1 #ifndef MIPS_CPU_H 2 #define MIPS_CPU_H 3 4 #include "cpu-qom.h" 5 #include "exec/cpu-defs.h" 6 #include "fpu/softfloat-types.h" 7 #include "hw/clock.h" 8 #include "mips-defs.h" 9 10 #define TCG_GUEST_DEFAULT_MO (0) 11 12 typedef struct CPUMIPSTLBContext CPUMIPSTLBContext; 13 14 /* MSA Context */ 15 #define MSA_WRLEN (128) 16 17 typedef union wr_t wr_t; 18 union wr_t { 19 int8_t b[MSA_WRLEN / 8]; 20 int16_t h[MSA_WRLEN / 16]; 21 int32_t w[MSA_WRLEN / 32]; 22 int64_t d[MSA_WRLEN / 64]; 23 }; 24 25 typedef union fpr_t fpr_t; 26 union fpr_t { 27 float64 fd; /* ieee double precision */ 28 float32 fs[2];/* ieee single precision */ 29 uint64_t d; /* binary double fixed-point */ 30 uint32_t w[2]; /* binary single fixed-point */ 31 /* FPU/MSA register mapping is not tested on big-endian hosts. */ 32 wr_t wr; /* vector data */ 33 }; 34 /* 35 *define FP_ENDIAN_IDX to access the same location 36 * in the fpr_t union regardless of the host endianness 37 */ 38 #if defined(HOST_WORDS_BIGENDIAN) 39 # define FP_ENDIAN_IDX 1 40 #else 41 # define FP_ENDIAN_IDX 0 42 #endif 43 44 typedef struct CPUMIPSFPUContext CPUMIPSFPUContext; 45 struct CPUMIPSFPUContext { 46 /* Floating point registers */ 47 fpr_t fpr[32]; 48 float_status fp_status; 49 /* fpu implementation/revision register (fir) */ 50 uint32_t fcr0; 51 #define FCR0_FREP 29 52 #define FCR0_UFRP 28 53 #define FCR0_HAS2008 23 54 #define FCR0_F64 22 55 #define FCR0_L 21 56 #define FCR0_W 20 57 #define FCR0_3D 19 58 #define FCR0_PS 18 59 #define FCR0_D 17 60 #define FCR0_S 16 61 #define FCR0_PRID 8 62 #define FCR0_REV 0 63 /* fcsr */ 64 uint32_t fcr31_rw_bitmask; 65 uint32_t fcr31; 66 #define FCR31_FS 24 67 #define FCR31_ABS2008 19 68 #define FCR31_NAN2008 18 69 #define SET_FP_COND(num, env) do { ((env).fcr31) |= \ 70 ((num) ? (1 << ((num) + 24)) : \ 71 (1 << 23)); \ 72 } while (0) 73 #define CLEAR_FP_COND(num, env) do { ((env).fcr31) &= \ 74 ~((num) ? (1 << ((num) + 24)) : \ 75 (1 << 23)); \ 76 } while (0) 77 #define GET_FP_COND(env) ((((env).fcr31 >> 24) & 0xfe) | \ 78 (((env).fcr31 >> 23) & 0x1)) 79 #define GET_FP_CAUSE(reg) (((reg) >> 12) & 0x3f) 80 #define GET_FP_ENABLE(reg) (((reg) >> 7) & 0x1f) 81 #define GET_FP_FLAGS(reg) (((reg) >> 2) & 0x1f) 82 #define SET_FP_CAUSE(reg, v) do { (reg) = ((reg) & ~(0x3f << 12)) | \ 83 ((v & 0x3f) << 12); \ 84 } while (0) 85 #define SET_FP_ENABLE(reg, v) do { (reg) = ((reg) & ~(0x1f << 7)) | \ 86 ((v & 0x1f) << 7); \ 87 } while (0) 88 #define SET_FP_FLAGS(reg, v) do { (reg) = ((reg) & ~(0x1f << 2)) | \ 89 ((v & 0x1f) << 2); \ 90 } while (0) 91 #define UPDATE_FP_FLAGS(reg, v) do { (reg) |= ((v & 0x1f) << 2); } while (0) 92 #define FP_INEXACT 1 93 #define FP_UNDERFLOW 2 94 #define FP_OVERFLOW 4 95 #define FP_DIV0 8 96 #define FP_INVALID 16 97 #define FP_UNIMPLEMENTED 32 98 }; 99 100 #define TARGET_INSN_START_EXTRA_WORDS 2 101 102 typedef struct CPUMIPSMVPContext CPUMIPSMVPContext; 103 struct CPUMIPSMVPContext { 104 int32_t CP0_MVPControl; 105 #define CP0MVPCo_CPA 3 106 #define CP0MVPCo_STLB 2 107 #define CP0MVPCo_VPC 1 108 #define CP0MVPCo_EVP 0 109 int32_t CP0_MVPConf0; 110 #define CP0MVPC0_M 31 111 #define CP0MVPC0_TLBS 29 112 #define CP0MVPC0_GS 28 113 #define CP0MVPC0_PCP 27 114 #define CP0MVPC0_PTLBE 16 115 #define CP0MVPC0_TCA 15 116 #define CP0MVPC0_PVPE 10 117 #define CP0MVPC0_PTC 0 118 int32_t CP0_MVPConf1; 119 #define CP0MVPC1_CIM 31 120 #define CP0MVPC1_CIF 30 121 #define CP0MVPC1_PCX 20 122 #define CP0MVPC1_PCP2 10 123 #define CP0MVPC1_PCP1 0 124 }; 125 126 typedef struct mips_def_t mips_def_t; 127 128 #define MIPS_SHADOW_SET_MAX 16 129 #define MIPS_TC_MAX 5 130 #define MIPS_FPU_MAX 1 131 #define MIPS_DSP_ACC 4 132 #define MIPS_KSCRATCH_NUM 6 133 #define MIPS_MAAR_MAX 16 /* Must be an even number. */ 134 135 136 /* 137 * Summary of CP0 registers 138 * ======================== 139 * 140 * 141 * Register 0 Register 1 Register 2 Register 3 142 * ---------- ---------- ---------- ---------- 143 * 144 * 0 Index Random EntryLo0 EntryLo1 145 * 1 MVPControl VPEControl TCStatus GlobalNumber 146 * 2 MVPConf0 VPEConf0 TCBind 147 * 3 MVPConf1 VPEConf1 TCRestart 148 * 4 VPControl YQMask TCHalt 149 * 5 VPESchedule TCContext 150 * 6 VPEScheFBack TCSchedule 151 * 7 VPEOpt TCScheFBack TCOpt 152 * 153 * 154 * Register 4 Register 5 Register 6 Register 7 155 * ---------- ---------- ---------- ---------- 156 * 157 * 0 Context PageMask Wired HWREna 158 * 1 ContextConfig PageGrain SRSConf0 159 * 2 UserLocal SegCtl0 SRSConf1 160 * 3 XContextConfig SegCtl1 SRSConf2 161 * 4 DebugContextID SegCtl2 SRSConf3 162 * 5 MemoryMapID PWBase SRSConf4 163 * 6 PWField PWCtl 164 * 7 PWSize 165 * 166 * 167 * Register 8 Register 9 Register 10 Register 11 168 * ---------- ---------- ----------- ----------- 169 * 170 * 0 BadVAddr Count EntryHi Compare 171 * 1 BadInstr 172 * 2 BadInstrP 173 * 3 BadInstrX 