two_byte_opcodes.isa revision 5296:5caa774215cd
1// Copyright (c) 2007 The Hewlett-Packard Development Company 2// All rights reserved. 3// 4// Redistribution and use of this software in source and binary forms, 5// with or without modification, are permitted provided that the 6// following conditions are met: 7// 8// The software must be used only for Non-Commercial Use which means any 9// use which is NOT directed to receiving any direct monetary 10// compensation for, or commercial advantage from such use. Illustrative 11// examples of non-commercial use are academic research, personal study, 12// teaching, education and corporate research & development. 13// Illustrative examples of commercial use are distributing products for 14// commercial advantage and providing services using the software for 15// commercial advantage. 16// 17// If you wish to use this software or functionality therein that may be 18// covered by patents for commercial use, please contact: 19// Director of Intellectual Property Licensing 20// Office of Strategy and Technology 21// Hewlett-Packard Company 22// 1501 Page Mill Road 23// Palo Alto, California 94304 24// 25// Redistributions of source code must retain the above copyright notice, 26// this list of conditions and the following disclaimer. Redistributions 27// in binary form must reproduce the above copyright notice, this list of 28// conditions and the following disclaimer in the documentation and/or 29// other materials provided with the distribution. Neither the name of 30// the COPYRIGHT HOLDER(s), HEWLETT-PACKARD COMPANY, nor the names of its 31// contributors may be used to endorse or promote products derived from 32// this software without specific prior written permission. No right of 33// sublicense is granted herewith. Derivatives of the software and 34// output created using the software may be prepared, but only for 35// Non-Commercial Uses. Derivatives of the software may be shared with 36// others provided: (i) the others agree to abide by the list of 37// conditions herein which includes the Non-Commercial Use restrictions; 38// and (ii) such Derivatives of the software include the above copyright 39// notice to acknowledge the contribution from this software where 40// applicable, this list of conditions and the disclaimer below. 41// 42// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 43// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 44// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 45// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 46// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 47// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 48// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 49// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 50// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 51// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 52// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 53// 54// Authors: Gabe Black 55 56//////////////////////////////////////////////////////////////////// 