diff options
| -rw-r--r-- | MdeModulePkg/Application/HelloWorld/HelloWorld.c | 14 | ||||
| -rw-r--r-- | MdeModulePkg/Application/HelloWorld/HelloWorld.inf | 17 | ||||
| -rw-r--r-- | MdeModulePkg/Core/Pei/FwVol/FwVol.c | 19 | ||||
| -rw-r--r-- | MdeModulePkg/MdeModulePkg.dec | 36 |
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
|