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target-arm: Add Hyp mode checks to bad_mode_switch() 

We don't actually support Hyp mode yet, but add the correct
checks for it to the bad_mode_switch() function for completeness.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Sergey Fedorov <serge.fdrv@gmail.com>
Message-id: 1455556977-3644-8-git-send-email-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2016-02-23 15:36:44 +00:00
parent 52ff951b4f
commit e6c8fc07b4
1 changed files with 3 additions and 0 deletions
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3
target-arm/helper.c
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@ -5218,6 +5218,9 @@ static int bad_mode_switch(CPUARMState *env, int mode)
* allows FIQ mode to be Secure-only. (In v8 this doesn't exist.)
*/
return 0;
case ARM_CPU_MODE_HYP:
return !arm_feature(env, ARM_FEATURE_EL2)
|| arm_current_el(env) < 2 || arm_is_secure(env);
case ARM_CPU_MODE_MON:
return !arm_is_secure(env);
default: