qemu/target/mips/cpu.h
<<
>>
Prefs
   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
  11typedef struct CPUMIPSTLBContext CPUMIPSTLBContext;
  12
  13/* MSA Context */
  14#define MSA_WRLEN (128)
  15
  16typedef union wr_t wr_t;
  17union 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
  24typedef union fpr_t fpr_t;
  25union 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
  43typedef struct CPUMIPSFPUContext CPUMIPSFPUContext;
  44struct 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
 101typedef struct CPUMIPSMVPContext CPUMIPSMVPContext;
 102struct 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
 125typedef 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                                       WatchLo6          WatchHi
 202 * 7                                       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_REG00__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
 459typedef struct TCState TCState;
 460struct 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
 521struct MIPSITUState;
 522typedef struct CPUMIPSState CPUMIPSState;
 523struct 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_Config7;
 944    uint64_t CP0_LLAddr;
 945    uint64_t CP0_MAAR[MIPS_MAAR_MAX];
 946    int32_t CP0_MAARI;
 947    /* XXX: Maybe make LLAddr per-TC? */
 948/*
 949 * CP0 Register 17
 950 */
 951    target_ulong lladdr; /* LL virtual address compared against SC */
 952    target_ulong llval;
 953    uint64_t llval_wp;
 954    uint32_t llnewval_wp;
 955    uint64_t CP0_LLAddr_rw_bitmask;
 956    int CP0_LLAddr_shift;
 957/*
 958 * CP0 Register 18
 959 */
 960    target_ulong CP0_WatchLo[8];
 961/*
 962 * CP0 Register 19
 963 */
 964    int32_t CP0_WatchHi[8];
 965#define CP0WH_ASID 16
 966/*
 967 * CP0 Register 20
 968 */
 969    target_ulong CP0_XContext;
 970    int32_t CP0_Framemask;
 971/*
 972 * CP0 Register 23
 973 */
 974    int32_t CP0_Debug;
 975#define CP0DB_DBD  31
 976#define CP0DB_DM   30
 977#define CP0DB_LSNM 28
 978#define CP0DB_Doze 27
 979#define CP0DB_Halt 26
 980#define CP0DB_CNT  25
 981#define CP0DB_IBEP 24
 982#define CP0DB_DBEP 21
 983#define CP0DB_IEXI 20
 984#define CP0DB_VER  15
 985#define CP0DB_DEC  10
 986#define CP0DB_SSt  8
 987#define CP0DB_DINT 5
 988#define CP0DB_DIB  4
 989#define CP0DB_DDBS 3
 990#define CP0DB_DDBL 2
 991#define CP0DB_DBp  1
 992#define CP0DB_DSS  0
 993/*
 994 * CP0 Register 24
 995 */
 996    target_ulong CP0_DEPC;
 997/*
 998 * CP0 Register 25
 999 */
1000    int32_t CP0_Performance0;
1001/*
1002 * CP0 Register 26
1003 */
1004    int32_t CP0_ErrCtl;
1005#define CP0EC_WST 29
1006#define CP0EC_SPR 28
1007#define CP0EC_ITC 26
1008/*
1009 * CP0 Register 28
1010 */
1011    uint64_t CP0_TagLo;
1012    int32_t CP0_DataLo;
1013/*
1014 * CP0 Register 29
1015 */
1016    int32_t CP0_TagHi;
1017    int32_t CP0_DataHi;
1018/*
1019 * CP0 Register 30
1020 */
1021    target_ulong CP0_ErrorEPC;
1022/*
1023 * CP0 Register 31
1024 */
1025    int32_t CP0_DESAVE;
1026    target_ulong CP0_KScratch[MIPS_KSCRATCH_NUM];
1027
1028    /* We waste some space so we can handle shadow registers like TCs. */
1029    TCState tcs[MIPS_SHADOW_SET_MAX];
1030    CPUMIPSFPUContext fpus[MIPS_FPU_MAX];
1031    /* QEMU */
1032    int error_code;
1033#define EXCP_TLB_NOMATCH   0x1
1034#define EXCP_INST_NOTAVAIL 0x2 /* No valid instruction word for BadInstr */
1035    uint32_t hflags;    /* CPU State */
1036    /* TMASK defines different execution modes */
1037#define MIPS_HFLAG_TMASK  0x1F5807FF
1038#define MIPS_HFLAG_MODE   0x00007 /* execution modes                    */
1039    /*
1040     * The KSU flags must be the lowest bits in hflags. The flag order
1041     * must be the same as defined for CP0 Status. This allows to use
1042     * the bits as the value of mmu_idx.
