diff options
Diffstat (limited to 'target-ppc/mmu-hash32.c')
| -rw-r--r-- | target-ppc/mmu-hash32.c | 29 |
1 files changed, 27 insertions, 2 deletions
diff --git a/target-ppc/mmu-hash32.c b/target-ppc/mmu-hash32.c index 4bae72a17a..3998d635f2 100644 --- a/target-ppc/mmu-hash32.c +++ b/target-ppc/mmu-hash32.c @@ -158,8 +158,8 @@ static int find_pte32(CPUPPCState *env, mmu_ctx_t *ctx, int h, return ret; } -int get_segment32(CPUPPCState *env, mmu_ctx_t *ctx, - target_ulong eaddr, int rw, int type) +static int get_segment32(CPUPPCState *env, mmu_ctx_t *ctx, + target_ulong eaddr, int rw, int type) { hwaddr hash; target_ulong vsid; @@ -302,3 +302,28 @@ int get_segment32(CPUPPCState *env, mmu_ctx_t *ctx, return ret; } + +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; + } +} |