Annotation of cf/mips64.h, revision 1.1.1.5

1.1       root        1: /*
                      2:  * Cisco 7200 (Predator) simulation platform.
                      3:  * Copyright (c) 2005,2006 Christophe Fillot ([email protected])
                      4:  */
                      5: 
                      6: #ifndef __MIPS_64_H__
                      7: #define __MIPS_64_H__
                      8: 
                      9: #include <pthread.h>
                     10: 
                     11: #include "utils.h" 
                     12: #include "rbtree.h"
                     13: 
1.1.1.4   root       14: /* 
                     15:  * MIPS General Purpose Registers 
                     16:  */
                     17: #define MIPS_GPR_ZERO        0             /*  zero  */
                     18: #define MIPS_GPR_AT          1             /*  at  */
                     19: #define MIPS_GPR_V0          2             /*  v0  */
                     20: #define MIPS_GPR_V1          3             /*  v1  */
                     21: #define MIPS_GPR_A0          4             /*  a0  */
                     22: #define MIPS_GPR_A1          5             /*  a1  */
                     23: #define MIPS_GPR_A2          6             /*  a2  */
                     24: #define MIPS_GPR_A3          7             /*  a3  */
                     25: #define MIPS_GPR_T0          8             /*  t0  */
                     26: #define MIPS_GPR_T1          9             /*  t1  */
                     27: #define MIPS_GPR_T2          10            /*  t2  */
                     28: #define MIPS_GPR_T3          11            /*  t3  */
                     29: #define MIPS_GPR_T4          12            /*  t4  */
                     30: #define MIPS_GPR_T5          13            /*  t5  */
                     31: #define MIPS_GPR_T6          14            /*  t6  */
                     32: #define MIPS_GPR_T7          15            /*  t7  */
                     33: #define MIPS_GPR_S0          16            /*  s0  */
                     34: #define MIPS_GPR_S1          17            /*  s1  */
                     35: #define MIPS_GPR_S2          18            /*  s2  */
                     36: #define MIPS_GPR_S3          19            /*  s3  */
                     37: #define MIPS_GPR_S4          20            /*  s4  */
                     38: #define MIPS_GPR_S5          21            /*  s5  */
                     39: #define MIPS_GPR_S6          22            /*  s6  */
                     40: #define MIPS_GPR_S7          23            /*  s7  */
                     41: #define MIPS_GPR_T8          24            /*  t8  */
                     42: #define MIPS_GPR_T9          25            /*  t9  */
                     43: #define MIPS_GPR_K0          26            /*  k0  */
                     44: #define MIPS_GPR_K1          27            /*  k1  */
                     45: #define MIPS_GPR_GP          28            /*  gp  */
                     46: #define MIPS_GPR_SP          29            /*  sp  */
                     47: #define MIPS_GPR_FP          30            /*  fp  */
                     48: #define MIPS_GPR_RA          31            /*  ra  */
1.1       root       49: 
                     50: /*
                     51:  * Coprocessor 0 (System Coprocessor) Register definitions
                     52:  */
1.1.1.4   root       53: #define MIPS_CP0_INDEX       0             /* TLB Index           */
                     54: #define MIPS_CP0_RANDOM      1             /* TLB Random          */
                     55: #define MIPS_CP0_TLB_LO_0    2             /* TLB Entry Lo0       */
                     56: #define MIPS_CP0_TLB_LO_1    3             /* TLB Entry Lo1       */
                     57: #define MIPS_CP0_CONTEXT     4             /* Kernel PTE pointer  */
                     58: #define MIPS_CP0_PAGEMASK    5             /* TLB Page Mask       */
                     59: #define MIPS_CP0_WIRED       6             /* TLB Wired           */
                     60: #define MIPS_CP0_INFO        7             /* Info (RM7000)       */
                     61: #define MIPS_CP0_BADVADDR    8             /* Bad Virtual Address */
                     62: #define MIPS_CP0_COUNT       9             /* Count               */
                     63: #define MIPS_CP0_TLB_HI      10            /* TLB Entry Hi        */
                     64: #define MIPS_CP0_COMPARE     11            /* Timer Compare       */
