two_byte_opcodes.isa revision 11703
1// Copyright (c) 2007-2008 The Hewlett-Packard Development Company 2// Copyright (c) 2012-2013 AMD 3// All rights reserved. 4// 5// The license below extends only to copyright in the software and shall 6// not be construed as granting a license to any other intellectual 7// property including but not limited to intellectual property relating 8// to a hardware implementation of the functionality of the software 9// licensed hereunder. You may use the software subject to the license 10// terms below provided that you ensure that this notice is replicated 11// unmodified and in its entirety in all distributions of the software, 12// modified or unmodified, in source code or in binary form. 13// 14// Copyright (c) 2008 The Regents of The University of Michigan 15// All rights reserved. 16// 17// Redistribution and use in source and binary forms, with or without 18// modification, are permitted provided that the following conditions are 19// met: redistributions of source code must retain the above copyright 20// notice, this list of conditions and the following disclaimer; 21// redistributions in binary form must reproduce the above copyright 22// notice, this list of conditions and the following disclaimer in the 23// documentation and/or other materials provided with the distribution; 24// neither the name of the copyright holders nor the names of its 25// contributors may be used to endorse or promote products derived from 26// this software without specific prior written permission. 27// 28// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 29// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 30// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 31// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 32// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 33// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 34// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 35// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 36// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 37// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 38// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39// 40// Authors: Gabe Black 41 42//////////////////////////////////////////////////////////////////// 43// 44// Decode the two byte opcodes 45// 46'X86ISA::TwoByteOpcode': 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(), Rdi, Rsi); 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 0x62: m5togglesync({{ 232 PseudoInst::togglesync(xc->tcBase()); 233 }}, IsNonSpeculative, IsQuiesce); 234 default: Inst::UD2(); 235 } 236 } 237 0x05: decode FullSystemInt { 238 0: SyscallInst::syscall('xc->syscall(Rax)', 239 IsSyscall, IsNonSpeculative, IsSerializeAfter); 240 default: decode MODE_MODE { 241 0x0: decode