From 5c08e1173703234cc2913757f237ee916087498a Mon Sep 17 00:00:00 2001
From: klu2 <klu2@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 23 Jan 2009 07:24:55 +0000
Subject: 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
---
 .../Library/GenericBdsLib/Ipf/ShadowRom.c          | 46 ++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100644 IntelFrameworkModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c

(limited to 'IntelFrameworkModulePkg/Library/GenericBdsLib/Ipf')

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 ;
+}
-- 
cgit v1.2.3