diff options
| author | tgingold <tgingold@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-02-12 23:39:38 +0000 |
|---|---|---|
| committer | tgingold <tgingold@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-02-12 23:39:38 +0000 |
| commit | 8033e9314810ae2e7544bd35fa30451f0a8b7d16 (patch) | |
| tree | 257aba484c1394ee5a03a538865ed3b44d388f27 /EdkModulePkg/Library/EdkGenericBdsLib/Ipf | |
| parent | 15f83a8852a33624902bf4476a20ac9e5f3adae5 (diff) | |
| download | edk2-8033e9314810ae2e7544bd35fa30451f0a8b7d16.zip edk2-8033e9314810ae2e7544bd35fa30451f0a8b7d16.tar.gz edk2-8033e9314810ae2e7544bd35fa30451f0a8b7d16.tar.bz2 | |
EdkGenericBdsLib added
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2367 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'EdkModulePkg/Library/EdkGenericBdsLib/Ipf')
| -rw-r--r-- | EdkModulePkg/Library/EdkGenericBdsLib/Ipf/ShadowRom.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/EdkModulePkg/Library/EdkGenericBdsLib/Ipf/ShadowRom.c b/EdkModulePkg/Library/EdkGenericBdsLib/Ipf/ShadowRom.c new file mode 100644 index 0000000..bbd7220 --- /dev/null +++ b/EdkModulePkg/Library/EdkGenericBdsLib/Ipf/ShadowRom.c @@ -0,0 +1,48 @@ +/*++
+
+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:
+
+ ShadowRom.c
+
+Abstract:
+
+ Shadow all option rom
+
+Revision History
+
+--*/
+
+UINT8 mShadowRomFlag = 0;
+
+VOID
+ShadowAllOptionRom()
+{
+ EFI_STATUS Status;
+ EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
+ //
+ // Rom shadow only do once.
+ //
+ if (mShadowRomFlag == 0) {
+ Status = gBS->LocateProtocol (
+ &gEfiLegacyBiosProtocolGuid,
+ NULL,
+ &LegacyBios
+ );
+ if (!EFI_ERROR (Status)) {
+ LegacyBios->PrepareToBootEfi (LegacyBios, NULL, NULL);
+ }
+
+ mShadowRomFlag = 1;
+ }
+
+ return ;
+}
|