| 1 | // -*- C -*- |
| 2 | // |
| 3 | // <insn> ::= |
| 4 | // <insn-word> { "+" <insn-word> } |
| 5 | // ":" <format-name> |
| 6 | // ":" <filter-flags> |
| 7 | // ":" <options> |
| 8 | // ":" <name> |
| 9 | // <nl> |
| 10 | // { <insn-model> } |
| 11 | // { <insn-mnemonic> } |
| 12 | // <code-block> |
| 13 | // |
| 14 | |
| 15 | |
| 16 | // IGEN config - mips16 |
| 17 | // :option:16::insn-bit-size:16 |
| 18 | // :option:16::hi-bit-nr:15 |
| 19 | :option:16::insn-specifying-widths:true |
| 20 | :option:16::gen-delayed-branch:false |
| 21 | |
| 22 | // IGEN config - mips32/64.. |
| 23 | // :option:32::insn-bit-size:32 |
| 24 | // :option:32::hi-bit-nr:31 |
| 25 | :option:32::insn-specifying-widths:true |
| 26 | :option:32::gen-delayed-branch:false |
| 27 | |
| 28 | |
| 29 | // Generate separate simulators for each target |
| 30 | // :option:::multi-sim:true |
| 31 | |
| 32 | |
| 33 | // Models known by this simulator are defined below. |
| 34 | // |
| 35 | // When placing models in the instruction descriptions, please place |
| 36 | // them one per line, in the order given here. |
| 37 | |
| 38 | // MIPS ISAs: |
| 39 | // |
| 40 | // Instructions and related functions for these models are included in |
| 41 | // this file. |
| 42 | :model:::mipsI:mips3000: |
| 43 | :model:::mipsII:mips6000: |
| 44 | :model:::mipsIII:mips4000: |
| 45 | :model:::mipsIV:mips8000: |
| 46 | :model:::mipsV:mipsisaV: |
| 47 | :model:::mips32:mipsisa32: |
| 48 | :model:::mips64:mipsisa64: |
| 49 | |
| 50 | // Vendor ISAs: |
| 51 | // |
| 52 | // Standard MIPS ISA instructions used for these models are listed here, |
| 53 | // as are functions needed by those standard instructions. Instructions |
| 54 | // which are model-dependent and which are not in the standard MIPS ISAs |
| 55 | // (or which pre-date or use different encodings than the standard |
| 56 | // instructions) are (for the most part) in separate .igen files. |
| 57 | :model:::vr4100:mips4100: // vr.igen |
| 58 | :model:::vr5000:mips5000: |
| 59 | :model:::r3900:mips3900: // tx.igen |
| 60 | |
| 61 | // MIPS Application Specific Extensions (ASEs) |
| 62 | // |
| 63 | // Instructions for the ASEs are in separate .igen files. |
| 64 | :model:::mips16:mips16: // m16.igen (and m16.dc) |
| 65 | |
| 66 | |
| 67 | // Pseudo instructions known by IGEN |
| 68 | :internal::::illegal: |
| 69 | { |
| 70 | SignalException (ReservedInstruction, 0); |
| 71 | } |
| 72 | |
| 73 | |
| 74 | // Pseudo instructions known by interp.c |
| 75 | // For grep - RSVD_INSTRUCTION, RSVD_INSTRUCTION_MASK |
| 76 | 000000,5.*,5.*,5.*,5.OP,000101:SPECIAL:32::RSVD |
| 77 | "rsvd <OP>" |
| 78 | { |
| 79 | SignalException (ReservedInstruction, instruction_0); |
| 80 | } |
| 81 | |
| 82 | |
| 83 | |
| 84 | // Helper: |
| 85 | // |
| 86 | // Simulate a 32 bit delayslot instruction |
| 87 | // |
| 88 | |
| 89 | :function:::address_word:delayslot32:address_word target |
| 90 | { |
| 91 | instruction_word delay_insn; |
| 92 | sim_events_slip (SD, 1); |
| 93 | DSPC = CIA; |
| 94 | CIA = CIA + 4; /* NOTE not mips16 */ |
| 95 | STATE |= simDELAYSLOT; |
| 96 | delay_insn = IMEM32 (CIA); /* NOTE not mips16 */ |
| 97 | ENGINE_ISSUE_PREFIX_HOOK(); |
| 98 | idecode_issue (CPU_, delay_insn, (CIA)); |
| 99 | STATE &= ~simDELAYSLOT; |
| 100 | return target; |
| 101 | } |
| 102 | |
| 103 | :function:::address_word:nullify_next_insn32: |
| 104 | { |
| 105 | sim_events_slip (SD, 1); |
| 106 | dotrace (SD, CPU, tracefh, 2, CIA + 4, 4, "load instruction"); |
| 107 | return CIA + 8; |
| 108 | } |
| 109 | |
| 110 | |
| 111 | // Helper: |
| 112 | // |
| 113 | // Calculate an effective address given a base and an offset. |
| 114 | // |
| 115 | |
| 116 | :function:::address_word:loadstore_ea:address_word base, address_word offset |
| 117 | *mipsI: |
| 118 | *mipsII: |
| 119 | *mipsIII: |
| 120 | *mipsIV: |
| 121 | *mipsV: |
| 122 | *mips32: |
| 123 | *vr4100: |
| 124 | *vr5000: |
| 125 | *r3900: |
| 126 | { |
| 127 | return base + offset; |
| 128 | } |
| 129 | |
| 130 | :function:::address_word:loadstore_ea:address_word base, address_word offset |
| 131 | *mips64: |
| 132 | { |
| 133 | #if 0 /* XXX FIXME: enable this only after some additional testing. */ |
| 134 | /* If in user mode and UX is not set, use 32-bit compatibility effective |
| 135 | address computations as defined in the MIPS64 Architecture for |
| 136 | Programmers Volume III, Revision 0.95, section 4.9. */ |
| 137 | if ((SR & (status_KSU_mask|status_EXL|status_ERL|status_UX)) |
| 138 | == (ksu_user << status_KSU_shift)) |
| 139 | return (address_word)((signed32)base + (signed32)offset); |
| 140 | #endif |
| 141 | return base + offset; |
| 142 | } |
| 143 | |
| 144 | |
| 145 | // Helper: |
| 146 | // |
| 147 | // Check that an access to a HI/LO register meets timing requirements |
| 148 | // |
| 149 | // The following requirements exist: |
| 150 | // |
| 151 | // - A MT {HI,LO} update was not immediatly preceeded by a MF {HI,LO} read |
| 152 | // - A OP {HI,LO} update was not immediatly preceeded by a MF {HI,LO} read |
| 153 | // - A MF {HI,LO} read was not corrupted by a preceeding MT{LO,HI} update |
| 154 | // corruption occures when MT{LO,HI} is preceeded by a OP {HI,LO}. |
| 155 | // |
| 156 | |
| 157 | :function:::int:check_mf_cycles:hilo_history *history, signed64 time, const char *new |
| 158 | { |
| 159 | if (history->mf.timestamp + 3 > time) |
| 160 | { |
| 161 | sim_engine_abort (SD, CPU, CIA, "HILO: %s: %s at 0x%08lx too close to MF at 0x%08lx\n", |
| 162 | itable[MY_INDEX].name, |
| 163 | new, (long) CIA, |
| 164 | (long) history->mf.cia); |
| 165 | return 0; |
| 166 | } |
| 167 | return 1; |
| 168 | } |
| 169 | |
| 170 | :function:::int:check_mt_hilo:hilo_history *history |
| 171 | *mipsI: |
| 172 | *mipsII: |
| 173 | *mipsIII: |
| 174 | *mipsIV: |
| 175 | *mipsV: |
| 176 | *vr4100: |
| 177 | *vr5000: |
| 178 | { |
| 179 | signed64 time = sim_events_time (SD); |
| 180 | int ok = check_mf_cycles (SD_, history, time, "MT"); |
| 181 | history->mt.timestamp = time; |
| 182 | history->mt.cia = CIA; |
| 183 | return ok; |
| 184 | } |
| 185 | |
| 186 | :function:::int:check_mt_hilo:hilo_history *history |
| 187 | *mips32: |
| 188 | *mips64: |
| 189 | *r3900: |
| 190 | { |
| 191 | signed64 time = sim_events_time (SD); |
| 192 | history->mt.timestamp = time; |
| 193 | history->mt.cia = CIA; |
| 194 | return 1; |
| 195 | } |
| 196 | |
| 197 | |
| 198 | :function:::int:check_mf_hilo:hilo_history *history, hilo_history *peer |
| 199 | *mipsI: |
| 200 | *mipsII: |
| 201 | *mipsIII: |
| 202 | *mipsIV: |
| 203 | *mipsV: |
| 204 | *mips32: |
| 205 | *mips64: |
| 206 | *vr4100: |
| 207 | *vr5000: |
| 208 | *r3900: |
| 209 | { |
| 210 | signed64 time = sim_events_time (SD); |
| 211 | int ok = 1; |
| 212 | if (peer != NULL |
| 213 | && peer->mt.timestamp > history->op.timestamp |
| 214 | && history->mt.timestamp < history->op.timestamp |
| 215 | && ! (history->mf.timestamp > history->op.timestamp |
| 216 | && history->mf.timestamp < peer->mt.timestamp) |
| 217 | && ! (peer->mf.timestamp > history->op.timestamp |
| 218 | && peer->mf.timestamp < peer->mt.timestamp)) |
| 219 | { |
| 220 | /* The peer has been written to since the last OP yet we have |
| 221 | not */ |
| 222 | sim_engine_abort (SD, CPU, CIA, "HILO: %s: MF at 0x%08lx following OP at 0x%08lx corrupted by MT at 0x%08lx\n", |
| 223 | itable[MY_INDEX].name, |
| 224 | (long) CIA, |
| 225 | (long) history->op.cia, |
| 226 | (long) peer->mt.cia); |
| 227 | ok = 0; |
| 228 | } |
| 229 | history->mf.timestamp = time; |
| 230 | history->mf.cia = CIA; |
| 231 | return ok; |
| 232 | } |
| 233 | |
| 234 | |
| 235 | |
| 236 | :function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo |
| 237 | *mipsI: |
| 238 | *mipsII: |
| 239 | *mipsIII: |
| 240 | *mipsIV: |
| 241 | *mipsV: |
| 242 | *vr4100: |
| 243 | *vr5000: |
| 244 | { |
| 245 | signed64 time = sim_events_time (SD); |
| 246 | int ok = (check_mf_cycles (SD_, hi, time, "OP") |
| 247 | && check_mf_cycles (SD_, lo, time, "OP")); |
| 248 | hi->op.timestamp = time; |
| 249 | lo->op.timestamp = time; |
| 250 | hi->op.cia = CIA; |
| 251 | lo->op.cia = CIA; |
| 252 | return ok; |
| 253 | } |
| 254 | |
| 255 | // The r3900 mult and multu insns _can_ be exectuted immediatly after |
| 256 | // a mf{hi,lo} |
| 257 | :function:::int:check_mult_hilo:hilo_history *hi, hilo_history *lo |
| 258 | *mips32: |
| 259 | *mips64: |
| 260 | *r3900: |
| 261 | { |
| 262 | /* FIXME: could record the fact that a stall occured if we want */ |
| 263 | signed64 time = sim_events_time (SD); |
| 264 | hi->op.timestamp = time; |
| 265 | lo->op.timestamp = time; |
| 266 | hi->op.cia = CIA; |
| 267 | lo->op.cia = CIA; |
| 268 | return 1; |
| 269 | } |
| 270 | |
| 271 | |
| 272 | :function:::int:check_div_hilo:hilo_history *hi, hilo_history *lo |
| 273 | *mipsI: |
| 274 | *mipsII: |
| 275 | *mipsIII: |
| 276 | *mipsIV: |
| 277 | *mipsV: |
| 278 | *mips32: |
| 279 | *mips64: |
| 280 | *vr4100: |
| 281 | *vr5000: |
| 282 | *r3900: |
| 283 | { |
| 284 | signed64 time = sim_events_time (SD); |
| 285 | int ok = (check_mf_cycles (SD_, hi, time, "OP") |
| 286 | && check_mf_cycles (SD_, lo, time, "OP")); |
| 287 | hi->op.timestamp = time; |
| 288 | lo->op.timestamp = time; |
| 289 | hi->op.cia = CIA; |
| 290 | lo->op.cia = CIA; |
| 291 | return ok; |
| 292 | } |
| 293 | |
| 294 | |
| 295 | // Helper: |
| 296 | // |
| 297 | // Check that the 64-bit instruction can currently be used, and signal |
| 298 | // a ReservedInstruction exception if not. |
| 299 | // |
| 300 | |
| 301 | :function:::void:check_u64:instruction_word insn |
| 302 | *mipsIII: |
| 303 | *mipsIV: |
| 304 | *mipsV: |
| 305 | *vr4100: |
| 306 | *vr5000: |
| 307 | { |
| 308 | // The check should be similar to mips64 for any with PX/UX bit equivalents. |
| 309 | } |
| 310 | |
| 311 | :function:::void:check_u64:instruction_word insn |
| 312 | *mips64: |
| 313 | { |
| 314 | #if 0 /* XXX FIXME: enable this only after some additional testing. */ |
| 315 | if (UserMode && (SR & (status_UX|status_PX)) == 0) |
| 316 | SignalException (ReservedInstruction, insn); |
| 317 | #endif |
| 318 | } |
| 319 | |
| 320 | |
| 321 | |
| 322 | // |
| 323 | // MIPS Architecture: |
| 324 | // |
| 325 | // CPU Instruction Set (mipsI - mipsV, mips32, mips64) |
| 326 | // |
| 327 | |
| 328 | |
| 329 | |
| 330 | 000000,5.RS,5.RT,5.RD,00000,100000:SPECIAL:32::ADD |
| 331 | "add r<RD>, r<RS>, r<RT>" |
| 332 | *mipsI: |
| 333 | *mipsII: |
| 334 | *mipsIII: |
| 335 | *mipsIV: |
| 336 | *mipsV: |
| 337 | *mips32: |
| 338 | *mips64: |
| 339 | *vr4100: |
| 340 | *vr5000: |
| 341 | *r3900: |
| 342 | { |
| 343 | TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]); |
| 344 | { |
| 345 | ALU32_BEGIN (GPR[RS]); |
| 346 | ALU32_ADD (GPR[RT]); |
| 347 | ALU32_END (GPR[RD]); /* This checks for overflow. */ |
| 348 | } |
| 349 | TRACE_ALU_RESULT (GPR[RD]); |
| 350 | } |
| 351 | |
| 352 | |
| 353 | |
| 354 | 001000,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDI |
| 355 | "addi r<RT>, r<RS>, <IMMEDIATE>" |
| 356 | *mipsI: |
| 357 | *mipsII: |
| 358 | *mipsIII: |
| 359 | *mipsIV: |
| 360 | *mipsV: |
| 361 | *mips32: |
| 362 | *mips64: |
| 363 | *vr4100: |
| 364 | *vr5000: |
| 365 | *r3900: |
| 366 | { |
| 367 | TRACE_ALU_INPUT2 (GPR[RS], EXTEND16 (IMMEDIATE)); |
| 368 | { |
| 369 | ALU32_BEGIN (GPR[RS]); |
| 370 | ALU32_ADD (EXTEND16 (IMMEDIATE)); |
| 371 | ALU32_END (GPR[RT]); /* This checks for overflow. */ |
| 372 | } |
| 373 | TRACE_ALU_RESULT (GPR[RT]); |
| 374 | } |
| 375 | |
| 376 | |
| 377 | |
| 378 | :function:::void:do_addiu:int rs, int rt, unsigned16 immediate |
| 379 | { |
| 380 | TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate)); |
| 381 | GPR[rt] = EXTEND32 (GPR[rs] + EXTEND16 (immediate)); |
| 382 | TRACE_ALU_RESULT (GPR[rt]); |
| 383 | } |
| 384 | |
| 385 | 001001,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ADDIU |
| 386 | "addiu r<RT>, r<RS>, <IMMEDIATE>" |
| 387 | *mipsI: |
| 388 | *mipsII: |
| 389 | *mipsIII: |
| 390 | *mipsIV: |
| 391 | *mipsV: |
| 392 | *mips32: |
| 393 | *mips64: |
| 394 | *vr4100: |
| 395 | *vr5000: |
| 396 | *r3900: |
| 397 | { |
| 398 | do_addiu (SD_, RS, RT, IMMEDIATE); |
| 399 | } |
| 400 | |
| 401 | |
| 402 | |
| 403 | :function:::void:do_addu:int rs, int rt, int rd |
| 404 | { |
| 405 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 406 | GPR[rd] = EXTEND32 (GPR[rs] + GPR[rt]); |
| 407 | TRACE_ALU_RESULT (GPR[rd]); |
| 408 | } |
| 409 | |
| 410 | 000000,5.RS,5.RT,5.RD,00000,100001:SPECIAL:32::ADDU |
| 411 | "addu r<RD>, r<RS>, r<RT>" |
| 412 | *mipsI: |
| 413 | *mipsII: |
| 414 | *mipsIII: |
| 415 | *mipsIV: |
| 416 | *mipsV: |
| 417 | *mips32: |
| 418 | *mips64: |
| 419 | *vr4100: |
| 420 | *vr5000: |
| 421 | *r3900: |
| 422 | { |
| 423 | do_addu (SD_, RS, RT, RD); |
| 424 | } |
| 425 | |
| 426 | |
| 427 | |
| 428 | :function:::void:do_and:int rs, int rt, int rd |
| 429 | { |
| 430 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 431 | GPR[rd] = GPR[rs] & GPR[rt]; |
| 432 | TRACE_ALU_RESULT (GPR[rd]); |
| 433 | } |
| 434 | |
| 435 | 000000,5.RS,5.RT,5.RD,00000,100100:SPECIAL:32::AND |
| 436 | "and r<RD>, r<RS>, r<RT>" |
| 437 | *mipsI: |
| 438 | *mipsII: |
| 439 | *mipsIII: |
| 440 | *mipsIV: |
| 441 | *mipsV: |
| 442 | *mips32: |
| 443 | *mips64: |
| 444 | *vr4100: |
| 445 | *vr5000: |
| 446 | *r3900: |
| 447 | { |
| 448 | do_and (SD_, RS, RT, RD); |
| 449 | } |
| 450 | |
| 451 | |
| 452 | |
| 453 | 001100,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ANDI |
| 454 | "andi r<RT>, r<RS>, %#lx<IMMEDIATE>" |
| 455 | *mipsI: |
| 456 | *mipsII: |
| 457 | *mipsIII: |
| 458 | *mipsIV: |
| 459 | *mipsV: |
| 460 | *mips32: |
| 461 | *mips64: |
| 462 | *vr4100: |
| 463 | *vr5000: |
| 464 | *r3900: |
| 465 | { |
| 466 | TRACE_ALU_INPUT2 (GPR[RS], IMMEDIATE); |
| 467 | GPR[RT] = GPR[RS] & IMMEDIATE; |
| 468 | TRACE_ALU_RESULT (GPR[RT]); |
| 469 | } |
| 470 | |
| 471 | |
| 472 | |
| 473 | 000100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQ |
| 474 | "beq r<RS>, r<RT>, <OFFSET>" |
| 475 | *mipsI: |
| 476 | *mipsII: |
| 477 | *mipsIII: |
| 478 | *mipsIV: |
| 479 | *mipsV: |
| 480 | *mips32: |
| 481 | *mips64: |
| 482 | *vr4100: |
| 483 | *vr5000: |
| 484 | *r3900: |
| 485 | { |
| 486 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 487 | check_branch_bug (); |
| 488 | if ((signed_word) GPR[RS] == (signed_word) GPR[RT]) |
| 489 | { |
| 490 | mark_branch_bug (NIA+offset); |
| 491 | DELAY_SLOT (NIA + offset); |
| 492 | } |
| 493 | } |
| 494 | |
| 495 | |
| 496 | |
| 497 | 010100,5.RS,5.RT,16.OFFSET:NORMAL:32::BEQL |
| 498 | "beql r<RS>, r<RT>, <OFFSET>" |
| 499 | *mipsII: |
| 500 | *mipsIII: |
| 501 | *mipsIV: |
| 502 | *mipsV: |
| 503 | *mips32: |
| 504 | *mips64: |
| 505 | *vr4100: |
| 506 | *vr5000: |
| 507 | *r3900: |
| 508 | { |
| 509 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 510 | check_branch_bug (); |
| 511 | if ((signed_word) GPR[RS] == (signed_word) GPR[RT]) |
| 512 | { |
| 513 | mark_branch_bug (NIA+offset); |
| 514 | DELAY_SLOT (NIA + offset); |
| 515 | } |
| 516 | else |
| 517 | NULLIFY_NEXT_INSTRUCTION (); |
| 518 | } |
| 519 | |
| 520 | |
| 521 | |
| 522 | 000001,5.RS,00001,16.OFFSET:REGIMM:32::BGEZ |
| 523 | "bgez r<RS>, <OFFSET>" |
| 524 | *mipsI: |
| 525 | *mipsII: |
| 526 | *mipsIII: |
| 527 | *mipsIV: |
| 528 | *mipsV: |
| 529 | *mips32: |
| 530 | *mips64: |
| 531 | *vr4100: |
| 532 | *vr5000: |
| 533 | *r3900: |
| 534 | { |
| 535 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 536 | check_branch_bug (); |
| 537 | if ((signed_word) GPR[RS] >= 0) |
| 538 | { |
| 539 | mark_branch_bug (NIA+offset); |
| 540 | DELAY_SLOT (NIA + offset); |
| 541 | } |
| 542 | } |
| 543 | |
| 544 | |
| 545 | |
| 546 | 000001,5.RS!31,10001,16.OFFSET:REGIMM:32::BGEZAL |
| 547 | "bgezal r<RS>, <OFFSET>" |
| 548 | *mipsI: |
| 549 | *mipsII: |
| 550 | *mipsIII: |
| 551 | *mipsIV: |
| 552 | *mipsV: |
| 553 | *mips32: |
| 554 | *mips64: |
| 555 | *vr4100: |
| 556 | *vr5000: |
| 557 | *r3900: |
| 558 | { |
| 559 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 560 | check_branch_bug (); |
| 561 | RA = (CIA + 8); |
| 562 | if ((signed_word) GPR[RS] >= 0) |
| 563 | { |
| 564 | mark_branch_bug (NIA+offset); |
| 565 | DELAY_SLOT (NIA + offset); |
| 566 | } |
| 567 | } |
| 568 | |
| 569 | |
| 570 | |
| 571 | 000001,5.RS!31,10011,16.OFFSET:REGIMM:32::BGEZALL |
| 572 | "bgezall r<RS>, <OFFSET>" |
| 573 | *mipsII: |
| 574 | *mipsIII: |
| 575 | *mipsIV: |
| 576 | *mipsV: |
| 577 | *mips32: |
| 578 | *mips64: |
| 579 | *vr4100: |
| 580 | *vr5000: |
| 581 | *r3900: |
| 582 | { |
| 583 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 584 | check_branch_bug (); |
| 585 | RA = (CIA + 8); |
| 586 | /* NOTE: The branch occurs AFTER the next instruction has been |
| 587 | executed */ |
| 588 | if ((signed_word) GPR[RS] >= 0) |
| 589 | { |
| 590 | mark_branch_bug (NIA+offset); |
| 591 | DELAY_SLOT (NIA + offset); |
| 592 | } |
| 593 | else |
| 594 | NULLIFY_NEXT_INSTRUCTION (); |
| 595 | } |
| 596 | |
| 597 | |
| 598 | |
| 599 | 000001,5.RS,00011,16.OFFSET:REGIMM:32::BGEZL |
| 600 | "bgezl r<RS>, <OFFSET>" |
| 601 | *mipsII: |
| 602 | *mipsIII: |
| 603 | *mipsIV: |
| 604 | *mipsV: |
| 605 | *mips32: |
| 606 | *mips64: |
| 607 | *vr4100: |
| 608 | *vr5000: |
| 609 | *r3900: |
| 610 | { |
| 611 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 612 | check_branch_bug (); |