MODE_SUBMODE { 242 0x0: Inst::SYSCALL_64(); 243 0x1: Inst::SYSCALL_COMPAT(); 244 } 245 0x1: Inst::SYSCALL_LEGACY(); 246 } 247 } 248 0x06: Inst::CLTS(); 249 0x07: decode MODE_SUBMODE { 250 0x0: decode OPSIZE { 251 // Return to 64 bit mode. 252 0x8: Inst::SYSRET_TO_64(); 253 // Return to compatibility mode. 254 default: Inst::SYSRET_TO_COMPAT(); 255 } 256 default: Inst::SYSRET_NON_64(); 257 } 258 } 259 0x01: decode OPCODE_OP_BOTTOM3 { 260 0x0: invd(); 261 0x1: wbinvd(); 262 0x2: Inst::UD2(); 263 0x3: Inst::UD2(); 264 0x4: Inst::UD2(); 265 0x5: Inst::PREFETCH(Mb); 266 0x6: FailUnimpl::femms(); 267 0x7: decode IMMEDIATE { 268 0x0C: pi2fw_Pq_Qq(); 269 0x0D: pi2fd_Pq_Qq(); 270 0x1C: pf2iw_Pq_Qq(); 271 0x1D: pf2id_Pq_Qq(); 272 0x8A: pfnacc_Pq_Qq(); 273 0x8E: pfpnacc_Pq_Qq(); 274 0x90: pfcmpge_Pq_Qq(); 275 0x94: pfmin_Pq_Qq(); 276 0x96: pfrcp_Pq_Qq(); 277 0x97: pfrsqrt_Pq_Qq(); 278 0x9A: Inst::PFSUB(Pq,Qq); 279 0x9E: pfadd_Pq_Qq(); 280 0xA0: pfcmpgt_Pq_Qq(); 281 0xA4: pfmax_Pq_Qq(); 282 0xA6: pfrcpit1_Pq_Qq(); 283 0xA7: pfrsqit1_Pq_Qq(); 284 0xAA: Inst::PFSUBR(Pq,Qq); 285 0xAE: pfacc_Pq_Qq(); 286 0xB0: pfcmpeq_Pq_Qq(); 287 0xB4: Inst::PFMUL(Pq,Qq); 288 0xB6: pfrcpit2_Pq_Qq(); 289 0xB7: Inst::PMULHRW(Pq,Qq); 290 0xBB: pswapd_Pq_Qq(); 291 0xBF: pavgusb_Pq_Qq(); 292 default: Inst::UD2(); 293 } 294 } 295 format Inst{ 296 0x02: decode LEGACY_DECODEVAL { 297 // no prefix 298 0x0: decode OPCODE_OP_BOTTOM3 { 299 0x0: MOVUPS(Vo,Wo); 300 0x1: MOVUPS(Wo,Vo); 301 0x2: decode MODRM_MOD { 302 0x3: MOVHLPS(Vps,VRq); 303 default: MOVLPS(Vps,Mq); 304 } 305 0x3: MOVLPS(Mq,Vps); 306 0x4: UNPCKLPS(Vps,Wq); 307 0x5: UNPCKHPS(Vps,Wq); 308 0x6: decode MODRM_MOD { 309 0x3: MOVLHPS(Vps,VRq); 310 default: MOVHPS(Vps,Mq); 311 } 312 0x7: MOVHPS(Mq,Vq); 313 } 314 // repe (0xF3) 315 0x4: decode OPCODE_OP_BOTTOM3 { 316 0x0: MOVSS(Vd,Wd); 317 0x1: MOVSS(Wd,Vd); 318 0x2: WarnUnimpl::movsldup_Vo_Wo(); 319 0x6: WarnUnimpl::movshdup_Vo_Wo(); 320 default: UD2(); 321 } 322 // operand size (0x66) 323 0x1: decode OPCODE_OP_BOTTOM3 { 324 0x0: MOVUPD(Vo,Wo); 325 0x1: MOVUPD(Wo,Vo); 326 0x2: MOVLPD(Vq,Mq); 327 0x3: MOVLPD(Mq,Vq); 328 0x4: UNPCKLPD(Vo,Wq); 329 0x5: UNPCKHPD(Vo,Wo); 330 0x6: MOVHPD(Vq,Mq); 331 0x7: MOVHPD(Mq,Vq); 332 } 333 // repne (0xF2) 334 0x8: decode OPCODE_OP_BOTTOM3 { 335 0x0: MOVSD(Vq,Wq); 336 0x1: MOVSD(Wq,Vq); 337 0x2: MOVDDUP(Vo,Wq); 338 default: UD2(); 339 } 340 default: UD2(); 341 } 342 0x03: decode OPCODE_OP_BOTTOM3 { 343 //group16(); 344 0x0: decode MODRM_REG { 345 0x0: WarnUnimpl::prefetch_nta(); 346 0x1: PREFETCH_T0(Mb); 347 0x2: WarnUnimpl::prefetch_t1(); 348 0x3: WarnUnimpl::prefetch_t2(); 349 default: HINT_NOP(); 350 } 351 0x1: HINT_NOP(); 352 0x2: HINT_NOP(); 353 0x3: HINT_NOP(); 354 0x4: HINT_NOP(); 355 0x5: HINT_NOP(); 356 0x6: HINT_NOP(); 357 0x7: HINT_NOP(); 358 } 359 