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

Xiang W wxjstz at 126.com
Sun Oct 29 09:42:02 PDT 2023


在 2023-10-29星期日的 00:49 +0200,Heinrich Schuchardt写道:
> 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>
LGTM

Reviewed-by: Xiang W <wxjstz at 126.com>
> ---
> 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
> 
> 




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