Re: [PATCH 1/5] target/arm: Replace ARM_FEATURE_PXN with ID_MMFR0.VMSA check

[Richard Henderson]

On 9/10/20 10:38 AM, Peter Maydell wrote:
> The ARM_FEATURE_PXN bit indicates whether the CPU supports the PXN
> bit in short-descriptor translation table format descriptors.  This
> is indicated by ID_MMFR0.VMSA being at least 0b0100.  Replace the
> feature bit with an ID register check, in line with our preference
> for ID register checks over feature bits.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
>  target/arm/cpu.h    | 15 ++++++++++++++-
>  target/arm/cpu.c    |  1 -
>  target/arm/helper.c |  5 +++--
>  3 files changed, 17 insertions(+), 4 deletions(-)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

r~