Re: [PATCH 7/9] target/arm: Make FPSCR.LTPSIZE writable for MVE

[Richard Henderson]

On 5/20/21 8:28 AM, Peter Maydell wrote:
> The M-profile FPSCR has an LTPSIZE field, but if MVE is not
> implemented it is read-only and always reads as 4; this is how QEMU
> currently handles it.
>
> Make the field writable when MVE is implemented.
>
> We can safely add the field to the MVE migration struct because
> currently no CPUs enable MVE and so the migration struct is never
> used.
>
> Signed-off-by: Peter Maydell<peter.maydell@linaro.org>
> ---
>   target/arm/cpu.h        | 3 ++-
>   target/arm/machine.c    | 1 +
>   target/arm/vfp_helper.c | 9 ++++++---
>   3 files changed, 9 insertions(+), 4 deletions(-)

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

r~