CpuException: Avoid allocating code pages for DXE instance

[mirror_edk2.git] / UefiCpuPkg / Library / CpuExceptionHandlerLib / DxeException.c

diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeException.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeException.c
index 61f11e98f8dc6ecdd9561b8d506c72da28a30958..5083c4b8e8cee9c51b683d04f5754e72c01efb37 100644 (file)
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeException.c
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/DxeException.c
@@ -95,9 +95,6 @@ InitializeCpuInterruptHandlers (
   IA32_DESCRIPTOR                 IdtDescriptor;\r
   UINTN                           IdtEntryCount;\r
   EXCEPTION_HANDLER_TEMPLATE_MAP  TemplateMap;\r
-  UINTN                           Index;\r
-  UINTN                           InterruptEntry;\r
-  UINT8                           *InterruptEntryCode;\r
   RESERVED_VECTORS_DATA           *ReservedVectors;\r
   EFI_CPU_INTERRUPT_HANDLER       *ExternalInterruptHandler;\r
 \r
@@ -138,25 +135,6 @@ InitializeCpuInterruptHandlers (
   AsmGetTemplateAddressMap (&TemplateMap);\r
   ASSERT (TemplateMap.ExceptionStubHeaderSize <= HOOKAFTER_STUB_SIZE);\r
 \r
-  Status = gBS->AllocatePool (\r
-                  EfiBootServicesCode,\r
-                  TemplateMap.ExceptionStubHeaderSize * CPU_INTERRUPT_NUM,\r
-                  (VOID **)&InterruptEntryCode\r
-                  );\r
-  ASSERT (!EFI_ERROR (Status) && InterruptEntryCode != NULL);\r
-\r
-  InterruptEntry = (UINTN)InterruptEntryCode;\r
-  for (Index = 0; Index < CPU_INTERRUPT_NUM; Index++) {\r
-    CopyMem (\r
-      (VOID *)InterruptEntry,\r
-      (VOID *)TemplateMap.ExceptionStart,\r
-      TemplateMap.ExceptionStubHeaderSize\r
-      );\r
-    AsmVectorNumFixup ((VOID *)InterruptEntry, (UINT8)Index, (VOID *)TemplateMap.ExceptionStart);\r
-    InterruptEntry += TemplateMap.ExceptionStubHeaderSize;\r
-  }\r
-\r
-  TemplateMap.ExceptionStart                     = (UINTN)InterruptEntryCode;\r
   mExceptionHandlerData.IdtEntryCount            = CPU_INTERRUPT_NUM;\r
   mExceptionHandlerData.ReservedVectors          = ReservedVectors;\r
   mExceptionHandlerData.ExternalInterruptHandler = ExternalInterruptHandler;\r