two_byte_opcodes.isa revision 10529:05b5a6cf3521
1// Copyright (c) 2007-2008 The Hewlett-Packard Development Company 2// All rights reserved. 3// 4// The license below extends only to copyright in the software and shall 5// not be construed as granting a license to any other intellectual 6// property including but not limited to intellectual property relating 7// to a hardware implementation of the functionality of the software 8// licensed hereunder. You may use the software subject to the license 9// terms below provided that you ensure that this notice is replicated 10// unmodified and in its entirety in all distributions of the software, 11// modified or unmodified, in source code or in binary form. 12// 13// Copyright (c) 2008 The Regents of The University of Michigan 14// All rights reserved. 15// 16// Redistribution and use in source and binary forms, with or without 17// modification, are permitted provided that the following conditions are 18// met: redistributions of source code must retain the above copyright 19// notice, this list of conditions and the following disclaimer; 20// redistributions in binary form must reproduce the above copyright 21// notice, this list of conditions and the following disclaimer in the 22// documentation and/or other materials provided with the distribution; 23// neither the name of the copyright holders nor the names of its 24// contributors may be used to endorse or promote products derived from 25// this software without specific prior written permission. 26// 27// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 28// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 29// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 30// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 31// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 32// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 33// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 34// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 35// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 36// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 37// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 38// 39// Authors: Gabe Black 40 41//////////////////////////////////////////////////////////////////// 42// 43// Decode the two byte opcodes 44// 450x2: decode OPCODE_PREFIXA { 46 0x0F: decode OPCODE_OP_TOP5 { 47 format WarnUnimpl { 48 0x00: decode OPCODE_OP_BOTTOM3 { 49 //0x00: group6(); 50 0x00: decode MODRM_REG { 51 0x0: sldt_Mw_or_Rv(); 52 0x1: str_Mw_or_Rv(); 53 0x2: Inst::LLDT(Ew); 54 0x3: Inst::LTR(Ew); 55 0x4: verr_Mw_or_Rv(); 56 0x5: verw_Mw_or_Rv(); 57 //0x6: jmpe_Ev(); // IA-64 58 default: Inst::UD2(); 59 } 60 //0x01: group7(); // Ugly, ugly, ugly... 61 0x01: decode MODRM_REG { 62 0x0: decode MODRM_MOD { 63 0x3: decode MODRM_RM { 64 0x1: vmcall(); 65 0x2: vmlaunch(); 66 0x3: vmresume(); 67 0x4: vmxoff(); 68 default: Inst::UD2(); 69 } 70 default: sgdt_Ms(); 71 } 72 0x1: decode MODRM_MOD { 73 0x3: decode MODRM_RM { 74 0x0: MonitorInst::monitor({{ 75 xc->armMonitor(Rax); 76 }}); 77 0x1: MwaitInst::mwait({{ 78 uint64_t m = 0; //mem 79 unsigned s = 0x8; //size 80 unsigned f = 0; //flags 81 readMemAtomic(xc, traceData, 82 xc->getAddrMonitor()->vAddr, 83 m, s, f); 84 xc->mwaitAtomic(xc->tcBase()); 85 MicroHalt hltObj(machInst, mnemonic, 0x0); 86 hltObj.execute(xc, traceData); 87 }}); 88 default: Inst::UD2(); 89 } 90 default: sidt_Ms(); 91 } 92 0x2: decode MODRM_MOD { 93 0x3: decode MODRM_RM { 94 0x0: xgetbv(); 95 0x1: xsetbv(); 96 } 97 default: decode MODE_SUBMODE { 98 0x0: Inst::LGDT(M); 99 default: decode OPSIZE { 100 // 16 bit operand sizes are special, but only 101 // in legacy and compatability modes. 