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 <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17877 6f19259b-4bc3-4df7-8a09-765794883524

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.<BR>
+  Copyright (c) 2012 - 2015, 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
@@ -28,6 +28,52 @@ RESERVED_VECTORS_DATA *mReservedVectors = NULL;
 //
 #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.
 

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.<BR>
+  Copyright (c) 2012 - 2015, 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
@@ -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
 

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.<BR>
+  Copyright (c) 2012 - 2015, 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
@@ -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,

UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchExceptionHandler.c

@@ -1,7 +1,7 @@
 /** @file
   x64 CPU Exception Handler.
 
-  Copyright (c) 2012 - 2013, Intel Corporation. All rights reserved.<BR>
+  Copyright (c) 2012 - 2015, 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
@@ -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,