On Tue, 10 Oct 2023 07:38:53 +0000
Janosch Frank <frankja@xxxxxxxxxxxxx> wrote:
> For early sclp printing it's necessary to know if we're under LPAR or
> not so we can apply compat SCLP ASCII transformations.
>
> Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx>
> ---
> lib/s390x/hardware.c | 8 ++++++++
> lib/s390x/hardware.h | 1 +
> 2 files changed, 9 insertions(+)
>
> diff --git a/lib/s390x/hardware.c b/lib/s390x/hardware.c
> index 2bcf9c4c..d5a752c0 100644
> --- a/lib/s390x/hardware.c
> +++ b/lib/s390x/hardware.c
> @@ -52,6 +52,14 @@ static enum s390_host do_detect_host(void *buf)
> return HOST_IS_UNKNOWN;
> }
>
> +enum s390_host detect_host_early(void)
> +{
> + if (stsi_get_fc() == 2)
> + return HOST_IS_LPAR;
> +
> + return HOST_IS_UNKNOWN;
> +}
> +
> enum s390_host detect_host(void)
> {
> static enum s390_host host = HOST_IS_UNKNOWN;
> diff --git a/lib/s390x/hardware.h b/lib/s390x/hardware.h
> index 86fe873c..5e5a9d90 100644
> --- a/lib/s390x/hardware.h
> +++ b/lib/s390x/hardware.h
> @@ -24,6 +24,7 @@ enum s390_host {
> };
>
> enum s390_host detect_host(void);
> +enum s390_host detect_host_early(void);
I wonder if it weren't easier to fix detect_host so it can be used
early....
>
> static inline uint16_t get_machine_id(void)
> {
