Annotation of qemu/target-mips/cpu.h, revision 1.1.1.11

1.1       root        1: #if !defined (__MIPS_CPU_H__)
                      2: #define __MIPS_CPU_H__
                      3: 
1.1.1.2   root        4: #define TARGET_HAS_ICE 1
                      5: 
1.1.1.5   root        6: #define ELF_MACHINE    EM_MIPS
                      7: 
1.1.1.8   root        8: #define CPUState struct CPUMIPSState
                      9: 
1.1.1.4   root       10: #include "config.h"
1.1       root       11: #include "mips-defs.h"
                     12: #include "cpu-defs.h"
                     13: #include "softfloat.h"
                     14: 
1.1.1.4   root       15: // uint_fast8_t and uint_fast16_t not in <sys/int_types.h>
                     16: // XXX: move that elsewhere
1.1.1.9   root       17: #if defined(CONFIG_SOLARIS) && CONFIG_SOLARIS_VERSION < 10
1.1.1.4   root       18: typedef unsigned char           uint_fast8_t;
                     19: typedef unsigned int            uint_fast16_t;
                     20: #endif
                     21: 
1.1.1.6   root       22: struct CPUMIPSState;
                     23: 
                     24: typedef struct r4k_tlb_t r4k_tlb_t;
                     25: struct r4k_tlb_t {
                     26:     target_ulong VPN;
                     27:     uint32_t PageMask;
                     28:     uint_fast8_t ASID;
                     29:     uint_fast16_t G:1;
                     30:     uint_fast16_t C0:3;
                     31:     uint_fast16_t C1:3;
                     32:     uint_fast16_t V0:1;
                     33:     uint_fast16_t V1:1;
                     34:     uint_fast16_t D0:1;
                     35:     uint_fast16_t D1:1;
                     36:     target_ulong PFN[2];
                     37: };
                     38: 
1.1.1.11! root       39: #if !defined(CONFIG_USER_ONLY)
1.1.1.6   root       40: typedef struct CPUMIPSTLBContext CPUMIPSTLBContext;
                     41: struct CPUMIPSTLBContext {
                     42:     uint32_t nb_tlb;
                     43:     uint32_t tlb_in_use;
1.1.1.9   root       44:     int (*map_address) (struct CPUMIPSState *env, target_phys_addr_t *physical, int *prot, target_ulong address, int rw, int access_type);
1.1.1.8   root       45:     void (*helper_tlbwi) (void);
                     46:     void (*helper_tlbwr) (void);
                     47:     void (*helper_tlbp) (void);
                     48:     void (*helper_tlbr) (void);
1.1.1.6   root       49:     union {
                     50:         struct {
                     51:             r4k_tlb_t tlb[MIPS_TLB_MAX];
                     52:         } r4k;
                     53:     } mmu;
                     54: };
1.1.1.11! root       55: #endif
1.1.1.5   root       56: 
1.1       root       57: typedef union fpr_t fpr_t;
                     58: union fpr_t {
1.1.1.4   root       59:     float64  fd;   /* ieee double precision */
                     60:     float32  fs[2];/* ieee single precision */
1.1.1.6   root       61:     uint64_t d;    /* binary double fixed-point */
1.1.1.4   root       62:     uint32_t w[2]; /* binary single fixed-point */
1.1       root       63: };
1.1.1.4   root       64: /* define FP_ENDIAN_IDX to access the same location
                     65:  * in the fpr_t union regardless of the host endianess
                     66:  */
1.1.1.9   root       67: #if defined(HOST_WORDS_BIGENDIAN)
1.1.1.4   root       68: #  define FP_ENDIAN_IDX 1
                     69: #else
                     70: #  define FP_ENDIAN_IDX 0
                     71: #endif
1.1       root       72: 
1.1.1.6   root       73: typedef struct CPUMIPSFPUContext CPUMIPSFPUContext;
                     74: struct CPUMIPSFPUContext {
1.1       root       75:     /* Floating point registers */
1.1.1.6   root       76:     fpr_t fpr[32];
1.1.1.4   root       77:     float_status fp_status;
1.1.1.6   root       78:     /* fpu implementation/revision register (fir) */
1.1       root       79:     uint32_t fcr0;
1.1.1.6   root       80: #define FCR0_F64 22
                     81: #define FCR0_L 21
                     82: #define FCR0_W 20
