Code Clean up for IfrSupportLib, HiiLib, PeiExtractGuidedSectionLib and DxeExtractGuidedSectionLib,

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5687 6f19259b-4bc3-4df7-8a09-765794883524

12 files changed, 165 insertions, 200 deletions

diff --git a/MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.c b/MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.c
index b98e8f3ae..725082874 100644
--- a/MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.c
+++ b/MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.c
@@ -21,7 +21,7 @@
 #include <Library/ExtractGuidedSectionLib.h>

 

 STATIC GUID                 *mExtractHandlerGuidTable;

-STATIC UINT32               mNumberOfExtractHandler;

+STATIC UINT32               mNumberOfExtractHandler = 0;

 

 STATIC EXTRACT_GUIDED_SECTION_DECODE_HANDLER   *mExtractDecodeHandlerTable;

 STATIC EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER *mExtractGetInfoHandlerTable;

@@ -52,19 +52,17 @@ DxeExtractGuidedSectionLibConstructor (
   

   mExtractDecodeHandlerTable  = (EXTRACT_GUIDED_SECTION_DECODE_HANDLER *) AllocatePool (PcdGet32 (PcdMaximumGuidedExtractHandler) * sizeof (EXTRACT_GUIDED_SECTION_DECODE_HANDLER));

   if (mExtractDecodeHandlerTable == NULL) {

+    FreePool (mExtractHandlerGuidTable);

     return RETURN_OUT_OF_RESOURCES;

   }

 

   mExtractGetInfoHandlerTable = (EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER *) AllocatePool (PcdGet32 (PcdMaximumGuidedExtractHandler) * sizeof (EXTRACT_GUIDED_SECTION_GET_INFO_HANDLER));

   if (mExtractGetInfoHandlerTable == NULL) {

+    FreePool (mExtractHandlerGuidTable);

+    FreePool (mExtractDecodeHandlerTable);

     return RETURN_OUT_OF_RESOURCES;

   }

   

-  //

-  // the initialized number is Zero.

-  //

-  mNumberOfExtractHandler = 0;

-  

   return RETURN_SUCCESS;

 }

 

@@ -122,18 +120,14 @@ ExtractGuidedSectionRegisterHandlers (
   //

   for (Index = 0; Index < mNumberOfExtractHandler; Index ++) {

     if (CompareGuid (&mExtractHandlerGuidTable[Index], SectionGuid)) {

-      break;

+      //

+      // If the guided handler has been registered before, only update its handler.

+      //

+      mExtractDecodeHandlerTable [Index] = DecodeHandler;

+      mExtractGetInfoHandlerTable [Index] = GetInfoHandler;

+      return RETURN_SUCCESS;

     }

   }

-

-  //

-  // If the guided handler has been registered before, only update its handler.

-  //

-  if (Index < mNumberOfExtractHandler) {

-    mExtractDecodeHandlerTable [Index] = DecodeHandler;

-    mExtractGetInfoHandlerTable [Index] = GetInfoHandler;

-    return RETURN_SUCCESS;

-  }

   

   //

   // Check the global table is enough to contain new Handler.

@@ -197,26 +191,22 @@ ExtractGuidedSectionGetInfo (
   //

   for (Index = 0; Index < mNumberOfExtractHandler; Index ++) {

     if (CompareGuid (&mExtractHandlerGuidTable[Index], &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid))) {

-      break;

+      //

+      // Call the match handler to getinfo for the input section data.

+      //

+      return mExtractGetInfoHandlerTable [Index] (

+                InputSection,

+                OutputBufferSize,

+                ScratchBufferSize,

+                SectionAttribute

+              );

     }

   }

 

   //

   // Not found, the input guided section is not supported. 

   //

-  if (Index == mNumberOfExtractHandler) {

-    return RETURN_UNSUPPORTED;

-  }

-

-  //

-  // Call the match handler to getinfo for the input section data.