| 613 | if ((signed_word) GPR[RS] >= 0) |
| 614 | { |
| 615 | mark_branch_bug (NIA+offset); |
| 616 | DELAY_SLOT (NIA + offset); |
| 617 | } |
| 618 | else |
| 619 | NULLIFY_NEXT_INSTRUCTION (); |
| 620 | } |
| 621 | |
| 622 | |
| 623 | |
| 624 | 000111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZ |
| 625 | "bgtz r<RS>, <OFFSET>" |
| 626 | *mipsI: |
| 627 | *mipsII: |
| 628 | *mipsIII: |
| 629 | *mipsIV: |
| 630 | *mipsV: |
| 631 | *mips32: |
| 632 | *mips64: |
| 633 | *vr4100: |
| 634 | *vr5000: |
| 635 | *r3900: |
| 636 | { |
| 637 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 638 | check_branch_bug (); |
| 639 | if ((signed_word) GPR[RS] > 0) |
| 640 | { |
| 641 | mark_branch_bug (NIA+offset); |
| 642 | DELAY_SLOT (NIA + offset); |
| 643 | } |
| 644 | } |
| 645 | |
| 646 | |
| 647 | |
| 648 | 010111,5.RS,00000,16.OFFSET:NORMAL:32::BGTZL |
| 649 | "bgtzl r<RS>, <OFFSET>" |
| 650 | *mipsII: |
| 651 | *mipsIII: |
| 652 | *mipsIV: |
| 653 | *mipsV: |
| 654 | *mips32: |
| 655 | *mips64: |
| 656 | *vr4100: |
| 657 | *vr5000: |
| 658 | *r3900: |
| 659 | { |
| 660 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 661 | check_branch_bug (); |
| 662 | /* NOTE: The branch occurs AFTER the next instruction has been |
| 663 | executed */ |
| 664 | if ((signed_word) GPR[RS] > 0) |
| 665 | { |
| 666 | mark_branch_bug (NIA+offset); |
| 667 | DELAY_SLOT (NIA + offset); |
| 668 | } |
| 669 | else |
| 670 | NULLIFY_NEXT_INSTRUCTION (); |
| 671 | } |
| 672 | |
| 673 | |
| 674 | |
| 675 | 000110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZ |
| 676 | "blez r<RS>, <OFFSET>" |
| 677 | *mipsI: |
| 678 | *mipsII: |
| 679 | *mipsIII: |
| 680 | *mipsIV: |
| 681 | *mipsV: |
| 682 | *mips32: |
| 683 | *mips64: |
| 684 | *vr4100: |
| 685 | *vr5000: |
| 686 | *r3900: |
| 687 | { |
| 688 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 689 | check_branch_bug (); |
| 690 | /* NOTE: The branch occurs AFTER the next instruction has been |
| 691 | executed */ |
| 692 | if ((signed_word) GPR[RS] <= 0) |
| 693 | { |
| 694 | mark_branch_bug (NIA+offset); |
| 695 | DELAY_SLOT (NIA + offset); |
| 696 | } |
| 697 | } |
| 698 | |
| 699 | |
| 700 | |
| 701 | 010110,5.RS,00000,16.OFFSET:NORMAL:32::BLEZL |
| 702 | "bgezl r<RS>, <OFFSET>" |
| 703 | *mipsII: |
| 704 | *mipsIII: |
| 705 | *mipsIV: |
| 706 | *mipsV: |
| 707 | *mips32: |
| 708 | *mips64: |
| 709 | *vr4100: |
| 710 | *vr5000: |
| 711 | *r3900: |
| 712 | { |
| 713 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 714 | check_branch_bug (); |
| 715 | if ((signed_word) GPR[RS] <= 0) |
| 716 | { |
| 717 | mark_branch_bug (NIA+offset); |
| 718 | DELAY_SLOT (NIA + offset); |
| 719 | } |
| 720 | else |
| 721 | NULLIFY_NEXT_INSTRUCTION (); |
| 722 | } |
| 723 | |
| 724 | |
| 725 | |
| 726 | 000001,5.RS,00000,16.OFFSET:REGIMM:32::BLTZ |
| 727 | "bltz r<RS>, <OFFSET>" |
| 728 | *mipsI: |
| 729 | *mipsII: |
| 730 | *mipsIII: |
| 731 | *mipsIV: |
| 732 | *mipsV: |
| 733 | *mips32: |
| 734 | *mips64: |
| 735 | *vr4100: |
| 736 | *vr5000: |
| 737 | *r3900: |
| 738 | { |
| 739 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 740 | check_branch_bug (); |
| 741 | if ((signed_word) GPR[RS] < 0) |
| 742 | { |
| 743 | mark_branch_bug (NIA+offset); |
| 744 | DELAY_SLOT (NIA + offset); |
| 745 | } |
| 746 | } |
| 747 | |
| 748 | |
| 749 | |
| 750 | 000001,5.RS!31,10000,16.OFFSET:REGIMM:32::BLTZAL |
| 751 | "bltzal r<RS>, <OFFSET>" |
| 752 | *mipsI: |
| 753 | *mipsII: |
| 754 | *mipsIII: |
| 755 | *mipsIV: |
| 756 | *mipsV: |
| 757 | *mips32: |
| 758 | *mips64: |
| 759 | *vr4100: |
| 760 | *vr5000: |
| 761 | *r3900: |
| 762 | { |
| 763 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 764 | check_branch_bug (); |
| 765 | RA = (CIA + 8); |
| 766 | /* NOTE: The branch occurs AFTER the next instruction has been |
| 767 | executed */ |
| 768 | if ((signed_word) GPR[RS] < 0) |
| 769 | { |
| 770 | mark_branch_bug (NIA+offset); |
| 771 | DELAY_SLOT (NIA + offset); |
| 772 | } |
| 773 | } |
| 774 | |
| 775 | |
| 776 | |
| 777 | 000001,5.RS!31,10010,16.OFFSET:REGIMM:32::BLTZALL |
| 778 | "bltzall r<RS>, <OFFSET>" |
| 779 | *mipsII: |
| 780 | *mipsIII: |
| 781 | *mipsIV: |
| 782 | *mipsV: |
| 783 | *mips32: |
| 784 | *mips64: |
| 785 | *vr4100: |
| 786 | *vr5000: |
| 787 | *r3900: |
| 788 | { |
| 789 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 790 | check_branch_bug (); |
| 791 | RA = (CIA + 8); |
| 792 | if ((signed_word) GPR[RS] < 0) |
| 793 | { |
| 794 | mark_branch_bug (NIA+offset); |
| 795 | DELAY_SLOT (NIA + offset); |
| 796 | } |
| 797 | else |
| 798 | NULLIFY_NEXT_INSTRUCTION (); |
| 799 | } |
| 800 | |
| 801 | |
| 802 | |
| 803 | 000001,5.RS,00010,16.OFFSET:REGIMM:32::BLTZL |
| 804 | "bltzl r<RS>, <OFFSET>" |
| 805 | *mipsII: |
| 806 | *mipsIII: |
| 807 | *mipsIV: |
| 808 | *mipsV: |
| 809 | *mips32: |
| 810 | *mips64: |
| 811 | *vr4100: |
| 812 | *vr5000: |
| 813 | *r3900: |
| 814 | { |
| 815 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 816 | check_branch_bug (); |
| 817 | /* NOTE: The branch occurs AFTER the next instruction has been |
| 818 | executed */ |
| 819 | if ((signed_word) GPR[RS] < 0) |
| 820 | { |
| 821 | mark_branch_bug (NIA+offset); |
| 822 | DELAY_SLOT (NIA + offset); |
| 823 | } |
| 824 | else |
| 825 | NULLIFY_NEXT_INSTRUCTION (); |
| 826 | } |
| 827 | |
| 828 | |
| 829 | |
| 830 | 000101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNE |
| 831 | "bne r<RS>, r<RT>, <OFFSET>" |
| 832 | *mipsI: |
| 833 | *mipsII: |
| 834 | *mipsIII: |
| 835 | *mipsIV: |
| 836 | *mipsV: |
| 837 | *mips32: |
| 838 | *mips64: |
| 839 | *vr4100: |
| 840 | *vr5000: |
| 841 | *r3900: |
| 842 | { |
| 843 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 844 | check_branch_bug (); |
| 845 | if ((signed_word) GPR[RS] != (signed_word) GPR[RT]) |
| 846 | { |
| 847 | mark_branch_bug (NIA+offset); |
| 848 | DELAY_SLOT (NIA + offset); |
| 849 | } |
| 850 | } |
| 851 | |
| 852 | |
| 853 | |
| 854 | 010101,5.RS,5.RT,16.OFFSET:NORMAL:32::BNEL |
| 855 | "bnel r<RS>, r<RT>, <OFFSET>" |
| 856 | *mipsII: |
| 857 | *mipsIII: |
| 858 | *mipsIV: |
| 859 | *mipsV: |
| 860 | *mips32: |
| 861 | *mips64: |
| 862 | *vr4100: |
| 863 | *vr5000: |
| 864 | *r3900: |
| 865 | { |
| 866 | address_word offset = EXTEND16 (OFFSET) << 2; |
| 867 | check_branch_bug (); |
| 868 | if ((signed_word) GPR[RS] != (signed_word) GPR[RT]) |
| 869 | { |
| 870 | mark_branch_bug (NIA+offset); |
| 871 | DELAY_SLOT (NIA + offset); |
| 872 | } |
| 873 | else |
| 874 | NULLIFY_NEXT_INSTRUCTION (); |
| 875 | } |
| 876 | |
| 877 | |
| 878 | |
| 879 | 000000,20.CODE,001101:SPECIAL:32::BREAK |
| 880 | "break %#lx<CODE>" |
| 881 | *mipsI: |
| 882 | *mipsII: |
| 883 | *mipsIII: |
| 884 | *mipsIV: |
| 885 | *mipsV: |
| 886 | *mips32: |
| 887 | *mips64: |
| 888 | *vr4100: |
| 889 | *vr5000: |
| 890 | *r3900: |
| 891 | { |
| 892 | /* Check for some break instruction which are reserved for use by the simulator. */ |
| 893 | unsigned int break_code = instruction_0 & HALT_INSTRUCTION_MASK; |
| 894 | if (break_code == (HALT_INSTRUCTION & HALT_INSTRUCTION_MASK) || |
| 895 | break_code == (HALT_INSTRUCTION2 & HALT_INSTRUCTION_MASK)) |
| 896 | { |
| 897 | sim_engine_halt (SD, CPU, NULL, cia, |
| 898 | sim_exited, (unsigned int)(A0 & 0xFFFFFFFF)); |
| 899 | } |
| 900 | else if (break_code == (BREAKPOINT_INSTRUCTION & HALT_INSTRUCTION_MASK) || |
| 901 | break_code == (BREAKPOINT_INSTRUCTION2 & HALT_INSTRUCTION_MASK)) |
| 902 | { |
| 903 | if (STATE & simDELAYSLOT) |
| 904 | PC = cia - 4; /* reference the branch instruction */ |
| 905 | else |
| 906 | PC = cia; |
| 907 | SignalException (BreakPoint, instruction_0); |
| 908 | } |
| 909 | |
| 910 | else |
| 911 | { |
| 912 | /* If we get this far, we're not an instruction reserved by the sim. Raise |
| 913 | the exception. */ |
| 914 | SignalException (BreakPoint, instruction_0); |
| 915 | } |
| 916 | } |
| 917 | |
| 918 | |
| 919 | |
| 920 | 011100,5.RS,5.RT,5.RD,00000,100001:SPECIAL2:32::CLO |
| 921 | "clo r<RD>, r<RS>" |
| 922 | *mips32: |
| 923 | *mips64: |
| 924 | { |
| 925 | unsigned32 temp = GPR[RS]; |
| 926 | unsigned32 i, mask; |
| 927 | if (RT != RD) |
| 928 | Unpredictable (); |
| 929 | TRACE_ALU_INPUT1 (GPR[RS]); |
| 930 | for (mask = ((unsigned32)1<<31), i = 0; i < 32; ++i) |
| 931 | { |
| 932 | if ((temp & mask) == 0) |
| 933 | break; |
| 934 | mask >>= 1; |
| 935 | } |
| 936 | GPR[RD] = EXTEND32 (i); |
| 937 | TRACE_ALU_RESULT (GPR[RD]); |
| 938 | } |
| 939 | |
| 940 | |
| 941 | |
| 942 | 011100,5.RS,5.RT,5.RD,00000,100000:SPECIAL2:32::CLZ |
| 943 | "clz r<RD>, r<RS>" |
| 944 | *mips32: |
| 945 | *mips64: |
| 946 | { |
| 947 | unsigned32 temp = GPR[RS]; |
| 948 | unsigned32 i, mask; |
| 949 | if (RT != RD) |
| 950 | Unpredictable (); |
| 951 | TRACE_ALU_INPUT1 (GPR[RS]); |
| 952 | for (mask = ((unsigned32)1<<31), i = 0; i < 32; ++i) |
| 953 | { |
| 954 | if ((temp & mask) != 0) |
| 955 | break; |
| 956 | mask >>= 1; |
| 957 | } |
| 958 | GPR[RD] = EXTEND32 (i); |
| 959 | TRACE_ALU_RESULT (GPR[RD]); |
| 960 | } |
| 961 | |
| 962 | |
| 963 | |
| 964 | 000000,5.RS,5.RT,5.RD,00000,101100:SPECIAL:64::DADD |
| 965 | "dadd r<RD>, r<RS>, r<RT>" |
| 966 | *mipsIII: |
| 967 | *mipsIV: |
| 968 | *mipsV: |
| 969 | *mips64: |
| 970 | *vr4100: |
| 971 | *vr5000: |
| 972 | { |
| 973 | check_u64 (SD_, instruction_0); |
| 974 | TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]); |
| 975 | { |
| 976 | ALU64_BEGIN (GPR[RS]); |
| 977 | ALU64_ADD (GPR[RT]); |
| 978 | ALU64_END (GPR[RD]); /* This checks for overflow. */ |
| 979 | } |
| 980 | TRACE_ALU_RESULT (GPR[RD]); |
| 981 | } |
| 982 | |
| 983 | |
| 984 | |
| 985 | 011000,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDI |
| 986 | "daddi r<RT>, r<RS>, <IMMEDIATE>" |
| 987 | *mipsIII: |
| 988 | *mipsIV: |
| 989 | *mipsV: |
| 990 | *mips64: |
| 991 | *vr4100: |
| 992 | *vr5000: |
| 993 | { |
| 994 | check_u64 (SD_, instruction_0); |
| 995 | TRACE_ALU_INPUT2 (GPR[RS], EXTEND16 (IMMEDIATE)); |
| 996 | { |
| 997 | ALU64_BEGIN (GPR[RS]); |
| 998 | ALU64_ADD (EXTEND16 (IMMEDIATE)); |
| 999 | ALU64_END (GPR[RT]); /* This checks for overflow. */ |
| 1000 | } |
| 1001 | TRACE_ALU_RESULT (GPR[RT]); |
| 1002 | } |
| 1003 | |
| 1004 | |
| 1005 | |
| 1006 | :function:::void:do_daddiu:int rs, int rt, unsigned16 immediate |
| 1007 | { |
| 1008 | TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate)); |
| 1009 | GPR[rt] = GPR[rs] + EXTEND16 (immediate); |
| 1010 | TRACE_ALU_RESULT (GPR[rt]); |
| 1011 | } |
| 1012 | |
| 1013 | 011001,5.RS,5.RT,16.IMMEDIATE:NORMAL:64::DADDIU |
| 1014 | "daddiu r<RT>, r<RS>, <IMMEDIATE>" |
| 1015 | *mipsIII: |
| 1016 | *mipsIV: |
| 1017 | *mipsV: |
| 1018 | *mips64: |
| 1019 | *vr4100: |
| 1020 | *vr5000: |
| 1021 | { |
| 1022 | check_u64 (SD_, instruction_0); |
| 1023 | do_daddiu (SD_, RS, RT, IMMEDIATE); |
| 1024 | } |
| 1025 | |
| 1026 | |
| 1027 | |
| 1028 | :function:::void:do_daddu:int rs, int rt, int rd |
| 1029 | { |
| 1030 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 1031 | GPR[rd] = GPR[rs] + GPR[rt]; |
| 1032 | TRACE_ALU_RESULT (GPR[rd]); |
| 1033 | } |
| 1034 | |
| 1035 | 000000,5.RS,5.RT,5.RD,00000,101101:SPECIAL:64::DADDU |
| 1036 | "daddu r<RD>, r<RS>, r<RT>" |
| 1037 | *mipsIII: |
| 1038 | *mipsIV: |
| 1039 | *mipsV: |
| 1040 | *mips64: |
| 1041 | *vr4100: |
| 1042 | *vr5000: |
| 1043 | { |
| 1044 | check_u64 (SD_, instruction_0); |
| 1045 | do_daddu (SD_, RS, RT, RD); |
| 1046 | } |
| 1047 | |
| 1048 | |
| 1049 | |
| 1050 | 011100,5.RS,5.RT,5.RD,00000,100101:SPECIAL2:64::DCLO |
| 1051 | "dclo r<RD>, r<RS>" |
| 1052 | *mips64: |
| 1053 | { |
| 1054 | unsigned64 temp = GPR[RS]; |
| 1055 | unsigned32 i; |
| 1056 | unsigned64 mask; |
| 1057 | check_u64 (SD_, instruction_0); |
| 1058 | if (RT != RD) |
| 1059 | Unpredictable (); |
| 1060 | TRACE_ALU_INPUT1 (GPR[RS]); |
| 1061 | for (mask = ((unsigned64)1<<63), i = 0; i < 64; ++i) |
| 1062 | { |
| 1063 | if ((temp & mask) == 0) |
| 1064 | break; |
| 1065 | mask >>= 1; |
| 1066 | } |
| 1067 | GPR[RD] = EXTEND32 (i); |
| 1068 | TRACE_ALU_RESULT (GPR[RD]); |
| 1069 | } |
| 1070 | |
| 1071 | |
| 1072 | |
| 1073 | 011100,5.RS,5.RT,5.RD,00000,100100:SPECIAL2:64::DCLZ |
| 1074 | "dclz r<RD>, r<RS>" |
| 1075 | *mips64: |
| 1076 | { |
| 1077 | unsigned64 temp = GPR[RS]; |
| 1078 | unsigned32 i; |
| 1079 | unsigned64 mask; |
| 1080 | check_u64 (SD_, instruction_0); |
| 1081 | if (RT != RD) |
| 1082 | Unpredictable (); |
| 1083 | TRACE_ALU_INPUT1 (GPR[RS]); |
| 1084 | for (mask = ((unsigned64)1<<63), i = 0; i < 64; ++i) |
| 1085 | { |
| 1086 | if ((temp & mask) != 0) |
| 1087 | break; |
| 1088 | mask >>= 1; |
| 1089 | } |
| 1090 | GPR[RD] = EXTEND32 (i); |
| 1091 | TRACE_ALU_RESULT (GPR[RD]); |
| 1092 | } |
| 1093 | |
| 1094 | |
| 1095 | |
| 1096 | :function:::void:do_ddiv:int rs, int rt |
| 1097 | { |
| 1098 | check_div_hilo (SD_, HIHISTORY, LOHISTORY); |
| 1099 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 1100 | { |
| 1101 | signed64 n = GPR[rs]; |
| 1102 | signed64 d = GPR[rt]; |
| 1103 | signed64 hi; |
| 1104 | signed64 lo; |
| 1105 | if (d == 0) |
| 1106 | { |
| 1107 | lo = SIGNED64 (0x8000000000000000); |
| 1108 | hi = 0; |
| 1109 | } |
| 1110 | else if (d == -1 && n == SIGNED64 (0x8000000000000000)) |
| 1111 | { |
| 1112 | lo = SIGNED64 (0x8000000000000000); |
| 1113 | hi = 0; |
| 1114 | } |
| 1115 | else |
| 1116 | { |
| 1117 | lo = (n / d); |
| 1118 | hi = (n % d); |
| 1119 | } |
| 1120 | HI = hi; |
| 1121 | LO = lo; |
| 1122 | } |
| 1123 | TRACE_ALU_RESULT2 (HI, LO); |
| 1124 | } |
| 1125 | |
| 1126 | 000000,5.RS,5.RT,0000000000,011110:SPECIAL:64::DDIV |
| 1127 | "ddiv r<RS>, r<RT>" |
| 1128 | *mipsIII: |
| 1129 | *mipsIV: |
| 1130 | *mipsV: |
| 1131 | *mips64: |
| 1132 | *vr4100: |
| 1133 | *vr5000: |
| 1134 | { |
| 1135 | check_u64 (SD_, instruction_0); |
| 1136 | do_ddiv (SD_, RS, RT); |
| 1137 | } |
| 1138 | |
| 1139 | |
| 1140 | |
| 1141 | :function:::void:do_ddivu:int rs, int rt |
| 1142 | { |
| 1143 | check_div_hilo (SD_, HIHISTORY, LOHISTORY); |
| 1144 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 1145 | { |
| 1146 | unsigned64 n = GPR[rs]; |
| 1147 | unsigned64 d = GPR[rt]; |
| 1148 | unsigned64 hi; |
| 1149 | unsigned64 lo; |
| 1150 | if (d == 0) |
| 1151 | { |
| 1152 | lo = SIGNED64 (0x8000000000000000); |
| 1153 | hi = 0; |
| 1154 | } |
| 1155 | else |
| 1156 | { |
| 1157 | lo = (n / d); |
| 1158 | hi = (n % d); |
| 1159 | } |
| 1160 | HI = hi; |
| 1161 | LO = lo; |
| 1162 | } |
| 1163 | TRACE_ALU_RESULT2 (HI, LO); |
| 1164 | } |
| 1165 | |
| 1166 | 000000,5.RS,5.RT,0000000000,011111:SPECIAL:64::DDIVU |
| 1167 | "ddivu r<RS>, r<RT>" |
| 1168 | *mipsIII: |
| 1169 | *mipsIV: |
| 1170 | *mipsV: |
| 1171 | *mips64: |
| 1172 | *vr4100: |
| 1173 | *vr5000: |
| 1174 | { |
| 1175 | check_u64 (SD_, instruction_0); |
| 1176 | do_ddivu (SD_, RS, RT); |
| 1177 | } |
| 1178 | |
| 1179 | |
| 1180 | |
| 1181 | :function:::void:do_div:int rs, int rt |
| 1182 | { |
| 1183 | check_div_hilo (SD_, HIHISTORY, LOHISTORY); |
| 1184 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 1185 | { |
| 1186 | signed32 n = GPR[rs]; |
| 1187 | signed32 d = GPR[rt]; |
| 1188 | if (d == 0) |
| 1189 | { |
| 1190 | LO = EXTEND32 (0x80000000); |
| 1191 | HI = EXTEND32 (0); |
| 1192 | } |
| 1193 | else if (n == SIGNED32 (0x80000000) && d == -1) |
| 1194 | { |
| 1195 | LO = EXTEND32 (0x80000000); |
| 1196 | HI = EXTEND32 (0); |
| 1197 | } |
| 1198 | else |
| 1199 | { |
| 1200 | LO = EXTEND32 (n / d); |
| 1201 | HI = EXTEND32 (n % d); |
| 1202 | } |
| 1203 | } |
| 1204 | TRACE_ALU_RESULT2 (HI, LO); |
| 1205 | } |
| 1206 | |
| 1207 | 000000,5.RS,5.RT,0000000000,011010:SPECIAL:32::DIV |
| 1208 | "div r<RS>, r<RT>" |
| 1209 | *mipsI: |
| 1210 | *mipsII: |
| 1211 | *mipsIII: |
| 1212 | *mipsIV: |
| 1213 | *mipsV: |
| 1214 | *mips32: |
| 1215 | *mips64: |
| 1216 | *vr4100: |
| 1217 | *vr5000: |
| 1218 | *r3900: |
| 1219 | { |
| 1220 | do_div (SD_, RS, RT); |
| 1221 | } |
| 1222 | |
| 1223 | |
| 1224 | |
| 1225 | :function:::void:do_divu:int rs, int rt |
| 1226 | { |
| 1227 | check_div_hilo (SD_, HIHISTORY, LOHISTORY); |
| 1228 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 1229 | { |
| 1230 | unsigned32 n = GPR[rs]; |
| 1231 | unsigned32 d = GPR[rt]; |
| 1232 | if (d == 0) |
| 1233 | { |
| 1234 | LO = EXTEND32 (0x80000000); |
| 1235 | HI = EXTEND32 (0); |
| 1236 | } |
| 1237 | else |
| 1238 | { |
| 1239 | LO = EXTEND32 (n / d); |
| 1240 | HI = EXTEND32 (n % d); |
| 1241 | } |
| 1242 | } |
| 1243 | TRACE_ALU_RESULT2 (HI, LO); |
| 1244 | } |
| 1245 | |
| 1246 | 000000,5.RS,5.RT,0000000000,011011:SPECIAL:32::DIVU |
| 1247 | "divu r<RS>, r<RT>" |
| 1248 | *mipsI: |
| 1249 | *mipsII: |
| 1250 | *mipsIII: |
| 1251 | *mipsIV: |
| 1252 | *mipsV: |
| 1253 | *mips32: |
| 1254 | *mips64: |
| 1255 | *vr4100: |
| 1256 | *vr5000: |
| 1257 | *r3900: |
| 1258 | { |
| 1259 | do_divu (SD_, RS, RT); |
| 1260 | } |
| 1261 | |
| 1262 | |
| 1263 | |
| 1264 | :function:::void:do_dmultx:int rs, int rt, int rd, int signed_p |
| 1265 | { |
| 1266 | unsigned64 lo; |
| 1267 | unsigned64 hi; |
| 1268 | unsigned64 m00; |
| 1269 | unsigned64 m01; |
| 1270 | unsigned64 m10; |
| 1271 | unsigned64 m11; |
| 1272 | unsigned64 mid; |
| 1273 | int sign; |
| 1274 | unsigned64 op1 = GPR[rs]; |
| 1275 | unsigned64 op2 = GPR[rt]; |
| 1276 | check_mult_hilo (SD_, HIHISTORY, LOHISTORY); |