                     65: #define MIPS_CP0_STATUS      12            /* Status              */
                     66: #define MIPS_CP0_CAUSE       13            /* Cause               */
                     67: #define MIPS_CP0_EPC         14            /* Exception PC        */
                     68: #define MIPS_CP0_PRID        15            /* Proc Rev ID         */
                     69: #define MIPS_CP0_CONFIG      16            /* Configuration       */
                     70: #define MIPS_CP0_LLADDR      17            /* Load/Link address   */
                     71: #define MIPS_CP0_WATCHLO     18            /* Low Watch address   */
                     72: #define MIPS_CP0_WATCHHI     19            /* High Watch address  */
                     73: #define MIPS_CP0_XCONTEXT    20            /* Extended context    */
                     74: #define MIPS_CP0_ECC         26            /* ECC and parity      */
                     75: #define MIPS_CP0_CACHERR     27            /* Cache Err/Status    */
                     76: #define MIPS_CP0_TAGLO       28            /* Cache Tag Lo        */
                     77: #define MIPS_CP0_TAGHI       29            /* Cache Tag Hi        */
                     78: #define MIPS_CP0_ERR_EPC     30            /* Error exception PC  */
                     79: 
                     80: /*
                     81:  * CP0 Set 1 Registers (R7000)
                     82:  */
                     83: #define MIPS_CP0_S1_CONFIG     16          /* Configuration Register */
                     84: #define MIPS_CP0_S1_IPLLO      18          /* Priority level for IRQ [7:0] */
                     85: #define MIPS_CP0_S1_IPLHI      19          /* Priority level for IRQ [15:8] */
                     86: #define MIPS_CP0_S1_INTCTL     20          /* Interrupt Control */
                     87: #define MIPS_CP0_S1_DERRADDR0  26          /* Imprecise Error Address */
                     88: #define MIPS_CP0_S1_DERRADDR1  27          /* Imprecise Error Address */
1.1       root       89: 
                     90: /*
                     91:  * CP0 Status Register
                     92:  */
                     93: #define MIPS_CP0_STATUS_CU0        0x10000000
                     94: #define MIPS_CP0_STATUS_CU1        0x20000000
                     95: #define MIPS_CP0_STATUS_BEV        0x00400000
                     96: #define MIPS_CP0_STATUS_TS         0x00200000
                     97: #define MIPS_CP0_STATUS_SR         0x00100000
                     98: #define MIPS_CP0_STATUS_CH         0x00040000
                     99: #define MIPS_CP0_STATUS_CE         0x00020000
                    100: #define MIPS_CP0_STATUS_DE         0x00010000
                    101: #define MIPS_CP0_STATUS_RP         0x08000000
                    102: #define MIPS_CP0_STATUS_FR         0x04000000
                    103: #define MIPS_CP0_STATUS_RE         0x02000000
                    104: #define MIPS_CP0_STATUS_KX         0x00000080
                    105: #define MIPS_CP0_STATUS_SX         0x00000040
                    106: #define MIPS_CP0_STATUS_UX         0x00000020
                    107: #define MIPS_CP0_STATUS_KSU        0x00000018
                    108: #define MIPS_CP0_STATUS_ERL        0x00000004
                    109: #define MIPS_CP0_STATUS_EXL        0x00000002
                    110: #define MIPS_CP0_STATUS_IE         0x00000001
                    111: #define MIPS_CP0_STATUS_IMASK7     0x00008000
                    112: #define MIPS_CP0_STATUS_IMASK6     0x00004000
                    113: #define MIPS_CP0_STATUS_IMASK5     0x00002000
                    114: #define MIPS_CP0_STATUS_IMASK4     0x00001000
                    115: #define MIPS_CP0_STATUS_IMASK3     0x00000800
                    116: #define MIPS_CP0_STATUS_IMASK2     0x00000400
                    117: #define MIPS_CP0_STATUS_IMASK1     0x00000200
                    118: #define MIPS_CP0_STATUS_IMASK0     0x00000100
                    119: 
                    120: #define MIPS_CP0_STATUS_DS_MASK    0x00770000
                    121: #define MIPS_CP0_STATUS_CU_MASK    0xF0000000
                    122: #define MIPS_CP0_STATUS_IMASK      0x0000FF00
                    123: 
                    124: /* Addressing mode: Kernel, Supervisor and User */
                    125: #define MIPS_CP0_STATUS_KSU_SHIFT  0x03
                    126: #define MIPS_CP0_STATUS_KSU_MASK   0x03
                    127: 