-  //

-  return mExtractGetInfoHandlerTable [Index] (

-            InputSection,

-            OutputBufferSize,

-            ScratchBufferSize,

-            SectionAttribute

-          );

+  return RETURN_UNSUPPORTED;

 }

 

 /**
@@ -270,24 +260,20 @@ ExtractGuidedSectionDecode (
   //

   for (Index = 0; Index < mNumberOfExtractHandler; Index ++) {

     if (CompareGuid (&mExtractHandlerGuidTable[Index], &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid))) {

-      break;

+      //

+      // Call the match handler to extract raw data for the input section data.

+      //

+      return mExtractDecodeHandlerTable [Index] (

+                InputSection,

+                OutputBuffer,

+                ScratchBuffer,

+                AuthenticationStatus

+              );

     }

   }

 

   //

   // Not found, the input guided section is not supported. 

   //

-  if (Index == mNumberOfExtractHandler) {

-    return RETURN_UNSUPPORTED;

-  }

-

-  //

-  // Call the match handler to extract raw data for the input section data.

-  //

-  return mExtractDecodeHandlerTable [Index] (

-            InputSection,

-            OutputBuffer,

-            ScratchBuffer,

-            AuthenticationStatus

-          );

+  return RETURN_UNSUPPORTED;

 }

diff --git a/MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.inf b/MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.inf
index 7bed5477e..5e288dde8 100644
--- a/MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.inf
+++ b/MdePkg/Library/DxeExtractGuidedSectionLib/DxeExtractGuidedSectionLib.inf
@@ -44,7 +44,7 @@
   BaseMemoryLib

   DebugLib

 

-[FixedPcd.common]

+[Pcd.common]

   gEfiMdePkgTokenSpaceGuid.PcdMaximumGuidedExtractHandler 

 

 

diff --git a/MdePkg/Library/HiiLib/HiiLanguage.c b/MdePkg/Library/HiiLib/HiiLanguage.c
index 6948b2c33..8c03bb993 100644
--- a/MdePkg/Library/HiiLib/HiiLanguage.c
+++ b/MdePkg/Library/HiiLib/HiiLanguage.c
@@ -1,7 +1,7 @@
 /** @file

   Language related HII Library implementation.

 

-  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

@@ -128,6 +128,7 @@ HiiLibGetSupportedLanguages (
   ASSERT (IsHiiHandleRegistered (HiiHandle));

   //

   // Collect current supported Languages for given HII handle

+  // First try allocate 4K buffer to store the current supported languages.

   //

   BufferSize = 0x1000;

   LanguageString = AllocateZeroPool (BufferSize);

@@ -223,6 +224,7 @@ HiiLibGetSupportedSecondaryLanguages (
   ASSERT (IsHiiHandleRegistered (HiiHandle));

   //

   // Collect current supported 2nd Languages for given HII handle

+  // First try allocate 4K buffer to store the current supported 2nd languages.

   //

   BufferSize = 0x1000;

   LanguageString = AllocateZeroPool (BufferSize);

diff --git a/MdePkg/Library/HiiLib/HiiLib.c b/MdePkg/Library/HiiLib/HiiLib.c
index efae6780b..81a7241cc 100644
--- a/MdePkg/Library/HiiLib/HiiLib.c
+++ b/MdePkg/Library/HiiLib/HiiLib.c
@@ -1,7 +1,7 @@
 /** @file

   HII Library implementation that uses DXE protocols and services.

 

-  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

@@ -14,10 +14,8 @@
 

 #include "InternalHiiLib.h"

 

-CONST EFI_HII_DATABASE_PROTOCOL   *mHiiDatabaseProt;

-CONST EFI_HII_STRING_PROTOCOL     *mHiiStringProt;

-BOOLEAN mHiiProtocolsInitialized = FALSE;

-

+CONST EFI_HII_DATABASE_PROTOCOL   *mHiiDatabaseProt = NULL;

+CONST EFI_HII_STRING_PROTOCOL     *mHiiStringProt = NULL;

 

 /**

 

@@ -31,7 +29,7 @@ LocateHiiProtocols (
 {

   EFI_STATUS  Status;

 

-  if (mHiiProtocolsInitialized) {

+  if (mHiiStringProt != NULL && mHiiDatabaseProt != NULL) {

     //

     // Only need to initialize the protocol instance once.