| 1277 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 1278 | /* make signed multiply unsigned */ |
| 1279 | sign = 0; |
| 1280 | if (signed_p) |
| 1281 | { |
| 1282 | if (op1 < 0) |
| 1283 | { |
| 1284 | op1 = - op1; |
| 1285 | ++sign; |
| 1286 | } |
| 1287 | if (op2 < 0) |
| 1288 | { |
| 1289 | op2 = - op2; |
| 1290 | ++sign; |
| 1291 | } |
| 1292 | } |
| 1293 | /* multiply out the 4 sub products */ |
| 1294 | m00 = ((unsigned64) VL4_8 (op1) * (unsigned64) VL4_8 (op2)); |
| 1295 | m10 = ((unsigned64) VH4_8 (op1) * (unsigned64) VL4_8 (op2)); |
| 1296 | m01 = ((unsigned64) VL4_8 (op1) * (unsigned64) VH4_8 (op2)); |
| 1297 | m11 = ((unsigned64) VH4_8 (op1) * (unsigned64) VH4_8 (op2)); |
| 1298 | /* add the products */ |
| 1299 | mid = ((unsigned64) VH4_8 (m00) |
| 1300 | + (unsigned64) VL4_8 (m10) |
| 1301 | + (unsigned64) VL4_8 (m01)); |
| 1302 | lo = U8_4 (mid, m00); |
| 1303 | hi = (m11 |
| 1304 | + (unsigned64) VH4_8 (mid) |
| 1305 | + (unsigned64) VH4_8 (m01) |
| 1306 | + (unsigned64) VH4_8 (m10)); |
| 1307 | /* fix the sign */ |
| 1308 | if (sign & 1) |
| 1309 | { |
| 1310 | lo = -lo; |
| 1311 | if (lo == 0) |
| 1312 | hi = -hi; |
| 1313 | else |
| 1314 | hi = -hi - 1; |
| 1315 | } |
| 1316 | /* save the result HI/LO (and a gpr) */ |
| 1317 | LO = lo; |
| 1318 | HI = hi; |
| 1319 | if (rd != 0) |
| 1320 | GPR[rd] = lo; |
| 1321 | TRACE_ALU_RESULT2 (HI, LO); |
| 1322 | } |
| 1323 | |
| 1324 | :function:::void:do_dmult:int rs, int rt, int rd |
| 1325 | { |
| 1326 | do_dmultx (SD_, rs, rt, rd, 1); |
| 1327 | } |
| 1328 | |
| 1329 | 000000,5.RS,5.RT,0000000000,011100:SPECIAL:64::DMULT |
| 1330 | "dmult r<RS>, r<RT>" |
| 1331 | *mipsIII: |
| 1332 | *mipsIV: |
| 1333 | *mipsV: |
| 1334 | *mips64: |
| 1335 | *vr4100: |
| 1336 | { |
| 1337 | check_u64 (SD_, instruction_0); |
| 1338 | do_dmult (SD_, RS, RT, 0); |
| 1339 | } |
| 1340 | |
| 1341 | 000000,5.RS,5.RT,5.RD,00000,011100:SPECIAL:64::DMULT |
| 1342 | "dmult r<RS>, r<RT>":RD == 0 |
| 1343 | "dmult r<RD>, r<RS>, r<RT>" |
| 1344 | *vr5000: |
| 1345 | { |
| 1346 | check_u64 (SD_, instruction_0); |
| 1347 | do_dmult (SD_, RS, RT, RD); |
| 1348 | } |
| 1349 | |
| 1350 | |
| 1351 | |
| 1352 | :function:::void:do_dmultu:int rs, int rt, int rd |
| 1353 | { |
| 1354 | do_dmultx (SD_, rs, rt, rd, 0); |
| 1355 | } |
| 1356 | |
| 1357 | 000000,5.RS,5.RT,0000000000,011101:SPECIAL:64::DMULTU |
| 1358 | "dmultu r<RS>, r<RT>" |
| 1359 | *mipsIII: |
| 1360 | *mipsIV: |
| 1361 | *mipsV: |
| 1362 | *mips64: |
| 1363 | *vr4100: |
| 1364 | { |
| 1365 | check_u64 (SD_, instruction_0); |
| 1366 | do_dmultu (SD_, RS, RT, 0); |
| 1367 | } |
| 1368 | |
| 1369 | 000000,5.RS,5.RT,5.RD,00000,011101:SPECIAL:64::DMULTU |
| 1370 | "dmultu r<RD>, r<RS>, r<RT>":RD == 0 |
| 1371 | "dmultu r<RS>, r<RT>" |
| 1372 | *vr5000: |
| 1373 | { |
| 1374 | check_u64 (SD_, instruction_0); |
| 1375 | do_dmultu (SD_, RS, RT, RD); |
| 1376 | } |
| 1377 | |
| 1378 | :function:::void:do_dsll:int rt, int rd, int shift |
| 1379 | { |
| 1380 | TRACE_ALU_INPUT2 (GPR[rt], shift); |
| 1381 | GPR[rd] = GPR[rt] << shift; |
| 1382 | TRACE_ALU_RESULT (GPR[rd]); |
| 1383 | } |
| 1384 | |
| 1385 | 000000,00000,5.RT,5.RD,5.SHIFT,111000:SPECIAL:64::DSLL |
| 1386 | "dsll r<RD>, r<RT>, <SHIFT>" |
| 1387 | *mipsIII: |
| 1388 | *mipsIV: |
| 1389 | *mipsV: |
| 1390 | *mips64: |
| 1391 | *vr4100: |
| 1392 | *vr5000: |
| 1393 | { |
| 1394 | check_u64 (SD_, instruction_0); |
| 1395 | do_dsll (SD_, RT, RD, SHIFT); |
| 1396 | } |
| 1397 | |
| 1398 | |
| 1399 | 000000,00000,5.RT,5.RD,5.SHIFT,111100:SPECIAL:64::DSLL32 |
| 1400 | "dsll32 r<RD>, r<RT>, <SHIFT>" |
| 1401 | *mipsIII: |
| 1402 | *mipsIV: |
| 1403 | *mipsV: |
| 1404 | *mips64: |
| 1405 | *vr4100: |
| 1406 | *vr5000: |
| 1407 | { |
| 1408 | int s = 32 + SHIFT; |
| 1409 | check_u64 (SD_, instruction_0); |
| 1410 | TRACE_ALU_INPUT2 (GPR[RT], s); |
| 1411 | GPR[RD] = GPR[RT] << s; |
| 1412 | TRACE_ALU_RESULT (GPR[RD]); |
| 1413 | } |
| 1414 | |
| 1415 | :function:::void:do_dsllv:int rs, int rt, int rd |
| 1416 | { |
| 1417 | int s = MASKED64 (GPR[rs], 5, 0); |
| 1418 | TRACE_ALU_INPUT2 (GPR[rt], s); |
| 1419 | GPR[rd] = GPR[rt] << s; |
| 1420 | TRACE_ALU_RESULT (GPR[rd]); |
| 1421 | } |
| 1422 | |
| 1423 | 000000,5.RS,5.RT,5.RD,00000,010100:SPECIAL:64::DSLLV |
| 1424 | "dsllv r<RD>, r<RT>, r<RS>" |
| 1425 | *mipsIII: |
| 1426 | *mipsIV: |
| 1427 | *mipsV: |
| 1428 | *mips64: |
| 1429 | *vr4100: |
| 1430 | *vr5000: |
| 1431 | { |
| 1432 | check_u64 (SD_, instruction_0); |
| 1433 | do_dsllv (SD_, RS, RT, RD); |
| 1434 | } |
| 1435 | |
| 1436 | :function:::void:do_dsra:int rt, int rd, int shift |
| 1437 | { |
| 1438 | TRACE_ALU_INPUT2 (GPR[rt], shift); |
| 1439 | GPR[rd] = ((signed64) GPR[rt]) >> shift; |
| 1440 | TRACE_ALU_RESULT (GPR[rd]); |
| 1441 | } |
| 1442 | |
| 1443 | |
| 1444 | 000000,00000,5.RT,5.RD,5.SHIFT,111011:SPECIAL:64::DSRA |
| 1445 | "dsra r<RD>, r<RT>, <SHIFT>" |
| 1446 | *mipsIII: |
| 1447 | *mipsIV: |
| 1448 | *mipsV: |
| 1449 | *mips64: |
| 1450 | *vr4100: |
| 1451 | *vr5000: |
| 1452 | { |
| 1453 | check_u64 (SD_, instruction_0); |
| 1454 | do_dsra (SD_, RT, RD, SHIFT); |
| 1455 | } |
| 1456 | |
| 1457 | |
| 1458 | 000000,00000,5.RT,5.RD,5.SHIFT,111111:SPECIAL:64::DSRA32 |
| 1459 | "dsra32 r<RD>, r<RT>, <SHIFT>" |
| 1460 | *mipsIII: |
| 1461 | *mipsIV: |
| 1462 | *mipsV: |
| 1463 | *mips64: |
| 1464 | *vr4100: |
| 1465 | *vr5000: |
| 1466 | { |
| 1467 | int s = 32 + SHIFT; |
| 1468 | check_u64 (SD_, instruction_0); |
| 1469 | TRACE_ALU_INPUT2 (GPR[RT], s); |
| 1470 | GPR[RD] = ((signed64) GPR[RT]) >> s; |
| 1471 | TRACE_ALU_RESULT (GPR[RD]); |
| 1472 | } |
| 1473 | |
| 1474 | |
| 1475 | :function:::void:do_dsrav:int rs, int rt, int rd |
| 1476 | { |
| 1477 | int s = MASKED64 (GPR[rs], 5, 0); |
| 1478 | TRACE_ALU_INPUT2 (GPR[rt], s); |
| 1479 | GPR[rd] = ((signed64) GPR[rt]) >> s; |
| 1480 | TRACE_ALU_RESULT (GPR[rd]); |
| 1481 | } |
| 1482 | |
| 1483 | 000000,5.RS,5.RT,5.RD,00000,010111:SPECIAL:64::DSRAV |
| 1484 | "dsrav r<RD>, r<RT>, r<RS>" |
| 1485 | *mipsIII: |
| 1486 | *mipsIV: |
| 1487 | *mipsV: |
| 1488 | *mips64: |
| 1489 | *vr4100: |
| 1490 | *vr5000: |
| 1491 | { |
| 1492 | check_u64 (SD_, instruction_0); |
| 1493 | do_dsrav (SD_, RS, RT, RD); |
| 1494 | } |
| 1495 | |
| 1496 | :function:::void:do_dsrl:int rt, int rd, int shift |
| 1497 | { |
| 1498 | TRACE_ALU_INPUT2 (GPR[rt], shift); |
| 1499 | GPR[rd] = (unsigned64) GPR[rt] >> shift; |
| 1500 | TRACE_ALU_RESULT (GPR[rd]); |
| 1501 | } |
| 1502 | |
| 1503 | |
| 1504 | 000000,00000,5.RT,5.RD,5.SHIFT,111010:SPECIAL:64::DSRL |
| 1505 | "dsrl r<RD>, r<RT>, <SHIFT>" |
| 1506 | *mipsIII: |
| 1507 | *mipsIV: |
| 1508 | *mipsV: |
| 1509 | *mips64: |
| 1510 | *vr4100: |
| 1511 | *vr5000: |
| 1512 | { |
| 1513 | check_u64 (SD_, instruction_0); |
| 1514 | do_dsrl (SD_, RT, RD, SHIFT); |
| 1515 | } |
| 1516 | |
| 1517 | |
| 1518 | 000000,00000,5.RT,5.RD,5.SHIFT,111110:SPECIAL:64::DSRL32 |
| 1519 | "dsrl32 r<RD>, r<RT>, <SHIFT>" |
| 1520 | *mipsIII: |
| 1521 | *mipsIV: |
| 1522 | *mipsV: |
| 1523 | *mips64: |
| 1524 | *vr4100: |
| 1525 | *vr5000: |
| 1526 | { |
| 1527 | int s = 32 + SHIFT; |
| 1528 | check_u64 (SD_, instruction_0); |
| 1529 | TRACE_ALU_INPUT2 (GPR[RT], s); |
| 1530 | GPR[RD] = (unsigned64) GPR[RT] >> s; |
| 1531 | TRACE_ALU_RESULT (GPR[RD]); |
| 1532 | } |
| 1533 | |
| 1534 | |
| 1535 | :function:::void:do_dsrlv:int rs, int rt, int rd |
| 1536 | { |
| 1537 | int s = MASKED64 (GPR[rs], 5, 0); |
| 1538 | TRACE_ALU_INPUT2 (GPR[rt], s); |
| 1539 | GPR[rd] = (unsigned64) GPR[rt] >> s; |
| 1540 | TRACE_ALU_RESULT (GPR[rd]); |
| 1541 | } |
| 1542 | |
| 1543 | |
| 1544 | |
| 1545 | 000000,5.RS,5.RT,5.RD,00000,010110:SPECIAL:64::DSRLV |
| 1546 | "dsrlv r<RD>, r<RT>, r<RS>" |
| 1547 | *mipsIII: |
| 1548 | *mipsIV: |
| 1549 | *mipsV: |
| 1550 | *mips64: |
| 1551 | *vr4100: |
| 1552 | *vr5000: |
| 1553 | { |
| 1554 | check_u64 (SD_, instruction_0); |
| 1555 | do_dsrlv (SD_, RS, RT, RD); |
| 1556 | } |
| 1557 | |
| 1558 | |
| 1559 | 000000,5.RS,5.RT,5.RD,00000,101110:SPECIAL:64::DSUB |
| 1560 | "dsub r<RD>, r<RS>, r<RT>" |
| 1561 | *mipsIII: |
| 1562 | *mipsIV: |
| 1563 | *mipsV: |
| 1564 | *mips64: |
| 1565 | *vr4100: |
| 1566 | *vr5000: |
| 1567 | { |
| 1568 | check_u64 (SD_, instruction_0); |
| 1569 | TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]); |
| 1570 | { |
| 1571 | ALU64_BEGIN (GPR[RS]); |
| 1572 | ALU64_SUB (GPR[RT]); |
| 1573 | ALU64_END (GPR[RD]); /* This checks for overflow. */ |
| 1574 | } |
| 1575 | TRACE_ALU_RESULT (GPR[RD]); |
| 1576 | } |
| 1577 | |
| 1578 | |
| 1579 | :function:::void:do_dsubu:int rs, int rt, int rd |
| 1580 | { |
| 1581 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 1582 | GPR[rd] = GPR[rs] - GPR[rt]; |
| 1583 | TRACE_ALU_RESULT (GPR[rd]); |
| 1584 | } |
| 1585 | |
| 1586 | 000000,5.RS,5.RT,5.RD,00000,101111:SPECIAL:64::DSUBU |
| 1587 | "dsubu r<RD>, r<RS>, r<RT>" |
| 1588 | *mipsIII: |
| 1589 | *mipsIV: |
| 1590 | *mipsV: |
| 1591 | *mips64: |
| 1592 | *vr4100: |
| 1593 | *vr5000: |
| 1594 | { |
| 1595 | check_u64 (SD_, instruction_0); |
| 1596 | do_dsubu (SD_, RS, RT, RD); |
| 1597 | } |
| 1598 | |
| 1599 | |
| 1600 | 000010,26.INSTR_INDEX:NORMAL:32::J |
| 1601 | "j <INSTR_INDEX>" |
| 1602 | *mipsI: |
| 1603 | *mipsII: |
| 1604 | *mipsIII: |
| 1605 | *mipsIV: |
| 1606 | *mipsV: |
| 1607 | *mips32: |
| 1608 | *mips64: |
| 1609 | *vr4100: |
| 1610 | *vr5000: |
| 1611 | *r3900: |
| 1612 | { |
| 1613 | /* NOTE: The region used is that of the delay slot NIA and NOT the |
| 1614 | current instruction */ |
| 1615 | address_word region = (NIA & MASK (63, 28)); |
| 1616 | DELAY_SLOT (region | (INSTR_INDEX << 2)); |
| 1617 | } |
| 1618 | |
| 1619 | |
| 1620 | 000011,26.INSTR_INDEX:NORMAL:32::JAL |
| 1621 | "jal <INSTR_INDEX>" |
| 1622 | *mipsI: |
| 1623 | *mipsII: |
| 1624 | *mipsIII: |
| 1625 | *mipsIV: |
| 1626 | *mipsV: |
| 1627 | *mips32: |
| 1628 | *mips64: |
| 1629 | *vr4100: |
| 1630 | *vr5000: |
| 1631 | *r3900: |
| 1632 | { |
| 1633 | /* NOTE: The region used is that of the delay slot and NOT the |
| 1634 | current instruction */ |
| 1635 | address_word region = (NIA & MASK (63, 28)); |
| 1636 | GPR[31] = CIA + 8; |
| 1637 | DELAY_SLOT (region | (INSTR_INDEX << 2)); |
| 1638 | } |
| 1639 | |
| 1640 | 000000,5.RS,00000,5.RD,00000,001001:SPECIAL:32::JALR |
| 1641 | "jalr r<RS>":RD == 31 |
| 1642 | "jalr r<RD>, r<RS>" |
| 1643 | *mipsI: |
| 1644 | *mipsII: |
| 1645 | *mipsIII: |
| 1646 | *mipsIV: |
| 1647 | *mipsV: |
| 1648 | *mips32: |
| 1649 | *mips64: |
| 1650 | *vr4100: |
| 1651 | *vr5000: |
| 1652 | *r3900: |
| 1653 | { |
| 1654 | address_word temp = GPR[RS]; |
| 1655 | GPR[RD] = CIA + 8; |
| 1656 | DELAY_SLOT (temp); |
| 1657 | } |
| 1658 | |
| 1659 | |
| 1660 | 000000,5.RS,000000000000000,001000:SPECIAL:32::JR |
| 1661 | "jr r<RS>" |
| 1662 | *mipsI: |
| 1663 | *mipsII: |
| 1664 | *mipsIII: |
| 1665 | *mipsIV: |
| 1666 | *mipsV: |
| 1667 | *mips32: |
| 1668 | *mips64: |
| 1669 | *vr4100: |
| 1670 | *vr5000: |
| 1671 | *r3900: |
| 1672 | { |
| 1673 | DELAY_SLOT (GPR[RS]); |
| 1674 | } |
| 1675 | |
| 1676 | |
| 1677 | :function:::unsigned_word:do_load:unsigned access, address_word base, address_word offset |
| 1678 | { |
| 1679 | address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); |
| 1680 | address_word reverseendian = (ReverseEndian ? (mask ^ access) : 0); |
| 1681 | address_word bigendiancpu = (BigEndianCPU ? (mask ^ access) : 0); |
| 1682 | unsigned int byte; |
| 1683 | address_word paddr; |
| 1684 | int uncached; |
| 1685 | unsigned64 memval; |
| 1686 | address_word vaddr; |
| 1687 | |
| 1688 | vaddr = loadstore_ea (SD_, base, offset); |
| 1689 | if ((vaddr & access) != 0) |
| 1690 | { |
| 1691 | SIM_CORE_SIGNAL (SD, STATE_CPU (SD, 0), cia, read_map, access+1, vaddr, read_transfer, sim_core_unaligned_signal); |
| 1692 | } |
| 1693 | AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET, isREAL); |
| 1694 | paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian)); |
| 1695 | LoadMemory (&memval, NULL, uncached, access, paddr, vaddr, isDATA, isREAL); |
| 1696 | byte = ((vaddr & mask) ^ bigendiancpu); |
| 1697 | return (memval >> (8 * byte)); |
| 1698 | } |
| 1699 | |
| 1700 | :function:::unsigned_word:do_load_left:unsigned access, address_word base, address_word offset, unsigned_word rt |
| 1701 | { |
| 1702 | address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); |
| 1703 | address_word reverseendian = (ReverseEndian ? -1 : 0); |
| 1704 | address_word bigendiancpu = (BigEndianCPU ? -1 : 0); |
| 1705 | unsigned int byte; |
| 1706 | unsigned int word; |
| 1707 | address_word paddr; |
| 1708 | int uncached; |
| 1709 | unsigned64 memval; |
| 1710 | address_word vaddr; |
| 1711 | int nr_lhs_bits; |
| 1712 | int nr_rhs_bits; |
| 1713 | unsigned_word lhs_mask; |
| 1714 | unsigned_word temp; |
| 1715 | |
| 1716 | vaddr = loadstore_ea (SD_, base, offset); |
| 1717 | AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET, isREAL); |
| 1718 | paddr = (paddr ^ (reverseendian & mask)); |
| 1719 | if (BigEndianMem == 0) |
| 1720 | paddr = paddr & ~access; |
| 1721 | |
| 1722 | /* compute where within the word/mem we are */ |
| 1723 | byte = ((vaddr ^ bigendiancpu) & access); /* 0..access */ |
| 1724 | word = ((vaddr ^ bigendiancpu) & (mask & ~access)) / (access + 1); /* 0..1 */ |
| 1725 | nr_lhs_bits = 8 * byte + 8; |
| 1726 | nr_rhs_bits = 8 * access - 8 * byte; |
| 1727 | /* nr_lhs_bits + nr_rhs_bits == 8 * (accesss + 1) */ |
| 1728 | |
| 1729 | /* fprintf (stderr, "l[wd]l: 0x%08lx%08lx 0x%08lx%08lx %d:%d %d+%d\n", |
| 1730 | (long) ((unsigned64) vaddr >> 32), (long) vaddr, |
| 1731 | (long) ((unsigned64) paddr >> 32), (long) paddr, |
| 1732 | word, byte, nr_lhs_bits, nr_rhs_bits); */ |
| 1733 | |
| 1734 | LoadMemory (&memval, NULL, uncached, byte, paddr, vaddr, isDATA, isREAL); |
| 1735 | if (word == 0) |
| 1736 | { |
| 1737 | /* GPR{31..32-NR_LHS_BITS} = memval{NR_LHS_BITS-1..0} */ |
| 1738 | temp = (memval << nr_rhs_bits); |
| 1739 | } |
| 1740 | else |
| 1741 | { |
| 1742 | /* GPR{31..32-NR_LHS_BITS = memval{32+NR_LHS_BITS..32} */ |
| 1743 | temp = (memval >> nr_lhs_bits); |
| 1744 | } |
| 1745 | lhs_mask = LSMASK (nr_lhs_bits + nr_rhs_bits - 1, nr_rhs_bits); |
| 1746 | rt = (rt & ~lhs_mask) | (temp & lhs_mask); |
| 1747 | |
| 1748 | /* fprintf (stderr, "l[wd]l: 0x%08lx%08lx -> 0x%08lx%08lx & 0x%08lx%08lx -> 0x%08lx%08lx\n", |
| 1749 | (long) ((unsigned64) memval >> 32), (long) memval, |
| 1750 | (long) ((unsigned64) temp >> 32), (long) temp, |
| 1751 | (long) ((unsigned64) lhs_mask >> 32), (long) lhs_mask, |
| 1752 | (long) (rt >> 32), (long) rt); */ |
| 1753 | return rt; |
| 1754 | } |
| 1755 | |
| 1756 | :function:::unsigned_word:do_load_right:unsigned access, address_word base, address_word offset, unsigned_word rt |
| 1757 | { |
| 1758 | address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); |
| 1759 | address_word reverseendian = (ReverseEndian ? -1 : 0); |
| 1760 | address_word bigendiancpu = (BigEndianCPU ? -1 : 0); |
| 1761 | unsigned int byte; |
| 1762 | address_word paddr; |
| 1763 | int uncached; |
| 1764 | unsigned64 memval; |
| 1765 | address_word vaddr; |
| 1766 | |
| 1767 | vaddr = loadstore_ea (SD_, base, offset); |
| 1768 | AddressTranslation (vaddr, isDATA, isLOAD, &paddr, &uncached, isTARGET, isREAL); |
| 1769 | /* NOTE: SPEC is wrong, has `BigEndianMem == 0' not `BigEndianMem != 0' */ |
| 1770 | paddr = (paddr ^ (reverseendian & mask)); |
| 1771 | if (BigEndianMem != 0) |
| 1772 | paddr = paddr & ~access; |
| 1773 | byte = ((vaddr & mask) ^ (bigendiancpu & mask)); |
| 1774 | /* NOTE: SPEC is wrong, had `byte' not `access - byte'. See SW. */ |
| 1775 | LoadMemory (&memval, NULL, uncached, access - (access & byte), paddr, vaddr, isDATA, isREAL); |
| 1776 | /* printf ("lr: 0x%08lx %d@0x%08lx 0x%08lx\n", |
| 1777 | (long) paddr, byte, (long) paddr, (long) memval); */ |
| 1778 | { |
| 1779 | unsigned_word screen = LSMASK (8 * (access - (byte & access) + 1) - 1, 0); |
| 1780 | rt &= ~screen; |
| 1781 | rt |= (memval >> (8 * byte)) & screen; |
| 1782 | } |
| 1783 | return rt; |
| 1784 | } |
| 1785 | |
| 1786 | |
| 1787 | 100000,5.BASE,5.RT,16.OFFSET:NORMAL:32::LB |
| 1788 | "lb r<RT>, <OFFSET>(r<BASE>)" |
| 1789 | *mipsI: |
| 1790 | *mipsII: |
| 1791 | *mipsIII: |
| 1792 | *mipsIV: |
| 1793 | *mipsV: |
| 1794 | *mips32: |
| 1795 | *mips64: |
| 1796 | *vr4100: |
| 1797 | *vr5000: |
| 1798 | *r3900: |
| 1799 | { |
| 1800 | GPR[RT] = EXTEND8 (do_load (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET))); |
| 1801 | } |
| 1802 | |
| 1803 | |
| 1804 | 100100,5.BASE,5.RT,16.OFFSET:NORMAL:32::LBU |
| 1805 | "lbu r<RT>, <OFFSET>(r<BASE>)" |
| 1806 | *mipsI: |
| 1807 | *mipsII: |
| 1808 | *mipsIII: |
| 1809 | *mipsIV: |
| 1810 | *mipsV: |
| 1811 | *mips32: |
| 1812 | *mips64: |
| 1813 | *vr4100: |
| 1814 | *vr5000: |
| 1815 | *r3900: |
| 1816 | { |
| 1817 | GPR[RT] = do_load (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET)); |
| 1818 | } |
| 1819 | |
| 1820 | |
| 1821 | 110111,5.BASE,5.RT,16.OFFSET:NORMAL:64::LD |
| 1822 | "ld r<RT>, <OFFSET>(r<BASE>)" |
| 1823 | *mipsIII: |
| 1824 | *mipsIV: |
| 1825 | *mipsV: |
| 1826 | *mips64: |
| 1827 | *vr4100: |
| 1828 | *vr5000: |
| 1829 | { |
| 1830 | check_u64 (SD_, instruction_0); |
| 1831 | GPR[RT] = EXTEND64 (do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET))); |
| 1832 | } |
| 1833 | |
| 1834 | |
