1 /* 2 * MIPS emulation for QEMU - main translation routines 3 * 4 * Copyright (c) 2004-2005 Jocelyn Mayer 5 * Copyright (c) 2006 Marius Groeger (FPU operations) 6 * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support) 7 * Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support) 8 * Copyright (c) 2012 Jia Liu & Dongxue Zhang (MIPS ASE DSP support) 9 * Copyright (c) 2020 Philippe Mathieu-Daudé 10 * 11 * This library is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU Lesser General Public 13 * License as published by the Free Software Foundation; either 14 * version 2.1 of the License, or (at your option) any later version. 15 * 16 * This library is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 * Lesser General Public License for more details. 20 * 21 * You should have received a copy of the GNU Lesser General Public 22 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 23 */ 24 25 #include "qemu/osdep.h" 26 #include "cpu.h" 27 #include "internal.h" 28 #include "tcg/tcg-op.h" 29 #include "exec/translator.h" 30 #include "exec/helper-proto.h" 31 #include "exec/helper-gen.h" 32 #include "semihosting/semihost.h" 33 34 #include "trace.h" 35 #include "exec/translator.h" 36 #include "exec/log.h" 37 #include "qemu/qemu-print.h" 38 #include "fpu_helper.h" 39 #include "translate.h" 40 41 /* 42 * Many sysemu-only helpers are not reachable for user-only. 43 * Define stub generators here, so that we need not either sprinkle 44 * ifdefs through the translator, nor provide the helper function. 45 */ 46 #define STUB_HELPER(NAME, ...) \ 47 static inline void gen_helper_##NAME(__VA_ARGS__) \ 48 { g_assert_not_reached(); } 49 50 #ifdef CONFIG_USER_ONLY 51 STUB_HELPER(cache, TCGv_env env, TCGv val, TCGv_i32 reg) 52 #endif 53 54 enum { 55 /* indirect opcode tables */ 56 OPC_SPECIAL = (0x00 << 26), 57 OPC_REGIMM = (0x01 << 26), 58 OPC_CP0 = (0x10 << 26), 59 OPC_CP2 = (0x12 << 26), 60 OPC_CP3 = (0x13 << 26), 61 OPC_SPECIAL2 = (0x1C << 26), 62 OPC_SPECIAL3 = (0x1F << 26), 63 /* arithmetic with immediate */ 64 OPC_ADDI = (0x08 << 26), 65 OPC_ADDIU = (0x09 << 26), 66 OPC_SLTI = (0x0A << 26), 67 OPC_SLTIU = (0x0B << 26), 68 /* logic with immediate */ 69 OPC_ANDI = (0x0C << 26), 70 OPC_ORI = (0x0D << 26), 71 OPC_XORI = (0x0E << 26), 72 OPC_LUI = (0x0F << 26), 73 /* arithmetic with immediate */ 74 OPC_DADDI = (0x18 << 26), 75 OPC_DADDIU = (0x19 << 26), 76 /* Jump and branches */ 77 OPC_J = (0x02 << 26), 78 OPC_JAL = (0x03 << 26), 79 OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */ 80 OPC_BEQL = (0x14 << 26), 81 OPC_BNE = (0x05 << 26), 82 OPC_BNEL = (0x15 << 26), 83 OPC_BLEZ = (0x06 << 26), 84 OPC_BLEZL = (0x16 << 26), 85 OPC_BGTZ = (0x07 << 26), 86 OPC_BGTZL = (0x17 << 26), 87 OPC_JALX = (0x1D << 26), 88 OPC_DAUI = (0x1D << 26), 89 /* Load and stores */ 90 OPC_LDL = (0x1A << 26), 91 OPC_LDR = (0x1B << 26), 92 OPC_LB = (0x20 << 26), 93 OPC_LH = (0x21 << 26), 94 OPC_LWL = (0x22 << 26), 95 OPC_LW = (0x23 << 26), 96 OPC_LWPC = OPC_LW | 0x5, 97 OPC_LBU = (0x24 << 26), 98 OPC_LHU = (0x25 << 26), 99 OPC_LWR = (0x26 << 26), 100 OPC_LWU = (0x27 << 26), 101 OPC_SB = (0x28 << 26), 102 OPC_SH = (0x29 << 26), 103 OPC_SWL = (0x2A << 26), 104 OPC_SW = (0x2B << 26), 105 OPC_SDL = (0x2C << 26), 106 OPC_SDR = (0x2D << 26), 107 OPC_SWR = (0x2E << 26), 108 OPC_LL = (0x30 << 26), 109 OPC_LLD = (0x34 << 26), 110 OPC_LD = (0x37 << 26), 111 OPC_LDPC = OPC_LD | 0x5, 112 OPC_SC = (0x38 << 26), 113 OPC_SCD = (0x3C << 26), 114 OPC_SD = (0x3F << 26), 115 /* Floating point load/store */ 116 OPC_LWC1 = (0x31 << 26), 117 OPC_LWC2 = (0x32 << 26), 118 OPC_LDC1 = (0x35 << 26), 119 OPC_LDC2 = (0x36 << 26), 120 OPC_SWC1 = (0x39 << 26), 121 OPC_SWC2 = (0x3A << 26), 122 OPC_SDC1 = (0x3D << 26), 123 OPC_SDC2 = (0x3E << 26), 124 /* Compact Branches */ 125 OPC_BLEZALC = (0x06 << 26), 126 OPC_BGEZALC = (0x06 << 26), 127 OPC_BGEUC = (0x06 << 26), 128 OPC_BGTZALC = (0x07 << 26), 129 OPC_BLTZALC = (0x07 << 26), 130 OPC_BLTUC = (0x07 << 26), 131 OPC_BOVC = (0x08 << 26), 132 OPC_BEQZALC = (0x08 << 26), 133 OPC_BEQC = (0x08 << 26), 134 OPC_BLEZC = (0x16 << 26), 135 OPC_BGEZC = (0x16 << 26), 136 OPC_BGEC = (0x16 << 26), 137 OPC_BGTZC = (0x17 << 26), 138 OPC_BLTZC = (0x17 << 26), 139 OPC_BLTC = (0x17 << 26), 140 OPC_BNVC = (0x18 << 26), 141 OPC_BNEZALC = (0x18 << 26), 142 OPC_BNEC = (0x18 << 26), 143 OPC_BC = (0x32 << 26), 144 OPC_BEQZC = (0x36 << 26), 145 OPC_JIC = (0x36 << 26), 146 OPC_BALC = (0x3A << 26), 147 OPC_BNEZC = (0x3E << 26), 148 OPC_JIALC = (0x3E << 26), 149 /* MDMX ASE specific */ 150 OPC_MDMX = (0x1E << 26), 151 /* Cache and prefetch */ 152 OPC_CACHE = (0x2F << 26), 153 OPC_PREF = (0x33 << 26), 154 /* PC-relative address computation / loads */ 155 OPC_PCREL = (0x3B << 26), 156 }; 157 158 /* PC-relative address computation / loads */ 159 #define MASK_OPC_PCREL_TOP2BITS(op) (MASK_OP_MAJOR(op) | (op & (3 << 19))) 160 #define MASK_OPC_PCREL_TOP5BITS(op) (MASK_OP_MAJOR(op) | (op & (0x1f << 16))) 161 enum { 162 /* Instructions determined by bits 19 and 20 */ 163 OPC_ADDIUPC = OPC_PCREL | (0 << 19), 164 R6_OPC_LWPC = OPC_PCREL | (1 << 19), 165 OPC_LWUPC = OPC_PCREL | (2 << 19), 166 167 /* Instructions determined by bits 16 ... 20 */ 168 OPC_AUIPC = OPC_PCREL | (0x1e << 16), 169 OPC_ALUIPC = OPC_PCREL | (0x1f << 16), 170 171 /* Other */ 172 R6_OPC_LDPC = OPC_PCREL | (6 << 18), 173 }; 174 175 /* MIPS special opcodes */ 176 #define MASK_SPECIAL(op) (MASK_OP_MAJOR(op) | (op & 0x3F)) 177 178 enum { 179 /* Shifts */ 180 OPC_SLL = 0x00 | OPC_SPECIAL, 181 /* NOP is SLL r0, r0, 0 */ 182 /* SSNOP is SLL r0, r0, 1 */ 183 /* EHB is SLL r0, r0, 3 */ 184 OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */ 185 OPC_ROTR = OPC_SRL | (1 << 21), 186 OPC_SRA = 0x03 | OPC_SPECIAL, 187 OPC_SLLV = 0x04 | OPC_SPECIAL, 188 OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */ 189 OPC_ROTRV = OPC_SRLV | (1 << 6), 190 OPC_SRAV = 0x07 | OPC_SPECIAL, 191 OPC_DSLLV = 0x14 | OPC_SPECIAL, 192 OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */ 193 OPC_DROTRV = OPC_DSRLV | (1 << 6), 194 OPC_DSRAV = 0x17 | OPC_SPECIAL, 195 OPC_DSLL = 0x38 | OPC_SPECIAL, 196 OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */ 197 OPC_DROTR = OPC_DSRL | (1 << 21), 198 OPC_DSRA = 0x3B | OPC_SPECIAL, 199 OPC_DSLL32 = 0x3C | OPC_SPECIAL, 200 OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */ 201 OPC_DROTR32 = OPC_DSRL32 | (1 << 21), 202 OPC_DSRA32 = 0x3F | OPC_SPECIAL, 203 /* Multiplication / division */ 204 OPC_MULT = 0x18 | OPC_SPECIAL, 205 OPC_MULTU = 0x19 | OPC_SPECIAL, 206 OPC_DIV = 0x1A | OPC_SPECIAL, 207 OPC_DIVU = 0x1B | OPC_SPECIAL, 208 OPC_DMULT = 0x1C | OPC_SPECIAL, 209 OPC_DMULTU = 0x1D | OPC_SPECIAL, 210 OPC_DDIV = 0x1E | OPC_SPECIAL, 211 OPC_DDIVU = 0x1F | OPC_SPECIAL, 212 213 /* 2 registers arithmetic / logic */ 214 OPC_ADD = 0x20 | OPC_SPECIAL, 215 OPC_ADDU = 0x21 | OPC_SPECIAL, 216 OPC_SUB = 0x22 | OPC_SPECIAL, 217 OPC_SUBU = 0x23 | OPC_SPECIAL, 218 OPC_AND = 0x24 | OPC_SPECIAL, 219 OPC_OR = 0x25 | OPC_SPECIAL, 220 OPC_XOR = 0x26 | OPC_SPECIAL, 221 OPC_NOR = 0x27 | OPC_SPECIAL, 222 OPC_SLT = 0x2A | OPC_SPECIAL, 223 OPC_SLTU = 0x2B | OPC_SPECIAL, 224 OPC_DADD = 0x2C | OPC_SPECIAL, 225 OPC_DADDU = 0x2D | OPC_SPECIAL, 226 OPC_DSUB = 0x2E | OPC_SPECIAL, 227 OPC_DSUBU = 0x2F | OPC_SPECIAL, 228 /* Jumps */ 229 OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */ 230 OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */ 231 /* Traps */ 232 OPC_TGE = 0x30 | OPC_SPECIAL, 233 OPC_TGEU = 0x31 | OPC_SPECIAL, 234 OPC_TLT = 0x32 | OPC_SPECIAL, 235 OPC_TLTU = 0x33 | OPC_SPECIAL, 236 OPC_TEQ = 0x34 | OPC_SPECIAL, 237 OPC_TNE = 0x36 | OPC_SPECIAL, 238 /* HI / LO registers load & stores */ 239 OPC_MFHI = 0x10 | OPC_SPECIAL, 240 OPC_MTHI = 0x11 | OPC_SPECIAL, 241 OPC_MFLO = 0x12 | OPC_SPECIAL, 242 OPC_MTLO = 0x13 | OPC_SPECIAL, 243 /* Conditional moves */ 244 OPC_MOVZ = 0x0A | OPC_SPECIAL, 245 OPC_MOVN = 0x0B | OPC_SPECIAL, 246 247 OPC_SELEQZ = 0x35 | OPC_SPECIAL, 248 OPC_SELNEZ = 0x37 | OPC_SPECIAL, 249 250 OPC_MOVCI = 0x01 | OPC_SPECIAL, 251 252 /* Special */ 253 OPC_PMON = 0x05 | OPC_SPECIAL, /* unofficial */ 254 OPC_SYSCALL = 0x0C | OPC_SPECIAL, 255 OPC_BREAK = 0x0D | OPC_SPECIAL, 256 OPC_SPIM = 0x0E | OPC_SPECIAL, /* unofficial */ 257 OPC_SYNC = 0x0F | OPC_SPECIAL, 258 259 OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL, 260 OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL, 261 OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL, 262 OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL, 263 }; 264 265 /* 266 * R6 Multiply and Divide instructions have the same opcode 267 * and function field as legacy OPC_MULT[U]/OPC_DIV[U] 268 */ 269 #define MASK_R6_MULDIV(op) (MASK_SPECIAL(op) | (op & (0x7ff))) 270 271 enum { 272 R6_OPC_MUL = OPC_MULT | (2 << 6), 273 R6_OPC_MUH = OPC_MULT | (3 << 6), 274 R6_OPC_MULU = OPC_MULTU | (2 << 6), 275 R6_OPC_MUHU = OPC_MULTU | (3 << 6), 276 R6_OPC_DIV = OPC_DIV | (2 << 6), 277 R6_OPC_MOD = OPC_DIV | (3 << 6), 278 R6_OPC_DIVU = OPC_DIVU | (2 << 6), 279 R6_OPC_MODU = OPC_DIVU | (3 << 6), 280 281 R6_OPC_DMUL = OPC_DMULT | (2 << 6), 282 R6_OPC_DMUH = OPC_DMULT | (3 << 6), 283 R6_OPC_DMULU = OPC_DMULTU | (2 << 6), 284 R6_OPC_DMUHU = OPC_DMULTU | (3 << 6), 285 R6_OPC_DDIV = OPC_DDIV | (2 << 6), 286 R6_OPC_DMOD = OPC_DDIV | (3 << 6), 287 R6_OPC_DDIVU = OPC_DDIVU | (2 << 6), 288 R6_OPC_DMODU = OPC_DDIVU | (3 << 6), 289 290 R6_OPC_CLZ = 0x10 | OPC_SPECIAL, 291 R6_OPC_CLO = 0x11 | OPC_SPECIAL, 292 R6_OPC_DCLZ = 0x12 | OPC_SPECIAL, 293 R6_OPC_DCLO = 0x13 | OPC_SPECIAL, 294 R6_OPC_SDBBP = 0x0e | OPC_SPECIAL, 295 }; 296 297 /* REGIMM (rt field) opcodes */ 298 #define MASK_REGIMM(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 16))) 299 300 enum { 301 OPC_BLTZ = (0x00 << 16) | OPC_REGIMM, 302 OPC_BLTZL = (0x02 << 16) | OPC_REGIMM, 303 OPC_BGEZ = (0x01 << 16) | OPC_REGIMM, 304 OPC_BGEZL = (0x03 << 16) | OPC_REGIMM, 305 OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM, 306 OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM, 307 OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM, 308 OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM, 309 OPC_TGEI = (0x08 << 16) | OPC_REGIMM, 310 OPC_TGEIU = (0x09 << 16) | OPC_REGIMM, 311 OPC_TLTI = (0x0A << 16) | OPC_REGIMM, 312 OPC_TLTIU = (0x0B << 16) | OPC_REGIMM, 313 OPC_TEQI = (0x0C << 16) | OPC_REGIMM, 314 OPC_TNEI = (0x0E << 16) | OPC_REGIMM, 315 OPC_SIGRIE = (0x17 << 16) | OPC_REGIMM, 316 OPC_SYNCI = (0x1F << 16) | OPC_REGIMM, 317 318 OPC_DAHI = (0x06 << 16) | OPC_REGIMM, 319 OPC_DATI = (0x1e << 16) | OPC_REGIMM, 320 }; 321 322 /* Special2 opcodes */ 323 #define MASK_SPECIAL2(op) (MASK_OP_MAJOR(op) | (op & 0x3F)) 324 325 enum { 326 /* Multiply & xxx operations */ 327 OPC_MADD = 0x00 | OPC_SPECIAL2, 328 OPC_MADDU = 0x01 | OPC_SPECIAL2, 329 OPC_MUL = 0x02 | OPC_SPECIAL2, 330 OPC_MSUB = 0x04 | OPC_SPECIAL2, 331 OPC_MSUBU = 0x05 | OPC_SPECIAL2, 332 /* Loongson 2F */ 333 OPC_MULT_G_2F = 0x10 | OPC_SPECIAL2, 334 OPC_DMULT_G_2F = 0x11 | OPC_SPECIAL2, 335 OPC_MULTU_G_2F = 0x12 | OPC_SPECIAL2, 336 OPC_DMULTU_G_2F = 0x13 | OPC_SPECIAL2, 337 OPC_DIV_G_2F = 0x14 | OPC_SPECIAL2, 338 OPC_DDIV_G_2F = 0x15 | OPC_SPECIAL2, 339 OPC_DIVU_G_2F = 0x16 | OPC_SPECIAL2, 340 OPC_DDIVU_G_2F = 0x17 | OPC_SPECIAL2, 341 OPC_MOD_G_2F = 0x1c | OPC_SPECIAL2, 342 OPC_DMOD_G_2F = 0x1d | OPC_SPECIAL2, 343 OPC_MODU_G_2F = 0x1e | OPC_SPECIAL2, 344 OPC_DMODU_G_2F = 0x1f | OPC_SPECIAL2, 345 /* Misc */ 346 OPC_CLZ = 0x20 | OPC_SPECIAL2, 347 OPC_CLO = 0x21 | OPC_SPECIAL2, 348 OPC_DCLZ = 0x24 | OPC_SPECIAL2, 349 OPC_DCLO = 0x25 | OPC_SPECIAL2, 350 /* Special */ 351 OPC_SDBBP = 0x3F | OPC_SPECIAL2, 352 }; 353 354 /* Special3 opcodes */ 355 #define MASK_SPECIAL3(op) (MASK_OP_MAJOR(op) | (op & 0x3F)) 356 357 enum { 358 OPC_EXT = 0x00 | OPC_SPECIAL3, 359 OPC_DEXTM = 0x01 | OPC_SPECIAL3, 360 OPC_DEXTU = 0x02 | OPC_SPECIAL3, 361 OPC_DEXT = 0x03 | OPC_SPECIAL3, 362 OPC_INS = 0x04 | OPC_SPECIAL3, 363 OPC_DINSM = 0x05 | OPC_SPECIAL3, 364 OPC_DINSU = 0x06 | OPC_SPECIAL3, 365 OPC_DINS = 0x07 | OPC_SPECIAL3, 366 OPC_FORK = 0x08 | OPC_SPECIAL3, 367 OPC_YIELD = 0x09 | OPC_SPECIAL3, 368 OPC_BSHFL = 0x20 | OPC_SPECIAL3, 369 OPC_DBSHFL = 0x24 | OPC_SPECIAL3, 370 OPC_RDHWR = 0x3B | OPC_SPECIAL3, 371 OPC_GINV = 0x3D | OPC_SPECIAL3, 372 373 /* Loongson 2E */ 374 OPC_MULT_G_2E = 0x18 | OPC_SPECIAL3, 375 OPC_MULTU_G_2E = 0x19 | OPC_SPECIAL3, 376 OPC_DIV_G_2E = 0x1A | OPC_SPECIAL3, 377 OPC_DIVU_G_2E = 0x1B | OPC_SPECIAL3, 378 OPC_DMULT_G_2E = 0x1C | OPC_SPECIAL3, 379 OPC_DMULTU_G_2E = 0x1D | OPC_SPECIAL3, 380 OPC_DDIV_G_2E = 0x1E | OPC_SPECIAL3, 381 OPC_DDIVU_G_2E = 0x1F | OPC_SPECIAL3, 382 OPC_MOD_G_2E = 0x22 | OPC_SPECIAL3, 383 OPC_MODU_G_2E = 0x23 | OPC_SPECIAL3, 384 OPC_DMOD_G_2E = 0x26 | OPC_SPECIAL3, 385 OPC_DMODU_G_2E = 0x27 | OPC_SPECIAL3, 386 387 /* MIPS DSP Load */ 388 OPC_LX_DSP = 0x0A | OPC_SPECIAL3, 389 /* MIPS DSP Arithmetic */ 390 OPC_ADDU_QB_DSP = 0x10 | OPC_SPECIAL3, 391 OPC_ADDU_OB_DSP = 0x14 | OPC_SPECIAL3, 392 OPC_ABSQ_S_PH_DSP = 0x12 | OPC_SPECIAL3, 393 OPC_ABSQ_S_QH_DSP = 0x16 | OPC_SPECIAL3, 394 /* OPC_ADDUH_QB_DSP is same as OPC_MULT_G_2E. */ 395 /* OPC_ADDUH_QB_DSP = 0x18 | OPC_SPECIAL3, */ 396 OPC_CMPU_EQ_QB_DSP = 0x11 | OPC_SPECIAL3, 397 OPC_CMPU_EQ_OB_DSP = 0x15 | OPC_SPECIAL3, 398 /* MIPS DSP GPR-Based Shift Sub-class */ 399 OPC_SHLL_QB_DSP = 0x13 | OPC_SPECIAL3, 400 OPC_SHLL_OB_DSP = 0x17 | OPC_SPECIAL3, 401 /* MIPS DSP Multiply Sub-class insns */ 402 /* OPC_MUL_PH_DSP is same as OPC_ADDUH_QB_DSP. */ 403 /* OPC_MUL_PH_DSP = 0x18 | OPC_SPECIAL3, */ 404 OPC_DPA_W_PH_DSP = 0x30 | OPC_SPECIAL3, 405 OPC_DPAQ_W_QH_DSP = 0x34 | OPC_SPECIAL3, 406 /* DSP Bit/Manipulation Sub-class */ 407 OPC_INSV_DSP = 0x0C | OPC_SPECIAL3, 408 OPC_DINSV_DSP = 0x0D | OPC_SPECIAL3, 409 /* MIPS DSP Append Sub-class */ 410 OPC_APPEND_DSP = 0x31 | OPC_SPECIAL3, 411 OPC_DAPPEND_DSP = 0x35 | OPC_SPECIAL3, 412 /* MIPS DSP Accumulator and DSPControl Access Sub-class */ 413 OPC_EXTR_W_DSP = 0x38 | OPC_SPECIAL3, 414 OPC_DEXTR_W_DSP = 0x3C | OPC_SPECIAL3, 415 416 /* EVA */ 417 OPC_LWLE = 0x19 | OPC_SPECIAL3, 418 OPC_LWRE = 0x1A | OPC_SPECIAL3, 419 OPC_CACHEE = 0x1B | OPC_SPECIAL3, 420 OPC_SBE = 0x1C | OPC_SPECIAL3, 421 OPC_SHE = 0x1D | OPC_SPECIAL3, 422 OPC_SCE = 0x1E | OPC_SPECIAL3, 423 OPC_SWE = 0x1F | OPC_SPECIAL3, 424 OPC_SWLE = 0x21 | OPC_SPECIAL3, 425 OPC_SWRE = 0x22 | OPC_SPECIAL3, 426 OPC_PREFE = 0x23 | OPC_SPECIAL3, 427 OPC_LBUE = 0x28 | OPC_SPECIAL3, 428 OPC_LHUE = 0x29 | OPC_SPECIAL3, 429 OPC_LBE = 0x2C | OPC_SPECIAL3, 430 OPC_LHE = 0x2D | OPC_SPECIAL3, 431 OPC_LLE = 0x2E | OPC_SPECIAL3, 432 OPC_LWE = 0x2F | OPC_SPECIAL3, 433 434 /* R6 */ 435 R6_OPC_PREF = 0x35 | OPC_SPECIAL3, 436 R6_OPC_CACHE = 0x25 | OPC_SPECIAL3, 437 R6_OPC_LL = 0x36 | OPC_SPECIAL3, 438 R6_OPC_SC = 0x26 | OPC_SPECIAL3, 439 R6_OPC_LLD = 0x37 | OPC_SPECIAL3, 440 R6_OPC_SCD = 0x27 | OPC_SPECIAL3, 441 }; 442 443 /* Loongson EXT load/store quad word opcodes */ 444 #define MASK_LOONGSON_GSLSQ(op) (MASK_OP_MAJOR(op) | (op & 0x8020)) 445 enum { 446 OPC_GSLQ = 0x0020 | OPC_LWC2, 447 OPC_GSLQC1 = 0x8020 | OPC_LWC2, 448 OPC_GSSHFL = OPC_LWC2, 449 OPC_GSSQ = 0x0020 | OPC_SWC2, 450 OPC_GSSQC1 = 0x8020 | OPC_SWC2, 451 OPC_GSSHFS = OPC_SWC2, 452 }; 453 454 /* Loongson EXT shifted load/store opcodes */ 455 #define MASK_LOONGSON_GSSHFLS(op) (MASK_OP_MAJOR(op) | (op & 0xc03f)) 456 enum { 457 OPC_GSLWLC1 = 0x4 | OPC_GSSHFL, 458 OPC_GSLWRC1 = 0x5 | OPC_GSSHFL, 459 OPC_GSLDLC1 = 0x6 | OPC_GSSHFL, 460 OPC_GSLDRC1 = 0x7 | OPC_GSSHFL, 461 OPC_GSSWLC1 = 0x4 | OPC_GSSHFS, 462 OPC_GSSWRC1 = 0x5 | OPC_GSSHFS, 463 OPC_GSSDLC1 = 0x6 | OPC_GSSHFS, 464 OPC_GSSDRC1 = 0x7 | OPC_GSSHFS, 465 }; 466 467 /* Loongson EXT LDC2/SDC2 opcodes */ 468 #define MASK_LOONGSON_LSDC2(op) (MASK_OP_MAJOR(op) | (op & 0x7)) 469 470 enum { 471 OPC_GSLBX = 0x0 | OPC_LDC2, 472 OPC_GSLHX = 0x1 | OPC_LDC2, 473 OPC_GSLWX = 0x2 | OPC_LDC2, 474 OPC_GSLDX = 0x3 | OPC_LDC2, 475 OPC_GSLWXC1 = 0x6 | OPC_LDC2, 476 OPC_GSLDXC1 = 0x7 | OPC_LDC2, 477 OPC_GSSBX = 0x0 | OPC_SDC2, 478 OPC_GSSHX = 0x1 | OPC_SDC2, 479 OPC_GSSWX = 0x2 | OPC_SDC2, 480 OPC_GSSDX = 0x3 | OPC_SDC2, 481 OPC_GSSWXC1 = 0x6 | OPC_SDC2, 482 OPC_GSSDXC1 = 0x7 | OPC_SDC2, 483 }; 484 485 /* BSHFL opcodes */ 486 #define MASK_BSHFL(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 487 488 enum { 489 OPC_WSBH = (0x02 << 6) | OPC_BSHFL, 490 OPC_SEB = (0x10 << 6) | OPC_BSHFL, 491 OPC_SEH = (0x18 << 6) | OPC_BSHFL, 492 OPC_ALIGN = (0x08 << 6) | OPC_BSHFL, /* 010.bp (010.00 to 010.11) */ 493 OPC_ALIGN_1 = (0x09 << 6) | OPC_BSHFL, 494 OPC_ALIGN_2 = (0x0A << 6) | OPC_BSHFL, 495 OPC_ALIGN_3 = (0x0B << 6) | OPC_BSHFL, 496 OPC_BITSWAP = (0x00 << 6) | OPC_BSHFL /* 00000 */ 497 }; 498 499 /* DBSHFL opcodes */ 500 #define MASK_DBSHFL(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 501 502 enum { 503 OPC_DSBH = (0x02 << 6) | OPC_DBSHFL, 504 OPC_DSHD = (0x05 << 6) | OPC_DBSHFL, 505 OPC_DALIGN = (0x08 << 6) | OPC_DBSHFL, /* 01.bp (01.000 to 01.111) */ 506 OPC_DALIGN_1 = (0x09 << 6) | OPC_DBSHFL, 507 OPC_DALIGN_2 = (0x0A << 6) | OPC_DBSHFL, 508 OPC_DALIGN_3 = (0x0B << 6) | OPC_DBSHFL, 509 OPC_DALIGN_4 = (0x0C << 6) | OPC_DBSHFL, 510 OPC_DALIGN_5 = (0x0D << 6) | OPC_DBSHFL, 511 OPC_DALIGN_6 = (0x0E << 6) | OPC_DBSHFL, 512 OPC_DALIGN_7 = (0x0F << 6) | OPC_DBSHFL, 513 OPC_DBITSWAP = (0x00 << 6) | OPC_DBSHFL, /* 00000 */ 514 }; 515 516 /* MIPS DSP REGIMM opcodes */ 517 enum { 518 OPC_BPOSGE32 = (0x1C << 16) | OPC_REGIMM, 519 OPC_BPOSGE64 = (0x1D << 16) | OPC_REGIMM, 520 }; 521 522 #define MASK_LX(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 523 /* MIPS DSP Load */ 524 enum { 525 OPC_LBUX = (0x06 << 6) | OPC_LX_DSP, 526 OPC_LHX = (0x04 << 6) | OPC_LX_DSP, 527 OPC_LWX = (0x00 << 6) | OPC_LX_DSP, 528 OPC_LDX = (0x08 << 6) | OPC_LX_DSP, 529 }; 530 531 #define MASK_ADDU_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 532 enum { 533 /* MIPS DSP Arithmetic Sub-class */ 534 OPC_ADDQ_PH = (0x0A << 6) | OPC_ADDU_QB_DSP, 535 OPC_ADDQ_S_PH = (0x0E << 6) | OPC_ADDU_QB_DSP, 536 OPC_ADDQ_S_W = (0x16 << 6) | OPC_ADDU_QB_DSP, 537 OPC_ADDU_QB = (0x00 << 6) | OPC_ADDU_QB_DSP, 538 OPC_ADDU_S_QB = (0x04 << 6) | OPC_ADDU_QB_DSP, 539 OPC_ADDU_PH = (0x08 << 6) | OPC_ADDU_QB_DSP, 540 OPC_ADDU_S_PH = (0x0C << 6) | OPC_ADDU_QB_DSP, 541 OPC_SUBQ_PH = (0x0B << 6) | OPC_ADDU_QB_DSP, 542 OPC_SUBQ_S_PH = (0x0F << 6) | OPC_ADDU_QB_DSP, 543 OPC_SUBQ_S_W = (0x17 << 6) | OPC_ADDU_QB_DSP, 544 OPC_SUBU_QB = (0x01 << 6) | OPC_ADDU_QB_DSP, 545 OPC_SUBU_S_QB = (0x05 << 6) | OPC_ADDU_QB_DSP, 546 OPC_SUBU_PH = (0x09 << 6) | OPC_ADDU_QB_DSP, 547 OPC_SUBU_S_PH = (0x0D << 6) | OPC_ADDU_QB_DSP, 548 OPC_ADDSC = (0x10 << 6) | OPC_ADDU_QB_DSP, 549 OPC_ADDWC = (0x11 << 6) | OPC_ADDU_QB_DSP, 550 OPC_MODSUB = (0x12 << 6) | OPC_ADDU_QB_DSP, 551 OPC_RADDU_W_QB = (0x14 << 6) | OPC_ADDU_QB_DSP, 552 /* MIPS DSP Multiply Sub-class insns */ 553 OPC_MULEU_S_PH_QBL = (0x06 << 6) | OPC_ADDU_QB_DSP, 554 OPC_MULEU_S_PH_QBR = (0x07 << 6) | OPC_ADDU_QB_DSP, 555 OPC_MULQ_RS_PH = (0x1F << 6) | OPC_ADDU_QB_DSP, 556 OPC_MULEQ_S_W_PHL = (0x1C << 6) | OPC_ADDU_QB_DSP, 557 OPC_MULEQ_S_W_PHR = (0x1D << 6) | OPC_ADDU_QB_DSP, 558 OPC_MULQ_S_PH = (0x1E << 6) | OPC_ADDU_QB_DSP, 559 }; 560 561 #define OPC_ADDUH_QB_DSP OPC_MULT_G_2E 562 #define MASK_ADDUH_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 563 enum { 564 /* MIPS DSP Arithmetic Sub-class */ 565 OPC_ADDUH_QB = (0x00 << 6) | OPC_ADDUH_QB_DSP, 566 OPC_ADDUH_R_QB = (0x02 << 6) | OPC_ADDUH_QB_DSP, 567 OPC_ADDQH_PH = (0x08 << 6) | OPC_ADDUH_QB_DSP, 568 OPC_ADDQH_R_PH = (0x0A << 6) | OPC_ADDUH_QB_DSP, 569 OPC_ADDQH_W = (0x10 << 6) | OPC_ADDUH_QB_DSP, 570 OPC_ADDQH_R_W = (0x12 << 6) | OPC_ADDUH_QB_DSP, 571 OPC_SUBUH_QB = (0x01 << 6) | OPC_ADDUH_QB_DSP, 572 OPC_SUBUH_R_QB = (0x03 << 6) | OPC_ADDUH_QB_DSP, 573 OPC_SUBQH_PH = (0x09 << 6) | OPC_ADDUH_QB_DSP, 574 OPC_SUBQH_R_PH = (0x0B << 6) | OPC_ADDUH_QB_DSP, 575 OPC_SUBQH_W = (0x11 << 6) | OPC_ADDUH_QB_DSP, 576 OPC_SUBQH_R_W = (0x13 << 6) | OPC_ADDUH_QB_DSP, 577 /* MIPS DSP Multiply Sub-class insns */ 578 OPC_MUL_PH = (0x0C << 6) | OPC_ADDUH_QB_DSP, 579 OPC_MUL_S_PH = (0x0E << 6) | OPC_ADDUH_QB_DSP, 580 OPC_MULQ_S_W = (0x16 << 6) | OPC_ADDUH_QB_DSP, 581 OPC_MULQ_RS_W = (0x17 << 6) | OPC_ADDUH_QB_DSP, 582 }; 583 584 #define MASK_ABSQ_S_PH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 585 enum { 586 /* MIPS DSP Arithmetic Sub-class */ 587 OPC_ABSQ_S_QB = (0x01 << 6) | OPC_ABSQ_S_PH_DSP, 588 OPC_ABSQ_S_PH = (0x09 << 6) | OPC_ABSQ_S_PH_DSP, 589 OPC_ABSQ_S_W = (0x11 << 6) | OPC_ABSQ_S_PH_DSP, 590 OPC_PRECEQ_W_PHL = (0x0C << 6) | OPC_ABSQ_S_PH_DSP, 591 OPC_PRECEQ_W_PHR = (0x0D << 6) | OPC_ABSQ_S_PH_DSP, 592 OPC_PRECEQU_PH_QBL = (0x04 << 6) | OPC_ABSQ_S_PH_DSP, 593 OPC_PRECEQU_PH_QBR = (0x05 << 6) | OPC_ABSQ_S_PH_DSP, 594 OPC_PRECEQU_PH_QBLA = (0x06 << 6) | OPC_ABSQ_S_PH_DSP, 595 OPC_PRECEQU_PH_QBRA = (0x07 << 6) | OPC_ABSQ_S_PH_DSP, 596 OPC_PRECEU_PH_QBL = (0x1C << 6) | OPC_ABSQ_S_PH_DSP, 597 OPC_PRECEU_PH_QBR = (0x1D << 6) | OPC_ABSQ_S_PH_DSP, 598 OPC_PRECEU_PH_QBLA = (0x1E << 6) | OPC_ABSQ_S_PH_DSP, 599 OPC_PRECEU_PH_QBRA = (0x1F << 6) | OPC_ABSQ_S_PH_DSP, 600 /* DSP Bit/Manipulation Sub-class */ 601 OPC_BITREV = (0x1B << 6) | OPC_ABSQ_S_PH_DSP, 602 OPC_REPL_QB = (0x02 << 6) | OPC_ABSQ_S_PH_DSP, 603 OPC_REPLV_QB = (0x03 << 6) | OPC_ABSQ_S_PH_DSP, 604 OPC_REPL_PH = (0x0A << 6) | OPC_ABSQ_S_PH_DSP, 605 OPC_REPLV_PH = (0x0B << 6) | OPC_ABSQ_S_PH_DSP, 606 }; 607 608 #define MASK_CMPU_EQ_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 609 enum { 610 /* MIPS DSP Arithmetic Sub-class */ 611 OPC_PRECR_QB_PH = (0x0D << 6) | OPC_CMPU_EQ_QB_DSP, 612 OPC_PRECRQ_QB_PH = (0x0C << 6) | OPC_CMPU_EQ_QB_DSP, 613 OPC_PRECR_SRA_PH_W = (0x1E << 6) | OPC_CMPU_EQ_QB_DSP, 614 OPC_PRECR_SRA_R_PH_W = (0x1F << 6) | OPC_CMPU_EQ_QB_DSP, 615 OPC_PRECRQ_PH_W = (0x14 << 6) | OPC_CMPU_EQ_QB_DSP, 616 OPC_PRECRQ_RS_PH_W = (0x15 << 6) | OPC_CMPU_EQ_QB_DSP, 617 OPC_PRECRQU_S_QB_PH = (0x0F << 6) | OPC_CMPU_EQ_QB_DSP, 618 /* DSP Compare-Pick Sub-class */ 619 OPC_CMPU_EQ_QB = (0x00 << 6) | OPC_CMPU_EQ_QB_DSP, 620 OPC_CMPU_LT_QB = (0x01 << 6) | OPC_CMPU_EQ_QB_DSP, 621 OPC_CMPU_LE_QB = (0x02 << 6) | OPC_CMPU_EQ_QB_DSP, 622 OPC_CMPGU_EQ_QB = (0x04 << 6) | OPC_CMPU_EQ_QB_DSP, 623 OPC_CMPGU_LT_QB = (0x05 << 6) | OPC_CMPU_EQ_QB_DSP, 624 OPC_CMPGU_LE_QB = (0x06 << 6) | OPC_CMPU_EQ_QB_DSP, 625 OPC_CMPGDU_EQ_QB = (0x18 << 6) | OPC_CMPU_EQ_QB_DSP, 626 OPC_CMPGDU_LT_QB = (0x19 << 6) | OPC_CMPU_EQ_QB_DSP, 627 OPC_CMPGDU_LE_QB = (0x1A << 6) | OPC_CMPU_EQ_QB_DSP, 628 OPC_CMP_EQ_PH = (0x08 << 6) | OPC_CMPU_EQ_QB_DSP, 629 OPC_CMP_LT_PH = (0x09 << 6) | OPC_CMPU_EQ_QB_DSP, 630 OPC_CMP_LE_PH = (0x0A << 6) | OPC_CMPU_EQ_QB_DSP, 631 OPC_PICK_QB = (0x03 << 6) | OPC_CMPU_EQ_QB_DSP, 632 OPC_PICK_PH = (0x0B << 6) | OPC_CMPU_EQ_QB_DSP, 633 OPC_PACKRL_PH = (0x0E << 6) | OPC_CMPU_EQ_QB_DSP, 634 }; 635 636 #define MASK_SHLL_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 637 enum { 638 /* MIPS DSP GPR-Based Shift Sub-class */ 639 OPC_SHLL_QB = (0x00 << 6) | OPC_SHLL_QB_DSP, 640 OPC_SHLLV_QB = (0x02 << 6) | OPC_SHLL_QB_DSP, 641 OPC_SHLL_PH = (0x08 << 6) | OPC_SHLL_QB_DSP, 642 OPC_SHLLV_PH = (0x0A << 6) | OPC_SHLL_QB_DSP, 643 OPC_SHLL_S_PH = (0x0C << 6) | OPC_SHLL_QB_DSP, 644 OPC_SHLLV_S_PH = (0x0E << 6) | OPC_SHLL_QB_DSP, 645 OPC_SHLL_S_W = (0x14 << 6) | OPC_SHLL_QB_DSP, 646 OPC_SHLLV_S_W = (0x16 << 6) | OPC_SHLL_QB_DSP, 647 OPC_SHRL_QB = (0x01 << 6) | OPC_SHLL_QB_DSP, 648 OPC_SHRLV_QB = (0x03 << 6) | OPC_SHLL_QB_DSP, 649 OPC_SHRL_PH = (0x19 << 6) | OPC_SHLL_QB_DSP, 650 OPC_SHRLV_PH = (0x1B << 6) | OPC_SHLL_QB_DSP, 651 OPC_SHRA_QB = (0x04 << 6) | OPC_SHLL_QB_DSP, 652 OPC_SHRA_R_QB = (0x05 << 6) | OPC_SHLL_QB_DSP, 653 OPC_SHRAV_QB = (0x06 << 6) | OPC_SHLL_QB_DSP, 654 OPC_SHRAV_R_QB = (0x07 << 6) | OPC_SHLL_QB_DSP, 655 OPC_SHRA_PH = (0x09 << 6) | OPC_SHLL_QB_DSP, 656 OPC_SHRAV_PH = (0x0B << 6) | OPC_SHLL_QB_DSP, 657 OPC_SHRA_R_PH = (0x0D << 6) | OPC_SHLL_QB_DSP, 658 OPC_SHRAV_R_PH = (0x0F << 6) | OPC_SHLL_QB_DSP, 659 OPC_SHRA_R_W = (0x15 << 6) | OPC_SHLL_QB_DSP, 660 OPC_SHRAV_R_W = (0x17 << 6) | OPC_SHLL_QB_DSP, 661 }; 662 663 #define MASK_DPA_W_PH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 664 enum { 665 /* MIPS DSP Multiply Sub-class insns */ 666 OPC_DPAU_H_QBL = (0x03 << 6) | OPC_DPA_W_PH_DSP, 667 OPC_DPAU_H_QBR = (0x07 << 6) | OPC_DPA_W_PH_DSP, 668 OPC_DPSU_H_QBL = (0x0B << 6) | OPC_DPA_W_PH_DSP, 669 OPC_DPSU_H_QBR = (0x0F << 6) | OPC_DPA_W_PH_DSP, 670 OPC_DPA_W_PH = (0x00 << 6) | OPC_DPA_W_PH_DSP, 671 OPC_DPAX_W_PH = (0x08 << 6) | OPC_DPA_W_PH_DSP, 672 OPC_DPAQ_S_W_PH = (0x04 << 6) | OPC_DPA_W_PH_DSP, 673 OPC_DPAQX_S_W_PH = (0x18 << 6) | OPC_DPA_W_PH_DSP, 674 OPC_DPAQX_SA_W_PH = (0x1A << 6) | OPC_DPA_W_PH_DSP, 675 OPC_DPS_W_PH = (0x01 << 6) | OPC_DPA_W_PH_DSP, 676 OPC_DPSX_W_PH = (0x09 << 6) | OPC_DPA_W_PH_DSP, 677 OPC_DPSQ_S_W_PH = (0x05 << 6) | OPC_DPA_W_PH_DSP, 678 OPC_DPSQX_S_W_PH = (0x19 << 6) | OPC_DPA_W_PH_DSP, 679 OPC_DPSQX_SA_W_PH = (0x1B << 6) | OPC_DPA_W_PH_DSP, 680 OPC_MULSAQ_S_W_PH = (0x06 << 6) | OPC_DPA_W_PH_DSP, 681 OPC_DPAQ_SA_L_W = (0x0C << 6) | OPC_DPA_W_PH_DSP, 682 OPC_DPSQ_SA_L_W = (0x0D << 6) | OPC_DPA_W_PH_DSP, 683 OPC_MAQ_S_W_PHL = (0x14 << 6) | OPC_DPA_W_PH_DSP, 684 OPC_MAQ_S_W_PHR = (0x16 << 6) | OPC_DPA_W_PH_DSP, 685 OPC_MAQ_SA_W_PHL = (0x10 << 6) | OPC_DPA_W_PH_DSP, 686 OPC_MAQ_SA_W_PHR = (0x12 << 6) | OPC_DPA_W_PH_DSP, 687 OPC_MULSA_W_PH = (0x02 << 6) | OPC_DPA_W_PH_DSP, 688 }; 689 690 #define MASK_INSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 691 enum { 692 /* DSP Bit/Manipulation Sub-class */ 693 OPC_INSV = (0x00 << 6) | OPC_INSV_DSP, 694 }; 695 696 #define MASK_APPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 697 enum { 698 /* MIPS DSP Append Sub-class */ 699 OPC_APPEND = (0x00 << 6) | OPC_APPEND_DSP, 700 OPC_PREPEND = (0x01 << 6) | OPC_APPEND_DSP, 701 OPC_BALIGN = (0x10 << 6) | OPC_APPEND_DSP, 702 }; 703 704 #define MASK_EXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 705 enum { 706 /* MIPS DSP Accumulator and DSPControl Access Sub-class */ 707 OPC_EXTR_W = (0x00 << 6) | OPC_EXTR_W_DSP, 708 OPC_EXTR_R_W = (0x04 << 6) | OPC_EXTR_W_DSP, 709 OPC_EXTR_RS_W = (0x06 << 6) | OPC_EXTR_W_DSP, 710 OPC_EXTR_S_H = (0x0E << 6) | OPC_EXTR_W_DSP, 711 OPC_EXTRV_S_H = (0x0F << 6) | OPC_EXTR_W_DSP, 712 OPC_EXTRV_W = (0x01 << 6) | OPC_EXTR_W_DSP, 713 OPC_EXTRV_R_W = (0x05 << 6) | OPC_EXTR_W_DSP, 714 OPC_EXTRV_RS_W = (0x07 << 6) | OPC_EXTR_W_DSP, 715 OPC_EXTP = (0x02 << 6) | OPC_EXTR_W_DSP, 716 OPC_EXTPV = (0x03 << 6) | OPC_EXTR_W_DSP, 717 OPC_EXTPDP = (0x0A << 6) | OPC_EXTR_W_DSP, 718 OPC_EXTPDPV = (0x0B << 6) | OPC_EXTR_W_DSP, 719 OPC_SHILO = (0x1A << 6) | OPC_EXTR_W_DSP, 720 OPC_SHILOV = (0x1B << 6) | OPC_EXTR_W_DSP, 721 OPC_MTHLIP = (0x1F << 6) | OPC_EXTR_W_DSP, 722 OPC_WRDSP = (0x13 << 6) | OPC_EXTR_W_DSP, 723 OPC_RDDSP = (0x12 << 6) | OPC_EXTR_W_DSP, 724 }; 725 726 #define MASK_ABSQ_S_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 727 enum { 728 /* MIPS DSP Arithmetic Sub-class */ 729 OPC_PRECEQ_L_PWL = (0x14 << 6) | OPC_ABSQ_S_QH_DSP, 730 OPC_PRECEQ_L_PWR = (0x15 << 6) | OPC_ABSQ_S_QH_DSP, 731 OPC_PRECEQ_PW_QHL = (0x0C << 6) | OPC_ABSQ_S_QH_DSP, 732 OPC_PRECEQ_PW_QHR = (0x0D << 6) | OPC_ABSQ_S_QH_DSP, 733 OPC_PRECEQ_PW_QHLA = (0x0E << 6) | OPC_ABSQ_S_QH_DSP, 734 OPC_PRECEQ_PW_QHRA = (0x0F << 6) | OPC_ABSQ_S_QH_DSP, 735 OPC_PRECEQU_QH_OBL = (0x04 << 6) | OPC_ABSQ_S_QH_DSP, 736 OPC_PRECEQU_QH_OBR = (0x05 << 6) | OPC_ABSQ_S_QH_DSP, 737 OPC_PRECEQU_QH_OBLA = (0x06 << 6) | OPC_ABSQ_S_QH_DSP, 738 OPC_PRECEQU_QH_OBRA = (0x07 << 6) | OPC_ABSQ_S_QH_DSP, 739 OPC_PRECEU_QH_OBL = (0x1C << 6) | OPC_ABSQ_S_QH_DSP, 740 OPC_PRECEU_QH_OBR = (0x1D << 6) | OPC_ABSQ_S_QH_DSP, 741 OPC_PRECEU_QH_OBLA = (0x1E << 6) | OPC_ABSQ_S_QH_DSP, 742 OPC_PRECEU_QH_OBRA = (0x1F << 6) | OPC_ABSQ_S_QH_DSP, 743 OPC_ABSQ_S_OB = (0x01 << 6) | OPC_ABSQ_S_QH_DSP, 744 OPC_ABSQ_S_PW = (0x11 << 6) | OPC_ABSQ_S_QH_DSP, 745 OPC_ABSQ_S_QH = (0x09 << 6) | OPC_ABSQ_S_QH_DSP, 746 /* DSP Bit/Manipulation Sub-class */ 747 OPC_REPL_OB = (0x02 << 6) | OPC_ABSQ_S_QH_DSP, 748 OPC_REPL_PW = (0x12 << 6) | OPC_ABSQ_S_QH_DSP, 749 OPC_REPL_QH = (0x0A << 6) | OPC_ABSQ_S_QH_DSP, 750 OPC_REPLV_OB = (0x03 << 6) | OPC_ABSQ_S_QH_DSP, 751 OPC_REPLV_PW = (0x13 << 6) | OPC_ABSQ_S_QH_DSP, 752 OPC_REPLV_QH = (0x0B << 6) | OPC_ABSQ_S_QH_DSP, 753 }; 754 755 #define MASK_ADDU_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 756 enum { 757 /* MIPS DSP Multiply Sub-class insns */ 758 OPC_MULEQ_S_PW_QHL = (0x1C << 6) | OPC_ADDU_OB_DSP, 759 OPC_MULEQ_S_PW_QHR = (0x1D << 6) | OPC_ADDU_OB_DSP, 760 OPC_MULEU_S_QH_OBL = (0x06 << 6) | OPC_ADDU_OB_DSP, 761 OPC_MULEU_S_QH_OBR = (0x07 << 6) | OPC_ADDU_OB_DSP, 762 OPC_MULQ_RS_QH = (0x1F << 6) | OPC_ADDU_OB_DSP, 763 /* MIPS DSP Arithmetic Sub-class */ 764 OPC_RADDU_L_OB = (0x14 << 6) | OPC_ADDU_OB_DSP, 765 OPC_SUBQ_PW = (0x13 << 6) | OPC_ADDU_OB_DSP, 766 OPC_SUBQ_S_PW = (0x17 << 6) | OPC_ADDU_OB_DSP, 767 OPC_SUBQ_QH = (0x0B << 6) | OPC_ADDU_OB_DSP, 768 OPC_SUBQ_S_QH = (0x0F << 6) | OPC_ADDU_OB_DSP, 769 OPC_SUBU_OB = (0x01 << 6) | OPC_ADDU_OB_DSP, 770 OPC_SUBU_S_OB = (0x05 << 6) | OPC_ADDU_OB_DSP, 771 OPC_SUBU_QH = (0x09 << 6) | OPC_ADDU_OB_DSP, 772 OPC_SUBU_S_QH = (0x0D << 6) | OPC_ADDU_OB_DSP, 773 OPC_SUBUH_OB = (0x19 << 6) | OPC_ADDU_OB_DSP, 774 OPC_SUBUH_R_OB = (0x1B << 6) | OPC_ADDU_OB_DSP, 775 OPC_ADDQ_PW = (0x12 << 6) | OPC_ADDU_OB_DSP, 776 OPC_ADDQ_S_PW = (0x16 << 6) | OPC_ADDU_OB_DSP, 777 OPC_ADDQ_QH = (0x0A << 6) | OPC_ADDU_OB_DSP, 778 OPC_ADDQ_S_QH = (0x0E << 6) | OPC_ADDU_OB_DSP, 779 OPC_ADDU_OB = (0x00 << 6) | OPC_ADDU_OB_DSP, 780 OPC_ADDU_S_OB = (0x04 << 6) | OPC_ADDU_OB_DSP, 781 OPC_ADDU_QH = (0x08 << 6) | OPC_ADDU_OB_DSP, 782 OPC_ADDU_S_QH = (0x0C << 6) | OPC_ADDU_OB_DSP, 783 OPC_ADDUH_OB = (0x18 << 6) | OPC_ADDU_OB_DSP, 784 OPC_ADDUH_R_OB = (0x1A << 6) | OPC_ADDU_OB_DSP, 785 }; 786 787 #define MASK_CMPU_EQ_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 788 enum { 789 /* DSP Compare-Pick Sub-class */ 790 OPC_CMP_EQ_PW = (0x10 << 6) | OPC_CMPU_EQ_OB_DSP, 791 OPC_CMP_LT_PW = (0x11 << 6) | OPC_CMPU_EQ_OB_DSP, 792 OPC_CMP_LE_PW = (0x12 << 6) | OPC_CMPU_EQ_OB_DSP, 793 OPC_CMP_EQ_QH = (0x08 << 6) | OPC_CMPU_EQ_OB_DSP, 794 OPC_CMP_LT_QH = (0x09 << 6) | OPC_CMPU_EQ_OB_DSP, 795 OPC_CMP_LE_QH = (0x0A << 6) | OPC_CMPU_EQ_OB_DSP, 796 OPC_CMPGDU_EQ_OB = (0x18 << 6) | OPC_CMPU_EQ_OB_DSP, 797 OPC_CMPGDU_LT_OB = (0x19 << 6) | OPC_CMPU_EQ_OB_DSP, 798 OPC_CMPGDU_LE_OB = (0x1A << 6) | OPC_CMPU_EQ_OB_DSP, 799 OPC_CMPGU_EQ_OB = (0x04 << 6) | OPC_CMPU_EQ_OB_DSP, 800 OPC_CMPGU_LT_OB = (0x05 << 6) | OPC_CMPU_EQ_OB_DSP, 801 OPC_CMPGU_LE_OB = (0x06 << 6) | OPC_CMPU_EQ_OB_DSP, 802 OPC_CMPU_EQ_OB = (0x00 << 6) | OPC_CMPU_EQ_OB_DSP, 803 OPC_CMPU_LT_OB = (0x01 << 6) | OPC_CMPU_EQ_OB_DSP, 804 OPC_CMPU_LE_OB = (0x02 << 6) | OPC_CMPU_EQ_OB_DSP, 805 OPC_PACKRL_PW = (0x0E << 6) | OPC_CMPU_EQ_OB_DSP, 806 OPC_PICK_OB = (0x03 << 6) | OPC_CMPU_EQ_OB_DSP, 807 OPC_PICK_PW = (0x13 << 6) | OPC_CMPU_EQ_OB_DSP, 808 OPC_PICK_QH = (0x0B << 6) | OPC_CMPU_EQ_OB_DSP, 809 /* MIPS DSP Arithmetic Sub-class */ 810 OPC_PRECR_OB_QH = (0x0D << 6) | OPC_CMPU_EQ_OB_DSP, 811 OPC_PRECR_SRA_QH_PW = (0x1E << 6) | OPC_CMPU_EQ_OB_DSP, 812 OPC_PRECR_SRA_R_QH_PW = (0x1F << 6) | OPC_CMPU_EQ_OB_DSP, 813 OPC_PRECRQ_OB_QH = (0x0C << 6) | OPC_CMPU_EQ_OB_DSP, 814 OPC_PRECRQ_PW_L = (0x1C << 6) | OPC_CMPU_EQ_OB_DSP, 815 OPC_PRECRQ_QH_PW = (0x14 << 6) | OPC_CMPU_EQ_OB_DSP, 816 OPC_PRECRQ_RS_QH_PW = (0x15 << 6) | OPC_CMPU_EQ_OB_DSP, 817 OPC_PRECRQU_S_OB_QH = (0x0F << 6) | OPC_CMPU_EQ_OB_DSP, 818 }; 819 820 #define MASK_DAPPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 821 enum { 822 /* DSP Append Sub-class */ 823 OPC_DAPPEND = (0x00 << 6) | OPC_DAPPEND_DSP, 824 OPC_PREPENDD = (0x03 << 6) | OPC_DAPPEND_DSP, 825 OPC_PREPENDW = (0x01 << 6) | OPC_DAPPEND_DSP, 826 OPC_DBALIGN = (0x10 << 6) | OPC_DAPPEND_DSP, 827 }; 828 829 #define MASK_DEXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 830 enum { 831 /* MIPS DSP Accumulator and DSPControl Access Sub-class */ 832 OPC_DMTHLIP = (0x1F << 6) | OPC_DEXTR_W_DSP, 833 OPC_DSHILO = (0x1A << 6) | OPC_DEXTR_W_DSP, 834 OPC_DEXTP = (0x02 << 6) | OPC_DEXTR_W_DSP, 835 OPC_DEXTPDP = (0x0A << 6) | OPC_DEXTR_W_DSP, 836 OPC_DEXTPDPV = (0x0B << 6) | OPC_DEXTR_W_DSP, 837 OPC_DEXTPV = (0x03 << 6) | OPC_DEXTR_W_DSP, 838 OPC_DEXTR_L = (0x10 << 6) | OPC_DEXTR_W_DSP, 839 OPC_DEXTR_R_L = (0x14 << 6) | OPC_DEXTR_W_DSP, 840 OPC_DEXTR_RS_L = (0x16 << 6) | OPC_DEXTR_W_DSP, 841 OPC_DEXTR_W = (0x00 << 6) | OPC_DEXTR_W_DSP, 842 OPC_DEXTR_R_W = (0x04 << 6) | OPC_DEXTR_W_DSP, 843 OPC_DEXTR_RS_W = (0x06 << 6) | OPC_DEXTR_W_DSP, 844 OPC_DEXTR_S_H = (0x0E << 6) | OPC_DEXTR_W_DSP, 845 OPC_DEXTRV_L = (0x11 << 6) | OPC_DEXTR_W_DSP, 846 OPC_DEXTRV_R_L = (0x15 << 6) | OPC_DEXTR_W_DSP, 847 OPC_DEXTRV_RS_L = (0x17 << 6) | OPC_DEXTR_W_DSP, 848 OPC_DEXTRV_S_H = (0x0F << 6) | OPC_DEXTR_W_DSP, 849 OPC_DEXTRV_W = (0x01 << 6) | OPC_DEXTR_W_DSP, 850 OPC_DEXTRV_R_W = (0x05 << 6) | OPC_DEXTR_W_DSP, 851 OPC_DEXTRV_RS_W = (0x07 << 6) | OPC_DEXTR_W_DSP, 852 OPC_DSHILOV = (0x1B << 6) | OPC_DEXTR_W_DSP, 853 }; 854 855 #define MASK_DINSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 856 enum { 857 /* DSP Bit/Manipulation Sub-class */ 858 OPC_DINSV = (0x00 << 6) | OPC_DINSV_DSP, 859 }; 860 861 #define MASK_DPAQ_W_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 862 enum { 863 /* MIPS DSP Multiply Sub-class insns */ 864 OPC_DMADD = (0x19 << 6) | OPC_DPAQ_W_QH_DSP, 865 OPC_DMADDU = (0x1D << 6) | OPC_DPAQ_W_QH_DSP, 866 OPC_DMSUB = (0x1B << 6) | OPC_DPAQ_W_QH_DSP, 867 OPC_DMSUBU = (0x1F << 6) | OPC_DPAQ_W_QH_DSP, 868 OPC_DPA_W_QH = (0x00 << 6) | OPC_DPAQ_W_QH_DSP, 869 OPC_DPAQ_S_W_QH = (0x04 << 6) | OPC_DPAQ_W_QH_DSP, 870 OPC_DPAQ_SA_L_PW = (0x0C << 6) | OPC_DPAQ_W_QH_DSP, 871 OPC_DPAU_H_OBL = (0x03 << 6) | OPC_DPAQ_W_QH_DSP, 872 OPC_DPAU_H_OBR = (0x07 << 6) | OPC_DPAQ_W_QH_DSP, 873 OPC_DPS_W_QH = (0x01 << 6) | OPC_DPAQ_W_QH_DSP, 874 OPC_DPSQ_S_W_QH = (0x05 << 6) | OPC_DPAQ_W_QH_DSP, 875 OPC_DPSQ_SA_L_PW = (0x0D << 6) | OPC_DPAQ_W_QH_DSP, 876 OPC_DPSU_H_OBL = (0x0B << 6) | OPC_DPAQ_W_QH_DSP, 877 OPC_DPSU_H_OBR = (0x0F << 6) | OPC_DPAQ_W_QH_DSP, 878 OPC_MAQ_S_L_PWL = (0x1C << 6) | OPC_DPAQ_W_QH_DSP, 879 OPC_MAQ_S_L_PWR = (0x1E << 6) | OPC_DPAQ_W_QH_DSP, 880 OPC_MAQ_S_W_QHLL = (0x14 << 6) | OPC_DPAQ_W_QH_DSP, 881 OPC_MAQ_SA_W_QHLL = (0x10 << 6) | OPC_DPAQ_W_QH_DSP, 882 OPC_MAQ_S_W_QHLR = (0x15 << 6) | OPC_DPAQ_W_QH_DSP, 883 OPC_MAQ_SA_W_QHLR = (0x11 << 6) | OPC_DPAQ_W_QH_DSP, 884 OPC_MAQ_S_W_QHRL = (0x16 << 6) | OPC_DPAQ_W_QH_DSP, 885 OPC_MAQ_SA_W_QHRL = (0x12 << 6) | OPC_DPAQ_W_QH_DSP, 886 OPC_MAQ_S_W_QHRR = (0x17 << 6) | OPC_DPAQ_W_QH_DSP, 887 OPC_MAQ_SA_W_QHRR = (0x13 << 6) | OPC_DPAQ_W_QH_DSP, 888 OPC_MULSAQ_S_L_PW = (0x0E << 6) | OPC_DPAQ_W_QH_DSP, 889 OPC_MULSAQ_S_W_QH = (0x06 << 6) | OPC_DPAQ_W_QH_DSP, 890 }; 891 892 #define MASK_SHLL_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 893 enum { 894 /* MIPS DSP GPR-Based Shift Sub-class */ 895 OPC_SHLL_PW = (0x10 << 6) | OPC_SHLL_OB_DSP, 896 OPC_SHLL_S_PW = (0x14 << 6) | OPC_SHLL_OB_DSP, 897 OPC_SHLLV_OB = (0x02 << 6) | OPC_SHLL_OB_DSP, 898 OPC_SHLLV_PW = (0x12 << 6) | OPC_SHLL_OB_DSP, 899 OPC_SHLLV_S_PW = (0x16 << 6) | OPC_SHLL_OB_DSP, 900 OPC_SHLLV_QH = (0x0A << 6) | OPC_SHLL_OB_DSP, 901 OPC_SHLLV_S_QH = (0x0E << 6) | OPC_SHLL_OB_DSP, 902 OPC_SHRA_PW = (0x11 << 6) | OPC_SHLL_OB_DSP, 903 OPC_SHRA_R_PW = (0x15 << 6) | OPC_SHLL_OB_DSP, 904 OPC_SHRAV_OB = (0x06 << 6) | OPC_SHLL_OB_DSP, 905 OPC_SHRAV_R_OB = (0x07 << 6) | OPC_SHLL_OB_DSP, 906 OPC_SHRAV_PW = (0x13 << 6) | OPC_SHLL_OB_DSP, 907 OPC_SHRAV_R_PW = (0x17 << 6) | OPC_SHLL_OB_DSP, 908 OPC_SHRAV_QH = (0x0B << 6) | OPC_SHLL_OB_DSP, 909 OPC_SHRAV_R_QH = (0x0F << 6) | OPC_SHLL_OB_DSP, 910 OPC_SHRLV_OB = (0x03 << 6) | OPC_SHLL_OB_DSP, 911 OPC_SHRLV_QH = (0x1B << 6) | OPC_SHLL_OB_DSP, 912 OPC_SHLL_OB = (0x00 << 6) | OPC_SHLL_OB_DSP, 913 OPC_SHLL_QH = (0x08 << 6) | OPC_SHLL_OB_DSP, 914 OPC_SHLL_S_QH = (0x0C << 6) | OPC_SHLL_OB_DSP, 915 OPC_SHRA_OB = (0x04 << 6) | OPC_SHLL_OB_DSP, 916 OPC_SHRA_R_OB = (0x05 << 6) | OPC_SHLL_OB_DSP, 917 OPC_SHRA_QH = (0x09 << 6) | OPC_SHLL_OB_DSP, 918 OPC_SHRA_R_QH = (0x0D << 6) | OPC_SHLL_OB_DSP, 919 OPC_SHRL_OB = (0x01 << 6) | OPC_SHLL_OB_DSP, 920 OPC_SHRL_QH = (0x19 << 6) | OPC_SHLL_OB_DSP, 921 }; 922 923 /* Coprocessor 0 (rs field) */ 924 #define MASK_CP0(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21))) 925 926 enum { 927 OPC_MFC0 = (0x00 << 21) | OPC_CP0, 928 OPC_DMFC0 = (0x01 << 21) | OPC_CP0, 929 OPC_MFHC0 = (0x02 << 21) | OPC_CP0, 930 OPC_MTC0 = (0x04 << 21) | OPC_CP0, 931 OPC_DMTC0 = (0x05 << 21) | OPC_CP0, 932 OPC_MTHC0 = (0x06 << 21) | OPC_CP0, 933 OPC_MFTR = (0x08 << 21) | OPC_CP0, 934 OPC_RDPGPR = (0x0A << 21) | OPC_CP0, 935 OPC_MFMC0 = (0x0B << 21) | OPC_CP0, 936 OPC_MTTR = (0x0C << 21) | OPC_CP0, 937 OPC_WRPGPR = (0x0E << 21) | OPC_CP0, 938 OPC_C0 = (0x10 << 21) | OPC_CP0, 939 OPC_C0_1 = (0x11 << 21) | OPC_CP0, 940 OPC_C0_2 = (0x12 << 21) | OPC_CP0, 941 OPC_C0_3 = (0x13 << 21) | OPC_CP0, 942 OPC_C0_4 = (0x14 << 21) | OPC_CP0, 943 OPC_C0_5 = (0x15 << 21) | OPC_CP0, 944 OPC_C0_6 = (0x16 << 21) | OPC_CP0, 945 OPC_C0_7 = (0x17 << 21) | OPC_CP0, 946 OPC_C0_8 = (0x18 << 21) | OPC_CP0, 947 OPC_C0_9 = (0x19 << 21) | OPC_CP0, 948 OPC_C0_A = (0x1A << 21) | OPC_CP0, 949 OPC_C0_B = (0x1B << 21) | OPC_CP0, 950 OPC_C0_C = (0x1C << 21) | OPC_CP0, 951 OPC_C0_D = (0x1D << 21) | OPC_CP0, 952 OPC_C0_E = (0x1E << 21) | OPC_CP0, 953 OPC_C0_F = (0x1F << 21) | OPC_CP0, 954 }; 955 956 /* MFMC0 opcodes */ 957 #define MASK_MFMC0(op) (MASK_CP0(op) | (op & 0xFFFF)) 958 959 enum { 960 OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, 961 OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, 962 OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0, 963 OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0, 964 OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0, 965 OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0, 966 OPC_DVP = 0x04 | (0 << 3) | (1 << 5) | (0 << 11) | OPC_MFMC0, 967 OPC_EVP = 0x04 | (0 << 3) | (0 << 5) | (0 << 11) | OPC_MFMC0, 968 }; 969 970 /* Coprocessor 0 (with rs == C0) */ 971 #define MASK_C0(op) (MASK_CP0(op) | (op & 0x3F)) 972 973 enum { 974 OPC_TLBR = 0x01 | OPC_C0, 975 OPC_TLBWI = 0x02 | OPC_C0, 976 OPC_TLBINV = 0x03 | OPC_C0, 977 OPC_TLBINVF = 0x04 | OPC_C0, 978 OPC_TLBWR = 0x06 | OPC_C0, 979 OPC_TLBP = 0x08 | OPC_C0, 980 OPC_RFE = 0x10 | OPC_C0, 981 OPC_ERET = 0x18 | OPC_C0, 982 OPC_DERET = 0x1F | OPC_C0, 983 OPC_WAIT = 0x20 | OPC_C0, 984 }; 985 986 #define MASK_CP2(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21))) 987 988 enum { 989 OPC_MFC2 = (0x00 << 21) | OPC_CP2, 990 OPC_DMFC2 = (0x01 << 21) | OPC_CP2, 991 OPC_CFC2 = (0x02 << 21) | OPC_CP2, 992 OPC_MFHC2 = (0x03 << 21) | OPC_CP2, 993 OPC_MTC2 = (0x04 << 21) | OPC_CP2, 994 OPC_DMTC2 = (0x05 << 21) | OPC_CP2, 995 OPC_CTC2 = (0x06 << 21) | OPC_CP2, 996 OPC_MTHC2 = (0x07 << 21) | OPC_CP2, 997 OPC_BC2 = (0x08 << 21) | OPC_CP2, 998 OPC_BC2EQZ = (0x09 << 21) | OPC_CP2, 999 OPC_BC2NEZ = (0x0D << 21) | OPC_CP2, 1000 }; 1001 1002 #define MASK_LMMI(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)) | (op & 0x1F)) 1003 1004 enum { 1005 OPC_PADDSH = (24 << 21) | (0x00) | OPC_CP2, 1006 OPC_PADDUSH = (25 << 21) | (0x00) | OPC_CP2, 1007 OPC_PADDH = (26 << 21) | (0x00) | OPC_CP2, 1008 OPC_PADDW = (27 << 21) | (0x00) | OPC_CP2, 1009 OPC_PADDSB = (28 << 21) | (0x00) | OPC_CP2, 1010 OPC_PADDUSB = (29 << 21) | (0x00) | OPC_CP2, 1011 OPC_PADDB = (30 << 21) | (0x00) | OPC_CP2, 1012 OPC_PADDD = (31 << 21) | (0x00) | OPC_CP2, 1013 1014 OPC_PSUBSH = (24 << 21) | (0x01) | OPC_CP2, 1015 OPC_PSUBUSH = (25 << 21) | (0x01) | OPC_CP2, 1016 OPC_PSUBH = (26 << 21) | (0x01) | OPC_CP2, 1017 OPC_PSUBW = (27 << 21) | (0x01) | OPC_CP2, 1018 OPC_PSUBSB = (28 << 21) | (0x01) | OPC_CP2, 1019 OPC_PSUBUSB = (29 << 21) | (0x01) | OPC_CP2, 1020 OPC_PSUBB = (30 << 21) | (0x01) | OPC_CP2, 1021 OPC_PSUBD = (31 << 21) | (0x01) | OPC_CP2, 1022 1023 OPC_PSHUFH = (24 << 21) | (0x02) | OPC_CP2, 1024 OPC_PACKSSWH = (25 << 21) | (0x02) | OPC_CP2, 1025 OPC_PACKSSHB = (26 << 21) | (0x02) | OPC_CP2, 1026 OPC_PACKUSHB = (27 << 21) | (0x02) | OPC_CP2, 1027 OPC_XOR_CP2 = (28 << 21) | (0x02) | OPC_CP2, 1028 OPC_NOR_CP2 = (29 << 21) | (0x02) | OPC_CP2, 1029 OPC_AND_CP2 = (30 << 21) | (0x02) | OPC_CP2, 1030 OPC_PANDN = (31 << 21) | (0x02) | OPC_CP2, 1031 1032 OPC_PUNPCKLHW = (24 << 21) | (0x03) | OPC_CP2, 1033 OPC_PUNPCKHHW = (25 << 21) | (0x03) | OPC_CP2, 1034 OPC_PUNPCKLBH = (26 << 21) | (0x03) | OPC_CP2, 1035 OPC_PUNPCKHBH = (27 << 21) | (0x03) | OPC_CP2, 1036 OPC_PINSRH_0 = (28 << 21) | (0x03) | OPC_CP2, 1037 OPC_PINSRH_1 = (29 << 21) | (0x03) | OPC_CP2, 1038 OPC_PINSRH_2 = (30 << 21) | (0x03) | OPC_CP2, 1039 OPC_PINSRH_3 = (31 << 21) | (0x03) | OPC_CP2, 1040 1041 OPC_PAVGH = (24 << 21) | (0x08) | OPC_CP2, 1042 OPC_PAVGB = (25 << 21) | (0x08) | OPC_CP2, 1043 OPC_PMAXSH = (26 << 21) | (0x08) | OPC_CP2, 1044 OPC_PMINSH = (27 << 21) | (0x08) | OPC_CP2, 1045 OPC_PMAXUB = (28 << 21) | (0x08) | OPC_CP2, 1046 OPC_PMINUB = (29 << 21) | (0x08) | OPC_CP2, 1047 1048 OPC_PCMPEQW = (24 << 21) | (0x09) | OPC_CP2, 1049 OPC_PCMPGTW = (25 << 21) | (0x09) | OPC_CP2, 1050 OPC_PCMPEQH = (26 << 21) | (0x09) | OPC_CP2, 1051 OPC_PCMPGTH = (27 << 21) | (0x09) | OPC_CP2, 1052 OPC_PCMPEQB = (28 << 21) | (0x09) | OPC_CP2, 1053 OPC_PCMPGTB = (29 << 21) | (0x09) | OPC_CP2, 1054 1055 OPC_PSLLW = (24 << 21) | (0x0A) | OPC_CP2, 1056 OPC_PSLLH = (25 << 21) | (0x0A) | OPC_CP2, 1057 OPC_PMULLH = (26 << 21) | (0x0A) | OPC_CP2, 1058 OPC_PMULHH = (27 << 21) | (0x0A) | OPC_CP2, 1059 OPC_PMULUW = (28 << 21) | (0x0A) | OPC_CP2, 1060 OPC_PMULHUH = (29 << 21) | (0x0A) | OPC_CP2, 1061 1062 OPC_PSRLW = (24 << 21) | (0x0B) | OPC_CP2, 1063 OPC_PSRLH = (25 << 21) | (0x0B) | OPC_CP2, 1064 OPC_PSRAW = (26 << 21) | (0x0B) | OPC_CP2, 1065 OPC_PSRAH = (27 << 21) | (0x0B) | OPC_CP2, 1066 OPC_PUNPCKLWD = (28 << 21) | (0x0B) | OPC_CP2, 1067 OPC_PUNPCKHWD = (29 << 21) | (0x0B) | OPC_CP2, 1068 1069 OPC_ADDU_CP2 = (24 << 21) | (0x0C) | OPC_CP2, 1070 OPC_OR_CP2 = (25 << 21) | (0x0C) | OPC_CP2, 1071 OPC_ADD_CP2 = (26 << 21) | (0x0C) | OPC_CP2, 1072 OPC_DADD_CP2 = (27 << 21) | (0x0C) | OPC_CP2, 1073 OPC_SEQU_CP2 = (28 << 21) | (0x0C) | OPC_CP2, 1074 OPC_SEQ_CP2 = (29 << 21) | (0x0C) | OPC_CP2, 1075 1076 OPC_SUBU_CP2 = (24 << 21) | (0x0D) | OPC_CP2, 1077 OPC_PASUBUB = (25 << 21) | (0x0D) | OPC_CP2, 1078 OPC_SUB_CP2 = (26 << 21) | (0x0D) | OPC_CP2, 1079 OPC_DSUB_CP2 = (27 << 21) | (0x0D) | OPC_CP2, 1080 OPC_SLTU_CP2 = (28 << 21) | (0x0D) | OPC_CP2, 1081 OPC_SLT_CP2 = (29 << 21) | (0x0D) | OPC_CP2, 1082 1083 OPC_SLL_CP2 = (24 << 21) | (0x0E) | OPC_CP2, 1084 OPC_DSLL_CP2 = (25 << 21) | (0x0E) | OPC_CP2, 1085 OPC_PEXTRH = (26 << 21) | (0x0E) | OPC_CP2, 1086 OPC_PMADDHW = (27 << 21) | (0x0E) | OPC_CP2, 1087 OPC_SLEU_CP2 = (28 << 21) | (0x0E) | OPC_CP2, 1088 OPC_SLE_CP2 = (29 << 21) | (0x0E) | OPC_CP2, 1089 1090 OPC_SRL_CP2 = (24 << 21) | (0x0F) | OPC_CP2, 1091 OPC_DSRL_CP2 = (25 << 21) | (0x0F) | OPC_CP2, 1092 OPC_SRA_CP2 = (26 << 21) | (0x0F) | OPC_CP2, 1093 OPC_DSRA_CP2 = (27 << 21) | (0x0F) | OPC_CP2, 1094 OPC_BIADD = (28 << 21) | (0x0F) | OPC_CP2, 1095 OPC_PMOVMSKB = (29 << 21) | (0x0F) | OPC_CP2, 1096 }; 1097 1098 1099 #define MASK_CP3(op) (MASK_OP_MAJOR(op) | (op & 0x3F)) 1100 1101 enum { 1102 OPC_LWXC1 = 0x00 | OPC_CP3, 1103 OPC_LDXC1 = 0x01 | OPC_CP3, 1104 OPC_LUXC1 = 0x05 | OPC_CP3, 1105 OPC_SWXC1 = 0x08 | OPC_CP3, 1106 OPC_SDXC1 = 0x09 | OPC_CP3, 1107 OPC_SUXC1 = 0x0D | OPC_CP3, 1108 OPC_PREFX = 0x0F | OPC_CP3, 1109 OPC_ALNV_PS = 0x1E | OPC_CP3, 1110 OPC_MADD_S = 0x20 | OPC_CP3, 1111 OPC_MADD_D = 0x21 | OPC_CP3, 1112 OPC_MADD_PS = 0x26 | OPC_CP3, 1113 OPC_MSUB_S = 0x28 | OPC_CP3, 1114 OPC_MSUB_D = 0x29 | OPC_CP3, 1115 OPC_MSUB_PS = 0x2E | OPC_CP3, 1116 OPC_NMADD_S = 0x30 | OPC_CP3, 1117 OPC_NMADD_D = 0x31 | OPC_CP3, 1118 OPC_NMADD_PS = 0x36 | OPC_CP3, 1119 OPC_NMSUB_S = 0x38 | OPC_CP3, 1120 OPC_NMSUB_D = 0x39 | OPC_CP3, 1121 OPC_NMSUB_PS = 0x3E | OPC_CP3, 1122 }; 1123 1124 /* 1125 * MMI (MultiMedia Instruction) encodings 1126 * ====================================== 1127 * 1128 * MMI instructions encoding table keys: 1129 * 1130 * * This code is reserved for future use. An attempt to execute it 1131 * causes a Reserved Instruction exception. 1132 * % This code indicates an instruction class. The instruction word 1133 * must be further decoded by examining additional tables that show 1134 * the values for other instruction fields. 1135 * # This code is reserved for the unsupported instructions DMULT, 1136 * DMULTU, DDIV, DDIVU, LL, LLD, SC, SCD, LWC2 and SWC2. An attempt 1137 * to execute it causes a Reserved Instruction exception. 1138 * 1139 * MMI instructions encoded by opcode field (MMI, LQ, SQ): 1140 * 1141 * 31 26 0 1142 * +--------+----------------------------------------+ 1143 * | opcode | | 1144 * +--------+----------------------------------------+ 1145 * 1146 * opcode bits 28..26 1147 * bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 1148 * 31..29 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 1149 * -------+-------+-------+-------+-------+-------+-------+-------+------- 1150 * 0 000 |SPECIAL| REGIMM| J | JAL | BEQ | BNE | BLEZ | BGTZ 1151 * 1 001 | ADDI | ADDIU | SLTI | SLTIU | ANDI | ORI | XORI | LUI 1152 * 2 010 | COP0 | COP1 | * | * | BEQL | BNEL | BLEZL | BGTZL 1153 * 3 011 | DADDI | DADDIU| LDL | LDR | MMI% | * | LQ | SQ 1154 * 4 100 | LB | LH | LWL | LW | LBU | LHU | LWR | LWU 1155 * 5 101 | SB | SH | SWL | SW | SDL | SDR | SWR | CACHE 1156 * 6 110 | # | LWC1 | # | PREF | # | LDC1 | # | LD 1157 * 7 111 | # | SWC1 | # | * | # | SDC1 | # | SD 1158 */ 1159 1160 enum { 1161 MMI_OPC_CLASS_MMI = 0x1C << 26, /* Same as OPC_SPECIAL2 */ 1162 MMI_OPC_SQ = 0x1F << 26, /* Same as OPC_SPECIAL3 */ 1163 }; 1164 1165 /* 1166 * MMI instructions with opcode field = MMI: 1167 * 1168 * 31 26 5 0 1169 * +--------+-------------------------------+--------+ 1170 * | MMI | |function| 1171 * +--------+-------------------------------+--------+ 1172 * 1173 * function bits 2..0 1174 * bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 1175 * 5..3 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 1176 * -------+-------+-------+-------+-------+-------+-------+-------+------- 1177 * 0 000 | MADD | MADDU | * | * | PLZCW | * | * | * 1178 * 1 001 | MMI0% | MMI2% | * | * | * | * | * | * 1179 * 2 010 | MFHI1 | MTHI1 | MFLO1 | MTLO1 | * | * | * | * 1180 * 3 011 | MULT1 | MULTU1| DIV1 | DIVU1 | * | * | * | * 1181 * 4 100 | MADD1 | MADDU1| * | * | * | * | * | * 1182 * 5 101 | MMI1% | MMI3% | * | * | * | * | * | * 1183 * 6 110 | PMFHL | PMTHL | * | * | PSLLH | * | PSRLH | PSRAH 1184 * 7 111 | * | * | * | * | PSLLW | * | PSRLW | PSRAW 1185 */ 1186 1187 #define MASK_MMI(op) (MASK_OP_MAJOR(op) | ((op) & 0x3F)) 1188 enum { 1189 MMI_OPC_MADD = 0x00 | MMI_OPC_CLASS_MMI, /* Same as OPC_MADD */ 1190 MMI_OPC_MADDU = 0x01 | MMI_OPC_CLASS_MMI, /* Same as OPC_MADDU */ 1191 MMI_OPC_MULT1 = 0x18 | MMI_OPC_CLASS_MMI, /* Same minor as OPC_MULT */ 1192 MMI_OPC_MULTU1 = 0x19 | MMI_OPC_CLASS_MMI, /* Same min. as OPC_MULTU */ 1193 MMI_OPC_DIV1 = 0x1A | MMI_OPC_CLASS_MMI, /* Same minor as OPC_DIV */ 1194 MMI_OPC_DIVU1 = 0x1B | MMI_OPC_CLASS_MMI, /* Same minor as OPC_DIVU */ 1195 MMI_OPC_MADD1 = 0x20 | MMI_OPC_CLASS_MMI, 1196 MMI_OPC_MADDU1 = 0x21 | MMI_OPC_CLASS_MMI, 1197 }; 1198 1199 /* global register indices */ 1200 TCGv cpu_gpr[32], cpu_PC; 1201 /* 1202 * For CPUs using 128-bit GPR registers, we put the lower halves in cpu_gpr[]) 1203 * and the upper halves in cpu_gpr_hi[]. 1204 */ 1205 TCGv_i64 cpu_gpr_hi[32]; 1206 TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC]; 1207 static TCGv cpu_dspctrl, btarget; 1208 TCGv bcond; 1209 static TCGv cpu_lladdr, cpu_llval; 1210 static TCGv_i32 hflags; 1211 TCGv_i32 fpu_fcr0, fpu_fcr31; 1212 TCGv_i64 fpu_f64[32]; 1213 1214 #include "exec/gen-icount.h" 1215 1216 #define DISAS_STOP DISAS_TARGET_0 1217 #define DISAS_EXIT DISAS_TARGET_1 1218 1219 static const char regnames_HI[][4] = { 1220 "HI0", "HI1", "HI2", "HI3", 1221 }; 1222 1223 static const char regnames_LO[][4] = { 1224 "LO0", "LO1", "LO2", "LO3", 1225 }; 1226 1227 /* General purpose registers moves. */ 1228 void gen_load_gpr(TCGv t, int reg) 1229 { 1230 if (reg == 0) { 1231 tcg_gen_movi_tl(t, 0); 1232 } else { 1233 tcg_gen_mov_tl(t, cpu_gpr[reg]); 1234 } 1235 } 1236 1237 void gen_store_gpr(TCGv t, int reg) 1238 { 1239 if (reg != 0) { 1240 tcg_gen_mov_tl(cpu_gpr[reg], t); 1241 } 1242 } 1243 1244 #if defined(TARGET_MIPS64) 1245 void gen_load_gpr_hi(TCGv_i64 t, int reg) 1246 { 1247 if (reg == 0) { 1248 tcg_gen_movi_i64(t, 0); 1249 } else { 1250 tcg_gen_mov_i64(t, cpu_gpr_hi[reg]); 1251 } 1252 } 1253 1254 void gen_store_gpr_hi(TCGv_i64 t, int reg) 1255 { 1256 if (reg != 0) { 1257 tcg_gen_mov_i64(cpu_gpr_hi[reg], t); 1258 } 1259 } 1260 #endif /* TARGET_MIPS64 */ 1261 1262 /* Moves to/from shadow registers. */ 1263 static inline void gen_load_srsgpr(int from, int to) 1264 { 1265 TCGv t0 = tcg_temp_new(); 1266 1267 if (from == 0) { 1268 tcg_gen_movi_tl(t0, 0); 1269 } else { 1270 TCGv_i32 t2 = tcg_temp_new_i32(); 1271 TCGv_ptr addr = tcg_temp_new_ptr(); 1272 1273 tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUMIPSState, CP0_SRSCtl)); 1274 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); 1275 tcg_gen_andi_i32(t2, t2, 0xf); 1276 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); 1277 tcg_gen_ext_i32_ptr(addr, t2); 1278 tcg_gen_add_ptr(addr, cpu_env, addr); 1279 1280 tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from); 1281 tcg_temp_free_ptr(addr); 1282 tcg_temp_free_i32(t2); 1283 } 1284 gen_store_gpr(t0, to); 1285 tcg_temp_free(t0); 1286 } 1287 1288 static inline void gen_store_srsgpr(int from, int to) 1289 { 1290 if (to != 0) { 1291 TCGv t0 = tcg_temp_new(); 1292 TCGv_i32 t2 = tcg_temp_new_i32(); 1293 TCGv_ptr addr = tcg_temp_new_ptr(); 1294 1295 gen_load_gpr(t0, from); 1296 tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUMIPSState, CP0_SRSCtl)); 1297 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); 1298 tcg_gen_andi_i32(t2, t2, 0xf); 1299 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); 1300 tcg_gen_ext_i32_ptr(addr, t2); 1301 tcg_gen_add_ptr(addr, cpu_env, addr); 1302 1303 tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to); 1304 tcg_temp_free_ptr(addr); 1305 tcg_temp_free_i32(t2); 1306 tcg_temp_free(t0); 1307 } 1308 } 1309 1310 /* Tests */ 1311 static inline void gen_save_pc(target_ulong pc) 1312 { 1313 tcg_gen_movi_tl(cpu_PC, pc); 1314 } 1315 1316 static inline void save_cpu_state(DisasContext *ctx, int do_save_pc) 1317 { 1318 LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags); 1319 if (do_save_pc && ctx->base.pc_next != ctx->saved_pc) { 1320 gen_save_pc(ctx->base.pc_next); 1321 ctx->saved_pc = ctx->base.pc_next; 1322 } 1323 if (ctx->hflags != ctx->saved_hflags) { 1324 tcg_gen_movi_i32(hflags, ctx->hflags); 1325 ctx->saved_hflags = ctx->hflags; 1326 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) { 1327 case MIPS_HFLAG_BR: 1328 break; 1329 case MIPS_HFLAG_BC: 1330 case MIPS_HFLAG_BL: 1331 case MIPS_HFLAG_B: 1332 tcg_gen_movi_tl(btarget, ctx->btarget); 1333 break; 1334 } 1335 } 1336 } 1337 1338 static inline void restore_cpu_state(CPUMIPSState *env, DisasContext *ctx) 1339 { 1340 ctx->saved_hflags = ctx->hflags; 1341 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) { 1342 case MIPS_HFLAG_BR: 1343 break; 1344 case MIPS_HFLAG_BC: 1345 case MIPS_HFLAG_BL: 1346 case MIPS_HFLAG_B: 1347 ctx->btarget = env->btarget; 1348 break; 1349 } 1350 } 1351 1352 void generate_exception_err(DisasContext *ctx, int excp, int err) 1353 { 1354 save_cpu_state(ctx, 1); 1355 gen_helper_raise_exception_err(cpu_env, tcg_constant_i32(excp), 1356 tcg_constant_i32(err)); 1357 ctx->base.is_jmp = DISAS_NORETURN; 1358 } 1359 1360 void generate_exception(DisasContext *ctx, int excp) 1361 { 1362 gen_helper_raise_exception(cpu_env, tcg_constant_i32(excp)); 1363 } 1364 1365 void generate_exception_end(DisasContext *ctx, int excp) 1366 { 1367 generate_exception_err(ctx, excp, 0); 1368 } 1369 1370 void gen_reserved_instruction(DisasContext *ctx) 1371 { 1372 generate_exception_end(ctx, EXCP_RI); 1373 } 1374 1375 /* Floating point register moves. */ 1376 void gen_load_fpr32(DisasContext *ctx, TCGv_i32 t, int reg) 1377 { 1378 if (ctx->hflags & MIPS_HFLAG_FRE) { 1379 generate_exception(ctx, EXCP_RI); 1380 } 1381 tcg_gen_extrl_i64_i32(t, fpu_f64[reg]); 1382 } 1383 1384 void gen_store_fpr32(DisasContext *ctx, TCGv_i32 t, int reg) 1385 { 1386 TCGv_i64 t64; 1387 if (ctx->hflags & MIPS_HFLAG_FRE) { 1388 generate_exception(ctx, EXCP_RI); 1389 } 1390 t64 = tcg_temp_new_i64(); 1391 tcg_gen_extu_i32_i64(t64, t); 1392 tcg_gen_deposit_i64(fpu_f64[reg], fpu_f64[reg], t64, 0, 32); 1393 tcg_temp_free_i64(t64); 1394 } 1395 1396 static void gen_load_fpr32h(DisasContext *ctx, TCGv_i32 t, int reg) 1397 { 1398 if (ctx->hflags & MIPS_HFLAG_F64) { 1399 tcg_gen_extrh_i64_i32(t, fpu_f64[reg]); 1400 } else { 1401 gen_load_fpr32(ctx, t, reg | 1); 1402 } 1403 } 1404 1405 static void gen_store_fpr32h(DisasContext *ctx, TCGv_i32 t, int reg) 1406 { 1407 if (ctx->hflags & MIPS_HFLAG_F64) { 1408 TCGv_i64 t64 = tcg_temp_new_i64(); 1409 tcg_gen_extu_i32_i64(t64, t); 1410 tcg_gen_deposit_i64(fpu_f64[reg], fpu_f64[reg], t64, 32, 32); 1411 tcg_temp_free_i64(t64); 1412 } else { 1413 gen_store_fpr32(ctx, t, reg | 1); 1414 } 1415 } 1416 1417 void gen_load_fpr64(DisasContext *ctx, TCGv_i64 t, int reg) 1418 { 1419 if (ctx->hflags & MIPS_HFLAG_F64) { 1420 tcg_gen_mov_i64(t, fpu_f64[reg]); 1421 } else { 1422 tcg_gen_concat32_i64(t, fpu_f64[reg & ~1], fpu_f64[reg | 1]); 1423 } 1424 } 1425 1426 void gen_store_fpr64(DisasContext *ctx, TCGv_i64 t, int reg) 1427 { 1428 if (ctx->hflags & MIPS_HFLAG_F64) { 1429 tcg_gen_mov_i64(fpu_f64[reg], t); 1430 } else { 1431 TCGv_i64 t0; 1432 tcg_gen_deposit_i64(fpu_f64[reg & ~1], fpu_f64[reg & ~1], t, 0, 32); 1433 t0 = tcg_temp_new_i64(); 1434 tcg_gen_shri_i64(t0, t, 32); 1435 tcg_gen_deposit_i64(fpu_f64[reg | 1], fpu_f64[reg | 1], t0, 0, 32); 1436 tcg_temp_free_i64(t0); 1437 } 1438 } 1439 1440 int get_fp_bit(int cc) 1441 { 1442 if (cc) { 1443 return 24 + cc; 1444 } else { 1445 return 23; 1446 } 1447 } 1448 1449 /* Addresses computation */ 1450 void gen_op_addr_add(DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1) 1451 { 1452 tcg_gen_add_tl(ret, arg0, arg1); 1453 1454 #if defined(TARGET_MIPS64) 1455 if (ctx->hflags & MIPS_HFLAG_AWRAP) { 1456 tcg_gen_ext32s_i64(ret, ret); 1457 } 1458 #endif 1459 } 1460 1461 static inline void gen_op_addr_addi(DisasContext *ctx, TCGv ret, TCGv base, 1462 target_long ofs) 1463 { 1464 tcg_gen_addi_tl(ret, base, ofs); 1465 1466 #if defined(TARGET_MIPS64) 1467 if (ctx->hflags & MIPS_HFLAG_AWRAP) { 1468 tcg_gen_ext32s_i64(ret, ret); 1469 } 1470 #endif 1471 } 1472 1473 /* Addresses computation (translation time) */ 1474 static target_long addr_add(DisasContext *ctx, target_long base, 1475 target_long offset) 1476 { 1477 target_long sum = base + offset; 1478 1479 #if defined(TARGET_MIPS64) 1480 if (ctx->hflags & MIPS_HFLAG_AWRAP) { 1481 sum = (int32_t)sum; 1482 } 1483 #endif 1484 return sum; 1485 } 1486 1487 /* Sign-extract the low 32-bits to a target_long. */ 1488 void gen_move_low32(TCGv ret, TCGv_i64 arg) 1489 { 1490 #if defined(TARGET_MIPS64) 1491 tcg_gen_ext32s_i64(ret, arg); 1492 #else 1493 tcg_gen_extrl_i64_i32(ret, arg); 1494 #endif 1495 } 1496 1497 /* Sign-extract the high 32-bits to a target_long. */ 1498 void gen_move_high32(TCGv ret, TCGv_i64 arg) 1499 { 1500 #if defined(TARGET_MIPS64) 1501 tcg_gen_sari_i64(ret, arg, 32); 1502 #else 1503 tcg_gen_extrh_i64_i32(ret, arg); 1504 #endif 1505 } 1506 1507 bool check_cp0_enabled(DisasContext *ctx) 1508 { 1509 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) { 1510 generate_exception_end(ctx, EXCP_CpU); 1511 return false; 1512 } 1513 return true; 1514 } 1515 1516 void check_cp1_enabled(DisasContext *ctx) 1517 { 1518 if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU))) { 1519 generate_exception_err(ctx, EXCP_CpU, 1); 1520 } 1521 } 1522 1523 /* 1524 * Verify that the processor is running with COP1X instructions enabled. 1525 * This is associated with the nabla symbol in the MIPS32 and MIPS64 1526 * opcode tables. 1527 */ 1528 void check_cop1x(DisasContext *ctx) 1529 { 1530 if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X))) { 1531 gen_reserved_instruction(ctx); 1532 } 1533 } 1534 1535 /* 1536 * Verify that the processor is running with 64-bit floating-point 1537 * operations enabled. 1538 */ 1539 void check_cp1_64bitmode(DisasContext *ctx) 1540 { 1541 if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X))) { 1542 gen_reserved_instruction(ctx); 1543 } 1544 } 1545 1546 /* 1547 * Verify if floating point register is valid; an operation is not defined 1548 * if bit 0 of any register specification is set and the FR bit in the 1549 * Status register equals zero, since the register numbers specify an 1550 * even-odd pair of adjacent coprocessor general registers. When the FR bit 1551 * in the Status register equals one, both even and odd register numbers 1552 * are valid. This limitation exists only for 64 bit wide (d,l,ps) registers. 1553 * 1554 * Multiple 64 bit wide registers can be checked by calling 1555 * gen_op_cp1_registers(freg1 | freg2 | ... | fregN); 1556 */ 1557 void check_cp1_registers(DisasContext *ctx, int regs) 1558 { 1559 if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) { 1560 gen_reserved_instruction(ctx); 1561 } 1562 } 1563 1564 /* 1565 * Verify that the processor is running with DSP instructions enabled. 1566 * This is enabled by CP0 Status register MX(24) bit. 1567 */ 1568 static inline void check_dsp(DisasContext *ctx) 1569 { 1570 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP))) { 1571 if (ctx->insn_flags & ASE_DSP) { 1572 generate_exception_end(ctx, EXCP_DSPDIS); 1573 } else { 1574 gen_reserved_instruction(ctx); 1575 } 1576 } 1577 } 1578 1579 static inline void check_dsp_r2(DisasContext *ctx) 1580 { 1581 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP_R2))) { 1582 if (ctx->insn_flags & ASE_DSP) { 1583 generate_exception_end(ctx, EXCP_DSPDIS); 1584 } else { 1585 gen_reserved_instruction(ctx); 1586 } 1587 } 1588 } 1589 1590 static inline void check_dsp_r3(DisasContext *ctx) 1591 { 1592 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP_R3))) { 1593 if (ctx->insn_flags & ASE_DSP) { 1594 generate_exception_end(ctx, EXCP_DSPDIS); 1595 } else { 1596 gen_reserved_instruction(ctx); 1597 } 1598 } 1599 } 1600 1601 /* 1602 * This code generates a "reserved instruction" exception if the 1603 * CPU does not support the instruction set corresponding to flags. 