     //

@@ -43,8 +41,6 @@ LocateHiiProtocols (
 

   Status = gBS->LocateProtocol (&gEfiHiiStringProtocolGuid, NULL, (VOID **) &mHiiStringProt);

   ASSERT_EFI_ERROR (Status);

-

-  mHiiProtocolsInitialized = TRUE;

 }

 

 

@@ -112,7 +108,7 @@ InternalHiiLibPreparePackages (
   PackageListHeader = AllocateZeroPool (PackageListLength);

   ASSERT (PackageListHeader != NULL);

   

-  CopyMem (&PackageListHeader->PackageListGuid, GuidId, sizeof (EFI_GUID));

+  CopyGuid (&PackageListHeader->PackageListGuid, GuidId);

   PackageListHeader->PackageLength = PackageListLength;

 

   PackageListData = ((UINT8 *) PackageListHeader) + sizeof (EFI_HII_PACKAGE_LIST_HEADER);

@@ -304,6 +300,7 @@ HiiLibGetHiiHandles (
 

   if (Status == EFI_BUFFER_TOO_SMALL) {

       *HiiHandleBuffer = AllocateZeroPool (BufferLength);

+      ASSERT (*HiiHandleBuffer != NULL);

       Status = mHiiDatabaseProt->ListPackageLists (

                                      mHiiDatabaseProt,

                                      EFI_HII_PACKAGE_TYPE_ALL,

@@ -366,13 +363,14 @@ HiiLibExtractGuidFromHiiHandle (
     Status = mHiiDatabaseProt->ExportPackageLists (mHiiDatabaseProt, Handle, &BufferSize, HiiPackageList);

   }

   if (EFI_ERROR (Status)) {

+    FreePool (HiiPackageList);

     return Status;

   }

 

   //

   // Extract GUID

   //

-  CopyMem (Guid, &HiiPackageList->PackageListGuid, sizeof (EFI_GUID));

+  CopyGuid (Guid, &HiiPackageList->PackageListGuid);

 

   FreePool (HiiPackageList);

 

diff --git a/MdePkg/Library/HiiLib/HiiLib.inf b/MdePkg/Library/HiiLib/HiiLib.inf
index f9ff02894..f9f62645a 100644
--- a/MdePkg/Library/HiiLib/HiiLib.inf
+++ b/MdePkg/Library/HiiLib/HiiLib.inf
@@ -22,7 +22,7 @@
   VERSION_STRING                 = 1.0

   LIBRARY_CLASS                  = HiiLib|DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER DXE_SMM_DRIVER UEFI_APPLICATION UEFI_DRIVER

   EDK_RELEASE_VERSION            = 0x00020000

-  EFI_SPECIFICATION_VERSION      = 0x0002000A

+  EFI_SPECIFICATION_VERSION      = 0x00020000

 

 #

 #  VALID_ARCHITECTURES           = IA32 X64 IPF EBC

@@ -32,16 +32,19 @@
   HiiLib.c

   HiiString.c

   HiiLanguage.c

-

+  InternalHiiLib.h

 

 [Packages]

   MdePkg/MdePkg.dec

 

 [LibraryClasses]

   MemoryAllocationLib

+  BaseMemoryLib

+  BaseLib

   DebugLib

   PcdLib

   UefiRuntimeServicesTableLib

+  UefiBootServicesTableLib

   DevicePathLib

 

 [Protocols]

@@ -53,4 +56,4 @@
   gEfiGlobalVariableGuid 

 

 [Pcd]

-  gEfiMdePkgTokenSpaceGuid.PcdUefiVariableDefaultPlatformLang
\ No newline at end of file
+  gEfiMdePkgTokenSpaceGuid.PcdUefiVariableDefaultPlatformLang

diff --git a/MdePkg/Library/HiiLib/InternalHiiLib.h b/MdePkg/Library/HiiLib/InternalHiiLib.h
index c01e5b020..d80db675a 100644
--- a/MdePkg/Library/HiiLib/InternalHiiLib.h
+++ b/MdePkg/Library/HiiLib/InternalHiiLib.h
@@ -38,8 +38,6 @@
 

 extern CONST EFI_HII_DATABASE_PROTOCOL         *mHiiDatabaseProt;

 extern CONST EFI_HII_STRING_PROTOCOL           *mHiiStringProt;

