two_byte_opcodes.isa revision 6580:a1c40860fe09
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: WarnUnimpl::movss_Vd_Wd(); 310 0x1: WarnUnimpl::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: ucomiss_Vd_Wd(); 383 0x7: 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: 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: WarnUnimpl::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: WarnUnimpl::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 } 599 0x0E: decode LEGACY_DECODEVAL { 600 // no prefix 601 0x0: decode OPCODE_OP_BOTTOM3 { 602 0x0: pshufw_Pq_Qq_Ib(); 603 //0x1: group13_pshimw(); 604 0x1: decode MODRM_REG { 605 0x2: decode LEGACY_OP { 606 0x0: psrlw_PRq_Ib(); 607 0x1: psrlw_VRo_Ib(); 608 } 609 0x4: decode LEGACY_OP { 610 0x0: psraw_PRq_Ib(); 611 0x1: psraw_VRo_Ib(); 612 } 613 0x6: decode LEGACY_OP { 614 0x0: psllw_PRq_Ib(); 615 0x1: psllw_VRo_Ib(); 616 } 617 default: Inst::UD2(); 618 } 619 //0x2: group14_pshimd(); 620 0x2: decode MODRM_REG { 621 0x2: decode LEGACY_OP { 622 0x0: psrld_PRq_Ib(); 623 0x1: psrld_VRo_Ib(); 624 } 625 0x4: decode LEGACY_OP { 626 0x0: psrad_PRq_Ib(); 627 0x1: psrad_VRo_Ib(); 628 } 629 0x6: decode LEGACY_OP { 630 0x0: pslld_PRq_Ib(); 631 0x1: pslld_VRo_Ib(); 632 } 633 default: Inst::UD2(); 634 } 635 //0x3: group15_pshimq(); 636 0x3: decode MODRM_REG { 637 0x2: decode LEGACY_OP { 638 0x0: psrlq_PRq_Ib(); 639 0x1: psrlq_VRo_Ib(); 640 } 641 0x3: decode LEGACY_OP { 642 0x0: Inst::UD2(); 643 0x1: psrldq_VRo_Ib(); 644 } 645 0x6: decode LEGACY_OP { 646 0x0: psllq_PRq_Ib(); 647 0x1: psllq_VRo_Ib(); 648 } 649 0x7: decode LEGACY_OP { 650 0x0: Inst::UD2(); 651 0x1: pslldq_VRo_Ib(); 652 } 653 default: Inst::UD2(); 654 } 655 0x4: Inst::PCMPEQB(Pq,Qq); 656 0x5: Inst::PCMPEQW(Pq,Qq); 657 0x6: Inst::PCMPEQD(Pq,Qq); 658 0x7: emms(); 659 } 660 // repe (0xF3) 661 0x4: decode OPCODE_OP_BOTTOM3 { 662 0x0: pshufhw_Vo_Wo_Ib(); 663 default: Inst::UD2(); 664 } 665 // operand size (0x66) 666 0x1: decode OPCODE_OP_BOTTOM3 { 667 0x0: pshufd_Vo_Wo_Ib(); 668 //0x1: group13_pshimw(); 669 0x1: decode MODRM_REG { 670 0x2: decode LEGACY_OP { 671 0x0: psrlw_PRq_Ib(); 672 0x1: psrlw_VRo_Ib(); 673 } 674 0x4: decode LEGACY_OP { 675 0x0: psraw_PRq_Ib(); 676 0x1: psraw_VRo_Ib(); 677 } 678 0x6: decode LEGACY_OP { 679 0x0: psllw_PRq_Ib(); 680 0x1: psllw_VRo_Ib(); 681 } 682 default: Inst::UD2(); 683 } 684 //0x2: group14_pshimd(); 685 0x2: decode MODRM_REG { 686 0x2: decode LEGACY_OP { 687 0x0: psrld_PRq_Ib(); 688 0x1: psrld_VRo_Ib(); 689 } 690 0x4: decode LEGACY_OP { 691 0x0: psrad_PRq_Ib(); 692 0x1: psrad_VRo_Ib(); 693 } 694 