--- /dev/null
+/** @file\r
+ Defines the HOB GUID used to pass a TCG_PCR_EVENT from a TPM PEIM to \r
+ a TPM DXE Driver. A GUIDed HOB is generated for each measurement \r
+ made in the PEI Phase.\r
+ \r
+Copyright (c) 2007 - 2010, 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 _TCG_EVENT_HOB_H_\r
+#define _TCG_EVENT_HOB_H_\r
+\r
+///\r
+/// The Global ID of a GUIDed HOB used to pass a TCG_PCR_EVENT from a TPM PEIM to a TPM DXE Driver.\r
+///\r
+#define EFI_TCG_EVENT_HOB_GUID \\r
+ { \\r
+ 0x2e3044ac, 0x879f, 0x490f, {0x97, 0x60, 0xbb, 0xdf, 0xaf, 0x69, 0x5f, 0x50 } \\r
+ }\r
+\r
+extern EFI_GUID gTcgEventEntryHobGuid;\r
+\r
+#endif\r