1//===-- MicroMipsInstrFormats.td - microMIPS Inst Formats -*- tablegen -*--===// 2// 3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4// See https://llvm.org/LICENSE.txt for license information. 5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6// 7//===----------------------------------------------------------------------===// 8// 9// This files descributes the formats of the microMIPS instruction set. 10// 11//===----------------------------------------------------------------------===// 12 13//===----------------------------------------------------------------------===// 14// MicroMIPS Base Classes 15//===----------------------------------------------------------------------===// 16 17// 18// Base class for MicroMips instructions. 19// This class does not depend on the instruction size. 20// 21class MicroMipsInstBase<dag outs, dag ins, string asmstr, list<dag> pattern, 22 InstrItinClass itin, Format f> : Instruction, 23 PredicateControl { 24 let Namespace = "Mips"; 25 let DecoderNamespace = "MicroMips"; 26 27 let OutOperandList = outs; 28 let InOperandList = ins; 29 30 let AsmString = asmstr; 31 let Pattern = pattern; 32 let Itinerary = itin; 33 34 let EncodingPredicates = [InMicroMips]; 35 36 Format Form = f; 37} 38 39// 40// Base class for MicroMIPS 16-bit instructions. 41// 42class MicroMipsInst16<dag outs, dag ins, string asmstr, list<dag> pattern, 43 InstrItinClass itin, Format f> : 44 MicroMipsInstBase<outs, ins, asmstr, pattern, itin, f> 45{ 46 let Size = 2; 47 field bits<16> Inst; 48 field bits<16> SoftFail = 0; 49 bits<6> Opcode = 0x0; 50} 51 52//===----------------------------------------------------------------------===// 53// MicroMIPS 16-bit Instruction Formats 54//===----------------------------------------------------------------------===// 55 56class ARITH_FM_MM16<bit funct> { 57 bits<3> rd; 58 bits<3> rt; 59 bits<3> rs; 60 61 bits<16> Inst; 62 63 let Inst{15-10} = 0x01; 64 let Inst{9-7} = rd; 65 let Inst{6-4} = rt; 66 let Inst{3-1} = rs; 67 let Inst{0} = funct; 68} 69 70class ANDI_FM_MM16<bits<6> funct> { 71 bits<3> rd; 72 bits<3> rs; 73 bits<4> imm; 74 75 bits<16> Inst; 76 77 let Inst{15-10} = funct; 78 let Inst{9-7} = rd; 79 let Inst{6-4} = rs; 80 let Inst{3-0} = imm; 81} 82 83class LOGIC_FM_MM16<bits<4> funct> { 84 bits<3> rt; 85 bits<3> rs; 86 87 bits<16> Inst; 88 89 let Inst{15-10} = 0x11; 90 let Inst{9-6} = funct; 91 let Inst{5-3} = rt; 92 let Inst{2-0} = rs; 93} 94 95class SHIFT_FM_MM16<bits<1> funct> { 96 bits<3> rd; 97 bits<3> rt; 98 bits<3> shamt; 99 100 bits<16> Inst; 101 102 let Inst{15-10} = 0x09; 103 let Inst{9-7} = rd; 104 let Inst{6-4} = rt; 105 let Inst{3-1} = shamt; 106 let Inst{0} = funct; 107} 108 109class ADDIUR2_FM_MM16 { 110 bits<3> rd; 111 bits<3> rs; 112 bits<3> imm; 113 114 bits<16> Inst; 115 116 let Inst{15-10} = 