[kvmtool PATCH 1/1] riscv: Add zacas extension

[秦少青]

Add parsing for Zacas ISA extension which was ratified recently in the
riscv-zacas manual.

Signed-off-by: Shaoqing Qin <qinshaoqing at bosc.ac.cn>
---
 riscv/fdt.c                         | 1 +
 riscv/include/asm/kvm.h             | 1 +
 riscv/include/kvm/kvm-config-arch.h | 3 +++
 3 files changed, 5 insertions(+)

diff --git a/riscv/fdt.c b/riscv/fdt.c
index 9af71b5..1b4f701 100644
--- a/riscv/fdt.c
+++ b/riscv/fdt.c
@@ -22,6 +22,7 @@ struct isa_ext_info isa_info_arr[] = {
 	{"svnapot", KVM_RISCV_ISA_EXT_SVNAPOT},
 	{"svpbmt", KVM_RISCV_ISA_EXT_SVPBMT},
 	{"zbb", KVM_RISCV_ISA_EXT_ZBB},
+	{"zacas", KVM_RISCV_ISA_EXT_ZACAS},
 	{"zicbom", KVM_RISCV_ISA_EXT_ZICBOM},
 	{"zicboz", KVM_RISCV_ISA_EXT_ZICBOZ},
 	{"zihintpause", KVM_RISCV_ISA_EXT_ZIHINTPAUSE},
diff --git a/riscv/include/asm/kvm.h b/riscv/include/asm/kvm.h
index 992c5e4..0c65ff0 100644
--- a/riscv/include/asm/kvm.h
+++ b/riscv/include/asm/kvm.h
@@ -122,6 +122,7 @@ enum KVM_RISCV_ISA_EXT_ID {
 	KVM_RISCV_ISA_EXT_ZICBOM,
 	KVM_RISCV_ISA_EXT_ZICBOZ,
 	KVM_RISCV_ISA_EXT_ZBB,
+	KVM_RISCV_ISA_EXT_ZACAS,
 	KVM_RISCV_ISA_EXT_SSAIA,
 	KVM_RISCV_ISA_EXT_V,
 	KVM_RISCV_ISA_EXT_SVNAPOT,
diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
index 863baea..7840f91 100644
--- a/riscv/include/kvm/kvm-config-arch.h
+++ b/riscv/include/kvm/kvm-config-arch.h
@@ -43,6 +43,9 @@ struct kvm_config_arch {
 	OPT_BOOLEAN('\0', "disable-zbb",				\
 		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZBB],	\
 		    "Disable Zbb Extension"),				\
+	OPT_BOOLEAN('\0', "disable-zacas",				\
+		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZACAS],	\
+		    "Disable Zacas Extension"),				\
 	OPT_BOOLEAN('\0', "disable-zicbom",				\
 		    &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZICBOM],	\
 		    "Disable Zicbom Extension"),			\
-- 
2.43.0