[kvmtool PATCH 04/10] riscv: Add Zba and Zbs extension support
Anup Patel
apatel at ventanamicro.com
Tue Nov 28 06:56:22 PST 2023
When the Zba and Zbs 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 | 2 ++
riscv/include/kvm/kvm-config-arch.h | 6 ++++++
2 files changed, 8 insertions(+)
diff --git a/riscv/fdt.c b/riscv/fdt.c
index 230d1f8..cfe4678 100644
--- a/riscv/fdt.c
+++ b/riscv/fdt.c
@@ -21,7 +21,9 @@ struct isa_ext_info isa_info_arr[] = {
{"svinval", KVM_RISCV_ISA_EXT_SVINVAL},
{"svnapot", KVM_RISCV_ISA_EXT_SVNAPOT},
{"svpbmt", KVM_RISCV_ISA_EXT_SVPBMT},
+ {"zba", KVM_RISCV_ISA_EXT_ZBA},
{"zbb", KVM_RISCV_ISA_EXT_ZBB},
+ {"zbs", KVM_RISCV_ISA_EXT_ZBS},
{"zicbom", KVM_RISCV_ISA_EXT_ZICBOM},
{"zicboz", KVM_RISCV_ISA_EXT_ZICBOZ},
{"zihintpause", KVM_RISCV_ISA_EXT_ZIHINTPAUSE},
diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
index 863baea..978037a 100644
--- a/riscv/include/kvm/kvm-config-arch.h
+++ b/riscv/include/kvm/kvm-config-arch.h
@@ -40,9 +40,15 @@ struct kvm_config_arch {
OPT_BOOLEAN('\0', "disable-svpbmt", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_SVPBMT], \
"Disable Svpbmt Extension"), \
+ OPT_BOOLEAN('\0', "disable-zba", \
+ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZBA], \
+ "Disable Zba Extension"), \
OPT_BOOLEAN('\0', "disable-zbb", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZBB], \
"Disable Zbb Extension"), \
+ OPT_BOOLEAN('\0', "disable-zbs", \
+ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZBS], \
+ "Disable Zbs Extension"), \
OPT_BOOLEAN('\0', "disable-zicbom", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZICBOM], \
"Disable Zicbom Extension"), \
--
2.34.1
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