57// 58// Decode the two byte opcodes 59// 600x2: decode OPCODE_PREFIXA { 61 0x0F: decode OPCODE_OP_TOP5 { 62 format WarnUnimpl { 63 0x00: decode OPCODE_OP_BOTTOM3 { 64 //0x00: group6(); 65 0x00: decode MODRM_REG { 66 0x0: sldt_Mw_or_Rv(); 67 0x1: str_Mw_or_Rv(); 68 0x2: lldt_Mw_or_Rv(); 69 0x3: ltr_Mw_or_Rv(); 70 0x4: verr_Mw_or_Rv(); 71 0x5: verw_Mw_or_Rv(); 72 //0x6: jmpe_Ev(); // IA-64 73 default: Inst::UD2(); 74 } 75 //0x01: group7(); // Ugly, ugly, ugly... 76 0x01: decode MODRM_MOD { 77 0x3: decode MODRM_REG { 78 0x0: decode MODRM_RM { 79 0x1: vmcall(); 80 0x2: vmlaunch(); 81 0x3: vmresume(); 82 0x4: vmxoff(); 83 default: Inst::UD2(); 84 } 85 0x1: decode MODRM_RM { 86 0x0: monitor(); 87 0x1: mwait(); 88 default: Inst::UD2(); 89 } 90 0x3: decode MODRM_RM { 91 0x0: vmrun(); 92 0x1: vmmcall(); 93 0x2: vmload(); 94 0x3: vmsave(); 95 0x4: stgi(); 96 0x5: clgi(); 97 0x6: skinit(); 98 0x7: invlpga(); 99 } 100 0x4: smsw_Rv(); 101 0x6: lmsw_Rv(); 102 0x7: decode MODRM_RM { 103 0x0: swapgs(); 104 0x1: rdtscp(); 105 default: Inst::UD2(); 106 } 107 default: Inst::UD2(); 108 } 109 default: decode MODRM_REG { 110 0x0: sgdt_Ms(); 111 0x1: sidt_Ms(); 112 0x2: decode MODE_SUBMODE { 113 0x0: Inst::LGDT(M); 114 default: decode OPSIZE { 115 // 16 bit operand sizes are special, but only 116 // in legacy and compatability modes. 117 0x2: Inst::LGDT_16(M); 118 default: Inst::LGDT(M); 119 } 120 } 121 0x3: decode MODE_SUBMODE { 122 0x0: Inst::LIDT(M); 123 default: decode OPSIZE { 124 // 16 bit operand sizes are special, but only 125 // in legacy and compatability modes. 126 0x2: Inst::LIDT_16(M); 127 default: Inst::LIDT(M); 128 } 129 } 130 0x4: smsw_Mw(); 131 0x6: lmsw_Mw(); 132 0x7: invlpg_M(); 133 default: Inst::UD2(); 134 } 135 } 136 0x02: lar_Gv_Ew(); 137 0x03: lsl_Gv_Ew(); 138 //sandpile.org doesn't seem to know what this is... ? 139 0x04: loadall_or_reset_or_hang(); 140#if FULL_SYSTEM 141 0x05: syscall(); 142#else 143 0x05: SyscallInst::syscall('xc->syscall(rax)', IsSyscall); 144#endif 145 0x06: clts(); 146 //sandpile.org says (AMD) after sysret, so I might want to check 147 //if that means amd64 or AMD machines 148 0x07: loadall_or_sysret(); 149 } 150 0x01: decode OPCODE_OP_BOTTOM3 { 151 0x0: invd(); 152 0x1: wbinvd(); 153 0x2: Inst::UD2(); 154 0x3: Inst::UD2(); 155 0x4: Inst::UD2(); 156 0x5: threednow(); 157 0x6: threednow(); 158 0x7: threednow(); 159 } 160 0x02: decode LEGACY_DECODEVAL { 161 // no prefix 162 0x0: decode OPCODE_OP_BOTTOM3 { 163 0x0: movups_Vo_Wo(); 164 0x1: movups_Wo_Vo(); 165 0x2: decode MODRM_MOD { 166 0x3: movhlps_Vq_VRq(); 167 default: movlps_Vq_Mq(); 168 } 169 0x3: movlps_Mq_Vq(); 170 0x4: unpcklps(); 171 0x5: unpckhps(); 172 0x6: decode MODRM_MOD { 173 0x3: movlhps_Vq_VRq(); 174 default: movhps_Vq_Mq(); 175 } 176 0x7: movhps_Mq_Vq(); 177 } 178 // repe (0xF3) 179 0x4: decode OPCODE_OP_BOTTOM3 { 180 0x0: movss_Vd_Wd(); 181 0x1: movss_Wd_Vd(); 182 0x2: movsldup_Vo_Wo(); 183 0x6: movshdup_Vo_Wo(); 184 default: Inst::UD2(); 185 } 186 // operand size (0x66) 187 0x1: decode OPCODE_OP_BOTTOM3 { 188 0x0: movupd_Vo_Wo(); 