translate_init.c

qemu虚拟机代码

                    if (opc->opc2 == 0xFF) {
                        printf(" %02x -- -- (%2d ----) : %s\n",
                               opc->opc1, opc->opc1, opc->oname);
                    } else {
                        printf(" %02x %02x -- (%2d %4d) : %s\n",
                               opc->opc1, opc->opc2, opc->opc1, opc->opc2,
                                    opc->oname);
                    }
                } else {
                    printf(" %02x %02x %02x (%2d %4d) : %s\n",
                           opc->opc1, opc->opc2, opc->opc3,
                           opc->opc1, (opc->opc3 << 5) | opc->opc2,
                           opc->oname);
                }
            }
#endif
        }
    }
    fix_opcode_tables(env->opcodes);
    fflush(stdout);
    fflush(stderr);

    return 0;
}

int cpu_ppc_register (CPUPPCState *env, ppc_def_t *def)
{
    env->msr_mask = def->msr_mask;
    env->flags = def->flags;
    if (create_ppc_opcodes(env, def) < 0) {
        printf("Error creating opcodes table\n");
        fflush(stdout);
        fflush(stderr);
        return -1;
    }
    init_ppc_proc(env, def);
#if defined(PPC_DUMP_CPU)
    dump_sprs(env);
#endif
    fflush(stdout);
    fflush(stderr);

    return 0;
}

CPUPPCState *cpu_ppc_init(void)
{
    CPUPPCState *env;

    env = qemu_mallocz(sizeof(CPUPPCState));
    if (!env)
        return NULL;
    cpu_exec_init(env);
    tlb_flush(env, 1);
#if defined (DO_SINGLE_STEP) && 0
    /* Single step trace mode */
    msr_se = 1;
    msr_be = 1;
#endif
    msr_fp = 1; /* Allow floating point exceptions */
    msr_me = 1; /* Allow machine check exceptions  */
#if defined(CONFIG_USER_ONLY)
    msr_pr = 1;
#else
    env->nip = 0xFFFFFFFC;
#endif
    do_compute_hflags(env);
    env->reserve = -1;
    return env;
}

void cpu_ppc_close(CPUPPCState *env)
{
    /* Should also remove all opcode tables... */
    free(env);
}

