Move BdsDxe and GenericBdsLib to IntelFrameworkModulePkg, these modules need dependen...

[mirror_edk2.git] / IntelFrameworkModulePkg / Library / GenericBdsLib / Ipf / ShadowRom.c

diff --git a/IntelFrameworkModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c b/IntelFrameworkModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c
new file mode 100644 (file)
index 0000000..10e8f55
--- /dev/null
+++ b/IntelFrameworkModulePkg/Library/GenericBdsLib/Ipf/ShadowRom.c
@@ -0,0 +1,46 @@
+/** @file\r
+  Shadow all option rom\r
+\r
+Copyright (c) 2004 - 2008, Intel Corporation. <BR>\r
+All rights reserved. This program and the accompanying materials\r
+are licensed and made available under the terms and conditions of the BSD License\r
+which accompanies this distribution.  The full text of the license may be found at\r
+http://opensource.org/licenses/bsd-license.php\r
+\r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+\r
+**/\r
+\r
+#include "InternalBdsLib.h"\r
+\r
+UINT8 mShadowRomFlag = 0;\r
+\r
+/**\r
+  Shadow all opton ROM if the it is not done.\r
+**/\r
+VOID\r
+ShadowAllOptionRom(\r
+  VOID\r
+  )\r
+{\r
+  EFI_STATUS                Status;\r
+  EFI_LEGACY_BIOS_PROTOCOL  *LegacyBios;\r
+  //\r
+  // Rom shadow only do once.\r
+  //\r
+  if (mShadowRomFlag == 0) {\r
+    Status = gBS->LocateProtocol (\r
+                    &gEfiLegacyBiosProtocolGuid,\r
+                    NULL,\r
+                    (VOID **) &LegacyBios\r
+                    );\r
+    if (!EFI_ERROR (Status)) {\r
+      LegacyBios->PrepareToBootEfi (LegacyBios, NULL, NULL);\r
+    }\r
+\r
+    mShadowRomFlag = 1;\r
+  }\r
+\r
+  return ;\r
+}\r