| 1835 | 1101,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:64::LDCz |
| 1836 | "ldc<ZZ> r<RT>, <OFFSET>(r<BASE>)" |
| 1837 | *mipsII: |
| 1838 | *mipsIII: |
| 1839 | *mipsIV: |
| 1840 | *mipsV: |
| 1841 | *mips32: |
| 1842 | *mips64: |
| 1843 | *vr4100: |
| 1844 | *vr5000: |
| 1845 | *r3900: |
| 1846 | { |
| 1847 | COP_LD (ZZ, RT, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET))); |
| 1848 | } |
| 1849 | |
| 1850 | |
| 1851 | |
| 1852 | |
| 1853 | 011010,5.BASE,5.RT,16.OFFSET:NORMAL:64::LDL |
| 1854 | "ldl r<RT>, <OFFSET>(r<BASE>)" |
| 1855 | *mipsIII: |
| 1856 | *mipsIV: |
| 1857 | *mipsV: |
| 1858 | *mips64: |
| 1859 | *vr4100: |
| 1860 | *vr5000: |
| 1861 | { |
| 1862 | check_u64 (SD_, instruction_0); |
| 1863 | GPR[RT] = do_load_left (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); |
| 1864 | } |
| 1865 | |
| 1866 | |
| 1867 | 011011,5.BASE,5.RT,16.OFFSET:NORMAL:64::LDR |
| 1868 | "ldr r<RT>, <OFFSET>(r<BASE>)" |
| 1869 | *mipsIII: |
| 1870 | *mipsIV: |
| 1871 | *mipsV: |
| 1872 | *mips64: |
| 1873 | *vr4100: |
| 1874 | *vr5000: |
| 1875 | { |
| 1876 | check_u64 (SD_, instruction_0); |
| 1877 | GPR[RT] = do_load_right (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); |
| 1878 | } |
| 1879 | |
| 1880 | |
| 1881 | 100001,5.BASE,5.RT,16.OFFSET:NORMAL:32::LH |
| 1882 | "lh r<RT>, <OFFSET>(r<BASE>)" |
| 1883 | *mipsI: |
| 1884 | *mipsII: |
| 1885 | *mipsIII: |
| 1886 | *mipsIV: |
| 1887 | *mipsV: |
| 1888 | *mips32: |
| 1889 | *mips64: |
| 1890 | *vr4100: |
| 1891 | *vr5000: |
| 1892 | *r3900: |
| 1893 | { |
| 1894 | GPR[RT] = EXTEND16 (do_load (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET))); |
| 1895 | } |
| 1896 | |
| 1897 | |
| 1898 | 100101,5.BASE,5.RT,16.OFFSET:NORMAL:32::LHU |
| 1899 | "lhu r<RT>, <OFFSET>(r<BASE>)" |
| 1900 | *mipsI: |
| 1901 | *mipsII: |
| 1902 | *mipsIII: |
| 1903 | *mipsIV: |
| 1904 | *mipsV: |
| 1905 | *mips32: |
| 1906 | *mips64: |
| 1907 | *vr4100: |
| 1908 | *vr5000: |
| 1909 | *r3900: |
| 1910 | { |
| 1911 | GPR[RT] = do_load (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET)); |
| 1912 | } |
| 1913 | |
| 1914 | |
| 1915 | 110000,5.BASE,5.RT,16.OFFSET:NORMAL:32::LL |
| 1916 | "ll r<RT>, <OFFSET>(r<BASE>)" |
| 1917 | *mipsII: |
| 1918 | *mipsIII: |
| 1919 | *mipsIV: |
| 1920 | *mipsV: |
| 1921 | *mips32: |
| 1922 | *mips64: |
| 1923 | *vr4100: |
| 1924 | *vr5000: |
| 1925 | { |
| 1926 | address_word base = GPR[BASE]; |
| 1927 | address_word offset = EXTEND16 (OFFSET); |
| 1928 | { |
| 1929 | address_word vaddr = loadstore_ea (SD_, base, offset); |
| 1930 | address_word paddr; |
| 1931 | int uncached; |
| 1932 | if ((vaddr & 3) != 0) |
| 1933 | { |
| 1934 | SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, read_transfer, sim_core_unaligned_signal); |
| 1935 | } |
| 1936 | else |
| 1937 | { |
| 1938 | if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) |
| 1939 | { |
| 1940 | unsigned64 memval = 0; |
| 1941 | unsigned64 memval1 = 0; |
| 1942 | unsigned64 mask = 0x7; |
| 1943 | unsigned int shift = 2; |
| 1944 | unsigned int reverse = (ReverseEndian ? (mask >> shift) : 0); |
| 1945 | unsigned int bigend = (BigEndianCPU ? (mask >> shift) : 0); |
| 1946 | unsigned int byte; |
| 1947 | paddr = ((paddr & ~mask) | ((paddr & mask) ^ (reverse << shift))); |
| 1948 | LoadMemory(&memval,&memval1,uncached,AccessLength_WORD,paddr,vaddr,isDATA,isREAL); |
| 1949 | byte = ((vaddr & mask) ^ (bigend << shift)); |
| 1950 | GPR[RT] = EXTEND32 (memval >> (8 * byte)); |
| 1951 | LLBIT = 1; |
| 1952 | } |
| 1953 | } |
| 1954 | } |
| 1955 | } |
| 1956 | |
| 1957 | |
| 1958 | 110100,5.BASE,5.RT,16.OFFSET:NORMAL:64::LLD |
| 1959 | "lld r<RT>, <OFFSET>(r<BASE>)" |
| 1960 | *mipsIII: |
| 1961 | *mipsIV: |
| 1962 | *mipsV: |
| 1963 | *mips64: |
| 1964 | *vr4100: |
| 1965 | *vr5000: |
| 1966 | { |
| 1967 | address_word base = GPR[BASE]; |
| 1968 | address_word offset = EXTEND16 (OFFSET); |
| 1969 | check_u64 (SD_, instruction_0); |
| 1970 | { |
| 1971 | address_word vaddr = loadstore_ea (SD_, base, offset); |
| 1972 | address_word paddr; |
| 1973 | int uncached; |
| 1974 | if ((vaddr & 7) != 0) |
| 1975 | { |
| 1976 | SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, read_transfer, sim_core_unaligned_signal); |
| 1977 | } |
| 1978 | else |
| 1979 | { |
| 1980 | if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) |
| 1981 | { |
| 1982 | unsigned64 memval = 0; |
| 1983 | unsigned64 memval1 = 0; |
| 1984 | LoadMemory(&memval,&memval1,uncached,AccessLength_DOUBLEWORD,paddr,vaddr,isDATA,isREAL); |
| 1985 | GPR[RT] = memval; |
| 1986 | LLBIT = 1; |
| 1987 | } |
| 1988 | } |
| 1989 | } |
| 1990 | } |
| 1991 | |
| 1992 | |
| 1993 | 001111,00000,5.RT,16.IMMEDIATE:NORMAL:32::LUI |
| 1994 | "lui r<RT>, %#lx<IMMEDIATE>" |
| 1995 | *mipsI: |
| 1996 | *mipsII: |
| 1997 | *mipsIII: |
| 1998 | *mipsIV: |
| 1999 | *mipsV: |
| 2000 | *mips32: |
| 2001 | *mips64: |
| 2002 | *vr4100: |
| 2003 | *vr5000: |
| 2004 | *r3900: |
| 2005 | { |
| 2006 | TRACE_ALU_INPUT1 (IMMEDIATE); |
| 2007 | GPR[RT] = EXTEND32 (IMMEDIATE << 16); |
| 2008 | TRACE_ALU_RESULT (GPR[RT]); |
| 2009 | } |
| 2010 | |
| 2011 | |
| 2012 | 100011,5.BASE,5.RT,16.OFFSET:NORMAL:32::LW |
| 2013 | "lw r<RT>, <OFFSET>(r<BASE>)" |
| 2014 | *mipsI: |
| 2015 | *mipsII: |
| 2016 | *mipsIII: |
| 2017 | *mipsIV: |
| 2018 | *mipsV: |
| 2019 | *mips32: |
| 2020 | *mips64: |
| 2021 | *vr4100: |
| 2022 | *vr5000: |
| 2023 | *r3900: |
| 2024 | { |
| 2025 | GPR[RT] = EXTEND32 (do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET))); |
| 2026 | } |
| 2027 | |
| 2028 | |
| 2029 | 1100,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWCz |
| 2030 | "lwc<ZZ> r<RT>, <OFFSET>(r<BASE>)" |
| 2031 | *mipsI: |
| 2032 | *mipsII: |
| 2033 | *mipsIII: |
| 2034 | *mipsIV: |
| 2035 | *mipsV: |
| 2036 | *mips32: |
| 2037 | *mips64: |
| 2038 | *vr4100: |
| 2039 | *vr5000: |
| 2040 | *r3900: |
| 2041 | { |
| 2042 | COP_LW (ZZ, RT, do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET))); |
| 2043 | } |
| 2044 | |
| 2045 | |
| 2046 | 100010,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWL |
| 2047 | "lwl r<RT>, <OFFSET>(r<BASE>)" |
| 2048 | *mipsI: |
| 2049 | *mipsII: |
| 2050 | *mipsIII: |
| 2051 | *mipsIV: |
| 2052 | *mipsV: |
| 2053 | *mips32: |
| 2054 | *mips64: |
| 2055 | *vr4100: |
| 2056 | *vr5000: |
| 2057 | *r3900: |
| 2058 | { |
| 2059 | GPR[RT] = EXTEND32 (do_load_left (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT])); |
| 2060 | } |
| 2061 | |
| 2062 | |
| 2063 | 100110,5.BASE,5.RT,16.OFFSET:NORMAL:32::LWR |
| 2064 | "lwr r<RT>, <OFFSET>(r<BASE>)" |
| 2065 | *mipsI: |
| 2066 | *mipsII: |
| 2067 | *mipsIII: |
| 2068 | *mipsIV: |
| 2069 | *mipsV: |
| 2070 | *mips32: |
| 2071 | *mips64: |
| 2072 | *vr4100: |
| 2073 | *vr5000: |
| 2074 | *r3900: |
| 2075 | { |
| 2076 | GPR[RT] = EXTEND32 (do_load_right (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT])); |
| 2077 | } |
| 2078 | |
| 2079 | |
| 2080 | 100111,5.BASE,5.RT,16.OFFSET:NORMAL:64::LWU |
| 2081 | "lwu r<RT>, <OFFSET>(r<BASE>)" |
| 2082 | *mipsIII: |
| 2083 | *mipsIV: |
| 2084 | *mipsV: |
| 2085 | *mips64: |
| 2086 | *vr4100: |
| 2087 | *vr5000: |
| 2088 | { |
| 2089 | check_u64 (SD_, instruction_0); |
| 2090 | GPR[RT] = do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET)); |
| 2091 | } |
| 2092 | |
| 2093 | |
| 2094 | |
| 2095 | 011100,5.RS,5.RT,00000,00000,000000:SPECIAL2:32::MADD |
| 2096 | "madd r<RS>, r<RT>" |
| 2097 | *mips32: |
| 2098 | *mips64: |
| 2099 | { |
| 2100 | signed64 temp; |
| 2101 | check_mult_hilo (SD_, HIHISTORY, LOHISTORY); |
| 2102 | TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]); |
| 2103 | temp = (U8_4 (VL4_8 (HI), VL4_8 (LO)) |
| 2104 | + ((signed64) EXTEND32 (GPR[RT]) * (signed64) EXTEND32 (GPR[RS]))); |
| 2105 | LO = EXTEND32 (temp); |
| 2106 | HI = EXTEND32 (VH4_8 (temp)); |
| 2107 | TRACE_ALU_RESULT2 (HI, LO); |
| 2108 | } |
| 2109 | |
| 2110 | |
| 2111 | |
| 2112 | 011100,5.RS,5.RT,00000,00000,000001:SPECIAL2:32::MADDU |
| 2113 | "maddu r<RS>, r<RT>" |
| 2114 | *mips32: |
| 2115 | *mips64: |
| 2116 | { |
| 2117 | unsigned64 temp; |
| 2118 | check_mult_hilo (SD_, HIHISTORY, LOHISTORY); |
| 2119 | TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]); |
| 2120 | temp = (U8_4 (VL4_8 (HI), VL4_8 (LO)) |
| 2121 | + ((unsigned64) VL4_8 (GPR[RS]) * (unsigned64) VL4_8 (GPR[RT]))); |
| 2122 | LO = EXTEND32 (temp); |
| 2123 | HI = EXTEND32 (VH4_8 (temp)); |
| 2124 | TRACE_ALU_RESULT2 (HI, LO); |
| 2125 | } |
| 2126 | |
| 2127 | |
| 2128 | :function:::void:do_mfhi:int rd |
| 2129 | { |
| 2130 | check_mf_hilo (SD_, HIHISTORY, LOHISTORY); |
| 2131 | TRACE_ALU_INPUT1 (HI); |
| 2132 | GPR[rd] = HI; |
| 2133 | TRACE_ALU_RESULT (GPR[rd]); |
| 2134 | } |
| 2135 | |
| 2136 | 000000,0000000000,5.RD,00000,010000:SPECIAL:32::MFHI |
| 2137 | "mfhi r<RD>" |
| 2138 | *mipsI: |
| 2139 | *mipsII: |
| 2140 | *mipsIII: |
| 2141 | *mipsIV: |
| 2142 | *mipsV: |
| 2143 | *mips32: |
| 2144 | *mips64: |
| 2145 | *vr4100: |
| 2146 | *vr5000: |
| 2147 | *r3900: |
| 2148 | { |
| 2149 | do_mfhi (SD_, RD); |
| 2150 | } |
| 2151 | |
| 2152 | |
| 2153 | |
| 2154 | :function:::void:do_mflo:int rd |
| 2155 | { |
| 2156 | check_mf_hilo (SD_, LOHISTORY, HIHISTORY); |
| 2157 | TRACE_ALU_INPUT1 (LO); |
| 2158 | GPR[rd] = LO; |
| 2159 | TRACE_ALU_RESULT (GPR[rd]); |
| 2160 | } |
| 2161 | |
| 2162 | 000000,0000000000,5.RD,00000,010010:SPECIAL:32::MFLO |
| 2163 | "mflo r<RD>" |
| 2164 | *mipsI: |
| 2165 | *mipsII: |
| 2166 | *mipsIII: |
| 2167 | *mipsIV: |
| 2168 | *mipsV: |
| 2169 | *mips32: |
| 2170 | *mips64: |
| 2171 | *vr4100: |
| 2172 | *vr5000: |
| 2173 | *r3900: |
| 2174 | { |
| 2175 | do_mflo (SD_, RD); |
| 2176 | } |
| 2177 | |
| 2178 | |
| 2179 | |
| 2180 | 000000,5.RS,5.RT,5.RD,00000,001011:SPECIAL:32::MOVN |
| 2181 | "movn r<RD>, r<RS>, r<RT>" |
| 2182 | *mipsIV: |
| 2183 | *mipsV: |
| 2184 | *mips32: |
| 2185 | *mips64: |
| 2186 | *vr5000: |
| 2187 | { |
| 2188 | if (GPR[RT] != 0) |
| 2189 | GPR[RD] = GPR[RS]; |
| 2190 | } |
| 2191 | |
| 2192 | |
| 2193 | |
| 2194 | 000000,5.RS,5.RT,5.RD,00000,001010:SPECIAL:32::MOVZ |
| 2195 | "movz r<RD>, r<RS>, r<RT>" |
| 2196 | *mipsIV: |
| 2197 | *mipsV: |
| 2198 | *mips32: |
| 2199 | *mips64: |
| 2200 | *vr5000: |
| 2201 | { |
| 2202 | if (GPR[RT] == 0) |
| 2203 | GPR[RD] = GPR[RS]; |
| 2204 | } |
| 2205 | |
| 2206 | |
| 2207 | |
| 2208 | 011100,5.RS,5.RT,00000,00000,000100:SPECIAL2:32::MSUB |
| 2209 | "msub r<RS>, r<RT>" |
| 2210 | *mips32: |
| 2211 | *mips64: |
| 2212 | { |
| 2213 | signed64 temp; |
| 2214 | check_mult_hilo (SD_, HIHISTORY, LOHISTORY); |
| 2215 | TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]); |
| 2216 | temp = (U8_4 (VL4_8 (HI), VL4_8 (LO)) |
| 2217 | - ((signed64) EXTEND32 (GPR[RT]) * (signed64) EXTEND32 (GPR[RS]))); |
| 2218 | LO = EXTEND32 (temp); |
| 2219 | HI = EXTEND32 (VH4_8 (temp)); |
| 2220 | TRACE_ALU_RESULT2 (HI, LO); |
| 2221 | } |
| 2222 | |
| 2223 | |
| 2224 | |
| 2225 | 011100,5.RS,5.RT,00000,00000,000101:SPECIAL2:32::MSUBU |
| 2226 | "msubu r<RS>, r<RT>" |
| 2227 | *mips32: |
| 2228 | *mips64: |
| 2229 | { |
| 2230 | unsigned64 temp; |
| 2231 | check_mult_hilo (SD_, HIHISTORY, LOHISTORY); |
| 2232 | TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]); |
| 2233 | temp = (U8_4 (VL4_8 (HI), VL4_8 (LO)) |
| 2234 | - ((unsigned64) VL4_8 (GPR[RS]) * (unsigned64) VL4_8 (GPR[RT]))); |
| 2235 | LO = EXTEND32 (temp); |
| 2236 | HI = EXTEND32 (VH4_8 (temp)); |
| 2237 | TRACE_ALU_RESULT2 (HI, LO); |
| 2238 | } |
| 2239 | |
| 2240 | |
| 2241 | |
| 2242 | 000000,5.RS,000000000000000,010001:SPECIAL:32::MTHI |
| 2243 | "mthi r<RS>" |
| 2244 | *mipsI: |
| 2245 | *mipsII: |
| 2246 | *mipsIII: |
| 2247 | *mipsIV: |
| 2248 | *mipsV: |
| 2249 | *mips32: |
| 2250 | *mips64: |
| 2251 | *vr4100: |
| 2252 | *vr5000: |
| 2253 | *r3900: |
| 2254 | { |
| 2255 | check_mt_hilo (SD_, HIHISTORY); |
| 2256 | HI = GPR[RS]; |
| 2257 | } |
| 2258 | |
| 2259 | |
| 2260 | |
| 2261 | 000000,5.RS,000000000000000,010011:SPECIAL:32::MTLO |
| 2262 | "mtlo r<RS>" |
| 2263 | *mipsI: |
| 2264 | *mipsII: |
| 2265 | *mipsIII: |
| 2266 | *mipsIV: |
| 2267 | *mipsV: |
| 2268 | *mips32: |
| 2269 | *mips64: |
| 2270 | *vr4100: |
| 2271 | *vr5000: |
| 2272 | *r3900: |
| 2273 | { |
| 2274 | check_mt_hilo (SD_, LOHISTORY); |
| 2275 | LO = GPR[RS]; |
| 2276 | } |
| 2277 | |
| 2278 | |
| 2279 | |
| 2280 | 011100,5.RS,5.RT,5.RD,00000,000010:SPECIAL2:32::MUL |
| 2281 | "mul r<RD>, r<RS>, r<RT>" |
| 2282 | *mips32: |
| 2283 | *mips64: |
| 2284 | { |
| 2285 | signed64 prod; |
| 2286 | TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]); |
| 2287 | prod = (((signed64)(signed32) GPR[RS]) |
| 2288 | * ((signed64)(signed32) GPR[RT])); |
| 2289 | GPR[RD] = EXTEND32 (VL4_8 (prod)); |
| 2290 | TRACE_ALU_RESULT (GPR[RD]); |
| 2291 | } |
| 2292 | |
| 2293 | |
| 2294 | |
| 2295 | :function:::void:do_mult:int rs, int rt, int rd |
| 2296 | { |
| 2297 | signed64 prod; |
| 2298 | check_mult_hilo (SD_, HIHISTORY, LOHISTORY); |
| 2299 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 2300 | prod = (((signed64)(signed32) GPR[rs]) |
| 2301 | * ((signed64)(signed32) GPR[rt])); |
| 2302 | LO = EXTEND32 (VL4_8 (prod)); |
| 2303 | HI = EXTEND32 (VH4_8 (prod)); |
| 2304 | if (rd != 0) |
| 2305 | GPR[rd] = LO; |
| 2306 | TRACE_ALU_RESULT2 (HI, LO); |
| 2307 | } |
| 2308 | |
| 2309 | 000000,5.RS,5.RT,0000000000,011000:SPECIAL:32::MULT |
| 2310 | "mult r<RS>, r<RT>" |
| 2311 | *mipsI: |
| 2312 | *mipsII: |
| 2313 | *mipsIII: |
| 2314 | *mipsIV: |
| 2315 | *mipsV: |
| 2316 | *mips32: |
| 2317 | *mips64: |
| 2318 | *vr4100: |
| 2319 | { |
| 2320 | do_mult (SD_, RS, RT, 0); |
| 2321 | } |
| 2322 | |
| 2323 | |
| 2324 | 000000,5.RS,5.RT,5.RD,00000,011000:SPECIAL:32::MULT |
| 2325 | "mult r<RS>, r<RT>":RD == 0 |
| 2326 | "mult r<RD>, r<RS>, r<RT>" |
| 2327 | *vr5000: |
| 2328 | *r3900: |
| 2329 | { |
| 2330 | do_mult (SD_, RS, RT, RD); |
| 2331 | } |
| 2332 | |
| 2333 | |
| 2334 | :function:::void:do_multu:int rs, int rt, int rd |
| 2335 | { |
| 2336 | unsigned64 prod; |
| 2337 | check_mult_hilo (SD_, HIHISTORY, LOHISTORY); |
| 2338 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 2339 | prod = (((unsigned64)(unsigned32) GPR[rs]) |
| 2340 | * ((unsigned64)(unsigned32) GPR[rt])); |
| 2341 | LO = EXTEND32 (VL4_8 (prod)); |
| 2342 | HI = EXTEND32 (VH4_8 (prod)); |
| 2343 | if (rd != 0) |
| 2344 | GPR[rd] = LO; |
| 2345 | TRACE_ALU_RESULT2 (HI, LO); |
| 2346 | } |
| 2347 | |
| 2348 | 000000,5.RS,5.RT,0000000000,011001:SPECIAL:32::MULTU |
| 2349 | "multu r<RS>, r<RT>" |
| 2350 | *mipsI: |
| 2351 | *mipsII: |
| 2352 | *mipsIII: |
| 2353 | *mipsIV: |
| 2354 | *mipsV: |
| 2355 | *mips32: |
| 2356 | *mips64: |
| 2357 | *vr4100: |
| 2358 | { |
| 2359 | do_multu (SD_, RS, RT, 0); |
| 2360 | } |
| 2361 | |
| 2362 | 000000,5.RS,5.RT,5.RD,00000,011001:SPECIAL:32::MULTU |
| 2363 | "multu r<RS>, r<RT>":RD == 0 |
| 2364 | "multu r<RD>, r<RS>, r<RT>" |
| 2365 | *vr5000: |
| 2366 | *r3900: |
| 2367 | { |
| 2368 | do_multu (SD_, RS, RT, RD); |
| 2369 | } |
| 2370 | |
| 2371 | |
| 2372 | :function:::void:do_nor:int rs, int rt, int rd |
| 2373 | { |
| 2374 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 2375 | GPR[rd] = ~ (GPR[rs] | GPR[rt]); |
| 2376 | TRACE_ALU_RESULT (GPR[rd]); |
| 2377 | } |
| 2378 | |
| 2379 | 000000,5.RS,5.RT,5.RD,00000,100111:SPECIAL:32::NOR |
| 2380 | "nor r<RD>, r<RS>, r<RT>" |
| 2381 | *mipsI: |
| 2382 | *mipsII: |
| 2383 | *mipsIII: |
| 2384 | *mipsIV: |
| 2385 | *mipsV: |
| 2386 | *mips32: |
| 2387 | *mips64: |
| 2388 | *vr4100: |
| 2389 | *vr5000: |
| 2390 | *r3900: |
| 2391 | { |
| 2392 | do_nor (SD_, RS, RT, RD); |
| 2393 | } |
| 2394 | |
| 2395 | |
| 2396 | :function:::void:do_or:int rs, int rt, int rd |
| 2397 | { |
| 2398 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 2399 | GPR[rd] = (GPR[rs] | GPR[rt]); |
| 2400 | TRACE_ALU_RESULT (GPR[rd]); |
| 2401 | } |
| 2402 | |
| 2403 | 000000,5.RS,5.RT,5.RD,00000,100101:SPECIAL:32::OR |
| 2404 | "or r<RD>, r<RS>, r<RT>" |
| 2405 | *mipsI: |
| 2406 | *mipsII: |
| 2407 | *mipsIII: |
| 2408 | *mipsIV: |
| 2409 | *mipsV: |
| 2410 | *mips32: |
| 2411 | *mips64: |
| 2412 | *vr4100: |
| 2413 | *vr5000: |
| 2414 | *r3900: |
| 2415 | { |
| 2416 | do_or (SD_, RS, RT, RD); |
| 2417 | } |
| 2418 | |
| 2419 | |
| 2420 | |
| 2421 | :function:::void:do_ori:int rs, int rt, unsigned immediate |
| 2422 | { |
| 2423 | TRACE_ALU_INPUT2 (GPR[rs], immediate); |
| 2424 | GPR[rt] = (GPR[rs] | immediate); |
| 2425 | TRACE_ALU_RESULT (GPR[rt]); |
| 2426 | } |
| 2427 | |
| 2428 | 001101,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::ORI |
| 2429 | "ori r<RT>, r<RS>, %#lx<IMMEDIATE>" |
| 2430 | *mipsI: |
| 2431 | *mipsII: |
| 2432 | *mipsIII: |
| 2433 | *mipsIV: |
| 2434 | *mipsV: |
| 2435 | *mips32: |
| 2436 | *mips64: |
| 2437 | *vr4100: |
| 2438 | *vr5000: |
| 2439 | *r3900: |
| 2440 | { |
| 2441 | do_ori (SD_, RS, RT, IMMEDIATE); |
| 2442 | } |
| 2443 | |
| 2444 | |
| 2445 | 110011,5.BASE,5.HINT,16.OFFSET:NORMAL:32::PREF |
| 2446 | "pref <HINT>, <OFFSET>(r<BASE>)" |
| 2447 | *mipsIV: |
| 2448 | *mipsV: |
| 2449 | *mips32: |
| 2450 | *mips64: |
| 2451 | *vr5000: |
| 2452 | { |
| 2453 | address_word base = GPR[BASE]; |
| 2454 | address_word offset = EXTEND16 (OFFSET); |
| 2455 | { |
| 2456 | address_word vaddr = loadstore_ea (SD_, base, offset); |
| 2457 | address_word paddr; |
| 2458 | int uncached; |
| 2459 | { |