0x1b; 117 let Inst{9-7} = rd; 118 let Inst{6-4} = rs; 119 let Inst{3-1} = imm; 120 let Inst{0} = 0; 121} 122 123class LOAD_STORE_FM_MM16<bits<6> op> { 124 bits<3> rt; 125 bits<7> addr; 126 127 bits<16> Inst; 128 129 let Inst{15-10} = op; 130 let Inst{9-7} = rt; 131 let Inst{6-4} = addr{6-4}; 132 let Inst{3-0} = addr{3-0}; 133} 134 135class LOAD_STORE_SP_FM_MM16<bits<6> op> { 136 bits<5> rt; 137 bits<5> offset; 138 139 bits<16> Inst; 140 141 let Inst{15-10} = op; 142 let Inst{9-5} = rt; 143 let Inst{4-0} = offset; 144} 145 146class LOAD_GP_FM_MM16<bits<6> op> { 147 bits<3> rt; 148 bits<7> offset; 149 150 bits<16> Inst; 151 152 let Inst{15-10} = op; 153 let Inst{9-7} = rt; 154 let Inst{6-0} = offset; 155} 156 157class ADDIUS5_FM_MM16 { 158 bits<5> rd; 159 bits<4> imm; 160 161 bits<16> Inst; 162 163 let Inst{15-10} = 0x13; 164 let Inst{9-5} = rd; 165 let Inst{4-1} = imm; 166 let Inst{0} = 0; 167} 168 169class ADDIUSP_FM_MM16 { 170 bits<9> imm; 171 172 bits<16> Inst; 173 174 let Inst{15-10} = 0x13; 175 let Inst{9-1} = imm; 176 let Inst{0} = 1; 177} 178 179class MOVE_FM_MM16<bits<6> funct> { 180 bits<5> rs; 181 bits<5> rd; 182 183 bits<16> Inst; 184 185 let Inst{15-10} = funct; 186 let Inst{9-5} = rd; 187 let Inst{4-0} = rs; 188} 189 190class LI_FM_MM16 { 191 bits<3> rd; 192 bits<7> imm; 193 194 bits<16> Inst; 195 196 let Inst{15-10} = 0x3b; 197 let Inst{9-7} = rd; 198 let Inst{6-0} = imm; 199} 200 201class JALR_FM_MM16<bits<5> op> { 202 bits<5> rs; 203 204 bits<16> Inst; 205 206 let Inst{15-10} = 0x11; 207 let Inst{9-5} = op; 208 let Inst{4-0} = rs; 209} 210 211class MFHILO_FM_MM16<bits<5> funct> { 212 bits<5> rd; 213 214 bits<16> Inst; 215 216 let Inst{15-10} = 0x11; 217 let Inst{9-5} = funct; 218 let Inst{4-0} = rd; 219} 220 221class JRADDIUSP_FM_MM16<bits<5> op> { 222 bits<5> rs; 223 bits<5> imm; 224 225 bits<16> Inst; 226 227 let Inst{15-10} = 0x11; 228 let Inst{9-5} = op; 229 let Inst{4-0} = imm; 230} 231 232class ADDIUR1SP_FM_MM16 { 233 bits<3> rd; 234 bits<6> imm; 235 236 bits<16> Inst; 237 238 let Inst{15-10} = 0x1b; 239 let Inst{9-7} = rd; 240 let Inst{6-1} = imm; 241 let Inst{0} = 1; 242} 243 244class BRKSDBBP16_FM_MM<bits<6> op> { 245 bits<4> code_; 246 bits<16> Inst; 247 248 let Inst{15-10} = 0x11; 249 let Inst{9-4} = op; 250 let Inst{3-0} = code_; 251} 252 253class BEQNEZ_FM_MM16<bits<6> op> { 254 bits<3> rs; 255 bits<7> offset; 256 257 bits<16> Inst; 258 259 let Inst{15-10} = op; 260 let Inst{9-7} = rs; 261 let Inst{6-0} = offset; 262} 263 264class B16_FM { 265 bits<10> offset; 266 267 bits<16> Inst; 268 269 let Inst{15-10} = 0x33; 270 let Inst{9-0} = offset; 271} 272 273class MOVEP_FM_MM16 { 274 bits<3> dst_regs; 275 bits<3> rt; 276 bits<3> rs; 277 278 bits<16> Inst; 279 280 let Inst{15-10} = 0x21; 281 let Inst{9-7} = dst_regs; 282 let Inst{6-4} = rt; 283 let Inst{3-1} = rs; 284 let Inst{0} = 0; 285} 286 287//===----------------------------------------------------------------------===// 288// MicroMIPS 32-bit Instruction Formats 289//===----------------------------------------------------------------------===// 290 291class MMArch { 292 string Arch = "micromips"; 293} 294 295class ADD_FM_MM<bits<6> op, bits<10> funct> : MMArch { 296 bits<5> rt; 297 bits<5> rs; 298 bits<5> rd; 299 300 bits<32> Inst; 301 302 let Inst{31-26} = op; 303 let Inst{25-21} = rt; 304 let Inst{20-16} = rs; 305 let Inst{15-11} = rd; 306 let Inst{10} = 0; 307 let Inst{9-0} = funct; 308} 309 310class ADDI_FM_MM<bits<6> op> : MMArch { 311 bits<5> rs; 312 bits<5> rt; 313 bits<16> imm16; 314 315 bits<32> Inst; 316 317 let Inst{31-26} = op; 318 let Inst{25-21} = rt; 319 let Inst{20-16} = rs; 320 let Inst{15-0} = imm16; 321} 322 323class SLTI_FM_MM<bits<6> op> : MMArch { 324 bits<5> rt; 325 bits<5> rs; 326 bits<16> imm16; 327 328 bits<32> Inst; 329 330 let Inst{31-26} = op; 331 let Inst{25-21} = rt; 332 let Inst{20-16} = rs; 333 let Inst{15-0} = imm16; 334} 335 336class LUI_FM_MM : MMArch { 337 bits<5> rt; 338 bits<16> imm16; 339 340 bits<32> Inst; 341 342 let Inst{31-26} = 0x10; 343 let Inst{25-21} = 0xd; 344 let Inst{20-16} = rt; 345 let Inst{15-0} = imm16; 346} 347 348class MULT_FM_MM<bits<10> funct> : MMArch { 349 bits<5> rs; 350 bits<5> rt; 351 352 bits<32> Inst; 353 354 let Inst{31-26} = 0x00; 355 let Inst{25-21} = rt; 356 let Inst{20-16} = rs; 357 let Inst{15-6} = funct; 358 let Inst{5-0} = 0x3c; 359} 360 361class SRA_FM_MM<bits<10> funct, bit rotate> : MMArch { 362 bits<5> rd; 363 bits<5> rt; 364 bits<5> shamt; 365 366 bits<32> Inst; 367 368 let Inst{31-26} = 0; 369 let Inst{25-21} = rd; 370 let Inst{20-16} = rt; 371 let Inst{15-11} = shamt; 372 let Inst{10} = rotate; 373 let Inst{9-0} = funct; 374} 375 376class SRLV_FM_MM<bits<10> funct, bit rotate> : MMArch { 377 bits<5> rd; 378 bits<5> rt; 379 bits<5> rs; 380 381 bits<32> Inst; 382 383 let Inst{31-26} = 0; 384 let Inst{25-21} = rt; 385 let Inst{20-16} = rs; 386 let Inst{15-11} = rd; 387 let Inst{10} = rotate; 388 let Inst{9-0} = funct; 389} 390 391class LW_FM_MM<bits<6> op> : MMArch { 392 bits<5> rt; 393 bits<21> addr; 394 bits<5> base = addr{20-16}; 395 bits<16> offset = addr{15-0}; 396 397 bits<32> Inst; 398 399 let Inst{31-26} = op; 400 let Inst{25-21} = rt; 401 let Inst{20-16} = base; 402 let Inst{15-0} = offset; 403} 404 405class POOL32C_LHUE_FM_MM<bits<6> op, bits<4> fmt, bits<3> funct> : MMArch { 406 bits<5> rt; 407 bits<21> addr; 408 bits<5> base = addr{20-16}; 409 bits<9> offset = addr{8-0}; 410 411 bits<32> Inst; 412 413 let Inst{31-26} = op; 414 let Inst{25-21} = rt; 415 let Inst{20-16} = base; 416 let Inst{15-12} = fmt; 417 let Inst{11-9} = funct; 418 let Inst{8-0} = offset; 