-extern BOOLEAN                           mHiiProtocolsInitialized;

-

 

 /**

   This function check if the Hii Handle is a valid handle registered

diff --git a/MdePkg/Library/IfrSupportLib/IfrSupportLib.inf b/MdePkg/Library/IfrSupportLib/IfrSupportLib.inf
index 32e1027ae..6c1b86f12 100644
--- a/MdePkg/Library/IfrSupportLib/IfrSupportLib.inf
+++ b/MdePkg/Library/IfrSupportLib/IfrSupportLib.inf
@@ -2,7 +2,7 @@
 #Utility functions which helps in opcode creation, HII configuration string manipulations, 

 #pop up window creations, setup browser persistence data set and get.

 #

-# Copyright (c) 2007, Intel Corporation. All rights reserved.

+# Copyright (c) 2007 - 2008, Intel Corporation. All rights reserved.

 #

 #  All rights reserved. This program and the accompanying materials

 #  are licensed and made available under the terms and conditions of the BSD License

@@ -21,7 +21,7 @@
   FILE_GUID                      = bf38668e-e231-4baa-99e4-8c0e4c35dca6

   MODULE_TYPE                    = DXE_DRIVER

   VERSION_STRING                 = 1.0

-  LIBRARY_CLASS                  = IfrSupportLib

+  LIBRARY_CLASS                  = IfrSupportLib|DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SAL_DRIVER DXE_SMM_DRIVER UEFI_APPLICATION UEFI_DRIVER

   EDK_RELEASE_VERSION            = 0x00020000

   EFI_SPECIFICATION_VERSION      = 0x00020000

 

@@ -46,20 +46,10 @@
   DevicePathLib

   BaseLib

   UefiBootServicesTableLib

-  UefiRuntimeServicesTableLib

   BaseMemoryLib

   DebugLib

-  PcdLib

-

-[Guids]

-  gEfiGlobalVariableGuid                        # ALWAYS_CONSUMED

 

 [Protocols]

   gEfiDevicePathProtocolGuid                    # PROTOCOL ALWAYS_CONSUMED

-  gEfiHiiDatabaseProtocolGuid

-  gEfiHiiStringProtocolGuid

   gEfiHiiConfigRoutingProtocolGuid

   gEfiFormBrowser2ProtocolGuid   

-

-[Pcd]

-  gEfiMdePkgTokenSpaceGuid.PcdUefiVariableDefaultPlatformLang

diff --git a/MdePkg/Library/IfrSupportLib/UefiIfrCommon.c b/MdePkg/Library/IfrSupportLib/UefiIfrCommon.c
deleted file mode 100644
index 18c594f45..000000000
--- a/MdePkg/Library/IfrSupportLib/UefiIfrCommon.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/** @file
-Utility functions which helps in opcode creation, HII configuration string manipulations, 
-pop up window creations, setup browser persistence data set and get.
-
-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.
-
-**/
-
-#include "UefiIfrLibraryInternal.h"
-
-EFI_HII_DATABASE_PROTOCOL *gIfrLibHiiDatabase;
-EFI_HII_STRING_PROTOCOL   *gIfrLibHiiString;
-
-
-/**
-  IfrSupportLib's constructor. It locates the required protocol:
-  gEfiHiiDatabaseProtocolGuid and gEfiHiiStringProtocolGuid.
-
-  @param ImageHandle     The firmware allocated handle for the EFI image.
-  
-  @param SystemTable     A pointer to the EFI System Table.
-
-  @retval EFI_SUCCESS    This function always completes successfully.
-
-**/
-EFI_STATUS
-EFIAPI
-IfrSupportLibConstructor (
-  IN EFI_HANDLE           ImageHandle,
-  IN EFI_SYSTEM_TABLE     *SystemTable
-  )
-{
-  EFI_STATUS  Status;
-
-  Status = gBS->LocateProtocol (&gEfiHiiDatabaseProtocolGuid, NULL, (VOID **) &gIfrLibHiiDatabase);
-  ASSERT_EFI_ERROR (Status);
-
-  Status = gBS->LocateProtocol (&gEfiHiiStringProtocolGuid, NULL, (VOID **) &gIfrLibHiiString);
-  ASSERT_EFI_ERROR (Status);
-  
-  return EFI_SUCCESS;
-}
-
-
diff --git a/MdePkg/Library/IfrSupportLib/UefiIfrForm.c b/MdePkg/Library/IfrSupportLib/UefiIfrForm.c
index 504b88d46..3ae15f416 100644
--- a/MdePkg/Library/IfrSupportLib/UefiIfrForm.c
+++ b/MdePkg/Library/IfrSupportLib/UefiIfrForm.c
@@ -15,6 +15,40 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 #include "UefiIfrLibraryInternal.h"
 
