Make PcdPeim/PcdDxe driver also produce EFI_PCD_PPI/EFI_PCD_PROTOCOL defined in PI 1.2 vol3. The EFI_PCD_PPI/EFI_PCD_PROTOCOL only support dynamic-ex type PCD, but original PCD_PPI/PCD_PROTOCOL in MdePkg support dynamic and dynamic-ex type PCDs.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9401 6f19259b-4bc3-4df7-8a09-765794883524

MdeModulePkg/Universal/PCD/Dxe/Pcd.c

@@ -2,7 +2,7 @@
   PCD DXE driver manage all PCD entry initialized in PEI phase and DXE phase, and
   produce the implementation of PCD protocol.
 
-Copyright (c) 2006 - 2007, Intel Corporation
+Copyright (c) 2006 - 2009, 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
@@ -66,6 +66,26 @@ PCD_PROTOCOL mPcdInstance = {
   DxePcdGetNextTokenSpace
 };
 
+EFI_PCD_PROTOCOL mEfiPcdInstance = {
+  DxePcdSetSku,
+  DxePcdGet8Ex,
+  DxePcdGet16Ex,
+  DxePcdGet32Ex,
+  DxePcdGet64Ex,
+  DxePcdGetPtrEx,
+  DxePcdGetBoolEx,
+  DxePcdGetSizeEx,
+  DxePcdSet8Ex,
+  DxePcdSet16Ex,
+  DxePcdSet32Ex,
+  DxePcdSet64Ex,
+  DxePcdSetPtrEx,
+  DxePcdSetBoolEx,
+  (EFI_PCD_PROTOCOL_CALLBACK_ON_SET) DxeRegisterCallBackOnSet,
+  (EFI_PCD_PROTOCOL_CANCEL_CALLBACK) DxeUnRegisterCallBackOnSet,
+  DxePcdGetNextToken,
+  DxePcdGetNextTokenSpace
+};
 
 //
 // Static global to reduce the code size
@@ -107,6 +127,19 @@ PcdDxeInit (
                   &mPcdInstance
                   );
 
+  
+  //
+  // Also install gEfiPcdProtocolGuid which is only support dynamic-ex type 
+  // PCD.
+  //
+  mNewHandle = NULL;
+  Status = gBS->InstallProtocolInterface (
+                  &mNewHandle,
+                  &gEfiPcdProtocolGuid,
+                  EFI_NATIVE_INTERFACE,
+                  &mEfiPcdInstance
+                  );
+                  
   ASSERT_EFI_ERROR (Status);
 
   return EFI_SUCCESS;

MdeModulePkg/Universal/PCD/Dxe/Pcd.inf

@@ -318,7 +318,8 @@
 
 [Protocols]
   gPcdProtocolGuid                              ## PRODUCES
-
+  gEfiPcdProtocolGuid                           ## PRODUCES
+  
 [FixedPcd.common]
   gEfiMdeModulePkgTokenSpaceGuid.PcdVpdBaseAddress
 

MdeModulePkg/Universal/PCD/Dxe/Service.h

@@ -18,6 +18,7 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 #include <PiDxe.h>
 #include <Guid/PcdDataBaseHobGuid.h>
 #include <Protocol/Pcd.h>
+#include <Protocol/PiPcd.h>
 #include <Library/BaseLib.h>
 #include <Library/DebugLib.h>
 #include <Library/UefiLib.h>