riscv: Add Zawrs extension support
When the Zawrs 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>
Link: https://lore.kernel.org/r/20241005080024.11927-3-apatel@ventanamicro.com
Signed-off-by: Will Deacon <will@kernel.org>
diff --git a/riscv/fdt.c b/riscv/fdt.c
index e331f80..9d0c038 100644
--- a/riscv/fdt.c
+++ b/riscv/fdt.c
@@ -24,6 +24,7 @@
{"svnapot", KVM_RISCV_ISA_EXT_SVNAPOT},
{"svpbmt", KVM_RISCV_ISA_EXT_SVPBMT},
{"zacas", KVM_RISCV_ISA_EXT_ZACAS},
+ {"zawrs", KVM_RISCV_ISA_EXT_ZAWRS},
{"zba", KVM_RISCV_ISA_EXT_ZBA},
{"zbb", KVM_RISCV_ISA_EXT_ZBB},
{"zbc", KVM_RISCV_ISA_EXT_ZBC},
diff --git a/riscv/include/kvm/kvm-config-arch.h b/riscv/include/kvm/kvm-config-arch.h
index 3fbc4f7..0b79d62 100644
--- a/riscv/include/kvm/kvm-config-arch.h
+++ b/riscv/include/kvm/kvm-config-arch.h
@@ -49,6 +49,9 @@
OPT_BOOLEAN('\0', "disable-zacas", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZACAS], \
"Disable Zacas Extension"), \
+ OPT_BOOLEAN('\0', "disable-zawrs", \
+ &(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZAWRS], \
+ "Disable Zawrs Extension"), \
OPT_BOOLEAN('\0', "disable-zba", \
&(cfg)->ext_disabled[KVM_RISCV_ISA_EXT_ZBA], \
"Disable Zba Extension"), \