102 0x2: Inst::LGDT_16(M); 103 default: Inst::LGDT(M); 104 } 105 } 106 } 107 0x3: decode MODRM_MOD { 108 0x3: decode MODRM_RM { 109 0x0: vmrun(); 110 0x1: vmmcall(); 111 0x2: vmload(); 112 0x3: vmsave(); 113 0x4: stgi(); 114 0x5: clgi(); 115 0x6: skinit(); 116 0x7: invlpga(); 117 } 118 default: decode MODE_SUBMODE { 119 0x0: Inst::LIDT(M); 120 default: decode OPSIZE { 121 // 16 bit operand sizes are special, but only 122 // in legacy and compatability modes. 123 0x2: Inst::LIDT_16(M); 124 default: Inst::LIDT(M); 125 } 126 } 127 } 128 0x4: decode MODRM_MOD { 129 0x3: Inst::SMSW(Rv); 130 default: Inst::SMSW(Mw); 131 } 132 0x6: Inst::LMSW(Ew); 133 0x7: decode MODRM_MOD { 134 0x3: decode MODRM_RM { 135 0x0: Inst::SWAPGS(); 136 0x1: rdtscp(); 137 default: Inst::UD2(); 138 } 139 default: Inst::INVLPG(M); 140 } 141 } 142 0x02: lar_Gv_Ew(); 143 0x03: lsl_Gv_Ew(); 144 // sandpile.org doesn't seem to know what this is...? We'll 145 // use it for pseudo instructions. We've got 16 bits of space 146 // to play with so there can be quite a few pseudo 147 // instructions. 148 //0x04: loadall_or_reset_or_hang(); 149 0x4: decode IMMEDIATE { 150 format BasicOperate { 151 0x00: m5arm({{ 152 PseudoInst::arm(xc->tcBase()); 153 }}, IsNonSpeculative); 154 0x01: m5quiesce({{ 155 PseudoInst::quiesce(xc->tcBase()); 156 }}, IsNonSpeculative, IsQuiesce); 157 0x02: m5quiesceNs({{ 158 PseudoInst::quiesceNs(xc->tcBase(), Rdi); 159 }}, IsNonSpeculative, IsQuiesce); 160 0x03: m5quiesceCycle({{ 161 PseudoInst::quiesceCycles(xc->tcBase(), Rdi); 162 }}, IsNonSpeculative, IsQuiesce); 163 0x04: m5quiesceTime({{ 164 Rax = PseudoInst::quiesceTime(xc->tcBase()); 165 }}, IsNonSpeculative); 166 0x07: m5rpns({{ 167 Rax = PseudoInst::rpns(xc->tcBase()); 168 }}, IsNonSpeculative); 169 0x21: m5exit({{ 170 PseudoInst::m5exit(xc->tcBase(), Rdi); 171 }}, IsNonSpeculative); 172 0x22: m5fail({{ 173 PseudoInst::m5fail(xc->tcBase(), Rdi, Rsi); 174 }}, IsNonSpeculative); 175 0x30: m5initparam({{ 176 Rax = PseudoInst::initParam(xc->tcBase()); 177 }}, IsNonSpeculative); 178 0x31: m5loadsymbol({{ 179 PseudoInst::loadsymbol(xc->tcBase()); 180 }}, IsNonSpeculative); 181 0x40: m5resetstats({{ 182 PseudoInst::resetstats(xc->tcBase(), Rdi, Rsi); 183 }}, IsNonSpeculative); 184 0x41: m5dumpstats({{ 185 PseudoInst::dumpstats(xc->tcBase(), Rdi, Rsi); 186 }}, IsNonSpeculative); 187 0x42: m5dumpresetstats({{ 188 PseudoInst::dumpresetstats(xc->tcBase(), Rdi, Rsi); 189 }}, IsNonSpeculative); 190 0x43: m5checkpoint({{ 191 PseudoInst::m5checkpoint(xc->tcBase(), Rdi, Rsi); 192 }}, IsNonSpeculative); 193 0x50: m5readfile({{ 194 Rax = PseudoInst::readfile( 195 xc->tcBase(), Rdi, Rsi, Rdx); 196 }}, IsNonSpeculative); 197 0x51: m5debugbreak({{ 198 PseudoInst::debugbreak(xc->tcBase()); 199 }}, IsNonSpeculative); 200 0x52: m5switchcpu({{ 201 PseudoInst::switchcpu(xc->tcBase()); 202 }}, IsNonSpeculative); 203 0x53: m5addsymbol({{ 204 PseudoInst::addsymbol(xc->tcBase(), Rdi, Rsi); 205 }}, IsNonSpeculative); 206 0x54: m5panic({{ 207 panic("M5 panic instruction called at pc = %#x.\n", 208 RIP); 209 }}, IsNonSpeculative); 210 0x55: m5reserved1({{ 211 warn("M5 reserved opcode 1 ignored.