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