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 "disas/disas.h" 33 #include "fpu_helper.h" 34 35 #define HELPER_H "helper.h" 36 #include "exec/helper-info.c.inc" 37 #undef HELPER_H 38 39 40 /* 41 * Many sysemu-only helpers are not reachable for user-only. 42 * Define stub generators here, so that we need not either sprinkle 43 * ifdefs through the translator, nor provide the helper function. 44 */ 45 #define STUB_HELPER(NAME, ...) \ 46 static inline void gen_helper_##NAME(__VA_ARGS__) \ 47 { g_assert_not_reached(); } 48 49 #ifdef CONFIG_USER_ONLY 50 STUB_HELPER(cache, TCGv_env env, TCGv val, TCGv_i32 reg) 51 #endif 52 53 enum { 54 /* indirect opcode tables */ 55 OPC_SPECIAL = (0x00 << 26), 56 OPC_REGIMM = (0x01 << 26), 57 OPC_CP0 = (0x10 << 26), 58 OPC_CP2 = (0x12 << 26), 59 OPC_CP3 = (0x13 << 26), 60 OPC_SPECIAL2 = (0x1C << 26), 61 OPC_SPECIAL3 = (0x1F << 26), 62 /* arithmetic with immediate */ 63 OPC_ADDI = (0x08 << 26), 64 OPC_ADDIU = (0x09 << 26), 65 OPC_SLTI = (0x0A << 26), 66 OPC_SLTIU = (0x0B << 26), 67 /* logic with immediate */ 68 OPC_ANDI = (0x0C << 26), 69 OPC_ORI = (0x0D << 26), 70 OPC_XORI = (0x0E << 26), 71 OPC_LUI = (0x0F << 26), 72 /* arithmetic with immediate */ 73 OPC_DADDI = (0x18 << 26), 74 OPC_DADDIU = (0x19 << 26), 75 /* Jump and branches */ 76 OPC_J = (0x02 << 26), 77 OPC_JAL = (0x03 << 26), 78 OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */ 79 OPC_BEQL = (0x14 << 26), 80 OPC_BNE = (0x05 << 26), 81 OPC_BNEL = (0x15 << 26), 82 OPC_BLEZ = (0x06 << 26), 83 OPC_BLEZL = (0x16 << 26), 84 OPC_BGTZ = (0x07 << 26), 85 OPC_BGTZL = (0x17 << 26), 86 OPC_JALX = (0x1D << 26), 87 OPC_DAUI = (0x1D << 26), 88 /* Load and stores */ 89 OPC_LDL = (0x1A << 26), 90 OPC_LDR = (0x1B << 26), 91 OPC_LB = (0x20 << 26), 92 OPC_LH = (0x21 << 26), 93 OPC_LWL = (0x22 << 26), 94 OPC_LW = (0x23 << 26), 95 OPC_LWPC = OPC_LW | 0x5, 96 OPC_LBU = (0x24 << 26), 97 OPC_LHU = (0x25 << 26), 98 OPC_LWR = (0x26 << 26), 99 OPC_LWU = (0x27 << 26), 100 OPC_SB = (0x28 << 26), 101 OPC_SH = (0x29 << 26), 102 OPC_SWL = (0x2A << 26), 103 OPC_SW = (0x2B << 26), 104 OPC_SDL = (0x2C << 26), 105 OPC_SDR = (0x2D << 26), 106 OPC_SWR = (0x2E << 26), 107 OPC_LL = (0x30 << 26), 108 OPC_LLD = (0x34 << 26), 109 OPC_LD = (0x37 << 26), 110 OPC_LDPC = OPC_LD | 0x5, 111 OPC_SC = (0x38 << 26), 112 OPC_SCD = (0x3C << 26), 113 OPC_SD = (0x3F << 26), 114 /* Floating point load/store */ 115 OPC_LWC1 = (0x31 << 26), 116 OPC_LWC2 = (0x32 << 26), 117 OPC_LDC1 = (0x35 << 26), 118 OPC_LDC2 = (0x36 << 26), 119 OPC_SWC1 = (0x39 << 26), 120 OPC_SWC2 = (0x3A << 26), 121 OPC_SDC1 = (0x3D << 26), 122 OPC_SDC2 = (0x3E << 26), 123 /* Compact Branches */ 124 OPC_BLEZALC = (0x06 << 26), 125 OPC_BGEZALC = (0x06 << 26), 126 OPC_BGEUC = (0x06 << 26), 127 OPC_BGTZALC = (0x07 << 26), 128 OPC_BLTZALC = (0x07 << 26), 129 OPC_BLTUC = (0x07 << 26), 130 OPC_BOVC = (0x08 << 26), 131 OPC_BEQZALC = (0x08 << 26), 132 OPC_BEQC = (0x08 << 26), 133 OPC_BLEZC = (0x16 << 26), 134 OPC_BGEZC = (0x16 << 26), 135 OPC_BGEC = (0x16 << 26), 136 OPC_BGTZC = (0x17 << 26), 137 OPC_BLTZC = (0x17 << 26), 138 OPC_BLTC = (0x17 << 26), 139 OPC_BNVC = (0x18 << 26), 140 OPC_BNEZALC = (0x18 << 26), 141 OPC_BNEC = (0x18 << 26), 142 OPC_BC = (0x32 << 26), 143 OPC_BEQZC = (0x36 << 26), 144 OPC_JIC = (0x36 << 26), 145 OPC_BALC = (0x3A << 26), 146 OPC_BNEZC = (0x3E << 26), 147 OPC_JIALC = (0x3E << 26), 148 /* MDMX ASE specific */ 149 OPC_MDMX = (0x1E << 26), 150 /* Cache and prefetch */ 151 OPC_CACHE = (0x2F << 26), 152 OPC_PREF = (0x33 << 26), 153 /* PC-relative address computation / loads */ 154 OPC_PCREL = (0x3B << 26), 155 }; 156 157 /* PC-relative address computation / loads */ 158 #define MASK_OPC_PCREL_TOP2BITS(op) (MASK_OP_MAJOR(op) | (op & (3 << 19))) 159 #define MASK_OPC_PCREL_TOP5BITS(op) (MASK_OP_MAJOR(op) | (op & (0x1f << 16))) 160 enum { 161 /* Instructions determined by bits 19 and 20 */ 162 OPC_ADDIUPC = OPC_PCREL | (0 << 19), 163 R6_OPC_LWPC = OPC_PCREL | (1 << 19), 164 OPC_LWUPC = OPC_PCREL | (2 << 19), 165 166 /* Instructions determined by bits 16 ... 20 */ 167 OPC_AUIPC = OPC_PCREL | (0x1e << 16), 168 OPC_ALUIPC = OPC_PCREL | (0x1f << 16), 169 170 /* Other */ 171 R6_OPC_LDPC = OPC_PCREL | (6 << 18), 172 }; 173 174 /* MIPS special opcodes */ 175 #define MASK_SPECIAL(op) (MASK_OP_MAJOR(op) | (op & 0x3F)) 176 177 enum { 178 /* Shifts */ 179 OPC_SLL = 0x00 | OPC_SPECIAL, 180 /* NOP is SLL r0, r0, 0 */ 181 /* SSNOP is SLL r0, r0, 1 */ 182 /* EHB is SLL r0, r0, 3 */ 183 OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */ 184 OPC_ROTR = OPC_SRL | (1 << 21), 185 OPC_SRA = 0x03 | OPC_SPECIAL, 186 OPC_SLLV = 0x04 | OPC_SPECIAL, 187 OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */ 188 OPC_ROTRV = OPC_SRLV | (1 << 6), 189 OPC_SRAV = 0x07 | OPC_SPECIAL, 190 OPC_DSLLV = 0x14 | OPC_SPECIAL, 191 OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */ 192 OPC_DROTRV = OPC_DSRLV | (1 << 6), 193 OPC_DSRAV = 0x17 | OPC_SPECIAL, 194 OPC_DSLL = 0x38 | OPC_SPECIAL, 195 OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */ 196 OPC_DROTR = OPC_DSRL | (1 << 21), 197 OPC_DSRA = 0x3B | OPC_SPECIAL, 198 OPC_DSLL32 = 0x3C | OPC_SPECIAL, 199 OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */ 200 OPC_DROTR32 = OPC_DSRL32 | (1 << 21), 201 OPC_DSRA32 = 0x3F | OPC_SPECIAL, 202 /* Multiplication / division */ 203 OPC_MULT = 0x18 | OPC_SPECIAL, 204 OPC_MULTU = 0x19 | OPC_SPECIAL, 205 OPC_DIV = 0x1A | OPC_SPECIAL, 206 OPC_DIVU = 0x1B | OPC_SPECIAL, 207 OPC_DMULT = 0x1C | OPC_SPECIAL, 208 OPC_DMULTU = 0x1D | OPC_SPECIAL, 209 OPC_DDIV = 0x1E | OPC_SPECIAL, 210 OPC_DDIVU = 0x1F | OPC_SPECIAL, 211 212 /* 2 registers arithmetic / logic */ 213 OPC_ADD = 0x20 | OPC_SPECIAL, 214 OPC_ADDU = 0x21 | OPC_SPECIAL, 215 OPC_SUB = 0x22 | OPC_SPECIAL, 216 OPC_SUBU = 0x23 | OPC_SPECIAL, 217 OPC_AND = 0x24 | OPC_SPECIAL, 218 OPC_OR = 0x25 | OPC_SPECIAL, 219 OPC_XOR = 0x26 | OPC_SPECIAL, 220 OPC_NOR = 0x27 | OPC_SPECIAL, 221 OPC_SLT = 0x2A | OPC_SPECIAL, 222 OPC_SLTU = 0x2B | OPC_SPECIAL, 223 OPC_DADD = 0x2C | OPC_SPECIAL, 224 OPC_DADDU = 0x2D | OPC_SPECIAL, 225 OPC_DSUB = 0x2E | OPC_SPECIAL, 226 OPC_DSUBU = 0x2F | OPC_SPECIAL, 227 /* Jumps */ 228 OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */ 229 OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */ 230 /* Traps */ 231 OPC_TGE = 0x30 | OPC_SPECIAL, 232 OPC_TGEU = 0x31 | OPC_SPECIAL, 233 OPC_TLT = 0x32 | OPC_SPECIAL, 234 OPC_TLTU = 0x33 | OPC_SPECIAL, 235 OPC_TEQ = 0x34 | OPC_SPECIAL, 236 OPC_TNE = 0x36 | OPC_SPECIAL, 237 /* HI / LO registers load & stores */ 238 OPC_MFHI = 0x10 | OPC_SPECIAL, 239 OPC_MTHI = 0x11 | OPC_SPECIAL, 240 OPC_MFLO = 0x12 | OPC_SPECIAL, 241 OPC_MTLO = 0x13 | OPC_SPECIAL, 242 /* Conditional moves */ 243 OPC_MOVZ = 0x0A | OPC_SPECIAL, 244 OPC_MOVN = 0x0B | OPC_SPECIAL, 245 246 OPC_SELEQZ = 0x35 | OPC_SPECIAL, 247 OPC_SELNEZ = 0x37 | OPC_SPECIAL, 248 249 OPC_MOVCI = 0x01 | OPC_SPECIAL, 250 251 /* Special */ 252 OPC_PMON = 0x05 | OPC_SPECIAL, /* unofficial */ 253 OPC_SYSCALL = 0x0C | OPC_SPECIAL, 254 OPC_BREAK = 0x0D | OPC_SPECIAL, 255 OPC_SPIM = 0x0E | OPC_SPECIAL, /* unofficial */ 256 OPC_SYNC = 0x0F | OPC_SPECIAL, 257 258 OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL, 259 OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL, 260 OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL, 261 OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL, 262 }; 263 264 /* 265 * R6 Multiply and Divide instructions have the same opcode 266 * and function field as legacy OPC_MULT[U]/OPC_DIV[U] 267 */ 268 #define MASK_R6_MULDIV(op) (MASK_SPECIAL(op) | (op & (0x7ff))) 269 270 enum { 271 R6_OPC_MUL = OPC_MULT | (2 << 6), 272 R6_OPC_MUH = OPC_MULT | (3 << 6), 273 R6_OPC_MULU = OPC_MULTU | (2 << 6), 274 R6_OPC_MUHU = OPC_MULTU | (3 << 6), 275 R6_OPC_DIV = OPC_DIV | (2 << 6), 276 R6_OPC_MOD = OPC_DIV | (3 << 6), 277 R6_OPC_DIVU = OPC_DIVU | (2 << 6), 278 R6_OPC_MODU = OPC_DIVU | (3 << 6), 279 280 R6_OPC_DMUL = OPC_DMULT | (2 << 6), 281 R6_OPC_DMUH = OPC_DMULT | (3 << 6), 282 R6_OPC_DMULU = OPC_DMULTU | (2 << 6), 283 R6_OPC_DMUHU = OPC_DMULTU | (3 << 6), 284 R6_OPC_DDIV = OPC_DDIV | (2 << 6), 285 R6_OPC_DMOD = OPC_DDIV | (3 << 6), 286 R6_OPC_DDIVU = OPC_DDIVU | (2 << 6), 287 R6_OPC_DMODU = OPC_DDIVU | (3 << 6), 288 289 R6_OPC_CLZ = 0x10 | OPC_SPECIAL, 290 R6_OPC_CLO = 0x11 | OPC_SPECIAL, 291 R6_OPC_DCLZ = 0x12 | OPC_SPECIAL, 292 R6_OPC_DCLO = 0x13 | OPC_SPECIAL, 293 R6_OPC_SDBBP = 0x0e | OPC_SPECIAL, 294 }; 295 296 /* REGIMM (rt field) opcodes */ 297 #define MASK_REGIMM(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 16))) 298 299 enum { 300 OPC_BLTZ = (0x00 << 16) | OPC_REGIMM, 301 OPC_BLTZL = (0x02 << 16) | OPC_REGIMM, 302 OPC_BGEZ = (0x01 << 16) | OPC_REGIMM, 303 OPC_BGEZL = (0x03 << 16) | OPC_REGIMM, 304 OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM, 305 OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM, 306 OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM, 307 OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM, 308 OPC_TGEI = (0x08 << 16) | OPC_REGIMM, 309 OPC_TGEIU = (0x09 << 16) | OPC_REGIMM, 310 OPC_TLTI = (0x0A << 16) | OPC_REGIMM, 311 OPC_TLTIU = (0x0B << 16) | OPC_REGIMM, 312 OPC_TEQI = (0x0C << 16) | OPC_REGIMM, 313 OPC_TNEI = (0x0E << 16) | OPC_REGIMM, 314 OPC_SIGRIE = (0x17 << 16) | OPC_REGIMM, 315 OPC_SYNCI = (0x1F << 16) | OPC_REGIMM, 316 317 OPC_DAHI = (0x06 << 16) | OPC_REGIMM, 318 OPC_DATI = (0x1e << 16) | OPC_REGIMM, 319 }; 320 321 /* Special2 opcodes */ 322 #define MASK_SPECIAL2(op) (MASK_OP_MAJOR(op) | (op & 0x3F)) 323 324 enum { 325 /* Multiply & xxx operations */ 326 OPC_MADD = 0x00 | OPC_SPECIAL2, 327 OPC_MADDU = 0x01 | OPC_SPECIAL2, 328 OPC_MUL = 0x02 | OPC_SPECIAL2, 329 OPC_MSUB = 0x04 | OPC_SPECIAL2, 330 OPC_MSUBU = 0x05 | OPC_SPECIAL2, 331 /* Loongson 2F */ 332 OPC_MULT_G_2F = 0x10 | OPC_SPECIAL2, 333 OPC_DMULT_G_2F = 0x11 | OPC_SPECIAL2, 334 OPC_MULTU_G_2F = 0x12 | OPC_SPECIAL2, 335 OPC_DMULTU_G_2F = 0x13 | OPC_SPECIAL2, 336 OPC_DIV_G_2F = 0x14 | OPC_SPECIAL2, 337 OPC_DDIV_G_2F = 0x15 | OPC_SPECIAL2, 338 OPC_DIVU_G_2F = 0x16 | OPC_SPECIAL2, 339 OPC_DDIVU_G_2F = 0x17 | OPC_SPECIAL2, 340 OPC_MOD_G_2F = 0x1c | OPC_SPECIAL2, 341 OPC_DMOD_G_2F = 0x1d | OPC_SPECIAL2, 342 OPC_MODU_G_2F = 0x1e | OPC_SPECIAL2, 343 OPC_DMODU_G_2F = 0x1f | OPC_SPECIAL2, 344 /* Misc */ 345 OPC_CLZ = 0x20 | OPC_SPECIAL2, 346 OPC_CLO = 0x21 | OPC_SPECIAL2, 347 OPC_DCLZ = 0x24 | OPC_SPECIAL2, 348 OPC_DCLO = 0x25 | OPC_SPECIAL2, 349 /* Special */ 350 OPC_SDBBP = 0x3F | OPC_SPECIAL2, 351 }; 352 353 /* Special3 opcodes */ 354 #define MASK_SPECIAL3(op) (MASK_OP_MAJOR(op) | (op & 0x3F)) 355 356 enum { 357 OPC_EXT = 0x00 | OPC_SPECIAL3, 358 OPC_DEXTM = 0x01 | OPC_SPECIAL3, 359 OPC_DEXTU = 0x02 | OPC_SPECIAL3, 360 OPC_DEXT = 0x03 | OPC_SPECIAL3, 361 OPC_INS = 0x04 | OPC_SPECIAL3, 362 OPC_DINSM = 0x05 | OPC_SPECIAL3, 363 OPC_DINSU = 0x06 | OPC_SPECIAL3, 364 OPC_DINS = 0x07 | OPC_SPECIAL3, 365 OPC_FORK = 0x08 | OPC_SPECIAL3, 366 OPC_YIELD = 0x09 | OPC_SPECIAL3, 367 OPC_BSHFL = 0x20 | OPC_SPECIAL3, 368 OPC_DBSHFL = 0x24 | OPC_SPECIAL3, 369 OPC_RDHWR = 0x3B | OPC_SPECIAL3, 370 OPC_GINV = 0x3D | OPC_SPECIAL3, 371 372 /* Loongson 2E */ 373 OPC_MULT_G_2E = 0x18 | OPC_SPECIAL3, 374 OPC_MULTU_G_2E = 0x19 | OPC_SPECIAL3, 375 OPC_DIV_G_2E = 0x1A | OPC_SPECIAL3, 376 OPC_DIVU_G_2E = 0x1B | OPC_SPECIAL3, 377 OPC_DMULT_G_2E = 0x1C | OPC_SPECIAL3, 378 OPC_DMULTU_G_2E = 0x1D | OPC_SPECIAL3, 379 OPC_DDIV_G_2E = 0x1E | OPC_SPECIAL3, 380 OPC_DDIVU_G_2E = 0x1F | OPC_SPECIAL3, 381 OPC_MOD_G_2E = 0x22 | OPC_SPECIAL3, 382 OPC_MODU_G_2E = 0x23 | OPC_SPECIAL3, 383 OPC_DMOD_G_2E = 0x26 | OPC_SPECIAL3, 384 OPC_DMODU_G_2E = 0x27 | OPC_SPECIAL3, 385 386 /* MIPS DSP Load */ 387 OPC_LX_DSP = 0x0A | OPC_SPECIAL3, 388 /* MIPS DSP Arithmetic */ 389 OPC_ADDU_QB_DSP = 0x10 | OPC_SPECIAL3, 390 OPC_ADDU_OB_DSP = 0x14 | OPC_SPECIAL3, 391 OPC_ABSQ_S_PH_DSP = 0x12 | OPC_SPECIAL3, 392 OPC_ABSQ_S_QH_DSP = 0x16 | OPC_SPECIAL3, 393 /* OPC_ADDUH_QB_DSP is same as OPC_MULT_G_2E. */ 394 /* OPC_ADDUH_QB_DSP = 0x18 | OPC_SPECIAL3, */ 395 OPC_CMPU_EQ_QB_DSP = 0x11 | OPC_SPECIAL3, 396 OPC_CMPU_EQ_OB_DSP = 0x15 | OPC_SPECIAL3, 397 /* MIPS DSP GPR-Based Shift Sub-class */ 398 OPC_SHLL_QB_DSP = 0x13 | OPC_SPECIAL3, 399 OPC_SHLL_OB_DSP = 0x17 | OPC_SPECIAL3, 400 /* MIPS DSP Multiply Sub-class insns */ 401 /* OPC_MUL_PH_DSP is same as OPC_ADDUH_QB_DSP. */ 402 /* OPC_MUL_PH_DSP = 0x18 | OPC_SPECIAL3, */ 403 OPC_DPA_W_PH_DSP = 0x30 | OPC_SPECIAL3, 404 OPC_DPAQ_W_QH_DSP = 0x34 | OPC_SPECIAL3, 405 /* DSP Bit/Manipulation Sub-class */ 406 OPC_INSV_DSP = 0x0C | OPC_SPECIAL3, 407 OPC_DINSV_DSP = 0x0D | OPC_SPECIAL3, 408 /* MIPS DSP Append Sub-class */ 409 OPC_APPEND_DSP = 0x31 | OPC_SPECIAL3, 410 OPC_DAPPEND_DSP = 0x35 | OPC_SPECIAL3, 411 /* MIPS DSP Accumulator and DSPControl Access Sub-class */ 412 OPC_EXTR_W_DSP = 0x38 | OPC_SPECIAL3, 413 OPC_DEXTR_W_DSP = 0x3C | OPC_SPECIAL3, 414 415 /* EVA */ 416 OPC_LWLE = 0x19 | OPC_SPECIAL3, 417 OPC_LWRE = 0x1A | OPC_SPECIAL3, 418 OPC_CACHEE = 0x1B | OPC_SPECIAL3, 419 OPC_SBE = 0x1C | OPC_SPECIAL3, 420 OPC_SHE = 0x1D | OPC_SPECIAL3, 421 OPC_SCE = 0x1E | OPC_SPECIAL3, 422 OPC_SWE = 0x1F | OPC_SPECIAL3, 423 OPC_SWLE = 0x21 | OPC_SPECIAL3, 424 OPC_SWRE = 0x22 | OPC_SPECIAL3, 425 OPC_PREFE = 0x23 | OPC_SPECIAL3, 426 OPC_LBUE = 0x28 | OPC_SPECIAL3, 427 OPC_LHUE = 0x29 | OPC_SPECIAL3, 428 OPC_LBE = 0x2C | OPC_SPECIAL3, 429 OPC_LHE = 0x2D | OPC_SPECIAL3, 430 OPC_LLE = 0x2E | OPC_SPECIAL3, 431 OPC_LWE = 0x2F | OPC_SPECIAL3, 432 433 /* R6 */ 434 R6_OPC_PREF = 0x35 | OPC_SPECIAL3, 435 R6_OPC_CACHE = 0x25 | OPC_SPECIAL3, 436 R6_OPC_LL = 0x36 | OPC_SPECIAL3, 437 R6_OPC_SC = 0x26 | OPC_SPECIAL3, 438 R6_OPC_LLD = 0x37 | OPC_SPECIAL3, 439 R6_OPC_SCD = 0x27 | OPC_SPECIAL3, 440 }; 441 442 /* Loongson EXT load/store quad word opcodes */ 443 #define MASK_LOONGSON_GSLSQ(op) (MASK_OP_MAJOR(op) | (op & 0x8020)) 444 enum { 445 OPC_GSLQ = 0x0020 | OPC_LWC2, 446 OPC_GSLQC1 = 0x8020 | OPC_LWC2, 447 OPC_GSSHFL = OPC_LWC2, 448 OPC_GSSQ = 0x0020 | OPC_SWC2, 449 OPC_GSSQC1 = 0x8020 | OPC_SWC2, 450 OPC_GSSHFS = OPC_SWC2, 451 }; 452 453 /* Loongson EXT shifted load/store opcodes */ 454 #define MASK_LOONGSON_GSSHFLS(op) (MASK_OP_MAJOR(op) | (op & 0xc03f)) 455 enum { 456 OPC_GSLWLC1 = 0x4 | OPC_GSSHFL, 457 OPC_GSLWRC1 = 0x5 | OPC_GSSHFL, 458 OPC_GSLDLC1 = 0x6 | OPC_GSSHFL, 459 OPC_GSLDRC1 = 0x7 | OPC_GSSHFL, 460 OPC_GSSWLC1 = 0x4 | OPC_GSSHFS, 461 OPC_GSSWRC1 = 0x5 | OPC_GSSHFS, 462 OPC_GSSDLC1 = 0x6 | OPC_GSSHFS, 463 OPC_GSSDRC1 = 0x7 | OPC_GSSHFS, 464 }; 465 466 /* Loongson EXT LDC2/SDC2 opcodes */ 467 #define MASK_LOONGSON_LSDC2(op) (MASK_OP_MAJOR(op) | (op & 0x7)) 468 469 enum { 470 OPC_GSLBX = 0x0 | OPC_LDC2, 471 OPC_GSLHX = 0x1 | OPC_LDC2, 472 OPC_GSLWX = 0x2 | OPC_LDC2, 473 OPC_GSLDX = 0x3 | OPC_LDC2, 474 OPC_GSLWXC1 = 0x6 | OPC_LDC2, 475 OPC_GSLDXC1 = 0x7 | OPC_LDC2, 476 OPC_GSSBX = 0x0 | OPC_SDC2, 477 OPC_GSSHX = 0x1 | OPC_SDC2, 478 OPC_GSSWX = 0x2 | OPC_SDC2, 479 OPC_GSSDX = 0x3 | OPC_SDC2, 480 OPC_GSSWXC1 = 0x6 | OPC_SDC2, 481 OPC_GSSDXC1 = 0x7 | OPC_SDC2, 482 }; 483 484 /* BSHFL opcodes */ 485 #define MASK_BSHFL(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 486 487 enum { 488 OPC_WSBH = (0x02 << 6) | OPC_BSHFL, 489 OPC_SEB = (0x10 << 6) | OPC_BSHFL, 490 OPC_SEH = (0x18 << 6) | OPC_BSHFL, 491 OPC_ALIGN = (0x08 << 6) | OPC_BSHFL, /* 010.bp (010.00 to 010.11) */ 492 OPC_ALIGN_1 = (0x09 << 6) | OPC_BSHFL, 493 OPC_ALIGN_2 = (0x0A << 6) | OPC_BSHFL, 494 OPC_ALIGN_3 = (0x0B << 6) | OPC_BSHFL, 495 OPC_BITSWAP = (0x00 << 6) | OPC_BSHFL /* 00000 */ 496 }; 497 498 /* DBSHFL opcodes */ 499 #define MASK_DBSHFL(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 500 501 enum { 502 OPC_DSBH = (0x02 << 6) | OPC_DBSHFL, 503 OPC_DSHD = (0x05 << 6) | OPC_DBSHFL, 504 OPC_DALIGN = (0x08 << 6) | OPC_DBSHFL, /* 01.bp (01.000 to 01.111) */ 505 OPC_DALIGN_1 = (0x09 << 6) | OPC_DBSHFL, 506 OPC_DALIGN_2 = (0x0A << 6) | OPC_DBSHFL, 507 OPC_DALIGN_3 = (0x0B << 6) | OPC_DBSHFL, 508 OPC_DALIGN_4 = (0x0C << 6) | OPC_DBSHFL, 509 OPC_DALIGN_5 = (0x0D << 6) | OPC_DBSHFL, 510 OPC_DALIGN_6 = (0x0E << 6) | OPC_DBSHFL, 511 OPC_DALIGN_7 = (0x0F << 6) | OPC_DBSHFL, 512 OPC_DBITSWAP = (0x00 << 6) | OPC_DBSHFL, /* 00000 */ 513 }; 514 515 /* MIPS DSP REGIMM opcodes */ 516 enum { 517 OPC_BPOSGE32 = (0x1C << 16) | OPC_REGIMM, 518 OPC_BPOSGE64 = (0x1D << 16) | OPC_REGIMM, 519 }; 520 521 #define MASK_LX(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 522 /* MIPS DSP Load */ 523 enum { 524 OPC_LBUX = (0x06 << 6) | OPC_LX_DSP, 525 OPC_LHX = (0x04 << 6) | OPC_LX_DSP, 526 OPC_LWX = (0x00 << 6) | OPC_LX_DSP, 527 OPC_LDX = (0x08 << 6) | OPC_LX_DSP, 528 }; 529 530 #define MASK_ADDU_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 531 enum { 532 /* MIPS DSP Arithmetic Sub-class */ 533 OPC_ADDQ_PH = (0x0A << 6) | OPC_ADDU_QB_DSP, 534 OPC_ADDQ_S_PH = (0x0E << 6) | OPC_ADDU_QB_DSP, 535 OPC_ADDQ_S_W = (0x16 << 6) | OPC_ADDU_QB_DSP, 536 OPC_ADDU_QB = (0x00 << 6) | OPC_ADDU_QB_DSP, 537 OPC_ADDU_S_QB = (0x04 << 6) | OPC_ADDU_QB_DSP, 538 OPC_ADDU_PH = (0x08 << 6) | OPC_ADDU_QB_DSP, 539 OPC_ADDU_S_PH = (0x0C << 6) | OPC_ADDU_QB_DSP, 540 OPC_SUBQ_PH = (0x0B << 6) | OPC_ADDU_QB_DSP, 541 OPC_SUBQ_S_PH = (0x0F << 6) | OPC_ADDU_QB_DSP, 542 OPC_SUBQ_S_W = (0x17 << 6) | OPC_ADDU_QB_DSP, 543 OPC_SUBU_QB = (0x01 << 6) | OPC_ADDU_QB_DSP, 544 OPC_SUBU_S_QB = (0x05 << 6) | OPC_ADDU_QB_DSP, 545 OPC_SUBU_PH = (0x09 << 6) | OPC_ADDU_QB_DSP, 546 OPC_SUBU_S_PH = (0x0D << 6) | OPC_ADDU_QB_DSP, 547 OPC_ADDSC = (0x10 << 6) | OPC_ADDU_QB_DSP, 548 OPC_ADDWC = (0x11 << 6) | OPC_ADDU_QB_DSP, 549 OPC_MODSUB = (0x12 << 6) | OPC_ADDU_QB_DSP, 550 OPC_RADDU_W_QB = (0x14 << 6) | OPC_ADDU_QB_DSP, 551 /* MIPS DSP Multiply Sub-class insns */ 552 OPC_MULEU_S_PH_QBL = (0x06 << 6) | OPC_ADDU_QB_DSP, 553 OPC_MULEU_S_PH_QBR = (0x07 << 6) | OPC_ADDU_QB_DSP, 554 OPC_MULQ_RS_PH = (0x1F << 6) | OPC_ADDU_QB_DSP, 555 OPC_MULEQ_S_W_PHL = (0x1C << 6) | OPC_ADDU_QB_DSP, 556 OPC_MULEQ_S_W_PHR = (0x1D << 6) | OPC_ADDU_QB_DSP, 557 OPC_MULQ_S_PH = (0x1E << 6) | OPC_ADDU_QB_DSP, 558 }; 559 560 #define OPC_ADDUH_QB_DSP OPC_MULT_G_2E 561 #define MASK_ADDUH_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 562 enum { 563 /* MIPS DSP Arithmetic Sub-class */ 564 OPC_ADDUH_QB = (0x00 << 6) | OPC_ADDUH_QB_DSP, 565 OPC_ADDUH_R_QB = (0x02 << 6) | OPC_ADDUH_QB_DSP, 566 OPC_ADDQH_PH = (0x08 << 6) | OPC_ADDUH_QB_DSP, 567 OPC_ADDQH_R_PH = (0x0A << 6) | OPC_ADDUH_QB_DSP, 568 OPC_ADDQH_W = (0x10 << 6) | OPC_ADDUH_QB_DSP, 569 OPC_ADDQH_R_W = (0x12 << 6) | OPC_ADDUH_QB_DSP, 570 OPC_SUBUH_QB = (0x01 << 6) | OPC_ADDUH_QB_DSP, 571 OPC_SUBUH_R_QB = (0x03 << 6) | OPC_ADDUH_QB_DSP, 572 OPC_SUBQH_PH = (0x09 << 6) | OPC_ADDUH_QB_DSP, 573 OPC_SUBQH_R_PH = (0x0B << 6) | OPC_ADDUH_QB_DSP, 574 OPC_SUBQH_W = (0x11 << 6) | OPC_ADDUH_QB_DSP, 575 OPC_SUBQH_R_W = (0x13 << 6) | OPC_ADDUH_QB_DSP, 576 /* MIPS DSP Multiply Sub-class insns */ 577 OPC_MUL_PH = (0x0C << 6) | OPC_ADDUH_QB_DSP, 578 OPC_MUL_S_PH = (0x0E << 6) | OPC_ADDUH_QB_DSP, 579 OPC_MULQ_S_W = (0x16 << 6) | OPC_ADDUH_QB_DSP, 580 OPC_MULQ_RS_W = (0x17 << 6) | OPC_ADDUH_QB_DSP, 581 }; 582 583 #define MASK_ABSQ_S_PH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 584 enum { 585 /* MIPS DSP Arithmetic Sub-class */ 586 OPC_ABSQ_S_QB = (0x01 << 6) | OPC_ABSQ_S_PH_DSP, 587 OPC_ABSQ_S_PH = (0x09 << 6) | OPC_ABSQ_S_PH_DSP, 588 OPC_ABSQ_S_W = (0x11 << 6) | OPC_ABSQ_S_PH_DSP, 589 OPC_PRECEQ_W_PHL = (0x0C << 6) | OPC_ABSQ_S_PH_DSP, 590 OPC_PRECEQ_W_PHR = (0x0D << 6) | OPC_ABSQ_S_PH_DSP, 591 OPC_PRECEQU_PH_QBL = (0x04 << 6) | OPC_ABSQ_S_PH_DSP, 592 OPC_PRECEQU_PH_QBR = (0x05 << 6) | OPC_ABSQ_S_PH_DSP, 593 OPC_PRECEQU_PH_QBLA = (0x06 << 6) | OPC_ABSQ_S_PH_DSP, 594 OPC_PRECEQU_PH_QBRA = (0x07 << 6) | OPC_ABSQ_S_PH_DSP, 595 OPC_PRECEU_PH_QBL = (0x1C << 6) | OPC_ABSQ_S_PH_DSP, 596 OPC_PRECEU_PH_QBR = (0x1D << 6) | OPC_ABSQ_S_PH_DSP, 597 OPC_PRECEU_PH_QBLA = (0x1E << 6) | OPC_ABSQ_S_PH_DSP, 598 OPC_PRECEU_PH_QBRA = (0x1F << 6) | OPC_ABSQ_S_PH_DSP, 599 /* DSP Bit/Manipulation Sub-class */ 600 OPC_BITREV = (0x1B << 6) | OPC_ABSQ_S_PH_DSP, 601 OPC_REPL_QB = (0x02 << 6) | OPC_ABSQ_S_PH_DSP, 602 OPC_REPLV_QB = (0x03 << 6) | OPC_ABSQ_S_PH_DSP, 603 OPC_REPL_PH = (0x0A << 6) | OPC_ABSQ_S_PH_DSP, 604 OPC_REPLV_PH = (0x0B << 6) | OPC_ABSQ_S_PH_DSP, 605 }; 606 607 #define MASK_CMPU_EQ_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 608 enum { 609 /* MIPS DSP Arithmetic Sub-class */ 610 OPC_PRECR_QB_PH = (0x0D << 6) | OPC_CMPU_EQ_QB_DSP, 611 OPC_PRECRQ_QB_PH = (0x0C << 6) | OPC_CMPU_EQ_QB_DSP, 612 OPC_PRECR_SRA_PH_W = (0x1E << 6) | OPC_CMPU_EQ_QB_DSP, 613 OPC_PRECR_SRA_R_PH_W = (0x1F << 6) | OPC_CMPU_EQ_QB_DSP, 614 OPC_PRECRQ_PH_W = (0x14 << 6) | OPC_CMPU_EQ_QB_DSP, 615 OPC_PRECRQ_RS_PH_W = (0x15 << 6) | OPC_CMPU_EQ_QB_DSP, 616 OPC_PRECRQU_S_QB_PH = (0x0F << 6) | OPC_CMPU_EQ_QB_DSP, 617 /* DSP Compare-Pick Sub-class */ 618 OPC_CMPU_EQ_QB = (0x00 << 6) | OPC_CMPU_EQ_QB_DSP, 619 OPC_CMPU_LT_QB = (0x01 << 6) | OPC_CMPU_EQ_QB_DSP, 620 OPC_CMPU_LE_QB = (0x02 << 6) | OPC_CMPU_EQ_QB_DSP, 621 OPC_CMPGU_EQ_QB = (0x04 << 6) | OPC_CMPU_EQ_QB_DSP, 622 OPC_CMPGU_LT_QB = (0x05 << 6) | OPC_CMPU_EQ_QB_DSP, 623 OPC_CMPGU_LE_QB = (0x06 << 6) | OPC_CMPU_EQ_QB_DSP, 624 OPC_CMPGDU_EQ_QB = (0x18 << 6) | OPC_CMPU_EQ_QB_DSP, 625 OPC_CMPGDU_LT_QB = (0x19 << 6) | OPC_CMPU_EQ_QB_DSP, 626 OPC_CMPGDU_LE_QB = (0x1A << 6) | OPC_CMPU_EQ_QB_DSP, 627 OPC_CMP_EQ_PH = (0x08 << 6) | OPC_CMPU_EQ_QB_DSP, 628 OPC_CMP_LT_PH = (0x09 << 6) | OPC_CMPU_EQ_QB_DSP, 629 OPC_CMP_LE_PH = (0x0A << 6) | OPC_CMPU_EQ_QB_DSP, 630 OPC_PICK_QB = (0x03 << 6) | OPC_CMPU_EQ_QB_DSP, 631 OPC_PICK_PH = (0x0B << 6) | OPC_CMPU_EQ_QB_DSP, 632 OPC_PACKRL_PH = (0x0E << 6) | OPC_CMPU_EQ_QB_DSP, 633 }; 634 635 #define MASK_SHLL_QB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 636 enum { 637 /* MIPS DSP GPR-Based Shift Sub-class */ 638 OPC_SHLL_QB = (0x00 << 6) | OPC_SHLL_QB_DSP, 639 OPC_SHLLV_QB = (0x02 << 6) | OPC_SHLL_QB_DSP, 640 OPC_SHLL_PH = (0x08 << 6) | OPC_SHLL_QB_DSP, 641 OPC_SHLLV_PH = (0x0A << 6) | OPC_SHLL_QB_DSP, 642 OPC_SHLL_S_PH = (0x0C << 6) | OPC_SHLL_QB_DSP, 643 OPC_SHLLV_S_PH = (0x0E << 6) | OPC_SHLL_QB_DSP, 644 OPC_SHLL_S_W = (0x14 << 6) | OPC_SHLL_QB_DSP, 645 OPC_SHLLV_S_W = (0x16 << 6) | OPC_SHLL_QB_DSP, 646 OPC_SHRL_QB = (0x01 << 6) | OPC_SHLL_QB_DSP, 647 OPC_SHRLV_QB = (0x03 << 6) | OPC_SHLL_QB_DSP, 648 OPC_SHRL_PH = (0x19 << 6) | OPC_SHLL_QB_DSP, 649 OPC_SHRLV_PH = (0x1B << 6) | OPC_SHLL_QB_DSP, 650 OPC_SHRA_QB = (0x04 << 6) | OPC_SHLL_QB_DSP, 651 OPC_SHRA_R_QB = (0x05 << 6) | OPC_SHLL_QB_DSP, 652 OPC_SHRAV_QB = (0x06 << 6) | OPC_SHLL_QB_DSP, 653 OPC_SHRAV_R_QB = (0x07 << 6) | OPC_SHLL_QB_DSP, 654 OPC_SHRA_PH = (0x09 << 6) | OPC_SHLL_QB_DSP, 655 OPC_SHRAV_PH = (0x0B << 6) | OPC_SHLL_QB_DSP, 656 OPC_SHRA_R_PH = (0x0D << 6) | OPC_SHLL_QB_DSP, 657 OPC_SHRAV_R_PH = (0x0F << 6) | OPC_SHLL_QB_DSP, 658 OPC_SHRA_R_W = (0x15 << 6) | OPC_SHLL_QB_DSP, 659 OPC_SHRAV_R_W = (0x17 << 6) | OPC_SHLL_QB_DSP, 660 }; 661 662 #define MASK_DPA_W_PH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 663 enum { 664 /* MIPS DSP Multiply Sub-class insns */ 665 OPC_DPAU_H_QBL = (0x03 << 6) | OPC_DPA_W_PH_DSP, 666 OPC_DPAU_H_QBR = (0x07 << 6) | OPC_DPA_W_PH_DSP, 667 OPC_DPSU_H_QBL = (0x0B << 6) | OPC_DPA_W_PH_DSP, 668 OPC_DPSU_H_QBR = (0x0F << 6) | OPC_DPA_W_PH_DSP, 669 OPC_DPA_W_PH = (0x00 << 6) | OPC_DPA_W_PH_DSP, 670 OPC_DPAX_W_PH = (0x08 << 6) | OPC_DPA_W_PH_DSP, 671 OPC_DPAQ_S_W_PH = (0x04 << 6) | OPC_DPA_W_PH_DSP, 672 OPC_DPAQX_S_W_PH = (0x18 << 6) | OPC_DPA_W_PH_DSP, 673 OPC_DPAQX_SA_W_PH = (0x1A << 6) | OPC_DPA_W_PH_DSP, 674 OPC_DPS_W_PH = (0x01 << 6) | OPC_DPA_W_PH_DSP, 675 OPC_DPSX_W_PH = (0x09 << 6) | OPC_DPA_W_PH_DSP, 676 OPC_DPSQ_S_W_PH = (0x05 << 6) | OPC_DPA_W_PH_DSP, 677 OPC_DPSQX_S_W_PH = (0x19 << 6) | OPC_DPA_W_PH_DSP, 678 OPC_DPSQX_SA_W_PH = (0x1B << 6) | OPC_DPA_W_PH_DSP, 679 OPC_MULSAQ_S_W_PH = (0x06 << 6) | OPC_DPA_W_PH_DSP, 680 OPC_DPAQ_SA_L_W = (0x0C << 6) | OPC_DPA_W_PH_DSP, 681 OPC_DPSQ_SA_L_W = (0x0D << 6) | OPC_DPA_W_PH_DSP, 682 OPC_MAQ_S_W_PHL = (0x14 << 6) | OPC_DPA_W_PH_DSP, 683 OPC_MAQ_S_W_PHR = (0x16 << 6) | OPC_DPA_W_PH_DSP, 684 OPC_MAQ_SA_W_PHL = (0x10 << 6) | OPC_DPA_W_PH_DSP, 685 OPC_MAQ_SA_W_PHR = (0x12 << 6) | OPC_DPA_W_PH_DSP, 686 OPC_MULSA_W_PH = (0x02 << 6) | OPC_DPA_W_PH_DSP, 687 }; 688 689 #define MASK_INSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 690 enum { 691 /* DSP Bit/Manipulation Sub-class */ 692 OPC_INSV = (0x00 << 6) | OPC_INSV_DSP, 693 }; 694 695 #define MASK_APPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 696 enum { 697 /* MIPS DSP Append Sub-class */ 698 OPC_APPEND = (0x00 << 6) | OPC_APPEND_DSP, 699 OPC_PREPEND = (0x01 << 6) | OPC_APPEND_DSP, 700 OPC_BALIGN = (0x10 << 6) | OPC_APPEND_DSP, 701 }; 702 703 #define MASK_EXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 704 enum { 705 /* MIPS DSP Accumulator and DSPControl Access Sub-class */ 706 OPC_EXTR_W = (0x00 << 6) | OPC_EXTR_W_DSP, 707 OPC_EXTR_R_W = (0x04 << 6) | OPC_EXTR_W_DSP, 708 OPC_EXTR_RS_W = (0x06 << 6) | OPC_EXTR_W_DSP, 709 OPC_EXTR_S_H = (0x0E << 6) | OPC_EXTR_W_DSP, 710 OPC_EXTRV_S_H = (0x0F << 6) | OPC_EXTR_W_DSP, 711 OPC_EXTRV_W = (0x01 << 6) | OPC_EXTR_W_DSP, 712 OPC_EXTRV_R_W = (0x05 << 6) | OPC_EXTR_W_DSP, 713 OPC_EXTRV_RS_W = (0x07 << 6) | OPC_EXTR_W_DSP, 714 OPC_EXTP = (0x02 << 6) | OPC_EXTR_W_DSP, 715 OPC_EXTPV = (0x03 << 6) | OPC_EXTR_W_DSP, 716 OPC_EXTPDP = (0x0A << 6) | OPC_EXTR_W_DSP, 717 OPC_EXTPDPV = (0x0B << 6) | OPC_EXTR_W_DSP, 718 OPC_SHILO = (0x1A << 6) | OPC_EXTR_W_DSP, 719 OPC_SHILOV = (0x1B << 6) | OPC_EXTR_W_DSP, 720 OPC_MTHLIP = (0x1F << 6) | OPC_EXTR_W_DSP, 721 OPC_WRDSP = (0x13 << 6) | OPC_EXTR_W_DSP, 722 OPC_RDDSP = (0x12 << 6) | OPC_EXTR_W_DSP, 723 }; 724 725 #define MASK_ABSQ_S_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 726 enum { 727 /* MIPS DSP Arithmetic Sub-class */ 728 OPC_PRECEQ_L_PWL = (0x14 << 6) | OPC_ABSQ_S_QH_DSP, 729 OPC_PRECEQ_L_PWR = (0x15 << 6) | OPC_ABSQ_S_QH_DSP, 730 OPC_PRECEQ_PW_QHL = (0x0C << 6) | OPC_ABSQ_S_QH_DSP, 731 OPC_PRECEQ_PW_QHR = (0x0D << 6) | OPC_ABSQ_S_QH_DSP, 732 OPC_PRECEQ_PW_QHLA = (0x0E << 6) | OPC_ABSQ_S_QH_DSP, 733 OPC_PRECEQ_PW_QHRA = (0x0F << 6) | OPC_ABSQ_S_QH_DSP, 734 OPC_PRECEQU_QH_OBL = (0x04 << 6) | OPC_ABSQ_S_QH_DSP, 735 OPC_PRECEQU_QH_OBR = (0x05 << 6) | OPC_ABSQ_S_QH_DSP, 736 OPC_PRECEQU_QH_OBLA = (0x06 << 6) | OPC_ABSQ_S_QH_DSP, 737 OPC_PRECEQU_QH_OBRA = (0x07 << 6) | OPC_ABSQ_S_QH_DSP, 738 OPC_PRECEU_QH_OBL = (0x1C << 6) | OPC_ABSQ_S_QH_DSP, 739 OPC_PRECEU_QH_OBR = (0x1D << 6) | OPC_ABSQ_S_QH_DSP, 740 OPC_PRECEU_QH_OBLA = (0x1E << 6) | OPC_ABSQ_S_QH_DSP, 741 OPC_PRECEU_QH_OBRA = (0x1F << 6) | OPC_ABSQ_S_QH_DSP, 742 OPC_ABSQ_S_OB = (0x01 << 6) | OPC_ABSQ_S_QH_DSP, 743 OPC_ABSQ_S_PW = (0x11 << 6) | OPC_ABSQ_S_QH_DSP, 744 OPC_ABSQ_S_QH = (0x09 << 6) | OPC_ABSQ_S_QH_DSP, 745 /* DSP Bit/Manipulation Sub-class */ 746 OPC_REPL_OB = (0x02 << 6) | OPC_ABSQ_S_QH_DSP, 747 OPC_REPL_PW = (0x12 << 6) | OPC_ABSQ_S_QH_DSP, 748 OPC_REPL_QH = (0x0A << 6) | OPC_ABSQ_S_QH_DSP, 749 OPC_REPLV_OB = (0x03 << 6) | OPC_ABSQ_S_QH_DSP, 750 OPC_REPLV_PW = (0x13 << 6) | OPC_ABSQ_S_QH_DSP, 751 OPC_REPLV_QH = (0x0B << 6) | OPC_ABSQ_S_QH_DSP, 752 }; 753 754 #define MASK_ADDU_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 755 enum { 756 /* MIPS DSP Multiply Sub-class insns */ 757 OPC_MULEQ_S_PW_QHL = (0x1C << 6) | OPC_ADDU_OB_DSP, 758 OPC_MULEQ_S_PW_QHR = (0x1D << 6) | OPC_ADDU_OB_DSP, 759 OPC_MULEU_S_QH_OBL = (0x06 << 6) | OPC_ADDU_OB_DSP, 760 OPC_MULEU_S_QH_OBR = (0x07 << 6) | OPC_ADDU_OB_DSP, 761 OPC_MULQ_RS_QH = (0x1F << 6) | OPC_ADDU_OB_DSP, 762 /* MIPS DSP Arithmetic Sub-class */ 763 OPC_RADDU_L_OB = (0x14 << 6) | OPC_ADDU_OB_DSP, 764 OPC_SUBQ_PW = (0x13 << 6) | OPC_ADDU_OB_DSP, 765 OPC_SUBQ_S_PW = (0x17 << 6) | OPC_ADDU_OB_DSP, 766 OPC_SUBQ_QH = (0x0B << 6) | OPC_ADDU_OB_DSP, 767 OPC_SUBQ_S_QH = (0x0F << 6) | OPC_ADDU_OB_DSP, 768 OPC_SUBU_OB = (0x01 << 6) | OPC_ADDU_OB_DSP, 769 OPC_SUBU_S_OB = (0x05 << 6) | OPC_ADDU_OB_DSP, 770 OPC_SUBU_QH = (0x09 << 6) | OPC_ADDU_OB_DSP, 771 OPC_SUBU_S_QH = (0x0D << 6) | OPC_ADDU_OB_DSP, 772 OPC_SUBUH_OB = (0x19 << 6) | OPC_ADDU_OB_DSP, 773 OPC_SUBUH_R_OB = (0x1B << 6) | OPC_ADDU_OB_DSP, 774 OPC_ADDQ_PW = (0x12 << 6) | OPC_ADDU_OB_DSP, 775 OPC_ADDQ_S_PW = (0x16 << 6) | OPC_ADDU_OB_DSP, 776 OPC_ADDQ_QH = (0x0A << 6) | OPC_ADDU_OB_DSP, 777 OPC_ADDQ_S_QH = (0x0E << 6) | OPC_ADDU_OB_DSP, 778 OPC_ADDU_OB = (0x00 << 6) | OPC_ADDU_OB_DSP, 779 OPC_ADDU_S_OB = (0x04 << 6) | OPC_ADDU_OB_DSP, 780 OPC_ADDU_QH = (0x08 << 6) | OPC_ADDU_OB_DSP, 781 OPC_ADDU_S_QH = (0x0C << 6) | OPC_ADDU_OB_DSP, 782 OPC_ADDUH_OB = (0x18 << 6) | OPC_ADDU_OB_DSP, 783 OPC_ADDUH_R_OB = (0x1A << 6) | OPC_ADDU_OB_DSP, 784 }; 785 786 #define MASK_CMPU_EQ_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 787 enum { 788 /* DSP Compare-Pick Sub-class */ 789 OPC_CMP_EQ_PW = (0x10 << 6) | OPC_CMPU_EQ_OB_DSP, 790 OPC_CMP_LT_PW = (0x11 << 6) | OPC_CMPU_EQ_OB_DSP, 791 OPC_CMP_LE_PW = (0x12 << 6) | OPC_CMPU_EQ_OB_DSP, 792 OPC_CMP_EQ_QH = (0x08 << 6) | OPC_CMPU_EQ_OB_DSP, 793 OPC_CMP_LT_QH = (0x09 << 6) | OPC_CMPU_EQ_OB_DSP, 794 OPC_CMP_LE_QH = (0x0A << 6) | OPC_CMPU_EQ_OB_DSP, 795 OPC_CMPGDU_EQ_OB = (0x18 << 6) | OPC_CMPU_EQ_OB_DSP, 796 OPC_CMPGDU_LT_OB = (0x19 << 6) | OPC_CMPU_EQ_OB_DSP, 797 OPC_CMPGDU_LE_OB = (0x1A << 6) | OPC_CMPU_EQ_OB_DSP, 798 OPC_CMPGU_EQ_OB = (0x04 << 6) | OPC_CMPU_EQ_OB_DSP, 799 OPC_CMPGU_LT_OB = (0x05 << 6) | OPC_CMPU_EQ_OB_DSP, 800 OPC_CMPGU_LE_OB = (0x06 << 6) | OPC_CMPU_EQ_OB_DSP, 801 OPC_CMPU_EQ_OB = (0x00 << 6) | OPC_CMPU_EQ_OB_DSP, 802 OPC_CMPU_LT_OB = (0x01 << 6) | OPC_CMPU_EQ_OB_DSP, 803 OPC_CMPU_LE_OB = (0x02 << 6) | OPC_CMPU_EQ_OB_DSP, 804 OPC_PACKRL_PW = (0x0E << 6) | OPC_CMPU_EQ_OB_DSP, 805 OPC_PICK_OB = (0x03 << 6) | OPC_CMPU_EQ_OB_DSP, 806 OPC_PICK_PW = (0x13 << 6) | OPC_CMPU_EQ_OB_DSP, 807 OPC_PICK_QH = (0x0B << 6) | OPC_CMPU_EQ_OB_DSP, 808 /* MIPS DSP Arithmetic Sub-class */ 809 OPC_PRECR_OB_QH = (0x0D << 6) | OPC_CMPU_EQ_OB_DSP, 810 OPC_PRECR_SRA_QH_PW = (0x1E << 6) | OPC_CMPU_EQ_OB_DSP, 811 OPC_PRECR_SRA_R_QH_PW = (0x1F << 6) | OPC_CMPU_EQ_OB_DSP, 812 OPC_PRECRQ_OB_QH = (0x0C << 6) | OPC_CMPU_EQ_OB_DSP, 813 OPC_PRECRQ_PW_L = (0x1C << 6) | OPC_CMPU_EQ_OB_DSP, 814 OPC_PRECRQ_QH_PW = (0x14 << 6) | OPC_CMPU_EQ_OB_DSP, 815 OPC_PRECRQ_RS_QH_PW = (0x15 << 6) | OPC_CMPU_EQ_OB_DSP, 816 OPC_PRECRQU_S_OB_QH = (0x0F << 6) | OPC_CMPU_EQ_OB_DSP, 817 }; 818 819 #define MASK_DAPPEND(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 820 enum { 821 /* DSP Append Sub-class */ 822 OPC_DAPPEND = (0x00 << 6) | OPC_DAPPEND_DSP, 823 OPC_PREPENDD = (0x03 << 6) | OPC_DAPPEND_DSP, 824 OPC_PREPENDW = (0x01 << 6) | OPC_DAPPEND_DSP, 825 OPC_DBALIGN = (0x10 << 6) | OPC_DAPPEND_DSP, 826 }; 827 828 #define MASK_DEXTR_W(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 829 enum { 830 /* MIPS DSP Accumulator and DSPControl Access Sub-class */ 831 OPC_DMTHLIP = (0x1F << 6) | OPC_DEXTR_W_DSP, 832 OPC_DSHILO = (0x1A << 6) | OPC_DEXTR_W_DSP, 833 OPC_DEXTP = (0x02 << 6) | OPC_DEXTR_W_DSP, 834 OPC_DEXTPDP = (0x0A << 6) | OPC_DEXTR_W_DSP, 835 OPC_DEXTPDPV = (0x0B << 6) | OPC_DEXTR_W_DSP, 836 OPC_DEXTPV = (0x03 << 6) | OPC_DEXTR_W_DSP, 837 OPC_DEXTR_L = (0x10 << 6) | OPC_DEXTR_W_DSP, 838 OPC_DEXTR_R_L = (0x14 << 6) | OPC_DEXTR_W_DSP, 839 OPC_DEXTR_RS_L = (0x16 << 6) | OPC_DEXTR_W_DSP, 840 OPC_DEXTR_W = (0x00 << 6) | OPC_DEXTR_W_DSP, 841 OPC_DEXTR_R_W = (0x04 << 6) | OPC_DEXTR_W_DSP, 842 OPC_DEXTR_RS_W = (0x06 << 6) | OPC_DEXTR_W_DSP, 843 OPC_DEXTR_S_H = (0x0E << 6) | OPC_DEXTR_W_DSP, 844 OPC_DEXTRV_L = (0x11 << 6) | OPC_DEXTR_W_DSP, 845 OPC_DEXTRV_R_L = (0x15 << 6) | OPC_DEXTR_W_DSP, 846 OPC_DEXTRV_RS_L = (0x17 << 6) | OPC_DEXTR_W_DSP, 847 OPC_DEXTRV_S_H = (0x0F << 6) | OPC_DEXTR_W_DSP, 848 OPC_DEXTRV_W = (0x01 << 6) | OPC_DEXTR_W_DSP, 849 OPC_DEXTRV_R_W = (0x05 << 6) | OPC_DEXTR_W_DSP, 850 OPC_DEXTRV_RS_W = (0x07 << 6) | OPC_DEXTR_W_DSP, 851 OPC_DSHILOV = (0x1B << 6) | OPC_DEXTR_W_DSP, 852 }; 853 854 #define MASK_DINSV(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 855 enum { 856 /* DSP Bit/Manipulation Sub-class */ 857 OPC_DINSV = (0x00 << 6) | OPC_DINSV_DSP, 858 }; 859 860 #define MASK_DPAQ_W_QH(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 861 enum { 862 /* MIPS DSP Multiply Sub-class insns */ 863 OPC_DMADD = (0x19 << 6) | OPC_DPAQ_W_QH_DSP, 864 OPC_DMADDU = (0x1D << 6) | OPC_DPAQ_W_QH_DSP, 865 OPC_DMSUB = (0x1B << 6) | OPC_DPAQ_W_QH_DSP, 866 OPC_DMSUBU = (0x1F << 6) | OPC_DPAQ_W_QH_DSP, 867 OPC_DPA_W_QH = (0x00 << 6) | OPC_DPAQ_W_QH_DSP, 868 OPC_DPAQ_S_W_QH = (0x04 << 6) | OPC_DPAQ_W_QH_DSP, 869 OPC_DPAQ_SA_L_PW = (0x0C << 6) | OPC_DPAQ_W_QH_DSP, 870 OPC_DPAU_H_OBL = (0x03 << 6) | OPC_DPAQ_W_QH_DSP, 871 OPC_DPAU_H_OBR = (0x07 << 6) | OPC_DPAQ_W_QH_DSP, 872 OPC_DPS_W_QH = (0x01 << 6) | OPC_DPAQ_W_QH_DSP, 873 OPC_DPSQ_S_W_QH = (0x05 << 6) | OPC_DPAQ_W_QH_DSP, 874 OPC_DPSQ_SA_L_PW = (0x0D << 6) | OPC_DPAQ_W_QH_DSP, 875 OPC_DPSU_H_OBL = (0x0B << 6) | OPC_DPAQ_W_QH_DSP, 876 OPC_DPSU_H_OBR = (0x0F << 6) | OPC_DPAQ_W_QH_DSP, 877 OPC_MAQ_S_L_PWL = (0x1C << 6) | OPC_DPAQ_W_QH_DSP, 878 OPC_MAQ_S_L_PWR = (0x1E << 6) | OPC_DPAQ_W_QH_DSP, 879 OPC_MAQ_S_W_QHLL = (0x14 << 6) | OPC_DPAQ_W_QH_DSP, 880 OPC_MAQ_SA_W_QHLL = (0x10 << 6) | OPC_DPAQ_W_QH_DSP, 881 OPC_MAQ_S_W_QHLR = (0x15 << 6) | OPC_DPAQ_W_QH_DSP, 882 OPC_MAQ_SA_W_QHLR = (0x11 << 6) | OPC_DPAQ_W_QH_DSP, 883 OPC_MAQ_S_W_QHRL = (0x16 << 6) | OPC_DPAQ_W_QH_DSP, 884 OPC_MAQ_SA_W_QHRL = (0x12 << 6) | OPC_DPAQ_W_QH_DSP, 885 OPC_MAQ_S_W_QHRR = (0x17 << 6) | OPC_DPAQ_W_QH_DSP, 886 OPC_MAQ_SA_W_QHRR = (0x13 << 6) | OPC_DPAQ_W_QH_DSP, 887 OPC_MULSAQ_S_L_PW = (0x0E << 6) | OPC_DPAQ_W_QH_DSP, 888 OPC_MULSAQ_S_W_QH = (0x06 << 6) | OPC_DPAQ_W_QH_DSP, 889 }; 890 891 #define MASK_SHLL_OB(op) (MASK_SPECIAL3(op) | (op & (0x1F << 6))) 892 enum { 893 /* MIPS DSP GPR-Based Shift Sub-class */ 894 OPC_SHLL_PW = (0x10 << 6) | OPC_SHLL_OB_DSP, 895 OPC_SHLL_S_PW = (0x14 << 6) | OPC_SHLL_OB_DSP, 896 OPC_SHLLV_OB = (0x02 << 6) | OPC_SHLL_OB_DSP, 897 OPC_SHLLV_PW = (0x12 << 6) | OPC_SHLL_OB_DSP, 898 OPC_SHLLV_S_PW = (0x16 << 6) | OPC_SHLL_OB_DSP, 899 OPC_SHLLV_QH = (0x0A << 6) | OPC_SHLL_OB_DSP, 900 OPC_SHLLV_S_QH = (0x0E << 6) | OPC_SHLL_OB_DSP, 901 OPC_SHRA_PW = (0x11 << 6) | OPC_SHLL_OB_DSP, 902 OPC_SHRA_R_PW = (0x15 << 6) | OPC_SHLL_OB_DSP, 903 OPC_SHRAV_OB = (0x06 << 6) | OPC_SHLL_OB_DSP, 904 OPC_SHRAV_R_OB = (0x07 << 6) | OPC_SHLL_OB_DSP, 905 OPC_SHRAV_PW = (0x13 << 6) | OPC_SHLL_OB_DSP, 906 OPC_SHRAV_R_PW = (0x17 << 6) | OPC_SHLL_OB_DSP, 907 OPC_SHRAV_QH = (0x0B << 6) | OPC_SHLL_OB_DSP, 908 OPC_SHRAV_R_QH = (0x0F << 6) | OPC_SHLL_OB_DSP, 909 OPC_SHRLV_OB = (0x03 << 6) | OPC_SHLL_OB_DSP, 910 OPC_SHRLV_QH = (0x1B << 6) | OPC_SHLL_OB_DSP, 911 OPC_SHLL_OB = (0x00 << 6) | OPC_SHLL_OB_DSP, 912 OPC_SHLL_QH = (0x08 << 6) | OPC_SHLL_OB_DSP, 913 OPC_SHLL_S_QH = (0x0C << 6) | OPC_SHLL_OB_DSP, 914 OPC_SHRA_OB = (0x04 << 6) | OPC_SHLL_OB_DSP, 915 OPC_SHRA_R_OB = (0x05 << 6) | OPC_SHLL_OB_DSP, 916 OPC_SHRA_QH = (0x09 << 6) | OPC_SHLL_OB_DSP, 917 OPC_SHRA_R_QH = (0x0D << 6) | OPC_SHLL_OB_DSP, 918 OPC_SHRL_OB = (0x01 << 6) | OPC_SHLL_OB_DSP, 919 OPC_SHRL_QH = (0x19 << 6) | OPC_SHLL_OB_DSP, 920 }; 921 922 /* Coprocessor 0 (rs field) */ 923 #define MASK_CP0(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21))) 924 925 enum { 926 OPC_MFC0 = (0x00 << 21) | OPC_CP0, 927 OPC_DMFC0 = (0x01 << 21) | OPC_CP0, 928 OPC_MFHC0 = (0x02 << 21) | OPC_CP0, 929 OPC_MTC0 = (0x04 << 21) | OPC_CP0, 930 OPC_DMTC0 = (0x05 << 21) | OPC_CP0, 931 OPC_MTHC0 = (0x06 << 21) | OPC_CP0, 932 OPC_MFTR = (0x08 << 21) | OPC_CP0, 933 OPC_RDPGPR = (0x0A << 21) | OPC_CP0, 934 OPC_MFMC0 = (0x0B << 21) | OPC_CP0, 935 OPC_MTTR = (0x0C << 21) | OPC_CP0, 936 OPC_WRPGPR = (0x0E << 21) | OPC_CP0, 937 OPC_C0 = (0x10 << 21) | OPC_CP0, 938 OPC_C0_1 = (0x11 << 21) | OPC_CP0, 939 OPC_C0_2 = (0x12 << 21) | OPC_CP0, 940 OPC_C0_3 = (0x13 << 21) | OPC_CP0, 941 OPC_C0_4 = (0x14 << 21) | OPC_CP0, 942 OPC_C0_5 = (0x15 << 21) | OPC_CP0, 943 OPC_C0_6 = (0x16 << 21) | OPC_CP0, 944 OPC_C0_7 = (0x17 << 21) | OPC_CP0, 945 OPC_C0_8 = (0x18 << 21) | OPC_CP0, 946 OPC_C0_9 = (0x19 << 21) | OPC_CP0, 947 OPC_C0_A = (0x1A << 21) | OPC_CP0, 948 OPC_C0_B = (0x1B << 21) | OPC_CP0, 949 OPC_C0_C = (0x1C << 21) | OPC_CP0, 950 OPC_C0_D = (0x1D << 21) | OPC_CP0, 951 OPC_C0_E = (0x1E << 21) | OPC_CP0, 952 OPC_C0_F = (0x1F << 21) | OPC_CP0, 953 }; 954 955 /* MFMC0 opcodes */ 956 #define MASK_MFMC0(op) (MASK_CP0(op) | (op & 0xFFFF)) 957 958 enum { 959 OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, 960 OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0, 961 OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0, 962 OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0, 963 OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0, 964 OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0, 965 OPC_DVP = 0x04 | (0 << 3) | (1 << 5) | (0 << 11) | OPC_MFMC0, 966 OPC_EVP = 0x04 | (0 << 3) | (0 << 5) | (0 << 11) | OPC_MFMC0, 967 }; 968 969 /* Coprocessor 0 (with rs == C0) */ 970 #define MASK_C0(op) (MASK_CP0(op) | (op & 0x3F)) 971 972 enum { 973 OPC_TLBR = 0x01 | OPC_C0, 974 OPC_TLBWI = 0x02 | OPC_C0, 975 OPC_TLBINV = 0x03 | OPC_C0, 976 OPC_TLBINVF = 0x04 | OPC_C0, 977 OPC_TLBWR = 0x06 | OPC_C0, 978 OPC_TLBP = 0x08 | OPC_C0, 979 OPC_RFE = 0x10 | OPC_C0, 980 OPC_ERET = 0x18 | OPC_C0, 981 OPC_DERET = 0x1F | OPC_C0, 982 OPC_WAIT = 0x20 | OPC_C0, 983 }; 984 985 #define MASK_CP2(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21))) 986 987 enum { 988 OPC_MFC2 = (0x00 << 21) | OPC_CP2, 989 OPC_DMFC2 = (0x01 << 21) | OPC_CP2, 990 OPC_CFC2 = (0x02 << 21) | OPC_CP2, 991 OPC_MFHC2 = (0x03 << 21) | OPC_CP2, 992 OPC_MTC2 = (0x04 << 21) | OPC_CP2, 993 OPC_DMTC2 = (0x05 << 21) | OPC_CP2, 994 OPC_CTC2 = (0x06 << 21) | OPC_CP2, 995 OPC_MTHC2 = (0x07 << 21) | OPC_CP2, 996 OPC_BC2 = (0x08 << 21) | OPC_CP2, 997 OPC_BC2EQZ = (0x09 << 21) | OPC_CP2, 998 OPC_BC2NEZ = (0x0D << 21) | OPC_CP2, 999 }; 1000 1001 #define MASK_LMMI(op) (MASK_OP_MAJOR(op) | (op & (0x1F << 21)) | (op & 0x1F)) 1002 1003 enum { 1004 OPC_PADDSH = (24 << 21) | (0x00) | OPC_CP2, 1005 OPC_PADDUSH = (25 << 21) | (0x00) | OPC_CP2, 1006 OPC_PADDH = (26 << 21) | (0x00) | OPC_CP2, 1007 OPC_PADDW = (27 << 21) | (0x00) | OPC_CP2, 1008 OPC_PADDSB = (28 << 21) | (0x00) | OPC_CP2, 1009 OPC_PADDUSB = (29 << 21) | (0x00) | OPC_CP2, 1010 OPC_PADDB = (30 << 21) | (0x00) | OPC_CP2, 1011 OPC_PADDD = (31 << 21) | (0x00) | OPC_CP2, 1012 1013 OPC_PSUBSH = (24 << 21) | (0x01) | OPC_CP2, 1014 OPC_PSUBUSH = (25 << 21) | (0x01) | OPC_CP2, 1015 OPC_PSUBH = (26 << 21) | (0x01) | OPC_CP2, 1016 OPC_PSUBW = (27 << 21) | (0x01) | OPC_CP2, 1017 OPC_PSUBSB = (28 << 21) | (0x01) | OPC_CP2, 1018 OPC_PSUBUSB = (29 << 21) | (0x01) | OPC_CP2, 1019 OPC_PSUBB = (30 << 21) | (0x01) | OPC_CP2, 1020 OPC_PSUBD = (31 << 21) | (0x01) | OPC_CP2, 1021 1022 OPC_PSHUFH = (24 << 21) | (0x02) | OPC_CP2, 1023 OPC_PACKSSWH = (25 << 21) | (0x02) | OPC_CP2, 1024 OPC_PACKSSHB = (26 << 21) | (0x02) | OPC_CP2, 1025 OPC_PACKUSHB = (27 << 21) | (0x02) | OPC_CP2, 1026 OPC_XOR_CP2 = (28 << 21) | (0x02) | OPC_CP2, 1027 OPC_NOR_CP2 = (29 << 21) | (0x02) | OPC_CP2, 1028 OPC_AND_CP2 = (30 << 21) | (0x02) | OPC_CP2, 1029 OPC_PANDN = (31 << 21) | (0x02) | OPC_CP2, 1030 1031 OPC_PUNPCKLHW = (24 << 21) | (0x03) | OPC_CP2, 1032 OPC_PUNPCKHHW = (25 << 21) | (0x03) | OPC_CP2, 1033 OPC_PUNPCKLBH = (26 << 21) | (0x03) | OPC_CP2, 1034 OPC_PUNPCKHBH = (27 << 21) | (0x03) | OPC_CP2, 1035 OPC_PINSRH_0 = (28 << 21) | (0x03) | OPC_CP2, 1036 OPC_PINSRH_1 = (29 << 21) | (0x03) | OPC_CP2, 1037 OPC_PINSRH_2 = (30 << 21) | (0x03) | OPC_CP2, 1038 OPC_PINSRH_3 = (31 << 21) | (0x03) | OPC_CP2, 1039 1040 OPC_PAVGH = (24 << 21) | (0x08) | OPC_CP2, 1041 OPC_PAVGB = (25 << 21) | (0x08) | OPC_CP2, 1042 OPC_PMAXSH = (26 << 21) | (0x08) | OPC_CP2, 1043 OPC_PMINSH = (27 << 21) | (0x08) | OPC_CP2, 1044 OPC_PMAXUB = (28 << 21) | (0x08) | OPC_CP2, 1045 OPC_PMINUB = (29 << 21) | (0x08) | OPC_CP2, 1046 1047 OPC_PCMPEQW = (24 << 21) | (0x09) | OPC_CP2, 1048 OPC_PCMPGTW = (25 << 21) | (0x09) | OPC_CP2, 1049 OPC_PCMPEQH = (26 << 21) | (0x09) | OPC_CP2, 1050 OPC_PCMPGTH = (27 << 21) | (0x09) | OPC_CP2, 1051 OPC_PCMPEQB = (28 << 21) | (0x09) | OPC_CP2, 1052 OPC_PCMPGTB = (29 << 21) | (0x09) | OPC_CP2, 1053 1054 OPC_PSLLW = (24 << 21) | (0x0A) | OPC_CP2, 1055 OPC_PSLLH = (25 << 21) | (0x0A) | OPC_CP2, 1056 OPC_PMULLH = (26 << 21) | (0x0A) | OPC_CP2, 1057 OPC_PMULHH = (27 << 21) | (0x0A) | OPC_CP2, 1058 OPC_PMULUW = (28 << 21) | (0x0A) | OPC_CP2, 1059 OPC_PMULHUH = (29 << 21) | (0x0A) | OPC_CP2, 1060 1061 OPC_PSRLW = (24 << 21) | (0x0B) | OPC_CP2, 1062 OPC_PSRLH = (25 << 21) | (0x0B) | OPC_CP2, 1063 OPC_PSRAW = (26 << 21) | (0x0B) | OPC_CP2, 1064 OPC_PSRAH = (27 << 21) | (0x0B) | OPC_CP2, 1065 OPC_PUNPCKLWD = (28 << 21) | (0x0B) | OPC_CP2, 1066 OPC_PUNPCKHWD = (29 << 21) | (0x0B) | OPC_CP2, 1067 1068 OPC_ADDU_CP2 = (24 << 21) | (0x0C) | OPC_CP2, 1069 OPC_OR_CP2 = (25 << 21) | (0x0C) | OPC_CP2, 1070 OPC_ADD_CP2 = (26 << 21) | (0x0C) | OPC_CP2, 1071 OPC_DADD_CP2 = (27 << 21) | (0x0C) | OPC_CP2, 1072 OPC_SEQU_CP2 = (28 << 21) | (0x0C) | OPC_CP2, 1073 OPC_SEQ_CP2 = (29 << 21) | (0x0C) | OPC_CP2, 1074 1075 OPC_SUBU_CP2 = (24 << 21) | (0x0D) | OPC_CP2, 1076 OPC_PASUBUB = (25 << 21) | (0x0D) | OPC_CP2, 1077 OPC_SUB_CP2 = (26 << 21) | (0x0D) | OPC_CP2, 1078 OPC_DSUB_CP2 = (27 << 21) | (0x0D) | OPC_CP2, 1079 OPC_SLTU_CP2 = (28 << 21) | (0x0D) | OPC_CP2, 1080 OPC_SLT_CP2 = (29 << 21) | (0x0D) | OPC_CP2, 1081 1082 OPC_SLL_CP2 = (24 << 21) | (0x0E) | OPC_CP2, 1083 OPC_DSLL_CP2 = (25 << 21) | (0x0E) | OPC_CP2, 1084 OPC_PEXTRH = (26 << 21) | (0x0E) | OPC_CP2, 1085 OPC_PMADDHW = (27 << 21) | (0x0E) | OPC_CP2, 1086 OPC_SLEU_CP2 = (28 << 21) | (0x0E) | OPC_CP2, 1087 OPC_SLE_CP2 = (29 << 21) | (0x0E) | OPC_CP2, 1088 1089 OPC_SRL_CP2 = (24 << 21) | (0x0F) | OPC_CP2, 1090 OPC_DSRL_CP2 = (25 << 21) | (0x0F) | OPC_CP2, 1091 OPC_SRA_CP2 = (26 << 21) | (0x0F) | OPC_CP2, 1092 OPC_DSRA_CP2 = (27 << 21) | (0x0F) | OPC_CP2, 1093 OPC_BIADD = (28 << 21) | (0x0F) | OPC_CP2, 1094 OPC_PMOVMSKB = (29 << 21) | (0x0F) | OPC_CP2, 1095 }; 1096 1097 1098 #define MASK_CP3(op) (MASK_OP_MAJOR(op) | (op & 0x3F)) 1099 1100 enum { 1101 OPC_LWXC1 = 0x00 | OPC_CP3, 1102 OPC_LDXC1 = 0x01 | OPC_CP3, 1103 OPC_LUXC1 = 0x05 | OPC_CP3, 1104 OPC_SWXC1 = 0x08 | OPC_CP3, 1105 OPC_SDXC1 = 0x09 | OPC_CP3, 1106 OPC_SUXC1 = 0x0D | OPC_CP3, 1107 OPC_PREFX = 0x0F | OPC_CP3, 1108 OPC_ALNV_PS = 0x1E | OPC_CP3, 1109 OPC_MADD_S = 0x20 | OPC_CP3, 1110 OPC_MADD_D = 0x21 | OPC_CP3, 1111 OPC_MADD_PS = 0x26 | OPC_CP3, 1112 OPC_MSUB_S = 0x28 | OPC_CP3, 1113 OPC_MSUB_D = 0x29 | OPC_CP3, 1114 OPC_MSUB_PS = 0x2E | OPC_CP3, 1115 OPC_NMADD_S = 0x30 | OPC_CP3, 1116 OPC_NMADD_D = 0x31 | OPC_CP3, 1117 OPC_NMADD_PS = 0x36 | OPC_CP3, 1118 OPC_NMSUB_S = 0x38 | OPC_CP3, 1119 OPC_NMSUB_D = 0x39 | OPC_CP3, 1120 OPC_NMSUB_PS = 0x3E | OPC_CP3, 1121 }; 1122 1123 /* 1124 * MMI (MultiMedia Instruction) encodings 1125 * ====================================== 1126 * 1127 * MMI instructions encoding table keys: 1128 * 1129 * * This code is reserved for future use. An attempt to execute it 1130 * causes a Reserved Instruction exception. 1131 * % This code indicates an instruction class. The instruction word 1132 * must be further decoded by examining additional tables that show 1133 * the values for other instruction fields. 1134 * # This code is reserved for the unsupported instructions DMULT, 1135 * DMULTU, DDIV, DDIVU, LL, LLD, SC, SCD, LWC2 and SWC2. An attempt 1136 * to execute it causes a Reserved Instruction exception. 1137 * 1138 * MMI instructions encoded by opcode field (MMI, LQ, SQ): 1139 * 1140 * 31 26 0 1141 * +--------+----------------------------------------+ 1142 * | opcode | | 1143 * +--------+----------------------------------------+ 1144 * 1145 * opcode bits 28..26 1146 * bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 1147 * 31..29 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 1148 * -------+-------+-------+-------+-------+-------+-------+-------+------- 1149 * 0 000 |SPECIAL| REGIMM| J | JAL | BEQ | BNE | BLEZ | BGTZ 1150 * 1 001 | ADDI | ADDIU | SLTI | SLTIU | ANDI | ORI | XORI | LUI 1151 * 2 010 | COP0 | COP1 | * | * | BEQL | BNEL | BLEZL | BGTZL 1152 * 3 011 | DADDI | DADDIU| LDL | LDR | MMI% | * | LQ | SQ 1153 * 4 100 | LB | LH | LWL | LW | LBU | LHU | LWR | LWU 1154 * 5 101 | SB | SH | SWL | SW | SDL | SDR | SWR | CACHE 1155 * 6 110 | # | LWC1 | # | PREF | # | LDC1 | # | LD 1156 * 7 111 | # | SWC1 | # | * | # | SDC1 | # | SD 1157 */ 1158 1159 enum { 1160 MMI_OPC_CLASS_MMI = 0x1C << 26, /* Same as OPC_SPECIAL2 */ 1161 MMI_OPC_SQ = 0x1F << 26, /* Same as OPC_SPECIAL3 */ 1162 }; 1163 1164 /* 1165 * MMI instructions with opcode field = MMI: 1166 * 1167 * 31 26 5 0 1168 * +--------+-------------------------------+--------+ 1169 * | MMI | |function| 1170 * +--------+-------------------------------+--------+ 1171 * 1172 * function bits 2..0 1173 * bits | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 1174 * 5..3 | 000 | 001 | 010 | 011 | 100 | 101 | 110 | 111 1175 * -------+-------+-------+-------+-------+-------+-------+-------+------- 1176 * 0 000 | MADD | MADDU | * | * | PLZCW | * | * | * 1177 * 1 001 | MMI0% | MMI2% | * | * | * | * | * | * 1178 * 2 010 | MFHI1 | MTHI1 | MFLO1 | MTLO1 | * | * | * | * 1179 * 3 011 | MULT1 | MULTU1| DIV1 | DIVU1 | * | * | * | * 1180 * 4 100 | MADD1 | MADDU1| * | * | * | * | * | * 1181 * 5 101 | MMI1% | MMI3% | * | * | * | * | * | * 1182 * 6 110 | PMFHL | PMTHL | * | * | PSLLH | * | PSRLH | PSRAH 1183 * 7 111 | * | * | * | * | PSLLW | * | PSRLW | PSRAW 1184 */ 1185 1186 #define MASK_MMI(op) (MASK_OP_MAJOR(op) | ((op) & 0x3F)) 1187 enum { 1188 MMI_OPC_MADD = 0x00 | MMI_OPC_CLASS_MMI, /* Same as OPC_MADD */ 1189 MMI_OPC_MADDU = 0x01 | MMI_OPC_CLASS_MMI, /* Same as OPC_MADDU */ 1190 MMI_OPC_MULT1 = 0x18 | MMI_OPC_CLASS_MMI, /* Same minor as OPC_MULT */ 1191 MMI_OPC_MULTU1 = 0x19 | MMI_OPC_CLASS_MMI, /* Same min. as OPC_MULTU */ 1192 MMI_OPC_DIV1 = 0x1A | MMI_OPC_CLASS_MMI, /* Same minor as OPC_DIV */ 1193 MMI_OPC_DIVU1 = 0x1B | MMI_OPC_CLASS_MMI, /* Same minor as OPC_DIVU */ 1194 MMI_OPC_MADD1 = 0x20 | MMI_OPC_CLASS_MMI, 1195 MMI_OPC_MADDU1 = 0x21 | MMI_OPC_CLASS_MMI, 1196 }; 1197 1198 /* global register indices */ 1199 TCGv cpu_gpr[32], cpu_PC; 1200 /* 1201 * For CPUs using 128-bit GPR registers, we put the lower halves in cpu_gpr[]) 1202 * and the upper halves in cpu_gpr_hi[]. 1203 */ 1204 TCGv_i64 cpu_gpr_hi[32]; 1205 TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC]; 1206 static TCGv cpu_dspctrl, btarget; 1207 TCGv bcond; 1208 static TCGv cpu_lladdr, cpu_llval; 1209 static TCGv_i32 hflags; 1210 TCGv_i32 fpu_fcr0, fpu_fcr31; 1211 TCGv_i64 fpu_f64[32]; 1212 1213 static const char regnames_HI[][4] = { 1214 "HI0", "HI1", "HI2", "HI3", 1215 }; 1216 1217 static const char regnames_LO[][4] = { 1218 "LO0", "LO1", "LO2", "LO3", 1219 }; 1220 1221 /* General purpose registers moves. */ 1222 void gen_load_gpr(TCGv t, int reg) 1223 { 1224 assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr)); 1225 if (reg == 0) { 1226 tcg_gen_movi_tl(t, 0); 1227 } else { 1228 tcg_gen_mov_tl(t, cpu_gpr[reg]); 1229 } 1230 } 1231 1232 void gen_store_gpr(TCGv t, int reg) 1233 { 1234 assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr)); 1235 if (reg != 0) { 1236 tcg_gen_mov_tl(cpu_gpr[reg], t); 1237 } 1238 } 1239 1240 #if defined(TARGET_MIPS64) 1241 void gen_load_gpr_hi(TCGv_i64 t, int reg) 1242 { 1243 assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr_hi)); 1244 if (reg == 0) { 1245 tcg_gen_movi_i64(t, 0); 1246 } else { 1247 tcg_gen_mov_i64(t, cpu_gpr_hi[reg]); 1248 } 1249 } 1250 1251 void gen_store_gpr_hi(TCGv_i64 t, int reg) 1252 { 1253 assert(reg >= 0 && reg <= ARRAY_SIZE(cpu_gpr_hi)); 1254 if (reg != 0) { 1255 tcg_gen_mov_i64(cpu_gpr_hi[reg], t); 1256 } 1257 } 1258 #endif /* TARGET_MIPS64 */ 1259 1260 /* Moves to/from shadow registers. */ 1261 static inline void gen_load_srsgpr(int from, int to) 1262 { 1263 TCGv t0 = tcg_temp_new(); 1264 1265 if (from == 0) { 1266 tcg_gen_movi_tl(t0, 0); 1267 } else { 1268 TCGv_i32 t2 = tcg_temp_new_i32(); 1269 TCGv_ptr addr = tcg_temp_new_ptr(); 1270 1271 tcg_gen_ld_i32(t2, tcg_env, offsetof(CPUMIPSState, CP0_SRSCtl)); 1272 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); 1273 tcg_gen_andi_i32(t2, t2, 0xf); 1274 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); 1275 tcg_gen_ext_i32_ptr(addr, t2); 1276 tcg_gen_add_ptr(addr, tcg_env, addr); 1277 1278 tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from); 1279 } 1280 gen_store_gpr(t0, to); 1281 } 1282 1283 static inline void gen_store_srsgpr(int from, int to) 1284 { 1285 if (to != 0) { 1286 TCGv t0 = tcg_temp_new(); 1287 TCGv_i32 t2 = tcg_temp_new_i32(); 1288 TCGv_ptr addr = tcg_temp_new_ptr(); 1289 1290 gen_load_gpr(t0, from); 1291 tcg_gen_ld_i32(t2, tcg_env, offsetof(CPUMIPSState, CP0_SRSCtl)); 1292 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS); 1293 tcg_gen_andi_i32(t2, t2, 0xf); 1294 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32); 1295 tcg_gen_ext_i32_ptr(addr, t2); 1296 tcg_gen_add_ptr(addr, tcg_env, addr); 1297 1298 tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to); 1299 } 1300 } 1301 1302 /* Tests */ 1303 static inline void gen_save_pc(target_ulong pc) 1304 { 1305 tcg_gen_movi_tl(cpu_PC, pc); 1306 } 1307 1308 static inline void save_cpu_state(DisasContext *ctx, int do_save_pc) 1309 { 1310 LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags); 1311 if (do_save_pc && ctx->base.pc_next != ctx->saved_pc) { 1312 gen_save_pc(ctx->base.pc_next); 1313 ctx->saved_pc = ctx->base.pc_next; 1314 } 1315 if (ctx->hflags != ctx->saved_hflags) { 1316 tcg_gen_movi_i32(hflags, ctx->hflags); 1317 ctx->saved_hflags = ctx->hflags; 1318 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) { 1319 case MIPS_HFLAG_BR: 1320 break; 1321 case MIPS_HFLAG_BC: 1322 case MIPS_HFLAG_BL: 1323 case MIPS_HFLAG_B: 1324 tcg_gen_movi_tl(btarget, ctx->btarget); 1325 break; 1326 } 1327 } 1328 } 1329 1330 static inline void restore_cpu_state(CPUMIPSState *env, DisasContext *ctx) 1331 { 1332 ctx->saved_hflags = ctx->hflags; 1333 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) { 1334 case MIPS_HFLAG_BR: 1335 break; 1336 case MIPS_HFLAG_BC: 1337 case MIPS_HFLAG_BL: 1338 case MIPS_HFLAG_B: 1339 ctx->btarget = env->btarget; 1340 break; 1341 } 1342 } 1343 1344 void generate_exception_err(DisasContext *ctx, int excp, int err) 1345 { 1346 save_cpu_state(ctx, 1); 1347 gen_helper_raise_exception_err(tcg_env, tcg_constant_i32(excp), 1348 tcg_constant_i32(err)); 1349 ctx->base.is_jmp = DISAS_NORETURN; 1350 } 1351 1352 void generate_exception(DisasContext *ctx, int excp) 1353 { 1354 gen_helper_raise_exception(tcg_env, tcg_constant_i32(excp)); 1355 } 1356 1357 void generate_exception_end(DisasContext *ctx, int excp) 1358 { 1359 generate_exception_err(ctx, excp, 0); 1360 } 1361 1362 void generate_exception_break(DisasContext *ctx, int code) 1363 { 1364 #ifdef CONFIG_USER_ONLY 1365 /* Pass the break code along to cpu_loop. */ 1366 tcg_gen_st_i32(tcg_constant_i32(code), tcg_env, 1367 offsetof(CPUMIPSState, error_code)); 1368 #endif 1369 generate_exception_end(ctx, EXCP_BREAK); 1370 } 1371 1372 void gen_reserved_instruction(DisasContext *ctx) 1373 { 1374 generate_exception_end(ctx, EXCP_RI); 1375 } 1376 1377 /* Floating point register moves. */ 1378 void gen_load_fpr32(DisasContext *ctx, TCGv_i32 t, int reg) 1379 { 1380 if (ctx->hflags & MIPS_HFLAG_FRE) { 1381 generate_exception(ctx, EXCP_RI); 1382 } 1383 tcg_gen_extrl_i64_i32(t, fpu_f64[reg]); 1384 } 1385 1386 void gen_store_fpr32(DisasContext *ctx, TCGv_i32 t, int reg) 1387 { 1388 TCGv_i64 t64; 1389 if (ctx->hflags & MIPS_HFLAG_FRE) { 1390 generate_exception(ctx, EXCP_RI); 1391 } 1392 t64 = tcg_temp_new_i64(); 1393 tcg_gen_extu_i32_i64(t64, t); 1394 tcg_gen_deposit_i64(fpu_f64[reg], fpu_f64[reg], t64, 0, 32); 1395 } 1396 1397 static void gen_load_fpr32h(DisasContext *ctx, TCGv_i32 t, int reg) 1398 { 1399 if (ctx->hflags & MIPS_HFLAG_F64) { 1400 tcg_gen_extrh_i64_i32(t, fpu_f64[reg]); 1401 } else { 1402 gen_load_fpr32(ctx, t, reg | 1); 1403 } 1404 } 1405 1406 static void gen_store_fpr32h(DisasContext *ctx, TCGv_i32 t, int reg) 1407 { 1408 if (ctx->hflags & MIPS_HFLAG_F64) { 1409 TCGv_i64 t64 = tcg_temp_new_i64(); 1410 tcg_gen_extu_i32_i64(t64, t); 1411 tcg_gen_deposit_i64(fpu_f64[reg], fpu_f64[reg], t64, 32, 32); 1412 } else { 1413 gen_store_fpr32(ctx, t, reg | 1); 1414 } 1415 } 1416 1417 void gen_load_fpr64(DisasContext *ctx, TCGv_i64 t, int reg) 1418 { 1419 if (ctx->hflags & MIPS_HFLAG_F64) { 1420 tcg_gen_mov_i64(t, fpu_f64[reg]); 1421 } else { 1422 tcg_gen_concat32_i64(t, fpu_f64[reg & ~1], fpu_f64[reg | 1]); 1423 } 1424 } 1425 1426 void gen_store_fpr64(DisasContext *ctx, TCGv_i64 t, int reg) 1427 { 1428 if (ctx->hflags & MIPS_HFLAG_F64) { 1429 tcg_gen_mov_i64(fpu_f64[reg], t); 1430 } else { 1431 TCGv_i64 t0; 1432 tcg_gen_deposit_i64(fpu_f64[reg & ~1], fpu_f64[reg & ~1], t, 0, 32); 1433 t0 = tcg_temp_new_i64(); 1434 tcg_gen_shri_i64(t0, t, 32); 1435 tcg_gen_deposit_i64(fpu_f64[reg | 1], fpu_f64[reg | 1], t0, 0, 32); 1436 } 1437 } 1438 1439 int get_fp_bit(int cc) 1440 { 1441 if (cc) { 1442 return 24 + cc; 1443 } else { 1444 return 23; 1445 } 1446 } 1447 1448 /* Addresses computation */ 1449 void gen_op_addr_add(DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1) 1450 { 1451 tcg_gen_add_tl(ret, arg0, arg1); 1452 1453 #if defined(TARGET_MIPS64) 1454 if (ctx->hflags & MIPS_HFLAG_AWRAP) { 1455 tcg_gen_ext32s_i64(ret, ret); 1456 } 1457 #endif 1458 } 1459 1460 static inline void gen_op_addr_addi(DisasContext *ctx, TCGv ret, TCGv base, 1461 target_long ofs) 1462 { 1463 tcg_gen_addi_tl(ret, base, ofs); 1464 1465 #if defined(TARGET_MIPS64) 1466 if (ctx->hflags & MIPS_HFLAG_AWRAP) { 1467 tcg_gen_ext32s_i64(ret, ret); 1468 } 1469 #endif 1470 } 1471 1472 /* Addresses computation (translation time) */ 1473 static target_long addr_add(DisasContext *ctx, target_long base, 1474 target_long offset) 1475 { 1476 target_long sum = base + offset; 1477 1478 #if defined(TARGET_MIPS64) 1479 if (ctx->hflags & MIPS_HFLAG_AWRAP) { 1480 sum = (int32_t)sum; 1481 } 1482 #endif 1483 return sum; 1484 } 1485 1486 /* Sign-extract the low 32-bits to a target_long. */ 1487 void gen_move_low32(TCGv ret, TCGv_i64 arg) 1488 { 1489 #if defined(TARGET_MIPS64) 1490 tcg_gen_ext32s_i64(ret, arg); 1491 #else 1492 tcg_gen_extrl_i64_i32(ret, arg); 1493 #endif 1494 } 1495 1496 /* Sign-extract the high 32-bits to a target_long. */ 1497 void gen_move_high32(TCGv ret, TCGv_i64 arg) 1498 { 1499 #if defined(TARGET_MIPS64) 1500 tcg_gen_sari_i64(ret, arg, 32); 1501 #else 1502 tcg_gen_extrh_i64_i32(ret, arg); 1503 #endif 1504 } 1505 1506 bool check_cp0_enabled(DisasContext *ctx) 1507 { 1508 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) { 1509 generate_exception_end(ctx, EXCP_CpU); 1510 return false; 1511 } 1512 return true; 1513 } 1514 1515 void check_cp1_enabled(DisasContext *ctx) 1516 { 1517 if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU))) { 1518 generate_exception_err(ctx, EXCP_CpU, 1); 1519 } 1520 } 1521 1522 /* 1523 * Verify that the processor is running with COP1X instructions enabled. 1524 * This is associated with the nabla symbol in the MIPS32 and MIPS64 1525 * opcode tables. 1526 */ 1527 void check_cop1x(DisasContext *ctx) 1528 { 1529 if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X))) { 1530 gen_reserved_instruction(ctx); 1531 } 1532 } 1533 1534 /* 1535 * Verify that the processor is running with 64-bit floating-point 1536 * operations enabled. 1537 */ 1538 void check_cp1_64bitmode(DisasContext *ctx) 1539 { 1540 if (unlikely(~ctx->hflags & MIPS_HFLAG_F64)) { 1541 gen_reserved_instruction(ctx); 1542 } 1543 } 1544 1545 /* 1546 * Verify if floating point register is valid; an operation is not defined 1547 * if bit 0 of any register specification is set and the FR bit in the 1548 * Status register equals zero, since the register numbers specify an 1549 * even-odd pair of adjacent coprocessor general registers. When the FR bit 1550 * in the Status register equals one, both even and odd register numbers 1551 * are valid. This limitation exists only for 64 bit wide (d,l,ps) registers. 1552 * 1553 * Multiple 64 bit wide registers can be checked by calling 1554 * gen_op_cp1_registers(freg1 | freg2 | ... | fregN); 1555 */ 1556 void check_cp1_registers(DisasContext *ctx, int regs) 1557 { 1558 if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1))) { 1559 gen_reserved_instruction(ctx); 1560 } 1561 } 1562 1563 /* 1564 * Verify that the processor is running with DSP instructions enabled. 