1 #ifndef MIPS_CPU_H 2 #define MIPS_CPU_H 3 4 #include "cpu-qom.h" 5 #include "exec/cpu-defs.h" 6 #ifndef CONFIG_USER_ONLY 7 #include "exec/memory.h" 8 #endif 9 #include "fpu/softfloat-types.h" 10 #include "hw/clock.h" 11 #include "mips-defs.h" 12 13 typedef struct CPUMIPSTLBContext CPUMIPSTLBContext; 14 15 /* MSA Context */ 16 #define MSA_WRLEN (128) 17 18 typedef union wr_t wr_t; 19 union wr_t { 20 int8_t b[MSA_WRLEN / 8]; 21 int16_t h[MSA_WRLEN / 16]; 22 int32_t w[MSA_WRLEN / 32]; 23 int64_t d[MSA_WRLEN / 64]; 24 }; 25 26 typedef union fpr_t fpr_t; 27 union fpr_t { 28 float64 fd; /* ieee double precision */ 29 float32 fs[2];/* ieee single precision */ 30 uint64_t d; /* binary double fixed-point */ 31 uint32_t w[2]; /* binary single fixed-point */ 32 /* FPU/MSA register mapping is not tested on big-endian hosts. */ 33 wr_t wr; /* vector data */ 34 }; 35 /* 36 *define FP_ENDIAN_IDX to access the same location 37 * in the fpr_t union regardless of the host endianness 38 */ 39 #if HOST_BIG_ENDIAN 40 # define FP_ENDIAN_IDX 1 41 #else 42 # define FP_ENDIAN_IDX 0 43 #endif 44 45 typedef struct CPUMIPSFPUContext CPUMIPSFPUContext; 46 struct CPUMIPSFPUContext { 47 /* Floating point registers */ 48 fpr_t fpr[32]; 49 float_status fp_status; 50 /* fpu implementation/revision register (fir) */ 51 uint32_t fcr0; 52 #define FCR0_FREP 29 53 #define FCR0_UFRP 28 54 #define FCR0_HAS2008 23 55 #define FCR0_F64 22 56 #define FCR0_L 21 57 #define FCR0_W 20 58 #define FCR0_3D 19 59 #define FCR0_PS 18 60 #define FCR0_D 17 61 #define FCR0_S 16 62 #define FCR0_PRID 8 63 #define FCR0_REV 0 64 /* fcsr */ 65 uint32_t fcr31_rw_bitmask; 66 uint32_t fcr31; 67 #define FCR31_FS 24 68 #define FCR31_ABS2008 19 69 #define FCR31_NAN2008 18 70 #define SET_FP_COND(num, env) do { ((env).fcr31) |= \ 71 ((num) ? (1 << ((num) + 24)) : \ 72 (1 << 23)); \ 73 } while (0) 74 #define CLEAR_FP_COND(num, env) do { ((env).fcr31) &= \ 75 ~((num) ? (1 << ((num) + 24)) : \ 76 (1 << 23)); \ 77 } while (0) 78 #define GET_FP_COND(env) ((((env).fcr31 >> 24) & 0xfe) | \ 79 (((env).fcr31 >> 23) & 0x1)) 80 #define GET_FP_CAUSE(reg) (((reg) >> 12) & 0x3f) 81 #define GET_FP_ENABLE(reg) (((reg) >> 7) & 0x1f) 82 #define GET_FP_FLAGS(reg) (((reg) >> 2) & 0x1f) 83 #define SET_FP_CAUSE(reg, v) do { (reg) = ((reg) & ~(0x3f << 12)) | \ 84 ((v & 0x3f) << 12); \ 85 } while (0) 86 #define SET_FP_ENABLE(reg, v) do { (reg) = ((reg) & ~(0x1f << 7)) | \ 87 ((v & 0x1f) << 7); \ 88 } while (0) 89 #define SET_FP_FLAGS(reg, v) do { (reg) = ((reg) & ~(0x1f << 2)) | \ 90 ((v & 0x1f) << 2); \ 91 } while (0) 92 #define UPDATE_FP_FLAGS(reg, v) do { (reg) |= ((v & 0x1f) << 2); } while (0) 93 #define FP_INEXACT 1 94 #define FP_UNDERFLOW 2 95 #define FP_OVERFLOW 4 96 #define FP_DIV0 8 97 #define FP_INVALID 16 98 #define FP_UNIMPLEMENTED 32 99 }; 100 101 #define TARGET_INSN_START_EXTRA_WORDS 2 102 103 typedef struct CPUMIPSMVPContext CPUMIPSMVPContext; 104 struct CPUMIPSMVPContext { 105 int32_t CP0_MVPControl; 106 #define CP0MVPCo_CPA 3 107 #define CP0MVPCo_STLB 2 108 #define CP0MVPCo_VPC 1 109 #define CP0MVPCo_EVP 0 110 int32_t CP0_MVPConf0; 111 #define CP0MVPC0_M 31 112 #define CP0MVPC0_TLBS 29 113 #define CP0MVPC0_GS 28 114 #define CP0MVPC0_PCP 27 115 #define CP0MVPC0_PTLBE 16 116 #define CP0MVPC0_TCA 15 117 #define CP0MVPC0_PVPE 10 118 #define CP0MVPC0_PTC 0 119 int32_t CP0_MVPConf1; 120 #define CP0MVPC1_CIM 31 121 #define CP0MVPC1_CIF 30 122 #define CP0MVPC1_PCX 20 123 #define CP0MVPC1_PCP2 10 124 #define CP0MVPC1_PCP1 0 125 }; 126 127 typedef struct mips_def_t mips_def_t; 128 129 #define MIPS_SHADOW_SET_MAX 16 130 #define MIPS_TC_MAX 5 131 #define MIPS_FPU_MAX 1 132 #define MIPS_DSP_ACC 4 133 #define MIPS_KSCRATCH_NUM 6 134 #define MIPS_MAAR_MAX 16 /* Must be an even number. */ 135 136 137 /* 138 * Summary of CP0 registers 139 * ======================== 140 * 141 * 142 * Register 0 Register 1 Register 2 Register 3 143 * ---------- ---------- ---------- ---------- 144 * 145 * 0 Index Random EntryLo0 EntryLo1 146 * 1 MVPControl VPEControl TCStatus GlobalNumber 147 * 2 MVPConf0 VPEConf0 TCBind 148 * 3 MVPConf1 VPEConf1 TCRestart 149 * 4 VPControl YQMask TCHalt 150 * 5 VPESchedule TCContext 151 * 6 VPEScheFBack TCSchedule 152 * 7 VPEOpt TCScheFBack TCOpt 153 * 154 * 155 * Register 4 Register 5 Register 6 Register 7 156 * ---------- ---------- ---------- ---------- 157 * 158 * 0 Context PageMask Wired HWREna 159 * 1 ContextConfig PageGrain SRSConf0 160 * 2 UserLocal SegCtl0 SRSConf1 161 * 3 XContextConfig SegCtl1 SRSConf2 162 * 4 DebugContextID SegCtl2 SRSConf3 163 * 5 MemoryMapID PWBase SRSConf4 164 * 6 PWField PWCtl 165 * 7 PWSize 166 * 167 * 168 * Register 8 Register 9 Register 10 Register 11 169 * ---------- ---------- ----------- ----------- 170 * 171 * 0 BadVAddr Count EntryHi Compare 172 * 1 BadInstr 173 * 2 BadInstrP 174 * 3 BadInstrX 175 * 4 GuestCtl1 GuestCtl0Ext 176 * 5 GuestCtl2 177 * 6 SAARI GuestCtl3 178 * 7 SAAR 179 * 180 * 181 * Register 12 Register 13 Register 14 Register 15 182 * ----------- ----------- ----------- ----------- 183 * 184 * 0 Status Cause EPC PRId 185 * 1 IntCtl EBase 186 * 2 SRSCtl NestedEPC CDMMBase 187 * 3 SRSMap CMGCRBase 188 * 4 View_IPL View_RIPL BEVVA 189 * 5 SRSMap2 NestedExc 190 * 6 GuestCtl0 191 * 7 GTOffset 192 * 193 * 194 * Register 16 Register 17 Register 18 Register 19 195 * ----------- ----------- ----------- ----------- 196 * 197 * 0 Config LLAddr WatchLo0 WatchHi 198 * 1 Config1 MAAR WatchLo1 WatchHi 199 * 2 Config2 MAARI WatchLo2 WatchHi 200 * 3 Config3 WatchLo3 WatchHi 201 * 4 Config4 WatchLo4 WatchHi 202 * 5 Config5 WatchLo5 WatchHi 203 * 6 Config6 WatchLo6 WatchHi 204 * 7 Config7 WatchLo7 WatchHi 205 * 206 * 207 * Register 20 Register 21 Register 22 Register 23 208 * ----------- ----------- ----------- ----------- 209 * 210 * 0 XContext Debug 211 * 1 TraceControl 212 * 2 TraceControl2 213 * 3 UserTraceData1 214 * 4 TraceIBPC 215 * 5 TraceDBPC 216 * 6 Debug2 217 * 7 218 * 219 * 220 * Register 24 Register 25 Register 26 Register 27 221 * ----------- ----------- ----------- ----------- 222 * 223 * 0 DEPC PerfCnt ErrCtl CacheErr 224 * 1 PerfCnt 225 * 2 TraceControl3 PerfCnt 226 * 3 UserTraceData2 PerfCnt 227 * 4 PerfCnt 228 * 5 PerfCnt 229 * 6 PerfCnt 230 * 7 PerfCnt 231 * 232 * 233 * Register 28 Register 29 Register 30 Register 31 234 * ----------- ----------- ----------- ----------- 235 * 236 * 0 DataLo DataHi ErrorEPC DESAVE 237 * 1 TagLo TagHi 238 * 2 DataLo1 DataHi1 KScratch<n> 239 * 3 TagLo1 TagHi1 KScratch<n> 240 * 4 DataLo2 DataHi2 KScratch<n> 241 * 5 TagLo2 TagHi2 KScratch<n> 242 * 6 DataLo3 DataHi3 KScratch<n> 243 * 7 TagLo3 TagHi3 KScratch<n> 244 * 245 */ 246 #define CP0_REGISTER_00 0 247 #define CP0_REGISTER_01 1 248 #define CP0_REGISTER_02 2 249 #define CP0_REGISTER_03 3 250 #define CP0_REGISTER_04 4 251 #define CP0_REGISTER_05 5 252 #define CP0_REGISTER_06 6 253 #define CP0_REGISTER_07 7 254 #define CP0_REGISTER_08 8 255 #define CP0_REGISTER_09 9 256 #define CP0_REGISTER_10 10 257 #define CP0_REGISTER_11 11 258 #define CP0_REGISTER_12 12 259 #define CP0_REGISTER_13 13 260 #define CP0_REGISTER_14 14 261 #define CP0_REGISTER_15 15 262 #define CP0_REGISTER_16 16 263 #define CP0_REGISTER_17 17 264 #define CP0_REGISTER_18 18 265 #define CP0_REGISTER_19 19 266 #define CP0_REGISTER_20 20 267 #define CP0_REGISTER_21 21 268 #define CP0_REGISTER_22 22 269 #define CP0_REGISTER_23 23 270 #define CP0_REGISTER_24 24 271 #define CP0_REGISTER_25 25 272 #define CP0_REGISTER_26 26 273 #define CP0_REGISTER_27 27 274 #define CP0_REGISTER_28 28 275 #define CP0_REGISTER_29 29 276 #define CP0_REGISTER_30 30 277 #define CP0_REGISTER_31 31 278 279 280 /* CP0 Register 00 */ 281 #define CP0_REG00__INDEX 0 282 #define CP0_REG00__MVPCONTROL 1 283 #define CP0_REG00__MVPCONF0 2 284 #define CP0_REG00__MVPCONF1 3 285 #define CP0_REG00__VPCONTROL 4 286 /* CP0 Register 01 */ 287 #define CP0_REG01__RANDOM 0 288 #define CP0_REG01__VPECONTROL 1 289 #define CP0_REG01__VPECONF0 2 290 #define CP0_REG01__VPECONF1 3 291 #define CP0_REG01__YQMASK 4 292 #define CP0_REG01__VPESCHEDULE 5 293 #define CP0_REG01__VPESCHEFBACK 6 294 #define CP0_REG01__VPEOPT 7 295 /* CP0 Register 02 */ 296 #define CP0_REG02__ENTRYLO0 0 297 #define CP0_REG02__TCSTATUS 1 298 #define CP0_REG02__TCBIND 2 299 #define CP0_REG02__TCRESTART 3 300 #define CP0_REG02__TCHALT 4 301 #define CP0_REG02__TCCONTEXT 5 302 #define CP0_REG02__TCSCHEDULE 6 303 #define CP0_REG02__TCSCHEFBACK 7 304 /* CP0 Register 03 */ 305 #define CP0_REG03__ENTRYLO1 0 306 #define CP0_REG03__GLOBALNUM 1 307 #define CP0_REG03__TCOPT 7 308 /* CP0 Register 04 */ 309 #define CP0_REG04__CONTEXT 0 310 #define CP0_REG04__CONTEXTCONFIG 1 311 #define CP0_REG04__USERLOCAL 2 312 #define CP0_REG04__XCONTEXTCONFIG 3 313 #define CP0_REG04__DBGCONTEXTID 4 314 #define CP0_REG04__MMID 5 315 /* CP0 Register 05 */ 316 #define CP0_REG05__PAGEMASK 0 317 #define CP0_REG05__PAGEGRAIN 1 318 #define CP0_REG05__SEGCTL0 2 319 #define CP0_REG05__SEGCTL1 3 320 #define CP0_REG05__SEGCTL2 4 321 #define CP0_REG05__PWBASE 5 322 #define CP0_REG05__PWFIELD 6 323 #define CP0_REG05__PWSIZE 7 324 /* CP0 Register 06 */ 325 #define CP0_REG06__WIRED 0 326 #define CP0_REG06__SRSCONF0 1 327 #define CP0_REG06__SRSCONF1 2 328 #define CP0_REG06__SRSCONF2 3 329 #define CP0_REG06__SRSCONF3 4 330 #define CP0_REG06__SRSCONF4 5 331 #define CP0_REG06__PWCTL 6 332 /* CP0 Register 07 */ 333 #define CP0_REG07__HWRENA 0 334 /* CP0 Register 08 */ 335 #define CP0_REG08__BADVADDR 0 336 #define CP0_REG08__BADINSTR 1 337 #define CP0_REG08__BADINSTRP 2 338 #define CP0_REG08__BADINSTRX 3 339 /* CP0 Register 09 */ 340 #define CP0_REG09__COUNT 0 341 #define CP0_REG09__SAARI 6 342 #define CP0_REG09__SAAR 7 343 /* CP0 Register 10 */ 344 #define CP0_REG10__ENTRYHI 0 345 #define CP0_REG10__GUESTCTL1 4 346 #define CP0_REG10__GUESTCTL2 5 347 #define CP0_REG10__GUESTCTL3 6 348 /* CP0 Register 11 */ 349 #define CP0_REG11__COMPARE 0 350 #define CP0_REG11__GUESTCTL0EXT 4 351 /* CP0 Register 12 */ 352 #define CP0_REG12__STATUS 0 353 #define