\n"); 212 }}, IsNonSpeculative); 213 0x56: m5reserved2({{ 214 warn("M5 reserved opcode 2 ignored.\n"); 215 }}, IsNonSpeculative); 216 0x57: m5reserved3({{ 217 warn("M5 reserved opcode 3 ignored.\n"); 218 }}, IsNonSpeculative); 219 0x58: m5reserved4({{ 220 warn("M5 reserved opcode 4 ignored.\n"); 221 }}, IsNonSpeculative); 222 0x59: m5reserved5({{ 223 warn("M5 reserved opcode 5 ignored.\n"); 224 }}, IsNonSpeculative); 225 0x5a: m5_work_begin({{ 226 PseudoInst::workbegin(xc->tcBase(), Rdi, Rsi); 227 }}, IsNonSpeculative); 228 0x5b: m5_work_end({{ 229 PseudoInst::workend(xc->tcBase(), Rdi, Rsi); 230 }}, IsNonSpeculative); 231 default: Inst::UD2(); 232 } 233 } 234 0x05: decode FullSystemInt { 235 0: SyscallInst::syscall('xc->syscall(Rax)', 236 IsSyscall, IsNonSpeculative, IsSerializeAfter); 237 default: decode MODE_MODE { 238 0x0: decode MODE_SUBMODE { 239 0x0: Inst::SYSCALL_64(); 240 0x1: Inst::SYSCALL_COMPAT(); 241 } 242 0x1: Inst::SYSCALL_LEGACY(); 243 } 244 } 245 0x06: Inst::CLTS(); 246 0x07: decode MODE_SUBMODE { 247 0x0: decode OPSIZE { 248 // Return to 64 bit mode. 249 0x8: Inst::SYSRET_TO_64(); 250 // Return to compatibility mode. 251 default: Inst::SYSRET_TO_COMPAT(); 252 } 253 default: Inst::SYSRET_NON_64(); 254 } 255 } 256 0x01: decode OPCODE_OP_BOTTOM3 { 257 0x0: invd(); 258 0x1: wbinvd(); 259 0x2: Inst::UD2(); 260 0x3: Inst::UD2(); 261 0x4: Inst::UD2(); 262 0x5: Inst::PREFETCH(Mb); 263 0x6: FailUnimpl::femms(); 264 0x7: decode IMMEDIATE { 265 0x0C: pi2fw_Pq_Qq(); 266 0x0D: pi2fd_Pq_Qq(); 267 0x1C: pf2iw_Pq_Qq(); 268 0x1D: pf2id_Pq_Qq(); 269 0x8A: pfnacc_Pq_Qq(); 270 0x8E: pfpnacc_Pq_Qq(); 271 0x90: pfcmpge_Pq_Qq(); 272 0x94: pfmin_Pq_Qq(); 273 0x96: pfrcp_Pq_Qq(); 274 0x97: pfrsqrt_Pq_Qq(); 275 0x9A: Inst::PFSUB(Pq,Qq); 276 0x9E: pfadd_Pq_Qq(); 277 0xA0: pfcmpgt_Pq_Qq(); 278 0xA4: pfmax_Pq_Qq(); 279 0xA6: pfrcpit1_Pq_Qq(); 280 0xA7: pfrsqit1_Pq_Qq(); 281 0xAA: Inst::PFSUBR(Pq,Qq); 282 0xAE: pfacc_Pq_Qq(); 283 0xB0: pfcmpeq_Pq_Qq(); 284 0xB4: Inst::PFMUL(Pq,Qq); 285 0xB6: pfrcpit2_Pq_Qq(); 286 0xB7: Inst::PMULHRW(Pq,Qq); 287 0xBB: pswapd_Pq_Qq(); 288 0xBF: pavgusb_Pq_Qq(); 289 default: Inst::UD2(); 290 } 291 } 292 format Inst{ 293 0x02: decode LEGACY_DECODEVAL { 294 // no prefix 295 0x0: decode OPCODE_OP_BOTTOM3 { 296 0x0: MOVUPS(Vo,Wo); 297 0x1: MOVUPS(Wo,Vo); 298 0x2: decode MODRM_MOD { 299 0x3: MOVHLPS(Vps,VRq); 300 default: MOVLPS(Vps,Mq); 301 } 302 0x3: MOVLPS(Mq,Vps); 303 0x4: UNPCKLPS(Vps,Wq); 304 0x5: UNPCKHPS(Vps,Wq); 305 0x6: decode MODRM_MOD { 306 0x3: MOVLHPS(Vps,VRq); 307 default: MOVHPS(Vps,Mq); 308 } 309 0x7: MOVHPS(Mq,Vq); 310 } 311 // repe (0xF3) 312 0x4: decode OPCODE_OP_BOTTOM3 { 313 0x0: MOVSS(Vd,Wd); 314 0x1: MOVSS(Wd,Vd); 315 0x2: WarnUnimpl::movsldup_Vo_Wo(); 316 0x6: WarnUnimpl::movshdup_Vo_Wo(); 317 default: UD2(); 318 } 319 // operand size (0x66) 320 0x1: decode OPCODE_OP_BOTTOM3 { 321 0x0: MOVUPD(Vo,Wo); 322 0x1: MOVUPD(Wo,Vo); 323 0x2: MOVLPD(Vq,Mq); 324 0x3: MOVLPD(Mq,Vq); 325 0x4: UNPCKLPD(Vo,Wq); 326 0x5: UNPCKHPD(Vo,Wo); 327 0x6: MOVHPD(Vq,Mq); 328 0x7: MOVHPD(Mq,Vq); 329 } 330 // repne (0xF2) 331 0x8: decode OPCODE_OP_BOTTOM3 { 332 0x0: MOVSD(Vq,Wq); 333 0x1: MOVSD(Wq,Vq); 334 0x2: MOVDDUP(Vo,Wq); 335 default: UD2(); 336 } 337 default: UD2(); 338 } 339 0x03: decode OPCODE_OP_BOTTOM3 { 340 //group16(); 341 0x0: decode MODRM_REG { 342 0x0: WarnUnimpl::prefetch_nta(); 343 0x1: PREFETCH_T0(Mb); 344 0x2: WarnUnimpl::prefetch_t1(); 345 0x3: WarnUnimpl::prefetch_t2(); 346 default: HINT_NOP(); 347 } 348 0x1: HINT_NOP(); 349 0x2: HINT_NOP(); 350 0x3: HINT_NOP(); 351 0x4: HINT_NOP(); 352 0x5: HINT_NOP(); 353 0x6: HINT_NOP(); 354 0x7: HINT_NOP(); 355 } 356 0x04: decode LEGACY_DECODEVAL { 357 // no prefix 358 0x0: decode OPCODE_OP_BOTTOM3 { 359 0x0: MOV(Rd,Cd); 360 0x1: MOV(Rd,Dd); 361 0x2: MOV(Cd,Rd); 362 0x3: MOV(Dd,Rd); 363 default: UD2(); 364 } 365 default: UD2(); 366 } 367 0x05: decode LEGACY_DECODEVAL { 368 // no prefix 369 0x0: decode OPCODE_OP_BOTTOM3 { 370 //These moves should really use size o (octword), but 371 //because they are split in two, they use q (quadword). 372 0x0: MOVAPS(Vq,Wq); 373 0x1: MOVAPS(Wq,Vq); 374 0x2: CVTPI2PS(Vq,Qq); 375 0x3: WarnUnimpl::movntps_Mo_Vo(); 376 0x4: CVTTPS2PI(Pq,Wq); 377 0x5: CVTPS2PI(Pq,Wq); 378 0x6: UCOMISS(Vd,Wd); 379 0x7: COMISS(Vd,Wd); 380 } 381 // repe (0xF3) 382 0x4: decode OPCODE_OP_BOTTOM3 { 383 0x2: CVTSI2SS(Vd,Ed); 384 0x4: CVTTSS2SI(Gd,Wd); 385 0x5: CVTSS2SI(Gd,Wd); 386 default: UD2(); 387 } 388 // operand size (0x66) 389 0x1: decode OPCODE_OP_BOTTOM3 { 390 0x0: MOVAPD(Vo,Wo); 391 0x1: MOVAPD(Wo,Vo); 392 0x2: CVTPI2PD(Vo,Qq); 393 0x3: WarnUnimpl::movntpd_Mo_Vo(); 394 0x4: CVTTPD2PI(Pq,Wo); 395 0x5: CVTPD2PI(Pq,Wo); 396 0x6: UCOMISD(Vq,Wq); 397 0x7: COMISD(Vq,Wq); 398 } 399 // repne (0xF2) 400 0x8: decode OPCODE_OP_BOTTOM3 { 401 // The size of the V operand should be q, not dp 402 0x2: CVTSI2SD(Vdp,Edp); 403 // The size of the W operand should be q, not dp 404 0x4: CVTTSD2SI(Gdp,Wdp); 405 0x5: CVTSD2SI(Gd,Wq); 406 default: UD2(); 407 } 408 default: UD2(); 409 } 410 } 411 0x06: decode OPCODE_OP_BOTTOM3 { 412 0x0: Inst::WRMSR(); 413 0x1: Inst::RDTSC(); 414 0x2: Inst::RDMSR(); 415 0x3: rdpmc(); 416 0x4: decode FullSystemInt { 417 0: SyscallInst::sysenter('xc->syscall(Rax)', 418 IsSyscall, IsNonSpeculative, IsSerializeAfter); 419 default: sysenter(); 420 } 421 0x5: sysexit(); 422 0x6: Inst::UD2(); 423 0x7: getsec(); 424 } 425 0x07: decode OPCODE_OP_BOTTOM3 { 426 0x0: M5InternalError::error( 427 {{"Three byte opcode shouldn't be handled by " 428 "two_byte_opcodes.isa!"}}); 429 0x2: M5InternalError::error( 430 {{"Three byte opcode shouldn't be handled by " 431 "two_byte_opcodes.isa!"}}); 432 default: UD2(); 433 } 434 format Inst { 435 0x08: decode OPCODE_OP_BOTTOM3 { 436 0x0: CMOVO(Gv,Ev); 437 0x1: CMOVNO(Gv,Ev); 438 0x2: CMOVB(Gv,Ev); 439 0x3: CMOVNB(Gv,Ev); 440 0x4: CMOVZ(Gv,Ev); 441 0x5: CMOVNZ(Gv,Ev); 442 0x6: CMOVBE(Gv,Ev); 443 0x7: CMOVNBE(Gv,Ev); 444 } 445 0x09: decode OPCODE_OP_BOTTOM3 { 446 0x0: CMOVS(Gv,Ev); 447 0x1: CMOVNS(Gv,Ev); 448 0x2: CMOVP(Gv,Ev); 449 0x3: CMOVNP(Gv,Ev); 450 0x4: CMOVL(Gv,Ev); 451 0x5: CMOVNL(Gv,Ev); 452 0x6: CMOVLE(Gv,Ev); 453 0x7: CMOVNLE(Gv,Ev); 454 } 455 0x0A: decode LEGACY_DECODEVAL { 456 // no prefix 457 0x0: decode OPCODE_OP_BOTTOM3 { 458 0x0: MOVMSKPS(Gd,VRo); 459 0x1: SQRTPS(Vo,Wo); 460 0x2: WarnUnimpl::rqsrtps_Vo_Wo(); 461 0x3: WarnUnimpl::rcpps_Vo_Wo(); 462 0x4: ANDPS(Vo,Wo); 463 0x5: ANDNPS(Vo,Wo); 464 0x6: ORPS(Vo,Wo); 465 0x7: XORPS(Vo,Wo); 466 } 467 // repe (0xF3) 468 0x4: decode OPCODE_OP_BOTTOM3 { 469 0x1: SQRTSS(Vd,Wd); 470 0x2: WarnUnimpl::rsqrtss_Vd_Wd(); 471 0x3: WarnUnimpl::rcpss_Vd_Wd(); 472 default: UD2(); 473 } 474 // operand size (0x66) 475 0x1: decode OPCODE_OP_BOTTOM3 { 476 0x0: MOVMSKPD(Gd,VRo); 477 0x1: SQRTPD(Vo,Wo); 478 0x4: ANDPD(Vo,Wo); 479 0x5: