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Commit | Line | Data |
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8033e931 | 1 | /*++\r |
2 | \r | |
3 | Copyright (c) 2006, Intel Corporation \r | |
4 | All rights reserved. This program and the accompanying materials \r | |
5 | are licensed and made available under the terms and conditions of the BSD License \r | |
6 | which accompanies this distribution. The full text of the license may be found at \r | |
7 | http://opensource.org/licenses/bsd-license.php \r | |
8 | \r | |
9 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r | |
10 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r | |
11 | \r | |
12 | Module Name:\r | |
13 | \r | |
14 | ShadowRom.c\r | |
15 | \r | |
16 | Abstract:\r | |
17 | \r | |
18 | Shadow all option rom\r | |
19 | \r | |
20 | Revision History\r | |
21 | \r | |
22 | --*/\r | |
23 | \r | |
24 | UINT8 mShadowRomFlag = 0;\r | |
25 | \r | |
26 | VOID\r | |
27 | ShadowAllOptionRom()\r | |
28 | {\r | |
29 | EFI_STATUS Status;\r | |
30 | EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;\r | |
31 | //\r | |
32 | // Rom shadow only do once.\r | |
33 | //\r | |
34 | if (mShadowRomFlag == 0) {\r | |
35 | Status = gBS->LocateProtocol (\r | |
36 | &gEfiLegacyBiosProtocolGuid,\r | |
37 | NULL,\r | |
38 | &LegacyBios\r | |
39 | );\r | |
40 | if (!EFI_ERROR (Status)) {\r | |
41 | LegacyBios->PrepareToBootEfi (LegacyBios, NULL, NULL);\r | |
42 | }\r | |
43 | \r | |
44 | mShadowRomFlag = 1;\r | |
45 | }\r | |
46 | \r | |
47 | return ;\r | |
48 | }\r |