[kvmtool PATCH 04/10] riscv: Add Ziccrse extension support

[Andrew Jones]

On Wed, Mar 26, 2025 at 12:26:38PM +0530, Anup Patel wrote:
> When the Ziccrse extension is available expose it to the guest
> via device tree so that guest can use it.
> 
> Signed-off-by: Anup Patel <apatel at ventanamicro.com>
> ---
>  riscv/fdt.c                         | 1 +
>  riscv/include/kvm/kvm-config-arch.h | 3 +++
>  2 files changed, 4 insertions(+)
> 
> diff --git a/riscv/fdt.c b/riscv/fdt.c
> index ddd0b28..3ee20a9 100644
> --- a/riscv/fdt.c
> +++ b/riscv/fdt.c
> @@ -48,6 +48,7 @@ struct isa_ext_info isa_info_arr[] = {
>  	{"zfhmin", KVM_RISCV_ISA_EXT_ZFHMIN},
>  	{"zicbom", KVM_RISCV_ISA_EXT_ZICBOM},
>  	{"zicboz", KVM_RISCV_ISA_EXT_ZICBOZ},
> +	{"ziccrse", KVM_RISCV_ISA_EXT_ZICCRSE},
>  	{"zicntr", KVM_RISCV_ISA_EXT_ZICNTR},
>  	{"zicond", KVM_RISCV_ISA_EXT_ZICOND},
>  	{"zicsr", KVM_RISCV_ISA_EXT_ZICSR},
> diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
> index d86158d..5badb74 100644
> --- a/riscv/include/kvm/kvm-config-arch.h
> +++ b/riscv/include/kvm/kvm-config-arch.h
> @@ -121,6 +121,9 @@ struct kvm_config_arch {
>  	OPT_BOOLEAN('\0', "disable-zicboz",				\
>  		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZICBOZ],	\
>  		    "Disable Zicboz Extension"),			\
> +	OPT_BOOLEAN('\0', "disable-ziccrse",				\
> +		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZICCRSE],	\
> +		    "Disable Ziccrse Extension"),			\
>  	OPT_BOOLEAN('\0', "disable-zicntr",				\
>  		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZICNTR],	\
>  		    "Disable Zicntr Extension"),			\
> -- 
> 2.43.0
>

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