ANDNPD(Vo,Wo); 480 0x6: ORPD(Vo,Wo); 481 0x7: XORPD(Vo,Wo); 482 default: UD2(); 483 } 484 // repne (0xF2) 485 0x8: decode OPCODE_OP_BOTTOM3 { 486 0x1: SQRTSD(Vq,Wq); 487 default: UD2(); 488 } 489 default: UD2(); 490 } 491 0x0B: decode LEGACY_DECODEVAL { 492 // no prefix 493 0x0: decode OPCODE_OP_BOTTOM3 { 494 0x0: ADDPS(Vo,Wo); 495 0x1: MULPS(Vo,Wo); 496 0x2: CVTPS2PD(Vo,Wq); 497 0x3: CVTDQ2PS(Vo,Wo); 498 0x4: SUBPS(Vo,Wo); 499 0x5: MINPS(Vo,Wo); 500 0x6: DIVPS(Vo,Wo); 501 0x7: MAXPS(Vo,Wo); 502 } 503 // repe (0xF3) 504 0x4: decode OPCODE_OP_BOTTOM3 { 505 0x0: ADDSS(Vd,Wd); 506 0x1: MULSS(Vd,Wd); 507 0x2: CVTSS2SD(Vq,Wd); 508 0x3: CVTTPS2DQ(Vo,Wo); 509 0x4: SUBSS(Vd,Wd); 510 0x5: MINSS(Vd,Wd); 511 0x6: DIVSS(Vd,Wd); 512 0x7: MAXSS(Vd,Wd); 513 } 514 // operand size (0x66) 515 0x1: decode OPCODE_OP_BOTTOM3 { 516 0x0: ADDPD(Vo,Wo); 517 0x1: MULPD(Vo,Wo); 518 0x2: CVTPD2PS(Vo,Wo); 519 0x3: CVTPS2DQ(Vo,Wo); 520 0x4: SUBPD(Vo,Wo); 521 0x5: MINPD(Vo,Wo); 522 0x6: DIVPD(Vo,Wo); 523 0x7: MAXPD(Vo,Wo); 524 } 525 // repne (0xF2) 526 0x8: decode OPCODE_OP_BOTTOM3 { 527 0x0: ADDSD(Vq,Wq); 528 0x1: MULSD(Vq,Wq); 529 0x2: CVTSD2SS(Vd,Wq); 530 0x4: SUBSD(Vq,Wq); 531 0x5: MINSD(Vq,Wq); 532 0x6: DIVSD(Vq,Wq); 533 0x7: MAXSD(Vq,Wq); 534 default: UD2(); 535 } 536 default: UD2(); 537 } 538 0x0C: decode LEGACY_DECODEVAL { 539 // no prefix 540 0x0: decode OPCODE_OP_BOTTOM3 { 541 0x0: PUNPCKLBW(Pq,Qd); 542 0x1: PUNPCKLWD(Pq,Qd); 543 0x2: PUNPCKLDQ(Pq,Qd); 544 0x3: PACKSSWB(Pq,Qq); 545 0x4: PCMPGTB(Pq,Qq); 546 0x5: PCMPGTW(Pq,Qq); 547 0x6: PCMPGTD(Pq,Qq); 548 0x7: PACKUSWB(Pq,Qq); 549 } 550 // operand size (0x66) 551 0x1: decode OPCODE_OP_BOTTOM3 { 552 0x0: PUNPCKLBW(Vo,Wq); 553 0x1: PUNPCKLWD(Vo,Wq); 554 0x2: PUNPCKLDQ(Vo,Wq); 555 0x3: PACKSSWB(Vo,Wo); 556 0x4: PCMPGTB(Vo,Wo); 557 0x5: PCMPGTW(Vo,Wo); 558 0x6: PCMPGTD(Vo,Wo); 559 0x7: PACKUSWB(Vo,Wo); 560 } 561 default: UD2(); 562 } 563 0x0D: decode LEGACY_DECODEVAL { 564 // no prefix 565 0x0: decode OPCODE_OP_BOTTOM3 { 566 0x0: PUNPCKHBW(Pq,Qq); 567 0x1: PUNPCKHWD(Pq,Qq); 568 0x2: PUNPCKHDQ(Pq,Qq); 569 0x3: PACKSSDW(Pq,Qq); 570 0x6: MOVD(Pq,Edp); 571 0x7: MOVQ(Pq,Qq); 572 default: UD2(); 573 } 574 // repe (0xF3) 575 0x4: decode OPCODE_OP_BOTTOM3 { 576 0x7: MOVDQU(Vo,Wo); 577 default: UD2(); 578 } 579 // operand size (0x66) 580 0x1: decode OPCODE_OP_BOTTOM3 { 581 0x0: PUNPCKHBW(Vo,Wo); 582 0x1: PUNPCKHWD(Vo,Wo); 583 0x2: PUNPCKHDQ(Vo,Wo); 584 0x3: PACKSSDW(Vo,Wo); 585 0x4: PUNPCKLQDQ(Vo,Wq); 586 0x5: PUNPCKHQDQ(Vo,Wq); 587 0x6: MOVD(Vo,Edp); 588 0x7: MOVDQA(Vo,Wo); 589 } 590 default: UD2(); 591 } 592 0x0E: decode LEGACY_DECODEVAL { 593 // no prefix 594 0x0: decode OPCODE_OP_BOTTOM3 { 595 0x0: PSHUFW(Pq,Qq,Ib); 596 //0x1: group12_pshimw(); 597 0x1: decode MODRM_REG { 598 0x2: PSRLW(PRq,Ib); 599 0x4: PSRAW(PRq,Ib); 600 0x6: PSLLW(PRq,Ib); 601 default: UD2(); 602 } 603 //0x2: group13_pshimd(); 604 0x2: decode MODRM_REG { 605 0x2: PSRLD(PRq,Ib); 606 0x4: PSRAD(PRq,Ib); 607 0x6: PSLLD(PRq,Ib); 608 default: UD2(); 609 } 610 //0x3: group14_pshimq(); 611 0x3: decode MODRM_REG { 612 0x2: PSRLQ(PRq,Ib); 613 0x6: PSLLQ(PRq,Ib); 614 default: Inst::UD2(); 615 } 616 0x4: Inst::PCMPEQB(Pq,Qq); 617 0x5: Inst::PCMPEQW(Pq,Qq); 618 0x6: Inst::PCMPEQD(Pq,Qq); 619 0x7: Inst::EMMS(); 620 } 621 // repe (0xF3) 622 0x4: decode OPCODE_OP_BOTTOM3 { 623 0x0: PSHUFHW(Vo,Wo,Ib); 624 default: UD2(); 625 } 626 // operand size (0x66) 627 0x1: decode OPCODE_OP_BOTTOM3 { 