two_byte_opcodes.isa revision 6604:b750348f6da3
1// Copyright (c) 2008 The Regents of The University of Michigan 2// All rights reserved. 3// 4// Redistribution and use in source and binary forms, with or without 5// modification, are permitted provided that the following conditions are 6// met: redistributions of source code must retain the above copyright 7// notice, this list of conditions and the following disclaimer; 8// redistributions in binary form must reproduce the above copyright 9// notice, this list of conditions and the following disclaimer in the 10// documentation and/or other materials provided with the distribution; 11// neither the name of the copyright holders nor the names of its 12// contributors may be used to endorse or promote products derived from 13// this software without specific prior written permission. 14// 15// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 18// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 19// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 21// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26// 27// Authors: Gabe Black 28 29// Copyright (c) 2007-2008 The Hewlett-Packard Development Company 30// All rights reserved. 31// 32// Redistribution and use of this software in source and binary forms, 33// with or without modification, are permitted provided that the 34// following conditions are met: 35// 36// The software must be used only for Non-Commercial Use which means any 37// use which is NOT directed to receiving any direct monetary 38// compensation for, or commercial advantage from such use. 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Neither the name of 58// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 59// contributors may be used to endorse or promote products derived from 60// this software without specific prior written permission. No right of 61// sublicense is granted herewith. Derivatives of the software and 62// output created using the software may be prepared, but only for 63// Non-Commercial Uses. Derivatives of the software may be shared with 64// others provided: (i) the others agree to abide by the list of 65// conditions herein which includes the Non-Commercial Use restrictions; 66// and (ii) such Derivatives of the software include the above copyright 67// notice to acknowledge the contribution from this software where 68// applicable, this list of conditions and the disclaimer below. 69// 70// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 71// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 72// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 73// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 74// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 75// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 76// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 77// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 78// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 79// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 80// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 81// 82// Authors: Gabe Black 83 84//////////////////////////////////////////////////////////////////// 85// 86// Decode the two byte opcodes 87// 880x2: decode OPCODE_PREFIXA { 89 0x0F: decode OPCODE_OP_TOP5 { 90 format WarnUnimpl { 91 0x00: decode OPCODE_OP_BOTTOM3 { 92 //0x00: group6(); 93 0x00: decode MODRM_REG { 94 0x0: sldt_Mw_or_Rv(); 95 0x1: str_Mw_or_Rv(); 96 0x2: Inst::LLDT(Ew); 97 0x3: Inst::LTR(Ew); 98 0x4: verr_Mw_or_Rv(); 99 0x5: verw_Mw_or_Rv(); 100 //0x6: jmpe_Ev(); // IA-64 101 default: Inst::UD2(); 102 } 103 //0x01: group7(); // Ugly, ugly, ugly... 104 0x01: decode MODRM_MOD { 105 0x3: decode MODRM_REG { 106 0x0: decode MODRM_RM { 107 0x1: vmcall(); 108 0x2: vmlaunch(); 109 0x3: vmresume(); 110 0x4: vmxoff(); 111 default: Inst::UD2(); 112 } 113 0x1: decode MODRM_RM { 114 0x0: monitor(); 115 0x1: mwait(); 116 default: Inst::UD2(); 117 } 118 0x3: decode MODRM_RM { 119 0x0: vmrun(); 120 0x1: vmmcall(); 121 0x2: vmload(); 122 0x3: vmsave(); 123 0x4: stgi(); 124 0x5: clgi(); 125 0x6: skinit(); 126 0x7: invlpga(); 127 } 128 0x4: Inst::SMSW(Rv); 129 0x6: Inst::LMSW(Rv); 130 0x7: decode MODRM_RM { 131 0x0: Inst::SWAPGS(); 132 0x1: rdtscp(); 133 default: Inst::UD2(); 134 } 135 default: Inst::UD2(); 136 } 137 default: decode MODRM_REG { 138 0x0: sgdt_Ms(); 139 0x1: sidt_Ms(); 140 0x2: decode MODE_SUBMODE { 141 0x0: Inst::LGDT(M); 142 default: decode OPSIZE { 143 // 16 bit operand sizes are special, but only 144 // in legacy and compatability modes. 145 0x2: Inst::LGDT_16(M); 146 default: Inst::LGDT(M); 147 } 148 } 149 0x3: decode MODE_SUBMODE { 150 0x0: Inst::LIDT(M); 151 default: decode OPSIZE { 152 // 16 bit operand sizes are special, but only 153 // in legacy and compatability modes. 154 0x2: Inst::LIDT_16(M); 155 default: Inst::LIDT(M); 156 } 157 } 158 0x4: Inst::SMSW(Mw); 159 0x6: Inst::LMSW(Mw); 160 0x7: Inst::INVLPG(M); 161 default: Inst::UD2(); 162 } 163 } 164 0x02: lar_Gv_Ew(); 165 0x03: lsl_Gv_Ew(); 166 // sandpile.org doesn't seem to know what this is...? We'll 167 // use it for pseudo instructions. We've got 16 bits of space 168 // to play with so there can be quite a few pseudo 169 // instructions. 170 //0x04: loadall_or_reset_or_hang(); 171 0x4: decode IMMEDIATE { 172 format BasicOperate { 173#if FULL_SYSTEM 174 0x00: m5arm({{ 175 PseudoInst::arm(xc->tcBase()); 176 }}, IsNonSpeculative); 177 0x01: m5quiesce({{ 178 PseudoInst::quiesce(xc->tcBase()); 179 }}, IsNonSpeculative); 180 0x02: m5quiesceNs({{ 181 PseudoInst::quiesceNs(xc->tcBase(), Rdi); 182 }}, IsNonSpeculative); 183 0x03: m5quiesceCycle({{ 184 PseudoInst::quiesceCycles(xc->tcBase(), Rdi); 185 }}, IsNonSpeculative); 186 0x04: m5quiesceTime({{ 187 Rax = PseudoInst::quiesceTime(xc->tcBase()); 188 }}, IsNonSpeculative); 189#endif 190 0x07: m5rpns({{ 191 Rax = PseudoInst::rpns(xc->tcBase()); 192 }}, IsNonSpeculative); 193 0x21: m5exit({{ 194 PseudoInst::m5exit(xc->tcBase(), Rdi); 195 }}, IsNonSpeculative); 196#if FULL_SYSTEM 197 0x30: m5initparam({{ 198 Rax = xc->tcBase()->getCpuPtr()-> 199 system->init_param; 200 }}, IsNonSpeculative); 201 0x31: m5loadsymbol({{ 202 PseudoInst::loadsymbol(xc->tcBase()); 203 }}, IsNonSpeculative); 204#endif 205 0x40: m5resetstats({{ 206 PseudoInst::resetstats(xc->tcBase(), Rdi, Rsi); 207 }}, IsNonSpeculative); 208 0x41: m5dumpstats({{ 209 PseudoInst::dumpstats(xc->tcBase(), Rdi, Rsi); 210 }}, IsNonSpeculative); 211 0x42: m5dumpresetstats({{ 212 PseudoInst::dumpresetstats(xc->tcBase(), Rdi, Rsi); 213 }}, IsNonSpeculative); 214 0x43: m5checkpoint({{ 215 PseudoInst::m5checkpoint(xc->tcBase(), Rdi, Rsi); 216 }}, IsNonSpeculative); 217#if FULL_SYSTEM 218 0x50: m5readfile({{ 219 Rax = PseudoInst::readfile( 220 xc->tcBase(), Rdi, Rsi, Rdx); 221 }}, IsNonSpeculative); 222#endif 223 0x51: m5debugbreak({{ 224 PseudoInst::debugbreak(xc->tcBase()); 225 }}, IsNonSpeculative); 226 0x52: m5switchcpu({{ 227 PseudoInst::switchcpu(xc->tcBase()); 228 }}, IsNonSpeculative); 229#if FULL_SYSTEM 230 0x53: m5addsymbol({{ 231 PseudoInst::addsymbol(xc->tcBase(), Rdi, Rsi); 232 }}, IsNonSpeculative); 233#endif 234 0x54: m5panic({{ 235 panic("M5 panic instruction called at pc=%#x.