                    128: #define MIPS_CP0_STATUS_KM  0x00
                    129: #define MIPS_CP0_STATUS_SM  0x01
                    130: #define MIPS_CP0_STATUS_UM  0x10
                    131: 
                    132: 
                    133: /*
                    134:  * CP0 Cause register
                    135:  */
                    136: #define MIPS_CP0_CAUSE_BD_SLOT        0x80000000
                    137: 
                    138: #define MIPS_CP0_CAUSE_MASK           0x0000007C
                    139: #define MIPS_CP0_CAUSE_CEMASK         0x30000000
                    140: #define MIPS_CP0_CAUSE_IMASK          0x0000FF00
                    141: 
                    142: #define MIPS_CP0_CAUSE_SHIFT          2
                    143: #define MIPS_CP0_CAUSE_CESHIFT        28
                    144: #define MIPS_CP0_CAUSE_ISHIFT         8
                    145: 
                    146: #define MIPS_CP0_CAUSE_INTERRUPT      0
                    147: #define MIPS_CP0_CAUSE_TLB_MOD        1
                    148: #define MIPS_CP0_CAUSE_TLB_LOAD       2
                    149: #define MIPS_CP0_CAUSE_TLB_SAVE       3
                    150: #define MIPS_CP0_CAUSE_ADDR_LOAD      4    /* ADEL */
                    151: #define MIPS_CP0_CAUSE_ADDR_SAVE      5    /* ADES */
                    152: #define MIPS_CP0_CAUSE_BUS_INSTR      6
                    153: #define MIPS_CP0_CAUSE_BUS_DATA       7
                    154: #define MIPS_CP0_CAUSE_SYSCALL        8
                    155: #define MIPS_CP0_CAUSE_BP             9
                    156: #define MIPS_CP0_CAUSE_ILLOP          10
                    157: #define MIPS_CP0_CAUSE_CP_UNUSABLE    11
                    158: #define MIPS_CP0_CAUSE_OVFLW          12
                    159: #define MIPS_CP0_CAUSE_TRAP           13
                    160: #define MIPS_CP0_CAUSE_VC_INSTR       14   /* Virtual Coherency */
                    161: #define MIPS_CP0_CAUSE_FPE            15
                    162: #define MIPS_CP0_CAUSE_WATCH          23
                    163: #define MIPS_CP0_CAUSE_VC_DATA        31   /* Virtual Coherency */
                    164: 
                    165: #define MIPS_CP0_CAUSE_IBIT7     0x00008000
                    166: #define MIPS_CP0_CAUSE_IBIT6     0x00004000
                    167: #define MIPS_CP0_CAUSE_IBIT5     0x00002000
                    168: #define MIPS_CP0_CAUSE_IBIT4     0x00001000
                    169: #define MIPS_CP0_CAUSE_IBIT3     0x00000800
                    170: #define MIPS_CP0_CAUSE_IBIT2     0x00000400
                    171: #define MIPS_CP0_CAUSE_IBIT1     0x00000200
                    172: #define MIPS_CP0_CAUSE_IBIT0     0x00000100
                    173: 
                    174: 
                    175: /* TLB masks and shifts */
                    176: #define MIPS_TLB_PAGE_MASK     0x01ffe000
                    177: #define MIPS_TLB_PAGE_SHIFT    13
                    178: #define MIPS_TLB_VPN2_MASK     0xffffffffffffe000ULL
                    179: #define MIPS_TLB_PFN_MASK      0x3fffffc0
1.1.1.4   root      180: #define MIPS_TLB_ASID_MASK     0x000000ff     /* "asid" in EntryHi */
                    181: #define MIPS_TLB_G_MASK        0x00001000     /* "Global" in EntryHi */
                    182: #define MIPS_TLB_V_MASK        0x2            /* "Valid" in EntryLo */
                    183: #define MIPS_TLB_D_MASK        0x4            /* "Dirty" in EntryLo */
                    184: #define MIPS_TLB_C_MASK        0x38           /* Page Coherency Attribute */
                    185: #define MIPS_TLB_C_SHIFT       3
1.1       root      186: 
                    187: #define MIPS_CP0_LO_G_MASK     0x00000001     /* "Global" in Lo0/1 reg */
                    188: #define MIPS_CP0_HI_SAFE_MASK  0xffffe0ff     /* Safety mask for Hi reg */
                    189: #define MIPS_CP0_LO_SAFE_MASK  0x7fffffff     /* Safety mask for Lo reg */
                    190: 
                    191: /* MIPS "jr ra" instruction */
1.1.1.4   root      192: #define MIPS_INSN_JR_RA        0x03e00008
1.1       root      193: 
                    194: /* Minimum page size: 4 Kb */
1.1.1.4   root      195: #define MIPS_MIN_PAGE_SHIFT    12
                    196: #define MIPS_MIN_PAGE_SIZE     (1 << MIPS_MIN_PAGE_SHIFT)
                    197: #define MIPS_MIN_PAGE_IMASK    (MIPS_MIN_PAGE_SIZE - 1)
1.1       root      198: 
                    199: /* Addressing mode: Kernel, Supervisor and User */