628 0x0: PSHUFD(Vo,Wo,Ib); 629 //0x1: group12_pshimw(); 630 0x1: decode MODRM_REG { 631 0x2: PSRLW(VRo,Ib); 632 0x4: PSRAW(VRo,Ib); 633 0x6: PSLLW(VRo,Ib); 634 } 635 //0x2: group13_pshimd(); 636 0x2: decode MODRM_REG { 637 0x2: PSRLD(VRo,Ib); 638 0x4: PSRAD(VRo,Ib); 639 0x6: PSLLD(VRo,Ib); 640 default: UD2(); 641 } 642 //0x3: group14_pshimq(); 643 0x3: decode MODRM_REG { 644 0x2: PSRLQ(VRo,Ib); 645 0x3: PSRLDQ(VRo,Ib); 646 0x6: PSLLQ(VRo,Ib); 647 0x7: PSLLDQ(VRo,Ib); 648 default: UD2(); 649 } 650 0x4: PCMPEQB(Vo,Wo); 651 0x5: PCMPEQW(Vo,Wo); 652 0x6: PCMPEQD(Vo,Wo); 653 default: UD2(); 654 } 655 // repne (0xF2) 656 0x8: decode OPCODE_OP_BOTTOM3 { 657 0x0: PSHUFLW(Vo,Wo,Ib); 658 default: UD2(); 659 } 660 default: UD2(); 661 } 662 0x0F: decode LEGACY_DECODEVAL { 663 // no prefix 664 0x0: decode OPCODE_OP_BOTTOM3 { 665 0x0: WarnUnimpl::vmread_Edp_Gdp(); 666 0x1: WarnUnimpl::vmwrite_Gdp_Edp(); 667 0x6: MOVD(Edp,Pdp); 668 0x7: MOVQ(Qq,Pq); 669 default: UD2(); 670 } 671 // repe (0xF3) 672 0x4: decode OPCODE_OP_BOTTOM3 { 673 0x6: MOVQ(Vq,Wq); 674 0x7: MOVDQU(Wo,Vo); 675 default: UD2(); 676 } 677 // operand size (0x66) 678 0x1: decode OPCODE_OP_BOTTOM3 { 679 0x4: HADDPD(Vo,Wo); 680 0x5: WarnUnimpl::hsubpd_Vo_Wo(); 681 0x6: MOVD(Edp,Vd); 682 0x7: MOVDQA(Wo,Vo); 683 default: UD2(); 684 } 685 // repne (0xF2) 686 0x8: decode OPCODE_OP_BOTTOM3 { 687 0x4: HADDPS(Vo,Wo); 688 0x5: WarnUnimpl::hsubps_Vo_Wo(); 689 default: UD2(); 690 } 691 default: UD2(); 692 } 693 0x10: decode OPCODE_OP_BOTTOM3 { 694 0x0: JO(Jz); 695 0x1: JNO(Jz); 696 0x2: JB(Jz); 697 0x3: JNB(Jz); 698 0x4: JZ(Jz); 699 0x5: JNZ(Jz); 700 0x6: JBE(Jz); 701 0x7: JNBE(Jz); 702 } 703 0x11: decode OPCODE_OP_BOTTOM3 { 704 0x0: JS(Jz); 705 0x1: JNS(Jz); 706 0x2: JP(Jz); 707 0x3: JNP(Jz); 708 0x4: JL(Jz); 709 0x5: JNL(Jz); 710 0x6: JLE(Jz); 711 0x7: JNLE(Jz); 712 } 713 0x12: decode OPCODE_OP_BOTTOM3 { 714 0x0: SETO(Eb); 715 0x1: SETNO(Eb); 716 0x2: SETB(Eb); 717 0x3: SETNB(Eb); 718 0x4: SETZ(Eb); 719 0x5: SETNZ(Eb); 720 0x6: SETBE(Eb); 721 0x7: SETNBE(Eb); 722 } 723 0x13: decode OPCODE_OP_BOTTOM3 { 724 0x0: SETS(Eb); 725 0x1: SETNS(Eb); 726 0x2: SETP(Eb); 727 0x3: SETNP(Eb); 728 0x4: SETL(Eb); 729 0x5: SETNL(Eb); 730 0x6: SETLE(Eb); 731 0x7: SETNLE(Eb); 732 } 733 } 734 0x14: decode OPCODE_OP_BOTTOM3 { 735 0x0: push_fs(); 736 0x1: pop_fs(); 737 0x2: CPUIDInst::CPUID({{ 738 CpuidResult result; 739 bool success = doCpuid(xc->tcBase(), bits(Rax, 31, 0), 740 bits(Rcx, 31, 0), result); 741 if (success) { 742 Rax = result.rax; 743 Rbx = result.rbx; 744 Rcx = result.rcx; 745 Rdx = result.rdx; 746 } else { 747 Rax = Rax; 748 Rbx = Rbx; 749 Rcx = Rcx; 750 Rdx = Rdx; 751 } 752 }}); 753 0x3: Inst::BT(Ev,Gv); 754 0x4: Inst::SHLD(Ev,Gv,Ib); 755 0x5: Inst::SHLD(Ev,Gv); 756 default: Inst::UD2(); 757 } 758 0x15: decode OPCODE_OP_BOTTOM3 { 759 0x0: push_gs(); 760 0x1: pop_gs(); 761 0x2: rsm_smm(); 762 0x3: Inst::BTS(Ev,Gv); 763 0x4: Inst::SHRD(Ev,Gv,Ib); 764 0x5: Inst::SHRD(Ev,Gv); 765 //0x6: group15(); 766 0x6: decode MODRM_MOD { 767 0x3: decode MODRM_REG { 768 0x5: BasicOperate::LFENCE( 769 {{/*Nothing*/}}, IsReadBarrier); 770 0x6: BasicOperate::MFENCE( 771 {{/*Nothing*/}}, IsMemBarrier); 772 0x7: BasicOperate::SFENCE( 773 {{/*Nothing*/}}, IsWriteBarrier); 774 default: Inst::UD2(); 775 } 776 default: decode MODRM_REG { 777 0x0: decode OPSIZE { 778 4: Inst::FXSAVE(M); 779 8: Inst::FXSAVE64(M); 780 default: fxsave(); 781 } 782 0x1: decode