UefiCpuPkg/ExceptionLib: Add CommonExceptionHandlerWorker()

Add internal worker function RegisterCpuInterruptHandlerWorker().

Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

1 files changed, 17 insertions, 2 deletions

diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeException.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeException.c
index 5c4ee2a1ed..3320066564 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeException.c
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeException.c
@@ -19,13 +19,28 @@
 

 CONST UINTN    mDoFarReturnFlag  = 0;

 

-extern SPIN_LOCK                   mDisplayMessageSpinLock;

 extern EFI_CPU_INTERRUPT_HANDLER   *mExternalInterruptHandler;

 extern RESERVED_VECTORS_DATA       mReservedVectorsData[CPU_EXCEPTION_NUM];

 extern EFI_CPU_INTERRUPT_HANDLER   mExternalInterruptHandlerTable[CPU_EXCEPTION_NUM];

 EXCEPTION_HANDLER_DATA      mExceptionHandlerData;

 

 /**

+  Common exception handler.

+

+  @param ExceptionType  Exception type.

+  @param SystemContext  Pointer to EFI_SYSTEM_CONTEXT.

+**/

+VOID

+EFIAPI

+CommonExceptionHandler (

+  IN EFI_EXCEPTION_TYPE          ExceptionType, 

+  IN EFI_SYSTEM_CONTEXT          SystemContext

+  )

+{

+  CommonExceptionHandlerWorker (ExceptionType, SystemContext, &mExceptionHandlerData);

+}

+

+/**

   Initializes all CPU exceptions entries and provides the default exception handlers.

   

   Caller should try to get an array of interrupt and/or exception vectors that are in use and need to

@@ -96,7 +111,7 @@ InitializeCpuInterruptHandlers (
       return EFI_INVALID_PARAMETER;

     }

   }

-  InitializeSpinLock (&mDisplayMessageSpinLock);

+

   ExternalInterruptHandler = AllocateZeroPool (sizeof (EFI_CPU_INTERRUPT_HANDLER) * CPU_INTERRUPT_NUM);

   ASSERT (ExternalInterruptHandler != NULL);