174 * 4 GuestCtl1 GuestCtl0Ext 175 * 5 GuestCtl2 176 * 6 SAARI GuestCtl3 177 * 7 SAAR 178 * 179 * 180 * Register 12 Register 13 Register 14 Register 15 181 * ----------- ----------- ----------- ----------- 182 * 183 * 0 Status Cause EPC PRId 184 * 1 IntCtl EBase 185 * 2 SRSCtl NestedEPC CDMMBase 186 * 3 SRSMap CMGCRBase 187 * 4 View_IPL View_RIPL BEVVA 188 * 5 SRSMap2 NestedExc 189 * 6 GuestCtl0 190 * 7 GTOffset 191 * 192 * 193 * Register 16 Register 17 Register 18 Register 19 194 * ----------- ----------- ----------- ----------- 195 * 196 * 0 Config LLAddr WatchLo0 WatchHi 197 * 1 Config1 MAAR WatchLo1 WatchHi 198 * 2 Config2 MAARI WatchLo2 WatchHi 199 * 3 Config3 WatchLo3 WatchHi 200 * 4 Config4 WatchLo4 WatchHi 201 * 5 Config5 WatchLo5 WatchHi 202 * 6 Config6 WatchLo6 WatchHi 203 * 7 Config7 WatchLo7 WatchHi 204 * 205 * 206 * Register 20 Register 21 Register 22 Register 23 207 * ----------- ----------- ----------- ----------- 208 * 209 * 0 XContext Debug 210 * 1 TraceControl 211 * 2 TraceControl2 212 * 3 UserTraceData1 213 * 4 TraceIBPC 214 * 5 TraceDBPC 215 * 6 Debug2 216 * 7 217 * 218 * 219 * Register 24 Register 25 Register 26 Register 27 220 * ----------- ----------- ----------- ----------- 221 * 222 * 0 DEPC PerfCnt ErrCtl CacheErr 223 * 1 PerfCnt 224 * 2 TraceControl3 PerfCnt 225 * 3 UserTraceData2 PerfCnt 226 * 4 PerfCnt 227 * 5 PerfCnt 228 * 6 PerfCnt 229 * 7 PerfCnt 230 * 231 * 232 * Register 28 Register 29 Register 30 Register 31 233 * ----------- ----------- ----------- ----------- 234 * 235 * 0 DataLo DataHi ErrorEPC DESAVE 236 * 1 TagLo TagHi 237 * 2 DataLo1 DataHi1 KScratch<n> 238 * 3 TagLo1 TagHi1 KScratch<n> 239 * 4 DataLo2 DataHi2 KScratch<n> 240 * 5 TagLo2 TagHi2 KScratch<n> 241 * 6 DataLo3 DataHi3 KScratch<n> 242 * 7 TagLo3 TagHi3 KScratch<n> 243 * 244 */ 245 #define CP0_REGISTER_00 0 246 #define CP0_REGISTER_01 1 247 #define CP0_REGISTER_02 2 248 #define CP0_REGISTER_03 3 249 #define CP0_REGISTER_04 4 250 #define CP0_REGISTER_05 5 251 #define CP0_REGISTER_06 6 252 #define CP0_REGISTER_07 7 253 #define CP0_REGISTER_08 8 254 #define CP0_REGISTER_09 9 255 #define CP0_REGISTER_10 10 256 #define CP0_REGISTER_11 11 257 #define CP0_REGISTER_12 12 258 #define CP0_REGISTER_13 13 259 #define CP0_REGISTER_14 14 260 #define CP0_REGISTER_15 15 261 #define CP0_REGISTER_16 16 262 #define CP0_REGISTER_17 17 263 #define CP0_REGISTER_18 18 264 #define CP0_REGISTER_19 19 265 #define CP0_REGISTER_20 20 266 #define CP0_REGISTER_21 21 267 #define CP0_REGISTER_22 22 268 #define CP0_REGISTER_23 23 269 #define CP0_REGISTER_24 24 270 #define CP0_REGISTER_25 25 271 #define CP0_REGISTER_26 26 272 #define CP0_REGISTER_27 27 273 #define CP0_REGISTER_28 28 274 #define CP0_REGISTER_29 29 275 #define CP0_REGISTER_30 30 276 #define CP0_REGISTER_31 31 277 278 279 /* CP0 Register 00 */ 280 #define CP0_REG00__INDEX 0 281 #define CP0_REG00__MVPCONTROL 1 282 #define CP0_REG00__MVPCONF0 2 283 #define CP0_REG00__MVPCONF1 3 284 #define CP0_REG00__VPCONTROL 4 285 /* CP0 Register 01 */ 286 #define CP0_REG01__RANDOM 0 287 #define CP0_REG01__VPECONTROL 1 288 #define CP0_REG01__VPECONF0 2 289 #define CP0_REG01__VPECONF1 3 290 #define CP0_REG01__YQMASK 4 291 #define CP0_REG01__VPESCHEDULE 5 292 #define CP0_REG01__VPESCHEFBACK 6 293 #define CP0_REG01__VPEOPT 7 294 /* CP0 Register 02 */ 295 #define CP0_REG02__ENTRYLO0 0 296 #define CP0_REG02__TCSTATUS 1 297 #define CP0_REG02__TCBIND 2 298 #define CP0_REG02__TCRESTART 3 299 #define CP0_REG02__TCHALT 4 300 #define CP0_REG02__TCCONTEXT 5 301 #define CP0_REG02__TCSCHEDULE 6 302 #define CP0_REG02__TCSCHEFBACK 7 303 /* CP0 Register 03 */ 304 #define CP0_REG03__ENTRYLO1 0 305 #define CP0_REG03__GLOBALNUM 1 306 #define CP0_REG03__TCOPT 7 307 /* CP0 Register 04 */ 308 #define CP0_REG04__CONTEXT 0 309 #define CP0_REG04__CONTEXTCONFIG 1 310 #define CP0_REG04__USERLOCAL 2 311 #define CP0_REG04__XCONTEXTCONFIG 3 312 #define CP0_REG04__DBGCONTEXTID 4 313 #define CP0_REG04__MMID 5 314 /* CP0 Register 05 */ 315 #define CP0_REG05__PAGEMASK 0 316 #define CP0_REG05__PAGEGRAIN 1 317 #define CP0_REG05__SEGCTL0 2 318 #define CP0_REG05__SEGCTL1 3 319 #define CP0_REG05__SEGCTL2 4 320 #define CP0_REG05__PWBASE 5 321 #define CP0_REG05__PWFIELD 6 322 #define CP0_REG05__PWSIZE 7 323 /* CP0 Register 06 */ 324 #define CP0_REG06__WIRED 0 325 #define CP0_REG06__SRSCONF0 1 326 #define CP0_REG06__SRSCONF1 2 327 #define CP0_REG06__SRSCONF2 3 328 #define CP0_REG06__SRSCONF3 4 329 #define CP0_REG06__SRSCONF4 5 330 #define CP0_REG06__PWCTL 6 331 /* CP0 Register 07 */ 332 #define CP0_REG07__HWRENA 0 333 /* CP0 Register 08 */ 334 #define CP0_REG08__BADVADDR 0 335 #define CP0_REG08__BADINSTR 1 336 #define CP0_REG08__BADINSTRP 2 337 #define CP0_REG08__BADINSTRX 3 338 /* CP0 Register 09 */ 339 #define CP0_REG09__COUNT 0 340 #define CP0_REG09__SAARI 6 341 #define