419} 420 421class LWL_FM_MM<bits<4> funct> : MMArch { 422 bits<5> rt; 423 bits<21> addr; 424 425 bits<32> Inst; 426 427 let Inst{31-26} = 0x18; 428 let Inst{25-21} = rt; 429 let Inst{20-16} = addr{20-16}; 430 let Inst{15-12} = funct; 431 let Inst{11-0} = addr{11-0}; 432} 433 434class POOL32C_STEVA_LDEVA_FM_MM<bits<4> type, bits<3> funct> : MMArch { 435 bits<5> rt; 436 bits<21> addr; 437 bits<5> base = addr{20-16}; 438 bits<9> offset = addr{8-0}; 439 440 bits<32> Inst; 441 442 let Inst{31-26} = 0x18; 443 let Inst{25-21} = rt; 444 let Inst{20-16} = base; 445 let Inst{15-12} = type; 446 let Inst{11-9} = funct; 447 let Inst{8-0} = offset; 448} 449 450class CMov_F_I_FM_MM<bits<7> func> : MMArch { 451 bits<5> rd; 452 bits<5> rs; 453 bits<3> fcc; 454 455 bits<32> Inst; 456 457 let Inst{31-26} = 0x15; 458 let Inst{25-21} = rd; 459 let Inst{20-16} = rs; 460 let Inst{15-13} = fcc; 461 let Inst{12-6} = func; 462 let Inst{5-0} = 0x3b; 463} 464 465class MTLO_FM_MM<bits<10> funct> : MMArch { 466 bits<5> rs; 467 468 bits<32> Inst; 469 470 let Inst{31-26} = 0x00; 471 let Inst{25-21} = 0x00; 472 let Inst{20-16} = rs; 473 let Inst{15-6} = funct; 474 let Inst{5-0} = 0x3c; 475} 476 477class MFLO_FM_MM<bits<10> funct> : MMArch { 478 bits<5> rd; 479 480 bits<32> Inst; 481 482 let Inst{31-26} = 0x00; 483 let Inst{25-21} = 0x00; 484 let Inst{20-16} = rd; 485 let Inst{15-6} = funct; 486 let Inst{5-0} = 0x3c; 487} 488 489class CLO_FM_MM<bits<10> funct> : MMArch { 490 bits<5> rd; 491 bits<5> rs; 492 493 bits<32> Inst; 494 495 let Inst{31-26} = 0x00; 496 let Inst{25-21} = rd; 497 let Inst{20-16} = rs; 498 let Inst{15-6} = funct; 499 let Inst{5-0} = 0x3c; 500} 501 502class SEB_FM_MM<bits<10> funct> : MMArch { 503 bits<5> rd; 504 bits<5> rt; 505 506 bits<32> Inst; 507 508 let Inst{31-26} = 0x00; 509 let Inst{25-21} = rd; 510 let Inst{20-16} = rt; 511 let Inst{15-6} = funct; 512 let Inst{5-0} = 0x3c; 513} 514 515class EXT_FM_MM<bits<6> funct> : MMArch { 516 bits<5> rt; 517 bits<5> rs; 518 bits<5> pos; 519 bits<5> size; 520 521 bits<32> Inst; 522 523 let Inst{31-26} = 0x00; 524 let Inst{25-21} = rt; 525 let Inst{20-16} = rs; 526 let Inst{15-11} = size; 527 let Inst{10-6} = pos; 528 let Inst{5-0} = funct; 529} 530 531class J_FM_MM<bits<6> op> : MMArch { 532 bits<26> target; 533 534 bits<32> Inst; 535 536 let Inst{31-26} = op; 537 let Inst{25-0} = target; 538} 539 540class JR_FM_MM<bits<8> funct> : MMArch { 541 bits<5> rs; 542 543 bits<32> Inst; 544 545 let Inst{31-21} = 0x00; 546 let Inst{20-16} = rs; 547 let Inst{15-14} = 0x0; 548 let Inst{13-6} = funct; 549 let Inst{5-0} = 0x3c; 550} 551 552class JALR_FM_MM<bits<10> funct> { 553 bits<5> rs; 554 bits<5> rd; 555 556 bits<32> Inst; 557 558 let Inst{31-26} = 0x00; 559 let Inst{25-21} = rd; 560 let Inst{20-16} = rs; 561 let Inst{15-6} = funct; 