                     83: #define FCR0_3D 19
                     84: #define FCR0_PS 18
                     85: #define FCR0_D 17
                     86: #define FCR0_S 16
                     87: #define FCR0_PRID 8
                     88: #define FCR0_REV 0
1.1.1.4   root       89:     /* fcsr */
                     90:     uint32_t fcr31;
1.1.1.7   root       91: #define SET_FP_COND(num,env)     do { ((env).fcr31) |= ((num) ? (1 << ((num) + 24)) : (1 << 23)); } while(0)
                     92: #define CLEAR_FP_COND(num,env)   do { ((env).fcr31) &= ~((num) ? (1 << ((num) + 24)) : (1 << 23)); } while(0)
                     93: #define GET_FP_COND(env)         ((((env).fcr31 >> 24) & 0xfe) | (((env).fcr31 >> 23) & 0x1))
1.1.1.6   root       94: #define GET_FP_CAUSE(reg)        (((reg) >> 12) & 0x3f)
                     95: #define GET_FP_ENABLE(reg)       (((reg) >>  7) & 0x1f)
                     96: #define GET_FP_FLAGS(reg)        (((reg) >>  2) & 0x1f)
                     97: #define SET_FP_CAUSE(reg,v)      do { (reg) = ((reg) & ~(0x3f << 12)) | ((v & 0x3f) << 12); } while(0)
                     98: #define SET_FP_ENABLE(reg,v)     do { (reg) = ((reg) & ~(0x1f <<  7)) | ((v & 0x1f) << 7); } while(0)
                     99: #define SET_FP_FLAGS(reg,v)      do { (reg) = ((reg) & ~(0x1f <<  2)) | ((v & 0x1f) << 2); } while(0)
                    100: #define UPDATE_FP_FLAGS(reg,v)   do { (reg) |= ((v & 0x1f) << 2); } while(0)
1.1.1.4   root      101: #define FP_INEXACT        1
                    102: #define FP_UNDERFLOW      2
                    103: #define FP_OVERFLOW       4
                    104: #define FP_DIV0           8
                    105: #define FP_INVALID        16
                    106: #define FP_UNIMPLEMENTED  32
1.1.1.6   root      107: };
                    108: 
                    109: #define NB_MMU_MODES 3
                    110: 
                    111: typedef struct CPUMIPSMVPContext CPUMIPSMVPContext;
                    112: struct CPUMIPSMVPContext {
                    113:     int32_t CP0_MVPControl;
                    114: #define CP0MVPCo_CPA   3
                    115: #define CP0MVPCo_STLB  2
                    116: #define CP0MVPCo_VPC   1
                    117: #define CP0MVPCo_EVP   0
                    118:     int32_t CP0_MVPConf0;
                    119: #define CP0MVPC0_M     31
                    120: #define CP0MVPC0_TLBS  29
                    121: #define CP0MVPC0_GS    28
                    122: #define CP0MVPC0_PCP   27
                    123: #define CP0MVPC0_PTLBE 16
                    124: #define CP0MVPC0_TCA   15
                    125: #define CP0MVPC0_PVPE  10
                    126: #define CP0MVPC0_PTC   0
                    127:     int32_t CP0_MVPConf1;
                    128: #define CP0MVPC1_CIM   31
                    129: #define CP0MVPC1_CIF   30
                    130: #define CP0MVPC1_PCX   20
                    131: #define CP0MVPC1_PCP2  10
                    132: #define CP0MVPC1_PCP1  0
                    133: };
                    134: 
                    135: typedef struct mips_def_t mips_def_t;
                    136: 
                    137: #define MIPS_SHADOW_SET_MAX 16
                    138: #define MIPS_TC_MAX 5
1.1.1.7   root      139: #define MIPS_FPU_MAX 1
1.1.1.6   root      140: #define MIPS_DSP_ACC 4
                    141: 
1.1.1.7   root      142: typedef struct TCState TCState;
                    143: struct TCState {
                    144:     target_ulong gpr[32];
                    145:     target_ulong PC;
                    146:     target_ulong HI[MIPS_DSP_ACC];
                    147:     target_ulong LO[MIPS_DSP_ACC];
                    148:     target_ulong ACX[MIPS_DSP_ACC];
                    149:     target_ulong DSPControl;
                    150:     int32_t CP0_TCStatus;
                    151: #define CP0TCSt_TCU3   31
                    152: #define CP0TCSt_TCU2   30
                    153: #define CP0TCSt_TCU1   29
                    154: #define CP0TCSt_TCU0   28
                    155: #define CP0TCSt_TMX    27
