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target/arm: Move regime_ttbr to ptw.c

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Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20220604040607.269301-25-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Richard Henderson 2022-06-08 19:38:53 +01:00 • committed by Peter Maydell
parent 0c23d56fc1
commit 3b318aaeef
3 changed files with 16 additions and 17 deletions
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16
target/arm/helper.c
View file

@ -10475,22 +10475,6 @@ bool regime_translation_disabled(CPUARMState *env, ARMMMUIdx mmu_idx)
return (regime_sctlr(env, mmu_idx) & SCTLR_M) == 0; return (regime_sctlr(env, mmu_idx) & SCTLR_M) == 0;
} }
/* Return the TTBR associated with this translation regime */
uint64_t regime_ttbr(CPUARMState *env, ARMMMUIdx mmu_idx, int ttbrn)
{
if (mmu_idx == ARMMMUIdx_Stage2) {
return env->cp15.vttbr_el2;
}
if (mmu_idx == ARMMMUIdx_Stage2_S) {
return env->cp15.vsttbr_el2;
}
if (ttbrn == 0) {
return env->cp15.ttbr0_el[regime_el(env, mmu_idx)];
} else {
return env->cp15.ttbr1_el[regime_el(env, mmu_idx)];
}
}
/* Convert a possible stage1+2 MMU index into the appropriate /* Convert a possible stage1+2 MMU index into the appropriate
* stage 1 MMU index * stage 1 MMU index
*/ */

16
target/arm/ptw.c
View file

@ -75,6 +75,22 @@ static bool regime_is_user(CPUARMState *env, ARMMMUIdx mmu_idx)
} }
} }
/* Return the TTBR associated with this translation regime */
static uint64_t regime_ttbr(CPUARMState *env, ARMMMUIdx mmu_idx, int ttbrn)
{
if (mmu_idx == ARMMMUIdx_Stage2) {
return env->cp15.vttbr_el2;
}
if (mmu_idx == ARMMMUIdx_Stage2_S) {
return env->cp15.vsttbr_el2;
}
if (ttbrn == 0) {
return env->cp15.ttbr0_el[regime_el(env, mmu_idx)];
} else {
return env->cp15.ttbr1_el[regime_el(env, mmu_idx)];
}
}
static bool ptw_attrs_are_device(CPUARMState *env, ARMCacheAttrs cacheattrs) static bool ptw_attrs_are_device(CPUARMState *env, ARMCacheAttrs cacheattrs)
{ {
/* /*

1
target/arm/ptw.h
View file

@ -12,7 +12,6 @@
#ifndef CONFIG_USER_ONLY #ifndef CONFIG_USER_ONLY
bool regime_translation_disabled(CPUARMState *env, ARMMMUIdx mmu_idx); bool regime_translation_disabled(CPUARMState *env, ARMMMUIdx mmu_idx);
uint64_t regime_ttbr(CPUARMState *env, ARMMMUIdx mmu_idx, int ttbrn);
#endif /* !CONFIG_USER_ONLY */ #endif /* !CONFIG_USER_ONLY */
#endif /* TARGET_ARM_PTW_H */ #endif /* TARGET_ARM_PTW_H */