UEFI HII: Merge UEFI HII support changes from branch.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4599 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/BdsDxe/BootMaint/BBSsupport.h

@@ -0,0 +1,78 @@
+/*++
+
+Copyright (c) 2004 - 2008, 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:
+
+  BBSsupport.h
+
+Abstract:
+
+  declares interface functions
+
+Revision History
+
+--*/
+
+#ifndef _EFI_BDS_BBS_SUPPORT_H
+#define _EFI_BDS_BBS_SUPPORT_H
+
+#include "BootMaint.h"
+//
+// Bugbug: Candidate for a PCD entries
+//
+#define MAX_BBS_ENTRIES 0x100
+
+VOID
+BdsBuildLegacyDevNameString (
+  IN BBS_TABLE                     *CurBBSEntry,
+  IN UINTN                         Index,
+  IN UINTN                         BufSize,
+  OUT CHAR16                       *BootString
+  );
+
+EFI_STATUS
+BdsDeleteAllInvalidLegacyBootOptions (
+  VOID
+  );
+
+EFI_STATUS
+BdsAddNonExistingLegacyBootOptions (
+  VOID
+  )
+/*++
+
+Routine Description:
+
+  Add the legacy boot options from BBS table if they do not exist.
+
+Arguments:
+
+  None.
+
+Returns:
+
+  EFI_SUCCESS       - The boot options are added successfully or they are already in boot options.
+  others            - An error occurred when creating legacy boot options.
+
+--*/
+;
+
+EFI_STATUS
+BdsUpdateLegacyDevOrder (
+  VOID
+  );
+
+EFI_STATUS
+BdsRefreshBbsTableForBoot (
+  IN BDS_COMMON_OPTION        *Entry
+  );
+
+#endif