1565 * This is enabled by CP0 Status register MX(24) bit. 1566 */ 1567 static inline void check_dsp(DisasContext *ctx) 1568 { 1569 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP))) { 1570 if (ctx->insn_flags & ASE_DSP) { 1571 generate_exception_end(ctx, EXCP_DSPDIS); 1572 } else { 1573 gen_reserved_instruction(ctx); 1574 } 1575 } 1576 } 1577 1578 static inline void check_dsp_r2(DisasContext *ctx) 1579 { 1580 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP_R2))) { 1581 if (ctx->insn_flags & ASE_DSP) { 1582 generate_exception_end(ctx, EXCP_DSPDIS); 1583 } else { 1584 gen_reserved_instruction(ctx); 1585 } 1586 } 1587 } 1588 1589 static inline void check_dsp_r3(DisasContext *ctx) 1590 { 1591 if (unlikely(!(ctx->hflags & MIPS_HFLAG_DSP_R3))) { 1592 if (ctx->insn_flags & ASE_DSP) { 1593 generate_exception_end(ctx, EXCP_DSPDIS); 1594 } else { 1595 gen_reserved_instruction(ctx); 1596 } 1597 } 1598 } 1599 1600 /* 1601 * This code generates a "reserved instruction" exception if the 1602 * CPU does not support the instruction set corresponding to flags. 1603 */ 1604 void check_insn(DisasContext *ctx, uint64_t flags) 1605 { 1606 if (unlikely(!(ctx->insn_flags & flags))) { 1607 gen_reserved_instruction(ctx); 1608 } 1609 } 1610 1611 /* 1612 * This code generates a "reserved instruction" exception if the 1613 * CPU has corresponding flag set which indicates that the instruction 1614 * has been removed. 1615 */ 1616 static inline void check_insn_opc_removed(DisasContext *ctx, uint64_t flags) 1617 { 1618 if (unlikely(ctx->insn_flags & flags)) { 1619 gen_reserved_instruction(ctx); 1620 } 1621 } 1622 1623 /* 1624 * The Linux kernel traps certain reserved instruction exceptions to 1625 * emulate the corresponding instructions. QEMU is the kernel in user 1626 * mode, so those traps are emulated by accepting the instructions. 1627 * 1628 * A reserved instruction exception is generated for flagged CPUs if 1629 * QEMU runs in system mode. 1630 */ 1631 static inline void check_insn_opc_user_only(DisasContext *ctx, uint64_t flags) 1632 { 1633 #ifndef CONFIG_USER_ONLY 1634 check_insn_opc_removed(ctx, flags); 1635 #endif 1636 } 1637 1638 /* 1639 * This code generates a "reserved instruction" exception if the 1640 * CPU does not support 64-bit paired-single (PS) floating point data type. 1641 */ 1642 static inline void check_ps(DisasContext *ctx) 1643 { 1644 if (unlikely(!ctx->ps)) { 1645 generate_exception(ctx, EXCP_RI); 1646 } 1647 check_cp1_64bitmode(ctx); 1648 } 1649 1650 /* 1651 * This code generates a "reserved instruction" exception if cpu is not 1652 * 64-bit or 64-bit instructions are not enabled. 1653 */ 1654 void check_mips_64(DisasContext *ctx) 1655 { 1656 if (unlikely((TARGET_LONG_BITS != 64) || !(ctx->hflags & MIPS_HFLAG_64))) { 1657 gen_reserved_instruction(ctx); 1658 } 1659 } 1660 1661 #ifndef CONFIG_USER_ONLY 1662 static inline void check_mvh(DisasContext *ctx) 1663 { 1664 if (unlikely(!ctx->mvh)) { 1665 generate_exception(ctx, EXCP_RI); 1666 } 1667 } 1668 #endif 1669 1670 /* 1671 * This code generates a "reserved instruction" exception if the 1672 * Config5 XNP bit is set. 1673 */ 1674 static inline void check_xnp(DisasContext *ctx) 1675 { 1676 if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_XNP))) { 1677 gen_reserved_instruction(ctx); 1678 } 1679 } 1680 1681 #ifndef CONFIG_USER_ONLY 1682 /* 1683 * This code generates a "reserved instruction" exception if the 1684 * Config3 PW bit is NOT set. 1685 */ 1686 static inline void check_pw(DisasContext *ctx) 1687 { 1688 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_PW)))) { 1689 gen_reserved_instruction(ctx); 1690 } 1691 } 1692 #endif 1693 1694 /* 1695 * This code generates a "reserved instruction" exception if the 1696 * Config3 MT bit is NOT set. 1697 */ 1698 static inline void check_mt(DisasContext *ctx) 1699 { 1700 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_MT)))) { 1701 gen_reserved_instruction(ctx); 1702 } 1703 } 1704 1705 #ifndef CONFIG_USER_ONLY 1706 /* 1707 * This code generates a "coprocessor unusable" exception if CP0 is not 1708 * available, and, if that is not the case, generates a "reserved instruction" 1709 * exception if the Config5 MT bit is NOT set. This is needed for availability 1710 * control of some of MT ASE instructions. 1711 */ 1712 static inline void check_cp0_mt(DisasContext *ctx) 1713 { 1714 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0))) { 1715 generate_exception_end(ctx, EXCP_CpU); 1716 } else { 1717 if (unlikely(!(ctx->CP0_Config3 & (1 << CP0C3_MT)))) { 1718 gen_reserved_instruction(ctx); 1719 } 1720 } 1721 } 1722 #endif 1723 1724 /* 1725 * This code generates a "reserved instruction" exception if the 1726 * Config5 NMS bit is set. 1727 */ 1728 static inline void check_nms(DisasContext *ctx) 1729 { 1730 if (unlikely(ctx->CP0_Config5 & (1 << CP0C5_NMS))) { 1731 gen_reserved_instruction(ctx); 1732 } 1733 } 1734 1735 /* 1736 * This code generates a "reserved instruction" exception if the 1737 * Config5 NMS bit is set, and Config1 DL, Config1 IL, Config2 SL, 1738 * Config2 TL, and Config5 L2C are unset. 1739 */ 1740 static inline void check_nms_dl_il_sl_tl_l2c(DisasContext *ctx) 1741 { 1742 if (unlikely((ctx->CP0_Config5 & (1 << CP0C5_NMS)) && 1743 !(ctx->CP0_Config1 & (1 << CP0C1_DL)) && 1744 !(ctx->CP0_Config1 & (1 << CP0C1_IL)) && 1745 !(ctx->CP0_Config2 & (1 << CP0C2_SL)) && 1746 !(ctx->CP0_Config2 & (1 << CP0C2_TL)) && 1747 !(ctx->CP0_Config5 & (1 << CP0C5_L2C)))) { 1748 gen_reserved_instruction(ctx); 1749 } 1750 } 1751 1752 /* 1753 * This code generates a "reserved instruction" exception if the 1754 * Config5 EVA bit is NOT set. 1755 */ 1756 static inline void check_eva(DisasContext *ctx) 1757 { 1758 if (unlikely(!(ctx->CP0_Config5 & (1 << CP0C5_EVA)))) { 1759 gen_reserved_instruction(ctx); 1760 } 1761 } 1762 1763 1764 /* 1765 * Define small wrappers for gen_load_fpr* so that we have a uniform 1766 * calling interface for 32 and 64-bit FPRs. No sense in changing 1767 * all callers for gen_load_fpr32 when we need the CTX parameter for 1768 * this one use. 1769 */ 1770 #define gen_ldcmp_fpr32(ctx, x, y) gen_load_fpr32(ctx, x, y) 1771 #define gen_ldcmp_fpr64(ctx, x, y) gen_load_fpr64(ctx, x, y) 1772 #define FOP_CONDS(type, abs, fmt, ifmt, bits) \ 1773 static inline void gen_cmp ## type ## _ ## fmt(DisasContext *ctx, int n, \ 1774 int ft, int fs, int cc) \ 1775 { \ 1776 TCGv_i##bits fp0 = tcg_temp_new_i##bits(); \ 1777 TCGv_i##bits fp1 = tcg_temp_new_i##bits(); \ 1778 switch (ifmt) { \ 1779 case FMT_PS: \ 1780 check_ps(ctx); \ 1781 break; \ 1782 case FMT_D: \ 1783 if (abs) { \ 1784 check_cop1x(ctx); \ 1785 } \ 1786 check_cp1_registers(ctx, fs | ft); \ 1787 break; \ 1788 case FMT_S: \ 1789 if (abs) { \ 1790 check_cop1x(ctx); \ 1791 } \ 1792 break; \ 1793 } \ 1794 gen_ldcmp_fpr##bits(ctx, fp0, fs); \ 1795 gen_ldcmp_fpr##bits(ctx, fp1, ft); \ 1796 switch (n) { \ 1797 case 0: \ 1798 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); \ 1799 break; \ 1800 case 1: \ 1801 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); \ 1802 break; \ 1803 case 2: \ 1804 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); \ 1805 break; \ 1806 case 3: \ 1807 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); \ 1808 break; \ 1809 case 4: \ 1810 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); \ 1811 break; \ 1812 case 5: \ 1813 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); \ 1814 break; \ 1815 case 6: \ 1816 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); \ 1817 break; \ 1818 case 7: \ 1819 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); \ 1820 break; \ 1821 case 8: \ 1822 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); \ 1823 break; \ 1824 case 9: \ 1825 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); \ 1826 break; \ 1827 case 10: \ 1828 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); \ 1829 break; \ 1830 case 11: \ 1831 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); \ 1832 break; \ 1833 case 12: \ 1834 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); \ 1835 break; \ 1836 case 13: \ 1837 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); \ 1838 break; \ 1839 case 14: \ 1840 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); \ 1841 break; \ 1842 case 15: \ 1843 gen_helper_0e2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); \ 1844 break; \ 1845 default: \ 1846 abort(); \ 1847 } \ 1848 } 1849 1850 FOP_CONDS(, 0, d, FMT_D, 64) 1851 FOP_CONDS(abs, 1, d, FMT_D, 64) 1852 FOP_CONDS(, 0, s, FMT_S, 32) 1853 FOP_CONDS(abs, 1, s, FMT_S, 32) 1854 FOP_CONDS(, 0, ps, FMT_PS, 64) 1855 FOP_CONDS(abs, 1, ps, FMT_PS, 64) 1856 #undef FOP_CONDS 1857 1858 #define FOP_CONDNS(fmt, ifmt, bits, STORE) \ 1859 static inline void gen_r6_cmp_ ## fmt(DisasContext *ctx, int n, \ 1860 int ft, int fs, int fd) \ 1861 { \ 1862 TCGv_i ## bits fp0 = tcg_temp_new_i ## bits(); \ 1863 TCGv_i ## bits fp1 = tcg_temp_new_i ## bits(); \ 1864 if (ifmt == FMT_D) { \ 1865 check_cp1_registers(ctx, fs | ft | fd); \ 1866 } \ 1867 gen_ldcmp_fpr ## bits(ctx, fp0, fs); \ 1868 gen_ldcmp_fpr ## bits(ctx, fp1, ft); \ 1869 switch (n) { \ 1870 case 0: \ 1871 gen_helper_r6_cmp_ ## fmt ## _af(fp0, tcg_env, fp0, fp1); \ 1872 break; \ 1873 case 1: \ 1874 gen_helper_r6_cmp_ ## fmt ## _un(fp0, tcg_env, fp0, fp1); \ 1875 break; \ 1876 case 2: \ 1877 gen_helper_r6_cmp_ ## fmt ## _eq(fp0, tcg_env, fp0, fp1); \ 1878 break; \ 1879 case 3: \ 1880 gen_helper_r6_cmp_ ## fmt ## _ueq(fp0, tcg_env, fp0, fp1); \ 1881 break; \ 1882 case 4: \ 1883 gen_helper_r6_cmp_ ## fmt ## _lt(fp0, tcg_env, fp0, fp1); \ 1884 break; \ 1885 case 5: \ 1886 gen_helper_r6_cmp_ ## fmt ## _ult(fp0, tcg_env, fp0, fp1); \ 1887 break; \ 1888 case 6: \ 1889 gen_helper_r6_cmp_ ## fmt ## _le(fp0, tcg_env, fp0, fp1); \ 1890 break; \ 1891 case 7: \ 1892 gen_helper_r6_cmp_ ## fmt ## _ule(fp0, tcg_env, fp0, fp1); \ 1893 break; \ 1894 case 8: \ 1895 gen_helper_r6_cmp_ ## fmt ## _saf(fp0, tcg_env, fp0, fp1); \ 1896 break; \ 1897 case 9: \ 1898 gen_helper_r6_cmp_ ## fmt ## _sun(fp0, tcg_env, fp0, fp1); \ 1899 break; \ 1900 case 10: \ 1901 gen_helper_r6_cmp_ ## fmt ## _seq(fp0, tcg_env, fp0, fp1); \ 1902 break; \ 1903 case 11: \ 1904 gen_helper_r6_cmp_ ## fmt ## _sueq(fp0, tcg_env, fp0, fp1); \ 1905 break; \ 1906 case 12: \ 1907 gen_helper_r6_cmp_ ## fmt ## _slt(fp0, tcg_env, fp0, fp1); \ 1908 break; \ 1909 case 13: \ 1910 gen_helper_r6_cmp_ ## fmt ## _sult(fp0, tcg_env, fp0, fp1); \ 1911 break; \ 1912 case 14: \ 1913 gen_helper_r6_cmp_ ## fmt ## _sle(fp0, tcg_env, fp0, fp1); \ 1914 break; \ 1915 case 15: \ 1916 gen_helper_r6_cmp_ ## fmt ## _sule(fp0, tcg_env, fp0, fp1); \ 1917 break; \ 1918 case 17: \ 1919 gen_helper_r6_cmp_ ## fmt ## _or(fp0, tcg_env, fp0, fp1); \ 1920 break; \ 1921 case 18: \ 1922 gen_helper_r6_cmp_ ## fmt ## _une(fp0, tcg_env, fp0, fp1); \ 1923 break; \ 1924 case 19: \ 1925 gen_helper_r6_cmp_ ## fmt ## _ne(fp0, tcg_env, fp0, fp1); \ 1926 break; \ 1927 case 25: \ 1928 gen_helper_r6_cmp_ ## fmt ## _sor(fp0, tcg_env, fp0, fp1); \ 1929 break; \ 1930 case 26: \ 1931 gen_helper_r6_cmp_ ## fmt ## _sune(fp0, tcg_env, fp0, fp1); \ 1932 break; \ 1933 case 27: \ 1934 gen_helper_r6_cmp_ ## fmt ## _sne(fp0, tcg_env, fp0, fp1); \ 1935 break; \ 1936 default: \ 1937 abort(); \ 1938 } \ 1939 STORE; \ 1940 } 1941 1942 FOP_CONDNS(d, FMT_D, 64, gen_store_fpr64(ctx, fp0, fd)) 1943 FOP_CONDNS(s, FMT_S, 32, gen_store_fpr32(ctx, fp0, fd)) 1944 #undef FOP_CONDNS 1945 #undef gen_ldcmp_fpr32 1946 #undef gen_ldcmp_fpr64 1947 1948 /* load/store instructions. */ 1949 #ifdef CONFIG_USER_ONLY 1950 #define OP_LD_ATOMIC(insn, memop) \ 1951 static inline void op_ld_##insn(TCGv ret, TCGv arg1, int mem_idx, \ 1952 DisasContext *ctx) \ 1953 { \ 1954 TCGv t0 = tcg_temp_new(); \ 1955 tcg_gen_mov_tl(t0, arg1); \ 1956 tcg_gen_qemu_ld_tl(ret, arg1, ctx->mem_idx, memop); \ 1957 tcg_gen_st_tl(t0, tcg_env, offsetof(CPUMIPSState, lladdr)); \ 1958 tcg_gen_st_tl(ret, tcg_env, offsetof(CPUMIPSState, llval)); \ 1959 } 1960 #else 1961 #define OP_LD_ATOMIC(insn, fname) \ 1962 static inline void op_ld_##insn(TCGv ret, TCGv arg1, int mem_idx, \ 1963 DisasContext *ctx) \ 1964 { \ 1965 gen_helper_##insn(ret, tcg_env, arg1, tcg_constant_i32(mem_idx)); \ 1966 } 1967 #endif 1968 OP_LD_ATOMIC(ll, MO_TESL); 1969 #if defined(TARGET_MIPS64) 1970 OP_LD_ATOMIC(lld, MO_TEUQ); 1971 #endif 1972 #undef OP_LD_ATOMIC 1973 1974 void gen_base_offset_addr(DisasContext *ctx, TCGv addr, int base, int offset) 1975 { 1976 if (base == 0) { 1977 tcg_gen_movi_tl(addr, offset); 1978 } else if (offset == 0) { 1979 gen_load_gpr(addr, base); 1980 } else { 1981 tcg_gen_movi_tl(addr, offset); 1982 gen_op_addr_add(ctx, addr, cpu_gpr[base], addr); 1983 } 1984 } 1985 1986 static target_ulong pc_relative_pc(DisasContext *ctx) 1987 { 1988 target_ulong pc = ctx->base.pc_next; 1989 1990 if (ctx->hflags & MIPS_HFLAG_BMASK) { 1991 int branch_bytes = ctx->hflags & MIPS_HFLAG_BDS16 ? 2 : 4; 1992 1993 pc -= branch_bytes; 1994 } 1995 1996 pc &= ~(target_ulong)3; 1997 return pc; 1998 } 1999 2000 /* LWL or LDL, depending on MemOp. */ 2001 static void gen_lxl(DisasContext *ctx, TCGv reg, TCGv addr, 2002 int mem_idx, MemOp mop) 2003 { 2004 int sizem1 = memop_size(mop) - 1; 2005 TCGv t0 = tcg_temp_new(); 2006 TCGv t1 = tcg_temp_new(); 2007 2008 /* 2009 * Do a byte access to possibly trigger a page 2010 * fault with the unaligned address. 2011 */ 2012 tcg_gen_qemu_ld_tl(t1, addr, mem_idx, MO_UB); 2013 tcg_gen_andi_tl(t1, addr, sizem1); 2014 if (!cpu_is_bigendian(ctx)) { 2015 tcg_gen_xori_tl(t1, t1, sizem1); 2016 } 2017 tcg_gen_shli_tl(t1, t1, 3); 2018 tcg_gen_andi_tl(t0, addr, ~sizem1); 2019 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, mop); 2020 tcg_gen_shl_tl(t0, t0, t1); 2021 tcg_gen_shl_tl(t1, tcg_constant_tl(-1), t1); 2022 tcg_gen_andc_tl(t1, reg, t1); 2023 tcg_gen_or_tl(reg, t0, t1); 2024 } 2025 2026 /* LWR or LDR, depending on MemOp. */ 2027 static void gen_lxr(DisasContext *ctx, TCGv reg, TCGv addr, 2028 int mem_idx, MemOp mop) 2029 { 2030 int size = memop_size(mop); 2031 int sizem1 = size - 1; 2032 TCGv t0 = tcg_temp_new(); 2033 TCGv t1 = tcg_temp_new(); 2034 2035 /* 2036 * Do a byte access to possibly trigger a page 2037 * fault with the unaligned address. 2038 */ 2039 tcg_gen_qemu_ld_tl(t1, addr, mem_idx, MO_UB); 2040 tcg_gen_andi_tl(t1, addr, sizem1); 2041 if (cpu_is_bigendian(ctx)) { 2042 tcg_gen_xori_tl(t1, t1, sizem1); 2043 } 2044 tcg_gen_shli_tl(t1, t1, 3); 2045 tcg_gen_andi_tl(t0, addr, ~sizem1); 2046 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, mop); 2047 tcg_gen_shr_tl(t0, t0, t1); 2048 tcg_gen_xori_tl(t1, t1, size * 8 - 1); 2049 tcg_gen_shl_tl(t1, tcg_constant_tl(~1), t1); 2050 tcg_gen_and_tl(t1, reg, t1); 2051 tcg_gen_or_tl(reg, t0, t1); 2052 } 2053 2054 /* Load */ 2055 static void gen_ld(DisasContext *ctx, uint32_t opc, 2056 int rt, int base, int offset) 2057 { 2058 TCGv t0, t1; 2059 int mem_idx = ctx->mem_idx; 2060 2061 if (rt == 0 && ctx->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F | 2062 INSN_LOONGSON3A)) { 2063 /* 2064 * Loongson CPU uses a load to zero register for prefetch. 2065 * We emulate it as a NOP. On other CPU we must perform the 2066 * actual memory access. 2067 */ 2068 return; 2069 } 2070 2071 t0 = tcg_temp_new(); 2072 gen_base_offset_addr(ctx, t0, base, offset); 2073 2074 switch (opc) { 2075 #if defined(TARGET_MIPS64) 2076 case OPC_LWU: 2077 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUL | 2078 ctx->default_tcg_memop_mask); 2079 gen_store_gpr(t0, rt); 2080 break; 2081 case OPC_LD: 2082 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUQ | 2083 ctx->default_tcg_memop_mask); 2084 gen_store_gpr(t0, rt); 2085 break; 2086 case OPC_LLD: 2087 case R6_OPC_LLD: 2088 op_ld_lld(t0, t0, mem_idx, ctx); 2089 gen_store_gpr(t0, rt); 2090 break; 2091 case OPC_LDL: 2092 t1 = tcg_temp_new(); 2093 gen_load_gpr(t1, rt); 2094 gen_lxl(ctx, t1, t0, mem_idx, MO_TEUQ); 2095 gen_store_gpr(t1, rt); 2096 break; 2097 case OPC_LDR: 2098 t1 = tcg_temp_new(); 2099 gen_load_gpr(t1, rt); 2100 gen_lxr(ctx, t1, t0, mem_idx, MO_TEUQ); 2101 gen_store_gpr(t1, rt); 2102 break; 2103 case OPC_LDPC: 2104 t1 = tcg_constant_tl(pc_relative_pc(ctx)); 2105 gen_op_addr_add(ctx, t0, t0, t1); 2106 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUQ); 2107 gen_store_gpr(t0, rt); 2108 break; 2109 #endif 2110 case OPC_LWPC: 2111 t1 = tcg_constant_tl(pc_relative_pc(ctx)); 2112 gen_op_addr_add(ctx, t0, t0, t1); 2113 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESL); 2114 gen_store_gpr(t0, rt); 2115 break; 2116 case OPC_LWE: 2117 mem_idx = MIPS_HFLAG_UM; 2118 /* fall through */ 2119 case OPC_LW: 2120 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESL | 2121 ctx->default_tcg_memop_mask); 2122 gen_store_gpr(t0, rt); 2123 break; 2124 case OPC_LHE: 2125 mem_idx = MIPS_HFLAG_UM; 2126 /* fall through */ 2127 case OPC_LH: 2128 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TESW | 2129 ctx->default_tcg_memop_mask); 2130 gen_store_gpr(t0, rt); 2131 break; 2132 case OPC_LHUE: 2133 mem_idx = MIPS_HFLAG_UM; 2134 /* fall through */ 2135 case OPC_LHU: 2136 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_TEUW | 2137 ctx->default_tcg_memop_mask); 2138 gen_store_gpr(t0, rt); 2139 break; 2140 case OPC_LBE: 2141 mem_idx = MIPS_HFLAG_UM; 2142 /* fall through */ 2143 case OPC_LB: 2144 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_SB); 2145 gen_store_gpr(t0, rt); 2146 break; 2147 case OPC_LBUE: 2148 mem_idx = MIPS_HFLAG_UM; 2149 /* fall through */ 2150 case OPC_LBU: 2151 tcg_gen_qemu_ld_tl(t0, t0, mem_idx, MO_UB); 2152 gen_store_gpr(t0, rt); 2153 break; 2154 case OPC_LWLE: 2155 mem_idx = MIPS_HFLAG_UM; 2156 /* fall through */ 2157 case OPC_LWL: 2158 t1 = tcg_temp_new(); 2159 gen_load_gpr(t1, rt); 2160 gen_lxl(ctx, t1, t0, mem_idx, MO_TEUL); 2161 tcg_gen_ext32s_tl(t1, t1); 2162 gen_store_gpr(t1, rt); 2163 break; 2164 case OPC_LWRE: 2165 mem_idx = MIPS_HFLAG_UM; 2166 /* fall through */ 2167 case OPC_LWR: 2168 t1 = tcg_temp_new(); 2169 gen_load_gpr(t1, rt); 2170 gen_lxr(ctx, t1, t0, mem_idx, MO_TEUL); 2171 tcg_gen_ext32s_tl(t1, t1); 2172 gen_store_gpr(t1, rt); 2173 break; 2174 case OPC_LLE: 2175 mem_idx = MIPS_HFLAG_UM; 2176 /* fall through */ 2177 case OPC_LL: 2178 case R6_OPC_LL: 2179 op_ld_ll(t0, t0, mem_idx, ctx); 2180 gen_store_gpr(t0, rt); 2181 break; 2182 } 2183 } 2184 2185 /* Store */ 2186 static void gen_st(DisasContext *ctx, uint32_t opc, int rt, 2187 int base, int offset) 2188 { 2189 TCGv t0 = tcg_temp_new(); 2190 TCGv t1 = tcg_temp_new(); 2191 int mem_idx = ctx->mem_idx; 2192 2193 gen_base_offset_addr(ctx, t0, base, offset); 2194 gen_load_gpr(t1, rt); 2195 switch (opc) { 2196 #if defined(TARGET_MIPS64) 2197 case OPC_SD: 2198 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUQ | 2199 ctx->default_tcg_memop_mask); 2200 break; 2201 case OPC_SDL: 2202 gen_helper_0e2i(sdl, t1, t0, mem_idx); 2203 break; 2204 case OPC_SDR: 2205 gen_helper_0e2i(sdr, t1, t0, mem_idx); 2206 break; 2207 #endif 2208 case OPC_SWE: 2209 mem_idx = MIPS_HFLAG_UM; 2210 /* fall through */ 2211 case OPC_SW: 2212 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUL | 2213 ctx->default_tcg_memop_mask); 2214 break; 2215 case OPC_SHE: 2216 mem_idx = MIPS_HFLAG_UM; 2217 /* fall through */ 2218 case OPC_SH: 2219 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_TEUW | 2220 ctx->default_tcg_memop_mask); 2221 break; 2222 case OPC_SBE: 2223 mem_idx = MIPS_HFLAG_UM; 2224 /* fall through */ 2225 case OPC_SB: 2226 tcg_gen_qemu_st_tl(t1, t0, mem_idx, MO_8); 2227 break; 2228 case OPC_SWLE: 2229 mem_idx = MIPS_HFLAG_UM; 2230 /* fall through */ 2231 case OPC_SWL: 2232 gen_helper_0e2i(swl, t1, t0, mem_idx); 2233 break; 2234 case OPC_SWRE: 2235 mem_idx = MIPS_HFLAG_UM; 2236 /* fall through */ 2237 case OPC_SWR: 2238 gen_helper_0e2i(swr, t1, t0, mem_idx); 2239 break; 2240 } 2241 } 2242 2243 2244 /* Store conditional */ 2245 static void gen_st_cond(DisasContext *ctx, int rt, int base, int offset, 2246 MemOp tcg_mo, bool eva) 2247 { 2248 TCGv addr, t0, val; 2249 TCGLabel *l1 = gen_new_label(); 2250 TCGLabel *done = gen_new_label(); 2251 2252 t0 = tcg_temp_new(); 2253 addr = tcg_temp_new(); 2254 /* compare the address against that of the preceding LL */ 2255 gen_base_offset_addr(ctx, addr, base, offset); 2256 tcg_gen_brcond_tl(TCG_COND_EQ, addr, cpu_lladdr, l1); 2257 tcg_gen_movi_tl(t0, 0); 2258 gen_store_gpr(t0, rt); 2259 tcg_gen_br(done); 2260 2261 gen_set_label(l1); 2262 /* generate cmpxchg */ 2263 val = tcg_temp_new(); 2264 gen_load_gpr(val, rt); 2265 tcg_gen_atomic_cmpxchg_tl(t0, cpu_lladdr, cpu_llval, val, 2266 eva ? MIPS_HFLAG_UM : ctx->mem_idx, tcg_mo); 2267 tcg_gen_setcond_tl(TCG_COND_EQ, t0, t0, cpu_llval); 2268 gen_store_gpr(t0, rt); 2269 2270 gen_set_label(done); 2271 } 2272 2273 /* Load and store */ 2274 static void gen_flt_ldst(DisasContext *ctx, uint32_t opc, int ft, 2275 TCGv t0) 2276 { 2277 /* 2278 * Don't do NOP if destination is zero: we must perform the actual 2279 * memory access. 2280 */ 2281 switch (opc) { 2282 case OPC_LWC1: 2283 { 2284 TCGv_i32 fp0 = tcg_temp_new_i32(); 2285 tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL | 2286 ctx->default_tcg_memop_mask); 2287 gen_store_fpr32(ctx, fp0, ft); 2288 } 2289 break; 2290 case OPC_SWC1: 2291 { 2292 TCGv_i32 fp0 = tcg_temp_new_i32(); 2293 gen_load_fpr32(ctx, fp0, ft); 2294 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL | 2295 ctx->default_tcg_memop_mask); 2296 } 2297 break; 2298 case OPC_LDC1: 2299 { 2300 TCGv_i64 fp0 = tcg_temp_new_i64(); 2301 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEUQ | 2302 ctx->default_tcg_memop_mask); 2303 gen_store_fpr64(ctx, fp0, ft); 2304 } 2305 break; 2306 case OPC_SDC1: 2307 { 2308 TCGv_i64 fp0 = tcg_temp_new_i64(); 2309 gen_load_fpr64(ctx, fp0, ft); 2310 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEUQ | 2311 ctx->default_tcg_memop_mask); 2312 } 2313 break; 2314 default: 2315 MIPS_INVAL("flt_ldst"); 2316 gen_reserved_instruction(ctx); 2317 break; 2318 } 2319 } 2320 2321 static void gen_cop1_ldst(DisasContext *ctx, uint32_t op, int rt, 2322 int rs, int16_t imm) 2323 { 2324 TCGv t0 = tcg_temp_new(); 2325 2326 if (ctx->CP0_Config1 & (1 << CP0C1_FP)) { 2327 check_cp1_enabled(ctx); 2328 switch (op) { 2329 case OPC_LDC1: 2330 case OPC_SDC1: 2331 check_insn(ctx, ISA_MIPS2); 2332 /* Fallthrough */ 2333 default: 2334 gen_base_offset_addr(ctx, t0, rs, imm); 2335 gen_flt_ldst(ctx, op, rt, t0); 2336 } 2337 } else { 2338 generate_exception_err(ctx, EXCP_CpU, 1); 2339 } 2340 } 2341 2342 /* Arithmetic with immediate operand */ 2343 static void gen_arith_imm(DisasContext *ctx, uint32_t opc, 2344 int rt, int rs, int imm) 2345 { 2346 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */ 2347 2348 if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) { 2349 /* 2350 * If no destination, treat it as a NOP. 2351 * For addi, we must generate the overflow exception when needed. 2352 */ 2353 return; 2354 } 2355 switch (opc) { 2356 case OPC_ADDI: 2357 { 2358 TCGv t0 = tcg_temp_new(); 2359 TCGv t1 = tcg_temp_new(); 2360 TCGv t2 = tcg_temp_new(); 2361 TCGLabel *l1 = gen_new_label(); 2362 2363 gen_load_gpr(t1, rs); 2364 tcg_gen_addi_tl(t0, t1, uimm); 2365 tcg_gen_ext32s_tl(t0, t0); 2366 2367 tcg_gen_xori_tl(t1, t1, ~uimm); 2368 tcg_gen_xori_tl(t2, t0, uimm); 2369 tcg_gen_and_tl(t1, t1, t2); 2370 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2371 /* operands of same sign, result different sign */ 2372 generate_exception(ctx, EXCP_OVERFLOW); 2373 gen_set_label(l1); 2374 tcg_gen_ext32s_tl(t0, t0); 2375 gen_store_gpr(t0, rt); 2376 } 2377 break; 2378 case OPC_ADDIU: 2379 if (rs != 0) { 2380 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2381 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 2382 } else { 2383 tcg_gen_movi_tl(cpu_gpr[rt], uimm); 2384 } 2385 break; 2386 #if defined(TARGET_MIPS64) 2387 case OPC_DADDI: 2388 { 2389 TCGv t0 = tcg_temp_new(); 2390 TCGv t1 = tcg_temp_new(); 2391 TCGv t2 = tcg_temp_new(); 2392 TCGLabel *l1 = gen_new_label(); 2393 2394 gen_load_gpr(t1, rs); 2395 tcg_gen_addi_tl(t0, t1, uimm); 2396 2397 tcg_gen_xori_tl(t1, t1, ~uimm); 2398 tcg_gen_xori_tl(t2, t0, uimm); 2399 tcg_gen_and_tl(t1, t1, t2); 2400 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2401 /* operands of same sign, result different sign */ 2402 generate_exception(ctx, EXCP_OVERFLOW); 2403 gen_set_label(l1); 2404 gen_store_gpr(t0, rt); 2405 } 2406 break; 2407 case OPC_DADDIU: 2408 if (rs != 0) { 2409 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2410 } else { 2411 tcg_gen_movi_tl(cpu_gpr[rt], uimm); 2412 } 2413 break; 2414 #endif 2415 } 2416 } 2417 2418 /* Logic with immediate operand */ 2419 static void gen_logic_imm(DisasContext *ctx, uint32_t opc, 2420 int rt, int rs, int16_t imm) 2421 { 2422 target_ulong uimm; 2423 2424 if (rt == 0) { 2425 /* If no destination, treat it as a NOP. */ 2426 return; 2427 } 2428 uimm = (uint16_t)imm; 2429 switch (opc) { 2430 case OPC_ANDI: 2431 if (likely(rs != 0)) { 2432 tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2433 } else { 2434 tcg_gen_movi_tl(cpu_gpr[rt], 0); 2435 } 2436 break; 2437 case OPC_ORI: 2438 if (rs != 0) { 2439 tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2440 } else { 2441 tcg_gen_movi_tl(cpu_gpr[rt], uimm); 2442 } 2443 break; 2444 case OPC_XORI: 2445 if (likely(rs != 0)) { 2446 tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm); 2447 } else { 2448 tcg_gen_movi_tl(cpu_gpr[rt], uimm); 2449 } 2450 break; 2451 case OPC_LUI: 2452 if (rs != 0 && (ctx->insn_flags & ISA_MIPS_R6)) { 2453 /* OPC_AUI */ 2454 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], imm << 16); 2455 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 2456 } else { 2457 tcg_gen_movi_tl(cpu_gpr[rt], imm << 16); 2458 } 2459 break; 2460 2461 default: 2462 break; 2463 } 2464 } 2465 2466 /* Set on less than with immediate operand */ 2467 static void gen_slt_imm(DisasContext *ctx, uint32_t opc, 2468 int rt, int rs, int16_t imm) 2469 { 2470 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */ 2471 TCGv t0; 2472 2473 if (rt == 0) { 2474 /* If no destination, treat it as a NOP. */ 2475 return; 2476 } 2477 t0 = tcg_temp_new(); 2478 gen_load_gpr(t0, rs); 2479 switch (opc) { 2480 case OPC_SLTI: 2481 tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr[rt], t0, uimm); 2482 break; 2483 case OPC_SLTIU: 2484 tcg_gen_setcondi_tl(TCG_COND_LTU, cpu_gpr[rt], t0, uimm); 2485 break; 2486 } 2487 } 2488 2489 /* Shifts with immediate operand */ 2490 static void gen_shift_imm(DisasContext *ctx, uint32_t opc, 2491 int rt, int rs, int16_t imm) 2492 { 2493 target_ulong uimm = ((uint16_t)imm) & 0x1f; 2494 TCGv t0; 2495 2496 if (rt == 0) { 2497 /* If no destination, treat it as a NOP. */ 2498 return; 2499 } 2500 2501 t0 = tcg_temp_new(); 2502 gen_load_gpr(t0, rs); 2503 switch (opc) { 2504 case OPC_SLL: 2505 tcg_gen_shli_tl(t0, t0, uimm); 2506 tcg_gen_ext32s_tl(cpu_gpr[rt], t0); 2507 break; 2508 case OPC_SRA: 2509 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); 2510 break; 2511 case OPC_SRL: 2512 if (uimm != 0) { 2513 tcg_gen_ext32u_tl(t0, t0); 2514 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); 2515 } else { 2516 tcg_gen_ext32s_tl(cpu_gpr[rt], t0); 2517 } 2518 break; 2519 case OPC_ROTR: 2520 if (uimm != 0) { 2521 TCGv_i32 t1 = tcg_temp_new_i32(); 2522 2523 tcg_gen_trunc_tl_i32(t1, t0); 2524 tcg_gen_rotri_i32(t1, t1, uimm); 2525 tcg_gen_ext_i32_tl(cpu_gpr[rt], t1); 2526 } else { 2527 tcg_gen_ext32s_tl(cpu_gpr[rt], t0); 2528 } 2529 break; 2530 #if defined(TARGET_MIPS64) 2531 case OPC_DSLL: 2532 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm); 2533 break; 2534 case OPC_DSRA: 2535 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm); 2536 break; 2537 case OPC_DSRL: 2538 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm); 2539 break; 2540 case OPC_DROTR: 2541 if (uimm != 0) { 2542 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm); 2543 } else { 2544 tcg_gen_mov_tl(cpu_gpr[rt], t0); 2545 } 2546 break; 2547 case OPC_DSLL32: 2548 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32); 2549 break; 2550 case OPC_DSRA32: 2551 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32); 2552 break; 2553 case OPC_DSRL32: 2554 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32); 2555 break; 2556 case OPC_DROTR32: 2557 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32); 2558 break; 2559 #endif 2560 } 2561 } 2562 2563 /* Arithmetic */ 2564 static void gen_arith(DisasContext *ctx, uint32_t opc, 2565 int rd, int rs, int rt) 2566 { 2567 if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB 2568 && opc != OPC_DADD && opc != OPC_DSUB) { 2569 /* 2570 * If no destination, treat it as a NOP. 2571 * For add & sub, we must generate the overflow exception when needed. 2572 */ 2573 return; 2574 } 2575 2576 switch (opc) { 2577 case OPC_ADD: 2578 { 2579 TCGv t0 = tcg_temp_new(); 2580 TCGv t1 = tcg_temp_new(); 2581 TCGv t2 = tcg_temp_new(); 2582 TCGLabel *l1 = gen_new_label(); 2583 2584 gen_load_gpr(t1, rs); 2585 gen_load_gpr(t2, rt); 2586 tcg_gen_add_tl(t0, t1, t2); 2587 tcg_gen_ext32s_tl(t0, t0); 2588 tcg_gen_xor_tl(t1, t1, t2); 2589 tcg_gen_xor_tl(t2, t0, t2); 2590 tcg_gen_andc_tl(t1, t2, t1); 2591 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2592 /* operands of same sign, result different sign */ 2593 generate_exception(ctx, EXCP_OVERFLOW); 2594 gen_set_label(l1); 2595 gen_store_gpr(t0, rd); 2596 } 2597 break; 2598 case OPC_ADDU: 2599 if (rs != 0 && rt != 0) { 2600 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2601 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 2602 } else if (rs == 0 && rt != 0) { 2603 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); 2604 } else if (rs != 0 && rt == 0) { 2605 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2606 } else { 2607 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2608 } 2609 break; 2610 case OPC_SUB: 2611 { 2612 TCGv t0 = tcg_temp_new(); 2613 TCGv t1 = tcg_temp_new(); 2614 TCGv t2 = tcg_temp_new(); 2615 TCGLabel *l1 = gen_new_label(); 2616 2617 gen_load_gpr(t1, rs); 2618 gen_load_gpr(t2, rt); 2619 tcg_gen_sub_tl(t0, t1, t2); 2620 tcg_gen_ext32s_tl(t0, t0); 2621 tcg_gen_xor_tl(t2, t1, t2); 2622 tcg_gen_xor_tl(t1, t0, t1); 2623 tcg_gen_and_tl(t1, t1, t2); 2624 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2625 /* 2626 * operands of different sign, first operand and the result 2627 * of different sign 2628 */ 2629 generate_exception(ctx, EXCP_OVERFLOW); 2630 gen_set_label(l1); 2631 gen_store_gpr(t0, rd); 2632 } 2633 break; 2634 case OPC_SUBU: 2635 if (rs != 0 && rt != 0) { 2636 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2637 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 2638 } else if (rs == 0 && rt != 0) { 2639 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); 2640 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 2641 } else if (rs != 0 && rt == 0) { 2642 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2643 } else { 2644 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2645 } 2646 break; 2647 #if defined(TARGET_MIPS64) 2648 case OPC_DADD: 2649 { 2650 TCGv t0 = tcg_temp_new(); 2651 TCGv t1 = tcg_temp_new(); 2652 TCGv t2 = tcg_temp_new(); 2653 TCGLabel *l1 = gen_new_label(); 2654 2655 gen_load_gpr(t1, rs); 2656 gen_load_gpr(t2, rt); 2657 tcg_gen_add_tl(t0, t1, t2); 2658 tcg_gen_xor_tl(t1, t1, t2); 2659 tcg_gen_xor_tl(t2, t0, t2); 2660 tcg_gen_andc_tl(t1, t2, t1); 2661 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2662 /* operands of same sign, result different sign */ 2663 generate_exception(ctx, EXCP_OVERFLOW); 2664 gen_set_label(l1); 2665 gen_store_gpr(t0, rd); 2666 } 2667 break; 2668 case OPC_DADDU: 2669 if (rs != 0 && rt != 0) { 2670 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2671 } else if (rs == 0 && rt != 0) { 2672 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); 2673 } else if (rs != 0 && rt == 0) { 2674 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2675 } else { 2676 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2677 } 2678 break; 2679 case OPC_DSUB: 2680 { 2681 TCGv t0 = tcg_temp_new(); 2682 TCGv t1 = tcg_temp_new(); 2683 TCGv t2 = tcg_temp_new(); 2684 TCGLabel *l1 = gen_new_label(); 2685 2686 gen_load_gpr(t1, rs); 2687 gen_load_gpr(t2, rt); 2688 tcg_gen_sub_tl(t0, t1, t2); 2689 tcg_gen_xor_tl(t2, t1, t2); 2690 tcg_gen_xor_tl(t1, t0, t1); 2691 tcg_gen_and_tl(t1, t1, t2); 2692 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1); 2693 /* 2694 * Operands of different sign, first operand and result different 2695 * sign. 2696 */ 2697 generate_exception(ctx, EXCP_OVERFLOW); 2698 gen_set_label(l1); 2699 gen_store_gpr(t0, rd); 2700 } 2701 break; 2702 case OPC_DSUBU: 2703 if (rs != 0 && rt != 0) { 2704 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2705 } else if (rs == 0 && rt != 0) { 2706 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]); 2707 } else if (rs != 0 && rt == 0) { 2708 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2709 } else { 2710 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2711 } 2712 break; 2713 #endif 2714 case OPC_MUL: 2715 if (likely(rs != 0 && rt != 0)) { 2716 tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2717 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 2718 } else { 2719 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2720 } 2721 break; 2722 } 2723 } 2724 2725 /* Conditional move */ 2726 static void gen_cond_move(DisasContext *ctx, uint32_t opc, 2727 int rd, int rs, int rt) 2728 { 2729 TCGv t0, t1, t2; 2730 2731 if (rd == 0) { 2732 /* If no destination, treat it as a NOP. */ 2733 return; 2734 } 2735 2736 t0 = tcg_temp_new(); 2737 gen_load_gpr(t0, rt); 2738 t1 = tcg_constant_tl(0); 2739 t2 = tcg_temp_new(); 2740 gen_load_gpr(t2, rs); 2741 switch (opc) { 2742 case OPC_MOVN: 2743 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rd], t0, t1, t2, cpu_gpr[rd]); 2744 break; 2745 case OPC_MOVZ: 2746 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr[rd], t0, t1, t2, cpu_gpr[rd]); 2747 break; 2748 case OPC_SELNEZ: 2749 tcg_gen_movcond_tl(TCG_COND_NE, cpu_gpr[rd], t0, t1, t2, t1); 2750 break; 2751 case OPC_SELEQZ: 2752 tcg_gen_movcond_tl(TCG_COND_EQ, cpu_gpr[rd], t0, t1, t2, t1); 2753 break; 2754 } 2755 } 2756 2757 /* Logic */ 2758 static void gen_logic(DisasContext *ctx, uint32_t opc, 2759 int rd, int rs, int rt) 2760 { 2761 if (rd == 0) { 2762 /* If no destination, treat it as a NOP. */ 2763 return; 2764 } 2765 2766 switch (opc) { 2767 case OPC_AND: 2768 if (likely(rs != 0 && rt != 0)) { 2769 tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2770 } else { 2771 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2772 } 2773 break; 2774 case OPC_NOR: 2775 if (rs != 0 && rt != 0) { 2776 tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2777 } else if (rs == 0 && rt != 0) { 2778 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]); 2779 } else if (rs != 0 && rt == 0) { 2780 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]); 2781 } else { 2782 tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0)); 2783 } 2784 break; 2785 case OPC_OR: 2786 if (likely(rs != 0 && rt != 0)) { 2787 tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2788 } else if (rs == 0 && rt != 0) { 2789 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); 2790 } else if (rs != 0 && rt == 0) { 2791 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2792 } else { 2793 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2794 } 2795 break; 2796 case OPC_XOR: 2797 if (likely(rs != 0 && rt != 0)) { 2798 tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]); 2799 } else if (rs == 0 && rt != 0) { 2800 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]); 2801 } else if (rs != 0 && rt == 0) { 2802 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]); 2803 } else { 2804 tcg_gen_movi_tl(cpu_gpr[rd], 0); 2805 } 2806 break; 2807 } 2808 } 2809 2810 /* Set on lower than */ 2811 static void gen_slt(DisasContext *ctx, uint32_t opc, 2812 int rd, int rs, int rt) 2813 { 2814 TCGv t0, t1; 2815 2816 if (rd == 0) { 2817 /* If no destination, treat it as a NOP. */ 2818 return; 2819 } 2820 2821 t0 = tcg_temp_new(); 2822 t1 = tcg_temp_new(); 2823 gen_load_gpr(t0, rs); 2824 gen_load_gpr(t1, rt); 2825 switch (opc) { 2826 case OPC_SLT: 2827 tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr[rd], t0, t1); 2828 break; 2829 case OPC_SLTU: 2830 tcg_gen_setcond_tl(TCG_COND_LTU, cpu_gpr[rd], t0, t1); 2831 break; 2832 } 2833 } 2834 2835 /* Shifts */ 2836 static void gen_shift(DisasContext *ctx, uint32_t opc, 2837 int rd, int rs, int rt) 2838 { 2839 TCGv t0, t1; 2840 2841 if (rd == 0) { 2842 /* 2843 * If no destination, treat it as a NOP. 2844 * For add & sub, we must generate the overflow exception when needed. 2845 */ 2846 return; 2847 } 2848 2849 t0 = tcg_temp_new(); 2850 t1 = tcg_temp_new(); 2851 gen_load_gpr(t0, rs); 2852 gen_load_gpr(t1, rt); 2853 switch (opc) { 2854 case OPC_SLLV: 2855 tcg_gen_andi_tl(t0, t0, 0x1f); 2856 tcg_gen_shl_tl(t0, t1, t0); 2857 tcg_gen_ext32s_tl(cpu_gpr[rd], t0); 2858 break; 2859 case OPC_SRAV: 2860 tcg_gen_andi_tl(t0, t0, 0x1f); 2861 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); 2862 break; 2863 case OPC_SRLV: 2864 tcg_gen_ext32u_tl(t1, t1); 2865 tcg_gen_andi_tl(t0, t0, 0x1f); 2866 tcg_gen_shr_tl(t0, t1, t0); 2867 tcg_gen_ext32s_tl(cpu_gpr[rd], t0); 2868 break; 2869 case OPC_ROTRV: 2870 { 2871 TCGv_i32 t2 = tcg_temp_new_i32(); 2872 TCGv_i32 t3 = tcg_temp_new_i32(); 2873 2874 tcg_gen_trunc_tl_i32(t2, t0); 2875 tcg_gen_trunc_tl_i32(t3, t1); 2876 tcg_gen_andi_i32(t2, t2, 0x1f); 2877 tcg_gen_rotr_i32(t2, t3, t2); 2878 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 2879 } 2880 break; 2881 #if defined(TARGET_MIPS64) 2882 case OPC_DSLLV: 2883 tcg_gen_andi_tl(t0, t0, 0x3f); 2884 tcg_gen_shl_tl(cpu_gpr[rd], t1, t0); 2885 break; 2886 case OPC_DSRAV: 2887 tcg_gen_andi_tl(t0, t0, 0x3f); 2888 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0); 2889 break; 2890 case OPC_DSRLV: 2891 tcg_gen_andi_tl(t0, t0, 0x3f); 2892 tcg_gen_shr_tl(cpu_gpr[rd], t1, t0); 2893 break; 2894 case OPC_DROTRV: 2895 tcg_gen_andi_tl(t0, t0, 0x3f); 2896 tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0); 2897 break; 2898 #endif 2899 } 2900 } 2901 2902 /* Arithmetic on HI/LO registers */ 2903 static void gen_HILO(DisasContext *ctx, uint32_t opc, int acc, int reg) 2904 { 2905 if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) { 2906 /* Treat as NOP. */ 2907 return; 2908 } 2909 2910 if (acc != 0) { 2911 check_dsp(ctx); 2912 } 2913 2914 switch (opc) { 2915 case OPC_MFHI: 2916 #if defined(TARGET_MIPS64) 2917 if (acc != 0) { 2918 tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_HI[acc]); 2919 } else 2920 #endif 2921 { 2922 tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[acc]); 2923 } 2924 break; 2925 case OPC_MFLO: 2926 #if defined(TARGET_MIPS64) 2927 if (acc != 0) { 2928 tcg_gen_ext32s_tl(cpu_gpr[reg], cpu_LO[acc]); 2929 } else 2930 #endif 2931 { 2932 tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[acc]); 2933 } 2934 break; 2935 case OPC_MTHI: 2936 if (reg != 0) { 2937 #if defined(TARGET_MIPS64) 2938 if (acc != 0) { 2939 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_gpr[reg]); 2940 } else 2941 #endif 2942 { 2943 tcg_gen_mov_tl(cpu_HI[acc], cpu_gpr[reg]); 2944 } 2945 } else { 2946 tcg_gen_movi_tl(cpu_HI[acc], 0); 2947 } 2948 break; 2949 case OPC_MTLO: 2950 if (reg != 0) { 2951 #if defined(TARGET_MIPS64) 2952 if (acc != 0) { 2953 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_gpr[reg]); 2954 } else 2955 #endif 2956 { 2957 tcg_gen_mov_tl(cpu_LO[acc], cpu_gpr[reg]); 2958 } 2959 } else { 2960 tcg_gen_movi_tl(cpu_LO[acc], 0); 2961 } 2962 break; 2963 } 2964 } 2965 2966 static inline void gen_r6_ld(target_long addr, int reg, int memidx, 2967 MemOp memop) 2968 { 2969 TCGv t0 = tcg_temp_new(); 2970 tcg_gen_qemu_ld_tl(t0, tcg_constant_tl(addr), memidx, memop); 2971 gen_store_gpr(t0, reg); 2972 } 2973 2974 static inline void gen_pcrel(DisasContext *ctx, int opc, target_ulong pc, 2975 int rs) 2976 { 2977 target_long offset; 2978 target_long addr; 2979 2980 switch (MASK_OPC_PCREL_TOP2BITS(opc)) { 2981 case OPC_ADDIUPC: 2982 if (rs != 0) { 2983 offset = sextract32(ctx->opcode << 2, 0, 21); 2984 addr = addr_add(ctx, pc, offset); 2985 tcg_gen_movi_tl(cpu_gpr[rs], addr); 2986 } 2987 break; 2988 case R6_OPC_LWPC: 2989 offset = sextract32(ctx->opcode << 2, 0, 21); 2990 addr = addr_add(ctx, pc, offset); 2991 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TESL); 2992 break; 2993 #if defined(TARGET_MIPS64) 2994 case OPC_LWUPC: 2995 check_mips_64(ctx); 2996 offset = sextract32(ctx->opcode << 2, 0, 21); 2997 addr = addr_add(ctx, pc, offset); 2998 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TEUL); 2999 break; 3000 #endif 3001 default: 3002 switch (MASK_OPC_PCREL_TOP5BITS(opc)) { 3003 case OPC_AUIPC: 3004 if (rs != 0) { 3005 offset = sextract32(ctx->opcode, 0, 16) << 16; 3006 addr = addr_add(ctx, pc, offset); 3007 tcg_gen_movi_tl(cpu_gpr[rs], addr); 3008 } 3009 break; 3010 case OPC_ALUIPC: 3011 if (rs != 0) { 3012 offset = sextract32(ctx->opcode, 0, 16) << 16; 3013 addr = ~0xFFFF & addr_add(ctx, pc, offset); 3014 tcg_gen_movi_tl(cpu_gpr[rs], addr); 3015 } 3016 break; 3017 #if defined(TARGET_MIPS64) 3018 case R6_OPC_LDPC: /* bits 16 and 17 are part of immediate */ 3019 case R6_OPC_LDPC + (1 << 16): 3020 case R6_OPC_LDPC + (2 << 16): 3021 case R6_OPC_LDPC + (3 << 16): 3022 check_mips_64(ctx); 3023 offset = sextract32(ctx->opcode << 3, 0, 21); 3024 addr = addr_add(ctx, (pc & ~0x7), offset); 3025 gen_r6_ld(addr, rs, ctx->mem_idx, MO_TEUQ); 3026 break; 3027 #endif 3028 default: 3029 MIPS_INVAL("OPC_PCREL"); 3030 gen_reserved_instruction(ctx); 3031 break; 3032 } 3033 break; 3034 } 3035 } 3036 3037 static void gen_r6_muldiv(DisasContext *ctx, int opc, int rd, int rs, int rt) 3038 { 3039 TCGv t0, t1; 3040 3041 if (rd == 0) { 3042 /* Treat as NOP. */ 3043 return; 3044 } 3045 3046 t0 = tcg_temp_new(); 3047 t1 = tcg_temp_new(); 3048 3049 gen_load_gpr(t0, rs); 3050 gen_load_gpr(t1, rt); 3051 3052 switch (opc) { 3053 case R6_OPC_DIV: 3054 { 3055 TCGv t2 = tcg_temp_new(); 3056 TCGv t3 = tcg_temp_new(); 3057 tcg_gen_ext32s_tl(t0, t0); 3058 tcg_gen_ext32s_tl(t1, t1); 3059 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN); 3060 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1); 3061 tcg_gen_and_tl(t2, t2, t3); 3062 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3063 tcg_gen_or_tl(t2, t2, t3); 3064 tcg_gen_movi_tl(t3, 0); 3065 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3066 tcg_gen_div_tl(cpu_gpr[rd], t0, t1); 3067 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3068 } 3069 break; 3070 case R6_OPC_MOD: 3071 { 3072 TCGv t2 = tcg_temp_new(); 3073 TCGv t3 = tcg_temp_new(); 3074 tcg_gen_ext32s_tl(t0, t0); 3075 tcg_gen_ext32s_tl(t1, t1); 3076 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN); 3077 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1); 3078 tcg_gen_and_tl(t2, t2, t3); 3079 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3080 tcg_gen_or_tl(t2, t2, t3); 3081 tcg_gen_movi_tl(t3, 0); 3082 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3083 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); 3084 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3085 } 3086 break; 3087 case R6_OPC_DIVU: 3088 { 3089 TCGv t2 = tcg_constant_tl(0); 3090 TCGv t3 = tcg_constant_tl(1); 3091 tcg_gen_ext32u_tl(t0, t0); 3092 tcg_gen_ext32u_tl(t1, t1); 3093 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3094 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); 3095 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3096 } 3097 break; 3098 case R6_OPC_MODU: 3099 { 3100 TCGv t2 = tcg_constant_tl(0); 3101 TCGv t3 = tcg_constant_tl(1); 3102 tcg_gen_ext32u_tl(t0, t0); 3103 tcg_gen_ext32u_tl(t1, t1); 3104 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3105 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); 3106 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3107 } 3108 break; 3109 case R6_OPC_MUL: 3110 { 3111 TCGv_i32 t2 = tcg_temp_new_i32(); 3112 TCGv_i32 t3 = tcg_temp_new_i32(); 3113 tcg_gen_trunc_tl_i32(t2, t0); 3114 tcg_gen_trunc_tl_i32(t3, t1); 3115 tcg_gen_mul_i32(t2, t2, t3); 3116 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 3117 } 3118 break; 3119 case R6_OPC_MUH: 3120 { 3121 TCGv_i32 t2 = tcg_temp_new_i32(); 3122 TCGv_i32 t3 = tcg_temp_new_i32(); 3123 tcg_gen_trunc_tl_i32(t2, t0); 3124 tcg_gen_trunc_tl_i32(t3, t1); 3125 tcg_gen_muls2_i32(t2, t3, t2, t3); 3126 tcg_gen_ext_i32_tl(cpu_gpr[rd], t3); 3127 } 3128 break; 3129 case R6_OPC_MULU: 3130 { 3131 TCGv_i32 t2 = tcg_temp_new_i32(); 3132 TCGv_i32 t3 = tcg_temp_new_i32(); 3133 tcg_gen_trunc_tl_i32(t2, t0); 3134 tcg_gen_trunc_tl_i32(t3, t1); 3135 tcg_gen_mul_i32(t2, t2, t3); 3136 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 3137 } 3138 break; 3139 case R6_OPC_MUHU: 3140 { 3141 TCGv_i32 t2 = tcg_temp_new_i32(); 3142 TCGv_i32 t3 = tcg_temp_new_i32(); 3143 tcg_gen_trunc_tl_i32(t2, t0); 3144 tcg_gen_trunc_tl_i32(t3, t1); 3145 tcg_gen_mulu2_i32(t2, t3, t2, t3); 3146 tcg_gen_ext_i32_tl(cpu_gpr[rd], t3); 3147 } 3148 break; 3149 #if defined(TARGET_MIPS64) 3150 case R6_OPC_DDIV: 3151 { 3152 TCGv t2 = tcg_temp_new(); 3153 TCGv t3 = tcg_temp_new(); 3154 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63); 3155 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL); 3156 tcg_gen_and_tl(t2, t2, t3); 3157 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3158 tcg_gen_or_tl(t2, t2, t3); 3159 tcg_gen_movi_tl(t3, 0); 3160 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3161 tcg_gen_div_tl(cpu_gpr[rd], t0, t1); 3162 } 3163 break; 3164 case R6_OPC_DMOD: 3165 { 3166 TCGv t2 = tcg_temp_new(); 3167 TCGv t3 = tcg_temp_new(); 3168 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63); 3169 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL); 3170 tcg_gen_and_tl(t2, t2, t3); 3171 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3172 tcg_gen_or_tl(t2, t2, t3); 3173 tcg_gen_movi_tl(t3, 0); 3174 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3175 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); 3176 } 3177 break; 3178 case R6_OPC_DDIVU: 3179 { 3180 TCGv t2 = tcg_constant_tl(0); 3181 TCGv t3 = tcg_constant_tl(1); 3182 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3183 tcg_gen_divu_i64(cpu_gpr[rd], t0, t1); 3184 } 3185 break; 3186 case R6_OPC_DMODU: 3187 { 3188 TCGv t2 = tcg_constant_tl(0); 3189 TCGv t3 = tcg_constant_tl(1); 3190 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3191 tcg_gen_remu_i64(cpu_gpr[rd], t0, t1); 3192 } 3193 break; 3194 case R6_OPC_DMUL: 3195 tcg_gen_mul_i64(cpu_gpr[rd], t0, t1); 3196 break; 3197 case R6_OPC_DMUH: 3198 { 3199 TCGv t2 = tcg_temp_new(); 3200 tcg_gen_muls2_i64(t2, cpu_gpr[rd], t0, t1); 3201 } 3202 break; 3203 case R6_OPC_DMULU: 3204 tcg_gen_mul_i64(cpu_gpr[rd], t0, t1); 3205 break; 3206 case R6_OPC_DMUHU: 3207 { 3208 TCGv t2 = tcg_temp_new(); 3209 tcg_gen_mulu2_i64(t2, cpu_gpr[rd], t0, t1); 3210 } 3211 break; 3212 #endif 3213 default: 3214 MIPS_INVAL("r6 mul/div"); 3215 gen_reserved_instruction(ctx); 3216 break; 3217 } 3218 } 3219 3220 #if defined(TARGET_MIPS64) 3221 static void gen_div1_tx79(DisasContext *ctx, uint32_t opc, int rs, int rt) 3222 { 3223 TCGv t0, t1; 3224 3225 t0 = tcg_temp_new(); 3226 t1 = tcg_temp_new(); 3227 3228 gen_load_gpr(t0, rs); 3229 gen_load_gpr(t1, rt); 3230 3231 switch (opc) { 3232 case MMI_OPC_DIV1: 3233 { 3234 TCGv t2 = tcg_temp_new(); 3235 TCGv t3 = tcg_temp_new(); 3236 tcg_gen_ext32s_tl(t0, t0); 3237 tcg_gen_ext32s_tl(t1, t1); 3238 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN); 3239 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1); 3240 tcg_gen_and_tl(t2, t2, t3); 3241 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3242 tcg_gen_or_tl(t2, t2, t3); 3243 tcg_gen_movi_tl(t3, 0); 3244 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3245 tcg_gen_div_tl(cpu_LO[1], t0, t1); 3246 tcg_gen_rem_tl(cpu_HI[1], t0, t1); 3247 tcg_gen_ext32s_tl(cpu_LO[1], cpu_LO[1]); 3248 tcg_gen_ext32s_tl(cpu_HI[1], cpu_HI[1]); 3249 } 3250 break; 3251 case MMI_OPC_DIVU1: 3252 { 3253 TCGv t2 = tcg_constant_tl(0); 3254 TCGv t3 = tcg_constant_tl(1); 3255 tcg_gen_ext32u_tl(t0, t0); 3256 tcg_gen_ext32u_tl(t1, t1); 3257 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3258 tcg_gen_divu_tl(cpu_LO[1], t0, t1); 3259 tcg_gen_remu_tl(cpu_HI[1], t0, t1); 3260 tcg_gen_ext32s_tl(cpu_LO[1], cpu_LO[1]); 3261 tcg_gen_ext32s_tl(cpu_HI[1], cpu_HI[1]); 3262 } 3263 break; 3264 default: 3265 MIPS_INVAL("div1 TX79"); 3266 gen_reserved_instruction(ctx); 3267 break; 3268 } 3269 } 3270 #endif 3271 3272 static void gen_muldiv(DisasContext *ctx, uint32_t opc, 3273 int acc, int rs, int rt) 3274 { 3275 TCGv t0, t1; 3276 3277 t0 = tcg_temp_new(); 3278 t1 = tcg_temp_new(); 3279 3280 gen_load_gpr(t0, rs); 3281 gen_load_gpr(t1, rt); 3282 3283 if (acc != 0) { 3284 check_dsp(ctx); 3285 } 3286 3287 switch (opc) { 3288 case OPC_DIV: 3289 { 3290 TCGv t2 = tcg_temp_new(); 3291 TCGv t3 = tcg_temp_new(); 3292 tcg_gen_ext32s_tl(t0, t0); 3293 tcg_gen_ext32s_tl(t1, t1); 3294 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, INT_MIN); 3295 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1); 3296 tcg_gen_and_tl(t2, t2, t3); 3297 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3298 tcg_gen_or_tl(t2, t2, t3); 3299 tcg_gen_movi_tl(t3, 0); 3300 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3301 tcg_gen_div_tl(cpu_LO[acc], t0, t1); 3302 tcg_gen_rem_tl(cpu_HI[acc], t0, t1); 3303 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]); 3304 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_HI[acc]); 3305 } 3306 break; 3307 case OPC_DIVU: 3308 { 3309 TCGv t2 = tcg_constant_tl(0); 3310 TCGv t3 = tcg_constant_tl(1); 3311 tcg_gen_ext32u_tl(t0, t0); 3312 tcg_gen_ext32u_tl(t1, t1); 3313 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3314 tcg_gen_divu_tl(cpu_LO[acc], t0, t1); 3315 tcg_gen_remu_tl(cpu_HI[acc], t0, t1); 3316 tcg_gen_ext32s_tl(cpu_LO[acc], cpu_LO[acc]); 3317 tcg_gen_ext32s_tl(cpu_HI[acc], cpu_HI[acc]); 3318 } 3319 break; 3320 case OPC_MULT: 3321 { 3322 TCGv_i32 t2 = tcg_temp_new_i32(); 3323 TCGv_i32 t3 = tcg_temp_new_i32(); 3324 tcg_gen_trunc_tl_i32(t2, t0); 3325 tcg_gen_trunc_tl_i32(t3, t1); 3326 tcg_gen_muls2_i32(t2, t3, t2, t3); 3327 tcg_gen_ext_i32_tl(cpu_LO[acc], t2); 3328 tcg_gen_ext_i32_tl(cpu_HI[acc], t3); 3329 } 3330 break; 3331 case OPC_MULTU: 3332 { 3333 TCGv_i32 t2 = tcg_temp_new_i32(); 3334 TCGv_i32 t3 = tcg_temp_new_i32(); 3335 tcg_gen_trunc_tl_i32(t2, t0); 3336 tcg_gen_trunc_tl_i32(t3, t1); 3337 tcg_gen_mulu2_i32(t2, t3, t2, t3); 3338 tcg_gen_ext_i32_tl(cpu_LO[acc], t2); 3339 tcg_gen_ext_i32_tl(cpu_HI[acc], t3); 3340 } 3341 break; 3342 #if defined(TARGET_MIPS64) 3343 case OPC_DDIV: 3344 { 3345 TCGv t2 = tcg_temp_new(); 3346 TCGv t3 = tcg_temp_new(); 3347 tcg_gen_setcondi_tl(TCG_COND_EQ, t2, t0, -1LL << 63); 3348 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, -1LL); 3349 tcg_gen_and_tl(t2, t2, t3); 3350 tcg_gen_setcondi_tl(TCG_COND_EQ, t3, t1, 0); 3351 tcg_gen_or_tl(t2, t2, t3); 3352 tcg_gen_movi_tl(t3, 0); 3353 tcg_gen_movcond_tl(TCG_COND_NE, t1, t2, t3, t2, t1); 3354 tcg_gen_div_tl(cpu_LO[acc], t0, t1); 3355 tcg_gen_rem_tl(cpu_HI[acc], t0, t1); 3356 } 3357 break; 3358 case OPC_DDIVU: 3359 { 3360 TCGv t2 = tcg_constant_tl(0); 3361 TCGv t3 = tcg_constant_tl(1); 3362 tcg_gen_movcond_tl(TCG_COND_EQ, t1, t1, t2, t3, t1); 3363 tcg_gen_divu_i64(cpu_LO[acc], t0, t1); 3364 tcg_gen_remu_i64(cpu_HI[acc], t0, t1); 3365 } 3366 break; 3367 case OPC_DMULT: 3368 tcg_gen_muls2_i64(cpu_LO[acc], cpu_HI[acc], t0, t1); 3369 break; 3370 case OPC_DMULTU: 3371 tcg_gen_mulu2_i64(cpu_LO[acc], cpu_HI[acc], t0, t1); 3372 break; 3373 #endif 3374 case OPC_MADD: 3375 { 3376 TCGv_i64 t2 = tcg_temp_new_i64(); 3377 TCGv_i64 t3 = tcg_temp_new_i64(); 3378 3379 tcg_gen_ext_tl_i64(t2, t0); 3380 tcg_gen_ext_tl_i64(t3, t1); 3381 tcg_gen_mul_i64(t2, t2, t3); 3382 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3383 tcg_gen_add_i64(t2, t2, t3); 3384 gen_move_low32(cpu_LO[acc], t2); 3385 gen_move_high32(cpu_HI[acc], t2); 3386 } 3387 break; 3388 case OPC_MADDU: 3389 { 3390 TCGv_i64 t2 = tcg_temp_new_i64(); 3391 TCGv_i64 t3 = tcg_temp_new_i64(); 3392 3393 tcg_gen_ext32u_tl(t0, t0); 3394 tcg_gen_ext32u_tl(t1, t1); 3395 tcg_gen_extu_tl_i64(t2, t0); 3396 tcg_gen_extu_tl_i64(t3, t1); 3397 tcg_gen_mul_i64(t2, t2, t3); 3398 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3399 tcg_gen_add_i64(t2, t2, t3); 3400 gen_move_low32(cpu_LO[acc], t2); 3401 gen_move_high32(cpu_HI[acc], t2); 3402 } 3403 break; 3404 case OPC_MSUB: 3405 { 3406 TCGv_i64 t2 = tcg_temp_new_i64(); 3407 TCGv_i64 t3 = tcg_temp_new_i64(); 3408 3409 tcg_gen_ext_tl_i64(t2, t0); 3410 tcg_gen_ext_tl_i64(t3, t1); 3411 tcg_gen_mul_i64(t2, t2, t3); 3412 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3413 tcg_gen_sub_i64(t2, t3, t2); 3414 gen_move_low32(cpu_LO[acc], t2); 3415 gen_move_high32(cpu_HI[acc], t2); 3416 } 3417 break; 3418 case OPC_MSUBU: 3419 { 3420 TCGv_i64 t2 = tcg_temp_new_i64(); 3421 TCGv_i64 t3 = tcg_temp_new_i64(); 3422 3423 tcg_gen_ext32u_tl(t0, t0); 3424 tcg_gen_ext32u_tl(t1, t1); 3425 tcg_gen_extu_tl_i64(t2, t0); 3426 tcg_gen_extu_tl_i64(t3, t1); 3427 tcg_gen_mul_i64(t2, t2, t3); 3428 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3429 tcg_gen_sub_i64(t2, t3, t2); 3430 gen_move_low32(cpu_LO[acc], t2); 3431 gen_move_high32(cpu_HI[acc], t2); 3432 } 3433 break; 3434 default: 3435 MIPS_INVAL("mul/div"); 3436 gen_reserved_instruction(ctx); 3437 break; 3438 } 3439 } 3440 3441 /* 3442 * These MULT[U] and MADD[U] instructions implemented in for example 3443 * the Toshiba/Sony R5900 and the Toshiba TX19, TX39 and TX79 core 3444 * architectures are special three-operand variants with the syntax 3445 * 3446 * MULT[U][1] rd, rs, rt 3447 * 3448 * such that 3449 * 3450 * (rd, LO, HI) <- rs * rt 3451 * 3452 * and 3453 * 3454 * MADD[U][1] rd, rs, rt 3455 * 3456 * such that 3457 * 3458 * (rd, LO, HI) <- (LO, HI) + rs * rt 3459 * 3460 * where the low-order 32-bits of the result is placed into both the 3461 * GPR rd and the special register LO. The high-order 32-bits of the 3462 * result is placed into the special register HI. 3463 * 3464 * If the GPR rd is omitted in assembly language, it is taken to be 0, 3465 * which is the zero register that always reads as 0. 