189 0x1: movupd_Wo_Vo(); 190 0x2: Inst::MOVLPD(Vq,Mq); 191 0x3: Inst::MOVLPD(Mq,Vq); 192 0x4: unpcklpd_Vo_Wq(); 193 0x5: unpckhpd_Vo_Wo(); 194 0x6: movhpd_Vq_Mq(); 195 0x7: movhpd_Mq_Vq(); 196 } 197 // repne (0xF2) 198 0x8: decode OPCODE_OP_BOTTOM3 { 199 0x0: Inst::MOVSD(Vq,Wq); 200 0x1: Inst::MOVSD(Wq,Vq); 201 0x2: movddup_Vo_Wq(); 202 default: Inst::UD2(); 203 } 204 default: Inst::UD2(); 205 } 206 0x03: decode OPCODE_OP_BOTTOM3 { 207 0x0: group17(); 208 0x1: group17(); 209 0x2: group17(); 210 0x3: group17(); 211 0x4: group17(); 212 0x5: group17(); 213 0x6: group17(); 214 0x7: group17(); 215 } 216 0x04: decode LEGACY_DECODEVAL { 217 // no prefix 218 0x0: decode OPCODE_OP_BOTTOM3 { 219 0x0: Inst::MOV(Rd,Cd); 220 0x1: mov_Rd_Dd(); 221 0x2: Inst::MOV(Cd,Rd); 222 0x3: mov_Dd_Rd(); 223 0x4: mov_Rd_Td(); 224 0x6: mov_Td_Rd(); 225 default: Inst::UD2(); 226 } 227 // lock prefix (0xF0) 228 0x2: decode OPCODE_OP_BOTTOM3 { 229 0x0: mov_Rd_CR8D(); 230 0x2: mov_CR8D_Rd(); 231 } 232 default: Inst::UD2(); 233 } 234 0x05: decode LEGACY_DECODEVAL { 235 // no prefix 236 0x0: decode OPCODE_OP_BOTTOM3 { 237 //These moves should really use size o (octword), but 238 //because they are split in two, they use q (quadword). 239 0x0: Inst::MOVAPS(Vq,Wq); 240 0x1: Inst::MOVAPS(Wq,Vq); 241 0x2: decode MODRM_MOD { 242 0x3: cvtpi2pS_Vq_Pq(); 243 default: cvtpi2ps_Vq_Mq(); 244 } 245 0x3: movntps_Mo_Vo(); 246 0x4: cvttps2pi_Pq_Wq(); 247 0x5: cvtpS2pi_Pq_Wq(); 248 0x6: ucomiss_Vd_Wd(); 249 0x7: comiss_Vd_Wd(); 250 } 251 // repe (0xF3) 252 0x4: decode OPCODE_OP_BOTTOM3 { 253 0x2: cvtsi2ss_Vd_Ed(); 254 0x4: cvttss2si_Gd_Wd(); 255 0x5: cvtss2si_Gd_Wd(); 256 default: Inst::UD2(); 257 } 258 // operand size (0x66) 259 0x1: decode OPCODE_OP_BOTTOM3 { 260 0x0: movapd_Vo_Wo(); 261 0x1: movapd_Wo_Vo(); 262 0x2: decode MODRM_MOD { 263 0x3: cvtpi2pd_Vo_Pq(); 264 default: cvtpi2pd_Vo_Mq(); 265 } 266 0x3: movntpd_Mo_Vo(); 267 0x4: cvttpd2pi_Pq_Wo(); 268 0x5: cvtpd2pi_Pq_Wo(); 269 0x6: Inst::UCOMISD(Vq,Wq); 270 0x7: comisd_Vq_Wq(); 271 } 272 // repne (0xF2) 273 0x8: decode OPCODE_OP_BOTTOM3 { 274 // The size of the V operand should be q, not dp 275 0x2: Inst::CVTSI2SD(Vdp,Edp); 276 // The size of the W operand should be q, not dp 277 0x4: Inst::CVTTSD2SI(Gdp,Wdp); 278 0x5: cvtsd2si_Gd_Wq(); 279 default: Inst::UD2(); 280 } 281 default: Inst::UD2(); 282 } 283 0x06: decode OPCODE_OP_BOTTOM3 { 284 0x0: Inst::WRMSR(); 285 0x1: rdtsc(); 286 0x2: Inst::RDMSR(); 287 0x3: rdpmc(); 288 0x4: sysenter(); 289 0x5: sysexit(); 290 0x6: Inst::UD2(); 291 0x7: getsec(); 292 } 293 0x07: decode OPCODE_OP_BOTTOM3 { 294 0x0: three_byte_opcode(); 295 0x1: three_byte_opcode(); 296 0x2: three_byte_opcode(); 297 0x3: three_byte_opcode(); 298 0x4: three_byte_opcode(); 299 0x5: three_byte_opcode(); 300 0x6: three_byte_opcode(); 301 0x7: three_byte_opcode(); 302 } 303 format Inst { 304 0x08: decode OPCODE_OP_BOTTOM3 { 305 0x0: CMOVO(Gv,Ev); 306 0x1: CMOVNO(Gv,Ev); 307 0x2: CMOVB(Gv,Ev); 308 0x3: CMOVNB(Gv,Ev); 309 0x4: CMOVZ(Gv,Ev); 310 0x5: CMOVNZ(Gv,Ev); 311 0x6: CMOVBE(Gv,Ev); 312 