+STATIC CONST EFI_FORM_BROWSER2_PROTOCOL      *mFormBrowser2     = NULL;
+STATIC CONST EFI_HII_CONFIG_ROUTING_PROTOCOL *mHiiConfigRouting = NULL;
+
+/**

+  This function locate FormBrowser2 protocols for later usage.

+
+  @return Status the status to locate protocol.

+**/

+EFI_STATUS

+LocateFormBrowser2Protocols (

+  VOID

+  )

+{
+  EFI_STATUS Status;
+  //
+  // Locate protocols for later usage
+  //
+  if (mFormBrowser2 == NULL) {
+    Status = gBS->LocateProtocol (&gEfiFormBrowser2ProtocolGuid, NULL, (VOID **) &mFormBrowser2);
+    if (EFI_ERROR (Status)) {
+      return Status;
+    }
+  }
+  
+  if (mHiiConfigRouting == NULL) {
+    Status = gBS->LocateProtocol (&gEfiHiiConfigRoutingProtocolGuid, NULL, (VOID **) &mHiiConfigRouting);
+    if (EFI_ERROR (Status)) {
+      return Status;
+    }
+  }
+
+  return EFI_SUCCESS;
+}
+
 //
 // Fake <ConfigHdr>
 //
@@ -32,6 +66,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED CONST UINT16 mFakeConfigHdr[] = L"GUID=00000000000
 
   @retval EFI_SUCCESS            Displayed dialog and received user interaction
   @retval EFI_INVALID_PARAMETER  One of the parameters was invalid.
+  @retval EFI_OUT_OF_RESOURCES   There is no enough available memory space.
 
 **/
 EFI_STATUS
@@ -86,13 +121,19 @@ IfrLibCreatePopUp2 (
   CurrentAttribute = ConOut->Mode->Attribute;
 
   LineBuffer = AllocateZeroPool (DimensionsWidth * sizeof (CHAR16));
-  ASSERT (LineBuffer != NULL);
+  if (LineBuffer == NULL) {
+    return EFI_OUT_OF_RESOURCES;
+  }
 
   //
   // Determine the largest string in the dialog box
   // Notice we are starting with 1 since String is the first string
   //
   StringArray = AllocateZeroPool (NumberOfLines * sizeof (CHAR16 *));
+  if (StringArray == NULL) {
+    FreePool (LineBuffer);
+    return EFI_OUT_OF_RESOURCES;
+  }
   LargestString = StrLen (String);
   StringArray[0] = String;
 
@@ -100,6 +141,8 @@ IfrLibCreatePopUp2 (
     StackString = VA_ARG (Marker, CHAR16 *);
 
     if (StackString == NULL) {
+      FreePool (LineBuffer);
+      FreePool (StringArray);
       return EFI_INVALID_PARAMETER;
     }
 
@@ -211,7 +254,11 @@ IfrLibCreatePopUp2 (
   ConOut->SetAttribute (ConOut, CurrentAttribute);
   ConOut->EnableCursor (ConOut, TRUE);
 
-  return Status;}
+  FreePool (LineBuffer);
+  FreePool (StringArray);
+
+  return Status;
+}
 
 
 /**
@@ -307,6 +354,7 @@ ToLower (
   @param  BufferSize             Size of the buffer in bytes.
 
   @retval EFI_SUCCESS            The function completed successfully.
+  @retval EFI_OUT_OF_RESOURCES   There is no enough available memory space.
 