                    200: #define MIPS_MODE_KERNEL  00
                    201: 
                    202: /* Segments in 32-bit User mode */
                    203: #define MIPS_USEG_BASE    0x00000000
                    204: #define MIPS_USEG_SIZE    0x80000000
                    205: 
                    206: /* Segments in 32-bit Supervisor mode */
                    207: #define MIPS_SUSEG_BASE   0x00000000
                    208: #define MIPS_SUSEG_SIZE   0x80000000
                    209: #define MIPS_SSEG_BASE    0xc0000000
                    210: #define MIPS_SSEG_SIZE    0x20000000
                    211: 
                    212: /* Segments in 32-bit Kernel mode */
                    213: #define MIPS_KUSEG_BASE   0x00000000
                    214: #define MIPS_KUSEG_SIZE   0x80000000
                    215: 
                    216: #define MIPS_KSEG0_BASE   0x80000000
                    217: #define MIPS_KSEG0_SIZE   0x20000000
                    218: 
                    219: #define MIPS_KSEG1_BASE   0xa0000000
                    220: #define MIPS_KSEG1_SIZE   0x20000000
                    221: 
                    222: #define MIPS_KSSEG_BASE   0xc0000000
                    223: #define MIPS_KSSEG_SIZE   0x20000000
                    224: 
                    225: #define MIPS_KSEG3_BASE   0xe0000000
                    226: #define MIPS_KSEG3_SIZE   0x20000000
                    227: 
1.1.1.4   root      228: /* xkphys mask (36-bit physical address) */
                    229: #define MIPS64_XKPHYS_ZONE_MASK    0xF800000000000000ULL
                    230: #define MIPS64_XKPHYS_PHYS_SIZE    (1ULL << 36)
                    231: #define MIPS64_XKPHYS_PHYS_MASK    (MIPS64_XKPHYS_PHYS_SIZE - 1)
                    232: #define MIPS64_XKPHYS_CCA_SHIFT    59
                    233: 
1.1       root      234: /* Macros for CPU structure access */
                    235: #define REG_OFFSET(reg)       (OFFSET(cpu_mips_t,gpr[(reg)]))
                    236: #define CP0_REG_OFFSET(c0reg) (OFFSET(cpu_mips_t,cp0.reg[(c0reg)]))
                    237: #define MEMOP_OFFSET(op)      (OFFSET(cpu_mips_t,mem_op_fn[(op)]))
                    238: 
                    239: /* Initial Program Counter and Stack pointer for ROM */
                    240: #define MIPS_ROM_PC  0xffffffffbfc00000ULL
                    241: #define MIPS_ROM_SP  0xffffffff80004000ULL
                    242: 
                    243: /* Number of GPR (general purpose registers) */
                    244: #define MIPS64_GPR_NR  32
                    245: 
                    246: /* Number of registers in CP0 */
                    247: #define MIPS64_CP0_REG_NR   32
                    248: 
                    249: /* Number of registers in CP1 */
                    250: #define MIPS64_CP1_REG_NR   32
                    251: 
                    252: /* Number of TLB entries */
1.1.1.4   root      253: #define MIPS64_TLB_STD_ENTRIES  48
                    254: #define MIPS64_TLB_MAX_ENTRIES  64
                    255: #define MIPS64_TLB_IDX_MASK     0x3f   /* 6 bits */
                    256: 
                    257: /* Enable the 64 TLB entries for R7000 CPU */
                    258: #define MIPS64_R7000_TLB64_ENABLE   0x20000000
                    259: 
                    260: /* MIPS CPU Identifiers */
                    261: #define MIPS_PRID_R4600    0x00002012
                    262: #define MIPS_PRID_R4700    0x00002112
                    263: #define MIPS_PRID_R5000    0x00002312
                    264: #define MIPS_PRID_R7000    0x00002721
                    265: #define MIPS_PRID_R527x    0x00002812
                    266: #define MIPS_PRID_BCM1250  0x00040102
1.1       root      267: 
                    268: /* Virtual CPU states */
                    269: enum {
                    270:    MIPS_CPU_RUNNING = 0,
                    271:    MIPS_CPU_HALTED,
                    272:    MIPS_CPU_SUSPENDED,
                    273: };
                    274: 
                    275: /* Memory operations */
                    276: enum {
1.1.1.4   root      277:    MIPS_MEMOP_LOOKUP = 0,
                    278: 
                    279:    MIPS_MEMOP_LB,
1.1       root      280:    MIPS_MEMOP_LBU,
                    281:    MIPS_MEMOP_LH,
                    282:    MIPS_MEMOP_LHU,
                    283:    MIPS_MEMOP_LW,
                    284:    MIPS_MEMOP_LWU,
                    285:    MIPS_MEMOP_LD,
                    286:    MIPS_MEMOP_SB,
