Re: [PATCH 4/4] target/arm: Implement ARMv8.2-TTS2UXN

[Richard Henderson]

On 3/30/20 2:04 PM, Peter Maydell wrote:
> The ARMv8.2-TTS2UXN feature extends the XN field in stage 2
> translation table descriptors from just bit [54] to bits [54:53],
> allowing stage 2 to control execution permissions separately for EL0
> and EL1. Implement the new semantics of the XN field and enable
> the feature for our 'max' CPU.
> 
> Signed-off-by: Peter Maydell <address@hidden>
> ---
>  target/arm/cpu.h    | 15 +++++++++++++++
>  target/arm/cpu.c    |  1 +
>  target/arm/cpu64.c  |  2 ++
>  target/arm/helper.c | 37 +++++++++++++++++++++++++++++++------
>  4 files changed, 49 insertions(+), 6 deletions(-)

Reviewed-by: Richard Henderson <address@hidden>

r~