0x7: CMOVNBE(Gv,Ev); 313 } 314 0x09: decode OPCODE_OP_BOTTOM3 { 315 0x0: CMOVS(Gv,Ev); 316 0x1: CMOVNS(Gv,Ev); 317 0x2: CMOVP(Gv,Ev); 318 0x3: CMOVNP(Gv,Ev); 319 0x4: CMOVL(Gv,Ev); 320 0x5: CMOVNL(Gv,Ev); 321 0x6: CMOVLE(Gv,Ev); 322 0x7: CMOVNLE(Gv,Ev); 323 } 324 } 325 0x0A: decode LEGACY_DECODEVAL { 326 // no prefix 327 0x0: decode OPCODE_OP_BOTTOM3 { 328 0x0: movmskps_Gd_VRo(); 329 0x1: sqrtps_Vo_Wo(); 330 0x2: rqsrtps_Vo_Wo(); 331 0x3: rcpps_Vo_Wo(); 332 0x4: andps_Vo_Wo(); 333 0x5: andnps_Vo_Wo(); 334 0x6: orps_Vo_Wo(); 335 0x7: xorps_Vo_Wo(); 336 } 337 // repe (0xF3) 338 0x4: decode OPCODE_OP_BOTTOM3 { 339 0x1: sqrtss_Vd_Wd(); 340 0x2: rsqrtss_Vd_Wd(); 341 0x3: rcpss_Vd_Wd(); 342 default: Inst::UD2(); 343 } 344 // operand size (0x66) 345 0x1: decode OPCODE_OP_BOTTOM3 { 346 0x0: movmskpd_Gd_VRo(); 347 0x1: sqrtpd_Vo_Wo(); 348 0x4: andpd_Vo_Wo(); 349 0x5: andnpd_Vo_Wo(); 350 0x6: orpd_Vo_Wo(); 351 //This really should be type o, but it works on q sized 352 //chunks at a time. 353 0x7: Inst::XORPD(Vq,Wq); 354 default: Inst::UD2(); 355 } 356 format Inst { 357 // repne (0xF2) 358 0x8: decode OPCODE_OP_BOTTOM3 { 359 0x1: SQRTSD(Vq,Wq); 360 default: UD2(); 361 } 362 default: UD2(); 363 } 364 } 365 0x0B: decode LEGACY_DECODEVAL { 366 // no prefix 367 0x0: decode OPCODE_OP_BOTTOM3 { 368 0x0: addps_Vo_Wo(); 369 0x1: mulps_Vo_Wo(); 370 0x2: cvtps2pd_Vo_Wq(); 371 0x3: cvtdq2ps_Vo_Wo(); 372 0x4: subps_Vo_Wo(); 373 0x5: minps_Vo_Wo(); 374 0x6: divps_Vo_Wo(); 375 0x7: maxps_Vo_Wo(); 376 } 377 // repe (0xF3) 378 0x4: decode OPCODE_OP_BOTTOM3 { 379 0x0: addss_Vd_Wd(); 380 0x1: mulss_Vd_Wd(); 381 0x2: cvtss2sd_Vq_Wd(); 382 0x3: cvttps2dq_Vo_Wo(); 383 0x4: subss_Vd_Wd(); 384 0x5: minss_Vd_Wd(); 385 0x6: divss_Vd_Wd(); 386 0x7: maxss_Vd_Wd(); 387 } 388 // operand size (0x66) 389 0x1: decode OPCODE_OP_BOTTOM3 { 390 0x0: addpd_Vo_Wo(); 391 0x1: mulpd_Vo_Wo(); 392 0x2: cvtpd2ps_Vo_Wo(); 393 0x3: cvtps2dq_Vo_Wo(); 394 0x4: subpd_Vo_Wo(); 395 0x5: minpd_Vo_Wo(); 396 0x6: divpd_Vo_Wo(); 397 0x7: maxpd_Vo_Wo(); 398 } 399 // repne (0xF2) 400 0x8: decode OPCODE_OP_BOTTOM3 { 401 0x0: Inst::ADDSD(Vq,Wq); 402 0x1: Inst::MULSD(Vq,Wq); 403 0x2: cvtsd2ss_Vd_Wq(); 404 0x4: Inst::SUBSD(Vq,Wq); 405 0x5: minsd_Vq_Wq(); 406 0x6: Inst::DIVSD(Vq,Wq); 407 0x7: maxsd_Vq_Wq(); 408 default: Inst::UD2(); 409 } 410 default: Inst::UD2(); 411 } 412 0x0C: decode LEGACY_DECODEVAL { 413 // no prefix 414 0x0: decode OPCODE_OP_BOTTOM3 { 415 0x0: punpcklbw_Pq_Qd(); 416 0x1: punpcklwd_Pq_Qd(); 417 0x2: punpckldq_Pq_Qd(); 418 0x3: packsswb_Pq_Qq(); 419 0x4: pcmpgtb_Pq_Qq(); 420 0x5: pcmpgtw_Pq_Qq(); 421 0x6: pcmpgtd_Pq_Qq(); 422 0x7: packuswb_Pq_Qq(); 423 } 424 // operand size (0x66) 425 0x1: decode OPCODE_OP_BOTTOM3 { 426 0x0: punpcklbw_Vo_Wq(); 427 0x1: punpcklwd_Vo_Wq(); 428 0x2: punpckldq_Vo_Wq(); 429 0x3: packsswb_Vo_Wo(); 430 0x4: pcmpgtb_Vo_Wo(); 431 0x5: pcmpgtw_Vo_Wo(); 432 0x6: pcmpgtd_Vo_Wo(); 433 0x7: packuswb_Vo_Wo(); 434 } 435 default: Inst::UD2(); 436 } 437 0x0D: decode LEGACY_DECODEVAL { 438 // no prefix 439 0x0: decode OPCODE_OP_BOTTOM3 { 440 0x0: punpckhbw_Pq_Qq(); 441 0x1: punpckhwd_Pq_Qq(); 442 0x2: punpckhdq_Pq_Qq(); 443 0x3: packssdw_Pq_Qq(); 444 0x6: movd_Pq_Ed(); 445 0x7: movq_Pq_Qq(); 446 default: Inst::UD2(); 447 } 448 // repe (0xF3) 449 0x4: decode OPCODE_OP_BOTTOM3 { 450 0x7: movdqu_Vo_Wo(); 451 default: Inst::UD2(); 452 } 453 // operand size (0x66) 454 0x1: decode OPCODE_OP_BOTTOM3 { 455 0x0: punpckhbw_Vo_Wo(); 456 0x1: punpckhwd_Vo_Wo(); 457 0x2: punpckhdq_Vo_Wo(); 458 0x3: packssdw_Vo_Wo(); 459 0x4: punpcklqdq_Vo_Wq(); 460 0x5: punpcklqdq_Vo_Wq(); 461 0x6: movd_Vo_Ed(); 462 0x7: movdqa_Vo_Wo(); 463 } 464 default: Inst::UD2(); 465 } 466 0x0E: decode LEGACY_DECODEVAL { 467 // no prefix 468 0x0: decode OPCODE_OP_BOTTOM3 { 469 0x0: pshufw_Pq_Qq_Ib(); 470 //0x1: group13_pshimw(); 471 0x1: decode MODRM_REG { 472 0x2: decode LEGACY_OP { 473 0x0: psrlw_PRq_Ib(); 474 0x1: psrlw_VRo_Ib(); 475 } 476 0x4: decode LEGACY_OP { 477 0x0: psraw_PRq_Ib(); 478 0x1: psraw_VRo_Ib(); 479 } 480 0x6: decode LEGACY_OP { 481 0x0: psllw_PRq_Ib(); 482 0x1: psllw_VRo_Ib(); 483 } 484 default: Inst::UD2(); 485 } 486 //0x2: group14_pshimd(); 487 0x2: decode MODRM_REG { 488 0x2: decode LEGACY_OP { 489 0x0: psrld_PRq_Ib(); 490 0x1: psrld_VRo_Ib(); 491 } 492 0x4: decode LEGACY_OP { 493 0x0: psrad_PRq_Ib(); 494 0x1: psrad_VRo_Ib(); 495 } 496 0x6: decode LEGACY_OP { 497 0x0: pslld_PRq_Ib(); 498 0x1: pslld_VRo_Ib(); 499 } 500 default: Inst::UD2(); 501 } 502 //0x3: group15_pshimq(); 503 0x3: decode MODRM_REG { 504 0x2: decode LEGACY_OP { 505 0x0: psrlq_PRq_Ib(); 506 0x1: psrlq_VRo_Ib(); 507 } 508 0x3: decode LEGACY_OP { 509 0x0: Inst::UD2(); 510 0x1: psrldq_VRo_Ib(); 511 } 512 0x6: decode LEGACY_OP { 513 0x0: psllq_PRq_Ib(); 514 0x1: psllq_VRo_Ib(); 515 } 516 0x7: decode LEGACY_OP { 517 0x0: Inst::UD2(); 518 0x1: pslldq_VRo_Ib(); 519 } 520 default: Inst::UD2(); 521 } 522 0x4: pcmpeqb_Pq_Qq(); 523 0x5: pcmpeqw_Pq_Qq(); 524 0x6: pcmpeqd_Pq_Qq(); 525 0x7: emms(); 526 } 527 // repe (0xF3) 528 0x4: decode OPCODE_OP_BOTTOM3 { 529 0x0: pshufhw_Vo_Wo_Ib(); 530 default: Inst::UD2(); 531 } 532 // operand size (0x66) 533 0x1: decode OPCODE_OP_BOTTOM3 { 534 0x0: pshufd_Vo_Wo_Ib(); 535 //0x1: group13_pshimw(); 536 0x1: decode MODRM_REG { 537 0x2: decode LEGACY_OP { 538 0x0: psrlw_PRq_Ib(); 539 0x1: psrlw_VRo_Ib(); 540 } 541 0x4: decode LEGACY_OP { 542 0x0: psraw_PRq_Ib(); 543 0x1: psraw_VRo_Ib(); 544 } 545 0x6: decode LEGACY_OP { 546 0x0: psllw_PRq_Ib(); 547 0x1: psllw_VRo_Ib(); 548 } 549 default: Inst::UD2(); 550 } 551 //0x2: group14_pshimd(); 552 0x2: decode MODRM_REG { 553 0x2: decode LEGACY_OP { 554 0x0: psrld_PRq_Ib(); 555 0x1: psrld_VRo_Ib(); 556 } 557 0x4: decode LEGACY_OP { 558 0x0: psrad_PRq_Ib(); 559 0x1: psrad_VRo_Ib(); 560 } 561 0x6: decode LEGACY_OP { 562 0x0: pslld_PRq_Ib(); 563 0x1: pslld_VRo_Ib(); 564 } 565 default: Inst::UD2(); 566 } 567 //0x3: group15_pshimq(); 568 0x3: decode MODRM_REG { 569 0x2: decode LEGACY_OP { 570 0x0: psrlq_PRq_Ib(); 571 0x1: psrlq_VRo_Ib(); 572 } 573 0x3: decode LEGACY_OP { 574 0x0: Inst::UD2(); 575 0x1: psrldq_VRo_Ib(); 576 } 577 0x6: decode LEGACY_OP { 