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diff --git a/ArmRealViewEbPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c b/ArmRealViewEbPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c
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+++ b/ArmRealViewEbPkg/Library/PeiServicesTablePointerLib/PeiServicesTablePointer.c
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+/** @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>
+  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/DebugLib.h>
+#include <Library/PcdLib.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
+  )
+{
+  UINTN *PeiPtrLoc;
+  ASSERT (PeiServicesTablePointer != NULL);
+
+  PeiPtrLoc = (UINTN *)(UINTN)PcdGet32(PcdPeiServicePtrAddr);
+  *PeiPtrLoc = (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
+  )
+{
+  UINTN *PeiPtrLoc;
+
+  PeiPtrLoc = (UINTN *)(UINTN)PcdGet32(PcdPeiServicePtrAddr);
+  return (CONST EFI_PEI_SERVICES **)*PeiPtrLoc;
+}
+
+