562 let Inst{5-0} = 0x3c; 563} 564 565class BEQ_FM_MM<bits<6> op> : MMArch { 566 bits<5> rs; 567 bits<5> rt; 568 bits<16> offset; 569 570 bits<32> Inst; 571 572 let Inst{31-26} = op; 573 let Inst{25-21} = rt; 574 let Inst{20-16} = rs; 575 let Inst{15-0} = offset; 576} 577 578class BGEZ_FM_MM<bits<5> funct> : MMArch { 579 bits<5> rs; 580 bits<16> offset; 581 582 bits<32> Inst; 583 584 let Inst{31-26} = 0x10; 585 let Inst{25-21} = funct; 586 let Inst{20-16} = rs; 587 let Inst{15-0} = offset; 588} 589 590class BGEZAL_FM_MM<bits<5> funct> : MMArch { 591 bits<5> rs; 592 bits<16> offset; 593 594 bits<32> Inst; 595 596 let Inst{31-26} = 0x10; 597 let Inst{25-21} = funct; 598 let Inst{20-16} = rs; 599 let Inst{15-0} = offset; 600} 601 602class SYNC_FM_MM : MMArch { 603 bits<5> stype; 604 605 bits<32> Inst; 606 607 let Inst{31-26} = 0x00; 608 let Inst{25-21} = 0x0; 609 let Inst{20-16} = stype; 610 let Inst{15-6} = 0x1ad; 611 let Inst{5-0} = 0x3c; 612} 613 614class SYNCI_FM_MM : MMArch { 615 bits<21> addr; 616 bits<5> rs = addr{20-16}; 617 bits<16> offset = addr{15-0}; 618 bits<32> Inst; 619 620 let Inst{31-26} = 0b010000; 621 let Inst{25-21} = 0b10000; 622 let Inst{20-16} = rs; 623 let Inst{15-0} = offset; 624} 625 626class BRK_FM_MM : MMArch { 627 bits<10> code_1; 628 bits<10> code_2; 629 bits<32> Inst; 630 let Inst{31-26} = 0x0; 631 let Inst{25-16} = code_1; 632 let Inst{15-6} = code_2; 633 let Inst{5-0} = 0x07; 634} 635 636class SYS_FM_MM : MMArch { 637 bits<10> code_; 638 bits<32> Inst; 639 let Inst{31-26} = 0x0; 640 let Inst{25-16} = code_; 641 let Inst{15-6} = 0x22d; 642 let Inst{5-0} = 0x3c; 643} 644 645class WAIT_FM_MM : MMArch { 646 bits<10> code_; 647 bits<32> Inst; 648 649 let Inst{31-26} = 0x00; 650 let Inst{25-16} = code_; 651 let Inst{15-6} = 0x24d; 652 let Inst{5-0} = 0x3c; 653} 654 655class ER_FM_MM<bits<10> funct> : MMArch { 656 bits<32> Inst; 657 658 let Inst{31-26} = 0x00; 659 let Inst{25-16} = 0x00; 660 let Inst{15-6} = funct; 661 let Inst{5-0} = 0x3c; 662} 663 664class EI_FM_MM<bits<10> funct> : MMArch { 665 bits<32> Inst; 666 bits<5> rt; 667 668 let Inst{31-26} = 0x00; 669 let Inst{25-21} = 0x00; 670 let Inst{20-16} = rt; 671 let Inst{15-6} = funct; 672 let Inst{5-0} = 0x3c; 673} 674 675class TEQ_FM_MM<bits<6> funct> : MMArch { 676 bits<5> rs; 677 bits<5> rt; 678 bits<4> code_; 679 680 bits<32> Inst; 681 682 let Inst{31-26} = 0x00; 683 let Inst{25-21} = rt; 684 let Inst{20-16} = rs; 685 let Inst{15-12} = code_; 686 let Inst{11-6} = funct; 687 let Inst{5-0} = 0x3c; 688} 689 690class TEQI_FM_MM<bits<5> funct> : MMArch { 691 bits<5> rs; 692 bits<16> imm16; 693 694 bits<32> Inst; 695 696 let Inst{31-26} = 0x10; 697 let Inst{25-21} = funct; 698 let Inst{20-16} = rs; 699 let Inst{15-0} = imm16; 700} 701 702class LL_FM_MM<bits<4> funct> : MMArch { 703 bits<5> rt; 