diff mbox series

[kvmtool,03/10] riscv: Add Zbc extension support

Message ID 20240214122141.305126-4-apatel@ventanamicro.com (mailing list archive)
State New, archived
Headers show
Series More ISA extensions | expand

Commit Message

Anup Patel Feb. 14, 2024, 12:21 p.m. UTC 
When the Zbc extension is available expose it to the guest
via device tree so that guest can use it.

Signed-off-by: Anup Patel <apatel@ventanamicro.com>
---
 riscv/fdt.c                         | 1 +
 riscv/include/kvm/kvm-config-arch.h | 3 +++
 2 files changed, 4 insertions(+)

Comments

Andrew Jones March 5, 2024, 1:35 p.m. UTC | #1 
On Wed, Feb 14, 2024 at 05:51:34PM +0530, Anup Patel wrote:
> When the Zbc extension is available expose it to the guest
> via device tree so that guest can use it.
> 
> Signed-off-by: Anup Patel <apatel@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 8485acf..84b6087 100644
> --- a/riscv/fdt.c
> +++ b/riscv/fdt.c
> @@ -24,6 +24,7 @@ struct isa_ext_info isa_info_arr[] = {
>  	{"svpbmt", KVM_RISCV_ISA_EXT_SVPBMT},
>  	{"zba", KVM_RISCV_ISA_EXT_ZBA},
>  	{"zbb", KVM_RISCV_ISA_EXT_ZBB},
> +	{"zbc", KVM_RISCV_ISA_EXT_ZBC},
>  	{"zbs", KVM_RISCV_ISA_EXT_ZBS},
>  	{"zicbom", KVM_RISCV_ISA_EXT_ZICBOM},
>  	{"zicboz", KVM_RISCV_ISA_EXT_ZICBOZ},
> diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
> index d2fc2d4..6d09eee 100644
> --- a/riscv/include/kvm/kvm-config-arch.h
> +++ b/riscv/include/kvm/kvm-config-arch.h
> @@ -49,6 +49,9 @@ struct kvm_config_arch {
>  	OPT_BOOLEAN('\0', "disable-zbb",				\
>  		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZBB],	\
>  		    "Disable Zbb Extension"),				\
> +	OPT_BOOLEAN('\0', "disable-zbc",				\
> +		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZBC],	\
> +		    "Disable Zbc Extension"),				\
>  	OPT_BOOLEAN('\0', "disable-zbs",				\
>  		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZBS],	\
>  		    "Disable Zbs Extension"),				\
> -- 
> 2.34.1
>

Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
diff mbox series

Patch

diff --git a/riscv/fdt.c b/riscv/fdt.c
index 8485acf..84b6087 100644
--- a/riscv/fdt.c
+++ b/riscv/fdt.c
@@ -24,6 +24,7 @@  struct isa_ext_info isa_info_arr[] = {
 	{"svpbmt", KVM_RISCV_ISA_EXT_SVPBMT},
 	{"zba", KVM_RISCV_ISA_EXT_ZBA},
 	{"zbb", KVM_RISCV_ISA_EXT_ZBB},
+	{"zbc", KVM_RISCV_ISA_EXT_ZBC},
 	{"zbs", KVM_RISCV_ISA_EXT_ZBS},
 	{"zicbom", KVM_RISCV_ISA_EXT_ZICBOM},
 	{"zicboz", KVM_RISCV_ISA_EXT_ZICBOZ},
diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
index d2fc2d4..6d09eee 100644
--- a/riscv/include/kvm/kvm-config-arch.h
+++ b/riscv/include/kvm/kvm-config-arch.h
@@ -49,6 +49,9 @@  struct kvm_config_arch {
 	OPT_BOOLEAN('\0', "disable-zbb",				\
 		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZBB],	\
 		    "Disable Zbb Extension"),				\
+	OPT_BOOLEAN('\0', "disable-zbc",				\
+		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZBC],	\
+		    "Disable Zbc Extension"),				\
 	OPT_BOOLEAN('\0', "disable-zbs",				\
 		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZBS],	\
 		    "Disable Zbs Extension"),				\