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| author | Sergey Sorokin | 2015-10-16 12:14:52 +0200 |
|---|---|---|
| committer | Peter Maydell | 2015-10-16 12:14:52 +0200 |
| commit | 2cde031f5a34996bab32571a26b1a6bcf3e5b5d9 (patch) | |
| tree | 8ac0b45996a034a6de7e20376d16ddc1e0212dc7 /target-arm/cpu.h | |
| parent | target-arm: Break the TB after ISB to execute self-modified code correctly (diff) | |
| download | qemu-2cde031f5a34996bab32571a26b1a6bcf3e5b5d9.tar.gz qemu-2cde031f5a34996bab32571a26b1a6bcf3e5b5d9.tar.xz qemu-2cde031f5a34996bab32571a26b1a6bcf3e5b5d9.zip | |
target-arm: Avoid calling arm_el_is_aa64() function for unimplemented EL
It is incorrect to call arm_el_is_aa64() function for unimplemented EL.
This patch fixes several attempts to do so.
Signed-off-by: Sergey Sorokin <afarallax@yandex.ru>
[PMM: Reworked several of the comments to be more verbose.]
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target-arm/cpu.h')
| -rw-r--r-- | target-arm/cpu.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/target-arm/cpu.h b/target-arm/cpu.h index 493f9d02a9..5fb0479b2a 100644 --- a/target-arm/cpu.h +++ b/target-arm/cpu.h @@ -1016,11 +1016,11 @@ static inline bool access_secure_reg(CPUARMState *env) */ #define A32_BANKED_CURRENT_REG_GET(_env, _regname) \ A32_BANKED_REG_GET((_env), _regname, \ - ((!arm_el_is_aa64((_env), 3) && arm_is_secure(_env)))) + (arm_is_secure(_env) && !arm_el_is_aa64((_env), 3))) #define A32_BANKED_CURRENT_REG_SET(_env, _regname, _val) \ A32_BANKED_REG_SET((_env), _regname, \ - ((!arm_el_is_aa64((_env), 3) && arm_is_secure(_env))), \ + (arm_is_secure(_env) && !arm_el_is_aa64((_env), 3)), \ (_val)) void arm_cpu_list(FILE *f, fprintf_function cpu_fprintf); @@ -1587,7 +1587,12 @@ static inline bool arm_excp_unmasked(CPUState *cs, unsigned int excp_idx, * interrupt. */ if ((target_el > cur_el) && (target_el != 1)) { - if (arm_el_is_aa64(env, 3) || ((scr || hcr) && (!secure))) { + /* ARM_FEATURE_AARCH64 enabled means the highest EL is AArch64. + * This code currently assumes that EL2 is not implemented + * (and so that highest EL will be 3 and the target_el also 3). + */ + if (arm_feature(env, ARM_FEATURE_AARCH64) || + ((scr || hcr) && (!secure))) { unmasked = 1; } } |