qemu/target/mips/cpu.h
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   1#ifndef MIPS_CPU_H
   2#define MIPS_CPU_H
   3
   4#include "cpu-qom.h"
   5#include "exec/cpu-defs.h"
   6#include "fpu/softfloat-types.h"
   7#include "hw/clock.h"
   8#include "mips-defs.h"
   9
  10#define TCG_GUEST_DEFAULT_MO (0)
  11
  12typedef struct CPUMIPSTLBContext CPUMIPSTLBContext;
  13
  14/* MSA Context */
  15#define MSA_WRLEN (128)
  16
  17typedef union wr_t wr_t;
  18union wr_t {
  19    int8_t  b[MSA_WRLEN / 8];
  20    int16_t h[MSA_WRLEN / 16];
  21    int32_t w[MSA_WRLEN / 32];
  22    int64_t d[MSA_WRLEN / 64];
  23};
  24
  25typedef union fpr_t fpr_t;
  26union fpr_t {
  27    float64  fd;   /* ieee double precision */
  28    float32  fs[2];/* ieee single precision */
  29    uint64_t d;    /* binary double fixed-point */
  30    uint32_t w[2]; /* binary single fixed-point */
  31/* FPU/MSA register mapping is not tested on big-endian hosts. */
  32    wr_t     wr;   /* vector data */
  33};
  34/*
  35 *define FP_ENDIAN_IDX to access the same location
  36 * in the fpr_t union regardless of the host endianness
  37 */
  38#if HOST_BIG_ENDIAN
  39#  define FP_ENDIAN_IDX 1
  40#else
  41#  define FP_ENDIAN_IDX 0
  42#endif
  43
  44typedef struct CPUMIPSFPUContext CPUMIPSFPUContext;
  45struct CPUMIPSFPUContext {
  46    /* Floating point registers */
  47    fpr_t fpr[32];
  48    float_status fp_status;
  49    /* fpu implementation/revision register (fir) */
  50    uint32_t fcr0;
  51#define FCR0_FREP 29
  52#define FCR0_UFRP 28
  53#define FCR0_HAS2008 23
  54#define FCR0_F64 22
  55#define FCR0_L 21
  56#define FCR0_W 20
  57#define FCR0_3D 19
  58#define FCR0_PS 18
  59#define FCR0_D 17
  60#define FCR0_S 16
  61#define FCR0_PRID 8
  62#define FCR0_REV 0
  63    /* fcsr */
  64    uint32_t fcr31_rw_bitmask;
  65    uint32_t fcr31;
  66#define FCR31_FS 24
  67#define FCR31_ABS2008 19
  68#define FCR31_NAN2008 18
  69#define SET_FP_COND(num, env)     do { ((env).fcr31) |=                 \
  70                                       ((num) ? (1 << ((num) + 24)) :   \
  71                                                (1 << 23));             \
  72                                     } while (0)
  73#define CLEAR_FP_COND(num, env)   do { ((env).fcr31) &=                 \
  74                                       ~((num) ? (1 << ((num) + 24)) :  \
  75                                                 (1 << 23));            \
  76                                     } while (0)
  77#define GET_FP_COND(env)         ((((env).fcr31 >> 24) & 0xfe) |        \
  78                                 (((env).fcr31 >> 23) & 0x1))
  79#define GET_FP_CAUSE(reg)        (((reg) >> 12) & 0x3f)
  80#define GET_FP_ENABLE(reg)       (((reg) >>  7) & 0x1f)
  81#define GET_FP_FLAGS(reg)        (((reg) >>  2) & 0x1f)
  82#define SET_FP_CAUSE(reg, v)      do { (reg) = ((reg) & ~(0x3f << 12)) | \
  83                                               ((v & 0x3f) << 12);       \
  84                                     } while (0)
  85#define SET_FP_ENABLE(reg, v)     do { (reg) = ((reg) & ~(0x1f <<  7)) | \
  86                                               ((v & 0x1f) << 7);        \
  87                                     } while (0)
  88#define SET_FP_FLAGS(reg, v)      do { (reg) = ((reg) & ~(0x1f <<  2)) | \
  89                                               ((v & 0x1f) << 2);        \
  90                                     } while (0)
  91#define UPDATE_FP_FLAGS(reg, v)   do { (reg) |= ((v & 0x1f) << 2); } while (0)
  92#define FP_INEXACT        1
  93#define FP_UNDERFLOW      2
  94#define FP_OVERFLOW       4
  95#define FP_DIV0           8
  96#define FP_INVALID        16
  97#define FP_UNIMPLEMENTED  32
  98};
  99
 100#define TARGET_INSN_START_EXTRA_WORDS 2
 101
 102typedef struct CPUMIPSMVPContext CPUMIPSMVPContext;
 103struct CPUMIPSMVPContext {
 104    int32_t CP0_MVPControl;
 105#define CP0MVPCo_CPA    3
 106#define CP0MVPCo_STLB   2
 107#define CP0MVPCo_VPC    1
 108#define CP0MVPCo_EVP    0
 109    int32_t CP0_MVPConf0;
 110#define CP0MVPC0_M      31
 111#define CP0MVPC0_TLBS   29
 112#define CP0MVPC0_GS     28
 113#define CP0MVPC0_PCP    27
 114#define CP0MVPC0_PTLBE  16
 115#define CP0MVPC0_TCA    15
 116#define CP0MVPC0_PVPE   10
 117#define CP0MVPC0_PTC    0
 118    int32_t CP0_MVPConf1;
 119#define CP0MVPC1_CIM    31
 120#define CP0MVPC1_CIF    30
 121#define CP0MVPC1_PCX    20
 122#define CP0MVPC1_PCP2   10
 123#define CP0MVPC1_PCP1   0
 124};
 125
 126typedef struct mips_def_t mips_def_t;
 127
 128#define MIPS_SHADOW_SET_MAX 16
 129#define MIPS_TC_MAX 5
 130#define MIPS_FPU_MAX 1
 131#define MIPS_DSP_ACC 4
 132#define MIPS_KSCRATCH_NUM 6
 133#define MIPS_MAAR_MAX 16 /* Must be an even number. */
 134
 135
 136/*
 137 *     Summary of CP0 registers
 138 *     ========================
 139 *
 140 *
 141 *     Register 0        Register 1        Register 2        Register 3
 142 *     ----------        ----------        ----------        ----------
 143 *
 144 * 0   Index             Random            EntryLo0          EntryLo1
 145 * 1   MVPControl        VPEControl        TCStatus          GlobalNumber
 146 * 2   MVPConf0          VPEConf0          TCBind
 147 * 3   MVPConf1          VPEConf1          TCRestart
 148 * 4   VPControl         YQMask            TCHalt
 149 * 5                     VPESchedule       TCContext
 150 * 6                     VPEScheFBack      TCSchedule
 151 * 7                     VPEOpt            TCScheFBack       TCOpt
 152 *
 153 *
 154 *     Register 4        Register 5        Register 6        Register 7
 155 *     ----------        ----------        ----------        ----------
 156 *
 157 * 0   Context           PageMask          Wired             HWREna
 158 * 1   ContextConfig     PageGrain         SRSConf0
 159 * 2   UserLocal         SegCtl0           SRSConf1
 160 * 3   XContextConfig    SegCtl1           SRSConf2
 161 * 4   DebugContextID    SegCtl2           SRSConf3
 162 * 5   MemoryMapID       PWBase            SRSConf4