\n", 236 xc->readPC()); 237 }}, IsNonSpeculative); 238 0x55: m5reserved1({{ 239 warn("M5 reserved opcode 1 ignored.\n"); 240 }}, IsNonSpeculative); 241 0x56: m5reserved2({{ 242 warn("M5 reserved opcode 2 ignored.\n"); 243 }}, IsNonSpeculative); 244 0x57: m5reserved3({{ 245 warn("M5 reserved opcode 3 ignored.\n"); 246 }}, IsNonSpeculative); 247 0x58: m5reserved4({{ 248 warn("M5 reserved opcode 4 ignored.\n"); 249 }}, IsNonSpeculative); 250 0x59: m5reserved5({{ 251 warn("M5 reserved opcode 5 ignored.\n"); 252 }}, IsNonSpeculative); 253 default: Inst::UD2(); 254 } 255 } 256#if FULL_SYSTEM 257 0x05: decode MODE_MODE { 258 0x0: decode MODE_SUBMODE { 259 0x0: Inst::SYSCALL_64(); 260 0x1: Inst::SYSCALL_COMPAT(); 261 } 262 0x1: Inst::SYSCALL_LEGACY(); 263 } 264#else 265 0x05: SyscallInst::syscall('xc->syscall(Rax)', IsSyscall); 266#endif 267 0x06: Inst::CLTS(); 268 0x07: decode MODE_SUBMODE { 269 0x0: decode OPSIZE { 270 // Return to 64 bit mode. 271 0x8: Inst::SYSRET_TO_64(); 272 // Return to compatibility mode. 273 default: Inst::SYSRET_TO_COMPAT(); 274 } 275 default: Inst::SYSRET_NON_64(); 276 } 277 } 278 0x01: decode OPCODE_OP_BOTTOM3 { 279 0x0: invd(); 280 0x1: wbinvd(); 281 0x2: Inst::UD2(); 282 0x3: Inst::UD2(); 283 0x4: Inst::UD2(); 284 0x5: Inst::PREFETCH(Mb); 285 0x6: FailUnimpl::femms(); 286 0x7: FailUnimpl::threednow(); 287 } 288 format Inst{ 289 0x02: decode LEGACY_DECODEVAL { 290 // no prefix 291 0x0: decode OPCODE_OP_BOTTOM3 { 292 0x0: MOVUPS(Vo,Wo); 293 0x1: MOVUPS(Wo,Vo); 294 0x2: decode MODRM_MOD { 295 0x3: MOVHLPS(Vq,VRq); 296 default: MOVLPS(Vq,Mq); 297 } 298 0x3: MOVLPS(Mq,Vq); 299 0x4: UNPCKLPS(Vps,Wq); 300 0x5: UNPCKHPS(Vpd,Wq); 301 0x6: decode MODRM_MOD { 302 0x3: MOVLHPS(Vq,VRq); 303 default: MOVHPS(Vq,Mq); 304 } 305 0x7: MOVHPS(Mq,Vq); 306 } 307 // repe (0xF3) 308 0x4: decode OPCODE_OP_BOTTOM3 { 309 0x0: MOVSS(Vd,Wd); 310 0x1: MOVSS(Wd,Vd); 311 0x2: WarnUnimpl::movsldup_Vo_Wo(); 312 0x6: WarnUnimpl::movshdup_Vo_Wo(); 313 default: UD2(); 314 } 315 // operand size (0x66) 316 0x1: decode OPCODE_OP_BOTTOM3 { 317 0x0: MOVUPD(Vo,Wo); 318 0x1: MOVUPD(Wo,Vo); 319 0x2: MOVLPD(Vq,Mq); 320 0x3: MOVLPD(Mq,Vq); 321 0x4: UNPCKLPD(Vo,Wq); 322 0x5: UNPCKHPD(Vo,Wo); 323 0x6: MOVHPD(Vq,Mq); 324 0x7: MOVHPD(Mq,Vq); 325 } 326 // repne (0xF2) 327 0x8: decode OPCODE_OP_BOTTOM3 { 328 0x0: MOVSD(Vq,Wq); 329 0x1: MOVSD(Wq,Vq); 330 0x2: MOVDDUP(Vo,Wq); 331 default: UD2(); 332 } 333 default: UD2(); 334 } 335 0x03: decode OPCODE_OP_BOTTOM3 { 336 //group17(); 337 0x0: decode MODRM_REG { 338 0x0: WarnUnimpl::prefetch_nta(); 339 0x1: PREFETCH_T0(Mb); 340 0x2: WarnUnimpl::prefetch_t1(); 341 0x3: WarnUnimpl::prefetch_t2(); 342 default: HINT_NOP(); 343 } 344 0x1: HINT_NOP(); 345 0x2: HINT_NOP(); 346 0x3: HINT_NOP(); 347 0x4: HINT_NOP(); 348 0x5: HINT_NOP(); 349 0x6: HINT_NOP(); 350 0x7: HINT_NOP(); 351 } 352 0x04: decode LEGACY_DECODEVAL { 353 // no prefix 354 0x0: decode OPCODE_OP_BOTTOM3 { 355 0x0: MOV(Rd,Cd); 356 0x1: MOV(Rd,Dd); 357 0x2: MOV(Cd,Rd); 358 0x3: MOV(Dd,Rd); 359 0x4: WarnUnimpl::mov_Rd_Td(); 360 0x6: WarnUnimpl::mov_Td_Rd(); 361 default: UD2(); 362 } 363 // lock prefix (0xF0) 364 0x2: decode OPCODE_OP_BOTTOM3 { 365 0x0: WarnUnimpl::mov_Rd_CR8D(); 366 0x2: WarnUnimpl::mov_CR8D_Rd(); 367 } 368 default: UD2(); 369 } 370 } 371 0x05: decode LEGACY_DECODEVAL { 372 // no prefix 373 0x0: decode OPCODE_OP_BOTTOM3 { 374 //These moves should really use size o (octword), but 375 //because they are split in two, they use q (quadword). 