 **/
 EFI_STATUS
@@ -322,6 +370,9 @@ BufferToHexString (
   UINTN       StrBufferLen;
 
   NewBuffer = AllocateCopyPool (BufferSize, Buffer);
+  if (NewBuffer == NULL) {
+    return EFI_OUT_OF_RESOURCES;
+  }
   SwapBuffer (NewBuffer, BufferSize);
 
   StrBufferLen = BufferSize * sizeof (CHAR16) + 1;
@@ -670,6 +721,7 @@ FindBlockName (
 
   @retval EFI_SUCCESS            Routine success.
   @retval EFI_BUFFER_TOO_SMALL   The intput buffer is too small.
+  @retval EFI_OUT_OF_RESOURCES   There is no enough available memory space.
 
 **/
 EFI_STATUS
@@ -688,18 +740,11 @@ GetBrowserData (
   UINTN                           HeaderLen;
   UINTN                           BufferLen;
   CHAR16                          *Progress;
-  EFI_FORM_BROWSER2_PROTOCOL      *FormBrowser2;
-  EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
 
   //
   // Locate protocols for use
   //
-  Status = gBS->LocateProtocol (&gEfiFormBrowser2ProtocolGuid, NULL, (VOID **) &FormBrowser2);
-  if (EFI_ERROR (Status)) {
-    return Status;
-  }
-
-  Status = gBS->LocateProtocol (&gEfiHiiConfigRoutingProtocolGuid, NULL, (VOID **) &HiiConfigRouting);
+  Status = LocateFormBrowser2Protocols ();
   if (EFI_ERROR (Status)) {
     return Status;
   }
@@ -709,16 +754,22 @@ GetBrowserData (
   //
   ConfigHdr = mFakeConfigHdr;
   HeaderLen = StrLen (ConfigHdr);
-
+  
+  //
+  // First try allocate 0x4000 buffer for the formet storage data.
+  //
   BufferLen = 0x4000;
   ConfigResp = AllocateZeroPool (BufferLen + HeaderLen);
+  if (ConfigResp == NULL) {
+    BufferLen = 0;
+  }
 
   StringPtr = ConfigResp + HeaderLen;
   *StringPtr = L'&';
   StringPtr++;
 
-  Status = FormBrowser2->BrowserCallback (
-                           FormBrowser2,
+  Status = mFormBrowser2->BrowserCallback (
+                           mFormBrowser2,
                            &BufferLen,
                            StringPtr,
                            TRUE,
@@ -726,15 +777,21 @@ GetBrowserData (
                            VariableName
                            );
   if (Status == EFI_BUFFER_TOO_SMALL) {
-    FreePool (ConfigResp);
+    if (ConfigResp != NULL) {
+      FreePool (ConfigResp);
+    }
+
     ConfigResp = AllocateZeroPool (BufferLen + HeaderLen);
+    if (ConfigResp == NULL) {
+      return EFI_OUT_OF_RESOURCES;
+    }
 
     StringPtr = ConfigResp + HeaderLen;
     *StringPtr = L'&';
     StringPtr++;
 
-    Status = FormBrowser2->BrowserCallback (
-                             FormBrowser2,
+    Status = mFormBrowser2->BrowserCallback (
+                             mFormBrowser2,
                              &BufferLen,
                              StringPtr,
                              TRUE,
@@ -751,8 +808,8 @@ GetBrowserData (
   //
   // Convert <ConfigResp> to buffer data
   //
-  Status = HiiConfigRouting->ConfigToBlock (
-                               HiiConfigRouting,
+  Status = mHiiConfigRouting->ConfigToBlock (
+                               mHiiConfigRouting,
                                ConfigResp,
                                Buffer,
                                BufferSize,
@@ -780,6 +837,7 @@ GetBrowserData (
                                  &OFFSET=<Number>&WIDTH=<Number>*
 
   @retval EFI_SUCCESS            Routine success.
+  @retval EFI_OUT_OF_RESOURCES   There is no enough available memory space.
   @retval Other                  Updating Browser uncommitted data failed.
 
