audk/ArmPlatformPkg/Library/PrePiHobListPointerLib/PrePiHobListPointer.c

49 lines
762 B
C

/** @file
*
* Copyright (c) 2011, ARM Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-2-Clause-Patent
*
**/
#include <PiPei.h>
#include <Library/ArmLib.h>
#include <Library/PrePiHobListPointerLib.h>
#include <Library/DebugLib.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
)
{
return (VOID *)ArmReadTpidrurw();
}
/**
Updates the pointer to the HOB list.
@param HobList Hob list pointer to store
**/
EFI_STATUS
EFIAPI
PrePeiSetHobList (
IN VOID *HobList
)
{
ArmWriteTpidrurw((UINTN)HobList);
return EFI_SUCCESS;
}