376 0x0: Inst::MOVAPS(Vq,Wq); 377 0x1: Inst::MOVAPS(Wq,Vq); 378 0x2: Inst::CVTPI2PS(Vq,Qq); 379 0x3: movntps_Mo_Vo(); 380 0x4: cvttps2pi_Pq_Wq(); 381 0x5: cvtpS2pi_Pq_Wq(); 382 0x6: Inst::UCOMISS(Vd,Wd); 383 0x7: Inst::COMISS(Vd,Wd); 384 } 385 // repe (0xF3) 386 0x4: decode OPCODE_OP_BOTTOM3 { 387 0x2: Inst::CVTSI2SS(Vd,Ed); 388 0x4: cvttss2si_Gd_Wd(); 389 0x5: cvtss2si_Gd_Wd(); 390 default: Inst::UD2(); 391 } 392 // operand size (0x66) 393 0x1: decode OPCODE_OP_BOTTOM3 { 394 0x0: Inst::MOVAPD(Vo,Wo); 395 0x1: Inst::MOVAPD(Wo,Vo); 396 0x2: Inst::CVTPI2PD(Vo,Qq); 397 0x3: movntpd_Mo_Vo(); 398 0x4: cvttpd2pi_Pq_Wo(); 399 0x5: cvtpd2pi_Pq_Wo(); 400 0x6: Inst::UCOMISD(Vq,Wq); 401 0x7: Inst::COMISD(Vq,Wq); 402 } 403 // repne (0xF2) 404 0x8: decode OPCODE_OP_BOTTOM3 { 405 // The size of the V operand should be q, not dp 406 0x2: Inst::CVTSI2SD(Vdp,Edp); 407 // The size of the W operand should be q, not dp 408 0x4: Inst::CVTTSD2SI(Gdp,Wdp); 409 0x5: cvtsd2si_Gd_Wq(); 410 default: Inst::UD2(); 411 } 412 default: Inst::UD2(); 413 } 414 0x06: decode OPCODE_OP_BOTTOM3 { 415 0x0: Inst::WRMSR(); 416 0x1: Inst::RDTSC(); 417 0x2: Inst::RDMSR(); 418 0x3: rdpmc(); 419#if FULL_SYSTEM 420 0x4: sysenter(); 421#else 422 0x4: SyscallInst::sysenter('xc->syscall(Rax)', IsSyscall); 423#endif 424 0x5: sysexit(); 425 0x6: Inst::UD2(); 426 0x7: getsec(); 427 } 428 0x07: decode OPCODE_OP_BOTTOM3 { 429 0x0: three_byte_opcode(); 430 0x1: three_byte_opcode(); 431 0x2: three_byte_opcode(); 432 0x3: three_byte_opcode(); 433 0x4: three_byte_opcode(); 434 0x5: three_byte_opcode(); 435 0x6: three_byte_opcode(); 436 0x7: three_byte_opcode(); 437 } 438 format Inst { 439 0x08: decode OPCODE_OP_BOTTOM3 { 440 0x0: CMOVO(Gv,Ev); 441 0x1: CMOVNO(Gv,Ev); 442 0x2: CMOVB(Gv,Ev); 443 0x3: CMOVNB(Gv,Ev); 444 0x4: CMOVZ(Gv,Ev); 445 0x5: CMOVNZ(Gv,Ev); 446 0x6: CMOVBE(Gv,Ev); 447 0x7: CMOVNBE(Gv,Ev); 448 } 449 0x09: decode OPCODE_OP_BOTTOM3 { 450 0x0: CMOVS(Gv,Ev); 451 0x1: CMOVNS(Gv,Ev); 452 0x2: CMOVP(Gv,Ev); 453 0x3: CMOVNP(Gv,Ev); 454 0x4: CMOVL(Gv,Ev); 455 0x5: CMOVNL(Gv,Ev); 456 0x6: CMOVLE(Gv,Ev); 457 0x7: CMOVNLE(Gv,Ev); 458 } 459 0x0A: decode LEGACY_DECODEVAL { 460 // no prefix 461 0x0: decode OPCODE_OP_BOTTOM3 { 462 0x0: MOVMSKPS(Gd,VRo); 463 0x1: SQRTPS(Vo,Wo); 464 0x2: WarnUnimpl::rqsrtps_Vo_Wo(); 465 0x3: WarnUnimpl::rcpps_Vo_Wo(); 466 0x4: ANDPS(Vo,Wo); 467 0x5: ANDNPS(Vo,Wo); 468 0x6: ORPS(Vo,Wo); 469 0x7: XORPS(Vo,Wo); 470 } 471 // repe (0xF3) 472 0x4: decode OPCODE_OP_BOTTOM3 { 473 0x1: SQRTSS(Vd,Wd); 474 0x2: WarnUnimpl::rsqrtss_Vd_Wd(); 475 0x3: WarnUnimpl::rcpss_Vd_Wd(); 476 default: UD2(); 477 } 478 // operand size (0x66) 479 0x1: decode OPCODE_OP_BOTTOM3 { 480 0x0: MOVMSKPD(Gd,VRo); 481 0x1: SQRTPD(Vo,Wo); 482 0x4: ANDPD(Vo,Wo); 483 0x5: ANDNPD(Vo,Wo); 484 0x6: ORPD(Vo,Wo); 485 //This really should be type o, but it works on q sized 486 //chunks at a time. 487 0x7: XORPD(Vq,Wq); 488 default: UD2(); 489 } 490 // repne (0xF2) 491 0x8: decode OPCODE_OP_BOTTOM3 { 492 0x1: SQRTSD(Vq,Wq); 493 default: UD2(); 494 } 495 default: UD2(); 496 } 497 0x0B: decode LEGACY_DECODEVAL { 498 // no prefix 499 0x0: decode OPCODE_OP_BOTTOM3 { 500 0x0: ADDPS(Vo,Wo); 501 0x1: MULPS(Vo,Wo); 502 0x2: CVTPS2PD(Vo,Wq); 503 0x3: CVTDQ2PS(Vo,Wo); 504 0x4: SUBPS(Vo,Wo); 505 0x5: MINPS(Vo,Wo); 506 0x6: DIVPS(Vo,Wo); 507 0x7: MAXPS(Vo,Wo); 508 } 509 // repe (0xF3) 510 0x4: decode OPCODE_OP_BOTTOM3 { 511 0x0: ADDSS(Vd,Wd); 512 0x1: MULSS(Vd,Wd); 513 0x2: CVTSS2SD(Vq,Wd); 514 0x3: WarnUnimpl::cvttps2dq_Vo_Wo(); 515 0x4: SUBSS(Vd,Wd); 516 0x5: MINSS(Vd,Wd); 517 0x6: DIVSS(Vd,Wd); 518 0x7: MAXSS(Vd,Wd); 519 } 520 // operand size (0x66) 521 0x1: decode OPCODE_OP_BOTTOM3 { 522 0x0: ADDPD(Vo,Wo); 523 0x1: MULPD(Vo,Wo); 524 0x2: CVTPD2PS(Vo,Wo); 525 0x3: WarnUnimpl::cvtps2dq_Vo_Wo(); 526 0x4: SUBPD(Vo,Wo); 527 0x5: MINPD(Vo,Wo); 528 0x6: DIVPD(Vo,Wo); 529 0x7: MAXPD(Vo,Wo); 530 } 531 // repne (0xF2) 532 0x8: decode OPCODE_OP_BOTTOM3 { 533 0x0: ADDSD(Vq,Wq); 534 0x1: MULSD(Vq,Wq); 535 0x2: CVTSD2SS(Vd,Wq); 536 0x4: SUBSD(Vq,Wq); 537 0x5: MINSD(Vq,Wq); 538 0x6: DIVSD(Vq,Wq); 539 0x7: MAXSD(Vq,Wq); 540 default: UD2(); 541 } 542 default: UD2(); 543 } 544 0x0C: decode LEGACY_DECODEVAL { 545 // no prefix 546 0x0: decode OPCODE_OP_BOTTOM3 { 547 0x0: PUNPCKLBW(Pq,Qd); 548 0x1: PUNPCKLWD(Pq,Qd); 549 0x2: PUNPCKLDQ(Pq,Qd); 550 0x3: PACKSSWB(Pq,Qq); 551 0x4: PCMPGTB(Pq,Qq); 552 0x5: PCMPGTW(Pq,Qq); 553 0x6: PCMPGTD(Pq,Qq); 554 0x7: PACKUSWB(Pq,Qq); 555 } 556 // operand size (0x66) 557 0x1: decode OPCODE_OP_BOTTOM3 { 558 0x0: PUNPCKLBW(Vo,Wq); 559 0x1: PUNPCKLWD(Vo,Wq); 560 0x2: PUNPCKLDQ(Vo,Wq); 561 0x3: PACKSSWB(Vo,Wo); 562 0x4: PCMPGTB(Vo,Wo); 563 0x5: PCMPGTW(Vo,Wo); 564 0x6: PCMPGTD(Vo,Wo); 565 0x7: PACKUSWB(Vo,Wo); 566 } 567 default: UD2(); 568 } 569 0x0D: decode LEGACY_DECODEVAL { 570 // no prefix 571 0x0: decode OPCODE_OP_BOTTOM3 { 572 0x0: PUNPCKHBW(Pq,Qq); 573 0x1: PUNPCKHWD(Pq,Qq); 574 0x2: PUNPCKHDQ(Pq,Qq); 575 0x3: PACKSSDW(Pq,Qq); 576 0x6: MOVD(Pq,Edp); 577 0x7: MOVQ(Pq,Qq); 578 default: UD2(); 579 } 580 // repe (0xF3) 581 0x4: decode OPCODE_OP_BOTTOM3 { 582 0x7: WarnUnimpl::movdqu_Vo_Wo(); 583 default: UD2(); 584 } 585 // operand size (0x66) 586 0x1: decode OPCODE_OP_BOTTOM3 { 587 0x0: PUNPCKHBW(Vo,Wo); 588 0x1: PUNPCKHWD(Vo,Wo); 589 0x2: PUNPCKHDQ(Vo,Wo); 590 0x3: PACKSSDW(Vo,Wo); 591 0x4: PUNPCKLQDQ(Vo,Wq); 592 0x5: PUNPCKHQDQ(Vo,Wq); 593 0x6: WarnUnimpl::movd_Vo_Ed(); 594 0x7: WarnUnimpl::movdqa_Vo_Wo(); 595 } 596 default: UD2(); 597 } 598 0x0E: decode LEGACY_DECODEVAL { 599 // no prefix 600 0x0: decode OPCODE_OP_BOTTOM3 { 601 0x0: PSHUFW(Pq,Qq,Ib); 602 //0x1: group13_pshimw(); 603 0x1: decode MODRM_REG { 604 0x2: decode LEGACY_OP { 605 0x0: PSRLW(PRq,Ib); 606 0x1: PSRLW(VRo,Ib); 607 } 608 0x4: decode LEGACY_OP { 609 0x0: PSRAW(PRq,Ib); 610 0x1: PSRAW(VRo,Ib); 611 } 612 0x6: decode LEGACY_OP { 613 0x0: PSLLW(PRq,Ib); 614 0x1: PSLLW(VRo,Ib); 615 } 616 default: UD2(); 617 } 618 //0x2: group14_pshimd(); 619 0x2: decode MODRM_REG { 620 0x2: decode LEGACY_OP { 621 0x0: PSRLD(PRq,Ib); 622 0x1: PSRLD(VRo,Ib); 623 } 624 0x4: decode LEGACY_OP { 625 0x0: PSRAD(PRq,Ib); 626 0x1: PSRAD(VRo,Ib); 627 } 628 0x6: decode LEGACY_OP { 629 0x0: PSLLD(PRq,Ib); 630 0x1: PSLLD(VRo,Ib); 631 } 632 default: UD2(); 633 } 634 //0x3: group15_pshimq(); 635 0x3: decode MODRM_REG { 636 0x2: decode LEGACY_OP { 637 0x0: PSRLQ(PRq,Ib); 638 0x1: PSRLQ(VRo,Ib); 639 } 640 0x3: decode LEGACY_OP { 641 0x0: UD2(); 642 0x1: WarnUnimpl::psrldq_VRo_Ib(); 643 } 644 0x6: decode LEGACY_OP { 645 0x0: PSLLQ(PRq,Ib); 646 0x1: PSLLQ(VRo,Ib); 647 } 648 0x7: decode LEGACY_OP { 649 0x0: UD2(); 650 0x1: WarnUnimpl::pslldq_VRo_Ib(); 651 } 652 default: Inst::UD2(); 653 } 654 0x4: Inst::PCMPEQB(Pq,Qq); 655 0x5: Inst::PCMPEQW(Pq,Qq); 656 0x6: Inst::PCMPEQD(Pq,Qq); 657 0x7: WarnUnimpl::emms(); 658 } 659 // repe (0xF3) 660 0x4: decode OPCODE_OP_BOTTOM3 { 661 0x0: PSHUFHW(Vo,Wo,Ib); 662 default: UD2(); 663 } 664 // operand size (0x66) 665 0x1: decode OPCODE_OP_BOTTOM3 { 666 0x0: PSHUFD(Vo,Wo,Ib); 667 //0x1: group13_pshimw(); 668 0x1: decode MODRM_REG { 669 0x2: decode LEGACY_OP { 670 0x0: PSRLW(PRq,Ib); 671 0x1: PSRLW(VRo,Ib); 672 } 673 0x4: decode LEGACY_OP { 674 0x0: PSRAW(PRq,Ib); 675 0x1: PSRAW(VRo,Ib); 676 } 677 0x6: decode LEGACY_OP { 678 0x0: PSLLW(PRq,Ib); 679 0x1: PSLLW(VRo,Ib); 680 } 681 default: Inst::UD2(); 682 } 683 //0x2: group14_pshimd(); 684 0x2: decode MODRM_REG { 685 0x2: decode LEGACY_OP { 686 0x0: PSRLD(PRq,Ib); 687 0x1: PSRLD(VRo,Ib); 688 } 689 0x4: decode LEGACY_OP { 690 0x0: PSRAD(PRq,Ib); 691 0x1: PSRAD(VRo,Ib); 692 } 693 0x6: decode LEGACY_OP { 694 0x0: PSLLD(PRq,Ib); 695 0x1: PSLLD(VRo,Ib); 696 } 697 default: UD2(); 698 } 699 //0x3: group15_pshimq(); 700 0x3: decode MODRM_REG { 701 0x2: decode LEGACY_OP { 702 0x0: PSRLQ(PRq,Ib); 703 0x1: PSRLQ(VRo,Ib); 704 } 705 0x3: decode LEGACY_OP { 706 0x0: UD2(); 707 0x1: WarnUnimpl::psrldq_VRo_Ib(); 708 } 709 0x6: decode LEGACY_OP { 710 0x0: PSLLQ(PRq,Ib); 711 0x1: PSLLQ(VRo,Ib); 712 } 713 0x7: decode LEGACY_OP { 714 0x0: UD2(); 715 0x1: WarnUnimpl::pslldq_VRo_Ib(); 716 } 717 default: UD2(); 718 } 719 0x4: PCMPEQB(Vo,Wo); 720 0x5: PCMPEQW(Vo,Wo); 721 0x6: PCMPEQD(Vo,Wo); 722 default: UD2(); 723 } 724 // repne (0xF2) 725 0x8: decode OPCODE_OP_BOTTOM3 { 726 0x0: PSHUFLW(Vo,Wo,Ib); 727 default: UD2(); 728 } 729 default: UD2(); 730 } 731 0x0F: decode LEGACY_DECODEVAL { 732 // no prefix 733 0x0: decode OPCODE_OP_BOTTOM3 { 734 0x0: WarnUnimpl::vmread_Ed_or_Eq_Gd_or_Gq(); 735 0x1: WarnUnimpl::vmwrite_Gd_or_Gq_Ed_or_Eq(); 736 0x6: MOVD(Edp,Pdp); 737 0x7: MOVQ(Qq,Pq); 738 default: UD2(); 739 } 740 // repe (0xF3) 741 0x4: decode OPCODE_OP_BOTTOM3 { 742 0x6: MOVQ(Vq,Wq); 743 0x7: WarnUnimpl::movdqu_Wo_Vo(); 744 default: UD2(); 745 } 746 // operand size (0x66) 747 0x1: decode OPCODE_OP_BOTTOM3 { 748 0x4: WarnUnimpl::haddpd_Vo_Wo(); 749 0x5: WarnUnimpl::hsubpd_Vo_Wo(); 750 0x6: WarnUnimpl::movd_Ed_Vd(); 751 0x7: WarnUnimpl::movdqa_Wo_Vo(); 752 default: UD2(); 753 } 754 // repne (0xF2) 755 0x8: decode OPCODE_OP_BOTTOM3 { 756 0x4: WarnUnimpl::haddps_Vo_Wo(); 757 0x5: WarnUnimpl::hsubps_Vo_Wo(); 758 default: UD2(); 759 } 760 default: UD2(); 761 } 762 0x10: decode OPCODE_OP_BOTTOM3 { 763 0x0: JO(Jz); 764 0x1: JNO(Jz); 765 0x2: JB(Jz); 766 0x3: JNB(Jz); 767 0x4: JZ(Jz); 768 0x5: JNZ(Jz); 769 0x6: JBE(Jz); 770 0x7: JNBE(Jz); 771 } 772 0x11: decode OPCODE_OP_BOTTOM3 { 773 0x0: JS(Jz); 774 0x1: JNS(Jz); 775 0x2: JP(Jz); 776 0x3: JNP(Jz); 777 0x4: JL(Jz); 778 0x5: JNL(Jz); 779 0x6: JLE(Jz); 780 0x7: JNLE(Jz); 781 } 782 0x12: decode OPCODE_OP_BOTTOM3 { 783 0x0: SETO(Eb); 784 0x1: SETNO(Eb); 785 0x2: SETB(Eb); 786 0x3: SETNB(Eb); 787 0x4: SETZ(Eb); 788 0x5: SETNZ(Eb); 789 0x6: SETBE(Eb); 790 0x7: SETNBE(Eb); 791 } 792 0x13: decode OPCODE_OP_BOTTOM3 { 793 0x0: SETS(Eb); 794 0x1: SETNS(Eb); 795 0x2: SETP(Eb); 796 0x3: SETNP(Eb); 797 0x4: SETL(Eb); 798 0x5: SETNL(Eb); 799 0x6: SETLE(Eb); 800 0x7: SETNLE(Eb); 801 } 802 } 803 0x14: decode OPCODE_OP_BOTTOM3 { 804 0x0: push_fs(); 805 0x1: pop_fs(); 806 0x2: CPUIDInst::CPUID({{ 807 CpuidResult result; 808 success = doCpuid(xc->tcBase(), bits(Rax, 31, 0), result); 809 Rax = result.rax; 810 Rbx = result.rbx; 811 Rcx = result.rcx; 812 Rdx = result.rdx; 813 }}); 814 0x3: Inst::BT(Ev,Gv); 815 0x4: Inst::SHLD(Ev,Gv,Ib); 816 0x5: Inst::SHLD(Ev,Gv); 817 0x6: xbts_and_cmpxchg(); 818 0x7: ibts_and_cmpxchg(); 819 } 820 0x15: decode OPCODE_OP_BOTTOM3 { 821 0x0: push_gs(); 822 0x1: pop_gs(); 823 0x2: rsm_smm(); 824 0x3: Inst::BTS(Ev,Gv); 825 0x4: Inst::SHRD(Ev,Gv,Ib); 826 0x5: Inst::SHRD(Ev,Gv); 827 //0x6: group16(); 828 0x6: decode MODRM_REG { 829 0x0: fxsave(); 830 0x1: fxrstor(); 831 0x2: Inst::LDMXCSR(Md); 832 0x3: Inst::STMXCSR(Md); 833 0x4: Inst::UD2(); 834 0x5: decode MODRM_MOD { 835 0x3: BasicOperate::LFENCE( 836 {{/*Nothing*/}}, IsReadBarrier); 837 default: Inst::UD2(); 838 } 839 0x6: decode MODRM_MOD { 840 0x3: BasicOperate::MFENCE( 841 {{/*Nothing*/}}, IsMemBarrier); 842 default: Inst::UD2(); 843 } 844 0x7: decode MODRM_MOD { 845 0x3: BasicOperate::SFENCE( 846 {{/*Nothing*/}}, IsWriteBarrier); 847 default: Inst::UD2(); 848 } 849 } 850 0x7: Inst::IMUL(Gv,Ev); 851 } 852 format Inst { 853 0x16: decode OPCODE_OP_BOTTOM3 { 854 0x0: CMPXCHG(Eb,Gb); 855 0x1: CMPXCHG(Ev,Gv); 856 0x2: WarnUnimpl::lss_Gz_Mp(); 857 0x3: BTR(Ev,Gv); 858 0x4: WarnUnimpl::lfs_Gz_Mp(); 859 0x5: WarnUnimpl::lgs_Gz_Mp(); 860 //The size of the second operand in these instructions 861 //should really be "b" or "w", but it's set to v in order 862 //to have a consistent register size. This shouldn't 863 //affect behavior. 864 0x6: MOVZX_B(Gv,Ev); 865 0x7: MOVZX_W(Gv,Ev); 866 } 867 0x17: decode OPCODE_OP_BOTTOM3 { 868 0x0: WarnUnimpl::jmpe_Jz(); // IA-64? 869 //0x1: group11_UD2(); 870 0x1: UD2(); 871 //0x2: group8_Ev_Ib(); 872 0x2: decode MODRM_REG { 873 0x4: BT(Ev,Ib); 874 0x5: BTS(Ev,Ib); 875 0x6: BTR(Ev,Ib); 876 0x7: BTC(Ev,Ib); 877 default: UD2(); 878 } 879 0x3: BTC(Ev,Gv); 880 0x4: BSF(Gv,Ev); 881 0x5: BSR(Gv,Ev); 882 //The size of the second operand in these instructions 883 //should really be "b" or "w", but it's set to v in order 884 //to have a consistent register size. This shouldn't 885 //affect behavior. 886 0x6: MOVSX_B(Gv,Ev); 887 0x7: MOVSX_W(Gv,Ev); 888 } 889 0x18: decode OPCODE_OP_BOTTOM3 { 890 0x0: XADD(Eb,Gb); 891 0x1: XADD(Ev,Gv); 892 //0x7: group9(); 893 0x7: decode MODRM_REG { 894 //Also CMPXCHG16B 895 0x1: CMPXCHG8B(Mdp); 896 0x6: decode LEGACY_OP { 897 0x1: WarnUnimpl::vmclear_Mq(); 898 default: decode LEGACY_REP { 899 0x1: WarnUnimpl::vmxon_Mq(); 900 0x0: WarnUnimpl::vmptrld_Mq(); 901 } 902 } 903 0x7: WarnUnimpl::vmptrst_Mq(); 904 default: UD2(); 905 } 906 default: decode LEGACY_DECODEVAL { 907 // no prefix 908 0x0: decode OPCODE_OP_BOTTOM3 { 909 0x2: CMPPS(Vo,Wo,Ib); 910 0x3: WarnUnimpl::movnti_Mdq_Gdq(); 911 0x4: PINSRW(Pq,Ew,Ib); 912 0x5: PEXTRW(Gd,PRq,Ib); 913 0x6: SHUFPS(Vps,Wps,Ib); 914 } 915 // repe (0xF3) 916 0x4: decode OPCODE_OP_BOTTOM3 { 917 0x2: CMPSS(Vd,Wd,Ib); 918 default: UD2(); 919 } 920 // operand size (0x66) 921 0x1: decode OPCODE_OP_BOTTOM3 { 922 0x2: CMPPD(Vo,Wo,Ib); 923 0x4: PINSRW(Vdw,Ew,Ib); 924 0x5: PEXTRW(Gd,VRdq,Ib); 925 0x6: SHUFPD(Vpd,Wpd,Ib); 926 default: UD2(); 927 } 928 // repne (0xF2) 929 0x8: decode OPCODE_OP_BOTTOM3 { 930 0x2: CMPSD(Vq,Wq,Ib); 931 default: UD2(); 932 } 933 default: UD2(); 934 } 935 } 936 0x19: decode OPSIZE { 937 4: BSWAP_D(Bd); 938 8: BSWAP_Q(Bq); 939 default: UD2(); 940 } 941 0x1A: decode LEGACY_DECODEVAL { 942 // no prefix 943 0x0: decode OPCODE_OP_BOTTOM3 { 944 0x1: PSRLW(Pq,Qq); 945 0x2: PSRLD(Pq,Qq); 946 0x3: PSRLQ(Pq,Qq); 947 0x4: PADDQ(Pq,Qq); 948 0x5: PMULLW(Pq,Qq); 949 0x7: PMOVMSKB(Gd,PRq); 950 default: UD2(); 951 } 952 // repe (0xF3) 953 0x4: decode OPCODE_OP_BOTTOM3 { 954 0x6: WarnUnimpl::movq2dq_Vo_PRq(); 955 default: UD2(); 956 } 957 // operand size (0x66) 958 0x1: decode OPCODE_OP_BOTTOM3 { 959 0x0: WarnUnimpl::addsubpd_Vo_Wo(); 960 0x1: PSRLW(Vo,Wo); 961 0x2: PSRLD(Vo,Wo); 962 0x3: PSRLQ(Vo,Wo); 963 0x4: PADDQ(Vo,Wo); 964 0x5: PMULLW(Vo,Wo); 965 0x6: MOVQ(Wq,Vq); 966 0x7: PMOVMSKB(Gd,VRo); 967 } 968 // repne (0xF2) 969 0x8: decode OPCODE_OP_BOTTOM3 { 970 0x0: WarnUnimpl::addsubps_Vo_Wo(); 971 0x6: WarnUnimpl::movdq2q_Pq_VRq(); 