diff options
Diffstat (limited to 'target-ppc/mmu-hash32.c')
| -rw-r--r-- | target-ppc/mmu-hash32.c | 47 |
1 files changed, 24 insertions, 23 deletions
diff --git a/target-ppc/mmu-hash32.c b/target-ppc/mmu-hash32.c index 53e86de..b7f6e8f 100644 --- a/target-ppc/mmu-hash32.c +++ b/target-ppc/mmu-hash32.c @@ -115,19 +115,19 @@ static int ppc_hash32_check_prot(int prot, int rwx) /* Perform BAT hit & translation */ static void hash32_bat_size_prot(CPUPPCState *env, target_ulong *blp, - int *validp, int *protp, target_ulong *BATu, - target_ulong *BATl) + int *validp, int *protp, + target_ulong batu, target_ulong batl) { target_ulong bl; int pp, valid, prot; - bl = (*BATu & BATU32_BL) << 15; + bl = (batu & BATU32_BL) << 15; valid = 0; prot = 0; - if (((msr_pr == 0) && (*BATu & BATU32_VS)) || - ((msr_pr != 0) && (*BATu & BATU32_VP))) { + if (((msr_pr == 0) && (batu & BATU32_VS)) || + ((msr_pr != 0) && (batu & BATU32_VP))) { valid = 1; - pp = *BATl & BATL32_PP; + pp = batl & BATL32_PP; if (pp != 0) { prot = PAGE_READ | PAGE_EXEC; if (pp == 0x2) { @@ -142,22 +142,22 @@ static void hash32_bat_size_prot(CPUPPCState *env, target_ulong *blp, static void hash32_bat_601_size_prot(CPUPPCState *env, target_ulong *blp, int *validp, int *protp, - target_ulong *BATu, target_ulong *BATl) + target_ulong batu, target_ulong batl) { target_ulong bl; int key, pp, valid, prot; - bl = (*BATl & BATL32_601_BL) << 17; + bl = (batl & BATL32_601_BL) << 17; LOG_BATS("b %02x ==> bl " TARGET_FMT_lx " msk " TARGET_FMT_lx "\n", - (uint8_t)(*BATl & BATL32_601_BL), bl, ~bl); + (uint8_t)(batl & BATL32_601_BL), bl, ~bl); prot = 0; - valid = !!(*BATl & BATL32_601_V); + valid = !!(batl & BATL32_601_V); if (valid) { - pp = *BATu & BATU32_601_PP; + pp = batu & BATU32_601_PP; if (msr_pr == 0) { - key = !!(*BATu & BATU32_601_KS); + key = !!(batu & BATU32_601_KS); } else { - key = !!(*BATu & BATU32_601_KP); + key = !!(batu & BATU32_601_KP); } prot = ppc_hash32_pp_check(key, pp, 0); } @@ -169,7 +169,7 @@ static void hash32_bat_601_size_prot(CPUPPCState *env, target_ulong *blp, static int ppc_hash32_get_bat(CPUPPCState *env, struct mmu_ctx_hash32 *ctx, target_ulong virtual, int rwx) { - target_ulong *BATlt, *BATut, *BATu, *BATl; + target_ulong *BATlt, *BATut; target_ulong BEPIl, BEPIu, bl; int i, valid, prot; int ret = -1; @@ -184,25 +184,26 @@ static int ppc_hash32_get_bat(CPUPPCState *env, struct mmu_ctx_hash32 *ctx, BATut = env->DBAT[0]; } for (i = 0; i < env->nb_BATs; i++) { - BATu = &BATut[i]; - BATl = &BATlt[i]; - BEPIu = *BATu & BATU32_BEPIU; - BEPIl = *BATu & BATU32_BEPIL; + target_ulong batu = BATut[i]; + target_ulong batl = BATlt[i]; + + BEPIu = batu & BATU32_BEPIU; + BEPIl = batu & BATU32_BEPIL; if (unlikely(env->mmu_model == POWERPC_MMU_601)) { - hash32_bat_601_size_prot(env, &bl, &valid, &prot, BATu, BATl); + hash32_bat_601_size_prot(env, &bl, &valid, &prot, batu, batl); } else { - hash32_bat_size_prot(env, &bl, &valid, &prot, BATu, BATl); + hash32_bat_size_prot(env, &bl, &valid, &prot, batu, batl); } LOG_BATS("%s: %cBAT%d v " TARGET_FMT_lx " BATu " TARGET_FMT_lx " BATl " TARGET_FMT_lx "\n", __func__, - type == ACCESS_CODE ? 'I' : 'D', i, virtual, *BATu, *BATl); + type == ACCESS_CODE ? 'I' : 'D', i, virtual, batu, batl); if ((virtual & BATU32_BEPIU) == BEPIu && ((virtual & BATU32_BEPIL) & ~bl) == BEPIl) { /* BAT matches */ if (valid != 0) { /* Get physical address */ - ctx->raddr = (*BATl & BATL32_BRPNU) | - ((virtual & BATU32_BEPIL & bl) | (*BATl & BATL32_BRPNL)) | + ctx->raddr = (batl & BATL32_BRPNU) | + ((virtual & BATU32_BEPIL & bl) | (batl & BATL32_BRPNL)) | (virtual & 0x0001F000); /* Compute access rights */ ctx->prot = prot; |