CP0_REG12__INTCTL 1 354 #define CP0_REG12__SRSCTL 2 355 #define CP0_REG12__SRSMAP 3 356 #define CP0_REG12__VIEW_IPL 4 357 #define CP0_REG12__SRSMAP2 5 358 #define CP0_REG12__GUESTCTL0 6 359 #define CP0_REG12__GTOFFSET 7 360 /* CP0 Register 13 */ 361 #define CP0_REG13__CAUSE 0 362 #define CP0_REG13__VIEW_RIPL 4 363 #define CP0_REG13__NESTEDEXC 5 364 /* CP0 Register 14 */ 365 #define CP0_REG14__EPC 0 366 #define CP0_REG14__NESTEDEPC 2 367 /* CP0 Register 15 */ 368 #define CP0_REG15__PRID 0 369 #define CP0_REG15__EBASE 1 370 #define CP0_REG15__CDMMBASE 2 371 #define CP0_REG15__CMGCRBASE 3 372 #define CP0_REG15__BEVVA 4 373 /* CP0 Register 16 */ 374 #define CP0_REG16__CONFIG 0 375 #define CP0_REG16__CONFIG1 1 376 #define CP0_REG16__CONFIG2 2 377 #define CP0_REG16__CONFIG3 3 378 #define CP0_REG16__CONFIG4 4 379 #define CP0_REG16__CONFIG5 5 380 #define CP0_REG16__CONFIG6 6 381 #define CP0_REG16__CONFIG7 7 382 /* CP0 Register 17 */ 383 #define CP0_REG17__LLADDR 0 384 #define CP0_REG17__MAAR 1 385 #define CP0_REG17__MAARI 2 386 /* CP0 Register 18 */ 387 #define CP0_REG18__WATCHLO0 0 388 #define CP0_REG18__WATCHLO1 1 389 #define CP0_REG18__WATCHLO2 2 390 #define CP0_REG18__WATCHLO3 3 391 #define CP0_REG18__WATCHLO4 4 392 #define CP0_REG18__WATCHLO5 5 393 #define CP0_REG18__WATCHLO6 6 394 #define CP0_REG18__WATCHLO7 7 395 /* CP0 Register 19 */ 396 #define CP0_REG19__WATCHHI0 0 397 #define CP0_REG19__WATCHHI1 1 398 #define CP0_REG19__WATCHHI2 2 399 #define CP0_REG19__WATCHHI3 3 400 #define CP0_REG19__WATCHHI4 4 401 #define CP0_REG19__WATCHHI5 5 402 #define CP0_REG19__WATCHHI6 6 403 #define CP0_REG19__WATCHHI7 7 404 /* CP0 Register 20 */ 405 #define CP0_REG20__XCONTEXT 0 406 /* CP0 Register 21 */ 407 /* CP0 Register 22 */ 408 /* CP0 Register 23 */ 409 #define CP0_REG23__DEBUG 0 410 #define CP0_REG23__TRACECONTROL 1 411 #define CP0_REG23__TRACECONTROL2 2 412 #define CP0_REG23__USERTRACEDATA1 3 413 #define CP0_REG23__TRACEIBPC 4 414 #define CP0_REG23__TRACEDBPC 5 415 #define CP0_REG23__DEBUG2 6 416 /* CP0 Register 24 */ 417 #define CP0_REG24__DEPC 0 418 /* CP0 Register 25 */ 419 #define CP0_REG25__PERFCTL0 0 420 #define CP0_REG25__PERFCNT0 1 421 #define CP0_REG25__PERFCTL1 2 422 #define CP0_REG25__PERFCNT1 3 423 #define CP0_REG25__PERFCTL2 4 424 #define CP0_REG25__PERFCNT2 5 425 #define CP0_REG25__PERFCTL3 6 426 #define CP0_REG25__PERFCNT3 7 427 /* CP0 Register 26 */ 428 #define CP0_REG26__ERRCTL 0 429 /* CP0 Register 27 */ 430 #define CP0_REG27__CACHERR 0 431 /* CP0 Register 28 */ 432 #define CP0_REG28__TAGLO 0 433 #define CP0_REG28__DATALO 1 434 #define CP0_REG28__TAGLO1 2 435 #define CP0_REG28__DATALO1 3 436 #define CP0_REG28__TAGLO2 4 437 #define CP0_REG28__DATALO2 5 438 #define CP0_REG28__TAGLO3 6 439 #define CP0_REG28__DATALO3 7 440 /* CP0 Register 29 */ 441 #define CP0_REG29__TAGHI 0 442 #define CP0_REG29__DATAHI 1 443 #define CP0_REG29__TAGHI1 2 444 #define CP0_REG29__DATAHI1 3 445 #define CP0_REG29__TAGHI2 4 446 #define CP0_REG29__DATAHI2 5 447 #define CP0_REG29__TAGHI3 6 448 #define CP0_REG29__DATAHI3 7 449 /* CP0 Register 30 */ 450 #define CP0_REG30__ERROREPC 0 451 /* CP0 Register 31 */ 452 #define CP0_REG31__DESAVE 0 453 #define CP0_REG31__KSCRATCH1 2 454 #define CP0_REG31__KSCRATCH2 3 455 #define CP0_REG31__KSCRATCH3 4 456 #define CP0_REG31__KSCRATCH4 5 457 #define CP0_REG31__KSCRATCH5 6 458 #define CP0_REG31__KSCRATCH6 7 459 460 461 typedef struct TCState TCState; 462 struct TCState { 463 target_ulong gpr[32]; 464 #if defined(TARGET_MIPS64) 465 /* 466 * For CPUs using 128-bit GPR registers, we put the lower halves in gpr[]) 467 * and the upper halves in gpr_hi[]. 468 */ 469 uint64_t gpr_hi[32]; 470 #endif /* TARGET_MIPS64 */ 471 target_ulong PC; 472 target_ulong HI[MIPS_DSP_ACC]; 473 target_ulong LO[MIPS_DSP_ACC]; 474 target_ulong ACX[MIPS_DSP_ACC]; 475 target_ulong DSPControl; 476 int32_t CP0_TCStatus; 477 #define CP0TCSt_TCU3 31 478 #define CP0TCSt_TCU2 30 479 #define CP0TCSt_TCU1 29 480 #define CP0TCSt_TCU0 28 481 #define CP0TCSt_TMX 27 482 #define CP0TCSt_RNST 23 483 #define CP0TCSt_TDS 21 484 #define CP0TCSt_DT 20 485 #define CP0TCSt_DA 15 486 #define CP0TCSt_A 13 487 #define CP0TCSt_TKSU 11 488 #define CP0TCSt_IXMT 10 489 #define CP0TCSt_TASID 0 490 int32_t CP0_TCBind; 491 #define CP0TCBd_CurTC 21 492 #define CP0TCBd_TBE 17 493 #define CP0TCBd_CurVPE 0 494 target_ulong CP0_TCHalt; 495 target_ulong CP0_TCContext; 496 target_ulong CP0_TCSchedule; 497 target_ulong CP0_TCScheFBack; 498 int32_t CP0_Debug_tcstatus; 499 target_ulong CP0_UserLocal; 500 501 int32_t msacsr; 502 503 #define MSACSR_FS 24 504 #define MSACSR_FS_MASK (1 << MSACSR_FS) 505 #define MSACSR_NX 18 506 #define MSACSR_NX_MASK (1 << MSACSR_NX) 507 #define MSACSR_CEF 2 508 #define MSACSR_CEF_MASK (0xffff << MSACSR_CEF) 509 #define MSACSR_RM 0 510 #define MSACSR_RM_MASK (0x3 << MSACSR_RM) 511 #define MSACSR_MASK (MSACSR_RM_MASK | MSACSR_CEF_MASK | MSACSR_NX_MASK | \ 512 MSACSR_FS_MASK) 513 514 float_status msa_fp_status; 515 516 #define NUMBER_OF_MXU_REGISTERS 16 517 