[PATCH 1/3] include: sbi: macros for mseccfg.sseed and .useed

[Anup Patel]

On Sun, Oct 29, 2023 at 4:20 AM Heinrich Schuchardt
<heinrich.schuchardt at canonical.com> wrote:
>
> Define macros to access the sseed and the useed bit in the machine
> security configuration register (mseccfg).
>
> Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>

Looks good to me.

Reviewed-by: Anup Patel <anup at brainfault.org>

Applied this patch to the riscv/opensbi repo.

Thanks,
Anup

> ---
> Just resending this patch which should be merged independent of how
> we set mseccfg.sseed in future.
> ---
>  include/sbi/riscv_encoding.h | 4 ++++
>  1 file changed, 4 insertions(+)
>
> diff --git a/include/sbi/riscv_encoding.h b/include/sbi/riscv_encoding.h
> index a545242..0996d64 100644
> --- a/include/sbi/riscv_encoding.h
> +++ b/include/sbi/riscv_encoding.h
> @@ -678,6 +678,10 @@
>  #define MSECCFG_MMWP                   (_UL(1) << MSECCFG_MMWP_SHIFT)
>  #define MSECCFG_RLB_SHIFT              (2)
>  #define MSECCFG_RLB                    (_UL(1) << MSECCFG_RLB_SHIFT)
> +#define MSECCFG_USEED_SHIFT            (8)
> +#define MSECCFG_USEED                  (_UL(1) << MSECCFG_USEED_SHIFT)
> +#define MSECCFG_SSEED_SHIFT            (9)
> +#define MSECCFG_SSEED                  (_UL(1) << MSECCFG_SSEED_SHIFT)
>
>  /* Counter Overflow CSR */
>  #define CSR_SCOUNTOVF                  0xda0
> --
> 2.40.1
>