/*****************************************************************************/
/* PowerPC CPU definitions */
static ppc_def_t ppc_defs[] =
{
    /* Embedded PPC */
#if defined (TODO)
    /* PPC 401 */
    {
        .name        = "401",
        .pvr         = CPU_PPC_401,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_401,
        .flags       = PPC_FLAGS_401,
        .msr_mask    = xxx,
    },
#endif
#if defined (TODO)
    /* IOP480 (401 microcontroler) */
    {
        .name        = "iop480",
        .pvr         = CPU_PPC_IOP480,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_401,
        .flags       = PPC_FLAGS_401,
        .msr_mask    = xxx,
    },
#endif
#if defined (TODO)
    /* PPC 403 GA */
    {
        .name        = "403ga",
        .pvr         = CPU_PPC_403GA,
        .pvr_mask    = 0xFFFFFF00,
        .insns_flags = PPC_INSNS_403,
        .flags       = PPC_FLAGS_403,
        .msr_mask    = 0x000000000007D23D,
    },
#endif
#if defined (TODO)
    /* PPC 403 GB */
    {
        .name        = "403gb",
        .pvr         = CPU_PPC_403GB,
        .pvr_mask    = 0xFFFFFF00,
        .insns_flags = PPC_INSNS_403,
        .flags       = PPC_FLAGS_403,
        .msr_mask    = 0x000000000007D23D,
    },
#endif
#if defined (TODO)
    /* PPC 403 GC */
    {
        .name        = "403gc",
        .pvr         = CPU_PPC_403GC,
        .pvr_mask    = 0xFFFFFF00,
        .insns_flags = PPC_INSNS_403,
        .flags       = PPC_FLAGS_403,
        .msr_mask    = 0x000000000007D23D,
    },
#endif
#if defined (TODO)
    /* PPC 403 GCX */
    {
        .name        = "403gcx",
        .pvr         = CPU_PPC_403GCX,
        .pvr_mask    = 0xFFFFFF00,
        .insns_flags = PPC_INSNS_403,
        .flags       = PPC_FLAGS_403,
        .msr_mask    = 0x000000000007D23D,
    },
#endif
#if defined (TODO)
    /* PPC 405 CR */
    {
        .name        = "405cr",
        .pvr         = CPU_PPC_405,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_405,
        .flags       = PPC_FLAGS_405,
        .msr_mask    = 0x00000000020EFF30,
    },
#endif
#if defined (TODO)
    /* PPC 405 GP */
    {
        .name        = "405gp",
        .pvr         = CPU_PPC_405,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_405,
        .flags       = PPC_FLAGS_405,
        .msr_mask    = 0x00000000020EFF30,
    },
#endif
#if defined (TODO)
    /* PPC 405 EP */
    {
        .name        = "405ep",
        .pvr         = CPU_PPC_405EP,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_405,
        .flags       = PPC_FLAGS_405,
        .msr_mask    = 0x00000000020EFF30,
    },
#endif
#if defined (TODO)
    /* PPC 405 GPR */
    {
        .name        = "405gpr",
        .pvr         = CPU_PPC_405GPR,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_405,
        .flags       = PPC_FLAGS_405,
        .msr_mask    = 0x00000000020EFF30,
    },
#endif
#if defined (TODO)
    /* PPC 405 D2 */
    {
        .name        = "405d2",
        .pvr         = CPU_PPC_405D2,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_405,
        .flags       = PPC_FLAGS_405,
        .msr_mask    = 0x00000000020EFF30,
    },
#endif
#if defined (TODO)
    /* PPC 405 D4 */
    {
        .name        = "405d4",
        .pvr         = CPU_PPC_405D4,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_405,
        .flags       = PPC_FLAGS_405,
        .msr_mask    = 0x00000000020EFF30,
    },
#endif
#if defined (TODO)
    /* Npe405 H */
    {
        .name        = "Npe405H",
        .pvr         = CPU_PPC_NPE405H,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_405,
        .flags       = PPC_FLAGS_405,
        .msr_mask    = 0x00000000020EFF30,
    },
#endif
#if defined (TODO)
    /* Npe405 L */
    {
        .name        = "Npe405L",
        .pvr         = CPU_PPC_NPE405L,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_405,
        .flags       = PPC_FLAGS_405,
        .msr_mask    = 0x00000000020EFF30,
    },
#endif
#if defined (TODO)
    /* STB03xx */
    {
        .name        = "STB03",
        .pvr         = CPU_PPC_STB03,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_405,
        .flags       = PPC_FLAGS_405,
        .msr_mask    = 0x00000000020EFF30,
    },
#endif
#if defined (TODO)
    /* STB04xx */
    {
        .name        = "STB04",
        .pvr         = CPU_PPC_STB04,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_405,
        .flags       = PPC_FLAGS_405,
        .msr_mask    = 0x00000000020EFF30,
    },
#endif
#if defined (TODO)
    /* STB25xx */
    {
        .name        = "STB25",
        .pvr         = CPU_PPC_STB25,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_405,
        .flags       = PPC_FLAGS_405,
        .msr_mask    = 0x00000000020EFF30,
    },
#endif
#if defined (TODO)
    /* PPC 440 EP */
    {
        .name        = "440ep",
        .pvr         = CPU_PPC_440EP,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_440,
        .flags       = PPC_FLAGS_440,
        .msr_mask    = 0x000000000006D630,
    },
#endif
#if defined (TODO)
    /* PPC 440 GP */
    {
        .name        = "440gp",
        .pvr         = CPU_PPC_440GP,
        .pvr_mask    = 0xFFFFFF00,
        .insns_flags = PPC_INSNS_440,
        .flags       = PPC_FLAGS_440,
        .msr_mask    = 0x000000000006D630,
    },
#endif
#if defined (TODO)
    /* PPC 440 GX */
    {
        .name        = "440gx",
        .pvr         = CPU_PPC_440GX,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_405,
        .flags       = PPC_FLAGS_440,
        .msr_mask    = 0x000000000006D630,
    },
#endif

