--- /dev/null
+/**@file\r
+ S3 Library. This library class defines a set of methods related do S3 mode\r
+\r
+Copyright (c) 2006 - 2007 Intel Corporation\r
+All rights reserved. This program and the accompanying materials\r
+are licensed and made available under the terms and conditions of the BSD License\r
+which accompanies this distribution. The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php\r
+\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+#include <PiPei.h>\r
+\r
+/**\r
+ Calling this function causes the system restore config from S3.\r
+ \r
+ @retval EFI_SUCESS Sucess to restore config from S3.\r
+ @retval Others Fail to restore config from S3.\r
+**/\r
+EFI_STATUS\r
+EFIAPI\r
+S3RestoreConfig (\r
+ VOID\r
+ )\r
+{\r
+ return EFI_UNSUPPORTED;\r
+}\r
+\r