target_ulong mxu_gpr[NUMBER_OF_MXU_REGISTERS - 1]; 518 target_ulong mxu_cr; 519 #define MXU_CR_LC 31 520 #define MXU_CR_RC 30 521 #define MXU_CR_BIAS 2 522 #define MXU_CR_RD_EN 1 523 #define MXU_CR_MXU_EN 0 524 525 }; 526 527 struct MIPSITUState; 528 typedef struct CPUArchState { 529 TCState active_tc; 530 CPUMIPSFPUContext active_fpu; 531 532 uint32_t current_tc; 533 uint32_t current_fpu; 534 535 uint32_t SEGBITS; 536 uint32_t PABITS; 537 #if defined(TARGET_MIPS64) 538 # define PABITS_BASE 36 539 #else 540 # define PABITS_BASE 32 541 #endif 542 target_ulong SEGMask; 543 uint64_t PAMask; 544 #define PAMASK_BASE ((1ULL << PABITS_BASE) - 1) 545 546 int32_t msair; 547 #define MSAIR_ProcID 8 548 #define MSAIR_Rev 0 549 550 /* 551 * CP0 Register 0 552 */ 553 int32_t CP0_Index; 554 /* CP0_MVP* are per MVP registers. */ 555 int32_t CP0_VPControl; 556 #define CP0VPCtl_DIS 0 557 /* 558 * CP0 Register 1 559 */ 560 int32_t CP0_Random; 561 int32_t CP0_VPEControl; 562 #define CP0VPECo_YSI 21 563 #define CP0VPECo_GSI 20 564 #define CP0VPECo_EXCPT 16 565 #define CP0VPECo_TE 15 566 #define CP0VPECo_TargTC 0 567 int32_t CP0_VPEConf0; 568 #define CP0VPEC0_M 31 569 #define CP0VPEC0_XTC 21 570 #define CP0VPEC0_TCS 19 571 #define CP0VPEC0_SCS 18 572 #define CP0VPEC0_DSC 17 573 #define CP0VPEC0_ICS 16 574 #define CP0VPEC0_MVP 1 575 #define CP0VPEC0_VPA 0 576 int32_t CP0_VPEConf1; 577 #define CP0VPEC1_NCX 20 578 #define CP0VPEC1_NCP2 10 579 #define CP0VPEC1_NCP1 0 580 target_ulong CP0_YQMask; 581 target_ulong CP0_VPESchedule; 582 target_ulong CP0_VPEScheFBack; 583 int32_t CP0_VPEOpt; 584 #define CP0VPEOpt_IWX7 15 585 #define CP0VPEOpt_IWX6 14 586 #define CP0VPEOpt_IWX5 13 587 #define CP0VPEOpt_IWX4 12 588 #define CP0VPEOpt_IWX3 11 589 #define CP0VPEOpt_IWX2 10 590 #define CP0VPEOpt_IWX1 9 591 #define CP0VPEOpt_IWX0 8 592 #define CP0VPEOpt_DWX7 7 593 #define CP0VPEOpt_DWX6 6 594 #define CP0VPEOpt_DWX5 5 595 #define CP0VPEOpt_DWX4 4 596 #define CP0VPEOpt_DWX3 3 597 #define CP0VPEOpt_DWX2 2 598 #define CP0VPEOpt_DWX1 1 599 #define CP0VPEOpt_DWX0 0 600 /* 601 * CP0 Register 2 602 */ 603 uint64_t CP0_EntryLo0; 604 /* 605 * CP0 Register 3 606 */ 607 uint64_t CP0_EntryLo1; 608 #if defined(TARGET_MIPS64) 609 # define CP0EnLo_RI 63 610 # define CP0EnLo_XI 62 611 #else 612 # define CP0EnLo_RI 31 613 # define CP0EnLo_XI 30 614 #endif 615 int32_t CP0_GlobalNumber; 616 #define CP0GN_VPId 0 617 /* 618 * CP0 Register 4 619 */ 620 target_ulong CP0_Context; 621 int32_t CP0_MemoryMapID; 622 /* 623 * CP0 Register 5 624 */ 625 int32_t CP0_PageMask; 626 #define CP0PM_MASK 13 627 int32_t CP0_PageGrain_rw_bitmask; 628 int32_t CP0_PageGrain; 629 #define CP0PG_RIE 31 630 #define CP0PG_XIE 30 631 #define CP0PG_ELPA 29 632 #define CP0PG_IEC 27 633 target_ulong CP0_SegCtl0; 634 target_ulong CP0_SegCtl1; 635 target_ulong CP0_SegCtl2; 636 #define CP0SC_PA 9 637 #define CP0SC_PA_MASK (0x7FULL << CP0SC_PA) 638 #define CP0SC_PA_1GMASK (0x7EULL << CP0SC_PA) 639 #define CP0SC_AM 4 640 #define CP0SC_AM_MASK (0x7ULL << CP0SC_AM) 641 #define CP0SC_AM_UK 0ULL 642 #define CP0SC_AM_MK 1ULL 643 #define CP0SC_AM_MSK 2ULL 644 #define CP0SC_AM_MUSK 3ULL 645 #define CP0SC_AM_MUSUK 4ULL 646 #define CP0SC_AM_USK 5ULL 647 #define CP0SC_AM_UUSK 7ULL 648 #define CP0SC_EU 3 649 #define CP0SC_EU_MASK (1ULL << CP0SC_EU) 650 #define CP0SC_C 0 651 #define CP0SC_C_MASK (0x7ULL << CP0SC_C) 652 #define CP0SC_MASK (CP0SC_C_MASK | CP0SC_EU_MASK | CP0SC_AM_MASK | \ 653 CP0SC_PA_MASK) 654 #define CP0SC_1GMASK (CP0SC_C_MASK | CP0SC_EU_MASK | CP0SC_AM_MASK | \ 655 CP0SC_PA_1GMASK) 656 #define CP0SC0_MASK (CP0SC_MASK | (CP0SC_MASK << 16)) 657 #define CP0SC1_XAM 59 658 #define CP0SC1_XAM_MASK (0x7ULL << CP0SC1_XAM) 659 #define CP0SC1_MASK (CP0SC_MASK | (CP0SC_MASK << 16) | CP0SC1_XAM_MASK) 660 #define CP0SC2_XR 56 661 #define CP0SC2_XR_MASK (0xFFULL << CP0SC2_XR) 662 #define CP0SC2_MASK (CP0SC_1GMASK | (CP0SC_1GMASK << 16) | CP0SC2_XR_MASK) 663 target_ulong CP0_PWBase; 664 target_ulong CP0_PWField; 665 #if defined(TARGET_MIPS64) 666 #define CP0PF_BDI 32 /* 37..32 */ 667 #define CP0PF_GDI 24 /* 29..24 */ 668 #define CP0PF_UDI 18 /* 23..18 */ 669 #define CP0PF_MDI 12 /* 17..12 */ 670 #define CP0PF_PTI 6 /* 11..6 */ 671 #define CP0PF_PTEI 0 /* 5..0 */ 672 #else 673 #define CP0PF_GDW 24 /* 29..24 */ 674 #define CP0PF_UDW 18 /* 23..18 */ 675 #define CP0PF_MDW 12 /* 17..12 */ 676 #define CP0PF_PTW 6 /* 11..6 */ 677 #define CP0PF_PTEW 0 /* 5..0 */ 678 #endif 679 target_ulong CP0_PWSize; 680 #if defined(TARGET_MIPS64) 681 #define CP0PS_BDW 32 /* 37..32 */ 682 #endif 683 #define CP0PS_PS 30 684 #define CP0PS_GDW 24 /* 29..24 */ 685 #define CP0PS_UDW 18 /* 23..18 */ 686 #define CP0PS_MDW 12 /* 17..12 */ 687 #define CP0PS_PTW 6 /* 11..6 */ 688 #define CP0PS_PTEW 0 /* 5..0 */ 689 /* 690 * CP0 Register 6 691 */ 692 int32_t CP0_Wired; 693 int32_t CP0_PWCtl; 694 #define CP0PC_PWEN 31 695 #if defined(TARGET_MIPS64) 696 #define CP0PC_PWDIREXT 30 697 #define CP0PC_XK 28 698 #define CP0PC_XS 27 699 #define CP0PC_XU 26 700 #endif 