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Re: [Qemu-arm] [PATCH 02/13] target/arm: Check PMCNTEN for whether PMCCN


From: Peter Maydell
Subject: Re: [Qemu-arm] [PATCH 02/13] target/arm: Check PMCNTEN for whether PMCCNTR is enabled
Date: Tue, 17 Oct 2017 13:48:36 +0100

On 19 April 2017 at 18:41, Aaron Lindsay <address@hidden> wrote:
> Signed-off-by: Aaron Lindsay <address@hidden>
> ---
>  target/arm/helper.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/target/arm/helper.c b/target/arm/helper.c
> index 8cb7a94..8888391 100644
> --- a/target/arm/helper.c
> +++ b/target/arm/helper.c
> @@ -964,7 +964,7 @@ 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;
>      }

Reviewed-by: Peter Maydell <address@hidden>

thanks
-- PMM



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