[edk2-devel] [PATCH 2/5] CpuException: Init global variables in-place

[Ni, Ray]

Additionally removed two useless global variables:
"SPIN_LOCK  mDisplayMessageSpinLock" from SMM instance.
"UINTN mEnabledInterruptNum" from DXE instance.

Signed-off-by: Ray Ni <ray...@intel.com>
Cc: Eric Dong <eric.d...@intel.com>
---
 .../Library/CpuExceptionHandlerLib/DxeException.c  | 11 ++++++-----
 .../Library/CpuExceptionHandlerLib/SmmException.c  | 14 ++++++--------
 2 files changed, 12 insertions(+), 13 deletions(-)

diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeException.c 
b/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeException.c
index 5083c4b8e8..da5b96d6c6 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeException.c
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeException.c
@@ -16,9 +16,12 @@ CONST UINTN  mDoFarReturnFlag = 0;
 
 RESERVED_VECTORS_DATA      mReservedVectorsData[CPU_EXCEPTION_NUM];
 EFI_CPU_INTERRUPT_HANDLER  mExternalInterruptHandlerTable[CPU_EXCEPTION_NUM];
-UINTN                      mEnabledInterruptNum = 0;
-
-EXCEPTION_HANDLER_DATA  mExceptionHandlerData;
+EXCEPTION_HANDLER_DATA     mExceptionHandlerData = {
+  0,   // To be fixed
+  0,   // To be fixed
+  mReservedVectorsData,
+  mExternalInterruptHandlerTable
+};
 
 UINT8  mNewStack[CPU_STACK_SWITCH_EXCEPTION_NUMBER *
                  CPU_KNOWN_GOOD_STACK_SIZE];
@@ -62,8 +65,6 @@ InitializeCpuExceptionHandlers (
   IN EFI_VECTOR_HANDOFF_INFO  *VectorInfo OPTIONAL
   )
 {
-  mExceptionHandlerData.ReservedVectors          = mReservedVectorsData;
-  mExceptionHandlerData.ExternalInterruptHandler = 
mExternalInterruptHandlerTable;
   InitializeSpinLock (&mExceptionHandlerData.DisplayMessageSpinLock);
   return InitializeCpuExceptionHandlersWorker (VectorInfo, 
&mExceptionHandlerData);
 }
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/SmmException.c 
b/UefiCpuPkg/Library/CpuExceptionHandlerLib/SmmException.c
index 77ee74579f..9f0af4120a 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/SmmException.c
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/SmmException.c
@@ -11,14 +11,14 @@
 
 CONST UINTN  mDoFarReturnFlag = 1;
 
-//
-// Spin lock for CPU information display
-//
-SPIN_LOCK  mDisplayMessageSpinLock;
-
 RESERVED_VECTORS_DATA      mReservedVectorsData[CPU_EXCEPTION_NUM];
 EFI_CPU_INTERRUPT_HANDLER  mExternalInterruptHandlerTable[CPU_EXCEPTION_NUM];
-EXCEPTION_HANDLER_DATA     mExceptionHandlerData;
+EXCEPTION_HANDLER_DATA     mExceptionHandlerData = {
+  0,   // To be fixed
+  0,   // To be fixed
+  mReservedVectorsData,
+  mExternalInterruptHandlerTable
+};
 
 /**
   Common exception handler.
@@ -58,8 +58,6 @@ InitializeCpuExceptionHandlers (
   IN EFI_VECTOR_HANDOFF_INFO  *VectorInfo OPTIONAL
   )
 {
-  mExceptionHandlerData.ReservedVectors          = mReservedVectorsData;
-  mExceptionHandlerData.ExternalInterruptHandler = 
mExternalInterruptHandlerTable;
   InitializeSpinLock (&mExceptionHandlerData.DisplayMessageSpinLock);
   return InitializeCpuExceptionHandlersWorker (VectorInfo, 
&mExceptionHandlerData);
 }
-- 
2.35.1.windows.2



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