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Re: [Qemu-devel] [RFC PATCH 08/21] target-arm: adjust arm_current_pl() f


From: Peter Crosthwaite
Subject: Re: [Qemu-devel] [RFC PATCH 08/21] target-arm: adjust arm_current_pl() for TrustZone
Date: Tue, 3 Dec 2013 22:23:45 +1000

On Tue, Dec 3, 2013 at 6:48 PM, Sergey Fedorov <address@hidden> wrote:
> Make arm_current_pl() to return PL3 in secure privileged mode.
>
> Signed-off-by: Sergey Fedorov <address@hidden>
> ---
>  target-arm/cpu.h |    6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/target-arm/cpu.h b/target-arm/cpu.h
> index a00c86f..1b03450 100644
> --- a/target-arm/cpu.h
> +++ b/target-arm/cpu.h
> @@ -622,9 +622,11 @@ static inline int arm_current_pl(CPUARMState *env)
>  {
>      if ((env->uncached_cpsr & 0x1f) == ARM_CPU_MODE_USR) {
>          return 0;
> +    } else if (arm_is_secure(env)) {
> +        return 3;
>      }
> -    /* We don't currently implement the Virtualization or TrustZone
> -     * extensions, so PL2 and PL3 don't exist for us.
> +    /* We don't currently implement the Virtualization extensions, so PL2 
> don't

"doesn't". (second "don't" not first).

> +     * exist for us.
>       */
>      return 1;
>  }
> --
> 1.7.9.5
>
>



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