OPSIZE { 783 4: Inst::FXRSTOR(M); 784 8: Inst::FXRSTOR64(M); 785 default: fxrstor(); 786 } 787 0x2: Inst::LDMXCSR(Md); 788 0x3: Inst::STMXCSR(Md); 789 0x4: xsave(); 790 0x5: xrstor(); 791 0x6: Inst::UD2(); 792 0x7: clflush(); 793 } 794 } 795 0x7: Inst::IMUL(Gv,Ev); 796 } 797 format Inst { 798 0x16: decode OPCODE_OP_BOTTOM3 { 799 0x0: CMPXCHG(Eb,Gb); 800 0x1: CMPXCHG(Ev,Gv); 801 0x2: WarnUnimpl::lss_Gz_Mp(); 802 0x3: BTR(Ev,Gv); 803 0x4: WarnUnimpl::lfs_Gz_Mp(); 804 0x5: WarnUnimpl::lgs_Gz_Mp(); 805 //The size of the second operand in these instructions 806 //should really be "b" or "w", but it's set to v in order 807 //to have a consistent register size. This shouldn't 808 //affect behavior. 809 0x6: MOVZX_B(Gv,Ev); 810 0x7: MOVZX_W(Gv,Ev); 811 } 812 0x17: decode OPCODE_OP_BOTTOM3 { 813 0x0: decode LEGACY_REP { 814 0x0: WarnUnimpl::jmpe_Jz(); 815 0x1: WarnUnimpl::popcnt_Gv_Ev(); 816 } 817 //0x1: group10_UD2(); 818 0x1: UD2(); 819 //0x2: group8_Ev_Ib(); 820 0x2: decode MODRM_REG { 821 0x4: BT(Ev,Ib); 822 0x5: BTS(Ev,Ib); 823 0x6: BTR(Ev,Ib); 824 0x7: BTC(Ev,Ib); 825 default: UD2(); 826 } 827 0x3: BTC(Ev,Gv); 828 0x4: BSF(Gv,Ev); 829 0x5: BSR(Gv,Ev); 830 //The size of the second operand in these instructions 831 //should really be "b" or "w", but it's set to v in order 832 //to have a consistent register size. This shouldn't 833 //affect behavior. 834 0x6: MOVSX_B(Gv,Ev); 835 0x7: MOVSX_W(Gv,Ev); 836 } 837 0x18: decode OPCODE_OP_BOTTOM3 { 838 0x0: XADD(Eb,Gb); 839 0x1: XADD(Ev,Gv); 840 //0x7: group9(); 841 0x7: decode MODRM_REG { 842 //Also CMPXCHG16B 843 0x1: CMPXCHG8B(Mdp); 844 0x6: decode LEGACY_OP { 845 0x1: WarnUnimpl::vmclear_Mq(); 846 default: decode LEGACY_REP { 847 0x1: WarnUnimpl::vmxon_Mq(); 848 0x0: WarnUnimpl::vmptrld_Mq(); 849 } 850 } 851 0x7: WarnUnimpl::vmptrst_Mq(); 852 default: UD2(); 853 } 854 default: decode LEGACY_DECODEVAL { 855 // no prefix 856 0x0: decode OPCODE_OP_BOTTOM3 { 857 0x2: CMPPS(Vo,Wo,Ib); 858 0x3: MOVNTI(Mdp,Gdp); 859 0x4: PINSRW(Pq,Ew,Ib); 860 0x5: PEXTRW(Gd,PRq,Ib); 861 0x6: SHUFPS(Vps,Wps,Ib); 862 } 863 // repe (0xF3) 864 0x4: decode OPCODE_OP_BOTTOM3 { 865 0x2: CMPSS(Vd,Wd,Ib); 866 default: UD2(); 867 } 868 // operand size (0x66) 869 0x1: decode OPCODE_OP_BOTTOM3 { 870 0x2: CMPPD(Vo,Wo,Ib); 871 0x4: PINSRW(Vdw,Ew,Ib); 872 0x5: PEXTRW(Gd,VRdq,Ib); 873 0x6: SHUFPD(Vpd,Wpd,Ib); 874 default: UD2(); 875 } 876 // repne (0xF2) 877 0x8: decode OPCODE_OP_BOTTOM3 { 878 0x2: CMPSD(Vq,Wq,Ib); 879 default: UD2(); 880 } 881 default: UD2(); 882 } 883 } 884 0x19: decode OPSIZE { 885 4: BSWAP_D(Bd); 886 8: BSWAP_Q(Bq); 887 default: UD2(); 888 } 889 0x1A: decode LEGACY_DECODEVAL { 890 // no prefix 891 0x0: decode OPCODE_OP_BOTTOM3 { 892 0x1: PSRLW(Pq,Qq); 893 0x2: PSRLD(Pq,Qq); 894 0x3: PSRLQ(Pq,Qq); 895 0x4: PADDQ(Pq,Qq); 896 0x5: PMULLW(Pq,Qq); 897 0x7: PMOVMSKB(Gd,PRq); 898 default: UD2(); 899 } 900 // repe (0xF3) 901 0x4: decode OPCODE_OP_BOTTOM3 { 902 0x6: MOVQ2DQ(Vo,PRq); 903 default: UD2(); 904 } 905 // operand size (0x66) 906 0x1: decode OPCODE_OP_BOTTOM3 { 907 0x0: WarnUnimpl::addsubpd_Vo_Wo(); 908 0x1: PSRLW(Vo,Wo); 909 0x2: PSRLD(Vo,Wo); 910 0x3: PSRLQ(Vo,Wo); 911 0x4: PADDQ(Vo,Wo); 912 0x5: PMULLW(Vo,Wo); 913 0x6: MOVQ(Wq,Vq); 914 0x7: PMOVMSKB(Gd,VRo); 915 } 916 // repne (0xF2) 917 0x8: decode OPCODE_OP_BOTTOM3 { 918 0x0: WarnUnimpl::addsubps_Vo_Wo(); 919 0x6: MOVDQ2Q(Pq,VRq); 920 default: UD2(); 921 } 922 default: UD2(); 