                    287:    MIPS_MEMOP_SH,
                    288:    MIPS_MEMOP_SW,
                    289:    MIPS_MEMOP_SD, 
                    290: 
                    291:    MIPS_MEMOP_LWL,
                    292:    MIPS_MEMOP_LWR,
                    293:    MIPS_MEMOP_LDL,
                    294:    MIPS_MEMOP_LDR,
                    295:    MIPS_MEMOP_SWL,
                    296:    MIPS_MEMOP_SWR,
                    297:    MIPS_MEMOP_SDL,
                    298:    MIPS_MEMOP_SDR,
                    299: 
                    300:    MIPS_MEMOP_LL,
                    301:    MIPS_MEMOP_SC,
                    302: 
                    303:    MIPS_MEMOP_LDC1,
                    304:    MIPS_MEMOP_SDC1,
                    305: 
                    306:    MIPS_MEMOP_CACHE,
                    307: 
                    308:    MIPS_MEMOP_MAX,
                    309: };
                    310: 
                    311: /* 6 bits are reserved for device ID (see the memory subsystem) */
                    312: #define MIPS64_DEVICE_MAX  (1 << 6)
                    313: 
                    314: /* Number of recorded memory accesses (power of two) */
                    315: #define MEMLOG_COUNT   16
                    316: 
                    317: /* Maximum number of breakpoints */
                    318: #define MIPS64_MAX_BREAKPOINTS  8
                    319: 
                    320: typedef struct memlog_access memlog_access_t;
                    321: struct memlog_access {
                    322:    m_uint64_t pc;
                    323:    m_uint64_t vaddr;
                    324:    m_uint64_t data;
                    325:    m_uint32_t data_valid;
                    326:    m_uint32_t op_size;
                    327:    m_uint32_t op_type;
                    328: };
                    329: 
                    330: /* MIPS CPU type */
                    331: typedef struct cpu_mips cpu_mips_t;
                    332: 
                    333: /* Memory operation function prototype */
                    334: typedef fastcall u_int (*mips_memop_fn)(cpu_mips_t *cpu,m_uint64_t vaddr,
                    335:                                         u_int reg);
                    336: 
                    337: /* TLB entry definition */
                    338: typedef struct {
                    339:    m_uint64_t mask;
                    340:    m_uint64_t hi;
                    341:    m_uint64_t lo0;
                    342:    m_uint64_t lo1;
                    343: }tlb_entry_t;
                    344: 
                    345: /* System Coprocessor (CP0) definition */
                    346: typedef struct {
                    347:    m_uint64_t reg[MIPS64_CP0_REG_NR];
1.1.1.4   root      348:    tlb_entry_t tlb[MIPS64_TLB_MAX_ENTRIES];
                    349:    
                    350:    /* Number of TLB entries */
                    351:    u_int tlb_entries;
                    352: 
                    353:    /* Extensions for R7000 CP0 Set1 */
                    354:    m_uint32_t ipl_lo,ipl_hi,int_ctl;
                    355:    m_uint32_t derraddr0,derraddr1;
1.1       root      356: }mips_cp0_t;
                    357: 
                    358: /* FPU Coprocessor (CP1) definition */
                    359: typedef struct {
                    360:    m_uint64_t reg[MIPS64_CP1_REG_NR];
                    361: }mips_cp1_t;
                    362: 
1.1.1.4   root      363: /* MTS64 entry */
                    364: typedef struct mts64_entry mts64_entry_t;
                    365: struct mts64_entry {
                    366:    m_uint64_t start;
                    367:    m_iptr_t   action;
                    368:    m_uint32_t mask;
                    369:    m_uint32_t phys_page;
                    370:    mts64_entry_t **pself;
                    371:    mts64_entry_t *next,**pprev;
                    372: };
1.1       root      373: 
1.1.1.4   root      374: /* MTS64 chunk forward declaration */
                    375: typedef struct mts64_chunk mts64_chunk_t;
1.1.1.2   root      376: 
1.1.1.4   root      377: /* MIPS CPU definition */
                    378: struct cpu_mips {  
1.1       root      379:    /* MTS 1st level array */
                    380:    void *mts_l1_ptr;
                    381: 
1.1.1.4   root      382:    /* MTS64 cache */
                    383:    mts64_entry_t **mts64_cache;
                    384: 