3466 */ 3467 static void gen_mul_txx9(DisasContext *ctx, uint32_t opc, 3468 int rd, int rs, int rt) 3469 { 3470 TCGv t0 = tcg_temp_new(); 3471 TCGv t1 = tcg_temp_new(); 3472 int acc = 0; 3473 3474 gen_load_gpr(t0, rs); 3475 gen_load_gpr(t1, rt); 3476 3477 switch (opc) { 3478 case MMI_OPC_MULT1: 3479 acc = 1; 3480 /* Fall through */ 3481 case OPC_MULT: 3482 { 3483 TCGv_i32 t2 = tcg_temp_new_i32(); 3484 TCGv_i32 t3 = tcg_temp_new_i32(); 3485 tcg_gen_trunc_tl_i32(t2, t0); 3486 tcg_gen_trunc_tl_i32(t3, t1); 3487 tcg_gen_muls2_i32(t2, t3, t2, t3); 3488 if (rd) { 3489 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 3490 } 3491 tcg_gen_ext_i32_tl(cpu_LO[acc], t2); 3492 tcg_gen_ext_i32_tl(cpu_HI[acc], t3); 3493 } 3494 break; 3495 case MMI_OPC_MULTU1: 3496 acc = 1; 3497 /* Fall through */ 3498 case OPC_MULTU: 3499 { 3500 TCGv_i32 t2 = tcg_temp_new_i32(); 3501 TCGv_i32 t3 = tcg_temp_new_i32(); 3502 tcg_gen_trunc_tl_i32(t2, t0); 3503 tcg_gen_trunc_tl_i32(t3, t1); 3504 tcg_gen_mulu2_i32(t2, t3, t2, t3); 3505 if (rd) { 3506 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2); 3507 } 3508 tcg_gen_ext_i32_tl(cpu_LO[acc], t2); 3509 tcg_gen_ext_i32_tl(cpu_HI[acc], t3); 3510 } 3511 break; 3512 case MMI_OPC_MADD1: 3513 acc = 1; 3514 /* Fall through */ 3515 case MMI_OPC_MADD: 3516 { 3517 TCGv_i64 t2 = tcg_temp_new_i64(); 3518 TCGv_i64 t3 = tcg_temp_new_i64(); 3519 3520 tcg_gen_ext_tl_i64(t2, t0); 3521 tcg_gen_ext_tl_i64(t3, t1); 3522 tcg_gen_mul_i64(t2, t2, t3); 3523 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3524 tcg_gen_add_i64(t2, t2, t3); 3525 gen_move_low32(cpu_LO[acc], t2); 3526 gen_move_high32(cpu_HI[acc], t2); 3527 if (rd) { 3528 gen_move_low32(cpu_gpr[rd], t2); 3529 } 3530 } 3531 break; 3532 case MMI_OPC_MADDU1: 3533 acc = 1; 3534 /* Fall through */ 3535 case MMI_OPC_MADDU: 3536 { 3537 TCGv_i64 t2 = tcg_temp_new_i64(); 3538 TCGv_i64 t3 = tcg_temp_new_i64(); 3539 3540 tcg_gen_ext32u_tl(t0, t0); 3541 tcg_gen_ext32u_tl(t1, t1); 3542 tcg_gen_extu_tl_i64(t2, t0); 3543 tcg_gen_extu_tl_i64(t3, t1); 3544 tcg_gen_mul_i64(t2, t2, t3); 3545 tcg_gen_concat_tl_i64(t3, cpu_LO[acc], cpu_HI[acc]); 3546 tcg_gen_add_i64(t2, t2, t3); 3547 gen_move_low32(cpu_LO[acc], t2); 3548 gen_move_high32(cpu_HI[acc], t2); 3549 if (rd) { 3550 gen_move_low32(cpu_gpr[rd], t2); 3551 } 3552 } 3553 break; 3554 default: 3555 MIPS_INVAL("mul/madd TXx9"); 3556 gen_reserved_instruction(ctx); 3557 break; 3558 } 3559 } 3560 3561 static void gen_cl(DisasContext *ctx, uint32_t opc, 3562 int rd, int rs) 3563 { 3564 TCGv t0; 3565 3566 if (rd == 0) { 3567 /* Treat as NOP. */ 3568 return; 3569 } 3570 t0 = cpu_gpr[rd]; 3571 gen_load_gpr(t0, rs); 3572 3573 switch (opc) { 3574 case OPC_CLO: 3575 case R6_OPC_CLO: 3576 #if defined(TARGET_MIPS64) 3577 case OPC_DCLO: 3578 case R6_OPC_DCLO: 3579 #endif 3580 tcg_gen_not_tl(t0, t0); 3581 break; 3582 } 3583 3584 switch (opc) { 3585 case OPC_CLO: 3586 case R6_OPC_CLO: 3587 case OPC_CLZ: 3588 case R6_OPC_CLZ: 3589 tcg_gen_ext32u_tl(t0, t0); 3590 tcg_gen_clzi_tl(t0, t0, TARGET_LONG_BITS); 3591 tcg_gen_subi_tl(t0, t0, TARGET_LONG_BITS - 32); 3592 break; 3593 #if defined(TARGET_MIPS64) 3594 case OPC_DCLO: 3595 case R6_OPC_DCLO: 3596 case OPC_DCLZ: 3597 case R6_OPC_DCLZ: 3598 tcg_gen_clzi_i64(t0, t0, 64); 3599 break; 3600 #endif 3601 } 3602 } 3603 3604 /* Godson integer instructions */ 3605 static void gen_loongson_integer(DisasContext *ctx, uint32_t opc, 3606 int rd, int rs, int rt) 3607 { 3608 TCGv t0, t1; 3609 3610 if (rd == 0) { 3611 /* Treat as NOP. */ 3612 return; 3613 } 3614 3615 t0 = tcg_temp_new(); 3616 t1 = tcg_temp_new(); 3617 gen_load_gpr(t0, rs); 3618 gen_load_gpr(t1, rt); 3619 3620 switch (opc) { 3621 case OPC_MULT_G_2E: 3622 case OPC_MULT_G_2F: 3623 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); 3624 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3625 break; 3626 case OPC_MULTU_G_2E: 3627 case OPC_MULTU_G_2F: 3628 tcg_gen_ext32u_tl(t0, t0); 3629 tcg_gen_ext32u_tl(t1, t1); 3630 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); 3631 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3632 break; 3633 case OPC_DIV_G_2E: 3634 case OPC_DIV_G_2F: 3635 { 3636 TCGLabel *l1 = gen_new_label(); 3637 TCGLabel *l2 = gen_new_label(); 3638 TCGLabel *l3 = gen_new_label(); 3639 tcg_gen_ext32s_tl(t0, t0); 3640 tcg_gen_ext32s_tl(t1, t1); 3641 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3642 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3643 tcg_gen_br(l3); 3644 gen_set_label(l1); 3645 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); 3646 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); 3647 tcg_gen_mov_tl(cpu_gpr[rd], t0); 3648 tcg_gen_br(l3); 3649 gen_set_label(l2); 3650 tcg_gen_div_tl(cpu_gpr[rd], t0, t1); 3651 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3652 gen_set_label(l3); 3653 } 3654 break; 3655 case OPC_DIVU_G_2E: 3656 case OPC_DIVU_G_2F: 3657 { 3658 TCGLabel *l1 = gen_new_label(); 3659 TCGLabel *l2 = gen_new_label(); 3660 tcg_gen_ext32u_tl(t0, t0); 3661 tcg_gen_ext32u_tl(t1, t1); 3662 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3663 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3664 tcg_gen_br(l2); 3665 gen_set_label(l1); 3666 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); 3667 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3668 gen_set_label(l2); 3669 } 3670 break; 3671 case OPC_MOD_G_2E: 3672 case OPC_MOD_G_2F: 3673 { 3674 TCGLabel *l1 = gen_new_label(); 3675 TCGLabel *l2 = gen_new_label(); 3676 TCGLabel *l3 = gen_new_label(); 3677 tcg_gen_ext32u_tl(t0, t0); 3678 tcg_gen_ext32u_tl(t1, t1); 3679 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); 3680 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2); 3681 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2); 3682 gen_set_label(l1); 3683 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3684 tcg_gen_br(l3); 3685 gen_set_label(l2); 3686 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); 3687 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3688 gen_set_label(l3); 3689 } 3690 break; 3691 case OPC_MODU_G_2E: 3692 case OPC_MODU_G_2F: 3693 { 3694 TCGLabel *l1 = gen_new_label(); 3695 TCGLabel *l2 = gen_new_label(); 3696 tcg_gen_ext32u_tl(t0, t0); 3697 tcg_gen_ext32u_tl(t1, t1); 3698 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3699 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3700 tcg_gen_br(l2); 3701 gen_set_label(l1); 3702 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); 3703 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]); 3704 gen_set_label(l2); 3705 } 3706 break; 3707 #if defined(TARGET_MIPS64) 3708 case OPC_DMULT_G_2E: 3709 case OPC_DMULT_G_2F: 3710 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); 3711 break; 3712 case OPC_DMULTU_G_2E: 3713 case OPC_DMULTU_G_2F: 3714 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1); 3715 break; 3716 case OPC_DDIV_G_2E: 3717 case OPC_DDIV_G_2F: 3718 { 3719 TCGLabel *l1 = gen_new_label(); 3720 TCGLabel *l2 = gen_new_label(); 3721 TCGLabel *l3 = gen_new_label(); 3722 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3723 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3724 tcg_gen_br(l3); 3725 gen_set_label(l1); 3726 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); 3727 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); 3728 tcg_gen_mov_tl(cpu_gpr[rd], t0); 3729 tcg_gen_br(l3); 3730 gen_set_label(l2); 3731 tcg_gen_div_tl(cpu_gpr[rd], t0, t1); 3732 gen_set_label(l3); 3733 } 3734 break; 3735 case OPC_DDIVU_G_2E: 3736 case OPC_DDIVU_G_2F: 3737 { 3738 TCGLabel *l1 = gen_new_label(); 3739 TCGLabel *l2 = gen_new_label(); 3740 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3741 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3742 tcg_gen_br(l2); 3743 gen_set_label(l1); 3744 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1); 3745 gen_set_label(l2); 3746 } 3747 break; 3748 case OPC_DMOD_G_2E: 3749 case OPC_DMOD_G_2F: 3750 { 3751 TCGLabel *l1 = gen_new_label(); 3752 TCGLabel *l2 = gen_new_label(); 3753 TCGLabel *l3 = gen_new_label(); 3754 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1); 3755 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2); 3756 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2); 3757 gen_set_label(l1); 3758 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3759 tcg_gen_br(l3); 3760 gen_set_label(l2); 3761 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1); 3762 gen_set_label(l3); 3763 } 3764 break; 3765 case OPC_DMODU_G_2E: 3766 case OPC_DMODU_G_2F: 3767 { 3768 TCGLabel *l1 = gen_new_label(); 3769 TCGLabel *l2 = gen_new_label(); 3770 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1); 3771 tcg_gen_movi_tl(cpu_gpr[rd], 0); 3772 tcg_gen_br(l2); 3773 gen_set_label(l1); 3774 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1); 3775 gen_set_label(l2); 3776 } 3777 break; 3778 #endif 3779 } 3780 } 3781 3782 /* Loongson multimedia instructions */ 3783 static void gen_loongson_multimedia(DisasContext *ctx, int rd, int rs, int rt) 3784 { 3785 uint32_t opc, shift_max; 3786 TCGv_i64 t0, t1; 3787 TCGCond cond; 3788 3789 opc = MASK_LMMI(ctx->opcode); 3790 check_cp1_enabled(ctx); 3791 3792 t0 = tcg_temp_new_i64(); 3793 t1 = tcg_temp_new_i64(); 3794 gen_load_fpr64(ctx, t0, rs); 3795 gen_load_fpr64(ctx, t1, rt); 3796 3797 switch (opc) { 3798 case OPC_PADDSH: 3799 gen_helper_paddsh(t0, t0, t1); 3800 break; 3801 case OPC_PADDUSH: 3802 gen_helper_paddush(t0, t0, t1); 3803 break; 3804 case OPC_PADDH: 3805 gen_helper_paddh(t0, t0, t1); 3806 break; 3807 case OPC_PADDW: 3808 gen_helper_paddw(t0, t0, t1); 3809 break; 3810 case OPC_PADDSB: 3811 gen_helper_paddsb(t0, t0, t1); 3812 break; 3813 case OPC_PADDUSB: 3814 gen_helper_paddusb(t0, t0, t1); 3815 break; 3816 case OPC_PADDB: 3817 gen_helper_paddb(t0, t0, t1); 3818 break; 3819 3820 case OPC_PSUBSH: 3821 gen_helper_psubsh(t0, t0, t1); 3822 break; 3823 case OPC_PSUBUSH: 3824 gen_helper_psubush(t0, t0, t1); 3825 break; 3826 case OPC_PSUBH: 3827 gen_helper_psubh(t0, t0, t1); 3828 break; 3829 case OPC_PSUBW: 3830 gen_helper_psubw(t0, t0, t1); 3831 break; 3832 case OPC_PSUBSB: 3833 gen_helper_psubsb(t0, t0, t1); 3834 break; 3835 case OPC_PSUBUSB: 3836 gen_helper_psubusb(t0, t0, t1); 3837 break; 3838 case OPC_PSUBB: 3839 gen_helper_psubb(t0, t0, t1); 3840 break; 3841 3842 case OPC_PSHUFH: 3843 gen_helper_pshufh(t0, t0, t1); 3844 break; 3845 case OPC_PACKSSWH: 3846 gen_helper_packsswh(t0, t0, t1); 3847 break; 3848 case OPC_PACKSSHB: 3849 gen_helper_packsshb(t0, t0, t1); 3850 break; 3851 case OPC_PACKUSHB: 3852 gen_helper_packushb(t0, t0, t1); 3853 break; 3854 3855 case OPC_PUNPCKLHW: 3856 gen_helper_punpcklhw(t0, t0, t1); 3857 break; 3858 case OPC_PUNPCKHHW: 3859 gen_helper_punpckhhw(t0, t0, t1); 3860 break; 3861 case OPC_PUNPCKLBH: 3862 gen_helper_punpcklbh(t0, t0, t1); 3863 break; 3864 case OPC_PUNPCKHBH: 3865 gen_helper_punpckhbh(t0, t0, t1); 3866 break; 3867 case OPC_PUNPCKLWD: 3868 gen_helper_punpcklwd(t0, t0, t1); 3869 break; 3870 case OPC_PUNPCKHWD: 3871 gen_helper_punpckhwd(t0, t0, t1); 3872 break; 3873 3874 case OPC_PAVGH: 3875 gen_helper_pavgh(t0, t0, t1); 3876 break; 3877 case OPC_PAVGB: 3878 gen_helper_pavgb(t0, t0, t1); 3879 break; 3880 case OPC_PMAXSH: 3881 gen_helper_pmaxsh(t0, t0, t1); 3882 break; 3883 case OPC_PMINSH: 3884 gen_helper_pminsh(t0, t0, t1); 3885 break; 3886 case OPC_PMAXUB: 3887 gen_helper_pmaxub(t0, t0, t1); 3888 break; 3889 case OPC_PMINUB: 3890 gen_helper_pminub(t0, t0, t1); 3891 break; 3892 3893 case OPC_PCMPEQW: 3894 gen_helper_pcmpeqw(t0, t0, t1); 3895 break; 3896 case OPC_PCMPGTW: 3897 gen_helper_pcmpgtw(t0, t0, t1); 3898 break; 3899 case OPC_PCMPEQH: 3900 gen_helper_pcmpeqh(t0, t0, t1); 3901 break; 3902 case OPC_PCMPGTH: 3903 gen_helper_pcmpgth(t0, t0, t1); 3904 break; 3905 case OPC_PCMPEQB: 3906 gen_helper_pcmpeqb(t0, t0, t1); 3907 break; 3908 case OPC_PCMPGTB: 3909 gen_helper_pcmpgtb(t0, t0, t1); 3910 break; 3911 3912 case OPC_PSLLW: 3913 gen_helper_psllw(t0, t0, t1); 3914 break; 3915 case OPC_PSLLH: 3916 gen_helper_psllh(t0, t0, t1); 3917 break; 3918 case OPC_PSRLW: 3919 gen_helper_psrlw(t0, t0, t1); 3920 break; 3921 case OPC_PSRLH: 3922 gen_helper_psrlh(t0, t0, t1); 3923 break; 3924 case OPC_PSRAW: 3925 gen_helper_psraw(t0, t0, t1); 3926 break; 3927 case OPC_PSRAH: 3928 gen_helper_psrah(t0, t0, t1); 3929 break; 3930 3931 case OPC_PMULLH: 3932 gen_helper_pmullh(t0, t0, t1); 3933 break; 3934 case OPC_PMULHH: 3935 gen_helper_pmulhh(t0, t0, t1); 3936 break; 3937 case OPC_PMULHUH: 3938 gen_helper_pmulhuh(t0, t0, t1); 3939 break; 3940 case OPC_PMADDHW: 3941 gen_helper_pmaddhw(t0, t0, t1); 3942 break; 3943 3944 case OPC_PASUBUB: 3945 gen_helper_pasubub(t0, t0, t1); 3946 break; 3947 case OPC_BIADD: 3948 gen_helper_biadd(t0, t0); 3949 break; 3950 case OPC_PMOVMSKB: 3951 gen_helper_pmovmskb(t0, t0); 3952 break; 3953 3954 case OPC_PADDD: 3955 tcg_gen_add_i64(t0, t0, t1); 3956 break; 3957 case OPC_PSUBD: 3958 tcg_gen_sub_i64(t0, t0, t1); 3959 break; 3960 case OPC_XOR_CP2: 3961 tcg_gen_xor_i64(t0, t0, t1); 3962 break; 3963 case OPC_NOR_CP2: 3964 tcg_gen_nor_i64(t0, t0, t1); 3965 break; 3966 case OPC_AND_CP2: 3967 tcg_gen_and_i64(t0, t0, t1); 3968 break; 3969 case OPC_OR_CP2: 3970 tcg_gen_or_i64(t0, t0, t1); 3971 break; 3972 3973 case OPC_PANDN: 3974 tcg_gen_andc_i64(t0, t1, t0); 3975 break; 3976 3977 case OPC_PINSRH_0: 3978 tcg_gen_deposit_i64(t0, t0, t1, 0, 16); 3979 break; 3980 case OPC_PINSRH_1: 3981 tcg_gen_deposit_i64(t0, t0, t1, 16, 16); 3982 break; 3983 case OPC_PINSRH_2: 3984 tcg_gen_deposit_i64(t0, t0, t1, 32, 16); 3985 break; 3986 case OPC_PINSRH_3: 3987 tcg_gen_deposit_i64(t0, t0, t1, 48, 16); 3988 break; 3989 3990 case OPC_PEXTRH: 3991 tcg_gen_andi_i64(t1, t1, 3); 3992 tcg_gen_shli_i64(t1, t1, 4); 3993 tcg_gen_shr_i64(t0, t0, t1); 3994 tcg_gen_ext16u_i64(t0, t0); 3995 break; 3996 3997 case OPC_ADDU_CP2: 3998 tcg_gen_add_i64(t0, t0, t1); 3999 tcg_gen_ext32s_i64(t0, t0); 4000 break; 4001 case OPC_SUBU_CP2: 4002 tcg_gen_sub_i64(t0, t0, t1); 4003 tcg_gen_ext32s_i64(t0, t0); 4004 break; 4005 4006 case OPC_SLL_CP2: 4007 shift_max = 32; 4008 goto do_shift; 4009 case OPC_SRL_CP2: 4010 shift_max = 32; 4011 goto do_shift; 4012 case OPC_SRA_CP2: 4013 shift_max = 32; 4014 goto do_shift; 4015 case OPC_DSLL_CP2: 4016 shift_max = 64; 4017 goto do_shift; 4018 case OPC_DSRL_CP2: 4019 shift_max = 64; 4020 goto do_shift; 4021 case OPC_DSRA_CP2: 4022 shift_max = 64; 4023 goto do_shift; 4024 do_shift: 4025 /* Make sure shift count isn't TCG undefined behaviour. */ 4026 tcg_gen_andi_i64(t1, t1, shift_max - 1); 4027 4028 switch (opc) { 4029 case OPC_SLL_CP2: 4030 case OPC_DSLL_CP2: 4031 tcg_gen_shl_i64(t0, t0, t1); 4032 break; 4033 case OPC_SRA_CP2: 4034 case OPC_DSRA_CP2: 4035 /* 4036 * Since SRA is UndefinedResult without sign-extended inputs, 4037 * we can treat SRA and DSRA the same. 4038 */ 4039 tcg_gen_sar_i64(t0, t0, t1); 4040 break; 4041 case OPC_SRL_CP2: 4042 /* We want to shift in zeros for SRL; zero-extend first. */ 4043 tcg_gen_ext32u_i64(t0, t0); 4044 /* FALLTHRU */ 4045 case OPC_DSRL_CP2: 4046 tcg_gen_shr_i64(t0, t0, t1); 4047 break; 4048 } 4049 4050 if (shift_max == 32) { 4051 tcg_gen_ext32s_i64(t0, t0); 4052 } 4053 4054 /* Shifts larger than MAX produce zero. */ 4055 tcg_gen_setcondi_i64(TCG_COND_LTU, t1, t1, shift_max); 4056 tcg_gen_neg_i64(t1, t1); 4057 tcg_gen_and_i64(t0, t0, t1); 4058 break; 4059 4060 case OPC_ADD_CP2: 4061 case OPC_DADD_CP2: 4062 { 4063 TCGv_i64 t2 = tcg_temp_new_i64(); 4064 TCGLabel *lab = gen_new_label(); 4065 4066 tcg_gen_mov_i64(t2, t0); 4067 tcg_gen_add_i64(t0, t1, t2); 4068 if (opc == OPC_ADD_CP2) { 4069 tcg_gen_ext32s_i64(t0, t0); 4070 } 4071 tcg_gen_xor_i64(t1, t1, t2); 4072 tcg_gen_xor_i64(t2, t2, t0); 4073 tcg_gen_andc_i64(t1, t2, t1); 4074 tcg_gen_brcondi_i64(TCG_COND_GE, t1, 0, lab); 4075 generate_exception(ctx, EXCP_OVERFLOW); 4076 gen_set_label(lab); 4077 break; 4078 } 4079 4080 case OPC_SUB_CP2: 4081 case OPC_DSUB_CP2: 4082 { 4083 TCGv_i64 t2 = tcg_temp_new_i64(); 4084 TCGLabel *lab = gen_new_label(); 4085 4086 tcg_gen_mov_i64(t2, t0); 4087 tcg_gen_sub_i64(t0, t1, t2); 4088 if (opc == OPC_SUB_CP2) { 4089 tcg_gen_ext32s_i64(t0, t0); 4090 } 4091 tcg_gen_xor_i64(t1, t1, t2); 4092 tcg_gen_xor_i64(t2, t2, t0); 4093 tcg_gen_and_i64(t1, t1, t2); 4094 tcg_gen_brcondi_i64(TCG_COND_GE, t1, 0, lab); 4095 generate_exception(ctx, EXCP_OVERFLOW); 4096 gen_set_label(lab); 4097 break; 4098 } 4099 4100 case OPC_PMULUW: 4101 tcg_gen_ext32u_i64(t0, t0); 4102 tcg_gen_ext32u_i64(t1, t1); 4103 tcg_gen_mul_i64(t0, t0, t1); 4104 break; 4105 4106 case OPC_SEQU_CP2: 4107 case OPC_SEQ_CP2: 4108 cond = TCG_COND_EQ; 4109 goto do_cc_cond; 4110 break; 4111 case OPC_SLTU_CP2: 4112 cond = TCG_COND_LTU; 4113 goto do_cc_cond; 4114 break; 4115 case OPC_SLT_CP2: 4116 cond = TCG_COND_LT; 4117 goto do_cc_cond; 4118 break; 4119 case OPC_SLEU_CP2: 4120 cond = TCG_COND_LEU; 4121 goto do_cc_cond; 4122 break; 4123 case OPC_SLE_CP2: 4124 cond = TCG_COND_LE; 4125 do_cc_cond: 4126 { 4127 int cc = (ctx->opcode >> 8) & 0x7; 4128 TCGv_i64 t64 = tcg_temp_new_i64(); 4129 TCGv_i32 t32 = tcg_temp_new_i32(); 4130 4131 tcg_gen_setcond_i64(cond, t64, t0, t1); 4132 tcg_gen_extrl_i64_i32(t32, t64); 4133 tcg_gen_deposit_i32(fpu_fcr31, fpu_fcr31, t32, 4134 get_fp_bit(cc), 1); 4135 } 4136 return; 4137 default: 4138 MIPS_INVAL("loongson_cp2"); 4139 gen_reserved_instruction(ctx); 4140 return; 4141 } 4142 4143 gen_store_fpr64(ctx, t0, rd); 4144 } 4145 4146 static void gen_loongson_lswc2(DisasContext *ctx, int rt, 4147 int rs, int rd) 4148 { 4149 TCGv t0, t1; 4150 TCGv_i32 fp0; 4151 #if defined(TARGET_MIPS64) 4152 int lsq_rt1 = ctx->opcode & 0x1f; 4153 int lsq_offset = sextract32(ctx->opcode, 6, 9) << 4; 4154 #endif 4155 int shf_offset = sextract32(ctx->opcode, 6, 8); 4156 4157 t0 = tcg_temp_new(); 4158 4159 switch (MASK_LOONGSON_GSLSQ(ctx->opcode)) { 4160 #if defined(TARGET_MIPS64) 4161 case OPC_GSLQ: 4162 t1 = tcg_temp_new(); 4163 gen_base_offset_addr(ctx, t0, rs, lsq_offset); 4164 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEUQ | 4165 ctx->default_tcg_memop_mask); 4166 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); 4167 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ | 4168 ctx->default_tcg_memop_mask); 4169 gen_store_gpr(t1, rt); 4170 gen_store_gpr(t0, lsq_rt1); 4171 break; 4172 case OPC_GSLQC1: 4173 check_cp1_enabled(ctx); 4174 t1 = tcg_temp_new(); 4175 gen_base_offset_addr(ctx, t0, rs, lsq_offset); 4176 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TEUQ | 4177 ctx->default_tcg_memop_mask); 4178 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); 4179 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ | 4180 ctx->default_tcg_memop_mask); 4181 gen_store_fpr64(ctx, t1, rt); 4182 gen_store_fpr64(ctx, t0, lsq_rt1); 4183 break; 4184 case OPC_GSSQ: 4185 t1 = tcg_temp_new(); 4186 gen_base_offset_addr(ctx, t0, rs, lsq_offset); 4187 gen_load_gpr(t1, rt); 4188 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ | 4189 ctx->default_tcg_memop_mask); 4190 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); 4191 gen_load_gpr(t1, lsq_rt1); 4192 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ | 4193 ctx->default_tcg_memop_mask); 4194 break; 4195 case OPC_GSSQC1: 4196 check_cp1_enabled(ctx); 4197 t1 = tcg_temp_new(); 4198 gen_base_offset_addr(ctx, t0, rs, lsq_offset); 4199 gen_load_fpr64(ctx, t1, rt); 4200 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ | 4201 ctx->default_tcg_memop_mask); 4202 gen_base_offset_addr(ctx, t0, rs, lsq_offset + 8); 4203 gen_load_fpr64(ctx, t1, lsq_rt1); 4204 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ | 4205 ctx->default_tcg_memop_mask); 4206 break; 4207 #endif 4208 case OPC_GSSHFL: 4209 switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) { 4210 case OPC_GSLWLC1: 4211 check_cp1_enabled(ctx); 4212 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4213 fp0 = tcg_temp_new_i32(); 4214 gen_load_fpr32(ctx, fp0, rt); 4215 t1 = tcg_temp_new(); 4216 tcg_gen_ext_i32_tl(t1, fp0); 4217 gen_lxl(ctx, t1, t0, ctx->mem_idx, MO_TEUL); 4218 tcg_gen_trunc_tl_i32(fp0, t1); 4219 gen_store_fpr32(ctx, fp0, rt); 4220 break; 4221 case OPC_GSLWRC1: 4222 check_cp1_enabled(ctx); 4223 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4224 fp0 = tcg_temp_new_i32(); 4225 gen_load_fpr32(ctx, fp0, rt); 4226 t1 = tcg_temp_new(); 4227 tcg_gen_ext_i32_tl(t1, fp0); 4228 gen_lxr(ctx, t1, t0, ctx->mem_idx, MO_TEUL); 4229 tcg_gen_trunc_tl_i32(fp0, t1); 4230 gen_store_fpr32(ctx, fp0, rt); 4231 break; 4232 #if defined(TARGET_MIPS64) 4233 case OPC_GSLDLC1: 4234 check_cp1_enabled(ctx); 4235 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4236 t1 = tcg_temp_new(); 4237 gen_load_fpr64(ctx, t1, rt); 4238 gen_lxl(ctx, t1, t0, ctx->mem_idx, MO_TEUQ); 4239 gen_store_fpr64(ctx, t1, rt); 4240 break; 4241 case OPC_GSLDRC1: 4242 check_cp1_enabled(ctx); 4243 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4244 t1 = tcg_temp_new(); 4245 gen_load_fpr64(ctx, t1, rt); 4246 gen_lxr(ctx, t1, t0, ctx->mem_idx, MO_TEUQ); 4247 gen_store_fpr64(ctx, t1, rt); 4248 break; 4249 #endif 4250 default: 4251 MIPS_INVAL("loongson_gsshfl"); 4252 gen_reserved_instruction(ctx); 4253 break; 4254 } 4255 break; 4256 case OPC_GSSHFS: 4257 switch (MASK_LOONGSON_GSSHFLS(ctx->opcode)) { 4258 case OPC_GSSWLC1: 4259 check_cp1_enabled(ctx); 4260 t1 = tcg_temp_new(); 4261 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4262 fp0 = tcg_temp_new_i32(); 4263 gen_load_fpr32(ctx, fp0, rt); 4264 tcg_gen_ext_i32_tl(t1, fp0); 4265 gen_helper_0e2i(swl, t1, t0, ctx->mem_idx); 4266 break; 4267 case OPC_GSSWRC1: 4268 check_cp1_enabled(ctx); 4269 t1 = tcg_temp_new(); 4270 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4271 fp0 = tcg_temp_new_i32(); 4272 gen_load_fpr32(ctx, fp0, rt); 4273 tcg_gen_ext_i32_tl(t1, fp0); 4274 gen_helper_0e2i(swr, t1, t0, ctx->mem_idx); 4275 break; 4276 #if defined(TARGET_MIPS64) 4277 case OPC_GSSDLC1: 4278 check_cp1_enabled(ctx); 4279 t1 = tcg_temp_new(); 4280 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4281 gen_load_fpr64(ctx, t1, rt); 4282 gen_helper_0e2i(sdl, t1, t0, ctx->mem_idx); 4283 break; 4284 case OPC_GSSDRC1: 4285 check_cp1_enabled(ctx); 4286 t1 = tcg_temp_new(); 4287 gen_base_offset_addr(ctx, t0, rs, shf_offset); 4288 gen_load_fpr64(ctx, t1, rt); 4289 gen_helper_0e2i(sdr, t1, t0, ctx->mem_idx); 4290 break; 4291 #endif 4292 default: 4293 MIPS_INVAL("loongson_gsshfs"); 4294 gen_reserved_instruction(ctx); 4295 break; 4296 } 4297 break; 4298 default: 4299 MIPS_INVAL("loongson_gslsq"); 4300 gen_reserved_instruction(ctx); 4301 break; 4302 } 4303 } 4304 4305 /* Loongson EXT LDC2/SDC2 */ 4306 static void gen_loongson_lsdc2(DisasContext *ctx, int rt, 4307 int rs, int rd) 4308 { 4309 int offset = sextract32(ctx->opcode, 3, 8); 4310 uint32_t opc = MASK_LOONGSON_LSDC2(ctx->opcode); 4311 TCGv t0, t1; 4312 TCGv_i32 fp0; 4313 4314 /* Pre-conditions */ 4315 switch (opc) { 4316 case OPC_GSLBX: 4317 case OPC_GSLHX: 4318 case OPC_GSLWX: 4319 case OPC_GSLDX: 4320 /* prefetch, implement as NOP */ 4321 if (rt == 0) { 4322 return; 4323 } 4324 break; 4325 case OPC_GSSBX: 4326 case OPC_GSSHX: 4327 case OPC_GSSWX: 4328 case OPC_GSSDX: 4329 break; 4330 case OPC_GSLWXC1: 4331 #if defined(TARGET_MIPS64) 4332 case OPC_GSLDXC1: 4333 #endif 4334 check_cp1_enabled(ctx); 4335 /* prefetch, implement as NOP */ 4336 if (rt == 0) { 4337 return; 4338 } 4339 break; 4340 case OPC_GSSWXC1: 4341 #if defined(TARGET_MIPS64) 4342 case OPC_GSSDXC1: 4343 #endif 4344 check_cp1_enabled(ctx); 4345 break; 4346 default: 4347 MIPS_INVAL("loongson_lsdc2"); 4348 gen_reserved_instruction(ctx); 4349 return; 4350 break; 4351 } 4352 4353 t0 = tcg_temp_new(); 4354 4355 gen_base_offset_addr(ctx, t0, rs, offset); 4356 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4357 4358 switch (opc) { 4359 case OPC_GSLBX: 4360 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_SB); 4361 gen_store_gpr(t0, rt); 4362 break; 4363 case OPC_GSLHX: 4364 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW | 4365 ctx->default_tcg_memop_mask); 4366 gen_store_gpr(t0, rt); 4367 break; 4368 case OPC_GSLWX: 4369 gen_base_offset_addr(ctx, t0, rs, offset); 4370 if (rd) { 4371 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4372 } 4373 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL | 4374 ctx->default_tcg_memop_mask); 4375 gen_store_gpr(t0, rt); 4376 break; 4377 #if defined(TARGET_MIPS64) 4378 case OPC_GSLDX: 4379 gen_base_offset_addr(ctx, t0, rs, offset); 4380 if (rd) { 4381 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4382 } 4383 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ | 4384 ctx->default_tcg_memop_mask); 4385 gen_store_gpr(t0, rt); 4386 break; 4387 #endif 4388 case OPC_GSLWXC1: 4389 gen_base_offset_addr(ctx, t0, rs, offset); 4390 if (rd) { 4391 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4392 } 4393 fp0 = tcg_temp_new_i32(); 4394 tcg_gen_qemu_ld_i32(fp0, t0, ctx->mem_idx, MO_TESL | 4395 ctx->default_tcg_memop_mask); 4396 gen_store_fpr32(ctx, fp0, rt); 4397 break; 4398 #if defined(TARGET_MIPS64) 4399 case OPC_GSLDXC1: 4400 gen_base_offset_addr(ctx, t0, rs, offset); 4401 if (rd) { 4402 gen_op_addr_add(ctx, t0, cpu_gpr[rd], t0); 4403 } 4404 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ | 4405 ctx->default_tcg_memop_mask); 4406 gen_store_fpr64(ctx, t0, rt); 4407 break; 4408 #endif 4409 case OPC_GSSBX: 4410 t1 = tcg_temp_new(); 4411 gen_load_gpr(t1, rt); 4412 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_SB); 4413 break; 4414 case OPC_GSSHX: 4415 t1 = tcg_temp_new(); 4416 gen_load_gpr(t1, rt); 4417 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUW | 4418 ctx->default_tcg_memop_mask); 4419 break; 4420 case OPC_GSSWX: 4421 t1 = tcg_temp_new(); 4422 gen_load_gpr(t1, rt); 4423 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUL | 4424 ctx->default_tcg_memop_mask); 4425 break; 4426 #if defined(TARGET_MIPS64) 4427 case OPC_GSSDX: 4428 t1 = tcg_temp_new(); 4429 gen_load_gpr(t1, rt); 4430 tcg_gen_qemu_st_tl(t1, t0, ctx->mem_idx, MO_TEUQ | 4431 ctx->default_tcg_memop_mask); 4432 break; 4433 #endif 4434 case OPC_GSSWXC1: 4435 fp0 = tcg_temp_new_i32(); 4436 gen_load_fpr32(ctx, fp0, rt); 4437 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL | 4438 ctx->default_tcg_memop_mask); 4439 break; 4440 #if defined(TARGET_MIPS64) 4441 case OPC_GSSDXC1: 4442 t1 = tcg_temp_new(); 4443 gen_load_fpr64(ctx, t1, rt); 4444 tcg_gen_qemu_st_i64(t1, t0, ctx->mem_idx, MO_TEUQ | 4445 ctx->default_tcg_memop_mask); 4446 break; 4447 #endif 4448 default: 4449 break; 4450 } 4451 } 4452 4453 /* Traps */ 4454 static void gen_trap(DisasContext *ctx, uint32_t opc, 4455 int rs, int rt, int16_t imm, int code) 4456 { 4457 int cond; 4458 TCGv t0 = tcg_temp_new(); 4459 TCGv t1 = tcg_temp_new(); 4460 4461 cond = 0; 4462 /* Load needed operands */ 4463 switch (opc) { 4464 case OPC_TEQ: 4465 case OPC_TGE: 4466 case OPC_TGEU: 4467 case OPC_TLT: 4468 case OPC_TLTU: 4469 case OPC_TNE: 4470 /* Compare two registers */ 4471 if (rs != rt) { 4472 gen_load_gpr(t0, rs); 4473 gen_load_gpr(t1, rt); 4474 cond = 1; 4475 } 4476 break; 4477 case OPC_TEQI: 4478 case OPC_TGEI: 4479 case OPC_TGEIU: 4480 case OPC_TLTI: 4481 case OPC_TLTIU: 4482 case OPC_TNEI: 4483 /* Compare register to immediate */ 4484 if (rs != 0 || imm != 0) { 4485 gen_load_gpr(t0, rs); 4486 tcg_gen_movi_tl(t1, (int32_t)imm); 4487 cond = 1; 4488 } 4489 break; 4490 } 4491 if (cond == 0) { 4492 switch (opc) { 4493 case OPC_TEQ: /* rs == rs */ 4494 case OPC_TEQI: /* r0 == 0 */ 4495 case OPC_TGE: /* rs >= rs */ 4496 case OPC_TGEI: /* r0 >= 0 */ 4497 case OPC_TGEU: /* rs >= rs unsigned */ 4498 case OPC_TGEIU: /* r0 >= 0 unsigned */ 4499 /* Always trap */ 4500 #ifdef CONFIG_USER_ONLY 4501 /* Pass the break code along to cpu_loop. */ 4502 tcg_gen_st_i32(tcg_constant_i32(code), tcg_env, 4503 offsetof(CPUMIPSState, error_code)); 4504 #endif 4505 generate_exception_end(ctx, EXCP_TRAP); 4506 break; 4507 case OPC_TLT: /* rs < rs */ 4508 case OPC_TLTI: /* r0 < 0 */ 4509 case OPC_TLTU: /* rs < rs unsigned */ 4510 case OPC_TLTIU: /* r0 < 0 unsigned */ 4511 case OPC_TNE: /* rs != rs */ 4512 case OPC_TNEI: /* r0 != 0 */ 4513 /* Never trap: treat as NOP. */ 4514 break; 4515 } 4516 } else { 4517 TCGLabel *l1 = gen_new_label(); 4518 4519 switch (opc) { 4520 case OPC_TEQ: 4521 case OPC_TEQI: 4522 tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1); 4523 break; 4524 case OPC_TGE: 4525 case OPC_TGEI: 4526 tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1); 4527 break; 4528 case OPC_TGEU: 4529 case OPC_TGEIU: 4530 tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1); 4531 break; 4532 case OPC_TLT: 4533 case OPC_TLTI: 4534 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1); 4535 break; 4536 case OPC_TLTU: 4537 case OPC_TLTIU: 4538 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1); 4539 break; 4540 case OPC_TNE: 4541 case OPC_TNEI: 4542 tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1); 4543 break; 4544 } 4545 #ifdef CONFIG_USER_ONLY 4546 /* Pass the break code along to cpu_loop. */ 4547 tcg_gen_st_i32(tcg_constant_i32(code), tcg_env, 4548 offsetof(CPUMIPSState, error_code)); 4549 #endif 4550 /* Like save_cpu_state, only don't update saved values. */ 4551 if (ctx->base.pc_next != ctx->saved_pc) { 4552 gen_save_pc(ctx->base.pc_next); 4553 } 4554 if (ctx->hflags != ctx->saved_hflags) { 4555 tcg_gen_movi_i32(hflags, ctx->hflags); 4556 } 4557 generate_exception(ctx, EXCP_TRAP); 4558 gen_set_label(l1); 4559 } 4560 } 4561 4562 static void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest) 4563 { 4564 if (translator_use_goto_tb(&ctx->base, dest)) { 4565 tcg_gen_goto_tb(n); 4566 gen_save_pc(dest); 4567 tcg_gen_exit_tb(ctx->base.tb, n); 4568 } else { 4569 gen_save_pc(dest); 4570 tcg_gen_lookup_and_goto_ptr(); 4571 } 4572 } 4573 4574 /* Branches (before delay slot) */ 4575 static void gen_compute_branch(DisasContext *ctx, uint32_t opc, 4576 int insn_bytes, 4577 int rs, int rt, int32_t offset, 4578 int delayslot_size) 4579 { 4580 target_ulong btgt = -1; 4581 int blink = 0; 4582 int bcond_compute = 0; 4583 TCGv t0 = tcg_temp_new(); 4584 TCGv t1 = tcg_temp_new(); 4585 4586 if (ctx->hflags & MIPS_HFLAG_BMASK) { 4587 #ifdef MIPS_DEBUG_DISAS 4588 LOG_DISAS("Branch in delay / forbidden slot at PC 0x" 4589 TARGET_FMT_lx "\n", ctx->base.pc_next); 4590 #endif 4591 gen_reserved_instruction(ctx); 4592 goto out; 4593 } 4594 4595 /* Load needed operands */ 4596 switch (opc) { 4597 case OPC_BEQ: 4598 case OPC_BEQL: 4599 case OPC_BNE: 4600 case OPC_BNEL: 4601 /* Compare two registers */ 4602 if (rs != rt) { 4603 gen_load_gpr(t0, rs); 4604 gen_load_gpr(t1, rt); 4605 bcond_compute = 1; 4606 } 4607 btgt = ctx->base.pc_next + insn_bytes + offset; 4608 break; 4609 case OPC_BGEZ: 4610 case OPC_BGEZAL: 4611 case OPC_BGEZALL: 4612 case OPC_BGEZL: 4613 case OPC_BGTZ: 4614 case OPC_BGTZL: 4615 case OPC_BLEZ: 4616 case OPC_BLEZL: 4617 case OPC_BLTZ: 4618 case OPC_BLTZAL: 4619 case OPC_BLTZALL: 4620 case OPC_BLTZL: 4621 /* Compare to zero */ 4622 if (rs != 0) { 4623 gen_load_gpr(t0, rs); 4624 bcond_compute = 1; 4625 } 4626 btgt = ctx->base.pc_next + insn_bytes + offset; 4627 break; 4628 case OPC_BPOSGE32: 4629 #if defined(TARGET_MIPS64) 4630 case OPC_BPOSGE64: 4631 tcg_gen_andi_tl(t0, cpu_dspctrl, 0x7F); 4632 #else 4633 tcg_gen_andi_tl(t0, cpu_dspctrl, 0x3F); 4634 #endif 4635 bcond_compute = 1; 4636 btgt = ctx->base.pc_next + insn_bytes + offset; 4637 break; 4638 case OPC_J: 4639 case OPC_JAL: 4640 { 4641 /* Jump to immediate */ 4642 int jal_mask = ctx->hflags & MIPS_HFLAG_M16 ? 0xF8000000 4643 : 0xF0000000; 4644 btgt = ((ctx->base.pc_next + insn_bytes) & jal_mask) 4645 | (uint32_t)offset; 4646 break; 4647 } 4648 case OPC_JALX: 4649 /* Jump to immediate */ 4650 btgt = ((ctx->base.pc_next + insn_bytes) & (int32_t)0xF0000000) | 4651 (uint32_t)offset; 4652 break; 4653 case OPC_JR: 4654 case OPC_JALR: 4655 /* Jump to register */ 4656 if (offset != 0 && offset != 16) { 4657 /* 4658 * Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the 4659 * others are reserved. 4660 */ 4661 MIPS_INVAL("jump hint"); 4662 gen_reserved_instruction(ctx); 4663 goto out; 4664 } 4665 gen_load_gpr(btarget, rs); 4666 break; 4667 default: 4668 MIPS_INVAL("branch/jump"); 4669 gen_reserved_instruction(ctx); 4670 goto out; 4671 } 4672 if (bcond_compute == 0) { 4673 /* No condition to be computed */ 4674 switch (opc) { 4675 case OPC_BEQ: /* rx == rx */ 4676 case OPC_BEQL: /* rx == rx likely */ 4677 case OPC_BGEZ: /* 0 >= 0 */ 4678 case OPC_BGEZL: /* 0 >= 0 likely */ 4679 case OPC_BLEZ: /* 0 <= 0 */ 4680 case OPC_BLEZL: /* 0 <= 0 likely */ 4681 /* Always take */ 4682 ctx->hflags |= MIPS_HFLAG_B; 4683 break; 4684 case OPC_BGEZAL: /* 0 >= 0 */ 4685 case OPC_BGEZALL: /* 0 >= 0 likely */ 4686 /* Always take and link */ 4687 blink = 31; 4688 ctx->hflags |= MIPS_HFLAG_B; 4689 break; 4690 case OPC_BNE: /* rx != rx */ 4691 case OPC_BGTZ: /* 0 > 0 */ 4692 case OPC_BLTZ: /* 0 < 0 */ 4693 /* Treat as NOP. */ 4694 goto out; 4695 case OPC_BLTZAL: /* 0 < 0 */ 4696 /* 4697 * Handle as an unconditional branch to get correct delay 4698 * slot checking. 4699 */ 4700 blink = 31; 4701 btgt = ctx->base.pc_next + insn_bytes + delayslot_size; 4702 ctx->hflags |= MIPS_HFLAG_B; 4703 break; 4704 case OPC_BLTZALL: /* 0 < 0 likely */ 4705 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 8); 4706 /* Skip the instruction in the delay slot */ 4707 ctx->base.pc_next += 4; 4708 goto out; 4709 case OPC_BNEL: /* rx != rx likely */ 4710 case OPC_BGTZL: /* 0 > 0 likely */ 4711 case OPC_BLTZL: /* 0 < 0 likely */ 4712 /* Skip the instruction in the delay slot */ 4713 ctx->base.pc_next += 4; 4714 goto out; 4715 case OPC_J: 4716 ctx->hflags |= MIPS_HFLAG_B; 4717 break; 4718 case OPC_JALX: 4719 ctx->hflags |= MIPS_HFLAG_BX; 4720 /* Fallthrough */ 4721 case OPC_JAL: 4722 blink = 31; 4723 ctx->hflags |= MIPS_HFLAG_B; 4724 break; 4725 case OPC_JR: 4726 ctx->hflags |= MIPS_HFLAG_BR; 4727 break; 4728 case OPC_JALR: 4729 blink = rt; 4730 ctx->hflags |= MIPS_HFLAG_BR; 4731 break; 4732 default: 4733 MIPS_INVAL("branch/jump"); 4734 gen_reserved_instruction(ctx); 4735 goto out; 4736 } 4737 } else { 4738 switch (opc) { 4739 case OPC_BEQ: 4740 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1); 4741 goto not_likely; 4742 case OPC_BEQL: 4743 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1); 4744 goto likely; 4745 case OPC_BNE: 4746 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1); 4747 goto not_likely; 4748 case OPC_BNEL: 4749 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1); 4750 goto likely; 4751 case OPC_BGEZ: 4752 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); 4753 goto not_likely; 4754 case OPC_BGEZL: 4755 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); 4756 goto likely; 4757 case OPC_BGEZAL: 4758 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); 4759 blink = 31; 4760 goto not_likely; 4761 case OPC_BGEZALL: 4762 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0); 4763 blink = 31; 4764 goto likely; 4765 case OPC_BGTZ: 4766 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0); 4767 goto not_likely; 4768 case OPC_BGTZL: 4769 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0); 4770 goto likely; 4771 case OPC_BLEZ: 4772 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0); 4773 goto not_likely; 4774 case OPC_BLEZL: 4775 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0); 4776 goto likely; 4777 case OPC_BLTZ: 4778 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); 4779 goto not_likely; 4780 case OPC_BLTZL: 4781 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); 4782 goto likely; 4783 case OPC_BPOSGE32: 4784 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 32); 4785 goto not_likely; 4786 #if defined(TARGET_MIPS64) 4787 case OPC_BPOSGE64: 4788 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 64); 4789 goto not_likely; 4790 #endif 4791 case OPC_BLTZAL: 4792 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); 4793 blink = 31; 4794 not_likely: 4795 ctx->hflags |= MIPS_HFLAG_BC; 4796 break; 4797 case OPC_BLTZALL: 4798 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0); 4799 blink = 31; 4800 likely: 4801 ctx->hflags |= MIPS_HFLAG_BL; 4802 break; 4803 default: 4804 MIPS_INVAL("conditional branch/jump"); 4805 gen_reserved_instruction(ctx); 4806 goto out; 4807 } 4808 } 4809 4810 ctx->btarget = btgt; 4811 4812 switch (delayslot_size) { 4813 case 2: 4814 ctx->hflags |= MIPS_HFLAG_BDS16; 4815 break; 4816 case 4: 4817 ctx->hflags |= MIPS_HFLAG_BDS32; 4818 break; 4819 } 4820 4821 if (blink > 0) { 4822 int post_delay = insn_bytes + delayslot_size; 4823 int lowbit = !!(ctx->hflags & MIPS_HFLAG_M16); 4824 4825 tcg_gen_movi_tl(cpu_gpr[blink], 4826 ctx->base.pc_next + post_delay + lowbit); 4827 } 4828 4829 out: 4830 if (insn_bytes == 2) { 4831 ctx->hflags |= MIPS_HFLAG_B16; 4832 } 4833 } 4834 4835 4836 /* special3 bitfield operations */ 4837 static void gen_bitops(DisasContext *ctx, uint32_t opc, int rt, 4838 int rs, int lsb, int msb) 4839 { 4840 TCGv t0 = tcg_temp_new(); 4841 TCGv t1 = tcg_temp_new(); 4842 4843 gen_load_gpr(t1, rs); 4844 switch (opc) { 4845 case OPC_EXT: 4846 if (lsb + msb > 31) { 4847 goto fail; 4848 } 4849 if (msb != 31) { 4850 tcg_gen_extract_tl(t0, t1, lsb, msb + 1); 4851 } else { 4852 /* 4853 * The two checks together imply that lsb == 0, 4854 * so this is a simple sign-extension. 4855 */ 4856 tcg_gen_ext32s_tl(t0, t1); 4857 } 4858 break; 4859 #if defined(TARGET_MIPS64) 4860 case OPC_DEXTU: 4861 lsb += 32; 4862 goto do_dext; 4863 case OPC_DEXTM: 4864 msb += 32; 4865 goto do_dext; 4866 case OPC_DEXT: 4867 do_dext: 4868 if (lsb + msb > 63) { 4869 goto fail; 4870 } 4871 tcg_gen_extract_tl(t0, t1, lsb, msb + 1); 4872 break; 4873 #endif 4874 case OPC_INS: 4875 if (lsb > msb) { 4876 goto fail; 4877 } 4878 gen_load_gpr(t0, rt); 4879 tcg_gen_deposit_tl(t0, t0, t1, lsb, msb - lsb + 1); 4880 tcg_gen_ext32s_tl(t0, t0); 4881 break; 4882 #if defined(TARGET_MIPS64) 4883 case OPC_DINSU: 4884 lsb += 32; 4885 /* FALLTHRU */ 4886 case OPC_DINSM: 4887 msb += 32; 4888 /* FALLTHRU */ 4889 case OPC_DINS: 4890 if (lsb > msb) { 4891 goto fail; 4892 } 4893 gen_load_gpr(t0, rt); 4894 tcg_gen_deposit_tl(t0, t0, t1, lsb, msb - lsb + 1); 4895 break; 4896 #endif 4897 default: 4898 fail: 4899 MIPS_INVAL("bitops"); 4900 gen_reserved_instruction(ctx); 4901 return; 4902 } 4903 gen_store_gpr(t0, rt); 4904 } 4905 4906 static void gen_bshfl(DisasContext *ctx, uint32_t op2, int rt, int rd) 4907 { 4908 TCGv t0; 4909 4910 if (rd == 0) { 4911 /* If no destination, treat it as a NOP. */ 4912 return; 4913 } 4914 4915 t0 = tcg_temp_new(); 4916 gen_load_gpr(t0, rt); 4917 switch (op2) { 4918 case OPC_WSBH: 4919 { 4920 TCGv t1 = tcg_temp_new(); 4921 TCGv t2 = tcg_constant_tl(0x00FF00FF); 4922 4923 tcg_gen_shri_tl(t1, t0, 8); 4924 tcg_gen_and_tl(t1, t1, t2); 4925 tcg_gen_and_tl(t0, t0, t2); 4926 tcg_gen_shli_tl(t0, t0, 8); 4927 tcg_gen_or_tl(t0, t0, t1); 4928 tcg_gen_ext32s_tl(cpu_gpr[rd], t0); 4929 } 4930 break; 4931 case OPC_SEB: 4932 tcg_gen_ext8s_tl(cpu_gpr[rd], t0); 4933 break; 4934 case OPC_SEH: 4935 tcg_gen_ext16s_tl(cpu_gpr[rd], t0); 4936 break; 4937 #if defined(TARGET_MIPS64) 4938 case OPC_DSBH: 4939 { 4940 TCGv t1 = tcg_temp_new(); 4941 TCGv t2 = tcg_constant_tl(0x00FF00FF00FF00FFULL); 4942 4943 tcg_gen_shri_tl(t1, t0, 8); 4944 tcg_gen_and_tl(t1, t1, t2); 4945 tcg_gen_and_tl(t0, t0, t2); 4946 tcg_gen_shli_tl(t0, t0, 8); 4947 tcg_gen_or_tl(cpu_gpr[rd], t0, t1); 4948 } 4949 break; 4950 case OPC_DSHD: 4951 { 4952 TCGv t1 = tcg_temp_new(); 4953 TCGv t2 = tcg_constant_tl(0x0000FFFF0000FFFFULL); 4954 4955 tcg_gen_shri_tl(t1, t0, 16); 4956 tcg_gen_and_tl(t1, t1, t2); 4957 tcg_gen_and_tl(t0, t0, t2); 4958 tcg_gen_shli_tl(t0, t0, 16); 4959 tcg_gen_or_tl(t0, t0, t1); 4960 tcg_gen_shri_tl(t1, t0, 32); 4961 tcg_gen_shli_tl(t0, t0, 32); 4962 tcg_gen_or_tl(cpu_gpr[rd], t0, t1); 4963 } 4964 break; 4965 #endif 4966 default: 4967 MIPS_INVAL("bsfhl"); 4968 gen_reserved_instruction(ctx); 4969 return; 4970 } 4971 } 4972 4973 static void gen_align_bits(DisasContext *ctx, int wordsz, int rd, int rs, 4974 int rt, int bits) 4975 { 4976 TCGv t0; 4977 if (rd == 0) { 4978 /* Treat as NOP. */ 4979 return; 4980 } 4981 t0 = tcg_temp_new(); 4982 if (bits == 0 || bits == wordsz) { 4983 if (bits == 0) { 4984 gen_load_gpr(t0, rt); 4985 } else { 4986 gen_load_gpr(t0, rs); 4987 } 4988 switch (wordsz) { 4989 case 32: 4990 tcg_gen_ext32s_tl(cpu_gpr[rd], t0); 4991 break; 4992 #if defined(TARGET_MIPS64) 4993 case 64: 4994 tcg_gen_mov_tl(cpu_gpr[rd], t0); 4995 break; 4996 #endif 4997 } 4998 } else { 4999 TCGv t1 = tcg_temp_new(); 5000 gen_load_gpr(t0, rt); 5001 gen_load_gpr(t1, rs); 5002 switch (wordsz) { 5003 case 32: 5004 { 5005 TCGv_i64 t2 = tcg_temp_new_i64(); 5006 tcg_gen_concat_tl_i64(t2, t1, t0); 5007 tcg_gen_shri_i64(t2, t2, 32 - bits); 5008 gen_move_low32(cpu_gpr[rd], t2); 5009 } 5010 break; 5011 #if defined(TARGET_MIPS64) 5012 case 64: 5013 tcg_gen_shli_tl(t0, t0, bits); 5014 tcg_gen_shri_tl(t1, t1, 64 - bits); 5015 tcg_gen_or_tl(cpu_gpr[rd], t1, t0); 5016 break; 5017 #endif 5018 } 5019 } 5020 } 5021 5022 void gen_align(DisasContext *ctx, int wordsz, int rd, int rs, int rt, int bp) 5023 { 5024 gen_align_bits(ctx, wordsz, rd, rs, rt, bp * 8); 5025 } 5026 5027 static void gen_bitswap(DisasContext *ctx, int opc, int rd, int rt) 5028 { 5029 TCGv t0; 5030 if (rd == 0) { 5031 /* Treat as NOP. */ 5032 return; 5033 } 5034 t0 = tcg_temp_new(); 5035 gen_load_gpr(t0, rt); 5036 switch (opc) { 5037 case OPC_BITSWAP: 5038 gen_helper_bitswap(cpu_gpr[rd], t0); 5039 break; 5040 #if defined(TARGET_MIPS64) 5041 case OPC_DBITSWAP: 5042 gen_helper_dbitswap(cpu_gpr[rd], t0); 5043 break; 5044 #endif 5045 } 5046 } 5047 5048 #ifndef CONFIG_USER_ONLY 5049 /* CP0 (MMU and control) */ 5050 static inline void gen_mthc0_entrylo(TCGv arg, target_ulong off) 5051 { 5052 TCGv_i64 t0 = tcg_temp_new_i64(); 5053 TCGv_i64 t1 = tcg_temp_new_i64(); 5054 5055 tcg_gen_ext_tl_i64(t0, arg); 5056 tcg_gen_ld_i64(t1, tcg_env, off); 5057 #if defined(TARGET_MIPS64) 5058 tcg_gen_deposit_i64(t1, t1, t0, 30, 32); 5059 #else 5060 tcg_gen_concat32_i64(t1, t1, t0); 5061 #endif 5062 tcg_gen_st_i64(t1, tcg_env, off); 5063 } 5064 5065 static inline void gen_mthc0_store64(TCGv arg, target_ulong off) 5066 { 5067 TCGv_i64 t0 = tcg_temp_new_i64(); 5068 TCGv_i64 t1 = tcg_temp_new_i64(); 5069 5070 tcg_gen_ext_tl_i64(t0, arg); 5071 tcg_gen_ld_i64(t1, tcg_env, off); 5072 tcg_gen_concat32_i64(t1, t1, t0); 5073 tcg_gen_st_i64(t1, tcg_env, off); 5074 } 5075 5076 static inline void gen_mfhc0_entrylo(TCGv arg, target_ulong off) 5077 { 5078 TCGv_i64 t0 = tcg_temp_new_i64(); 5079 5080 tcg_gen_ld_i64(t0, tcg_env, off); 5081 #if defined(TARGET_MIPS64) 5082 tcg_gen_shri_i64(t0, t0, 30); 5083 #else 5084 tcg_gen_shri_i64(t0, t0, 32); 5085 #endif 5086 gen_move_low32(arg, t0); 5087 } 5088 5089 static inline void gen_mfhc0_load64(TCGv arg, target_ulong off, int shift) 5090 { 5091 TCGv_i64 t0 = tcg_temp_new_i64(); 5092 5093 tcg_gen_ld_i64(t0, tcg_env, off); 5094 tcg_gen_shri_i64(t0, t0, 32 + shift); 5095 gen_move_low32(arg, t0); 5096 } 5097 5098 static inline void gen_mfc0_load32(TCGv arg, target_ulong off) 5099 { 5100 TCGv_i32 t0 = tcg_temp_new_i32(); 5101 5102 tcg_gen_ld_i32(t0, tcg_env, off); 5103 tcg_gen_ext_i32_tl(arg, t0); 5104 } 5105 5106 static inline void gen_mfc0_load64(TCGv arg, target_ulong off) 5107 { 5108 tcg_gen_ld_tl(arg, tcg_env, off); 5109 tcg_gen_ext32s_tl(arg, arg); 5110 } 5111 5112 static inline void gen_mtc0_store32(TCGv arg, target_ulong off) 5113 { 5114 TCGv_i32 t0 = tcg_temp_new_i32(); 5115 5116 tcg_gen_trunc_tl_i32(t0, arg); 5117 tcg_gen_st_i32(t0, tcg_env, off); 5118 } 5119 5120 #define CP0_CHECK(c) \ 5121 do { \ 5122 if (!(c)) { \ 5123 goto cp0_unimplemented; \ 5124 } \ 5125 } while (0) 5126 5127 static void gen_mfhc0(DisasContext *ctx, TCGv arg, int reg, int sel) 5128 { 5129 const char *register_name = "invalid"; 5130 5131 switch (reg) { 5132 case CP0_REGISTER_02: 5133 switch (sel) { 5134 case 0: 5135 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA); 5136 gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0)); 5137 register_name = "EntryLo0"; 5138 break; 5139 default: 5140 goto cp0_unimplemented; 5141 } 5142 break; 5143 case CP0_REGISTER_03: 5144 switch (sel) { 5145 case CP0_REG03__ENTRYLO1: 5146 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA); 5147 gen_mfhc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1)); 5148 register_name = "EntryLo1"; 5149 break; 5150 default: 5151 goto cp0_unimplemented; 5152 } 5153 break; 5154 case CP0_REGISTER_09: 5155 switch (sel) { 5156 case CP0_REG09__SAAR: 5157 CP0_CHECK(ctx->saar); 5158 gen_helper_mfhc0_saar(arg, tcg_env); 5159 register_name = "SAAR"; 5160 break; 5161 default: 5162 goto cp0_unimplemented; 5163 } 5164 break; 5165 case CP0_REGISTER_17: 5166 switch (sel) { 5167 case CP0_REG17__LLADDR: 5168 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_LLAddr), 5169 ctx->CP0_LLAddr_shift); 5170 register_name = "LLAddr"; 5171 break; 5172 case CP0_REG17__MAAR: 5173 CP0_CHECK(ctx->mrp); 5174 gen_helper_mfhc0_maar(arg, tcg_env); 5175 register_name = "MAAR"; 5176 break; 5177 default: 5178 goto cp0_unimplemented; 5179 } 5180 break; 5181 case CP0_REGISTER_19: 5182 switch (sel) { 5183 case CP0_REG19__WATCHHI0: 5184 case CP0_REG19__WATCHHI1: 5185 case CP0_REG19__WATCHHI2: 5186 case CP0_REG19__WATCHHI3: 5187 case CP0_REG19__WATCHHI4: 5188 case CP0_REG19__WATCHHI5: 5189 case CP0_REG19__WATCHHI6: 5190 case CP0_REG19__WATCHHI7: 5191 /* upper 32 bits are only available when Config5MI != 0 */ 5192 CP0_CHECK(ctx->mi); 5193 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_WatchHi[sel]), 0); 5194 register_name = "WatchHi"; 5195 break; 5196 default: 5197 goto cp0_unimplemented; 5198 } 5199 break; 5200 case CP0_REGISTER_28: 5201 switch (sel) { 5202 case 0: 5203 case 2: 5204 case 4: 5205 case 6: 5206 gen_mfhc0_load64(arg, offsetof(CPUMIPSState, CP0_TagLo), 0); 5207 register_name = "TagLo"; 5208 break; 5209 default: 5210 goto cp0_unimplemented; 5211 } 5212 break; 5213 default: 5214 goto cp0_unimplemented; 5215 } 5216 trace_mips_translate_c0("mfhc0", register_name, reg, sel); 5217 return; 5218 5219 cp0_unimplemented: 5220 qemu_log_mask(LOG_UNIMP, "mfhc0 %s (reg %d sel %d)\n", 5221 register_name, reg, sel); 5222 tcg_gen_movi_tl(arg, 0); 5223 } 5224 5225 static void gen_mthc0(DisasContext *ctx, TCGv arg, int reg, int sel) 5226 { 5227 const char *register_name = "invalid"; 5228 uint64_t mask = ctx->PAMask >> 36; 5229 5230 switch (reg) { 5231 case CP0_REGISTER_02: 5232 switch (sel) { 5233 case 0: 5234 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA); 5235 tcg_gen_andi_tl(arg, arg, mask); 5236 gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo0)); 5237 register_name = "EntryLo0"; 5238 break; 5239 default: 5240 goto cp0_unimplemented; 5241 } 5242 break; 5243 case CP0_REGISTER_03: 5244 switch (sel) { 5245 case CP0_REG03__ENTRYLO1: 5246 CP0_CHECK(ctx->hflags & MIPS_HFLAG_ELPA); 5247 tcg_gen_andi_tl(arg, arg, mask); 5248 gen_mthc0_entrylo(arg, offsetof(CPUMIPSState, CP0_EntryLo1)); 5249 register_name = "EntryLo1"; 5250 break; 5251 default: 5252 goto cp0_unimplemented; 5253 } 5254 break; 5255 case CP0_REGISTER_09: 5256 switch (sel) { 5257 case CP0_REG09__SAAR: 5258 CP0_CHECK(ctx->saar); 5259 gen_helper_mthc0_saar(tcg_env, arg); 5260 register_name = "SAAR"; 5261 break; 5262 default: 5263 goto cp0_unimplemented; 5264 } 5265 break; 5266 case CP0_REGISTER_17: 5267 switch (sel) { 5268 case CP0_REG17__LLADDR: 5269 /* 5270 * LLAddr is read-only (the only exception is bit 0 if LLB is 5271 * supported); the CP0_LLAddr_rw_bitmask does not seem to be 5272 * relevant for modern MIPS cores supporting MTHC0, therefore 5273 * treating MTHC0 to LLAddr as NOP. 5274 */ 5275 register_name = "LLAddr"; 5276 break; 5277 case CP0_REG17__MAAR: 5278 CP0_CHECK(ctx->mrp); 5279 gen_helper_mthc0_maar(tcg_env, arg); 5280 register_name = "MAAR"; 5281 break; 5282 default: 5283 goto cp0_unimplemented; 5284 } 5285 break; 5286 case CP0_REGISTER_19: 5287 switch (sel) { 5288 case CP0_REG19__WATCHHI0: 5289 case CP0_REG19__WATCHHI1: 5290 case CP0_REG19__WATCHHI2: 5291 case CP0_REG19__WATCHHI3: 5292 case CP0_REG19__WATCHHI4: 5293 case CP0_REG19__WATCHHI5: 5294 case CP0_REG19__WATCHHI6: 5295 case CP0_REG19__WATCHHI7: 5296 /* upper 32 bits are only available when Config5MI != 0 */ 5297 CP0_CHECK(ctx->mi); 5298 gen_helper_0e1i(mthc0_watchhi, arg, sel); 5299 register_name = "WatchHi"; 5300 break; 5301 default: 5302 goto cp0_unimplemented; 5303 } 5304 break; 5305 case CP0_REGISTER_28: 5306 switch (sel) { 5307 case 0: 5308 case 2: 5309 case 4: 5310 case 6: 5311 tcg_gen_andi_tl(arg, arg, mask); 5312 gen_mthc0_store64(arg, offsetof(CPUMIPSState, CP0_TagLo)); 5313 register_name = "TagLo"; 5314 break; 5315 default: 5316 goto cp0_unimplemented; 5317 } 5318 break; 5319 default: 5320 goto cp0_unimplemented; 5321 } 5322 trace_mips_translate_c0("mthc0", register_name, reg, sel); 5323 return; 5324 5325 cp0_unimplemented: 5326 qemu_log_mask(LOG_UNIMP, "mthc0 %s (reg %d sel %d)\n", 5327 register_name, reg, sel); 5328 } 5329 5330 static inline void gen_mfc0_unimplemented(DisasContext *ctx, TCGv arg) 5331 { 5332 if (ctx->insn_flags & ISA_MIPS_R6) { 5333 tcg_gen_movi_tl(arg, 0); 5334 } else { 5335 tcg_gen_movi_tl(arg, ~0); 5336 } 5337 } 5338 5339 static void gen_mfc0(DisasContext *ctx, TCGv arg, int reg, int sel) 5340 { 5341 const char *register_name = "invalid"; 5342 5343 if (sel != 0) { 5344 check_insn(ctx, ISA_MIPS_R1); 5345 } 5346 5347 switch (reg) { 5348 case CP0_REGISTER_00: 5349 switch (sel) { 5350 case CP0_REG00__INDEX: 5351 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Index)); 5352 register_name = "Index"; 5353 break; 5354 case CP0_REG00__MVPCONTROL: 5355 CP0_CHECK(ctx->insn_flags & ASE_MT); 5356 gen_helper_mfc0_mvpcontrol(arg, tcg_env); 5357 register_name = "MVPControl"; 5358 break; 5359 case CP0_REG00__MVPCONF0: 5360 CP0_CHECK(ctx->insn_flags & ASE_MT); 5361 gen_helper_mfc0_mvpconf0(arg, tcg_env); 5362 register_name = "MVPConf0"; 5363 break; 5364 case CP0_REG00__MVPCONF1: 5365 CP0_CHECK(ctx->insn_flags & ASE_MT); 5366 gen_helper_mfc0_mvpconf1(arg, tcg_env); 5367 register_name = "MVPConf1"; 5368 break; 5369 case CP0_REG00__VPCONTROL: 5370 CP0_CHECK(ctx->vp); 5371 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPControl)); 5372 register_name = "VPControl"; 5373 break; 5374 default: 5375 goto cp0_unimplemented; 5376 } 5377 break; 5378 case CP0_REGISTER_01: 5379 switch (sel) { 5380 case CP0_REG01__RANDOM: 5381 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 5382 gen_helper_mfc0_random(arg, tcg_env); 5383 register_name = "Random"; 5384 break; 5385 case CP0_REG01__VPECONTROL: 5386 CP0_CHECK(ctx->insn_flags & ASE_MT); 5387 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl)); 5388 register_name = "VPEControl"; 5389 break; 5390 case CP0_REG01__VPECONF0: 5391 CP0_CHECK(ctx->insn_flags & ASE_MT); 5392 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0)); 5393 register_name = "VPEConf0"; 5394 break; 5395 case CP0_REG01__VPECONF1: 5396 CP0_CHECK(ctx->insn_flags & ASE_MT); 5397 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1)); 5398 register_name = "VPEConf1"; 5399 break; 5400 case CP0_REG01__YQMASK: 5401 CP0_CHECK(ctx->insn_flags & ASE_MT); 5402 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_YQMask)); 5403 register_name = "YQMask"; 5404 break; 5405 case CP0_REG01__VPESCHEDULE: 5406 CP0_CHECK(ctx->insn_flags & ASE_MT); 5407 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPESchedule)); 5408 register_name = "VPESchedule"; 5409 break; 5410 case CP0_REG01__VPESCHEFBACK: 5411 CP0_CHECK(ctx->insn_flags & ASE_MT); 5412 gen_mfc0_load64(arg, offsetof(CPUMIPSState, CP0_VPEScheFBack)); 5413 register_name = "VPEScheFBack"; 5414 break; 5415 case CP0_REG01__VPEOPT: 5416 CP0_CHECK(ctx->insn_flags & ASE_MT); 5417 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt)); 5418 register_name = "VPEOpt"; 5419 break; 5420 default: 5421 goto cp0_unimplemented; 5422 } 5423 break; 5424 case CP0_REGISTER_02: 5425 switch (sel) { 5426 case CP0_REG02__ENTRYLO0: 5427 { 5428 TCGv_i64 tmp = tcg_temp_new_i64(); 5429 tcg_gen_ld_i64(tmp, tcg_env, 5430 offsetof(CPUMIPSState, CP0_EntryLo0)); 5431 #if defined(TARGET_MIPS64) 5432 if (ctx->rxi) { 5433 /* Move RI/XI fields to bits 31:30 */ 5434 tcg_gen_shri_tl(arg, tmp, CP0EnLo_XI); 5435 tcg_gen_deposit_tl(tmp, tmp, arg, 30, 2); 5436 } 5437 #endif 5438 gen_move_low32(arg, tmp); 5439 } 5440 register_name = "EntryLo0"; 5441 break; 5442 case CP0_REG02__TCSTATUS: 5443 CP0_CHECK(ctx->insn_flags & ASE_MT); 5444 gen_helper_mfc0_tcstatus(arg, tcg_env); 5445 register_name = "TCStatus"; 5446 break; 5447 case CP0_REG02__TCBIND: 5448 CP0_CHECK(ctx->insn_flags & ASE_MT); 5449 gen_helper_mfc0_tcbind(arg, tcg_env); 5450 register_name = "TCBind"; 5451 break; 5452 case CP0_REG02__TCRESTART: 5453 CP0_CHECK(ctx->insn_flags & ASE_MT); 5454 gen_helper_mfc0_tcrestart(arg, tcg_env); 5455 register_name = "TCRestart"; 5456 break; 5457 case CP0_REG02__TCHALT: 5458 CP0_CHECK(ctx->insn_flags & ASE_MT); 5459 gen_helper_mfc0_tchalt(arg, tcg_env); 5460 register_name = "TCHalt"; 5461 break; 5462 case CP0_REG02__TCCONTEXT: 5463 CP0_CHECK(ctx->insn_flags & ASE_MT); 5464 gen_helper_mfc0_tccontext(arg, tcg_env); 5465 register_name = "TCContext"; 5466 break; 5467 case CP0_REG02__TCSCHEDULE: 5468 CP0_CHECK(ctx->insn_flags & ASE_MT); 5469 gen_helper_mfc0_tcschedule(arg, tcg_env); 5470 register_name = "TCSchedule"; 5471 break; 5472 case CP0_REG02__TCSCHEFBACK: 5473 CP0_CHECK(ctx->insn_flags & ASE_MT); 5474 gen_helper_mfc0_tcschefback(arg, tcg_env); 5475 register_name = "TCScheFBack"; 5476 break; 5477 default: 5478 goto cp0_unimplemented; 5479 } 5480 break; 5481 case CP0_REGISTER_03: 5482 switch (sel) { 5483 case CP0_REG03__ENTRYLO1: 5484 { 5485 TCGv_i64 tmp = tcg_temp_new_i64(); 5486 tcg_gen_ld_i64(tmp, tcg_env, 5487 offsetof(CPUMIPSState, CP0_EntryLo1)); 5488 #if defined(TARGET_MIPS64) 5489 if (ctx->rxi) { 5490 /* Move RI/XI fields to bits 31:30 */ 5491 tcg_gen_shri_tl(arg, tmp, CP0EnLo_XI); 5492 tcg_gen_deposit_tl(tmp, tmp, arg, 30, 2); 5493 } 5494 #endif 5495 gen_move_low32(arg, tmp); 5496 } 5497 register_name = "EntryLo1"; 5498 break; 5499 case CP0_REG03__GLOBALNUM: 5500 CP0_CHECK(ctx->vp); 5501 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber)); 5502 register_name = "GlobalNumber"; 5503 break; 5504 default: 5505 goto cp0_unimplemented; 5506 } 5507 break; 5508 case CP0_REGISTER_04: 5509 switch (sel) { 5510 case CP0_REG04__CONTEXT: 5511 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_Context)); 5512 tcg_gen_ext32s_tl(arg, arg); 5513 register_name = "Context"; 5514 break; 5515 case CP0_REG04__CONTEXTCONFIG: 5516 /* SmartMIPS ASE */ 5517 /* gen_helper_mfc0_contextconfig(arg); */ 5518 register_name = "ContextConfig"; 5519 goto cp0_unimplemented; 5520 case CP0_REG04__USERLOCAL: 5521 CP0_CHECK(ctx->ulri); 5522 tcg_gen_ld_tl(arg, tcg_env, 5523 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 5524 tcg_gen_ext32s_tl(arg, arg); 5525 register_name = "UserLocal"; 5526 break; 5527 case CP0_REG04__MMID: 5528 CP0_CHECK(ctx->mi); 5529 gen_helper_mtc0_memorymapid(tcg_env, arg); 5530 register_name = "MMID"; 5531 break; 5532 default: 5533 goto cp0_unimplemented; 5534 } 5535 break; 5536 case CP0_REGISTER_05: 5537 switch (sel) { 5538 case CP0_REG05__PAGEMASK: 5539 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageMask)); 5540 register_name = "PageMask"; 5541 break; 5542 case CP0_REG05__PAGEGRAIN: 5543 check_insn(ctx, ISA_MIPS_R2); 5544 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageGrain)); 5545 register_name = "PageGrain"; 5546 break; 5547 case CP0_REG05__SEGCTL0: 5548 CP0_CHECK(ctx->sc); 5549 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl0)); 5550 tcg_gen_ext32s_tl(arg, arg); 5551 register_name = "SegCtl0"; 5552 break; 5553 case CP0_REG05__SEGCTL1: 5554 CP0_CHECK(ctx->sc); 5555 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl1)); 5556 tcg_gen_ext32s_tl(arg, arg); 5557 register_name = "SegCtl1"; 5558 break; 5559 case CP0_REG05__SEGCTL2: 5560 CP0_CHECK(ctx->sc); 5561 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl2)); 5562 tcg_gen_ext32s_tl(arg, arg); 5563 register_name = "SegCtl2"; 5564 break; 5565 case CP0_REG05__PWBASE: 5566 check_pw(ctx); 5567 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWBase)); 5568 register_name = "PWBase"; 5569 break; 5570 case CP0_REG05__PWFIELD: 5571 check_pw(ctx); 5572 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWField)); 5573 register_name = "PWField"; 5574 break; 5575 case CP0_REG05__PWSIZE: 5576 check_pw(ctx); 5577 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWSize)); 5578 register_name = "PWSize"; 5579 break; 5580 default: 5581 goto cp0_unimplemented; 5582 } 5583 break; 5584 case CP0_REGISTER_06: 5585 switch (sel) { 5586 case CP0_REG06__WIRED: 5587 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Wired)); 5588 register_name = "Wired"; 5589 break; 5590 case CP0_REG06__SRSCONF0: 5591 check_insn(ctx, ISA_MIPS_R2); 5592 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf0)); 5593 register_name = "SRSConf0"; 5594 break; 5595 case CP0_REG06__SRSCONF1: 5596 check_insn(ctx, ISA_MIPS_R2); 5597 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf1)); 5598 register_name = "SRSConf1"; 5599 break; 5600 case CP0_REG06__SRSCONF2: 5601 check_insn(ctx, ISA_MIPS_R2); 5602 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf2)); 5603 register_name = "SRSConf2"; 5604 break; 5605 case CP0_REG06__SRSCONF3: 5606 check_insn(ctx, ISA_MIPS_R2); 5607 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf3)); 5608 register_name = "SRSConf3"; 5609 break; 5610 case CP0_REG06__SRSCONF4: 5611 check_insn(ctx, ISA_MIPS_R2); 5612 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4)); 5613 register_name = "SRSConf4"; 5614 break; 5615 case CP0_REG06__PWCTL: 5616 check_pw(ctx); 5617 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl)); 5618 register_name = "PWCtl"; 5619 break; 5620 default: 5621 goto cp0_unimplemented; 5622 } 5623 break; 5624 case CP0_REGISTER_07: 5625 switch (sel) { 5626 case CP0_REG07__HWRENA: 5627 check_insn(ctx, ISA_MIPS_R2); 5628 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_HWREna)); 5629 register_name = "HWREna"; 5630 break; 5631 default: 5632 goto cp0_unimplemented; 5633 } 5634 break; 5635 case