                    156: #define CP0TCSt_RNST   23
                    157: #define CP0TCSt_TDS    21
                    158: #define CP0TCSt_DT     20
                    159: #define CP0TCSt_DA     15
                    160: #define CP0TCSt_A      13
                    161: #define CP0TCSt_TKSU   11
                    162: #define CP0TCSt_IXMT   10
                    163: #define CP0TCSt_TASID  0
                    164:     int32_t CP0_TCBind;
                    165: #define CP0TCBd_CurTC  21
                    166: #define CP0TCBd_TBE    17
                    167: #define CP0TCBd_CurVPE 0
                    168:     target_ulong CP0_TCHalt;
                    169:     target_ulong CP0_TCContext;
                    170:     target_ulong CP0_TCSchedule;
                    171:     target_ulong CP0_TCScheFBack;
                    172:     int32_t CP0_Debug_tcstatus;
                    173: };
                    174: 
1.1.1.6   root      175: typedef struct CPUMIPSState CPUMIPSState;
                    176: struct CPUMIPSState {
1.1.1.7   root      177:     TCState active_tc;
                    178:     CPUMIPSFPUContext active_fpu;
1.1.1.6   root      179: 
                    180:     uint32_t current_tc;
1.1.1.7   root      181:     uint32_t current_fpu;
1.1.1.6   root      182: 
                    183:     uint32_t SEGBITS;
                    184:     uint32_t PABITS;
1.1.1.7   root      185:     target_ulong SEGMask;
1.1.1.6   root      186:     target_ulong PAMask;
                    187: 
1.1.1.5   root      188:     int32_t CP0_Index;
1.1.1.6   root      189:     /* CP0_MVP* are per MVP registers. */
1.1.1.5   root      190:     int32_t CP0_Random;
1.1.1.6   root      191:     int32_t CP0_VPEControl;
                    192: #define CP0VPECo_YSI   21
                    193: #define CP0VPECo_GSI   20
                    194: #define CP0VPECo_EXCPT 16
                    195: #define CP0VPECo_TE    15
                    196: #define CP0VPECo_TargTC        0
                    197:     int32_t CP0_VPEConf0;
                    198: #define CP0VPEC0_M     31
                    199: #define CP0VPEC0_XTC   21
                    200: #define CP0VPEC0_TCS   19
                    201: #define CP0VPEC0_SCS   18
                    202: #define CP0VPEC0_DSC   17
                    203: #define CP0VPEC0_ICS   16
                    204: #define CP0VPEC0_MVP   1
                    205: #define CP0VPEC0_VPA   0
                    206:     int32_t CP0_VPEConf1;
                    207: #define CP0VPEC1_NCX   20
                    208: #define CP0VPEC1_NCP2  10
                    209: #define CP0VPEC1_NCP1  0
                    210:     target_ulong CP0_YQMask;
                    211:     target_ulong CP0_VPESchedule;
                    212:     target_ulong CP0_VPEScheFBack;
                    213:     int32_t CP0_VPEOpt;
                    214: #define CP0VPEOpt_IWX7 15
                    215: #define CP0VPEOpt_IWX6 14
                    216: #define CP0VPEOpt_IWX5 13
                    217: #define CP0VPEOpt_IWX4 12
                    218: #define CP0VPEOpt_IWX3 11
                    219: #define CP0VPEOpt_IWX2 10
                    220: #define CP0VPEOpt_IWX1 9
                    221: #define CP0VPEOpt_IWX0 8
                    222: #define CP0VPEOpt_DWX7 7
                    223: #define CP0VPEOpt_DWX6 6
                    224: #define CP0VPEOpt_DWX5 5
                    225: #define CP0VPEOpt_DWX4 4
                    226: #define CP0VPEOpt_DWX3 3
                    227: #define CP0VPEOpt_DWX2 2
                    228: #define CP0VPEOpt_DWX1 1
                    229: #define CP0VPEOpt_DWX0 0
1.1.1.5   root      230:     target_ulong CP0_EntryLo0;
                    231:     target_ulong CP0_EntryLo1;
                    232:     target_ulong CP0_Context;
                    233:     int32_t CP0_PageMask;
                    234:     int32_t CP0_PageGrain;
                    235:     int32_t CP0_Wired;
1.1.1.6   root      236:     int32_t CP0_SRSConf0_rw_bitmask;
                    237:     int32_t CP0_SRSConf0;
                    238: #define CP0SRSC0_M     31