578 0x0: psllq_PRq_Ib(); 579 0x1: psllq_VRo_Ib(); 580 } 581 0x7: decode LEGACY_OP { 582 0x0: Inst::UD2(); 583 0x1: pslldq_VRo_Ib(); 584 } 585 default: Inst::UD2(); 586 } 587 0x4: pcmpeqb_Vo_Wo(); 588 0x5: pcmpeqw_Vo_Wo(); 589 0x6: pcmpeqd_Vo_Wo(); 590 default: Inst::UD2(); 591 } 592 // repne (0xF2) 593 0x8: decode OPCODE_OP_BOTTOM3 { 594 0x0: pshuflw_Vo_Wo_Ib(); 595 default: Inst::UD2(); 596 } 597 default: Inst::UD2(); 598 } 599 0x0F: decode LEGACY_DECODEVAL { 600 // no prefix 601 0x0: decode OPCODE_OP_BOTTOM3 { 602 0x0: vmread_Ed_or_Eq_Gd_or_Gq(); 603 0x1: vmwrite_Gd_or_Gq_Ed_or_Eq(); 604 0x6: mov_Ed_Pd(); 605 0x7: mov_Qq_Pq(); 606 default: Inst::UD2(); 607 } 608 // repe (0xF3) 609 0x4: decode OPCODE_OP_BOTTOM3 { 610 0x6: movq_Vo_Mq_or_Vq_Vq(); 611 0x7: movdqu_Wo_Vo(); 612 default: Inst::UD2(); 613 } 614 // operand size (0x66) 615 0x1: decode OPCODE_OP_BOTTOM3 { 616 0x4: haddpd_Vo_Wo(); 617 0x5: hsubpd_Vo_Wo(); 618 0x6: movd_Ed_Vd(); 619 0x7: movdqa_Wo_Vo(); 620 default: Inst::UD2(); 621 } 622 // repne (0xF2) 623 0x8: decode OPCODE_OP_BOTTOM3 { 624 0x4: haddps_Vo_Wo(); 625 0x5: hsubps_Vo_Wo(); 626 default: Inst::UD2(); 627 } 628 default: Inst::UD2(); 629 } 630 format Inst { 631 0x10: decode OPCODE_OP_BOTTOM3 { 632 0x0: JO(Jz); 633 0x1: JNO(Jz); 634 0x2: JB(Jz); 635 0x3: JNB(Jz); 636 0x4: JZ(Jz); 637 0x5: JNZ(Jz); 638 0x6: JBE(Jz); 639 0x7: JNBE(Jz); 640 } 641 0x11: decode OPCODE_OP_BOTTOM3 { 642 0x0: JS(Jz); 643 0x1: JNS(Jz); 644 0x2: JP(Jz); 645 0x3: JNP(Jz); 646 0x4: JL(Jz); 647 0x5: JNL(Jz); 648 0x6: JLE(Jz); 649 0x7: JNLE(Jz); 650 } 651 0x12: decode OPCODE_OP_BOTTOM3 { 652 0x0: SETO(Eb); 653 0x1: SETNO(Eb); 654 0x2: SETB(Eb); 655 0x3: SETNB(Eb); 656 0x4: SETZ(Eb); 657 0x5: SETNZ(Eb); 658 0x6: SETBE(Eb); 659 0x7: SETNBE(Eb); 660 } 661 0x13: decode OPCODE_OP_BOTTOM3 { 662 0x0: SETS(Eb); 663 0x1: SETNS(Eb); 664 0x2: SETP(Eb); 665 0x3: SETNP(Eb); 666 0x4: SETL(Eb); 667 0x5: SETNL(Eb); 668 0x6: SETLE(Eb); 669 0x7: SETNLE(Eb); 670 } 671 } 672 0x14: decode OPCODE_OP_BOTTOM3 { 673 0x0: push_fs(); 674 0x1: pop_fs(); 675 0x2: Inst::CPUID(rAd); 676 0x3: Inst::BT(Ev,Gv); 677 0x4: shld_Ev_Gv_Ib(); 678 0x5: shld_Ev_Gv_rCl(); 679 0x6: xbts_and_cmpxchg(); 680 0x7: ibts_and_cmpxchg(); 681 } 682 0x15: decode OPCODE_OP_BOTTOM3 { 683 0x0: push_gs(); 684 0x1: pop_gs(); 685 0x2: rsm_smm(); 686 0x3: Inst::BTS(Ev,Gv); 687 0x4: shrd_Ev_Gv_Ib(); 688 0x5: shrd_Ev_Gv_rCl(); 689 //0x6: group16(); 690 0x6: decode MODRM_MOD { 691 0x3: decode MODRM_REG { 692 0x5: lfence(); 693 0x6: mfence(); 694 0x7: sfence(); 695 default: Inst::UD2(); 696 } 697 default: decode MODRM_REG { 698 0x0: fxsave(); 699 0x1: fxrstor(); 700 0x7: clflush(); 701 default: Inst::UD2(); 702 } 703 } 704 0x7: Inst::IMUL(Gv,Ev); 705 } 706 0x16: decode OPCODE_OP_BOTTOM3 { 707 0x0: Inst::CMPXCHG(Eb,Gb); 708 0x1: Inst::CMPXCHG(Ev,Gv); 709 0x2: lss_Gz_Mp(); 710 0x3: Inst::BTR(Ev,Gv); 711 0x4: lfs_Gz_Mp(); 712 0x5: lgs_Gz_Mp(); 713 //The size of the second operand in these instructions should 714 //really be "b" or "w", but it's set to v in order to have a 715 //consistent register size. This shouldn't affect behavior. 