From a51ee14463c7beb7e0ab6fc0d642867e79e5a2ec Mon Sep 17 00:00:00 2001 From: Jeff Fan Date: Wed, 8 Jul 2015 05:45:10 +0000 Subject: UefiCpuPkg/Library/CpuExceptionHandlerLib: Add exception type decoder Add exception type decoder to print exception name string beside print exception type value. The exception names are from IA32 SDM. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jeff Fan Reviewed-by: Feng Tian git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17877 6f19259b-4bc3-4df7-8a09-765794883524 --- .../CpuExceptionHandlerLib/CpuExceptionCommon.c | 66 ++++++++++++++++++---- .../CpuExceptionHandlerLib/CpuExceptionCommon.h | 14 ++++- .../Ia32/ArchExceptionHandler.c | 6 +- .../X64/ArchExceptionHandler.c | 6 +- 4 files changed, 77 insertions(+), 15 deletions(-) diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.c index f8cbcf080d..5d2816111f 100644 --- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.c +++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.c @@ -1,7 +1,7 @@ /** @file CPU Exception Handler Library common functions. - Copyright (c) 2012 - 2014, Intel Corporation. All rights reserved.
+ Copyright (c) 2012 - 2015, Intel Corporation. All rights reserved.
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 @@ -24,15 +24,61 @@ CONST UINT32 mErrorCodeFlag = 0x00027d00; RESERVED_VECTORS_DATA *mReservedVectors = NULL; // -// Define the maximum message length +// Define the maximum message length // #define MAX_DEBUG_MESSAGE_LENGTH 0x100 +CONST CHAR8 mExceptionReservedStr[] = "Reserved"; +CONST CHAR8 *mExceptionNameStr[] = { + "#DE - Divide Error", + "#DB - Debug", + "NMI Interrupt", + "#BP - Breakpoint", + "#OF - Overflow", + "#BR - BOUND Range Exceeded", + "#UD - Invalid Opcode", + "#NM - Device Not Available", + "#DF - Double Fault", + "Coprocessor Segment Overrun", + "#TS - Invalid TSS", + "#NP - Segment Not Present", + "#SS - Stack Fault Fault", + "#GP - General Protection", + "#PF - Page-Fault", + "Reserved", + "#MF - x87 FPU Floating-Point Error", + "#AC - Alignment Check", + "#MC - Machine-Check", + "#XM - SIMD floating-point", + "#VE - Virtualization" +}; + +#define EXCEPTION_KNOWN_NAME_NUM (sizeof (mExceptionNameStr) / sizeof (CHAR8 *)) + +/** + Get ASCII format string exception name by exception type. + + @param ExceptionType Exception type. + + @return ASCII format string exception name. +**/ +CONST CHAR8 * +GetExceptionNameStr ( + IN EFI_EXCEPTION_TYPE ExceptionType + ) +{ + if ((UINTN) ExceptionType < EXCEPTION_KNOWN_NAME_NUM) { + return mExceptionNameStr[ExceptionType]; + } else { + return mExceptionReservedStr; + } +} + /** Prints a message to the serial port. @param Format Format string for the message to print. - @param ... Variable argument list whose contents are accessed + @param ... Variable argument list whose contents are accessed based on the format string specified by Format. **/ @@ -54,21 +100,21 @@ InternalPrintMessage ( VA_END (Marker); // - // Send the print string to a Serial Port + // Send the print string to a Serial Port // SerialPortWrite ((UINT8 *)Buffer, AsciiStrLen (Buffer)); } /** Find and display image base address and return image base and its entry point. - + @param CurrentEip Current instruction pointer. @param EntryPoint Return module entry point if module header is found. - + @return !0 Image base address. @return 0 Image header cannot be found. **/ -UINTN +UINTN FindModuleImageBase ( IN UINTN CurrentEip, OUT UINTN *EntryPoint @@ -121,7 +167,7 @@ FindModuleImageBase ( // // Not found the image base, check the previous aligned address - // + // Pe32Data -= mImageAlignSize; } @@ -141,11 +187,11 @@ FindModuleImageBase ( /** 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. diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h b/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h index efe77eb09f..b28e9c574a 100644 --- a/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h +++ b/UefiCpuPkg/Library/CpuExceptionHandlerLib/CpuExceptionCommon.h @@ -1,7 +1,7 @@ /** @file Common header file for CPU Exception Handler Library. - Copyright (c) 2012 - 2013, Intel Corporation. All rights reserved.
+ Copyright (c) 2012 - 2015, Intel Corporation. All rights reserved.
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 @@ -237,5 +237,17 @@ ReadAndVerifyVectorInfo ( IN UINTN VectorCount ); +/** + Get ASCII format string exception name by exception type. + + @param ExceptionType Exception type. + + @return ASCII format string exception name. +**/ +CONST CHAR8 * +GetExceptionNameStr ( + IN EFI_EXCEPTION_TYPE ExceptionType + ); + #endif diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ArchExceptionHandler.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/Ia32/ArchExceptionHandler.c index 40cdedface..7a183bf9a4 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 - 2013, Intel Corporation. All rights reserved.
+ Copyright (c) 2012 - 2015, Intel Corporation. All rights reserved.
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 @@ -114,10 +114,12 @@ DumpCpuContent ( UINTN EntryPoint; InternalPrintMessage ( - "!!!! IA32 Exception Type - %08x CPU Apic ID - %08x !!!!\n", + "!!!! IA32 Exception Type - %02x(%a) CPU Apic ID - %08x !!!!\n", ExceptionType, + GetExceptionNameStr (ExceptionType), GetApicId () ); + InternalPrintMessage ( "EIP - %08x, CS - %08x, EFLAGS - %08x\n", SystemContext.SystemContextIa32->Eip, diff --git a/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchExceptionHandler.c b/UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchExceptionHandler.c index ee16ea856a..f711c3107b 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 - 2013, Intel Corporation. All rights reserved.
+ Copyright (c) 2012 - 2015, Intel Corporation. All rights reserved.
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 @@ -118,10 +118,12 @@ DumpCpuContent ( UINTN EntryPoint; InternalPrintMessage ( - "!!!! X64 Exception Type - %016lx CPU Apic ID - %08x !!!!\n", + "!!!! X64 Exception Type - %02x(%a) CPU Apic ID - %08x !!!!\n", ExceptionType, + GetExceptionNameStr (ExceptionType), GetApicId () ); + InternalPrintMessage ( "RIP - %016lx, CS - %016lx, RFLAGS - %016lx\n", SystemContext.SystemContextX64->Rip, -- cgit v1.2.3