[PATCH 04/11] lib: sbi: Auto start domain only if boot HART within limits

[Alistair Francis]

On Sat, 2020-11-21 at 15:17 +0530, Anup Patel wrote:
> The sbi_domain_finalize() should auto start a domain only if the
> boot HART is withing limits (i.e. less than SBI_HARTMASK_MAX_BITS).
> 
> Signed-off-by: Anup Patel <anup.patel at wdc.com>

Reviewed-by: Alistair Francis <alistair.francis at wdc.com>

Alistair

> ---
>  lib/sbi/sbi_domain.c | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/lib/sbi/sbi_domain.c b/lib/sbi/sbi_domain.c
> index ac920b8..ecb098c 100644
> --- a/lib/sbi/sbi_domain.c
> +++ b/lib/sbi/sbi_domain.c
> @@ -403,6 +403,10 @@ int sbi_domain_finalize(struct sbi_scratch
> *scratch, u32 cold_hartid)
>                 /* Domain boot HART */
>                 dhart = dom->boot_hartid;
>  
> +               /* Ignore of boot HART is off limits */
> +               if (SBI_HARTMASK_MAX_BITS <= dhart)
> +                       continue;
> +
>                 /* Ignore if boot HART not possible for this domain
> */
>                 if (!sbi_hartmask_test_hart(dhart, dom-
> >possible_harts))
>                         continue;