From: jji4 <jji4@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Fri, 14 Nov 2008 03:45:34 +0000 (+0000)
Subject: Synchronization of MDE Library Spec., Mde.dec, and corresponding head files in MdePkg... 
X-Git-Tag: edk2-stable201903~19701
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=50a64e5b0b92772b3aa02c23a64745b51094916b

Synchronization of MDE Library Spec., Mde.dec, and corresponding head files in MdePkg\Include\Library.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6544 6f19259b-4bc3-4df7-8a09-765794883524
---

diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index 35ce27fb31..2249c2a79d 100644
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -1,14 +1,15 @@
 /** @file
-  Memory-only library functions with no library constructor/destructor
+  Provides string functions, linked list functions, math functions, synchronization
+  functions, and CPU architecture specific functions.
 
-  Copyright (c) 2006 - 2008, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/BaseMemoryLib.h b/MdePkg/Include/Library/BaseMemoryLib.h
index 26e6b2f337..abc3bb209a 100644
--- a/MdePkg/Include/Library/BaseMemoryLib.h
+++ b/MdePkg/Include/Library/BaseMemoryLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Memory-only library functions with no library constructor/destructor
+  Provides copy memory, fill memory, zero memory, and GUID functions. 
 
-  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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/CacheMaintenanceLib.h b/MdePkg/Include/Library/CacheMaintenanceLib.h
index 642db5e63f..b5b3dd3d51 100644
--- a/MdePkg/Include/Library/CacheMaintenanceLib.h
+++ b/MdePkg/Include/Library/CacheMaintenanceLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Cache Maintenance Functions
+  Provides services to maintain instruction and data caches.
 
-  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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/CpuLib.h b/MdePkg/Include/Library/CpuLib.h
index ceddd7d0a8..ec36b41af2 100644
--- a/MdePkg/Include/Library/CpuLib.h
+++ b/MdePkg/Include/Library/CpuLib.h
@@ -1,14 +1,15 @@
 /** @file
-  Library that provides processor specific library services
+  Provides CPU architecture specific functions that can not be defined
+  in the Base Library due to dependencies on the PAL Library
 
-  Copyright (c) 2006 - 2008, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/DebugLib.h b/MdePkg/Include/Library/DebugLib.h
index bccb0e920a..b489bf3034 100644
--- a/MdePkg/Include/Library/DebugLib.h
+++ b/MdePkg/Include/Library/DebugLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Public include file for the Debug Library
+  Provides services to print debug and assert messages to a debug output device.
 
-  Copyright (c) 2006 - 2008, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/DevicePathLib.h b/MdePkg/Include/Library/DevicePathLib.h
index 8df025353b..a5bf96be9e 100644
--- a/MdePkg/Include/Library/DevicePathLib.h
+++ b/MdePkg/Include/Library/DevicePathLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Device Path services.
+  Provides library functions to construct and parse UEFI Device Paths.
 
-  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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/DxeCoreEntryPoint.h b/MdePkg/Include/Library/DxeCoreEntryPoint.h
index af4c244383..f2454ef098 100644
--- a/MdePkg/Include/Library/DxeCoreEntryPoint.h
+++ b/MdePkg/Include/Library/DxeCoreEntryPoint.h
@@ -1,14 +1,14 @@
 /** @file
-  Entry point to the DXE Core
+  Module entry point library for DXE core.
 
-  Copyright (c) 2006, Intel Corporation<BR>
-  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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/DxeServicesTableLib.h b/MdePkg/Include/Library/DxeServicesTableLib.h
index be996ead48..9251e20c4b 100644
--- a/MdePkg/Include/Library/DxeServicesTableLib.h
+++ b/MdePkg/Include/Library/DxeServicesTableLib.h
@@ -1,14 +1,15 @@
 /** @file
-  Library that provides a global pointer to the DXE Services Table
+  Provides a service to retrieve a pointer to the DXE Services Table.
+  Only available to DXE module types.
 
-  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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/ExtractGuidedSectionLib.h b/MdePkg/Include/Library/ExtractGuidedSectionLib.h
index 63595ee3b7..5a2e5f018e 100644
--- a/MdePkg/Include/Library/ExtractGuidedSectionLib.h
+++ b/MdePkg/Include/Library/ExtractGuidedSectionLib.h
@@ -1,15 +1,14 @@
 /** @file
-  Extract Guided Section Library class defintions, 
-  which can provide many handlers for the different guided section data.
+  This library provides common functions to process the different guided section data. 
 
-  Copyright (c) 2007 - 2008, 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. 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.
 