| 2460 | if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) |
| 2461 | Prefetch(uncached,paddr,vaddr,isDATA,HINT); |
| 2462 | } |
| 2463 | } |
| 2464 | } |
| 2465 | |
| 2466 | |
| 2467 | :function:::void:do_store:unsigned access, address_word base, address_word offset, unsigned_word word |
| 2468 | { |
| 2469 | address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); |
| 2470 | address_word reverseendian = (ReverseEndian ? (mask ^ access) : 0); |
| 2471 | address_word bigendiancpu = (BigEndianCPU ? (mask ^ access) : 0); |
| 2472 | unsigned int byte; |
| 2473 | address_word paddr; |
| 2474 | int uncached; |
| 2475 | unsigned64 memval; |
| 2476 | address_word vaddr; |
| 2477 | |
| 2478 | vaddr = loadstore_ea (SD_, base, offset); |
| 2479 | if ((vaddr & access) != 0) |
| 2480 | { |
| 2481 | SIM_CORE_SIGNAL (SD, STATE_CPU(SD, 0), cia, read_map, access+1, vaddr, write_transfer, sim_core_unaligned_signal); |
| 2482 | } |
| 2483 | AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET, isREAL); |
| 2484 | paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian)); |
| 2485 | byte = ((vaddr & mask) ^ bigendiancpu); |
| 2486 | memval = (word << (8 * byte)); |
| 2487 | StoreMemory (uncached, access, memval, 0, paddr, vaddr, isREAL); |
| 2488 | } |
| 2489 | |
| 2490 | :function:::void:do_store_left:unsigned access, address_word base, address_word offset, unsigned_word rt |
| 2491 | { |
| 2492 | address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); |
| 2493 | address_word reverseendian = (ReverseEndian ? -1 : 0); |
| 2494 | address_word bigendiancpu = (BigEndianCPU ? -1 : 0); |
| 2495 | unsigned int byte; |
| 2496 | unsigned int word; |
| 2497 | address_word paddr; |
| 2498 | int uncached; |
| 2499 | unsigned64 memval; |
| 2500 | address_word vaddr; |
| 2501 | int nr_lhs_bits; |
| 2502 | int nr_rhs_bits; |
| 2503 | |
| 2504 | vaddr = loadstore_ea (SD_, base, offset); |
| 2505 | AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET, isREAL); |
| 2506 | paddr = (paddr ^ (reverseendian & mask)); |
| 2507 | if (BigEndianMem == 0) |
| 2508 | paddr = paddr & ~access; |
| 2509 | |
| 2510 | /* compute where within the word/mem we are */ |
| 2511 | byte = ((vaddr ^ bigendiancpu) & access); /* 0..access */ |
| 2512 | word = ((vaddr ^ bigendiancpu) & (mask & ~access)) / (access + 1); /* 0..1 */ |
| 2513 | nr_lhs_bits = 8 * byte + 8; |
| 2514 | nr_rhs_bits = 8 * access - 8 * byte; |
| 2515 | /* nr_lhs_bits + nr_rhs_bits == 8 * (accesss + 1) */ |
| 2516 | /* fprintf (stderr, "s[wd]l: 0x%08lx%08lx 0x%08lx%08lx %d:%d %d+%d\n", |
| 2517 | (long) ((unsigned64) vaddr >> 32), (long) vaddr, |
| 2518 | (long) ((unsigned64) paddr >> 32), (long) paddr, |
| 2519 | word, byte, nr_lhs_bits, nr_rhs_bits); */ |
| 2520 | |
| 2521 | if (word == 0) |
| 2522 | { |
| 2523 | memval = (rt >> nr_rhs_bits); |
| 2524 | } |
| 2525 | else |
| 2526 | { |
| 2527 | memval = (rt << nr_lhs_bits); |
| 2528 | } |
| 2529 | /* fprintf (stderr, "s[wd]l: 0x%08lx%08lx -> 0x%08lx%08lx\n", |
| 2530 | (long) ((unsigned64) rt >> 32), (long) rt, |
| 2531 | (long) ((unsigned64) memval >> 32), (long) memval); */ |
| 2532 | StoreMemory (uncached, byte, memval, 0, paddr, vaddr, isREAL); |
| 2533 | } |
| 2534 | |
| 2535 | :function:::void:do_store_right:unsigned access, address_word base, address_word offset, unsigned_word rt |
| 2536 | { |
| 2537 | address_word mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); |
| 2538 | address_word reverseendian = (ReverseEndian ? -1 : 0); |
| 2539 | address_word bigendiancpu = (BigEndianCPU ? -1 : 0); |
| 2540 | unsigned int byte; |
| 2541 | address_word paddr; |
| 2542 | int uncached; |
| 2543 | unsigned64 memval; |
| 2544 | address_word vaddr; |
| 2545 | |
| 2546 | vaddr = loadstore_ea (SD_, base, offset); |
| 2547 | AddressTranslation (vaddr, isDATA, isSTORE, &paddr, &uncached, isTARGET, isREAL); |
| 2548 | paddr = (paddr ^ (reverseendian & mask)); |
| 2549 | if (BigEndianMem != 0) |
| 2550 | paddr &= ~access; |
| 2551 | byte = ((vaddr & mask) ^ (bigendiancpu & mask)); |
| 2552 | memval = (rt << (byte * 8)); |
| 2553 | StoreMemory (uncached, access - (access & byte), memval, 0, paddr, vaddr, isREAL); |
| 2554 | } |
| 2555 | |
| 2556 | |
| 2557 | 101000,5.BASE,5.RT,16.OFFSET:NORMAL:32::SB |
| 2558 | "sb r<RT>, <OFFSET>(r<BASE>)" |
| 2559 | *mipsI: |
| 2560 | *mipsII: |
| 2561 | *mipsIII: |
| 2562 | *mipsIV: |
| 2563 | *mipsV: |
| 2564 | *mips32: |
| 2565 | *mips64: |
| 2566 | *vr4100: |
| 2567 | *vr5000: |
| 2568 | *r3900: |
| 2569 | { |
| 2570 | do_store (SD_, AccessLength_BYTE, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); |
| 2571 | } |
| 2572 | |
| 2573 | |
| 2574 | 111000,5.BASE,5.RT,16.OFFSET:NORMAL:32::SC |
| 2575 | "sc r<RT>, <OFFSET>(r<BASE>)" |
| 2576 | *mipsII: |
| 2577 | *mipsIII: |
| 2578 | *mipsIV: |
| 2579 | *mipsV: |
| 2580 | *mips32: |
| 2581 | *mips64: |
| 2582 | *vr4100: |
| 2583 | *vr5000: |
| 2584 | { |
| 2585 | unsigned32 instruction = instruction_0; |
| 2586 | address_word base = GPR[BASE]; |
| 2587 | address_word offset = EXTEND16 (OFFSET); |
| 2588 | { |
| 2589 | address_word vaddr = loadstore_ea (SD_, base, offset); |
| 2590 | address_word paddr; |
| 2591 | int uncached; |
| 2592 | if ((vaddr & 3) != 0) |
| 2593 | { |
| 2594 | SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer, sim_core_unaligned_signal); |
| 2595 | } |
| 2596 | else |
| 2597 | { |
| 2598 | if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) |
| 2599 | { |
| 2600 | unsigned64 memval = 0; |
| 2601 | unsigned64 memval1 = 0; |
| 2602 | unsigned64 mask = 0x7; |
| 2603 | unsigned int byte; |
| 2604 | paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2))); |
| 2605 | byte = ((vaddr & mask) ^ (BigEndianCPU << 2)); |
| 2606 | memval = ((unsigned64) GPR[RT] << (8 * byte)); |
| 2607 | if (LLBIT) |
| 2608 | { |
| 2609 | StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); |
| 2610 | } |
| 2611 | GPR[RT] = LLBIT; |
| 2612 | } |
| 2613 | } |
| 2614 | } |
| 2615 | } |
| 2616 | |
| 2617 | |
| 2618 | 111100,5.BASE,5.RT,16.OFFSET:NORMAL:64::SCD |
| 2619 | "scd r<RT>, <OFFSET>(r<BASE>)" |
| 2620 | *mipsIII: |
| 2621 | *mipsIV: |
| 2622 | *mipsV: |
| 2623 | *mips64: |
| 2624 | *vr4100: |
| 2625 | *vr5000: |
| 2626 | { |
| 2627 | address_word base = GPR[BASE]; |
| 2628 | address_word offset = EXTEND16 (OFFSET); |
| 2629 | check_u64 (SD_, instruction_0); |
| 2630 | { |
| 2631 | address_word vaddr = loadstore_ea (SD_, base, offset); |
| 2632 | address_word paddr; |
| 2633 | int uncached; |
| 2634 | if ((vaddr & 7) != 0) |
| 2635 | { |
| 2636 | SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 8, vaddr, write_transfer, sim_core_unaligned_signal); |
| 2637 | } |
| 2638 | else |
| 2639 | { |
| 2640 | if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) |
| 2641 | { |
| 2642 | unsigned64 memval = 0; |
| 2643 | unsigned64 memval1 = 0; |
| 2644 | memval = GPR[RT]; |
| 2645 | if (LLBIT) |
| 2646 | { |
| 2647 | StoreMemory(uncached,AccessLength_DOUBLEWORD,memval,memval1,paddr,vaddr,isREAL); |
| 2648 | } |
| 2649 | GPR[RT] = LLBIT; |
| 2650 | } |
| 2651 | } |
| 2652 | } |
| 2653 | } |
| 2654 | |
| 2655 | |
| 2656 | 111111,5.BASE,5.RT,16.OFFSET:NORMAL:64::SD |
| 2657 | "sd r<RT>, <OFFSET>(r<BASE>)" |
| 2658 | *mipsIII: |
| 2659 | *mipsIV: |
| 2660 | *mipsV: |
| 2661 | *mips64: |
| 2662 | *vr4100: |
| 2663 | *vr5000: |
| 2664 | { |
| 2665 | check_u64 (SD_, instruction_0); |
| 2666 | do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); |
| 2667 | } |
| 2668 | |
| 2669 | |
| 2670 | 1111,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:64::SDCz |
| 2671 | "sdc<ZZ> r<RT>, <OFFSET>(r<BASE>)" |
| 2672 | *mipsII: |
| 2673 | *mipsIII: |
| 2674 | *mipsIV: |
| 2675 | *mipsV: |
| 2676 | *mips32: |
| 2677 | *mips64: |
| 2678 | *vr4100: |
| 2679 | *vr5000: |
| 2680 | { |
| 2681 | do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), COP_SD (ZZ, RT)); |
| 2682 | } |
| 2683 | |
| 2684 | |
| 2685 | 101100,5.BASE,5.RT,16.OFFSET:NORMAL:64::SDL |
| 2686 | "sdl r<RT>, <OFFSET>(r<BASE>)" |
| 2687 | *mipsIII: |
| 2688 | *mipsIV: |
| 2689 | *mipsV: |
| 2690 | *mips64: |
| 2691 | *vr4100: |
| 2692 | *vr5000: |
| 2693 | { |
| 2694 | check_u64 (SD_, instruction_0); |
| 2695 | do_store_left (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); |
| 2696 | } |
| 2697 | |
| 2698 | |
| 2699 | 101101,5.BASE,5.RT,16.OFFSET:NORMAL:64::SDR |
| 2700 | "sdr r<RT>, <OFFSET>(r<BASE>)" |
| 2701 | *mipsIII: |
| 2702 | *mipsIV: |
| 2703 | *mipsV: |
| 2704 | *mips64: |
| 2705 | *vr4100: |
| 2706 | *vr5000: |
| 2707 | { |
| 2708 | check_u64 (SD_, instruction_0); |
| 2709 | do_store_right (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); |
| 2710 | } |
| 2711 | |
| 2712 | |
| 2713 | 101001,5.BASE,5.RT,16.OFFSET:NORMAL:32::SH |
| 2714 | "sh r<RT>, <OFFSET>(r<BASE>)" |
| 2715 | *mipsI: |
| 2716 | *mipsII: |
| 2717 | *mipsIII: |
| 2718 | *mipsIV: |
| 2719 | *mipsV: |
| 2720 | *mips32: |
| 2721 | *mips64: |
| 2722 | *vr4100: |
| 2723 | *vr5000: |
| 2724 | *r3900: |
| 2725 | { |
| 2726 | do_store (SD_, AccessLength_HALFWORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); |
| 2727 | } |
| 2728 | |
| 2729 | |
| 2730 | :function:::void:do_sll:int rt, int rd, int shift |
| 2731 | { |
| 2732 | unsigned32 temp = (GPR[rt] << shift); |
| 2733 | TRACE_ALU_INPUT2 (GPR[rt], shift); |
| 2734 | GPR[rd] = EXTEND32 (temp); |
| 2735 | TRACE_ALU_RESULT (GPR[rd]); |
| 2736 | } |
| 2737 | |
| 2738 | 000000,00000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLLa |
| 2739 | "nop":RD == 0 && RT == 0 && SHIFT == 0 |
| 2740 | "sll r<RD>, r<RT>, <SHIFT>" |
| 2741 | *mipsI: |
| 2742 | *mipsII: |
| 2743 | *mipsIII: |
| 2744 | *mipsIV: |
| 2745 | *mipsV: |
| 2746 | *vr4100: |
| 2747 | *vr5000: |
| 2748 | *r3900: |
| 2749 | { |
| 2750 | /* Skip shift for NOP, so that there won't be lots of extraneous |
| 2751 | trace output. */ |
| 2752 | if (RD != 0 || RT != 0 || SHIFT != 0) |
| 2753 | do_sll (SD_, RT, RD, SHIFT); |
| 2754 | } |
| 2755 | |
| 2756 | 000000,00000,5.RT,5.RD,5.SHIFT,000000:SPECIAL:32::SLLb |
| 2757 | "nop":RD == 0 && RT == 0 && SHIFT == 0 |
| 2758 | "ssnop":RD == 0 && RT == 0 && SHIFT == 1 |
| 2759 | "sll r<RD>, r<RT>, <SHIFT>" |
| 2760 | *mips32: |
| 2761 | *mips64: |
| 2762 | { |
| 2763 | /* Skip shift for NOP and SSNOP, so that there won't be lots of |
| 2764 | extraneous trace output. */ |
| 2765 | if (RD != 0 || RT != 0 || (SHIFT != 0 && SHIFT != 1)) |
| 2766 | do_sll (SD_, RT, RD, SHIFT); |
| 2767 | } |
| 2768 | |
| 2769 | |
| 2770 | :function:::void:do_sllv:int rs, int rt, int rd |
| 2771 | { |
| 2772 | int s = MASKED (GPR[rs], 4, 0); |
| 2773 | unsigned32 temp = (GPR[rt] << s); |
| 2774 | TRACE_ALU_INPUT2 (GPR[rt], s); |
| 2775 | GPR[rd] = EXTEND32 (temp); |
| 2776 | TRACE_ALU_RESULT (GPR[rd]); |
| 2777 | } |
| 2778 | |
| 2779 | 000000,5.RS,5.RT,5.RD,00000,000100:SPECIAL:32::SLLV |
| 2780 | "sllv r<RD>, r<RT>, r<RS>" |
| 2781 | *mipsI: |
| 2782 | *mipsII: |
| 2783 | *mipsIII: |
| 2784 | *mipsIV: |
| 2785 | *mipsV: |
| 2786 | *mips32: |
| 2787 | *mips64: |
| 2788 | *vr4100: |
| 2789 | *vr5000: |
| 2790 | *r3900: |
| 2791 | { |
| 2792 | do_sllv (SD_, RS, RT, RD); |
| 2793 | } |
| 2794 | |
| 2795 | |
| 2796 | :function:::void:do_slt:int rs, int rt, int rd |
| 2797 | { |
| 2798 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 2799 | GPR[rd] = ((signed_word) GPR[rs] < (signed_word) GPR[rt]); |
| 2800 | TRACE_ALU_RESULT (GPR[rd]); |
| 2801 | } |
| 2802 | |
| 2803 | 000000,5.RS,5.RT,5.RD,00000,101010:SPECIAL:32::SLT |
| 2804 | "slt r<RD>, r<RS>, r<RT>" |
| 2805 | *mipsI: |
| 2806 | *mipsII: |
| 2807 | *mipsIII: |
| 2808 | *mipsIV: |
| 2809 | *mipsV: |
| 2810 | *mips32: |
| 2811 | *mips64: |
| 2812 | *vr4100: |
| 2813 | *vr5000: |
| 2814 | *r3900: |
| 2815 | { |
| 2816 | do_slt (SD_, RS, RT, RD); |
| 2817 | } |
| 2818 | |
| 2819 | |
| 2820 | :function:::void:do_slti:int rs, int rt, unsigned16 immediate |
| 2821 | { |
| 2822 | TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate)); |
| 2823 | GPR[rt] = ((signed_word) GPR[rs] < (signed_word) EXTEND16 (immediate)); |
| 2824 | TRACE_ALU_RESULT (GPR[rt]); |
| 2825 | } |
| 2826 | |
| 2827 | 001010,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTI |
| 2828 | "slti r<RT>, r<RS>, <IMMEDIATE>" |
| 2829 | *mipsI: |
| 2830 | *mipsII: |
| 2831 | *mipsIII: |
| 2832 | *mipsIV: |
| 2833 | *mipsV: |
| 2834 | *mips32: |
| 2835 | *mips64: |
| 2836 | *vr4100: |
| 2837 | *vr5000: |
| 2838 | *r3900: |
| 2839 | { |
| 2840 | do_slti (SD_, RS, RT, IMMEDIATE); |
| 2841 | } |
| 2842 | |
| 2843 | |
| 2844 | :function:::void:do_sltiu:int rs, int rt, unsigned16 immediate |
| 2845 | { |
| 2846 | TRACE_ALU_INPUT2 (GPR[rs], EXTEND16 (immediate)); |
| 2847 | GPR[rt] = ((unsigned_word) GPR[rs] < (unsigned_word) EXTEND16 (immediate)); |
| 2848 | TRACE_ALU_RESULT (GPR[rt]); |
| 2849 | } |
| 2850 | |
| 2851 | 001011,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::SLTIU |
| 2852 | "sltiu r<RT>, r<RS>, <IMMEDIATE>" |
| 2853 | *mipsI: |
| 2854 | *mipsII: |
| 2855 | *mipsIII: |
| 2856 | *mipsIV: |
| 2857 | *mipsV: |
| 2858 | *mips32: |
| 2859 | *mips64: |
| 2860 | *vr4100: |
| 2861 | *vr5000: |
| 2862 | *r3900: |
| 2863 | { |
| 2864 | do_sltiu (SD_, RS, RT, IMMEDIATE); |
| 2865 | } |
| 2866 | |
| 2867 | |
| 2868 | |
| 2869 | :function:::void:do_sltu:int rs, int rt, int rd |
| 2870 | { |
| 2871 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 2872 | GPR[rd] = ((unsigned_word) GPR[rs] < (unsigned_word) GPR[rt]); |
| 2873 | TRACE_ALU_RESULT (GPR[rd]); |
| 2874 | } |
| 2875 | |
| 2876 | 000000,5.RS,5.RT,5.RD,00000,101011:SPECIAL:32::SLTU |
| 2877 | "sltu r<RD>, r<RS>, r<RT>" |
| 2878 | *mipsI: |
| 2879 | *mipsII: |
| 2880 | *mipsIII: |
| 2881 | *mipsIV: |
| 2882 | *mipsV: |
| 2883 | *mips32: |
| 2884 | *mips64: |
| 2885 | *vr4100: |
| 2886 | *vr5000: |
| 2887 | *r3900: |
| 2888 | { |
| 2889 | do_sltu (SD_, RS, RT, RD); |
| 2890 | } |
| 2891 | |
| 2892 | |
| 2893 | :function:::void:do_sra:int rt, int rd, int shift |
| 2894 | { |
| 2895 | signed32 temp = (signed32) GPR[rt] >> shift; |
| 2896 | TRACE_ALU_INPUT2 (GPR[rt], shift); |
| 2897 | GPR[rd] = EXTEND32 (temp); |
| 2898 | TRACE_ALU_RESULT (GPR[rd]); |
| 2899 | } |
| 2900 | |
| 2901 | 000000,00000,5.RT,5.RD,5.SHIFT,000011:SPECIAL:32::SRA |
| 2902 | "sra r<RD>, r<RT>, <SHIFT>" |
| 2903 | *mipsI: |
| 2904 | *mipsII: |
| 2905 | *mipsIII: |
| 2906 | *mipsIV: |
| 2907 | *mipsV: |
| 2908 | *mips32: |
| 2909 | *mips64: |
| 2910 | *vr4100: |
| 2911 | *vr5000: |
| 2912 | *r3900: |
| 2913 | { |
| 2914 | do_sra (SD_, RT, RD, SHIFT); |
| 2915 | } |
| 2916 | |
| 2917 | |
| 2918 | |
| 2919 | :function:::void:do_srav:int rs, int rt, int rd |
| 2920 | { |
| 2921 | int s = MASKED (GPR[rs], 4, 0); |
| 2922 | signed32 temp = (signed32) GPR[rt] >> s; |
| 2923 | TRACE_ALU_INPUT2 (GPR[rt], s); |
| 2924 | GPR[rd] = EXTEND32 (temp); |
| 2925 | TRACE_ALU_RESULT (GPR[rd]); |
| 2926 | } |
| 2927 | |
| 2928 | 000000,5.RS,5.RT,5.RD,00000,000111:SPECIAL:32::SRAV |
| 2929 | "srav r<RD>, r<RT>, r<RS>" |
| 2930 | *mipsI: |
| 2931 | *mipsII: |
| 2932 | *mipsIII: |
| 2933 | *mipsIV: |
| 2934 | *mipsV: |
| 2935 | *mips32: |
| 2936 | *mips64: |
| 2937 | *vr4100: |
| 2938 | *vr5000: |
| 2939 | *r3900: |
| 2940 | { |
| 2941 | do_srav (SD_, RS, RT, RD); |
| 2942 | } |
| 2943 | |
| 2944 | |
| 2945 | |
| 2946 | :function:::void:do_srl:int rt, int rd, int shift |
| 2947 | { |
| 2948 | unsigned32 temp = (unsigned32) GPR[rt] >> shift; |
| 2949 | TRACE_ALU_INPUT2 (GPR[rt], shift); |
| 2950 | GPR[rd] = EXTEND32 (temp); |
| 2951 | TRACE_ALU_RESULT (GPR[rd]); |
| 2952 | } |
| 2953 | |
| 2954 | 000000,00000,5.RT,5.RD,5.SHIFT,000010:SPECIAL:32::SRL |
| 2955 | "srl r<RD>, r<RT>, <SHIFT>" |
| 2956 | *mipsI: |
| 2957 | *mipsII: |
| 2958 | *mipsIII: |
| 2959 | *mipsIV: |
| 2960 | *mipsV: |
| 2961 | *mips32: |
| 2962 | *mips64: |
| 2963 | *vr4100: |
| 2964 | *vr5000: |
| 2965 | *r3900: |
| 2966 | { |
| 2967 | do_srl (SD_, RT, RD, SHIFT); |
| 2968 | } |
| 2969 | |
| 2970 | |
| 2971 | :function:::void:do_srlv:int rs, int rt, int rd |
| 2972 | { |
| 2973 | int s = MASKED (GPR[rs], 4, 0); |
| 2974 | unsigned32 temp = (unsigned32) GPR[rt] >> s; |
| 2975 | TRACE_ALU_INPUT2 (GPR[rt], s); |
| 2976 | GPR[rd] = EXTEND32 (temp); |
| 2977 | TRACE_ALU_RESULT (GPR[rd]); |
| 2978 | } |
| 2979 | |
| 2980 | 000000,5.RS,5.RT,5.RD,00000,000110:SPECIAL:32::SRLV |
| 2981 | "srlv r<RD>, r<RT>, r<RS>" |
| 2982 | *mipsI: |
| 2983 | *mipsII: |
| 2984 | *mipsIII: |
| 2985 | *mipsIV: |
| 2986 | *mipsV: |
| 2987 | *mips32: |
| 2988 | *mips64: |
| 2989 | *vr4100: |
| 2990 | *vr5000: |
| 2991 | *r3900: |
| 2992 | { |
| 2993 | do_srlv (SD_, RS, RT, RD); |
| 2994 | } |
| 2995 | |
| 2996 | |
| 2997 | 000000,5.RS,5.RT,5.RD,00000,100010:SPECIAL:32::SUB |
| 2998 | "sub r<RD>, r<RS>, r<RT>" |
| 2999 | *mipsI: |
| 3000 | *mipsII: |
| 3001 | *mipsIII: |
| 3002 | *mipsIV: |
| 3003 | *mipsV: |
| 3004 | *mips32: |
| 3005 | *mips64: |
| 3006 | *vr4100: |
| 3007 | *vr5000: |
| 3008 | *r3900: |
| 3009 | { |
| 3010 | TRACE_ALU_INPUT2 (GPR[RS], GPR[RT]); |
| 3011 | { |
| 3012 | ALU32_BEGIN (GPR[RS]); |
| 3013 | ALU32_SUB (GPR[RT]); |
| 3014 | ALU32_END (GPR[RD]); /* This checks for overflow. */ |
| 3015 | } |
| 3016 | TRACE_ALU_RESULT (GPR[RD]); |
| 3017 | } |
| 3018 | |
| 3019 | |
| 3020 | :function:::void:do_subu:int rs, int rt, int rd |
| 3021 | { |
| 3022 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 3023 | GPR[rd] = EXTEND32 (GPR[rs] - GPR[rt]); |