CP0_REG09__SAAR 7 342 /* CP0 Register 10 */ 343 #define CP0_REG10__ENTRYHI 0 344 #define CP0_REG10__GUESTCTL1 4 345 #define CP0_REG10__GUESTCTL2 5 346 #define CP0_REG10__GUESTCTL3 6 347 /* CP0 Register 11 */ 348 #define CP0_REG11__COMPARE 0 349 #define CP0_REG11__GUESTCTL0EXT 4 350 /* CP0 Register 12 */ 351 #define CP0_REG12__STATUS 0 352 #define CP0_REG12__INTCTL 1 353 #define CP0_REG12__SRSCTL 2 354 #define CP0_REG12__SRSMAP 3 355 #define CP0_REG12__VIEW_IPL 4 356 #define CP0_REG12__SRSMAP2 5 357 #define CP0_REG12__GUESTCTL0 6 358 #define CP0_REG12__GTOFFSET 7 359 /* CP0 Register 13 */ 360 #define CP0_REG13__CAUSE 0 361 #define CP0_REG13__VIEW_RIPL 4 362 #define CP0_REG13__NESTEDEXC 5 363 /* CP0 Register 14 */ 364 #define CP0_REG14__EPC 0 365 #define CP0_REG14__NESTEDEPC 2 366 /* CP0 Register 15 */ 367 #define CP0_REG15__PRID 0 368 #define CP0_REG15__EBASE 1 369 #define CP0_REG15__CDMMBASE 2 370 #define CP0_REG15__CMGCRBASE 3 371 #define CP0_REG15__BEVVA 4 372 /* CP0 Register 16 */ 373 #define CP0_REG16__CONFIG 0 374 #define CP0_REG16__CONFIG1 1 375 #define CP0_REG16__CONFIG2 2 376 #define CP0_REG16__CONFIG3 3 377 #define CP0_REG16__CONFIG4 4 378 #define CP0_REG16__CONFIG5 5 379 #define CP0_REG16__CONFIG6 6 380 #define CP0_REG16__CONFIG7 7 381 /* CP0 Register 17 */ 382 #define CP0_REG17__LLADDR 0 383 #define CP0_REG17__MAAR 1 384 #define CP0_REG17__MAARI 2 385 /* CP0 Register 18 */ 386 #define CP0_REG18__WATCHLO0 0 387 #define CP0_REG18__WATCHLO1 1 388 #define CP0_REG18__WATCHLO2 2 389 #define CP0_REG18__WATCHLO3 3 390 #define CP0_REG18__WATCHLO4 4 391 #define CP0_REG18__WATCHLO5 5 392 #define CP0_REG18__WATCHLO6 6 393 #define CP0_REG18__WATCHLO7 7 394 /* CP0 Register 19 */ 395 #define CP0_REG19__WATCHHI0 0 396 #define CP0_REG19__WATCHHI1 1 397 #define CP0_REG19__WATCHHI2 2 398 #define CP0_REG19__WATCHHI3 3 399 #define CP0_REG19__WATCHHI4 4 400 #define CP0_REG19__WATCHHI5 5 401 #define CP0_REG19__WATCHHI6 6 402 #define CP0_REG19__WATCHHI7 7 403 /* CP0 Register 20 */ 404 #define CP0_REG20__XCONTEXT 0 405 /* CP0 Register 21 */ 406 /* CP0 Register 22 */ 407 /* CP0 Register 23 */ 408 #define CP0_REG23__DEBUG 0 409 #define CP0_REG23__TRACECONTROL 1 410 #define CP0_REG23__TRACECONTROL2 2 411 #define CP0_REG23__USERTRACEDATA1 3 412 #define CP0_REG23__TRACEIBPC 4 413 #define CP0_REG23__TRACEDBPC 5 414 #define CP0_REG23__DEBUG2 6 415 /* CP0 Register 24 */ 416 #define CP0_REG24__DEPC 0 417 /* CP0 Register 25 */ 418 #define CP0_REG25__PERFCTL0 0 419 #define CP0_REG25__PERFCNT0 1 420 #define CP0_REG25__PERFCTL1 2 421 #define CP0_REG25__PERFCNT1 3 422 #define CP0_REG25__PERFCTL2 4 423 #define CP0_REG25__PERFCNT2 5 424 #define CP0_REG25__PERFCTL3 6 425 #define CP0_REG25__PERFCNT3 7 426 /* CP0 Register 26 */ 427 #define CP0_REG26__ERRCTL 0 428 /* CP0 Register 27 */ 429 #define CP0_REG27__CACHERR 0 430 /* CP0 Register 28 */ 431 #define CP0_REG28__TAGLO 0 432 #define CP0_REG28__DATALO 1 433 #define CP0_REG28__TAGLO1 2 434 #define CP0_REG28__DATALO1 3 435 #define CP0_REG28__TAGLO2 4 436 #define CP0_REG28__DATALO2 5 437 #define CP0_REG28__TAGLO3 6 438 #define CP0_REG28__DATALO3 7 439 /* CP0 Register 29 */ 440 #define CP0_REG29__TAGHI 0 441 #define CP0_REG29__DATAHI 1 442 #define CP0_REG29__TAGHI1 2 443 #define CP0_REG29__DATAHI1 3 444 #define CP0_REG29__TAGHI2 4 445 #define CP0_REG29__DATAHI2 5 446 #define CP0_REG29__TAGHI3 6 447 #define CP0_REG29__DATAHI3 7 448 /* CP0 Register 30 */ 449 #define CP0_REG30__ERROREPC 0 450 /* CP0 Register 31 */ 451 #define CP0_REG31__DESAVE 0 452 #define CP0_REG31__KSCRATCH1 2 453 #define CP0_REG31__KSCRATCH2 3 454 #define CP0_REG31__KSCRATCH3 4 455 #define CP0_REG31__KSCRATCH4 5 456 #define CP0_REG31__KSCRATCH5 6 457 #define CP0_REG31__KSCRATCH6 7 458 459 460 typedef struct TCState TCState; 461 struct TCState { 462 target_ulong gpr[32]; 463 target_ulong PC; 464 target_ulong HI[MIPS_DSP_ACC]; 465 target_ulong LO[MIPS_DSP_ACC]; 466 target_ulong ACX[MIPS_DSP_ACC]; 467 target_ulong DSPControl; 468 int32_t CP0_TCStatus; 469 #define CP0TCSt_TCU3 31 470 #define CP0TCSt_TCU2 30 471 #define CP0TCSt_TCU1 29 472 #define CP0TCSt_TCU0 28 473 #define CP0TCSt_TMX 27 474 #define CP0TCSt_RNST 23 475 #define CP0TCSt_TDS 21 476 #define CP0TCSt_DT 20 477 #define CP0TCSt_DA 15 478 #define CP0TCSt_A 13 479 #define CP0TCSt_TKSU 11 480 #define CP0TCSt_IXMT 10 481 #define CP0TCSt_TASID 0 482 int32_t CP0_TCBind; 483 #define CP0TCBd_CurTC 21 484 #define CP0TCBd_TBE 17 485 #define CP0TCBd_CurVPE 0 486 target_ulong CP0_TCHalt; 487 target_ulong CP0_TCContext; 488 target_ulong CP0_TCSchedule; 489 target_ulong CP0_TCScheFBack; 490 int32_t CP0_Debug_tcstatus; 491 target_ulong CP0_UserLocal; 492 493 int32_t msacsr; 494 495 #define MSACSR_FS 24 496 #define MSACSR_FS_MASK (1 << MSACSR_FS) 497 #define MSACSR_NX 18 498 #define MSACSR_NX_MASK (1 << MSACSR_NX) 499 #define MSACSR_CEF 2 500 #define MSACSR_CEF_MASK (0xffff << MSACSR_CEF) 501 #define MSACSR_RM 0 502 #define MSACSR_RM_MASK (0x3 << MSACSR_RM) 503 #define MSACSR_MASK (MSACSR_RM_MASK | MSACSR_CEF_MASK | MSACSR_NX_MASK | \ 504 MSACSR_FS_MASK) 505 506 float_status msa_fp_status; 507 508 /* Upper 64-bit MMRs (multimedia registers); the lower 64-bit are GPRs */ 509 uint64_t mmr[32]; 510 511 #define NUMBER_OF_MXU_REGISTERS 16 512 target_ulong mxu_gpr[NUMBER_OF_MXU_REGISTERS - 1]; 513 target_ulong mxu_cr; 514 #define MXU_CR_LC 31 515 #define MXU_CR_RC 30 516 #define MXU_CR_BIAS 2 517 #define MXU_CR_RD_EN 1 518 #define MXU_CR_MXU_EN 0 519 520 }; 521 522 struct MIPSITUState; 523 typedef struct CPUMIPSState CPUMIPSState; 524 struct CPUMIPSState { 525 TCState active_tc; 526 CPUMIPSFPUContext active_fpu; 527 528 uint32_t current_tc; 529 uint32_t current_fpu; 530 531 uint32_t SEGBITS; 532 uint32_t PABITS; 533 #if defined(TARGET_MIPS64) 534 # define PABITS_BASE 36 535 #else 536 # define PABITS_BASE 32 537 #endif 538 target_ulong SEGMask; 539 uint64_t PAMask; 540 #define PAMASK_BASE ((1ULL << PABITS_BASE) - 1) 541 542 int32_t msair; 543 #define MSAIR_ProcID 8 544 #define MSAIR_Rev 0 545 546 /* 547 * CP0 Register 0 548 */ 549 int32_t CP0_Index; 550 /* CP0_MVP* are per MVP registers. */ 551 int32_t CP0_VPControl; 552 #define CP0VPCtl_DIS 0 553 /* 554 * CP0 Register 1 555 */ 556 int32_t CP0_Random; 557 int32_t CP0_VPEControl; 558 #define CP0VPECo_YSI 21 559 #define CP0VPECo_GSI 20 560 #define CP0VPECo_EXCPT 16 561 #define CP0VPECo_TE 15 562 #define CP0VPECo_TargTC 0 563 int32_t CP0_VPEConf0; 564 #define CP0VPEC0_M 31 565 #define CP0VPEC0_XTC 21 566 #define CP0VPEC0_TCS 19 567 #define CP0VPEC0_SCS 18 568 #define CP0VPEC0_DSC 17 569 #define CP0VPEC0_ICS 16 570 #define CP0VPEC0_MVP 1 571 #define CP0VPEC0_VPA 0 572 int32_t CP0_VPEConf1; 573 #define CP0VPEC1_NCX 20 574 #define CP0VPEC1_NCP2 10 575 #define CP0VPEC1_NCP1 0 576 target_ulong CP0_YQMask; 577 target_ulong CP0_VPESchedule; 578 target_ulong CP0_VPEScheFBack; 579 int32_t CP0_VPEOpt; 580 #define CP0VPEOpt_IWX7 15 581 #define CP0VPEOpt_IWX6 14 582 #define CP0VPEOpt_IWX5 13 583 #define CP0VPEOpt_IWX4 12 584 #define CP0VPEOpt_IWX3 11 585 #define CP0VPEOpt_IWX2 10 586 #define CP0VPEOpt_IWX1 9 587 #define CP0VPEOpt_IWX0 8 588 #define CP0VPEOpt_DWX7 7 589 #define CP0VPEOpt_DWX6 6 590 #define CP0VPEOpt_DWX5 5 591 #define CP0VPEOpt_DWX4 4 592 #define CP0VPEOpt_DWX3 3 593 #define CP0VPEOpt_DWX2 2 594 #define CP0VPEOpt_DWX1 1 595 #define CP0VPEOpt_DWX0 0 596 /* 597 * CP0 Register 2 598 */ 599 uint64_t CP0_EntryLo0; 600 /* 601 * CP0 Register 3 602 */ 603 uint64_t CP0_EntryLo1; 604 #if defined(TARGET_MIPS64) 605 # define CP0EnLo_RI 63 606 # define CP0EnLo_XI 62 607 #else 608 # define CP0EnLo_RI 31 609 # define CP0EnLo_XI 30 610 #endif 611 int32_t CP0_GlobalNumber; 612 #define CP0GN_VPId 0 613 /* 614 * CP0 Register 4 615 */ 616 target_ulong CP0_Context; 617 int32_t CP0_MemoryMapID; 618 /* 619 * CP0 Register 5 620 */ 621 int32_t CP0_PageMask; 622 int32_t CP0_PageGrain_rw_bitmask; 623 int32_t CP0_PageGrain; 624 #define CP0PG_RIE 31 625 #define CP0PG_XIE 30 626 #define CP0PG_ELPA 29 627 #define CP0PG_IEC 27 628 target_ulong CP0_SegCtl0; 629 target_ulong CP0_SegCtl1; 630 target_ulong CP0_SegCtl2; 631 #define CP0SC_PA 9 632 #define CP0SC_PA_MASK (0x7FULL << CP0SC_PA) 633 #define CP0SC_PA_1GMASK (0x7EULL << CP0SC_PA) 634 #define CP0SC_AM 4 635 #define CP0SC_AM_MASK (0x7ULL << CP0SC_AM) 636 #define CP0SC_AM_UK 0ULL 637 #define CP0SC_AM_MK 1ULL 638 #define CP0SC_AM_MSK 2ULL 639 #define CP0SC_AM_MUSK 3ULL 640 #define CP0SC_AM_MUSUK 4ULL 641 #define CP0SC_AM_USK 5ULL 642 #define CP0SC_AM_UUSK 7ULL 643 #define CP0SC_EU 3 644 #define CP0SC_EU_MASK (1ULL << CP0SC_EU) 645 #define CP0SC_C 0 646 #define CP0SC_C_MASK (0x7ULL << CP0SC_C) 647 #define CP0SC_MASK (CP0SC_C_MASK | CP0SC_EU_MASK | CP0SC_AM_MASK | \ 648 CP0SC_PA_MASK) 649 #define CP0SC_1GMASK (CP0SC_C_MASK | CP0SC_EU_MASK | CP0SC_AM_MASK | \ 650 CP0SC_PA_1GMASK) 651 #define CP0SC0_MASK (CP0SC_MASK | (CP0SC_MASK << 16)) 652 #define CP0SC1_XAM 59 653 #define CP0SC1_XAM_MASK (0x7ULL << CP0SC1_XAM) 654 #define CP0SC1_MASK (CP0SC_MASK | (CP0SC_MASK << 16) | CP0SC1_XAM_MASK) 655 #define CP0SC2_XR 56 656 #define CP0SC2_XR_MASK (0xFFULL << CP0SC2_XR) 657 #define CP0SC2_MASK (CP0SC_1GMASK | (CP0SC_1GMASK << 16) | CP0SC2_XR_MASK) 658 target_ulong CP0_PWBase; 659 target_ulong CP0_PWField; 660 #if defined(TARGET_MIPS64) 661 #define CP0PF_BDI 32 /* 37..32 */ 662 #define CP0PF_GDI 24 /* 29..24 */ 663 #define CP0PF_UDI 18 /* 23..18 */ 664 #define CP0PF_MDI 12 /* 17..12 */ 665 #define CP0PF_PTI 6 /* 11..6 */ 666 #define CP0PF_PTEI 0 /* 5..0 */ 667 #else 668 #define CP0PF_GDW 24 /* 29..24 */ 669 #define CP0PF_UDW 18 /* 23..18 */ 670 #define CP0PF_MDW 12 /* 17..12 */ 671 #define CP0PF_PTW 6 /* 