 163 * 6                     PWField           PWCtl
 164 * 7                     PWSize
 165 *
 166 *
 167 *     Register 8        Register 9        Register 10       Register 11
 168 *     ----------        ----------        -----------       -----------
 169 *
 170 * 0   BadVAddr          Count             EntryHi           Compare
 171 * 1   BadInstr
 172 * 2   BadInstrP
 173 * 3   BadInstrX
 174 * 4                                       GuestCtl1         GuestCtl0Ext
 175 * 5                                       GuestCtl2
 176 * 6                     SAARI             GuestCtl3
 177 * 7                     SAAR
 178 *
 179 *
 180 *     Register 12       Register 13       Register 14       Register 15
 181 *     -----------       -----------       -----------       -----------
 182 *
 183 * 0   Status            Cause             EPC               PRId
 184 * 1   IntCtl                                                EBase
 185 * 2   SRSCtl                              NestedEPC         CDMMBase
 186 * 3   SRSMap                                                CMGCRBase
 187 * 4   View_IPL          View_RIPL                           BEVVA
 188 * 5   SRSMap2           NestedExc
 189 * 6   GuestCtl0
 190 * 7   GTOffset
 191 *
 192 *
 193 *     Register 16       Register 17       Register 18       Register 19
 194 *     -----------       -----------       -----------       -----------
 195 *
 196 * 0   Config            LLAddr            WatchLo0          WatchHi
 197 * 1   Config1           MAAR              WatchLo1          WatchHi
 198 * 2   Config2           MAARI             WatchLo2          WatchHi
 199 * 3   Config3                             WatchLo3          WatchHi
 200 * 4   Config4                             WatchLo4          WatchHi
 201 * 5   Config5                             WatchLo5          WatchHi
 202 * 6   Config6                             WatchLo6          WatchHi
 203 * 7   Config7                             WatchLo7          WatchHi
 204 *
 205 *
 206 *     Register 20       Register 21       Register 22       Register 23
 207 *     -----------       -----------       -----------       -----------
 208 *
 209 * 0   XContext                                              Debug
 210 * 1                                                         TraceControl
 211 * 2                                                         TraceControl2
 212 * 3                                                         UserTraceData1
 213 * 4                                                         TraceIBPC
 214 * 5                                                         TraceDBPC
 215 * 6                                                         Debug2
 216 * 7
 217 *
 218 *
 219 *     Register 24       Register 25       Register 26       Register 27
 220 *     -----------       -----------       -----------       -----------
 221 *
 222 * 0   DEPC              PerfCnt            ErrCtl          CacheErr
 223 * 1                     PerfCnt
 224 * 2   TraceControl3     PerfCnt
 225 * 3   UserTraceData2    PerfCnt
 226 * 4                     PerfCnt
 227 * 5                     PerfCnt
 228 * 6                     PerfCnt
 229 * 7                     PerfCnt
 230 *
 231 *
 232 *     Register 28       Register 29       Register 30       Register 31
 233 *     -----------       -----------       -----------       -----------
 234 *
 235 * 0   DataLo            DataHi            ErrorEPC          DESAVE
 236 * 1   TagLo             TagHi
 237 * 2   DataLo1           DataHi1                             KScratch<n>
 238 * 3   TagLo1            TagHi1                              KScratch<n>
 239 * 4   DataLo2           DataHi2                             KScratch<n>
 240 * 5   TagLo2            TagHi2                              KScratch<n>
 241 * 6   DataLo3           DataHi3                             KScratch<n>
 242 * 7   TagLo3            TagHi3                              KScratch<n>
 243 *
 244 */
 245#define CP0_REGISTER_00     0
 246#define CP0_REGISTER_01     1
 247#define CP0_REGISTER_02     2
 248#define CP0_REGISTER_03     3
 249#define CP0_REGISTER_04     4
 250#define CP0_REGISTER_05     5
 251#define CP0_REGISTER_06     6
 252#define CP0_REGISTER_07     7
 253#define CP0_REGISTER_08     8
 254#define CP0_REGISTER_09     9
 255#define CP0_REGISTER_10    10
 256#define CP0_REGISTER_11    11
 257#define CP0_REGISTER_12    12
 258#define CP0_REGISTER_13    13
 259#define CP0_REGISTER_14    14
 260#define CP0_REGISTER_15    15
 261#define CP0_REGISTER_16    16
 262#define CP0_REGISTER_17    17
 263#define CP0_REGISTER_18    18
 264#define CP0_REGISTER_19    19
 265#define CP0_REGISTER_20    20
 266#define CP0_REGISTER_21    21
 267#define CP0_REGISTER_22    22
 268#define CP0_REGISTER_23    23
 269#define CP0_REGISTER_24    24
 270#define CP0_REGISTER_25    25
 271#define CP0_REGISTER_26    26
 272#define CP0_REGISTER_27    27
 273#define CP0_REGISTER_28    28
 274#define CP0_REGISTER_29    29
 275#define CP0_REGISTER_30    30
 276#define CP0_REGISTER_31    31
 277
 278
 279/* CP0 Register 00 */
 280#define CP0_REG00__INDEX           0
 281#define CP0_REG00__MVPCONTROL      1
 282#define CP0_REG00__MVPCONF0        2
 283#define CP0_REG00__MVPCONF1        3
 284#define CP0_REG00__VPCONTROL       4
 285/* CP0 Register 01 */
 286#define CP0_REG01__RANDOM          0
 287#define CP0_REG01__VPECONTROL      1
 288#define CP0_REG01__VPECONF0        2
 289#define CP0_REG01__VPECONF1        3
 290#define CP0_REG01__YQMASK          4
 291#define CP0_REG01__VPESCHEDULE     5
 292#define CP0_REG01__VPESCHEFBACK    6
 293#define CP0_REG01__VPEOPT          7
 294/* CP0 Register 02 */
 295#define CP0_REG02__ENTRYLO0        0
 296#define CP0_REG02__TCSTATUS        1
 297#define CP0_REG02__TCBIND          2
 298#define CP0_REG02__TCRESTART       3
 299#define CP0_REG02__TCHALT          4
 300#define CP0_REG02__TCCONTEXT       5
 301#define CP0_REG02__TCSCHEDULE      6
 302#define CP0_REG02__TCSCHEFBACK     7
 303/* CP0 Register 03 */
 304#define CP0_REG03__ENTRYLO1        0
 305#define CP0_REG03__GLOBALNUM       1
