--- /dev/null
+/** @file\r
+ Guid is for GUIDED HOB of LDR memory descriptor.\r
+\r
+Copyright (c) 2011, Intel Corporation. All rights reserved.<BR>\r
+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
+\r
+#ifndef __LDR_MEMORY_DESCRIPTOR__\r
+#define __LDR_MEMORY_DESCRIPTOR__\r
+\r
+#define LDR_MEMORY_DESCRIPTOR_GUID \\r
+ { 0x7701d7e5, 0x7d1d, 0x4432, {0xa4, 0x68, 0x67, 0x3d, 0xab, 0x8a, 0xde, 0x60}}\r
+\r
+#pragma pack(1)\r
+\r
+typedef struct {\r
+ EFI_HOB_GUID_TYPE Hob;\r
+ UINTN MemDescCount;\r
+ EFI_MEMORY_DESCRIPTOR *MemDesc;\r
+} MEMORY_DESC_HOB;\r
+\r
+#pragma pack()\r
+\r
+extern EFI_GUID gLdrMemoryDescriptorGuid;\r
+\r
+#endif\r