972 default: UD2(); 973 } 974 default: UD2(); 975 } 976 0x1B: decode LEGACY_DECODEVAL { 977 // no prefix 978 0x0: decode OPCODE_OP_BOTTOM3 { 979 0x0: PSUBUSB(Pq,Qq); 980 0x1: PSUBUSW(Pq,Qq); 981 0x2: PMINUB(Pq,Qq); 982 0x3: PAND(Pq,Qq); 983 0x4: PADDUSB(Pq,Qq); 984 0x5: PADDUSW(Pq,Qq); 985 0x6: PMAXUB(Pq,Qq); 986 0x7: PANDN(Pq,Qq); 987 } 988 // operand size (0x66) 989 0x1: decode OPCODE_OP_BOTTOM3 { 990 0x0: PSUBUSB(Vo,Wo); 991 0x1: PSUBUSW(Vo,Wo); 992 0x2: PMINUB(Vo,Wo); 993 0x3: PAND(Vo,Wo); 994 0x4: PADDUSB(Vo,Wo); 995 0x5: PADDUSW(Vo,Wo); 996 0x6: PMAXUB(Vo,Wo); 997 0x7: PANDN(Vo,Wo); 998 } 999 default: UD2(); 1000 } 1001 0x1C: decode LEGACY_DECODEVAL { 1002 // no prefix 1003 0x0: decode OPCODE_OP_BOTTOM3 { 1004 0x0: PAVGB(Pq,Qq); 1005 0x1: PSRAW(Pq,Qq); 1006 0x2: PSRAD(Pq,Qq); 1007 0x3: PAVGW(Pq,Qq); 1008 0x4: PMULHUW(Pq,Qq); 1009 0x5: PMULHW(Pq,Qq); 1010 0x7: WarnUnimpl::movntq_Mq_Pq(); 1011 default: UD2(); 1012 } 1013 // repe (0xF3) 1014 0x4: decode OPCODE_OP_BOTTOM3 { 1015 0x6: CVTDQ2PD(Vo,Wq); 1016 default: UD2(); 1017 } 1018 // operand size (0x66) 1019 0x1: decode OPCODE_OP_BOTTOM3 { 1020 0x0: PAVGB(Vo,Wo); 1021 0x1: PSRAW(Vo,Wo); 1022 0x2: PSRAD(Vo,Wo); 1023 0x3: PAVGW(Vo,Wo); 1024 0x4: PMULHUW(Vo,Wo); 1025 0x5: PMULHW(Vo,Wo); 1026 0x6: WarnUnimpl::cvttpd2dq_Vo_Wo(); 1027 0x7: WarnUnimpl::movntdq_Mo_Vo(); 1028 } 1029 // repne (0xF2) 1030 0x8: decode OPCODE_OP_BOTTOM3 { 1031 0x6: WarnUnimpl::cvtpd2dq_Vo_Wo(); 1032 default: UD2(); 1033 } 1034 default: UD2(); 1035 } 1036 0x1D: decode LEGACY_DECODEVAL { 1037 // no prefix 1038 0x0: decode OPCODE_OP_BOTTOM3 { 1039 0x0: PSUBSB(Pq,Qq); 1040 0x1: PSUBSW(Pq,Qq); 1041 0x2: PMINSW(Pq,Qq); 1042 0x3: POR(Pq,Qq); 1043 0x4: PADDSB(Pq,Qq); 1044 0x5: PADDSW(Pq,Qq); 1045 0x6: PMAXSW(Pq,Qq); 1046 0x7: PXOR(Pq,Qq); 1047 } 1048 // operand size (0x66) 1049 0x1: decode OPCODE_OP_BOTTOM3 { 1050 0x0: PSUBSB(Vo,Wo); 1051 0x1: PSUBSW(Vo,Wo); 1052 0x2: PMINSW(Vo,Wo); 1053 0x3: POR(Vo,Wo); 1054 0x4: PADDSB(Vo,Wo); 1055 0x5: PADDSW(Vo,Wo); 1056 0x6: PMAXSW(Vo,Wo); 1057 0x7: PXOR(Vo,Wo); 1058 } 1059 default: UD2(); 1060 } 1061 0x1E: decode LEGACY_DECODEVAL { 1062 // no prefix 1063 0x0: decode OPCODE_OP_BOTTOM3 { 1064 0x1: PSLLW(Pq,Qq); 1065 0x2: PSLLD(Pq,Qq); 1066 0x3: PSLLQ(Pq,Qq); 1067 0x4: PMULUDQ(Pq,Qq); 1068 0x5: PMADDWD(Pq,Qq); 1069 0x6: PSADBW(Pq,Qq); 1070 0x7: MASKMOVQ(Pq,PRq); 1071 default: UD2(); 1072 } 1073 // operand size (0x66) 1074 0x1: decode OPCODE_OP_BOTTOM3 { 1075 0x1: PSLLW(Vo,Wo); 1076 0x2: PSLLD(Vo,Wo); 1077 0x3: PSLLQ(Vo,Wo); 1078 0x4: PMULUDQ(Vo,Wo); 1079 0x5: PMADDWD(Vo,Wo); 1080 0x6: PSADBW(Vo,Wo); 1081 0x7: MASKMOVDQU(Vo,VRo); 1082 default: UD2(); 1083 } 1084 // repne (0xF2) 1085 0x8: decode OPCODE_OP_BOTTOM3 { 1086 0x0: WarnUnimpl::lddqu_Vo_Mo(); 1087 default: UD2(); 1088 } 1089 default: UD2(); 1090 } 1091 0x1F: decode LEGACY_DECODEVAL { 1092 // no prefix 1093 0x0: decode OPCODE_OP_BOTTOM3 { 1094 0x0: PSUBB(Pq,Qq); 1095 0x1: PSUBW(Pq,Qq); 1096 0x2: PSUBD(Pq,Qq); 1097 0x3: PSUBQ(Pq,Qq); 1098 0x4: PADDB(Pq,Qq); 1099 0x5: PADDW(Pq,Qq); 1100 0x6: PADDD(Pq,Qq); 1101 0x7: UD2(); 1102 } 1103 // operand size (0x66) 1104 0x1: decode OPCODE_OP_BOTTOM3 { 1105 0x0: PSUBB(Vo,Wo); 1106 0x1: PSUBW(Vo,Wo); 1107 0x2: PSUBD(Vo,Wo); 1108 0x3: PSUBQ(Vo,Wo); 1109 0x4: PADDB(Vo,Wo); 1110 0x5: PADDW(Vo,Wo); 1111 0x6: PADDD(Vo,Wo); 1112 0x7: UD2(); 1113 } 1114 default: UD2(); 1115 } 1116 } 1117 default: FailUnimpl::twoByteOps(); 1118 } 1119 } 1120 default: M5InternalError::error( 1121 {{"Unexpected first opcode byte in two byte opcode!"}}); 1122} 1123