 **/
 #ifndef __EXTRACT_GUIDED_SECTION_H__
diff --git a/MdePkg/Include/Library/HobLib.h b/MdePkg/Include/Library/HobLib.h
index ae1fb16f88..db5016c84e 100644
--- a/MdePkg/Include/Library/HobLib.h
+++ b/MdePkg/Include/Library/HobLib.h
@@ -1,14 +1,15 @@
 /** @file
-  Public include file for the HOB Library
+  Provides services to create and parse HOBs. Only available for PEI
+  and DXE module types.
 
-  Copyright (c) 2006 - 2007, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/IoLib.h b/MdePkg/Include/Library/IoLib.h
index 800f82f91d..360a837200 100644
--- a/MdePkg/Include/Library/IoLib.h
+++ b/MdePkg/Include/Library/IoLib.h
@@ -1,14 +1,14 @@
 /** @file
-  I/O and MMIO Library Services
+  Provide services to access I/O Ports and MMIO registers.
 
-  Copyright (c) 2006 - 2007, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/MemoryAllocationLib.h b/MdePkg/Include/Library/MemoryAllocationLib.h
index 2e8780b750..17328b3bf5 100644
--- a/MdePkg/Include/Library/MemoryAllocationLib.h
+++ b/MdePkg/Include/Library/MemoryAllocationLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Memory Allocation Library Services
+  Provides services to allocate and free memory buffers of various memory types and alignments.
 
-  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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/PalLib.h b/MdePkg/Include/Library/PalLib.h
index 681b8feae7..33480a171e 100644
--- a/MdePkg/Include/Library/PalLib.h
+++ b/MdePkg/Include/Library/PalLib.h
@@ -1,15 +1,15 @@
 /** @file
-  PAL Call Services
+  Provides library services to make PAL Calls.
 
-  Copyright (c) 2006 -2008, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/PcdLib.h b/MdePkg/Include/Library/PcdLib.h
index a7013ca402..8a7007dfb2 100644
--- a/MdePkg/Include/Library/PcdLib.h
+++ b/MdePkg/Include/Library/PcdLib.h
@@ -1,22 +1,22 @@
 /** @file
-PCD Library Class provides PCD usage macro interface for all PCD types. It should be 
-included at any module who use PCD. 
-
-If module use dynamic/dynamicex PCD, module should be linked to PEIM/DXE library 
-instance to access that PCD.
-If module uses PatchableInModule type PCD, also need library instance produce LibPatchPcdSetPtr()
-interface.
-For FeatureFlag/Fixed PCD, macro interface is translated to an variable or macro
-which is auto-generated by build tool in module's autogen.h/autogen.c
-
-Copyright (c) 2006 - 2008, Intel Corporation. <BR>                                                         
-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.             
+  Provides library services to get and set Platform Configuration Database entries.
+
+  PCD Library Class provides PCD usage macro interface for all PCD types.
+  It should be included at any module who use PCD. If module use dynamic/dynamicex
+  PCD, module should be linked to PEIM/DXE library instance to access that PCD.
+  If module uses PatchableInModule type PCD, also need library instance produce
+  LibPatchPcdSetPtr() interface. For FeatureFlag/Fixed PCD, macro interface is
+  translated to an variable or macro which is auto-generated by build tool in
+  module's autogen.h/autogen.c.
+
+Copyright (c) 2006 - 2008, 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
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 **/
 
diff --git a/MdePkg/Include/Library/PciCf8Lib.h b/MdePkg/Include/Library/PciCf8Lib.h
index 7ae59e67ea..f5ab3984ab 100644
--- a/MdePkg/Include/Library/PciCf8Lib.h
+++ b/MdePkg/Include/Library/PciCf8Lib.h
@@ -1,14 +1,14 @@
 /** @file
-  PCI CF8 Library Services for PCI Segment #0
+  Provides services to access PCI Configuration Space using the I/O ports 0xCF8 and 0xCFC.
 
-  Copyright (c) 2006 - 2008, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/PciExpressLib.h b/MdePkg/Include/Library/PciExpressLib.h
index a3c3ddae78..712b0c219a 100644
--- a/MdePkg/Include/Library/PciExpressLib.h
+++ b/MdePkg/Include/Library/PciExpressLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Pci Express Library Services for PCI Segment #0
+  Provides services to access PCI Configuration Space using the MMIO PCI Express window.
 
