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 "translate.h" 27 #include "internal.h" 28 #include "exec/helper-proto.h" 29 #include "exec/translation-block.h" 30 #include "semihosting/semihost.h" 31 #include "trace.h" 32 #include "fpu_helper.h" 33 34 #define HELPER_H "helper.h" 35 #include "exec/helper-info.c.inc" 36 #undef HELPER_H 37 38 39 /* 40 * Many sysemu-only helpers are not reachable for user-only. 41 * Define stub generators here, so that we need not either sprinkle 42 * ifdefs through the translator, nor provide the helper function. 43 */ 44 #define STUB_HELPER(NAME, ...) \ 45 static inline void gen_helper_##NAME(__VA_ARGS__) \ 46 { g_assert_not_reached(); } 47 48 #ifdef CONFIG_USER_ONLY 49 STUB_HELPER(cache, TCGv_env env, TCGv val, TCGv_i32 reg) 50 #endif 51 52 enum { 53 /* indirect opcode tables */ 54 OPC_SPECIAL = (0x00 << 26), 55 OPC_REGIMM = (0x01 << 26), 56 OPC_CP0 = (0x10 << 26), 57 OPC_CP2 = (0x12 << 26), 58 OPC_CP3 = (0x13 << 26), 59 OPC_SPECIAL2 = (0x1C << 26), 60 OPC_SPECIAL3 = (0x1F << 26), 61 /* arithmetic with immediate */ 62 OPC_ADDI = (0x08 << 26), 63 OPC_ADDIU = (0x09 << 26), 64 OPC_SLTI = (0x0A << 26), 65 OPC_SLTIU = (0x0B << 26), 66 /* logic with immediate */ 67 OPC_ANDI = (0x0C << 26), 68 OPC_ORI = (0x0D << 26), 69 OPC_XORI = (0x0E << 26), 70 OPC_LUI = (0x0F << 26), 71 /* arithmetic with immediate */ 72 OPC_DADDI = (0x18 << 26), 73 OPC_DADDIU = (0x19 << 26), 74 /* Jump and branches */ 75 OPC_J = (0x02 << 26), 76 OPC_JAL = (0x03 << 26), 77 OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */ 78 OPC_BEQL = (0x14 << 26), 79 OPC_BNE = (0x05 << 26), 80 OPC_BNEL = (0x15 << 26), 81 OPC_BLEZ = (0x06 << 26), 82 OPC_BLEZL = (0x16 << 26), 83 OPC_BGTZ = (0x07 << 26), 84 OPC_BGTZL = (0x17 << 26), 85 OPC_JALX = (0x1D << 26), 86 OPC_DAUI = (0x1D << 26), 87 /* Load and stores */ 88 OPC_LDL = (0x1A << 26), 89 OPC_LDR = (0x1B << 26), 90 OPC_LB = (0x20 << 26), 91 OPC_LH = (0x21 << 26), 92 OPC_LWL = (0x22 << 26), 93 OPC_LW = (0x23 << 26), 94 OPC_LWPC = OPC_LW | 0x5, 95 OPC_LBU = (0x24 << 26), 96 OPC_LHU = (0x25 << 26), 97 OPC_LWR = (0x26 << 26), 98 OPC_LWU = (0x27 << 26), 99 OPC_SB = (0x28 << 26), 100 OPC_SH = (0x29 << 26), 101 OPC_SWL = (0x2A << 26), 102 OPC_SW = (0x2B << 26), 103 OPC_SDL = (0x2C << 26), 104 OPC_SDR = (0x2D << 26), 105 OPC_SWR = (0x2E << 26), 106 OPC_LL = (0x30 << 26), 107 OPC_LLD = (0x34 << 26), 108 OPC_LD = (0x37 << 26), 109 OPC_LDPC = OPC_LD | 0x5, 110 OPC_SC = (0x38 << 26), 111 OPC_SCD = (0x3C << 26), 112 OPC_SD = (0x3F << 26), 113 /* Floating point load/store */ 114 OPC_LWC1 = (0x31 << 26), 115 OPC_LWC2 = (0x32 << 26), 116 OPC_LDC1 = (0x35 << 26), 117 OPC_LDC2 = (0x36 << 26), 118 OPC_SWC1 = (0x39 << 26), 119 OPC_SWC2 = (0x3A << 26), 120 OPC_SDC1 = (0x3D << 26), 121 OPC_SDC2 = (0x3E << 26), 122 /* Compact Branches */ 123 OPC_BLEZALC = (0x06 << 26), 124 OPC_BGEZALC = (0x06 << 26), 125 OPC_BGEUC = (0x06 << 26), 126 OPC_BGTZALC = (0x07 << 26), 127 OPC_BLTZALC = (0x07 << 26), 128 OPC_BLTUC = (0x07 << 26), 129 OPC_BOVC = (0x08 << 26), 130 OPC_BEQZALC = (0x08 << 26), 131 OPC_BEQC = (0x08 << 26), 132 OPC_BLEZC = (0x16 << 26), 133 OPC_BGEZC = (0x16 << 26), 134 OPC_BGEC = (0x16 << 26), 135 OPC_BGTZC = (0x17 << 26), 136 OPC_BLTZC = (0x17 << 26), 137 OPC_BLTC = (0x17 << 26), 138 OPC_BNVC = (0x18 << 26), 139 OPC_BNEZALC = (0x18 << 26), 140 OPC_BNEC = (0x18 << 26), 141 OPC_BC = (0x32 << 26), 142 OPC_BEQZC = (0x36 << 26), 143 OPC_JIC = (0x36 << 26), 144 OPC_BALC = (0x3A << 26), 145 OPC_BNEZC = (0x3E << 26), 146 OPC_JIALC = (0x3E << 26), 147 /* MDMX ASE specific */ 148 OPC_MDMX = (0x1E << 26), 149 /* Cache and prefetch */ 150 OPC_CACHE = (0x2F << 26), 151 OPC_PREF = (0x33 << 26), 152 /* PC-relative address computation / loads */ 153 OPC_PCREL = (0x3B << 26), 154 }; 155 156 /* PC-relative address computation / loads */ 157 #define MASK_OPC_PCREL_TOP2BITS(op) (MASK_OP_MAJOR(op) | (op & (3 << 19))) 158 #define MASK_OPC_PCREL_TOP5BITS(op) (MASK_OP_MAJOR(op) | (op & (0x1f << 16))) 159 enum { 160 /* Instructions determined by bits 19 and 20 */ 161 OPC_ADDIUPC = OPC_PCREL | (0 << 19), 162 R6_OPC_LWPC = OPC_PCREL | (1 << 19), 163 OPC_LWUPC = OPC_PCREL | (2 << 19), 164 165 /* Instructions determined by bits 16 ... 20 */ 166 OPC_AUIPC = OPC_PCREL | (0x1e << 16), 167 OPC_ALUIPC = OPC_PCREL | (0x1f << 16), 168 169 /* Other */ 170 R6_OPC_LDPC = OPC_PCREL | (6 << 18), 171 }; 172 173 /* MIPS special opcodes */ 174 #define MASK_SPECIAL(op) (MASK_OP_MAJOR(op) | (op & 0x3F)) 175 176 enum { 177 /* Shifts */ 178 OPC_SLL = 0x00 | OPC_SPECIAL, 179 /* NOP is SLL r0, r0, 0 */ 180 /* SSNOP is SLL r0, r0, 1 */ 181 /* EHB is SLL r0, r0, 3 */ 182 OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */ 183 OPC_ROTR = OPC_SRL | (1 << 21), 184 OPC_SRA = 0x03 | OPC_SPECIAL, 185 OPC_SLLV = 0x04 | OPC_SPECIAL, 186 OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */ 187 OPC_ROTRV = OPC_SRLV | (1 << 6), 188 OPC_SRAV = 0x07 | OPC_SPECIAL, 189 OPC_DSLLV = 0x14 | OPC_SPECIAL, 190 OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */ 191 OPC_DROTRV = OPC_DSRLV | (1 << 6), 192 OPC_DSRAV = 0x17 | OPC_SPECIAL, 193 OPC_DSLL = 0x38 | OPC_SPECIAL, 194 OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */ 195 OPC_DROTR = OPC_DSRL | (1 << 21), 196 OPC_DSRA = 0x3B | OPC_SPECIAL, 197 OPC_DSLL32 = 0x3C | OPC_SPECIAL, 198 OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */ 199 OPC_DROTR32 = OPC_DSRL32 | (1 << 21), 200 OPC_DSRA32 = 0x3F | OPC_SPECIAL, 201 /* Multiplication / division */ 202 OPC_MULT = 0x18 | OPC_SPECIAL, 203 OPC_MULTU = 0x19 | OPC_SPECIAL, 204 OPC_DIV = 0x1A | OPC_SPECIAL, 205 OPC_DIVU = 0x1B | OPC_SPECIAL, 206 OPC_DMULT = 0x1C | OPC_SPECIAL, 207 OPC_DMULTU = 0x1D | OPC_SPECIAL, 208 OPC_DDIV = 0x1E | OPC_SPECIAL, 209 OPC_DDIVU = 0x1F | OPC_SPECIAL, 210 211 /* 2 registers arithmetic / logic */ 212 OPC_ADD = 0x20 | OPC_SPECIAL, 213 OPC_ADDU = 0x21 | OPC_SPECIAL, 214 OPC_SUB = 0x22 | OPC_SPECIAL, 215 OPC_SUBU = 0x23 | OPC_SPECIAL, 216 OPC_AND = 0x24 | OPC_SPECIAL, 217 OPC_OR = 0x25 | OPC_SPECIAL, 218 OPC_XOR = 0x26 | OPC_SPECIAL, 219 OPC_NOR = 0x27 | OPC_SPECIAL, 220 OPC_SLT = 0x2A | OPC_SPECIAL, 221 OPC_SLTU = 0x2B | OPC_SPECIAL, 222 OPC_DADD = 0x2C | OPC_SPECIAL, 223 OPC_DADDU = 0x2D | OPC_SPECIAL, 224 OPC_DSUB = 0x2E | OPC_SPECIAL, 225 OPC_DSUBU = 0x2F | OPC_SPECIAL, 226 /* Jumps */ 227 OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */ 228 OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */ 229 /* Traps */ 230 OPC_TGE = 0x30 | OPC_SPECIAL, 231 OPC_TGEU = 0x31 | OPC_SPECIAL, 232 OPC_TLT = 0x32 | OPC_SPECIAL, 233 OPC_TLTU = 0x33 | OPC_SPECIAL, 234 OPC_TEQ = 0x34 | OPC_SPECIAL, 235 OPC_TNE = 0x36 | OPC_SPECIAL, 236 /* HI / LO registers load & stores */ 237 OPC_MFHI = 0x10 | OPC_SPECIAL, 238 OPC_MTHI = 0x11 | OPC_SPECIAL, 239 OPC_MFLO = 0x12 | OPC_SPECIAL, 240 OPC_MTLO = 0x13 | OPC_SPECIAL, 241 /* Conditional moves */ 242 OPC_MOVZ = 0x0A | OPC_SPECIAL, 243 OPC_MOVN = 0x0B | OPC_SPECIAL, 244 245 OPC_SELEQZ = 0x35 | OPC_SPECIAL, 246 OPC_SELNEZ = 0x37 | OPC_SPECIAL, 247 248 OPC_MOVCI = 0x01 | OPC_SPECIAL, 249 250 /* Special */ 251 OPC_PMON = 0x05 | OPC_SPECIAL, /* unofficial */ 252 OPC_SYSCALL = 0x0C | OPC_SPECIAL, 253 OPC_BREAK = 0x0D | OPC_SPECIAL, 254 OPC_SPIM = 0x0E | OPC_SPECIAL, /* unofficial */ 255 OPC_SYNC = 0x0F | OPC_SPECIAL, 256 257 OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL, 258 OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL, 259 OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL, 260 OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL, 261 }; 262 263 /* 264 * R6 Multiply and Divide instructions have the same opcode 265 * and function field as legacy OPC_MULT[U]/OPC_DIV[U] 266 */ 267 #define MASK_R6_MULDIV(op) (MASK_SPECIAL(op) | (op & (0x7ff))) 268 269 enum { 270 R6_OPC_MUL = OPC_MULT | (2 << 6), 271 R6_OPC_MUH = OPC_MULT | (3 << 6), 272 R6_OPC_MULU = OPC_MULTU | (2 << 6), 273 R6_OPC_MUHU = OPC_MULTU | (3 << 6), 274 R6_OPC_DIV = OPC_DIV | (2 << 6), 275 R6_OPC_MOD = OPC_DIV | (3 << 6), 276 R6_OPC_DIVU = OPC_DIVU | (2 << 6), 277 R6_OPC_MODU = OPC_DIVU | (3 << 6), 278 279 R6_OPC_DMUL = OPC_DMULT | (2 << 6), 280 R6_OPC_DMUH = OPC_DMULT | (3 << 6), 281 R6_OPC_DMULU = OPC_DMULTU | (2 << 6), 282 R6_OPC_DMUHU = OPC_DMULTU | (3 << 6), 283 R6_OPC_DDIV = OPC_DDIV | (2 << 6), 284 R6_OPC_DMOD = OPC_DDIV | (3 << 6), 285 R6_OPC_DDIVU = OPC_DDIVU | (2 << 6), 286 R6_OPC_DMODU = OPC_DDIVU | (3 << 6), 287 288 R6_OPC_CLZ = 0x10 | OPC_SPECIAL, 289 R6_OPC_CLO = 0x11 | OPC_SPECIAL, 290 R6_OPC_DCLZ = 0x12 | OPC_SPECIAL, 291 R6_OPC_DCLO = 0x13 | OPC_SPECIAL, 292 R6_OPC_SDBBP = 0x0e | OPC_SPECIAL, 293 }; 294 295 /* REGIMM (rt field) opcodes */ 296 #define MASK_REGIMM(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 16))) 297 298 enum { 299 OPC_BLTZ = (0x00 << 16) | OPC_REGIMM, 300 OPC_BLTZL = (0x02 << 16) | OPC_REGIMM, 301 OPC_BGEZ = (0x01 << 16) | OPC_REGIMM, 302 OPC_BGEZL = (0x03 << 16) | OPC_REGIMM, 303 OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM, 304 OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM, 305 OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM, 306 OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM, 307 OPC_TGEI = (0x08 << 16) | OPC_REGIMM, 308 OPC_TGEIU = (0x09 << 16) | OPC_REGIMM, 309 OPC_TLTI = (0x0A << 16) | OPC_REGIMM, 310 OPC_TLTIU = (0x0B << 16) | OPC_REGIMM, 311 OPC_TEQI = (0x0C << 16) | OPC_REGIMM, 312 OPC_TNEI = (0x0E << 16) | OPC_REGIMM, 313 OPC_SIGRIE = (0x17 << 16) | OPC_REGIMM, 314 OPC_SYNCI = (0x1F << 16) | OPC_REGIMM, 315 316 OPC_DAHI = (0x06 << 16) | OPC_REGIMM, 317 OPC_DATI = (0x1e << 16) | OPC_REGIMM, 318 }; 319 320 /* Special2 opcodes */ 321 #define MASK_SPECIAL2(op) (MASK_OP_MAJOR(op) | (op & 0x3F)) 322 323 enum { 324 /* Multiply & xxx operations */ 325 OPC_MADD = 0x00 | OPC_SPECIAL2, 326 OPC_MADDU = 0x01 | OPC_SPECIAL2, 327 OPC_MUL = 0x02 | OPC_SPECIAL2, 328 OPC_MSUB = 0x04 | OPC_SPECIAL2, 329 OPC_MSUBU = 0x05 | OPC_SPECIAL2, 330 /* Loongson 2F */ 331 OPC_MULT_G_2F = 0x10 | OPC_SPECIAL2, 332 OPC_DMULT_G_2F = 0x11 | OPC_SPECIAL2, 333 OPC_MULTU_G_2F = 0x12 | OPC_SPECIAL2, 334 OPC_DMULTU_G_2F = 0x13 | OPC_SPECIAL2, 335 OPC_DIV_G_2F = 0x14 | OPC_SPECIAL2, 336 OPC_DDIV_G_2F = 0x15 | OPC_SPECIAL2, 337 OPC_DIVU_G_2F = 0x16 | OPC_SPECIAL2, 338 OPC_DDIVU_G_2F = 0x17 | OPC_SPECIAL2, 339 OPC_MOD_G_2F = 0x1c | OPC_SPECIAL2, 340 OPC_DMOD_G_2F = 0x1d | OPC_SPECIAL2, 341 OPC_MODU_G_2F = 0x1e | OPC_SPECIAL2, 342 OPC_DMODU_G_2F = 0x1f | OPC_SPECIAL2, 343 /* Misc */ 344 OPC_CLZ = 0x20 | OPC_SPECIAL2, 345 OPC_CLO = 0x21 | OPC_SPECIAL2, 346 OPC_DCLZ = 0x24 | OPC_SPECIAL2, 347 OPC_DCLO = 0x25 | OPC_SPECIAL2, 348 /* Special */ 349 OPC_SDBBP = 0x3F | OPC_SPECIAL2, 350 }; 351 352 /* Special3 opcodes */ 353 #define MASK_SPECIAL3(op) (MASK_OP_MAJOR(op) | (op & 0x3F)) 354 355 enum { 356 OPC_EXT = 0x00 | OPC_SPECIAL3, 357 OPC_DEXTM = 0x01 | OPC_SPECIAL3, 358 OPC_DEXTU = 0x02 | OPC_SPECIAL3, 359 OPC_DEXT = 0x03 | OPC_SPECIAL3, 360 OPC_INS = 0x04 | OPC_SPECIAL3, 361 OPC_DINSM = 0x05 | OPC_SPECIAL3, 362 OPC_DINSU = 0x06 | OPC_SPECIAL3, 363 OPC_DINS = 0x07 | OPC_SPECIAL3, 364 OPC_FORK = 0x08 | OPC_SPECIAL3, 365 OPC_YIELD = 0x09 | OPC_SPECIAL3, 366 OPC_BSHFL = 0x20 | OPC_SPECIAL3, 367 OPC_DBSHFL = 0x24 | OPC_SPECIAL3, 368 OPC_RDHWR = 0x3B | OPC_SPECIAL3, 369 OPC_GINV = 0x3D | OPC_SPECIAL3, 370 371 /* Loongson 2E */ 372 OPC_MULT_G_2E = 0x18 | OPC_SPECIAL3, 373 OPC_MULTU_G_2E = 0x19 | OPC_SPECIAL3, 374 OPC_DIV_G_2E = 0x1A | OPC_SPECIAL3, 375 OPC_DIVU_G_2E = 0x1B | OPC_SPECIAL3, 376 OPC_DMULT_G_2E = 0x1C | OPC_SPECIAL3, 377 OPC_DMULTU_G_2E = 0x1D | OPC_SPECIAL3, 378 OPC_DDIV_G_2E = 0x1E | OPC_SPECIAL3, 379 OPC_DDIVU_G_2E = 0x1F | OPC_SPECIAL3, 380 OPC_MOD_G_2E = 0x22 | OPC_SPECIAL3, 381 OPC_MODU_G_2E = 0x23 | OPC_SPECIAL3, 382 OPC_DMOD_G_2E = 0x26 | OPC_SPECIAL3, 383 OPC_DMODU_G_2E = 0x27 | OPC_SPECIAL3, 384 385 /* MIPS DSP Load */ 386 OPC_LX_DSP = 0x0A | OPC_SPECIAL3, 387 /* MIPS DSP Arithmetic */ 388 OPC_ADDU_QB_DSP = 0x10 | OPC_SPECIAL3, 389 OPC_ADDU_OB_DSP = 0x14 | OPC_SPECIAL3, 390 OPC_ABSQ_S_PH_DSP = 0x12 | OPC_SPECIAL3, 391 OPC_ABSQ_S_QH_DSP = 0x16 | OPC_SPECIAL3, 392 /* OPC_ADDUH_QB_DSP is same as OPC_MULT_G_2E. */ 393 /* OPC_ADDUH_QB_DSP = 0x18 | OPC_SPECIAL3, */ 394 OPC_CMPU_EQ_QB_DSP = 0x11 | OPC_SPECIAL3, 395 OPC_CMPU_EQ_OB_DSP = 0x15 | OPC_SPECIAL3, 396 /* MIPS DSP GPR-Based Shift Sub-class */ 397 OPC_SHLL_QB_DSP = 0x13 | OPC_SPECIAL3, 398 OPC_SHLL_OB_DSP = 0x17 | OPC_SPECIAL3, 399 /* MIPS DSP Multiply Sub-class insns */ 400 /* OPC_MUL_PH_DSP is same as OPC_ADDUH_QB_DSP. */ 401 /* OPC_MUL_PH_DSP = 0x18 | OPC_SPECIAL3, */ 402 OPC_DPA_W_PH_DSP = 0x30 | OPC_SPECIAL3, 403 OPC_DPAQ_W_QH_DSP = 0x34 | OPC_SPECIAL3, 404 /* DSP Bit/Manipulation Sub-class */ 405 OPC_INSV_DSP = 0x0C | OPC_SPECIAL3, 406 OPC_DINSV_DSP = 0x0D | OPC_SPECIAL3, 407 /* MIPS DSP Append Sub-class */ 408 OPC_APPEND_DSP = 0x31 | OPC_SPECIAL3, 409 OPC_DAPPEND_DSP = 0x35 | OPC_SPECIAL3, 410 /* MIPS DSP Accumulator and DSPControl Access Sub-class */ 411 OPC_EXTR_W_DSP = 0x38 | OPC_SPECIAL3, 412 OPC_DEXTR_W_DSP = 0x3C | OPC_SPECIAL3, 413 414 /* EVA */ 415 OPC_LWLE = 0x19 | OPC_SPECIAL3, 416 OPC_LWRE = 0x1A | OPC_SPECIAL3, 417 OPC_CACHEE = 0x1B | OPC_SPECIAL3, 418 OPC_SBE = 0x1C | OPC_SPECIAL3, 419 OPC_SHE = 0x1D | OPC_SPECIAL3, 420 OPC_SCE = 0x1E | OPC_SPECIAL3, 421 OPC_SWE = 0x1F | OPC_SPECIAL3, 422 OPC_SWLE = 0x21 | OPC_SPECIAL3, 423 OPC_SWRE = 0x22 | OPC_SPECIAL3, 424 OPC_PREFE = 0x23 | OPC_SPECIAL3, 425 OPC_LBUE = 0x28 | OPC_SPECIAL3, 426 OPC_LHUE = 0x29 | OPC_SPECIAL3, 427 OPC_LBE = 0x2C | OPC_SPECIAL3, 428 OPC_LHE = 0x2D | OPC_SPECIAL3, 429 OPC_LLE = 0x2E | OPC_SPECIAL3, 430 OPC_LWE = 0x2F | OPC_SPECIAL3, 431 432 /* R6 */ 433 R6_OPC_PREF = 0x35 | OPC_SPECIAL3, 434 R6_OPC_CACHE = 0x25 | OPC_SPECIAL3, 435 R6_OPC_LL = 0x36 | OPC_SPECIAL3, 436 R6_OPC_SC = 0x26 | OPC_SPECIAL3, 437 R6_OPC_LLD = 0x37 | OPC_SPECIAL3, 438 R6_OPC_SCD = 0x27 | OPC_SPECIAL3, 439 }; 440 441 /* Loongson EXT load/store quad word opcodes */ 442 #define MASK_LOONGSON_GSLSQ(op) (MASK_OP_MAJOR(op) | (op & 0x8020)) 443 enum { 444 OPC_GSLQ = 0x0020 | OPC_LWC2, 445 OPC_GSLQC1 = 0x8020 | OPC_LWC2, 446 OPC_GSSHFL = OPC_LWC2, 447 OPC_GSSQ = 0x0020 | OPC_SWC2, 448 OPC_GSSQC1 = 0x8020 | OPC_SWC2, 449 OPC_GSSHFS = OPC_SWC2, 450 }; 451 452 /* Loongson EXT shifted load/store opcodes */ 453 #define MASK_LOONGSON_GSSHFLS(op) (MASK_OP_MAJOR(op) | (op & 0xc03f)) 454 enum { 455 OPC_GSLWLC1 = 0x4 | OPC_GSSHFL, 456 OPC_GSLWRC1 = 0x5 | OPC_GSSHFL, 457 OPC_GSLDLC1 = 0x6 | OPC_GSSHFL, 458 OPC_GSLDRC1 = 0x7 | OPC_GSSHFL, 459 OPC_GSSWLC1 = 0x4 | OPC_GSSHFS, 460 OPC_GSSWRC1 = 0x5 | OPC_GSSHFS, 461 OPC_GSSDLC1 = 0x6 | OPC_GSSHFS, 462 OPC_GSSDRC1 = 0x7 | OPC_GSSHFS, 463 }; 464 465 /* Loongson EXT LDC2/SDC2 opcodes */ 466 #define MASK_LOONGSON_LSDC2(op) (MASK_OP_MAJOR(op) | (op & 0x7)) 467 468 enum { 469 OPC_GSLBX = 0x0 | OPC_LDC2, 470 OPC_GSLHX = 0x1 | OPC_LDC2, 471 OPC_GSLWX = 0x2 | OPC_LDC2, 472 OPC_GSLDX = 0x3 | OPC_LDC2, 473 OPC_GSLWXC1 = 0x6 | OPC_LDC2, 474 OPC_GSLDXC1 = 0x7 | OPC_LDC2, 475 OPC_GSSBX = 0x0 | OPC_SDC2, 476 OPC_GSSHX = 0x1 | OPC_SDC2, 477 OPC_GSSWX = 0x2 | OPC_SDC2, 478 OPC_GSSDX = 0x3 | OPC_SDC2, 479 OPC_GSSWXC1 = 0x6 | OPC_SDC2, 480 OPC_GSSDXC1 = 0x7 | OPC_SDC2, 481 }; 482 483 /* BSHFL opcodes */ 484 #define MASK_BSHFL(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 485 486 enum { 487 OPC_WSBH = (0x02 << 6) | OPC_BSHFL, 488 OPC_SEB = (0x10 << 6) | OPC_BSHFL, 489 OPC_SEH = (0x18 << 6) | OPC_BSHFL, 490 OPC_ALIGN = (0x08 << 6) | OPC_BSHFL, /* 010.bp (010.00 to 010.11) */ 491 OPC_ALIGN_1 = (0x09 << 6) | OPC_BSHFL, 492 OPC_ALIGN_2 = (0x0A << 6) | OPC_BSHFL, 493 OPC_ALIGN_3 = (0x0B << 6) | OPC_BSHFL, 494 OPC_BITSWAP = (0x00 << 6) | OPC_BSHFL /* 00000 */ 495 }; 496 497 /* DBSHFL opcodes */ 498 #define MASK_DBSHFL(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 499 500 enum { 501 OPC_DSBH = (0x02 << 6) | OPC_DBSHFL, 502 OPC_DSHD = (0x05 << 6) | OPC_DBSHFL, 503 OPC_DALIGN = (0x08 << 6) | OPC_DBSHFL, /* 01.bp (01.000 to 01.111) */ 504 OPC_DALIGN_1 = (0x09 << 6) | OPC_DBSHFL, 505 OPC_DALIGN_2 = (0x0A << 6) | OPC_DBSHFL, 506 OPC_DALIGN_3 = (0x0B << 6) | OPC_DBSHFL, 507 OPC_DALIGN_4 = (0x0C << 6) | OPC_DBSHFL, 508 OPC_DALIGN_5 = (0x0D << 6) | OPC_DBSHFL, 509 OPC_DALIGN_6 = (0x0E << 6) | OPC_DBSHFL, 510 OPC_DALIGN_7 = (0x0F << 6) | OPC_DBSHFL, 511 OPC_DBITSWAP = (0x00 << 6) | OPC_DBSHFL, /* 00000 */ 512 }; 513 514 /* MIPS DSP REGIMM opcodes */ 515 enum { 516 OPC_BPOSGE32 = (0x1C << 16) | OPC_REGIMM, 517 OPC_BPOSGE64 = (0x1D << 16) | OPC_REGIMM, 518 }; 519 520 #define MASK_LX(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 521 /* MIPS DSP Load */ 522 enum { 523 OPC_LBUX = (0x06 << 6) | OPC_LX_DSP, 524 OPC_LHX = (0x04 << 6) | OPC_LX_DSP, 525 OPC_LWX = (0x00 << 6) | OPC_LX_DSP, 526 OPC_LDX = (0x08 << 6) | OPC_LX_DSP, 527 }; 528 529 #define MASK_ADDU_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 530 enum { 531 /* MIPS DSP Arithmetic Sub-class */ 532 OPC_ADDQ_PH = (0x0A << 6) | OPC_ADDU_QB_DSP, 533 OPC_ADDQ_S_PH = (0x0E << 6) | OPC_ADDU_QB_DSP, 534 OPC_ADDQ_S_W = (0x16 << 6) | OPC_ADDU_QB_DSP, 535 OPC_ADDU_QB = (0x00 << 6) | OPC_ADDU_QB_DSP, 536 OPC_ADDU_S_QB = (0x04 << 6) | OPC_ADDU_QB_DSP, 537 OPC_ADDU_PH = (0x08 << 6) | OPC_ADDU_QB_DSP, 538 OPC_ADDU_S_PH = (0x0C << 6) | OPC_ADDU_QB_DSP, 539 OPC_SUBQ_PH = (0x0B << 6) | OPC_ADDU_QB_DSP, 540 OPC_SUBQ_S_PH = (0x0F << 6) | OPC_ADDU_QB_DSP, 541 OPC_SUBQ_S_W = (0x17 << 6) | OPC_ADDU_QB_DSP, 542 OPC_SUBU_QB = (0x01 << 6) | OPC_ADDU_QB_DSP, 543 OPC_SUBU_S_QB = (0x05 << 6) | OPC_ADDU_QB_DSP, 544 OPC_SUBU_PH = (0x09 << 6) | OPC_ADDU_QB_DSP, 545 OPC_SUBU_S_PH = (0x0D << 6) | OPC_ADDU_QB_DSP, 546 OPC_ADDSC = (0x10 << 6) | OPC_ADDU_QB_DSP, 547 OPC_ADDWC = (0x11 << 6) | OPC_ADDU_QB_DSP, 548 OPC_MODSUB = (0x12 << 6) | OPC_ADDU_QB_DSP, 549 OPC_RADDU_W_QB = (0x14 << 6) | OPC_ADDU_QB_DSP, 550 /* MIPS DSP Multiply Sub-class insns */ 551 OPC_MULEU_S_PH_QBL = (0x06 << 6) | OPC_ADDU_QB_DSP, 552 OPC_MULEU_S_PH_QBR = (0x07 << 6) | OPC_ADDU_QB_DSP, 553 OPC_MULQ_RS_PH = (0x1F << 6) | OPC_ADDU_QB_DSP, 554 OPC_MULEQ_S_W_PHL = (0x1C << 6) | OPC_ADDU_QB_DSP, 555 OPC_MULEQ_S_W_PHR = (0x1D << 6) | OPC_ADDU_QB_DSP, 556 OPC_MULQ_S_PH = (0x1E << 6) | OPC_ADDU_QB_DSP, 557 }; 558 559 #define OPC_ADDUH_QB_DSP OPC_MULT_G_2E 560 #define MASK_ADDUH_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 561 enum { 562 /* MIPS DSP Arithmetic Sub-class */ 563 OPC_ADDUH_QB = (0x00 << 6) | OPC_ADDUH_QB_DSP, 564 OPC_ADDUH_R_QB = (0x02 << 6) | OPC_ADDUH_QB_DSP, 565 OPC_ADDQH_PH = (0x08 << 6) | OPC_ADDUH_QB_DSP, 566 OPC_ADDQH_R_PH = (0x0A << 6) | OPC_ADDUH_QB_DSP, 567 OPC_ADDQH_W = (0x10 << 6) | OPC_ADDUH_QB_DSP, 568 OPC_ADDQH_R_W = (0x12 << 6) | OPC_ADDUH_QB_DSP, 569 OPC_SUBUH_QB = (0x01 << 6) | OPC_ADDUH_QB_DSP, 570 OPC_SUBUH_R_QB = (0x03 << 6) | OPC_ADDUH_QB_DSP, 571 OPC_SUBQH_PH = (0x09 << 6) | OPC_ADDUH_QB_DSP, 572 OPC_SUBQH_R_PH = (0x0B << 6) | OPC_ADDUH_QB_DSP, 573 OPC_SUBQH_W = (0x11 << 6) | OPC_ADDUH_QB_DSP, 574 OPC_SUBQH_R_W = (0x13 << 6) | OPC_ADDUH_QB_DSP, 575 /* MIPS DSP Multiply Sub-class insns */ 576 OPC_MUL_PH = (0x0C << 6) | OPC_ADDUH_QB_DSP, 577 OPC_MUL_S_PH = (0x0E << 6) | OPC_ADDUH_QB_DSP, 578 OPC_MULQ_S_W = (0x16 << 6) | OPC_ADDUH_QB_DSP, 579 OPC_MULQ_RS_W = (0x17 << 6) | OPC_ADDUH_QB_DSP, 580 }; 581 582 #define MASK_ABSQ_S_PH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 583 enum { 584 /* MIPS DSP Arithmetic Sub-class */ 585 OPC_ABSQ_S_QB = (0x01 << 6) | OPC_ABSQ_S_PH_DSP, 586 OPC_ABSQ_S_PH = (0x09 << 6) | OPC_ABSQ_S_PH_DSP, 587 OPC_ABSQ_S_W = (0x11 << 6) | OPC_ABSQ_S_PH_DSP, 588 OPC_PRECEQ_W_PHL = (0x0C << 6) | OPC_ABSQ_S_PH_DSP, 589 OPC_PRECEQ_W_PHR = (0x0D << 6) | OPC_ABSQ_S_PH_DSP, 590 OPC_PRECEQU_PH_QBL = (0x04 << 6) | OPC_ABSQ_S_PH_DSP, 591 OPC_PRECEQU_PH_QBR = (0x05 << 6) | OPC_ABSQ_S_PH_DSP, 592 OPC_PRECEQU_PH_QBLA = (0x06 << 6) | OPC_ABSQ_S_PH_DSP, 593 OPC_PRECEQU_PH_QBRA = (0x07 << 6) | OPC_ABSQ_S_PH_DSP, 594 OPC_PRECEU_PH_QBL = (0x1C << 6) | OPC_ABSQ_S_PH_DSP, 595 OPC_PRECEU_PH_QBR = (0x1D << 6) | OPC_ABSQ_S_PH_DSP, 596 OPC_PRECEU_PH_QBLA = (0x1E << 6) | OPC_ABSQ_S_PH_DSP, 597 OPC_PRECEU_PH_QBRA = (0x1F << 6) | OPC_ABSQ_S_PH_DSP, 598 /* DSP Bit/Manipulation Sub-class */ 599 OPC_BITREV = (0x1B << 6) | OPC_ABSQ_S_PH_DSP, 600 OPC_REPL_QB = (0x02 << 6) | OPC_ABSQ_S_PH_DSP, 601 OPC_REPLV_QB = (0x03 << 6) | OPC_ABSQ_S_PH_DSP, 602 OPC_REPL_PH = (0x0A << 6) | OPC_ABSQ_S_PH_DSP, 603 OPC_REPLV_PH = (0x0B << 6) | OPC_ABSQ_S_PH_DSP, 604 }; 605 606 #define MASK_CMPU_EQ_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 607 enum { 608 /* MIPS DSP Arithmetic Sub-class */ 609 OPC_PRECR_QB_PH = (0x0D << 6) | OPC_CMPU_EQ_QB_DSP, 610 OPC_PRECRQ_QB_PH = (0x0C << 6) | OPC_CMPU_EQ_QB_DSP, 611 OPC_PRECR_SRA_PH_W = (0x1E << 6) | OPC_CMPU_EQ_QB_DSP, 612 OPC_PRECR_SRA_R_PH_W = (0x1F << 6) | OPC_CMPU_EQ_QB_DSP, 613 OPC_PRECRQ_PH_W = (0x14 << 6) | OPC_CMPU_EQ_QB_DSP, 614 OPC_PRECRQ_RS_PH_W = (0x15 << 6) | OPC_CMPU_EQ_QB_DSP, 615 OPC_PRECRQU_S_QB_PH = (0x0F << 6) | OPC_CMPU_EQ_QB_DSP, 616 /* DSP Compare-Pick Sub-class */ 617 OPC_CMPU_EQ_QB = (0x00 << 6) | OPC_CMPU_EQ_QB_DSP, 618 OPC_CMPU_LT_QB = (0x01 << 6) | OPC_CMPU_EQ_QB_DSP, 619 OPC_CMPU_LE_QB = (0x02 << 6) | OPC_CMPU_EQ_QB_DSP, 620 OPC_CMPGU_EQ_QB = (0x04 << 6) | OPC_CMPU_EQ_QB_DSP, 621 OPC_CMPGU_LT_QB = (0x05 << 6) | OPC_CMPU_EQ_QB_DSP, 622 OPC_CMPGU_LE_QB = (0x06 << 6) | OPC_CMPU_EQ_QB_DSP, 623 OPC_CMPGDU_EQ_QB = (0x18 << 6) | OPC_CMPU_EQ_QB_DSP, 624 OPC_CMPGDU_LT_QB = (0x19 << 6) | OPC_CMPU_EQ_QB_DSP, 625 OPC_CMPGDU_LE_QB = (0x1A << 6) | OPC_CMPU_EQ_QB_DSP, 626 OPC_CMP_EQ_PH = (0x08 << 6) | OPC_CMPU_EQ_QB_DSP, 627 OPC_CMP_LT_PH = (0x09 << 6) | OPC_CMPU_EQ_QB_DSP, 628 OPC_CMP_LE_PH = (0x0A << 6) | OPC_CMPU_EQ_QB_DSP, 629 OPC_PICK_QB = (0x03 << 6) | OPC_CMPU_EQ_QB_DSP, 630 OPC_PICK_PH = (0x0B << 6) | OPC_CMPU_EQ_QB_DSP, 631 OPC_PACKRL_PH = (0x0E << 6) | OPC_CMPU_EQ_QB_DSP, 632 }; 633 634 #define MASK_SHLL_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 635 enum { 636 /* MIPS DSP GPR-Based Shift Sub-class */ 637 OPC_SHLL_QB = (0x00 << 6) | OPC_SHLL_QB_DSP, 638 OPC_SHLLV_QB = (0x02 << 6) | OPC_SHLL_QB_DSP, 639 OPC_SHLL_PH = (0x08 << 6) | OPC_SHLL_QB_DSP, 640 OPC_SHLLV_PH = (0x0A << 6) | OPC_SHLL_QB_DSP, 641 OPC_SHLL_S_PH = (0x0C << 6) | OPC_SHLL_QB_DSP, 642 OPC_SHLLV_S_PH = (0x0E << 6) | OPC_SHLL_QB_DSP, 643 OPC_SHLL_S_W = (0x14 << 6) | OPC_SHLL_QB_DSP, 644 OPC_SHLLV_S_W = (0x16 << 6) | OPC_SHLL_QB_DSP, 645 OPC_SHRL_QB = (0x01 << 6) | OPC_SHLL_QB_DSP, 646 OPC_SHRLV_QB = (0x03 << 6) | OPC_SHLL_QB_DSP, 647 OPC_SHRL_PH = (0x19 << 6) | OPC_SHLL_QB_DSP, 648 OPC_SHRLV_PH = (0x1B << 6) | OPC_SHLL_QB_DSP, 649 OPC_SHRA_QB = (0x04 << 6) | OPC_SHLL_QB_DSP, 650 OPC_SHRA_R_QB = (0x05 << 6) | OPC_SHLL_QB_DSP, 651 OPC_SHRAV_QB = (0x06 << 6) | OPC_SHLL_QB_DSP, 652 OPC_SHRAV_R_QB = (0x07 << 6) | OPC_SHLL_QB_DSP, 653 OPC_SHRA_PH = (0x09 << 6) | OPC_SHLL_QB_DSP, 654 OPC_SHRAV_PH = (0x0B << 6) | OPC_SHLL_QB_DSP, 655 OPC_SHRA_R_PH = (0x0D << 6) | OPC_SHLL_QB_DSP, 656 OPC_SHRAV_R_PH = (0x0F << 6) | OPC_SHLL_QB_DSP, 657 OPC_SHRA_R_W = (0x15 << 6) | OPC_SHLL_QB_DSP, 658 OPC_SHRAV_R_W = (0x17 << 6) | OPC_SHLL_QB_DSP, 659 }; 660 661 #define MASK_DPA_W_PH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 662 enum { 663 /* MIPS DSP Multiply Sub-class insns */ 664 OPC_DPAU_H_QBL = (0x03 << 6) | OPC_DPA_W_PH_DSP, 665 OPC_DPAU_H_QBR = (0x07 << 6) | OPC_DPA_W_PH_DSP, 666 OPC_DPSU_H_QBL = (0x0B << 6) | OPC_DPA_W_PH_DSP, 667 OPC_DPSU_H_QBR = (0x0F << 6) | OPC_DPA_W_PH_DSP, 668 OPC_DPA_W_PH = (0x00 << 6) | OPC_DPA_W_PH_DSP, 669 OPC_DPAX_W_PH = (0x08 << 6) | OPC_DPA_W_PH_DSP, 670 OPC_DPAQ_S_W_PH = (0x04 << 6) | OPC_DPA_W_PH_DSP, 671 OPC_DPAQX_S_W_PH = (0x18 << 6) | OPC_DPA_W_PH_DSP, 672 OPC_DPAQX_SA_W_PH = (0x1A << 6) | OPC_DPA_W_PH_DSP, 673 OPC_DPS_W_PH = (0x01 << 6) | OPC_DPA_W_PH_DSP, 674 OPC_DPSX_W_PH = (0x09 << 6) | OPC_DPA_W_PH_DSP, 675 OPC_DPSQ_S_W_PH = (0x05 << 6) | OPC_DPA_W_PH_DSP, 676 OPC_DPSQX_S_W_PH = (0x19 << 6) | OPC_DPA_W_PH_DSP, 677 OPC_DPSQX_SA_W_PH = (0x1B << 6) | OPC_DPA_W_PH_DSP, 678 OPC_MULSAQ_S_W_PH = (0x06 << 6) | OPC_DPA_W_PH_DSP, 679 OPC_DPAQ_SA_L_W = (0x0C << 6) | OPC_DPA_W_PH_DSP, 680 OPC_DPSQ_SA_L_W = (0x0D << 6) | OPC_DPA_W_PH_DSP, 681 OPC_MAQ_S_W_PHL = (0x14 << 6) | OPC_DPA_W_PH_DSP, 682 OPC_MAQ_S_W_PHR = (0x16 << 6) | OPC_DPA_W_PH_DSP, 683 OPC_MAQ_SA_W_PHL = (0x10 << 6) | OPC_DPA_W_PH_DSP, 684 OPC_MAQ_SA_W_PHR = (0x12 << 6) | OPC_DPA_W_PH_DSP, 685 OPC_MULSA_W_PH = (0x02 << 6) | OPC_DPA_W_PH_DSP, 686 }; 687 688 #define MASK_INSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 689 enum { 690 /* DSP Bit/Manipulation Sub-class */ 691 OPC_INSV = (0x00 << 6) | OPC_INSV_DSP, 692 }; 693 694 #define MASK_APPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 695 enum { 696 /* MIPS DSP Append Sub-class */ 697 OPC_APPEND = (0x00 << 6) | OPC_APPEND_DSP, 698 OPC_PREPEND = (0x01 << 6) | OPC_APPEND_DSP, 699 OPC_BALIGN = (0x10 << 6) | OPC_APPEND_DSP, 700 }; 701 702 #define MASK_EXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 703 enum { 704 /* MIPS DSP Accumulator and DSPControl Access Sub-class */ 705 OPC_EXTR_W = (0x00 << 6) | OPC_EXTR_W_DSP, 706 OPC_EXTR_R_W = (0x04 << 6) | OPC_EXTR_W_DSP, 707 OPC_EXTR_RS_W = (0x06 << 6) | OPC_EXTR_W_DSP, 708 OPC_EXTR_S_H = (0x0E << 6) | OPC_EXTR_W_DSP, 709 OPC_EXTRV_S_H = (0x0F << 6) | OPC_EXTR_W_DSP, 710 OPC_EXTRV_W = (0x01 << 6) | OPC_EXTR_W_DSP, 711 OPC_EXTRV_R_W = (0x05 << 6) | OPC_EXTR_W_DSP, 712 OPC_EXTRV_RS_W = (0x07 << 6) | OPC_EXTR_W_DSP, 713 OPC_EXTP = (0x02 << 6) | OPC_EXTR_W_DSP, 714 OPC_EXTPV = (0x03 << 6) | OPC_EXTR_W_DSP, 715 OPC_EXTPDP = (0x0A << 6) | OPC_EXTR_W_DSP, 716 OPC_EXTPDPV = (0x0B << 6) | OPC_EXTR_W_DSP, 717 OPC_SHILO = (0x1A << 6) | OPC_EXTR_W_DSP, 718 OPC_SHILOV = (0x1B << 6) | OPC_EXTR_W_DSP, 719 OPC_MTHLIP = (0x1F << 6) | OPC_EXTR_W_DSP, 720 OPC_WRDSP = (0x13 << 6) | OPC_EXTR_W_DSP, 721 OPC_RDDSP = (0x12 << 6) | OPC_EXTR_W_DSP, 722 }; 723 724 #define MASK_ABSQ_S_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 725 enum { 726 /* MIPS DSP Arithmetic Sub-class */ 727 OPC_PRECEQ_L_PWL = (0x14 << 6) | OPC_ABSQ_S_QH_DSP, 728 OPC_PRECEQ_L_PWR = (0x15 << 6) | OPC_ABSQ_S_QH_DSP, 729 OPC_PRECEQ_PW_QHL = (0x0C << 6) | OPC_ABSQ_S_QH_DSP, 730 OPC_PRECEQ_PW_QHR = (0x0D << 6) | OPC_ABSQ_S_QH_DSP, 731 OPC_PRECEQ_PW_QHLA = (0x0E << 6) | OPC_ABSQ_S_QH_DSP, 732 OPC_PRECEQ_PW_QHRA = (0x0F << 6) | OPC_ABSQ_S_QH_DSP, 733 OPC_PRECEQU_QH_OBL = (0x04 << 6) | OPC_ABSQ_S_QH_DSP, 734 OPC_PRECEQU_QH_OBR = (0x05 << 6) | OPC_ABSQ_S_QH_DSP, 735 OPC_PRECEQU_QH_OBLA = (0x06 << 6) | OPC_ABSQ_S_QH_DSP, 736 OPC_PRECEQU_QH_OBRA = (0x07 << 6) | OPC_ABSQ_S_QH_DSP, 737 OPC_PRECEU_QH_OBL = (0x1C << 6) | OPC_ABSQ_S_QH_DSP, 738 OPC_PRECEU_QH_OBR = (0x1D << 6) | OPC_ABSQ_S_QH_DSP, 739 OPC_PRECEU_QH_OBLA = (0x1E << 6) | OPC_ABSQ_S_QH_DSP, 740 OPC_PRECEU_QH_OBRA = (0x1F << 6) | OPC_ABSQ_S_QH_DSP, 741 OPC_ABSQ_S_OB = (0x01 << 6) | OPC_ABSQ_S_QH_DSP, 742 OPC_ABSQ_S_PW = (0x11 << 6) | OPC_ABSQ_S_QH_DSP, 743 OPC_ABSQ_S_QH = (0x09 << 6) | OPC_ABSQ_S_QH_DSP, 744 /* DSP Bit/Manipulation Sub-class */ 745 OPC_REPL_OB = (0x02 << 6) | OPC_ABSQ_S_QH_DSP, 746 OPC_REPL_PW = (0x12 << 6) | OPC_ABSQ_S_QH_DSP, 747 OPC_REPL_QH = (0x0A << 6) | OPC_ABSQ_S_QH_DSP, 748 OPC_REPLV_OB = (0x03 << 6) | OPC_ABSQ_S_QH_DSP, 749 OPC_REPLV_PW = (0x13 << 6) | OPC_ABSQ_S_QH_DSP, 750 OPC_REPLV_QH = (0x0B << 6) | OPC_ABSQ_S_QH_DSP, 751 }; 752 753 #define MASK_ADDU_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 754 enum { 755 /* MIPS DSP Multiply Sub-class insns */ 756 OPC_MULEQ_S_PW_QHL = (0x1C << 6) | OPC_ADDU_OB_DSP, 757 OPC_MULEQ_S_PW_QHR = (0x1D << 6) | OPC_ADDU_OB_DSP, 758 OPC_MULEU_S_QH_OBL = (0x06 << 6) | OPC_ADDU_OB_DSP, 759 OPC_MULEU_S_QH_OBR = (0x07 << 6) | OPC_ADDU_OB_DSP, 760 OPC_MULQ_RS_QH = (0x1F << 6) | OPC_ADDU_OB_DSP, 761 /* MIPS DSP Arithmetic Sub-class */ 762 OPC_RADDU_L_OB = (0x14 << 6) | OPC_ADDU_OB_DSP, 763 OPC_SUBQ_PW = (0x13 << 6) | OPC_ADDU_OB_DSP, 764 OPC_SUBQ_S_PW = (0x17 << 6) | OPC_ADDU_OB_DSP, 765 OPC_SUBQ_QH = (0x0B << 6) | OPC_ADDU_OB_DSP, 766 OPC_SUBQ_S_QH = (0x0F << 6) | OPC_ADDU_OB_DSP, 767 OPC_SUBU_OB = (0x01 << 6) | OPC_ADDU_OB_DSP, 768 OPC_SUBU_S_OB = (0x05 << 6) | OPC_ADDU_OB_DSP, 769 OPC_SUBU_QH = (0x09 << 6) | OPC_ADDU_OB_DSP, 770 OPC_SUBU_S_QH = (0x0D << 6) | OPC_ADDU_OB_DSP, 771 OPC_SUBUH_OB = (0x19 << 6) | OPC_ADDU_OB_DSP, 772 OPC_SUBUH_R_OB = (0x1B << 6) | OPC_ADDU_OB_DSP, 773 OPC_ADDQ_PW = (0x12 << 6) | OPC_ADDU_OB_DSP, 774 OPC_ADDQ_S_PW = (0x16 << 6) | OPC_ADDU_OB_DSP, 775 OPC_ADDQ_QH = (0x0A << 6) | OPC_ADDU_OB_DSP, 776 OPC_ADDQ_S_QH = (0x0E << 6) | OPC_ADDU_OB_DSP, 777 OPC_ADDU_OB = (0x00 << 6) | OPC_ADDU_OB_DSP, 778 OPC_ADDU_S_OB = (0x04 << 6) | OPC_ADDU_OB_DSP, 779 OPC_ADDU_QH = (0x08 << 6) | OPC_ADDU_OB_DSP, 780 OPC_ADDU_S_QH = (0x0C << 6) | OPC_ADDU_OB_DSP, 781 OPC_ADDUH_OB = (0x18 << 6) | OPC_ADDU_OB_DSP, 782 OPC_ADDUH_R_OB = (0x1A << 6) | OPC_ADDU_OB_DSP, 783 }; 784 785 #define MASK_CMPU_EQ_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 786 enum { 787 /* DSP Compare-Pick Sub-class */ 788 OPC_CMP_EQ_PW = (0x10 << 6) | OPC_CMPU_EQ_OB_DSP, 789 OPC_CMP_LT_PW = (0x11 << 6) | OPC_CMPU_EQ_OB_DSP, 790 OPC_CMP_LE_PW = (0x12 << 6) | OPC_CMPU_EQ_OB_DSP, 791 OPC_CMP_EQ_QH = (0x08 << 6) | OPC_CMPU_EQ_OB_DSP, 792 OPC_CMP_LT_QH = (0x09 << 6) | OPC_CMPU_EQ_OB_DSP, 793 OPC_CMP_LE_QH = (0x0A << 6) | OPC_CMPU_EQ_OB_DSP, 794 OPC_CMPGDU_EQ_OB = (0x18 << 6) | OPC_CMPU_EQ_OB_DSP, 795 OPC_CMPGDU_LT_OB = (0x19 << 6) | OPC_CMPU_EQ_OB_DSP, 796 OPC_CMPGDU_LE_OB = (0x1A << 6) | OPC_CMPU_EQ_OB_DSP, 797 OPC_CMPGU_EQ_OB = (0x04 << 6) | OPC_CMPU_EQ_OB_DSP, 798 OPC_CMPGU_LT_OB = (0x05 << 6) | OPC_CMPU_EQ_OB_DSP, 799 OPC_CMPGU_LE_OB = (0x06 << 6) | OPC_CMPU_EQ_OB_DSP, 800 OPC_CMPU_EQ_OB = (0x00 << 6) | OPC_CMPU_EQ_OB_DSP, 801 OPC_CMPU_LT_OB = (0x01 << 6) | OPC_CMPU_EQ_OB_DSP, 802 OPC_CMPU_LE_OB = (0x02 << 6) | OPC_CMPU_EQ_OB_DSP, 803 OPC_PACKRL_PW = (0x0E << 6) | OPC_CMPU_EQ_OB_DSP, 804 OPC_PICK_OB = (0x03 << 6) | OPC_CMPU_EQ_OB_DSP, 805 OPC_PICK_PW = (0x13 << 6) | OPC_CMPU_EQ_OB_DSP, 806 OPC_PICK_QH = (0x0B << 6) | OPC_CMPU_EQ_OB_DSP, 807 /* MIPS DSP Arithmetic Sub-class */ 808 OPC_PRECR_OB_QH = (0x0D << 6) | OPC_CMPU_EQ_OB_DSP, 809 OPC_PRECR_SRA_QH_PW = (0x1E << 6) | OPC_CMPU_EQ_OB_DSP, 810 OPC_PRECR_SRA_R_QH_PW = (0x1F << 6) | OPC_CMPU_EQ_OB_DSP, 811 OPC_PRECRQ_OB_QH = (0x0C << 6) | OPC_CMPU_EQ_OB_DSP, 812 OPC_PRECRQ_PW_L = (0x1C << 6) | OPC_CMPU_EQ_OB_DSP, 813 OPC_PRECRQ_QH_PW = (0x14 << 6) | OPC_CMPU_EQ_OB_DSP, 814 OPC_PRECRQ_RS_QH_PW = (0x15 << 6) | OPC_CMPU_EQ_OB_DSP, 815 OPC_PRECRQU_S_OB_QH = (0x0F << 6) | OPC_CMPU_EQ_OB_DSP, 816 }; 817 818 #define MASK_DAPPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 819 enum { 820 /* DSP Append Sub-class */ 821 OPC_DAPPEND = (0x00 << 6) | OPC_DAPPEND_DSP, 822 OPC_PREPENDD = (0x03 << 6) | OPC_DAPPEND_DSP, 823 OPC_PREPENDW = (0x01 << 6) | OPC_DAPPEND_DSP, 824 OPC_DBALIGN = (0x10 << 6) | OPC_DAPPEND_DSP, 825 }; 826 827 #define MASK_DEXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 828 enum { 829 /* MIPS DSP Accumulator and DSPControl Access Sub-class */ 830 OPC_DMTHLIP = (0x1F << 6) | OPC_DEXTR_W_DSP, 831 OPC_DSHILO = (0x1A << 6) | OPC_DEXTR_W_DSP, 832 OPC_DEXTP = (0x02 << 6) | OPC_DEXTR_W_DSP, 833 OPC_DEXTPDP = (0x0A << 6) | OPC_DEXTR_W_DSP, 834 OPC_DEXTPDPV = (0x0B << 6) | OPC_DEXTR_W_DSP, 835 OPC_DEXTPV = (0x03 << 6) | OPC_DEXTR_W_DSP, 836 OPC_DEXTR_L = (0x10 << 6) | OPC_DEXTR_W_DSP, 837 OPC_DEXTR_R_L = (0x14 << 6) | OPC_DEXTR_W_DSP, 838 OPC_DEXTR_RS_L = (0x16 << 6) | OPC_DEXTR_W_DSP, 839 OPC_DEXTR_W = (0x00 << 6) | OPC_DEXTR_W_DSP, 840 OPC_DEXTR_R_W = (0x04 << 6) | OPC_DEXTR_W_DSP, 841 OPC_DEXTR_RS_W = (0x06 << 6) | OPC_DEXTR_W_DSP, 842 OPC_DEXTR_S_H = (0x0E << 6) | OPC_DEXTR_W_DSP, 843 OPC_DEXTRV_L = (0x11 << 6) | OPC_DEXTR_W_DSP, 844 OPC_DEXTRV_R_L = (0x15 << 6) | OPC_DEXTR_W_DSP, 845 OPC_DEXTRV_RS_L = (0x17 << 6) | OPC_DEXTR_W_DSP, 846 OPC_DEXTRV_S_H = (0x0F << 6) | OPC_DEXTR_W_DSP, 847 OPC_DEXTRV_W = (0x01 << 6) | OPC_DEXTR_W_DSP, 848 OPC_DEXTRV_R_W = (0x05 << 6) | OPC_DEXTR_W_DSP, 849 OPC_DEXTRV_RS_W = (0x07 << 6) | OPC_DEXTR_W_DSP, 850 OPC_DSHILOV = (0x1B << 6) | OPC_DEXTR_W_DSP, 851 }; 852 853 #define MASK_DINSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 854 enum { 855 /* DSP Bit/Manipulation Sub-class */ 856 OPC_DINSV = (0x00 << 6) | OPC_DINSV_DSP, 857 }; 858 859 #define MASK_DPAQ_W_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 860 enum { 861 /* MIPS DSP Multiply Sub-class insns */ 862 OPC_DMADD = (0x19 << 6) | OPC_DPAQ_W_QH_DSP, 863 OPC_DMADDU = (0x1D << 6) | OPC_DPAQ_W_QH_DSP, 864 OPC_DMSUB = (0x1B << 6) | OPC_DPAQ_W_QH_DSP, 865 OPC_DMSUBU = (0x1F << 6) | OPC_DPAQ_W_QH_DSP, 866 OPC_DPA_W_QH = (0x00 << 6) | OPC_DPAQ_W_QH_DSP, 867 OPC_DPAQ_S_W_QH = (0x04 << 6) | OPC_DPAQ_W_QH_DSP, 868 OPC_DPAQ_SA_L_PW = (0x0C << 6) | OPC_DPAQ_W_QH_DSP, 869 OPC_DPAU_H_OBL = (0x03 << 6) | OPC_DPAQ_W_QH_DSP, 870 OPC_DPAU_H_OBR = (0x07 << 6) | OPC_DPAQ_W_QH_DSP, 871 OPC_DPS_W_QH = (0x01 << 6) | OPC_DPAQ_W_QH_DSP, 872 OPC_DPSQ_S_W_QH = (0x05 << 6) | OPC_DPAQ_W_QH_DSP, 873 OPC_DPSQ_SA_L_PW = (0x0D << 6) | OPC_DPAQ_W_QH_DSP, 874 OPC_DPSU_H_OBL = (0x0B << 6) | OPC_DPAQ_W_QH_DSP, 875 OPC_DPSU_H_OBR = (0x0F << 6) | OPC_DPAQ_W_QH_DSP, 876 OPC_MAQ_S_L_PWL = (0x1C << 6) | OPC_DPAQ_W_QH_DSP, 877 OPC_MAQ_S_L_PWR = (0x1E << 6) | OPC_DPAQ_W_QH_DSP, 878 OPC_MAQ_S_W_QHLL = (0x14 << 6) | OPC_DPAQ_W_QH_DSP, 879 OPC_MAQ_SA_W_QHLL = (0x10 << 6) | OPC_DPAQ_W_QH_DSP, 880 OPC_MAQ_S_W_QHLR = (0x15 << 6) | OPC_DPAQ_W_QH_DSP, 881 OPC_MAQ_SA_W_QHLR = (0x11 << 6) | OPC_DPAQ_W_QH_DSP, 882 OPC_MAQ_S_W_QHRL = (0x16 << 6) | OPC_DPAQ_W_QH_DSP, 883 OPC_MAQ_SA_W_QHRL = (0x12 << 6) | OPC_DPAQ_W_QH_DSP, 884 OPC_MAQ_S_W_QHRR = (0x17 << 6) | OPC_DPAQ_W_QH_DSP, 885 OPC_MAQ_SA_W_QHRR = (0x13 << 6) | OPC_DPAQ_W_QH_DSP, 886 OPC_MULSAQ_S_L_PW = (0x0E << 6) | OPC_DPAQ_W_QH_DSP, 887 OPC_MULSAQ_S_W_QH = (0x06 << 6) | OPC_DPAQ_W_QH_DSP, 888 }; 889 890 #define MASK_SHLL_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 891 enum { 892 /* MIPS DSP GPR-Based Shift Sub-class */ 893 OPC_SHLL_PW = (0x10 << 6) | OPC_SHLL_OB_DSP, 894 OPC_SHLL_S_PW = (0x14 << 6) | OPC_SHLL_OB_DSP, 895 OPC_SHLLV_OB = (0x02 << 6) | OPC_SHLL_OB_DSP, 896 OPC_SHLLV_PW = (0x12 << 6) | OPC_SHLL_OB_DSP, 897 OPC_SHLLV_S_PW = (0x16 << 6) | OPC_SHLL_OB_DSP, 898 OPC_SHLLV_QH = (0x0A << 6) | OPC_SHLL_OB_DSP, 899 OPC_SHLLV_S_QH = (0x0E << 6) | OPC_SHLL_OB_DSP, 900 OPC_SHRA_PW = (0x11 << 6) | OPC_SHLL_OB_DSP, 901 OPC_SHRA_R_PW = (0x15 << 6) | OPC_SHLL_OB_DSP, 902 OPC_SHRAV_OB = (0x06 << 6) | OPC_SHLL_OB_DSP, 903 OPC_SHRAV_R_OB = (0x07 << 6) | OPC_SHLL_OB_DSP, 904 OPC_SHRAV_PW = (0x13 << 6) | OPC_SHLL_OB_DSP, 905 OPC_SHRAV_R_PW = (0x17 << 6) | OPC_SHLL_OB_DSP, 906 OPC_SHRAV_QH = (0x0B << 6) | OPC_SHLL_OB_DSP, 907 OPC_SHRAV_R_QH = (0x0F << 6) | OPC_SHLL_OB_DSP, 908 OPC_SHRLV_OB = (0x03 << 6) | OPC_SHLL_OB_DSP, 909 OPC_SHRLV_QH = (0x1B << 6) | OPC_SHLL_OB_DSP, 910 OPC_SHLL_OB = (0x00 << 6) | OPC_SHLL_OB_DSP, 911 OPC_SHLL_QH = (0x08 << 6) | OPC_SHLL_OB_DSP, 912 OPC_SHLL_S_QH = (0x0C << 6) | OPC_SHLL_OB_DSP, 913 OPC_SHRA_OB = (0x04 << 6) | OPC_SHLL_OB_DSP, 914 OPC_SHRA_R_OB = (0x05 << 6) | OPC_SHLL_OB_DSP, 915 OPC_SHRA_QH = (0x09 << 6) | OPC_SHLL_OB_DSP, 916 OPC_SHRA_R_QH = (0x0D << 6) | OPC_SHLL_OB_DSP, 917 OPC_SHRL_OB = (0x01 << 6) | OPC_SHLL_OB_DSP, 918 OPC_SHRL_QH = (0x19 << 6) | OPC_SHLL_OB_DSP, 919 }; 920 921 /* Coprocessor 0 (rs field) */ 922 #define MASK_CP0(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21))) 923 924 enum { 925 OPC_MFC0 = (0x00 << 21) | OPC_CP0, 926 OPC_DMFC0 = (0x01 << 21) | OPC_CP0, 927 OPC_MFHC0 = (0x02 << 21) | OPC_CP0, 928 OPC_MTC0 = (0x04 << 21) | OPC_CP0, 929 OPC_DMTC0 = (0x05 << 21) | OPC_CP0, 930 OPC_MTHC0 = (0x06 << 21) | OPC_CP0, 931 OPC_MFTR = (0x08 << 21) | OPC_CP0, 932 OPC_RDPGPR = (0x0A << 21) | OPC_CP0, 933 OPC_MFMC0 = (0x0B << 21) | OPC_CP0, 934 OPC_MTTR = (0x0C << 21) | OPC_CP0, 935 OPC_WRPGPR = (0x0E << 21) | OPC_CP0, 936 OPC_C0 = (0x10 << 21) | OPC_CP0, 937 OPC_C0_1 = (0x11 << 21) | OPC_CP0, 938 OPC_C0_2 = (0x12 << 21) | OPC_CP0, 939 OPC_C0_3 = (0x13 << 21) | OPC_CP0, 940 OPC_C0_4 = (0x14 << 21) | OPC_CP0, 941 OPC_C0_5 = (0x15 << 21) | OPC_CP0, 942 OPC_C0_6 = (0x16 << 21) | OPC_CP0, 943 OPC_C0_7 = (0x17 << 21) | OPC_CP0, 944 OPC_C0_8 = (0x18 << 21) | OPC_CP0, 945 OPC_C0_9 = (0x19 << 21) | OPC_CP0, 946 OPC_C0_A = (0x1A << 21) | OPC_CP0, 947 OPC_C0_B = (0x1B << 21) | OPC_CP0, 948 OPC_C0_C = (0x1C << 21) | OPC_CP0, 949 OPC_C0_D = (0x1D << 21) | OPC_CP0, 950 OPC_C0_E = (0x1E << 21) | OPC_CP0, 951 OPC_C0_F = (0x1F << 21) | OPC_CP0, 952 }; 953 954 /* MFMC0 opcodes */ 955 #define MASK_MFMC0(op) (MASK_CP0(op) | (op & 0xFFFF)) 956 957 enum { 958 OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, 959 OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, 960 OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0, 961 OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0, 962 OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0, 963 OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0, 964 OPC_DVP = 0x04 | (0 << 3) | (1 << 5) | (0 << 11) | OPC_MFMC0, 965 OPC_EVP = 0x04 | (0 << 3) | (0 << 5) | (0 << 11) | OPC_MFMC0, 966 }; 967 968 /* Coprocessor 0 (with rs == C0) */ 969 #define MASK_C0(op) (MASK_CP0(op) | (op & 0x3F)) 970 971 enum { 972 OPC_TLBR = 0x01 | OPC_C0, 973 OPC_TLBWI = 0x02 | OPC_C0, 974 OPC_TLBINV = 0x03 | OPC_C0, 975 OPC_TLBINVF = 0x04 | OPC_C0, 976 OPC_TLBWR = 0x06 | OPC_C0, 977 OPC_TLBP = 0x08 | OPC_C0, 978 OPC_RFE = 0x10 | OPC_C0, 979 OPC_ERET = 0x18 | OPC_C0, 980 OPC_DERET = 0x1F | OPC_C0, 981 OPC_WAIT = 0x20 | OPC_C0, 982 }; 983 984 #define MASK_CP2(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21))) 985 986 enum { 987 OPC_MFC2 = (0x00 << 21) | OPC_CP2, 988 OPC_DMFC2 = (0x01 << 21) | OPC_CP2, 989 OPC_CFC2 = (0x02 << 21) | OPC_CP2, 990 OPC_MFHC2 = (0x03 << 21) | OPC_CP2, 991 OPC_MTC2 = (0x04 << 21) | OPC_CP2, 992 OPC_DMTC2 = (0x05 << 21) | OPC_CP2, 993 OPC_CTC2 = (0x06 << 21) | OPC_CP2, 994 OPC_MTHC2 = (0x07 << 21) | OPC_CP2, 995 OPC_BC2 = (0x08 << 21) | OPC_CP2, 996 OPC_BC2EQZ = (0x09 << 21) | OPC_CP2, 997 OPC_BC2NEZ = (0x0D << 21) | OPC_CP2, 998 }; 999 1000 #define MASK_LMMI(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)) | (op & 0x1F)) 1001 1002 enum { 1003 OPC_PADDSH = (24 << 21) | (0x00) | OPC_CP2, 1004 OPC_PADDUSH = (25 << 21) | (0x00) | OPC_CP2, 1005 OPC_PADDH = (26 << 21) | (0x00) | OPC_CP2, 1006 OPC_PADDW = (27 << 21) | (0x00) | OPC_CP2, 1007 OPC_PADDSB = (28 << 21) | (0x00) | OPC_CP2, 1008 OPC_PADDUSB = (29 << 21) | (0x00) | OPC_CP2, 1009 OPC_PADDB = (30 << 21) | (0x00) | OPC_CP2, 1010 OPC_PADDD = (31 << 21) | (0x00) | OPC_CP2, 1011 1012 OPC_PSUBSH = (24 << 21) | (0x01) | OPC_CP2, 1013 OPC_PSUBUSH = (25 << 21) | (0x01) | OPC_CP2, 1014 OPC_PSUBH = (26 << 21) | (0x01) | OPC_CP2, 1015 OPC_PSUBW = (27 << 21) | (0x01) | OPC_CP2, 1016 OPC_PSUBSB = (28 << 21) | (0x01) | OPC_CP2, 1017 OPC_PSUBUSB = (29 << 21) | (0x01) | OPC_CP2, 1018 OPC_PSUBB = (30 << 21) | (0x01) | OPC_CP2, 1019 OPC_PSUBD = (31 << 21) | (0x01) | OPC_CP2, 1020 1021 OPC_PSHUFH = (24 << 21) | (0x02) | OPC_CP2, 1022 OPC_PACKSSWH = (25 << 21) | (0x02) | OPC_CP2, 1023 OPC_PACKSSHB = (26 << 21) | (0x02) | OPC_CP2, 1024 OPC_PACKUSHB = (27 << 21) | (0x02) | OPC_CP2, 1025 OPC_XOR_CP2 = (28 << 21) | (0x02) | OPC_CP2, 1026 OPC_NOR_CP2 = (29 << 21) | (0x02) | OPC_CP2, 1027 OPC_AND_CP2 = (30 << 21) | (0x02) | OPC_CP2, 1028 OPC_PANDN = (31 << 21) | (0x02) | OPC_CP2, 1029 1030 OPC_PUNPCKLHW = (24 << 21) | (0x03) | OPC_CP2, 1031 OPC_PUNPCKHHW = (25 << 21) | (0x03) | OPC_CP2, 1032 OPC_PUNPCKLBH = (26 << 21) | (0x03) | OPC_CP2, 1033 OPC_PUNPCKHBH = (27 << 21) | (0x03) | OPC_CP2, 1034 OPC_PINSRH_0 = (28 << 21) | (0x03) | OPC_CP2, 1035 OPC_PINSRH_1 = (29 << 21) | (0x03) | OPC_CP2, 1036 OPC_PINSRH_2 = (30 << 21) | (0x03) | OPC_CP2, 1037 OPC_PINSRH_3 = (31 << 21) | (0x03) | OPC_CP2, 1038 1039 OPC_PAVGH = (24 << 21) | (0x08) | OPC_CP2, 1040 OPC_PAVGB = (25 << 21) | (0x08) | OPC_CP2, 1041 OPC_PMAXSH = (26 << 21) | (0x08) | OPC_CP2, 1042 OPC_PMINSH = (27 << 21) | (0x08) | OPC_CP2, 1043 OPC_PMAXUB = (28 << 21) | (0x08) | OPC_CP2, 1044 OPC_PMINUB = (29 << 21) | (0x08) | OPC_CP2, 1045 1046 OPC_PCMPEQW = (24 << 21) | (0x09) | OPC_CP2, 1047 OPC_PCMPGTW = (25 << 21) | (0x09) | OPC_CP2, 1048 OPC_PCMPEQH = (26 << 21) | (0x09) | OPC_CP2, 1049 OPC_PCMPGTH = (27 << 21) | (0x09) | OPC_CP2, 1050 OPC_PCMPEQB = (28 << 21) | (0x09) | OPC_CP2, 1051 OPC_PCMPGTB = (29 << 21) | (0x09) | OPC_CP2, 1052 1053 OPC_PSLLW = (24 << 21) | (0x0A) | OPC_CP2, 1054 OPC_PSLLH = (25 << 21) | (0x0A) | OPC_CP2, 1055 OPC_PMULLH = (26 << 21) | (0x0A) | OPC_CP2, 1056 OPC_PMULHH = (27 << 21) | (0x0A) | OPC_CP2, 1057 OPC_PMULUW = (28 << 21) | (0x0A) | OPC_CP2, 1058 OPC_PMULHUH = (29 << 21) | (0x0A) | OPC_CP2, 1059 1060 OPC_PSRLW = (24 << 21) | (0x0B) | OPC_CP2, 1061 OPC_PSRLH = (25 << 21) | (0x0B) | OPC_CP2, 1062 OPC_PSRAW = (26 << 21) | (0x0B) | OPC_CP2, 1063 OPC_PSRAH = (27 << 21) | (0x0B) | OPC_CP2, 1064 OPC_PUNPCKLWD = (28 << 21) | (0x0B) | OPC_CP2, 1065 OPC_PUNPCKHWD = (29 << 21) | (0x0B) | OPC_CP2, 1066 1067 OPC_ADDU_CP2 = (24 << 21) | (0x0C) | OPC_CP2, 1068 OPC_OR_CP2 = (25 << 21) | (0x0C) | OPC_CP2, 1069 OPC_ADD_CP2 = (26 << 21) | (0x0C) | OPC_CP2, 1070 OPC_DADD_CP2 = (27 << 21) | (0x0C) | OPC_CP2, 1071 OPC_SEQU_CP2 = (28 << 21) | (0x0C) | OPC_CP2, 1072 OPC_SEQ_CP2 = (29 << 21) | (0x0C) | OPC_CP2, 1073 1074 OPC_SUBU_CP2 = (24 << 21) | (0x0D) | OPC_CP2, 1075 OPC_PASUBUB = (25 << 21) | (0x0D) | OPC_CP2, 1076 OPC_SUB_CP2 = (26 << 21) | (0x0D) | OPC_CP2, 1077 OPC_DSUB_CP2 = (27 << 21) | (0x0D) | OPC_CP2, 1078 OPC_SLTU_CP2 = (28 << 21) | (0x0D) | OPC_CP2, 1079 OPC_SLT_CP2 = (29 << 21) | (0x0D) | OPC_CP2, 1080 1081 OPC_SLL_CP2 = (24 << 21) | (0x0E) | OPC_CP2, 1082 OPC_DSLL_CP2 = (25 << 21) | (0x0E) | OPC_CP2, 1083 OPC_PEXTRH = (26 << 21) | (0x0E) | OPC_CP2, 1084 OPC_PMADDHW = (27 << 21) | (0x0E) | OPC_CP2, 1085 OPC_SLEU_CP2 = (28 << 21) | (0x0E) | OPC_CP2, 1086 OPC_SLE_CP2 = (29 << 21) | (0x0E) | OPC_CP2, 1087 1088 OPC_SRL_CP2 = (24 << 21) | (0x0F) | OPC_CP2, 1089 OPC_DSRL_CP2 = (25 << 21) | (0x0F) | OPC_CP2, 1090 OPC_SRA_CP2 = (26 << 21) | (0x0F) | OPC_CP2, 1091 OPC_DSRA_CP2 = (27 << 21) | (0x0F) | OPC_CP2, 1092 OPC_BIADD = (28 << 21) | (0x0F) | OPC_CP2, 1093 OPC_PMOVMSKB = (29 << 21) | (0x0F) | OPC_CP2, 1094 }; 1095 1096 1097 #define MASK_CP3(op) (MASK_OP_MAJOR(op) | (op & 0x3F)) 1098 1099 enum { 1100 OPC_LWXC1 = 0x00 | OPC_CP3, 1101 OPC_LDXC1 = 0x01 | OPC_CP3, 1102 OPC_LUXC1 = 0x05 | OPC_CP3, 1103 OPC_SWXC1 = 0x08 | OPC_CP3, 1104 OPC_SDXC1 = 0x09 | OPC_CP3, 1105 OPC_SUXC1 = 0x0D | OPC_CP3, 1106 OPC_PREFX = 0x0F | OPC_CP3, 1107 OPC_ALNV_PS = 0x1E | OPC_CP3, 1108 OPC_MADD_S = 0x20 | OPC_CP3, 1109 OPC_MADD_D = 0x21 | OPC_CP3, 1110 OPC_MADD_PS = 0x26 | OPC_CP3, 1111 OPC_MSUB_S = 0x28 | OPC_CP3, 1112 OPC_MSUB_D = 0x29 | OPC_CP3, 1113 OPC_MSUB_PS = 0x2E | OPC_CP3, 1114 OPC_NMADD_S = 0x30 | OPC_CP3, 1115 OPC_NMADD_D = 0x31 | OPC_CP3, 1116 OPC_NMADD_PS = 0x36 | OPC_CP3, 1117 OPC_NMSUB_S = 0x38 | OPC_CP3, 1118 OPC_NMSUB_D = 0x39 | OPC_CP3, 1119 OPC_NMSUB_PS = 0x3E | OPC_CP3, 1120 }; 1121 1122 /* 1123 * MMI (MultiMedia Instruction) encodings 1124 * ====================================== 1125 * 1126 * MMI instructions encoding table keys: 1127 * 1128 * * This code is reserved for future use. An attempt to execute it 1129 * causes a Reserved Instruction exception. 1130 * % This code indicates an instruction class. The instruction word 1131 * must be further decoded by examining additional tables that show 1132 * the values for other instruction fields. 1133 * # This code is reserved for the unsupported instructions DMULT, 1134 * DMULTU, DDIV, DDIVU, LL, LLD, SC, SCD, LWC2 and SWC2. An attempt 1135 * to execute it causes a Reserved Instruction exception. 1136 * 1137 * MMI instructions encoded by opcode field (MMI, LQ, SQ): 1138 * 1139 * 31 26 0 1140 * +--------+----------------------------------------+ 1141 * | opcode | | 1142 * +--------+----------------------------------------+ 1143 * 1144 * opcode bits 28..26 1145 * bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 1146 * 31..29 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 1147 * -------+-------+-------+-------+-------+-------+-------+-------+------- 1148 * 0 000 |SPECIAL| REGIMM| J | JAL | BEQ | BNE | BLEZ | BGTZ 1149 * 1 001 | ADDI | ADDIU | SLTI | SLTIU | ANDI | ORI | XORI | LUI 1150 * 2 010 | COP0 | COP1 | * | * | BEQL | BNEL | BLEZL | BGTZL 1151 * 3 011 | DADDI | DADDIU| LDL | LDR | MMI% | * | LQ | SQ 1152 * 4 100 | LB | LH | LWL | LW | LBU | LHU | LWR | LWU 1153 * 5 101 | SB | SH | SWL | SW | SDL | SDR | SWR | CACHE 1154 * 6 110 | # | LWC1 | # | PREF | # | LDC1 | # | LD 1155 * 7 111 | # | SWC1 | # | * | # | SDC1 | # | SD 1156 */ 1157 1158 enum { 1159 MMI_OPC_CLASS_MMI = 0x1C << 26, /* Same as OPC_SPECIAL2 */ 1160 MMI_OPC_SQ = 0x1F << 26, /* Same as OPC_SPECIAL3 */ 1161 }; 1162 1163 /* 1164 * MMI instructions with opcode field = MMI: 1165 * 1166 * 31 26 5 0 1167 * +--------+-------------------------------+--------+ 1168 * | MMI | |function| 1169 * +--------+-------------------------------+--------+ 1170 * 1171 * function bits 2..0 1172 * bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 1173 * 5..3 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 1174 * -------+-------+-------+-------+-------+-------+-------+-------+------- 1175 * 0 000 | MADD | MADDU | * | * | PLZCW | * | * | * 1176 * 1 001 | MMI0% | MMI2% | * | * | * | * | * | * 1177 * 2 010 | MFHI1 | MTHI1 | MFLO1 | MTLO1 | * | * | * | * 1178 * 3 011 | MULT1 | MULTU1| DIV1 | DIVU1 | * | * | * | * 1179 * 4 100 | MADD1 | MADDU1| * | * | * | * | * | * 1180 * 5 101 | MMI1% | MMI3% | * | * | * | * | * | * 1181 * 6 110 | PMFHL | PMTHL | * | * | PSLLH | * | PSRLH | PSRAH 1182 * 7 111 | * | * | * | * | PSLLW | * | PSRLW | PSRAW 1183 */ 1184 1185 #define MASK_MMI(op) (MASK_OP_MAJOR(op) | ((op) & 0x3F)) 1186 enum { 1187 MMI_OPC_MADD = 0x00 | MMI_OPC_CLASS_MMI, /* Same as OPC_MADD */ 1188 MMI_OPC_MADDU = 0x01 | MMI_OPC_CLASS_MMI, /* Same as OPC_MADDU */ 1189 MMI_OPC_MULT1 = 0x18 | MMI_OPC_CLASS_MMI, /* Same minor as OPC_MULT */ 1190 MMI_OPC_MULTU1 = 0x19 | MMI_OPC_CLASS_MMI, /* Same min. as OPC_MULTU */ 1191 MMI_OPC_DIV1 = 0x1A | MMI_OPC_CLASS_MMI, /* Same minor as OPC_DIV */ 1192 MMI_OPC_DIVU1 = 0x1B | MMI_OPC_CLASS_MMI, /* Same minor as OPC_DIVU */ 1193 MMI_OPC_MADD1 = 0x20 | MMI_OPC_CLASS_MMI, 1194 MMI_OPC_MADDU1 = 0x21 | MMI_OPC_CLASS_MMI, 1195 }; 1196 1197 /* global register indices */ 1198 TCGv cpu_gpr[32], cpu_PC; 1199 /* 1200 * For CPUs using 128-bit GPR registers, we put the lower halves in cpu_gpr[]) 1201 * and the upper halves in cpu_gpr_hi[]. 1202 */ 1203 TCGv_i64 cpu_gpr_hi[32]; 1204 TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC]; 1205 static TCGv cpu_dspctrl, btarget; 1206 TCGv bcond; 1207 static TCGv cpu_lladdr, cpu_llval; 1208 static TCGv_i32 hflags; 1209 TCGv_i32 fpu_fcr0, fpu_fcr31; 1210 TCGv_i64 fpu_f64[32]; 1211 1212 static const char regnames_HI[][4] = { 1213 "HI0", "HI1", "HI2", "HI3", 1214 }; 1215 1216 static const char regnames_LO[][4] = { 1217 "LO0", "LO1", "LO2", "LO3", 1218 }; 1219 1220 /* General purpose registers moves. */ 1221 void gen_load_gpr(TCGv t, int reg) 1222 { 1223 assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr)); 1224 if (reg == 0) { 1225 tcg_gen_movi_tl(t, 0); 1226 } else { 1227 tcg_gen_mov_tl(t, cpu_gpr[reg]); 1228 } 1229 } 1230 1231 void gen_store_gpr(TCGv t, int reg) 1232 { 1233 assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr)); 1234 if (reg != 0) { 1235 tcg_gen_mov_tl(cpu_gpr[reg], t); 1236 } 1237 } 1238 1239 #if defined(TARGET_MIPS64) 1240 void gen_load_gpr_hi(TCGv_i64 t, int reg) 1241 { 1242 assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr_hi)); 1243 if (reg == 0) { 1244 tcg_gen_movi_i64(t, 0); 1245 } else { 1246 tcg_gen_mov_i64(t, cpu_gpr_hi[reg]); 1247 } 1248 } 1249 1250 void gen_store_gpr_hi(TCGv_i64 t, int reg) 1251 { 1252 assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr_hi)); 1253 if (reg != 0) { 1254 tcg_gen_mov_i64(cpu_gpr_hi[reg], t); 1255 } 1256 } 1257 #endif /* TARGET_MIPS64 */ 1258 1259 /* Moves to/from shadow registers. */ 1260 static inline void gen_load_srsgpr(int from, int to) 1261 { 1262 TCGv t0 = tcg_temp_new(); 1263 1264 if (from == 0) { 1265 tcg_gen_movi_tl(t0, 0); 1266 } else { 1267 TCGv_i32 t2 = tcg_temp_new_i32(); 1268 TCGv_ptr addr = tcg_temp_new_ptr(); 1269 1270 tcg_gen_ld_i32(t2, tcg_env, offsetof(CPUMIPSState, CP0_SRSCtl)); 1271 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); 1272 tcg_gen_andi_i32(t2, t2, 0xf); 1273 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); 1274 tcg_gen_ext_i32_ptr(addr, t2); 1275 tcg_gen_add_ptr(addr, tcg_env, addr); 1276 1277 tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from); 1278 } 1279 gen_store_gpr(t0, to); 1280 } 1281 1282 static inline void gen_store_srsgpr(int from, int to) 1283 { 1284 if (to != 0) { 1285 TCGv t0 = tcg_temp_new(); 1286 TCGv_i32 t2 = tcg_temp_new_i32(); 1287 TCGv_ptr addr = tcg_temp_new_ptr(); 1288 1289 gen_load_gpr(t0, from); 1290 tcg_gen_ld_i32(t2, tcg_env, offsetof(CPUMIPSState, CP0_SRSCtl)); 1291 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); 1292 tcg_gen_andi_i32(t2, t2, 0xf); 1293 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); 1294 tcg_gen_ext_i32_ptr(addr, t2); 1295 tcg_gen_add_ptr(addr, tcg_env, addr); 1296 1297 tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to); 1298 } 1299 } 1300 1301 /* Tests */ 1302 static inline void gen_save_pc(target_ulong pc) 1303 { 1304 tcg_gen_movi_tl(cpu_PC, pc); 1305 } 1306 1307 static inline void save_cpu_state(DisasContext *ctx, int do_save_pc) 1308 { 1309 LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags); 1310 if (do_save_pc && ctx->base.pc_next != ctx->saved_pc) { 1311 gen_save_pc(ctx->base.pc_next); 1312 ctx->saved_pc = ctx->base.pc_next; 1313 } 1314 if (ctx->hflags != ctx->saved_hflags) { 1315 tcg_gen_movi_i32(hflags, ctx->hflags); 1316 ctx->saved_hflags = ctx->hflags; 1317 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) { 1318 case MIPS_HFLAG_BR: 1319 break; 1320 case MIPS_HFLAG_BC: 1321 case MIPS_HFLAG_BL: 1322 case MIPS_HFLAG_B: 1323 tcg_gen_movi_tl(btarget, ctx->btarget); 1324 break; 1325 } 1326 } 1327 } 1328 1329 static inline void restore_cpu_state(CPUMIPSState *env, DisasContext *ctx) 1330 { 1331 ctx->saved_hflags = ctx->hflags; 1332 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) { 1333 case MIPS_HFLAG_BR: 1334 break; 1335 case MIPS_HFLAG_BC: 1336 case MIPS_HFLAG_BL: 1337 case MIPS_HFLAG_B: 1338 ctx->btarget = env->btarget; 1339 break; 1340 } 1341 } 1342 1343 void generate_exception_err(DisasContext *ctx, int excp, int err) 1344 { 1345 save_cpu_state(ctx, 1); 1346 gen_helper_raise_exception_err(tcg_env, tcg_constant_i32(excp), 1347 tcg_constant_i32(err)); 1348 ctx->base.is_jmp = DISAS_NORETURN; 1349 } 1350 1351 void generate_exception(DisasContext *ctx, int excp) 1352 { 1353 gen_helper_raise_exception(tcg_env, tcg_constant_i32(excp)); 1354 } 1355 1356 void generate_exception_end(DisasContext *ctx, int excp) 1357 { 1358 generate_exception_err(ctx, excp, 0); 1359 } 1360 1361 void generate_exception_break(DisasContext *ctx, int code) 1362 { 1363 #ifdef CONFIG_USER_ONLY 1364 /* Pass the break code along to cpu_loop. */ 1365 tcg_gen_st_i32(tcg_constant_i32(code), tcg_env, 1366 offsetof(CPUMIPSState, error_code)); 1367 #endif 1368 generate_exception_end(ctx, EXCP_BREAK); 1369 } 1370 1371 void gen_reserved_instruction(DisasContext *ctx) 1372 { 1373 generate_exception_end(ctx, EXCP_RI); 1374 } 1375 1376 /* Floating point register moves. */ 1377 void gen_load_fpr32(DisasContext *ctx, TCGv_i32 t, int reg) 1378 { 1379 if (ctx->hflags & MIPS_HFLAG_FRE) { 1380 generate_exception(ctx, EXCP_RI); 1381 } 1382 tcg_gen_extrl_i64_i32(t, fpu_f64[reg]); 1383 } 1384 1385 void gen_store_fpr32(DisasContext *ctx, TCGv_i32 t, int reg) 1386 { 1387 TCGv_i64 t64; 1388 if (ctx->hflags & MIPS_HFLAG_FRE) { 1389 generate_exception(ctx, EXCP_RI); 1390 } 1391 t64 = tcg_temp_new_i64(); 1392 tcg_gen_extu_i32_i64(t64, t); 1393 tcg_gen_deposit_i64(fpu_f64[reg], fpu_f64[reg], t64, 0, 32); 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 } else { 1412 gen_store_fpr32(ctx, t, reg | 1); 1413 } 1414 } 1415 1416 void gen_load_fpr64(DisasContext *ctx, TCGv_i64 t, int reg) 1417 { 1418 if (ctx->hflags & MIPS_HFLAG_F64) { 1419 tcg_gen_mov_i64(t, fpu_f64[reg]); 1420 } else { 1421 tcg_gen_concat32_i64(t, fpu_f64[reg & ~1], fpu_f64[reg | 1]); 1422 } 1423 } 1424 1425 void gen_store_fpr64(DisasContext *ctx, TCGv_i64 t, int reg) 1426 { 1427 if (ctx->hflags & MIPS_HFLAG_F64) { 1428 tcg_gen_mov_i64(fpu_f64[reg], t); 1429 } else { 1430 TCGv_i64 t0; 1431 tcg_gen_deposit_i64(fpu_f64[reg & ~1], fpu_f64[reg & ~1], t, 0, 32); 1432 t0 = tcg_temp_new_i64(); 1433 tcg_gen_shri_i64(t0, t, 32); 1434 tcg_gen_deposit_i64(fpu_f64[reg | 1], fpu_f64[reg | 1], t0, 0, 32); 1435 } 1436 } 1437 1438 int get_fp_bit(int cc) 1439 { 1440 if (cc) { 1441 return 24 + cc; 1442 } else { 1443 return 23; 1444 } 1445 } 1446 1447 /* Addresses computation */ 1448 void gen_op_addr_add(DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1) 1449 { 1450 tcg_gen_add_tl(ret, arg0, arg1); 1451 1452 #if defined(TARGET_MIPS64) 1453 if (ctx->hflags & MIPS_HFLAG_AWRAP) { 1454 tcg_gen_ext32s_i64(ret, ret); 1455 } 1456 #endif 1457 } 1458 1459 static inline void gen_op_addr_addi(DisasContext *ctx, TCGv ret, TCGv base, 1460 target_long ofs) 1461 { 1462 tcg_gen_addi_tl(ret, base, ofs); 1463 1464 #if defined(TARGET_MIPS64) 1465 if (ctx->hflags & MIPS_HFLAG_AWRAP) { 1466 tcg_gen_ext32s_i64(ret, ret); 1467 } 1468 #endif 1469 } 1470 1471 /* Addresses computation (translation time) */ 1472 static target_long addr_add(DisasContext *ctx, target_long base, 1473 target_long offset) 1474 { 1475 target_long sum = base + offset; 1476 1477 #if defined(TARGET_MIPS64) 1478 if (ctx->hflags & MIPS_HFLAG_AWRAP) { 1479 sum = (int32_t)sum; 1480 } 1481 #endif 1482 return sum; 1483 } 1484 1485 /* Sign-extract the low 32-bits to a target_long. */ 1486 void gen_move_low32(TCGv ret, TCGv_i64 arg) 1487 { 1488 #if defined(TARGET_MIPS64) 1489 tcg_gen_ext32s_i64(ret, arg); 1490 #else 1491 tcg_gen_extrl_i64_i32(ret, arg); 1492 #endif 1493 } 1494 1495 /* Sign-extract the high 32-bits to a target_long. */ 1496 void gen_move_high32(TCGv ret, TCGv_i64 arg) 1497 { 1498 #if defined(TARGET_MIPS64) 1499 tcg_gen_sari_i64(ret, arg, 32); 1500 #else 1501 tcg_gen_extrh_i64_i32(ret, arg); 1502 #endif 1503 } 1504 1505 bool check_cp0_enabled(DisasContext *ctx) 1506 { 1507 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) { 1508 generate_exception_end(ctx, EXCP_CpU); 1509 return false; 1510 } 1511 return true; 1512 } 1513 1514 void check_cp1_enabled(DisasContext *ctx) 1515 { 1516 if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU))) { 1517 generate_exception_err(ctx, EXCP_CpU, 1); 1518 } 1519 } 1520 1521 /* 1522 * Verify that the processor is running with COP1X instructions enabled. 1523 * This is associated with the nabla symbol in the MIPS32 and MIPS64 1524 * opcode tables. 1525 */ 1526 void check_cop1x(DisasContext *ctx) 1527 { 1528 if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X))) { 1529 gen_reserved_instruction(ctx); 1530 } 1531 } 1532 1533 /* 1534 * Verify that the processor is running with 64-bit floating-point 1535 * operations enabled. 1536 */ 1537 void check_cp1_64bitmode(DisasContext *ctx) 1538 { 1539 if (unlikely(~ctx->hflags & MIPS_HFLAG_F64)) { 1540 gen_reserved_instruction(ctx); 1541 } 1542 } 1543 1544 /* 1545 * Verify if floating point register is valid; an operation is not defined 1546 * if bit 0 of any register specification is set and the FR bit in the 1547 * Status register equals zero, since the register numbers specify an 1548 * even-odd pair of adjacent coprocessor general registers. When the FR bit 1549 * in the Status register equals one, both even and odd register numbers 1550 * are valid. This limitation exists only for 64 bit wide (d,l,ps) registers. 1551 * 1552 * Multiple 64 bit wide registers can be checked by calling 1553 * gen_op_cp1_registers(freg1 | freg2 | ... | fregN); 1554 */ 1555 void check_cp1_registers(DisasContext *ctx, int regs) 1556 { 1557 if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) { 1558 gen_reserved_instruction(ctx); 1559 } 1560 } 1561 1562 /* 1563 * Verify that the processor is running with DSP instructions enabled. 