1604 */ 1605 void check_insn(DisasContext *ctx, uint64_t flags) 1606 { 1607 if (unlikely(!(ctx->insn_flags & flags))) { 1608 gen_reserved_instruction(ctx); 1609 } 1610 } 1611 1612 /* 1613 * This code generates a "reserved instruction" exception if the 1614 * CPU has corresponding flag set which indicates that the instruction 1615 * has been removed. 1616 */ 1617 static inline void check_insn_opc_removed(DisasContext *ctx, uint64_t flags) 1618 { 1619 if (unlikely(ctx->insn_flags & flags)) { 1620 gen_reserved_instruction(ctx); 1621 } 1622 } 1623 1624 /* 1625 * The Linux kernel traps certain reserved instruction exceptions to 1626 * emulate the corresponding instructions. QEMU is the kernel in user 1627 * mode, so those traps are emulated by accepting the instructions. 1628 * 1629 * A reserved instruction exception is generated for flagged CPUs if 1630 * QEMU runs in system mode. 1631 */ 1632 static inline void check_insn_opc_user_only(DisasContext *ctx, uint64_t flags) 1633 { 1634 #ifndef CONFIG_USER_ONLY 1635 check_insn_opc_removed(ctx, flags); 1636 #endif 1637 } 1638 1639 /* 1640 * This code generates a "reserved instruction" exception if the 1641 * CPU does not support 64-bit paired-single (PS) floating point data type. 1642 */ 1643 static inline void check_ps(DisasContext *ctx) 1644 { 1645 if (unlikely(!ctx->ps)) { 1646 generate_exception(ctx, EXCP_RI); 1647 } 1648 check_cp1_64bitmode(ctx); 1649 } 1650 1651 /* 1652 * This code generates a "reserved instruction" exception if cpu is not 1653 * 64-bit or 64-bit instructions are not enabled. 1654 */ 1655 void check_mips_64(DisasContext *ctx) 1656 { 1657 if (unlikely((TARGET_LONG_BITS != 64) || !(ctx->hflags & MIPS_HFLAG_64))) { 1658 gen_reserved_instruction(ctx); 1659 } 1660 } 1661 1662 #ifndef CONFIG_USER_ONLY 1663 static inline void check_mvh(DisasContext *ctx) 1664 { 1665 if (unlikely(!ctx->mvh)) { 1666 generate_exception(ctx, EXCP_RI); 1667 } 1668 } 1669 #endif 1670 1671 /* 1672 * This code generates a "reserved instruction" exception if the 1673 * Config5 XNP bit is set. 1674 */ 1675 static inline void check_xnp(DisasContext *ctx) 1676 { 1677 if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_XNP))) { 1678 gen_reserved_instruction(ctx); 1679 } 1680 } 1681 1682 #ifndef CONFIG_USER_ONLY 1683 /* 1684 * This code generates a "reserved instruction" exception if the 1685 * Config3 PW bit is NOT set. 1686 */ 1687 static inline void check_pw(DisasContext *ctx) 1688 { 1689 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_PW)))) { 1690 gen_reserved_instruction(ctx); 1691 } 1692 } 1693 #endif 1694 1695 /* 1696 * This code generates a "reserved instruction" exception if the 1697 * Config3 MT bit is NOT set. 1698 */ 1699 static inline void check_mt(DisasContext *ctx) 1700 { 1701 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_MT)))) { 1702 gen_reserved_instruction(ctx); 1703 } 1704 } 1705 1706 #ifndef CONFIG_USER_ONLY 1707 /* 1708 * This code generates a "coprocessor unusable" exception if CP0 is not 1709 * available, and, if that is not the case, generates a "reserved instruction" 1710 * exception if the Config5 MT bit is NOT set. This is needed for availability 1711 * control of some of MT ASE instructions. 1712 */ 1713 static inline void check_cp0_mt(DisasContext *ctx) 1714 { 1715 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) { 1716 generate_exception_end(ctx, EXCP_CpU); 1717 } else { 1718 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_MT)))) { 1719 gen_reserved_instruction(ctx); 1720 } 1721 } 1722 } 1723 #endif 1724 1725 /* 1726 * This code generates a "reserved instruction" exception if the 1727 * Config5 NMS bit is set. 1728 */ 1729 static inline void check_nms(DisasContext *ctx) 1730 { 1731 if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_NMS))) { 1732 gen_reserved_instruction(ctx); 1733 } 1734 } 1735 1736 /* 1737 * This code generates a "reserved instruction" exception if the 1738 * Config5 NMS bit is set, and Config1 DL, Config1 IL, Config2 SL, 1739 * Config2 TL, and Config5 L2C are unset. 1740 */ 1741 static inline void check_nms_dl_il_sl_tl_l2c(DisasContext *ctx) 1742 { 1743 if (unlikely((ctx->CP0_Config5 & (1 << CP0C5_NMS)) && 1744 !(ctx->CP0_Config1 & (1 << CP0C1_DL)) && 1745 !(ctx->CP0_Config1 & (1 << CP0C1_IL)) && 1746 !(ctx->CP0_Config2 & (1 << CP0C2_SL)) && 1747 !(ctx->CP0_Config2 & (1 << CP0C2_TL)) && 1748 !(ctx->CP0_Config5 & (1 << CP0C5_L2C)))) { 1749 gen_reserved_instruction(ctx); 1750 } 1751 } 1752 1753 /* 1754 * This code generates a "reserved instruction" exception if the 1755 * Config5 EVA bit is NOT set. 1756 */ 1757 static inline void check_eva(DisasContext *ctx) 1758 { 1759 if (unlikely(!(ctx->CP0_Config5 & (1 << CP0C5_EVA)))) { 1760 gen_reserved_instruction(ctx); 1761 } 1762 } 1763 1764 1765 /* 1766 * Define small wrappers for gen_load_fpr* so that we have a uniform 1767 * calling interface for 32 and 64-bit FPRs. No sense in changing 1768 * all callers for gen_load_fpr32 when we need the CTX parameter for 1769 * this one use. 1770 */ 1771 #define gen_ldcmp_fpr32(ctx, x, y) gen_load_fpr32(ctx, x, y) 1772 #define gen_ldcmp_fpr64(ctx, x, y) gen_load_fpr64(ctx, x, y) 1773 #define FOP_CONDS(type, abs, fmt, ifmt, bits) \ 1774 static inline void gen_cmp ## type ## _ ## fmt(DisasContext *ctx, int n, \ 1775 int ft, int fs, int cc) \ 1776 { \ 1777 TCGv_i##bits fp0 = tcg_temp_new_i##bits(); \ 1778 TCGv_i##bits fp1 = tcg_temp_new_i##bits(); \ 1779 switch (ifmt) { \ 1780 case FMT_PS: \ 1781 check_ps(ctx); \ 1782 break; \ 1783 case FMT_D: \ 1784 if (abs) { \ 1785 check_cop1x(ctx); \ 1786 } \ 1787 check_cp1_registers(ctx, fs | ft); \ 1788 break; \ 1789 case FMT_S: \ 1790 if (abs) { \ 1791 check_cop1x(ctx); \ 1792 } \ 1793 break; \ 1794 } \ 1795 gen_ldcmp_fpr##bits(ctx, fp0, fs); \ 1796 gen_ldcmp_fpr##bits(ctx, fp1, ft); \ 1797 switch (n) { \ 1798 case 0: \ 1799 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); \ 1800 break; \ 1801 case 1: \ 1802 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); \ 1803 break; \ 1804 case 2: \ 1805 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); \ 1806 break; \ 1807 case 3: \ 1808 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); \ 1809 break; \ 1810 case 4: \ 1811 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); \ 1812 break; \ 1813 case 5: \ 1814 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); \ 1815 break; \ 1816 case 6: \ 1817 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); \ 1818 break; \ 1819 case 7: \ 1820 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); \ 1821 break; \ 1822 case 8: \ 1823 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); \ 1824 break; \ 1825 case 9: \ 1826 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); \ 1827 break; \ 1828 case 10: \ 1829 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); \ 1830 break; \ 1831 case 11: \ 1832 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); \ 1833 break; \ 1834 case 12: \ 1835 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); \ 1836 break; \ 1837 case 13: \ 1838 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); \ 1839 break; \ 1840 case 14: \ 1841 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); \ 1842 break; \ 1843 case 15: \ 1844 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); \ 1845 break; \ 1846 default: \ 1847 abort(); \ 1848 } \ 1849 tcg_temp_free_i##bits(fp0); \ 1850 tcg_temp_free_i##bits(fp1); \ 1851 } 1852 1853 FOP_CONDS(, 0, d, FMT_D, 64) 1854 FOP_CONDS(abs, 1, d, FMT_D, 64) 1855 FOP_CONDS(, 0, s, FMT_S, 32) 1856 FOP_CONDS(abs, 1, s, FMT_S, 32) 1857 FOP_CONDS(, 0, ps, FMT_PS, 64) 1858 FOP_CONDS(abs, 1, ps, FMT_PS, 64) 1859 #undef FOP_CONDS 1860 1861 #define FOP_CONDNS(fmt, ifmt, bits, STORE) \ 1862 static inline void gen_r6_cmp_ ## fmt(DisasContext *ctx, int n, \ 1863 int ft, int fs, int fd) \ 1864 { \ 1865 TCGv_i ## bits fp0 = tcg_temp_new_i ## bits(); \ 1866 TCGv_i ## bits fp1 = tcg_temp_new_i ## bits(); \ 1867 if (ifmt == FMT_D) { \ 1868 check_cp1_registers(ctx, fs | ft | fd); \ 1869 } \ 1870 gen_ldcmp_fpr ## bits(ctx, fp0, fs); \ 1871 gen_ldcmp_fpr ## bits(ctx, fp1, ft); \ 1872 switch (n) { \ 1873 case 0: \ 1874 gen_helper_r6_cmp_ ## fmt ## _af(fp0, cpu_env, fp0, fp1); \ 1875 break; \ 1876 case 1: \ 1877 gen_helper_r6_cmp_ ## fmt ## _un(fp0, cpu_env, fp0, fp1); \ 1878 break; \ 1879 case 2: \ 1880 gen_helper_r6_cmp_ ## fmt ## _eq(fp0, cpu_env, fp0, fp1); \ 1881 break; \ 1882 case 3: \ 1883 gen_helper_r6_cmp_ ## fmt ## _ueq(fp0, cpu_env, fp0, fp1); \ 1884 break; \ 1885 case 4: \ 1886 gen_helper_r6_cmp_ ## fmt ## _lt(fp0, cpu_env, fp0, fp1); \ 1887 break; \ 1888 case 5: \ 1889 gen_helper_r6_cmp_ ## fmt ## _ult(fp0, cpu_env, fp0, fp1); \ 1890 break; \ 1891 case 6: \ 1892 gen_helper_r6_cmp_ ## fmt ## _le(fp0, cpu_env, fp0, fp1); \ 1893 break; \ 1894 case 7: \ 1895 gen_helper_r6_cmp_ ## fmt ## _ule(fp0, cpu_env, fp0, fp1); \ 1896 break; \ 1897 case 8: \ 1898 gen_helper_r6_cmp_ ## fmt ## _saf(fp0, cpu_env, fp0, fp1); \ 1899 break; \ 1900 case 9: \ 1901 gen_helper_r6_cmp_ ## fmt ## _sun(fp0, cpu_env, fp0, fp1); \ 1902 break; \ 1903 case 10: \ 1904 gen_helper_r6_cmp_ ## fmt ## _seq(fp0, cpu_env, fp0, fp1); \ 1905 break; \ 1906 case 11: \ 1907 gen_helper_r6_cmp_ ## fmt ## _sueq(fp0, cpu_env, fp0, fp1); \ 1908 break; \ 1909 case 12: \ 1910 gen_helper_r6_cmp_ ## fmt ## _slt(fp0, cpu_env, fp0, fp1); \ 1911 break; \ 1912 case 13: \ 1913 gen_helper_r6_cmp_ ## fmt ## _sult(fp0, cpu_env, fp0, fp1); \ 1914 break; \ 1915 case 14: \ 1916 gen_helper_r6_cmp_ ## fmt ## _sle(fp0, cpu_env, fp0, fp1); \ 1917 break; \ 1918 case 15: \ 1919 gen_helper_r6_cmp_ ## fmt ## _sule(fp0, cpu_env, fp0, fp1); \ 1920 break; \ 1921 case 17: \ 1922 gen_helper_r6_cmp_ ## fmt ## _or(fp0, cpu_env, fp0, fp1); \ 1923 break; \ 1924 case 18: \ 1925 gen_helper_r6_cmp_ ## fmt ## _une(fp0, cpu_env, fp0, fp1); \ 1926 break; \ 1927 case 19: \ 1928 gen_helper_r6_cmp_ ## fmt ## _ne(fp0, cpu_env, fp0, fp1); \ 1929 break; \ 1930 case 25: \ 1931 gen_helper_r6_cmp_ ## fmt ## _sor(fp0, cpu_env, fp0, fp1); \ 1932 break; \ 1933 case 26: \ 1934 gen_helper_r6_cmp_ ## fmt ## _sune(fp0, cpu_env, fp0, fp1); \ 1935 break; \ 1936 case 27: \ 1937 gen_helper_r6_cmp_ ## fmt ## _sne(fp0, cpu_env, fp0, fp1); \ 1938 break; \ 1939 default: \ 1940 abort(); \ 1941 } \ 1942 STORE; \ 1943 tcg_temp_free_i ## bits(fp0); \ 1944 tcg_temp_free_i ## bits(fp1); \ 1945 } 1946 1947 FOP_CONDNS(d, FMT_D, 64, gen_store_fpr64(ctx, fp0, fd)) 1948 FOP_CONDNS(s, FMT_S, 32, gen_store_fpr32(ctx, fp0, fd)) 1949 #undef FOP_CONDNS 1950 #undef gen_ldcmp_fpr32 1951 #undef gen_ldcmp_fpr64 1952 1953 /* load/store instructions. */ 1954 #ifdef CONFIG_USER_ONLY 1955 #define OP_LD_ATOMIC(insn, fname) \ 1956 static inline void op_ld_##insn(TCGv ret, TCGv arg1, int mem_idx, \ 1957 DisasContext *ctx) \ 1958 { \ 1959 TCGv t0 = tcg_temp_new(); \ 1960 tcg_gen_mov_tl(t0, arg1); \ 1961 tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \ 1962 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUMIPSState, lladdr)); \ 1963 tcg_gen_st_tl(ret, cpu_env, offsetof(CPUMIPSState, llval)); \ 1964 tcg_temp_free(t0); \ 1965 } 1966 #else 1967 #define OP_LD_ATOMIC(insn, fname) \ 1968 static inline void op_ld_##insn(TCGv ret, TCGv arg1, int mem_idx, \ 1969 DisasContext *ctx) \ 1970 { \ 1971 gen_helper_##insn(ret, cpu_env, arg1, tcg_constant_i32(mem_idx)); \ 1972 } 1973 #endif 1974 OP_LD_ATOMIC(ll, ld32s); 1975 #if defined(TARGET_MIPS64) 1976 OP_LD_ATOMIC(lld, ld64); 1977 #endif 1978 #undef OP_LD_ATOMIC 1979 1980 void gen_base_offset_addr(DisasContext *ctx, TCGv addr, int base, int offset) 1981 { 1982 if (base == 0) { 1983 tcg_gen_movi_tl(addr, offset); 1984 } else if (offset == 0) { 1985 gen_load_gpr(addr, base); 1986 } else { 1987 tcg_gen_movi_tl(addr, offset); 1988 gen_op_addr_add(ctx, addr, cpu_gpr[base], addr); 1989 } 1990 } 1991 1992 static target_ulong pc_relative_pc(DisasContext *ctx) 1993 { 1994 target_ulong pc = ctx->base.pc_next; 1995 1996 if (ctx->hflags & MIPS_HFLAG_BMASK) { 1997 int branch_bytes = ctx->hflags & MIPS_HFLAG_BDS16 ? 2 : 4; 1998 1999 pc -= branch_bytes; 2000 } 2001 2002 pc &= ~(target_ulong)3; 2003 return pc; 2004 } 2005 2006 /* Load */ 2007 static void gen_ld(DisasContext *ctx, uint32_t opc, 2008 int rt, int base, int offset) 2009 { 2010 TCGv t0, t1, t2; 2011 int mem_idx = ctx->mem_idx; 2012 2013 if (rt == 0 && ctx->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F | 2014 INSN_LOONGSON3A)) { 2015 /* 2016 * Loongson CPU uses a load to zero register for prefetch. 2017 * We emulate it as a NOP. On other CPU we must perform the 2018 * actual memory access. 2019 */ 2020 return; 2021 } 2022 2023 t0 = tcg_temp_new(); 2024 gen_base_offset_addr(ctx, t0, base, offset); 2025 2026 switch (opc) { 2027 #if defined(TARGET_MIPS64) 2028 case OPC_LWU: 2029 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUL | 2030 ctx->default_tcg_memop_mask); 2031 gen_store_gpr(t0, rt); 2032 break; 2033 case OPC_LD: 2034 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEQ | 2035 ctx->default_tcg_memop_mask); 2036 gen_store_gpr(t0, rt); 2037 break; 2038 case OPC_LLD: 2039 case R6_OPC_LLD: 2040 op_ld_lld(t0, t0, mem_idx, ctx); 2041 gen_store_gpr(t0, rt); 2042 break; 2043 case OPC_LDL: 2044 t1 = tcg_temp_new(); 2045 /* 2046 * Do a byte access to possibly trigger a page 2047 * fault with the unaligned address. 2048 */ 2049 tcg_gen_qemu_ld_tl(t1, t0, mem_idx, MO_UB); 2050 tcg_gen_andi_tl(t1, t0, 7); 2051 if (!cpu_is_bigendian(ctx)) { 2052 tcg_gen_xori_tl(t1, t1, 7); 2053 } 2054 tcg_gen_shli_tl(t1, t1, 3); 2055 tcg_gen_andi_tl(t0, t0, ~7); 2056 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEQ); 2057 tcg_gen_shl_tl(t0, t0, t1); 2058 t2 = tcg_const_tl(-1); 2059 tcg_gen_shl_tl(t2, t2, t1); 2060 gen_load_gpr(t1, rt); 2061 tcg_gen_andc_tl(t1, t1, t2); 2062 tcg_temp_free(t2); 2063 tcg_gen_or_tl(t0, t0, t1); 2064 tcg_temp_free(t1); 2065 gen_store_gpr(t0, rt); 2066 break; 2067 case OPC_LDR: 2068 t1 = tcg_temp_new(); 2069 /* 2070 * Do a byte access to possibly trigger a page 2071 * fault with the unaligned address. 2072 */ 2073 tcg_gen_qemu_ld_tl(t1, t0, mem_idx, MO_UB); 2074 tcg_gen_andi_tl(t1, t0, 7); 2075 if (cpu_is_bigendian(ctx)) { 2076 tcg_gen_xori_tl(t1, t1, 7); 2077 } 2078 tcg_gen_shli_tl(t1, t1, 3); 2079 tcg_gen_andi_tl(t0, t0, ~7); 2080 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEQ); 2081 tcg_gen_shr_tl(t0, t0, t1); 2082 tcg_gen_xori_tl(t1, t1, 63); 2083 t2 = tcg_const_tl(0xfffffffffffffffeull); 2084 tcg_gen_shl_tl(t2, t2, t1); 2085 gen_load_gpr(t1, rt); 2086 tcg_gen_and_tl(t1, t1, t2); 2087 tcg_temp_free(t2); 2088 tcg_gen_or_tl(t0, t0, t1); 2089 tcg_temp_free(t1); 2090 gen_store_gpr(t0, rt); 2091 break; 2092 case OPC_LDPC: 2093 t1 = tcg_const_tl(pc_relative_pc(ctx)); 2094 gen_op_addr_add(ctx, t0, t0, t1); 2095 tcg_temp_free(t1); 2096 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEQ); 2097 gen_store_gpr(t0, rt); 2098 break; 2099 #endif 2100 case OPC_LWPC: 2101 t1 = tcg_const_tl(pc_relative_pc(ctx)); 2102 gen_op_addr_add(ctx, t0, t0, t1); 2103 tcg_temp_free(t1); 2104 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESL); 2105 gen_store_gpr(t0, rt); 2106 break; 2107 case OPC_LWE: 2108 mem_idx = MIPS_HFLAG_UM; 2109 /* fall through */ 2110 case OPC_LW: 2111 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESL | 2112 ctx->default_tcg_memop_mask); 2113 gen_store_gpr(t0, rt); 2114 break; 2115 case OPC_LHE: 2116 mem_idx = MIPS_HFLAG_UM; 2117 /* fall through */ 2118 case OPC_LH: 2119 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESW | 2120 ctx->default_tcg_memop_mask); 2121 gen_store_gpr(t0, rt); 2122 break; 2123 case OPC_LHUE: 2124 mem_idx = MIPS_HFLAG_UM; 2125 /* fall through */ 2126 case OPC_LHU: 2127 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUW | 2128 ctx->default_tcg_memop_mask); 2129 gen_store_gpr(t0, rt); 2130 break; 2131 case OPC_LBE: 2132 mem_idx = MIPS_HFLAG_UM; 2133 /* fall through */ 2134 case OPC_LB: 2135 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_SB); 2136 gen_store_gpr(t0, rt); 2137 break; 2138 case OPC_LBUE: 2139 mem_idx = MIPS_HFLAG_UM; 2140 /* fall through */ 2141 case OPC_LBU: 2142 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_UB); 2143 gen_store_gpr(t0, rt); 2144 break; 2145 case OPC_LWLE: 2146 mem_idx = MIPS_HFLAG_UM; 2147 /* fall through */ 2148 case OPC_LWL: 2149 t1 = tcg_temp_new(); 2150 /* 2151 * Do a byte access to possibly trigger a page 2152 * fault with the unaligned address. 2153 */ 2154 tcg_gen_qemu_ld_tl(t1, t0, mem_idx, MO_UB); 2155 tcg_gen_andi_tl(t1, t0, 3); 2156 if (!cpu_is_bigendian(ctx)) { 2157 tcg_gen_xori_tl(t1, t1, 3); 2158 } 2159 tcg_gen_shli_tl(t1, t1, 3); 2160 tcg_gen_andi_tl(t0, t0, ~3); 2161 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUL); 2162 tcg_gen_shl_tl(t0, t0, t1); 2163 t2 = tcg_const_tl(-1); 2164 tcg_gen_shl_tl(t2, t2, t1); 2165 gen_load_gpr(t1, rt); 2166 tcg_gen_andc_tl(t1, t1, t2); 2167 tcg_temp_free(t2); 2168 tcg_gen_or_tl(t0, t0, t1); 2169 tcg_temp_free(t1); 2170 tcg_gen_ext32s_tl(t0, t0); 2171 gen_store_gpr(t0, rt); 2172 break; 2173 case OPC_LWRE: 2174 mem_idx = MIPS_HFLAG_UM; 2175 /* fall through */ 2176 case OPC_LWR: 2177 t1 = tcg_temp_new(); 2178 /* 2179 * Do a byte access to possibly trigger a page 2180 * fault with the unaligned address. 2181 */ 2182 tcg_gen_qemu_ld_tl(t1, t0, mem_idx, MO_UB); 2183 tcg_gen_andi_tl(t1, t0, 3); 2184 if (cpu_is_bigendian(ctx)) { 2185 tcg_gen_xori_tl(t1, t1, 3); 2186 } 2187 tcg_gen_shli_tl(t1, t1, 3); 2188 tcg_gen_andi_tl(t0, t0, ~3); 2189 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUL); 2190 tcg_gen_shr_tl(t0, t0, t1); 2191 tcg_gen_xori_tl(t1, t1, 31); 2192 t2 = tcg_const_tl(0xfffffffeull); 2193 tcg_gen_shl_tl(t2, t2, t1); 2194 gen_load_gpr(t1, rt); 2195 tcg_gen_and_tl(t1, t1, t2); 2196 tcg_temp_free(t2); 2197 tcg_gen_or_tl(t0, t0, t1); 2198 tcg_temp_free(t1); 2199 tcg_gen_ext32s_tl(t0, t0); 2200 gen_store_gpr(t0, rt); 2201 break; 2202 case OPC_LLE: 2203 mem_idx = MIPS_HFLAG_UM; 2204 /* fall through */ 2205 case OPC_LL: 2206 case R6_OPC_LL: 2207 op_ld_ll(t0, t0, mem_idx, ctx); 2208 gen_store_gpr(t0, rt); 2209 break; 2210 } 2211 tcg_temp_free(t0); 2212 } 2213 2214 /* Store */ 2215 static void gen_st(DisasContext *ctx, uint32_t opc, int rt, 2216 int base, int offset) 2217 { 2218 TCGv t0 = tcg_temp_new(); 2219 TCGv t1 = tcg_temp_new(); 2220 int mem_idx = ctx->mem_idx; 2221 2222 gen_base_offset_addr(ctx, t0, base, offset); 2223 gen_load_gpr(t1, rt); 2224 switch (opc) { 2225 #if defined(TARGET_MIPS64) 2226 case OPC_SD: 2227 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEQ | 2228 ctx->default_tcg_memop_mask); 2229 break; 2230 case OPC_SDL: 2231 gen_helper_0e2i(sdl, t1, t0, mem_idx); 2232 break; 2233 case OPC_SDR: 2234 gen_helper_0e2i(sdr, t1, t0, mem_idx); 2235 break; 2236 #endif 2237 case OPC_SWE: 2238 mem_idx = MIPS_HFLAG_UM; 2239 /* fall through */ 2240 case OPC_SW: 2241 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUL | 2242 ctx->default_tcg_memop_mask); 2243 break; 2244 case OPC_SHE: 2245 mem_idx = MIPS_HFLAG_UM; 2246 /* fall through */ 2247 case OPC_SH: 2248 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUW | 2249 ctx->default_tcg_memop_mask); 2250 break; 2251 case OPC_SBE: 2252 mem_idx = MIPS_HFLAG_UM; 2253 /* fall through */ 2254 case OPC_SB: 2255 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_8); 2256 break; 2257 case OPC_SWLE: 2258 mem_idx = MIPS_HFLAG_UM; 2259 /* fall through */ 2260 case OPC_SWL: 2261 gen_helper_0e2i(swl, t1, t0, mem_idx); 2262 break; 2263 case OPC_SWRE: 2264 mem_idx = MIPS_HFLAG_UM; 2265 /* fall through */ 2266 case OPC_SWR: 2267 gen_helper_0e2i(swr, t1, t0, mem_idx); 2268 break; 2269 } 2270 tcg_temp_free(t0); 2271 tcg_temp_free(t1); 2272 } 2273 2274 2275 /* Store conditional */ 2276 static void gen_st_cond(DisasContext *ctx, int rt, int base, int offset, 2277 MemOp tcg_mo, bool eva) 2278 { 2279 TCGv addr, t0, val; 2280 TCGLabel *l1 = gen_new_label(); 2281 TCGLabel *done = gen_new_label(); 2282 2283 t0 = tcg_temp_new(); 2284 addr = tcg_temp_new(); 2285 /* compare the address against that of the preceding LL */ 2286 gen_base_offset_addr(ctx, addr, base, offset); 2287 tcg_gen_brcond_tl(TCG_COND_EQ, addr, cpu_lladdr, l1); 2288 tcg_temp_free(addr); 2289 tcg_gen_movi_tl(t0, 0); 2290 gen_store_gpr(t0, rt); 2291 tcg_gen_br(done); 2292 2293 gen_set_label(l1); 2294 /* generate cmpxchg */ 2295 val = tcg_temp_new(); 2296 gen_load_gpr(val, rt); 2297 tcg_gen_atomic_cmpxchg_tl(t0, cpu_lladdr, cpu_llval, val, 2298 eva ? MIPS_HFLAG_UM : ctx->mem_idx, tcg_mo); 2299 tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_llval); 2300 gen_store_gpr(t0, rt); 2301 tcg_temp_free(val); 2302 2303 gen_set_label(done); 2304 tcg_temp_free(t0); 2305 } 2306 2307 /* Load and store */ 2308 static void gen_flt_ldst(DisasContext *ctx, uint32_t opc, int ft, 2309 TCGv t0) 2310 { 2311 /* 2312 * Don't do NOP if destination is zero: we must perform the actual 2313 * memory access. 2314 */ 2315 switch (opc) { 2316 case OPC_LWC1: 2317 { 2318 TCGv_i32 fp0 = tcg_temp_new_i32(); 2319 tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL | 2320 ctx->default_tcg_memop_mask); 2321 gen_store_fpr32(ctx, fp0, ft); 2322 tcg_temp_free_i32(fp0); 2323 } 2324 break; 2325 case OPC_SWC1: 2326 { 2327 TCGv_i32 fp0 = tcg_temp_new_i32(); 2328 gen_load_fpr32(ctx, fp0, ft); 2329 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL | 2330 ctx->default_tcg_memop_mask); 2331 tcg_temp_free_i32(fp0); 2332 } 2333 break; 2334 case OPC_LDC1: 2335 { 2336 TCGv_i64 fp0 = tcg_temp_new_i64(); 2337 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEQ | 2338 ctx->default_tcg_memop_mask); 2339 gen_store_fpr64(ctx, fp0, ft); 2340 tcg_temp_free_i64(fp0); 2341 } 2342 break; 2343 case OPC_SDC1: 2344 { 2345 TCGv_i64 fp0 = tcg_temp_new_i64(); 2346 gen_load_fpr64(ctx, fp0, ft); 2347 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEQ | 2348 ctx->default_tcg_memop_mask); 2349 tcg_temp_free_i64(fp0); 2350 } 2351 break; 2352 default: 2353 MIPS_INVAL("flt_ldst"); 2354 gen_reserved_instruction(ctx); 2355 break; 2356 } 2357 } 2358 2359 static void gen_cop1_ldst(DisasContext *ctx, uint32_t op, int rt, 2360 int rs, int16_t imm) 2361 { 2362 TCGv t0 = tcg_temp_new(); 2363 2364 if (ctx->CP0_Config1 & (1 << CP0C1_FP)) { 2365 check_cp1_enabled(ctx); 2366 switch (op) { 2367 case OPC_LDC1: 2368 case OPC_SDC1: 2369 check_insn(ctx, ISA_MIPS2); 2370 /* Fallthrough */ 2371 default: 2372 gen_base_offset_addr(ctx, t0, rs, imm); 2373 gen_flt_ldst(ctx, op, rt, t0); 2374 } 2375 } else { 2376 generate_exception_err(ctx, EXCP_CpU, 1); 2377 } 2378 tcg_temp_free(t0); 2379 } 2380 2381 /* Arithmetic with immediate operand */ 2382 static void gen_arith_imm(DisasContext *ctx, uint32_t opc, 2383 int rt, int rs, int imm) 2384 { 2385 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */ 2386 2387 if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) { 2388 /* 2389 * If no destination, treat it as a NOP. 2390 * For addi, we must generate the overflow exception when needed. 2391 */ 2392 return; 2393 } 2394 switch (opc) { 2395 case OPC_ADDI: 2396 { 2397 TCGv t0 = tcg_temp_local_new(); 2398 TCGv t1 = tcg_temp_new(); 2399 TCGv t2 = tcg_temp_new(); 2400 TCGLabel *l1 = gen_new_label(); 2401 2402 gen_load_gpr(t1, rs); 2403 tcg_gen_addi_tl(t0, t1, uimm); 2404 tcg_gen_ext32s_tl(t0, t0); 2405 2406 tcg_gen_xori_tl(t1, t1, ~uimm); 2407 tcg_gen_xori_tl(t2, t0, uimm); 2408 tcg_gen_and_tl(t1, t1, t2); 2409 tcg_temp_free(t2); 2410 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2411 tcg_temp_free(t1); 2412 /* operands of same sign, result different sign */ 2413 generate_exception(ctx, EXCP_OVERFLOW); 2414 gen_set_label(l1); 2415 tcg_gen_ext32s_tl(t0, t0); 2416 gen_store_gpr(t0, rt); 2417 tcg_temp_free(t0); 2418 } 2419 break; 2420 case OPC_ADDIU: 2421 if (rs != 0) { 2422 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2423 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 2424 } else { 2425 tcg_gen_movi_tl(cpu_gpr[rt], uimm); 2426 } 2427 break; 2428 #if defined(TARGET_MIPS64) 2429 case OPC_DADDI: 2430 { 2431 TCGv t0 = tcg_temp_local_new(); 2432 TCGv t1 = tcg_temp_new(); 2433 TCGv t2 = tcg_temp_new(); 2434 TCGLabel *l1 = gen_new_label(); 2435 2436 gen_load_gpr(t1, rs); 2437 tcg_gen_addi_tl(t0, t1, uimm); 2438 2439 tcg_gen_xori_tl(t1, t1, ~uimm); 2440 tcg_gen_xori_tl(t2, t0, uimm); 2441 tcg_gen_and_tl(t1, t1, t2); 2442 tcg_temp_free(t2); 2443 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2444 tcg_temp_free(t1); 2445 /* operands of same sign, result different sign */ 2446 generate_exception(ctx, EXCP_OVERFLOW); 2447 gen_set_label(l1); 2448 gen_store_gpr(t0, rt); 2449 tcg_temp_free(t0); 2450 } 2451 break; 2452 case OPC_DADDIU: 2453 if (rs != 0) { 2454 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2455 } else { 2456 tcg_gen_movi_tl(cpu_gpr[rt], uimm); 2457 } 2458 break; 2459 #endif 2460 } 2461 } 2462 2463 /* Logic with immediate operand */ 2464 static void gen_logic_imm(DisasContext *ctx, uint32_t opc, 2465 int rt, int rs, int16_t imm) 2466 { 2467 target_ulong uimm; 2468 2469 if (rt == 0) { 2470 /* If no destination, treat it as a NOP. */ 2471 return; 2472 } 2473 uimm = (uint16_t)imm; 2474 switch (opc) { 2475 case OPC_ANDI: 2476 if (likely(rs != 0)) { 2477 tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2478 } else { 2479 tcg_gen_movi_tl(cpu_gpr[rt], 0); 2480 } 2481 break; 2482 case OPC_ORI: 2483 if (rs != 0) { 2484 tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2485 } else { 2486 tcg_gen_movi_tl(cpu_gpr[rt], uimm); 2487 } 2488 break; 2489 case OPC_XORI: 2490 if (likely(rs != 0)) { 2491 tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2492 } else { 2493 tcg_gen_movi_tl(cpu_gpr[rt], uimm); 2494 } 2495 break; 2496 case OPC_LUI: 2497 if (rs != 0 && (ctx->insn_flags & ISA_MIPS_R6)) { 2498 /* OPC_AUI */ 2499 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], imm << 16); 2500 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 2501 } else { 2502 tcg_gen_movi_tl(cpu_gpr[rt], imm << 16); 2503 } 2504 break; 2505 2506 default: 2507 break; 2508 } 2509 } 2510 2511 /* Set on less than with immediate operand */ 2512 static void gen_slt_imm(DisasContext *ctx, uint32_t opc, 2513 int rt, int rs, int16_t imm) 2514 { 2515 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */ 2516 TCGv t0; 2517 2518 if (rt == 0) { 2519 /* If no destination, treat it as a NOP. */ 2520 return; 2521 } 2522 t0 = tcg_temp_new(); 2523 gen_load_gpr(t0, rs); 2524 switch (opc) { 2525 case OPC_SLTI: 2526 tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr[rt], t0, uimm); 2527 break; 2528 case OPC_SLTIU: 2529 tcg_gen_setcondi_tl(TCG_COND_LTU, cpu_gpr[rt], t0, uimm); 2530 break; 2531 } 2532 tcg_temp_free(t0); 2533 } 2534 2535 /* Shifts with immediate operand */ 2536 static void gen_shift_imm(DisasContext *ctx, uint32_t opc, 2537 int rt, int rs, int16_t imm) 2538 { 2539 target_ulong uimm = ((uint16_t)imm) & 0x1f; 2540 TCGv t0; 2541 2542 if (rt == 0) { 2543 /* If no destination, treat it as a NOP. */ 2544 return; 2545 } 2546 2547 t0 = tcg_temp_new(); 2548 gen_load_gpr(t0, rs); 2549 switch (opc) { 2550 case OPC_SLL: 2551 tcg_gen_shli_tl(t0, t0, uimm); 2552 tcg_gen_ext32s_tl(cpu_gpr[rt], t0); 2553 break; 2554 case OPC_SRA: 2555 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); 2556 break; 2557 case OPC_SRL: 2558 if (uimm != 0) { 2559 tcg_gen_ext32u_tl(t0, t0); 2560 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); 2561 } else { 2562 tcg_gen_ext32s_tl(cpu_gpr[rt], t0); 2563 } 2564 break; 2565 case OPC_ROTR: 2566 if (uimm != 0) { 2567 TCGv_i32 t1 = tcg_temp_new_i32(); 2568 2569 tcg_gen_trunc_tl_i32(t1, t0); 2570 tcg_gen_rotri_i32(t1, t1, uimm); 2571 tcg_gen_ext_i32_tl(cpu_gpr[rt], t1); 2572 tcg_temp_free_i32(t1); 2573 } else { 2574 tcg_gen_ext32s_tl(cpu_gpr[rt], t0); 2575 } 2576 break; 2577 #if defined(TARGET_MIPS64) 2578 case OPC_DSLL: 2579 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm); 2580 break; 2581 case OPC_DSRA: 2582 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); 2583 break; 2584 case OPC_DSRL: 2585 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); 2586 break; 2587 case OPC_DROTR: 2588 if (uimm != 0) { 2589 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm); 2590 } else { 2591 tcg_gen_mov_tl(cpu_gpr[rt], t0); 2592 } 2593 break; 2594 case OPC_DSLL32: 2595 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32); 2596 break; 2597 case OPC_DSRA32: 2598 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32); 2599 break; 2600 case OPC_DSRL32: 2601 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32); 2602 break; 2603 case OPC_DROTR32: 2604 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32); 2605 break; 2606 #endif 2607 } 2608 tcg_temp_free(t0); 2609 } 2610 2611 /* Arithmetic */ 2612 static void gen_arith(DisasContext *ctx, uint32_t opc, 2613 int rd, int rs, int rt) 2614 { 2615 if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB 2616 && opc != OPC_DADD && opc != OPC_DSUB) { 2617 /* 2618 * If no destination, treat it as a NOP. 2619 * For add & sub, we must generate the overflow exception when needed. 2620 */ 2621 return; 2622 } 2623 2624 switch (opc) { 2625 case OPC_ADD: 2626 { 2627 TCGv t0 = tcg_temp_local_new(); 2628 TCGv t1 = tcg_temp_new(); 2629 TCGv t2 = tcg_temp_new(); 2630 TCGLabel *l1 = gen_new_label(); 2631 2632 gen_load_gpr(t1, rs); 2633 gen_load_gpr(t2, rt); 2634 tcg_gen_add_tl(t0, t1, t2); 2635 tcg_gen_ext32s_tl(t0, t0); 2636 tcg_gen_xor_tl(t1, t1, t2); 2637 tcg_gen_xor_tl(t2, t0, t2); 2638 tcg_gen_andc_tl(t1, t2, t1); 2639 tcg_temp_free(t2); 2640 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2641 tcg_temp_free(t1); 2642 /* operands of same sign, result different sign */ 2643 generate_exception(ctx, EXCP_OVERFLOW); 2644 gen_set_label(l1); 2645 gen_store_gpr(t0, rd); 2646 tcg_temp_free(t0); 2647 } 2648 break; 2649 case OPC_ADDU: 2650 if (rs != 0 && rt != 0) { 2651 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2652 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 2653 } else if (rs == 0 && rt != 0) { 2654 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); 2655 } else if (rs != 0 && rt == 0) { 2656 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2657 } else { 2658 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2659 } 2660 break; 2661 case OPC_SUB: 2662 { 2663 TCGv t0 = tcg_temp_local_new(); 2664 TCGv t1 = tcg_temp_new(); 2665 TCGv t2 = tcg_temp_new(); 2666 TCGLabel *l1 = gen_new_label(); 2667 2668 gen_load_gpr(t1, rs); 2669 gen_load_gpr(t2, rt); 2670 tcg_gen_sub_tl(t0, t1, t2); 2671 tcg_gen_ext32s_tl(t0, t0); 2672 tcg_gen_xor_tl(t2, t1, t2); 2673 tcg_gen_xor_tl(t1, t0, t1); 2674 tcg_gen_and_tl(t1, t1, t2); 2675 tcg_temp_free(t2); 2676 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2677 tcg_temp_free(t1); 2678 /* 2679 * operands of different sign, first operand and the result 2680 * of different sign 2681 */ 2682 generate_exception(ctx, EXCP_OVERFLOW); 2683 gen_set_label(l1); 2684 gen_store_gpr(t0, rd); 2685 tcg_temp_free(t0); 2686 } 2687 break; 2688 case OPC_SUBU: 2689 if (rs != 0 && rt != 0) { 2690 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2691 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 2692 } else if (rs == 0 && rt != 0) { 2693 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); 2694 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 2695 } else if (rs != 0 && rt == 0) { 2696 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2697 } else { 2698 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2699 } 2700 break; 2701 #if defined(TARGET_MIPS64) 2702 case OPC_DADD: 2703 { 2704 TCGv t0 = tcg_temp_local_new(); 2705 TCGv t1 = tcg_temp_new(); 2706 TCGv t2 = tcg_temp_new(); 2707 TCGLabel *l1 = gen_new_label(); 2708 2709 gen_load_gpr(t1, rs); 2710 gen_load_gpr(t2, rt); 2711 tcg_gen_add_tl(t0, t1, t2); 2712 tcg_gen_xor_tl(t1, t1, t2); 2713 tcg_gen_xor_tl(t2, t0, t2); 2714 tcg_gen_andc_tl(t1, t2, t1); 2715 tcg_temp_free(t2); 2716 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2717 tcg_temp_free(t1); 2718 /* operands of same sign, result different sign */ 2719 generate_exception(ctx, EXCP_OVERFLOW); 2720 gen_set_label(l1); 2721 gen_store_gpr(t0, rd); 2722 tcg_temp_free(t0); 2723 } 2724 break; 2725 case OPC_DADDU: 2726 if (rs != 0 && rt != 0) { 2727 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2728 } else if (rs == 0 && rt != 0) { 2729 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); 2730 } else if (rs != 0 && rt == 0) { 2731 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2732 } else { 2733 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2734 } 2735 break; 2736 case OPC_DSUB: 2737 { 2738 TCGv t0 = tcg_temp_local_new(); 2739 TCGv t1 = tcg_temp_new(); 2740 TCGv t2 = tcg_temp_new(); 2741 TCGLabel *l1 = gen_new_label(); 2742 2743 gen_load_gpr(t1, rs); 2744 gen_load_gpr(t2, rt); 2745 tcg_gen_sub_tl(t0, t1, t2); 2746 tcg_gen_xor_tl(t2, t1, t2); 2747 tcg_gen_xor_tl(t1, t0, t1); 2748 tcg_gen_and_tl(t1, t1, t2); 2749 tcg_temp_free(t2); 2750 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2751 tcg_temp_free(t1); 2752 /* 2753 * Operands of different sign, first operand and result different 2754 * sign. 2755 */ 2756 generate_exception(ctx, EXCP_OVERFLOW); 2757 gen_set_label(l1); 2758 gen_store_gpr(t0, rd); 2759 tcg_temp_free(t0); 2760 } 2761 break; 2762 case OPC_DSUBU: 2763 if (rs != 0 && rt != 0) { 2764 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2765 } else if (rs == 0 && rt != 0) { 2766 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); 2767 } else if (rs != 0 && rt == 0) { 2768 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2769 } else { 2770 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2771 } 2772 break; 2773 #endif 2774 case OPC_MUL: 2775 if (likely(rs != 0 && rt != 0)) { 2776 tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2777 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 2778 } else { 2779 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2780 } 2781 break; 2782 } 2783 } 2784 2785 /* Conditional move */ 2786 static void gen_cond_move(DisasContext *ctx, uint32_t opc, 2787 int rd, int rs, int rt) 2788 { 2789 TCGv t0, t1, t2; 2790 2791 if (rd == 0) { 2792 /* If no destination, treat it as a NOP. */ 2793 return; 2794 } 2795 2796 t0 = tcg_temp_new(); 2797 gen_load_gpr(t0, rt); 2798 t1 = tcg_const_tl(0); 2799 t2 = tcg_temp_new(); 2800 gen_load_gpr(t2, rs); 2801 switch (opc) { 2802 case OPC_MOVN: 2803 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rd], t0, t1, t2, cpu_gpr[rd]); 2804 break; 2805 case OPC_MOVZ: 2806 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr[rd], t0, t1, t2, cpu_gpr[rd]); 2807 break; 2808 case OPC_SELNEZ: 2809 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rd], t0, t1, t2, t1); 2810 break; 2811 case OPC_SELEQZ: 2812 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr[rd], t0, t1, t2, t1); 2813 break; 2814 } 2815 tcg_temp_free(t2); 2816 tcg_temp_free(t1); 2817 tcg_temp_free(t0); 2818 } 2819 2820 /* Logic */ 2821 static void gen_logic(DisasContext *ctx, uint32_t opc, 2822 int rd, int rs, int rt) 2823 { 2824 if (rd == 0) { 2825 /* If no destination, treat it as a NOP. */ 2826 return; 2827 } 2828 2829 switch (opc) { 2830 case OPC_AND: 2831 if (likely(rs != 0 && rt != 0)) { 2832 tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2833 } else { 2834 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2835 } 2836 break; 2837 case OPC_NOR: 2838 if (rs != 0 && rt != 0) { 2839 tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2840 } else if (rs == 0 && rt != 0) { 2841 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]); 2842 } else if (rs != 0 && rt == 0) { 2843 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]); 2844 } else { 2845 tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0)); 2846 } 2847 break; 2848 case OPC_OR: 2849 if (likely(rs != 0 && rt != 0)) { 2850 tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2851 } else if (rs == 0 && rt != 0) { 2852 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); 2853 } else if (rs != 0 && rt == 0) { 2854 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2855 } else { 2856 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2857 } 2858 break; 2859 case OPC_XOR: 2860 if (likely(rs != 0 && rt != 0)) { 2861 tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2862 } else if (rs == 0 && rt != 0) { 2863 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); 2864 } else if (rs != 0 && rt == 0) { 2865 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2866 } else { 2867 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2868 } 2869 break; 2870 } 2871 } 2872 2873 /* Set on lower than */ 2874 static void gen_slt(DisasContext *ctx, uint32_t opc, 2875 int rd, int rs, int rt) 2876 { 2877 TCGv t0, t1; 2878 2879 if (rd == 0) { 2880 /* If no destination, treat it as a NOP. */ 2881 return; 2882 } 2883 2884 t0 = tcg_temp_new(); 2885 t1 = tcg_temp_new(); 2886 gen_load_gpr(t0, rs); 2887 gen_load_gpr(t1, rt); 2888 switch (opc) { 2889 case OPC_SLT: 2890 tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr[rd], t0, t1); 2891 break; 2892 case OPC_SLTU: 2893 tcg_gen_setcond_tl(TCG_COND_LTU, cpu_gpr[rd], t0, t1); 2894 break; 2895 } 2896 tcg_temp_free(t0); 2897 tcg_temp_free(t1); 2898 } 2899 2900 /* Shifts */ 2901 static void gen_shift(DisasContext *ctx, uint32_t opc, 2902 int rd, int rs, int rt) 2903 { 2904 TCGv t0, t1; 2905 2906 if (rd == 0) { 2907 /* 2908 * If no destination, treat it as a NOP. 2909 * For add & sub, we must generate the overflow exception when needed. 2910 */ 2911 return; 2912 } 2913 2914 t0 = tcg_temp_new(); 2915 t1 = tcg_temp_new(); 2916 gen_load_gpr(t0, rs); 2917 gen_load_gpr(t1, rt); 2918 switch (opc) { 2919 case OPC_SLLV: 2920 tcg_gen_andi_tl(t0, t0, 0x1f); 2921 tcg_gen_shl_tl(t0, t1, t0); 2922 tcg_gen_ext32s_tl(cpu_gpr[rd], t0); 2923 break; 2924 case OPC_SRAV: 2925 tcg_gen_andi_tl(t0, t0, 0x1f); 2926 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); 2927 break; 2928 case OPC_SRLV: 2929 tcg_gen_ext32u_tl(t1, t1); 2930 tcg_gen_andi_tl(t0, t0, 0x1f); 2931 tcg_gen_shr_tl(t0, t1, t0); 2932 tcg_gen_ext32s_tl(cpu_gpr[rd], t0); 2933 break; 2934 case OPC_ROTRV: 2935 { 2936 TCGv_i32 t2 = tcg_temp_new_i32(); 2937 TCGv_i32 t3 = tcg_temp_new_i32(); 2938 2939 tcg_gen_trunc_tl_i32(t2, t0); 2940 tcg_gen_trunc_tl_i32(t3, t1); 2941 tcg_gen_andi_i32(t2, t2, 0x1f); 2942 tcg_gen_rotr_i32(t2, t3, t2); 2943 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 2944 tcg_temp_free_i32(t2); 2945 tcg_temp_free_i32(t3); 2946 } 2947 break; 2948 #if defined(TARGET_MIPS64) 2949 case OPC_DSLLV: 2950 tcg_gen_andi_tl(t0, t0, 0x3f); 2951 tcg_gen_shl_tl(cpu_gpr[rd], t1, t0); 2952 break; 2953 case OPC_DSRAV: 2954 tcg_gen_andi_tl(t0, t0, 0x3f); 2955 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); 2956 break; 2957 case OPC_DSRLV: 2958 tcg_gen_andi_tl(t0, t0, 0x3f); 2959 tcg_gen_shr_tl(cpu_gpr[rd], t1, t0); 2960 break; 2961 case OPC_DROTRV: 2962 tcg_gen_andi_tl(t0, t0, 0x3f); 2963 tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0); 2964 break; 2965 #endif 2966 } 2967 tcg_temp_free(t0); 2968 tcg_temp_free(t1); 2969 } 2970 2971 /* Arithmetic on HI/LO registers */ 2972 static void gen_HILO(DisasContext *ctx, uint32_t opc, int acc, int reg) 2973 { 2974 if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) { 2975 /* Treat as NOP. */ 2976 return; 2977 } 2978 2979 if (acc != 0) { 2980 check_dsp(ctx); 2981 } 2982 2983 switch (opc) { 2984 case OPC_MFHI: 2985 #if defined(TARGET_MIPS64) 2986 if (acc != 0) { 2987 tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_HI[acc]); 2988 } else 2989 #endif 2990 { 2991 tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[acc]); 2992 } 2993 break; 2994 case OPC_MFLO: 2995 #if defined(TARGET_MIPS64) 2996 if (acc != 0) { 2997 tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_LO[acc]); 2998 } else 2999 #endif 3000 { 3001 tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[acc]); 3002 } 3003 break; 3004 case OPC_MTHI: 3005 if (reg != 0) { 3006 #if defined(TARGET_MIPS64) 3007 if (acc != 0) { 3008 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_gpr[reg]); 3009 } else 3010 #endif 3011 { 3012 tcg_gen_mov_tl(cpu_HI[acc], cpu_gpr[reg]); 3013 } 3014 } else { 3015 tcg_gen_movi_tl(cpu_HI[acc], 0); 3016 } 3017 break; 3018 case OPC_MTLO: 3019 if (reg != 0) { 3020 #if defined(TARGET_MIPS64) 3021 if (acc != 0) { 3022 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_gpr[reg]); 3023 } else 3024 #endif 3025 { 3026 tcg_gen_mov_tl(cpu_LO[acc], cpu_gpr[reg]); 3027 } 3028 } else { 3029 tcg_gen_movi_tl(cpu_LO[acc], 0); 3030 } 3031 break; 3032 } 3033 } 3034 3035 static inline void gen_r6_ld(target_long addr, int reg, int memidx, 3036 MemOp memop) 3037 { 3038 TCGv t0 = tcg_const_tl(addr); 3039 tcg_gen_qemu_ld_tl(t0, t0, memidx, memop); 3040 gen_store_gpr(t0, reg); 3041 tcg_temp_free(t0); 3042 } 3043 3044 static inline void gen_pcrel(DisasContext *ctx, int opc, target_ulong pc, 3045 int rs) 3046 { 3047 target_long offset; 3048 target_long addr; 3049 3050 switch (MASK_OPC_PCREL_TOP2BITS(opc)) { 3051 case OPC_ADDIUPC: 3052 if (rs != 0) { 3053 offset = sextract32(ctx->opcode << 2, 0, 21); 3054 addr = addr_add(ctx, pc, offset); 3055 tcg_gen_movi_tl(cpu_gpr[rs], addr); 3056 } 3057 break; 3058 case R6_OPC_LWPC: 3059 offset = sextract32(ctx->opcode << 2, 0, 21); 3060 addr = addr_add(ctx, pc, offset); 3061 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TESL); 3062 break; 3063 #if defined(TARGET_MIPS64) 3064 case OPC_LWUPC: 3065 check_mips_64(ctx); 3066 offset = sextract32(ctx->opcode << 2, 0, 21); 3067 addr = addr_add(ctx, pc, offset); 3068 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TEUL); 3069 break; 3070 #endif 3071 default: 3072 switch (MASK_OPC_PCREL_TOP5BITS(opc)) { 3073 case OPC_AUIPC: 3074 if (rs != 0) { 3075 offset = sextract32(ctx->opcode, 0, 16) << 16; 3076 addr = addr_add(ctx, pc, offset); 3077 tcg_gen_movi_tl(cpu_gpr[rs], addr); 3078 } 3079 break; 3080 case OPC_ALUIPC: 3081 if (rs != 0) { 3082 offset = sextract32(ctx->opcode, 0, 16) << 16; 3083 addr = ~0xFFFF & addr_add(ctx, pc, offset); 3084 tcg_gen_movi_tl(cpu_gpr[rs], addr); 3085 } 3086 break; 3087 #if defined(TARGET_MIPS64) 3088 case R6_OPC_LDPC: /* bits 16 and 17 are part of immediate */ 3089 case R6_OPC_LDPC + (1 << 16): 3090 case R6_OPC_LDPC + (2 << 16): 3091 case R6_OPC_LDPC + (3 << 16): 3092 check_mips_64(ctx); 3093 offset = sextract32(ctx->opcode << 3, 0, 21); 3094 addr = addr_add(ctx, (pc & ~0x7), offset); 3095 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TEQ); 3096 break; 3097 #endif 3098 default: 3099 MIPS_INVAL("OPC_PCREL"); 3100 gen_reserved_instruction(ctx); 3101 break; 3102 } 3103 break; 3104 } 3105 } 3106 3107 static void gen_r6_muldiv(DisasContext *ctx, int opc, int rd, int rs, int rt) 3108 { 3109 TCGv t0, t1; 3110 3111 if (rd == 0) { 3112 /* Treat as NOP. */ 3113 return; 3114 } 3115 3116 t0 = tcg_temp_new(); 3117 t1 = tcg_temp_new(); 3118 3119 gen_load_gpr(t0, rs); 3120 gen_load_gpr(t1, rt); 3121 3122 switch (opc) { 3123 case R6_OPC_DIV: 3124 { 3125 TCGv t2 = tcg_temp_new(); 3126 TCGv t3 = tcg_temp_new(); 3127 tcg_gen_ext32s_tl(t0, t0); 3128 tcg_gen_ext32s_tl(t1, t1); 3129 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN); 3130 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1); 3131 tcg_gen_and_tl(t2, t2, t3); 3132 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3133 tcg_gen_or_tl(t2, t2, t3); 3134 tcg_gen_movi_tl(t3, 0); 3135 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3136 tcg_gen_div_tl(cpu_gpr[rd], t0, t1); 3137 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3138 tcg_temp_free(t3); 3139 tcg_temp_free(t2); 3140 } 3141 break; 3142 case R6_OPC_MOD: 3143 { 3144 TCGv t2 = tcg_temp_new(); 3145 TCGv t3 = tcg_temp_new(); 3146 tcg_gen_ext32s_tl(t0, t0); 3147 tcg_gen_ext32s_tl(t1, t1); 3148 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN); 3149 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1); 3150 tcg_gen_and_tl(t2, t2, t3); 3151 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3152 tcg_gen_or_tl(t2, t2, t3); 3153 tcg_gen_movi_tl(t3, 0); 3154 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3155 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); 3156 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3157 tcg_temp_free(t3); 3158 tcg_temp_free(t2); 3159 } 3160 break; 3161 case R6_OPC_DIVU: 3162 { 3163 TCGv t2 = tcg_const_tl(0); 3164 TCGv t3 = tcg_const_tl(1); 3165 tcg_gen_ext32u_tl(t0, t0); 3166 tcg_gen_ext32u_tl(t1, t1); 3167 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3168 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); 3169 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3170 tcg_temp_free(t3); 3171 tcg_temp_free(t2); 3172 } 3173 break; 3174 case R6_OPC_MODU: 3175 { 3176 TCGv t2 = tcg_const_tl(0); 3177 TCGv t3 = tcg_const_tl(1); 3178 tcg_gen_ext32u_tl(t0, t0); 3179 tcg_gen_ext32u_tl(t1, t1); 3180 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3181 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); 3182 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3183 tcg_temp_free(t3); 3184 tcg_temp_free(t2); 3185 } 3186 break; 3187 case R6_OPC_MUL: 3188 { 3189 TCGv_i32 t2 = tcg_temp_new_i32(); 3190 TCGv_i32 t3 = tcg_temp_new_i32(); 3191 tcg_gen_trunc_tl_i32(t2, t0); 3192 tcg_gen_trunc_tl_i32(t3, t1); 3193 tcg_gen_mul_i32(t2, t2, t3); 3194 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 3195 tcg_temp_free_i32(t2); 3196 tcg_temp_free_i32(t3); 3197 } 3198 break; 3199 case R6_OPC_MUH: 3200 { 3201 TCGv_i32 t2 = tcg_temp_new_i32(); 3202 TCGv_i32 t3 = tcg_temp_new_i32(); 3203 tcg_gen_trunc_tl_i32(t2, t0); 3204 tcg_gen_trunc_tl_i32(t3, t1); 3205 tcg_gen_muls2_i32(t2, t3, t2, t3); 3206 tcg_gen_ext_i32_tl(cpu_gpr[rd], t3); 3207 tcg_temp_free_i32(t2); 3208 tcg_temp_free_i32(t3); 3209 } 3210 break; 3211 case R6_OPC_MULU: 3212 { 3213 TCGv_i32 t2 = tcg_temp_new_i32(); 3214 TCGv_i32 t3 = tcg_temp_new_i32(); 3215 tcg_gen_trunc_tl_i32(t2, t0); 3216 tcg_gen_trunc_tl_i32(t3, t1); 3217 tcg_gen_mul_i32(t2, t2, t3); 3218 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 3219 tcg_temp_free_i32(t2); 3220 tcg_temp_free_i32(t3); 3221 } 3222 break; 3223 case R6_OPC_MUHU: 3224 { 3225 TCGv_i32 t2 = tcg_temp_new_i32(); 3226 TCGv_i32 t3 = tcg_temp_new_i32(); 3227 tcg_gen_trunc_tl_i32(t2, t0); 3228 tcg_gen_trunc_tl_i32(t3, t1); 3229 tcg_gen_mulu2_i32(t2, t3, t2, t3); 3230 tcg_gen_ext_i32_tl(cpu_gpr[rd], t3); 3231 tcg_temp_free_i32(t2); 3232 tcg_temp_free_i32(t3); 3233 } 3234 break; 3235 #if defined(TARGET_MIPS64) 3236 case R6_OPC_DDIV: 3237 { 3238 TCGv t2 = tcg_temp_new(); 3239 TCGv t3 = tcg_temp_new(); 3240 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63); 3241 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL); 3242 tcg_gen_and_tl(t2, t2, t3); 3243 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3244 tcg_gen_or_tl(t2, t2, t3); 3245 tcg_gen_movi_tl(t3, 0); 3246 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3247 tcg_gen_div_tl(cpu_gpr[rd], t0, t1); 3248 tcg_temp_free(t3); 3249 tcg_temp_free(t2); 3250 } 3251 break; 3252 case R6_OPC_DMOD: 3253 { 3254 TCGv t2 = tcg_temp_new(); 3255 TCGv t3 = tcg_temp_new(); 3256 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63); 3257 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL); 3258 tcg_gen_and_tl(t2, t2, t3); 3259 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3260 tcg_gen_or_tl(t2, t2, t3); 3261 tcg_gen_movi_tl(t3, 0); 3262 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3263 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); 3264 tcg_temp_free(t3); 3265 tcg_temp_free(t2); 3266 } 3267 break; 3268 case R6_OPC_DDIVU: 3269 { 3270 TCGv t2 = tcg_const_tl(0); 3271 TCGv t3 = tcg_const_tl(1); 3272 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3273 tcg_gen_divu_i64(cpu_gpr[rd], t0, t1); 3274 tcg_temp_free(t3); 3275 tcg_temp_free(t2); 3276 } 3277 break; 3278 case R6_OPC_DMODU: 3279 { 3280 TCGv t2 = tcg_const_tl(0); 3281 TCGv t3 = tcg_const_tl(1); 3282 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3283 tcg_gen_remu_i64(cpu_gpr[rd], t0, t1); 3284 tcg_temp_free(t3); 3285 tcg_temp_free(t2); 3286 } 3287 break; 3288 case R6_OPC_DMUL: 3289 tcg_gen_mul_i64(cpu_gpr[rd], t0, t1); 3290 break; 3291 case R6_OPC_DMUH: 3292 { 3293 TCGv t2 = tcg_temp_new(); 3294 tcg_gen_muls2_i64(t2, cpu_gpr[rd], t0, t1); 3295 tcg_temp_free(t2); 3296 } 3297 break; 3298 case R6_OPC_DMULU: 3299 tcg_gen_mul_i64(cpu_gpr[rd], t0, t1); 3300 break; 3301 case R6_OPC_DMUHU: 3302 { 3303 TCGv t2 = tcg_temp_new(); 3304 tcg_gen_mulu2_i64(t2, cpu_gpr[rd], t0, t1); 3305 tcg_temp_free(t2); 3306 } 3307 break; 3308 #endif 3309 default: 3310 MIPS_INVAL("r6 mul/div"); 3311 gen_reserved_instruction(ctx); 3312 goto out; 3313 } 3314 out: 3315 tcg_temp_free(t0); 3316 tcg_temp_free(t1); 3317 } 3318 3319 #if defined(TARGET_MIPS64) 3320 static void gen_div1_tx79(DisasContext *ctx, uint32_t opc, int rs, int rt) 3321 { 3322 TCGv t0, t1; 3323 3324 t0 = tcg_temp_new(); 3325 t1 = tcg_temp_new(); 3326 3327 gen_load_gpr(t0, rs); 3328 gen_load_gpr(t1, rt); 3329 3330 switch (opc) { 3331 case MMI_OPC_DIV1: 3332 { 3333 TCGv t2 = tcg_temp_new(); 3334 TCGv t3 = tcg_temp_new(); 3335 tcg_gen_ext32s_tl(t0, t0); 3336 tcg_gen_ext32s_tl(t1, t1); 3337 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN); 3338 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1); 3339 tcg_gen_and_tl(t2, t2, t3); 3340 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3341 tcg_gen_or_tl(t2, t2, t3); 3342 tcg_gen_movi_tl(t3, 0); 3343 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3344 tcg_gen_div_tl(cpu_LO[1], t0, t1); 3345 tcg_gen_rem_tl(cpu_HI[1], t0, t1); 3346 tcg_gen_ext32s_tl(cpu_LO[1], cpu_LO[1]); 3347 tcg_gen_ext32s_tl(cpu_HI[1], cpu_HI[1]); 3348 tcg_temp_free(t3); 3349 tcg_temp_free(t2); 3350 } 3351 break; 3352 case MMI_OPC_DIVU1: 3353 { 3354 TCGv t2 = tcg_const_tl(0); 3355 TCGv t3 = tcg_const_tl(1); 3356 tcg_gen_ext32u_tl(t0, t0); 3357 tcg_gen_ext32u_tl(t1, t1); 3358 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3359 tcg_gen_divu_tl(cpu_LO[1], t0, t1); 3360 tcg_gen_remu_tl(cpu_HI[1], t0, t1); 3361 tcg_gen_ext32s_tl(cpu_LO[1], cpu_LO[1]); 3362 tcg_gen_ext32s_tl(cpu_HI[1], cpu_HI[1]); 3363 tcg_temp_free(t3); 3364 tcg_temp_free(t2); 3365 } 3366 break; 3367 default: 3368 MIPS_INVAL("div1 TX79"); 3369 gen_reserved_instruction(ctx); 3370 goto out; 3371 } 3372 out: 3373 tcg_temp_free(t0); 3374 tcg_temp_free(t1); 3375 } 3376 #endif 3377 3378 static void gen_muldiv(DisasContext *ctx, uint32_t opc, 3379 int acc, int rs, int rt) 3380 { 3381 TCGv t0, t1; 3382 3383 t0 = tcg_temp_new(); 3384 t1 = tcg_temp_new(); 3385 3386 gen_load_gpr(t0, rs); 3387 gen_load_gpr(t1, rt); 3388 3389 if (acc != 0) { 3390 check_dsp(ctx); 3391 } 3392 3393 switch (opc) { 3394 case OPC_DIV: 3395 { 3396 TCGv t2 = tcg_temp_new(); 3397 TCGv t3 = tcg_temp_new(); 3398 tcg_gen_ext32s_tl(t0, t0); 3399 tcg_gen_ext32s_tl(t1, t1); 3400 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN); 3401 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1); 3402 tcg_gen_and_tl(t2, t2, t3); 3403 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3404 tcg_gen_or_tl(t2, t2, t3); 3405 tcg_gen_movi_tl(t3, 0); 3406 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3407 tcg_gen_div_tl(cpu_LO[acc], t0, t1); 3408 tcg_gen_rem_tl(cpu_HI[acc], t0, t1); 3409 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]); 3410 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_HI[acc]); 3411 tcg_temp_free(t3); 3412 tcg_temp_free(t2); 3413 } 3414 break; 3415 case OPC_DIVU: 3416 { 3417 TCGv t2 = tcg_const_tl(0); 3418 TCGv t3 = tcg_const_tl(1); 3419 tcg_gen_ext32u_tl(t0, t0); 3420 tcg_gen_ext32u_tl(t1, t1); 3421 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3422 tcg_gen_divu_tl(cpu_LO[acc], t0, t1); 3423 tcg_gen_remu_tl(cpu_HI[acc], t0, t1); 3424 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]); 3425 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_HI[acc]); 3426 tcg_temp_free(t3); 3427 tcg_temp_free(t2); 3428 } 3429 break; 3430 case OPC_MULT: 3431 { 3432 TCGv_i32 t2 = tcg_temp_new_i32(); 3433 TCGv_i32 t3 = tcg_temp_new_i32(); 3434 tcg_gen_trunc_tl_i32(t2, t0); 3435 tcg_gen_trunc_tl_i32(t3, t1); 3436 tcg_gen_muls2_i32(t2, t3, t2, t3); 3437 tcg_gen_ext_i32_tl(cpu_LO[acc], t2); 3438 tcg_gen_ext_i32_tl(cpu_HI[acc], t3); 3439 tcg_temp_free_i32(t2); 3440 tcg_temp_free_i32(t3); 3441 } 3442 break; 3443 case OPC_MULTU: 3444 { 3445 TCGv_i32 t2 = tcg_temp_new_i32(); 3446 TCGv_i32 t3 = tcg_temp_new_i32(); 3447 tcg_gen_trunc_tl_i32(t2, t0); 3448 tcg_gen_trunc_tl_i32(t3, t1); 3449 tcg_gen_mulu2_i32(t2, t3, t2, t3); 3450 tcg_gen_ext_i32_tl(cpu_LO[acc], t2); 3451 tcg_gen_ext_i32_tl(cpu_HI[acc], t3); 3452 tcg_temp_free_i32(t2); 3453 tcg_temp_free_i32(t3); 3454 } 3455 break; 3456 #if defined(TARGET_MIPS64) 3457 case OPC_DDIV: 3458 { 3459 TCGv t2 = tcg_temp_new(); 3460 TCGv t3 = tcg_temp_new(); 3461 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63); 3462 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL); 3463 tcg_gen_and_tl(t2, t2, t3); 3464 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3465 tcg_gen_or_tl(t2, t2, t3); 3466 tcg_gen_movi_tl(t3, 0); 3467 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3468 tcg_gen_div_tl(cpu_LO[acc], t0, t1); 3469 tcg_gen_rem_tl(cpu_HI[acc], t0, t1); 3470 tcg_temp_free(t3); 3471 tcg_temp_free(t2); 3472 } 3473 break; 3474 case OPC_DDIVU: 3475 { 3476 TCGv t2 = tcg_const_tl(0); 3477 TCGv t3 = tcg_const_tl(1); 3478 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3479 tcg_gen_divu_i64(cpu_LO[acc], t0, t1); 3480 tcg_gen_remu_i64(cpu_HI[acc], t0, t1); 3481 tcg_temp_free(t3); 3482 tcg_temp_free(t2); 3483 } 3484 break; 3485 case OPC_DMULT: 3486 tcg_gen_muls2_i64(cpu_LO[acc], cpu_HI[acc], t0, t1); 3487 break; 3488 case OPC_DMULTU: 3489 tcg_gen_mulu2_i64(cpu_LO[acc], cpu_HI[acc], t0, t1); 3490 break; 3491 #endif 3492 case OPC_MADD: 3493 { 3494 TCGv_i64 t2 = tcg_temp_new_i64(); 3495 TCGv_i64 t3 = tcg_temp_new_i64(); 3496 3497 tcg_gen_ext_tl_i64(t2, t0); 3498 tcg_gen_ext_tl_i64(t3, t1); 3499 tcg_gen_mul_i64(t2, t2, t3); 3500 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3501 tcg_gen_add_i64(t2, t2, t3); 3502 tcg_temp_free_i64(t3); 3503 gen_move_low32(cpu_LO[acc], t2); 3504 gen_move_high32(cpu_HI[acc], t2); 3505 tcg_temp_free_i64(t2); 3506 } 3507 break; 3508 case OPC_MADDU: 3509 { 3510 TCGv_i64 t2 = tcg_temp_new_i64(); 3511 TCGv_i64 t3 = tcg_temp_new_i64(); 3512 3513 tcg_gen_ext32u_tl(t0, t0); 3514 tcg_gen_ext32u_tl(t1, t1); 3515 tcg_gen_extu_tl_i64(t2, t0); 3516 tcg_gen_extu_tl_i64(t3, t1); 3517 tcg_gen_mul_i64(t2, t2, t3); 3518 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3519 tcg_gen_add_i64(t2, t2, t3); 3520 tcg_temp_free_i64(t3); 3521 gen_move_low32(cpu_LO[acc], t2); 3522 gen_move_high32(cpu_HI[acc], t2); 3523 tcg_temp_free_i64(t2); 3524 } 3525 break; 3526 case OPC_MSUB: 3527 { 3528 TCGv_i64 t2 = tcg_temp_new_i64(); 3529 TCGv_i64 t3 = tcg_temp_new_i64(); 3530 3531 tcg_gen_ext_tl_i64(t2, t0); 3532 tcg_gen_ext_tl_i64(t3, t1); 3533 tcg_gen_mul_i64(t2, t2, t3); 3534 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3535 tcg_gen_sub_i64(t2, t3, t2); 3536 tcg_temp_free_i64(t3); 3537 gen_move_low32(cpu_LO[acc], t2); 3538 gen_move_high32(cpu_HI[acc], t2); 3539 tcg_temp_free_i64(t2); 3540 } 3541 break; 3542 case OPC_MSUBU: 3543 { 3544 TCGv_i64 t2 = tcg_temp_new_i64(); 3545 TCGv_i64 t3 = tcg_temp_new_i64(); 3546 3547 tcg_gen_ext32u_tl(t0, t0); 3548 tcg_gen_ext32u_tl(t1, t1); 3549 tcg_gen_extu_tl_i64(t2, t0); 3550 tcg_gen_extu_tl_i64(t3, t1); 3551 tcg_gen_mul_i64(t2, t2, t3); 3552 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3553 tcg_gen_sub_i64(t2, t3, t2); 3554 tcg_temp_free_i64(t3); 3555 gen_move_low32(cpu_LO[acc], t2); 3556 gen_move_high32(cpu_HI[acc], t2); 3557 tcg_temp_free_i64(t2); 3558 } 3559 break; 3560 default: 3561 MIPS_INVAL("mul/div"); 3562 gen_reserved_instruction(ctx); 3563 goto out; 3564 } 3565 out: 3566 tcg_temp_free(t0); 3567 tcg_temp_free(t1); 3568 } 3569 3570 /* 3571 * These MULT[U] and MADD[U] instructions implemented in for example 3572 * the Toshiba/Sony R5900 and the Toshiba TX19, TX39 and TX79 core 3573 * architectures are special three-operand variants with the syntax 3574 * 3575 * MULT[U][1] rd, rs, rt 3576 * 3577 * such that 3578 * 3579 * (rd, LO, HI) <- rs * rt 3580 * 3581 * and 3582 * 3583 * MADD[U][1] rd, rs, rt 3584 * 3585 * such that 3586 * 3587 * (rd, LO, HI) <- (LO, HI) + rs * rt 3588 * 3589 * where the low-order 32-bits of the result is placed into both the 3590 * GPR rd and the special register LO. The high-order 32-bits of the 3591 * result is placed into the special register HI. 3592 * 3593 * If the GPR rd is omitted in assembly language, it is taken to be 0, 3594 * which is the zero register that always reads as 0. 