-  Copyright (c) 2006 - 2008, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/PciLib.h b/MdePkg/Include/Library/PciLib.h
index 34e1a24c76..d76ecee7c0 100644
--- a/MdePkg/Include/Library/PciLib.h
+++ b/MdePkg/Include/Library/PciLib.h
@@ -1,14 +1,14 @@
 /** @file
-  PCI Library Services for PCI Segment #0
+  Provides services to access PCI Configuration Space.
 
-  Copyright (c) 2006 - 2008, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/PciSegmentLib.h b/MdePkg/Include/Library/PciSegmentLib.h
index d2034bae5b..75c2e0cf7e 100644
--- a/MdePkg/Include/Library/PciSegmentLib.h
+++ b/MdePkg/Include/Library/PciSegmentLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Functions accessing PCI configuration registers on any supported PCI segment
+  Provides services to access PCI Configuration Space on a platform with multiple PCI segments.
 
-  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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/PeCoffGetEntryPointLib.h b/MdePkg/Include/Library/PeCoffGetEntryPointLib.h
index 684977ecea..63bfde0482 100644
--- a/MdePkg/Include/Library/PeCoffGetEntryPointLib.h
+++ b/MdePkg/Include/Library/PeCoffGetEntryPointLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Memory Only PE COFF loader
+  Provides a service to retrieve the PE/COFF entry point from a PE/COFF image.
 
-  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, 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                                            
 
-  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.             
 
 **/
 
diff --git a/MdePkg/Include/Library/PeCoffLib.h b/MdePkg/Include/Library/PeCoffLib.h
index 2a30d845ce..8e899e616d 100644
--- a/MdePkg/Include/Library/PeCoffLib.h
+++ b/MdePkg/Include/Library/PeCoffLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Memory Only PE COFF loader. 
+  Provides services to load and relocate a PE/COFF image.
 
-  Copyright (c) 2006 - 2007, 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 - 2007, 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                                            
 
-  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.             
 
 **/
 
diff --git a/MdePkg/Include/Library/PeiCoreEntryPoint.h b/MdePkg/Include/Library/PeiCoreEntryPoint.h
index ed427a6dd2..9c0acd0109 100644
--- a/MdePkg/Include/Library/PeiCoreEntryPoint.h
+++ b/MdePkg/Include/Library/PeiCoreEntryPoint.h
@@ -1,7 +1,7 @@
 /** @file
-  Entry point to the PEI Core
+  Module entry point library for PEI core.
 
-Copyright (c) 2006, Intel Corporation<BR>
+Copyright (c) 2006 - 2008, Intel Corporation<BR>
 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
diff --git a/MdePkg/Include/Library/PeiServicesLib.h b/MdePkg/Include/Library/PeiServicesLib.h
index 2bfe7106f4..7cff954c04 100644
--- a/MdePkg/Include/Library/PeiServicesLib.h
+++ b/MdePkg/Include/Library/PeiServicesLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Header file for PEI Services Library.
+  Provides library functions for all PEI Services.
 
-  Copyright (c) 2006 - 2007, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/PeiServicesTablePointerLib.h b/MdePkg/Include/Library/PeiServicesTablePointerLib.h
index 1637e670d2..5bbbea6a34 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 - 2008, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/PeimEntryPoint.h b/MdePkg/Include/Library/PeimEntryPoint.h
index e5dcd4c12b..9980c91d0e 100644
--- a/MdePkg/Include/Library/PeimEntryPoint.h
+++ b/MdePkg/Include/Library/PeimEntryPoint.h
@@ -1,7 +1,7 @@
 /** @file
-  Entry point to a PEIM
+  Module entry point library for PEIM.
 
-Copyright (c) 2006, Intel Corporation<BR>
+Copyright (c) 2006 - 2008 Intel Corporation<BR>
 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
diff --git a/MdePkg/Include/Library/PerformanceLib.h b/MdePkg/Include/Library/PerformanceLib.h
index 06c1fcc45d..0622527e7b 100644
--- a/MdePkg/Include/Library/PerformanceLib.h
+++ b/MdePkg/Include/Library/PerformanceLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Library that provides services to measure module execution performance
+  Provides services to log the execution times and retrieve them later.
 
-  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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/PostCodeLib.h b/MdePkg/Include/Library/PostCodeLib.h
index 17ece49e4d..092f7ee15e 100644
--- a/MdePkg/Include/Library/PostCodeLib.h
+++ b/MdePkg/Include/Library/PostCodeLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Post Code Library functions defintion.
+  Provides services to send progress/error codes to a POST card.
 