                    385:    /* Virtual version of CP0 Compare Register */
                    386:    m_uint32_t cp0_virt_cnt_reg,cp0_virt_cmp_reg;
                    387: 
                    388:    /* General Purpose Registers, Pointer Counter, LO/HI, IRQ */
                    389:    m_uint32_t irq_pending,irq_cause,ll_bit;
                    390:    m_uint64_t pc,gpr[MIPS64_GPR_NR];
                    391:    m_uint64_t lo,hi,ret_pc;
1.1       root      392:    
1.1.1.4   root      393:    /* Code page translation cache */
                    394:    insn_block_t **exec_phys_map;
                    395: 
                    396:    /* Virtual address to physical page translation */
                    397:    fastcall int (*translate)(cpu_mips_t *cpu,m_uint64_t vaddr,
                    398:                              m_uint32_t *phys_page);
                    399: 
1.1       root      400:    /* Memory access functions */
                    401:    mips_memop_fn mem_op_fn[MIPS_MEMOP_MAX];
                    402: 
1.1.1.4   root      403:    /* Memory lookup function (to load ELF image,...) */
                    404:    void *(*mem_op_lookup)(cpu_mips_t *cpu,m_uint64_t vaddr);
1.1       root      405: 
                    406:    /* System coprocessor (CP0) */
                    407:    mips_cp0_t cp0;
                    408:    
                    409:    /* FPU (CP1) */
                    410:    mips_cp1_t fpu;
                    411: 
1.1.1.4   root      412:    /* MTS32 array free list */
                    413:    void *mts32_l2_free_list;
1.1.1.2   root      414:    
1.1.1.4   root      415:    /* Address bus mask */
                    416:    m_uint64_t addr_bus_mask;
                    417: 
                    418:    /* IRQ counters and cause */
                    419:    m_uint64_t irq_count,timer_irq_count,irq_fp_count;
                    420:    pthread_mutex_t irq_lock;
                    421: 
                    422:    /* Current and free lists of instruction blocks */
                    423:    insn_block_t *insn_block_list,*insn_block_last;
                    424:    insn_block_t *insn_block_free_list;
                    425: 
                    426:    /* Executable page area */
                    427:    void *exec_page_area;
                    428:    size_t exec_page_area_size;
                    429:    size_t exec_page_count,exec_page_alloc;
                    430:    insn_exec_page_t *exec_page_free_list;
                    431:    insn_exec_page_t *exec_page_array;
                    432: 
                    433:    /* "Idle" loop management */
                    434:    volatile m_uint64_t idle_pc;
                    435:    u_int idle_max,idle_sleep_time;
                    436:    pthread_mutex_t idle_mutex;
                    437:    pthread_cond_t idle_cond;
                    438: 
                    439:    /* IRQ disable flag */
                    440:    volatile u_int irq_disable;
                    441: 
                    442:    /* Timer IRQs */
                    443:    volatile u_int timer_irq_pending;
                    444:    u_int timer_irq_freq;
                    445:    u_int timer_irq_check_itv;
                    446:    u_int timer_drift;
                    447: 
                    448:    /* IRQ idling preemption */
                    449:    u_int irq_idle_preempt[8];
                    450: 
                    451:    /* CPU identifier for MP systems */
                    452:    u_int id;
                    453: 
                    454:    /* CPU states */
                    455:    volatile u_int state,prev_state;
                    456:    volatile m_uint64_t seq_state;
1.1       root      457: 
                    458:    /* Thread running this CPU */
                    459:    pthread_t cpu_thread;
1.1.1.4   root      460:    int cpu_thread_running;
                    461: 
                    462:    /* VM instance */
                    463:    vm_instance_t *vm;
                    464: 
                    465:    /* non-JIT mode instruction counter */
                    466:    m_uint64_t insn_exec_count;
                    467: 
                    468:    /* MTS map/unmap/rebuild operations */
                    469:    void (*mts_map)(cpu_mips_t *cpu,m_uint64_t vaddr,
                    470:                    m_uint64_t paddr,m_uint32_t len,
                    471:                    int cache_access,int tlb_index);
                    472: 
