Re: [PATCH 10/14] target/arm: Define new TB flag for ATA0

[Richard Henderson]

On 9/7/23 09:03, Peter Maydell wrote:
> Currently the only tag-setting instructions always do so in the
> context of the current EL, and so we only need one ATA bit in the TB
> flags.  The FEAT_MOPS SETG instructions include ones which set tags
> for a non-privileged access, so we now also need the equivalent "are
> tags enabled?" information for EL0.
>
> Add the new TB flag, and convert the existing 'bool ata' field in
> DisasContext to a 'bool ata[2]' that can be indexed by the is_unpriv
> bit in an instruction, similarly to mte[2].
>
> Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
> ---
>   target/arm/cpu.h               |  1 +
>   target/arm/tcg/translate.h     |  4 ++--
>   target/arm/tcg/hflags.c        | 12 ++++++++++++
>   target/arm/tcg/translate-a64.c | 23 ++++++++++++-----------
>   4 files changed, 27 insertions(+), 13 deletions(-)

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

r~