Re: [PATCH v2 6/6] target/sh4: Implement prctl_unalign_sigbus

[Laurent Vivier]

Le 27/12/2021 à 16:01, Richard Henderson a écrit :
> Leave TARGET_ALIGNED_ONLY set, but use the new CPUState
> flag to set MO_UNALN for the instructions that the kernel
> handles in the unaligned trap.
>
> The Linux kernel does not handle all memory operations: no
> floating-point and no MAC.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   linux-user/sh4/target_prctl.h |  2 +-
>   target/sh4/cpu.h              |  4 +++
>   target/sh4/translate.c        | 50 ++++++++++++++++++++++++-----------
>   3 files changed, 39 insertions(+), 17 deletions(-)


Reviewed-by: Laurent Vivier <laurent@vivier.eu>