                    473:    void (*mts_unmap)(cpu_mips_t *cpu,m_uint64_t vaddr,m_uint32_t len,
                    474:                      m_uint32_t val,int tlb_index);
                    475: 
                    476:    void (*mts_rebuild)(cpu_mips_t *cpu);
                    477: 
                    478:    /* MTS64 chunk list */
                    479:    mts64_chunk_t *mts64_chunk_list;
                    480:    mts64_chunk_t *mts64_chunk_free_list;
                    481:    mts64_entry_t *mts64_entry_free_list;
                    482: 
                    483:    /* MTS64 cache statistics */
                    484:    m_uint64_t mts64_misses,mts64_lookups;
                    485: 
                    486:    /* Reverse map for MTS64 */
                    487:    mts64_entry_t *mts64_rmap[MIPS64_TLB_MAX_ENTRIES];
                    488: 
                    489:    /* JIT flush method */
                    490:    u_int jit_flush_method;
                    491: 
                    492:    /* Number of compiled pages */
                    493:    u_int compiled_pages;
                    494: 
                    495:    /* Fast memory operations use */
                    496:    u_int fast_memop;
                    497: 
                    498:    /* Current exec page (non-JIT) info */
                    499:    m_uint64_t njm_exec_page;
                    500:    mips_insn_t *njm_exec_ptr;
                    501: 
                    502:    /* Performance counter (number of instructions executed by CPU) */
                    503:    m_uint64_t perf_counter;
1.1       root      504: 
                    505:    /* Memory access log for fault debugging */
                    506:    u_int memlog_pos;
                    507:    memlog_access_t memlog_array[MEMLOG_COUNT];
                    508: 
                    509:    /* Breakpoints */
                    510:    m_uint64_t breakpoints[MIPS64_MAX_BREAKPOINTS];
1.1.1.3   root      511:    u_int breakpoints_enabled;
1.1       root      512: 
1.1.1.4   root      513:    /* Symtrace */
                    514:    int sym_trace;
                    515:    rbtree_tree *sym_tree;
1.1.1.2   root      516: 
1.1.1.4   root      517:    /* Next CPU in group */
                    518:    cpu_mips_t *next;
1.1       root      519: };
                    520: 
1.1.1.4   root      521: #define MIPS64_IRQ_LOCK(cpu)   pthread_mutex_lock(&(cpu)->irq_lock)
                    522: #define MIPS64_IRQ_UNLOCK(cpu) pthread_mutex_unlock(&(cpu)->irq_lock)
                    523: 
1.1       root      524: /* Register names */
                    525: extern char *mips64_gpr_reg_names[];
                    526: 
1.1.1.4   root      527: /* Get cacheability info */
                    528: int mips64_cca_cached(m_uint8_t val);
                    529: 
                    530: /* Reset a MIPS64 CPU */
                    531: int mips64_reset(cpu_mips_t *cpu);
                    532: 
1.1       root      533: /* Initialize a MIPS64 processor */
1.1.1.4   root      534: int mips64_init(cpu_mips_t *cpu);
                    535: 
                    536: /* Delete a MIPS64 processor */
                    537: void mips64_delete(cpu_mips_t *cpu);
                    538: 
                    539: /* Set the CPU PRID register */
                    540: void mips64_set_prid(cpu_mips_t *cpu,m_uint32_t prid);
                    541: 
                    542: /* Virtual idle loop */
                    543: void mips64_idle_loop(cpu_mips_t *cpu);
                    544: 
                    545: /* Break idle wait state */
                    546: void mips64_idle_break_wait(cpu_mips_t *cpu);
                    547: 
                    548: /* Timer IRQ */
                    549: void *mips64_timer_irq_run(cpu_mips_t *cpu);
                    550: 
                    551: /* Determine an "idling" PC */
                    552: int mips64_get_idling_pc(cpu_mips_t *cpu);
1.1       root      553: 
                    554: /* Update the IRQ flag */
                    555: void mips64_update_irq_flag(cpu_mips_t *cpu);
                    556: 
                    557: /* Generate an exception */
                    558: void mips64_trigger_exception(cpu_mips_t *cpu,u_int exc_code,int bd_slot);
                    559: 
                    560: /*
                    561:  * Increment count register and trigger the timer IRQ if value in compare 
                    562:  * register is the same.