1564 * This is enabled by CP0 Status register MX(24) bit. 1565 */ 1566 static inline void check_dsp(DisasContext *ctx) 1567 { 1568 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP))) { 1569 if (ctx->insn_flags & ASE_DSP) { 1570 generate_exception_end(ctx, EXCP_DSPDIS); 1571 } else { 1572 gen_reserved_instruction(ctx); 1573 } 1574 } 1575 } 1576 1577 static inline void check_dsp_r2(DisasContext *ctx) 1578 { 1579 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP_R2))) { 1580 if (ctx->insn_flags & ASE_DSP) { 1581 generate_exception_end(ctx, EXCP_DSPDIS); 1582 } else { 1583 gen_reserved_instruction(ctx); 1584 } 1585 } 1586 } 1587 1588 static inline void check_dsp_r3(DisasContext *ctx) 1589 { 1590 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP_R3))) { 1591 if (ctx->insn_flags & ASE_DSP) { 1592 generate_exception_end(ctx, EXCP_DSPDIS); 1593 } else { 1594 gen_reserved_instruction(ctx); 1595 } 1596 } 1597 } 1598 1599 /* 1600 * This code generates a "reserved instruction" exception if the 1601 * CPU does not support the instruction set corresponding to flags. 1602 */ 1603 void check_insn(DisasContext *ctx, uint64_t flags) 1604 { 1605 if (unlikely(!(ctx->insn_flags & flags))) { 1606 gen_reserved_instruction(ctx); 1607 } 1608 } 1609 1610 /* 1611 * This code generates a "reserved instruction" exception if the 1612 * CPU has corresponding flag set which indicates that the instruction 1613 * has been removed. 1614 */ 1615 static inline void check_insn_opc_removed(DisasContext *ctx, uint64_t flags) 1616 { 1617 if (unlikely(ctx->insn_flags & flags)) { 1618 gen_reserved_instruction(ctx); 1619 } 1620 } 1621 1622 /* 1623 * The Linux kernel traps certain reserved instruction exceptions to 1624 * emulate the corresponding instructions. QEMU is the kernel in user 1625 * mode, so those traps are emulated by accepting the instructions. 1626 * 1627 * A reserved instruction exception is generated for flagged CPUs if 1628 * QEMU runs in system mode. 1629 */ 1630 static inline void check_insn_opc_user_only(DisasContext *ctx, uint64_t flags) 1631 { 1632 #ifndef CONFIG_USER_ONLY 1633 check_insn_opc_removed(ctx, flags); 1634 #endif 1635 } 1636 1637 /* 1638 * This code generates a "reserved instruction" exception if the 1639 * CPU does not support 64-bit paired-single (PS) floating point data type. 1640 */ 1641 static inline void check_ps(DisasContext *ctx) 1642 { 1643 if (unlikely(!ctx->ps)) { 1644 generate_exception(ctx, EXCP_RI); 1645 } 1646 check_cp1_64bitmode(ctx); 1647 } 1648 1649 /* 1650 * This code generates a "reserved instruction" exception if cpu is not 1651 * 64-bit or 64-bit instructions are not enabled. 1652 */ 1653 void check_mips_64(DisasContext *ctx) 1654 { 1655 if (unlikely((TARGET_LONG_BITS != 64) || !(ctx->hflags & MIPS_HFLAG_64))) { 1656 gen_reserved_instruction(ctx); 1657 } 1658 } 1659 1660 #ifndef CONFIG_USER_ONLY 1661 static inline void check_mvh(DisasContext *ctx) 1662 { 1663 if (unlikely(!ctx->mvh)) { 1664 generate_exception(ctx, EXCP_RI); 1665 } 1666 } 1667 #endif 1668 1669 /* 1670 * This code generates a "reserved instruction" exception if the 1671 * Config5 XNP bit is set. 1672 */ 1673 static inline void check_xnp(DisasContext *ctx) 1674 { 1675 if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_XNP))) { 1676 gen_reserved_instruction(ctx); 1677 } 1678 } 1679 1680 #ifndef CONFIG_USER_ONLY 1681 /* 1682 * This code generates a "reserved instruction" exception if the 1683 * Config3 PW bit is NOT set. 1684 */ 1685 static inline void check_pw(DisasContext *ctx) 1686 { 1687 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_PW)))) { 1688 gen_reserved_instruction(ctx); 1689 } 1690 } 1691 #endif 1692 1693 /* 1694 * This code generates a "reserved instruction" exception if the 1695 * Config3 MT bit is NOT set. 1696 */ 1697 static inline void check_mt(DisasContext *ctx) 1698 { 1699 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_MT)))) { 1700 gen_reserved_instruction(ctx); 1701 } 1702 } 1703 1704 #ifndef CONFIG_USER_ONLY 1705 /* 1706 * This code generates a "coprocessor unusable" exception if CP0 is not 1707 * available, and, if that is not the case, generates a "reserved instruction" 1708 * exception if the Config5 MT bit is NOT set. This is needed for availability 1709 * control of some of MT ASE instructions. 1710 */ 1711 static inline void check_cp0_mt(DisasContext *ctx) 1712 { 1713 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) { 1714 generate_exception_end(ctx, EXCP_CpU); 1715 } else { 1716 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_MT)))) { 1717 gen_reserved_instruction(ctx); 1718 } 1719 } 1720 } 1721 #endif 1722 1723 /* 1724 * This code generates a "reserved instruction" exception if the 1725 * Config5 NMS bit is set. 1726 */ 1727 static inline void check_nms(DisasContext *ctx) 1728 { 1729 if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_NMS))) { 1730 gen_reserved_instruction(ctx); 1731 } 1732 } 1733 1734 /* 1735 * This code generates a "reserved instruction" exception if the 1736 * Config5 NMS bit is set, and Config1 DL, Config1 IL, Config2 SL, 1737 * Config2 TL, and Config5 L2C are unset. 1738 */ 1739 static inline void check_nms_dl_il_sl_tl_l2c(DisasContext *ctx) 1740 { 1741 if (unlikely((ctx->CP0_Config5 & (1 << CP0C5_NMS)) && 1742 !(ctx->CP0_Config1 & (1 << CP0C1_DL)) && 1743 !(ctx->CP0_Config1 & (1 << CP0C1_IL)) && 1744 !(ctx->CP0_Config2 & (1 << CP0C2_SL)) && 1745 !(ctx->CP0_Config2 & (1 << CP0C2_TL)) && 1746 !(ctx->CP0_Config5 & (1 << CP0C5_L2C)))) { 1747 gen_reserved_instruction(ctx); 1748 } 1749 } 1750 1751 /* 1752 * This code generates a "reserved instruction" exception if the 1753 * Config5 EVA bit is NOT set. 1754 */ 1755 static inline void check_eva(DisasContext *ctx) 1756 { 1757 if (unlikely(!(ctx->CP0_Config5 & (1 << CP0C5_EVA)))) { 1758 gen_reserved_instruction(ctx); 1759 } 1760 } 1761 1762 1763 /* 1764 * Define small wrappers for gen_load_fpr* so that we have a uniform 1765 * calling interface for 32 and 64-bit FPRs. No sense in changing 1766 * all callers for gen_load_fpr32 when we need the CTX parameter for 1767 * this one use. 1768 */ 1769 #define gen_ldcmp_fpr32(ctx, x, y) gen_load_fpr32(ctx, x, y) 1770 #define gen_ldcmp_fpr64(ctx, x, y) gen_load_fpr64(ctx, x, y) 1771 #define FOP_CONDS(type, abs, fmt, ifmt, bits) \ 1772 static inline void gen_cmp ## type ## _ ## fmt(DisasContext *ctx, int n, \ 1773 int ft, int fs, int cc) \ 1774 { \ 1775 TCGv_i##bits fp0 = tcg_temp_new_i##bits(); \ 1776 TCGv_i##bits fp1 = tcg_temp_new_i##bits(); \ 1777 switch (ifmt) { \ 1778 case FMT_PS: \ 1779 check_ps(ctx); \ 1780 break; \ 1781 case FMT_D: \ 1782 if (abs) { \ 1783 check_cop1x(ctx); \ 1784 } \ 1785 check_cp1_registers(ctx, fs | ft); \ 1786 break; \ 1787 case FMT_S: \ 1788 if (abs) { \ 1789 check_cop1x(ctx); \ 1790 } \ 1791 break; \ 1792 } \ 1793 gen_ldcmp_fpr##bits(ctx, fp0, fs); \ 1794 gen_ldcmp_fpr##bits(ctx, fp1, ft); \ 1795 switch (n) { \ 1796 case 0: \ 1797 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); \ 1798 break; \ 1799 case 1: \ 1800 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); \ 1801 break; \ 1802 case 2: \ 1803 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); \ 1804 break; \ 1805 case 3: \ 1806 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); \ 1807 break; \ 1808 case 4: \ 1809 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); \ 1810 break; \ 1811 case 5: \ 1812 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); \ 1813 break; \ 1814 case 6: \ 1815 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); \ 1816 break; \ 1817 case 7: \ 1818 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); \ 1819 break; \ 1820 case 8: \ 1821 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); \ 1822 break; \ 1823 case 9: \ 1824 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); \ 1825 break; \ 1826 case 10: \ 1827 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); \ 1828 break; \ 1829 case 11: \ 1830 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); \ 1831 break; \ 1832 case 12: \ 1833 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); \ 1834 break; \ 1835 case 13: \ 1836 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); \ 1837 break; \ 1838 case 14: \ 1839 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); \ 1840 break; \ 1841 case 15: \ 1842 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); \ 1843 break; \ 1844 default: \ 1845 abort(); \ 1846 } \ 1847 } 1848 1849 FOP_CONDS(, 0, d, FMT_D, 64) 1850 FOP_CONDS(abs, 1, d, FMT_D, 64) 1851 FOP_CONDS(, 0, s, FMT_S, 32) 1852 FOP_CONDS(abs, 1, s, FMT_S, 32) 1853 FOP_CONDS(, 0, ps, FMT_PS, 64) 1854 FOP_CONDS(abs, 1, ps, FMT_PS, 64) 1855 #undef FOP_CONDS 1856 1857 #define FOP_CONDNS(fmt, ifmt, bits, STORE) \ 1858 static inline void gen_r6_cmp_ ## fmt(DisasContext *ctx, int n, \ 1859 int ft, int fs, int fd) \ 1860 { \ 1861 TCGv_i ## bits fp0 = tcg_temp_new_i ## bits(); \ 1862 TCGv_i ## bits fp1 = tcg_temp_new_i ## bits(); \ 1863 if (ifmt == FMT_D) { \ 1864 check_cp1_registers(ctx, fs | ft | fd); \ 1865 } \ 1866 gen_ldcmp_fpr ## bits(ctx, fp0, fs); \ 1867 gen_ldcmp_fpr ## bits(ctx, fp1, ft); \ 1868 switch (n) { \ 1869 case 0: \ 1870 gen_helper_r6_cmp_ ## fmt ## _af(fp0, tcg_env, fp0, fp1); \ 1871 break; \ 1872 case 1: \ 1873 gen_helper_r6_cmp_ ## fmt ## _un(fp0, tcg_env, fp0, fp1); \ 1874 break; \ 1875 case 2: \ 1876 gen_helper_r6_cmp_ ## fmt ## _eq(fp0, tcg_env, fp0, fp1); \ 1877 break; \ 1878 case 3: \ 1879 gen_helper_r6_cmp_ ## fmt ## _ueq(fp0, tcg_env, fp0, fp1); \ 1880 break; \ 1881 case 4: \ 1882 gen_helper_r6_cmp_ ## fmt ## _lt(fp0, tcg_env, fp0, fp1); \ 1883 break; \ 1884 case 5: \ 1885 gen_helper_r6_cmp_ ## fmt ## _ult(fp0, tcg_env, fp0, fp1); \ 1886 break; \ 1887 case 6: \ 1888 gen_helper_r6_cmp_ ## fmt ## _le(fp0, tcg_env, fp0, fp1); \ 1889 break; \ 1890 case 7: \ 1891 gen_helper_r6_cmp_ ## fmt ## _ule(fp0, tcg_env, fp0, fp1); \ 1892 break; \ 1893 case 8: \ 1894 gen_helper_r6_cmp_ ## fmt ## _saf(fp0, tcg_env, fp0, fp1); \ 1895 break; \ 1896 case 9: \ 1897 gen_helper_r6_cmp_ ## fmt ## _sun(fp0, tcg_env, fp0, fp1); \ 1898 break; \ 1899 case 10: \ 1900 gen_helper_r6_cmp_ ## fmt ## _seq(fp0, tcg_env, fp0, fp1); \ 1901 break; \ 1902 case 11: \ 1903 gen_helper_r6_cmp_ ## fmt ## _sueq(fp0, tcg_env, fp0, fp1); \ 1904 break; \ 1905 case 12: \ 1906 gen_helper_r6_cmp_ ## fmt ## _slt(fp0, tcg_env, fp0, fp1); \ 1907 break; \ 1908 case 13: \ 1909 gen_helper_r6_cmp_ ## fmt ## _sult(fp0, tcg_env, fp0, fp1); \ 1910 break; \ 1911 case 14: \ 1912 gen_helper_r6_cmp_ ## fmt ## _sle(fp0, tcg_env, fp0, fp1); \ 1913 break; \ 1914 case 15: \ 1915 gen_helper_r6_cmp_ ## fmt ## _sule(fp0, tcg_env, fp0, fp1); \ 1916 break; \ 1917 case 17: \ 1918 gen_helper_r6_cmp_ ## fmt ## _or(fp0, tcg_env, fp0, fp1); \ 1919 break; \ 1920 case 18: \ 1921 gen_helper_r6_cmp_ ## fmt ## _une(fp0, tcg_env, fp0, fp1); \ 1922 break; \ 1923 case 19: \ 1924 gen_helper_r6_cmp_ ## fmt ## _ne(fp0, tcg_env, fp0, fp1); \ 1925 break; \ 1926 case 25: \ 1927 gen_helper_r6_cmp_ ## fmt ## _sor(fp0, tcg_env, fp0, fp1); \ 1928 break; \ 1929 case 26: \ 1930 gen_helper_r6_cmp_ ## fmt ## _sune(fp0, tcg_env, fp0, fp1); \ 1931 break; \ 1932 case 27: \ 1933 gen_helper_r6_cmp_ ## fmt ## _sne(fp0, tcg_env, fp0, fp1); \ 1934 break; \ 1935 default: \ 1936 abort(); \ 1937 } \ 1938 STORE; \ 1939 } 1940 1941 FOP_CONDNS(d, FMT_D, 64, gen_store_fpr64(ctx, fp0, fd)) 1942 FOP_CONDNS(s, FMT_S, 32, gen_store_fpr32(ctx, fp0, fd)) 1943 #undef FOP_CONDNS 1944 #undef gen_ldcmp_fpr32 1945 #undef gen_ldcmp_fpr64 1946 1947 /* load/store instructions. */ 1948 #ifdef CONFIG_USER_ONLY 1949 #define OP_LD_ATOMIC(insn, memop) \ 1950 static inline void op_ld_##insn(TCGv ret, TCGv arg1, int mem_idx, \ 1951 DisasContext *ctx) \ 1952 { \ 1953 TCGv t0 = tcg_temp_new(); \ 1954 tcg_gen_mov_tl(t0, arg1); \ 1955 tcg_gen_qemu_ld_tl(ret, arg1, ctx->mem_idx, memop); \ 1956 tcg_gen_st_tl(t0, tcg_env, offsetof(CPUMIPSState, lladdr)); \ 1957 tcg_gen_st_tl(ret, tcg_env, offsetof(CPUMIPSState, llval)); \ 1958 } 1959 #else 1960 #define OP_LD_ATOMIC(insn, fname) \ 1961 static inline void op_ld_##insn(TCGv ret, TCGv arg1, int mem_idx, \ 1962 DisasContext *ctx) \ 1963 { \ 1964 gen_helper_##insn(ret, tcg_env, arg1, tcg_constant_i32(mem_idx)); \ 1965 } 1966 #endif 1967 OP_LD_ATOMIC(ll, MO_TESL); 1968 #if defined(TARGET_MIPS64) 1969 OP_LD_ATOMIC(lld, MO_TEUQ); 1970 #endif 1971 #undef OP_LD_ATOMIC 1972 1973 void gen_base_offset_addr(DisasContext *ctx, TCGv addr, int base, int offset) 1974 { 1975 if (base == 0) { 1976 tcg_gen_movi_tl(addr, offset); 1977 } else if (offset == 0) { 1978 gen_load_gpr(addr, base); 1979 } else { 1980 tcg_gen_movi_tl(addr, offset); 1981 gen_op_addr_add(ctx, addr, cpu_gpr[base], addr); 1982 } 1983 } 1984 1985 static target_ulong pc_relative_pc(DisasContext *ctx) 1986 { 1987 target_ulong pc = ctx->base.pc_next; 1988 1989 if (ctx->hflags & MIPS_HFLAG_BMASK) { 1990 int branch_bytes = ctx->hflags & MIPS_HFLAG_BDS16 ? 2 : 4; 1991 1992 pc -= branch_bytes; 1993 } 1994 1995 pc &= ~(target_ulong)3; 1996 return pc; 1997 } 1998 1999 /* LWL or LDL, depending on MemOp. */ 2000 static void gen_lxl(DisasContext *ctx, TCGv reg, TCGv addr, 2001 int mem_idx, MemOp mop) 2002 { 2003 int sizem1 = memop_size(mop) - 1; 2004 TCGv t0 = tcg_temp_new(); 2005 TCGv t1 = tcg_temp_new(); 2006 2007 /* 2008 * Do a byte access to possibly trigger a page 2009 * fault with the unaligned address. 2010 */ 2011 tcg_gen_qemu_ld_tl(t1, addr, mem_idx, MO_UB); 2012 tcg_gen_andi_tl(t1, addr, sizem1); 2013 if (!cpu_is_bigendian(ctx)) { 2014 tcg_gen_xori_tl(t1, t1, sizem1); 2015 } 2016 tcg_gen_shli_tl(t1, t1, 3); 2017 tcg_gen_andi_tl(t0, addr, ~sizem1); 2018 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, mop); 2019 tcg_gen_shl_tl(t0, t0, t1); 2020 tcg_gen_shl_tl(t1, tcg_constant_tl(-1), t1); 2021 tcg_gen_andc_tl(t1, reg, t1); 2022 tcg_gen_or_tl(reg, t0, t1); 2023 } 2024 2025 /* LWR or LDR, depending on MemOp. */ 2026 static void gen_lxr(DisasContext *ctx, TCGv reg, TCGv addr, 2027 int mem_idx, MemOp mop) 2028 { 2029 int size = memop_size(mop); 2030 int sizem1 = size - 1; 2031 TCGv t0 = tcg_temp_new(); 2032 TCGv t1 = tcg_temp_new(); 2033 2034 /* 2035 * Do a byte access to possibly trigger a page 2036 * fault with the unaligned address. 2037 */ 2038 tcg_gen_qemu_ld_tl(t1, addr, mem_idx, MO_UB); 2039 tcg_gen_andi_tl(t1, addr, sizem1); 2040 if (cpu_is_bigendian(ctx)) { 2041 tcg_gen_xori_tl(t1, t1, sizem1); 2042 } 2043 tcg_gen_shli_tl(t1, t1, 3); 2044 tcg_gen_andi_tl(t0, addr, ~sizem1); 2045 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, mop); 2046 tcg_gen_shr_tl(t0, t0, t1); 2047 tcg_gen_xori_tl(t1, t1, size * 8 - 1); 2048 tcg_gen_shl_tl(t1, tcg_constant_tl(~1), t1); 2049 tcg_gen_and_tl(t1, reg, t1); 2050 tcg_gen_or_tl(reg, t0, t1); 2051 } 2052 2053 /* Load */ 2054 static void gen_ld(DisasContext *ctx, uint32_t opc, 2055 int rt, int base, int offset) 2056 { 2057 TCGv t0, t1; 2058 int mem_idx = ctx->mem_idx; 2059 2060 if (rt == 0 && ctx->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F | 2061 INSN_LOONGSON3A)) { 2062 /* 2063 * Loongson CPU uses a load to zero register for prefetch. 2064 * We emulate it as a NOP. On other CPU we must perform the 2065 * actual memory access. 2066 */ 2067 return; 2068 } 2069 2070 t0 = tcg_temp_new(); 2071 gen_base_offset_addr(ctx, t0, base, offset); 2072 2073 switch (opc) { 2074 #if defined(TARGET_MIPS64) 2075 case OPC_LWU: 2076 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUL | 2077 ctx->default_tcg_memop_mask); 2078 gen_store_gpr(t0, rt); 2079 break; 2080 case OPC_LD: 2081 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUQ | 2082 ctx->default_tcg_memop_mask); 2083 gen_store_gpr(t0, rt); 2084 break; 2085 case OPC_LLD: 2086 case R6_OPC_LLD: 2087 op_ld_lld(t0, t0, mem_idx, ctx); 2088 gen_store_gpr(t0, rt); 2089 break; 2090 case OPC_LDL: 2091 t1 = tcg_temp_new(); 2092 gen_load_gpr(t1, rt); 2093 gen_lxl(ctx, t1, t0, mem_idx, MO_TEUQ); 2094 gen_store_gpr(t1, rt); 2095 break; 2096 case OPC_LDR: 2097 t1 = tcg_temp_new(); 2098 gen_load_gpr(t1, rt); 2099 gen_lxr(ctx, t1, t0, mem_idx, MO_TEUQ); 2100 gen_store_gpr(t1, rt); 2101 break; 2102 case OPC_LDPC: 2103 t1 = tcg_constant_tl(pc_relative_pc(ctx)); 2104 gen_op_addr_add(ctx, t0, t0, t1); 2105 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUQ); 2106 gen_store_gpr(t0, rt); 2107 break; 2108 #endif 2109 case OPC_LWPC: 2110 t1 = tcg_constant_tl(pc_relative_pc(ctx)); 2111 gen_op_addr_add(ctx, t0, t0, t1); 2112 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESL); 2113 gen_store_gpr(t0, rt); 2114 break; 2115 case OPC_LWE: 2116 mem_idx = MIPS_HFLAG_UM; 2117 /* fall through */ 2118 case OPC_LW: 2119 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESL | 2120 ctx->default_tcg_memop_mask); 2121 gen_store_gpr(t0, rt); 2122 break; 2123 case OPC_LHE: 2124 mem_idx = MIPS_HFLAG_UM; 2125 /* fall through */ 2126 case OPC_LH: 2127 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESW | 2128 ctx->default_tcg_memop_mask); 2129 gen_store_gpr(t0, rt); 2130 break; 2131 case OPC_LHUE: 2132 mem_idx = MIPS_HFLAG_UM; 2133 /* fall through */ 2134 case OPC_LHU: 2135 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUW | 2136 ctx->default_tcg_memop_mask); 2137 gen_store_gpr(t0, rt); 2138 break; 2139 case OPC_LBE: 2140 mem_idx = MIPS_HFLAG_UM; 2141 /* fall through */ 2142 case OPC_LB: 2143 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_SB); 2144 gen_store_gpr(t0, rt); 2145 break; 2146 case OPC_LBUE: 2147 mem_idx = MIPS_HFLAG_UM; 2148 /* fall through */ 2149 case OPC_LBU: 2150 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_UB); 2151 gen_store_gpr(t0, rt); 2152 break; 2153 case OPC_LWLE: 2154 mem_idx = MIPS_HFLAG_UM; 2155 /* fall through */ 2156 case OPC_LWL: 2157 t1 = tcg_temp_new(); 2158 gen_load_gpr(t1, rt); 2159 gen_lxl(ctx, t1, t0, mem_idx, MO_TEUL); 2160 tcg_gen_ext32s_tl(t1, t1); 2161 gen_store_gpr(t1, rt); 2162 break; 2163 case OPC_LWRE: 2164 mem_idx = MIPS_HFLAG_UM; 2165 /* fall through */ 2166 case OPC_LWR: 2167 t1 = tcg_temp_new(); 2168 gen_load_gpr(t1, rt); 2169 gen_lxr(ctx, t1, t0, mem_idx, MO_TEUL); 2170 tcg_gen_ext32s_tl(t1, t1); 2171 gen_store_gpr(t1, rt); 2172 break; 2173 case OPC_LLE: 2174 mem_idx = MIPS_HFLAG_UM; 2175 /* fall through */ 2176 case OPC_LL: 2177 case R6_OPC_LL: 2178 op_ld_ll(t0, t0, mem_idx, ctx); 2179 gen_store_gpr(t0, rt); 2180 break; 2181 } 2182 } 2183 2184 /* Store */ 2185 static void gen_st(DisasContext *ctx, uint32_t opc, int rt, 2186 int base, int offset) 2187 { 2188 TCGv t0 = tcg_temp_new(); 2189 TCGv t1 = tcg_temp_new(); 2190 int mem_idx = ctx->mem_idx; 2191 2192 gen_base_offset_addr(ctx, t0, base, offset); 2193 gen_load_gpr(t1, rt); 2194 switch (opc) { 2195 #if defined(TARGET_MIPS64) 2196 case OPC_SD: 2197 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUQ | 2198 ctx->default_tcg_memop_mask); 2199 break; 2200 case OPC_SDL: 2201 gen_helper_0e2i(sdl, t1, t0, mem_idx); 2202 break; 2203 case OPC_SDR: 2204 gen_helper_0e2i(sdr, t1, t0, mem_idx); 2205 break; 2206 #endif 2207 case OPC_SWE: 2208 mem_idx = MIPS_HFLAG_UM; 2209 /* fall through */ 2210 case OPC_SW: 2211 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUL | 2212 ctx->default_tcg_memop_mask); 2213 break; 2214 case OPC_SHE: 2215 mem_idx = MIPS_HFLAG_UM; 2216 /* fall through */ 2217 case OPC_SH: 2218 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUW | 2219 ctx->default_tcg_memop_mask); 2220 break; 2221 case OPC_SBE: 2222 mem_idx = MIPS_HFLAG_UM; 2223 /* fall through */ 2224 case OPC_SB: 2225 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_8); 2226 break; 2227 case OPC_SWLE: 2228 mem_idx = MIPS_HFLAG_UM; 2229 /* fall through */ 2230 case OPC_SWL: 2231 gen_helper_0e2i(swl, t1, t0, mem_idx); 2232 break; 2233 case OPC_SWRE: 2234 mem_idx = MIPS_HFLAG_UM; 2235 /* fall through */ 2236 case OPC_SWR: 2237 gen_helper_0e2i(swr, t1, t0, mem_idx); 2238 break; 2239 } 2240 } 2241 2242 2243 /* Store conditional */ 2244 static void gen_st_cond(DisasContext *ctx, int rt, int base, int offset, 2245 MemOp tcg_mo, bool eva) 2246 { 2247 TCGv addr, t0, val; 2248 TCGLabel *l1 = gen_new_label(); 2249 TCGLabel *done = gen_new_label(); 2250 2251 t0 = tcg_temp_new(); 2252 addr = tcg_temp_new(); 2253 /* compare the address against that of the preceding LL */ 2254 gen_base_offset_addr(ctx, addr, base, offset); 2255 tcg_gen_brcond_tl(TCG_COND_EQ, addr, cpu_lladdr, l1); 2256 tcg_gen_movi_tl(t0, 0); 2257 gen_store_gpr(t0, rt); 2258 tcg_gen_br(done); 2259 2260 gen_set_label(l1); 2261 /* generate cmpxchg */ 2262 val = tcg_temp_new(); 2263 gen_load_gpr(val, rt); 2264 tcg_gen_atomic_cmpxchg_tl(t0, cpu_lladdr, cpu_llval, val, 2265 eva ? MIPS_HFLAG_UM : ctx->mem_idx, tcg_mo); 2266 tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_llval); 2267 gen_store_gpr(t0, rt); 2268 2269 gen_set_label(done); 2270 } 2271 2272 /* Load and store */ 2273 static void gen_flt_ldst(DisasContext *ctx, uint32_t opc, int ft, 2274 TCGv t0) 2275 { 2276 /* 2277 * Don't do NOP if destination is zero: we must perform the actual 2278 * memory access. 2279 */ 2280 switch (opc) { 2281 case OPC_LWC1: 2282 { 2283 TCGv_i32 fp0 = tcg_temp_new_i32(); 2284 tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL | 2285 ctx->default_tcg_memop_mask); 2286 gen_store_fpr32(ctx, fp0, ft); 2287 } 2288 break; 2289 case OPC_SWC1: 2290 { 2291 TCGv_i32 fp0 = tcg_temp_new_i32(); 2292 gen_load_fpr32(ctx, fp0, ft); 2293 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL | 2294 ctx->default_tcg_memop_mask); 2295 } 2296 break; 2297 case OPC_LDC1: 2298 { 2299 TCGv_i64 fp0 = tcg_temp_new_i64(); 2300 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEUQ | 2301 ctx->default_tcg_memop_mask); 2302 gen_store_fpr64(ctx, fp0, ft); 2303 } 2304 break; 2305 case OPC_SDC1: 2306 { 2307 TCGv_i64 fp0 = tcg_temp_new_i64(); 2308 gen_load_fpr64(ctx, fp0, ft); 2309 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEUQ | 2310 ctx->default_tcg_memop_mask); 2311 } 2312 break; 2313 default: 2314 MIPS_INVAL("flt_ldst"); 2315 gen_reserved_instruction(ctx); 2316 break; 2317 } 2318 } 2319 2320 static void gen_cop1_ldst(DisasContext *ctx, uint32_t op, int rt, 2321 int rs, int16_t imm) 2322 { 2323 TCGv t0 = tcg_temp_new(); 2324 2325 if (ctx->CP0_Config1 & (1 << CP0C1_FP)) { 2326 check_cp1_enabled(ctx); 2327 switch (op) { 2328 case OPC_LDC1: 2329 case OPC_SDC1: 2330 check_insn(ctx, ISA_MIPS2); 2331 /* Fallthrough */ 2332 default: 2333 gen_base_offset_addr(ctx, t0, rs, imm); 2334 gen_flt_ldst(ctx, op, rt, t0); 2335 } 2336 } else { 2337 generate_exception_err(ctx, EXCP_CpU, 1); 2338 } 2339 } 2340 2341 /* Arithmetic with immediate operand */ 2342 static void gen_arith_imm(DisasContext *ctx, uint32_t opc, 2343 int rt, int rs, int imm) 2344 { 2345 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */ 2346 2347 if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) { 2348 /* 2349 * If no destination, treat it as a NOP. 2350 * For addi, we must generate the overflow exception when needed. 2351 */ 2352 return; 2353 } 2354 switch (opc) { 2355 case OPC_ADDI: 2356 { 2357 TCGv t0 = tcg_temp_new(); 2358 TCGv t1 = tcg_temp_new(); 2359 TCGv t2 = tcg_temp_new(); 2360 TCGLabel *l1 = gen_new_label(); 2361 2362 gen_load_gpr(t1, rs); 2363 tcg_gen_addi_tl(t0, t1, uimm); 2364 tcg_gen_ext32s_tl(t0, t0); 2365 2366 tcg_gen_xori_tl(t1, t1, ~uimm); 2367 tcg_gen_xori_tl(t2, t0, uimm); 2368 tcg_gen_and_tl(t1, t1, t2); 2369 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2370 /* operands of same sign, result different sign */ 2371 generate_exception(ctx, EXCP_OVERFLOW); 2372 gen_set_label(l1); 2373 tcg_gen_ext32s_tl(t0, t0); 2374 gen_store_gpr(t0, rt); 2375 } 2376 break; 2377 case OPC_ADDIU: 2378 if (rs != 0) { 2379 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2380 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 2381 } else { 2382 tcg_gen_movi_tl(cpu_gpr[rt], uimm); 2383 } 2384 break; 2385 #if defined(TARGET_MIPS64) 2386 case OPC_DADDI: 2387 { 2388 TCGv t0 = tcg_temp_new(); 2389 TCGv t1 = tcg_temp_new(); 2390 TCGv t2 = tcg_temp_new(); 2391 TCGLabel *l1 = gen_new_label(); 2392 2393 gen_load_gpr(t1, rs); 2394 tcg_gen_addi_tl(t0, t1, uimm); 2395 2396 tcg_gen_xori_tl(t1, t1, ~uimm); 2397 tcg_gen_xori_tl(t2, t0, uimm); 2398 tcg_gen_and_tl(t1, t1, t2); 2399 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2400 /* operands of same sign, result different sign */ 2401 generate_exception(ctx, EXCP_OVERFLOW); 2402 gen_set_label(l1); 2403 gen_store_gpr(t0, rt); 2404 } 2405 break; 2406 case OPC_DADDIU: 2407 if (rs != 0) { 2408 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2409 } else { 2410 tcg_gen_movi_tl(cpu_gpr[rt], uimm); 2411 } 2412 break; 2413 #endif 2414 } 2415 } 2416 2417 /* Logic with immediate operand */ 2418 static void gen_logic_imm(DisasContext *ctx, uint32_t opc, 2419 int rt, int rs, int16_t imm) 2420 { 2421 target_ulong uimm; 2422 2423 if (rt == 0) { 2424 /* If no destination, treat it as a NOP. */ 2425 return; 2426 } 2427 uimm = (uint16_t)imm; 2428 switch (opc) { 2429 case OPC_ANDI: 2430 if (likely(rs != 0)) { 2431 tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2432 } else { 2433 tcg_gen_movi_tl(cpu_gpr[rt], 0); 2434 } 2435 break; 2436 case OPC_ORI: 2437 if (rs != 0) { 2438 tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2439 } else { 2440 tcg_gen_movi_tl(cpu_gpr[rt], uimm); 2441 } 2442 break; 2443 case OPC_XORI: 2444 if (likely(rs != 0)) { 2445 tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2446 } else { 2447 tcg_gen_movi_tl(cpu_gpr[rt], uimm); 2448 } 2449 break; 2450 case OPC_LUI: 2451 if (rs != 0 && (ctx->insn_flags & ISA_MIPS_R6)) { 2452 /* OPC_AUI */ 2453 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], imm << 16); 2454 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 2455 } else { 2456 tcg_gen_movi_tl(cpu_gpr[rt], imm << 16); 2457 } 2458 break; 2459 2460 default: 2461 break; 2462 } 2463 } 2464 2465 /* Set on less than with immediate operand */ 2466 static void gen_slt_imm(DisasContext *ctx, uint32_t opc, 2467 int rt, int rs, int16_t imm) 2468 { 2469 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */ 2470 TCGv t0; 2471 2472 if (rt == 0) { 2473 /* If no destination, treat it as a NOP. */ 2474 return; 2475 } 2476 t0 = tcg_temp_new(); 2477 gen_load_gpr(t0, rs); 2478 switch (opc) { 2479 case OPC_SLTI: 2480 tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr[rt], t0, uimm); 2481 break; 2482 case OPC_SLTIU: 2483 tcg_gen_setcondi_tl(TCG_COND_LTU, cpu_gpr[rt], t0, uimm); 2484 break; 2485 } 2486 } 2487 2488 /* Shifts with immediate operand */ 2489 static void gen_shift_imm(DisasContext *ctx, uint32_t opc, 2490 int rt, int rs, int16_t imm) 2491 { 2492 target_ulong uimm = ((uint16_t)imm) & 0x1f; 2493 TCGv t0; 2494 2495 if (rt == 0) { 2496 /* If no destination, treat it as a NOP. */ 2497 return; 2498 } 2499 2500 t0 = tcg_temp_new(); 2501 gen_load_gpr(t0, rs); 2502 switch (opc) { 2503 case OPC_SLL: 2504 tcg_gen_shli_tl(t0, t0, uimm); 2505 tcg_gen_ext32s_tl(cpu_gpr[rt], t0); 2506 break; 2507 case OPC_SRA: 2508 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); 2509 break; 2510 case OPC_SRL: 2511 if (uimm != 0) { 2512 tcg_gen_ext32u_tl(t0, t0); 2513 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); 2514 } else { 2515 tcg_gen_ext32s_tl(cpu_gpr[rt], t0); 2516 } 2517 break; 2518 case OPC_ROTR: 2519 if (uimm != 0) { 2520 TCGv_i32 t1 = tcg_temp_new_i32(); 2521 2522 tcg_gen_trunc_tl_i32(t1, t0); 2523 tcg_gen_rotri_i32(t1, t1, uimm); 2524 tcg_gen_ext_i32_tl(cpu_gpr[rt], t1); 2525 } else { 2526 tcg_gen_ext32s_tl(cpu_gpr[rt], t0); 2527 } 2528 break; 2529 #if defined(TARGET_MIPS64) 2530 case OPC_DSLL: 2531 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm); 2532 break; 2533 case OPC_DSRA: 2534 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); 2535 break; 2536 case OPC_DSRL: 2537 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); 2538 break; 2539 case OPC_DROTR: 2540 if (uimm != 0) { 2541 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm); 2542 } else { 2543 tcg_gen_mov_tl(cpu_gpr[rt], t0); 2544 } 2545 break; 2546 case OPC_DSLL32: 2547 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32); 2548 break; 2549 case OPC_DSRA32: 2550 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32); 2551 break; 2552 case OPC_DSRL32: 2553 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32); 2554 break; 2555 case OPC_DROTR32: 2556 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32); 2557 break; 2558 #endif 2559 } 2560 } 2561 2562 /* Arithmetic */ 2563 static void gen_arith(DisasContext *ctx, uint32_t opc, 2564 int rd, int rs, int rt) 2565 { 2566 if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB 2567 && opc != OPC_DADD && opc != OPC_DSUB) { 2568 /* 2569 * If no destination, treat it as a NOP. 2570 * For add & sub, we must generate the overflow exception when needed. 2571 */ 2572 return; 2573 } 2574 2575 switch (opc) { 2576 case OPC_ADD: 2577 { 2578 TCGv t0 = tcg_temp_new(); 2579 TCGv t1 = tcg_temp_new(); 2580 TCGv t2 = tcg_temp_new(); 2581 TCGLabel *l1 = gen_new_label(); 2582 2583 gen_load_gpr(t1, rs); 2584 gen_load_gpr(t2, rt); 2585 tcg_gen_add_tl(t0, t1, t2); 2586 tcg_gen_ext32s_tl(t0, t0); 2587 tcg_gen_xor_tl(t1, t1, t2); 2588 tcg_gen_xor_tl(t2, t0, t2); 2589 tcg_gen_andc_tl(t1, t2, t1); 2590 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2591 /* operands of same sign, result different sign */ 2592 generate_exception(ctx, EXCP_OVERFLOW); 2593 gen_set_label(l1); 2594 gen_store_gpr(t0, rd); 2595 } 2596 break; 2597 case OPC_ADDU: 2598 if (rs != 0 && rt != 0) { 2599 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2600 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 2601 } else if (rs == 0 && rt != 0) { 2602 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); 2603 } else if (rs != 0 && rt == 0) { 2604 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2605 } else { 2606 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2607 } 2608 break; 2609 case OPC_SUB: 2610 { 2611 TCGv t0 = tcg_temp_new(); 2612 TCGv t1 = tcg_temp_new(); 2613 TCGv t2 = tcg_temp_new(); 2614 TCGLabel *l1 = gen_new_label(); 2615 2616 gen_load_gpr(t1, rs); 2617 gen_load_gpr(t2, rt); 2618 tcg_gen_sub_tl(t0, t1, t2); 2619 tcg_gen_ext32s_tl(t0, t0); 2620 tcg_gen_xor_tl(t2, t1, t2); 2621 tcg_gen_xor_tl(t1, t0, t1); 2622 tcg_gen_and_tl(t1, t1, t2); 2623 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2624 /* 2625 * operands of different sign, first operand and the result 2626 * of different sign 2627 */ 2628 generate_exception(ctx, EXCP_OVERFLOW); 2629 gen_set_label(l1); 2630 gen_store_gpr(t0, rd); 2631 } 2632 break; 2633 case OPC_SUBU: 2634 if (rs != 0 && rt != 0) { 2635 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2636 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 2637 } else if (rs == 0 && rt != 0) { 2638 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); 2639 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 2640 } else if (rs != 0 && rt == 0) { 2641 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2642 } else { 2643 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2644 } 2645 break; 2646 #if defined(TARGET_MIPS64) 2647 case OPC_DADD: 2648 { 2649 TCGv t0 = tcg_temp_new(); 2650 TCGv t1 = tcg_temp_new(); 2651 TCGv t2 = tcg_temp_new(); 2652 TCGLabel *l1 = gen_new_label(); 2653 2654 gen_load_gpr(t1, rs); 2655 gen_load_gpr(t2, rt); 2656 tcg_gen_add_tl(t0, t1, t2); 2657 tcg_gen_xor_tl(t1, t1, t2); 2658 tcg_gen_xor_tl(t2, t0, t2); 2659 tcg_gen_andc_tl(t1, t2, t1); 2660 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2661 /* operands of same sign, result different sign */ 2662 generate_exception(ctx, EXCP_OVERFLOW); 2663 gen_set_label(l1); 2664 gen_store_gpr(t0, rd); 2665 } 2666 break; 2667 case OPC_DADDU: 2668 if (rs != 0 && rt != 0) { 2669 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2670 } else if (rs == 0 && rt != 0) { 2671 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); 2672 } else if (rs != 0 && rt == 0) { 2673 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2674 } else { 2675 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2676 } 2677 break; 2678 case OPC_DSUB: 2679 { 2680 TCGv t0 = tcg_temp_new(); 2681 TCGv t1 = tcg_temp_new(); 2682 TCGv t2 = tcg_temp_new(); 2683 TCGLabel *l1 = gen_new_label(); 2684 2685 gen_load_gpr(t1, rs); 2686 gen_load_gpr(t2, rt); 2687 tcg_gen_sub_tl(t0, t1, t2); 2688 tcg_gen_xor_tl(t2, t1, t2); 2689 tcg_gen_xor_tl(t1, t0, t1); 2690 tcg_gen_and_tl(t1, t1, t2); 2691 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2692 /* 2693 * Operands of different sign, first operand and result different 2694 * sign. 2695 */ 2696 generate_exception(ctx, EXCP_OVERFLOW); 2697 gen_set_label(l1); 2698 gen_store_gpr(t0, rd); 2699 } 2700 break; 2701 case OPC_DSUBU: 2702 if (rs != 0 && rt != 0) { 2703 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2704 } else if (rs == 0 && rt != 0) { 2705 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); 2706 } else if (rs != 0 && rt == 0) { 2707 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2708 } else { 2709 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2710 } 2711 break; 2712 #endif 2713 case OPC_MUL: 2714 if (likely(rs != 0 && rt != 0)) { 2715 tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2716 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 2717 } else { 2718 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2719 } 2720 break; 2721 } 2722 } 2723 2724 /* Conditional move */ 2725 static void gen_cond_move(DisasContext *ctx, uint32_t opc, 2726 int rd, int rs, int rt) 2727 { 2728 TCGv t0, t1, t2; 2729 2730 if (rd == 0) { 2731 /* If no destination, treat it as a NOP. */ 2732 return; 2733 } 2734 2735 t0 = tcg_temp_new(); 2736 gen_load_gpr(t0, rt); 2737 t1 = tcg_constant_tl(0); 2738 t2 = tcg_temp_new(); 2739 gen_load_gpr(t2, rs); 2740 switch (opc) { 2741 case OPC_MOVN: 2742 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rd], t0, t1, t2, cpu_gpr[rd]); 2743 break; 2744 case OPC_MOVZ: 2745 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr[rd], t0, t1, t2, cpu_gpr[rd]); 2746 break; 2747 case OPC_SELNEZ: 2748 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rd], t0, t1, t2, t1); 2749 break; 2750 case OPC_SELEQZ: 2751 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr[rd], t0, t1, t2, t1); 2752 break; 2753 } 2754 } 2755 2756 /* Logic */ 2757 static void gen_logic(DisasContext *ctx, uint32_t opc, 2758 int rd, int rs, int rt) 2759 { 2760 if (rd == 0) { 2761 /* If no destination, treat it as a NOP. */ 2762 return; 2763 } 2764 2765 switch (opc) { 2766 case OPC_AND: 2767 if (likely(rs != 0 && rt != 0)) { 2768 tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2769 } else { 2770 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2771 } 2772 break; 2773 case OPC_NOR: 2774 if (rs != 0 && rt != 0) { 2775 tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2776 } else if (rs == 0 && rt != 0) { 2777 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]); 2778 } else if (rs != 0 && rt == 0) { 2779 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]); 2780 } else { 2781 tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0)); 2782 } 2783 break; 2784 case OPC_OR: 2785 if (likely(rs != 0 && rt != 0)) { 2786 tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2787 } else if (rs == 0 && rt != 0) { 2788 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); 2789 } else if (rs != 0 && rt == 0) { 2790 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2791 } else { 2792 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2793 } 2794 break; 2795 case OPC_XOR: 2796 if (likely(rs != 0 && rt != 0)) { 2797 tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2798 } else if (rs == 0 && rt != 0) { 2799 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); 2800 } else if (rs != 0 && rt == 0) { 2801 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2802 } else { 2803 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2804 } 2805 break; 2806 } 2807 } 2808 2809 /* Set on lower than */ 2810 static void gen_slt(DisasContext *ctx, uint32_t opc, 2811 int rd, int rs, int rt) 2812 { 2813 TCGv t0, t1; 2814 2815 if (rd == 0) { 2816 /* If no destination, treat it as a NOP. */ 2817 return; 2818 } 2819 2820 t0 = tcg_temp_new(); 2821 t1 = tcg_temp_new(); 2822 gen_load_gpr(t0, rs); 2823 gen_load_gpr(t1, rt); 2824 switch (opc) { 2825 case OPC_SLT: 2826 tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr[rd], t0, t1); 2827 break; 2828 case OPC_SLTU: 2829 tcg_gen_setcond_tl(TCG_COND_LTU, cpu_gpr[rd], t0, t1); 2830 break; 2831 } 2832 } 2833 2834 /* Shifts */ 2835 static void gen_shift(DisasContext *ctx, uint32_t opc, 2836 int rd, int rs, int rt) 2837 { 2838 TCGv t0, t1; 2839 2840 if (rd == 0) { 2841 /* 2842 * If no destination, treat it as a NOP. 2843 * For add & sub, we must generate the overflow exception when needed. 2844 */ 2845 return; 2846 } 2847 2848 t0 = tcg_temp_new(); 2849 t1 = tcg_temp_new(); 2850 gen_load_gpr(t0, rs); 2851 gen_load_gpr(t1, rt); 2852 switch (opc) { 2853 case OPC_SLLV: 2854 tcg_gen_andi_tl(t0, t0, 0x1f); 2855 tcg_gen_shl_tl(t0, t1, t0); 2856 tcg_gen_ext32s_tl(cpu_gpr[rd], t0); 2857 break; 2858 case OPC_SRAV: 2859 tcg_gen_andi_tl(t0, t0, 0x1f); 2860 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); 2861 break; 2862 case OPC_SRLV: 2863 tcg_gen_ext32u_tl(t1, t1); 2864 tcg_gen_andi_tl(t0, t0, 0x1f); 2865 tcg_gen_shr_tl(t0, t1, t0); 2866 tcg_gen_ext32s_tl(cpu_gpr[rd], t0); 2867 break; 2868 case OPC_ROTRV: 2869 { 2870 TCGv_i32 t2 = tcg_temp_new_i32(); 2871 TCGv_i32 t3 = tcg_temp_new_i32(); 2872 2873 tcg_gen_trunc_tl_i32(t2, t0); 2874 tcg_gen_trunc_tl_i32(t3, t1); 2875 tcg_gen_andi_i32(t2, t2, 0x1f); 2876 tcg_gen_rotr_i32(t2, t3, t2); 2877 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 2878 } 2879 break; 2880 #if defined(TARGET_MIPS64) 2881 case OPC_DSLLV: 2882 tcg_gen_andi_tl(t0, t0, 0x3f); 2883 tcg_gen_shl_tl(cpu_gpr[rd], t1, t0); 2884 break; 2885 case OPC_DSRAV: 2886 tcg_gen_andi_tl(t0, t0, 0x3f); 2887 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); 2888 break; 2889 case OPC_DSRLV: 2890 tcg_gen_andi_tl(t0, t0, 0x3f); 2891 tcg_gen_shr_tl(cpu_gpr[rd], t1, t0); 2892 break; 2893 case OPC_DROTRV: 2894 tcg_gen_andi_tl(t0, t0, 0x3f); 2895 tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0); 2896 break; 2897 #endif 2898 } 2899 } 2900 2901 /* Arithmetic on HI/LO registers */ 2902 static void gen_HILO(DisasContext *ctx, uint32_t opc, int acc, int reg) 2903 { 2904 if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) { 2905 /* Treat as NOP. */ 2906 return; 2907 } 2908 2909 if (acc != 0) { 2910 check_dsp(ctx); 2911 } 2912 2913 switch (opc) { 2914 case OPC_MFHI: 2915 #if defined(TARGET_MIPS64) 2916 if (acc != 0) { 2917 tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_HI[acc]); 2918 } else 2919 #endif 2920 { 2921 tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[acc]); 2922 } 2923 break; 2924 case OPC_MFLO: 2925 #if defined(TARGET_MIPS64) 2926 if (acc != 0) { 2927 tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_LO[acc]); 2928 } else 2929 #endif 2930 { 2931 tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[acc]); 2932 } 2933 break; 2934 case OPC_MTHI: 2935 if (reg != 0) { 2936 #if defined(TARGET_MIPS64) 2937 if (acc != 0) { 2938 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_gpr[reg]); 2939 } else 2940 #endif 2941 { 2942 tcg_gen_mov_tl(cpu_HI[acc], cpu_gpr[reg]); 2943 } 2944 } else { 2945 tcg_gen_movi_tl(cpu_HI[acc], 0); 2946 } 2947 break; 2948 case OPC_MTLO: 2949 if (reg != 0) { 2950 #if defined(TARGET_MIPS64) 2951 if (acc != 0) { 2952 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_gpr[reg]); 2953 } else 2954 #endif 2955 { 2956 tcg_gen_mov_tl(cpu_LO[acc], cpu_gpr[reg]); 2957 } 2958 } else { 2959 tcg_gen_movi_tl(cpu_LO[acc], 0); 2960 } 2961 break; 2962 } 2963 } 2964 2965 static inline void gen_r6_ld(target_long addr, int reg, int memidx, 2966 MemOp memop) 2967 { 2968 TCGv t0 = tcg_temp_new(); 2969 tcg_gen_qemu_ld_tl(t0, tcg_constant_tl(addr), memidx, memop); 2970 gen_store_gpr(t0, reg); 2971 } 2972 2973 static inline void gen_pcrel(DisasContext *ctx, int opc, target_ulong pc, 2974 int rs) 2975 { 2976 target_long offset; 2977 target_long addr; 2978 2979 switch (MASK_OPC_PCREL_TOP2BITS(opc)) { 2980 case OPC_ADDIUPC: 2981 if (rs != 0) { 2982 offset = sextract32(ctx->opcode << 2, 0, 21); 2983 addr = addr_add(ctx, pc, offset); 2984 tcg_gen_movi_tl(cpu_gpr[rs], addr); 2985 } 2986 break; 2987 case R6_OPC_LWPC: 2988 offset = sextract32(ctx->opcode << 2, 0, 21); 2989 addr = addr_add(ctx, pc, offset); 2990 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TESL); 2991 break; 2992 #if defined(TARGET_MIPS64) 2993 case OPC_LWUPC: 2994 check_mips_64(ctx); 2995 offset = sextract32(ctx->opcode << 2, 0, 21); 2996 addr = addr_add(ctx, pc, offset); 2997 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TEUL); 2998 break; 2999 #endif 3000 default: 3001 switch (MASK_OPC_PCREL_TOP5BITS(opc)) { 3002 case OPC_AUIPC: 3003 if (rs != 0) { 3004 offset = sextract32(ctx->opcode, 0, 16) << 16; 3005 addr = addr_add(ctx, pc, offset); 3006 tcg_gen_movi_tl(cpu_gpr[rs], addr); 3007 } 3008 break; 3009 case OPC_ALUIPC: 3010 if (rs != 0) { 3011 offset = sextract32(ctx->opcode, 0, 16) << 16; 3012 addr = ~0xFFFF & addr_add(ctx, pc, offset); 3013 tcg_gen_movi_tl(cpu_gpr[rs], addr); 3014 } 3015 break; 3016 #if defined(TARGET_MIPS64) 3017 case R6_OPC_LDPC: /* bits 16 and 17 are part of immediate */ 3018 case R6_OPC_LDPC + (1 << 16): 3019 case R6_OPC_LDPC + (2 << 16): 3020 case R6_OPC_LDPC + (3 << 16): 3021 check_mips_64(ctx); 3022 offset = sextract32(ctx->opcode << 3, 0, 21); 3023 addr = addr_add(ctx, (pc & ~0x7), offset); 3024 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TEUQ); 3025 break; 3026 #endif 3027 default: 3028 MIPS_INVAL("OPC_PCREL"); 3029 gen_reserved_instruction(ctx); 3030 break; 3031 } 3032 break; 3033 } 3034 } 3035 3036 static void gen_r6_muldiv(DisasContext *ctx, int opc, int rd, int rs, int rt) 3037 { 3038 TCGv t0, t1; 3039 3040 if (rd == 0) { 3041 /* Treat as NOP. */ 3042 return; 3043 } 3044 3045 t0 = tcg_temp_new(); 3046 t1 = tcg_temp_new(); 3047 3048 gen_load_gpr(t0, rs); 3049 gen_load_gpr(t1, rt); 3050 3051 switch (opc) { 3052 case R6_OPC_DIV: 3053 { 3054 TCGv t2 = tcg_temp_new(); 3055 TCGv t3 = tcg_temp_new(); 3056 tcg_gen_ext32s_tl(t0, t0); 3057 tcg_gen_ext32s_tl(t1, t1); 3058 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN); 3059 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1); 3060 tcg_gen_and_tl(t2, t2, t3); 3061 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3062 tcg_gen_or_tl(t2, t2, t3); 3063 tcg_gen_movi_tl(t3, 0); 3064 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3065 tcg_gen_div_tl(cpu_gpr[rd], t0, t1); 3066 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3067 } 3068 break; 3069 case R6_OPC_MOD: 3070 { 3071 TCGv t2 = tcg_temp_new(); 3072 TCGv t3 = tcg_temp_new(); 3073 tcg_gen_ext32s_tl(t0, t0); 3074 tcg_gen_ext32s_tl(t1, t1); 3075 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN); 3076 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1); 3077 tcg_gen_and_tl(t2, t2, t3); 3078 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3079 tcg_gen_or_tl(t2, t2, t3); 3080 tcg_gen_movi_tl(t3, 0); 3081 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3082 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); 3083 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3084 } 3085 break; 3086 case R6_OPC_DIVU: 3087 { 3088 TCGv t2 = tcg_constant_tl(0); 3089 TCGv t3 = tcg_constant_tl(1); 3090 tcg_gen_ext32u_tl(t0, t0); 3091 tcg_gen_ext32u_tl(t1, t1); 3092 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3093 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); 3094 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3095 } 3096 break; 3097 case R6_OPC_MODU: 3098 { 3099 TCGv t2 = tcg_constant_tl(0); 3100 TCGv t3 = tcg_constant_tl(1); 3101 tcg_gen_ext32u_tl(t0, t0); 3102 tcg_gen_ext32u_tl(t1, t1); 3103 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3104 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); 3105 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3106 } 3107 break; 3108 case R6_OPC_MUL: 3109 { 3110 TCGv_i32 t2 = tcg_temp_new_i32(); 3111 TCGv_i32 t3 = tcg_temp_new_i32(); 3112 tcg_gen_trunc_tl_i32(t2, t0); 3113 tcg_gen_trunc_tl_i32(t3, t1); 3114 tcg_gen_mul_i32(t2, t2, t3); 3115 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 3116 } 3117 break; 3118 case R6_OPC_MUH: 3119 { 3120 TCGv_i32 t2 = tcg_temp_new_i32(); 3121 TCGv_i32 t3 = tcg_temp_new_i32(); 3122 tcg_gen_trunc_tl_i32(t2, t0); 3123 tcg_gen_trunc_tl_i32(t3, t1); 3124 tcg_gen_muls2_i32(t2, t3, t2, t3); 3125 tcg_gen_ext_i32_tl(cpu_gpr[rd], t3); 3126 } 3127 break; 3128 case R6_OPC_MULU: 3129 { 3130 TCGv_i32 t2 = tcg_temp_new_i32(); 3131 TCGv_i32 t3 = tcg_temp_new_i32(); 3132 tcg_gen_trunc_tl_i32(t2, t0); 3133 tcg_gen_trunc_tl_i32(t3, t1); 3134 tcg_gen_mul_i32(t2, t2, t3); 3135 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 3136 } 3137 break; 3138 case R6_OPC_MUHU: 3139 { 3140 TCGv_i32 t2 = tcg_temp_new_i32(); 3141 TCGv_i32 t3 = tcg_temp_new_i32(); 3142 tcg_gen_trunc_tl_i32(t2, t0); 3143 tcg_gen_trunc_tl_i32(t3, t1); 3144 tcg_gen_mulu2_i32(t2, t3, t2, t3); 3145 tcg_gen_ext_i32_tl(cpu_gpr[rd], t3); 3146 } 3147 break; 3148 #if defined(TARGET_MIPS64) 3149 case R6_OPC_DDIV: 3150 { 3151 TCGv t2 = tcg_temp_new(); 3152 TCGv t3 = tcg_temp_new(); 3153 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63); 3154 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL); 3155 tcg_gen_and_tl(t2, t2, t3); 3156 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3157 tcg_gen_or_tl(t2, t2, t3); 3158 tcg_gen_movi_tl(t3, 0); 3159 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3160 tcg_gen_div_tl(cpu_gpr[rd], t0, t1); 3161 } 3162 break; 3163 case R6_OPC_DMOD: 3164 { 3165 TCGv t2 = tcg_temp_new(); 3166 TCGv t3 = tcg_temp_new(); 3167 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63); 3168 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL); 3169 tcg_gen_and_tl(t2, t2, t3); 3170 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3171 tcg_gen_or_tl(t2, t2, t3); 3172 tcg_gen_movi_tl(t3, 0); 3173 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3174 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); 3175 } 3176 break; 3177 case R6_OPC_DDIVU: 3178 { 3179 TCGv t2 = tcg_constant_tl(0); 3180 TCGv t3 = tcg_constant_tl(1); 3181 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3182 tcg_gen_divu_i64(cpu_gpr[rd], t0, t1); 3183 } 3184 break; 3185 case R6_OPC_DMODU: 3186 { 3187 TCGv t2 = tcg_constant_tl(0); 3188 TCGv t3 = tcg_constant_tl(1); 3189 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3190 tcg_gen_remu_i64(cpu_gpr[rd], t0, t1); 3191 } 3192 break; 3193 case R6_OPC_DMUL: 3194 tcg_gen_mul_i64(cpu_gpr[rd], t0, t1); 3195 break; 3196 case R6_OPC_DMUH: 3197 { 3198 TCGv t2 = tcg_temp_new(); 3199 tcg_gen_muls2_i64(t2, cpu_gpr[rd], t0, t1); 3200 } 3201 break; 3202 case R6_OPC_DMULU: 3203 tcg_gen_mul_i64(cpu_gpr[rd], t0, t1); 3204 break; 3205 case R6_OPC_DMUHU: 3206 { 3207 TCGv t2 = tcg_temp_new(); 3208 tcg_gen_mulu2_i64(t2, cpu_gpr[rd], t0, t1); 3209 } 3210 break; 3211 #endif 3212 default: 3213 MIPS_INVAL("r6 mul/div"); 3214 gen_reserved_instruction(ctx); 3215 break; 3216 } 3217 } 3218 3219 #if defined(TARGET_MIPS64) 3220 static void gen_div1_tx79(DisasContext *ctx, uint32_t opc, int rs, int rt) 3221 { 3222 TCGv t0, t1; 3223 3224 t0 = tcg_temp_new(); 3225 t1 = tcg_temp_new(); 3226 3227 gen_load_gpr(t0, rs); 3228 gen_load_gpr(t1, rt); 3229 3230 switch (opc) { 3231 case MMI_OPC_DIV1: 3232 { 3233 TCGv t2 = tcg_temp_new(); 3234 TCGv t3 = tcg_temp_new(); 3235 tcg_gen_ext32s_tl(t0, t0); 3236 tcg_gen_ext32s_tl(t1, t1); 3237 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN); 3238 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1); 3239 tcg_gen_and_tl(t2, t2, t3); 3240 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3241 tcg_gen_or_tl(t2, t2, t3); 3242 tcg_gen_movi_tl(t3, 0); 3243 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3244 tcg_gen_div_tl(cpu_LO[1], t0, t1); 3245 tcg_gen_rem_tl(cpu_HI[1], t0, t1); 3246 tcg_gen_ext32s_tl(cpu_LO[1], cpu_LO[1]); 3247 tcg_gen_ext32s_tl(cpu_HI[1], cpu_HI[1]); 3248 } 3249 break; 3250 case MMI_OPC_DIVU1: 3251 { 3252 TCGv t2 = tcg_constant_tl(0); 3253 TCGv t3 = tcg_constant_tl(1); 3254 tcg_gen_ext32u_tl(t0, t0); 3255 tcg_gen_ext32u_tl(t1, t1); 3256 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3257 tcg_gen_divu_tl(cpu_LO[1], t0, t1); 3258 tcg_gen_remu_tl(cpu_HI[1], t0, t1); 3259 tcg_gen_ext32s_tl(cpu_LO[1], cpu_LO[1]); 3260 tcg_gen_ext32s_tl(cpu_HI[1], cpu_HI[1]); 3261 } 3262 break; 3263 default: 3264 MIPS_INVAL("div1 TX79"); 3265 gen_reserved_instruction(ctx); 3266 break; 3267 } 3268 } 3269 #endif 3270 3271 static void gen_muldiv(DisasContext *ctx, uint32_t opc, 3272 int acc, int rs, int rt) 3273 { 3274 TCGv t0, t1; 3275 3276 t0 = tcg_temp_new(); 3277 t1 = tcg_temp_new(); 3278 3279 gen_load_gpr(t0, rs); 3280 gen_load_gpr(t1, rt); 3281 3282 if (acc != 0) { 3283 check_dsp(ctx); 3284 } 3285 3286 switch (opc) { 3287 case OPC_DIV: 3288 { 3289 TCGv t2 = tcg_temp_new(); 3290 TCGv t3 = tcg_temp_new(); 3291 tcg_gen_ext32s_tl(t0, t0); 3292 tcg_gen_ext32s_tl(t1, t1); 3293 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN); 3294 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1); 3295 tcg_gen_and_tl(t2, t2, t3); 3296 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3297 tcg_gen_or_tl(t2, t2, t3); 3298 tcg_gen_movi_tl(t3, 0); 3299 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3300 tcg_gen_div_tl(cpu_LO[acc], t0, t1); 3301 tcg_gen_rem_tl(cpu_HI[acc], t0, t1); 3302 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]); 3303 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_HI[acc]); 3304 } 3305 break; 3306 case OPC_DIVU: 3307 { 3308 TCGv t2 = tcg_constant_tl(0); 3309 TCGv t3 = tcg_constant_tl(1); 3310 tcg_gen_ext32u_tl(t0, t0); 3311 tcg_gen_ext32u_tl(t1, t1); 3312 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3313 tcg_gen_divu_tl(cpu_LO[acc], t0, t1); 3314 tcg_gen_remu_tl(cpu_HI[acc], t0, t1); 3315 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]); 3316 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_HI[acc]); 3317 } 3318 break; 3319 case OPC_MULT: 3320 { 3321 TCGv_i32 t2 = tcg_temp_new_i32(); 3322 TCGv_i32 t3 = tcg_temp_new_i32(); 3323 tcg_gen_trunc_tl_i32(t2, t0); 3324 tcg_gen_trunc_tl_i32(t3, t1); 3325 tcg_gen_muls2_i32(t2, t3, t2, t3); 3326 tcg_gen_ext_i32_tl(cpu_LO[acc], t2); 3327 tcg_gen_ext_i32_tl(cpu_HI[acc], t3); 3328 } 3329 break; 3330 case OPC_MULTU: 3331 { 3332 TCGv_i32 t2 = tcg_temp_new_i32(); 3333 TCGv_i32 t3 = tcg_temp_new_i32(); 3334 tcg_gen_trunc_tl_i32(t2, t0); 3335 tcg_gen_trunc_tl_i32(t3, t1); 3336 tcg_gen_mulu2_i32(t2, t3, t2, t3); 3337 tcg_gen_ext_i32_tl(cpu_LO[acc], t2); 3338 tcg_gen_ext_i32_tl(cpu_HI[acc], t3); 3339 } 3340 break; 3341 #if defined(TARGET_MIPS64) 3342 case OPC_DDIV: 3343 { 3344 TCGv t2 = tcg_temp_new(); 3345 TCGv t3 = tcg_temp_new(); 3346 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63); 3347 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL); 3348 tcg_gen_and_tl(t2, t2, t3); 3349 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3350 tcg_gen_or_tl(t2, t2, t3); 3351 tcg_gen_movi_tl(t3, 0); 3352 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3353 tcg_gen_div_tl(cpu_LO[acc], t0, t1); 3354 tcg_gen_rem_tl(cpu_HI[acc], t0, t1); 3355 } 3356 break; 3357 case OPC_DDIVU: 3358 { 3359 TCGv t2 = tcg_constant_tl(0); 3360 TCGv t3 = tcg_constant_tl(1); 3361 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3362 tcg_gen_divu_i64(cpu_LO[acc], t0, t1); 3363 tcg_gen_remu_i64(cpu_HI[acc], t0, t1); 3364 } 3365 break; 3366 case OPC_DMULT: 3367 tcg_gen_muls2_i64(cpu_LO[acc], cpu_HI[acc], t0, t1); 3368 break; 3369 case OPC_DMULTU: 3370 tcg_gen_mulu2_i64(cpu_LO[acc], cpu_HI[acc], t0, t1); 3371 break; 3372 #endif 3373 case OPC_MADD: 3374 { 3375 TCGv_i64 t2 = tcg_temp_new_i64(); 3376 TCGv_i64 t3 = tcg_temp_new_i64(); 3377 3378 tcg_gen_ext_tl_i64(t2, t0); 3379 tcg_gen_ext_tl_i64(t3, t1); 3380 tcg_gen_mul_i64(t2, t2, t3); 3381 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3382 tcg_gen_add_i64(t2, t2, t3); 3383 gen_move_low32(cpu_LO[acc], t2); 3384 gen_move_high32(cpu_HI[acc], t2); 3385 } 3386 break; 3387 case OPC_MADDU: 3388 { 3389 TCGv_i64 t2 = tcg_temp_new_i64(); 3390 TCGv_i64 t3 = tcg_temp_new_i64(); 3391 3392 tcg_gen_ext32u_tl(t0, t0); 3393 tcg_gen_ext32u_tl(t1, t1); 3394 tcg_gen_extu_tl_i64(t2, t0); 3395 tcg_gen_extu_tl_i64(t3, t1); 3396 tcg_gen_mul_i64(t2, t2, t3); 3397 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3398 tcg_gen_add_i64(t2, t2, t3); 3399 gen_move_low32(cpu_LO[acc], t2); 3400 gen_move_high32(cpu_HI[acc], t2); 3401 } 3402 break; 3403 case OPC_MSUB: 3404 { 3405 TCGv_i64 t2 = tcg_temp_new_i64(); 3406 TCGv_i64 t3 = tcg_temp_new_i64(); 3407 3408 tcg_gen_ext_tl_i64(t2, t0); 3409 tcg_gen_ext_tl_i64(t3, t1); 3410 tcg_gen_mul_i64(t2, t2, t3); 3411 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3412 tcg_gen_sub_i64(t2, t3, t2); 3413 gen_move_low32(cpu_LO[acc], t2); 3414 gen_move_high32(cpu_HI[acc], t2); 3415 } 3416 break; 3417 case OPC_MSUBU: 3418 { 3419 TCGv_i64 t2 = tcg_temp_new_i64(); 3420 TCGv_i64 t3 = tcg_temp_new_i64(); 3421 3422 tcg_gen_ext32u_tl(t0, t0); 3423 tcg_gen_ext32u_tl(t1, t1); 3424 tcg_gen_extu_tl_i64(t2, t0); 3425 tcg_gen_extu_tl_i64(t3, t1); 3426 tcg_gen_mul_i64(t2, t2, t3); 3427 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3428 tcg_gen_sub_i64(t2, t3, t2); 3429 gen_move_low32(cpu_LO[acc], t2); 3430 gen_move_high32(cpu_HI[acc], t2); 3431 } 3432 break; 3433 default: 3434 MIPS_INVAL("mul/div"); 3435 gen_reserved_instruction(ctx); 3436 break; 3437 } 3438 } 3439 3440 /* 3441 * These MULT[U] and MADD[U] instructions implemented in for example 3442 * the Toshiba/Sony R5900 and the Toshiba TX19, TX39 and TX79 core 3443 * architectures are special three-operand variants with the syntax 3444 * 3445 * MULT[U][1] rd, rs, rt 3446 * 3447 * such that 3448 * 3449 * (rd, LO, HI) <- rs * rt 3450 * 3451 * and 3452 * 3453 * MADD[U][1] rd, rs, rt 3454 * 3455 * such that 3456 * 3457 * (rd, LO, HI) <- (LO, HI) + rs * rt 3458 * 3459 * where the low-order 32-bits of the result is placed into both the 3460 * GPR rd and the special register LO. The high-order 32-bits of the 3461 * result is placed into the special register HI. 3462 * 3463 * If the GPR rd is omitted in assembly language, it is taken to be 0, 3464 * which is the zero register that always reads as 0. 