1. Add three sample PCD in HelloWorld application for user reference of PCD usage.

2. PeiCore will always build FvHob for the extracted FvImage once it decompresses the new FvImage. 

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5930 6f19259b-4bc3-4df7-8a09-765794883524

4 files changed, 66 insertions, 20 deletions

diff --git a/MdeModulePkg/Application/HelloWorld/HelloWorld.c b/MdeModulePkg/Application/HelloWorld/HelloWorld.c
index 4106753..b1d16f7 100644
--- a/MdeModulePkg/Application/HelloWorld/HelloWorld.c
+++ b/MdeModulePkg/Application/HelloWorld/HelloWorld.c
@@ -13,6 +13,7 @@
 **/

 

 #include <Uefi.h>

+#include <Library/PcdLib.h>

 #include <Library/DebugLib.h>

 #include <Library/UefiLib.h>

 #include <Library/UefiApplicationEntryPoint.h>

@@ -37,10 +38,19 @@ UefiMain (
   IN EFI_HANDLE        ImageHandle,

   IN EFI_SYSTEM_TABLE  *SystemTable

   )

-

 {

+	UINT32 Index;

+	

+	Index = 0;

   

-  Print ((CHAR16 *)L"UEFI Hello World!\n");

+  //

+  // Three PCD type (FeatureFlag, UINT32 and String) are used as the sample.

+  //

+  if (FeaturePcdGet (PcdHelloWorldPrintEnable)) {

+  	for (Index = 0; Index < PcdGet32 (PcdHelloWorldPrintTimes); Index ++) {

+    	Print ((CHAR16*)PcdGetPtr (PcdHelloWorldPrintString));

+    }

+  }

 

   return EFI_SUCCESS;

 }

diff --git a/MdeModulePkg/Application/HelloWorld/HelloWorld.inf b/MdeModulePkg/Application/HelloWorld/HelloWorld.inf
index a92bd5a..5b4a515 100644
--- a/MdeModulePkg/Application/HelloWorld/HelloWorld.inf
+++ b/MdeModulePkg/Application/HelloWorld/HelloWorld.inf
@@ -31,18 +31,29 @@
 #  VALID_ARCHITECTURES           = IA32 X64 IPF EBC

 #

 

-[Sources.common]

+[Sources]

   HelloWorld.c

 

-

 [Packages]

   MdePkg/MdePkg.dec

-

+  MdeModulePkg/MdeModulePkg.dec

 

 [LibraryClasses]

   UefiBootServicesTableLib

   UefiApplicationEntryPoint

   UefiLib

   DebugLib

+  PcdLib

+

+[Guids]

+

+[Ppis]

+

+[Protocols]

 

+[FeaturePcd]

+  gEfiMdeModulePkgTokenSpaceGuid.PcdHelloWorldPrintEnable

 

+[Pcd]

+  gEfiMdeModulePkgTokenSpaceGuid.PcdHelloWorldPrintString

+  gEfiMdeModulePkgTokenSpaceGuid.PcdHelloWorldPrintTimes

diff --git a/MdeModulePkg/Core/Pei/FwVol/FwVol.c b/MdeModulePkg/Core/Pei/FwVol/FwVol.c
index 884029f..37ddb79 100644
--- a/MdeModulePkg/Core/Pei/FwVol/FwVol.c
+++ b/MdeModulePkg/Core/Pei/FwVol/FwVol.c
@@ -923,22 +923,11 @@ ProcessFvFile (
 

   //

   // Inform the extracted FvImage to Fv HOB consumer phase, i.e. DXE phase

-  // based on its parent Fvimage is informed or not.

-  // If FvHob of its parent fvimage is built, the extracted FvImage will be built also. 

-  // Or, the extracted FvImage will not be built.

