acpi: add aml_method() term

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index c955d664ae55a8fd0c048bfa5bac23dcd4ff1030..4e0685e37a706ab6f7f4488dc1ab1e6a64965645 100644 (file)
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -356,6 +356,15 @@ Aml *aml_scope(const char *name_format, ...)
     return var;
 }
 
+/* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefMethod */
+Aml *aml_method(const char *name, int arg_count)
+{
+    Aml *var = aml_bundle(0x14 /* MethodOp */, AML_PACKAGE);
+    build_append_namestring(var->buf, "%s", name);
+    build_append_byte(var->buf, arg_count); /* MethodFlags: ArgCount */
+    return var;
+}
+
 /* ACPI 1.0b: 16.2.5.2 Named Objects Encoding: DefDevice */
 Aml *aml_device(const char *name_format, ...)
 {

diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 004fa05cdcabe5fe3f29c83b3a5e9e78e686dae2..97e210a1f30c55cd9f6a9d66f00b4a68580c7c76 100644 (file)
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -62,6 +62,7 @@ void aml_append(Aml *parent_ctx, Aml *child);
 /* Block AML object primitives */
 Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
 Aml *aml_device(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
+Aml *aml_method(const char *name, int arg_count);
 
 /* other helpers */
 GArray *build_alloc_array(void);