[kvmtool PATCH 09/10] riscv: Add Zfa extensiona support

[Andrew Jones]

On Wed, Feb 14, 2024 at 05:51:40PM +0530, Anup Patel wrote:
> When the Zfa 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 005301e..cc8070d 100644
> --- a/riscv/fdt.c
> +++ b/riscv/fdt.c
> @@ -29,6 +29,7 @@ struct isa_ext_info isa_info_arr[] = {
>  	{"zbkc", KVM_RISCV_ISA_EXT_ZBKC},
>  	{"zbkx", KVM_RISCV_ISA_EXT_ZBKX},
>  	{"zbs", KVM_RISCV_ISA_EXT_ZBS},
> +	{"zfa", KVM_RISCV_ISA_EXT_ZFA},
>  	{"zfh", KVM_RISCV_ISA_EXT_ZFH},
>  	{"zfhmin", KVM_RISCV_ISA_EXT_ZFHMIN},
>  	{"zicbom", KVM_RISCV_ISA_EXT_ZICBOM},
> diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
> index 10ca3b8..6415d3d 100644
> --- a/riscv/include/kvm/kvm-config-arch.h
> +++ b/riscv/include/kvm/kvm-config-arch.h
> @@ -64,6 +64,9 @@ struct kvm_config_arch {
>  	OPT_BOOLEAN('\0', "disable-zbs",				\
>  		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZBS],	\
>  		    "Disable Zbs Extension"),				\
> +	OPT_BOOLEAN('\0', "disable-zfa",				\
> +		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZFA],	\
> +		    "Disable Zfa Extension"),				\
>  	OPT_BOOLEAN('\0', "disable-zfh",				\
>  		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZFH],	\
>  		    "Disable Zfh Extension"),				\
> -- 
> 2.34.1
>

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