[PATCH v3 1/5] include: sbi: Add SBI SRST extension related defines

Alistair Francis Alistair.Francis at wdc.com
Mon Nov 30 20:41:19 EST 2020


On Wed, 2020-11-25 at 10:46 +0530, Anup Patel wrote:
> We extend the SBI ecall interface header for the SBI SRST extension
> recently accepted in SBI specification v0.3-draft.
> 
> Signed-off-by: Anup Patel <anup.patel at wdc.com>


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

Alistair

> ---
>  include/sbi/sbi_ecall_interface.h | 12 ++++++++++++
>  1 file changed, 12 insertions(+)
> 
> diff --git a/include/sbi/sbi_ecall_interface.h
> b/include/sbi/sbi_ecall_interface.h
> index af30500..002c6f9 100644
> --- a/include/sbi/sbi_ecall_interface.h
> +++ b/include/sbi/sbi_ecall_interface.h
> @@ -27,6 +27,7 @@
>  #define SBI_EXT_IPI                            0x735049
>  #define SBI_EXT_RFENCE                         0x52464E43
>  #define SBI_EXT_HSM                            0x48534D
> +#define SBI_EXT_SRST                           0x53525354
>  
>  /* SBI function IDs for BASE extension*/
>  #define SBI_EXT_BASE_GET_SPEC_VERSION          0x0
> @@ -62,6 +63,17 @@
>  #define SBI_HSM_HART_STATUS_START_PENDING      0x2
>  #define SBI_HSM_HART_STATUS_STOP_PENDING       0x3
>  
> +/* SBI function IDs for SRST extension */
> +#define SBI_EXT_SRST_RESET                     0x0
> +
> +#define SBI_SRST_RESET_TYPE_SHUTDOWN           0x0
> +#define SBI_SRST_RESET_TYPE_COLD_REBOOT        0x1
> +#define SBI_SRST_RESET_TYPE_WARM_REBOOT        0x2
> +#define
> SBI_SRST_RESET_TYPE_LAST       SBI_SRST_RESET_TYPE_WARM_REBOOT
> +
> +#define SBI_SRST_RESET_REASON_NONE     0x0
> +#define SBI_SRST_RESET_REASON_SYSFAIL  0x1
> +
>  #define SBI_SPEC_VERSION_MAJOR_OFFSET          24
>  #define SBI_SPEC_VERSION_MAJOR_MASK            0x7f
>  #define SBI_SPEC_VERSION_MINOR_MASK            0xffffff



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