two_byte_opcodes.isa revision 5923:9a024981aa60
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: lldt_Mw_or_Rv(); 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: smsw_Rv(); 129 0x6: 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: smsw_Mw(); 159 0x6: 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: 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 0x02: decode LEGACY_DECODEVAL { 289 // no prefix 290 0x0: decode OPCODE_OP_BOTTOM3 { 291 0x0: movups_Vo_Wo(); 292 0x1: movups_Wo_Vo(); 293 0x2: decode MODRM_MOD { 294 0x3: movhlps_Vq_VRq(); 295 default: movlps_Vq_Mq(); 296 } 297 0x3: movlps_Mq_Vq(); 298 0x4: unpcklps(); 299 0x5: unpckhps(); 300 0x6: decode MODRM_MOD { 301 0x3: movlhps_Vq_VRq(); 302 default: movhps_Vq_Mq(); 303 } 304 0x7: movhps_Mq_Vq(); 305 } 306 // repe (0xF3) 307 0x4: decode OPCODE_OP_BOTTOM3 { 308 0x0: movss_Vd_Wd(); 309 0x1: movss_Wd_Vd(); 310 0x2: movsldup_Vo_Wo(); 311 0x6: movshdup_Vo_Wo(); 312 default: Inst::UD2(); 313 } 314 // operand size (0x66) 315 0x1: decode OPCODE_OP_BOTTOM3 { 316 0x0: movupd_Vo_Wo(); 317 0x1: movupd_Wo_Vo(); 318 0x2: Inst::MOVLPD(Vq,Mq); 319 0x3: Inst::MOVLPD(Mq,Vq); 320 0x4: unpcklpd_Vo_Wq(); 321 0x5: unpckhpd_Vo_Wo(); 322 0x6: movhpd_Vq_Mq(); 323 0x7: movhpd_Mq_Vq(); 324 } 325 // repne (0xF2) 326 0x8: decode OPCODE_OP_BOTTOM3 { 327 0x0: Inst::MOVSD(Vq,Wq); 328 0x1: Inst::MOVSD(Wq,Vq); 329 0x2: movddup_Vo_Wq(); 330 default: Inst::UD2(); 331 } 332 default: Inst::UD2(); 333 } 334 0x03: decode OPCODE_OP_BOTTOM3 { 335 //group17(); 336 0x0: decode MODRM_REG { 337 0x0: prefetch_nta(); 338 0x1: Inst::PREFETCH_T0(Mb); 339 0x2: prefetch_t1(); 340 0x3: prefetch_t2(); 341 default: Inst::HINT_NOP(); 342 } 343 0x1: Inst::HINT_NOP(); 344 0x2: Inst::HINT_NOP(); 345 0x3: Inst::HINT_NOP(); 346 0x4: Inst::HINT_NOP(); 347 0x5: Inst::HINT_NOP(); 348 0x6: Inst::HINT_NOP(); 349 0x7: Inst::HINT_NOP(); 350 } 351 0x04: decode LEGACY_DECODEVAL { 352 // no prefix 353 0x0: decode OPCODE_OP_BOTTOM3 { 354 0x0: Inst::MOV(Rd,Cd); 355 0x1: mov_Rd_Dd(); 356 0x2: Inst::MOV(Cd,Rd); 357 0x3: mov_Dd_Rd(); 358 0x4: mov_Rd_Td(); 359 0x6: mov_Td_Rd(); 360 default: Inst::UD2(); 361 } 362 // lock prefix (0xF0) 363 0x2: decode OPCODE_OP_BOTTOM3 { 364 0x0: mov_Rd_CR8D(); 365 0x2: mov_CR8D_Rd(); 366 } 367 default: Inst::UD2(); 368 } 369 0x05: decode LEGACY_DECODEVAL { 370 // no prefix 371 0x0: decode OPCODE_OP_BOTTOM3 { 372 //These moves should really use size o (octword), but 373 //because they are split in two, they use q (quadword). 