11..6 */ 672 #define CP0PF_PTEW 0 /* 5..0 */ 673 #endif 674 target_ulong CP0_PWSize; 675 #if defined(TARGET_MIPS64) 676 #define CP0PS_BDW 32 /* 37..32 */ 677 #endif 678 #define CP0PS_PS 30 679 #define CP0PS_GDW 24 /* 29..24 */ 680 #define CP0PS_UDW 18 /* 23..18 */ 681 #define CP0PS_MDW 12 /* 17..12 */ 682 #define CP0PS_PTW 6 /* 11..6 */ 683 #define CP0PS_PTEW 0 /* 5..0 */ 684 /* 685 * CP0 Register 6 686 */ 687 int32_t CP0_Wired; 688 int32_t CP0_PWCtl; 689 #define CP0PC_PWEN 31 690 #if defined(TARGET_MIPS64) 691 #define CP0PC_PWDIREXT 30 692 #define CP0PC_XK 28 693 #define CP0PC_XS 27 694 #define CP0PC_XU 26 695 #endif 696 #define CP0PC_DPH 7 697 #define CP0PC_HUGEPG 6 698 #define CP0PC_PSN 0 /* 5..0 */ 699 int32_t CP0_SRSConf0_rw_bitmask; 700 int32_t CP0_SRSConf0; 701 #define CP0SRSC0_M 31 702 #define CP0SRSC0_SRS3 20 703 #define CP0SRSC0_SRS2 10 704 #define CP0SRSC0_SRS1 0 705 int32_t CP0_SRSConf1_rw_bitmask; 706 int32_t CP0_SRSConf1; 707 #define CP0SRSC1_M 31 708 #define CP0SRSC1_SRS6 20 709 #define CP0SRSC1_SRS5 10 710 #define CP0SRSC1_SRS4 0 711 int32_t CP0_SRSConf2_rw_bitmask; 712 int32_t CP0_SRSConf2; 713 #define CP0SRSC2_M 31 714 #define CP0SRSC2_SRS9 20 715 #define CP0SRSC2_SRS8 10 716 #define CP0SRSC2_SRS7 0 717 int32_t CP0_SRSConf3_rw_bitmask; 718 int32_t CP0_SRSConf3; 719 #define CP0SRSC3_M 31 720 #define CP0SRSC3_SRS12 20 721 #define CP0SRSC3_SRS11 10 722 #define CP0SRSC3_SRS10 0 723 int32_t CP0_SRSConf4_rw_bitmask; 724 int32_t CP0_SRSConf4; 725 #define CP0SRSC4_SRS15 20 726 #define CP0SRSC4_SRS14 10 727 #define CP0SRSC4_SRS13 0 728 /* 729 * CP0 Register 7 730 */ 731 int32_t CP0_HWREna; 732 /* 733 * CP0 Register 8 734 */ 735 target_ulong CP0_BadVAddr; 736 uint32_t CP0_BadInstr; 737 uint32_t CP0_BadInstrP; 738 uint32_t CP0_BadInstrX; 739 /* 740 * CP0 Register 9 741 */ 742 int32_t CP0_Count; 743 uint32_t CP0_SAARI; 744 #define CP0SAARI_TARGET 0 /* 5..0 */ 745 uint64_t CP0_SAAR[2]; 746 #define CP0SAAR_BASE 12 /* 43..12 */ 747 #define CP0SAAR_SIZE 1 /* 5..1 */ 748 #define CP0SAAR_EN 0 749 /* 750 * CP0 Register 10 751 */ 752 target_ulong CP0_EntryHi; 753 #define CP0EnHi_EHINV 10 754 target_ulong CP0_EntryHi_ASID_mask; 755 /* 756 * CP0 Register 11 757 */ 758 int32_t CP0_Compare; 759 /* 760 * CP0 Register 12 761 */ 762 int32_t CP0_Status; 763 #define CP0St_CU3 31 764 #define CP0St_CU2 30 765 #define CP0St_CU1 29 766 #define CP0St_CU0 28 767 #define CP0St_RP 27 768 #define CP0St_FR 26 769 #define CP0St_RE 25 770 #define CP0St_MX 24 771 #define CP0St_PX 23 772 #define CP0St_BEV 22 773 #define CP0St_TS 21 774 #define CP0St_SR 20 775 #define CP0St_NMI 19 776 #define CP0St_IM 8 777 #define CP0St_KX 7 778 #define CP0St_SX 6 779 #define CP0St_UX 5 780 #define CP0St_KSU 3 781 #define CP0St_ERL 2 782 #define CP0St_EXL 1 783 #define CP0St_IE 0 784 int32_t CP0_IntCtl; 785 #define CP0IntCtl_IPTI 29 786 #define CP0IntCtl_IPPCI 26 787 #define CP0IntCtl_VS 5 788 int32_t CP0_SRSCtl; 789 #define CP0SRSCtl_HSS 26 790 #define CP0SRSCtl_EICSS 18 791 #define CP0SRSCtl_ESS 12 792 #define CP0SRSCtl_PSS 6 793 #define CP0SRSCtl_CSS 0 794 int32_t CP0_SRSMap; 795 #define CP0SRSMap_SSV7 28 796 #define CP0SRSMap_SSV6 24 797 #define CP0SRSMap_SSV5 20 798 #define CP0SRSMap_SSV4 16 799 #define CP0SRSMap_SSV3 12 800 #define CP0SRSMap_SSV2 8 801 #define CP0SRSMap_SSV1 4 802 #define CP0SRSMap_SSV0 0 803 /* 804 * CP0 Register 13 805 */ 806 int32_t CP0_Cause; 807 #define CP0Ca_BD 31 808 #define CP0Ca_TI 30 809 #define CP0Ca_CE 28 810 #define CP0Ca_DC 27 811 #define CP0Ca_PCI 26 812 #define CP0Ca_IV 23 813 #define CP0Ca_WP 22 814 #define CP0Ca_IP 8 815 #define CP0Ca_IP_mask 0x0000FF00 816 #define CP0Ca_EC 2 817 /* 818 * CP0 Register 14 819 */ 820 target_ulong CP0_EPC; 821 /* 822 * CP0 Register 15 823 */ 824 int32_t CP0_PRid; 825 target_ulong CP0_EBase; 826 target_ulong CP0_EBaseWG_rw_bitmask; 827 #define CP0EBase_WG 11 828 target_ulong CP0_CMGCRBase; 829 /* 830 * CP0 Register 16 831 */ 832 int32_t CP0_Config0; 833 #define CP0C0_M 31 834 #define CP0C0_K23 28 /* 30..28 */ 835 #define CP0C0_KU 25 /* 27..25 */ 836 #define CP0C0_MDU 20 837 #define CP0C0_MM 18 838 #define CP0C0_BM 16 839 #define CP0C0_Impl 16 /* 24..16 */ 840 #define CP0C0_BE 15 841 #define CP0C0_AT 13 /* 14..13 */ 842 #define CP0C0_AR 10 /* 12..10 */ 843 #define CP0C0_MT 7 /* 9..7 */ 844 #define CP0C0_VI 3 845 #define CP0C0_K0 0 /* 2..0 */ 846 int32_t CP0_Config1; 847 #define CP0C1_M 31 848 #define CP0C1_MMU 25 /* 30..25 */ 849 #define CP0C1_IS 22 /* 24..22 */ 850 #define CP0C1_IL 19 /* 21..19 */ 851 #define CP0C1_IA 16 /* 18..16 */ 852 #define CP0C1_DS 13 /* 15..13 */ 853 #define CP0C1_DL 10 /* 12..10 */ 854 #define CP0C1_DA 7 /* 9..7 */ 855 #define CP0C1_C2 6 856 #define CP0C1_MD 5 857 #define CP0C1_PC 4 858 #define CP0C1_WR 3 859 #define CP0C1_CA 2 860 #define CP0C1_EP 1 861 #define CP0C1_FP 0 862 int32_t CP0_Config2; 