3465 */ 3466 static void gen_mul_txx9(DisasContext *ctx, uint32_t opc, 3467 int rd, int rs, int rt) 3468 { 3469 TCGv t0 = tcg_temp_new(); 3470 TCGv t1 = tcg_temp_new(); 3471 int acc = 0; 3472 3473 gen_load_gpr(t0, rs); 3474 gen_load_gpr(t1, rt); 3475 3476 switch (opc) { 3477 case MMI_OPC_MULT1: 3478 acc = 1; 3479 /* Fall through */ 3480 case OPC_MULT: 3481 { 3482 TCGv_i32 t2 = tcg_temp_new_i32(); 3483 TCGv_i32 t3 = tcg_temp_new_i32(); 3484 tcg_gen_trunc_tl_i32(t2, t0); 3485 tcg_gen_trunc_tl_i32(t3, t1); 3486 tcg_gen_muls2_i32(t2, t3, t2, t3); 3487 if (rd) { 3488 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 3489 } 3490 tcg_gen_ext_i32_tl(cpu_LO[acc], t2); 3491 tcg_gen_ext_i32_tl(cpu_HI[acc], t3); 3492 } 3493 break; 3494 case MMI_OPC_MULTU1: 3495 acc = 1; 3496 /* Fall through */ 3497 case OPC_MULTU: 3498 { 3499 TCGv_i32 t2 = tcg_temp_new_i32(); 3500 TCGv_i32 t3 = tcg_temp_new_i32(); 3501 tcg_gen_trunc_tl_i32(t2, t0); 3502 tcg_gen_trunc_tl_i32(t3, t1); 3503 tcg_gen_mulu2_i32(t2, t3, t2, t3); 3504 if (rd) { 3505 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 3506 } 3507 tcg_gen_ext_i32_tl(cpu_LO[acc], t2); 3508 tcg_gen_ext_i32_tl(cpu_HI[acc], t3); 3509 } 3510 break; 3511 case MMI_OPC_MADD1: 3512 acc = 1; 3513 /* Fall through */ 3514 case MMI_OPC_MADD: 3515 { 3516 TCGv_i64 t2 = tcg_temp_new_i64(); 3517 TCGv_i64 t3 = tcg_temp_new_i64(); 3518 3519 tcg_gen_ext_tl_i64(t2, t0); 3520 tcg_gen_ext_tl_i64(t3, t1); 3521 tcg_gen_mul_i64(t2, t2, t3); 3522 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3523 tcg_gen_add_i64(t2, t2, t3); 3524 gen_move_low32(cpu_LO[acc], t2); 3525 gen_move_high32(cpu_HI[acc], t2); 3526 if (rd) { 3527 gen_move_low32(cpu_gpr[rd], t2); 3528 } 3529 } 3530 break; 3531 case MMI_OPC_MADDU1: 3532 acc = 1; 3533 /* Fall through */ 3534 case MMI_OPC_MADDU: 3535 { 3536 TCGv_i64 t2 = tcg_temp_new_i64(); 3537 TCGv_i64 t3 = tcg_temp_new_i64(); 3538 3539 tcg_gen_ext32u_tl(t0, t0); 3540 tcg_gen_ext32u_tl(t1, t1); 3541 tcg_gen_extu_tl_i64(t2, t0); 3542 tcg_gen_extu_tl_i64(t3, t1); 3543 tcg_gen_mul_i64(t2, t2, t3); 3544 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3545 tcg_gen_add_i64(t2, t2, t3); 3546 gen_move_low32(cpu_LO[acc], t2); 3547 gen_move_high32(cpu_HI[acc], t2); 3548 if (rd) { 3549 gen_move_low32(cpu_gpr[rd], t2); 3550 } 3551 } 3552 break; 3553 default: 3554 MIPS_INVAL("mul/madd TXx9"); 3555 gen_reserved_instruction(ctx); 3556 break; 3557 } 3558 } 3559 3560 static void gen_cl(DisasContext *ctx, uint32_t opc, 3561 int rd, int rs) 3562 { 3563 TCGv t0; 3564 3565 if (rd == 0) { 3566 /* Treat as NOP. */ 3567 return; 3568 } 3569 t0 = cpu_gpr[rd]; 3570 gen_load_gpr(t0, rs); 3571 3572 switch (opc) { 3573 case OPC_CLO: 3574 case R6_OPC_CLO: 3575 #if defined(TARGET_MIPS64) 3576 case OPC_DCLO: 3577 case R6_OPC_DCLO: 3578 #endif 3579 tcg_gen_not_tl(t0, t0); 3580 break; 3581 } 3582 3583 switch (opc) { 3584 case OPC_CLO: 3585 case R6_OPC_CLO: 3586 case OPC_CLZ: 3587 case R6_OPC_CLZ: 3588 tcg_gen_ext32u_tl(t0, t0); 3589 tcg_gen_clzi_tl(t0, t0, TARGET_LONG_BITS); 3590 tcg_gen_subi_tl(t0, t0, TARGET_LONG_BITS - 32); 3591 break; 3592 #if defined(TARGET_MIPS64) 3593 case OPC_DCLO: 3594 case R6_OPC_DCLO: 3595 case OPC_DCLZ: 3596 case R6_OPC_DCLZ: 3597 tcg_gen_clzi_i64(t0, t0, 64); 3598 break; 3599 #endif 3600 } 3601 } 3602 3603 /* Godson integer instructions */ 3604 static void gen_loongson_integer(DisasContext *ctx, uint32_t opc, 3605 int rd, int rs, int rt) 3606 { 3607 TCGv t0, t1; 3608 3609 if (rd == 0) { 3610 /* Treat as NOP. */ 3611 return; 3612 } 3613 3614 t0 = tcg_temp_new(); 3615 t1 = tcg_temp_new(); 3616 gen_load_gpr(t0, rs); 3617 gen_load_gpr(t1, rt); 3618 3619 switch (opc) { 3620 case OPC_MULT_G_2E: 3621 case OPC_MULT_G_2F: 3622 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); 3623 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3624 break; 3625 case OPC_MULTU_G_2E: 3626 case OPC_MULTU_G_2F: 3627 tcg_gen_ext32u_tl(t0, t0); 3628 tcg_gen_ext32u_tl(t1, t1); 3629 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); 3630 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3631 break; 3632 case OPC_DIV_G_2E: 3633 case OPC_DIV_G_2F: 3634 { 3635 TCGLabel *l1 = gen_new_label(); 3636 TCGLabel *l2 = gen_new_label(); 3637 TCGLabel *l3 = gen_new_label(); 3638 tcg_gen_ext32s_tl(t0, t0); 3639 tcg_gen_ext32s_tl(t1, t1); 3640 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3641 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3642 tcg_gen_br(l3); 3643 gen_set_label(l1); 3644 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); 3645 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); 3646 tcg_gen_mov_tl(cpu_gpr[rd], t0); 3647 tcg_gen_br(l3); 3648 gen_set_label(l2); 3649 tcg_gen_div_tl(cpu_gpr[rd], t0, t1); 3650 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3651 gen_set_label(l3); 3652 } 3653 break; 3654 case OPC_DIVU_G_2E: 3655 case OPC_DIVU_G_2F: 3656 { 3657 TCGLabel *l1 = gen_new_label(); 3658 TCGLabel *l2 = gen_new_label(); 3659 tcg_gen_ext32u_tl(t0, t0); 3660 tcg_gen_ext32u_tl(t1, t1); 3661 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3662 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3663 tcg_gen_br(l2); 3664 gen_set_label(l1); 3665 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); 3666 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3667 gen_set_label(l2); 3668 } 3669 break; 3670 case OPC_MOD_G_2E: 3671 case OPC_MOD_G_2F: 3672 { 3673 TCGLabel *l1 = gen_new_label(); 3674 TCGLabel *l2 = gen_new_label(); 3675 TCGLabel *l3 = gen_new_label(); 3676 tcg_gen_ext32u_tl(t0, t0); 3677 tcg_gen_ext32u_tl(t1, t1); 3678 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); 3679 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); 3680 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); 3681 gen_set_label(l1); 3682 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3683 tcg_gen_br(l3); 3684 gen_set_label(l2); 3685 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); 3686 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3687 gen_set_label(l3); 3688 } 3689 break; 3690 case OPC_MODU_G_2E: 3691 case OPC_MODU_G_2F: 3692 { 3693 TCGLabel *l1 = gen_new_label(); 3694 TCGLabel *l2 = gen_new_label(); 3695 tcg_gen_ext32u_tl(t0, t0); 3696 tcg_gen_ext32u_tl(t1, t1); 3697 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3698 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3699 tcg_gen_br(l2); 3700 gen_set_label(l1); 3701 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); 3702 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3703 gen_set_label(l2); 3704 } 3705 break; 3706 #if defined(TARGET_MIPS64) 3707 case OPC_DMULT_G_2E: 3708 case OPC_DMULT_G_2F: 3709 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); 3710 break; 3711 case OPC_DMULTU_G_2E: 3712 case OPC_DMULTU_G_2F: 3713 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); 3714 break; 3715 case OPC_DDIV_G_2E: 3716 case OPC_DDIV_G_2F: 3717 { 3718 TCGLabel *l1 = gen_new_label(); 3719 TCGLabel *l2 = gen_new_label(); 3720 TCGLabel *l3 = gen_new_label(); 3721 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3722 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3723 tcg_gen_br(l3); 3724 gen_set_label(l1); 3725 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); 3726 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); 3727 tcg_gen_mov_tl(cpu_gpr[rd], t0); 3728 tcg_gen_br(l3); 3729 gen_set_label(l2); 3730 tcg_gen_div_tl(cpu_gpr[rd], t0, t1); 3731 gen_set_label(l3); 3732 } 3733 break; 3734 case OPC_DDIVU_G_2E: 3735 case OPC_DDIVU_G_2F: 3736 { 3737 TCGLabel *l1 = gen_new_label(); 3738 TCGLabel *l2 = gen_new_label(); 3739 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3740 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3741 tcg_gen_br(l2); 3742 gen_set_label(l1); 3743 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); 3744 gen_set_label(l2); 3745 } 3746 break; 3747 case OPC_DMOD_G_2E: 3748 case OPC_DMOD_G_2F: 3749 { 3750 TCGLabel *l1 = gen_new_label(); 3751 TCGLabel *l2 = gen_new_label(); 3752 TCGLabel *l3 = gen_new_label(); 3753 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); 3754 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); 3755 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); 3756 gen_set_label(l1); 3757 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3758 tcg_gen_br(l3); 3759 gen_set_label(l2); 3760 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); 3761 gen_set_label(l3); 3762 } 3763 break; 3764 case OPC_DMODU_G_2E: 3765 case OPC_DMODU_G_2F: 3766 { 3767 TCGLabel *l1 = gen_new_label(); 3768 TCGLabel *l2 = gen_new_label(); 3769 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3770 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3771 tcg_gen_br(l2); 3772 gen_set_label(l1); 3773 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); 3774 gen_set_label(l2); 3775 } 3776 break; 3777 #endif 3778 } 3779 } 3780 3781 /* Loongson multimedia instructions */ 3782 static void gen_loongson_multimedia(DisasContext *ctx, int rd, int rs, int rt) 3783 { 3784 uint32_t opc, shift_max; 3785 TCGv_i64 t0, t1; 3786 TCGCond cond; 3787 3788 opc = MASK_LMMI(ctx->opcode); 3789 check_cp1_enabled(ctx); 3790 3791 t0 = tcg_temp_new_i64(); 3792 t1 = tcg_temp_new_i64(); 3793 gen_load_fpr64(ctx, t0, rs); 3794 gen_load_fpr64(ctx, t1, rt); 3795 3796 switch (opc) { 3797 case OPC_PADDSH: 3798 gen_helper_paddsh(t0, t0, t1); 3799 break; 3800 case OPC_PADDUSH: 3801 gen_helper_paddush(t0, t0, t1); 3802 break; 3803 case OPC_PADDH: 3804 gen_helper_paddh(t0, t0, t1); 3805 break; 3806 case OPC_PADDW: 3807 gen_helper_paddw(t0, t0, t1); 3808 break; 3809 case OPC_PADDSB: 3810 gen_helper_paddsb(t0, t0, t1); 3811 break; 3812 case OPC_PADDUSB: 3813 gen_helper_paddusb(t0, t0, t1); 3814 break; 3815 case OPC_PADDB: 3816 gen_helper_paddb(t0, t0, t1); 3817 break; 3818 3819 case OPC_PSUBSH: 3820 gen_helper_psubsh(t0, t0, t1); 3821 break; 3822 case OPC_PSUBUSH: 3823 gen_helper_psubush(t0, t0, t1); 3824 break; 3825 case OPC_PSUBH: 3826 gen_helper_psubh(t0, t0, t1); 3827 break; 3828 case OPC_PSUBW: 3829 gen_helper_psubw(t0, t0, t1); 3830 break; 3831 case OPC_PSUBSB: 3832 gen_helper_psubsb(t0, t0, t1); 3833 break; 3834 case OPC_PSUBUSB: 3835 gen_helper_psubusb(t0, t0, t1); 3836 break; 3837 case OPC_PSUBB: 3838 gen_helper_psubb(t0, t0, t1); 3839 break; 3840 3841 case OPC_PSHUFH: 3842 gen_helper_pshufh(t0, t0, t1); 3843 break; 3844 case OPC_PACKSSWH: 3845 gen_helper_packsswh(t0, t0, t1); 3846 break; 3847 case OPC_PACKSSHB: 3848 gen_helper_packsshb(t0, t0, t1); 3849 break; 3850 case OPC_PACKUSHB: 3851 gen_helper_packushb(t0, t0, t1); 3852 break; 3853 3854 case OPC_PUNPCKLHW: 3855 gen_helper_punpcklhw(t0, t0, t1); 3856 break; 3857 case OPC_PUNPCKHHW: 3858 gen_helper_punpckhhw(t0, t0, t1); 3859 break; 3860 case OPC_PUNPCKLBH: 3861 gen_helper_punpcklbh(t0, t0, t1); 3862 break; 3863 case OPC_PUNPCKHBH: 3864 gen_helper_punpckhbh(t0, t0, t1); 3865 break; 3866 case OPC_PUNPCKLWD: 3867 gen_helper_punpcklwd(t0, t0, t1); 3868 break; 3869 case OPC_PUNPCKHWD: 3870 gen_helper_punpckhwd(t0, t0, t1); 3871 break; 3872 3873 case OPC_PAVGH: 3874 gen_helper_pavgh(t0, t0, t1); 3875 break; 3876 case OPC_PAVGB: 3877 gen_helper_pavgb(t0, t0, t1); 3878 break; 3879 case OPC_PMAXSH: 3880 gen_helper_pmaxsh(t0, t0, t1); 3881 break; 3882 case OPC_PMINSH: 3883 gen_helper_pminsh(t0, t0, t1); 3884 break; 3885 case OPC_PMAXUB: 3886 gen_helper_pmaxub(t0, t0, t1); 3887 break; 3888 case OPC_PMINUB: 3889 gen_helper_pminub(t0, t0, t1); 3890 break; 3891 3892 case OPC_PCMPEQW: 3893 gen_helper_pcmpeqw(t0, t0, t1); 3894 break; 3895 case OPC_PCMPGTW: 3896 gen_helper_pcmpgtw(t0, t0, t1); 3897 break; 3898 case OPC_PCMPEQH: 3899 gen_helper_pcmpeqh(t0, t0, t1); 3900 break; 3901 case OPC_PCMPGTH: 3902 gen_helper_pcmpgth(t0, t0, t1); 3903 break; 3904 case OPC_PCMPEQB: 3905 gen_helper_pcmpeqb(t0, t0, t1); 3906 break; 3907 case OPC_PCMPGTB: 3908 gen_helper_pcmpgtb(t0, t0, t1); 3909 break; 3910 3911 case OPC_PSLLW: 3912 gen_helper_psllw(t0, t0, t1); 3913 break; 3914 case OPC_PSLLH: 3915 gen_helper_psllh(t0, t0, t1); 3916 break; 3917 case OPC_PSRLW: 3918 gen_helper_psrlw(t0, t0, t1); 3919 break; 3920 case OPC_PSRLH: 3921 gen_helper_psrlh(t0, t0, t1); 3922 break; 3923 case OPC_PSRAW: 3924 gen_helper_psraw(t0, t0, t1); 3925 break; 3926 case OPC_PSRAH: 3927 gen_helper_psrah(t0, t0, t1); 3928 break; 3929 3930 case OPC_PMULLH: 3931 gen_helper_pmullh(t0, t0, t1); 3932 break; 3933 case OPC_PMULHH: 3934 gen_helper_pmulhh(t0, t0, t1); 3935 break; 3936 case OPC_PMULHUH: 3937 gen_helper_pmulhuh(t0, t0, t1); 3938 break; 3939 case OPC_PMADDHW: 3940 gen_helper_pmaddhw(t0, t0, t1); 3941 break; 3942 3943 case OPC_PASUBUB: 3944 gen_helper_pasubub(t0, t0, t1); 3945 break; 3946 case OPC_BIADD: 3947 gen_helper_biadd(t0, t0); 3948 break; 3949 case OPC_PMOVMSKB: 3950 gen_helper_pmovmskb(t0, t0); 3951 break; 3952 3953 case OPC_PADDD: 3954 tcg_gen_add_i64(t0, t0, t1); 3955 break; 3956 case OPC_PSUBD: 3957 tcg_gen_sub_i64(t0, t0, t1); 3958 break; 3959 case OPC_XOR_CP2: 3960 tcg_gen_xor_i64(t0, t0, t1); 3961 break; 3962 case OPC_NOR_CP2: 3963 tcg_gen_nor_i64(t0, t0, t1); 3964 break; 3965 case OPC_AND_CP2: 3966 tcg_gen_and_i64(t0, t0, t1); 3967 break; 3968 case OPC_OR_CP2: 3969 tcg_gen_or_i64(t0, t0, t1); 3970 break; 3971 3972 case OPC_PANDN: 3973 tcg_gen_andc_i64(t0, t1, t0); 3974 break; 3975 3976 case OPC_PINSRH_0: 3977 tcg_gen_deposit_i64(t0, t0, t1, 0, 16); 3978 break; 3979 case OPC_PINSRH_1: 3980 tcg_gen_deposit_i64(t0, t0, t1, 16, 16); 3981 break; 3982 case OPC_PINSRH_2: 3983 tcg_gen_deposit_i64(t0, t0, t1, 32, 16); 3984 break; 3985 case OPC_PINSRH_3: 3986 tcg_gen_deposit_i64(t0, t0, t1, 48, 16); 3987 break; 3988 3989 case OPC_PEXTRH: 3990 tcg_gen_andi_i64(t1, t1, 3); 3991 tcg_gen_shli_i64(t1, t1, 4); 3992 tcg_gen_shr_i64(t0, t0, t1); 3993 tcg_gen_ext16u_i64(t0, t0); 3994 break; 3995 3996 case OPC_ADDU_CP2: 3997 tcg_gen_add_i64(t0, t0, t1); 3998 tcg_gen_ext32s_i64(t0, t0); 3999 break; 4000 case OPC_SUBU_CP2: 4001 tcg_gen_sub_i64(t0, t0, t1); 4002 tcg_gen_ext32s_i64(t0, t0); 4003 break; 4004 4005 case OPC_SLL_CP2: 4006 shift_max = 32; 4007 goto do_shift; 4008 case OPC_SRL_CP2: 4009 shift_max = 32; 4010 goto do_shift; 4011 case OPC_SRA_CP2: 4012 shift_max = 32; 4013 goto do_shift; 4014 case OPC_DSLL_CP2: 4015 shift_max = 64; 4016 goto do_shift; 4017 case OPC_DSRL_CP2: 4018 shift_max = 64; 4019 goto do_shift; 4020 case OPC_DSRA_CP2: 4021 shift_max = 64; 4022 goto do_shift; 4023 do_shift: 4024 /* Make sure shift count isn't TCG undefined behaviour. */ 4025 tcg_gen_andi_i64(t1, t1, shift_max - 1); 4026 4027 switch (opc) { 4028 case OPC_SLL_CP2: 4029 case OPC_DSLL_CP2: 4030 tcg_gen_shl_i64(t0, t0, t1); 4031 break; 4032 case OPC_SRA_CP2: 4033 case OPC_DSRA_CP2: 4034 /* 4035 * Since SRA is UndefinedResult without sign-extended inputs, 4036 * we can treat SRA and DSRA the same. 4037 */ 4038 tcg_gen_sar_i64(t0, t0, t1); 4039 break; 4040 case OPC_SRL_CP2: 4041 /* We want to shift in zeros for SRL; zero-extend first. */ 4042 tcg_gen_ext32u_i64(t0, t0); 4043 /* FALLTHRU */ 4044 case OPC_DSRL_CP2: 4045 tcg_gen_shr_i64(t0, t0, t1); 4046 break; 4047 } 4048 4049 if (shift_max == 32) { 4050 tcg_gen_ext32s_i64(t0, t0); 4051 } 4052 4053 /* Shifts larger than MAX produce zero. */ 4054 tcg_gen_setcondi_i64(TCG_COND_LTU, t1, t1, shift_max); 4055 tcg_gen_neg_i64(t1, t1); 4056 tcg_gen_and_i64(t0, t0, t1); 4057 break; 4058 4059 case OPC_ADD_CP2: 4060 case OPC_DADD_CP2: 4061 { 4062 TCGv_i64 t2 = tcg_temp_new_i64(); 4063 TCGLabel *lab = gen_new_label(); 4064 4065 tcg_gen_mov_i64(t2, t0); 4066 tcg_gen_add_i64(t0, t1, t2); 4067 if (opc == OPC_ADD_CP2) { 4068 tcg_gen_ext32s_i64(t0, t0); 4069 } 4070 tcg_gen_xor_i64(t1, t1, t2); 4071 tcg_gen_xor_i64(t2, t2, t0); 4072 tcg_gen_andc_i64(t1, t2, t1); 4073 tcg_gen_brcondi_i64(TCG_COND_GE, t1, 0, lab); 4074 generate_exception(ctx, EXCP_OVERFLOW); 4075 gen_set_label(lab); 4076 break; 4077 } 4078 4079 case OPC_SUB_CP2: 4080 case OPC_DSUB_CP2: 4081 { 4082 TCGv_i64 t2 = tcg_temp_new_i64(); 4083 TCGLabel *lab = gen_new_label(); 4084 4085 tcg_gen_mov_i64(t2, t0); 4086 tcg_gen_sub_i64(t0, t1, t2); 4087 if (opc == OPC_SUB_CP2) { 4088 tcg_gen_ext32s_i64(t0, t0); 4089 } 4090 tcg_gen_xor_i64(t1, t1, t2); 4091 tcg_gen_xor_i64(t2, t2, t0); 4092 tcg_gen_and_i64(t1, t1, t2); 4093 tcg_gen_brcondi_i64(TCG_COND_GE, t1, 0, lab); 4094 generate_exception(ctx, EXCP_OVERFLOW); 4095 gen_set_label(lab); 4096 break; 4097 } 4098 4099 case OPC_PMULUW: 4100 tcg_gen_ext32u_i64(t0, t0); 4101 tcg_gen_ext32u_i64(t1, t1); 4102 tcg_gen_mul_i64(t0, t0, t1); 4103 break; 4104 4105 case OPC_SEQU_CP2: 4106 case OPC_SEQ_CP2: 4107 cond = TCG_COND_EQ; 4108 goto do_cc_cond; 4109 break; 4110 case OPC_SLTU_CP2: 4111 cond = TCG_COND_LTU; 4112 goto do_cc_cond; 4113 break; 4114 case OPC_SLT_CP2: 4115 cond = TCG_COND_LT; 4116 goto do_cc_cond; 4117 break; 4118 case OPC_SLEU_CP2: 4119 cond = TCG_COND_LEU; 4120 goto do_cc_cond; 4121 break; 4122 case OPC_SLE_CP2: 4123 cond = TCG_COND_LE; 4124 do_cc_cond: 4125 { 4126 int cc = (ctx->opcode >> 8) & 0x7; 4127 TCGv_i64 t64 = tcg_temp_new_i64(); 4128 TCGv_i32 t32 = tcg_temp_new_i32(); 4129 4130 tcg_gen_setcond_i64(cond, t64, t0, t1); 4131 tcg_gen_extrl_i64_i32(t32, t64); 4132 tcg_gen_deposit_i32(fpu_fcr31, fpu_fcr31, t32, 4133 get_fp_bit(cc), 1); 4134 } 4135 return; 4136 default: 4137 MIPS_INVAL("loongson_cp2"); 4138 gen_reserved_instruction(ctx); 4139 return; 4140 } 4141 4142 gen_store_fpr64(ctx, t0, rd); 4143 } 4144 4145 static void gen_loongson_lswc2(DisasContext *ctx, int rt, 4146 int rs, int rd) 4147 { 4148 TCGv t0, t1; 4149 TCGv_i32 fp0; 4150 #if defined(TARGET_MIPS64) 4151 int lsq_rt1 = ctx->opcode & 0x1f; 4152 int lsq_offset = sextract32(ctx->opcode, 6, 9) << 4; 4153 #endif 4154 int shf_offset = sextract32(ctx->opcode, 6, 8); 4155 4156 t0 = tcg_temp_new(); 4157 4158 switch (MASK_LOONGSON_GSLSQ(ctx->opcode)) { 4159 #if defined(TARGET_MIPS64) 4160 case OPC_GSLQ: 4161 t1 = tcg_temp_new(); 4162 gen_base_offset_addr(ctx, t0, rs, lsq_offset); 4163 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEUQ | 4164 ctx->default_tcg_memop_mask); 4165 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); 4166 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ | 4167 ctx->default_tcg_memop_mask); 4168 gen_store_gpr(t1, rt); 4169 gen_store_gpr(t0, lsq_rt1); 4170 break; 4171 case OPC_GSLQC1: 4172 check_cp1_enabled(ctx); 4173 t1 = tcg_temp_new(); 4174 gen_base_offset_addr(ctx, t0, rs, lsq_offset); 4175 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEUQ | 4176 ctx->default_tcg_memop_mask); 4177 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); 4178 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ | 4179 ctx->default_tcg_memop_mask); 4180 gen_store_fpr64(ctx, t1, rt); 4181 gen_store_fpr64(ctx, t0, lsq_rt1); 4182 break; 4183 case OPC_GSSQ: 4184 t1 = tcg_temp_new(); 4185 gen_base_offset_addr(ctx, t0, rs, lsq_offset); 4186 gen_load_gpr(t1, rt); 4187 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ | 4188 ctx->default_tcg_memop_mask); 4189 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); 4190 gen_load_gpr(t1, lsq_rt1); 4191 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ | 4192 ctx->default_tcg_memop_mask); 4193 break; 4194 case OPC_GSSQC1: 4195 check_cp1_enabled(ctx); 4196 t1 = tcg_temp_new(); 4197 gen_base_offset_addr(ctx, t0, rs, lsq_offset); 4198 gen_load_fpr64(ctx, t1, rt); 4199 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ | 4200 ctx->default_tcg_memop_mask); 4201 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); 4202 gen_load_fpr64(ctx, t1, lsq_rt1); 4203 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ | 4204 ctx->default_tcg_memop_mask); 4205 break; 4206 #endif 4207 case OPC_GSSHFL: 4208 switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) { 4209 case OPC_GSLWLC1: 4210 check_cp1_enabled(ctx); 4211 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4212 fp0 = tcg_temp_new_i32(); 4213 gen_load_fpr32(ctx, fp0, rt); 4214 t1 = tcg_temp_new(); 4215 tcg_gen_ext_i32_tl(t1, fp0); 4216 gen_lxl(ctx, t1, t0, ctx->mem_idx, MO_TEUL); 4217 tcg_gen_trunc_tl_i32(fp0, t1); 4218 gen_store_fpr32(ctx, fp0, rt); 4219 break; 4220 case OPC_GSLWRC1: 4221 check_cp1_enabled(ctx); 4222 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4223 fp0 = tcg_temp_new_i32(); 4224 gen_load_fpr32(ctx, fp0, rt); 4225 t1 = tcg_temp_new(); 4226 tcg_gen_ext_i32_tl(t1, fp0); 4227 gen_lxr(ctx, t1, t0, ctx->mem_idx, MO_TEUL); 4228 tcg_gen_trunc_tl_i32(fp0, t1); 4229 gen_store_fpr32(ctx, fp0, rt); 4230 break; 4231 #if defined(TARGET_MIPS64) 4232 case OPC_GSLDLC1: 4233 check_cp1_enabled(ctx); 4234 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4235 t1 = tcg_temp_new(); 4236 gen_load_fpr64(ctx, t1, rt); 4237 gen_lxl(ctx, t1, t0, ctx->mem_idx, MO_TEUQ); 4238 gen_store_fpr64(ctx, t1, rt); 4239 break; 4240 case OPC_GSLDRC1: 4241 check_cp1_enabled(ctx); 4242 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4243 t1 = tcg_temp_new(); 4244 gen_load_fpr64(ctx, t1, rt); 4245 gen_lxr(ctx, t1, t0, ctx->mem_idx, MO_TEUQ); 4246 gen_store_fpr64(ctx, t1, rt); 4247 break; 4248 #endif 4249 default: 4250 MIPS_INVAL("loongson_gsshfl"); 4251 gen_reserved_instruction(ctx); 4252 break; 4253 } 4254 break; 4255 case OPC_GSSHFS: 4256 switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) { 4257 case OPC_GSSWLC1: 4258 check_cp1_enabled(ctx); 4259 t1 = tcg_temp_new(); 4260 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4261 fp0 = tcg_temp_new_i32(); 4262 gen_load_fpr32(ctx, fp0, rt); 4263 tcg_gen_ext_i32_tl(t1, fp0); 4264 gen_helper_0e2i(swl, t1, t0, ctx->mem_idx); 4265 break; 4266 case OPC_GSSWRC1: 4267 check_cp1_enabled(ctx); 4268 t1 = tcg_temp_new(); 4269 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4270 fp0 = tcg_temp_new_i32(); 4271 gen_load_fpr32(ctx, fp0, rt); 4272 tcg_gen_ext_i32_tl(t1, fp0); 4273 gen_helper_0e2i(swr, t1, t0, ctx->mem_idx); 4274 break; 4275 #if defined(TARGET_MIPS64) 4276 case OPC_GSSDLC1: 4277 check_cp1_enabled(ctx); 4278 t1 = tcg_temp_new(); 4279 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4280 gen_load_fpr64(ctx, t1, rt); 4281 gen_helper_0e2i(sdl, t1, t0, ctx->mem_idx); 4282 break; 4283 case OPC_GSSDRC1: 4284 check_cp1_enabled(ctx); 4285 t1 = tcg_temp_new(); 4286 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4287 gen_load_fpr64(ctx, t1, rt); 4288 gen_helper_0e2i(sdr, t1, t0, ctx->mem_idx); 4289 break; 4290 #endif 4291 default: 4292 MIPS_INVAL("loongson_gsshfs"); 4293 gen_reserved_instruction(ctx); 4294 break; 4295 } 4296 break; 4297 default: 4298 MIPS_INVAL("loongson_gslsq"); 4299 gen_reserved_instruction(ctx); 4300 break; 4301 } 4302 } 4303 4304 /* Loongson EXT LDC2/SDC2 */ 4305 static void gen_loongson_lsdc2(DisasContext *ctx, int rt, 4306 int rs, int rd) 4307 { 4308 int offset = sextract32(ctx->opcode, 3, 8); 4309 uint32_t opc = MASK_LOONGSON_LSDC2(ctx->opcode); 4310 TCGv t0, t1; 4311 TCGv_i32 fp0; 4312 4313 /* Pre-conditions */ 4314 switch (opc) { 4315 case OPC_GSLBX: 4316 case OPC_GSLHX: 4317 case OPC_GSLWX: 4318 case OPC_GSLDX: 4319 /* prefetch, implement as NOP */ 4320 if (rt == 0) { 4321 return; 4322 } 4323 break; 4324 case OPC_GSSBX: 4325 case OPC_GSSHX: 4326 case OPC_GSSWX: 4327 case OPC_GSSDX: 4328 break; 4329 case OPC_GSLWXC1: 4330 #if defined(TARGET_MIPS64) 4331 case OPC_GSLDXC1: 4332 #endif 4333 check_cp1_enabled(ctx); 4334 /* prefetch, implement as NOP */ 4335 if (rt == 0) { 4336 return; 4337 } 4338 break; 4339 case OPC_GSSWXC1: 4340 #if defined(TARGET_MIPS64) 4341 case OPC_GSSDXC1: 4342 #endif 4343 check_cp1_enabled(ctx); 4344 break; 4345 default: 4346 MIPS_INVAL("loongson_lsdc2"); 4347 gen_reserved_instruction(ctx); 4348 return; 4349 break; 4350 } 4351 4352 t0 = tcg_temp_new(); 4353 4354 gen_base_offset_addr(ctx, t0, rs, offset); 4355 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4356 4357 switch (opc) { 4358 case OPC_GSLBX: 4359 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_SB); 4360 gen_store_gpr(t0, rt); 4361 break; 4362 case OPC_GSLHX: 4363 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW | 4364 ctx->default_tcg_memop_mask); 4365 gen_store_gpr(t0, rt); 4366 break; 4367 case OPC_GSLWX: 4368 gen_base_offset_addr(ctx, t0, rs, offset); 4369 if (rd) { 4370 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4371 } 4372 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL | 4373 ctx->default_tcg_memop_mask); 4374 gen_store_gpr(t0, rt); 4375 break; 4376 #if defined(TARGET_MIPS64) 4377 case OPC_GSLDX: 4378 gen_base_offset_addr(ctx, t0, rs, offset); 4379 if (rd) { 4380 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4381 } 4382 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ | 4383 ctx->default_tcg_memop_mask); 4384 gen_store_gpr(t0, rt); 4385 break; 4386 #endif 4387 case OPC_GSLWXC1: 4388 gen_base_offset_addr(ctx, t0, rs, offset); 4389 if (rd) { 4390 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4391 } 4392 fp0 = tcg_temp_new_i32(); 4393 tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL | 4394 ctx->default_tcg_memop_mask); 4395 gen_store_fpr32(ctx, fp0, rt); 4396 break; 4397 #if defined(TARGET_MIPS64) 4398 case OPC_GSLDXC1: 4399 gen_base_offset_addr(ctx, t0, rs, offset); 4400 if (rd) { 4401 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4402 } 4403 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ | 4404 ctx->default_tcg_memop_mask); 4405 gen_store_fpr64(ctx, t0, rt); 4406 break; 4407 #endif 4408 case OPC_GSSBX: 4409 t1 = tcg_temp_new(); 4410 gen_load_gpr(t1, rt); 4411 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_SB); 4412 break; 4413 case OPC_GSSHX: 4414 t1 = tcg_temp_new(); 4415 gen_load_gpr(t1, rt); 4416 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUW | 4417 ctx->default_tcg_memop_mask); 4418 break; 4419 case OPC_GSSWX: 4420 t1 = tcg_temp_new(); 4421 gen_load_gpr(t1, rt); 4422 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL | 4423 ctx->default_tcg_memop_mask); 4424 break; 4425 #if defined(TARGET_MIPS64) 4426 case OPC_GSSDX: 4427 t1 = tcg_temp_new(); 4428 gen_load_gpr(t1, rt); 4429 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ | 4430 ctx->default_tcg_memop_mask); 4431 break; 4432 #endif 4433 case OPC_GSSWXC1: 4434 fp0 = tcg_temp_new_i32(); 4435 gen_load_fpr32(ctx, fp0, rt); 4436 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL | 4437 ctx->default_tcg_memop_mask); 4438 break; 4439 #if defined(TARGET_MIPS64) 4440 case OPC_GSSDXC1: 4441 t1 = tcg_temp_new(); 4442 gen_load_fpr64(ctx, t1, rt); 4443 tcg_gen_qemu_st_i64(t1, t0, ctx->mem_idx, MO_TEUQ | 4444 ctx->default_tcg_memop_mask); 4445 break; 4446 #endif 4447 default: 4448 break; 4449 } 4450 } 4451 4452 /* Traps */ 4453 static void gen_trap(DisasContext *ctx, uint32_t opc, 4454 int rs, int rt, int16_t imm, int code) 4455 { 4456 int cond; 4457 TCGv t0 = tcg_temp_new(); 4458 TCGv t1 = tcg_temp_new(); 4459 4460 cond = 0; 4461 /* Load needed operands */ 4462 switch (opc) { 4463 case OPC_TEQ: 4464 case OPC_TGE: 4465 case OPC_TGEU: 4466 case OPC_TLT: 4467 case OPC_TLTU: 4468 case OPC_TNE: 4469 /* Compare two registers */ 4470 if (rs != rt) { 4471 gen_load_gpr(t0, rs); 4472 gen_load_gpr(t1, rt); 4473 cond = 1; 4474 } 4475 break; 4476 case OPC_TEQI: 4477 case OPC_TGEI: 4478 case OPC_TGEIU: 4479 case OPC_TLTI: 4480 case OPC_TLTIU: 4481 case OPC_TNEI: 4482 /* Compare register to immediate */ 4483 if (rs != 0 || imm != 0) { 4484 gen_load_gpr(t0, rs); 4485 tcg_gen_movi_tl(t1, (int32_t)imm); 4486 cond = 1; 4487 } 4488 break; 4489 } 4490 if (cond == 0) { 4491 switch (opc) { 4492 case OPC_TEQ: /* rs == rs */ 4493 case OPC_TEQI: /* r0 == 0 */ 4494 case OPC_TGE: /* rs >= rs */ 4495 case OPC_TGEI: /* r0 >= 0 */ 4496 case OPC_TGEU: /* rs >= rs unsigned */ 4497 case OPC_TGEIU: /* r0 >= 0 unsigned */ 4498 /* Always trap */ 4499 #ifdef CONFIG_USER_ONLY 4500 /* Pass the break code along to cpu_loop. */ 4501 tcg_gen_st_i32(tcg_constant_i32(code), tcg_env, 4502 offsetof(CPUMIPSState, error_code)); 4503 #endif 4504 generate_exception_end(ctx, EXCP_TRAP); 4505 break; 4506 case OPC_TLT: /* rs < rs */ 4507 case OPC_TLTI: /* r0 < 0 */ 4508 case OPC_TLTU: /* rs < rs unsigned */ 4509 case OPC_TLTIU: /* r0 < 0 unsigned */ 4510 case OPC_TNE: /* rs != rs */ 4511 case OPC_TNEI: /* r0 != 0 */ 4512 /* Never trap: treat as NOP. */ 4513 break; 4514 } 4515 } else { 4516 TCGLabel *l1 = gen_new_label(); 4517 4518 switch (opc) { 4519 case OPC_TEQ: 4520 case OPC_TEQI: 4521 tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1); 4522 break; 4523 case OPC_TGE: 4524 case OPC_TGEI: 4525 tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1); 4526 break; 4527 case OPC_TGEU: 4528 case OPC_TGEIU: 4529 tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1); 4530 break; 4531 case OPC_TLT: 4532 case OPC_TLTI: 4533 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1); 4534 break; 4535 case OPC_TLTU: 4536 case OPC_TLTIU: 4537 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); 4538 break; 4539 case OPC_TNE: 4540 case OPC_TNEI: 4541 tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1); 4542 break; 4543 } 4544 #ifdef CONFIG_USER_ONLY 4545 /* Pass the break code along to cpu_loop. */ 4546 tcg_gen_st_i32(tcg_constant_i32(code), tcg_env, 4547 offsetof(CPUMIPSState, error_code)); 4548 #endif 4549 /* Like save_cpu_state, only don't update saved values. */ 4550 if (ctx->base.pc_next != ctx->saved_pc) { 4551 gen_save_pc(ctx->base.pc_next); 4552 } 4553 if (ctx->hflags != ctx->saved_hflags) { 4554 tcg_gen_movi_i32(hflags, ctx->hflags); 4555 } 4556 generate_exception(ctx, EXCP_TRAP); 4557 gen_set_label(l1); 4558 } 4559 } 4560 4561 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) 4562 { 4563 if (translator_use_goto_tb(&ctx->base, dest)) { 4564 tcg_gen_goto_tb(n); 4565 gen_save_pc(dest); 4566 tcg_gen_exit_tb(ctx->base.tb, n); 4567 } else { 4568 gen_save_pc(dest); 4569 tcg_gen_lookup_and_goto_ptr(); 4570 } 4571 } 4572 4573 /* Branches (before delay slot) */ 4574 static void gen_compute_branch(DisasContext *ctx, uint32_t opc, 4575 int insn_bytes, 4576 int rs, int rt, int32_t offset, 4577 int delayslot_size) 4578 { 4579 target_ulong btgt = -1; 4580 int blink = 0; 4581 int bcond_compute = 0; 4582 TCGv t0 = tcg_temp_new(); 4583 TCGv t1 = tcg_temp_new(); 4584 4585 if (ctx->hflags & MIPS_HFLAG_BMASK) { 4586 #ifdef MIPS_DEBUG_DISAS 4587 LOG_DISAS("Branch in delay / forbidden slot at PC 0x%016" 4588 VADDR_PRIx "\n", ctx->base.pc_next); 4589 #endif 4590 gen_reserved_instruction(ctx); 4591 goto out; 4592 } 4593 4594 /* Load needed operands */ 4595 switch (opc) { 4596 case OPC_BEQ: 4597 case OPC_BEQL: 4598 case OPC_BNE: 4599 case OPC_BNEL: 4600 /* Compare two registers */ 4601 if (rs != rt) { 4602 gen_load_gpr(t0, rs); 4603 gen_load_gpr(t1, rt); 4604 bcond_compute = 1; 4605 } 4606 btgt = ctx->base.pc_next + insn_bytes + offset; 4607 break; 4608 case OPC_BGEZ: 4609 case OPC_BGEZAL: 4610 case OPC_BGEZALL: 4611 case OPC_BGEZL: 4612 case OPC_BGTZ: 4613 case OPC_BGTZL: 4614 case OPC_BLEZ: 4615 case OPC_BLEZL: 4616 case OPC_BLTZ: 4617 case OPC_BLTZAL: 4618 case OPC_BLTZALL: 4619 case OPC_BLTZL: 4620 /* Compare to zero */ 4621 if (rs != 0) { 4622 gen_load_gpr(t0, rs); 4623 bcond_compute = 1; 4624 } 4625 btgt = ctx->base.pc_next + insn_bytes + offset; 4626 break; 4627 case OPC_BPOSGE32: 4628 #if defined(TARGET_MIPS64) 4629 case OPC_BPOSGE64: 4630 tcg_gen_andi_tl(t0, cpu_dspctrl, 0x7F); 4631 #else 4632 tcg_gen_andi_tl(t0, cpu_dspctrl, 0x3F); 4633 #endif 4634 bcond_compute = 1; 4635 btgt = ctx->base.pc_next + insn_bytes + offset; 4636 break; 4637 case OPC_J: 4638 case OPC_JAL: 4639 { 4640 /* Jump to immediate */ 4641 int jal_mask = ctx->hflags & MIPS_HFLAG_M16 ? 0xF8000000 4642 : 0xF0000000; 4643 btgt = ((ctx->base.pc_next + insn_bytes) & jal_mask) 4644 | (uint32_t)offset; 4645 break; 4646 } 4647 case OPC_JALX: 4648 /* Jump to immediate */ 4649 btgt = ((ctx->base.pc_next + insn_bytes) & (int32_t)0xF0000000) | 4650 (uint32_t)offset; 4651 break; 4652 case OPC_JR: 4653 case OPC_JALR: 4654 /* Jump to register */ 4655 if (offset != 0 && offset != 16) { 4656 /* 4657 * Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the 4658 * others are reserved. 4659 */ 4660 MIPS_INVAL("jump hint"); 4661 gen_reserved_instruction(ctx); 4662 goto out; 4663 } 4664 gen_load_gpr(btarget, rs); 4665 break; 4666 default: 4667 MIPS_INVAL("branch/jump"); 4668 gen_reserved_instruction(ctx); 4669 goto out; 4670 } 4671 if (bcond_compute == 0) { 4672 /* No condition to be computed */ 4673 switch (opc) { 4674 case OPC_BEQ: /* rx == rx */ 4675 case OPC_BEQL: /* rx == rx likely */ 4676 case OPC_BGEZ: /* 0 >= 0 */ 4677 case OPC_BGEZL: /* 0 >= 0 likely */ 4678 case OPC_BLEZ: /* 0 <= 0 */ 4679 case OPC_BLEZL: /* 0 <= 0 likely */ 4680 /* Always take */ 4681 ctx->hflags |= MIPS_HFLAG_B; 4682 break; 4683 case OPC_BGEZAL: /* 0 >= 0 */ 4684 case OPC_BGEZALL: /* 0 >= 0 likely */ 4685 /* Always take and link */ 4686 blink = 31; 4687 ctx->hflags |= MIPS_HFLAG_B; 4688 break; 4689 case OPC_BNE: /* rx != rx */ 4690 case OPC_BGTZ: /* 0 > 0 */ 4691 case OPC_BLTZ: /* 0 < 0 */ 4692 /* Treat as NOP. */ 4693 goto out; 4694 case OPC_BLTZAL: /* 0 < 0 */ 4695 /* 4696 * Handle as an unconditional branch to get correct delay 4697 * slot checking. 4698 */ 4699 blink = 31; 4700 btgt = ctx->base.pc_next + insn_bytes + delayslot_size; 4701 ctx->hflags |= MIPS_HFLAG_B; 4702 break; 4703 case OPC_BLTZALL: /* 0 < 0 likely */ 4704 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 8); 4705 /* Skip the instruction in the delay slot */ 4706 ctx->base.pc_next += 4; 4707 goto out; 4708 case OPC_BNEL: /* rx != rx likely */ 4709 case OPC_BGTZL: /* 0 > 0 likely */ 4710 case OPC_BLTZL: /* 0 < 0 likely */ 4711 /* Skip the instruction in the delay slot */ 4712 ctx->base.pc_next += 4; 4713 goto out; 4714 case OPC_J: 4715 ctx->hflags |= MIPS_HFLAG_B; 4716 break; 4717 case OPC_JALX: 4718 ctx->hflags |= MIPS_HFLAG_BX; 4719 /* Fallthrough */ 4720 case OPC_JAL: 4721 blink = 31; 4722 ctx->hflags |= MIPS_HFLAG_B; 4723 break; 4724 case OPC_JR: 4725 ctx->hflags |= MIPS_HFLAG_BR; 4726 break; 4727 case OPC_JALR: 4728 blink = rt; 4729 ctx->hflags |= MIPS_HFLAG_BR; 4730 break; 4731 default: 4732 MIPS_INVAL("branch/jump"); 4733 gen_reserved_instruction(ctx); 4734 goto out; 4735 } 4736 } else { 4737 switch (opc) { 4738 case OPC_BEQ: 4739 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1); 4740 goto not_likely; 4741 case OPC_BEQL: 4742 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1); 4743 goto likely; 4744 case OPC_BNE: 4745 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1); 4746 goto not_likely; 4747 case OPC_BNEL: 4748 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1); 4749 goto likely; 4750 case OPC_BGEZ: 4751 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); 4752 goto not_likely; 4753 case OPC_BGEZL: 4754 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); 4755 goto likely; 4756 case OPC_BGEZAL: 4757 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); 4758 blink = 31; 4759 goto not_likely; 4760 case OPC_BGEZALL: 4761 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); 4762 blink = 31; 4763 goto likely; 4764 case OPC_BGTZ: 4765 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0); 4766 goto not_likely; 4767 case OPC_BGTZL: 4768 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0); 4769 goto likely; 4770 case OPC_BLEZ: 4771 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0); 4772 goto not_likely; 4773 case OPC_BLEZL: 4774 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0); 4775 goto likely; 4776 case OPC_BLTZ: 4777 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); 4778 goto not_likely; 4779 case OPC_BLTZL: 4780 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); 4781 goto likely; 4782 case OPC_BPOSGE32: 4783 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 32); 4784 goto not_likely; 4785 #if defined(TARGET_MIPS64) 4786 case OPC_BPOSGE64: 4787 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 64); 4788 goto not_likely; 4789 #endif 4790 case OPC_BLTZAL: 4791 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); 4792 blink = 31; 4793 not_likely: 4794 ctx->hflags |= MIPS_HFLAG_BC; 4795 break; 4796 case OPC_BLTZALL: 4797 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); 4798 blink = 31; 4799 likely: 4800 ctx->hflags |= MIPS_HFLAG_BL; 4801 break; 4802 default: 4803 MIPS_INVAL("conditional branch/jump"); 4804 gen_reserved_instruction(ctx); 4805 goto out; 4806 } 4807 } 4808 4809 ctx->btarget = btgt; 4810 4811 switch (delayslot_size) { 4812 case 2: 4813 ctx->hflags |= MIPS_HFLAG_BDS16; 4814 break; 4815 case 4: 4816 ctx->hflags |= MIPS_HFLAG_BDS32; 4817 break; 4818 } 4819 4820 if (blink > 0) { 4821 int post_delay = insn_bytes + delayslot_size; 4822 int lowbit = !!(ctx->hflags & MIPS_HFLAG_M16); 4823 4824 tcg_gen_movi_tl(cpu_gpr[blink], 4825 ctx->base.pc_next + post_delay + lowbit); 4826 } 4827 4828 out: 4829 if (insn_bytes == 2) { 4830 ctx->hflags |= MIPS_HFLAG_B16; 4831 } 4832 } 4833 4834 4835 /* special3 bitfield operations */ 4836 static void gen_bitops(DisasContext *ctx, uint32_t opc, int rt, 4837 int rs, int lsb, int msb) 4838 { 4839 TCGv t0 = tcg_temp_new(); 4840 TCGv t1 = tcg_temp_new(); 4841 4842 gen_load_gpr(t1, rs); 4843 switch (opc) { 4844 case OPC_EXT: 4845 if (lsb + msb > 31) { 4846 goto fail; 4847 } 4848 if (msb != 31) { 4849 tcg_gen_extract_tl(t0, t1, lsb, msb + 1); 4850 } else { 4851 /* 4852 * The two checks together imply that lsb == 0, 4853 * so this is a simple sign-extension. 4854 */ 4855 tcg_gen_ext32s_tl(t0, t1); 4856 } 4857 break; 4858 #if defined(TARGET_MIPS64) 4859 case OPC_DEXTU: 4860 lsb += 32; 4861 goto do_dext; 4862 case OPC_DEXTM: 4863 msb += 32; 4864 goto do_dext; 4865 case OPC_DEXT: 4866 do_dext: 4867 if (lsb + msb > 63) { 4868 goto fail; 4869 } 4870 tcg_gen_extract_tl(t0, t1, lsb, msb + 1); 4871 break; 4872 #endif 4873 case OPC_INS: 4874 if (lsb > msb) { 4875 goto fail; 4876 } 4877 gen_load_gpr(t0, rt); 4878 tcg_gen_deposit_tl(t0, t0, t1, lsb, msb - lsb + 1); 4879 tcg_gen_ext32s_tl(t0, t0); 4880 break; 4881 #if defined(TARGET_MIPS64) 4882 case OPC_DINSU: 4883 lsb += 32; 4884 /* FALLTHRU */ 4885 case OPC_DINSM: 4886 msb += 32; 4887 /* FALLTHRU */ 4888 case OPC_DINS: 4889 if (lsb > msb) { 4890 goto fail; 4891 } 4892 gen_load_gpr(t0, rt); 4893 tcg_gen_deposit_tl(t0, t0, t1, lsb, msb - lsb + 1); 4894 break; 4895 #endif 4896 default: 4897 fail: 4898 MIPS_INVAL("bitops"); 4899 gen_reserved_instruction(ctx); 4900 return; 4901 } 4902 gen_store_gpr(t0, rt); 4903 } 4904 4905 static void gen_bshfl(DisasContext *ctx, uint32_t op2, int rt, int rd) 4906 { 4907 TCGv t0; 4908 4909 if (rd == 0) { 4910 /* If no destination, treat it as a NOP. */ 4911 return; 4912 } 4913 4914 t0 = tcg_temp_new(); 4915 gen_load_gpr(t0, rt); 4916 switch (op2) { 4917 case OPC_WSBH: 4918 { 4919 TCGv t1 = tcg_temp_new(); 4920 TCGv t2 = tcg_constant_tl(0x00FF00FF); 4921 4922 tcg_gen_shri_tl(t1, t0, 8); 4923 tcg_gen_and_tl(t1, t1, t2); 4924 tcg_gen_and_tl(t0, t0, t2); 4925 tcg_gen_shli_tl(t0, t0, 8); 4926 tcg_gen_or_tl(t0, t0, t1); 4927 tcg_gen_ext32s_tl(cpu_gpr[rd], t0); 4928 } 4929 break; 4930 case OPC_SEB: 4931 tcg_gen_ext8s_tl(cpu_gpr[rd], t0); 4932 break; 4933 case OPC_SEH: 4934 tcg_gen_ext16s_tl(cpu_gpr[rd], t0); 4935 break; 4936 #if defined(TARGET_MIPS64) 4937 case OPC_DSBH: 4938 { 4939 TCGv t1 = tcg_temp_new(); 4940 TCGv t2 = tcg_constant_tl(0x00FF00FF00FF00FFULL); 4941 4942 tcg_gen_shri_tl(t1, t0, 8); 4943 tcg_gen_and_tl(t1, t1, t2); 4944 tcg_gen_and_tl(t0, t0, t2); 4945 tcg_gen_shli_tl(t0, t0, 8); 4946 tcg_gen_or_tl(cpu_gpr[rd], t0, t1); 4947 } 4948 break; 4949 case OPC_DSHD: 4950 { 4951 TCGv t1 = tcg_temp_new(); 4952 TCGv t2 = tcg_constant_tl(0x0000FFFF0000FFFFULL); 4953 4954 tcg_gen_shri_tl(t1, t0, 16); 4955 tcg_gen_and_tl(t1, t1, t2); 4956 tcg_gen_and_tl(t0, t0, t2); 4957 tcg_gen_shli_tl(t0, t0, 16); 4958 tcg_gen_or_tl(t0, t0, t1); 4959 tcg_gen_shri_tl(t1, t0, 32); 4960 tcg_gen_shli_tl(t0, t0, 32); 4961 tcg_gen_or_tl(cpu_gpr[rd], t0, t1); 4962 } 4963 break; 4964 #endif 4965 default: 4966 MIPS_INVAL("bsfhl"); 4967 gen_reserved_instruction(ctx); 4968 return; 4969 } 4970 } 4971 4972 static void gen_align_bits(DisasContext *ctx, int wordsz, int rd, int rs, 4973 int rt, int bits) 4974 { 4975 TCGv t0; 4976 if (rd == 0) { 4977 /* Treat as NOP. */ 4978 return; 4979 } 4980 t0 = tcg_temp_new(); 4981 if (bits == 0 || bits == wordsz) { 4982 if (bits == 0) { 4983 gen_load_gpr(t0, rt); 4984 } else { 4985 gen_load_gpr(t0, rs); 4986 } 4987 switch (wordsz) { 4988 case 32: 4989 tcg_gen_ext32s_tl(cpu_gpr[rd], t0); 4990 break; 4991 #if defined(TARGET_MIPS64) 4992 case 64: 4993 tcg_gen_mov_tl(cpu_gpr[rd], t0); 4994 break; 4995 #endif 4996 } 4997 } else { 4998 TCGv t1 = tcg_temp_new(); 4999 gen_load_gpr(t0, rt); 5000 gen_load_gpr(t1, rs); 5001 switch (wordsz) { 5002 case 32: 5003 { 5004 TCGv_i64 t2 = tcg_temp_new_i64(); 5005 tcg_gen_concat_tl_i64(t2, t1, t0); 5006 tcg_gen_shri_i64(t2, t2, 32 - bits); 5007 gen_move_low32(cpu_gpr[rd], t2); 5008 } 5009 break; 5010 #if defined(TARGET_MIPS64) 5011 case 64: 5012 tcg_gen_shli_tl(t0, t0, bits); 5013 tcg_gen_shri_tl(t1, t1, 64 - bits); 5014 tcg_gen_or_tl(cpu_gpr[rd], t1, t0); 5015 break; 5016 #endif 5017 } 5018 } 5019 } 5020 5021 void gen_align(DisasContext *ctx, int wordsz, int rd, int rs, int rt, int bp) 5022 { 5023 gen_align_bits(ctx, wordsz, rd, rs, rt, bp * 8); 5024 } 5025 5026 static void gen_bitswap(DisasContext *ctx, int opc, int rd, int rt) 5027 { 5028 TCGv t0; 5029 if (rd == 0) { 5030 /* Treat as NOP. */ 5031 return; 5032 } 5033 t0 = tcg_temp_new(); 5034 gen_load_gpr(t0, rt); 5035 switch (opc) { 5036 case OPC_BITSWAP: 5037 gen_helper_bitswap(cpu_gpr[rd], t0); 5038 break; 5039 #if defined(TARGET_MIPS64) 5040 case OPC_DBITSWAP: 5041 gen_helper_dbitswap(cpu_gpr[rd], t0); 5042 break; 5043 #endif 5044 } 5045 } 5046 5047 #ifndef CONFIG_USER_ONLY 5048 /* CP0 (MMU and control) */ 5049 static inline void gen_mthc0_entrylo(TCGv arg, target_ulong off) 5050 { 5051 TCGv_i64 t0 = tcg_temp_new_i64(); 5052 TCGv_i64 t1 = tcg_temp_new_i64(); 5053 5054 tcg_gen_ext_tl_i64(t0, arg); 5055 tcg_gen_ld_i64(t1, tcg_env, off); 5056 #if defined(TARGET_MIPS64) 5057 tcg_gen_deposit_i64(t1, t1, t0, 30, 32); 5058 #else 5059 tcg_gen_concat32_i64(t1, t1, t0); 5060 #endif 5061 tcg_gen_st_i64(t1, tcg_env, off); 5062 } 5063 5064 static inline void gen_mthc0_store64(TCGv arg, target_ulong off) 5065 { 5066 TCGv_i64 t0 = tcg_temp_new_i64(); 5067 TCGv_i64 t1 = tcg_temp_new_i64(); 5068 5069 tcg_gen_ext_tl_i64(t0, arg); 5070 tcg_gen_ld_i64(t1, tcg_env, off); 5071 tcg_gen_concat32_i64(t1, t1, t0); 5072 tcg_gen_st_i64(t1, tcg_env, off); 5073 } 5074 5075 static inline void gen_mfhc0_entrylo(TCGv arg, target_ulong off) 5076 { 5077 TCGv_i64 t0 = tcg_temp_new_i64(); 5078 5079 tcg_gen_ld_i64(t0, tcg_env, off); 5080 #if defined(TARGET_MIPS64) 5081 tcg_gen_shri_i64(t0, t0, 30); 5082 #else 5083 tcg_gen_shri_i64(t0, t0, 32); 5084 #endif 5085 gen_move_low32(arg, t0); 5086 } 5087 5088 static inline void gen_mfhc0_load64(TCGv arg, target_ulong off, int shift) 5089 { 5090 TCGv_i64 t0 = tcg_temp_new_i64(); 5091 5092 tcg_gen_ld_i64(t0, tcg_env, off); 5093 tcg_gen_shri_i64(t0, t0, 32 + shift); 5094 gen_move_low32(arg, t0); 5095 } 5096 5097 static inline void gen_mfc0_load32(TCGv arg, target_ulong off) 5098 { 5099 TCGv_i32 t0 = tcg_temp_new_i32(); 5100 5101 tcg_gen_ld_i32(t0, tcg_env, off); 5102 tcg_gen_ext_i32_tl(arg, t0); 5103 } 5104 5105 static inline void gen_mfc0_load64(TCGv arg, target_ulong off) 5106 { 5107 tcg_gen_ld_tl(arg, tcg_env, off); 5108 tcg_gen_ext32s_tl(arg, arg); 5109 } 5110 5111 static inline void gen_mtc0_store32(TCGv arg, target_ulong off) 5112 { 5113 TCGv_i32 t0 = tcg_temp_new_i32(); 5114 5115 tcg_gen_trunc_tl_i32(t0, arg); 5116 tcg_gen_st_i32(t0, tcg_env, off); 5117 } 5118 5119 #define CP0_CHECK(c) \ 5120 do { \ 5121 if (!(c)) { \ 5122 goto cp0_unimplemented; \ 5123 } \ 5124 } while (0) 5125 5126 static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel) 5127 { 5128 const char *register_name = "invalid"; 5129 5130 switch (reg) { 5131 case CP0_REGISTER_02: 5132 switch (sel) { 5133 case 0: 5134 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA); 5135 gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0)); 5136 register_name = "EntryLo0"; 5137 break; 5138 default: 5139 goto cp0_unimplemented; 5140 } 5141 break; 5142 case CP0_REGISTER_03: 5143 switch (sel) { 5144 case CP0_REG03__ENTRYLO1: 5145 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA); 5146 gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1)); 5147 register_name = "EntryLo1"; 5148 break; 5149 default: 5150 goto cp0_unimplemented; 5151 } 5152 break; 5153 case CP0_REGISTER_17: 5154 switch (sel) { 5155 case CP0_REG17__LLADDR: 5156 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_LLAddr), 5157 ctx->CP0_LLAddr_shift); 5158 register_name = "LLAddr"; 5159 break; 5160 case CP0_REG17__MAAR: 5161 CP0_CHECK(ctx->mrp); 5162 gen_helper_mfhc0_maar(arg, tcg_env); 5163 register_name = "MAAR"; 5164 break; 5165 default: 5166 goto cp0_unimplemented; 5167 } 5168 break; 5169 case CP0_REGISTER_19: 5170 switch (sel) { 5171 case CP0_REG19__WATCHHI0: 5172 case CP0_REG19__WATCHHI1: 5173 case CP0_REG19__WATCHHI2: 5174 case CP0_REG19__WATCHHI3: 5175 case CP0_REG19__WATCHHI4: 5176 case CP0_REG19__WATCHHI5: 5177 case CP0_REG19__WATCHHI6: 5178 case CP0_REG19__WATCHHI7: 5179 /* upper 32 bits are only available when Config5MI != 0 */ 5180 CP0_CHECK(ctx->mi); 5181 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_WatchHi[sel]), 0); 5182 register_name = "WatchHi"; 5183 break; 5184 default: 5185 goto cp0_unimplemented; 5186 } 5187 break; 5188 case CP0_REGISTER_28: 5189 switch (sel) { 5190 case 0: 5191 case 2: 5192 case 4: 5193 case 6: 5194 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_TagLo), 0); 5195 register_name = "TagLo"; 5196 break; 5197 default: 5198 goto cp0_unimplemented; 5199 } 5200 break; 5201 default: 5202 goto cp0_unimplemented; 5203 } 5204 trace_mips_translate_c0("mfhc0", register_name, reg, sel); 5205 return; 5206 5207 cp0_unimplemented: 5208 qemu_log_mask(LOG_UNIMP, "mfhc0 %s (reg %d sel %d)\n", 5209 register_name, reg, sel); 5210 tcg_gen_movi_tl(arg, 0); 5211 } 5212 5213 static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel) 5214 { 5215 const char *register_name = "invalid"; 5216 uint64_t mask = ctx->PAMask >> 36; 5217 5218 switch (reg) { 5219 case CP0_REGISTER_02: 5220 switch (sel) { 5221 case 0: 5222 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA); 5223 tcg_gen_andi_tl(arg, arg, mask); 5224 gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0)); 5225 register_name = "EntryLo0"; 5226 break; 5227 default: 5228 goto cp0_unimplemented; 5229 } 5230 break; 5231 case CP0_REGISTER_03: 5232 switch (sel) { 5233 case CP0_REG03__ENTRYLO1: 5234 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA); 5235 tcg_gen_andi_tl(arg, arg, mask); 5236 gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1)); 5237 register_name = "EntryLo1"; 5238 break; 5239 default: 5240 goto cp0_unimplemented; 5241 } 5242 break; 5243 case CP0_REGISTER_17: 5244 switch (sel) { 5245 case CP0_REG17__LLADDR: 5246 /* 5247 * LLAddr is read-only (the only exception is bit 0 if LLB is 5248 * supported); the CP0_LLAddr_rw_bitmask does not seem to be 5249 * relevant for modern MIPS cores supporting MTHC0, therefore 5250 * treating MTHC0 to LLAddr as NOP. 5251 */ 5252 register_name = "LLAddr"; 5253 break; 5254 case CP0_REG17__MAAR: 5255 CP0_CHECK(ctx->mrp); 5256 gen_helper_mthc0_maar(tcg_env, arg); 5257 register_name = "MAAR"; 5258 break; 5259 default: 5260 goto cp0_unimplemented; 5261 } 5262 break; 5263 case CP0_REGISTER_19: 5264 switch (sel) { 5265 case CP0_REG19__WATCHHI0: 5266 case CP0_REG19__WATCHHI1: 5267 case CP0_REG19__WATCHHI2: 5268 case CP0_REG19__WATCHHI3: 5269 case CP0_REG19__WATCHHI4: 5270 case CP0_REG19__WATCHHI5: 5271 case CP0_REG19__WATCHHI6: 5272 case CP0_REG19__WATCHHI7: 5273 /* upper 32 bits are only available when Config5MI != 0 */ 5274 CP0_CHECK(ctx->mi); 5275 gen_helper_0e1i(mthc0_watchhi, arg, sel); 5276 register_name = "WatchHi"; 5277 break; 5278 default: 5279 goto cp0_unimplemented; 5280 } 5281 break; 5282 case CP0_REGISTER_28: 5283 switch (sel) { 5284 case 0: 5285 case 2: 5286 case 4: 5287 case 6: 5288 tcg_gen_andi_tl(arg, arg, mask); 5289 gen_mthc0_store64(arg, offsetof(CPUMIPSState, CP0_TagLo)); 5290 register_name = "TagLo"; 5291 break; 5292 default: 5293 goto cp0_unimplemented; 5294 } 5295 break; 5296 default: 5297 goto cp0_unimplemented; 5298 } 5299 trace_mips_translate_c0("mthc0", register_name, reg, sel); 5300 return; 5301 5302 cp0_unimplemented: 5303 qemu_log_mask(LOG_UNIMP, "mthc0 %s (reg %d sel %d)\n", 5304 register_name, reg, sel); 5305 } 5306 5307 static inline void gen_mfc0_unimplemented(DisasContext *ctx, TCGv arg) 5308 { 5309 if (ctx->insn_flags & ISA_MIPS_R6) { 5310 tcg_gen_movi_tl(arg, 0); 5311 } else { 5312 tcg_gen_movi_tl(arg, ~0); 5313 } 5314 } 5315 5316 static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel) 5317 { 5318 const char *register_name = "invalid"; 5319 5320 if (sel != 0) { 5321 check_insn(ctx, ISA_MIPS_R1); 5322 } 5323 5324 switch (reg) { 5325 case CP0_REGISTER_00: 5326 switch (sel) { 5327 case CP0_REG00__INDEX: 5328 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Index)); 5329 register_name = "Index"; 5330 break; 5331 case CP0_REG00__MVPCONTROL: 5332 CP0_CHECK(ctx->insn_flags & ASE_MT); 5333 gen_helper_mfc0_mvpcontrol(arg, tcg_env); 5334 register_name = "MVPControl"; 5335 break; 5336 case CP0_REG00__MVPCONF0: 5337 CP0_CHECK(ctx->insn_flags & ASE_MT); 5338 gen_helper_mfc0_mvpconf0(arg, tcg_env); 5339 register_name = "MVPConf0"; 5340 break; 5341 case CP0_REG00__MVPCONF1: 5342 CP0_CHECK(ctx->insn_flags & ASE_MT); 5343 gen_helper_mfc0_mvpconf1(arg, tcg_env); 5344 register_name = "MVPConf1"; 5345 break; 5346 case CP0_REG00__VPCONTROL: 5347 CP0_CHECK(ctx->vp); 5348 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPControl)); 5349 register_name = "VPControl"; 5350 break; 5351 default: 5352 goto cp0_unimplemented; 5353 } 5354 break; 5355 case CP0_REGISTER_01: 5356 switch (sel) { 5357 case CP0_REG01__RANDOM: 5358 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 5359 gen_helper_mfc0_random(arg, tcg_env); 5360 register_name = "Random"; 5361 break; 5362 case CP0_REG01__VPECONTROL: 5363 CP0_CHECK(ctx->insn_flags & ASE_MT); 5364 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl)); 5365 register_name = "VPEControl"; 5366 break; 5367 case CP0_REG01__VPECONF0: 5368 CP0_CHECK(ctx->insn_flags & ASE_MT); 5369 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0)); 5370 register_name = "VPEConf0"; 5371 break; 5372 case CP0_REG01__VPECONF1: 5373 CP0_CHECK(ctx->insn_flags & ASE_MT); 5374 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1)); 5375 register_name = "VPEConf1"; 5376 break; 5377 case CP0_REG01__YQMASK: 5378 CP0_CHECK(ctx->insn_flags & ASE_MT); 5379 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_YQMask)); 5380 register_name = "YQMask"; 5381 break; 5382 case CP0_REG01__VPESCHEDULE: 5383 CP0_CHECK(ctx->insn_flags & ASE_MT); 5384 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPESchedule)); 5385 register_name = "VPESchedule"; 5386 break; 5387 case CP0_REG01__VPESCHEFBACK: 5388 CP0_CHECK(ctx->insn_flags & ASE_MT); 5389 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPEScheFBack)); 5390 register_name = "VPEScheFBack"; 5391 break; 5392 case CP0_REG01__VPEOPT: 5393 CP0_CHECK(ctx->insn_flags & ASE_MT); 5394 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt)); 5395 register_name = "VPEOpt"; 5396 break; 5397 default: 5398 goto cp0_unimplemented; 5399 } 5400 break; 5401 case CP0_REGISTER_02: 5402 switch (sel) { 5403 case CP0_REG02__ENTRYLO0: 5404 { 5405 TCGv_i64 tmp = tcg_temp_new_i64(); 5406 tcg_gen_ld_i64(tmp, tcg_env, 5407 offsetof(CPUMIPSState, CP0_EntryLo0)); 5408 #if defined(TARGET_MIPS64) 5409 if (ctx->rxi) { 5410 /* Move RI/XI fields to bits 31:30 */ 5411 tcg_gen_shri_tl(arg, tmp, CP0EnLo_XI); 5412 tcg_gen_deposit_tl(tmp, tmp, arg, 30, 2); 5413 } 5414 #endif 5415 gen_move_low32(arg, tmp); 5416 } 5417 register_name = "EntryLo0"; 5418 break; 5419 case CP0_REG02__TCSTATUS: 5420 CP0_CHECK(ctx->insn_flags & ASE_MT); 5421 gen_helper_mfc0_tcstatus(arg, tcg_env); 5422 register_name = "TCStatus"; 5423 break; 5424 case CP0_REG02__TCBIND: 5425 CP0_CHECK(ctx->insn_flags & ASE_MT); 5426 gen_helper_mfc0_tcbind(arg, tcg_env); 5427 register_name = "TCBind"; 5428 break; 5429 case CP0_REG02__TCRESTART: 5430 CP0_CHECK(ctx->insn_flags & ASE_MT); 5431 gen_helper_mfc0_tcrestart(arg, tcg_env); 5432 register_name = "TCRestart"; 5433 break; 5434 case CP0_REG02__TCHALT: 5435 CP0_CHECK(ctx->insn_flags & ASE_MT); 5436 gen_helper_mfc0_tchalt(arg, tcg_env); 5437 register_name = "TCHalt"; 5438 break; 5439 case CP0_REG02__TCCONTEXT: 5440 CP0_CHECK(ctx->insn_flags & ASE_MT); 5441 gen_helper_mfc0_tccontext(arg, tcg_env); 5442 register_name = "TCContext"; 5443 break; 5444 case CP0_REG02__TCSCHEDULE: 5445 CP0_CHECK(ctx->insn_flags & ASE_MT); 5446 gen_helper_mfc0_tcschedule(arg, tcg_env); 5447 register_name = "TCSchedule"; 5448 break; 5449 case CP0_REG02__TCSCHEFBACK: 5450 CP0_CHECK(ctx->insn_flags & ASE_MT); 5451 gen_helper_mfc0_tcschefback(arg, tcg_env); 5452 register_name = "TCScheFBack"; 5453 break; 5454 default: 5455 goto cp0_unimplemented; 5456 } 5457 break; 5458 case CP0_REGISTER_03: 5459 switch (sel) { 5460 case CP0_REG03__ENTRYLO1: 5461 { 5462 TCGv_i64 tmp = tcg_temp_new_i64(); 5463 tcg_gen_ld_i64(tmp, tcg_env, 5464 offsetof(CPUMIPSState, CP0_EntryLo1)); 5465 #if defined(TARGET_MIPS64) 5466 if (ctx->rxi) { 5467 /* Move RI/XI fields to bits 31:30 */ 5468 tcg_gen_shri_tl(arg, tmp, CP0EnLo_XI); 5469 tcg_gen_deposit_tl(tmp, tmp, arg, 30, 2); 5470 } 5471 #endif 5472 gen_move_low32(arg, tmp); 5473 } 5474 register_name = "EntryLo1"; 5475 break; 5476 case CP0_REG03__GLOBALNUM: 5477 CP0_CHECK(ctx->vp); 5478 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber)); 5479 register_name = "GlobalNumber"; 5480 break; 5481 default: 5482 goto cp0_unimplemented; 5483 } 5484 break; 5485 case CP0_REGISTER_04: 5486 switch (sel) { 5487 case CP0_REG04__CONTEXT: 5488 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_Context)); 5489 tcg_gen_ext32s_tl(arg, arg); 5490 register_name = "Context"; 5491 break; 5492 case CP0_REG04__CONTEXTCONFIG: 5493 /* SmartMIPS ASE */ 5494 /* gen_helper_mfc0_contextconfig(arg); */ 5495 register_name = "ContextConfig"; 5496 goto cp0_unimplemented; 5497 case CP0_REG04__USERLOCAL: 5498 CP0_CHECK(ctx->ulri); 5499 tcg_gen_ld_tl(arg, tcg_env, 5500 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 5501 tcg_gen_ext32s_tl(arg, arg); 5502 register_name = "UserLocal"; 5503 break; 5504 case CP0_REG04__MMID: 5505 CP0_CHECK(ctx->mi); 5506 gen_helper_mtc0_memorymapid(tcg_env, arg); 5507 register_name = "MMID"; 5508 break; 5509 default: 5510 goto cp0_unimplemented; 5511 } 5512 break; 5513 case CP0_REGISTER_05: 5514 switch (sel) { 5515 case CP0_REG05__PAGEMASK: 5516 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageMask)); 5517 register_name = "PageMask"; 5518 break; 5519 case CP0_REG05__PAGEGRAIN: 5520 check_insn(ctx, ISA_MIPS_R2); 5521 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageGrain)); 5522 register_name = "PageGrain"; 5523 break; 5524 case CP0_REG05__SEGCTL0: 5525 CP0_CHECK(ctx->sc); 5526 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl0)); 5527 tcg_gen_ext32s_tl(arg, arg); 5528 register_name = "SegCtl0"; 5529 break; 5530 case CP0_REG05__SEGCTL1: 5531 CP0_CHECK(ctx->sc); 5532 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl1)); 5533 tcg_gen_ext32s_tl(arg, arg); 5534 register_name = "SegCtl1"; 5535 break; 5536 case CP0_REG05__SEGCTL2: 5537 CP0_CHECK(ctx->sc); 5538 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl2)); 5539 tcg_gen_ext32s_tl(arg, arg); 5540 register_name = "SegCtl2"; 5541 break; 5542 case CP0_REG05__PWBASE: 5543 check_pw(ctx); 5544 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWBase)); 5545 register_name = "PWBase"; 5546 break; 5547 case CP0_REG05__PWFIELD: 5548 check_pw(ctx); 5549 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWField)); 5550 register_name = "PWField"; 5551 break; 5552 case CP0_REG05__PWSIZE: 5553 check_pw(ctx); 5554 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWSize)); 5555 register_name = "PWSize"; 5556 break; 5557 default: 5558 goto cp0_unimplemented; 5559 } 5560 break; 5561 case CP0_REGISTER_06: 5562 switch (sel) { 5563 case CP0_REG06__WIRED: 5564 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Wired)); 5565 register_name = "Wired"; 5566 break; 5567 case CP0_REG06__SRSCONF0: 5568 check_insn(ctx, ISA_MIPS_R2); 5569 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf0)); 5570 register_name = "SRSConf0"; 5571 break; 5572 case CP0_REG06__SRSCONF1: 5573 check_insn(ctx, ISA_MIPS_R2); 5574 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf1)); 5575 register_name = "SRSConf1"; 5576 break; 5577 case CP0_REG06__SRSCONF2: 5578 check_insn(ctx, ISA_MIPS_R2); 5579 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf2)); 5580 register_name = "SRSConf2"; 5581 break; 5582 case CP0_REG06__SRSCONF3: 5583 check_insn(ctx, ISA_MIPS_R2); 5584 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf3)); 5585 register_name = "SRSConf3"; 5586 break; 5587 case CP0_REG06__SRSCONF4: 5588 check_insn(ctx, ISA_MIPS_R2); 5589 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4)); 5590 register_name = "SRSConf4"; 5591 break; 5592 case CP0_REG06__PWCTL: 5593 check_pw(ctx); 5594 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl)); 5595 register_name = "PWCtl"; 5596 break; 5597 default: 5598 goto cp0_unimplemented; 5599 } 5600 break; 5601 case CP0_REGISTER_07: 5602 switch (sel) { 5603 case CP0_REG07__HWRENA: 5604 check_insn(ctx, ISA_MIPS_R2); 5605 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_HWREna)); 