1 /** @file 2 Defines a Tag GUID used to mark a UEFI legacy BIOS thunk driver based 3 on legacy BIOS services and legacy option ROM. This Tag GUID must be installed on 4 the ImageHandle of any module that follows the EFI Driver Model and uses 5 the Int86() or FarCall() services of the Legacy Bios Protocol to produce 6 a standard UEFI I/O Protocol. 7 8 Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> 9 10 This program and the accompanying materials 11 are licensed and made available under the terms and conditions 12 of the BSD License which accompanies this distribution. The 13 full text of the license may be found at 14 http://opensource.org/licenses/bsd-license.php 15 16 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 17 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 18 19 **/ 20 21 #ifndef _LEGACY_BIOS_H_ 22 #define _LEGACY_BIOS_H_ 23 24 /// 25 /// The Global ID for the Legacy BIOS GUID that must be installed onto the ImageHandle 26 /// of any module follows the EFI Driver Model and uses the Int86() or FarCall() 27 /// services of the Legacy BIOS Protocol to produce a standard UEFI I/O Protocol. 28 /// 29 #define EFI_LEGACY_BIOS_GUID \ 30 { \ 31 0x2e3044ac, 0x879f, 0x490f, {0x97, 0x60, 0xbb, 0xdf, 0xaf, 0x69, 0x5f, 0x50 } \ 32 } 33 34 extern EFI_GUID gEfiLegacyBiosGuid; 35 36 #endif 37