-  Copyright (c) 2006 - 2008, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/PrintLib.h b/MdePkg/Include/Library/PrintLib.h
index 72ef580900..b7c114e0cc 100644
--- a/MdePkg/Include/Library/PrintLib.h
+++ b/MdePkg/Include/Library/PrintLib.h
@@ -1,14 +1,15 @@
 /** @file
-  Library header file that defines print services
+  Provides services to print a formatted string to a buffer. All combinations of
+  Unicode and ASCII strings are supported.
 
-  Copyright (c) 2006 - 2008, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/ReportStatusCodeLib.h b/MdePkg/Include/Library/ReportStatusCodeLib.h
index 14c6884cb1..65ae20de13 100644
--- a/MdePkg/Include/Library/ReportStatusCodeLib.h
+++ b/MdePkg/Include/Library/ReportStatusCodeLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Report Status Code Library public .h file
+  Provides services to log status code records.
 
-  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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/ResourcePublicationLib.h b/MdePkg/Include/Library/ResourcePublicationLib.h
index d063c696ff..a62b24acd4 100644
--- a/MdePkg/Include/Library/ResourcePublicationLib.h
+++ b/MdePkg/Include/Library/ResourcePublicationLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Declare presence of resources in the platform
+  Provides a service to publish discovered system resources.
 
-  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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/SalLib.h b/MdePkg/Include/Library/SalLib.h
index 9388776364..c9f2fb33ac 100644
--- a/MdePkg/Include/Library/SalLib.h
+++ b/MdePkg/Include/Library/SalLib.h
@@ -1,14 +1,14 @@
 /** @file
-  SAL Library Functions
+  Provides library services to make SAL Calls.
 
-  Copyright (c) 2007, 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) 2007 - 2008, 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
 
-  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.
 
 **/
 
diff --git a/MdePkg/Include/Library/SerialPortLib.h b/MdePkg/Include/Library/SerialPortLib.h
index 19d6094140..1ab8e97adc 100644
--- a/MdePkg/Include/Library/SerialPortLib.h
+++ b/MdePkg/Include/Library/SerialPortLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Serial I/O Port library functions definition.
+  Provides three common serial I/O port functions.
 
-  Copyright (c) 2006 - 2008, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/SmbusLib.h b/MdePkg/Include/Library/SmbusLib.h
index d766b297ac..16183c6c6e 100644
--- a/MdePkg/Include/Library/SmbusLib.h
+++ b/MdePkg/Include/Library/SmbusLib.h
@@ -1,14 +1,15 @@
 /** @file
-  SMBUS Functions
+  Provides library functions to access SMBUS devices. Libraries of this class
+  must be ported to a specific SMBUS controller.
 
-  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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/TimerLib.h b/MdePkg/Include/Library/TimerLib.h
index f7c9e3f4ec..4f920311c6 100644
--- a/MdePkg/Include/Library/TimerLib.h
+++ b/MdePkg/Include/Library/TimerLib.h
@@ -1,14 +1,14 @@
 /** @file
-  Timer Library Functions.
+  Provides calibrated delay and performance counter services.
 
-  Copyright (c) 2006 - 2008, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/UefiApplicationEntryPoint.h b/MdePkg/Include/Library/UefiApplicationEntryPoint.h
index 9740b6f533..b6c193b710 100644
--- a/MdePkg/Include/Library/UefiApplicationEntryPoint.h
+++ b/MdePkg/Include/Library/UefiApplicationEntryPoint.h
@@ -1,7 +1,7 @@
 /** @file
-  Entry point to a UEFI Application.
+  Module entry point library for UEFI Applications.
 
-Copyright (c) 2007, Intel Corporation<BR>
+Copyright (c) 2007 - 2008, 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
diff --git a/MdePkg/Include/Library/UefiBootServicesTableLib.h b/MdePkg/Include/Library/UefiBootServicesTableLib.h
index 46683fd42f..9a59e1eda0 100644
--- a/MdePkg/Include/Library/UefiBootServicesTableLib.h
+++ b/MdePkg/Include/Library/UefiBootServicesTableLib.h
@@ -1,14 +1,15 @@
 /** @file
-  Library that provides a global pointer to the UEFI Boot Services Tables
+  Provides a service to retrieve a pointer to the EFI Boot Services Table.
+  Only available to DXE and UEFI module types.
 
-  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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/UefiDecompressLib.h b/MdePkg/Include/Library/UefiDecompressLib.h
index 2af91de273..973fb2ec4d 100644
--- a/MdePkg/Include/Library/UefiDecompressLib.h
+++ b/MdePkg/Include/Library/UefiDecompressLib.h
@@ -1,19 +1,19 @@
 /** @file
-  UEFI Decompress Library Functions defintion
+  Provides services to decompress a buffer using the UEFI Decompress algorithm.
 