 306#define CP0_REG03__TCOPT           7
 307/* CP0 Register 04 */
 308#define CP0_REG04__CONTEXT         0
 309#define CP0_REG04__CONTEXTCONFIG   1
 310#define CP0_REG04__USERLOCAL       2
 311#define CP0_REG04__XCONTEXTCONFIG  3
 312#define CP0_REG04__DBGCONTEXTID    4
 313#define CP0_REG04__MMID            5
 314/* CP0 Register 05 */
 315#define CP0_REG05__PAGEMASK        0
 316#define CP0_REG05__PAGEGRAIN       1
 317#define CP0_REG05__SEGCTL0         2
 318#define CP0_REG05__SEGCTL1         3
 319#define CP0_REG05__SEGCTL2         4
 320#define CP0_REG05__PWBASE          5
 321#define CP0_REG05__PWFIELD         6
 322#define CP0_REG05__PWSIZE          7
 323/* CP0 Register 06 */
 324#define CP0_REG06__WIRED           0
 325#define CP0_REG06__SRSCONF0        1
 326#define CP0_REG06__SRSCONF1        2
 327#define CP0_REG06__SRSCONF2        3
 328#define CP0_REG06__SRSCONF3        4
 329#define CP0_REG06__SRSCONF4        5
 330#define CP0_REG06__PWCTL           6
 331/* CP0 Register 07 */
 332#define CP0_REG07__HWRENA          0
 333/* CP0 Register 08 */
 334#define CP0_REG08__BADVADDR        0
 335#define CP0_REG08__BADINSTR        1
 336#define CP0_REG08__BADINSTRP       2
 337#define CP0_REG08__BADINSTRX       3
 338/* CP0 Register 09 */
 339#define CP0_REG09__COUNT           0
 340#define CP0_REG09__SAARI           6
 341#define CP0_REG09__SAAR            7
 342/* CP0 Register 10 */
 343#define CP0_REG10__ENTRYHI         0
 344#define CP0_REG10__GUESTCTL1       4
 345#define CP0_REG10__GUESTCTL2       5
 346#define CP0_REG10__GUESTCTL3       6
 347/* CP0 Register 11 */
 348#define CP0_REG11__COMPARE         0
 349#define CP0_REG11__GUESTCTL0EXT    4
 350/* CP0 Register 12 */
 351#define CP0_REG12__STATUS          0
 352#define CP0_REG12__INTCTL          1
 353#define CP0_REG12__SRSCTL          2
 354#define CP0_REG12__SRSMAP          3
 355#define CP0_REG12__VIEW_IPL        4
 356#define CP0_REG12__SRSMAP2         5
 357#define CP0_REG12__GUESTCTL0       6
 358#define CP0_REG12__GTOFFSET        7
 359/* CP0 Register 13 */
 360#define CP0_REG13__CAUSE           0
 361#define CP0_REG13__VIEW_RIPL       4
 362#define CP0_REG13__NESTEDEXC       5
 363/* CP0 Register 14 */
 364#define CP0_REG14__EPC             0
 365#define CP0_REG14__NESTEDEPC       2
 366/* CP0 Register 15 */
 367#define CP0_REG15__PRID            0
 368#define CP0_REG15__EBASE           1
 369#define CP0_REG15__CDMMBASE        2
 370#define CP0_REG15__CMGCRBASE       3
 371#define CP0_REG15__BEVVA           4
 372/* CP0 Register 16 */
 373#define CP0_REG16__CONFIG          0
 374#define CP0_REG16__CONFIG1         1
 375#define CP0_REG16__CONFIG2         2
 376#define CP0_REG16__CONFIG3         3
 377#define CP0_REG16__CONFIG4         4
 378#define CP0_REG16__CONFIG5         5
 379#define CP0_REG16__CONFIG6         6
 380#define CP0_REG16__CONFIG7         7
 381/* CP0 Register 17 */
 382#define CP0_REG17__LLADDR          0
 383#define CP0_REG17__MAAR            1
 384#define CP0_REG17__MAARI           2
 385/* CP0 Register 18 */
 386#define CP0_REG18__WATCHLO0        0
 387#define CP0_REG18__WATCHLO1        1
 388#define CP0_REG18__WATCHLO2        2
 389#define CP0_REG18__WATCHLO3        3
 390#define CP0_REG18__WATCHLO4        4
 391#define CP0_REG18__WATCHLO5        5
 392#define CP0_REG18__WATCHLO6        6
 393#define CP0_REG18__WATCHLO7        7
 394/* CP0 Register 19 */
 395#define CP0_REG19__WATCHHI0        0
 396#define CP0_REG19__WATCHHI1        1
 397#define CP0_REG19__WATCHHI2        2
 398#define CP0_REG19__WATCHHI3        3
 399#define CP0_REG19__WATCHHI4        4
 400#define CP0_REG19__WATCHHI5        5
 401#define CP0_REG19__WATCHHI6        6
 402#define CP0_REG19__WATCHHI7        7
 403/* CP0 Register 20 */
 404#define CP0_REG20__XCONTEXT        0
 405/* CP0 Register 21 */
 406/* CP0 Register 22 */
 407/* CP0 Register 23 */
 408#define CP0_REG23__DEBUG           0
 409#define CP0_REG23__TRACECONTROL    1
 410#define CP0_REG23__TRACECONTROL2   2
 411#define CP0_REG23__USERTRACEDATA1  3
 412#define CP0_REG23__TRACEIBPC       4
 413#define CP0_REG23__TRACEDBPC       5
 414#define CP0_REG23__DEBUG2          6
 415/* CP0 Register 24 */
 416#define CP0_REG24__DEPC            0
 417/* CP0 Register 25 */
 418#define CP0_REG25__PERFCTL0        0
 419#define CP0_REG25__PERFCNT0        1
 420#define CP0_REG25__PERFCTL1        2
 421#define CP0_REG25__PERFCNT1        3
 422#define CP0_REG25__PERFCTL2        4
 423#define CP0_REG25__PERFCNT2        5
 424#define CP0_REG25__PERFCTL3        6
 425#define CP0_REG25__PERFCNT3        7
 426/* CP0 Register 26 */
 427#define CP0_REG26__ERRCTL          0
 428/* CP0 Register 27 */
 429#define CP0_REG27__CACHERR         0
 430/* CP0 Register 28 */
 431#define CP0_REG28__TAGLO           0
 432#define CP0_REG28__DATALO          1
 433#define CP0_REG28__TAGLO1          2
 434#define CP0_REG28__DATALO1         3
 435#define CP0_REG28__TAGLO2          4
 436#define CP0_REG28__DATALO2         5
 437#define CP0_REG28__TAGLO3          6
 438#define CP0_REG28__DATALO3         7
 439/* CP0 Register 29 */
 440#define CP0_REG29__TAGHI           0
 441#define CP0_REG29__DATAHI          1
 442#define CP0_REG29__TAGHI1          2
 443#define CP0_REG29__DATAHI1         3
 444#define CP0_REG29__TAGHI2          4
 445#define CP0_REG29__DATAHI2         5
 446#define CP0_REG29__TAGHI3          6
 447#define CP0_REG29__DATAHI3         7
 448/* CP0 Register 30 */
 449#define CP0_REG30__ERROREPC        0
 450/* CP0 Register 31 */
 451#define CP0_REG31__DESAVE          0
 452#define CP0_REG31__KSCRATCH1       2
 453#define CP0_REG31__KSCRATCH2       3
 454#define CP0_REG31__KSCRATCH3       4
 455#define CP0_REG31__KSCRATCH4       5
 456#define CP0_REG31__KSCRATCH5       6
 457#define CP0_REG31__KSCRATCH6       7
 458
 459
 460typedef struct TCState TCState;
 461struct TCState {
 462    target_ulong gpr[32];
 463#if defined(TARGET_MIPS64)
 464    /*
 465     * For CPUs using 128-bit GPR registers, we put the lower halves in gpr[])
 466     * and the upper halves in gpr_hi[].
