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target/ppc: Remove type argument from get_bat_6xx_tlb

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We can now use MMU_INST_FETCH from access_type for this.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210518201146.794854-11-richard.henderson@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Richard Henderson 2021-05-18 15:11:32 -05:00 • committed by David Gibson
parent f3f5794d79
commit 590fc3c01d
1 changed files with 8 additions and 11 deletions
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19
target/ppc/mmu_helper.c
View file

@ -379,25 +379,22 @@ static inline void bat_size_prot(CPUPPCState *env, target_ulong *blp,
} }
static int get_bat_6xx_tlb(CPUPPCState *env, mmu_ctx_t *ctx, static int get_bat_6xx_tlb(CPUPPCState *env, mmu_ctx_t *ctx,
target_ulong virtual, MMUAccessType access_type, target_ulong virtual, MMUAccessType access_type)
int type)
{ {
target_ulong *BATlt, *BATut, *BATu, *BATl; target_ulong *BATlt, *BATut, *BATu, *BATl;
target_ulong BEPIl, BEPIu, bl; target_ulong BEPIl, BEPIu, bl;
int i, valid, prot; int i, valid, prot;
int ret = -1; int ret = -1;
bool ifetch = access_type == MMU_INST_FETCH;
LOG_BATS("%s: %cBAT v " TARGET_FMT_lx "\n", __func__, LOG_BATS("%s: %cBAT v " TARGET_FMT_lx "\n", __func__,
type == ACCESS_CODE ? 'I' : 'D', virtual); ifetch ? 'I' : 'D', virtual);
switch (type) { if (ifetch) {
case ACCESS_CODE:
BATlt = env->IBAT[1]; BATlt = env->IBAT[1];
BATut = env->IBAT[0]; BATut = env->IBAT[0];
break; } else {
default:
BATlt = env->DBAT[1]; BATlt = env->DBAT[1];
BATut = env->DBAT[0]; BATut = env->DBAT[0];
break;
} }
for (i = 0; i < env->nb_BATs; i++) { for (i = 0; i < env->nb_BATs; i++) {
BATu = &BATut[i]; BATu = &BATut[i];
@ -407,7 +404,7 @@ static int get_bat_6xx_tlb(CPUPPCState *env, mmu_ctx_t *ctx,
bat_size_prot(env, &bl, &valid, &prot, BATu, BATl); bat_size_prot(env, &bl, &valid, &prot, BATu, BATl);
LOG_BATS("%s: %cBAT%d v " TARGET_FMT_lx " BATu " TARGET_FMT_lx LOG_BATS("%s: %cBAT%d v " TARGET_FMT_lx " BATu " TARGET_FMT_lx
" BATl " TARGET_FMT_lx "\n", __func__, " BATl " TARGET_FMT_lx "\n", __func__,
type == ACCESS_CODE ? 'I' : 'D', i, virtual, *BATu, *BATl); ifetch ? 'I' : 'D', i, virtual, *BATu, *BATl);
if ((virtual & 0xF0000000) == BEPIu && if ((virtual & 0xF0000000) == BEPIu &&
((virtual & 0x0FFE0000) & ~bl) == BEPIl) { ((virtual & 0x0FFE0000) & ~bl) == BEPIl) {
/* BAT matches */ /* BAT matches */
@ -441,7 +438,7 @@ static int get_bat_6xx_tlb(CPUPPCState *env, mmu_ctx_t *ctx,
LOG_BATS("%s: %cBAT%d v " TARGET_FMT_lx " BATu " TARGET_FMT_lx LOG_BATS("%s: %cBAT%d v " TARGET_FMT_lx " BATu " TARGET_FMT_lx
" BATl " TARGET_FMT_lx "\n\t" TARGET_FMT_lx " " " BATl " TARGET_FMT_lx "\n\t" TARGET_FMT_lx " "
TARGET_FMT_lx " " TARGET_FMT_lx "\n", TARGET_FMT_lx " " TARGET_FMT_lx "\n",
__func__, type == ACCESS_CODE ? 'I' : 'D', i, virtual, __func__, ifetch ? 'I' : 'D', i, virtual,
*BATu, *BATl, BEPIu, BEPIl, bl); *BATu, *BATl, BEPIu, BEPIl, bl);
} }
} }
@ -1415,7 +1412,7 @@ static int get_physical_address_wtlb(CPUPPCState *env, mmu_ctx_t *ctx,
} else { } else {
/* Try to find a BAT */ /* Try to find a BAT */
if (env->nb_BATs != 0) { if (env->nb_BATs != 0) {
ret = get_bat_6xx_tlb(env, ctx, eaddr, access_type, type); ret = get_bat_6xx_tlb(env, ctx, eaddr, access_type);
} }
if (ret < 0) { if (ret < 0) {
/* We didn't match any BAT entry or don't have BATs */ /* We didn't match any BAT entry or don't have BATs */