716 0x6: Inst::MOVZX_B(Gv,Ev); 717 0x7: Inst::MOVZX_W(Gv,Ev); 718 } 719 0x17: decode OPCODE_OP_BOTTOM3 { 720 0x0: jmpe_Jz(); // IA-64? 721 format Inst { 722 //0x1: group11_UD2(); 723 0x1: UD2(); 724 //0x2: group8_Ev_Ib(); 725 0x2: decode MODRM_REG { 726 0x4: BT(Ev,Ib); 727 0x5: BTS(Ev,Ib); 728 0x6: BTR(Ev,Ib); 729 0x7: BTC(Ev,Ib); 730 default: UD2(); 731 } 732 0x3: BTC(Ev,Gv); 733 } 734 0x4: bsf_Gv_Ev(); 735 0x5: bsr_Gv_Ev(); 736 //The size of the second operand in these instructions should 737 //really be "b" or "w", but it's set to v in order to have a 738 //consistent register size. This shouldn't affect behavior. 739 0x6: Inst::MOVSX_B(Gv,Ev); 740 0x7: Inst::MOVSX_W(Gv,Ev); 741 } 742 0x18: decode OPCODE_OP_BOTTOM3 { 743 0x0: xadd_Eb_Gb(); 744 0x1: xadd_Ev_Gv(); 745 //0x7: group9(); 746 0x7: decode MODRM_REG { 747 0x1: cmpxchg_Mq(); 748 0x6: decode LEGACY_OP { 749 0x1: vmclear_Mq(); 750 default: decode LEGACY_REP { 751 0x1: vmxon_Mq(); 752 0x0: vmptrld_Mq(); 753 } 754 } 755 0x7: vmptrst_Mq(); 756 default: Inst::UD2(); 757 } 758 default: decode LEGACY_DECODEVAL { 759 // no prefix 760 0x0: decode OPCODE_OP_BOTTOM3 { 761 0x2: cmpccps_Vo_Wo_Ib(); 762 0x3: cvtdq2ps_Vo_Wo(); 763 0x4: subps_Vo_Wo(); 764 0x5: minps_Vo_Wo(); 765 0x6: divps_Vo_Wo(); 766 } 767 // repe (0xF3) 768 0x4: decode OPCODE_OP_BOTTOM3 { 769 0x2: cmpccss_Vd_Wd_Ib(); 770 default: Inst::UD2(); 771 } 772 // operand size (0x66) 773 0x1: decode OPCODE_OP_BOTTOM3 { 774 0x2: cmpccpd_Vo_Wo_Ib(); 775 0x4: subpd_Vo_Wo(); 776 0x5: minpd_Vo_Wo(); 777 0x6: divpd_Vo_Wo(); 778 default: Inst::UD2(); 779 } 780 // repne (0xF2) 781 0x8: decode OPCODE_OP_BOTTOM3 { 782 0x2: cmpccsd_Vq_Wq_Ib(); 783 default: Inst::UD2(); 784 } 785 default: Inst::UD2(); 786 } 787 } 788 0x19: bswap_B(); 789 0x1A: decode LEGACY_DECODEVAL { 790 // no prefix 791 0x0: decode OPCODE_OP_BOTTOM3 { 792 0x1: psrlw_Pq_Qq(); 793 0x2: psrld_Pq_Qq(); 794 0x3: psrlq_Pq_Qq(); 795 0x4: paddq_Pq_Qq(); 796 0x5: pmullw_Pq_Qq(); 797 0x7: pmovmskb_Gd_PRq(); 798 default: Inst::UD2(); 799 } 800 // repe (0xF3) 801 0x4: decode OPCODE_OP_BOTTOM3 { 802 0x6: movq2dq_Vo_PRq(); 803 default: Inst::UD2(); 804 } 805 // operand size (0x66) 806 0x1: decode OPCODE_OP_BOTTOM3 { 807 0x0: addsubpd_Vo_Wo(); 808 0x1: psrlw_Vo_Wo(); 809 0x2: psrld_Vo_Wo(); 810 0x3: psrlq_Vo_Wo(); 811 0x4: paddq_Vo_Wo(); 812 0x5: pmullw_Vo_Wo(); 813 0x6: decode MODRM_MOD { 814 0x3: movq_Vq_Vq(); 815 default: movq_Mq_Vq(); 816 } 817 0x7: pmovmskb_Gd_VRo(); 818 } 819 // repne (0xF2) 820 0x8: decode OPCODE_OP_BOTTOM3 { 821 0x0: addsubps_Vo_Wo(); 822 0x6: movdq2q_Pq_VRq(); 823 default: Inst::UD2(); 824 } 825 default: Inst::UD2(); 826 } 827 0x1B: decode LEGACY_DECODEVAL { 828 // no prefix 829 0x0: decode OPCODE_OP_BOTTOM3 { 830 0x0: psubusb_Pq_Qq(); 831 0x1: psubusw_Pq_Qq(); 832 0x2: pminub_Pq_Qq(); 833 0x3: pand_Pq_Qq(); 834 0x4: paddusb_Pq_Qq(); 835 0x5: paddusw_Pq_Qq(); 836 0x6: pmaxub_Pq_Qq(); 837 0x7: pandn_Pq_Qq(); 838 } 839 // operand size (0x66) 840 0x1: decode OPCODE_OP_BOTTOM3 { 841 0x0: psubusb_Vo_Wo(); 842 