Re: [PATCH v2 4/7] linux-user/nios2: Map a real kuser page

[Laurent Vivier]

Le 21/12/2021 à 03:50, Richard Henderson a écrit :
> The first word of page1 is data, so the whole thing
> can't be implemented with emulation of addresses.
> Use init_guest_commpage for the allocation.
>
> Hijack trap number 16 to implement cmpxchg.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>   linux-user/elfload.c        | 50 ++++++++++++++++++++++++++++++++++++-
>   linux-user/nios2/cpu_loop.c | 50 ++++++++++++++++++++-----------------
>   target/nios2/translate.c    |  9 -------
>   3 files changed, 76 insertions(+), 33 deletions(-)

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