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/Library/GenericBdsLib/R8Lib.h

@@ -0,0 +1,59 @@
+/**@file
+  Copyright (c) 2007, 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.
+
+
+**/
+
+
+
+/**
+  Get current boot mode.
+
+  @param  HobStart               Start pointer of hob list
+  @param  BootMode               Current boot mode recorded in PHIT hob
+
+  @retval EFI_NOT_FOUND          Invalid hob header
+  @retval EFI_SUCCESS            Boot mode found
+
+**/
+EFI_STATUS
+R8_GetHobBootMode (
+  IN  VOID           *HobStart,
+  OUT EFI_BOOT_MODE  *BootMode
+  )
+;
+
+
+
+
+/**
+  Get the next guid hob.
+
+  @param  HobStart               A pointer to the start hob.
+  @param  Guid                   A pointer to a guid.
+  @param  Buffer                 A pointer to the buffer.
+  @param  BufferSize             Buffer size.
+
+  @retval EFI_NOT_FOUND          Next Guid hob not found
+  @retval EFI_SUCCESS            Next Guid hob found and data for this Guid got
+  @retval EFI_INVALID_PARAMETER  invalid parameter
+
+**/
+EFI_STATUS
+R8_GetNextGuidHob (
+  IN OUT VOID      **HobStart,
+  IN     EFI_GUID  * Guid,
+  OUT    VOID      **Buffer,
+  OUT    UINTN     *BufferSize OPTIONAL
+  )
+;
+
+