3595 */ 3596 static void gen_mul_txx9(DisasContext *ctx, uint32_t opc, 3597 int rd, int rs, int rt) 3598 { 3599 TCGv t0 = tcg_temp_new(); 3600 TCGv t1 = tcg_temp_new(); 3601 int acc = 0; 3602 3603 gen_load_gpr(t0, rs); 3604 gen_load_gpr(t1, rt); 3605 3606 switch (opc) { 3607 case MMI_OPC_MULT1: 3608 acc = 1; 3609 /* Fall through */ 3610 case OPC_MULT: 3611 { 3612 TCGv_i32 t2 = tcg_temp_new_i32(); 3613 TCGv_i32 t3 = tcg_temp_new_i32(); 3614 tcg_gen_trunc_tl_i32(t2, t0); 3615 tcg_gen_trunc_tl_i32(t3, t1); 3616 tcg_gen_muls2_i32(t2, t3, t2, t3); 3617 if (rd) { 3618 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 3619 } 3620 tcg_gen_ext_i32_tl(cpu_LO[acc], t2); 3621 tcg_gen_ext_i32_tl(cpu_HI[acc], t3); 3622 tcg_temp_free_i32(t2); 3623 tcg_temp_free_i32(t3); 3624 } 3625 break; 3626 case MMI_OPC_MULTU1: 3627 acc = 1; 3628 /* Fall through */ 3629 case OPC_MULTU: 3630 { 3631 TCGv_i32 t2 = tcg_temp_new_i32(); 3632 TCGv_i32 t3 = tcg_temp_new_i32(); 3633 tcg_gen_trunc_tl_i32(t2, t0); 3634 tcg_gen_trunc_tl_i32(t3, t1); 3635 tcg_gen_mulu2_i32(t2, t3, t2, t3); 3636 if (rd) { 3637 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 3638 } 3639 tcg_gen_ext_i32_tl(cpu_LO[acc], t2); 3640 tcg_gen_ext_i32_tl(cpu_HI[acc], t3); 3641 tcg_temp_free_i32(t2); 3642 tcg_temp_free_i32(t3); 3643 } 3644 break; 3645 case MMI_OPC_MADD1: 3646 acc = 1; 3647 /* Fall through */ 3648 case MMI_OPC_MADD: 3649 { 3650 TCGv_i64 t2 = tcg_temp_new_i64(); 3651 TCGv_i64 t3 = tcg_temp_new_i64(); 3652 3653 tcg_gen_ext_tl_i64(t2, t0); 3654 tcg_gen_ext_tl_i64(t3, t1); 3655 tcg_gen_mul_i64(t2, t2, t3); 3656 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3657 tcg_gen_add_i64(t2, t2, t3); 3658 tcg_temp_free_i64(t3); 3659 gen_move_low32(cpu_LO[acc], t2); 3660 gen_move_high32(cpu_HI[acc], t2); 3661 if (rd) { 3662 gen_move_low32(cpu_gpr[rd], t2); 3663 } 3664 tcg_temp_free_i64(t2); 3665 } 3666 break; 3667 case MMI_OPC_MADDU1: 3668 acc = 1; 3669 /* Fall through */ 3670 case MMI_OPC_MADDU: 3671 { 3672 TCGv_i64 t2 = tcg_temp_new_i64(); 3673 TCGv_i64 t3 = tcg_temp_new_i64(); 3674 3675 tcg_gen_ext32u_tl(t0, t0); 3676 tcg_gen_ext32u_tl(t1, t1); 3677 tcg_gen_extu_tl_i64(t2, t0); 3678 tcg_gen_extu_tl_i64(t3, t1); 3679 tcg_gen_mul_i64(t2, t2, t3); 3680 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3681 tcg_gen_add_i64(t2, t2, t3); 3682 tcg_temp_free_i64(t3); 3683 gen_move_low32(cpu_LO[acc], t2); 3684 gen_move_high32(cpu_HI[acc], t2); 3685 if (rd) { 3686 gen_move_low32(cpu_gpr[rd], t2); 3687 } 3688 tcg_temp_free_i64(t2); 3689 } 3690 break; 3691 default: 3692 MIPS_INVAL("mul/madd TXx9"); 3693 gen_reserved_instruction(ctx); 3694 goto out; 3695 } 3696 3697 out: 3698 tcg_temp_free(t0); 3699 tcg_temp_free(t1); 3700 } 3701 3702 static void gen_cl(DisasContext *ctx, uint32_t opc, 3703 int rd, int rs) 3704 { 3705 TCGv t0; 3706 3707 if (rd == 0) { 3708 /* Treat as NOP. */ 3709 return; 3710 } 3711 t0 = cpu_gpr[rd]; 3712 gen_load_gpr(t0, rs); 3713 3714 switch (opc) { 3715 case OPC_CLO: 3716 case R6_OPC_CLO: 3717 #if defined(TARGET_MIPS64) 3718 case OPC_DCLO: 3719 case R6_OPC_DCLO: 3720 #endif 3721 tcg_gen_not_tl(t0, t0); 3722 break; 3723 } 3724 3725 switch (opc) { 3726 case OPC_CLO: 3727 case R6_OPC_CLO: 3728 case OPC_CLZ: 3729 case R6_OPC_CLZ: 3730 tcg_gen_ext32u_tl(t0, t0); 3731 tcg_gen_clzi_tl(t0, t0, TARGET_LONG_BITS); 3732 tcg_gen_subi_tl(t0, t0, TARGET_LONG_BITS - 32); 3733 break; 3734 #if defined(TARGET_MIPS64) 3735 case OPC_DCLO: 3736 case R6_OPC_DCLO: 3737 case OPC_DCLZ: 3738 case R6_OPC_DCLZ: 3739 tcg_gen_clzi_i64(t0, t0, 64); 3740 break; 3741 #endif 3742 } 3743 } 3744 3745 /* Godson integer instructions */ 3746 static void gen_loongson_integer(DisasContext *ctx, uint32_t opc, 3747 int rd, int rs, int rt) 3748 { 3749 TCGv t0, t1; 3750 3751 if (rd == 0) { 3752 /* Treat as NOP. */ 3753 return; 3754 } 3755 3756 switch (opc) { 3757 case OPC_MULT_G_2E: 3758 case OPC_MULT_G_2F: 3759 case OPC_MULTU_G_2E: 3760 case OPC_MULTU_G_2F: 3761 #if defined(TARGET_MIPS64) 3762 case OPC_DMULT_G_2E: 3763 case OPC_DMULT_G_2F: 3764 case OPC_DMULTU_G_2E: 3765 case OPC_DMULTU_G_2F: 3766 #endif 3767 t0 = tcg_temp_new(); 3768 t1 = tcg_temp_new(); 3769 break; 3770 default: 3771 t0 = tcg_temp_local_new(); 3772 t1 = tcg_temp_local_new(); 3773 break; 3774 } 3775 3776 gen_load_gpr(t0, rs); 3777 gen_load_gpr(t1, rt); 3778 3779 switch (opc) { 3780 case OPC_MULT_G_2E: 3781 case OPC_MULT_G_2F: 3782 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); 3783 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3784 break; 3785 case OPC_MULTU_G_2E: 3786 case OPC_MULTU_G_2F: 3787 tcg_gen_ext32u_tl(t0, t0); 3788 tcg_gen_ext32u_tl(t1, t1); 3789 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); 3790 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3791 break; 3792 case OPC_DIV_G_2E: 3793 case OPC_DIV_G_2F: 3794 { 3795 TCGLabel *l1 = gen_new_label(); 3796 TCGLabel *l2 = gen_new_label(); 3797 TCGLabel *l3 = gen_new_label(); 3798 tcg_gen_ext32s_tl(t0, t0); 3799 tcg_gen_ext32s_tl(t1, t1); 3800 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3801 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3802 tcg_gen_br(l3); 3803 gen_set_label(l1); 3804 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); 3805 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); 3806 tcg_gen_mov_tl(cpu_gpr[rd], t0); 3807 tcg_gen_br(l3); 3808 gen_set_label(l2); 3809 tcg_gen_div_tl(cpu_gpr[rd], t0, t1); 3810 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3811 gen_set_label(l3); 3812 } 3813 break; 3814 case OPC_DIVU_G_2E: 3815 case OPC_DIVU_G_2F: 3816 { 3817 TCGLabel *l1 = gen_new_label(); 3818 TCGLabel *l2 = gen_new_label(); 3819 tcg_gen_ext32u_tl(t0, t0); 3820 tcg_gen_ext32u_tl(t1, t1); 3821 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3822 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3823 tcg_gen_br(l2); 3824 gen_set_label(l1); 3825 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); 3826 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3827 gen_set_label(l2); 3828 } 3829 break; 3830 case OPC_MOD_G_2E: 3831 case OPC_MOD_G_2F: 3832 { 3833 TCGLabel *l1 = gen_new_label(); 3834 TCGLabel *l2 = gen_new_label(); 3835 TCGLabel *l3 = gen_new_label(); 3836 tcg_gen_ext32u_tl(t0, t0); 3837 tcg_gen_ext32u_tl(t1, t1); 3838 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); 3839 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); 3840 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); 3841 gen_set_label(l1); 3842 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3843 tcg_gen_br(l3); 3844 gen_set_label(l2); 3845 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); 3846 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3847 gen_set_label(l3); 3848 } 3849 break; 3850 case OPC_MODU_G_2E: 3851 case OPC_MODU_G_2F: 3852 { 3853 TCGLabel *l1 = gen_new_label(); 3854 TCGLabel *l2 = gen_new_label(); 3855 tcg_gen_ext32u_tl(t0, t0); 3856 tcg_gen_ext32u_tl(t1, t1); 3857 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3858 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3859 tcg_gen_br(l2); 3860 gen_set_label(l1); 3861 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); 3862 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3863 gen_set_label(l2); 3864 } 3865 break; 3866 #if defined(TARGET_MIPS64) 3867 case OPC_DMULT_G_2E: 3868 case OPC_DMULT_G_2F: 3869 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); 3870 break; 3871 case OPC_DMULTU_G_2E: 3872 case OPC_DMULTU_G_2F: 3873 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); 3874 break; 3875 case OPC_DDIV_G_2E: 3876 case OPC_DDIV_G_2F: 3877 { 3878 TCGLabel *l1 = gen_new_label(); 3879 TCGLabel *l2 = gen_new_label(); 3880 TCGLabel *l3 = gen_new_label(); 3881 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3882 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3883 tcg_gen_br(l3); 3884 gen_set_label(l1); 3885 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); 3886 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); 3887 tcg_gen_mov_tl(cpu_gpr[rd], t0); 3888 tcg_gen_br(l3); 3889 gen_set_label(l2); 3890 tcg_gen_div_tl(cpu_gpr[rd], t0, t1); 3891 gen_set_label(l3); 3892 } 3893 break; 3894 case OPC_DDIVU_G_2E: 3895 case OPC_DDIVU_G_2F: 3896 { 3897 TCGLabel *l1 = gen_new_label(); 3898 TCGLabel *l2 = gen_new_label(); 3899 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3900 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3901 tcg_gen_br(l2); 3902 gen_set_label(l1); 3903 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); 3904 gen_set_label(l2); 3905 } 3906 break; 3907 case OPC_DMOD_G_2E: 3908 case OPC_DMOD_G_2F: 3909 { 3910 TCGLabel *l1 = gen_new_label(); 3911 TCGLabel *l2 = gen_new_label(); 3912 TCGLabel *l3 = gen_new_label(); 3913 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); 3914 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); 3915 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); 3916 gen_set_label(l1); 3917 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3918 tcg_gen_br(l3); 3919 gen_set_label(l2); 3920 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); 3921 gen_set_label(l3); 3922 } 3923 break; 3924 case OPC_DMODU_G_2E: 3925 case OPC_DMODU_G_2F: 3926 { 3927 TCGLabel *l1 = gen_new_label(); 3928 TCGLabel *l2 = gen_new_label(); 3929 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3930 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3931 tcg_gen_br(l2); 3932 gen_set_label(l1); 3933 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); 3934 gen_set_label(l2); 3935 } 3936 break; 3937 #endif 3938 } 3939 3940 tcg_temp_free(t0); 3941 tcg_temp_free(t1); 3942 } 3943 3944 /* Loongson multimedia instructions */ 3945 static void gen_loongson_multimedia(DisasContext *ctx, int rd, int rs, int rt) 3946 { 3947 uint32_t opc, shift_max; 3948 TCGv_i64 t0, t1; 3949 TCGCond cond; 3950 3951 opc = MASK_LMMI(ctx->opcode); 3952 switch (opc) { 3953 case OPC_ADD_CP2: 3954 case OPC_SUB_CP2: 3955 case OPC_DADD_CP2: 3956 case OPC_DSUB_CP2: 3957 t0 = tcg_temp_local_new_i64(); 3958 t1 = tcg_temp_local_new_i64(); 3959 break; 3960 default: 3961 t0 = tcg_temp_new_i64(); 3962 t1 = tcg_temp_new_i64(); 3963 break; 3964 } 3965 3966 check_cp1_enabled(ctx); 3967 gen_load_fpr64(ctx, t0, rs); 3968 gen_load_fpr64(ctx, t1, rt); 3969 3970 switch (opc) { 3971 case OPC_PADDSH: 3972 gen_helper_paddsh(t0, t0, t1); 3973 break; 3974 case OPC_PADDUSH: 3975 gen_helper_paddush(t0, t0, t1); 3976 break; 3977 case OPC_PADDH: 3978 gen_helper_paddh(t0, t0, t1); 3979 break; 3980 case OPC_PADDW: 3981 gen_helper_paddw(t0, t0, t1); 3982 break; 3983 case OPC_PADDSB: 3984 gen_helper_paddsb(t0, t0, t1); 3985 break; 3986 case OPC_PADDUSB: 3987 gen_helper_paddusb(t0, t0, t1); 3988 break; 3989 case OPC_PADDB: 3990 gen_helper_paddb(t0, t0, t1); 3991 break; 3992 3993 case OPC_PSUBSH: 3994 gen_helper_psubsh(t0, t0, t1); 3995 break; 3996 case OPC_PSUBUSH: 3997 gen_helper_psubush(t0, t0, t1); 3998 break; 3999 case OPC_PSUBH: 4000 gen_helper_psubh(t0, t0, t1); 4001 break; 4002 case OPC_PSUBW: 4003 gen_helper_psubw(t0, t0, t1); 4004 break; 4005 case OPC_PSUBSB: 4006 gen_helper_psubsb(t0, t0, t1); 4007 break; 4008 case OPC_PSUBUSB: 4009 gen_helper_psubusb(t0, t0, t1); 4010 break; 4011 case OPC_PSUBB: 4012 gen_helper_psubb(t0, t0, t1); 4013 break; 4014 4015 case OPC_PSHUFH: 4016 gen_helper_pshufh(t0, t0, t1); 4017 break; 4018 case OPC_PACKSSWH: 4019 gen_helper_packsswh(t0, t0, t1); 4020 break; 4021 case OPC_PACKSSHB: 4022 gen_helper_packsshb(t0, t0, t1); 4023 break; 4024 case OPC_PACKUSHB: 4025 gen_helper_packushb(t0, t0, t1); 4026 break; 4027 4028 case OPC_PUNPCKLHW: 4029 gen_helper_punpcklhw(t0, t0, t1); 4030 break; 4031 case OPC_PUNPCKHHW: 4032 gen_helper_punpckhhw(t0, t0, t1); 4033 break; 4034 case OPC_PUNPCKLBH: 4035 gen_helper_punpcklbh(t0, t0, t1); 4036 break; 4037 case OPC_PUNPCKHBH: 4038 gen_helper_punpckhbh(t0, t0, t1); 4039 break; 4040 case OPC_PUNPCKLWD: 4041 gen_helper_punpcklwd(t0, t0, t1); 4042 break; 4043 case OPC_PUNPCKHWD: 4044 gen_helper_punpckhwd(t0, t0, t1); 4045 break; 4046 4047 case OPC_PAVGH: 4048 gen_helper_pavgh(t0, t0, t1); 4049 break; 4050 case OPC_PAVGB: 4051 gen_helper_pavgb(t0, t0, t1); 4052 break; 4053 case OPC_PMAXSH: 4054 gen_helper_pmaxsh(t0, t0, t1); 4055 break; 4056 case OPC_PMINSH: 4057 gen_helper_pminsh(t0, t0, t1); 4058 break; 4059 case OPC_PMAXUB: 4060 gen_helper_pmaxub(t0, t0, t1); 4061 break; 4062 case OPC_PMINUB: 4063 gen_helper_pminub(t0, t0, t1); 4064 break; 4065 4066 case OPC_PCMPEQW: 4067 gen_helper_pcmpeqw(t0, t0, t1); 4068 break; 4069 case OPC_PCMPGTW: 4070 gen_helper_pcmpgtw(t0, t0, t1); 4071 break; 4072 case OPC_PCMPEQH: 4073 gen_helper_pcmpeqh(t0, t0, t1); 4074 break; 4075 case OPC_PCMPGTH: 4076 gen_helper_pcmpgth(t0, t0, t1); 4077 break; 4078 case OPC_PCMPEQB: 4079 gen_helper_pcmpeqb(t0, t0, t1); 4080 break; 4081 case OPC_PCMPGTB: 4082 gen_helper_pcmpgtb(t0, t0, t1); 4083 break; 4084 4085 case OPC_PSLLW: 4086 gen_helper_psllw(t0, t0, t1); 4087 break; 4088 case OPC_PSLLH: 4089 gen_helper_psllh(t0, t0, t1); 4090 break; 4091 case OPC_PSRLW: 4092 gen_helper_psrlw(t0, t0, t1); 4093 break; 4094 case OPC_PSRLH: 4095 gen_helper_psrlh(t0, t0, t1); 4096 break; 4097 case OPC_PSRAW: 4098 gen_helper_psraw(t0, t0, t1); 4099 break; 4100 case OPC_PSRAH: 4101 gen_helper_psrah(t0, t0, t1); 4102 break; 4103 4104 case OPC_PMULLH: 4105 gen_helper_pmullh(t0, t0, t1); 4106 break; 4107 case OPC_PMULHH: 4108 gen_helper_pmulhh(t0, t0, t1); 4109 break; 4110 case OPC_PMULHUH: 4111 gen_helper_pmulhuh(t0, t0, t1); 4112 break; 4113 case OPC_PMADDHW: 4114 gen_helper_pmaddhw(t0, t0, t1); 4115 break; 4116 4117 case OPC_PASUBUB: 4118 gen_helper_pasubub(t0, t0, t1); 4119 break; 4120 case OPC_BIADD: 4121 gen_helper_biadd(t0, t0); 4122 break; 4123 case OPC_PMOVMSKB: 4124 gen_helper_pmovmskb(t0, t0); 4125 break; 4126 4127 case OPC_PADDD: 4128 tcg_gen_add_i64(t0, t0, t1); 4129 break; 4130 case OPC_PSUBD: 4131 tcg_gen_sub_i64(t0, t0, t1); 4132 break; 4133 case OPC_XOR_CP2: 4134 tcg_gen_xor_i64(t0, t0, t1); 4135 break; 4136 case OPC_NOR_CP2: 4137 tcg_gen_nor_i64(t0, t0, t1); 4138 break; 4139 case OPC_AND_CP2: 4140 tcg_gen_and_i64(t0, t0, t1); 4141 break; 4142 case OPC_OR_CP2: 4143 tcg_gen_or_i64(t0, t0, t1); 4144 break; 4145 4146 case OPC_PANDN: 4147 tcg_gen_andc_i64(t0, t1, t0); 4148 break; 4149 4150 case OPC_PINSRH_0: 4151 tcg_gen_deposit_i64(t0, t0, t1, 0, 16); 4152 break; 4153 case OPC_PINSRH_1: 4154 tcg_gen_deposit_i64(t0, t0, t1, 16, 16); 4155 break; 4156 case OPC_PINSRH_2: 4157 tcg_gen_deposit_i64(t0, t0, t1, 32, 16); 4158 break; 4159 case OPC_PINSRH_3: 4160 tcg_gen_deposit_i64(t0, t0, t1, 48, 16); 4161 break; 4162 4163 case OPC_PEXTRH: 4164 tcg_gen_andi_i64(t1, t1, 3); 4165 tcg_gen_shli_i64(t1, t1, 4); 4166 tcg_gen_shr_i64(t0, t0, t1); 4167 tcg_gen_ext16u_i64(t0, t0); 4168 break; 4169 4170 case OPC_ADDU_CP2: 4171 tcg_gen_add_i64(t0, t0, t1); 4172 tcg_gen_ext32s_i64(t0, t0); 4173 break; 4174 case OPC_SUBU_CP2: 4175 tcg_gen_sub_i64(t0, t0, t1); 4176 tcg_gen_ext32s_i64(t0, t0); 4177 break; 4178 4179 case OPC_SLL_CP2: 4180 shift_max = 32; 4181 goto do_shift; 4182 case OPC_SRL_CP2: 4183 shift_max = 32; 4184 goto do_shift; 4185 case OPC_SRA_CP2: 4186 shift_max = 32; 4187 goto do_shift; 4188 case OPC_DSLL_CP2: 4189 shift_max = 64; 4190 goto do_shift; 4191 case OPC_DSRL_CP2: 4192 shift_max = 64; 4193 goto do_shift; 4194 case OPC_DSRA_CP2: 4195 shift_max = 64; 4196 goto do_shift; 4197 do_shift: 4198 /* Make sure shift count isn't TCG undefined behaviour. */ 4199 tcg_gen_andi_i64(t1, t1, shift_max - 1); 4200 4201 switch (opc) { 4202 case OPC_SLL_CP2: 4203 case OPC_DSLL_CP2: 4204 tcg_gen_shl_i64(t0, t0, t1); 4205 break; 4206 case OPC_SRA_CP2: 4207 case OPC_DSRA_CP2: 4208 /* 4209 * Since SRA is UndefinedResult without sign-extended inputs, 4210 * we can treat SRA and DSRA the same. 4211 */ 4212 tcg_gen_sar_i64(t0, t0, t1); 4213 break; 4214 case OPC_SRL_CP2: 4215 /* We want to shift in zeros for SRL; zero-extend first. */ 4216 tcg_gen_ext32u_i64(t0, t0); 4217 /* FALLTHRU */ 4218 case OPC_DSRL_CP2: 4219 tcg_gen_shr_i64(t0, t0, t1); 4220 break; 4221 } 4222 4223 if (shift_max == 32) { 4224 tcg_gen_ext32s_i64(t0, t0); 4225 } 4226 4227 /* Shifts larger than MAX produce zero. */ 4228 tcg_gen_setcondi_i64(TCG_COND_LTU, t1, t1, shift_max); 4229 tcg_gen_neg_i64(t1, t1); 4230 tcg_gen_and_i64(t0, t0, t1); 4231 break; 4232 4233 case OPC_ADD_CP2: 4234 case OPC_DADD_CP2: 4235 { 4236 TCGv_i64 t2 = tcg_temp_new_i64(); 4237 TCGLabel *lab = gen_new_label(); 4238 4239 tcg_gen_mov_i64(t2, t0); 4240 tcg_gen_add_i64(t0, t1, t2); 4241 if (opc == OPC_ADD_CP2) { 4242 tcg_gen_ext32s_i64(t0, t0); 4243 } 4244 tcg_gen_xor_i64(t1, t1, t2); 4245 tcg_gen_xor_i64(t2, t2, t0); 4246 tcg_gen_andc_i64(t1, t2, t1); 4247 tcg_temp_free_i64(t2); 4248 tcg_gen_brcondi_i64(TCG_COND_GE, t1, 0, lab); 4249 generate_exception(ctx, EXCP_OVERFLOW); 4250 gen_set_label(lab); 4251 break; 4252 } 4253 4254 case OPC_SUB_CP2: 4255 case OPC_DSUB_CP2: 4256 { 4257 TCGv_i64 t2 = tcg_temp_new_i64(); 4258 TCGLabel *lab = gen_new_label(); 4259 4260 tcg_gen_mov_i64(t2, t0); 4261 tcg_gen_sub_i64(t0, t1, t2); 4262 if (opc == OPC_SUB_CP2) { 4263 tcg_gen_ext32s_i64(t0, t0); 4264 } 4265 tcg_gen_xor_i64(t1, t1, t2); 4266 tcg_gen_xor_i64(t2, t2, t0); 4267 tcg_gen_and_i64(t1, t1, t2); 4268 tcg_temp_free_i64(t2); 4269 tcg_gen_brcondi_i64(TCG_COND_GE, t1, 0, lab); 4270 generate_exception(ctx, EXCP_OVERFLOW); 4271 gen_set_label(lab); 4272 break; 4273 } 4274 4275 case OPC_PMULUW: 4276 tcg_gen_ext32u_i64(t0, t0); 4277 tcg_gen_ext32u_i64(t1, t1); 4278 tcg_gen_mul_i64(t0, t0, t1); 4279 break; 4280 4281 case OPC_SEQU_CP2: 4282 case OPC_SEQ_CP2: 4283 cond = TCG_COND_EQ; 4284 goto do_cc_cond; 4285 break; 4286 case OPC_SLTU_CP2: 4287 cond = TCG_COND_LTU; 4288 goto do_cc_cond; 4289 break; 4290 case OPC_SLT_CP2: 4291 cond = TCG_COND_LT; 4292 goto do_cc_cond; 4293 break; 4294 case OPC_SLEU_CP2: 4295 cond = TCG_COND_LEU; 4296 goto do_cc_cond; 4297 break; 4298 case OPC_SLE_CP2: 4299 cond = TCG_COND_LE; 4300 do_cc_cond: 4301 { 4302 int cc = (ctx->opcode >> 8) & 0x7; 4303 TCGv_i64 t64 = tcg_temp_new_i64(); 4304 TCGv_i32 t32 = tcg_temp_new_i32(); 4305 4306 tcg_gen_setcond_i64(cond, t64, t0, t1); 4307 tcg_gen_extrl_i64_i32(t32, t64); 4308 tcg_gen_deposit_i32(fpu_fcr31, fpu_fcr31, t32, 4309 get_fp_bit(cc), 1); 4310 4311 tcg_temp_free_i32(t32); 4312 tcg_temp_free_i64(t64); 4313 } 4314 goto no_rd; 4315 break; 4316 default: 4317 MIPS_INVAL("loongson_cp2"); 4318 gen_reserved_instruction(ctx); 4319 return; 4320 } 4321 4322 gen_store_fpr64(ctx, t0, rd); 4323 4324 no_rd: 4325 tcg_temp_free_i64(t0); 4326 tcg_temp_free_i64(t1); 4327 } 4328 4329 static void gen_loongson_lswc2(DisasContext *ctx, int rt, 4330 int rs, int rd) 4331 { 4332 TCGv t0, t1, t2; 4333 TCGv_i32 fp0; 4334 #if defined(TARGET_MIPS64) 4335 int lsq_rt1 = ctx->opcode & 0x1f; 4336 int lsq_offset = sextract32(ctx->opcode, 6, 9) << 4; 4337 #endif 4338 int shf_offset = sextract32(ctx->opcode, 6, 8); 4339 4340 t0 = tcg_temp_new(); 4341 4342 switch (MASK_LOONGSON_GSLSQ(ctx->opcode)) { 4343 #if defined(TARGET_MIPS64) 4344 case OPC_GSLQ: 4345 t1 = tcg_temp_new(); 4346 gen_base_offset_addr(ctx, t0, rs, lsq_offset); 4347 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEQ | 4348 ctx->default_tcg_memop_mask); 4349 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); 4350 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ | 4351 ctx->default_tcg_memop_mask); 4352 gen_store_gpr(t1, rt); 4353 gen_store_gpr(t0, lsq_rt1); 4354 tcg_temp_free(t1); 4355 break; 4356 case OPC_GSLQC1: 4357 check_cp1_enabled(ctx); 4358 t1 = tcg_temp_new(); 4359 gen_base_offset_addr(ctx, t0, rs, lsq_offset); 4360 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEQ | 4361 ctx->default_tcg_memop_mask); 4362 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); 4363 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ | 4364 ctx->default_tcg_memop_mask); 4365 gen_store_fpr64(ctx, t1, rt); 4366 gen_store_fpr64(ctx, t0, lsq_rt1); 4367 tcg_temp_free(t1); 4368 break; 4369 case OPC_GSSQ: 4370 t1 = tcg_temp_new(); 4371 gen_base_offset_addr(ctx, t0, rs, lsq_offset); 4372 gen_load_gpr(t1, rt); 4373 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | 4374 ctx->default_tcg_memop_mask); 4375 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); 4376 gen_load_gpr(t1, lsq_rt1); 4377 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | 4378 ctx->default_tcg_memop_mask); 4379 tcg_temp_free(t1); 4380 break; 4381 case OPC_GSSQC1: 4382 check_cp1_enabled(ctx); 4383 t1 = tcg_temp_new(); 4384 gen_base_offset_addr(ctx, t0, rs, lsq_offset); 4385 gen_load_fpr64(ctx, t1, rt); 4386 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | 4387 ctx->default_tcg_memop_mask); 4388 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); 4389 gen_load_fpr64(ctx, t1, lsq_rt1); 4390 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | 4391 ctx->default_tcg_memop_mask); 4392 tcg_temp_free(t1); 4393 break; 4394 #endif 4395 case OPC_GSSHFL: 4396 switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) { 4397 case OPC_GSLWLC1: 4398 check_cp1_enabled(ctx); 4399 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4400 t1 = tcg_temp_new(); 4401 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); 4402 tcg_gen_andi_tl(t1, t0, 3); 4403 if (!cpu_is_bigendian(ctx)) { 4404 tcg_gen_xori_tl(t1, t1, 3); 4405 } 4406 tcg_gen_shli_tl(t1, t1, 3); 4407 tcg_gen_andi_tl(t0, t0, ~3); 4408 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUL); 4409 tcg_gen_shl_tl(t0, t0, t1); 4410 t2 = tcg_const_tl(-1); 4411 tcg_gen_shl_tl(t2, t2, t1); 4412 fp0 = tcg_temp_new_i32(); 4413 gen_load_fpr32(ctx, fp0, rt); 4414 tcg_gen_ext_i32_tl(t1, fp0); 4415 tcg_gen_andc_tl(t1, t1, t2); 4416 tcg_temp_free(t2); 4417 tcg_gen_or_tl(t0, t0, t1); 4418 tcg_temp_free(t1); 4419 #if defined(TARGET_MIPS64) 4420 tcg_gen_extrl_i64_i32(fp0, t0); 4421 #else 4422 tcg_gen_ext32s_tl(fp0, t0); 4423 #endif 4424 gen_store_fpr32(ctx, fp0, rt); 4425 tcg_temp_free_i32(fp0); 4426 break; 4427 case OPC_GSLWRC1: 4428 check_cp1_enabled(ctx); 4429 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4430 t1 = tcg_temp_new(); 4431 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); 4432 tcg_gen_andi_tl(t1, t0, 3); 4433 if (cpu_is_bigendian(ctx)) { 4434 tcg_gen_xori_tl(t1, t1, 3); 4435 } 4436 tcg_gen_shli_tl(t1, t1, 3); 4437 tcg_gen_andi_tl(t0, t0, ~3); 4438 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUL); 4439 tcg_gen_shr_tl(t0, t0, t1); 4440 tcg_gen_xori_tl(t1, t1, 31); 4441 t2 = tcg_const_tl(0xfffffffeull); 4442 tcg_gen_shl_tl(t2, t2, t1); 4443 fp0 = tcg_temp_new_i32(); 4444 gen_load_fpr32(ctx, fp0, rt); 4445 tcg_gen_ext_i32_tl(t1, fp0); 4446 tcg_gen_and_tl(t1, t1, t2); 4447 tcg_temp_free(t2); 4448 tcg_gen_or_tl(t0, t0, t1); 4449 tcg_temp_free(t1); 4450 #if defined(TARGET_MIPS64) 4451 tcg_gen_extrl_i64_i32(fp0, t0); 4452 #else 4453 tcg_gen_ext32s_tl(fp0, t0); 4454 #endif 4455 gen_store_fpr32(ctx, fp0, rt); 4456 tcg_temp_free_i32(fp0); 4457 break; 4458 #if defined(TARGET_MIPS64) 4459 case OPC_GSLDLC1: 4460 check_cp1_enabled(ctx); 4461 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4462 t1 = tcg_temp_new(); 4463 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); 4464 tcg_gen_andi_tl(t1, t0, 7); 4465 if (!cpu_is_bigendian(ctx)) { 4466 tcg_gen_xori_tl(t1, t1, 7); 4467 } 4468 tcg_gen_shli_tl(t1, t1, 3); 4469 tcg_gen_andi_tl(t0, t0, ~7); 4470 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ); 4471 tcg_gen_shl_tl(t0, t0, t1); 4472 t2 = tcg_const_tl(-1); 4473 tcg_gen_shl_tl(t2, t2, t1); 4474 gen_load_fpr64(ctx, t1, rt); 4475 tcg_gen_andc_tl(t1, t1, t2); 4476 tcg_temp_free(t2); 4477 tcg_gen_or_tl(t0, t0, t1); 4478 tcg_temp_free(t1); 4479 gen_store_fpr64(ctx, t0, rt); 4480 break; 4481 case OPC_GSLDRC1: 4482 check_cp1_enabled(ctx); 4483 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4484 t1 = tcg_temp_new(); 4485 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_UB); 4486 tcg_gen_andi_tl(t1, t0, 7); 4487 if (cpu_is_bigendian(ctx)) { 4488 tcg_gen_xori_tl(t1, t1, 7); 4489 } 4490 tcg_gen_shli_tl(t1, t1, 3); 4491 tcg_gen_andi_tl(t0, t0, ~7); 4492 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ); 4493 tcg_gen_shr_tl(t0, t0, t1); 4494 tcg_gen_xori_tl(t1, t1, 63); 4495 t2 = tcg_const_tl(0xfffffffffffffffeull); 4496 tcg_gen_shl_tl(t2, t2, t1); 4497 gen_load_fpr64(ctx, t1, rt); 4498 tcg_gen_and_tl(t1, t1, t2); 4499 tcg_temp_free(t2); 4500 tcg_gen_or_tl(t0, t0, t1); 4501 tcg_temp_free(t1); 4502 gen_store_fpr64(ctx, t0, rt); 4503 break; 4504 #endif 4505 default: 4506 MIPS_INVAL("loongson_gsshfl"); 4507 gen_reserved_instruction(ctx); 4508 break; 4509 } 4510 break; 4511 case OPC_GSSHFS: 4512 switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) { 4513 case OPC_GSSWLC1: 4514 check_cp1_enabled(ctx); 4515 t1 = tcg_temp_new(); 4516 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4517 fp0 = tcg_temp_new_i32(); 4518 gen_load_fpr32(ctx, fp0, rt); 4519 tcg_gen_ext_i32_tl(t1, fp0); 4520 gen_helper_0e2i(swl, t1, t0, ctx->mem_idx); 4521 tcg_temp_free_i32(fp0); 4522 tcg_temp_free(t1); 4523 break; 4524 case OPC_GSSWRC1: 4525 check_cp1_enabled(ctx); 4526 t1 = tcg_temp_new(); 4527 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4528 fp0 = tcg_temp_new_i32(); 4529 gen_load_fpr32(ctx, fp0, rt); 4530 tcg_gen_ext_i32_tl(t1, fp0); 4531 gen_helper_0e2i(swr, t1, t0, ctx->mem_idx); 4532 tcg_temp_free_i32(fp0); 4533 tcg_temp_free(t1); 4534 break; 4535 #if defined(TARGET_MIPS64) 4536 case OPC_GSSDLC1: 4537 check_cp1_enabled(ctx); 4538 t1 = tcg_temp_new(); 4539 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4540 gen_load_fpr64(ctx, t1, rt); 4541 gen_helper_0e2i(sdl, t1, t0, ctx->mem_idx); 4542 tcg_temp_free(t1); 4543 break; 4544 case OPC_GSSDRC1: 4545 check_cp1_enabled(ctx); 4546 t1 = tcg_temp_new(); 4547 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4548 gen_load_fpr64(ctx, t1, rt); 4549 gen_helper_0e2i(sdr, t1, t0, ctx->mem_idx); 4550 tcg_temp_free(t1); 4551 break; 4552 #endif 4553 default: 4554 MIPS_INVAL("loongson_gsshfs"); 4555 gen_reserved_instruction(ctx); 4556 break; 4557 } 4558 break; 4559 default: 4560 MIPS_INVAL("loongson_gslsq"); 4561 gen_reserved_instruction(ctx); 4562 break; 4563 } 4564 tcg_temp_free(t0); 4565 } 4566 4567 /* Loongson EXT LDC2/SDC2 */ 4568 static void gen_loongson_lsdc2(DisasContext *ctx, int rt, 4569 int rs, int rd) 4570 { 4571 int offset = sextract32(ctx->opcode, 3, 8); 4572 uint32_t opc = MASK_LOONGSON_LSDC2(ctx->opcode); 4573 TCGv t0, t1; 4574 TCGv_i32 fp0; 4575 4576 /* Pre-conditions */ 4577 switch (opc) { 4578 case OPC_GSLBX: 4579 case OPC_GSLHX: 4580 case OPC_GSLWX: 4581 case OPC_GSLDX: 4582 /* prefetch, implement as NOP */ 4583 if (rt == 0) { 4584 return; 4585 } 4586 break; 4587 case OPC_GSSBX: 4588 case OPC_GSSHX: 4589 case OPC_GSSWX: 4590 case OPC_GSSDX: 4591 break; 4592 case OPC_GSLWXC1: 4593 #if defined(TARGET_MIPS64) 4594 case OPC_GSLDXC1: 4595 #endif 4596 check_cp1_enabled(ctx); 4597 /* prefetch, implement as NOP */ 4598 if (rt == 0) { 4599 return; 4600 } 4601 break; 4602 case OPC_GSSWXC1: 4603 #if defined(TARGET_MIPS64) 4604 case OPC_GSSDXC1: 4605 #endif 4606 check_cp1_enabled(ctx); 4607 break; 4608 default: 4609 MIPS_INVAL("loongson_lsdc2"); 4610 gen_reserved_instruction(ctx); 4611 return; 4612 break; 4613 } 4614 4615 t0 = tcg_temp_new(); 4616 4617 gen_base_offset_addr(ctx, t0, rs, offset); 4618 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4619 4620 switch (opc) { 4621 case OPC_GSLBX: 4622 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_SB); 4623 gen_store_gpr(t0, rt); 4624 break; 4625 case OPC_GSLHX: 4626 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW | 4627 ctx->default_tcg_memop_mask); 4628 gen_store_gpr(t0, rt); 4629 break; 4630 case OPC_GSLWX: 4631 gen_base_offset_addr(ctx, t0, rs, offset); 4632 if (rd) { 4633 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4634 } 4635 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL | 4636 ctx->default_tcg_memop_mask); 4637 gen_store_gpr(t0, rt); 4638 break; 4639 #if defined(TARGET_MIPS64) 4640 case OPC_GSLDX: 4641 gen_base_offset_addr(ctx, t0, rs, offset); 4642 if (rd) { 4643 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4644 } 4645 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ | 4646 ctx->default_tcg_memop_mask); 4647 gen_store_gpr(t0, rt); 4648 break; 4649 #endif 4650 case OPC_GSLWXC1: 4651 gen_base_offset_addr(ctx, t0, rs, offset); 4652 if (rd) { 4653 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4654 } 4655 fp0 = tcg_temp_new_i32(); 4656 tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL | 4657 ctx->default_tcg_memop_mask); 4658 gen_store_fpr32(ctx, fp0, rt); 4659 tcg_temp_free_i32(fp0); 4660 break; 4661 #if defined(TARGET_MIPS64) 4662 case OPC_GSLDXC1: 4663 gen_base_offset_addr(ctx, t0, rs, offset); 4664 if (rd) { 4665 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4666 } 4667 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ | 4668 ctx->default_tcg_memop_mask); 4669 gen_store_fpr64(ctx, t0, rt); 4670 break; 4671 #endif 4672 case OPC_GSSBX: 4673 t1 = tcg_temp_new(); 4674 gen_load_gpr(t1, rt); 4675 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_SB); 4676 tcg_temp_free(t1); 4677 break; 4678 case OPC_GSSHX: 4679 t1 = tcg_temp_new(); 4680 gen_load_gpr(t1, rt); 4681 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUW | 4682 ctx->default_tcg_memop_mask); 4683 tcg_temp_free(t1); 4684 break; 4685 case OPC_GSSWX: 4686 t1 = tcg_temp_new(); 4687 gen_load_gpr(t1, rt); 4688 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL | 4689 ctx->default_tcg_memop_mask); 4690 tcg_temp_free(t1); 4691 break; 4692 #if defined(TARGET_MIPS64) 4693 case OPC_GSSDX: 4694 t1 = tcg_temp_new(); 4695 gen_load_gpr(t1, rt); 4696 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEQ | 4697 ctx->default_tcg_memop_mask); 4698 tcg_temp_free(t1); 4699 break; 4700 #endif 4701 case OPC_GSSWXC1: 4702 fp0 = tcg_temp_new_i32(); 4703 gen_load_fpr32(ctx, fp0, rt); 4704 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL | 4705 ctx->default_tcg_memop_mask); 4706 tcg_temp_free_i32(fp0); 4707 break; 4708 #if defined(TARGET_MIPS64) 4709 case OPC_GSSDXC1: 4710 t1 = tcg_temp_new(); 4711 gen_load_fpr64(ctx, t1, rt); 4712 tcg_gen_qemu_st_i64(t1, t0, ctx->mem_idx, MO_TEQ | 4713 ctx->default_tcg_memop_mask); 4714 tcg_temp_free(t1); 4715 break; 4716 #endif 4717 default: 4718 break; 4719 } 4720 4721 tcg_temp_free(t0); 4722 } 4723 4724 /* Traps */ 4725 static void gen_trap(DisasContext *ctx, uint32_t opc, 4726 int rs, int rt, int16_t imm) 4727 { 4728 int cond; 4729 TCGv t0 = tcg_temp_new(); 4730 TCGv t1 = tcg_temp_new(); 4731 4732 cond = 0; 4733 /* Load needed operands */ 4734 switch (opc) { 4735 case OPC_TEQ: 4736 case OPC_TGE: 4737 case OPC_TGEU: 4738 case OPC_TLT: 4739 case OPC_TLTU: 4740 case OPC_TNE: 4741 /* Compare two registers */ 4742 if (rs != rt) { 4743 gen_load_gpr(t0, rs); 4744 gen_load_gpr(t1, rt); 4745 cond = 1; 4746 } 4747 break; 4748 case OPC_TEQI: 4749 case OPC_TGEI: 4750 case OPC_TGEIU: 4751 case OPC_TLTI: 4752 case OPC_TLTIU: 4753 case OPC_TNEI: 4754 /* Compare register to immediate */ 4755 if (rs != 0 || imm != 0) { 4756 gen_load_gpr(t0, rs); 4757 tcg_gen_movi_tl(t1, (int32_t)imm); 4758 cond = 1; 4759 } 4760 break; 4761 } 4762 if (cond == 0) { 4763 switch (opc) { 4764 case OPC_TEQ: /* rs == rs */ 4765 case OPC_TEQI: /* r0 == 0 */ 4766 case OPC_TGE: /* rs >= rs */ 4767 case OPC_TGEI: /* r0 >= 0 */ 4768 case OPC_TGEU: /* rs >= rs unsigned */ 4769 case OPC_TGEIU: /* r0 >= 0 unsigned */ 4770 /* Always trap */ 4771 generate_exception_end(ctx, EXCP_TRAP); 4772 break; 4773 case OPC_TLT: /* rs < rs */ 4774 case OPC_TLTI: /* r0 < 0 */ 4775 case OPC_TLTU: /* rs < rs unsigned */ 4776 case OPC_TLTIU: /* r0 < 0 unsigned */ 4777 case OPC_TNE: /* rs != rs */ 4778 case OPC_TNEI: /* r0 != 0 */ 4779 /* Never trap: treat as NOP. */ 4780 break; 4781 } 4782 } else { 4783 TCGLabel *l1 = gen_new_label(); 4784 4785 switch (opc) { 4786 case OPC_TEQ: 4787 case OPC_TEQI: 4788 tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1); 4789 break; 4790 case OPC_TGE: 4791 case OPC_TGEI: 4792 tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1); 4793 break; 4794 case OPC_TGEU: 4795 case OPC_TGEIU: 4796 tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1); 4797 break; 4798 case OPC_TLT: 4799 case OPC_TLTI: 4800 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1); 4801 break; 4802 case OPC_TLTU: 4803 case OPC_TLTIU: 4804 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); 4805 break; 4806 case OPC_TNE: 4807 case OPC_TNEI: 4808 tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1); 4809 break; 4810 } 4811 generate_exception(ctx, EXCP_TRAP); 4812 gen_set_label(l1); 4813 } 4814 tcg_temp_free(t0); 4815 tcg_temp_free(t1); 4816 } 4817 4818 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) 4819 { 4820 if (translator_use_goto_tb(&ctx->base, dest)) { 4821 tcg_gen_goto_tb(n); 4822 gen_save_pc(dest); 4823 tcg_gen_exit_tb(ctx->base.tb, n); 4824 } else { 4825 gen_save_pc(dest); 4826 tcg_gen_lookup_and_goto_ptr(); 4827 } 4828 } 4829 4830 /* Branches (before delay slot) */ 4831 static void gen_compute_branch(DisasContext *ctx, uint32_t opc, 4832 int insn_bytes, 4833 int rs, int rt, int32_t offset, 4834 int delayslot_size) 4835 { 4836 target_ulong btgt = -1; 4837 int blink = 0; 4838 int bcond_compute = 0; 4839 TCGv t0 = tcg_temp_new(); 4840 TCGv t1 = tcg_temp_new(); 4841 4842 if (ctx->hflags & MIPS_HFLAG_BMASK) { 4843 #ifdef MIPS_DEBUG_DISAS 4844 LOG_DISAS("Branch in delay / forbidden slot at PC 0x" 4845 TARGET_FMT_lx "\n", ctx->base.pc_next); 4846 #endif 4847 gen_reserved_instruction(ctx); 4848 goto out; 4849 } 4850 4851 /* Load needed operands */ 4852 switch (opc) { 4853 case OPC_BEQ: 4854 case OPC_BEQL: 4855 case OPC_BNE: 4856 case OPC_BNEL: 4857 /* Compare two registers */ 4858 if (rs != rt) { 4859 gen_load_gpr(t0, rs); 4860 gen_load_gpr(t1, rt); 4861 bcond_compute = 1; 4862 } 4863 btgt = ctx->base.pc_next + insn_bytes + offset; 4864 break; 4865 case OPC_BGEZ: 4866 case OPC_BGEZAL: 4867 case OPC_BGEZALL: 4868 case OPC_BGEZL: 4869 case OPC_BGTZ: 4870 case OPC_BGTZL: 4871 case OPC_BLEZ: 4872 case OPC_BLEZL: 4873 case OPC_BLTZ: 4874 case OPC_BLTZAL: 4875 case OPC_BLTZALL: 4876 case OPC_BLTZL: 4877 /* Compare to zero */ 4878 if (rs != 0) { 4879 gen_load_gpr(t0, rs); 4880 bcond_compute = 1; 4881 } 4882 btgt = ctx->base.pc_next + insn_bytes + offset; 4883 break; 4884 case OPC_BPOSGE32: 4885 #if defined(TARGET_MIPS64) 4886 case OPC_BPOSGE64: 4887 tcg_gen_andi_tl(t0, cpu_dspctrl, 0x7F); 4888 #else 4889 tcg_gen_andi_tl(t0, cpu_dspctrl, 0x3F); 4890 #endif 4891 bcond_compute = 1; 4892 btgt = ctx->base.pc_next + insn_bytes + offset; 4893 break; 4894 case OPC_J: 4895 case OPC_JAL: 4896 case OPC_JALX: 4897 /* Jump to immediate */ 4898 btgt = ((ctx->base.pc_next + insn_bytes) & (int32_t)0xF0000000) | 4899 (uint32_t)offset; 4900 break; 4901 case OPC_JR: 4902 case OPC_JALR: 4903 /* Jump to register */ 4904 if (offset != 0 && offset != 16) { 4905 /* 4906 * Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the 4907 * others are reserved. 4908 */ 4909 MIPS_INVAL("jump hint"); 4910 gen_reserved_instruction(ctx); 4911 goto out; 4912 } 4913 gen_load_gpr(btarget, rs); 4914 break; 4915 default: 4916 MIPS_INVAL("branch/jump"); 4917 gen_reserved_instruction(ctx); 4918 goto out; 4919 } 4920 if (bcond_compute == 0) { 4921 /* No condition to be computed */ 4922 switch (opc) { 4923 case OPC_BEQ: /* rx == rx */ 4924 case OPC_BEQL: /* rx == rx likely */ 4925 case OPC_BGEZ: /* 0 >= 0 */ 4926 case OPC_BGEZL: /* 0 >= 0 likely */ 4927 case OPC_BLEZ: /* 0 <= 0 */ 4928 case OPC_BLEZL: /* 0 <= 0 likely */ 4929 /* Always take */ 4930 ctx->hflags |= MIPS_HFLAG_B; 4931 break; 4932 case OPC_BGEZAL: /* 0 >= 0 */ 4933 case OPC_BGEZALL: /* 0 >= 0 likely */ 4934 /* Always take and link */ 4935 blink = 31; 4936 ctx->hflags |= MIPS_HFLAG_B; 4937 break; 4938 case OPC_BNE: /* rx != rx */ 4939 case OPC_BGTZ: /* 0 > 0 */ 4940 case OPC_BLTZ: /* 0 < 0 */ 4941 /* Treat as NOP. */ 4942 goto out; 4943 case OPC_BLTZAL: /* 0 < 0 */ 4944 /* 4945 * Handle as an unconditional branch to get correct delay 4946 * slot checking. 4947 */ 4948 blink = 31; 4949 btgt = ctx->base.pc_next + insn_bytes + delayslot_size; 4950 ctx->hflags |= MIPS_HFLAG_B; 4951 break; 4952 case OPC_BLTZALL: /* 0 < 0 likely */ 4953 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 8); 4954 /* Skip the instruction in the delay slot */ 4955 ctx->base.pc_next += 4; 4956 goto out; 4957 case OPC_BNEL: /* rx != rx likely */ 4958 case OPC_BGTZL: /* 0 > 0 likely */ 4959 case OPC_BLTZL: /* 0 < 0 likely */ 4960 /* Skip the instruction in the delay slot */ 4961 ctx->base.pc_next += 4; 4962 goto out; 4963 case OPC_J: 4964 ctx->hflags |= MIPS_HFLAG_B; 4965 break; 4966 case OPC_JALX: 4967 ctx->hflags |= MIPS_HFLAG_BX; 4968 /* Fallthrough */ 4969 case OPC_JAL: 4970 blink = 31; 4971 ctx->hflags |= MIPS_HFLAG_B; 4972 break; 4973 case OPC_JR: 4974 ctx->hflags |= MIPS_HFLAG_BR; 4975 break; 4976 case OPC_JALR: 4977 blink = rt; 4978 ctx->hflags |= MIPS_HFLAG_BR; 4979 break; 4980 default: 4981 MIPS_INVAL("branch/jump"); 4982 gen_reserved_instruction(ctx); 4983 goto out; 4984 } 4985 } else { 4986 switch (opc) { 4987 case OPC_BEQ: 4988 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1); 4989 goto not_likely; 4990 case OPC_BEQL: 4991 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1); 4992 goto likely; 4993 case OPC_BNE: 4994 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1); 4995 goto not_likely; 4996 case OPC_BNEL: 4997 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1); 4998 goto likely; 4999 case OPC_BGEZ: 5000 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); 5001 goto not_likely; 5002 case OPC_BGEZL: 5003 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); 5004 goto likely; 5005 case OPC_BGEZAL: 5006 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); 5007 blink = 31; 5008 goto not_likely; 5009 case OPC_BGEZALL: 5010 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); 5011 blink = 31; 5012 goto likely; 5013 case OPC_BGTZ: 5014 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0); 5015 goto not_likely; 5016 case OPC_BGTZL: 5017 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0); 5018 goto likely; 5019 case OPC_BLEZ: 5020 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0); 5021 goto not_likely; 5022 case OPC_BLEZL: 5023 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0); 5024 goto likely; 5025 case OPC_BLTZ: 5026 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); 5027 goto not_likely; 5028 case OPC_BLTZL: 5029 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); 5030 goto likely; 5031 case OPC_BPOSGE32: 5032 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 32); 5033 goto not_likely; 5034 #if defined(TARGET_MIPS64) 5035 case OPC_BPOSGE64: 5036 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 64); 5037 goto not_likely; 5038 #endif 5039 case OPC_BLTZAL: 5040 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); 5041 blink = 31; 5042 not_likely: 5043 ctx->hflags |= MIPS_HFLAG_BC; 5044 break; 5045 case OPC_BLTZALL: 5046 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); 5047 blink = 31; 5048 likely: 5049 ctx->hflags |= MIPS_HFLAG_BL; 5050 break; 5051 default: 5052 MIPS_INVAL("conditional branch/jump"); 5053 gen_reserved_instruction(ctx); 5054 goto out; 5055 } 5056 } 5057 5058 ctx->btarget = btgt; 5059 5060 switch (delayslot_size) { 5061 case 2: 5062 ctx->hflags |= MIPS_HFLAG_BDS16; 5063 break; 5064 case 4: 5065 ctx->hflags |= MIPS_HFLAG_BDS32; 5066 break; 5067 } 5068 5069 if (blink > 0) { 5070 int post_delay = insn_bytes + delayslot_size; 5071 int lowbit = !!(ctx->hflags & MIPS_HFLAG_M16); 5072 5073 tcg_gen_movi_tl(cpu_gpr[blink], 5074 ctx->base.pc_next + post_delay + lowbit); 5075 } 5076 5077 out: 5078 if (insn_bytes == 2) { 5079 ctx->hflags |= MIPS_HFLAG_B16; 5080 } 5081 tcg_temp_free(t0); 5082 tcg_temp_free(t1); 5083 } 5084 5085 5086 /* special3 bitfield operations */ 5087 static void gen_bitops(DisasContext *ctx, uint32_t opc, int rt, 5088 int rs, int lsb, int msb) 5089 { 5090 TCGv t0 = tcg_temp_new(); 5091 TCGv t1 = tcg_temp_new(); 5092 5093 gen_load_gpr(t1, rs); 5094 switch (opc) { 5095 case OPC_EXT: 5096 if (lsb + msb > 31) { 5097 goto fail; 5098 } 5099 if (msb != 31) { 5100 tcg_gen_extract_tl(t0, t1, lsb, msb + 1); 5101 } else { 5102 /* 5103 * The two checks together imply that lsb == 0, 5104 * so this is a simple sign-extension. 5105 */ 5106 tcg_gen_ext32s_tl(t0, t1); 5107 } 5108 break; 5109 #if defined(TARGET_MIPS64) 5110 case OPC_DEXTU: 5111 lsb += 32; 5112 goto do_dext; 5113 case OPC_DEXTM: 5114 msb += 32; 5115 goto do_dext; 5116 case OPC_DEXT: 5117 do_dext: 5118 if (lsb + msb > 63) { 5119 goto fail; 5120 } 5121 tcg_gen_extract_tl(t0, t1, lsb, msb + 1); 5122 break; 5123 #endif 5124 case OPC_INS: 5125 if (lsb > msb) { 5126 goto fail; 5127 } 5128 gen_load_gpr(t0, rt); 5129 tcg_gen_deposit_tl(t0, t0, t1, lsb, msb - lsb + 1); 5130 tcg_gen_ext32s_tl(t0, t0); 5131 break; 5132 #if defined(TARGET_MIPS64) 5133 case OPC_DINSU: 5134 lsb += 32; 5135 /* FALLTHRU */ 5136 case OPC_DINSM: 5137 msb += 32; 5138 /* FALLTHRU */ 5139 case OPC_DINS: 5140 if (lsb > msb) { 5141 goto fail; 5142 } 5143 gen_load_gpr(t0, rt); 5144 tcg_gen_deposit_tl(t0, t0, t1, lsb, msb - lsb + 1); 5145 break; 5146 #endif 5147 default: 5148 fail: 5149 MIPS_INVAL("bitops"); 5150 gen_reserved_instruction(ctx); 5151 tcg_temp_free(t0); 5152 tcg_temp_free(t1); 5153 return; 5154 } 5155 gen_store_gpr(t0, rt); 5156 tcg_temp_free(t0); 5157 tcg_temp_free(t1); 5158 } 5159 5160 static void gen_bshfl(DisasContext *ctx, uint32_t op2, int rt, int rd) 5161 { 5162 TCGv t0; 5163 5164 if (rd == 0) { 5165 /* If no destination, treat it as a NOP. */ 5166 return; 5167 } 5168 5169 t0 = tcg_temp_new(); 5170 gen_load_gpr(t0, rt); 5171 switch (op2) { 5172 case OPC_WSBH: 5173 { 5174 TCGv t1 = tcg_temp_new(); 5175 TCGv t2 = tcg_const_tl(0x00FF00FF); 5176 5177 tcg_gen_shri_tl(t1, t0, 8); 5178 tcg_gen_and_tl(t1, t1, t2); 5179 tcg_gen_and_tl(t0, t0, t2); 5180 tcg_gen_shli_tl(t0, t0, 8); 5181 tcg_gen_or_tl(t0, t0, t1); 5182 tcg_temp_free(t2); 5183 tcg_temp_free(t1); 5184 tcg_gen_ext32s_tl(cpu_gpr[rd], t0); 5185 } 5186 break; 5187 case OPC_SEB: 5188 tcg_gen_ext8s_tl(cpu_gpr[rd], t0); 5189 break; 5190 case OPC_SEH: 5191 tcg_gen_ext16s_tl(cpu_gpr[rd], t0); 5192 break; 5193 #if defined(TARGET_MIPS64) 5194 case OPC_DSBH: 5195 { 5196 TCGv t1 = tcg_temp_new(); 5197 TCGv t2 = tcg_const_tl(0x00FF00FF00FF00FFULL); 5198 5199 tcg_gen_shri_tl(t1, t0, 8); 5200 tcg_gen_and_tl(t1, t1, t2); 5201 tcg_gen_and_tl(t0, t0, t2); 5202 tcg_gen_shli_tl(t0, t0, 8); 5203 tcg_gen_or_tl(cpu_gpr[rd], t0, t1); 5204 tcg_temp_free(t2); 5205 tcg_temp_free(t1); 5206 } 5207 break; 5208 case OPC_DSHD: 5209 { 5210 TCGv t1 = tcg_temp_new(); 5211 TCGv t2 = tcg_const_tl(0x0000FFFF0000FFFFULL); 5212 5213 tcg_gen_shri_tl(t1, t0, 16); 5214 tcg_gen_and_tl(t1, t1, t2); 5215 tcg_gen_and_tl(t0, t0, t2); 5216 tcg_gen_shli_tl(t0, t0, 16); 5217 tcg_gen_or_tl(t0, t0, t1); 5218 tcg_gen_shri_tl(t1, t0, 32); 5219 tcg_gen_shli_tl(t0, t0, 32); 5220 tcg_gen_or_tl(cpu_gpr[rd], t0, t1); 5221 tcg_temp_free(t2); 5222 tcg_temp_free(t1); 5223 } 5224 break; 5225 #endif 5226 default: 5227 MIPS_INVAL("bsfhl"); 5228 gen_reserved_instruction(ctx); 5229 tcg_temp_free(t0); 5230 return; 5231 } 5232 tcg_temp_free(t0); 5233 } 5234 5235 static void gen_align_bits(DisasContext *ctx, int wordsz, int rd, int rs, 5236 int rt, int bits) 5237 { 5238 TCGv t0; 5239 if (rd == 0) { 5240 /* Treat as NOP. */ 5241 return; 5242 } 5243 t0 = tcg_temp_new(); 5244 if (bits == 0 || bits == wordsz) { 5245 if (bits == 0) { 5246 gen_load_gpr(t0, rt); 5247 } else { 5248 gen_load_gpr(t0, rs); 5249 } 5250 switch (wordsz) { 5251 case 32: 5252 tcg_gen_ext32s_tl(cpu_gpr[rd], t0); 5253 break; 5254 #if defined(TARGET_MIPS64) 5255 case 64: 5256 tcg_gen_mov_tl(cpu_gpr[rd], t0); 5257 break; 5258 #endif 5259 } 5260 } else { 5261 TCGv t1 = tcg_temp_new(); 5262 gen_load_gpr(t0, rt); 5263 gen_load_gpr(t1, rs); 5264 switch (wordsz) { 5265 case 32: 5266 { 5267 TCGv_i64 t2 = tcg_temp_new_i64(); 5268 tcg_gen_concat_tl_i64(t2, t1, t0); 5269 tcg_gen_shri_i64(t2, t2, 32 - bits); 5270 gen_move_low32(cpu_gpr[rd], t2); 5271 tcg_temp_free_i64(t2); 5272 } 5273 break; 5274 #if defined(TARGET_MIPS64) 5275 case 64: 5276 tcg_gen_shli_tl(t0, t0, bits); 5277 tcg_gen_shri_tl(t1, t1, 64 - bits); 5278 tcg_gen_or_tl(cpu_gpr[rd], t1, t0); 5279 break; 5280 #endif 5281 } 5282 tcg_temp_free(t1); 5283 } 5284 5285 tcg_temp_free(t0); 5286 } 5287 5288 void gen_align(DisasContext *ctx, int wordsz, int rd, int rs, int rt, int bp) 5289 { 5290 gen_align_bits(ctx, wordsz, rd, rs, rt, bp * 8); 5291 } 5292 5293 static void gen_bitswap(DisasContext *ctx, int opc, int rd, int rt) 5294 { 5295 TCGv t0; 5296 if (rd == 0) { 5297 /* Treat as NOP. */ 5298 return; 5299 } 5300 t0 = tcg_temp_new(); 5301 gen_load_gpr(t0, rt); 5302 switch (opc) { 5303 case OPC_BITSWAP: 5304 gen_helper_bitswap(cpu_gpr[rd], t0); 5305 break; 5306 #if defined(TARGET_MIPS64) 5307 case OPC_DBITSWAP: 5308 gen_helper_dbitswap(cpu_gpr[rd], t0); 5309 break; 5310 #endif 5311 } 5312 tcg_temp_free(t0); 5313 } 5314 5315 #ifndef CONFIG_USER_ONLY 5316 /* CP0 (MMU and control) */ 5317 static inline void gen_mthc0_entrylo(TCGv arg, target_ulong off) 5318 { 5319 TCGv_i64 t0 = tcg_temp_new_i64(); 5320 TCGv_i64 t1 = tcg_temp_new_i64(); 5321 5322 tcg_gen_ext_tl_i64(t0, arg); 5323 tcg_gen_ld_i64(t1, cpu_env, off); 5324 #if defined(TARGET_MIPS64) 5325 tcg_gen_deposit_i64(t1, t1, t0, 30, 32); 5326 #else 5327 tcg_gen_concat32_i64(t1, t1, t0); 5328 #endif 5329 tcg_gen_st_i64(t1, cpu_env, off); 5330 tcg_temp_free_i64(t1); 5331 tcg_temp_free_i64(t0); 5332 } 5333 5334 static inline void gen_mthc0_store64(TCGv arg, target_ulong off) 5335 { 5336 TCGv_i64 t0 = tcg_temp_new_i64(); 5337 TCGv_i64 t1 = tcg_temp_new_i64(); 5338 5339 tcg_gen_ext_tl_i64(t0, arg); 5340 tcg_gen_ld_i64(t1, cpu_env, off); 5341 tcg_gen_concat32_i64(t1, t1, t0); 5342 tcg_gen_st_i64(t1, cpu_env, off); 5343 tcg_temp_free_i64(t1); 5344 tcg_temp_free_i64(t0); 5345 } 5346 5347 static inline void gen_mfhc0_entrylo(TCGv arg, target_ulong off) 5348 { 5349 TCGv_i64 t0 = tcg_temp_new_i64(); 5350 5351 tcg_gen_ld_i64(t0, cpu_env, off); 5352 #if defined(TARGET_MIPS64) 5353 tcg_gen_shri_i64(t0, t0, 30); 5354 #else 5355 tcg_gen_shri_i64(t0, t0, 32); 5356 #endif 5357 gen_move_low32(arg, t0); 5358 tcg_temp_free_i64(t0); 5359 } 5360 5361 static inline void gen_mfhc0_load64(TCGv arg, target_ulong off, int shift) 5362 { 5363 TCGv_i64 t0 = tcg_temp_new_i64(); 5364 5365 tcg_gen_ld_i64(t0, cpu_env, off); 5366 tcg_gen_shri_i64(t0, t0, 32 + shift); 5367 gen_move_low32(arg, t0); 5368 tcg_temp_free_i64(t0); 5369 } 5370 5371 static inline void gen_mfc0_load32(TCGv arg, target_ulong off) 5372 { 5373 TCGv_i32 t0 = tcg_temp_new_i32(); 5374 5375 tcg_gen_ld_i32(t0, cpu_env, off); 5376 tcg_gen_ext_i32_tl(arg, t0); 5377 tcg_temp_free_i32(t0); 5378 } 5379 5380 static inline void gen_mfc0_load64(TCGv arg, target_ulong off) 5381 { 5382 tcg_gen_ld_tl(arg, cpu_env, off); 5383 tcg_gen_ext32s_tl(arg, arg); 5384 } 5385 5386 static inline void gen_mtc0_store32(TCGv arg, target_ulong off) 5387 { 5388 TCGv_i32 t0 = tcg_temp_new_i32(); 5389 5390 tcg_gen_trunc_tl_i32(t0, arg); 5391 tcg_gen_st_i32(t0, cpu_env, off); 5392 tcg_temp_free_i32(t0); 5393 } 5394 5395 #define CP0_CHECK(c) \ 5396 do { \ 5397 if (!(c)) { \ 5398 goto cp0_unimplemented; \ 5399 } \ 5400 } while (0) 5401 5402 static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel) 5403 { 5404 const char *register_name = "invalid"; 5405 5406 switch (reg) { 5407 case CP0_REGISTER_02: 5408 switch (sel) { 5409 case 0: 5410 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA); 5411 gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0)); 5412 register_name = "EntryLo0"; 5413 break; 5414 default: 5415 goto cp0_unimplemented; 5416 } 5417 break; 5418 case CP0_REGISTER_03: 5419 switch (sel) { 5420 case CP0_REG03__ENTRYLO1: 5421 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA); 5422 gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1)); 5423 register_name = "EntryLo1"; 5424 break; 5425 default: 5426 goto cp0_unimplemented; 5427 } 5428 break; 5429 case CP0_REGISTER_09: 5430 switch (sel) { 5431 case CP0_REG09__SAAR: 5432 CP0_CHECK(ctx->saar); 5433 gen_helper_mfhc0_saar(arg, cpu_env); 5434 register_name = "SAAR"; 5435 break; 5436 default: 5437 goto cp0_unimplemented; 5438 } 5439 break; 5440 case CP0_REGISTER_17: 5441 switch (sel) { 5442 case CP0_REG17__LLADDR: 5443 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_LLAddr), 5444 ctx->CP0_LLAddr_shift); 5445 register_name = "LLAddr"; 5446 break; 5447 case CP0_REG17__MAAR: 5448 CP0_CHECK(ctx->mrp); 5449 gen_helper_mfhc0_maar(arg, cpu_env); 5450 register_name = "MAAR"; 5451 break; 5452 default: 5453 goto cp0_unimplemented; 5454 } 5455 break; 5456 case CP0_REGISTER_19: 5457 switch (sel) { 5458 case CP0_REG19__WATCHHI0: 5459 case CP0_REG19__WATCHHI1: 5460 case CP0_REG19__WATCHHI2: 5461 case CP0_REG19__WATCHHI3: 5462 case CP0_REG19__WATCHHI4: 5463 case CP0_REG19__WATCHHI5: 5464 case CP0_REG19__WATCHHI6: 5465 case CP0_REG19__WATCHHI7: 5466 /* upper 32 bits are only available when Config5MI != 0 */ 5467 CP0_CHECK(ctx->mi); 5468 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_WatchHi[sel]), 0); 5469 register_name = "WatchHi"; 5470 break; 5471 default: 5472 goto cp0_unimplemented; 5473 } 5474 break; 5475 case CP0_REGISTER_28: 5476 switch (sel) { 5477 case 0: 5478 case 2: 5479 case 4: 5480 case 6: 5481 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_TagLo), 0); 5482 register_name = "TagLo"; 5483 break; 5484 default: 5485 goto cp0_unimplemented; 5486 } 5487 break; 5488 default: 5489 goto cp0_unimplemented; 5490 } 5491 trace_mips_translate_c0("mfhc0", register_name, reg, sel); 5492 return; 5493 5494 cp0_unimplemented: 5495 qemu_log_mask(LOG_UNIMP, "mfhc0 %s (reg %d sel %d)\n", 5496 register_name, reg, sel); 5497 tcg_gen_movi_tl(arg, 0); 5498 } 5499 5500 static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel) 5501 { 5502 const char *register_name = "invalid"; 5503 uint64_t mask = ctx->PAMask >> 36; 5504 5505 switch (reg) { 5506 case CP0_REGISTER_02: 5507 switch (sel) { 5508 case 0: 5509 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA); 5510 tcg_gen_andi_tl(arg, arg, mask); 5511 gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0)); 5512 register_name = "EntryLo0"; 5513 break; 5514 default: 5515 goto cp0_unimplemented; 5516 } 5517 break; 5518 case CP0_REGISTER_03: 5519 switch (sel) { 5520 case CP0_REG03__ENTRYLO1: 5521 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA); 5522 tcg_gen_andi_tl(arg, arg, mask); 5523 gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1)); 5524 register_name = "EntryLo1"; 5525 break; 5526 default: 5527 goto cp0_unimplemented; 5528 } 5529 break; 5530 case CP0_REGISTER_09: 5531 switch (sel) { 5532 case CP0_REG09__SAAR: 5533 CP0_CHECK(ctx->saar); 5534 gen_helper_mthc0_saar(cpu_env, arg); 5535 register_name = "SAAR"; 5536 break; 5537 default: 5538 goto cp0_unimplemented; 5539 } 5540 break; 5541 case CP0_REGISTER_17: 5542 switch (sel) { 5543 case CP0_REG17__LLADDR: 5544 /* 5545 * LLAddr is read-only (the only exception is bit 0 if LLB is 5546 * supported); the CP0_LLAddr_rw_bitmask does not seem to be 5547 * relevant for modern MIPS cores supporting MTHC0, therefore 5548 * treating MTHC0 to LLAddr as NOP. 5549 */ 5550 register_name = "LLAddr"; 5551 break; 5552 case CP0_REG17__MAAR: 5553 CP0_CHECK(ctx->mrp); 5554 gen_helper_mthc0_maar(cpu_env, arg); 5555 register_name = "MAAR"; 5556 break; 5557 default: 5558 goto cp0_unimplemented; 5559 } 5560 break; 5561 case CP0_REGISTER_19: 5562 switch (sel) { 5563 case CP0_REG19__WATCHHI0: 5564 case CP0_REG19__WATCHHI1: 5565 case CP0_REG19__WATCHHI2: 5566 case CP0_REG19__WATCHHI3: 5567 case CP0_REG19__WATCHHI4: 5568 case CP0_REG19__WATCHHI5: 5569 case CP0_REG19__WATCHHI6: 5570 case CP0_REG19__WATCHHI7: 5571 /* upper 32 bits are only available when Config5MI != 0 */ 5572 CP0_CHECK(ctx->mi); 5573 gen_helper_0e1i(mthc0_watchhi, arg, sel); 5574 register_name = "WatchHi"; 5575 break; 5576 default: 5577 goto cp0_unimplemented; 5578 } 5579 break; 5580 case CP0_REGISTER_28: 5581 switch (sel) { 5582 case 0: 5583 case 2: 5584 case 4: 5585 case 6: 5586 tcg_gen_andi_tl(arg, arg, mask); 5587 gen_mthc0_store64(arg, offsetof(CPUMIPSState, CP0_TagLo)); 5588 register_name = "TagLo"; 5589 break; 5590 default: 5591 goto cp0_unimplemented; 5592 } 5593 break; 5594 default: 5595 goto cp0_unimplemented; 5596 } 5597 trace_mips_translate_c0("mthc0", register_name, reg, sel); 5598 return; 5599 5600 cp0_unimplemented: 5601 qemu_log_mask(LOG_UNIMP, "mthc0 %s (reg %d sel %d)\n", 5602 register_name, reg, sel); 5603 } 5604 5605 static inline void gen_mfc0_unimplemented(DisasContext *ctx, TCGv arg) 5606 { 5607 if (ctx->insn_flags & ISA_MIPS_R6) { 5608 tcg_gen_movi_tl(arg, 0); 5609 } else { 5610 tcg_gen_movi_tl(arg, ~0); 5611 } 5612 } 5613 5614 static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel) 5615 { 5616 const char *register_name = "invalid"; 5617 5618 if (sel != 0) { 5619 check_insn(ctx, ISA_MIPS_R1); 5620 } 5621 5622 switch (reg) { 5623 case CP0_REGISTER_00: 5624 switch (sel) { 5625 case CP0_REG00__INDEX: 5626 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Index)); 5627 register_name = "Index"; 5628 break; 5629 case CP0_REG00__MVPCONTROL: 5630 CP0_CHECK(ctx->insn_flags & ASE_MT); 5631 gen_helper_mfc0_mvpcontrol(arg, cpu_env); 5632 register_name = "MVPControl"; 5633 break; 5634 case CP0_REG00__MVPCONF0: 5635 CP0_CHECK(ctx->insn_flags & ASE_MT); 5636 gen_helper_mfc0_mvpconf0(arg, cpu_env); 5637 register_name = "MVPConf0"; 5638 break; 5639 case CP0_REG00__MVPCONF1: 5640 CP0_CHECK(ctx->insn_flags & ASE_MT); 5641 gen_helper_mfc0_mvpconf1(arg, cpu_env); 5642 register_name = "MVPConf1"; 5643 break; 5644 case CP0_REG00__VPCONTROL: 5645 CP0_CHECK(ctx->vp); 5646 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPControl)); 5647 register_name = "VPControl"; 5648 break; 5649 default: 5650 goto cp0_unimplemented; 5651 } 5652 break; 5653 case CP0_REGISTER_01: 5654 switch (sel) { 5655 case CP0_REG01__RANDOM: 5656 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 5657 gen_helper_mfc0_random(arg, cpu_env); 5658 register_name = "Random"; 5659 break; 5660 case CP0_REG01__VPECONTROL: 5661 CP0_CHECK(ctx->insn_flags & ASE_MT); 5662 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl)); 5663 register_name = "VPEControl"; 5664 break; 5665 case CP0_REG01__VPECONF0: 5666 CP0_CHECK(ctx->insn_flags & ASE_MT); 5667 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0)); 5668 register_name = "VPEConf0"; 5669 break; 5670 case CP0_REG01__VPECONF1: 5671 CP0_CHECK(ctx->insn_flags & ASE_MT); 5672 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1)); 5673 register_name = "VPEConf1"; 5674 break; 5675 case CP0_REG01__YQMASK: 5676 CP0_CHECK(ctx->insn_flags & ASE_MT); 5677 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_YQMask)); 5678 register_name = "YQMask"; 5679 break; 5680 case CP0_REG01__VPESCHEDULE: 5681 CP0_CHECK(ctx->insn_flags & ASE_MT); 5682 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPESchedule)); 5683 register_name = "VPESchedule"; 5684 break; 5685 case CP0_REG01__VPESCHEFBACK: 5686 CP0_CHECK(ctx->insn_flags & ASE_MT); 5687 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPEScheFBack)); 5688 register_name = "VPEScheFBack"; 5689 break; 5690 case CP0_REG01__VPEOPT: 5691 CP0_CHECK(ctx->insn_flags & ASE_MT); 5692 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt)); 5693 register_name = "VPEOpt"; 5694 break; 5695 default: 5696 goto cp0_unimplemented; 5697 } 5698 break; 5699 case CP0_REGISTER_02: 5700 switch (sel) { 5701 case CP0_REG02__ENTRYLO0: 5702 { 5703 TCGv_i64 tmp = tcg_temp_new_i64(); 5704 tcg_gen_ld_i64(tmp, cpu_env, 5705 offsetof(CPUMIPSState, CP0_EntryLo0)); 5706 #if defined(TARGET_MIPS64) 5707 if (ctx->rxi) { 5708 /* Move RI/XI fields to bits 31:30 */ 5709 tcg_gen_shri_tl(arg, tmp, CP0EnLo_XI); 5710 tcg_gen_deposit_tl(tmp, tmp, arg, 30, 2); 5711 } 5712 #endif 5713 gen_move_low32(arg, tmp); 5714 tcg_temp_free_i64(tmp); 5715 } 5716 register_name = "EntryLo0"; 5717 break; 5718 case CP0_REG02__TCSTATUS: 5719 CP0_CHECK(ctx->insn_flags & ASE_MT); 5720 gen_helper_mfc0_tcstatus(arg, cpu_env); 5721 register_name = "TCStatus"; 5722 break; 5723 case CP0_REG02__TCBIND: 5724 CP0_CHECK(ctx->insn_flags & ASE_MT); 5725 gen_helper_mfc0_tcbind(arg, cpu_env); 5726 register_name = "TCBind"; 5727 break; 5728 case CP0_REG02__TCRESTART: 5729 CP0_CHECK(ctx->insn_flags & ASE_MT); 5730 gen_helper_mfc0_tcrestart(arg, cpu_env); 5731 register_name = "TCRestart"; 5732 break; 5733 case CP0_REG02__TCHALT: 5734 CP0_CHECK(ctx->insn_flags & ASE_MT); 5735 gen_helper_mfc0_tchalt(arg, cpu_env); 5736 register_name = "TCHalt"; 5737 break; 5738 case CP0_REG02__TCCONTEXT: 5739 CP0_CHECK(ctx->insn_flags & ASE_MT); 5740 gen_helper_mfc0_tccontext(arg, cpu_env); 5741 register_name = "TCContext"; 5742 break; 5743 case CP0_REG02__TCSCHEDULE: 5744 CP0_CHECK(ctx->insn_flags & ASE_MT); 5745 gen_helper_mfc0_tcschedule(arg, cpu_env); 5746 register_name = "TCSchedule"; 5747 break; 5748 case CP0_REG02__TCSCHEFBACK: 5749 CP0_CHECK(ctx->insn_flags & ASE_MT); 5750 gen_helper_mfc0_tcschefback(arg, cpu_env); 5751 register_name = "TCScheFBack"; 5752 break; 5753 default: 5754 goto cp0_unimplemented; 5755 } 5756 break; 5757 case CP0_REGISTER_03: 5758 switch (sel) { 5759 case CP0_REG03__ENTRYLO1: 5760 { 5761 TCGv_i64 tmp = tcg_temp_new_i64(); 5762 tcg_gen_ld_i64(tmp, cpu_env, 5763 offsetof(CPUMIPSState, CP0_EntryLo1)); 5764 #if defined(TARGET_MIPS64) 5765 if (ctx->rxi) { 5766 /* Move RI/XI fields to bits 31:30 */ 5767 tcg_gen_shri_tl(arg, tmp, CP0EnLo_XI); 5768 tcg_gen_deposit_tl(tmp, tmp, arg, 30, 2); 5769 } 5770 #endif 5771 gen_move_low32(arg, tmp); 5772 tcg_temp_free_i64(tmp); 5773 } 5774 register_name = "EntryLo1"; 5775 break; 5776 case CP0_REG03__GLOBALNUM: 5777 CP0_CHECK(ctx->vp); 5778 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber)); 5779 register_name = "GlobalNumber"; 5780 break; 5781 default: 5782 goto cp0_unimplemented; 5783 } 5784 break; 5785 case CP0_REGISTER_04: 5786 switch (sel) { 5787 case CP0_REG04__CONTEXT: 5788 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_Context)); 5789 tcg_gen_ext32s_tl(arg, arg); 5790 register_name = "Context"; 5791 break; 5792 case CP0_REG04__CONTEXTCONFIG: 5793 /* SmartMIPS ASE */ 5794 /* gen_helper_mfc0_contextconfig(arg); */ 5795 register_name = "ContextConfig"; 5796 goto cp0_unimplemented; 5797 case CP0_REG04__USERLOCAL: 5798 CP0_CHECK(ctx->ulri); 5799 tcg_gen_ld_tl(arg, cpu_env, 5800 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 5801 tcg_gen_ext32s_tl(arg, arg); 5802 register_name = "UserLocal"; 5803 break; 5804 case CP0_REG04__MMID: 5805 CP0_CHECK(ctx->mi); 5806 gen_helper_mtc0_memorymapid(cpu_env, arg); 5807 register_name = "MMID"; 5808 break; 5809 default: 5810 goto cp0_unimplemented; 5811 } 5812 break; 5813 case CP0_REGISTER_05: 5814 switch (sel) { 5815 case CP0_REG05__PAGEMASK: 5816 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageMask)); 5817 register_name = "PageMask"; 5818 break; 5819 case CP0_REG05__PAGEGRAIN: 5820 check_insn(ctx, ISA_MIPS_R2); 5821 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageGrain)); 5822 register_name = "PageGrain"; 5823 break; 5824 case CP0_REG05__SEGCTL0: 5825 CP0_CHECK(ctx->sc); 5826 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_SegCtl0)); 5827 tcg_gen_ext32s_tl(arg, arg); 5828 register_name = "SegCtl0"; 5829 break; 5830 case CP0_REG05__SEGCTL1: 5831 CP0_CHECK(ctx->sc); 5832 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_SegCtl1)); 5833 tcg_gen_ext32s_tl(arg, arg); 5834 register_name = "SegCtl1"; 5835 break; 5836 case CP0_REG05__SEGCTL2: 5837 CP0_CHECK(ctx->sc); 5838 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_SegCtl2)); 5839 tcg_gen_ext32s_tl(arg, arg); 5840 register_name = "SegCtl2"; 5841 break; 5842 case CP0_REG05__PWBASE: 5843 check_pw(ctx); 5844 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWBase)); 5845 register_name = "PWBase"; 5846 break; 5847 case CP0_REG05__PWFIELD: 5848 check_pw(ctx); 5849 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWField)); 5850 