923 } 924 0x1B: decode LEGACY_DECODEVAL { 925 // no prefix 926 0x0: decode OPCODE_OP_BOTTOM3 { 927 0x0: PSUBUSB(Pq,Qq); 928 0x1: PSUBUSW(Pq,Qq); 929 0x2: PMINUB(Pq,Qq); 930 0x3: PAND(Pq,Qq); 931 0x4: PADDUSB(Pq,Qq); 932 0x5: PADDUSW(Pq,Qq); 933 0x6: PMAXUB(Pq,Qq); 934 0x7: PANDN(Pq,Qq); 935 } 936 // operand size (0x66) 937 0x1: decode OPCODE_OP_BOTTOM3 { 938 0x0: PSUBUSB(Vo,Wo); 939 0x1: PSUBUSW(Vo,Wo); 940 0x2: PMINUB(Vo,Wo); 941 0x3: PAND(Vo,Wo); 942 0x4: PADDUSB(Vo,Wo); 943 0x5: PADDUSW(Vo,Wo); 944 0x6: PMAXUB(Vo,Wo); 945 0x7: PANDN(Vo,Wo); 946 } 947 default: UD2(); 948 } 949 0x1C: decode LEGACY_DECODEVAL { 950 // no prefix 951 0x0: decode OPCODE_OP_BOTTOM3 { 952 0x0: PAVGB(Pq,Qq); 953 0x1: PSRAW(Pq,Qq); 954 0x2: PSRAD(Pq,Qq); 955 0x3: PAVGW(Pq,Qq); 956 0x4: PMULHUW(Pq,Qq); 957 0x5: PMULHW(Pq,Qq); 958 0x7: WarnUnimpl::movntq_Mq_Pq(); 959 default: UD2(); 960 } 961 // repe (0xF3) 962 0x4: decode OPCODE_OP_BOTTOM3 { 963 0x6: CVTDQ2PD(Vo,Wq); 964 default: UD2(); 965 } 966 // operand size (0x66) 967 0x1: decode OPCODE_OP_BOTTOM3 { 968 0x0: PAVGB(Vo,Wo); 969 0x1: PSRAW(Vo,Wo); 970 0x2: PSRAD(Vo,Wo); 971 0x3: PAVGW(Vo,Wo); 972 0x4: PMULHUW(Vo,Wo); 973 0x5: PMULHW(Vo,Wo); 974 0x6: CVTTPD2DQ(Vo,Wo); 975 0x7: WarnUnimpl::movntdq_Mo_Vo(); 976 } 977 // repne (0xF2) 978 0x8: decode OPCODE_OP_BOTTOM3 { 979 0x6: CVTPD2DQ(Vo,Wo); 980 default: UD2(); 981 } 982 default: UD2(); 983 } 984 0x1D: decode LEGACY_DECODEVAL { 985 // no prefix 986 0x0: decode OPCODE_OP_BOTTOM3 { 987 0x0: PSUBSB(Pq,Qq); 988 0x1: PSUBSW(Pq,Qq); 989 0x2: PMINSW(Pq,Qq); 990 0x3: POR(Pq,Qq); 991 0x4: PADDSB(Pq,Qq); 992 0x5: PADDSW(Pq,Qq); 993 0x6: PMAXSW(Pq,Qq); 994 0x7: PXOR(Pq,Qq); 995 } 996 // operand size (0x66) 997 0x1: decode OPCODE_OP_BOTTOM3 { 998 0x0: PSUBSB(Vo,Wo); 999 0x1: PSUBSW(Vo,Wo); 1000 0x2: PMINSW(Vo,Wo); 1001 0x3: POR(Vo,Wo); 1002 0x4: PADDSB(Vo,Wo); 1003 0x5: PADDSW(Vo,Wo); 1004 0x6: PMAXSW(Vo,Wo); 1005 0x7: PXOR(Vo,Wo); 1006 } 1007 default: UD2(); 1008 } 1009 0x1E: decode LEGACY_DECODEVAL { 1010 // no prefix 1011 0x0: decode OPCODE_OP_BOTTOM3 { 1012 0x1: PSLLW(Pq,Qq); 1013 0x2: PSLLD(Pq,Qq); 1014 0x3: PSLLQ(Pq,Qq); 1015 0x4: PMULUDQ(Pq,Qq); 1016 0x5: PMADDWD(Pq,Qq); 1017 0x6: PSADBW(Pq,Qq); 1018 0x7: MASKMOVQ(Pq,PRq); 1019 default: UD2(); 1020 } 1021 // operand size (0x66) 1022 0x1: decode OPCODE_OP_BOTTOM3 { 1023 0x1: PSLLW(Vo,Wo); 1024 0x2: PSLLD(Vo,Wo); 1025 0x3: PSLLQ(Vo,Wo); 1026 0x4: PMULUDQ(Vo,Wo); 1027 0x5: PMADDWD(Vo,Wo); 1028 0x6: PSADBW(Vo,Wo); 1029 0x7: MASKMOVDQU(Vo,VRo); 1030 default: UD2(); 1031 } 1032 // repne (0xF2) 1033 0x8: decode OPCODE_OP_BOTTOM3 { 1034 0x0: WarnUnimpl::lddqu_Vo_Mo(); 1035 default: UD2(); 1036 } 1037 default: UD2(); 1038 } 1039 0x1F: decode LEGACY_DECODEVAL { 1040 // no prefix 1041 0x0: decode OPCODE_OP_BOTTOM3 { 1042 0x0: PSUBB(Pq,Qq); 1043 0x1: PSUBW(Pq,Qq); 1044 0x2: PSUBD(Pq,Qq); 1045 0x3: PSUBQ(Pq,Qq); 1046 0x4: PADDB(Pq,Qq); 1047 0x5: PADDW(Pq,Qq); 1048 0x6: PADDD(Pq,Qq); 1049 0x7: UD2(); 1050 } 1051 // operand size (0x66) 1052 0x1: decode OPCODE_OP_BOTTOM3 { 1053 0x0: PSUBB(Vo,Wo); 1054 0x1: PSUBW(Vo,Wo); 1055 0x2: PSUBD(Vo,Wo); 1056 0x3: PSUBQ(Vo,Wo); 1057 0x4: PADDB(Vo,Wo); 1058 0x5: PADDW(Vo,Wo); 1059 0x6: PADDD(Vo,Wo); 1060 0x7: UD2(); 1061 } 1062 default: UD2(); 1063 } 1064 } 1065 default: FailUnimpl::twoByteOps(); 1066 } 1067 } 1068 default: M5InternalError::error( 1069 {{"Unexpected first opcode byte in two byte opcode!"}}); 1070} 1071