diff options
| author | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-01-23 07:24:55 +0000 |
|---|---|---|
| committer | klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-01-23 07:24:55 +0000 |
| commit | 5c08e1173703234cc2913757f237ee916087498a (patch) | |
| tree | 9f44a4b93f9227b500019f053bbe0ace53050b7a /IntelFrameworkModulePkg/Library/GenericBdsLib/Ipf | |
| parent | c516c7178a735366468dd4692d121213bb137888 (diff) | |
| download | edk2-platforms-5c08e1173703234cc2913757f237ee916087498a.tar.xz | |
Move BdsDxe and GenericBdsLib to IntelFrameworkModulePkg, these modules need dependent on gEfiLegacyBiosProtocol to provide legacy boot support. But legacy boot is not described by PI/UEFI specification.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@7354 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'IntelFrameworkModulePkg/Library/GenericBdsLib/Ipf')
| -rw-r--r-- | IntelFrameworkModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c new file mode 100644 index 0000000000..10e8f55c55 --- /dev/null +++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c @@ -0,0 +1,46 @@ +/** @file
+ Shadow all option rom
+
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>
+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.
+
+**/
+
+#include "InternalBdsLib.h"
+
+UINT8 mShadowRomFlag = 0;
+
+/**
+ Shadow all opton ROM if the it is not done.
+**/
+VOID
+ShadowAllOptionRom(
+ VOID
+ )
+{
+ EFI_STATUS Status;
+ EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
+ //
+ // Rom shadow only do once.
+ //
+ if (mShadowRomFlag == 0) {
+ Status = gBS->LocateProtocol (
+ &gEfiLegacyBiosProtocolGuid,
+ NULL,
+ (VOID **) &LegacyBios
+ );
+ if (!EFI_ERROR (Status)) {
+ LegacyBios->PrepareToBootEfi (LegacyBios, NULL, NULL);
+ }
+
+ mShadowRomFlag = 1;
+ }
+
+ return ;
+}
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