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UefiCpuPkg/CpuExceptionHandlerLib: Add DumpCpuContext() implementation

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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>
This commit is contained in:
Jeff Fan
2017-04-01 14:16:41 +08:00
parent e2884d2cd0
commit 1b2f7b3e49
9 changed files with 132 additions and 147 deletions
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65
UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchExceptionHandler.c
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@@ -1,7 +1,7 @@
/** @file
x64 CPU Exception Handler.
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
@@ -119,33 +119,43 @@ ArchRestoreExceptionContext (
@param SystemContext Pointer to EFI_SYSTEM_CONTEXT.
**/
VOID
DumpCpuContent (
EFIAPI
DumpCpuContext (
IN EFI_EXCEPTION_TYPE ExceptionType,
IN EFI_SYSTEM_CONTEXT SystemContext
)
{
UINTN ImageBase;
UINTN EntryPoint;
InternalPrintMessage (
"!!!! X64 Exception Type - %02x(%a) CPU Apic ID - %08x !!!!\n",
ExceptionType,
GetExceptionNameStr (ExceptionType),
GetApicId ()
);
if ((mErrorCodeFlag & (1 << ExceptionType)) != 0) {
InternalPrintMessage (
"ExceptionData - %016lx",
SystemContext.SystemContextX64->ExceptionData
);
if (ExceptionType == EXCEPT_IA32_PAGE_FAULT) {
InternalPrintMessage (
" I:%x R:%x U:%x W:%x P:%x PK:%x S:%x",
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_ID) != 0,
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_RSVD) != 0,
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_US) != 0,
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_WR) != 0,
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_P) != 0,
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_PK) != 0,
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_SGX) != 0
);
}
InternalPrintMessage ("\n");
}
InternalPrintMessage (
"RIP - %016lx, CS - %016lx, RFLAGS - %016lx\n",
SystemContext.SystemContextX64->Rip,
SystemContext.SystemContextX64->Cs,
SystemContext.SystemContextX64->Rflags
);
if (mErrorCodeFlag & (1 << ExceptionType)) {
InternalPrintMessage (
"ExceptionData - %016lx\n",
SystemContext.SystemContextX64->ExceptionData
);
}
InternalPrintMessage (
"RAX - %016lx, RCX - %016lx, RDX - %016lx\n",
SystemContext.SystemContextX64->Rax,
@@ -230,16 +240,23 @@ DumpCpuContent (
"FXSAVE_STATE - %016lx\n",
&SystemContext.SystemContextX64->FxSaveState
);
//
// Find module image base and module entry point by RIP
//
ImageBase = FindModuleImageBase (SystemContext.SystemContextX64->Rip, &EntryPoint);
if (ImageBase != 0) {
InternalPrintMessage (
" (ImageBase=%016lx, EntryPoint=%016lx) !!!!\n",
ImageBase,
EntryPoint
);
}
}
/**
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);
//
// Dump module image base and module entry point by RIP
//
DumpModuleImageInfo (SystemContext.SystemContextX64->Rip);
}