Re: [kvm-unit-tests PATCH v5 28/29] lib: arm: Print test exit status

[Shaoqin Huang <shahuang@redhat.com>]

On 4/28/23 20:04, Nikos Nikoleris wrote:
> From: Alexandru Elisei <alexandru.elisei@arm.com>
> 
> The arm tests can be run under kvmtool, which doesn't emulate a chr-testdev
> device. Print the test exit status to make it possible for the runner
> scripts to pick it up when they have support for it.
> 
> Signed-off-by: Alexandru Elisei <alexandru.elisei@arm.com>
> Signed-off-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
> Reviewed-by: Andrew Jones <andrew.jones@linux.dev>
Reviewed-by: Shaoqin Huang <shahuang@redhat.com>
> ---
>   lib/arm/io.c | 7 +++++++
>   1 file changed, 7 insertions(+)
> 
> diff --git a/lib/arm/io.c b/lib/arm/io.c
> index 19f93490..c15e57c4 100644
> --- a/lib/arm/io.c
> +++ b/lib/arm/io.c
> @@ -149,6 +149,13 @@ extern void halt(int code);
>   
>   void exit(int code)
>   {
> +	/*
> +	 * Print the test return code in the following format which is
> +	 * consistent with powerpc and s390x. The runner can pick it
> +	 * up when chr-testdev is not present.
> +	 */
> +	printf("\nEXIT: STATUS=%d\n", ((code) << 1) | 1);
> +
>   	chr_testdev_exit(code);
>   	psci_system_off();
>   	halt(code);

-- 
Shaoqin