register_name = "PWField"; 5851 break; 5852 case CP0_REG05__PWSIZE: 5853 check_pw(ctx); 5854 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWSize)); 5855 register_name = "PWSize"; 5856 break; 5857 default: 5858 goto cp0_unimplemented; 5859 } 5860 break; 5861 case CP0_REGISTER_06: 5862 switch (sel) { 5863 case CP0_REG06__WIRED: 5864 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Wired)); 5865 register_name = "Wired"; 5866 break; 5867 case CP0_REG06__SRSCONF0: 5868 check_insn(ctx, ISA_MIPS_R2); 5869 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf0)); 5870 register_name = "SRSConf0"; 5871 break; 5872 case CP0_REG06__SRSCONF1: 5873 check_insn(ctx, ISA_MIPS_R2); 5874 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf1)); 5875 register_name = "SRSConf1"; 5876 break; 5877 case CP0_REG06__SRSCONF2: 5878 check_insn(ctx, ISA_MIPS_R2); 5879 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf2)); 5880 register_name = "SRSConf2"; 5881 break; 5882 case CP0_REG06__SRSCONF3: 5883 check_insn(ctx, ISA_MIPS_R2); 5884 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf3)); 5885 register_name = "SRSConf3"; 5886 break; 5887 case CP0_REG06__SRSCONF4: 5888 check_insn(ctx, ISA_MIPS_R2); 5889 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4)); 5890 register_name = "SRSConf4"; 5891 break; 5892 case CP0_REG06__PWCTL: 5893 check_pw(ctx); 5894 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl)); 5895 register_name = "PWCtl"; 5896 break; 5897 default: 5898 goto cp0_unimplemented; 5899 } 5900 break; 5901 case CP0_REGISTER_07: 5902 switch (sel) { 5903 case CP0_REG07__HWRENA: 5904 check_insn(ctx, ISA_MIPS_R2); 5905 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_HWREna)); 5906 register_name = "HWREna"; 5907 break; 5908 default: 5909 goto cp0_unimplemented; 5910 } 5911 break; 5912 case CP0_REGISTER_08: 5913 switch (sel) { 5914 case CP0_REG08__BADVADDR: 5915 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_BadVAddr)); 5916 tcg_gen_ext32s_tl(arg, arg); 5917 register_name = "BadVAddr"; 5918 break; 5919 case CP0_REG08__BADINSTR: 5920 CP0_CHECK(ctx->bi); 5921 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstr)); 5922 register_name = "BadInstr"; 5923 break; 5924 case CP0_REG08__BADINSTRP: 5925 CP0_CHECK(ctx->bp); 5926 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP)); 5927 register_name = "BadInstrP"; 5928 break; 5929 case CP0_REG08__BADINSTRX: 5930 CP0_CHECK(ctx->bi); 5931 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrX)); 5932 tcg_gen_andi_tl(arg, arg, ~0xffff); 5933 register_name = "BadInstrX"; 5934 break; 5935 default: 5936 goto cp0_unimplemented; 5937 } 5938 break; 5939 case CP0_REGISTER_09: 5940 switch (sel) { 5941 case CP0_REG09__COUNT: 5942 /* Mark as an IO operation because we read the time. */ 5943 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 5944 gen_io_start(); 5945 } 5946 gen_helper_mfc0_count(arg, cpu_env); 5947 /* 5948 * Break the TB to be able to take timer interrupts immediately 5949 * after reading count. DISAS_STOP isn't sufficient, we need to 5950 * ensure we break completely out of translated code. 5951 */ 5952 gen_save_pc(ctx->base.pc_next + 4); 5953 ctx->base.is_jmp = DISAS_EXIT; 5954 register_name = "Count"; 5955 break; 5956 case CP0_REG09__SAARI: 5957 CP0_CHECK(ctx->saar); 5958 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SAARI)); 5959 register_name = "SAARI"; 5960 break; 5961 case CP0_REG09__SAAR: 5962 CP0_CHECK(ctx->saar); 5963 gen_helper_mfc0_saar(arg, cpu_env); 5964 register_name = "SAAR"; 5965 break; 5966 default: 5967 goto cp0_unimplemented; 5968 } 5969 break; 5970 case CP0_REGISTER_10: 5971 switch (sel) { 5972 case CP0_REG10__ENTRYHI: 5973 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EntryHi)); 5974 tcg_gen_ext32s_tl(arg, arg); 5975 register_name = "EntryHi"; 5976 break; 5977 default: 5978 goto cp0_unimplemented; 5979 } 5980 break; 5981 case CP0_REGISTER_11: 5982 switch (sel) { 5983 case CP0_REG11__COMPARE: 5984 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Compare)); 5985 register_name = "Compare"; 5986 break; 5987 /* 6,7 are implementation dependent */ 5988 default: 5989 goto cp0_unimplemented; 5990 } 5991 break; 5992 case CP0_REGISTER_12: 5993 switch (sel) { 5994 case CP0_REG12__STATUS: 5995 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status)); 5996 register_name = "Status"; 5997 break; 5998 case CP0_REG12__INTCTL: 5999 check_insn(ctx, ISA_MIPS_R2); 6000 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl)); 6001 register_name = "IntCtl"; 6002 break; 6003 case CP0_REG12__SRSCTL: 6004 check_insn(ctx, ISA_MIPS_R2); 6005 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl)); 6006 register_name = "SRSCtl"; 6007 break; 6008 case CP0_REG12__SRSMAP: 6009 check_insn(ctx, ISA_MIPS_R2); 6010 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap)); 6011 register_name = "SRSMap"; 6012 break; 6013 default: 6014 goto cp0_unimplemented; 6015 } 6016 break; 6017 case CP0_REGISTER_13: 6018 switch (sel) { 6019 case CP0_REG13__CAUSE: 6020 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause)); 6021 register_name = "Cause"; 6022 break; 6023 default: 6024 goto cp0_unimplemented; 6025 } 6026 break; 6027 case CP0_REGISTER_14: 6028 switch (sel) { 6029 case CP0_REG14__EPC: 6030 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EPC)); 6031 tcg_gen_ext32s_tl(arg, arg); 6032 register_name = "EPC"; 6033 break; 6034 default: 6035 goto cp0_unimplemented; 6036 } 6037 break; 6038 case CP0_REGISTER_15: 6039 switch (sel) { 6040 case CP0_REG15__PRID: 6041 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PRid)); 6042 register_name = "PRid"; 6043 break; 6044 case CP0_REG15__EBASE: 6045 check_insn(ctx, ISA_MIPS_R2); 6046 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EBase)); 6047 tcg_gen_ext32s_tl(arg, arg); 6048 register_name = "EBase"; 6049 break; 6050 case CP0_REG15__CMGCRBASE: 6051 check_insn(ctx, ISA_MIPS_R2); 6052 CP0_CHECK(ctx->cmgcr); 6053 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_CMGCRBase)); 6054 tcg_gen_ext32s_tl(arg, arg); 6055 register_name = "CMGCRBase"; 6056 break; 6057 default: 6058 goto cp0_unimplemented; 6059 } 6060 break; 6061 case CP0_REGISTER_16: 6062 switch (sel) { 6063 case CP0_REG16__CONFIG: 6064 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config0)); 6065 register_name = "Config"; 6066 break; 6067 case CP0_REG16__CONFIG1: 6068 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config1)); 6069 register_name = "Config1"; 6070 break; 6071 case CP0_REG16__CONFIG2: 6072 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config2)); 6073 register_name = "Config2"; 6074 break; 6075 case CP0_REG16__CONFIG3: 6076 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config3)); 6077 register_name = "Config3"; 6078 break; 6079 case CP0_REG16__CONFIG4: 6080 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4)); 6081 register_name = "Config4"; 6082 break; 6083 case CP0_REG16__CONFIG5: 6084 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5)); 6085 register_name = "Config5"; 6086 break; 6087 /* 6,7 are implementation dependent */ 6088 case CP0_REG16__CONFIG6: 6089 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6)); 6090 register_name = "Config6"; 6091 break; 6092 case CP0_REG16__CONFIG7: 6093 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config7)); 6094 register_name = "Config7"; 6095 break; 6096 default: 6097 goto cp0_unimplemented; 6098 } 6099 break; 6100 case CP0_REGISTER_17: 6101 switch (sel) { 6102 case CP0_REG17__LLADDR: 6103 gen_helper_mfc0_lladdr(arg, cpu_env); 6104 register_name = "LLAddr"; 6105 break; 6106 case CP0_REG17__MAAR: 6107 CP0_CHECK(ctx->mrp); 6108 gen_helper_mfc0_maar(arg, cpu_env); 6109 register_name = "MAAR"; 6110 break; 6111 case CP0_REG17__MAARI: 6112 CP0_CHECK(ctx->mrp); 6113 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MAARI)); 6114 register_name = "MAARI"; 6115 break; 6116 default: 6117 goto cp0_unimplemented; 6118 } 6119 break; 6120 case CP0_REGISTER_18: 6121 switch (sel) { 6122 case CP0_REG18__WATCHLO0: 6123 case CP0_REG18__WATCHLO1: 6124 case CP0_REG18__WATCHLO2: 6125 case CP0_REG18__WATCHLO3: 6126 case CP0_REG18__WATCHLO4: 6127 case CP0_REG18__WATCHLO5: 6128 case CP0_REG18__WATCHLO6: 6129 case CP0_REG18__WATCHLO7: 6130 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 6131 gen_helper_1e0i(mfc0_watchlo, arg, sel); 6132 register_name = "WatchLo"; 6133 break; 6134 default: 6135 goto cp0_unimplemented; 6136 } 6137 break; 6138 case CP0_REGISTER_19: 6139 switch (sel) { 6140 case CP0_REG19__WATCHHI0: 6141 case CP0_REG19__WATCHHI1: 6142 case CP0_REG19__WATCHHI2: 6143 case CP0_REG19__WATCHHI3: 6144 case CP0_REG19__WATCHHI4: 6145 case CP0_REG19__WATCHHI5: 6146 case CP0_REG19__WATCHHI6: 6147 case CP0_REG19__WATCHHI7: 6148 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 6149 gen_helper_1e0i(mfc0_watchhi, arg, sel); 6150 register_name = "WatchHi"; 6151 break; 6152 default: 6153 goto cp0_unimplemented; 6154 } 6155 break; 6156 case CP0_REGISTER_20: 6157 switch (sel) { 6158 case CP0_REG20__XCONTEXT: 6159 #if defined(TARGET_MIPS64) 6160 check_insn(ctx, ISA_MIPS3); 6161 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_XContext)); 6162 tcg_gen_ext32s_tl(arg, arg); 6163 register_name = "XContext"; 6164 break; 6165 #endif 6166 default: 6167 goto cp0_unimplemented; 6168 } 6169 break; 6170 case CP0_REGISTER_21: 6171 /* Officially reserved, but sel 0 is used for R1x000 framemask */ 6172 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 6173 switch (sel) { 6174 case 0: 6175 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Framemask)); 6176 register_name = "Framemask"; 6177 break; 6178 default: 6179 goto cp0_unimplemented; 6180 } 6181 break; 6182 case CP0_REGISTER_22: 6183 tcg_gen_movi_tl(arg, 0); /* unimplemented */ 6184 register_name = "'Diagnostic"; /* implementation dependent */ 6185 break; 6186 case CP0_REGISTER_23: 6187 switch (sel) { 6188 case CP0_REG23__DEBUG: 6189 gen_helper_mfc0_debug(arg, cpu_env); /* EJTAG support */ 6190 register_name = "Debug"; 6191 break; 6192 case CP0_REG23__TRACECONTROL: 6193 /* PDtrace support */ 6194 /* gen_helper_mfc0_tracecontrol(arg); */ 6195 register_name = "TraceControl"; 6196 goto cp0_unimplemented; 6197 case CP0_REG23__TRACECONTROL2: 6198 /* PDtrace support */ 6199 /* gen_helper_mfc0_tracecontrol2(arg); */ 6200 register_name = "TraceControl2"; 6201 goto cp0_unimplemented; 6202 case CP0_REG23__USERTRACEDATA1: 6203 /* PDtrace support */ 6204 /* gen_helper_mfc0_usertracedata1(arg);*/ 6205 register_name = "UserTraceData1"; 6206 goto cp0_unimplemented; 6207 case CP0_REG23__TRACEIBPC: 6208 /* PDtrace support */ 6209 /* gen_helper_mfc0_traceibpc(arg); */ 6210 register_name = "TraceIBPC"; 6211 goto cp0_unimplemented; 6212 case CP0_REG23__TRACEDBPC: 6213 /* PDtrace support */ 6214 /* gen_helper_mfc0_tracedbpc(arg); */ 6215 register_name = "TraceDBPC"; 6216 goto cp0_unimplemented; 6217 default: 6218 goto cp0_unimplemented; 6219 } 6220 break; 6221 case CP0_REGISTER_24: 6222 switch (sel) { 6223 case CP0_REG24__DEPC: 6224 /* EJTAG support */ 6225 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_DEPC)); 6226 tcg_gen_ext32s_tl(arg, arg); 6227 register_name = "DEPC"; 6228 break; 6229 default: 6230 goto cp0_unimplemented; 6231 } 6232 break; 6233 case CP0_REGISTER_25: 6234 switch (sel) { 6235 case CP0_REG25__PERFCTL0: 6236 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Performance0)); 6237 register_name = "Performance0"; 6238 break; 6239 case CP0_REG25__PERFCNT0: 6240 /* gen_helper_mfc0_performance1(arg); */ 6241 register_name = "Performance1"; 6242 goto cp0_unimplemented; 6243 case CP0_REG25__PERFCTL1: 6244 /* gen_helper_mfc0_performance2(arg); */ 6245 register_name = "Performance2"; 6246 goto cp0_unimplemented; 6247 case CP0_REG25__PERFCNT1: 6248 /* gen_helper_mfc0_performance3(arg); */ 6249 register_name = "Performance3"; 6250 goto cp0_unimplemented; 6251 case CP0_REG25__PERFCTL2: 6252 /* gen_helper_mfc0_performance4(arg); */ 6253 register_name = "Performance4"; 6254 goto cp0_unimplemented; 6255 case CP0_REG25__PERFCNT2: 6256 /* gen_helper_mfc0_performance5(arg); */ 6257 register_name = "Performance5"; 6258 goto cp0_unimplemented; 6259 case CP0_REG25__PERFCTL3: 6260 /* gen_helper_mfc0_performance6(arg); */ 6261 register_name = "Performance6"; 6262 goto cp0_unimplemented; 6263 case CP0_REG25__PERFCNT3: 6264 /* gen_helper_mfc0_performance7(arg); */ 6265 register_name = "Performance7"; 6266 goto cp0_unimplemented; 6267 default: 6268 goto cp0_unimplemented; 6269 } 6270 break; 6271 case CP0_REGISTER_26: 6272 switch (sel) { 6273 case CP0_REG26__ERRCTL: 6274 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_ErrCtl)); 6275 register_name = "ErrCtl"; 6276 break; 6277 default: 6278 goto cp0_unimplemented; 6279 } 6280 break; 6281 case CP0_REGISTER_27: 6282 switch (sel) { 6283 case CP0_REG27__CACHERR: 6284 tcg_gen_movi_tl(arg, 0); /* unimplemented */ 6285 register_name = "CacheErr"; 6286 break; 6287 default: 6288 goto cp0_unimplemented; 6289 } 6290 break; 6291 case CP0_REGISTER_28: 6292 switch (sel) { 6293 case CP0_REG28__TAGLO: 6294 case CP0_REG28__TAGLO1: 6295 case CP0_REG28__TAGLO2: 6296 case CP0_REG28__TAGLO3: 6297 { 6298 TCGv_i64 tmp = tcg_temp_new_i64(); 6299 tcg_gen_ld_i64(tmp, cpu_env, offsetof(CPUMIPSState, CP0_TagLo)); 6300 gen_move_low32(arg, tmp); 6301 tcg_temp_free_i64(tmp); 6302 } 6303 register_name = "TagLo"; 6304 break; 6305 case CP0_REG28__DATALO: 6306 case CP0_REG28__DATALO1: 6307 case CP0_REG28__DATALO2: 6308 case CP0_REG28__DATALO3: 6309 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataLo)); 6310 register_name = "DataLo"; 6311 break; 6312 default: 6313 goto cp0_unimplemented; 6314 } 6315 break; 6316 case CP0_REGISTER_29: 6317 switch (sel) { 6318 case CP0_REG29__TAGHI: 6319 case CP0_REG29__TAGHI1: 6320 case CP0_REG29__TAGHI2: 6321 case CP0_REG29__TAGHI3: 6322 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagHi)); 6323 register_name = "TagHi"; 6324 break; 6325 case CP0_REG29__DATAHI: 6326 case CP0_REG29__DATAHI1: 6327 case CP0_REG29__DATAHI2: 6328 case CP0_REG29__DATAHI3: 6329 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataHi)); 6330 register_name = "DataHi"; 6331 break; 6332 default: 6333 goto cp0_unimplemented; 6334 } 6335 break; 6336 case CP0_REGISTER_30: 6337 switch (sel) { 6338 case CP0_REG30__ERROREPC: 6339 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_ErrorEPC)); 6340 tcg_gen_ext32s_tl(arg, arg); 6341 register_name = "ErrorEPC"; 6342 break; 6343 default: 6344 goto cp0_unimplemented; 6345 } 6346 break; 6347 case CP0_REGISTER_31: 6348 switch (sel) { 6349 case CP0_REG31__DESAVE: 6350 /* EJTAG support */ 6351 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE)); 6352 register_name = "DESAVE"; 6353 break; 6354 case CP0_REG31__KSCRATCH1: 6355 case CP0_REG31__KSCRATCH2: 6356 case CP0_REG31__KSCRATCH3: 6357 case CP0_REG31__KSCRATCH4: 6358 case CP0_REG31__KSCRATCH5: 6359 case CP0_REG31__KSCRATCH6: 6360 CP0_CHECK(ctx->kscrexist & (1 << sel)); 6361 tcg_gen_ld_tl(arg, cpu_env, 6362 offsetof(CPUMIPSState, CP0_KScratch[sel - 2])); 6363 tcg_gen_ext32s_tl(arg, arg); 6364 register_name = "KScratch"; 6365 break; 6366 default: 6367 goto cp0_unimplemented; 6368 } 6369 break; 6370 default: 6371 goto cp0_unimplemented; 6372 } 6373 trace_mips_translate_c0("mfc0", register_name, reg, sel); 6374 return; 6375 6376 cp0_unimplemented: 6377 qemu_log_mask(LOG_UNIMP, "mfc0 %s (reg %d sel %d)\n", 6378 register_name, reg, sel); 6379 gen_mfc0_unimplemented(ctx, arg); 6380 } 6381 6382 static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel) 6383 { 6384 const char *register_name = "invalid"; 6385 6386 if (sel != 0) { 6387 check_insn(ctx, ISA_MIPS_R1); 6388 } 6389 6390 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 6391 gen_io_start(); 6392 } 6393 6394 switch (reg) { 6395 case CP0_REGISTER_00: 6396 switch (sel) { 6397 case CP0_REG00__INDEX: 6398 gen_helper_mtc0_index(cpu_env, arg); 6399 register_name = "Index"; 6400 break; 6401 case CP0_REG00__MVPCONTROL: 6402 CP0_CHECK(ctx->insn_flags & ASE_MT); 6403 gen_helper_mtc0_mvpcontrol(cpu_env, arg); 6404 register_name = "MVPControl"; 6405 break; 6406 case CP0_REG00__MVPCONF0: 6407 CP0_CHECK(ctx->insn_flags & ASE_MT); 6408 /* ignored */ 6409 register_name = "MVPConf0"; 6410 break; 6411 case CP0_REG00__MVPCONF1: 6412 CP0_CHECK(ctx->insn_flags & ASE_MT); 6413 /* ignored */ 6414 register_name = "MVPConf1"; 6415 break; 6416 case CP0_REG00__VPCONTROL: 6417 CP0_CHECK(ctx->vp); 6418 /* ignored */ 6419 register_name = "VPControl"; 6420 break; 6421 default: 6422 goto cp0_unimplemented; 6423 } 6424 break; 6425 case CP0_REGISTER_01: 6426 switch (sel) { 6427 case CP0_REG01__RANDOM: 6428 /* ignored */ 6429 register_name = "Random"; 6430 break; 6431 case CP0_REG01__VPECONTROL: 6432 CP0_CHECK(ctx->insn_flags & ASE_MT); 6433 gen_helper_mtc0_vpecontrol(cpu_env, arg); 6434 register_name = "VPEControl"; 6435 break; 6436 case CP0_REG01__VPECONF0: 6437 CP0_CHECK(ctx->insn_flags & ASE_MT); 6438 gen_helper_mtc0_vpeconf0(cpu_env, arg); 6439 register_name = "VPEConf0"; 6440 break; 6441 case CP0_REG01__VPECONF1: 6442 CP0_CHECK(ctx->insn_flags & ASE_MT); 6443 gen_helper_mtc0_vpeconf1(cpu_env, arg); 6444 register_name = "VPEConf1"; 6445 break; 6446 case CP0_REG01__YQMASK: 6447 CP0_CHECK(ctx->insn_flags & ASE_MT); 6448 gen_helper_mtc0_yqmask(cpu_env, arg); 6449 register_name = "YQMask"; 6450 break; 6451 case CP0_REG01__VPESCHEDULE: 6452 CP0_CHECK(ctx->insn_flags & ASE_MT); 6453 tcg_gen_st_tl(arg, cpu_env, 6454 offsetof(CPUMIPSState, CP0_VPESchedule)); 6455 register_name = "VPESchedule"; 6456 break; 6457 case CP0_REG01__VPESCHEFBACK: 6458 CP0_CHECK(ctx->insn_flags & ASE_MT); 6459 tcg_gen_st_tl(arg, cpu_env, 6460 offsetof(CPUMIPSState, CP0_VPEScheFBack)); 6461 register_name = "VPEScheFBack"; 6462 break; 6463 case CP0_REG01__VPEOPT: 6464 CP0_CHECK(ctx->insn_flags & ASE_MT); 6465 gen_helper_mtc0_vpeopt(cpu_env, arg); 6466 register_name = "VPEOpt"; 6467 break; 6468 default: 6469 goto cp0_unimplemented; 6470 } 6471 break; 6472 case CP0_REGISTER_02: 6473 switch (sel) { 6474 case CP0_REG02__ENTRYLO0: 6475 gen_helper_mtc0_entrylo0(cpu_env, arg); 6476 register_name = "EntryLo0"; 6477 break; 6478 case CP0_REG02__TCSTATUS: 6479 CP0_CHECK(ctx->insn_flags & ASE_MT); 6480 gen_helper_mtc0_tcstatus(cpu_env, arg); 6481 register_name = "TCStatus"; 6482 break; 6483 case CP0_REG02__TCBIND: 6484 CP0_CHECK(ctx->insn_flags & ASE_MT); 6485 gen_helper_mtc0_tcbind(cpu_env, arg); 6486 register_name = "TCBind"; 6487 break; 6488 case CP0_REG02__TCRESTART: 6489 CP0_CHECK(ctx->insn_flags & ASE_MT); 6490 gen_helper_mtc0_tcrestart(cpu_env, arg); 6491 register_name = "TCRestart"; 6492 break; 6493 case CP0_REG02__TCHALT: 6494 CP0_CHECK(ctx->insn_flags & ASE_MT); 6495 gen_helper_mtc0_tchalt(cpu_env, arg); 6496 register_name = "TCHalt"; 6497 break; 6498 case CP0_REG02__TCCONTEXT: 6499 CP0_CHECK(ctx->insn_flags & ASE_MT); 6500 gen_helper_mtc0_tccontext(cpu_env, arg); 6501 register_name = "TCContext"; 6502 break; 6503 case CP0_REG02__TCSCHEDULE: 6504 CP0_CHECK(ctx->insn_flags & ASE_MT); 6505 gen_helper_mtc0_tcschedule(cpu_env, arg); 6506 register_name = "TCSchedule"; 6507 break; 6508 case CP0_REG02__TCSCHEFBACK: 6509 CP0_CHECK(ctx->insn_flags & ASE_MT); 6510 gen_helper_mtc0_tcschefback(cpu_env, arg); 6511 register_name = "TCScheFBack"; 6512 break; 6513 default: 6514 goto cp0_unimplemented; 6515 } 6516 break; 6517 case CP0_REGISTER_03: 6518 switch (sel) { 6519 case CP0_REG03__ENTRYLO1: 6520 gen_helper_mtc0_entrylo1(cpu_env, arg); 6521 register_name = "EntryLo1"; 6522 break; 6523 case CP0_REG03__GLOBALNUM: 6524 CP0_CHECK(ctx->vp); 6525 /* ignored */ 6526 register_name = "GlobalNumber"; 6527 break; 6528 default: 6529 goto cp0_unimplemented; 6530 } 6531 break; 6532 case CP0_REGISTER_04: 6533 switch (sel) { 6534 case CP0_REG04__CONTEXT: 6535 gen_helper_mtc0_context(cpu_env, arg); 6536 register_name = "Context"; 6537 break; 6538 case CP0_REG04__CONTEXTCONFIG: 6539 /* SmartMIPS ASE */ 6540 /* gen_helper_mtc0_contextconfig(arg); */ 6541 register_name = "ContextConfig"; 6542 goto cp0_unimplemented; 6543 case CP0_REG04__USERLOCAL: 6544 CP0_CHECK(ctx->ulri); 6545 tcg_gen_st_tl(arg, cpu_env, 6546 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 6547 register_name = "UserLocal"; 6548 break; 6549 case CP0_REG04__MMID: 6550 CP0_CHECK(ctx->mi); 6551 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MemoryMapID)); 6552 register_name = "MMID"; 6553 break; 6554 default: 6555 goto cp0_unimplemented; 6556 } 6557 break; 6558 case CP0_REGISTER_05: 6559 switch (sel) { 6560 case CP0_REG05__PAGEMASK: 6561 gen_helper_mtc0_pagemask(cpu_env, arg); 6562 register_name = "PageMask"; 6563 break; 6564 case CP0_REG05__PAGEGRAIN: 6565 check_insn(ctx, ISA_MIPS_R2); 6566 gen_helper_mtc0_pagegrain(cpu_env, arg); 6567 register_name = "PageGrain"; 6568 ctx->base.is_jmp = DISAS_STOP; 6569 break; 6570 case CP0_REG05__SEGCTL0: 6571 CP0_CHECK(ctx->sc); 6572 gen_helper_mtc0_segctl0(cpu_env, arg); 6573 register_name = "SegCtl0"; 6574 break; 6575 case CP0_REG05__SEGCTL1: 6576 CP0_CHECK(ctx->sc); 6577 gen_helper_mtc0_segctl1(cpu_env, arg); 6578 register_name = "SegCtl1"; 6579 break; 6580 case CP0_REG05__SEGCTL2: 6581 CP0_CHECK(ctx->sc); 6582 gen_helper_mtc0_segctl2(cpu_env, arg); 6583 register_name = "SegCtl2"; 6584 break; 6585 case CP0_REG05__PWBASE: 6586 check_pw(ctx); 6587 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_PWBase)); 6588 register_name = "PWBase"; 6589 break; 6590 case CP0_REG05__PWFIELD: 6591 check_pw(ctx); 6592 gen_helper_mtc0_pwfield(cpu_env, arg); 6593 register_name = "PWField"; 6594 break; 6595 case CP0_REG05__PWSIZE: 6596 check_pw(ctx); 6597 gen_helper_mtc0_pwsize(cpu_env, arg); 6598 register_name = "PWSize"; 6599 break; 6600 default: 6601 goto cp0_unimplemented; 6602 } 6603 break; 6604 case CP0_REGISTER_06: 6605 switch (sel) { 6606 case CP0_REG06__WIRED: 6607 gen_helper_mtc0_wired(cpu_env, arg); 6608 register_name = "Wired"; 6609 break; 6610 case CP0_REG06__SRSCONF0: 6611 check_insn(ctx, ISA_MIPS_R2); 6612 gen_helper_mtc0_srsconf0(cpu_env, arg); 6613 register_name = "SRSConf0"; 6614 break; 6615 case CP0_REG06__SRSCONF1: 6616 check_insn(ctx, ISA_MIPS_R2); 6617 gen_helper_mtc0_srsconf1(cpu_env, arg); 6618 register_name = "SRSConf1"; 6619 break; 6620 case CP0_REG06__SRSCONF2: 6621 check_insn(ctx, ISA_MIPS_R2); 6622 gen_helper_mtc0_srsconf2(cpu_env, arg); 6623 register_name = "SRSConf2"; 6624 break; 6625 case CP0_REG06__SRSCONF3: 6626 check_insn(ctx, ISA_MIPS_R2); 6627 gen_helper_mtc0_srsconf3(cpu_env, arg); 6628 register_name = "SRSConf3"; 6629 break; 6630 case CP0_REG06__SRSCONF4: 6631 check_insn(ctx, ISA_MIPS_R2); 6632 gen_helper_mtc0_srsconf4(cpu_env, arg); 6633 register_name = "SRSConf4"; 6634 break; 6635 case CP0_REG06__PWCTL: 6636 check_pw(ctx); 6637 gen_helper_mtc0_pwctl(cpu_env, arg); 6638 register_name = "PWCtl"; 6639 break; 6640 default: 6641 goto cp0_unimplemented; 6642 } 6643 break; 6644 case CP0_REGISTER_07: 6645 switch (sel) { 6646 case CP0_REG07__HWRENA: 6647 check_insn(ctx, ISA_MIPS_R2); 6648 gen_helper_mtc0_hwrena(cpu_env, arg); 6649 ctx->base.is_jmp = DISAS_STOP; 6650 register_name = "HWREna"; 6651 break; 6652 default: 6653 goto cp0_unimplemented; 6654 } 6655 break; 6656 case CP0_REGISTER_08: 6657 switch (sel) { 6658 case CP0_REG08__BADVADDR: 6659 /* ignored */ 6660 register_name = "BadVAddr"; 6661 break; 6662 case CP0_REG08__BADINSTR: 6663 /* ignored */ 6664 register_name = "BadInstr"; 6665 break; 6666 case CP0_REG08__BADINSTRP: 6667 /* ignored */ 6668 register_name = "BadInstrP"; 6669 break; 6670 case CP0_REG08__BADINSTRX: 6671 /* ignored */ 6672 register_name = "BadInstrX"; 6673 break; 6674 default: 6675 goto cp0_unimplemented; 6676 } 6677 break; 6678 case CP0_REGISTER_09: 6679 switch (sel) { 6680 case CP0_REG09__COUNT: 6681 gen_helper_mtc0_count(cpu_env, arg); 6682 register_name = "Count"; 6683 break; 6684 case CP0_REG09__SAARI: 6685 CP0_CHECK(ctx->saar); 6686 gen_helper_mtc0_saari(cpu_env, arg); 6687 register_name = "SAARI"; 6688 break; 6689 case CP0_REG09__SAAR: 6690 CP0_CHECK(ctx->saar); 6691 gen_helper_mtc0_saar(cpu_env, arg); 6692 register_name = "SAAR"; 6693 break; 6694 default: 6695 goto cp0_unimplemented; 6696 } 6697 break; 6698 case CP0_REGISTER_10: 6699 switch (sel) { 6700 case CP0_REG10__ENTRYHI: 6701 gen_helper_mtc0_entryhi(cpu_env, arg); 6702 register_name = "EntryHi"; 6703 break; 6704 default: 6705 goto cp0_unimplemented; 6706 } 6707 break; 6708 case CP0_REGISTER_11: 6709 switch (sel) { 6710 case CP0_REG11__COMPARE: 6711 gen_helper_mtc0_compare(cpu_env, arg); 6712 register_name = "Compare"; 6713 break; 6714 /* 6,7 are implementation dependent */ 6715 default: 6716 goto cp0_unimplemented; 6717 } 6718 break; 6719 case CP0_REGISTER_12: 6720 switch (sel) { 6721 case CP0_REG12__STATUS: 6722 save_cpu_state(ctx, 1); 6723 gen_helper_mtc0_status(cpu_env, arg); 6724 /* DISAS_STOP isn't good enough here, hflags may have changed. */ 6725 gen_save_pc(ctx->base.pc_next + 4); 6726 ctx->base.is_jmp = DISAS_EXIT; 6727 register_name = "Status"; 6728 break; 6729 case CP0_REG12__INTCTL: 6730 check_insn(ctx, ISA_MIPS_R2); 6731 gen_helper_mtc0_intctl(cpu_env, arg); 6732 /* Stop translation as we may have switched the execution mode */ 6733 ctx->base.is_jmp = DISAS_STOP; 6734 register_name = "IntCtl"; 6735 break; 6736 case CP0_REG12__SRSCTL: 6737 check_insn(ctx, ISA_MIPS_R2); 6738 gen_helper_mtc0_srsctl(cpu_env, arg); 6739 /* Stop translation as we may have switched the execution mode */ 6740 ctx->base.is_jmp = DISAS_STOP; 6741 register_name = "SRSCtl"; 6742 break; 6743 case CP0_REG12__SRSMAP: 6744 check_insn(ctx, ISA_MIPS_R2); 6745 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap)); 6746 /* Stop translation as we may have switched the execution mode */ 6747 ctx->base.is_jmp = DISAS_STOP; 6748 register_name = "SRSMap"; 6749 break; 6750 default: 6751 goto cp0_unimplemented; 6752 } 6753 break; 6754 case CP0_REGISTER_13: 6755 switch (sel) { 6756 case CP0_REG13__CAUSE: 6757 save_cpu_state(ctx, 1); 6758 gen_helper_mtc0_cause(cpu_env, arg); 6759 /* 6760 * Stop translation as we may have triggered an interrupt. 6761 * DISAS_STOP isn't sufficient, we need to ensure we break out of 6762 * translated code to check for pending interrupts. 6763 */ 6764 gen_save_pc(ctx->base.pc_next + 4); 6765 ctx->base.is_jmp = DISAS_EXIT; 6766 register_name = "Cause"; 6767 break; 6768 default: 6769 goto cp0_unimplemented; 6770 } 6771 break; 6772 case CP0_REGISTER_14: 6773 switch (sel) { 6774 case CP0_REG14__EPC: 6775 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EPC)); 6776 register_name = "EPC"; 6777 break; 6778 default: 6779 goto cp0_unimplemented; 6780 } 6781 break; 6782 case CP0_REGISTER_15: 6783 switch (sel) { 6784 case CP0_REG15__PRID: 6785 /* ignored */ 6786 register_name = "PRid"; 6787 break; 6788 case CP0_REG15__EBASE: 6789 check_insn(ctx, ISA_MIPS_R2); 6790 gen_helper_mtc0_ebase(cpu_env, arg); 6791 register_name = "EBase"; 6792 break; 6793 default: 6794 goto cp0_unimplemented; 6795 } 6796 break; 6797 case CP0_REGISTER_16: 6798 switch (sel) { 6799 case CP0_REG16__CONFIG: 6800 gen_helper_mtc0_config0(cpu_env, arg); 6801 register_name = "Config"; 6802 /* Stop translation as we may have switched the execution mode */ 6803 ctx->base.is_jmp = DISAS_STOP; 6804 break; 6805 case CP0_REG16__CONFIG1: 6806 /* ignored, read only */ 6807 register_name = "Config1"; 6808 break; 6809 case CP0_REG16__CONFIG2: 6810 gen_helper_mtc0_config2(cpu_env, arg); 6811 register_name = "Config2"; 6812 /* Stop translation as we may have switched the execution mode */ 6813 ctx->base.is_jmp = DISAS_STOP; 6814 break; 6815 case CP0_REG16__CONFIG3: 6816 gen_helper_mtc0_config3(cpu_env, arg); 6817 register_name = "Config3"; 6818 /* Stop translation as we may have switched the execution mode */ 6819 ctx->base.is_jmp = DISAS_STOP; 6820 break; 6821 case CP0_REG16__CONFIG4: 6822 gen_helper_mtc0_config4(cpu_env, arg); 6823 register_name = "Config4"; 6824 ctx->base.is_jmp = DISAS_STOP; 6825 break; 6826 case CP0_REG16__CONFIG5: 6827 gen_helper_mtc0_config5(cpu_env, arg); 6828 register_name = "Config5"; 6829 /* Stop translation as we may have switched the execution mode */ 6830 ctx->base.is_jmp = DISAS_STOP; 6831 break; 6832 /* 6,7 are implementation dependent */ 6833 case CP0_REG16__CONFIG6: 6834 /* ignored */ 6835 register_name = "Config6"; 6836 break; 6837 case CP0_REG16__CONFIG7: 6838 /* ignored */ 6839 register_name = "Config7"; 6840 break; 6841 default: 6842 register_name = "Invalid config selector"; 6843 goto cp0_unimplemented; 6844 } 6845 break; 6846 case CP0_REGISTER_17: 6847 switch (sel) { 6848 case CP0_REG17__LLADDR: 6849 gen_helper_mtc0_lladdr(cpu_env, arg); 6850 register_name = "LLAddr"; 6851 break; 6852 case CP0_REG17__MAAR: 6853 CP0_CHECK(ctx->mrp); 6854 gen_helper_mtc0_maar(cpu_env, arg); 6855 register_name = "MAAR"; 6856 break; 6857 case CP0_REG17__MAARI: 6858 CP0_CHECK(ctx->mrp); 6859 gen_helper_mtc0_maari(cpu_env, arg); 6860 register_name = "MAARI"; 6861 break; 6862 default: 6863 goto cp0_unimplemented; 6864 } 6865 break; 6866 case CP0_REGISTER_18: 6867 switch (sel) { 6868 case CP0_REG18__WATCHLO0: 6869 case CP0_REG18__WATCHLO1: 6870 case CP0_REG18__WATCHLO2: 6871 case CP0_REG18__WATCHLO3: 6872 case CP0_REG18__WATCHLO4: 6873 case CP0_REG18__WATCHLO5: 6874 case CP0_REG18__WATCHLO6: 6875 case CP0_REG18__WATCHLO7: 6876 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 6877 gen_helper_0e1i(mtc0_watchlo, arg, sel); 6878 register_name = "WatchLo"; 6879 break; 6880 default: 6881 goto cp0_unimplemented; 6882 } 6883 break; 6884 case CP0_REGISTER_19: 6885 switch (sel) { 6886 case CP0_REG19__WATCHHI0: 6887 case CP0_REG19__WATCHHI1: 6888 case CP0_REG19__WATCHHI2: 6889 case CP0_REG19__WATCHHI3: 6890 case CP0_REG19__WATCHHI4: 6891 case CP0_REG19__WATCHHI5: 6892 case CP0_REG19__WATCHHI6: 6893 case CP0_REG19__WATCHHI7: 6894 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 6895 gen_helper_0e1i(mtc0_watchhi, arg, sel); 6896 register_name = "WatchHi"; 6897 break; 6898 default: 6899 goto cp0_unimplemented; 6900 } 6901 break; 6902 case CP0_REGISTER_20: 6903 switch (sel) { 6904 case CP0_REG20__XCONTEXT: 6905 #if defined(TARGET_MIPS64) 6906 check_insn(ctx, ISA_MIPS3); 6907 gen_helper_mtc0_xcontext(cpu_env, arg); 6908 register_name = "XContext"; 6909 break; 6910 #endif 6911 default: 6912 goto cp0_unimplemented; 6913 } 6914 break; 6915 case CP0_REGISTER_21: 6916 /* Officially reserved, but sel 0 is used for R1x000 framemask */ 6917 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 6918 switch (sel) { 6919 case 0: 6920 gen_helper_mtc0_framemask(cpu_env, arg); 6921 register_name = "Framemask"; 6922 break; 6923 default: 6924 goto cp0_unimplemented; 6925 } 6926 break; 6927 case CP0_REGISTER_22: 6928 /* ignored */ 6929 register_name = "Diagnostic"; /* implementation dependent */ 6930 break; 6931 case CP0_REGISTER_23: 6932 switch (sel) { 6933 case CP0_REG23__DEBUG: 6934 gen_helper_mtc0_debug(cpu_env, arg); /* EJTAG support */ 6935 /* DISAS_STOP isn't good enough here, hflags may have changed. */ 6936 gen_save_pc(ctx->base.pc_next + 4); 6937 ctx->base.is_jmp = DISAS_EXIT; 6938 register_name = "Debug"; 6939 break; 6940 case CP0_REG23__TRACECONTROL: 6941 /* PDtrace support */ 6942 /* gen_helper_mtc0_tracecontrol(cpu_env, arg); */ 6943 register_name = "TraceControl"; 6944 /* Stop translation as we may have switched the execution mode */ 6945 ctx->base.is_jmp = DISAS_STOP; 6946 goto cp0_unimplemented; 6947 case CP0_REG23__TRACECONTROL2: 6948 /* PDtrace support */ 6949 /* gen_helper_mtc0_tracecontrol2(cpu_env, arg); */ 6950 register_name = "TraceControl2"; 6951 /* Stop translation as we may have switched the execution mode */ 6952 ctx->base.is_jmp = DISAS_STOP; 6953 goto cp0_unimplemented; 6954 case CP0_REG23__USERTRACEDATA1: 6955 /* Stop translation as we may have switched the execution mode */ 6956 ctx->base.is_jmp = DISAS_STOP; 6957 /* PDtrace support */ 6958 /* gen_helper_mtc0_usertracedata1(cpu_env, arg);*/ 6959 register_name = "UserTraceData"; 6960 /* Stop translation as we may have switched the execution mode */ 6961 ctx->base.is_jmp = DISAS_STOP; 6962 goto cp0_unimplemented; 6963 case CP0_REG23__TRACEIBPC: 6964 /* PDtrace support */ 6965 /* gen_helper_mtc0_traceibpc(cpu_env, arg); */ 6966 /* Stop translation as we may have switched the execution mode */ 6967 ctx->base.is_jmp = DISAS_STOP; 6968 register_name = "TraceIBPC"; 6969 goto cp0_unimplemented; 6970 case CP0_REG23__TRACEDBPC: 6971 /* PDtrace support */ 6972 /* gen_helper_mtc0_tracedbpc(cpu_env, arg); */ 6973 /* Stop translation as we may have switched the execution mode */ 6974 ctx->base.is_jmp = DISAS_STOP; 6975 register_name = "TraceDBPC"; 6976 goto cp0_unimplemented; 6977 default: 6978 goto cp0_unimplemented; 6979 } 6980 break; 6981 case CP0_REGISTER_24: 6982 switch (sel) { 6983 case CP0_REG24__DEPC: 6984 /* EJTAG support */ 6985 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_DEPC)); 6986 register_name = "DEPC"; 6987 break; 6988 default: 6989 goto cp0_unimplemented; 6990 } 6991 break; 6992 case CP0_REGISTER_25: 6993 switch (sel) { 6994 case CP0_REG25__PERFCTL0: 6995 gen_helper_mtc0_performance0(cpu_env, arg); 6996 register_name = "Performance0"; 6997 break; 6998 case CP0_REG25__PERFCNT0: 6999 /* gen_helper_mtc0_performance1(arg); */ 7000 register_name = "Performance1"; 7001 goto cp0_unimplemented; 7002 case CP0_REG25__PERFCTL1: 7003 /* gen_helper_mtc0_performance2(arg); */ 7004 register_name = "Performance2"; 7005 goto cp0_unimplemented; 7006 case CP0_REG25__PERFCNT1: 7007 /* gen_helper_mtc0_performance3(arg); */ 7008 register_name = "Performance3"; 7009 goto cp0_unimplemented; 7010 case CP0_REG25__PERFCTL2: 7011 /* gen_helper_mtc0_performance4(arg); */ 7012 register_name = "Performance4"; 7013 goto cp0_unimplemented; 7014 case CP0_REG25__PERFCNT2: 7015 /* gen_helper_mtc0_performance5(arg); */ 7016 register_name = "Performance5"; 7017 goto cp0_unimplemented; 7018 case CP0_REG25__PERFCTL3: 7019 /* gen_helper_mtc0_performance6(arg); */ 7020 register_name = "Performance6"; 7021 goto cp0_unimplemented; 7022 case CP0_REG25__PERFCNT3: 7023 /* gen_helper_mtc0_performance7(arg); */ 7024 register_name = "Performance7"; 7025 goto cp0_unimplemented; 7026 default: 7027 goto cp0_unimplemented; 7028 } 7029 break; 7030 case CP0_REGISTER_26: 7031 switch (sel) { 7032 case CP0_REG26__ERRCTL: 7033 gen_helper_mtc0_errctl(cpu_env, arg); 7034 ctx->base.is_jmp = DISAS_STOP; 7035 register_name = "ErrCtl"; 7036 break; 7037 default: 7038 goto cp0_unimplemented; 7039 } 7040 break; 7041 case CP0_REGISTER_27: 7042 switch (sel) { 7043 case CP0_REG27__CACHERR: 7044 /* ignored */ 7045 register_name = "CacheErr"; 7046 break; 7047 default: 7048 goto cp0_unimplemented; 7049 } 7050 break; 7051 case CP0_REGISTER_28: 7052 switch (sel) { 7053 case CP0_REG28__TAGLO: 7054 case CP0_REG28__TAGLO1: 7055 case CP0_REG28__TAGLO2: 7056 case CP0_REG28__TAGLO3: 7057 gen_helper_mtc0_taglo(cpu_env, arg); 7058 register_name = "TagLo"; 7059 break; 7060 case CP0_REG28__DATALO: 7061 case CP0_REG28__DATALO1: 7062 case CP0_REG28__DATALO2: 7063 case CP0_REG28__DATALO3: 7064 gen_helper_mtc0_datalo(cpu_env, arg); 7065 register_name = "DataLo"; 7066 break; 7067 default: 7068 goto cp0_unimplemented; 7069 } 7070 break; 7071 case CP0_REGISTER_29: 7072 switch (sel) { 7073 case CP0_REG29__TAGHI: 7074 case CP0_REG29__TAGHI1: 7075 case CP0_REG29__TAGHI2: 7076 case CP0_REG29__TAGHI3: 7077 gen_helper_mtc0_taghi(cpu_env, arg); 7078 register_name = "TagHi"; 7079 break; 7080 case CP0_REG29__DATAHI: 7081 case CP0_REG29__DATAHI1: 7082 case CP0_REG29__DATAHI2: 7083 case CP0_REG29__DATAHI3: 7084 gen_helper_mtc0_datahi(cpu_env, arg); 7085 register_name = "DataHi"; 7086 break; 7087 default: 7088 register_name = "invalid sel"; 7089 goto cp0_unimplemented; 7090 } 7091 break; 7092 case CP0_REGISTER_30: 7093 switch (sel) { 7094 case CP0_REG30__ERROREPC: 7095 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_ErrorEPC)); 7096 register_name = "ErrorEPC"; 7097 break; 7098 default: 7099 goto cp0_unimplemented; 7100 } 7101 break; 7102 case CP0_REGISTER_31: 7103 switch (sel) { 7104 case CP0_REG31__DESAVE: 7105 /* EJTAG support */ 7106 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE)); 7107 register_name = "DESAVE"; 7108 break; 7109 case CP0_REG31__KSCRATCH1: 7110 case CP0_REG31__KSCRATCH2: 7111 case CP0_REG31__KSCRATCH3: 7112 case CP0_REG31__KSCRATCH4: 7113 case CP0_REG31__KSCRATCH5: 7114 case CP0_REG31__KSCRATCH6: 7115 CP0_CHECK(ctx->kscrexist & (1 << sel)); 7116 tcg_gen_st_tl(arg, cpu_env, 7117 offsetof(CPUMIPSState, CP0_KScratch[sel - 2])); 7118 register_name = "KScratch"; 7119 break; 7120 default: 7121 goto cp0_unimplemented; 7122 } 7123 break; 7124 default: 7125 goto cp0_unimplemented; 7126 } 7127 trace_mips_translate_c0("mtc0", register_name, reg, sel); 7128 7129 /* For simplicity assume that all writes can cause interrupts. */ 7130 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 7131 /* 7132 * DISAS_STOP isn't sufficient, we need to ensure we break out of 7133 * translated code to check for pending interrupts. 7134 */ 7135 gen_save_pc(ctx->base.pc_next + 4); 7136 ctx->base.is_jmp = DISAS_EXIT; 7137 } 7138 return; 7139 7140 cp0_unimplemented: 7141 qemu_log_mask(LOG_UNIMP, "mtc0 %s (reg %d sel %d)\n", 7142 register_name, reg, sel); 7143 } 7144 7145 #if defined(TARGET_MIPS64) 7146 static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel) 7147 { 7148 const char *register_name = "invalid"; 7149 7150 if (sel != 0) { 7151 check_insn(ctx, ISA_MIPS_R1); 7152 } 7153 7154 switch (reg) { 7155 case CP0_REGISTER_00: 7156 switch (sel) { 7157 case CP0_REG00__INDEX: 7158 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Index)); 7159 register_name = "Index"; 7160 break; 7161 case CP0_REG00__MVPCONTROL: 7162 CP0_CHECK(ctx->insn_flags & ASE_MT); 7163 gen_helper_mfc0_mvpcontrol(arg, cpu_env); 7164 register_name = "MVPControl"; 7165 break; 7166 case CP0_REG00__MVPCONF0: 7167 CP0_CHECK(ctx->insn_flags & ASE_MT); 7168 gen_helper_mfc0_mvpconf0(arg, cpu_env); 7169 register_name = "MVPConf0"; 7170 break; 7171 case CP0_REG00__MVPCONF1: 7172 CP0_CHECK(ctx->insn_flags & ASE_MT); 7173 gen_helper_mfc0_mvpconf1(arg, cpu_env); 7174 register_name = "MVPConf1"; 7175 break; 7176 case CP0_REG00__VPCONTROL: 7177 CP0_CHECK(ctx->vp); 7178 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPControl)); 7179 register_name = "VPControl"; 7180 break; 7181 default: 7182 goto cp0_unimplemented; 7183 } 7184 break; 7185 case CP0_REGISTER_01: 7186 switch (sel) { 7187 case CP0_REG01__RANDOM: 7188 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 7189 gen_helper_mfc0_random(arg, cpu_env); 7190 register_name = "Random"; 7191 break; 7192 case CP0_REG01__VPECONTROL: 7193 CP0_CHECK(ctx->insn_flags & ASE_MT); 7194 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl)); 7195 register_name = "VPEControl"; 7196 break; 7197 case CP0_REG01__VPECONF0: 7198 CP0_CHECK(ctx->insn_flags & ASE_MT); 7199 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0)); 7200 register_name = "VPEConf0"; 7201 break; 7202 case CP0_REG01__VPECONF1: 7203 CP0_CHECK(ctx->insn_flags & ASE_MT); 7204 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1)); 7205 register_name = "VPEConf1"; 7206 break; 7207 case CP0_REG01__YQMASK: 7208 CP0_CHECK(ctx->insn_flags & ASE_MT); 7209 tcg_gen_ld_tl(arg, cpu_env, 7210 offsetof(CPUMIPSState, CP0_YQMask)); 7211 register_name = "YQMask"; 7212 break; 7213 case CP0_REG01__VPESCHEDULE: 7214 CP0_CHECK(ctx->insn_flags & ASE_MT); 7215 tcg_gen_ld_tl(arg, cpu_env, 7216 offsetof(CPUMIPSState, CP0_VPESchedule)); 7217 register_name = "VPESchedule"; 7218 break; 7219 case CP0_REG01__VPESCHEFBACK: 7220 CP0_CHECK(ctx->insn_flags & ASE_MT); 7221 tcg_gen_ld_tl(arg, cpu_env, 7222 offsetof(CPUMIPSState, CP0_VPEScheFBack)); 7223 register_name = "VPEScheFBack"; 7224 break; 7225 case CP0_REG01__VPEOPT: 7226 CP0_CHECK(ctx->insn_flags & ASE_MT); 7227 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt)); 7228 register_name = "VPEOpt"; 7229 break; 7230 default: 7231 goto cp0_unimplemented; 7232 } 7233 break; 7234 case CP0_REGISTER_02: 7235 switch (sel) { 7236 case CP0_REG02__ENTRYLO0: 7237 tcg_gen_ld_tl(arg, cpu_env, 7238 offsetof(CPUMIPSState, CP0_EntryLo0)); 7239 register_name = "EntryLo0"; 7240 break; 7241 case CP0_REG02__TCSTATUS: 7242 CP0_CHECK(ctx->insn_flags & ASE_MT); 7243 gen_helper_mfc0_tcstatus(arg, cpu_env); 7244 register_name = "TCStatus"; 7245 break; 7246 case CP0_REG02__TCBIND: 7247 CP0_CHECK(ctx->insn_flags & ASE_MT); 7248 gen_helper_mfc0_tcbind(arg, cpu_env); 7249 register_name = "TCBind"; 7250 break; 7251 case CP0_REG02__TCRESTART: 7252 CP0_CHECK(ctx->insn_flags & ASE_MT); 7253 gen_helper_dmfc0_tcrestart(arg, cpu_env); 7254 register_name = "TCRestart"; 7255 break; 7256 case CP0_REG02__TCHALT: 7257 CP0_CHECK(ctx->insn_flags & ASE_MT); 7258 gen_helper_dmfc0_tchalt(arg, cpu_env); 7259 register_name = "TCHalt"; 7260 break; 7261 case CP0_REG02__TCCONTEXT: 7262 CP0_CHECK(ctx->insn_flags & ASE_MT); 7263 gen_helper_dmfc0_tccontext(arg, cpu_env); 7264 register_name = "TCContext"; 7265 break; 7266 case CP0_REG02__TCSCHEDULE: 7267 CP0_CHECK(ctx->insn_flags & ASE_MT); 7268 gen_helper_dmfc0_tcschedule(arg, cpu_env); 7269 register_name = "TCSchedule"; 7270 break; 7271 case CP0_REG02__TCSCHEFBACK: 7272 CP0_CHECK(ctx->insn_flags & ASE_MT); 7273 gen_helper_dmfc0_tcschefback(arg, cpu_env); 7274 register_name = "TCScheFBack"; 7275 break; 7276 default: 7277 goto cp0_unimplemented; 7278 } 7279 break; 7280 case CP0_REGISTER_03: 7281 switch (sel) { 7282 case CP0_REG03__ENTRYLO1: 7283 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EntryLo1)); 7284 register_name = "EntryLo1"; 7285 break; 7286 case CP0_REG03__GLOBALNUM: 7287 CP0_CHECK(ctx->vp); 7288 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber)); 7289 register_name = "GlobalNumber"; 7290 break; 7291 default: 7292 goto cp0_unimplemented; 7293 } 7294 break; 7295 case CP0_REGISTER_04: 7296 switch (sel) { 7297 case CP0_REG04__CONTEXT: 7298 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_Context)); 7299 register_name = "Context"; 7300 break; 7301 case CP0_REG04__CONTEXTCONFIG: 7302 /* SmartMIPS ASE */ 7303 /* gen_helper_dmfc0_contextconfig(arg); */ 7304 register_name = "ContextConfig"; 7305 goto cp0_unimplemented; 7306 case CP0_REG04__USERLOCAL: 7307 CP0_CHECK(ctx->ulri); 7308 tcg_gen_ld_tl(arg, cpu_env, 7309 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 7310 register_name = "UserLocal"; 7311 break; 7312 case CP0_REG04__MMID: 7313 CP0_CHECK(ctx->mi); 7314 gen_helper_mtc0_memorymapid(cpu_env, arg); 7315 register_name = "MMID"; 7316 break; 7317 default: 7318 goto cp0_unimplemented; 7319 } 7320 break; 7321 case CP0_REGISTER_05: 7322 switch (sel) { 7323 case CP0_REG05__PAGEMASK: 7324 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageMask)); 7325 register_name = "PageMask"; 7326 break; 7327 case CP0_REG05__PAGEGRAIN: 7328 check_insn(ctx, ISA_MIPS_R2); 7329 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageGrain)); 7330 register_name = "PageGrain"; 7331 break; 7332 case CP0_REG05__SEGCTL0: 7333 CP0_CHECK(ctx->sc); 7334 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_SegCtl0)); 7335 register_name = "SegCtl0"; 7336 break; 7337 case CP0_REG05__SEGCTL1: 7338 CP0_CHECK(ctx->sc); 7339 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_SegCtl1)); 7340 register_name = "SegCtl1"; 7341 break; 7342 case CP0_REG05__SEGCTL2: 7343 CP0_CHECK(ctx->sc); 7344 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_SegCtl2)); 7345 register_name = "SegCtl2"; 7346 break; 7347 case CP0_REG05__PWBASE: 7348 check_pw(ctx); 7349 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_PWBase)); 7350 register_name = "PWBase"; 7351 break; 7352 case CP0_REG05__PWFIELD: 7353 check_pw(ctx); 7354 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_PWField)); 7355 register_name = "PWField"; 7356 break; 7357 case CP0_REG05__PWSIZE: 7358 check_pw(ctx); 7359 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_PWSize)); 7360 register_name = "PWSize"; 7361 break; 7362 default: 7363 goto cp0_unimplemented; 7364 } 7365 break; 7366 case CP0_REGISTER_06: 7367 switch (sel) { 7368 case CP0_REG06__WIRED: 7369 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Wired)); 7370 register_name = "Wired"; 7371 break; 7372 case CP0_REG06__SRSCONF0: 7373 check_insn(ctx, ISA_MIPS_R2); 7374 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf0)); 7375 register_name = "SRSConf0"; 7376 break; 7377 case CP0_REG06__SRSCONF1: 7378 check_insn(ctx, ISA_MIPS_R2); 7379 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf1)); 7380 register_name = "SRSConf1"; 7381 break; 7382 case CP0_REG06__SRSCONF2: 7383 check_insn(ctx, ISA_MIPS_R2); 7384 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf2)); 7385 register_name = "SRSConf2"; 7386 break; 7387 case CP0_REG06__SRSCONF3: 7388 check_insn(ctx, ISA_MIPS_R2); 7389 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf3)); 7390 register_name = "SRSConf3"; 7391 break; 7392 case CP0_REG06__SRSCONF4: 7393 check_insn(ctx, ISA_MIPS_R2); 7394 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4)); 7395 register_name = "SRSConf4"; 7396 break; 7397 case CP0_REG06__PWCTL: 7398 check_pw(ctx); 7399 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl)); 7400 register_name = "PWCtl"; 7401 break; 7402 default: 7403 goto cp0_unimplemented; 7404 } 7405 break; 7406 case CP0_REGISTER_07: 7407 switch (sel) { 7408 case CP0_REG07__HWRENA: 7409 check_insn(ctx, ISA_MIPS_R2); 7410 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_HWREna)); 7411 register_name = "HWREna"; 7412 break; 7413 default: 7414 goto cp0_unimplemented; 7415 } 7416 break; 7417 case CP0_REGISTER_08: 7418 switch (sel) { 7419 case CP0_REG08__BADVADDR: 7420 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_BadVAddr)); 7421 register_name = "BadVAddr"; 7422 break; 7423 case CP0_REG08__BADINSTR: 7424 CP0_CHECK(ctx->bi); 7425 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstr)); 7426 register_name = "BadInstr"; 7427 break; 7428 case CP0_REG08__BADINSTRP: 7429 CP0_CHECK(ctx->bp); 7430 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP)); 7431 register_name = "BadInstrP"; 7432 break; 7433 case CP0_REG08__BADINSTRX: 7434 CP0_CHECK(ctx->bi); 7435 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrX)); 7436 tcg_gen_andi_tl(arg, arg, ~0xffff); 7437 register_name = "BadInstrX"; 7438 break; 7439 default: 7440 goto cp0_unimplemented; 7441 } 7442 break; 7443 case CP0_REGISTER_09: 7444 switch (sel) { 7445 case CP0_REG09__COUNT: 7446 /* Mark as an IO operation because we read the time. */ 7447 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 7448 gen_io_start(); 7449 } 7450 gen_helper_mfc0_count(arg, cpu_env); 7451 /* 7452 * Break the TB to be able to take timer interrupts immediately 7453 * after reading count. DISAS_STOP isn't sufficient, we need to 7454 * ensure we break completely out of translated code. 7455 */ 7456 gen_save_pc(ctx->base.pc_next + 4); 7457 ctx->base.is_jmp = DISAS_EXIT; 7458 register_name = "Count"; 7459 break; 7460 case CP0_REG09__SAARI: 7461 CP0_CHECK(ctx->saar); 7462 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SAARI)); 7463 register_name = "SAARI"; 7464 break; 7465 case CP0_REG09__SAAR: 7466 CP0_CHECK(ctx->saar); 7467 gen_helper_dmfc0_saar(arg, cpu_env); 7468 register_name = "SAAR"; 7469 break; 7470 default: 7471 goto cp0_unimplemented; 7472 } 7473 break; 7474 case CP0_REGISTER_10: 7475 switch (sel) { 7476 case CP0_REG10__ENTRYHI: 7477 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EntryHi)); 7478 register_name = "EntryHi"; 7479 break; 7480 default: 7481 goto cp0_unimplemented; 7482 } 7483 break; 7484 case CP0_REGISTER_11: 7485 switch (sel) { 7486 case CP0_REG11__COMPARE: 7487 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Compare)); 7488 register_name = "Compare"; 7489 break; 7490 /* 6,7 are implementation dependent */ 7491 default: 7492 goto cp0_unimplemented; 7493 } 7494 break; 7495 case CP0_REGISTER_12: 7496 switch (sel) { 7497 case CP0_REG12__STATUS: 7498 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status)); 7499 register_name = "Status"; 7500 break; 7501 case CP0_REG12__INTCTL: 7502 check_insn(ctx, ISA_MIPS_R2); 7503 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl)); 7504 register_name = "IntCtl"; 7505 break; 7506 case CP0_REG12__SRSCTL: 7507 check_insn(ctx, ISA_MIPS_R2); 7508 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl)); 7509 register_name = "SRSCtl"; 7510 break; 7511 case CP0_REG12__SRSMAP: 7512 check_insn(ctx, ISA_MIPS_R2); 7513 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap)); 7514 register_name = "SRSMap"; 7515 break; 7516 default: 7517 goto cp0_unimplemented; 7518 } 7519 break; 7520 case CP0_REGISTER_13: 7521 switch (sel) { 7522 case CP0_REG13__CAUSE: 7523 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause)); 7524 register_name = "Cause"; 7525 break; 7526 default: 7527 goto cp0_unimplemented; 7528 } 7529 break; 7530 case CP0_REGISTER_14: 7531 switch (sel) { 7532 case CP0_REG14__EPC: 7533 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EPC)); 7534 register_name = "EPC"; 7535 break; 7536 default: 7537 goto cp0_unimplemented; 7538 } 7539 break; 7540 case CP0_REGISTER_15: 7541 switch (sel) { 7542 case CP0_REG15__PRID: 7543 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PRid)); 7544 register_name = "PRid"; 7545 break; 7546 case CP0_REG15__EBASE: 7547 check_insn(ctx, ISA_MIPS_R2); 7548 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EBase)); 7549 register_name = "EBase"; 7550 break; 7551 case CP0_REG15__CMGCRBASE: 7552 check_insn(ctx, ISA_MIPS_R2); 7553 CP0_CHECK(ctx->cmgcr); 7554 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_CMGCRBase)); 7555 register_name = "CMGCRBase"; 7556 break; 7557 default: 7558 goto cp0_unimplemented; 7559 } 7560 break; 7561 case CP0_REGISTER_16: 7562 switch (sel) { 7563 case CP0_REG16__CONFIG: 7564 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config0)); 7565 register_name = "Config"; 7566 break; 7567 case CP0_REG16__CONFIG1: 7568 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config1)); 7569 register_name = "Config1"; 7570 break; 7571 case CP0_REG16__CONFIG2: 7572 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config2)); 7573 register_name = "Config2"; 7574 break; 7575 case CP0_REG16__CONFIG3: 7576 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config3)); 7577 register_name = "Config3"; 7578 break; 7579 case CP0_REG16__CONFIG4: 7580 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4)); 7581 register_name = "Config4"; 7582 break; 7583 case CP0_REG16__CONFIG5: 7584 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5)); 7585 register_name = "Config5"; 7586 break; 7587 /* 6,7 are implementation dependent */ 7588 case CP0_REG16__CONFIG6: 7589 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6)); 7590 register_name = "Config6"; 7591 break; 7592 case CP0_REG16__CONFIG7: 7593 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config7)); 7594 register_name = "Config7"; 7595 break; 7596 default: 7597 goto cp0_unimplemented; 7598 } 7599 break; 7600 case CP0_REGISTER_17: 7601 switch (sel) { 7602 case CP0_REG17__LLADDR: 7603 gen_helper_dmfc0_lladdr(arg, cpu_env); 7604 register_name = "LLAddr"; 7605 break; 7606 case CP0_REG17__MAAR: 7607 CP0_CHECK(ctx->mrp); 7608 gen_helper_dmfc0_maar(arg, cpu_env); 7609 register_name = "MAAR"; 7610 break; 7611 case CP0_REG17__MAARI: 7612 CP0_CHECK(ctx->mrp); 7613 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MAARI)); 7614 register_name = "MAARI"; 7615 break; 7616 default: 7617 goto cp0_unimplemented; 7618 } 7619 break; 7620 case CP0_REGISTER_18: 7621 switch (sel) { 7622 case CP0_REG18__WATCHLO0: 7623 case CP0_REG18__WATCHLO1: 7624 case CP0_REG18__WATCHLO2: 7625 case CP0_REG18__WATCHLO3: 7626 case CP0_REG18__WATCHLO4: 7627 case CP0_REG18__WATCHLO5: 7628 case CP0_REG18__WATCHLO6: 7629 case CP0_REG18__WATCHLO7: 7630 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 7631 gen_helper_1e0i(dmfc0_watchlo, arg, sel); 7632 register_name = "WatchLo"; 7633 break; 7634 default: 7635 goto cp0_unimplemented; 7636 } 7637 break; 7638 case CP0_REGISTER_19: 7639 switch (sel) { 7640 case CP0_REG19__WATCHHI0: 7641 case CP0_REG19__WATCHHI1: 7642 case CP0_REG19__WATCHHI2: 7643 case CP0_REG19__WATCHHI3: 7644 case CP0_REG19__WATCHHI4: 7645 case CP0_REG19__WATCHHI5: 7646 case CP0_REG19__WATCHHI6: 7647 case CP0_REG19__WATCHHI7: 7648 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 7649 gen_helper_1e0i(dmfc0_watchhi, arg, sel); 7650 register_name = "WatchHi"; 7651 break; 7652 default: 7653 goto cp0_unimplemented; 7654 } 7655 break; 7656 case CP0_REGISTER_20: 7657 switch (sel) { 7658 case CP0_REG20__XCONTEXT: 7659 check_insn(ctx, ISA_MIPS3); 7660 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_XContext)); 7661 register_name = "XContext"; 7662 break; 7663 default: 7664 goto cp0_unimplemented; 7665 } 7666 break; 7667 case CP0_REGISTER_21: 7668 /* Officially reserved, but sel 0 is used for R1x000 framemask */ 7669 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 7670 switch (sel) { 7671 case 0: 7672 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Framemask)); 7673 register_name = "Framemask"; 7674 break; 7675 default: 7676 goto cp0_unimplemented; 7677 } 7678 break; 7679 case CP0_REGISTER_22: 7680 tcg_gen_movi_tl(arg, 0); /* unimplemented */ 7681 register_name = "'Diagnostic"; /* implementation dependent */ 7682 break; 7683 case CP0_REGISTER_23: 7684 switch (sel) { 7685 case CP0_REG23__DEBUG: 7686 gen_helper_mfc0_debug(arg, cpu_env); /* EJTAG support */ 7687 register_name = "Debug"; 7688 break; 7689 case CP0_REG23__TRACECONTROL: 7690 /* PDtrace support */ 7691 /* gen_helper_dmfc0_tracecontrol(arg, cpu_env); */ 7692 register_name = "TraceControl"; 7693 goto cp0_unimplemented; 7694 case CP0_REG23__TRACECONTROL2: 7695 /* PDtrace support */ 7696 /* gen_helper_dmfc0_tracecontrol2(arg, cpu_env); */ 7697 register_name = "TraceControl2"; 7698 goto cp0_unimplemented; 7699 case CP0_REG23__USERTRACEDATA1: 7700 /* PDtrace support */ 7701 /* gen_helper_dmfc0_usertracedata1(arg, cpu_env);*/ 7702 register_name = "UserTraceData1"; 7703 goto cp0_unimplemented; 7704 case CP0_REG23__TRACEIBPC: 7705 /* PDtrace support */ 7706 /* gen_helper_dmfc0_traceibpc(arg, cpu_env); */ 7707 register_name = "TraceIBPC"; 7708 goto cp0_unimplemented; 7709 case CP0_REG23__TRACEDBPC: 7710 /* PDtrace support */ 7711 /* gen_helper_dmfc0_tracedbpc(arg, cpu_env); */ 7712 register_name = "TraceDBPC"; 7713 goto cp0_unimplemented; 7714 default: 7715 goto cp0_unimplemented; 7716 } 7717 break; 7718 case CP0_REGISTER_24: 7719 switch (sel) { 7720 case CP0_REG24__DEPC: 7721 /* EJTAG support */ 7722 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_DEPC)); 7723 register_name = "DEPC"; 7724 break; 7725 default: 7726 goto cp0_unimplemented; 7727 } 7728 break; 7729 case CP0_REGISTER_25: 7730 switch (sel) { 7731 case CP0_REG25__PERFCTL0: 7732 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Performance0)); 7733 register_name = "Performance0"; 7734 break; 7735 case CP0_REG25__PERFCNT0: 7736 /* gen_helper_dmfc0_performance1(arg); */ 7737 register_name = "Performance1"; 7738 goto cp0_unimplemented; 7739 case CP0_REG25__PERFCTL1: 7740 /* gen_helper_dmfc0_performance2(arg); */ 7741 register_name = "Performance2"; 7742 goto cp0_unimplemented; 7743 case CP0_REG25__PERFCNT1: 7744 /* gen_helper_dmfc0_performance3(arg); */ 7745 register_name = "Performance3"; 7746 goto cp0_unimplemented; 7747 case CP0_REG25__PERFCTL2: 7748 /* gen_helper_dmfc0_performance4(arg); */ 7749 register_name = "Performance4"; 7750 goto cp0_unimplemented; 7751 case CP0_REG25__PERFCNT2: 7752 /* gen_helper_dmfc0_performance5(arg); */ 7753 register_name = "Performance5"; 7754 goto cp0_unimplemented; 7755 case CP0_REG25__PERFCTL3: 7756 /* gen_helper_dmfc0_performance6(arg); */ 7757 register_name = "Performance6"; 7758 goto cp0_unimplemented; 7759 case CP0_REG25__PERFCNT3: 7760 /* gen_helper_dmfc0_performance7(arg); */ 7761 register_name = "Performance7"; 7762 goto cp0_unimplemented; 7763 default: 7764 goto cp0_unimplemented; 7765 } 7766 break; 7767 case CP0_REGISTER_26: 7768 switch (sel) { 7769 case CP0_REG26__ERRCTL: 7770 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_ErrCtl)); 7771 register_name = "ErrCtl"; 7772 break; 7773 default: 7774 goto cp0_unimplemented; 7775 } 7776 break; 7777 case CP0_REGISTER_27: 7778 switch (sel) { 7779 /* ignored */ 7780 case CP0_REG27__CACHERR: 7781 tcg_gen_movi_tl(arg, 0); /* unimplemented */ 7782 register_name = "CacheErr"; 7783 break; 7784 default: 7785 goto cp0_unimplemented; 7786 } 7787 break; 7788 case CP0_REGISTER_28: 7789 switch (sel) { 7790 case CP0_REG28__TAGLO: 7791 case CP0_REG28__TAGLO1: 7792 case CP0_REG28__TAGLO2: 7793 case CP0_REG28__TAGLO3: 7794 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagLo)); 7795 register_name = "TagLo"; 7796 break; 7797 case CP0_REG28__DATALO: 7798 case CP0_REG28__DATALO1: 7799 case CP0_REG28__DATALO2: 7800 case CP0_REG28__DATALO3: 7801 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataLo)); 7802 register_name = "DataLo"; 7803 break; 7804 default: 7805 goto cp0_unimplemented; 7806 } 7807 break; 7808 case CP0_REGISTER_29: 7809 switch (sel) { 7810 case CP0_REG29__TAGHI: 7811 case CP0_REG29__TAGHI1: 7812 case CP0_REG29__TAGHI2: 7813 case CP0_REG29__TAGHI3: 7814 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagHi)); 7815 register_name = "TagHi"; 7816 break; 7817 case CP0_REG29__DATAHI: 7818 case CP0_REG29__DATAHI1: 7819 case CP0_REG29__DATAHI2: 7820 case CP0_REG29__DATAHI3: 7821 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataHi)); 7822 register_name = "DataHi"; 7823 break; 7824 default: 7825 goto cp0_unimplemented; 7826 } 7827 break; 7828 case CP0_REGISTER_30: 7829 switch (sel) { 7830 case CP0_REG30__ERROREPC: 7831 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_ErrorEPC)); 7832 register_name = "ErrorEPC"; 7833 break; 7834 default: 7835 goto cp0_unimplemented; 7836 } 7837 break; 7838 case CP0_REGISTER_31: 7839 switch (sel) { 7840 case CP0_REG31__DESAVE: 7841 /* EJTAG support */ 7842 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE)); 7843 register_name = "DESAVE"; 7844 break; 7845 case CP0_REG31__KSCRATCH1: 7846 case CP0_REG31__KSCRATCH2: 7847 case CP0_REG31__KSCRATCH3: 7848 case CP0_REG31__KSCRATCH4: 7849 case CP0_REG31__KSCRATCH5: 7850 case CP0_REG31__KSCRATCH6: 7851 CP0_CHECK(ctx->kscrexist & (1 << sel)); 7852 tcg_gen_ld_tl(arg, cpu_env, 7853 offsetof(CPUMIPSState, CP0_KScratch[sel - 2])); 7854 register_name = "KScratch"; 7855 break; 7856 default: 7857 goto cp0_unimplemented; 7858 } 7859 break; 7860 default: 7861 goto cp0_unimplemented; 7862 } 7863 trace_mips_translate_c0("dmfc0", register_name, reg, sel); 7864 return; 7865 7866 cp0_unimplemented: 7867 qemu_log_mask(LOG_UNIMP, "dmfc0 %s (reg %d sel %d)\n", 7868 register_name, reg, sel); 7869 gen_mfc0_unimplemented(ctx, arg); 7870 } 7871 7872 static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel) 7873 { 7874 const char *register_name = "invalid"; 7875 7876 if (sel != 0) { 7877 check_insn(ctx, ISA_MIPS_R1); 7878 } 7879 7880 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 7881 gen_io_start(); 7882 } 7883 7884 switch (reg) { 7885 case CP0_REGISTER_00: 7886 switch (sel) { 7887 case CP0_REG00__INDEX: 7888 gen_helper_mtc0_index(cpu_env, arg); 7889 register_name = "Index"; 7890 break; 7891 case CP0_REG00__MVPCONTROL: 7892 CP0_CHECK(ctx->insn_flags & ASE_MT); 7893 gen_helper_mtc0_mvpcontrol(cpu_env, arg); 7894 register_name = "MVPControl"; 7895 break; 7896 case CP0_REG00__MVPCONF0: 7897 CP0_CHECK(ctx->insn_flags & ASE_MT); 7898 /* ignored */ 7899 register_name = "MVPConf0"; 7900 break; 7901 case CP0_REG00__MVPCONF1: 7902 CP0_CHECK(ctx->insn_flags & ASE_MT); 7903 /* ignored */ 7904 register_name = "MVPConf1"; 7905 break; 7906 case CP0_REG00__VPCONTROL: 7907 CP0_CHECK(ctx->vp); 7908 /* ignored */ 7909 register_name = "VPControl"; 7910 break; 7911 default: 7912 goto cp0_unimplemented; 7913 } 7914 break; 7915 case CP0_REGISTER_01: 7916 switch (sel) { 7917 case CP0_REG01__RANDOM: 7918 /* ignored */ 7919 register_name = "Random"; 7920 break; 7921 case CP0_REG01__VPECONTROL: 7922 CP0_CHECK(ctx->insn_flags & ASE_MT); 7923 gen_helper_mtc0_vpecontrol(cpu_env, arg); 7924 register_name = "VPEControl"; 7925 break; 7926 case CP0_REG01__VPECONF0: 7927 CP0_CHECK(ctx->insn_flags & ASE_MT); 7928 gen_helper_mtc0_vpeconf0(cpu_env, arg); 7929 register_name = "VPEConf0"; 7930 break; 7931 case CP0_REG01__VPECONF1: 7932 CP0_CHECK(ctx->insn_flags & ASE_MT); 7933 gen_helper_mtc0_vpeconf1(cpu_env, arg); 7934 register_name = "VPEConf1"; 7935 break; 7936 case CP0_REG01__YQMASK: 7937 CP0_CHECK(ctx->insn_flags & ASE_MT); 7938 gen_helper_mtc0_yqmask(cpu_env, arg); 7939 register_name = "YQMask"; 7940 break; 7941 case CP0_REG01__VPESCHEDULE: 7942 CP0_CHECK(ctx->insn_flags & ASE_MT); 7943 tcg_gen_st_tl(arg, cpu_env, 7944 offsetof(CPUMIPSState, CP0_VPESchedule)); 7945 register_name = "VPESchedule"; 7946 break; 7947 case CP0_REG01__VPESCHEFBACK: 7948 CP0_CHECK(ctx->insn_flags & ASE_MT); 7949 tcg_gen_st_tl(arg, cpu_env, 7950 offsetof(CPUMIPSState, CP0_VPEScheFBack)); 7951 register_name = "VPEScheFBack"; 7952 break; 7953 case CP0_REG01__VPEOPT: 7954 CP0_CHECK(ctx->insn_flags & ASE_MT); 7955 gen_helper_mtc0_vpeopt(cpu_env, arg); 7956 register_name = "VPEOpt"; 7957 break; 7958 default: 7959 goto cp0_unimplemented; 7960 } 7961 break; 7962 case CP0_REGISTER_02: 7963 switch (sel) { 7964 case CP0_REG02__ENTRYLO0: 7965 gen_helper_dmtc0_entrylo0(cpu_env, arg); 7966 register_name = "EntryLo0"; 7967 break; 7968 case CP0_REG02__TCSTATUS: 7969 CP0_CHECK(ctx->insn_flags & ASE_MT); 7970 gen_helper_mtc0_tcstatus(cpu_env, arg); 7971 register_name = "TCStatus"; 7972 break; 7973 case CP0_REG02__TCBIND: 7974 CP0_CHECK(ctx->insn_flags & ASE_MT); 7975 gen_helper_mtc0_tcbind(cpu_env, arg); 7976 register_name = "TCBind"; 7977 break; 7978 case CP0_REG02__TCRESTART: 7979 CP0_CHECK(ctx->insn_flags & ASE_MT); 7980 gen_helper_mtc0_tcrestart(cpu_env, arg); 7981 register_name = "TCRestart"; 7982 break; 7983 case CP0_REG02__TCHALT: 7984 CP0_CHECK(ctx->insn_flags & ASE_MT); 7985 gen_helper_mtc0_tchalt(cpu_env, arg); 7986 register_name = "TCHalt"; 7987 break; 7988 case CP0_REG02__TCCONTEXT: 7989 CP0_CHECK(ctx->insn_flags & ASE_MT); 7990 gen_helper_mtc0_tccontext(cpu_env, arg); 7991 register_name = "TCContext"; 7992 break; 7993 case CP0_REG02__TCSCHEDULE: 7994 CP0_CHECK(ctx->insn_flags & ASE_MT); 7995 gen_helper_mtc0_tcschedule(cpu_env, arg); 7996 register_name = "TCSchedule"; 7997 break; 7998 case CP0_REG02__TCSCHEFBACK: 7999 CP0_CHECK(ctx->insn_flags & ASE_MT); 8000 gen_helper_mtc0_tcschefback(cpu_env, arg); 8001 register_name = "TCScheFBack"; 8002 break; 8003 default: 8004 goto cp0_unimplemented; 8005 } 8006 break; 8007 case CP0_REGISTER_03: 8008 switch (sel) { 8009 case CP0_REG03__ENTRYLO1: 8010 gen_helper_dmtc0_entrylo1(cpu_env, arg); 8011 register_name = "EntryLo1"; 8012 break; 8013 case CP0_REG03__GLOBALNUM: 8014 CP0_CHECK(ctx->vp); 8015 /* ignored */ 8016 register_name = "GlobalNumber"; 8017 break; 8018 default: 8019 goto cp0_unimplemented; 8020 } 8021 break; 8022 case CP0_REGISTER_04: 8023 switch (sel) { 8024 case CP0_REG04__CONTEXT: 8025 gen_helper_mtc0_context(cpu_env, arg); 8026 register_name = "Context"; 8027 break; 8028 case CP0_REG04__CONTEXTCONFIG: 8029 /* SmartMIPS ASE */ 8030 /* gen_helper_dmtc0_contextconfig(arg); */ 8031 register_name = "ContextConfig"; 8032 goto cp0_unimplemented; 8033 case CP0_REG04__USERLOCAL: 8034 CP0_CHECK(ctx->ulri); 8035 tcg_gen_st_tl(arg, cpu_env, 8036 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 8037 register_name = "UserLocal"; 8038 break; 8039 case CP0_REG04__MMID: 8040 CP0_CHECK(ctx->mi); 8041 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MemoryMapID)); 8042 register_name = "MMID"; 8043 break; 8044 default: 8045 goto cp0_unimplemented; 8046 } 8047 break; 8048 case CP0_REGISTER_05: 8049 switch (sel) { 8050 case CP0_REG05__PAGEMASK: 8051 gen_helper_mtc0_pagemask(cpu_env, arg); 8052 register_name = "PageMask"; 8053 break; 8054 case CP0_REG05__PAGEGRAIN: 8055 check_insn(ctx, ISA_MIPS_R2); 8056 gen_helper_mtc0_pagegrain(cpu_env, arg); 8057 register_name = "PageGrain"; 8058 break; 8059 case CP0_REG05__SEGCTL0: 8060 CP0_CHECK(ctx->sc); 8061 gen_helper_mtc0_segctl0(cpu_env, arg); 8062 register_name = "SegCtl0"; 8063 break; 8064 case CP0_REG05__SEGCTL1: 8065 CP0_CHECK(ctx->sc); 8066 gen_helper_mtc0_segctl1(cpu_env, arg); 8067 register_name = "SegCtl1"; 8068 break; 8069 case CP0_REG05__SEGCTL2: 8070 CP0_CHECK(ctx->sc); 8071 gen_helper_mtc0_segctl2(cpu_env, arg); 8072 register_name = "SegCtl2"; 8073 break; 8074 case CP0_REG05__PWBASE: 8075 check_pw(ctx); 8076 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_PWBase)); 8077 register_name = "PWBase"; 8078 break; 8079 case CP0_REG05__PWFIELD: 8080 check_pw(ctx); 8081 gen_helper_mtc0_pwfield(cpu_env, arg); 8082 register_name = "PWField"; 8083 break; 8084 case CP0_REG05__PWSIZE: 8085 check_pw(ctx); 8086 gen_helper_mtc0_pwsize(cpu_env, arg); 8087 register_name = "PWSize"; 8088 break; 8089 default: 8090 goto cp0_unimplemented; 8091 } 8092 break; 8093 case CP0_REGISTER_06: 8094 switch (sel) { 8095 case CP0_REG06__WIRED: 8096 gen_helper_mtc0_wired(cpu_env, arg); 8097 register_name = "Wired"; 8098 break; 8099 case CP0_REG06__SRSCONF0: 8100 check_insn(ctx, ISA_MIPS_R2); 8101 gen_helper_mtc0_srsconf0(cpu_env, arg); 8102 register_name = "SRSConf0"; 8103 break; 8104 case CP0_REG06__SRSCONF1: 8105 check_insn(ctx, ISA_MIPS_R2); 8106 gen_helper_mtc0_srsconf1(cpu_env, arg); 8107 register_name = "SRSConf1"; 8108 break; 8109 case CP0_REG06__SRSCONF2: 8110 check_insn(ctx, ISA_MIPS_R2); 8111 gen_helper_mtc0_srsconf2(cpu_env, arg); 8112 register_name = "SRSConf2"; 8113 break; 8114 case CP0_REG06__SRSCONF3: 8115 check_insn(ctx, ISA_MIPS_R2); 8116 gen_helper_mtc0_srsconf3(cpu_env, arg); 8117 register_name = "SRSConf3"; 8118 break; 8119 case CP0_REG06__SRSCONF4: 8120 check_insn(ctx, ISA_MIPS_R2); 8121 gen_helper_mtc0_srsconf4(cpu_env, arg); 8122 register_name = "SRSConf4"; 8123 break; 8124 case CP0_REG06__PWCTL: 8125 check_pw(ctx); 8126 gen_helper_mtc0_pwctl(cpu_env, arg); 8127 register_name = "PWCtl"; 8128 break; 8129 default: 8130 goto cp0_unimplemented; 8131 } 8132 break; 8133 case CP0_REGISTER_07: 8134 switch (sel) { 8135 case CP0_REG07__HWRENA: 8136 check_insn(ctx, ISA_MIPS_R2); 8137 gen_helper_mtc0_hwrena(cpu_env, arg); 8138 ctx->base.is_jmp = DISAS_STOP; 8139 register_name = "HWREna"; 8140 break; 8141 default: 8142 goto cp0_unimplemented; 8143 } 8144 break; 8145 case CP0_REGISTER_08: 8146 switch (sel) { 8147 case CP0_REG08__BADVADDR: 8148 /* ignored */ 8149 register_name = "BadVAddr"; 8150 break; 8151 case CP0_REG08__BADINSTR: 8152 /* ignored */ 8153 register_name = "BadInstr"; 8154 break; 8155 case CP0_REG08__BADINSTRP: 8156 /* ignored */ 8157 register_name = "BadInstrP"; 8158 break; 8159 case CP0_REG08__BADINSTRX: 8160 /* ignored */ 8161 register_name = "BadInstrX"; 8162 break; 8163 default: 8164 goto cp0_unimplemented; 8165 } 8166 break; 8167 case CP0_REGISTER_09: 8168 switch (sel) { 8169 case CP0_REG09__COUNT: 8170 gen_helper_mtc0_count(cpu_env, arg); 8171 register_name = "Count"; 8172 break; 8173 case CP0_REG09__SAARI: 8174 CP0_CHECK(ctx->saar); 8175 gen_helper_mtc0_saari(cpu_env, arg); 8176 register_name = "SAARI"; 8177 break; 8178 case CP0_REG09__SAAR: 8179 CP0_CHECK(ctx->saar); 8180 gen_helper_mtc0_saar(cpu_env, arg); 8181 register_name = "SAAR"; 8182 break; 8183 default: 8184 goto cp0_unimplemented; 8185 } 8186 /* Stop translation as we may have switched the execution mode */ 8187 ctx->base.is_jmp = DISAS_STOP; 8188 break; 8189 case CP0_REGISTER_10: 8190 switch (sel) { 8191 case CP0_REG10__ENTRYHI: 8192 gen_helper_mtc0_entryhi(cpu_env, arg); 8193 register_name = "EntryHi"; 8194 break; 8195 default: 8196 goto cp0_unimplemented; 8197 } 8198 break; 8199 case CP0_REGISTER_11: 8200 switch (sel) { 8201 case CP0_REG11__COMPARE: 8202 gen_helper_mtc0_compare(cpu_env, arg); 8203 register_name = "Compare"; 8204 break; 8205 /* 6,7 are implementation dependent */ 8206 default: 8207 goto cp0_unimplemented; 8208 } 8209 /* Stop translation as we may have switched the execution mode */ 8210 ctx->base.is_jmp = DISAS_STOP; 8211 break; 8212 case CP0_REGISTER_12: 8213 switch (sel) { 8214 case CP0_REG12__STATUS: 8215 save_cpu_state(ctx, 1); 8216 gen_helper_mtc0_status(cpu_env, arg); 8217 /* DISAS_STOP isn't good enough here, hflags may have changed. */ 8218 gen_save_pc(ctx->base.pc_next + 4); 8219 ctx->base.is_jmp = DISAS_EXIT; 8220 register_name = "Status"; 8221 break; 8222 case CP0_REG12__INTCTL: 8223 check_insn(ctx, ISA_MIPS_R2); 8224 gen_helper_mtc0_intctl(cpu_env, arg); 8225 /* Stop translation as we may have switched the execution mode */ 8226 ctx->base.is_jmp = DISAS_STOP; 8227 register_name = "IntCtl"; 8228 break; 8229 case CP0_REG12__SRSCTL: 8230 check_insn(ctx, ISA_MIPS_R2); 8231 gen_helper_mtc0_srsctl(cpu_env, arg); 8232 /* Stop translation as we may have switched the execution mode */ 8233 ctx->base.is_jmp = DISAS_STOP; 8234 register_name = "SRSCtl"; 8235 break; 8236 case CP0_REG12__SRSMAP: 8237 check_insn(ctx, ISA_MIPS_R2); 8238 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap)); 8239 /* Stop translation as we may have switched the execution mode */ 8240 ctx->base.is_jmp = DISAS_STOP; 8241 register_name = "SRSMap"; 8242 break; 8243 default: 8244 goto cp0_unimplemented; 8245 } 8246 break; 8247 case CP0_REGISTER_13: 8248 switch (sel) { 8249 case CP0_REG13__CAUSE: 8250 save_cpu_state(ctx, 1); 8251 gen_helper_mtc0_cause(cpu_env, arg); 8252 /* 8253 * Stop translation as we may have triggered an interrupt. 8254 * DISAS_STOP isn't sufficient, we need to ensure we break out of 8255 * translated code to check for pending interrupts. 8256 */ 8257 gen_save_pc(ctx->base.pc_next + 4); 8258 ctx->base.is_jmp = DISAS_EXIT; 8259 register_name = "Cause"; 8260 break; 8261 default: 8262 goto cp0_unimplemented; 8263 } 8264 break; 8265 case CP0_REGISTER_14: 8266 switch (sel) { 8267 case CP0_REG14__EPC: 8268 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_EPC)); 8269 register_name = "EPC"; 8270 break; 8271 default: 8272 goto cp0_unimplemented; 8273 } 8274 break; 8275 case CP0_REGISTER_15: 8276 switch (sel) { 8277 case CP0_REG15__PRID: 8278 /* ignored */ 8279 register_name = "PRid"; 8280 break; 8281 case CP0_REG15__EBASE: 8282 check_insn(ctx, ISA_MIPS_R2); 8283 gen_helper_mtc0_ebase(cpu_env, arg); 8284 register_name = "EBase"; 8285 break; 8286 default: 8287 goto cp0_unimplemented; 8288 } 8289 break; 8290 case CP0_REGISTER_16: 8291 switch (sel) { 8292 case CP0_REG16__CONFIG: 8293 gen_helper_mtc0_config0(cpu_env, arg); 8294 register_name = "Config"; 8295 /* Stop translation as we may have switched the execution mode */ 8296 ctx->base.is_jmp = DISAS_STOP; 8297 break; 8298 case CP0_REG16__CONFIG1: 8299 /* ignored, read only */ 8300 register_name = "Config1"; 8301 break; 8302 case CP0_REG16__CONFIG2: 8303 gen_helper_mtc0_config2(cpu_env, arg); 8304 register_name = "Config2"; 8305 /* Stop translation as we may have switched the execution mode */ 8306 ctx->base.is_jmp = DISAS_STOP; 8307 break; 8308 case CP0_REG16__CONFIG3: 8309 gen_helper_mtc0_config3(cpu_env, arg); 8310 register_name = "Config3"; 8311 /* Stop translation as we may have switched the execution mode */ 8312 ctx->base.is_jmp = DISAS_STOP; 8313 break; 8314 case CP0_REG16__CONFIG4: 8315 /* currently ignored */ 8316 register_name = "Config4"; 8317 break; 8318 case CP0_REG16__CONFIG5: 8319 gen_helper_mtc0_config5(cpu_env, arg); 8320 register_name = "Config5"; 8321 /* Stop translation as we may have switched the execution mode */ 8322 ctx->base.is_jmp = DISAS_STOP; 8323 break; 8324 /* 6,7 are implementation dependent */ 8325 default: 8326 register_name = "Invalid config selector"; 8327 goto cp0_unimplemented; 8328 } 8329 break; 8330 case CP0_REGISTER_17: 8331 switch (sel) { 8332 case CP0_REG17__LLADDR: 8333 gen_helper_mtc0_lladdr(cpu_env, arg); 8334 register_name = "LLAddr"; 8335 break; 8336 case CP0_REG17__MAAR: 8337 CP0_CHECK(ctx->mrp); 8338 gen_helper_mtc0_maar(cpu_env, arg); 8339 register_name = "MAAR"; 8340 break; 8341 case CP0_REG17__MAARI: 8342 CP0_CHECK(ctx->mrp); 8343 gen_helper_mtc0_maari(cpu_env, arg); 8344 register_name = "MAARI"; 8345 break; 8346 default: 8347 goto cp0_unimplemented; 8348 } 8349 break; 8350 case CP0_REGISTER_18: 8351 switch (sel) { 8352 case CP0_REG18__WATCHLO0: 8353 case CP0_REG18__WATCHLO1: 8354 case CP0_REG18__WATCHLO2: 8355 case CP0_REG18__WATCHLO3: 8356 case CP0_REG18__WATCHLO4: 8357 case CP0_REG18__WATCHLO5: 8358 case CP0_REG18__WATCHLO6: 8359 case CP0_REG18__WATCHLO7: 8360 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 8361 gen_helper_0e1i(mtc0_watchlo, arg, sel); 8362 register_name = "WatchLo"; 8363 break; 8364 default: 8365 goto cp0_unimplemented; 8366 } 8367 break; 8368 case CP0_REGISTER_19: 8369 switch (sel) { 8370 case CP0_REG19__WATCHHI0: 8371 case CP0_REG19__WATCHHI1: 8372 case CP0_REG19__WATCHHI2: 8373 case CP0_REG19__WATCHHI3: 8374 case CP0_REG19__WATCHHI4: 8375 case CP0_REG19__WATCHHI5: 8376 case CP0_REG19__WATCHHI6: 8377 case CP0_REG19__WATCHHI7: 8378 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 8379 gen_helper_0e1i(mtc0_watchhi, arg, sel); 8380 register_name = "WatchHi"; 8381 break; 8382 default: 8383 goto cp0_unimplemented; 8384 } 8385 break; 8386 case CP0_REGISTER_20: 8387 switch (sel) { 8388 case CP0_REG20__XCONTEXT: 8389 check_insn(ctx, ISA_MIPS3); 8390 gen_helper_mtc0_xcontext(cpu_env, arg); 8391 register_name = "XContext"; 8392 break; 8393 default: 8394 goto cp0_unimplemented; 8395 } 8396 break; 8397 case CP0_REGISTER_21: 8398 /* Officially reserved, but sel 0 is used for R1x000 framemask */ 8399 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 8400 switch (sel) { 8401 case 0: 8402 gen_helper_mtc0_framemask(cpu_env, arg); 8403 register_name = "Framemask"; 8404 break; 8405 default: 8406 goto cp0_unimplemented; 8407 } 8408 break; 8409 case CP0_REGISTER_22: 8410 /* ignored */ 8411 register_name = "Diagnostic"; /* implementation dependent */ 8412 break; 8413 case CP0_REGISTER_23: 8414 switch (sel) { 8415 case CP0_REG23__DEBUG: 8416 gen_helper_mtc0_debug(cpu_env, arg); /* EJTAG support */ 8417 /* DISAS_STOP isn't good enough here, hflags may have changed. */ 8418 gen_save_pc(ctx->base.pc_next + 4); 8419 ctx->base.is_jmp = DISAS_EXIT; 8420 register_name = "Debug"; 8421 break; 8422 case CP0_REG23__TRACECONTROL: 8423 /* PDtrace support */ 8424 /* gen_helper_mtc0_tracecontrol(cpu_env, arg); */ 8425 /* Stop translation as we may have switched the execution mode */ 8426 ctx->base.is_jmp = DISAS_STOP; 8427 register_name = "TraceControl"; 8428 goto cp0_unimplemented; 8429 case CP0_REG23__TRACECONTROL2: 8430 /* PDtrace support */ 8431 /* gen_helper_mtc0_tracecontrol2(cpu_env, arg); */ 8432 /* Stop translation as we may have switched the execution mode */ 8433 ctx->base.is_jmp = DISAS_STOP; 8434 register_name = "TraceControl2"; 8435 goto cp0_unimplemented; 8436 case CP0_REG23__USERTRACEDATA1: 8437 /* PDtrace support */ 8438 /* gen_helper_mtc0_usertracedata1(cpu_env, arg);*/ 8439 /* Stop translation as we may have switched the execution mode */ 8440 ctx->base.is_jmp = DISAS_STOP; 8441 register_name = "UserTraceData1"; 8442 goto cp0_unimplemented; 8443 case CP0_REG23__TRACEIBPC: 8444 /* PDtrace support */ 8445 /* gen_helper_mtc0_traceibpc(cpu_env, arg); */ 8446 /* Stop translation as we may have switched the execution mode */ 8447 ctx->base.is_jmp = DISAS_STOP; 8448 register_name = "TraceIBPC"; 8449 goto cp0_unimplemented; 8450 case CP0_REG23__TRACEDBPC: 8451 /* PDtrace support */ 8452 /* gen_helper_mtc0_tracedbpc(cpu_env, arg); */ 8453 /* Stop translation as we may have switched the execution mode */ 8454 ctx->base.is_jmp = DISAS_STOP; 8455 register_name = "TraceDBPC"; 8456 goto cp0_unimplemented; 8457 default: 8458 goto cp0_unimplemented; 8459 } 8460 break; 8461 case CP0_REGISTER_24: 8462 switch (sel) { 8463 case CP0_REG24__DEPC: 8464 /* EJTAG support */ 8465 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_DEPC)); 8466 register_name = "DEPC"; 8467 break; 8468 default: 8469 goto cp0_unimplemented; 8470 } 8471 break; 8472 case CP0_REGISTER_25: 8473 switch (sel) { 8474 case CP0_REG25__PERFCTL0: 8475 gen_helper_mtc0_performance0(cpu_env, arg); 8476 register_name = "Performance0"; 8477 break; 8478 case CP0_REG25__PERFCNT0: 8479 /* gen_helper_mtc0_performance1(cpu_env, arg); */ 8480 register_name = "Performance1"; 8481 goto cp0_unimplemented; 8482 case CP0_REG25__PERFCTL1: 8483 /* gen_helper_mtc0_performance2(cpu_env, arg); */ 8484 register_name = "Performance2"; 8485 goto cp0_unimplemented; 8486 case CP0_REG25__PERFCNT1: 8487 /* gen_helper_mtc0_performance3(cpu_env, arg); */ 8488 register_name = "Performance3"; 8489 goto cp0_unimplemented; 8490 case CP0_REG25__PERFCTL2: 8491 /* gen_helper_mtc0_performance4(cpu_env, arg); */ 8492 register_name = "Performance4"; 8493 goto cp0_unimplemented; 8494 case CP0_REG25__PERFCNT2: 8495 /* gen_helper_mtc0_performance5(cpu_env, arg); */ 8496 register_name = "Performance5"; 8497 goto cp0_unimplemented; 8498 case CP0_REG25__PERFCTL3: 8499 /* gen_helper_mtc0_performance6(cpu_env, arg); */ 8500 register_name = "Performance6"; 8501 goto cp0_unimplemented; 8502 case CP0_REG25__PERFCNT3: 8503 /* gen_helper_mtc0_performance7(cpu_env, arg); */ 8504 register_name = "Performance7"; 8505 goto cp0_unimplemented; 8506 default: 8507 goto cp0_unimplemented; 8508 } 8509 break; 8510 case CP0_REGISTER_26: 8511 switch (sel) { 8512 case CP0_REG26__ERRCTL: 8513 gen_helper_mtc0_errctl(cpu_env, arg); 8514 ctx->base.is_jmp = DISAS_STOP; 8515 register_name = "ErrCtl"; 8516 break; 8517 default: 8518 goto cp0_unimplemented; 8519 } 8520 break; 8521 case CP0_REGISTER_27: 8522 switch (sel) { 8523 case CP0_REG27__CACHERR: 8524 /* ignored */ 8525 register_name = "CacheErr"; 8526 break; 8527 default: 8528 goto cp0_unimplemented; 8529 } 8530 break; 8531 case CP0_REGISTER_28: 8532 switch (sel) { 8533 case CP0_REG28__TAGLO: 8534 case CP0_REG28__TAGLO1: 8535 case CP0_REG28__TAGLO2: 8536 case CP0_REG28__TAGLO3: 8537 gen_helper_mtc0_taglo(cpu_env, arg); 8538 register_name = "TagLo"; 8539 break; 8540 case CP0_REG28__DATALO: 8541 case CP0_REG28__DATALO1: 8542 case CP0_REG28__DATALO2: 8543 case CP0_REG28__DATALO3: 8544 gen_helper_mtc0_datalo(cpu_env, arg); 8545 register_name = "DataLo"; 8546 break; 8547 default: 8548 goto cp0_unimplemented; 8549 } 8550 break; 8551 case CP0_REGISTER_29: 8552 switch (sel) { 8553 case CP0_REG29__TAGHI: 8554 case CP0_REG29__TAGHI1: 8555 case CP0_REG29__TAGHI2: 8556 case CP0_REG29__TAGHI3: 8557 gen_helper_mtc0_taghi(cpu_env, arg); 8558 register_name = "TagHi"; 8559 break; 8560 case CP0_REG29__DATAHI: 8561 case CP0_REG29__DATAHI1: 8562 case CP0_REG29__DATAHI2: 8563 case CP0_REG29__DATAHI3: 8564 gen_helper_mtc0_datahi(cpu_env, arg); 8565 register_name = "DataHi"; 8566 break; 8567 default: 8568 register_name = "invalid sel"; 8569 goto cp0_unimplemented; 8570 } 8571 break; 8572 case CP0_REGISTER_30: 8573 switch (sel) { 8574 case CP0_REG30__ERROREPC: 8575 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUMIPSState, CP0_ErrorEPC)); 8576 register_name = "ErrorEPC"; 8577 break; 8578 default: 8579 goto cp0_unimplemented; 8580 } 8581 break; 8582 case CP0_REGISTER_31: 8583 switch (sel) { 8584 case CP0_REG31__DESAVE: 8585 /* EJTAG support */ 8586 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE)); 8587 register_name = "DESAVE"; 8588 break; 8589 case CP0_REG31__KSCRATCH1: 8590 case CP0_REG31__KSCRATCH2: 8591 case CP0_REG31__KSCRATCH3: 8592 case CP0_REG31__KSCRATCH4: 8593 case CP0_REG31__KSCRATCH5: 8594 case CP0_REG31__KSCRATCH6: 8595 CP0_CHECK(ctx->kscrexist & (1 << sel)); 8596 tcg_gen_st_tl(arg, cpu_env, 8597 offsetof(CPUMIPSState, CP0_KScratch[sel - 2])); 8598 register_name = "KScratch"; 8599 break; 8600 default: 8601 goto cp0_unimplemented; 8602 } 8603 break; 8604 default: 8605 goto cp0_unimplemented; 8606 } 8607 trace_mips_translate_c0("dmtc0", register_name, reg, sel); 8608 8609 /* For simplicity assume that all writes can cause interrupts. */ 8610 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 8611 /* 8612 * DISAS_STOP isn't sufficient, we need to ensure we break out of 8613 * translated code to check for pending interrupts. 8614 */ 8615 gen_save_pc(ctx->base.pc_next + 4); 8616 ctx->base.is_jmp = DISAS_EXIT; 8617 } 8618 return; 8619 8620 cp0_unimplemented: 8621 qemu_log_mask(LOG_UNIMP, "dmtc0 %s (reg %d sel %d)\n", 8622 register_name, reg, sel); 8623 } 8624 #endif /* TARGET_MIPS64 */ 8625 8626 static void gen_mftr(CPUMIPSState *env, DisasContext *ctx, int rt, int rd, 8627 int u, int sel, int h) 8628 { 8629 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); 8630 TCGv t0 = tcg_temp_local_new(); 8631 8632 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && 8633 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) != 8634 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) { 8635 tcg_gen_movi_tl(t0, -1); 8636 } else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > 8637 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) { 8638 tcg_gen_movi_tl(t0, -1); 8639 } else if (u == 0) { 8640 switch (rt) { 8641 case 1: 8642 switch (sel) { 8643 case 1: 8644 gen_helper_mftc0_vpecontrol(t0, cpu_env); 8645 break; 8646 case 2: 8647 gen_helper_mftc0_vpeconf0(t0, cpu_env); 8648 break; 8649 default: 8650 goto die; 8651 break; 8652 } 8653 break; 8654 case 2: 8655 switch (sel) { 8656 case 1: 8657 gen_helper_mftc0_tcstatus(t0, cpu_env); 8658 break; 8659 case 2: 8660 gen_helper_mftc0_tcbind(t0, cpu_env); 8661 break; 8662 case 3: 8663 gen_helper_mftc0_tcrestart(t0, cpu_env); 8664 break; 8665 case 4: 8666 gen_helper_mftc0_tchalt(t0, cpu_env); 8667 break; 8668 case 5: 8669 gen_helper_mftc0_tccontext(t0, cpu_env); 8670 break; 8671 case 6: 8672 gen_helper_mftc0_tcschedule(t0, cpu_env); 8673 break; 8674 case 7: 8675 gen_helper_mftc0_tcschefback(t0, cpu_env); 8676 break; 8677 default: 8678 gen_mfc0(ctx, t0, rt, sel); 8679 break; 8680 } 8681 break; 8682 case 10: 8683 switch (sel) { 8684 case 0: 8685 gen_helper_mftc0_entryhi(t0, cpu_env); 8686 break; 8687 default: 8688 gen_mfc0(ctx, t0, rt, sel); 8689 break; 8690 } 8691 break; 8692 case 12: 8693 switch (sel) { 8694 case 0: 8695 gen_helper_mftc0_status(t0, cpu_env); 8696 break; 8697 default: 8698 gen_mfc0(ctx, t0, rt, sel); 8699 break; 8700 } 8701 break; 8702 case 13: 8703 switch (sel) { 8704 case 0: 8705 gen_helper_mftc0_cause(t0, cpu_env); 8706 break; 8707 default: 8708 goto die; 8709 break; 8710 } 8711 break; 8712 case 14: 8713 switch (sel) { 8714 case 0: 8715 gen_helper_mftc0_epc(t0, cpu_env); 8716 break; 8717 default: 8718 goto die; 8719 break; 8720 } 8721 break; 8722 case 15: 8723 switch (sel) { 8724 case 1: 8725 gen_helper_mftc0_ebase(t0, cpu_env); 8726 break; 8727 default: 8728 goto die; 8729 break; 8730 } 8731 break; 8732 case 16: 8733 switch (sel) { 8734 case 0: 8735 case 1: 8736 case 2: 8737 case 3: 8738 case 4: 8739 case 5: 8740 case 6: 8741 case 7: 8742 gen_helper_mftc0_configx(t0, cpu_env, tcg_const_tl(sel)); 8743 break; 8744 default: 8745 goto die; 8746 break; 8747 } 8748 break; 8749 case 23: 8750 switch (sel) { 8751 case 0: 8752 gen_helper_mftc0_debug(t0, cpu_env); 8753 break; 8754 default: 8755 gen_mfc0(ctx, t0, rt, sel); 8756 break; 8757 } 8758 break; 8759 default: 8760 gen_mfc0(ctx, t0, rt, sel); 8761 } 8762 } else { 8763 switch (sel) { 8764 /* GPR registers. */ 8765 case 0: 8766 gen_helper_1e0i(mftgpr, t0, rt); 8767 break; 8768 /* Auxiliary CPU registers */ 8769 case 1: 8770 switch (rt) { 8771 case 0: 8772 gen_helper_1e0i(mftlo, t0, 0); 8773 break; 8774 case 1: 8775 gen_helper_1e0i(mfthi, t0, 0); 8776 break; 8777 case 2: 8778 gen_helper_1e0i(mftacx, t0, 0); 8779 break; 8780 case 4: 8781 gen_helper_1e0i(mftlo, t0, 1); 8782 break; 8783 case 5: 8784 gen_helper_1e0i(mfthi, t0, 1); 8785 break; 8786 case 6: 8787 gen_helper_1e0i(mftacx, t0, 1); 8788 break; 8789 case 8: 8790 gen_helper_1e0i(mftlo, t0, 2); 8791 break; 8792 case 9: 8793 gen_helper_1e0i(mfthi, t0, 2); 8794 break; 8795 case 10: 8796 gen_helper_1e0i(mftacx, t0, 2); 8797 break; 8798 case 12: 8799 gen_helper_1e0i(mftlo, t0, 3); 8800 break; 8801 case 13: 8802 gen_helper_1e0i(mfthi, t0, 3); 8803 break; 8804 case 14: 8805 gen_helper_1e0i(mftacx, t0, 3); 8806 break; 8807 case 16: 8808 gen_helper_mftdsp(t0, cpu_env); 8809 break; 8810 default: 8811 goto die; 8812 } 8813 break; 8814 /* Floating point (COP1). */ 8815 case 2: 8816 /* XXX: For now we support only a single FPU context. */ 8817 if (h == 0) { 8818 TCGv_i32 fp0 = tcg_temp_new_i32(); 8819 8820 gen_load_fpr32(ctx, fp0, rt); 8821 tcg_gen_ext_i32_tl(t0, fp0); 8822 tcg_temp_free_i32(fp0); 8823 } else { 8824 TCGv_i32 fp0 = tcg_temp_new_i32(); 8825 8826 gen_load_fpr32h(ctx, fp0, rt); 8827 tcg_gen_ext_i32_tl(t0, fp0); 8828 tcg_temp_free_i32(fp0); 8829 } 8830 break; 8831 case 3: 8832 /* XXX: For now we support only a single FPU context. */ 8833 gen_helper_1e0i(cfc1, t0, rt); 8834 break; 8835 /* COP2: Not implemented. */ 8836 case 4: 8837 case 5: 8838 /* fall through */ 8839 default: 8840 goto die; 8841 } 8842 } 8843 trace_mips_translate_tr("mftr", rt, u, sel, h); 8844 gen_store_gpr(t0, rd); 8845 tcg_temp_free(t0); 8846 return; 8847 8848 die: 8849 tcg_temp_free(t0); 8850 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h); 8851 gen_reserved_instruction(ctx); 8852 } 8853 8854 static void gen_mttr(CPUMIPSState *env, DisasContext *ctx, int rd, int rt, 8855 int u, int sel, int h) 8856 { 8857 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); 8858 TCGv t0 = tcg_temp_local_new(); 8859 8860 gen_load_gpr(t0, rt); 8861 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && 8862 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) != 8863 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) { 8864 /* NOP */ 8865 ; 8866 } else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > 8867 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) { 8868 /* NOP */ 8869 ; 8870 } else if (u == 0) { 8871 switch (rd) { 8872 case 1: 8873 switch (sel) { 8874 case 1: 8875 gen_helper_mttc0_vpecontrol(cpu_env, t0); 8876 break; 8877 case 2: 8878 gen_helper_mttc0_vpeconf0(cpu_env, t0); 8879 break; 8880 default: 8881 goto die; 8882 break; 8883 } 8884 break; 8885 case 2: 8886 switch (sel) { 8887 case 1: 8888 gen_helper_mttc0_tcstatus(cpu_env, t0); 8889 break; 8890 case 2: 8891 gen_helper_mttc0_tcbind(cpu_env, t0); 8892 break; 8893 case 3: 8894 gen_helper_mttc0_tcrestart(cpu_env, t0); 8895 break; 8896 case 4: 8897 gen_helper_mttc0_tchalt(cpu_env, t0); 8898 break; 8899 case 5: 8900 gen_helper_mttc0_tccontext(cpu_env, t0); 8901 break; 8902 case 6: 8903 gen_helper_mttc0_tcschedule(cpu_env, t0); 8904 break; 8905 case 7: 8906 gen_helper_mttc0_tcschefback(cpu_env, t0); 8907 break; 8908 default: 8909 gen_mtc0(ctx, t0, rd, sel); 8910 break; 8911 } 8912 break; 8913 case 10: 8914 switch (sel) { 8915 case 0: 8916 gen_helper_mttc0_entryhi(cpu_env, t0); 8917 break; 8918 default: 8919 gen_mtc0(ctx, t0, rd, sel); 8920 break; 8921 } 8922 break; 8923 case 12: 8924 switch (sel) { 8925 case 0: 8926 gen_helper_mttc0_status(cpu_env, t0); 8927 break; 8928 default: 8929 gen_mtc0(ctx, t0, rd, sel); 8930 break; 8931 } 8932 break; 8933 case 13: 8934 switch (sel) { 8935 case 0: 8936 gen_helper_mttc0_cause(cpu_env, t0); 8937 break; 8938 default: 8939 goto die; 8940 break; 8941 } 8942 break; 8943 case 15: 8944 switch (sel) { 8945 case 1: 8946 gen_helper_mttc0_ebase(cpu_env, t0); 8947 break; 8948 default: 8949 goto die; 8950 break; 8951 } 8952 break; 8953 case 23: 8954 switch (sel) { 8955 case 0: 8956 gen_helper_mttc0_debug(cpu_env, t0); 8957 break; 8958 default: 8959 gen_mtc0(ctx, t0, rd, sel); 8960 break; 8961 } 8962 break; 8963 default: 8964 gen_mtc0(ctx, t0, rd, sel); 8965 } 8966 } else { 8967 switch (sel) { 8968 /* GPR registers. */ 8969 case 0: 8970 gen_helper_0e1i(mttgpr, t0, rd); 8971 break; 8972 /* Auxiliary CPU registers */ 8973 case 1: 8974 switch (rd) { 8975 case 0: 8976 gen_helper_0e1i(mttlo, t0, 0); 8977 break; 8978 case 1: 8979 gen_helper_0e1i(mtthi, t0, 0); 8980 break; 8981 case 2: 8982 gen_helper_0e1i(mttacx, t0, 0); 8983 break; 8984 case 4: 8985 gen_helper_0e1i(mttlo, t0, 1); 8986 break; 8987 case 5: 8988 gen_helper_0e1i(mtthi, t0, 1); 8989 break; 8990 case 6: 8991 gen_helper_0e1i(mttacx, t0, 1); 8992 break; 8993 case 8: 8994 gen_helper_0e1i(mttlo, t0, 2); 8995 break; 8996 case 9: 8997 gen_helper_0e1i(mtthi, t0, 2); 8998 break; 8999 case 10: 9000 gen_helper_0e1i(mttacx, t0, 2); 9001 break; 9002 case 12: 9003 gen_helper_0e1i(mttlo, t0, 3); 9004 break; 9005 case 13: 9006 gen_helper_0e1i(mtthi, t0, 3); 9007 break; 9008 case 14: 9009 gen_helper_0e1i(mttacx, t0, 3); 9010 break; 9011 case 16: 9012 gen_helper_mttdsp(cpu_env, t0); 9013 break; 9014 default: 9015 goto die; 9016 } 9017 break; 9018 /* Floating point (COP1). */ 9019 case 2: 9020 /* XXX: For now we support only a single FPU context. */ 9021 if (h == 0) { 9022 TCGv_i32 fp0 = tcg_temp_new_i32(); 9023 9024 tcg_gen_trunc_tl_i32(fp0, t0); 9025 gen_store_fpr32(ctx, fp0, rd); 9026 tcg_temp_free_i32(fp0); 9027 } else { 9028 TCGv_i32 fp0 = tcg_temp_new_i32(); 9029 9030 tcg_gen_trunc_tl_i32(fp0, t0); 9031 gen_store_fpr32h(ctx, fp0, rd); 9032 tcg_temp_free_i32(fp0); 9033 } 9034 break; 9035 case 3: 9036 /* XXX: For now we support only a single FPU context. */ 9037 gen_helper_0e2i(ctc1, t0, tcg_constant_i32(rd), rt); 9038 /* Stop translation as we may have changed hflags */ 9039 ctx->base.is_jmp = DISAS_STOP; 9040 break; 9041 /* COP2: Not implemented. */ 9042 case 4: 9043 case 5: 9044 /* fall through */ 9045 default: 9046 goto die; 9047 } 9048 } 9049 trace_mips_translate_tr("mttr", rd, u, sel, h); 9050 tcg_temp_free(t0); 9051 return; 9052 9053 die: 9054 tcg_temp_free(t0); 9055 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h); 9056 gen_reserved_instruction(ctx); 9057 } 9058 9059 static void gen_cp0(CPUMIPSState *env, DisasContext *ctx, uint32_t opc, 9060 int rt, int rd) 9061 { 9062 const char *opn = "ldst"; 9063 9064 check_cp0_enabled(ctx); 9065 switch (opc) { 9066 case OPC_MFC0: 9067 if (rt == 0) { 9068 /* Treat as NOP. */ 9069 return; 9070 } 9071 gen_mfc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7); 9072 opn = "mfc0"; 9073 break; 9074 case OPC_MTC0: 9075 { 9076 TCGv t0 = tcg_temp_new(); 9077 9078 gen_load_gpr(t0, rt); 9079 gen_mtc0(ctx, t0, rd, ctx->opcode & 0x7); 9080 tcg_temp_free(t0); 9081 } 9082 opn = "mtc0"; 9083 break; 9084 #if defined(TARGET_MIPS64) 9085 case OPC_DMFC0: 9086 check_insn(ctx, ISA_MIPS3); 9087 if (rt == 0) { 9088 /* Treat as NOP. */ 9089 return; 9090 } 9091 gen_dmfc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7); 9092 opn = "dmfc0"; 9093 break; 9094 case OPC_DMTC0: 9095 check_insn(ctx, ISA_MIPS3); 9096 { 9097 TCGv t0 = tcg_temp_new(); 9098 9099 gen_load_gpr(t0, rt); 9100 gen_dmtc0(ctx, t0, rd, ctx->opcode & 0x7); 9101 tcg_temp_free(t0); 9102 } 9103 opn = "dmtc0"; 9104 break; 9105 #endif 9106 case OPC_MFHC0: 9107 check_mvh(ctx); 9108 if (rt == 0) { 9109 /* Treat as NOP. */ 9110 return; 9111 } 9112 gen_mfhc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7); 9113 opn = "mfhc0"; 9114 break; 9115 case OPC_MTHC0: 9116 check_mvh(ctx); 9117 { 9118 TCGv t0 = tcg_temp_new(); 9119 gen_load_gpr(t0, rt); 9120 gen_mthc0(ctx, t0, rd, ctx->opcode & 0x7); 9121 tcg_temp_free(t0); 9122 } 9123 opn = "mthc0"; 9124 break; 9125 case OPC_MFTR: 9126 check_cp0_enabled(ctx); 9127 if (rd == 0) { 9128 /* Treat as NOP. */ 9129 return; 9130 } 9131 gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1, 9132 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); 9133 opn = "mftr"; 9134 break; 9135 case OPC_MTTR: 9136 check_cp0_enabled(ctx); 9137 gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1, 9138 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); 9139 opn = "mttr"; 9140 break; 9141 case OPC_TLBWI: 9142 opn = "tlbwi"; 9143 if (!env->tlb->helper_tlbwi) { 9144 goto die; 9145 } 9146 gen_helper_tlbwi(cpu_env); 9147 break; 9148 case OPC_TLBINV: 9149 opn = "tlbinv"; 9150 if (ctx->ie >= 2) { 9151 if (!env->tlb->helper_tlbinv) { 9152 goto die; 9153 } 9154 gen_helper_tlbinv(cpu_env); 9155 } /* treat as nop if TLBINV not supported */ 9156 break; 9157 case OPC_TLBINVF: 9158 opn = "tlbinvf"; 9159 if (ctx->ie >= 2) { 9160 if (!env->tlb->helper_tlbinvf) { 9161 goto die; 9162 } 9163 gen_helper_tlbinvf(cpu_env); 9164 } /* treat as nop if TLBINV not supported */ 9165 break; 9166 case OPC_TLBWR: 9167 opn = "tlbwr"; 9168 if (!env->tlb->helper_tlbwr) { 9169 goto die; 9170 } 9171 gen_helper_tlbwr(cpu_env); 9172 break; 9173 case OPC_TLBP: 9174 opn = "tlbp"; 9175 if (!env->tlb->helper_tlbp) { 9176 goto die; 9177 } 9178 gen_helper_tlbp(cpu_env); 9179 break; 9180 case OPC_TLBR: 9181 opn = "tlbr"; 9182 if (!env->tlb->helper_tlbr) { 9183 goto die; 9184 } 9185 gen_helper_tlbr(cpu_env); 9186 break; 9187 case OPC_ERET: /* OPC_ERETNC */ 9188 if ((ctx->insn_flags & ISA_MIPS_R6) && 9189 (ctx->hflags & MIPS_HFLAG_BMASK)) { 9190 goto die; 9191 } else { 9192 int bit_shift = (ctx->hflags & MIPS_HFLAG_M16) ? 16 : 6; 9193 if (ctx->opcode & (1 << bit_shift)) { 9194 /* OPC_ERETNC */ 9195 opn = "eretnc"; 9196 check_insn(ctx, ISA_MIPS_R5); 9197 gen_helper_eretnc(cpu_env); 9198 } else { 9199 /* OPC_ERET */ 9200 opn = "eret"; 9201 check_insn(ctx, ISA_MIPS2); 9202 gen_helper_eret(cpu_env); 9203 } 9204 ctx->base.is_jmp = DISAS_EXIT; 9205 } 9206 break; 9207 case OPC_DERET: 9208 opn = "deret"; 9209 check_insn(ctx, ISA_MIPS_R1); 9210 if ((ctx->insn_flags & ISA_MIPS_R6) && 9211 (ctx->hflags & MIPS_HFLAG_BMASK)) { 9212 goto die; 9213 } 9214 if (!(ctx->hflags & MIPS_HFLAG_DM)) { 9215 MIPS_INVAL(opn); 9216 gen_reserved_instruction(ctx); 9217 } else { 9218 gen_helper_deret(cpu_env); 9219 ctx->base.is_jmp = DISAS_EXIT; 9220 } 9221 break; 9222 case OPC_WAIT: 9223 opn = "wait"; 9224 check_insn(ctx, ISA_MIPS3 | ISA_MIPS_R1); 9225 if ((ctx->insn_flags & ISA_MIPS_R6) && 9226 (ctx->hflags & MIPS_HFLAG_BMASK)) { 9227 goto die; 9228 } 9229 /* If we get an exception, we want to restart at next instruction */ 9230 ctx->base.pc_next += 4; 9231 save_cpu_state(ctx, 1); 9232 ctx->base.pc_next -= 4; 9233 gen_helper_wait(cpu_env); 9234 ctx->base.is_jmp = DISAS_NORETURN; 9235 break; 9236 default: 9237 die: 9238 MIPS_INVAL(opn); 9239 gen_reserved_instruction(ctx); 9240 return; 9241 } 9242 (void)opn; /* avoid a compiler warning */ 9243 } 9244 #endif /* !CONFIG_USER_ONLY */ 9245 9246 /* CP1 Branches (before delay slot) */ 9247 static void gen_compute_branch1(DisasContext *ctx, uint32_t op, 9248 int32_t cc, int32_t offset) 9249 { 9250 target_ulong btarget; 9251 TCGv_i32 t0 = tcg_temp_new_i32(); 9252 9253 if ((ctx->insn_flags & ISA_MIPS_R6) && (ctx->hflags & MIPS_HFLAG_BMASK)) { 9254 gen_reserved_instruction(ctx); 9255 goto out; 9256 } 9257 9258 if (cc != 0) { 9259 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1); 9260 } 9261 9262 btarget = ctx->base.pc_next + 4 + offset; 9263 9264 switch (op) { 9265 case OPC_BC1F: 9266 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 9267 tcg_gen_not_i32(t0, t0); 9268 tcg_gen_andi_i32(t0, t0, 1); 9269 tcg_gen_extu_i32_tl(bcond, t0); 9270 goto not_likely; 9271 case OPC_BC1FL: 9272 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 9273 tcg_gen_not_i32(t0, t0); 9274 tcg_gen_andi_i32(t0, t0, 1); 9275 tcg_gen_extu_i32_tl(bcond, t0); 9276 goto likely; 9277 case OPC_BC1T: 9278 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 9279 tcg_gen_andi_i32(t0, t0, 1); 9280 tcg_gen_extu_i32_tl(bcond, t0); 9281 goto not_likely; 9282 case OPC_BC1TL: 9283 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 9284 tcg_gen_andi_i32(t0, t0, 1); 9285 tcg_gen_extu_i32_tl(bcond, t0); 9286 likely: 9287 ctx->hflags |= MIPS_HFLAG_BL; 9288 break; 9289 case OPC_BC1FANY2: 9290 { 9291 TCGv_i32 t1 = tcg_temp_new_i32(); 9292 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 9293 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1)); 9294 tcg_gen_nand_i32(t0, t0, t1); 9295 tcg_temp_free_i32(t1); 9296 tcg_gen_andi_i32(t0, t0, 1); 9297 tcg_gen_extu_i32_tl(bcond, t0); 9298 } 9299 goto not_likely; 9300 case OPC_BC1TANY2: 9301 { 9302 TCGv_i32 t1 = tcg_temp_new_i32(); 9303 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 9304 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1)); 9305 tcg_gen_or_i32(t0, t0, t1); 9306 tcg_temp_free_i32(t1); 9307 tcg_gen_andi_i32(t0, t0, 1); 9308 tcg_gen_extu_i32_tl(bcond, t0); 9309 } 9310 goto not_likely; 9311 case OPC_BC1FANY4: 9312 { 9313 TCGv_i32 t1 = tcg_temp_new_i32(); 9314 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 9315 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1)); 9316 tcg_gen_and_i32(t0, t0, t1); 9317 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 2)); 9318 tcg_gen_and_i32(t0, t0, t1); 9319 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 3)); 9320 tcg_gen_nand_i32(t0, t0, t1); 9321 tcg_temp_free_i32(t1); 9322 tcg_gen_andi_i32(t0, t0, 1); 9323 tcg_gen_extu_i32_tl(bcond, t0); 9324 } 9325 goto not_likely; 9326 case OPC_BC1TANY4: 9327 { 9328 TCGv_i32 t1 = tcg_temp_new_i32(); 9329 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 9330 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1)); 9331 tcg_gen_or_i32(t0, t0, t1); 9332 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 2)); 9333 tcg_gen_or_i32(t0, t0, t1); 9334 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 3)); 9335 tcg_gen_or_i32(t0, t0, t1); 9336 tcg_temp_free_i32(t1); 9337 tcg_gen_andi_i32(t0, t0, 1); 9338 tcg_gen_extu_i32_tl(bcond, t0); 9339 } 9340 not_likely: 9341 ctx->hflags |= MIPS_HFLAG_BC; 9342 break; 9343 default: 9344 MIPS_INVAL("cp1 cond branch"); 9345 gen_reserved_instruction(ctx); 9346 goto out; 9347 } 9348 ctx->btarget = btarget; 9349 ctx->hflags |= MIPS_HFLAG_BDS32; 9350 out: 9351 tcg_temp_free_i32(t0); 9352 } 9353 9354 /* R6 CP1 Branches */ 9355 static void gen_compute_branch1_r6(DisasContext *ctx, uint32_t op, 9356 int32_t ft, int32_t offset, 9357 int delayslot_size) 9358 { 9359 target_ulong btarget; 9360 TCGv_i64 t0 = tcg_temp_new_i64(); 9361 9362 if (ctx->hflags & MIPS_HFLAG_BMASK) { 9363 #ifdef MIPS_DEBUG_DISAS 9364 LOG_DISAS("Branch in delay / forbidden slot at PC 0x" TARGET_FMT_lx 9365 "\n", ctx->base.pc_next); 9366 #endif 9367 gen_reserved_instruction(ctx); 9368 goto out; 9369 } 9370 9371 gen_load_fpr64(ctx, t0, ft); 9372 tcg_gen_andi_i64(t0, t0, 1); 9373 9374 btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 9375 9376 switch (op) { 9377 case OPC_BC1EQZ: 9378 tcg_gen_xori_i64(t0, t0, 1); 9379 ctx->hflags |= MIPS_HFLAG_BC; 9380 break; 9381 case OPC_BC1NEZ: 9382 /* t0 already set */ 9383 ctx->hflags |= MIPS_HFLAG_BC; 9384 break; 9385 default: 9386 MIPS_INVAL("cp1 cond branch"); 9387 gen_reserved_instruction(ctx); 9388 goto out; 9389 } 9390 9391 tcg_gen_trunc_i64_tl(bcond, t0); 9392 9393 ctx->btarget = btarget; 9394 9395 switch (delayslot_size) { 9396 case 2: 9397 ctx->hflags |= MIPS_HFLAG_BDS16; 9398 break; 9399 case 4: 9400 ctx->hflags |= MIPS_HFLAG_BDS32; 9401 break; 9402 } 9403 9404 out: 9405 tcg_temp_free_i64(t0); 9406 } 9407 9408 /* Coprocessor 1 (FPU) */ 9409 9410 #define FOP(func, fmt) (((fmt) << 21) | (func)) 9411 9412 enum fopcode { 9413 OPC_ADD_S = FOP(0, FMT_S), 9414 OPC_SUB_S = FOP(1, FMT_S), 9415 OPC_MUL_S = FOP(2, FMT_S), 9416 OPC_DIV_S = FOP(3, FMT_S), 9417 OPC_SQRT_S = FOP(4, FMT_S), 9418 OPC_ABS_S = FOP(5, FMT_S), 9419 OPC_MOV_S = FOP(6, FMT_S), 9420 OPC_NEG_S = FOP(7, FMT_S), 9421 OPC_ROUND_L_S = FOP(8, FMT_S), 9422 OPC_TRUNC_L_S = FOP(9, FMT_S), 9423 OPC_CEIL_L_S = FOP(10, FMT_S), 9424 OPC_FLOOR_L_S = FOP(11, FMT_S), 9425 OPC_ROUND_W_S = FOP(12, FMT_S), 9426 OPC_TRUNC_W_S = FOP(13, FMT_S), 9427 OPC_CEIL_W_S = FOP(14, FMT_S), 9428 OPC_FLOOR_W_S = FOP(15, FMT_S), 9429 OPC_SEL_S = FOP(16, FMT_S), 9430 OPC_MOVCF_S = FOP(17, FMT_S), 9431 OPC_MOVZ_S = FOP(18, FMT_S), 9432 OPC_MOVN_S = FOP(19, FMT_S), 9433 OPC_SELEQZ_S = FOP(20, FMT_S), 9434 OPC_RECIP_S = FOP(21, FMT_S), 9435 OPC_RSQRT_S = FOP(22, FMT_S), 9436 OPC_SELNEZ_S = FOP(23, FMT_S), 9437 OPC_MADDF_S = FOP(24, FMT_S), 9438 OPC_MSUBF_S = FOP(25, FMT_S), 9439 OPC_RINT_S = FOP(26, FMT_S), 9440 OPC_CLASS_S = FOP(27, FMT_S), 9441 OPC_MIN_S = FOP(28, FMT_S), 9442 OPC_RECIP2_S = FOP(28, FMT_S), 9443 OPC_MINA_S = FOP(29, FMT_S), 9444 OPC_RECIP1_S = FOP(29, FMT_S), 9445 OPC_MAX_S = FOP(30, FMT_S), 9446 OPC_RSQRT1_S = FOP(30, FMT_S), 9447 OPC_MAXA_S = FOP(31, FMT_S), 9448 OPC_RSQRT2_S = FOP(31, FMT_S), 9449 OPC_CVT_D_S = FOP(33, FMT_S), 9450 OPC_CVT_W_S = FOP(36, FMT_S), 9451 OPC_CVT_L_S = FOP(37, FMT_S), 9452 OPC_CVT_PS_S = FOP(38, FMT_S), 9453 OPC_CMP_F_S = FOP(48, FMT_S), 9454 OPC_CMP_UN_S = FOP(49, FMT_S), 9455 OPC_CMP_EQ_S = FOP(50, FMT_S), 9456 OPC_CMP_UEQ_S = FOP(51, FMT_S), 9457 OPC_CMP_OLT_S = FOP(52, FMT_S), 9458 OPC_CMP_ULT_S = FOP(53, FMT_S), 9459 OPC_CMP_OLE_S = FOP(54, FMT_S), 9460 OPC_CMP_ULE_S = FOP(55, FMT_S), 9461 OPC_CMP_SF_S = FOP(56, FMT_S), 9462 OPC_CMP_NGLE_S = FOP(57, FMT_S), 9463 OPC_CMP_SEQ_S = FOP(58, FMT_S), 9464 OPC_CMP_NGL_S = FOP(59, FMT_S), 9465 OPC_CMP_LT_S = FOP(60, FMT_S), 9466 OPC_CMP_NGE_S = FOP(61, FMT_S), 9467 OPC_CMP_LE_S = FOP(62, FMT_S), 9468 OPC_CMP_NGT_S = FOP(63, FMT_S), 9469 9470 OPC_ADD_D = FOP(0, FMT_D), 9471 OPC_SUB_D = FOP(1, FMT_D), 9472 OPC_MUL_D = FOP(2, FMT_D), 9473 OPC_DIV_D = FOP(3, FMT_D), 9474 OPC_SQRT_D = FOP(4, FMT_D), 9475 OPC_ABS_D = FOP(5, FMT_D), 9476 OPC_MOV_D = FOP(6, FMT_D), 9477 OPC_NEG_D = FOP(7, FMT_D), 9478 OPC_ROUND_L_D = FOP(8, FMT_D), 9479 OPC_TRUNC_L_D = FOP(9, FMT_D), 9480 OPC_CEIL_L_D = FOP(10, FMT_D), 9481 OPC_FLOOR_L_D = FOP(11, FMT_D), 9482 OPC_ROUND_W_D = FOP(12, FMT_D), 9483 OPC_TRUNC_W_D = FOP(13, FMT_D), 9484 OPC_CEIL_W_D = FOP(14, FMT_D), 9485 OPC_FLOOR_W_D = FOP(15, FMT_D), 9486 OPC_SEL_D = FOP(16, FMT_D), 9487 OPC_MOVCF_D = FOP(17, FMT_D), 9488 OPC_MOVZ_D = FOP(18, FMT_D), 9489 OPC_MOVN_D = FOP(19, FMT_D), 9490 OPC_SELEQZ_D = FOP(20, FMT_D), 9491 OPC_RECIP_D = FOP(21, FMT_D), 9492 OPC_RSQRT_D = FOP(22, FMT_D), 9493 OPC_SELNEZ_D = FOP(23, FMT_D), 9494 OPC_MADDF_D = FOP(24, FMT_D), 9495 OPC_MSUBF_D = FOP(25, FMT_D), 9496 OPC_RINT_D = FOP(26, FMT_D), 9497 OPC_CLASS_D = FOP(27, FMT_D), 9498 OPC_MIN_D = FOP(28, FMT_D), 9499 OPC_RECIP2_D = FOP(28, FMT_D), 9500 OPC_MINA_D = FOP(29, FMT_D), 9501 OPC_RECIP1_D = FOP(29, FMT_D), 9502 OPC_MAX_D = FOP(30, FMT_D), 9503 OPC_RSQRT1_D = FOP(30, FMT_D), 9504 OPC_MAXA_D = FOP(31, FMT_D), 9505 OPC_RSQRT2_D = FOP(31, FMT_D), 9506 OPC_CVT_S_D = FOP(32, FMT_D), 9507 OPC_CVT_W_D = FOP(36, FMT_D), 9508 OPC_CVT_L_D = FOP(37, FMT_D), 9509 OPC_CMP_F_D = FOP(48, FMT_D), 9510 OPC_CMP_UN_D = FOP(49, FMT_D), 9511 OPC_CMP_EQ_D = FOP(50, FMT_D), 9512 OPC_CMP_UEQ_D = FOP(51, FMT_D), 9513 OPC_CMP_OLT_D = FOP(52, FMT_D), 9514 OPC_CMP_ULT_D = FOP(53, FMT_D), 9515 OPC_CMP_OLE_D = FOP(54, FMT_D), 9516 OPC_CMP_ULE_D = FOP(55, FMT_D), 9517 OPC_CMP_SF_D = FOP(56, FMT_D), 9518 OPC_CMP_NGLE_D = FOP(57, FMT_D), 9519 OPC_CMP_SEQ_D = FOP(58, FMT_D), 9520 OPC_CMP_NGL_D = FOP(59, FMT_D), 9521 OPC_CMP_LT_D = FOP(60, FMT_D), 9522 OPC_CMP_NGE_D = FOP(61, FMT_D), 9523 OPC_CMP_LE_D = FOP(62, FMT_D), 9524 OPC_CMP_NGT_D = FOP(63, FMT_D), 9525 9526 OPC_CVT_S_W = FOP(32, FMT_W), 9527 OPC_CVT_D_W = FOP(33, FMT_W), 9528 OPC_CVT_S_L = FOP(32, FMT_L), 9529 OPC_CVT_D_L = FOP(33, FMT_L), 9530 OPC_CVT_PS_PW = FOP(38, FMT_W), 9531 9532 OPC_ADD_PS = FOP(0, FMT_PS), 9533 OPC_SUB_PS = FOP(1, FMT_PS), 9534 OPC_MUL_PS = FOP(2, FMT_PS), 9535 OPC_DIV_PS = FOP(3, FMT_PS), 9536 OPC_ABS_PS = FOP(5, FMT_PS), 9537 OPC_MOV_PS = FOP(6, FMT_PS), 9538 OPC_NEG_PS = FOP(7, FMT_PS), 9539 OPC_MOVCF_PS = FOP(17, FMT_PS), 9540 OPC_MOVZ_PS = FOP(18, FMT_PS), 9541 OPC_MOVN_PS = FOP(19, FMT_PS), 9542 OPC_ADDR_PS = FOP(24, FMT_PS), 9543 OPC_MULR_PS = FOP(26, FMT_PS), 9544 OPC_RECIP2_PS = FOP(28, FMT_PS), 9545 OPC_RECIP1_PS = FOP(29, FMT_PS), 9546 OPC_RSQRT1_PS = FOP(30, FMT_PS), 9547 OPC_RSQRT2_PS = FOP(31, FMT_PS), 9548 9549 OPC_CVT_S_PU = FOP(32, FMT_PS), 9550 OPC_CVT_PW_PS = FOP(36, FMT_PS), 9551 OPC_CVT_S_PL = FOP(40, FMT_PS), 9552 OPC_PLL_PS = FOP(44, FMT_PS), 9553 OPC_PLU_PS = FOP(45, FMT_PS), 9554 OPC_PUL_PS = FOP(46, FMT_PS), 9555 OPC_PUU_PS = FOP(47, FMT_PS), 9556 OPC_CMP_F_PS = FOP(48, FMT_PS), 9557 OPC_CMP_UN_PS = FOP(49, FMT_PS), 9558 OPC_CMP_EQ_PS = FOP(50, FMT_PS), 9559 OPC_CMP_UEQ_PS = FOP(51, FMT_PS), 9560 OPC_CMP_OLT_PS = FOP(52, FMT_PS), 9561 OPC_CMP_ULT_PS = FOP(53, FMT_PS), 9562 OPC_CMP_OLE_PS = FOP(54, FMT_PS), 9563 OPC_CMP_ULE_PS = FOP(55, FMT_PS), 9564 OPC_CMP_SF_PS = FOP(56, FMT_PS), 9565 OPC_CMP_NGLE_PS = FOP(57, FMT_PS), 9566 OPC_CMP_SEQ_PS = FOP(58, FMT_PS), 9567 OPC_CMP_NGL_PS = FOP(59, FMT_PS), 9568 OPC_CMP_LT_PS = FOP(60, FMT_PS), 9569 OPC_CMP_NGE_PS = FOP(61, FMT_PS), 9570 OPC_CMP_LE_PS = FOP(62, FMT_PS), 9571 OPC_CMP_NGT_PS = FOP(63, FMT_PS), 9572 }; 9573 9574 enum r6_f_cmp_op { 9575 R6_OPC_CMP_AF_S = FOP(0, FMT_W), 9576 R6_OPC_CMP_UN_S = FOP(1, FMT_W), 9577 R6_OPC_CMP_EQ_S = FOP(2, FMT_W), 9578 R6_OPC_CMP_UEQ_S = FOP(3, FMT_W), 9579 R6_OPC_CMP_LT_S = FOP(4, FMT_W), 9580 R6_OPC_CMP_ULT_S = FOP(5, FMT_W), 9581 R6_OPC_CMP_LE_S = FOP(6, FMT_W), 9582 R6_OPC_CMP_ULE_S = FOP(7, FMT_W), 9583 R6_OPC_CMP_SAF_S = FOP(8, FMT_W), 9584 R6_OPC_CMP_SUN_S = FOP(9, FMT_W), 9585 R6_OPC_CMP_SEQ_S = FOP(10, FMT_W), 9586 R6_OPC_CMP_SEUQ_S = FOP(11, FMT_W), 9587 R6_OPC_CMP_SLT_S = FOP(12, FMT_W), 9588 R6_OPC_CMP_SULT_S = FOP(13, FMT_W), 9589 R6_OPC_CMP_SLE_S = FOP(14, FMT_W), 9590 R6_OPC_CMP_SULE_S = FOP(15, FMT_W), 9591 R6_OPC_CMP_OR_S = FOP(17, FMT_W), 9592 R6_OPC_CMP_UNE_S = FOP(18, FMT_W), 9593 R6_OPC_CMP_NE_S = FOP(19, FMT_W), 9594 R6_OPC_CMP_SOR_S = FOP(25, FMT_W), 9595 R6_OPC_CMP_SUNE_S = FOP(26, FMT_W), 9596 R6_OPC_CMP_SNE_S = FOP(27, FMT_W), 9597 9598 R6_OPC_CMP_AF_D = FOP(0, FMT_L), 9599 R6_OPC_CMP_UN_D = FOP(1, FMT_L), 9600 R6_OPC_CMP_EQ_D = FOP(2, FMT_L), 9601 R6_OPC_CMP_UEQ_D = FOP(3, FMT_L), 9602 R6_OPC_CMP_LT_D = FOP(4, FMT_L), 9603 R6_OPC_CMP_ULT_D = FOP(5, FMT_L), 9604 R6_OPC_CMP_LE_D = FOP(6, FMT_L), 9605 R6_OPC_CMP_ULE_D = FOP(7, FMT_L), 9606 R6_OPC_CMP_SAF_D = FOP(8, FMT_L), 9607 R6_OPC_CMP_SUN_D = FOP(9, FMT_L), 9608 R6_OPC_CMP_SEQ_D = FOP(10, FMT_L), 9609 R6_OPC_CMP_SEUQ_D = FOP(11, FMT_L), 9610 R6_OPC_CMP_SLT_D = FOP(12, FMT_L), 9611 R6_OPC_CMP_SULT_D = FOP(13, FMT_L), 9612 R6_OPC_CMP_SLE_D = FOP(14, FMT_L), 9613 R6_OPC_CMP_SULE_D = FOP(15, FMT_L), 9614 R6_OPC_CMP_OR_D = FOP(17, FMT_L), 9615 R6_OPC_CMP_UNE_D = FOP(18, FMT_L), 9616 R6_OPC_CMP_NE_D = FOP(19, FMT_L), 9617 R6_OPC_CMP_SOR_D = FOP(25, FMT_L), 9618 R6_OPC_CMP_SUNE_D = FOP(26, FMT_L), 9619 R6_OPC_CMP_SNE_D = FOP(27, FMT_L), 9620 }; 9621 9622 static void gen_cp1(DisasContext *ctx, uint32_t opc, int rt, int fs) 9623 { 9624 TCGv t0 = tcg_temp_new(); 9625 9626 switch (opc) { 9627 case OPC_MFC1: 9628 { 9629 TCGv_i32 fp0 = tcg_temp_new_i32(); 9630 9631 gen_load_fpr32(ctx, fp0, fs); 9632 tcg_gen_ext_i32_tl(t0, fp0); 9633 tcg_temp_free_i32(fp0); 9634 } 9635 gen_store_gpr(t0, rt); 9636 break; 9637 case OPC_MTC1: 9638 gen_load_gpr(t0, rt); 9639 { 9640 TCGv_i32 fp0 = tcg_temp_new_i32(); 9641 9642 tcg_gen_trunc_tl_i32(fp0, t0); 9643 gen_store_fpr32(ctx, fp0, fs); 9644 tcg_temp_free_i32(fp0); 9645 } 9646 break; 9647 case OPC_CFC1: 9648 gen_helper_1e0i(cfc1, t0, fs); 9649 gen_store_gpr(t0, rt); 9650 break; 9651 case OPC_CTC1: 9652 gen_load_gpr(t0, rt); 9653 save_cpu_state(ctx, 0); 9654 gen_helper_0e2i(ctc1, t0, tcg_constant_i32(fs), rt); 9655 /* Stop translation as we may have changed hflags */ 9656 ctx->base.is_jmp = DISAS_STOP; 9657 break; 9658 #if defined(TARGET_MIPS64) 9659 case OPC_DMFC1: 9660 gen_load_fpr64(ctx, t0, fs); 9661 gen_store_gpr(t0, rt); 9662 break; 9663 case OPC_DMTC1: 9664 gen_load_gpr(t0, rt); 9665 gen_store_fpr64(ctx, t0, fs); 9666 break; 9667 #endif 9668 case OPC_MFHC1: 9669 { 9670 TCGv_i32 fp0 = tcg_temp_new_i32(); 9671 9672 gen_load_fpr32h(ctx, fp0, fs); 9673 tcg_gen_ext_i32_tl(t0, fp0); 9674 tcg_temp_free_i32(fp0); 9675 } 9676 gen_store_gpr(t0, rt); 9677 break; 9678 case OPC_MTHC1: 9679 gen_load_gpr(t0, rt); 9680 { 9681 TCGv_i32 fp0 = tcg_temp_new_i32(); 9682 9683 tcg_gen_trunc_tl_i32(fp0, t0); 9684 gen_store_fpr32h(ctx, fp0, fs); 9685 tcg_temp_free_i32(fp0); 9686 } 9687 break; 9688 default: 9689 MIPS_INVAL("cp1 move"); 9690 gen_reserved_instruction(ctx); 9691 goto out; 9692 } 9693 9694 out: 9695 tcg_temp_free(t0); 9696 } 9697 9698 static void gen_movci(DisasContext *ctx, int rd, int rs, int cc, int tf) 9699 { 9700 TCGLabel *l1; 9701 TCGCond cond; 9702 TCGv_i32 t0; 9703 9704 if (rd == 0) { 9705 /* Treat as NOP. */ 9706 return; 9707 } 9708 9709 if (tf) { 9710 cond = TCG_COND_EQ; 9711 } else { 9712 cond = TCG_COND_NE; 9713 } 9714 9715 l1 = gen_new_label(); 9716 t0 = tcg_temp_new_i32(); 9717 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); 9718 tcg_gen_brcondi_i32(cond, t0, 0, l1); 9719 tcg_temp_free_i32(t0); 9720 gen_load_gpr(cpu_gpr[rd], rs); 9721 gen_set_label(l1); 9722 } 9723 9724 static inline void gen_movcf_s(DisasContext *ctx, int fs, int fd, int cc, 9725 int tf) 9726 { 9727 int cond; 9728 TCGv_i32 t0 = tcg_temp_new_i32(); 9729 TCGLabel *l1 = gen_new_label(); 9730 9731 if (tf) { 9732 cond = TCG_COND_EQ; 9733 } else { 9734 cond = TCG_COND_NE; 9735 } 9736 9737 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); 9738 tcg_gen_brcondi_i32(cond, t0, 0, l1); 9739 gen_load_fpr32(ctx, t0, fs); 9740 gen_store_fpr32(ctx, t0, fd); 9741 gen_set_label(l1); 9742 tcg_temp_free_i32(t0); 9743 } 9744 9745 static inline void gen_movcf_d(DisasContext *ctx, int fs, int fd, int cc, 9746 int tf) 9747 { 9748 int cond; 9749 TCGv_i32 t0 = tcg_temp_new_i32(); 9750 TCGv_i64 fp0; 9751 TCGLabel *l1 = gen_new_label(); 9752 9753 if (tf) { 9754 cond = TCG_COND_EQ; 9755 } else { 9756 cond = TCG_COND_NE; 9757 } 9758 9759 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); 9760 tcg_gen_brcondi_i32(cond, t0, 0, l1); 9761 tcg_temp_free_i32(t0); 9762 fp0 = tcg_temp_new_i64(); 9763 gen_load_fpr64(ctx, fp0, fs); 9764 gen_store_fpr64(ctx, fp0, fd); 9765 tcg_temp_free_i64(fp0); 9766 gen_set_label(l1); 9767 } 9768 9769 static inline void gen_movcf_ps(DisasContext *ctx, int fs, int fd, 9770 int cc, int tf) 9771 { 9772 int cond; 9773 TCGv_i32 t0 = tcg_temp_new_i32(); 9774 TCGLabel *l1 = gen_new_label(); 9775 TCGLabel *l2 = gen_new_label(); 9776 9777 if (tf) { 9778 cond = TCG_COND_EQ; 9779 } else { 9780 cond = TCG_COND_NE; 9781 } 9782 9783 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); 9784 tcg_gen_brcondi_i32(cond, t0, 0, l1); 9785 gen_load_fpr32(ctx, t0, fs); 9786 gen_store_fpr32(ctx, t0, fd); 9787 gen_set_label(l1); 9788 9789 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc + 1)); 9790 tcg_gen_brcondi_i32(cond, t0, 0, l2); 9791 gen_load_fpr32h(ctx, t0, fs); 9792 gen_store_fpr32h(ctx, t0, fd); 9793 tcg_temp_free_i32(t0); 9794 gen_set_label(l2); 9795 } 9796 9797 static void gen_sel_s(DisasContext *ctx, enum fopcode op1, int fd, int ft, 9798 int fs) 9799 { 9800 TCGv_i32 t1 = tcg_const_i32(0); 9801 TCGv_i32 fp0 = tcg_temp_new_i32(); 9802 TCGv_i32 fp1 = tcg_temp_new_i32(); 9803 TCGv_i32 fp2 = tcg_temp_new_i32(); 9804 gen_load_fpr32(ctx, fp0, fd); 9805 gen_load_fpr32(ctx, fp1, ft); 9806 gen_load_fpr32(ctx, fp2, fs); 9807 9808 switch (op1) { 9809 case OPC_SEL_S: 9810 tcg_gen_andi_i32(fp0, fp0, 1); 9811 tcg_gen_movcond_i32(TCG_COND_NE, fp0, fp0, t1, fp1, fp2); 9812 break; 9813 case OPC_SELEQZ_S: 9814 tcg_gen_andi_i32(fp1, fp1, 1); 9815 tcg_gen_movcond_i32(TCG_COND_EQ, fp0, fp1, t1, fp2, t1); 9816 break; 9817 case OPC_SELNEZ_S: 9818 tcg_gen_andi_i32(fp1, fp1, 1); 9819 tcg_gen_movcond_i32(TCG_COND_NE, fp0, fp1, t1, fp2, t1); 9820 break; 9821 default: 9822 MIPS_INVAL("gen_sel_s"); 9823 gen_reserved_instruction(ctx); 9824 break; 9825 } 9826 9827 gen_store_fpr32(ctx, fp0, fd); 9828 tcg_temp_free_i32(fp2); 9829 tcg_temp_free_i32(fp1); 9830 tcg_temp_free_i32(fp0); 9831 tcg_temp_free_i32(t1); 9832 } 9833 9834 static void gen_sel_d(DisasContext *ctx, enum fopcode op1, int fd, int ft, 9835 int fs) 9836 { 9837 TCGv_i64 t1 = tcg_const_i64(0); 9838 TCGv_i64 fp0 = tcg_temp_new_i64(); 9839 TCGv_i64 fp1 = tcg_temp_new_i64(); 9840 TCGv_i64 fp2 = tcg_temp_new_i64(); 9841 gen_load_fpr64(ctx, fp0, fd); 9842 gen_load_fpr64(ctx, fp1, ft); 9843 gen_load_fpr64(ctx, fp2, fs); 9844 9845 switch (op1) { 9846 case OPC_SEL_D: 9847 tcg_gen_andi_i64(fp0, fp0, 1); 9848 tcg_gen_movcond_i64(TCG_COND_NE, fp0, fp0, t1, fp1, fp2); 9849 break; 9850 case OPC_SELEQZ_D: 9851 tcg_gen_andi_i64(fp1, fp1, 1); 9852 tcg_gen_movcond_i64(TCG_COND_EQ, fp0, fp1, t1, fp2, t1); 9853 break; 9854 case OPC_SELNEZ_D: 9855 tcg_gen_andi_i64(fp1, fp1, 1); 9856 tcg_gen_movcond_i64(TCG_COND_NE, fp0, fp1, t1, fp2, t1); 9857 break; 9858 default: 9859 MIPS_INVAL("gen_sel_d"); 9860 gen_reserved_instruction(ctx); 9861 break; 9862 } 9863 9864 gen_store_fpr64(ctx, fp0, fd); 9865 tcg_temp_free_i64(fp2); 9866 tcg_temp_free_i64(fp1); 9867 tcg_temp_free_i64(fp0); 9868 tcg_temp_free_i64(t1); 9869 } 9870 9871 static void gen_farith(DisasContext *ctx, enum fopcode op1, 9872 int ft, int fs, int fd, int cc) 9873 { 9874 uint32_t func = ctx->opcode & 0x3f; 9875 switch (op1) { 9876 case OPC_ADD_S: 9877 { 9878 TCGv_i32 fp0 = tcg_temp_new_i32(); 9879 TCGv_i32 fp1 = tcg_temp_new_i32(); 9880 9881 gen_load_fpr32(ctx, fp0, fs); 9882 gen_load_fpr32(ctx, fp1, ft); 9883 gen_helper_float_add_s(fp0, cpu_env, fp0, fp1); 9884 tcg_temp_free_i32(fp1); 9885 gen_store_fpr32(ctx, fp0, fd); 9886 tcg_temp_free_i32(fp0); 9887 } 9888 break; 9889 case OPC_SUB_S: 9890 { 9891 TCGv_i32 fp0 = tcg_temp_new_i32(); 9892 TCGv_i32 fp1 = tcg_temp_new_i32(); 9893 9894 gen_load_fpr32(ctx, fp0, fs); 9895 gen_load_fpr32(ctx, fp1, ft); 9896 gen_helper_float_sub_s(fp0, cpu_env, fp0, fp1); 9897 tcg_temp_free_i32(fp1); 9898 gen_store_fpr32(ctx, fp0, fd); 9899 tcg_temp_free_i32(fp0); 9900 } 9901 break; 9902 case OPC_MUL_S: 9903 { 9904 TCGv_i32 fp0 = tcg_temp_new_i32(); 9905 TCGv_i32 fp1 = tcg_temp_new_i32(); 9906 9907 gen_load_fpr32(ctx, fp0, fs); 9908 gen_load_fpr32(ctx, fp1, ft); 9909 gen_helper_float_mul_s(fp0, cpu_env, fp0, fp1); 9910 tcg_temp_free_i32(fp1); 9911 gen_store_fpr32(ctx, fp0, fd); 9912 tcg_temp_free_i32(fp0); 9913 } 9914 break; 9915 case OPC_DIV_S: 9916 { 9917 TCGv_i32 fp0 = tcg_temp_new_i32(); 9918 TCGv_i32 fp1 = tcg_temp_new_i32(); 9919 9920 gen_load_fpr32(ctx, fp0, fs); 9921 gen_load_fpr32(ctx, fp1, ft); 9922 gen_helper_float_div_s(fp0, cpu_env, fp0, fp1); 9923 tcg_temp_free_i32(fp1); 9924 gen_store_fpr32(ctx, fp0, fd); 9925 tcg_temp_free_i32(fp0); 9926 } 9927 break; 9928 case OPC_SQRT_S: 9929 { 9930 TCGv_i32 fp0 = tcg_temp_new_i32(); 9931 9932 gen_load_fpr32(ctx, fp0, fs); 9933 gen_helper_float_sqrt_s(fp0, cpu_env, fp0); 9934 gen_store_fpr32(ctx, fp0, fd); 9935 tcg_temp_free_i32(fp0); 9936 } 9937 break; 9938 case OPC_ABS_S: 9939 { 9940 TCGv_i32 fp0 = tcg_temp_new_i32(); 9941 9942 gen_load_fpr32(ctx, fp0, fs); 9943 if (ctx->abs2008) { 9944 tcg_gen_andi_i32(fp0, fp0, 0x7fffffffUL); 9945 } else { 9946 gen_helper_float_abs_s(fp0, fp0); 9947 } 9948 gen_store_fpr32(ctx, fp0, fd); 9949 tcg_temp_free_i32(fp0); 9950 } 9951 break; 9952 case OPC_MOV_S: 9953 { 9954 TCGv_i32 fp0 = tcg_temp_new_i32(); 9955 9956 gen_load_fpr32(ctx, fp0, fs); 9957 gen_store_fpr32(ctx, fp0, fd); 9958 tcg_temp_free_i32(fp0); 9959 } 9960 break; 9961 case OPC_NEG_S: 9962 { 9963 TCGv_i32 fp0 = tcg_temp_new_i32(); 9964 9965 gen_load_fpr32(ctx, fp0, fs); 9966 if (ctx->abs2008) { 9967 tcg_gen_xori_i32(fp0, fp0, 1UL << 31); 9968 } else { 9969 gen_helper_float_chs_s(fp0, fp0); 9970 } 9971 gen_store_fpr32(ctx, fp0, fd); 9972 tcg_temp_free_i32(fp0); 9973 } 9974 break; 9975 case OPC_ROUND_L_S: 9976 check_cp1_64bitmode(ctx); 9977 { 9978 TCGv_i32 fp32 = tcg_temp_new_i32(); 9979 TCGv_i64 fp64 = tcg_temp_new_i64(); 9980 9981 gen_load_fpr32(ctx, fp32, fs); 9982 if (ctx->nan2008) { 9983 gen_helper_float_round_2008_l_s(fp64, cpu_env, fp32); 9984 } else { 9985 gen_helper_float_round_l_s(fp64, cpu_env, fp32); 9986 } 9987 tcg_temp_free_i32(fp32); 9988 gen_store_fpr64(ctx, fp64, fd); 9989 tcg_temp_free_i64(fp64); 9990 } 9991 break; 9992 case OPC_TRUNC_L_S: 9993 check_cp1_64bitmode(ctx); 9994 { 9995 TCGv_i32 fp32 = tcg_temp_new_i32(); 9996 TCGv_i64 fp64 = tcg_temp_new_i64(); 9997 9998 gen_load_fpr32(ctx, fp32, fs); 9999 if (ctx->nan2008) { 10000 gen_helper_float_trunc_2008_l_s(fp64, cpu_env, fp32); 10001 } else { 10002 gen_helper_float_trunc_l_s(fp64, cpu_env, fp32); 10003 } 10004 tcg_temp_free_i32(fp32); 10005 gen_store_fpr64(ctx, fp64, fd); 10006 tcg_temp_free_i64(fp64); 10007 } 10008 break; 10009 case OPC_CEIL_L_S: 10010 check_cp1_64bitmode(ctx); 10011 { 10012 TCGv_i32 fp32 = tcg_temp_new_i32(); 10013 TCGv_i64 fp64 = tcg_temp_new_i64(); 10014 10015 gen_load_fpr32(ctx, fp32, fs); 10016 if (ctx->nan2008) { 10017 gen_helper_float_ceil_2008_l_s(fp64, cpu_env, fp32); 10018 } else { 10019 gen_helper_float_ceil_l_s(fp64, cpu_env, fp32); 10020 } 10021 tcg_temp_free_i32(fp32); 10022 gen_store_fpr64(ctx, fp64, fd); 10023 tcg_temp_free_i64(fp64); 10024 } 10025 break; 10026 case OPC_FLOOR_L_S: 10027 check_cp1_64bitmode(ctx); 10028 { 10029 TCGv_i32 fp32 = tcg_temp_new_i32(); 