Re: [PATCH 3/7] target/arm: Implement HCR_EL2.TTLBIS traps

[Richard Henderson]

On 10/29/22 00:39, Peter Maydell wrote:
> For FEAT_EVT, the HCR_EL2.TTLBIS bit allows trapping on EL1 use of
> TLB maintenance instructions that operate on the inner shareable
> domain:
>
> AArch64:
>   TLBI VMALLE1IS, TLBI VAE1IS, TLBI ASIDE1IS, TLBI VAAE1IS,
>   TLBI VALE1IS, TLBI VAALE1IS, TLBI RVAE1IS, TLBI RVAAE1IS,
>   TLBI RVALE1IS, and TLBI RVAALE1IS.
>
> AArch32:
>   TLBIALLIS, TLBIMVAIS, TLBIASIDIS, TLBIMVAAIS, TLBIMVALIS,
>   and TLBIMVAALIS.
>
> Add the trapping support.
>
> Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
> ---
>   target/arm/helper.c | 43 +++++++++++++++++++++++++++----------------
>   1 file changed, 27 insertions(+), 16 deletions(-)

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

r~