X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=MdePkg%2FInclude%2FLibrary%2FPeiServicesTablePointerLib.h;h=601e1d57f3deedbfcff8b08ce38b3cffe20fd776;hb=f405c0674aef0fb8bff34acb0011c47f7cd38ea6;hp=973598870e91a7623c2199810c8540b6e30dad40;hpb=e6dedf514f1b16cffd6f17c9615fc65745ed2a47;p=mirror_edk2.git

diff --git a/MdePkg/Include/Library/PeiServicesTablePointerLib.h b/MdePkg/Include/Library/PeiServicesTablePointerLib.h
index 973598870e..601e1d57f3 100644
--- a/MdePkg/Include/Library/PeiServicesTablePointerLib.h
+++ b/MdePkg/Include/Library/PeiServicesTablePointerLib.h
@@ -1,14 +1,14 @@
 /** @file
-  PEI Services Table Pointer Library services
+  Provides a service to retrieve a pointer to the PEI Services Table.
 
-  Copyright (c) 2006, 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
+Copyright (c) 2006 - 2008, 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.
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 **/
 
@@ -16,30 +16,38 @@
 #define __PEI_SERVICES_TABLE_POINTER_LIB_H__
 
 /**
-  The function returns the pointer to PEI services.
+  Retrieves the cached value of the PEI Services Table pointer.
 
-  The function returns the pointer to PEI services.
-  It will ASSERT() if the pointer to PEI services is NULL.
+  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().
 
-  @retval  The pointer to PeiServices.
+  @return  The pointer to PeiServices.
 
 **/
-EFI_PEI_SERVICES **
+CONST EFI_PEI_SERVICES **
 EFIAPI
 GetPeiServicesTablePointer (
   VOID
   );
 
 /**
-  The function set the pointer of PEI services immediately preceding the IDT table
-  according to PI specification.
+  Caches a pointer PEI Services Table. 
+ 
+  Caches the pointer to the PEI Services Table specified by PeiServicesTablePointer 
+  in a CPU specific manner as specified in the CPU binding section of the Platform Initialization 
+  Pre-EFI Initialization Core Interface Specification. 
+  
+  If PeiServicesTablePointer is NULL, then ASSERT().
   
   @param    PeiServicesTablePointer   The address of PeiServices pointer.
 **/
 VOID
 EFIAPI
 SetPeiServicesTablePointer (
-  EFI_PEI_SERVICES ** PeiServicesTablePointer
+  IN CONST EFI_PEI_SERVICES ** PeiServicesTablePointer
   );
 
 #endif