CP0_REGISTER_08: 5636 switch (sel) { 5637 case CP0_REG08__BADVADDR: 5638 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_BadVAddr)); 5639 tcg_gen_ext32s_tl(arg, arg); 5640 register_name = "BadVAddr"; 5641 break; 5642 case CP0_REG08__BADINSTR: 5643 CP0_CHECK(ctx->bi); 5644 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstr)); 5645 register_name = "BadInstr"; 5646 break; 5647 case CP0_REG08__BADINSTRP: 5648 CP0_CHECK(ctx->bp); 5649 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP)); 5650 register_name = "BadInstrP"; 5651 break; 5652 case CP0_REG08__BADINSTRX: 5653 CP0_CHECK(ctx->bi); 5654 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrX)); 5655 tcg_gen_andi_tl(arg, arg, ~0xffff); 5656 register_name = "BadInstrX"; 5657 break; 5658 default: 5659 goto cp0_unimplemented; 5660 } 5661 break; 5662 case CP0_REGISTER_09: 5663 switch (sel) { 5664 case CP0_REG09__COUNT: 5665 /* Mark as an IO operation because we read the time. */ 5666 translator_io_start(&ctx->base); 5667 5668 gen_helper_mfc0_count(arg, tcg_env); 5669 /* 5670 * Break the TB to be able to take timer interrupts immediately 5671 * after reading count. DISAS_STOP isn't sufficient, we need to 5672 * ensure we break completely out of translated code. 5673 */ 5674 gen_save_pc(ctx->base.pc_next + 4); 5675 ctx->base.is_jmp = DISAS_EXIT; 5676 register_name = "Count"; 5677 break; 5678 case CP0_REG09__SAARI: 5679 CP0_CHECK(ctx->saar); 5680 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SAARI)); 5681 register_name = "SAARI"; 5682 break; 5683 case CP0_REG09__SAAR: 5684 CP0_CHECK(ctx->saar); 5685 gen_helper_mfc0_saar(arg, tcg_env); 5686 register_name = "SAAR"; 5687 break; 5688 default: 5689 goto cp0_unimplemented; 5690 } 5691 break; 5692 case CP0_REGISTER_10: 5693 switch (sel) { 5694 case CP0_REG10__ENTRYHI: 5695 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EntryHi)); 5696 tcg_gen_ext32s_tl(arg, arg); 5697 register_name = "EntryHi"; 5698 break; 5699 default: 5700 goto cp0_unimplemented; 5701 } 5702 break; 5703 case CP0_REGISTER_11: 5704 switch (sel) { 5705 case CP0_REG11__COMPARE: 5706 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Compare)); 5707 register_name = "Compare"; 5708 break; 5709 /* 6,7 are implementation dependent */ 5710 default: 5711 goto cp0_unimplemented; 5712 } 5713 break; 5714 case CP0_REGISTER_12: 5715 switch (sel) { 5716 case CP0_REG12__STATUS: 5717 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status)); 5718 register_name = "Status"; 5719 break; 5720 case CP0_REG12__INTCTL: 5721 check_insn(ctx, ISA_MIPS_R2); 5722 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl)); 5723 register_name = "IntCtl"; 5724 break; 5725 case CP0_REG12__SRSCTL: 5726 check_insn(ctx, ISA_MIPS_R2); 5727 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl)); 5728 register_name = "SRSCtl"; 5729 break; 5730 case CP0_REG12__SRSMAP: 5731 check_insn(ctx, ISA_MIPS_R2); 5732 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap)); 5733 register_name = "SRSMap"; 5734 break; 5735 default: 5736 goto cp0_unimplemented; 5737 } 5738 break; 5739 case CP0_REGISTER_13: 5740 switch (sel) { 5741 case CP0_REG13__CAUSE: 5742 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause)); 5743 register_name = "Cause"; 5744 break; 5745 default: 5746 goto cp0_unimplemented; 5747 } 5748 break; 5749 case CP0_REGISTER_14: 5750 switch (sel) { 5751 case CP0_REG14__EPC: 5752 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC)); 5753 tcg_gen_ext32s_tl(arg, arg); 5754 register_name = "EPC"; 5755 break; 5756 default: 5757 goto cp0_unimplemented; 5758 } 5759 break; 5760 case CP0_REGISTER_15: 5761 switch (sel) { 5762 case CP0_REG15__PRID: 5763 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PRid)); 5764 register_name = "PRid"; 5765 break; 5766 case CP0_REG15__EBASE: 5767 check_insn(ctx, ISA_MIPS_R2); 5768 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EBase)); 5769 tcg_gen_ext32s_tl(arg, arg); 5770 register_name = "EBase"; 5771 break; 5772 case CP0_REG15__CMGCRBASE: 5773 check_insn(ctx, ISA_MIPS_R2); 5774 CP0_CHECK(ctx->cmgcr); 5775 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_CMGCRBase)); 5776 tcg_gen_ext32s_tl(arg, arg); 5777 register_name = "CMGCRBase"; 5778 break; 5779 default: 5780 goto cp0_unimplemented; 5781 } 5782 break; 5783 case CP0_REGISTER_16: 5784 switch (sel) { 5785 case CP0_REG16__CONFIG: 5786 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config0)); 5787 register_name = "Config"; 5788 break; 5789 case CP0_REG16__CONFIG1: 5790 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config1)); 5791 register_name = "Config1"; 5792 break; 5793 case CP0_REG16__CONFIG2: 5794 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config2)); 5795 register_name = "Config2"; 5796 break; 5797 case CP0_REG16__CONFIG3: 5798 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config3)); 5799 register_name = "Config3"; 5800 break; 5801 case CP0_REG16__CONFIG4: 5802 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4)); 5803 register_name = "Config4"; 5804 break; 5805 case CP0_REG16__CONFIG5: 5806 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5)); 5807 register_name = "Config5"; 5808 break; 5809 /* 6,7 are implementation dependent */ 5810 case CP0_REG16__CONFIG6: 5811 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6)); 5812 register_name = "Config6"; 5813 break; 5814 case CP0_REG16__CONFIG7: 5815 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config7)); 5816 register_name = "Config7"; 5817 break; 5818 default: 5819 goto cp0_unimplemented; 5820 } 5821 break; 5822 case CP0_REGISTER_17: 5823 switch (sel) { 5824 case CP0_REG17__LLADDR: 5825 gen_helper_mfc0_lladdr(arg, tcg_env); 5826 register_name = "LLAddr"; 5827 break; 5828 case CP0_REG17__MAAR: 5829 CP0_CHECK(ctx->mrp); 5830 gen_helper_mfc0_maar(arg, tcg_env); 5831 register_name = "MAAR"; 5832 break; 5833 case CP0_REG17__MAARI: 5834 CP0_CHECK(ctx->mrp); 5835 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MAARI)); 5836 register_name = "MAARI"; 5837 break; 5838 default: 5839 goto cp0_unimplemented; 5840 } 5841 break; 5842 case CP0_REGISTER_18: 5843 switch (sel) { 5844 case CP0_REG18__WATCHLO0: 5845 case CP0_REG18__WATCHLO1: 5846 case CP0_REG18__WATCHLO2: 5847 case CP0_REG18__WATCHLO3: 5848 case CP0_REG18__WATCHLO4: 5849 case CP0_REG18__WATCHLO5: 5850 case CP0_REG18__WATCHLO6: 5851 case CP0_REG18__WATCHLO7: 5852 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 5853 gen_helper_1e0i(mfc0_watchlo, arg, sel); 5854 register_name = "WatchLo"; 5855 break; 5856 default: 5857 goto cp0_unimplemented; 5858 } 5859 break; 5860 case CP0_REGISTER_19: 5861 switch (sel) { 5862 case CP0_REG19__WATCHHI0: 5863 case CP0_REG19__WATCHHI1: 5864 case CP0_REG19__WATCHHI2: 5865 case CP0_REG19__WATCHHI3: 5866 case CP0_REG19__WATCHHI4: 5867 case CP0_REG19__WATCHHI5: 5868 case CP0_REG19__WATCHHI6: 5869 case CP0_REG19__WATCHHI7: 5870 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 5871 gen_helper_1e0i(mfc0_watchhi, arg, sel); 5872 register_name = "WatchHi"; 5873 break; 5874 default: 5875 goto cp0_unimplemented; 5876 } 5877 break; 5878 case CP0_REGISTER_20: 5879 switch (sel) { 5880 case CP0_REG20__XCONTEXT: 5881 #if defined(TARGET_MIPS64) 5882 check_insn(ctx, ISA_MIPS3); 5883 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_XContext)); 5884 tcg_gen_ext32s_tl(arg, arg); 5885 register_name = "XContext"; 5886 break; 5887 #endif 5888 default: 5889 goto cp0_unimplemented; 5890 } 5891 break; 5892 case CP0_REGISTER_21: 5893 /* Officially reserved, but sel 0 is used for R1x000 framemask */ 5894 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 5895 switch (sel) { 5896 case 0: 5897 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Framemask)); 5898 register_name = "Framemask"; 5899 break; 5900 default: 5901 goto cp0_unimplemented; 5902 } 5903 break; 5904 case CP0_REGISTER_22: 5905 tcg_gen_movi_tl(arg, 0); /* unimplemented */ 5906 register_name = "'Diagnostic"; /* implementation dependent */ 5907 break; 5908 case CP0_REGISTER_23: 5909 switch (sel) { 5910 case CP0_REG23__DEBUG: 5911 gen_helper_mfc0_debug(arg, tcg_env); /* EJTAG support */ 5912 register_name = "Debug"; 5913 break; 5914 case CP0_REG23__TRACECONTROL: 5915 /* PDtrace support */ 5916 /* gen_helper_mfc0_tracecontrol(arg); */ 5917 register_name = "TraceControl"; 5918 goto cp0_unimplemented; 5919 case CP0_REG23__TRACECONTROL2: 5920 /* PDtrace support */ 5921 /* gen_helper_mfc0_tracecontrol2(arg); */ 5922 register_name = "TraceControl2"; 5923 goto cp0_unimplemented; 5924 case CP0_REG23__USERTRACEDATA1: 5925 /* PDtrace support */ 5926 /* gen_helper_mfc0_usertracedata1(arg);*/ 5927 register_name = "UserTraceData1"; 5928 goto cp0_unimplemented; 5929 case CP0_REG23__TRACEIBPC: 5930 /* PDtrace support */ 5931 /* gen_helper_mfc0_traceibpc(arg); */ 5932 register_name = "TraceIBPC"; 5933 goto cp0_unimplemented; 5934 case CP0_REG23__TRACEDBPC: 5935 /* PDtrace support */ 5936 /* gen_helper_mfc0_tracedbpc(arg); */ 5937 register_name = "TraceDBPC"; 5938 goto cp0_unimplemented; 5939 default: 5940 goto cp0_unimplemented; 5941 } 5942 break; 5943 case CP0_REGISTER_24: 5944 switch (sel) { 5945 case CP0_REG24__DEPC: 5946 /* EJTAG support */ 5947 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC)); 5948 tcg_gen_ext32s_tl(arg, arg); 5949 register_name = "DEPC"; 5950 break; 5951 default: 5952 goto cp0_unimplemented; 5953 } 5954 break; 5955 case CP0_REGISTER_25: 5956 switch (sel) { 5957 case CP0_REG25__PERFCTL0: 5958 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Performance0)); 5959 register_name = "Performance0"; 5960 break; 5961 case CP0_REG25__PERFCNT0: 5962 /* gen_helper_mfc0_performance1(arg); */ 5963 register_name = "Performance1"; 5964 goto cp0_unimplemented; 5965 case CP0_REG25__PERFCTL1: 5966 /* gen_helper_mfc0_performance2(arg); */ 5967 register_name = "Performance2"; 5968 goto cp0_unimplemented; 5969 case CP0_REG25__PERFCNT1: 5970 /* gen_helper_mfc0_performance3(arg); */ 5971 register_name = "Performance3"; 5972 goto cp0_unimplemented; 5973 case CP0_REG25__PERFCTL2: 5974 /* gen_helper_mfc0_performance4(arg); */ 5975 register_name = "Performance4"; 5976 goto cp0_unimplemented; 5977 case CP0_REG25__PERFCNT2: 5978 /* gen_helper_mfc0_performance5(arg); */ 5979 register_name = "Performance5"; 5980 goto cp0_unimplemented; 5981 case CP0_REG25__PERFCTL3: 5982 /* gen_helper_mfc0_performance6(arg); */ 5983 register_name = "Performance6"; 5984 goto cp0_unimplemented; 5985 case CP0_REG25__PERFCNT3: 5986 /* gen_helper_mfc0_performance7(arg); */ 5987 register_name = "Performance7"; 5988 goto cp0_unimplemented; 5989 default: 5990 goto cp0_unimplemented; 5991 } 5992 break; 5993 case CP0_REGISTER_26: 5994 switch (sel) { 5995 case CP0_REG26__ERRCTL: 5996 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_ErrCtl)); 5997 register_name = "ErrCtl"; 5998 break; 5999 default: 6000 goto cp0_unimplemented; 6001 } 6002 break; 6003 case CP0_REGISTER_27: 6004 switch (sel) { 6005 case CP0_REG27__CACHERR: 6006 tcg_gen_movi_tl(arg, 0); /* unimplemented */ 6007 register_name = "CacheErr"; 6008 break; 6009 default: 6010 goto cp0_unimplemented; 6011 } 6012 break; 6013 case CP0_REGISTER_28: 6014 switch (sel) { 6015 case CP0_REG28__TAGLO: 6016 case CP0_REG28__TAGLO1: 6017 case CP0_REG28__TAGLO2: 6018 case CP0_REG28__TAGLO3: 6019 { 6020 TCGv_i64 tmp = tcg_temp_new_i64(); 6021 tcg_gen_ld_i64(tmp, tcg_env, offsetof(CPUMIPSState, CP0_TagLo)); 6022 gen_move_low32(arg, tmp); 6023 } 6024 register_name = "TagLo"; 6025 break; 6026 case CP0_REG28__DATALO: 6027 case CP0_REG28__DATALO1: 6028 case CP0_REG28__DATALO2: 6029 case CP0_REG28__DATALO3: 6030 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataLo)); 6031 register_name = "DataLo"; 6032 break; 6033 default: 6034 goto cp0_unimplemented; 6035 } 6036 break; 6037 case CP0_REGISTER_29: 6038 switch (sel) { 6039 case CP0_REG29__TAGHI: 6040 case CP0_REG29__TAGHI1: 6041 case CP0_REG29__TAGHI2: 6042 case CP0_REG29__TAGHI3: 6043 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagHi)); 6044 register_name = "TagHi"; 6045 break; 6046 case CP0_REG29__DATAHI: 6047 case CP0_REG29__DATAHI1: 6048 case CP0_REG29__DATAHI2: 6049 case CP0_REG29__DATAHI3: 6050 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataHi)); 6051 register_name = "DataHi"; 6052 break; 6053 default: 6054 goto cp0_unimplemented; 6055 } 6056 break; 6057 case CP0_REGISTER_30: 6058 switch (sel) { 6059 case CP0_REG30__ERROREPC: 6060 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC)); 6061 tcg_gen_ext32s_tl(arg, arg); 6062 register_name = "ErrorEPC"; 6063 break; 6064 default: 6065 goto cp0_unimplemented; 6066 } 6067 break; 6068 case CP0_REGISTER_31: 6069 switch (sel) { 6070 case CP0_REG31__DESAVE: 6071 /* EJTAG support */ 6072 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE)); 6073 register_name = "DESAVE"; 6074 break; 6075 case CP0_REG31__KSCRATCH1: 6076 case CP0_REG31__KSCRATCH2: 6077 case CP0_REG31__KSCRATCH3: 6078 case CP0_REG31__KSCRATCH4: 6079 case CP0_REG31__KSCRATCH5: 6080 case CP0_REG31__KSCRATCH6: 6081 CP0_CHECK(ctx->kscrexist & (1 << sel)); 6082 tcg_gen_ld_tl(arg, tcg_env, 6083 offsetof(CPUMIPSState, CP0_KScratch[sel - 2])); 6084 tcg_gen_ext32s_tl(arg, arg); 6085 register_name = "KScratch"; 6086 break; 6087 default: 6088 goto cp0_unimplemented; 6089 } 6090 break; 6091 default: 6092 goto cp0_unimplemented; 6093 } 6094 trace_mips_translate_c0("mfc0", register_name, reg, sel); 6095 return; 6096 6097 cp0_unimplemented: 6098 qemu_log_mask(LOG_UNIMP, "mfc0 %s (reg %d sel %d)\n", 6099 register_name, reg, sel); 6100 gen_mfc0_unimplemented(ctx, arg); 6101 } 6102 6103 static void gen_mtc0(DisasContext *ctx, TCGv arg, int reg, int sel) 6104 { 6105 const char *register_name = "invalid"; 6106 bool icount; 6107 6108 if (sel != 0) { 6109 check_insn(ctx, ISA_MIPS_R1); 6110 } 6111 6112 icount = translator_io_start(&ctx->base); 6113 6114 switch (reg) { 6115 case CP0_REGISTER_00: 6116 switch (sel) { 6117 case CP0_REG00__INDEX: 6118 gen_helper_mtc0_index(tcg_env, arg); 6119 register_name = "Index"; 6120 break; 6121 case CP0_REG00__MVPCONTROL: 6122 CP0_CHECK(ctx->insn_flags & ASE_MT); 6123 gen_helper_mtc0_mvpcontrol(tcg_env, arg); 6124 register_name = "MVPControl"; 6125 break; 6126 case CP0_REG00__MVPCONF0: 6127 CP0_CHECK(ctx->insn_flags & ASE_MT); 6128 /* ignored */ 6129 register_name = "MVPConf0"; 6130 break; 6131 case CP0_REG00__MVPCONF1: 6132 CP0_CHECK(ctx->insn_flags & ASE_MT); 6133 /* ignored */ 6134 register_name = "MVPConf1"; 6135 break; 6136 case CP0_REG00__VPCONTROL: 6137 CP0_CHECK(ctx->vp); 6138 /* ignored */ 6139 register_name = "VPControl"; 6140 break; 6141 default: 6142 goto cp0_unimplemented; 6143 } 6144 break; 6145 case CP0_REGISTER_01: 6146 switch (sel) { 6147 case CP0_REG01__RANDOM: 6148 /* ignored */ 6149 register_name = "Random"; 6150 break; 6151 case CP0_REG01__VPECONTROL: 6152 CP0_CHECK(ctx->insn_flags & ASE_MT); 6153 gen_helper_mtc0_vpecontrol(tcg_env, arg); 6154 register_name = "VPEControl"; 6155 break; 6156 case CP0_REG01__VPECONF0: 6157 CP0_CHECK(ctx->insn_flags & ASE_MT); 6158 gen_helper_mtc0_vpeconf0(tcg_env, arg); 6159 register_name = "VPEConf0"; 6160 break; 6161 case CP0_REG01__VPECONF1: 6162 CP0_CHECK(ctx->insn_flags & ASE_MT); 6163 gen_helper_mtc0_vpeconf1(tcg_env, arg); 6164 register_name = "VPEConf1"; 6165 break; 6166 case CP0_REG01__YQMASK: 6167 CP0_CHECK(ctx->insn_flags & ASE_MT); 6168 gen_helper_mtc0_yqmask(tcg_env, arg); 6169 register_name = "YQMask"; 6170 break; 6171 case CP0_REG01__VPESCHEDULE: 6172 CP0_CHECK(ctx->insn_flags & ASE_MT); 6173 tcg_gen_st_tl(arg, tcg_env, 6174 offsetof(CPUMIPSState, CP0_VPESchedule)); 6175 register_name = "VPESchedule"; 6176 break; 6177 case CP0_REG01__VPESCHEFBACK: 6178 CP0_CHECK(ctx->insn_flags & ASE_MT); 6179 tcg_gen_st_tl(arg, tcg_env, 6180 offsetof(CPUMIPSState, CP0_VPEScheFBack)); 6181 register_name = "VPEScheFBack"; 6182 break; 6183 case CP0_REG01__VPEOPT: 6184 CP0_CHECK(ctx->insn_flags & ASE_MT); 6185 gen_helper_mtc0_vpeopt(tcg_env, arg); 6186 register_name = "VPEOpt"; 6187 break; 6188 default: 6189 goto cp0_unimplemented; 6190 } 6191 break; 6192 case CP0_REGISTER_02: 6193 switch (sel) { 6194 case CP0_REG02__ENTRYLO0: 6195 gen_helper_mtc0_entrylo0(tcg_env, arg); 6196 register_name = "EntryLo0"; 6197 break; 6198 case CP0_REG02__TCSTATUS: 6199 CP0_CHECK(ctx->insn_flags & ASE_MT); 6200 gen_helper_mtc0_tcstatus(tcg_env, arg); 6201 register_name = "TCStatus"; 6202 break; 6203 case CP0_REG02__TCBIND: 6204 CP0_CHECK(ctx->insn_flags & ASE_MT); 6205 gen_helper_mtc0_tcbind(tcg_env, arg); 6206 register_name = "TCBind"; 6207 break; 6208 case CP0_REG02__TCRESTART: 6209 CP0_CHECK(ctx->insn_flags & ASE_MT); 6210 gen_helper_mtc0_tcrestart(tcg_env, arg); 6211 register_name = "TCRestart"; 6212 break; 6213 case CP0_REG02__TCHALT: 6214 CP0_CHECK(ctx->insn_flags & ASE_MT); 6215 gen_helper_mtc0_tchalt(tcg_env, arg); 6216 register_name = "TCHalt"; 6217 break; 6218 case CP0_REG02__TCCONTEXT: 6219 CP0_CHECK(ctx->insn_flags & ASE_MT); 6220 gen_helper_mtc0_tccontext(tcg_env, arg); 6221 register_name = "TCContext"; 6222 break; 6223 case CP0_REG02__TCSCHEDULE: 6224 CP0_CHECK(ctx->insn_flags & ASE_MT); 6225 gen_helper_mtc0_tcschedule(tcg_env, arg); 6226 register_name = "TCSchedule"; 6227 break; 6228 case CP0_REG02__TCSCHEFBACK: 6229 CP0_CHECK(ctx->insn_flags & ASE_MT); 6230 gen_helper_mtc0_tcschefback(tcg_env, arg); 6231 register_name = "TCScheFBack"; 6232 break; 6233 default: 6234 goto cp0_unimplemented; 6235 } 6236 break; 6237 case CP0_REGISTER_03: 6238 switch (sel) { 6239 case CP0_REG03__ENTRYLO1: 6240 gen_helper_mtc0_entrylo1(tcg_env, arg); 6241 register_name = "EntryLo1"; 6242 break; 6243 case CP0_REG03__GLOBALNUM: 6244 CP0_CHECK(ctx->vp); 6245 /* ignored */ 6246 register_name = "GlobalNumber"; 6247 break; 6248 default: 6249 goto cp0_unimplemented; 6250 } 6251 break; 6252 case CP0_REGISTER_04: 6253 switch (sel) { 6254 case CP0_REG04__CONTEXT: 6255 gen_helper_mtc0_context(tcg_env, arg); 6256 register_name = "Context"; 6257 break; 6258 case CP0_REG04__CONTEXTCONFIG: 6259 /* SmartMIPS ASE */ 6260 /* gen_helper_mtc0_contextconfig(arg); */ 6261 register_name = "ContextConfig"; 6262 goto cp0_unimplemented; 6263 case CP0_REG04__USERLOCAL: 6264 CP0_CHECK(ctx->ulri); 6265 tcg_gen_st_tl(arg, tcg_env, 6266 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 6267 register_name = "UserLocal"; 6268 break; 6269 case CP0_REG04__MMID: 6270 CP0_CHECK(ctx->mi); 6271 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MemoryMapID)); 6272 register_name = "MMID"; 6273 break; 6274 default: 6275 goto cp0_unimplemented; 6276 } 6277 break; 6278 case CP0_REGISTER_05: 6279 switch (sel) { 6280 case CP0_REG05__PAGEMASK: 6281 gen_helper_mtc0_pagemask(tcg_env, arg); 6282 register_name = "PageMask"; 6283 break; 6284 case CP0_REG05__PAGEGRAIN: 6285 check_insn(ctx, ISA_MIPS_R2); 6286 gen_helper_mtc0_pagegrain(tcg_env, arg); 6287 register_name = "PageGrain"; 6288 ctx->base.is_jmp = DISAS_STOP; 6289 break; 6290 case CP0_REG05__SEGCTL0: 6291 CP0_CHECK(ctx->sc); 6292 gen_helper_mtc0_segctl0(tcg_env, arg); 6293 register_name = "SegCtl0"; 6294 break; 6295 case CP0_REG05__SEGCTL1: 6296 CP0_CHECK(ctx->sc); 6297 gen_helper_mtc0_segctl1(tcg_env, arg); 6298 register_name = "SegCtl1"; 6299 break; 6300 case CP0_REG05__SEGCTL2: 6301 CP0_CHECK(ctx->sc); 6302 gen_helper_mtc0_segctl2(tcg_env, arg); 6303 register_name = "SegCtl2"; 6304 break; 6305 case CP0_REG05__PWBASE: 6306 check_pw(ctx); 6307 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_PWBase)); 6308 register_name = "PWBase"; 6309 break; 6310 case CP0_REG05__PWFIELD: 6311 check_pw(ctx); 6312 gen_helper_mtc0_pwfield(tcg_env, arg); 6313 register_name = "PWField"; 6314 break; 6315 case CP0_REG05__PWSIZE: 6316 check_pw(ctx); 6317 gen_helper_mtc0_pwsize(tcg_env, arg); 6318 register_name = "PWSize"; 6319 break; 6320 default: 6321 goto cp0_unimplemented; 6322 } 6323 break; 6324 case CP0_REGISTER_06: 6325 switch (sel) { 6326 case CP0_REG06__WIRED: 6327 gen_helper_mtc0_wired(tcg_env, arg); 6328 register_name = "Wired"; 6329 break; 6330 case CP0_REG06__SRSCONF0: 6331 check_insn(ctx, ISA_MIPS_R2); 6332 gen_helper_mtc0_srsconf0(tcg_env, arg); 6333 register_name = "SRSConf0"; 6334 break; 6335 case CP0_REG06__SRSCONF1: 6336 check_insn(ctx, ISA_MIPS_R2); 6337 gen_helper_mtc0_srsconf1(tcg_env, arg); 6338 register_name = "SRSConf1"; 6339 break; 6340 case CP0_REG06__SRSCONF2: 6341 check_insn(ctx, ISA_MIPS_R2); 6342 gen_helper_mtc0_srsconf2(tcg_env, arg); 6343 register_name = "SRSConf2"; 6344 break; 6345 case CP0_REG06__SRSCONF3: 6346 check_insn(ctx, ISA_MIPS_R2); 6347 gen_helper_mtc0_srsconf3(tcg_env, arg); 6348 register_name = "SRSConf3"; 6349 break; 6350 case CP0_REG06__SRSCONF4: 6351 check_insn(ctx, ISA_MIPS_R2); 6352 gen_helper_mtc0_srsconf4(tcg_env, arg); 6353 register_name = "SRSConf4"; 6354 break; 6355 case CP0_REG06__PWCTL: 6356 check_pw(ctx); 6357 gen_helper_mtc0_pwctl(tcg_env, arg); 6358 register_name = "PWCtl"; 6359 break; 6360 default: 6361 goto cp0_unimplemented; 6362 } 6363 break; 6364 case CP0_REGISTER_07: 6365 switch (sel) { 6366 case CP0_REG07__HWRENA: 6367 check_insn(ctx, ISA_MIPS_R2); 6368 gen_helper_mtc0_hwrena(tcg_env, arg); 6369 ctx->base.is_jmp = DISAS_STOP; 6370 register_name = "HWREna"; 6371 break; 6372 default: 6373 goto cp0_unimplemented; 6374 } 6375 break; 6376 case CP0_REGISTER_08: 6377 switch (sel) { 6378 case CP0_REG08__BADVADDR: 6379 /* ignored */ 6380 register_name = "BadVAddr"; 6381 break; 6382 case CP0_REG08__BADINSTR: 6383 /* ignored */ 6384 register_name = "BadInstr"; 6385 break; 6386 case CP0_REG08__BADINSTRP: 6387 /* ignored */ 6388 register_name = "BadInstrP"; 6389 break; 6390 case CP0_REG08__BADINSTRX: 6391 /* ignored */ 6392 register_name = "BadInstrX"; 6393 break; 6394 default: 6395 goto cp0_unimplemented; 6396 } 6397 break; 6398 case CP0_REGISTER_09: 6399 switch (sel) { 6400 case CP0_REG09__COUNT: 6401 gen_helper_mtc0_count(tcg_env, arg); 6402 register_name = "Count"; 6403 break; 6404 case CP0_REG09__SAARI: 6405 CP0_CHECK(ctx->saar); 6406 gen_helper_mtc0_saari(tcg_env, arg); 6407 register_name = "SAARI"; 6408 break; 6409 case CP0_REG09__SAAR: 6410 CP0_CHECK(ctx->saar); 6411 gen_helper_mtc0_saar(tcg_env, arg); 6412 register_name = "SAAR"; 6413 break; 6414 default: 6415 goto cp0_unimplemented; 6416 } 6417 break; 6418 case CP0_REGISTER_10: 6419 switch (sel) { 6420 case CP0_REG10__ENTRYHI: 6421 gen_helper_mtc0_entryhi(tcg_env, arg); 6422 register_name = "EntryHi"; 6423 break; 6424 default: 6425 goto cp0_unimplemented; 6426 } 6427 break; 6428 case CP0_REGISTER_11: 6429 switch (sel) { 6430 case CP0_REG11__COMPARE: 6431 gen_helper_mtc0_compare(tcg_env, arg); 6432 register_name = "Compare"; 6433 break; 6434 /* 6,7 are implementation dependent */ 6435 default: 6436 goto cp0_unimplemented; 6437 } 6438 break; 6439 case CP0_REGISTER_12: 6440 switch (sel) { 6441 case CP0_REG12__STATUS: 6442 save_cpu_state(ctx, 1); 6443 gen_helper_mtc0_status(tcg_env, arg); 6444 /* DISAS_STOP isn't good enough here, hflags may have changed. */ 6445 gen_save_pc(ctx->base.pc_next + 4); 6446 ctx->base.is_jmp = DISAS_EXIT; 6447 register_name = "Status"; 6448 break; 6449 case CP0_REG12__INTCTL: 6450 check_insn(ctx, ISA_MIPS_R2); 6451 gen_helper_mtc0_intctl(tcg_env, arg); 6452 /* Stop translation as we may have switched the execution mode */ 6453 ctx->base.is_jmp = DISAS_STOP; 6454 register_name = "IntCtl"; 6455 break; 6456 case CP0_REG12__SRSCTL: 6457 check_insn(ctx, ISA_MIPS_R2); 6458 gen_helper_mtc0_srsctl(tcg_env, arg); 6459 /* Stop translation as we may have switched the execution mode */ 6460 ctx->base.is_jmp = DISAS_STOP; 6461 register_name = "SRSCtl"; 6462 break; 6463 case CP0_REG12__SRSMAP: 6464 check_insn(ctx, ISA_MIPS_R2); 6465 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap)); 6466 /* Stop translation as we may have switched the execution mode */ 6467 ctx->base.is_jmp = DISAS_STOP; 6468 register_name = "SRSMap"; 6469 break; 6470 default: 6471 goto cp0_unimplemented; 6472 } 6473 break; 6474 case CP0_REGISTER_13: 6475 switch (sel) { 6476 case CP0_REG13__CAUSE: 6477 save_cpu_state(ctx, 1); 6478 gen_helper_mtc0_cause(tcg_env, arg); 6479 /* 6480 * Stop translation as we may have triggered an interrupt. 6481 * DISAS_STOP isn't sufficient, we need to ensure we break out of 6482 * translated code to check for pending interrupts. 6483 */ 6484 gen_save_pc(ctx->base.pc_next + 4); 6485 ctx->base.is_jmp = DISAS_EXIT; 6486 register_name = "Cause"; 6487 break; 6488 default: 6489 goto cp0_unimplemented; 6490 } 6491 break; 6492 case CP0_REGISTER_14: 6493 switch (sel) { 6494 case CP0_REG14__EPC: 6495 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC)); 6496 register_name = "EPC"; 6497 break; 6498 default: 6499 goto cp0_unimplemented; 6500 } 6501 break; 6502 case CP0_REGISTER_15: 6503 switch (sel) { 6504 case CP0_REG15__PRID: 6505 /* ignored */ 6506 register_name = "PRid"; 6507 break; 6508 case CP0_REG15__EBASE: 6509 check_insn(ctx, ISA_MIPS_R2); 6510 gen_helper_mtc0_ebase(tcg_env, arg); 6511 register_name = "EBase"; 6512 break; 6513 default: 6514 goto cp0_unimplemented; 6515 } 6516 break; 6517 case CP0_REGISTER_16: 6518 switch (sel) { 6519 case CP0_REG16__CONFIG: 6520 gen_helper_mtc0_config0(tcg_env, arg); 6521 register_name = "Config"; 6522 /* Stop translation as we may have switched the execution mode */ 6523 ctx->base.is_jmp = DISAS_STOP; 6524 break; 6525 case CP0_REG16__CONFIG1: 6526 /* ignored, read only */ 6527 register_name = "Config1"; 6528 break; 6529 case CP0_REG16__CONFIG2: 6530 gen_helper_mtc0_config2(tcg_env, arg); 6531 register_name = "Config2"; 6532 /* Stop translation as we may have switched the execution mode */ 6533 ctx->base.is_jmp = DISAS_STOP; 6534 break; 6535 case CP0_REG16__CONFIG3: 6536 gen_helper_mtc0_config3(tcg_env, arg); 6537 register_name = "Config3"; 6538 /* Stop translation as we may have switched the execution mode */ 6539 ctx->base.is_jmp = DISAS_STOP; 6540 break; 6541 case CP0_REG16__CONFIG4: 6542 gen_helper_mtc0_config4(tcg_env, arg); 6543 register_name = "Config4"; 6544 ctx->base.is_jmp = DISAS_STOP; 6545 break; 6546 case CP0_REG16__CONFIG5: 6547 gen_helper_mtc0_config5(tcg_env, arg); 6548 register_name = "Config5"; 6549 /* Stop translation as we may have switched the execution mode */ 6550 ctx->base.is_jmp = DISAS_STOP; 6551 break; 6552 /* 6,7 are implementation dependent */ 6553 case CP0_REG16__CONFIG6: 6554 /* ignored */ 6555 register_name = "Config6"; 6556 break; 6557 case CP0_REG16__CONFIG7: 6558 /* ignored */ 6559 register_name = "Config7"; 6560 break; 6561 default: 6562 register_name = "Invalid config selector"; 6563 goto cp0_unimplemented; 6564 } 6565 break; 6566 case CP0_REGISTER_17: 6567 switch (sel) { 6568 case CP0_REG17__LLADDR: 6569 gen_helper_mtc0_lladdr(tcg_env, arg); 6570 register_name = "LLAddr"; 6571 break; 6572 case CP0_REG17__MAAR: 6573 CP0_CHECK(ctx->mrp); 6574 gen_helper_mtc0_maar(tcg_env, arg); 6575 register_name = "MAAR"; 6576 break; 6577 case CP0_REG17__MAARI: 6578 CP0_CHECK(ctx->mrp); 6579 gen_helper_mtc0_maari(tcg_env, arg); 6580 register_name = "MAARI"; 6581 break; 6582 default: 6583 goto cp0_unimplemented; 6584 } 6585 break; 6586 case CP0_REGISTER_18: 6587 switch (sel) { 6588 case CP0_REG18__WATCHLO0: 6589 case CP0_REG18__WATCHLO1: 6590 case CP0_REG18__WATCHLO2: 6591 case CP0_REG18__WATCHLO3: 6592 case CP0_REG18__WATCHLO4: 6593 case CP0_REG18__WATCHLO5: 6594 case CP0_REG18__WATCHLO6: 6595 case CP0_REG18__WATCHLO7: 6596 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 6597 gen_helper_0e1i(mtc0_watchlo, arg, sel); 6598 register_name = "WatchLo"; 6599 break; 6600 default: 6601 goto cp0_unimplemented; 6602 } 6603 break; 6604 case CP0_REGISTER_19: 6605 switch (sel) { 6606 case CP0_REG19__WATCHHI0: 6607 case CP0_REG19__WATCHHI1: 6608 case CP0_REG19__WATCHHI2: 6609 case CP0_REG19__WATCHHI3: 6610 case CP0_REG19__WATCHHI4: 6611 case CP0_REG19__WATCHHI5: 6612 case CP0_REG19__WATCHHI6: 6613 case CP0_REG19__WATCHHI7: 6614 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 6615 gen_helper_0e1i(mtc0_watchhi, arg, sel); 6616 register_name = "WatchHi"; 6617 break; 6618 default: 6619 goto cp0_unimplemented; 6620 } 6621 break; 6622 case CP0_REGISTER_20: 6623 switch (sel) { 6624 case CP0_REG20__XCONTEXT: 6625 #if defined(TARGET_MIPS64) 6626 check_insn(ctx, ISA_MIPS3); 6627 gen_helper_mtc0_xcontext(tcg_env, arg); 6628 register_name = "XContext"; 6629 break; 6630 #endif 6631 default: 6632 goto cp0_unimplemented; 6633 } 6634 break; 6635 case CP0_REGISTER_21: 6636 /* Officially reserved, but sel 0 is used for R1x000 framemask */ 6637 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 6638 switch (sel) { 6639 case 0: 6640 gen_helper_mtc0_framemask(tcg_env, arg); 6641 register_name = "Framemask"; 6642 break; 6643 default: 6644 goto cp0_unimplemented; 6645 } 6646 break; 6647 case CP0_REGISTER_22: 6648 /* ignored */ 6649 register_name = "Diagnostic"; /* implementation dependent */ 6650 break; 6651 case CP0_REGISTER_23: 6652 switch (sel) { 6653 case CP0_REG23__DEBUG: 6654 gen_helper_mtc0_debug(tcg_env, arg); /* EJTAG support */ 6655 /* DISAS_STOP isn't good enough here, hflags may have changed. */ 6656 gen_save_pc(ctx->base.pc_next + 4); 6657 ctx->base.is_jmp = DISAS_EXIT; 6658 register_name = "Debug"; 6659 break; 6660 case CP0_REG23__TRACECONTROL: 6661 /* PDtrace support */ 6662 /* gen_helper_mtc0_tracecontrol(tcg_env, arg); */ 6663 register_name = "TraceControl"; 6664 /* Stop translation as we may have switched the execution mode */ 6665 ctx->base.is_jmp = DISAS_STOP; 6666 goto cp0_unimplemented; 6667 case CP0_REG23__TRACECONTROL2: 6668 /* PDtrace support */ 6669 /* gen_helper_mtc0_tracecontrol2(tcg_env, arg); */ 6670 register_name = "TraceControl2"; 6671 /* Stop translation as we may have switched the execution mode */ 6672 ctx->base.is_jmp = DISAS_STOP; 6673 goto cp0_unimplemented; 6674 case CP0_REG23__USERTRACEDATA1: 6675 /* Stop translation as we may have switched the execution mode */ 6676 ctx->base.is_jmp = DISAS_STOP; 6677 /* PDtrace support */ 6678 /* gen_helper_mtc0_usertracedata1(tcg_env, arg);*/ 6679 register_name = "UserTraceData"; 6680 /* Stop translation as we may have switched the execution mode */ 6681 ctx->base.is_jmp = DISAS_STOP; 6682 goto cp0_unimplemented; 6683 case CP0_REG23__TRACEIBPC: 6684 /* PDtrace support */ 6685 /* gen_helper_mtc0_traceibpc(tcg_env, arg); */ 6686 /* Stop translation as we may have switched the execution mode */ 6687 ctx->base.is_jmp = DISAS_STOP; 6688 register_name = "TraceIBPC"; 6689 goto cp0_unimplemented; 6690 case CP0_REG23__TRACEDBPC: 6691 /* PDtrace support */ 6692 /* gen_helper_mtc0_tracedbpc(tcg_env, arg); */ 6693 /* Stop translation as we may have switched the execution mode */ 6694 ctx->base.is_jmp = DISAS_STOP; 6695 register_name = "TraceDBPC"; 6696 goto cp0_unimplemented; 6697 default: 6698 goto cp0_unimplemented; 6699 } 6700 break; 6701 case CP0_REGISTER_24: 6702 switch (sel) { 6703 case CP0_REG24__DEPC: 6704 /* EJTAG support */ 6705 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC)); 6706 register_name = "DEPC"; 6707 break; 6708 default: 6709 goto cp0_unimplemented; 6710 } 6711 break; 6712 case CP0_REGISTER_25: 6713 switch (sel) { 6714 case CP0_REG25__PERFCTL0: 6715 gen_helper_mtc0_performance0(tcg_env, arg); 6716 register_name = "Performance0"; 6717 break; 6718 case CP0_REG25__PERFCNT0: 6719 /* gen_helper_mtc0_performance1(arg); */ 6720 register_name = "Performance1"; 6721 goto cp0_unimplemented; 6722 case CP0_REG25__PERFCTL1: 6723 /* gen_helper_mtc0_performance2(arg); */ 6724 register_name = "Performance2"; 6725 goto cp0_unimplemented; 6726 case CP0_REG25__PERFCNT1: 6727 /* gen_helper_mtc0_performance3(arg); */ 6728 register_name = "Performance3"; 6729 goto cp0_unimplemented; 6730 case CP0_REG25__PERFCTL2: 6731 /* gen_helper_mtc0_performance4(arg); */ 6732 register_name = "Performance4"; 6733 goto cp0_unimplemented; 6734 case CP0_REG25__PERFCNT2: 6735 /* gen_helper_mtc0_performance5(arg); */ 6736 register_name = "Performance5"; 6737 goto cp0_unimplemented; 6738 case CP0_REG25__PERFCTL3: 6739 /* gen_helper_mtc0_performance6(arg); */ 6740 register_name = "Performance6"; 6741 goto cp0_unimplemented; 6742 case CP0_REG25__PERFCNT3: 6743 /* gen_helper_mtc0_performance7(arg); */ 6744 register_name = "Performance7"; 6745 goto cp0_unimplemented; 6746 default: 6747 goto cp0_unimplemented; 6748 } 6749 break; 6750 case CP0_REGISTER_26: 6751 switch (sel) { 6752 case CP0_REG26__ERRCTL: 6753 gen_helper_mtc0_errctl(tcg_env, arg); 6754 ctx->base.is_jmp = DISAS_STOP; 6755 register_name = "ErrCtl"; 6756 break; 6757 default: 6758 goto cp0_unimplemented; 6759 } 6760 break; 6761 case CP0_REGISTER_27: 6762 switch (sel) { 6763 case CP0_REG27__CACHERR: 6764 /* ignored */ 6765 register_name = "CacheErr"; 6766 break; 6767 default: 6768 goto cp0_unimplemented; 6769 } 6770 break; 6771 case CP0_REGISTER_28: 6772 switch (sel) { 6773 case CP0_REG28__TAGLO: 6774 case CP0_REG28__TAGLO1: 6775 case CP0_REG28__TAGLO2: 6776 case CP0_REG28__TAGLO3: 6777 gen_helper_mtc0_taglo(tcg_env, arg); 6778 register_name = "TagLo"; 6779 break; 6780 case CP0_REG28__DATALO: 6781 case CP0_REG28__DATALO1: 6782 case CP0_REG28__DATALO2: 6783 case CP0_REG28__DATALO3: 6784 gen_helper_mtc0_datalo(tcg_env, arg); 6785 register_name = "DataLo"; 6786 break; 6787 default: 6788 goto cp0_unimplemented; 6789 } 6790 break; 6791 case CP0_REGISTER_29: 6792 switch (sel) { 6793 case CP0_REG29__TAGHI: 6794 case CP0_REG29__TAGHI1: 6795 case CP0_REG29__TAGHI2: 6796 case CP0_REG29__TAGHI3: 6797 gen_helper_mtc0_taghi(tcg_env, arg); 6798 register_name = "TagHi"; 6799 break; 6800 case CP0_REG29__DATAHI: 6801 case CP0_REG29__DATAHI1: 6802 case CP0_REG29__DATAHI2: 6803 case CP0_REG29__DATAHI3: 6804 gen_helper_mtc0_datahi(tcg_env, arg); 6805 register_name = "DataHi"; 6806 break; 6807 default: 6808 register_name = "invalid sel"; 6809 goto cp0_unimplemented; 6810 } 6811 break; 6812 case CP0_REGISTER_30: 6813 switch (sel) { 6814 case CP0_REG30__ERROREPC: 6815 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC)); 6816 register_name = "ErrorEPC"; 6817 break; 6818 default: 6819 goto cp0_unimplemented; 6820 } 6821 break; 6822 case CP0_REGISTER_31: 6823 switch (sel) { 6824 case CP0_REG31__DESAVE: 6825 /* EJTAG support */ 6826 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE)); 6827 register_name = "DESAVE"; 6828 break; 6829 case CP0_REG31__KSCRATCH1: 6830 case CP0_REG31__KSCRATCH2: 6831 case CP0_REG31__KSCRATCH3: 6832 case CP0_REG31__KSCRATCH4: 6833 case CP0_REG31__KSCRATCH5: 6834 case CP0_REG31__KSCRATCH6: 6835 CP0_CHECK(ctx->kscrexist & (1 << sel)); 6836 tcg_gen_st_tl(arg, tcg_env, 6837 offsetof(CPUMIPSState, CP0_KScratch[sel - 2])); 6838 register_name = "KScratch"; 6839 break; 6840 default: 6841 goto cp0_unimplemented; 6842 } 6843 break; 6844 default: 6845 goto cp0_unimplemented; 6846 } 6847 trace_mips_translate_c0("mtc0", register_name, reg, sel); 6848 6849 /* For simplicity assume that all writes can cause interrupts. */ 6850 if (icount) { 6851 /* 6852 * DISAS_STOP isn't sufficient, we need to ensure we break out of 6853 * translated code to check for pending interrupts. 6854 */ 6855 gen_save_pc(ctx->base.pc_next + 4); 6856 ctx->base.is_jmp = DISAS_EXIT; 6857 } 6858 return; 6859 6860 cp0_unimplemented: 6861 qemu_log_mask(LOG_UNIMP, "mtc0 %s (reg %d sel %d)\n", 6862 register_name, reg, sel); 6863 } 6864 6865 #if defined(TARGET_MIPS64) 6866 static void gen_dmfc0(DisasContext *ctx, TCGv arg, int reg, int sel) 6867 { 6868 const char *register_name = "invalid"; 6869 6870 if (sel != 0) { 6871 check_insn(ctx, ISA_MIPS_R1); 6872 } 6873 6874 switch (reg) { 6875 case CP0_REGISTER_00: 6876 switch (sel) { 6877 case CP0_REG00__INDEX: 6878 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Index)); 6879 register_name = "Index"; 6880 break; 6881 case CP0_REG00__MVPCONTROL: 6882 CP0_CHECK(ctx->insn_flags & ASE_MT); 6883 gen_helper_mfc0_mvpcontrol(arg, tcg_env); 6884 register_name = "MVPControl"; 6885 break; 6886 case CP0_REG00__MVPCONF0: 6887 CP0_CHECK(ctx->insn_flags & ASE_MT); 6888 gen_helper_mfc0_mvpconf0(arg, tcg_env); 6889 register_name = "MVPConf0"; 6890 break; 6891 case CP0_REG00__MVPCONF1: 6892 CP0_CHECK(ctx->insn_flags & ASE_MT); 6893 gen_helper_mfc0_mvpconf1(arg, tcg_env); 6894 register_name = "MVPConf1"; 6895 break; 6896 case CP0_REG00__VPCONTROL: 6897 CP0_CHECK(ctx->vp); 6898 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPControl)); 6899 register_name = "VPControl"; 6900 break; 6901 default: 6902 goto cp0_unimplemented; 6903 } 6904 break; 6905 case CP0_REGISTER_01: 6906 switch (sel) { 6907 case CP0_REG01__RANDOM: 6908 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 6909 gen_helper_mfc0_random(arg, tcg_env); 6910 register_name = "Random"; 6911 break; 6912 case CP0_REG01__VPECONTROL: 6913 CP0_CHECK(ctx->insn_flags & ASE_MT); 6914 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEControl)); 6915 register_name = "VPEControl"; 6916 break; 6917 case CP0_REG01__VPECONF0: 6918 CP0_CHECK(ctx->insn_flags & ASE_MT); 6919 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf0)); 6920 register_name = "VPEConf0"; 6921 break; 6922 case CP0_REG01__VPECONF1: 6923 CP0_CHECK(ctx->insn_flags & ASE_MT); 6924 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEConf1)); 6925 register_name = "VPEConf1"; 6926 break; 6927 case CP0_REG01__YQMASK: 6928 CP0_CHECK(ctx->insn_flags & ASE_MT); 6929 tcg_gen_ld_tl(arg, tcg_env, 6930 offsetof(CPUMIPSState, CP0_YQMask)); 6931 register_name = "YQMask"; 6932 break; 6933 case CP0_REG01__VPESCHEDULE: 6934 CP0_CHECK(ctx->insn_flags & ASE_MT); 6935 tcg_gen_ld_tl(arg, tcg_env, 6936 offsetof(CPUMIPSState, CP0_VPESchedule)); 6937 register_name = "VPESchedule"; 6938 break; 6939 case CP0_REG01__VPESCHEFBACK: 6940 CP0_CHECK(ctx->insn_flags & ASE_MT); 6941 tcg_gen_ld_tl(arg, tcg_env, 6942 offsetof(CPUMIPSState, CP0_VPEScheFBack)); 6943 register_name = "VPEScheFBack"; 6944 break; 6945 case CP0_REG01__VPEOPT: 6946 CP0_CHECK(ctx->insn_flags & ASE_MT); 6947 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_VPEOpt)); 6948 register_name = "VPEOpt"; 6949 break; 6950 default: 6951 goto cp0_unimplemented; 6952 } 6953 break; 6954 case CP0_REGISTER_02: 6955 switch (sel) { 6956 case CP0_REG02__ENTRYLO0: 6957 tcg_gen_ld_tl(arg, tcg_env, 6958 offsetof(CPUMIPSState, CP0_EntryLo0)); 6959 register_name = "EntryLo0"; 6960 break; 6961 case CP0_REG02__TCSTATUS: 6962 CP0_CHECK(ctx->insn_flags & ASE_MT); 6963 gen_helper_mfc0_tcstatus(arg, tcg_env); 6964 register_name = "TCStatus"; 6965 break; 6966 case CP0_REG02__TCBIND: 6967 CP0_CHECK(ctx->insn_flags & ASE_MT); 6968 gen_helper_mfc0_tcbind(arg, tcg_env); 6969 register_name = "TCBind"; 6970 break; 6971 case CP0_REG02__TCRESTART: 6972 CP0_CHECK(ctx->insn_flags & ASE_MT); 6973 gen_helper_dmfc0_tcrestart(arg, tcg_env); 6974 register_name = "TCRestart"; 6975 break; 6976 case CP0_REG02__TCHALT: 6977 CP0_CHECK(ctx->insn_flags & ASE_MT); 6978 gen_helper_dmfc0_tchalt(arg, tcg_env); 6979 register_name = "TCHalt"; 6980 break; 6981 case CP0_REG02__TCCONTEXT: 6982 CP0_CHECK(ctx->insn_flags & ASE_MT); 6983 gen_helper_dmfc0_tccontext(arg, tcg_env); 6984 register_name = "TCContext"; 6985 break; 6986 case CP0_REG02__TCSCHEDULE: 6987 CP0_CHECK(ctx->insn_flags & ASE_MT); 6988 gen_helper_dmfc0_tcschedule(arg, tcg_env); 6989 register_name = "TCSchedule"; 6990 break; 6991 case CP0_REG02__TCSCHEFBACK: 6992 CP0_CHECK(ctx->insn_flags & ASE_MT); 6993 gen_helper_dmfc0_tcschefback(arg, tcg_env); 6994 register_name = "TCScheFBack"; 6995 break; 6996 default: 6997 goto cp0_unimplemented; 6998 } 6999 break; 7000 case CP0_REGISTER_03: 7001 switch (sel) { 7002 case CP0_REG03__ENTRYLO1: 7003 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EntryLo1)); 7004 register_name = "EntryLo1"; 7005 break; 7006 case CP0_REG03__GLOBALNUM: 7007 CP0_CHECK(ctx->vp); 7008 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_GlobalNumber)); 7009 register_name = "GlobalNumber"; 7010 break; 7011 default: 7012 goto cp0_unimplemented; 7013 } 7014 break; 7015 case CP0_REGISTER_04: 7016 switch (sel) { 7017 case CP0_REG04__CONTEXT: 7018 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_Context)); 7019 register_name = "Context"; 7020 break; 7021 case CP0_REG04__CONTEXTCONFIG: 7022 /* SmartMIPS ASE */ 7023 /* gen_helper_dmfc0_contextconfig(arg); */ 7024 register_name = "ContextConfig"; 7025 goto cp0_unimplemented; 7026 case CP0_REG04__USERLOCAL: 7027 CP0_CHECK(ctx->ulri); 7028 tcg_gen_ld_tl(arg, tcg_env, 7029 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 7030 register_name = "UserLocal"; 7031 break; 7032 case CP0_REG04__MMID: 7033 CP0_CHECK(ctx->mi); 7034 gen_helper_mtc0_memorymapid(tcg_env, arg); 7035 register_name = "MMID"; 7036 break; 7037 default: 7038 goto cp0_unimplemented; 7039 } 7040 break; 7041 case CP0_REGISTER_05: 7042 switch (sel) { 7043 case CP0_REG05__PAGEMASK: 7044 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageMask)); 7045 register_name = "PageMask"; 7046 break; 7047 case CP0_REG05__PAGEGRAIN: 7048 check_insn(ctx, ISA_MIPS_R2); 7049 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PageGrain)); 7050 register_name = "PageGrain"; 7051 break; 7052 case CP0_REG05__SEGCTL0: 7053 CP0_CHECK(ctx->sc); 7054 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl0)); 7055 register_name = "SegCtl0"; 7056 break; 7057 case CP0_REG05__SEGCTL1: 7058 CP0_CHECK(ctx->sc); 7059 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl1)); 7060 register_name = "SegCtl1"; 7061 break; 7062 case CP0_REG05__SEGCTL2: 7063 CP0_CHECK(ctx->sc); 7064 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_SegCtl2)); 7065 register_name = "SegCtl2"; 7066 break; 7067 case CP0_REG05__PWBASE: 7068 check_pw(ctx); 7069 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWBase)); 7070 register_name = "PWBase"; 7071 break; 7072 case CP0_REG05__PWFIELD: 7073 check_pw(ctx); 7074 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWField)); 7075 register_name = "PWField"; 7076 break; 7077 case CP0_REG05__PWSIZE: 7078 check_pw(ctx); 7079 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWSize)); 7080 register_name = "PWSize"; 7081 break; 7082 default: 7083 goto cp0_unimplemented; 7084 } 7085 break; 7086 case CP0_REGISTER_06: 7087 switch (sel) { 7088 case CP0_REG06__WIRED: 7089 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Wired)); 7090 register_name = "Wired"; 7091 break; 7092 case CP0_REG06__SRSCONF0: 7093 check_insn(ctx, ISA_MIPS_R2); 7094 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf0)); 7095 register_name = "SRSConf0"; 7096 break; 7097 case CP0_REG06__SRSCONF1: 7098 check_insn(ctx, ISA_MIPS_R2); 7099 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf1)); 7100 register_name = "SRSConf1"; 7101 break; 7102 case CP0_REG06__SRSCONF2: 7103 check_insn(ctx, ISA_MIPS_R2); 7104 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf2)); 7105 register_name = "SRSConf2"; 7106 break; 7107 case CP0_REG06__SRSCONF3: 7108 check_insn(ctx, ISA_MIPS_R2); 7109 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf3)); 7110 register_name = "SRSConf3"; 7111 break; 7112 case CP0_REG06__SRSCONF4: 7113 check_insn(ctx, ISA_MIPS_R2); 7114 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSConf4)); 7115 register_name = "SRSConf4"; 7116 break; 7117 case CP0_REG06__PWCTL: 7118 check_pw(ctx); 7119 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PWCtl)); 7120 register_name = "PWCtl"; 7121 break; 7122 default: 7123 goto cp0_unimplemented; 7124 } 7125 break; 7126 case CP0_REGISTER_07: 7127 switch (sel) { 7128 case CP0_REG07__HWRENA: 7129 check_insn(ctx, ISA_MIPS_R2); 7130 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_HWREna)); 7131 register_name = "HWREna"; 7132 break; 7133 default: 7134 goto cp0_unimplemented; 7135 } 7136 break; 7137 case CP0_REGISTER_08: 7138 switch (sel) { 7139 case CP0_REG08__BADVADDR: 7140 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_BadVAddr)); 7141 register_name = "BadVAddr"; 7142 break; 7143 case CP0_REG08__BADINSTR: 7144 CP0_CHECK(ctx->bi); 7145 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstr)); 7146 register_name = "BadInstr"; 7147 break; 7148 case CP0_REG08__BADINSTRP: 7149 CP0_CHECK(ctx->bp); 7150 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrP)); 7151 register_name = "BadInstrP"; 7152 break; 7153 case CP0_REG08__BADINSTRX: 7154 CP0_CHECK(ctx->bi); 7155 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_BadInstrX)); 7156 tcg_gen_andi_tl(arg, arg, ~0xffff); 7157 register_name = "BadInstrX"; 7158 break; 7159 default: 7160 goto cp0_unimplemented; 7161 } 7162 break; 7163 case CP0_REGISTER_09: 7164 switch (sel) { 7165 case CP0_REG09__COUNT: 7166 /* Mark as an IO operation because we read the time. */ 7167 translator_io_start(&ctx->base); 7168 gen_helper_mfc0_count(arg, tcg_env); 7169 /* 7170 * Break the TB to be able to take timer interrupts immediately 7171 * after reading count. DISAS_STOP isn't sufficient, we need to 7172 * ensure we break completely out of translated code. 7173 */ 7174 gen_save_pc(ctx->base.pc_next + 4); 7175 ctx->base.is_jmp = DISAS_EXIT; 7176 register_name = "Count"; 7177 break; 7178 case CP0_REG09__SAARI: 7179 CP0_CHECK(ctx->saar); 7180 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SAARI)); 7181 register_name = "SAARI"; 7182 break; 7183 case CP0_REG09__SAAR: 7184 CP0_CHECK(ctx->saar); 7185 gen_helper_dmfc0_saar(arg, tcg_env); 7186 register_name = "SAAR"; 7187 break; 7188 default: 7189 goto cp0_unimplemented; 7190 } 7191 break; 7192 case CP0_REGISTER_10: 7193 switch (sel) { 7194 case CP0_REG10__ENTRYHI: 7195 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EntryHi)); 7196 register_name = "EntryHi"; 7197 break; 7198 default: 7199 goto cp0_unimplemented; 7200 } 7201 break; 7202 case CP0_REGISTER_11: 7203 switch (sel) { 7204 case CP0_REG11__COMPARE: 7205 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Compare)); 7206 register_name = "Compare"; 7207 break; 7208 /* 6,7 are implementation dependent */ 7209 default: 7210 goto cp0_unimplemented; 7211 } 7212 break; 7213 case CP0_REGISTER_12: 7214 switch (sel) { 7215 case CP0_REG12__STATUS: 7216 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Status)); 7217 register_name = "Status"; 7218 break; 7219 case CP0_REG12__INTCTL: 7220 check_insn(ctx, ISA_MIPS_R2); 7221 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_IntCtl)); 7222 register_name = "IntCtl"; 7223 break; 7224 case CP0_REG12__SRSCTL: 7225 check_insn(ctx, ISA_MIPS_R2); 7226 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSCtl)); 7227 register_name = "SRSCtl"; 7228 break; 7229 case CP0_REG12__SRSMAP: 7230 check_insn(ctx, ISA_MIPS_R2); 7231 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_SRSMap)); 7232 register_name = "SRSMap"; 7233 break; 7234 default: 7235 goto cp0_unimplemented; 7236 } 7237 break; 7238 case CP0_REGISTER_13: 7239 switch (sel) { 7240 case CP0_REG13__CAUSE: 7241 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Cause)); 7242 register_name = "Cause"; 7243 break; 7244 default: 7245 goto cp0_unimplemented; 7246 } 7247 break; 7248 case CP0_REGISTER_14: 7249 switch (sel) { 7250 case CP0_REG14__EPC: 7251 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC)); 7252 register_name = "EPC"; 7253 break; 7254 default: 7255 goto cp0_unimplemented; 7256 } 7257 break; 7258 case CP0_REGISTER_15: 7259 switch (sel) { 7260 case CP0_REG15__PRID: 7261 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_PRid)); 7262 register_name = "PRid"; 7263 break; 7264 case CP0_REG15__EBASE: 7265 check_insn(ctx, ISA_MIPS_R2); 7266 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EBase)); 7267 register_name = "EBase"; 7268 break; 7269 case CP0_REG15__CMGCRBASE: 7270 check_insn(ctx, ISA_MIPS_R2); 7271 CP0_CHECK(ctx->cmgcr); 7272 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_CMGCRBase)); 7273 register_name = "CMGCRBase"; 7274 break; 7275 default: 7276 goto cp0_unimplemented; 7277 } 7278 break; 7279 case CP0_REGISTER_16: 7280 switch (sel) { 7281 case CP0_REG16__CONFIG: 7282 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config0)); 7283 register_name = "Config"; 7284 break; 7285 case CP0_REG16__CONFIG1: 7286 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config1)); 7287 register_name = "Config1"; 7288 break; 7289 case CP0_REG16__CONFIG2: 7290 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config2)); 7291 register_name = "Config2"; 7292 break; 7293 case CP0_REG16__CONFIG3: 7294 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config3)); 7295 register_name = "Config3"; 7296 break; 7297 case CP0_REG16__CONFIG4: 7298 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config4)); 7299 register_name = "Config4"; 7300 break; 7301 case CP0_REG16__CONFIG5: 7302 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config5)); 7303 register_name = "Config5"; 7304 break; 7305 /* 6,7 are implementation dependent */ 7306 case CP0_REG16__CONFIG6: 7307 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config6)); 7308 register_name = "Config6"; 7309 break; 7310 case CP0_REG16__CONFIG7: 7311 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Config7)); 7312 register_name = "Config7"; 7313 break; 7314 default: 7315 goto cp0_unimplemented; 7316 } 7317 break; 7318 case CP0_REGISTER_17: 7319 switch (sel) { 7320 case CP0_REG17__LLADDR: 7321 gen_helper_dmfc0_lladdr(arg, tcg_env); 7322 register_name = "LLAddr"; 7323 break; 7324 case CP0_REG17__MAAR: 7325 CP0_CHECK(ctx->mrp); 7326 gen_helper_dmfc0_maar(arg, tcg_env); 7327 register_name = "MAAR"; 7328 break; 7329 case CP0_REG17__MAARI: 7330 CP0_CHECK(ctx->mrp); 7331 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MAARI)); 7332 register_name = "MAARI"; 7333 break; 7334 default: 7335 goto cp0_unimplemented; 7336 } 7337 break; 7338 case CP0_REGISTER_18: 7339 switch (sel) { 7340 case CP0_REG18__WATCHLO0: 7341 case CP0_REG18__WATCHLO1: 7342 case CP0_REG18__WATCHLO2: 7343 case CP0_REG18__WATCHLO3: 7344 case CP0_REG18__WATCHLO4: 7345 case CP0_REG18__WATCHLO5: 7346 case CP0_REG18__WATCHLO6: 7347 case CP0_REG18__WATCHLO7: 7348 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 7349 gen_helper_1e0i(dmfc0_watchlo, arg, sel); 7350 register_name = "WatchLo"; 7351 break; 7352 default: 7353 goto cp0_unimplemented; 7354 } 7355 break; 7356 case CP0_REGISTER_19: 7357 switch (sel) { 7358 case CP0_REG19__WATCHHI0: 7359 case CP0_REG19__WATCHHI1: 7360 case CP0_REG19__WATCHHI2: 7361 case CP0_REG19__WATCHHI3: 7362 case CP0_REG19__WATCHHI4: 7363 case CP0_REG19__WATCHHI5: 7364 case CP0_REG19__WATCHHI6: 7365 case CP0_REG19__WATCHHI7: 7366 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 7367 gen_helper_1e0i(dmfc0_watchhi, arg, sel); 7368 register_name = "WatchHi"; 7369 break; 7370 default: 7371 goto cp0_unimplemented; 7372 } 7373 break; 7374 case CP0_REGISTER_20: 7375 switch (sel) { 7376 case CP0_REG20__XCONTEXT: 7377 check_insn(ctx, ISA_MIPS3); 7378 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_XContext)); 7379 register_name = "XContext"; 7380 break; 7381 default: 7382 goto cp0_unimplemented; 7383 } 7384 break; 7385 case CP0_REGISTER_21: 7386 /* Officially reserved, but sel 0 is used for R1x000 framemask */ 7387 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 7388 switch (sel) { 7389 case 0: 7390 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Framemask)); 7391 register_name = "Framemask"; 7392 break; 7393 default: 7394 goto cp0_unimplemented; 7395 } 7396 break; 7397 case CP0_REGISTER_22: 7398 tcg_gen_movi_tl(arg, 0); /* unimplemented */ 7399 register_name = "'Diagnostic"; /* implementation dependent */ 7400 break; 7401 case CP0_REGISTER_23: 7402 switch (sel) { 7403 case CP0_REG23__DEBUG: 7404 gen_helper_mfc0_debug(arg, tcg_env); /* EJTAG support */ 7405 register_name = "Debug"; 7406 break; 7407 case CP0_REG23__TRACECONTROL: 7408 /* PDtrace support */ 7409 /* gen_helper_dmfc0_tracecontrol(arg, tcg_env); */ 7410 register_name = "TraceControl"; 7411 goto cp0_unimplemented; 7412 case CP0_REG23__TRACECONTROL2: 7413 /* PDtrace support */ 7414 /* gen_helper_dmfc0_tracecontrol2(arg, tcg_env); */ 7415 register_name = "TraceControl2"; 7416 goto cp0_unimplemented; 7417 case CP0_REG23__USERTRACEDATA1: 7418 /* PDtrace support */ 7419 /* gen_helper_dmfc0_usertracedata1(arg, tcg_env);*/ 7420 register_name = "UserTraceData1"; 7421 goto cp0_unimplemented; 7422 case CP0_REG23__TRACEIBPC: 7423 /* PDtrace support */ 7424 /* gen_helper_dmfc0_traceibpc(arg, tcg_env); */ 7425 register_name = "TraceIBPC"; 7426 goto cp0_unimplemented; 7427 case CP0_REG23__TRACEDBPC: 7428 /* PDtrace support */ 7429 /* gen_helper_dmfc0_tracedbpc(arg, tcg_env); */ 7430 register_name = "TraceDBPC"; 7431 goto cp0_unimplemented; 7432 default: 7433 goto cp0_unimplemented; 7434 } 7435 break; 7436 case CP0_REGISTER_24: 7437 switch (sel) { 7438 case CP0_REG24__DEPC: 7439 /* EJTAG support */ 7440 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC)); 7441 register_name = "DEPC"; 7442 break; 7443 default: 7444 goto cp0_unimplemented; 7445 } 7446 break; 7447 case CP0_REGISTER_25: 7448 switch (sel) { 7449 case CP0_REG25__PERFCTL0: 7450 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_Performance0)); 7451 register_name = "Performance0"; 7452 break; 7453 case CP0_REG25__PERFCNT0: 7454 /* gen_helper_dmfc0_performance1(arg); */ 7455 register_name = "Performance1"; 7456 goto cp0_unimplemented; 7457 case CP0_REG25__PERFCTL1: 7458 /* gen_helper_dmfc0_performance2(arg); */ 7459 register_name = "Performance2"; 7460 goto cp0_unimplemented; 7461 case CP0_REG25__PERFCNT1: 7462 /* gen_helper_dmfc0_performance3(arg); */ 7463 register_name = "Performance3"; 7464 goto cp0_unimplemented; 7465 case CP0_REG25__PERFCTL2: 7466 /* gen_helper_dmfc0_performance4(arg); */ 7467 register_name = "Performance4"; 7468 goto cp0_unimplemented; 7469 case CP0_REG25__PERFCNT2: 7470 /* gen_helper_dmfc0_performance5(arg); */ 7471 register_name = "Performance5"; 7472 goto cp0_unimplemented; 7473 case CP0_REG25__PERFCTL3: 7474 /* gen_helper_dmfc0_performance6(arg); */ 7475 register_name = "Performance6"; 7476 goto cp0_unimplemented; 7477 case CP0_REG25__PERFCNT3: 7478 /* gen_helper_dmfc0_performance7(arg); */ 7479 register_name = "Performance7"; 7480 goto cp0_unimplemented; 7481 default: 7482 goto cp0_unimplemented; 7483 } 7484 break; 7485 case CP0_REGISTER_26: 7486 switch (sel) { 7487 case CP0_REG26__ERRCTL: 7488 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_ErrCtl)); 7489 register_name = "ErrCtl"; 7490 break; 7491 default: 7492 goto cp0_unimplemented; 7493 } 7494 break; 7495 case CP0_REGISTER_27: 7496 switch (sel) { 7497 /* ignored */ 7498 case CP0_REG27__CACHERR: 7499 tcg_gen_movi_tl(arg, 0); /* unimplemented */ 7500 register_name = "CacheErr"; 7501 break; 7502 default: 7503 goto cp0_unimplemented; 7504 } 7505 break; 7506 case CP0_REGISTER_28: 7507 switch (sel) { 7508 case CP0_REG28__TAGLO: 7509 case CP0_REG28__TAGLO1: 7510 case CP0_REG28__TAGLO2: 7511 case CP0_REG28__TAGLO3: 7512 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagLo)); 7513 register_name = "TagLo"; 7514 break; 7515 case CP0_REG28__DATALO: 7516 case CP0_REG28__DATALO1: 7517 case CP0_REG28__DATALO2: 7518 case CP0_REG28__DATALO3: 7519 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataLo)); 7520 register_name = "DataLo"; 7521 break; 7522 default: 7523 goto cp0_unimplemented; 7524 } 7525 break; 7526 case CP0_REGISTER_29: 7527 switch (sel) { 7528 case CP0_REG29__TAGHI: 7529 case CP0_REG29__TAGHI1: 7530 case CP0_REG29__TAGHI2: 7531 case CP0_REG29__TAGHI3: 7532 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_TagHi)); 7533 register_name = "TagHi"; 7534 break; 7535 case CP0_REG29__DATAHI: 7536 case CP0_REG29__DATAHI1: 7537 case CP0_REG29__DATAHI2: 7538 case CP0_REG29__DATAHI3: 7539 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DataHi)); 7540 register_name = "DataHi"; 7541 break; 7542 default: 7543 goto cp0_unimplemented; 7544 } 7545 break; 7546 case CP0_REGISTER_30: 7547 switch (sel) { 7548 case CP0_REG30__ERROREPC: 7549 tcg_gen_ld_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC)); 7550 register_name = "ErrorEPC"; 7551 break; 7552 default: 7553 goto cp0_unimplemented; 7554 } 7555 break; 7556 case CP0_REGISTER_31: 7557 switch (sel) { 7558 case CP0_REG31__DESAVE: 7559 /* EJTAG support */ 7560 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_DESAVE)); 7561 register_name = "DESAVE"; 7562 break; 7563 case CP0_REG31__KSCRATCH1: 7564 case CP0_REG31__KSCRATCH2: 7565 case CP0_REG31__KSCRATCH3: 7566 case CP0_REG31__KSCRATCH4: 7567 case CP0_REG31__KSCRATCH5: 