5606 register_name = "HWREna"; 5607 break; 5608 default: 5609 goto cp0_unimplemented; 5610 } 5611 break; 5612 case CP0_REGISTER_08: 5613 switch (sel) { 5614 case CP0_REG08__BADVADDR: 5615 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_BadVAddr)); 5616 tcg_gen_ext32s_tl(arg, arg); 5617 register_name = "BadVAddr"; 5618 break; 5619 case CP0_REG08__BADINSTR: 5620 CP0_CHECK(ctx->bi); 5621 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstr)); 5622 register_name = "BadInstr"; 5623 break; 5624 case CP0_REG08__BADINSTRP: 5625 CP0_CHECK(ctx->bp); 5626 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP)); 5627 register_name = "BadInstrP"; 5628 break; 5629 case CP0_REG08__BADINSTRX: 5630 CP0_CHECK(ctx->bi); 5631 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrX)); 5632 tcg_gen_andi_tl(arg, arg, ~0xffff); 5633 register_name = "BadInstrX"; 5634 break; 5635 default: 5636 goto cp0_unimplemented; 5637 } 5638 break; 5639 case CP0_REGISTER_09: 5640 switch (sel) { 5641 case CP0_REG09__COUNT: 5642 /* Mark as an IO operation because we read the time. */ 5643 translator_io_start(&ctx->base); 5644 5645 gen_helper_mfc0_count(arg, tcg_env); 5646 /* 5647 * Break the TB to be able to take timer interrupts immediately 5648 * after reading count. DISAS_STOP isn't sufficient, we need to 5649 * ensure we break completely out of translated code. 5650 */ 5651 gen_save_pc(ctx->base.pc_next + 4); 5652 ctx->base.is_jmp = DISAS_EXIT; 5653 register_name = "Count"; 5654 break; 5655 default: 5656 goto cp0_unimplemented; 5657 } 5658 break; 5659 case CP0_REGISTER_10: 5660 switch (sel) { 5661 case CP0_REG10__ENTRYHI: 5662 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EntryHi)); 5663 tcg_gen_ext32s_tl(arg, arg); 5664 register_name = "EntryHi"; 5665 break; 5666 default: 5667 goto cp0_unimplemented; 5668 } 5669 break; 5670 case CP0_REGISTER_11: 5671 switch (sel) { 5672 case CP0_REG11__COMPARE: 5673 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Compare)); 5674 register_name = "Compare"; 5675 break; 5676 /* 6,7 are implementation dependent */ 5677 default: 5678 goto cp0_unimplemented; 5679 } 5680 break; 5681 case CP0_REGISTER_12: 5682 switch (sel) { 5683 case CP0_REG12__STATUS: 5684 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status)); 5685 register_name = "Status"; 5686 break; 5687 case CP0_REG12__INTCTL: 5688 check_insn(ctx, ISA_MIPS_R2); 5689 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl)); 5690 register_name = "IntCtl"; 5691 break; 5692 case CP0_REG12__SRSCTL: 5693 check_insn(ctx, ISA_MIPS_R2); 5694 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl)); 5695 register_name = "SRSCtl"; 5696 break; 5697 case CP0_REG12__SRSMAP: 5698 check_insn(ctx, ISA_MIPS_R2); 5699 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap)); 5700 register_name = "SRSMap"; 5701 break; 5702 default: 5703 goto cp0_unimplemented; 5704 } 5705 break; 5706 case CP0_REGISTER_13: 5707 switch (sel) { 5708 case CP0_REG13__CAUSE: 5709 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause)); 5710 register_name = "Cause"; 5711 break; 5712 default: 5713 goto cp0_unimplemented; 5714 } 5715 break; 5716 case CP0_REGISTER_14: 5717 switch (sel) { 5718 case CP0_REG14__EPC: 5719 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC)); 5720 tcg_gen_ext32s_tl(arg, arg); 5721 register_name = "EPC"; 5722 break; 5723 default: 5724 goto cp0_unimplemented; 5725 } 5726 break; 5727 case CP0_REGISTER_15: 5728 switch (sel) { 5729 case CP0_REG15__PRID: 5730 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PRid)); 5731 register_name = "PRid"; 5732 break; 5733 case CP0_REG15__EBASE: 5734 check_insn(ctx, ISA_MIPS_R2); 5735 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EBase)); 5736 tcg_gen_ext32s_tl(arg, arg); 5737 register_name = "EBase"; 5738 break; 5739 case CP0_REG15__CMGCRBASE: 5740 check_insn(ctx, ISA_MIPS_R2); 5741 CP0_CHECK(ctx->cmgcr); 5742 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_CMGCRBase)); 5743 tcg_gen_ext32s_tl(arg, arg); 5744 register_name = "CMGCRBase"; 5745 break; 5746 default: 5747 goto cp0_unimplemented; 5748 } 5749 break; 5750 case CP0_REGISTER_16: 5751 switch (sel) { 5752 case CP0_REG16__CONFIG: 5753 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config0)); 5754 register_name = "Config"; 5755 break; 5756 case CP0_REG16__CONFIG1: 5757 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config1)); 5758 register_name = "Config1"; 5759 break; 5760 case CP0_REG16__CONFIG2: 5761 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config2)); 5762 register_name = "Config2"; 5763 break; 5764 case CP0_REG16__CONFIG3: 5765 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config3)); 5766 register_name = "Config3"; 5767 break; 5768 case CP0_REG16__CONFIG4: 5769 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4)); 5770 register_name = "Config4"; 5771 break; 5772 case CP0_REG16__CONFIG5: 5773 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5)); 5774 register_name = "Config5"; 5775 break; 5776 /* 6,7 are implementation dependent */ 5777 case CP0_REG16__CONFIG6: 5778 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6)); 5779 register_name = "Config6"; 5780 break; 5781 case CP0_REG16__CONFIG7: 5782 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config7)); 5783 register_name = "Config7"; 5784 break; 5785 default: 5786 goto cp0_unimplemented; 5787 } 5788 break; 5789 case CP0_REGISTER_17: 5790 switch (sel) { 5791 case CP0_REG17__LLADDR: 5792 gen_helper_mfc0_lladdr(arg, tcg_env); 5793 register_name = "LLAddr"; 5794 break; 5795 case CP0_REG17__MAAR: 5796 CP0_CHECK(ctx->mrp); 5797 gen_helper_mfc0_maar(arg, tcg_env); 5798 register_name = "MAAR"; 5799 break; 5800 case CP0_REG17__MAARI: 5801 CP0_CHECK(ctx->mrp); 5802 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MAARI)); 5803 register_name = "MAARI"; 5804 break; 5805 default: 5806 goto cp0_unimplemented; 5807 } 5808 break; 5809 case CP0_REGISTER_18: 5810 switch (sel) { 5811 case CP0_REG18__WATCHLO0: 5812 case CP0_REG18__WATCHLO1: 5813 case CP0_REG18__WATCHLO2: 5814 case CP0_REG18__WATCHLO3: 5815 case CP0_REG18__WATCHLO4: 5816 case CP0_REG18__WATCHLO5: 5817 case CP0_REG18__WATCHLO6: 5818 case CP0_REG18__WATCHLO7: 5819 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 5820 gen_helper_1e0i(mfc0_watchlo, arg, sel); 5821 register_name = "WatchLo"; 5822 break; 5823 default: 5824 goto cp0_unimplemented; 5825 } 5826 break; 5827 case CP0_REGISTER_19: 5828 switch (sel) { 5829 case CP0_REG19__WATCHHI0: 5830 case CP0_REG19__WATCHHI1: 5831 case CP0_REG19__WATCHHI2: 5832 case CP0_REG19__WATCHHI3: 5833 case CP0_REG19__WATCHHI4: 5834 case CP0_REG19__WATCHHI5: 5835 case CP0_REG19__WATCHHI6: 5836 case CP0_REG19__WATCHHI7: 5837 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 5838 gen_helper_1e0i(mfc0_watchhi, arg, sel); 5839 register_name = "WatchHi"; 5840 break; 5841 default: 5842 goto cp0_unimplemented; 5843 } 5844 break; 5845 case CP0_REGISTER_20: 5846 switch (sel) { 5847 case CP0_REG20__XCONTEXT: 5848 #if defined(TARGET_MIPS64) 5849 check_insn(ctx, ISA_MIPS3); 5850 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_XContext)); 5851 tcg_gen_ext32s_tl(arg, arg); 5852 register_name = "XContext"; 5853 break; 5854 #endif 5855 default: 5856 goto cp0_unimplemented; 5857 } 5858 break; 5859 case CP0_REGISTER_21: 5860 /* Officially reserved, but sel 0 is used for R1x000 framemask */ 5861 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 5862 switch (sel) { 5863 case 0: 5864 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Framemask)); 5865 register_name = "Framemask"; 5866 break; 5867 default: 5868 goto cp0_unimplemented; 5869 } 5870 break; 5871 case CP0_REGISTER_22: 5872 tcg_gen_movi_tl(arg, 0); /* unimplemented */ 5873 register_name = "'Diagnostic"; /* implementation dependent */ 5874 break; 5875 case CP0_REGISTER_23: 5876 switch (sel) { 5877 case CP0_REG23__DEBUG: 5878 gen_helper_mfc0_debug(arg, tcg_env); /* EJTAG support */ 5879 register_name = "Debug"; 5880 break; 5881 case CP0_REG23__TRACECONTROL: 5882 /* PDtrace support */ 5883 /* gen_helper_mfc0_tracecontrol(arg); */ 5884 register_name = "TraceControl"; 5885 goto cp0_unimplemented; 5886 case CP0_REG23__TRACECONTROL2: 5887 /* PDtrace support */ 5888 /* gen_helper_mfc0_tracecontrol2(arg); */ 5889 register_name = "TraceControl2"; 5890 goto cp0_unimplemented; 5891 case CP0_REG23__USERTRACEDATA1: 5892 /* PDtrace support */ 5893 /* gen_helper_mfc0_usertracedata1(arg);*/ 5894 register_name = "UserTraceData1"; 5895 goto cp0_unimplemented; 5896 case CP0_REG23__TRACEIBPC: 5897 /* PDtrace support */ 5898 /* gen_helper_mfc0_traceibpc(arg); */ 5899 register_name = "TraceIBPC"; 5900 goto cp0_unimplemented; 5901 case CP0_REG23__TRACEDBPC: 5902 /* PDtrace support */ 5903 /* gen_helper_mfc0_tracedbpc(arg); */ 5904 register_name = "TraceDBPC"; 5905 goto cp0_unimplemented; 5906 default: 5907 goto cp0_unimplemented; 5908 } 5909 break; 5910 case CP0_REGISTER_24: 5911 switch (sel) { 5912 case CP0_REG24__DEPC: 5913 /* EJTAG support */ 5914 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC)); 5915 tcg_gen_ext32s_tl(arg, arg); 5916 register_name = "DEPC"; 5917 break; 5918 default: 5919 goto cp0_unimplemented; 5920 } 5921 break; 5922 case CP0_REGISTER_25: 5923 switch (sel) { 5924 case CP0_REG25__PERFCTL0: 5925 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Performance0)); 5926 register_name = "Performance0"; 5927 break; 5928 case CP0_REG25__PERFCNT0: 5929 /* gen_helper_mfc0_performance1(arg); */ 5930 register_name = "Performance1"; 5931 goto cp0_unimplemented; 5932 case CP0_REG25__PERFCTL1: 5933 /* gen_helper_mfc0_performance2(arg); */ 5934 register_name = "Performance2"; 5935 goto cp0_unimplemented; 5936 case CP0_REG25__PERFCNT1: 5937 /* gen_helper_mfc0_performance3(arg); */ 5938 register_name = "Performance3"; 5939 goto cp0_unimplemented; 5940 case CP0_REG25__PERFCTL2: 5941 /* gen_helper_mfc0_performance4(arg); */ 5942 register_name = "Performance4"; 5943 goto cp0_unimplemented; 5944 case CP0_REG25__PERFCNT2: 5945 /* gen_helper_mfc0_performance5(arg); */ 5946 register_name = "Performance5"; 5947 goto cp0_unimplemented; 5948 case CP0_REG25__PERFCTL3: 5949 /* gen_helper_mfc0_performance6(arg); */ 5950 register_name = "Performance6"; 5951 goto cp0_unimplemented; 5952 case CP0_REG25__PERFCNT3: 5953 /* gen_helper_mfc0_performance7(arg); */ 5954 register_name = "Performance7"; 5955 goto cp0_unimplemented; 5956 default: 5957 goto cp0_unimplemented; 5958 } 5959 break; 5960 case CP0_REGISTER_26: 5961 switch (sel) { 5962 case CP0_REG26__ERRCTL: 5963 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_ErrCtl)); 5964 register_name = "ErrCtl"; 5965 break; 5966 default: 5967 goto cp0_unimplemented; 5968 } 5969 break; 5970 case CP0_REGISTER_27: 5971 switch (sel) { 5972 case CP0_REG27__CACHERR: 5973 tcg_gen_movi_tl(arg, 0); /* unimplemented */ 5974 register_name = "CacheErr"; 5975 break; 5976 default: 5977 goto cp0_unimplemented; 5978 } 5979 break; 5980 case CP0_REGISTER_28: 5981 switch (sel) { 5982 case CP0_REG28__TAGLO: 5983 case CP0_REG28__TAGLO1: 5984 case CP0_REG28__TAGLO2: 5985 case CP0_REG28__TAGLO3: 5986 { 5987 TCGv_i64 tmp = tcg_temp_new_i64(); 5988 tcg_gen_ld_i64(tmp, tcg_env, offsetof(CPUMIPSState, CP0_TagLo)); 5989 gen_move_low32(arg, tmp); 5990 } 5991 register_name = "TagLo"; 5992 break; 5993 case CP0_REG28__DATALO: 5994 case CP0_REG28__DATALO1: 5995 case CP0_REG28__DATALO2: 5996 case CP0_REG28__DATALO3: 5997 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataLo)); 5998 register_name = "DataLo"; 5999 break; 6000 default: 6001 goto cp0_unimplemented; 6002 } 6003 break; 6004 case CP0_REGISTER_29: 6005 switch (sel) { 6006 case CP0_REG29__TAGHI: 6007 case CP0_REG29__TAGHI1: 6008 case CP0_REG29__TAGHI2: 6009 case CP0_REG29__TAGHI3: 6010 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagHi)); 6011 register_name = "TagHi"; 6012 break; 6013 case CP0_REG29__DATAHI: 6014 case CP0_REG29__DATAHI1: 6015 case CP0_REG29__DATAHI2: 6016 case CP0_REG29__DATAHI3: 6017 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataHi)); 6018 register_name = "DataHi"; 6019 break; 6020 default: 6021 goto cp0_unimplemented; 6022 } 6023 break; 6024 case CP0_REGISTER_30: 6025 switch (sel) { 6026 case CP0_REG30__ERROREPC: 6027 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC)); 6028 tcg_gen_ext32s_tl(arg, arg); 6029 register_name = "ErrorEPC"; 6030 break; 6031 default: 6032 goto cp0_unimplemented; 6033 } 6034 break; 6035 case CP0_REGISTER_31: 6036 switch (sel) { 6037 case CP0_REG31__DESAVE: 6038 /* EJTAG support */ 6039 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE)); 6040 register_name = "DESAVE"; 6041 break; 6042 case CP0_REG31__KSCRATCH1: 6043 case CP0_REG31__KSCRATCH2: 6044 case CP0_REG31__KSCRATCH3: 6045 case CP0_REG31__KSCRATCH4: 6046 case CP0_REG31__KSCRATCH5: 6047 case CP0_REG31__KSCRATCH6: 6048 CP0_CHECK(ctx->kscrexist & (1 << sel)); 6049 tcg_gen_ld_tl(arg, tcg_env, 6050 offsetof(CPUMIPSState, CP0_KScratch[sel - 2])); 6051 tcg_gen_ext32s_tl(arg, arg); 6052 register_name = "KScratch"; 6053 break; 6054 default: 6055 goto cp0_unimplemented; 6056 } 6057 break; 6058 default: 6059 goto cp0_unimplemented; 6060 } 6061 trace_mips_translate_c0("mfc0", register_name, reg, sel); 6062 return; 6063 6064 cp0_unimplemented: 6065 qemu_log_mask(LOG_UNIMP, "mfc0 %s (reg %d sel %d)\n", 6066 register_name, reg, sel); 6067 gen_mfc0_unimplemented(ctx, arg); 6068 } 6069 6070 static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel) 6071 { 6072 const char *register_name = "invalid"; 6073 bool icount; 6074 6075 if (sel != 0) { 6076 check_insn(ctx, ISA_MIPS_R1); 6077 } 6078 6079 icount = translator_io_start(&ctx->base); 6080 6081 switch (reg) { 6082 case CP0_REGISTER_00: 6083 switch (sel) { 6084 case CP0_REG00__INDEX: 6085 gen_helper_mtc0_index(tcg_env, arg); 6086 register_name = "Index"; 6087 break; 6088 case CP0_REG00__MVPCONTROL: 6089 CP0_CHECK(ctx->insn_flags & ASE_MT); 6090 gen_helper_mtc0_mvpcontrol(tcg_env, arg); 6091 register_name = "MVPControl"; 6092 break; 6093 case CP0_REG00__MVPCONF0: 6094 CP0_CHECK(ctx->insn_flags & ASE_MT); 6095 /* ignored */ 6096 register_name = "MVPConf0"; 6097 break; 6098 case CP0_REG00__MVPCONF1: 6099 CP0_CHECK(ctx->insn_flags & ASE_MT); 6100 /* ignored */ 6101 register_name = "MVPConf1"; 6102 break; 6103 case CP0_REG00__VPCONTROL: 6104 CP0_CHECK(ctx->vp); 6105 /* ignored */ 6106 register_name = "VPControl"; 6107 break; 6108 default: 6109 goto cp0_unimplemented; 6110 } 6111 break; 6112 case CP0_REGISTER_01: 6113 switch (sel) { 6114 case CP0_REG01__RANDOM: 6115 /* ignored */ 6116 register_name = "Random"; 6117 break; 6118 case CP0_REG01__VPECONTROL: 6119 CP0_CHECK(ctx->insn_flags & ASE_MT); 6120 gen_helper_mtc0_vpecontrol(tcg_env, arg); 6121 register_name = "VPEControl"; 6122 break; 6123 case CP0_REG01__VPECONF0: 6124 CP0_CHECK(ctx->insn_flags & ASE_MT); 6125 gen_helper_mtc0_vpeconf0(tcg_env, arg); 6126 register_name = "VPEConf0"; 6127 break; 6128 case CP0_REG01__VPECONF1: 6129 CP0_CHECK(ctx->insn_flags & ASE_MT); 6130 gen_helper_mtc0_vpeconf1(tcg_env, arg); 6131 register_name = "VPEConf1"; 6132 break; 6133 case CP0_REG01__YQMASK: 6134 CP0_CHECK(ctx->insn_flags & ASE_MT); 6135 gen_helper_mtc0_yqmask(tcg_env, arg); 6136 register_name = "YQMask"; 6137 break; 6138 case CP0_REG01__VPESCHEDULE: 6139 CP0_CHECK(ctx->insn_flags & ASE_MT); 6140 tcg_gen_st_tl(arg, tcg_env, 6141 offsetof(CPUMIPSState, CP0_VPESchedule)); 6142 register_name = "VPESchedule"; 6143 break; 6144 case CP0_REG01__VPESCHEFBACK: 6145 CP0_CHECK(ctx->insn_flags & ASE_MT); 6146 tcg_gen_st_tl(arg, tcg_env, 6147 offsetof(CPUMIPSState, CP0_VPEScheFBack)); 6148 register_name = "VPEScheFBack"; 6149 break; 6150 case CP0_REG01__VPEOPT: 6151 CP0_CHECK(ctx->insn_flags & ASE_MT); 6152 gen_helper_mtc0_vpeopt(tcg_env, arg); 6153 register_name = "VPEOpt"; 6154 break; 6155 default: 6156 goto cp0_unimplemented; 6157 } 6158 break; 6159 case CP0_REGISTER_02: 6160 switch (sel) { 6161 case CP0_REG02__ENTRYLO0: 6162 gen_helper_mtc0_entrylo0(tcg_env, arg); 6163 register_name = "EntryLo0"; 6164 break; 6165 case CP0_REG02__TCSTATUS: 6166 CP0_CHECK(ctx->insn_flags & ASE_MT); 6167 gen_helper_mtc0_tcstatus(tcg_env, arg); 6168 register_name = "TCStatus"; 6169 break; 6170 case CP0_REG02__TCBIND: 6171 CP0_CHECK(ctx->insn_flags & ASE_MT); 6172 gen_helper_mtc0_tcbind(tcg_env, arg); 6173 register_name = "TCBind"; 6174 break; 6175 case CP0_REG02__TCRESTART: 6176 CP0_CHECK(ctx->insn_flags & ASE_MT); 6177 gen_helper_mtc0_tcrestart(tcg_env, arg); 6178 register_name = "TCRestart"; 6179 break; 6180 case CP0_REG02__TCHALT: 6181 CP0_CHECK(ctx->insn_flags & ASE_MT); 6182 gen_helper_mtc0_tchalt(tcg_env, arg); 6183 register_name = "TCHalt"; 6184 break; 6185 case CP0_REG02__TCCONTEXT: 6186 CP0_CHECK(ctx->insn_flags & ASE_MT); 6187 gen_helper_mtc0_tccontext(tcg_env, arg); 6188 register_name = "TCContext"; 6189 break; 6190 case CP0_REG02__TCSCHEDULE: 6191 CP0_CHECK(ctx->insn_flags & ASE_MT); 6192 gen_helper_mtc0_tcschedule(tcg_env, arg); 6193 register_name = "TCSchedule"; 6194 break; 6195 case CP0_REG02__TCSCHEFBACK: 6196 CP0_CHECK(ctx->insn_flags & ASE_MT); 6197 gen_helper_mtc0_tcschefback(tcg_env, arg); 6198 register_name = "TCScheFBack"; 6199 break; 6200 default: 6201 goto cp0_unimplemented; 6202 } 6203 break; 6204 case CP0_REGISTER_03: 6205 switch (sel) { 6206 case CP0_REG03__ENTRYLO1: 6207 gen_helper_mtc0_entrylo1(tcg_env, arg); 6208 register_name = "EntryLo1"; 6209 break; 6210 case CP0_REG03__GLOBALNUM: 6211 CP0_CHECK(ctx->vp); 6212 /* ignored */ 6213 register_name = "GlobalNumber"; 6214 break; 6215 default: 6216 goto cp0_unimplemented; 6217 } 6218 break; 6219 case CP0_REGISTER_04: 6220 switch (sel) { 6221 case CP0_REG04__CONTEXT: 6222 gen_helper_mtc0_context(tcg_env, arg); 6223 register_name = "Context"; 6224 break; 6225 case CP0_REG04__CONTEXTCONFIG: 6226 /* SmartMIPS ASE */ 6227 /* gen_helper_mtc0_contextconfig(arg); */ 6228 register_name = "ContextConfig"; 6229 goto cp0_unimplemented; 6230 case CP0_REG04__USERLOCAL: 6231 CP0_CHECK(ctx->ulri); 6232 tcg_gen_st_tl(arg, tcg_env, 6233 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 6234 register_name = "UserLocal"; 6235 break; 6236 case CP0_REG04__MMID: 6237 CP0_CHECK(ctx->mi); 6238 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MemoryMapID)); 6239 register_name = "MMID"; 6240 break; 6241 default: 6242 goto cp0_unimplemented; 6243 } 6244 break; 6245 case CP0_REGISTER_05: 6246 switch (sel) { 6247 case CP0_REG05__PAGEMASK: 6248 gen_helper_mtc0_pagemask(tcg_env, arg); 6249 register_name = "PageMask"; 6250 break; 6251 case CP0_REG05__PAGEGRAIN: 6252 check_insn(ctx, ISA_MIPS_R2); 6253 gen_helper_mtc0_pagegrain(tcg_env, arg); 6254 register_name = "PageGrain"; 6255 ctx->base.is_jmp = DISAS_STOP; 6256 break; 6257 case CP0_REG05__SEGCTL0: 6258 CP0_CHECK(ctx->sc); 6259 gen_helper_mtc0_segctl0(tcg_env, arg); 6260 register_name = "SegCtl0"; 6261 break; 6262 case CP0_REG05__SEGCTL1: 6263 CP0_CHECK(ctx->sc); 6264 gen_helper_mtc0_segctl1(tcg_env, arg); 6265 register_name = "SegCtl1"; 6266 break; 6267 case CP0_REG05__SEGCTL2: 6268 CP0_CHECK(ctx->sc); 6269 gen_helper_mtc0_segctl2(tcg_env, arg); 6270 register_name = "SegCtl2"; 6271 break; 6272 case CP0_REG05__PWBASE: 6273 check_pw(ctx); 6274 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_PWBase)); 6275 register_name = "PWBase"; 6276 break; 6277 case CP0_REG05__PWFIELD: 6278 check_pw(ctx); 6279 gen_helper_mtc0_pwfield(tcg_env, arg); 6280 register_name = "PWField"; 6281 break; 6282 case CP0_REG05__PWSIZE: 6283 check_pw(ctx); 6284 gen_helper_mtc0_pwsize(tcg_env, arg); 6285 register_name = "PWSize"; 6286 break; 6287 default: 6288 goto cp0_unimplemented; 6289 } 6290 break; 6291 case CP0_REGISTER_06: 6292 switch (sel) { 6293 case CP0_REG06__WIRED: 6294 gen_helper_mtc0_wired(tcg_env, arg); 6295 register_name = "Wired"; 6296 break; 6297 case CP0_REG06__SRSCONF0: 6298 check_insn(ctx, ISA_MIPS_R2); 6299 gen_helper_mtc0_srsconf0(tcg_env, arg); 6300 register_name = "SRSConf0"; 6301 break; 6302 case CP0_REG06__SRSCONF1: 6303 check_insn(ctx, ISA_MIPS_R2); 6304 gen_helper_mtc0_srsconf1(tcg_env, arg); 6305 register_name = "SRSConf1"; 6306 break; 6307 case CP0_REG06__SRSCONF2: 6308 check_insn(ctx, ISA_MIPS_R2); 6309 gen_helper_mtc0_srsconf2(tcg_env, arg); 6310 register_name = "SRSConf2"; 6311 break; 6312 case CP0_REG06__SRSCONF3: 6313 check_insn(ctx, ISA_MIPS_R2); 6314 gen_helper_mtc0_srsconf3(tcg_env, arg); 6315 register_name = "SRSConf3"; 6316 break; 6317 case CP0_REG06__SRSCONF4: 6318 check_insn(ctx, ISA_MIPS_R2); 6319 gen_helper_mtc0_srsconf4(tcg_env, arg); 6320 register_name = "SRSConf4"; 6321 break; 6322 case CP0_REG06__PWCTL: 6323 check_pw(ctx); 6324 gen_helper_mtc0_pwctl(tcg_env, arg); 6325 register_name = "PWCtl"; 6326 break; 6327 default: 6328 goto cp0_unimplemented; 6329 } 6330 break; 6331 case CP0_REGISTER_07: 6332 switch (sel) { 6333 case CP0_REG07__HWRENA: 6334 check_insn(ctx, ISA_MIPS_R2); 6335 gen_helper_mtc0_hwrena(tcg_env, arg); 6336 ctx->base.is_jmp = DISAS_STOP; 6337 register_name = "HWREna"; 6338 break; 6339 default: 6340 goto cp0_unimplemented; 6341 } 6342 break; 6343 case CP0_REGISTER_08: 6344 switch (sel) { 6345 case CP0_REG08__BADVADDR: 6346 /* ignored */ 6347 register_name = "BadVAddr"; 6348 break; 6349 case CP0_REG08__BADINSTR: 6350 /* ignored */ 6351 register_name = "BadInstr"; 6352 break; 6353 case CP0_REG08__BADINSTRP: 6354 /* ignored */ 6355 register_name = "BadInstrP"; 6356 break; 6357 case CP0_REG08__BADINSTRX: 6358 /* ignored */ 6359 register_name = "BadInstrX"; 6360 break; 6361 default: 6362 goto cp0_unimplemented; 6363 } 6364 break; 6365 case CP0_REGISTER_09: 6366 switch (sel) { 6367 case CP0_REG09__COUNT: 6368 gen_helper_mtc0_count(tcg_env, arg); 6369 register_name = "Count"; 6370 break; 6371 default: 6372 goto cp0_unimplemented; 6373 } 6374 break; 6375 case CP0_REGISTER_10: 6376 switch (sel) { 6377 case CP0_REG10__ENTRYHI: 6378 gen_helper_mtc0_entryhi(tcg_env, arg); 6379 register_name = "EntryHi"; 6380 break; 6381 default: 6382 goto cp0_unimplemented; 6383 } 6384 break; 6385 case CP0_REGISTER_11: 6386 switch (sel) { 6387 case CP0_REG11__COMPARE: 6388 gen_helper_mtc0_compare(tcg_env, arg); 6389 register_name = "Compare"; 6390 break; 6391 /* 6,7 are implementation dependent */ 6392 default: 6393 goto cp0_unimplemented; 6394 } 6395 break; 6396 case CP0_REGISTER_12: 6397 switch (sel) { 6398 case CP0_REG12__STATUS: 6399 save_cpu_state(ctx, 1); 6400 gen_helper_mtc0_status(tcg_env, arg); 6401 /* DISAS_STOP isn't good enough here, hflags may have changed. */ 6402 gen_save_pc(ctx->base.pc_next + 4); 6403 ctx->base.is_jmp = DISAS_EXIT; 6404 register_name = "Status"; 6405 break; 6406 case CP0_REG12__INTCTL: 6407 check_insn(ctx, ISA_MIPS_R2); 6408 gen_helper_mtc0_intctl(tcg_env, arg); 6409 /* Stop translation as we may have switched the execution mode */ 6410 ctx->base.is_jmp = DISAS_STOP; 6411 register_name = "IntCtl"; 6412 break; 6413 case CP0_REG12__SRSCTL: 6414 check_insn(ctx, ISA_MIPS_R2); 6415 gen_helper_mtc0_srsctl(tcg_env, arg); 6416 /* Stop translation as we may have switched the execution mode */ 6417 ctx->base.is_jmp = DISAS_STOP; 6418 register_name = "SRSCtl"; 6419 break; 6420 case CP0_REG12__SRSMAP: 6421 check_insn(ctx, ISA_MIPS_R2); 6422 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap)); 6423 /* Stop translation as we may have switched the execution mode */ 6424 ctx->base.is_jmp = DISAS_STOP; 6425 register_name = "SRSMap"; 6426 break; 6427 default: 6428 goto cp0_unimplemented; 6429 } 6430 break; 6431 case CP0_REGISTER_13: 6432 switch (sel) { 6433 case CP0_REG13__CAUSE: 6434 save_cpu_state(ctx, 1); 6435 gen_helper_mtc0_cause(tcg_env, arg); 6436 /* 6437 * Stop translation as we may have triggered an interrupt. 6438 * DISAS_STOP isn't sufficient, we need to ensure we break out of 6439 * translated code to check for pending interrupts. 6440 */ 6441 gen_save_pc(ctx->base.pc_next + 4); 6442 ctx->base.is_jmp = DISAS_EXIT; 6443 register_name = "Cause"; 6444 break; 6445 default: 6446 goto cp0_unimplemented; 6447 } 6448 break; 6449 case CP0_REGISTER_14: 6450 switch (sel) { 6451 case CP0_REG14__EPC: 6452 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC)); 6453 register_name = "EPC"; 6454 break; 6455 default: 6456 goto cp0_unimplemented; 6457 } 6458 break; 6459 case CP0_REGISTER_15: 6460 switch (sel) { 6461 case CP0_REG15__PRID: 6462 /* ignored */ 6463 register_name = "PRid"; 6464 break; 6465 case CP0_REG15__EBASE: 6466 check_insn(ctx, ISA_MIPS_R2); 6467 gen_helper_mtc0_ebase(tcg_env, arg); 6468 register_name = "EBase"; 6469 break; 6470 default: 6471 goto cp0_unimplemented; 6472 } 6473 break; 6474 case CP0_REGISTER_16: 6475 switch (sel) { 6476 case CP0_REG16__CONFIG: 6477 gen_helper_mtc0_config0(tcg_env, arg); 6478 register_name = "Config"; 6479 /* Stop translation as we may have switched the execution mode */ 6480 ctx->base.is_jmp = DISAS_STOP; 6481 break; 6482 case CP0_REG16__CONFIG1: 6483 /* ignored, read only */ 6484 register_name = "Config1"; 6485 break; 6486 case CP0_REG16__CONFIG2: 6487 gen_helper_mtc0_config2(tcg_env, arg); 6488 register_name = "Config2"; 6489 /* Stop translation as we may have switched the execution mode */ 6490 ctx->base.is_jmp = DISAS_STOP; 6491 break; 6492 case CP0_REG16__CONFIG3: 6493 gen_helper_mtc0_config3(tcg_env, arg); 6494 register_name = "Config3"; 6495 /* Stop translation as we may have switched the execution mode */ 6496 ctx->base.is_jmp = DISAS_STOP; 6497 break; 6498 case CP0_REG16__CONFIG4: 6499 gen_helper_mtc0_config4(tcg_env, arg); 6500 register_name = "Config4"; 6501 ctx->base.is_jmp = DISAS_STOP; 6502 break; 6503 case CP0_REG16__CONFIG5: 6504 gen_helper_mtc0_config5(tcg_env, arg); 6505 register_name = "Config5"; 6506 /* Stop translation as we may have switched the execution mode */ 6507 ctx->base.is_jmp = DISAS_STOP; 6508 break; 6509 /* 6,7 are implementation dependent */ 6510 case CP0_REG16__CONFIG6: 6511 /* ignored */ 6512 register_name = "Config6"; 6513 break; 6514 case CP0_REG16__CONFIG7: 6515 /* ignored */ 6516 register_name = "Config7"; 6517 break; 6518 default: 6519 register_name = "Invalid config selector"; 6520 goto cp0_unimplemented; 6521 } 6522 break; 6523 case CP0_REGISTER_17: 6524 switch (sel) { 6525 case CP0_REG17__LLADDR: 6526 gen_helper_mtc0_lladdr(tcg_env, arg); 6527 register_name = "LLAddr"; 6528 break; 6529 case CP0_REG17__MAAR: 6530 CP0_CHECK(ctx->mrp); 6531 gen_helper_mtc0_maar(tcg_env, arg); 6532 register_name = "MAAR"; 6533 break; 6534 case CP0_REG17__MAARI: 6535 CP0_CHECK(ctx->mrp); 6536 gen_helper_mtc0_maari(tcg_env, arg); 6537 register_name = "MAARI"; 6538 break; 6539 default: 6540 goto cp0_unimplemented; 6541 } 6542 break; 6543 case CP0_REGISTER_18: 6544 switch (sel) { 6545 case CP0_REG18__WATCHLO0: 6546 case CP0_REG18__WATCHLO1: 6547 case CP0_REG18__WATCHLO2: 6548 case CP0_REG18__WATCHLO3: 6549 case CP0_REG18__WATCHLO4: 6550 case CP0_REG18__WATCHLO5: 6551 case CP0_REG18__WATCHLO6: 6552 case CP0_REG18__WATCHLO7: 6553 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 6554 gen_helper_0e1i(mtc0_watchlo, arg, sel); 6555 register_name = "WatchLo"; 6556 break; 6557 default: 6558 goto cp0_unimplemented; 6559 } 6560 break; 6561 case CP0_REGISTER_19: 6562 switch (sel) { 6563 case CP0_REG19__WATCHHI0: 6564 case CP0_REG19__WATCHHI1: 6565 case CP0_REG19__WATCHHI2: 6566 case CP0_REG19__WATCHHI3: 6567 case CP0_REG19__WATCHHI4: 6568 case CP0_REG19__WATCHHI5: 6569 case CP0_REG19__WATCHHI6: 6570 case CP0_REG19__WATCHHI7: 6571 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 6572 gen_helper_0e1i(mtc0_watchhi, arg, sel); 6573 register_name = "WatchHi"; 6574 break; 6575 default: 6576 goto cp0_unimplemented; 6577 } 6578 break; 6579 case CP0_REGISTER_20: 6580 switch (sel) { 6581 case CP0_REG20__XCONTEXT: 6582 #if defined(TARGET_MIPS64) 6583 check_insn(ctx, ISA_MIPS3); 6584 gen_helper_mtc0_xcontext(tcg_env, arg); 6585 register_name = "XContext"; 6586 break; 6587 #endif 6588 default: 6589 goto cp0_unimplemented; 6590 } 6591 break; 6592 case CP0_REGISTER_21: 6593 /* Officially reserved, but sel 0 is used for R1x000 framemask */ 6594 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 6595 switch (sel) { 6596 case 0: 6597 gen_helper_mtc0_framemask(tcg_env, arg); 6598 register_name = "Framemask"; 6599 break; 6600 default: 6601 goto cp0_unimplemented; 6602 } 6603 break; 6604 case CP0_REGISTER_22: 6605 /* ignored */ 6606 register_name = "Diagnostic"; /* implementation dependent */ 6607 break; 6608 case CP0_REGISTER_23: 6609 switch (sel) { 6610 case CP0_REG23__DEBUG: 6611 gen_helper_mtc0_debug(tcg_env, arg); /* EJTAG support */ 6612 /* DISAS_STOP isn't good enough here, hflags may have changed. */ 6613 gen_save_pc(ctx->base.pc_next + 4); 6614 ctx->base.is_jmp = DISAS_EXIT; 6615 register_name = "Debug"; 6616 break; 6617 case CP0_REG23__TRACECONTROL: 6618 /* PDtrace support */ 6619 /* gen_helper_mtc0_tracecontrol(tcg_env, arg); */ 6620 register_name = "TraceControl"; 6621 /* Stop translation as we may have switched the execution mode */ 6622 ctx->base.is_jmp = DISAS_STOP; 6623 goto cp0_unimplemented; 6624 case CP0_REG23__TRACECONTROL2: 6625 /* PDtrace support */ 6626 /* gen_helper_mtc0_tracecontrol2(tcg_env, arg); */ 6627 register_name = "TraceControl2"; 6628 /* Stop translation as we may have switched the execution mode */ 6629 ctx->base.is_jmp = DISAS_STOP; 6630 goto cp0_unimplemented; 6631 case CP0_REG23__USERTRACEDATA1: 6632 /* Stop translation as we may have switched the execution mode */ 6633 ctx->base.is_jmp = DISAS_STOP; 6634 /* PDtrace support */ 6635 /* gen_helper_mtc0_usertracedata1(tcg_env, arg);*/ 6636 register_name = "UserTraceData"; 6637 /* Stop translation as we may have switched the execution mode */ 6638 ctx->base.is_jmp = DISAS_STOP; 6639 goto cp0_unimplemented; 6640 case CP0_REG23__TRACEIBPC: 6641 /* PDtrace support */ 6642 /* gen_helper_mtc0_traceibpc(tcg_env, arg); */ 6643 /* Stop translation as we may have switched the execution mode */ 6644 ctx->base.is_jmp = DISAS_STOP; 6645 register_name = "TraceIBPC"; 6646 goto cp0_unimplemented; 6647 case CP0_REG23__TRACEDBPC: 6648 /* PDtrace support */ 6649 /* gen_helper_mtc0_tracedbpc(tcg_env, arg); */ 6650 /* Stop translation as we may have switched the execution mode */ 6651 ctx->base.is_jmp = DISAS_STOP; 6652 register_name = "TraceDBPC"; 6653 goto cp0_unimplemented; 6654 default: 6655 goto cp0_unimplemented; 6656 } 6657 break; 6658 case CP0_REGISTER_24: 6659 switch (sel) { 6660 case CP0_REG24__DEPC: 6661 /* EJTAG support */ 6662 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC)); 6663 register_name = "DEPC"; 6664 break; 6665 default: 6666 goto cp0_unimplemented; 6667 } 6668 break; 6669 case CP0_REGISTER_25: 6670 switch (sel) { 6671 case CP0_REG25__PERFCTL0: 6672 gen_helper_mtc0_performance0(tcg_env, arg); 6673 register_name = "Performance0"; 6674 break; 6675 case CP0_REG25__PERFCNT0: 6676 /* gen_helper_mtc0_performance1(arg); */ 6677 register_name = "Performance1"; 6678 goto cp0_unimplemented; 6679 case CP0_REG25__PERFCTL1: 6680 /* gen_helper_mtc0_performance2(arg); */ 6681 register_name = "Performance2"; 6682 goto cp0_unimplemented; 6683 case CP0_REG25__PERFCNT1: 6684 /* gen_helper_mtc0_performance3(arg); */ 6685 register_name = "Performance3"; 6686 goto cp0_unimplemented; 6687 case CP0_REG25__PERFCTL2: 6688 /* gen_helper_mtc0_performance4(arg); */ 6689 register_name = "Performance4"; 6690 goto cp0_unimplemented; 6691 case CP0_REG25__PERFCNT2: 6692 /* gen_helper_mtc0_performance5(arg); */ 6693 register_name = "Performance5"; 6694 goto cp0_unimplemented; 6695 case CP0_REG25__PERFCTL3: 6696 /* gen_helper_mtc0_performance6(arg); */ 6697 register_name = "Performance6"; 6698 goto cp0_unimplemented; 6699 case CP0_REG25__PERFCNT3: 6700 /* gen_helper_mtc0_performance7(arg); */ 6701 register_name = "Performance7"; 6702 goto cp0_unimplemented; 6703 default: 6704 goto cp0_unimplemented; 6705 } 6706 break; 6707 case CP0_REGISTER_26: 6708 switch (sel) { 6709 case CP0_REG26__ERRCTL: 6710 gen_helper_mtc0_errctl(tcg_env, arg); 6711 ctx->base.is_jmp = DISAS_STOP; 6712 register_name = "ErrCtl"; 6713 break; 6714 default: 6715 goto cp0_unimplemented; 6716 } 6717 break; 6718 case CP0_REGISTER_27: 6719 switch (sel) { 6720 case CP0_REG27__CACHERR: 6721 /* ignored */ 6722 register_name = "CacheErr"; 6723 break; 6724 default: 6725 goto cp0_unimplemented; 6726 } 6727 break; 6728 case CP0_REGISTER_28: 6729 switch (sel) { 6730 case CP0_REG28__TAGLO: 6731 case CP0_REG28__TAGLO1: 6732 case CP0_REG28__TAGLO2: 6733 case CP0_REG28__TAGLO3: 6734 gen_helper_mtc0_taglo(tcg_env, arg); 6735 register_name = "TagLo"; 6736 break; 6737 case CP0_REG28__DATALO: 6738 case CP0_REG28__DATALO1: 6739 case CP0_REG28__DATALO2: 6740 case CP0_REG28__DATALO3: 6741 gen_helper_mtc0_datalo(tcg_env, arg); 6742 register_name = "DataLo"; 6743 break; 6744 default: 6745 goto cp0_unimplemented; 6746 } 6747 break; 6748 case CP0_REGISTER_29: 6749 switch (sel) { 6750 case CP0_REG29__TAGHI: 6751 case CP0_REG29__TAGHI1: 6752 case CP0_REG29__TAGHI2: 6753 case CP0_REG29__TAGHI3: 6754 gen_helper_mtc0_taghi(tcg_env, arg); 6755 register_name = "TagHi"; 6756 break; 6757 case CP0_REG29__DATAHI: 6758 case CP0_REG29__DATAHI1: 6759 case CP0_REG29__DATAHI2: 6760 case CP0_REG29__DATAHI3: 6761 gen_helper_mtc0_datahi(tcg_env, arg); 6762 register_name = "DataHi"; 6763 break; 6764 default: 6765 register_name = "invalid sel"; 6766 goto cp0_unimplemented; 6767 } 6768 break; 6769 case CP0_REGISTER_30: 6770 switch (sel) { 6771 case CP0_REG30__ERROREPC: 6772 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC)); 6773 register_name = "ErrorEPC"; 6774 break; 6775 default: 6776 goto cp0_unimplemented; 6777 } 6778 break; 6779 case CP0_REGISTER_31: 6780 switch (sel) { 6781 case CP0_REG31__DESAVE: 6782 /* EJTAG support */ 6783 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE)); 6784 register_name = "DESAVE"; 6785 break; 6786 case CP0_REG31__KSCRATCH1: 6787 case CP0_REG31__KSCRATCH2: 6788 case CP0_REG31__KSCRATCH3: 6789 case CP0_REG31__KSCRATCH4: 6790 case CP0_REG31__KSCRATCH5: 6791 case CP0_REG31__KSCRATCH6: 6792 CP0_CHECK(ctx->kscrexist & (1 << sel)); 6793 tcg_gen_st_tl(arg, tcg_env, 6794 offsetof(CPUMIPSState, CP0_KScratch[sel - 2])); 6795 register_name = "KScratch"; 6796 break; 6797 default: 6798 goto cp0_unimplemented; 6799 } 6800 break; 6801 default: 6802 goto cp0_unimplemented; 6803 } 6804 trace_mips_translate_c0("mtc0", register_name, reg, sel); 6805 6806 /* For simplicity assume that all writes can cause interrupts. */ 6807 if (icount) { 6808 /* 6809 * DISAS_STOP isn't sufficient, we need to ensure we break out of 6810 * translated code to check for pending interrupts. 6811 */ 6812 gen_save_pc(ctx->base.pc_next + 4); 6813 ctx->base.is_jmp = DISAS_EXIT; 6814 } 6815 return; 6816 6817 cp0_unimplemented: 6818 qemu_log_mask(LOG_UNIMP, "mtc0 %s (reg %d sel %d)\n", 6819 register_name, reg, sel); 6820 } 6821 6822 #if defined(TARGET_MIPS64) 6823 static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel) 6824 { 6825 const char *register_name = "invalid"; 6826 6827 if (sel != 0) { 6828 check_insn(ctx, ISA_MIPS_R1); 6829 } 6830 6831 switch (reg) { 6832 case CP0_REGISTER_00: 6833 switch (sel) { 6834 case CP0_REG00__INDEX: 6835 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Index)); 6836 register_name = "Index"; 6837 break; 6838 case CP0_REG00__MVPCONTROL: 6839 CP0_CHECK(ctx->insn_flags & ASE_MT); 6840 gen_helper_mfc0_mvpcontrol(arg, tcg_env); 6841 register_name = "MVPControl"; 6842 break; 6843 case CP0_REG00__MVPCONF0: 6844 CP0_CHECK(ctx->insn_flags & ASE_MT); 6845 gen_helper_mfc0_mvpconf0(arg, tcg_env); 6846 register_name = "MVPConf0"; 6847 break; 6848 case CP0_REG00__MVPCONF1: 6849 CP0_CHECK(ctx->insn_flags & ASE_MT); 6850 gen_helper_mfc0_mvpconf1(arg, tcg_env); 6851 register_name = "MVPConf1"; 6852 break; 6853 case CP0_REG00__VPCONTROL: 6854 CP0_CHECK(ctx->vp); 6855 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPControl)); 6856 register_name = "VPControl"; 6857 break; 6858 default: 6859 goto cp0_unimplemented; 6860 } 6861 break; 6862 case CP0_REGISTER_01: 6863 switch (sel) { 6864 case CP0_REG01__RANDOM: 6865 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 6866 gen_helper_mfc0_random(arg, tcg_env); 6867 register_name = "Random"; 6868 break; 6869 case CP0_REG01__VPECONTROL: 6870 CP0_CHECK(ctx->insn_flags & ASE_MT); 6871 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl)); 6872 register_name = "VPEControl"; 6873 break; 6874 case CP0_REG01__VPECONF0: 6875 CP0_CHECK(ctx->insn_flags & ASE_MT); 6876 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0)); 6877 register_name = "VPEConf0"; 6878 break; 6879 case CP0_REG01__VPECONF1: 6880 CP0_CHECK(ctx->insn_flags & ASE_MT); 6881 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1)); 6882 register_name = "VPEConf1"; 6883 break; 6884 case CP0_REG01__YQMASK: 6885 CP0_CHECK(ctx->insn_flags & ASE_MT); 6886 tcg_gen_ld_tl(arg, tcg_env, 6887 offsetof(CPUMIPSState, CP0_YQMask)); 6888 register_name = "YQMask"; 6889 break; 6890 case CP0_REG01__VPESCHEDULE: 6891 CP0_CHECK(ctx->insn_flags & ASE_MT); 6892 tcg_gen_ld_tl(arg, tcg_env, 6893 offsetof(CPUMIPSState, CP0_VPESchedule)); 6894 register_name = "VPESchedule"; 6895 break; 6896 case CP0_REG01__VPESCHEFBACK: 6897 CP0_CHECK(ctx->insn_flags & ASE_MT); 6898 tcg_gen_ld_tl(arg, tcg_env, 6899 offsetof(CPUMIPSState, CP0_VPEScheFBack)); 6900 register_name = "VPEScheFBack"; 6901 break; 6902 case CP0_REG01__VPEOPT: 6903 CP0_CHECK(ctx->insn_flags & ASE_MT); 6904 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt)); 6905 register_name = "VPEOpt"; 6906 break; 6907 default: 6908 goto cp0_unimplemented; 6909 } 6910 break; 6911 case CP0_REGISTER_02: 6912 switch (sel) { 6913 case CP0_REG02__ENTRYLO0: 6914 tcg_gen_ld_tl(arg, tcg_env, 6915 offsetof(CPUMIPSState, CP0_EntryLo0)); 6916 register_name = "EntryLo0"; 6917 break; 6918 case CP0_REG02__TCSTATUS: 6919 CP0_CHECK(ctx->insn_flags & ASE_MT); 6920 gen_helper_mfc0_tcstatus(arg, tcg_env); 6921 register_name = "TCStatus"; 6922 break; 6923 case CP0_REG02__TCBIND: 6924 CP0_CHECK(ctx->insn_flags & ASE_MT); 6925 gen_helper_mfc0_tcbind(arg, tcg_env); 6926 register_name = "TCBind"; 6927 break; 6928 case CP0_REG02__TCRESTART: 6929 CP0_CHECK(ctx->insn_flags & ASE_MT); 6930 gen_helper_dmfc0_tcrestart(arg, tcg_env); 6931 register_name = "TCRestart"; 6932 break; 6933 case CP0_REG02__TCHALT: 6934 CP0_CHECK(ctx->insn_flags & ASE_MT); 6935 gen_helper_dmfc0_tchalt(arg, tcg_env); 6936 register_name = "TCHalt"; 6937 break; 6938 case CP0_REG02__TCCONTEXT: 6939 CP0_CHECK(ctx->insn_flags & ASE_MT); 6940 gen_helper_dmfc0_tccontext(arg, tcg_env); 6941 register_name = "TCContext"; 6942 break; 6943 case CP0_REG02__TCSCHEDULE: 6944 CP0_CHECK(ctx->insn_flags & ASE_MT); 6945 gen_helper_dmfc0_tcschedule(arg, tcg_env); 6946 register_name = "TCSchedule"; 6947 break; 6948 case CP0_REG02__TCSCHEFBACK: 6949 CP0_CHECK(ctx->insn_flags & ASE_MT); 6950 gen_helper_dmfc0_tcschefback(arg, tcg_env); 6951 register_name = "TCScheFBack"; 6952 break; 6953 default: 6954 goto cp0_unimplemented; 6955 } 6956 break; 6957 case CP0_REGISTER_03: 6958 switch (sel) { 6959 case CP0_REG03__ENTRYLO1: 6960 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EntryLo1)); 6961 register_name = "EntryLo1"; 6962 break; 6963 case CP0_REG03__GLOBALNUM: 6964 CP0_CHECK(ctx->vp); 6965 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber)); 6966 register_name = "GlobalNumber"; 6967 break; 6968 default: 6969 goto cp0_unimplemented; 6970 } 6971 break; 6972 case CP0_REGISTER_04: 6973 switch (sel) { 6974 case CP0_REG04__CONTEXT: 6975 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_Context)); 6976 register_name = "Context"; 6977 break; 6978 case CP0_REG04__CONTEXTCONFIG: 6979 /* SmartMIPS ASE */ 6980 /* gen_helper_dmfc0_contextconfig(arg); */ 6981 register_name = "ContextConfig"; 6982 goto cp0_unimplemented; 6983 case CP0_REG04__USERLOCAL: 6984 CP0_CHECK(ctx->ulri); 6985 tcg_gen_ld_tl(arg, tcg_env, 6986 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 6987 register_name = "UserLocal"; 6988 break; 6989 case CP0_REG04__MMID: 6990 CP0_CHECK(ctx->mi); 6991 gen_helper_mtc0_memorymapid(tcg_env, arg); 6992 register_name = "MMID"; 6993 break; 6994 default: 6995 goto cp0_unimplemented; 6996 } 6997 break; 6998 case CP0_REGISTER_05: 6999 switch (sel) { 7000 case CP0_REG05__PAGEMASK: 7001 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageMask)); 7002 register_name = "PageMask"; 7003 break; 7004 case CP0_REG05__PAGEGRAIN: 7005 check_insn(ctx, ISA_MIPS_R2); 7006 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageGrain)); 7007 register_name = "PageGrain"; 7008 break; 7009 case CP0_REG05__SEGCTL0: 7010 CP0_CHECK(ctx->sc); 7011 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl0)); 7012 register_name = "SegCtl0"; 7013 break; 7014 case CP0_REG05__SEGCTL1: 7015 CP0_CHECK(ctx->sc); 7016 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl1)); 7017 register_name = "SegCtl1"; 7018 break; 7019 case CP0_REG05__SEGCTL2: 7020 CP0_CHECK(ctx->sc); 7021 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl2)); 7022 register_name = "SegCtl2"; 7023 break; 7024 case CP0_REG05__PWBASE: 7025 check_pw(ctx); 7026 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWBase)); 7027 register_name = "PWBase"; 7028 break; 7029 case CP0_REG05__PWFIELD: 7030 check_pw(ctx); 7031 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWField)); 7032 register_name = "PWField"; 7033 break; 7034 case CP0_REG05__PWSIZE: 7035 check_pw(ctx); 7036 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWSize)); 7037 register_name = "PWSize"; 7038 break; 7039 default: 7040 goto cp0_unimplemented; 7041 } 7042 break; 7043 case CP0_REGISTER_06: 7044 switch (sel) { 7045 case CP0_REG06__WIRED: 7046 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Wired)); 7047 register_name = "Wired"; 7048 break; 7049 case CP0_REG06__SRSCONF0: 7050 check_insn(ctx, ISA_MIPS_R2); 7051 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf0)); 7052 register_name = "SRSConf0"; 7053 break; 7054 case CP0_REG06__SRSCONF1: 7055 check_insn(ctx, ISA_MIPS_R2); 7056 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf1)); 7057 register_name = "SRSConf1"; 7058 break; 7059 case CP0_REG06__SRSCONF2: 7060 check_insn(ctx, ISA_MIPS_R2); 7061 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf2)); 7062 register_name = "SRSConf2"; 7063 break; 7064 case CP0_REG06__SRSCONF3: 7065 check_insn(ctx, ISA_MIPS_R2); 7066 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf3)); 7067 register_name = "SRSConf3"; 7068 break; 7069 case CP0_REG06__SRSCONF4: 7070 check_insn(ctx, ISA_MIPS_R2); 7071 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4)); 7072 register_name = "SRSConf4"; 7073 break; 7074 case CP0_REG06__PWCTL: 7075 check_pw(ctx); 7076 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl)); 7077 register_name = "PWCtl"; 7078 break; 7079 default: 7080 goto cp0_unimplemented; 7081 } 7082 break; 7083 case CP0_REGISTER_07: 7084 switch (sel) { 7085 case CP0_REG07__HWRENA: 7086 check_insn(ctx, ISA_MIPS_R2); 7087 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_HWREna)); 7088 register_name = "HWREna"; 7089 break; 7090 default: 7091 goto cp0_unimplemented; 7092 } 7093 break; 7094 case CP0_REGISTER_08: 7095 switch (sel) { 7096 case CP0_REG08__BADVADDR: 7097 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_BadVAddr)); 7098 register_name = "BadVAddr"; 7099 break; 7100 case CP0_REG08__BADINSTR: 7101 CP0_CHECK(ctx->bi); 7102 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstr)); 7103 register_name = "BadInstr"; 7104 break; 7105 case CP0_REG08__BADINSTRP: 7106 CP0_CHECK(ctx->bp); 7107 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP)); 7108 register_name = "BadInstrP"; 7109 break; 7110 case CP0_REG08__BADINSTRX: 7111 CP0_CHECK(ctx->bi); 7112 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrX)); 7113 tcg_gen_andi_tl(arg, arg, ~0xffff); 7114 register_name = "BadInstrX"; 7115 break; 7116 default: 7117 goto cp0_unimplemented; 7118 } 7119 break; 7120 case CP0_REGISTER_09: 7121 switch (sel) { 7122 case CP0_REG09__COUNT: 7123 /* Mark as an IO operation because we read the time. */ 7124 translator_io_start(&ctx->base); 7125 gen_helper_mfc0_count(arg, tcg_env); 7126 /* 7127 * Break the TB to be able to take timer interrupts immediately 7128 * after reading count. DISAS_STOP isn't sufficient, we need to 7129 * ensure we break completely out of translated code. 7130 */ 7131 gen_save_pc(ctx->base.pc_next + 4); 7132 ctx->base.is_jmp = DISAS_EXIT; 7133 register_name = "Count"; 7134 break; 7135 default: 7136 goto cp0_unimplemented; 7137 } 7138 break; 7139 case CP0_REGISTER_10: 7140 switch (sel) { 7141 case CP0_REG10__ENTRYHI: 7142 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EntryHi)); 7143 register_name = "EntryHi"; 7144 break; 7145 default: 7146 goto cp0_unimplemented; 7147 } 7148 break; 7149 case CP0_REGISTER_11: 7150 switch (sel) { 7151 case CP0_REG11__COMPARE: 7152 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Compare)); 7153 register_name = "Compare"; 7154 break; 7155 /* 6,7 are implementation dependent */ 7156 default: 7157 goto cp0_unimplemented; 7158 } 7159 break; 7160 case CP0_REGISTER_12: 7161 switch (sel) { 7162 case CP0_REG12__STATUS: 7163 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status)); 7164 register_name = "Status"; 7165 break; 7166 case CP0_REG12__INTCTL: 7167 check_insn(ctx, ISA_MIPS_R2); 7168 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl)); 7169 register_name = "IntCtl"; 7170 break; 7171 case CP0_REG12__SRSCTL: 7172 check_insn(ctx, ISA_MIPS_R2); 7173 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl)); 7174 register_name = "SRSCtl"; 7175 break; 7176 case CP0_REG12__SRSMAP: 7177 check_insn(ctx, ISA_MIPS_R2); 7178 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap)); 7179 register_name = "SRSMap"; 7180 break; 7181 default: 7182 goto cp0_unimplemented; 7183 } 7184 break; 7185 case CP0_REGISTER_13: 7186 switch (sel) { 7187 case CP0_REG13__CAUSE: 7188 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause)); 7189 register_name = "Cause"; 7190 break; 7191 default: 7192 goto cp0_unimplemented; 7193 } 7194 break; 7195 case CP0_REGISTER_14: 7196 switch (sel) { 7197 case CP0_REG14__EPC: 7198 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC)); 7199 register_name = "EPC"; 7200 break; 7201 default: 7202 goto cp0_unimplemented; 7203 } 7204 break; 7205 case CP0_REGISTER_15: 7206 switch (sel) { 7207 case CP0_REG15__PRID: 7208 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PRid)); 7209 register_name = "PRid"; 7210 break; 7211 case CP0_REG15__EBASE: 7212 check_insn(ctx, ISA_MIPS_R2); 7213 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EBase)); 7214 register_name = "EBase"; 7215 break; 7216 case CP0_REG15__CMGCRBASE: 7217 check_insn(ctx, ISA_MIPS_R2); 7218 CP0_CHECK(ctx->cmgcr); 7219 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_CMGCRBase)); 7220 register_name = "CMGCRBase"; 7221 break; 7222 default: 7223 goto cp0_unimplemented; 7224 } 7225 break; 7226 case CP0_REGISTER_16: 7227 switch (sel) { 7228 case CP0_REG16__CONFIG: 7229 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config0)); 7230 register_name = "Config"; 7231 break; 7232 case CP0_REG16__CONFIG1: 7233 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config1)); 7234 register_name = "Config1"; 7235 break; 7236 case CP0_REG16__CONFIG2: 7237 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config2)); 7238 register_name = "Config2"; 7239 break; 7240 case CP0_REG16__CONFIG3: 7241 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config3)); 7242 register_name = "Config3"; 7243 break; 7244 case CP0_REG16__CONFIG4: 7245 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4)); 7246 register_name = "Config4"; 7247 break; 7248 case CP0_REG16__CONFIG5: 7249 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5)); 7250 register_name = "Config5"; 7251 break; 7252 /* 6,7 are implementation dependent */ 7253 case CP0_REG16__CONFIG6: 7254 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6)); 7255 register_name = "Config6"; 7256 break; 7257 case CP0_REG16__CONFIG7: 7258 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config7)); 7259 register_name = "Config7"; 7260 break; 7261 default: 7262 goto cp0_unimplemented; 7263 } 7264 break; 7265 case CP0_REGISTER_17: 7266 switch (sel) { 7267 case CP0_REG17__LLADDR: 7268 gen_helper_dmfc0_lladdr(arg, tcg_env); 7269 register_name = "LLAddr"; 7270 break; 7271 case CP0_REG17__MAAR: 7272 CP0_CHECK(ctx->mrp); 7273 gen_helper_dmfc0_maar(arg, tcg_env); 7274 register_name = "MAAR"; 7275 break; 7276 case CP0_REG17__MAARI: 7277 CP0_CHECK(ctx->mrp); 7278 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MAARI)); 7279 register_name = "MAARI"; 7280 break; 7281 default: 7282 goto cp0_unimplemented; 7283 } 7284 break; 7285 case CP0_REGISTER_18: 7286 switch (sel) { 7287 case CP0_REG18__WATCHLO0: 7288 case CP0_REG18__WATCHLO1: 7289 case CP0_REG18__WATCHLO2: 7290 case CP0_REG18__WATCHLO3: 7291 case CP0_REG18__WATCHLO4: 7292 case CP0_REG18__WATCHLO5: 7293 case CP0_REG18__WATCHLO6: 7294 case CP0_REG18__WATCHLO7: 7295 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 7296 gen_helper_1e0i(dmfc0_watchlo, arg, sel); 7297 register_name = "WatchLo"; 7298 break; 7299 default: 7300 goto cp0_unimplemented; 7301 } 7302 break; 7303 case CP0_REGISTER_19: 7304 switch (sel) { 7305 case CP0_REG19__WATCHHI0: 7306 case CP0_REG19__WATCHHI1: 7307 case CP0_REG19__WATCHHI2: 7308 case CP0_REG19__WATCHHI3: 7309 case CP0_REG19__WATCHHI4: 7310 case CP0_REG19__WATCHHI5: 7311 case CP0_REG19__WATCHHI6: 7312 case CP0_REG19__WATCHHI7: 7313 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 7314 gen_helper_1e0i(dmfc0_watchhi, arg, sel); 7315 register_name = "WatchHi"; 7316 break; 7317 default: 7318 goto cp0_unimplemented; 7319 } 7320 break; 7321 case CP0_REGISTER_20: 7322 switch (sel) { 7323 case CP0_REG20__XCONTEXT: 7324 check_insn(ctx, ISA_MIPS3); 7325 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_XContext)); 7326 register_name = "XContext"; 7327 break; 7328 default: 7329 goto cp0_unimplemented; 7330 } 7331 break; 7332 case CP0_REGISTER_21: 7333 /* Officially reserved, but sel 0 is used for R1x000 framemask */ 7334 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 7335 switch (sel) { 7336 case 0: 7337 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Framemask)); 7338 register_name = "Framemask"; 7339 break; 7340 default: 7341 goto cp0_unimplemented; 7342 } 7343 break; 7344 case CP0_REGISTER_22: 7345 tcg_gen_movi_tl(arg, 0); /* unimplemented */ 7346 register_name = "'Diagnostic"; /* implementation dependent */ 7347 break; 7348 case CP0_REGISTER_23: 7349 switch (sel) { 7350 case CP0_REG23__DEBUG: 7351 gen_helper_mfc0_debug(arg, tcg_env); /* EJTAG support */ 7352 register_name = "Debug"; 7353 break; 7354 case CP0_REG23__TRACECONTROL: 7355 /* PDtrace support */ 7356 /* gen_helper_dmfc0_tracecontrol(arg, tcg_env); */ 7357 register_name = "TraceControl"; 7358 goto cp0_unimplemented; 7359 case CP0_REG23__TRACECONTROL2: 7360 /* PDtrace support */ 7361 /* gen_helper_dmfc0_tracecontrol2(arg, tcg_env); */ 7362 register_name = "TraceControl2"; 7363 goto cp0_unimplemented; 7364 case CP0_REG23__USERTRACEDATA1: 7365 /* PDtrace support */ 7366 /* gen_helper_dmfc0_usertracedata1(arg, tcg_env);*/ 7367 register_name = "UserTraceData1"; 7368 goto cp0_unimplemented; 7369 case CP0_REG23__TRACEIBPC: 7370 /* PDtrace support */ 7371 /* gen_helper_dmfc0_traceibpc(arg, tcg_env); */ 7372 register_name = "TraceIBPC"; 7373 goto cp0_unimplemented; 7374 case CP0_REG23__TRACEDBPC: 7375 /* PDtrace support */ 7376 /* gen_helper_dmfc0_tracedbpc(arg, tcg_env); */ 7377 register_name = "TraceDBPC"; 7378 goto cp0_unimplemented; 7379 default: 7380 goto cp0_unimplemented; 7381 } 7382 break; 7383 case CP0_REGISTER_24: 7384 switch (sel) { 7385 case CP0_REG24__DEPC: 7386 /* EJTAG support */ 7387 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC)); 7388 register_name = "DEPC"; 7389 break; 7390 default: 7391 goto cp0_unimplemented; 7392 } 7393 break; 7394 case CP0_REGISTER_25: 7395 switch (sel) { 7396 case CP0_REG25__PERFCTL0: 7397 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Performance0)); 7398 register_name = "Performance0"; 7399 break; 7400 case CP0_REG25__PERFCNT0: 7401 /* gen_helper_dmfc0_performance1(arg); */ 7402 register_name = "Performance1"; 7403 goto cp0_unimplemented; 7404 case CP0_REG25__PERFCTL1: 7405 /* gen_helper_dmfc0_performance2(arg); */ 7406 register_name = "Performance2"; 7407 goto cp0_unimplemented; 7408 case CP0_REG25__PERFCNT1: 7409 /* gen_helper_dmfc0_performance3(arg); */ 7410 register_name = "Performance3"; 7411 goto cp0_unimplemented; 7412 case CP0_REG25__PERFCTL2: 7413 /* gen_helper_dmfc0_performance4(arg); */ 7414 register_name = "Performance4"; 7415 goto cp0_unimplemented; 7416 case CP0_REG25__PERFCNT2: 7417 /* gen_helper_dmfc0_performance5(arg); */ 7418 register_name = "Performance5"; 7419 goto cp0_unimplemented; 7420 case CP0_REG25__PERFCTL3: 7421 /* gen_helper_dmfc0_performance6(arg); */ 7422 register_name = "Performance6"; 7423 goto cp0_unimplemented; 7424 case CP0_REG25__PERFCNT3: 7425 /* gen_helper_dmfc0_performance7(arg); */ 7426 register_name = "Performance7"; 7427 goto cp0_unimplemented; 7428 default: 7429 goto cp0_unimplemented; 7430 } 7431 break; 7432 case CP0_REGISTER_26: 7433 switch (sel) { 7434 case CP0_REG26__ERRCTL: 7435 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_ErrCtl)); 7436 register_name = "ErrCtl"; 7437 break; 7438 default: 7439 goto cp0_unimplemented; 7440 } 7441 break; 7442 case CP0_REGISTER_27: 7443 switch (sel) { 7444 /* ignored */ 7445 case CP0_REG27__CACHERR: 7446 tcg_gen_movi_tl(arg, 0); /* unimplemented */ 7447 register_name = "CacheErr"; 7448 break; 7449 default: 7450 goto cp0_unimplemented; 7451 } 7452 break; 7453 case CP0_REGISTER_28: 7454 switch (sel) { 7455 case CP0_REG28__TAGLO: 7456 case CP0_REG28__TAGLO1: 7457 case CP0_REG28__TAGLO2: 7458 case CP0_REG28__TAGLO3: 7459 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagLo)); 7460 register_name = "TagLo"; 7461 break; 7462 case CP0_REG28__DATALO: 7463 case CP0_REG28__DATALO1: 7464 case CP0_REG28__DATALO2: 7465 case CP0_REG28__DATALO3: 7466 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataLo)); 7467 register_name = "DataLo"; 7468 break; 7469 default: 7470 goto cp0_unimplemented; 7471 } 7472 break; 7473 case CP0_REGISTER_29: 7474 switch (sel) { 7475 case CP0_REG29__TAGHI: 7476 case CP0_REG29__TAGHI1: 7477 case CP0_REG29__TAGHI2: 7478 case CP0_REG29__TAGHI3: 7479 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagHi)); 7480 register_name = "TagHi"; 7481 break; 7482 case CP0_REG29__DATAHI: 7483 case CP0_REG29__DATAHI1: 7484 case CP0_REG29__DATAHI2: 7485 case CP0_REG29__DATAHI3: 7486 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataHi)); 7487 register_name = "DataHi"; 7488 break; 7489 default: 7490 goto cp0_unimplemented; 7491 } 7492 break; 7493 case CP0_REGISTER_30: 7494 switch (sel) { 7495 case CP0_REG30__ERROREPC: 7496 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC)); 7497 register_name = "ErrorEPC"; 7498 break; 7499 default: 7500 goto cp0_unimplemented; 7501 } 7502 break; 7503 case CP0_REGISTER_31: 7504 switch (sel) { 7505 case CP0_REG31__DESAVE: 7506 /* EJTAG support */ 7507 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE)); 7508 register_name = "DESAVE"; 7509 break; 7510 case CP0_REG31__KSCRATCH1: 7511 case CP0_REG31__KSCRATCH2: 7512 case CP0_REG31__KSCRATCH3: 7513 case CP0_REG31__KSCRATCH4: 7514 case CP0_REG31__KSCRATCH5: 7515 case CP0_REG31__KSCRATCH6: 7516 CP0_CHECK(ctx->kscrexist & (1 << sel)); 7517 tcg_gen_ld_tl(arg, tcg_env, 7518 offsetof(CPUMIPSState, CP0_KScratch[sel - 2])); 7519 register_name = "KScratch"; 7520 break; 7521 default: 7522 goto cp0_unimplemented; 7523 } 7524 break; 7525 default: 7526 goto cp0_unimplemented; 7527 } 7528 trace_mips_translate_c0("dmfc0", register_name, reg, sel); 7529 return; 7530 7531 cp0_unimplemented: 7532 qemu_log_mask(LOG_UNIMP, "dmfc0 %s (reg %d sel %d)\n", 7533 register_name, reg, sel); 7534 gen_mfc0_unimplemented(ctx, arg); 7535 } 7536 7537 static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel) 