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target/arm: Check PMCNTEN for whether PMCCNTR is enabled 

Signed-off-by: Aaron Lindsay <alindsay@codeaurora.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1523997485-1905-2-git-send-email-alindsay@codeaurora.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Aaron Lindsay 2018-04-26 11:04:38 +01:00 committed by Peter Maydell
parent 4818bad98c
commit ccbc0e3384
1 changed files with 1 additions and 1 deletions
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2
target/arm/helper.c
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@ -994,7 +994,7 @@ static inline bool arm_ccnt_enabled(CPUARMState *env)
{
/* This does not support checking PMCCFILTR_EL0 register */
if (!(env->cp15.c9_pmcr & PMCRE)) {
if (!(env->cp15.c9_pmcr & PMCRE) || !(env->cp15.c9_pmcnten & (1 << 31))) {
return false;
}