0x04: decode LEGACY_DECODEVAL { 360 // no prefix 361 0x0: decode OPCODE_OP_BOTTOM3 { 362 0x0: MOV(Rd,Cd); 363 0x1: MOV(Rd,Dd); 364 0x2: MOV(Cd,Rd); 365 0x3: MOV(Dd,Rd); 366 default: UD2(); 367 } 368 // operand size (0x66) 369 0x1: decode OPCODE_OP_BOTTOM3 { 370 0x0: MOV(Rd,Cd); 371 0x2: MOV(Cd,Rd); 372 } 373 default: UD2(); 374 } 375 0x05: decode LEGACY_DECODEVAL { 376 // no prefix 377 0x0: decode OPCODE_OP_BOTTOM3 { 378 //These moves should really use size o (octword), but 379 //because they are split in two, they use q (quadword). 380 0x0: MOVAPS(Vq,Wq); 381 0x1: MOVAPS(Wq,Vq); 382 0x2: CVTPI2PS(Vq,Qq); 383 0x3: WarnUnimpl::movntps_Mo_Vo(); 384 0x4: CVTTPS2PI(Pq,Wq); 385 0x5: CVTPS2PI(Pq,Wq); 386 0x6: UCOMISS(Vd,Wd); 387 0x7: COMISS(Vd,Wd); 388 } 389 // repe (0xF3) 390 0x4: decode OPCODE_OP_BOTTOM3 { 391 0x2: CVTSI2SS(Vd,Ed); 392 0x4: CVTTSS2SI(Gd,Wd); 393 0x5: CVTSS2SI(Gd,Wd); 394 default: UD2(); 395 } 396 // operand size (0x66) 397 0x1: decode OPCODE_OP_BOTTOM3 { 398 0x0: MOVAPD(Vo,Wo); 399 0x1: MOVAPD(Wo,Vo); 400 0x2: CVTPI2PD(Vo,Qq); 401 0x3: WarnUnimpl::movntpd_Mo_Vo(); 402 0x4: CVTTPD2PI(Pq,Wo); 403 0x5: CVTPD2PI(Pq,Wo); 404 0x6: UCOMISD(Vq,Wq); 405 0x7: COMISD(Vq,Wq); 406 } 407 // repne (0xF2) 408 0x8: decode OPCODE_OP_BOTTOM3 { 409 // The size of the V operand should be q, not dp 410 0x2: CVTSI2SD(Vdp,Edp); 411 // The size of the W operand should be q, not dp 412 0x4: CVTTSD2SI(Gdp,Wdp); 413 0x5: CVTSD2SI(Gd,Wq); 414 default: UD2(); 415 } 416 default: UD2(); 417 } 418 } 419 0x06: decode OPCODE_OP_BOTTOM3 { 420 0x0: Inst::WRMSR(); 421 0x1: Inst::RDTSC(); 422 0x2: Inst::RDMSR(); 423 0x3: rdpmc(); 424 0x4: decode FullSystemInt { 425 0: SyscallInst::sysenter('xc->syscall(Rax)', 426 IsSyscall, IsNonSpeculative, IsSerializeAfter); 427 default: sysenter(); 428 } 429 0x5: sysexit(); 430 0x6: Inst::UD2(); 431 0x7: getsec(); 432 } 433 0x07: decode OPCODE_OP_BOTTOM3 { 434 0x0: M5InternalError::error( 435 {{"Three byte opcode shouldn't be handled by " 436 "two_byte_opcodes.isa!"}}); 437 0x2: M5InternalError::error( 438 {{"Three byte opcode shouldn't be handled by " 439 "two_byte_opcodes.isa!"}}); 440 default: UD2(); 441 } 442 format Inst { 443 0x08: decode OPCODE_OP_BOTTOM3 { 444 0x0: CMOVO(Gv,Ev); 445 0x1: CMOVNO(Gv,Ev); 446 0x2: CMOVB(Gv,Ev); 447 0x3: CMOVNB(Gv,Ev); 448 0x4: CMOVZ(Gv,Ev); 449 0x5: CMOVNZ(Gv,Ev); 450 0x6: CMOVBE(Gv,Ev); 451 0x7: CMOVNBE(Gv,Ev); 452 } 453 0x09: decode OPCODE_OP_BOTTOM3 { 454 0x0: CMOVS(Gv,Ev); 455 0x1: CMOVNS(Gv,Ev); 456 0x2: CMOVP(Gv,Ev); 457 0x3: CMOVNP(Gv,Ev); 458 0x4: CMOVL(Gv,Ev); 459 0x5: CMOVNL(Gv,Ev); 460 0x6: CMOVLE(Gv,Ev); 461 0x7: CMOVNLE(Gv,Ev); 462 } 463 0x0A: decode LEGACY_DECODEVAL { 464 // no prefix 465 0x0: decode OPCODE_OP_BOTTOM3 { 466 0x0: MOVMSKPS(Gd,VRo); 467 0x1: SQRTPS(Vo,Wo); 468 0x2: WarnUnimpl::rqsrtps_Vo_Wo(); 469 0x3: RCPPS(Vo,Wo); 470 0x4: ANDPS(Vo,Wo); 471 0x5: ANDNPS(Vo,Wo); 472 0x6: ORPS(Vo,Wo); 473 0x7: XORPS(Vo,Wo); 474 } 475 // repe (0xF3) 476 0x4: decode OPCODE_OP_BOTTOM3 { 477 0x1: SQRTSS(Vd,Wd); 478 0x2: WarnUnimpl::rsqrtss_Vd_Wd(); 479 0x3: RCPSS(Vd,Wd); 480 default: UD2(); 481 } 482 // operand size (0x66) 483 0x1: decode OPCODE_OP_BOTTOM3 { 484 0x0: MOVMSKPD(Gd,VRo); 485 0x1: SQRTPD(Vo,Wo); 486 0x4: ANDPD(Vo,Wo); 487 0x5: ANDNPD(Vo,Wo); 488 0x6: ORPD(Vo,Wo); 489 0x7: XORPD(Vo,Wo); 490 default: UD2(); 491 } 492 // repne (0xF2) 493 0x8: decode OPCODE_OP_BOTTOM3 { 494 0x1: SQRTSD(Vq,Wq); 495 default: UD2(); 496 } 497 default: UD2(); 498 } 499 0x0B: decode LEGACY_DECODEVAL { 500 // no prefix 501 0x0: decode OPCODE_OP_BOTTOM3 { 502 0x0: ADDPS(Vo,Wo); 503 0x1: MULPS(Vo,Wo); 504 0x2: CVTPS2PD(Vo,Wq); 505 0x3: CVTDQ2PS(Vo,Wo); 506 0x4: SUBPS(Vo,Wo); 507 0x5: MINPS(Vo,Wo); 508 0x6: DIVPS(Vo,Wo); 509 0x7: MAXPS(Vo,Wo); 510 } 511 // repe (0xF3) 512 0x4: decode OPCODE_OP_BOTTOM3 { 513 0x0: ADDSS(Vd,Wd); 514 0x1: MULSS(Vd,Wd); 515 0x2: CVTSS2SD(Vq,Wd); 516 0x3: CVTTPS2DQ(Vo,Wo); 517 0x4: SUBSS(Vd,Wd); 518 0x5: MINSS(Vd,Wd); 519 0x6: DIVSS(Vd,Wd); 520 0x7: MAXSS(Vd,Wd); 521 } 522 // operand size (0x66) 523 0x1: decode OPCODE_OP_BOTTOM3 { 524 0x0: ADDPD(Vo,Wo); 525 0x1: MULPD(Vo,Wo); 526 0x2: CVTPD2PS(Vo,Wo); 527 0x3: CVTPS2DQ(Vo,Wo); 528 0x4: SUBPD(Vo,Wo); 529 0x5: MINPD(Vo,Wo); 530 0x6: DIVPD(Vo,Wo); 531 0x7: MAXPD(Vo,Wo); 532 } 533 // repne (0xF2) 534 0x8: decode OPCODE_OP_BOTTOM3 { 535 0x0: ADDSD(Vq,Wq); 536 0x1: MULSD(Vq,Wq); 537 0x2: CVTSD2SS(Vd,Wq); 538 0x4: SUBSD(Vq,Wq); 539 0x5: MINSD(Vq,Wq); 540 0x6: DIVSD(Vq,Wq); 541 0x7: MAXSD(Vq,Wq); 542 default: UD2(); 543 } 544 default: UD2(); 545 } 546 0x0C: decode LEGACY_DECODEVAL { 547 // no prefix 548 0x0: decode OPCODE_OP_BOTTOM3 { 549 0x0: PUNPCKLBW(Pq,Qd); 550 0x1: PUNPCKLWD(Pq,Qd); 551 0x2: PUNPCKLDQ(Pq,Qd); 552 0x3: PACKSSWB(Pq,Qq); 553 0x4: PCMPGTB(Pq,Qq); 554 0x5: PCMPGTW(Pq,Qq); 555 0x6: PCMPGTD(Pq,Qq); 556 0x7: PACKUSWB(Pq,Qq); 557 } 558 // operand size (0x66) 559 0x1: decode OPCODE_OP_BOTTOM3 { 560 0x0: PUNPCKLBW(Vo,Wq); 561 0x1: PUNPCKLWD(Vo,Wq); 562 0x2: PUNPCKLDQ(Vo,Wq); 563 0x3: PACKSSWB(Vo,Wo); 564 0x4: PCMPGTB(Vo,Wo); 565 0x5: PCMPGTW(Vo,Wo); 566 0x6: PCMPGTD(Vo,Wo); 567 0x7: PACKUSWB(Vo,Wo); 568 } 569 default: UD2(); 570 } 571 0x0D: decode LEGACY_DECODEVAL { 572 // no prefix 573 0x0: decode OPCODE_OP_BOTTOM3 { 574 0x0: PUNPCKHBW(Pq,Qq); 575 0x1: PUNPCKHWD(Pq,Qq); 576 0x2: PUNPCKHDQ(Pq,Qq); 577 0x3: PACKSSDW(Pq,Qq); 578 0x6: MOVD(Pq,Edp); 579 0x7: MOVQ(Pq,Qq); 580 default: UD2(); 581 } 582 // repe (0xF3) 583 0x4: decode OPCODE_OP_BOTTOM3 { 584 0x7: MOVDQU(Vo,Wo); 585 default: UD2(); 586 } 587 // operand size (0x66) 588 0x1: decode OPCODE_OP_BOTTOM3 { 589 0x0: PUNPCKHBW(Vo,Wo); 590 0x1: PUNPCKHWD(Vo,Wo); 591 0x2: PUNPCKHDQ(Vo,Wo); 592 0x3: PACKSSDW(Vo,Wo); 593 0x4: PUNPCKLQDQ(Vo,Wq); 594 0x5: PUNPCKHQDQ(Vo,Wq); 595 0x6: MOVD(Vo,Edp); 596 0x7: MOVDQA(Vo,Wo); 597 } 598 default: UD2(); 599 } 600 0x0E: decode LEGACY_DECODEVAL { 601 // no prefix 602 0x0: decode OPCODE_OP_BOTTOM3 { 603 0x0: PSHUFW(Pq,Qq,Ib); 604 //0x1: group12_pshimw(); 605 0x1: decode MODRM_REG { 606 0x2: PSRLW(PRq,Ib); 607 0x4: PSRAW(PRq,Ib); 608 0x6: PSLLW(PRq,Ib); 609 default: UD2(); 610 } 611 //0x2: group13_pshimd(); 612 0x2: decode MODRM_REG { 613 0x2: PSRLD(PRq,Ib); 614 0x4: PSRAD(PRq,Ib); 615 0x6: PSLLD(PRq,Ib); 616 default: UD2(); 617 } 618 //0x3: group14_pshimq(); 619 0x3: decode MODRM_REG { 620 0x2: PSRLQ(PRq,Ib); 621 0x6: PSLLQ(PRq,Ib); 622 default: Inst::UD2(); 623 } 624 0x4: Inst::PCMPEQB(Pq,Qq); 625 0x5: Inst::PCMPEQW(Pq,Qq); 626 0x6: Inst::PCMPEQD(Pq,Qq); 627 0x7: Inst::EMMS(); 628 } 629 // repe (0xF3) 630 0x4: decode OPCODE_OP_BOTTOM3 { 631 0x0: PSHUFHW(Vo,Wo,Ib); 632 default: UD2(); 633 } 634 // operand size (0x66) 635 0x1: decode OPCODE_OP_BOTTOM3 { 636 0x0: PSHUFD(Vo,Wo,Ib); 637 //0x1: group12_pshimw(); 638 0x1: decode MODRM_REG { 639 0x2: PSRLW(VRo,Ib); 640 0x4: PSRAW(VRo,Ib); 641 0x6: PSLLW(VRo,Ib); 642 } 643 //0x2: group13_pshimd(); 644 0x2: decode MODRM_REG { 645 0x2: PSRLD(VRo,Ib); 646 0x4: PSRAD(VRo,Ib); 647 0x6: PSLLD(VRo,Ib); 648 default: UD2(); 649 } 650 //0x3: group14_pshimq(); 651 0x3: decode MODRM_REG { 652 0x2: PSRLQ(VRo,Ib); 653 0x3: PSRLDQ(VRo,Ib); 654 0x6: PSLLQ(VRo,Ib); 655 0x7: PSLLDQ(VRo,Ib); 656 default: UD2(); 657 } 658 0x4: PCMPEQB(Vo,Wo); 659 0x5: PCMPEQW(Vo,Wo); 660 0x6: PCMPEQD(Vo,Wo); 661 default: UD2(); 662 } 663 // repne (0xF2) 664 0x8: decode OPCODE_OP_BOTTOM3 { 665 0x0: PSHUFLW(Vo,Wo,Ib); 666 default: UD2(); 667 } 668 default: UD2(); 669 } 670 0x0F: decode LEGACY_DECODEVAL { 671 // no prefix 672 0x0: decode OPCODE_OP_BOTTOM3 { 673 0x0: WarnUnimpl::vmread_Edp_Gdp(); 674 0x1: WarnUnimpl::vmwrite_Gdp_Edp(); 675 0x6: MOVD(Edp,Pdp); 676 0x7: MOVQ(Qq,Pq); 677 default: UD2(); 678 } 679 // repe (0xF3) 680 0x4: decode OPCODE_OP_BOTTOM3 { 681 0x6: MOVQ(Vq,Wq); 682 0x7: MOVDQU(Wo,Vo); 683 default: UD2(); 684 } 685 // operand size (0x66) 686 0x1: decode OPCODE_OP_BOTTOM3 { 687 0x4: HADDPD(Vo,Wo); 688 0x5: WarnUnimpl::hsubpd_Vo_Wo(); 689 0x6: MOVD(Edp,Vd); 690 0x7: MOVDQA(Wo,Vo); 691 default: UD2(); 692 } 693 // repne (0xF2) 694 0x8: decode OPCODE_OP_BOTTOM3 { 695 0x4: HADDPS(Vo,Wo); 696 0x5: WarnUnimpl::hsubps_Vo_Wo(); 697 default: UD2(); 698 } 699 default: UD2(); 700 } 701 0x10: decode OPCODE_OP_BOTTOM3 { 702 0x0: JO(Jz); 703 0x1: JNO(Jz); 704 0x2: JB(Jz); 705 0x3: JNB(Jz); 706 0x4: JZ(Jz); 707 0x5: JNZ(Jz); 708 0x6: JBE(Jz); 709 0x7: JNBE(Jz); 710 } 711 0x11: decode OPCODE_OP_BOTTOM3 { 712 0x0: JS(Jz); 713 0x1: JNS(Jz); 714 0x2: JP(Jz); 715 0x3: JNP(Jz); 716 0x4: JL(Jz); 717 0x5: JNL(Jz); 718 0x6: JLE(Jz); 719 0x7: JNLE(Jz); 720 } 721 0x12: decode OPCODE_OP_BOTTOM3 { 722 0x0: SETO(Eb); 723 0x1: SETNO(Eb); 724 0x2: SETB(Eb); 725 0x3: SETNB(Eb); 726 0x4: SETZ(Eb); 727 0x5: SETNZ(Eb); 728 0x6: SETBE(Eb); 729 0x7: SETNBE(Eb); 730 } 731 0x13: decode OPCODE_OP_BOTTOM3 { 732 0x0: SETS(Eb); 733 0x1: SETNS(Eb); 734 0x2: SETP(Eb); 735 0x3: SETNP(Eb); 736 0x4: SETL(Eb); 737 0x5: SETNL(Eb); 738 0x6: SETLE(Eb); 739 0x7: SETNLE(Eb); 740 } 741 } 742 0x14: decode OPCODE_OP_BOTTOM3 { 743 0x0: push_fs(); 744 0x1: pop_fs(); 745 0x2: CPUIDInst::CPUID({{ 746 CpuidResult result; 747 bool success = doCpuid(xc->tcBase(), bits(Rax, 31, 0), 748 bits(Rcx, 31, 0), result); 749 if (success) { 750 Rax = result.rax; 751 Rbx = result.rbx; 752 Rcx = result.rcx; 753 Rdx = result.rdx; 754 } else { 755 Rax = Rax; 756 Rbx = Rbx; 757 Rcx = Rcx; 758 Rdx = Rdx; 759 } 760 }}); 761 0x3: Inst::BT(Ev,Gv); 762 0x4: Inst::SHLD(Ev,Gv,Ib); 763 0x5: Inst::SHLD(Ev,Gv); 764 default: Inst::UD2(); 765 } 766 0x15: decode OPCODE_OP_BOTTOM3 { 767 0x0: push_gs(); 768 0x1: pop_gs(); 769 0x2: rsm_smm(); 770 0x3: Inst::BTS(Ev,Gv); 771 0x4: Inst::SHRD(Ev,Gv,Ib); 772 0x5: Inst::SHRD(Ev,Gv); 773 //0x6: group15(); 774 0x6: decode MODRM_MOD { 775 0x3: decode MODRM_REG { 776 0x5: BasicOperate::LFENCE( 777 {{/*Nothing*/}}, IsReadBarrier); 778 0x6: BasicOperate::MFENCE( 779 {{/*Nothing*/}}, IsMemBarrier); 780 0x7: BasicOperate::SFENCE( 781 {{/*Nothing*/}}, IsWriteBarrier); 782 default: Inst::UD2(); 783 } 784 default: decode MODRM_REG { 785 0x0: decode OPSIZE { 786 4: Inst::FXSAVE(M); 787 8: Inst::FXSAVE64(M); 788 default: fxsave(); 789 } 790 0x1: decode OPSIZE { 791 4: Inst::FXRSTOR(M); 792 8: Inst::FXRSTOR64(M); 793 default: fxrstor(); 794 } 795 0x2: Inst::LDMXCSR(Md); 796 0x3: Inst::STMXCSR(Md); 797 0x4: xsave(); 798 0x5: xrstor(); 799 0x6: Inst::UD2(); 800 0x7: clflush(); 801 } 802 } 803 0x7: Inst::IMUL(Gv,Ev); 804 } 805 format Inst { 806 0x16: decode OPCODE_OP_BOTTOM3 { 807 0x0: CMPXCHG(Eb,Gb); 808 0x1: CMPXCHG(Ev,Gv); 809 0x2: WarnUnimpl::lss_Gz_Mp(); 810 0x3: BTR(Ev,Gv); 811 0x4: WarnUnimpl::lfs_Gz_Mp(); 812 0x5: WarnUnimpl::lgs_Gz_Mp(); 813 //The size of the second operand in these instructions 814 //should really be "b" or "w", but it's set to v in order 815 //to have a consistent register size. This shouldn't 816 //affect behavior. 817 0x6: MOVZX_B(Gv,Ev); 818 0x7: MOVZX_W(Gv,Ev); 819 } 820 0x17: decode OPCODE_OP_BOTTOM3 { 821 0x0: decode LEGACY_REP { 822 0x0: WarnUnimpl::jmpe_Jz(); 823 0x1: WarnUnimpl::popcnt_Gv_Ev(); 824 } 825 //0x1: group10_UD2(); 826 0x1: UD2(); 827 //0x2: group8_Ev_Ib(); 828 0x2: decode MODRM_REG { 829 0x4: BT(Ev,Ib); 830 0x5: BTS(Ev,Ib); 831 0x6: BTR(Ev,Ib); 832 0x7: BTC(Ev,Ib); 833 default: UD2(); 834 } 835 0x3: BTC(Ev,Gv); 836 0x4: BSF(Gv,Ev); 837 0x5: BSR(Gv,Ev); 838 //The size of the second operand in these instructions 839 //should really be "b" or "w", but it's set to v in order 840 //to have a consistent register size. This shouldn't 841 //affect behavior. 