MdePkg: Add AML OpCode definition for ExternalOp

The ACPI specification, version 6.3, January 2019,
defines the Named Object Encoding for ExternalOp
in section '20.2.5.2 Named Objects Encoding'.

This patch adds the definition for ExternalOp to
the list of Primary Opcode definitions.

Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>

diff --git a/MdePkg/Include/IndustryStandard/AcpiAml.h b/MdePkg/Include/IndustryStandard/AcpiAml.h
index 6919622af212c58dd92fc4d2bbd3b9447961d20a..3dd5408b359f9192e2fa9cedd0260a0f6bb5603a 100644 (file)
--- a/MdePkg/Include/IndustryStandard/AcpiAml.h
+++ b/MdePkg/Include/IndustryStandard/AcpiAml.h
@@ -2,6 +2,7 @@
   This file contains AML code definition in the latest ACPI spec.\r
 \r
   Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2019, ARM Limited. All rights reserved.<BR>\r
   SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 **/\r
@@ -30,6 +31,7 @@
 #define AML_PACKAGE_OP               0x12\r
 #define AML_VAR_PACKAGE_OP           0x13\r
 #define AML_METHOD_OP                0x14\r
+#define AML_EXTERNAL_OP              0x15\r
 #define AML_DUAL_NAME_PREFIX         0x2e\r
 #define AML_MULTI_NAME_PREFIX        0x2f\r
 #define AML_NAME_CHAR_A              0x41\r