701 #define CP0PC_DPH 7 702 #define CP0PC_HUGEPG 6 703 #define CP0PC_PSN 0 /* 5..0 */ 704 int32_t CP0_SRSConf0_rw_bitmask; 705 int32_t CP0_SRSConf0; 706 #define CP0SRSC0_M 31 707 #define CP0SRSC0_SRS3 20 708 #define CP0SRSC0_SRS2 10 709 #define CP0SRSC0_SRS1 0 710 int32_t CP0_SRSConf1_rw_bitmask; 711 int32_t CP0_SRSConf1; 712 #define CP0SRSC1_M 31 713 #define CP0SRSC1_SRS6 20 714 #define CP0SRSC1_SRS5 10 715 #define CP0SRSC1_SRS4 0 716 int32_t CP0_SRSConf2_rw_bitmask; 717 int32_t CP0_SRSConf2; 718 #define CP0SRSC2_M 31 719 #define CP0SRSC2_SRS9 20 720 #define CP0SRSC2_SRS8 10 721 #define CP0SRSC2_SRS7 0 722 int32_t CP0_SRSConf3_rw_bitmask; 723 int32_t CP0_SRSConf3; 724 #define CP0SRSC3_M 31 725 #define CP0SRSC3_SRS12 20 726 #define CP0SRSC3_SRS11 10 727 #define CP0SRSC3_SRS10 0 728 int32_t CP0_SRSConf4_rw_bitmask; 729 int32_t CP0_SRSConf4; 730 #define CP0SRSC4_SRS15 20 731 #define CP0SRSC4_SRS14 10 732 #define CP0SRSC4_SRS13 0 733 /* 734 * CP0 Register 7 735 */ 736 int32_t CP0_HWREna; 737 /* 738 * CP0 Register 8 739 */ 740 target_ulong CP0_BadVAddr; 741 uint32_t CP0_BadInstr; 742 uint32_t CP0_BadInstrP; 743 uint32_t CP0_BadInstrX; 744 /* 745 * CP0 Register 9 746 */ 747 int32_t CP0_Count; 748 #define CP0SAARI_TARGET 0 /* 5..0 */ 749 #define CP0SAAR_BASE 12 /* 43..12 */ 750 #define CP0SAAR_SIZE 1 /* 5..1 */ 751 #define CP0SAAR_EN 0 752 /* 753 * CP0 Register 10 754 */ 755 target_ulong CP0_EntryHi; 756 #define CP0EnHi_EHINV 10 757 target_ulong CP0_EntryHi_ASID_mask; 758 /* 759 * CP0 Register 11 760 */ 761 int32_t CP0_Compare; 762 /* 763 * CP0 Register 12 764 */ 765 int32_t CP0_Status; 766 #define CP0St_CU3 31 767 #define CP0St_CU2 30 768 #define CP0St_CU1 29 769 #define CP0St_CU0 28 770 #define CP0St_RP 27 771 #define CP0St_FR 26 772 #define CP0St_RE 25 773 #define CP0St_MX 24 774 #define CP0St_PX 23 775 #define CP0St_BEV 22 776 #define CP0St_TS 21 777 #define CP0St_SR 20 778 #define CP0St_NMI 19 779 #define CP0St_IM 8 780 #define CP0St_KX 7 781 #define CP0St_SX 6 782 #define CP0St_UX 5 783 #define CP0St_KSU 3 784 #define CP0St_ERL 2 785 #define CP0St_EXL 1 786 #define CP0St_IE 0 787 int32_t CP0_IntCtl; 788 #define CP0IntCtl_IPTI 29 789 #define CP0IntCtl_IPPCI 26 790 #define CP0IntCtl_VS 5 791 int32_t CP0_SRSCtl; 792 #define CP0SRSCtl_HSS 26 793 #define CP0SRSCtl_EICSS 18 794 #define CP0SRSCtl_ESS 12 795 #define CP0SRSCtl_PSS 6 796 #define CP0SRSCtl_CSS 0 797 int32_t CP0_SRSMap; 798 #define CP0SRSMap_SSV7 28 799 #define CP0SRSMap_SSV6 24 800 #define CP0SRSMap_SSV5 20 801 #define CP0SRSMap_SSV4 16 802 #define CP0SRSMap_SSV3 12 803 #define CP0SRSMap_SSV2 8 804 #define CP0SRSMap_SSV1 4 805 #define CP0SRSMap_SSV0 0 806 /* 807 * CP0 Register 13 808 */ 809 int32_t CP0_Cause; 810 #define CP0Ca_BD 31 811 #define CP0Ca_TI 30 812 #define CP0Ca_CE 28 813 #define CP0Ca_DC 27 814 #define CP0Ca_PCI 26 815 #define CP0Ca_IV 23 816 #define CP0Ca_WP 22 817 #define CP0Ca_IP 8 818 #define CP0Ca_IP_mask 0x0000FF00 819 #define CP0Ca_EC 2 820 /* 821 * CP0 Register 14 822 */ 823 target_ulong CP0_EPC; 824 /* 825 * CP0 Register 15 826 */ 827 int32_t CP0_PRid; 828 target_ulong CP0_EBase; 829 target_ulong CP0_EBaseWG_rw_bitmask; 830 #define CP0EBase_WG 11 831 target_ulong CP0_CMGCRBase; 832 /* 833 * CP0 Register 16 (after Release 1) 834 */ 835 int32_t CP0_Config0; 836 #define CP0C0_M 31 837 #define CP0C0_K23 28 /* 30..28 */ 838 #define CP0C0_KU 25 /* 27..25 */ 839 #define CP0C0_MDU 20 840 #define CP0C0_MM 18 841 #define CP0C0_BM 16 842 #define CP0C0_Impl 16 /* 24..16 */ 843 #define CP0C0_BE 15 844 #define CP0C0_AT 13 /* 14..13 */ 845 #define CP0C0_AR 10 /* 12..10 */ 846 #define CP0C0_MT 7 /* 9..7 */ 847 #define CP0C0_VI 3 848 #define CP0C0_K0 0 /* 2..0 */ 849 #define CP0C0_AR_LENGTH 3 850 /* 851 * CP0 Register 16 (before Release 1) 852 */ 853 #define CP0C0_Impl 16 /* 24..16 */ 854 #define CP0C0_IC 9 /* 11..9 */ 855 #define CP0C0_DC 6 /* 8..6 */ 856 #define CP0C0_IB 5 857 #define CP0C0_DB 4 858 int32_t CP0_Config1; 859 #define CP0C1_M 31 860 #define CP0C1_MMU 25 /* 30..25 */ 861 #define CP0C1_IS 22 /* 24..22 */ 862 #define CP0C1_IL 19 /* 21..19 */ 863 #define CP0C1_IA 16 /* 18..16 */ 864 #define CP0C1_DS 13 /* 15..13 */ 865 #define CP0C1_DL 10 /* 12..10 */ 866 #define CP0C1_DA 7 /* 9..7 */ 867 #define CP0C1_C2 6 868 #define CP0C1_MD 5 869 #define CP0C1_PC 4 870 #define CP0C1_WR 3 871 #define CP0C1_CA 2 872 #define CP0C1_EP 1 873 #define CP0C1_FP 0 874 int32_t CP0_Config2; 875 #define CP0C2_M 31 876 #define CP0C2_TU 28 /* 30..28 */ 877 #define CP0C2_TS 24 /* 27..24 */ 878 #define CP0C2_TL 20 /* 23..20 */ 879 #define CP0C2_TA 16 /* 19..16 */ 880 #define CP0C2_SU 12 /* 15..12 */ 881 #define CP0C2_SS 8 /* 11..8 */ 882 #define CP0C2_SL 4 /* 7..4 */ 883 #define CP0C2_SA 0 /* 3..0 */ 884 int32_t CP0_Config3; 885 #define CP0C3_M 31 886 #define CP0C3_BPG 30 887 #define CP0C3_CMGCR 29 888 #define CP0C3_MSAP 28 889 #define CP0C3_BP 27 890 #define CP0C3_BI 26 891 #define CP0C3_SC 25 892 #define CP0C3_PW 24 893 #define CP0C3_VZ 23 894 #define CP0C3_IPLV 21 /* 22..21 */ 895 #define CP0C3_MMAR 18 /* 20..18 */ 896 #define CP0C3_MCU 17 897 #define CP0C3_ISA_ON_EXC 16 898 #define CP0C3_ISA 14 /* 15..14 */ 899 #define CP0C3_ULRI 13 900 #define CP0C3_RXI 12 901 #define CP0C3_DSP2P 11 902 #define CP0C3_DSPP 10 903 #define CP0C3_CTXTC 9 904 #define CP0C3_ITL 8 905 #define CP0C3_LPA 7 906 #define CP0C3_VEIC 6 907 #define CP0C3_VInt 5 908 #define CP0C3_SP 4 909 #define CP0C3_CDMM 3 910 #define CP0C3_MT 2 911 #define CP0C3_SM 1 912 #define CP0C3_TL 0 913 int32_t CP0_Config4; 914 int32_t CP0_Config4_rw_bitmask; 915 #define CP0C4_M 31 916 #define CP0C4_IE 29 /* 30..29 */ 917 #define CP0C4_AE 28 918 #define CP0C4_VTLBSizeExt 24 /* 27..24 */ 919 #define CP0C4_KScrExist 16 920 #define CP0C4_MMUExtDef 14 921 #define CP0C4_FTLBPageSize 8 /* 12..8 */ 922 /* bit layout if MMUExtDef=1 */ 923 #define CP0C4_MMUSizeExt 0 /* 7..0 */ 924 /* bit layout if MMUExtDef=2 */ 925 #define CP0C4_FTLBWays 4 /* 7..4 */ 926 #define CP0C4_FTLBSets 0 /* 3..0 */ 927 int32_t CP0_Config5; 928 int32_t CP0_Config5_rw_bitmask; 929 #define CP0C5_M 31 930 #define CP0C5_K 30 931 #define CP0C5_CV 29 932 #define CP0C5_EVA 28 933 #define CP0C5_MSAEn 27 934 #define CP0C5_PMJ 23 /* 25..23 */ 935 #define CP0C5_WR2 22 936 #define CP0C5_NMS 21 937 #define CP0C5_ULS 20 938 #define CP0C5_XPA 19 939 #define CP0C5_CRCP 18 940 #define CP0C5_MI 17 941 #define CP0C5_GI 15 /* 16..15 */ 942 #define CP0C5_CA2 14 943 #define CP0C5_XNP 13 944 #define CP0C5_DEC 11 945 #define CP0C5_L2C 10 946 #define CP0C5_UFE 9 947 #define CP0C5_FRE 8 948 #define CP0C5_VP 7 949 #define CP0C5_SBRI 6 950 #define CP0C5_MVH 5 951 #define CP0C5_LLB 4 952 #define CP0C5_MRP 3 953 #define CP0C5_UFR 2 954 #define CP0C5_NFExists 0 955 int32_t CP0_Config6; 956 int32_t CP0_Config6_rw_bitmask; 957 #define CP0C6_BPPASS 31 958 #define CP0C6_KPOS 24 959 #define CP0C6_KE 23 960 #define CP0C6_VTLBONLY 22 961 #define CP0C6_LASX 21 962 #define CP0C6_SSEN 20 963 #define CP0C6_DISDRTIME 19 964 #define CP0C6_PIXNUEN 18 965 #define CP0C6_SCRAND 17 966 #define CP0C6_LLEXCEN 16 967 #define CP0C6_DISVC 15 968 #define CP0C6_VCLRU 14 969 #define CP0C6_DCLRU 13 970 #define CP0C6_PIXUEN 12 971 #define CP0C6_DISBLKLYEN 11 972 #define CP0C6_UMEMUALEN 10 973 #define CP0C6_SFBEN 8 974 #define CP0C6_FLTINT 7 975 #define CP0C6_VLTINT 6 976 #define CP0C6_DISBTB 5 977 #define CP0C6_STPREFCTL 2 978 #define CP0C6_INSTPREF 1 979 #define CP0C6_DATAPREF 0 980 int32_t CP0_Config7; 981 int64_t CP0_Config7_rw_bitmask; 982 #define CP0C7_WII 31 983 #define CP0C7_NAPCGEN 2 984 #define CP0C7_UNIMUEN 1 985 #define CP0C7_VFPUCGEN 0 986 uint64_t CP0_LLAddr; 987 uint64_t CP0_MAAR[MIPS_MAAR_MAX]; 988 int32_t CP0_MAARI; 989 /* XXX: Maybe make LLAddr per-TC? */ 990 /* 991 * CP0 Register 17 992 */ 993 target_ulong lladdr; /* LL virtual address compared against SC */ 994 target_ulong llval; 995 uint64_t llval_wp; 996 uint32_t llnewval_wp; 997 uint64_t CP0_LLAddr_rw_bitmask; 998 int CP0_LLAddr_shift; 999 /* 1000 * CP0 Register 18 1001 */ 1002 target_ulong CP0_WatchLo[8]; 1003 /* 1004 * CP0 Register 19 1005 */ 1006 uint64_t CP0_WatchHi[8]; 1007 #define CP0WH_ASID 16 1008 #define CP0WH_M 31 1009 /* 1010 * CP0 Register 20 1011 */ 1012 target_ulong CP0_XContext; 1013 int32_t CP0_Framemask; 1014 /* 1015 * CP0 Register 23 1016 */ 1017 int32_t CP0_Debug; 1018 #define CP0DB_DBD 31 1019 #define CP0DB_DM 30 1020 #define CP0DB_LSNM 28 1021 #define CP0DB_Doze 27 1022 #define CP0DB_Halt 26 1023 #define CP0DB_CNT 25 1024 #define CP0DB_IBEP 24 1025 #define CP0DB_DBEP 21 1026 #define CP0DB_IEXI 20 1027 #define CP0DB_VER 15 1028 #define CP0DB_DEC 10 1029 #define CP0DB_SSt 8 1030 #define CP0DB_DINT 5 1031 #define CP0DB_DIB 4 1032 #define CP0DB_DDBS 3 1033 #define CP0DB_DDBL 2 1034 #define CP0DB_DBp 1 1035 #define CP0DB_DSS 0 1036 /* 1037 * CP0 Register 24 1038 */ 1039 target_ulong CP0_DEPC; 1040 /* 1041 * CP0 Register 25 1042 */ 1043 int32_t CP0_Performance0; 1044 /* 1045 * CP0 Register 26 1046 */ 1047 int32_t CP0_ErrCtl; 1048 #define CP0EC_WST 29 1049 #define CP0EC_SPR 28 1050 #define CP0EC_ITC 26 1051 /* 1052 * CP0 Register 28 1053 */ 1054 uint64_t CP0_TagLo; 1055 int32_t CP0_DataLo; 1056 /* 1057 * CP0 Register 29 1058 */ 1059 int32_t CP0_TagHi; 1060 int32_t CP0_DataHi; 1061 /* 1062 * CP0 Register 30 1063 */ 1064 target_ulong CP0_ErrorEPC; 1065 /* 1066 * CP0 Register 31 1067 */ 1068 int32_t CP0_DESAVE; 1069 target_ulong CP0_KScratch[MIPS_KSCRATCH_NUM]; 1070 /* 1071 * Loongson CSR CPUCFG registers 1072 */ 1073 uint32_t lcsr_cpucfg1; 1074 #define CPUCFG1_FP 0 1075 #define CPUCFG1_FPREV 1 1076 #define CPUCFG1_MMI 4 1077 #define CPUCFG1_MSA1 5 1078 #define CPUCFG1_MSA2 6 1079 #define CPUCFG1_LSLDR0 16 1080 #define CPUCFG1_LSPERF 17 1081 #define CPUCFG1_LSPERFX 18 1082 #define CPUCFG1_LSSYNCI 19 1083 #define CPUCFG1_LLEXC 20 1084 #define CPUCFG1_SCRAND 21 1085 #define CPUCFG1_MUALP 25 1086 #define CPUCFG1_KMUALEN 26 1087 #define CPUCFG1_ITLBT 27 1088 #define CPUCFG1_SFBP 29 1089 #define CPUCFG1_CDMAP 30 1090 uint32_t lcsr_cpucfg2; 1091 #define CPUCFG2_LEXT1 