7568 case CP0_REG31__KSCRATCH6: 7569 CP0_CHECK(ctx->kscrexist & (1 << sel)); 7570 tcg_gen_ld_tl(arg, tcg_env, 7571 offsetof(CPUMIPSState, CP0_KScratch[sel - 2])); 7572 register_name = "KScratch"; 7573 break; 7574 default: 7575 goto cp0_unimplemented; 7576 } 7577 break; 7578 default: 7579 goto cp0_unimplemented; 7580 } 7581 trace_mips_translate_c0("dmfc0", register_name, reg, sel); 7582 return; 7583 7584 cp0_unimplemented: 7585 qemu_log_mask(LOG_UNIMP, "dmfc0 %s (reg %d sel %d)\n", 7586 register_name, reg, sel); 7587 gen_mfc0_unimplemented(ctx, arg); 7588 } 7589 7590 static void gen_dmtc0(DisasContext *ctx, TCGv arg, int reg, int sel) 7591 { 7592 const char *register_name = "invalid"; 7593 bool icount; 7594 7595 if (sel != 0) { 7596 check_insn(ctx, ISA_MIPS_R1); 7597 } 7598 7599 icount = translator_io_start(&ctx->base); 7600 7601 switch (reg) { 7602 case CP0_REGISTER_00: 7603 switch (sel) { 7604 case CP0_REG00__INDEX: 7605 gen_helper_mtc0_index(tcg_env, arg); 7606 register_name = "Index"; 7607 break; 7608 case CP0_REG00__MVPCONTROL: 7609 CP0_CHECK(ctx->insn_flags & ASE_MT); 7610 gen_helper_mtc0_mvpcontrol(tcg_env, arg); 7611 register_name = "MVPControl"; 7612 break; 7613 case CP0_REG00__MVPCONF0: 7614 CP0_CHECK(ctx->insn_flags & ASE_MT); 7615 /* ignored */ 7616 register_name = "MVPConf0"; 7617 break; 7618 case CP0_REG00__MVPCONF1: 7619 CP0_CHECK(ctx->insn_flags & ASE_MT); 7620 /* ignored */ 7621 register_name = "MVPConf1"; 7622 break; 7623 case CP0_REG00__VPCONTROL: 7624 CP0_CHECK(ctx->vp); 7625 /* ignored */ 7626 register_name = "VPControl"; 7627 break; 7628 default: 7629 goto cp0_unimplemented; 7630 } 7631 break; 7632 case CP0_REGISTER_01: 7633 switch (sel) { 7634 case CP0_REG01__RANDOM: 7635 /* ignored */ 7636 register_name = "Random"; 7637 break; 7638 case CP0_REG01__VPECONTROL: 7639 CP0_CHECK(ctx->insn_flags & ASE_MT); 7640 gen_helper_mtc0_vpecontrol(tcg_env, arg); 7641 register_name = "VPEControl"; 7642 break; 7643 case CP0_REG01__VPECONF0: 7644 CP0_CHECK(ctx->insn_flags & ASE_MT); 7645 gen_helper_mtc0_vpeconf0(tcg_env, arg); 7646 register_name = "VPEConf0"; 7647 break; 7648 case CP0_REG01__VPECONF1: 7649 CP0_CHECK(ctx->insn_flags & ASE_MT); 7650 gen_helper_mtc0_vpeconf1(tcg_env, arg); 7651 register_name = "VPEConf1"; 7652 break; 7653 case CP0_REG01__YQMASK: 7654 CP0_CHECK(ctx->insn_flags & ASE_MT); 7655 gen_helper_mtc0_yqmask(tcg_env, arg); 7656 register_name = "YQMask"; 7657 break; 7658 case CP0_REG01__VPESCHEDULE: 7659 CP0_CHECK(ctx->insn_flags & ASE_MT); 7660 tcg_gen_st_tl(arg, tcg_env, 7661 offsetof(CPUMIPSState, CP0_VPESchedule)); 7662 register_name = "VPESchedule"; 7663 break; 7664 case CP0_REG01__VPESCHEFBACK: 7665 CP0_CHECK(ctx->insn_flags & ASE_MT); 7666 tcg_gen_st_tl(arg, tcg_env, 7667 offsetof(CPUMIPSState, CP0_VPEScheFBack)); 7668 register_name = "VPEScheFBack"; 7669 break; 7670 case CP0_REG01__VPEOPT: 7671 CP0_CHECK(ctx->insn_flags & ASE_MT); 7672 gen_helper_mtc0_vpeopt(tcg_env, arg); 7673 register_name = "VPEOpt"; 7674 break; 7675 default: 7676 goto cp0_unimplemented; 7677 } 7678 break; 7679 case CP0_REGISTER_02: 7680 switch (sel) { 7681 case CP0_REG02__ENTRYLO0: 7682 gen_helper_dmtc0_entrylo0(tcg_env, arg); 7683 register_name = "EntryLo0"; 7684 break; 7685 case CP0_REG02__TCSTATUS: 7686 CP0_CHECK(ctx->insn_flags & ASE_MT); 7687 gen_helper_mtc0_tcstatus(tcg_env, arg); 7688 register_name = "TCStatus"; 7689 break; 7690 case CP0_REG02__TCBIND: 7691 CP0_CHECK(ctx->insn_flags & ASE_MT); 7692 gen_helper_mtc0_tcbind(tcg_env, arg); 7693 register_name = "TCBind"; 7694 break; 7695 case CP0_REG02__TCRESTART: 7696 CP0_CHECK(ctx->insn_flags & ASE_MT); 7697 gen_helper_mtc0_tcrestart(tcg_env, arg); 7698 register_name = "TCRestart"; 7699 break; 7700 case CP0_REG02__TCHALT: 7701 CP0_CHECK(ctx->insn_flags & ASE_MT); 7702 gen_helper_mtc0_tchalt(tcg_env, arg); 7703 register_name = "TCHalt"; 7704 break; 7705 case CP0_REG02__TCCONTEXT: 7706 CP0_CHECK(ctx->insn_flags & ASE_MT); 7707 gen_helper_mtc0_tccontext(tcg_env, arg); 7708 register_name = "TCContext"; 7709 break; 7710 case CP0_REG02__TCSCHEDULE: 7711 CP0_CHECK(ctx->insn_flags & ASE_MT); 7712 gen_helper_mtc0_tcschedule(tcg_env, arg); 7713 register_name = "TCSchedule"; 7714 break; 7715 case CP0_REG02__TCSCHEFBACK: 7716 CP0_CHECK(ctx->insn_flags & ASE_MT); 7717 gen_helper_mtc0_tcschefback(tcg_env, arg); 7718 register_name = "TCScheFBack"; 7719 break; 7720 default: 7721 goto cp0_unimplemented; 7722 } 7723 break; 7724 case CP0_REGISTER_03: 7725 switch (sel) { 7726 case CP0_REG03__ENTRYLO1: 7727 gen_helper_dmtc0_entrylo1(tcg_env, arg); 7728 register_name = "EntryLo1"; 7729 break; 7730 case CP0_REG03__GLOBALNUM: 7731 CP0_CHECK(ctx->vp); 7732 /* ignored */ 7733 register_name = "GlobalNumber"; 7734 break; 7735 default: 7736 goto cp0_unimplemented; 7737 } 7738 break; 7739 case CP0_REGISTER_04: 7740 switch (sel) { 7741 case CP0_REG04__CONTEXT: 7742 gen_helper_mtc0_context(tcg_env, arg); 7743 register_name = "Context"; 7744 break; 7745 case CP0_REG04__CONTEXTCONFIG: 7746 /* SmartMIPS ASE */ 7747 /* gen_helper_dmtc0_contextconfig(arg); */ 7748 register_name = "ContextConfig"; 7749 goto cp0_unimplemented; 7750 case CP0_REG04__USERLOCAL: 7751 CP0_CHECK(ctx->ulri); 7752 tcg_gen_st_tl(arg, tcg_env, 7753 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 7754 register_name = "UserLocal"; 7755 break; 7756 case CP0_REG04__MMID: 7757 CP0_CHECK(ctx->mi); 7758 gen_mfc0_load32(arg, offsetof(CPUMIPSState, CP0_MemoryMapID)); 7759 register_name = "MMID"; 7760 break; 7761 default: 7762 goto cp0_unimplemented; 7763 } 7764 break; 7765 case CP0_REGISTER_05: 7766 switch (sel) { 7767 case CP0_REG05__PAGEMASK: 7768 gen_helper_mtc0_pagemask(tcg_env, arg); 7769 register_name = "PageMask"; 7770 break; 7771 case CP0_REG05__PAGEGRAIN: 7772 check_insn(ctx, ISA_MIPS_R2); 7773 gen_helper_mtc0_pagegrain(tcg_env, arg); 7774 register_name = "PageGrain"; 7775 break; 7776 case CP0_REG05__SEGCTL0: 7777 CP0_CHECK(ctx->sc); 7778 gen_helper_mtc0_segctl0(tcg_env, arg); 7779 register_name = "SegCtl0"; 7780 break; 7781 case CP0_REG05__SEGCTL1: 7782 CP0_CHECK(ctx->sc); 7783 gen_helper_mtc0_segctl1(tcg_env, arg); 7784 register_name = "SegCtl1"; 7785 break; 7786 case CP0_REG05__SEGCTL2: 7787 CP0_CHECK(ctx->sc); 7788 gen_helper_mtc0_segctl2(tcg_env, arg); 7789 register_name = "SegCtl2"; 7790 break; 7791 case CP0_REG05__PWBASE: 7792 check_pw(ctx); 7793 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_PWBase)); 7794 register_name = "PWBase"; 7795 break; 7796 case CP0_REG05__PWFIELD: 7797 check_pw(ctx); 7798 gen_helper_mtc0_pwfield(tcg_env, arg); 7799 register_name = "PWField"; 7800 break; 7801 case CP0_REG05__PWSIZE: 7802 check_pw(ctx); 7803 gen_helper_mtc0_pwsize(tcg_env, arg); 7804 register_name = "PWSize"; 7805 break; 7806 default: 7807 goto cp0_unimplemented; 7808 } 7809 break; 7810 case CP0_REGISTER_06: 7811 switch (sel) { 7812 case CP0_REG06__WIRED: 7813 gen_helper_mtc0_wired(tcg_env, arg); 7814 register_name = "Wired"; 7815 break; 7816 case CP0_REG06__SRSCONF0: 7817 check_insn(ctx, ISA_MIPS_R2); 7818 gen_helper_mtc0_srsconf0(tcg_env, arg); 7819 register_name = "SRSConf0"; 7820 break; 7821 case CP0_REG06__SRSCONF1: 7822 check_insn(ctx, ISA_MIPS_R2); 7823 gen_helper_mtc0_srsconf1(tcg_env, arg); 7824 register_name = "SRSConf1"; 7825 break; 7826 case CP0_REG06__SRSCONF2: 7827 check_insn(ctx, ISA_MIPS_R2); 7828 gen_helper_mtc0_srsconf2(tcg_env, arg); 7829 register_name = "SRSConf2"; 7830 break; 7831 case CP0_REG06__SRSCONF3: 7832 check_insn(ctx, ISA_MIPS_R2); 7833 gen_helper_mtc0_srsconf3(tcg_env, arg); 7834 register_name = "SRSConf3"; 7835 break; 7836 case CP0_REG06__SRSCONF4: 7837 check_insn(ctx, ISA_MIPS_R2); 7838 gen_helper_mtc0_srsconf4(tcg_env, arg); 7839 register_name = "SRSConf4"; 7840 break; 7841 case CP0_REG06__PWCTL: 7842 check_pw(ctx); 7843 gen_helper_mtc0_pwctl(tcg_env, arg); 7844 register_name = "PWCtl"; 7845 break; 7846 default: 7847 goto cp0_unimplemented; 7848 } 7849 break; 7850 case CP0_REGISTER_07: 7851 switch (sel) { 7852 case CP0_REG07__HWRENA: 7853 check_insn(ctx, ISA_MIPS_R2); 7854 gen_helper_mtc0_hwrena(tcg_env, arg); 7855 ctx->base.is_jmp = DISAS_STOP; 7856 register_name = "HWREna"; 7857 break; 7858 default: 7859 goto cp0_unimplemented; 7860 } 7861 break; 7862 case CP0_REGISTER_08: 7863 switch (sel) { 7864 case CP0_REG08__BADVADDR: 7865 /* ignored */ 7866 register_name = "BadVAddr"; 7867 break; 7868 case CP0_REG08__BADINSTR: 7869 /* ignored */ 7870 register_name = "BadInstr"; 7871 break; 7872 case CP0_REG08__BADINSTRP: 7873 /* ignored */ 7874 register_name = "BadInstrP"; 7875 break; 7876 case CP0_REG08__BADINSTRX: 7877 /* ignored */ 7878 register_name = "BadInstrX"; 7879 break; 7880 default: 7881 goto cp0_unimplemented; 7882 } 7883 break; 7884 case CP0_REGISTER_09: 7885 switch (sel) { 7886 case CP0_REG09__COUNT: 7887 gen_helper_mtc0_count(tcg_env, arg); 7888 register_name = "Count"; 7889 break; 7890 case CP0_REG09__SAARI: 7891 CP0_CHECK(ctx->saar); 7892 gen_helper_mtc0_saari(tcg_env, arg); 7893 register_name = "SAARI"; 7894 break; 7895 case CP0_REG09__SAAR: 7896 CP0_CHECK(ctx->saar); 7897 gen_helper_mtc0_saar(tcg_env, arg); 7898 register_name = "SAAR"; 7899 break; 7900 default: 7901 goto cp0_unimplemented; 7902 } 7903 /* Stop translation as we may have switched the execution mode */ 7904 ctx->base.is_jmp = DISAS_STOP; 7905 break; 7906 case CP0_REGISTER_10: 7907 switch (sel) { 7908 case CP0_REG10__ENTRYHI: 7909 gen_helper_mtc0_entryhi(tcg_env, arg); 7910 register_name = "EntryHi"; 7911 break; 7912 default: 7913 goto cp0_unimplemented; 7914 } 7915 break; 7916 case CP0_REGISTER_11: 7917 switch (sel) { 7918 case CP0_REG11__COMPARE: 7919 gen_helper_mtc0_compare(tcg_env, arg); 7920 register_name = "Compare"; 7921 break; 7922 /* 6,7 are implementation dependent */ 7923 default: 7924 goto cp0_unimplemented; 7925 } 7926 /* Stop translation as we may have switched the execution mode */ 7927 ctx->base.is_jmp = DISAS_STOP; 7928 break; 7929 case CP0_REGISTER_12: 7930 switch (sel) { 7931 case CP0_REG12__STATUS: 7932 save_cpu_state(ctx, 1); 7933 gen_helper_mtc0_status(tcg_env, arg); 7934 /* DISAS_STOP isn't good enough here, hflags may have changed. */ 7935 gen_save_pc(ctx->base.pc_next + 4); 7936 ctx->base.is_jmp = DISAS_EXIT; 7937 register_name = "Status"; 7938 break; 7939 case CP0_REG12__INTCTL: 7940 check_insn(ctx, ISA_MIPS_R2); 7941 gen_helper_mtc0_intctl(tcg_env, arg); 7942 /* Stop translation as we may have switched the execution mode */ 7943 ctx->base.is_jmp = DISAS_STOP; 7944 register_name = "IntCtl"; 7945 break; 7946 case CP0_REG12__SRSCTL: 7947 check_insn(ctx, ISA_MIPS_R2); 7948 gen_helper_mtc0_srsctl(tcg_env, arg); 7949 /* Stop translation as we may have switched the execution mode */ 7950 ctx->base.is_jmp = DISAS_STOP; 7951 register_name = "SRSCtl"; 7952 break; 7953 case CP0_REG12__SRSMAP: 7954 check_insn(ctx, ISA_MIPS_R2); 7955 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_SRSMap)); 7956 /* Stop translation as we may have switched the execution mode */ 7957 ctx->base.is_jmp = DISAS_STOP; 7958 register_name = "SRSMap"; 7959 break; 7960 default: 7961 goto cp0_unimplemented; 7962 } 7963 break; 7964 case CP0_REGISTER_13: 7965 switch (sel) { 7966 case CP0_REG13__CAUSE: 7967 save_cpu_state(ctx, 1); 7968 gen_helper_mtc0_cause(tcg_env, arg); 7969 /* 7970 * Stop translation as we may have triggered an interrupt. 7971 * DISAS_STOP isn't sufficient, we need to ensure we break out of 7972 * translated code to check for pending interrupts. 7973 */ 7974 gen_save_pc(ctx->base.pc_next + 4); 7975 ctx->base.is_jmp = DISAS_EXIT; 7976 register_name = "Cause"; 7977 break; 7978 default: 7979 goto cp0_unimplemented; 7980 } 7981 break; 7982 case CP0_REGISTER_14: 7983 switch (sel) { 7984 case CP0_REG14__EPC: 7985 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_EPC)); 7986 register_name = "EPC"; 7987 break; 7988 default: 7989 goto cp0_unimplemented; 7990 } 7991 break; 7992 case CP0_REGISTER_15: 7993 switch (sel) { 7994 case CP0_REG15__PRID: 7995 /* ignored */ 7996 register_name = "PRid"; 7997 break; 7998 case CP0_REG15__EBASE: 7999 check_insn(ctx, ISA_MIPS_R2); 8000 gen_helper_mtc0_ebase(tcg_env, arg); 8001 register_name = "EBase"; 8002 break; 8003 default: 8004 goto cp0_unimplemented; 8005 } 8006 break; 8007 case CP0_REGISTER_16: 8008 switch (sel) { 8009 case CP0_REG16__CONFIG: 8010 gen_helper_mtc0_config0(tcg_env, arg); 8011 register_name = "Config"; 8012 /* Stop translation as we may have switched the execution mode */ 8013 ctx->base.is_jmp = DISAS_STOP; 8014 break; 8015 case CP0_REG16__CONFIG1: 8016 /* ignored, read only */ 8017 register_name = "Config1"; 8018 break; 8019 case CP0_REG16__CONFIG2: 8020 gen_helper_mtc0_config2(tcg_env, arg); 8021 register_name = "Config2"; 8022 /* Stop translation as we may have switched the execution mode */ 8023 ctx->base.is_jmp = DISAS_STOP; 8024 break; 8025 case CP0_REG16__CONFIG3: 8026 gen_helper_mtc0_config3(tcg_env, arg); 8027 register_name = "Config3"; 8028 /* Stop translation as we may have switched the execution mode */ 8029 ctx->base.is_jmp = DISAS_STOP; 8030 break; 8031 case CP0_REG16__CONFIG4: 8032 /* currently ignored */ 8033 register_name = "Config4"; 8034 break; 8035 case CP0_REG16__CONFIG5: 8036 gen_helper_mtc0_config5(tcg_env, arg); 8037 register_name = "Config5"; 8038 /* Stop translation as we may have switched the execution mode */ 8039 ctx->base.is_jmp = DISAS_STOP; 8040 break; 8041 /* 6,7 are implementation dependent */ 8042 default: 8043 register_name = "Invalid config selector"; 8044 goto cp0_unimplemented; 8045 } 8046 break; 8047 case CP0_REGISTER_17: 8048 switch (sel) { 8049 case CP0_REG17__LLADDR: 8050 gen_helper_mtc0_lladdr(tcg_env, arg); 8051 register_name = "LLAddr"; 8052 break; 8053 case CP0_REG17__MAAR: 8054 CP0_CHECK(ctx->mrp); 8055 gen_helper_mtc0_maar(tcg_env, arg); 8056 register_name = "MAAR"; 8057 break; 8058 case CP0_REG17__MAARI: 8059 CP0_CHECK(ctx->mrp); 8060 gen_helper_mtc0_maari(tcg_env, arg); 8061 register_name = "MAARI"; 8062 break; 8063 default: 8064 goto cp0_unimplemented; 8065 } 8066 break; 8067 case CP0_REGISTER_18: 8068 switch (sel) { 8069 case CP0_REG18__WATCHLO0: 8070 case CP0_REG18__WATCHLO1: 8071 case CP0_REG18__WATCHLO2: 8072 case CP0_REG18__WATCHLO3: 8073 case CP0_REG18__WATCHLO4: 8074 case CP0_REG18__WATCHLO5: 8075 case CP0_REG18__WATCHLO6: 8076 case CP0_REG18__WATCHLO7: 8077 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 8078 gen_helper_0e1i(mtc0_watchlo, arg, sel); 8079 register_name = "WatchLo"; 8080 break; 8081 default: 8082 goto cp0_unimplemented; 8083 } 8084 break; 8085 case CP0_REGISTER_19: 8086 switch (sel) { 8087 case CP0_REG19__WATCHHI0: 8088 case CP0_REG19__WATCHHI1: 8089 case CP0_REG19__WATCHHI2: 8090 case CP0_REG19__WATCHHI3: 8091 case CP0_REG19__WATCHHI4: 8092 case CP0_REG19__WATCHHI5: 8093 case CP0_REG19__WATCHHI6: 8094 case CP0_REG19__WATCHHI7: 8095 CP0_CHECK(ctx->CP0_Config1 & (1 << CP0C1_WR)); 8096 gen_helper_0e1i(mtc0_watchhi, arg, sel); 8097 register_name = "WatchHi"; 8098 break; 8099 default: 8100 goto cp0_unimplemented; 8101 } 8102 break; 8103 case CP0_REGISTER_20: 8104 switch (sel) { 8105 case CP0_REG20__XCONTEXT: 8106 check_insn(ctx, ISA_MIPS3); 8107 gen_helper_mtc0_xcontext(tcg_env, arg); 8108 register_name = "XContext"; 8109 break; 8110 default: 8111 goto cp0_unimplemented; 8112 } 8113 break; 8114 case CP0_REGISTER_21: 8115 /* Officially reserved, but sel 0 is used for R1x000 framemask */ 8116 CP0_CHECK(!(ctx->insn_flags & ISA_MIPS_R6)); 8117 switch (sel) { 8118 case 0: 8119 gen_helper_mtc0_framemask(tcg_env, arg); 8120 register_name = "Framemask"; 8121 break; 8122 default: 8123 goto cp0_unimplemented; 8124 } 8125 break; 8126 case CP0_REGISTER_22: 8127 /* ignored */ 8128 register_name = "Diagnostic"; /* implementation dependent */ 8129 break; 8130 case CP0_REGISTER_23: 8131 switch (sel) { 8132 case CP0_REG23__DEBUG: 8133 gen_helper_mtc0_debug(tcg_env, arg); /* EJTAG support */ 8134 /* DISAS_STOP isn't good enough here, hflags may have changed. */ 8135 gen_save_pc(ctx->base.pc_next + 4); 8136 ctx->base.is_jmp = DISAS_EXIT; 8137 register_name = "Debug"; 8138 break; 8139 case CP0_REG23__TRACECONTROL: 8140 /* PDtrace support */ 8141 /* gen_helper_mtc0_tracecontrol(tcg_env, arg); */ 8142 /* Stop translation as we may have switched the execution mode */ 8143 ctx->base.is_jmp = DISAS_STOP; 8144 register_name = "TraceControl"; 8145 goto cp0_unimplemented; 8146 case CP0_REG23__TRACECONTROL2: 8147 /* PDtrace support */ 8148 /* gen_helper_mtc0_tracecontrol2(tcg_env, arg); */ 8149 /* Stop translation as we may have switched the execution mode */ 8150 ctx->base.is_jmp = DISAS_STOP; 8151 register_name = "TraceControl2"; 8152 goto cp0_unimplemented; 8153 case CP0_REG23__USERTRACEDATA1: 8154 /* PDtrace support */ 8155 /* gen_helper_mtc0_usertracedata1(tcg_env, arg);*/ 8156 /* Stop translation as we may have switched the execution mode */ 8157 ctx->base.is_jmp = DISAS_STOP; 8158 register_name = "UserTraceData1"; 8159 goto cp0_unimplemented; 8160 case CP0_REG23__TRACEIBPC: 8161 /* PDtrace support */ 8162 /* gen_helper_mtc0_traceibpc(tcg_env, arg); */ 8163 /* Stop translation as we may have switched the execution mode */ 8164 ctx->base.is_jmp = DISAS_STOP; 8165 register_name = "TraceIBPC"; 8166 goto cp0_unimplemented; 8167 case CP0_REG23__TRACEDBPC: 8168 /* PDtrace support */ 8169 /* gen_helper_mtc0_tracedbpc(tcg_env, arg); */ 8170 /* Stop translation as we may have switched the execution mode */ 8171 ctx->base.is_jmp = DISAS_STOP; 8172 register_name = "TraceDBPC"; 8173 goto cp0_unimplemented; 8174 default: 8175 goto cp0_unimplemented; 8176 } 8177 break; 8178 case CP0_REGISTER_24: 8179 switch (sel) { 8180 case CP0_REG24__DEPC: 8181 /* EJTAG support */ 8182 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_DEPC)); 8183 register_name = "DEPC"; 8184 break; 8185 default: 8186 goto cp0_unimplemented; 8187 } 8188 break; 8189 case CP0_REGISTER_25: 8190 switch (sel) { 8191 case CP0_REG25__PERFCTL0: 8192 gen_helper_mtc0_performance0(tcg_env, arg); 8193 register_name = "Performance0"; 8194 break; 8195 case CP0_REG25__PERFCNT0: 8196 /* gen_helper_mtc0_performance1(tcg_env, arg); */ 8197 register_name = "Performance1"; 8198 goto cp0_unimplemented; 8199 case CP0_REG25__PERFCTL1: 8200 /* gen_helper_mtc0_performance2(tcg_env, arg); */ 8201 register_name = "Performance2"; 8202 goto cp0_unimplemented; 8203 case CP0_REG25__PERFCNT1: 8204 /* gen_helper_mtc0_performance3(tcg_env, arg); */ 8205 register_name = "Performance3"; 8206 goto cp0_unimplemented; 8207 case CP0_REG25__PERFCTL2: 8208 /* gen_helper_mtc0_performance4(tcg_env, arg); */ 8209 register_name = "Performance4"; 8210 goto cp0_unimplemented; 8211 case CP0_REG25__PERFCNT2: 8212 /* gen_helper_mtc0_performance5(tcg_env, arg); */ 8213 register_name = "Performance5"; 8214 goto cp0_unimplemented; 8215 case CP0_REG25__PERFCTL3: 8216 /* gen_helper_mtc0_performance6(tcg_env, arg); */ 8217 register_name = "Performance6"; 8218 goto cp0_unimplemented; 8219 case CP0_REG25__PERFCNT3: 8220 /* gen_helper_mtc0_performance7(tcg_env, arg); */ 8221 register_name = "Performance7"; 8222 goto cp0_unimplemented; 8223 default: 8224 goto cp0_unimplemented; 8225 } 8226 break; 8227 case CP0_REGISTER_26: 8228 switch (sel) { 8229 case CP0_REG26__ERRCTL: 8230 gen_helper_mtc0_errctl(tcg_env, arg); 8231 ctx->base.is_jmp = DISAS_STOP; 8232 register_name = "ErrCtl"; 8233 break; 8234 default: 8235 goto cp0_unimplemented; 8236 } 8237 break; 8238 case CP0_REGISTER_27: 8239 switch (sel) { 8240 case CP0_REG27__CACHERR: 8241 /* ignored */ 8242 register_name = "CacheErr"; 8243 break; 8244 default: 8245 goto cp0_unimplemented; 8246 } 8247 break; 8248 case CP0_REGISTER_28: 8249 switch (sel) { 8250 case CP0_REG28__TAGLO: 8251 case CP0_REG28__TAGLO1: 8252 case CP0_REG28__TAGLO2: 8253 case CP0_REG28__TAGLO3: 8254 gen_helper_mtc0_taglo(tcg_env, arg); 8255 register_name = "TagLo"; 8256 break; 8257 case CP0_REG28__DATALO: 8258 case CP0_REG28__DATALO1: 8259 case CP0_REG28__DATALO2: 8260 case CP0_REG28__DATALO3: 8261 gen_helper_mtc0_datalo(tcg_env, arg); 8262 register_name = "DataLo"; 8263 break; 8264 default: 8265 goto cp0_unimplemented; 8266 } 8267 break; 8268 case CP0_REGISTER_29: 8269 switch (sel) { 8270 case CP0_REG29__TAGHI: 8271 case CP0_REG29__TAGHI1: 8272 case CP0_REG29__TAGHI2: 8273 case CP0_REG29__TAGHI3: 8274 gen_helper_mtc0_taghi(tcg_env, arg); 8275 register_name = "TagHi"; 8276 break; 8277 case CP0_REG29__DATAHI: 8278 case CP0_REG29__DATAHI1: 8279 case CP0_REG29__DATAHI2: 8280 case CP0_REG29__DATAHI3: 8281 gen_helper_mtc0_datahi(tcg_env, arg); 8282 register_name = "DataHi"; 8283 break; 8284 default: 8285 register_name = "invalid sel"; 8286 goto cp0_unimplemented; 8287 } 8288 break; 8289 case CP0_REGISTER_30: 8290 switch (sel) { 8291 case CP0_REG30__ERROREPC: 8292 tcg_gen_st_tl(arg, tcg_env, offsetof(CPUMIPSState, CP0_ErrorEPC)); 8293 register_name = "ErrorEPC"; 8294 break; 8295 default: 8296 goto cp0_unimplemented; 8297 } 8298 break; 8299 case CP0_REGISTER_31: 8300 switch (sel) { 8301 case CP0_REG31__DESAVE: 8302 /* EJTAG support */ 8303 gen_mtc0_store32(arg, offsetof(CPUMIPSState, CP0_DESAVE)); 8304 register_name = "DESAVE"; 8305 break; 8306 case CP0_REG31__KSCRATCH1: 8307 case CP0_REG31__KSCRATCH2: 8308 case CP0_REG31__KSCRATCH3: 8309 case CP0_REG31__KSCRATCH4: 8310 case CP0_REG31__KSCRATCH5: 8311 case CP0_REG31__KSCRATCH6: 8312 CP0_CHECK(ctx->kscrexist & (1 << sel)); 8313 tcg_gen_st_tl(arg, tcg_env, 8314 offsetof(CPUMIPSState, CP0_KScratch[sel - 2])); 8315 register_name = "KScratch"; 8316 break; 8317 default: 8318 goto cp0_unimplemented; 8319 } 8320 break; 8321 default: 8322 goto cp0_unimplemented; 8323 } 8324 trace_mips_translate_c0("dmtc0", register_name, reg, sel); 8325 8326 /* For simplicity assume that all writes can cause interrupts. */ 8327 if (icount) { 8328 /* 8329 * DISAS_STOP isn't sufficient, we need to ensure we break out of 8330 * translated code to check for pending interrupts. 8331 */ 8332 gen_save_pc(ctx->base.pc_next + 4); 8333 ctx->base.is_jmp = DISAS_EXIT; 8334 } 8335 return; 8336 8337 cp0_unimplemented: 8338 qemu_log_mask(LOG_UNIMP, "dmtc0 %s (reg %d sel %d)\n", 8339 register_name, reg, sel); 8340 } 8341 #endif /* TARGET_MIPS64 */ 8342 8343 static void gen_mftr(CPUMIPSState *env, DisasContext *ctx, int rt, int rd, 8344 int u, int sel, int h) 8345 { 8346 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); 8347 TCGv t0 = tcg_temp_new(); 8348 8349 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && 8350 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) != 8351 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) { 8352 tcg_gen_movi_tl(t0, -1); 8353 } else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > 8354 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) { 8355 tcg_gen_movi_tl(t0, -1); 8356 } else if (u == 0) { 8357 switch (rt) { 8358 case 1: 8359 switch (sel) { 8360 case 1: 8361 gen_helper_mftc0_vpecontrol(t0, tcg_env); 8362 break; 8363 case 2: 8364 gen_helper_mftc0_vpeconf0(t0, tcg_env); 8365 break; 8366 default: 8367 goto die; 8368 break; 8369 } 8370 break; 8371 case 2: 8372 switch (sel) { 8373 case 1: 8374 gen_helper_mftc0_tcstatus(t0, tcg_env); 8375 break; 8376 case 2: 8377 gen_helper_mftc0_tcbind(t0, tcg_env); 8378 break; 8379 case 3: 8380 gen_helper_mftc0_tcrestart(t0, tcg_env); 8381 break; 8382 case 4: 8383 gen_helper_mftc0_tchalt(t0, tcg_env); 8384 break; 8385 case 5: 8386 gen_helper_mftc0_tccontext(t0, tcg_env); 8387 break; 8388 case 6: 8389 gen_helper_mftc0_tcschedule(t0, tcg_env); 8390 break; 8391 case 7: 8392 gen_helper_mftc0_tcschefback(t0, tcg_env); 8393 break; 8394 default: 8395 gen_mfc0(ctx, t0, rt, sel); 8396 break; 8397 } 8398 break; 8399 case 10: 8400 switch (sel) { 8401 case 0: 8402 gen_helper_mftc0_entryhi(t0, tcg_env); 8403 break; 8404 default: 8405 gen_mfc0(ctx, t0, rt, sel); 8406 break; 8407 } 8408 break; 8409 case 12: 8410 switch (sel) { 8411 case 0: 8412 gen_helper_mftc0_status(t0, tcg_env); 8413 break; 8414 default: 8415 gen_mfc0(ctx, t0, rt, sel); 8416 break; 8417 } 8418 break; 8419 case 13: 8420 switch (sel) { 8421 case 0: 8422 gen_helper_mftc0_cause(t0, tcg_env); 8423 break; 8424 default: 8425 goto die; 8426 break; 8427 } 8428 break; 8429 case 14: 8430 switch (sel) { 8431 case 0: 8432 gen_helper_mftc0_epc(t0, tcg_env); 8433 break; 8434 default: 8435 goto die; 8436 break; 8437 } 8438 break; 8439 case 15: 8440 switch (sel) { 8441 case 1: 8442 gen_helper_mftc0_ebase(t0, tcg_env); 8443 break; 8444 default: 8445 goto die; 8446 break; 8447 } 8448 break; 8449 case 16: 8450 switch (sel) { 8451 case 0: 8452 case 1: 8453 case 2: 8454 case 3: 8455 case 4: 8456 case 5: 8457 case 6: 8458 case 7: 8459 gen_helper_mftc0_configx(t0, tcg_env, tcg_constant_tl(sel)); 8460 break; 8461 default: 8462 goto die; 8463 break; 8464 } 8465 break; 8466 case 23: 8467 switch (sel) { 8468 case 0: 8469 gen_helper_mftc0_debug(t0, tcg_env); 8470 break; 8471 default: 8472 gen_mfc0(ctx, t0, rt, sel); 8473 break; 8474 } 8475 break; 8476 default: 8477 gen_mfc0(ctx, t0, rt, sel); 8478 } 8479 } else { 8480 switch (sel) { 8481 /* GPR registers. */ 8482 case 0: 8483 gen_helper_1e0i(mftgpr, t0, rt); 8484 break; 8485 /* Auxiliary CPU registers */ 8486 case 1: 8487 switch (rt) { 8488 case 0: 8489 gen_helper_1e0i(mftlo, t0, 0); 8490 break; 8491 case 1: 8492 gen_helper_1e0i(mfthi, t0, 0); 8493 break; 8494 case 2: 8495 gen_helper_1e0i(mftacx, t0, 0); 8496 break; 8497 case 4: 8498 gen_helper_1e0i(mftlo, t0, 1); 8499 break; 8500 case 5: 8501 gen_helper_1e0i(mfthi, t0, 1); 8502 break; 8503 case 6: 8504 gen_helper_1e0i(mftacx, t0, 1); 8505 break; 8506 case 8: 8507 gen_helper_1e0i(mftlo, t0, 2); 8508 break; 8509 case 9: 8510 gen_helper_1e0i(mfthi, t0, 2); 8511 break; 8512 case 10: 8513 gen_helper_1e0i(mftacx, t0, 2); 8514 break; 8515 case 12: 8516 gen_helper_1e0i(mftlo, t0, 3); 8517 break; 8518 case 13: 8519 gen_helper_1e0i(mfthi, t0, 3); 8520 break; 8521 case 14: 8522 gen_helper_1e0i(mftacx, t0, 3); 8523 break; 8524 case 16: 8525 gen_helper_mftdsp(t0, tcg_env); 8526 break; 8527 default: 8528 goto die; 8529 } 8530 break; 8531 /* Floating point (COP1). */ 8532 case 2: 8533 /* XXX: For now we support only a single FPU context. */ 8534 if (h == 0) { 8535 TCGv_i32 fp0 = tcg_temp_new_i32(); 8536 8537 gen_load_fpr32(ctx, fp0, rt); 8538 tcg_gen_ext_i32_tl(t0, fp0); 8539 } else { 8540 TCGv_i32 fp0 = tcg_temp_new_i32(); 8541 8542 gen_load_fpr32h(ctx, fp0, rt); 8543 tcg_gen_ext_i32_tl(t0, fp0); 8544 } 8545 break; 8546 case 3: 8547 /* XXX: For now we support only a single FPU context. */ 8548 gen_helper_1e0i(cfc1, t0, rt); 8549 break; 8550 /* COP2: Not implemented. */ 8551 case 4: 8552 case 5: 8553 /* fall through */ 8554 default: 8555 goto die; 8556 } 8557 } 8558 trace_mips_translate_tr("mftr", rt, u, sel, h); 8559 gen_store_gpr(t0, rd); 8560 return; 8561 8562 die: 8563 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h); 8564 gen_reserved_instruction(ctx); 8565 } 8566 8567 static void gen_mttr(CPUMIPSState *env, DisasContext *ctx, int rd, int rt, 8568 int u, int sel, int h) 8569 { 8570 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC); 8571 TCGv t0 = tcg_temp_new(); 8572 8573 gen_load_gpr(t0, rt); 8574 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 && 8575 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) != 8576 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE)))) { 8577 /* NOP */ 8578 ; 8579 } else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) > 8580 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC))) { 8581 /* NOP */ 8582 ; 8583 } else if (u == 0) { 8584 switch (rd) { 8585 case 1: 8586 switch (sel) { 8587 case 1: 8588 gen_helper_mttc0_vpecontrol(tcg_env, t0); 8589 break; 8590 case 2: 8591 gen_helper_mttc0_vpeconf0(tcg_env, t0); 8592 break; 8593 default: 8594 goto die; 8595 break; 8596 } 8597 break; 8598 case 2: 8599 switch (sel) { 8600 case 1: 8601 gen_helper_mttc0_tcstatus(tcg_env, t0); 8602 break; 8603 case 2: 8604 gen_helper_mttc0_tcbind(tcg_env, t0); 8605 break; 8606 case 3: 8607 gen_helper_mttc0_tcrestart(tcg_env, t0); 8608 break; 8609 case 4: 8610 gen_helper_mttc0_tchalt(tcg_env, t0); 8611 break; 8612 case 5: 8613 gen_helper_mttc0_tccontext(tcg_env, t0); 8614 break; 8615 case 6: 8616 gen_helper_mttc0_tcschedule(tcg_env, t0); 8617 break; 8618 case 7: 8619 gen_helper_mttc0_tcschefback(tcg_env, t0); 8620 break; 8621 default: 8622 gen_mtc0(ctx, t0, rd, sel); 8623 break; 8624 } 8625 break; 8626 case 10: 8627 switch (sel) { 8628 case 0: 8629 gen_helper_mttc0_entryhi(tcg_env, t0); 8630 break; 8631 default: 8632 gen_mtc0(ctx, t0, rd, sel); 8633 break; 8634 } 8635 break; 8636 case 12: 8637 switch (sel) { 8638 case 0: 8639 gen_helper_mttc0_status(tcg_env, t0); 8640 break; 8641 default: 8642 gen_mtc0(ctx, t0, rd, sel); 8643 break; 8644 } 8645 break; 8646 case 13: 8647 switch (sel) { 8648 case 0: 8649 gen_helper_mttc0_cause(tcg_env, t0); 8650 break; 8651 default: 8652 goto die; 8653 break; 8654 } 8655 break; 8656 case 15: 8657 switch (sel) { 8658 case 1: 8659 gen_helper_mttc0_ebase(tcg_env, t0); 8660 break; 8661 default: 8662 goto die; 8663 break; 8664 } 8665 break; 8666 case 23: 8667 switch (sel) { 8668 case 0: 8669 gen_helper_mttc0_debug(tcg_env, t0); 8670 break; 8671 default: 8672 gen_mtc0(ctx, t0, rd, sel); 8673 break; 8674 } 8675 break; 8676 default: 8677 gen_mtc0(ctx, t0, rd, sel); 8678 } 8679 } else { 8680 switch (sel) { 8681 /* GPR registers. */ 8682 case 0: 8683 gen_helper_0e1i(mttgpr, t0, rd); 8684 break; 8685 /* Auxiliary CPU registers */ 8686 case 1: 8687 switch (rd) { 8688 case 0: 8689 gen_helper_0e1i(mttlo, t0, 0); 8690 break; 8691 case 1: 8692 gen_helper_0e1i(mtthi, t0, 0); 8693 break; 8694 case 2: 8695 gen_helper_0e1i(mttacx, t0, 0); 8696 break; 8697 case 4: 8698 gen_helper_0e1i(mttlo, t0, 1); 8699 break; 8700 case 5: 8701 gen_helper_0e1i(mtthi, t0, 1); 8702 break; 8703 case 6: 8704 gen_helper_0e1i(mttacx, t0, 1); 8705 break; 8706 case 8: 8707 gen_helper_0e1i(mttlo, t0, 2); 8708 break; 8709 case 9: 8710 gen_helper_0e1i(mtthi, t0, 2); 8711 break; 8712 case 10: 8713 gen_helper_0e1i(mttacx, t0, 2); 8714 break; 8715 case 12: 8716 gen_helper_0e1i(mttlo, t0, 3); 8717 break; 8718 case 13: 8719 gen_helper_0e1i(mtthi, t0, 3); 8720 break; 8721 case 14: 8722 gen_helper_0e1i(mttacx, t0, 3); 8723 break; 8724 case 16: 8725 gen_helper_mttdsp(tcg_env, t0); 8726 break; 8727 default: 8728 goto die; 8729 } 8730 break; 8731 /* Floating point (COP1). */ 8732 case 2: 8733 /* XXX: For now we support only a single FPU context. */ 8734 if (h == 0) { 8735 TCGv_i32 fp0 = tcg_temp_new_i32(); 8736 8737 tcg_gen_trunc_tl_i32(fp0, t0); 8738 gen_store_fpr32(ctx, fp0, rd); 8739 } else { 8740 TCGv_i32 fp0 = tcg_temp_new_i32(); 8741 8742 tcg_gen_trunc_tl_i32(fp0, t0); 8743 gen_store_fpr32h(ctx, fp0, rd); 8744 } 8745 break; 8746 case 3: 8747 /* XXX: For now we support only a single FPU context. */ 8748 gen_helper_0e2i(ctc1, t0, tcg_constant_i32(rd), rt); 8749 /* Stop translation as we may have changed hflags */ 8750 ctx->base.is_jmp = DISAS_STOP; 8751 break; 8752 /* COP2: Not implemented. */ 8753 case 4: 8754 case 5: 8755 /* fall through */ 8756 default: 8757 goto die; 8758 } 8759 } 8760 trace_mips_translate_tr("mttr", rd, u, sel, h); 8761 return; 8762 8763 die: 8764 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h); 8765 gen_reserved_instruction(ctx); 8766 } 8767 8768 static void gen_cp0(CPUMIPSState *env, DisasContext *ctx, uint32_t opc, 8769 int rt, int rd) 8770 { 8771 const char *opn = "ldst"; 8772 8773 check_cp0_enabled(ctx); 8774 switch (opc) { 8775 case OPC_MFC0: 8776 if (rt == 0) { 8777 /* Treat as NOP. */ 8778 return; 8779 } 8780 gen_mfc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7); 8781 opn = "mfc0"; 8782 break; 8783 case OPC_MTC0: 8784 { 8785 TCGv t0 = tcg_temp_new(); 8786 8787 gen_load_gpr(t0, rt); 8788 gen_mtc0(ctx, t0, rd, ctx->opcode & 0x7); 8789 } 8790 opn = "mtc0"; 8791 break; 8792 #if defined(TARGET_MIPS64) 8793 case OPC_DMFC0: 8794 check_insn(ctx, ISA_MIPS3); 8795 if (rt == 0) { 8796 /* Treat as NOP. */ 8797 return; 8798 } 8799 gen_dmfc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7); 8800 opn = "dmfc0"; 8801 break; 8802 case OPC_DMTC0: 8803 check_insn(ctx, ISA_MIPS3); 8804 { 8805 TCGv t0 = tcg_temp_new(); 8806 8807 gen_load_gpr(t0, rt); 8808 gen_dmtc0(ctx, t0, rd, ctx->opcode & 0x7); 8809 } 8810 opn = "dmtc0"; 8811 break; 8812 #endif 8813 case OPC_MFHC0: 8814 check_mvh(ctx); 8815 if (rt == 0) { 8816 /* Treat as NOP. */ 8817 return; 8818 } 8819 gen_mfhc0(ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7); 8820 opn = "mfhc0"; 8821 break; 8822 case OPC_MTHC0: 8823 check_mvh(ctx); 8824 { 8825 TCGv t0 = tcg_temp_new(); 8826 gen_load_gpr(t0, rt); 8827 gen_mthc0(ctx, t0, rd, ctx->opcode & 0x7); 8828 } 8829 opn = "mthc0"; 8830 break; 8831 case OPC_MFTR: 8832 check_cp0_enabled(ctx); 8833 if (rd == 0) { 8834 /* Treat as NOP. */ 8835 return; 8836 } 8837 gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1, 8838 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); 8839 opn = "mftr"; 8840 break; 8841 case OPC_MTTR: 8842 check_cp0_enabled(ctx); 8843 gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1, 8844 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1); 8845 opn = "mttr"; 8846 break; 8847 case OPC_TLBWI: 8848 opn = "tlbwi"; 8849 if (!env->tlb->helper_tlbwi) { 8850 goto die; 8851 } 8852 gen_helper_tlbwi(tcg_env); 8853 break; 8854 case OPC_TLBINV: 8855 opn = "tlbinv"; 8856 if (ctx->ie >= 2) { 8857 if (!env->tlb->helper_tlbinv) { 8858 goto die; 8859 } 8860 gen_helper_tlbinv(tcg_env); 8861 } /* treat as nop if TLBINV not supported */ 8862 break; 8863 case OPC_TLBINVF: 8864 opn = "tlbinvf"; 8865 if (ctx->ie >= 2) { 8866 if (!env->tlb->helper_tlbinvf) { 8867 goto die; 8868 } 8869 gen_helper_tlbinvf(tcg_env); 8870 } /* treat as nop if TLBINV not supported */ 8871 break; 8872 case OPC_TLBWR: 8873 opn = "tlbwr"; 8874 if (!env->tlb->helper_tlbwr) { 8875 goto die; 8876 } 8877 gen_helper_tlbwr(tcg_env); 8878 break; 8879 case OPC_TLBP: 8880 opn = "tlbp"; 8881 if (!env->tlb->helper_tlbp) { 8882 goto die; 8883 } 8884 gen_helper_tlbp(tcg_env); 8885 break; 8886 case OPC_TLBR: 8887 opn = "tlbr"; 8888 if (!env->tlb->helper_tlbr) { 8889 goto die; 8890 } 8891 gen_helper_tlbr(tcg_env); 8892 break; 8893 case OPC_ERET: /* OPC_ERETNC */ 8894 if ((ctx->insn_flags & ISA_MIPS_R6) && 8895 (ctx->hflags & MIPS_HFLAG_BMASK)) { 8896 goto die; 8897 } else { 8898 int bit_shift = (ctx->hflags & MIPS_HFLAG_M16) ? 16 : 6; 8899 if (ctx->opcode & (1 << bit_shift)) { 8900 /* OPC_ERETNC */ 8901 opn = "eretnc"; 8902 check_insn(ctx, ISA_MIPS_R5); 8903 gen_helper_eretnc(tcg_env); 8904 } else { 8905 /* OPC_ERET */ 8906 opn = "eret"; 8907 check_insn(ctx, ISA_MIPS2); 8908 gen_helper_eret(tcg_env); 8909 } 8910 ctx->base.is_jmp = DISAS_EXIT; 8911 } 8912 break; 8913 case OPC_DERET: 8914 opn = "deret"; 8915 check_insn(ctx, ISA_MIPS_R1); 8916 if ((ctx->insn_flags & ISA_MIPS_R6) && 8917 (ctx->hflags & MIPS_HFLAG_BMASK)) { 8918 goto die; 8919 } 8920 if (!(ctx->hflags & MIPS_HFLAG_DM)) { 8921 MIPS_INVAL(opn); 8922 gen_reserved_instruction(ctx); 8923 } else { 8924 gen_helper_deret(tcg_env); 8925 ctx->base.is_jmp = DISAS_EXIT; 8926 } 8927 break; 8928 case OPC_WAIT: 8929 opn = "wait"; 8930 check_insn(ctx, ISA_MIPS3 | ISA_MIPS_R1); 8931 if ((ctx->insn_flags & ISA_MIPS_R6) && 8932 (ctx->hflags & MIPS_HFLAG_BMASK)) { 8933 goto die; 8934 } 8935 /* If we get an exception, we want to restart at next instruction */ 8936 ctx->base.pc_next += 4; 8937 save_cpu_state(ctx, 1); 8938 ctx->base.pc_next -= 4; 8939 gen_helper_wait(tcg_env); 8940 ctx->base.is_jmp = DISAS_NORETURN; 8941 break; 8942 default: 8943 die: 8944 MIPS_INVAL(opn); 8945 gen_reserved_instruction(ctx); 8946 return; 8947 } 8948 (void)opn; /* avoid a compiler warning */ 8949 } 8950 #endif /* !CONFIG_USER_ONLY */ 8951 8952 /* CP1 Branches (before delay slot) */ 8953 static void gen_compute_branch1(DisasContext *ctx, uint32_t op, 8954 int32_t cc, int32_t offset) 8955 { 8956 target_ulong btarget; 8957 TCGv_i32 t0 = tcg_temp_new_i32(); 8958 8959 if ((ctx->insn_flags & ISA_MIPS_R6) && (ctx->hflags & MIPS_HFLAG_BMASK)) { 8960 gen_reserved_instruction(ctx); 8961 return; 8962 } 8963 8964 if (cc != 0) { 8965 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1); 8966 } 8967 8968 btarget = ctx->base.pc_next + 4 + offset; 8969 8970 switch (op) { 8971 case OPC_BC1F: 8972 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 8973 tcg_gen_not_i32(t0, t0); 8974 tcg_gen_andi_i32(t0, t0, 1); 8975 tcg_gen_extu_i32_tl(bcond, t0); 8976 goto not_likely; 8977 case OPC_BC1FL: 8978 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 8979 tcg_gen_not_i32(t0, t0); 8980 tcg_gen_andi_i32(t0, t0, 1); 8981 tcg_gen_extu_i32_tl(bcond, t0); 8982 goto likely; 8983 case OPC_BC1T: 8984 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 8985 tcg_gen_andi_i32(t0, t0, 1); 8986 tcg_gen_extu_i32_tl(bcond, t0); 8987 goto not_likely; 8988 case OPC_BC1TL: 8989 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 8990 tcg_gen_andi_i32(t0, t0, 1); 8991 tcg_gen_extu_i32_tl(bcond, t0); 8992 likely: 8993 ctx->hflags |= MIPS_HFLAG_BL; 8994 break; 8995 case OPC_BC1FANY2: 8996 { 8997 TCGv_i32 t1 = tcg_temp_new_i32(); 8998 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 8999 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1)); 9000 tcg_gen_nand_i32(t0, t0, t1); 9001 tcg_gen_andi_i32(t0, t0, 1); 9002 tcg_gen_extu_i32_tl(bcond, t0); 9003 } 9004 goto not_likely; 9005 case OPC_BC1TANY2: 9006 { 9007 TCGv_i32 t1 = tcg_temp_new_i32(); 9008 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 9009 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1)); 9010 tcg_gen_or_i32(t0, t0, t1); 9011 tcg_gen_andi_i32(t0, t0, 1); 9012 tcg_gen_extu_i32_tl(bcond, t0); 9013 } 9014 goto not_likely; 9015 case OPC_BC1FANY4: 9016 { 9017 TCGv_i32 t1 = tcg_temp_new_i32(); 9018 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 9019 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1)); 9020 tcg_gen_and_i32(t0, t0, t1); 9021 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 2)); 9022 tcg_gen_and_i32(t0, t0, t1); 9023 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 3)); 9024 tcg_gen_nand_i32(t0, t0, t1); 9025 tcg_gen_andi_i32(t0, t0, 1); 9026 tcg_gen_extu_i32_tl(bcond, t0); 9027 } 9028 goto not_likely; 9029 case OPC_BC1TANY4: 9030 { 9031 TCGv_i32 t1 = tcg_temp_new_i32(); 9032 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc)); 9033 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 1)); 9034 tcg_gen_or_i32(t0, t0, t1); 9035 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 2)); 9036 tcg_gen_or_i32(t0, t0, t1); 9037 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc + 3)); 9038 tcg_gen_or_i32(t0, t0, t1); 9039 tcg_gen_andi_i32(t0, t0, 1); 9040 tcg_gen_extu_i32_tl(bcond, t0); 9041 } 9042 not_likely: 9043 ctx->hflags |= MIPS_HFLAG_BC; 9044 break; 9045 default: 9046 MIPS_INVAL("cp1 cond branch"); 9047 gen_reserved_instruction(ctx); 9048 return; 9049 } 9050 ctx->btarget = btarget; 9051 ctx->hflags |= MIPS_HFLAG_BDS32; 9052 } 9053 9054 /* R6 CP1 Branches */ 9055 static void gen_compute_branch1_r6(DisasContext *ctx, uint32_t op, 9056 int32_t ft, int32_t offset, 9057 int delayslot_size) 9058 { 9059 target_ulong btarget; 9060 TCGv_i64 t0 = tcg_temp_new_i64(); 9061 9062 if (ctx->hflags & MIPS_HFLAG_BMASK) { 9063 #ifdef MIPS_DEBUG_DISAS 9064 LOG_DISAS("Branch in delay / forbidden slot at PC 0x" TARGET_FMT_lx 9065 "\n", ctx->base.pc_next); 9066 #endif 9067 gen_reserved_instruction(ctx); 9068 return; 9069 } 9070 9071 gen_load_fpr64(ctx, t0, ft); 9072 tcg_gen_andi_i64(t0, t0, 1); 9073 9074 btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 9075 9076 switch (op) { 9077 case OPC_BC1EQZ: 9078 tcg_gen_xori_i64(t0, t0, 1); 9079 ctx->hflags |= MIPS_HFLAG_BC; 9080 break; 9081 case OPC_BC1NEZ: 9082 /* t0 already set */ 9083 ctx->hflags |= MIPS_HFLAG_BC; 9084 break; 9085 default: 9086 MIPS_INVAL("cp1 cond branch"); 9087 gen_reserved_instruction(ctx); 9088 return; 9089 } 9090 9091 tcg_gen_trunc_i64_tl(bcond, t0); 9092 9093 ctx->btarget = btarget; 9094 9095 switch (delayslot_size) { 9096 case 2: 9097 ctx->hflags |= MIPS_HFLAG_BDS16; 9098 break; 9099 case 4: 9100 ctx->hflags |= MIPS_HFLAG_BDS32; 9101 break; 9102 } 9103 } 9104 9105 /* Coprocessor 1 (FPU) */ 9106 9107 #define FOP(func, fmt) (((fmt) << 21) | (func)) 9108 9109 enum fopcode { 9110 OPC_ADD_S = FOP(0, FMT_S), 9111 OPC_SUB_S = FOP(1, FMT_S), 9112 OPC_MUL_S = FOP(2, FMT_S), 9113 OPC_DIV_S = FOP(3, FMT_S), 9114 OPC_SQRT_S = FOP(4, FMT_S), 9115 OPC_ABS_S = FOP(5, FMT_S), 9116 OPC_MOV_S = FOP(6, FMT_S), 9117 OPC_NEG_S = FOP(7, FMT_S), 9118 OPC_ROUND_L_S = FOP(8, FMT_S), 9119 OPC_TRUNC_L_S = FOP(9, FMT_S), 9120 OPC_CEIL_L_S = FOP(10, FMT_S), 9121 OPC_FLOOR_L_S = FOP(11, FMT_S), 9122 OPC_ROUND_W_S = FOP(12, FMT_S), 9123 OPC_TRUNC_W_S = FOP(13, FMT_S), 9124 OPC_CEIL_W_S = FOP(14, FMT_S), 9125 OPC_FLOOR_W_S = FOP(15, FMT_S), 9126 OPC_SEL_S = FOP(16, FMT_S), 9127 OPC_MOVCF_S = FOP(17, FMT_S), 9128 OPC_MOVZ_S = FOP(18, FMT_S), 9129 OPC_MOVN_S = FOP(19, FMT_S), 9130 OPC_SELEQZ_S = FOP(20, FMT_S), 9131 OPC_RECIP_S = FOP(21, FMT_S), 9132 OPC_RSQRT_S = FOP(22, FMT_S), 9133 OPC_SELNEZ_S = FOP(23, FMT_S), 9134 OPC_MADDF_S = FOP(24, FMT_S), 9135 OPC_MSUBF_S = FOP(25, FMT_S), 9136 OPC_RINT_S = FOP(26, FMT_S), 9137 OPC_CLASS_S = FOP(27, FMT_S), 9138 OPC_MIN_S = FOP(28, FMT_S), 9139 OPC_RECIP2_S = FOP(28, FMT_S), 9140 OPC_MINA_S = FOP(29, FMT_S), 9141 OPC_RECIP1_S = FOP(29, FMT_S), 9142 OPC_MAX_S = FOP(30, FMT_S), 9143 OPC_RSQRT1_S = FOP(30, FMT_S), 9144 OPC_MAXA_S = FOP(31, FMT_S), 9145 OPC_RSQRT2_S = FOP(31, FMT_S), 9146 OPC_CVT_D_S = FOP(33, FMT_S), 9147 OPC_CVT_W_S = FOP(36, FMT_S), 9148 OPC_CVT_L_S = FOP(37, FMT_S), 9149 OPC_CVT_PS_S = FOP(38, FMT_S), 9150 OPC_CMP_F_S = FOP(48, FMT_S), 9151 OPC_CMP_UN_S = FOP(49, FMT_S), 9152 OPC_CMP_EQ_S = FOP(50, FMT_S), 9153 OPC_CMP_UEQ_S = FOP(51, FMT_S), 9154 OPC_CMP_OLT_S = FOP(52, FMT_S), 9155 OPC_CMP_ULT_S = FOP(53, FMT_S), 9156 OPC_CMP_OLE_S = FOP(54, FMT_S), 9157 OPC_CMP_ULE_S = FOP(55, FMT_S), 9158 OPC_CMP_SF_S = FOP(56, FMT_S), 9159 OPC_CMP_NGLE_S = FOP(57, FMT_S), 9160 OPC_CMP_SEQ_S = FOP(58, FMT_S), 9161 OPC_CMP_NGL_S = FOP(59, FMT_S), 9162 OPC_CMP_LT_S = FOP(60, FMT_S), 9163 OPC_CMP_NGE_S = FOP(61, FMT_S), 9164 OPC_CMP_LE_S = FOP(62, FMT_S), 9165 OPC_CMP_NGT_S = FOP(63, FMT_S), 9166 9167 OPC_ADD_D = FOP(0, FMT_D), 9168 OPC_SUB_D = FOP(1, FMT_D), 9169 OPC_MUL_D = FOP(2, FMT_D), 9170 OPC_DIV_D = FOP(3, FMT_D), 9171 OPC_SQRT_D = FOP(4, FMT_D), 9172 OPC_ABS_D = FOP(5, FMT_D), 9173 OPC_MOV_D = FOP(6, FMT_D), 9174 OPC_NEG_D = FOP(7, FMT_D), 9175 OPC_ROUND_L_D = FOP(8, FMT_D), 9176 OPC_TRUNC_L_D = FOP(9, FMT_D), 9177 OPC_CEIL_L_D = FOP(10, FMT_D), 9178 OPC_FLOOR_L_D = FOP(11, FMT_D), 9179 OPC_ROUND_W_D = FOP(12, FMT_D), 9180 OPC_TRUNC_W_D = FOP(13, FMT_D), 9181 OPC_CEIL_W_D = FOP(14, FMT_D), 9182 OPC_FLOOR_W_D = FOP(15, FMT_D), 9183 OPC_SEL_D = FOP(16, FMT_D), 9184 OPC_MOVCF_D = FOP(17, FMT_D), 9185 OPC_MOVZ_D = FOP(18, FMT_D), 9186 OPC_MOVN_D = FOP(19, FMT_D), 9187 OPC_SELEQZ_D = FOP(20, FMT_D), 9188 OPC_RECIP_D = FOP(21, FMT_D), 9189 OPC_RSQRT_D = FOP(22, FMT_D), 9190 OPC_SELNEZ_D = FOP(23, FMT_D), 9191 OPC_MADDF_D = FOP(24, FMT_D), 9192 OPC_MSUBF_D = FOP(25, FMT_D), 9193 OPC_RINT_D = FOP(26, FMT_D), 9194 OPC_CLASS_D = FOP(27, FMT_D), 9195 OPC_MIN_D = FOP(28, FMT_D), 9196 OPC_RECIP2_D = FOP(28, FMT_D), 9197 OPC_MINA_D = FOP(29, FMT_D), 9198 OPC_RECIP1_D = FOP(29, FMT_D), 9199 OPC_MAX_D = FOP(30, FMT_D), 9200 OPC_RSQRT1_D = FOP(30, FMT_D), 9201 OPC_MAXA_D = FOP(31, FMT_D), 9202 OPC_RSQRT2_D = FOP(31, FMT_D), 9203 OPC_CVT_S_D = FOP(32, FMT_D), 9204 OPC_CVT_W_D = FOP(36, FMT_D), 9205 OPC_CVT_L_D = FOP(37, FMT_D), 9206 OPC_CMP_F_D = FOP(48, FMT_D), 9207 OPC_CMP_UN_D = FOP(49, FMT_D), 9208 OPC_CMP_EQ_D = FOP(50, FMT_D), 9209 OPC_CMP_UEQ_D = FOP(51, FMT_D), 9210 OPC_CMP_OLT_D = FOP(52, FMT_D), 9211 OPC_CMP_ULT_D = FOP(53, FMT_D), 9212 OPC_CMP_OLE_D = FOP(54, FMT_D), 9213 OPC_CMP_ULE_D = FOP(55, FMT_D), 9214 OPC_CMP_SF_D = FOP(56, FMT_D), 9215 OPC_CMP_NGLE_D = FOP(57, FMT_D), 9216 OPC_CMP_SEQ_D = FOP(58, FMT_D), 9217 OPC_CMP_NGL_D = FOP(59, FMT_D), 9218 OPC_CMP_LT_D = FOP(60, FMT_D), 9219 OPC_CMP_NGE_D = FOP(61, FMT_D), 9220 OPC_CMP_LE_D = FOP(62, FMT_D), 9221 OPC_CMP_NGT_D = FOP(63, FMT_D), 9222 9223 OPC_CVT_S_W = FOP(32, FMT_W), 9224 OPC_CVT_D_W = FOP(33, FMT_W), 9225 OPC_CVT_S_L = FOP(32, FMT_L), 9226 OPC_CVT_D_L = FOP(33, FMT_L), 9227 OPC_CVT_PS_PW = FOP(38, FMT_W), 9228 9229 OPC_ADD_PS = FOP(0, FMT_PS), 9230 OPC_SUB_PS = FOP(1, FMT_PS), 9231 OPC_MUL_PS = FOP(2, FMT_PS), 9232 OPC_DIV_PS = FOP(3, FMT_PS), 9233 OPC_ABS_PS = FOP(5, FMT_PS), 9234 OPC_MOV_PS = FOP(6, FMT_PS), 9235 OPC_NEG_PS = FOP(7, FMT_PS), 9236 OPC_MOVCF_PS = FOP(17, FMT_PS), 9237 OPC_MOVZ_PS = FOP(18, FMT_PS), 9238 OPC_MOVN_PS = FOP(19, FMT_PS), 9239 OPC_ADDR_PS = FOP(24, FMT_PS), 9240 OPC_MULR_PS = FOP(26, FMT_PS), 9241 OPC_RECIP2_PS = FOP(28, FMT_PS), 9242 OPC_RECIP1_PS = FOP(29, FMT_PS), 9243 OPC_RSQRT1_PS = FOP(30, FMT_PS), 9244 OPC_RSQRT2_PS = FOP(31, FMT_PS), 9245 9246 OPC_CVT_S_PU = FOP(32, FMT_PS), 9247 OPC_CVT_PW_PS = FOP(36, FMT_PS), 9248 OPC_CVT_S_PL = FOP(40, FMT_PS), 9249 OPC_PLL_PS = FOP(44, FMT_PS), 9250 OPC_PLU_PS = FOP(45, FMT_PS), 9251 OPC_PUL_PS = FOP(46, FMT_PS), 9252 OPC_PUU_PS = FOP(47, FMT_PS), 9253 OPC_CMP_F_PS = FOP(48, FMT_PS), 9254 OPC_CMP_UN_PS = FOP(49, FMT_PS), 9255 OPC_CMP_EQ_PS = FOP(50, FMT_PS), 9256 OPC_CMP_UEQ_PS = FOP(51, FMT_PS), 9257 OPC_CMP_OLT_PS = FOP(52, FMT_PS), 9258 OPC_CMP_ULT_PS = FOP(53, FMT_PS), 9259 OPC_CMP_OLE_PS = FOP(54, FMT_PS), 9260 OPC_CMP_ULE_PS = FOP(55, FMT_PS), 9261 OPC_CMP_SF_PS = FOP(56, FMT_PS), 9262 OPC_CMP_NGLE_PS = FOP(57, FMT_PS), 9263 OPC_CMP_SEQ_PS = FOP(58, FMT_PS), 9264 OPC_CMP_NGL_PS = FOP(59, FMT_PS), 9265 OPC_CMP_LT_PS = FOP(60, FMT_PS), 9266 OPC_CMP_NGE_PS = FOP(61, FMT_PS), 9267 OPC_CMP_LE_PS = FOP(62, FMT_PS), 9268 OPC_CMP_NGT_PS = FOP(63, FMT_PS), 9269 }; 9270 9271 enum r6_f_cmp_op { 9272 R6_OPC_CMP_AF_S = FOP(0, FMT_W), 9273 R6_OPC_CMP_UN_S = FOP(1, FMT_W), 9274 R6_OPC_CMP_EQ_S = FOP(2, FMT_W), 9275 R6_OPC_CMP_UEQ_S = FOP(3, FMT_W), 9276 R6_OPC_CMP_LT_S = FOP(4, FMT_W), 9277 R6_OPC_CMP_ULT_S = FOP(5, FMT_W), 9278 R6_OPC_CMP_LE_S = FOP(6, FMT_W), 9279 R6_OPC_CMP_ULE_S = FOP(7, FMT_W), 9280 R6_OPC_CMP_SAF_S = FOP(8, FMT_W), 9281 R6_OPC_CMP_SUN_S = FOP(9, FMT_W), 9282 R6_OPC_CMP_SEQ_S = FOP(10, FMT_W), 9283 R6_OPC_CMP_SEUQ_S = FOP(11, FMT_W), 9284 R6_OPC_CMP_SLT_S = FOP(12, FMT_W), 9285 R6_OPC_CMP_SULT_S = FOP(13, FMT_W), 9286 R6_OPC_CMP_SLE_S = FOP(14, FMT_W), 9287 R6_OPC_CMP_SULE_S = FOP(15, FMT_W), 9288 R6_OPC_CMP_OR_S = FOP(17, FMT_W), 9289 R6_OPC_CMP_UNE_S = FOP(18, FMT_W), 9290 R6_OPC_CMP_NE_S = FOP(19, FMT_W), 9291 R6_OPC_CMP_SOR_S = FOP(25, FMT_W), 9292 R6_OPC_CMP_SUNE_S = FOP(26, FMT_W), 9293 R6_OPC_CMP_SNE_S = FOP(27, FMT_W), 9294 9295 R6_OPC_CMP_AF_D = FOP(0, FMT_L), 9296 R6_OPC_CMP_UN_D = FOP(1, FMT_L), 9297 R6_OPC_CMP_EQ_D = FOP(2, FMT_L), 9298 R6_OPC_CMP_UEQ_D = FOP(3, FMT_L), 9299 R6_OPC_CMP_LT_D = FOP(4, FMT_L), 9300 R6_OPC_CMP_ULT_D = FOP(5, FMT_L), 9301 R6_OPC_CMP_LE_D = FOP(6, FMT_L), 9302 R6_OPC_CMP_ULE_D = FOP(7, FMT_L), 9303 R6_OPC_CMP_SAF_D = FOP(8, FMT_L), 9304 R6_OPC_CMP_SUN_D = FOP(9, FMT_L), 9305 R6_OPC_CMP_SEQ_D = FOP(10, FMT_L), 9306 R6_OPC_CMP_SEUQ_D = FOP(11, FMT_L), 9307 R6_OPC_CMP_SLT_D = FOP(12, FMT_L), 9308 R6_OPC_CMP_SULT_D = FOP(13, FMT_L), 9309 R6_OPC_CMP_SLE_D = FOP(14, FMT_L), 9310 R6_OPC_CMP_SULE_D = FOP(15, FMT_L), 9311 R6_OPC_CMP_OR_D = FOP(17, FMT_L), 9312 R6_OPC_CMP_UNE_D = FOP(18, FMT_L), 9313 R6_OPC_CMP_NE_D = FOP(19, FMT_L), 9314 R6_OPC_CMP_SOR_D = FOP(25, FMT_L), 9315 R6_OPC_CMP_SUNE_D = FOP(26, FMT_L), 9316 R6_OPC_CMP_SNE_D = FOP(27, FMT_L), 9317 }; 9318 9319 static void gen_cp1(DisasContext *ctx, uint32_t opc, int rt, int fs) 9320 { 9321 TCGv t0 = tcg_temp_new(); 9322 9323 switch (opc) { 9324 case OPC_MFC1: 9325 { 9326 TCGv_i32 fp0 = tcg_temp_new_i32(); 9327 9328 gen_load_fpr32(ctx, fp0, fs); 9329 tcg_gen_ext_i32_tl(t0, fp0); 9330 } 9331 gen_store_gpr(t0, rt); 9332 break; 9333 case OPC_MTC1: 9334 gen_load_gpr(t0, rt); 9335 { 9336 TCGv_i32 fp0 = tcg_temp_new_i32(); 9337 9338 tcg_gen_trunc_tl_i32(fp0, t0); 9339 gen_store_fpr32(ctx, fp0, fs); 9340 } 9341 break; 9342 case OPC_CFC1: 9343 gen_helper_1e0i(cfc1, t0, fs); 9344 gen_store_gpr(t0, rt); 9345 break; 9346 case OPC_CTC1: 9347 gen_load_gpr(t0, rt); 9348 save_cpu_state(ctx, 0); 9349 gen_helper_0e2i(ctc1, t0, tcg_constant_i32(fs), rt); 9350 /* Stop translation as we may have changed hflags */ 9351 ctx->base.is_jmp = DISAS_STOP; 9352 break; 9353 #if defined(TARGET_MIPS64) 9354 case OPC_DMFC1: 9355 gen_load_fpr64(ctx, t0, fs); 9356 gen_store_gpr(t0, rt); 9357 break; 9358 case OPC_DMTC1: 9359 gen_load_gpr(t0, rt); 9360 gen_store_fpr64(ctx, t0, fs); 9361 break; 9362 #endif 9363 case OPC_MFHC1: 9364 { 9365 TCGv_i32 fp0 = tcg_temp_new_i32(); 9366 9367 gen_load_fpr32h(ctx, fp0, fs); 9368 tcg_gen_ext_i32_tl(t0, fp0); 9369 } 9370 gen_store_gpr(t0, rt); 9371 break; 9372 case OPC_MTHC1: 9373 gen_load_gpr(t0, rt); 9374 { 9375 TCGv_i32 fp0 = tcg_temp_new_i32(); 9376 9377 tcg_gen_trunc_tl_i32(fp0, t0); 9378 gen_store_fpr32h(ctx, fp0, fs); 9379 } 9380 break; 9381 default: 9382 MIPS_INVAL("cp1 move"); 9383 gen_reserved_instruction(ctx); 9384 return; 9385 } 9386 } 9387 9388 static void gen_movci(DisasContext *ctx, int rd, int rs, int cc, int tf) 9389 { 9390 TCGLabel *l1; 9391 TCGCond cond; 9392 TCGv_i32 t0; 9393 9394 if (rd == 0) { 9395 /* Treat as NOP. */ 9396 return; 9397 } 9398 9399 if (tf) { 9400 cond = TCG_COND_EQ; 9401 } else { 9402 cond = TCG_COND_NE; 9403 } 9404 9405 l1 = gen_new_label(); 9406 t0 = tcg_temp_new_i32(); 9407 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); 9408 tcg_gen_brcondi_i32(cond, t0, 0, l1); 9409 gen_load_gpr(cpu_gpr[rd], rs); 9410 gen_set_label(l1); 9411 } 9412 9413 static inline void gen_movcf_s(DisasContext *ctx, int fs, int fd, int cc, 9414 int tf) 9415 { 9416 int cond; 9417 TCGv_i32 t0 = tcg_temp_new_i32(); 9418 TCGLabel *l1 = gen_new_label(); 9419 9420 if (tf) { 9421 cond = TCG_COND_EQ; 9422 } else { 9423 cond = TCG_COND_NE; 9424 } 9425 9426 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); 9427 tcg_gen_brcondi_i32(cond, t0, 0, l1); 9428 gen_load_fpr32(ctx, t0, fs); 9429 gen_store_fpr32(ctx, t0, fd); 9430 gen_set_label(l1); 9431 } 9432 9433 static inline void gen_movcf_d(DisasContext *ctx, int fs, int fd, int cc, 9434 int tf) 9435 { 9436 int cond; 9437 TCGv_i32 t0 = tcg_temp_new_i32(); 9438 TCGv_i64 fp0; 9439 TCGLabel *l1 = gen_new_label(); 9440 9441 if (tf) { 9442 cond = TCG_COND_EQ; 9443 } else { 9444 cond = TCG_COND_NE; 9445 } 9446 9447 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); 9448 tcg_gen_brcondi_i32(cond, t0, 0, l1); 9449 fp0 = tcg_temp_new_i64(); 9450 gen_load_fpr64(ctx, fp0, fs); 9451 gen_store_fpr64(ctx, fp0, fd); 9452 gen_set_label(l1); 9453 } 9454 9455 static inline void gen_movcf_ps(DisasContext *ctx, int fs, int fd, 9456 int cc, int tf) 9457 { 9458 int cond; 9459 TCGv_i32 t0 = tcg_temp_new_i32(); 9460 TCGLabel *l1 = gen_new_label(); 9461 TCGLabel *l2 = gen_new_label(); 9462 9463 if (tf) { 9464 cond = TCG_COND_EQ; 9465 } else { 9466 cond = TCG_COND_NE; 9467 } 9468 9469 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc)); 9470 tcg_gen_brcondi_i32(cond, t0, 0, l1); 9471 gen_load_fpr32(ctx, t0, fs); 9472 gen_store_fpr32(ctx, t0, fd); 9473 gen_set_label(l1); 9474 9475 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc + 1)); 9476 tcg_gen_brcondi_i32(cond, t0, 0, l2); 9477 gen_load_fpr32h(ctx, t0, fs); 9478 gen_store_fpr32h(ctx, t0, fd); 9479 gen_set_label(l2); 9480 } 9481 9482 static void gen_sel_s(DisasContext *ctx, enum fopcode op1, int fd, int ft, 9483 int fs) 9484 { 9485 TCGv_i32 t1 = tcg_constant_i32(0); 9486 TCGv_i32 fp0 = tcg_temp_new_i32(); 9487 TCGv_i32 fp1 = tcg_temp_new_i32(); 9488 TCGv_i32 fp2 = tcg_temp_new_i32(); 9489 gen_load_fpr32(ctx, fp0, fd); 9490 gen_load_fpr32(ctx, fp1, ft); 9491 gen_load_fpr32(ctx, fp2, fs); 9492 9493 switch (op1) { 9494 case OPC_SEL_S: 9495 tcg_gen_andi_i32(fp0, fp0, 1); 9496 tcg_gen_movcond_i32(TCG_COND_NE, fp0, fp0, t1, fp1, fp2); 9497 break; 9498 case OPC_SELEQZ_S: 9499 tcg_gen_andi_i32(fp1, fp1, 1); 9500 tcg_gen_movcond_i32(TCG_COND_EQ, fp0, fp1, t1, fp2, t1); 9501 break; 9502 case OPC_SELNEZ_S: 9503 tcg_gen_andi_i32(fp1, fp1, 1); 9504 tcg_gen_movcond_i32(TCG_COND_NE, fp0, fp1, t1, fp2, t1); 9505 break; 9506 default: 9507 MIPS_INVAL("gen_sel_s"); 9508 gen_reserved_instruction(ctx); 9509 break; 9510 } 9511 9512 gen_store_fpr32(ctx, fp0, fd); 9513 } 9514 9515 static void gen_sel_d(DisasContext *ctx, enum fopcode op1, int fd, int ft, 9516 int fs) 9517 { 9518 TCGv_i64 t1 = tcg_constant_i64(0); 9519 TCGv_i64 fp0 = tcg_temp_new_i64(); 9520 TCGv_i64 fp1 = tcg_temp_new_i64(); 9521 TCGv_i64 fp2 = tcg_temp_new_i64(); 9522 gen_load_fpr64(ctx, fp0, fd); 9523 gen_load_fpr64(ctx, fp1, ft); 9524 gen_load_fpr64(ctx, fp2, fs); 9525 9526 switch (op1) { 9527 case OPC_SEL_D: 9528 tcg_gen_andi_i64(fp0, fp0, 1); 9529 tcg_gen_movcond_i64(TCG_COND_NE, fp0, fp0, t1, fp1, fp2); 9530 break; 9531 case OPC_SELEQZ_D: 9532 tcg_gen_andi_i64(fp1, fp1, 1); 9533 tcg_gen_movcond_i64(TCG_COND_EQ, fp0, fp1, t1, fp2, t1); 9534 break; 9535 case OPC_SELNEZ_D: 9536 tcg_gen_andi_i64(fp1, fp1, 1); 9537 tcg_gen_movcond_i64(TCG_COND_NE, fp0, fp1, t1, fp2, t1); 9538 break; 9539 default: 9540 MIPS_INVAL("gen_sel_d"); 9541 gen_reserved_instruction(ctx); 9542 break; 9543 } 9544 9545 gen_store_fpr64(ctx, fp0, fd); 9546 } 9547 9548 static void gen_farith(DisasContext *ctx, enum fopcode op1, 9549 int ft, int fs, int fd, int cc) 9550 { 9551 uint32_t func = ctx->opcode & 0x3f; 9552 switch (op1) { 9553 case OPC_ADD_S: 9554 { 9555 TCGv_i32 fp0 = tcg_temp_new_i32(); 9556 TCGv_i32 fp1 = tcg_temp_new_i32(); 9557 9558 gen_load_fpr32(ctx, fp0, fs); 9559 gen_load_fpr32(ctx, fp1, ft); 9560 gen_helper_float_add_s(fp0, tcg_env, fp0, fp1); 9561 gen_store_fpr32(ctx, fp0, fd); 9562 } 9563 break; 9564 case OPC_SUB_S: 9565 { 9566 TCGv_i32 fp0 = tcg_temp_new_i32(); 9567 TCGv_i32 fp1 = tcg_temp_new_i32(); 9568 9569 gen_load_fpr32(ctx, fp0, fs); 9570 gen_load_fpr32(ctx, fp1, ft); 9571 gen_helper_float_sub_s(fp0, tcg_env, fp0, fp1); 9572 gen_store_fpr32(ctx, fp0, fd); 9573 } 9574 break; 9575 case OPC_MUL_S: 9576 { 9577 TCGv_i32 fp0 = tcg_temp_new_i32(); 9578 TCGv_i32 fp1 = tcg_temp_new_i32(); 9579 9580 gen_load_fpr32(ctx, fp0, fs); 9581 gen_load_fpr32(ctx, fp1, ft); 9582 gen_helper_float_mul_s(fp0, tcg_env, fp0, fp1); 9583 gen_store_fpr32(ctx, fp0, fd); 9584 } 9585 break; 9586 case OPC_DIV_S: 9587 { 9588 TCGv_i32 fp0 = tcg_temp_new_i32(); 9589 TCGv_i32 fp1 = tcg_temp_new_i32(); 9590 9591 gen_load_fpr32(ctx, fp0, fs); 9592 gen_load_fpr32(ctx, fp1, ft); 9593 gen_helper_float_div_s(fp0, tcg_env, fp0, fp1); 9594 gen_store_fpr32(ctx, fp0, fd); 9595 } 9596 break; 9597 case OPC_SQRT_S: 9598 { 9599 TCGv_i32 fp0 = tcg_temp_new_i32(); 9600 9601 gen_load_fpr32(ctx, fp0, fs); 9602 gen_helper_float_sqrt_s(fp0, tcg_env, fp0); 9603 gen_store_fpr32(ctx, fp0, fd); 9604 } 9605 break; 9606 case OPC_ABS_S: 9607 { 9608 TCGv_i32 fp0 = tcg_temp_new_i32(); 9609 9610 gen_load_fpr32(ctx, fp0, fs); 9611 if (ctx->abs2008) { 9612 tcg_gen_andi_i32(fp0, fp0, 0x7fffffffUL); 9613 } else { 9614 gen_helper_float_abs_s(fp0, fp0); 9615 } 9616 gen_store_fpr32(ctx, fp0, fd); 9617 } 9618 break; 9619 case OPC_MOV_S: 9620 { 9621 TCGv_i32 fp0 = tcg_temp_new_i32(); 9622 9623 gen_load_fpr32(ctx, fp0, fs); 9624 gen_store_fpr32(ctx, fp0, fd); 9625 } 9626 break; 9627 case OPC_NEG_S: 9628 { 9629 TCGv_i32 fp0 = tcg_temp_new_i32(); 9630 9631 gen_load_fpr32(ctx, fp0, fs); 9632 if (ctx->abs2008) { 9633 tcg_gen_xori_i32(fp0, fp0, 1UL << 31); 9634 } else { 9635 gen_helper_float_chs_s(fp0, fp0); 9636 } 9637 gen_store_fpr32(ctx, fp0, fd); 9638 } 9639 break; 9640 case OPC_ROUND_L_S: 9641 check_cp1_64bitmode(ctx); 9642 { 9643 TCGv_i32 fp32 = tcg_temp_new_i32(); 9644 TCGv_i64 fp64 = tcg_temp_new_i64(); 9645 9646 gen_load_fpr32(ctx, fp32, fs); 9647 if (ctx->nan2008) { 9648 gen_helper_float_round_2008_l_s(fp64, tcg_env, fp32); 9649 } else { 9650 gen_helper_float_round_l_s(fp64, tcg_env, fp32); 9651 } 9652 gen_store_fpr64(ctx, fp64, fd); 9653 } 9654 break; 9655 case OPC_TRUNC_L_S: 9656 check_cp1_64bitmode(ctx); 9657 { 9658 TCGv_i32 fp32 = tcg_temp_new_i32(); 9659 TCGv_i64 fp64 = tcg_temp_new_i64(); 9660 9661 gen_load_fpr32(ctx, fp32, fs); 9662 if (ctx->nan2008) { 9663 gen_helper_float_trunc_2008_l_s(fp64, tcg_env, fp32); 