863 #define CP0C2_M 31 864 #define CP0C2_TU 28 /* 30..28 */ 865 #define CP0C2_TS 24 /* 27..24 */ 866 #define CP0C2_TL 20 /* 23..20 */ 867 #define CP0C2_TA 16 /* 19..16 */ 868 #define CP0C2_SU 12 /* 15..12 */ 869 #define CP0C2_SS 8 /* 11..8 */ 870 #define CP0C2_SL 4 /* 7..4 */ 871 #define CP0C2_SA 0 /* 3..0 */ 872 int32_t CP0_Config3; 873 #define CP0C3_M 31 874 #define CP0C3_BPG 30 875 #define CP0C3_CMGCR 29 876 #define CP0C3_MSAP 28 877 #define CP0C3_BP 27 878 #define CP0C3_BI 26 879 #define CP0C3_SC 25 880 #define CP0C3_PW 24 881 #define CP0C3_VZ 23 882 #define CP0C3_IPLV 21 /* 22..21 */ 883 #define CP0C3_MMAR 18 /* 20..18 */ 884 #define CP0C3_MCU 17 885 #define CP0C3_ISA_ON_EXC 16 886 #define CP0C3_ISA 14 /* 15..14 */ 887 #define CP0C3_ULRI 13 888 #define CP0C3_RXI 12 889 #define CP0C3_DSP2P 11 890 #define CP0C3_DSPP 10 891 #define CP0C3_CTXTC 9 892 #define CP0C3_ITL 8 893 #define CP0C3_LPA 7 894 #define CP0C3_VEIC 6 895 #define CP0C3_VInt 5 896 #define CP0C3_SP 4 897 #define CP0C3_CDMM 3 898 #define CP0C3_MT 2 899 #define CP0C3_SM 1 900 #define CP0C3_TL 0 901 int32_t CP0_Config4; 902 int32_t CP0_Config4_rw_bitmask; 903 #define CP0C4_M 31 904 #define CP0C4_IE 29 /* 30..29 */ 905 #define CP0C4_AE 28 906 #define CP0C4_VTLBSizeExt 24 /* 27..24 */ 907 #define CP0C4_KScrExist 16 908 #define CP0C4_MMUExtDef 14 909 #define CP0C4_FTLBPageSize 8 /* 12..8 */ 910 /* bit layout if MMUExtDef=1 */ 911 #define CP0C4_MMUSizeExt 0 /* 7..0 */ 912 /* bit layout if MMUExtDef=2 */ 913 #define CP0C4_FTLBWays 4 /* 7..4 */ 914 #define CP0C4_FTLBSets 0 /* 3..0 */ 915 int32_t CP0_Config5; 916 int32_t CP0_Config5_rw_bitmask; 917 #define CP0C5_M 31 918 #define CP0C5_K 30 919 #define CP0C5_CV 29 920 #define CP0C5_EVA 28 921 #define CP0C5_MSAEn 27 922 #define CP0C5_PMJ 23 /* 25..23 */ 923 #define CP0C5_WR2 22 924 #define CP0C5_NMS 21 925 #define CP0C5_ULS 20 926 #define CP0C5_XPA 19 927 #define CP0C5_CRCP 18 928 #define CP0C5_MI 17 929 #define CP0C5_GI 15 /* 16..15 */ 930 #define CP0C5_CA2 14 931 #define CP0C5_XNP 13 932 #define CP0C5_DEC 11 933 #define CP0C5_L2C 10 934 #define CP0C5_UFE 9 935 #define CP0C5_FRE 8 936 #define CP0C5_VP 7 937 #define CP0C5_SBRI 6 938 #define CP0C5_MVH 5 939 #define CP0C5_LLB 4 940 #define CP0C5_MRP 3 941 #define CP0C5_UFR 2 942 #define CP0C5_NFExists 0 943 int32_t CP0_Config6; 944 int32_t CP0_Config6_rw_bitmask; 945 #define CP0C6_BPPASS 31 946 #define CP0C6_KPOS 24 947 #define CP0C6_KE 23 948 #define CP0C6_VTLBONLY 22 949 #define CP0C6_LASX 21 950 #define CP0C6_SSEN 20 951 #define CP0C6_DISDRTIME 19 952 #define CP0C6_PIXNUEN 18 953 #define CP0C6_SCRAND 17 954 #define CP0C6_LLEXCEN 16 955 #define CP0C6_DISVC 15 956 #define CP0C6_VCLRU 14 957 #define CP0C6_DCLRU 13 958 #define CP0C6_PIXUEN 12 959 #define CP0C6_DISBLKLYEN 11 960 #define CP0C6_UMEMUALEN 10 961 #define CP0C6_SFBEN 8 962 #define CP0C6_FLTINT 7 963 #define CP0C6_VLTINT 6 964 #define CP0C6_DISBTB 5 965 #define CP0C6_STPREFCTL 2 966 #define CP0C6_INSTPREF 1 967 #define CP0C6_DATAPREF 0 968 int32_t CP0_Config7; 969 int64_t CP0_Config7_rw_bitmask; 970 #define CP0C7_NAPCGEN 2 971 #define CP0C7_UNIMUEN 1 972 #define CP0C7_VFPUCGEN 0 973 uint64_t CP0_LLAddr; 974 uint64_t CP0_MAAR[MIPS_MAAR_MAX]; 975 int32_t CP0_MAARI; 976 /* XXX: Maybe make LLAddr per-TC? */ 977 /* 978 * CP0 Register 17 979 */ 980 target_ulong lladdr; /* LL virtual address compared against SC */ 981 target_ulong llval; 982 uint64_t llval_wp; 983 uint32_t llnewval_wp; 984 uint64_t CP0_LLAddr_rw_bitmask; 985 int CP0_LLAddr_shift; 986 /* 987 * CP0 Register 18 988 */ 989 target_ulong CP0_WatchLo[8]; 990 /* 991 * CP0 Register 19 992 */ 993 uint64_t CP0_WatchHi[8]; 994 #define CP0WH_ASID 16 995 /* 996 * CP0 Register 20 997 */ 998 target_ulong CP0_XContext; 999 int32_t CP0_Framemask; 1000 /* 1001 * CP0 Register 23 1002 */ 1003 int32_t CP0_Debug; 1004 #define CP0DB_DBD 31 1005 #define CP0DB_DM 30 1006 #define CP0DB_LSNM 28 1007 #define CP0DB_Doze 27 1008 #define CP0DB_Halt 26 1009 #define CP0DB_CNT 25 1010 #define CP0DB_IBEP 24 1011 #define CP0DB_DBEP 21 1012 #define CP0DB_IEXI 20 1013 #define CP0DB_VER 15 1014 #define CP0DB_DEC 10 1015 #define CP0DB_SSt 8 1016 #define CP0DB_DINT 5 1017 #define CP0DB_DIB 4 1018 #define CP0DB_DDBS 3 1019 #define CP0DB_DDBL 2 1020 #define CP0DB_DBp 1 1021 #define CP0DB_DSS 0 1022 /* 1023 * CP0 Register 24 1024 */ 1025 target_ulong CP0_DEPC; 1026 /* 1027 * CP0 Register 25 1028 */ 1029 int32_t CP0_Performance0; 1030 /* 1031 * CP0 Register 26 1032 */ 1033 int32_t CP0_ErrCtl; 1034 #define CP0EC_WST 29 1035 #define CP0EC_SPR 28 1036 #define CP0EC_ITC 26 1037 /* 1038 * CP0 Register 28 1039 */ 1040 uint64_t CP0_TagLo; 1041 int32_t CP0_DataLo; 1042 /* 1043 * CP0 Register 29 1044 */ 1045 int32_t CP0_TagHi; 1046 int32_t CP0_DataHi; 1047 /* 1048 * CP0 Register 30 1049 */ 1050 target_ulong CP0_ErrorEPC; 