                    239: #define CP0SRSC0_SRS3  20
                    240: #define CP0SRSC0_SRS2  10
                    241: #define CP0SRSC0_SRS1  0
                    242:     int32_t CP0_SRSConf1_rw_bitmask;
                    243:     int32_t CP0_SRSConf1;
                    244: #define CP0SRSC1_M     31
                    245: #define CP0SRSC1_SRS6  20
                    246: #define CP0SRSC1_SRS5  10
                    247: #define CP0SRSC1_SRS4  0
                    248:     int32_t CP0_SRSConf2_rw_bitmask;
                    249:     int32_t CP0_SRSConf2;
                    250: #define CP0SRSC2_M     31
                    251: #define CP0SRSC2_SRS9  20
                    252: #define CP0SRSC2_SRS8  10
                    253: #define CP0SRSC2_SRS7  0
                    254:     int32_t CP0_SRSConf3_rw_bitmask;
                    255:     int32_t CP0_SRSConf3;
                    256: #define CP0SRSC3_M     31
                    257: #define CP0SRSC3_SRS12 20
                    258: #define CP0SRSC3_SRS11 10
                    259: #define CP0SRSC3_SRS10 0
                    260:     int32_t CP0_SRSConf4_rw_bitmask;
                    261:     int32_t CP0_SRSConf4;
                    262: #define CP0SRSC4_SRS15 20
                    263: #define CP0SRSC4_SRS14 10
                    264: #define CP0SRSC4_SRS13 0
1.1.1.5   root      265:     int32_t CP0_HWREna;
                    266:     target_ulong CP0_BadVAddr;
                    267:     int32_t CP0_Count;
                    268:     target_ulong CP0_EntryHi;
                    269:     int32_t CP0_Compare;
                    270:     int32_t CP0_Status;
1.1       root      271: #define CP0St_CU3   31
                    272: #define CP0St_CU2   30
                    273: #define CP0St_CU1   29
                    274: #define CP0St_CU0   28
                    275: #define CP0St_RP    27
1.1.1.4   root      276: #define CP0St_FR    26
1.1       root      277: #define CP0St_RE    25
1.1.1.5   root      278: #define CP0St_MX    24
                    279: #define CP0St_PX    23
1.1       root      280: #define CP0St_BEV   22
                    281: #define CP0St_TS    21
                    282: #define CP0St_SR    20
                    283: #define CP0St_NMI   19
                    284: #define CP0St_IM    8
1.1.1.5   root      285: #define CP0St_KX    7
                    286: #define CP0St_SX    6
                    287: #define CP0St_UX    5
1.1.1.6   root      288: #define CP0St_KSU   3
1.1       root      289: #define CP0St_ERL   2
                    290: #define CP0St_EXL   1
                    291: #define CP0St_IE    0
1.1.1.5   root      292:     int32_t CP0_IntCtl;
1.1.1.6   root      293: #define CP0IntCtl_IPTI 29
                    294: #define CP0IntCtl_IPPC1 26
                    295: #define CP0IntCtl_VS 5
1.1.1.5   root      296:     int32_t CP0_SRSCtl;
1.1.1.6   root      297: #define CP0SRSCtl_HSS 26
                    298: #define CP0SRSCtl_EICSS 18
                    299: #define CP0SRSCtl_ESS 12
                    300: #define CP0SRSCtl_PSS 6
                    301: #define CP0SRSCtl_CSS 0
1.1.1.5   root      302:     int32_t CP0_SRSMap;
1.1.1.6   root      303: #define CP0SRSMap_SSV7 28
                    304: #define CP0SRSMap_SSV6 24
                    305: #define CP0SRSMap_SSV5 20
                    306: #define CP0SRSMap_SSV4 16
                    307: #define CP0SRSMap_SSV3 12
                    308: #define CP0SRSMap_SSV2 8
                    309: #define CP0SRSMap_SSV1 4
                    310: #define CP0SRSMap_SSV0 0
1.1.1.5   root      311:     int32_t CP0_Cause;
                    312: #define CP0Ca_BD   31
                    313: #define CP0Ca_TI   30
                    314: #define CP0Ca_CE   28
                    315: #define CP0Ca_DC   27
                    316: #define CP0Ca_PCI  26
1.1       root      317: #define CP0Ca_IV   23
1.1.1.5   root      318: #define CP0Ca_WP   22
                    319: #define CP0Ca_IP    8
                    320: #define CP0Ca_IP_mask 0x0000FF00
                    321: #define CP0Ca_EC    2
                    322:     target_ulong CP0_EPC;