9664 } else { 9665 gen_helper_float_trunc_l_s(fp64, tcg_env, fp32); 9666 } 9667 gen_store_fpr64(ctx, fp64, fd); 9668 } 9669 break; 9670 case OPC_CEIL_L_S: 9671 check_cp1_64bitmode(ctx); 9672 { 9673 TCGv_i32 fp32 = tcg_temp_new_i32(); 9674 TCGv_i64 fp64 = tcg_temp_new_i64(); 9675 9676 gen_load_fpr32(ctx, fp32, fs); 9677 if (ctx->nan2008) { 9678 gen_helper_float_ceil_2008_l_s(fp64, tcg_env, fp32); 9679 } else { 9680 gen_helper_float_ceil_l_s(fp64, tcg_env, fp32); 9681 } 9682 gen_store_fpr64(ctx, fp64, fd); 9683 } 9684 break; 9685 case OPC_FLOOR_L_S: 9686 check_cp1_64bitmode(ctx); 9687 { 9688 TCGv_i32 fp32 = tcg_temp_new_i32(); 9689 TCGv_i64 fp64 = tcg_temp_new_i64(); 9690 9691 gen_load_fpr32(ctx, fp32, fs); 9692 if (ctx->nan2008) { 9693 gen_helper_float_floor_2008_l_s(fp64, tcg_env, fp32); 9694 } else { 9695 gen_helper_float_floor_l_s(fp64, tcg_env, fp32); 9696 } 9697 gen_store_fpr64(ctx, fp64, fd); 9698 } 9699 break; 9700 case OPC_ROUND_W_S: 9701 { 9702 TCGv_i32 fp0 = tcg_temp_new_i32(); 9703 9704 gen_load_fpr32(ctx, fp0, fs); 9705 if (ctx->nan2008) { 9706 gen_helper_float_round_2008_w_s(fp0, tcg_env, fp0); 9707 } else { 9708 gen_helper_float_round_w_s(fp0, tcg_env, fp0); 9709 } 9710 gen_store_fpr32(ctx, fp0, fd); 9711 } 9712 break; 9713 case OPC_TRUNC_W_S: 9714 { 9715 TCGv_i32 fp0 = tcg_temp_new_i32(); 9716 9717 gen_load_fpr32(ctx, fp0, fs); 9718 if (ctx->nan2008) { 9719 gen_helper_float_trunc_2008_w_s(fp0, tcg_env, fp0); 9720 } else { 9721 gen_helper_float_trunc_w_s(fp0, tcg_env, fp0); 9722 } 9723 gen_store_fpr32(ctx, fp0, fd); 9724 } 9725 break; 9726 case OPC_CEIL_W_S: 9727 { 9728 TCGv_i32 fp0 = tcg_temp_new_i32(); 9729 9730 gen_load_fpr32(ctx, fp0, fs); 9731 if (ctx->nan2008) { 9732 gen_helper_float_ceil_2008_w_s(fp0, tcg_env, fp0); 9733 } else { 9734 gen_helper_float_ceil_w_s(fp0, tcg_env, fp0); 9735 } 9736 gen_store_fpr32(ctx, fp0, fd); 9737 } 9738 break; 9739 case OPC_FLOOR_W_S: 9740 { 9741 TCGv_i32 fp0 = tcg_temp_new_i32(); 9742 9743 gen_load_fpr32(ctx, fp0, fs); 9744 if (ctx->nan2008) { 9745 gen_helper_float_floor_2008_w_s(fp0, tcg_env, fp0); 9746 } else { 9747 gen_helper_float_floor_w_s(fp0, tcg_env, fp0); 9748 } 9749 gen_store_fpr32(ctx, fp0, fd); 9750 } 9751 break; 9752 case OPC_SEL_S: 9753 check_insn(ctx, ISA_MIPS_R6); 9754 gen_sel_s(ctx, op1, fd, ft, fs); 9755 break; 9756 case OPC_SELEQZ_S: 9757 check_insn(ctx, ISA_MIPS_R6); 9758 gen_sel_s(ctx, op1, fd, ft, fs); 9759 break; 9760 case OPC_SELNEZ_S: 9761 check_insn(ctx, ISA_MIPS_R6); 9762 gen_sel_s(ctx, op1, fd, ft, fs); 9763 break; 9764 case OPC_MOVCF_S: 9765 check_insn_opc_removed(ctx, ISA_MIPS_R6); 9766 gen_movcf_s(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); 9767 break; 9768 case OPC_MOVZ_S: 9769 check_insn_opc_removed(ctx, ISA_MIPS_R6); 9770 { 9771 TCGLabel *l1 = gen_new_label(); 9772 TCGv_i32 fp0; 9773 9774 if (ft != 0) { 9775 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); 9776 } 9777 fp0 = tcg_temp_new_i32(); 9778 gen_load_fpr32(ctx, fp0, fs); 9779 gen_store_fpr32(ctx, fp0, fd); 9780 gen_set_label(l1); 9781 } 9782 break; 9783 case OPC_MOVN_S: 9784 check_insn_opc_removed(ctx, ISA_MIPS_R6); 9785 { 9786 TCGLabel *l1 = gen_new_label(); 9787 TCGv_i32 fp0; 9788 9789 if (ft != 0) { 9790 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); 9791 fp0 = tcg_temp_new_i32(); 9792 gen_load_fpr32(ctx, fp0, fs); 9793 gen_store_fpr32(ctx, fp0, fd); 9794 gen_set_label(l1); 9795 } 9796 } 9797 break; 9798 case OPC_RECIP_S: 9799 { 9800 TCGv_i32 fp0 = tcg_temp_new_i32(); 9801 9802 gen_load_fpr32(ctx, fp0, fs); 9803 gen_helper_float_recip_s(fp0, tcg_env, fp0); 9804 gen_store_fpr32(ctx, fp0, fd); 9805 } 9806 break; 9807 case OPC_RSQRT_S: 9808 { 9809 TCGv_i32 fp0 = tcg_temp_new_i32(); 9810 9811 gen_load_fpr32(ctx, fp0, fs); 9812 gen_helper_float_rsqrt_s(fp0, tcg_env, fp0); 9813 gen_store_fpr32(ctx, fp0, fd); 9814 } 9815 break; 9816 case OPC_MADDF_S: 9817 check_insn(ctx, ISA_MIPS_R6); 9818 { 9819 TCGv_i32 fp0 = tcg_temp_new_i32(); 9820 TCGv_i32 fp1 = tcg_temp_new_i32(); 9821 TCGv_i32 fp2 = tcg_temp_new_i32(); 9822 gen_load_fpr32(ctx, fp0, fs); 9823 gen_load_fpr32(ctx, fp1, ft); 9824 gen_load_fpr32(ctx, fp2, fd); 9825 gen_helper_float_maddf_s(fp2, tcg_env, fp0, fp1, fp2); 9826 gen_store_fpr32(ctx, fp2, fd); 9827 } 9828 break; 9829 case OPC_MSUBF_S: 9830 check_insn(ctx, ISA_MIPS_R6); 9831 { 9832 TCGv_i32 fp0 = tcg_temp_new_i32(); 9833 TCGv_i32 fp1 = tcg_temp_new_i32(); 9834 TCGv_i32 fp2 = tcg_temp_new_i32(); 9835 gen_load_fpr32(ctx, fp0, fs); 9836 gen_load_fpr32(ctx, fp1, ft); 9837 gen_load_fpr32(ctx, fp2, fd); 9838 gen_helper_float_msubf_s(fp2, tcg_env, fp0, fp1, fp2); 9839 gen_store_fpr32(ctx, fp2, fd); 9840 } 9841 break; 9842 case OPC_RINT_S: 9843 check_insn(ctx, ISA_MIPS_R6); 9844 { 9845 TCGv_i32 fp0 = tcg_temp_new_i32(); 9846 gen_load_fpr32(ctx, fp0, fs); 9847 gen_helper_float_rint_s(fp0, tcg_env, fp0); 9848 gen_store_fpr32(ctx, fp0, fd); 9849 } 9850 break; 9851 case OPC_CLASS_S: 9852 check_insn(ctx, ISA_MIPS_R6); 9853 { 9854 TCGv_i32 fp0 = tcg_temp_new_i32(); 9855 gen_load_fpr32(ctx, fp0, fs); 9856 gen_helper_float_class_s(fp0, tcg_env, fp0); 9857 gen_store_fpr32(ctx, fp0, fd); 9858 } 9859 break; 9860 case OPC_MIN_S: /* OPC_RECIP2_S */ 9861 if (ctx->insn_flags & ISA_MIPS_R6) { 9862 /* OPC_MIN_S */ 9863 TCGv_i32 fp0 = tcg_temp_new_i32(); 9864 TCGv_i32 fp1 = tcg_temp_new_i32(); 9865 TCGv_i32 fp2 = tcg_temp_new_i32(); 9866 gen_load_fpr32(ctx, fp0, fs); 9867 gen_load_fpr32(ctx, fp1, ft); 9868 gen_helper_float_min_s(fp2, tcg_env, fp0, fp1); 9869 gen_store_fpr32(ctx, fp2, fd); 9870 } else { 9871 /* OPC_RECIP2_S */ 9872 check_cp1_64bitmode(ctx); 9873 { 9874 TCGv_i32 fp0 = tcg_temp_new_i32(); 9875 TCGv_i32 fp1 = tcg_temp_new_i32(); 9876 9877 gen_load_fpr32(ctx, fp0, fs); 9878 gen_load_fpr32(ctx, fp1, ft); 9879 gen_helper_float_recip2_s(fp0, tcg_env, fp0, fp1); 9880 gen_store_fpr32(ctx, fp0, fd); 9881 } 9882 } 9883 break; 9884 case OPC_MINA_S: /* OPC_RECIP1_S */ 9885 if (ctx->insn_flags & ISA_MIPS_R6) { 9886 /* OPC_MINA_S */ 9887 TCGv_i32 fp0 = tcg_temp_new_i32(); 9888 TCGv_i32 fp1 = tcg_temp_new_i32(); 9889 TCGv_i32 fp2 = tcg_temp_new_i32(); 9890 gen_load_fpr32(ctx, fp0, fs); 9891 gen_load_fpr32(ctx, fp1, ft); 9892 gen_helper_float_mina_s(fp2, tcg_env, fp0, fp1); 9893 gen_store_fpr32(ctx, fp2, fd); 9894 } else { 9895 /* OPC_RECIP1_S */ 9896 check_cp1_64bitmode(ctx); 9897 { 9898 TCGv_i32 fp0 = tcg_temp_new_i32(); 9899 9900 gen_load_fpr32(ctx, fp0, fs); 9901 gen_helper_float_recip1_s(fp0, tcg_env, fp0); 9902 gen_store_fpr32(ctx, fp0, fd); 9903 } 9904 } 9905 break; 9906 case OPC_MAX_S: /* OPC_RSQRT1_S */ 9907 if (ctx->insn_flags & ISA_MIPS_R6) { 9908 /* OPC_MAX_S */ 9909 TCGv_i32 fp0 = tcg_temp_new_i32(); 9910 TCGv_i32 fp1 = tcg_temp_new_i32(); 9911 gen_load_fpr32(ctx, fp0, fs); 9912 gen_load_fpr32(ctx, fp1, ft); 9913 gen_helper_float_max_s(fp1, tcg_env, fp0, fp1); 9914 gen_store_fpr32(ctx, fp1, fd); 9915 } else { 9916 /* OPC_RSQRT1_S */ 9917 check_cp1_64bitmode(ctx); 9918 { 9919 TCGv_i32 fp0 = tcg_temp_new_i32(); 9920 9921 gen_load_fpr32(ctx, fp0, fs); 9922 gen_helper_float_rsqrt1_s(fp0, tcg_env, fp0); 9923 gen_store_fpr32(ctx, fp0, fd); 9924 } 9925 } 9926 break; 9927 case OPC_MAXA_S: /* OPC_RSQRT2_S */ 9928 if (ctx->insn_flags & ISA_MIPS_R6) { 9929 /* OPC_MAXA_S */ 9930 TCGv_i32 fp0 = tcg_temp_new_i32(); 9931 TCGv_i32 fp1 = tcg_temp_new_i32(); 9932 gen_load_fpr32(ctx, fp0, fs); 9933 gen_load_fpr32(ctx, fp1, ft); 9934 gen_helper_float_maxa_s(fp1, tcg_env, fp0, fp1); 9935 gen_store_fpr32(ctx, fp1, fd); 9936 } else { 9937 /* OPC_RSQRT2_S */ 9938 check_cp1_64bitmode(ctx); 9939 { 9940 TCGv_i32 fp0 = tcg_temp_new_i32(); 9941 TCGv_i32 fp1 = tcg_temp_new_i32(); 9942 9943 gen_load_fpr32(ctx, fp0, fs); 9944 gen_load_fpr32(ctx, fp1, ft); 9945 gen_helper_float_rsqrt2_s(fp0, tcg_env, fp0, fp1); 9946 gen_store_fpr32(ctx, fp0, fd); 9947 } 9948 } 9949 break; 9950 case OPC_CVT_D_S: 9951 check_cp1_registers(ctx, fd); 9952 { 9953 TCGv_i32 fp32 = tcg_temp_new_i32(); 9954 TCGv_i64 fp64 = tcg_temp_new_i64(); 9955 9956 gen_load_fpr32(ctx, fp32, fs); 9957 gen_helper_float_cvtd_s(fp64, tcg_env, fp32); 9958 gen_store_fpr64(ctx, fp64, fd); 9959 } 9960 break; 9961 case OPC_CVT_W_S: 9962 { 9963 TCGv_i32 fp0 = tcg_temp_new_i32(); 9964 9965 gen_load_fpr32(ctx, fp0, fs); 9966 if (ctx->nan2008) { 9967 gen_helper_float_cvt_2008_w_s(fp0, tcg_env, fp0); 9968 } else { 9969 gen_helper_float_cvt_w_s(fp0, tcg_env, fp0); 9970 } 9971 gen_store_fpr32(ctx, fp0, fd); 9972 } 9973 break; 9974 case OPC_CVT_L_S: 9975 check_cp1_64bitmode(ctx); 9976 { 9977 TCGv_i32 fp32 = tcg_temp_new_i32(); 9978 TCGv_i64 fp64 = tcg_temp_new_i64(); 9979 9980 gen_load_fpr32(ctx, fp32, fs); 9981 if (ctx->nan2008) { 9982 gen_helper_float_cvt_2008_l_s(fp64, tcg_env, fp32); 9983 } else { 9984 gen_helper_float_cvt_l_s(fp64, tcg_env, fp32); 9985 } 9986 gen_store_fpr64(ctx, fp64, fd); 9987 } 9988 break; 9989 case OPC_CVT_PS_S: 9990 check_ps(ctx); 9991 { 9992 TCGv_i64 fp64 = tcg_temp_new_i64(); 9993 TCGv_i32 fp32_0 = tcg_temp_new_i32(); 9994 TCGv_i32 fp32_1 = tcg_temp_new_i32(); 9995 9996 gen_load_fpr32(ctx, fp32_0, fs); 9997 gen_load_fpr32(ctx, fp32_1, ft); 9998 tcg_gen_concat_i32_i64(fp64, fp32_1, fp32_0); 9999 gen_store_fpr64(ctx, fp64, fd); 10000 } 10001 break; 10002 case OPC_CMP_F_S: 10003 case OPC_CMP_UN_S: 10004 case OPC_CMP_EQ_S: 10005 case OPC_CMP_UEQ_S: 10006 case OPC_CMP_OLT_S: 10007 case OPC_CMP_ULT_S: 10008 case OPC_CMP_OLE_S: 10009 case OPC_CMP_ULE_S: 10010 case OPC_CMP_SF_S: 10011 case OPC_CMP_NGLE_S: 10012 case OPC_CMP_SEQ_S: 10013 case OPC_CMP_NGL_S: 10014 case OPC_CMP_LT_S: 10015 case OPC_CMP_NGE_S: 10016 case OPC_CMP_LE_S: 10017 case OPC_CMP_NGT_S: 10018 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10019 if (ctx->opcode & (1 << 6)) { 10020 gen_cmpabs_s(ctx, func - 48, ft, fs, cc); 10021 } else { 10022 gen_cmp_s(ctx, func - 48, ft, fs, cc); 10023 } 10024 break; 10025 case OPC_ADD_D: 10026 check_cp1_registers(ctx, fs | ft | fd); 10027 { 10028 TCGv_i64 fp0 = tcg_temp_new_i64(); 10029 TCGv_i64 fp1 = tcg_temp_new_i64(); 10030 10031 gen_load_fpr64(ctx, fp0, fs); 10032 gen_load_fpr64(ctx, fp1, ft); 10033 gen_helper_float_add_d(fp0, tcg_env, fp0, fp1); 10034 gen_store_fpr64(ctx, fp0, fd); 10035 } 10036 break; 10037 case OPC_SUB_D: 10038 check_cp1_registers(ctx, fs | ft | fd); 10039 { 10040 TCGv_i64 fp0 = tcg_temp_new_i64(); 10041 TCGv_i64 fp1 = tcg_temp_new_i64(); 10042 10043 gen_load_fpr64(ctx, fp0, fs); 10044 gen_load_fpr64(ctx, fp1, ft); 10045 gen_helper_float_sub_d(fp0, tcg_env, fp0, fp1); 10046 gen_store_fpr64(ctx, fp0, fd); 10047 } 10048 break; 10049 case OPC_MUL_D: 10050 check_cp1_registers(ctx, fs | ft | fd); 10051 { 10052 TCGv_i64 fp0 = tcg_temp_new_i64(); 10053 TCGv_i64 fp1 = tcg_temp_new_i64(); 10054 10055 gen_load_fpr64(ctx, fp0, fs); 10056 gen_load_fpr64(ctx, fp1, ft); 10057 gen_helper_float_mul_d(fp0, tcg_env, fp0, fp1); 10058 gen_store_fpr64(ctx, fp0, fd); 10059 } 10060 break; 10061 case OPC_DIV_D: 10062 check_cp1_registers(ctx, fs | ft | fd); 10063 { 10064 TCGv_i64 fp0 = tcg_temp_new_i64(); 10065 TCGv_i64 fp1 = tcg_temp_new_i64(); 10066 10067 gen_load_fpr64(ctx, fp0, fs); 10068 gen_load_fpr64(ctx, fp1, ft); 10069 gen_helper_float_div_d(fp0, tcg_env, fp0, fp1); 10070 gen_store_fpr64(ctx, fp0, fd); 10071 } 10072 break; 10073 case OPC_SQRT_D: 10074 check_cp1_registers(ctx, fs | fd); 10075 { 10076 TCGv_i64 fp0 = tcg_temp_new_i64(); 10077 10078 gen_load_fpr64(ctx, fp0, fs); 10079 gen_helper_float_sqrt_d(fp0, tcg_env, fp0); 10080 gen_store_fpr64(ctx, fp0, fd); 10081 } 10082 break; 10083 case OPC_ABS_D: 10084 check_cp1_registers(ctx, fs | fd); 10085 { 10086 TCGv_i64 fp0 = tcg_temp_new_i64(); 10087 10088 gen_load_fpr64(ctx, fp0, fs); 10089 if (ctx->abs2008) { 10090 tcg_gen_andi_i64(fp0, fp0, 0x7fffffffffffffffULL); 10091 } else { 10092 gen_helper_float_abs_d(fp0, fp0); 10093 } 10094 gen_store_fpr64(ctx, fp0, fd); 10095 } 10096 break; 10097 case OPC_MOV_D: 10098 check_cp1_registers(ctx, fs | fd); 10099 { 10100 TCGv_i64 fp0 = tcg_temp_new_i64(); 10101 10102 gen_load_fpr64(ctx, fp0, fs); 10103 gen_store_fpr64(ctx, fp0, fd); 10104 } 10105 break; 10106 case OPC_NEG_D: 10107 check_cp1_registers(ctx, fs | fd); 10108 { 10109 TCGv_i64 fp0 = tcg_temp_new_i64(); 10110 10111 gen_load_fpr64(ctx, fp0, fs); 10112 if (ctx->abs2008) { 10113 tcg_gen_xori_i64(fp0, fp0, 1ULL << 63); 10114 } else { 10115 gen_helper_float_chs_d(fp0, fp0); 10116 } 10117 gen_store_fpr64(ctx, fp0, fd); 10118 } 10119 break; 10120 case OPC_ROUND_L_D: 10121 check_cp1_64bitmode(ctx); 10122 { 10123 TCGv_i64 fp0 = tcg_temp_new_i64(); 10124 10125 gen_load_fpr64(ctx, fp0, fs); 10126 if (ctx->nan2008) { 10127 gen_helper_float_round_2008_l_d(fp0, tcg_env, fp0); 10128 } else { 10129 gen_helper_float_round_l_d(fp0, tcg_env, fp0); 10130 } 10131 gen_store_fpr64(ctx, fp0, fd); 10132 } 10133 break; 10134 case OPC_TRUNC_L_D: 10135 check_cp1_64bitmode(ctx); 10136 { 10137 TCGv_i64 fp0 = tcg_temp_new_i64(); 10138 10139 gen_load_fpr64(ctx, fp0, fs); 10140 if (ctx->nan2008) { 10141 gen_helper_float_trunc_2008_l_d(fp0, tcg_env, fp0); 10142 } else { 10143 gen_helper_float_trunc_l_d(fp0, tcg_env, fp0); 10144 } 10145 gen_store_fpr64(ctx, fp0, fd); 10146 } 10147 break; 10148 case OPC_CEIL_L_D: 10149 check_cp1_64bitmode(ctx); 10150 { 10151 TCGv_i64 fp0 = tcg_temp_new_i64(); 10152 10153 gen_load_fpr64(ctx, fp0, fs); 10154 if (ctx->nan2008) { 10155 gen_helper_float_ceil_2008_l_d(fp0, tcg_env, fp0); 10156 } else { 10157 gen_helper_float_ceil_l_d(fp0, tcg_env, fp0); 10158 } 10159 gen_store_fpr64(ctx, fp0, fd); 10160 } 10161 break; 10162 case OPC_FLOOR_L_D: 10163 check_cp1_64bitmode(ctx); 10164 { 10165 TCGv_i64 fp0 = tcg_temp_new_i64(); 10166 10167 gen_load_fpr64(ctx, fp0, fs); 10168 if (ctx->nan2008) { 10169 gen_helper_float_floor_2008_l_d(fp0, tcg_env, fp0); 10170 } else { 10171 gen_helper_float_floor_l_d(fp0, tcg_env, fp0); 10172 } 10173 gen_store_fpr64(ctx, fp0, fd); 10174 } 10175 break; 10176 case OPC_ROUND_W_D: 10177 check_cp1_registers(ctx, fs); 10178 { 10179 TCGv_i32 fp32 = tcg_temp_new_i32(); 10180 TCGv_i64 fp64 = tcg_temp_new_i64(); 10181 10182 gen_load_fpr64(ctx, fp64, fs); 10183 if (ctx->nan2008) { 10184 gen_helper_float_round_2008_w_d(fp32, tcg_env, fp64); 10185 } else { 10186 gen_helper_float_round_w_d(fp32, tcg_env, fp64); 10187 } 10188 gen_store_fpr32(ctx, fp32, fd); 10189 } 10190 break; 10191 case OPC_TRUNC_W_D: 10192 check_cp1_registers(ctx, fs); 10193 { 10194 TCGv_i32 fp32 = tcg_temp_new_i32(); 10195 TCGv_i64 fp64 = tcg_temp_new_i64(); 10196 10197 gen_load_fpr64(ctx, fp64, fs); 10198 if (ctx->nan2008) { 10199 gen_helper_float_trunc_2008_w_d(fp32, tcg_env, fp64); 10200 } else { 10201 gen_helper_float_trunc_w_d(fp32, tcg_env, fp64); 10202 } 10203 gen_store_fpr32(ctx, fp32, fd); 10204 } 10205 break; 10206 case OPC_CEIL_W_D: 10207 check_cp1_registers(ctx, fs); 10208 { 10209 TCGv_i32 fp32 = tcg_temp_new_i32(); 10210 TCGv_i64 fp64 = tcg_temp_new_i64(); 10211 10212 gen_load_fpr64(ctx, fp64, fs); 10213 if (ctx->nan2008) { 10214 gen_helper_float_ceil_2008_w_d(fp32, tcg_env, fp64); 10215 } else { 10216 gen_helper_float_ceil_w_d(fp32, tcg_env, fp64); 10217 } 10218 gen_store_fpr32(ctx, fp32, fd); 10219 } 10220 break; 10221 case OPC_FLOOR_W_D: 10222 check_cp1_registers(ctx, fs); 10223 { 10224 TCGv_i32 fp32 = tcg_temp_new_i32(); 10225 TCGv_i64 fp64 = tcg_temp_new_i64(); 10226 10227 gen_load_fpr64(ctx, fp64, fs); 10228 if (ctx->nan2008) { 10229 gen_helper_float_floor_2008_w_d(fp32, tcg_env, fp64); 10230 } else { 10231 gen_helper_float_floor_w_d(fp32, tcg_env, fp64); 10232 } 10233 gen_store_fpr32(ctx, fp32, fd); 10234 } 10235 break; 10236 case OPC_SEL_D: 10237 check_insn(ctx, ISA_MIPS_R6); 10238 gen_sel_d(ctx, op1, fd, ft, fs); 10239 break; 10240 case OPC_SELEQZ_D: 10241 check_insn(ctx, ISA_MIPS_R6); 10242 gen_sel_d(ctx, op1, fd, ft, fs); 10243 break; 10244 case OPC_SELNEZ_D: 10245 check_insn(ctx, ISA_MIPS_R6); 10246 gen_sel_d(ctx, op1, fd, ft, fs); 10247 break; 10248 case OPC_MOVCF_D: 10249 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10250 gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); 10251 break; 10252 case OPC_MOVZ_D: 10253 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10254 { 10255 TCGLabel *l1 = gen_new_label(); 10256 TCGv_i64 fp0; 10257 10258 if (ft != 0) { 10259 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); 10260 } 10261 fp0 = tcg_temp_new_i64(); 10262 gen_load_fpr64(ctx, fp0, fs); 10263 gen_store_fpr64(ctx, fp0, fd); 10264 gen_set_label(l1); 10265 } 10266 break; 10267 case OPC_MOVN_D: 10268 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10269 { 10270 TCGLabel *l1 = gen_new_label(); 10271 TCGv_i64 fp0; 10272 10273 if (ft != 0) { 10274 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); 10275 fp0 = tcg_temp_new_i64(); 10276 gen_load_fpr64(ctx, fp0, fs); 10277 gen_store_fpr64(ctx, fp0, fd); 10278 gen_set_label(l1); 10279 } 10280 } 10281 break; 10282 case OPC_RECIP_D: 10283 check_cp1_registers(ctx, fs | fd); 10284 { 10285 TCGv_i64 fp0 = tcg_temp_new_i64(); 10286 10287 gen_load_fpr64(ctx, fp0, fs); 10288 gen_helper_float_recip_d(fp0, tcg_env, fp0); 10289 gen_store_fpr64(ctx, fp0, fd); 10290 } 10291 break; 10292 case OPC_RSQRT_D: 10293 check_cp1_registers(ctx, fs | fd); 10294 { 10295 TCGv_i64 fp0 = tcg_temp_new_i64(); 10296 10297 gen_load_fpr64(ctx, fp0, fs); 10298 gen_helper_float_rsqrt_d(fp0, tcg_env, fp0); 10299 gen_store_fpr64(ctx, fp0, fd); 10300 } 10301 break; 10302 case OPC_MADDF_D: 10303 check_insn(ctx, ISA_MIPS_R6); 10304 { 10305 TCGv_i64 fp0 = tcg_temp_new_i64(); 10306 TCGv_i64 fp1 = tcg_temp_new_i64(); 10307 TCGv_i64 fp2 = tcg_temp_new_i64(); 10308 gen_load_fpr64(ctx, fp0, fs); 10309 gen_load_fpr64(ctx, fp1, ft); 10310 gen_load_fpr64(ctx, fp2, fd); 10311 gen_helper_float_maddf_d(fp2, tcg_env, fp0, fp1, fp2); 10312 gen_store_fpr64(ctx, fp2, fd); 10313 } 10314 break; 10315 case OPC_MSUBF_D: 10316 check_insn(ctx, ISA_MIPS_R6); 10317 { 10318 TCGv_i64 fp0 = tcg_temp_new_i64(); 10319 TCGv_i64 fp1 = tcg_temp_new_i64(); 10320 TCGv_i64 fp2 = tcg_temp_new_i64(); 10321 gen_load_fpr64(ctx, fp0, fs); 10322 gen_load_fpr64(ctx, fp1, ft); 10323 gen_load_fpr64(ctx, fp2, fd); 10324 gen_helper_float_msubf_d(fp2, tcg_env, fp0, fp1, fp2); 10325 gen_store_fpr64(ctx, fp2, fd); 10326 } 10327 break; 10328 case OPC_RINT_D: 10329 check_insn(ctx, ISA_MIPS_R6); 10330 { 10331 TCGv_i64 fp0 = tcg_temp_new_i64(); 10332 gen_load_fpr64(ctx, fp0, fs); 10333 gen_helper_float_rint_d(fp0, tcg_env, fp0); 10334 gen_store_fpr64(ctx, fp0, fd); 10335 } 10336 break; 10337 case OPC_CLASS_D: 10338 check_insn(ctx, ISA_MIPS_R6); 10339 { 10340 TCGv_i64 fp0 = tcg_temp_new_i64(); 10341 gen_load_fpr64(ctx, fp0, fs); 10342 gen_helper_float_class_d(fp0, tcg_env, fp0); 10343 gen_store_fpr64(ctx, fp0, fd); 10344 } 10345 break; 10346 case OPC_MIN_D: /* OPC_RECIP2_D */ 10347 if (ctx->insn_flags & ISA_MIPS_R6) { 10348 /* OPC_MIN_D */ 10349 TCGv_i64 fp0 = tcg_temp_new_i64(); 10350 TCGv_i64 fp1 = tcg_temp_new_i64(); 10351 gen_load_fpr64(ctx, fp0, fs); 10352 gen_load_fpr64(ctx, fp1, ft); 10353 gen_helper_float_min_d(fp1, tcg_env, fp0, fp1); 10354 gen_store_fpr64(ctx, fp1, fd); 10355 } else { 10356 /* OPC_RECIP2_D */ 10357 check_cp1_64bitmode(ctx); 10358 { 10359 TCGv_i64 fp0 = tcg_temp_new_i64(); 10360 TCGv_i64 fp1 = tcg_temp_new_i64(); 10361 10362 gen_load_fpr64(ctx, fp0, fs); 10363 gen_load_fpr64(ctx, fp1, ft); 10364 gen_helper_float_recip2_d(fp0, tcg_env, fp0, fp1); 10365 gen_store_fpr64(ctx, fp0, fd); 10366 } 10367 } 10368 break; 10369 case OPC_MINA_D: /* OPC_RECIP1_D */ 10370 if (ctx->insn_flags & ISA_MIPS_R6) { 10371 /* OPC_MINA_D */ 10372 TCGv_i64 fp0 = tcg_temp_new_i64(); 10373 TCGv_i64 fp1 = tcg_temp_new_i64(); 10374 gen_load_fpr64(ctx, fp0, fs); 10375 gen_load_fpr64(ctx, fp1, ft); 10376 gen_helper_float_mina_d(fp1, tcg_env, fp0, fp1); 10377 gen_store_fpr64(ctx, fp1, fd); 10378 } else { 10379 /* OPC_RECIP1_D */ 10380 check_cp1_64bitmode(ctx); 10381 { 10382 TCGv_i64 fp0 = tcg_temp_new_i64(); 10383 10384 gen_load_fpr64(ctx, fp0, fs); 10385 gen_helper_float_recip1_d(fp0, tcg_env, fp0); 10386 gen_store_fpr64(ctx, fp0, fd); 10387 } 10388 } 10389 break; 10390 case OPC_MAX_D: /* OPC_RSQRT1_D */ 10391 if (ctx->insn_flags & ISA_MIPS_R6) { 10392 /* OPC_MAX_D */ 10393 TCGv_i64 fp0 = tcg_temp_new_i64(); 10394 TCGv_i64 fp1 = tcg_temp_new_i64(); 10395 gen_load_fpr64(ctx, fp0, fs); 10396 gen_load_fpr64(ctx, fp1, ft); 10397 gen_helper_float_max_d(fp1, tcg_env, fp0, fp1); 10398 gen_store_fpr64(ctx, fp1, fd); 10399 } else { 10400 /* OPC_RSQRT1_D */ 10401 check_cp1_64bitmode(ctx); 10402 { 10403 TCGv_i64 fp0 = tcg_temp_new_i64(); 10404 10405 gen_load_fpr64(ctx, fp0, fs); 10406 gen_helper_float_rsqrt1_d(fp0, tcg_env, fp0); 10407 gen_store_fpr64(ctx, fp0, fd); 10408 } 10409 } 10410 break; 10411 case OPC_MAXA_D: /* OPC_RSQRT2_D */ 10412 if (ctx->insn_flags & ISA_MIPS_R6) { 10413 /* OPC_MAXA_D */ 10414 TCGv_i64 fp0 = tcg_temp_new_i64(); 10415 TCGv_i64 fp1 = tcg_temp_new_i64(); 10416 gen_load_fpr64(ctx, fp0, fs); 10417 gen_load_fpr64(ctx, fp1, ft); 10418 gen_helper_float_maxa_d(fp1, tcg_env, fp0, fp1); 10419 gen_store_fpr64(ctx, fp1, fd); 10420 } else { 10421 /* OPC_RSQRT2_D */ 10422 check_cp1_64bitmode(ctx); 10423 { 10424 TCGv_i64 fp0 = tcg_temp_new_i64(); 10425 TCGv_i64 fp1 = tcg_temp_new_i64(); 10426 10427 gen_load_fpr64(ctx, fp0, fs); 10428 gen_load_fpr64(ctx, fp1, ft); 10429 gen_helper_float_rsqrt2_d(fp0, tcg_env, fp0, fp1); 10430 gen_store_fpr64(ctx, fp0, fd); 10431 } 10432 } 10433 break; 10434 case OPC_CMP_F_D: 10435 case OPC_CMP_UN_D: 10436 case OPC_CMP_EQ_D: 10437 case OPC_CMP_UEQ_D: 10438 case OPC_CMP_OLT_D: 10439 case OPC_CMP_ULT_D: 10440 case OPC_CMP_OLE_D: 10441 case OPC_CMP_ULE_D: 10442 case OPC_CMP_SF_D: 10443 case OPC_CMP_NGLE_D: 10444 case OPC_CMP_SEQ_D: 10445 case OPC_CMP_NGL_D: 10446 case OPC_CMP_LT_D: 10447 case OPC_CMP_NGE_D: 10448 case OPC_CMP_LE_D: 10449 case OPC_CMP_NGT_D: 10450 check_insn_opc_removed(ctx, ISA_MIPS_R6); 10451 if (ctx->opcode & (1 << 6)) { 10452 gen_cmpabs_d(ctx, func - 48, ft, fs, cc); 10453 } else { 10454 gen_cmp_d(ctx, func - 48, ft, fs, cc); 10455 } 10456 break; 10457 case OPC_CVT_S_D: 10458 check_cp1_registers(ctx, fs); 10459 { 10460 TCGv_i32 fp32 = tcg_temp_new_i32(); 10461 TCGv_i64 fp64 = tcg_temp_new_i64(); 10462 10463 gen_load_fpr64(ctx, fp64, fs); 10464 gen_helper_float_cvts_d(fp32, tcg_env, fp64); 10465 gen_store_fpr32(ctx, fp32, fd); 10466 } 10467 break; 10468 case OPC_CVT_W_D: 10469 check_cp1_registers(ctx, fs); 10470 { 10471 TCGv_i32 fp32 = tcg_temp_new_i32(); 10472 TCGv_i64 fp64 = tcg_temp_new_i64(); 10473 10474 gen_load_fpr64(ctx, fp64, fs); 10475 if (ctx->nan2008) { 10476 gen_helper_float_cvt_2008_w_d(fp32, tcg_env, fp64); 10477 } else { 10478 gen_helper_float_cvt_w_d(fp32, tcg_env, fp64); 10479 } 10480 gen_store_fpr32(ctx, fp32, fd); 10481 } 10482 break; 10483 case OPC_CVT_L_D: 10484 check_cp1_64bitmode(ctx); 10485 { 10486 TCGv_i64 fp0 = tcg_temp_new_i64(); 10487 10488 gen_load_fpr64(ctx, fp0, fs); 10489 if (ctx->nan2008) { 10490 gen_helper_float_cvt_2008_l_d(fp0, tcg_env, fp0); 10491 } else { 10492 gen_helper_float_cvt_l_d(fp0, tcg_env, fp0); 10493 } 10494 gen_store_fpr64(ctx, fp0, fd); 10495 } 10496 break; 10497 case OPC_CVT_S_W: 10498 { 10499 TCGv_i32 fp0 = tcg_temp_new_i32(); 10500 10501 gen_load_fpr32(ctx, fp0, fs); 10502 gen_helper_float_cvts_w(fp0, tcg_env, fp0); 10503 gen_store_fpr32(ctx, fp0, fd); 10504 } 10505 break; 10506 case OPC_CVT_D_W: 10507 check_cp1_registers(ctx, fd); 10508 { 10509 TCGv_i32 fp32 = tcg_temp_new_i32(); 10510 TCGv_i64 fp64 = tcg_temp_new_i64(); 10511 10512 gen_load_fpr32(ctx, fp32, fs); 10513 gen_helper_float_cvtd_w(fp64, tcg_env, fp32); 10514 gen_store_fpr64(ctx, fp64, fd); 10515 } 10516 break; 10517 case OPC_CVT_S_L: 10518 check_cp1_64bitmode(ctx); 10519 { 10520 TCGv_i32 fp32 = tcg_temp_new_i32(); 10521 TCGv_i64 fp64 = tcg_temp_new_i64(); 10522 10523 gen_load_fpr64(ctx, fp64, fs); 10524 gen_helper_float_cvts_l(fp32, tcg_env, fp64); 10525 gen_store_fpr32(ctx, fp32, fd); 10526 } 10527 break; 10528 case OPC_CVT_D_L: 10529 check_cp1_64bitmode(ctx); 10530 { 10531 TCGv_i64 fp0 = tcg_temp_new_i64(); 10532 10533 gen_load_fpr64(ctx, fp0, fs); 10534 gen_helper_float_cvtd_l(fp0, tcg_env, fp0); 10535 gen_store_fpr64(ctx, fp0, fd); 10536 } 10537 break; 10538 case OPC_CVT_PS_PW: 10539 check_ps(ctx); 10540 { 10541 TCGv_i64 fp0 = tcg_temp_new_i64(); 10542 10543 gen_load_fpr64(ctx, fp0, fs); 10544 gen_helper_float_cvtps_pw(fp0, tcg_env, fp0); 10545 gen_store_fpr64(ctx, fp0, fd); 10546 } 10547 break; 10548 case OPC_ADD_PS: 10549 check_ps(ctx); 10550 { 10551 TCGv_i64 fp0 = tcg_temp_new_i64(); 10552 TCGv_i64 fp1 = tcg_temp_new_i64(); 10553 10554 gen_load_fpr64(ctx, fp0, fs); 10555 gen_load_fpr64(ctx, fp1, ft); 10556 gen_helper_float_add_ps(fp0, tcg_env, fp0, fp1); 10557 gen_store_fpr64(ctx, fp0, fd); 10558 } 10559 break; 10560 case OPC_SUB_PS: 10561 check_ps(ctx); 10562 { 10563 TCGv_i64 fp0 = tcg_temp_new_i64(); 10564 TCGv_i64 fp1 = tcg_temp_new_i64(); 10565 10566 gen_load_fpr64(ctx, fp0, fs); 10567 gen_load_fpr64(ctx, fp1, ft); 10568 gen_helper_float_sub_ps(fp0, tcg_env, fp0, fp1); 10569 gen_store_fpr64(ctx, fp0, fd); 10570 } 10571 break; 10572 case OPC_MUL_PS: 10573 check_ps(ctx); 10574 { 10575 TCGv_i64 fp0 = tcg_temp_new_i64(); 10576 TCGv_i64 fp1 = tcg_temp_new_i64(); 10577 10578 gen_load_fpr64(ctx, fp0, fs); 10579 gen_load_fpr64(ctx, fp1, ft); 10580 gen_helper_float_mul_ps(fp0, tcg_env, fp0, fp1); 10581 gen_store_fpr64(ctx, fp0, fd); 10582 } 10583 break; 10584 case OPC_ABS_PS: 10585 check_ps(ctx); 10586 { 10587 TCGv_i64 fp0 = tcg_temp_new_i64(); 10588 10589 gen_load_fpr64(ctx, fp0, fs); 10590 gen_helper_float_abs_ps(fp0, fp0); 10591 gen_store_fpr64(ctx, fp0, fd); 10592 } 10593 break; 10594 case OPC_MOV_PS: 10595 check_ps(ctx); 10596 { 10597 TCGv_i64 fp0 = tcg_temp_new_i64(); 10598 10599 gen_load_fpr64(ctx, fp0, fs); 10600 gen_store_fpr64(ctx, fp0, fd); 10601 } 10602 break; 10603 case OPC_NEG_PS: 10604 check_ps(ctx); 10605 { 10606 TCGv_i64 fp0 = tcg_temp_new_i64(); 10607 10608 gen_load_fpr64(ctx, fp0, fs); 10609 gen_helper_float_chs_ps(fp0, fp0); 10610 gen_store_fpr64(ctx, fp0, fd); 10611 } 10612 break; 10613 case OPC_MOVCF_PS: 10614 check_ps(ctx); 10615 gen_movcf_ps(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1); 10616 break; 10617 case OPC_MOVZ_PS: 10618 check_ps(ctx); 10619 { 10620 TCGLabel *l1 = gen_new_label(); 10621 TCGv_i64 fp0; 10622 10623 if (ft != 0) { 10624 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1); 10625 } 10626 fp0 = tcg_temp_new_i64(); 10627 gen_load_fpr64(ctx, fp0, fs); 10628 gen_store_fpr64(ctx, fp0, fd); 10629 gen_set_label(l1); 10630 } 10631 break; 10632 case OPC_MOVN_PS: 10633 check_ps(ctx); 10634 { 10635 TCGLabel *l1 = gen_new_label(); 10636 TCGv_i64 fp0; 10637 10638 if (ft != 0) { 10639 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1); 10640 fp0 = tcg_temp_new_i64(); 10641 gen_load_fpr64(ctx, fp0, fs); 10642 gen_store_fpr64(ctx, fp0, fd); 10643 gen_set_label(l1); 10644 } 10645 } 10646 break; 10647 case OPC_ADDR_PS: 10648 check_ps(ctx); 10649 { 10650 TCGv_i64 fp0 = tcg_temp_new_i64(); 10651 TCGv_i64 fp1 = tcg_temp_new_i64(); 10652 10653 gen_load_fpr64(ctx, fp0, ft); 10654 gen_load_fpr64(ctx, fp1, fs); 10655 gen_helper_float_addr_ps(fp0, tcg_env, fp0, fp1); 10656 gen_store_fpr64(ctx, fp0, fd); 10657 } 10658 break; 10659 case OPC_MULR_PS: 10660 check_ps(ctx); 10661 { 10662 TCGv_i64 fp0 = tcg_temp_new_i64(); 10663 TCGv_i64 fp1 = tcg_temp_new_i64(); 10664 10665 gen_load_fpr64(ctx, fp0, ft); 10666 gen_load_fpr64(ctx, fp1, fs); 10667 gen_helper_float_mulr_ps(fp0, tcg_env, fp0, fp1); 10668 gen_store_fpr64(ctx, fp0, fd); 10669 } 10670 break; 10671 case OPC_RECIP2_PS: 10672 check_ps(ctx); 10673 { 10674 TCGv_i64 fp0 = tcg_temp_new_i64(); 10675 TCGv_i64 fp1 = tcg_temp_new_i64(); 10676 10677 gen_load_fpr64(ctx, fp0, fs); 10678 gen_load_fpr64(ctx, fp1, ft); 10679 gen_helper_float_recip2_ps(fp0, tcg_env, fp0, fp1); 10680 gen_store_fpr64(ctx, fp0, fd); 10681 } 10682 break; 10683 case OPC_RECIP1_PS: 10684 check_ps(ctx); 10685 { 10686 TCGv_i64 fp0 = tcg_temp_new_i64(); 10687 10688 gen_load_fpr64(ctx, fp0, fs); 10689 gen_helper_float_recip1_ps(fp0, tcg_env, fp0); 10690 gen_store_fpr64(ctx, fp0, fd); 10691 } 10692 break; 10693 case OPC_RSQRT1_PS: 10694 check_ps(ctx); 10695 { 10696 TCGv_i64 fp0 = tcg_temp_new_i64(); 10697 10698 gen_load_fpr64(ctx, fp0, fs); 10699 gen_helper_float_rsqrt1_ps(fp0, tcg_env, fp0); 10700 gen_store_fpr64(ctx, fp0, fd); 10701 } 10702 break; 10703 case OPC_RSQRT2_PS: 10704 check_ps(ctx); 10705 { 10706 TCGv_i64 fp0 = tcg_temp_new_i64(); 10707 TCGv_i64 fp1 = tcg_temp_new_i64(); 10708 10709 gen_load_fpr64(ctx, fp0, fs); 10710 gen_load_fpr64(ctx, fp1, ft); 10711 gen_helper_float_rsqrt2_ps(fp0, tcg_env, fp0, fp1); 10712 gen_store_fpr64(ctx, fp0, fd); 10713 } 10714 break; 10715 case OPC_CVT_S_PU: 10716 check_cp1_64bitmode(ctx); 10717 { 10718 TCGv_i32 fp0 = tcg_temp_new_i32(); 10719 10720 gen_load_fpr32h(ctx, fp0, fs); 10721 gen_helper_float_cvts_pu(fp0, tcg_env, fp0); 10722 gen_store_fpr32(ctx, fp0, fd); 10723 } 10724 break; 10725 case OPC_CVT_PW_PS: 10726 check_ps(ctx); 10727 { 10728 TCGv_i64 fp0 = tcg_temp_new_i64(); 10729 10730 gen_load_fpr64(ctx, fp0, fs); 10731 gen_helper_float_cvtpw_ps(fp0, tcg_env, fp0); 10732 gen_store_fpr64(ctx, fp0, fd); 10733 } 10734 break; 10735 case OPC_CVT_S_PL: 10736 check_cp1_64bitmode(ctx); 10737 { 10738 TCGv_i32 fp0 = tcg_temp_new_i32(); 10739 10740 gen_load_fpr32(ctx, fp0, fs); 10741 gen_helper_float_cvts_pl(fp0, tcg_env, fp0); 10742 gen_store_fpr32(ctx, fp0, fd); 10743 } 10744 break; 10745 case OPC_PLL_PS: 10746 check_ps(ctx); 10747 { 10748 TCGv_i32 fp0 = tcg_temp_new_i32(); 10749 TCGv_i32 fp1 = tcg_temp_new_i32(); 10750 10751 gen_load_fpr32(ctx, fp0, fs); 10752 gen_load_fpr32(ctx, fp1, ft); 10753 gen_store_fpr32h(ctx, fp0, fd); 10754 gen_store_fpr32(ctx, fp1, fd); 10755 } 10756 break; 10757 case OPC_PLU_PS: 10758 check_ps(ctx); 10759 { 10760 TCGv_i32 fp0 = tcg_temp_new_i32(); 10761 TCGv_i32 fp1 = tcg_temp_new_i32(); 10762 10763 gen_load_fpr32(ctx, fp0, fs); 10764 gen_load_fpr32h(ctx, fp1, ft); 10765 gen_store_fpr32(ctx, fp1, fd); 10766 gen_store_fpr32h(ctx, fp0, fd); 10767 } 10768 break; 10769 case OPC_PUL_PS: 10770 check_ps(ctx); 10771 { 10772 TCGv_i32 fp0 = tcg_temp_new_i32(); 10773 TCGv_i32 fp1 = tcg_temp_new_i32(); 10774 10775 gen_load_fpr32h(ctx, fp0, fs); 10776 gen_load_fpr32(ctx, fp1, ft); 10777 gen_store_fpr32(ctx, fp1, fd); 10778 gen_store_fpr32h(ctx, fp0, fd); 10779 } 10780 break; 10781 case OPC_PUU_PS: 10782 check_ps(ctx); 10783 { 10784 TCGv_i32 fp0 = tcg_temp_new_i32(); 10785 TCGv_i32 fp1 = tcg_temp_new_i32(); 10786 10787 gen_load_fpr32h(ctx, fp0, fs); 10788 gen_load_fpr32h(ctx, fp1, ft); 10789 gen_store_fpr32(ctx, fp1, fd); 10790 gen_store_fpr32h(ctx, fp0, fd); 10791 } 10792 break; 10793 case OPC_CMP_F_PS: 10794 case OPC_CMP_UN_PS: 10795 case OPC_CMP_EQ_PS: 10796 case OPC_CMP_UEQ_PS: 10797 case OPC_CMP_OLT_PS: 10798 case OPC_CMP_ULT_PS: 10799 case OPC_CMP_OLE_PS: 10800 case OPC_CMP_ULE_PS: 10801 case OPC_CMP_SF_PS: 10802 case OPC_CMP_NGLE_PS: 10803 case OPC_CMP_SEQ_PS: 10804 case OPC_CMP_NGL_PS: 10805 case OPC_CMP_LT_PS: 10806 case OPC_CMP_NGE_PS: 10807 case OPC_CMP_LE_PS: 10808 case OPC_CMP_NGT_PS: 10809 if (ctx->opcode & (1 << 6)) { 10810 gen_cmpabs_ps(ctx, func - 48, ft, fs, cc); 10811 } else { 10812 gen_cmp_ps(ctx, func - 48, ft, fs, cc); 10813 } 10814 break; 10815 default: 10816 MIPS_INVAL("farith"); 10817 gen_reserved_instruction(ctx); 10818 return; 10819 } 10820 } 10821 10822 /* Coprocessor 3 (FPU) */ 10823 static void gen_flt3_ldst(DisasContext *ctx, uint32_t opc, 10824 int fd, int fs, int base, int index) 10825 { 10826 TCGv t0 = tcg_temp_new(); 10827 10828 if (base == 0) { 10829 gen_load_gpr(t0, index); 10830 } else if (index == 0) { 10831 gen_load_gpr(t0, base); 10832 } else { 10833 gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[index]); 10834 } 10835 /* 10836 * Don't do NOP if destination is zero: we must perform the actual 10837 * memory access. 10838 */ 10839 switch (opc) { 10840 case OPC_LWXC1: 10841 check_cop1x(ctx); 10842 { 10843 TCGv_i32 fp0 = tcg_temp_new_i32(); 10844 10845 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL); 10846 tcg_gen_trunc_tl_i32(fp0, t0); 10847 gen_store_fpr32(ctx, fp0, fd); 10848 } 10849 break; 10850 case OPC_LDXC1: 10851 check_cop1x(ctx); 10852 check_cp1_registers(ctx, fd); 10853 { 10854 TCGv_i64 fp0 = tcg_temp_new_i64(); 10855 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEUQ); 10856 gen_store_fpr64(ctx, fp0, fd); 10857 } 10858 break; 10859 case OPC_LUXC1: 10860 check_cp1_64bitmode(ctx); 10861 tcg_gen_andi_tl(t0, t0, ~0x7); 10862 { 10863 TCGv_i64 fp0 = tcg_temp_new_i64(); 10864 10865 tcg_gen_qemu_ld_i64(fp0, t0, ctx->mem_idx, MO_TEUQ); 10866 gen_store_fpr64(ctx, fp0, fd); 10867 } 10868 break; 10869 case OPC_SWXC1: 10870 check_cop1x(ctx); 10871 { 10872 TCGv_i32 fp0 = tcg_temp_new_i32(); 10873 gen_load_fpr32(ctx, fp0, fs); 10874 tcg_gen_qemu_st_i32(fp0, t0, ctx->mem_idx, MO_TEUL); 10875 } 10876 break; 10877 case OPC_SDXC1: 10878 check_cop1x(ctx); 10879 check_cp1_registers(ctx, fs); 10880 { 10881 TCGv_i64 fp0 = tcg_temp_new_i64(); 10882 gen_load_fpr64(ctx, fp0, fs); 10883 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEUQ); 10884 } 10885 break; 10886 case OPC_SUXC1: 10887 check_cp1_64bitmode(ctx); 10888 tcg_gen_andi_tl(t0, t0, ~0x7); 10889 { 10890 TCGv_i64 fp0 = tcg_temp_new_i64(); 10891 gen_load_fpr64(ctx, fp0, fs); 10892 tcg_gen_qemu_st_i64(fp0, t0, ctx->mem_idx, MO_TEUQ); 10893 } 10894 break; 10895 } 10896 } 10897 10898 static void gen_flt3_arith(DisasContext *ctx, uint32_t opc, 10899 int fd, int fr, int fs, int ft) 10900 { 10901 switch (opc) { 10902 case OPC_ALNV_PS: 10903 check_ps(ctx); 10904 { 10905 TCGv t0 = tcg_temp_new(); 10906 TCGv_i32 fp = tcg_temp_new_i32(); 10907 TCGv_i32 fph = tcg_temp_new_i32(); 10908 TCGLabel *l1 = gen_new_label(); 10909 TCGLabel *l2 = gen_new_label(); 10910 10911 gen_load_gpr(t0, fr); 10912 tcg_gen_andi_tl(t0, t0, 0x7); 10913 10914 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1); 10915 gen_load_fpr32(ctx, fp, fs); 10916 gen_load_fpr32h(ctx, fph, fs); 10917 gen_store_fpr32(ctx, fp, fd); 10918 gen_store_fpr32h(ctx, fph, fd); 10919 tcg_gen_br(l2); 10920 gen_set_label(l1); 10921 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2); 10922 if (cpu_is_bigendian(ctx)) { 10923 gen_load_fpr32(ctx, fp, fs); 10924 gen_load_fpr32h(ctx, fph, ft); 10925 gen_store_fpr32h(ctx, fp, fd); 10926 gen_store_fpr32(ctx, fph, fd); 10927 } else { 10928 gen_load_fpr32h(ctx, fph, fs); 10929 gen_load_fpr32(ctx, fp, ft); 10930 gen_store_fpr32(ctx, fph, fd); 10931 gen_store_fpr32h(ctx, fp, fd); 10932 } 10933 gen_set_label(l2); 10934 } 10935 break; 10936 case OPC_MADD_S: 10937 check_cop1x(ctx); 10938 { 10939 TCGv_i32 fp0 = tcg_temp_new_i32(); 10940 TCGv_i32 fp1 = tcg_temp_new_i32(); 10941 TCGv_i32 fp2 = tcg_temp_new_i32(); 10942 10943 gen_load_fpr32(ctx, fp0, fs); 10944 gen_load_fpr32(ctx, fp1, ft); 10945 gen_load_fpr32(ctx, fp2, fr); 10946 gen_helper_float_madd_s(fp2, tcg_env, fp0, fp1, fp2); 10947 gen_store_fpr32(ctx, fp2, fd); 10948 } 10949 break; 10950 case OPC_MADD_D: 10951 check_cop1x(ctx); 10952 check_cp1_registers(ctx, fd | fs | ft | fr); 10953 { 10954 TCGv_i64 fp0 = tcg_temp_new_i64(); 10955 TCGv_i64 fp1 = tcg_temp_new_i64(); 10956 TCGv_i64 fp2 = tcg_temp_new_i64(); 10957 10958 gen_load_fpr64(ctx, fp0, fs); 10959 gen_load_fpr64(ctx, fp1, ft); 10960 gen_load_fpr64(ctx, fp2, fr); 10961 gen_helper_float_madd_d(fp2, tcg_env, fp0, fp1, fp2); 10962 gen_store_fpr64(ctx, fp2, fd); 10963 } 10964 break; 10965 case OPC_MADD_PS: 10966 check_ps(ctx); 10967 { 10968 TCGv_i64 fp0 = tcg_temp_new_i64(); 10969 TCGv_i64 fp1 = tcg_temp_new_i64(); 10970 TCGv_i64 fp2 = tcg_temp_new_i64(); 10971 10972 gen_load_fpr64(ctx, fp0, fs); 10973 gen_load_fpr64(ctx, fp1, ft); 10974 gen_load_fpr64(ctx, fp2, fr); 10975 gen_helper_float_madd_ps(fp2, tcg_env, fp0, fp1, fp2); 10976 gen_store_fpr64(ctx, fp2, fd); 10977 } 10978 break; 10979 case OPC_MSUB_S: 10980 check_cop1x(ctx); 10981 { 10982 TCGv_i32 fp0 = tcg_temp_new_i32(); 10983 TCGv_i32 fp1 = tcg_temp_new_i32(); 10984 TCGv_i32 fp2 = tcg_temp_new_i32(); 10985 10986 gen_load_fpr32(ctx, fp0, fs); 10987 gen_load_fpr32(ctx, fp1, ft); 10988 gen_load_fpr32(ctx, fp2, fr); 10989 gen_helper_float_msub_s(fp2, tcg_env, fp0, fp1, fp2); 10990 gen_store_fpr32(ctx, fp2, fd); 10991 } 10992 break; 10993 case OPC_MSUB_D: 10994 check_cop1x(ctx); 10995 check_cp1_registers(ctx, fd | fs | ft | fr); 10996 { 10997 TCGv_i64 fp0 = tcg_temp_new_i64(); 10998 TCGv_i64 fp1 = tcg_temp_new_i64(); 10999 TCGv_i64 fp2 = tcg_temp_new_i64(); 11000 11001 gen_load_fpr64(ctx, fp0, fs); 11002 gen_load_fpr64(ctx, fp1, ft); 11003 gen_load_fpr64(ctx, fp2, fr); 11004 gen_helper_float_msub_d(fp2, tcg_env, fp0, fp1, fp2); 11005 gen_store_fpr64(ctx, fp2, fd); 11006 } 11007 break; 11008 case OPC_MSUB_PS: 11009 check_ps(ctx); 11010 { 11011 TCGv_i64 fp0 = tcg_temp_new_i64(); 11012 TCGv_i64 fp1 = tcg_temp_new_i64(); 11013 TCGv_i64 fp2 = tcg_temp_new_i64(); 11014 11015 gen_load_fpr64(ctx, fp0, fs); 11016 gen_load_fpr64(ctx, fp1, ft); 11017 gen_load_fpr64(ctx, fp2, fr); 11018 gen_helper_float_msub_ps(fp2, tcg_env, fp0, fp1, fp2); 11019 gen_store_fpr64(ctx, fp2, fd); 11020 } 11021 break; 11022 case OPC_NMADD_S: 11023 check_cop1x(ctx); 11024 { 11025 TCGv_i32 fp0 = tcg_temp_new_i32(); 11026 TCGv_i32 fp1 = tcg_temp_new_i32(); 11027 TCGv_i32 fp2 = tcg_temp_new_i32(); 11028 11029 gen_load_fpr32(ctx, fp0, fs); 11030 gen_load_fpr32(ctx, fp1, ft); 11031 gen_load_fpr32(ctx, fp2, fr); 11032 gen_helper_float_nmadd_s(fp2, tcg_env, fp0, fp1, fp2); 11033 gen_store_fpr32(ctx, fp2, fd); 11034 } 11035 break; 11036 case OPC_NMADD_D: 11037 check_cop1x(ctx); 11038 check_cp1_registers(ctx, fd | fs | ft | fr); 11039 { 11040 TCGv_i64 fp0 = tcg_temp_new_i64(); 11041 TCGv_i64 fp1 = tcg_temp_new_i64(); 11042 TCGv_i64 fp2 = tcg_temp_new_i64(); 11043 11044 gen_load_fpr64(ctx, fp0, fs); 11045 gen_load_fpr64(ctx, fp1, ft); 11046 gen_load_fpr64(ctx, fp2, fr); 11047 gen_helper_float_nmadd_d(fp2, tcg_env, fp0, fp1, fp2); 11048 gen_store_fpr64(ctx, fp2, fd); 11049 } 11050 break; 11051 case OPC_NMADD_PS: 11052 check_ps(ctx); 11053 { 11054 TCGv_i64 fp0 = tcg_temp_new_i64(); 11055 TCGv_i64 fp1 = tcg_temp_new_i64(); 11056 TCGv_i64 fp2 = tcg_temp_new_i64(); 11057 11058 gen_load_fpr64(ctx, fp0, fs); 11059 gen_load_fpr64(ctx, fp1, ft); 11060 gen_load_fpr64(ctx, fp2, fr); 11061 gen_helper_float_nmadd_ps(fp2, tcg_env, fp0, fp1, fp2); 11062 gen_store_fpr64(ctx, fp2, fd); 11063 } 11064 break; 11065 case OPC_NMSUB_S: 11066 check_cop1x(ctx); 11067 { 11068 TCGv_i32 fp0 = tcg_temp_new_i32(); 11069 TCGv_i32 fp1 = tcg_temp_new_i32(); 11070 TCGv_i32 fp2 = tcg_temp_new_i32(); 11071 11072 gen_load_fpr32(ctx, fp0, fs); 11073 gen_load_fpr32(ctx, fp1, ft); 11074 gen_load_fpr32(ctx, fp2, fr); 11075 gen_helper_float_nmsub_s(fp2, tcg_env, fp0, fp1, fp2); 11076 gen_store_fpr32(ctx, fp2, fd); 11077 } 11078 break; 11079 case OPC_NMSUB_D: 11080 check_cop1x(ctx); 11081 check_cp1_registers(ctx, fd | fs | ft | fr); 11082 { 11083 TCGv_i64 fp0 = tcg_temp_new_i64(); 11084 TCGv_i64 fp1 = tcg_temp_new_i64(); 11085 TCGv_i64 fp2 = tcg_temp_new_i64(); 11086 11087 gen_load_fpr64(ctx, fp0, fs); 11088 gen_load_fpr64(ctx, fp1, ft); 11089 gen_load_fpr64(ctx, fp2, fr); 11090 gen_helper_float_nmsub_d(fp2, tcg_env, fp0, fp1, fp2); 11091 gen_store_fpr64(ctx, fp2, fd); 11092 } 11093 break; 11094 case OPC_NMSUB_PS: 11095 check_ps(ctx); 11096 { 11097 TCGv_i64 fp0 = tcg_temp_new_i64(); 11098 TCGv_i64 fp1 = tcg_temp_new_i64(); 11099 TCGv_i64 fp2 = tcg_temp_new_i64(); 11100 11101 gen_load_fpr64(ctx, fp0, fs); 11102 gen_load_fpr64(ctx, fp1, ft); 11103 gen_load_fpr64(ctx, fp2, fr); 11104 gen_helper_float_nmsub_ps(fp2, tcg_env, fp0, fp1, fp2); 11105 gen_store_fpr64(ctx, fp2, fd); 11106 } 11107 break; 11108 default: 11109 MIPS_INVAL("flt3_arith"); 11110 gen_reserved_instruction(ctx); 11111 return; 11112 } 11113 } 11114 11115 void gen_rdhwr(DisasContext *ctx, int rt, int rd, int sel) 11116 { 11117 TCGv t0; 11118 11119 #if !defined(CONFIG_USER_ONLY) 11120 /* 11121 * The Linux kernel will emulate rdhwr if it's not supported natively. 11122 * Therefore only check the ISA in system mode. 11123 */ 11124 check_insn(ctx, ISA_MIPS_R2); 11125 #endif 11126 t0 = tcg_temp_new(); 11127 11128 switch (rd) { 11129 case 0: 11130 gen_helper_rdhwr_cpunum(t0, tcg_env); 11131 gen_store_gpr(t0, rt); 11132 break; 11133 case 1: 11134 gen_helper_rdhwr_synci_step(t0, tcg_env); 11135 gen_store_gpr(t0, rt); 11136 break; 11137 case 2: 11138 translator_io_start(&ctx->base); 11139 gen_helper_rdhwr_cc(t0, tcg_env); 11140 gen_store_gpr(t0, rt); 11141 /* 11142 * Break the TB to be able to take timer interrupts immediately 11143 * after reading count. DISAS_STOP isn't sufficient, we need to ensure 11144 * we break completely out of translated code. 11145 */ 11146 gen_save_pc(ctx->base.pc_next + 4); 11147 ctx->base.is_jmp = DISAS_EXIT; 11148 break; 11149 case 3: 11150 gen_helper_rdhwr_ccres(t0, tcg_env); 11151 gen_store_gpr(t0, rt); 11152 break; 11153 case 4: 11154 check_insn(ctx, ISA_MIPS_R6); 11155 if (sel != 0) { 11156 /* 11157 * Performance counter registers are not implemented other than 11158 * control register 0. 11159 */ 11160 generate_exception(ctx, EXCP_RI); 11161 } 11162 gen_helper_rdhwr_performance(t0, tcg_env); 11163 gen_store_gpr(t0, rt); 11164 break; 11165 case 5: 11166 check_insn(ctx, ISA_MIPS_R6); 11167 gen_helper_rdhwr_xnp(t0, tcg_env); 11168 gen_store_gpr(t0, rt); 11169 break; 11170 case 29: 11171 #if defined(CONFIG_USER_ONLY) 11172 tcg_gen_ld_tl(t0, tcg_env, 11173 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 11174 gen_store_gpr(t0, rt); 11175 break; 11176 #else 11177 if ((ctx->hflags & MIPS_HFLAG_CP0) || 11178 (ctx->hflags & MIPS_HFLAG_HWRENA_ULR)) { 11179 tcg_gen_ld_tl(t0, tcg_env, 11180 offsetof(CPUMIPSState, active_tc.CP0_UserLocal)); 11181 gen_store_gpr(t0, rt); 11182 } else { 11183 gen_reserved_instruction(ctx); 11184 } 11185 break; 11186 #endif 11187 default: /* Invalid */ 11188 MIPS_INVAL("rdhwr"); 11189 gen_reserved_instruction(ctx); 11190 break; 11191 } 11192 } 11193 11194 static inline void clear_branch_hflags(DisasContext *ctx) 11195 { 11196 ctx->hflags &= ~MIPS_HFLAG_BMASK; 11197 if (ctx->base.is_jmp == DISAS_NEXT) { 11198 save_cpu_state(ctx, 0); 11199 } else { 11200 /* 11201 * It is not safe to save ctx->hflags as hflags may be changed 11202 * in execution time by the instruction in delay / forbidden slot. 11203 */ 11204 tcg_gen_andi_i32(hflags, hflags, ~MIPS_HFLAG_BMASK); 11205 } 11206 } 11207 11208 static void gen_branch(DisasContext *ctx, int insn_bytes) 11209 { 11210 if (ctx->hflags & MIPS_HFLAG_BMASK) { 11211 int proc_hflags = ctx->hflags & MIPS_HFLAG_BMASK; 11212 /* Branches completion */ 11213 clear_branch_hflags(ctx); 11214 ctx->base.is_jmp = DISAS_NORETURN; 11215 switch (proc_hflags & MIPS_HFLAG_BMASK_BASE) { 11216 case MIPS_HFLAG_FBNSLOT: 11217 gen_goto_tb(ctx, 0, ctx->base.pc_next + insn_bytes); 11218 break; 11219 case MIPS_HFLAG_B: 11220 /* unconditional branch */ 11221 if (proc_hflags & MIPS_HFLAG_BX) { 11222 tcg_gen_xori_i32(hflags, hflags, MIPS_HFLAG_M16); 11223 } 11224 gen_goto_tb(ctx, 0, ctx->btarget); 11225 break; 11226 case MIPS_HFLAG_BL: 11227 /* blikely taken case */ 11228 gen_goto_tb(ctx, 0, ctx->btarget); 11229 break; 11230 case MIPS_HFLAG_BC: 11231 /* Conditional branch */ 11232 { 11233 TCGLabel *l1 = gen_new_label(); 11234 11235 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1); 11236 gen_goto_tb(ctx, 1, ctx->base.pc_next + insn_bytes); 11237 gen_set_label(l1); 11238 gen_goto_tb(ctx, 0, ctx->btarget); 11239 } 11240 break; 11241 case MIPS_HFLAG_BR: 11242 /* unconditional branch to register */ 11243 if (ctx->insn_flags & (ASE_MIPS16 | ASE_MICROMIPS)) { 11244 TCGv t0 = tcg_temp_new(); 11245 TCGv_i32 t1 = tcg_temp_new_i32(); 11246 11247 tcg_gen_andi_tl(t0, btarget, 0x1); 11248 tcg_gen_trunc_tl_i32(t1, t0); 11249 tcg_gen_andi_i32(hflags, hflags, ~(uint32_t)MIPS_HFLAG_M16); 11250 tcg_gen_shli_i32(t1, t1, MIPS_HFLAG_M16_SHIFT); 11251 tcg_gen_or_i32(hflags, hflags, t1); 11252 11253 tcg_gen_andi_tl(cpu_PC, btarget, ~(target_ulong)0x1); 11254 } else { 11255 tcg_gen_mov_tl(cpu_PC, btarget); 11256 } 11257 tcg_gen_lookup_and_goto_ptr(); 11258 break; 11259 default: 11260 LOG_DISAS("unknown branch 0x%x\n", proc_hflags); 11261 gen_reserved_instruction(ctx); 11262 } 11263 } 11264 } 11265 11266 /* Compact Branches */ 11267 static void gen_compute_compact_branch(DisasContext *ctx, uint32_t opc, 11268 int rs, int rt, int32_t offset) 11269 { 11270 int bcond_compute = 0; 11271 TCGv t0 = tcg_temp_new(); 11272 TCGv t1 = tcg_temp_new(); 11273 int m16_lowbit = (ctx->hflags & MIPS_HFLAG_M16) != 0; 11274 11275 if (ctx->hflags & MIPS_HFLAG_BMASK) { 11276 #ifdef MIPS_DEBUG_DISAS 11277 LOG_DISAS("Branch in delay / forbidden slot at PC 0x" TARGET_FMT_lx 11278 "\n", ctx->base.pc_next); 11279 #endif 11280 gen_reserved_instruction(ctx); 11281 return; 11282 } 11283 11284 /* Load needed operands and calculate btarget */ 11285 switch (opc) { 11286 /* compact branch */ 11287 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC */ 11288 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */ 11289 gen_load_gpr(t0, rs); 11290 gen_load_gpr(t1, rt); 11291 bcond_compute = 1; 11292 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11293 if (rs <= rt && rs == 0) { 11294 /* OPC_BEQZALC, OPC_BNEZALC */ 11295 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit); 11296 } 11297 break; 11298 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC */ 11299 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC */ 11300 gen_load_gpr(t0, rs); 11301 gen_load_gpr(t1, rt); 11302 bcond_compute = 1; 11303 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11304 break; 11305 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC */ 11306 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC */ 11307 if (rs == 0 || rs == rt) { 11308 /* OPC_BLEZALC, OPC_BGEZALC */ 11309 /* OPC_BGTZALC, OPC_BLTZALC */ 11310 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit); 11311 } 11312 gen_load_gpr(t0, rs); 11313 gen_load_gpr(t1, rt); 11314 bcond_compute = 1; 11315 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11316 break; 11317 case OPC_BC: 11318 case OPC_BALC: 11319 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11320 break; 11321 case OPC_BEQZC: 11322 case OPC_BNEZC: 11323 if (rs != 0) { 11324 /* OPC_BEQZC, OPC_BNEZC */ 11325 gen_load_gpr(t0, rs); 11326 bcond_compute = 1; 11327 ctx->btarget = addr_add(ctx, ctx->base.pc_next + 4, offset); 11328 } else { 11329 /* OPC_JIC, OPC_JIALC */ 11330 TCGv tbase = tcg_temp_new(); 11331 TCGv toffset = tcg_constant_tl(offset); 11332 11333 gen_load_gpr(tbase, rt); 11334 gen_op_addr_add(ctx, btarget, tbase, toffset); 11335 } 11336 break; 11337 default: 11338 MIPS_INVAL("Compact branch/jump"); 11339 gen_reserved_instruction(ctx); 11340 return; 11341 } 11342 11343 if (bcond_compute == 0) { 11344 /* Unconditional compact branch */ 11345 switch (opc) { 11346 case OPC_JIALC: 11347 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit); 11348 /* Fallthrough */ 11349 case OPC_JIC: 11350 ctx->hflags |= MIPS_HFLAG_BR; 11351 break; 11352 case OPC_BALC: 11353 tcg_gen_movi_tl(cpu_gpr[31], ctx->base.pc_next + 4 + m16_lowbit); 11354 /* Fallthrough */ 11355 case OPC_BC: 11356 ctx->hflags |= MIPS_HFLAG_B; 11357 break; 11358 default: 11359 MIPS_INVAL("Compact branch/jump"); 11360 gen_reserved_instruction(ctx); 11361 return; 11362 } 11363 11364 /* Generating branch here as compact branches don't have delay slot */ 11365 gen_branch(ctx, 4); 11366 } else { 11367 /* Conditional compact branch */ 11368 TCGLabel *fs = gen_new_label(); 11369 save_cpu_state(ctx, 0); 11370 11371 switch (opc) { 11372 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC */ 11373 if (rs == 0 && rt != 0) { 11374 /* OPC_BLEZALC */ 11375 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LE), t1, 0, fs); 11376 } else if (rs != 0 && rt != 0 && rs == rt) { 11377 /* OPC_BGEZALC */ 11378 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GE), t1, 0, fs); 11379 } else { 11380 /* OPC_BGEUC */ 11381 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_GEU), t0, t1, fs); 11382 } 11383 break; 11384 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC */ 11385 if (rs == 0 && rt != 0) { 11386 /* OPC_BGTZALC */ 11387 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GT), t1, 0, fs); 11388 } else if (rs != 0 && rt != 0 && rs == rt) { 11389 /* OPC_BLTZALC */ 11390 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LT), t1, 0, fs); 11391 } else { 11392 /* OPC_BLTUC */ 11393 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_LTU), t0, t1, fs); 11394 } 11395 break; 11396 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC */ 11397 if (rs == 0 && rt != 0) { 11398 /* OPC_BLEZC */ 11399 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LE), t1, 0, fs); 11400 } else if (rs != 0 && rt != 0 && rs == rt) { 11401 /* OPC_BGEZC */ 11402 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GE), t1, 0, fs); 11403 } else { 11404 /* OPC_BGEC */ 11405 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_GE), t0, t1, fs); 11406 } 11407 break; 11408 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC */ 11409 if (rs == 0 && rt != 0) { 11410 /* OPC_BGTZC */ 11411 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_GT), t1, 0, fs); 11412 } else if (rs != 0 && rt != 0 && rs == rt) { 11413 /* OPC_BLTZC */ 11414 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_LT), t1, 0, fs); 11415 } else { 11416 /* OPC_BLTC */ 11417 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_LT), t0, t1, fs); 11418 } 11419 break; 11420 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC */ 11421 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */ 11422 if (rs >= rt) { 11423 /* OPC_BOVC, OPC_BNVC */ 11424 TCGv t2 = tcg_temp_new(); 11425 TCGv t3 = tcg_temp_new(); 11426 TCGv t4 = tcg_temp_new(); 11427 TCGv input_overflow = tcg_temp_new(); 11428 11429 gen_load_gpr(t0, rs); 11430 gen_load_gpr(t1, rt); 11431 tcg_gen_ext32s_tl(t2, t0); 11432 tcg_gen_setcond_tl(TCG_COND_NE, input_overflow, t2, t0); 11433 tcg_gen_ext32s_tl(t3, t1); 11434 tcg_gen_setcond_tl(TCG_COND_NE, t4, t3, t1); 11435 tcg_gen_or_tl(input_overflow, input_overflow, t4); 11436 11437 tcg_gen_add_tl(t4, t2, t3); 11438 tcg_gen_ext32s_tl(t4, t4); 11439 tcg_gen_xor_tl(t2, t2, t3); 11440 tcg_gen_xor_tl(t3, t4, t3); 11441 tcg_gen_andc_tl(t2, t3, t2); 11442 tcg_gen_setcondi_tl(TCG_COND_LT, t4, t2, 0); 11443 tcg_gen_or_tl(t4, t4, input_overflow); 11444 if (opc == OPC_BOVC) { 11445 /* OPC_BOVC */ 11446 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t4, 0, fs); 11447 } else { 11448 /* OPC_BNVC */ 11449 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t4, 0, fs); 11450 } 11451 } else if (rs < rt && rs == 0) { 11452 /* OPC_BEQZALC, OPC_BNEZALC */ 11453 if (opc == OPC_BEQZALC) { 11454 /* OPC_BEQZALC */ 11455 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t1, 0, fs); 11456 } else { 11457 /* OPC_BNEZALC */ 11458 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t1, 0, fs); 11459 } 11460 } else { 11461 /* OPC_BEQC, OPC_BNEC */ 11462 if (opc == OPC_BEQC) { 11463 /* OPC_BEQC */ 11464 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_EQ), t0, t1, fs); 11465 } else { 11466 /* OPC_BNEC */ 11467 tcg_gen_brcond_tl(tcg_invert_cond(TCG_COND_NE), t0, t1, fs); 11468 } 11469 } 11470 break; 11471 case OPC_BEQZC: 11472 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_EQ), t0, 0, fs); 11473 break; 11474 case OPC_BNEZC: 11475 tcg_gen_brcondi_tl(tcg_invert_cond(TCG_COND_NE), t0, 0, fs); 11476 break; 11477 default: 11478 MIPS_INVAL("Compact conditional branch/jump"); 11479 gen_reserved_instruction(ctx); 11480 return; 11481 } 11482 11483 /* Generating branch here as compact branches don't have delay slot */ 11484 gen_goto_tb(ctx, 1, ctx->btarget); 11485 gen_set_label(fs); 11486 11487 ctx->hflags |= MIPS_HFLAG_FBNSLOT; 11488 } 11489 } 11490 11491 void gen_addiupc(DisasContext *ctx, int rx, int imm, 11492 int is_64_bit, int extended) 11493 { 11494 TCGv t0; 11495 11496 if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) { 11497 gen_reserved_instruction(ctx); 11498 return; 11499 } 11500 11501 t0 = tcg_temp_new(); 11502 11503 tcg_gen_movi_tl(t0, pc_relative_pc(ctx)); 11504 tcg_gen_addi_tl(cpu_gpr[rx], t0, imm); 11505 if (!is_64_bit) { 11506 tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]); 11507 } 11508 } 11509 11510 static void gen_cache_operation(DisasContext *ctx, uint32_t op, int base, 11511 int16_t offset) 11512 { 11513 TCGv_i32 t0 = tcg_constant_i32(op); 11514 TCGv t1 = tcg_temp_new(); 11515 gen_base_offset_addr(ctx, t1, base, offset); 11516 gen_helper_cache(tcg_env, t1, t0); 11517 } 11518 11519 static inline bool is_uhi(DisasContext *ctx, int sdbbp_code) 11520 { 11521 #ifdef CONFIG_USER_ONLY 11522 return false; 11523 #else 11524 bool is_user = (ctx->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM; 11525 return semihosting_enabled(is_user) && sdbbp_code == 1; 11526 #endif 11527 } 11528 11529 void gen_ldxs(DisasContext *ctx, int base, int index, int rd) 11530 { 11531 TCGv t0 = tcg_temp_new(); 11532 TCGv t1 = tcg_temp_new(); 11533 11534 gen_load_gpr(t0, base); 11535 11536 if (index != 0) { 11537 gen_load_gpr(t1, index); 11538 tcg_gen_shli_tl(t1, t1, 2); 11539 gen_op_addr_add(ctx, t0, t1, t0); 11540 } 11541 11542 tcg_gen_qemu_ld_tl(t1, t0, ctx->mem_idx, MO_TESL); 11543 gen_store_gpr(t1, rd); 11544 } 11545 11546 static void gen_sync(int stype) 11547 { 11548 TCGBar tcg_mo = TCG_BAR_SC; 11549 11550 switch (stype) { 11551 case 0x4: /* SYNC_WMB */ 11552 tcg_mo |= TCG_MO_ST_ST; 11553 break; 11554 case 0x10: /* SYNC_MB */ 11555 tcg_mo |= TCG_MO_ALL; 11556 break; 11557 case 0x11: /* SYNC_ACQUIRE */ 11558 tcg_mo |= TCG_MO_LD_LD | TCG_MO_LD_ST; 11559 break; 11560 case 0x12: /* SYNC_RELEASE */ 11561 tcg_mo |= TCG_MO_ST_ST | TCG_MO_LD_ST; 11562 break; 11563 case 0x13: /* SYNC_RMB */ 11564 tcg_mo |= TCG_MO_LD_LD; 11565 break; 11566 default: 11567 tcg_mo |= TCG_MO_ALL; 11568 break; 11569 } 11570 11571 tcg_gen_mb(tcg_mo); 11572 } 11573 11574 /* ISA extensions (ASEs) */ 11575 11576 /* MIPS16 extension to MIPS32 */ 11577 #include "mips16e_translate.c.inc" 11578 11579 /* microMIPS extension to MIPS32/MIPS64 */ 11580 11581 /* 11582 * Values for microMIPS fmt field. Variable-width, depending on which 11583 * formats the instruction supports. 11584 */ 11585 enum { 11586 FMT_SD_S = 0, 11587 FMT_SD_D = 1, 11588 11589 FMT_SDPS_S = 0, 11590 FMT_SDPS_D = 1, 11591 FMT_SDPS_PS = 2, 11592 11593 FMT_SWL_S = 0, 11594 FMT_SWL_W = 1, 11595 FMT_SWL_L = 2, 11596 11597 FMT_DWL_D = 0, 11598 FMT_DWL_W = 1, 11599 FMT_DWL_L = 2 11600 }; 11601 11602 #include "micromips_translate.c.inc" 11603 11604 #include "nanomips_translate.c.inc" 11605 11606 /* MIPSDSP functions. */ 11607 11608 /* Indexed load is not for DSP only */ 11609 static void gen_mips_lx(DisasContext *ctx, uint32_t opc, 11610 int rd, int base, int offset) 11611 { 11612 TCGv t0; 11613 11614 if (!