1043     */
1044#define MIPS_HFLAG_KSU    0x00003 /* kernel/supervisor/user mode mask   */
1045#define MIPS_HFLAG_UM     0x00002 /* user mode flag                     */
1046#define MIPS_HFLAG_SM     0x00001 /* supervisor mode flag               */
1047#define MIPS_HFLAG_KM     0x00000 /* kernel mode flag                   */
1048#define MIPS_HFLAG_DM     0x00004 /* Debug mode                         */
1049#define MIPS_HFLAG_64     0x00008 /* 64-bit instructions enabled        */
1050#define MIPS_HFLAG_CP0    0x00010 /* CP0 enabled                        */
1051#define MIPS_HFLAG_FPU    0x00020 /* FPU enabled                        */
1052#define MIPS_HFLAG_F64    0x00040 /* 64-bit FPU enabled                 */
1053    /*
1054     * True if the MIPS IV COP1X instructions can be used.  This also
1055     * controls the non-COP1X instructions RECIP.S, RECIP.D, RSQRT.S
1056     * and RSQRT.D.
1057     */
1058#define MIPS_HFLAG_COP1X  0x00080 /* COP1X instructions enabled         */
1059#define MIPS_HFLAG_RE     0x00100 /* Reversed endianness                */
1060#define MIPS_HFLAG_AWRAP  0x00200 /* 32-bit compatibility address wrapping */
1061#define MIPS_HFLAG_M16    0x00400 /* MIPS16 mode flag                   */
1062#define MIPS_HFLAG_M16_SHIFT 10
1063    /*
1064     * If translation is interrupted between the branch instruction and
1065     * the delay slot, record what type of branch it is so that we can
1066     * resume translation properly.  It might be possible to reduce
1067     * this from three bits to two.
1068     */
1069#define MIPS_HFLAG_BMASK_BASE  0x803800
1070#define MIPS_HFLAG_B      0x00800 /* Unconditional branch               */
1071#define MIPS_HFLAG_BC     0x01000 /* Conditional branch                 */
1072#define MIPS_HFLAG_BL     0x01800 /* Likely branch                      */
1073#define MIPS_HFLAG_BR     0x02000 /* branch to register (can't link TB) */
1074    /* Extra flags about the current pending branch.  */
1075#define MIPS_HFLAG_BMASK_EXT 0x7C000
1076#define MIPS_HFLAG_B16    0x04000 /* branch instruction was 16 bits     */
1077#define MIPS_HFLAG_BDS16  0x08000 /* branch requires 16-bit delay slot  */
1078#define MIPS_HFLAG_BDS32  0x10000 /* branch requires 32-bit delay slot  */
1079#define MIPS_HFLAG_BDS_STRICT  0x20000 /* Strict delay slot size */
1080#define MIPS_HFLAG_BX     0x40000 /* branch exchanges execution mode    */
1081#define MIPS_HFLAG_BMASK  (MIPS_HFLAG_BMASK_BASE | MIPS_HFLAG_BMASK_EXT)
1082    /* MIPS DSP resources access. */
1083#define MIPS_HFLAG_DSP    0x080000   /* Enable access to DSP resources.    */
1084#define MIPS_HFLAG_DSP_R2 0x100000   /* Enable access to DSP R2 resources. */
1085#define MIPS_HFLAG_DSP_R3 0x20000000 /* Enable access to DSP R3 resources. */
1086    /* Extra flag about HWREna register. */
1087#define MIPS_HFLAG_HWRENA_ULR 0x200000 /* ULR bit from HWREna is set. */
