UefiCpuPkg: Add ExceptionHandlerData for ArchSaveExceptionContext()

mReservedVectors is not set, we could add parameter ExceptionHandlerData for
ArchSaveExceptionContext() that could use it instead of mReservedVectors.

Cc: Feng Tian <feng.tian@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Michael D Kinney <michael.d.kinney@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>

4 files changed, 39 insertions, 29 deletions

diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h b/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h
index 9c88012..dc5d941 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h
@@ -197,14 +197,15 @@ UpdateIdtTable (
 /**

   Save CPU exception context when handling EFI_VECTOR_HANDOFF_HOOK_AFTER case.

 

-  @param[in] ExceptionType  Exception type.

-  @param[in] SystemContext  Pointer to EFI_SYSTEM_CONTEXT.

-

+  @param[in] ExceptionType        Exception type.

+  @param[in] SystemContext        Pointer to EFI_SYSTEM_CONTEXT.

+  @param[in] ExceptionHandlerData Pointer to exception handler data.

 **/

 VOID

 ArchSaveExceptionContext (

-  IN UINTN                ExceptionType,

-  IN EFI_SYSTEM_CONTEXT   SystemContext 

+  IN UINTN                        ExceptionType,

+  IN EFI_SYSTEM_CONTEXT           SystemContext,

+  IN EXCEPTION_HANDLER_DATA       *ExceptionHandlerData

   );

 

 /**

diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ArchExceptionHandler.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ArchExceptionHandler.c
index 7a183bf..b96636b 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ArchExceptionHandler.c
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ArchExceptionHandler.c
@@ -1,7 +1,7 @@
 /** @file

   IA32 CPU Exception Handler functons.

 

-  Copyright (c) 2012 - 2015, Intel Corporation. All rights reserved.<BR>

+  Copyright (c) 2012 - 2016, Intel Corporation. All rights reserved.<BR>

   This program and the accompanying materials

   are licensed and made available under the terms and conditions of the BSD License

   which accompanies this distribution.  The full text of the license may be found at

@@ -50,24 +50,28 @@ ArchGetIdtHandler (
 /**

   Save CPU exception context when handling EFI_VECTOR_HANDOFF_HOOK_AFTER case.

 

-  @param ExceptionType  Exception type.

-  @param SystemContext  Pointer to EFI_SYSTEM_CONTEXT.

-

+  @param[in] ExceptionType        Exception type.

+  @param[in] SystemContext        Pointer to EFI_SYSTEM_CONTEXT.

+  @param[in] ExceptionHandlerData Pointer to exception handler data.

 **/

 VOID

 ArchSaveExceptionContext (

-  IN UINTN                ExceptionType,

-  IN EFI_SYSTEM_CONTEXT   SystemContext 

+  IN UINTN                        ExceptionType,

+  IN EFI_SYSTEM_CONTEXT           SystemContext,

+  IN EXCEPTION_HANDLER_DATA       *ExceptionHandlerData

   )

 {

   IA32_EFLAGS32           Eflags;

+  RESERVED_VECTORS_DATA   *ReservedVectors;

+

+  ReservedVectors = ExceptionHandlerData->ReservedVectors;

   //

   // Save Exception context in global variable

   //

-  mReservedVectors[ExceptionType].OldFlags      = SystemContext.SystemContextIa32->Eflags;

-  mReservedVectors[ExceptionType].OldCs         = SystemContext.SystemContextIa32->Cs;

-  mReservedVectors[ExceptionType].OldIp         = SystemContext.SystemContextIa32->Eip;

-  mReservedVectors[ExceptionType].ExceptionData = SystemContext.SystemContextIa32->ExceptionData;

+  ReservedVectors[ExceptionType].OldFlags      = SystemContext.SystemContextIa32->Eflags;

+  ReservedVectors[ExceptionType].OldCs         = SystemContext.SystemContextIa32->Cs;

+  ReservedVectors[ExceptionType].OldIp         = SystemContext.SystemContextIa32->Eip;

+  ReservedVectors[ExceptionType].ExceptionData = SystemContext.SystemContextIa32->ExceptionData;

   //

   // Clear IF flag to avoid old IDT handler enable interrupt by IRET

   //

@@ -77,7 +81,7 @@ ArchSaveExceptionContext (
   //

   // Modify the EIP in stack, then old IDT handler will return to the stub code

   //

-  SystemContext.SystemContextIa32->Eip    = (UINTN) mReservedVectors[ExceptionType].HookAfterStubHeaderCode;

+  SystemContext.SystemContextIa32->Eip    = (UINTN) ReservedVectors[ExceptionType].HookAfterStubHeaderCode;