7538 { 7539 const char *register_name = "invalid"; 7540 bool icount; 7541 7542 if (sel != 0) { 7543 check_insn(ctx, ISA_MIPS_R1); 7544 } 7545 7546 icount = translator_io_start(&ctx->base); 7547 7548 switch (reg) { 7549 case CP0_REGISTER_00: 7550 switch (sel) { 7551 case CP0_REG00__INDEX: 7552 gen_helper_mtc0_index(tcg_env, arg); 7553 register_name = "Index"; 7554 break; 7555 case CP0_REG00__MVPCONTROL: 7556 CP0_CHECK(ctx->insn_flags & ASE_MT); 7557 gen_helper_mtc0_mvpcontrol(tcg_env, arg); 7558 register_name = "MVPControl"; 7559 break; 7560 case CP0_REG00__MVPCONF0: 7561 CP0_CHECK(ctx->insn_flags & ASE_MT); 7562 /* ignored */ 7563 register_name = "MVPConf0"; 7564 break; 7565 case CP0_REG00__MVPCONF1: 7566 CP0_CHECK(ctx->insn_flags & ASE_MT); 7567 /* ignored */ 7568 register_name = "MVPConf1"; 7569 break; 7570 case CP0_REG00__VPCONTROL: 7571 CP0_CHECK(ctx->vp); 7572 /* ignored */ 7573 register_name = "VPControl"; 7574 break; 7575 default: 7576 goto cp0_unimplemented; 7577 } 7578 break; 7579 case CP0_REGISTER_01: 7580 switch (sel) { 7581 case CP0_REG01__RANDOM: 7582 /* ignored */ 7583 register_name = "Random"; 7584 break; 7585 case CP0_REG01__VPECONTROL: 7586 CP0_CHECK(ctx->insn_flags & ASE_MT); 7587 gen_helper_mtc0_vpecontrol(tcg_env, arg); 7588 register_name = "VPEControl"; 7589 break; 7590 case CP0_REG01__VPECONF0: 7591 CP0_CHECK(ctx->insn_flags & ASE_MT); 7592 gen_helper_mtc0_vpeconf0(tcg_env, arg); 7593 register_name = "VPEConf0"; 7594 break; 7595 case CP0_REG01__VPECONF1: 7596 CP0_CHECK(ctx->insn_flags & ASE_MT); 7597 gen_helper_mtc0_vpeconf1(tcg_env, arg); 7598 register_name = "VPEConf1"; 7599 break; 7600 case CP0_REG01__YQMASK: 7601 CP0_CHECK(ctx->insn_flags & ASE_MT); 7602 gen_helper_mtc0_yqmask(tcg_env, arg); 7603 register_name = "YQMask"; 7604 break; 7605 case CP0_REG01__VPESCHEDULE: 7606 CP0_CHECK(ctx->insn_flags & ASE_MT); 7607 tcg_gen_st_tl(arg, tcg_env, 7608 offsetof(CPUMIPSState, CP0_VPESchedule)); 7609 register_name = "VPESchedule"; 7610 break; 7611 case CP0_REG01__VPESCHEFBACK: 7612 CP0_CHECK(ctx->insn_flags & ASE_MT); 7613 tcg_gen_st_tl(arg, tcg_env, 7614 offsetof(CPUMIPSState, CP0_VPEScheFBack)); 7615 register_name = "VPEScheFBack"; 7616 break; 7617 case CP0_REG01__VPEOPT: 7618 CP0_CHECK(ctx->insn_flags & ASE_MT); 7619 gen_helper_mtc0_vpeopt(tcg_env, arg); 7620 register_name = "VPEOpt"; 7621 break; 7622 default: 7623 goto cp0_unimplemented; 7624 } 7625 break; 7626 case CP0_REGISTER_02: 7627 switch (sel) { 7628 case CP0_REG02__ENTRYLO0: 7629 gen_helper_dmtc0_entrylo0(tcg_env, arg); 7630 register_name = "EntryLo0"; 7631 break; 7632 case CP0_REG02__TCSTATUS: 7633 CP0_CHECK(ctx->insn_flags & ASE_MT); 7634 gen_helper_mtc0_tcstatus(tcg_env, arg); 7635 register_name = "TCStatus"; 7636 break; 7637 case CP0_REG02__TCBIND: 7638 CP0_CHECK(ctx->insn_flags & ASE_MT); 7639 gen_helper_mtc0_tcbind(tcg_env, arg); 7640 register_name = "TCBind"; 7641 break; 7642 case CP0_REG02__TCRESTART: 7643 CP0_CHECK(ctx->insn_flags & ASE_MT); 7644 gen_helper_mtc0_tcrestart(tcg_env, arg); 7645 register_name = "TCRestart"; 7646 break; 7647 case CP0_REG02__TCHALT: 7648 CP0_CHECK(ctx->insn_flags & ASE_MT); 7649 gen_helper_mtc0_tchalt(tcg_env, arg); 7650 register_name = "TCHalt"; 7651 break; 7652 case CP0_REG02__TCCONTEXT: 7653 CP0_CHECK(ctx->insn_flags & ASE_MT); 7654 gen_helper_mtc0_tccontext(tcg_env, arg); 7655 register_name = "TCContext"; 7656 break; 7657 case CP0_REG02__TCSCHEDULE: 7658 CP0_CHECK(ctx->insn_flags & ASE_MT); 7659 gen_helper_mtc0_tcschedule(tcg_env, arg); 7660 register_name = "TCSchedule"; 7661 break; 7662 case CP0_REG02__TCSCHEFBACK: 7663 CP0_CHECK(ctx->insn_flags & ASE_MT); 7664 gen_helper_mtc0_tcschefback(tcg_env, arg); 7665 register_name = "TCScheFBack"; 7666 break; 7667 default: 7668 goto cp0_unimplemented; 7669 } 7670 break; 7671 case CP0_REGISTER_03: 7672 switch (sel) { 7673 case CP0_REG03__ENTRYLO1: 7674 gen_helper_dmtc0_entrylo1(tcg_env, arg); 7675 register_name = "EntryLo1"; 7676 break; 7677 case CP0_REG03__GLOBALNUM: 7678 CP0_CHECK(ctx->vp); 7679 /* ignored */ 7680 register_name = "GlobalNumber"; 7681 break; 7682 default: 7683 goto cp0_unimplemented; 7684 } 7685 break; 7686 case CP0_REGISTER_04: 7687 switch (sel) { 7688 case CP0_REG04__CONTEXT: 7689 gen_helper_mtc0_context(tcg_env, arg); 7690 register_name = "Context"; 7691 break; 7692 case CP0_REG04__CONTEXTCONFIG: 7693 /* SmartMIPS ASE */ 7694 /* gen_helper_dmtc0_contextconfig(arg); */ 7695 register_name = "ContextConfig"; 7696 goto cp0_unimplemented; 7697 case CP0_REG04__USERLOCAL: 7698 CP0_CHECK(ctx->ulri); 7699 tcg_gen_st_tl(arg, tcg_env, 7700 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 7701 register_name = "UserLocal"; 7702 break; 7703 case CP0_REG04__MMID: 7704 CP0_CHECK(ctx->mi); 7705 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MemoryMapID)); 7706 register_name = "MMID"; 7707 break; 7708 default: 7709 goto cp0_unimplemented; 7710 } 7711 break; 7712 case CP0_REGISTER_05: 7713 switch (sel) { 7714 case CP0_REG05__PAGEMASK: 7715 gen_helper_mtc0_pagemask(tcg_env, arg); 7716 register_name = "PageMask"; 7717 break; 7718 case CP0_REG05__PAGEGRAIN: 7719 check_insn(ctx, ISA_MIPS_R2); 7720 gen_helper_mtc0_pagegrain(tcg_env, arg); 7721 register_name = "PageGrain"; 7722 break; 7723 case CP0_REG05__SEGCTL0: 7724 CP0_CHECK(ctx->sc); 7725 gen_helper_mtc0_segctl0(tcg_env, arg); 7726 register_name = "SegCtl0"; 7727 break; 7728 case CP0_REG05__SEGCTL1: 7729 CP0_CHECK(ctx->sc); 7730 gen_helper_mtc0_segctl1(tcg_env, arg); 7731 register_name = "SegCtl1"; 7732 break; 7733 case CP0_REG05__SEGCTL2: 7734 CP0_CHECK(ctx->sc); 7735 gen_helper_mtc0_segctl2(tcg_env, arg); 7736 register_name = "SegCtl2"; 7737 break; 7738 case CP0_REG05__PWBASE: 7739 check_pw(ctx); 7740 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWBase)); 7741 register_name = "PWBase"; 7742 break; 7743 case CP0_REG05__PWFIELD: 7744 check_pw(ctx); 7745 gen_helper_mtc0_pwfield(tcg_env, arg); 7746 register_name = "PWField"; 7747 break; 7748 case CP0_REG05__PWSIZE: 7749 check_pw(ctx); 7750 gen_helper_mtc0_pwsize(tcg_env, arg); 7751 register_name = "PWSize"; 7752 break; 7753 default: 7754 goto cp0_unimplemented; 7755 } 7756 break; 7757 case CP0_REGISTER_06: 7758 switch (sel) { 7759 case CP0_REG06__WIRED: 7760 gen_helper_mtc0_wired(tcg_env, arg); 7761 register_name = "Wired"; 7762 break; 7763 case CP0_REG06__SRSCONF0: 7764 check_insn(ctx, ISA_MIPS_R2); 7765 gen_helper_mtc0_srsconf0(tcg_env, arg); 7766 register_name = "SRSConf0"; 7767 break; 7768 case CP0_REG06__SRSCONF1: 7769 check_insn(ctx, ISA_MIPS_R2); 7770 gen_helper_mtc0_srsconf1(tcg_env, arg); 7771 register_name = "SRSConf1"; 7772 break; 7773 case CP0_REG06__SRSCONF2: 7774 check_insn(ctx, ISA_MIPS_R2); 7775 gen_helper_mtc0_srsconf2(tcg_env, arg); 7776 register_name = "SRSConf2"; 7777 break; 7778 case CP0_REG06__SRSCONF3: 7779 check_insn(ctx, ISA_MIPS_R2); 7780 gen_helper_mtc0_srsconf3(tcg_env, arg); 7781 register_name = "SRSConf3"; 7782 break; 7783 case CP0_REG06__SRSCONF4: 7784 check_insn(ctx, ISA_MIPS_R2); 7785 gen_helper_mtc0_srsconf4(tcg_env, arg); 7786 register_name = "SRSConf4"; 7787 break; 7788 case CP0_REG06__PWCTL: 7789 check_pw(ctx); 7790 gen_helper_mtc0_pwctl(tcg_env, arg); 7791 register_name = "PWCtl"; 7792 break; 7793 default: 7794 goto cp0_unimplemented; 7795 } 7796 break; 7797 case CP0_REGISTER_07: 7798 switch (sel) { 7799 case CP0_REG07__HWRENA: 7800 check_insn(ctx, ISA_MIPS_R2); 7801 gen_helper_mtc0_hwrena(tcg_env, arg); 7802 ctx->base.is_jmp = DISAS_STOP; 7803 register_name = "HWREna"; 7804 break; 7805 default: 7806 goto cp0_unimplemented; 7807 } 7808 break; 7809 case CP0_REGISTER_08: 7810 switch (sel) { 7811 case CP0_REG08__BADVADDR: 7812 /* ignored */ 7813 register_name = "BadVAddr"; 7814 break; 7815 case CP0_REG08__BADINSTR: 7816 /* ignored */ 7817 register_name = "BadInstr"; 7818 break; 7819 case CP0_REG08__BADINSTRP: 7820 /* ignored */ 7821 register_name = "BadInstrP"; 7822 break; 7823 case CP0_REG08__BADINSTRX: 7824 /* ignored */ 7825 register_name = "BadInstrX"; 7826 break; 7827 default: 7828 goto cp0_unimplemented; 7829 } 7830 break; 7831 case CP0_REGISTER_09: 7832 switch (sel) { 7833 case CP0_REG09__COUNT: 7834 gen_helper_mtc0_count(tcg_env, arg); 7835 register_name = "Count"; 7836 break; 7837 default: 7838 goto cp0_unimplemented; 7839 } 7840 /* Stop translation as we may have switched the execution mode */ 7841 ctx->base.is_jmp = DISAS_STOP; 7842 break; 7843 case CP0_REGISTER_10: 7844 switch (sel) { 7845 case CP0_REG10__ENTRYHI: 7846 gen_helper_mtc0_entryhi(tcg_env, arg); 7847 register_name = "EntryHi"; 7848 break; 7849 default: 7850 goto cp0_unimplemented; 7851 } 7852 break; 7853 case CP0_REGISTER_11: 7854 switch (sel) { 7855 case CP0_REG11__COMPARE: 7856 gen_helper_mtc0_compare(tcg_env, arg); 7857 register_name = "Compare"; 7858 break; 7859 /* 6,7 are implementation dependent */ 7860 default: 7861 goto cp0_unimplemented; 7862 } 7863 /* Stop translation as we may have switched the execution mode */ 7864 ctx->base.is_jmp = DISAS_STOP; 7865 break; 7866 case CP0_REGISTER_12: 7867 switch (sel) { 7868 case CP0_REG12__STATUS: 7869 save_cpu_state(ctx, 1); 7870 gen_helper_mtc0_status(tcg_env, arg); 7871 /* DISAS_STOP isn't good enough here, hflags may have changed. */ 7872 gen_save_pc(ctx->base.pc_next + 4); 7873 ctx->base.is_jmp = DISAS_EXIT; 7874 register_name = "Status"; 7875 break; 7876 case CP0_REG12__INTCTL: 7877 check_insn(ctx, ISA_MIPS_R2); 7878 gen_helper_mtc0_intctl(tcg_env, arg); 7879 /* Stop translation as we may have switched the execution mode */ 7880 ctx->base.is_jmp = DISAS_STOP; 7881 register_name = "IntCtl"; 7882 break; 7883 case CP0_REG12__SRSCTL: 7884 check_insn(ctx, ISA_MIPS_R2); 7885 gen_helper_mtc0_srsctl(tcg_env, arg); 7886 /* Stop translation as we may have switched the execution mode */ 7887 ctx->base.is_jmp = DISAS_STOP; 7888 register_name = "SRSCtl"; 7889 break; 7890 case CP0_REG12__SRSMAP: 7891 check_insn(ctx, ISA_MIPS_R2); 7892 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap)); 7893 /* Stop translation as we may have switched the execution mode */ 7894 ctx->base.is_jmp = DISAS_STOP; 7895 register_name = "SRSMap"; 7896 break; 7897 default: 7898 goto cp0_unimplemented; 7899 } 7900 break; 7901 case CP0_REGISTER_13: 7902 switch (sel) { 7903 case CP0_REG13__CAUSE: 7904 save_cpu_state(ctx, 1); 7905 gen_helper_mtc0_cause(tcg_env, arg); 7906 /* 7907 * Stop translation as we may have triggered an interrupt. 7908 * DISAS_STOP isn't sufficient, we need to ensure we break out of 7909 * translated code to check for pending interrupts. 7910 */ 7911 gen_save_pc(ctx->base.pc_next + 4); 7912 ctx->base.is_jmp = DISAS_EXIT; 7913 register_name = "Cause"; 7914 break; 7915 default: 7916 goto cp0_unimplemented; 7917 } 7918 break; 7919 case CP0_REGISTER_14: 7920 switch (sel) { 7921 case CP0_REG14__EPC: 7922 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC)); 7923 register_name = "EPC"; 7924 break; 7925 default: 7926 goto cp0_unimplemented; 7927 } 7928 break; 7929 case CP0_REGISTER_15: 7930 switch (sel) { 7931 case CP0_REG15__PRID: 7932 /* ignored */ 7933 register_name = "PRid"; 7934 break; 7935 case CP0_REG15__EBASE: 7936 check_insn(ctx, ISA_MIPS_R2); 7937 gen_helper_mtc0_ebase(tcg_env, arg); 7938 register_name = "EBase"; 7939 break; 7940 default: 7941 goto cp0_unimplemented; 7942 } 7943 break; 7944 case CP0_REGISTER_16: 7945 switch (sel) { 7946 case CP0_REG16__CONFIG: 7947 gen_helper_mtc0_config0(tcg_env, arg); 7948 register_name = "Config"; 7949 /* Stop translation as we may have switched the execution mode */ 7950 ctx->base.is_jmp = DISAS_STOP; 7951 break; 7952 case CP0_REG16__CONFIG1: 7953 /* ignored, read only */ 7954 register_name = "Config1"; 7955 break; 7956 case CP0_REG16__CONFIG2: 7957 gen_helper_mtc0_config2(tcg_env, arg); 7958 register_name = "Config2"; 7959 /* Stop translation as we may have switched the execution mode */ 7960 ctx->base.is_jmp = DISAS_STOP; 7961 break; 7962 case CP0_REG16__CONFIG3: 7963 gen_helper_mtc0_config3(tcg_env, arg); 7964 register_name = "Config3"; 7965 /* Stop translation as we may have switched the execution mode */ 7966 ctx->base.is_jmp = DISAS_STOP; 7967 break; 7968 case CP0_REG16__CONFIG4: 7969 /* currently ignored */ 7970 register_name = "Config4"; 7971 break; 7972 case CP0_REG16__CONFIG5: 7973 gen_helper_mtc0_config5(tcg_env, arg); 7974 register_name = "Config5"; 7975 /* Stop translation as we may have switched the execution mode */ 7976 ctx->base.is_jmp = DISAS_STOP; 7977 break; 7978 /* 6,7 are implementation dependent */ 7979 default: 7980 register_name = "Invalid config selector"; 7981 goto cp0_unimplemented; 7982 } 7983 break; 7984 case CP0_REGISTER_17: 7985 switch (sel) { 7986 case CP0_REG17__LLADDR: 7987 gen_helper_mtc0_lladdr(tcg_env, arg); 7988 register_name = "LLAddr"; 7989 break; 7990 case CP0_REG17__MAAR: 7991 CP0_CHECK(ctx->mrp); 7992 gen_helper_mtc0_maar(tcg_env, arg); 7993 register_name = "MAAR"; 7994 break; 7995 case CP0_REG17__MAARI: 7996 CP0_CHECK(ctx->mrp); 7997 gen_helper_mtc0_maari(tcg_env, arg); 7998 register_name = "MAARI"; 7999 break; 8000 default: 8001 goto cp0_unimplemented; 8002 } 8003 break; 8004 case CP0_REGISTER_18: 8005 switch (sel) { 8006 case CP0_REG18__WATCHLO0: 8007 case CP0_REG18__WATCHLO1: 8008 case CP0_REG18__WATCHLO2: 8009 case CP0_REG18__WATCHLO3: 8010 case CP0_REG18__WATCHLO4: 8011 case CP0_REG18__WATCHLO5: 8012 case CP0_REG18__WATCHLO6: 8013 case CP0_REG18__WATCHLO7: 8014 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 8015 gen_helper_0e1i(mtc0_watchlo, arg, sel); 8016 register_name = "WatchLo"; 8017 break; 8018 default: 8019 goto cp0_unimplemented; 8020 } 8021 break; 8022 case CP0_REGISTER_19: 8023 switch (sel) { 8024 case CP0_REG19__WATCHHI0: 8025 case CP0_REG19__WATCHHI1: 8026 case CP0_REG19__WATCHHI2: 8027 case CP0_REG19__WATCHHI3: 8028 case CP0_REG19__WATCHHI4: 8029 case CP0_REG19__WATCHHI5: 8030 case CP0_REG19__WATCHHI6: 8031 case CP0_REG19__WATCHHI7: 8032 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 8033 gen_helper_0e1i(mtc0_watchhi, arg, sel); 8034 register_name = "WatchHi"; 8035 break; 8036 default: 8037 goto cp0_unimplemented; 8038 } 8039 break; 8040 case CP0_REGISTER_20: 8041 switch (sel) { 8042 case CP0_REG20__XCONTEXT: 8043 check_insn(ctx, ISA_MIPS3); 8044 gen_helper_mtc0_xcontext(tcg_env, arg); 8045 register_name = "XContext"; 8046 break; 8047 default: 8048 goto cp0_unimplemented; 8049 } 8050 break; 8051 case CP0_REGISTER_21: 8052 /* Officially reserved, but sel 0 is used for R1x000 framemask */ 8053 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 8054 switch (sel) { 8055 case 0: 8056 gen_helper_mtc0_framemask(tcg_env, arg); 8057 register_name = "Framemask"; 8058 break; 8059 default: 8060 goto cp0_unimplemented; 8061 } 8062 break; 8063 case CP0_REGISTER_22: 8064 /* ignored */ 8065 register_name = "Diagnostic"; /* implementation dependent */ 8066 break; 8067 case CP0_REGISTER_23: 8068 switch (sel) { 8069 case CP0_REG23__DEBUG: 8070 gen_helper_mtc0_debug(tcg_env, arg); /* EJTAG support */ 8071 /* DISAS_STOP isn't good enough here, hflags may have changed. */ 8072 gen_save_pc(ctx->base.pc_next + 4); 8073 ctx->base.is_jmp = DISAS_EXIT; 8074 register_name = "Debug"; 8075 break; 8076 case CP0_REG23__TRACECONTROL: 8077 /* PDtrace support */ 8078 /* gen_helper_mtc0_tracecontrol(tcg_env, arg); */ 8079 /* Stop translation as we may have switched the execution mode */ 8080 ctx->base.is_jmp = DISAS_STOP; 8081 register_name = "TraceControl"; 8082 goto cp0_unimplemented; 8083 case CP0_REG23__TRACECONTROL2: 8084 /* PDtrace support */ 8085 /* gen_helper_mtc0_tracecontrol2(tcg_env, arg); */ 8086 /* Stop translation as we may have switched the execution mode */ 8087 ctx->base.is_jmp = DISAS_STOP; 8088 register_name = "TraceControl2"; 8089 goto cp0_unimplemented; 8090 case CP0_REG23__USERTRACEDATA1: 8091 /* PDtrace support */ 8092 /* gen_helper_mtc0_usertracedata1(tcg_env, arg);*/ 8093 /* Stop translation as we may have switched the execution mode */ 8094 ctx->base.is_jmp = DISAS_STOP; 8095 register_name = "UserTraceData1"; 8096 goto cp0_unimplemented; 8097 case CP0_REG23__TRACEIBPC: 8098 /* PDtrace support */ 8099 /* gen_helper_mtc0_traceibpc(tcg_env, arg); */ 8100 /* Stop translation as we may have switched the execution mode */ 8101 ctx->base.is_jmp = DISAS_STOP; 8102 register_name = "TraceIBPC"; 8103 goto cp0_unimplemented; 8104 case CP0_REG23__TRACEDBPC: 8105 /* PDtrace support */ 8106 /* gen_helper_mtc0_tracedbpc(tcg_env, arg); */ 8107 /* Stop translation as we may have switched the execution mode */ 8108 ctx->base.is_jmp = DISAS_STOP; 8109 register_name = "TraceDBPC"; 8110 goto cp0_unimplemented; 8111 default: 8112 goto cp0_unimplemented; 8113 } 8114 break; 8115 case CP0_REGISTER_24: 8116 switch (sel) { 8117 case CP0_REG24__DEPC: 8118 /* EJTAG support */ 8119 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC)); 8120 register_name = "DEPC"; 8121 break; 8122 default: 8123 goto cp0_unimplemented; 8124 } 8125 break; 8126 case CP0_REGISTER_25: 8127 switch (sel) { 8128 case CP0_REG25__PERFCTL0: 8129 gen_helper_mtc0_performance0(tcg_env, arg); 8130 register_name = "Performance0"; 8131 break; 8132 case CP0_REG25__PERFCNT0: 8133 /* gen_helper_mtc0_performance1(tcg_env, arg); */ 8134 register_name = "Performance1"; 8135 goto cp0_unimplemented; 8136 case CP0_REG25__PERFCTL1: 8137 /* gen_helper_mtc0_performance2(tcg_env, arg); */ 8138 register_name = "Performance2"; 8139 goto cp0_unimplemented; 8140 case CP0_REG25__PERFCNT1: 8141 /* gen_helper_mtc0_performance3(tcg_env, arg); */ 8142 register_name = "Performance3"; 8143 goto cp0_unimplemented; 8144 case CP0_REG25__PERFCTL2: 8145 /* gen_helper_mtc0_performance4(tcg_env, arg); */ 8146 register_name = "Performance4"; 8147 goto cp0_unimplemented; 8148 case CP0_REG25__PERFCNT2: 8149 /* gen_helper_mtc0_performance5(tcg_env, arg); */ 8150 register_name = "Performance5"; 8151 goto cp0_unimplemented; 8152 case CP0_REG25__PERFCTL3: 8153 /* gen_helper_mtc0_performance6(tcg_env, arg); */ 8154 register_name = "Performance6"; 8155 goto cp0_unimplemented; 8156 case CP0_REG25__PERFCNT3: 8157 /* gen_helper_mtc0_performance7(tcg_env, arg); */ 8158 register_name = "Performance7"; 8159 goto cp0_unimplemented; 8160 default: 8161 goto cp0_unimplemented; 8162 } 8163 break; 8164 case CP0_REGISTER_26: 8165 switch (sel) { 8166 case CP0_REG26__ERRCTL: 8167 gen_helper_mtc0_errctl(tcg_env, arg); 8168 ctx->base.is_jmp = DISAS_STOP; 8169 register_name = "ErrCtl"; 8170 break; 8171 default: 8172 goto cp0_unimplemented; 8173 } 8174 break; 8175 case CP0_REGISTER_27: 8176 switch (sel) { 8177 case CP0_REG27__CACHERR: 8178 /* ignored */ 8179 register_name = "CacheErr"; 8180 break; 8181 default: 8182 goto cp0_unimplemented; 8183 } 8184 break; 8185 case CP0_REGISTER_28: 8186 switch (sel) { 8187 case CP0_REG28__TAGLO: 8188 case CP0_REG28__TAGLO1: 8189 case CP0_REG28__TAGLO2: 8190 case CP0_REG28__TAGLO3: 8191 gen_helper_mtc0_taglo(tcg_env, arg); 8192 register_name = "TagLo"; 8193 break; 8194 case CP0_REG28__DATALO: 8195 case CP0_REG28__DATALO1: 8196 case CP0_REG28__DATALO2: 8197 case CP0_REG28__DATALO3: 8198 gen_helper_mtc0_datalo(tcg_env, arg); 8199 register_name = "DataLo"; 8200 break; 8201 default: 8202 goto cp0_unimplemented; 8203 } 8204 break; 8205 case CP0_REGISTER_29: 8206 switch (sel) { 8207 case CP0_REG29__TAGHI: 8208 case CP0_REG29__TAGHI1: 8209 case CP0_REG29__TAGHI2: 8210 case CP0_REG29__TAGHI3: 8211 gen_helper_mtc0_taghi(tcg_env, arg); 8212 register_name = "TagHi"; 8213 break; 8214 case CP0_REG29__DATAHI: 8215 case CP0_REG29__DATAHI1: 8216 case CP0_REG29__DATAHI2: 8217 case CP0_REG29__DATAHI3: 8218 gen_helper_mtc0_datahi(tcg_env, arg); 8219 register_name = "DataHi"; 8220 break; 8221 default: 8222 register_name = "invalid sel"; 8223 goto cp0_unimplemented; 8224 } 8225 break; 8226 case CP0_REGISTER_30: 8227 switch (sel) { 8228 case CP0_REG30__ERROREPC: 8229 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC)); 8230 register_name = "ErrorEPC"; 8231 break; 8232 default: 8233 goto cp0_unimplemented; 8234 } 8235 break; 8236 case CP0_REGISTER_31: 8237 switch (sel) { 8238 case CP0_REG31__DESAVE: 8239 /* EJTAG support */ 8240 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE)); 8241 register_name = "DESAVE"; 8242 break; 8243 case CP0_REG31__KSCRATCH1: 8244 case CP0_REG31__KSCRATCH2: 8245 case CP0_REG31__KSCRATCH3: 8246 case CP0_REG31__KSCRATCH4: 8247 case CP0_REG31__KSCRATCH5: 8248 case CP0_REG31__KSCRATCH6: 8249 CP0_CHECK(ctx->kscrexist & (1 << sel)); 8250 tcg_gen_st_tl(arg, tcg_env, 8251 offsetof(CPUMIPSState, CP0_KScratch[sel - 2])); 8252 register_name = "KScratch"; 8253 break; 8254 default: 8255 goto cp0_unimplemented; 8256 } 8257 break; 8258 default: 8259 goto cp0_unimplemented; 8260 } 8261 trace_mips_translate_c0("dmtc0", register_name, reg, sel); 8262 8263 /* For simplicity assume that all writes can cause interrupts. */ 8264 if (icount) { 8265 /* 8266 * DISAS_STOP isn't sufficient, we need to ensure we break out of 8267 * translated code to check for pending interrupts. 8268 */ 8269 gen_save_pc(ctx->base.pc_next + 4); 8270 ctx->base.is_jmp = DISAS_EXIT; 8271 } 8272 return; 8273 8274 cp0_unimplemented: 8275 qemu_log_mask(LOG_UNIMP, "dmtc0 %s (reg %d sel %d)\n", 8276 register_name, reg, sel); 8277 } 8278 #endif /* TARGET_MIPS64 */ 8279 8280 static void gen_mftr(CPUMIPSState *env, DisasContext *ctx, int rt, int rd, 8281 int u, int sel, int h) 8282 { 8283 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); 8284 TCGv t0 = tcg_temp_new(); 8285 8286 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && 8287 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) != 8288 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) { 8289 tcg_gen_movi_tl(t0, -1); 8290 } else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > 8291 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) { 8292 tcg_gen_movi_tl(t0, -1); 8293 } else if (u == 0) { 8294 switch (rt) { 8295 case 1: 8296 switch (sel) { 8297 case 1: 8298 gen_helper_mftc0_vpecontrol(t0, tcg_env); 8299 break; 8300 case 2: 8301 gen_helper_mftc0_vpeconf0(t0, tcg_env); 8302 break; 8303 default: 8304 goto die; 8305 break; 8306 } 8307 break; 8308 case 2: 8309 switch (sel) { 8310 case 1: 8311 gen_helper_mftc0_tcstatus(t0, tcg_env); 8312 break; 8313 case 2: 8314 gen_helper_mftc0_tcbind(t0, tcg_env); 8315 break; 8316 case 3: 8317 gen_helper_mftc0_tcrestart(t0, tcg_env); 8318 break; 8319 case 4: 8320 gen_helper_mftc0_tchalt(t0, tcg_env); 8321 break; 8322 case 5: 8323 gen_helper_mftc0_tccontext(t0, tcg_env); 8324 break; 8325 case 6: 8326 gen_helper_mftc0_tcschedule(t0, tcg_env); 8327 break; 8328 case 7: 8329 gen_helper_mftc0_tcschefback(t0, tcg_env); 8330 break; 8331 default: 8332 gen_mfc0(ctx, t0, rt, sel); 8333 break; 8334 } 8335 break; 8336 case 10: 8337 switch (sel) { 8338 case 0: 8339 gen_helper_mftc0_entryhi(t0, tcg_env); 8340 break; 8341 default: 8342 gen_mfc0(ctx, t0, rt, sel); 8343 break; 8344 } 8345 break; 8346 case 12: 8347 switch (sel) { 8348 case 0: 8349 gen_helper_mftc0_status(t0, tcg_env); 8350 break; 8351 default: 8352 gen_mfc0(ctx, t0, rt, sel); 8353 break; 8354 } 8355 break; 8356 case 13: 8357 switch (sel) { 8358 case 0: 8359 gen_helper_mftc0_cause(t0, tcg_env); 8360 break; 8361 default: 8362 goto die; 8363 break; 8364 } 8365 break; 8366 case 14: 8367 switch (sel) { 8368 case 0: 8369 gen_helper_mftc0_epc(t0, tcg_env); 8370 break; 8371 default: 8372 goto die; 8373 break; 8374 } 8375 break; 8376 case 15: 8377 switch (sel) { 8378 case 1: 8379 gen_helper_mftc0_ebase(t0, tcg_env); 8380 break; 8381 default: 8382 goto die; 8383 break; 8384 } 8385 break; 8386 case 16: 8387 switch (sel) { 8388 case 0: 8389 case 1: 8390 case 2: 8391 case 3: 8392 case 4: 8393 case 5: 8394 case 6: 8395 case 7: 8396 gen_helper_mftc0_configx(t0, tcg_env, tcg_constant_tl(sel)); 8397 break; 8398 default: 8399 goto die; 8400 break; 8401 } 8402 break; 8403 case 23: 8404 switch (sel) { 8405 case 0: 8406 gen_helper_mftc0_debug(t0, tcg_env); 8407 break; 8408 default: 8409 gen_mfc0(ctx, t0, rt, sel); 8410 break; 8411 } 8412 break; 8413 default: 8414 gen_mfc0(ctx, t0, rt, sel); 8415 } 8416 } else { 8417 switch (sel) { 8418 /* GPR registers. */ 8419 case 0: 8420 gen_helper_1e0i(mftgpr, t0, rt); 8421 break; 8422 /* Auxiliary CPU registers */ 8423 case 1: 8424 switch (rt) { 8425 case 0: 8426 gen_helper_1e0i(mftlo, t0, 0); 8427 break; 8428 case 1: 8429 gen_helper_1e0i(mfthi, t0, 0); 8430 break; 8431 case 2: 8432 gen_helper_1e0i(mftacx, t0, 0); 8433 break; 8434 case 4: 8435 gen_helper_1e0i(mftlo, t0, 1); 8436 break; 8437 case 5: 8438 gen_helper_1e0i(mfthi, t0, 1); 8439 break; 8440 case 6: 8441 gen_helper_1e0i(mftacx, t0, 1); 8442 break; 8443 case 8: 8444 gen_helper_1e0i(mftlo, t0, 2); 8445 break; 8446 case 9: 8447 gen_helper_1e0i(mfthi, t0, 2); 8448 break; 8449 case 10: 8450 gen_helper_1e0i(mftacx, t0, 2); 8451 break; 8452 case 12: 8453 gen_helper_1e0i(mftlo, t0, 3); 8454 break; 8455 case 13: 8456 gen_helper_1e0i(mfthi, t0, 3); 8457 break; 8458 case 14: 8459 gen_helper_1e0i(mftacx, t0, 3); 8460 break; 8461 case 16: 8462 gen_helper_mftdsp(t0, tcg_env); 8463 break; 8464 default: 8465 goto die; 8466 } 8467 break; 8468 /* Floating point (COP1). */ 8469 case 2: 8470 /* XXX: For now we support only a single FPU context. */ 8471 if (h == 0) { 8472 TCGv_i32 fp0 = tcg_temp_new_i32(); 8473 8474 gen_load_fpr32(ctx, fp0, rt); 8475 tcg_gen_ext_i32_tl(t0, fp0); 8476 } else { 8477 TCGv_i32 fp0 = tcg_temp_new_i32(); 8478 8479 gen_load_fpr32h(ctx, fp0, rt); 8480 tcg_gen_ext_i32_tl(t0, fp0); 8481 } 8482 break; 8483 case 3: 8484 /* XXX: For now we support only a single FPU context. */ 8485 gen_helper_1e0i(cfc1, t0, rt); 8486 break; 8487 /* COP2: Not implemented. */ 8488 case 4: 8489 case 5: 8490 /* fall through */ 8491 default: 8492 goto die; 8493 } 8494 } 8495 trace_mips_translate_tr("mftr", rt, u, sel, h); 8496 gen_store_gpr(t0, rd); 8497 return; 8498 8499 die: 8500 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h); 8501 gen_reserved_instruction(ctx); 8502 } 8503 8504 static void gen_mttr(CPUMIPSState *env, DisasContext *ctx, int rd, int rt, 8505 int u, int sel, int h) 8506 { 8507 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); 8508 TCGv t0 = tcg_temp_new(); 8509 8510 gen_load_gpr(t0, rt); 8511 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && 8512 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) != 8513 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) { 8514 /* NOP */ 8515 ; 8516 } else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > 8517 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) { 8518 /* NOP */ 8519 ; 8520 } else if (u == 0) { 8521 switch (rd) { 8522 case 1: 8523 switch (sel) { 8524 case 1: 8525 gen_helper_mttc0_vpecontrol(tcg_env, t0); 8526 break; 8527 case 2: 8528 gen_helper_mttc0_vpeconf0(tcg_env, t0); 8529 break; 8530 default: 8531 goto die; 8532 break; 8533 } 8534 break; 8535 case 2: 8536 switch (sel) { 8537 case 1: 8538 gen_helper_mttc0_tcstatus(tcg_env, t0); 8539 break; 8540 case 2: 8541 gen_helper_mttc0_tcbind(tcg_env, t0); 8542 break; 8543 case 3: 8544 gen_helper_mttc0_tcrestart(tcg_env, t0); 8545 break; 8546 case 4: 8547 gen_helper_mttc0_tchalt(tcg_env, t0); 8548 break; 8549 case 5: 8550 gen_helper_mttc0_tccontext(tcg_env, t0); 8551 break; 8552 case 6: 8553 gen_helper_mttc0_tcschedule(tcg_env, t0); 8554 break; 8555 case 7: 8556 gen_helper_mttc0_tcschefback(tcg_env, t0); 8557 break; 8558 default: 8559 gen_mtc0(ctx, t0, rd, sel); 8560 break; 8561 } 8562 break; 8563 case 10: 8564 switch (sel) { 8565 case 0: 8566 gen_helper_mttc0_entryhi(tcg_env, t0); 8567 break; 8568 default: 8569 gen_mtc0(ctx, t0, rd, sel); 8570 break; 8571 } 8572 break; 8573 case 12: 8574 switch (sel) { 8575 case 0: 8576 gen_helper_mttc0_status(tcg_env, t0); 8577 break; 8578 default: 8579 gen_mtc0(ctx, t0, rd, sel); 8580 break; 8581 } 8582 break; 8583 case 13: 8584 switch (sel) { 8585 case 0: 8586 gen_helper_mttc0_cause(tcg_env, t0); 8587 break; 8588 default: 8589 goto die; 8590 break; 8591 } 8592 break; 8593 case 15: 8594 switch (sel) { 8595 case 1: 8596 gen_helper_mttc0_ebase(tcg_env, t0); 8597 break; 8598 default: 8599 goto die; 8600 break; 8601 } 8602 break; 8603 case 23: 8604 switch (sel) { 8605 case 0: 8606 gen_helper_mttc0_debug(tcg_env, t0); 8607 break; 8608 default: 8609 gen_mtc0(ctx, t0, rd, sel); 8610 break; 8611 } 8612 break; 8613 default: 8614 gen_mtc0(ctx, t0, rd, sel); 8615 } 8616 } else { 8617 switch (sel) { 8618 /* GPR registers. */ 8619 case 0: 8620 gen_helper_0e1i(mttgpr, t0, rd); 8621 break; 8622 /* Auxiliary CPU registers */ 8623 case 1: 8624 switch (rd) { 8625 case 0: 8626 gen_helper_0e1i(mttlo, t0, 0); 8627 break; 8628 case 1: 8629 gen_helper_0e1i(mtthi, t0, 0); 8630 break; 8631 case 2: 8632 gen_helper_0e1i(mttacx, t0, 0); 8633 break; 8634 case 4: 8635 gen_helper_0e1i(mttlo, t0, 1); 8636 break; 8637 case 5: 8638 gen_helper_0e1i(mtthi, t0, 1); 8639 break; 8640 case 6: 8641 gen_helper_0e1i(mttacx, t0, 1); 8642 break; 8643 case 8: 8644 gen_helper_0e1i(mttlo, t0, 2); 8645 break; 8646 case 9: 8647 gen_helper_0e1i(mtthi, t0, 2); 8648 break; 8649 case 10: 8650 gen_helper_0e1i(mttacx, t0, 2); 8651 break; 8652 case 12: 8653 gen_helper_0e1i(mttlo, t0, 3); 8654 break; 8655 case 13: 8656 gen_helper_0e1i(mtthi, t0, 3); 8657 break; 8658 case 14: 8659 gen_helper_0e1i(mttacx, t0, 3); 8660 break; 8661 case 16: 8662 gen_helper_mttdsp(tcg_env, t0); 8663 break; 8664 default: 8665 goto die; 8666 } 8667 break; 8668 /* Floating point (COP1). */ 8669 case 2: 8670 /* XXX: For now we support only a single FPU context. */ 8671 if (h == 0) { 8672 TCGv_i32 fp0 = tcg_temp_new_i32(); 8673 8674 tcg_gen_trunc_tl_i32(fp0, t0); 8675 gen_store_fpr32(ctx, fp0, rd); 8676 } else { 8677 TCGv_i32 fp0 = tcg_temp_new_i32(); 8678 8679 tcg_gen_trunc_tl_i32(fp0, t0); 8680 gen_store_fpr32h(ctx, fp0, rd); 8681 } 8682 break; 8683 case 3: 8684 /* XXX: For now we support only a single FPU context. */ 8685 gen_helper_0e2i(ctc1, t0, tcg_constant_i32(rd), rt); 8686 /* Stop translation as we may have changed hflags */ 8687 ctx->base.is_jmp = DISAS_STOP; 8688 break; 8689 /* COP2: Not implemented. */ 8690 case 4: 8691 case 5: 8692 /* fall through */ 8693 default: 8694 goto die; 8695 } 8696 } 8697 trace_mips_translate_tr("mttr", rd, u, sel, h); 8698 return; 8699 8700 die: 8701 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h); 8702 gen_reserved_instruction(ctx); 8703 } 8704 8705 static void gen_cp0(CPUMIPSState *env, DisasContext *ctx, uint32_t opc, 8706 int rt, int rd) 8707 { 8708 const char *opn = "ldst"; 8709 8710 check_cp0_enabled(ctx); 8711 switch (opc) { 8712 case OPC_MFC0: 8713 if (rt == 0) { 8714 /* Treat as NOP. */ 8715 return; 8716 } 8717 gen_mfc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7); 8718 opn = "mfc0"; 8719 break; 8720 case OPC_MTC0: 8721 { 8722 TCGv t0 = tcg_temp_new(); 8723 8724 gen_load_gpr(t0, rt); 8725 gen_mtc0(ctx, t0, rd, ctx->opcode & 0x7); 8726 } 8727 opn = "mtc0"; 8728 break; 8729 #if defined(TARGET_MIPS64) 8730 case OPC_DMFC0: 8731 check_insn(ctx, ISA_MIPS3); 8732 if (rt == 0) { 8733 /* Treat as NOP. */ 8734 return; 8735 } 8736 gen_dmfc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7); 8737 opn = "dmfc0"; 8738 break; 8739 case OPC_DMTC0: 8740 check_insn(ctx, ISA_MIPS3); 8741 { 8742 TCGv t0 = tcg_temp_new(); 8743 8744 gen_load_gpr(t0, rt); 8745 gen_dmtc0(ctx, t0, rd, ctx->opcode & 0x7); 8746 } 8747 opn = "dmtc0"; 8748 break; 8749 #endif 8750 case OPC_MFHC0: 8751 check_mvh(ctx); 8752 if (rt == 0) { 8753 /* Treat as NOP. */ 8754 return; 8755 } 8756 gen_mfhc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7); 8757 opn = "mfhc0"; 8758 break; 8759 case OPC_MTHC0: 8760 check_mvh(ctx); 8761 { 8762 TCGv t0 = tcg_temp_new(); 8763 gen_load_gpr(t0, rt); 8764 gen_mthc0(ctx, t0, rd, ctx->opcode & 0x7); 8765 } 8766 opn = "mthc0"; 8767 break; 8768 case OPC_MFTR: 8769 check_cp0_enabled(ctx); 8770 if (rd == 0) { 8771 /* Treat as NOP. */ 8772 return; 8773 } 8774 gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1, 8775 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); 8776 opn = "mftr"; 8777 break; 8778 case OPC_MTTR: 8779 check_cp0_enabled(ctx); 8780 gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1, 8781 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); 8782 opn = "mttr"; 8783 break; 8784 case OPC_TLBWI: 8785 opn = "tlbwi"; 8786 if (!env->tlb->helper_tlbwi) { 8787 goto die; 8788 } 8789 gen_helper_tlbwi(tcg_env); 8790 break; 8791 case OPC_TLBINV: 8792 opn = "tlbinv"; 8793 if (ctx->ie >= 2) { 8794 if (!env->tlb->helper_tlbinv) { 8795 goto die; 8796 } 8797 gen_helper_tlbinv(tcg_env); 8798 } /* treat as nop if TLBINV not supported */ 8799 break; 8800 case OPC_TLBINVF: 8801 opn = "tlbinvf"; 8802 if (ctx->ie >= 2) { 8803 if (!env->tlb->helper_tlbinvf) { 8804 goto die; 8805 } 8806 gen_helper_tlbinvf(tcg_env); 8807 } /* treat as nop if TLBINV not supported */ 8808 break; 8809 case OPC_TLBWR: 8810 opn = "tlbwr"; 8811 if (!env->tlb->helper_tlbwr) { 8812 goto die; 8813 } 8814 gen_helper_tlbwr(tcg_env); 8815 break; 8816 case OPC_TLBP: 8817 opn = "tlbp"; 8818 if (!env->tlb->helper_tlbp) { 8819 goto die; 8820 } 8821 gen_helper_tlbp(tcg_env); 8822 break; 8823 case OPC_TLBR: 8824 opn = "tlbr"; 8825 if (!env->tlb->helper_tlbr) { 8826 goto die; 8827 } 8828 gen_helper_tlbr(tcg_env); 8829 break; 8830 case OPC_ERET: /* OPC_ERETNC */ 8831 if ((ctx->insn_flags & ISA_MIPS_R6) && 8832 (ctx->hflags & MIPS_HFLAG_BMASK)) { 8833 goto die; 8834 } else { 8835 int bit_shift = (ctx->hflags & MIPS_HFLAG_M16) ? 16 : 6; 8836 if (ctx->opcode & (1 << bit_shift)) { 8837 /* OPC_ERETNC */ 8838 opn = "eretnc"; 8839 check_insn(ctx, ISA_MIPS_R5); 8840 gen_helper_eretnc(tcg_env); 8841 } else { 8842 /* OPC_ERET */ 8843 opn = "eret"; 8844 check_insn(ctx, ISA_MIPS2); 8845 gen_helper_eret(tcg_env); 8846 } 8847 ctx->base.is_jmp = DISAS_EXIT; 8848 } 8849 break; 8850 case OPC_DERET: 8851 opn = "deret"; 8852 check_insn(ctx, ISA_MIPS_R1); 8853 if ((ctx->insn_flags & ISA_MIPS_R6) && 8854 (ctx->hflags & MIPS_HFLAG_BMASK)) { 8855 goto die; 8856 } 8857 if (!(ctx->hflags & MIPS_HFLAG_DM)) { 8858 MIPS_INVAL(opn); 8859 gen_reserved_instruction(ctx); 8860 } else { 8861 gen_helper_deret(tcg_env); 8862 ctx->base.is_jmp = DISAS_EXIT; 8863 } 8864 break; 8865 case OPC_WAIT: 8866 opn = "wait"; 8867 check_insn(ctx, ISA_MIPS3 | ISA_MIPS_R1); 8868 if ((ctx->insn_flags & ISA_MIPS_R6) && 8869 (ctx->hflags & MIPS_HFLAG_BMASK)) { 8870 goto die; 8871 } 8872 /* If we get an exception, we want to restart at next instruction */ 8873 ctx->base.pc_next += 4; 8874 save_cpu_state(ctx, 1); 8875 ctx->base.pc_next -= 4; 8876 gen_helper_wait(tcg_env); 8877 ctx->base.is_jmp = DISAS_NORETURN; 8878 break; 8879 default: 8880 die: 8881 MIPS_INVAL(opn); 8882 gen_reserved_instruction(ctx); 8883 return; 8884 } 8885 (void)opn; /* avoid a compiler warning */ 8886 } 8887 #endif /* !CONFIG_USER_ONLY */ 8888 8889 /* CP1 Branches (before delay slot) */ 8890 static void gen_compute_branch1(DisasContext *ctx, uint32_t op, 8891 int32_t cc, int32_t offset) 8892 { 8893 target_ulong btarget; 8894 TCGv_i32 t0 = tcg_temp_new_i32(); 8895 8896 if ((ctx->insn_flags & ISA_MIPS_R6) && (ctx->hflags & MIPS_HFLAG_BMASK)) { 8897 gen_reserved_instruction(ctx); 8898 return; 8899 } 8900 8901 if (cc != 0) { 8902 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1); 8903 } 8904 8905 btarget = ctx->base.pc_next + 4 + offset; 8906 8907 switch (op) { 8908 case OPC_BC1F: 8909 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 8910 tcg_gen_not_i32(t0, t0); 8911 tcg_gen_andi_i32(t0, t0, 1); 8912 tcg_gen_extu_i32_tl(bcond, t0); 8913 goto not_likely; 8914 case OPC_BC1FL: 8915 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 8916 tcg_gen_not_i32(t0, t0); 8917 tcg_gen_andi_i32(t0, t0, 1); 8918 tcg_gen_extu_i32_tl(bcond, t0); 8919 goto likely; 8920 case OPC_BC1T: 8921 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 8922 tcg_gen_andi_i32(t0, t0, 1); 8923 tcg_gen_extu_i32_tl(bcond, t0); 8924 goto not_likely; 8925 case OPC_BC1TL: 8926 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 8927 tcg_gen_andi_i32(t0, t0, 1); 8928 tcg_gen_extu_i32_tl(bcond, t0); 8929 likely: 8930 ctx->hflags |= MIPS_HFLAG_BL; 8931 break; 8932 case OPC_BC1FANY2: 8933 { 8934 TCGv_i32 t1 = tcg_temp_new_i32(); 8935 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 8936 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1)); 8937 tcg_gen_nand_i32(t0, t0, t1); 8938 tcg_gen_andi_i32(t0, t0, 1); 8939 tcg_gen_extu_i32_tl(bcond, t0); 8940 } 8941 goto not_likely; 8942 case OPC_BC1TANY2: 8943 { 8944 TCGv_i32 t1 = tcg_temp_new_i32(); 8945 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 8946 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1)); 8947 tcg_gen_or_i32(t0, t0, t1); 8948 tcg_gen_andi_i32(t0, t0, 1); 8949 tcg_gen_extu_i32_tl(bcond, t0); 8950 } 8951 goto not_likely; 8952 case OPC_BC1FANY4: 8953 { 8954 TCGv_i32 t1 = tcg_temp_new_i32(); 8955 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 8956 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1)); 8957 tcg_gen_and_i32(t0, t0, t1); 8958 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 2)); 8959 tcg_gen_and_i32(t0, t0, t1); 8960 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 3)); 8961 tcg_gen_nand_i32(t0, t0, t1); 8962 tcg_gen_andi_i32(t0, t0, 1); 8963 tcg_gen_extu_i32_tl(bcond, t0); 8964 } 8965 goto not_likely; 8966 case OPC_BC1TANY4: 8967 { 8968 TCGv_i32 t1 = tcg_temp_new_i32(); 8969 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 8970 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1)); 8971 tcg_gen_or_i32(t0, t0, t1); 8972 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 2)); 8973 tcg_gen_or_i32(t0, t0, t1); 8974 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 3)); 8975 tcg_gen_or_i32(t0, t0, t1); 8976 tcg_gen_andi_i32(t0, t0, 1); 8977 tcg_gen_extu_i32_tl(bcond, t0); 8978 } 8979 not_likely: 8980 ctx->hflags |= MIPS_HFLAG_BC; 8981 break; 8982 default: 8983 MIPS_INVAL("cp1 cond branch"); 8984 gen_reserved_instruction(ctx); 8985 return; 8986 } 8987 ctx->btarget = btarget; 8988 ctx->hflags |= MIPS_HFLAG_BDS32; 8989 } 8990 8991 /* R6 CP1 Branches */ 8992 static void gen_compute_branch1_r6(DisasContext *ctx, uint32_t op, 8993 int32_t ft, int32_t offset, 8994 int delayslot_size) 8995 { 8996 target_ulong btarget; 8997 TCGv_i64 t0 = tcg_temp_new_i64(); 8998 8999 if (ctx->hflags & MIPS_HFLAG_BMASK) { 9000 #ifdef MIPS_DEBUG_DISAS 9001 LOG_DISAS("Branch in delay / forbidden slot at PC 0x%016" 9002 VADDR_PRIx "\n", ctx->base.pc_next); 9003 #endif 9004 gen_reserved_instruction(ctx); 9005 return; 9006 } 9007 9008 gen_load_fpr64(ctx, t0, ft); 9009 tcg_gen_andi_i64(t0, t0, 1); 9010 9011 btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 9012 9013 switch (op) { 9014 case OPC_BC1EQZ: 9015 tcg_gen_xori_i64(t0, t0, 1); 9016 ctx->hflags |= MIPS_HFLAG_BC; 9017 break; 9018 case OPC_BC1NEZ: 9019 /* t0 already set */ 9020 ctx->hflags |= MIPS_HFLAG_BC; 9021 break; 9022 default: 9023 MIPS_INVAL("cp1 cond branch"); 9024 gen_reserved_instruction(ctx); 9025 return; 9026 } 9027 9028 tcg_gen_trunc_i64_tl(bcond, t0); 9029 9030 ctx->btarget = btarget; 9031 9032 switch (delayslot_size) { 9033 case 2: 9034 ctx->hflags |= MIPS_HFLAG_BDS16; 9035 break; 9036 case 4: 9037 ctx->hflags |= MIPS_HFLAG_BDS32; 9038 break; 9039 } 9040 } 9041 9042 /* Coprocessor 1 (FPU) */ 9043 9044 #define FOP(func, fmt) (((fmt) << 21) | (func)) 9045 9046 enum fopcode { 9047 OPC_ADD_S = FOP(0, FMT_S), 9048 OPC_SUB_S = FOP(1, FMT_S), 9049 OPC_MUL_S = FOP(2, FMT_S), 9050 OPC_DIV_S = FOP(3, FMT_S), 9051 OPC_SQRT_S = FOP(4, FMT_S), 9052 OPC_ABS_S = FOP(5, FMT_S), 9053 OPC_MOV_S = FOP(6, FMT_S), 9054 OPC_NEG_S = FOP(7, FMT_S), 9055 OPC_ROUND_L_S = FOP(8, FMT_S), 9056 OPC_TRUNC_L_S = FOP(9, FMT_S), 9057 OPC_CEIL_L_S = FOP(10, FMT_S), 9058 OPC_FLOOR_L_S = FOP(11, FMT_S), 9059 OPC_ROUND_W_S = FOP(12, FMT_S), 9060 OPC_TRUNC_W_S = FOP(13, FMT_S), 9061 OPC_CEIL_W_S = FOP(14, FMT_S), 9062 OPC_FLOOR_W_S = FOP(15, FMT_S), 9063 OPC_SEL_S = FOP(16, FMT_S), 9064 OPC_MOVCF_S = FOP(17, FMT_S), 9065 OPC_MOVZ_S = FOP(18, FMT_S), 9066 OPC_MOVN_S = FOP(19, FMT_S), 9067 OPC_SELEQZ_S = FOP(20, FMT_S), 9068 OPC_RECIP_S = FOP(21, FMT_S), 9069 OPC_RSQRT_S = FOP(22, FMT_S), 9070 OPC_SELNEZ_S = FOP(23, FMT_S), 9071 OPC_MADDF_S = FOP(24, FMT_S), 9072 OPC_MSUBF_S = FOP(25, FMT_S), 9073 OPC_RINT_S = FOP(26, FMT_S), 9074 OPC_CLASS_S = FOP(27, FMT_S), 9075 OPC_MIN_S = FOP(28, FMT_S), 9076 OPC_RECIP2_S = FOP(28, FMT_S), 9077 OPC_MINA_S = FOP(29, FMT_S), 9078 OPC_RECIP1_S = FOP(29, FMT_S), 9079 OPC_MAX_S = FOP(30, FMT_S), 9080 OPC_RSQRT1_S = FOP(30, FMT_S), 9081 OPC_MAXA_S = FOP(31, FMT_S), 9082 OPC_RSQRT2_S = FOP(31, FMT_S), 9083 OPC_CVT_D_S = FOP(33, FMT_S), 9084 OPC_CVT_W_S = FOP(36, FMT_S), 9085 OPC_CVT_L_S = FOP(37, FMT_S), 9086 OPC_CVT_PS_S = FOP(38, FMT_S), 9087 OPC_CMP_F_S = FOP(48, FMT_S), 9088 OPC_CMP_UN_S = FOP(49, FMT_S), 9089 OPC_CMP_EQ_S = FOP(50, FMT_S), 9090 OPC_CMP_UEQ_S = FOP(51, FMT_S), 9091 OPC_CMP_OLT_S = FOP(52, FMT_S), 9092 OPC_CMP_ULT_S = FOP(53, FMT_S), 9093 OPC_CMP_OLE_S = FOP(54, FMT_S), 9094 OPC_CMP_ULE_S = FOP(55, FMT_S), 9095 OPC_CMP_SF_S = FOP(56, FMT_S), 9096 OPC_CMP_NGLE_S = FOP(57, FMT_S), 9097 OPC_CMP_SEQ_S = FOP(58, FMT_S), 9098 OPC_CMP_NGL_S = FOP(59, FMT_S), 9099 OPC_CMP_LT_S = FOP(60, FMT_S), 9100 OPC_CMP_NGE_S = FOP(61, FMT_S), 9101 OPC_CMP_LE_S = FOP(62, FMT_S), 9102 OPC_CMP_NGT_S = FOP(63, FMT_S), 9103 9104 OPC_ADD_D = FOP(0, FMT_D), 9105 OPC_SUB_D = FOP(1, FMT_D), 9106 OPC_MUL_D = FOP(2, FMT_D), 9107 OPC_DIV_D = FOP(3, FMT_D), 9108 OPC_SQRT_D = FOP(4, FMT_D), 9109 OPC_ABS_D = FOP(5, FMT_D), 9110 OPC_MOV_D = FOP(6, FMT_D), 9111 OPC_NEG_D = FOP(7, FMT_D), 9112 OPC_ROUND_L_D = FOP(8, FMT_D), 9113 OPC_TRUNC_L_D = FOP(9, FMT_D), 9114 OPC_CEIL_L_D = FOP(10, FMT_D), 9115 OPC_FLOOR_L_D = FOP(11, FMT_D), 9116 OPC_ROUND_W_D = FOP(12, FMT_D), 9117 OPC_TRUNC_W_D = FOP(13, FMT_D), 9118 OPC_CEIL_W_D = FOP(14, FMT_D), 9119 OPC_FLOOR_W_D = FOP(15, FMT_D), 9120 OPC_SEL_D = FOP(16, FMT_D), 9121 OPC_MOVCF_D = FOP(17, FMT_D), 9122 OPC_MOVZ_D = FOP(18, FMT_D), 9123 OPC_MOVN_D = FOP(19, FMT_D), 9124 OPC_SELEQZ_D = FOP(20, FMT_D), 9125 OPC_RECIP_D = FOP(21, FMT_D), 9126 OPC_RSQRT_D = FOP(22, FMT_D), 9127 OPC_SELNEZ_D = FOP(23, FMT_D), 9128 OPC_MADDF_D = FOP(24, FMT_D), 9129 OPC_MSUBF_D = FOP(25, FMT_D), 9130 OPC_RINT_D = FOP(26, FMT_D), 9131 OPC_CLASS_D = FOP(27, FMT_D), 9132 OPC_MIN_D = FOP(28, FMT_D), 9133 OPC_RECIP2_D = FOP(28, FMT_D), 9134 OPC_MINA_D = FOP(29, FMT_D), 9135 OPC_RECIP1_D = FOP(29, FMT_D), 9136 OPC_MAX_D = FOP(30, FMT_D), 9137 OPC_RSQRT1_D = FOP(30, FMT_D), 9138 OPC_MAXA_D = FOP(31, FMT_D), 9139 OPC_RSQRT2_D = FOP(31, FMT_D), 9140 OPC_CVT_S_D = FOP(32, FMT_D), 9141 OPC_CVT_W_D = FOP(36, FMT_D), 9142 OPC_CVT_L_D = FOP(37, FMT_D), 9143 OPC_CMP_F_D = FOP(48, FMT_D), 9144 OPC_CMP_UN_D = FOP(49, FMT_D), 9145 OPC_CMP_EQ_D = FOP(50, FMT_D), 9146 OPC_CMP_UEQ_D = FOP(51, FMT_D), 9147 OPC_CMP_OLT_D = FOP(52, FMT_D), 9148 OPC_CMP_ULT_D = FOP(53, FMT_D), 9149 OPC_CMP_OLE_D = FOP(54, FMT_D), 9150 OPC_CMP_ULE_D = FOP(55, FMT_D), 9151 OPC_CMP_SF_D = FOP(56, FMT_D), 9152 OPC_CMP_NGLE_D = FOP(57, FMT_D), 9153 OPC_CMP_SEQ_D = FOP(58, FMT_D), 9154 OPC_CMP_NGL_D = FOP(59, FMT_D), 9155 OPC_CMP_LT_D = FOP(60, FMT_D), 9156 OPC_CMP_NGE_D = FOP(61, FMT_D), 9157 OPC_CMP_LE_D = FOP(62, FMT_D), 9158 OPC_CMP_NGT_D = FOP(63, FMT_D), 9159 9160 OPC_CVT_S_W = FOP(32, FMT_W), 9161 OPC_CVT_D_W = FOP(33, FMT_W), 9162 OPC_CVT_S_L = FOP(32, FMT_L), 9163 OPC_CVT_D_L = FOP(33, FMT_L), 9164 OPC_CVT_PS_PW = FOP(38, FMT_W), 9165 9166 OPC_ADD_PS = FOP(0, FMT_PS), 9167 OPC_SUB_PS = FOP(1, FMT_PS), 9168 OPC_MUL_PS = FOP(2, FMT_PS), 9169 OPC_DIV_PS = FOP(3, FMT_PS), 9170 OPC_ABS_PS = FOP(5, FMT_PS), 9171 OPC_MOV_PS = FOP(6, FMT_PS), 9172 OPC_NEG_PS = FOP(7, FMT_PS), 9173 OPC_MOVCF_PS = FOP(17, FMT_PS), 9174 OPC_MOVZ_PS = FOP(18, FMT_PS), 9175 OPC_MOVN_PS = FOP(19, FMT_PS), 9176 OPC_ADDR_PS = FOP(24, FMT_PS), 9177 OPC_MULR_PS = FOP(26, FMT_PS), 9178 OPC_RECIP2_PS = FOP(28, FMT_PS), 9179 OPC_RECIP1_PS = FOP(29, FMT_PS), 9180 OPC_RSQRT1_PS = FOP(30, FMT_PS), 9181 OPC_RSQRT2_PS = FOP(31, FMT_PS), 9182 9183 OPC_CVT_S_PU = FOP(32, FMT_PS), 9184 OPC_CVT_PW_PS = FOP(36, FMT_PS), 9185 OPC_CVT_S_PL = FOP(40, FMT_PS), 9186 OPC_PLL_PS = FOP(44, FMT_PS), 9187 OPC_PLU_PS = FOP(45, FMT_PS), 9188 OPC_PUL_PS = FOP(46, FMT_PS), 9189 OPC_PUU_PS = FOP(47, FMT_PS), 9190 OPC_CMP_F_PS = FOP(48, FMT_PS), 9191 OPC_CMP_UN_PS = FOP(49, FMT_PS), 9192 OPC_CMP_EQ_PS = FOP(50, FMT_PS), 9193 OPC_CMP_UEQ_PS = FOP(51, FMT_PS), 9194 OPC_CMP_OLT_PS = FOP(52, FMT_PS), 9195 OPC_CMP_ULT_PS = FOP(53, FMT_PS), 9196 OPC_CMP_OLE_PS = FOP(54, FMT_PS), 9197 OPC_CMP_ULE_PS = FOP(55, FMT_PS), 9198 OPC_CMP_SF_PS = FOP(56, FMT_PS), 9199 OPC_CMP_NGLE_PS = FOP(57, FMT_PS), 9200 OPC_CMP_SEQ_PS = FOP(58, FMT_PS), 9201 OPC_CMP_NGL_PS = FOP(59, FMT_PS), 9202 OPC_CMP_LT_PS = FOP(60, FMT_PS), 9203 OPC_CMP_NGE_PS = FOP(61, FMT_PS), 9204 OPC_CMP_LE_PS = FOP(62, FMT_PS), 9205 OPC_CMP_NGT_PS = FOP(63, FMT_PS), 9206 }; 9207 9208 enum r6_f_cmp_op { 9209 R6_OPC_CMP_AF_S = FOP(0, FMT_W), 9210 R6_OPC_CMP_UN_S = FOP(1, FMT_W), 9211 R6_OPC_CMP_EQ_S = FOP(2, FMT_W), 9212 R6_OPC_CMP_UEQ_S = FOP(3, FMT_W), 9213 R6_OPC_CMP_LT_S = FOP(4, FMT_W), 9214 R6_OPC_CMP_ULT_S = FOP(5, FMT_W), 9215 R6_OPC_CMP_LE_S = FOP(6, FMT_W), 9216 R6_OPC_CMP_ULE_S = FOP(7, FMT_W), 9217 R6_OPC_CMP_SAF_S = FOP(8, FMT_W), 9218 R6_OPC_CMP_SUN_S = FOP(9, FMT_W), 9219 R6_OPC_CMP_SEQ_S = FOP(10, FMT_W), 9220 R6_OPC_CMP_SEUQ_S = FOP(11, FMT_W), 9221 R6_OPC_CMP_SLT_S = FOP(12, FMT_W), 9222 R6_OPC_CMP_SULT_S = FOP(13, FMT_W), 9223 R6_OPC_CMP_SLE_S = FOP(14, FMT_W), 9224 R6_OPC_CMP_SULE_S = FOP(15, FMT_W), 9225 R6_OPC_CMP_OR_S = FOP(17, FMT_W), 9226 R6_OPC_CMP_UNE_S = FOP(18, FMT_W), 9227 R6_OPC_CMP_NE_S = FOP(19, FMT_W), 9228 R6_OPC_CMP_SOR_S = FOP(25, FMT_W), 9229 R6_OPC_CMP_SUNE_S = FOP(26, FMT_W), 9230 R6_OPC_CMP_SNE_S = FOP(27, FMT_W), 9231 9232 R6_OPC_CMP_AF_D = FOP(0, FMT_L), 9233 R6_OPC_CMP_UN_D = FOP(1, FMT_L), 9234 R6_OPC_CMP_EQ_D = FOP(2, FMT_L), 9235 R6_OPC_CMP_UEQ_D = FOP(3, FMT_L), 9236 R6_OPC_CMP_LT_D = FOP(4, FMT_L), 9237 R6_OPC_CMP_ULT_D = FOP(5, FMT_L), 9238 R6_OPC_CMP_LE_D = FOP(6, FMT_L), 9239 R6_OPC_CMP_ULE_D = FOP(7, FMT_L), 9240 R6_OPC_CMP_SAF_D = FOP(8, FMT_L), 9241 R6_OPC_CMP_SUN_D = FOP(9, FMT_L), 9242 R6_OPC_CMP_SEQ_D = FOP(10, FMT_L), 9243 R6_OPC_CMP_SEUQ_D = FOP(11, FMT_L), 9244 R6_OPC_CMP_SLT_D = FOP(12, FMT_L), 9245 R6_OPC_CMP_SULT_D = FOP(13, FMT_L), 9246 R6_OPC_CMP_SLE_D = FOP(14, FMT_L), 9247 R6_OPC_CMP_SULE_D = FOP(15, FMT_L), 9248 R6_OPC_CMP_OR_D = FOP(17, FMT_L), 9249 R6_OPC_CMP_UNE_D = FOP(18, FMT_L), 9250 R6_OPC_CMP_NE_D = FOP(19, FMT_L), 9251 R6_OPC_CMP_SOR_D = FOP(25, FMT_L), 9252 R6_OPC_CMP_SUNE_D = FOP(26, FMT_L), 9253 R6_OPC_CMP_SNE_D = FOP(27, FMT_L), 9254 }; 9255 9256 static void gen_cp1(DisasContext *ctx, uint32_t opc, int rt, int fs) 9257 { 9258 TCGv t0 = tcg_temp_new(); 9259 9260 switch (opc) { 9261 case OPC_MFC1: 9262 { 9263 TCGv_i32 fp0 = tcg_temp_new_i32(); 9264 9265 gen_load_fpr32(ctx, fp0, fs); 9266 tcg_gen_ext_i32_tl(t0, fp0); 9267 } 9268 gen_store_gpr(t0, rt); 9269 break; 9270 case OPC_MTC1: 9271 gen_load_gpr(t0, rt); 9272 { 9273 TCGv_i32 fp0 = tcg_temp_new_i32(); 9274 9275 tcg_gen_trunc_tl_i32(fp0, t0); 9276 gen_store_fpr32(ctx, fp0, fs); 9277 } 9278 break; 9279 case OPC_CFC1: 9280 gen_helper_1e0i(cfc1, t0, fs); 9281 gen_store_gpr(t0, rt); 9282 break; 9283 case OPC_CTC1: 9284 gen_load_gpr(t0, rt); 9285 save_cpu_state(ctx, 0); 9286 gen_helper_0e2i(ctc1, t0, tcg_constant_i32(fs), rt); 9287 /* Stop translation as we may have changed hflags */ 9288 ctx->base.is_jmp = DISAS_STOP; 9289 break; 9290 #if defined(TARGET_MIPS64) 9291 case OPC_DMFC1: 9292 gen_load_fpr64(ctx, t0, fs); 9293 gen_store_gpr(t0, rt); 9294 break; 9295 case OPC_DMTC1: 9296 gen_load_gpr(t0, rt); 9297 gen_store_fpr64(ctx, t0, fs); 9298 break; 9299 #endif 9300 case OPC_MFHC1: 9301 { 9302 TCGv_i32 fp0 = tcg_temp_new_i32(); 9303 9304 gen_load_fpr32h(ctx, fp0, fs); 9305 tcg_gen_ext_i32_tl(t0, fp0); 9306 } 9307 gen_store_gpr(t0, rt); 9308 break; 9309 case OPC_MTHC1: 9310 gen_load_gpr(t0, rt); 9311 { 9312 TCGv_i32 fp0 = tcg_temp_new_i32(); 9313 9314 tcg_gen_trunc_tl_i32(fp0, t0); 9315 gen_store_fpr32h(ctx, fp0, fs); 9316 } 9317 break; 9318 default: 9319 MIPS_INVAL("cp1 move"); 9320 gen_reserved_instruction(ctx); 9321 return; 9322 } 9323 } 9324 9325 static void gen_movci(DisasContext *ctx, int rd, int rs, int cc, int tf) 9326 { 9327 TCGLabel *l1; 9328 TCGCond cond; 9329 TCGv_i32 t0; 9330 9331 if (rd == 0) { 9332 /* Treat as NOP. */ 9333 return; 9334 } 9335 9336 if (tf) { 9337 cond = TCG_COND_EQ; 9338 } else { 9339 cond = TCG_COND_NE; 9340 } 9341 9342 l1 = gen_new_label(); 9343 t0 = tcg_temp_new_i32(); 9344 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); 9345 tcg_gen_brcondi_i32(cond, t0, 0, l1); 9346 gen_load_gpr(cpu_gpr[rd], rs); 9347 gen_set_label(l1); 9348 } 9349 9350 static inline void gen_movcf_s(DisasContext *ctx, int fs, int fd, int cc, 9351 int tf) 9352 { 9353 int cond; 9354 TCGv_i32 t0 = tcg_temp_new_i32(); 9355 TCGLabel *l1 = gen_new_label(); 9356 9357 if (tf) { 9358 cond = TCG_COND_EQ; 9359 } else { 9360 cond = TCG_COND_NE; 9361 } 9362 9363 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); 9364 tcg_gen_brcondi_i32(cond, t0, 0, l1); 9365 gen_load_fpr32(ctx, t0, fs); 9366 gen_store_fpr32(ctx, t0, fd); 9367 gen_set_label(l1); 9368 } 9369 9370 static inline void gen_movcf_d(DisasContext *ctx, int fs, int fd, int cc, 9371 int tf) 9372 { 9373 int cond; 9374 TCGv_i32 t0 = tcg_temp_new_i32(); 9375 TCGv_i64 fp0; 9376 TCGLabel *l1 = gen_new_label(); 9377 9378 if (tf) { 9379 cond = TCG_COND_EQ; 9380 } else { 9381 cond = TCG_COND_NE; 9382 } 9383 9384 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); 9385 tcg_gen_brcondi_i32(cond, t0, 0, l1); 9386 fp0 = tcg_temp_new_i64(); 9387 gen_load_fpr64(ctx, fp0, fs); 9388 gen_store_fpr64(ctx, fp0, fd); 9389 gen_set_label(l1); 9390 } 9391 9392 static inline void gen_movcf_ps(DisasContext *ctx, int fs, int fd, 9393 int cc, int tf) 9394 { 9395 int cond; 9396 TCGv_i32 t0 = tcg_temp_new_i32(); 9397 TCGLabel *l1 = gen_new_label(); 9398 TCGLabel *l2 = gen_new_label(); 9399 9400 if (tf) { 9401 cond = TCG_COND_EQ; 9402 } else { 9403 cond = TCG_COND_NE; 9404 } 9405 9406 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); 9407 tcg_gen_brcondi_i32(cond, t0, 0, l1); 9408 gen_load_fpr32(ctx, t0, fs); 9409 gen_store_fpr32(ctx, t0, fd); 9410 gen_set_label(l1); 9411 9412 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc + 1)); 9413 tcg_gen_brcondi_i32(cond, t0, 0, l2); 9414 gen_load_fpr32h(ctx, t0, fs); 9415 gen_store_fpr32h(ctx, t0, fd); 9416 gen_set_label(l2); 9417 } 9418 9419 static void gen_sel_s(DisasContext *ctx, enum fopcode op1, int fd, int ft, 9420 int fs) 9421 { 9422 TCGv_i32 t1 = tcg_constant_i32(0); 9423 TCGv_i32 fp0 = tcg_temp_new_i32(); 9424 TCGv_i32 fp1 = tcg_temp_new_i32(); 9425 TCGv_i32 fp2 = tcg_temp_new_i32(); 9426 gen_load_fpr32(ctx, fp0, fd); 9427 gen_load_fpr32(ctx, fp1, ft); 9428 gen_load_fpr32(ctx, fp2, fs); 9429 9430 switch (op1) { 9431 case OPC_SEL_S: 9432 tcg_gen_andi_i32(fp0, fp0, 1); 9433 tcg_gen_movcond_i32(TCG_COND_NE, fp0, fp0, t1, fp1, fp2); 9434 break; 9435 case OPC_SELEQZ_S: 9436 tcg_gen_andi_i32(fp1, fp1, 1); 9437 tcg_gen_movcond_i32(TCG_COND_EQ, fp0, fp1, t1, fp2, t1); 9438 break; 9439 case OPC_SELNEZ_S: 9440 tcg_gen_andi_i32(fp1, fp1, 1); 9441 tcg_gen_movcond_i32(TCG_COND_NE, fp0, fp1, t1, fp2, t1); 9442 break; 9443 default: 9444 MIPS_INVAL("gen_sel_s"); 9445 gen_reserved_instruction(ctx); 9446 break; 9447 } 9448 9449 gen_store_fpr32(ctx, fp0, fd); 9450 } 9451 9452 static void gen_sel_d(DisasContext *ctx, enum fopcode op1, int fd, int ft, 9453 int fs) 9454 { 9455 TCGv_i64 t1 = tcg_constant_i64(0); 9456 TCGv_i64 fp0 = tcg_temp_new_i64(); 9457 TCGv_i64 fp1 = tcg_temp_new_i64(); 9458 TCGv_i64 fp2 = tcg_temp_new_i64(); 9459 gen_load_fpr64(ctx, fp0, fd); 9460 gen_load_fpr64(ctx, fp1, ft); 9461 gen_load_fpr64(ctx, fp2, fs); 9462 9463 switch (op1) { 9464 case OPC_SEL_D: 9465 tcg_gen_andi_i64(fp0, fp0, 1); 9466 tcg_gen_movcond_i64(TCG_COND_NE, fp0, fp0, t1, fp1, fp2); 9467 break; 9468 case OPC_SELEQZ_D: 9469 tcg_gen_andi_i64(fp1, fp1, 1); 9470 tcg_gen_movcond_i64(TCG_COND_EQ, fp0, fp1, t1, fp2, t1); 9471 break; 9472 case OPC_SELNEZ_D: 9473 tcg_gen_andi_i64(fp1, fp1, 1); 9474 tcg_gen_movcond_i64(TCG_COND_NE, fp0, fp1, t1, fp2, t1); 9475 break; 9476 default: 9477 MIPS_INVAL("gen_sel_d"); 9478 gen_reserved_instruction(ctx); 9479 break; 9480 } 9481 9482 gen_store_fpr64(ctx, fp0, fd); 9483 } 9484 9485 static void gen_farith(DisasContext *ctx, enum fopcode op1, 9486 int ft, int fs, int fd, int cc) 9487 { 9488 uint32_t func = ctx->opcode & 0x3f; 9489 switch (op1) { 9490 case OPC_ADD_S: 9491 { 9492 TCGv_i32 fp0 = tcg_temp_new_i32(); 9493 TCGv_i32 fp1 = tcg_temp_new_i32(); 9494 9495 gen_load_fpr32(ctx, fp0, fs); 9496 gen_load_fpr32(ctx, fp1, ft); 9497 gen_helper_float_add_s(fp0, tcg_env, fp0, fp1); 9498 gen_store_fpr32(ctx, fp0, fd); 9499 } 9500 break; 9501 case OPC_SUB_S: 9502 { 9503 TCGv_i32 fp0 = tcg_temp_new_i32(); 9504 TCGv_i32 fp1 = tcg_temp_new_i32(); 9505 9506 gen_load_fpr32(ctx, fp0, fs); 9507 gen_load_fpr32(ctx, fp1, ft); 9508 gen_helper_float_sub_s(fp0, tcg_env, fp0, fp1); 9509 gen_store_fpr32(ctx, fp0, fd); 9510 } 9511 break; 9512 case OPC_MUL_S: 9513 { 9514 TCGv_i32 fp0 = tcg_temp_new_i32(); 9515 TCGv_i32 fp1 = tcg_temp_new_i32(); 9516 9517 gen_load_fpr32(ctx, fp0, fs); 9518 gen_load_fpr32(ctx, fp1, ft); 9519 gen_helper_float_mul_s(fp0, tcg_env, fp0, fp1); 9520 gen_store_fpr32(ctx, fp0, fd); 9521 } 9522 break; 9523 case OPC_DIV_S: 9524 { 9525 TCGv_i32 fp0 = tcg_temp_new_i32(); 9526 TCGv_i32 fp1 = tcg_temp_new_i32(); 9527 9528 gen_load_fpr32(ctx, fp0, fs); 9529 gen_load_fpr32(ctx, fp1, ft); 9530 gen_helper_float_div_s(fp0, tcg_env, fp0, fp1); 9531 gen_store_fpr32(ctx, fp0, fd); 9532 } 9533 break; 9534 case OPC_SQRT_S: 9535 { 9536 TCGv_i32 fp0 = tcg_temp_new_i32(); 9537 9538 gen_load_fpr32(ctx, fp0, fs); 9539 gen_helper_float_sqrt_s(fp0, tcg_env, fp0); 9540 gen_store_fpr32(ctx, fp0, fd); 9541 } 9542 break; 9543 case OPC_ABS_S: 9544 { 9545 TCGv_i32 fp0 = tcg_temp_new_i32(); 9546 9547 gen_load_fpr32(ctx, fp0, fs); 9548 if (ctx->abs2008) { 9549 tcg_gen_andi_i32(fp0, fp0, 0x7fffffffUL); 9550 } else { 9551 gen_helper_float_abs_s(fp0, fp0); 9552 } 9553 gen_store_fpr32(ctx, fp0, fd); 9554 } 9555 break; 9556 case OPC_MOV_S: 9557 { 9558 TCGv_i32 fp0 = tcg_temp_new_i32(); 9559 9560 gen_load_fpr32(ctx, fp0, fs); 9561 gen_store_fpr32(ctx, fp0, fd); 9562 } 9563 break; 9564 case OPC_NEG_S: 9565 { 9566 TCGv_i32 fp0 = tcg_temp_new_i32(); 9567 9568 gen_load_fpr32(ctx, fp0, fs); 9569 if (ctx->abs2008) { 9570 tcg_gen_xori_i32(fp0, fp0, 1UL << 31); 9571 } else { 9572 gen_helper_float_chs_s(fp0, fp0); 9573 } 9574 gen_store_fpr32(ctx, fp0, fd); 9575 } 9576 break; 9577 case OPC_ROUND_L_S: 9578 check_cp1_64bitmode(ctx); 9579 { 9580 TCGv_i32 fp32 = tcg_temp_new_i32(); 9581 TCGv_i64 fp64 = tcg_temp_new_i64(); 9582 9583 gen_load_fpr32(ctx, fp32, fs); 9584 if (ctx->nan2008) { 9585 gen_helper_float_round_2008_l_s(fp64, tcg_env, fp32); 9586 } else { 9587 gen_helper_float_round_l_s(fp64, tcg_env, fp32); 9588 } 9589 gen_store_fpr64(ctx, fp64, fd); 9590 } 9591 break; 9592 case OPC_TRUNC_L_S: 9593 check_cp1_64bitmode(ctx); 9594 { 9595 TCGv_i32 fp32 = tcg_temp_new_i32(); 9596 TCGv_i64 fp64 = tcg_temp_new_i64(); 9597 9598 gen_load_fpr32(ctx, fp32, fs); 9599 if (ctx->nan2008) { 9600 gen_helper_float_trunc_2008_l_s(fp64, tcg_env, fp32); 9601 } else { 9602 gen_helper_float_trunc_l_s(fp64, tcg_env, fp32); 9603 } 9604 gen_store_fpr64(ctx, fp64, fd); 9605 } 9606 break; 9607 case OPC_CEIL_L_S: 9608 check_cp1_64bitmode(ctx); 9609 { 9610 TCGv_i32 fp32 = tcg_temp_new_i32(); 9611 TCGv_i64 fp64 = tcg_temp_new_i64(); 9612 9613 gen_load_fpr32(ctx, fp32, fs); 9614 if (ctx->nan2008) { 9615 gen_helper_float_ceil_2008_l_s(fp64, tcg_env, fp32); 9616 } else { 9617 gen_helper_float_ceil_l_s(fp64, tcg_env, fp32); 9618 } 9619 gen_store_fpr64(ctx, fp64, fd); 9620 } 9621 break; 9622 case OPC_FLOOR_L_S: 9623 check_cp1_64bitmode(ctx); 9624 { 9625 TCGv_i32 fp32 = tcg_temp_new_i32(); 9626 TCGv_i64 fp64 = tcg_temp_new_i64(); 