10030 TCGv_i64 fp64 = tcg_temp_new_i64(); 10031 10032 gen_load_fpr32(ctx, fp32, fs); 10033 if (ctx->nan2008) { 10034 gen_helper_float_floor_2008_l_s(fp64, cpu_env, fp32); 10035 } else { 10036 gen_helper_float_floor_l_s(fp64, cpu_env, fp32); 10037 } 10038 tcg_temp_free_i32(fp32); 10039 gen_store_fpr64(ctx, fp64, fd); 10040 tcg_temp_free_i64(fp64); 10041 } 10042 break; 10043 case OPC_ROUND_W_S: 10044 { 10045 TCGv_i32 fp0 = tcg_temp_new_i32(); 10046 10047 gen_load_fpr32(ctx, fp0, fs); 10048 if (ctx->nan2008) { 10049 gen_helper_float_round_2008_w_s(fp0, cpu_env, fp0); 10050 } else { 10051 gen_helper_float_round_w_s(fp0, cpu_env, fp0); 10052 } 10053 gen_store_fpr32(ctx, fp0, fd); 10054 tcg_temp_free_i32(fp0); 10055 } 10056 break; 10057 case OPC_TRUNC_W_S: 10058 { 10059 TCGv_i32 fp0 = tcg_temp_new_i32(); 10060 10061 gen_load_fpr32(ctx, fp0, fs); 10062 if (ctx->nan2008) { 10063 gen_helper_float_trunc_2008_w_s(fp0, cpu_env, fp0); 10064 } else { 10065 gen_helper_float_trunc_w_s(fp0, cpu_env, fp0); 10066 } 10067 gen_store_fpr32(ctx, fp0, fd); 10068 tcg_temp_free_i32(fp0); 10069 } 10070 break; 10071 case OPC_CEIL_W_S: 10072 { 10073 TCGv_i32 fp0 = tcg_temp_new_i32(); 10074 10075 gen_load_fpr32(ctx, fp0, fs); 10076 if (ctx->nan2008) { 10077 gen_helper_float_ceil_2008_w_s(fp0, cpu_env, fp0); 10078 } else { 10079 gen_helper_float_ceil_w_s(fp0, cpu_env, fp0); 10080 } 10081 gen_store_fpr32(ctx, fp0, fd); 10082 tcg_temp_free_i32(fp0); 10083 } 10084 break; 10085 case OPC_FLOOR_W_S: 10086 { 10087 TCGv_i32 fp0 = tcg_temp_new_i32(); 10088 10089 gen_load_fpr32(ctx, fp0, fs); 10090 if (ctx->nan2008) { 10091 gen_helper_float_floor_2008_w_s(fp0, cpu_env, fp0); 10092 } else { 10093 gen_helper_float_floor_w_s(fp0, cpu_env, fp0); 10094 } 10095 gen_store_fpr32(ctx, fp0, fd); 10096 tcg_temp_free_i32(fp0); 10097 } 10098 break; 10099 case OPC_SEL_S: 10100 check_insn(ctx, ISA_MIPS_R6); 10101 gen_sel_s(ctx, op1, fd, ft, fs); 10102 break; 10103 case OPC_SELEQZ_S: 10104 check_insn(ctx, ISA_MIPS_R6); 10105 gen_sel_s(ctx, op1, fd, ft, fs); 10106 break; 10107 case OPC_SELNEZ_S: 10108 check_insn(ctx, ISA_MIPS_R6); 10109 gen_sel_s(ctx, op1, fd, ft, fs); 10110 break; 10111 case OPC_MOVCF_S: 10112 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10113 gen_movcf_s(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); 10114 break; 10115 case OPC_MOVZ_S: 10116 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10117 { 10118 TCGLabel *l1 = gen_new_label(); 10119 TCGv_i32 fp0; 10120 10121 if (ft != 0) { 10122 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); 10123 } 10124 fp0 = tcg_temp_new_i32(); 10125 gen_load_fpr32(ctx, fp0, fs); 10126 gen_store_fpr32(ctx, fp0, fd); 10127 tcg_temp_free_i32(fp0); 10128 gen_set_label(l1); 10129 } 10130 break; 10131 case OPC_MOVN_S: 10132 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10133 { 10134 TCGLabel *l1 = gen_new_label(); 10135 TCGv_i32 fp0; 10136 10137 if (ft != 0) { 10138 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); 10139 fp0 = tcg_temp_new_i32(); 10140 gen_load_fpr32(ctx, fp0, fs); 10141 gen_store_fpr32(ctx, fp0, fd); 10142 tcg_temp_free_i32(fp0); 10143 gen_set_label(l1); 10144 } 10145 } 10146 break; 10147 case OPC_RECIP_S: 10148 { 10149 TCGv_i32 fp0 = tcg_temp_new_i32(); 10150 10151 gen_load_fpr32(ctx, fp0, fs); 10152 gen_helper_float_recip_s(fp0, cpu_env, fp0); 10153 gen_store_fpr32(ctx, fp0, fd); 10154 tcg_temp_free_i32(fp0); 10155 } 10156 break; 10157 case OPC_RSQRT_S: 10158 { 10159 TCGv_i32 fp0 = tcg_temp_new_i32(); 10160 10161 gen_load_fpr32(ctx, fp0, fs); 10162 gen_helper_float_rsqrt_s(fp0, cpu_env, fp0); 10163 gen_store_fpr32(ctx, fp0, fd); 10164 tcg_temp_free_i32(fp0); 10165 } 10166 break; 10167 case OPC_MADDF_S: 10168 check_insn(ctx, ISA_MIPS_R6); 10169 { 10170 TCGv_i32 fp0 = tcg_temp_new_i32(); 10171 TCGv_i32 fp1 = tcg_temp_new_i32(); 10172 TCGv_i32 fp2 = tcg_temp_new_i32(); 10173 gen_load_fpr32(ctx, fp0, fs); 10174 gen_load_fpr32(ctx, fp1, ft); 10175 gen_load_fpr32(ctx, fp2, fd); 10176 gen_helper_float_maddf_s(fp2, cpu_env, fp0, fp1, fp2); 10177 gen_store_fpr32(ctx, fp2, fd); 10178 tcg_temp_free_i32(fp2); 10179 tcg_temp_free_i32(fp1); 10180 tcg_temp_free_i32(fp0); 10181 } 10182 break; 10183 case OPC_MSUBF_S: 10184 check_insn(ctx, ISA_MIPS_R6); 10185 { 10186 TCGv_i32 fp0 = tcg_temp_new_i32(); 10187 TCGv_i32 fp1 = tcg_temp_new_i32(); 10188 TCGv_i32 fp2 = tcg_temp_new_i32(); 10189 gen_load_fpr32(ctx, fp0, fs); 10190 gen_load_fpr32(ctx, fp1, ft); 10191 gen_load_fpr32(ctx, fp2, fd); 10192 gen_helper_float_msubf_s(fp2, cpu_env, fp0, fp1, fp2); 10193 gen_store_fpr32(ctx, fp2, fd); 10194 tcg_temp_free_i32(fp2); 10195 tcg_temp_free_i32(fp1); 10196 tcg_temp_free_i32(fp0); 10197 } 10198 break; 10199 case OPC_RINT_S: 10200 check_insn(ctx, ISA_MIPS_R6); 10201 { 10202 TCGv_i32 fp0 = tcg_temp_new_i32(); 10203 gen_load_fpr32(ctx, fp0, fs); 10204 gen_helper_float_rint_s(fp0, cpu_env, fp0); 10205 gen_store_fpr32(ctx, fp0, fd); 10206 tcg_temp_free_i32(fp0); 10207 } 10208 break; 10209 case OPC_CLASS_S: 10210 check_insn(ctx, ISA_MIPS_R6); 10211 { 10212 TCGv_i32 fp0 = tcg_temp_new_i32(); 10213 gen_load_fpr32(ctx, fp0, fs); 10214 gen_helper_float_class_s(fp0, cpu_env, fp0); 10215 gen_store_fpr32(ctx, fp0, fd); 10216 tcg_temp_free_i32(fp0); 10217 } 10218 break; 10219 case OPC_MIN_S: /* OPC_RECIP2_S */ 10220 if (ctx->insn_flags & ISA_MIPS_R6) { 10221 /* OPC_MIN_S */ 10222 TCGv_i32 fp0 = tcg_temp_new_i32(); 10223 TCGv_i32 fp1 = tcg_temp_new_i32(); 10224 TCGv_i32 fp2 = tcg_temp_new_i32(); 10225 gen_load_fpr32(ctx, fp0, fs); 10226 gen_load_fpr32(ctx, fp1, ft); 10227 gen_helper_float_min_s(fp2, cpu_env, fp0, fp1); 10228 gen_store_fpr32(ctx, fp2, fd); 10229 tcg_temp_free_i32(fp2); 10230 tcg_temp_free_i32(fp1); 10231 tcg_temp_free_i32(fp0); 10232 } else { 10233 /* OPC_RECIP2_S */ 10234 check_cp1_64bitmode(ctx); 10235 { 10236 TCGv_i32 fp0 = tcg_temp_new_i32(); 10237 TCGv_i32 fp1 = tcg_temp_new_i32(); 10238 10239 gen_load_fpr32(ctx, fp0, fs); 10240 gen_load_fpr32(ctx, fp1, ft); 10241 gen_helper_float_recip2_s(fp0, cpu_env, fp0, fp1); 10242 tcg_temp_free_i32(fp1); 10243 gen_store_fpr32(ctx, fp0, fd); 10244 tcg_temp_free_i32(fp0); 10245 } 10246 } 10247 break; 10248 case OPC_MINA_S: /* OPC_RECIP1_S */ 10249 if (ctx->insn_flags & ISA_MIPS_R6) { 10250 /* OPC_MINA_S */ 10251 TCGv_i32 fp0 = tcg_temp_new_i32(); 10252 TCGv_i32 fp1 = tcg_temp_new_i32(); 10253 TCGv_i32 fp2 = tcg_temp_new_i32(); 10254 gen_load_fpr32(ctx, fp0, fs); 10255 gen_load_fpr32(ctx, fp1, ft); 10256 gen_helper_float_mina_s(fp2, cpu_env, fp0, fp1); 10257 gen_store_fpr32(ctx, fp2, fd); 10258 tcg_temp_free_i32(fp2); 10259 tcg_temp_free_i32(fp1); 10260 tcg_temp_free_i32(fp0); 10261 } else { 10262 /* OPC_RECIP1_S */ 10263 check_cp1_64bitmode(ctx); 10264 { 10265 TCGv_i32 fp0 = tcg_temp_new_i32(); 10266 10267 gen_load_fpr32(ctx, fp0, fs); 10268 gen_helper_float_recip1_s(fp0, cpu_env, fp0); 10269 gen_store_fpr32(ctx, fp0, fd); 10270 tcg_temp_free_i32(fp0); 10271 } 10272 } 10273 break; 10274 case OPC_MAX_S: /* OPC_RSQRT1_S */ 10275 if (ctx->insn_flags & ISA_MIPS_R6) { 10276 /* OPC_MAX_S */ 10277 TCGv_i32 fp0 = tcg_temp_new_i32(); 10278 TCGv_i32 fp1 = tcg_temp_new_i32(); 10279 gen_load_fpr32(ctx, fp0, fs); 10280 gen_load_fpr32(ctx, fp1, ft); 10281 gen_helper_float_max_s(fp1, cpu_env, fp0, fp1); 10282 gen_store_fpr32(ctx, fp1, fd); 10283 tcg_temp_free_i32(fp1); 10284 tcg_temp_free_i32(fp0); 10285 } else { 10286 /* OPC_RSQRT1_S */ 10287 check_cp1_64bitmode(ctx); 10288 { 10289 TCGv_i32 fp0 = tcg_temp_new_i32(); 10290 10291 gen_load_fpr32(ctx, fp0, fs); 10292 gen_helper_float_rsqrt1_s(fp0, cpu_env, fp0); 10293 gen_store_fpr32(ctx, fp0, fd); 10294 tcg_temp_free_i32(fp0); 10295 } 10296 } 10297 break; 10298 case OPC_MAXA_S: /* OPC_RSQRT2_S */ 10299 if (ctx->insn_flags & ISA_MIPS_R6) { 10300 /* OPC_MAXA_S */ 10301 TCGv_i32 fp0 = tcg_temp_new_i32(); 10302 TCGv_i32 fp1 = tcg_temp_new_i32(); 10303 gen_load_fpr32(ctx, fp0, fs); 10304 gen_load_fpr32(ctx, fp1, ft); 10305 gen_helper_float_maxa_s(fp1, cpu_env, fp0, fp1); 10306 gen_store_fpr32(ctx, fp1, fd); 10307 tcg_temp_free_i32(fp1); 10308 tcg_temp_free_i32(fp0); 10309 } else { 10310 /* OPC_RSQRT2_S */ 10311 check_cp1_64bitmode(ctx); 10312 { 10313 TCGv_i32 fp0 = tcg_temp_new_i32(); 10314 TCGv_i32 fp1 = tcg_temp_new_i32(); 10315 10316 gen_load_fpr32(ctx, fp0, fs); 10317 gen_load_fpr32(ctx, fp1, ft); 10318 gen_helper_float_rsqrt2_s(fp0, cpu_env, fp0, fp1); 10319 tcg_temp_free_i32(fp1); 10320 gen_store_fpr32(ctx, fp0, fd); 10321 tcg_temp_free_i32(fp0); 10322 } 10323 } 10324 break; 10325 case OPC_CVT_D_S: 10326 check_cp1_registers(ctx, fd); 10327 { 10328 TCGv_i32 fp32 = tcg_temp_new_i32(); 10329 TCGv_i64 fp64 = tcg_temp_new_i64(); 10330 10331 gen_load_fpr32(ctx, fp32, fs); 10332 gen_helper_float_cvtd_s(fp64, cpu_env, fp32); 10333 tcg_temp_free_i32(fp32); 10334 gen_store_fpr64(ctx, fp64, fd); 10335 tcg_temp_free_i64(fp64); 10336 } 10337 break; 10338 case OPC_CVT_W_S: 10339 { 10340 TCGv_i32 fp0 = tcg_temp_new_i32(); 10341 10342 gen_load_fpr32(ctx, fp0, fs); 10343 if (ctx->nan2008) { 10344 gen_helper_float_cvt_2008_w_s(fp0, cpu_env, fp0); 10345 } else { 10346 gen_helper_float_cvt_w_s(fp0, cpu_env, fp0); 10347 } 10348 gen_store_fpr32(ctx, fp0, fd); 10349 tcg_temp_free_i32(fp0); 10350 } 10351 break; 10352 case OPC_CVT_L_S: 10353 check_cp1_64bitmode(ctx); 10354 { 10355 TCGv_i32 fp32 = tcg_temp_new_i32(); 10356 TCGv_i64 fp64 = tcg_temp_new_i64(); 10357 10358 gen_load_fpr32(ctx, fp32, fs); 10359 if (ctx->nan2008) { 10360 gen_helper_float_cvt_2008_l_s(fp64, cpu_env, fp32); 10361 } else { 10362 gen_helper_float_cvt_l_s(fp64, cpu_env, fp32); 10363 } 10364 tcg_temp_free_i32(fp32); 10365 gen_store_fpr64(ctx, fp64, fd); 10366 tcg_temp_free_i64(fp64); 10367 } 10368 break; 10369 case OPC_CVT_PS_S: 10370 check_ps(ctx); 10371 { 10372 TCGv_i64 fp64 = tcg_temp_new_i64(); 10373 TCGv_i32 fp32_0 = tcg_temp_new_i32(); 10374 TCGv_i32 fp32_1 = tcg_temp_new_i32(); 10375 10376 gen_load_fpr32(ctx, fp32_0, fs); 10377 gen_load_fpr32(ctx, fp32_1, ft); 10378 tcg_gen_concat_i32_i64(fp64, fp32_1, fp32_0); 10379 tcg_temp_free_i32(fp32_1); 10380 tcg_temp_free_i32(fp32_0); 10381 gen_store_fpr64(ctx, fp64, fd); 10382 tcg_temp_free_i64(fp64); 10383 } 10384 break; 10385 case OPC_CMP_F_S: 10386 case OPC_CMP_UN_S: 10387 case OPC_CMP_EQ_S: 10388 case OPC_CMP_UEQ_S: 10389 case OPC_CMP_OLT_S: 10390 case OPC_CMP_ULT_S: 10391 case OPC_CMP_OLE_S: 10392 case OPC_CMP_ULE_S: 10393 case OPC_CMP_SF_S: 10394 case OPC_CMP_NGLE_S: 10395 case OPC_CMP_SEQ_S: 10396 case OPC_CMP_NGL_S: 10397 case OPC_CMP_LT_S: 10398 case OPC_CMP_NGE_S: 10399 case OPC_CMP_LE_S: 10400 case OPC_CMP_NGT_S: 10401 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10402 if (ctx->opcode & (1 << 6)) { 10403 gen_cmpabs_s(ctx, func - 48, ft, fs, cc); 10404 } else { 10405 gen_cmp_s(ctx, func - 48, ft, fs, cc); 10406 } 10407 break; 10408 case OPC_ADD_D: 10409 check_cp1_registers(ctx, fs | ft | fd); 10410 { 10411 TCGv_i64 fp0 = tcg_temp_new_i64(); 10412 TCGv_i64 fp1 = tcg_temp_new_i64(); 10413 10414 gen_load_fpr64(ctx, fp0, fs); 10415 gen_load_fpr64(ctx, fp1, ft); 10416 gen_helper_float_add_d(fp0, cpu_env, fp0, fp1); 10417 tcg_temp_free_i64(fp1); 10418 gen_store_fpr64(ctx, fp0, fd); 10419 tcg_temp_free_i64(fp0); 10420 } 10421 break; 10422 case OPC_SUB_D: 10423 check_cp1_registers(ctx, fs | ft | fd); 10424 { 10425 TCGv_i64 fp0 = tcg_temp_new_i64(); 10426 TCGv_i64 fp1 = tcg_temp_new_i64(); 10427 10428 gen_load_fpr64(ctx, fp0, fs); 10429 gen_load_fpr64(ctx, fp1, ft); 10430 gen_helper_float_sub_d(fp0, cpu_env, fp0, fp1); 10431 tcg_temp_free_i64(fp1); 10432 gen_store_fpr64(ctx, fp0, fd); 10433 tcg_temp_free_i64(fp0); 10434 } 10435 break; 10436 case OPC_MUL_D: 10437 check_cp1_registers(ctx, fs | ft | fd); 10438 { 10439 TCGv_i64 fp0 = tcg_temp_new_i64(); 10440 TCGv_i64 fp1 = tcg_temp_new_i64(); 10441 10442 gen_load_fpr64(ctx, fp0, fs); 10443 gen_load_fpr64(ctx, fp1, ft); 10444 gen_helper_float_mul_d(fp0, cpu_env, fp0, fp1); 10445 tcg_temp_free_i64(fp1); 10446 gen_store_fpr64(ctx, fp0, fd); 10447 tcg_temp_free_i64(fp0); 10448 } 10449 break; 10450 case OPC_DIV_D: 10451 check_cp1_registers(ctx, fs | ft | fd); 10452 { 10453 TCGv_i64 fp0 = tcg_temp_new_i64(); 10454 TCGv_i64 fp1 = tcg_temp_new_i64(); 10455 10456 gen_load_fpr64(ctx, fp0, fs); 10457 gen_load_fpr64(ctx, fp1, ft); 10458 gen_helper_float_div_d(fp0, cpu_env, fp0, fp1); 10459 tcg_temp_free_i64(fp1); 10460 gen_store_fpr64(ctx, fp0, fd); 10461 tcg_temp_free_i64(fp0); 10462 } 10463 break; 10464 case OPC_SQRT_D: 10465 check_cp1_registers(ctx, fs | fd); 10466 { 10467 TCGv_i64 fp0 = tcg_temp_new_i64(); 10468 10469 gen_load_fpr64(ctx, fp0, fs); 10470 gen_helper_float_sqrt_d(fp0, cpu_env, fp0); 10471 gen_store_fpr64(ctx, fp0, fd); 10472 tcg_temp_free_i64(fp0); 10473 } 10474 break; 10475 case OPC_ABS_D: 10476 check_cp1_registers(ctx, fs | fd); 10477 { 10478 TCGv_i64 fp0 = tcg_temp_new_i64(); 10479 10480 gen_load_fpr64(ctx, fp0, fs); 10481 if (ctx->abs2008) { 10482 tcg_gen_andi_i64(fp0, fp0, 0x7fffffffffffffffULL); 10483 } else { 10484 gen_helper_float_abs_d(fp0, fp0); 10485 } 10486 gen_store_fpr64(ctx, fp0, fd); 10487 tcg_temp_free_i64(fp0); 10488 } 10489 break; 10490 case OPC_MOV_D: 10491 check_cp1_registers(ctx, fs | fd); 10492 { 10493 TCGv_i64 fp0 = tcg_temp_new_i64(); 10494 10495 gen_load_fpr64(ctx, fp0, fs); 10496 gen_store_fpr64(ctx, fp0, fd); 10497 tcg_temp_free_i64(fp0); 10498 } 10499 break; 10500 case OPC_NEG_D: 10501 check_cp1_registers(ctx, fs | fd); 10502 { 10503 TCGv_i64 fp0 = tcg_temp_new_i64(); 10504 10505 gen_load_fpr64(ctx, fp0, fs); 10506 if (ctx->abs2008) { 10507 tcg_gen_xori_i64(fp0, fp0, 1ULL << 63); 10508 } else { 10509 gen_helper_float_chs_d(fp0, fp0); 10510 } 10511 gen_store_fpr64(ctx, fp0, fd); 10512 tcg_temp_free_i64(fp0); 10513 } 10514 break; 10515 case OPC_ROUND_L_D: 10516 check_cp1_64bitmode(ctx); 10517 { 10518 TCGv_i64 fp0 = tcg_temp_new_i64(); 10519 10520 gen_load_fpr64(ctx, fp0, fs); 10521 if (ctx->nan2008) { 10522 gen_helper_float_round_2008_l_d(fp0, cpu_env, fp0); 10523 } else { 10524 gen_helper_float_round_l_d(fp0, cpu_env, fp0); 10525 } 10526 gen_store_fpr64(ctx, fp0, fd); 10527 tcg_temp_free_i64(fp0); 10528 } 10529 break; 10530 case OPC_TRUNC_L_D: 10531 check_cp1_64bitmode(ctx); 10532 { 10533 TCGv_i64 fp0 = tcg_temp_new_i64(); 10534 10535 gen_load_fpr64(ctx, fp0, fs); 10536 if (ctx->nan2008) { 10537 gen_helper_float_trunc_2008_l_d(fp0, cpu_env, fp0); 10538 } else { 10539 gen_helper_float_trunc_l_d(fp0, cpu_env, fp0); 10540 } 10541 gen_store_fpr64(ctx, fp0, fd); 10542 tcg_temp_free_i64(fp0); 10543 } 10544 break; 10545 case OPC_CEIL_L_D: 10546 check_cp1_64bitmode(ctx); 10547 { 10548 TCGv_i64 fp0 = tcg_temp_new_i64(); 10549 10550 gen_load_fpr64(ctx, fp0, fs); 10551 if (ctx->nan2008) { 10552 gen_helper_float_ceil_2008_l_d(fp0, cpu_env, fp0); 10553 } else { 10554 gen_helper_float_ceil_l_d(fp0, cpu_env, fp0); 10555 } 10556 gen_store_fpr64(ctx, fp0, fd); 10557 tcg_temp_free_i64(fp0); 10558 } 10559 break; 10560 case OPC_FLOOR_L_D: 10561 check_cp1_64bitmode(ctx); 10562 { 10563 TCGv_i64 fp0 = tcg_temp_new_i64(); 10564 10565 gen_load_fpr64(ctx, fp0, fs); 10566 if (ctx->nan2008) { 10567 gen_helper_float_floor_2008_l_d(fp0, cpu_env, fp0); 10568 } else { 10569 gen_helper_float_floor_l_d(fp0, cpu_env, fp0); 10570 } 10571 gen_store_fpr64(ctx, fp0, fd); 10572 tcg_temp_free_i64(fp0); 10573 } 10574 break; 10575 case OPC_ROUND_W_D: 10576 check_cp1_registers(ctx, fs); 10577 { 10578 TCGv_i32 fp32 = tcg_temp_new_i32(); 10579 TCGv_i64 fp64 = tcg_temp_new_i64(); 10580 10581 gen_load_fpr64(ctx, fp64, fs); 10582 if (ctx->nan2008) { 10583 gen_helper_float_round_2008_w_d(fp32, cpu_env, fp64); 10584 } else { 10585 gen_helper_float_round_w_d(fp32, cpu_env, fp64); 10586 } 10587 tcg_temp_free_i64(fp64); 10588 gen_store_fpr32(ctx, fp32, fd); 10589 tcg_temp_free_i32(fp32); 10590 } 10591 break; 10592 case OPC_TRUNC_W_D: 10593 check_cp1_registers(ctx, fs); 10594 { 10595 TCGv_i32 fp32 = tcg_temp_new_i32(); 10596 TCGv_i64 fp64 = tcg_temp_new_i64(); 10597 10598 gen_load_fpr64(ctx, fp64, fs); 10599 if (ctx->nan2008) { 10600 gen_helper_float_trunc_2008_w_d(fp32, cpu_env, fp64); 10601 } else { 10602 gen_helper_float_trunc_w_d(fp32, cpu_env, fp64); 10603 } 10604 tcg_temp_free_i64(fp64); 10605 gen_store_fpr32(ctx, fp32, fd); 10606 tcg_temp_free_i32(fp32); 10607 } 10608 break; 10609 case OPC_CEIL_W_D: 10610 check_cp1_registers(ctx, fs); 10611 { 10612 TCGv_i32 fp32 = tcg_temp_new_i32(); 10613 TCGv_i64 fp64 = tcg_temp_new_i64(); 10614 10615 gen_load_fpr64(ctx, fp64, fs); 10616 if (ctx->nan2008) { 10617 gen_helper_float_ceil_2008_w_d(fp32, cpu_env, fp64); 10618 } else { 10619 gen_helper_float_ceil_w_d(fp32, cpu_env, fp64); 10620 } 10621 tcg_temp_free_i64(fp64); 10622 gen_store_fpr32(ctx, fp32, fd); 10623 tcg_temp_free_i32(fp32); 10624 } 10625 break; 10626 case OPC_FLOOR_W_D: 10627 check_cp1_registers(ctx, fs); 10628 { 10629 TCGv_i32 fp32 = tcg_temp_new_i32(); 10630 TCGv_i64 fp64 = tcg_temp_new_i64(); 10631 10632 gen_load_fpr64(ctx, fp64, fs); 10633 if (ctx->nan2008) { 10634 gen_helper_float_floor_2008_w_d(fp32, cpu_env, fp64); 10635 } else { 10636 gen_helper_float_floor_w_d(fp32, cpu_env, fp64); 10637 } 10638 tcg_temp_free_i64(fp64); 10639 gen_store_fpr32(ctx, fp32, fd); 10640 tcg_temp_free_i32(fp32); 10641 } 10642 break; 10643 case OPC_SEL_D: 10644 check_insn(ctx, ISA_MIPS_R6); 10645 gen_sel_d(ctx, op1, fd, ft, fs); 10646 break; 10647 case OPC_SELEQZ_D: 10648 check_insn(ctx, ISA_MIPS_R6); 10649 gen_sel_d(ctx, op1, fd, ft, fs); 10650 break; 10651 case OPC_SELNEZ_D: 10652 check_insn(ctx, ISA_MIPS_R6); 10653 gen_sel_d(ctx, op1, fd, ft, fs); 10654 break; 10655 case OPC_MOVCF_D: 10656 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10657 gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); 10658 break; 10659 case OPC_MOVZ_D: 10660 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10661 { 10662 TCGLabel *l1 = gen_new_label(); 10663 TCGv_i64 fp0; 10664 10665 if (ft != 0) { 10666 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); 10667 } 10668 fp0 = tcg_temp_new_i64(); 10669 gen_load_fpr64(ctx, fp0, fs); 10670 gen_store_fpr64(ctx, fp0, fd); 10671 tcg_temp_free_i64(fp0); 10672 gen_set_label(l1); 10673 } 10674 break; 10675 case OPC_MOVN_D: 10676 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10677 { 10678 TCGLabel *l1 = gen_new_label(); 10679 TCGv_i64 fp0; 10680 10681 if (ft != 0) { 10682 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); 10683 fp0 = tcg_temp_new_i64(); 10684 gen_load_fpr64(ctx, fp0, fs); 10685 gen_store_fpr64(ctx, fp0, fd); 10686 tcg_temp_free_i64(fp0); 10687 gen_set_label(l1); 10688 } 10689 } 10690 break; 10691 case OPC_RECIP_D: 10692 check_cp1_registers(ctx, fs | fd); 10693 { 10694 TCGv_i64 fp0 = tcg_temp_new_i64(); 10695 10696 gen_load_fpr64(ctx, fp0, fs); 10697 gen_helper_float_recip_d(fp0, cpu_env, fp0); 10698 gen_store_fpr64(ctx, fp0, fd); 10699 tcg_temp_free_i64(fp0); 10700 } 10701 break; 10702 case OPC_RSQRT_D: 10703 check_cp1_registers(ctx, fs | fd); 10704 { 10705 TCGv_i64 fp0 = tcg_temp_new_i64(); 10706 10707 gen_load_fpr64(ctx, fp0, fs); 10708 gen_helper_float_rsqrt_d(fp0, cpu_env, fp0); 10709 gen_store_fpr64(ctx, fp0, fd); 10710 tcg_temp_free_i64(fp0); 10711 } 10712 break; 10713 case OPC_MADDF_D: 10714 check_insn(ctx, ISA_MIPS_R6); 10715 { 10716 TCGv_i64 fp0 = tcg_temp_new_i64(); 10717 TCGv_i64 fp1 = tcg_temp_new_i64(); 10718 TCGv_i64 fp2 = tcg_temp_new_i64(); 10719 gen_load_fpr64(ctx, fp0, fs); 10720 gen_load_fpr64(ctx, fp1, ft); 10721 gen_load_fpr64(ctx, fp2, fd); 10722 gen_helper_float_maddf_d(fp2, cpu_env, fp0, fp1, fp2); 10723 gen_store_fpr64(ctx, fp2, fd); 10724 tcg_temp_free_i64(fp2); 10725 tcg_temp_free_i64(fp1); 10726 tcg_temp_free_i64(fp0); 10727 } 10728 break; 10729 case OPC_MSUBF_D: 10730 check_insn(ctx, ISA_MIPS_R6); 10731 { 10732 TCGv_i64 fp0 = tcg_temp_new_i64(); 10733 TCGv_i64 fp1 = tcg_temp_new_i64(); 10734 TCGv_i64 fp2 = tcg_temp_new_i64(); 10735 gen_load_fpr64(ctx, fp0, fs); 10736 gen_load_fpr64(ctx, fp1, ft); 10737 gen_load_fpr64(ctx, fp2, fd); 10738 gen_helper_float_msubf_d(fp2, cpu_env, fp0, fp1, fp2); 10739 gen_store_fpr64(ctx, fp2, fd); 10740 tcg_temp_free_i64(fp2); 10741 tcg_temp_free_i64(fp1); 10742 tcg_temp_free_i64(fp0); 10743 } 10744 break; 10745 case OPC_RINT_D: 10746 check_insn(ctx, ISA_MIPS_R6); 10747 { 10748 TCGv_i64 fp0 = tcg_temp_new_i64(); 10749 gen_load_fpr64(ctx, fp0, fs); 10750 gen_helper_float_rint_d(fp0, cpu_env, fp0); 10751 gen_store_fpr64(ctx, fp0, fd); 10752 tcg_temp_free_i64(fp0); 10753 } 10754 break; 10755 case OPC_CLASS_D: 10756 check_insn(ctx, ISA_MIPS_R6); 10757 { 10758 TCGv_i64 fp0 = tcg_temp_new_i64(); 10759 gen_load_fpr64(ctx, fp0, fs); 10760 gen_helper_float_class_d(fp0, cpu_env, fp0); 10761 gen_store_fpr64(ctx, fp0, fd); 10762 tcg_temp_free_i64(fp0); 10763 } 10764 break; 10765 case OPC_MIN_D: /* OPC_RECIP2_D */ 10766 if (ctx->insn_flags & ISA_MIPS_R6) { 10767 /* OPC_MIN_D */ 10768 TCGv_i64 fp0 = tcg_temp_new_i64(); 10769 TCGv_i64 fp1 = tcg_temp_new_i64(); 10770 gen_load_fpr64(ctx, fp0, fs); 10771 gen_load_fpr64(ctx, fp1, ft); 10772 gen_helper_float_min_d(fp1, cpu_env, fp0, fp1); 10773 gen_store_fpr64(ctx, fp1, fd); 10774 tcg_temp_free_i64(fp1); 10775 tcg_temp_free_i64(fp0); 10776 } else { 10777 /* OPC_RECIP2_D */ 10778 check_cp1_64bitmode(ctx); 10779 { 10780 TCGv_i64 fp0 = tcg_temp_new_i64(); 10781 TCGv_i64 fp1 = tcg_temp_new_i64(); 10782 10783 gen_load_fpr64(ctx, fp0, fs); 10784 gen_load_fpr64(ctx, fp1, ft); 10785 gen_helper_float_recip2_d(fp0, cpu_env, fp0, fp1); 10786 tcg_temp_free_i64(fp1); 10787 gen_store_fpr64(ctx, fp0, fd); 10788 tcg_temp_free_i64(fp0); 10789 } 10790 } 10791 break; 10792 case OPC_MINA_D: /* OPC_RECIP1_D */ 10793 if (ctx->insn_flags & ISA_MIPS_R6) { 10794 /* OPC_MINA_D */ 10795 TCGv_i64 fp0 = tcg_temp_new_i64(); 10796 TCGv_i64 fp1 = tcg_temp_new_i64(); 10797 gen_load_fpr64(ctx, fp0, fs); 10798 gen_load_fpr64(ctx, fp1, ft); 10799 gen_helper_float_mina_d(fp1, cpu_env, fp0, fp1); 10800 gen_store_fpr64(ctx, fp1, fd); 10801 tcg_temp_free_i64(fp1); 10802 tcg_temp_free_i64(fp0); 10803 } else { 10804 /* OPC_RECIP1_D */ 10805 check_cp1_64bitmode(ctx); 10806 { 10807 TCGv_i64 fp0 = tcg_temp_new_i64(); 10808 10809 gen_load_fpr64(ctx, fp0, fs); 10810 gen_helper_float_recip1_d(fp0, cpu_env, fp0); 10811 gen_store_fpr64(ctx, fp0, fd); 10812 tcg_temp_free_i64(fp0); 10813 } 10814 } 10815 break; 10816 case OPC_MAX_D: /* OPC_RSQRT1_D */ 10817 if (ctx->insn_flags & ISA_MIPS_R6) { 10818 /* OPC_MAX_D */ 10819 TCGv_i64 fp0 = tcg_temp_new_i64(); 10820 TCGv_i64 fp1 = tcg_temp_new_i64(); 10821 gen_load_fpr64(ctx, fp0, fs); 10822 gen_load_fpr64(ctx, fp1, ft); 10823 gen_helper_float_max_d(fp1, cpu_env, fp0, fp1); 10824 gen_store_fpr64(ctx, fp1, fd); 10825 tcg_temp_free_i64(fp1); 10826 tcg_temp_free_i64(fp0); 10827 } else { 10828 /* OPC_RSQRT1_D */ 10829 check_cp1_64bitmode(ctx); 10830 { 10831 TCGv_i64 fp0 = tcg_temp_new_i64(); 10832 10833 gen_load_fpr64(ctx, fp0, fs); 10834 gen_helper_float_rsqrt1_d(fp0, cpu_env, fp0); 10835 gen_store_fpr64(ctx, fp0, fd); 10836 tcg_temp_free_i64(fp0); 10837 } 10838 } 10839 break; 10840 case OPC_MAXA_D: /* OPC_RSQRT2_D */ 10841 if (ctx->insn_flags & ISA_MIPS_R6) { 10842 /* OPC_MAXA_D */ 10843 TCGv_i64 fp0 = tcg_temp_new_i64(); 10844 TCGv_i64 fp1 = tcg_temp_new_i64(); 10845 gen_load_fpr64(ctx, fp0, fs); 10846 gen_load_fpr64(ctx, fp1, ft); 10847 gen_helper_float_maxa_d(fp1, cpu_env, fp0, fp1); 10848 gen_store_fpr64(ctx, fp1, fd); 10849 tcg_temp_free_i64(fp1); 10850 tcg_temp_free_i64(fp0); 10851 } else { 10852 /* OPC_RSQRT2_D */ 10853 check_cp1_64bitmode(ctx); 10854 { 10855 TCGv_i64 fp0 = tcg_temp_new_i64(); 10856 TCGv_i64 fp1 = tcg_temp_new_i64(); 10857 10858 gen_load_fpr64(ctx, fp0, fs); 10859 gen_load_fpr64(ctx, fp1, ft); 10860 gen_helper_float_rsqrt2_d(fp0, cpu_env, fp0, fp1); 10861 tcg_temp_free_i64(fp1); 10862 gen_store_fpr64(ctx, fp0, fd); 10863 tcg_temp_free_i64(fp0); 10864 } 10865 } 10866 break; 10867 case OPC_CMP_F_D: 10868 case OPC_CMP_UN_D: 10869 case OPC_CMP_EQ_D: 10870 case OPC_CMP_UEQ_D: 10871 case OPC_CMP_OLT_D: 10872 case OPC_CMP_ULT_D: 10873 case OPC_CMP_OLE_D: 10874 case OPC_CMP_ULE_D: 10875 case OPC_CMP_SF_D: 10876 case OPC_CMP_NGLE_D: 10877 case OPC_CMP_SEQ_D: 10878 case OPC_CMP_NGL_D: 10879 case OPC_CMP_LT_D: 10880 case OPC_CMP_NGE_D: 10881 case OPC_CMP_LE_D: 10882 case OPC_CMP_NGT_D: 10883 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10884 if (ctx->opcode & (1 << 6)) { 10885 gen_cmpabs_d(ctx, func - 48, ft, fs, cc); 10886 } else { 10887 gen_cmp_d(ctx, func - 48, ft, fs, cc); 10888 } 10889 break; 10890 case OPC_CVT_S_D: 10891 check_cp1_registers(ctx, fs); 10892 { 10893 TCGv_i32 fp32 = tcg_temp_new_i32(); 10894 TCGv_i64 fp64 = tcg_temp_new_i64(); 10895 10896 gen_load_fpr64(ctx, fp64, fs); 10897 gen_helper_float_cvts_d(fp32, cpu_env, fp64); 10898 tcg_temp_free_i64(fp64); 10899 gen_store_fpr32(ctx, fp32, fd); 10900 tcg_temp_free_i32(fp32); 10901 } 10902 break; 10903 case OPC_CVT_W_D: 10904 check_cp1_registers(ctx, fs); 10905 { 10906 TCGv_i32 fp32 = tcg_temp_new_i32(); 10907 TCGv_i64 fp64 = tcg_temp_new_i64(); 10908 10909 gen_load_fpr64(ctx, fp64, fs); 10910 if (ctx->nan2008) { 10911 gen_helper_float_cvt_2008_w_d(fp32, cpu_env, fp64); 10912 } else { 10913 gen_helper_float_cvt_w_d(fp32, cpu_env, fp64); 10914 } 10915 tcg_temp_free_i64(fp64); 10916 gen_store_fpr32(ctx, fp32, fd); 10917 tcg_temp_free_i32(fp32); 10918 } 10919 break; 10920 case OPC_CVT_L_D: 10921 check_cp1_64bitmode(ctx); 10922 { 10923 TCGv_i64 fp0 = tcg_temp_new_i64(); 10924 10925 gen_load_fpr64(ctx, fp0, fs); 10926 if (ctx->nan2008) { 10927 gen_helper_float_cvt_2008_l_d(fp0, cpu_env, fp0); 10928 } else { 10929 gen_helper_float_cvt_l_d(fp0, cpu_env, fp0); 10930 } 10931 gen_store_fpr64(ctx, fp0, fd); 10932 tcg_temp_free_i64(fp0); 10933 } 10934 break; 10935 case OPC_CVT_S_W: 10936 { 10937 TCGv_i32 fp0 = tcg_temp_new_i32(); 10938 10939 gen_load_fpr32(ctx, fp0, fs); 10940 gen_helper_float_cvts_w(fp0, cpu_env, fp0); 10941 gen_store_fpr32(ctx, fp0, fd); 10942 tcg_temp_free_i32(fp0); 10943 } 10944 break; 10945 case OPC_CVT_D_W: 10946 check_cp1_registers(ctx, fd); 10947 { 10948 TCGv_i32 fp32 = tcg_temp_new_i32(); 10949 TCGv_i64 fp64 = tcg_temp_new_i64(); 10950 10951 gen_load_fpr32(ctx, fp32, fs); 10952 gen_helper_float_cvtd_w(fp64, cpu_env, fp32); 10953 tcg_temp_free_i32(fp32); 10954 gen_store_fpr64(ctx, fp64, fd); 10955 tcg_temp_free_i64(fp64); 10956 } 10957 break; 10958 case OPC_CVT_S_L: 10959 check_cp1_64bitmode(ctx); 10960 { 10961 TCGv_i32 fp32 = tcg_temp_new_i32(); 10962 TCGv_i64 fp64 = tcg_temp_new_i64(); 10963 10964 gen_load_fpr64(ctx, fp64, fs); 10965 gen_helper_float_cvts_l(fp32, cpu_env, fp64); 10966 tcg_temp_free_i64(fp64); 10967 gen_store_fpr32(ctx, fp32, fd); 10968 tcg_temp_free_i32(fp32); 10969 } 10970 break; 10971 case OPC_CVT_D_L: 10972 check_cp1_64bitmode(ctx); 10973 { 10974 TCGv_i64 fp0 = tcg_temp_new_i64(); 10975 10976 gen_load_fpr64(ctx, fp0, fs); 10977 gen_helper_float_cvtd_l(fp0, cpu_env, fp0); 10978 gen_store_fpr64(ctx, fp0, fd); 10979 tcg_temp_free_i64(fp0); 10980 } 10981 break; 10982 case OPC_CVT_PS_PW: 10983 check_ps(ctx); 10984 { 10985 TCGv_i64 fp0 = tcg_temp_new_i64(); 10986 10987 gen_load_fpr64(ctx, fp0, fs); 10988 gen_helper_float_cvtps_pw(fp0, cpu_env, fp0); 10989 gen_store_fpr64(ctx, fp0, fd); 10990 tcg_temp_free_i64(fp0); 10991 } 10992 break; 10993 case OPC_ADD_PS: 10994 check_ps(ctx); 10995 { 10996 TCGv_i64 fp0 = tcg_temp_new_i64(); 10997 TCGv_i64 fp1 = tcg_temp_new_i64(); 10998 10999 gen_load_fpr64(ctx, fp0, fs); 11000 gen_load_fpr64(ctx, fp1, ft); 11001 gen_helper_float_add_ps(fp0, cpu_env, fp0, fp1); 11002 tcg_temp_free_i64(fp1); 11003 gen_store_fpr64(ctx, fp0, fd); 11004 tcg_temp_free_i64(fp0); 11005 } 11006 break; 11007 case OPC_SUB_PS: 11008 check_ps(ctx); 11009 { 11010 TCGv_i64 fp0 = tcg_temp_new_i64(); 11011 TCGv_i64 fp1 = tcg_temp_new_i64(); 11012 11013 gen_load_fpr64(ctx, fp0, fs); 11014 gen_load_fpr64(ctx, fp1, ft); 11015 gen_helper_float_sub_ps(fp0, cpu_env, fp0, fp1); 11016 tcg_temp_free_i64(fp1); 11017 gen_store_fpr64(ctx, fp0, fd); 11018 tcg_temp_free_i64(fp0); 11019 } 11020 break; 11021 case OPC_MUL_PS: 11022 check_ps(ctx); 11023 { 11024 TCGv_i64 fp0 = tcg_temp_new_i64(); 11025 TCGv_i64 fp1 = tcg_temp_new_i64(); 11026 11027 gen_load_fpr64(ctx, fp0, fs); 11028 gen_load_fpr64(ctx, fp1, ft); 11029 gen_helper_float_mul_ps(fp0, cpu_env, fp0, fp1); 11030 tcg_temp_free_i64(fp1); 11031 gen_store_fpr64(ctx, fp0, fd); 11032 tcg_temp_free_i64(fp0); 11033 } 11034 break; 11035 case OPC_ABS_PS: 11036 check_ps(ctx); 11037 { 11038 TCGv_i64 fp0 = tcg_temp_new_i64(); 11039 11040 gen_load_fpr64(ctx, fp0, fs); 11041 gen_helper_float_abs_ps(fp0, fp0); 11042 gen_store_fpr64(ctx, fp0, fd); 11043 tcg_temp_free_i64(fp0); 11044 } 11045 break; 11046 case OPC_MOV_PS: 11047 check_ps(ctx); 11048 { 11049 TCGv_i64 fp0 = tcg_temp_new_i64(); 11050 11051 gen_load_fpr64(ctx, fp0, fs); 11052 gen_store_fpr64(ctx, fp0, fd); 11053 tcg_temp_free_i64(fp0); 11054 } 11055 break; 11056 case OPC_NEG_PS: 11057 check_ps(ctx); 11058 { 11059 TCGv_i64 fp0 = tcg_temp_new_i64(); 11060 11061 gen_load_fpr64(ctx, fp0, fs); 11062 gen_helper_float_chs_ps(fp0, fp0); 11063 gen_store_fpr64(ctx, fp0, fd); 11064 tcg_temp_free_i64(fp0); 11065 } 11066 break; 11067 case OPC_MOVCF_PS: 11068 check_ps(ctx); 11069 gen_movcf_ps(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); 11070 break; 11071 case OPC_MOVZ_PS: 11072 check_ps(ctx); 11073 { 11074 TCGLabel *l1 = gen_new_label(); 11075 TCGv_i64 fp0; 11076 11077 if (ft != 0) { 11078 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); 11079 } 11080 fp0 = tcg_temp_new_i64(); 11081 gen_load_fpr64(ctx, fp0, fs); 11082 gen_store_fpr64(ctx, fp0, fd); 11083 tcg_temp_free_i64(fp0); 11084 gen_set_label(l1); 11085 } 11086 break; 11087 case OPC_MOVN_PS: 11088 check_ps(ctx); 11089 { 11090 TCGLabel *l1 = gen_new_label(); 11091 TCGv_i64 fp0; 11092 11093 if (ft != 0) { 11094 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); 11095 fp0 = tcg_temp_new_i64(); 11096 gen_load_fpr64(ctx, fp0, fs); 11097 gen_store_fpr64(ctx, fp0, fd); 11098 tcg_temp_free_i64(fp0); 11099 gen_set_label(l1); 11100 } 11101 } 11102 break; 11103 case OPC_ADDR_PS: 11104 check_ps(ctx); 11105 { 11106 TCGv_i64 fp0 = tcg_temp_new_i64(); 11107 TCGv_i64 fp1 = tcg_temp_new_i64(); 11108 11109 gen_load_fpr64(ctx, fp0, ft); 11110 gen_load_fpr64(ctx, fp1, fs); 11111 gen_helper_float_addr_ps(fp0, cpu_env, fp0, fp1); 11112 tcg_temp_free_i64(fp1); 11113 gen_store_fpr64(ctx, fp0, fd); 11114 tcg_temp_free_i64(fp0); 11115 } 11116 break; 11117 case OPC_MULR_PS: 11118 check_ps(ctx); 11119 { 11120 TCGv_i64 fp0 = tcg_temp_new_i64(); 11121 TCGv_i64 fp1 = tcg_temp_new_i64(); 11122 11123 gen_load_fpr64(ctx, fp0, ft); 11124 gen_load_fpr64(ctx, fp1, fs); 11125 gen_helper_float_mulr_ps(fp0, cpu_env, fp0, fp1); 11126 tcg_temp_free_i64(fp1); 11127 gen_store_fpr64(ctx, fp0, fd); 11128 tcg_temp_free_i64(fp0); 11129 } 11130 break; 11131 case OPC_RECIP2_PS: 11132 check_ps(ctx); 11133 { 11134 TCGv_i64 fp0 = tcg_temp_new_i64(); 11135 TCGv_i64 fp1 = tcg_temp_new_i64(); 11136 11137 gen_load_fpr64(ctx, fp0, fs); 11138 gen_load_fpr64(ctx, fp1, ft); 11139 gen_helper_float_recip2_ps(fp0, cpu_env, fp0, fp1); 11140 tcg_temp_free_i64(fp1); 11141 gen_store_fpr64(ctx, fp0, fd); 11142 tcg_temp_free_i64(fp0); 11143 } 11144 break; 11145 case OPC_RECIP1_PS: 11146 check_ps(ctx); 11147 { 11148 TCGv_i64 fp0 = tcg_temp_new_i64(); 11149 11150 gen_load_fpr64(ctx, fp0, fs); 11151 gen_helper_float_recip1_ps(fp0, cpu_env, fp0); 11152 gen_store_fpr64(ctx, fp0, fd); 11153 tcg_temp_free_i64(fp0); 11154 } 11155 break; 11156 case OPC_RSQRT1_PS: 11157 check_ps(ctx); 11158 { 11159 TCGv_i64 fp0 = tcg_temp_new_i64(); 11160 11161 gen_load_fpr64(ctx, fp0, fs); 11162 gen_helper_float_rsqrt1_ps(fp0, cpu_env, fp0); 11163 gen_store_fpr64(ctx, fp0, fd); 11164 tcg_temp_free_i64(fp0); 11165 } 11166 break; 11167 case OPC_RSQRT2_PS: 11168 check_ps(ctx); 11169 { 11170 TCGv_i64 fp0 = tcg_temp_new_i64(); 11171 TCGv_i64 fp1 = tcg_temp_new_i64(); 11172 11173 gen_load_fpr64(ctx, fp0, fs); 11174 gen_load_fpr64(ctx, fp1, ft); 11175 gen_helper_float_rsqrt2_ps(fp0, cpu_env, fp0, fp1); 11176 tcg_temp_free_i64(fp1); 11177 gen_store_fpr64(ctx, fp0, fd); 11178 tcg_temp_free_i64(fp0); 11179 } 11180 break; 11181 case OPC_CVT_S_PU: 11182 check_cp1_64bitmode(ctx); 11183 { 11184 TCGv_i32 fp0 = tcg_temp_new_i32(); 11185 11186 gen_load_fpr32h(ctx, fp0, fs); 11187 gen_helper_float_cvts_pu(fp0, cpu_env, fp0); 11188 gen_store_fpr32(ctx, fp0, fd); 11189 tcg_temp_free_i32(fp0); 11190 } 11191 break; 11192 case OPC_CVT_PW_PS: 11193 check_ps(ctx); 11194 { 11195 TCGv_i64 fp0 = tcg_temp_new_i64(); 11196 11197 gen_load_fpr64(ctx, fp0, fs); 11198 gen_helper_float_cvtpw_ps(fp0, cpu_env, fp0); 11199 gen_store_fpr64(ctx, fp0, fd); 11200 tcg_temp_free_i64(fp0); 11201 } 11202 break; 11203 case OPC_CVT_S_PL: 11204 check_cp1_64bitmode(ctx); 11205 { 11206 TCGv_i32 fp0 = tcg_temp_new_i32(); 11207 11208 gen_load_fpr32(ctx, fp0, fs); 11209 gen_helper_float_cvts_pl(fp0, cpu_env, fp0); 11210 gen_store_fpr32(ctx, fp0, fd); 11211 tcg_temp_free_i32(fp0); 11212 } 11213 break; 11214 case OPC_PLL_PS: 11215 check_ps(ctx); 11216 { 11217 TCGv_i32 fp0 = tcg_temp_new_i32(); 11218 TCGv_i32 fp1 = tcg_temp_new_i32(); 11219 11220 gen_load_fpr32(ctx, fp0, fs); 11221 gen_load_fpr32(ctx, fp1, ft); 11222 gen_store_fpr32h(ctx, fp0, fd); 11223 gen_store_fpr32(ctx, fp1, fd); 11224 tcg_temp_free_i32(fp0); 11225 tcg_temp_free_i32(fp1); 11226 } 11227 break; 11228 case OPC_PLU_PS: 11229 check_ps(ctx); 11230 { 11231 TCGv_i32 fp0 = tcg_temp_new_i32(); 11232 TCGv_i32 fp1 = tcg_temp_new_i32(); 11233 11234 gen_load_fpr32(ctx, fp0, fs); 11235 gen_load_fpr32h(ctx, fp1, ft); 11236 gen_store_fpr32(ctx, fp1, fd); 11237 gen_store_fpr32h(ctx, fp0, fd); 11238 tcg_temp_free_i32(fp0); 11239 tcg_temp_free_i32(fp1); 11240 } 11241 break; 11242 case OPC_PUL_PS: 11243 check_ps(ctx); 11244 { 11245 TCGv_i32 fp0 = tcg_temp_new_i32(); 11246 TCGv_i32 fp1 = tcg_temp_new_i32(); 11247 11248 gen_load_fpr32h(ctx, fp0, fs); 11249 gen_load_fpr32(ctx, fp1, ft); 11250 gen_store_fpr32(ctx, fp1, fd); 11251 gen_store_fpr32h(ctx, fp0, fd); 11252 tcg_temp_free_i32(fp0); 11253 tcg_temp_free_i32(fp1); 11254 } 11255 break; 11256 case OPC_PUU_PS: 11257 check_ps(ctx); 11258 { 11259 TCGv_i32 fp0 = tcg_temp_new_i32(); 11260 TCGv_i32 fp1 = tcg_temp_new_i32(); 11261 11262 gen_load_fpr32h(ctx, fp0, fs); 11263 gen_load_fpr32h(ctx, fp1, ft); 11264 gen_store_fpr32(ctx, fp1, fd); 11265 gen_store_fpr32h(ctx, fp0, fd); 11266 tcg_temp_free_i32(fp0); 11267 tcg_temp_free_i32(fp1); 11268 } 11269 break; 11270 case OPC_CMP_F_PS: 11271 case OPC_CMP_UN_PS: 11272 case OPC_CMP_EQ_PS: 11273 case OPC_CMP_UEQ_PS: 11274 case OPC_CMP_OLT_PS: 11275 case OPC_CMP_ULT_PS: 11276 case OPC_CMP_OLE_PS: 11277 case OPC_CMP_ULE_PS: 11278 case OPC_CMP_SF_PS: 11279 case OPC_CMP_NGLE_PS: 11280 case OPC_CMP_SEQ_PS: 11281 case OPC_CMP_NGL_PS: 11282 case OPC_CMP_LT_PS: 11283 case OPC_CMP_NGE_PS: 11284 case OPC_CMP_LE_PS: 11285 case OPC_CMP_NGT_PS: 11286 if (ctx->opcode & (1 << 6)) { 11287 gen_cmpabs_ps(ctx, func - 48, ft, fs, cc); 11288 } else { 11289 gen_cmp_ps(ctx, func - 48, ft, fs, cc); 11290 } 11291 break; 11292 default: 11293 MIPS_INVAL("farith"); 11294 gen_reserved_instruction(ctx); 11295 return; 11296 } 11297 } 11298 11299 /* Coprocessor 3 (FPU) */ 11300 static void gen_flt3_ldst(DisasContext *ctx, uint32_t opc, 11301 int fd, int fs, int base, int index) 11302 { 11303 TCGv t0 = tcg_temp_new(); 11304 11305 if (base == 0) { 11306 gen_load_gpr(t0, index); 11307 } else if (index == 0) { 11308 gen_load_gpr(t0, base); 11309 } else { 11310 gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[index]); 11311 } 11312 /* 11313 * Don't do NOP if destination is zero: we must perform the actual 11314 * memory access. 11315 */ 11316 switch (opc) { 11317 case OPC_LWXC1: 11318 check_cop1x(ctx); 11319 { 11320 TCGv_i32 fp0 = tcg_temp_new_i32(); 11321 11322 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL); 11323 tcg_gen_trunc_tl_i32(fp0, t0); 11324 gen_store_fpr32(ctx, fp0, fd); 11325 tcg_temp_free_i32(fp0); 11326 } 11327 break; 11328 case OPC_LDXC1: 11329 check_cop1x(ctx); 11330 check_cp1_registers(ctx, fd); 11331 { 11332 TCGv_i64 fp0 = tcg_temp_new_i64(); 11333 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEQ); 11334 gen_store_fpr64(ctx, fp0, fd); 11335 tcg_temp_free_i64(fp0); 11336 } 11337 break; 11338 case OPC_LUXC1: 11339 check_cp1_64bitmode(ctx); 11340 tcg_gen_andi_tl(t0, t0, ~0x7); 11341 { 11342 TCGv_i64 fp0 = tcg_temp_new_i64(); 11343 11344 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEQ); 11345 gen_store_fpr64(ctx, fp0, fd); 11346 tcg_temp_free_i64(fp0); 11347 } 11348 break; 11349 case OPC_SWXC1: 11350 check_cop1x(ctx); 11351 { 11352 TCGv_i32 fp0 = tcg_temp_new_i32(); 11353 gen_load_fpr32(ctx, fp0, fs); 11354 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL); 11355 tcg_temp_free_i32(fp0); 11356 } 11357 break; 11358 case OPC_SDXC1: 11359 check_cop1x(ctx); 11360 check_cp1_registers(ctx, fs); 11361 { 11362 TCGv_i64 fp0 = tcg_temp_new_i64(); 11363 gen_load_fpr64(ctx, fp0, fs); 11364 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEQ); 11365 tcg_temp_free_i64(fp0); 11366 } 11367 break; 11368 case OPC_SUXC1: 11369 check_cp1_64bitmode(ctx); 11370 tcg_gen_andi_tl(t0, t0, ~0x7); 11371 { 11372 TCGv_i64 fp0 = tcg_temp_new_i64(); 11373 gen_load_fpr64(ctx, fp0, fs); 11374 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEQ); 11375 tcg_temp_free_i64(fp0); 11376 } 11377 break; 11378 } 11379 tcg_temp_free(t0); 11380 } 11381 11382 static void gen_flt3_arith(DisasContext *ctx, uint32_t opc, 11383 int fd, int fr, int fs, int ft) 11384 { 11385 switch (opc) { 11386 case OPC_ALNV_PS: 11387 check_ps(ctx); 11388 { 11389 TCGv t0 = tcg_temp_local_new(); 11390 TCGv_i32 fp = tcg_temp_new_i32(); 11391 TCGv_i32 fph = tcg_temp_new_i32(); 11392 TCGLabel *l1 = gen_new_label(); 11393 TCGLabel *l2 = gen_new_label(); 11394 11395 gen_load_gpr(t0, fr); 11396 tcg_gen_andi_tl(t0, t0, 0x7); 11397 11398 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); 11399 gen_load_fpr32(ctx, fp, fs); 11400 gen_load_fpr32h(ctx, fph, fs); 11401 gen_store_fpr32(ctx, fp, fd); 11402 gen_store_fpr32h(ctx, fph, fd); 11403 tcg_gen_br(l2); 11404 gen_set_label(l1); 11405 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2); 11406 tcg_temp_free(t0); 11407 if (cpu_is_bigendian(ctx)) { 11408 gen_load_fpr32(ctx, fp, fs); 11409 gen_load_fpr32h(ctx, fph, ft); 11410 gen_store_fpr32h(ctx, fp, fd); 11411 gen_store_fpr32(ctx, fph, fd); 11412 } else { 11413 gen_load_fpr32h(ctx, fph, fs); 11414 gen_load_fpr32(ctx, fp, ft); 11415 gen_store_fpr32(ctx, fph, fd); 11416 gen_store_fpr32h(ctx, fp, fd); 11417 } 11418 gen_set_label(l2); 11419 tcg_temp_free_i32(fp); 11420 tcg_temp_free_i32(fph); 11421 } 11422 break; 11423 case OPC_MADD_S: 11424 check_cop1x(ctx); 11425 { 11426 TCGv_i32 fp0 = tcg_temp_new_i32(); 11427 TCGv_i32 fp1 = tcg_temp_new_i32(); 11428 TCGv_i32 fp2 = tcg_temp_new_i32(); 11429 11430 gen_load_fpr32(ctx, fp0, fs); 11431 gen_load_fpr32(ctx, fp1, ft); 11432 gen_load_fpr32(ctx, fp2, fr); 11433 gen_helper_float_madd_s(fp2, cpu_env, fp0, fp1, fp2); 11434 tcg_temp_free_i32(fp0); 11435 tcg_temp_free_i32(fp1); 11436 gen_store_fpr32(ctx, fp2, fd); 11437 tcg_temp_free_i32(fp2); 11438 } 11439 break; 11440 case OPC_MADD_D: 11441 check_cop1x(ctx); 11442 check_cp1_registers(ctx, fd | fs | ft | fr); 11443 { 11444 TCGv_i64 fp0 = tcg_temp_new_i64(); 11445 TCGv_i64 fp1 = tcg_temp_new_i64(); 11446 TCGv_i64 fp2 = tcg_temp_new_i64(); 11447 11448 gen_load_fpr64(ctx, fp0, fs); 11449 gen_load_fpr64(ctx, fp1, ft); 11450 gen_load_fpr64(ctx, fp2, fr); 11451 gen_helper_float_madd_d(fp2, cpu_env, fp0, fp1, fp2); 11452 tcg_temp_free_i64(fp0); 11453 tcg_temp_free_i64(fp1); 11454 gen_store_fpr64(ctx, fp2, fd); 11455 tcg_temp_free_i64(fp2); 11456 } 11457 break; 11458 case OPC_MADD_PS: 11459 check_ps(ctx); 11460 { 11461 TCGv_i64 fp0 = tcg_temp_new_i64(); 11462 TCGv_i64 fp1 = tcg_temp_new_i64(); 11463 TCGv_i64 fp2 = tcg_temp_new_i64(); 11464 11465 gen_load_fpr64(ctx, fp0, fs); 11466 gen_load_fpr64(ctx, fp1, ft); 11467 gen_load_fpr64(ctx, fp2, fr); 11468 gen_helper_float_madd_ps(fp2, cpu_env, fp0, fp1, fp2); 11469 tcg_temp_free_i64(fp0); 11470 tcg_temp_free_i64(fp1); 11471 gen_store_fpr64(ctx, fp2, fd); 11472 tcg_temp_free_i64(fp2); 11473 } 11474 break; 11475 case OPC_MSUB_S: 11476 check_cop1x(ctx); 11477 { 11478 TCGv_i32 fp0 = tcg_temp_new_i32(); 11479 TCGv_i32 fp1 = tcg_temp_new_i32(); 11480 TCGv_i32 fp2 = tcg_temp_new_i32(); 11481 11482 gen_load_fpr32(ctx, fp0, fs); 11483 gen_load_fpr32(ctx, fp1, ft); 11484 gen_load_fpr32(ctx, fp2, fr); 11485 gen_helper_float_msub_s(fp2, cpu_env, fp0, fp1, fp2); 11486 tcg_temp_free_i32(fp0); 11487 tcg_temp_free_i32(fp1); 11488 gen_store_fpr32(ctx, fp2, fd); 11489 tcg_temp_free_i32(fp2); 11490 } 11491 break; 11492 case OPC_MSUB_D: 11493 check_cop1x(ctx); 11494 check_cp1_registers(ctx, fd | fs | ft | fr); 11495 { 11496 TCGv_i64 fp0 = tcg_temp_new_i64(); 11497 TCGv_i64 fp1 = tcg_temp_new_i64(); 11498 TCGv_i64 fp2 = tcg_temp_new_i64(); 11499 11500 gen_load_fpr64(ctx, fp0, fs); 11501 gen_load_fpr64(ctx, fp1, ft); 11502 gen_load_fpr64(ctx, fp2, fr); 11503 gen_helper_float_msub_d(fp2, cpu_env, fp0, fp1, fp2); 11504 tcg_temp_free_i64(fp0); 11505 tcg_temp_free_i64(fp1); 11506 gen_store_fpr64(ctx, fp2, fd); 11507 tcg_temp_free_i64(fp2); 11508 } 11509 break; 11510 case OPC_MSUB_PS: 11511 check_ps(ctx); 11512 { 11513 TCGv_i64 fp0 = tcg_temp_new_i64(); 11514 TCGv_i64 fp1 = tcg_temp_new_i64(); 11515 TCGv_i64 fp2 = tcg_temp_new_i64(); 11516 11517 gen_load_fpr64(ctx, fp0, fs); 11518 gen_load_fpr64(ctx, fp1, ft); 11519 gen_load_fpr64(ctx, fp2, fr); 11520 gen_helper_float_msub_ps(fp2, cpu_env, fp0, fp1, fp2); 11521 tcg_temp_free_i64(fp0); 11522 tcg_temp_free_i64(fp1); 11523 gen_store_fpr64(ctx, fp2, fd); 11524 tcg_temp_free_i64(fp2); 11525 } 11526 break; 11527 case OPC_NMADD_S: 11528 check_cop1x(ctx); 11529 { 11530 TCGv_i32 fp0 = tcg_temp_new_i32(); 11531 TCGv_i32 fp1 = tcg_temp_new_i32(); 11532 TCGv_i32 fp2 = tcg_temp_new_i32(); 11533 11534 gen_load_fpr32(ctx, fp0, fs); 11535 gen_load_fpr32(ctx, fp1, ft); 11536 gen_load_fpr32(ctx, fp2, fr); 11537 gen_helper_float_nmadd_s(fp2, cpu_env, fp0, fp1, fp2); 11538 tcg_temp_free_i32(fp0); 11539 tcg_temp_free_i32(fp1); 11540 gen_store_fpr32(ctx, fp2, fd); 11541 tcg_temp_free_i32(fp2); 11542 } 11543 break; 11544 case OPC_NMADD_D: 11545 check_cop1x(ctx); 11546 check_cp1_registers(ctx, fd | fs | ft | fr); 11547 { 11548 TCGv_i64 fp0 = tcg_temp_new_i64(); 11549 TCGv_i64 fp1 = tcg_temp_new_i64(); 11550 TCGv_i64 fp2 = tcg_temp_new_i64(); 11551 11552 gen_load_fpr64(ctx, fp0, fs); 11553 gen_load_fpr64(ctx, fp1, ft); 11554 gen_load_fpr64(ctx, fp2, fr); 11555 gen_helper_float_nmadd_d(fp2, cpu_env, fp0, fp1, fp2); 11556 tcg_temp_free_i64(fp0); 11557 tcg_temp_free_i64(fp1); 11558 gen_store_fpr64(ctx, fp2, fd); 11559 tcg_temp_free_i64(fp2); 11560 } 11561 break; 11562 case OPC_NMADD_PS: 11563 check_ps(ctx); 11564 { 11565 TCGv_i64 fp0 = tcg_temp_new_i64(); 11566 TCGv_i64 fp1 = tcg_temp_new_i64(); 11567 TCGv_i64 fp2 = tcg_temp_new_i64(); 11568 11569 gen_load_fpr64(ctx, fp0, fs); 11570 gen_load_fpr64(ctx, fp1, ft); 11571 gen_load_fpr64(ctx, fp2, fr); 11572 gen_helper_float_nmadd_ps(fp2, cpu_env, fp0, fp1, fp2); 11573 tcg_temp_free_i64(fp0); 11574 tcg_temp_free_i64(fp1); 11575 gen_store_fpr64(ctx, fp2, fd); 11576 tcg_temp_free_i64(fp2); 11577 } 11578 break; 11579 case OPC_NMSUB_S: 11580 check_cop1x(ctx); 11581 { 11582 TCGv_i32 fp0 = tcg_temp_new_i32(); 11583 TCGv_i32 fp1 = tcg_temp_new_i32(); 11584 TCGv_i32 fp2 = tcg_temp_new_i32(); 11585 11586 gen_load_fpr32(ctx, fp0, fs); 11587 gen_load_fpr32(ctx, fp1, ft); 11588 gen_load_fpr32(ctx, fp2, fr); 11589 gen_helper_float_nmsub_s(fp2, cpu_env, fp0, fp1, fp2); 11590 tcg_temp_free_i32(fp0); 11591 tcg_temp_free_i32(fp1); 11592 gen_store_fpr32(ctx, fp2, fd); 11593 tcg_temp_free_i32(fp2); 11594 } 11595 break; 11596 case OPC_NMSUB_D: 11597 check_cop1x(ctx); 11598 check_cp1_registers(ctx, fd | fs | ft | fr); 11599 { 11600 TCGv_i64 fp0 = tcg_temp_new_i64(); 11601 TCGv_i64 fp1 = tcg_temp_new_i64(); 11602 TCGv_i64 fp2 = tcg_temp_new_i64(); 11603 11604 gen_load_fpr64(ctx, fp0, fs); 11605 gen_load_fpr64(ctx, fp1, ft); 11606 gen_load_fpr64(ctx, fp2, fr); 11607 gen_helper_float_nmsub_d(fp2, cpu_env, fp0, fp1, fp2); 11608 tcg_temp_free_i64(fp0); 11609 tcg_temp_free_i64(fp1); 11610 gen_store_fpr64(ctx, fp2, fd); 11611 tcg_temp_free_i64(fp2); 11612 } 11613 break; 11614 case OPC_NMSUB_PS: 11615 check_ps(ctx); 11616 { 11617 TCGv_i64 fp0 = tcg_temp_new_i64(); 11618 TCGv_i64 fp1 = tcg_temp_new_i64(); 11619 TCGv_i64 fp2 = tcg_temp_new_i64(); 11620 11621 gen_load_fpr64(ctx, fp0, fs); 11622 gen_load_fpr64(ctx, fp1, ft); 11623 gen_load_fpr64(ctx, fp2, fr); 11624 gen_helper_float_nmsub_ps(fp2, cpu_env, fp0, fp1, fp2); 11625 tcg_temp_free_i64(fp0); 11626 tcg_temp_free_i64(fp1); 11627 gen_store_fpr64(ctx, fp2, fd); 11628 tcg_temp_free_i64(fp2); 11629 } 11630 break; 11631 default: 11632 MIPS_INVAL("flt3_arith"); 11633 gen_reserved_instruction(ctx); 11634 return; 11635 } 11636 } 11637 11638 void gen_rdhwr(DisasContext *ctx, int rt, int rd, int sel) 11639 { 11640 TCGv t0; 11641 11642 #if !defined(CONFIG_USER_ONLY) 11643 /* 11644 * The Linux kernel will emulate rdhwr if it's not supported natively. 11645 * Therefore only check the ISA in system mode. 11646 */ 11647 check_insn(ctx, ISA_MIPS_R2); 11648 #endif 11649 t0 = tcg_temp_new(); 11650 11651 switch (rd) { 11652 case 0: 11653 gen_helper_rdhwr_cpunum(t0, cpu_env); 11654 gen_store_gpr(t0, rt); 11655 break; 11656 case 1: 11657 gen_helper_rdhwr_synci_step(t0, cpu_env); 11658 gen_store_gpr(t0, rt); 11659 break; 11660 case 2: 11661 if (tb_cflags(ctx->base.tb) & CF_USE_ICOUNT) { 11662 gen_io_start(); 11663 } 11664 gen_helper_rdhwr_cc(t0, cpu_env); 11665 gen_store_gpr(t0, rt); 11666 /* 11667 * Break the TB to be able to take timer interrupts immediately 11668 * after reading count. DISAS_STOP isn't sufficient, we need to ensure 11669 * we break completely out of translated code. 11670 */ 11671 gen_save_pc(ctx->base.pc_next + 4); 11672 ctx->base.is_jmp = DISAS_EXIT; 11673 break; 11674 case 3: 11675 gen_helper_rdhwr_ccres(t0, cpu_env); 11676 gen_store_gpr(t0, rt); 11677 break; 11678 case 4: 11679 check_insn(ctx, ISA_MIPS_R6); 11680 if (sel != 0) { 11681 /* 11682 * Performance counter registers are not implemented other than 11683 * control register 0. 11684 */ 11685 generate_exception(ctx, EXCP_RI); 11686 } 11687 gen_helper_rdhwr_performance(t0, cpu_env); 11688 gen_store_gpr(t0, rt); 11689 break; 11690 case 5: 11691 check_insn(ctx, ISA_MIPS_R6); 11692 gen_helper_rdhwr_xnp(t0, cpu_env); 11693 gen_store_gpr(t0, rt); 11694 break; 11695 case 29: 11696 #if defined(CONFIG_USER_ONLY) 11697 tcg_gen_ld_tl(t0, cpu_env, 11698 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 11699 gen_store_gpr(t0, rt); 11700 break; 11701 #else 11702 if ((ctx->hflags & MIPS_HFLAG_CP0) || 11703 (ctx->hflags & MIPS_HFLAG_HWRENA_ULR)) { 11704 tcg_gen_ld_tl(t0, cpu_env, 11705 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 11706 gen_store_gpr(t0, rt); 11707 } else { 11708 gen_reserved_instruction(ctx); 11709 } 11710 break; 11711 #endif 11712 default: /* Invalid */ 11713 MIPS_INVAL("rdhwr"); 11714 gen_reserved_instruction(ctx); 11715 break; 11716 } 11717 tcg_temp_free(t0); 11718 } 11719 11720 static inline void clear_branch_hflags(DisasContext *ctx) 11721 { 11722 ctx->hflags &= ~MIPS_HFLAG_BMASK; 11723 if (ctx->base.is_jmp == DISAS_NEXT) { 11724 save_cpu_state(ctx, 0); 11725 } else { 11726 /* 11727 * It is not safe to save ctx->hflags as hflags may be changed 11728 * in execution time by the instruction in delay / forbidden slot. 11729 */ 11730 tcg_gen_andi_i32(hflags, hflags, ~MIPS_HFLAG_BMASK); 11731 } 11732 } 11733 11734 static void gen_branch(DisasContext *ctx, int insn_bytes) 11735 { 11736 if (ctx->hflags & MIPS_HFLAG_BMASK) { 11737 int proc_hflags = ctx->hflags & MIPS_HFLAG_BMASK; 11738 /* Branches completion */ 11739 clear_branch_hflags(ctx); 11740 ctx->base.is_jmp = DISAS_NORETURN; 11741 /* FIXME: Need to clear can_do_io. */ 11742 switch (proc_hflags & MIPS_HFLAG_BMASK_BASE) { 11743 case MIPS_HFLAG_FBNSLOT: 11744 gen_goto_tb(ctx, 0, ctx->base.pc_next + insn_bytes); 11745 break; 11746 case MIPS_HFLAG_B: 11747 /* unconditional branch */ 11748 if (proc_hflags & MIPS_HFLAG_BX) { 11749 tcg_gen_xori_i32(hflags, hflags, MIPS_HFLAG_M16); 11750 } 11751 gen_goto_tb(ctx, 0, ctx->btarget); 11752 break; 11753 case MIPS_HFLAG_BL: 11754 /* blikely taken case */ 11755 gen_goto_tb(ctx, 0, ctx->btarget); 11756 break; 11757 case MIPS_HFLAG_BC: 11758 /* Conditional branch */ 11759 { 11760 TCGLabel *l1 = gen_new_label(); 11761 11762 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1); 11763 gen_goto_tb(ctx, 1, ctx->base.pc_next + insn_bytes); 11764 gen_set_label(l1); 11765 gen_goto_tb(ctx, 0, ctx->btarget); 11766 } 11767 break; 11768 case MIPS_HFLAG_BR: 11769 /* unconditional branch to register */ 11770 if (ctx->insn_flags & (ASE_MIPS16 | ASE_MICROMIPS)) { 11771 TCGv t0 = tcg_temp_new(); 11772 TCGv_i32 t1 = tcg_temp_new_i32(); 11773 11774 tcg_gen_andi_tl(t0, btarget, 0x1); 11775 tcg_gen_trunc_tl_i32(t1, t0); 11776 tcg_temp_free(t0); 11777 tcg_gen_andi_i32(hflags, hflags, ~(uint32_t)MIPS_HFLAG_M16); 11778 tcg_gen_shli_i32(t1, t1, MIPS_HFLAG_M16_SHIFT); 11779 tcg_gen_or_i32(hflags, hflags, t1); 11780 tcg_temp_free_i32(t1); 11781 11782 tcg_gen_andi_tl(cpu_PC, btarget, ~(target_ulong)0x1); 11783 } else { 11784 tcg_gen_mov_tl(cpu_PC, btarget); 11785 } 11786 tcg_gen_lookup_and_goto_ptr(); 11787 break; 11788 default: 11789 LOG_DISAS("unknown branch 0x%x\n", proc_hflags); 11790 gen_reserved_instruction(ctx); 11791 } 11792 } 11793 } 11794 11795 /* Compact Branches */ 11796 static void gen_compute_compact_branch(DisasContext *ctx, uint32_t opc, 11797 int rs, int rt, int32_t offset) 11798 { 11799 int bcond_compute = 0; 11800 TCGv t0 = tcg_temp_new(); 11801 TCGv t1 = tcg_temp_new(); 11802 int m16_lowbit = (ctx->hflags & MIPS_HFLAG_M16) != 0; 11803 11804 if (ctx->hflags & MIPS_HFLAG_BMASK) { 11805 #ifdef MIPS_DEBUG_DISAS 11806 LOG_DISAS("Branch in delay / forbidden slot at PC 0x" TARGET_FMT_lx 11807 "\n", ctx->base.pc_next); 11808 #endif 11809 gen_reserved_instruction(ctx); 11810 goto out; 11811 } 11812 11813 /* Load needed operands and calculate btarget */ 11814 switch (opc) { 11815 /* compact branch */ 11816 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC */ 11817 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */ 11818 gen_load_gpr(t0, rs); 11819 gen_load_gpr(t1, rt); 11820 bcond_compute = 1; 11821 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11822 if (rs <= rt && rs == 0) { 11823 /* OPC_BEQZALC, OPC_BNEZALC */ 11824 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit); 11825 } 11826 break; 11827 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC */ 11828 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC */ 11829 gen_load_gpr(t0, rs); 11830 gen_load_gpr(t1, rt); 11831 bcond_compute = 1; 11832 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11833 break; 11834 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC */ 11835 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC */ 11836 if (rs == 0 || rs == rt) { 11837 /* OPC_BLEZALC, OPC_BGEZALC */ 11838 /* OPC_BGTZALC, OPC_BLTZALC */ 11839 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit); 11840 } 11841 gen_load_gpr(t0, rs); 11842 gen_load_gpr(t1, rt); 11843 bcond_compute = 1; 11844 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11845 break; 11846 case OPC_BC: 11847 case OPC_BALC: 11848 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11849 break; 11850 case OPC_BEQZC: 11851 case OPC_BNEZC: 11852 if (rs != 0) { 11853 /* OPC_BEQZC, OPC_BNEZC */ 11854 gen_load_gpr(t0, rs); 11855 bcond_compute = 1; 11856 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11857 } else { 11858 /* OPC_JIC, OPC_JIALC */ 11859 TCGv tbase = tcg_temp_new(); 11860 TCGv toffset = tcg_constant_tl(offset); 11861 11862 gen_load_gpr(tbase, rt); 11863 gen_op_addr_add(ctx, btarget, tbase, toffset); 11864 tcg_temp_free(tbase); 11865 } 11866 break; 11867 default: 11868 MIPS_INVAL("Compact branch/jump"); 11869 gen_reserved_instruction(ctx); 11870 goto out; 11871 } 11872 11873 if (bcond_compute == 0) { 11874 /* Unconditional compact branch */ 11875 switch (opc) { 11876 case OPC_JIALC: 11877 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit); 11878 /* Fallthrough */ 11879 case OPC_JIC: 11880 ctx->hflags |= MIPS_HFLAG_BR; 11881 break; 11882 case OPC_BALC: 11883 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit); 11884 /* Fallthrough */ 11885 case OPC_BC: 11886 ctx->hflags |= MIPS_HFLAG_B; 11887 break; 11888 default: 11889 MIPS_INVAL("Compact branch/jump"); 11890 gen_reserved_instruction(ctx); 11891 goto out; 11892 } 11893 11894 /* Generating branch here as compact branches don't have delay slot */ 11895 gen_branch(ctx, 4); 11896 } else { 11897 /* Conditional compact branch */ 11898 TCGLabel *fs = gen_new_label(); 11899 save_cpu_state(ctx, 0); 11900 11901 switch (opc) { 11902 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC */ 11903 if (rs == 0 && rt != 0) { 11904 /* OPC_BLEZALC */ 11905 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LE), t1, 0, fs); 11906 } else if (rs != 0 && rt != 0 && rs == rt) { 11907 /* OPC_BGEZALC */ 11908 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GE), t1, 0, fs); 11909 } else { 11910 /* OPC_BGEUC */ 11911 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_GEU), t0, t1, fs); 11912 } 11913 break; 11914 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC */ 11915 if (rs == 0 && rt != 0) { 11916 /* OPC_BGTZALC */ 11917 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GT), t1, 0, fs); 11918 } else if (rs != 0 && rt != 0 && rs == rt) { 11919 /* OPC_BLTZALC */ 11920 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LT), t1, 0, fs); 11921 } else { 11922 /* OPC_BLTUC */ 11923 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_LTU), t0, t1, fs); 11924 } 11925 break; 11926 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC */ 11927 if (rs == 0 && rt != 0) { 11928 /* OPC_BLEZC */ 11929 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LE), t1, 0, fs); 11930 } else if (rs != 0 && rt != 0 && rs == rt) { 11931 /* OPC_BGEZC */ 11932 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GE), t1, 0, fs); 11933 } else { 11934 /* OPC_BGEC */ 11935 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_GE), t0, t1, fs); 11936 } 11937 break; 11938 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC */ 11939 if (rs == 0 && rt != 0) { 11940 /* OPC_BGTZC */ 11941 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GT), t1, 0, fs); 11942 } else if (rs != 0 && rt != 0 && rs == rt) { 11943 /* OPC_BLTZC */ 11944 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LT), t1, 0, fs); 11945 } else { 11946 /* OPC_BLTC */ 11947 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_LT), t0, t1, fs); 11948 } 11949 break; 11950 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC */ 11951 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */ 11952 if (rs >= rt) { 11953 /* OPC_BOVC, OPC_BNVC */ 11954 TCGv t2 = tcg_temp_new(); 11955 TCGv t3 = tcg_temp_new(); 11956 TCGv t4 = tcg_temp_new(); 11957 TCGv input_overflow = tcg_temp_new(); 11958 11959 gen_load_gpr(t0, rs); 11960 gen_load_gpr(t1, rt); 11961 tcg_gen_ext32s_tl(t2, t0); 11962 tcg_gen_setcond_tl(TCG_COND_NE, input_overflow, t2, t0); 11963 tcg_gen_ext32s_tl(t3, t1); 11964 tcg_gen_setcond_tl(TCG_COND_NE, t4, t3, t1); 11965 tcg_gen_or_tl(input_overflow, input_overflow, t4); 11966 11967 tcg_gen_add_tl(t4, t2, t3); 11968 tcg_gen_ext32s_tl(t4, t4); 11969 tcg_gen_xor_tl(t2, t2, t3); 11970 tcg_gen_xor_tl(t3, t4, t3); 11971 tcg_gen_andc_tl(t2, t3, t2); 11972 tcg_gen_setcondi_tl(TCG_COND_LT, t4, t2, 0); 11973 tcg_gen_or_tl(t4, t4, input_overflow); 11974 if (opc == OPC_BOVC) { 11975 /* OPC_BOVC */ 11976 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t4, 0, fs); 11977 } else { 11978 /* OPC_BNVC */ 11979 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t4, 0, fs); 11980 } 11981 tcg_temp_free(input_overflow); 11982 tcg_temp_free(t4); 11983 tcg_temp_free(t3); 11984 tcg_temp_free(t2); 11985 } else if (rs < rt && rs == 0) { 11986 /* OPC_BEQZALC, OPC_BNEZALC */ 11987 if (opc == OPC_BEQZALC) { 11988 /* OPC_BEQZALC */ 11989 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t1, 0, fs); 11990 } else { 11991 /* OPC_BNEZALC */ 11992 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t1, 0, fs); 11993 } 11994 } else { 11995 /* OPC_BEQC, OPC_BNEC */ 11996 if (opc == OPC_BEQC) { 11997 /* OPC_BEQC */ 11998 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_EQ), t0, t1, fs); 11999 } else { 12000 /* OPC_BNEC */ 12001 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_NE), t0, t1, fs); 12002 } 12003 } 12004 break; 12005 case OPC_BEQZC: 12006 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t0, 0, fs); 12007 break; 12008 case OPC_BNEZC: 12009 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t0, 0, fs); 12010 break; 12011 default: 12012 MIPS_INVAL("Compact conditional branch/jump"); 12013 gen_reserved_instruction(ctx); 12014 goto out; 12015 } 12016 12017 /* Generating branch here as compact branches don't have delay slot */ 12018 gen_goto_tb(ctx, 1, ctx->btarget); 12019 gen_set_label(fs); 12020 12021 ctx->hflags |= MIPS_HFLAG_FBNSLOT; 12022 } 12023 12024 out: 12025 tcg_temp_free(t0); 12026 tcg_temp_free(t1); 12027 } 12028 12029 void gen_addiupc(DisasContext *ctx, int rx, int imm, 12030 int is_64_bit, int extended) 12031 { 12032 TCGv t0; 12033 12034 if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) { 12035 gen_reserved_instruction(ctx); 12036 return; 12037 } 12038 12039 t0 = tcg_temp_new(); 12040 12041 tcg_gen_movi_tl(t0, pc_relative_pc(ctx)); 12042 tcg_gen_addi_tl(cpu_gpr[rx], t0, imm); 12043 if (!is_64_bit) { 12044 tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]); 12045 } 12046 12047 tcg_temp_free(t0); 12048 } 12049 12050 static void gen_cache_operation(DisasContext *ctx, uint32_t op, int base, 12051 int16_t offset) 12052 { 12053 TCGv_i32 t0 = tcg_const_i32(op); 12054 TCGv t1 = tcg_temp_new(); 12055 gen_base_offset_addr(ctx, t1, base, offset); 12056 gen_helper_cache(cpu_env, t1, t0); 12057 tcg_temp_free(t1); 12058 tcg_temp_free_i32(t0); 12059 } 12060 12061 static inline bool is_uhi(int sdbbp_code) 12062 { 12063 #ifdef CONFIG_USER_ONLY 12064 return false; 12065 #else 12066 return semihosting_enabled() && sdbbp_code == 1; 12067 #endif 12068 } 12069 12070 #ifdef CONFIG_USER_ONLY 12071 /* The above should dead-code away any calls to this..