diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2020-02-08 12:57:57 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2020-02-13 14:14:53 +0000 |
| commit | fee7aa46edd76f06c3dc176abb8fd05b365efce6 (patch) | |
| tree | 350f51ab4d9874a1c0bd15489626c2f92cb839b8 | |
| parent | 979a89023f40a89c67f68566c26b22b0e903b95e (diff) | |
target/arm: Add arm_mmu_idx_is_stage1_of_2
Use a common predicate for querying stage1-ness.
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-2-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
| -rw-r--r-- | target/arm/helper.c | 8 | ||||
| -rw-r--r-- | target/arm/internals.h | 18 |
2 files changed, 21 insertions, 5 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c index 7d15d5c933..57dc7a307c 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -3261,8 +3261,7 @@ static uint64_t do_ats_write(CPUARMState *env, uint64_t value, bool take_exc = false; if (fi.s1ptw && current_el == 1 && !arm_is_secure(env) - && (mmu_idx == ARMMMUIdx_Stage1_E1 || - mmu_idx == ARMMMUIdx_Stage1_E0)) { + && arm_mmu_idx_is_stage1_of_2(mmu_idx)) { /* * Synchronous stage 2 fault on an access made as part of the * translation table walk for AT S1E0* or AT S1E1* insn @@ -9285,8 +9284,7 @@ static inline bool regime_translation_disabled(CPUARMState *env, } } - if ((env->cp15.hcr_el2 & HCR_DC) && - (mmu_idx == ARMMMUIdx_Stage1_E0 || mmu_idx == ARMMMUIdx_Stage1_E1)) { + if ((env->cp15.hcr_el2 & HCR_DC) && arm_mmu_idx_is_stage1_of_2(mmu_idx)) { /* HCR.DC means SCTLR_EL1.M behaves as 0 */ return true; } @@ -9595,7 +9593,7 @@ static hwaddr S1_ptw_translate(CPUARMState *env, ARMMMUIdx mmu_idx, hwaddr addr, MemTxAttrs txattrs, ARMMMUFaultInfo *fi) { - if ((mmu_idx == ARMMMUIdx_Stage1_E0 || mmu_idx == ARMMMUIdx_Stage1_E1) && + if (arm_mmu_idx_is_stage1_of_2(mmu_idx) && !regime_translation_disabled(env, ARMMMUIdx_Stage2)) { target_ulong s2size; hwaddr s2pa; diff --git a/target/arm/internals.h b/target/arm/internals.h index 6d4a942bde..1f8ee5f573 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1034,6 +1034,24 @@ static inline ARMMMUIdx arm_stage1_mmu_idx(CPUARMState *env) ARMMMUIdx arm_stage1_mmu_idx(CPUARMState *env); #endif +/** + * arm_mmu_idx_is_stage1_of_2: + * @mmu_idx: The ARMMMUIdx to test + * + * Return true if @mmu_idx is a NOTLB mmu_idx that is the + * first stage of a two stage regime. + */ +static inline bool arm_mmu_idx_is_stage1_of_2(ARMMMUIdx mmu_idx) +{ + switch (mmu_idx) { + case ARMMMUIdx_Stage1_E0: + case ARMMMUIdx_Stage1_E1: + return true; + default: + return false; + } +} + /* * Parameters of a given virtual address, as extracted from the * translation control register (TCR) for a given regime. |