9627 9628 gen_load_fpr32(ctx, fp32, fs); 9629 if (ctx->nan2008) { 9630 gen_helper_float_floor_2008_l_s(fp64, tcg_env, fp32); 9631 } else { 9632 gen_helper_float_floor_l_s(fp64, tcg_env, fp32); 9633 } 9634 gen_store_fpr64(ctx, fp64, fd); 9635 } 9636 break; 9637 case OPC_ROUND_W_S: 9638 { 9639 TCGv_i32 fp0 = tcg_temp_new_i32(); 9640 9641 gen_load_fpr32(ctx, fp0, fs); 9642 if (ctx->nan2008) { 9643 gen_helper_float_round_2008_w_s(fp0, tcg_env, fp0); 9644 } else { 9645 gen_helper_float_round_w_s(fp0, tcg_env, fp0); 9646 } 9647 gen_store_fpr32(ctx, fp0, fd); 9648 } 9649 break; 9650 case OPC_TRUNC_W_S: 9651 { 9652 TCGv_i32 fp0 = tcg_temp_new_i32(); 9653 9654 gen_load_fpr32(ctx, fp0, fs); 9655 if (ctx->nan2008) { 9656 gen_helper_float_trunc_2008_w_s(fp0, tcg_env, fp0); 9657 } else { 9658 gen_helper_float_trunc_w_s(fp0, tcg_env, fp0); 9659 } 9660 gen_store_fpr32(ctx, fp0, fd); 9661 } 9662 break; 9663 case OPC_CEIL_W_S: 9664 { 9665 TCGv_i32 fp0 = tcg_temp_new_i32(); 9666 9667 gen_load_fpr32(ctx, fp0, fs); 9668 if (ctx->nan2008) { 9669 gen_helper_float_ceil_2008_w_s(fp0, tcg_env, fp0); 9670 } else { 9671 gen_helper_float_ceil_w_s(fp0, tcg_env, fp0); 9672 } 9673 gen_store_fpr32(ctx, fp0, fd); 9674 } 9675 break; 9676 case OPC_FLOOR_W_S: 9677 { 9678 TCGv_i32 fp0 = tcg_temp_new_i32(); 9679 9680 gen_load_fpr32(ctx, fp0, fs); 9681 if (ctx->nan2008) { 9682 gen_helper_float_floor_2008_w_s(fp0, tcg_env, fp0); 9683 } else { 9684 gen_helper_float_floor_w_s(fp0, tcg_env, fp0); 9685 } 9686 gen_store_fpr32(ctx, fp0, fd); 9687 } 9688 break; 9689 case OPC_SEL_S: 9690 check_insn(ctx, ISA_MIPS_R6); 9691 gen_sel_s(ctx, op1, fd, ft, fs); 9692 break; 9693 case OPC_SELEQZ_S: 9694 check_insn(ctx, ISA_MIPS_R6); 9695 gen_sel_s(ctx, op1, fd, ft, fs); 9696 break; 9697 case OPC_SELNEZ_S: 9698 check_insn(ctx, ISA_MIPS_R6); 9699 gen_sel_s(ctx, op1, fd, ft, fs); 9700 break; 9701 case OPC_MOVCF_S: 9702 check_insn_opc_removed(ctx, ISA_MIPS_R6); 9703 gen_movcf_s(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); 9704 break; 9705 case OPC_MOVZ_S: 9706 check_insn_opc_removed(ctx, ISA_MIPS_R6); 9707 { 9708 TCGLabel *l1 = gen_new_label(); 9709 TCGv_i32 fp0; 9710 9711 if (ft != 0) { 9712 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); 9713 } 9714 fp0 = tcg_temp_new_i32(); 9715 gen_load_fpr32(ctx, fp0, fs); 9716 gen_store_fpr32(ctx, fp0, fd); 9717 gen_set_label(l1); 9718 } 9719 break; 9720 case OPC_MOVN_S: 9721 check_insn_opc_removed(ctx, ISA_MIPS_R6); 9722 { 9723 TCGLabel *l1 = gen_new_label(); 9724 TCGv_i32 fp0; 9725 9726 if (ft != 0) { 9727 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); 9728 fp0 = tcg_temp_new_i32(); 9729 gen_load_fpr32(ctx, fp0, fs); 9730 gen_store_fpr32(ctx, fp0, fd); 9731 gen_set_label(l1); 9732 } 9733 } 9734 break; 9735 case OPC_RECIP_S: 9736 { 9737 TCGv_i32 fp0 = tcg_temp_new_i32(); 9738 9739 gen_load_fpr32(ctx, fp0, fs); 9740 gen_helper_float_recip_s(fp0, tcg_env, fp0); 9741 gen_store_fpr32(ctx, fp0, fd); 9742 } 9743 break; 9744 case OPC_RSQRT_S: 9745 { 9746 TCGv_i32 fp0 = tcg_temp_new_i32(); 9747 9748 gen_load_fpr32(ctx, fp0, fs); 9749 gen_helper_float_rsqrt_s(fp0, tcg_env, fp0); 9750 gen_store_fpr32(ctx, fp0, fd); 9751 } 9752 break; 9753 case OPC_MADDF_S: 9754 check_insn(ctx, ISA_MIPS_R6); 9755 { 9756 TCGv_i32 fp0 = tcg_temp_new_i32(); 9757 TCGv_i32 fp1 = tcg_temp_new_i32(); 9758 TCGv_i32 fp2 = tcg_temp_new_i32(); 9759 gen_load_fpr32(ctx, fp0, fs); 9760 gen_load_fpr32(ctx, fp1, ft); 9761 gen_load_fpr32(ctx, fp2, fd); 9762 gen_helper_float_maddf_s(fp2, tcg_env, fp0, fp1, fp2); 9763 gen_store_fpr32(ctx, fp2, fd); 9764 } 9765 break; 9766 case OPC_MSUBF_S: 9767 check_insn(ctx, ISA_MIPS_R6); 9768 { 9769 TCGv_i32 fp0 = tcg_temp_new_i32(); 9770 TCGv_i32 fp1 = tcg_temp_new_i32(); 9771 TCGv_i32 fp2 = tcg_temp_new_i32(); 9772 gen_load_fpr32(ctx, fp0, fs); 9773 gen_load_fpr32(ctx, fp1, ft); 9774 gen_load_fpr32(ctx, fp2, fd); 9775 gen_helper_float_msubf_s(fp2, tcg_env, fp0, fp1, fp2); 9776 gen_store_fpr32(ctx, fp2, fd); 9777 } 9778 break; 9779 case OPC_RINT_S: 9780 check_insn(ctx, ISA_MIPS_R6); 9781 { 9782 TCGv_i32 fp0 = tcg_temp_new_i32(); 9783 gen_load_fpr32(ctx, fp0, fs); 9784 gen_helper_float_rint_s(fp0, tcg_env, fp0); 9785 gen_store_fpr32(ctx, fp0, fd); 9786 } 9787 break; 9788 case OPC_CLASS_S: 9789 check_insn(ctx, ISA_MIPS_R6); 9790 { 9791 TCGv_i32 fp0 = tcg_temp_new_i32(); 9792 gen_load_fpr32(ctx, fp0, fs); 9793 gen_helper_float_class_s(fp0, tcg_env, fp0); 9794 gen_store_fpr32(ctx, fp0, fd); 9795 } 9796 break; 9797 case OPC_MIN_S: /* OPC_RECIP2_S */ 9798 if (ctx->insn_flags & ISA_MIPS_R6) { 9799 /* OPC_MIN_S */ 9800 TCGv_i32 fp0 = tcg_temp_new_i32(); 9801 TCGv_i32 fp1 = tcg_temp_new_i32(); 9802 TCGv_i32 fp2 = tcg_temp_new_i32(); 9803 gen_load_fpr32(ctx, fp0, fs); 9804 gen_load_fpr32(ctx, fp1, ft); 9805 gen_helper_float_min_s(fp2, tcg_env, fp0, fp1); 9806 gen_store_fpr32(ctx, fp2, fd); 9807 } else { 9808 /* OPC_RECIP2_S */ 9809 check_cp1_64bitmode(ctx); 9810 { 9811 TCGv_i32 fp0 = tcg_temp_new_i32(); 9812 TCGv_i32 fp1 = tcg_temp_new_i32(); 9813 9814 gen_load_fpr32(ctx, fp0, fs); 9815 gen_load_fpr32(ctx, fp1, ft); 9816 gen_helper_float_recip2_s(fp0, tcg_env, fp0, fp1); 9817 gen_store_fpr32(ctx, fp0, fd); 9818 } 9819 } 9820 break; 9821 case OPC_MINA_S: /* OPC_RECIP1_S */ 9822 if (ctx->insn_flags & ISA_MIPS_R6) { 9823 /* OPC_MINA_S */ 9824 TCGv_i32 fp0 = tcg_temp_new_i32(); 9825 TCGv_i32 fp1 = tcg_temp_new_i32(); 9826 TCGv_i32 fp2 = tcg_temp_new_i32(); 9827 gen_load_fpr32(ctx, fp0, fs); 9828 gen_load_fpr32(ctx, fp1, ft); 9829 gen_helper_float_mina_s(fp2, tcg_env, fp0, fp1); 9830 gen_store_fpr32(ctx, fp2, fd); 9831 } else { 9832 /* OPC_RECIP1_S */ 9833 check_cp1_64bitmode(ctx); 9834 { 9835 TCGv_i32 fp0 = tcg_temp_new_i32(); 9836 9837 gen_load_fpr32(ctx, fp0, fs); 9838 gen_helper_float_recip1_s(fp0, tcg_env, fp0); 9839 gen_store_fpr32(ctx, fp0, fd); 9840 } 9841 } 9842 break; 9843 case OPC_MAX_S: /* OPC_RSQRT1_S */ 9844 if (ctx->insn_flags & ISA_MIPS_R6) { 9845 /* OPC_MAX_S */ 9846 TCGv_i32 fp0 = tcg_temp_new_i32(); 9847 TCGv_i32 fp1 = tcg_temp_new_i32(); 9848 gen_load_fpr32(ctx, fp0, fs); 9849 gen_load_fpr32(ctx, fp1, ft); 9850 gen_helper_float_max_s(fp1, tcg_env, fp0, fp1); 9851 gen_store_fpr32(ctx, fp1, fd); 9852 } else { 9853 /* OPC_RSQRT1_S */ 9854 check_cp1_64bitmode(ctx); 9855 { 9856 TCGv_i32 fp0 = tcg_temp_new_i32(); 9857 9858 gen_load_fpr32(ctx, fp0, fs); 9859 gen_helper_float_rsqrt1_s(fp0, tcg_env, fp0); 9860 gen_store_fpr32(ctx, fp0, fd); 9861 } 9862 } 9863 break; 9864 case OPC_MAXA_S: /* OPC_RSQRT2_S */ 9865 if (ctx->insn_flags & ISA_MIPS_R6) { 9866 /* OPC_MAXA_S */ 9867 TCGv_i32 fp0 = tcg_temp_new_i32(); 9868 TCGv_i32 fp1 = tcg_temp_new_i32(); 9869 gen_load_fpr32(ctx, fp0, fs); 9870 gen_load_fpr32(ctx, fp1, ft); 9871 gen_helper_float_maxa_s(fp1, tcg_env, fp0, fp1); 9872 gen_store_fpr32(ctx, fp1, fd); 9873 } else { 9874 /* OPC_RSQRT2_S */ 9875 check_cp1_64bitmode(ctx); 9876 { 9877 TCGv_i32 fp0 = tcg_temp_new_i32(); 9878 TCGv_i32 fp1 = tcg_temp_new_i32(); 9879 9880 gen_load_fpr32(ctx, fp0, fs); 9881 gen_load_fpr32(ctx, fp1, ft); 9882 gen_helper_float_rsqrt2_s(fp0, tcg_env, fp0, fp1); 9883 gen_store_fpr32(ctx, fp0, fd); 9884 } 9885 } 9886 break; 9887 case OPC_CVT_D_S: 9888 check_cp1_registers(ctx, fd); 9889 { 9890 TCGv_i32 fp32 = tcg_temp_new_i32(); 9891 TCGv_i64 fp64 = tcg_temp_new_i64(); 9892 9893 gen_load_fpr32(ctx, fp32, fs); 9894 gen_helper_float_cvtd_s(fp64, tcg_env, fp32); 9895 gen_store_fpr64(ctx, fp64, fd); 9896 } 9897 break; 9898 case OPC_CVT_W_S: 9899 { 9900 TCGv_i32 fp0 = tcg_temp_new_i32(); 9901 9902 gen_load_fpr32(ctx, fp0, fs); 9903 if (ctx->nan2008) { 9904 gen_helper_float_cvt_2008_w_s(fp0, tcg_env, fp0); 9905 } else { 9906 gen_helper_float_cvt_w_s(fp0, tcg_env, fp0); 9907 } 9908 gen_store_fpr32(ctx, fp0, fd); 9909 } 9910 break; 9911 case OPC_CVT_L_S: 9912 check_cp1_64bitmode(ctx); 9913 { 9914 TCGv_i32 fp32 = tcg_temp_new_i32(); 9915 TCGv_i64 fp64 = tcg_temp_new_i64(); 9916 9917 gen_load_fpr32(ctx, fp32, fs); 9918 if (ctx->nan2008) { 9919 gen_helper_float_cvt_2008_l_s(fp64, tcg_env, fp32); 9920 } else { 9921 gen_helper_float_cvt_l_s(fp64, tcg_env, fp32); 9922 } 9923 gen_store_fpr64(ctx, fp64, fd); 9924 } 9925 break; 9926 case OPC_CVT_PS_S: 9927 check_ps(ctx); 9928 { 9929 TCGv_i64 fp64 = tcg_temp_new_i64(); 9930 TCGv_i32 fp32_0 = tcg_temp_new_i32(); 9931 TCGv_i32 fp32_1 = tcg_temp_new_i32(); 9932 9933 gen_load_fpr32(ctx, fp32_0, fs); 9934 gen_load_fpr32(ctx, fp32_1, ft); 9935 tcg_gen_concat_i32_i64(fp64, fp32_1, fp32_0); 9936 gen_store_fpr64(ctx, fp64, fd); 9937 } 9938 break; 9939 case OPC_CMP_F_S: 9940 case OPC_CMP_UN_S: 9941 case OPC_CMP_EQ_S: 9942 case OPC_CMP_UEQ_S: 9943 case OPC_CMP_OLT_S: 9944 case OPC_CMP_ULT_S: 9945 case OPC_CMP_OLE_S: 9946 case OPC_CMP_ULE_S: 9947 case OPC_CMP_SF_S: 9948 case OPC_CMP_NGLE_S: 9949 case OPC_CMP_SEQ_S: 9950 case OPC_CMP_NGL_S: 9951 case OPC_CMP_LT_S: 9952 case OPC_CMP_NGE_S: 9953 case OPC_CMP_LE_S: 9954 case OPC_CMP_NGT_S: 9955 check_insn_opc_removed(ctx, ISA_MIPS_R6); 9956 if (ctx->opcode & (1 << 6)) { 9957 gen_cmpabs_s(ctx, func - 48, ft, fs, cc); 9958 } else { 9959 gen_cmp_s(ctx, func - 48, ft, fs, cc); 9960 } 9961 break; 9962 case OPC_ADD_D: 9963 check_cp1_registers(ctx, fs | ft | fd); 9964 { 9965 TCGv_i64 fp0 = tcg_temp_new_i64(); 9966 TCGv_i64 fp1 = tcg_temp_new_i64(); 9967 9968 gen_load_fpr64(ctx, fp0, fs); 9969 gen_load_fpr64(ctx, fp1, ft); 9970 gen_helper_float_add_d(fp0, tcg_env, fp0, fp1); 9971 gen_store_fpr64(ctx, fp0, fd); 9972 } 9973 break; 9974 case OPC_SUB_D: 9975 check_cp1_registers(ctx, fs | ft | fd); 9976 { 9977 TCGv_i64 fp0 = tcg_temp_new_i64(); 9978 TCGv_i64 fp1 = tcg_temp_new_i64(); 9979 9980 gen_load_fpr64(ctx, fp0, fs); 9981 gen_load_fpr64(ctx, fp1, ft); 9982 gen_helper_float_sub_d(fp0, tcg_env, fp0, fp1); 9983 gen_store_fpr64(ctx, fp0, fd); 9984 } 9985 break; 9986 case OPC_MUL_D: 9987 check_cp1_registers(ctx, fs | ft | fd); 9988 { 9989 TCGv_i64 fp0 = tcg_temp_new_i64(); 9990 TCGv_i64 fp1 = tcg_temp_new_i64(); 9991 9992 gen_load_fpr64(ctx, fp0, fs); 9993 gen_load_fpr64(ctx, fp1, ft); 9994 gen_helper_float_mul_d(fp0, tcg_env, fp0, fp1); 9995 gen_store_fpr64(ctx, fp0, fd); 9996 } 9997 break; 9998 case OPC_DIV_D: 9999 check_cp1_registers(ctx, fs | ft | fd); 10000 { 10001 TCGv_i64 fp0 = tcg_temp_new_i64(); 10002 TCGv_i64 fp1 = tcg_temp_new_i64(); 10003 10004 gen_load_fpr64(ctx, fp0, fs); 10005 gen_load_fpr64(ctx, fp1, ft); 10006 gen_helper_float_div_d(fp0, tcg_env, fp0, fp1); 10007 gen_store_fpr64(ctx, fp0, fd); 10008 } 10009 break; 10010 case OPC_SQRT_D: 10011 check_cp1_registers(ctx, fs | fd); 10012 { 10013 TCGv_i64 fp0 = tcg_temp_new_i64(); 10014 10015 gen_load_fpr64(ctx, fp0, fs); 10016 gen_helper_float_sqrt_d(fp0, tcg_env, fp0); 10017 gen_store_fpr64(ctx, fp0, fd); 10018 } 10019 break; 10020 case OPC_ABS_D: 10021 check_cp1_registers(ctx, fs | fd); 10022 { 10023 TCGv_i64 fp0 = tcg_temp_new_i64(); 10024 10025 gen_load_fpr64(ctx, fp0, fs); 10026 if (ctx->abs2008) { 10027 tcg_gen_andi_i64(fp0, fp0, 0x7fffffffffffffffULL); 10028 } else { 10029 gen_helper_float_abs_d(fp0, fp0); 10030 } 10031 gen_store_fpr64(ctx, fp0, fd); 10032 } 10033 break; 10034 case OPC_MOV_D: 10035 check_cp1_registers(ctx, fs | fd); 10036 { 10037 TCGv_i64 fp0 = tcg_temp_new_i64(); 10038 10039 gen_load_fpr64(ctx, fp0, fs); 10040 gen_store_fpr64(ctx, fp0, fd); 10041 } 10042 break; 10043 case OPC_NEG_D: 10044 check_cp1_registers(ctx, fs | fd); 10045 { 10046 TCGv_i64 fp0 = tcg_temp_new_i64(); 10047 10048 gen_load_fpr64(ctx, fp0, fs); 10049 if (ctx->abs2008) { 10050 tcg_gen_xori_i64(fp0, fp0, 1ULL << 63); 10051 } else { 10052 gen_helper_float_chs_d(fp0, fp0); 10053 } 10054 gen_store_fpr64(ctx, fp0, fd); 10055 } 10056 break; 10057 case OPC_ROUND_L_D: 10058 check_cp1_64bitmode(ctx); 10059 { 10060 TCGv_i64 fp0 = tcg_temp_new_i64(); 10061 10062 gen_load_fpr64(ctx, fp0, fs); 10063 if (ctx->nan2008) { 10064 gen_helper_float_round_2008_l_d(fp0, tcg_env, fp0); 10065 } else { 10066 gen_helper_float_round_l_d(fp0, tcg_env, fp0); 10067 } 10068 gen_store_fpr64(ctx, fp0, fd); 10069 } 10070 break; 10071 case OPC_TRUNC_L_D: 10072 check_cp1_64bitmode(ctx); 10073 { 10074 TCGv_i64 fp0 = tcg_temp_new_i64(); 10075 10076 gen_load_fpr64(ctx, fp0, fs); 10077 if (ctx->nan2008) { 10078 gen_helper_float_trunc_2008_l_d(fp0, tcg_env, fp0); 10079 } else { 10080 gen_helper_float_trunc_l_d(fp0, tcg_env, fp0); 10081 } 10082 gen_store_fpr64(ctx, fp0, fd); 10083 } 10084 break; 10085 case OPC_CEIL_L_D: 10086 check_cp1_64bitmode(ctx); 10087 { 10088 TCGv_i64 fp0 = tcg_temp_new_i64(); 10089 10090 gen_load_fpr64(ctx, fp0, fs); 10091 if (ctx->nan2008) { 10092 gen_helper_float_ceil_2008_l_d(fp0, tcg_env, fp0); 10093 } else { 10094 gen_helper_float_ceil_l_d(fp0, tcg_env, fp0); 10095 } 10096 gen_store_fpr64(ctx, fp0, fd); 10097 } 10098 break; 10099 case OPC_FLOOR_L_D: 10100 check_cp1_64bitmode(ctx); 10101 { 10102 TCGv_i64 fp0 = tcg_temp_new_i64(); 10103 10104 gen_load_fpr64(ctx, fp0, fs); 10105 if (ctx->nan2008) { 10106 gen_helper_float_floor_2008_l_d(fp0, tcg_env, fp0); 10107 } else { 10108 gen_helper_float_floor_l_d(fp0, tcg_env, fp0); 10109 } 10110 gen_store_fpr64(ctx, fp0, fd); 10111 } 10112 break; 10113 case OPC_ROUND_W_D: 10114 check_cp1_registers(ctx, fs); 10115 { 10116 TCGv_i32 fp32 = tcg_temp_new_i32(); 10117 TCGv_i64 fp64 = tcg_temp_new_i64(); 10118 10119 gen_load_fpr64(ctx, fp64, fs); 10120 if (ctx->nan2008) { 10121 gen_helper_float_round_2008_w_d(fp32, tcg_env, fp64); 10122 } else { 10123 gen_helper_float_round_w_d(fp32, tcg_env, fp64); 10124 } 10125 gen_store_fpr32(ctx, fp32, fd); 10126 } 10127 break; 10128 case OPC_TRUNC_W_D: 10129 check_cp1_registers(ctx, fs); 10130 { 10131 TCGv_i32 fp32 = tcg_temp_new_i32(); 10132 TCGv_i64 fp64 = tcg_temp_new_i64(); 10133 10134 gen_load_fpr64(ctx, fp64, fs); 10135 if (ctx->nan2008) { 10136 gen_helper_float_trunc_2008_w_d(fp32, tcg_env, fp64); 10137 } else { 10138 gen_helper_float_trunc_w_d(fp32, tcg_env, fp64); 10139 } 10140 gen_store_fpr32(ctx, fp32, fd); 10141 } 10142 break; 10143 case OPC_CEIL_W_D: 10144 check_cp1_registers(ctx, fs); 10145 { 10146 TCGv_i32 fp32 = tcg_temp_new_i32(); 10147 TCGv_i64 fp64 = tcg_temp_new_i64(); 10148 10149 gen_load_fpr64(ctx, fp64, fs); 10150 if (ctx->nan2008) { 10151 gen_helper_float_ceil_2008_w_d(fp32, tcg_env, fp64); 10152 } else { 10153 gen_helper_float_ceil_w_d(fp32, tcg_env, fp64); 10154 } 10155 gen_store_fpr32(ctx, fp32, fd); 10156 } 10157 break; 10158 case OPC_FLOOR_W_D: 10159 check_cp1_registers(ctx, fs); 10160 { 10161 TCGv_i32 fp32 = tcg_temp_new_i32(); 10162 TCGv_i64 fp64 = tcg_temp_new_i64(); 10163 10164 gen_load_fpr64(ctx, fp64, fs); 10165 if (ctx->nan2008) { 10166 gen_helper_float_floor_2008_w_d(fp32, tcg_env, fp64); 10167 } else { 10168 gen_helper_float_floor_w_d(fp32, tcg_env, fp64); 10169 } 10170 gen_store_fpr32(ctx, fp32, fd); 10171 } 10172 break; 10173 case OPC_SEL_D: 10174 check_insn(ctx, ISA_MIPS_R6); 10175 gen_sel_d(ctx, op1, fd, ft, fs); 10176 break; 10177 case OPC_SELEQZ_D: 10178 check_insn(ctx, ISA_MIPS_R6); 10179 gen_sel_d(ctx, op1, fd, ft, fs); 10180 break; 10181 case OPC_SELNEZ_D: 10182 check_insn(ctx, ISA_MIPS_R6); 10183 gen_sel_d(ctx, op1, fd, ft, fs); 10184 break; 10185 case OPC_MOVCF_D: 10186 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10187 gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); 10188 break; 10189 case OPC_MOVZ_D: 10190 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10191 { 10192 TCGLabel *l1 = gen_new_label(); 10193 TCGv_i64 fp0; 10194 10195 if (ft != 0) { 10196 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); 10197 } 10198 fp0 = tcg_temp_new_i64(); 10199 gen_load_fpr64(ctx, fp0, fs); 10200 gen_store_fpr64(ctx, fp0, fd); 10201 gen_set_label(l1); 10202 } 10203 break; 10204 case OPC_MOVN_D: 10205 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10206 { 10207 TCGLabel *l1 = gen_new_label(); 10208 TCGv_i64 fp0; 10209 10210 if (ft != 0) { 10211 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); 10212 fp0 = tcg_temp_new_i64(); 10213 gen_load_fpr64(ctx, fp0, fs); 10214 gen_store_fpr64(ctx, fp0, fd); 10215 gen_set_label(l1); 10216 } 10217 } 10218 break; 10219 case OPC_RECIP_D: 10220 check_cp1_registers(ctx, fs | fd); 10221 { 10222 TCGv_i64 fp0 = tcg_temp_new_i64(); 10223 10224 gen_load_fpr64(ctx, fp0, fs); 10225 gen_helper_float_recip_d(fp0, tcg_env, fp0); 10226 gen_store_fpr64(ctx, fp0, fd); 10227 } 10228 break; 10229 case OPC_RSQRT_D: 10230 check_cp1_registers(ctx, fs | fd); 10231 { 10232 TCGv_i64 fp0 = tcg_temp_new_i64(); 10233 10234 gen_load_fpr64(ctx, fp0, fs); 10235 gen_helper_float_rsqrt_d(fp0, tcg_env, fp0); 10236 gen_store_fpr64(ctx, fp0, fd); 10237 } 10238 break; 10239 case OPC_MADDF_D: 10240 check_insn(ctx, ISA_MIPS_R6); 10241 { 10242 TCGv_i64 fp0 = tcg_temp_new_i64(); 10243 TCGv_i64 fp1 = tcg_temp_new_i64(); 10244 TCGv_i64 fp2 = tcg_temp_new_i64(); 10245 gen_load_fpr64(ctx, fp0, fs); 10246 gen_load_fpr64(ctx, fp1, ft); 10247 gen_load_fpr64(ctx, fp2, fd); 10248 gen_helper_float_maddf_d(fp2, tcg_env, fp0, fp1, fp2); 10249 gen_store_fpr64(ctx, fp2, fd); 10250 } 10251 break; 10252 case OPC_MSUBF_D: 10253 check_insn(ctx, ISA_MIPS_R6); 10254 { 10255 TCGv_i64 fp0 = tcg_temp_new_i64(); 10256 TCGv_i64 fp1 = tcg_temp_new_i64(); 10257 TCGv_i64 fp2 = tcg_temp_new_i64(); 10258 gen_load_fpr64(ctx, fp0, fs); 10259 gen_load_fpr64(ctx, fp1, ft); 10260 gen_load_fpr64(ctx, fp2, fd); 10261 gen_helper_float_msubf_d(fp2, tcg_env, fp0, fp1, fp2); 10262 gen_store_fpr64(ctx, fp2, fd); 10263 } 10264 break; 10265 case OPC_RINT_D: 10266 check_insn(ctx, ISA_MIPS_R6); 10267 { 10268 TCGv_i64 fp0 = tcg_temp_new_i64(); 10269 gen_load_fpr64(ctx, fp0, fs); 10270 gen_helper_float_rint_d(fp0, tcg_env, fp0); 10271 gen_store_fpr64(ctx, fp0, fd); 10272 } 10273 break; 10274 case OPC_CLASS_D: 10275 check_insn(ctx, ISA_MIPS_R6); 10276 { 10277 TCGv_i64 fp0 = tcg_temp_new_i64(); 10278 gen_load_fpr64(ctx, fp0, fs); 10279 gen_helper_float_class_d(fp0, tcg_env, fp0); 10280 gen_store_fpr64(ctx, fp0, fd); 10281 } 10282 break; 10283 case OPC_MIN_D: /* OPC_RECIP2_D */ 10284 if (ctx->insn_flags & ISA_MIPS_R6) { 10285 /* OPC_MIN_D */ 10286 TCGv_i64 fp0 = tcg_temp_new_i64(); 10287 TCGv_i64 fp1 = tcg_temp_new_i64(); 10288 gen_load_fpr64(ctx, fp0, fs); 10289 gen_load_fpr64(ctx, fp1, ft); 10290 gen_helper_float_min_d(fp1, tcg_env, fp0, fp1); 10291 gen_store_fpr64(ctx, fp1, fd); 10292 } else { 10293 /* OPC_RECIP2_D */ 10294 check_cp1_64bitmode(ctx); 10295 { 10296 TCGv_i64 fp0 = tcg_temp_new_i64(); 10297 TCGv_i64 fp1 = tcg_temp_new_i64(); 10298 10299 gen_load_fpr64(ctx, fp0, fs); 10300 gen_load_fpr64(ctx, fp1, ft); 10301 gen_helper_float_recip2_d(fp0, tcg_env, fp0, fp1); 10302 gen_store_fpr64(ctx, fp0, fd); 10303 } 10304 } 10305 break; 10306 case OPC_MINA_D: /* OPC_RECIP1_D */ 10307 if (ctx->insn_flags & ISA_MIPS_R6) { 10308 /* OPC_MINA_D */ 10309 TCGv_i64 fp0 = tcg_temp_new_i64(); 10310 TCGv_i64 fp1 = tcg_temp_new_i64(); 10311 gen_load_fpr64(ctx, fp0, fs); 10312 gen_load_fpr64(ctx, fp1, ft); 10313 gen_helper_float_mina_d(fp1, tcg_env, fp0, fp1); 10314 gen_store_fpr64(ctx, fp1, fd); 10315 } else { 10316 /* OPC_RECIP1_D */ 10317 check_cp1_64bitmode(ctx); 10318 { 10319 TCGv_i64 fp0 = tcg_temp_new_i64(); 10320 10321 gen_load_fpr64(ctx, fp0, fs); 10322 gen_helper_float_recip1_d(fp0, tcg_env, fp0); 10323 gen_store_fpr64(ctx, fp0, fd); 10324 } 10325 } 10326 break; 10327 case OPC_MAX_D: /* OPC_RSQRT1_D */ 10328 if (ctx->insn_flags & ISA_MIPS_R6) { 10329 /* OPC_MAX_D */ 10330 TCGv_i64 fp0 = tcg_temp_new_i64(); 10331 TCGv_i64 fp1 = tcg_temp_new_i64(); 10332 gen_load_fpr64(ctx, fp0, fs); 10333 gen_load_fpr64(ctx, fp1, ft); 10334 gen_helper_float_max_d(fp1, tcg_env, fp0, fp1); 10335 gen_store_fpr64(ctx, fp1, fd); 10336 } else { 10337 /* OPC_RSQRT1_D */ 10338 check_cp1_64bitmode(ctx); 10339 { 10340 TCGv_i64 fp0 = tcg_temp_new_i64(); 10341 10342 gen_load_fpr64(ctx, fp0, fs); 10343 gen_helper_float_rsqrt1_d(fp0, tcg_env, fp0); 10344 gen_store_fpr64(ctx, fp0, fd); 10345 } 10346 } 10347 break; 10348 case OPC_MAXA_D: /* OPC_RSQRT2_D */ 10349 if (ctx->insn_flags & ISA_MIPS_R6) { 10350 /* OPC_MAXA_D */ 10351 TCGv_i64 fp0 = tcg_temp_new_i64(); 10352 TCGv_i64 fp1 = tcg_temp_new_i64(); 10353 gen_load_fpr64(ctx, fp0, fs); 10354 gen_load_fpr64(ctx, fp1, ft); 10355 gen_helper_float_maxa_d(fp1, tcg_env, fp0, fp1); 10356 gen_store_fpr64(ctx, fp1, fd); 10357 } else { 10358 /* OPC_RSQRT2_D */ 10359 check_cp1_64bitmode(ctx); 10360 { 10361 TCGv_i64 fp0 = tcg_temp_new_i64(); 10362 TCGv_i64 fp1 = tcg_temp_new_i64(); 10363 10364 gen_load_fpr64(ctx, fp0, fs); 10365 gen_load_fpr64(ctx, fp1, ft); 10366 gen_helper_float_rsqrt2_d(fp0, tcg_env, fp0, fp1); 10367 gen_store_fpr64(ctx, fp0, fd); 10368 } 10369 } 10370 break; 10371 case OPC_CMP_F_D: 10372 case OPC_CMP_UN_D: 10373 case OPC_CMP_EQ_D: 10374 case OPC_CMP_UEQ_D: 10375 case OPC_CMP_OLT_D: 10376 case OPC_CMP_ULT_D: 10377 case OPC_CMP_OLE_D: 10378 case OPC_CMP_ULE_D: 10379 case OPC_CMP_SF_D: 10380 case OPC_CMP_NGLE_D: 10381 case OPC_CMP_SEQ_D: 10382 case OPC_CMP_NGL_D: 10383 case OPC_CMP_LT_D: 10384 case OPC_CMP_NGE_D: 10385 case OPC_CMP_LE_D: 10386 case OPC_CMP_NGT_D: 10387 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10388 if (ctx->opcode & (1 << 6)) { 10389 gen_cmpabs_d(ctx, func - 48, ft, fs, cc); 10390 } else { 10391 gen_cmp_d(ctx, func - 48, ft, fs, cc); 10392 } 10393 break; 10394 case OPC_CVT_S_D: 10395 check_cp1_registers(ctx, fs); 10396 { 10397 TCGv_i32 fp32 = tcg_temp_new_i32(); 10398 TCGv_i64 fp64 = tcg_temp_new_i64(); 10399 10400 gen_load_fpr64(ctx, fp64, fs); 10401 gen_helper_float_cvts_d(fp32, tcg_env, fp64); 10402 gen_store_fpr32(ctx, fp32, fd); 10403 } 10404 break; 10405 case OPC_CVT_W_D: 10406 check_cp1_registers(ctx, fs); 10407 { 10408 TCGv_i32 fp32 = tcg_temp_new_i32(); 10409 TCGv_i64 fp64 = tcg_temp_new_i64(); 10410 10411 gen_load_fpr64(ctx, fp64, fs); 10412 if (ctx->nan2008) { 10413 gen_helper_float_cvt_2008_w_d(fp32, tcg_env, fp64); 10414 } else { 10415 gen_helper_float_cvt_w_d(fp32, tcg_env, fp64); 10416 } 10417 gen_store_fpr32(ctx, fp32, fd); 10418 } 10419 break; 10420 case OPC_CVT_L_D: 10421 check_cp1_64bitmode(ctx); 10422 { 10423 TCGv_i64 fp0 = tcg_temp_new_i64(); 10424 10425 gen_load_fpr64(ctx, fp0, fs); 10426 if (ctx->nan2008) { 10427 gen_helper_float_cvt_2008_l_d(fp0, tcg_env, fp0); 10428 } else { 10429 gen_helper_float_cvt_l_d(fp0, tcg_env, fp0); 10430 } 10431 gen_store_fpr64(ctx, fp0, fd); 10432 } 10433 break; 10434 case OPC_CVT_S_W: 10435 { 10436 TCGv_i32 fp0 = tcg_temp_new_i32(); 10437 10438 gen_load_fpr32(ctx, fp0, fs); 10439 gen_helper_float_cvts_w(fp0, tcg_env, fp0); 10440 gen_store_fpr32(ctx, fp0, fd); 10441 } 10442 break; 10443 case OPC_CVT_D_W: 10444 check_cp1_registers(ctx, fd); 10445 { 10446 TCGv_i32 fp32 = tcg_temp_new_i32(); 10447 TCGv_i64 fp64 = tcg_temp_new_i64(); 10448 10449 gen_load_fpr32(ctx, fp32, fs); 10450 gen_helper_float_cvtd_w(fp64, tcg_env, fp32); 10451 gen_store_fpr64(ctx, fp64, fd); 10452 } 10453 break; 10454 case OPC_CVT_S_L: 10455 check_cp1_64bitmode(ctx); 10456 { 10457 TCGv_i32 fp32 = tcg_temp_new_i32(); 10458 TCGv_i64 fp64 = tcg_temp_new_i64(); 10459 10460 gen_load_fpr64(ctx, fp64, fs); 10461 gen_helper_float_cvts_l(fp32, tcg_env, fp64); 10462 gen_store_fpr32(ctx, fp32, fd); 10463 } 10464 break; 10465 case OPC_CVT_D_L: 10466 check_cp1_64bitmode(ctx); 10467 { 10468 TCGv_i64 fp0 = tcg_temp_new_i64(); 10469 10470 gen_load_fpr64(ctx, fp0, fs); 10471 gen_helper_float_cvtd_l(fp0, tcg_env, fp0); 10472 gen_store_fpr64(ctx, fp0, fd); 10473 } 10474 break; 10475 case OPC_CVT_PS_PW: 10476 check_ps(ctx); 10477 { 10478 TCGv_i64 fp0 = tcg_temp_new_i64(); 10479 10480 gen_load_fpr64(ctx, fp0, fs); 10481 gen_helper_float_cvtps_pw(fp0, tcg_env, fp0); 10482 gen_store_fpr64(ctx, fp0, fd); 10483 } 10484 break; 10485 case OPC_ADD_PS: 10486 check_ps(ctx); 10487 { 10488 TCGv_i64 fp0 = tcg_temp_new_i64(); 10489 TCGv_i64 fp1 = tcg_temp_new_i64(); 10490 10491 gen_load_fpr64(ctx, fp0, fs); 10492 gen_load_fpr64(ctx, fp1, ft); 10493 gen_helper_float_add_ps(fp0, tcg_env, fp0, fp1); 10494 gen_store_fpr64(ctx, fp0, fd); 10495 } 10496 break; 10497 case OPC_SUB_PS: 10498 check_ps(ctx); 10499 { 10500 TCGv_i64 fp0 = tcg_temp_new_i64(); 10501 TCGv_i64 fp1 = tcg_temp_new_i64(); 10502 10503 gen_load_fpr64(ctx, fp0, fs); 10504 gen_load_fpr64(ctx, fp1, ft); 10505 gen_helper_float_sub_ps(fp0, tcg_env, fp0, fp1); 10506 gen_store_fpr64(ctx, fp0, fd); 10507 } 10508 break; 10509 case OPC_MUL_PS: 10510 check_ps(ctx); 10511 { 10512 TCGv_i64 fp0 = tcg_temp_new_i64(); 10513 TCGv_i64 fp1 = tcg_temp_new_i64(); 10514 10515 gen_load_fpr64(ctx, fp0, fs); 10516 gen_load_fpr64(ctx, fp1, ft); 10517 gen_helper_float_mul_ps(fp0, tcg_env, fp0, fp1); 10518 gen_store_fpr64(ctx, fp0, fd); 10519 } 10520 break; 10521 case OPC_ABS_PS: 10522 check_ps(ctx); 10523 { 10524 TCGv_i64 fp0 = tcg_temp_new_i64(); 10525 10526 gen_load_fpr64(ctx, fp0, fs); 10527 gen_helper_float_abs_ps(fp0, fp0); 10528 gen_store_fpr64(ctx, fp0, fd); 10529 } 10530 break; 10531 case OPC_MOV_PS: 10532 check_ps(ctx); 10533 { 10534 TCGv_i64 fp0 = tcg_temp_new_i64(); 10535 10536 gen_load_fpr64(ctx, fp0, fs); 10537 gen_store_fpr64(ctx, fp0, fd); 10538 } 10539 break; 10540 case OPC_NEG_PS: 10541 check_ps(ctx); 10542 { 10543 TCGv_i64 fp0 = tcg_temp_new_i64(); 10544 10545 gen_load_fpr64(ctx, fp0, fs); 10546 gen_helper_float_chs_ps(fp0, fp0); 10547 gen_store_fpr64(ctx, fp0, fd); 10548 } 10549 break; 10550 case OPC_MOVCF_PS: 10551 check_ps(ctx); 10552 gen_movcf_ps(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); 10553 break; 10554 case OPC_MOVZ_PS: 10555 check_ps(ctx); 10556 { 10557 TCGLabel *l1 = gen_new_label(); 10558 TCGv_i64 fp0; 10559 10560 if (ft != 0) { 10561 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); 10562 } 10563 fp0 = tcg_temp_new_i64(); 10564 gen_load_fpr64(ctx, fp0, fs); 10565 gen_store_fpr64(ctx, fp0, fd); 10566 gen_set_label(l1); 10567 } 10568 break; 10569 case OPC_MOVN_PS: 10570 check_ps(ctx); 10571 { 10572 TCGLabel *l1 = gen_new_label(); 10573 TCGv_i64 fp0; 10574 10575 if (ft != 0) { 10576 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); 10577 fp0 = tcg_temp_new_i64(); 10578 gen_load_fpr64(ctx, fp0, fs); 10579 gen_store_fpr64(ctx, fp0, fd); 10580 gen_set_label(l1); 10581 } 10582 } 10583 break; 10584 case OPC_ADDR_PS: 10585 check_ps(ctx); 10586 { 10587 TCGv_i64 fp0 = tcg_temp_new_i64(); 10588 TCGv_i64 fp1 = tcg_temp_new_i64(); 10589 10590 gen_load_fpr64(ctx, fp0, ft); 10591 gen_load_fpr64(ctx, fp1, fs); 10592 gen_helper_float_addr_ps(fp0, tcg_env, fp0, fp1); 10593 gen_store_fpr64(ctx, fp0, fd); 10594 } 10595 break; 10596 case OPC_MULR_PS: 10597 check_ps(ctx); 10598 { 10599 TCGv_i64 fp0 = tcg_temp_new_i64(); 10600 TCGv_i64 fp1 = tcg_temp_new_i64(); 10601 10602 gen_load_fpr64(ctx, fp0, ft); 10603 gen_load_fpr64(ctx, fp1, fs); 10604 gen_helper_float_mulr_ps(fp0, tcg_env, fp0, fp1); 10605 gen_store_fpr64(ctx, fp0, fd); 10606 } 10607 break; 10608 case OPC_RECIP2_PS: 10609 check_ps(ctx); 10610 { 10611 TCGv_i64 fp0 = tcg_temp_new_i64(); 10612 TCGv_i64 fp1 = tcg_temp_new_i64(); 10613 10614 gen_load_fpr64(ctx, fp0, fs); 10615 gen_load_fpr64(ctx, fp1, ft); 10616 gen_helper_float_recip2_ps(fp0, tcg_env, fp0, fp1); 10617 gen_store_fpr64(ctx, fp0, fd); 10618 } 10619 break; 10620 case OPC_RECIP1_PS: 10621 check_ps(ctx); 10622 { 10623 TCGv_i64 fp0 = tcg_temp_new_i64(); 10624 10625 gen_load_fpr64(ctx, fp0, fs); 10626 gen_helper_float_recip1_ps(fp0, tcg_env, fp0); 10627 gen_store_fpr64(ctx, fp0, fd); 10628 } 10629 break; 10630 case OPC_RSQRT1_PS: 10631 check_ps(ctx); 10632 { 10633 TCGv_i64 fp0 = tcg_temp_new_i64(); 10634 10635 gen_load_fpr64(ctx, fp0, fs); 10636 gen_helper_float_rsqrt1_ps(fp0, tcg_env, fp0); 10637 gen_store_fpr64(ctx, fp0, fd); 10638 } 10639 break; 10640 case OPC_RSQRT2_PS: 10641 check_ps(ctx); 10642 { 10643 TCGv_i64 fp0 = tcg_temp_new_i64(); 10644 TCGv_i64 fp1 = tcg_temp_new_i64(); 10645 10646 gen_load_fpr64(ctx, fp0, fs); 10647 gen_load_fpr64(ctx, fp1, ft); 10648 gen_helper_float_rsqrt2_ps(fp0, tcg_env, fp0, fp1); 10649 gen_store_fpr64(ctx, fp0, fd); 10650 } 10651 break; 10652 case OPC_CVT_S_PU: 10653 check_cp1_64bitmode(ctx); 10654 { 10655 TCGv_i32 fp0 = tcg_temp_new_i32(); 10656 10657 gen_load_fpr32h(ctx, fp0, fs); 10658 gen_helper_float_cvts_pu(fp0, tcg_env, fp0); 10659 gen_store_fpr32(ctx, fp0, fd); 10660 } 10661 break; 10662 case OPC_CVT_PW_PS: 10663 check_ps(ctx); 10664 { 10665 TCGv_i64 fp0 = tcg_temp_new_i64(); 10666 10667 gen_load_fpr64(ctx, fp0, fs); 10668 gen_helper_float_cvtpw_ps(fp0, tcg_env, fp0); 10669 gen_store_fpr64(ctx, fp0, fd); 10670 } 10671 break; 10672 case OPC_CVT_S_PL: 10673 check_cp1_64bitmode(ctx); 10674 { 10675 TCGv_i32 fp0 = tcg_temp_new_i32(); 10676 10677 gen_load_fpr32(ctx, fp0, fs); 10678 gen_helper_float_cvts_pl(fp0, tcg_env, fp0); 10679 gen_store_fpr32(ctx, fp0, fd); 10680 } 10681 break; 10682 case OPC_PLL_PS: 10683 check_ps(ctx); 10684 { 10685 TCGv_i32 fp0 = tcg_temp_new_i32(); 10686 TCGv_i32 fp1 = tcg_temp_new_i32(); 10687 10688 gen_load_fpr32(ctx, fp0, fs); 10689 gen_load_fpr32(ctx, fp1, ft); 10690 gen_store_fpr32h(ctx, fp0, fd); 10691 gen_store_fpr32(ctx, fp1, fd); 10692 } 10693 break; 10694 case OPC_PLU_PS: 10695 check_ps(ctx); 10696 { 10697 TCGv_i32 fp0 = tcg_temp_new_i32(); 10698 TCGv_i32 fp1 = tcg_temp_new_i32(); 10699 10700 gen_load_fpr32(ctx, fp0, fs); 10701 gen_load_fpr32h(ctx, fp1, ft); 10702 gen_store_fpr32(ctx, fp1, fd); 10703 gen_store_fpr32h(ctx, fp0, fd); 10704 } 10705 break; 10706 case OPC_PUL_PS: 10707 check_ps(ctx); 10708 { 10709 TCGv_i32 fp0 = tcg_temp_new_i32(); 10710 TCGv_i32 fp1 = tcg_temp_new_i32(); 10711 10712 gen_load_fpr32h(ctx, fp0, fs); 10713 gen_load_fpr32(ctx, fp1, ft); 10714 gen_store_fpr32(ctx, fp1, fd); 10715 gen_store_fpr32h(ctx, fp0, fd); 10716 } 10717 break; 10718 case OPC_PUU_PS: 10719 check_ps(ctx); 10720 { 10721 TCGv_i32 fp0 = tcg_temp_new_i32(); 10722 TCGv_i32 fp1 = tcg_temp_new_i32(); 10723 10724 gen_load_fpr32h(ctx, fp0, fs); 10725 gen_load_fpr32h(ctx, fp1, ft); 10726 gen_store_fpr32(ctx, fp1, fd); 10727 gen_store_fpr32h(ctx, fp0, fd); 10728 } 10729 break; 10730 case OPC_CMP_F_PS: 10731 case OPC_CMP_UN_PS: 10732 case OPC_CMP_EQ_PS: 10733 case OPC_CMP_UEQ_PS: 10734 case OPC_CMP_OLT_PS: 10735 case OPC_CMP_ULT_PS: 10736 case OPC_CMP_OLE_PS: 10737 case OPC_CMP_ULE_PS: 10738 case OPC_CMP_SF_PS: 10739 case OPC_CMP_NGLE_PS: 10740 case OPC_CMP_SEQ_PS: 10741 case OPC_CMP_NGL_PS: 10742 case OPC_CMP_LT_PS: 10743 case OPC_CMP_NGE_PS: 10744 case OPC_CMP_LE_PS: 10745 case OPC_CMP_NGT_PS: 10746 if (ctx->opcode & (1 << 6)) { 10747 gen_cmpabs_ps(ctx, func - 48, ft, fs, cc); 10748 } else { 10749 gen_cmp_ps(ctx, func - 48, ft, fs, cc); 10750 } 10751 break; 10752 default: 10753 MIPS_INVAL("farith"); 10754 gen_reserved_instruction(ctx); 10755 return; 10756 } 10757 } 10758 10759 /* Coprocessor 3 (FPU) */ 10760 static void gen_flt3_ldst(DisasContext *ctx, uint32_t opc, 10761 int fd, int fs, int base, int index) 10762 { 10763 TCGv t0 = tcg_temp_new(); 10764 10765 if (base == 0) { 10766 gen_load_gpr(t0, index); 10767 } else if (index == 0) { 10768 gen_load_gpr(t0, base); 10769 } else { 10770 gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[index]); 10771 } 10772 /* 10773 * Don't do NOP if destination is zero: we must perform the actual 10774 * memory access. 10775 */ 10776 switch (opc) { 10777 case OPC_LWXC1: 10778 check_cop1x(ctx); 10779 { 10780 TCGv_i32 fp0 = tcg_temp_new_i32(); 10781 10782 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL); 10783 tcg_gen_trunc_tl_i32(fp0, t0); 10784 gen_store_fpr32(ctx, fp0, fd); 10785 } 10786 break; 10787 case OPC_LDXC1: 10788 check_cop1x(ctx); 10789 check_cp1_registers(ctx, fd); 10790 { 10791 TCGv_i64 fp0 = tcg_temp_new_i64(); 10792 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEUQ); 10793 gen_store_fpr64(ctx, fp0, fd); 10794 } 10795 break; 10796 case OPC_LUXC1: 10797 check_cp1_64bitmode(ctx); 10798 tcg_gen_andi_tl(t0, t0, ~0x7); 10799 { 10800 TCGv_i64 fp0 = tcg_temp_new_i64(); 10801 10802 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEUQ); 10803 gen_store_fpr64(ctx, fp0, fd); 10804 } 10805 break; 10806 case OPC_SWXC1: 10807 check_cop1x(ctx); 10808 { 10809 TCGv_i32 fp0 = tcg_temp_new_i32(); 10810 gen_load_fpr32(ctx, fp0, fs); 10811 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL); 10812 } 10813 break; 10814 case OPC_SDXC1: 10815 check_cop1x(ctx); 10816 check_cp1_registers(ctx, fs); 10817 { 10818 TCGv_i64 fp0 = tcg_temp_new_i64(); 10819 gen_load_fpr64(ctx, fp0, fs); 10820 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEUQ); 10821 } 10822 break; 10823 case OPC_SUXC1: 10824 check_cp1_64bitmode(ctx); 10825 tcg_gen_andi_tl(t0, t0, ~0x7); 10826 { 10827 TCGv_i64 fp0 = tcg_temp_new_i64(); 10828 gen_load_fpr64(ctx, fp0, fs); 10829 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEUQ); 10830 } 10831 break; 10832 } 10833 } 10834 10835 static void gen_flt3_arith(DisasContext *ctx, uint32_t opc, 10836 int fd, int fr, int fs, int ft) 10837 { 10838 switch (opc) { 10839 case OPC_ALNV_PS: 10840 check_ps(ctx); 10841 { 10842 TCGv t0 = tcg_temp_new(); 10843 TCGv_i32 fp = tcg_temp_new_i32(); 10844 TCGv_i32 fph = tcg_temp_new_i32(); 10845 TCGLabel *l1 = gen_new_label(); 10846 TCGLabel *l2 = gen_new_label(); 10847 10848 gen_load_gpr(t0, fr); 10849 tcg_gen_andi_tl(t0, t0, 0x7); 10850 10851 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); 10852 gen_load_fpr32(ctx, fp, fs); 10853 gen_load_fpr32h(ctx, fph, fs); 10854 gen_store_fpr32(ctx, fp, fd); 10855 gen_store_fpr32h(ctx, fph, fd); 10856 tcg_gen_br(l2); 10857 gen_set_label(l1); 10858 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2); 10859 if (cpu_is_bigendian(ctx)) { 10860 gen_load_fpr32(ctx, fp, fs); 10861 gen_load_fpr32h(ctx, fph, ft); 10862 gen_store_fpr32h(ctx, fp, fd); 10863 gen_store_fpr32(ctx, fph, fd); 10864 } else { 10865 gen_load_fpr32h(ctx, fph, fs); 10866 gen_load_fpr32(ctx, fp, ft); 10867 gen_store_fpr32(ctx, fph, fd); 10868 gen_store_fpr32h(ctx, fp, fd); 10869 } 10870 gen_set_label(l2); 10871 } 10872 break; 10873 case OPC_MADD_S: 10874 check_cop1x(ctx); 10875 { 10876 TCGv_i32 fp0 = tcg_temp_new_i32(); 10877 TCGv_i32 fp1 = tcg_temp_new_i32(); 10878 TCGv_i32 fp2 = tcg_temp_new_i32(); 10879 10880 gen_load_fpr32(ctx, fp0, fs); 10881 gen_load_fpr32(ctx, fp1, ft); 10882 gen_load_fpr32(ctx, fp2, fr); 10883 gen_helper_float_madd_s(fp2, tcg_env, fp0, fp1, fp2); 10884 gen_store_fpr32(ctx, fp2, fd); 10885 } 10886 break; 10887 case OPC_MADD_D: 10888 check_cop1x(ctx); 10889 check_cp1_registers(ctx, fd | fs | ft | fr); 10890 { 10891 TCGv_i64 fp0 = tcg_temp_new_i64(); 10892 TCGv_i64 fp1 = tcg_temp_new_i64(); 10893 TCGv_i64 fp2 = tcg_temp_new_i64(); 10894 10895 gen_load_fpr64(ctx, fp0, fs); 10896 gen_load_fpr64(ctx, fp1, ft); 10897 gen_load_fpr64(ctx, fp2, fr); 10898 gen_helper_float_madd_d(fp2, tcg_env, fp0, fp1, fp2); 10899 gen_store_fpr64(ctx, fp2, fd); 10900 } 10901 break; 10902 case OPC_MADD_PS: 10903 check_ps(ctx); 10904 { 10905 TCGv_i64 fp0 = tcg_temp_new_i64(); 10906 TCGv_i64 fp1 = tcg_temp_new_i64(); 10907 TCGv_i64 fp2 = tcg_temp_new_i64(); 10908 10909 gen_load_fpr64(ctx, fp0, fs); 10910 gen_load_fpr64(ctx, fp1, ft); 10911 gen_load_fpr64(ctx, fp2, fr); 10912 gen_helper_float_madd_ps(fp2, tcg_env, fp0, fp1, fp2); 10913 gen_store_fpr64(ctx, fp2, fd); 10914 } 10915 break; 10916 case OPC_MSUB_S: 10917 check_cop1x(ctx); 10918 { 10919 TCGv_i32 fp0 = tcg_temp_new_i32(); 10920 TCGv_i32 fp1 = tcg_temp_new_i32(); 10921 TCGv_i32 fp2 = tcg_temp_new_i32(); 10922 10923 gen_load_fpr32(ctx, fp0, fs); 10924 gen_load_fpr32(ctx, fp1, ft); 10925 gen_load_fpr32(ctx, fp2, fr); 10926 gen_helper_float_msub_s(fp2, tcg_env, fp0, fp1, fp2); 10927 gen_store_fpr32(ctx, fp2, fd); 10928 } 10929 break; 10930 case OPC_MSUB_D: 10931 check_cop1x(ctx); 10932 check_cp1_registers(ctx, fd | fs | ft | fr); 10933 { 10934 TCGv_i64 fp0 = tcg_temp_new_i64(); 10935 TCGv_i64 fp1 = tcg_temp_new_i64(); 10936 TCGv_i64 fp2 = tcg_temp_new_i64(); 10937 10938 gen_load_fpr64(ctx, fp0, fs); 10939 gen_load_fpr64(ctx, fp1, ft); 10940 gen_load_fpr64(ctx, fp2, fr); 10941 gen_helper_float_msub_d(fp2, tcg_env, fp0, fp1, fp2); 10942 gen_store_fpr64(ctx, fp2, fd); 10943 } 10944 break; 10945 case OPC_MSUB_PS: 10946 check_ps(ctx); 10947 { 10948 TCGv_i64 fp0 = tcg_temp_new_i64(); 10949 TCGv_i64 fp1 = tcg_temp_new_i64(); 10950 TCGv_i64 fp2 = tcg_temp_new_i64(); 10951 10952 gen_load_fpr64(ctx, fp0, fs); 10953 gen_load_fpr64(ctx, fp1, ft); 10954 gen_load_fpr64(ctx, fp2, fr); 10955 gen_helper_float_msub_ps(fp2, tcg_env, fp0, fp1, fp2); 10956 gen_store_fpr64(ctx, fp2, fd); 10957 } 10958 break; 10959 case OPC_NMADD_S: 10960 check_cop1x(ctx); 10961 { 10962 TCGv_i32 fp0 = tcg_temp_new_i32(); 10963 TCGv_i32 fp1 = tcg_temp_new_i32(); 10964 TCGv_i32 fp2 = tcg_temp_new_i32(); 10965 10966 gen_load_fpr32(ctx, fp0, fs); 10967 gen_load_fpr32(ctx, fp1, ft); 10968 gen_load_fpr32(ctx, fp2, fr); 10969 gen_helper_float_nmadd_s(fp2, tcg_env, fp0, fp1, fp2); 10970 gen_store_fpr32(ctx, fp2, fd); 10971 } 10972 break; 10973 case OPC_NMADD_D: 10974 check_cop1x(ctx); 10975 check_cp1_registers(ctx, fd | fs | ft | fr); 10976 { 10977 TCGv_i64 fp0 = tcg_temp_new_i64(); 10978 TCGv_i64 fp1 = tcg_temp_new_i64(); 10979 TCGv_i64 fp2 = tcg_temp_new_i64(); 10980 10981 gen_load_fpr64(ctx, fp0, fs); 10982 gen_load_fpr64(ctx, fp1, ft); 10983 gen_load_fpr64(ctx, fp2, fr); 10984 gen_helper_float_nmadd_d(fp2, tcg_env, fp0, fp1, fp2); 10985 gen_store_fpr64(ctx, fp2, fd); 10986 } 10987 break; 10988 case OPC_NMADD_PS: 10989 check_ps(ctx); 10990 { 10991 TCGv_i64 fp0 = tcg_temp_new_i64(); 10992 TCGv_i64 fp1 = tcg_temp_new_i64(); 10993 TCGv_i64 fp2 = tcg_temp_new_i64(); 10994 10995 gen_load_fpr64(ctx, fp0, fs); 10996 gen_load_fpr64(ctx, fp1, ft); 10997 gen_load_fpr64(ctx, fp2, fr); 10998 gen_helper_float_nmadd_ps(fp2, tcg_env, fp0, fp1, fp2); 10999 gen_store_fpr64(ctx, fp2, fd); 11000 } 11001 break; 11002 case OPC_NMSUB_S: 11003 check_cop1x(ctx); 11004 { 11005 TCGv_i32 fp0 = tcg_temp_new_i32(); 11006 TCGv_i32 fp1 = tcg_temp_new_i32(); 11007 TCGv_i32 fp2 = tcg_temp_new_i32(); 11008 11009 gen_load_fpr32(ctx, fp0, fs); 11010 gen_load_fpr32(ctx, fp1, ft); 11011 gen_load_fpr32(ctx, fp2, fr); 11012 gen_helper_float_nmsub_s(fp2, tcg_env, fp0, fp1, fp2); 11013 gen_store_fpr32(ctx, fp2, fd); 11014 } 11015 break; 11016 case OPC_NMSUB_D: 11017 check_cop1x(ctx); 11018 check_cp1_registers(ctx, fd | fs | ft | fr); 11019 { 11020 TCGv_i64 fp0 = tcg_temp_new_i64(); 11021 TCGv_i64 fp1 = tcg_temp_new_i64(); 11022 TCGv_i64 fp2 = tcg_temp_new_i64(); 11023 11024 gen_load_fpr64(ctx, fp0, fs); 11025 gen_load_fpr64(ctx, fp1, ft); 11026 gen_load_fpr64(ctx, fp2, fr); 11027 gen_helper_float_nmsub_d(fp2, tcg_env, fp0, fp1, fp2); 11028 gen_store_fpr64(ctx, fp2, fd); 11029 } 11030 break; 11031 case OPC_NMSUB_PS: 11032 check_ps(ctx); 11033 { 11034 TCGv_i64 fp0 = tcg_temp_new_i64(); 11035 TCGv_i64 fp1 = tcg_temp_new_i64(); 11036 TCGv_i64 fp2 = tcg_temp_new_i64(); 11037 11038 gen_load_fpr64(ctx, fp0, fs); 11039 gen_load_fpr64(ctx, fp1, ft); 11040 gen_load_fpr64(ctx, fp2, fr); 11041 gen_helper_float_nmsub_ps(fp2, tcg_env, fp0, fp1, fp2); 11042 gen_store_fpr64(ctx, fp2, fd); 11043 } 11044 break; 11045 default: 11046 MIPS_INVAL("flt3_arith"); 11047 gen_reserved_instruction(ctx); 11048 return; 11049 } 11050 } 11051 11052 void gen_rdhwr(DisasContext *ctx, int rt, int rd, int sel) 11053 { 11054 TCGv t0; 11055 11056 #if !defined(CONFIG_USER_ONLY) 11057 /* 11058 * The Linux kernel will emulate rdhwr if it's not supported natively. 11059 * Therefore only check the ISA in system mode. 11060 */ 11061 check_insn(ctx, ISA_MIPS_R2); 11062 #endif 11063 t0 = tcg_temp_new(); 11064 11065 switch (rd) { 11066 case 0: 11067 gen_helper_rdhwr_cpunum(t0, tcg_env); 11068 gen_store_gpr(t0, rt); 11069 break; 11070 case 1: 11071 gen_helper_rdhwr_synci_step(t0, tcg_env); 11072 gen_store_gpr(t0, rt); 11073 break; 11074 case 2: 11075 translator_io_start(&ctx->base); 11076 gen_helper_rdhwr_cc(t0, tcg_env); 11077 gen_store_gpr(t0, rt); 11078 /* 11079 * Break the TB to be able to take timer interrupts immediately 11080 * after reading count. DISAS_STOP isn't sufficient, we need to ensure 11081 * we break completely out of translated code. 11082 */ 11083 gen_save_pc(ctx->base.pc_next + 4); 11084 ctx->base.is_jmp = DISAS_EXIT; 11085 break; 11086 case 3: 11087 gen_helper_rdhwr_ccres(t0, tcg_env); 11088 gen_store_gpr(t0, rt); 11089 break; 11090 case 4: 11091 check_insn(ctx, ISA_MIPS_R6); 11092 if (sel != 0) { 11093 /* 11094 * Performance counter registers are not implemented other than 11095 * control register 0. 11096 */ 11097 generate_exception(ctx, EXCP_RI); 11098 } 11099 gen_helper_rdhwr_performance(t0, tcg_env); 11100 gen_store_gpr(t0, rt); 11101 break; 11102 case 5: 11103 check_insn(ctx, ISA_MIPS_R6); 11104 gen_helper_rdhwr_xnp(t0, tcg_env); 11105 gen_store_gpr(t0, rt); 11106 break; 11107 case 29: 11108 #if defined(CONFIG_USER_ONLY) 11109 tcg_gen_ld_tl(t0, tcg_env, 11110 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 11111 gen_store_gpr(t0, rt); 11112 break; 11113 #else 11114 if ((ctx->hflags & MIPS_HFLAG_CP0) || 11115 (ctx->hflags & MIPS_HFLAG_HWRENA_ULR)) { 11116 tcg_gen_ld_tl(t0, tcg_env, 11117 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 11118 gen_store_gpr(t0, rt); 11119 } else { 11120 gen_reserved_instruction(ctx); 11121 } 11122 break; 11123 #endif 11124 default: /* Invalid */ 11125 MIPS_INVAL("rdhwr"); 11126 gen_reserved_instruction(ctx); 11127 break; 11128 } 11129 } 11130 11131 static inline void clear_branch_hflags(DisasContext *ctx) 11132 { 11133 ctx->hflags &= ~MIPS_HFLAG_BMASK; 11134 if (ctx->base.is_jmp == DISAS_NEXT) { 11135 save_cpu_state(ctx, 0); 11136 } else { 11137 /* 11138 * It is not safe to save ctx->hflags as hflags may be changed 11139 * in execution time by the instruction in delay / forbidden slot. 11140 */ 11141 tcg_gen_andi_i32(hflags, hflags, ~MIPS_HFLAG_BMASK); 11142 } 11143 } 11144 11145 static void gen_branch(DisasContext *ctx, int insn_bytes) 11146 { 11147 if (ctx->hflags & MIPS_HFLAG_BMASK) { 11148 int proc_hflags = ctx->hflags & MIPS_HFLAG_BMASK; 11149 /* Branches completion */ 11150 clear_branch_hflags(ctx); 11151 ctx->base.is_jmp = DISAS_NORETURN; 11152 switch (proc_hflags & MIPS_HFLAG_BMASK_BASE) { 11153 case MIPS_HFLAG_FBNSLOT: 11154 gen_goto_tb(ctx, 0, ctx->base.pc_next + insn_bytes); 11155 break; 11156 case MIPS_HFLAG_B: 11157 /* unconditional branch */ 11158 if (proc_hflags & MIPS_HFLAG_BX) { 11159 tcg_gen_xori_i32(hflags, hflags, MIPS_HFLAG_M16); 11160 } 11161 gen_goto_tb(ctx, 0, ctx->btarget); 11162 break; 11163 case MIPS_HFLAG_BL: 11164 /* blikely taken case */ 11165 gen_goto_tb(ctx, 0, ctx->btarget); 11166 break; 11167 case MIPS_HFLAG_BC: 11168 /* Conditional branch */ 11169 { 11170 TCGLabel *l1 = gen_new_label(); 11171 11172 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1); 11173 gen_goto_tb(ctx, 1, ctx->base.pc_next + insn_bytes); 11174 gen_set_label(l1); 11175 gen_goto_tb(ctx, 0, ctx->btarget); 11176 } 11177 break; 11178 case MIPS_HFLAG_BR: 11179 /* unconditional branch to register */ 11180 if (ctx->insn_flags & (ASE_MIPS16 | ASE_MICROMIPS)) { 11181 TCGv t0 = tcg_temp_new(); 11182 TCGv_i32 t1 = tcg_temp_new_i32(); 11183 11184 tcg_gen_andi_tl(t0, btarget, 0x1); 11185 tcg_gen_trunc_tl_i32(t1, t0); 11186 tcg_gen_andi_i32(hflags, hflags, ~(uint32_t)MIPS_HFLAG_M16); 11187 tcg_gen_shli_i32(t1, t1, MIPS_HFLAG_M16_SHIFT); 11188 tcg_gen_or_i32(hflags, hflags, t1); 11189 11190 tcg_gen_andi_tl(cpu_PC, btarget, ~(target_ulong)0x1); 11191 } else { 11192 tcg_gen_mov_tl(cpu_PC, btarget); 11193 } 11194 tcg_gen_lookup_and_goto_ptr(); 11195 break; 11196 default: 11197 LOG_DISAS("unknown branch 0x%x\n", proc_hflags); 11198 gen_reserved_instruction(ctx); 11199 } 11200 } 11201 } 11202 11203 /* Compact Branches */ 11204 static void gen_compute_compact_branch(DisasContext *ctx, uint32_t opc, 11205 int rs, int rt, int32_t offset) 11206 { 11207 int bcond_compute = 0; 11208 TCGv t0 = tcg_temp_new(); 11209 TCGv t1 = tcg_temp_new(); 11210 int m16_lowbit = (ctx->hflags & MIPS_HFLAG_M16) != 0; 11211 11212 if (ctx->hflags & MIPS_HFLAG_BMASK) { 11213 #ifdef MIPS_DEBUG_DISAS 11214 LOG_DISAS("Branch in delay / forbidden slot at PC 0x%016" 11215 VADDR_PRIx "\n", ctx->base.pc_next); 11216 #endif 11217 gen_reserved_instruction(ctx); 11218 return; 11219 } 11220 11221 /* Load needed operands and calculate btarget */ 11222 switch (opc) { 11223 /* compact branch */ 11224 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC */ 11225 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */ 11226 gen_load_gpr(t0, rs); 11227 gen_load_gpr(t1, rt); 11228 bcond_compute = 1; 11229 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11230 if (rs <= rt && rs == 0) { 11231 /* OPC_BEQZALC, OPC_BNEZALC */ 11232 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit); 11233 } 11234 break; 11235 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC */ 11236 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC */ 11237 gen_load_gpr(t0, rs); 11238 gen_load_gpr(t1, rt); 11239 bcond_compute = 1; 11240 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11241 break; 11242 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC */ 11243 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC */ 11244 if (rs == 0 || rs == rt) { 11245 /* OPC_BLEZALC, OPC_BGEZALC */ 11246 /* OPC_BGTZALC, OPC_BLTZALC */ 11247 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit); 11248 } 11249 gen_load_gpr(t0, rs); 11250 gen_load_gpr(t1, rt); 11251 bcond_compute = 1; 11252 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11253 break; 11254 case OPC_BC: 11255 case OPC_BALC: 11256 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11257 break; 11258 case OPC_BEQZC: 11259 case OPC_BNEZC: 11260 if (rs != 0) { 11261 /* OPC_BEQZC, OPC_BNEZC */ 11262 gen_load_gpr(t0, rs); 11263 bcond_compute = 1; 11264 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11265 } else { 11266 /* OPC_JIC, OPC_JIALC */ 11267 TCGv tbase = tcg_temp_new(); 11268 TCGv toffset = tcg_constant_tl(offset); 11269 11270 gen_load_gpr(tbase, rt); 11271 gen_op_addr_add(ctx, btarget, tbase, toffset); 11272 } 11273 break; 11274 default: 11275 MIPS_INVAL("Compact branch/jump"); 11276 gen_reserved_instruction(ctx); 11277 return; 11278 } 11279 11280 if (bcond_compute == 0) { 11281 /* Unconditional compact branch */ 11282 switch (opc) { 11283 case OPC_JIALC: 11284 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit); 11285 /* Fallthrough */ 11286 case OPC_JIC: 11287 ctx->hflags |= MIPS_HFLAG_BR; 11288 break; 11289 case OPC_BALC: 11290 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit); 11291 /* Fallthrough */ 11292 case OPC_BC: 11293 ctx->hflags |= MIPS_HFLAG_B; 11294 break; 11295 default: 11296 MIPS_INVAL("Compact branch/jump"); 11297 gen_reserved_instruction(ctx); 11298 return; 11299 } 11300 11301 /* Generating branch here as compact branches don't have delay slot */ 11302 gen_branch(ctx, 4); 11303 } else { 11304 /* Conditional compact branch */ 11305 TCGLabel *fs = gen_new_label(); 11306 save_cpu_state(ctx, 0); 11307 11308 switch (opc) { 11309 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC */ 11310 if (rs == 0 && rt != 0) { 11311 /* OPC_BLEZALC */ 11312 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LE), t1, 0, fs); 11313 } else if (rs != 0 && rt != 0 && rs == rt) { 11314 /* OPC_BGEZALC */ 11315 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GE), t1, 0, fs); 11316 } else { 11317 /* OPC_BGEUC */ 11318 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_GEU), t0, t1, fs); 11319 } 11320 break; 11321 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC */ 11322 if (rs == 0 && rt != 0) { 11323 /* OPC_BGTZALC */ 11324 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GT), t1, 0, fs); 11325 } else if (rs != 0 && rt != 0 && rs == rt) { 11326 /* OPC_BLTZALC */ 11327 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LT), t1, 0, fs); 11328 } else { 11329 /* OPC_BLTUC */ 11330 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_LTU), t0, t1, fs); 11331 } 11332 break; 11333 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC */ 11334 if (rs == 0 && rt != 0) { 11335 /* OPC_BLEZC */ 11336 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LE), t1, 0, fs); 11337 } else if (rs != 0 && rt != 0 && rs == rt) { 11338 /* OPC_BGEZC */ 11339 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GE), t1, 0, fs); 11340 } else { 11341 /* OPC_BGEC */ 11342 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_GE), t0, t1, fs); 11343 } 11344 break; 11345 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC */ 11346 if (rs == 0 && rt != 0) { 11347 /* OPC_BGTZC */ 11348 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GT), t1, 0, fs); 11349 } else if (rs != 0 && rt != 0 && rs == rt) { 11350 /* OPC_BLTZC */ 11351 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LT), t1, 0, fs); 11352 } else { 11353 /* OPC_BLTC */ 11354 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_LT), t0, t1, fs); 11355 } 11356 break; 11357 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC */ 11358 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */ 11359 if (rs >= rt) { 11360 /* OPC_BOVC, OPC_BNVC */ 11361 TCGv t2 = tcg_temp_new(); 11362 TCGv t3 = tcg_temp_new(); 11363 TCGv t4 = tcg_temp_new(); 11364 TCGv input_overflow = tcg_temp_new(); 11365 11366 gen_load_gpr(t0, rs); 11367 gen_load_gpr(t1, rt); 11368 tcg_gen_ext32s_tl(t2, t0); 11369 tcg_gen_setcond_tl(TCG_COND_NE, input_overflow, t2, t0); 11370 tcg_gen_ext32s_tl(t3, t1); 11371 tcg_gen_setcond_tl(TCG_COND_NE, t4, t3, t1); 11372 tcg_gen_or_tl(input_overflow, input_overflow, t4); 11373 11374 tcg_gen_add_tl(t4, t2, t3); 11375 tcg_gen_ext32s_tl(t4, t4); 11376 tcg_gen_xor_tl(t2, t2, t3); 11377 tcg_gen_xor_tl(t3, t4, t3); 11378 tcg_gen_andc_tl(t2, t3, t2); 11379 tcg_gen_setcondi_tl(TCG_COND_LT, t4, t2, 0); 11380 tcg_gen_or_tl(t4, t4, input_overflow); 11381 if (opc == OPC_BOVC) { 11382 /* OPC_BOVC */ 11383 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t4, 0, fs); 11384 } else { 11385 /* OPC_BNVC */ 11386 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t4, 0, fs); 11387 } 11388 } else if (rs < rt && rs == 0) { 11389 /* OPC_BEQZALC, OPC_BNEZALC */ 11390 if (opc == OPC_BEQZALC) { 11391 /* OPC_BEQZALC */ 11392 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t1, 0, fs); 11393 } else { 11394 /* OPC_BNEZALC */ 11395 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t1, 0, fs); 11396 } 11397 } else { 11398 /* OPC_BEQC, OPC_BNEC */ 11399 if (opc == OPC_BEQC) { 11400 /* OPC_BEQC */ 11401 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_EQ), t0, t1, fs); 11402 } else { 11403 /* OPC_BNEC */ 11404 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_NE), t0, t1, fs); 11405 } 11406 } 11407 break; 11408 case OPC_BEQZC: 11409 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t0, 0, fs); 11410 break; 11411 case OPC_BNEZC: 11412 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t0, 0, fs); 11413 break; 11414 default: 11415 MIPS_INVAL("Compact conditional branch/jump"); 11416 gen_reserved_instruction(ctx); 11417 return; 11418 } 11419 11420 /* Generating branch here as compact branches don't have delay slot */ 11421 gen_goto_tb(ctx, 1, ctx->btarget); 11422 gen_set_label(fs); 11423 11424 ctx->hflags |= MIPS_HFLAG_FBNSLOT; 11425 } 11426 } 11427 11428 void gen_addiupc(DisasContext *ctx, int rx, int imm, 11429 int is_64_bit, int extended) 11430 { 11431 TCGv t0; 11432 11433 if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) { 11434 gen_reserved_instruction(ctx); 11435 return; 11436 } 11437 11438 t0 = tcg_temp_new(); 11439 11440 tcg_gen_movi_tl(t0, pc_relative_pc(ctx)); 11441 tcg_gen_addi_tl(cpu_gpr[rx], t0, imm); 11442 if (!is_64_bit) { 11443 tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]); 11444 } 11445 } 11446 11447 static void gen_cache_operation(DisasContext *ctx, uint32_t op, int base, 11448 int16_t offset) 11449 { 11450 TCGv_i32 t0 = tcg_constant_i32(op); 11451 TCGv t1 = tcg_temp_new(); 11452 gen_base_offset_addr(ctx, t1, base, offset); 11453 gen_helper_cache(tcg_env, t1, t0); 11454 } 11455 11456 static inline bool is_uhi(DisasContext *ctx, int sdbbp_code) 11457 { 11458 #ifdef CONFIG_USER_ONLY 11459 return false; 11460 #else 11461 bool is_user = (ctx->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM; 11462 return semihosting_enabled(is_user) && sdbbp_code == 1; 11463 #endif 11464 } 11465 11466 void gen_ldxs(DisasContext *ctx, int base, int index, int rd) 11467 { 11468 TCGv t0 = tcg_temp_new(); 11469 TCGv t1 = tcg_temp_new(); 11470 11471 gen_load_gpr(t0, base); 11472 11473 if (index != 0) { 11474 gen_load_gpr(t1, index); 11475 tcg_gen_shli_tl(t1, t1, 2); 11476 gen_op_addr_add(ctx, t0, t1, t0); 11477 } 11478 11479 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TESL); 11480 gen_store_gpr(t1, rd); 11481 } 11482 11483 static void gen_sync(int stype) 11484 { 11485 TCGBar tcg_mo = TCG_BAR_SC; 11486 11487 switch (stype) { 11488 case 0x4: /* SYNC_WMB */ 11489 tcg_mo |= TCG_MO_ST_ST; 11490 break; 11491 case 0x10: /* SYNC_MB */ 11492 tcg_mo |= TCG_MO_ALL; 11493 break; 11494 case 0x11: /* SYNC_ACQUIRE */ 11495 tcg_mo |= TCG_MO_LD_LD | TCG_MO_LD_ST; 11496 break; 11497 case 0x12: /* SYNC_RELEASE */ 11498 tcg_mo |= TCG_MO_ST_ST | TCG_MO_LD_ST; 11499 break; 11500 case 0x13: /* SYNC_RMB */ 11501 tcg_mo |= TCG_MO_LD_LD; 11502 break; 11503 default: 11504 tcg_mo |= TCG_MO_ALL; 11505 break; 11506 } 11507 11508 tcg_gen_mb(tcg_mo); 11509 } 11510 11511 /* ISA extensions (ASEs) */ 11512 11513 /* MIPS16 extension to MIPS32 */ 11514 #include "mips16e_translate.c.inc" 11515 11516 /* microMIPS extension to MIPS32/MIPS64 */ 11517 11518 /* 11519 * Values for microMIPS fmt field. Variable-width, depending on which 11520 * formats the instruction supports. 11521 */ 11522 enum { 11523 FMT_SD_S = 0, 11524 FMT_SD_D = 1, 11525 11526 FMT_SDPS_S = 0, 11527 FMT_SDPS_D = 1, 11528 FMT_SDPS_PS = 2, 11529 11530 FMT_SWL_S = 0, 11531 FMT_SWL_W = 1, 11532 FMT_SWL_L = 2, 11533 11534 FMT_DWL_D = 0, 11535 FMT_DWL_W = 1, 11536 FMT_DWL_L = 2 11537 }; 11538 11539 #include "micromips_translate.c.inc" 11540 11541 #include "nanomips_translate.c.inc" 11542 11543 /* MIPSDSP functions. */ 11544 11545 /* Indexed load is not for DSP only */ 11546 static void gen_mips_lx(DisasContext *ctx, uint32_t opc, 11547 int rd, int base, int offset) 11548 { 11549 TCGv t0; 11550 11551 if (!