704 bits<21> addr; 705 706 bits<32> Inst; 707 708 let Inst{31-26} = 0x18; 709 let Inst{25-21} = rt; 710 let Inst{20-16} = addr{20-16}; 711 let Inst{15-12} = funct; 712 let Inst{11-0} = addr{11-0}; 713} 714 715class LLE_FM_MM<bits<4> funct> : MMArch { 716 bits<5> rt; 717 bits<21> addr; 718 bits<5> base = addr{20-16}; 719 bits<9> offset = addr{8-0}; 720 721 bits<32> Inst; 722 723 let Inst{31-26} = 0x18; 724 let Inst{25-21} = rt; 725 let Inst{20-16} = base; 726 let Inst{15-12} = funct; 727 let Inst{11-9} = 0x6; 728 let Inst{8-0} = offset; 729} 730 731class ADDS_FM_MM<bits<2> fmt, bits<8> funct> : MMArch { 732 bits<5> ft; 733 bits<5> fs; 734 bits<5> fd; 735 736 bits<32> Inst; 737 738 let Inst{31-26} = 0x15; 739 let Inst{25-21} = ft; 740 let Inst{20-16} = fs; 741 let Inst{15-11} = fd; 742 let Inst{10} = 0; 743 let Inst{9-8} = fmt; 744 let Inst{7-0} = funct; 745 746} 747 748class LWXC1_FM_MM<bits<9> funct> : MMArch { 749 bits<5> fd; 750 bits<5> base; 751 bits<5> index; 752 753 bits<32> Inst; 754 755 let Inst{31-26} = 0x15; 756 let Inst{25-21} = index; 757 let Inst{20-16} = base; 758 let Inst{15-11} = fd; 759 let Inst{10-9} = 0x0; 760 let Inst{8-0} = funct; 761} 762 763class SWXC1_FM_MM<bits<9> funct> : MMArch { 764 bits<5> fs; 765 bits<5> base; 766 bits<5> index; 767 768 bits<32> Inst; 769 770 let Inst{31-26} = 0x15; 771 let Inst{25-21} = index; 772 let Inst{20-16} = base; 773 let Inst{15-11} = fs; 774 let Inst{10-9} = 0x0; 775 let Inst{8-0} = funct; 776} 777 778class CEQS_FM_MM<bits<2> fmt> : MMArch { 779 bits<5> fs; 780 bits<5> ft; 781 bits<3> fcc; 782 bits<4> cond; 783 784 bits<32> Inst; 785 786 let Inst{31-26} = 0x15; 787 let Inst{25-21} = ft; 788 let Inst{20-16} = fs; 789 let Inst{15-13} = fcc; 790 let Inst{12} = 0; 791 let Inst{11-10} = fmt; 792 let Inst{9-6} = cond; 793 let Inst{5-0} = 0x3c; 794} 795 796class C_COND_FM_MM<bits <2> fmt, bits<4> c> : CEQS_FM_MM<fmt> { 797 let cond = c; 798} 799 800class BC1F_FM_MM<bits<5> tf> : MMArch { 801 bits<3> fcc; 802 bits<16> offset; 803 804 bits<32> Inst; 805 806 let Inst{31-26} = 0x10; 807 let Inst{25-21} = tf; 808 let Inst{20-18} = fcc; // cc 809 let Inst{17-16} = 0x0; 810 let Inst{15-0} = offset; 811} 812 813class ROUND_W_FM_MM<bits<1> fmt, bits<8> funct> : MMArch { 814 bits<5> fd; 815 bits<5> fs; 816 817 bits<32> Inst; 818 819 let Inst{31-26} = 0x15; 820 let Inst{25-21} = fd; 821 let Inst{20-16} = fs; 822 let Inst{15} = 0; 823 let Inst{14} = fmt; 824 let Inst{13-6} = funct; 825 let Inst{5-0} = 0x3b; 826} 827 828class ABS_FM_MM<bits<2> fmt, bits<7> funct> : MMArch { 829 bits<5> fd; 830 bits<5> fs; 831 832 bits<32> Inst; 833 834 let Inst{31-26} = 0x15; 835 let Inst{25-21} = fd; 836 let Inst{20-16} = fs; 837 let Inst{15} = 0; 838 let Inst{14-13} = fmt; 839 let Inst{12-6} = funct; 840 let Inst{5-0} = 0x3b; 841} 842 843class