                    323:     int32_t CP0_PRid;
                    324:     int32_t CP0_EBase;
                    325:     int32_t CP0_Config0;
1.1       root      326: #define CP0C0_M    31
                    327: #define CP0C0_K23  28
                    328: #define CP0C0_KU   25
                    329: #define CP0C0_MDU  20
                    330: #define CP0C0_MM   17
                    331: #define CP0C0_BM   16
                    332: #define CP0C0_BE   15
                    333: #define CP0C0_AT   13
                    334: #define CP0C0_AR   10
                    335: #define CP0C0_MT   7
1.1.1.5   root      336: #define CP0C0_VI   3
1.1       root      337: #define CP0C0_K0   0
1.1.1.5   root      338:     int32_t CP0_Config1;
                    339: #define CP0C1_M    31
1.1       root      340: #define CP0C1_MMU  25
                    341: #define CP0C1_IS   22
                    342: #define CP0C1_IL   19
                    343: #define CP0C1_IA   16
                    344: #define CP0C1_DS   13
                    345: #define CP0C1_DL   10
                    346: #define CP0C1_DA   7
1.1.1.5   root      347: #define CP0C1_C2   6
                    348: #define CP0C1_MD   5
1.1       root      349: #define CP0C1_PC   4
                    350: #define CP0C1_WR   3
                    351: #define CP0C1_CA   2
                    352: #define CP0C1_EP   1
                    353: #define CP0C1_FP   0
1.1.1.5   root      354:     int32_t CP0_Config2;
                    355: #define CP0C2_M    31
                    356: #define CP0C2_TU   28
                    357: #define CP0C2_TS   24
                    358: #define CP0C2_TL   20
                    359: #define CP0C2_TA   16
                    360: #define CP0C2_SU   12
                    361: #define CP0C2_SS   8
                    362: #define CP0C2_SL   4
                    363: #define CP0C2_SA   0
                    364:     int32_t CP0_Config3;
                    365: #define CP0C3_M    31
1.1.1.11! root      366: #define CP0C3_ISA_ON_EXC 16
1.1.1.5   root      367: #define CP0C3_DSPP 10
                    368: #define CP0C3_LPA  7
                    369: #define CP0C3_VEIC 6
                    370: #define CP0C3_VInt 5
                    371: #define CP0C3_SP   4
                    372: #define CP0C3_MT   2
                    373: #define CP0C3_SM   1
                    374: #define CP0C3_TL   0
1.1.1.6   root      375:     int32_t CP0_Config6;
                    376:     int32_t CP0_Config7;
                    377:     /* XXX: Maybe make LLAddr per-TC? */
1.1.1.9   root      378:     target_ulong lladdr;
1.1.1.8   root      379:     target_ulong llval;
                    380:     target_ulong llnewval;
                    381:     target_ulong llreg;
1.1.1.9   root      382:     target_ulong CP0_LLAddr_rw_bitmask;
                    383:     int CP0_LLAddr_shift;
1.1.1.6   root      384:     target_ulong CP0_WatchLo[8];
                    385:     int32_t CP0_WatchHi[8];
1.1.1.5   root      386:     target_ulong CP0_XContext;
                    387:     int32_t CP0_Framemask;
                    388:     int32_t CP0_Debug;
1.1.1.6   root      389: #define CP0DB_DBD  31
1.1       root      390: #define CP0DB_DM   30
                    391: #define CP0DB_LSNM 28
                    392: #define CP0DB_Doze 27
                    393: #define CP0DB_Halt 26
                    394: #define CP0DB_CNT  25
                    395: #define CP0DB_IBEP 24
                    396: #define CP0DB_DBEP 21
                    397: #define CP0DB_IEXI 20
                    398: #define CP0DB_VER  15
                    399: #define CP0DB_DEC  10
                    400: #define CP0DB_SSt  8
                    401: #define CP0DB_DINT 5
                    402: #define CP0DB_DIB  4
                    403: #define CP0DB_DDBS 3
                    404: #define CP0DB_DDBL 2
                    405: #define CP0DB_DBp  1
                    406: #define CP0DB_DSS  0
1.1.1.5   root      407:     target_ulong CP0_DEPC;
                    408:     int32_t CP0_Performance0;
                    409:     int32_t CP0_TagLo;