(ctx->insn_flags & INSN_OCTEON)) { 11552 check_dsp(ctx); 11553 } 11554 t0 = tcg_temp_new(); 11555 11556 if (base == 0) { 11557 gen_load_gpr(t0, offset); 11558 } else if (offset == 0) { 11559 gen_load_gpr(t0, base); 11560 } else { 11561 gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[offset]); 11562 } 11563 11564 switch (opc) { 11565 case OPC_LBUX: 11566 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_UB); 11567 gen_store_gpr(t0, rd); 11568 break; 11569 case OPC_LHX: 11570 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW); 11571 gen_store_gpr(t0, rd); 11572 break; 11573 case OPC_LWX: 11574 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL); 11575 gen_store_gpr(t0, rd); 11576 break; 11577 #if defined(TARGET_MIPS64) 11578 case OPC_LDX: 11579 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ); 11580 gen_store_gpr(t0, rd); 11581 break; 11582 #endif 11583 } 11584 } 11585 11586 static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, 11587 int ret, int v1, int v2) 11588 { 11589 TCGv v1_t; 11590 TCGv v2_t; 11591 11592 if (ret == 0) { 11593 /* Treat as NOP. */ 11594 return; 11595 } 11596 11597 v1_t = tcg_temp_new(); 11598 v2_t = tcg_temp_new(); 11599 11600 gen_load_gpr(v1_t, v1); 11601 gen_load_gpr(v2_t, v2); 11602 11603 switch (op1) { 11604 /* OPC_MULT_G_2E is equal OPC_ADDUH_QB_DSP */ 11605 case OPC_MULT_G_2E: 11606 check_dsp_r2(ctx); 11607 switch (op2) { 11608 case OPC_ADDUH_QB: 11609 gen_helper_adduh_qb(cpu_gpr[ret], v1_t, v2_t); 11610 break; 11611 case OPC_ADDUH_R_QB: 11612 gen_helper_adduh_r_qb(cpu_gpr[ret], v1_t, v2_t); 11613 break; 11614 case OPC_ADDQH_PH: 11615 gen_helper_addqh_ph(cpu_gpr[ret], v1_t, v2_t); 11616 break; 11617 case OPC_ADDQH_R_PH: 11618 gen_helper_addqh_r_ph(cpu_gpr[ret], v1_t, v2_t); 11619 break; 11620 case OPC_ADDQH_W: 11621 gen_helper_addqh_w(cpu_gpr[ret], v1_t, v2_t); 11622 break; 11623 case OPC_ADDQH_R_W: 11624 gen_helper_addqh_r_w(cpu_gpr[ret], v1_t, v2_t); 11625 break; 11626 case OPC_SUBUH_QB: 11627 gen_helper_subuh_qb(cpu_gpr[ret], v1_t, v2_t); 11628 break; 11629 case OPC_SUBUH_R_QB: 11630 gen_helper_subuh_r_qb(cpu_gpr[ret], v1_t, v2_t); 11631 break; 11632 case OPC_SUBQH_PH: 11633 gen_helper_subqh_ph(cpu_gpr[ret], v1_t, v2_t); 11634 break; 11635 case OPC_SUBQH_R_PH: 11636 gen_helper_subqh_r_ph(cpu_gpr[ret], v1_t, v2_t); 11637 break; 11638 case OPC_SUBQH_W: 11639 gen_helper_subqh_w(cpu_gpr[ret], v1_t, v2_t); 11640 break; 11641 case OPC_SUBQH_R_W: 11642 gen_helper_subqh_r_w(cpu_gpr[ret], v1_t, v2_t); 11643 break; 11644 } 11645 break; 11646 case OPC_ABSQ_S_PH_DSP: 11647 switch (op2) { 11648 case OPC_ABSQ_S_QB: 11649 check_dsp_r2(ctx); 11650 gen_helper_absq_s_qb(cpu_gpr[ret], v2_t, tcg_env); 11651 break; 11652 case OPC_ABSQ_S_PH: 11653 check_dsp(ctx); 11654 gen_helper_absq_s_ph(cpu_gpr[ret], v2_t, tcg_env); 11655 break; 11656 case OPC_ABSQ_S_W: 11657 check_dsp(ctx); 11658 gen_helper_absq_s_w(cpu_gpr[ret], v2_t, tcg_env); 11659 break; 11660 case OPC_PRECEQ_W_PHL: 11661 check_dsp(ctx); 11662 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0xFFFF0000); 11663 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]); 11664 break; 11665 case OPC_PRECEQ_W_PHR: 11666 check_dsp(ctx); 11667 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0x0000FFFF); 11668 tcg_gen_shli_tl(cpu_gpr[ret], cpu_gpr[ret], 16); 11669 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]); 11670 break; 11671 case OPC_PRECEQU_PH_QBL: 11672 check_dsp(ctx); 11673 gen_helper_precequ_ph_qbl(cpu_gpr[ret], v2_t); 11674 break; 11675 case OPC_PRECEQU_PH_QBR: 11676 check_dsp(ctx); 11677 gen_helper_precequ_ph_qbr(cpu_gpr[ret], v2_t); 11678 break; 11679 case OPC_PRECEQU_PH_QBLA: 11680 check_dsp(ctx); 11681 gen_helper_precequ_ph_qbla(cpu_gpr[ret], v2_t); 11682 break; 11683 case OPC_PRECEQU_PH_QBRA: 11684 check_dsp(ctx); 11685 gen_helper_precequ_ph_qbra(cpu_gpr[ret], v2_t); 11686 break; 11687 case OPC_PRECEU_PH_QBL: 11688 check_dsp(ctx); 11689 gen_helper_preceu_ph_qbl(cpu_gpr[ret], v2_t); 11690 break; 11691 case OPC_PRECEU_PH_QBR: 11692 check_dsp(ctx); 11693 gen_helper_preceu_ph_qbr(cpu_gpr[ret], v2_t); 11694 break; 11695 case OPC_PRECEU_PH_QBLA: 11696 check_dsp(ctx); 11697 gen_helper_preceu_ph_qbla(cpu_gpr[ret], v2_t); 11698 break; 11699 case OPC_PRECEU_PH_QBRA: 11700 check_dsp(ctx); 11701 gen_helper_preceu_ph_qbra(cpu_gpr[ret], v2_t); 11702 break; 11703 } 11704 break; 11705 case OPC_ADDU_QB_DSP: 11706 switch (op2) { 11707 case OPC_ADDQ_PH: 11708 check_dsp(ctx); 11709 gen_helper_addq_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11710 break; 11711 case OPC_ADDQ_S_PH: 11712 check_dsp(ctx); 11713 gen_helper_addq_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11714 break; 11715 case OPC_ADDQ_S_W: 11716 check_dsp(ctx); 11717 gen_helper_addq_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11718 break; 11719 case OPC_ADDU_QB: 11720 check_dsp(ctx); 11721 gen_helper_addu_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11722 break; 11723 case OPC_ADDU_S_QB: 11724 check_dsp(ctx); 11725 gen_helper_addu_s_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11726 break; 11727 case OPC_ADDU_PH: 11728 check_dsp_r2(ctx); 11729 gen_helper_addu_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11730 break; 11731 case OPC_ADDU_S_PH: 11732 check_dsp_r2(ctx); 11733 gen_helper_addu_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11734 break; 11735 case OPC_SUBQ_PH: 11736 check_dsp(ctx); 11737 gen_helper_subq_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11738 break; 11739 case OPC_SUBQ_S_PH: 11740 check_dsp(ctx); 11741 gen_helper_subq_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11742 break; 11743 case OPC_SUBQ_S_W: 11744 check_dsp(ctx); 11745 gen_helper_subq_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11746 break; 11747 case OPC_SUBU_QB: 11748 check_dsp(ctx); 11749 gen_helper_subu_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11750 break; 11751 case OPC_SUBU_S_QB: 11752 check_dsp(ctx); 11753 gen_helper_subu_s_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11754 break; 11755 case OPC_SUBU_PH: 11756 check_dsp_r2(ctx); 11757 gen_helper_subu_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11758 break; 11759 case OPC_SUBU_S_PH: 11760 check_dsp_r2(ctx); 11761 gen_helper_subu_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11762 break; 11763 case OPC_ADDSC: 11764 check_dsp(ctx); 11765 gen_helper_addsc(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11766 break; 11767 case OPC_ADDWC: 11768 check_dsp(ctx); 11769 gen_helper_addwc(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11770 break; 11771 case OPC_MODSUB: 11772 check_dsp(ctx); 11773 gen_helper_modsub(cpu_gpr[ret], v1_t, v2_t); 11774 break; 11775 case OPC_RADDU_W_QB: 11776 check_dsp(ctx); 11777 gen_helper_raddu_w_qb(cpu_gpr[ret], v1_t); 11778 break; 11779 } 11780 break; 11781 case OPC_CMPU_EQ_QB_DSP: 11782 switch (op2) { 11783 case OPC_PRECR_QB_PH: 11784 check_dsp_r2(ctx); 11785 gen_helper_precr_qb_ph(cpu_gpr[ret], v1_t, v2_t); 11786 break; 11787 case OPC_PRECRQ_QB_PH: 11788 check_dsp(ctx); 11789 gen_helper_precrq_qb_ph(cpu_gpr[ret], v1_t, v2_t); 11790 break; 11791 case OPC_PRECR_SRA_PH_W: 11792 check_dsp_r2(ctx); 11793 { 11794 TCGv_i32 sa_t = tcg_constant_i32(v2); 11795 gen_helper_precr_sra_ph_w(cpu_gpr[ret], sa_t, v1_t, 11796 cpu_gpr[ret]); 11797 break; 11798 } 11799 case OPC_PRECR_SRA_R_PH_W: 11800 check_dsp_r2(ctx); 11801 { 11802 TCGv_i32 sa_t = tcg_constant_i32(v2); 11803 gen_helper_precr_sra_r_ph_w(cpu_gpr[ret], sa_t, v1_t, 11804 cpu_gpr[ret]); 11805 break; 11806 } 11807 case OPC_PRECRQ_PH_W: 11808 check_dsp(ctx); 11809 gen_helper_precrq_ph_w(cpu_gpr[ret], v1_t, v2_t); 11810 break; 11811 case OPC_PRECRQ_RS_PH_W: 11812 check_dsp(ctx); 11813 gen_helper_precrq_rs_ph_w(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11814 break; 11815 case OPC_PRECRQU_S_QB_PH: 11816 check_dsp(ctx); 11817 gen_helper_precrqu_s_qb_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11818 break; 11819 } 11820 break; 11821 #ifdef TARGET_MIPS64 11822 case OPC_ABSQ_S_QH_DSP: 11823 switch (op2) { 11824 case OPC_PRECEQ_L_PWL: 11825 check_dsp(ctx); 11826 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0xFFFFFFFF00000000ull); 11827 break; 11828 case OPC_PRECEQ_L_PWR: 11829 check_dsp(ctx); 11830 tcg_gen_shli_tl(cpu_gpr[ret], v2_t, 32); 11831 break; 11832 case OPC_PRECEQ_PW_QHL: 11833 check_dsp(ctx); 11834 gen_helper_preceq_pw_qhl(cpu_gpr[ret], v2_t); 11835 break; 11836 case OPC_PRECEQ_PW_QHR: 11837 check_dsp(ctx); 11838 gen_helper_preceq_pw_qhr(cpu_gpr[ret], v2_t); 11839 break; 11840 case OPC_PRECEQ_PW_QHLA: 11841 check_dsp(ctx); 11842 gen_helper_preceq_pw_qhla(cpu_gpr[ret], v2_t); 11843 break; 11844 case OPC_PRECEQ_PW_QHRA: 11845 check_dsp(ctx); 11846 gen_helper_preceq_pw_qhra(cpu_gpr[ret], v2_t); 11847 break; 11848 case OPC_PRECEQU_QH_OBL: 11849 check_dsp(ctx); 11850 gen_helper_precequ_qh_obl(cpu_gpr[ret], v2_t); 11851 break; 11852 case OPC_PRECEQU_QH_OBR: 11853 check_dsp(ctx); 11854 gen_helper_precequ_qh_obr(cpu_gpr[ret], v2_t); 11855 break; 11856 case OPC_PRECEQU_QH_OBLA: 11857 check_dsp(ctx); 11858 gen_helper_precequ_qh_obla(cpu_gpr[ret], v2_t); 11859 break; 11860 case OPC_PRECEQU_QH_OBRA: 11861 check_dsp(ctx); 11862 gen_helper_precequ_qh_obra(cpu_gpr[ret], v2_t); 11863 break; 11864 case OPC_PRECEU_QH_OBL: 11865 check_dsp(ctx); 11866 gen_helper_preceu_qh_obl(cpu_gpr[ret], v2_t); 11867 break; 11868 case OPC_PRECEU_QH_OBR: 11869 check_dsp(ctx); 11870 gen_helper_preceu_qh_obr(cpu_gpr[ret], v2_t); 11871 break; 11872 case OPC_PRECEU_QH_OBLA: 11873 check_dsp(ctx); 11874 gen_helper_preceu_qh_obla(cpu_gpr[ret], v2_t); 11875 break; 11876 case OPC_PRECEU_QH_OBRA: 11877 check_dsp(ctx); 11878 gen_helper_preceu_qh_obra(cpu_gpr[ret], v2_t); 11879 break; 11880 case OPC_ABSQ_S_OB: 11881 check_dsp_r2(ctx); 11882 gen_helper_absq_s_ob(cpu_gpr[ret], v2_t, tcg_env); 11883 break; 11884 case OPC_ABSQ_S_PW: 11885 check_dsp(ctx); 11886 gen_helper_absq_s_pw(cpu_gpr[ret], v2_t, tcg_env); 11887 break; 11888 case OPC_ABSQ_S_QH: 11889 check_dsp(ctx); 11890 gen_helper_absq_s_qh(cpu_gpr[ret], v2_t, tcg_env); 11891 break; 11892 } 11893 break; 11894 case OPC_ADDU_OB_DSP: 11895 switch (op2) { 11896 case OPC_RADDU_L_OB: 11897 check_dsp(ctx); 11898 gen_helper_raddu_l_ob(cpu_gpr[ret], v1_t); 11899 break; 11900 case OPC_SUBQ_PW: 11901 check_dsp(ctx); 11902 gen_helper_subq_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11903 break; 11904 case OPC_SUBQ_S_PW: 11905 check_dsp(ctx); 11906 gen_helper_subq_s_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11907 break; 11908 case OPC_SUBQ_QH: 11909 check_dsp(ctx); 11910 gen_helper_subq_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11911 break; 11912 case OPC_SUBQ_S_QH: 11913 check_dsp(ctx); 11914 gen_helper_subq_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11915 break; 11916 case OPC_SUBU_OB: 11917 check_dsp(ctx); 11918 gen_helper_subu_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11919 break; 11920 case OPC_SUBU_S_OB: 11921 check_dsp(ctx); 11922 gen_helper_subu_s_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11923 break; 11924 case OPC_SUBU_QH: 11925 check_dsp_r2(ctx); 11926 gen_helper_subu_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11927 break; 11928 case OPC_SUBU_S_QH: 11929 check_dsp_r2(ctx); 11930 gen_helper_subu_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11931 break; 11932 case OPC_SUBUH_OB: 11933 check_dsp_r2(ctx); 11934 gen_helper_subuh_ob(cpu_gpr[ret], v1_t, v2_t); 11935 break; 11936 case OPC_SUBUH_R_OB: 11937 check_dsp_r2(ctx); 11938 gen_helper_subuh_r_ob(cpu_gpr[ret], v1_t, v2_t); 11939 break; 11940 case OPC_ADDQ_PW: 11941 check_dsp(ctx); 11942 gen_helper_addq_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11943 break; 11944 case OPC_ADDQ_S_PW: 11945 check_dsp(ctx); 11946 gen_helper_addq_s_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11947 break; 11948 case OPC_ADDQ_QH: 11949 check_dsp(ctx); 11950 gen_helper_addq_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11951 break; 11952 case OPC_ADDQ_S_QH: 11953 check_dsp(ctx); 11954 gen_helper_addq_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11955 break; 11956 case OPC_ADDU_OB: 11957 check_dsp(ctx); 11958 gen_helper_addu_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11959 break; 11960 case OPC_ADDU_S_OB: 11961 check_dsp(ctx); 11962 gen_helper_addu_s_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11963 break; 11964 case OPC_ADDU_QH: 11965 check_dsp_r2(ctx); 11966 gen_helper_addu_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11967 break; 11968 case OPC_ADDU_S_QH: 11969 check_dsp_r2(ctx); 11970 gen_helper_addu_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11971 break; 11972 case OPC_ADDUH_OB: 11973 check_dsp_r2(ctx); 11974 gen_helper_adduh_ob(cpu_gpr[ret], v1_t, v2_t); 11975 break; 11976 case OPC_ADDUH_R_OB: 11977 check_dsp_r2(ctx); 11978 gen_helper_adduh_r_ob(cpu_gpr[ret], v1_t, v2_t); 11979 break; 11980 } 11981 break; 11982 case OPC_CMPU_EQ_OB_DSP: 11983 switch (op2) { 11984 case OPC_PRECR_OB_QH: 11985 check_dsp_r2(ctx); 11986 gen_helper_precr_ob_qh(cpu_gpr[ret], v1_t, v2_t); 11987 break; 11988 case OPC_PRECR_SRA_QH_PW: 11989 check_dsp_r2(ctx); 11990 { 11991 TCGv_i32 ret_t = tcg_constant_i32(ret); 11992 gen_helper_precr_sra_qh_pw(v2_t, v1_t, v2_t, ret_t); 11993 break; 11994 } 11995 case OPC_PRECR_SRA_R_QH_PW: 11996 check_dsp_r2(ctx); 11997 { 11998 TCGv_i32 sa_v = tcg_constant_i32(ret); 11999 gen_helper_precr_sra_r_qh_pw(v2_t, v1_t, v2_t, sa_v); 12000 break; 12001 } 12002 case OPC_PRECRQ_OB_QH: 12003 check_dsp(ctx); 12004 gen_helper_precrq_ob_qh(cpu_gpr[ret], v1_t, v2_t); 12005 break; 12006 case OPC_PRECRQ_PW_L: 12007 check_dsp(ctx); 12008 gen_helper_precrq_pw_l(cpu_gpr[ret], v1_t, v2_t); 12009 break; 12010 case OPC_PRECRQ_QH_PW: 12011 check_dsp(ctx); 12012 gen_helper_precrq_qh_pw(cpu_gpr[ret], v1_t, v2_t); 12013 break; 12014 case OPC_PRECRQ_RS_QH_PW: 12015 check_dsp(ctx); 12016 gen_helper_precrq_rs_qh_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12017 break; 12018 case OPC_PRECRQU_S_OB_QH: 12019 check_dsp(ctx); 12020 gen_helper_precrqu_s_ob_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12021 break; 12022 } 12023 break; 12024 #endif 12025 } 12026 } 12027 12028 static void gen_mipsdsp_shift(DisasContext *ctx, uint32_t opc, 12029 int ret, int v1, int v2) 12030 { 12031 uint32_t op2; 12032 TCGv t0; 12033 TCGv v1_t; 12034 TCGv v2_t; 12035 12036 if (ret == 0) { 12037 /* Treat as NOP. */ 12038 return; 12039 } 12040 12041 t0 = tcg_temp_new(); 12042 v1_t = tcg_temp_new(); 12043 v2_t = tcg_temp_new(); 12044 12045 tcg_gen_movi_tl(t0, v1); 12046 gen_load_gpr(v1_t, v1); 12047 gen_load_gpr(v2_t, v2); 12048 12049 switch (opc) { 12050 case OPC_SHLL_QB_DSP: 12051 { 12052 op2 = MASK_SHLL_QB(ctx->opcode); 12053 switch (op2) { 12054 case OPC_SHLL_QB: 12055 check_dsp(ctx); 12056 gen_helper_shll_qb(cpu_gpr[ret], t0, v2_t, tcg_env); 12057 break; 12058 case OPC_SHLLV_QB: 12059 check_dsp(ctx); 12060 gen_helper_shll_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12061 break; 12062 case OPC_SHLL_PH: 12063 check_dsp(ctx); 12064 gen_helper_shll_ph(cpu_gpr[ret], t0, v2_t, tcg_env); 12065 break; 12066 case OPC_SHLLV_PH: 12067 check_dsp(ctx); 12068 gen_helper_shll_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12069 break; 12070 case OPC_SHLL_S_PH: 12071 check_dsp(ctx); 12072 gen_helper_shll_s_ph(cpu_gpr[ret], t0, v2_t, tcg_env); 12073 break; 12074 case OPC_SHLLV_S_PH: 12075 check_dsp(ctx); 12076 gen_helper_shll_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12077 break; 12078 case OPC_SHLL_S_W: 12079 check_dsp(ctx); 12080 gen_helper_shll_s_w(cpu_gpr[ret], t0, v2_t, tcg_env); 12081 break; 12082 case OPC_SHLLV_S_W: 12083 check_dsp(ctx); 12084 gen_helper_shll_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12085 break; 12086 case OPC_SHRL_QB: 12087 check_dsp(ctx); 12088 gen_helper_shrl_qb(cpu_gpr[ret], t0, v2_t); 12089 break; 12090 case OPC_SHRLV_QB: 12091 check_dsp(ctx); 12092 gen_helper_shrl_qb(cpu_gpr[ret], v1_t, v2_t); 12093 break; 12094 case OPC_SHRL_PH: 12095 check_dsp_r2(ctx); 12096 gen_helper_shrl_ph(cpu_gpr[ret], t0, v2_t); 12097 break; 12098 case OPC_SHRLV_PH: 12099 check_dsp_r2(ctx); 12100 gen_helper_shrl_ph(cpu_gpr[ret], v1_t, v2_t); 12101 break; 12102 case OPC_SHRA_QB: 12103 check_dsp_r2(ctx); 12104 gen_helper_shra_qb(cpu_gpr[ret], t0, v2_t); 12105 break; 12106 case OPC_SHRA_R_QB: 12107 check_dsp_r2(ctx); 12108 gen_helper_shra_r_qb(cpu_gpr[ret], t0, v2_t); 12109 break; 12110 case OPC_SHRAV_QB: 12111 check_dsp_r2(ctx); 12112 gen_helper_shra_qb(cpu_gpr[ret], v1_t, v2_t); 12113 break; 12114 case OPC_SHRAV_R_QB: 12115 check_dsp_r2(ctx); 12116 gen_helper_shra_r_qb(cpu_gpr[ret], v1_t, v2_t); 12117 break; 12118 case OPC_SHRA_PH: 12119 check_dsp(ctx); 12120 gen_helper_shra_ph(cpu_gpr[ret], t0, v2_t); 12121 break; 12122 case OPC_SHRA_R_PH: 12123 check_dsp(ctx); 12124 gen_helper_shra_r_ph(cpu_gpr[ret], t0, v2_t); 12125 break; 12126 case OPC_SHRAV_PH: 12127 check_dsp(ctx); 12128 gen_helper_shra_ph(cpu_gpr[ret], v1_t, v2_t); 12129 break; 12130 case OPC_SHRAV_R_PH: 12131 check_dsp(ctx); 12132 gen_helper_shra_r_ph(cpu_gpr[ret], v1_t, v2_t); 12133 break; 12134 case OPC_SHRA_R_W: 12135 check_dsp(ctx); 12136 gen_helper_shra_r_w(cpu_gpr[ret], t0, v2_t); 12137 break; 12138 case OPC_SHRAV_R_W: 12139 check_dsp(ctx); 12140 gen_helper_shra_r_w(cpu_gpr[ret], v1_t, v2_t); 12141 break; 12142 default: /* Invalid */ 12143 MIPS_INVAL("MASK SHLL.QB"); 12144 gen_reserved_instruction(ctx); 12145 break; 12146 } 12147 break; 12148 } 12149 #ifdef TARGET_MIPS64 12150 case OPC_SHLL_OB_DSP: 12151 op2 = MASK_SHLL_OB(ctx->opcode); 12152 switch (op2) { 12153 case OPC_SHLL_PW: 12154 check_dsp(ctx); 12155 gen_helper_shll_pw(cpu_gpr[ret], v2_t, t0, tcg_env); 12156 break; 12157 case OPC_SHLLV_PW: 12158 check_dsp(ctx); 12159 gen_helper_shll_pw(cpu_gpr[ret], v2_t, v1_t, tcg_env); 12160 break; 12161 case OPC_SHLL_S_PW: 12162 check_dsp(ctx); 12163 gen_helper_shll_s_pw(cpu_gpr[ret], v2_t, t0, tcg_env); 12164 break; 12165 case OPC_SHLLV_S_PW: 12166 check_dsp(ctx); 12167 gen_helper_shll_s_pw(cpu_gpr[ret], v2_t, v1_t, tcg_env); 12168 break; 12169 case OPC_SHLL_OB: 12170 check_dsp(ctx); 12171 gen_helper_shll_ob(cpu_gpr[ret], v2_t, t0, tcg_env); 12172 break; 12173 case OPC_SHLLV_OB: 12174 check_dsp(ctx); 12175 gen_helper_shll_ob(cpu_gpr[ret], v2_t, v1_t, tcg_env); 12176 break; 12177 case OPC_SHLL_QH: 12178 check_dsp(ctx); 12179 gen_helper_shll_qh(cpu_gpr[ret], v2_t, t0, tcg_env); 12180 break; 12181 case OPC_SHLLV_QH: 12182 check_dsp(ctx); 12183 gen_helper_shll_qh(cpu_gpr[ret], v2_t, v1_t, tcg_env); 12184 break; 12185 case OPC_SHLL_S_QH: 12186 check_dsp(ctx); 12187 gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, t0, tcg_env); 12188 break; 12189 case OPC_SHLLV_S_QH: 12190 check_dsp(ctx); 12191 gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, v1_t, tcg_env); 12192 break; 12193 case OPC_SHRA_OB: 12194 check_dsp_r2(ctx); 12195 gen_helper_shra_ob(cpu_gpr[ret], v2_t, t0); 12196 break; 12197 case OPC_SHRAV_OB: 12198 check_dsp_r2(ctx); 12199 gen_helper_shra_ob(cpu_gpr[ret], v2_t, v1_t); 12200 break; 12201 case OPC_SHRA_R_OB: 12202 check_dsp_r2(ctx); 12203 gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, t0); 12204 break; 12205 case OPC_SHRAV_R_OB: 12206 check_dsp_r2(ctx); 12207 gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, v1_t); 12208 break; 12209 case OPC_SHRA_PW: 12210 check_dsp(ctx); 12211 gen_helper_shra_pw(cpu_gpr[ret], v2_t, t0); 12212 break; 12213 case OPC_SHRAV_PW: 12214 check_dsp(ctx); 12215 gen_helper_shra_pw(cpu_gpr[ret], v2_t, v1_t); 12216 break; 12217 case OPC_SHRA_R_PW: 12218 check_dsp(ctx); 12219 gen_helper_shra_r_pw(cpu_gpr[ret], v2_t, t0); 12220 break; 12221 case OPC_SHRAV_R_PW: 12222 check_dsp(ctx); 12223 gen_helper_shra_r_pw(cpu_gpr[ret], v2_t, v1_t); 12224 break; 12225 case OPC_SHRA_QH: 12226 check_dsp(ctx); 12227 gen_helper_shra_qh(cpu_gpr[ret], v2_t, t0); 12228 break; 12229 case OPC_SHRAV_QH: 12230 check_dsp(ctx); 12231 gen_helper_shra_qh(cpu_gpr[ret], v2_t, v1_t); 12232 break; 12233 case OPC_SHRA_R_QH: 12234 check_dsp(ctx); 12235 gen_helper_shra_r_qh(cpu_gpr[ret], v2_t, t0); 12236 break; 12237 case OPC_SHRAV_R_QH: 12238 check_dsp(ctx); 12239 gen_helper_shra_r_qh(cpu_gpr[ret], v2_t, v1_t); 12240 break; 12241 case OPC_SHRL_OB: 12242 check_dsp(ctx); 12243 gen_helper_shrl_ob(cpu_gpr[ret], v2_t, t0); 12244 break; 12245 case OPC_SHRLV_OB: 12246 check_dsp(ctx); 12247 gen_helper_shrl_ob(cpu_gpr[ret], v2_t, v1_t); 12248 break; 12249 case OPC_SHRL_QH: 12250 check_dsp_r2(ctx); 12251 gen_helper_shrl_qh(cpu_gpr[ret], v2_t, t0); 12252 break; 12253 case OPC_SHRLV_QH: 12254 check_dsp_r2(ctx); 12255 gen_helper_shrl_qh(cpu_gpr[ret], v2_t, v1_t); 12256 break; 12257 default: /* Invalid */ 12258 MIPS_INVAL("MASK SHLL.OB"); 12259 gen_reserved_instruction(ctx); 12260 break; 12261 } 12262 break; 12263 #endif 12264 } 12265 } 12266 12267 static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2, 12268 int ret, int v1, int v2, int check_ret) 12269 { 12270 TCGv_i32 t0; 12271 TCGv v1_t; 12272 TCGv v2_t; 12273 12274 if ((ret == 0) && (check_ret == 1)) { 12275 /* Treat as NOP. */ 12276 return; 12277 } 12278 12279 t0 = tcg_temp_new_i32(); 12280 v1_t = tcg_temp_new(); 12281 v2_t = tcg_temp_new(); 12282 12283 tcg_gen_movi_i32(t0, ret); 12284 gen_load_gpr(v1_t, v1); 12285 gen_load_gpr(v2_t, v2); 12286 12287 switch (op1) { 12288 /* 12289 * OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have 12290 * the same mask and op1. 12291 */ 12292 case OPC_MULT_G_2E: 12293 check_dsp_r2(ctx); 12294 switch (op2) { 12295 case OPC_MUL_PH: 12296 gen_helper_mul_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12297 break; 12298 case OPC_MUL_S_PH: 12299 gen_helper_mul_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12300 break; 12301 case OPC_MULQ_S_W: 12302 gen_helper_mulq_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12303 break; 12304 case OPC_MULQ_RS_W: 12305 gen_helper_mulq_rs_w(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12306 break; 12307 } 12308 break; 12309 case OPC_DPA_W_PH_DSP: 12310 switch (op2) { 12311 case OPC_DPAU_H_QBL: 12312 check_dsp(ctx); 12313 gen_helper_dpau_h_qbl(t0, v1_t, v2_t, tcg_env); 12314 break; 12315 case OPC_DPAU_H_QBR: 12316 check_dsp(ctx); 12317 gen_helper_dpau_h_qbr(t0, v1_t, v2_t, tcg_env); 12318 break; 12319 case OPC_DPSU_H_QBL: 12320 check_dsp(ctx); 12321 gen_helper_dpsu_h_qbl(t0, v1_t, v2_t, tcg_env); 12322 break; 12323 case OPC_DPSU_H_QBR: 12324 check_dsp(ctx); 12325 gen_helper_dpsu_h_qbr(t0, v1_t, v2_t, tcg_env); 12326 break; 12327 case OPC_DPA_W_PH: 12328 check_dsp_r2(ctx); 12329 gen_helper_dpa_w_ph(t0, v1_t, v2_t, tcg_env); 12330 break; 12331 case OPC_DPAX_W_PH: 12332 check_dsp_r2(ctx); 12333 gen_helper_dpax_w_ph(t0, v1_t, v2_t, tcg_env); 12334 break; 12335 case OPC_DPAQ_S_W_PH: 12336 check_dsp(ctx); 12337 gen_helper_dpaq_s_w_ph(t0, v1_t, v2_t, tcg_env); 12338 break; 12339 case OPC_DPAQX_S_W_PH: 12340 check_dsp_r2(ctx); 12341 gen_helper_dpaqx_s_w_ph(t0, v1_t, v2_t, tcg_env); 12342 break; 12343 case OPC_DPAQX_SA_W_PH: 12344 check_dsp_r2(ctx); 12345 gen_helper_dpaqx_sa_w_ph(t0, v1_t, v2_t, tcg_env); 12346 break; 12347 case OPC_DPS_W_PH: 12348 check_dsp_r2(ctx); 12349 gen_helper_dps_w_ph(t0, v1_t, v2_t, tcg_env); 12350 break; 12351 case OPC_DPSX_W_PH: 12352 check_dsp_r2(ctx); 12353 gen_helper_dpsx_w_ph(t0, v1_t, v2_t, tcg_env); 12354 break; 12355 case OPC_DPSQ_S_W_PH: 12356 check_dsp(ctx); 12357 gen_helper_dpsq_s_w_ph(t0, v1_t, v2_t, tcg_env); 12358 break; 12359 case OPC_DPSQX_S_W_PH: 12360 check_dsp_r2(ctx); 12361 gen_helper_dpsqx_s_w_ph(t0, v1_t, v2_t, tcg_env); 12362 break; 12363 case OPC_DPSQX_SA_W_PH: 12364 check_dsp_r2(ctx); 12365 gen_helper_dpsqx_sa_w_ph(t0, v1_t, v2_t, tcg_env); 12366 break; 12367 case OPC_MULSAQ_S_W_PH: 12368 check_dsp(ctx); 12369 gen_helper_mulsaq_s_w_ph(t0, v1_t, v2_t, tcg_env); 12370 break; 12371 case OPC_DPAQ_SA_L_W: 12372 check_dsp(ctx); 12373 gen_helper_dpaq_sa_l_w(t0, v1_t, v2_t, tcg_env); 12374 break; 12375 case OPC_DPSQ_SA_L_W: 12376 check_dsp(ctx); 12377 gen_helper_dpsq_sa_l_w(t0, v1_t, v2_t, tcg_env); 12378 break; 12379 case OPC_MAQ_S_W_PHL: 12380 check_dsp(ctx); 12381 gen_helper_maq_s_w_phl(t0, v1_t, v2_t, tcg_env); 12382 break; 12383 case OPC_MAQ_S_W_PHR: 12384 check_dsp(ctx); 12385 gen_helper_maq_s_w_phr(t0, v1_t, v2_t, tcg_env); 12386 break; 12387 case OPC_MAQ_SA_W_PHL: 12388 check_dsp(ctx); 12389 gen_helper_maq_sa_w_phl(t0, v1_t, v2_t, tcg_env); 12390 break; 12391 case OPC_MAQ_SA_W_PHR: 12392 check_dsp(ctx); 12393 gen_helper_maq_sa_w_phr(t0, v1_t, v2_t, tcg_env); 12394 break; 12395 case OPC_MULSA_W_PH: 12396 check_dsp_r2(ctx); 12397 gen_helper_mulsa_w_ph(t0, v1_t, v2_t, tcg_env); 12398 break; 12399 } 12400 break; 12401 #ifdef TARGET_MIPS64 12402 case OPC_DPAQ_W_QH_DSP: 12403 { 12404 int ac = ret & 0x03; 12405 tcg_gen_movi_i32(t0, ac); 12406 12407 switch (op2) { 12408 case OPC_DMADD: 12409 check_dsp(ctx); 12410 gen_helper_dmadd(v1_t, v2_t, t0, tcg_env); 12411 break; 12412 case OPC_DMADDU: 12413 check_dsp(ctx); 12414 gen_helper_dmaddu(v1_t, v2_t, t0, tcg_env); 12415 break; 12416 case OPC_DMSUB: 12417 check_dsp(ctx); 12418 gen_helper_dmsub(v1_t, v2_t, t0, tcg_env); 12419 break; 12420 case OPC_DMSUBU: 12421 check_dsp(ctx); 12422 gen_helper_dmsubu(v1_t, v2_t, t0, tcg_env); 12423 break; 12424 case OPC_DPA_W_QH: 12425 check_dsp_r2(ctx); 12426 gen_helper_dpa_w_qh(v1_t, v2_t, t0, tcg_env); 12427 break; 12428 case OPC_DPAQ_S_W_QH: 12429 check_dsp(ctx); 12430 gen_helper_dpaq_s_w_qh(v1_t, v2_t, t0, tcg_env); 12431 break; 12432 case OPC_DPAQ_SA_L_PW: 12433 check_dsp(ctx); 12434 gen_helper_dpaq_sa_l_pw(v1_t, v2_t, t0, tcg_env); 12435 break; 12436 case OPC_DPAU_H_OBL: 12437 check_dsp(ctx); 12438 gen_helper_dpau_h_obl(v1_t, v2_t, t0, tcg_env); 12439 break; 12440 case OPC_DPAU_H_OBR: 12441 check_dsp(ctx); 12442 gen_helper_dpau_h_obr(v1_t, v2_t, t0, tcg_env); 12443 break; 12444 case OPC_DPS_W_QH: 12445 check_dsp_r2(ctx); 12446 gen_helper_dps_w_qh(v1_t, v2_t, t0, tcg_env); 12447 break; 12448 case OPC_DPSQ_S_W_QH: 12449 check_dsp(ctx); 12450 gen_helper_dpsq_s_w_qh(v1_t, v2_t, t0, tcg_env); 12451 break; 12452 case OPC_DPSQ_SA_L_PW: 12453 check_dsp(ctx); 12454 gen_helper_dpsq_sa_l_pw(v1_t, v2_t, t0, tcg_env); 12455 break; 12456 case OPC_DPSU_H_OBL: 12457 check_dsp(ctx); 12458 gen_helper_dpsu_h_obl(v1_t, v2_t, t0, tcg_env); 12459 break; 12460 case OPC_DPSU_H_OBR: 12461 check_dsp(ctx); 12462 gen_helper_dpsu_h_obr(v1_t, v2_t, t0, tcg_env); 12463 break; 12464 case OPC_MAQ_S_L_PWL: 12465 check_dsp(ctx); 12466 gen_helper_maq_s_l_pwl(v1_t, v2_t, t0, tcg_env); 12467 break; 12468 case OPC_MAQ_S_L_PWR: 12469 check_dsp(ctx); 12470 gen_helper_maq_s_l_pwr(v1_t, v2_t, t0, tcg_env); 12471 break; 12472 case OPC_MAQ_S_W_QHLL: 12473 check_dsp(ctx); 12474 gen_helper_maq_s_w_qhll(v1_t, v2_t, t0, tcg_env); 12475 break; 12476 case OPC_MAQ_SA_W_QHLL: 12477 check_dsp(ctx); 12478 gen_helper_maq_sa_w_qhll(v1_t, v2_t, t0, tcg_env); 12479 break; 12480 case OPC_MAQ_S_W_QHLR: 12481 check_dsp(ctx); 12482 gen_helper_maq_s_w_qhlr(v1_t, v2_t, t0, tcg_env); 12483 break; 12484 case OPC_MAQ_SA_W_QHLR: 12485 check_dsp(ctx); 12486 gen_helper_maq_sa_w_qhlr(v1_t, v2_t, t0, tcg_env); 12487 break; 12488 case OPC_MAQ_S_W_QHRL: 12489 check_dsp(ctx); 12490 gen_helper_maq_s_w_qhrl(v1_t, v2_t, t0, tcg_env); 12491 break; 12492 case OPC_MAQ_SA_W_QHRL: 12493 check_dsp(ctx); 12494 gen_helper_maq_sa_w_qhrl(v1_t, v2_t, t0, tcg_env); 12495 break; 12496 case OPC_MAQ_S_W_QHRR: 12497 check_dsp(ctx); 12498 gen_helper_maq_s_w_qhrr(v1_t, v2_t, t0, tcg_env); 12499 break; 12500 case OPC_MAQ_SA_W_QHRR: 12501 check_dsp(ctx); 12502 gen_helper_maq_sa_w_qhrr(v1_t, v2_t, t0, tcg_env); 12503 break; 12504 case OPC_MULSAQ_S_L_PW: 12505 check_dsp(ctx); 12506 gen_helper_mulsaq_s_l_pw(v1_t, v2_t, t0, tcg_env); 12507 break; 12508 case OPC_MULSAQ_S_W_QH: 12509 check_dsp(ctx); 12510 gen_helper_mulsaq_s_w_qh(v1_t, v2_t, t0, tcg_env); 12511 break; 12512 } 12513 } 12514 break; 12515 #endif 12516 case OPC_ADDU_QB_DSP: 12517 switch (op2) { 12518 case OPC_MULEU_S_PH_QBL: 12519 check_dsp(ctx); 12520 gen_helper_muleu_s_ph_qbl(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12521 break; 12522 case OPC_MULEU_S_PH_QBR: 12523 check_dsp(ctx); 12524 gen_helper_muleu_s_ph_qbr(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12525 break; 12526 case OPC_MULQ_RS_PH: 12527 check_dsp(ctx); 12528 gen_helper_mulq_rs_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12529 break; 12530 case OPC_MULEQ_S_W_PHL: 12531 check_dsp(ctx); 12532 gen_helper_muleq_s_w_phl(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12533 break; 12534 case OPC_MULEQ_S_W_PHR: 12535 check_dsp(ctx); 12536 gen_helper_muleq_s_w_phr(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12537 break; 12538 case OPC_MULQ_S_PH: 12539 check_dsp_r2(ctx); 12540 gen_helper_mulq_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12541 break; 12542 } 12543 break; 12544 #ifdef TARGET_MIPS64 12545 case OPC_ADDU_OB_DSP: 12546 switch (op2) { 12547 case OPC_MULEQ_S_PW_QHL: 12548 check_dsp(ctx); 12549 gen_helper_muleq_s_pw_qhl(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12550 break; 12551 case OPC_MULEQ_S_PW_QHR: 12552 check_dsp(ctx); 12553 gen_helper_muleq_s_pw_qhr(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12554 break; 12555 case OPC_MULEU_S_QH_OBL: 12556 check_dsp(ctx); 12557 gen_helper_muleu_s_qh_obl(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12558 break; 12559 case OPC_MULEU_S_QH_OBR: 12560 check_dsp(ctx); 12561 gen_helper_muleu_s_qh_obr(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12562 break; 12563 case OPC_MULQ_RS_QH: 12564 check_dsp(ctx); 12565 gen_helper_mulq_rs_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12566 break; 12567 } 12568 break; 12569 #endif 12570 } 12571 } 12572 12573 static void gen_mipsdsp_bitinsn(DisasContext *ctx, uint32_t op1, uint32_t op2, 12574 int ret, int val) 12575 { 12576 int16_t imm; 12577 TCGv t0; 12578 TCGv val_t; 12579 12580 if (ret == 0) { 12581 /* Treat as NOP. */ 12582 return; 12583 } 12584 12585 t0 = tcg_temp_new(); 12586 val_t = tcg_temp_new(); 12587 gen_load_gpr(val_t, val); 12588 12589 switch (op1) { 12590 case OPC_ABSQ_S_PH_DSP: 12591 switch (op2) { 12592 case OPC_BITREV: 12593 check_dsp(ctx); 12594 gen_helper_bitrev(cpu_gpr[ret], val_t); 12595 break; 12596 case OPC_REPL_QB: 12597 check_dsp(ctx); 12598 { 12599 target_long result; 12600 imm = (ctx->opcode >> 16) & 0xFF; 12601 result = (uint32_t)imm << 24 | 12602 (uint32_t)imm << 16 | 12603 (uint32_t)imm << 8 | 12604 (uint32_t)imm; 12605 result = (int32_t)result; 12606 tcg_gen_movi_tl(cpu_gpr[ret], result); 12607 } 12608 break; 12609 case OPC_REPLV_QB: 12610 check_dsp(ctx); 12611 tcg_gen_ext8u_tl(cpu_gpr[ret], val_t); 12612 tcg_gen_shli_tl(t0, cpu_gpr[ret], 8); 12613 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12614 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16); 12615 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12616 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]); 12617 break; 12618 case OPC_REPL_PH: 12619 check_dsp(ctx); 12620 { 12621 imm = (ctx->opcode >> 16) & 0x03FF; 12622 imm = (int16_t)(imm << 6) >> 6; 12623 tcg_gen_movi_tl(cpu_gpr[ret], \ 12624 (target_long)((int32_t)imm << 16 | \ 12625 (uint16_t)imm)); 12626 } 12627 break; 12628 case OPC_REPLV_PH: 12629 check_dsp(ctx); 12630 tcg_gen_ext16u_tl(cpu_gpr[ret], val_t); 12631 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16); 12632 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12633 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]); 12634 break; 12635 } 12636 break; 12637 #ifdef TARGET_MIPS64 12638 case OPC_ABSQ_S_QH_DSP: 12639 switch (op2) { 12640 case OPC_REPL_OB: 12641 check_dsp(ctx); 12642 { 12643 target_long temp; 12644 12645 imm = (ctx->opcode >> 16) & 0xFF; 12646 temp = ((uint64_t)imm << 8) | (uint64_t)imm; 12647 temp = (temp << 16) | temp; 12648 temp = (temp << 32) | temp; 12649 tcg_gen_movi_tl(cpu_gpr[ret], temp); 12650 break; 12651 } 12652 case OPC_REPL_PW: 12653 check_dsp(ctx); 12654 { 12655 target_long temp; 12656 12657 imm = (ctx->opcode >> 16) & 0x03FF; 12658 imm = (int16_t)(imm << 6) >> 6; 12659 temp = ((target_long)imm << 32) \ 12660 | ((target_long)imm & 0xFFFFFFFF); 12661 tcg_gen_movi_tl(cpu_gpr[ret], temp); 12662 break; 12663 } 12664 case OPC_REPL_QH: 12665 check_dsp(ctx); 12666 { 12667 target_long temp; 12668 12669 imm = (ctx->opcode >> 16) & 0x03FF; 12670 imm = (int16_t)(imm << 6) >> 6; 12671 12672 temp = ((uint64_t)(uint16_t)imm << 48) | 12673 ((uint64_t)(uint16_t)imm << 32) | 12674 ((uint64_t)(uint16_t)imm << 16) | 12675 (uint64_t)(uint16_t)imm; 12676 tcg_gen_movi_tl(cpu_gpr[ret], temp); 12677 break; 12678 } 12679 case OPC_REPLV_OB: 12680 check_dsp(ctx); 12681 tcg_gen_ext8u_tl(cpu_gpr[ret], val_t); 12682 tcg_gen_shli_tl(t0, cpu_gpr[ret], 8); 12683 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12684 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16); 12685 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12686 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32); 12687 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12688 break; 12689 case OPC_REPLV_PW: 12690 check_dsp(ctx); 12691 tcg_gen_ext32u_i64(cpu_gpr[ret], val_t); 12692 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32); 12693 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12694 break; 12695 case OPC_REPLV_QH: 12696 check_dsp(ctx); 12697 tcg_gen_ext16u_tl(cpu_gpr[ret], val_t); 12698 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16); 12699 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12700 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32); 12701 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12702 break; 12703 } 12704 break; 12705 #endif 12706 } 12707 } 12708 12709 static void gen_mipsdsp_add_cmp_pick(DisasContext *ctx, 12710 uint32_t op1, uint32_t op2, 12711 int ret, int v1, int v2, int check_ret) 12712 { 12713 TCGv t1; 12714 TCGv v1_t; 12715 TCGv v2_t; 12716 12717 if ((ret == 0) && (check_ret == 1)) { 12718 /* Treat as NOP. */ 12719 return; 12720 } 12721 12722 t1 = tcg_temp_new(); 12723 v1_t = tcg_temp_new(); 12724 v2_t = tcg_temp_new(); 12725 12726 gen_load_gpr(v1_t, v1); 12727 gen_load_gpr(v2_t, v2); 12728 12729 switch (op1) { 12730 case OPC_CMPU_EQ_QB_DSP: 12731 switch (op2) { 12732 case OPC_CMPU_EQ_QB: 12733 check_dsp(ctx); 12734 gen_helper_cmpu_eq_qb(v1_t, v2_t, tcg_env); 12735 break; 12736 case OPC_CMPU_LT_QB: 12737 check_dsp(ctx); 12738 gen_helper_cmpu_lt_qb(v1_t, v2_t, tcg_env); 12739 break; 12740 case OPC_CMPU_LE_QB: 12741 check_dsp(ctx); 12742 gen_helper_cmpu_le_qb(v1_t, v2_t, tcg_env); 12743 break; 12744 case OPC_CMPGU_EQ_QB: 12745 check_dsp(ctx); 12746 gen_helper_cmpgu_eq_qb(cpu_gpr[ret], v1_t, v2_t); 12747 break; 12748 case OPC_CMPGU_LT_QB: 12749 check_dsp(ctx); 12750 gen_helper_cmpgu_lt_qb(cpu_gpr[ret], v1_t, v2_t); 12751 break; 12752 case OPC_CMPGU_LE_QB: 12753 check_dsp(ctx); 12754 gen_helper_cmpgu_le_qb(cpu_gpr[ret], v1_t, v2_t); 12755 break; 12756 case OPC_CMPGDU_EQ_QB: 12757 check_dsp_r2(ctx); 12758 gen_helper_cmpgu_eq_qb(t1, v1_t, v2_t); 12759 tcg_gen_mov_tl(cpu_gpr[ret], t1); 12760 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF); 12761 tcg_gen_shli_tl(t1, t1, 24); 12762 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1); 12763 break; 12764 case OPC_CMPGDU_LT_QB: 12765 check_dsp_r2(ctx); 12766 gen_helper_cmpgu_lt_qb(t1, v1_t, v2_t); 12767 tcg_gen_mov_tl(cpu_gpr[ret], t1); 12768 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF); 12769 tcg_gen_shli_tl(t1, t1, 24); 12770 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1); 12771 break; 12772 case OPC_CMPGDU_LE_QB: 12773 check_dsp_r2(ctx); 12774 gen_helper_cmpgu_le_qb(t1, v1_t, v2_t); 12775 tcg_gen_mov_tl(cpu_gpr[ret], t1); 12776 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF); 12777 tcg_gen_shli_tl(t1, t1, 24); 12778 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1); 12779 break; 12780 case OPC_CMP_EQ_PH: 12781 check_dsp(ctx); 12782 gen_helper_cmp_eq_ph(v1_t, v2_t, tcg_env); 12783 break; 12784 case OPC_CMP_LT_PH: 12785 check_dsp(ctx); 12786 gen_helper_cmp_lt_ph(v1_t, v2_t, tcg_env); 12787 break; 12788 case OPC_CMP_LE_PH: 12789 check_dsp(ctx); 12790 gen_helper_cmp_le_ph(v1_t, v2_t, tcg_env); 12791 break; 12792 case OPC_PICK_QB: 12793 check_dsp(ctx); 12794 gen_helper_pick_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12795 break; 12796 case OPC_PICK_PH: 12797 check_dsp(ctx); 12798 gen_helper_pick_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12799 break; 12800 case OPC_PACKRL_PH: 12801 check_dsp(ctx); 12802 gen_helper_packrl_ph(cpu_gpr[ret], v1_t, v2_t); 12803 break; 12804 } 12805 break; 12806 #ifdef TARGET_MIPS64 12807 case OPC_CMPU_EQ_OB_DSP: 12808 switch (op2) { 12809 case OPC_CMP_EQ_PW: 12810 check_dsp(ctx); 12811 gen_helper_cmp_eq_pw(v1_t, v2_t, tcg_env); 12812 break; 12813 case OPC_CMP_LT_PW: 12814 check_dsp(ctx); 12815 gen_helper_cmp_lt_pw(v1_t, v2_t, tcg_env); 12816 break; 12817 case OPC_CMP_LE_PW: 12818 check_dsp(ctx); 12819 gen_helper_cmp_le_pw(v1_t, v2_t, tcg_env); 12820 break; 12821 case OPC_CMP_EQ_QH: 12822 check_dsp(ctx); 12823 gen_helper_cmp_eq_qh(v1_t, v2_t, tcg_env); 12824 break; 12825 case OPC_CMP_LT_QH: 12826 check_dsp(ctx); 12827 gen_helper_cmp_lt_qh(v1_t, v2_t, tcg_env); 12828 break; 12829 case OPC_CMP_LE_QH: 12830 check_dsp(ctx); 12831 gen_helper_cmp_le_qh(v1_t, v2_t, tcg_env); 12832 break; 12833 case OPC_CMPGDU_EQ_OB: 12834 check_dsp_r2(ctx); 12835 gen_helper_cmpgdu_eq_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12836 break; 12837 case OPC_CMPGDU_LT_OB: 12838 check_dsp_r2(ctx); 12839 gen_helper_cmpgdu_lt_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12840 break; 12841 case OPC_CMPGDU_LE_OB: 12842 check_dsp_r2(ctx); 12843 gen_helper_cmpgdu_le_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12844 break; 12845 case OPC_CMPGU_EQ_OB: 12846 check_dsp(ctx); 12847 gen_helper_cmpgu_eq_ob(cpu_gpr[ret], v1_t, v2_t); 12848 break; 12849 case OPC_CMPGU_LT_OB: 12850 check_dsp(ctx); 12851 gen_helper_cmpgu_lt_ob(cpu_gpr[ret], v1_t, v2_t); 12852 break; 12853 case OPC_CMPGU_LE_OB: 12854 check_dsp(ctx); 12855 gen_helper_cmpgu_le_ob(cpu_gpr[ret], v1_t, v2_t); 12856 break; 12857 case OPC_CMPU_EQ_OB: 12858 check_dsp(ctx); 12859 gen_helper_cmpu_eq_ob(v1_t, v2_t, tcg_env); 12860 break; 12861 case OPC_CMPU_LT_OB: 12862 check_dsp(ctx); 12863 gen_helper_cmpu_lt_ob(v1_t, v2_t, tcg_env); 12864 break; 12865 case OPC_CMPU_LE_OB: 12866 check_dsp(ctx); 12867 gen_helper_cmpu_le_ob(v1_t, v2_t, tcg_env); 12868 break; 12869 case OPC_PACKRL_PW: 12870 check_dsp(ctx); 12871 gen_helper_packrl_pw(cpu_gpr[ret], v1_t, v2_t); 12872 break; 12873 case OPC_PICK_OB: 12874 check_dsp(ctx); 12875 gen_helper_pick_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12876 break; 12877 case OPC_PICK_PW: 12878 check_dsp(ctx); 12879 gen_helper_pick_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12880 break; 12881 case OPC_PICK_QH: 12882 check_dsp(ctx); 12883 gen_helper_pick_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12884 break; 12885 } 12886 break; 12887 #endif 12888 } 12889 } 12890 12891 static void gen_mipsdsp_append(CPUMIPSState *env, DisasContext *ctx, 12892 uint32_t op1, int rt, int rs, int sa) 12893 { 12894 TCGv t0; 12895 12896 check_dsp_r2(ctx); 12897 12898 if (rt == 0) { 12899 /* Treat as NOP. */ 12900 return; 12901 } 12902 12903 t0 = tcg_temp_new(); 12904 gen_load_gpr(t0, rs); 12905 12906 switch (op1) { 12907 case OPC_APPEND_DSP: 12908 switch (MASK_APPEND(ctx->opcode)) { 12909 case OPC_APPEND: 12910 if (sa != 0) { 12911 tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], sa, 32 - sa); 12912 } 12913 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 12914 break; 12915 case OPC_PREPEND: 12916 if (sa != 0) { 12917 tcg_gen_ext32u_tl(cpu_gpr[rt], cpu_gpr[rt]); 12918 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], sa); 12919 tcg_gen_shli_tl(t0, t0, 32 - sa); 12920 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0); 12921 } 12922 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 12923 break; 12924 case OPC_BALIGN: 12925 sa &= 3; 12926 if (sa != 0 && sa != 2) { 12927 tcg_gen_shli_tl(cpu_gpr[rt], cpu_gpr[rt], 8 * sa); 12928 tcg_gen_ext32u_tl(t0, t0); 12929 tcg_gen_shri_tl(t0, t0, 8 * (4 - sa)); 12930 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0); 12931 } 12932 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 12933 break; 12934 default: /* Invalid */ 12935 MIPS_INVAL("MASK APPEND"); 12936 gen_reserved_instruction(ctx); 12937 break; 12938 } 12939 break; 12940 #ifdef TARGET_MIPS64 12941 case OPC_DAPPEND_DSP: 12942 switch (MASK_DAPPEND(ctx->opcode)) { 12943 case OPC_DAPPEND: 12944 if (sa != 0) { 12945 tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], sa, 64 - sa); 12946 } 12947 break; 12948 case OPC_PREPENDD: 12949 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], 0x20 | sa); 12950 tcg_gen_shli_tl(t0, t0, 64 - (0x20 | sa)); 12951 tcg_gen_or_tl(cpu_gpr[rt], t0, t0); 12952 break; 12953 case OPC_PREPENDW: 12954 if (sa != 0) { 12955 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], sa); 12956 tcg_gen_shli_tl(t0, t0, 64 - sa); 12957 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0); 12958 } 12959 break; 12960 case OPC_DBALIGN: 12961 sa &= 7; 12962 if (sa != 0 && sa != 2 && sa != 4) { 12963 tcg_gen_shli_tl(cpu_gpr[rt], cpu_gpr[rt], 8 * sa); 12964 tcg_gen_shri_tl(t0, t0, 8 * (8 - sa)); 12965 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0); 12966 } 12967 break; 12968 default: /* Invalid */ 12969 MIPS_INVAL("MASK DAPPEND"); 12970 gen_reserved_instruction(ctx); 12971 break; 12972 } 12973 break; 12974 #endif 12975 } 12976 } 12977 12978 static void gen_mipsdsp_accinsn(DisasContext *ctx, uint32_t op1, uint32_t op2, 12979 int ret, int v1, int v2, int check_ret) 12980 12981 { 12982 TCGv t0; 12983 TCGv t1; 12984 TCGv v1_t; 12985 int16_t imm; 12986 12987 if ((ret == 0) && (check_ret == 1)) { 12988 /* Treat as NOP. */ 12989 return; 12990 } 12991 12992 t0 = tcg_temp_new(); 12993 t1 = tcg_temp_new(); 12994 v1_t = tcg_temp_new(); 12995 12996 gen_load_gpr(v1_t, v1); 12997 12998 switch (op1) { 12999 case OPC_EXTR_W_DSP: 13000 check_dsp(ctx); 13001 switch (op2) { 13002 case OPC_EXTR_W: 13003 tcg_gen_movi_tl(t0, v2); 13004 tcg_gen_movi_tl(t1, v1); 13005 gen_helper_extr_w(cpu_gpr[ret], t0, t1, tcg_env); 13006 break; 13007 case OPC_EXTR_R_W: 13008 tcg_gen_movi_tl(t0, v2); 13009 tcg_gen_movi_tl(t1, v1); 13010 gen_helper_extr_r_w(cpu_gpr[ret], t0, t1, tcg_env); 13011 break; 13012 case OPC_EXTR_RS_W: 13013 tcg_gen_movi_tl(t0, v2); 13014 tcg_gen_movi_tl(t1, v1); 13015 gen_helper_extr_rs_w(cpu_gpr[ret], t0, t1, tcg_env); 13016 break; 13017 case OPC_EXTR_S_H: 13018 tcg_gen_movi_tl(t0, v2); 13019 tcg_gen_movi_tl(t1, v1); 13020 gen_helper_extr_s_h(cpu_gpr[ret], t0, t1, tcg_env); 13021 break; 13022 case OPC_EXTRV_S_H: 13023 tcg_gen_movi_tl(t0, v2); 13024 gen_helper_extr_s_h(cpu_gpr[ret], t0, v1_t, tcg_env); 13025 break; 13026 case OPC_EXTRV_W: 13027 tcg_gen_movi_tl(t0, v2); 13028 gen_helper_extr_w(cpu_gpr[ret], t0, v1_t, tcg_env); 13029 break; 13030 case OPC_EXTRV_R_W: 13031 tcg_gen_movi_tl(t0, v2); 13032 gen_helper_extr_r_w(cpu_gpr[ret], t0, v1_t, tcg_env); 13033 break; 13034 case OPC_EXTRV_RS_W: 13035 tcg_gen_movi_tl(t0, v2); 13036 gen_helper_extr_rs_w(cpu_gpr[ret], t0, v1_t, tcg_env); 13037 break; 13038 case OPC_EXTP: 13039 tcg_gen_movi_tl(t0, v2); 13040 tcg_gen_movi_tl(t1, v1); 13041 gen_helper_extp(cpu_gpr[ret], t0, t1, tcg_env); 13042 break; 13043 case OPC_EXTPV: 13044 tcg_gen_movi_tl(t0, v2); 13045 gen_helper_extp(cpu_gpr[ret], t0, v1_t, tcg_env); 13046 break; 13047 case OPC_EXTPDP: 13048 tcg_gen_movi_tl(t0, v2); 13049 tcg_gen_movi_tl(t1, v1); 13050 gen_helper_extpdp(cpu_gpr[ret], t0, t1, tcg_env); 13051 break; 13052 case OPC_EXTPDPV: 13053 tcg_gen_movi_tl(t0, v2); 13054 gen_helper_extpdp(cpu_gpr[ret], t0, v1_t, tcg_env); 13055 break; 13056 case OPC_SHILO: 13057 imm = (ctx->opcode >> 20) & 0x3F; 13058 tcg_gen_movi_tl(t0, ret); 13059 tcg_gen_movi_tl(t1, imm); 13060 gen_helper_shilo(t0, t1, tcg_env); 13061 break; 13062 case OPC_SHILOV: 13063 tcg_gen_movi_tl(t0, ret); 13064 gen_helper_shilo(t0, v1_t, tcg_env); 13065 break; 13066 case OPC_MTHLIP: 13067 tcg_gen_movi_tl(t0, ret); 13068 gen_helper_mthlip(t0, v1_t, tcg_env); 13069 break; 13070 case OPC_WRDSP: 13071 imm = (ctx->opcode >> 11) & 0x3FF; 13072 tcg_gen_movi_tl(t0, imm); 13073 gen_helper_wrdsp(v1_t, t0, tcg_env); 13074 break; 13075 case OPC_RDDSP: 13076 imm = (ctx->opcode >> 16) & 0x03FF; 13077 tcg_gen_movi_tl(t0, imm); 13078 gen_helper_rddsp(cpu_gpr[ret], t0, tcg_env); 13079 break; 13080 } 13081 break; 13082 #ifdef TARGET_MIPS64 13083 case OPC_DEXTR_W_DSP: 13084 check_dsp(ctx); 13085 switch (op2) { 13086 case OPC_DMTHLIP: 13087 tcg_gen_movi_tl(t0, ret); 13088 gen_helper_dmthlip(v1_t, t0, tcg_env); 13089 break; 13090 case OPC_DSHILO: 13091 { 13092 int shift = (ctx->opcode >> 19) & 0x7F; 13093 int ac = (ctx->opcode >> 11) & 0x03; 13094 tcg_gen_movi_tl(t0, shift); 13095 tcg_gen_movi_tl(t1, ac); 13096 gen_helper_dshilo(t0, t1, tcg_env); 13097 break; 13098 } 13099 case OPC_DSHILOV: 13100 { 13101 int ac = (ctx->opcode >> 11) & 0x03; 13102 tcg_gen_movi_tl(t0, ac); 13103 gen_helper_dshilo(v1_t, t0, tcg_env); 13104 break; 13105 } 13106 case OPC_DEXTP: 13107 tcg_gen_movi_tl(t0, v2); 13108 tcg_gen_movi_tl(t1, v1); 13109 13110 gen_helper_dextp(cpu_gpr[ret], t0, t1, tcg_env); 13111 break; 13112 case OPC_DEXTPV: 13113 tcg_gen_movi_tl(t0, v2); 13114 gen_helper_dextp(cpu_gpr[ret], t0, v1_t, tcg_env); 13115 break; 13116 case OPC_DEXTPDP: 13117 tcg_gen_movi_tl(t0, v2); 13118 tcg_gen_movi_tl(t1, v1); 13119 gen_helper_dextpdp(cpu_gpr[ret], t0, t1, tcg_env); 13120 break; 13121 case OPC_DEXTPDPV: 13122 tcg_gen_movi_tl(t0, v2); 13123 gen_helper_dextpdp(cpu_gpr[ret], t0, v1_t, tcg_env); 13124 break; 13125 case OPC_DEXTR_L: 13126 tcg_gen_movi_tl(t0, v2); 13127 tcg_gen_movi_tl(t1, v1); 13128 gen_helper_dextr_l(cpu_gpr[ret], t0, t1, tcg_env); 13129 break; 13130 case OPC_DEXTR_R_L: 13131 tcg_gen_movi_tl(t0, v2); 13132 tcg_gen_movi_tl(t1, v1); 13133 gen_helper_dextr_r_l(cpu_gpr[ret], t0, t1, tcg_env); 13134 break; 13135 case OPC_DEXTR_RS_L: 13136 tcg_gen_movi_tl(t0, v2); 13137 tcg_gen_movi_tl(t1, v1); 13138 gen_helper_dextr_rs_l(cpu_gpr[ret], t0, t1, tcg_env); 13139 break; 13140 case OPC_DEXTR_W: 13141 tcg_gen_movi_tl(t0, v2); 13142 tcg_gen_movi_tl(t1, v1); 13143 gen_helper_dextr_w(cpu_gpr[ret], t0, t1, tcg_env); 13144 break; 13145 case OPC_DEXTR_R_W: 13146 tcg_gen_movi_tl(t0, v2); 13147 tcg_gen_movi_tl(t1, v1); 13148 gen_helper_dextr_r_w(cpu_gpr[ret], t0, t1, tcg_env); 13149 break; 13150 case OPC_DEXTR_RS_W: 13151 tcg_gen_movi_tl(t0, v2); 13152 tcg_gen_movi_tl(t1, v1); 13153 gen_helper_dextr_rs_w(cpu_gpr[ret], t0, t1, tcg_env); 13154 break; 13155 case OPC_DEXTR_S_H: 13156 tcg_gen_movi_tl(t0, v2); 13157 tcg_gen_movi_tl(t1, v1); 13158 gen_helper_dextr_s_h(cpu_gpr[ret], t0, t1, tcg_env); 13159 break; 13160 case OPC_DEXTRV_S_H: 13161 tcg_gen_movi_tl(t0, v2); 13162 gen_helper_dextr_s_h(cpu_gpr[ret], t0, v1_t, tcg_env); 13163 break; 13164 case OPC_DEXTRV_L: 13165 tcg_gen_movi_tl(t0, v2); 13166 gen_helper_dextr_l(cpu_gpr[ret], t0, v1_t, tcg_env); 13167 break; 13168 case OPC_DEXTRV_R_L: 13169 tcg_gen_movi_tl(t0, v2); 13170 gen_helper_dextr_r_l(cpu_gpr[ret], t0, v1_t, tcg_env); 13171 break; 13172 case OPC_DEXTRV_RS_L: 13173 tcg_gen_movi_tl(t0, v2); 13174 gen_helper_dextr_rs_l(cpu_gpr[ret], t0, v1_t, tcg_env); 13175 break; 13176 case OPC_DEXTRV_W: 13177 tcg_gen_movi_tl(t0, v2); 13178 gen_helper_dextr_w(cpu_gpr[ret], t0, v1_t, tcg_env); 13179 break; 13180 case OPC_DEXTRV_R_W: 13181 tcg_gen_movi_tl(t0, v2); 13182 gen_helper_dextr_r_w(cpu_gpr[ret], t0, v1_t, tcg_env); 13183 break; 13184 case OPC_DEXTRV_RS_W: 13185 tcg_gen_movi_tl(t0, v2); 13186 gen_helper_dextr_rs_w(cpu_gpr[ret], t0, v1_t, tcg_env); 13187 break; 13188 } 13189 break; 13190 #endif 13191 } 13192 } 13193 13194 /* End MIPSDSP functions. */ 13195 13196 static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx) 13197 { 13198 int rs, rt, rd, sa; 13199 uint32_t op1, op2; 13200 13201 rs = (ctx->opcode >> 21) & 0x1f; 13202 rt = (ctx->opcode >> 16) & 0x1f; 13203 rd = (ctx->opcode >> 11) & 0x1f; 13204 sa = (ctx->opcode >> 6) & 0x1f; 13205 13206 op1 = MASK_SPECIAL(ctx->opcode); 13207 switch (op1) { 13208 case OPC_MULT: 13209 case OPC_MULTU: 13210 case OPC_DIV: 13211 case OPC_DIVU: 13212 op2 = MASK_R6_MULDIV(ctx->opcode); 13213 switch (op2) { 13214 case R6_OPC_MUL: 13215 case R6_OPC_MUH: 13216 case R6_OPC_MULU: 13217 case R6_OPC_MUHU: 13218 case R6_OPC_DIV: 13219 case R6_OPC_MOD: 13220 case R6_OPC_DIVU: 13221 case R6_OPC_MODU: 13222 gen_r6_muldiv(ctx, op2, rd, rs, rt); 13223 break; 13224 default: 13225 MIPS_INVAL("special_r6 muldiv"); 13226 gen_reserved_instruction(ctx); 13227 break; 13228 } 13229 break; 13230 case OPC_SELEQZ: 13231 case OPC_SELNEZ: 13232 gen_cond_move(ctx, op1, rd, rs, rt); 13233 break; 13234 case R6_OPC_CLO: 13235 case R6_OPC_CLZ: 13236 if (rt == 0 && sa == 1) { 13237 /* 13238 * Major opcode and function field is shared with preR6 MFHI/MTHI. 13239 * We need additionally to check other fields. 13240 */ 13241 gen_cl(ctx, op1, rd, rs); 13242 } else { 13243 gen_reserved_instruction(ctx); 13244 } 13245 break; 13246 case R6_OPC_SDBBP: 13247 if (is_uhi(ctx, extract32(ctx->opcode, 6, 20))) { 13248 ctx->base.is_jmp = DISAS_SEMIHOST; 13249 } else { 13250 if (ctx->hflags & MIPS_HFLAG_SBRI) { 13251 gen_reserved_instruction(ctx); 13252 } else { 13253 generate_exception_end(ctx, EXCP_DBp); 13254 } 13255 } 13256 break; 13257 #if defined(TARGET_MIPS64) 13258 case R6_OPC_DCLO: 13259 case R6_OPC_DCLZ: 13260 if (rt == 0 && sa == 1) { 13261 /* 13262 * Major opcode and function field is shared with preR6 MFHI/MTHI. 13263 * We need additionally to check other fields. 13264 */ 13265 check_mips_64(ctx); 13266 gen_cl(ctx, op1, rd, rs); 13267 } else { 13268 gen_reserved_instruction(ctx); 13269 } 13270 break; 13271 case OPC_DMULT: 13272 case OPC_DMULTU: 13273 case OPC_DDIV: 13274 case OPC_DDIVU: 13275 13276 op2 = MASK_R6_MULDIV(ctx->opcode); 13277 switch (op2) { 13278 case R6_OPC_DMUL: 13279 case R6_OPC_DMUH: 13280 case R6_OPC_DMULU: 13281 case R6_OPC_DMUHU: 13282 case R6_OPC_DDIV: 13283 case R6_OPC_DMOD: 13284 case R6_OPC_DDIVU: 13285 case R6_OPC_DMODU: 13286 check_mips_64(ctx); 13287 gen_r6_muldiv(ctx, op2, rd, rs, rt); 13288 break; 13289 default: 13290 MIPS_INVAL("special_r6 muldiv"); 13291 gen_reserved_instruction(ctx); 13292 break; 13293 } 13294 break; 13295 #endif 13296 default: /* Invalid */ 13297 MIPS_INVAL("special_r6"); 13298 gen_reserved_instruction(ctx); 13299 break; 13300 } 13301 } 13302 13303 static void decode_opc_special_tx79(CPUMIPSState *env, DisasContext *ctx) 13304 { 13305 int rs = extract32(ctx->opcode, 21, 5); 13306 int rt = extract32(ctx->opcode, 16, 5); 13307 int rd = extract32(ctx->opcode, 11, 5); 13308 uint32_t op1 = MASK_SPECIAL(ctx->opcode); 13309 13310 switch (op1) { 13311 case OPC_MOVN: /* Conditional move */ 13312 case OPC_MOVZ: 13313 gen_cond_move(ctx, op1, rd, rs, rt); 13314 break; 13315 case OPC_MFHI: /* Move from HI/LO */ 13316 case OPC_MFLO: 13317 gen_HILO(ctx, op1, 0, rd); 13318 break; 13319 case OPC_MTHI: 13320 case OPC_MTLO: /* Move to HI/LO */ 13321 gen_HILO(ctx, op1, 0, rs); 13322 break; 13323 case OPC_MULT: 13324 case OPC_MULTU: 13325 gen_mul_txx9(ctx, op1, rd, rs, rt); 13326 break; 13327 case OPC_DIV: 13328 case OPC_DIVU: 13329 gen_muldiv(ctx, op1, 0, rs, rt); 13330 break; 13331 #if defined(TARGET_MIPS64) 13332 case OPC_DMULT: 13333 case OPC_DMULTU: 13334 case OPC_DDIV: 13335 case OPC_DDIVU: 13336 check_insn_opc_user_only(ctx, INSN_R5900); 13337 gen_muldiv(ctx, op1, 0, rs, rt); 13338 break; 13339 #endif 13340 case OPC_JR: 13341 gen_compute_branch(ctx, op1, 4, rs, 0, 0, 4); 13342 break; 13343 default: /* Invalid */ 13344 MIPS_INVAL("special_tx79"); 13345 gen_reserved_instruction(ctx); 13346 break; 13347 } 13348 } 13349 13350 static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx) 13351 { 13352 int rs, rt, rd; 13353 uint32_t op1; 13354 13355 rs = (ctx->opcode >> 21) & 0x1f; 13356 rt = (ctx->opcode >> 16) & 0x1f; 13357 rd = (ctx->opcode >> 11) & 0x1f; 13358 13359 op1 = MASK_SPECIAL(ctx->opcode); 13360 switch (op1) { 13361 case OPC_MOVN: /* Conditional move */ 13362 case OPC_MOVZ: 13363 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1 | 13364 INSN_LOONGSON2E | INSN_LOONGSON2F); 13365 gen_cond_move(ctx, op1, rd, rs, rt); 13366 break; 13367 case OPC_MFHI: /* Move from HI/LO */ 13368 case OPC_MFLO: 13369 gen_HILO(ctx, op1, rs & 3, rd); 13370 break; 13371 case OPC_MTHI: 13372 case OPC_MTLO: /* Move to HI/LO */ 13373 gen_HILO(ctx, op1, rd & 3, rs); 13374 break; 13375 case OPC_MOVCI: 13376 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1); 13377 if (env->CP0_Config1 & (1 << CP0C1_FP)) { 13378 check_cp1_enabled(ctx); 13379 gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7, 13380 (ctx->opcode >> 16) & 1); 13381 } else { 13382 generate_exception_err(ctx, EXCP_CpU, 1); 13383 } 13384 break; 13385 case OPC_MULT: 13386 case OPC_MULTU: 13387 gen_muldiv(ctx, op1, rd & 3, rs, rt); 13388 break; 13389 case OPC_DIV: 13390 case OPC_DIVU: 13391 gen_muldiv(ctx, op1, 0, rs, rt); 13392 break; 13393 #if defined(TARGET_MIPS64) 13394 case OPC_DMULT: 13395 case OPC_DMULTU: 13396 case OPC_DDIV: 13397 case OPC_DDIVU: 13398 check_insn(ctx, ISA_MIPS3); 13399 check_mips_64(ctx); 13400 gen_muldiv(ctx, op1, 0, rs, rt); 13401 break; 13402 #endif 13403 case OPC_JR: 13404 gen_compute_branch(ctx, op1, 4, rs, 0, 0, 4); 13405 break; 13406 case OPC_SPIM: 13407 #ifdef MIPS_STRICT_STANDARD 13408 MIPS_INVAL("SPIM"); 13409 gen_reserved_instruction(ctx); 13410 #else 13411 /* Implemented as RI exception for now. */ 13412 MIPS_INVAL("spim (unofficial)"); 13413 gen_reserved_instruction(ctx); 13414 #endif 13415 break; 13416 default: /* Invalid */ 13417 MIPS_INVAL("special_legacy"); 13418 gen_reserved_instruction(ctx); 13419 break; 13420 } 13421 } 13422 13423 static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx) 13424 { 13425 int rs, rt, rd, sa; 13426 uint32_t op1; 13427 13428 rs = (ctx->opcode >> 21) & 0x1f; 13429 rt = (ctx->opcode >> 16) & 0x1f; 13430 rd = (ctx->opcode >> 11) & 0x1f; 13431 sa = (ctx->opcode >> 6) & 0x1f; 13432 13433 op1 = MASK_SPECIAL(ctx->opcode); 13434 switch (op1) { 13435 case OPC_SLL: /* Shift with immediate */ 13436 if (sa == 5 && rd == 0 && 13437 rs == 0 && rt == 0) { /* PAUSE */ 13438 if ((ctx->insn_flags & ISA_MIPS_R6) && 13439 (ctx->hflags & MIPS_HFLAG_BMASK)) { 13440 gen_reserved_instruction(ctx); 13441 break; 13442 } 13443 } 13444 /* Fallthrough */ 13445 case OPC_SRA: 13446 gen_shift_imm(ctx, op1, rd, rt, sa); 13447 break; 13448 case OPC_SRL: 13449 switch ((ctx->opcode >> 21) & 0x1f) { 13450 case 1: 13451 /* rotr is decoded as srl on non-R2 CPUs */ 13452 if (ctx->insn_flags & ISA_MIPS_R2) { 13453 op1 = OPC_ROTR; 13454 } 13455 /* Fallthrough */ 13456 case 0: 13457 gen_shift_imm(ctx, op1, rd, rt, sa); 13458 break; 13459 default: 13460 gen_reserved_instruction(ctx); 13461 break; 13462 } 13463 break; 13464 case OPC_ADD: 13465 case OPC_ADDU: 13466 case OPC_SUB: 13467 case OPC_SUBU: 13468 gen_arith(ctx, op1, rd, rs, rt); 13469 break; 13470 case OPC_SLLV: /* Shifts */ 13471 case OPC_SRAV: 13472 gen_shift(ctx, op1, rd, rs, rt); 13473 break; 13474 case OPC_SRLV: 13475 switch ((ctx->opcode >> 6) & 0x1f) { 13476 case 1: 13477 /* rotrv is decoded as srlv on non-R2 CPUs */ 13478 if (ctx->insn_flags & ISA_MIPS_R2) { 13479 op1 = OPC_ROTRV; 13480 } 13481 /* Fallthrough */ 13482 case 0: 13483 gen_shift(ctx, op1, rd, rs, rt); 13484 break; 13485 default: 13486 gen_reserved_instruction(ctx); 13487 break; 13488 } 13489 break; 13490 case OPC_SLT: /* Set on less than */ 13491 case OPC_SLTU: 13492 gen_slt(ctx, op1, rd, rs, rt); 13493 break; 13494 case OPC_AND: /* Logic*/ 13495 case OPC_OR: 13496 case OPC_NOR: 13497 case OPC_XOR: 13498 gen_logic(ctx, op1, rd, rs, rt); 13499 break; 13500 case OPC_JALR: 13501 gen_compute_branch(ctx, op1, 4, rs, rd, sa, 4); 13502 break; 13503 case OPC_TGE: /* Traps */ 13504 case OPC_TGEU: 13505 case OPC_TLT: 13506 case OPC_TLTU: 13507 case OPC_TEQ: 13508 case OPC_TNE: 13509 check_insn(ctx, ISA_MIPS2); 13510 gen_trap(ctx, op1, rs, rt, -1, extract32(ctx->opcode, 6, 10)); 13511 break; 13512 case OPC_PMON: 13513 /* Pmon entry point, also R4010 selsl */ 13514 #ifdef MIPS_STRICT_STANDARD 13515 MIPS_INVAL("PMON / selsl"); 13516 gen_reserved_instruction(ctx); 13517 #else 13518 gen_helper_pmon(tcg_env, tcg_constant_i32(sa)); 13519 #endif 13520 break; 13521 case OPC_SYSCALL: 13522 generate_exception_end(ctx, EXCP_SYSCALL); 13523 break; 13524 case OPC_BREAK: 13525 generate_exception_break(ctx, extract32(ctx->opcode, 6, 20)); 13526 break; 13527 case OPC_SYNC: 13528 check_insn(ctx, ISA_MIPS2); 13529 gen_sync(extract32(ctx->opcode, 6, 5)); 13530 break; 13531 13532 #if defined(TARGET_MIPS64) 13533 /* MIPS64 specific opcodes */ 13534 case OPC_DSLL: 13535 case OPC_DSRA: 13536 case OPC_DSLL32: 13537 case OPC_DSRA32: 13538 check_insn(ctx, ISA_MIPS3); 13539 check_mips_64(ctx); 13540 gen_shift_imm(ctx, op1, rd, rt, sa); 13541 break; 13542 case OPC_DSRL: 13543 switch ((ctx->opcode >> 21) & 0x1f) { 13544 case 1: 13545 /* drotr is decoded as dsrl on non-R2 CPUs */ 13546 if (ctx->insn_flags & ISA_MIPS_R2) { 13547 op1 = OPC_DROTR; 13548 } 13549 /* Fallthrough */ 13550 case 0: 13551 check_insn(ctx, ISA_MIPS3); 13552 check_mips_64(ctx); 13553 gen_shift_imm(ctx, op1, rd, rt, sa); 13554 break; 13555 default: 13556 gen_reserved_instruction(ctx); 13557 break; 13558 } 13559 break; 13560 case OPC_DSRL32: 13561 switch ((ctx->opcode >> 21) & 0x1f) { 13562 case 1: 13563 /* drotr32 is decoded as dsrl32 on non-R2 CPUs */ 13564 if (ctx->insn_flags & ISA_MIPS_R2) { 13565 op1 = OPC_DROTR32; 13566 } 13567 /* Fallthrough */ 13568 case 0: 13569 check_insn(ctx, ISA_MIPS3); 13570 check_mips_64(ctx); 13571 gen_shift_imm(ctx, op1, rd, rt, sa); 13572 break; 13573 default: 13574 gen_reserved_instruction(ctx); 13575 break; 13576 } 13577 break; 13578 case OPC_DADD: 13579 case OPC_DADDU: 13580 case OPC_DSUB: 13581 case OPC_DSUBU: 13582 check_insn(ctx, ISA_MIPS3); 13583 check_mips_64(ctx); 13584 gen_arith(ctx, op1, rd, rs, rt); 13585 break; 13586 case OPC_DSLLV: 13587 case OPC_DSRAV: 13588 check_insn(ctx, ISA_MIPS3); 13589 check_mips_64(ctx); 13590 gen_shift(ctx, op1, rd, rs, rt); 13591 break; 13592 case OPC_DSRLV: 13593 switch ((ctx->opcode >> 6) & 0x1f) { 13594 case 1: 13595 /* drotrv is decoded as dsrlv on non-R2 CPUs */ 13596 if (ctx->insn_flags & ISA_MIPS_R2) { 13597 op1 = OPC_DROTRV; 13598 } 13599 /* Fallthrough */ 13600 case 0: 13601 check_insn(ctx, ISA_MIPS3); 13602 check_mips_64(ctx); 13603 gen_shift(ctx, op1, rd, rs, rt); 13604 break; 13605 default: 13606 gen_reserved_instruction(ctx); 13607 break; 13608 } 13609 break; 13610 #endif 13611 default: 13612 if (ctx->insn_flags & ISA_MIPS_R6) { 13613 decode_opc_special_r6(env, ctx); 13614 } else if (ctx->insn_flags & INSN_R5900) { 13615 decode_opc_special_tx79(env, ctx); 13616 } else { 13617 decode_opc_special_legacy(env, ctx); 13618 } 13619 } 13620 } 13621 13622 13623 static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx) 13624 { 13625 int rs, rt, rd; 13626 uint32_t op1; 13627 13628 rs = (ctx->opcode >> 21) & 0x1f; 13629 rt = (ctx->opcode >> 16) & 0x1f; 13630 rd = (ctx->opcode >> 11) & 0x1f; 13631 13632 op1 = MASK_SPECIAL2(ctx->opcode); 13633 switch (op1) { 13634 case OPC_MADD: /* Multiply and add/sub */ 13635 case OPC_MADDU: 13636 case OPC_MSUB: 13637 case OPC_MSUBU: 13638 check_insn(ctx, ISA_MIPS_R1); 13639 gen_muldiv(ctx, op1, rd & 3, rs, rt); 13640 break; 13641 case OPC_MUL: 13642 gen_arith(ctx, op1, rd, rs, rt); 13643 break; 13644 case OPC_DIV_G_2F: 13645 case OPC_DIVU_G_2F: 13646 case OPC_MULT_G_2F: 13647 case OPC_MULTU_G_2F: 13648 case OPC_MOD_G_2F: 13649 case OPC_MODU_G_2F: 13650 check_insn(ctx, INSN_LOONGSON2F | ASE_LEXT); 13651 gen_loongson_integer(ctx, op1, rd, rs, rt); 13652 break; 13653 case OPC_CLO: 13654 case OPC_CLZ: 13655 check_insn(ctx, ISA_MIPS_R1); 13656 gen_cl(ctx, op1, rd, rs); 13657 break; 13658 case OPC_SDBBP: 13659 if (is_uhi(ctx, extract32(ctx->opcode, 6, 20))) { 13660 ctx->base.is_jmp = DISAS_SEMIHOST; 13661 } else { 13662 /* 13663 * XXX: not clear which exception should be raised 13664 * when in debug mode... 13665 */ 13666 check_insn(ctx, ISA_MIPS_R1); 13667 generate_exception_end(ctx, EXCP_DBp); 13668 } 13669 break; 13670 #if defined(TARGET_MIPS64) 13671 case OPC_DCLO: 13672 case OPC_DCLZ: 13673 check_insn(ctx, ISA_MIPS_R1); 13674 check_mips_64(ctx); 13675 gen_cl(ctx, op1, rd, rs); 13676 break; 13677 case OPC_DMULT_G_2F: 13678 case OPC_DMULTU_G_2F: 13679 case OPC_DDIV_G_2F: 13680 case OPC_DDIVU_G_2F: 13681 case OPC_DMOD_G_2F: 13682 case OPC_DMODU_G_2F: 13683 check_insn(ctx, INSN_LOONGSON2F | ASE_LEXT); 13684 gen_loongson_integer(ctx, op1, rd, rs, rt); 13685 break; 13686 #endif 13687 default: /* Invalid */ 13688 MIPS_INVAL("special2_legacy"); 13689 gen_reserved_instruction(ctx); 13690 break; 13691 } 13692 } 13693 13694 static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx) 13695 { 13696 int rs, rt, rd, sa; 13697 uint32_t op1, op2; 13698 int16_t imm; 13699 13700 rs = (ctx->opcode >> 21) & 0x1f; 13701 rt = (ctx->opcode >> 16) & 0x1f; 13702 rd = (ctx->opcode >> 11) & 0x1f; 13703 sa = (ctx->opcode >> 6) & 0x1f; 13704 imm = (int16_t)ctx->opcode >> 7; 13705 13706 op1 = MASK_SPECIAL3(ctx->opcode); 13707 switch (op1) { 13708 case R6_OPC_PREF: 13709 if (rt >= 24) { 13710 /* hint codes 24-31 are reserved and signal RI */ 13711 gen_reserved_instruction(ctx); 13712 } 13713 /* Treat as NOP. */ 13714 break; 13715 case R6_OPC_CACHE: 13716 check_cp0_enabled(ctx); 13717 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) { 13718 gen_cache_operation(ctx, rt, rs, imm); 13719 } 13720 break; 13721 case R6_OPC_SC: 13722 gen_st_cond(ctx, rt, rs, imm, MO_TESL, false); 13723 break; 13724 case R6_OPC_LL: 13725 gen_ld(ctx, op1, rt, rs, imm); 13726 break; 13727 case OPC_BSHFL: 13728 { 13729 if (rd == 0) { 13730 /* Treat as NOP. */ 13731 break; 13732 } 13733 op2 = MASK_BSHFL(ctx->opcode); 13734 switch (op2) { 13735 case OPC_ALIGN: 13736 case OPC_ALIGN_1: 13737 case OPC_ALIGN_2: 13738 case OPC_ALIGN_3: 13739 gen_align(ctx, 32, rd, rs, rt, sa & 3); 13740 break; 13741 case OPC_BITSWAP: 13742 gen_bitswap(ctx, op2, rd, rt); 13743 break; 13744 } 13745 } 13746 break; 13747 #ifndef CONFIG_USER_ONLY 13748 case OPC_GINV: 13749 if (unlikely(ctx->gi <= 1)) { 13750 gen_reserved_instruction(ctx); 13751 } 13752 check_cp0_enabled(ctx); 13753 switch ((ctx->opcode >> 6) & 3) { 13754 case 0: /* GINVI */ 13755 /* Treat as NOP. */ 13756 break; 13757 case 2: /* GINVT */ 13758 gen_helper_0e1i(ginvt, cpu_gpr[rs], extract32(ctx->opcode, 8, 2)); 13759 break; 13760 default: 13761 gen_reserved_instruction(ctx); 13762 break; 13763 } 13764 break; 13765 #endif 13766 #if defined(TARGET_MIPS64) 13767 case R6_OPC_SCD: 13768 gen_st_cond(ctx, rt, rs, imm, MO_TEUQ, false); 13769 break; 13770 case R6_OPC_LLD: 13771 gen_ld(ctx, op1, rt, rs, imm); 13772 break; 13773 case OPC_DBSHFL: 13774 check_mips_64(ctx); 13775 { 13776 if (rd == 0) { 13777 /* Treat as NOP. */ 13778 break; 13779 } 13780 op2 = MASK_DBSHFL(ctx->opcode); 13781 switch (op2) { 13782 case OPC_DALIGN: 13783 case OPC_DALIGN_1: 13784 case OPC_DALIGN_2: 13785 case OPC_DALIGN_3: 13786 case OPC_DALIGN_4: 13787 case OPC_DALIGN_5: 13788 case OPC_DALIGN_6: 13789 case OPC_DALIGN_7: 13790 gen_align(ctx, 64, rd, rs, rt, sa & 7); 13791 break; 13792 case OPC_DBITSWAP: 13793 gen_bitswap(ctx, op2, rd, rt); 13794 break; 13795 } 13796 13797 } 13798 break; 13799 #endif 13800 default: /* Invalid */ 13801 MIPS_INVAL("special3_r6"); 13802 gen_reserved_instruction(ctx); 13803 break; 13804 } 13805 } 13806 13807 static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx) 13808 { 13809 int rs, rt, rd; 13810 uint32_t op1, op2; 13811 13812 rs = (ctx->opcode >> 21) & 0x1f; 13813 rt = (ctx->opcode >> 16) & 0x1f; 13814 rd = (ctx->opcode >> 11) & 0x1f; 13815 13816 op1 = MASK_SPECIAL3(ctx->opcode); 13817 switch (op1) { 13818 case OPC_DIV_G_2E: 13819 case OPC_DIVU_G_2E: 13820 case OPC_MOD_G_2E: 13821 case OPC_MODU_G_2E: 13822 case OPC_MULT_G_2E: 13823 case OPC_MULTU_G_2E: 13824 /* 13825 * OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have 13826 * the same mask and op1. 