0x6: decode LEGACY_OP { 695 0x0: pslld_PRq_Ib(); 696 0x1: pslld_VRo_Ib(); 697 } 698 default: Inst::UD2(); 699 } 700 //0x3: group15_pshimq(); 701 0x3: decode MODRM_REG { 702 0x2: decode LEGACY_OP { 703 0x0: psrlq_PRq_Ib(); 704 0x1: psrlq_VRo_Ib(); 705 } 706 0x3: decode LEGACY_OP { 707 0x0: Inst::UD2(); 708 0x1: psrldq_VRo_Ib(); 709 } 710 0x6: decode LEGACY_OP { 711 0x0: psllq_PRq_Ib(); 712 0x1: psllq_VRo_Ib(); 713 } 714 0x7: decode LEGACY_OP { 715 0x0: Inst::UD2(); 716 0x1: pslldq_VRo_Ib(); 717 } 718 default: Inst::UD2(); 719 } 720 0x4: Inst::PCMPEQB(Vo,Wo); 721 0x5: Inst::PCMPEQW(Vo,Wo); 722 0x6: Inst::PCMPEQD(Vo,Wo); 723 default: Inst::UD2(); 724 } 725 // repne (0xF2) 726 0x8: decode OPCODE_OP_BOTTOM3 { 727 0x0: pshuflw_Vo_Wo_Ib(); 728 default: Inst::UD2(); 729 } 730 default: Inst::UD2(); 731 } 732 0x0F: decode LEGACY_DECODEVAL { 733 // no prefix 734 0x0: decode OPCODE_OP_BOTTOM3 { 735 0x0: vmread_Ed_or_Eq_Gd_or_Gq(); 736 0x1: vmwrite_Gd_or_Gq_Ed_or_Eq(); 737 0x6: Inst::MOVD(Edp,Pdp); 738 0x7: Inst::MOVQ(Qq,Pq); 739 default: Inst::UD2(); 740 } 741 // repe (0xF3) 742 0x4: decode OPCODE_OP_BOTTOM3 { 743 0x6: Inst::MOVQ(Vq,Wq); 744 0x7: movdqu_Wo_Vo(); 745 default: Inst::UD2(); 746 } 747 // operand size (0x66) 748 0x1: decode OPCODE_OP_BOTTOM3 { 749 0x4: haddpd_Vo_Wo(); 750 0x5: hsubpd_Vo_Wo(); 751 0x6: movd_Ed_Vd(); 752 0x7: movdqa_Wo_Vo(); 753 default: Inst::UD2(); 754 } 755 // repne (0xF2) 756 0x8: decode OPCODE_OP_BOTTOM3 { 757 0x4: haddps_Vo_Wo(); 758 0x5: hsubps_Vo_Wo(); 759 default: Inst::UD2(); 760 } 761 default: Inst::UD2(); 762 } 763 format Inst { 764 0x10: decode OPCODE_OP_BOTTOM3 { 765 0x0: JO(Jz); 766 0x1: JNO(Jz); 767 0x2: JB(Jz); 768 0x3: JNB(Jz); 769 0x4: JZ(Jz); 770 0x5: JNZ(Jz); 771 0x6: JBE(Jz); 772 0x7: JNBE(Jz); 773 } 774 0x11: decode OPCODE_OP_BOTTOM3 { 775 0x0: JS(Jz); 776 0x1: JNS(Jz); 777 0x2: JP(Jz); 778 0x3: JNP(Jz); 779 0x4: JL(Jz); 780 0x5: JNL(Jz); 781 0x6: JLE(Jz); 782 0x7: JNLE(Jz); 783 } 784 0x12: decode OPCODE_OP_BOTTOM3 { 785 0x0: SETO(Eb); 786 0x1: SETNO(Eb); 787 0x2: SETB(Eb); 788 0x3: SETNB(Eb); 789 0x4: SETZ(Eb); 790 0x5: SETNZ(Eb); 791 0x6: SETBE(Eb); 792 0x7: SETNBE(Eb); 793 } 794 0x13: decode OPCODE_OP_BOTTOM3 { 795 0x0: SETS(Eb); 796 0x1: SETNS(Eb); 797 0x2: SETP(Eb); 798 0x3: SETNP(Eb); 799 0x4: SETL(Eb); 800 0x5: SETNL(Eb); 801 0x6: SETLE(Eb); 802 0x7: SETNLE(Eb); 803 } 804 } 805 0x14: decode OPCODE_OP_BOTTOM3 { 806 0x0: push_fs(); 807 0x1: pop_fs(); 808 0x2: CPUIDInst::CPUID({{ 809 CpuidResult result; 810 success = doCpuid(xc->tcBase(), bits(Rax, 31, 0), result); 811 Rax = result.rax; 812 Rbx = result.rbx; 813 Rcx = result.rcx; 814 Rdx = result.rdx; 815 }}); 816 0x3: Inst::BT(Ev,Gv); 817 0x4: Inst::SHLD(Ev,Gv,Ib); 818 0x5: Inst::SHLD(Ev,Gv); 819 0x6: xbts_and_cmpxchg(); 820 0x7: ibts_and_cmpxchg(); 821 } 822 0x15: decode OPCODE_OP_BOTTOM3 { 823 0x0: push_gs(); 824 0x1: pop_gs(); 825 0x2: rsm_smm(); 826 0x3: Inst::BTS(Ev,Gv); 827 0x4: Inst::SHRD(Ev,Gv,Ib); 828 0x5: Inst::SHRD(Ev,Gv); 829 //0x6: group16(); 830 0x6: decode MODRM_REG { 831 0x0: fxsave(); 832 0x1: fxrstor(); 833 0x2: ldmxcsr(); 834 0x3: stmxcsr(); 835 0x4: Inst::UD2(); 836 0x5: decode MODRM_MOD { 837 0x3: BasicOperate::LFENCE( 838 {{/*Nothing*/}}, IsReadBarrier); 839 default: Inst::UD2(); 840 } 841 0x6: decode MODRM_MOD { 842 0x3: BasicOperate::MFENCE( 843 {{/*Nothing*/}}, IsMemBarrier); 844 default: Inst::UD2(); 845 } 846 0x7: decode MODRM_MOD { 847 0x3: BasicOperate::SFENCE( 848 {{/*Nothing*/}}, IsWriteBarrier); 849 default: Inst::UD2(); 850 } 851 } 852 0x7: Inst::IMUL(Gv,Ev); 853 } 854 0x16: decode OPCODE_OP_BOTTOM3 { 855 0x0: Inst::CMPXCHG(Eb,Gb); 856 0x1: Inst::CMPXCHG(Ev,Gv); 857 0x2: lss_Gz_Mp(); 858 0x3: Inst::BTR(Ev,Gv); 859 0x4: lfs_Gz_Mp(); 860 0x5: lgs_Gz_Mp(); 861 //The size of the second operand in these instructions should 862 //really be "b" or "w", but it's set to v in order to have a 863 //consistent register size. This shouldn't affect behavior. 864 0x6: Inst::MOVZX_B(Gv,Ev); 865 0x7: Inst::MOVZX_W(Gv,Ev); 866 } 867 0x17: decode OPCODE_OP_BOTTOM3 { 868 0x0: jmpe_Jz(); // IA-64? 869 format Inst { 870 //0x1: group11_UD2(); 871 0x1: UD2(); 872 //0x2: group8_Ev_Ib(); 873 0x2: decode MODRM_REG { 874 0x4: BT(Ev,Ib); 875 0x5: BTS(Ev,Ib); 876 0x6: BTR(Ev,Ib); 877 0x7: BTC(Ev,Ib); 878 default: UD2(); 879 } 880 0x3: BTC(Ev,Gv); 881 } 882 0x4: Inst::BSF(Gv,Ev); 883 0x5: Inst::BSR(Gv,Ev); 884 //The size of the second operand in these instructions should 885 //really be "b" or "w", but it's set to v in order to have a 886 //consistent register size. This shouldn't affect behavior. 887 0x6: Inst::MOVSX_B(Gv,Ev); 888 0x7: Inst::MOVSX_W(Gv,Ev); 889 } 890 format Inst { 891 0x18: decode OPCODE_OP_BOTTOM3 { 892 0x0: XADD(Eb,Gb); 893 0x1: XADD(Ev,Gv); 894 //0x7: group9(); 895 0x7: decode MODRM_REG { 896 //Also CMPXCHG16B 897 0x1: CMPXCHG8B(Mdp); 898 0x6: decode LEGACY_OP { 899 0x1: WarnUnimpl::vmclear_Mq(); 900 default: decode LEGACY_REP { 901 0x1: WarnUnimpl::vmxon_Mq(); 902 0x0: WarnUnimpl::vmptrld_Mq(); 903 } 904 } 905 0x7: WarnUnimpl::vmptrst_Mq(); 906 default: UD2(); 907 } 908 default: decode LEGACY_DECODEVAL { 909 // no prefix 910 0x0: decode OPCODE_OP_BOTTOM3 { 911 0x2: WarnUnimpl::cmpccps_Vo_Wo_Ib(); 912 0x3: CVTDQ2PS(Vo,Wo); 913 0x4: SUBPS(Vo,Wo); 914 0x5: MINPS(Vo,Wo); 915 0x6: DIVPS(Vo,Wo); 916 } 917 // repe (0xF3) 918 0x4: decode OPCODE_OP_BOTTOM3 { 919 0x2: WarnUnimpl::cmpccss_Vd_Wd_Ib(); 920 default: UD2(); 921 } 922 // operand size (0x66) 923 0x1: decode OPCODE_OP_BOTTOM3 { 924 0x2: WarnUnimpl::cmpccpd_Vo_Wo_Ib(); 925 0x4: SUBPD(Vo,Wo); 926 0x5: MINPD(Vo,Wo); 927 0x6: DIVPD(Vo,Wo); 928 default: UD2(); 929 } 930 // repne (0xF2) 931 0x8: decode OPCODE_OP_BOTTOM3 { 932 0x2: WarnUnimpl::cmpccsd_Vq_Wq_Ib(); 933 default: UD2(); 934 } 935 default: UD2(); 936 } 937 } 938 0x19: decode OPSIZE { 939 4: BSWAP_D(Bd); 940 8: BSWAP_Q(Bq); 941 default: UD2(); 942 } 943 } 944 0x1A: decode LEGACY_DECODEVAL { 945 // no prefix 946 0x0: decode OPCODE_OP_BOTTOM3 { 947 0x1: psrlw_Pq_Qq(); 948 0x2: psrld_Pq_Qq(); 949 0x3: psrlq_Pq_Qq(); 950 0x4: Inst::PADDQ(Pq,Qq); 951 0x5: Inst::PMULLW(Pq,Qq); 952 0x7: pmovmskb_Gd_PRq(); 953 default: Inst::UD2(); 954 } 955 // repe (0xF3) 956 0x4: decode OPCODE_OP_BOTTOM3 { 957 0x6: movq2dq_Vo_PRq(); 958 default: Inst::UD2(); 959 } 960 // operand size (0x66) 961 0x1: decode OPCODE_OP_BOTTOM3 { 962 0x0: addsubpd_Vo_Wo(); 963 0x1: psrlw_Vo_Wo(); 964 0x2: psrld_Vo_Wo(); 965 0x3: psrlq_Vo_Wo(); 966 0x4: Inst::PADDQ(Vo,Wo); 967 0x5: Inst::PMULLW(Vo,Wo); 968 0x6: Inst::MOVQ(Wq,Vq); 969 0x7: pmovmskb_Gd_VRo(); 970 } 971 // repne (0xF2) 972 0x8: decode OPCODE_OP_BOTTOM3 { 973 0x0: addsubps_Vo_Wo(); 974 0x6: movdq2q_Pq_VRq(); 975 default: Inst::UD2(); 976 } 977 default: Inst::UD2(); 978 } 979 format Inst { 980 0x1B: decode LEGACY_DECODEVAL { 981 // no prefix 982 0x0: decode OPCODE_OP_BOTTOM3 { 983 0x0: PSUBUSB(Pq,Qq); 984 0x1: PSUBUSW(Pq,Qq); 985 0x2: PMINUB(Pq,Qq); 986 0x3: PAND(Pq,Qq); 987 0x4: PADDUSB(Pq,Qq); 988 0x5: PADDUSW(Pq,Qq); 989 0x6: PMAXUB(Pq,Qq); 990 0x7: PANDN(Pq,Qq); 991 } 992 // operand size (0x66) 993 0x1: decode OPCODE_OP_BOTTOM3 { 994 0x0: PSUBUSB(Vo,Wo); 995 0x1: PSUBUSW(Vo,Wo); 996 0x2: PMINUB(Vo,Wo); 997 0x3: PAND(Vo,Wo); 998 0x4: PADDUSB(Vo,Wo); 999 0x5: PADDUSW(Vo,Wo); 1000 0x6: PMAXUB(Vo,Wo); 1001 0x7: PANDN(Vo,Wo); 1002 } 1003 default: UD2(); 1004 } 1005 } 1006 0x1C: decode LEGACY_DECODEVAL { 1007 // no prefix 1008 0x0: decode OPCODE_OP_BOTTOM3 { 1009 0x0: pavgb_Pq_Qq(); 1010 0x1: psraw_Pq_Qq(); 1011 0x2: psrad_Pq_Qq(); 1012 0x3: pavgw_Pq_Qq(); 1013 0x4: Inst::PMULHUW(Pq,Qq); 1014 0x5: Inst::PMULHW(Pq,Qq); 1015 0x7: movntq_Mq_Pq(); 1016 default: Inst::UD2(); 1017 } 1018 // repe (0xF3) 1019 0x4: decode OPCODE_OP_BOTTOM3 { 1020 0x6: Inst::CVTDQ2PD(Vo,Wq); 1021 default: Inst::UD2(); 1022 } 1023 // operand size (0x66) 1024 0x1: decode OPCODE_OP_BOTTOM3 { 1025 0x0: pavgb_Vo_Wo(); 1026 0x1: psraw_Vo_Wo(); 1027 0x2: psrad_Vo_Wo(); 1028 0x3: pavgw_Vo_Wo(); 1029 0x4: Inst::PMULHUW(Vo,Wo); 1030 0x5: Inst::PMULHW(Vo,Wo); 1031 0x6: cvttpd2dq_Vo_Wo(); 1032 0x7: movntdq_Mo_Vo(); 1033 } 1034 // repne (0xF2) 1035 0x8: decode OPCODE_OP_BOTTOM3 { 1036 0x6: cvtpd2dq_Vo_Wo(); 1037 default: Inst::UD2(); 1038 } 1039 default: Inst::UD2(); 1040 } 1041 format Inst { 1042 0x1D: decode LEGACY_DECODEVAL { 1043 // no prefix 1044 0x0: decode OPCODE_OP_BOTTOM3 { 1045 0x0: PSUBSB(Pq,Qq); 1046 0x1: PSUBSW(Pq,Qq); 1047 0x2: PMINSW(Pq,Qq); 1048 0x3: POR(Pq,Qq); 1049 0x4: PADDSB(Pq,Qq); 1050 0x5: PADDSW(Pq,Qq); 1051 0x6: PMAXSW(Pq,Qq); 1052 0x7: PXOR(Pq,Qq); 1053 } 1054 // operand size (0x66) 1055 0x1: decode OPCODE_OP_BOTTOM3 { 1056 0x0: PSUBSB(Vo,Wo); 1057 0x1: PSUBSW(Vo,Wo); 1058 0x2: PMINSW(Vo,Wo); 1059 0x3: POR(Vo,Wo); 1060 0x4: PADDSB(Vo,Wo); 1061 0x5: PADDSW(Vo,Wo); 1062 0x6: PMAXSW(Vo,Wo); 1063 0x7: PXOR(Vo,Wo); 1064 } 1065 default: UD2(); 1066 } 1067 } 1068 0x1E: decode LEGACY_DECODEVAL { 1069 // no prefix 1070 0x0: decode OPCODE_OP_BOTTOM3 { 1071 0x1: psllw_Pq_Qq(); 1072 0x2: pslld_Pq_Qq(); 1073 0x3: psllq_Pq_Qq(); 1074 0x4: Inst::PMULUDQ(Pq,Qq); 1075 0x5: pmaddwd_Pq_Qq(); 1076 0x6: psadbw_Pq_Qq(); 1077 0x7: maskmovq_Pq_PRq(); 1078 default: Inst::UD2(); 1079 } 1080 // operand size (0x66) 1081 0x1: decode OPCODE_OP_BOTTOM3 { 1082 0x1: psllw_Vo_Wo(); 1083 0x2: pslld_Vo_Wo(); 1084 0x3: psllq_Vo_Wo(); 1085 0x4: Inst::PMULUDQ(Vo,Wo); 1086 0x5: pmaddwd_Vo_Wo(); 1087 0x6: psadbw_Vo_Wo(); 1088 0x7: maskmovdqu_Vo_VRo(); 1089 default: Inst::UD2(); 1090 } 1091 // repne (0xF2) 1092 0x8: decode OPCODE_OP_BOTTOM3 { 1093 0x0: lddqu_Vo_Mo(); 1094 default: Inst::UD2(); 1095 } 1096 default: Inst::UD2(); 1097 } 1098 format Inst { 1099 0x1F: decode LEGACY_DECODEVAL { 1100 // no prefix 1101 0x0: decode OPCODE_OP_BOTTOM3 { 1102 0x0: PSUBB(Pq,Qq); 1103 0x1: PSUBW(Pq,Qq); 1104 0x2: PSUBD(Pq,Qq); 1105 0x3: PSUBQ(Pq,Qq); 1106 0x4: PADDB(Pq,Qq); 1107 0x5: PADDW(Pq,Qq); 1108 0x6: PADDD(Pq,Qq); 1109 0x7: UD2(); 1110 } 1111 // operand size (0x66) 1112 0x1: decode OPCODE_OP_BOTTOM3 { 1113 0x0: PSUBB(Vo,Wo); 1114 0x1: PSUBW(Vo,Wo); 1115 0x2: PSUBD(Vo,Wo); 1116 0x3: PSUBQ(Vo,Wo); 1117 0x4: PADDB(Vo,Wo); 1118 0x5: PADDW(Vo,Wo); 1119 0x6: PADDD(Vo,Wo); 1120 0x7: UD2(); 1121 } 1122 default: UD2(); 1123 } 1124 } 1125 default: FailUnimpl::twoByteOps(); 1126 } 1127 } 1128 default: M5InternalError::error( 1129 {{"Unexpected first opcode byte in two byte opcode!"}}); 1130} 1131