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authorRémi Denis-Courmont <remi.denis.courmont@huawei.com>2021-01-12 12:45:05 +0200
committerPeter Maydell <peter.maydell@linaro.org>2021-01-19 14:38:52 +0000
commit7879460a6149ed5e80c29cac85449191d9c5754a (patch)
treea2cce70854b82840ee74de874aa86591190fa95a
parent588c6dd113b27b8db393c7264297b9d33261692e (diff)
target/arm: generalize 2-stage page-walk condition
The stage_1_mmu_idx() already effectively keeps track of which translation regimes have two stages. Don't hard-code another test. Signed-off-by: Rémi Denis-Courmont <remi.denis.courmont@huawei.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210112104511.36576-13-remi.denis.courmont@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target/arm/helper.c13
1 files changed, 6 insertions, 7 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 521f85a695..75166a2158 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -12160,11 +12160,11 @@ bool get_phys_addr(CPUARMState *env, target_ulong address,
target_ulong *page_size,
ARMMMUFaultInfo *fi, ARMCacheAttrs *cacheattrs)
{
- if (mmu_idx == ARMMMUIdx_E10_0 ||
- mmu_idx == ARMMMUIdx_E10_1 ||
- mmu_idx == ARMMMUIdx_E10_1_PAN) {
+ ARMMMUIdx s1_mmu_idx = stage_1_mmu_idx(mmu_idx);
+
+ if (mmu_idx != s1_mmu_idx) {
/* Call ourselves recursively to do the stage 1 and then stage 2
- * translations.
+ * translations if mmu_idx is a two-stage regime.
*/
if (arm_feature(env, ARM_FEATURE_EL2)) {
hwaddr ipa;
@@ -12172,9 +12172,8 @@ bool get_phys_addr(CPUARMState *env, target_ulong address,
int ret;
ARMCacheAttrs cacheattrs2 = {};
- ret = get_phys_addr(env, address, access_type,
- stage_1_mmu_idx(mmu_idx), &ipa, attrs,
- prot, page_size, fi, cacheattrs);
+ ret = get_phys_addr(env, address, access_type, s1_mmu_idx, &ipa,
+ attrs, prot, page_size, fi, cacheattrs);
/* If S1 fails or S2 is disabled, return early. */
if (ret || regime_translation_disabled(env, ARMMMUIdx_Stage2)) {