Archipelago » qemu

        target_ulong mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);

        target_ulong tag = address & ~mask;

        target_ulong VPN = tlb->VPN & ~mask;

        tag &= env->SEGMask;

#endif

    int user_mode = (env->hflags & MIPS_HFLAG_MODE) == MIPS_HFLAG_UM;

    int supervisor_mode = (env->hflags & MIPS_HFLAG_MODE) == MIPS_HFLAG_SM;

    int kernel_mode = !user_mode && !supervisor_mode;

    int UX = (env->CP0_Status & (1 << CP0St_UX)) != 0;

    int SX = (env->CP0_Status & (1 << CP0St_SX)) != 0;

    int KX = (env->CP0_Status & (1 << CP0St_KX)) != 0;

        } else {

            ret = env->tlb->map_address(env, physical, prot, address, rw, access_type);

        }

/*

   XXX: Assuming :

   - PABITS = 36 (correct for MIPS64R1)

	                   ((address >> 9) &   0x007ffff0);

        env->CP0_EntryHi =

            (env->CP0_EntryHi & 0xFF) | (address & (TARGET_PAGE_MASK << 1));

        env->CP0_EntryHi &= env->SEGMask;

        env->CP0_XContext = (env->CP0_XContext & ((~0ULL) << (env->SEGBITS - 7))) |

                            ((address & 0xC00000000000ULL) >> (env->SEGBITS - 9)) |

    case EXCP_TLBL:

        cause = 2;

        if (env->error_code == 1 && !(env->CP0_Status & (1 << CP0St_EXL))) {

            int R = env->CP0_BadVAddr >> 62;

            int UX = (env->CP0_Status & (1 << CP0St_UX)) != 0;

            int SX = (env->CP0_Status & (1 << CP0St_SX)) != 0;

    case EXCP_THREAD:

        cause = 25;

        if (env->error_code == 1 && !(env->CP0_Status & (1 << CP0St_EXL))) {

            int R = env->CP0_BadVAddr >> 62;

            int UX = (env->CP0_Status & (1 << CP0St_UX)) != 0;

            int SX = (env->CP0_Status & (1 << CP0St_SX)) != 0;

    mask = tlb->PageMask | ~(TARGET_PAGE_MASK << 1);

    if (tlb->V0) {

        addr = tlb->VPN & ~mask;

        if (addr >= (0xFFFFFFFF80000000ULL & env->SEGMask)) {

            addr |= 0x3FFFFF0000000000ULL;

        }

    }

    if (tlb->V1) {

        addr = (tlb->VPN & ~mask) | ((mask >> 1) + 1);

        if (addr >= (0xFFFFFFFF80000000ULL & env->SEGMask)) {

            addr |= 0x3FFFFF0000000000ULL;

        }