 467     */
 468    uint64_t gpr_hi[32];
 469#endif /* TARGET_MIPS64 */
 470    target_ulong PC;
 471    target_ulong HI[MIPS_DSP_ACC];
 472    target_ulong LO[MIPS_DSP_ACC];
 473    target_ulong ACX[MIPS_DSP_ACC];
 474    target_ulong DSPControl;
 475    int32_t CP0_TCStatus;
 476#define CP0TCSt_TCU3    31
 477#define CP0TCSt_TCU2    30
 478#define CP0TCSt_TCU1    29
 479#define CP0TCSt_TCU0    28
 480#define CP0TCSt_TMX     27
 481#define CP0TCSt_RNST    23
 482#define CP0TCSt_TDS     21
 483#define CP0TCSt_DT      20
 484#define CP0TCSt_DA      15
 485#define CP0TCSt_A       13
 486#define CP0TCSt_TKSU    11
 487#define CP0TCSt_IXMT    10
 488#define CP0TCSt_TASID   0
 489    int32_t CP0_TCBind;
 490#define CP0TCBd_CurTC   21
 491#define CP0TCBd_TBE     17
 492#define CP0TCBd_CurVPE  0
 493    target_ulong CP0_TCHalt;
 494    target_ulong CP0_TCContext;
 495    target_ulong CP0_TCSchedule;
 496    target_ulong CP0_TCScheFBack;
 497    int32_t CP0_Debug_tcstatus;
 498    target_ulong CP0_UserLocal;
 499
 500    int32_t msacsr;
 501
 502#define MSACSR_FS       24
 503#define MSACSR_FS_MASK  (1 << MSACSR_FS)
 504#define MSACSR_NX       18
 505#define MSACSR_NX_MASK  (1 << MSACSR_NX)
 506#define MSACSR_CEF      2
 507#define MSACSR_CEF_MASK (0xffff << MSACSR_CEF)
 508#define MSACSR_RM       0
 509#define MSACSR_RM_MASK  (0x3 << MSACSR_RM)
 510#define MSACSR_MASK     (MSACSR_RM_MASK | MSACSR_CEF_MASK | MSACSR_NX_MASK | \
 511        MSACSR_FS_MASK)
 512
 513    float_status msa_fp_status;
 514
 515#define NUMBER_OF_MXU_REGISTERS 16
 516    target_ulong mxu_gpr[NUMBER_OF_MXU_REGISTERS - 1];
 517    target_ulong mxu_cr;
 518#define MXU_CR_LC       31
 519#define MXU_CR_RC       30
 520#define MXU_CR_BIAS     2
 521#define MXU_CR_RD_EN    1
 522#define MXU_CR_MXU_EN   0
 523
 524};
 525
 526struct MIPSITUState;
 527typedef struct CPUArchState {
 528    TCState active_tc;
 529    CPUMIPSFPUContext active_fpu;
 530
 531    uint32_t current_tc;
 532    uint32_t current_fpu;
 533
 534    uint32_t SEGBITS;
 535    uint32_t PABITS;
 536#if defined(TARGET_MIPS64)
 537# define PABITS_BASE 36
 538#else
 539# define PABITS_BASE 32
 540#endif
 541    target_ulong SEGMask;
 542    uint64_t PAMask;
 543#define PAMASK_BASE ((1ULL << PABITS_BASE) - 1)
 544
 545    int32_t msair;
 546#define MSAIR_ProcID    8
 547#define MSAIR_Rev       0
 548
 549/*
 550 * CP0 Register 0
 551 */
 552    int32_t CP0_Index;
 553    /* CP0_MVP* are per MVP registers. */
 554    int32_t CP0_VPControl;
 555#define CP0VPCtl_DIS    0
 556/*
 557 * CP0 Register 1
 558 */
 559    int32_t CP0_Random;
 560    int32_t CP0_VPEControl;
 561#define CP0VPECo_YSI    21
 562#define CP0VPECo_GSI    20
 563#define CP0VPECo_EXCPT  16
 564#define CP0VPECo_TE     15
 565#define CP0VPECo_TargTC 0
 566    int32_t CP0_VPEConf0;
 567#define CP0VPEC0_M      31
 568#define CP0VPEC0_XTC    21
 569#define CP0VPEC0_TCS    19
 570#define CP0VPEC0_SCS    18
 571#define CP0VPEC0_DSC    17
 572#define CP0VPEC0_ICS    16
 573#define CP0VPEC0_MVP    1
 574#define CP0VPEC0_VPA    0
 575    int32_t CP0_VPEConf1;
 576#define CP0VPEC1_NCX    20
 577#define CP0VPEC1_NCP2   10
 578#define CP0VPEC1_NCP1   0
 579    target_ulong CP0_YQMask;
 580    target_ulong CP0_VPESchedule;
 581    target_ulong CP0_VPEScheFBack;
 582    int32_t CP0_VPEOpt;
 583#define CP0VPEOpt_IWX7  15
 584#define CP0VPEOpt_IWX6  14
 585#define CP0VPEOpt_IWX5  13
 586#define CP0VPEOpt_IWX4  12
 587#define CP0VPEOpt_IWX3  11
 588#define CP0VPEOpt_IWX2  10
 589#define CP0VPEOpt_IWX1  9
 590#define CP0VPEOpt_IWX0  8
 591#define CP0VPEOpt_DWX7  7
 592#define CP0VPEOpt_DWX6  6
 593#define CP0VPEOpt_DWX5  5
 594#define CP0VPEOpt_DWX4  4
 595#define CP0VPEOpt_DWX3  3
 596#define CP0VPEOpt_DWX2  2
 597#define CP0VPEOpt_DWX1  1
 598#define CP0VPEOpt_DWX0  0
 599/*
 600 * CP0 Register 2
 601 */
 602    uint64_t CP0_EntryLo0;
 603/*
 604 * CP0 Register 3
 605 */
 606    uint64_t CP0_EntryLo1;
 607#if defined(TARGET_MIPS64)
 608# define CP0EnLo_RI 63
 609# define CP0EnLo_XI 62
 610#else
 611# define CP0EnLo_RI 31
 612# define CP0EnLo_XI 30
 613#endif
 614    int32_t CP0_GlobalNumber;
 615#define CP0GN_VPId 0
 616/*
 617 * CP0 Register 4
 618 */
 619    target_ulong CP0_Context;
 620    int32_t CP0_MemoryMapID;
 621/*
 622 * CP0 Register 5
 623 */
 624    int32_t CP0_PageMask;
 625#define CP0PM_MASK 13
 626    int32_t CP0_PageGrain_rw_bitmask;
 627    int32_t CP0_PageGrain;
 628#define CP0PG_RIE 31
 629#define CP0PG_XIE 30
 630#define CP0PG_ELPA 29
 631#define CP0PG_IEC 27
 632    target_ulong CP0_SegCtl0;
 633    target_ulong CP0_SegCtl1;
 634    target_ulong CP0_SegCtl2;
 635#define CP0SC_PA        9
 636#define CP0SC_PA_MASK   (0x7FULL << CP0SC_PA)
 637#define CP0SC_PA_1GMASK (0x7EULL << CP0SC_PA)
 638#define CP0SC_AM        4
 639#define CP0SC_AM_MASK   (0x7ULL << CP0SC_AM)
 640#define CP0SC_AM_UK     0ULL
 641#define CP0SC_AM_MK     1ULL
 642#define CP0SC_AM_MSK    2ULL
 643#define CP0SC_AM_MUSK   3ULL
 644#define CP0SC_AM_MUSUK  4ULL
 645#define CP0SC_AM_USK    5ULL
 646#define CP0SC_AM_UUSK   7ULL
 647#define CP0SC_EU        3
 648#define CP0SC_EU_MASK   (1ULL << CP0SC_EU)
 649#define CP0SC_C         0
 650#define CP0SC_C_MASK    (0x7ULL << CP0SC_C)
 651#define CP0SC_MASK      (CP0SC_C_MASK | CP0SC_EU_MASK | CP0SC_AM_MASK | \
 652                         CP0SC_PA_MASK)