 **/
@@ -800,8 +858,6 @@ SetBrowserData (
   UINTN                           HeaderLen;
   UINTN                           BufferLen;
   CHAR16                          *Progress;
-  EFI_FORM_BROWSER2_PROTOCOL      *FormBrowser2;
-  EFI_HII_CONFIG_ROUTING_PROTOCOL *HiiConfigRouting;
   CHAR16                          BlockName[33];
   CHAR16                          *ConfigRequest;
   CHAR16                          *Request;
@@ -809,12 +865,7 @@ SetBrowserData (
   //
   // Locate protocols for use
   //
-  Status = gBS->LocateProtocol (&gEfiFormBrowser2ProtocolGuid, NULL, (VOID **) &FormBrowser2);
-  if (EFI_ERROR (Status)) {
-    return Status;
-  }
-
-  Status = gBS->LocateProtocol (&gEfiHiiConfigRoutingProtocolGuid, NULL, (VOID **) &HiiConfigRouting);
+  Status = LocateFormBrowser2Protocols ();
   if (EFI_ERROR (Status)) {
     return Status;
   }
@@ -846,6 +897,9 @@ SetBrowserData (
 
   BufferLen = HeaderLen * sizeof (CHAR16) + StrSize (Request);
   ConfigRequest = AllocateZeroPool (BufferLen);
+  if (ConfigRequest == NULL) {
+    return EFI_OUT_OF_RESOURCES;
+  }
 
   CopyMem (ConfigRequest, ConfigHdr, HeaderLen * sizeof (CHAR16));
   StringPtr = ConfigRequest + HeaderLen;
@@ -854,8 +908,8 @@ SetBrowserData (
   //
   // Convert buffer to <ConfigResp>
   //
-  Status = HiiConfigRouting->BlockToConfig (
-                                HiiConfigRouting,
+  Status = mHiiConfigRouting->BlockToConfig (
+                                mHiiConfigRouting,
                                 ConfigRequest,
                                 Buffer,
                                 BufferSize,
@@ -863,7 +917,7 @@ SetBrowserData (
                                 &Progress
                                 );
   if (EFI_ERROR (Status)) {
-    FreePool (ConfigResp);
+    FreePool (ConfigRequest);
     return Status;
   }
 
@@ -875,14 +929,14 @@ SetBrowserData (
   //
   // Change uncommitted data in Browser
   //
-  Status = FormBrowser2->BrowserCallback (
-                           FormBrowser2,
+  Status = mFormBrowser2->BrowserCallback (
+                           mFormBrowser2,
                            &BufferSize,
                            StringPtr,
                            FALSE,
                            NULL,
                            NULL
                            );
-  FreePool (ConfigResp);
+  FreePool (ConfigRequest);
   return Status;
 }
diff --git a/MdePkg/Library/IfrSupportLib/UefiIfrLibraryInternal.h b/MdePkg/Library/IfrSupportLib/UefiIfrLibraryInternal.h
index 34a0cf126..1cdb36c78 100644
--- a/MdePkg/Library/IfrSupportLib/UefiIfrLibraryInternal.h
+++ b/MdePkg/Library/IfrSupportLib/UefiIfrLibraryInternal.h
@@ -2,7 +2,7 @@
 Utility functions which helps in opcode creation, HII configuration string manipulations, 
 pop up window creations, setup browser persistence data set and get.
 
-Copyright (c) 2007, Intel Corporation
+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
@@ -20,19 +20,16 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 #include <PiDxe.h>
 
-#include <Guid/GlobalVariable.h>
 #include <Protocol/DevicePath.h>
 
 #include <Library/DebugLib.h>
 #include <Library/BaseMemoryLib.h>
-#include <Library/UefiRuntimeServicesTableLib.h>
 #include <Library/UefiBootServicesTableLib.h>
 #include <Library/BaseLib.h>
 #include <Library/DevicePathLib.h>
 #include <Library/MemoryAllocationLib.h>
 #include <Library/IfrSupportLib.h>
-#include <Library/HiiLib.h>
-#include <Library/PcdLib.h>
+
 
 #endif
 
diff --git a/MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.c b/MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.c
index 2b09c46cc..72add417b 100644
--- a/MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.c
+++ b/MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.c
@@ -196,20 +196,16 @@ ExtractGuidedSectionRegisterHandlers (
   //

   for (Index = 0; Index < HandlerInfo->NumberOfExtractHandler; Index ++) {

     if (CompareGuid (HandlerInfo->ExtractHandlerGuidTable + Index, SectionGuid)) {

-      break;

+      //

+      // If the guided handler has been registered before, only update its handler.