0 1092 #define CPUCFG2_LEXT2 1 1093 #define CPUCFG2_LEXT3 2 1094 #define CPUCFG2_LSPW 3 1095 #define CPUCFG2_LCSRP 27 1096 #define CPUCFG2_LDISBLIKELY 28 1097 1098 /* We waste some space so we can handle shadow registers like TCs. */ 1099 TCState tcs[MIPS_SHADOW_SET_MAX]; 1100 CPUMIPSFPUContext fpus[MIPS_FPU_MAX]; 1101 /* QEMU */ 1102 int error_code; 1103 #define EXCP_TLB_NOMATCH 0x1 1104 #define EXCP_INST_NOTAVAIL 0x2 /* No valid instruction word for BadInstr */ 1105 uint32_t hflags; /* CPU State */ 1106 /* TMASK defines different execution modes */ 1107 #define MIPS_HFLAG_TMASK 0x3F5807FF 1108 #define MIPS_HFLAG_MODE 0x00007 /* execution modes */ 1109 /* 1110 * The KSU flags must be the lowest bits in hflags. The flag order 1111 * must be the same as defined for CP0 Status. This allows to use 1112 * the bits as the value of mmu_idx. 1113 */ 1114 #define MIPS_HFLAG_KSU 0x00003 /* kernel/supervisor/user mode mask */ 1115 #define MIPS_HFLAG_UM 0x00002 /* user mode flag */ 1116 #define MIPS_HFLAG_SM 0x00001 /* supervisor mode flag */ 1117 #define MIPS_HFLAG_KM 0x00000 /* kernel mode flag */ 1118 #define MIPS_HFLAG_DM 0x00004 /* Debug mode */ 1119 #define MIPS_HFLAG_64 0x00008 /* 64-bit instructions enabled */ 1120 #define MIPS_HFLAG_CP0 0x00010 /* CP0 enabled */ 1121 #define MIPS_HFLAG_FPU 0x00020 /* FPU enabled */ 1122 #define MIPS_HFLAG_F64 0x00040 /* 64-bit FPU enabled */ 1123 /* 1124 * True if the MIPS IV COP1X instructions can be used. This also 1125 * controls the non-COP1X instructions RECIP.S, RECIP.D, RSQRT.S 1126 * and RSQRT.D. 1127 */ 1128 #define MIPS_HFLAG_COP1X 0x00080 /* COP1X instructions enabled */ 1129 #define MIPS_HFLAG_RE 0x00100 /* Reversed endianness */ 1130 #define MIPS_HFLAG_AWRAP 0x00200 /* 32-bit compatibility address wrapping */ 1131 #define MIPS_HFLAG_M16 0x00400 /* MIPS16 mode flag */ 1132 #define MIPS_HFLAG_M16_SHIFT 10 1133 /* 1134 * If translation is interrupted between the branch instruction and 1135 * the delay slot, record what type of branch it is so that we can 1136 * resume translation properly. It might be possible to reduce 1137 * this from three bits to two. 1138 */ 1139 #define MIPS_HFLAG_BMASK_BASE 0x803800 1140 #define MIPS_HFLAG_B 0x00800 /* Unconditional branch */ 1141 #define MIPS_HFLAG_BC 0x01000 /* Conditional branch */ 1142 #define MIPS_HFLAG_BL 0x01800 /* Likely branch */ 1143 #define MIPS_HFLAG_BR 0x02000 /* branch to register (can't link TB) */ 1144 /* Extra flags about the current pending branch. */ 1145 #define MIPS_HFLAG_BMASK_EXT 0x7C000 1146 #define MIPS_HFLAG_B16 0x04000 /* branch instruction was 16 bits */ 1147 #define MIPS_HFLAG_BDS16 0x08000 /* branch requires 16-bit delay slot */ 1148 #define MIPS_HFLAG_BDS32 0x10000 /* branch requires 32-bit delay slot */ 1149 #define MIPS_HFLAG_BDS_STRICT 0x20000 /* Strict delay slot size */ 1150 #define MIPS_HFLAG_BX 0x40000 /* branch exchanges execution mode */ 1151 #define MIPS_HFLAG_BMASK (MIPS_HFLAG_BMASK_BASE | MIPS_HFLAG_BMASK_EXT) 1152 /* MIPS DSP resources access. */ 1153 #define MIPS_HFLAG_DSP 0x080000 /* Enable access to DSP resources. */ 1154 #define MIPS_HFLAG_DSP_R2 0x100000 /* Enable access to DSP R2 resources. */ 1155 #define MIPS_HFLAG_DSP_R3 0x20000000 /* Enable access to DSP R3 resources. */ 1156 /* Extra flag about HWREna register. */ 1157 #define MIPS_HFLAG_HWRENA_ULR 0x200000 /* ULR bit from HWREna is set. */ 1158 #define MIPS_HFLAG_SBRI 0x400000 /* R6 SDBBP causes RI excpt. in user mode */ 1159 #define MIPS_HFLAG_FBNSLOT 0x800000 /* Forbidden slot */ 1160 #define MIPS_HFLAG_MSA 0x1000000 1161 #define MIPS_HFLAG_FRE 0x2000000 /* FRE enabled */ 1162 #define MIPS_HFLAG_ELPA 0x4000000 1163 #define MIPS_HFLAG_ITC_CACHE 0x8000000 /* CACHE instr. operates on ITC tag */ 1164 #define MIPS_HFLAG_ERL 0x10000000 /* error level flag */ 1165 target_ulong btarget; /* Jump / branch target */ 1166 target_ulong bcond; /* Branch condition (if needed) */ 1167 1168 int SYNCI_Step; /* Address step size for SYNCI */ 1169 int CCRes; /* Cycle count resolution/divisor */ 1170 uint32_t CP0_Status_rw_bitmask; /* Read/write bits in CP0_Status */ 1171 uint32_t CP0_TCStatus_rw_bitmask; /* Read/write bits in CP0_TCStatus */ 1172 uint64_t insn_flags; /* Supported instruction set */ 1173 1174 /* Fields up to this point are cleared by a CPU reset */ 1175 struct {} end_reset_fields; 1176 1177 /* Fields from here on are preserved across CPU reset. */ 1178 CPUMIPSMVPContext *mvp; 1179 #if !defined(CONFIG_USER_ONLY) 1180 CPUMIPSTLBContext *tlb; 1181 qemu_irq irq[8]; 1182 MemoryRegion *itc_tag; /* ITC Configuration Tags */ 1183 1184 /* Loongson IOCSR memory */ 1185 struct { 1186 AddressSpace as; 1187 MemoryRegion mr; 1188 } iocsr; 1189 #endif 1190 1191 const mips_def_t *cpu_model; 1192 QEMUTimer *timer; /* Internal timer */ 1193 Clock *count_clock; /* CP0_Count clock */ 1194 target_ulong exception_base; /* ExceptionBase input to the core */ 1195 } CPUMIPSState; 1196 1197 /** 1198 * MIPSCPU: 1199 * @env: #CPUMIPSState 1200 * @clock: this CPU input clock (may be connected 1201 * to an output clock from another device). 