CMov_F_F_FM_MM<bits<9> func, bits<2> fmt> : MMArch { 844 bits<5> fd; 845 bits<5> fs; 846 bits<3> fcc; 847 bits<32> Inst; 848 849 let Inst{31-26} = 0x15; 850 let Inst{25-21} = fd; 851 let Inst{20-16} = fs; 852 let Inst{15-13} = fcc; //cc 853 let Inst{12-11} = 0x0; 854 let Inst{10-9} = fmt; 855 let Inst{8-0} = func; 856} 857 858class CMov_I_F_FM_MM<bits<8> funct, bits<2> fmt> : MMArch { 859 bits<5> fd; 860 bits<5> fs; 861 bits<5> rt; 862 863 bits<32> Inst; 864 865 let Inst{31-26} = 0x15; 866 let Inst{25-21} = rt; 867 let Inst{20-16} = fs; 868 let Inst{15-11} = fd; 869 let Inst{9-8} = fmt; 870 let Inst{7-0} = funct; 871} 872 873class MFC1_FM_MM<bits<8> funct> : MMArch { 874 bits<5> rt; 875 bits<5> fs; 876 877 bits<32> Inst; 878 879 let Inst{31-26} = 0x15; 880 let Inst{25-21} = rt; 881 let Inst{20-16} = fs; 882 let Inst{15-14} = 0x0; 883 let Inst{13-6} = funct; 884 let Inst{5-0} = 0x3b; 885} 886 887class MADDS_FM_MM<bits<6> funct>: MMArch { 888 bits<5> ft; 889 bits<5> fs; 890 bits<5> fd; 891 bits<5> fr; 892 893 bits<32> Inst; 894 895 let Inst{31-26} = 0x15; 896 let Inst{25-21} = ft; 897 let Inst{20-16} = fs; 898 let Inst{15-11} = fd; 899 let Inst{10-6} = fr; 900 let Inst{5-0} = funct; 901} 902 903class COMPACT_BRANCH_FM_MM<bits<5> funct> { 904 bits<5> rs; 905 bits<16> offset; 906 907 bits<32> Inst; 908 909 let Inst{31-26} = 0x10; 910 let Inst{25-21} = funct; 911 let Inst{20-16} = rs; 912 let Inst{15-0} = offset; 913} 914 915class COP0_TLB_FM_MM<bits<10> op> : MMArch { 916 bits<32> Inst; 917 918 let Inst{31-26} = 0x0; 919 let Inst{25-16} = 0x0; 920 let Inst{15-6} = op; 921 let Inst{5-0} = 0x3c; 922} 923 924class SDBBP_FM_MM : MMArch { 925 bits<10> code_; 926 927 bits<32> Inst; 928 929 let Inst{31-26} = 0x0; 930 let Inst{25-16} = code_; 931 let Inst{15-6} = 0x36d; 932 let Inst{5-0} = 0x3c; 933} 934 935class SIGRIE_FM_MM : MMArch { 936 bits<16> code_; 937 938 bits<32> Inst; 939 940 let Inst{31-26} = 0x0; 941 let Inst{25-22} = 0x0; 942 let Inst{21-6} = code_; 943 let Inst{5-0} = 0b111111; 944} 945 946class RDHWR_FM_MM : MMArch { 947 bits<5> rt; 948 bits<5> rd; 949 950 bits<32> Inst; 951 952 let Inst{31-26} = 0x0; 953 let Inst{25-21} = rt; 954 let Inst{20-16} = rd; 955 let Inst{15-6} = 0x1ac; 956 let Inst{5-0} = 0x3c; 957} 958 959class LWXS_FM_MM<bits<10> funct> { 960 bits<5> rd; 961 bits<5> base; 962 bits<5> index; 963 964 bits<32> Inst; 965 966 let Inst{31-26} = 0x0; 967 let Inst{25-21} = index; 968 let Inst{20-16} = base; 969 let Inst{15-11} = rd; 970 let Inst{10} = 0; 971 let Inst{9-0} = funct; 972} 973 974class LWM_FM_MM<bits<4> funct> : MMArch { 975 bits<5> rt; 976 bits<21> addr; 977 978 bits<32> Inst; 979 980 let Inst{31-26} = 0x8; 981 let Inst{25-21} = rt; 982 let Inst{20-16} = addr{20-16}; 983 let Inst{15-12} = funct; 984 let Inst{11-0} = addr{11-0}; 985} 986 