                    410:     int32_t CP0_DataLo;
                    411:     int32_t CP0_TagHi;
                    412:     int32_t CP0_DataHi;
                    413:     target_ulong CP0_ErrorEPC;
                    414:     int32_t CP0_DESAVE;
1.1.1.7   root      415:     /* We waste some space so we can handle shadow registers like TCs. */
                    416:     TCState tcs[MIPS_SHADOW_SET_MAX];
                    417:     CPUMIPSFPUContext fpus[MIPS_FPU_MAX];
1.1       root      418:     /* Qemu */
                    419:     int error_code;
                    420:     uint32_t hflags;    /* CPU State */
                    421:     /* TMASK defines different execution modes */
1.1.1.11! root      422: #define MIPS_HFLAG_TMASK  0x007FF
        !           423: #define MIPS_HFLAG_MODE   0x00007 /* execution modes                    */
1.1.1.6   root      424:     /* The KSU flags must be the lowest bits in hflags. The flag order
                    425:        must be the same as defined for CP0 Status. This allows to use
                    426:        the bits as the value of mmu_idx. */
1.1.1.11! root      427: #define MIPS_HFLAG_KSU    0x00003 /* kernel/supervisor/user mode mask   */
        !           428: #define MIPS_HFLAG_UM     0x00002 /* user mode flag                     */
        !           429: #define MIPS_HFLAG_SM     0x00001 /* supervisor mode flag               */
        !           430: #define MIPS_HFLAG_KM     0x00000 /* kernel mode flag                   */
        !           431: #define MIPS_HFLAG_DM     0x00004 /* Debug mode                         */
        !           432: #define MIPS_HFLAG_64     0x00008 /* 64-bit instructions enabled        */
        !           433: #define MIPS_HFLAG_CP0    0x00010 /* CP0 enabled                        */
        !           434: #define MIPS_HFLAG_FPU    0x00020 /* FPU enabled                        */
        !           435: #define MIPS_HFLAG_F64    0x00040 /* 64-bit FPU enabled                 */
1.1.1.6   root      436:     /* True if the MIPS IV COP1X instructions can be used.  This also
                    437:        controls the non-COP1X instructions RECIP.S, RECIP.D, RSQRT.S
                    438:        and RSQRT.D.  */
1.1.1.11! root      439: #define MIPS_HFLAG_COP1X  0x00080 /* COP1X instructions enabled         */
        !           440: #define MIPS_HFLAG_RE     0x00100 /* Reversed endianness                */
        !           441: #define MIPS_HFLAG_UX     0x00200 /* 64-bit user mode                   */
        !           442: #define MIPS_HFLAG_M16    0x00400 /* MIPS16 mode flag                   */
        !           443: #define MIPS_HFLAG_M16_SHIFT 10
1.1.1.2   root      444:     /* If translation is interrupted between the branch instruction and
                    445:      * the delay slot, record what type of branch it is so that we can
                    446:      * resume translation properly.  It might be possible to reduce
                    447:      * this from three bits to two.  */
1.1.1.11! root      448: #define MIPS_HFLAG_BMASK_BASE  0x03800
        !           449: #define MIPS_HFLAG_B      0x00800 /* Unconditional branch               */
        !           450: #define MIPS_HFLAG_BC     0x01000 /* Conditional branch                 */
        !           451: #define MIPS_HFLAG_BL     0x01800 /* Likely branch                      */
        !           452: #define MIPS_HFLAG_BR     0x02000 /* branch to register (can't link TB) */
        !           453:     /* Extra flags about the current pending branch.  */
        !           454: #define MIPS_HFLAG_BMASK_EXT 0x3C000
        !           455: #define MIPS_HFLAG_B16    0x04000 /* branch instruction was 16 bits     */
        !           456: #define MIPS_HFLAG_BDS16  0x08000 /* branch requires 16-bit delay slot  */
        !           457: #define MIPS_HFLAG_BDS32  0x10000 /* branch requires 32-bit delay slot  */
        !           458: #define MIPS_HFLAG_BX     0x20000 /* branch exchanges execution mode    */
        !           459: #define MIPS_HFLAG_BMASK  (MIPS_HFLAG_BMASK_BASE | MIPS_HFLAG_BMASK_EXT)