*/ 12072 static inline void gen_helper_do_semihosting(void *env) 12073 { 12074 g_assert_not_reached(); 12075 } 12076 #endif 12077 12078 void gen_ldxs(DisasContext *ctx, int base, int index, int rd) 12079 { 12080 TCGv t0 = tcg_temp_new(); 12081 TCGv t1 = tcg_temp_new(); 12082 12083 gen_load_gpr(t0, base); 12084 12085 if (index != 0) { 12086 gen_load_gpr(t1, index); 12087 tcg_gen_shli_tl(t1, t1, 2); 12088 gen_op_addr_add(ctx, t0, t1, t0); 12089 } 12090 12091 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TESL); 12092 gen_store_gpr(t1, rd); 12093 12094 tcg_temp_free(t0); 12095 tcg_temp_free(t1); 12096 } 12097 12098 static void gen_sync(int stype) 12099 { 12100 TCGBar tcg_mo = TCG_BAR_SC; 12101 12102 switch (stype) { 12103 case 0x4: /* SYNC_WMB */ 12104 tcg_mo |= TCG_MO_ST_ST; 12105 break; 12106 case 0x10: /* SYNC_MB */ 12107 tcg_mo |= TCG_MO_ALL; 12108 break; 12109 case 0x11: /* SYNC_ACQUIRE */ 12110 tcg_mo |= TCG_MO_LD_LD | TCG_MO_LD_ST; 12111 break; 12112 case 0x12: /* SYNC_RELEASE */ 12113 tcg_mo |= TCG_MO_ST_ST | TCG_MO_LD_ST; 12114 break; 12115 case 0x13: /* SYNC_RMB */ 12116 tcg_mo |= TCG_MO_LD_LD; 12117 break; 12118 default: 12119 tcg_mo |= TCG_MO_ALL; 12120 break; 12121 } 12122 12123 tcg_gen_mb(tcg_mo); 12124 } 12125 12126 /* ISA extensions (ASEs) */ 12127 12128 /* MIPS16 extension to MIPS32 */ 12129 #include "mips16e_translate.c.inc" 12130 12131 /* microMIPS extension to MIPS32/MIPS64 */ 12132 12133 /* 12134 * Values for microMIPS fmt field. Variable-width, depending on which 12135 * formats the instruction supports. 12136 */ 12137 enum { 12138 FMT_SD_S = 0, 12139 FMT_SD_D = 1, 12140 12141 FMT_SDPS_S = 0, 12142 FMT_SDPS_D = 1, 12143 FMT_SDPS_PS = 2, 12144 12145 FMT_SWL_S = 0, 12146 FMT_SWL_W = 1, 12147 FMT_SWL_L = 2, 12148 12149 FMT_DWL_D = 0, 12150 FMT_DWL_W = 1, 12151 FMT_DWL_L = 2 12152 }; 12153 12154 #include "micromips_translate.c.inc" 12155 12156 #include "nanomips_translate.c.inc" 12157 12158 /* MIPSDSP functions. */ 12159 static void gen_mipsdsp_ld(DisasContext *ctx, uint32_t opc, 12160 int rd, int base, int offset) 12161 { 12162 TCGv t0; 12163 12164 check_dsp(ctx); 12165 t0 = tcg_temp_new(); 12166 12167 if (base == 0) { 12168 gen_load_gpr(t0, offset); 12169 } else if (offset == 0) { 12170 gen_load_gpr(t0, base); 12171 } else { 12172 gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[offset]); 12173 } 12174 12175 switch (opc) { 12176 case OPC_LBUX: 12177 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_UB); 12178 gen_store_gpr(t0, rd); 12179 break; 12180 case OPC_LHX: 12181 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW); 12182 gen_store_gpr(t0, rd); 12183 break; 12184 case OPC_LWX: 12185 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL); 12186 gen_store_gpr(t0, rd); 12187 break; 12188 #if defined(TARGET_MIPS64) 12189 case OPC_LDX: 12190 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEQ); 12191 gen_store_gpr(t0, rd); 12192 break; 12193 #endif 12194 } 12195 tcg_temp_free(t0); 12196 } 12197 12198 static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, 12199 int ret, int v1, int v2) 12200 { 12201 TCGv v1_t; 12202 TCGv v2_t; 12203 12204 if (ret == 0) { 12205 /* Treat as NOP. */ 12206 return; 12207 } 12208 12209 v1_t = tcg_temp_new(); 12210 v2_t = tcg_temp_new(); 12211 12212 gen_load_gpr(v1_t, v1); 12213 gen_load_gpr(v2_t, v2); 12214 12215 switch (op1) { 12216 /* OPC_MULT_G_2E is equal OPC_ADDUH_QB_DSP */ 12217 case OPC_MULT_G_2E: 12218 check_dsp_r2(ctx); 12219 switch (op2) { 12220 case OPC_ADDUH_QB: 12221 gen_helper_adduh_qb(cpu_gpr[ret], v1_t, v2_t); 12222 break; 12223 case OPC_ADDUH_R_QB: 12224 gen_helper_adduh_r_qb(cpu_gpr[ret], v1_t, v2_t); 12225 break; 12226 case OPC_ADDQH_PH: 12227 gen_helper_addqh_ph(cpu_gpr[ret], v1_t, v2_t); 12228 break; 12229 case OPC_ADDQH_R_PH: 12230 gen_helper_addqh_r_ph(cpu_gpr[ret], v1_t, v2_t); 12231 break; 12232 case OPC_ADDQH_W: 12233 gen_helper_addqh_w(cpu_gpr[ret], v1_t, v2_t); 12234 break; 12235 case OPC_ADDQH_R_W: 12236 gen_helper_addqh_r_w(cpu_gpr[ret], v1_t, v2_t); 12237 break; 12238 case OPC_SUBUH_QB: 12239 gen_helper_subuh_qb(cpu_gpr[ret], v1_t, v2_t); 12240 break; 12241 case OPC_SUBUH_R_QB: 12242 gen_helper_subuh_r_qb(cpu_gpr[ret], v1_t, v2_t); 12243 break; 12244 case OPC_SUBQH_PH: 12245 gen_helper_subqh_ph(cpu_gpr[ret], v1_t, v2_t); 12246 break; 12247 case OPC_SUBQH_R_PH: 12248 gen_helper_subqh_r_ph(cpu_gpr[ret], v1_t, v2_t); 12249 break; 12250 case OPC_SUBQH_W: 12251 gen_helper_subqh_w(cpu_gpr[ret], v1_t, v2_t); 12252 break; 12253 case OPC_SUBQH_R_W: 12254 gen_helper_subqh_r_w(cpu_gpr[ret], v1_t, v2_t); 12255 break; 12256 } 12257 break; 12258 case OPC_ABSQ_S_PH_DSP: 12259 switch (op2) { 12260 case OPC_ABSQ_S_QB: 12261 check_dsp_r2(ctx); 12262 gen_helper_absq_s_qb(cpu_gpr[ret], v2_t, cpu_env); 12263 break; 12264 case OPC_ABSQ_S_PH: 12265 check_dsp(ctx); 12266 gen_helper_absq_s_ph(cpu_gpr[ret], v2_t, cpu_env); 12267 break; 12268 case OPC_ABSQ_S_W: 12269 check_dsp(ctx); 12270 gen_helper_absq_s_w(cpu_gpr[ret], v2_t, cpu_env); 12271 break; 12272 case OPC_PRECEQ_W_PHL: 12273 check_dsp(ctx); 12274 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0xFFFF0000); 12275 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]); 12276 break; 12277 case OPC_PRECEQ_W_PHR: 12278 check_dsp(ctx); 12279 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0x0000FFFF); 12280 tcg_gen_shli_tl(cpu_gpr[ret], cpu_gpr[ret], 16); 12281 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]); 12282 break; 12283 case OPC_PRECEQU_PH_QBL: 12284 check_dsp(ctx); 12285 gen_helper_precequ_ph_qbl(cpu_gpr[ret], v2_t); 12286 break; 12287 case OPC_PRECEQU_PH_QBR: 12288 check_dsp(ctx); 12289 gen_helper_precequ_ph_qbr(cpu_gpr[ret], v2_t); 12290 break; 12291 case OPC_PRECEQU_PH_QBLA: 12292 check_dsp(ctx); 12293 gen_helper_precequ_ph_qbla(cpu_gpr[ret], v2_t); 12294 break; 12295 case OPC_PRECEQU_PH_QBRA: 12296 check_dsp(ctx); 12297 gen_helper_precequ_ph_qbra(cpu_gpr[ret], v2_t); 12298 break; 12299 case OPC_PRECEU_PH_QBL: 12300 check_dsp(ctx); 12301 gen_helper_preceu_ph_qbl(cpu_gpr[ret], v2_t); 12302 break; 12303 case OPC_PRECEU_PH_QBR: 12304 check_dsp(ctx); 12305 gen_helper_preceu_ph_qbr(cpu_gpr[ret], v2_t); 12306 break; 12307 case OPC_PRECEU_PH_QBLA: 12308 check_dsp(ctx); 12309 gen_helper_preceu_ph_qbla(cpu_gpr[ret], v2_t); 12310 break; 12311 case OPC_PRECEU_PH_QBRA: 12312 check_dsp(ctx); 12313 gen_helper_preceu_ph_qbra(cpu_gpr[ret], v2_t); 12314 break; 12315 } 12316 break; 12317 case OPC_ADDU_QB_DSP: 12318 switch (op2) { 12319 case OPC_ADDQ_PH: 12320 check_dsp(ctx); 12321 gen_helper_addq_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12322 break; 12323 case OPC_ADDQ_S_PH: 12324 check_dsp(ctx); 12325 gen_helper_addq_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12326 break; 12327 case OPC_ADDQ_S_W: 12328 check_dsp(ctx); 12329 gen_helper_addq_s_w(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12330 break; 12331 case OPC_ADDU_QB: 12332 check_dsp(ctx); 12333 gen_helper_addu_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12334 break; 12335 case OPC_ADDU_S_QB: 12336 check_dsp(ctx); 12337 gen_helper_addu_s_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12338 break; 12339 case OPC_ADDU_PH: 12340 check_dsp_r2(ctx); 12341 gen_helper_addu_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12342 break; 12343 case OPC_ADDU_S_PH: 12344 check_dsp_r2(ctx); 12345 gen_helper_addu_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12346 break; 12347 case OPC_SUBQ_PH: 12348 check_dsp(ctx); 12349 gen_helper_subq_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12350 break; 12351 case OPC_SUBQ_S_PH: 12352 check_dsp(ctx); 12353 gen_helper_subq_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12354 break; 12355 case OPC_SUBQ_S_W: 12356 check_dsp(ctx); 12357 gen_helper_subq_s_w(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12358 break; 12359 case OPC_SUBU_QB: 12360 check_dsp(ctx); 12361 gen_helper_subu_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12362 break; 12363 case OPC_SUBU_S_QB: 12364 check_dsp(ctx); 12365 gen_helper_subu_s_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12366 break; 12367 case OPC_SUBU_PH: 12368 check_dsp_r2(ctx); 12369 gen_helper_subu_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12370 break; 12371 case OPC_SUBU_S_PH: 12372 check_dsp_r2(ctx); 12373 gen_helper_subu_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12374 break; 12375 case OPC_ADDSC: 12376 check_dsp(ctx); 12377 gen_helper_addsc(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12378 break; 12379 case OPC_ADDWC: 12380 check_dsp(ctx); 12381 gen_helper_addwc(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12382 break; 12383 case OPC_MODSUB: 12384 check_dsp(ctx); 12385 gen_helper_modsub(cpu_gpr[ret], v1_t, v2_t); 12386 break; 12387 case OPC_RADDU_W_QB: 12388 check_dsp(ctx); 12389 gen_helper_raddu_w_qb(cpu_gpr[ret], v1_t); 12390 break; 12391 } 12392 break; 12393 case OPC_CMPU_EQ_QB_DSP: 12394 switch (op2) { 12395 case OPC_PRECR_QB_PH: 12396 check_dsp_r2(ctx); 12397 gen_helper_precr_qb_ph(cpu_gpr[ret], v1_t, v2_t); 12398 break; 12399 case OPC_PRECRQ_QB_PH: 12400 check_dsp(ctx); 12401 gen_helper_precrq_qb_ph(cpu_gpr[ret], v1_t, v2_t); 12402 break; 12403 case OPC_PRECR_SRA_PH_W: 12404 check_dsp_r2(ctx); 12405 { 12406 TCGv_i32 sa_t = tcg_const_i32(v2); 12407 gen_helper_precr_sra_ph_w(cpu_gpr[ret], sa_t, v1_t, 12408 cpu_gpr[ret]); 12409 tcg_temp_free_i32(sa_t); 12410 break; 12411 } 12412 case OPC_PRECR_SRA_R_PH_W: 12413 check_dsp_r2(ctx); 12414 { 12415 TCGv_i32 sa_t = tcg_const_i32(v2); 12416 gen_helper_precr_sra_r_ph_w(cpu_gpr[ret], sa_t, v1_t, 12417 cpu_gpr[ret]); 12418 tcg_temp_free_i32(sa_t); 12419 break; 12420 } 12421 case OPC_PRECRQ_PH_W: 12422 check_dsp(ctx); 12423 gen_helper_precrq_ph_w(cpu_gpr[ret], v1_t, v2_t); 12424 break; 12425 case OPC_PRECRQ_RS_PH_W: 12426 check_dsp(ctx); 12427 gen_helper_precrq_rs_ph_w(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12428 break; 12429 case OPC_PRECRQU_S_QB_PH: 12430 check_dsp(ctx); 12431 gen_helper_precrqu_s_qb_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12432 break; 12433 } 12434 break; 12435 #ifdef TARGET_MIPS64 12436 case OPC_ABSQ_S_QH_DSP: 12437 switch (op2) { 12438 case OPC_PRECEQ_L_PWL: 12439 check_dsp(ctx); 12440 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0xFFFFFFFF00000000ull); 12441 break; 12442 case OPC_PRECEQ_L_PWR: 12443 check_dsp(ctx); 12444 tcg_gen_shli_tl(cpu_gpr[ret], v2_t, 32); 12445 break; 12446 case OPC_PRECEQ_PW_QHL: 12447 check_dsp(ctx); 12448 gen_helper_preceq_pw_qhl(cpu_gpr[ret], v2_t); 12449 break; 12450 case OPC_PRECEQ_PW_QHR: 12451 check_dsp(ctx); 12452 gen_helper_preceq_pw_qhr(cpu_gpr[ret], v2_t); 12453 break; 12454 case OPC_PRECEQ_PW_QHLA: 12455 check_dsp(ctx); 12456 gen_helper_preceq_pw_qhla(cpu_gpr[ret], v2_t); 12457 break; 12458 case OPC_PRECEQ_PW_QHRA: 12459 check_dsp(ctx); 12460 gen_helper_preceq_pw_qhra(cpu_gpr[ret], v2_t); 12461 break; 12462 case OPC_PRECEQU_QH_OBL: 12463 check_dsp(ctx); 12464 gen_helper_precequ_qh_obl(cpu_gpr[ret], v2_t); 12465 break; 12466 case OPC_PRECEQU_QH_OBR: 12467 check_dsp(ctx); 12468 gen_helper_precequ_qh_obr(cpu_gpr[ret], v2_t); 12469 break; 12470 case OPC_PRECEQU_QH_OBLA: 12471 check_dsp(ctx); 12472 gen_helper_precequ_qh_obla(cpu_gpr[ret], v2_t); 12473 break; 12474 case OPC_PRECEQU_QH_OBRA: 12475 check_dsp(ctx); 12476 gen_helper_precequ_qh_obra(cpu_gpr[ret], v2_t); 12477 break; 12478 case OPC_PRECEU_QH_OBL: 12479 check_dsp(ctx); 12480 gen_helper_preceu_qh_obl(cpu_gpr[ret], v2_t); 12481 break; 12482 case OPC_PRECEU_QH_OBR: 12483 check_dsp(ctx); 12484 gen_helper_preceu_qh_obr(cpu_gpr[ret], v2_t); 12485 break; 12486 case OPC_PRECEU_QH_OBLA: 12487 check_dsp(ctx); 12488 gen_helper_preceu_qh_obla(cpu_gpr[ret], v2_t); 12489 break; 12490 case OPC_PRECEU_QH_OBRA: 12491 check_dsp(ctx); 12492 gen_helper_preceu_qh_obra(cpu_gpr[ret], v2_t); 12493 break; 12494 case OPC_ABSQ_S_OB: 12495 check_dsp_r2(ctx); 12496 gen_helper_absq_s_ob(cpu_gpr[ret], v2_t, cpu_env); 12497 break; 12498 case OPC_ABSQ_S_PW: 12499 check_dsp(ctx); 12500 gen_helper_absq_s_pw(cpu_gpr[ret], v2_t, cpu_env); 12501 break; 12502 case OPC_ABSQ_S_QH: 12503 check_dsp(ctx); 12504 gen_helper_absq_s_qh(cpu_gpr[ret], v2_t, cpu_env); 12505 break; 12506 } 12507 break; 12508 case OPC_ADDU_OB_DSP: 12509 switch (op2) { 12510 case OPC_RADDU_L_OB: 12511 check_dsp(ctx); 12512 gen_helper_raddu_l_ob(cpu_gpr[ret], v1_t); 12513 break; 12514 case OPC_SUBQ_PW: 12515 check_dsp(ctx); 12516 gen_helper_subq_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12517 break; 12518 case OPC_SUBQ_S_PW: 12519 check_dsp(ctx); 12520 gen_helper_subq_s_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12521 break; 12522 case OPC_SUBQ_QH: 12523 check_dsp(ctx); 12524 gen_helper_subq_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12525 break; 12526 case OPC_SUBQ_S_QH: 12527 check_dsp(ctx); 12528 gen_helper_subq_s_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12529 break; 12530 case OPC_SUBU_OB: 12531 check_dsp(ctx); 12532 gen_helper_subu_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12533 break; 12534 case OPC_SUBU_S_OB: 12535 check_dsp(ctx); 12536 gen_helper_subu_s_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12537 break; 12538 case OPC_SUBU_QH: 12539 check_dsp_r2(ctx); 12540 gen_helper_subu_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12541 break; 12542 case OPC_SUBU_S_QH: 12543 check_dsp_r2(ctx); 12544 gen_helper_subu_s_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12545 break; 12546 case OPC_SUBUH_OB: 12547 check_dsp_r2(ctx); 12548 gen_helper_subuh_ob(cpu_gpr[ret], v1_t, v2_t); 12549 break; 12550 case OPC_SUBUH_R_OB: 12551 check_dsp_r2(ctx); 12552 gen_helper_subuh_r_ob(cpu_gpr[ret], v1_t, v2_t); 12553 break; 12554 case OPC_ADDQ_PW: 12555 check_dsp(ctx); 12556 gen_helper_addq_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12557 break; 12558 case OPC_ADDQ_S_PW: 12559 check_dsp(ctx); 12560 gen_helper_addq_s_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12561 break; 12562 case OPC_ADDQ_QH: 12563 check_dsp(ctx); 12564 gen_helper_addq_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12565 break; 12566 case OPC_ADDQ_S_QH: 12567 check_dsp(ctx); 12568 gen_helper_addq_s_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12569 break; 12570 case OPC_ADDU_OB: 12571 check_dsp(ctx); 12572 gen_helper_addu_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12573 break; 12574 case OPC_ADDU_S_OB: 12575 check_dsp(ctx); 12576 gen_helper_addu_s_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12577 break; 12578 case OPC_ADDU_QH: 12579 check_dsp_r2(ctx); 12580 gen_helper_addu_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12581 break; 12582 case OPC_ADDU_S_QH: 12583 check_dsp_r2(ctx); 12584 gen_helper_addu_s_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12585 break; 12586 case OPC_ADDUH_OB: 12587 check_dsp_r2(ctx); 12588 gen_helper_adduh_ob(cpu_gpr[ret], v1_t, v2_t); 12589 break; 12590 case OPC_ADDUH_R_OB: 12591 check_dsp_r2(ctx); 12592 gen_helper_adduh_r_ob(cpu_gpr[ret], v1_t, v2_t); 12593 break; 12594 } 12595 break; 12596 case OPC_CMPU_EQ_OB_DSP: 12597 switch (op2) { 12598 case OPC_PRECR_OB_QH: 12599 check_dsp_r2(ctx); 12600 gen_helper_precr_ob_qh(cpu_gpr[ret], v1_t, v2_t); 12601 break; 12602 case OPC_PRECR_SRA_QH_PW: 12603 check_dsp_r2(ctx); 12604 { 12605 TCGv_i32 ret_t = tcg_const_i32(ret); 12606 gen_helper_precr_sra_qh_pw(v2_t, v1_t, v2_t, ret_t); 12607 tcg_temp_free_i32(ret_t); 12608 break; 12609 } 12610 case OPC_PRECR_SRA_R_QH_PW: 12611 check_dsp_r2(ctx); 12612 { 12613 TCGv_i32 sa_v = tcg_const_i32(ret); 12614 gen_helper_precr_sra_r_qh_pw(v2_t, v1_t, v2_t, sa_v); 12615 tcg_temp_free_i32(sa_v); 12616 break; 12617 } 12618 case OPC_PRECRQ_OB_QH: 12619 check_dsp(ctx); 12620 gen_helper_precrq_ob_qh(cpu_gpr[ret], v1_t, v2_t); 12621 break; 12622 case OPC_PRECRQ_PW_L: 12623 check_dsp(ctx); 12624 gen_helper_precrq_pw_l(cpu_gpr[ret], v1_t, v2_t); 12625 break; 12626 case OPC_PRECRQ_QH_PW: 12627 check_dsp(ctx); 12628 gen_helper_precrq_qh_pw(cpu_gpr[ret], v1_t, v2_t); 12629 break; 12630 case OPC_PRECRQ_RS_QH_PW: 12631 check_dsp(ctx); 12632 gen_helper_precrq_rs_qh_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12633 break; 12634 case OPC_PRECRQU_S_OB_QH: 12635 check_dsp(ctx); 12636 gen_helper_precrqu_s_ob_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12637 break; 12638 } 12639 break; 12640 #endif 12641 } 12642 12643 tcg_temp_free(v1_t); 12644 tcg_temp_free(v2_t); 12645 } 12646 12647 static void gen_mipsdsp_shift(DisasContext *ctx, uint32_t opc, 12648 int ret, int v1, int v2) 12649 { 12650 uint32_t op2; 12651 TCGv t0; 12652 TCGv v1_t; 12653 TCGv v2_t; 12654 12655 if (ret == 0) { 12656 /* Treat as NOP. */ 12657 return; 12658 } 12659 12660 t0 = tcg_temp_new(); 12661 v1_t = tcg_temp_new(); 12662 v2_t = tcg_temp_new(); 12663 12664 tcg_gen_movi_tl(t0, v1); 12665 gen_load_gpr(v1_t, v1); 12666 gen_load_gpr(v2_t, v2); 12667 12668 switch (opc) { 12669 case OPC_SHLL_QB_DSP: 12670 { 12671 op2 = MASK_SHLL_QB(ctx->opcode); 12672 switch (op2) { 12673 case OPC_SHLL_QB: 12674 check_dsp(ctx); 12675 gen_helper_shll_qb(cpu_gpr[ret], t0, v2_t, cpu_env); 12676 break; 12677 case OPC_SHLLV_QB: 12678 check_dsp(ctx); 12679 gen_helper_shll_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12680 break; 12681 case OPC_SHLL_PH: 12682 check_dsp(ctx); 12683 gen_helper_shll_ph(cpu_gpr[ret], t0, v2_t, cpu_env); 12684 break; 12685 case OPC_SHLLV_PH: 12686 check_dsp(ctx); 12687 gen_helper_shll_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12688 break; 12689 case OPC_SHLL_S_PH: 12690 check_dsp(ctx); 12691 gen_helper_shll_s_ph(cpu_gpr[ret], t0, v2_t, cpu_env); 12692 break; 12693 case OPC_SHLLV_S_PH: 12694 check_dsp(ctx); 12695 gen_helper_shll_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12696 break; 12697 case OPC_SHLL_S_W: 12698 check_dsp(ctx); 12699 gen_helper_shll_s_w(cpu_gpr[ret], t0, v2_t, cpu_env); 12700 break; 12701 case OPC_SHLLV_S_W: 12702 check_dsp(ctx); 12703 gen_helper_shll_s_w(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12704 break; 12705 case OPC_SHRL_QB: 12706 check_dsp(ctx); 12707 gen_helper_shrl_qb(cpu_gpr[ret], t0, v2_t); 12708 break; 12709 case OPC_SHRLV_QB: 12710 check_dsp(ctx); 12711 gen_helper_shrl_qb(cpu_gpr[ret], v1_t, v2_t); 12712 break; 12713 case OPC_SHRL_PH: 12714 check_dsp_r2(ctx); 12715 gen_helper_shrl_ph(cpu_gpr[ret], t0, v2_t); 12716 break; 12717 case OPC_SHRLV_PH: 12718 check_dsp_r2(ctx); 12719 gen_helper_shrl_ph(cpu_gpr[ret], v1_t, v2_t); 12720 break; 12721 case OPC_SHRA_QB: 12722 check_dsp_r2(ctx); 12723 gen_helper_shra_qb(cpu_gpr[ret], t0, v2_t); 12724 break; 12725 case OPC_SHRA_R_QB: 12726 check_dsp_r2(ctx); 12727 gen_helper_shra_r_qb(cpu_gpr[ret], t0, v2_t); 12728 break; 12729 case OPC_SHRAV_QB: 12730 check_dsp_r2(ctx); 12731 gen_helper_shra_qb(cpu_gpr[ret], v1_t, v2_t); 12732 break; 12733 case OPC_SHRAV_R_QB: 12734 check_dsp_r2(ctx); 12735 gen_helper_shra_r_qb(cpu_gpr[ret], v1_t, v2_t); 12736 break; 12737 case OPC_SHRA_PH: 12738 check_dsp(ctx); 12739 gen_helper_shra_ph(cpu_gpr[ret], t0, v2_t); 12740 break; 12741 case OPC_SHRA_R_PH: 12742 check_dsp(ctx); 12743 gen_helper_shra_r_ph(cpu_gpr[ret], t0, v2_t); 12744 break; 12745 case OPC_SHRAV_PH: 12746 check_dsp(ctx); 12747 gen_helper_shra_ph(cpu_gpr[ret], v1_t, v2_t); 12748 break; 12749 case OPC_SHRAV_R_PH: 12750 check_dsp(ctx); 12751 gen_helper_shra_r_ph(cpu_gpr[ret], v1_t, v2_t); 12752 break; 12753 case OPC_SHRA_R_W: 12754 check_dsp(ctx); 12755 gen_helper_shra_r_w(cpu_gpr[ret], t0, v2_t); 12756 break; 12757 case OPC_SHRAV_R_W: 12758 check_dsp(ctx); 12759 gen_helper_shra_r_w(cpu_gpr[ret], v1_t, v2_t); 12760 break; 12761 default: /* Invalid */ 12762 MIPS_INVAL("MASK SHLL.QB"); 12763 gen_reserved_instruction(ctx); 12764 break; 12765 } 12766 break; 12767 } 12768 #ifdef TARGET_MIPS64 12769 case OPC_SHLL_OB_DSP: 12770 op2 = MASK_SHLL_OB(ctx->opcode); 12771 switch (op2) { 12772 case OPC_SHLL_PW: 12773 check_dsp(ctx); 12774 gen_helper_shll_pw(cpu_gpr[ret], v2_t, t0, cpu_env); 12775 break; 12776 case OPC_SHLLV_PW: 12777 check_dsp(ctx); 12778 gen_helper_shll_pw(cpu_gpr[ret], v2_t, v1_t, cpu_env); 12779 break; 12780 case OPC_SHLL_S_PW: 12781 check_dsp(ctx); 12782 gen_helper_shll_s_pw(cpu_gpr[ret], v2_t, t0, cpu_env); 12783 break; 12784 case OPC_SHLLV_S_PW: 12785 check_dsp(ctx); 12786 gen_helper_shll_s_pw(cpu_gpr[ret], v2_t, v1_t, cpu_env); 12787 break; 12788 case OPC_SHLL_OB: 12789 check_dsp(ctx); 12790 gen_helper_shll_ob(cpu_gpr[ret], v2_t, t0, cpu_env); 12791 break; 12792 case OPC_SHLLV_OB: 12793 check_dsp(ctx); 12794 gen_helper_shll_ob(cpu_gpr[ret], v2_t, v1_t, cpu_env); 12795 break; 12796 case OPC_SHLL_QH: 12797 check_dsp(ctx); 12798 gen_helper_shll_qh(cpu_gpr[ret], v2_t, t0, cpu_env); 12799 break; 12800 case OPC_SHLLV_QH: 12801 check_dsp(ctx); 12802 gen_helper_shll_qh(cpu_gpr[ret], v2_t, v1_t, cpu_env); 12803 break; 12804 case OPC_SHLL_S_QH: 12805 check_dsp(ctx); 12806 gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, t0, cpu_env); 12807 break; 12808 case OPC_SHLLV_S_QH: 12809 check_dsp(ctx); 12810 gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, v1_t, cpu_env); 12811 break; 12812 case OPC_SHRA_OB: 12813 check_dsp_r2(ctx); 12814 gen_helper_shra_ob(cpu_gpr[ret], v2_t, t0); 12815 break; 12816 case OPC_SHRAV_OB: 12817 check_dsp_r2(ctx); 12818 gen_helper_shra_ob(cpu_gpr[ret], v2_t, v1_t); 12819 break; 12820 case OPC_SHRA_R_OB: 12821 check_dsp_r2(ctx); 12822 gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, t0); 12823 break; 12824 case OPC_SHRAV_R_OB: 12825 check_dsp_r2(ctx); 12826 gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, v1_t); 12827 break; 12828 case OPC_SHRA_PW: 12829 check_dsp(ctx); 12830 gen_helper_shra_pw(cpu_gpr[ret], v2_t, t0); 12831 break; 12832 case OPC_SHRAV_PW: 12833 check_dsp(ctx); 12834 gen_helper_shra_pw(cpu_gpr[ret], v2_t, v1_t); 12835 break; 12836 case OPC_SHRA_R_PW: 12837 check_dsp(ctx); 12838 gen_helper_shra_r_pw(cpu_gpr[ret], v2_t, t0); 12839 break; 12840 case OPC_SHRAV_R_PW: 12841 check_dsp(ctx); 12842 gen_helper_shra_r_pw(cpu_gpr[ret], v2_t, v1_t); 12843 break; 12844 case OPC_SHRA_QH: 12845 check_dsp(ctx); 12846 gen_helper_shra_qh(cpu_gpr[ret], v2_t, t0); 12847 break; 12848 case OPC_SHRAV_QH: 12849 check_dsp(ctx); 12850 gen_helper_shra_qh(cpu_gpr[ret], v2_t, v1_t); 12851 break; 12852 case OPC_SHRA_R_QH: 12853 check_dsp(ctx); 12854 gen_helper_shra_r_qh(cpu_gpr[ret], v2_t, t0); 12855 break; 12856 case OPC_SHRAV_R_QH: 12857 check_dsp(ctx); 12858 gen_helper_shra_r_qh(cpu_gpr[ret], v2_t, v1_t); 12859 break; 12860 case OPC_SHRL_OB: 12861 check_dsp(ctx); 12862 gen_helper_shrl_ob(cpu_gpr[ret], v2_t, t0); 12863 break; 12864 case OPC_SHRLV_OB: 12865 check_dsp(ctx); 12866 gen_helper_shrl_ob(cpu_gpr[ret], v2_t, v1_t); 12867 break; 12868 case OPC_SHRL_QH: 12869 check_dsp_r2(ctx); 12870 gen_helper_shrl_qh(cpu_gpr[ret], v2_t, t0); 12871 break; 12872 case OPC_SHRLV_QH: 12873 check_dsp_r2(ctx); 12874 gen_helper_shrl_qh(cpu_gpr[ret], v2_t, v1_t); 12875 break; 12876 default: /* Invalid */ 12877 MIPS_INVAL("MASK SHLL.OB"); 12878 gen_reserved_instruction(ctx); 12879 break; 12880 } 12881 break; 12882 #endif 12883 } 12884 12885 tcg_temp_free(t0); 12886 tcg_temp_free(v1_t); 12887 tcg_temp_free(v2_t); 12888 } 12889 12890 static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2, 12891 int ret, int v1, int v2, int check_ret) 12892 { 12893 TCGv_i32 t0; 12894 TCGv v1_t; 12895 TCGv v2_t; 12896 12897 if ((ret == 0) && (check_ret == 1)) { 12898 /* Treat as NOP. */ 12899 return; 12900 } 12901 12902 t0 = tcg_temp_new_i32(); 12903 v1_t = tcg_temp_new(); 12904 v2_t = tcg_temp_new(); 12905 12906 tcg_gen_movi_i32(t0, ret); 12907 gen_load_gpr(v1_t, v1); 12908 gen_load_gpr(v2_t, v2); 12909 12910 switch (op1) { 12911 /* 12912 * OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have 12913 * the same mask and op1. 12914 */ 12915 case OPC_MULT_G_2E: 12916 check_dsp_r2(ctx); 12917 switch (op2) { 12918 case OPC_MUL_PH: 12919 gen_helper_mul_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12920 break; 12921 case OPC_MUL_S_PH: 12922 gen_helper_mul_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12923 break; 12924 case OPC_MULQ_S_W: 12925 gen_helper_mulq_s_w(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12926 break; 12927 case OPC_MULQ_RS_W: 12928 gen_helper_mulq_rs_w(cpu_gpr[ret], v1_t, v2_t, cpu_env); 12929 break; 12930 } 12931 break; 12932 case OPC_DPA_W_PH_DSP: 12933 switch (op2) { 12934 case OPC_DPAU_H_QBL: 12935 check_dsp(ctx); 12936 gen_helper_dpau_h_qbl(t0, v1_t, v2_t, cpu_env); 12937 break; 12938 case OPC_DPAU_H_QBR: 12939 check_dsp(ctx); 12940 gen_helper_dpau_h_qbr(t0, v1_t, v2_t, cpu_env); 12941 break; 12942 case OPC_DPSU_H_QBL: 12943 check_dsp(ctx); 12944 gen_helper_dpsu_h_qbl(t0, v1_t, v2_t, cpu_env); 12945 break; 12946 case OPC_DPSU_H_QBR: 12947 check_dsp(ctx); 12948 gen_helper_dpsu_h_qbr(t0, v1_t, v2_t, cpu_env); 12949 break; 12950 case OPC_DPA_W_PH: 12951 check_dsp_r2(ctx); 12952 gen_helper_dpa_w_ph(t0, v1_t, v2_t, cpu_env); 12953 break; 12954 case OPC_DPAX_W_PH: 12955 check_dsp_r2(ctx); 12956 gen_helper_dpax_w_ph(t0, v1_t, v2_t, cpu_env); 12957 break; 12958 case OPC_DPAQ_S_W_PH: 12959 check_dsp(ctx); 12960 gen_helper_dpaq_s_w_ph(t0, v1_t, v2_t, cpu_env); 12961 break; 12962 case OPC_DPAQX_S_W_PH: 12963 check_dsp_r2(ctx); 12964 gen_helper_dpaqx_s_w_ph(t0, v1_t, v2_t, cpu_env); 12965 break; 12966 case OPC_DPAQX_SA_W_PH: 12967 check_dsp_r2(ctx); 12968 gen_helper_dpaqx_sa_w_ph(t0, v1_t, v2_t, cpu_env); 12969 break; 12970 case OPC_DPS_W_PH: 12971 check_dsp_r2(ctx); 12972 gen_helper_dps_w_ph(t0, v1_t, v2_t, cpu_env); 12973 break; 12974 case OPC_DPSX_W_PH: 12975 check_dsp_r2(ctx); 12976 gen_helper_dpsx_w_ph(t0, v1_t, v2_t, cpu_env); 12977 break; 12978 case OPC_DPSQ_S_W_PH: 12979 check_dsp(ctx); 12980 gen_helper_dpsq_s_w_ph(t0, v1_t, v2_t, cpu_env); 12981 break; 12982 case OPC_DPSQX_S_W_PH: 12983 check_dsp_r2(ctx); 12984 gen_helper_dpsqx_s_w_ph(t0, v1_t, v2_t, cpu_env); 12985 break; 12986 case OPC_DPSQX_SA_W_PH: 12987 check_dsp_r2(ctx); 12988 gen_helper_dpsqx_sa_w_ph(t0, v1_t, v2_t, cpu_env); 12989 break; 12990 case OPC_MULSAQ_S_W_PH: 12991 check_dsp(ctx); 12992 gen_helper_mulsaq_s_w_ph(t0, v1_t, v2_t, cpu_env); 12993 break; 12994 case OPC_DPAQ_SA_L_W: 12995 check_dsp(ctx); 12996 gen_helper_dpaq_sa_l_w(t0, v1_t, v2_t, cpu_env); 12997 break; 12998 case OPC_DPSQ_SA_L_W: 12999 check_dsp(ctx); 13000 gen_helper_dpsq_sa_l_w(t0, v1_t, v2_t, cpu_env); 13001 break; 13002 case OPC_MAQ_S_W_PHL: 13003 check_dsp(ctx); 13004 gen_helper_maq_s_w_phl(t0, v1_t, v2_t, cpu_env); 13005 break; 13006 case OPC_MAQ_S_W_PHR: 13007 check_dsp(ctx); 13008 gen_helper_maq_s_w_phr(t0, v1_t, v2_t, cpu_env); 13009 break; 13010 case OPC_MAQ_SA_W_PHL: 13011 check_dsp(ctx); 13012 gen_helper_maq_sa_w_phl(t0, v1_t, v2_t, cpu_env); 13013 break; 13014 case OPC_MAQ_SA_W_PHR: 13015 check_dsp(ctx); 13016 gen_helper_maq_sa_w_phr(t0, v1_t, v2_t, cpu_env); 13017 break; 13018 case OPC_MULSA_W_PH: 13019 check_dsp_r2(ctx); 13020 gen_helper_mulsa_w_ph(t0, v1_t, v2_t, cpu_env); 13021 break; 13022 } 13023 break; 13024 #ifdef TARGET_MIPS64 13025 case OPC_DPAQ_W_QH_DSP: 13026 { 13027 int ac = ret & 0x03; 13028 tcg_gen_movi_i32(t0, ac); 13029 13030 switch (op2) { 13031 case OPC_DMADD: 13032 check_dsp(ctx); 13033 gen_helper_dmadd(v1_t, v2_t, t0, cpu_env); 13034 break; 13035 case OPC_DMADDU: 13036 check_dsp(ctx); 13037 gen_helper_dmaddu(v1_t, v2_t, t0, cpu_env); 13038 break; 13039 case OPC_DMSUB: 13040 check_dsp(ctx); 13041 gen_helper_dmsub(v1_t, v2_t, t0, cpu_env); 13042 break; 13043 case OPC_DMSUBU: 13044 check_dsp(ctx); 13045 gen_helper_dmsubu(v1_t, v2_t, t0, cpu_env); 13046 break; 13047 case OPC_DPA_W_QH: 13048 check_dsp_r2(ctx); 13049 gen_helper_dpa_w_qh(v1_t, v2_t, t0, cpu_env); 13050 break; 13051 case OPC_DPAQ_S_W_QH: 13052 check_dsp(ctx); 13053 gen_helper_dpaq_s_w_qh(v1_t, v2_t, t0, cpu_env); 13054 break; 13055 case OPC_DPAQ_SA_L_PW: 13056 check_dsp(ctx); 13057 gen_helper_dpaq_sa_l_pw(v1_t, v2_t, t0, cpu_env); 13058 break; 13059 case OPC_DPAU_H_OBL: 13060 check_dsp(ctx); 13061 gen_helper_dpau_h_obl(v1_t, v2_t, t0, cpu_env); 13062 break; 13063 case OPC_DPAU_H_OBR: 13064 check_dsp(ctx); 13065 gen_helper_dpau_h_obr(v1_t, v2_t, t0, cpu_env); 13066 break; 13067 case OPC_DPS_W_QH: 13068 check_dsp_r2(ctx); 13069 gen_helper_dps_w_qh(v1_t, v2_t, t0, cpu_env); 13070 break; 13071 case OPC_DPSQ_S_W_QH: 13072 check_dsp(ctx); 13073 gen_helper_dpsq_s_w_qh(v1_t, v2_t, t0, cpu_env); 13074 break; 13075 case OPC_DPSQ_SA_L_PW: 13076 check_dsp(ctx); 13077 gen_helper_dpsq_sa_l_pw(v1_t, v2_t, t0, cpu_env); 13078 break; 13079 case OPC_DPSU_H_OBL: 13080 check_dsp(ctx); 13081 gen_helper_dpsu_h_obl(v1_t, v2_t, t0, cpu_env); 13082 break; 13083 case OPC_DPSU_H_OBR: 13084 check_dsp(ctx); 13085 gen_helper_dpsu_h_obr(v1_t, v2_t, t0, cpu_env); 13086 break; 13087 case OPC_MAQ_S_L_PWL: 13088 check_dsp(ctx); 13089 gen_helper_maq_s_l_pwl(v1_t, v2_t, t0, cpu_env); 13090 break; 13091 case OPC_MAQ_S_L_PWR: 13092 check_dsp(ctx); 13093 gen_helper_maq_s_l_pwr(v1_t, v2_t, t0, cpu_env); 13094 break; 13095 case OPC_MAQ_S_W_QHLL: 13096 check_dsp(ctx); 13097 gen_helper_maq_s_w_qhll(v1_t, v2_t, t0, cpu_env); 13098 break; 13099 case OPC_MAQ_SA_W_QHLL: 13100 check_dsp(ctx); 13101 gen_helper_maq_sa_w_qhll(v1_t, v2_t, t0, cpu_env); 13102 break; 13103 case OPC_MAQ_S_W_QHLR: 13104 check_dsp(ctx); 13105 gen_helper_maq_s_w_qhlr(v1_t, v2_t, t0, cpu_env); 13106 break; 13107 case OPC_MAQ_SA_W_QHLR: 13108 check_dsp(ctx); 13109 gen_helper_maq_sa_w_qhlr(v1_t, v2_t, t0, cpu_env); 13110 break; 13111 case OPC_MAQ_S_W_QHRL: 13112 check_dsp(ctx); 13113 gen_helper_maq_s_w_qhrl(v1_t, v2_t, t0, cpu_env); 13114 break; 13115 case OPC_MAQ_SA_W_QHRL: 13116 check_dsp(ctx); 13117 gen_helper_maq_sa_w_qhrl(v1_t, v2_t, t0, cpu_env); 13118 break; 13119 case OPC_MAQ_S_W_QHRR: 13120 check_dsp(ctx); 13121 gen_helper_maq_s_w_qhrr(v1_t, v2_t, t0, cpu_env); 13122 break; 13123 case OPC_MAQ_SA_W_QHRR: 13124 check_dsp(ctx); 13125 gen_helper_maq_sa_w_qhrr(v1_t, v2_t, t0, cpu_env); 13126 break; 13127 case OPC_MULSAQ_S_L_PW: 13128 check_dsp(ctx); 13129 gen_helper_mulsaq_s_l_pw(v1_t, v2_t, t0, cpu_env); 13130 break; 13131 case OPC_MULSAQ_S_W_QH: 13132 check_dsp(ctx); 13133 gen_helper_mulsaq_s_w_qh(v1_t, v2_t, t0, cpu_env); 13134 break; 13135 } 13136 } 13137 break; 13138 #endif 13139 case OPC_ADDU_QB_DSP: 13140 switch (op2) { 13141 case OPC_MULEU_S_PH_QBL: 13142 check_dsp(ctx); 13143 gen_helper_muleu_s_ph_qbl(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13144 break; 13145 case OPC_MULEU_S_PH_QBR: 13146 check_dsp(ctx); 13147 gen_helper_muleu_s_ph_qbr(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13148 break; 13149 case OPC_MULQ_RS_PH: 13150 check_dsp(ctx); 13151 gen_helper_mulq_rs_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13152 break; 13153 case OPC_MULEQ_S_W_PHL: 13154 check_dsp(ctx); 13155 gen_helper_muleq_s_w_phl(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13156 break; 13157 case OPC_MULEQ_S_W_PHR: 13158 check_dsp(ctx); 13159 gen_helper_muleq_s_w_phr(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13160 break; 13161 case OPC_MULQ_S_PH: 13162 check_dsp_r2(ctx); 13163 gen_helper_mulq_s_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13164 break; 13165 } 13166 break; 13167 #ifdef TARGET_MIPS64 13168 case OPC_ADDU_OB_DSP: 13169 switch (op2) { 13170 case OPC_MULEQ_S_PW_QHL: 13171 check_dsp(ctx); 13172 gen_helper_muleq_s_pw_qhl(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13173 break; 13174 case OPC_MULEQ_S_PW_QHR: 13175 check_dsp(ctx); 13176 gen_helper_muleq_s_pw_qhr(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13177 break; 13178 case OPC_MULEU_S_QH_OBL: 13179 check_dsp(ctx); 13180 gen_helper_muleu_s_qh_obl(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13181 break; 13182 case OPC_MULEU_S_QH_OBR: 13183 check_dsp(ctx); 13184 gen_helper_muleu_s_qh_obr(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13185 break; 13186 case OPC_MULQ_RS_QH: 13187 check_dsp(ctx); 13188 gen_helper_mulq_rs_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13189 break; 13190 } 13191 break; 13192 #endif 13193 } 13194 13195 tcg_temp_free_i32(t0); 13196 tcg_temp_free(v1_t); 13197 tcg_temp_free(v2_t); 13198 } 13199 13200 static void gen_mipsdsp_bitinsn(DisasContext *ctx, uint32_t op1, uint32_t op2, 13201 int ret, int val) 13202 { 13203 int16_t imm; 13204 TCGv t0; 13205 TCGv val_t; 13206 13207 if (ret == 0) { 13208 /* Treat as NOP. */ 13209 return; 13210 } 13211 13212 t0 = tcg_temp_new(); 13213 val_t = tcg_temp_new(); 13214 gen_load_gpr(val_t, val); 13215 13216 switch (op1) { 13217 case OPC_ABSQ_S_PH_DSP: 13218 switch (op2) { 13219 case OPC_BITREV: 13220 check_dsp(ctx); 13221 gen_helper_bitrev(cpu_gpr[ret], val_t); 13222 break; 13223 case OPC_REPL_QB: 13224 check_dsp(ctx); 13225 { 13226 target_long result; 13227 imm = (ctx->opcode >> 16) & 0xFF; 13228 result = (uint32_t)imm << 24 | 13229 (uint32_t)imm << 16 | 13230 (uint32_t)imm << 8 | 13231 (uint32_t)imm; 13232 result = (int32_t)result; 13233 tcg_gen_movi_tl(cpu_gpr[ret], result); 13234 } 13235 break; 13236 case OPC_REPLV_QB: 13237 check_dsp(ctx); 13238 tcg_gen_ext8u_tl(cpu_gpr[ret], val_t); 13239 tcg_gen_shli_tl(t0, cpu_gpr[ret], 8); 13240 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 13241 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16); 13242 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 13243 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]); 13244 break; 13245 case OPC_REPL_PH: 13246 check_dsp(ctx); 13247 { 13248 imm = (ctx->opcode >> 16) & 0x03FF; 13249 imm = (int16_t)(imm << 6) >> 6; 13250 tcg_gen_movi_tl(cpu_gpr[ret], \ 13251 (target_long)((int32_t)imm << 16 | \ 13252 (uint16_t)imm)); 13253 } 13254 break; 13255 case OPC_REPLV_PH: 13256 check_dsp(ctx); 13257 tcg_gen_ext16u_tl(cpu_gpr[ret], val_t); 13258 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16); 13259 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 13260 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]); 13261 break; 13262 } 13263 break; 13264 #ifdef TARGET_MIPS64 13265 case OPC_ABSQ_S_QH_DSP: 13266 switch (op2) { 13267 case OPC_REPL_OB: 13268 check_dsp(ctx); 13269 { 13270 target_long temp; 13271 13272 imm = (ctx->opcode >> 16) & 0xFF; 13273 temp = ((uint64_t)imm << 8) | (uint64_t)imm; 13274 temp = (temp << 16) | temp; 13275 temp = (temp << 32) | temp; 13276 tcg_gen_movi_tl(cpu_gpr[ret], temp); 13277 break; 13278 } 13279 case OPC_REPL_PW: 13280 check_dsp(ctx); 13281 { 13282 target_long temp; 13283 13284 imm = (ctx->opcode >> 16) & 0x03FF; 13285 imm = (int16_t)(imm << 6) >> 6; 13286 temp = ((target_long)imm << 32) \ 13287 | ((target_long)imm & 0xFFFFFFFF); 13288 tcg_gen_movi_tl(cpu_gpr[ret], temp); 13289 break; 13290 } 13291 case OPC_REPL_QH: 13292 check_dsp(ctx); 13293 { 13294 target_long temp; 13295 13296 imm = (ctx->opcode >> 16) & 0x03FF; 13297 imm = (int16_t)(imm << 6) >> 6; 13298 13299 temp = ((uint64_t)(uint16_t)imm << 48) | 13300 ((uint64_t)(uint16_t)imm << 32) | 13301 ((uint64_t)(uint16_t)imm << 16) | 13302 (uint64_t)(uint16_t)imm; 13303 tcg_gen_movi_tl(cpu_gpr[ret], temp); 13304 break; 13305 } 13306 case OPC_REPLV_OB: 13307 check_dsp(ctx); 13308 tcg_gen_ext8u_tl(cpu_gpr[ret], val_t); 13309 tcg_gen_shli_tl(t0, cpu_gpr[ret], 8); 13310 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 13311 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16); 13312 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 13313 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32); 13314 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 13315 break; 13316 case OPC_REPLV_PW: 13317 check_dsp(ctx); 13318 tcg_gen_ext32u_i64(cpu_gpr[ret], val_t); 13319 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32); 13320 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 13321 break; 13322 case OPC_REPLV_QH: 13323 check_dsp(ctx); 13324 tcg_gen_ext16u_tl(cpu_gpr[ret], val_t); 13325 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16); 13326 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 13327 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32); 13328 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 13329 break; 13330 } 13331 break; 13332 #endif 13333 } 13334 tcg_temp_free(t0); 13335 tcg_temp_free(val_t); 13336 } 13337 13338 static void gen_mipsdsp_add_cmp_pick(DisasContext *ctx, 13339 uint32_t op1, uint32_t op2, 13340 int ret, int v1, int v2, int check_ret) 13341 { 13342 TCGv t1; 13343 TCGv v1_t; 13344 TCGv v2_t; 13345 13346 if ((ret == 0) && (check_ret == 1)) { 13347 /* Treat as NOP. */ 13348 return; 13349 } 13350 13351 t1 = tcg_temp_new(); 13352 v1_t = tcg_temp_new(); 13353 v2_t = tcg_temp_new(); 13354 13355 gen_load_gpr(v1_t, v1); 13356 gen_load_gpr(v2_t, v2); 13357 13358 switch (op1) { 13359 case OPC_CMPU_EQ_QB_DSP: 13360 switch (op2) { 13361 case OPC_CMPU_EQ_QB: 13362 check_dsp(ctx); 13363 gen_helper_cmpu_eq_qb(v1_t, v2_t, cpu_env); 13364 break; 13365 case OPC_CMPU_LT_QB: 13366 check_dsp(ctx); 13367 gen_helper_cmpu_lt_qb(v1_t, v2_t, cpu_env); 13368 break; 13369 case OPC_CMPU_LE_QB: 13370 check_dsp(ctx); 13371 gen_helper_cmpu_le_qb(v1_t, v2_t, cpu_env); 13372 break; 13373 case OPC_CMPGU_EQ_QB: 13374 check_dsp(ctx); 13375 gen_helper_cmpgu_eq_qb(cpu_gpr[ret], v1_t, v2_t); 13376 break; 13377 case OPC_CMPGU_LT_QB: 13378 check_dsp(ctx); 13379 gen_helper_cmpgu_lt_qb(cpu_gpr[ret], v1_t, v2_t); 13380 break; 13381 case OPC_CMPGU_LE_QB: 13382 check_dsp(ctx); 13383 gen_helper_cmpgu_le_qb(cpu_gpr[ret], v1_t, v2_t); 13384 break; 13385 case OPC_CMPGDU_EQ_QB: 13386 check_dsp_r2(ctx); 13387 gen_helper_cmpgu_eq_qb(t1, v1_t, v2_t); 13388 tcg_gen_mov_tl(cpu_gpr[ret], t1); 13389 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF); 13390 tcg_gen_shli_tl(t1, t1, 24); 13391 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1); 13392 break; 13393 case OPC_CMPGDU_LT_QB: 13394 check_dsp_r2(ctx); 13395 gen_helper_cmpgu_lt_qb(t1, v1_t, v2_t); 13396 tcg_gen_mov_tl(cpu_gpr[ret], t1); 13397 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF); 13398 tcg_gen_shli_tl(t1, t1, 24); 13399 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1); 13400 break; 13401 case OPC_CMPGDU_LE_QB: 13402 check_dsp_r2(ctx); 13403 gen_helper_cmpgu_le_qb(t1, v1_t, v2_t); 13404 tcg_gen_mov_tl(cpu_gpr[ret], t1); 13405 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF); 13406 tcg_gen_shli_tl(t1, t1, 24); 13407 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1); 13408 break; 13409 case OPC_CMP_EQ_PH: 13410 check_dsp(ctx); 13411 gen_helper_cmp_eq_ph(v1_t, v2_t, cpu_env); 13412 break; 13413 case OPC_CMP_LT_PH: 13414 check_dsp(ctx); 13415 gen_helper_cmp_lt_ph(v1_t, v2_t, cpu_env); 13416 break; 13417 case OPC_CMP_LE_PH: 13418 check_dsp(ctx); 13419 gen_helper_cmp_le_ph(v1_t, v2_t, cpu_env); 13420 break; 13421 case OPC_PICK_QB: 13422 check_dsp(ctx); 13423 gen_helper_pick_qb(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13424 break; 13425 case OPC_PICK_PH: 13426 check_dsp(ctx); 13427 gen_helper_pick_ph(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13428 break; 13429 case OPC_PACKRL_PH: 13430 check_dsp(ctx); 13431 gen_helper_packrl_ph(cpu_gpr[ret], v1_t, v2_t); 13432 break; 13433 } 13434 break; 13435 #ifdef TARGET_MIPS64 13436 case OPC_CMPU_EQ_OB_DSP: 13437 switch (op2) { 13438 case OPC_CMP_EQ_PW: 13439 check_dsp(ctx); 13440 gen_helper_cmp_eq_pw(v1_t, v2_t, cpu_env); 13441 break; 13442 case OPC_CMP_LT_PW: 13443 check_dsp(ctx); 13444 gen_helper_cmp_lt_pw(v1_t, v2_t, cpu_env); 13445 break; 13446 case OPC_CMP_LE_PW: 13447 check_dsp(ctx); 13448 gen_helper_cmp_le_pw(v1_t, v2_t, cpu_env); 13449 break; 13450 case OPC_CMP_EQ_QH: 13451 check_dsp(ctx); 13452 gen_helper_cmp_eq_qh(v1_t, v2_t, cpu_env); 13453 break; 13454 case OPC_CMP_LT_QH: 13455 check_dsp(ctx); 13456 gen_helper_cmp_lt_qh(v1_t, v2_t, cpu_env); 13457 break; 13458 case OPC_CMP_LE_QH: 13459 check_dsp(ctx); 13460 gen_helper_cmp_le_qh(v1_t, v2_t, cpu_env); 13461 break; 13462 case OPC_CMPGDU_EQ_OB: 13463 check_dsp_r2(ctx); 13464 gen_helper_cmpgdu_eq_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13465 break; 13466 case OPC_CMPGDU_LT_OB: 13467 check_dsp_r2(ctx); 13468 gen_helper_cmpgdu_lt_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13469 break; 13470 case OPC_CMPGDU_LE_OB: 13471 check_dsp_r2(ctx); 13472 gen_helper_cmpgdu_le_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13473 break; 13474 case OPC_CMPGU_EQ_OB: 13475 check_dsp(ctx); 13476 gen_helper_cmpgu_eq_ob(cpu_gpr[ret], v1_t, v2_t); 13477 break; 13478 case OPC_CMPGU_LT_OB: 13479 check_dsp(ctx); 13480 gen_helper_cmpgu_lt_ob(cpu_gpr[ret], v1_t, v2_t); 13481 break; 13482 case OPC_CMPGU_LE_OB: 13483 check_dsp(ctx); 13484 gen_helper_cmpgu_le_ob(cpu_gpr[ret], v1_t, v2_t); 13485 break; 13486 case OPC_CMPU_EQ_OB: 13487 check_dsp(ctx); 13488 gen_helper_cmpu_eq_ob(v1_t, v2_t, cpu_env); 13489 break; 13490 case OPC_CMPU_LT_OB: 13491 check_dsp(ctx); 13492 gen_helper_cmpu_lt_ob(v1_t, v2_t, cpu_env); 13493 break; 13494 case OPC_CMPU_LE_OB: 13495 check_dsp(ctx); 13496 gen_helper_cmpu_le_ob(v1_t, v2_t, cpu_env); 13497 break; 13498 case OPC_PACKRL_PW: 13499 check_dsp(ctx); 13500 gen_helper_packrl_pw(cpu_gpr[ret], v1_t, v2_t); 13501 break; 13502 case OPC_PICK_OB: 13503 check_dsp(ctx); 13504 gen_helper_pick_ob(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13505 break; 13506 case OPC_PICK_PW: 13507 check_dsp(ctx); 13508 gen_helper_pick_pw(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13509 break; 13510 case OPC_PICK_QH: 13511 check_dsp(ctx); 13512 gen_helper_pick_qh(cpu_gpr[ret], v1_t, v2_t, cpu_env); 13513 break; 13514 } 13515 break; 13516 #endif 13517 } 13518 13519 tcg_temp_free(t1); 13520 tcg_temp_free(v1_t); 13521 tcg_temp_free(v2_t); 13522 } 13523 13524 static void gen_mipsdsp_append(CPUMIPSState *env, DisasContext *ctx, 13525 uint32_t op1, int rt, int rs, int sa) 13526 { 13527 TCGv t0; 13528 13529 check_dsp_r2(ctx); 13530 13531 if (rt == 0) { 13532 /* Treat as NOP. */ 13533 return; 13534 } 13535 13536 t0 = tcg_temp_new(); 13537 gen_load_gpr(t0, rs); 13538 13539 switch (op1) { 13540 case OPC_APPEND_DSP: 13541 switch (MASK_APPEND(ctx->opcode)) { 13542 case OPC_APPEND: 13543 if (sa != 0) { 13544 tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], sa, 32 - sa); 13545 } 13546 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 13547 break; 13548 case OPC_PREPEND: 13549 if (sa != 0) { 13550 tcg_gen_ext32u_tl(cpu_gpr[rt], cpu_gpr[rt]); 13551 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], sa); 13552 tcg_gen_shli_tl(t0, t0, 32 - sa); 13553 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0); 13554 } 13555 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 13556 break; 13557 case OPC_BALIGN: 13558 sa &= 3; 13559 if (sa != 0 && sa != 2) { 13560 tcg_gen_shli_tl(cpu_gpr[rt], cpu_gpr[rt], 8 * sa); 13561 tcg_gen_ext32u_tl(t0, t0); 13562 tcg_gen_shri_tl(t0, t0, 8 * (4 - sa)); 13563 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0); 13564 } 13565 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 13566 break; 13567 default: /* Invalid */ 13568 MIPS_INVAL("MASK APPEND"); 13569 gen_reserved_instruction(ctx); 13570 break; 13571 } 13572 break; 13573 #ifdef TARGET_MIPS64 13574 case OPC_DAPPEND_DSP: 13575 switch (MASK_DAPPEND(ctx->opcode)) { 13576 case OPC_DAPPEND: 13577 if (sa != 0) { 13578 tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], sa, 64 - sa); 13579 } 13580 break; 13581 case OPC_PREPENDD: 13582 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], 0x20 | sa); 13583 tcg_gen_shli_tl(t0, t0, 64 - (0x20 | sa)); 13584 tcg_gen_or_tl(cpu_gpr[rt], t0, t0); 13585 break; 13586 case OPC_PREPENDW: 13587 if (sa != 0) { 13588 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], sa); 13589 tcg_gen_shli_tl(t0, t0, 64 - sa); 13590 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0); 13591 } 13592 break; 13593 case OPC_DBALIGN: 13594 sa &= 7; 13595 if (sa != 0 && sa != 2 && sa != 4) { 13596 tcg_gen_shli_tl(cpu_gpr[rt], cpu_gpr[rt], 8 * sa); 13597 tcg_gen_shri_tl(t0, t0, 8 * (8 - sa)); 13598 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0); 13599 } 13600 break; 13601 default: /* Invalid */ 13602 MIPS_INVAL("MASK DAPPEND"); 13603 gen_reserved_instruction(ctx); 13604 break; 13605 } 13606 break; 13607 #endif 13608 } 13609 tcg_temp_free(t0); 13610 } 13611 13612 static void gen_mipsdsp_accinsn(DisasContext *ctx, uint32_t op1, uint32_t op2, 13613 int ret, int v1, int v2, int check_ret) 13614 13615 { 13616 TCGv t0; 13617 TCGv t1; 13618 TCGv v1_t; 13619 int16_t imm; 13620 13621 if ((ret == 0) && (check_ret == 1)) { 13622 /* Treat as NOP. */ 13623 return; 13624 } 13625 13626 t0 = tcg_temp_new(); 13627 t1 = tcg_temp_new(); 13628 v1_t = tcg_temp_new(); 13629 13630 gen_load_gpr(v1_t, v1); 13631 13632 switch (op1) { 13633 case OPC_EXTR_W_DSP: 13634 check_dsp(ctx); 13635 switch (op2) { 13636 case OPC_EXTR_W: 13637 tcg_gen_movi_tl(t0, v2); 13638 tcg_gen_movi_tl(t1, v1); 13639 gen_helper_extr_w(cpu_gpr[ret], t0, t1, cpu_env); 13640 break; 13641 case OPC_EXTR_R_W: 13642 tcg_gen_movi_tl(t0, v2); 13643 tcg_gen_movi_tl(t1, v1); 13644 gen_helper_extr_r_w(cpu_gpr[ret], t0, t1, cpu_env); 13645 break; 13646 case OPC_EXTR_RS_W: 13647 tcg_gen_movi_tl(t0, v2); 13648 tcg_gen_movi_tl(t1, v1); 13649 gen_helper_extr_rs_w(cpu_gpr[ret], t0, t1, cpu_env); 13650 break; 13651 case OPC_EXTR_S_H: 13652 tcg_gen_movi_tl(t0, v2); 13653 tcg_gen_movi_tl(t1, v1); 13654 gen_helper_extr_s_h(cpu_gpr[ret], t0, t1, cpu_env); 13655 break; 13656 case OPC_EXTRV_S_H: 13657 tcg_gen_movi_tl(t0, v2); 13658 gen_helper_extr_s_h(cpu_gpr[ret], t0, v1_t, cpu_env); 13659 break; 13660 case OPC_EXTRV_W: 13661 tcg_gen_movi_tl(t0, v2); 13662 gen_helper_extr_w(cpu_gpr[ret], t0, v1_t, cpu_env); 13663 break; 13664 case OPC_EXTRV_R_W: 13665 tcg_gen_movi_tl(t0, v2); 13666 gen_helper_extr_r_w(cpu_gpr[ret], t0, v1_t, cpu_env); 13667 break; 13668 case OPC_EXTRV_RS_W: 13669 tcg_gen_movi_tl(t0, v2); 13670 gen_helper_extr_rs_w(cpu_gpr[ret], t0, v1_t, cpu_env); 13671 break; 13672 case OPC_EXTP: 13673 tcg_gen_movi_tl(t0, v2); 13674 tcg_gen_movi_tl(t1, v1); 13675 gen_helper_extp(cpu_gpr[ret], t0, t1, cpu_env); 13676 break; 13677 case OPC_EXTPV: 13678 tcg_gen_movi_tl(t0, v2); 13679 gen_helper_extp(cpu_gpr[ret], t0, v1_t, cpu_env); 13680 break; 13681 case OPC_EXTPDP: 13682 tcg_gen_movi_tl(t0, v2); 13683 tcg_gen_movi_tl(t1, v1); 13684 gen_helper_extpdp(cpu_gpr[ret], t0, t1, cpu_env); 13685 break; 13686 case OPC_EXTPDPV: 13687 tcg_gen_movi_tl(t0, v2); 13688 gen_helper_extpdp(cpu_gpr[ret], t0, v1_t, cpu_env); 13689 break; 13690 case OPC_SHILO: 13691 imm = (ctx->opcode >> 20) & 0x3F; 13692 tcg_gen_movi_tl(t0, ret); 13693 tcg_gen_movi_tl(t1, imm); 13694 gen_helper_shilo(t0, t1, cpu_env); 13695 break; 13696 case OPC_SHILOV: 13697 tcg_gen_movi_tl(t0, ret); 13698 gen_helper_shilo(t0, v1_t, cpu_env); 13699 break; 13700 case OPC_MTHLIP: 13701 tcg_gen_movi_tl(t0, ret); 13702 gen_helper_mthlip(t0, v1_t, cpu_env); 13703 break; 13704 case OPC_WRDSP: 13705 imm = (ctx->opcode >> 11) & 0x3FF; 13706 tcg_gen_movi_tl(t0, imm); 13707 gen_helper_wrdsp(v1_t, t0, cpu_env); 13708 break; 13709 case OPC_RDDSP: 13710 imm = (ctx->opcode >> 16) & 0x03FF; 13711 tcg_gen_movi_tl(t0, imm); 13712 gen_helper_rddsp(cpu_gpr[ret], t0, cpu_env); 13713 break; 13714 } 13715 break; 13716 #ifdef TARGET_MIPS64 13717 case OPC_DEXTR_W_DSP: 13718 check_dsp(ctx); 13719 switch (op2) { 13720 case OPC_DMTHLIP: 13721 tcg_gen_movi_tl(t0, ret); 13722 gen_helper_dmthlip(v1_t, t0, cpu_env); 13723 break; 13724 case OPC_DSHILO: 13725 { 13726 int shift = (ctx->opcode >> 19) & 0x7F; 13727 int ac = (ctx->opcode >> 11) & 0x03; 13728 tcg_gen_movi_tl(t0, shift); 13729 tcg_gen_movi_tl(t1, ac); 13730 gen_helper_dshilo(t0, t1, cpu_env); 13731 break; 13732 } 13733 case OPC_DSHILOV: 13734 { 13735 int ac = (ctx->opcode >> 11) & 0x03; 13736 tcg_gen_movi_tl(t0, ac); 13737 gen_helper_dshilo(v1_t, t0, cpu_env); 13738 break; 13739 } 13740 case OPC_DEXTP: 13741 tcg_gen_movi_tl(t0, v2); 13742 tcg_gen_movi_tl(t1, v1); 13743 13744 gen_helper_dextp(cpu_gpr[ret], t0, t1, cpu_env); 13745 break; 13746 case OPC_DEXTPV: 13747 tcg_gen_movi_tl(t0, v2); 13748 gen_helper_dextp(cpu_gpr[ret], t0, v1_t, cpu_env); 13749 break; 13750 case OPC_DEXTPDP: 13751 tcg_gen_movi_tl(t0, v2); 13752 tcg_gen_movi_tl(t1, v1); 13753 gen_helper_dextpdp(cpu_gpr[ret], t0, t1, cpu_env); 13754 break; 13755 case OPC_DEXTPDPV: 13756 tcg_gen_movi_tl(t0, v2); 13757 gen_helper_dextpdp(cpu_gpr[ret], t0, v1_t, cpu_env); 13758 break; 13759 case OPC_DEXTR_L: 13760 tcg_gen_movi_tl(t0, v2); 13761 tcg_gen_movi_tl(t1, v1); 13762 gen_helper_dextr_l(cpu_gpr[ret], t0, t1, cpu_env); 13763 break; 13764 case OPC_DEXTR_R_L: 13765 tcg_gen_movi_tl(t0, v2); 13766 tcg_gen_movi_tl(t1, v1); 13767 gen_helper_dextr_r_l(cpu_gpr[ret], t0, t1, cpu_env); 13768 break; 13769 case OPC_DEXTR_RS_L: 13770 tcg_gen_movi_tl(t0, v2); 13771 tcg_gen_movi_tl(t1, v1); 13772 gen_helper_dextr_rs_l(cpu_gpr[ret], t0, t1, cpu_env); 13773 break; 13774 case OPC_DEXTR_W: 13775 tcg_gen_movi_tl(t0, v2); 13776 tcg_gen_movi_tl(t1, v1); 13777 gen_helper_dextr_w(cpu_gpr[ret], t0, t1, cpu_env); 13778 break; 13779 case OPC_DEXTR_R_W: 13780 tcg_gen_movi_tl(t0, v2); 13781 tcg_gen_movi_tl(t1, v1); 13782 gen_helper_dextr_r_w(cpu_gpr[ret], t0, t1, cpu_env); 13783 break; 13784 case OPC_DEXTR_RS_W: 13785 tcg_gen_movi_tl(t0, v2); 13786 tcg_gen_movi_tl(t1, v1); 13787 gen_helper_dextr_rs_w(cpu_gpr[ret], t0, t1, cpu_env); 13788 break; 13789 case OPC_DEXTR_S_H: 13790 tcg_gen_movi_tl(t0, v2); 13791 tcg_gen_movi_tl(t1, v1); 13792 gen_helper_dextr_s_h(cpu_gpr[ret], t0, t1, cpu_env); 13793 break; 13794 case OPC_DEXTRV_S_H: 13795 tcg_gen_movi_tl(t0, v2); 13796 gen_helper_dextr_s_h(cpu_gpr[ret], t0, v1_t, cpu_env); 13797 break; 13798 case OPC_DEXTRV_L: 13799 tcg_gen_movi_tl(t0, v2); 13800 gen_helper_dextr_l(cpu_gpr[ret], t0, v1_t, cpu_env); 13801 break; 13802 case OPC_DEXTRV_R_L: 13803 tcg_gen_movi_tl(t0, v2); 13804 gen_helper_dextr_r_l(cpu_gpr[ret], t0, v1_t, cpu_env); 13805 break; 13806 case OPC_DEXTRV_RS_L: 13807 tcg_gen_movi_tl(t0, v2); 13808 gen_helper_dextr_rs_l(cpu_gpr[ret], t0, v1_t, cpu_env); 13809 break; 13810 case OPC_DEXTRV_W: 13811 tcg_gen_movi_tl(t0, v2); 13812 gen_helper_dextr_w(cpu_gpr[ret], t0, v1_t, cpu_env); 13813 break; 13814 case OPC_DEXTRV_R_W: 13815 tcg_gen_movi_tl(t0, v2); 13816 gen_helper_dextr_r_w(cpu_gpr[ret], t0, v1_t, cpu_env); 13817 break; 13818 case OPC_DEXTRV_RS_W: 13819 tcg_gen_movi_tl(t0, v2); 13820 gen_helper_dextr_rs_w(cpu_gpr[ret], t0, v1_t, cpu_env); 13821 break; 13822 } 13823 break; 13824 #endif 13825 } 13826 13827 tcg_temp_free(t0); 13828 tcg_temp_free(t1); 13829 tcg_temp_free(v1_t); 13830 } 13831 13832 /* End MIPSDSP functions. */ 13833 13834 static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx) 13835 { 13836 int rs, rt, rd, sa; 13837 uint32_t op1, op2; 13838 13839 rs = (ctx->opcode >> 21) & 0x1f; 13840 rt = (ctx->opcode >> 16) & 0x1f; 13841 rd = (ctx->opcode >> 11) & 0x1f; 13842 sa = (ctx->opcode >> 6) & 0x1f; 13843 13844 op1 = MASK_SPECIAL(ctx->opcode); 13845 switch (op1) { 13846 case OPC_MULT: 13847 case OPC_MULTU: 13848 case OPC_DIV: 13849 case OPC_DIVU: 13850 op2 = MASK_R6_MULDIV(ctx->opcode); 13851 switch (op2) { 13852 case R6_OPC_MUL: 13853 case R6_OPC_MUH: 13854 case R6_OPC_MULU: 13855 case R6_OPC_MUHU: 13856 case R6_OPC_DIV: 13857 case R6_OPC_MOD: 13858 case R6_OPC_DIVU: 13859 case R6_OPC_MODU: 13860 gen_r6_muldiv(ctx, op2, rd, rs, rt); 13861 break; 13862 default: 13863 MIPS_INVAL("special_r6 muldiv"); 13864 gen_reserved_instruction(ctx); 13865 break; 13866 } 13867 break; 13868 case OPC_SELEQZ: 13869 case OPC_SELNEZ: 13870 gen_cond_move(ctx, op1, rd, rs, rt); 13871 break; 13872 case R6_OPC_CLO: 13873 case R6_OPC_CLZ: 13874 if (rt == 0 && sa == 1) { 13875 /* 13876 * Major opcode and function field is shared with preR6 MFHI/MTHI. 13877 * We need additionally to check other fields. 13878 */ 13879 gen_cl(ctx, op1, rd, rs); 13880 } else { 13881 gen_reserved_instruction(ctx); 13882 } 13883 break; 13884 case R6_OPC_SDBBP: 13885 if (is_uhi(extract32(ctx->opcode, 6, 20))) { 13886 gen_helper_do_semihosting(cpu_env); 13887 } else { 13888 if (ctx->hflags & MIPS_HFLAG_SBRI) { 13889 gen_reserved_instruction(ctx); 13890 } else { 13891 generate_exception_end(ctx, EXCP_DBp); 13892 } 13893 } 13894 break; 13895 #if defined(TARGET_MIPS64) 13896 case R6_OPC_DCLO: 13897 case R6_OPC_DCLZ: 13898 if (rt == 0 && sa == 1) { 13899 /* 13900 * Major opcode and function field is shared with preR6 MFHI/MTHI. 13901 * We need additionally to check other fields. 