1202 * 1203 * A MIPS CPU. 1204 */ 1205 struct ArchCPU { 1206 CPUState parent_obj; 1207 1208 CPUMIPSState env; 1209 1210 Clock *clock; 1211 Clock *count_div; /* Divider for CP0_Count clock */ 1212 }; 1213 1214 /** 1215 * MIPSCPUClass: 1216 * @parent_realize: The parent class' realize handler. 1217 * @parent_phases: The parent class' reset phase handlers. 1218 * 1219 * A MIPS CPU model. 1220 */ 1221 struct MIPSCPUClass { 1222 CPUClass parent_class; 1223 1224 DeviceRealize parent_realize; 1225 ResettablePhases parent_phases; 1226 const struct mips_def_t *cpu_def; 1227 1228 /* Used for the jazz board to modify mips_cpu_do_transaction_failed. */ 1229 bool no_data_aborts; 1230 }; 1231 1232 void cpu_wrdsp(uint32_t rs, uint32_t mask_num, CPUMIPSState *env); 1233 uint32_t cpu_rddsp(uint32_t mask_num, CPUMIPSState *env); 1234 1235 /* 1236 * MMU modes definitions. We carefully match the indices with our 1237 * hflags layout. 1238 */ 1239 #define MMU_KERNEL_IDX 0 1240 #define MMU_USER_IDX 2 1241 #define MMU_ERL_IDX 3 1242 1243 static inline int hflags_mmu_index(uint32_t hflags) 1244 { 1245 if (hflags & MIPS_HFLAG_ERL) { 1246 return MMU_ERL_IDX; 1247 } else { 1248 return hflags & MIPS_HFLAG_KSU; 1249 } 1250 } 1251 1252 static inline int mips_env_mmu_index(CPUMIPSState *env) 1253 { 1254 return hflags_mmu_index(env->hflags); 1255 } 1256 1257 #include "exec/cpu-all.h" 1258 1259 /* Exceptions */ 1260 enum { 1261 EXCP_NONE = -1, 1262 EXCP_RESET = 0, 1263 EXCP_SRESET, 1264 EXCP_DSS, 1265 EXCP_DINT, 1266 EXCP_DDBL, 1267 EXCP_DDBS, 1268 EXCP_NMI, 1269 EXCP_MCHECK, 1270 EXCP_EXT_INTERRUPT, /* 8 */ 1271 EXCP_DFWATCH, 1272 EXCP_DIB, 1273 EXCP_IWATCH, 1274 EXCP_AdEL, 1275 EXCP_AdES, 1276 EXCP_TLBF, 1277 EXCP_IBE, 1278 EXCP_DBp, /* 16 */ 1279 EXCP_SYSCALL, 1280 EXCP_BREAK, 1281 EXCP_CpU, 1282 EXCP_RI, 1283 EXCP_OVERFLOW, 1284 EXCP_TRAP, 1285 EXCP_FPE, 1286 EXCP_DWATCH, /* 24 */ 1287 EXCP_LTLBL, 1288 EXCP_TLBL, 1289 EXCP_TLBS, 1290 EXCP_DBE, 1291 EXCP_THREAD, 1292 EXCP_MDMX, 1293 EXCP_C2E, 1294 EXCP_CACHE, /* 32 */ 1295 EXCP_DSPDIS, 1296 EXCP_MSADIS, 1297 EXCP_MSAFPE, 1298 EXCP_TLBXI, 1299 EXCP_TLBRI, 1300 EXCP_SEMIHOST, 1301 1302 EXCP_LAST = EXCP_SEMIHOST, 1303 }; 1304 1305 /* 1306 * This is an internally generated WAKE request line. 1307 * It is driven by the CPU itself. Raised when the MT 1308 * block wants to wake a VPE from an inactive state and 1309 * cleared when VPE goes from active to inactive. 1310 */ 1311 #define CPU_INTERRUPT_WAKE CPU_INTERRUPT_TGT_INT_0 1312 1313 #define CPU_RESOLVING_TYPE TYPE_MIPS_CPU 1314 1315 bool cpu_type_supports_cps_smp(const char *cpu_type); 1316 bool cpu_supports_isa(const CPUMIPSState *env, uint64_t isa_mask); 1317 bool cpu_type_supports_isa(const char *cpu_type, uint64_t isa); 1318 1319 /* Check presence of MSA implementation */ 1320 static inline bool ase_msa_available(CPUMIPSState *env) 1321 { 1322 return env->CP0_Config3 & (1 << CP0C3_MSAP); 1323 } 1324 1325 /* Check presence of Loongson CSR instructions */ 1326 static inline bool ase_lcsr_available(CPUMIPSState *env) 1327 { 1328 return env->lcsr_cpucfg2 & (1 << CPUCFG2_LCSRP); 1329 } 1330 1331 /* Check presence of multi-threading ASE implementation */ 1332 static inline bool ase_mt_available(CPUMIPSState *env) 1333 { 1334 return env->CP0_Config3 & (1 << CP0C3_MT); 1335 } 1336 1337 static inline bool cpu_type_is_64bit(const char *cpu_type) 1338 { 1339 return cpu_type_supports_isa(cpu_type, CPU_MIPS64); 1340 } 1341 1342 void cpu_set_exception_base(int vp_index, target_ulong address); 1343 1344 /* addr.c */ 1345 uint64_t cpu_mips_kseg0_to_phys(void *opaque, uint64_t addr); 1346 uint64_t cpu_mips_phys_to_kseg0(void *opaque, uint64_t addr); 1347 1348 uint64_t cpu_mips_kseg1_to_phys(void *opaque, uint64_t addr); 1349 uint64_t cpu_mips_phys_to_kseg1(void *opaque, uint64_t addr); 1350 1351 #if !defined(CONFIG_USER_ONLY) 1352 1353 /* HW declaration specific to the MIPS target */ 1354 void cpu_mips_soft_irq(CPUMIPSState *env, int irq, int level); 1355 void cpu_mips_irq_init_cpu(MIPSCPU *cpu); 1356 void cpu_mips_clock_init(MIPSCPU *cpu); 1357 1358 #endif /* !CONFIG_USER_ONLY */ 1359 1360 /* helper.c */ 1361 target_ulong exception_resume_pc(CPUMIPSState *env); 1362 1363 static inline void cpu_get_tb_cpu_state(CPUMIPSState *env, vaddr *pc, 1364 uint64_t *cs_base, uint32_t *flags) 1365 { 1366 *pc = env->active_tc.PC; 1367 *cs_base = 0; 1368 *flags = env->hflags & (MIPS_HFLAG_TMASK | MIPS_HFLAG_BMASK | 1369 MIPS_HFLAG_HWRENA_ULR); 1370 } 1371 1372 /** 1373 * mips_cpu_create_with_clock: 1374 * @typename: a MIPS CPU type. 1375 * @cpu_refclk: this cpu input clock (an output clock of another device) 1376 * 1377 * Instantiates a MIPS CPU, set the input clock of the CPU to @cpu_refclk, 1378 * then realizes the CPU. 1379 * 1380 * Returns: A #CPUState or %NULL if an error occurred. 1381 */ 1382 MIPSCPU *mips_cpu_create_with_clock(const char *cpu_type, Clock *cpu_refclk); 1383 1384 #endif /* MIPS_CPU_H */ 1385