1088#define MIPS_HFLAG_SBRI  0x400000 /* R6 SDBBP causes RI excpt. in user mode */
1089#define MIPS_HFLAG_FBNSLOT 0x800000 /* Forbidden slot                   */
1090#define MIPS_HFLAG_MSA   0x1000000
1091#define MIPS_HFLAG_FRE   0x2000000 /* FRE enabled */
1092#define MIPS_HFLAG_ELPA  0x4000000
1093#define MIPS_HFLAG_ITC_CACHE  0x8000000 /* CACHE instr. operates on ITC tag */
1094#define MIPS_HFLAG_ERL   0x10000000 /* error level flag */
1095    target_ulong btarget;        /* Jump / branch target               */
1096    target_ulong bcond;          /* Branch condition (if needed)       */
1097
1098    int SYNCI_Step; /* Address step size for SYNCI */
1099    int CCRes; /* Cycle count resolution/divisor */
1100    uint32_t CP0_Status_rw_bitmask; /* Read/write bits in CP0_Status */
1101    uint32_t CP0_TCStatus_rw_bitmask; /* Read/write bits in CP0_TCStatus */
1102    uint64_t insn_flags; /* Supported instruction set */
1103    int saarp;
1104
1105    /* Fields up to this point are cleared by a CPU reset */
1106    struct {} end_reset_fields;
1107
1108    /* Fields from here on are preserved across CPU reset. */
1109    CPUMIPSMVPContext *mvp;
1110#if !defined(CONFIG_USER_ONLY)
1111    CPUMIPSTLBContext *tlb;
1112#endif
1113
1114    const mips_def_t *cpu_model;
1115    void *irq[8];
1116    QEMUTimer *timer; /* Internal timer */
1117    struct MIPSITUState *itu;
1118    MemoryRegion *itc_tag; /* ITC Configuration Tags */
1119    target_ulong exception_base; /* ExceptionBase input to the core */
1120};
1121
1122/**
1123 * MIPSCPU:
1124 * @env: #CPUMIPSState
1125 *
1126 * A MIPS CPU.
1127 */
1128struct MIPSCPU {
1129    /*< private >*/
1130    CPUState parent_obj;
1131    /*< public >*/
1132
1133    CPUNegativeOffsetState neg;
1134    CPUMIPSState env;
1135};
1136
1137
1138void mips_cpu_list(void);
1139
1140#define cpu_signal_handler cpu_mips_signal_handler
1141#define cpu_list mips_cpu_list
1142
1143extern void cpu_wrdsp(uint32_t rs, uint32_t mask_num, CPUMIPSState *env);
1144extern uint32_t cpu_rddsp(uint32_t mask_num, CPUMIPSState *env);
1145
1146/*
1147 * MMU modes definitions. We carefully match the indices with our
1148 * hflags layout.
1149 */
1150#define MMU_MODE0_SUFFIX _kernel
1151#define MMU_MODE1_SUFFIX _super
1152#define MMU_MODE2_SUFFIX _user
1153#define MMU_MODE3_SUFFIX _error
1154#define MMU_USER_IDX 2
1155
1156static inline int hflags_mmu_index(uint32_t hflags)
1157{
1158    if (hflags & MIPS_HFLAG_ERL) {
1159        return 3; /* ERL */
1160    } else {
1161        return hflags & MIPS_HFLAG_KSU;
1162    }
1163}
1164
1165static inline int cpu_mmu_index(CPUMIPSState *env, bool ifetch)
1166{
1167    return hflags_mmu_index(env->hflags);
1168}
1169
1170typedef CPUMIPSState CPUArchState;
1171typedef MIPSCPU ArchCPU;
1172
1173#include "exec/cpu-all.h"
1174
1175/*
1176 * Memory access type :
1177 * may be needed for precise access rights control and precise exceptions.
