[kvmtool PATCH 03/10] riscv: Add Zabha extension support
Anup Patel
apatel at ventanamicro.com
Tue Mar 25 23:56:37 PDT 2025
When the Zabha 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 c1e688d..ddd0b28 100644
--- a/riscv/fdt.c
+++ b/riscv/fdt.c
@@ -28,6 +28,7 @@ struct isa_ext_info isa_info_arr[] = {
{"svnapot", KVM_RISCV_ISA_EXT_SVNAPOT},
{"svpbmt", KVM_RISCV_ISA_EXT_SVPBMT},
{"svvptc", KVM_RISCV_ISA_EXT_SVVPTC},
+ {"zabha", KVM_RISCV_ISA_EXT_ZABHA},
{"zacas", KVM_RISCV_ISA_EXT_ZACAS},
{"zawrs", KVM_RISCV_ISA_EXT_ZAWRS},
{"zba", KVM_RISCV_ISA_EXT_ZBA},
diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
index ae01e14..d86158d 100644
--- a/riscv/include/kvm/kvm-config-arch.h
+++ b/riscv/include/kvm/kvm-config-arch.h
@@ -61,6 +61,9 @@ struct kvm_config_arch {
OPT_BOOLEAN('\0', "disable-svvptc", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_SVVPTC], \
"Disable Svvptc Extension"), \
+ OPT_BOOLEAN('\0', "disable-zabha", \
+ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZABHA], \
+ "Disable Zabha Extension"), \
OPT_BOOLEAN('\0', "disable-zacas", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZACAS], \
"Disable Zacas Extension"), \
--
2.43.0
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