[PATCH 1/6] include: sbi: Add macro definitions for mseccfg CSR

Anup Patel anup at brainfault.org
Tue Jul 4 04:53:29 PDT 2023


On Tue, Jun 20, 2023 at 8:02 PM Himanshu Chauhan
<hchauhan at ventanamicro.com> wrote:
>
> - Add macros for Machine Security Configuration (mseccfg) CSR
> - Add macros to access/manipulate bits in msecfg CSR
>
> Signed-off-by: Himanshu Chauhan <hchauhan at ventanamicro.com>

Looks good to me.

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

Regards,
Anup

> ---
>  include/sbi/riscv_encoding.h | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
>
> diff --git a/include/sbi/riscv_encoding.h b/include/sbi/riscv_encoding.h
> index 4ebed97..50071ad 100644
> --- a/include/sbi/riscv_encoding.h
> +++ b/include/sbi/riscv_encoding.h
> @@ -663,6 +663,18 @@
>  #define CSR_MHPMEVENT30H               0x73e
>  #define CSR_MHPMEVENT31H               0x73f
>
> +/* Machine Security Configuration CSR (mseccfg) */
> +#define CSR_MSECCFG_LOWER              0x747
> +#define CSR_MSECCFG_UPPER              0x757
> +#define CSR_MSECCFG                    (CSR_MSECCFG_LOWER)
> +
> +#define MSECCFG_MML_SHIFT              (0)
> +#define MSECCFG_MML                    (_UL(1) << MSECCFG_MML_SHIFT)
> +#define MSECCFG_MMWP_SHIFT             (1)
> +#define MSECCFG_MMWP                   (_UL(1) << MSECCFG_MMWP_SHIFT)
> +#define MSECCFG_RLB_SHIFT              (2)
> +#define MSECCFG_RLB                    (_UL(1) << MSECCFG_RLB_SHIFT)
> +
>  /* Counter Overflow CSR */
>  #define CSR_SCOUNTOVF                  0xda0
>
> --
> 2.34.1
>
>
> --
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