13827 */ 13828 if ((ctx->insn_flags & ASE_DSP_R2) && (op1 == OPC_MULT_G_2E)) { 13829 op2 = MASK_ADDUH_QB(ctx->opcode); 13830 switch (op2) { 13831 case OPC_ADDUH_QB: 13832 case OPC_ADDUH_R_QB: 13833 case OPC_ADDQH_PH: 13834 case OPC_ADDQH_R_PH: 13835 case OPC_ADDQH_W: 13836 case OPC_ADDQH_R_W: 13837 case OPC_SUBUH_QB: 13838 case OPC_SUBUH_R_QB: 13839 case OPC_SUBQH_PH: 13840 case OPC_SUBQH_R_PH: 13841 case OPC_SUBQH_W: 13842 case OPC_SUBQH_R_W: 13843 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 13844 break; 13845 case OPC_MUL_PH: 13846 case OPC_MUL_S_PH: 13847 case OPC_MULQ_S_W: 13848 case OPC_MULQ_RS_W: 13849 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1); 13850 break; 13851 default: 13852 MIPS_INVAL("MASK ADDUH.QB"); 13853 gen_reserved_instruction(ctx); 13854 break; 13855 } 13856 } else if (ctx->insn_flags & INSN_LOONGSON2E) { 13857 gen_loongson_integer(ctx, op1, rd, rs, rt); 13858 } else { 13859 gen_reserved_instruction(ctx); 13860 } 13861 break; 13862 case OPC_LX_DSP: 13863 op2 = MASK_LX(ctx->opcode); 13864 switch (op2) { 13865 #if defined(TARGET_MIPS64) 13866 case OPC_LDX: 13867 #endif 13868 case OPC_LBUX: 13869 case OPC_LHX: 13870 case OPC_LWX: 13871 gen_mips_lx(ctx, op2, rd, rs, rt); 13872 break; 13873 default: /* Invalid */ 13874 MIPS_INVAL("MASK LX"); 13875 gen_reserved_instruction(ctx); 13876 break; 13877 } 13878 break; 13879 case OPC_ABSQ_S_PH_DSP: 13880 op2 = MASK_ABSQ_S_PH(ctx->opcode); 13881 switch (op2) { 13882 case OPC_ABSQ_S_QB: 13883 case OPC_ABSQ_S_PH: 13884 case OPC_ABSQ_S_W: 13885 case OPC_PRECEQ_W_PHL: 13886 case OPC_PRECEQ_W_PHR: 13887 case OPC_PRECEQU_PH_QBL: 13888 case OPC_PRECEQU_PH_QBR: 13889 case OPC_PRECEQU_PH_QBLA: 13890 case OPC_PRECEQU_PH_QBRA: 13891 case OPC_PRECEU_PH_QBL: 13892 case OPC_PRECEU_PH_QBR: 13893 case OPC_PRECEU_PH_QBLA: 13894 case OPC_PRECEU_PH_QBRA: 13895 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 13896 break; 13897 case OPC_BITREV: 13898 case OPC_REPL_QB: 13899 case OPC_REPLV_QB: 13900 case OPC_REPL_PH: 13901 case OPC_REPLV_PH: 13902 gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt); 13903 break; 13904 default: 13905 MIPS_INVAL("MASK ABSQ_S.PH"); 13906 gen_reserved_instruction(ctx); 13907 break; 13908 } 13909 break; 13910 case OPC_ADDU_QB_DSP: 13911 op2 = MASK_ADDU_QB(ctx->opcode); 13912 switch (op2) { 13913 case OPC_ADDQ_PH: 13914 case OPC_ADDQ_S_PH: 13915 case OPC_ADDQ_S_W: 13916 case OPC_ADDU_QB: 13917 case OPC_ADDU_S_QB: 13918 case OPC_ADDU_PH: 13919 case OPC_ADDU_S_PH: 13920 case OPC_SUBQ_PH: 13921 case OPC_SUBQ_S_PH: 13922 case OPC_SUBQ_S_W: 13923 case OPC_SUBU_QB: 13924 case OPC_SUBU_S_QB: 13925 case OPC_SUBU_PH: 13926 case OPC_SUBU_S_PH: 13927 case OPC_ADDSC: 13928 case OPC_ADDWC: 13929 case OPC_MODSUB: 13930 case OPC_RADDU_W_QB: 13931 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 13932 break; 13933 case OPC_MULEU_S_PH_QBL: 13934 case OPC_MULEU_S_PH_QBR: 13935 case OPC_MULQ_RS_PH: 13936 case OPC_MULEQ_S_W_PHL: 13937 case OPC_MULEQ_S_W_PHR: 13938 case OPC_MULQ_S_PH: 13939 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1); 13940 break; 13941 default: /* Invalid */ 13942 MIPS_INVAL("MASK ADDU.QB"); 13943 gen_reserved_instruction(ctx); 13944 break; 13945 13946 } 13947 break; 13948 case OPC_CMPU_EQ_QB_DSP: 13949 op2 = MASK_CMPU_EQ_QB(ctx->opcode); 13950 switch (op2) { 13951 case OPC_PRECR_SRA_PH_W: 13952 case OPC_PRECR_SRA_R_PH_W: 13953 gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd); 13954 break; 13955 case OPC_PRECR_QB_PH: 13956 case OPC_PRECRQ_QB_PH: 13957 case OPC_PRECRQ_PH_W: 13958 case OPC_PRECRQ_RS_PH_W: 13959 case OPC_PRECRQU_S_QB_PH: 13960 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 13961 break; 13962 case OPC_CMPU_EQ_QB: 13963 case OPC_CMPU_LT_QB: 13964 case OPC_CMPU_LE_QB: 13965 case OPC_CMP_EQ_PH: 13966 case OPC_CMP_LT_PH: 13967 case OPC_CMP_LE_PH: 13968 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0); 13969 break; 13970 case OPC_CMPGU_EQ_QB: 13971 case OPC_CMPGU_LT_QB: 13972 case OPC_CMPGU_LE_QB: 13973 case OPC_CMPGDU_EQ_QB: 13974 case OPC_CMPGDU_LT_QB: 13975 case OPC_CMPGDU_LE_QB: 13976 case OPC_PICK_QB: 13977 case OPC_PICK_PH: 13978 case OPC_PACKRL_PH: 13979 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1); 13980 break; 13981 default: /* Invalid */ 13982 MIPS_INVAL("MASK CMPU.EQ.QB"); 13983 gen_reserved_instruction(ctx); 13984 break; 13985 } 13986 break; 13987 case OPC_SHLL_QB_DSP: 13988 gen_mipsdsp_shift(ctx, op1, rd, rs, rt); 13989 break; 13990 case OPC_DPA_W_PH_DSP: 13991 op2 = MASK_DPA_W_PH(ctx->opcode); 13992 switch (op2) { 13993 case OPC_DPAU_H_QBL: 13994 case OPC_DPAU_H_QBR: 13995 case OPC_DPSU_H_QBL: 13996 case OPC_DPSU_H_QBR: 13997 case OPC_DPA_W_PH: 13998 case OPC_DPAX_W_PH: 13999 case OPC_DPAQ_S_W_PH: 14000 case OPC_DPAQX_S_W_PH: 14001 case OPC_DPAQX_SA_W_PH: 14002 case OPC_DPS_W_PH: 14003 case OPC_DPSX_W_PH: 14004 case OPC_DPSQ_S_W_PH: 14005 case OPC_DPSQX_S_W_PH: 14006 case OPC_DPSQX_SA_W_PH: 14007 case OPC_MULSAQ_S_W_PH: 14008 case OPC_DPAQ_SA_L_W: 14009 case OPC_DPSQ_SA_L_W: 14010 case OPC_MAQ_S_W_PHL: 14011 case OPC_MAQ_S_W_PHR: 14012 case OPC_MAQ_SA_W_PHL: 14013 case OPC_MAQ_SA_W_PHR: 14014 case OPC_MULSA_W_PH: 14015 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0); 14016 break; 14017 default: /* Invalid */ 14018 MIPS_INVAL("MASK DPAW.PH"); 14019 gen_reserved_instruction(ctx); 14020 break; 14021 } 14022 break; 14023 case OPC_INSV_DSP: 14024 op2 = MASK_INSV(ctx->opcode); 14025 switch (op2) { 14026 case OPC_INSV: 14027 check_dsp(ctx); 14028 { 14029 TCGv t0, t1; 14030 14031 if (rt == 0) { 14032 break; 14033 } 14034 14035 t0 = tcg_temp_new(); 14036 t1 = tcg_temp_new(); 14037 14038 gen_load_gpr(t0, rt); 14039 gen_load_gpr(t1, rs); 14040 14041 gen_helper_insv(cpu_gpr[rt], tcg_env, t1, t0); 14042 break; 14043 } 14044 default: /* Invalid */ 14045 MIPS_INVAL("MASK INSV"); 14046 gen_reserved_instruction(ctx); 14047 break; 14048 } 14049 break; 14050 case OPC_APPEND_DSP: 14051 gen_mipsdsp_append(env, ctx, op1, rt, rs, rd); 14052 break; 14053 case OPC_EXTR_W_DSP: 14054 op2 = MASK_EXTR_W(ctx->opcode); 14055 switch (op2) { 14056 case OPC_EXTR_W: 14057 case OPC_EXTR_R_W: 14058 case OPC_EXTR_RS_W: 14059 case OPC_EXTR_S_H: 14060 case OPC_EXTRV_S_H: 14061 case OPC_EXTRV_W: 14062 case OPC_EXTRV_R_W: 14063 case OPC_EXTRV_RS_W: 14064 case OPC_EXTP: 14065 case OPC_EXTPV: 14066 case OPC_EXTPDP: 14067 case OPC_EXTPDPV: 14068 gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1); 14069 break; 14070 case OPC_RDDSP: 14071 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 1); 14072 break; 14073 case OPC_SHILO: 14074 case OPC_SHILOV: 14075 case OPC_MTHLIP: 14076 case OPC_WRDSP: 14077 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0); 14078 break; 14079 default: /* Invalid */ 14080 MIPS_INVAL("MASK EXTR.W"); 14081 gen_reserved_instruction(ctx); 14082 break; 14083 } 14084 break; 14085 #if defined(TARGET_MIPS64) 14086 case OPC_DDIV_G_2E: 14087 case OPC_DDIVU_G_2E: 14088 case OPC_DMULT_G_2E: 14089 case OPC_DMULTU_G_2E: 14090 case OPC_DMOD_G_2E: 14091 case OPC_DMODU_G_2E: 14092 check_insn(ctx, INSN_LOONGSON2E); 14093 gen_loongson_integer(ctx, op1, rd, rs, rt); 14094 break; 14095 case OPC_ABSQ_S_QH_DSP: 14096 op2 = MASK_ABSQ_S_QH(ctx->opcode); 14097 switch (op2) { 14098 case OPC_PRECEQ_L_PWL: 14099 case OPC_PRECEQ_L_PWR: 14100 case OPC_PRECEQ_PW_QHL: 14101 case OPC_PRECEQ_PW_QHR: 14102 case OPC_PRECEQ_PW_QHLA: 14103 case OPC_PRECEQ_PW_QHRA: 14104 case OPC_PRECEQU_QH_OBL: 14105 case OPC_PRECEQU_QH_OBR: 14106 case OPC_PRECEQU_QH_OBLA: 14107 case OPC_PRECEQU_QH_OBRA: 14108 case OPC_PRECEU_QH_OBL: 14109 case OPC_PRECEU_QH_OBR: 14110 case OPC_PRECEU_QH_OBLA: 14111 case OPC_PRECEU_QH_OBRA: 14112 case OPC_ABSQ_S_OB: 14113 case OPC_ABSQ_S_PW: 14114 case OPC_ABSQ_S_QH: 14115 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 14116 break; 14117 case OPC_REPL_OB: 14118 case OPC_REPL_PW: 14119 case OPC_REPL_QH: 14120 case OPC_REPLV_OB: 14121 case OPC_REPLV_PW: 14122 case OPC_REPLV_QH: 14123 gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt); 14124 break; 14125 default: /* Invalid */ 14126 MIPS_INVAL("MASK ABSQ_S.QH"); 14127 gen_reserved_instruction(ctx); 14128 break; 14129 } 14130 break; 14131 case OPC_ADDU_OB_DSP: 14132 op2 = MASK_ADDU_OB(ctx->opcode); 14133 switch (op2) { 14134 case OPC_RADDU_L_OB: 14135 case OPC_SUBQ_PW: 14136 case OPC_SUBQ_S_PW: 14137 case OPC_SUBQ_QH: 14138 case OPC_SUBQ_S_QH: 14139 case OPC_SUBU_OB: 14140 case OPC_SUBU_S_OB: 14141 case OPC_SUBU_QH: 14142 case OPC_SUBU_S_QH: 14143 case OPC_SUBUH_OB: 14144 case OPC_SUBUH_R_OB: 14145 case OPC_ADDQ_PW: 14146 case OPC_ADDQ_S_PW: 14147 case OPC_ADDQ_QH: 14148 case OPC_ADDQ_S_QH: 14149 case OPC_ADDU_OB: 14150 case OPC_ADDU_S_OB: 14151 case OPC_ADDU_QH: 14152 case OPC_ADDU_S_QH: 14153 case OPC_ADDUH_OB: 14154 case OPC_ADDUH_R_OB: 14155 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 14156 break; 14157 case OPC_MULEQ_S_PW_QHL: 14158 case OPC_MULEQ_S_PW_QHR: 14159 case OPC_MULEU_S_QH_OBL: 14160 case OPC_MULEU_S_QH_OBR: 14161 case OPC_MULQ_RS_QH: 14162 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1); 14163 break; 14164 default: /* Invalid */ 14165 MIPS_INVAL("MASK ADDU.OB"); 14166 gen_reserved_instruction(ctx); 14167 break; 14168 } 14169 break; 14170 case OPC_CMPU_EQ_OB_DSP: 14171 op2 = MASK_CMPU_EQ_OB(ctx->opcode); 14172 switch (op2) { 14173 case OPC_PRECR_SRA_QH_PW: 14174 case OPC_PRECR_SRA_R_QH_PW: 14175 /* Return value is rt. */ 14176 gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd); 14177 break; 14178 case OPC_PRECR_OB_QH: 14179 case OPC_PRECRQ_OB_QH: 14180 case OPC_PRECRQ_PW_L: 14181 case OPC_PRECRQ_QH_PW: 14182 case OPC_PRECRQ_RS_QH_PW: 14183 case OPC_PRECRQU_S_OB_QH: 14184 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 14185 break; 14186 case OPC_CMPU_EQ_OB: 14187 case OPC_CMPU_LT_OB: 14188 case OPC_CMPU_LE_OB: 14189 case OPC_CMP_EQ_QH: 14190 case OPC_CMP_LT_QH: 14191 case OPC_CMP_LE_QH: 14192 case OPC_CMP_EQ_PW: 14193 case OPC_CMP_LT_PW: 14194 case OPC_CMP_LE_PW: 14195 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0); 14196 break; 14197 case OPC_CMPGDU_EQ_OB: 14198 case OPC_CMPGDU_LT_OB: 14199 case OPC_CMPGDU_LE_OB: 14200 case OPC_CMPGU_EQ_OB: 14201 case OPC_CMPGU_LT_OB: 14202 case OPC_CMPGU_LE_OB: 14203 case OPC_PACKRL_PW: 14204 case OPC_PICK_OB: 14205 case OPC_PICK_PW: 14206 case OPC_PICK_QH: 14207 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1); 14208 break; 14209 default: /* Invalid */ 14210 MIPS_INVAL("MASK CMPU_EQ.OB"); 14211 gen_reserved_instruction(ctx); 14212 break; 14213 } 14214 break; 14215 case OPC_DAPPEND_DSP: 14216 gen_mipsdsp_append(env, ctx, op1, rt, rs, rd); 14217 break; 14218 case OPC_DEXTR_W_DSP: 14219 op2 = MASK_DEXTR_W(ctx->opcode); 14220 switch (op2) { 14221 case OPC_DEXTP: 14222 case OPC_DEXTPDP: 14223 case OPC_DEXTPDPV: 14224 case OPC_DEXTPV: 14225 case OPC_DEXTR_L: 14226 case OPC_DEXTR_R_L: 14227 case OPC_DEXTR_RS_L: 14228 case OPC_DEXTR_W: 14229 case OPC_DEXTR_R_W: 14230 case OPC_DEXTR_RS_W: 14231 case OPC_DEXTR_S_H: 14232 case OPC_DEXTRV_L: 14233 case OPC_DEXTRV_R_L: 14234 case OPC_DEXTRV_RS_L: 14235 case OPC_DEXTRV_S_H: 14236 case OPC_DEXTRV_W: 14237 case OPC_DEXTRV_R_W: 14238 case OPC_DEXTRV_RS_W: 14239 gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1); 14240 break; 14241 case OPC_DMTHLIP: 14242 case OPC_DSHILO: 14243 case OPC_DSHILOV: 14244 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0); 14245 break; 14246 default: /* Invalid */ 14247 MIPS_INVAL("MASK EXTR.W"); 14248 gen_reserved_instruction(ctx); 14249 break; 14250 } 14251 break; 14252 case OPC_DPAQ_W_QH_DSP: 14253 op2 = MASK_DPAQ_W_QH(ctx->opcode); 14254 switch (op2) { 14255 case OPC_DPAU_H_OBL: 14256 case OPC_DPAU_H_OBR: 14257 case OPC_DPSU_H_OBL: 14258 case OPC_DPSU_H_OBR: 14259 case OPC_DPA_W_QH: 14260 case OPC_DPAQ_S_W_QH: 14261 case OPC_DPS_W_QH: 14262 case OPC_DPSQ_S_W_QH: 14263 case OPC_MULSAQ_S_W_QH: 14264 case OPC_DPAQ_SA_L_PW: 14265 case OPC_DPSQ_SA_L_PW: 14266 case OPC_MULSAQ_S_L_PW: 14267 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0); 14268 break; 14269 case OPC_MAQ_S_W_QHLL: 14270 case OPC_MAQ_S_W_QHLR: 14271 case OPC_MAQ_S_W_QHRL: 14272 case OPC_MAQ_S_W_QHRR: 14273 case OPC_MAQ_SA_W_QHLL: 14274 case OPC_MAQ_SA_W_QHLR: 14275 case OPC_MAQ_SA_W_QHRL: 14276 case OPC_MAQ_SA_W_QHRR: 14277 case OPC_MAQ_S_L_PWL: 14278 case OPC_MAQ_S_L_PWR: 14279 case OPC_DMADD: 14280 case OPC_DMADDU: 14281 case OPC_DMSUB: 14282 case OPC_DMSUBU: 14283 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0); 14284 break; 14285 default: /* Invalid */ 14286 MIPS_INVAL("MASK DPAQ.W.QH"); 14287 gen_reserved_instruction(ctx); 14288 break; 14289 } 14290 break; 14291 case OPC_DINSV_DSP: 14292 op2 = MASK_INSV(ctx->opcode); 14293 switch (op2) { 14294 case OPC_DINSV: 14295 { 14296 TCGv t0, t1; 14297 14298 check_dsp(ctx); 14299 14300 if (rt == 0) { 14301 break; 14302 } 14303 14304 t0 = tcg_temp_new(); 14305 t1 = tcg_temp_new(); 14306 14307 gen_load_gpr(t0, rt); 14308 gen_load_gpr(t1, rs); 14309 14310 gen_helper_dinsv(cpu_gpr[rt], tcg_env, t1, t0); 14311 break; 14312 } 14313 default: /* Invalid */ 14314 MIPS_INVAL("MASK DINSV"); 14315 gen_reserved_instruction(ctx); 14316 break; 14317 } 14318 break; 14319 case OPC_SHLL_OB_DSP: 14320 gen_mipsdsp_shift(ctx, op1, rd, rs, rt); 14321 break; 14322 #endif 14323 default: /* Invalid */ 14324 MIPS_INVAL("special3_legacy"); 14325 gen_reserved_instruction(ctx); 14326 break; 14327 } 14328 } 14329 14330 14331 #if defined(TARGET_MIPS64) 14332 14333 static void decode_mmi(CPUMIPSState *env, DisasContext *ctx) 14334 { 14335 uint32_t opc = MASK_MMI(ctx->opcode); 14336 int rs = extract32(ctx->opcode, 21, 5); 14337 int rt = extract32(ctx->opcode, 16, 5); 14338 int rd = extract32(ctx->opcode, 11, 5); 14339 14340 switch (opc) { 14341 case MMI_OPC_MULT1: 14342 case MMI_OPC_MULTU1: 14343 case MMI_OPC_MADD: 14344 case MMI_OPC_MADDU: 14345 case MMI_OPC_MADD1: 14346 case MMI_OPC_MADDU1: 14347 gen_mul_txx9(ctx, opc, rd, rs, rt); 14348 break; 14349 case MMI_OPC_DIV1: 14350 case MMI_OPC_DIVU1: 14351 gen_div1_tx79(ctx, opc, rs, rt); 14352 break; 14353 default: 14354 MIPS_INVAL("TX79 MMI class"); 14355 gen_reserved_instruction(ctx); 14356 break; 14357 } 14358 } 14359 14360 static void gen_mmi_sq(DisasContext *ctx, int base, int rt, int offset) 14361 { 14362 gen_reserved_instruction(ctx); /* TODO: MMI_OPC_SQ */ 14363 } 14364 14365 /* 14366 * The TX79-specific instruction Store Quadword 14367 * 14368 * +--------+-------+-------+------------------------+ 14369 * | 011111 | base | rt | offset | SQ 14370 * +--------+-------+-------+------------------------+ 14371 * 6 5 5 16 14372 * 14373 * has the same opcode as the Read Hardware Register instruction 14374 * 14375 * +--------+-------+-------+-------+-------+--------+ 14376 * | 011111 | 00000 | rt | rd | 00000 | 111011 | RDHWR 14377 * +--------+-------+-------+-------+-------+--------+ 14378 * 6 5 5 5 5 6 14379 * 14380 * that is required, trapped and emulated by the Linux kernel. However, all 14381 * RDHWR encodings yield address error exceptions on the TX79 since the SQ 14382 * offset is odd. Therefore all valid SQ instructions can execute normally. 14383 * In user mode, QEMU must verify the upper and lower 11 bits to distinguish 14384 * between SQ and RDHWR, as the Linux kernel does. 14385 */ 14386 static void decode_mmi_sq(CPUMIPSState *env, DisasContext *ctx) 14387 { 14388 int base = extract32(ctx->opcode, 21, 5); 14389 int rt = extract32(ctx->opcode, 16, 5); 14390 int offset = extract32(ctx->opcode, 0, 16); 14391 14392 #ifdef CONFIG_USER_ONLY 14393 uint32_t op1 = MASK_SPECIAL3(ctx->opcode); 14394 uint32_t op2 = extract32(ctx->opcode, 6, 5); 14395 14396 if (base == 0 && op2 == 0 && op1 == OPC_RDHWR) { 14397 int rd = extract32(ctx->opcode, 11, 5); 14398 14399 gen_rdhwr(ctx, rt, rd, 0); 14400 return; 14401 } 14402 #endif 14403 14404 gen_mmi_sq(ctx, base, rt, offset); 14405 } 14406 14407 #endif 14408 14409 static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx) 14410 { 14411 int rs, rt, rd, sa; 14412 uint32_t op1, op2; 14413 int16_t imm; 14414 14415 rs = (ctx->opcode >> 21) & 0x1f; 14416 rt = (ctx->opcode >> 16) & 0x1f; 14417 rd = (ctx->opcode >> 11) & 0x1f; 14418 sa = (ctx->opcode >> 6) & 0x1f; 14419 imm = sextract32(ctx->opcode, 7, 9); 14420 14421 op1 = MASK_SPECIAL3(ctx->opcode); 14422 14423 /* 14424 * EVA loads and stores overlap Loongson 2E instructions decoded by 14425 * decode_opc_special3_legacy(), so be careful to allow their decoding when 14426 * EVA is absent. 14427 */ 14428 if (ctx->eva) { 14429 switch (op1) { 14430 case OPC_LWLE: 14431 case OPC_LWRE: 14432 case OPC_LBUE: 14433 case OPC_LHUE: 14434 case OPC_LBE: 14435 case OPC_LHE: 14436 case OPC_LLE: 14437 case OPC_LWE: 14438 check_cp0_enabled(ctx); 14439 gen_ld(ctx, op1, rt, rs, imm); 14440 return; 14441 case OPC_SWLE: 14442 case OPC_SWRE: 14443 case OPC_SBE: 14444 case OPC_SHE: 14445 case OPC_SWE: 14446 check_cp0_enabled(ctx); 14447 gen_st(ctx, op1, rt, rs, imm); 14448 return; 14449 case OPC_SCE: 14450 check_cp0_enabled(ctx); 14451 gen_st_cond(ctx, rt, rs, imm, MO_TESL, true); 14452 return; 14453 case OPC_CACHEE: 14454 check_eva(ctx); 14455 check_cp0_enabled(ctx); 14456 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) { 14457 gen_cache_operation(ctx, rt, rs, imm); 14458 } 14459 return; 14460 case OPC_PREFE: 14461 check_cp0_enabled(ctx); 14462 /* Treat as NOP. */ 14463 return; 14464 } 14465 } 14466 14467 switch (op1) { 14468 case OPC_EXT: 14469 case OPC_INS: 14470 check_insn(ctx, ISA_MIPS_R2); 14471 gen_bitops(ctx, op1, rt, rs, sa, rd); 14472 break; 14473 case OPC_BSHFL: 14474 op2 = MASK_BSHFL(ctx->opcode); 14475 switch (op2) { 14476 case OPC_ALIGN: 14477 case OPC_ALIGN_1: 14478 case OPC_ALIGN_2: 14479 case OPC_ALIGN_3: 14480 case OPC_BITSWAP: 14481 check_insn(ctx, ISA_MIPS_R6); 14482 decode_opc_special3_r6(env, ctx); 14483 break; 14484 default: 14485 check_insn(ctx, ISA_MIPS_R2); 14486 gen_bshfl(ctx, op2, rt, rd); 14487 break; 14488 } 14489 break; 14490 #if defined(TARGET_MIPS64) 14491 case OPC_DEXTM: 14492 case OPC_DEXTU: 14493 case OPC_DEXT: 14494 case OPC_DINSM: 14495 case OPC_DINSU: 14496 case OPC_DINS: 14497 check_insn(ctx, ISA_MIPS_R2); 14498 check_mips_64(ctx); 14499 gen_bitops(ctx, op1, rt, rs, sa, rd); 14500 break; 14501 case OPC_DBSHFL: 14502 op2 = MASK_DBSHFL(ctx->opcode); 14503 switch (op2) { 14504 case OPC_DALIGN: 14505 case OPC_DALIGN_1: 14506 case OPC_DALIGN_2: 14507 case OPC_DALIGN_3: 14508 case OPC_DALIGN_4: 14509 case OPC_DALIGN_5: 14510 case OPC_DALIGN_6: 14511 case OPC_DALIGN_7: 14512 case OPC_DBITSWAP: 14513 check_insn(ctx, ISA_MIPS_R6); 14514 decode_opc_special3_r6(env, ctx); 14515 break; 14516 default: 14517 check_insn(ctx, ISA_MIPS_R2); 14518 check_mips_64(ctx); 14519 op2 = MASK_DBSHFL(ctx->opcode); 14520 gen_bshfl(ctx, op2, rt, rd); 14521 break; 14522 } 14523 break; 14524 #endif 14525 case OPC_RDHWR: 14526 gen_rdhwr(ctx, rt, rd, extract32(ctx->opcode, 6, 3)); 14527 break; 14528 case OPC_FORK: 14529 check_mt(ctx); 14530 { 14531 TCGv t0 = tcg_temp_new(); 14532 TCGv t1 = tcg_temp_new(); 14533 14534 gen_load_gpr(t0, rt); 14535 gen_load_gpr(t1, rs); 14536 gen_helper_fork(t0, t1); 14537 } 14538 break; 14539 case OPC_YIELD: 14540 check_mt(ctx); 14541 { 14542 TCGv t0 = tcg_temp_new(); 14543 14544 gen_load_gpr(t0, rs); 14545 gen_helper_yield(t0, tcg_env, t0); 14546 gen_store_gpr(t0, rd); 14547 } 14548 break; 14549 default: 14550 if (ctx->insn_flags & ISA_MIPS_R6) { 14551 decode_opc_special3_r6(env, ctx); 14552 } else { 14553 decode_opc_special3_legacy(env, ctx); 14554 } 14555 } 14556 } 14557 14558 static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) 14559 { 14560 int32_t offset; 14561 int rs, rt, rd, sa; 14562 uint32_t op, op1; 14563 int16_t imm; 14564 14565 op = MASK_OP_MAJOR(ctx->opcode); 14566 rs = (ctx->opcode >> 21) & 0x1f; 14567 rt = (ctx->opcode >> 16) & 0x1f; 14568 rd = (ctx->opcode >> 11) & 0x1f; 14569 sa = (ctx->opcode >> 6) & 0x1f; 14570 imm = (int16_t)ctx->opcode; 14571 switch (op) { 14572 case OPC_SPECIAL: 14573 decode_opc_special(env, ctx); 14574 break; 14575 case OPC_SPECIAL2: 14576 #if defined(TARGET_MIPS64) 14577 if ((ctx->insn_flags & INSN_R5900) && (ctx->insn_flags & ASE_MMI)) { 14578 decode_mmi(env, ctx); 14579 break; 14580 } 14581 #endif 14582 if (TARGET_LONG_BITS == 32 && (ctx->insn_flags & ASE_MXU)) { 14583 if (decode_ase_mxu(ctx, ctx->opcode)) { 14584 break; 14585 } 14586 } 14587 decode_opc_special2_legacy(env, ctx); 14588 break; 14589 case OPC_SPECIAL3: 14590 #if defined(TARGET_MIPS64) 14591 if (ctx->insn_flags & INSN_R5900) { 14592 decode_mmi_sq(env, ctx); /* MMI_OPC_SQ */ 14593 } else { 14594 decode_opc_special3(env, ctx); 14595 } 14596 #else 14597 decode_opc_special3(env, ctx); 14598 #endif 14599 break; 14600 case OPC_REGIMM: 14601 op1 = MASK_REGIMM(ctx->opcode); 14602 switch (op1) { 14603 case OPC_BLTZL: /* REGIMM branches */ 14604 case OPC_BGEZL: 14605 case OPC_BLTZALL: 14606 case OPC_BGEZALL: 14607 check_insn(ctx, ISA_MIPS2); 14608 check_insn_opc_removed(ctx, ISA_MIPS_R6); 14609 /* Fallthrough */ 14610 case OPC_BLTZ: 14611 case OPC_BGEZ: 14612 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4); 14613 break; 14614 case OPC_BLTZAL: 14615 case OPC_BGEZAL: 14616 if (ctx->insn_flags & ISA_MIPS_R6) { 14617 if (rs == 0) { 14618 /* OPC_NAL, OPC_BAL */ 14619 gen_compute_branch(ctx, op1, 4, 0, -1, imm << 2, 4); 14620 } else { 14621 gen_reserved_instruction(ctx); 14622 } 14623 } else { 14624 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4); 14625 } 14626 break; 14627 case OPC_TGEI: /* REGIMM traps */ 14628 case OPC_TGEIU: 14629 case OPC_TLTI: 14630 case OPC_TLTIU: 14631 case OPC_TEQI: 14632 case OPC_TNEI: 14633 check_insn(ctx, ISA_MIPS2); 14634 check_insn_opc_removed(ctx, ISA_MIPS_R6); 14635 gen_trap(ctx, op1, rs, -1, imm, 0); 14636 break; 14637 case OPC_SIGRIE: 14638 check_insn(ctx, ISA_MIPS_R6); 14639 gen_reserved_instruction(ctx); 14640 break; 14641 case OPC_SYNCI: 14642 check_insn(ctx, ISA_MIPS_R2); 14643 /* 14644 * Break the TB to be able to sync copied instructions 14645 * immediately. 14646 */ 14647 ctx->base.is_jmp = DISAS_STOP; 14648 break; 14649 case OPC_BPOSGE32: /* MIPS DSP branch */ 14650 #if defined(TARGET_MIPS64) 14651 case OPC_BPOSGE64: 14652 #endif 14653 check_dsp(ctx); 14654 gen_compute_branch(ctx, op1, 4, -1, -2, (int32_t)imm << 2, 4); 14655 break; 14656 #if defined(TARGET_MIPS64) 14657 case OPC_DAHI: 14658 check_insn(ctx, ISA_MIPS_R6); 14659 check_mips_64(ctx); 14660 if (rs != 0) { 14661 tcg_gen_addi_tl(cpu_gpr[rs], cpu_gpr[rs], (int64_t)imm << 32); 14662 } 14663 break; 14664 case OPC_DATI: 14665 check_insn(ctx, ISA_MIPS_R6); 14666 check_mips_64(ctx); 14667 if (rs != 0) { 14668 tcg_gen_addi_tl(cpu_gpr[rs], cpu_gpr[rs], (int64_t)imm << 48); 14669 } 14670 break; 14671 #endif 14672 default: /* Invalid */ 14673 MIPS_INVAL("regimm"); 14674 gen_reserved_instruction(ctx); 14675 break; 14676 } 14677 break; 14678 case OPC_CP0: 14679 check_cp0_enabled(ctx); 14680 op1 = MASK_CP0(ctx->opcode); 14681 switch (op1) { 14682 case OPC_MFC0: 14683 case OPC_MTC0: 14684 case OPC_MFTR: 14685 case OPC_MTTR: 14686 case OPC_MFHC0: 14687 case OPC_MTHC0: 14688 #if defined(TARGET_MIPS64) 14689 case OPC_DMFC0: 14690 case OPC_DMTC0: 14691 #endif 14692 #ifndef CONFIG_USER_ONLY 14693 gen_cp0(env, ctx, op1, rt, rd); 14694 #endif /* !CONFIG_USER_ONLY */ 14695 break; 14696 case OPC_C0: 14697 case OPC_C0_1: 14698 case OPC_C0_2: 14699 case OPC_C0_3: 14700 case OPC_C0_4: 14701 case OPC_C0_5: 14702 case OPC_C0_6: 14703 case OPC_C0_7: 14704 case OPC_C0_8: 14705 case OPC_C0_9: 14706 case OPC_C0_A: 14707 case OPC_C0_B: 14708 case OPC_C0_C: 14709 case OPC_C0_D: 14710 case OPC_C0_E: 14711 case OPC_C0_F: 14712 #ifndef CONFIG_USER_ONLY 14713 gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd); 14714 #endif /* !CONFIG_USER_ONLY */ 14715 break; 14716 case OPC_MFMC0: 14717 #ifndef CONFIG_USER_ONLY 14718 { 14719 uint32_t op2; 14720 TCGv t0 = tcg_temp_new(); 14721 14722 op2 = MASK_MFMC0(ctx->opcode); 14723 switch (op2) { 14724 case OPC_DMT: 14725 check_cp0_mt(ctx); 14726 gen_helper_dmt(t0); 14727 gen_store_gpr(t0, rt); 14728 break; 14729 case OPC_EMT: 14730 check_cp0_mt(ctx); 14731 gen_helper_emt(t0); 14732 gen_store_gpr(t0, rt); 14733 break; 14734 case OPC_DVPE: 14735 check_cp0_mt(ctx); 14736 gen_helper_dvpe(t0, tcg_env); 14737 gen_store_gpr(t0, rt); 14738 break; 14739 case OPC_EVPE: 14740 check_cp0_mt(ctx); 14741 gen_helper_evpe(t0, tcg_env); 14742 gen_store_gpr(t0, rt); 14743 break; 14744 case OPC_DVP: 14745 check_insn(ctx, ISA_MIPS_R6); 14746 if (ctx->vp) { 14747 gen_helper_dvp(t0, tcg_env); 14748 gen_store_gpr(t0, rt); 14749 } 14750 break; 14751 case OPC_EVP: 14752 check_insn(ctx, ISA_MIPS_R6); 14753 if (ctx->vp) { 14754 gen_helper_evp(t0, tcg_env); 14755 gen_store_gpr(t0, rt); 14756 } 14757 break; 14758 case OPC_DI: 14759 check_insn(ctx, ISA_MIPS_R2); 14760 save_cpu_state(ctx, 1); 14761 gen_helper_di(t0, tcg_env); 14762 gen_store_gpr(t0, rt); 14763 /* 14764 * Stop translation as we may have switched 14765 * the execution mode. 14766 */ 14767 ctx->base.is_jmp = DISAS_STOP; 14768 break; 14769 case OPC_EI: 14770 check_insn(ctx, ISA_MIPS_R2); 14771 save_cpu_state(ctx, 1); 14772 gen_helper_ei(t0, tcg_env); 14773 gen_store_gpr(t0, rt); 14774 /* 14775 * DISAS_STOP isn't sufficient, we need to ensure we break 14776 * out of translated code to check for pending interrupts. 14777 */ 14778 gen_save_pc(ctx->base.pc_next + 4); 14779 ctx->base.is_jmp = DISAS_EXIT; 14780 break; 14781 default: /* Invalid */ 14782 MIPS_INVAL("mfmc0"); 14783 gen_reserved_instruction(ctx); 14784 break; 14785 } 14786 } 14787 #endif /* !CONFIG_USER_ONLY */ 14788 break; 14789 case OPC_RDPGPR: 14790 check_insn(ctx, ISA_MIPS_R2); 14791 gen_load_srsgpr(rt, rd); 14792 break; 14793 case OPC_WRPGPR: 14794 check_insn(ctx, ISA_MIPS_R2); 14795 gen_store_srsgpr(rt, rd); 14796 break; 14797 default: 14798 MIPS_INVAL("cp0"); 14799 gen_reserved_instruction(ctx); 14800 break; 14801 } 14802 break; 14803 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC, OPC_ADDI */ 14804 if (ctx->insn_flags & ISA_MIPS_R6) { 14805 /* OPC_BOVC, OPC_BEQZALC, OPC_BEQC */ 14806 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 14807 } else { 14808 /* OPC_ADDI */ 14809 /* Arithmetic with immediate opcode */ 14810 gen_arith_imm(ctx, op, rt, rs, imm); 14811 } 14812 break; 14813 case OPC_ADDIU: 14814 gen_arith_imm(ctx, op, rt, rs, imm); 14815 break; 14816 case OPC_SLTI: /* Set on less than with immediate opcode */ 14817 case OPC_SLTIU: 14818 gen_slt_imm(ctx, op, rt, rs, imm); 14819 break; 14820 case OPC_ANDI: /* Arithmetic with immediate opcode */ 14821 case OPC_LUI: /* OPC_AUI */ 14822 case OPC_ORI: 14823 case OPC_XORI: 14824 gen_logic_imm(ctx, op, rt, rs, imm); 14825 break; 14826 case OPC_J: /* Jump */ 14827 case OPC_JAL: 14828 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; 14829 gen_compute_branch(ctx, op, 4, rs, rt, offset, 4); 14830 break; 14831 /* Branch */ 14832 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC, OPC_BLEZL */ 14833 if (ctx->insn_flags & ISA_MIPS_R6) { 14834 if (rt == 0) { 14835 gen_reserved_instruction(ctx); 14836 break; 14837 } 14838 /* OPC_BLEZC, OPC_BGEZC, OPC_BGEC */ 14839 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 14840 } else { 14841 /* OPC_BLEZL */ 14842 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 14843 } 14844 break; 14845 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC, OPC_BGTZL */ 14846 if (ctx->insn_flags & ISA_MIPS_R6) { 14847 if (rt == 0) { 14848 gen_reserved_instruction(ctx); 14849 break; 14850 } 14851 /* OPC_BGTZC, OPC_BLTZC, OPC_BLTC */ 14852 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 14853 } else { 14854 /* OPC_BGTZL */ 14855 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 14856 } 14857 break; 14858 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC, OPC_BLEZ */ 14859 if (rt == 0) { 14860 /* OPC_BLEZ */ 14861 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 14862 } else { 14863 check_insn(ctx, ISA_MIPS_R6); 14864 /* OPC_BLEZALC, OPC_BGEZALC, OPC_BGEUC */ 14865 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 14866 } 14867 break; 14868 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC, OPC_BGTZ */ 14869 if (rt == 0) { 14870 /* OPC_BGTZ */ 14871 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 14872 } else { 14873 check_insn(ctx, ISA_MIPS_R6); 14874 /* OPC_BGTZALC, OPC_BLTZALC, OPC_BLTUC */ 14875 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 14876 } 14877 break; 14878 case OPC_BEQL: 14879 case OPC_BNEL: 14880 check_insn(ctx, ISA_MIPS2); 14881 check_insn_opc_removed(ctx, ISA_MIPS_R6); 14882 /* Fallthrough */ 14883 case OPC_BEQ: 14884 case OPC_BNE: 14885 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 14886 break; 14887 case OPC_LL: /* Load and stores */ 14888 check_insn(ctx, ISA_MIPS2); 14889 if (ctx->insn_flags & INSN_R5900) { 14890 check_insn_opc_user_only(ctx, INSN_R5900); 14891 } 14892 /* Fallthrough */ 14893 case OPC_LWL: 14894 case OPC_LWR: 14895 case OPC_LB: 14896 case OPC_LH: 14897 case OPC_LW: 14898 case OPC_LWPC: 14899 case OPC_LBU: 14900 case OPC_LHU: 14901 gen_ld(ctx, op, rt, rs, imm); 14902 break; 14903 case OPC_SWL: 14904 case OPC_SWR: 14905 case OPC_SB: 14906 case OPC_SH: 14907 case OPC_SW: 14908 gen_st(ctx, op, rt, rs, imm); 14909 break; 14910 case OPC_SC: 14911 check_insn(ctx, ISA_MIPS2); 14912 if (ctx->insn_flags & INSN_R5900) { 14913 check_insn_opc_user_only(ctx, INSN_R5900); 14914 } 14915 gen_st_cond(ctx, rt, rs, imm, MO_TESL, false); 14916 break; 14917 case OPC_CACHE: 14918 check_cp0_enabled(ctx); 14919 check_insn(ctx, ISA_MIPS3 | ISA_MIPS_R1); 14920 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) { 14921 gen_cache_operation(ctx, rt, rs, imm); 14922 } 14923 /* Treat as NOP. */ 14924 break; 14925 case OPC_PREF: 14926 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1 | INSN_R5900); 14927 /* Treat as NOP. */ 14928 break; 14929 14930 /* Floating point (COP1). */ 14931 case OPC_LWC1: 14932 case OPC_LDC1: 14933 case OPC_SWC1: 14934 case OPC_SDC1: 14935 gen_cop1_ldst(ctx, op, rt, rs, imm); 14936 break; 14937 14938 case OPC_CP1: 14939 op1 = MASK_CP1(ctx->opcode); 14940 14941 switch (op1) { 14942 case OPC_MFHC1: 14943 case OPC_MTHC1: 14944 check_cp1_enabled(ctx); 14945 check_insn(ctx, ISA_MIPS_R2); 14946 /* fall through */ 14947 case OPC_MFC1: 14948 case OPC_CFC1: 14949 case OPC_MTC1: 14950 case OPC_CTC1: 14951 check_cp1_enabled(ctx); 14952 gen_cp1(ctx, op1, rt, rd); 14953 break; 14954 #if defined(TARGET_MIPS64) 14955 case OPC_DMFC1: 14956 case OPC_DMTC1: 14957 check_cp1_enabled(ctx); 14958 check_insn(ctx, ISA_MIPS3); 14959 check_mips_64(ctx); 14960 gen_cp1(ctx, op1, rt, rd); 14961 break; 14962 #endif 14963 case OPC_BC1EQZ: /* OPC_BC1ANY2 */ 14964 check_cp1_enabled(ctx); 14965 if (ctx->insn_flags & ISA_MIPS_R6) { 14966 /* OPC_BC1EQZ */ 14967 gen_compute_branch1_r6(ctx, MASK_CP1(ctx->opcode), 14968 rt, imm << 2, 4); 14969 } else { 14970 /* OPC_BC1ANY2 */ 14971 check_cop1x(ctx); 14972 check_insn(ctx, ASE_MIPS3D); 14973 gen_compute_branch1(ctx, MASK_BC1(ctx->opcode), 14974 (rt >> 2) & 0x7, imm << 2); 14975 } 14976 break; 14977 case OPC_BC1NEZ: 14978 check_cp1_enabled(ctx); 14979 check_insn(ctx, ISA_MIPS_R6); 14980 gen_compute_branch1_r6(ctx, MASK_CP1(ctx->opcode), 14981 rt, imm << 2, 4); 14982 break; 14983 case OPC_BC1ANY4: 14984 check_cp1_enabled(ctx); 14985 check_insn_opc_removed(ctx, ISA_MIPS_R6); 14986 check_cop1x(ctx); 14987 check_insn(ctx, ASE_MIPS3D); 14988 /* fall through */ 14989 case OPC_BC1: 14990 check_cp1_enabled(ctx); 14991 check_insn_opc_removed(ctx, ISA_MIPS_R6); 14992 gen_compute_branch1(ctx, MASK_BC1(ctx->opcode), 14993 (rt >> 2) & 0x7, imm << 2); 14994 break; 14995 case OPC_PS_FMT: 14996 check_ps(ctx); 14997 /* fall through */ 14998 case OPC_S_FMT: 14999 case OPC_D_FMT: 15000 check_cp1_enabled(ctx); 15001 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa, 15002 (imm >> 8) & 0x7); 15003 break; 15004 case OPC_W_FMT: 15005 case OPC_L_FMT: 15006 { 15007 int r6_op = ctx->opcode & FOP(0x3f, 0x1f); 15008 check_cp1_enabled(ctx); 15009 if (ctx->insn_flags & ISA_MIPS_R6) { 15010 switch (r6_op) { 15011 case R6_OPC_CMP_AF_S: 15012 case R6_OPC_CMP_UN_S: 15013 case R6_OPC_CMP_EQ_S: 15014 case R6_OPC_CMP_UEQ_S: 15015 case R6_OPC_CMP_LT_S: 15016 case R6_OPC_CMP_ULT_S: 15017 case R6_OPC_CMP_LE_S: 15018 case R6_OPC_CMP_ULE_S: 15019 case R6_OPC_CMP_SAF_S: 15020 case R6_OPC_CMP_SUN_S: 15021 case R6_OPC_CMP_SEQ_S: 15022 case R6_OPC_CMP_SEUQ_S: 15023 case R6_OPC_CMP_SLT_S: 15024 case R6_OPC_CMP_SULT_S: 15025 case R6_OPC_CMP_SLE_S: 15026 case R6_OPC_CMP_SULE_S: 15027 case R6_OPC_CMP_OR_S: 15028 case R6_OPC_CMP_UNE_S: 15029 case R6_OPC_CMP_NE_S: 15030 case R6_OPC_CMP_SOR_S: 15031 case R6_OPC_CMP_SUNE_S: 15032 case R6_OPC_CMP_SNE_S: 15033 gen_r6_cmp_s(ctx, ctx->opcode & 0x1f, rt, rd, sa); 15034 break; 15035 case R6_OPC_CMP_AF_D: 15036 case R6_OPC_CMP_UN_D: 15037 case R6_OPC_CMP_EQ_D: 15038 case R6_OPC_CMP_UEQ_D: 15039 case R6_OPC_CMP_LT_D: 15040 case R6_OPC_CMP_ULT_D: 15041 case R6_OPC_CMP_LE_D: 15042 case R6_OPC_CMP_ULE_D: 15043 case R6_OPC_CMP_SAF_D: 15044 case R6_OPC_CMP_SUN_D: 15045 case R6_OPC_CMP_SEQ_D: 15046 case R6_OPC_CMP_SEUQ_D: 15047 case R6_OPC_CMP_SLT_D: 15048 case R6_OPC_CMP_SULT_D: 15049 case R6_OPC_CMP_SLE_D: 15050 case R6_OPC_CMP_SULE_D: 15051 case R6_OPC_CMP_OR_D: 15052 case R6_OPC_CMP_UNE_D: 15053 case R6_OPC_CMP_NE_D: 15054 case R6_OPC_CMP_SOR_D: 15055 case R6_OPC_CMP_SUNE_D: 15056 case R6_OPC_CMP_SNE_D: 15057 gen_r6_cmp_d(ctx, ctx->opcode & 0x1f, rt, rd, sa); 15058 break; 15059 default: 15060 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), 15061 rt, rd, sa, (imm >> 8) & 0x7); 15062 15063 break; 15064 } 15065 } else { 15066 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa, 15067 (imm >> 8) & 0x7); 15068 } 15069 break; 15070 } 15071 default: 15072 MIPS_INVAL("cp1"); 15073 gen_reserved_instruction(ctx); 15074 break; 15075 } 15076 break; 15077 15078 /* Compact branches [R6] and COP2 [non-R6] */ 15079 case OPC_BC: /* OPC_LWC2 */ 15080 case OPC_BALC: /* OPC_SWC2 */ 15081 if (ctx->insn_flags & ISA_MIPS_R6) { 15082 /* OPC_BC, OPC_BALC */ 15083 gen_compute_compact_branch(ctx, op, 0, 0, 15084 sextract32(ctx->opcode << 2, 0, 28)); 15085 } else if (ctx->insn_flags & ASE_LEXT) { 15086 gen_loongson_lswc2(ctx, rt, rs, rd); 15087 } else { 15088 /* OPC_LWC2, OPC_SWC2 */ 15089 /* COP2: Not implemented. */ 15090 generate_exception_err(ctx, EXCP_CpU, 2); 15091 } 15092 break; 15093 case OPC_BEQZC: /* OPC_JIC, OPC_LDC2 */ 15094 case OPC_BNEZC: /* OPC_JIALC, OPC_SDC2 */ 15095 if (ctx->insn_flags & ISA_MIPS_R6) { 15096 if (rs != 0) { 15097 /* OPC_BEQZC, OPC_BNEZC */ 15098 gen_compute_compact_branch(ctx, op, rs, 0, 15099 sextract32(ctx->opcode << 2, 0, 23)); 15100 } else { 15101 /* OPC_JIC, OPC_JIALC */ 15102 gen_compute_compact_branch(ctx, op, 0, rt, imm); 15103 } 15104 } else if (ctx->insn_flags & ASE_LEXT) { 15105 gen_loongson_lsdc2(ctx, rt, rs, rd); 15106 } else { 15107 /* OPC_LWC2, OPC_SWC2 */ 15108 /* COP2: Not implemented. */ 15109 generate_exception_err(ctx, EXCP_CpU, 2); 15110 } 15111 break; 15112 case OPC_CP2: 15113 check_insn(ctx, ASE_LMMI); 15114 /* Note that these instructions use different fields. */ 15115 gen_loongson_multimedia(ctx, sa, rd, rt); 15116 break; 15117 15118 case OPC_CP3: 15119 if (ctx->CP0_Config1 & (1 << CP0C1_FP)) { 15120 check_cp1_enabled(ctx); 15121 op1 = MASK_CP3(ctx->opcode); 15122 switch (op1) { 15123 case OPC_LUXC1: 15124 case OPC_SUXC1: 15125 check_insn(ctx, ISA_MIPS5 | ISA_MIPS_R2); 15126 /* Fallthrough */ 15127 case OPC_LWXC1: 15128 case OPC_LDXC1: 15129 case OPC_SWXC1: 15130 case OPC_SDXC1: 15131 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2); 15132 gen_flt3_ldst(ctx, op1, sa, rd, rs, rt); 15133 break; 15134 case OPC_PREFX: 15135 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2); 15136 /* Treat as NOP. */ 15137 break; 15138 case OPC_ALNV_PS: 15139 check_insn(ctx, ISA_MIPS5 | ISA_MIPS_R2); 15140 /* Fallthrough */ 15141 case OPC_MADD_S: 15142 case OPC_MADD_D: 15143 case OPC_MADD_PS: 15144 case OPC_MSUB_S: 15145 case OPC_MSUB_D: 15146 case OPC_MSUB_PS: 15147 case OPC_NMADD_S: 15148 case OPC_NMADD_D: 15149 case OPC_NMADD_PS: 15150 case OPC_NMSUB_S: 15151 case OPC_NMSUB_D: 15152 case OPC_NMSUB_PS: 15153 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2); 15154 gen_flt3_arith(ctx, op1, sa, rs, rd, rt); 15155 break; 15156 default: 15157 MIPS_INVAL("cp3"); 15158 gen_reserved_instruction(ctx); 15159 break; 15160 } 15161 } else { 15162 generate_exception_err(ctx, EXCP_CpU, 1); 15163 } 15164 break; 15165 15166 #if defined(TARGET_MIPS64) 15167 /* MIPS64 opcodes */ 15168 case OPC_LLD: 15169 if (ctx->insn_flags & INSN_R5900) { 15170 check_insn_opc_user_only(ctx, INSN_R5900); 15171 } 15172 /* fall through */ 15173 case OPC_LDL: 15174 case OPC_LDR: 15175 case OPC_LWU: 15176 case OPC_LD: 15177 check_insn(ctx, ISA_MIPS3); 15178 check_mips_64(ctx); 15179 gen_ld(ctx, op, rt, rs, imm); 15180 break; 15181 case OPC_SDL: 15182 case OPC_SDR: 15183 case OPC_SD: 15184 check_insn(ctx, ISA_MIPS3); 15185 check_mips_64(ctx); 15186 gen_st(ctx, op, rt, rs, imm); 15187 break; 15188 case OPC_SCD: 15189 check_insn(ctx, ISA_MIPS3); 15190 if (ctx->insn_flags & INSN_R5900) { 15191 check_insn_opc_user_only(ctx, INSN_R5900); 15192 } 15193 check_mips_64(ctx); 15194 gen_st_cond(ctx, rt, rs, imm, MO_TEUQ, false); 15195 break; 15196 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC, OPC_DADDI */ 15197 if (ctx->insn_flags & ISA_MIPS_R6) { 15198 /* OPC_BNVC, OPC_BNEZALC, OPC_BNEC */ 15199 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 15200 } else { 15201 /* OPC_DADDI */ 15202 check_insn(ctx, ISA_MIPS3); 15203 check_mips_64(ctx); 15204 gen_arith_imm(ctx, op, rt, rs, imm); 15205 } 15206 break; 15207 case OPC_DADDIU: 15208 check_insn(ctx, ISA_MIPS3); 15209 check_mips_64(ctx); 15210 gen_arith_imm(ctx, op, rt, rs, imm); 15211 break; 15212 #else 15213 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */ 15214 if (ctx->insn_flags & ISA_MIPS_R6) { 15215 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 15216 } else { 15217 MIPS_INVAL("major opcode"); 15218 gen_reserved_instruction(ctx); 15219 } 15220 break; 15221 #endif 15222 case OPC_DAUI: /* OPC_JALX */ 15223 if (ctx->insn_flags & ISA_MIPS_R6) { 15224 #if defined(TARGET_MIPS64) 15225 /* OPC_DAUI */ 15226 check_mips_64(ctx); 15227 if (rs == 0) { 15228 generate_exception(ctx, EXCP_RI); 15229 } else if (rt != 0) { 15230 TCGv t0 = tcg_temp_new(); 15231 gen_load_gpr(t0, rs); 15232 tcg_gen_addi_tl(cpu_gpr[rt], t0, imm << 16); 15233 } 15234 #else 15235 gen_reserved_instruction(ctx); 15236 MIPS_INVAL("major opcode"); 15237 #endif 15238 } else { 15239 /* OPC_JALX */ 15240 check_insn(ctx, ASE_MIPS16 | ASE_MICROMIPS); 15241 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; 15242 gen_compute_branch(ctx, op, 4, rs, rt, offset, 4); 15243 } 15244 break; 15245 case OPC_MDMX: 15246 /* MDMX: Not implemented. */ 15247 break; 15248 case OPC_PCREL: 15249 check_insn(ctx, ISA_MIPS_R6); 15250 gen_pcrel(ctx, ctx->opcode, ctx->base.pc_next, rs); 15251 break; 15252 default: /* Invalid */ 15253 MIPS_INVAL("major opcode"); 15254 return false; 15255 } 15256 return true; 15257 } 15258 15259 static void decode_opc(CPUMIPSState *env, DisasContext *ctx) 15260 { 15261 /* make sure instructions are on a word boundary */ 15262 if (ctx->base.pc_next & 0x3) { 15263 env->CP0_BadVAddr = ctx->base.pc_next; 15264 generate_exception_err(ctx, EXCP_AdEL, EXCP_INST_NOTAVAIL); 15265 return; 15266 } 15267 15268 /* Handle blikely not taken case */ 15269 if ((ctx->hflags & MIPS_HFLAG_BMASK_BASE) == MIPS_HFLAG_BL) { 15270 TCGLabel *l1 = gen_new_label(); 15271 15272 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1); 15273 tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK); 15274 gen_goto_tb(ctx, 1, ctx->base.pc_next + 4); 15275 gen_set_label(l1); 15276 } 15277 15278 /* Transition to the auto-generated decoder. */ 15279 15280 /* Vendor specific extensions */ 15281 if (cpu_supports_isa(env, INSN_R5900) && decode_ext_txx9(ctx, ctx->opcode)) { 15282 return; 15283 } 15284 if (cpu_supports_isa(env, INSN_VR54XX) && decode_ext_vr54xx(ctx, ctx->opcode)) { 15285 return; 15286 } 15287 #if defined(TARGET_MIPS64) 15288 if (ase_lcsr_available(env) && decode_ase_lcsr(ctx, ctx->opcode)) { 15289 return; 15290 } 15291 if (cpu_supports_isa(env, INSN_OCTEON) && decode_ext_octeon(ctx, ctx->opcode)) { 15292 return; 15293 } 15294 #endif 15295 15296 /* ISA extensions */ 15297 if (ase_msa_available(env) && decode_ase_msa(ctx, ctx->opcode)) { 15298 return; 15299 } 15300 15301 /* ISA (from latest to oldest) */ 15302 if (cpu_supports_isa(env, ISA_MIPS_R6) && decode_isa_rel6(ctx, ctx->opcode)) { 15303 return; 15304 } 15305 15306 if (decode_opc_legacy(env, ctx)) { 15307 return; 15308 } 15309 15310 gen_reserved_instruction(ctx); 15311 } 15312 15313 static void mips_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) 15314 { 15315 DisasContext *ctx = container_of(dcbase, DisasContext, base); 15316 CPUMIPSState *env = cpu_env(cs); 15317 15318 ctx->page_start = ctx->base.pc_first & TARGET_PAGE_MASK; 15319 ctx->saved_pc = -1; 15320 ctx->insn_flags = env->insn_flags; 15321 ctx->CP0_Config0 = env->CP0_Config0; 15322 ctx->CP0_Config1 = env->CP0_Config1; 15323 ctx->CP0_Config2 = env->CP0_Config2; 15324 ctx->CP0_Config3 = env->CP0_Config3; 15325 ctx->CP0_Config5 = env->CP0_Config5; 15326 ctx->btarget = 0; 15327 ctx->kscrexist = (env->CP0_Config4 >> CP0C4_KScrExist) & 0xff; 15328 ctx->rxi = (env->CP0_Config3 >> CP0C3_RXI) & 1; 15329 ctx->ie = (env->CP0_Config4 >> CP0C4_IE) & 3; 15330 ctx->bi = (env->CP0_Config3 >> CP0C3_BI) & 1; 15331 ctx->bp = (env->CP0_Config3 >> CP0C3_BP) & 1; 15332 ctx->PAMask = env->PAMask; 15333 ctx->mvh = (env->CP0_Config5 >> CP0C5_MVH) & 1; 15334 ctx->eva = (env->CP0_Config5 >> CP0C5_EVA) & 1; 15335 ctx->sc = (env->CP0_Config3 >> CP0C3_SC) & 1; 15336 ctx->CP0_LLAddr_shift = env->CP0_LLAddr_shift; 15337 ctx->cmgcr = (env->CP0_Config3 >> CP0C3_CMGCR) & 1; 15338 /* Restore delay slot state from the tb context. */ 15339 ctx->hflags = (uint32_t)ctx->base.tb->flags; /* FIXME: maybe use 64 bits? */ 15340 ctx->ulri = (env->CP0_Config3 >> CP0C3_ULRI) & 1; 15341 ctx->ps = ((env->active_fpu.fcr0 >> FCR0_PS) & 1) || 15342 (env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F)); 15343 ctx->vp = (env->CP0_Config5 >> CP0C5_VP) & 1; 15344 ctx->mrp = (env->CP0_Config5 >> CP0C5_MRP) & 1; 15345 ctx->nan2008 = (env->active_fpu.fcr31 >> FCR31_NAN2008) & 1; 15346 ctx->abs2008 = (env->active_fpu.fcr31 >> FCR31_ABS2008) & 1; 15347 ctx->mi = (env->CP0_Config5 >> CP0C5_MI) & 1; 15348 ctx->gi = (env->CP0_Config5 >> CP0C5_GI) & 3; 15349 restore_cpu_state(env, ctx); 15350 #ifdef CONFIG_USER_ONLY 15351 ctx->mem_idx = MIPS_HFLAG_UM; 15352 #else 15353 ctx->mem_idx = hflags_mmu_index(ctx->hflags); 15354 #endif 15355 ctx->default_tcg_memop_mask = (!(ctx->insn_flags & ISA_NANOMIPS32) && 15356 (ctx->insn_flags & (ISA_MIPS_R6 | 15357 INSN_LOONGSON3A))) ? MO_UNALN : MO_ALIGN; 15358 15359 /* 15360 * Execute a branch and its delay slot as a single instruction. 15361 * This is what GDB expects and is consistent with what the 15362 * hardware does (e.g. if a delay slot instruction faults, the 15363 * reported PC is the PC of the branch). 15364 */ 15365 if ((tb_cflags(ctx->base.tb) & CF_SINGLE_STEP) && 15366 (ctx->hflags & MIPS_HFLAG_BMASK)) { 15367 ctx->base.max_insns = 2; 15368 } 15369 15370 LOG_DISAS("\ntb %p idx %d hflags %04x\n", ctx->base.tb, ctx->mem_idx, 15371 ctx->hflags); 15372 } 15373 15374 static void mips_tr_tb_start(DisasContextBase *dcbase, CPUState *cs) 15375 { 15376 } 15377 15378 static void mips_tr_insn_start(DisasContextBase *dcbase, CPUState *cs) 15379 { 15380 DisasContext *ctx = container_of(dcbase, DisasContext, base); 15381 15382 tcg_gen_insn_start(ctx->base.pc_next, ctx->hflags & MIPS_HFLAG_BMASK, 15383 ctx->btarget); 15384 } 15385 15386 static void mips_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) 15387 { 15388 CPUMIPSState *env = cpu_env(cs); 15389 DisasContext *ctx = container_of(dcbase, DisasContext, base); 15390 int insn_bytes; 15391 int is_slot; 15392 15393 is_slot = ctx->hflags & MIPS_HFLAG_BMASK; 15394 if (ctx->insn_flags & ISA_NANOMIPS32) { 15395 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next); 15396 insn_bytes = decode_isa_nanomips(env, ctx); 15397 } else if (!(ctx->hflags & MIPS_HFLAG_M16)) { 15398 ctx->opcode = translator_ldl(env, &ctx->base, ctx->base.pc_next); 15399 insn_bytes = 4; 15400 decode_opc(env, ctx); 15401 } else if (ctx->insn_flags & ASE_MICROMIPS) { 15402 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next); 15403 insn_bytes = decode_isa_micromips(env, ctx); 15404 } else if (ctx->insn_flags & ASE_MIPS16) { 15405 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next); 15406 insn_bytes = decode_ase_mips16e(env, ctx); 15407 } else { 15408 gen_reserved_instruction(ctx); 15409 g_assert(ctx->base.is_jmp == DISAS_NORETURN); 15410 return; 15411 } 15412 15413 if (ctx->hflags & MIPS_HFLAG_BMASK) { 15414 if (!(ctx->hflags & (MIPS_HFLAG_BDS16 | MIPS_HFLAG_BDS32 | 15415 MIPS_HFLAG_FBNSLOT))) { 15416 /* 15417 * Force to generate branch as there is neither delay nor 15418 * forbidden slot. 15419 */ 15420 is_slot = 1; 15421 } 15422 if ((ctx->hflags & MIPS_HFLAG_M16) && 15423 (ctx->hflags & MIPS_HFLAG_FBNSLOT)) { 15424 /* 15425 * Force to generate branch as microMIPS R6 doesn't restrict 15426 * branches in the forbidden slot. 15427 */ 15428 is_slot = 1; 15429 } 15430 } 15431 if (is_slot) { 15432 gen_branch(ctx, insn_bytes); 15433 } 15434 if (ctx->base.is_jmp == DISAS_SEMIHOST) { 15435 generate_exception_err(ctx, EXCP_SEMIHOST, insn_bytes); 15436 } 15437 ctx->base.pc_next += insn_bytes; 15438 15439 if (ctx->base.is_jmp != DISAS_NEXT) { 15440 return; 15441 } 15442 15443 /* 15444 * End the TB on (most) page crossings. 15445 * See mips_tr_init_disas_context about single-stepping a branch 15446 * together with its delay slot. 15447 */ 15448 if (ctx->base.pc_next - ctx->page_start >= TARGET_PAGE_SIZE 15449 && !(tb_cflags(ctx->base.tb) & CF_SINGLE_STEP)) { 15450 ctx->base.is_jmp = DISAS_TOO_MANY; 15451 } 15452 } 15453 15454 static void mips_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs) 15455 { 15456 DisasContext *ctx = container_of(dcbase, DisasContext, base); 15457 15458 switch (ctx->base.is_jmp) { 15459 case DISAS_STOP: 15460 gen_save_pc(ctx->base.pc_next); 15461 tcg_gen_lookup_and_goto_ptr(); 15462 break; 15463 case DISAS_NEXT: 15464 case DISAS_TOO_MANY: 15465 save_cpu_state(ctx, 0); 15466 gen_goto_tb(ctx, 0, ctx->base.pc_next); 15467 break; 15468 case DISAS_EXIT: 15469 tcg_gen_exit_tb(NULL, 0); 15470 break; 15471 case DISAS_NORETURN: 15472 break; 15473 default: 15474 g_assert_not_reached(); 15475 } 15476 } 15477 15478 static const TranslatorOps mips_tr_ops = { 15479 .init_disas_context = mips_tr_init_disas_context, 15480 .tb_start = mips_tr_tb_start, 15481 .insn_start = mips_tr_insn_start, 15482 .translate_insn = mips_tr_translate_insn, 15483 .tb_stop = mips_tr_tb_stop, 15484 }; 15485 15486 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int *max_insns, 15487 vaddr pc, void *host_pc) 15488 { 15489 DisasContext ctx; 15490 15491 translator_loop(cs, tb, max_insns, pc, host_pc, &mips_tr_ops, &ctx.base); 15492 } 15493 15494 void mips_tcg_init(void) 15495 { 15496 cpu_gpr[0] = NULL; 15497 for (unsigned i = 1; i < 32; i++) 15498 cpu_gpr[i] = tcg_global_mem_new(tcg_env, 15499 offsetof(CPUMIPSState, 15500 active_tc.gpr[i]), 15501 regnames[i]); 15502 #if defined(TARGET_MIPS64) 15503 cpu_gpr_hi[0] = NULL; 15504 15505 for (unsigned i = 1; i < 32; i++) { 15506 g_autofree char *rname = g_strdup_printf("%s[hi]", regnames[i]); 15507 15508 cpu_gpr_hi[i] = tcg_global_mem_new_i64(tcg_env, 15509 offsetof(CPUMIPSState, 15510 active_tc.gpr_hi[i]), 15511 rname); 15512 } 15513 #endif /* !TARGET_MIPS64 */ 15514 for (unsigned i = 0; i < 32; i++) { 15515 int off = offsetof(CPUMIPSState, active_fpu.fpr[i].wr.d[0]); 15516 15517 fpu_f64[i] = tcg_global_mem_new_i64(tcg_env, off, fregnames[i]); 15518 } 15519 msa_translate_init(); 15520 cpu_PC = tcg_global_mem_new(tcg_env, 15521 offsetof(CPUMIPSState, active_tc.PC), "PC"); 15522 for (unsigned i = 0; i < MIPS_DSP_ACC; i++) { 15523 cpu_HI[i] = tcg_global_mem_new(tcg_env, 15524 offsetof(CPUMIPSState, active_tc.HI[i]), 15525 regnames_HI[i]); 15526 cpu_LO[i] = tcg_global_mem_new(tcg_env, 15527 offsetof(CPUMIPSState, active_tc.LO[i]), 15528 regnames_LO[i]); 15529 } 15530 cpu_dspctrl = tcg_global_mem_new(tcg_env, 15531 offsetof(CPUMIPSState, 15532 active_tc.DSPControl), 15533 "DSPControl"); 15534 bcond = tcg_global_mem_new(tcg_env, 15535 offsetof(CPUMIPSState, bcond), "bcond"); 15536 btarget = tcg_global_mem_new(tcg_env, 15537 offsetof(CPUMIPSState, btarget), "btarget"); 15538 hflags = tcg_global_mem_new_i32(tcg_env, 15539 offsetof(CPUMIPSState, hflags), "hflags"); 15540 15541 fpu_fcr0 = tcg_global_mem_new_i32(tcg_env, 15542 offsetof(CPUMIPSState, active_fpu.fcr0), 15543 "fcr0"); 15544 fpu_fcr31 = tcg_global_mem_new_i32(tcg_env, 15545 offsetof(CPUMIPSState, active_fpu.fcr31), 15546 "fcr31"); 15547 cpu_lladdr = tcg_global_mem_new(tcg_env, offsetof(CPUMIPSState, lladdr), 15548 "lladdr"); 15549 cpu_llval = tcg_global_mem_new(tcg_env, offsetof(CPUMIPSState, llval), 15550 "llval"); 15551 15552 if (TARGET_LONG_BITS == 32) { 15553 mxu_translate_init(); 15554 } 15555 } 15556 15557 void mips_restore_state_to_opc(CPUState *cs, 15558 const TranslationBlock *tb, 15559 const uint64_t *data) 15560 { 15561 CPUMIPSState *env = cpu_env(cs); 15562 15563 env->active_tc.PC = data[0]; 15564 env->hflags &= ~MIPS_HFLAG_BMASK; 15565 env->hflags |= data[1]; 15566 switch (env->hflags & MIPS_HFLAG_BMASK_BASE) { 15567 case MIPS_HFLAG_BR: 15568 break; 15569 case MIPS_HFLAG_BC: 15570 case MIPS_HFLAG_BL: 15571 case MIPS_HFLAG_B: 15572 env->btarget = data[2]; 15573 break; 15574 } 15575 } 15576