 653#define CP0SC_1GMASK    (CP0SC_C_MASK | CP0SC_EU_MASK | CP0SC_AM_MASK | \
 654                         CP0SC_PA_1GMASK)
 655#define CP0SC0_MASK     (CP0SC_MASK | (CP0SC_MASK << 16))
 656#define CP0SC1_XAM      59
 657#define CP0SC1_XAM_MASK (0x7ULL << CP0SC1_XAM)
 658#define CP0SC1_MASK     (CP0SC_MASK | (CP0SC_MASK << 16) | CP0SC1_XAM_MASK)
 659#define CP0SC2_XR       56
 660#define CP0SC2_XR_MASK  (0xFFULL << CP0SC2_XR)
 661#define CP0SC2_MASK     (CP0SC_1GMASK | (CP0SC_1GMASK << 16) | CP0SC2_XR_MASK)
 662    target_ulong CP0_PWBase;
 663    target_ulong CP0_PWField;
 664#if defined(TARGET_MIPS64)
 665#define CP0PF_BDI  32    /* 37..32 */
 666#define CP0PF_GDI  24    /* 29..24 */
 667#define CP0PF_UDI  18    /* 23..18 */
 668#define CP0PF_MDI  12    /* 17..12 */
 669#define CP0PF_PTI  6     /* 11..6  */
 670#define CP0PF_PTEI 0     /*  5..0  */
 671#else
 672#define CP0PF_GDW  24    /* 29..24 */
 673#define CP0PF_UDW  18    /* 23..18 */
 674#define CP0PF_MDW  12    /* 17..12 */
 675#define CP0PF_PTW  6     /* 11..6  */
 676#define CP0PF_PTEW 0     /*  5..0  */
 677#endif
 678    target_ulong CP0_PWSize;
 679#if defined(TARGET_MIPS64)
 680#define CP0PS_BDW  32    /* 37..32 */
 681#endif
 682#define CP0PS_PS   30
 683#define CP0PS_GDW  24    /* 29..24 */
 684#define CP0PS_UDW  18    /* 23..18 */
 685#define CP0PS_MDW  12    /* 17..12 */
 686#define CP0PS_PTW  6     /* 11..6  */
 687#define CP0PS_PTEW 0     /*  5..0  */
 688/*
 689 * CP0 Register 6
 690 */
 691    int32_t CP0_Wired;
 692    int32_t CP0_PWCtl;
 693#define CP0PC_PWEN      31
 694#if defined(TARGET_MIPS64)
 695#define CP0PC_PWDIREXT  30
 696#define CP0PC_XK        28
 697#define CP0PC_XS        27
 698#define CP0PC_XU        26
 699#endif
 700#define CP0PC_DPH       7
 701#define CP0PC_HUGEPG    6
 702#define CP0PC_PSN       0     /*  5..0  */
 703    int32_t CP0_SRSConf0_rw_bitmask;
 704    int32_t CP0_SRSConf0;
 705#define CP0SRSC0_M      31
 706#define CP0SRSC0_SRS3   20
 707#define CP0SRSC0_SRS2   10
 708#define CP0SRSC0_SRS1   0
 709    int32_t CP0_SRSConf1_rw_bitmask;
 710    int32_t CP0_SRSConf1;
 711#define CP0SRSC1_M      31
 712#define CP0SRSC1_SRS6   20
 713#define CP0SRSC1_SRS5   10
 714#define CP0SRSC1_SRS4   0
 715    int32_t CP0_SRSConf2_rw_bitmask;
 716    int32_t CP0_SRSConf2;
 717#define CP0SRSC2_M      31
 718#define CP0SRSC2_SRS9   20
 719#define CP0SRSC2_SRS8   10
 720#define CP0SRSC2_SRS7   0
 721    int32_t CP0_SRSConf3_rw_bitmask;
 722    int32_t CP0_SRSConf3;
 723#define CP0SRSC3_M      31
 724#define CP0SRSC3_SRS12  20
 725#define CP0SRSC3_SRS11  10
 726#define CP0SRSC3_SRS10  0
 727    int32_t CP0_SRSConf4_rw_bitmask;
 728    int32_t CP0_SRSConf4;
 729#define CP0SRSC4_SRS15  20
 730#define CP0SRSC4_SRS14  10
 731#define CP0SRSC4_SRS13  0
 732/*
 733 * CP0 Register 7
 734 */
 735    int32_t CP0_HWREna;
 736/*
 737 * CP0 Register 8
 738 */
 739    target_ulong CP0_BadVAddr;
 740    uint32_t CP0_BadInstr;
 741    uint32_t CP0_BadInstrP;
 742    uint32_t CP0_BadInstrX;
 743/*
 744 * CP0 Register 9
 745 */
 746    int32_t CP0_Count;
 747    uint32_t CP0_SAARI;
 748#define CP0SAARI_TARGET 0    /*  5..0  */
 749    uint64_t CP0_SAAR[2];
 750#define CP0SAAR_BASE    12   /* 43..12 */
 751#define CP0SAAR_SIZE    1    /*  5..1  */
 752#define CP0SAAR_EN      0
 753/*
 754 * CP0 Register 10
 755 */
 756    target_ulong CP0_EntryHi;
 757#define CP0EnHi_EHINV 10
 758    target_ulong CP0_EntryHi_ASID_mask;
 759/*
 760 * CP0 Register 11
 761 */
 762    int32_t CP0_Compare;
 763/*
 764 * CP0 Register 12
 765 */
 766    int32_t CP0_Status;
 767#define CP0St_CU3   31
 768#define CP0St_CU2   30
 769#define CP0St_CU1   29
 770#define CP0St_CU0   28
 771#define CP0St_RP    27
 772#define CP0St_FR    26
 773#define CP0St_RE    25
 774#define CP0St_MX    24
 775#define CP0St_PX    23
 776#define CP0St_BEV   22
 777#define CP0St_TS    21
 778#define CP0St_SR    20
 779#define CP0St_NMI   19
 780#define CP0St_IM    8
 781#define CP0St_KX    7
 782#define CP0St_SX    6
 783#define CP0St_UX    5
 784#define CP0St_KSU   3
 785#define CP0St_ERL   2
 786#define CP0St_EXL   1
 787#define CP0St_IE    0
 788    int32_t CP0_IntCtl;
 789#define CP0IntCtl_IPTI 29
 790#define CP0IntCtl_IPPCI 26
 791#define CP0IntCtl_VS 5
 792    int32_t CP0_SRSCtl;
 793#define CP0SRSCtl_HSS 26
 794#define CP0SRSCtl_EICSS 18
 795#define CP0SRSCtl_ESS 12
 796#define CP0SRSCtl_PSS 6
 797#define CP0SRSCtl_CSS 0
 798    int32_t CP0_SRSMap;
 799#define CP0SRSMap_SSV7 28
 800#define CP0SRSMap_SSV6 24
 801#define CP0SRSMap_SSV5 20
 802#define CP0SRSMap_SSV4 16
 803#define CP0SRSMap_SSV3 12
 804#define CP0SRSMap_SSV2 8
 805#define CP0SRSMap_SSV1 4
 806#define CP0SRSMap_SSV0 0
 807/*
 808 * CP0 Register 13
 809 */
 810    int32_t CP0_Cause;
 811#define CP0Ca_BD   31
 812#define CP0Ca_TI   30
 813#define CP0Ca_CE   28
 814#define CP0Ca_DC   27
 815#define CP0Ca_PCI  26
 816#define CP0Ca_IV   23
 817#define CP0Ca_WP   22
 818#define CP0Ca_IP    8
 819#define CP0Ca_IP_mask 0x0000FF00
 820#define CP0Ca_EC    2
 821/*
 822 * CP0 Register 14
 823 */
 824    target_ulong CP0_EPC;
 825/*
 826 * CP0 Register 15
 827 */
 828    int32_t CP0_PRid;
 829    target_ulong CP0_EBase;
 830    target_ulong CP0_EBaseWG_rw_bitmask;
 831#define CP0EBase_WG 11
 832    target_ulong CP0_CMGCRBase;
 833/*
 834 * CP0 Register 16 (after Release 1)
