[PATCH v5 11/13] riscv: Add ISA extension parsing for Ziccrse

[Andrew Jones]

On Sun, Aug 18, 2024 at 08:35:36AM GMT, Alexandre Ghiti wrote:
> Add support to parse the Ziccrse string in the riscv,isa string.
> 
> Signed-off-by: Alexandre Ghiti <alexghiti at rivosinc.com>
> ---
>  arch/riscv/include/asm/hwcap.h | 1 +
>  arch/riscv/kernel/cpufeature.c | 1 +
>  2 files changed, 2 insertions(+)
> 
> diff --git a/arch/riscv/include/asm/hwcap.h b/arch/riscv/include/asm/hwcap.h
> index f5d53251c947..9e228b079a6d 100644
> --- a/arch/riscv/include/asm/hwcap.h
> +++ b/arch/riscv/include/asm/hwcap.h
> @@ -93,6 +93,7 @@
>  #define RISCV_ISA_EXT_ZCMOP		84
>  #define RISCV_ISA_EXT_ZAWRS		85
>  #define RISCV_ISA_EXT_ZABHA		86
> +#define RISCV_ISA_EXT_ZICCRSE		87
>  
>  #define RISCV_ISA_EXT_XLINUXENVCFG	127
>  
> diff --git a/arch/riscv/kernel/cpufeature.c b/arch/riscv/kernel/cpufeature.c
> index 67ebcc4c9424..ea9c255bbe3d 100644
> --- a/arch/riscv/kernel/cpufeature.c
> +++ b/arch/riscv/kernel/cpufeature.c
> @@ -314,6 +314,7 @@ const struct riscv_isa_ext_data riscv_isa_ext[] = {
>  					  riscv_ext_zicbom_validate),
>  	__RISCV_ISA_EXT_SUPERSET_VALIDATE(zicboz, RISCV_ISA_EXT_ZICBOZ, riscv_xlinuxenvcfg_exts,
>  					  riscv_ext_zicboz_validate),
> +	__RISCV_ISA_EXT_DATA(ziccrse, RISCV_ISA_EXT_ZICCRSE),
>  	__RISCV_ISA_EXT_DATA(zicntr, RISCV_ISA_EXT_ZICNTR),
>  	__RISCV_ISA_EXT_DATA(zicond, RISCV_ISA_EXT_ZICOND),
>  	__RISCV_ISA_EXT_DATA(zicsr, RISCV_ISA_EXT_ZICSR),
> -- 
> 2.39.2
> 
>

Reviewed-by: Andrew Jones <ajones at ventanamicro.com>