Archipelago » qemu

static int get_segment32(CPUPPCState *env, mmu_ctx_t *ctx,

                         target_ulong eaddr, int rw, int type)

int ppc_hash32_get_physical_address(CPUPPCState *env, mmu_ctx_t *ctx,

                                    target_ulong eaddr, int rw, int access_type)

{

    bool real_mode = (access_type == ACCESS_CODE && msr_ir == 0)

        || (access_type != ACCESS_CODE && msr_dr == 0);

    if (real_mode) {

        ctx->raddr = eaddr;

        ctx->prot = PAGE_READ | PAGE_EXEC | PAGE_WRITE;

        return 0;

    } else {

        int ret = -1;

        /* Try to find a BAT */

        if (env->nb_BATs != 0) {

            ret = get_bat(env, ctx, eaddr, rw, access_type);

        }

        if (ret < 0) {

            /* We didn't match any BAT entry or don't have BATs */

            ret = get_segment32(env, ctx, eaddr, rw, access_type);

        }

        return ret;

    }

}