[PATCH v3 03/15] lib: sbi: Add Xandespmu in hart extensions

[Atish Patra]

On Tue, Nov 21, 2023 at 11:40 PM Yu Chien Peter Lin
<peterlin at andestech.com> wrote:
>
> When SBI PMU updates inhibit bits on mcyclecfg and
> minstretcfg, it will check if Smcntrpmf extension
> is supported, we need to check Xandespmu similarly
> in the pmu_fixed_ctr_update_inhibit_bits() so add
> the custom extension to hart extension list.
>
> Signed-off-by: Yu Chien Peter Lin <peterlin at andestech.com>
> ---
> Changes v2 -> v3:
>   - New patch
> ---
>  include/sbi/sbi_hart.h | 2 ++
>  lib/sbi/sbi_hart.c     | 3 +++
>  2 files changed, 5 insertions(+)
>
> diff --git a/include/sbi/sbi_hart.h b/include/sbi/sbi_hart.h
> index 6ee49ff..811e5f5 100644
> --- a/include/sbi/sbi_hart.h
> +++ b/include/sbi/sbi_hart.h
> @@ -45,6 +45,8 @@ enum sbi_hart_extensions {
>         SBI_HART_EXT_ZKR,
>         /** Hart has Smcntrpmf extension */
>         SBI_HART_EXT_SMCNTRPMF,
> +       /** Hart has Xandespmu extension */
> +       SBI_HART_EXT_XANDESPMU,
>
>         /** Maximum index of Hart extension */
>         SBI_HART_EXT_MAX,
> diff --git a/lib/sbi/sbi_hart.c b/lib/sbi/sbi_hart.c
> index 77eef49..d372af1 100644
> --- a/lib/sbi/sbi_hart.c
> +++ b/lib/sbi/sbi_hart.c
> @@ -693,6 +693,9 @@ static inline char *sbi_hart_extension_id2string(int ext)
>         case SBI_HART_EXT_SMCNTRPMF:
>                 estr = "smcntrpmf";
>                 break;
> +       case SBI_HART_EXT_XANDESPMU:
> +               estr = "xandespmu";
> +               break;
>         default:
>                 break;
>         }
> --
> 2.34.1
>


Reviewed-by: Atish Patra <atishp at rivosinc.com>

-- 
Regards,
Atish