374 0x0: Inst::MOVAPS(Vq,Wq); 375 0x1: Inst::MOVAPS(Wq,Vq); 376 0x2: decode MODRM_MOD { 377 0x3: cvtpi2pS_Vq_Pq(); 378 default: cvtpi2ps_Vq_Mq(); 379 } 380 0x3: movntps_Mo_Vo(); 381 0x4: cvttps2pi_Pq_Wq(); 382 0x5: cvtpS2pi_Pq_Wq(); 383 0x6: ucomiss_Vd_Wd(); 384 0x7: comiss_Vd_Wd(); 385 } 386 // repe (0xF3) 387 0x4: decode OPCODE_OP_BOTTOM3 { 388 0x2: cvtsi2ss_Vd_Ed(); 389 0x4: cvttss2si_Gd_Wd(); 390 0x5: cvtss2si_Gd_Wd(); 391 default: Inst::UD2(); 392 } 393 // operand size (0x66) 394 0x1: decode OPCODE_OP_BOTTOM3 { 395 0x0: movapd_Vo_Wo(); 396 0x1: movapd_Wo_Vo(); 397 0x2: decode MODRM_MOD { 398 0x3: cvtpi2pd_Vo_Pq(); 399 default: cvtpi2pd_Vo_Mq(); 400 } 401 0x3: movntpd_Mo_Vo(); 402 0x4: cvttpd2pi_Pq_Wo(); 403 0x5: cvtpd2pi_Pq_Wo(); 404 0x6: Inst::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: Inst::CVTSI2SD(Vdp,Edp); 411 // The size of the W operand should be q, not dp 412 0x4: Inst::CVTTSD2SI(Gdp,Wdp); 413 0x5: cvtsd2si_Gd_Wq(); 414 default: Inst::UD2(); 415 } 416 default: Inst::UD2(); 417 } 418 0x06: decode OPCODE_OP_BOTTOM3 { 419 0x0: Inst::WRMSR(); 420 0x1: Inst::RDTSC(); 421 0x2: Inst::RDMSR(); 422 0x3: rdpmc(); 423 0x4: sysenter(); 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 } 460 0x0A: decode LEGACY_DECODEVAL { 461 // no prefix 462 0x0: decode OPCODE_OP_BOTTOM3 { 463 0x0: movmskps_Gd_VRo(); 464 0x1: sqrtps_Vo_Wo(); 465 0x2: rqsrtps_Vo_Wo(); 466 0x3: rcpps_Vo_Wo(); 467 0x4: andps_Vo_Wo(); 468 0x5: andnps_Vo_Wo(); 469 0x6: orps_Vo_Wo(); 470 0x7: xorps_Vo_Wo(); 471 } 472 // repe (0xF3) 473 0x4: decode OPCODE_OP_BOTTOM3 { 474 0x1: sqrtss_Vd_Wd(); 475 0x2: rsqrtss_Vd_Wd(); 476 0x3: rcpss_Vd_Wd(); 477 default: Inst::UD2(); 478 } 479 // operand size (0x66) 480 0x1: decode OPCODE_OP_BOTTOM3 { 481 0x0: movmskpd_Gd_VRo(); 482 0x1: sqrtpd_Vo_Wo(); 483 0x4: andpd_Vo_Wo(); 484 0x5: andnpd_Vo_Wo(); 485 0x6: orpd_Vo_Wo(); 486 //This really should be type o, but it works on q sized 487 //chunks at a time. 488 0x7: Inst::XORPD(Vq,Wq); 489 default: Inst::UD2(); 490 } 491 format Inst { 492 // repne (0xF2) 493 0x8: decode OPCODE_OP_BOTTOM3 { 494 0x1: SQRTSD(Vq,Wq); 495 default: UD2(); 496 } 497 default: UD2(); 498 } 499 } 500 0x0B: decode LEGACY_DECODEVAL { 501 // no prefix 502 0x0: decode OPCODE_OP_BOTTOM3 { 503 0x0: addps_Vo_Wo(); 504 0x1: mulps_Vo_Wo(); 505 0x2: cvtps2pd_Vo_Wq(); 506 0x3: cvtdq2ps_Vo_Wo(); 