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ArmPkg: Fix Ecc error 5007 in DefaultExceptionHandlerLib 

This patch fixes the following Ecc reported error:
There should be no initialization of a variable as
part of its declaration

Fixing this error implies extracting the CpsrChar
array from CpsrString and making it a static variable.

Signed-off-by: Pierre Gondois <Pierre.Gondois@arm.com>
Reviewed-by: Ard Biesheuvel <ard.biesheuvel@arm.com>
This commit is contained in:
Pierre Gondois 2020-12-15 17:16:02 +00:00 committed by mergify[bot]
parent 0931171f54
commit 7785b38ac9
1 changed files with 22 additions and 19 deletions
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41
ArmPkg/Library/DefaultExceptionHandlerLib/Arm/DefaultExceptionHandler.c
View File

@ -2,7 +2,7 @@
Default exception handler
Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>
Copyright (c) 2012, ARM Ltd. All rights reserved.<BR>
Copyright (c) 2012 - 2021, Arm Ltd. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
@ -34,6 +34,20 @@ typedef struct {
CHAR8 Char;
} CPSR_CHAR;
STATIC CONST CPSR_CHAR mCpsrChar[] = {
{ 31, 'n' },
{ 30, 'z' },
{ 29, 'c' },
{ 28, 'v' },
{ 9, 'e' },
{ 8, 'a' },
{ 7, 'i' },
{ 6, 'f' },
{ 5, 't' },
{ 0, '?' }
};
CHAR8 *
GetImageName (
IN UINTN FaultAddress,
@ -45,7 +59,7 @@ GetImageName (
Convert the Current Program Status Register (CPSR) to a string. The string is
a defacto standard in the ARM world.
It is possible to add extra bits by adding them to CpsrChar array.
It is possible to add extra bits by adding them to mCpsrChar array.
@param Cpsr ARM CPSR register value
@param ReturnStr CPSR_STRING_SIZE byte string that contains string
@ -61,25 +75,12 @@ CpsrString (
UINTN Index;
CHAR8* Str;
CHAR8* ModeStr;
CPSR_CHAR CpsrChar[] = {
{ 31, 'n' },
{ 30, 'z' },
{ 29, 'c' },
{ 28, 'v' },
{ 9, 'e' },
{ 8, 'a' },
{ 7, 'i' },
{ 6, 'f' },
{ 5, 't' },
{ 0, '?' }
};
Str = ReturnStr;
for (Index = 0; CpsrChar[Index].BIT != 0; Index++, Str++) {
*Str = CpsrChar[Index].Char;
if ((Cpsr & (1 << CpsrChar[Index].BIT)) != 0) {
for (Index = 0; mCpsrChar[Index].BIT != 0; Index++, Str++) {
*Str = mCpsrChar[Index].Char;
if ((Cpsr & (1 << mCpsrChar[Index].BIT)) != 0) {
// Concert to upper case if bit is set
*Str &= ~0x20;
}
@ -186,7 +187,9 @@ DefaultExceptionHandler (
UINT32 DfsrStatus;
UINT32 IfsrStatus;
BOOLEAN DfsrWrite;
UINT32 PcAdjust = 0;
UINT32 PcAdjust;
PcAdjust = 0;
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"\n%a Exception PC at 0x%08x CPSR 0x%08x ",
gExceptionTypeString[ExceptionType], SystemContext.SystemContextArm->PC, SystemContext.SystemContextArm->CPSR);