1178 */
1179enum {
1180    /* 1 bit to define user level / supervisor access */
1181    ACCESS_USER  = 0x00,
1182    ACCESS_SUPER = 0x01,
1183    /* 1 bit to indicate direction */
1184    ACCESS_STORE = 0x02,
1185    /* Type of instruction that generated the access */
1186    ACCESS_CODE  = 0x10, /* Code fetch access                */
1187    ACCESS_INT   = 0x20, /* Integer load/store access        */
1188    ACCESS_FLOAT = 0x30, /* floating point load/store access */
1189};
1190
1191/* Exceptions */
1192enum {
1193    EXCP_NONE          = -1,
1194    EXCP_RESET         = 0,
1195    EXCP_SRESET,
1196    EXCP_DSS,
1197    EXCP_DINT,
1198    EXCP_DDBL,
1199    EXCP_DDBS,
1200    EXCP_NMI,
1201    EXCP_MCHECK,
1202    EXCP_EXT_INTERRUPT, /* 8 */
1203    EXCP_DFWATCH,
1204    EXCP_DIB,
1205    EXCP_IWATCH,
1206    EXCP_AdEL,
1207    EXCP_AdES,
1208    EXCP_TLBF,
1209    EXCP_IBE,
1210    EXCP_DBp, /* 16 */
1211    EXCP_SYSCALL,
1212    EXCP_BREAK,
1213    EXCP_CpU,
1214    EXCP_RI,
1215    EXCP_OVERFLOW,
1216    EXCP_TRAP,
1217    EXCP_FPE,
1218    EXCP_DWATCH, /* 24 */
1219    EXCP_LTLBL,
1220    EXCP_TLBL,
1221    EXCP_TLBS,
1222    EXCP_DBE,
1223    EXCP_THREAD,
1224    EXCP_MDMX,
1225    EXCP_C2E,
1226    EXCP_CACHE, /* 32 */
1227    EXCP_DSPDIS,
1228    EXCP_MSADIS,
1229    EXCP_MSAFPE,
1230    EXCP_TLBXI,
1231    EXCP_TLBRI,
1232
1233    EXCP_LAST = EXCP_TLBRI,
1234};
1235
1236/*
1237 * This is an internally generated WAKE request line.
1238 * It is driven by the CPU itself. Raised when the MT
1239 * block wants to wake a VPE from an inactive state and
1240 * cleared when VPE goes from active to inactive.
1241 */
1242#define CPU_INTERRUPT_WAKE CPU_INTERRUPT_TGT_INT_0
1243
1244int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc);
1245
1246#define MIPS_CPU_TYPE_SUFFIX "-" TYPE_MIPS_CPU
1247#define MIPS_CPU_TYPE_NAME(model) model MIPS_CPU_TYPE_SUFFIX
1248#define CPU_RESOLVING_TYPE TYPE_MIPS_CPU
1249
1250bool cpu_supports_cps_smp(const char *cpu_type);
1251bool cpu_supports_isa(const char *cpu_type, uint64_t isa);
1252void cpu_set_exception_base(int vp_index, target_ulong address);
1253
1254/* mips_int.c */
1255void cpu_mips_soft_irq(CPUMIPSState *env, int irq, int level);
1256
1257/* mips_itu.c */
1258void itc_reconfigure(struct MIPSITUState *tag);
1259
1260/* helper.c */
1261target_ulong exception_resume_pc(CPUMIPSState *env);
1262
1263static inline void cpu_get_tb_cpu_state(CPUMIPSState *env, target_ulong *pc,
1264                                        target_ulong *cs_base, uint32_t *flags)
1265{
1266    *pc = env->active_tc.PC;
1267    *cs_base = 0;
1268    *flags = env->hflags & (MIPS_HFLAG_TMASK | MIPS_HFLAG_BMASK |
1269                            MIPS_HFLAG_HWRENA_ULR);
1270}
1271
1272#endif /* MIPS_CPU_H */
1273