(ctx->insn_flags & INSN_OCTEON)) { 11615 check_dsp(ctx); 11616 } 11617 t0 = tcg_temp_new(); 11618 11619 if (base == 0) { 11620 gen_load_gpr(t0, offset); 11621 } else if (offset == 0) { 11622 gen_load_gpr(t0, base); 11623 } else { 11624 gen_op_addr_add(ctx, t0, cpu_gpr[base], cpu_gpr[offset]); 11625 } 11626 11627 switch (opc) { 11628 case OPC_LBUX: 11629 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_UB); 11630 gen_store_gpr(t0, rd); 11631 break; 11632 case OPC_LHX: 11633 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESW); 11634 gen_store_gpr(t0, rd); 11635 break; 11636 case OPC_LWX: 11637 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TESL); 11638 gen_store_gpr(t0, rd); 11639 break; 11640 #if defined(TARGET_MIPS64) 11641 case OPC_LDX: 11642 tcg_gen_qemu_ld_tl(t0, t0, ctx->mem_idx, MO_TEUQ); 11643 gen_store_gpr(t0, rd); 11644 break; 11645 #endif 11646 } 11647 } 11648 11649 static void gen_mipsdsp_arith(DisasContext *ctx, uint32_t op1, uint32_t op2, 11650 int ret, int v1, int v2) 11651 { 11652 TCGv v1_t; 11653 TCGv v2_t; 11654 11655 if (ret == 0) { 11656 /* Treat as NOP. */ 11657 return; 11658 } 11659 11660 v1_t = tcg_temp_new(); 11661 v2_t = tcg_temp_new(); 11662 11663 gen_load_gpr(v1_t, v1); 11664 gen_load_gpr(v2_t, v2); 11665 11666 switch (op1) { 11667 /* OPC_MULT_G_2E is equal OPC_ADDUH_QB_DSP */ 11668 case OPC_MULT_G_2E: 11669 check_dsp_r2(ctx); 11670 switch (op2) { 11671 case OPC_ADDUH_QB: 11672 gen_helper_adduh_qb(cpu_gpr[ret], v1_t, v2_t); 11673 break; 11674 case OPC_ADDUH_R_QB: 11675 gen_helper_adduh_r_qb(cpu_gpr[ret], v1_t, v2_t); 11676 break; 11677 case OPC_ADDQH_PH: 11678 gen_helper_addqh_ph(cpu_gpr[ret], v1_t, v2_t); 11679 break; 11680 case OPC_ADDQH_R_PH: 11681 gen_helper_addqh_r_ph(cpu_gpr[ret], v1_t, v2_t); 11682 break; 11683 case OPC_ADDQH_W: 11684 gen_helper_addqh_w(cpu_gpr[ret], v1_t, v2_t); 11685 break; 11686 case OPC_ADDQH_R_W: 11687 gen_helper_addqh_r_w(cpu_gpr[ret], v1_t, v2_t); 11688 break; 11689 case OPC_SUBUH_QB: 11690 gen_helper_subuh_qb(cpu_gpr[ret], v1_t, v2_t); 11691 break; 11692 case OPC_SUBUH_R_QB: 11693 gen_helper_subuh_r_qb(cpu_gpr[ret], v1_t, v2_t); 11694 break; 11695 case OPC_SUBQH_PH: 11696 gen_helper_subqh_ph(cpu_gpr[ret], v1_t, v2_t); 11697 break; 11698 case OPC_SUBQH_R_PH: 11699 gen_helper_subqh_r_ph(cpu_gpr[ret], v1_t, v2_t); 11700 break; 11701 case OPC_SUBQH_W: 11702 gen_helper_subqh_w(cpu_gpr[ret], v1_t, v2_t); 11703 break; 11704 case OPC_SUBQH_R_W: 11705 gen_helper_subqh_r_w(cpu_gpr[ret], v1_t, v2_t); 11706 break; 11707 } 11708 break; 11709 case OPC_ABSQ_S_PH_DSP: 11710 switch (op2) { 11711 case OPC_ABSQ_S_QB: 11712 check_dsp_r2(ctx); 11713 gen_helper_absq_s_qb(cpu_gpr[ret], v2_t, tcg_env); 11714 break; 11715 case OPC_ABSQ_S_PH: 11716 check_dsp(ctx); 11717 gen_helper_absq_s_ph(cpu_gpr[ret], v2_t, tcg_env); 11718 break; 11719 case OPC_ABSQ_S_W: 11720 check_dsp(ctx); 11721 gen_helper_absq_s_w(cpu_gpr[ret], v2_t, tcg_env); 11722 break; 11723 case OPC_PRECEQ_W_PHL: 11724 check_dsp(ctx); 11725 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0xFFFF0000); 11726 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]); 11727 break; 11728 case OPC_PRECEQ_W_PHR: 11729 check_dsp(ctx); 11730 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0x0000FFFF); 11731 tcg_gen_shli_tl(cpu_gpr[ret], cpu_gpr[ret], 16); 11732 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]); 11733 break; 11734 case OPC_PRECEQU_PH_QBL: 11735 check_dsp(ctx); 11736 gen_helper_precequ_ph_qbl(cpu_gpr[ret], v2_t); 11737 break; 11738 case OPC_PRECEQU_PH_QBR: 11739 check_dsp(ctx); 11740 gen_helper_precequ_ph_qbr(cpu_gpr[ret], v2_t); 11741 break; 11742 case OPC_PRECEQU_PH_QBLA: 11743 check_dsp(ctx); 11744 gen_helper_precequ_ph_qbla(cpu_gpr[ret], v2_t); 11745 break; 11746 case OPC_PRECEQU_PH_QBRA: 11747 check_dsp(ctx); 11748 gen_helper_precequ_ph_qbra(cpu_gpr[ret], v2_t); 11749 break; 11750 case OPC_PRECEU_PH_QBL: 11751 check_dsp(ctx); 11752 gen_helper_preceu_ph_qbl(cpu_gpr[ret], v2_t); 11753 break; 11754 case OPC_PRECEU_PH_QBR: 11755 check_dsp(ctx); 11756 gen_helper_preceu_ph_qbr(cpu_gpr[ret], v2_t); 11757 break; 11758 case OPC_PRECEU_PH_QBLA: 11759 check_dsp(ctx); 11760 gen_helper_preceu_ph_qbla(cpu_gpr[ret], v2_t); 11761 break; 11762 case OPC_PRECEU_PH_QBRA: 11763 check_dsp(ctx); 11764 gen_helper_preceu_ph_qbra(cpu_gpr[ret], v2_t); 11765 break; 11766 } 11767 break; 11768 case OPC_ADDU_QB_DSP: 11769 switch (op2) { 11770 case OPC_ADDQ_PH: 11771 check_dsp(ctx); 11772 gen_helper_addq_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11773 break; 11774 case OPC_ADDQ_S_PH: 11775 check_dsp(ctx); 11776 gen_helper_addq_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11777 break; 11778 case OPC_ADDQ_S_W: 11779 check_dsp(ctx); 11780 gen_helper_addq_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11781 break; 11782 case OPC_ADDU_QB: 11783 check_dsp(ctx); 11784 gen_helper_addu_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11785 break; 11786 case OPC_ADDU_S_QB: 11787 check_dsp(ctx); 11788 gen_helper_addu_s_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11789 break; 11790 case OPC_ADDU_PH: 11791 check_dsp_r2(ctx); 11792 gen_helper_addu_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11793 break; 11794 case OPC_ADDU_S_PH: 11795 check_dsp_r2(ctx); 11796 gen_helper_addu_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11797 break; 11798 case OPC_SUBQ_PH: 11799 check_dsp(ctx); 11800 gen_helper_subq_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11801 break; 11802 case OPC_SUBQ_S_PH: 11803 check_dsp(ctx); 11804 gen_helper_subq_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11805 break; 11806 case OPC_SUBQ_S_W: 11807 check_dsp(ctx); 11808 gen_helper_subq_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11809 break; 11810 case OPC_SUBU_QB: 11811 check_dsp(ctx); 11812 gen_helper_subu_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11813 break; 11814 case OPC_SUBU_S_QB: 11815 check_dsp(ctx); 11816 gen_helper_subu_s_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11817 break; 11818 case OPC_SUBU_PH: 11819 check_dsp_r2(ctx); 11820 gen_helper_subu_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11821 break; 11822 case OPC_SUBU_S_PH: 11823 check_dsp_r2(ctx); 11824 gen_helper_subu_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11825 break; 11826 case OPC_ADDSC: 11827 check_dsp(ctx); 11828 gen_helper_addsc(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11829 break; 11830 case OPC_ADDWC: 11831 check_dsp(ctx); 11832 gen_helper_addwc(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11833 break; 11834 case OPC_MODSUB: 11835 check_dsp(ctx); 11836 gen_helper_modsub(cpu_gpr[ret], v1_t, v2_t); 11837 break; 11838 case OPC_RADDU_W_QB: 11839 check_dsp(ctx); 11840 gen_helper_raddu_w_qb(cpu_gpr[ret], v1_t); 11841 break; 11842 } 11843 break; 11844 case OPC_CMPU_EQ_QB_DSP: 11845 switch (op2) { 11846 case OPC_PRECR_QB_PH: 11847 check_dsp_r2(ctx); 11848 gen_helper_precr_qb_ph(cpu_gpr[ret], v1_t, v2_t); 11849 break; 11850 case OPC_PRECRQ_QB_PH: 11851 check_dsp(ctx); 11852 gen_helper_precrq_qb_ph(cpu_gpr[ret], v1_t, v2_t); 11853 break; 11854 case OPC_PRECR_SRA_PH_W: 11855 check_dsp_r2(ctx); 11856 { 11857 TCGv_i32 sa_t = tcg_constant_i32(v2); 11858 gen_helper_precr_sra_ph_w(cpu_gpr[ret], sa_t, v1_t, 11859 cpu_gpr[ret]); 11860 break; 11861 } 11862 case OPC_PRECR_SRA_R_PH_W: 11863 check_dsp_r2(ctx); 11864 { 11865 TCGv_i32 sa_t = tcg_constant_i32(v2); 11866 gen_helper_precr_sra_r_ph_w(cpu_gpr[ret], sa_t, v1_t, 11867 cpu_gpr[ret]); 11868 break; 11869 } 11870 case OPC_PRECRQ_PH_W: 11871 check_dsp(ctx); 11872 gen_helper_precrq_ph_w(cpu_gpr[ret], v1_t, v2_t); 11873 break; 11874 case OPC_PRECRQ_RS_PH_W: 11875 check_dsp(ctx); 11876 gen_helper_precrq_rs_ph_w(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11877 break; 11878 case OPC_PRECRQU_S_QB_PH: 11879 check_dsp(ctx); 11880 gen_helper_precrqu_s_qb_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11881 break; 11882 } 11883 break; 11884 #ifdef TARGET_MIPS64 11885 case OPC_ABSQ_S_QH_DSP: 11886 switch (op2) { 11887 case OPC_PRECEQ_L_PWL: 11888 check_dsp(ctx); 11889 tcg_gen_andi_tl(cpu_gpr[ret], v2_t, 0xFFFFFFFF00000000ull); 11890 break; 11891 case OPC_PRECEQ_L_PWR: 11892 check_dsp(ctx); 11893 tcg_gen_shli_tl(cpu_gpr[ret], v2_t, 32); 11894 break; 11895 case OPC_PRECEQ_PW_QHL: 11896 check_dsp(ctx); 11897 gen_helper_preceq_pw_qhl(cpu_gpr[ret], v2_t); 11898 break; 11899 case OPC_PRECEQ_PW_QHR: 11900 check_dsp(ctx); 11901 gen_helper_preceq_pw_qhr(cpu_gpr[ret], v2_t); 11902 break; 11903 case OPC_PRECEQ_PW_QHLA: 11904 check_dsp(ctx); 11905 gen_helper_preceq_pw_qhla(cpu_gpr[ret], v2_t); 11906 break; 11907 case OPC_PRECEQ_PW_QHRA: 11908 check_dsp(ctx); 11909 gen_helper_preceq_pw_qhra(cpu_gpr[ret], v2_t); 11910 break; 11911 case OPC_PRECEQU_QH_OBL: 11912 check_dsp(ctx); 11913 gen_helper_precequ_qh_obl(cpu_gpr[ret], v2_t); 11914 break; 11915 case OPC_PRECEQU_QH_OBR: 11916 check_dsp(ctx); 11917 gen_helper_precequ_qh_obr(cpu_gpr[ret], v2_t); 11918 break; 11919 case OPC_PRECEQU_QH_OBLA: 11920 check_dsp(ctx); 11921 gen_helper_precequ_qh_obla(cpu_gpr[ret], v2_t); 11922 break; 11923 case OPC_PRECEQU_QH_OBRA: 11924 check_dsp(ctx); 11925 gen_helper_precequ_qh_obra(cpu_gpr[ret], v2_t); 11926 break; 11927 case OPC_PRECEU_QH_OBL: 11928 check_dsp(ctx); 11929 gen_helper_preceu_qh_obl(cpu_gpr[ret], v2_t); 11930 break; 11931 case OPC_PRECEU_QH_OBR: 11932 check_dsp(ctx); 11933 gen_helper_preceu_qh_obr(cpu_gpr[ret], v2_t); 11934 break; 11935 case OPC_PRECEU_QH_OBLA: 11936 check_dsp(ctx); 11937 gen_helper_preceu_qh_obla(cpu_gpr[ret], v2_t); 11938 break; 11939 case OPC_PRECEU_QH_OBRA: 11940 check_dsp(ctx); 11941 gen_helper_preceu_qh_obra(cpu_gpr[ret], v2_t); 11942 break; 11943 case OPC_ABSQ_S_OB: 11944 check_dsp_r2(ctx); 11945 gen_helper_absq_s_ob(cpu_gpr[ret], v2_t, tcg_env); 11946 break; 11947 case OPC_ABSQ_S_PW: 11948 check_dsp(ctx); 11949 gen_helper_absq_s_pw(cpu_gpr[ret], v2_t, tcg_env); 11950 break; 11951 case OPC_ABSQ_S_QH: 11952 check_dsp(ctx); 11953 gen_helper_absq_s_qh(cpu_gpr[ret], v2_t, tcg_env); 11954 break; 11955 } 11956 break; 11957 case OPC_ADDU_OB_DSP: 11958 switch (op2) { 11959 case OPC_RADDU_L_OB: 11960 check_dsp(ctx); 11961 gen_helper_raddu_l_ob(cpu_gpr[ret], v1_t); 11962 break; 11963 case OPC_SUBQ_PW: 11964 check_dsp(ctx); 11965 gen_helper_subq_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11966 break; 11967 case OPC_SUBQ_S_PW: 11968 check_dsp(ctx); 11969 gen_helper_subq_s_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11970 break; 11971 case OPC_SUBQ_QH: 11972 check_dsp(ctx); 11973 gen_helper_subq_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11974 break; 11975 case OPC_SUBQ_S_QH: 11976 check_dsp(ctx); 11977 gen_helper_subq_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11978 break; 11979 case OPC_SUBU_OB: 11980 check_dsp(ctx); 11981 gen_helper_subu_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11982 break; 11983 case OPC_SUBU_S_OB: 11984 check_dsp(ctx); 11985 gen_helper_subu_s_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11986 break; 11987 case OPC_SUBU_QH: 11988 check_dsp_r2(ctx); 11989 gen_helper_subu_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11990 break; 11991 case OPC_SUBU_S_QH: 11992 check_dsp_r2(ctx); 11993 gen_helper_subu_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 11994 break; 11995 case OPC_SUBUH_OB: 11996 check_dsp_r2(ctx); 11997 gen_helper_subuh_ob(cpu_gpr[ret], v1_t, v2_t); 11998 break; 11999 case OPC_SUBUH_R_OB: 12000 check_dsp_r2(ctx); 12001 gen_helper_subuh_r_ob(cpu_gpr[ret], v1_t, v2_t); 12002 break; 12003 case OPC_ADDQ_PW: 12004 check_dsp(ctx); 12005 gen_helper_addq_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12006 break; 12007 case OPC_ADDQ_S_PW: 12008 check_dsp(ctx); 12009 gen_helper_addq_s_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12010 break; 12011 case OPC_ADDQ_QH: 12012 check_dsp(ctx); 12013 gen_helper_addq_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12014 break; 12015 case OPC_ADDQ_S_QH: 12016 check_dsp(ctx); 12017 gen_helper_addq_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12018 break; 12019 case OPC_ADDU_OB: 12020 check_dsp(ctx); 12021 gen_helper_addu_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12022 break; 12023 case OPC_ADDU_S_OB: 12024 check_dsp(ctx); 12025 gen_helper_addu_s_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12026 break; 12027 case OPC_ADDU_QH: 12028 check_dsp_r2(ctx); 12029 gen_helper_addu_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12030 break; 12031 case OPC_ADDU_S_QH: 12032 check_dsp_r2(ctx); 12033 gen_helper_addu_s_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12034 break; 12035 case OPC_ADDUH_OB: 12036 check_dsp_r2(ctx); 12037 gen_helper_adduh_ob(cpu_gpr[ret], v1_t, v2_t); 12038 break; 12039 case OPC_ADDUH_R_OB: 12040 check_dsp_r2(ctx); 12041 gen_helper_adduh_r_ob(cpu_gpr[ret], v1_t, v2_t); 12042 break; 12043 } 12044 break; 12045 case OPC_CMPU_EQ_OB_DSP: 12046 switch (op2) { 12047 case OPC_PRECR_OB_QH: 12048 check_dsp_r2(ctx); 12049 gen_helper_precr_ob_qh(cpu_gpr[ret], v1_t, v2_t); 12050 break; 12051 case OPC_PRECR_SRA_QH_PW: 12052 check_dsp_r2(ctx); 12053 { 12054 TCGv_i32 ret_t = tcg_constant_i32(ret); 12055 gen_helper_precr_sra_qh_pw(v2_t, v1_t, v2_t, ret_t); 12056 break; 12057 } 12058 case OPC_PRECR_SRA_R_QH_PW: 12059 check_dsp_r2(ctx); 12060 { 12061 TCGv_i32 sa_v = tcg_constant_i32(ret); 12062 gen_helper_precr_sra_r_qh_pw(v2_t, v1_t, v2_t, sa_v); 12063 break; 12064 } 12065 case OPC_PRECRQ_OB_QH: 12066 check_dsp(ctx); 12067 gen_helper_precrq_ob_qh(cpu_gpr[ret], v1_t, v2_t); 12068 break; 12069 case OPC_PRECRQ_PW_L: 12070 check_dsp(ctx); 12071 gen_helper_precrq_pw_l(cpu_gpr[ret], v1_t, v2_t); 12072 break; 12073 case OPC_PRECRQ_QH_PW: 12074 check_dsp(ctx); 12075 gen_helper_precrq_qh_pw(cpu_gpr[ret], v1_t, v2_t); 12076 break; 12077 case OPC_PRECRQ_RS_QH_PW: 12078 check_dsp(ctx); 12079 gen_helper_precrq_rs_qh_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12080 break; 12081 case OPC_PRECRQU_S_OB_QH: 12082 check_dsp(ctx); 12083 gen_helper_precrqu_s_ob_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12084 break; 12085 } 12086 break; 12087 #endif 12088 } 12089 } 12090 12091 static void gen_mipsdsp_shift(DisasContext *ctx, uint32_t opc, 12092 int ret, int v1, int v2) 12093 { 12094 uint32_t op2; 12095 TCGv t0; 12096 TCGv v1_t; 12097 TCGv v2_t; 12098 12099 if (ret == 0) { 12100 /* Treat as NOP. */ 12101 return; 12102 } 12103 12104 t0 = tcg_temp_new(); 12105 v1_t = tcg_temp_new(); 12106 v2_t = tcg_temp_new(); 12107 12108 tcg_gen_movi_tl(t0, v1); 12109 gen_load_gpr(v1_t, v1); 12110 gen_load_gpr(v2_t, v2); 12111 12112 switch (opc) { 12113 case OPC_SHLL_QB_DSP: 12114 { 12115 op2 = MASK_SHLL_QB(ctx->opcode); 12116 switch (op2) { 12117 case OPC_SHLL_QB: 12118 check_dsp(ctx); 12119 gen_helper_shll_qb(cpu_gpr[ret], t0, v2_t, tcg_env); 12120 break; 12121 case OPC_SHLLV_QB: 12122 check_dsp(ctx); 12123 gen_helper_shll_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12124 break; 12125 case OPC_SHLL_PH: 12126 check_dsp(ctx); 12127 gen_helper_shll_ph(cpu_gpr[ret], t0, v2_t, tcg_env); 12128 break; 12129 case OPC_SHLLV_PH: 12130 check_dsp(ctx); 12131 gen_helper_shll_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12132 break; 12133 case OPC_SHLL_S_PH: 12134 check_dsp(ctx); 12135 gen_helper_shll_s_ph(cpu_gpr[ret], t0, v2_t, tcg_env); 12136 break; 12137 case OPC_SHLLV_S_PH: 12138 check_dsp(ctx); 12139 gen_helper_shll_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12140 break; 12141 case OPC_SHLL_S_W: 12142 check_dsp(ctx); 12143 gen_helper_shll_s_w(cpu_gpr[ret], t0, v2_t, tcg_env); 12144 break; 12145 case OPC_SHLLV_S_W: 12146 check_dsp(ctx); 12147 gen_helper_shll_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12148 break; 12149 case OPC_SHRL_QB: 12150 check_dsp(ctx); 12151 gen_helper_shrl_qb(cpu_gpr[ret], t0, v2_t); 12152 break; 12153 case OPC_SHRLV_QB: 12154 check_dsp(ctx); 12155 gen_helper_shrl_qb(cpu_gpr[ret], v1_t, v2_t); 12156 break; 12157 case OPC_SHRL_PH: 12158 check_dsp_r2(ctx); 12159 gen_helper_shrl_ph(cpu_gpr[ret], t0, v2_t); 12160 break; 12161 case OPC_SHRLV_PH: 12162 check_dsp_r2(ctx); 12163 gen_helper_shrl_ph(cpu_gpr[ret], v1_t, v2_t); 12164 break; 12165 case OPC_SHRA_QB: 12166 check_dsp_r2(ctx); 12167 gen_helper_shra_qb(cpu_gpr[ret], t0, v2_t); 12168 break; 12169 case OPC_SHRA_R_QB: 12170 check_dsp_r2(ctx); 12171 gen_helper_shra_r_qb(cpu_gpr[ret], t0, v2_t); 12172 break; 12173 case OPC_SHRAV_QB: 12174 check_dsp_r2(ctx); 12175 gen_helper_shra_qb(cpu_gpr[ret], v1_t, v2_t); 12176 break; 12177 case OPC_SHRAV_R_QB: 12178 check_dsp_r2(ctx); 12179 gen_helper_shra_r_qb(cpu_gpr[ret], v1_t, v2_t); 12180 break; 12181 case OPC_SHRA_PH: 12182 check_dsp(ctx); 12183 gen_helper_shra_ph(cpu_gpr[ret], t0, v2_t); 12184 break; 12185 case OPC_SHRA_R_PH: 12186 check_dsp(ctx); 12187 gen_helper_shra_r_ph(cpu_gpr[ret], t0, v2_t); 12188 break; 12189 case OPC_SHRAV_PH: 12190 check_dsp(ctx); 12191 gen_helper_shra_ph(cpu_gpr[ret], v1_t, v2_t); 12192 break; 12193 case OPC_SHRAV_R_PH: 12194 check_dsp(ctx); 12195 gen_helper_shra_r_ph(cpu_gpr[ret], v1_t, v2_t); 12196 break; 12197 case OPC_SHRA_R_W: 12198 check_dsp(ctx); 12199 gen_helper_shra_r_w(cpu_gpr[ret], t0, v2_t); 12200 break; 12201 case OPC_SHRAV_R_W: 12202 check_dsp(ctx); 12203 gen_helper_shra_r_w(cpu_gpr[ret], v1_t, v2_t); 12204 break; 12205 default: /* Invalid */ 12206 MIPS_INVAL("MASK SHLL.QB"); 12207 gen_reserved_instruction(ctx); 12208 break; 12209 } 12210 break; 12211 } 12212 #ifdef TARGET_MIPS64 12213 case OPC_SHLL_OB_DSP: 12214 op2 = MASK_SHLL_OB(ctx->opcode); 12215 switch (op2) { 12216 case OPC_SHLL_PW: 12217 check_dsp(ctx); 12218 gen_helper_shll_pw(cpu_gpr[ret], v2_t, t0, tcg_env); 12219 break; 12220 case OPC_SHLLV_PW: 12221 check_dsp(ctx); 12222 gen_helper_shll_pw(cpu_gpr[ret], v2_t, v1_t, tcg_env); 12223 break; 12224 case OPC_SHLL_S_PW: 12225 check_dsp(ctx); 12226 gen_helper_shll_s_pw(cpu_gpr[ret], v2_t, t0, tcg_env); 12227 break; 12228 case OPC_SHLLV_S_PW: 12229 check_dsp(ctx); 12230 gen_helper_shll_s_pw(cpu_gpr[ret], v2_t, v1_t, tcg_env); 12231 break; 12232 case OPC_SHLL_OB: 12233 check_dsp(ctx); 12234 gen_helper_shll_ob(cpu_gpr[ret], v2_t, t0, tcg_env); 12235 break; 12236 case OPC_SHLLV_OB: 12237 check_dsp(ctx); 12238 gen_helper_shll_ob(cpu_gpr[ret], v2_t, v1_t, tcg_env); 12239 break; 12240 case OPC_SHLL_QH: 12241 check_dsp(ctx); 12242 gen_helper_shll_qh(cpu_gpr[ret], v2_t, t0, tcg_env); 12243 break; 12244 case OPC_SHLLV_QH: 12245 check_dsp(ctx); 12246 gen_helper_shll_qh(cpu_gpr[ret], v2_t, v1_t, tcg_env); 12247 break; 12248 case OPC_SHLL_S_QH: 12249 check_dsp(ctx); 12250 gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, t0, tcg_env); 12251 break; 12252 case OPC_SHLLV_S_QH: 12253 check_dsp(ctx); 12254 gen_helper_shll_s_qh(cpu_gpr[ret], v2_t, v1_t, tcg_env); 12255 break; 12256 case OPC_SHRA_OB: 12257 check_dsp_r2(ctx); 12258 gen_helper_shra_ob(cpu_gpr[ret], v2_t, t0); 12259 break; 12260 case OPC_SHRAV_OB: 12261 check_dsp_r2(ctx); 12262 gen_helper_shra_ob(cpu_gpr[ret], v2_t, v1_t); 12263 break; 12264 case OPC_SHRA_R_OB: 12265 check_dsp_r2(ctx); 12266 gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, t0); 12267 break; 12268 case OPC_SHRAV_R_OB: 12269 check_dsp_r2(ctx); 12270 gen_helper_shra_r_ob(cpu_gpr[ret], v2_t, v1_t); 12271 break; 12272 case OPC_SHRA_PW: 12273 check_dsp(ctx); 12274 gen_helper_shra_pw(cpu_gpr[ret], v2_t, t0); 12275 break; 12276 case OPC_SHRAV_PW: 12277 check_dsp(ctx); 12278 gen_helper_shra_pw(cpu_gpr[ret], v2_t, v1_t); 12279 break; 12280 case OPC_SHRA_R_PW: 12281 check_dsp(ctx); 12282 gen_helper_shra_r_pw(cpu_gpr[ret], v2_t, t0); 12283 break; 12284 case OPC_SHRAV_R_PW: 12285 check_dsp(ctx); 12286 gen_helper_shra_r_pw(cpu_gpr[ret], v2_t, v1_t); 12287 break; 12288 case OPC_SHRA_QH: 12289 check_dsp(ctx); 12290 gen_helper_shra_qh(cpu_gpr[ret], v2_t, t0); 12291 break; 12292 case OPC_SHRAV_QH: 12293 check_dsp(ctx); 12294 gen_helper_shra_qh(cpu_gpr[ret], v2_t, v1_t); 12295 break; 12296 case OPC_SHRA_R_QH: 12297 check_dsp(ctx); 12298 gen_helper_shra_r_qh(cpu_gpr[ret], v2_t, t0); 12299 break; 12300 case OPC_SHRAV_R_QH: 12301 check_dsp(ctx); 12302 gen_helper_shra_r_qh(cpu_gpr[ret], v2_t, v1_t); 12303 break; 12304 case OPC_SHRL_OB: 12305 check_dsp(ctx); 12306 gen_helper_shrl_ob(cpu_gpr[ret], v2_t, t0); 12307 break; 12308 case OPC_SHRLV_OB: 12309 check_dsp(ctx); 12310 gen_helper_shrl_ob(cpu_gpr[ret], v2_t, v1_t); 12311 break; 12312 case OPC_SHRL_QH: 12313 check_dsp_r2(ctx); 12314 gen_helper_shrl_qh(cpu_gpr[ret], v2_t, t0); 12315 break; 12316 case OPC_SHRLV_QH: 12317 check_dsp_r2(ctx); 12318 gen_helper_shrl_qh(cpu_gpr[ret], v2_t, v1_t); 12319 break; 12320 default: /* Invalid */ 12321 MIPS_INVAL("MASK SHLL.OB"); 12322 gen_reserved_instruction(ctx); 12323 break; 12324 } 12325 break; 12326 #endif 12327 } 12328 } 12329 12330 static void gen_mipsdsp_multiply(DisasContext *ctx, uint32_t op1, uint32_t op2, 12331 int ret, int v1, int v2, int check_ret) 12332 { 12333 TCGv_i32 t0; 12334 TCGv v1_t; 12335 TCGv v2_t; 12336 12337 if ((ret == 0) && (check_ret == 1)) { 12338 /* Treat as NOP. */ 12339 return; 12340 } 12341 12342 t0 = tcg_temp_new_i32(); 12343 v1_t = tcg_temp_new(); 12344 v2_t = tcg_temp_new(); 12345 12346 tcg_gen_movi_i32(t0, ret); 12347 gen_load_gpr(v1_t, v1); 12348 gen_load_gpr(v2_t, v2); 12349 12350 switch (op1) { 12351 /* 12352 * OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have 12353 * the same mask and op1. 12354 */ 12355 case OPC_MULT_G_2E: 12356 check_dsp_r2(ctx); 12357 switch (op2) { 12358 case OPC_MUL_PH: 12359 gen_helper_mul_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12360 break; 12361 case OPC_MUL_S_PH: 12362 gen_helper_mul_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12363 break; 12364 case OPC_MULQ_S_W: 12365 gen_helper_mulq_s_w(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12366 break; 12367 case OPC_MULQ_RS_W: 12368 gen_helper_mulq_rs_w(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12369 break; 12370 } 12371 break; 12372 case OPC_DPA_W_PH_DSP: 12373 switch (op2) { 12374 case OPC_DPAU_H_QBL: 12375 check_dsp(ctx); 12376 gen_helper_dpau_h_qbl(t0, v1_t, v2_t, tcg_env); 12377 break; 12378 case OPC_DPAU_H_QBR: 12379 check_dsp(ctx); 12380 gen_helper_dpau_h_qbr(t0, v1_t, v2_t, tcg_env); 12381 break; 12382 case OPC_DPSU_H_QBL: 12383 check_dsp(ctx); 12384 gen_helper_dpsu_h_qbl(t0, v1_t, v2_t, tcg_env); 12385 break; 12386 case OPC_DPSU_H_QBR: 12387 check_dsp(ctx); 12388 gen_helper_dpsu_h_qbr(t0, v1_t, v2_t, tcg_env); 12389 break; 12390 case OPC_DPA_W_PH: 12391 check_dsp_r2(ctx); 12392 gen_helper_dpa_w_ph(t0, v1_t, v2_t, tcg_env); 12393 break; 12394 case OPC_DPAX_W_PH: 12395 check_dsp_r2(ctx); 12396 gen_helper_dpax_w_ph(t0, v1_t, v2_t, tcg_env); 12397 break; 12398 case OPC_DPAQ_S_W_PH: 12399 check_dsp(ctx); 12400 gen_helper_dpaq_s_w_ph(t0, v1_t, v2_t, tcg_env); 12401 break; 12402 case OPC_DPAQX_S_W_PH: 12403 check_dsp_r2(ctx); 12404 gen_helper_dpaqx_s_w_ph(t0, v1_t, v2_t, tcg_env); 12405 break; 12406 case OPC_DPAQX_SA_W_PH: 12407 check_dsp_r2(ctx); 12408 gen_helper_dpaqx_sa_w_ph(t0, v1_t, v2_t, tcg_env); 12409 break; 12410 case OPC_DPS_W_PH: 12411 check_dsp_r2(ctx); 12412 gen_helper_dps_w_ph(t0, v1_t, v2_t, tcg_env); 12413 break; 12414 case OPC_DPSX_W_PH: 12415 check_dsp_r2(ctx); 12416 gen_helper_dpsx_w_ph(t0, v1_t, v2_t, tcg_env); 12417 break; 12418 case OPC_DPSQ_S_W_PH: 12419 check_dsp(ctx); 12420 gen_helper_dpsq_s_w_ph(t0, v1_t, v2_t, tcg_env); 12421 break; 12422 case OPC_DPSQX_S_W_PH: 12423 check_dsp_r2(ctx); 12424 gen_helper_dpsqx_s_w_ph(t0, v1_t, v2_t, tcg_env); 12425 break; 12426 case OPC_DPSQX_SA_W_PH: 12427 check_dsp_r2(ctx); 12428 gen_helper_dpsqx_sa_w_ph(t0, v1_t, v2_t, tcg_env); 12429 break; 12430 case OPC_MULSAQ_S_W_PH: 12431 check_dsp(ctx); 12432 gen_helper_mulsaq_s_w_ph(t0, v1_t, v2_t, tcg_env); 12433 break; 12434 case OPC_DPAQ_SA_L_W: 12435 check_dsp(ctx); 12436 gen_helper_dpaq_sa_l_w(t0, v1_t, v2_t, tcg_env); 12437 break; 12438 case OPC_DPSQ_SA_L_W: 12439 check_dsp(ctx); 12440 gen_helper_dpsq_sa_l_w(t0, v1_t, v2_t, tcg_env); 12441 break; 12442 case OPC_MAQ_S_W_PHL: 12443 check_dsp(ctx); 12444 gen_helper_maq_s_w_phl(t0, v1_t, v2_t, tcg_env); 12445 break; 12446 case OPC_MAQ_S_W_PHR: 12447 check_dsp(ctx); 12448 gen_helper_maq_s_w_phr(t0, v1_t, v2_t, tcg_env); 12449 break; 12450 case OPC_MAQ_SA_W_PHL: 12451 check_dsp(ctx); 12452 gen_helper_maq_sa_w_phl(t0, v1_t, v2_t, tcg_env); 12453 break; 12454 case OPC_MAQ_SA_W_PHR: 12455 check_dsp(ctx); 12456 gen_helper_maq_sa_w_phr(t0, v1_t, v2_t, tcg_env); 12457 break; 12458 case OPC_MULSA_W_PH: 12459 check_dsp_r2(ctx); 12460 gen_helper_mulsa_w_ph(t0, v1_t, v2_t, tcg_env); 12461 break; 12462 } 12463 break; 12464 #ifdef TARGET_MIPS64 12465 case OPC_DPAQ_W_QH_DSP: 12466 { 12467 int ac = ret & 0x03; 12468 tcg_gen_movi_i32(t0, ac); 12469 12470 switch (op2) { 12471 case OPC_DMADD: 12472 check_dsp(ctx); 12473 gen_helper_dmadd(v1_t, v2_t, t0, tcg_env); 12474 break; 12475 case OPC_DMADDU: 12476 check_dsp(ctx); 12477 gen_helper_dmaddu(v1_t, v2_t, t0, tcg_env); 12478 break; 12479 case OPC_DMSUB: 12480 check_dsp(ctx); 12481 gen_helper_dmsub(v1_t, v2_t, t0, tcg_env); 12482 break; 12483 case OPC_DMSUBU: 12484 check_dsp(ctx); 12485 gen_helper_dmsubu(v1_t, v2_t, t0, tcg_env); 12486 break; 12487 case OPC_DPA_W_QH: 12488 check_dsp_r2(ctx); 12489 gen_helper_dpa_w_qh(v1_t, v2_t, t0, tcg_env); 12490 break; 12491 case OPC_DPAQ_S_W_QH: 12492 check_dsp(ctx); 12493 gen_helper_dpaq_s_w_qh(v1_t, v2_t, t0, tcg_env); 12494 break; 12495 case OPC_DPAQ_SA_L_PW: 12496 check_dsp(ctx); 12497 gen_helper_dpaq_sa_l_pw(v1_t, v2_t, t0, tcg_env); 12498 break; 12499 case OPC_DPAU_H_OBL: 12500 check_dsp(ctx); 12501 gen_helper_dpau_h_obl(v1_t, v2_t, t0, tcg_env); 12502 break; 12503 case OPC_DPAU_H_OBR: 12504 check_dsp(ctx); 12505 gen_helper_dpau_h_obr(v1_t, v2_t, t0, tcg_env); 12506 break; 12507 case OPC_DPS_W_QH: 12508 check_dsp_r2(ctx); 12509 gen_helper_dps_w_qh(v1_t, v2_t, t0, tcg_env); 12510 break; 12511 case OPC_DPSQ_S_W_QH: 12512 check_dsp(ctx); 12513 gen_helper_dpsq_s_w_qh(v1_t, v2_t, t0, tcg_env); 12514 break; 12515 case OPC_DPSQ_SA_L_PW: 12516 check_dsp(ctx); 12517 gen_helper_dpsq_sa_l_pw(v1_t, v2_t, t0, tcg_env); 12518 break; 12519 case OPC_DPSU_H_OBL: 12520 check_dsp(ctx); 12521 gen_helper_dpsu_h_obl(v1_t, v2_t, t0, tcg_env); 12522 break; 12523 case OPC_DPSU_H_OBR: 12524 check_dsp(ctx); 12525 gen_helper_dpsu_h_obr(v1_t, v2_t, t0, tcg_env); 12526 break; 12527 case OPC_MAQ_S_L_PWL: 12528 check_dsp(ctx); 12529 gen_helper_maq_s_l_pwl(v1_t, v2_t, t0, tcg_env); 12530 break; 12531 case OPC_MAQ_S_L_PWR: 12532 check_dsp(ctx); 12533 gen_helper_maq_s_l_pwr(v1_t, v2_t, t0, tcg_env); 12534 break; 12535 case OPC_MAQ_S_W_QHLL: 12536 check_dsp(ctx); 12537 gen_helper_maq_s_w_qhll(v1_t, v2_t, t0, tcg_env); 12538 break; 12539 case OPC_MAQ_SA_W_QHLL: 12540 check_dsp(ctx); 12541 gen_helper_maq_sa_w_qhll(v1_t, v2_t, t0, tcg_env); 12542 break; 12543 case OPC_MAQ_S_W_QHLR: 12544 check_dsp(ctx); 12545 gen_helper_maq_s_w_qhlr(v1_t, v2_t, t0, tcg_env); 12546 break; 12547 case OPC_MAQ_SA_W_QHLR: 12548 check_dsp(ctx); 12549 gen_helper_maq_sa_w_qhlr(v1_t, v2_t, t0, tcg_env); 12550 break; 12551 case OPC_MAQ_S_W_QHRL: 12552 check_dsp(ctx); 12553 gen_helper_maq_s_w_qhrl(v1_t, v2_t, t0, tcg_env); 12554 break; 12555 case OPC_MAQ_SA_W_QHRL: 12556 check_dsp(ctx); 12557 gen_helper_maq_sa_w_qhrl(v1_t, v2_t, t0, tcg_env); 12558 break; 12559 case OPC_MAQ_S_W_QHRR: 12560 check_dsp(ctx); 12561 gen_helper_maq_s_w_qhrr(v1_t, v2_t, t0, tcg_env); 12562 break; 12563 case OPC_MAQ_SA_W_QHRR: 12564 check_dsp(ctx); 12565 gen_helper_maq_sa_w_qhrr(v1_t, v2_t, t0, tcg_env); 12566 break; 12567 case OPC_MULSAQ_S_L_PW: 12568 check_dsp(ctx); 12569 gen_helper_mulsaq_s_l_pw(v1_t, v2_t, t0, tcg_env); 12570 break; 12571 case OPC_MULSAQ_S_W_QH: 12572 check_dsp(ctx); 12573 gen_helper_mulsaq_s_w_qh(v1_t, v2_t, t0, tcg_env); 12574 break; 12575 } 12576 } 12577 break; 12578 #endif 12579 case OPC_ADDU_QB_DSP: 12580 switch (op2) { 12581 case OPC_MULEU_S_PH_QBL: 12582 check_dsp(ctx); 12583 gen_helper_muleu_s_ph_qbl(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12584 break; 12585 case OPC_MULEU_S_PH_QBR: 12586 check_dsp(ctx); 12587 gen_helper_muleu_s_ph_qbr(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12588 break; 12589 case OPC_MULQ_RS_PH: 12590 check_dsp(ctx); 12591 gen_helper_mulq_rs_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12592 break; 12593 case OPC_MULEQ_S_W_PHL: 12594 check_dsp(ctx); 12595 gen_helper_muleq_s_w_phl(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12596 break; 12597 case OPC_MULEQ_S_W_PHR: 12598 check_dsp(ctx); 12599 gen_helper_muleq_s_w_phr(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12600 break; 12601 case OPC_MULQ_S_PH: 12602 check_dsp_r2(ctx); 12603 gen_helper_mulq_s_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12604 break; 12605 } 12606 break; 12607 #ifdef TARGET_MIPS64 12608 case OPC_ADDU_OB_DSP: 12609 switch (op2) { 12610 case OPC_MULEQ_S_PW_QHL: 12611 check_dsp(ctx); 12612 gen_helper_muleq_s_pw_qhl(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12613 break; 12614 case OPC_MULEQ_S_PW_QHR: 12615 check_dsp(ctx); 12616 gen_helper_muleq_s_pw_qhr(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12617 break; 12618 case OPC_MULEU_S_QH_OBL: 12619 check_dsp(ctx); 12620 gen_helper_muleu_s_qh_obl(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12621 break; 12622 case OPC_MULEU_S_QH_OBR: 12623 check_dsp(ctx); 12624 gen_helper_muleu_s_qh_obr(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12625 break; 12626 case OPC_MULQ_RS_QH: 12627 check_dsp(ctx); 12628 gen_helper_mulq_rs_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12629 break; 12630 } 12631 break; 12632 #endif 12633 } 12634 } 12635 12636 static void gen_mipsdsp_bitinsn(DisasContext *ctx, uint32_t op1, uint32_t op2, 12637 int ret, int val) 12638 { 12639 int16_t imm; 12640 TCGv t0; 12641 TCGv val_t; 12642 12643 if (ret == 0) { 12644 /* Treat as NOP. */ 12645 return; 12646 } 12647 12648 t0 = tcg_temp_new(); 12649 val_t = tcg_temp_new(); 12650 gen_load_gpr(val_t, val); 12651 12652 switch (op1) { 12653 case OPC_ABSQ_S_PH_DSP: 12654 switch (op2) { 12655 case OPC_BITREV: 12656 check_dsp(ctx); 12657 gen_helper_bitrev(cpu_gpr[ret], val_t); 12658 break; 12659 case OPC_REPL_QB: 12660 check_dsp(ctx); 12661 { 12662 target_long result; 12663 imm = (ctx->opcode >> 16) & 0xFF; 12664 result = (uint32_t)imm << 24 | 12665 (uint32_t)imm << 16 | 12666 (uint32_t)imm << 8 | 12667 (uint32_t)imm; 12668 result = (int32_t)result; 12669 tcg_gen_movi_tl(cpu_gpr[ret], result); 12670 } 12671 break; 12672 case OPC_REPLV_QB: 12673 check_dsp(ctx); 12674 tcg_gen_ext8u_tl(cpu_gpr[ret], val_t); 12675 tcg_gen_shli_tl(t0, cpu_gpr[ret], 8); 12676 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12677 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16); 12678 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12679 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]); 12680 break; 12681 case OPC_REPL_PH: 12682 check_dsp(ctx); 12683 { 12684 imm = (ctx->opcode >> 16) & 0x03FF; 12685 imm = (int16_t)(imm << 6) >> 6; 12686 tcg_gen_movi_tl(cpu_gpr[ret], \ 12687 (target_long)((int32_t)imm << 16 | \ 12688 (uint16_t)imm)); 12689 } 12690 break; 12691 case OPC_REPLV_PH: 12692 check_dsp(ctx); 12693 tcg_gen_ext16u_tl(cpu_gpr[ret], val_t); 12694 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16); 12695 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12696 tcg_gen_ext32s_tl(cpu_gpr[ret], cpu_gpr[ret]); 12697 break; 12698 } 12699 break; 12700 #ifdef TARGET_MIPS64 12701 case OPC_ABSQ_S_QH_DSP: 12702 switch (op2) { 12703 case OPC_REPL_OB: 12704 check_dsp(ctx); 12705 { 12706 target_long temp; 12707 12708 imm = (ctx->opcode >> 16) & 0xFF; 12709 temp = ((uint64_t)imm << 8) | (uint64_t)imm; 12710 temp = (temp << 16) | temp; 12711 temp = (temp << 32) | temp; 12712 tcg_gen_movi_tl(cpu_gpr[ret], temp); 12713 break; 12714 } 12715 case OPC_REPL_PW: 12716 check_dsp(ctx); 12717 { 12718 target_long temp; 12719 12720 imm = (ctx->opcode >> 16) & 0x03FF; 12721 imm = (int16_t)(imm << 6) >> 6; 12722 temp = ((target_long)imm << 32) \ 12723 | ((target_long)imm & 0xFFFFFFFF); 12724 tcg_gen_movi_tl(cpu_gpr[ret], temp); 12725 break; 12726 } 12727 case OPC_REPL_QH: 12728 check_dsp(ctx); 12729 { 12730 target_long temp; 12731 12732 imm = (ctx->opcode >> 16) & 0x03FF; 12733 imm = (int16_t)(imm << 6) >> 6; 12734 12735 temp = ((uint64_t)(uint16_t)imm << 48) | 12736 ((uint64_t)(uint16_t)imm << 32) | 12737 ((uint64_t)(uint16_t)imm << 16) | 12738 (uint64_t)(uint16_t)imm; 12739 tcg_gen_movi_tl(cpu_gpr[ret], temp); 12740 break; 12741 } 12742 case OPC_REPLV_OB: 12743 check_dsp(ctx); 12744 tcg_gen_ext8u_tl(cpu_gpr[ret], val_t); 12745 tcg_gen_shli_tl(t0, cpu_gpr[ret], 8); 12746 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12747 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16); 12748 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12749 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32); 12750 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12751 break; 12752 case OPC_REPLV_PW: 12753 check_dsp(ctx); 12754 tcg_gen_ext32u_i64(cpu_gpr[ret], val_t); 12755 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32); 12756 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12757 break; 12758 case OPC_REPLV_QH: 12759 check_dsp(ctx); 12760 tcg_gen_ext16u_tl(cpu_gpr[ret], val_t); 12761 tcg_gen_shli_tl(t0, cpu_gpr[ret], 16); 12762 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12763 tcg_gen_shli_tl(t0, cpu_gpr[ret], 32); 12764 tcg_gen_or_tl(cpu_gpr[ret], cpu_gpr[ret], t0); 12765 break; 12766 } 12767 break; 12768 #endif 12769 } 12770 } 12771 12772 static void gen_mipsdsp_add_cmp_pick(DisasContext *ctx, 12773 uint32_t op1, uint32_t op2, 12774 int ret, int v1, int v2, int check_ret) 12775 { 12776 TCGv t1; 12777 TCGv v1_t; 12778 TCGv v2_t; 12779 12780 if ((ret == 0) && (check_ret == 1)) { 12781 /* Treat as NOP. */ 12782 return; 12783 } 12784 12785 t1 = tcg_temp_new(); 12786 v1_t = tcg_temp_new(); 12787 v2_t = tcg_temp_new(); 12788 12789 gen_load_gpr(v1_t, v1); 12790 gen_load_gpr(v2_t, v2); 12791 12792 switch (op1) { 12793 case OPC_CMPU_EQ_QB_DSP: 12794 switch (op2) { 12795 case OPC_CMPU_EQ_QB: 12796 check_dsp(ctx); 12797 gen_helper_cmpu_eq_qb(v1_t, v2_t, tcg_env); 12798 break; 12799 case OPC_CMPU_LT_QB: 12800 check_dsp(ctx); 12801 gen_helper_cmpu_lt_qb(v1_t, v2_t, tcg_env); 12802 break; 12803 case OPC_CMPU_LE_QB: 12804 check_dsp(ctx); 12805 gen_helper_cmpu_le_qb(v1_t, v2_t, tcg_env); 12806 break; 12807 case OPC_CMPGU_EQ_QB: 12808 check_dsp(ctx); 12809 gen_helper_cmpgu_eq_qb(cpu_gpr[ret], v1_t, v2_t); 12810 break; 12811 case OPC_CMPGU_LT_QB: 12812 check_dsp(ctx); 12813 gen_helper_cmpgu_lt_qb(cpu_gpr[ret], v1_t, v2_t); 12814 break; 12815 case OPC_CMPGU_LE_QB: 12816 check_dsp(ctx); 12817 gen_helper_cmpgu_le_qb(cpu_gpr[ret], v1_t, v2_t); 12818 break; 12819 case OPC_CMPGDU_EQ_QB: 12820 check_dsp_r2(ctx); 12821 gen_helper_cmpgu_eq_qb(t1, v1_t, v2_t); 12822 tcg_gen_mov_tl(cpu_gpr[ret], t1); 12823 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF); 12824 tcg_gen_shli_tl(t1, t1, 24); 12825 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1); 12826 break; 12827 case OPC_CMPGDU_LT_QB: 12828 check_dsp_r2(ctx); 12829 gen_helper_cmpgu_lt_qb(t1, v1_t, v2_t); 12830 tcg_gen_mov_tl(cpu_gpr[ret], t1); 12831 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF); 12832 tcg_gen_shli_tl(t1, t1, 24); 12833 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1); 12834 break; 12835 case OPC_CMPGDU_LE_QB: 12836 check_dsp_r2(ctx); 12837 gen_helper_cmpgu_le_qb(t1, v1_t, v2_t); 12838 tcg_gen_mov_tl(cpu_gpr[ret], t1); 12839 tcg_gen_andi_tl(cpu_dspctrl, cpu_dspctrl, 0xF0FFFFFF); 12840 tcg_gen_shli_tl(t1, t1, 24); 12841 tcg_gen_or_tl(cpu_dspctrl, cpu_dspctrl, t1); 12842 break; 12843 case OPC_CMP_EQ_PH: 12844 check_dsp(ctx); 12845 gen_helper_cmp_eq_ph(v1_t, v2_t, tcg_env); 12846 break; 12847 case OPC_CMP_LT_PH: 12848 check_dsp(ctx); 12849 gen_helper_cmp_lt_ph(v1_t, v2_t, tcg_env); 12850 break; 12851 case OPC_CMP_LE_PH: 12852 check_dsp(ctx); 12853 gen_helper_cmp_le_ph(v1_t, v2_t, tcg_env); 12854 break; 12855 case OPC_PICK_QB: 12856 check_dsp(ctx); 12857 gen_helper_pick_qb(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12858 break; 12859 case OPC_PICK_PH: 12860 check_dsp(ctx); 12861 gen_helper_pick_ph(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12862 break; 12863 case OPC_PACKRL_PH: 12864 check_dsp(ctx); 12865 gen_helper_packrl_ph(cpu_gpr[ret], v1_t, v2_t); 12866 break; 12867 } 12868 break; 12869 #ifdef TARGET_MIPS64 12870 case OPC_CMPU_EQ_OB_DSP: 12871 switch (op2) { 12872 case OPC_CMP_EQ_PW: 12873 check_dsp(ctx); 12874 gen_helper_cmp_eq_pw(v1_t, v2_t, tcg_env); 12875 break; 12876 case OPC_CMP_LT_PW: 12877 check_dsp(ctx); 12878 gen_helper_cmp_lt_pw(v1_t, v2_t, tcg_env); 12879 break; 12880 case OPC_CMP_LE_PW: 12881 check_dsp(ctx); 12882 gen_helper_cmp_le_pw(v1_t, v2_t, tcg_env); 12883 break; 12884 case OPC_CMP_EQ_QH: 12885 check_dsp(ctx); 12886 gen_helper_cmp_eq_qh(v1_t, v2_t, tcg_env); 12887 break; 12888 case OPC_CMP_LT_QH: 12889 check_dsp(ctx); 12890 gen_helper_cmp_lt_qh(v1_t, v2_t, tcg_env); 12891 break; 12892 case OPC_CMP_LE_QH: 12893 check_dsp(ctx); 12894 gen_helper_cmp_le_qh(v1_t, v2_t, tcg_env); 12895 break; 12896 case OPC_CMPGDU_EQ_OB: 12897 check_dsp_r2(ctx); 12898 gen_helper_cmpgdu_eq_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12899 break; 12900 case OPC_CMPGDU_LT_OB: 12901 check_dsp_r2(ctx); 12902 gen_helper_cmpgdu_lt_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12903 break; 12904 case OPC_CMPGDU_LE_OB: 12905 check_dsp_r2(ctx); 12906 gen_helper_cmpgdu_le_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12907 break; 12908 case OPC_CMPGU_EQ_OB: 12909 check_dsp(ctx); 12910 gen_helper_cmpgu_eq_ob(cpu_gpr[ret], v1_t, v2_t); 12911 break; 12912 case OPC_CMPGU_LT_OB: 12913 check_dsp(ctx); 12914 gen_helper_cmpgu_lt_ob(cpu_gpr[ret], v1_t, v2_t); 12915 break; 12916 case OPC_CMPGU_LE_OB: 12917 check_dsp(ctx); 12918 gen_helper_cmpgu_le_ob(cpu_gpr[ret], v1_t, v2_t); 12919 break; 12920 case OPC_CMPU_EQ_OB: 12921 check_dsp(ctx); 12922 gen_helper_cmpu_eq_ob(v1_t, v2_t, tcg_env); 12923 break; 12924 case OPC_CMPU_LT_OB: 12925 check_dsp(ctx); 12926 gen_helper_cmpu_lt_ob(v1_t, v2_t, tcg_env); 12927 break; 12928 case OPC_CMPU_LE_OB: 12929 check_dsp(ctx); 12930 gen_helper_cmpu_le_ob(v1_t, v2_t, tcg_env); 12931 break; 12932 case OPC_PACKRL_PW: 12933 check_dsp(ctx); 12934 gen_helper_packrl_pw(cpu_gpr[ret], v1_t, v2_t); 12935 break; 12936 case OPC_PICK_OB: 12937 check_dsp(ctx); 12938 gen_helper_pick_ob(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12939 break; 12940 case OPC_PICK_PW: 12941 check_dsp(ctx); 12942 gen_helper_pick_pw(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12943 break; 12944 case OPC_PICK_QH: 12945 check_dsp(ctx); 12946 gen_helper_pick_qh(cpu_gpr[ret], v1_t, v2_t, tcg_env); 12947 break; 12948 } 12949 break; 12950 #endif 12951 } 12952 } 12953 12954 static void gen_mipsdsp_append(CPUMIPSState *env, DisasContext *ctx, 12955 uint32_t op1, int rt, int rs, int sa) 12956 { 12957 TCGv t0; 12958 12959 check_dsp_r2(ctx); 12960 12961 if (rt == 0) { 12962 /* Treat as NOP. */ 12963 return; 12964 } 12965 12966 t0 = tcg_temp_new(); 12967 gen_load_gpr(t0, rs); 12968 12969 switch (op1) { 12970 case OPC_APPEND_DSP: 12971 switch (MASK_APPEND(ctx->opcode)) { 12972 case OPC_APPEND: 12973 if (sa != 0) { 12974 tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], sa, 32 - sa); 12975 } 12976 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 12977 break; 12978 case OPC_PREPEND: 12979 if (sa != 0) { 12980 tcg_gen_ext32u_tl(cpu_gpr[rt], cpu_gpr[rt]); 12981 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], sa); 12982 tcg_gen_shli_tl(t0, t0, 32 - sa); 12983 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0); 12984 } 12985 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 12986 break; 12987 case OPC_BALIGN: 12988 sa &= 3; 12989 if (sa != 0 && sa != 2) { 12990 tcg_gen_shli_tl(cpu_gpr[rt], cpu_gpr[rt], 8 * sa); 12991 tcg_gen_ext32u_tl(t0, t0); 12992 tcg_gen_shri_tl(t0, t0, 8 * (4 - sa)); 12993 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0); 12994 } 12995 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]); 12996 break; 12997 default: /* Invalid */ 12998 MIPS_INVAL("MASK APPEND"); 12999 gen_reserved_instruction(ctx); 13000 break; 13001 } 13002 break; 13003 #ifdef TARGET_MIPS64 13004 case OPC_DAPPEND_DSP: 13005 switch (MASK_DAPPEND(ctx->opcode)) { 13006 case OPC_DAPPEND: 13007 if (sa != 0) { 13008 tcg_gen_deposit_tl(cpu_gpr[rt], t0, cpu_gpr[rt], sa, 64 - sa); 13009 } 13010 break; 13011 case OPC_PREPENDD: 13012 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], 0x20 | sa); 13013 tcg_gen_shli_tl(t0, t0, 64 - (0x20 | sa)); 13014 tcg_gen_or_tl(cpu_gpr[rt], t0, t0); 13015 break; 13016 case OPC_PREPENDW: 13017 if (sa != 0) { 13018 tcg_gen_shri_tl(cpu_gpr[rt], cpu_gpr[rt], sa); 13019 tcg_gen_shli_tl(t0, t0, 64 - sa); 13020 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0); 13021 } 13022 break; 13023 case OPC_DBALIGN: 13024 sa &= 7; 13025 if (sa != 0 && sa != 2 && sa != 4) { 13026 tcg_gen_shli_tl(cpu_gpr[rt], cpu_gpr[rt], 8 * sa); 13027 tcg_gen_shri_tl(t0, t0, 8 * (8 - sa)); 13028 tcg_gen_or_tl(cpu_gpr[rt], cpu_gpr[rt], t0); 13029 } 13030 break; 13031 default: /* Invalid */ 13032 MIPS_INVAL("MASK DAPPEND"); 13033 gen_reserved_instruction(ctx); 13034 break; 13035 } 13036 break; 13037 #endif 13038 } 13039 } 13040 13041 static void gen_mipsdsp_accinsn(DisasContext *ctx, uint32_t op1, uint32_t op2, 13042 int ret, int v1, int v2, int check_ret) 13043 13044 { 13045 TCGv t0; 13046 TCGv t1; 13047 TCGv v1_t; 13048 int16_t imm; 13049 13050 if ((ret == 0) && (check_ret == 1)) { 13051 /* Treat as NOP. */ 13052 return; 13053 } 13054 13055 t0 = tcg_temp_new(); 13056 t1 = tcg_temp_new(); 13057 v1_t = tcg_temp_new(); 13058 13059 gen_load_gpr(v1_t, v1); 13060 13061 switch (op1) { 13062 case OPC_EXTR_W_DSP: 13063 check_dsp(ctx); 13064 switch (op2) { 13065 case OPC_EXTR_W: 13066 tcg_gen_movi_tl(t0, v2); 13067 tcg_gen_movi_tl(t1, v1); 13068 gen_helper_extr_w(cpu_gpr[ret], t0, t1, tcg_env); 13069 break; 13070 case OPC_EXTR_R_W: 13071 tcg_gen_movi_tl(t0, v2); 13072 tcg_gen_movi_tl(t1, v1); 13073 gen_helper_extr_r_w(cpu_gpr[ret], t0, t1, tcg_env); 13074 break; 13075 case OPC_EXTR_RS_W: 13076 tcg_gen_movi_tl(t0, v2); 13077 tcg_gen_movi_tl(t1, v1); 13078 gen_helper_extr_rs_w(cpu_gpr[ret], t0, t1, tcg_env); 13079 break; 13080 case OPC_EXTR_S_H: 13081 tcg_gen_movi_tl(t0, v2); 13082 tcg_gen_movi_tl(t1, v1); 13083 gen_helper_extr_s_h(cpu_gpr[ret], t0, t1, tcg_env); 13084 break; 13085 case OPC_EXTRV_S_H: 13086 tcg_gen_movi_tl(t0, v2); 13087 gen_helper_extr_s_h(cpu_gpr[ret], t0, v1_t, tcg_env); 13088 break; 13089 case OPC_EXTRV_W: 13090 tcg_gen_movi_tl(t0, v2); 13091 gen_helper_extr_w(cpu_gpr[ret], t0, v1_t, tcg_env); 13092 break; 13093 case OPC_EXTRV_R_W: 13094 tcg_gen_movi_tl(t0, v2); 13095 gen_helper_extr_r_w(cpu_gpr[ret], t0, v1_t, tcg_env); 13096 break; 13097 case OPC_EXTRV_RS_W: 13098 tcg_gen_movi_tl(t0, v2); 13099 gen_helper_extr_rs_w(cpu_gpr[ret], t0, v1_t, tcg_env); 13100 break; 13101 case OPC_EXTP: 13102 tcg_gen_movi_tl(t0, v2); 13103 tcg_gen_movi_tl(t1, v1); 13104 gen_helper_extp(cpu_gpr[ret], t0, t1, tcg_env); 13105 break; 13106 case OPC_EXTPV: 13107 tcg_gen_movi_tl(t0, v2); 13108 gen_helper_extp(cpu_gpr[ret], t0, v1_t, tcg_env); 13109 break; 13110 case OPC_EXTPDP: 13111 tcg_gen_movi_tl(t0, v2); 13112 tcg_gen_movi_tl(t1, v1); 13113 gen_helper_extpdp(cpu_gpr[ret], t0, t1, tcg_env); 13114 break; 13115 case OPC_EXTPDPV: 13116 tcg_gen_movi_tl(t0, v2); 13117 gen_helper_extpdp(cpu_gpr[ret], t0, v1_t, tcg_env); 13118 break; 13119 case OPC_SHILO: 13120 imm = (ctx->opcode >> 20) & 0x3F; 13121 tcg_gen_movi_tl(t0, ret); 13122 tcg_gen_movi_tl(t1, imm); 13123 gen_helper_shilo(t0, t1, tcg_env); 13124 break; 13125 case OPC_SHILOV: 13126 tcg_gen_movi_tl(t0, ret); 13127 gen_helper_shilo(t0, v1_t, tcg_env); 13128 break; 13129 case OPC_MTHLIP: 13130 tcg_gen_movi_tl(t0, ret); 13131 gen_helper_mthlip(t0, v1_t, tcg_env); 13132 break; 13133 case OPC_WRDSP: 13134 imm = (ctx->opcode >> 11) & 0x3FF; 13135 tcg_gen_movi_tl(t0, imm); 13136 gen_helper_wrdsp(v1_t, t0, tcg_env); 13137 break; 13138 case OPC_RDDSP: 13139 imm = (ctx->opcode >> 16) & 0x03FF; 13140 tcg_gen_movi_tl(t0, imm); 13141 gen_helper_rddsp(cpu_gpr[ret], t0, tcg_env); 13142 break; 13143 } 13144 break; 13145 #ifdef TARGET_MIPS64 13146 case OPC_DEXTR_W_DSP: 13147 check_dsp(ctx); 13148 switch (op2) { 13149 case OPC_DMTHLIP: 13150 tcg_gen_movi_tl(t0, ret); 13151 gen_helper_dmthlip(v1_t, t0, tcg_env); 13152 break; 13153 case OPC_DSHILO: 13154 { 13155 int shift = (ctx->opcode >> 19) & 0x7F; 13156 int ac = (ctx->opcode >> 11) & 0x03; 13157 tcg_gen_movi_tl(t0, shift); 13158 tcg_gen_movi_tl(t1, ac); 13159 gen_helper_dshilo(t0, t1, tcg_env); 13160 break; 13161 } 13162 case OPC_DSHILOV: 13163 { 13164 int ac = (ctx->opcode >> 11) & 0x03; 13165 tcg_gen_movi_tl(t0, ac); 13166 gen_helper_dshilo(v1_t, t0, tcg_env); 13167 break; 13168 } 13169 case OPC_DEXTP: 13170 tcg_gen_movi_tl(t0, v2); 13171 tcg_gen_movi_tl(t1, v1); 13172 13173 gen_helper_dextp(cpu_gpr[ret], t0, t1, tcg_env); 13174 break; 13175 case OPC_DEXTPV: 13176 tcg_gen_movi_tl(t0, v2); 13177 gen_helper_dextp(cpu_gpr[ret], t0, v1_t, tcg_env); 13178 break; 13179 case OPC_DEXTPDP: 13180 tcg_gen_movi_tl(t0, v2); 13181 tcg_gen_movi_tl(t1, v1); 13182 gen_helper_dextpdp(cpu_gpr[ret], t0, t1, tcg_env); 13183 break; 13184 case OPC_DEXTPDPV: 13185 tcg_gen_movi_tl(t0, v2); 13186 gen_helper_dextpdp(cpu_gpr[ret], t0, v1_t, tcg_env); 13187 break; 13188 case OPC_DEXTR_L: 13189 tcg_gen_movi_tl(t0, v2); 13190 tcg_gen_movi_tl(t1, v1); 13191 gen_helper_dextr_l(cpu_gpr[ret], t0, t1, tcg_env); 13192 break; 13193 case OPC_DEXTR_R_L: 13194 tcg_gen_movi_tl(t0, v2); 13195 tcg_gen_movi_tl(t1, v1); 13196 gen_helper_dextr_r_l(cpu_gpr[ret], t0, t1, tcg_env); 13197 break; 13198 case OPC_DEXTR_RS_L: 13199 tcg_gen_movi_tl(t0, v2); 13200 tcg_gen_movi_tl(t1, v1); 13201 gen_helper_dextr_rs_l(cpu_gpr[ret], t0, t1, tcg_env); 13202 break; 13203 case OPC_DEXTR_W: 13204 tcg_gen_movi_tl(t0, v2); 13205 tcg_gen_movi_tl(t1, v1); 13206 gen_helper_dextr_w(cpu_gpr[ret], t0, t1, tcg_env); 13207 break; 13208 case OPC_DEXTR_R_W: 13209 tcg_gen_movi_tl(t0, v2); 13210 tcg_gen_movi_tl(t1, v1); 13211 gen_helper_dextr_r_w(cpu_gpr[ret], t0, t1, tcg_env); 13212 break; 13213 case OPC_DEXTR_RS_W: 13214 tcg_gen_movi_tl(t0, v2); 13215 tcg_gen_movi_tl(t1, v1); 13216 gen_helper_dextr_rs_w(cpu_gpr[ret], t0, t1, tcg_env); 13217 break; 13218 case OPC_DEXTR_S_H: 13219 tcg_gen_movi_tl(t0, v2); 13220 tcg_gen_movi_tl(t1, v1); 13221 gen_helper_dextr_s_h(cpu_gpr[ret], t0, t1, tcg_env); 13222 break; 13223 case OPC_DEXTRV_S_H: 13224 tcg_gen_movi_tl(t0, v2); 13225 gen_helper_dextr_s_h(cpu_gpr[ret], t0, v1_t, tcg_env); 13226 break; 13227 case OPC_DEXTRV_L: 13228 tcg_gen_movi_tl(t0, v2); 13229 gen_helper_dextr_l(cpu_gpr[ret], t0, v1_t, tcg_env); 13230 break; 13231 case OPC_DEXTRV_R_L: 13232 tcg_gen_movi_tl(t0, v2); 13233 gen_helper_dextr_r_l(cpu_gpr[ret], t0, v1_t, tcg_env); 13234 break; 13235 case OPC_DEXTRV_RS_L: 13236 tcg_gen_movi_tl(t0, v2); 13237 gen_helper_dextr_rs_l(cpu_gpr[ret], t0, v1_t, tcg_env); 13238 break; 13239 case OPC_DEXTRV_W: 13240 tcg_gen_movi_tl(t0, v2); 13241 gen_helper_dextr_w(cpu_gpr[ret], t0, v1_t, tcg_env); 13242 break; 13243 case OPC_DEXTRV_R_W: 13244 tcg_gen_movi_tl(t0, v2); 13245 gen_helper_dextr_r_w(cpu_gpr[ret], t0, v1_t, tcg_env); 13246 break; 13247 case OPC_DEXTRV_RS_W: 13248 tcg_gen_movi_tl(t0, v2); 13249 gen_helper_dextr_rs_w(cpu_gpr[ret], t0, v1_t, tcg_env); 13250 break; 13251 } 13252 break; 13253 #endif 13254 } 13255 } 13256 13257 /* End MIPSDSP functions. */ 13258 13259 static void decode_opc_special_r6(CPUMIPSState *env, DisasContext *ctx) 13260 { 13261 int rs, rt, rd, sa; 13262 uint32_t op1, op2; 13263 13264 rs = (ctx->opcode >> 21) & 0x1f; 13265 rt = (ctx->opcode >> 16) & 0x1f; 13266 rd = (ctx->opcode >> 11) & 0x1f; 13267 sa = (ctx->opcode >> 6) & 0x1f; 13268 13269 op1 = MASK_SPECIAL(ctx->opcode); 13270 switch (op1) { 13271 case OPC_MULT: 13272 case OPC_MULTU: 13273 case OPC_DIV: 13274 case OPC_DIVU: 13275 op2 = MASK_R6_MULDIV(ctx->opcode); 13276 switch (op2) { 13277 case R6_OPC_MUL: 13278 case R6_OPC_MUH: 13279 case R6_OPC_MULU: 13280 case R6_OPC_MUHU: 13281 case R6_OPC_DIV: 13282 case R6_OPC_MOD: 13283 case R6_OPC_DIVU: 13284 case R6_OPC_MODU: 13285 gen_r6_muldiv(ctx, op2, rd, rs, rt); 13286 break; 13287 default: 13288 MIPS_INVAL("special_r6 muldiv"); 13289 gen_reserved_instruction(ctx); 13290 break; 13291 } 13292 break; 13293 case OPC_SELEQZ: 13294 case OPC_SELNEZ: 13295 gen_cond_move(ctx, op1, rd, rs, rt); 13296 break; 13297 case R6_OPC_CLO: 13298 case R6_OPC_CLZ: 13299 if (rt == 0 && sa == 1) { 13300 /* 13301 * Major opcode and function field is shared with preR6 MFHI/MTHI. 13302 * We need additionally to check other fields. 13303 */ 13304 gen_cl(ctx, op1, rd, rs); 13305 } else { 13306 gen_reserved_instruction(ctx); 13307 } 13308 break; 13309 case R6_OPC_SDBBP: 13310 if (is_uhi(ctx, extract32(ctx->opcode, 6, 20))) { 13311 ctx->base.is_jmp = DISAS_SEMIHOST; 13312 } else { 13313 if (ctx->hflags & MIPS_HFLAG_SBRI) { 13314 gen_reserved_instruction(ctx); 13315 } else { 13316 generate_exception_end(ctx, EXCP_DBp); 13317 } 13318 } 13319 break; 13320 #if defined(TARGET_MIPS64) 13321 case R6_OPC_DCLO: 13322 case R6_OPC_DCLZ: 13323 if (rt == 0 && sa == 1) { 13324 /* 13325 * Major opcode and function field is shared with preR6 MFHI/MTHI. 13326 * We need additionally to check other fields. 13327 */ 13328 check_mips_64(ctx); 13329 gen_cl(ctx, op1, rd, rs); 13330 } else { 13331 gen_reserved_instruction(ctx); 13332 } 13333 break; 13334 case OPC_DMULT: 13335 case OPC_DMULTU: 13336 case OPC_DDIV: 13337 case OPC_DDIVU: 13338 13339 op2 = MASK_R6_MULDIV(ctx->opcode); 13340 switch (op2) { 13341 case R6_OPC_DMUL: 13342 case R6_OPC_DMUH: 13343 case R6_OPC_DMULU: 13344 case R6_OPC_DMUHU: 13345 case R6_OPC_DDIV: 13346 case R6_OPC_DMOD: 13347 case R6_OPC_DDIVU: 13348 case R6_OPC_DMODU: 13349 check_mips_64(ctx); 13350 gen_r6_muldiv(ctx, op2, rd, rs, rt); 13351 break; 13352 default: 13353 MIPS_INVAL("special_r6 muldiv"); 13354 gen_reserved_instruction(ctx); 13355 break; 13356 } 13357 break; 13358 #endif 13359 default: /* Invalid */ 13360 MIPS_INVAL("special_r6"); 13361 gen_reserved_instruction(ctx); 13362 break; 13363 } 13364 } 13365 13366 static void decode_opc_special_tx79(CPUMIPSState *env, DisasContext *ctx) 13367 { 13368 int rs = extract32(ctx->opcode, 21, 5); 13369 int rt = extract32(ctx->opcode, 16, 5); 13370 int rd = extract32(ctx->opcode, 11, 5); 13371 uint32_t op1 = MASK_SPECIAL(ctx->opcode); 13372 13373 switch (op1) { 13374 case OPC_MOVN: /* Conditional move */ 13375 case OPC_MOVZ: 13376 gen_cond_move(ctx, op1, rd, rs, rt); 13377 break; 13378 case OPC_MFHI: /* Move from HI/LO */ 13379 case OPC_MFLO: 13380 gen_HILO(ctx, op1, 0, rd); 13381 break; 13382 case OPC_MTHI: 13383 case OPC_MTLO: /* Move to HI/LO */ 13384 gen_HILO(ctx, op1, 0, rs); 13385 break; 13386 case OPC_MULT: 13387 case OPC_MULTU: 13388 gen_mul_txx9(ctx, op1, rd, rs, rt); 13389 break; 13390 case OPC_DIV: 13391 case OPC_DIVU: 13392 gen_muldiv(ctx, op1, 0, rs, rt); 13393 break; 13394 #if defined(TARGET_MIPS64) 13395 case OPC_DMULT: 13396 case OPC_DMULTU: 13397 case OPC_DDIV: 13398 case OPC_DDIVU: 13399 check_insn_opc_user_only(ctx, INSN_R5900); 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 default: /* Invalid */ 13407 MIPS_INVAL("special_tx79"); 13408 gen_reserved_instruction(ctx); 13409 break; 13410 } 13411 } 13412 13413 static void decode_opc_special_legacy(CPUMIPSState *env, DisasContext *ctx) 13414 { 13415 int rs, rt, rd; 13416 uint32_t op1; 13417 13418 rs = (ctx->opcode >> 21) & 0x1f; 13419 rt = (ctx->opcode >> 16) & 0x1f; 13420 rd = (ctx->opcode >> 11) & 0x1f; 13421 13422 op1 = MASK_SPECIAL(ctx->opcode); 13423 switch (op1) { 13424 case OPC_MOVN: /* Conditional move */ 13425 case OPC_MOVZ: 13426 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1 | 13427 INSN_LOONGSON2E | INSN_LOONGSON2F); 13428 gen_cond_move(ctx, op1, rd, rs, rt); 13429 break; 13430 case OPC_MFHI: /* Move from HI/LO */ 13431 case OPC_MFLO: 13432 gen_HILO(ctx, op1, rs & 3, rd); 13433 break; 13434 case OPC_MTHI: 13435 case OPC_MTLO: /* Move to HI/LO */ 13436 gen_HILO(ctx, op1, rd & 3, rs); 13437 break; 13438 case OPC_MOVCI: 13439 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1); 13440 if (env->CP0_Config1 & (1 << CP0C1_FP)) { 13441 check_cp1_enabled(ctx); 13442 gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7, 13443 (ctx->opcode >> 16) & 1); 13444 } else { 13445 generate_exception_err(ctx, EXCP_CpU, 1); 13446 } 13447 break; 13448 case OPC_MULT: 13449 case OPC_MULTU: 13450 gen_muldiv(ctx, op1, rd & 3, rs, rt); 13451 break; 13452 case OPC_DIV: 13453 case OPC_DIVU: 13454 gen_muldiv(ctx, op1, 0, rs, rt); 13455 break; 13456 #if defined(TARGET_MIPS64) 13457 case OPC_DMULT: 13458 case OPC_DMULTU: 13459 case OPC_DDIV: 13460 case OPC_DDIVU: 13461 check_insn(ctx, ISA_MIPS3); 13462 check_mips_64(ctx); 13463 gen_muldiv(ctx, op1, 0, rs, rt); 13464 break; 13465 #endif 13466 case OPC_JR: 13467 gen_compute_branch(ctx, op1, 4, rs, 0, 0, 4); 13468 break; 13469 case OPC_SPIM: 13470 #ifdef MIPS_STRICT_STANDARD 13471 MIPS_INVAL("SPIM"); 13472 gen_reserved_instruction(ctx); 13473 #else 13474 /* Implemented as RI exception for now. */ 13475 MIPS_INVAL("spim (unofficial)"); 13476 gen_reserved_instruction(ctx); 13477 #endif 13478 break; 13479 default: /* Invalid */ 13480 MIPS_INVAL("special_legacy"); 13481 gen_reserved_instruction(ctx); 13482 break; 13483 } 13484 } 13485 13486 static void decode_opc_special(CPUMIPSState *env, DisasContext *ctx) 13487 { 13488 int rs, rt, rd, sa; 13489 uint32_t op1; 13490 13491 rs = (ctx->opcode >> 21) & 0x1f; 13492 rt = (ctx->opcode >> 16) & 0x1f; 13493 rd = (ctx->opcode >> 11) & 0x1f; 13494 sa = (ctx->opcode >> 6) & 0x1f; 13495 13496 op1 = MASK_SPECIAL(ctx->opcode); 13497 switch (op1) { 13498 case OPC_SLL: /* Shift with immediate */ 13499 if (sa == 5 && rd == 0 && 13500 rs == 0 && rt == 0) { /* PAUSE */ 13501 if ((ctx->insn_flags & ISA_MIPS_R6) && 13502 (ctx->hflags & MIPS_HFLAG_BMASK)) { 13503 gen_reserved_instruction(ctx); 13504 break; 13505 } 13506 } 13507 /* Fallthrough */ 13508 case OPC_SRA: 13509 gen_shift_imm(ctx, op1, rd, rt, sa); 13510 break; 13511 case OPC_SRL: 13512 switch ((ctx->opcode >> 21) & 0x1f) { 13513 case 1: 13514 /* rotr is decoded as srl on non-R2 CPUs */ 13515 if (ctx->insn_flags & ISA_MIPS_R2) { 13516 op1 = OPC_ROTR; 13517 } 13518 /* Fallthrough */ 13519 case 0: 13520 gen_shift_imm(ctx, op1, rd, rt, sa); 13521 break; 13522 default: 13523 gen_reserved_instruction(ctx); 13524 break; 13525 } 13526 break; 13527 case OPC_ADD: 13528 case OPC_ADDU: 13529 case OPC_SUB: 13530 case OPC_SUBU: 13531 gen_arith(ctx, op1, rd, rs, rt); 13532 break; 13533 case OPC_SLLV: /* Shifts */ 13534 case OPC_SRAV: 13535 gen_shift(ctx, op1, rd, rs, rt); 13536 break; 13537 case OPC_SRLV: 13538 switch ((ctx->opcode >> 6) & 0x1f) { 13539 case 1: 13540 /* rotrv is decoded as srlv on non-R2 CPUs */ 13541 if (ctx->insn_flags & ISA_MIPS_R2) { 13542 op1 = OPC_ROTRV; 13543 } 13544 /* Fallthrough */ 13545 case 0: 13546 gen_shift(ctx, op1, rd, rs, rt); 13547 break; 13548 default: 13549 gen_reserved_instruction(ctx); 13550 break; 13551 } 13552 break; 13553 case OPC_SLT: /* Set on less than */ 13554 case OPC_SLTU: 13555 gen_slt(ctx, op1, rd, rs, rt); 13556 break; 13557 case OPC_AND: /* Logic*/ 13558 case OPC_OR: 13559 case OPC_NOR: 13560 case OPC_XOR: 13561 gen_logic(ctx, op1, rd, rs, rt); 13562 break; 13563 case OPC_JALR: 13564 gen_compute_branch(ctx, op1, 4, rs, rd, sa, 4); 13565 break; 13566 case OPC_TGE: /* Traps */ 13567 case OPC_TGEU: 13568 case OPC_TLT: 13569 case OPC_TLTU: 13570 case OPC_TEQ: 13571 case OPC_TNE: 13572 check_insn(ctx, ISA_MIPS2); 13573 gen_trap(ctx, op1, rs, rt, -1, extract32(ctx->opcode, 6, 10)); 13574 break; 13575 case OPC_PMON: 13576 /* Pmon entry point, also R4010 selsl */ 13577 #ifdef MIPS_STRICT_STANDARD 13578 MIPS_INVAL("PMON / selsl"); 13579 gen_reserved_instruction(ctx); 13580 #else 13581 gen_helper_pmon(tcg_env, tcg_constant_i32(sa)); 13582 #endif 13583 break; 13584 case OPC_SYSCALL: 13585 generate_exception_end(ctx, EXCP_SYSCALL); 13586 break; 13587 case OPC_BREAK: 13588 generate_exception_break(ctx, extract32(ctx->opcode, 6, 20)); 13589 break; 13590 case OPC_SYNC: 13591 check_insn(ctx, ISA_MIPS2); 13592 gen_sync(extract32(ctx->opcode, 6, 5)); 13593 break; 13594 13595 #if defined(TARGET_MIPS64) 13596 /* MIPS64 specific opcodes */ 13597 case OPC_DSLL: 13598 case OPC_DSRA: 13599 case OPC_DSLL32: 13600 case OPC_DSRA32: 13601 check_insn(ctx, ISA_MIPS3); 13602 check_mips_64(ctx); 13603 gen_shift_imm(ctx, op1, rd, rt, sa); 13604 break; 13605 case OPC_DSRL: 13606 switch ((ctx->opcode >> 21) & 0x1f) { 13607 case 1: 13608 /* drotr is decoded as dsrl on non-R2 CPUs */ 13609 if (ctx->insn_flags & ISA_MIPS_R2) { 13610 op1 = OPC_DROTR; 13611 } 13612 /* Fallthrough */ 13613 case 0: 13614 check_insn(ctx, ISA_MIPS3); 13615 check_mips_64(ctx); 13616 gen_shift_imm(ctx, op1, rd, rt, sa); 13617 break; 13618 default: 13619 gen_reserved_instruction(ctx); 13620 break; 13621 } 13622 break; 13623 case OPC_DSRL32: 13624 switch ((ctx->opcode >> 21) & 0x1f) { 13625 case 1: 13626 /* drotr32 is decoded as dsrl32 on non-R2 CPUs */ 13627 if (ctx->insn_flags & ISA_MIPS_R2) { 13628 op1 = OPC_DROTR32; 13629 } 13630 /* Fallthrough */ 13631 case 0: 13632 check_insn(ctx, ISA_MIPS3); 13633 check_mips_64(ctx); 13634 gen_shift_imm(ctx, op1, rd, rt, sa); 13635 break; 13636 default: 13637 gen_reserved_instruction(ctx); 13638 break; 13639 } 13640 break; 13641 case OPC_DADD: 13642 case OPC_DADDU: 13643 case OPC_DSUB: 13644 case OPC_DSUBU: 13645 check_insn(ctx, ISA_MIPS3); 13646 check_mips_64(ctx); 13647 gen_arith(ctx, op1, rd, rs, rt); 13648 break; 13649 case OPC_DSLLV: 13650 case OPC_DSRAV: 13651 check_insn(ctx, ISA_MIPS3); 13652 check_mips_64(ctx); 13653 gen_shift(ctx, op1, rd, rs, rt); 13654 break; 13655 case OPC_DSRLV: 13656 switch ((ctx->opcode >> 6) & 0x1f) { 13657 case 1: 13658 /* drotrv is decoded as dsrlv on non-R2 CPUs */ 13659 if (ctx->insn_flags & ISA_MIPS_R2) { 13660 op1 = OPC_DROTRV; 13661 } 13662 /* Fallthrough */ 13663 case 0: 13664 check_insn(ctx, ISA_MIPS3); 13665 check_mips_64(ctx); 13666 gen_shift(ctx, op1, rd, rs, rt); 13667 break; 13668 default: 13669 gen_reserved_instruction(ctx); 13670 break; 13671 } 13672 break; 13673 #endif 13674 default: 13675 if (ctx->insn_flags & ISA_MIPS_R6) { 13676 decode_opc_special_r6(env, ctx); 13677 } else if (ctx->insn_flags & INSN_R5900) { 13678 decode_opc_special_tx79(env, ctx); 13679 } else { 13680 decode_opc_special_legacy(env, ctx); 13681 } 13682 } 13683 } 13684 13685 13686 static void decode_opc_special2_legacy(CPUMIPSState *env, DisasContext *ctx) 13687 { 13688 int rs, rt, rd; 13689 uint32_t op1; 13690 13691 rs = (ctx->opcode >> 21) & 0x1f; 13692 rt = (ctx->opcode >> 16) & 0x1f; 13693 rd = (ctx->opcode >> 11) & 0x1f; 13694 13695 op1 = MASK_SPECIAL2(ctx->opcode); 13696 switch (op1) { 13697 case OPC_MADD: /* Multiply and add/sub */ 13698 case OPC_MADDU: 13699 case OPC_MSUB: 13700 case OPC_MSUBU: 13701 check_insn(ctx, ISA_MIPS_R1); 13702 gen_muldiv(ctx, op1, rd & 3, rs, rt); 13703 break; 13704 case OPC_MUL: 13705 gen_arith(ctx, op1, rd, rs, rt); 13706 break; 13707 case OPC_DIV_G_2F: 13708 case OPC_DIVU_G_2F: 13709 case OPC_MULT_G_2F: 13710 case OPC_MULTU_G_2F: 13711 case OPC_MOD_G_2F: 13712 case OPC_MODU_G_2F: 13713 check_insn(ctx, INSN_LOONGSON2F | ASE_LEXT); 13714 gen_loongson_integer(ctx, op1, rd, rs, rt); 13715 break; 13716 case OPC_CLO: 13717 case OPC_CLZ: 13718 check_insn(ctx, ISA_MIPS_R1); 13719 gen_cl(ctx, op1, rd, rs); 13720 break; 13721 case OPC_SDBBP: 13722 if (is_uhi(ctx, extract32(ctx->opcode, 6, 20))) { 13723 ctx->base.is_jmp = DISAS_SEMIHOST; 13724 } else { 13725 /* 13726 * XXX: not clear which exception should be raised 13727 * when in debug mode... 13728 */ 13729 check_insn(ctx, ISA_MIPS_R1); 13730 generate_exception_end(ctx, EXCP_DBp); 13731 } 13732 break; 13733 #if defined(TARGET_MIPS64) 13734 case OPC_DCLO: 13735 case OPC_DCLZ: 13736 check_insn(ctx, ISA_MIPS_R1); 13737 check_mips_64(ctx); 13738 gen_cl(ctx, op1, rd, rs); 13739 break; 13740 case OPC_DMULT_G_2F: 13741 case OPC_DMULTU_G_2F: 13742 case OPC_DDIV_G_2F: 13743 case OPC_DDIVU_G_2F: 13744 case OPC_DMOD_G_2F: 13745 case OPC_DMODU_G_2F: 13746 check_insn(ctx, INSN_LOONGSON2F | ASE_LEXT); 13747 gen_loongson_integer(ctx, op1, rd, rs, rt); 13748 break; 13749 #endif 13750 default: /* Invalid */ 13751 MIPS_INVAL("special2_legacy"); 13752 gen_reserved_instruction(ctx); 13753 break; 13754 } 13755 } 13756 13757 static void decode_opc_special3_r6(CPUMIPSState *env, DisasContext *ctx) 13758 { 13759 int rs, rt, rd, sa; 13760 uint32_t op1, op2; 13761 int16_t imm; 13762 13763 rs = (ctx->opcode >> 21) & 0x1f; 13764 rt = (ctx->opcode >> 16) & 0x1f; 13765 rd = (ctx->opcode >> 11) & 0x1f; 13766 sa = (ctx->opcode >> 6) & 0x1f; 13767 imm = (int16_t)ctx->opcode >> 7; 13768 13769 op1 = MASK_SPECIAL3(ctx->opcode); 13770 switch (op1) { 13771 case R6_OPC_PREF: 13772 if (rt >= 24) { 13773 /* hint codes 24-31 are reserved and signal RI */ 13774 gen_reserved_instruction(ctx); 13775 } 13776 /* Treat as NOP. */ 13777 break; 13778 case R6_OPC_CACHE: 13779 check_cp0_enabled(ctx); 13780 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) { 13781 gen_cache_operation(ctx, rt, rs, imm); 13782 } 13783 break; 13784 case R6_OPC_SC: 13785 gen_st_cond(ctx, rt, rs, imm, MO_TESL, false); 13786 break; 13787 case R6_OPC_LL: 13788 gen_ld(ctx, op1, rt, rs, imm); 13789 break; 13790 case OPC_BSHFL: 13791 { 13792 if (rd == 0) { 13793 /* Treat as NOP. */ 13794 break; 13795 } 13796 op2 = MASK_BSHFL(ctx->opcode); 13797 switch (op2) { 13798 case OPC_ALIGN: 13799 case OPC_ALIGN_1: 13800 case OPC_ALIGN_2: 13801 case OPC_ALIGN_3: 13802 gen_align(ctx, 32, rd, rs, rt, sa & 3); 13803 break; 13804 case OPC_BITSWAP: 13805 gen_bitswap(ctx, op2, rd, rt); 13806 break; 13807 } 13808 } 13809 break; 13810 #ifndef CONFIG_USER_ONLY 13811 case OPC_GINV: 13812 if (unlikely(ctx->gi <= 1)) { 13813 gen_reserved_instruction(ctx); 13814 } 13815 check_cp0_enabled(ctx); 13816 switch ((ctx->opcode >> 6) & 3) { 13817 case 0: /* GINVI */ 13818 /* Treat as NOP. */ 13819 break; 13820 case 2: /* GINVT */ 13821 gen_helper_0e1i(ginvt, cpu_gpr[rs], extract32(ctx->opcode, 8, 2)); 13822 break; 13823 default: 13824 gen_reserved_instruction(ctx); 13825 break; 13826 } 13827 break; 13828 #endif 13829 #if defined(TARGET_MIPS64) 13830 case R6_OPC_SCD: 13831 gen_st_cond(ctx, rt, rs, imm, MO_TEUQ, false); 13832 break; 13833 case R6_OPC_LLD: 13834 gen_ld(ctx, op1, rt, rs, imm); 13835 break; 13836 case OPC_DBSHFL: 13837 check_mips_64(ctx); 13838 { 13839 if (rd == 0) { 13840 /* Treat as NOP. */ 13841 break; 13842 } 13843 op2 = MASK_DBSHFL(ctx->opcode); 13844 switch (op2) { 13845 case OPC_DALIGN: 13846 case OPC_DALIGN_1: 13847 case OPC_DALIGN_2: 13848 case OPC_DALIGN_3: 13849 case OPC_DALIGN_4: 13850 case OPC_DALIGN_5: 13851 case OPC_DALIGN_6: 13852 case OPC_DALIGN_7: 13853 gen_align(ctx, 64, rd, rs, rt, sa & 7); 13854 break; 13855 case OPC_DBITSWAP: 13856 gen_bitswap(ctx, op2, rd, rt); 13857 break; 13858 } 13859 13860 } 13861 break; 13862 #endif 13863 default: /* Invalid */ 13864 MIPS_INVAL("special3_r6"); 13865 gen_reserved_instruction(ctx); 13866 break; 13867 } 13868 } 13869 13870 static void decode_opc_special3_legacy(CPUMIPSState *env, DisasContext *ctx) 13871 { 13872 int rs, rt, rd; 13873 uint32_t op1, op2; 13874 13875 rs = (ctx->opcode >> 21) & 0x1f; 13876 rt = (ctx->opcode >> 16) & 0x1f; 13877 rd = (ctx->opcode >> 11) & 0x1f; 13878 13879 op1 = MASK_SPECIAL3(ctx->opcode); 13880 switch (op1) { 13881 case OPC_DIV_G_2E: 13882 case OPC_DIVU_G_2E: 13883 case OPC_MOD_G_2E: 13884 case OPC_MODU_G_2E: 13885 case OPC_MULT_G_2E: 13886 case OPC_MULTU_G_2E: 13887 /* 13888 * OPC_MULT_G_2E, OPC_ADDUH_QB_DSP, OPC_MUL_PH_DSP have 13889 * the same mask and op1. 