3 Copyright (c) 2006, Intel Corporation
4 All rights reserved. This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
25 #include "EfiDriverLib.h"
27 #include EFI_PROTOCOL_DEFINITION (LegacyBios)
29 UINT8 mShadowRomFlag
= 0;
35 EFI_LEGACY_BIOS_PROTOCOL
*LegacyBios
;
37 // Rom shadow only do once.
39 if (mShadowRomFlag
== 0) {
40 Status
= gBS
->LocateProtocol (
41 &gEfiLegacyBiosProtocolGuid
,
45 if (!EFI_ERROR (Status
)) {
46 LegacyBios
->PrepareToBootEfi (LegacyBios
, NULL
, NULL
);