| 3024 | TRACE_ALU_RESULT (GPR[rd]); |
| 3025 | } |
| 3026 | |
| 3027 | 000000,5.RS,5.RT,5.RD,00000,100011:SPECIAL:32::SUBU |
| 3028 | "subu r<RD>, r<RS>, r<RT>" |
| 3029 | *mipsI: |
| 3030 | *mipsII: |
| 3031 | *mipsIII: |
| 3032 | *mipsIV: |
| 3033 | *mipsV: |
| 3034 | *mips32: |
| 3035 | *mips64: |
| 3036 | *vr4100: |
| 3037 | *vr5000: |
| 3038 | *r3900: |
| 3039 | { |
| 3040 | do_subu (SD_, RS, RT, RD); |
| 3041 | } |
| 3042 | |
| 3043 | |
| 3044 | 101011,5.BASE,5.RT,16.OFFSET:NORMAL:32::SW |
| 3045 | "sw r<RT>, <OFFSET>(r<BASE>)" |
| 3046 | *mipsI: |
| 3047 | *mipsII: |
| 3048 | *mipsIII: |
| 3049 | *mipsIV: |
| 3050 | *mipsV: |
| 3051 | *mips32: |
| 3052 | *mips64: |
| 3053 | *vr4100: |
| 3054 | *r3900: |
| 3055 | *vr5000: |
| 3056 | { |
| 3057 | do_store (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); |
| 3058 | } |
| 3059 | |
| 3060 | |
| 3061 | 1110,ZZ!0!1!3,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWCz |
| 3062 | "swc<ZZ> r<RT>, <OFFSET>(r<BASE>)" |
| 3063 | *mipsI: |
| 3064 | *mipsII: |
| 3065 | *mipsIII: |
| 3066 | *mipsIV: |
| 3067 | *mipsV: |
| 3068 | *mips32: |
| 3069 | *mips64: |
| 3070 | *vr4100: |
| 3071 | *vr5000: |
| 3072 | *r3900: |
| 3073 | { |
| 3074 | do_store (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), COP_SW (ZZ, RT)); |
| 3075 | } |
| 3076 | |
| 3077 | |
| 3078 | 101010,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWL |
| 3079 | "swl r<RT>, <OFFSET>(r<BASE>)" |
| 3080 | *mipsI: |
| 3081 | *mipsII: |
| 3082 | *mipsIII: |
| 3083 | *mipsIV: |
| 3084 | *mipsV: |
| 3085 | *mips32: |
| 3086 | *mips64: |
| 3087 | *vr4100: |
| 3088 | *vr5000: |
| 3089 | *r3900: |
| 3090 | { |
| 3091 | do_store_left (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); |
| 3092 | } |
| 3093 | |
| 3094 | |
| 3095 | 101110,5.BASE,5.RT,16.OFFSET:NORMAL:32::SWR |
| 3096 | "swr r<RT>, <OFFSET>(r<BASE>)" |
| 3097 | *mipsI: |
| 3098 | *mipsII: |
| 3099 | *mipsIII: |
| 3100 | *mipsIV: |
| 3101 | *mipsV: |
| 3102 | *mips32: |
| 3103 | *mips64: |
| 3104 | *vr4100: |
| 3105 | *vr5000: |
| 3106 | *r3900: |
| 3107 | { |
| 3108 | do_store_right (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET), GPR[RT]); |
| 3109 | } |
| 3110 | |
| 3111 | |
| 3112 | 000000,000000000000000,5.STYPE,001111:SPECIAL:32::SYNC |
| 3113 | "sync":STYPE == 0 |
| 3114 | "sync <STYPE>" |
| 3115 | *mipsII: |
| 3116 | *mipsIII: |
| 3117 | *mipsIV: |
| 3118 | *mipsV: |
| 3119 | *mips32: |
| 3120 | *mips64: |
| 3121 | *vr4100: |
| 3122 | *vr5000: |
| 3123 | *r3900: |
| 3124 | { |
| 3125 | SyncOperation (STYPE); |
| 3126 | } |
| 3127 | |
| 3128 | |
| 3129 | 000000,20.CODE,001100:SPECIAL:32::SYSCALL |
| 3130 | "syscall %#lx<CODE>" |
| 3131 | *mipsI: |
| 3132 | *mipsII: |
| 3133 | *mipsIII: |
| 3134 | *mipsIV: |
| 3135 | *mipsV: |
| 3136 | *mips32: |
| 3137 | *mips64: |
| 3138 | *vr4100: |
| 3139 | *vr5000: |
| 3140 | *r3900: |
| 3141 | { |
| 3142 | SignalException (SystemCall, instruction_0); |
| 3143 | } |
| 3144 | |
| 3145 | |
| 3146 | 000000,5.RS,5.RT,10.CODE,110100:SPECIAL:32::TEQ |
| 3147 | "teq r<RS>, r<RT>" |
| 3148 | *mipsII: |
| 3149 | *mipsIII: |
| 3150 | *mipsIV: |
| 3151 | *mipsV: |
| 3152 | *mips32: |
| 3153 | *mips64: |
| 3154 | *vr4100: |
| 3155 | *vr5000: |
| 3156 | { |
| 3157 | if ((signed_word) GPR[RS] == (signed_word) GPR[RT]) |
| 3158 | SignalException (Trap, instruction_0); |
| 3159 | } |
| 3160 | |
| 3161 | |
| 3162 | 000001,5.RS,01100,16.IMMEDIATE:REGIMM:32::TEQI |
| 3163 | "teqi r<RS>, <IMMEDIATE>" |
| 3164 | *mipsII: |
| 3165 | *mipsIII: |
| 3166 | *mipsIV: |
| 3167 | *mipsV: |
| 3168 | *mips32: |
| 3169 | *mips64: |
| 3170 | *vr4100: |
| 3171 | *vr5000: |
| 3172 | { |
| 3173 | if ((signed_word) GPR[RS] == (signed_word) EXTEND16 (IMMEDIATE)) |
| 3174 | SignalException (Trap, instruction_0); |
| 3175 | } |
| 3176 | |
| 3177 | |
| 3178 | 000000,5.RS,5.RT,10.CODE,110000:SPECIAL:32::TGE |
| 3179 | "tge r<RS>, r<RT>" |
| 3180 | *mipsII: |
| 3181 | *mipsIII: |
| 3182 | *mipsIV: |
| 3183 | *mipsV: |
| 3184 | *mips32: |
| 3185 | *mips64: |
| 3186 | *vr4100: |
| 3187 | *vr5000: |
| 3188 | { |
| 3189 | if ((signed_word) GPR[RS] >= (signed_word) GPR[RT]) |
| 3190 | SignalException (Trap, instruction_0); |
| 3191 | } |
| 3192 | |
| 3193 | |
| 3194 | 000001,5.RS,01000,16.IMMEDIATE:REGIMM:32::TGEI |
| 3195 | "tgei r<RS>, <IMMEDIATE>" |
| 3196 | *mipsII: |
| 3197 | *mipsIII: |
| 3198 | *mipsIV: |
| 3199 | *mipsV: |
| 3200 | *mips32: |
| 3201 | *mips64: |
| 3202 | *vr4100: |
| 3203 | *vr5000: |
| 3204 | { |
| 3205 | if ((signed_word) GPR[RS] >= (signed_word) EXTEND16 (IMMEDIATE)) |
| 3206 | SignalException (Trap, instruction_0); |
| 3207 | } |
| 3208 | |
| 3209 | |
| 3210 | 000001,5.RS,01001,16.IMMEDIATE:REGIMM:32::TGEIU |
| 3211 | "tgeiu r<RS>, <IMMEDIATE>" |
| 3212 | *mipsII: |
| 3213 | *mipsIII: |
| 3214 | *mipsIV: |
| 3215 | *mipsV: |
| 3216 | *mips32: |
| 3217 | *mips64: |
| 3218 | *vr4100: |
| 3219 | *vr5000: |
| 3220 | { |
| 3221 | if ((unsigned_word) GPR[RS] >= (unsigned_word) EXTEND16 (IMMEDIATE)) |
| 3222 | SignalException (Trap, instruction_0); |
| 3223 | } |
| 3224 | |
| 3225 | |
| 3226 | 000000,5.RS,5.RT,10.CODE,110001:SPECIAL:32::TGEU |
| 3227 | "tgeu r<RS>, r<RT>" |
| 3228 | *mipsII: |
| 3229 | *mipsIII: |
| 3230 | *mipsIV: |
| 3231 | *mipsV: |
| 3232 | *mips32: |
| 3233 | *mips64: |
| 3234 | *vr4100: |
| 3235 | *vr5000: |
| 3236 | { |
| 3237 | if ((unsigned_word) GPR[RS] >= (unsigned_word) GPR[RT]) |
| 3238 | SignalException (Trap, instruction_0); |
| 3239 | } |
| 3240 | |
| 3241 | |
| 3242 | 000000,5.RS,5.RT,10.CODE,110010:SPECIAL:32::TLT |
| 3243 | "tlt r<RS>, r<RT>" |
| 3244 | *mipsII: |
| 3245 | *mipsIII: |
| 3246 | *mipsIV: |
| 3247 | *mipsV: |
| 3248 | *mips32: |
| 3249 | *mips64: |
| 3250 | *vr4100: |
| 3251 | *vr5000: |
| 3252 | { |
| 3253 | if ((signed_word) GPR[RS] < (signed_word) GPR[RT]) |
| 3254 | SignalException (Trap, instruction_0); |
| 3255 | } |
| 3256 | |
| 3257 | |
| 3258 | 000001,5.RS,01010,16.IMMEDIATE:REGIMM:32::TLTI |
| 3259 | "tlti r<RS>, <IMMEDIATE>" |
| 3260 | *mipsII: |
| 3261 | *mipsIII: |
| 3262 | *mipsIV: |
| 3263 | *mipsV: |
| 3264 | *mips32: |
| 3265 | *mips64: |
| 3266 | *vr4100: |
| 3267 | *vr5000: |
| 3268 | { |
| 3269 | if ((signed_word) GPR[RS] < (signed_word) EXTEND16 (IMMEDIATE)) |
| 3270 | SignalException (Trap, instruction_0); |
| 3271 | } |
| 3272 | |
| 3273 | |
| 3274 | 000001,5.RS,01011,16.IMMEDIATE:REGIMM:32::TLTIU |
| 3275 | "tltiu r<RS>, <IMMEDIATE>" |
| 3276 | *mipsII: |
| 3277 | *mipsIII: |
| 3278 | *mipsIV: |
| 3279 | *mipsV: |
| 3280 | *mips32: |
| 3281 | *mips64: |
| 3282 | *vr4100: |
| 3283 | *vr5000: |
| 3284 | { |
| 3285 | if ((unsigned_word) GPR[RS] < (unsigned_word) EXTEND16 (IMMEDIATE)) |
| 3286 | SignalException (Trap, instruction_0); |
| 3287 | } |
| 3288 | |
| 3289 | |
| 3290 | 000000,5.RS,5.RT,10.CODE,110011:SPECIAL:32::TLTU |
| 3291 | "tltu r<RS>, r<RT>" |
| 3292 | *mipsII: |
| 3293 | *mipsIII: |
| 3294 | *mipsIV: |
| 3295 | *mipsV: |
| 3296 | *mips32: |
| 3297 | *mips64: |
| 3298 | *vr4100: |
| 3299 | *vr5000: |
| 3300 | { |
| 3301 | if ((unsigned_word) GPR[RS] < (unsigned_word) GPR[RT]) |
| 3302 | SignalException (Trap, instruction_0); |
| 3303 | } |
| 3304 | |
| 3305 | |
| 3306 | 000000,5.RS,5.RT,10.CODE,110110:SPECIAL:32::TNE |
| 3307 | "tne r<RS>, r<RT>" |
| 3308 | *mipsII: |
| 3309 | *mipsIII: |
| 3310 | *mipsIV: |
| 3311 | *mipsV: |
| 3312 | *mips32: |
| 3313 | *mips64: |
| 3314 | *vr4100: |
| 3315 | *vr5000: |
| 3316 | { |
| 3317 | if ((signed_word) GPR[RS] != (signed_word) GPR[RT]) |
| 3318 | SignalException (Trap, instruction_0); |
| 3319 | } |
| 3320 | |
| 3321 | |
| 3322 | 000001,5.RS,01110,16.IMMEDIATE:REGIMM:32::TNEI |
| 3323 | "tne r<RS>, <IMMEDIATE>" |
| 3324 | *mipsII: |
| 3325 | *mipsIII: |
| 3326 | *mipsIV: |
| 3327 | *mipsV: |
| 3328 | *mips32: |
| 3329 | *mips64: |
| 3330 | *vr4100: |
| 3331 | *vr5000: |
| 3332 | { |
| 3333 | if ((signed_word) GPR[RS] != (signed_word) EXTEND16 (IMMEDIATE)) |
| 3334 | SignalException (Trap, instruction_0); |
| 3335 | } |
| 3336 | |
| 3337 | |
| 3338 | :function:::void:do_xor:int rs, int rt, int rd |
| 3339 | { |
| 3340 | TRACE_ALU_INPUT2 (GPR[rs], GPR[rt]); |
| 3341 | GPR[rd] = GPR[rs] ^ GPR[rt]; |
| 3342 | TRACE_ALU_RESULT (GPR[rd]); |
| 3343 | } |
| 3344 | |
| 3345 | 000000,5.RS,5.RT,5.RD,00000,100110:SPECIAL:32::XOR |
| 3346 | "xor r<RD>, r<RS>, r<RT>" |
| 3347 | *mipsI: |
| 3348 | *mipsII: |
| 3349 | *mipsIII: |
| 3350 | *mipsIV: |
| 3351 | *mipsV: |
| 3352 | *mips32: |
| 3353 | *mips64: |
| 3354 | *vr4100: |
| 3355 | *vr5000: |
| 3356 | *r3900: |
| 3357 | { |
| 3358 | do_xor (SD_, RS, RT, RD); |
| 3359 | } |
| 3360 | |
| 3361 | |
| 3362 | :function:::void:do_xori:int rs, int rt, unsigned16 immediate |
| 3363 | { |
| 3364 | TRACE_ALU_INPUT2 (GPR[rs], immediate); |
| 3365 | GPR[rt] = GPR[rs] ^ immediate; |
| 3366 | TRACE_ALU_RESULT (GPR[rt]); |
| 3367 | } |
| 3368 | |
| 3369 | 001110,5.RS,5.RT,16.IMMEDIATE:NORMAL:32::XORI |
| 3370 | "xori r<RT>, r<RS>, %#lx<IMMEDIATE>" |
| 3371 | *mipsI: |
| 3372 | *mipsII: |
| 3373 | *mipsIII: |
| 3374 | *mipsIV: |
| 3375 | *mipsV: |
| 3376 | *mips32: |
| 3377 | *mips64: |
| 3378 | *vr4100: |
| 3379 | *vr5000: |
| 3380 | *r3900: |
| 3381 | { |
| 3382 | do_xori (SD_, RS, RT, IMMEDIATE); |
| 3383 | } |
| 3384 | |
| 3385 | \f |
| 3386 | // |
| 3387 | // MIPS Architecture: |
| 3388 | // |
| 3389 | // FPU Instruction Set (COP1 & COP1X) |
| 3390 | // |
| 3391 | |
| 3392 | |
| 3393 | :%s::::FMT:int fmt |
| 3394 | { |
| 3395 | switch (fmt) |
| 3396 | { |
| 3397 | case fmt_single: return "s"; |
| 3398 | case fmt_double: return "d"; |
| 3399 | case fmt_word: return "w"; |
| 3400 | case fmt_long: return "l"; |
| 3401 | default: return "?"; |
| 3402 | } |
| 3403 | } |
| 3404 | |
| 3405 | :%s::::X:int x |
| 3406 | { |
| 3407 | switch (x) |
| 3408 | { |
| 3409 | case 0: return "f"; |
| 3410 | case 1: return "t"; |
| 3411 | default: return "?"; |
| 3412 | } |
| 3413 | } |
| 3414 | |
| 3415 | :%s::::TF:int tf |
| 3416 | { |
| 3417 | if (tf) |
| 3418 | return "t"; |
| 3419 | else |
| 3420 | return "f"; |
| 3421 | } |
| 3422 | |
| 3423 | :%s::::ND:int nd |
| 3424 | { |
| 3425 | if (nd) |
| 3426 | return "l"; |
| 3427 | else |
| 3428 | return ""; |
| 3429 | } |
| 3430 | |
| 3431 | :%s::::COND:int cond |
| 3432 | { |
| 3433 | switch (cond) |
| 3434 | { |
| 3435 | case 00: return "f"; |
| 3436 | case 01: return "un"; |
| 3437 | case 02: return "eq"; |
| 3438 | case 03: return "ueq"; |
| 3439 | case 04: return "olt"; |
| 3440 | case 05: return "ult"; |
| 3441 | case 06: return "ole"; |
| 3442 | case 07: return "ule"; |
| 3443 | case 010: return "sf"; |
| 3444 | case 011: return "ngle"; |
| 3445 | case 012: return "seq"; |
| 3446 | case 013: return "ngl"; |
| 3447 | case 014: return "lt"; |
| 3448 | case 015: return "nge"; |
| 3449 | case 016: return "le"; |
| 3450 | case 017: return "ngt"; |
| 3451 | default: return "?"; |
| 3452 | } |
| 3453 | } |
| 3454 | |
| 3455 | |
| 3456 | // Helpers: |
| 3457 | // |
| 3458 | // Check that the given FPU format is usable, and signal a |
| 3459 | // ReservedInstruction exception if not. |
| 3460 | // |
| 3461 | |
| 3462 | // check_fmt checks that the format is single or double. |
| 3463 | :function:::void:check_fmt:int fmt, instruction_word insn |
| 3464 | *mipsI: |
| 3465 | *mipsII: |
| 3466 | *mipsIII: |
| 3467 | *mipsIV: |
| 3468 | *mipsV: |
| 3469 | *mips32: |
| 3470 | *mips64: |
| 3471 | *vr4100: |
| 3472 | *vr5000: |
| 3473 | *r3900: |
| 3474 | { |
| 3475 | if ((fmt != fmt_single) && (fmt != fmt_double)) |
| 3476 | SignalException (ReservedInstruction, insn); |
| 3477 | } |
| 3478 | |
| 3479 | // check_fmt_p checks that the format is single, double, or paired single. |
| 3480 | :function:::void:check_fmt_p:int fmt, instruction_word insn |
| 3481 | *mipsI: |
| 3482 | *mipsII: |
| 3483 | *mipsIII: |
| 3484 | *mipsIV: |
| 3485 | *mips32: |
| 3486 | *vr4100: |
| 3487 | *vr5000: |
| 3488 | *r3900: |
| 3489 | { |
| 3490 | /* None of these ISAs support Paired Single, so just fall back to |
| 3491 | the single/double check. */ |
| 3492 | check_fmt (SD_, fmt, insn); |
| 3493 | } |
| 3494 | |
| 3495 | :function:::void:check_fmt_p:int fmt, instruction_word insn |
| 3496 | *mipsV: |
| 3497 | *mips64: |
| 3498 | { |
| 3499 | #if 0 /* XXX FIXME: FP code doesn't yet support paired single ops. */ |
| 3500 | if ((fmt != fmt_single) && (fmt != fmt_double) |
| 3501 | && (fmt != fmt_ps || (UserMode && (SR & (status_UX|status_PX)) == 0))) |
| 3502 | SignalException (ReservedInstruction, insn); |
| 3503 | #else |
| 3504 | check_fmt (SD_, fmt, insn); |
| 3505 | #endif |
| 3506 | } |
| 3507 | |
| 3508 | |
| 3509 | // Helper: |
| 3510 | // |
| 3511 | // Check that the FPU is currently usable, and signal a CoProcessorUnusable |
| 3512 | // exception if not. |
| 3513 | // |
| 3514 | |
| 3515 | :function:::void:check_fpu: |
| 3516 | *mipsI: |
| 3517 | *mipsII: |
| 3518 | *mipsIII: |
| 3519 | *mipsIV: |
| 3520 | *mipsV: |
| 3521 | *mips32: |
| 3522 | *mips64: |
| 3523 | *vr4100: |
| 3524 | *vr5000: |
| 3525 | *r3900: |
| 3526 | { |
| 3527 | if (! COP_Usable (1)) |
| 3528 | SignalExceptionCoProcessorUnusable (1); |
| 3529 | } |
| 3530 | |
| 3531 | |
| 3532 | 010001,10,3.FMT,00000,5.FS,5.FD,000101:COP1:32,f::ABS.fmt |
| 3533 | "abs.%s<FMT> f<FD>, f<FS>" |
| 3534 | *mipsI: |
| 3535 | *mipsII: |
| 3536 | *mipsIII: |
| 3537 | *mipsIV: |
| 3538 | *mipsV: |
| 3539 | *mips32: |
| 3540 | *mips64: |
| 3541 | *vr4100: |
| 3542 | *vr5000: |
| 3543 | *r3900: |
| 3544 | { |
| 3545 | int fmt = FMT; |
| 3546 | check_fpu (SD_); |
| 3547 | check_fmt_p (SD_, fmt, instruction_0); |
| 3548 | StoreFPR(FD,fmt,AbsoluteValue(ValueFPR(FS,fmt),fmt)); |
| 3549 | } |
| 3550 | |
| 3551 | |
| 3552 | |
| 3553 | 010001,10,3.FMT,5.FT,5.FS,5.FD,000000:COP1:32,f::ADD.fmt |
| 3554 | "add.%s<FMT> f<FD>, f<FS>, f<FT>" |
| 3555 | *mipsI: |
| 3556 | *mipsII: |
| 3557 | *mipsIII: |
| 3558 | *mipsIV: |
| 3559 | *mipsV: |
| 3560 | *mips32: |
| 3561 | *mips64: |
| 3562 | *vr4100: |
| 3563 | *vr5000: |
| 3564 | *r3900: |
| 3565 | { |
| 3566 | int fmt = FMT; |
| 3567 | check_fpu (SD_); |
| 3568 | check_fmt_p (SD_, fmt, instruction_0); |
| 3569 | StoreFPR(FD,fmt,Add(ValueFPR(FS,fmt),ValueFPR(FT,fmt),fmt)); |
| 3570 | } |
| 3571 | |
| 3572 | |
| 3573 | |
| 3574 | // BC1F |
| 3575 | // BC1FL |
| 3576 | // BC1T |
| 3577 | // BC1TL |
| 3578 | |
| 3579 | 010001,01000,3.0,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1a |
| 3580 | "bc1%s<TF>%s<ND> <OFFSET>" |
| 3581 | *mipsI: |
| 3582 | *mipsII: |
| 3583 | *mipsIII: |
| 3584 | { |
| 3585 | check_fpu (SD_); |
| 3586 | check_branch_bug (); |
| 3587 | TRACE_BRANCH_INPUT (PREVCOC1()); |
| 3588 | if (PREVCOC1() == TF) |
| 3589 | { |
| 3590 | address_word dest = NIA + (EXTEND16 (OFFSET) << 2); |
| 3591 | TRACE_BRANCH_RESULT (dest); |
| 3592 | mark_branch_bug (dest); |
| 3593 | DELAY_SLOT (dest); |
| 3594 | } |
| 3595 | else if (ND) |
| 3596 | { |
| 3597 | TRACE_BRANCH_RESULT (0); |
| 3598 | NULLIFY_NEXT_INSTRUCTION (); |
| 3599 | } |
| 3600 | else |
| 3601 | { |
| 3602 | TRACE_BRANCH_RESULT (NIA); |
| 3603 | } |
| 3604 | } |
| 3605 | |
| 3606 | 010001,01000,3.CC,1.ND,1.TF,16.OFFSET:COP1S:32,f::BC1b |
| 3607 | "bc1%s<TF>%s<ND> <OFFSET>":CC == 0 |
| 3608 | "bc1%s<TF>%s<ND> <CC>, <OFFSET>" |
| 3609 | *mipsIV: |
| 3610 | *mipsV: |
| 3611 | *mips32: |
| 3612 | *mips64: |
| 3613 | #*vr4100: |
| 3614 | *vr5000: |
| 3615 | *r3900: |
| 3616 | { |
| 3617 | check_fpu (SD_); |
| 3618 | check_branch_bug (); |
| 3619 | if (GETFCC(CC) == TF) |
| 3620 | { |
| 3621 | address_word dest = NIA + (EXTEND16 (OFFSET) << 2); |
| 3622 | mark_branch_bug (dest); |
| 3623 | DELAY_SLOT (dest); |
| 3624 | } |
| 3625 | else if (ND) |
| 3626 | { |
| 3627 | NULLIFY_NEXT_INSTRUCTION (); |
| 3628 | } |
| 3629 | } |
| 3630 | |
| 3631 | |
| 3632 | |
| 3633 | |
| 3634 | |
| 3635 | |
| 3636 | // C.EQ.S |
| 3637 | // C.EQ.D |
| 3638 | // ... |
| 3639 | |
| 3640 | :function:::void:do_c_cond_fmt:int fmt, int ft, int fs, int cc, int cond, instruction_word insn |
| 3641 | { |
| 3642 | int less; |
| 3643 | int equal; |
| 3644 | int unordered; |
| 3645 | int condition; |
| 3646 | unsigned64 ofs = ValueFPR (fs, fmt); |
| 3647 | unsigned64 oft = ValueFPR (ft, fmt); |
| 3648 | if (NaN (ofs, fmt) || NaN (oft, fmt)) |
| 3649 | { |
| 3650 | if (FCSR & FP_ENABLE (IO)) |
| 3651 | { |
| 3652 | FCSR |= FP_CAUSE (IO); |
| 3653 | SignalExceptionFPE (); |
| 3654 | } |
| 3655 | less = 0; |
| 3656 | equal = 0; |
| 3657 | unordered = 1; |
| 3658 | } |
| 3659 | else |
| 3660 | { |
| 3661 | less = Less (ofs, oft, fmt); |
| 3662 | equal = Equal (ofs, oft, fmt); |
| 3663 | unordered = 0; |
| 3664 | } |
| 3665 | condition = (((cond & (1 << 2)) && less) |
| 3666 | || ((cond & (1 << 1)) && equal) |
| 3667 | || ((cond & (1 << 0)) && unordered)); |
| 3668 | SETFCC (cc, condition); |
| 3669 | } |
| 3670 | |
| 3671 | 010001,10,3.FMT,5.FT,5.FS,3.0,00,11,4.COND:COP1:32,f::C.cond.fmta |
| 3672 | "c.%s<COND>.%s<FMT> f<FS>, f<FT>" |
| 3673 | *mipsI: |
| 3674 | *mipsII: |
| 3675 | *mipsIII: |
| 3676 | { |
| 3677 | int fmt = FMT; |
| 3678 | check_fpu (SD_); |
| 3679 | check_fmt_p (SD_, fmt, instruction_0); |
| 3680 | do_c_cond_fmt (SD_, fmt, FT, FS, 0, COND, instruction_0); |
| 3681 | } |
| 3682 | |
| 3683 | 010001,10,3.FMT,5.FT,5.FS,3.CC,00,11,4.COND:COP1:32,f::C.cond.fmtb |
| 3684 | "c.%s<COND>.%s<FMT> f<FS>, f<FT>":CC == 0 |