 835 */
 836    int32_t CP0_Config0;
 837#define CP0C0_M    31
 838#define CP0C0_K23  28    /* 30..28 */
 839#define CP0C0_KU   25    /* 27..25 */
 840#define CP0C0_MDU  20
 841#define CP0C0_MM   18
 842#define CP0C0_BM   16
 843#define CP0C0_Impl 16    /* 24..16 */
 844#define CP0C0_BE   15
 845#define CP0C0_AT   13    /* 14..13 */
 846#define CP0C0_AR   10    /* 12..10 */
 847#define CP0C0_MT   7     /*  9..7  */
 848#define CP0C0_VI   3
 849#define CP0C0_K0   0     /*  2..0  */
 850#define CP0C0_AR_LENGTH 3
 851/*
 852 * CP0 Register 16 (before Release 1)
 853 */
 854#define CP0C0_Impl 16    /* 24..16 */
 855#define CP0C0_IC   9     /* 11..9 */
 856#define CP0C0_DC   6     /*  8..6 */
 857#define CP0C0_IB   5
 858#define CP0C0_DB   4
 859    int32_t CP0_Config1;
 860#define CP0C1_M    31
 861#define CP0C1_MMU  25    /* 30..25 */
 862#define CP0C1_IS   22    /* 24..22 */
 863#define CP0C1_IL   19    /* 21..19 */
 864#define CP0C1_IA   16    /* 18..16 */
 865#define CP0C1_DS   13    /* 15..13 */
 866#define CP0C1_DL   10    /* 12..10 */
 867#define CP0C1_DA   7     /*  9..7  */
 868#define CP0C1_C2   6
 869#define CP0C1_MD   5
 870#define CP0C1_PC   4
 871#define CP0C1_WR   3
 872#define CP0C1_CA   2
 873#define CP0C1_EP   1
 874#define CP0C1_FP   0
 875    int32_t CP0_Config2;
 876#define CP0C2_M    31
 877#define CP0C2_TU   28    /* 30..28 */
 878#define CP0C2_TS   24    /* 27..24 */
 879#define CP0C2_TL   20    /* 23..20 */
 880#define CP0C2_TA   16    /* 19..16 */
 881#define CP0C2_SU   12    /* 15..12 */
 882#define CP0C2_SS   8     /* 11..8  */
 883#define CP0C2_SL   4     /*  7..4  */
 884#define CP0C2_SA   0     /*  3..0  */
 885    int32_t CP0_Config3;
 886#define CP0C3_M            31
 887#define CP0C3_BPG          30
 888#define CP0C3_CMGCR        29
 889#define CP0C3_MSAP         28
 890#define CP0C3_BP           27
 891#define CP0C3_BI           26
 892#define CP0C3_SC           25
 893#define CP0C3_PW           24
 894#define CP0C3_VZ           23
 895#define CP0C3_IPLV         21    /* 22..21 */
 896#define CP0C3_MMAR         18    /* 20..18 */
 897#define CP0C3_MCU          17
 898#define CP0C3_ISA_ON_EXC   16
 899#define CP0C3_ISA          14    /* 15..14 */
 900#define CP0C3_ULRI         13
 901#define CP0C3_RXI          12
 902#define CP0C3_DSP2P        11
 903#define CP0C3_DSPP         10
 904#define CP0C3_CTXTC        9
 905#define CP0C3_ITL          8
 906#define CP0C3_LPA          7
 907#define CP0C3_VEIC         6
 908#define CP0C3_VInt         5
 909#define CP0C3_SP           4
 910#define CP0C3_CDMM         3
 911#define CP0C3_MT           2
 912#define CP0C3_SM           1
 913#define CP0C3_TL           0
 914    int32_t CP0_Config4;
 915    int32_t CP0_Config4_rw_bitmask;
 916#define CP0C4_M            31
 917#define CP0C4_IE           29    /* 30..29 */
 918#define CP0C4_AE           28
 919#define CP0C4_VTLBSizeExt  24    /* 27..24 */
 920#define CP0C4_KScrExist    16
 921#define CP0C4_MMUExtDef    14
 922#define CP0C4_FTLBPageSize 8     /* 12..8  */
 923/* bit layout if MMUExtDef=1 */
 924#define CP0C4_MMUSizeExt   0     /*  7..0  */
 925/* bit layout if MMUExtDef=2 */
 926#define CP0C4_FTLBWays     4     /*  7..4  */
 927#define CP0C4_FTLBSets     0     /*  3..0  */
 928    int32_t CP0_Config5;
 929    int32_t CP0_Config5_rw_bitmask;
 930#define CP0C5_M            31
 931#define CP0C5_K            30
 932#define CP0C5_CV           29
 933#define CP0C5_EVA          28
 934#define CP0C5_MSAEn        27
 935#define CP0C5_PMJ          23    /* 25..23 */
 936#define CP0C5_WR2          22
 937#define CP0C5_NMS          21
 938#define CP0C5_ULS          20
 939#define CP0C5_XPA          19
 940#define CP0C5_CRCP         18
 941#define CP0C5_MI           17
 942#define CP0C5_GI           15    /* 16..15 */
 943#define CP0C5_CA2          14
 944#define CP0C5_XNP          13
 945#define CP0C5_DEC          11
 946#define CP0C5_L2C          10
 947#define CP0C5_UFE          9
 948#define CP0C5_FRE          8
 949#define CP0C5_VP           7
 950#define CP0C5_SBRI         6
 951#define CP0C5_MVH          5
 952#define CP0C5_LLB          4
 953#define CP0C5_MRP          3
 954#define CP0C5_UFR          2
 955#define CP0C5_NFExists     0
 956    int32_t CP0_Config6;
 957    int32_t CP0_Config6_rw_bitmask;
 958#define CP0C6_BPPASS          31
 959#define CP0C6_KPOS            24
 960#define CP0C6_KE              23
 961#define CP0C6_VTLBONLY        22
 962#define CP0C6_LASX            21
 963#define CP0C6_SSEN            20
 964#define CP0C6_DISDRTIME       19
 965#define CP0C6_PIXNUEN         18
 966#define CP0C6_SCRAND          17
 967#define CP0C6_LLEXCEN         16
 968#define CP0C6_DISVC           15
 969#define CP0C6_VCLRU           14
 970#define CP0C6_DCLRU           13
 971#define CP0C6_PIXUEN          12
 972#define CP0C6_DISBLKLYEN      11
 973#define CP0C6_UMEMUALEN       10
 974#define CP0C6_SFBEN           8
 975#define CP0C6_FLTINT          7
 976#define CP0C6_VLTINT          6
 977#define CP0C6_DISBTB          5
 978#define CP0C6_STPREFCTL       2
 979#define CP0C6_INSTPREF        1
 980#define CP0C6_DATAPREF        0
 981    int32_t CP0_Config7;
 982    int64_t CP0_Config7_rw_bitmask;
 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    /* We waste some space so we can handle shadow registers like TCs. */
1072    TCState tcs[MIPS_SHADOW_SET_MAX];
1073    CPUMIPSFPUContext fpus[MIPS_FPU_MAX];
1074    /* QEMU */
1075    int error_code;
1076#define EXCP_TLB_NOMATCH   0x1
1077#define EXCP_INST_NOTAVAIL 0x2 /* No valid instruction word for BadInstr */
1078    uint32_t hflags;    /* CPU State */
1079    /* TMASK defines different execution modes */
1080#define MIPS_HFLAG_TMASK  0x3F5807FF
1081#define MIPS_HFLAG_MODE   0x00007 /* execution modes                    */
1082    /*
1083     * The KSU flags must be the lowest bits in hflags. The flag order
1084     * must be the same as defined for CP0 Status. This allows to use
1085     * the bits as the value of mmu_idx.
1086     */
1087#define MIPS_HFLAG_KSU    0x00003 /* kernel/supervisor/user mode mask   */
1088#define MIPS_HFLAG_UM     0x00002 /* user mode flag                     */
1089#define MIPS_HFLAG_SM     0x00001 /* supervisor mode flag               */
1090#define MIPS_HFLAG_KM     0x00000 /* kernel mode flag                   */
1091#define MIPS_HFLAG_DM     0x00004 /* Debug mode                         */
1092#define MIPS_HFLAG_64     0x00008 /* 64-bit instructions enabled        */
1093#define MIPS_HFLAG_CP0    0x00010 /* CP0 enabled                        */
1094#define MIPS_HFLAG_FPU    0x00020 /* FPU enabled                        */
1095#define MIPS_HFLAG_F64    0x00040 /* 64-bit FPU enabled                 */
1096    /*
1097     * True if the MIPS IV COP1X instructions can be used.  This also
1098     * controls the non-COP1X instructions RECIP.S, RECIP.D, RSQRT.S
1099     * and RSQRT.D.
1100     */
1101#define MIPS_HFLAG_COP1X  0x00080 /* COP1X instructions enabled         */
1102#define MIPS_HFLAG_RE     0x00100 /* Reversed endianness                */
1103#define MIPS_HFLAG_AWRAP  0x00200 /* 32-bit compatibility address wrapping */
1104#define MIPS_HFLAG_M16    0x00400 /* MIPS16 mode flag                   */
1105#define MIPS_HFLAG_M16_SHIFT 10
1106    /*
1107     * If translation is interrupted between the branch instruction and
1108     * the delay slot, record what type of branch it is so that we can
1109     * resume translation properly.  It might be possible to reduce
1110     * this from three bits to two.
1111     */
1112#define MIPS_HFLAG_BMASK_BASE  0x803800
1113#define MIPS_HFLAG_B      0x00800 /* Unconditional branch               */
1114#define MIPS_HFLAG_BC     0x01000 /* Conditional branch                 */
1115#define MIPS_HFLAG_BL     0x01800 /* Likely branch                      */
1116#define MIPS_HFLAG_BR     0x02000 /* branch to register (can't link TB) */
1117    /* Extra flags about the current pending branch.  */
1118#define MIPS_HFLAG_BMASK_EXT 0x7C000
1119#define MIPS_HFLAG_B16    0x04000 /* branch instruction was 16 bits     */
1120#define MIPS_HFLAG_BDS16  0x08000 /* branch requires 16-bit delay slot  */
1121#define MIPS_HFLAG_BDS32  0x10000 /* branch requires 32-bit delay slot  */
1122#define MIPS_HFLAG_BDS_STRICT  0x20000 /* Strict delay slot size */
1123#define MIPS_HFLAG_BX     0x40000 /* branch exchanges execution mode    */
1124#define MIPS_HFLAG_BMASK  (MIPS_HFLAG_BMASK_BASE | MIPS_HFLAG_BMASK_EXT)
1125    /* MIPS DSP resources access. */
1126#define MIPS_HFLAG_DSP    0x080000   /* Enable access to DSP resources.    */
1127#define MIPS_HFLAG_DSP_R2 0x100000   /* Enable access to DSP R2 resources. */
1128#define MIPS_HFLAG_DSP_R3 0x20000000 /* Enable access to DSP R3 resources. */
1129    /* Extra flag about HWREna register. */
1130#define MIPS_HFLAG_HWRENA_ULR 0x200000 /* ULR bit from HWREna is set. */
1131#define MIPS_HFLAG_SBRI  0x400000 /* R6 SDBBP causes RI excpt. in user mode */
1132#define MIPS_HFLAG_FBNSLOT 0x800000 /* Forbidden slot                   */
1133#define MIPS_HFLAG_MSA   0x1000000
1134#define MIPS_HFLAG_FRE   0x2000000 /* FRE enabled */
1135#define MIPS_HFLAG_ELPA  0x4000000
1136#define MIPS_HFLAG_ITC_CACHE  0x8000000 /* CACHE instr. operates on ITC tag */
1137#define MIPS_HFLAG_ERL   0x10000000 /* error level flag */
1138    target_ulong btarget;        /* Jump / branch target               */
1139    target_ulong bcond;          /* Branch condition (if needed)       */
1140
1141    int SYNCI_Step; /* Address step size for SYNCI */
1142    int CCRes; /* Cycle count resolution/divisor */
1143    uint32_t CP0_Status_rw_bitmask; /* Read/write bits in CP0_Status */
1144    uint32_t CP0_TCStatus_rw_bitmask; /* Read/write bits in CP0_TCStatus */
1145    uint64_t insn_flags; /* Supported instruction set */
1146    int saarp;
1147
1148    /* Fields up to this point are cleared by a CPU reset */
1149    struct {} end_reset_fields;
1150
1151    /* Fields from here on are preserved across CPU reset. */
1152    CPUMIPSMVPContext *mvp;
1153#if !defined(CONFIG_USER_ONLY)
1154    CPUMIPSTLBContext *tlb;
1155    void *irq[8];
1156    struct MIPSITUState *itu;
1157    MemoryRegion *itc_tag; /* ITC Configuration Tags */
1158#endif
1159
1160    const mips_def_t *cpu_model;
1161    QEMUTimer *timer; /* Internal timer */
1162    target_ulong exception_base; /* ExceptionBase input to the core */
1163    uint64_t cp0_count_ns; /* CP0_Count clock period (in nanoseconds) */
1164} CPUMIPSState;
1165
1166/**
1167 * MIPSCPU:
1168 * @env: #CPUMIPSState
1169 * @clock: this CPU input clock (may be connected
1170 *         to an output clock from another device).
