Peter Maydell <peter.mayd...@linaro.org> writes:
> If we fail a semihosting call we should always set the
> semihosting errno to something; we were failing to do
> this for some of the "check inputs for sanity" cases.
>
> Signed-off-by: Peter Maydell <peter.mayd...@linaro.org>
Reviewed-by: Alex Bennée <alex.ben...@linaro.org>
although:
> ---
> target/arm/arm-semi.c | 45 ++++++++++++++++++++++++++-----------------
> 1 file changed, 27 insertions(+), 18 deletions(-)
>
> diff --git a/target/arm/arm-semi.c b/target/arm/arm-semi.c
> index 03e60105c05..51b55816faf 100644
> --- a/target/arm/arm-semi.c
> +++ b/target/arm/arm-semi.c
> @@ -232,11 +232,13 @@ static target_ulong arm_gdb_syscall(ARMCPU *cpu,
> gdb_syscall_complete_cb cb,
> #define GET_ARG(n) do { \
> if (is_a64(env)) { \
> if (get_user_u64(arg ## n, args + (n) * 8)) { \
> - return -1; \
> + errno = EFAULT; \
> + return set_swi_errno(ts, -1); \
This looks a little queasy given ts is NULL for the softmmu version. I
wonder (depending on your approach to -smp for 1/13) if we should just
pass the ARMCPU down to the helper?
--
Alex Bennée
