diff options
Diffstat (limited to 'target-ppc')
| -rw-r--r-- | target-ppc/cpu.h | 2 | ||||
| -rw-r--r-- | target-ppc/helper.c | 36 |
2 files changed, 30 insertions, 8 deletions
diff --git a/target-ppc/cpu.h b/target-ppc/cpu.h index 25d0658c47..b4c2555626 100644 --- a/target-ppc/cpu.h +++ b/target-ppc/cpu.h @@ -670,6 +670,8 @@ struct CPUPPCState { target_phys_addr_t htab_base; target_phys_addr_t htab_mask; target_ulong sr[32]; + /* externally stored hash table */ + uint8_t *external_htab; /* BATs */ int nb_BATs; target_ulong DBAT[2][8]; diff --git a/target-ppc/helper.c b/target-ppc/helper.c index 278bee4f17..5e4030bb53 100644 --- a/target-ppc/helper.c +++ b/target-ppc/helper.c @@ -589,8 +589,13 @@ static inline int _find_pte(CPUState *env, mmu_ctx_t *ctx, int is_64b, int h, for (i = 0; i < 8; i++) { #if defined(TARGET_PPC64) if (is_64b) { - pte0 = ldq_phys(env->htab_base + pteg_off + (i * 16)); - pte1 = ldq_phys(env->htab_base + pteg_off + (i * 16) + 8); + if (env->external_htab) { + pte0 = ldq_p(env->external_htab + pteg_off + (i * 16)); + pte1 = ldq_p(env->external_htab + pteg_off + (i * 16) + 8); + } else { + pte0 = ldq_phys(env->htab_base + pteg_off + (i * 16)); + pte1 = ldq_phys(env->htab_base + pteg_off + (i * 16) + 8); + } /* We have a TLB that saves 4K pages, so let's * split a huge page to 4k chunks */ @@ -606,8 +611,13 @@ static inline int _find_pte(CPUState *env, mmu_ctx_t *ctx, int is_64b, int h, } else #endif { - pte0 = ldl_phys(env->htab_base + pteg_off + (i * 8)); - pte1 = ldl_phys(env->htab_base + pteg_off + (i * 8) + 4); + if (env->external_htab) { + pte0 = ldl_p(env->external_htab + pteg_off + (i * 8)); + pte1 = ldl_p(env->external_htab + pteg_off + (i * 8) + 4); + } else { + pte0 = ldl_phys(env->htab_base + pteg_off + (i * 8)); + pte1 = ldl_phys(env->htab_base + pteg_off + (i * 8) + 4); + } r = pte32_check(ctx, pte0, pte1, h, rw, type); LOG_MMU("Load pte from " TARGET_FMT_lx " => " TARGET_FMT_lx " " TARGET_FMT_lx " %d %d %d " TARGET_FMT_lx "\n", @@ -647,13 +657,23 @@ static inline int _find_pte(CPUState *env, mmu_ctx_t *ctx, int is_64b, int h, if (pte_update_flags(ctx, &pte1, ret, rw) == 1) { #if defined(TARGET_PPC64) if (is_64b) { - stq_phys_notdirty(env->htab_base + pteg_off + (good * 16) + 8, - pte1); + if (env->external_htab) { + stq_p(env->external_htab + pteg_off + (good * 16) + 8, + pte1); + } else { + stq_phys_notdirty(env->htab_base + pteg_off + + (good * 16) + 8, pte1); + } } else #endif { - stl_phys_notdirty(env->htab_base + pteg_off + (good * 8) + 4, - pte1); + if (env->external_htab) { + stl_p(env->external_htab + pteg_off + (good * 8) + 4, + pte1); + } else { + stl_phys_notdirty(env->htab_base + pteg_off + + (good * 8) + 4, pte1); + } } } } |