| 3685 | "c.%s<COND>.%s<FMT> <CC>, f<FS>, f<FT>" |
| 3686 | *mipsIV: |
| 3687 | *mipsV: |
| 3688 | *mips32: |
| 3689 | *mips64: |
| 3690 | *vr4100: |
| 3691 | *vr5000: |
| 3692 | *r3900: |
| 3693 | { |
| 3694 | int fmt = FMT; |
| 3695 | check_fpu (SD_); |
| 3696 | check_fmt_p (SD_, fmt, instruction_0); |
| 3697 | do_c_cond_fmt (SD_, fmt, FT, FS, CC, COND, instruction_0); |
| 3698 | } |
| 3699 | |
| 3700 | |
| 3701 | 010001,10,3.FMT,00000,5.FS,5.FD,001010:COP1:64,f::CEIL.L.fmt |
| 3702 | "ceil.l.%s<FMT> f<FD>, f<FS>" |
| 3703 | *mipsIII: |
| 3704 | *mipsIV: |
| 3705 | *mipsV: |
| 3706 | *mips64: |
| 3707 | *vr4100: |
| 3708 | *vr5000: |
| 3709 | *r3900: |
| 3710 | { |
| 3711 | int fmt = FMT; |
| 3712 | check_fpu (SD_); |
| 3713 | check_fmt (SD_, fmt, instruction_0); |
| 3714 | StoreFPR(FD,fmt_long,Convert(FP_RM_TOPINF,ValueFPR(FS,fmt),fmt,fmt_long)); |
| 3715 | } |
| 3716 | |
| 3717 | |
| 3718 | 010001,10,3.FMT,00000,5.FS,5.FD,001110:COP1:32,f::CEIL.W |
| 3719 | *mipsII: |
| 3720 | *mipsIII: |
| 3721 | *mipsIV: |
| 3722 | *mipsV: |
| 3723 | *mips32: |
| 3724 | *mips64: |
| 3725 | *vr4100: |
| 3726 | *vr5000: |
| 3727 | *r3900: |
| 3728 | { |
| 3729 | int fmt = FMT; |
| 3730 | check_fpu (SD_); |
| 3731 | check_fmt (SD_, fmt, instruction_0); |
| 3732 | StoreFPR(FD,fmt_word,Convert(FP_RM_TOPINF,ValueFPR(FS,fmt),fmt,fmt_word)); |
| 3733 | } |
| 3734 | |
| 3735 | |
| 3736 | // CFC1 |
| 3737 | // CTC1 |
| 3738 | 010001,00,X,10,5.RT,5.FS,00000000000:COP1Sa:32,f::CxC1 |
| 3739 | "c%s<X>c1 r<RT>, f<FS>" |
| 3740 | *mipsI: |
| 3741 | *mipsII: |
| 3742 | *mipsIII: |
| 3743 | { |
| 3744 | check_fpu (SD_); |
| 3745 | if (X) |
| 3746 | { |
| 3747 | if (FS == 0) |
| 3748 | PENDING_FILL(FCR0IDX,VL4_8(GPR[RT])); |
| 3749 | else if (FS == 31) |
| 3750 | PENDING_FILL(FCR31IDX,VL4_8(GPR[RT])); |
| 3751 | /* else NOP */ |
| 3752 | PENDING_SCHED(FCSR, FCR31 & (1<<23), 1, 23); |
| 3753 | } |
| 3754 | else |
| 3755 | { /* control from */ |
| 3756 | if (FS == 0) |
| 3757 | PENDING_FILL(RT, EXTEND32 (FCR0)); |
| 3758 | else if (FS == 31) |
| 3759 | PENDING_FILL(RT, EXTEND32 (FCR31)); |
| 3760 | /* else NOP */ |
| 3761 | } |
| 3762 | } |
| 3763 | 010001,00,X,10,5.RT,5.FS,00000000000:COP1Sb:32,f::CxC1 |
| 3764 | "c%s<X>c1 r<RT>, f<FS>" |
| 3765 | *mipsIV: |
| 3766 | *mipsV: |
| 3767 | *mips32: |
| 3768 | *mips64: |
| 3769 | *vr4100: |
| 3770 | *vr5000: |
| 3771 | *r3900: |
| 3772 | { |
| 3773 | check_fpu (SD_); |
| 3774 | if (X) |
| 3775 | { |
| 3776 | /* control to */ |
| 3777 | TRACE_ALU_INPUT1 (GPR[RT]); |
| 3778 | if (FS == 0) |
| 3779 | { |
| 3780 | FCR0 = VL4_8(GPR[RT]); |
| 3781 | TRACE_ALU_RESULT (FCR0); |
| 3782 | } |
| 3783 | else if (FS == 31) |
| 3784 | { |
| 3785 | FCR31 = VL4_8(GPR[RT]); |
| 3786 | SETFCC(0,((FCR31 & (1 << 23)) ? 1 : 0)); |
| 3787 | TRACE_ALU_RESULT (FCR31); |
| 3788 | } |
| 3789 | else |
| 3790 | { |
| 3791 | TRACE_ALU_RESULT0 (); |
| 3792 | } |
| 3793 | /* else NOP */ |
| 3794 | } |
| 3795 | else |
| 3796 | { /* control from */ |
| 3797 | if (FS == 0) |
| 3798 | { |
| 3799 | TRACE_ALU_INPUT1 (FCR0); |
| 3800 | GPR[RT] = EXTEND32 (FCR0); |
| 3801 | } |
| 3802 | else if (FS == 31) |
| 3803 | { |
| 3804 | TRACE_ALU_INPUT1 (FCR31); |
| 3805 | GPR[RT] = EXTEND32 (FCR31); |
| 3806 | } |
| 3807 | TRACE_ALU_RESULT (GPR[RT]); |
| 3808 | /* else NOP */ |
| 3809 | } |
| 3810 | } |
| 3811 | |
| 3812 | |
| 3813 | // |
| 3814 | // FIXME: Does not correctly differentiate between mips* |
| 3815 | // |
| 3816 | 010001,10,3.FMT,00000,5.FS,5.FD,100001:COP1:32,f::CVT.D.fmt |
| 3817 | "cvt.d.%s<FMT> f<FD>, f<FS>" |
| 3818 | *mipsI: |
| 3819 | *mipsII: |
| 3820 | *mipsIII: |
| 3821 | *mipsIV: |
| 3822 | *mipsV: |
| 3823 | *mips32: |
| 3824 | *mips64: |
| 3825 | *vr4100: |
| 3826 | *vr5000: |
| 3827 | *r3900: |
| 3828 | { |
| 3829 | int fmt = FMT; |
| 3830 | check_fpu (SD_); |
| 3831 | { |
| 3832 | if ((fmt == fmt_double) | 0) |
| 3833 | SignalException (ReservedInstruction, instruction_0); |
| 3834 | else |
| 3835 | StoreFPR(FD,fmt_double,Convert(GETRM(),ValueFPR(FS,fmt),fmt,fmt_double)); |
| 3836 | } |
| 3837 | } |
| 3838 | |
| 3839 | |
| 3840 | 010001,10,3.FMT,00000,5.FS,5.FD,100101:COP1:64,f::CVT.L.fmt |
| 3841 | "cvt.l.%s<FMT> f<FD>, f<FS>" |
| 3842 | *mipsIII: |
| 3843 | *mipsIV: |
| 3844 | *mipsV: |
| 3845 | *mips64: |
| 3846 | *vr4100: |
| 3847 | *vr5000: |
| 3848 | *r3900: |
| 3849 | { |
| 3850 | int fmt = FMT; |
| 3851 | check_fpu (SD_); |
| 3852 | { |
| 3853 | if ((fmt == fmt_long) | ((fmt == fmt_long) || (fmt == fmt_word))) |
| 3854 | SignalException (ReservedInstruction, instruction_0); |
| 3855 | else |
| 3856 | StoreFPR(FD,fmt_long,Convert(GETRM(),ValueFPR(FS,fmt),fmt,fmt_long)); |
| 3857 | } |
| 3858 | } |
| 3859 | |
| 3860 | |
| 3861 | // |
| 3862 | // FIXME: Does not correctly differentiate between mips* |
| 3863 | // |
| 3864 | 010001,10,3.FMT,00000,5.FS,5.FD,100000:COP1:32,f::CVT.S.fmt |
| 3865 | "cvt.s.%s<FMT> f<FD>, f<FS>" |
| 3866 | *mipsI: |
| 3867 | *mipsII: |
| 3868 | *mipsIII: |
| 3869 | *mipsIV: |
| 3870 | *mipsV: |
| 3871 | *mips32: |
| 3872 | *mips64: |
| 3873 | *vr4100: |
| 3874 | *vr5000: |
| 3875 | *r3900: |
| 3876 | { |
| 3877 | int fmt = FMT; |
| 3878 | check_fpu (SD_); |
| 3879 | { |
| 3880 | if ((fmt == fmt_single) | 0) |
| 3881 | SignalException (ReservedInstruction, instruction_0); |
| 3882 | else |
| 3883 | StoreFPR(FD,fmt_single,Convert(GETRM(),ValueFPR(FS,fmt),fmt,fmt_single)); |
| 3884 | } |
| 3885 | } |
| 3886 | |
| 3887 | |
| 3888 | 010001,10,3.FMT,00000,5.FS,5.FD,100100:COP1:32,f::CVT.W.fmt |
| 3889 | "cvt.w.%s<FMT> f<FD>, f<FS>" |
| 3890 | *mipsI: |
| 3891 | *mipsII: |
| 3892 | *mipsIII: |
| 3893 | *mipsIV: |
| 3894 | *mipsV: |
| 3895 | *mips32: |
| 3896 | *mips64: |
| 3897 | *vr4100: |
| 3898 | *vr5000: |
| 3899 | *r3900: |
| 3900 | { |
| 3901 | int fmt = FMT; |
| 3902 | check_fpu (SD_); |
| 3903 | { |
| 3904 | if ((fmt == fmt_word) | ((fmt == fmt_long) || (fmt == fmt_word))) |
| 3905 | SignalException (ReservedInstruction, instruction_0); |
| 3906 | else |
| 3907 | StoreFPR(FD,fmt_word,Convert(GETRM(),ValueFPR(FS,fmt),fmt,fmt_word)); |
| 3908 | } |
| 3909 | } |
| 3910 | |
| 3911 | |
| 3912 | 010001,10,3.FMT,5.FT,5.FS,5.FD,000011:COP1:32,f::DIV.fmt |
| 3913 | "div.%s<FMT> f<FD>, f<FS>, f<FT>" |
| 3914 | *mipsI: |
| 3915 | *mipsII: |
| 3916 | *mipsIII: |
| 3917 | *mipsIV: |
| 3918 | *mipsV: |
| 3919 | *mips32: |
| 3920 | *mips64: |
| 3921 | *vr4100: |
| 3922 | *vr5000: |
| 3923 | *r3900: |
| 3924 | { |
| 3925 | int fmt = FMT; |
| 3926 | check_fpu (SD_); |
| 3927 | check_fmt (SD_, fmt, instruction_0); |
| 3928 | StoreFPR(FD,fmt,Divide(ValueFPR(FS,fmt),ValueFPR(FT,fmt),fmt)); |
| 3929 | } |
| 3930 | |
| 3931 | |
| 3932 | // DMFC1 |
| 3933 | // DMTC1 |
| 3934 | 010001,00,X,01,5.RT,5.FS,00000000000:COP1Sa:64,f::DMxC1 |
| 3935 | "dm%s<X>c1 r<RT>, f<FS>" |
| 3936 | *mipsIII: |
| 3937 | { |
| 3938 | check_fpu (SD_); |
| 3939 | check_u64 (SD_, instruction_0); |
| 3940 | if (X) |
| 3941 | { |
| 3942 | if (SizeFGR() == 64) |
| 3943 | PENDING_FILL((FS + FGRIDX),GPR[RT]); |
| 3944 | else if ((FS & 0x1) == 0) |
| 3945 | { |
| 3946 | PENDING_FILL(((FS + 1) + FGRIDX),VH4_8(GPR[RT])); |
| 3947 | PENDING_FILL((FS + FGRIDX),VL4_8(GPR[RT])); |
| 3948 | } |
| 3949 | } |
| 3950 | else |
| 3951 | { |
| 3952 | if (SizeFGR() == 64) |
| 3953 | PENDING_FILL(RT,FGR[FS]); |
| 3954 | else if ((FS & 0x1) == 0) |
| 3955 | PENDING_FILL(RT,(SET64HI(FGR[FS+1]) | FGR[FS])); |
| 3956 | else |
| 3957 | { |
| 3958 | if (STATE_VERBOSE_P(SD)) |
| 3959 | sim_io_eprintf (SD, |
| 3960 | "Warning: PC 0x%lx: semantic_DMxC1_COP1Sa 32-bit use of odd FPR number\n", |
| 3961 | (long) CIA); |
| 3962 | PENDING_FILL(RT,SET64HI(0xDEADC0DE) | 0xBAD0BAD0); |
| 3963 | } |
| 3964 | } |
| 3965 | } |
| 3966 | 010001,00,X,01,5.RT,5.FS,00000000000:COP1Sb:64,f::DMxC1 |
| 3967 | "dm%s<X>c1 r<RT>, f<FS>" |
| 3968 | *mipsIV: |
| 3969 | *mipsV: |
| 3970 | *mips64: |
| 3971 | *vr4100: |
| 3972 | *vr5000: |
| 3973 | *r3900: |
| 3974 | { |
| 3975 | check_fpu (SD_); |
| 3976 | check_u64 (SD_, instruction_0); |
| 3977 | if (X) |
| 3978 | { |
| 3979 | if (SizeFGR() == 64) |
| 3980 | StoreFPR (FS, fmt_uninterpreted_64, GPR[RT]); |
| 3981 | else if ((FS & 0x1) == 0) |
| 3982 | StoreFPR (FS, fmt_uninterpreted_64, SET64HI (FGR[FS+1]) | FGR[FS]); |
| 3983 | } |
| 3984 | else |
| 3985 | { |
| 3986 | if (SizeFGR() == 64) |
| 3987 | GPR[RT] = FGR[FS]; |
| 3988 | else if ((FS & 0x1) == 0) |
| 3989 | GPR[RT] = SET64HI (FGR[FS+1]) | FGR[FS]; |
| 3990 | else |
| 3991 | { |
| 3992 | if (STATE_VERBOSE_P(SD)) |
| 3993 | sim_io_eprintf (SD, |
| 3994 | "Warning: PC 0x%lx: DMxC1 32-bit use of odd FPR number\n", |
| 3995 | (long) CIA); |
| 3996 | GPR[RT] = SET64HI (0xDEADC0DE) | 0xBAD0BAD0; |
| 3997 | } |
| 3998 | } |
| 3999 | } |
| 4000 | |
| 4001 | |
| 4002 | 010001,10,3.FMT,00000,5.FS,5.FD,001011:COP1:64,f::FLOOR.L.fmt |
| 4003 | "floor.l.%s<FMT> f<FD>, f<FS>" |
| 4004 | *mipsIII: |
| 4005 | *mipsIV: |
| 4006 | *mipsV: |
| 4007 | *mips64: |
| 4008 | *vr4100: |
| 4009 | *vr5000: |
| 4010 | *r3900: |
| 4011 | { |
| 4012 | int fmt = FMT; |
| 4013 | check_fpu (SD_); |
| 4014 | check_fmt (SD_, fmt, instruction_0); |
| 4015 | StoreFPR(FD,fmt_long,Convert(FP_RM_TOMINF,ValueFPR(FS,fmt),fmt,fmt_long)); |
| 4016 | } |
| 4017 | |
| 4018 | |
| 4019 | 010001,10,3.FMT,00000,5.FS,5.FD,001111:COP1:32,f::FLOOR.W.fmt |
| 4020 | "floor.w.%s<FMT> f<FD>, f<FS>" |
| 4021 | *mipsII: |
| 4022 | *mipsIII: |
| 4023 | *mipsIV: |
| 4024 | *mipsV: |
| 4025 | *mips32: |
| 4026 | *mips64: |
| 4027 | *vr4100: |
| 4028 | *vr5000: |
| 4029 | *r3900: |
| 4030 | { |
| 4031 | int fmt = FMT; |
| 4032 | check_fpu (SD_); |
| 4033 | check_fmt (SD_, fmt, instruction_0); |
| 4034 | StoreFPR(FD,fmt_word,Convert(FP_RM_TOMINF,ValueFPR(FS,fmt),fmt,fmt_word)); |
| 4035 | } |
| 4036 | |
| 4037 | |
| 4038 | 110101,5.BASE,5.FT,16.OFFSET:COP1:32,f::LDC1 |
| 4039 | "ldc1 f<FT>, <OFFSET>(r<BASE>)" |
| 4040 | *mipsII: |
| 4041 | *mipsIII: |
| 4042 | *mipsIV: |
| 4043 | *mipsV: |
| 4044 | *mips32: |
| 4045 | *mips64: |
| 4046 | *vr4100: |
| 4047 | *vr5000: |
| 4048 | *r3900: |
| 4049 | { |
| 4050 | check_fpu (SD_); |
| 4051 | COP_LD (1, FT, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET))); |
| 4052 | } |
| 4053 | |
| 4054 | |
| 4055 | 010011,5.BASE,5.INDEX,5.0,5.FD,000001:COP1X:64,f::LDXC1 |
| 4056 | "ldxc1 f<FD>, r<INDEX>(r<BASE>)" |
| 4057 | *mipsIV: |
| 4058 | *mipsV: |
| 4059 | *mips64: |
| 4060 | *vr5000: |
| 4061 | { |
| 4062 | check_fpu (SD_); |
| 4063 | check_u64 (SD_, instruction_0); |
| 4064 | COP_LD (1, FD, do_load (SD_, AccessLength_DOUBLEWORD, GPR[BASE], GPR[INDEX])); |
| 4065 | } |
| 4066 | |
| 4067 | |
| 4068 | |
| 4069 | 110001,5.BASE,5.FT,16.OFFSET:COP1:32,f::LWC1 |
| 4070 | "lwc1 f<FT>, <OFFSET>(r<BASE>)" |
| 4071 | *mipsI: |
| 4072 | *mipsII: |
| 4073 | *mipsIII: |
| 4074 | *mipsIV: |
| 4075 | *mipsV: |
| 4076 | *mips32: |
| 4077 | *mips64: |
| 4078 | *vr4100: |
| 4079 | *vr5000: |
| 4080 | *r3900: |
| 4081 | { |
| 4082 | check_fpu (SD_); |
| 4083 | COP_LW (1, FT, do_load (SD_, AccessLength_WORD, GPR[BASE], EXTEND16 (OFFSET))); |
| 4084 | } |
| 4085 | |
| 4086 | |
| 4087 | 010011,5.BASE,5.INDEX,5.0,5.FD,000000:COP1X:64,f::LWXC1 |
| 4088 | "lwxc1 f<FD>, r<INDEX>(r<BASE>)" |
| 4089 | *mipsIV: |
| 4090 | *mipsV: |
| 4091 | *mips64: |
| 4092 | *vr5000: |
| 4093 | { |
| 4094 | check_fpu (SD_); |
| 4095 | check_u64 (SD_, instruction_0); |
| 4096 | COP_LW (1, FD, do_load (SD_, AccessLength_WORD, GPR[BASE], GPR[INDEX])); |
| 4097 | } |
| 4098 | |
| 4099 | |
| 4100 | |
| 4101 | // |
| 4102 | // FIXME: Not correct for mips* |
| 4103 | // |
| 4104 | 010011,5.FR,5.FT,5.FS,5.FD,100,001:COP1X:32,f::MADD.D |
| 4105 | "madd.d f<FD>, f<FR>, f<FS>, f<FT>" |
| 4106 | *mipsIV: |
| 4107 | *mipsV: |
| 4108 | *mips64: |
| 4109 | *vr5000: |
| 4110 | { |
| 4111 | check_fpu (SD_); |
| 4112 | { |
| 4113 | StoreFPR(FD,fmt_double,Add(Multiply(ValueFPR(FS,fmt_double),ValueFPR(FT,fmt_double),fmt_double),ValueFPR(FR,fmt_double),fmt_double)); |
| 4114 | } |
| 4115 | } |
| 4116 | |
| 4117 | |
| 4118 | 010011,5.FR,5.FT,5.FS,5.FD,100,000:COP1X:32,f::MADD.S |
| 4119 | "madd.s f<FD>, f<FR>, f<FS>, f<FT>" |
| 4120 | *mipsIV: |
| 4121 | *mipsV: |
| 4122 | *mips64: |
| 4123 | *vr5000: |
| 4124 | { |
| 4125 | check_fpu (SD_); |
| 4126 | { |
| 4127 | StoreFPR(FD,fmt_single,Add(Multiply(ValueFPR(FS,fmt_single),ValueFPR(FT,fmt_single),fmt_single),ValueFPR(FR,fmt_single),fmt_single)); |
| 4128 | } |
| 4129 | } |
| 4130 | |
| 4131 | |
| 4132 | // MFC1 |
| 4133 | // MTC1 |
| 4134 | 010001,00,X,00,5.RT,5.FS,00000000000:COP1Sa:32,f::MxC1 |
| 4135 | "m%s<X>c1 r<RT>, f<FS>" |
| 4136 | *mipsI: |
| 4137 | *mipsII: |
| 4138 | *mipsIII: |
| 4139 | { |
| 4140 | check_fpu (SD_); |
| 4141 | if (X) |
| 4142 | { /*MTC1*/ |
| 4143 | if (SizeFGR() == 64) |
| 4144 | { |
| 4145 | if (STATE_VERBOSE_P(SD)) |
| 4146 | sim_io_eprintf (SD, |
| 4147 | "Warning: PC 0x%lx: MTC1 not DMTC1 with 64 bit regs\n", |
| 4148 | (long) CIA); |
| 4149 | PENDING_FILL ((FS + FGRIDX), (SET64HI(0xDEADC0DE) | VL4_8(GPR[RT]))); |
| 4150 | } |
| 4151 | else |
| 4152 | PENDING_FILL ((FS + FGRIDX), VL4_8(GPR[RT])); |
| 4153 | } |
| 4154 | else /*MFC1*/ |
| 4155 | PENDING_FILL (RT, EXTEND32 (FGR[FS])); |
| 4156 | } |
| 4157 | 010001,00,X,00,5.RT,5.FS,00000000000:COP1Sb:32,f::MxC1 |
| 4158 | "m%s<X>c1 r<RT>, f<FS>" |
| 4159 | *mipsIV: |
| 4160 | *mipsV: |
| 4161 | *mips32: |
| 4162 | *mips64: |
| 4163 | *vr4100: |
| 4164 | *vr5000: |
| 4165 | *r3900: |
| 4166 | { |
| 4167 | int fs = FS; |
| 4168 | check_fpu (SD_); |
| 4169 | if (X) |
| 4170 | /*MTC1*/ |
| 4171 | StoreFPR (FS, fmt_uninterpreted_32, VL4_8 (GPR[RT])); |
| 4172 | else /*MFC1*/ |
| 4173 | GPR[RT] = EXTEND32 (FGR[FS]); |
| 4174 | } |
| 4175 | |
| 4176 | |
| 4177 | 010001,10,3.FMT,00000,5.FS,5.FD,000110:COP1:32,f::MOV.fmt |
| 4178 | "mov.%s<FMT> f<FD>, f<FS>" |
| 4179 | *mipsI: |
| 4180 | *mipsII: |
| 4181 | *mipsIII: |
| 4182 | *mipsIV: |
| 4183 | *mipsV: |
| 4184 | *mips32: |
| 4185 | *mips64: |
| 4186 | *vr4100: |
| 4187 | *vr5000: |
| 4188 | *r3900: |
| 4189 | { |
| 4190 | int fmt = FMT; |
| 4191 | check_fpu (SD_); |
| 4192 | check_fmt_p (SD_, fmt, instruction_0); |
| 4193 | StoreFPR(FD,fmt,ValueFPR(FS,fmt)); |
| 4194 | } |
| 4195 | |
| 4196 | |
| 4197 | // MOVF |
| 4198 | // MOVT |
| 4199 | 000000,5.RS,3.CC,0,1.TF,5.RD,00000,000001:SPECIAL:32,f::MOVtf |
| 4200 | "mov%s<TF> r<RD>, r<RS>, <CC>" |
| 4201 | *mipsIV: |
| 4202 | *mipsV: |
| 4203 | *mips32: |
| 4204 | *mips64: |
| 4205 | *vr5000: |
| 4206 | { |
| 4207 | check_fpu (SD_); |
| 4208 | if (GETFCC(CC) == TF) |
| 4209 | GPR[RD] = GPR[RS]; |
| 4210 | } |
| 4211 | |
| 4212 | |
| 4213 | // MOVF.fmt |
| 4214 | // MOVT.fmt |
| 4215 | 010001,10,3.FMT,3.CC,0,1.TF,5.FS,5.FD,010001:COP1:32,f::MOVtf.fmt |
| 4216 | "mov%s<TF>.%s<FMT> f<FD>, f<FS>, <CC>" |
| 4217 | *mipsIV: |
| 4218 | *mipsV: |
| 4219 | *mips32: |
| 4220 | *mips64: |
| 4221 | *vr5000: |
| 4222 | { |
| 4223 | int fmt = FMT; |
| 4224 | check_fpu (SD_); |
| 4225 | { |
| 4226 | if (GETFCC(CC) == TF) |
| 4227 | StoreFPR (FD, fmt, ValueFPR (FS, fmt)); |
| 4228 | else |
| 4229 | StoreFPR (FD, fmt, ValueFPR (FD, fmt)); |
| 4230 | } |
| 4231 | } |
| 4232 | |
| 4233 | |
| 4234 | 010001,10,3.FMT,5.RT,5.FS,5.FD,010011:COP1:32,f::MOVN.fmt |
| 4235 | "movn.%s<FMT> f<FD>, f<FS>, r<RT>" |
| 4236 | *mipsIV: |
| 4237 | *mipsV: |
| 4238 | *mips32: |
| 4239 | *mips64: |
| 4240 | *vr5000: |
| 4241 | { |
| 4242 | check_fpu (SD_); |
| 4243 | if (GPR[RT] != 0) |
| 4244 | StoreFPR (FD, FMT, ValueFPR (FS, FMT)); |
| 4245 | else |
| 4246 | StoreFPR (FD, FMT, ValueFPR (FD, FMT)); |
| 4247 | } |
| 4248 | |
| 4249 | |
| 4250 | // MOVT see MOVtf |
| 4251 | |
| 4252 | |
| 4253 | // MOVT.fmt see MOVtf.fmt |
| 4254 | |
| 4255 | |
| 4256 | |
| 4257 | 010001,10,3.FMT,5.RT,5.FS,5.FD,010010:COP1:32,f::MOVZ.fmt |
| 4258 | "movz.%s<FMT> f<FD>, f<FS>, r<RT>" |
| 4259 | *mipsIV: |
| 4260 | *mipsV: |
| 4261 | *mips32: |
| 4262 | *mips64: |
| 4263 | *vr5000: |
| 4264 | { |
| 4265 | check_fpu (SD_); |
| 4266 | if (GPR[RT] == 0) |
| 4267 | StoreFPR (FD, FMT, ValueFPR (FS, FMT)); |
| 4268 | else |
| 4269 | StoreFPR (FD, FMT, ValueFPR (FD, FMT)); |
| 4270 | } |
| 4271 | |
| 4272 | |
| 4273 | // MSUB.fmt |
| 4274 | 010011,5.FR,5.FT,5.FS,5.FD,101,001:COP1X:32,f::MSUB.D |
| 4275 | "msub.d f<FD>, f<FR>, f<FS>, f<FT>" |
| 4276 | *mipsIV: |
| 4277 | *mipsV: |
| 4278 | *mips64: |
| 4279 | *vr5000: |
| 4280 | { |
| 4281 | check_fpu (SD_); |
| 4282 | StoreFPR(FD,fmt_double,Sub(Multiply(ValueFPR(FS,fmt_double),ValueFPR(FT,fmt_double),fmt_double),ValueFPR(FR,fmt_double),fmt_double)); |
| 4283 | } |
| 4284 | |
| 4285 | |
| 4286 | // MSUB.fmt |
| 4287 | 010011,5.FR,5.FT,5.FS,5.FD,101000:COP1X:32,f::MSUB.S |
| 4288 | "msub.s f<FD>, f<FR>, f<FS>, f<FT>" |
| 4289 | *mipsIV: |
| 4290 | *mipsV: |
| 4291 | *mips64: |
| 4292 | *vr5000: |
| 4293 | { |
| 4294 | check_fpu (SD_); |
| 4295 | StoreFPR(FD,fmt_single,Sub(Multiply(ValueFPR(FS,fmt_single),ValueFPR(FT,fmt_single),fmt_single),ValueFPR(FR,fmt_single),fmt_single)); |
| 4296 | } |
| 4297 | |
| 4298 | |
| 4299 | // MTC1 see MxC1 |
| 4300 | |
| 4301 | |
| 4302 | 010001,10,3.FMT,5.FT,5.FS,5.FD,000010:COP1:32,f::MUL.fmt |
| 4303 | "mul.%s<FMT> f<FD>, f<FS>, f<FT>" |
| 4304 | *mipsI: |
| 4305 | *mipsII: |
| 4306 | *mipsIII: |
| 4307 | *mipsIV: |
| 4308 | *mipsV: |
| 4309 | *mips32: |
| 4310 | *mips64: |
| 4311 | *vr4100: |
| 4312 | *vr5000: |
| 4313 | *r3900: |
| 4314 | { |
| 4315 | int fmt = FMT; |
| 4316 | check_fpu (SD_); |
| 4317 | check_fmt_p (SD_, fmt, instruction_0); |
| 4318 | StoreFPR(FD,fmt,Multiply(ValueFPR(FS,fmt),ValueFPR(FT,fmt),fmt)); |
| 4319 | } |
| 4320 | |
| 4321 | |
| 4322 | 010001,10,3.FMT,00000,5.FS,5.FD,000111:COP1:32,f::NEG.fmt |
| 4323 | "neg.%s<FMT> f<FD>, f<FS>" |
| 4324 | *mipsI: |
| 4325 | *mipsII: |
| 4326 | *mipsIII: |
| 4327 | *mipsIV: |
| 4328 | *mipsV: |
| 4329 | *mips32: |
| 4330 | *mips64: |
| 4331 | *vr4100: |
| 4332 | *vr5000: |
| 4333 | *r3900: |
| 4334 | { |
| 4335 | int fmt = FMT; |
| 4336 | check_fpu (SD_); |
| 4337 | check_fmt_p (SD_, fmt, instruction_0); |
| 4338 | StoreFPR(FD,fmt,Negate(ValueFPR(FS,fmt),fmt)); |
| 4339 | } |
| 4340 | |
| 4341 | |
| 4342 | // NMADD.fmt |
| 4343 | 010011,5.FR,5.FT,5.FS,5.FD,110001:COP1X:32,f::NMADD.D |
| 4344 | "nmadd.d f<FD>, f<FR>, f<FS>, f<FT>" |
| 4345 | *mipsIV: |
| 4346 | *mipsV: |
| 4347 | *mips64: |
| 4348 | *vr5000: |
| 4349 | { |
| 4350 | check_fpu (SD_); |
| 4351 | StoreFPR(FD,fmt_double,Negate(Add(Multiply(ValueFPR(FS,fmt_double),ValueFPR(FT,fmt_double),fmt_double),ValueFPR(FR,fmt_double),fmt_double),fmt_double)); |
| 4352 | } |
| 4353 | |
| 4354 | |
| 4355 | // NMADD.fmt |
| 4356 | 010011,5.FR,5.FT,5.FS,5.FD,110000:COP1X:32,f::NMADD.S |
| 4357 | "nmadd.s f<FD>, f<FR>, f<FS>, f<FT>" |
| 4358 | *mipsIV: |
| 4359 | *mipsV: |
| 4360 | *mips64: |
| 4361 | *vr5000: |
| 4362 | { |
| 4363 | check_fpu (SD_); |
| 4364 | StoreFPR(FD,fmt_single,Negate(Add(Multiply(ValueFPR(FS,fmt_single),ValueFPR(FT,fmt_single),fmt_single),ValueFPR(FR,fmt_single),fmt_single),fmt_single)); |
| 4365 | } |
| 4366 | |
| 4367 | |
| 4368 | // NMSUB.fmt |
| 4369 | 010011,5.FR,5.FT,5.FS,5.FD,111001:COP1X:32,f::NMSUB.D |
| 4370 | "nmsub.d f<FD>, f<FR>, f<FS>, f<FT>" |
| 4371 | *mipsIV: |
| 4372 | *mipsV: |
| 4373 | *mips64: |
| 4374 | *vr5000: |
| 4375 | { |
| 4376 | check_fpu (SD_); |
| 4377 | StoreFPR(FD,fmt_double,Negate(Sub(Multiply(ValueFPR(FS,fmt_double),ValueFPR(FT,fmt_double),fmt_double),ValueFPR(FR,fmt_double),fmt_double),fmt_double)); |
| 4378 | } |
| 4379 | |
| 4380 | |
| 4381 | // NMSUB.fmt |
| 4382 | 010011,5.FR,5.FT,5.FS,5.FD,111000:COP1X:32,f::NMSUB.S |
| 4383 | "nmsub.s f<FD>, f<FR>, f<FS>, f<FT>" |
| 4384 | *mipsIV: |
| 4385 | *mipsV: |
| 4386 | *mips64: |
| 4387 | *vr5000: |
| 4388 | { |
| 4389 | check_fpu (SD_); |
| 4390 | StoreFPR(FD,fmt_single,Negate(Sub(Multiply(ValueFPR(FS,fmt_single),ValueFPR(FT,fmt_single),fmt_single),ValueFPR(FR,fmt_single),fmt_single),fmt_single)); |
| 4391 | } |
| 4392 | |
| 4393 | |
| 4394 | 010011,5.BASE,5.INDEX,5.HINT,00000,001111:COP1X:64::PREFX |
| 4395 | "prefx <HINT>, r<INDEX>(r<BASE>)" |
| 4396 | *mipsIV: |
| 4397 | *mipsV: |
| 4398 | *mips64: |
| 4399 | *vr5000: |
| 4400 | { |
| 4401 | address_word base = GPR[BASE]; |
| 4402 | address_word index = GPR[INDEX]; |
| 4403 | { |
| 4404 | address_word vaddr = loadstore_ea (SD_, base, index); |
| 4405 | address_word paddr; |
| 4406 | int uncached; |
| 4407 | if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) |
| 4408 | Prefetch(uncached,paddr,vaddr,isDATA,HINT); |
| 4409 | } |
| 4410 | } |
| 4411 | |
| 4412 | 010001,10,3.FMT,00000,5.FS,5.FD,010101:COP1:32,f::RECIP.fmt |
| 4413 | "recip.%s<FMT> f<FD>, f<FS>" |
| 4414 | *mipsIV: |
| 4415 | *mipsV: |
| 4416 | *mips64: |
| 4417 | *vr5000: |
| 4418 | { |
| 4419 | int fmt = FMT; |
| 4420 | check_fpu (SD_); |
| 4421 | check_fmt (SD_, fmt, instruction_0); |
| 4422 | StoreFPR(FD,fmt,Recip(ValueFPR(FS,fmt),fmt)); |
| 4423 | } |
| 4424 | |
| 4425 | |
| 4426 | 010001,10,3.FMT,00000,5.FS,5.FD,001000:COP1:64,f::ROUND.L.fmt |
| 4427 | "round.l.%s<FMT> f<FD>, f<FS>" |
| 4428 | *mipsIII: |
| 4429 | *mipsIV: |
| 4430 | *mipsV: |
| 4431 | *mips64: |
| 4432 | *vr4100: |
| 4433 | *vr5000: |
| 4434 | *r3900: |
| 4435 | { |
| 4436 | int fmt = FMT; |
| 4437 | check_fpu (SD_); |
| 4438 | check_fmt (SD_, fmt, instruction_0); |
| 4439 | StoreFPR(FD,fmt_long,Convert(FP_RM_NEAREST,ValueFPR(FS,fmt),fmt,fmt_long)); |
| 4440 | } |
| 4441 | |
| 4442 | |
| 4443 | 010001,10,3.FMT,00000,5.FS,5.FD,001100:COP1:32,f::ROUND.W.fmt |
| 4444 | "round.w.%s<FMT> f<FD>, f<FS>" |
| 4445 | *mipsII: |
| 4446 | *mipsIII: |
| 4447 | *mipsIV: |
| 4448 | *mipsV: |
| 4449 | *mips32: |
| 4450 | *mips64: |
| 4451 | *vr4100: |
| 4452 | *vr5000: |
| 4453 | *r3900: |
| 4454 | { |
| 4455 | int fmt = FMT; |
| 4456 | check_fpu (SD_); |
| 4457 | check_fmt (SD_, fmt, instruction_0); |
| 4458 | StoreFPR(FD,fmt_word,Convert(FP_RM_NEAREST,ValueFPR(FS,fmt),fmt,fmt_word)); |
| 4459 | } |
| 4460 | |
| 4461 | |
| 4462 | 010001,10,3.FMT,00000,5.FS,5.FD,010110:COP1:32,f::RSQRT.fmt |
| 4463 | *mipsIV: |
| 4464 | *mipsV: |
| 4465 | *mips64: |
| 4466 | "rsqrt.%s<FMT> f<FD>, f<FS>" |
| 4467 | *vr5000: |
| 4468 | { |
| 4469 | int fmt = FMT; |
| 4470 | check_fpu (SD_); |
| 4471 | check_fmt (SD_, fmt, instruction_0); |
| 4472 | StoreFPR(FD,fmt,Recip(SquareRoot(ValueFPR(FS,fmt),fmt),fmt)); |
| 4473 | } |
| 4474 | |
| 4475 | |
| 4476 | 111101,5.BASE,5.FT,16.OFFSET:COP1:32,f::SDC1 |
| 4477 | "sdc1 f<FT>, <OFFSET>(r<BASE>)" |
| 4478 | *mipsII: |
| 4479 | *mipsIII: |
| 4480 | *mipsIV: |
| 4481 | *mipsV: |
| 4482 | *mips32: |
| 4483 | *mips64: |
| 4484 | *vr4100: |
| 4485 | *vr5000: |
| 4486 | *r3900: |
| 4487 | { |
| 4488 | check_fpu (SD_); |
| 4489 | do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], EXTEND16 (OFFSET), COP_SD (1, FT)); |
| 4490 | } |
| 4491 | |
| 4492 | |
| 4493 | 010011,5.BASE,5.INDEX,5.FS,00000001001:COP1X:64,f::SDXC1 |
| 4494 | "sdxc1 f<FS>, r<INDEX>(r<BASE>)" |
| 4495 | *mipsIV: |
| 4496 | *mipsV: |
| 4497 | *mips64: |
| 4498 | *vr5000: |
| 4499 | { |
| 4500 | check_fpu (SD_); |
| 4501 | check_u64 (SD_, instruction_0); |
| 4502 | do_store (SD_, AccessLength_DOUBLEWORD, GPR[BASE], GPR[INDEX], COP_SD (1, FS)); |
| 4503 | } |
| 4504 | |
| 4505 | |
| 4506 | 010001,10,3.FMT,00000,5.FS,5.FD,000100:COP1:32,f::SQRT.fmt |
| 4507 | "sqrt.%s<FMT> f<FD>, f<FS>" |
| 4508 | *mipsII: |
| 4509 | *mipsIII: |
| 4510 | *mipsIV: |
| 4511 | *mipsV: |
| 4512 | *mips32: |
| 4513 | *mips64: |
| 4514 | *vr4100: |
| 4515 | *vr5000: |
| 4516 | *r3900: |
| 4517 | { |
| 4518 | int fmt = FMT; |
| 4519 | check_fpu (SD_); |
| 4520 | check_fmt (SD_, fmt, instruction_0); |
| 4521 | StoreFPR(FD,fmt,(SquareRoot(ValueFPR(FS,fmt),fmt))); |
| 4522 | } |
| 4523 | |
| 4524 | |
| 4525 | 010001,10,3.FMT,5.FT,5.FS,5.FD,000001:COP1:32,f::SUB.fmt |
| 4526 | "sub.%s<FMT> f<FD>, f<FS>, f<FT>" |
| 4527 | *mipsI: |
| 4528 | *mipsII: |
| 4529 | *mipsIII: |
| 4530 | *mipsIV: |
| 4531 | *mipsV: |
| 4532 | *mips32: |
| 4533 | *mips64: |
| 4534 | *vr4100: |
| 4535 | *vr5000: |
| 4536 | *r3900: |
| 4537 | { |
| 4538 | int fmt = FMT; |
| 4539 | check_fpu (SD_); |
| 4540 | check_fmt_p (SD_, fmt, instruction_0); |
| 4541 | StoreFPR(FD,fmt,Sub(ValueFPR(FS,fmt),ValueFPR(FT,fmt),fmt)); |
| 4542 | } |
| 4543 | |
| 4544 | |
| 4545 | |
| 4546 | 111001,5.BASE,5.FT,16.OFFSET:COP1:32,f::SWC1 |
| 4547 | "swc1 f<FT>, <OFFSET>(r<BASE>)" |
| 4548 | *mipsI: |
| 4549 | *mipsII: |
| 4550 | *mipsIII: |
| 4551 | *mipsIV: |
| 4552 | *mipsV: |
| 4553 | *mips32: |
| 4554 | *mips64: |
| 4555 | *vr4100: |
| 4556 | *vr5000: |
| 4557 | *r3900: |
| 4558 | { |
| 4559 | address_word base = GPR[BASE]; |
| 4560 | address_word offset = EXTEND16 (OFFSET); |
| 4561 | check_fpu (SD_); |
| 4562 | { |
| 4563 | address_word vaddr = loadstore_ea (SD_, base, offset); |
| 4564 | address_word paddr; |
| 4565 | int uncached; |
| 4566 | if ((vaddr & 3) != 0) |
| 4567 | { |
| 4568 | SIM_CORE_SIGNAL (SD, CPU, cia, read_map, AccessLength_WORD+1, vaddr, write_transfer, sim_core_unaligned_signal); |
| 4569 | } |
| 4570 | else |
| 4571 | { |
| 4572 | if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) |
| 4573 | { |
| 4574 | uword64 memval = 0; |
| 4575 | uword64 memval1 = 0; |
| 4576 | uword64 mask = (WITH_TARGET_WORD_BITSIZE == 64 ? 0x7 : 0x3); |
| 4577 | address_word reverseendian = (ReverseEndian ?(mask ^ AccessLength_WORD): 0); |
| 4578 | address_word bigendiancpu = (BigEndianCPU ?(mask ^ AccessLength_WORD): 0); |
| 4579 | unsigned int byte; |
| 4580 | paddr = ((paddr & ~mask) | ((paddr & mask) ^ reverseendian)); |
| 4581 | byte = ((vaddr & mask) ^ bigendiancpu); |
| 4582 | memval = (((uword64)COP_SW(((instruction_0 >> 26) & 0x3),FT)) << (8 * byte)); |
| 4583 | StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); |
| 4584 | } |
| 4585 | } |
| 4586 | } |
| 4587 | } |
| 4588 | |
| 4589 | |
| 4590 | 010011,5.BASE,5.INDEX,5.FS,00000,001000:COP1X:32,f::SWXC1 |
| 4591 | "swxc1 f<FS>, r<INDEX>(r<BASE>)" |
| 4592 | *mipsIV: |
| 4593 | *mipsV: |
| 4594 | *mips64: |
| 4595 | *vr5000: |
| 4596 | { |
| 4597 | |
| 4598 | address_word base = GPR[BASE]; |
| 4599 | address_word index = GPR[INDEX]; |
| 4600 | check_fpu (SD_); |
| 4601 | check_u64 (SD_, instruction_0); |
| 4602 | { |
| 4603 | address_word vaddr = loadstore_ea (SD_, base, index); |
| 4604 | address_word paddr; |
| 4605 | int uncached; |
| 4606 | if ((vaddr & 3) != 0) |
| 4607 | { |
| 4608 | SIM_CORE_SIGNAL (SD, CPU, cia, read_map, 4, vaddr, write_transfer, sim_core_unaligned_signal); |
| 4609 | } |
| 4610 | else |
| 4611 | { |
| 4612 | if (AddressTranslation(vaddr,isDATA,isSTORE,&paddr,&uncached,isTARGET,isREAL)) |
| 4613 | { |
| 4614 | unsigned64 memval = 0; |
| 4615 | unsigned64 memval1 = 0; |
| 4616 | unsigned64 mask = 0x7; |
| 4617 | unsigned int byte; |
| 4618 | paddr = ((paddr & ~mask) | ((paddr & mask) ^ (ReverseEndian << 2))); |
| 4619 | byte = ((vaddr & mask) ^ (BigEndianCPU << 2)); |
| 4620 | memval = (((unsigned64)COP_SW(1,FS)) << (8 * byte)); |
| 4621 | { |
| 4622 | StoreMemory(uncached,AccessLength_WORD,memval,memval1,paddr,vaddr,isREAL); |
| 4623 | } |
| 4624 | } |
| 4625 | } |
| 4626 | } |
| 4627 | } |
| 4628 | |
| 4629 | |
| 4630 | 010001,10,3.FMT,00000,5.FS,5.FD,001001:COP1:64,f::TRUNC.L.fmt |
| 4631 | "trunc.l.%s<FMT> f<FD>, f<FS>" |
| 4632 | *mipsIII: |
| 4633 | *mipsIV: |
| 4634 | *mipsV: |
| 4635 | *mips64: |
| 4636 | *vr4100: |
| 4637 | *vr5000: |
| 4638 | *r3900: |
| 4639 | { |
| 4640 | int fmt = FMT; |
| 4641 | check_fpu (SD_); |
| 4642 | check_fmt (SD_, fmt, instruction_0); |
| 4643 | StoreFPR(FD,fmt_long,Convert(FP_RM_TOZERO,ValueFPR(FS,fmt),fmt,fmt_long)); |
| 4644 | } |
| 4645 | |
| 4646 | |
| 4647 | 010001,10,3.FMT,00000,5.FS,5.FD,001101:COP1:32,f::TRUNC.W |
| 4648 | "trunc.w.%s<FMT> f<FD>, f<FS>" |
| 4649 | *mipsII: |
| 4650 | *mipsIII: |
| 4651 | *mipsIV: |
| 4652 | *mipsV: |
| 4653 | *mips32: |
| 4654 | *mips64: |
| 4655 | *vr4100: |
| 4656 | *vr5000: |
| 4657 | *r3900: |
| 4658 | { |
| 4659 | int fmt = FMT; |
| 4660 | check_fpu (SD_); |
| 4661 | check_fmt (SD_, fmt, instruction_0); |
| 4662 | StoreFPR(FD,fmt_word,Convert(FP_RM_TOZERO,ValueFPR(FS,fmt),fmt,fmt_word)); |
| 4663 | } |
| 4664 | |
| 4665 | \f |
| 4666 | // |
| 4667 | // MIPS Architecture: |
| 4668 | // |
| 4669 | // System Control Instruction Set (COP0) |
| 4670 | // |
| 4671 | |
| 4672 | |
| 4673 | 010000,01000,00000,16.OFFSET:COP0:32::BC0F |
| 4674 | "bc0f <OFFSET>" |
| 4675 | *mipsI: |
| 4676 | *mipsII: |
| 4677 | *mipsIII: |
| 4678 | *mipsIV: |
| 4679 | *mipsV: |
| 4680 | *mips32: |
| 4681 | *mips64: |
| 4682 | *vr4100: |
| 4683 | *vr5000: |
| 4684 | |
| 4685 | 010000,01000,00000,16.OFFSET:COP0:32::BC0F |
| 4686 | "bc0f <OFFSET>" |
| 4687 | // stub needed for eCos as tx39 hardware bug workaround |
| 4688 | *r3900: |
| 4689 | { |
| 4690 | /* do nothing */ |
| 4691 | } |
| 4692 | |
| 4693 | |
| 4694 | 010000,01000,00010,16.OFFSET:COP0:32::BC0FL |
| 4695 | "bc0fl <OFFSET>" |
| 4696 | *mipsI: |
| 4697 | *mipsII: |
| 4698 | *mipsIII: |
| 4699 | *mipsIV: |
| 4700 | *mipsV: |
| 4701 | *mips32: |
| 4702 | *mips64: |
| 4703 | *vr4100: |
| 4704 | *vr5000: |
| 4705 | |
| 4706 | |
| 4707 | 010000,01000,00001,16.OFFSET:COP0:32::BC0T |
| 4708 | "bc0t <OFFSET>" |
| 4709 | *mipsI: |
| 4710 | *mipsII: |
| 4711 | *mipsIII: |
| 4712 | *mipsIV: |
| 4713 | *mipsV: |
| 4714 | *mips32: |
| 4715 | *mips64: |
| 4716 | *vr4100: |
| 4717 | |
| 4718 | |
| 4719 | 010000,01000,00011,16.OFFSET:COP0:32::BC0TL |
| 4720 | "bc0tl <OFFSET>" |
| 4721 | *mipsI: |
| 4722 | *mipsII: |
| 4723 | *mipsIII: |
| 4724 | *mipsIV: |
| 4725 | *mipsV: |
| 4726 | *mips32: |
| 4727 | *mips64: |
| 4728 | *vr4100: |
| 4729 | *vr5000: |
| 4730 | |
| 4731 | |
| 4732 | 101111,5.BASE,5.OP,16.OFFSET:NORMAL:32::CACHE |
| 4733 | "cache <OP>, <OFFSET>(r<BASE>)" |
| 4734 | *mipsIII: |
| 4735 | *mipsIV: |
| 4736 | *mipsV: |
| 4737 | *mips32: |
| 4738 | *mips64: |
| 4739 | *vr4100: |
| 4740 | *vr5000: |
| 4741 | *r3900: |
| 4742 | { |
| 4743 | address_word base = GPR[BASE]; |
| 4744 | address_word offset = EXTEND16 (OFFSET); |
| 4745 | { |
| 4746 | address_word vaddr = loadstore_ea (SD_, base, offset); |
| 4747 | address_word paddr; |
| 4748 | int uncached; |
| 4749 | if (AddressTranslation(vaddr,isDATA,isLOAD,&paddr,&uncached,isTARGET,isREAL)) |
| 4750 | CacheOp(OP,vaddr,paddr,instruction_0); |
| 4751 | } |
| 4752 | } |
| 4753 | |
| 4754 | |
| 4755 | 010000,1,0000000000000000000,111001:COP0:32::DI |
| 4756 | "di" |
| 4757 | *mipsI: |
| 4758 | *mipsII: |
| 4759 | *mipsIII: |
| 4760 | *mipsIV: |
| 4761 | *mipsV: |
| 4762 | *vr4100: |
| 4763 | *vr5000: |
| 4764 | |
| 4765 | |
| 4766 | 010000,00001,5.RT,5.RD,00000000000:COP0:64::DMFC0 |
| 4767 | "dmfc0 r<RT>, r<RD>" |
| 4768 | *mipsIII: |
| 4769 | *mipsIV: |
| 4770 | *mipsV: |
| 4771 | *mips64: |
| 4772 | { |
| 4773 | check_u64 (SD_, instruction_0); |
| 4774 | DecodeCoproc (instruction_0); |
| 4775 | } |
| 4776 | |
| 4777 | |
| 4778 | 010000,00101,5.RT,5.RD,00000000000:COP0:64::DMTC0 |
| 4779 | "dmtc0 r<RT>, r<RD>" |
| 4780 | *mipsIII: |
| 4781 | *mipsIV: |
| 4782 | *mipsV: |
| 4783 | *mips64: |
| 4784 | { |
| 4785 | check_u64 (SD_, instruction_0); |
| 4786 | DecodeCoproc (instruction_0); |
| 4787 | } |
| 4788 | |
| 4789 | |
| 4790 | 010000,1,0000000000000000000,111000:COP0:32::EI |
| 4791 | "ei" |
| 4792 | *mipsI: |
| 4793 | *mipsII: |
| 4794 | *mipsIII: |
| 4795 | *mipsIV: |
| 4796 | *mipsV: |
| 4797 | *mips64: |
| 4798 | *vr4100: |
| 4799 | *vr5000: |
| 4800 | |
| 4801 | |
| 4802 | 010000,1,0000000000000000000,011000:COP0:32::ERET |
| 4803 | "eret" |
| 4804 | *mipsIII: |
| 4805 | *mipsIV: |
| 4806 | *mipsV: |
| 4807 | *mips32: |
| 4808 | *mips64: |
| 4809 | *vr4100: |
| 4810 | *vr5000: |
| 4811 | { |
| 4812 | if (SR & status_ERL) |
| 4813 | { |
| 4814 | /* Oops, not yet available */ |
| 4815 | sim_io_printf (SD, "Warning: ERET when SR[ERL] set not supported"); |
| 4816 | NIA = EPC; |
| 4817 | SR &= ~status_ERL; |
| 4818 | } |
| 4819 | else |
| 4820 | { |
| 4821 | NIA = EPC; |
| 4822 | SR &= ~status_EXL; |
| 4823 | } |
| 4824 | } |
| 4825 | |
| 4826 | |
| 4827 | 010000,00000,5.RT,5.RD,00000,6.REGX:COP0:32::MFC0 |
| 4828 | "mfc0 r<RT>, r<RD> # <REGX>" |
| 4829 | *mipsI: |
| 4830 | *mipsII: |
| 4831 | *mipsIII: |
| 4832 | *mipsIV: |
| 4833 | *mipsV: |
| 4834 | *mips32: |
| 4835 | *mips64: |
| 4836 | *vr4100: |
| 4837 | *vr5000: |
| 4838 | *r3900: |
| 4839 | { |
| 4840 | TRACE_ALU_INPUT0 (); |
| 4841 | DecodeCoproc (instruction_0); |
| 4842 | TRACE_ALU_RESULT (GPR[RT]); |
| 4843 | } |
| 4844 | |
| 4845 | 010000,00100,5.RT,5.RD,00000,6.REGX:COP0:32::MTC0 |
| 4846 | "mtc0 r<RT>, r<RD> # <REGX>" |
| 4847 | *mipsI: |
| 4848 | *mipsII: |
| 4849 | *mipsIII: |
| 4850 | *mipsIV: |
| 4851 | *mipsV: |
| 4852 | *mips32: |
| 4853 | *mips64: |
| 4854 | *vr4100: |
| 4855 | *vr5000: |
| 4856 | *r3900: |
| 4857 | { |
| 4858 | DecodeCoproc (instruction_0); |
| 4859 | } |
| 4860 | |
| 4861 | |
| 4862 | 010000,1,0000000000000000000,010000:COP0:32::RFE |
| 4863 | "rfe" |
| 4864 | *mipsI: |
| 4865 | *mipsII: |
| 4866 | *mipsIII: |
| 4867 | *mipsIV: |
| 4868 | *mipsV: |
| 4869 | *vr4100: |
| 4870 | *vr5000: |
| 4871 | *r3900: |
| 4872 | { |
| 4873 | DecodeCoproc (instruction_0); |
| 4874 | } |
| 4875 | |
| 4876 | |
| 4877 | 0100,ZZ!0!1!3,5.COP_FUN0!8,5.COP_FUN1,16.COP_FUN2:NORMAL:32::COPz |
| 4878 | "cop<ZZ> <COP_FUN0><COP_FUN1><COP_FUN2>" |
| 4879 | *mipsI: |
| 4880 | *mipsII: |
| 4881 | *mipsIII: |
| 4882 | *mipsIV: |
| 4883 | *mipsV: |
| 4884 | *mips32: |
| 4885 | *mips64: |
| 4886 | *vr4100: |
| 4887 | *r3900: |
| 4888 | { |
| 4889 | DecodeCoproc (instruction_0); |
| 4890 | } |
| 4891 | |
| 4892 | |
| 4893 | |
| 4894 | 010000,1,0000000000000000000,001000:COP0:32::TLBP |
| 4895 | "tlbp" |
| 4896 | *mipsI: |
| 4897 | *mipsII: |
| 4898 | *mipsIII: |
| 4899 | *mipsIV: |
| 4900 | *mipsV: |
| 4901 | *mips32: |
| 4902 | *mips64: |
| 4903 | *vr4100: |
| 4904 | *vr5000: |
| 4905 | |
| 4906 | |
| 4907 | 010000,1,0000000000000000000,000001:COP0:32::TLBR |
| 4908 | "tlbr" |
| 4909 | *mipsI: |
| 4910 | *mipsII: |
| 4911 | *mipsIII: |
| 4912 | *mipsIV: |
| 4913 | *mipsV: |
| 4914 | *mips32: |
| 4915 | *mips64: |
| 4916 | *vr4100: |
| 4917 | *vr5000: |
| 4918 | |
| 4919 | |
| 4920 | 010000,1,0000000000000000000,000010:COP0:32::TLBWI |
| 4921 | "tlbwi" |
| 4922 | *mipsI: |
| 4923 | *mipsII: |
| 4924 | *mipsIII: |
| 4925 | *mipsIV: |
| 4926 | *mipsV: |
| 4927 | *mips32: |
| 4928 | *mips64: |
| 4929 | *vr4100: |
| 4930 | *vr5000: |
| 4931 | |
| 4932 | |
| 4933 | 010000,1,0000000000000000000,000110:COP0:32::TLBWR |
| 4934 | "tlbwr" |
| 4935 | *mipsI: |
| 4936 | *mipsII: |
| 4937 | *mipsIII: |
| 4938 | *mipsIV: |
| 4939 | *mipsV: |
| 4940 | *mips32: |
| 4941 | *mips64: |
| 4942 | *vr4100: |
| 4943 | *vr5000: |
| 4944 | |
| 4945 | \f |
| 4946 | :include:::m16.igen |
| 4947 | :include:::tx.igen |
| 4948 | :include:::vr.igen |
| 4949 | \f |