+      //

+      HandlerInfo->ExtractDecodeHandlerTable [Index] = DecodeHandler;

+      HandlerInfo->ExtractGetInfoHandlerTable [Index] = GetInfoHandler;

+      return RETURN_SUCCESS;

     }

   }

 

   //

-  // If the guided handler has been registered before, only update its handler.

-  //

-  if (Index < HandlerInfo->NumberOfExtractHandler) {

-    HandlerInfo->ExtractDecodeHandlerTable [Index] = DecodeHandler;

-    HandlerInfo->ExtractGetInfoHandlerTable [Index] = GetInfoHandler;

-    return RETURN_SUCCESS;

-  }

-

-  //

   // Check the global table is enough to contain new Handler.

   //

   if (HandlerInfo->NumberOfExtractHandler >= PcdGet32 (PcdMaximumGuidedExtractHandler)) {

@@ -284,26 +280,22 @@ ExtractGuidedSectionGetInfo (
   //

   for (Index = 0; Index < HandlerInfo->NumberOfExtractHandler; Index ++) {

     if (CompareGuid (HandlerInfo->ExtractHandlerGuidTable + Index, &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid))) {

-      break;

+      //

+      // Call the match handler to getinfo for the input section data.

+      //

+      return HandlerInfo->ExtractGetInfoHandlerTable [Index] (

+                InputSection,

+                OutputBufferSize,

+                ScratchBufferSize,

+                SectionAttribute

+              );

     }

   }

 

   //

   // Not found, the input guided section is not supported. 

   //

-  if (Index == HandlerInfo->NumberOfExtractHandler) {

-    return RETURN_UNSUPPORTED;

-  }

-

-  //

-  // Call the match handler to getinfo for the input section data.

-  //

-  return HandlerInfo->ExtractGetInfoHandlerTable [Index] (

-            InputSection,

-            OutputBufferSize,

-            ScratchBufferSize,

-            SectionAttribute

-          );

+  return RETURN_UNSUPPORTED;

 }

 

 /**
@@ -366,24 +358,20 @@ ExtractGuidedSectionDecode (
   //

   for (Index = 0; Index < HandlerInfo->NumberOfExtractHandler; Index ++) {

     if (CompareGuid (HandlerInfo->ExtractHandlerGuidTable + Index, &(((EFI_GUID_DEFINED_SECTION *) InputSection)->SectionDefinitionGuid))) {

-      break;

+      //

+      // Call the match handler to extract raw data for the input guided section.

+      //

+      return HandlerInfo->ExtractDecodeHandlerTable [Index] (

+                InputSection,

+                OutputBuffer,

+                ScratchBuffer,

+                AuthenticationStatus

+              );

     }

   }

 

   //

   // Not found, the input guided section is not supported. 

   //

-  if (Index == HandlerInfo->NumberOfExtractHandler) {

-    return RETURN_UNSUPPORTED;

-  }

-

-  //

-  // Call the match handler to extract raw data for the input guided section.

-  //

-  return HandlerInfo->ExtractDecodeHandlerTable [Index] (

-            InputSection,

-            OutputBuffer,

-            ScratchBuffer,

-            AuthenticationStatus

-          );

+  return RETURN_UNSUPPORTED;

 }

diff --git a/MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.inf b/MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.inf
index d0853d261..b84ee0558 100644
--- a/MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.inf
+++ b/MdePkg/Library/PeiExtractGuidedSectionLib/PeiExtractGuidedSectionLib.inf
@@ -42,7 +42,7 @@
   DebugLib

   HobLib

 

-[FixedPcd.common]

+[Pcd.common]

   gEfiMdePkgTokenSpaceGuid.PcdMaximumGuidedExtractHandler