0x1: psubusw_Vo_Wo(); 843 0x2: pminub_Vo_Wo(); 844 0x3: pand_Vo_Wo(); 845 0x4: paddusb_Vo_Wo(); 846 0x5: paddusw_Vo_Wo(); 847 0x6: pmaxub_Vo_Wo(); 848 0x7: pandn_Vo_Wo(); 849 } 850 default: Inst::UD2(); 851 } 852 0x1C: decode LEGACY_DECODEVAL { 853 // no prefix 854 0x0: decode OPCODE_OP_BOTTOM3 { 855 0x0: pavgb_Pq_Qq(); 856 0x1: psraw_Pq_Qq(); 857 0x2: psrad_Pq_Qq(); 858 0x3: pavgw_Pq_Qq(); 859 0x4: pmulhuw_Pq_Qq(); 860 0x5: pmulhw_Pq_Qq(); 861 0x7: movntq_Mq_Pq(); 862 default: Inst::UD2(); 863 } 864 // repe (0xF3) 865 0x4: decode OPCODE_OP_BOTTOM3 { 866 0x6: cvtdq2pd_Vo_Wq(); 867 default: Inst::UD2(); 868 } 869 // operand size (0x66) 870 0x1: decode OPCODE_OP_BOTTOM3 { 871 0x0: pavgb_Vo_Wo(); 872 0x1: psraw_Vo_Wo(); 873 0x2: psrad_Vo_Wo(); 874 0x3: pavgw_Vo_Wo(); 875 0x4: pmulhuw_Vo_Wo(); 876 0x5: pmulhw_Vo_Wo(); 877 0x6: cvttpd2dq_Vo_Wo(); 878 0x7: movntdq_Mo_Vo(); 879 } 880 // repne (0xF2) 881 0x8: decode OPCODE_OP_BOTTOM3 { 882 0x6: cvtpd2dq_Vo_Wo(); 883 default: Inst::UD2(); 884 } 885 default: Inst::UD2(); 886 } 887 0x1D: decode LEGACY_DECODEVAL { 888 // no prefix 889 0x0: decode OPCODE_OP_BOTTOM3 { 890 0x0: psubsb_Pq_Qq(); 891 0x1: psubsw_Pq_Qq(); 892 0x2: pminsw_Pq_Qq(); 893 0x3: por_Pq_Qq(); 894 0x4: paddsb_Pq_Qq(); 895 0x5: paddsw_Pq_Qq(); 896 0x6: pmaxsw_Pq_Qq(); 897 0x7: pxor_Pq_Qq(); 898 } 899 // operand size (0x66) 900 0x1: decode OPCODE_OP_BOTTOM3 { 901 0x0: psubsb_Vo_Wo(); 902 0x1: psubsw_Vo_Wo(); 903 0x2: pminsw_Vo_Wo(); 904 0x3: por_Vo_Wo(); 905 0x4: paddsb_Vo_Wo(); 906 0x5: paddsw_Vo_Wo(); 907 0x6: pmaxsw_Vo_Wo(); 908 0x7: pxor_Vo_Wo(); 909 } 910 default: Inst::UD2(); 911 } 912 0x1E: decode OPCODE_OP_BOTTOM3 { 913 // no prefix 914 0x0: decode OPCODE_OP_BOTTOM3 { 915 0x1: psllw_Pq_Qq(); 916 0x2: pslld_Pq_Qq(); 917 0x3: psllq_Pq_Qq(); 918 0x4: pmuludq_Pq_Qq(); 919 0x5: pmaddwd_Pq_Qq(); 920 0x6: psadbw_Pq_Qq(); 921 0x7: maskmovq_Pq_PRq(); 922 default: Inst::UD2(); 923 } 924 // operand size (0x66) 925 0x1: decode OPCODE_OP_BOTTOM3 { 926 0x1: psllw_Vo_Wo(); 927 0x2: pslld_Vo_Wo(); 928 0x3: psllq_Vo_Wo(); 929 0x4: pmuludq_Vo_Wo(); 930 0x5: pmaddwd_Vo_Wo(); 931 0x6: psadbw_Vo_Wo(); 932 0x7: maskmovdqu_Vo_VRo(); 933 default: Inst::UD2(); 934 } 935 // repne (0xF2) 936 0x8: decode OPCODE_OP_BOTTOM3 { 937 0x0: lddqu_Vo_Mo(); 938 default: Inst::UD2(); 939 } 940 default: Inst::UD2(); 941 } 942 0x1F: decode LEGACY_DECODEVAL { 943 // no prefix 944 0x0: decode OPCODE_OP_BOTTOM3 { 945 0x0: psubb_Pq_Qq(); 946 0x1: psubw_Pq_Qq(); 947 0x2: psubd_Pq_Qq(); 948 0x3: psubq_Pq_Qq(); 949 0x4: paddb_Pq_Qq(); 950 0x5: paddw_Pq_Qq(); 951 0x6: paddd_Pq_Qq(); 952 0x7: Inst::UD2(); 953 } 954 // operand size (0x66) 955 0x1: decode OPCODE_OP_BOTTOM3 { 956 0x0: psubb_Vo_Wo(); 957 0x1: psubw_Vo_Wo(); 958 0x2: psubd_Vo_Wo(); 959 0x3: psubq_Vo_Wo(); 960 0x4: paddb_Vo_Wo(); 961 0x5: paddw_Vo_Wo(); 962 0x6: paddd_Vo_Wo(); 963 0x7: Inst::UD2(); 964 } 965 default: Inst::UD2(); 966 } 967 default: FailUnimpl::twoByteOps(); 968 } 969 } 970 default: M5InternalError::error( 971 {{"Unexpected first opcode byte in two byte opcode!"}}); 972} 973