audk/ArmPlatformPkg/Library/PrePiHobListPointerLib/PrePiHobListPointer.c

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/** @file
*
* Copyright (c) 2011, ARM Limited. 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 <PiPei.h>
#include <Library/ArmPlatformGlobalVariableLib.h>
#include <Library/PrePiHobListPointerLib.h>
#include <Library/DebugLib.h>
#include <Library/PcdLib.h>
/**
Returns the pointer to the HOB list.
This function returns the pointer to first HOB in the list.
@return The pointer to the HOB list.
**/
VOID *
EFIAPI
PrePeiGetHobList (
VOID
)
{
VOID* HobList;
ArmPlatformGetGlobalVariable (PcdGet32 (PcdHobListPtrGlobalOffset), sizeof(VOID*), &HobList);
return HobList;
}
/**
Updates the pointer to the HOB list.
@param HobList Hob list pointer to store
**/
EFI_STATUS
EFIAPI
PrePeiSetHobList (
IN VOID *HobList
)
{
ArmPlatformSetGlobalVariable (PcdGet32 (PcdHobListPtrGlobalOffset), sizeof(VOID*), &HobList);
return EFI_SUCCESS;
}