1171 *
1172 * A MIPS CPU.
1173 */
1174struct ArchCPU {
1175    /*< private >*/
1176    CPUState parent_obj;
1177    /*< public >*/
1178
1179    Clock *clock;
1180    CPUNegativeOffsetState neg;
1181    CPUMIPSState env;
1182};
1183
1184
1185void mips_cpu_list(void);
1186
1187#define cpu_list mips_cpu_list
1188
1189extern void cpu_wrdsp(uint32_t rs, uint32_t mask_num, CPUMIPSState *env);
1190extern uint32_t cpu_rddsp(uint32_t mask_num, CPUMIPSState *env);
1191
1192/*
1193 * MMU modes definitions. We carefully match the indices with our
1194 * hflags layout.
1195 */
1196#define MMU_USER_IDX 2
1197
1198static inline int hflags_mmu_index(uint32_t hflags)
1199{
1200    if (hflags & MIPS_HFLAG_ERL) {
1201        return 3; /* ERL */
1202    } else {
1203        return hflags & MIPS_HFLAG_KSU;
1204    }
1205}
1206
1207static inline int cpu_mmu_index(CPUMIPSState *env, bool ifetch)
1208{
1209    return hflags_mmu_index(env->hflags);
1210}
1211
1212#include "exec/cpu-all.h"
1213
1214/* Exceptions */
1215enum {
1216    EXCP_NONE          = -1,
1217    EXCP_RESET         = 0,
1218    EXCP_SRESET,
1219    EXCP_DSS,
1220    EXCP_DINT,
1221    EXCP_DDBL,
1222    EXCP_DDBS,
1223    EXCP_NMI,
1224    EXCP_MCHECK,
1225    EXCP_EXT_INTERRUPT, /* 8 */
1226    EXCP_DFWATCH,
1227    EXCP_DIB,
1228    EXCP_IWATCH,
1229    EXCP_AdEL,
1230    EXCP_AdES,
1231    EXCP_TLBF,
1232    EXCP_IBE,
1233    EXCP_DBp, /* 16 */
1234    EXCP_SYSCALL,
1235    EXCP_BREAK,
1236    EXCP_CpU,
1237    EXCP_RI,
1238    EXCP_OVERFLOW,
1239    EXCP_TRAP,
1240    EXCP_FPE,
1241    EXCP_DWATCH, /* 24 */
1242    EXCP_LTLBL,
1243    EXCP_TLBL,
1244    EXCP_TLBS,
1245    EXCP_DBE,
1246    EXCP_THREAD,
1247    EXCP_MDMX,
1248    EXCP_C2E,
1249    EXCP_CACHE, /* 32 */
1250    EXCP_DSPDIS,
1251    EXCP_MSADIS,
1252    EXCP_MSAFPE,
1253    EXCP_TLBXI,
1254    EXCP_TLBRI,
1255    EXCP_SEMIHOST,
1256
1257    EXCP_LAST = EXCP_SEMIHOST,
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#define MIPS_CPU_TYPE_SUFFIX "-" TYPE_MIPS_CPU
1269#define MIPS_CPU_TYPE_NAME(model) model MIPS_CPU_TYPE_SUFFIX
1270#define CPU_RESOLVING_TYPE TYPE_MIPS_CPU
1271
1272bool cpu_type_supports_cps_smp(const char *cpu_type);
1273bool cpu_supports_isa(const CPUMIPSState *env, uint64_t isa_mask);
1274bool cpu_type_supports_isa(const char *cpu_type, uint64_t isa);
1275
1276/* Check presence of MSA implementation */
1277static inline bool ase_msa_available(CPUMIPSState *env)
1278{
1279    return env->CP0_Config3 & (1 << CP0C3_MSAP);
1280}
1281
1282/* Check presence of multi-threading ASE implementation */
1283static inline bool ase_mt_available(CPUMIPSState *env)
1284{
1285    return env->CP0_Config3 & (1 << CP0C3_MT);
1286}
1287
1288static inline bool cpu_type_is_64bit(const char *cpu_type)
1289{
1290    return cpu_type_supports_isa(cpu_type, CPU_MIPS64);
1291}
1292
1293void cpu_set_exception_base(int vp_index, target_ulong address);
1294
1295/* addr.c */
1296uint64_t cpu_mips_kseg0_to_phys(void *opaque, uint64_t addr);
1297uint64_t cpu_mips_phys_to_kseg0(void *opaque, uint64_t addr);
1298
1299uint64_t cpu_mips_kvm_um_phys_to_kseg0(void *opaque, uint64_t addr);
1300uint64_t cpu_mips_kseg1_to_phys(void *opaque, uint64_t addr);
1301uint64_t cpu_mips_phys_to_kseg1(void *opaque, uint64_t addr);
1302bool mips_um_ksegs_enabled(void);
1303void mips_um_ksegs_enable(void);
1304
1305#if !defined(CONFIG_USER_ONLY)
1306
1307/* mips_int.c */
1308void cpu_mips_soft_irq(CPUMIPSState *env, int irq, int level);
1309
1310/* mips_itu.c */
1311void itc_reconfigure(struct MIPSITUState *tag);
1312
1313#endif /* !CONFIG_USER_ONLY */
1314
1315/* helper.c */
1316target_ulong exception_resume_pc(CPUMIPSState *env);
1317
1318static inline void cpu_get_tb_cpu_state(CPUMIPSState *env, target_ulong *pc,
1319                                        target_ulong *cs_base, uint32_t *flags)
1320{
1321    *pc = env->active_tc.PC;
1322    *cs_base = 0;
1323    *flags = env->hflags & (MIPS_HFLAG_TMASK | MIPS_HFLAG_BMASK |
1324                            MIPS_HFLAG_HWRENA_ULR);
1325}
1326
1327/**
1328 * mips_cpu_create_with_clock:
1329 * @typename: a MIPS CPU type.
1330 * @cpu_refclk: this cpu input clock (an output clock of another device)
1331 *
1332 * Instantiates a MIPS CPU, set the input clock of the CPU to @cpu_refclk,
1333 * then realizes the CPU.
1334 *
1335 * Returns: A #CPUState or %NULL if an error occurred.
1336 */
1337MIPSCPU *mips_cpu_create_with_clock(const char *cpu_type, Clock *cpu_refclk);
1338
1339#endif /* MIPS_CPU_H */
1340