/** @file | |
PEI Services Table Pointer Library. | |
This library is used for PEIM which does executed from flash device directly but | |
executed in memory. | |
Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR> | |
Copyright (c) 2011 Hewlett-Packard Corporation. All rights reserved.<BR> | |
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/PeiServicesTablePointerLib.h> | |
#include <Library/ArmLib.h> | |
#include <Library/DebugLib.h> | |
/** | |
Caches a pointer PEI Services Table. | |
Caches the pointer to the PEI Services Table specified by PeiServicesTablePointer | |
in a platform specific manner. | |
If PeiServicesTablePointer is NULL, then ASSERT(). | |
@param PeiServicesTablePointer The address of PeiServices pointer. | |
**/ | |
VOID | |
EFIAPI | |
SetPeiServicesTablePointer ( | |
IN CONST EFI_PEI_SERVICES ** PeiServicesTablePointer | |
) | |
{ | |
ArmWriteTpidrurw((UINTN)PeiServicesTablePointer); | |
} | |
/** | |
Retrieves the cached value of the PEI Services Table pointer. | |
Returns the cached value of the PEI Services Table pointer in a CPU specific manner | |
as specified in the CPU binding section of the Platform Initialization Pre-EFI | |
Initialization Core Interface Specification. | |
If the cached PEI Services Table pointer is NULL, then ASSERT(). | |
@return The pointer to PeiServices. | |
**/ | |
CONST EFI_PEI_SERVICES ** | |
EFIAPI | |
GetPeiServicesTablePointer ( | |
VOID | |
) | |
{ | |
return (CONST EFI_PEI_SERVICES **)ArmReadTpidrurw(); | |
} |