   //

-  HobPtr.Raw = GetHobList ();

-  while ((HobPtr.Raw = GetNextHob (EFI_HOB_TYPE_FV, HobPtr.Raw)) != NULL) {

-    if (((EFI_PHYSICAL_ADDRESS) (UINTN)FvFileHandle > HobPtr.FirmwareVolume->BaseAddress) && 

-        ((EFI_PHYSICAL_ADDRESS) (UINTN)FvFileHandle < HobPtr.FirmwareVolume->BaseAddress + HobPtr.FirmwareVolume->Length)) {

-      BuildFvHob (

-        (EFI_PHYSICAL_ADDRESS) (UINTN) FvImageInfo.FvStart,

-        FvImageInfo.FvSize

-      );

-      break;

-    }

-    HobPtr.Raw = GET_NEXT_HOB (HobPtr);

-  }

+  BuildFvHob (

+    (EFI_PHYSICAL_ADDRESS) (UINTN) FvImageInfo.FvStart,

+    FvImageInfo.FvSize

+  );

 

   //

   // Makes the encapsulated volume show up in DXE phase to skip processing of

diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 5088293..7dcb1f1 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -294,6 +294,12 @@
   

   ## IF TRUE, the PeiCore will handle the framework FvHob and install FvInfo PPI for it.

   gEfiMdeModulePkgTokenSpaceGuid.PcdFrameworkFvHobCompatibilitySupport|FALSE|BOOLEAN|0x00012009

+  

+  ##

+  #  IF TRUE, HelloWorld Application will print the verbose information.

+  #  This PCD is a sample to explain FeatureFlag PCD usage.

+  ##

+  gEfiMdeModulePkgTokenSpaceGuid.PcdHelloWorldPrintEnable|TRUE|BOOLEAN|0x0001200a

 

 [PcdsFixedAtBuild.common]

   ## Dynamic type PCD can be registered callback function for Pcd setting action.

@@ -363,6 +369,18 @@
 

   ## Error level for hardware recorder.

   gEfiMdeModulePkgTokenSpaceGuid.PcdHardwareErrorRecordLevel|1|UINT16|0x40000002

+  

+  ##

+  #  This PCD defines the print string.

+  #  This PCD is a sample to explain FixedAtBuild String PCD usage.

+  ##

+  gEfiMdeModulePkgTokenSpaceGuid.PcdHelloWorldPrintString|L"UEFI Hello World!\n"|VOID*|0x40000004

+

+  ##

+  #  This PCD defines the times to print hello world string.

+  #  This PCD is a sample to explain FixedAtBuild UINT32 PCD usage.

+  ##

+  gEfiMdeModulePkgTokenSpaceGuid.PcdHelloWorldPrintTimes|1|UINT32|0x40000005

 

 [PcdsFixedAtBuild.IA32]

   ## Default EFI boot path name for IA32 architecture, this path is relative to 

@@ -410,6 +428,18 @@
   ## Error level for hardware recorder.

   gEfiMdeModulePkgTokenSpaceGuid.PcdHardwareErrorRecordLevel|1|UINT16|0x40000002

 

+  ##

+  #  This PCD defines the print string.

+  #  This PCD is a sample to explain Dynamic PCD usage.

+  ##

+  gEfiMdeModulePkgTokenSpaceGuid.PcdHelloWorldPrintString|L"UEFI Hello World!\n"|VOID*|0x40000004

+

+  ##

+  #  This PCD defines the times to print hello world string.

+  #  This PCD is a sample to explain Dynamic UINT32 PCD usage.

+  ##

+  gEfiMdeModulePkgTokenSpaceGuid.PcdHelloWorldPrintTimes|1|UINT32|0x40000005

+

 [PcdsPatchableInModule.common]

   ## Maximun number of performance log entries during PEI phase.

   gEfiMdeModulePkgTokenSpaceGuid.PcdMaxPeiPerformanceLogEntries|40|UINT8|0x0001002f

@@ -439,6 +469,12 @@
   ## Error level for hardware recorder.

   gEfiMdeModulePkgTokenSpaceGuid.PcdHardwareErrorRecordLevel|1|UINT16|0x40000002

 

+  ##

+  #  This PCD defines the times to print hello world string.

+  #  This PCD is a sample to explain Patchable UINT32 PCD usage.

+  ##

+  gEfiMdeModulePkgTokenSpaceGuid.PcdHelloWorldPrintTimes|1|UINT32|0x40000005

+

 [PcdsFeatureFlag.IA32]

   ## If TRUE, the DXE IPL will load a 64-bit DxeCore.

   gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSwitchToLongMode|TRUE|BOOLEAN|0x0001003b