                    563:  */
                    564: fastcall void mips64_exec_inc_cp0_cnt(cpu_mips_t *cpu);
                    565: 
                    566: /* Trigger the Timer IRQ */
                    567: fastcall void mips64_trigger_timer_irq(cpu_mips_t *cpu);
                    568: 
                    569: /* Execute ERET instruction */
                    570: fastcall void mips64_exec_eret(cpu_mips_t *cpu);
                    571: 
                    572: /* Execute SYSCALL instruction */
                    573: fastcall void mips64_exec_syscall(cpu_mips_t *cpu);
                    574: 
                    575: /* Execute BREAK instruction */
                    576: fastcall void mips64_exec_break(cpu_mips_t *cpu,u_int code);
                    577: 
                    578: /* Trigger a Trap Exception */
1.1.1.4   root      579: fastcall void mips64_trigger_trap_exception(cpu_mips_t *cpu);
1.1       root      580: 
                    581: /* Trigger IRQs */
                    582: fastcall void mips64_trigger_irq(cpu_mips_t *cpu);
                    583: 
                    584: /* Set an IRQ */
1.1.1.4   root      585: void mips64_set_irq(cpu_mips_t *cpu,m_uint8_t irq);
1.1       root      586: 
                    587: /* Clear an IRQ */
1.1.1.4   root      588: void mips64_clear_irq(cpu_mips_t *cpu,m_uint8_t irq);
1.1       root      589: 
                    590: /* DMFC1 */
                    591: fastcall void mips64_exec_dmfc1(cpu_mips_t *cpu,u_int gp_reg,u_int cp1_reg);
                    592: 
                    593: /* DMTC1 */
                    594: fastcall void mips64_exec_dmtc1(cpu_mips_t *cpu,u_int gp_reg,u_int cp1_reg);
                    595: 
                    596: /* MFC1 */
                    597: fastcall void mips64_exec_mfc1(cpu_mips_t *cpu,u_int gp_reg,u_int cp1_reg);
                    598: 
                    599: /* MTC1 */
                    600: fastcall void mips64_exec_mtc1(cpu_mips_t *cpu,u_int gp_reg,u_int cp1_reg);
                    601: 
                    602: /* Virtual breakpoint */
                    603: fastcall void mips64_run_breakpoint(cpu_mips_t *cpu);
                    604: 
1.1.1.5 ! root      605: /* Add a virtual breakpoint */
        !           606: int mips64_add_breakpoint(cpu_mips_t *cpu,m_uint64_t pc);
        !           607: 
        !           608: /* Remove a virtual breakpoint */
        !           609: void mips64_remove_breakpoint(cpu_mips_t *cpu,m_uint64_t pc);
        !           610: 
1.1.1.4   root      611: /* Debugging for register-jump to address 0 */
                    612: fastcall void mips64_debug_jr0(cpu_mips_t *cpu);
                    613: 
1.1       root      614: /* Dump registers of a MIPS64 processor */
                    615: void mips64_dump_regs(cpu_mips_t *cpu);
                    616: 
                    617: /* Dump a memory block */
                    618: void mips64_dump_memory(cpu_mips_t *cpu,m_uint64_t vaddr,u_int count);
                    619: 
                    620: /* Dump the stack */
                    621: void mips64_dump_stack(cpu_mips_t *cpu,u_int count);
                    622: 
                    623: /* Save the CPU state into a file */
                    624: int mips64_save_state(cpu_mips_t *cpu,char *filename);
                    625: 
1.1.1.4   root      626: /* Load a raw image into the simulated memory */
                    627: int mips64_load_raw_image(cpu_mips_t *cpu,char *filename,m_uint64_t vaddr);
                    628: 
                    629: /* Load an ELF image into the simulated memory */
                    630: int mips64_load_elf_image(cpu_mips_t *cpu,char *filename,
                    631:                           m_uint32_t *entry_point);
                    632: 
                    633: /* Symbol lookup */
                    634: struct symbol *mips64_sym_lookup(cpu_mips_t *cpu,m_uint64_t addr);
                    635: 
                    636: /* Insert a new symbol */
                    637: struct symbol *mips64_sym_insert(cpu_mips_t *cpu,char *name,m_uint64_t addr);
                    638: 
                    639: /* Create the symbol tree */
                    640: int mips64_sym_create_tree(cpu_mips_t *cpu);
                    641: 
                    642: /* Load a symbol file */
                    643: int mips64_sym_load_file(cpu_mips_t *cpu,char *filename);
                    644: 
1.1       root      645: #endif

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