507 0x4: subps_Vo_Wo(); 508 0x5: minps_Vo_Wo(); 509 0x6: divps_Vo_Wo(); 510 0x7: maxps_Vo_Wo(); 511 } 512 // repe (0xF3) 513 0x4: decode OPCODE_OP_BOTTOM3 { 514 0x0: addss_Vd_Wd(); 515 0x1: mulss_Vd_Wd(); 516 0x2: cvtss2sd_Vq_Wd(); 517 0x3: cvttps2dq_Vo_Wo(); 518 0x4: subss_Vd_Wd(); 519 0x5: minss_Vd_Wd(); 520 0x6: divss_Vd_Wd(); 521 0x7: maxss_Vd_Wd(); 522 } 523 // operand size (0x66) 524 0x1: decode OPCODE_OP_BOTTOM3 { 525 0x0: addpd_Vo_Wo(); 526 0x1: mulpd_Vo_Wo(); 527 0x2: cvtpd2ps_Vo_Wo(); 528 0x3: cvtps2dq_Vo_Wo(); 529 0x4: subpd_Vo_Wo(); 530 0x5: minpd_Vo_Wo(); 531 0x6: divpd_Vo_Wo(); 532 0x7: maxpd_Vo_Wo(); 533 } 534 // repne (0xF2) 535 0x8: decode OPCODE_OP_BOTTOM3 { 536 0x0: Inst::ADDSD(Vq,Wq); 537 0x1: Inst::MULSD(Vq,Wq); 538 0x2: cvtsd2ss_Vd_Wq(); 539 0x4: Inst::SUBSD(Vq,Wq); 540 0x5: minsd_Vq_Wq(); 541 0x6: Inst::DIVSD(Vq,Wq); 542 0x7: maxsd_Vq_Wq(); 543 default: Inst::UD2(); 544 } 545 default: Inst::UD2(); 546 } 547 0x0C: decode LEGACY_DECODEVAL { 548 // no prefix 549 0x0: decode OPCODE_OP_BOTTOM3 { 550 0x0: punpcklbw_Pq_Qd(); 551 0x1: punpcklwd_Pq_Qd(); 552 0x2: punpckldq_Pq_Qd(); 553 0x3: packsswb_Pq_Qq(); 554 0x4: pcmpgtb_Pq_Qq(); 555 0x5: pcmpgtw_Pq_Qq(); 556 0x6: pcmpgtd_Pq_Qq(); 557 0x7: packuswb_Pq_Qq(); 558 } 559 // operand size (0x66) 560 0x1: decode OPCODE_OP_BOTTOM3 { 561 0x0: punpcklbw_Vo_Wq(); 562 0x1: punpcklwd_Vo_Wq(); 563 0x2: punpckldq_Vo_Wq(); 564 0x3: packsswb_Vo_Wo(); 565 0x4: pcmpgtb_Vo_Wo(); 566 0x5: pcmpgtw_Vo_Wo(); 567 0x6: pcmpgtd_Vo_Wo(); 568 0x7: packuswb_Vo_Wo(); 569 } 570 default: Inst::UD2(); 571 } 572 0x0D: decode LEGACY_DECODEVAL { 573 // no prefix 574 0x0: decode OPCODE_OP_BOTTOM3 { 575 0x0: punpckhbw_Pq_Qq(); 576 0x1: punpckhwd_Pq_Qq(); 577 0x2: punpckhdq_Pq_Qq(); 578 0x3: packssdw_Pq_Qq(); 579 0x6: movd_Pq_Ed(); 580 0x7: movq_Pq_Qq(); 581 default: Inst::UD2(); 582 } 583 // repe (0xF3) 584 0x4: decode OPCODE_OP_BOTTOM3 { 585 0x7: movdqu_Vo_Wo(); 586 default: Inst::UD2(); 587 } 588 // operand size (0x66) 589 0x1: decode OPCODE_OP_BOTTOM3 { 590 0x0: punpckhbw_Vo_Wo(); 591 0x1: punpckhwd_Vo_Wo(); 592 0x2: punpckhdq_Vo_Wo(); 593 0x3: packssdw_Vo_Wo(); 594 0x4: punpcklqdq_Vo_Wq(); 595 0x5: punpcklqdq_Vo_Wq(); 596 0x6: movd_Vo_Ed(); 597 0x7: movdqa_Vo_Wo(); 598 } 599 default: Inst::UD2(); 600 } 601 0x0E: decode LEGACY_DECODEVAL { 602 // no prefix 603 0x0: decode OPCODE_OP_BOTTOM3 { 604 0x0: pshufw_Pq_Qq_Ib(); 605 //0x1: group13_pshimw(); 606 