987class LWM_FM_MM16<bits<4> funct> : MMArch { 988 bits<2> rt; 989 bits<4> addr; 990 991 bits<16> Inst; 992 993 let Inst{15-10} = 0x11; 994 let Inst{9-6} = funct; 995 let Inst{5-4} = rt; 996 let Inst{3-0} = addr; 997} 998 999class CACHE_PREF_FM_MM<bits<6> op, bits<4> funct> : MMArch { 1000 bits<21> addr; 1001 bits<5> hint; 1002 bits<5> base = addr{20-16}; 1003 bits<12> offset = addr{11-0}; 1004 1005 bits<32> Inst; 1006 1007 let Inst{31-26} = op; 1008 let Inst{25-21} = hint; 1009 let Inst{20-16} = base; 1010 let Inst{15-12} = funct; 1011 let Inst{11-0} = offset; 1012} 1013 1014class CACHE_PREFE_FM_MM<bits<6> op, bits<3> funct> : MMArch { 1015 bits<21> addr; 1016 bits<5> hint; 1017 bits<5> base = addr{20-16}; 1018 bits<9> offset = addr{8-0}; 1019 1020 bits<32> Inst; 1021 1022 let Inst{31-26} = op; 1023 let Inst{25-21} = hint; 1024 let Inst{20-16} = base; 1025 let Inst{15-12} = 0xA; 1026 let Inst{11-9} = funct; 1027 let Inst{8-0} = offset; 1028} 1029 1030class POOL32F_PREFX_FM_MM<bits<6> op, bits<9> funct> : MMArch { 1031 bits<5> index; 1032 bits<5> base; 1033 bits<5> hint; 1034 1035 bits<32> Inst; 1036 1037 let Inst{31-26} = op; 1038 let Inst{25-21} = index; 1039 let Inst{20-16} = base; 1040 let Inst{15-11} = hint; 1041 let Inst{10-9} = 0x0; 1042 let Inst{8-0} = funct; 1043} 1044 1045class BARRIER_FM_MM<bits<5> op> : MMArch { 1046 bits<32> Inst; 1047 1048 let Inst{31-26} = 0x0; 1049 let Inst{25-21} = 0x0; 1050 let Inst{20-16} = 0x0; 1051 let Inst{15-11} = op; 1052 let Inst{10-6} = 0x0; 1053 let Inst{5-0} = 0x0; 1054} 1055 1056class ADDIUPC_FM_MM { 1057 bits<3> rs; 1058 bits<23> imm; 1059 1060 bits<32> Inst; 1061 1062 let Inst{31-26} = 0x1e; 1063 let Inst{25-23} = rs; 1064 let Inst{22-0} = imm; 1065} 1066 1067class POOL32A_CFTC2_FM_MM<bits<10> funct> : MMArch { 1068 bits<5> rt; 1069 bits<5> impl; 1070 1071 bits<32> Inst; 1072 1073 let Inst{31-26} = 0b000000; 1074 let Inst{25-21} = rt; 1075 let Inst{20-16} = impl; 1076 let Inst{15-6} = funct; 1077 let Inst{5-0} = 0b111100; 1078} 1079 1080class POOL32A_TLBINV_FM_MM<bits<10> funct> : MMArch { 1081 bits<32> Inst; 1082 1083 let Inst{31-26} = 0x0; 1084 let Inst{25-16} = 0x0; 1085 let Inst{15-6} = funct; 1086 let Inst{5-0} = 0b111100; 1087} 1088 1089class POOL32A_MFTC0_FM_MM<bits<5> funct, bits<6> opcode> : MMArch { 1090 bits<5> rt; 1091 bits<5> rs; 1092 bits<3> sel; 1093 1094 bits<32> Inst; 1095 1096 let Inst{31-26} = 0b000000; 1097 let Inst{25-21} = rt; 1098 let Inst{20-16} = rs; 1099 let Inst{15-14} = 0; 1100 let Inst{13-11} = sel; 1101 let Inst{10-6} = funct; 1102 let Inst{5-0} = opcode; 1103} 1104 1105class POOL32A_HYPCALL_FM_MM : MMArch { 1106 bits<32> Inst; 1107 1108 bits<10> code_; 1109 1110 let Inst{31-26} = 0x0; 1111 let Inst{25-16} = code_; 1112 let Inst{15-6} = 0b1100001101; 1113 let Inst{5-0} = 0b111100; 1114} 1115