1051 /* 1052 * CP0 Register 31 1053 */ 1054 int32_t CP0_DESAVE; 1055 target_ulong CP0_KScratch[MIPS_KSCRATCH_NUM]; 1056 1057 /* We waste some space so we can handle shadow registers like TCs. */ 1058 TCState tcs[MIPS_SHADOW_SET_MAX]; 1059 CPUMIPSFPUContext fpus[MIPS_FPU_MAX]; 1060 /* QEMU */ 1061 int error_code; 1062 #define EXCP_TLB_NOMATCH 0x1 1063 #define EXCP_INST_NOTAVAIL 0x2 /* No valid instruction word for BadInstr */ 1064 uint32_t hflags; /* CPU State */ 1065 /* TMASK defines different execution modes */ 1066 #define MIPS_HFLAG_TMASK 0x1F5807FF 1067 #define MIPS_HFLAG_MODE 0x00007 /* execution modes */ 1068 /* 1069 * The KSU flags must be the lowest bits in hflags. The flag order 1070 * must be the same as defined for CP0 Status. This allows to use 1071 * the bits as the value of mmu_idx. 1072 */ 1073 #define MIPS_HFLAG_KSU 0x00003 /* kernel/supervisor/user mode mask */ 1074 #define MIPS_HFLAG_UM 0x00002 /* user mode flag */ 1075 #define MIPS_HFLAG_SM 0x00001 /* supervisor mode flag */ 1076 #define MIPS_HFLAG_KM 0x00000 /* kernel mode flag */ 1077 #define MIPS_HFLAG_DM 0x00004 /* Debug mode */ 1078 #define MIPS_HFLAG_64 0x00008 /* 64-bit instructions enabled */ 1079 #define MIPS_HFLAG_CP0 0x00010 /* CP0 enabled */ 1080 #define MIPS_HFLAG_FPU 0x00020 /* FPU enabled */ 1081 #define MIPS_HFLAG_F64 0x00040 /* 64-bit FPU enabled */ 1082 /* 1083 * True if the MIPS IV COP1X instructions can be used. This also 1084 * controls the non-COP1X instructions RECIP.S, RECIP.D, RSQRT.S 1085 * and RSQRT.D. 1086 */ 1087 #define MIPS_HFLAG_COP1X 0x00080 /* COP1X instructions enabled */ 1088 #define MIPS_HFLAG_RE 0x00100 /* Reversed endianness */ 1089 #define MIPS_HFLAG_AWRAP 0x00200 /* 32-bit compatibility address wrapping */ 1090 #define MIPS_HFLAG_M16 0x00400 /* MIPS16 mode flag */ 1091 #define MIPS_HFLAG_M16_SHIFT 10 1092 /* 1093 * If translation is interrupted between the branch instruction and 1094 * the delay slot, record what type of branch it is so that we can 1095 * resume translation properly. It might be possible to reduce 1096 * this from three bits to two. 1097 */ 1098 #define MIPS_HFLAG_BMASK_BASE 0x803800 1099 #define MIPS_HFLAG_B 0x00800 /* Unconditional branch */ 1100 #define MIPS_HFLAG_BC 0x01000 /* Conditional branch */ 1101 #define MIPS_HFLAG_BL 0x01800 /* Likely branch */ 1102 #define MIPS_HFLAG_BR 0x02000 /* branch to register (can't link TB) */ 1103 /* Extra flags about the current pending branch. */ 1104 #define MIPS_HFLAG_BMASK_EXT 0x7C000 1105 #define MIPS_HFLAG_B16 0x04000 /* branch instruction was 16 bits */ 1106 #define MIPS_HFLAG_BDS16 0x08000 /* branch requires 16-bit delay slot */ 1107 #define MIPS_HFLAG_BDS32 0x10000 /* branch requires 32-bit delay slot */ 1108 #define MIPS_HFLAG_BDS_STRICT 0x20000 /* Strict delay slot size */ 1109 #define MIPS_HFLAG_BX 0x40000 /* branch exchanges execution mode */ 1110 #define MIPS_HFLAG_BMASK (MIPS_HFLAG_BMASK_BASE | MIPS_HFLAG_BMASK_EXT) 1111 /* MIPS DSP resources access. */ 1112 #define MIPS_HFLAG_DSP 0x080000 /* Enable access to DSP resources. */ 1113 #define MIPS_HFLAG_DSP_R2 0x100000 /* Enable access to DSP R2 resources. */ 1114 #define MIPS_HFLAG_DSP_R3 0x20000000 /* Enable access to DSP R3 resources. */ 1115 /* Extra flag about HWREna register. */ 1116 #define MIPS_HFLAG_HWRENA_ULR 0x200000 /* ULR bit from HWREna is set. */ 1117 #define MIPS_HFLAG_SBRI 0x400000 /* R6 SDBBP causes RI excpt. in user mode */ 1118 #define MIPS_HFLAG_FBNSLOT 0x800000 /* Forbidden slot */ 1119 #define MIPS_HFLAG_MSA 0x1000000 1120 #define MIPS_HFLAG_FRE 0x2000000 /* FRE enabled */ 1121 #define MIPS_HFLAG_ELPA 0x4000000 1122 #define MIPS_HFLAG_ITC_CACHE 0x8000000 /* CACHE instr. operates on ITC tag */ 1123 #define MIPS_HFLAG_ERL 0x10000000 /* error level flag */ 1124 target_ulong btarget; /* Jump / branch target */ 1125 target_ulong bcond; /* Branch condition (if needed) */ 1126 1127 int SYNCI_Step; /* Address step size for SYNCI */ 1128 int CCRes; /* Cycle count resolution/divisor */ 1129 uint32_t CP0_Status_rw_bitmask; /* Read/write bits in CP0_Status */ 1130 uint32_t CP0_TCStatus_rw_bitmask; /* Read/write bits in CP0_TCStatus */ 1131 uint64_t insn_flags; /* Supported instruction set */ 1132 int saarp; 1133 1134 /* Fields up to this point are cleared by a CPU reset */ 1135 struct {} end_reset_fields; 1136 1137 /* Fields from here on are preserved across CPU reset. */ 1138 CPUMIPSMVPContext *mvp; 1139 #if !defined(CONFIG_USER_ONLY) 1140 CPUMIPSTLBContext *tlb; 1141 #endif 1142 1143 const mips_def_t *cpu_model; 1144 void *irq[8]; 1145 QEMUTimer *timer; /* Internal timer */ 1146 struct MIPSITUState *itu; 1147 MemoryRegion *itc_tag; /* ITC Configuration Tags */ 1148 target_ulong exception_base; /* ExceptionBase input to the core */ 1149 uint64_t cp0_count_ns; /* CP0_Count clock period (in nanoseconds) */ 1150 }; 1151 1152 /** 1153 * MIPSCPU: 1154 * @env: #CPUMIPSState 1155 * @clock: this CPU input clock (may be connected 1156 * to an output clock from another device). 