0x1: decode MODRM_REG { 607 0x2: decode LEGACY_OP { 608 0x0: psrlw_PRq_Ib(); 609 0x1: psrlw_VRo_Ib(); 610 } 611 0x4: decode LEGACY_OP { 612 0x0: psraw_PRq_Ib(); 613 0x1: psraw_VRo_Ib(); 614 } 615 0x6: decode LEGACY_OP { 616 0x0: psllw_PRq_Ib(); 617 0x1: psllw_VRo_Ib(); 618 } 619 default: Inst::UD2(); 620 } 621 //0x2: group14_pshimd(); 622 0x2: decode MODRM_REG { 623 0x2: decode LEGACY_OP { 624 0x0: psrld_PRq_Ib(); 625 0x1: psrld_VRo_Ib(); 626 } 627 0x4: decode LEGACY_OP { 628 0x0: psrad_PRq_Ib(); 629 0x1: psrad_VRo_Ib(); 630 } 631 0x6: decode LEGACY_OP { 632 0x0: pslld_PRq_Ib(); 633 0x1: pslld_VRo_Ib(); 634 } 635 default: Inst::UD2(); 636 } 637 //0x3: group15_pshimq(); 638 0x3: decode MODRM_REG { 639 0x2: decode LEGACY_OP { 640 0x0: psrlq_PRq_Ib(); 641 0x1: psrlq_VRo_Ib(); 642 } 643 0x3: decode LEGACY_OP { 644 0x0: Inst::UD2(); 645 0x1: psrldq_VRo_Ib(); 646 } 647 0x6: decode LEGACY_OP { 648 0x0: psllq_PRq_Ib(); 649 0x1: psllq_VRo_Ib(); 650 } 651 0x7: decode LEGACY_OP { 652 0x0: Inst::UD2(); 653 0x1: pslldq_VRo_Ib(); 654 } 655 default: Inst::UD2(); 656 } 657 0x4: pcmpeqb_Pq_Qq(); 658 0x5: pcmpeqw_Pq_Qq(); 659 0x6: pcmpeqd_Pq_Qq(); 660 0x7: emms(); 661 } 662 // repe (0xF3) 663 0x4: decode OPCODE_OP_BOTTOM3 { 664 0x0: pshufhw_Vo_Wo_Ib(); 665 default: Inst::UD2(); 666 } 667 // operand size (0x66) 668 0x1: decode OPCODE_OP_BOTTOM3 { 669 0x0: pshufd_Vo_Wo_Ib(); 670 //0x1: group13_pshimw(); 671 0x1: decode MODRM_REG { 672 0x2: decode LEGACY_OP { 673 0x0: psrlw_PRq_Ib(); 674 0x1: psrlw_VRo_Ib(); 675 } 676 0x4: decode LEGACY_OP { 677 0x0: psraw_PRq_Ib(); 678 0x1: psraw_VRo_Ib(); 679 } 680 0x6: decode LEGACY_OP { 681 0x0: psllw_PRq_Ib(); 682 0x1: psllw_VRo_Ib(); 683 } 684 default: Inst::UD2(); 685 } 686 //0x2: group14_pshimd(); 687 0x2: decode MODRM_REG { 688 0x2: decode LEGACY_OP { 689 0x0: psrld_PRq_Ib(); 690 0x1: psrld_VRo_Ib(); 691 } 692 0x4: decode LEGACY_OP { 693 0x0: psrad_PRq_Ib(); 694 0x1: psrad_VRo_Ib(); 695 } 696 0x6: decode LEGACY_OP { 697 0x0: pslld_PRq_Ib(); 698 0x1: pslld_VRo_Ib(); 699 } 700 default: Inst::UD2(); 701 } 702 //0x3: group15_pshimq(); 703 0x3: decode MODRM_REG { 704 0x2: decode LEGACY_OP { 705 0x0: psrlq_PRq_Ib(); 706 0x1: psrlq_VRo_Ib(); 707 } 708 0x3: decode LEGACY_OP { 709 0x0: Inst::UD2(); 710 0x1: psrldq_VRo_Ib(); 711 } 712 0x6: decode LEGACY_OP { 713 0x0: psllq_PRq_Ib(); 714 0x1: psllq_VRo_Ib(); 715 } 716 0x7: decode LEGACY_OP { 717 0x0: Inst::UD2(); 718 0x1: pslldq_VRo_Ib(); 719 } 720 default: Inst::UD2(); 721 } 722 0x4: pcmpeqb_Vo_Wo(); 723 0x5: pcmpeqw_Vo_Wo(); 724 0x6: pcmpeqd_Vo_Wo(); 725 default: Inst::UD2(); 726 } 727 // repne (0xF2) 728 0x8: decode OPCODE_OP_BOTTOM3 { 729 0x0: pshuflw_Vo_Wo_Ib(); 730 default: Inst::UD2(); 731 } 732 default: Inst::UD2(); 733 } 734 0x0F: decode LEGACY_DECODEVAL { 735 // no prefix 736 0x0: decode OPCODE_OP_BOTTOM3 { 737 0x0: vmread_Ed_or_Eq_Gd_or_Gq(); 738 0x1: vmwrite_Gd_or_Gq_Ed_or_Eq(); 739 0x6: mov_Ed_Pd(); 740 0x7: mov_Qq_Pq(); 741 default: Inst::UD2(); 742 } 743 // repe (0xF3) 744 0x4: decode OPCODE_OP_BOTTOM3 { 745 0x6: movq_Vo_Mq_or_Vq_Vq(); 746 0x7: movdqu_Wo_Vo(); 747 default: Inst::UD2(); 748 } 749 // operand size (0x66) 750 0x1: decode OPCODE_OP_BOTTOM3 { 751 0x4: haddpd_Vo_Wo(); 752 0x5: hsubpd_Vo_Wo(); 753 0x6: movd_Ed_Vd(); 754 0x7: movdqa_Wo_Vo(); 755 default: Inst::UD2(); 756 } 757 // repne (0xF2) 758 0x8: decode OPCODE_OP_BOTTOM3 { 759 0x4: haddps_Vo_Wo(); 760 0x5: hsubps_Vo_Wo(); 761 default: Inst::UD2(); 762 } 763 default: Inst::UD2(); 764 } 765 format Inst { 766 0x10: decode OPCODE_OP_BOTTOM3 { 767 0x0: JO(Jz); 768 0x1: JNO(Jz); 769 0x2: JB(Jz); 770 0x3: JNB(Jz); 771 0x4: JZ(Jz); 772 0x5: JNZ(Jz); 773 0x6: JBE(Jz); 774 0x7: JNBE(Jz); 775 } 776 0x11: decode OPCODE_OP_BOTTOM3 { 777 0x0: JS(Jz); 778 0x1: JNS(Jz); 779 0x2: JP(Jz); 780 0x3: JNP(Jz); 781 0x4: JL(Jz); 782 0x5: JNL(Jz); 783 0x6: JLE(Jz); 784 0x7: JNLE(Jz); 785 } 786 0x12: decode OPCODE_OP_BOTTOM3 { 787 0x0: SETO(Eb); 788 0x1: SETNO(Eb); 789 0x2: SETB(Eb); 790 0x3: SETNB(Eb); 791 0x4: SETZ(Eb); 792 0x5: SETNZ(Eb); 793 0x6: SETBE(Eb); 794 0x7: SETNBE(Eb); 795 } 796 0x13: decode OPCODE_OP_BOTTOM3 { 797 0x0: SETS(Eb); 798 0x1: SETNS(Eb); 799 0x2: SETP(Eb); 800 0x3: SETNP(Eb); 801 0x4: SETL(Eb); 802 0x5: SETNL(Eb); 803 0x6: SETLE(Eb); 804 0x7: SETNLE(Eb); 805 } 806 } 807 0x14: decode OPCODE_OP_BOTTOM3 { 808 0x0: push_fs(); 809 0x1: pop_fs(); 810 0x2: CPUIDInst::CPUID({{ 811 CpuidResult result; 812 success = doCpuid(xc->tcBase(), Rax, result); 813 Rax = result.rax; 814 Rbx = result.rbx; 815 Rcx = result.rcx; 816 Rdx = result.rdx; 817 }}); 818 0x3: Inst::BT(Ev,Gv); 819 0x4: shld_Ev_Gv_Ib(); 820 0x5: shld_Ev_Gv_rCl(); 821 0x6: xbts_and_cmpxchg(); 822 0x7: ibts_and_cmpxchg(); 823 } 824 0x15: decode OPCODE_OP_BOTTOM3 { 825 0x0: push_gs(); 826 0x1: pop_gs(); 827 0x2: rsm_smm(); 828 0x3: Inst::BTS(Ev,Gv); 829 0x4: shrd_Ev_Gv_Ib(); 830 0x5: shrd_Ev_Gv_rCl(); 831 //0x6: group16(); 832 0x6: decode MODRM_MOD { 833 0x3: decode MODRM_REG { 834 0x5: BasicOperate::LFENCE( 835 {{/*Nothing*/}}, IsReadBarrier); 836 0x6: BasicOperate::MFENCE( 837 {{/*Nothing*/}}, IsMemBarrier); 838 0x7: BasicOperate::SFENCE( 839 {{/*Nothing*/}}, IsWriteBarrier); 840 default: Inst::UD2(); 841 } 842 default: decode MODRM_REG { 843 0x0: fxsave(); 844 0x1: fxrstor(); 845 0x7: clflush(); 846 default: Inst::UD2(); 847 } 848 } 849 0x7: Inst::IMUL(Gv,Ev); 850 } 851 0x16: decode OPCODE_OP_BOTTOM3 { 852 0x0: Inst::CMPXCHG(Eb,Gb); 853 0x1: Inst::CMPXCHG(Ev,Gv); 854 0x2: lss_Gz_Mp(); 855 0x3: Inst::BTR(Ev,Gv); 856 0x4: lfs_Gz_Mp(); 857 0x5: lgs_Gz_Mp(); 858 //The size of the second operand in these instructions should 859 //really be "b" or "w", but it's set to v in order to have a 860 //consistent register size. This shouldn't affect behavior. 861 0x6: Inst::MOVZX_B(Gv,Ev); 862 0x7: Inst::MOVZX_W(Gv,Ev); 863 } 864 0x17: decode OPCODE_OP_BOTTOM3 { 865 0x0: jmpe_Jz(); // IA-64? 866 format Inst { 867 //0x1: group11_UD2(); 868 0x1: UD2(); 869 //0x2: group8_Ev_Ib(); 870 0x2: decode MODRM_REG { 871 0x4: BT(Ev,Ib); 872 0x5: BTS(Ev,Ib); 873 0x6: BTR(Ev,Ib); 874 0x7: BTC(Ev,Ib); 875 default: UD2(); 876 } 877 0x3: BTC(Ev,Gv); 878 } 879 0x4: Inst::BSF(Gv,Ev); 880 0x5: Inst::BSR(Gv,Ev); 881 //The size of the second operand in these instructions should 882 //really be "b" or "w", but it's set to v in order to have a 883 //consistent register size. This shouldn't affect behavior. 884 0x6: Inst::MOVSX_B(Gv,Ev); 885 0x7: Inst::MOVSX_W(Gv,Ev); 886 } 887 0x18: decode OPCODE_OP_BOTTOM3 { 888 0x0: Inst::XADD(Eb,Gb); 889 0x1: Inst::XADD(Ev,Gv); 890 //0x7: group9(); 891 0x7: decode MODRM_REG { 892 0x1: cmpxchg_Mq(); 893 0x6: decode LEGACY_OP { 894 0x1: vmclear_Mq(); 895 default: decode LEGACY_REP { 896 0x1: vmxon_Mq(); 897 0x0: vmptrld_Mq(); 898 } 899 } 900 0x7: vmptrst_Mq(); 901 default: Inst::UD2(); 902 } 903 default: decode LEGACY_DECODEVAL { 904 // no prefix 905 0x0: decode OPCODE_OP_BOTTOM3 { 906 0x2: cmpccps_Vo_Wo_Ib(); 907 0x3: cvtdq2ps_Vo_Wo(); 908 0x4: subps_Vo_Wo(); 909 0x5: minps_Vo_Wo(); 910 0x6: divps_Vo_Wo(); 911 } 912 // repe (0xF3) 913 0x4: decode OPCODE_OP_BOTTOM3 { 914 0x2: cmpccss_Vd_Wd_Ib(); 915 default: Inst::UD2(); 916 } 917 // operand size (0x66) 918 0x1: decode OPCODE_OP_BOTTOM3 { 919 0x2: cmpccpd_Vo_Wo_Ib(); 920 0x4: subpd_Vo_Wo(); 921 0x5: minpd_Vo_Wo(); 922 