1.1       root      460:     target_ulong btarget;        /* Jump / branch target               */
1.1.1.8   root      461:     target_ulong bcond;          /* Branch condition (if needed)       */
1.1.1.2   root      462: 
1.1.1.5   root      463:     int SYNCI_Step; /* Address step size for SYNCI */
                    464:     int CCRes; /* Cycle count resolution/divisor */
1.1.1.6   root      465:     uint32_t CP0_Status_rw_bitmask; /* Read/write bits in CP0_Status */
                    466:     uint32_t CP0_TCStatus_rw_bitmask; /* Read/write bits in CP0_TCStatus */
                    467:     int insn_flags; /* Supported instruction set */
                    468: 
1.1.1.7   root      469:     target_ulong tls_value; /* For usermode emulation */
1.1.1.5   root      470: 
1.1.1.2   root      471:     CPU_COMMON
1.1.1.5   root      472: 
1.1.1.9   root      473:     CPUMIPSMVPContext *mvp;
1.1.1.11! root      474: #if !defined(CONFIG_USER_ONLY)
1.1.1.9   root      475:     CPUMIPSTLBContext *tlb;
1.1.1.11! root      476: #endif
1.1.1.9   root      477: 
1.1.1.6   root      478:     const mips_def_t *cpu_model;
                    479:     void *irq[8];
1.1.1.5   root      480:     struct QEMUTimer *timer; /* Internal timer */
1.1       root      481: };
                    482: 
1.1.1.11! root      483: #if !defined(CONFIG_USER_ONLY)
1.1.1.9   root      484: int no_mmu_map_address (CPUMIPSState *env, target_phys_addr_t *physical, int *prot,
1.1.1.6   root      485:                         target_ulong address, int rw, int access_type);
1.1.1.9   root      486: int fixed_mmu_map_address (CPUMIPSState *env, target_phys_addr_t *physical, int *prot,
1.1.1.6   root      487:                            target_ulong address, int rw, int access_type);
1.1.1.9   root      488: int r4k_map_address (CPUMIPSState *env, target_phys_addr_t *physical, int *prot,
1.1.1.6   root      489:                      target_ulong address, int rw, int access_type);
1.1.1.8   root      490: void r4k_helper_tlbwi (void);
                    491: void r4k_helper_tlbwr (void);
                    492: void r4k_helper_tlbp (void);
                    493: void r4k_helper_tlbr (void);
1.1.1.6   root      494: 
                    495: void do_unassigned_access(target_phys_addr_t addr, int is_write, int is_exec,
1.1.1.7   root      496:                           int unused, int size);
1.1.1.11! root      497: #endif
        !           498: 
        !           499: void mips_cpu_list (FILE *f, int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
1.1.1.6   root      500: 
                    501: #define cpu_init cpu_mips_init
                    502: #define cpu_exec cpu_mips_exec
                    503: #define cpu_gen_code cpu_mips_gen_code
                    504: #define cpu_signal_handler cpu_mips_signal_handler
                    505: #define cpu_list mips_cpu_list
                    506: 
1.1.1.7   root      507: #define CPU_SAVE_VERSION 3
                    508: 
1.1.1.6   root      509: /* MMU modes definitions. We carefully match the indices with our
                    510:    hflags layout. */
                    511: #define MMU_MODE0_SUFFIX _kernel
                    512: #define MMU_MODE1_SUFFIX _super
                    513: #define MMU_MODE2_SUFFIX _user
                    514: #define MMU_USER_IDX 2
                    515: static inline int cpu_mmu_index (CPUState *env)
                    516: {
                    517:     return env->hflags & MIPS_HFLAG_KSU;
                    518: }
                    519: 
1.1.1.7   root      520: static inline void cpu_clone_regs(CPUState *env, target_ulong newsp)
                    521: {
                    522:     if (newsp)
                    523:         env->active_tc.gpr[29] = newsp;
                    524:     env->active_tc.gpr[7] = 0;
                    525:     env->active_tc.gpr[2] = 0;
                    526: }
                    527: 
1.1       root      528: #include "cpu-all.h"
                    529: 
                    530: /* Memory access type :
                    531:  * may be needed for precise access rights control and precise exceptions.
