diff options
author | Richard Henderson <richard.henderson@linaro.org> | 2020-02-08 12:58:06 +0000 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2020-02-13 14:14:54 +0000 |
commit | 140845111809cd6fd57ccde93867b48cc56ffc74 (patch) | |
tree | 2cc8b81184dfc9a861ffb6dd02f93b3f8c87c111 /target/arm/helper-a64.c | |
parent | 70dae0d069c45250bbefd9424089383a8ac239de (diff) |
target/arm: Introduce aarch64_pstate_valid_mask
Use this along the exception return path, where we previously
accepted any values.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20200208125816.14954-11-richard.henderson@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'target/arm/helper-a64.c')
-rw-r--r-- | target/arm/helper-a64.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/target/arm/helper-a64.c b/target/arm/helper-a64.c index 0c9feba392..509ae93069 100644 --- a/target/arm/helper-a64.c +++ b/target/arm/helper-a64.c @@ -1032,6 +1032,7 @@ void HELPER(exception_return)(CPUARMState *env, uint64_t new_pc) cur_el, new_el, env->regs[15]); } else { env->aarch64 = 1; + spsr &= aarch64_pstate_valid_mask(&env_archcpu(env)->isar); pstate_write(env, spsr); if (!arm_singlestep_active(env)) { env->pstate &= ~PSTATE_SS; |