1 files changed, 10 insertions, 0 deletions
diff --git a/tools/testing/selftests/kvm/lib/riscv/processor.c b/tools/testing/selftests/kvm/lib/riscv/processor.c
index 4be94d0f0b94..ec66d331a127 100644
--- a/tools/testing/selftests/kvm/lib/riscv/processor.c
+++ b/tools/testing/selftests/kvm/lib/riscv/processor.c
@@ -15,6 +15,16 @@
 
 static vm_vaddr_t exception_handlers;
 
+bool __vcpu_has_ext(struct kvm_vcpu *vcpu, uint64_t ext)
+{
+	unsigned long value = 0;
+	int ret;
+
+	ret = __vcpu_get_reg(vcpu, ext, &value);
+
+	return !ret && !!value;
+}
+
 static uint64_t page_align(struct kvm_vm *vm, uint64_t v)
 {
 	return (v + vm->page_size) & ~(vm->page_size - 1);