diff options
author | Jeff Fan <jeff.fan@intel.com> | 2017-04-01 14:16:41 +0800 |
---|---|---|
committer | Jeff Fan <jeff.fan@intel.com> | 2017-04-07 09:43:44 +0800 |
commit | 1b2f7b3e4906fbee727677e827dacee7a9fc9b7f (patch) | |
tree | b3e87dda2960dab24821048db19dbc8cf0bd645d /UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ArchExceptionHandler.c | |
parent | e2884d2cd07174f987c5932c6eebac71cf4376f9 (diff) | |
download | edk2-platforms-1b2f7b3e4906fbee727677e827dacee7a9fc9b7f.tar.xz |
UefiCpuPkg/CpuExceptionHandlerLib: Add DumpCpuContext() implementation
Export DumpCpuCotext() to display CPU Context. We will invoke
PeCoffGetEntrypointLib's PeCoffSerachImageBase() to get PE/COFF image base.
Display exception data bit value for page fault exception.
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Michael Kinney <michael.d.kinney@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: Jiewen Yao <jiewen.yao@intel.com>
Diffstat (limited to 'UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ArchExceptionHandler.c')
-rw-r--r-- | UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ArchExceptionHandler.c | 65 |
1 files changed, 41 insertions, 24 deletions
diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ArchExceptionHandler.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ArchExceptionHandler.c index 7ab2438dae..52b0e76cd2 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 - 2016, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2012 - 2017, 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
@@ -108,39 +108,49 @@ ArchRestoreExceptionContext ( }
/**
- Display CPU information.
+ Display processor context.
- @param ExceptionType Exception type.
- @param SystemContext Pointer to EFI_SYSTEM_CONTEXT.
+ @param[in] ExceptionType Exception type.
+ @param[in] SystemContext Processor context to be display.
**/
VOID
-DumpCpuContent (
+EFIAPI
+DumpCpuContext (
IN EFI_EXCEPTION_TYPE ExceptionType,
IN EFI_SYSTEM_CONTEXT SystemContext
)
{
- UINTN ImageBase;
- UINTN EntryPoint;
-
InternalPrintMessage (
"!!!! IA32 Exception Type - %02x(%a) CPU Apic ID - %08x !!!!\n",
ExceptionType,
GetExceptionNameStr (ExceptionType),
GetApicId ()
);
-
+ if ((mErrorCodeFlag & (1 << ExceptionType)) != 0) {
+ InternalPrintMessage (
+ "ExceptionData - %08x",
+ SystemContext.SystemContextIa32->ExceptionData
+ );
+ if (ExceptionType == EXCEPT_IA32_PAGE_FAULT) {
+ InternalPrintMessage (
+ " I:%x R:%x U:%x W:%x P:%x PK:%x S:%x",
+ (SystemContext.SystemContextIa32->ExceptionData & IA32_PF_EC_ID) != 0,
+ (SystemContext.SystemContextIa32->ExceptionData & IA32_PF_EC_RSVD) != 0,
+ (SystemContext.SystemContextIa32->ExceptionData & IA32_PF_EC_US) != 0,
+ (SystemContext.SystemContextIa32->ExceptionData & IA32_PF_EC_WR) != 0,
+ (SystemContext.SystemContextIa32->ExceptionData & IA32_PF_EC_P) != 0,
+ (SystemContext.SystemContextIa32->ExceptionData & IA32_PF_EC_PK) != 0,
+ (SystemContext.SystemContextIa32->ExceptionData & IA32_PF_EC_SGX) != 0
+ );
+ }
+ InternalPrintMessage ("\n");
+ }
InternalPrintMessage (
"EIP - %08x, CS - %08x, EFLAGS - %08x\n",
SystemContext.SystemContextIa32->Eip,
SystemContext.SystemContextIa32->Cs,
SystemContext.SystemContextIa32->Eflags
);
- if ((mErrorCodeFlag & (1 << ExceptionType)) != 0) {
- InternalPrintMessage (
- "ExceptionData - %08x\n",
- SystemContext.SystemContextIa32->ExceptionData
- );
- }
InternalPrintMessage (
"EAX - %08x, ECX - %08x, EDX - %08x, EBX - %08x\n",
SystemContext.SystemContextIa32->Eax,
@@ -198,16 +208,23 @@ DumpCpuContent ( "FXSAVE_STATE - %08x\n",
&SystemContext.SystemContextIa32->FxSaveState
);
+}
+
+/**
+ Display CPU information.
+ @param ExceptionType Exception type.
+ @param SystemContext Pointer to EFI_SYSTEM_CONTEXT.
+**/
+VOID
+DumpImageAndCpuContent (
+ IN EFI_EXCEPTION_TYPE ExceptionType,
+ IN EFI_SYSTEM_CONTEXT SystemContext
+ )
+{
+ DumpCpuContext (ExceptionType, SystemContext);
//
- // Find module image base and module entry point by RIP
+ // Dump module image base and module entry point by EIP
//
- ImageBase = FindModuleImageBase (SystemContext.SystemContextIa32->Eip, &EntryPoint);
- if (ImageBase != 0) {
- InternalPrintMessage (
- " (ImageBase=%08x, EntryPoint=%08x) !!!!\n",
- ImageBase,
- EntryPoint
- );
- }
+ DumpModuleImageInfo (SystemContext.SystemContextIa32->Eip);
}
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