13890 */ 13891 if ((ctx->insn_flags & ASE_DSP_R2) && (op1 == OPC_MULT_G_2E)) { 13892 op2 = MASK_ADDUH_QB(ctx->opcode); 13893 switch (op2) { 13894 case OPC_ADDUH_QB: 13895 case OPC_ADDUH_R_QB: 13896 case OPC_ADDQH_PH: 13897 case OPC_ADDQH_R_PH: 13898 case OPC_ADDQH_W: 13899 case OPC_ADDQH_R_W: 13900 case OPC_SUBUH_QB: 13901 case OPC_SUBUH_R_QB: 13902 case OPC_SUBQH_PH: 13903 case OPC_SUBQH_R_PH: 13904 case OPC_SUBQH_W: 13905 case OPC_SUBQH_R_W: 13906 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 13907 break; 13908 case OPC_MUL_PH: 13909 case OPC_MUL_S_PH: 13910 case OPC_MULQ_S_W: 13911 case OPC_MULQ_RS_W: 13912 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1); 13913 break; 13914 default: 13915 MIPS_INVAL("MASK ADDUH.QB"); 13916 gen_reserved_instruction(ctx); 13917 break; 13918 } 13919 } else if (ctx->insn_flags & INSN_LOONGSON2E) { 13920 gen_loongson_integer(ctx, op1, rd, rs, rt); 13921 } else { 13922 gen_reserved_instruction(ctx); 13923 } 13924 break; 13925 case OPC_LX_DSP: 13926 op2 = MASK_LX(ctx->opcode); 13927 switch (op2) { 13928 #if defined(TARGET_MIPS64) 13929 case OPC_LDX: 13930 #endif 13931 case OPC_LBUX: 13932 case OPC_LHX: 13933 case OPC_LWX: 13934 gen_mips_lx(ctx, op2, rd, rs, rt); 13935 break; 13936 default: /* Invalid */ 13937 MIPS_INVAL("MASK LX"); 13938 gen_reserved_instruction(ctx); 13939 break; 13940 } 13941 break; 13942 case OPC_ABSQ_S_PH_DSP: 13943 op2 = MASK_ABSQ_S_PH(ctx->opcode); 13944 switch (op2) { 13945 case OPC_ABSQ_S_QB: 13946 case OPC_ABSQ_S_PH: 13947 case OPC_ABSQ_S_W: 13948 case OPC_PRECEQ_W_PHL: 13949 case OPC_PRECEQ_W_PHR: 13950 case OPC_PRECEQU_PH_QBL: 13951 case OPC_PRECEQU_PH_QBR: 13952 case OPC_PRECEQU_PH_QBLA: 13953 case OPC_PRECEQU_PH_QBRA: 13954 case OPC_PRECEU_PH_QBL: 13955 case OPC_PRECEU_PH_QBR: 13956 case OPC_PRECEU_PH_QBLA: 13957 case OPC_PRECEU_PH_QBRA: 13958 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 13959 break; 13960 case OPC_BITREV: 13961 case OPC_REPL_QB: 13962 case OPC_REPLV_QB: 13963 case OPC_REPL_PH: 13964 case OPC_REPLV_PH: 13965 gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt); 13966 break; 13967 default: 13968 MIPS_INVAL("MASK ABSQ_S.PH"); 13969 gen_reserved_instruction(ctx); 13970 break; 13971 } 13972 break; 13973 case OPC_ADDU_QB_DSP: 13974 op2 = MASK_ADDU_QB(ctx->opcode); 13975 switch (op2) { 13976 case OPC_ADDQ_PH: 13977 case OPC_ADDQ_S_PH: 13978 case OPC_ADDQ_S_W: 13979 case OPC_ADDU_QB: 13980 case OPC_ADDU_S_QB: 13981 case OPC_ADDU_PH: 13982 case OPC_ADDU_S_PH: 13983 case OPC_SUBQ_PH: 13984 case OPC_SUBQ_S_PH: 13985 case OPC_SUBQ_S_W: 13986 case OPC_SUBU_QB: 13987 case OPC_SUBU_S_QB: 13988 case OPC_SUBU_PH: 13989 case OPC_SUBU_S_PH: 13990 case OPC_ADDSC: 13991 case OPC_ADDWC: 13992 case OPC_MODSUB: 13993 case OPC_RADDU_W_QB: 13994 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 13995 break; 13996 case OPC_MULEU_S_PH_QBL: 13997 case OPC_MULEU_S_PH_QBR: 13998 case OPC_MULQ_RS_PH: 13999 case OPC_MULEQ_S_W_PHL: 14000 case OPC_MULEQ_S_W_PHR: 14001 case OPC_MULQ_S_PH: 14002 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1); 14003 break; 14004 default: /* Invalid */ 14005 MIPS_INVAL("MASK ADDU.QB"); 14006 gen_reserved_instruction(ctx); 14007 break; 14008 14009 } 14010 break; 14011 case OPC_CMPU_EQ_QB_DSP: 14012 op2 = MASK_CMPU_EQ_QB(ctx->opcode); 14013 switch (op2) { 14014 case OPC_PRECR_SRA_PH_W: 14015 case OPC_PRECR_SRA_R_PH_W: 14016 gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd); 14017 break; 14018 case OPC_PRECR_QB_PH: 14019 case OPC_PRECRQ_QB_PH: 14020 case OPC_PRECRQ_PH_W: 14021 case OPC_PRECRQ_RS_PH_W: 14022 case OPC_PRECRQU_S_QB_PH: 14023 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 14024 break; 14025 case OPC_CMPU_EQ_QB: 14026 case OPC_CMPU_LT_QB: 14027 case OPC_CMPU_LE_QB: 14028 case OPC_CMP_EQ_PH: 14029 case OPC_CMP_LT_PH: 14030 case OPC_CMP_LE_PH: 14031 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0); 14032 break; 14033 case OPC_CMPGU_EQ_QB: 14034 case OPC_CMPGU_LT_QB: 14035 case OPC_CMPGU_LE_QB: 14036 case OPC_CMPGDU_EQ_QB: 14037 case OPC_CMPGDU_LT_QB: 14038 case OPC_CMPGDU_LE_QB: 14039 case OPC_PICK_QB: 14040 case OPC_PICK_PH: 14041 case OPC_PACKRL_PH: 14042 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1); 14043 break; 14044 default: /* Invalid */ 14045 MIPS_INVAL("MASK CMPU.EQ.QB"); 14046 gen_reserved_instruction(ctx); 14047 break; 14048 } 14049 break; 14050 case OPC_SHLL_QB_DSP: 14051 gen_mipsdsp_shift(ctx, op1, rd, rs, rt); 14052 break; 14053 case OPC_DPA_W_PH_DSP: 14054 op2 = MASK_DPA_W_PH(ctx->opcode); 14055 switch (op2) { 14056 case OPC_DPAU_H_QBL: 14057 case OPC_DPAU_H_QBR: 14058 case OPC_DPSU_H_QBL: 14059 case OPC_DPSU_H_QBR: 14060 case OPC_DPA_W_PH: 14061 case OPC_DPAX_W_PH: 14062 case OPC_DPAQ_S_W_PH: 14063 case OPC_DPAQX_S_W_PH: 14064 case OPC_DPAQX_SA_W_PH: 14065 case OPC_DPS_W_PH: 14066 case OPC_DPSX_W_PH: 14067 case OPC_DPSQ_S_W_PH: 14068 case OPC_DPSQX_S_W_PH: 14069 case OPC_DPSQX_SA_W_PH: 14070 case OPC_MULSAQ_S_W_PH: 14071 case OPC_DPAQ_SA_L_W: 14072 case OPC_DPSQ_SA_L_W: 14073 case OPC_MAQ_S_W_PHL: 14074 case OPC_MAQ_S_W_PHR: 14075 case OPC_MAQ_SA_W_PHL: 14076 case OPC_MAQ_SA_W_PHR: 14077 case OPC_MULSA_W_PH: 14078 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0); 14079 break; 14080 default: /* Invalid */ 14081 MIPS_INVAL("MASK DPAW.PH"); 14082 gen_reserved_instruction(ctx); 14083 break; 14084 } 14085 break; 14086 case OPC_INSV_DSP: 14087 op2 = MASK_INSV(ctx->opcode); 14088 switch (op2) { 14089 case OPC_INSV: 14090 check_dsp(ctx); 14091 { 14092 TCGv t0, t1; 14093 14094 if (rt == 0) { 14095 break; 14096 } 14097 14098 t0 = tcg_temp_new(); 14099 t1 = tcg_temp_new(); 14100 14101 gen_load_gpr(t0, rt); 14102 gen_load_gpr(t1, rs); 14103 14104 gen_helper_insv(cpu_gpr[rt], tcg_env, t1, t0); 14105 break; 14106 } 14107 default: /* Invalid */ 14108 MIPS_INVAL("MASK INSV"); 14109 gen_reserved_instruction(ctx); 14110 break; 14111 } 14112 break; 14113 case OPC_APPEND_DSP: 14114 gen_mipsdsp_append(env, ctx, op1, rt, rs, rd); 14115 break; 14116 case OPC_EXTR_W_DSP: 14117 op2 = MASK_EXTR_W(ctx->opcode); 14118 switch (op2) { 14119 case OPC_EXTR_W: 14120 case OPC_EXTR_R_W: 14121 case OPC_EXTR_RS_W: 14122 case OPC_EXTR_S_H: 14123 case OPC_EXTRV_S_H: 14124 case OPC_EXTRV_W: 14125 case OPC_EXTRV_R_W: 14126 case OPC_EXTRV_RS_W: 14127 case OPC_EXTP: 14128 case OPC_EXTPV: 14129 case OPC_EXTPDP: 14130 case OPC_EXTPDPV: 14131 gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1); 14132 break; 14133 case OPC_RDDSP: 14134 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 1); 14135 break; 14136 case OPC_SHILO: 14137 case OPC_SHILOV: 14138 case OPC_MTHLIP: 14139 case OPC_WRDSP: 14140 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0); 14141 break; 14142 default: /* Invalid */ 14143 MIPS_INVAL("MASK EXTR.W"); 14144 gen_reserved_instruction(ctx); 14145 break; 14146 } 14147 break; 14148 #if defined(TARGET_MIPS64) 14149 case OPC_DDIV_G_2E: 14150 case OPC_DDIVU_G_2E: 14151 case OPC_DMULT_G_2E: 14152 case OPC_DMULTU_G_2E: 14153 case OPC_DMOD_G_2E: 14154 case OPC_DMODU_G_2E: 14155 check_insn(ctx, INSN_LOONGSON2E); 14156 gen_loongson_integer(ctx, op1, rd, rs, rt); 14157 break; 14158 case OPC_ABSQ_S_QH_DSP: 14159 op2 = MASK_ABSQ_S_QH(ctx->opcode); 14160 switch (op2) { 14161 case OPC_PRECEQ_L_PWL: 14162 case OPC_PRECEQ_L_PWR: 14163 case OPC_PRECEQ_PW_QHL: 14164 case OPC_PRECEQ_PW_QHR: 14165 case OPC_PRECEQ_PW_QHLA: 14166 case OPC_PRECEQ_PW_QHRA: 14167 case OPC_PRECEQU_QH_OBL: 14168 case OPC_PRECEQU_QH_OBR: 14169 case OPC_PRECEQU_QH_OBLA: 14170 case OPC_PRECEQU_QH_OBRA: 14171 case OPC_PRECEU_QH_OBL: 14172 case OPC_PRECEU_QH_OBR: 14173 case OPC_PRECEU_QH_OBLA: 14174 case OPC_PRECEU_QH_OBRA: 14175 case OPC_ABSQ_S_OB: 14176 case OPC_ABSQ_S_PW: 14177 case OPC_ABSQ_S_QH: 14178 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 14179 break; 14180 case OPC_REPL_OB: 14181 case OPC_REPL_PW: 14182 case OPC_REPL_QH: 14183 case OPC_REPLV_OB: 14184 case OPC_REPLV_PW: 14185 case OPC_REPLV_QH: 14186 gen_mipsdsp_bitinsn(ctx, op1, op2, rd, rt); 14187 break; 14188 default: /* Invalid */ 14189 MIPS_INVAL("MASK ABSQ_S.QH"); 14190 gen_reserved_instruction(ctx); 14191 break; 14192 } 14193 break; 14194 case OPC_ADDU_OB_DSP: 14195 op2 = MASK_ADDU_OB(ctx->opcode); 14196 switch (op2) { 14197 case OPC_RADDU_L_OB: 14198 case OPC_SUBQ_PW: 14199 case OPC_SUBQ_S_PW: 14200 case OPC_SUBQ_QH: 14201 case OPC_SUBQ_S_QH: 14202 case OPC_SUBU_OB: 14203 case OPC_SUBU_S_OB: 14204 case OPC_SUBU_QH: 14205 case OPC_SUBU_S_QH: 14206 case OPC_SUBUH_OB: 14207 case OPC_SUBUH_R_OB: 14208 case OPC_ADDQ_PW: 14209 case OPC_ADDQ_S_PW: 14210 case OPC_ADDQ_QH: 14211 case OPC_ADDQ_S_QH: 14212 case OPC_ADDU_OB: 14213 case OPC_ADDU_S_OB: 14214 case OPC_ADDU_QH: 14215 case OPC_ADDU_S_QH: 14216 case OPC_ADDUH_OB: 14217 case OPC_ADDUH_R_OB: 14218 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 14219 break; 14220 case OPC_MULEQ_S_PW_QHL: 14221 case OPC_MULEQ_S_PW_QHR: 14222 case OPC_MULEU_S_QH_OBL: 14223 case OPC_MULEU_S_QH_OBR: 14224 case OPC_MULQ_RS_QH: 14225 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 1); 14226 break; 14227 default: /* Invalid */ 14228 MIPS_INVAL("MASK ADDU.OB"); 14229 gen_reserved_instruction(ctx); 14230 break; 14231 } 14232 break; 14233 case OPC_CMPU_EQ_OB_DSP: 14234 op2 = MASK_CMPU_EQ_OB(ctx->opcode); 14235 switch (op2) { 14236 case OPC_PRECR_SRA_QH_PW: 14237 case OPC_PRECR_SRA_R_QH_PW: 14238 /* Return value is rt. */ 14239 gen_mipsdsp_arith(ctx, op1, op2, rt, rs, rd); 14240 break; 14241 case OPC_PRECR_OB_QH: 14242 case OPC_PRECRQ_OB_QH: 14243 case OPC_PRECRQ_PW_L: 14244 case OPC_PRECRQ_QH_PW: 14245 case OPC_PRECRQ_RS_QH_PW: 14246 case OPC_PRECRQU_S_OB_QH: 14247 gen_mipsdsp_arith(ctx, op1, op2, rd, rs, rt); 14248 break; 14249 case OPC_CMPU_EQ_OB: 14250 case OPC_CMPU_LT_OB: 14251 case OPC_CMPU_LE_OB: 14252 case OPC_CMP_EQ_QH: 14253 case OPC_CMP_LT_QH: 14254 case OPC_CMP_LE_QH: 14255 case OPC_CMP_EQ_PW: 14256 case OPC_CMP_LT_PW: 14257 case OPC_CMP_LE_PW: 14258 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 0); 14259 break; 14260 case OPC_CMPGDU_EQ_OB: 14261 case OPC_CMPGDU_LT_OB: 14262 case OPC_CMPGDU_LE_OB: 14263 case OPC_CMPGU_EQ_OB: 14264 case OPC_CMPGU_LT_OB: 14265 case OPC_CMPGU_LE_OB: 14266 case OPC_PACKRL_PW: 14267 case OPC_PICK_OB: 14268 case OPC_PICK_PW: 14269 case OPC_PICK_QH: 14270 gen_mipsdsp_add_cmp_pick(ctx, op1, op2, rd, rs, rt, 1); 14271 break; 14272 default: /* Invalid */ 14273 MIPS_INVAL("MASK CMPU_EQ.OB"); 14274 gen_reserved_instruction(ctx); 14275 break; 14276 } 14277 break; 14278 case OPC_DAPPEND_DSP: 14279 gen_mipsdsp_append(env, ctx, op1, rt, rs, rd); 14280 break; 14281 case OPC_DEXTR_W_DSP: 14282 op2 = MASK_DEXTR_W(ctx->opcode); 14283 switch (op2) { 14284 case OPC_DEXTP: 14285 case OPC_DEXTPDP: 14286 case OPC_DEXTPDPV: 14287 case OPC_DEXTPV: 14288 case OPC_DEXTR_L: 14289 case OPC_DEXTR_R_L: 14290 case OPC_DEXTR_RS_L: 14291 case OPC_DEXTR_W: 14292 case OPC_DEXTR_R_W: 14293 case OPC_DEXTR_RS_W: 14294 case OPC_DEXTR_S_H: 14295 case OPC_DEXTRV_L: 14296 case OPC_DEXTRV_R_L: 14297 case OPC_DEXTRV_RS_L: 14298 case OPC_DEXTRV_S_H: 14299 case OPC_DEXTRV_W: 14300 case OPC_DEXTRV_R_W: 14301 case OPC_DEXTRV_RS_W: 14302 gen_mipsdsp_accinsn(ctx, op1, op2, rt, rs, rd, 1); 14303 break; 14304 case OPC_DMTHLIP: 14305 case OPC_DSHILO: 14306 case OPC_DSHILOV: 14307 gen_mipsdsp_accinsn(ctx, op1, op2, rd, rs, rt, 0); 14308 break; 14309 default: /* Invalid */ 14310 MIPS_INVAL("MASK EXTR.W"); 14311 gen_reserved_instruction(ctx); 14312 break; 14313 } 14314 break; 14315 case OPC_DPAQ_W_QH_DSP: 14316 op2 = MASK_DPAQ_W_QH(ctx->opcode); 14317 switch (op2) { 14318 case OPC_DPAU_H_OBL: 14319 case OPC_DPAU_H_OBR: 14320 case OPC_DPSU_H_OBL: 14321 case OPC_DPSU_H_OBR: 14322 case OPC_DPA_W_QH: 14323 case OPC_DPAQ_S_W_QH: 14324 case OPC_DPS_W_QH: 14325 case OPC_DPSQ_S_W_QH: 14326 case OPC_MULSAQ_S_W_QH: 14327 case OPC_DPAQ_SA_L_PW: 14328 case OPC_DPSQ_SA_L_PW: 14329 case OPC_MULSAQ_S_L_PW: 14330 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0); 14331 break; 14332 case OPC_MAQ_S_W_QHLL: 14333 case OPC_MAQ_S_W_QHLR: 14334 case OPC_MAQ_S_W_QHRL: 14335 case OPC_MAQ_S_W_QHRR: 14336 case OPC_MAQ_SA_W_QHLL: 14337 case OPC_MAQ_SA_W_QHLR: 14338 case OPC_MAQ_SA_W_QHRL: 14339 case OPC_MAQ_SA_W_QHRR: 14340 case OPC_MAQ_S_L_PWL: 14341 case OPC_MAQ_S_L_PWR: 14342 case OPC_DMADD: 14343 case OPC_DMADDU: 14344 case OPC_DMSUB: 14345 case OPC_DMSUBU: 14346 gen_mipsdsp_multiply(ctx, op1, op2, rd, rs, rt, 0); 14347 break; 14348 default: /* Invalid */ 14349 MIPS_INVAL("MASK DPAQ.W.QH"); 14350 gen_reserved_instruction(ctx); 14351 break; 14352 } 14353 break; 14354 case OPC_DINSV_DSP: 14355 op2 = MASK_INSV(ctx->opcode); 14356 switch (op2) { 14357 case OPC_DINSV: 14358 { 14359 TCGv t0, t1; 14360 14361 check_dsp(ctx); 14362 14363 if (rt == 0) { 14364 break; 14365 } 14366 14367 t0 = tcg_temp_new(); 14368 t1 = tcg_temp_new(); 14369 14370 gen_load_gpr(t0, rt); 14371 gen_load_gpr(t1, rs); 14372 14373 gen_helper_dinsv(cpu_gpr[rt], tcg_env, t1, t0); 14374 break; 14375 } 14376 default: /* Invalid */ 14377 MIPS_INVAL("MASK DINSV"); 14378 gen_reserved_instruction(ctx); 14379 break; 14380 } 14381 break; 14382 case OPC_SHLL_OB_DSP: 14383 gen_mipsdsp_shift(ctx, op1, rd, rs, rt); 14384 break; 14385 #endif 14386 default: /* Invalid */ 14387 MIPS_INVAL("special3_legacy"); 14388 gen_reserved_instruction(ctx); 14389 break; 14390 } 14391 } 14392 14393 14394 #if defined(TARGET_MIPS64) 14395 14396 static void decode_mmi(CPUMIPSState *env, DisasContext *ctx) 14397 { 14398 uint32_t opc = MASK_MMI(ctx->opcode); 14399 int rs = extract32(ctx->opcode, 21, 5); 14400 int rt = extract32(ctx->opcode, 16, 5); 14401 int rd = extract32(ctx->opcode, 11, 5); 14402 14403 switch (opc) { 14404 case MMI_OPC_MULT1: 14405 case MMI_OPC_MULTU1: 14406 case MMI_OPC_MADD: 14407 case MMI_OPC_MADDU: 14408 case MMI_OPC_MADD1: 14409 case MMI_OPC_MADDU1: 14410 gen_mul_txx9(ctx, opc, rd, rs, rt); 14411 break; 14412 case MMI_OPC_DIV1: 14413 case MMI_OPC_DIVU1: 14414 gen_div1_tx79(ctx, opc, rs, rt); 14415 break; 14416 default: 14417 MIPS_INVAL("TX79 MMI class"); 14418 gen_reserved_instruction(ctx); 14419 break; 14420 } 14421 } 14422 14423 static void gen_mmi_sq(DisasContext *ctx, int base, int rt, int offset) 14424 { 14425 gen_reserved_instruction(ctx); /* TODO: MMI_OPC_SQ */ 14426 } 14427 14428 /* 14429 * The TX79-specific instruction Store Quadword 14430 * 14431 * +--------+-------+-------+------------------------+ 14432 * | 011111 | base | rt | offset | SQ 14433 * +--------+-------+-------+------------------------+ 14434 * 6 5 5 16 14435 * 14436 * has the same opcode as the Read Hardware Register instruction 14437 * 14438 * +--------+-------+-------+-------+-------+--------+ 14439 * | 011111 | 00000 | rt | rd | 00000 | 111011 | RDHWR 14440 * +--------+-------+-------+-------+-------+--------+ 14441 * 6 5 5 5 5 6 14442 * 14443 * that is required, trapped and emulated by the Linux kernel. However, all 14444 * RDHWR encodings yield address error exceptions on the TX79 since the SQ 14445 * offset is odd. Therefore all valid SQ instructions can execute normally. 14446 * In user mode, QEMU must verify the upper and lower 11 bits to distinguish 14447 * between SQ and RDHWR, as the Linux kernel does. 14448 */ 14449 static void decode_mmi_sq(CPUMIPSState *env, DisasContext *ctx) 14450 { 14451 int base = extract32(ctx->opcode, 21, 5); 14452 int rt = extract32(ctx->opcode, 16, 5); 14453 int offset = extract32(ctx->opcode, 0, 16); 14454 14455 #ifdef CONFIG_USER_ONLY 14456 uint32_t op1 = MASK_SPECIAL3(ctx->opcode); 14457 uint32_t op2 = extract32(ctx->opcode, 6, 5); 14458 14459 if (base == 0 && op2 == 0 && op1 == OPC_RDHWR) { 14460 int rd = extract32(ctx->opcode, 11, 5); 14461 14462 gen_rdhwr(ctx, rt, rd, 0); 14463 return; 14464 } 14465 #endif 14466 14467 gen_mmi_sq(ctx, base, rt, offset); 14468 } 14469 14470 #endif 14471 14472 static void decode_opc_special3(CPUMIPSState *env, DisasContext *ctx) 14473 { 14474 int rs, rt, rd, sa; 14475 uint32_t op1, op2; 14476 int16_t imm; 14477 14478 rs = (ctx->opcode >> 21) & 0x1f; 14479 rt = (ctx->opcode >> 16) & 0x1f; 14480 rd = (ctx->opcode >> 11) & 0x1f; 14481 sa = (ctx->opcode >> 6) & 0x1f; 14482 imm = sextract32(ctx->opcode, 7, 9); 14483 14484 op1 = MASK_SPECIAL3(ctx->opcode); 14485 14486 /* 14487 * EVA loads and stores overlap Loongson 2E instructions decoded by 14488 * decode_opc_special3_legacy(), so be careful to allow their decoding when 14489 * EVA is absent. 14490 */ 14491 if (ctx->eva) { 14492 switch (op1) { 14493 case OPC_LWLE: 14494 case OPC_LWRE: 14495 case OPC_LBUE: 14496 case OPC_LHUE: 14497 case OPC_LBE: 14498 case OPC_LHE: 14499 case OPC_LLE: 14500 case OPC_LWE: 14501 check_cp0_enabled(ctx); 14502 gen_ld(ctx, op1, rt, rs, imm); 14503 return; 14504 case OPC_SWLE: 14505 case OPC_SWRE: 14506 case OPC_SBE: 14507 case OPC_SHE: 14508 case OPC_SWE: 14509 check_cp0_enabled(ctx); 14510 gen_st(ctx, op1, rt, rs, imm); 14511 return; 14512 case OPC_SCE: 14513 check_cp0_enabled(ctx); 14514 gen_st_cond(ctx, rt, rs, imm, MO_TESL, true); 14515 return; 14516 case OPC_CACHEE: 14517 check_eva(ctx); 14518 check_cp0_enabled(ctx); 14519 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) { 14520 gen_cache_operation(ctx, rt, rs, imm); 14521 } 14522 return; 14523 case OPC_PREFE: 14524 check_cp0_enabled(ctx); 14525 /* Treat as NOP. */ 14526 return; 14527 } 14528 } 14529 14530 switch (op1) { 14531 case OPC_EXT: 14532 case OPC_INS: 14533 check_insn(ctx, ISA_MIPS_R2); 14534 gen_bitops(ctx, op1, rt, rs, sa, rd); 14535 break; 14536 case OPC_BSHFL: 14537 op2 = MASK_BSHFL(ctx->opcode); 14538 switch (op2) { 14539 case OPC_ALIGN: 14540 case OPC_ALIGN_1: 14541 case OPC_ALIGN_2: 14542 case OPC_ALIGN_3: 14543 case OPC_BITSWAP: 14544 check_insn(ctx, ISA_MIPS_R6); 14545 decode_opc_special3_r6(env, ctx); 14546 break; 14547 default: 14548 check_insn(ctx, ISA_MIPS_R2); 14549 gen_bshfl(ctx, op2, rt, rd); 14550 break; 14551 } 14552 break; 14553 #if defined(TARGET_MIPS64) 14554 case OPC_DEXTM: 14555 case OPC_DEXTU: 14556 case OPC_DEXT: 14557 case OPC_DINSM: 14558 case OPC_DINSU: 14559 case OPC_DINS: 14560 check_insn(ctx, ISA_MIPS_R2); 14561 check_mips_64(ctx); 14562 gen_bitops(ctx, op1, rt, rs, sa, rd); 14563 break; 14564 case OPC_DBSHFL: 14565 op2 = MASK_DBSHFL(ctx->opcode); 14566 switch (op2) { 14567 case OPC_DALIGN: 14568 case OPC_DALIGN_1: 14569 case OPC_DALIGN_2: 14570 case OPC_DALIGN_3: 14571 case OPC_DALIGN_4: 14572 case OPC_DALIGN_5: 14573 case OPC_DALIGN_6: 14574 case OPC_DALIGN_7: 14575 case OPC_DBITSWAP: 14576 check_insn(ctx, ISA_MIPS_R6); 14577 decode_opc_special3_r6(env, ctx); 14578 break; 14579 default: 14580 check_insn(ctx, ISA_MIPS_R2); 14581 check_mips_64(ctx); 14582 op2 = MASK_DBSHFL(ctx->opcode); 14583 gen_bshfl(ctx, op2, rt, rd); 14584 break; 14585 } 14586 break; 14587 #endif 14588 case OPC_RDHWR: 14589 gen_rdhwr(ctx, rt, rd, extract32(ctx->opcode, 6, 3)); 14590 break; 14591 case OPC_FORK: 14592 check_mt(ctx); 14593 { 14594 TCGv t0 = tcg_temp_new(); 14595 TCGv t1 = tcg_temp_new(); 14596 14597 gen_load_gpr(t0, rt); 14598 gen_load_gpr(t1, rs); 14599 gen_helper_fork(t0, t1); 14600 } 14601 break; 14602 case OPC_YIELD: 14603 check_mt(ctx); 14604 { 14605 TCGv t0 = tcg_temp_new(); 14606 14607 gen_load_gpr(t0, rs); 14608 gen_helper_yield(t0, tcg_env, t0); 14609 gen_store_gpr(t0, rd); 14610 } 14611 break; 14612 default: 14613 if (ctx->insn_flags & ISA_MIPS_R6) { 14614 decode_opc_special3_r6(env, ctx); 14615 } else { 14616 decode_opc_special3_legacy(env, ctx); 14617 } 14618 } 14619 } 14620 14621 static bool decode_opc_legacy(CPUMIPSState *env, DisasContext *ctx) 14622 { 14623 int32_t offset; 14624 int rs, rt, rd, sa; 14625 uint32_t op, op1; 14626 int16_t imm; 14627 14628 op = MASK_OP_MAJOR(ctx->opcode); 14629 rs = (ctx->opcode >> 21) & 0x1f; 14630 rt = (ctx->opcode >> 16) & 0x1f; 14631 rd = (ctx->opcode >> 11) & 0x1f; 14632 sa = (ctx->opcode >> 6) & 0x1f; 14633 imm = (int16_t)ctx->opcode; 14634 switch (op) { 14635 case OPC_SPECIAL: 14636 decode_opc_special(env, ctx); 14637 break; 14638 case OPC_SPECIAL2: 14639 #if defined(TARGET_MIPS64) 14640 if ((ctx->insn_flags & INSN_R5900) && (ctx->insn_flags & ASE_MMI)) { 14641 decode_mmi(env, ctx); 14642 break; 14643 } 14644 #endif 14645 if (TARGET_LONG_BITS == 32 && (ctx->insn_flags & ASE_MXU)) { 14646 if (decode_ase_mxu(ctx, ctx->opcode)) { 14647 break; 14648 } 14649 } 14650 decode_opc_special2_legacy(env, ctx); 14651 break; 14652 case OPC_SPECIAL3: 14653 #if defined(TARGET_MIPS64) 14654 if (ctx->insn_flags & INSN_R5900) { 14655 decode_mmi_sq(env, ctx); /* MMI_OPC_SQ */ 14656 } else { 14657 decode_opc_special3(env, ctx); 14658 } 14659 #else 14660 decode_opc_special3(env, ctx); 14661 #endif 14662 break; 14663 case OPC_REGIMM: 14664 op1 = MASK_REGIMM(ctx->opcode); 14665 switch (op1) { 14666 case OPC_BLTZL: /* REGIMM branches */ 14667 case OPC_BGEZL: 14668 case OPC_BLTZALL: 14669 case OPC_BGEZALL: 14670 check_insn(ctx, ISA_MIPS2); 14671 check_insn_opc_removed(ctx, ISA_MIPS_R6); 14672 /* Fallthrough */ 14673 case OPC_BLTZ: 14674 case OPC_BGEZ: 14675 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4); 14676 break; 14677 case OPC_BLTZAL: 14678 case OPC_BGEZAL: 14679 if (ctx->insn_flags & ISA_MIPS_R6) { 14680 if (rs == 0) { 14681 /* OPC_NAL, OPC_BAL */ 14682 gen_compute_branch(ctx, op1, 4, 0, -1, imm << 2, 4); 14683 } else { 14684 gen_reserved_instruction(ctx); 14685 } 14686 } else { 14687 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2, 4); 14688 } 14689 break; 14690 case OPC_TGEI: /* REGIMM traps */ 14691 case OPC_TGEIU: 14692 case OPC_TLTI: 14693 case OPC_TLTIU: 14694 case OPC_TEQI: 14695 case OPC_TNEI: 14696 check_insn(ctx, ISA_MIPS2); 14697 check_insn_opc_removed(ctx, ISA_MIPS_R6); 14698 gen_trap(ctx, op1, rs, -1, imm, 0); 14699 break; 14700 case OPC_SIGRIE: 14701 check_insn(ctx, ISA_MIPS_R6); 14702 gen_reserved_instruction(ctx); 14703 break; 14704 case OPC_SYNCI: 14705 check_insn(ctx, ISA_MIPS_R2); 14706 /* 14707 * Break the TB to be able to sync copied instructions 14708 * immediately. 14709 */ 14710 ctx->base.is_jmp = DISAS_STOP; 14711 break; 14712 case OPC_BPOSGE32: /* MIPS DSP branch */ 14713 #if defined(TARGET_MIPS64) 14714 case OPC_BPOSGE64: 14715 #endif 14716 check_dsp(ctx); 14717 gen_compute_branch(ctx, op1, 4, -1, -2, (int32_t)imm << 2, 4); 14718 break; 14719 #if defined(TARGET_MIPS64) 14720 case OPC_DAHI: 14721 check_insn(ctx, ISA_MIPS_R6); 14722 check_mips_64(ctx); 14723 if (rs != 0) { 14724 tcg_gen_addi_tl(cpu_gpr[rs], cpu_gpr[rs], (int64_t)imm << 32); 14725 } 14726 break; 14727 case OPC_DATI: 14728 check_insn(ctx, ISA_MIPS_R6); 14729 check_mips_64(ctx); 14730 if (rs != 0) { 14731 tcg_gen_addi_tl(cpu_gpr[rs], cpu_gpr[rs], (int64_t)imm << 48); 14732 } 14733 break; 14734 #endif 14735 default: /* Invalid */ 14736 MIPS_INVAL("regimm"); 14737 gen_reserved_instruction(ctx); 14738 break; 14739 } 14740 break; 14741 case OPC_CP0: 14742 check_cp0_enabled(ctx); 14743 op1 = MASK_CP0(ctx->opcode); 14744 switch (op1) { 14745 case OPC_MFC0: 14746 case OPC_MTC0: 14747 case OPC_MFTR: 14748 case OPC_MTTR: 14749 case OPC_MFHC0: 14750 case OPC_MTHC0: 14751 #if defined(TARGET_MIPS64) 14752 case OPC_DMFC0: 14753 case OPC_DMTC0: 14754 #endif 14755 #ifndef CONFIG_USER_ONLY 14756 gen_cp0(env, ctx, op1, rt, rd); 14757 #endif /* !CONFIG_USER_ONLY */ 14758 break; 14759 case OPC_C0: 14760 case OPC_C0_1: 14761 case OPC_C0_2: 14762 case OPC_C0_3: 14763 case OPC_C0_4: 14764 case OPC_C0_5: 14765 case OPC_C0_6: 14766 case OPC_C0_7: 14767 case OPC_C0_8: 14768 case OPC_C0_9: 14769 case OPC_C0_A: 14770 case OPC_C0_B: 14771 case OPC_C0_C: 14772 case OPC_C0_D: 14773 case OPC_C0_E: 14774 case OPC_C0_F: 14775 #ifndef CONFIG_USER_ONLY 14776 gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd); 14777 #endif /* !CONFIG_USER_ONLY */ 14778 break; 14779 case OPC_MFMC0: 14780 #ifndef CONFIG_USER_ONLY 14781 { 14782 uint32_t op2; 14783 TCGv t0 = tcg_temp_new(); 14784 14785 op2 = MASK_MFMC0(ctx->opcode); 14786 switch (op2) { 14787 case OPC_DMT: 14788 check_cp0_mt(ctx); 14789 gen_helper_dmt(t0); 14790 gen_store_gpr(t0, rt); 14791 break; 14792 case OPC_EMT: 14793 check_cp0_mt(ctx); 14794 gen_helper_emt(t0); 14795 gen_store_gpr(t0, rt); 14796 break; 14797 case OPC_DVPE: 14798 check_cp0_mt(ctx); 14799 gen_helper_dvpe(t0, tcg_env); 14800 gen_store_gpr(t0, rt); 14801 break; 14802 case OPC_EVPE: 14803 check_cp0_mt(ctx); 14804 gen_helper_evpe(t0, tcg_env); 14805 gen_store_gpr(t0, rt); 14806 break; 14807 case OPC_DVP: 14808 check_insn(ctx, ISA_MIPS_R6); 14809 if (ctx->vp) { 14810 gen_helper_dvp(t0, tcg_env); 14811 gen_store_gpr(t0, rt); 14812 } 14813 break; 14814 case OPC_EVP: 14815 check_insn(ctx, ISA_MIPS_R6); 14816 if (ctx->vp) { 14817 gen_helper_evp(t0, tcg_env); 14818 gen_store_gpr(t0, rt); 14819 } 14820 break; 14821 case OPC_DI: 14822 check_insn(ctx, ISA_MIPS_R2); 14823 save_cpu_state(ctx, 1); 14824 gen_helper_di(t0, tcg_env); 14825 gen_store_gpr(t0, rt); 14826 /* 14827 * Stop translation as we may have switched 14828 * the execution mode. 14829 */ 14830 ctx->base.is_jmp = DISAS_STOP; 14831 break; 14832 case OPC_EI: 14833 check_insn(ctx, ISA_MIPS_R2); 14834 save_cpu_state(ctx, 1); 14835 gen_helper_ei(t0, tcg_env); 14836 gen_store_gpr(t0, rt); 14837 /* 14838 * DISAS_STOP isn't sufficient, we need to ensure we break 14839 * out of translated code to check for pending interrupts. 14840 */ 14841 gen_save_pc(ctx->base.pc_next + 4); 14842 ctx->base.is_jmp = DISAS_EXIT; 14843 break; 14844 default: /* Invalid */ 14845 MIPS_INVAL("mfmc0"); 14846 gen_reserved_instruction(ctx); 14847 break; 14848 } 14849 } 14850 #endif /* !CONFIG_USER_ONLY */ 14851 break; 14852 case OPC_RDPGPR: 14853 check_insn(ctx, ISA_MIPS_R2); 14854 gen_load_srsgpr(rt, rd); 14855 break; 14856 case OPC_WRPGPR: 14857 check_insn(ctx, ISA_MIPS_R2); 14858 gen_store_srsgpr(rt, rd); 14859 break; 14860 default: 14861 MIPS_INVAL("cp0"); 14862 gen_reserved_instruction(ctx); 14863 break; 14864 } 14865 break; 14866 case OPC_BOVC: /* OPC_BEQZALC, OPC_BEQC, OPC_ADDI */ 14867 if (ctx->insn_flags & ISA_MIPS_R6) { 14868 /* OPC_BOVC, OPC_BEQZALC, OPC_BEQC */ 14869 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 14870 } else { 14871 /* OPC_ADDI */ 14872 /* Arithmetic with immediate opcode */ 14873 gen_arith_imm(ctx, op, rt, rs, imm); 14874 } 14875 break; 14876 case OPC_ADDIU: 14877 gen_arith_imm(ctx, op, rt, rs, imm); 14878 break; 14879 case OPC_SLTI: /* Set on less than with immediate opcode */ 14880 case OPC_SLTIU: 14881 gen_slt_imm(ctx, op, rt, rs, imm); 14882 break; 14883 case OPC_ANDI: /* Arithmetic with immediate opcode */ 14884 case OPC_LUI: /* OPC_AUI */ 14885 case OPC_ORI: 14886 case OPC_XORI: 14887 gen_logic_imm(ctx, op, rt, rs, imm); 14888 break; 14889 case OPC_J: /* Jump */ 14890 case OPC_JAL: 14891 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; 14892 gen_compute_branch(ctx, op, 4, rs, rt, offset, 4); 14893 break; 14894 /* Branch */ 14895 case OPC_BLEZC: /* OPC_BGEZC, OPC_BGEC, OPC_BLEZL */ 14896 if (ctx->insn_flags & ISA_MIPS_R6) { 14897 if (rt == 0) { 14898 gen_reserved_instruction(ctx); 14899 break; 14900 } 14901 /* OPC_BLEZC, OPC_BGEZC, OPC_BGEC */ 14902 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 14903 } else { 14904 /* OPC_BLEZL */ 14905 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 14906 } 14907 break; 14908 case OPC_BGTZC: /* OPC_BLTZC, OPC_BLTC, OPC_BGTZL */ 14909 if (ctx->insn_flags & ISA_MIPS_R6) { 14910 if (rt == 0) { 14911 gen_reserved_instruction(ctx); 14912 break; 14913 } 14914 /* OPC_BGTZC, OPC_BLTZC, OPC_BLTC */ 14915 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 14916 } else { 14917 /* OPC_BGTZL */ 14918 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 14919 } 14920 break; 14921 case OPC_BLEZALC: /* OPC_BGEZALC, OPC_BGEUC, OPC_BLEZ */ 14922 if (rt == 0) { 14923 /* OPC_BLEZ */ 14924 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 14925 } else { 14926 check_insn(ctx, ISA_MIPS_R6); 14927 /* OPC_BLEZALC, OPC_BGEZALC, OPC_BGEUC */ 14928 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 14929 } 14930 break; 14931 case OPC_BGTZALC: /* OPC_BLTZALC, OPC_BLTUC, OPC_BGTZ */ 14932 if (rt == 0) { 14933 /* OPC_BGTZ */ 14934 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 14935 } else { 14936 check_insn(ctx, ISA_MIPS_R6); 14937 /* OPC_BGTZALC, OPC_BLTZALC, OPC_BLTUC */ 14938 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 14939 } 14940 break; 14941 case OPC_BEQL: 14942 case OPC_BNEL: 14943 check_insn(ctx, ISA_MIPS2); 14944 check_insn_opc_removed(ctx, ISA_MIPS_R6); 14945 /* Fallthrough */ 14946 case OPC_BEQ: 14947 case OPC_BNE: 14948 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2, 4); 14949 break; 14950 case OPC_LL: /* Load and stores */ 14951 check_insn(ctx, ISA_MIPS2); 14952 if (ctx->insn_flags & INSN_R5900) { 14953 check_insn_opc_user_only(ctx, INSN_R5900); 14954 } 14955 /* Fallthrough */ 14956 case OPC_LWL: 14957 case OPC_LWR: 14958 case OPC_LB: 14959 case OPC_LH: 14960 case OPC_LW: 14961 case OPC_LWPC: 14962 case OPC_LBU: 14963 case OPC_LHU: 14964 gen_ld(ctx, op, rt, rs, imm); 14965 break; 14966 case OPC_SWL: 14967 case OPC_SWR: 14968 case OPC_SB: 14969 case OPC_SH: 14970 case OPC_SW: 14971 gen_st(ctx, op, rt, rs, imm); 14972 break; 14973 case OPC_SC: 14974 check_insn(ctx, ISA_MIPS2); 14975 if (ctx->insn_flags & INSN_R5900) { 14976 check_insn_opc_user_only(ctx, INSN_R5900); 14977 } 14978 gen_st_cond(ctx, rt, rs, imm, MO_TESL, false); 14979 break; 14980 case OPC_CACHE: 14981 check_cp0_enabled(ctx); 14982 check_insn(ctx, ISA_MIPS3 | ISA_MIPS_R1); 14983 if (ctx->hflags & MIPS_HFLAG_ITC_CACHE) { 14984 gen_cache_operation(ctx, rt, rs, imm); 14985 } 14986 /* Treat as NOP. */ 14987 break; 14988 case OPC_PREF: 14989 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R1 | INSN_R5900); 14990 /* Treat as NOP. */ 14991 break; 14992 14993 /* Floating point (COP1). */ 14994 case OPC_LWC1: 14995 case OPC_LDC1: 14996 case OPC_SWC1: 14997 case OPC_SDC1: 14998 gen_cop1_ldst(ctx, op, rt, rs, imm); 14999 break; 15000 15001 case OPC_CP1: 15002 op1 = MASK_CP1(ctx->opcode); 15003 15004 switch (op1) { 15005 case OPC_MFHC1: 15006 case OPC_MTHC1: 15007 check_cp1_enabled(ctx); 15008 check_insn(ctx, ISA_MIPS_R2); 15009 /* fall through */ 15010 case OPC_MFC1: 15011 case OPC_CFC1: 15012 case OPC_MTC1: 15013 case OPC_CTC1: 15014 check_cp1_enabled(ctx); 15015 gen_cp1(ctx, op1, rt, rd); 15016 break; 15017 #if defined(TARGET_MIPS64) 15018 case OPC_DMFC1: 15019 case OPC_DMTC1: 15020 check_cp1_enabled(ctx); 15021 check_insn(ctx, ISA_MIPS3); 15022 check_mips_64(ctx); 15023 gen_cp1(ctx, op1, rt, rd); 15024 break; 15025 #endif 15026 case OPC_BC1EQZ: /* OPC_BC1ANY2 */ 15027 check_cp1_enabled(ctx); 15028 if (ctx->insn_flags & ISA_MIPS_R6) { 15029 /* OPC_BC1EQZ */ 15030 gen_compute_branch1_r6(ctx, MASK_CP1(ctx->opcode), 15031 rt, imm << 2, 4); 15032 } else { 15033 /* OPC_BC1ANY2 */ 15034 check_cop1x(ctx); 15035 check_insn(ctx, ASE_MIPS3D); 15036 gen_compute_branch1(ctx, MASK_BC1(ctx->opcode), 15037 (rt >> 2) & 0x7, imm << 2); 15038 } 15039 break; 15040 case OPC_BC1NEZ: 15041 check_cp1_enabled(ctx); 15042 check_insn(ctx, ISA_MIPS_R6); 15043 gen_compute_branch1_r6(ctx, MASK_CP1(ctx->opcode), 15044 rt, imm << 2, 4); 15045 break; 15046 case OPC_BC1ANY4: 15047 check_cp1_enabled(ctx); 15048 check_insn_opc_removed(ctx, ISA_MIPS_R6); 15049 check_cop1x(ctx); 15050 check_insn(ctx, ASE_MIPS3D); 15051 /* fall through */ 15052 case OPC_BC1: 15053 check_cp1_enabled(ctx); 15054 check_insn_opc_removed(ctx, ISA_MIPS_R6); 15055 gen_compute_branch1(ctx, MASK_BC1(ctx->opcode), 15056 (rt >> 2) & 0x7, imm << 2); 15057 break; 15058 case OPC_PS_FMT: 15059 check_ps(ctx); 15060 /* fall through */ 15061 case OPC_S_FMT: 15062 case OPC_D_FMT: 15063 check_cp1_enabled(ctx); 15064 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa, 15065 (imm >> 8) & 0x7); 15066 break; 15067 case OPC_W_FMT: 15068 case OPC_L_FMT: 15069 { 15070 int r6_op = ctx->opcode & FOP(0x3f, 0x1f); 15071 check_cp1_enabled(ctx); 15072 if (ctx->insn_flags & ISA_MIPS_R6) { 15073 switch (r6_op) { 15074 case R6_OPC_CMP_AF_S: 15075 case R6_OPC_CMP_UN_S: 15076 case R6_OPC_CMP_EQ_S: 15077 case R6_OPC_CMP_UEQ_S: 15078 case R6_OPC_CMP_LT_S: 15079 case R6_OPC_CMP_ULT_S: 15080 case R6_OPC_CMP_LE_S: 15081 case R6_OPC_CMP_ULE_S: 15082 case R6_OPC_CMP_SAF_S: 15083 case R6_OPC_CMP_SUN_S: 15084 case R6_OPC_CMP_SEQ_S: 15085 case R6_OPC_CMP_SEUQ_S: 15086 case R6_OPC_CMP_SLT_S: 15087 case R6_OPC_CMP_SULT_S: 15088 case R6_OPC_CMP_SLE_S: 15089 case R6_OPC_CMP_SULE_S: 15090 case R6_OPC_CMP_OR_S: 15091 case R6_OPC_CMP_UNE_S: 15092 case R6_OPC_CMP_NE_S: 15093 case R6_OPC_CMP_SOR_S: 15094 case R6_OPC_CMP_SUNE_S: 15095 case R6_OPC_CMP_SNE_S: 15096 gen_r6_cmp_s(ctx, ctx->opcode & 0x1f, rt, rd, sa); 15097 break; 15098 case R6_OPC_CMP_AF_D: 15099 case R6_OPC_CMP_UN_D: 15100 case R6_OPC_CMP_EQ_D: 15101 case R6_OPC_CMP_UEQ_D: 15102 case R6_OPC_CMP_LT_D: 15103 case R6_OPC_CMP_ULT_D: 15104 case R6_OPC_CMP_LE_D: 15105 case R6_OPC_CMP_ULE_D: 15106 case R6_OPC_CMP_SAF_D: 15107 case R6_OPC_CMP_SUN_D: 15108 case R6_OPC_CMP_SEQ_D: 15109 case R6_OPC_CMP_SEUQ_D: 15110 case R6_OPC_CMP_SLT_D: 15111 case R6_OPC_CMP_SULT_D: 15112 case R6_OPC_CMP_SLE_D: 15113 case R6_OPC_CMP_SULE_D: 15114 case R6_OPC_CMP_OR_D: 15115 case R6_OPC_CMP_UNE_D: 15116 case R6_OPC_CMP_NE_D: 15117 case R6_OPC_CMP_SOR_D: 15118 case R6_OPC_CMP_SUNE_D: 15119 case R6_OPC_CMP_SNE_D: 15120 gen_r6_cmp_d(ctx, ctx->opcode & 0x1f, rt, rd, sa); 15121 break; 15122 default: 15123 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), 15124 rt, rd, sa, (imm >> 8) & 0x7); 15125 15126 break; 15127 } 15128 } else { 15129 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa, 15130 (imm >> 8) & 0x7); 15131 } 15132 break; 15133 } 15134 default: 15135 MIPS_INVAL("cp1"); 15136 gen_reserved_instruction(ctx); 15137 break; 15138 } 15139 break; 15140 15141 /* Compact branches [R6] and COP2 [non-R6] */ 15142 case OPC_BC: /* OPC_LWC2 */ 15143 case OPC_BALC: /* OPC_SWC2 */ 15144 if (ctx->insn_flags & ISA_MIPS_R6) { 15145 /* OPC_BC, OPC_BALC */ 15146 gen_compute_compact_branch(ctx, op, 0, 0, 15147 sextract32(ctx->opcode << 2, 0, 28)); 15148 } else if (ctx->insn_flags & ASE_LEXT) { 15149 gen_loongson_lswc2(ctx, rt, rs, rd); 15150 } else { 15151 /* OPC_LWC2, OPC_SWC2 */ 15152 /* COP2: Not implemented. */ 15153 generate_exception_err(ctx, EXCP_CpU, 2); 15154 } 15155 break; 15156 case OPC_BEQZC: /* OPC_JIC, OPC_LDC2 */ 15157 case OPC_BNEZC: /* OPC_JIALC, OPC_SDC2 */ 15158 if (ctx->insn_flags & ISA_MIPS_R6) { 15159 if (rs != 0) { 15160 /* OPC_BEQZC, OPC_BNEZC */ 15161 gen_compute_compact_branch(ctx, op, rs, 0, 15162 sextract32(ctx->opcode << 2, 0, 23)); 15163 } else { 15164 /* OPC_JIC, OPC_JIALC */ 15165 gen_compute_compact_branch(ctx, op, 0, rt, imm); 15166 } 15167 } else if (ctx->insn_flags & ASE_LEXT) { 15168 gen_loongson_lsdc2(ctx, rt, rs, rd); 15169 } else { 15170 /* OPC_LWC2, OPC_SWC2 */ 15171 /* COP2: Not implemented. */ 15172 generate_exception_err(ctx, EXCP_CpU, 2); 15173 } 15174 break; 15175 case OPC_CP2: 15176 check_insn(ctx, ASE_LMMI); 15177 /* Note that these instructions use different fields. */ 15178 gen_loongson_multimedia(ctx, sa, rd, rt); 15179 break; 15180 15181 case OPC_CP3: 15182 if (ctx->CP0_Config1 & (1 << CP0C1_FP)) { 15183 check_cp1_enabled(ctx); 15184 op1 = MASK_CP3(ctx->opcode); 15185 switch (op1) { 15186 case OPC_LUXC1: 15187 case OPC_SUXC1: 15188 check_insn(ctx, ISA_MIPS5 | ISA_MIPS_R2); 15189 /* Fallthrough */ 15190 case OPC_LWXC1: 15191 case OPC_LDXC1: 15192 case OPC_SWXC1: 15193 case OPC_SDXC1: 15194 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2); 15195 gen_flt3_ldst(ctx, op1, sa, rd, rs, rt); 15196 break; 15197 case OPC_PREFX: 15198 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2); 15199 /* Treat as NOP. */ 15200 break; 15201 case OPC_ALNV_PS: 15202 check_insn(ctx, ISA_MIPS5 | ISA_MIPS_R2); 15203 /* Fallthrough */ 15204 case OPC_MADD_S: 15205 case OPC_MADD_D: 15206 case OPC_MADD_PS: 15207 case OPC_MSUB_S: 15208 case OPC_MSUB_D: 15209 case OPC_MSUB_PS: 15210 case OPC_NMADD_S: 15211 case OPC_NMADD_D: 15212 case OPC_NMADD_PS: 15213 case OPC_NMSUB_S: 15214 case OPC_NMSUB_D: 15215 case OPC_NMSUB_PS: 15216 check_insn(ctx, ISA_MIPS4 | ISA_MIPS_R2); 15217 gen_flt3_arith(ctx, op1, sa, rs, rd, rt); 15218 break; 15219 default: 15220 MIPS_INVAL("cp3"); 15221 gen_reserved_instruction(ctx); 15222 break; 15223 } 15224 } else { 15225 generate_exception_err(ctx, EXCP_CpU, 1); 15226 } 15227 break; 15228 15229 #if defined(TARGET_MIPS64) 15230 /* MIPS64 opcodes */ 15231 case OPC_LLD: 15232 if (ctx->insn_flags & INSN_R5900) { 15233 check_insn_opc_user_only(ctx, INSN_R5900); 15234 } 15235 /* fall through */ 15236 case OPC_LDL: 15237 case OPC_LDR: 15238 case OPC_LWU: 15239 case OPC_LD: 15240 check_insn(ctx, ISA_MIPS3); 15241 check_mips_64(ctx); 15242 gen_ld(ctx, op, rt, rs, imm); 15243 break; 15244 case OPC_SDL: 15245 case OPC_SDR: 15246 case OPC_SD: 15247 check_insn(ctx, ISA_MIPS3); 15248 check_mips_64(ctx); 15249 gen_st(ctx, op, rt, rs, imm); 15250 break; 15251 case OPC_SCD: 15252 check_insn(ctx, ISA_MIPS3); 15253 if (ctx->insn_flags & INSN_R5900) { 15254 check_insn_opc_user_only(ctx, INSN_R5900); 15255 } 15256 check_mips_64(ctx); 15257 gen_st_cond(ctx, rt, rs, imm, MO_TEUQ, false); 15258 break; 15259 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC, OPC_DADDI */ 15260 if (ctx->insn_flags & ISA_MIPS_R6) { 15261 /* OPC_BNVC, OPC_BNEZALC, OPC_BNEC */ 15262 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 15263 } else { 15264 /* OPC_DADDI */ 15265 check_insn(ctx, ISA_MIPS3); 15266 check_mips_64(ctx); 15267 gen_arith_imm(ctx, op, rt, rs, imm); 15268 } 15269 break; 15270 case OPC_DADDIU: 15271 check_insn(ctx, ISA_MIPS3); 15272 check_mips_64(ctx); 15273 gen_arith_imm(ctx, op, rt, rs, imm); 15274 break; 15275 #else 15276 case OPC_BNVC: /* OPC_BNEZALC, OPC_BNEC */ 15277 if (ctx->insn_flags & ISA_MIPS_R6) { 15278 gen_compute_compact_branch(ctx, op, rs, rt, imm << 2); 15279 } else { 15280 MIPS_INVAL("major opcode"); 15281 gen_reserved_instruction(ctx); 15282 } 15283 break; 15284 #endif 15285 case OPC_DAUI: /* OPC_JALX */ 15286 if (ctx->insn_flags & ISA_MIPS_R6) { 15287 #if defined(TARGET_MIPS64) 15288 /* OPC_DAUI */ 15289 check_mips_64(ctx); 15290 if (rs == 0) { 15291 generate_exception(ctx, EXCP_RI); 15292 } else if (rt != 0) { 15293 TCGv t0 = tcg_temp_new(); 15294 gen_load_gpr(t0, rs); 15295 tcg_gen_addi_tl(cpu_gpr[rt], t0, imm << 16); 15296 } 15297 #else 15298 gen_reserved_instruction(ctx); 15299 MIPS_INVAL("major opcode"); 15300 #endif 15301 } else { 15302 /* OPC_JALX */ 15303 check_insn(ctx, ASE_MIPS16 | ASE_MICROMIPS); 15304 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2; 15305 gen_compute_branch(ctx, op, 4, rs, rt, offset, 4); 15306 } 15307 break; 15308 case OPC_MDMX: 15309 /* MDMX: Not implemented. */ 15310 break; 15311 case OPC_PCREL: 15312 check_insn(ctx, ISA_MIPS_R6); 15313 gen_pcrel(ctx, ctx->opcode, ctx->base.pc_next, rs); 15314 break; 15315 default: /* Invalid */ 15316 MIPS_INVAL("major opcode"); 15317 return false; 15318 } 15319 return true; 15320 } 15321 15322 static void decode_opc(CPUMIPSState *env, DisasContext *ctx) 15323 { 15324 /* make sure instructions are on a word boundary */ 15325 if (ctx->base.pc_next & 0x3) { 15326 env->CP0_BadVAddr = ctx->base.pc_next; 15327 generate_exception_err(ctx, EXCP_AdEL, EXCP_INST_NOTAVAIL); 15328 return; 15329 } 15330 15331 /* Handle blikely not taken case */ 15332 if ((ctx->hflags & MIPS_HFLAG_BMASK_BASE) == MIPS_HFLAG_BL) { 15333 TCGLabel *l1 = gen_new_label(); 15334 15335 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1); 15336 tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK); 15337 gen_goto_tb(ctx, 1, ctx->base.pc_next + 4); 15338 gen_set_label(l1); 15339 } 15340 15341 /* Transition to the auto-generated decoder. */ 15342 15343 /* Vendor specific extensions */ 15344 if (cpu_supports_isa(env, INSN_R5900) && decode_ext_txx9(ctx, ctx->opcode)) { 15345 return; 15346 } 15347 if (cpu_supports_isa(env, INSN_VR54XX) && decode_ext_vr54xx(ctx, ctx->opcode)) { 15348 return; 15349 } 15350 #if defined(TARGET_MIPS64) 15351 if (ase_lcsr_available(env) && decode_ase_lcsr(ctx, ctx->opcode)) { 15352 return; 15353 } 15354 if (cpu_supports_isa(env, INSN_OCTEON) && decode_ext_octeon(ctx, ctx->opcode)) { 15355 return; 15356 } 15357 #endif 15358 15359 /* ISA extensions */ 15360 if (ase_msa_available(env) && decode_ase_msa(ctx, ctx->opcode)) { 15361 return; 15362 } 15363 15364 /* ISA (from latest to oldest) */ 15365 if (cpu_supports_isa(env, ISA_MIPS_R6) && decode_isa_rel6(ctx, ctx->opcode)) { 15366 return; 15367 } 15368 15369 if (decode_opc_legacy(env, ctx)) { 15370 return; 15371 } 15372 15373 gen_reserved_instruction(ctx); 15374 } 15375 15376 static void mips_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) 15377 { 15378 DisasContext *ctx = container_of(dcbase, DisasContext, base); 15379 CPUMIPSState *env = cpu_env(cs); 15380 15381 ctx->page_start = ctx->base.pc_first & TARGET_PAGE_MASK; 15382 ctx->saved_pc = -1; 15383 ctx->insn_flags = env->insn_flags; 15384 ctx->CP0_Config0 = env->CP0_Config0; 15385 ctx->CP0_Config1 = env->CP0_Config1; 15386 ctx->CP0_Config2 = env->CP0_Config2; 15387 ctx->CP0_Config3 = env->CP0_Config3; 15388 ctx->CP0_Config5 = env->CP0_Config5; 15389 ctx->btarget = 0; 15390 ctx->kscrexist = (env->CP0_Config4 >> CP0C4_KScrExist) & 0xff; 15391 ctx->rxi = (env->CP0_Config3 >> CP0C3_RXI) & 1; 15392 ctx->ie = (env->CP0_Config4 >> CP0C4_IE) & 3; 15393 ctx->bi = (env->CP0_Config3 >> CP0C3_BI) & 1; 15394 ctx->bp = (env->CP0_Config3 >> CP0C3_BP) & 1; 15395 ctx->PAMask = env->PAMask; 15396 ctx->mvh = (env->CP0_Config5 >> CP0C5_MVH) & 1; 15397 ctx->eva = (env->CP0_Config5 >> CP0C5_EVA) & 1; 15398 ctx->sc = (env->CP0_Config3 >> CP0C3_SC) & 1; 15399 ctx->CP0_LLAddr_shift = env->CP0_LLAddr_shift; 15400 ctx->cmgcr = (env->CP0_Config3 >> CP0C3_CMGCR) & 1; 15401 /* Restore delay slot state from the tb context. */ 15402 ctx->hflags = (uint32_t)ctx->base.tb->flags; /* FIXME: maybe use 64 bits? */ 15403 ctx->ulri = (env->CP0_Config3 >> CP0C3_ULRI) & 1; 15404 ctx->ps = ((env->active_fpu.fcr0 >> FCR0_PS) & 1) || 15405 (env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F)); 15406 ctx->vp = (env->CP0_Config5 >> CP0C5_VP) & 1; 15407 ctx->mrp = (env->CP0_Config5 >> CP0C5_MRP) & 1; 15408 ctx->nan2008 = (env->active_fpu.fcr31 >> FCR31_NAN2008) & 1; 15409 ctx->abs2008 = (env->active_fpu.fcr31 >> FCR31_ABS2008) & 1; 15410 ctx->mi = (env->CP0_Config5 >> CP0C5_MI) & 1; 15411 ctx->gi = (env->CP0_Config5 >> CP0C5_GI) & 3; 15412 restore_cpu_state(env, ctx); 15413 #ifdef CONFIG_USER_ONLY 15414 ctx->mem_idx = MIPS_HFLAG_UM; 15415 #else 15416 ctx->mem_idx = hflags_mmu_index(ctx->hflags); 15417 #endif 15418 ctx->default_tcg_memop_mask = (!(ctx->insn_flags & ISA_NANOMIPS32) && 15419 (ctx->insn_flags & (ISA_MIPS_R6 | 15420 INSN_LOONGSON3A))) ? MO_UNALN : MO_ALIGN; 15421 15422 /* 15423 * Execute a branch and its delay slot as a single instruction. 15424 * This is what GDB expects and is consistent with what the 15425 * hardware does (e.g. if a delay slot instruction faults, the 15426 * reported PC is the PC of the branch). 15427 */ 15428 if (ctx->base.singlestep_enabled && (ctx->hflags & MIPS_HFLAG_BMASK)) { 15429 ctx->base.max_insns = 2; 15430 } 15431 15432 LOG_DISAS("\ntb %p idx %d hflags %04x\n", ctx->base.tb, ctx->mem_idx, 15433 ctx->hflags); 15434 } 15435 15436 static void mips_tr_tb_start(DisasContextBase *dcbase, CPUState *cs) 15437 { 15438 } 15439 15440 static void mips_tr_insn_start(DisasContextBase *dcbase, CPUState *cs) 15441 { 15442 DisasContext *ctx = container_of(dcbase, DisasContext, base); 15443 15444 tcg_gen_insn_start(ctx->base.pc_next, ctx->hflags & MIPS_HFLAG_BMASK, 15445 ctx->btarget); 15446 } 15447 15448 static void mips_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs) 15449 { 15450 CPUMIPSState *env = cpu_env(cs); 15451 DisasContext *ctx = container_of(dcbase, DisasContext, base); 15452 int insn_bytes; 15453 int is_slot; 15454 15455 is_slot = ctx->hflags & MIPS_HFLAG_BMASK; 15456 if (ctx->insn_flags & ISA_NANOMIPS32) { 15457 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next); 15458 insn_bytes = decode_isa_nanomips(env, ctx); 15459 } else if (!(ctx->hflags & MIPS_HFLAG_M16)) { 15460 ctx->opcode = translator_ldl(env, &ctx->base, ctx->base.pc_next); 15461 insn_bytes = 4; 15462 decode_opc(env, ctx); 15463 } else if (ctx->insn_flags & ASE_MICROMIPS) { 15464 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next); 15465 insn_bytes = decode_isa_micromips(env, ctx); 15466 } else if (ctx->insn_flags & ASE_MIPS16) { 15467 ctx->opcode = translator_lduw(env, &ctx->base, ctx->base.pc_next); 15468 insn_bytes = decode_ase_mips16e(env, ctx); 15469 } else { 15470 gen_reserved_instruction(ctx); 15471 g_assert(ctx->base.is_jmp == DISAS_NORETURN); 15472 return; 15473 } 15474 15475 if (ctx->hflags & MIPS_HFLAG_BMASK) { 15476 if (!(ctx->hflags & (MIPS_HFLAG_BDS16 | MIPS_HFLAG_BDS32 | 15477 MIPS_HFLAG_FBNSLOT))) { 15478 /* 15479 * Force to generate branch as there is neither delay nor 15480 * forbidden slot. 15481 */ 15482 is_slot = 1; 15483 } 15484 if ((ctx->hflags & MIPS_HFLAG_M16) && 15485 (ctx->hflags & MIPS_HFLAG_FBNSLOT)) { 15486 /* 15487 * Force to generate branch as microMIPS R6 doesn't restrict 15488 * branches in the forbidden slot. 15489 */ 15490 is_slot = 1; 15491 } 15492 } 15493 if (is_slot) { 15494 gen_branch(ctx, insn_bytes); 15495 } 15496 if (ctx->base.is_jmp == DISAS_SEMIHOST) { 15497 generate_exception_err(ctx, EXCP_SEMIHOST, insn_bytes); 15498 } 15499 ctx->base.pc_next += insn_bytes; 15500 15501 if (ctx->base.is_jmp != DISAS_NEXT) { 15502 return; 15503 } 15504 15505 /* 15506 * End the TB on (most) page crossings. 15507 * See mips_tr_init_disas_context about single-stepping a branch 15508 * together with its delay slot. 15509 */ 15510 if (ctx->base.pc_next - ctx->page_start >= TARGET_PAGE_SIZE 15511 && !ctx->base.singlestep_enabled) { 15512 ctx->base.is_jmp = DISAS_TOO_MANY; 15513 } 15514 } 15515 15516 static void mips_tr_tb_stop(DisasContextBase *dcbase, CPUState *cs) 15517 { 15518 DisasContext *ctx = container_of(dcbase, DisasContext, base); 15519 15520 switch (ctx->base.is_jmp) { 15521 case DISAS_STOP: 15522 gen_save_pc(ctx->base.pc_next); 15523 tcg_gen_lookup_and_goto_ptr(); 15524 break; 15525 case DISAS_NEXT: 15526 case DISAS_TOO_MANY: 15527 save_cpu_state(ctx, 0); 15528 gen_goto_tb(ctx, 0, ctx->base.pc_next); 15529 break; 15530 case DISAS_EXIT: 15531 tcg_gen_exit_tb(NULL, 0); 15532 break; 15533 case DISAS_NORETURN: 15534 break; 15535 default: 15536 g_assert_not_reached(); 15537 } 15538 } 15539 15540 static void mips_tr_disas_log(const DisasContextBase *dcbase, 15541 CPUState *cs, FILE *logfile) 15542 { 15543 fprintf(logfile, "IN: %s\n", lookup_symbol(dcbase->pc_first)); 15544 target_disas(logfile, cs, dcbase->pc_first, dcbase->tb->size); 15545 } 15546 15547 static const TranslatorOps mips_tr_ops = { 15548 .init_disas_context = mips_tr_init_disas_context, 15549 .tb_start = mips_tr_tb_start, 15550 .insn_start = mips_tr_insn_start, 15551 .translate_insn = mips_tr_translate_insn, 15552 .tb_stop = mips_tr_tb_stop, 15553 .disas_log = mips_tr_disas_log, 15554 }; 15555 15556 void gen_intermediate_code(CPUState *cs, TranslationBlock *tb, int *max_insns, 15557 target_ulong pc, void *host_pc) 15558 { 15559 DisasContext ctx; 15560 15561 translator_loop(cs, tb, max_insns, pc, host_pc, &mips_tr_ops, &ctx.base); 15562 } 15563 15564 void mips_tcg_init(void) 15565 { 15566 cpu_gpr[0] = NULL; 15567 for (unsigned i = 1; i < 32; i++) 15568 cpu_gpr[i] = tcg_global_mem_new(tcg_env, 15569 offsetof(CPUMIPSState, 15570 active_tc.gpr[i]), 15571 regnames[i]); 15572 #if defined(TARGET_MIPS64) 15573 cpu_gpr_hi[0] = NULL; 15574 15575 for (unsigned i = 1; i < 32; i++) { 15576 g_autofree char *rname = g_strdup_printf("%s[hi]", regnames[i]); 15577 15578 cpu_gpr_hi[i] = tcg_global_mem_new_i64(tcg_env, 15579 offsetof(CPUMIPSState, 15580 active_tc.gpr_hi[i]), 15581 rname); 15582 } 15583 #endif /* !TARGET_MIPS64 */ 15584 for (unsigned i = 0; i < 32; i++) { 15585 int off = offsetof(CPUMIPSState, active_fpu.fpr[i].wr.d[0]); 15586 15587 fpu_f64[i] = tcg_global_mem_new_i64(tcg_env, off, fregnames[i]); 15588 } 15589 msa_translate_init(); 15590 cpu_PC = tcg_global_mem_new(tcg_env, 15591 offsetof(CPUMIPSState, active_tc.PC), "PC"); 15592 for (unsigned i = 0; i < MIPS_DSP_ACC; i++) { 15593 cpu_HI[i] = tcg_global_mem_new(tcg_env, 15594 offsetof(CPUMIPSState, active_tc.HI[i]), 15595 regnames_HI[i]); 15596 cpu_LO[i] = tcg_global_mem_new(tcg_env, 15597 offsetof(CPUMIPSState, active_tc.LO[i]), 15598 regnames_LO[i]); 15599 } 15600 cpu_dspctrl = tcg_global_mem_new(tcg_env, 15601 offsetof(CPUMIPSState, 15602 active_tc.DSPControl), 15603 "DSPControl"); 15604 bcond = tcg_global_mem_new(tcg_env, 15605 offsetof(CPUMIPSState, bcond), "bcond"); 15606 btarget = tcg_global_mem_new(tcg_env, 15607 offsetof(CPUMIPSState, btarget), "btarget"); 15608 hflags = tcg_global_mem_new_i32(tcg_env, 15609 offsetof(CPUMIPSState, hflags), "hflags"); 15610 15611 fpu_fcr0 = tcg_global_mem_new_i32(tcg_env, 15612 offsetof(CPUMIPSState, active_fpu.fcr0), 15613 "fcr0"); 15614 fpu_fcr31 = tcg_global_mem_new_i32(tcg_env, 15615 offsetof(CPUMIPSState, active_fpu.fcr31), 15616 "fcr31"); 15617 cpu_lladdr = tcg_global_mem_new(tcg_env, offsetof(CPUMIPSState, lladdr), 15618 "lladdr"); 15619 cpu_llval = tcg_global_mem_new(tcg_env, offsetof(CPUMIPSState, llval), 15620 "llval"); 15621 15622 if (TARGET_LONG_BITS == 32) { 15623 mxu_translate_init(); 15624 } 15625 } 15626 15627 void mips_restore_state_to_opc(CPUState *cs, 15628 const TranslationBlock *tb, 15629 const uint64_t *data) 15630 { 15631 MIPSCPU *cpu = MIPS_CPU(cs); 15632 CPUMIPSState *env = &cpu->env; 15633 15634 env->active_tc.PC = data[0]; 15635 env->hflags &= ~MIPS_HFLAG_BMASK; 15636 env->hflags |= data[1]; 15637 switch (env->hflags & MIPS_HFLAG_BMASK_BASE) { 15638 case MIPS_HFLAG_BR: 15639 break; 15640 case MIPS_HFLAG_BC: 15641 case MIPS_HFLAG_BL: 15642 case MIPS_HFLAG_B: 15643 env->btarget = data[2]; 15644 break; 15645 } 15646 } 15647