Removed duplicate PalCallStatic functions in different libraries. Moved ReadItc and...
[mirror_edk2.git] / EdkNt32Pkg / Library / EdkGenericBdsLib / Ipf / ShadowRom.c
1 /*++
2
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
8
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.
11
12 Module Name:
13
14 ShadowRom.c
15
16 Abstract:
17
18 Shadow all option rom
19
20 Revision History
21
22 --*/
23
24 #include "Tiano.h"
25 #include "EfiDriverLib.h"
26
27 #include EFI_PROTOCOL_DEFINITION (LegacyBios)
28
29 UINT8 mShadowRomFlag = 0;
30
31 VOID
32 ShadowAllOptionRom()
33 {
34 EFI_STATUS Status;
35 EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
36 //
37 // Rom shadow only do once.
38 //
39 if (mShadowRomFlag == 0) {
40 Status = gBS->LocateProtocol (
41 &gEfiLegacyBiosProtocolGuid,
42 NULL,
43 &LegacyBios
44 );
45 if (!EFI_ERROR (Status)) {
46 LegacyBios->PrepareToBootEfi (LegacyBios, NULL, NULL);
47 }
48
49 mShadowRomFlag = 1;
50 }
51
52 return ;
53 }