    /* 32 bits "classic" powerpc */
#if defined (TODO)
    /* PPC 601 */
    {
        .name        = "601",
        .pvr         = CPU_PPC_601,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_601,
        .flags       = PPC_FLAGS_601,
        .msr_mask    = 0x000000000000FD70,
    },
#endif
#if defined (TODO)
    /* PPC 602 */
    {
        .name        = "602",
        .pvr         = CPU_PPC_602,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_602,
        .flags       = PPC_FLAGS_602,
        .msr_mask    = 0x0000000000C7FF73,
    },
#endif
#if defined (TODO)
    /* PPC 603 */
    {
        .name        = "603",
        .pvr         = CPU_PPC_603,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_603,
        .flags       = PPC_FLAGS_603,
        .msr_mask    = 0x000000000007FF73,
    },
#endif
#if defined (TODO)
    /* PPC 603e */
    {
        .name        = "603e",
        .pvr         = CPU_PPC_603E,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_603,
        .flags       = PPC_FLAGS_603,
        .msr_mask    = 0x000000000007FF73,
    },
    {
        .name        = "Stretch",
        .pvr         = CPU_PPC_603E,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_603,
        .flags       = PPC_FLAGS_603,
        .msr_mask    = 0x000000000007FF73,
    },
#endif
#if defined (TODO)
    /* PPC 603ev */
    {
        .name        = "603ev",
        .pvr         = CPU_PPC_603EV,
        .pvr_mask    = 0xFFFFF000,
        .insns_flags = PPC_INSNS_603,
        .flags       = PPC_FLAGS_603,
        .msr_mask    = 0x000000000007FF73,
    },
#endif
#if defined (TODO)
    /* PPC 603r */
    {
        .name        = "603r",
        .pvr         = CPU_PPC_603R,
        .pvr_mask    = 0xFFFFF000,
        .insns_flags = PPC_INSNS_603,
        .flags       = PPC_FLAGS_603,
        .msr_mask    = 0x000000000007FF73,
    },
    {
        .name        = "Goldeneye",
        .pvr         = CPU_PPC_603R,
        .pvr_mask    = 0xFFFFF000,
        .insns_flags = PPC_INSNS_603,
        .flags       = PPC_FLAGS_603,
        .msr_mask    = 0x000000000007FF73,
    },
#endif
#if defined (TODO)
    /* XXX: TODO: according to Motorola UM, this is a derivative to 603e */
    {
        .name        = "G2",
        .pvr         = CPU_PPC_G2,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_G2,
        .flags       = PPC_FLAGS_G2,
        .msr_mask    = 0x000000000006FFF2,
    },
    { /* Same as G2, with LE mode support */
        .name        = "G2le",
        .pvr         = CPU_PPC_G2LE,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_G2,
        .flags       = PPC_FLAGS_G2,
        .msr_mask    = 0x000000000007FFF3,
    },
#endif
    /* PPC 604 */
    {
        .name        = "604",
        .pvr         = CPU_PPC_604,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_604,
        .flags       = PPC_FLAGS_604,
        .msr_mask    = 0x000000000005FF77,
    },
    /* PPC 604e */
    {
        .name        = "604e",
        .pvr         = CPU_PPC_604E,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_604,
        .flags       = PPC_FLAGS_604,
        .msr_mask    = 0x000000000005FF77,
    },
    /* PPC 604r */
    {
        .name        = "604r",
        .pvr         = CPU_PPC_604R,
        .pvr_mask    = 0xFFFF0000,
        .insns_flags = PPC_INSNS_604,
        .flags       = PPC_FLAGS_604,
        .msr_mask    = 0x000000000005FF77,
    },
    /* generic G3 */
    {
        .name        = "G3",
        .pvr         = CPU_PPC_74x,
        .pvr_mask    = 0xFFFFF000,
        .insns_flags = PPC_INSNS_7x0,
        .flags       = PPC_FLAGS_7x0,
        .msr_mask    = 0x000000000007FF77,
    },
#if defined (TODO)
    /* MPC740 (G3) */
    {
        .name        = "740",
        .pvr         = CPU_PPC_74x,
        .pvr_mask    = 0xFFFFF000,
        .insns_flags = PPC_INSNS_7x0,
        .flags       = PPC_FLAGS_7x0,
        .msr_mask    = 0x000000000007FF77,
    },
    {
        .name        = "Arthur",
        .pvr         = CPU_PPC_74x,
        .pvr_mask    = 0xFFFFF000,
        .insns_flags = PPC_INSNS_7x0,
        .flags       = PPC_FLAGS_7x0,
        .msr_mask    = 0x000000000007FF77,
    },
#endif
#if defined (TODO)
    /* MPC745 (G3) */
    {
        .name        = "745",
        .pvr         = CPU_PPC_74x,
        .pvr_mask    = 0xFFFFF000,
        .insns_flags = PPC_INSNS_7x5,
        .flags       = PPC_FLAGS_7x5,
        .msr_mask    = 0x000000000007FF77,
    },
    {
        .name        = "Goldfinger",
        .pvr         = CPU_PPC_74x,
        .pvr_mask    = 0xFFFFF000,
        .insns_flags = PPC_INSNS_7x5,
        .flags       = PPC_FLAGS_7x5,
        .msr_mask    = 0x000000000007FF77,
    },
#endif
    /* MPC750 (G3) */
    {
        .name        = "750",
        .pvr         = CPU_PPC_74x,
        .pvr_mask    = 0xFFFFF000,
        .insns_flags = PPC_INSNS_7x0,
        .flags       = PPC_FLAGS_7x0,
        .msr_mask    = 0x000000000007FF77,
    },
#if defined (TODO)
    /* MPC755 (G3) */
    {
        .name        = "755",
        .pvr         = CPU_PPC_755,
        .pvr_mask    = 0xFFFFF000,
        .insns_flags = PPC_INSNS_7x5,
        .flags       = PPC_FLAGS_7x5,
        .msr_mask    = 0x000000000007FF77,
    },
#endif
#if defined (TODO)
    /* MPC740P (G3) */
    {
        .name        = "740p",
        .pvr         = CPU_PPC_74xP,
        .pvr_mask    = 0xFFFFF000,
        .insns_flags = PPC_INSNS_7x0,
        .flags       = PPC_FLAGS_7x0,
        .msr_mask    = 0x000000000007FF77,
    },
    {
        .name        = "Conan/Doyle",
        .pvr         = CPU_PPC_74xP,
        .pvr_mask    = 0xFFFFF000,
        .insns_flags = PPC_INSNS_7x0,
        .flags       = PPC_FLAGS_7x0,
        .msr_mask    = 0x000000000007FF77,
    },