                    532:  */
                    533: enum {
                    534:     /* 1 bit to define user level / supervisor access */
                    535:     ACCESS_USER  = 0x00,
                    536:     ACCESS_SUPER = 0x01,
                    537:     /* 1 bit to indicate direction */
                    538:     ACCESS_STORE = 0x02,
                    539:     /* Type of instruction that generated the access */
                    540:     ACCESS_CODE  = 0x10, /* Code fetch access                */
                    541:     ACCESS_INT   = 0x20, /* Integer load/store access        */
                    542:     ACCESS_FLOAT = 0x30, /* floating point load/store access */
                    543: };
                    544: 
                    545: /* Exceptions */
                    546: enum {
                    547:     EXCP_NONE          = -1,
                    548:     EXCP_RESET         = 0,
                    549:     EXCP_SRESET,
                    550:     EXCP_DSS,
                    551:     EXCP_DINT,
1.1.1.6   root      552:     EXCP_DDBL,
                    553:     EXCP_DDBS,
1.1       root      554:     EXCP_NMI,
                    555:     EXCP_MCHECK,
1.1.1.6   root      556:     EXCP_EXT_INTERRUPT, /* 8 */
1.1       root      557:     EXCP_DFWATCH,
1.1.1.6   root      558:     EXCP_DIB,
1.1       root      559:     EXCP_IWATCH,
                    560:     EXCP_AdEL,
                    561:     EXCP_AdES,
                    562:     EXCP_TLBF,
                    563:     EXCP_IBE,
1.1.1.6   root      564:     EXCP_DBp, /* 16 */
1.1       root      565:     EXCP_SYSCALL,
1.1.1.6   root      566:     EXCP_BREAK,
1.1.1.2   root      567:     EXCP_CpU,
1.1       root      568:     EXCP_RI,
                    569:     EXCP_OVERFLOW,
                    570:     EXCP_TRAP,
1.1.1.6   root      571:     EXCP_FPE,
                    572:     EXCP_DWATCH, /* 24 */
1.1       root      573:     EXCP_LTLBL,
                    574:     EXCP_TLBL,
                    575:     EXCP_TLBS,
                    576:     EXCP_DBE,
1.1.1.6   root      577:     EXCP_THREAD,
                    578:     EXCP_MDMX,
                    579:     EXCP_C2E,
                    580:     EXCP_CACHE, /* 32 */
                    581: 
                    582:     EXCP_LAST = EXCP_CACHE,
1.1       root      583: };
1.1.1.8   root      584: /* Dummy exception for conditional stores.  */
                    585: #define EXCP_SC 0x100
1.1       root      586: 
                    587: int cpu_mips_exec(CPUMIPSState *s);
1.1.1.6   root      588: CPUMIPSState *cpu_mips_init(const char *cpu_model);
1.1.1.7   root      589: //~ uint32_t cpu_mips_get_clock (void);
1.1.1.6   root      590: int cpu_mips_signal_handler(int host_signum, void *pinfo, void *puc);
1.1       root      591: 
1.1.1.7   root      592: /* mips_timer.c */
                    593: uint32_t cpu_mips_get_random (CPUState *env);
                    594: uint32_t cpu_mips_get_count (CPUState *env);
                    595: void cpu_mips_store_count (CPUState *env, uint32_t value);
                    596: void cpu_mips_store_compare (CPUState *env, uint32_t value);
                    597: void cpu_mips_start_count(CPUState *env);
                    598: void cpu_mips_stop_count(CPUState *env);
                    599: 
                    600: /* mips_int.c */
1.1.1.11! root      601: void cpu_mips_soft_irq(CPUState *env, int irq, int level);
1.1.1.7   root      602: 
                    603: /* helper.c */
                    604: int cpu_mips_handle_mmu_fault (CPUState *env, target_ulong address, int rw,
                    605:                                int mmu_idx, int is_softmmu);
1.1.1.9   root      606: #define cpu_handle_mmu_fault cpu_mips_handle_mmu_fault
1.1.1.7   root      607: void do_interrupt (CPUState *env);
1.1.1.11! root      608: #if !defined(CONFIG_USER_ONLY)
1.1.1.7   root      609: void r4k_invalidate_tlb (CPUState *env, int idx, int use_extra);
1.1.1.10  root      610: target_phys_addr_t cpu_mips_translate_address (CPUState *env, target_ulong address,
                    611:                                               int rw);
1.1.1.11! root      612: #endif
1.1.1.7   root      613: 
                    614: static inline void cpu_get_tb_cpu_state(CPUState *env, target_ulong *pc,
                    615:                                         target_ulong *cs_base, int *flags)
                    616: {
                    617:     *pc = env->active_tc.PC;
                    618:     *cs_base = 0;
                    619:     *flags = env->hflags & (MIPS_HFLAG_TMASK | MIPS_HFLAG_BMASK);
                    620: }
                    621: 
1.1.1.8   root      622: static inline void cpu_set_tls(CPUState *env, target_ulong newtls)
                    623: {
                    624:     env->tls_value = newtls;
                    625: }
                    626: 
1.1       root      627: #endif /* !defined (__MIPS_CPU_H__) */

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