Re: [Qemu-devel] [PATCH 14/14] target-arm: Check watchpoints against CPU security state

["Edgar E. Iglesias" <edgar.iglesias@gmail.com>]

On Tue, Apr 07, 2015 at 09:10:00PM +0100, Peter Maydell wrote:
> Fix a TODO in bp_wp_matches() now that we have a function for
> testing whether the CPU is currently in Secure mode or not.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>


> ---
>  target-arm/op_helper.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c
> index ce09ab3..d8a1054 100644
> --- a/target-arm/op_helper.c
> +++ b/target-arm/op_helper.c
> @@ -600,8 +600,10 @@ static bool bp_wp_matches(ARMCPU *cpu, int n, bool is_wp)
>      CPUARMState *env = &cpu->env;
>      uint64_t cr;
>      int pac, hmc, ssc, wt, lbn;
> -    /* TODO: check against CPU security state when we implement TrustZone */
> -    bool is_secure = false;
> +    /* Note that for watchpoints the check is against the CPU security
> +     * state, not the S/NS attribute on the offending data access.
> +     */
> +    bool is_secure = arm_is_secure(env);
>      int access_el = arm_current_el(env);
>  
>      if (is_wp) {
> -- 
> 1.9.1
>