1157 * @cp0_count_rate: rate at which the coprocessor 0 counter increments 1158 * 1159 * A MIPS CPU. 1160 */ 1161 struct MIPSCPU { 1162 /*< private >*/ 1163 CPUState parent_obj; 1164 /*< public >*/ 1165 1166 Clock *clock; 1167 CPUNegativeOffsetState neg; 1168 CPUMIPSState env; 1169 /* 1170 * The Count register acts as a timer, incrementing at a constant rate, 1171 * whether or not an instruction is executed, retired, or any forward 1172 * progress is made through the pipeline. The rate at which the counter 1173 * increments is implementation dependent, and is a function of the 1174 * pipeline clock of the processor, not the issue width of the processor. 1175 */ 1176 unsigned cp0_count_rate; 1177 }; 1178 1179 1180 void mips_cpu_list(void); 1181 1182 #define cpu_signal_handler cpu_mips_signal_handler 1183 #define cpu_list mips_cpu_list 1184 1185 extern void cpu_wrdsp(uint32_t rs, uint32_t mask_num, CPUMIPSState *env); 1186 extern uint32_t cpu_rddsp(uint32_t mask_num, CPUMIPSState *env); 1187 1188 /* 1189 * MMU modes definitions. We carefully match the indices with our 1190 * hflags layout. 1191 */ 1192 #define MMU_USER_IDX 2 1193 1194 static inline int hflags_mmu_index(uint32_t hflags) 1195 { 1196 if (hflags & MIPS_HFLAG_ERL) { 1197 return 3; /* ERL */ 1198 } else { 1199 return hflags & MIPS_HFLAG_KSU; 1200 } 1201 } 1202 1203 static inline int cpu_mmu_index(CPUMIPSState *env, bool ifetch) 1204 { 1205 return hflags_mmu_index(env->hflags); 1206 } 1207 1208 typedef CPUMIPSState CPUArchState; 1209 typedef MIPSCPU ArchCPU; 1210 1211 #include "exec/cpu-all.h" 1212 1213 /* 1214 * Memory access type : 1215 * may be needed for precise access rights control and precise exceptions. 1216 */ 1217 enum { 1218 /* 1 bit to define user level / supervisor access */ 1219 ACCESS_USER = 0x00, 1220 ACCESS_SUPER = 0x01, 1221 /* 1 bit to indicate direction */ 1222 ACCESS_STORE = 0x02, 1223 /* Type of instruction that generated the access */ 1224 ACCESS_CODE = 0x10, /* Code fetch access */ 1225 ACCESS_INT = 0x20, /* Integer load/store access */ 1226 ACCESS_FLOAT = 0x30, /* floating point load/store access */ 1227 }; 1228 1229 /* Exceptions */ 1230 enum { 1231 EXCP_NONE = -1, 1232 EXCP_RESET = 0, 1233 EXCP_SRESET, 1234 EXCP_DSS, 1235 EXCP_DINT, 1236 EXCP_DDBL, 1237 EXCP_DDBS, 1238 EXCP_NMI, 1239 EXCP_MCHECK, 1240 EXCP_EXT_INTERRUPT, /* 8 */ 1241 EXCP_DFWATCH, 1242 EXCP_DIB, 1243 EXCP_IWATCH, 1244 EXCP_AdEL, 1245 EXCP_AdES, 1246 EXCP_TLBF, 1247 EXCP_IBE, 1248 EXCP_DBp, /* 16 */ 1249 EXCP_SYSCALL, 1250 EXCP_BREAK, 1251 EXCP_CpU, 1252 EXCP_RI, 1253 EXCP_OVERFLOW, 1254 EXCP_TRAP, 1255 EXCP_FPE, 1256 EXCP_DWATCH, /* 24 */ 1257 EXCP_LTLBL, 1258 EXCP_TLBL, 1259 EXCP_TLBS, 1260 EXCP_DBE, 1261 EXCP_THREAD, 1262 EXCP_MDMX, 1263 EXCP_C2E, 1264 EXCP_CACHE, /* 32 */ 1265 EXCP_DSPDIS, 1266 EXCP_MSADIS, 1267 EXCP_MSAFPE, 1268 EXCP_TLBXI, 1269 EXCP_TLBRI, 1270 1271 EXCP_LAST = EXCP_TLBRI, 1272 }; 1273 1274 /* 1275 * This is an internally generated WAKE request line. 1276 * It is driven by the CPU itself. Raised when the MT 1277 * block wants to wake a VPE from an inactive state and 1278 * cleared when VPE goes from active to inactive. 1279 */ 1280 #define CPU_INTERRUPT_WAKE CPU_INTERRUPT_TGT_INT_0 1281 1282 int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc); 1283 1284 #define MIPS_CPU_TYPE_SUFFIX "-" TYPE_MIPS_CPU 1285 #define MIPS_CPU_TYPE_NAME(model) model MIPS_CPU_TYPE_SUFFIX 1286 #define CPU_RESOLVING_TYPE TYPE_MIPS_CPU 1287 1288 bool cpu_supports_cps_smp(const char *cpu_type); 1289 bool cpu_supports_isa(const char *cpu_type, uint64_t isa); 1290 void cpu_set_exception_base(int vp_index, target_ulong address); 1291 1292 /* mips_int.c */ 1293 void cpu_mips_soft_irq(CPUMIPSState *env, int irq, int level); 1294 1295 /* mips_itu.c */ 1296 void itc_reconfigure(struct MIPSITUState *tag); 1297 1298 /* helper.c */ 1299 target_ulong exception_resume_pc(CPUMIPSState *env); 1300 1301 static inline void cpu_get_tb_cpu_state(CPUMIPSState *env, target_ulong *pc, 1302 target_ulong *cs_base, uint32_t *flags) 1303 { 1304 *pc = env->active_tc.PC; 1305 *cs_base = 0; 1306 *flags = env->hflags & (MIPS_HFLAG_TMASK | MIPS_HFLAG_BMASK | 1307 MIPS_HFLAG_HWRENA_ULR); 1308 } 1309 1310 /** 1311 * mips_cpu_create_with_clock: 1312 * @typename: a MIPS CPU type. 1313 * @cpu_refclk: this cpu input clock (an output clock of another device) 1314 * 1315 * Instantiates a MIPS CPU, set the input clock of the CPU to @cpu_refclk, 1316 * then realizes the CPU. 1317 * 1318 * Returns: A #CPUState or %NULL if an error occurred. 1319 */ 1320 MIPSCPU *mips_cpu_create_with_clock(const char *cpu_type, Clock *cpu_refclk); 1321 1322 #endif /* MIPS_CPU_H */ 1323