0x6: divpd_Vo_Wo(); 923 default: Inst::UD2(); 924 } 925 // repne (0xF2) 926 0x8: decode OPCODE_OP_BOTTOM3 { 927 0x2: cmpccsd_Vq_Wq_Ib(); 928 default: Inst::UD2(); 929 } 930 default: Inst::UD2(); 931 } 932 } 933 0x19: decode OPSIZE { 934 4: Inst::BSWAP_D(Bd); 935 8: Inst::BSWAP_Q(Bq); 936 default: Inst::UD2(); 937 } 938 0x1A: decode LEGACY_DECODEVAL { 939 // no prefix 940 0x0: decode OPCODE_OP_BOTTOM3 { 941 0x1: psrlw_Pq_Qq(); 942 0x2: psrld_Pq_Qq(); 943 0x3: psrlq_Pq_Qq(); 944 0x4: paddq_Pq_Qq(); 945 0x5: pmullw_Pq_Qq(); 946 0x7: pmovmskb_Gd_PRq(); 947 default: Inst::UD2(); 948 } 949 // repe (0xF3) 950 0x4: decode OPCODE_OP_BOTTOM3 { 951 0x6: movq2dq_Vo_PRq(); 952 default: Inst::UD2(); 953 } 954 // operand size (0x66) 955 0x1: decode OPCODE_OP_BOTTOM3 { 956 0x0: addsubpd_Vo_Wo(); 957 0x1: psrlw_Vo_Wo(); 958 0x2: psrld_Vo_Wo(); 959 0x3: psrlq_Vo_Wo(); 960 0x4: paddq_Vo_Wo(); 961 0x5: pmullw_Vo_Wo(); 962 0x6: decode MODRM_MOD { 963 0x3: movq_Vq_Vq(); 964 default: movq_Mq_Vq(); 965 } 966 0x7: pmovmskb_Gd_VRo(); 967 } 968 // repne (0xF2) 969 0x8: decode OPCODE_OP_BOTTOM3 { 970 0x0: addsubps_Vo_Wo(); 971 0x6: movdq2q_Pq_VRq(); 972 default: Inst::UD2(); 973 } 974 default: Inst::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: Inst::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: movntq_Mq_Pq(); 1011 default: Inst::UD2(); 1012 } 1013 // repe (0xF3) 1014 0x4: decode OPCODE_OP_BOTTOM3 { 1015 0x6: cvtdq2pd_Vo_Wq(); 1016 default: Inst::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: cvttpd2dq_Vo_Wo(); 1027 0x7: movntdq_Mo_Vo(); 1028 } 1029 // repne (0xF2) 1030 0x8: decode OPCODE_OP_BOTTOM3 { 1031 0x6: cvtpd2dq_Vo_Wo(); 1032 default: Inst::UD2(); 1033 } 1034 default: Inst::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: Inst::UD2(); 1060 } 1061 0x1E: decode OPCODE_OP_BOTTOM3 { 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: Inst::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: Inst::UD2(); 1083 } 1084 // repne (0xF2) 1085 0x8: decode OPCODE_OP_BOTTOM3 { 1086 0x0: lddqu_Vo_Mo(); 1087 default: Inst::UD2(); 1088 } 1089 default: Inst::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: Inst::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: Inst::UD2(); 1113 } 1114 default: Inst::UD2(); 1115 } 1116 default: FailUnimpl::twoByteOps(); 1117 } 1118 } 1119 default: M5InternalError::error( 1120 {{"Unexpected first opcode byte in two byte opcode!"}}); 1121} 1122