842 0x6: MOVSX_B(Gv,Ev); 843 0x7: MOVSX_W(Gv,Ev); 844 } 845 0x18: decode OPCODE_OP_BOTTOM3 { 846 0x0: XADD(Eb,Gb); 847 0x1: XADD(Ev,Gv); 848 //0x7: group9(); 849 0x7: decode MODRM_REG { 850 //Also CMPXCHG16B 851 0x1: CMPXCHG8B(Mdp); 852 0x6: decode LEGACY_OP { 853 0x1: WarnUnimpl::vmclear_Mq(); 854 default: decode LEGACY_REP { 855 0x1: WarnUnimpl::vmxon_Mq(); 856 0x0: WarnUnimpl::vmptrld_Mq(); 857 } 858 } 859 0x7: WarnUnimpl::vmptrst_Mq(); 860 default: UD2(); 861 } 862 default: decode LEGACY_DECODEVAL { 863 // no prefix 864 0x0: decode OPCODE_OP_BOTTOM3 { 865 0x2: CMPPS(Vo,Wo,Ib); 866 0x3: MOVNTI(Mdp,Gdp); 867 0x4: PINSRW(Pq,Ew,Ib); 868 0x5: PEXTRW(Gd,PRq,Ib); 869 0x6: SHUFPS(Vps,Wps,Ib); 870 } 871 // repe (0xF3) 872 0x4: decode OPCODE_OP_BOTTOM3 { 873 0x2: CMPSS(Vd,Wd,Ib); 874 default: UD2(); 875 } 876 // operand size (0x66) 877 0x1: decode OPCODE_OP_BOTTOM3 { 878 0x2: CMPPD(Vo,Wo,Ib); 879 0x4: PINSRW(Vdw,Ew,Ib); 880 0x5: PEXTRW(Gd,VRdq,Ib); 881 0x6: SHUFPD(Vpd,Wpd,Ib); 882 default: UD2(); 883 } 884 // repne (0xF2) 885 0x8: decode OPCODE_OP_BOTTOM3 { 886 0x2: CMPSD(Vq,Wq,Ib); 887 default: UD2(); 888 } 889 default: UD2(); 890 } 891 } 892 0x19: decode OPSIZE { 893 4: BSWAP_D(Bd); 894 8: BSWAP_Q(Bq); 895 default: UD2(); 896 } 897 0x1A: decode LEGACY_DECODEVAL { 898 // no prefix 899 0x0: decode OPCODE_OP_BOTTOM3 { 900 0x1: PSRLW(Pq,Qq); 901 0x2: PSRLD(Pq,Qq); 902 0x3: PSRLQ(Pq,Qq); 903 0x4: PADDQ(Pq,Qq); 904 0x5: PMULLW(Pq,Qq); 905 0x7: PMOVMSKB(Gd,PRq); 906 default: UD2(); 907 } 908 // repe (0xF3) 909 0x4: decode OPCODE_OP_BOTTOM3 { 910 0x6: MOVQ2DQ(Vo,PRq); 911 default: UD2(); 912 } 913 // operand size (0x66) 914 0x1: decode OPCODE_OP_BOTTOM3 { 915 0x0: ADDSUBPD(Vo,Wo); 916 0x1: PSRLW(Vo,Wo); 917 0x2: PSRLD(Vo,Wo); 918 0x3: PSRLQ(Vo,Wo); 919 0x4: PADDQ(Vo,Wo); 920 0x5: PMULLW(Vo,Wo); 921 0x6: MOVQ(Wq,Vq); 922 0x7: PMOVMSKB(Gd,VRo); 923 } 924 // repne (0xF2) 925 0x8: decode OPCODE_OP_BOTTOM3 { 926 0x0: WarnUnimpl::addsubps_Vo_Wo(); 927 0x6: MOVDQ2Q(Pq,VRq); 928 default: UD2(); 929 } 930 default: UD2(); 931 } 932 0x1B: decode LEGACY_DECODEVAL { 933 // no prefix 934 0x0: decode OPCODE_OP_BOTTOM3 { 935 0x0: PSUBUSB(Pq,Qq); 936 0x1: PSUBUSW(Pq,Qq); 937 0x2: PMINUB(Pq,Qq); 938 0x3: PAND(Pq,Qq); 939 0x4: PADDUSB(Pq,Qq); 940 0x5: PADDUSW(Pq,Qq); 941 0x6: PMAXUB(Pq,Qq); 942 0x7: PANDN(Pq,Qq); 943 } 944 // operand size (0x66) 945 0x1: decode OPCODE_OP_BOTTOM3 { 946 0x0: PSUBUSB(Vo,Wo); 947 0x1: PSUBUSW(Vo,Wo); 948 0x2: PMINUB(Vo,Wo); 949 0x3: PAND(Vo,Wo); 950 0x4: PADDUSB(Vo,Wo); 951 0x5: PADDUSW(Vo,Wo); 952 0x6: PMAXUB(Vo,Wo); 953 0x7: PANDN(Vo,Wo); 954 } 955 default: UD2(); 956 } 957 0x1C: decode LEGACY_DECODEVAL { 958 // no prefix 959 0x0: decode OPCODE_OP_BOTTOM3 { 960 0x0: PAVGB(Pq,Qq); 961 0x1: PSRAW(Pq,Qq); 962 0x2: PSRAD(Pq,Qq); 963 0x3: PAVGW(Pq,Qq); 964 0x4: PMULHUW(Pq,Qq); 965 0x5: PMULHW(Pq,Qq); 966 0x7: WarnUnimpl::movntq_Mq_Pq(); 967 default: UD2(); 968 } 969 // repe (0xF3) 970 0x4: decode OPCODE_OP_BOTTOM3 { 971 0x6: CVTDQ2PD(Vo,Wq); 972 default: UD2(); 973 } 974 // operand size (0x66) 975 0x1: decode OPCODE_OP_BOTTOM3 { 976 0x0: PAVGB(Vo,Wo); 977 0x1: PSRAW(Vo,Wo); 978 0x2: PSRAD(Vo,Wo); 979 0x3: PAVGW(Vo,Wo); 980 0x4: PMULHUW(Vo,Wo); 981 0x5: PMULHW(Vo,Wo); 982 0x6: CVTTPD2DQ(Vo,Wo); 983 0x7: WarnUnimpl::movntdq_Mo_Vo(); 984 } 985 // repne (0xF2) 986 0x8: decode OPCODE_OP_BOTTOM3 { 987 0x6: CVTPD2DQ(Vo,Wo); 988 default: UD2(); 989 } 990 default: UD2(); 991 } 992 0x1D: decode LEGACY_DECODEVAL { 993 // no prefix 994 0x0: decode OPCODE_OP_BOTTOM3 { 995 0x0: PSUBSB(Pq,Qq); 996 0x1: PSUBSW(Pq,Qq); 997 0x2: PMINSW(Pq,Qq); 998 0x3: POR(Pq,Qq); 999 0x4: PADDSB(Pq,Qq); 1000 0x5: PADDSW(Pq,Qq); 1001 0x6: PMAXSW(Pq,Qq); 1002 0x7: PXOR(Pq,Qq); 1003 } 1004 // operand size (0x66) 1005 0x1: decode OPCODE_OP_BOTTOM3 { 1006 0x0: PSUBSB(Vo,Wo); 1007 0x1: PSUBSW(Vo,Wo); 1008 0x2: PMINSW(Vo,Wo); 1009 0x3: POR(Vo,Wo); 1010 0x4: PADDSB(Vo,Wo); 1011 0x5: PADDSW(Vo,Wo); 1012 0x6: PMAXSW(Vo,Wo); 1013 0x7: PXOR(Vo,Wo); 1014 } 1015 default: UD2(); 1016 } 1017 0x1E: decode LEGACY_DECODEVAL { 1018 // no prefix 1019 0x0: decode OPCODE_OP_BOTTOM3 { 1020 0x1: PSLLW(Pq,Qq); 1021 0x2: PSLLD(Pq,Qq); 1022 0x3: PSLLQ(Pq,Qq); 1023 0x4: PMULUDQ(Pq,Qq); 1024 0x5: PMADDWD(Pq,Qq); 1025 0x6: PSADBW(Pq,Qq); 1026 0x7: MASKMOVQ(Pq,PRq); 1027 default: UD2(); 1028 } 1029 // operand size (0x66) 1030 0x1: decode OPCODE_OP_BOTTOM3 { 1031 0x1: PSLLW(Vo,Wo); 1032 0x2: PSLLD(Vo,Wo); 1033 0x3: PSLLQ(Vo,Wo); 1034 0x4: PMULUDQ(Vo,Wo); 1035 0x5: PMADDWD(Vo,Wo); 1036 0x6: PSADBW(Vo,Wo); 1037 0x7: MASKMOVDQU(Vo,VRo); 1038 default: UD2(); 1039 } 1040 // repne (0xF2) 1041 0x8: decode OPCODE_OP_BOTTOM3 { 1042 0x0: WarnUnimpl::lddqu_Vo_Mo(); 1043 default: UD2(); 1044 } 1045 default: UD2(); 1046 } 1047 0x1F: decode LEGACY_DECODEVAL { 1048 // no prefix 1049 0x0: decode OPCODE_OP_BOTTOM3 { 1050 0x0: PSUBB(Pq,Qq); 1051 0x1: PSUBW(Pq,Qq); 1052 0x2: PSUBD(Pq,Qq); 1053 0x3: PSUBQ(Pq,Qq); 1054 0x4: PADDB(Pq,Qq); 1055 0x5: PADDW(Pq,Qq); 1056 0x6: PADDD(Pq,Qq); 1057 0x7: UD2(); 1058 } 1059 // operand size (0x66) 1060 0x1: decode OPCODE_OP_BOTTOM3 { 1061 0x0: PSUBB(Vo,Wo); 1062 0x1: PSUBW(Vo,Wo); 1063 0x2: PSUBD(Vo,Wo); 1064 0x3: PSUBQ(Vo,Wo); 1065 0x4: PADDB(Vo,Wo); 1066 0x5: PADDW(Vo,Wo); 1067 0x6: PADDD(Vo,Wo); 1068 0x7: UD2(); 1069 } 1070 default: UD2(); 1071 } 1072 } 1073 default: FailUnimpl::twoByteOps(); 1074 } 1075} 1076