   The UEFI Decompress Library enables the decompression of objects that 
   were compressed using the UEFI compression scheme. The UEFI Decompress 
   Library is independent of environment and requires the caller to allocate 
   all required memory buffers.
 
-  Copyright (c) 2006 - 2008, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/UefiDriverEntryPoint.h b/MdePkg/Include/Library/UefiDriverEntryPoint.h
index b2808e7b63..a7c8951475 100644
--- a/MdePkg/Include/Library/UefiDriverEntryPoint.h
+++ b/MdePkg/Include/Library/UefiDriverEntryPoint.h
@@ -1,7 +1,8 @@
 /** @file
-  Entry point to a DXE Boot Services Driver
+  Module entry point library for UEFI drivers, DXE Drivers, DXE Runtime Drivers,
+  and DXE SMM Drivers.
 
-Copyright (c) 2006, Intel Corporation<BR>
+Copyright (c) 2006 - 2008, 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
diff --git a/MdePkg/Include/Library/UefiLib.h b/MdePkg/Include/Library/UefiLib.h
index 7a8af6036d..9f888da68f 100644
--- a/MdePkg/Include/Library/UefiLib.h
+++ b/MdePkg/Include/Library/UefiLib.h
@@ -1,18 +1,21 @@
 /** @file
+  Provides library functions for common UEFI operations. Only available to DXE
+  and UEFI module types.
+
   The UEFI Library provides functions and macros that simplify the development of 
   UEFI Drivers and UEFI Applications.  These functions and macros help manage EFI 
   events, build simple locks utilizing EFI Task Priority Levels (TPLs), install 
   EFI Driver Model related protocols, manage Unicode string tables for UEFI Drivers, 
   and print messages on the console output and standard error devices.
 
-  Copyright (c) 2006 - 2007, 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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/UefiRuntimeLib.h b/MdePkg/Include/Library/UefiRuntimeLib.h
index 4ecccb4d07..c29d9a15b4 100644
--- a/MdePkg/Include/Library/UefiRuntimeLib.h
+++ b/MdePkg/Include/Library/UefiRuntimeLib.h
@@ -1,15 +1,15 @@
 /** @file
-  Library to abstract runtime services
+  Provides library functions for each of the UEFI Runtime Services.
+  Only available to DXE and UEFI module types.
 
-  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
-
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+Copyright (c) 2006 - 2008, 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
 
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 **/
 
 #ifndef __UEFI_RUNTIME_LIB__
diff --git a/MdePkg/Include/Library/UefiRuntimeServicesTableLib.h b/MdePkg/Include/Library/UefiRuntimeServicesTableLib.h
index ed66948098..f890cd82b2 100644
--- a/MdePkg/Include/Library/UefiRuntimeServicesTableLib.h
+++ b/MdePkg/Include/Library/UefiRuntimeServicesTableLib.h
@@ -1,14 +1,15 @@
 /** @file
-  Library that provides a global pointer to the UEFI Runtime Services Tables
+  Provides a service to retrieve a pointer to the EFI Runtime Services Table.
+  Only available to DXE and UEFI module types.
 
-  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. 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.
 
 **/
 
diff --git a/MdePkg/Include/Library/UefiScsiLib.h b/MdePkg/Include/Library/UefiScsiLib.h
index 7afdeb8153..f1d899d38b 100644
--- a/MdePkg/Include/Library/UefiScsiLib.h
+++ b/MdePkg/Include/Library/UefiScsiLib.h
@@ -1,14 +1,15 @@
 /** @file
-  Common Libarary for SCSI
 
-  Copyright (c) 2006 - 2007, 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                                            
+  Provides the functions to submit Scsi commands defined in SCSI-2 specification for scsi device.
 
-  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
-  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
+Copyright (c) 2006 - 2008, 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                                            
+
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,                     
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.             
 
 **/
 
diff --git a/MdePkg/Include/Library/UefiUsbLib.h b/MdePkg/Include/Library/UefiUsbLib.h
index ad48218882..f1fdc3d073 100644
--- a/MdePkg/Include/Library/UefiUsbLib.h
+++ b/MdePkg/Include/Library/UefiUsbLib.h
@@ -1,14 +1,15 @@
 /** @file
-  Common Dxe Libarary  for USB.
+  Provides most usb APIs to support the Hid requests defined in Usb Hid 1.1 spec
+  and the standard requests defined in Usb 1.1 spec.
 
-  Copyright (c) 2006 - 2008, Intel Corporation<BR>
-  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<BR>
+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.
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 **/