 }

 

 /**

diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiDxeSmmCpuException.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiDxeSmmCpuException.c
index e55709c..483a417 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiDxeSmmCpuException.c
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiDxeSmmCpuException.c
@@ -55,7 +55,7 @@ CommonExceptionHandlerWorker (
         // Need to execute old IDT handler before running this exception handler

         //

         ReservedVectors[ExceptionType].ApicId = GetApicId ();

-        ArchSaveExceptionContext (ExceptionType, SystemContext);

+        ArchSaveExceptionContext (ExceptionType, SystemContext, ExceptionHandlerData);

         ExceptionHandlerContext->ExceptionDataFlag = (mErrorCodeFlag & (1 << ExceptionType)) ? TRUE : FALSE;

         ExceptionHandlerContext->OldIdtHandler     = ReservedVectors[ExceptionType].ExceptonHandler;

         return;

diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchExceptionHandler.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchExceptionHandler.c
index f711c31..f84b1a8 100644
--- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchExceptionHandler.c
+++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchExceptionHandler.c
@@ -1,7 +1,7 @@
 /** @file

   x64 CPU Exception Handler.

 

-  Copyright (c) 2012 - 2015, Intel Corporation. All rights reserved.<BR>

+  Copyright (c) 2012 - 2016, Intel Corporation. All rights reserved.<BR>

   This program and the accompanying materials

   are licensed and made available under the terms and conditions of the BSD License

   which accompanies this distribution.  The full text of the license may be found at

@@ -51,25 +51,30 @@ ArchGetIdtHandler (
 /**

   Save CPU exception context when handling EFI_VECTOR_HANDOFF_HOOK_AFTER case.

 

-  @param ExceptionType  Exception type.

-  @param SystemContext  Pointer to EFI_SYSTEM_CONTEXT.

+  @param[in] ExceptionType        Exception type.

+  @param[in] SystemContext        Pointer to EFI_SYSTEM_CONTEXT.

+  @param[in] ExceptionHandlerData Pointer to exception handler data.

 **/

 VOID

 ArchSaveExceptionContext (

-  IN UINTN                ExceptionType,

-  IN EFI_SYSTEM_CONTEXT   SystemContext 

+  IN UINTN                        ExceptionType,

+  IN EFI_SYSTEM_CONTEXT           SystemContext,

+  IN EXCEPTION_HANDLER_DATA       *ExceptionHandlerData

   )

 {

   IA32_EFLAGS32           Eflags;

+  RESERVED_VECTORS_DATA   *ReservedVectors;

+

+  ReservedVectors = ExceptionHandlerData->ReservedVectors;

   //

   // Save Exception context in global variable

   //

-  mReservedVectors[ExceptionType].OldSs         = SystemContext.SystemContextX64->Ss;

-  mReservedVectors[ExceptionType].OldSp         = SystemContext.SystemContextX64->Rsp;

-  mReservedVectors[ExceptionType].OldFlags      = SystemContext.SystemContextX64->Rflags;

-  mReservedVectors[ExceptionType].OldCs         = SystemContext.SystemContextX64->Cs;

-  mReservedVectors[ExceptionType].OldIp         = SystemContext.SystemContextX64->Rip;

-  mReservedVectors[ExceptionType].ExceptionData = SystemContext.SystemContextX64->ExceptionData;

+  ReservedVectors[ExceptionType].OldSs         = SystemContext.SystemContextX64->Ss;

+  ReservedVectors[ExceptionType].OldSp         = SystemContext.SystemContextX64->Rsp;

+  ReservedVectors[ExceptionType].OldFlags      = SystemContext.SystemContextX64->Rflags;

+  ReservedVectors[ExceptionType].OldCs         = SystemContext.SystemContextX64->Cs;

+  ReservedVectors[ExceptionType].OldIp         = SystemContext.SystemContextX64->Rip;

+  ReservedVectors[ExceptionType].ExceptionData = SystemContext.SystemContextX64->ExceptionData;

   //

   // Clear IF flag to avoid old IDT handler enable interrupt by IRET

   //

@@ -79,7 +84,7 @@ ArchSaveExceptionContext (
   //

   // Modify the EIP in stack, then old IDT handler will return to the stub code

   //

-  SystemContext.SystemContextX64->Rip = (UINTN) mReservedVectors[ExceptionType].HookAfterStubHeaderCode;

+  SystemContext.SystemContextX64->Rip = (UINTN) ReservedVectors[ExceptionType].HookAfterStubHeaderCode;

 }

 

 /**