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/*******************************************************************************
*
* Module Name: utexcep - Exception code support
*
******************************************************************************/
/*
* Copyright (C) 2000 - 2012, Intel Corp.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions, and the following disclaimer,
* without modification.
* 2. Redistributions in binary form must reproduce at minimum a disclaimer
* substantially similar to the "NO WARRANTY" disclaimer below
* ("Disclaimer") and any redistribution must be conditioned upon
* including a substantially similar Disclaimer requirement for further
* binary redistribution.
* 3. Neither the names of the above-listed copyright holders nor the names
* of any contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* Alternatively, this software may be distributed under the terms of the
* GNU General Public License ("GPL") version 2 as published by the Free
* Software Foundation.
*
* NO WARRANTY
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*/
#define __UTEXCEP_C__
#define ACPI_DEFINE_EXCEPTION_TABLE
#include "acpi.h"
#include "accommon.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME ("utexcep")
/*******************************************************************************
*
* FUNCTION: AcpiFormatException
*
* PARAMETERS: Status - The ACPI_STATUS code to be formatted
*
* RETURN: A string containing the exception text. A valid pointer is
* always returned.
*
* DESCRIPTION: This function translates an ACPI exception into an ASCII
* string. Returns "unknown status" string for invalid codes.
*
******************************************************************************/
const char *
AcpiFormatException (
ACPI_STATUS Status)
{
const char *Exception = NULL;
ACPI_FUNCTION_ENTRY ();
Exception = AcpiUtValidateException (Status);
if (!Exception)
{
/* Exception code was not recognized */
ACPI_ERROR ((AE_INFO,
"Unknown exception code: 0x%8.8X", Status));
Exception = "UNKNOWN_STATUS_CODE";
}
return (ACPI_CAST_PTR (const char, Exception));
}
ACPI_EXPORT_SYMBOL (AcpiFormatException)
/*******************************************************************************
*
* FUNCTION: AcpiUtValidateException
*
* PARAMETERS: Status - The ACPI_STATUS code to be formatted
*
* RETURN: A string containing the exception text. NULL if exception is
* not valid.
*
* DESCRIPTION: This function validates and translates an ACPI exception into
* an ASCII string.
*
******************************************************************************/
const char *
AcpiUtValidateException (
ACPI_STATUS Status)
{
UINT32 SubStatus;
const char *Exception = NULL;
ACPI_FUNCTION_ENTRY ();
/*
* Status is composed of two parts, a "type" and an actual code
*/
SubStatus = (Status & ~AE_CODE_MASK);
switch (Status & AE_CODE_MASK)
{
case AE_CODE_ENVIRONMENTAL:
if (SubStatus <= AE_CODE_ENV_MAX)
{
Exception = AcpiGbl_ExceptionNames_Env [SubStatus];
}
break;
case AE_CODE_PROGRAMMER:
if (SubStatus <= AE_CODE_PGM_MAX)
{
Exception = AcpiGbl_ExceptionNames_Pgm [SubStatus];
}
break;
case AE_CODE_ACPI_TABLES:
if (SubStatus <= AE_CODE_TBL_MAX)
{
Exception = AcpiGbl_ExceptionNames_Tbl [SubStatus];
}
break;
case AE_CODE_AML:
if (SubStatus <= AE_CODE_AML_MAX)
{
Exception = AcpiGbl_ExceptionNames_Aml [SubStatus];
}
break;
case AE_CODE_CONTROL:
if (SubStatus <= AE_CODE_CTRL_MAX)
{
Exception = AcpiGbl_ExceptionNames_Ctrl [SubStatus];
}
break;
default:
break;
}
return (ACPI_CAST_PTR (const char, Exception));
}
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