Add in the 1st version of ECP.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2832 6f19259b-4bc3-4df7-8a09-765794883524

EdkCompatibilityPkg/Foundation/Guid/EventLegacyBios/EventLegacyBios.h

@@ -0,0 +1,28 @@
+/** @file
+	GUID is the name of events used with CreateEventEx in order to be notified when the EFI boot manager is about to boot a legacy boot option.  Events of this type are notificated just before Int19h is invoked. 
+
+	Copyright (c) 2006, Intel Corporation                                                         
+	All rights reserved. This program and the accompanying materials                          
+	are licensed and made available under the terms and conditions of the BSD License         
+	which accompanies this distribution.  The full text of the license may be found at        
+	http://opensource.org/licenses/bsd-license.php                                            
+
+	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
+	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
+
+	Module Name:	EventLegacyBios.h
+
+	@par Revision Reference:
+	GUIDs defined in DXE CIS 0.91b.
+
+**/
+
+#ifndef __EVENT_LEGACY_BIOS_GUID_H__
+#define __EVENT_LEGACY_BIOS_GUID_H__
+
+#define EFI_EVENT_LEGACY_BOOT_GUID \
+   { 0x2a571201, 0x4966, 0x47f6, 0x8b, 0x86, 0xf3, 0x1e, 0x41, 0xf3, 0x2f, 0x10 }
+
+extern EFI_GUID gEfiEventLegacyBootGuid;
+
+#endif