13902 */ 13903 check_mips_64(ctx); 13904 gen_cl(ctx, op1, rd, rs); 13905 } else { 13906 gen_reserved_instruction(ctx); 13907 } 13908 break; 13909 case OPC_DMULT: 13910 case OPC_DMULTU: 13911 case OPC_DDIV: 13912 case OPC_DDIVU: 13913 13914 op2 = MASK_R6_MULDIV(ctx->opcode); 13915 switch (op2) { 13916 case R6_OPC_DMUL: 13917 case R6_OPC_DMUH: 13918 case R6_OPC_DMULU: 13919 case R6_OPC_DMUHU: 13920 case R6_OPC_DDIV: 13921 case R6_OPC_DMOD: 13922 case R6_OPC_DDIVU: 13923 case R6_OPC_DMODU: 13924 check_mips_64(ctx); 13925 gen_r6_muldiv(ctx, op2, rd, rs, rt); 13926 break; 13927 default: 13928 MIPS_INVAL("special_r6 muldiv"); 13929 gen_reserved_instruction(ctx); 13930 break; 13931 } 13932 break; 13933 #endif 13934 default: /* Invalid */ 13935 MIPS_INVAL("special_r6"); 13936 gen_reserved_instruction(ctx); 13937 break; 13938 } 13939 } 13940 13941 static void decode_opc_special_tx79(CPUMIPSState *env, DisasContext *ctx) 13942 { 13943 int rs = extract32(ctx->opcode, 21, 5); 13944 int rt = extract32(ctx->opcode, 16, 5); 13945 int rd = extract32(ctx->opcode, 11, 5); 13946 uint32_t op1 = MASK_SPECIAL(ctx->opcode); 13947 13948 switch (op1) { 13949 case OPC_MOVN: /* Conditional move */ 13950 case OPC_MOVZ: 13951 gen_cond_move(ctx, op1, rd, rs, rt); 13952 break; 13953 case OPC_MFHI: /* Move from HI/LO */ 13954 case OPC_MFLO: 13955 gen_HILO(ctx, op1, 0, rd); 13956 break; 13957 case OPC_MTHI: 13958 case OPC_MTLO: /* Move to HI/LO */ 13959 gen_HILO(ctx, op1, 0, rs); 13960 break; 13961 case OPC_MULT: 13962 case OPC_MULTU: 13963 gen_mul_txx9(ctx, op1, rd, rs, rt); 13964 break; 13965 case OPC_DIV: 13966 case OPC_DIVU: 13967 gen_muldiv(ctx, op1, 0, rs, rt); 13968 break; 13969 #if defined(TARGET_MIPS64) 13970 case OPC_DMULT: 13971 case OPC_DMULTU: 13972 case OPC_DDIV: 13973 case OPC_DDIVU: 13974 check_insn_opc_user_only(ctx, INSN_R5900); 13975 gen_muldiv(ctx, op1, 0, rs, rt); 13976 break; 13977 #endif 13978 case OPC_JR: 13979 gen_compute_branch(ctx, op1, 4, rs, 0, 0, 4); 13980 break; 13981 default: /* Invalid */ 13982 MIPS_INVAL("special_tx79"); 13983 gen_reserved_instruction(ctx); 13984 break; 13985 } 13986 } 13987 13988 static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx) 13989 { 13990 int rs, rt, rd; 13991 uint32_t op1; 13992 13993 rs = (ctx->opcode >> 21) & 0x1f; 13994 rt = (ctx->opcode >> 16) & 0x1f; 13995 rd = (ctx->opcode >> 11) & 0x1f; 13996 13997 op1 = MASK_SPECIAL(ctx->opcode); 13998 switch (op1) { 13999 case OPC_MOVN: /* Conditional move */ 14000 case OPC_MOVZ: 14001 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1 | 14002 INSN_LOONGSON2E | INSN_LOONGSON2F); 14003 gen_cond_move(ctx, op1, rd, rs, rt); 14004 break; 14005 case OPC_MFHI: /* Move from HI/LO */ 14006 case OPC_MFLO: 14007 gen_HILO(ctx, op1, rs & 3, rd); 14008 break; 14009 case OPC_MTHI: 14010 case OPC_MTLO: /* Move to HI/LO */ 14011 gen_HILO(ctx, op1, rd & 3, rs); 14012 break; 14013 case OPC_MOVCI: 14014 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1); 14015 if (env->CP0_Config1 & (1 << CP0C1_FP)) { 14016 check_cp1_enabled(ctx); 14017 gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7, 14018 (ctx->opcode >> 16) & 1); 14019 } else { 14020 generate_exception_err(ctx, EXCP_CpU, 1); 14021 } 14022 break; 14023 case OPC_MULT: 14024 case OPC_MULTU: 14025 gen_muldiv(ctx, op1, rd & 3, rs, rt); 14026 break; 14027 case OPC_DIV: 14028 case OPC_DIVU: 14029 gen_muldiv(ctx, op1, 0, rs, rt); 14030 break; 14031 #if defined(TARGET_MIPS64) 14032 case OPC_DMULT: 14033 case OPC_DMULTU: 14034 case OPC_DDIV: 14035 case OPC_DDIVU: 14036 check_insn(ctx, ISA_MIPS3); 14037 check_mips_64(ctx); 14038 gen_muldiv(ctx, op1, 0, rs, rt); 14039 break; 14040 #endif 14041 case OPC_JR: 14042 gen_compute_branch(ctx, op1, 4, rs, 0, 0, 4); 14043 break; 14044 case OPC_SPIM: 14045 #ifdef MIPS_STRICT_STANDARD 14046 MIPS_INVAL("SPIM"); 14047 gen_reserved_instruction(ctx); 14048 #else 14049 /* Implemented as RI exception for now. */ 14050 MIPS_INVAL("spim (unofficial)"); 14051 gen_reserved_instruction(ctx); 14052 #endif 14053 break; 14054 default: /* Invalid */ 14055 MIPS_INVAL("special_legacy"); 14056 gen_reserved_instruction(ctx); 14057 break; 14058 } 14059 } 14060 14061 static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx) 14062 { 14063 int rs, rt, rd, sa; 14064 uint32_t op1; 14065 14066 rs = (ctx->opcode >> 21) & 0x1f; 14067 rt = (ctx->opcode >> 16) & 0x1f; 14068 rd = (ctx->opcode >> 11) & 0x1f; 14069 sa = (ctx->opcode >> 6) & 0x1f; 14070 14071 op1 = MASK_SPECIAL(ctx->opcode); 14072 switch (op1) { 14073 case OPC_SLL: /* Shift with immediate */ 14074 if (sa == 5 && rd == 0 && 14075 rs == 0 && rt == 0) { /* PAUSE */ 14076 if ((ctx->insn_flags & ISA_MIPS_R6) && 14077 (ctx->hflags & MIPS_HFLAG_BMASK)) { 14078 gen_reserved_instruction(ctx); 14079 break; 14080 } 14081 } 14082 /* Fallthrough */ 14083 case OPC_SRA: 14084 gen_shift_imm(ctx, op1, rd, rt, sa); 14085 break; 14086 case OPC_SRL: 14087 switch ((ctx->opcode >> 21) & 0x1f) { 14088 case 1: 14089 /* rotr is decoded as srl on non-R2 CPUs */ 14090 if (ctx->insn_flags & ISA_MIPS_R2) { 14091 op1 = OPC_ROTR; 14092 } 14093 /* Fallthrough */ 14094 case 0: 14095 gen_shift_imm(ctx, op1, rd, rt, sa); 14096 break; 14097 default: 14098 gen_reserved_instruction(ctx); 14099 break; 14100 } 14101 break; 14102 case OPC_ADD: 14103 case OPC_ADDU: 14104 case OPC_SUB: 14105 case OPC_SUBU: 14106 gen_arith(ctx, op1, rd, rs, rt); 14107 break; 14108 case OPC_SLLV: /* Shifts */ 14109 case OPC_SRAV: 14110 gen_shift(ctx, op1, rd, rs, rt); 14111 break; 14112 case OPC_SRLV: 14113 switch ((ctx->opcode >> 6) & 0x1f) { 14114 case 1: 14115 /* rotrv is decoded as srlv on non-R2 CPUs */ 14116 if (ctx->insn_flags & ISA_MIPS_R2) { 14117 op1 = OPC_ROTRV; 14118 } 14119 /* Fallthrough */ 14120 case 0: 14121 gen_shift(ctx, op1, rd, rs, rt); 14122 break; 14123 default: 14124 gen_reserved_instruction(ctx); 14125 break; 14126 } 14127 break; 14128 case OPC_SLT: /* Set on less than */ 14129 case OPC_SLTU: 14130 gen_slt(ctx, op1, rd, rs, rt); 14131 break; 14132 case OPC_AND: /* Logic*/ 14133 case OPC_OR: 14134 case OPC_NOR: 14135 case OPC_XOR: 14136 gen_logic(ctx, op1, rd, rs, rt); 14137 break; 14138 case OPC_JALR: 14139 gen_compute_branch(ctx, op1, 4, rs, rd, sa, 4); 14140 break; 14141 case OPC_TGE: /* Traps */ 14142 case OPC_TGEU: 14143 case OPC_TLT: 14144 case OPC_TLTU: 14145 case OPC_TEQ: 14146 case OPC_TNE: 14147 check_insn(ctx, ISA_MIPS2); 14148 gen_trap(ctx, op1, rs, rt, -1); 14149 break; 14150 case OPC_PMON: 14151 /* Pmon entry point, also R4010 selsl */ 14152 #ifdef MIPS_STRICT_STANDARD 14153 MIPS_INVAL("PMON / selsl"); 14154 gen_reserved_instruction(ctx); 14155 #else 14156 gen_helper_pmon(cpu_env, tcg_constant_i32(sa)); 14157 #endif 14158 break; 14159 case OPC_SYSCALL: 14160 generate_exception_end(ctx, EXCP_SYSCALL); 14161 break; 14162 case OPC_BREAK: 14163 generate_exception_end(ctx, EXCP_BREAK); 14164 break; 14165 case OPC_SYNC: 14166 check_insn(ctx, ISA_MIPS2); 14167 gen_sync(extract32(ctx->opcode, 6, 5)); 14168 break; 14169 14170 #if defined(TARGET_MIPS64) 14171 /* MIPS64 specific opcodes */ 14172 case OPC_DSLL: 14173 case OPC_DSRA: 14174 case OPC_DSLL32: 14175 case OPC_DSRA32: 14176 check_insn(ctx, ISA_MIPS3); 14177 check_mips_64(ctx); 14178 gen_shift_imm(ctx, op1, rd, rt, sa); 14179 break; 14180 case OPC_DSRL: 14181 switch ((ctx->opcode >> 21) & 0x1f) { 14182 case 1: 14183 /* drotr is decoded as dsrl on non-R2 CPUs */ 14184 if (ctx->insn_flags & ISA_MIPS_R2) { 14185 op1 = OPC_DROTR; 14186 } 14187 /* Fallthrough */ 14188 case 0: 14189 check_insn(ctx, ISA_MIPS3); 14190 check_mips_64(ctx); 14191 gen_shift_imm(ctx, op1, rd, rt, sa); 14192 break; 14193 default: 14194 gen_reserved_instruction(ctx); 14195 break; 14196 } 14197 break; 14198 case OPC_DSRL32: 14199 switch ((ctx->opcode >> 21) & 0x1f) { 14200 case 1: 14201 /* drotr32 is decoded as dsrl32 on non-R2 CPUs */ 14202 if (ctx->insn_flags & ISA_MIPS_R2) { 14203 op1 = OPC_DROTR32; 14204 } 14205 /* Fallthrough */ 14206 case 0: 14207 check_insn(ctx, ISA_MIPS3); 14208 check_mips_64(ctx); 14209 gen_shift_imm(ctx, op1, rd, rt, sa); 14210 break; 14211 default: 14212 gen_reserved_instruction(ctx); 14213 break; 14214 } 14215 break; 14216 case OPC_DADD: 14217 case OPC_DADDU: 14218 case OPC_DSUB: 14219 case OPC_DSUBU: 14220 check_insn(ctx, ISA_MIPS3); 14221 check_mips_64(ctx); 14222 gen_arith(ctx, op1, rd, rs, rt); 14223 break; 14224 case OPC_DSLLV: 14225 case OPC_DSRAV: 14226 check_insn(ctx, ISA_MIPS3); 14227 check_mips_64(ctx); 14228 gen_shift(ctx, op1, rd, rs, rt); 14229 break; 14230 case OPC_DSRLV: 14231 switch ((ctx->opcode >> 6) & 0x1f) { 14232 case 1: 14233 /* drotrv is decoded as dsrlv on non-R2 CPUs */ 14234 if (ctx->insn_flags & ISA_MIPS_R2) { 14235 op1 = OPC_DROTRV; 14236 } 14237 /* Fallthrough */ 14238 case 0: 14239 check_insn(ctx, ISA_MIPS3); 14240 check_mips_64(ctx); 14241 gen_shift(ctx, op1, rd, rs, rt); 14242 break; 14243 default: 14244 gen_reserved_instruction(ctx); 14245 break; 14246 } 14247 break; 14248 #endif 14249 default: 14250 if (ctx->insn_flags & ISA_MIPS_R6) { 14251 decode_opc_special_r6(env, ctx); 14252 } else if (ctx->insn_flags & INSN_R5900) { 14253 decode_opc_special_tx79(env, ctx); 14254 } else { 14255 decode_opc_special_legacy(env, ctx); 14256 } 14257 } 14258 } 14259 14260 14261 static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx) 14262 { 14263 int rs, rt, rd; 14264 uint32_t op1; 14265 14266 rs = (ctx->opcode >> 21) & 0x1f; 14267 rt = (ctx->opcode >> 16) & 0x1f; 14268 rd = (ctx->opcode >> 11) & 0x1f; 14269 14270 op1 = MASK_SPECIAL2(ctx->opcode); 14271 switch (op1) { 14272 case OPC_MADD: /* Multiply and add/sub */ 14273 case OPC_MADDU: 14274 case OPC_MSUB: 14275 case OPC_MSUBU: 14276 check_insn(ctx, ISA_MIPS_R1); 14277 gen_muldiv(ctx, op1, rd & 3, rs, rt); 14278 break; 14279 case OPC_MUL: 14280 gen_arith(ctx, op1, rd, rs, rt); 14281 break; 14282 case OPC_DIV_G_2F: 14283 case OPC_DIVU_G_2F: 14284 case OPC_MULT_G_2F: 14285 case OPC_MULTU_G_2F: 14286 case OPC_MOD_G_2F: 14287 case OPC_MODU_G_2F: 14288 check_insn(ctx, INSN_LOONGSON2F | ASE_LEXT); 14289 gen_loongson_integer(ctx, op1, rd, rs, rt); 14290 break; 14291 case OPC_CLO: 14292 case OPC_CLZ: 14293 check_insn(ctx, ISA_MIPS_R1); 14294 gen_cl(ctx, op1, rd, rs); 14295 break; 14296 case OPC_SDBBP: 14297 if (is_uhi(extract32(ctx->opcode, 6, 20))) { 14298 gen_helper_do_semihosting(cpu_env); 14299 } else { 14300 /* 14301 * XXX: not clear which exception should be raised 14302 * when in debug mode... 14303 */ 14304 check_insn(ctx, ISA_MIPS_R1); 14305 generate_exception_end(ctx, EXCP_DBp); 14306 } 14307 break; 14308 #if defined(TARGET_MIPS64) 14309 case OPC_DCLO: 14310 case OPC_DCLZ: 14311 check_insn(ctx, ISA_MIPS_R1); 14312 check_mips_64(ctx); 14313 gen_cl(ctx, op1, rd, rs); 14314 break; 14315 case OPC_DMULT_G_2F: 14316 case OPC_DMULTU_G_2F: 14317 case OPC_DDIV_G_2F: 14318 case OPC_DDIVU_G_2F: 14319 case OPC_DMOD_G_2F: 14320 case OPC_DMODU_G_2F: 14321 check_insn(ctx, INSN_LOONGSON2F | ASE_LEXT); 14322 gen_loongson_integer(ctx, op1, rd, rs, rt); 14323 break; 14324 #endif 14325 default: /* Invalid */ 14326 MIPS_INVAL("special2_legacy"); 14327 gen_reserved_instruction(ctx); 14328 break; 14329 } 14330 } 14331 14332 static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx) 14333 { 14334 int rs, rt, rd, sa; 14335 uint32_t op1, op2; 14336 int16_t imm; 14337 14338 rs = (ctx->opcode >> 21) & 0x1f; 14339 rt = (ctx->opcode >> 16) & 0x1f; 14340 rd = (ctx->opcode >> 11) & 0x1f; 14341 sa = (ctx->opcode >> 6) & 0x1f; 14342 imm = (int16_t)ctx->opcode >> 7; 14343 14344 op1 = MASK_SPECIAL3(ctx->opcode); 14345 switch (op1) { 14346 case R6_OPC_PREF: 14347 if (rt >= 24) { 14348 /* hint codes 24-31 are reserved and signal RI */ 14349 gen_reserved_instruction(ctx); 14350 } 14351 /* Treat as NOP. */ 14352 break; 14353 case R6_OPC_CACHE: 14354 check_cp0_enabled(ctx); 14355 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) { 14356 gen_cache_operation(ctx, rt, rs, imm); 14357 } 14358 break; 14359 case R6_OPC_SC: 14360 gen_st_cond(ctx, rt, rs, imm, MO_TESL, false); 14361 break; 14362 case R6_OPC_LL: 14363 gen_ld(ctx, op1, rt, rs, imm); 14364 break; 14365 case OPC_BSHFL: 14366 { 14367 if (rd == 0) { 14368 /* Treat as NOP. */ 14369 break; 14370 } 14371 op2 = MASK_BSHFL(ctx->opcode); 14372 switch (op2) { 14373 case OPC_ALIGN: 14374 case OPC_ALIGN_1: 14375 case OPC_ALIGN_2: 14376 case OPC_ALIGN_3: 14377 gen_align(ctx, 32, rd, rs, rt, sa & 3); 14378 break; 14379 case OPC_BITSWAP: 14380 gen_bitswap(ctx, op2, rd, rt); 14381 break; 14382 } 14383 } 14384 break; 14385 #ifndef CONFIG_USER_ONLY 14386 case OPC_GINV: 14387 if (unlikely(ctx->gi <= 1)) { 14388 gen_reserved_instruction(ctx); 14389 } 14390 check_cp0_enabled(ctx); 14391 switch ((ctx->opcode >> 6) & 3) { 14392 case 0: /* GINVI */ 14393 /* Treat as NOP. */ 14394 break; 14395 case 2: /* GINVT */ 14396 gen_helper_0e1i(ginvt, cpu_gpr[rs], extract32(ctx->opcode, 8, 2)); 14397 break; 14398 default: 14399 gen_reserved_instruction(ctx); 14400 break; 14401 } 14402 break; 14403 #endif 14404 #if defined(TARGET_MIPS64) 14405 case R6_OPC_SCD: 14406 gen_st_cond(ctx, rt, rs, imm, MO_TEQ, false); 14407 break; 14408 case R6_OPC_LLD: 14409 gen_ld(ctx, op1, rt, rs, imm); 14410 break; 14411 case OPC_DBSHFL: 14412 check_mips_64(ctx); 14413 { 14414 if (rd == 0) { 14415 /* Treat as NOP. */ 14416 break; 14417 } 14418 op2 = MASK_DBSHFL(ctx->opcode); 14419 switch (op2) { 14420 case OPC_DALIGN: 14421 case OPC_DALIGN_1: 14422 case OPC_DALIGN_2: 14423 case OPC_DALIGN_3: 14424 case OPC_DALIGN_4: 14425 case OPC_DALIGN_5: 14426 case OPC_DALIGN_6: 14427 case OPC_DALIGN_7: 14428 gen_align(ctx, 64, rd, rs, rt, sa & 7); 14429 break; 14430 case OPC_DBITSWAP: 14431 gen_bitswap(ctx, op2, rd, rt); 14432 break; 14433 } 14434 14435 } 14436 break; 14437 #endif 14438 default: /* Invalid */ 14439 MIPS_INVAL("special3_r6"); 14440 gen_reserved_instruction(ctx); 14441 break; 14442 } 14443 } 14444 14445 static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx) 14446 { 14447 int rs, rt, rd; 14448 uint32_t op1, op2; 14449 14450 rs = (ctx->opcode >> 21) & 0x1f; 14451 rt = (ctx->opcode >> 16) & 0x1f; 14452 rd = (ctx->opcode >> 11) & 0x1f; 14453 14454 op1 = MASK_SPECIAL3(ctx->opcode); 14455 switch (op1) { 14456 case OPC_DIV_G_2E: 14457 case OPC_DIVU_G_2E: 14458 case OPC_MOD_G_2E: 14459 case OPC_MODU_G_2E: 14460 case OPC_MULT_G_2E: 14461 case OPC_MULTU_G_2E: 14462 /* 14463 * OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have 14464 * the same mask and op1. 14465 */ 14466 if ((ctx->insn_flags & ASE_DSP_R2) && (op1 == OPC_MULT_G_2E)) { 14467 op2 = MASK_ADDUH_QB(ctx->opcode); 14468 switch (op2) { 14469 case OPC_ADDUH_QB: 14470 case OPC_ADDUH_R_QB: 14471 case OPC_ADDQH_PH: 14472 case OPC_ADDQH_R_PH: 14473 case OPC_ADDQH_W: 14474 case OPC_ADDQH_R_W: 14475 case OPC_SUBUH_QB: 14476 case OPC_SUBUH_R_QB: 14477 case OPC_SUBQH_PH: 14478 case OPC_SUBQH_R_PH: 14479 case OPC_SUBQH_W: 14480 case OPC_SUBQH_R_W: 14481 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 14482 break; 14483 case OPC_MUL_PH: 14484 case OPC_MUL_S_PH: 14485 case OPC_MULQ_S_W: 14486 case OPC_MULQ_RS_W: 14487 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1); 14488 break; 14489 default: 14490 MIPS_INVAL("MASK ADDUH.QB"); 14491 gen_reserved_instruction(ctx); 14492 break; 14493 } 14494 } else if (ctx->insn_flags & INSN_LOONGSON2E) { 14495 gen_loongson_integer(ctx, op1, rd, rs, rt); 14496 } else { 14497 gen_reserved_instruction(ctx); 14498 } 14499 break; 14500 case OPC_LX_DSP: 14501 op2 = MASK_LX(ctx->opcode); 14502 switch (op2) { 14503 #if defined(TARGET_MIPS64) 14504 case OPC_LDX: 14505 #endif 14506 case OPC_LBUX: 14507 case OPC_LHX: 14508 case OPC_LWX: 14509 gen_mipsdsp_ld(ctx, op2, rd, rs, rt); 14510 break; 14511 default: /* Invalid */ 14512 MIPS_INVAL("MASK LX"); 14513 gen_reserved_instruction(ctx); 14514 break; 14515 } 14516 break; 14517 case OPC_ABSQ_S_PH_DSP: 14518 op2 = MASK_ABSQ_S_PH(ctx->opcode); 14519 switch (op2) { 14520 case OPC_ABSQ_S_QB: 14521 case OPC_ABSQ_S_PH: 14522 case OPC_ABSQ_S_W: 14523 case OPC_PRECEQ_W_PHL: 14524 case OPC_PRECEQ_W_PHR: 14525 case OPC_PRECEQU_PH_QBL: 14526 case OPC_PRECEQU_PH_QBR: 14527 case OPC_PRECEQU_PH_QBLA: 14528 case OPC_PRECEQU_PH_QBRA: 14529 case OPC_PRECEU_PH_QBL: 14530 case OPC_PRECEU_PH_QBR: 14531 case OPC_PRECEU_PH_QBLA: 14532 case OPC_PRECEU_PH_QBRA: 14533 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 14534 break; 14535 case OPC_BITREV: 14536 case OPC_REPL_QB: 14537 case OPC_REPLV_QB: 14538 case OPC_REPL_PH: 14539 case OPC_REPLV_PH: 14540 gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt); 14541 break; 14542 default: 14543 MIPS_INVAL("MASK ABSQ_S.PH"); 14544 gen_reserved_instruction(ctx); 14545 break; 14546 } 14547 break; 14548 case OPC_ADDU_QB_DSP: 14549 op2 = MASK_ADDU_QB(ctx->opcode); 14550 switch (op2) { 14551 case OPC_ADDQ_PH: 14552 case OPC_ADDQ_S_PH: 14553 case OPC_ADDQ_S_W: 14554 case OPC_ADDU_QB: 14555 case OPC_ADDU_S_QB: 14556 case OPC_ADDU_PH: 14557 case OPC_ADDU_S_PH: 14558 case OPC_SUBQ_PH: 14559 case OPC_SUBQ_S_PH: 14560 case OPC_SUBQ_S_W: 14561 case OPC_SUBU_QB: 14562 case OPC_SUBU_S_QB: 14563 case OPC_SUBU_PH: 14564 case OPC_SUBU_S_PH: 14565 case OPC_ADDSC: 14566 case OPC_ADDWC: 14567 case OPC_MODSUB: 14568 case OPC_RADDU_W_QB: 14569 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 14570 break; 14571 case OPC_MULEU_S_PH_QBL: 14572 case OPC_MULEU_S_PH_QBR: 14573 case OPC_MULQ_RS_PH: 14574 case OPC_MULEQ_S_W_PHL: 14575 case OPC_MULEQ_S_W_PHR: 14576 case OPC_MULQ_S_PH: 14577 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1); 14578 break; 14579 default: /* Invalid */ 14580 MIPS_INVAL("MASK ADDU.QB"); 14581 gen_reserved_instruction(ctx); 14582 break; 14583 14584 } 14585 break; 14586 case OPC_CMPU_EQ_QB_DSP: 14587 op2 = MASK_CMPU_EQ_QB(ctx->opcode); 14588 switch (op2) { 14589 case OPC_PRECR_SRA_PH_W: 14590 case OPC_PRECR_SRA_R_PH_W: 14591 gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd); 14592 break; 14593 case OPC_PRECR_QB_PH: 14594 case OPC_PRECRQ_QB_PH: 14595 case OPC_PRECRQ_PH_W: 14596 case OPC_PRECRQ_RS_PH_W: 14597 case OPC_PRECRQU_S_QB_PH: 14598 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 14599 break; 14600 case OPC_CMPU_EQ_QB: 14601 case OPC_CMPU_LT_QB: 14602 case OPC_CMPU_LE_QB: 14603 case OPC_CMP_EQ_PH: 14604 case OPC_CMP_LT_PH: 14605 case OPC_CMP_LE_PH: 14606 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0); 14607 break; 14608 case OPC_CMPGU_EQ_QB: 14609 case OPC_CMPGU_LT_QB: 14610 case OPC_CMPGU_LE_QB: 14611 case OPC_CMPGDU_EQ_QB: 14612 case OPC_CMPGDU_LT_QB: 14613 case OPC_CMPGDU_LE_QB: 14614 case OPC_PICK_QB: 14615 case OPC_PICK_PH: 14616 case OPC_PACKRL_PH: 14617 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1); 14618 break; 14619 default: /* Invalid */ 14620 MIPS_INVAL("MASK CMPU.EQ.QB"); 14621 gen_reserved_instruction(ctx); 14622 break; 14623 } 14624 break; 14625 case OPC_SHLL_QB_DSP: 14626 gen_mipsdsp_shift(ctx, op1, rd, rs, rt); 14627 break; 14628 case OPC_DPA_W_PH_DSP: 14629 op2 = MASK_DPA_W_PH(ctx->opcode); 14630 switch (op2) { 14631 case OPC_DPAU_H_QBL: 14632 case OPC_DPAU_H_QBR: 14633 case OPC_DPSU_H_QBL: 14634 case OPC_DPSU_H_QBR: 14635 case OPC_DPA_W_PH: 14636 case OPC_DPAX_W_PH: 14637 case OPC_DPAQ_S_W_PH: 14638 case OPC_DPAQX_S_W_PH: 14639 case OPC_DPAQX_SA_W_PH: 14640 case OPC_DPS_W_PH: 14641 case OPC_DPSX_W_PH: 14642 case OPC_DPSQ_S_W_PH: 14643 case OPC_DPSQX_S_W_PH: 14644 case OPC_DPSQX_SA_W_PH: 14645 case OPC_MULSAQ_S_W_PH: 14646 case OPC_DPAQ_SA_L_W: 14647 case OPC_DPSQ_SA_L_W: 14648 case OPC_MAQ_S_W_PHL: 14649 case OPC_MAQ_S_W_PHR: 14650 case OPC_MAQ_SA_W_PHL: 14651 case OPC_MAQ_SA_W_PHR: 14652 case OPC_MULSA_W_PH: 14653 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0); 14654 break; 14655 default: /* Invalid */ 14656 MIPS_INVAL("MASK DPAW.PH"); 14657 gen_reserved_instruction(ctx); 14658 break; 14659 } 14660 break; 14661 case OPC_INSV_DSP: 14662 op2 = MASK_INSV(ctx->opcode); 14663 switch (op2) { 14664 case OPC_INSV: 14665 check_dsp(ctx); 14666 { 14667 TCGv t0, t1; 14668 14669 if (rt == 0) { 14670 break; 14671 } 14672 14673 t0 = tcg_temp_new(); 14674 t1 = tcg_temp_new(); 14675 14676 gen_load_gpr(t0, rt); 14677 gen_load_gpr(t1, rs); 14678 14679 gen_helper_insv(cpu_gpr[rt], cpu_env, t1, t0); 14680 14681 tcg_temp_free(t0); 14682 tcg_temp_free(t1); 14683 break; 14684 } 14685 default: /* Invalid */ 14686 MIPS_INVAL("MASK INSV"); 14687 gen_reserved_instruction(ctx); 14688 break; 14689 } 14690 break; 14691 case OPC_APPEND_DSP: 14692 gen_mipsdsp_append(env, ctx, op1, rt, rs, rd); 14693 break; 14694 case OPC_EXTR_W_DSP: 14695 op2 = MASK_EXTR_W(ctx->opcode); 14696 switch (op2) { 14697 case OPC_EXTR_W: 14698 case OPC_EXTR_R_W: 14699 case OPC_EXTR_RS_W: 14700 case OPC_EXTR_S_H: 14701 case OPC_EXTRV_S_H: 14702 case OPC_EXTRV_W: 14703 case OPC_EXTRV_R_W: 14704 case OPC_EXTRV_RS_W: 14705 case OPC_EXTP: 14706 case OPC_EXTPV: 14707 case OPC_EXTPDP: 14708 case OPC_EXTPDPV: 14709 gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1); 14710 break; 14711 case OPC_RDDSP: 14712 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 1); 14713 break; 14714 case OPC_SHILO: 14715 case OPC_SHILOV: 14716 case OPC_MTHLIP: 14717 case OPC_WRDSP: 14718 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0); 14719 break; 14720 default: /* Invalid */ 14721 MIPS_INVAL("MASK EXTR.W"); 14722 gen_reserved_instruction(ctx); 14723 break; 14724 } 14725 break; 14726 #if defined(TARGET_MIPS64) 14727 case OPC_DDIV_G_2E: 14728 case OPC_DDIVU_G_2E: 14729 case OPC_DMULT_G_2E: 14730 case OPC_DMULTU_G_2E: 14731 case OPC_DMOD_G_2E: 14732 case OPC_DMODU_G_2E: 14733 check_insn(ctx, INSN_LOONGSON2E); 14734 gen_loongson_integer(ctx, op1, rd, rs, rt); 14735 break; 14736 case OPC_ABSQ_S_QH_DSP: 14737 op2 = MASK_ABSQ_S_QH(ctx->opcode); 14738 switch (op2) { 14739 case OPC_PRECEQ_L_PWL: 14740 case OPC_PRECEQ_L_PWR: 14741 case OPC_PRECEQ_PW_QHL: 14742 case OPC_PRECEQ_PW_QHR: 14743 case OPC_PRECEQ_PW_QHLA: 14744 case OPC_PRECEQ_PW_QHRA: 14745 case OPC_PRECEQU_QH_OBL: 14746 case OPC_PRECEQU_QH_OBR: 14747 case OPC_PRECEQU_QH_OBLA: 14748 case OPC_PRECEQU_QH_OBRA: 14749 case OPC_PRECEU_QH_OBL: 14750 case OPC_PRECEU_QH_OBR: 14751 case OPC_PRECEU_QH_OBLA: 14752 case OPC_PRECEU_QH_OBRA: 14753 case OPC_ABSQ_S_OB: 14754 case OPC_ABSQ_S_PW: 14755 case OPC_ABSQ_S_QH: 14756 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 14757 break; 14758 case OPC_REPL_OB: 14759 case OPC_REPL_PW: 14760 case OPC_REPL_QH: 14761 case OPC_REPLV_OB: 14762 case OPC_REPLV_PW: 14763 case OPC_REPLV_QH: 14764 gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt); 14765 break; 14766 default: /* Invalid */ 14767 MIPS_INVAL("MASK ABSQ_S.QH"); 14768 gen_reserved_instruction(ctx); 14769 break; 14770 } 14771 break; 14772 case OPC_ADDU_OB_DSP: 14773 op2 = MASK_ADDU_OB(ctx->opcode); 14774 switch (op2) { 14775 case OPC_RADDU_L_OB: 14776 case OPC_SUBQ_PW: 14777 case OPC_SUBQ_S_PW: 14778 case OPC_SUBQ_QH: 14779 case OPC_SUBQ_S_QH: 14780 case OPC_SUBU_OB: 14781 case OPC_SUBU_S_OB: 14782 case OPC_SUBU_QH: 14783 case OPC_SUBU_S_QH: 14784 case OPC_SUBUH_OB: 14785 case OPC_SUBUH_R_OB: 14786 case OPC_ADDQ_PW: 14787 case OPC_ADDQ_S_PW: 14788 case OPC_ADDQ_QH: 14789 case OPC_ADDQ_S_QH: 14790 case OPC_ADDU_OB: 14791 case OPC_ADDU_S_OB: 14792 case OPC_ADDU_QH: 14793 case OPC_ADDU_S_QH: 14794 case OPC_ADDUH_OB: 14795 case OPC_ADDUH_R_OB: 14796 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 14797 break; 14798 case OPC_MULEQ_S_PW_QHL: 14799 case OPC_MULEQ_S_PW_QHR: 14800 case OPC_MULEU_S_QH_OBL: 14801 case OPC_MULEU_S_QH_OBR: 14802 case OPC_MULQ_RS_QH: 14803 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1); 14804 break; 14805 default: /* Invalid */ 14806 MIPS_INVAL("MASK ADDU.OB"); 14807 gen_reserved_instruction(ctx); 14808 break; 14809 } 14810 break; 14811 case OPC_CMPU_EQ_OB_DSP: 14812 op2 = MASK_CMPU_EQ_OB(ctx->opcode); 14813 switch (op2) { 14814 case OPC_PRECR_SRA_QH_PW: 14815 case OPC_PRECR_SRA_R_QH_PW: 14816 /* Return value is rt. */ 14817 gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd); 14818 break; 14819 case OPC_PRECR_OB_QH: 14820 case OPC_PRECRQ_OB_QH: 14821 case OPC_PRECRQ_PW_L: 14822 case OPC_PRECRQ_QH_PW: 14823 case OPC_PRECRQ_RS_QH_PW: 14824 case OPC_PRECRQU_S_OB_QH: 14825 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 14826 break; 14827 case OPC_CMPU_EQ_OB: 14828 case OPC_CMPU_LT_OB: 14829 case OPC_CMPU_LE_OB: 14830 case OPC_CMP_EQ_QH: 14831 case OPC_CMP_LT_QH: 14832 case OPC_CMP_LE_QH: 14833 case OPC_CMP_EQ_PW: 14834 case OPC_CMP_LT_PW: 14835 case OPC_CMP_LE_PW: 14836 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0); 14837 break; 14838 case OPC_CMPGDU_EQ_OB: 14839 case OPC_CMPGDU_LT_OB: 14840 case OPC_CMPGDU_LE_OB: 14841 case OPC_CMPGU_EQ_OB: 14842 case OPC_CMPGU_LT_OB: 14843 case OPC_CMPGU_LE_OB: 14844 case OPC_PACKRL_PW: 14845 case OPC_PICK_OB: 14846 case OPC_PICK_PW: 14847 case OPC_PICK_QH: 14848 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1); 14849 break; 14850 default: /* Invalid */ 14851 MIPS_INVAL("MASK CMPU_EQ.OB"); 14852 gen_reserved_instruction(ctx); 14853 break; 14854 } 14855 break; 14856 case OPC_DAPPEND_DSP: 14857 gen_mipsdsp_append(env, ctx, op1, rt, rs, rd); 14858 break; 14859 case OPC_DEXTR_W_DSP: 14860 op2 = MASK_DEXTR_W(ctx->opcode); 14861 switch (op2) { 14862 case OPC_DEXTP: 14863 case OPC_DEXTPDP: 14864 case OPC_DEXTPDPV: 14865 case OPC_DEXTPV: 14866 case OPC_DEXTR_L: 14867 case OPC_DEXTR_R_L: 14868 case OPC_DEXTR_RS_L: 14869 case OPC_DEXTR_W: 14870 case OPC_DEXTR_R_W: 14871 case OPC_DEXTR_RS_W: 14872 case OPC_DEXTR_S_H: 14873 case OPC_DEXTRV_L: 14874 case OPC_DEXTRV_R_L: 14875 case OPC_DEXTRV_RS_L: 14876 case OPC_DEXTRV_S_H: 14877 case OPC_DEXTRV_W: 14878 case OPC_DEXTRV_R_W: 14879 case OPC_DEXTRV_RS_W: 14880 gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1); 14881 break; 14882 case OPC_DMTHLIP: 14883 case OPC_DSHILO: 14884 case OPC_DSHILOV: 14885 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0); 14886 break; 14887 default: /* Invalid */ 14888 MIPS_INVAL("MASK EXTR.W"); 14889 gen_reserved_instruction(ctx); 14890 break; 14891 } 14892 break; 14893 case OPC_DPAQ_W_QH_DSP: 14894 op2 = MASK_DPAQ_W_QH(ctx->opcode); 14895 switch (op2) { 14896 case OPC_DPAU_H_OBL: 14897 case OPC_DPAU_H_OBR: 14898 case OPC_DPSU_H_OBL: 14899 case OPC_DPSU_H_OBR: 14900 case OPC_DPA_W_QH: 14901 case OPC_DPAQ_S_W_QH: 14902 case OPC_DPS_W_QH: 14903 case OPC_DPSQ_S_W_QH: 14904 case OPC_MULSAQ_S_W_QH: 14905 case OPC_DPAQ_SA_L_PW: 14906 case OPC_DPSQ_SA_L_PW: 14907 case OPC_MULSAQ_S_L_PW: 14908 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0); 14909 break; 14910 case OPC_MAQ_S_W_QHLL: 14911 case OPC_MAQ_S_W_QHLR: 14912 case OPC_MAQ_S_W_QHRL: 14913 case OPC_MAQ_S_W_QHRR: 14914 case OPC_MAQ_SA_W_QHLL: 14915 case OPC_MAQ_SA_W_QHLR: 14916 case OPC_MAQ_SA_W_QHRL: 14917 case OPC_MAQ_SA_W_QHRR: 14918 case OPC_MAQ_S_L_PWL: 14919 case OPC_MAQ_S_L_PWR: 14920 case OPC_DMADD: 14921 case OPC_DMADDU: 14922 case OPC_DMSUB: 14923 case OPC_DMSUBU: 14924 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0); 14925 break; 14926 default: /* Invalid */ 14927 MIPS_INVAL("MASK DPAQ.W.QH"); 14928 gen_reserved_instruction(ctx); 14929 break; 14930 } 14931 break; 14932 case OPC_DINSV_DSP: 14933 op2 = MASK_INSV(ctx->opcode); 14934 switch (op2) { 14935 case OPC_DINSV: 14936 { 14937 TCGv t0, t1; 14938 14939 check_dsp(ctx); 14940 14941 if (rt == 0) { 14942 break; 14943 } 14944 14945 t0 = tcg_temp_new(); 14946 t1 = tcg_temp_new(); 14947 14948 gen_load_gpr(t0, rt); 14949 gen_load_gpr(t1, rs); 14950 14951 gen_helper_dinsv(cpu_gpr[rt], cpu_env, t1, t0); 14952 14953 tcg_temp_free(t0); 14954 tcg_temp_free(t1); 14955 break; 14956 } 14957 default: /* Invalid */ 14958 MIPS_INVAL("MASK DINSV"); 14959 gen_reserved_instruction(ctx); 14960 break; 14961 } 14962 break; 14963 case OPC_SHLL_OB_DSP: 14964 gen_mipsdsp_shift(ctx, op1, rd, rs, rt); 14965 break; 14966 #endif 14967 default: /* Invalid */ 14968 MIPS_INVAL("special3_legacy"); 14969 gen_reserved_instruction(ctx); 14970 break; 14971 } 14972 } 14973 14974 14975 #if defined(TARGET_MIPS64) 14976 14977 static void decode_mmi(CPUMIPSState *env, DisasContext *ctx) 14978 { 14979 uint32_t opc = MASK_MMI(ctx->opcode); 14980 int rs = extract32(ctx->opcode, 21, 5); 14981 int rt = extract32(ctx->opcode, 16, 5); 14982 int rd = extract32(ctx->opcode, 11, 5); 14983 14984 switch (opc) { 14985 case MMI_OPC_MULT1: 14986 case MMI_OPC_MULTU1: 14987 case MMI_OPC_MADD: 14988 case MMI_OPC_MADDU: 14989 case MMI_OPC_MADD1: 14990 case MMI_OPC_MADDU1: 14991 gen_mul_txx9(ctx, opc, rd, rs, rt); 14992 break; 14993 case MMI_OPC_DIV1: 14994 case MMI_OPC_DIVU1: 14995 gen_div1_tx79(ctx, opc, rs, rt); 14996 break; 14997 default: 14998 MIPS_INVAL("TX79 MMI class"); 14999 gen_reserved_instruction(ctx); 15000 break; 15001 } 15002 } 15003 15004 static void gen_mmi_sq(DisasContext *ctx, int base, int rt, int offset) 15005 { 15006 gen_reserved_instruction(ctx); /* TODO: MMI_OPC_SQ */ 15007 } 15008 15009 /* 15010 * The TX79-specific instruction Store Quadword 15011 * 15012 * +--------+-------+-------+------------------------+ 15013 * | 011111 | base | rt | offset | SQ 15014 * +--------+-------+-------+------------------------+ 15015 * 6 5 5 16 15016 * 15017 * has the same opcode as the Read Hardware Register instruction 15018 * 15019 * +--------+-------+-------+-------+-------+--------+ 15020 * | 011111 | 00000 | rt | rd | 00000 | 111011 | RDHWR 15021 * +--------+-------+-------+-------+-------+--------+ 15022 * 6 5 5 5 5 6 15023 * 15024 * that is required, trapped and emulated by the Linux kernel. However, all 15025 * RDHWR encodings yield address error exceptions on the TX79 since the SQ 15026 * offset is odd. Therefore all valid SQ instructions can execute normally. 15027 * In user mode, QEMU must verify the upper and lower 11 bits to distinguish 15028 * between SQ and RDHWR, as the Linux kernel does. 15029 */ 15030 static void decode_mmi_sq(CPUMIPSState *env, DisasContext *ctx) 15031 { 15032 int base = extract32(ctx->opcode, 21, 5); 15033 int rt = extract32(ctx->opcode, 16, 5); 15034 int offset = extract32(ctx->opcode, 0, 16); 15035 15036 #ifdef CONFIG_USER_ONLY 15037 uint32_t op1 = MASK_SPECIAL3(ctx->opcode); 15038 uint32_t op2 = extract32(ctx->opcode, 6, 5); 15039 15040 if (base == 0 && op2 == 0 && op1 == OPC_RDHWR) { 15041 int rd = extract32(ctx->opcode, 11, 5); 15042 15043 gen_rdhwr(ctx, rt, rd, 0); 15044 return; 15045 } 15046 #endif 15047 15048 gen_mmi_sq(ctx, base, rt, offset); 15049 } 15050 15051 #endif 15052 15053 static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx) 15054 { 15055 int rs, rt, rd, sa; 15056 uint32_t op1, op2; 15057 int16_t imm; 15058 15059 rs = (ctx->opcode >> 21) & 0x1f; 15060 rt = (ctx->opcode >> 16) & 0x1f; 15061 rd = (ctx->opcode >> 11) & 0x1f; 15062 sa = (ctx->opcode >> 6) & 0x1f; 15063 imm = sextract32(ctx->opcode, 7, 9); 15064 15065 op1 = MASK_SPECIAL3(ctx->opcode); 15066 15067 /* 15068 * EVA loads and stores overlap Loongson 2E instructions decoded by 15069 * decode_opc_special3_legacy(), so be careful to allow their decoding when 15070 * EVA is absent. 15071 */ 15072 if (ctx->eva) { 15073 switch (op1) { 15074 case OPC_LWLE: 15075 case OPC_LWRE: 15076 case OPC_LBUE: 15077 case OPC_LHUE: 15078 case OPC_LBE: 15079 case OPC_LHE: 15080 case OPC_LLE: 15081 case OPC_LWE: 15082 check_cp0_enabled(ctx); 15083 gen_ld(ctx, op1, rt, rs, imm); 15084 return; 15085 case OPC_SWLE: 15086 case OPC_SWRE: 15087 case OPC_SBE: 15088 case OPC_SHE: 15089 case OPC_SWE: 15090 check_cp0_enabled(ctx); 15091 gen_st(ctx, op1, rt, rs, imm); 15092 return; 15093 case OPC_SCE: 15094 check_cp0_enabled(ctx); 15095 gen_st_cond(ctx, rt, rs, imm, MO_TESL, true); 15096 return; 15097 case OPC_CACHEE: 15098 check_eva(ctx); 15099 check_cp0_enabled(ctx); 15100 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) { 15101 gen_cache_operation(ctx, rt, rs, imm); 15102 } 15103 return; 15104 case OPC_PREFE: 15105 check_cp0_enabled(ctx); 15106 /* Treat as NOP. */ 15107 return; 15108 } 15109 } 15110 15111 switch (op1) { 15112 case OPC_EXT: 15113 case OPC_INS: 15114 check_insn(ctx, ISA_MIPS_R2); 15115 gen_bitops(ctx, op1, rt, rs, sa, rd); 15116 break; 15117 case OPC_BSHFL: 15118 op2 = MASK_BSHFL(ctx->opcode); 15119 switch (op2) { 15120 case OPC_ALIGN: 15121 case OPC_ALIGN_1: 15122 case OPC_ALIGN_2: 15123 case OPC_ALIGN_3: 15124 case OPC_BITSWAP: 15125 check_insn(ctx, ISA_MIPS_R6); 15126 decode_opc_special3_r6(env, ctx); 15127 break; 15128 default: 15129 check_insn(ctx, ISA_MIPS_R2); 15130 gen_bshfl(ctx, op2, rt, rd); 15131 break; 15132 } 15133 break; 15134 #if defined(TARGET_MIPS64) 15135 case OPC_DEXTM: 15136 case OPC_DEXTU: 15137 case OPC_DEXT: 15138 case OPC_DINSM: 15139 case OPC_DINSU: 15140 case OPC_DINS: 15141 check_insn(ctx, ISA_MIPS_R2); 15142 check_mips_64(ctx); 15143 gen_bitops(ctx, op1, rt, rs, sa, rd); 15144 break; 15145 case OPC_DBSHFL: 15146 op2 = MASK_DBSHFL(ctx->opcode); 15147 switch (op2) { 15148 case OPC_DALIGN: 15149 case OPC_DALIGN_1: 15150 case OPC_DALIGN_2: 15151 case OPC_DALIGN_3: 15152 case OPC_DALIGN_4: 15153 case OPC_DALIGN_5: 15154 case OPC_DALIGN_6: 15155 case OPC_DALIGN_7: 15156 case OPC_DBITSWAP: 15157 check_insn(ctx, ISA_MIPS_R6); 15158 decode_opc_special3_r6(env, ctx); 15159 break; 15160 default: 15161 check_insn(ctx, ISA_MIPS_R2); 15162 check_mips_64(ctx); 15163 op2 = MASK_DBSHFL(ctx->opcode); 15164 gen_bshfl(ctx, op2, rt, rd); 15165 break; 15166 } 15167 break; 15168 #endif 15169 case OPC_RDHWR: 15170 gen_rdhwr(ctx, rt, rd, extract32(ctx->opcode, 6, 3)); 15171 break; 15172 case OPC_FORK: 15173 check_mt(ctx); 15174 { 15175 TCGv t0 = tcg_temp_new(); 15176 TCGv t1 = tcg_temp_new(); 15177 15178 gen_load_gpr(t0, rt); 15179 gen_load_gpr(t1, rs); 15180 gen_helper_fork(t0, t1); 15181 tcg_temp_free(t0); 15182 tcg_temp_free(t1); 15183 } 15184 break; 15185 case OPC_YIELD: 15186 check_mt(ctx); 15187 { 15188 TCGv t0 = tcg_temp_new(); 15189 15190 gen_load_gpr(t0, rs); 15191 gen_helper_yield(t0, cpu_env, t0); 15192 gen_store_gpr(t0, rd); 15193 tcg_temp_free(t0); 15194 } 15195 break; 15196 default: 15197 if (ctx->insn_flags & ISA_MIPS_R6) { 15198 decode_opc_special3_r6(env, ctx); 15199 } else { 15200 decode_opc_special3_legacy(env, ctx); 15201 } 15202 } 15203 } 15204 15205 static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) 15206 { 15207 int32_t offset; 15208 int rs, rt, rd, sa; 15209 uint32_t op, op1; 15210 int16_t imm; 15211 15212 op = MASK_OP_MAJOR(ctx->opcode); 15213 rs = (ctx->opcode >> 21) & 0x1f; 15214 rt = (ctx->opcode >> 16) & 0x1f; 15215 rd = (ctx->opcode >> 11) & 0x1f; 15216 sa = (ctx->opcode >> 6) & 0x1f; 15217 imm = (int16_t)ctx->opcode; 15218 switch (op) { 15219 case OPC_SPECIAL: 15220 decode_opc_special(env, ctx); 15221 break; 15222 case OPC_SPECIAL2: 15223 #if defined(TARGET_MIPS64) 15224 if ((ctx->insn_flags & INSN_R5900) && (ctx->insn_flags & ASE_MMI)) { 15225 decode_mmi(env, ctx); 15226 break; 15227 } 15228 #endif 15229 if (TARGET_LONG_BITS == 32 && (ctx->insn_flags & ASE_MXU)) { 15230 if (MASK_SPECIAL2(ctx->opcode) == OPC_MUL) { 15231 gen_arith(ctx, OPC_MUL, rd, rs, rt); 15232 } else { 15233 decode_ase_mxu(ctx, ctx->opcode); 15234 } 15235 break; 15236 } 15237 decode_opc_special2_legacy(env, ctx); 15238 break; 15239 case OPC_SPECIAL3: 15240 #if defined(TARGET_MIPS64) 15241 if (ctx->insn_flags & INSN_R5900) { 15242 decode_mmi_sq(env, ctx); /* MMI_OPC_SQ */ 15243 } else { 15244 decode_opc_special3(env, ctx); 15245 } 15246 #else 15247 decode_opc_special3(env, ctx); 15248 #endif 15249 break; 15250 case OPC_REGIMM: 15251 op1 = MASK_REGIMM(ctx->opcode); 15252 switch (op1) { 15253 case OPC_BLTZL: /* REGIMM branches */ 15254 case OPC_BGEZL: 15255 case OPC_BLTZALL: 15256 case OPC_BGEZALL: 15257 check_insn(ctx, ISA_MIPS2); 15258 check_insn_opc_removed(ctx, ISA_MIPS_R6); 15259 /* Fallthrough */ 15260 case OPC_BLTZ: 15261 case OPC_BGEZ: 15262 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4); 15263 break; 15264 case OPC_BLTZAL: 15265 case OPC_BGEZAL: 15266 if (ctx->insn_flags & ISA_MIPS_R6) { 15267 if (rs == 0) { 15268 /* OPC_NAL, OPC_BAL */ 15269 gen_compute_branch(ctx, op1, 4, 0, -1, imm << 2, 4); 15270 } else { 15271 gen_reserved_instruction(ctx); 15272 } 15273 } else { 15274 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4); 15275 } 15276 break; 15277 case OPC_TGEI: /* REGIMM traps */ 15278 case OPC_TGEIU: 15279 case OPC_TLTI: 15280 case OPC_TLTIU: 15281 case OPC_TEQI: 15282 15283 case OPC_TNEI: 15284 check_insn(ctx, ISA_MIPS2); 15285 check_insn_opc_removed(ctx, ISA_MIPS_R6); 15286 gen_trap(ctx, op1, rs, -1, imm); 15287 break; 15288 case OPC_SIGRIE: 15289 check_insn(ctx, ISA_MIPS_R6); 15290 gen_reserved_instruction(ctx); 15291 break; 15292 case OPC_SYNCI: 15293 check_insn(ctx, ISA_MIPS_R2); 15294 /* 15295 * Break the TB to be able to sync copied instructions 15296 * immediately. 15297 */ 15298 ctx->base.is_jmp = DISAS_STOP; 15299 break; 15300 case OPC_BPOSGE32: /* MIPS DSP branch */ 15301 #if defined(TARGET_MIPS64) 15302 case OPC_BPOSGE64: 15303 #endif 15304 check_dsp(ctx); 15305 gen_compute_branch(ctx, op1, 4, -1, -2, (int32_t)imm << 2, 4); 15306 break; 15307 #if defined(TARGET_MIPS64) 15308 case OPC_DAHI: 15309 check_insn(ctx, ISA_MIPS_R6); 15310 check_mips_64(ctx); 15311 if (rs != 0) { 15312 tcg_gen_addi_tl(cpu_gpr[rs], cpu_gpr[rs], (int64_t)imm << 32); 15313 } 15314 break; 15315 case OPC_DATI: 15316 check_insn(ctx, ISA_MIPS_R6); 15317 check_mips_64(ctx); 15318 if (rs != 0) { 15319 tcg_gen_addi_tl(cpu_gpr[rs], cpu_gpr[rs], (int64_t)imm << 48); 15320 } 15321 break; 15322 #endif 15323 default: /* Invalid */ 15324 MIPS_INVAL("regimm"); 15325 gen_reserved_instruction(ctx); 15326 break; 15327 } 15328 break; 15329 case OPC_CP0: 15330 check_cp0_enabled(ctx); 15331 op1 = MASK_CP0(ctx->opcode); 15332 switch (op1) { 15333 case OPC_MFC0: 15334 case OPC_MTC0: 15335 case OPC_MFTR: 15336 case OPC_MTTR: 15337 case OPC_MFHC0: 15338 case OPC_MTHC0: 15339 #if defined(TARGET_MIPS64) 15340 case OPC_DMFC0: 15341 case OPC_DMTC0: 15342 #endif 15343 #ifndef CONFIG_USER_ONLY 15344 gen_cp0(env, ctx, op1, rt, rd); 15345 #endif /* !CONFIG_USER_ONLY */ 15346 break; 15347 case OPC_C0: 15348 case OPC_C0_1: 15349 case OPC_C0_2: 15350 case OPC_C0_3: 15351 case OPC_C0_4: 15352 case OPC_C0_5: 15353 case OPC_C0_6: 15354 case OPC_C0_7: 15355 case OPC_C0_8: 15356 case OPC_C0_9: 15357 case OPC_C0_A: 15358 case OPC_C0_B: 15359 case OPC_C0_C: 15360 case OPC_C0_D: 15361 case OPC_C0_E: 15362 case OPC_C0_F: 15363 #ifndef CONFIG_USER_ONLY 15364 gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd); 15365 #endif /* !CONFIG_USER_ONLY */ 15366 break; 15367 case OPC_MFMC0: 15368 #ifndef CONFIG_USER_ONLY 15369 { 15370 uint32_t op2; 15371 TCGv t0 = tcg_temp_new(); 15372 15373 op2 = MASK_MFMC0(ctx->opcode); 15374 switch (op2) { 15375 case OPC_DMT: 15376 check_cp0_mt(ctx); 15377 gen_helper_dmt(t0); 15378 gen_store_gpr(t0, rt); 15379 break; 15380 case OPC_EMT: 15381 check_cp0_mt(ctx); 15382 gen_helper_emt(t0); 15383 gen_store_gpr(t0, rt); 15384 break; 15385 case OPC_DVPE: 15386 check_cp0_mt(ctx); 15387 gen_helper_dvpe(t0, cpu_env); 15388 gen_store_gpr(t0, rt); 15389 break; 15390 case OPC_EVPE: 15391 check_cp0_mt(ctx); 15392 gen_helper_evpe(t0, cpu_env); 15393 gen_store_gpr(t0, rt); 15394 break; 15395 case OPC_DVP: 15396 check_insn(ctx, ISA_MIPS_R6); 15397 if (ctx->vp) { 15398 gen_helper_dvp(t0, cpu_env); 15399 gen_store_gpr(t0, rt); 15400 } 15401 break; 15402 case OPC_EVP: 15403 check_insn(ctx, ISA_MIPS_R6); 15404 if (ctx->vp) { 15405 gen_helper_evp(t0, cpu_env); 15406 gen_store_gpr(t0, rt); 15407 } 15408 break; 15409 case OPC_DI: 15410 check_insn(ctx, ISA_MIPS_R2); 15411 save_cpu_state(ctx, 1); 15412 gen_helper_di(t0, cpu_env); 15413 gen_store_gpr(t0, rt); 15414 /* 15415 * Stop translation as we may have switched 15416 * the execution mode. 15417 */ 15418 ctx->base.is_jmp = DISAS_STOP; 15419 break; 15420 case OPC_EI: 15421 check_insn(ctx, ISA_MIPS_R2); 15422 save_cpu_state(ctx, 1); 15423 gen_helper_ei(t0, cpu_env); 15424 gen_store_gpr(t0, rt); 15425 /* 15426 * DISAS_STOP isn't sufficient, we need to ensure we break 15427 * out of translated code to check for pending interrupts. 15428 */ 15429 gen_save_pc(ctx->base.pc_next + 4); 15430 ctx->base.is_jmp = DISAS_EXIT; 15431 break; 15432 default: /* Invalid */ 15433 MIPS_INVAL("mfmc0"); 15434 gen_reserved_instruction(ctx); 15435 break; 15436 } 15437 tcg_temp_free(t0); 15438 } 15439 #endif /* !CONFIG_USER_ONLY */ 15440 break; 15441 case OPC_RDPGPR: 15442 check_insn(ctx, ISA_MIPS_R2); 15443 gen_load_srsgpr(rt, rd); 15444 break; 15445 case OPC_WRPGPR: 15446 check_insn(ctx, ISA_MIPS_R2); 15447 gen_store_srsgpr(rt, rd); 15448 break; 15449 default: 15450 MIPS_INVAL("cp0"); 15451 gen_reserved_instruction(ctx); 15452 break; 15453 } 15454 break; 15455 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC, OPC_ADDI */ 15456 if (ctx->insn_flags & ISA_MIPS_R6) { 15457 /* OPC_BOVC, OPC_BEQZALC, OPC_BEQC */ 15458 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 15459 } else { 15460 /* OPC_ADDI */ 15461 /* Arithmetic with immediate opcode */ 15462 gen_arith_imm(ctx, op, rt, rs, imm); 15463 } 15464 break; 15465 case OPC_ADDIU: 15466 gen_arith_imm(ctx, op, rt, rs, imm); 15467 break; 15468 case OPC_SLTI: /* Set on less than with immediate opcode */ 15469 case OPC_SLTIU: 15470 gen_slt_imm(ctx, op, rt, rs, imm); 15471 break; 15472 case OPC_ANDI: /* Arithmetic with immediate opcode */ 15473 case OPC_LUI: /* OPC_AUI */ 15474 case OPC_ORI: 15475 case OPC_XORI: 15476 gen_logic_imm(ctx, op, rt, rs, imm); 15477 break; 15478 case OPC_J: /* Jump */ 15479 case OPC_JAL: 15480 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; 15481 gen_compute_branch(ctx, op, 4, rs, rt, offset, 4); 15482 break; 15483 /* Branch */ 15484 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC, OPC_BLEZL */ 15485 if (ctx->insn_flags & ISA_MIPS_R6) { 15486 if (rt == 0) { 15487 gen_reserved_instruction(ctx); 15488 break; 15489 } 15490 /* OPC_BLEZC, OPC_BGEZC, OPC_BGEC */ 15491 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 15492 } else { 15493 /* OPC_BLEZL */ 15494 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 15495 } 15496 break; 15497 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC, OPC_BGTZL */ 15498 if (ctx->insn_flags & ISA_MIPS_R6) { 15499 if (rt == 0) { 15500 gen_reserved_instruction(ctx); 15501 break; 15502 } 15503 /* OPC_BGTZC, OPC_BLTZC, OPC_BLTC */ 15504 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 15505 } else { 15506 /* OPC_BGTZL */ 15507 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 15508 } 15509 break; 15510 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC, OPC_BLEZ */ 15511 if (rt == 0) { 15512 /* OPC_BLEZ */ 15513 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 15514 } else { 15515 check_insn(ctx, ISA_MIPS_R6); 15516 /* OPC_BLEZALC, OPC_BGEZALC, OPC_BGEUC */ 15517 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 15518 } 15519 break; 15520 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC, OPC_BGTZ */ 15521 if (rt == 0) { 15522 /* OPC_BGTZ */ 15523 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 15524 } else { 15525 check_insn(ctx, ISA_MIPS_R6); 15526 /* OPC_BGTZALC, OPC_BLTZALC, OPC_BLTUC */ 15527 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 15528 } 15529 break; 15530 case OPC_BEQL: 15531 case OPC_BNEL: 15532 check_insn(ctx, ISA_MIPS2); 15533 check_insn_opc_removed(ctx, ISA_MIPS_R6); 15534 /* Fallthrough */ 15535 case OPC_BEQ: 15536 case OPC_BNE: 15537 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 15538 break; 15539 case OPC_LL: /* Load and stores */ 15540 check_insn(ctx, ISA_MIPS2); 15541 if (ctx->insn_flags & INSN_R5900) { 15542 check_insn_opc_user_only(ctx, INSN_R5900); 15543 } 15544 /* Fallthrough */ 15545 case OPC_LWL: 15546 case OPC_LWR: 15547 case OPC_LB: 15548 case OPC_LH: 15549 case OPC_LW: 15550 case OPC_LWPC: 15551 case OPC_LBU: 15552 case OPC_LHU: 15553 gen_ld(ctx, op, rt, rs, imm); 15554 break; 15555 case OPC_SWL: 15556 case OPC_SWR: 15557 case OPC_SB: 15558 case OPC_SH: 15559 case OPC_SW: 15560 gen_st(ctx, op, rt, rs, imm); 15561 break; 15562 case OPC_SC: 15563 check_insn(ctx, ISA_MIPS2); 15564 if (ctx->insn_flags & INSN_R5900) { 15565 check_insn_opc_user_only(ctx, INSN_R5900); 15566 } 15567 gen_st_cond(ctx, rt, rs, imm, MO_TESL, false); 15568 break; 15569 case OPC_CACHE: 15570 check_cp0_enabled(ctx); 15571 check_insn(ctx, ISA_MIPS3 | ISA_MIPS_R1); 15572 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) { 15573 gen_cache_operation(ctx, rt, rs, imm); 15574 } 15575 /* Treat as NOP. */ 15576 break; 15577 case OPC_PREF: 15578 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1 | INSN_R5900); 15579 /* Treat as NOP. */ 15580 break; 15581 15582 /* Floating point (COP1). */ 15583 case OPC_LWC1: 15584 case OPC_LDC1: 15585 case OPC_SWC1: 15586 case OPC_SDC1: 15587 gen_cop1_ldst(ctx, op, rt, rs, imm); 15588 break; 15589 15590 case OPC_CP1: 15591 op1 = MASK_CP1(ctx->opcode); 15592 15593 switch (op1) { 15594 case OPC_MFHC1: 15595 case OPC_MTHC1: 15596 check_cp1_enabled(ctx); 15597 check_insn(ctx, ISA_MIPS_R2); 15598 /* fall through */ 15599 case OPC_MFC1: 15600 case OPC_CFC1: 15601 case OPC_MTC1: 15602 case OPC_CTC1: 15603 check_cp1_enabled(ctx); 15604 gen_cp1(ctx, op1, rt, rd); 15605 break; 15606 #if defined(TARGET_MIPS64) 15607 case OPC_DMFC1: 15608 case OPC_DMTC1: 15609 check_cp1_enabled(ctx); 15610 check_insn(ctx, ISA_MIPS3); 15611 check_mips_64(ctx); 15612 gen_cp1(ctx, op1, rt, rd); 15613 break; 15614 #endif 15615 case OPC_BC1EQZ: /* OPC_BC1ANY2 */ 15616 check_cp1_enabled(ctx); 15617 if (ctx->insn_flags & ISA_MIPS_R6) { 15618 /* OPC_BC1EQZ */ 15619 gen_compute_branch1_r6(ctx, MASK_CP1(ctx->opcode), 15620 rt, imm << 2, 4); 15621 } else { 15622 /* OPC_BC1ANY2 */ 15623 check_cop1x(ctx); 15624 check_insn(ctx, ASE_MIPS3D); 15625 gen_compute_branch1(ctx, MASK_BC1(ctx->opcode), 15626 (rt >> 2) & 0x7, imm << 2); 15627 } 15628 break; 15629 case OPC_BC1NEZ: 15630 check_cp1_enabled(ctx); 15631 check_insn(ctx, ISA_MIPS_R6); 15632 gen_compute_branch1_r6(ctx, MASK_CP1(ctx->opcode), 15633 rt, imm << 2, 4); 15634 break; 15635 case OPC_BC1ANY4: 15636 check_cp1_enabled(ctx); 15637 check_insn_opc_removed(ctx, ISA_MIPS_R6); 15638 check_cop1x(ctx); 15639 check_insn(ctx, ASE_MIPS3D); 15640 /* fall through */ 15641 case OPC_BC1: 15642 check_cp1_enabled(ctx); 15643 check_insn_opc_removed(ctx, ISA_MIPS_R6); 15644 gen_compute_branch1(ctx, MASK_BC1(ctx->opcode), 15645 (rt >> 2) & 0x7, imm << 2); 15646 break; 15647 case OPC_PS_FMT: 15648 check_ps(ctx); 15649 /* fall through */ 15650 case OPC_S_FMT: 15651 case OPC_D_FMT: 15652 check_cp1_enabled(ctx); 15653 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa, 15654 (imm >> 8) & 0x7); 15655 break; 15656 case OPC_W_FMT: 15657 case OPC_L_FMT: 15658 { 15659 int r6_op = ctx->opcode & FOP(0x3f, 0x1f); 15660 check_cp1_enabled(ctx); 15661 if (ctx->insn_flags & ISA_MIPS_R6) { 15662 switch (r6_op) { 15663 case R6_OPC_CMP_AF_S: 15664 case R6_OPC_CMP_UN_S: 15665 case R6_OPC_CMP_EQ_S: 15666 case R6_OPC_CMP_UEQ_S: 15667 case R6_OPC_CMP_LT_S: 15668 case R6_OPC_CMP_ULT_S: 15669 case R6_OPC_CMP_LE_S: 15670 case R6_OPC_CMP_ULE_S: 15671 case R6_OPC_CMP_SAF_S: 15672 case R6_OPC_CMP_SUN_S: 15673 case R6_OPC_CMP_SEQ_S: 15674 case R6_OPC_CMP_SEUQ_S: 15675 case R6_OPC_CMP_SLT_S: 15676 case R6_OPC_CMP_SULT_S: 15677 case R6_OPC_CMP_SLE_S: 15678 case R6_OPC_CMP_SULE_S: 15679 case R6_OPC_CMP_OR_S: 15680 case R6_OPC_CMP_UNE_S: 15681 case R6_OPC_CMP_NE_S: 15682 case R6_OPC_CMP_SOR_S: 15683 case R6_OPC_CMP_SUNE_S: 15684 case R6_OPC_CMP_SNE_S: 15685 gen_r6_cmp_s(ctx, ctx->opcode & 0x1f, rt, rd, sa); 15686 break; 15687 case R6_OPC_CMP_AF_D: 15688 case R6_OPC_CMP_UN_D: 15689 case R6_OPC_CMP_EQ_D: 15690 case R6_OPC_CMP_UEQ_D: 15691 case R6_OPC_CMP_LT_D: 15692 case R6_OPC_CMP_ULT_D: 15693 case R6_OPC_CMP_LE_D: 15694 case R6_OPC_CMP_ULE_D: 15695 case R6_OPC_CMP_SAF_D: 15696 case R6_OPC_CMP_SUN_D: 15697 case R6_OPC_CMP_SEQ_D: 15698 case R6_OPC_CMP_SEUQ_D: 15699 case R6_OPC_CMP_SLT_D: 15700 case R6_OPC_CMP_SULT_D: 15701 case R6_OPC_CMP_SLE_D: 15702 case R6_OPC_CMP_SULE_D: 15703 case R6_OPC_CMP_OR_D: 15704 case R6_OPC_CMP_UNE_D: 15705 case R6_OPC_CMP_NE_D: 15706 case R6_OPC_CMP_SOR_D: 15707 case R6_OPC_CMP_SUNE_D: 15708 case R6_OPC_CMP_SNE_D: 15709 gen_r6_cmp_d(ctx, ctx->opcode & 0x1f, rt, rd, sa); 15710 break; 15711 default: 15712 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), 15713 rt, rd, sa, (imm >> 8) & 0x7); 15714 15715 break; 15716 } 15717 } else { 15718 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa, 15719 (imm >> 8) & 0x7); 15720 } 15721 break; 15722 } 15723 default: 15724 MIPS_INVAL("cp1"); 15725 gen_reserved_instruction(ctx); 15726 break; 15727 } 15728 break; 15729 15730 /* Compact branches [R6] and COP2 [non-R6] */ 15731 case OPC_BC: /* OPC_LWC2 */ 15732 case OPC_BALC: /* OPC_SWC2 */ 15733 if (ctx->insn_flags & ISA_MIPS_R6) { 15734 /* OPC_BC, OPC_BALC */ 15735 gen_compute_compact_branch(ctx, op, 0, 0, 15736 sextract32(ctx->opcode << 2, 0, 28)); 15737 } else if (ctx->insn_flags & ASE_LEXT) { 15738 gen_loongson_lswc2(ctx, rt, rs, rd); 15739 } else { 15740 /* OPC_LWC2, OPC_SWC2 */ 15741 /* COP2: Not implemented. */ 15742 generate_exception_err(ctx, EXCP_CpU, 2); 15743 } 15744 break; 15745 case OPC_BEQZC: /* OPC_JIC, OPC_LDC2 */ 15746 case OPC_BNEZC: /* OPC_JIALC, OPC_SDC2 */ 15747 if (ctx->insn_flags & ISA_MIPS_R6) { 15748 if (rs != 0) { 15749 /* OPC_BEQZC, OPC_BNEZC */ 15750 gen_compute_compact_branch(ctx, op, rs, 0, 15751 sextract32(ctx->opcode << 2, 0, 23)); 15752 } else { 15753 /* OPC_JIC, OPC_JIALC */ 15754 gen_compute_compact_branch(ctx, op, 0, rt, imm); 15755 } 15756 } else if (ctx->insn_flags & ASE_LEXT) { 15757 gen_loongson_lsdc2(ctx, rt, rs, rd); 15758 } else { 15759 /* OPC_LWC2, OPC_SWC2 */ 15760 /* COP2: Not implemented. */ 15761 generate_exception_err(ctx, EXCP_CpU, 2); 15762 } 15763 break; 15764 case OPC_CP2: 15765 check_insn(ctx, ASE_LMMI); 15766 /* Note that these instructions use different fields. */ 15767 gen_loongson_multimedia(ctx, sa, rd, rt); 15768 break; 15769 15770 case OPC_CP3: 15771 if (ctx->CP0_Config1 & (1 << CP0C1_FP)) { 15772 check_cp1_enabled(ctx); 15773 op1 = MASK_CP3(ctx->opcode); 15774 switch (op1) { 15775 case OPC_LUXC1: 15776 case OPC_SUXC1: 15777 check_insn(ctx, ISA_MIPS5 | ISA_MIPS_R2); 15778 /* Fallthrough */ 15779 case OPC_LWXC1: 15780 case OPC_LDXC1: 15781 case OPC_SWXC1: 15782 case OPC_SDXC1: 15783 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2); 15784 gen_flt3_ldst(ctx, op1, sa, rd, rs, rt); 15785 break; 15786 case OPC_PREFX: 15787 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2); 15788 /* Treat as NOP. */ 15789 break; 15790 case OPC_ALNV_PS: 15791 check_insn(ctx, ISA_MIPS5 | ISA_MIPS_R2); 15792 /* Fallthrough */ 15793 case OPC_MADD_S: 15794 case OPC_MADD_D: 15795 case OPC_MADD_PS: 15796 case OPC_MSUB_S: 15797 case OPC_MSUB_D: 15798 case OPC_MSUB_PS: 15799 case OPC_NMADD_S: 15800 case OPC_NMADD_D: 15801 case OPC_NMADD_PS: 15802 case OPC_NMSUB_S: 15803 case OPC_NMSUB_D: 15804 case OPC_NMSUB_PS: 15805 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2); 15806 gen_flt3_arith(ctx, op1, sa, rs, rd, rt); 15807 break; 15808 default: 15809 MIPS_INVAL("cp3"); 15810 gen_reserved_instruction(ctx); 15811 break; 15812 } 15813 } else { 15814 generate_exception_err(ctx, EXCP_CpU, 1); 15815 } 15816 break; 15817 15818 #if defined(TARGET_MIPS64) 15819 /* MIPS64 opcodes */ 15820 case OPC_LLD: 15821 if (ctx->insn_flags & INSN_R5900) { 15822 check_insn_opc_user_only(ctx, INSN_R5900); 15823 } 15824 /* fall through */ 15825 case OPC_LDL: 15826 case OPC_LDR: 15827 case OPC_LWU: 15828 case OPC_LD: 15829 check_insn(ctx, ISA_MIPS3); 15830 check_mips_64(ctx); 15831 gen_ld(ctx, op, rt, rs, imm); 15832 break; 15833 case OPC_SDL: 15834 case OPC_SDR: 15835 case OPC_SD: 15836 check_insn(ctx, ISA_MIPS3); 15837 check_mips_64(ctx); 15838 gen_st(ctx, op, rt, rs, imm); 15839 break; 15840 case OPC_SCD: 15841 check_insn(ctx, ISA_MIPS3); 15842 if (ctx->insn_flags & INSN_R5900) { 15843 check_insn_opc_user_only(ctx, INSN_R5900); 15844 } 15845 check_mips_64(ctx); 15846 gen_st_cond(ctx, rt, rs, imm, MO_TEQ, false); 15847 break; 15848 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC, OPC_DADDI */ 15849 if (ctx->insn_flags & ISA_MIPS_R6) { 15850 /* OPC_BNVC, OPC_BNEZALC, OPC_BNEC */ 15851 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 15852 } else { 15853 /* OPC_DADDI */ 15854 check_insn(ctx, ISA_MIPS3); 15855 check_mips_64(ctx); 15856 gen_arith_imm(ctx, op, rt, rs, imm); 15857 } 15858 break; 15859 case OPC_DADDIU: 15860 check_insn(ctx, ISA_MIPS3); 15861 check_mips_64(ctx); 15862 gen_arith_imm(ctx, op, rt, rs, imm); 15863 break; 15864 #else 15865 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */ 15866 if (ctx->insn_flags & ISA_MIPS_R6) { 15867 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 15868 } else { 15869 MIPS_INVAL("major opcode"); 15870 gen_reserved_instruction(ctx); 15871 } 15872 break; 15873 #endif 15874 case OPC_DAUI: /* OPC_JALX */ 15875 if (ctx->insn_flags & ISA_MIPS_R6) { 15876 #if defined(TARGET_MIPS64) 15877 /* OPC_DAUI */ 15878 check_mips_64(ctx); 15879 if (rs == 0) { 15880 generate_exception(ctx, EXCP_RI); 15881 } else if (rt != 0) { 15882 TCGv t0 = tcg_temp_new(); 15883 gen_load_gpr(t0, rs); 15884 tcg_gen_addi_tl(cpu_gpr[rt], t0, imm << 16); 15885 tcg_temp_free(t0); 15886 } 15887 #else 15888 gen_reserved_instruction(ctx); 15889 MIPS_INVAL("major opcode"); 15890 #endif 15891 } else { 15892 /* OPC_JALX */ 15893 check_insn(ctx, ASE_MIPS16 | ASE_MICROMIPS); 15894 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; 15895 gen_compute_branch(ctx, op, 4, rs, rt, offset, 4); 15896 } 15897 break; 15898 case OPC_MDMX: 15899 /* MDMX: Not implemented. */ 15900 break; 15901 case OPC_PCREL: 15902 check_insn(ctx, ISA_MIPS_R6); 15903 gen_pcrel(ctx, ctx->opcode, ctx->base.pc_next, rs); 15904 break; 15905 default: /* Invalid */ 15906 MIPS_INVAL("major opcode"); 15907 return false; 15908 } 15909 return true; 15910 } 15911 15912 static void decode_opc(CPUMIPSState *env, DisasContext *ctx) 15913 { 15914 /* make sure instructions are on a word boundary */ 15915 if (ctx->base.pc_next & 0x3) { 15916 env->CP0_BadVAddr = ctx->base.pc_next; 15917 generate_exception_err(ctx, EXCP_AdEL, EXCP_INST_NOTAVAIL); 15918 return; 15919 } 15920 15921 /* Handle blikely not taken case */ 15922 if ((ctx->hflags & MIPS_HFLAG_BMASK_BASE) == MIPS_HFLAG_BL) { 15923 TCGLabel *l1 = gen_new_label(); 15924 15925 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1); 15926 tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK); 15927 gen_goto_tb(ctx, 1, ctx->base.pc_next + 4); 15928 gen_set_label(l1); 15929 } 15930 15931 /* Transition to the auto-generated decoder. */ 15932 15933 /* Vendor specific extensions */ 15934 if (cpu_supports_isa(env, INSN_R5900) && decode_ext_txx9(ctx, ctx->opcode)) { 15935 return; 15936 } 15937 if (cpu_supports_isa(env, INSN_VR54XX) && decode_ext_vr54xx(ctx, ctx->opcode)) { 15938 return; 15939 } 15940 15941 /* ISA extensions */ 15942 if (ase_msa_available(env) && decode_ase_msa(ctx, ctx->opcode)) { 15943 return; 15944 } 15945 15946 /* ISA (from latest to oldest) */ 15947 if (cpu_supports_isa(env, ISA_MIPS_R6) && decode_isa_rel6(ctx, ctx->opcode)) { 15948 return; 15949 } 15950 15951 if (decode_opc_legacy(env, ctx)) { 15952 return; 15953 } 15954 15955 gen_reserved_instruction(ctx); 15956 } 15957 15958 static void mips_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) 15959 { 15960 DisasContext *ctx = container_of(dcbase, DisasContext, base); 15961 CPUMIPSState *env = cs->env_ptr; 15962 15963 ctx->page_start = ctx->base.pc_first & TARGET_PAGE_MASK; 15964 ctx->saved_pc = -1; 15965 ctx->insn_flags = env->insn_flags; 15966 ctx->CP0_Config0 = env->CP0_Config0; 15967 ctx->CP0_Config1 = env->CP0_Config1; 15968 ctx->CP0_Config2 = env->CP0_Config2; 15969 ctx->CP0_Config3 = env->CP0_Config3; 15970 ctx->CP0_Config5 = env->CP0_Config5; 15971 ctx->btarget = 0; 15972 ctx->kscrexist = (env->CP0_Config4 >> CP0C4_KScrExist) & 0xff; 15973 ctx->rxi = (env->CP0_Config3 >> CP0C3_RXI) & 1; 15974 ctx->ie = (env->CP0_Config4 >> CP0C4_IE) & 3; 15975 ctx->bi = (env->CP0_Config3 >> CP0C3_BI) & 1; 15976 ctx->bp = (env->CP0_Config3 >> CP0C3_BP) & 1; 15977 ctx->PAMask = env->PAMask; 15978 ctx->mvh = (env->CP0_Config5 >> CP0C5_MVH) & 1; 15979 ctx->eva = (env->CP0_Config5 >> CP0C5_EVA) & 1; 15980 ctx->sc = (env->CP0_Config3 >> CP0C3_SC) & 1; 15981 ctx->CP0_LLAddr_shift = env->CP0_LLAddr_shift; 15982 ctx->cmgcr = (env->CP0_Config3 >> CP0C3_CMGCR) & 1; 15983 /* Restore delay slot state from the tb context. */ 15984 ctx->hflags = (uint32_t)ctx->base.tb->flags; /* FIXME: maybe use 64 bits? */ 15985 ctx->ulri = (env->CP0_Config3 >> CP0C3_ULRI) & 1; 15986 ctx->ps = ((env->active_fpu.fcr0 >> FCR0_PS) & 1) || 15987 (env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F)); 15988 ctx->vp = (env->CP0_Config5 >> CP0C5_VP) & 1; 15989 ctx->mrp = (env->CP0_Config5 >> CP0C5_MRP) & 1; 15990 ctx->nan2008 = (env->active_fpu.fcr31 >> FCR31_NAN2008) & 1; 15991 ctx->abs2008 = (env->active_fpu.fcr31 >> FCR31_ABS2008) & 1; 15992 ctx->mi = (env->CP0_Config5 >> CP0C5_MI) & 1; 15993 ctx->gi = (env->CP0_Config5 >> CP0C5_GI) & 3; 15994 restore_cpu_state(env, ctx); 15995 #ifdef CONFIG_USER_ONLY 15996 ctx->mem_idx = MIPS_HFLAG_UM; 15997 #else 15998 ctx->mem_idx = hflags_mmu_index(ctx->hflags); 15999 #endif 16000 ctx->default_tcg_memop_mask = (ctx->insn_flags & (ISA_MIPS_R6 | 16001 INSN_LOONGSON3A)) ? MO_UNALN : MO_ALIGN; 16002 16003 /* 16004 * Execute a branch and its delay slot as a single instruction. 16005 * This is what GDB expects and is consistent with what the 16006 * hardware does (e.g. if a delay slot instruction faults, the 16007 * reported PC is the PC of the branch). 16008 */ 16009 if (ctx->base.singlestep_enabled && (ctx->hflags & MIPS_HFLAG_BMASK)) { 16010 ctx->base.max_insns = 2; 16011 } 16012 16013 LOG_DISAS("\ntb %p idx %d hflags %04x\n", ctx->base.tb, ctx->mem_idx, 16014 ctx->hflags); 16015 } 16016 16017 static void mips_tr_tb_start(DisasContextBase *dcbase, CPUState *cs) 16018 { 16019 } 16020 16021 static void mips_tr_insn_start(DisasContextBase *dcbase, CPUState *cs) 16022 { 16023 DisasContext *ctx = container_of(dcbase, DisasContext, base); 16024 16025 tcg_gen_insn_start(ctx->base.pc_next, ctx->hflags & MIPS_HFLAG_BMASK, 16026 ctx->btarget); 16027 } 16028 16029 static void mips_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) 16030 { 16031 CPUMIPSState *env = cs->env_ptr; 16032 DisasContext *ctx = container_of(dcbase, DisasContext, base); 16033 int insn_bytes; 16034 int is_slot; 16035 16036 is_slot = ctx->hflags & MIPS_HFLAG_BMASK; 16037 if (ctx->insn_flags & ISA_NANOMIPS32) { 16038 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next); 16039 insn_bytes = decode_isa_nanomips(env, ctx); 16040 } else if (!(ctx->hflags & MIPS_HFLAG_M16)) { 16041 ctx->opcode = translator_ldl(env, &ctx->base, ctx->base.pc_next); 16042 insn_bytes = 4; 16043 decode_opc(env, ctx); 16044 } else if (ctx->insn_flags & ASE_MICROMIPS) { 16045 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next); 16046 insn_bytes = decode_isa_micromips(env, ctx); 16047 } else if (ctx->insn_flags & ASE_MIPS16) { 16048 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next); 16049 insn_bytes = decode_ase_mips16e(env, ctx); 16050 } else { 16051 gen_reserved_instruction(ctx); 16052 g_assert(ctx->base.is_jmp == DISAS_NORETURN); 16053 return; 16054 } 16055 16056 if (ctx->hflags & MIPS_HFLAG_BMASK) { 16057 if (!(ctx->hflags & (MIPS_HFLAG_BDS16 | MIPS_HFLAG_BDS32 | 16058 MIPS_HFLAG_FBNSLOT))) { 16059 /* 16060 * Force to generate branch as there is neither delay nor 16061 * forbidden slot. 16062 */ 16063 is_slot = 1; 16064 } 16065 if ((ctx->hflags & MIPS_HFLAG_M16) && 16066 (ctx->hflags & MIPS_HFLAG_FBNSLOT)) { 16067 /* 16068 * Force to generate branch as microMIPS R6 doesn't restrict 16069 * branches in the forbidden slot. 16070 */ 16071 is_slot = 1; 16072 } 16073 } 16074 if (is_slot) { 16075 gen_branch(ctx, insn_bytes); 16076 } 16077 ctx->base.pc_next += insn_bytes; 16078 16079 if (ctx->base.is_jmp != DISAS_NEXT) { 16080 return; 16081 } 16082 16083 /* 16084 * End the TB on (most) page crossings. 16085 * See mips_tr_init_disas_context about single-stepping a branch 16086 * together with its delay slot. 16087 */ 16088 if (ctx->base.pc_next - ctx->page_start >= TARGET_PAGE_SIZE 16089 && !ctx->base.singlestep_enabled) { 16090 ctx->base.is_jmp = DISAS_TOO_MANY; 16091 } 16092 } 16093 16094 static void mips_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs) 16095 { 16096 DisasContext *ctx = container_of(dcbase, DisasContext, base); 16097 16098 switch (ctx->base.is_jmp) { 16099 case DISAS_STOP: 16100 gen_save_pc(ctx->base.pc_next); 16101 tcg_gen_lookup_and_goto_ptr(); 16102 break; 16103 case DISAS_NEXT: 16104 case DISAS_TOO_MANY: 16105 save_cpu_state(ctx, 0); 16106 gen_goto_tb(ctx, 0, ctx->base.pc_next); 16107 break; 16108 case DISAS_EXIT: 16109 tcg_gen_exit_tb(NULL, 0); 16110 break; 16111 case DISAS_NORETURN: 16112 break; 16113 default: 16114 g_assert_not_reached(); 16115 } 16116 } 16117 16118 static void mips_tr_disas_log(const DisasContextBase *dcbase, CPUState *cs) 16119 { 16120 qemu_log("IN: %s\n", lookup_symbol(dcbase->pc_first)); 16121 log_target_disas(cs, dcbase->pc_first, dcbase->tb->size); 16122 } 16123 16124 static const TranslatorOps mips_tr_ops = { 16125 .init_disas_context = mips_tr_init_disas_context, 16126 .tb_start = mips_tr_tb_start, 16127 .insn_start = mips_tr_insn_start, 16128 .translate_insn = mips_tr_translate_insn, 16129 .tb_stop = mips_tr_tb_stop, 16130 .disas_log = mips_tr_disas_log, 16131 }; 16132 16133 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int max_insns) 16134 { 16135 DisasContext ctx; 16136 16137 translator_loop(&mips_tr_ops, &ctx.base, cs, tb, max_insns); 16138 } 16139 16140 void mips_tcg_init(void) 16141 { 16142 int i; 16143 16144 cpu_gpr[0] = NULL; 16145 for (i = 1; i < 32; i++) 16146 cpu_gpr[i] = tcg_global_mem_new(cpu_env, 16147 offsetof(CPUMIPSState, 16148 active_tc.gpr[i]), 16149 regnames[i]); 16150 #if defined(TARGET_MIPS64) 16151 cpu_gpr_hi[0] = NULL; 16152 16153 for (unsigned i = 1; i < 32; i++) { 16154 g_autofree char *rname = g_strdup_printf("%s[hi]", regnames[i]); 16155 16156 cpu_gpr_hi[i] = tcg_global_mem_new_i64(cpu_env, 16157 offsetof(CPUMIPSState, 16158 active_tc.gpr_hi[i]), 16159 rname); 16160 } 16161 #endif /* !TARGET_MIPS64 */ 16162 for (i = 0; i < 32; i++) { 16163 int off = offsetof(CPUMIPSState, active_fpu.fpr[i].wr.d[0]); 16164 16165 fpu_f64[i] = tcg_global_mem_new_i64(cpu_env, off, fregnames[i]); 16166 } 16167 msa_translate_init(); 16168 cpu_PC = tcg_global_mem_new(cpu_env, 16169 offsetof(CPUMIPSState, active_tc.PC), "PC"); 16170 for (i = 0; i < MIPS_DSP_ACC; i++) { 16171 cpu_HI[i] = tcg_global_mem_new(cpu_env, 16172 offsetof(CPUMIPSState, active_tc.HI[i]), 16173 regnames_HI[i]); 16174 cpu_LO[i] = tcg_global_mem_new(cpu_env, 16175 offsetof(CPUMIPSState, active_tc.LO[i]), 16176 regnames_LO[i]); 16177 } 16178 cpu_dspctrl = tcg_global_mem_new(cpu_env, 16179 offsetof(CPUMIPSState, 16180 active_tc.DSPControl), 16181 "DSPControl"); 16182 bcond = tcg_global_mem_new(cpu_env, 16183 offsetof(CPUMIPSState, bcond), "bcond"); 16184 btarget = tcg_global_mem_new(cpu_env, 16185 offsetof(CPUMIPSState, btarget), "btarget"); 16186 hflags = tcg_global_mem_new_i32(cpu_env, 16187 offsetof(CPUMIPSState, hflags), "hflags"); 16188 16189 fpu_fcr0 = tcg_global_mem_new_i32(cpu_env, 16190 offsetof(CPUMIPSState, active_fpu.fcr0), 16191 "fcr0"); 16192 fpu_fcr31 = tcg_global_mem_new_i32(cpu_env, 16193 offsetof(CPUMIPSState, active_fpu.fcr31), 16194 "fcr31"); 16195 cpu_lladdr = tcg_global_mem_new(cpu_env, offsetof(CPUMIPSState, lladdr), 16196 "lladdr"); 16197 cpu_llval = tcg_global_mem_new(cpu_env, offsetof(CPUMIPSState, llval), 16198 "llval"); 16199 16200 if (TARGET_LONG_BITS == 32) { 16201 mxu_translate_init(); 16202 } 16203 } 16204 16205 void restore_state_to_opc(CPUMIPSState *env, TranslationBlock *tb, 16206 target_ulong *data) 16207 { 16208 env->active_tc.PC = data[0]; 16209 env->hflags &= ~MIPS_HFLAG_BMASK; 16210 env->hflags |= data[1]; 16211 switch (env->hflags & MIPS_HFLAG_BMASK_BASE) { 16212 case MIPS_HFLAG_BR: 16213 break; 16214 case MIPS_HFLAG_BC: 16215 case MIPS_HFLAG_BL: 16216 case MIPS_HFLAG_B: 16217 env->btarget = data[2]; 16218 break; 16219 } 16220 } 16221