diff options
| author | Jeff Fan <jeff.fan@intel.com> | 2013-11-22 06:24:41 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2013-11-22 06:24:41 +0000 |
| commit | e41aad152135f27ae1da142454af85a6597719ee (patch) | |
| tree | 07138e5c40f53ca941863f27f8ad409019556077 /UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.c | |
| parent | 57f360f2615818366b39ff21fcd0201154be4ab2 (diff) | |
| download | edk2-platforms-e41aad152135f27ae1da142454af85a6597719ee.tar.xz | |
1. Separated DxeSmmCpuExceptionHandlerLib.inf into 2 instance DxeCpuExceptionHandlerLib.inf and SmmCpuExceptionHandlerLib.inf.
2. Updated CPU Exception Handler Library instance according to the new CPU Exception Handler Library class definitions.
3. Updated CPU Exception Handler Library instance to handle the vector attributes defined in PI 1.2.1.
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Hot Tian <hot.tian@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14885 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.c')
| -rw-r--r-- | UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.c | 39 |
1 files changed, 36 insertions, 3 deletions
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.c index b1c6923035..c075d5f168 100644 --- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.c +++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.c @@ -1,7 +1,7 @@ /** @file
CPU Exception Hanlder Library common functions.
- Copyright (c) 2012, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2012 - 2013, 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
@@ -15,12 +15,13 @@ #include "CpuExceptionCommon.h"
//
-// Error code flag indicating whether or not an error code will be
+// Error code flag indicating whether or not an error code will be
// pushed on the stack if an exception occurs.
//
// 1 means an error code will be pushed, otherwise 0
//
-UINT32 mErrorCodeFlag = 0x00027d00;
+CONST UINT32 mErrorCodeFlag = 0x00027d00;
+RESERVED_VECTORS_DATA *mReservedVectors = NULL;
//
// Define the maximum message length
@@ -133,3 +134,35 @@ FindModuleImageBase ( return Pe32Data;
}
+/**
+ Read and save reserved vector information
+
+ @param[in] VectorInfo Pointer to reserved vector list.
+ @param[out] ReservedVector Pointer to reserved vector data buffer.
+ @param[in] VectorCount Vector number to be updated.
+
+ @return EFI_SUCCESS Read and save vector info successfully.
+ @retval EFI_INVALID_PARAMETER VectorInfo includes the invalid content if VectorInfo is not NULL.
+
+**/
+EFI_STATUS
+ReadAndVerifyVectorInfo (
+ IN EFI_VECTOR_HANDOFF_INFO *VectorInfo,
+ OUT RESERVED_VECTORS_DATA *ReservedVector,
+ IN UINTN VectorCount
+ )
+{
+ while (VectorInfo->Attribute != EFI_VECTOR_HANDOFF_LAST_ENTRY) {
+ if (VectorInfo->Attribute > EFI_VECTOR_HANDOFF_HOOK_AFTER) {
+ //
+ // If vector attrubute is invalid
+ //
+ return EFI_INVALID_PARAMETER;
+ }
+ if (VectorInfo->VectorNumber < VectorCount) {
+ ReservedVector[VectorInfo->VectorNumber].Attribute = VectorInfo->Attribute;
+ }
+ VectorInfo ++;
+ }
+ return EFI_SUCCESS;
+}
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