Re: [PATCH 4/8] target/arm: Don't allow RES0 CNTHCTL_EL2 bits to be written

[Richard Henderson]

On 3/1/24 08:32, Peter Maydell wrote:
> Don't allow the guest to write CNTHCTL_EL2 bits which don't exist.
> This is not strictly architecturally required, but it is how we've
> tended to implement registers more recently.
>
> In particular, bits [19:18] are only present with FEAT_RME,
> and bits [17:12] will only be present with FEAT_ECV.
>
> Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
> ---
>   target/arm/helper.c | 18 ++++++++++++++++++
>   1 file changed, 18 insertions(+)

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

r~