// SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0
/*******************************************************************************
*
* Module Name : utexcep - Exception code support
*
******************************************************************************/
#define EXPORT_ACPI_INTERFACES
#define ACPI_DEFINE_EXCEPTION_TABLE
#include <acpi/acpi.h>
#include "accommon.h"
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utexcep" )
/*******************************************************************************
*
* FUNCTION : acpi_format_exception
*
* 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 *acpi_format_exception(acpi_status status)
{
const struct acpi_exception_info *exception;
ACPI_FUNCTION_ENTRY();
exception = acpi_ut_validate_exception(status);
if (!exception) {
/* Exception code was not recognized */
ACPI_ERROR((AE_INFO,
"Unknown exception code: 0x%8.8X" , status));
return ("UNKNOWN_STATUS_CODE" );
}
return (exception->name);
}
ACPI_EXPORT_SYMBOL(acpi_format_exception)
/*******************************************************************************
*
* FUNCTION : acpi_ut_validate_exception
*
* 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 struct acpi_exception_info *acpi_ut_validate_exception(acpi_status status)
{
u32 sub_status;
const struct acpi_exception_info *exception = NULL;
ACPI_FUNCTION_ENTRY();
/*
* Status is composed of two parts , a " type " and an actual code
*/
sub_status = (status & ~AE_CODE_MASK);
switch (status & AE_CODE_MASK) {
case AE_CODE_ENVIRONMENTAL:
if (sub_status <= AE_CODE_ENV_MAX) {
exception = &acpi_gbl_exception_names_env[sub_status];
}
break ;
case AE_CODE_PROGRAMMER:
if (sub_status <= AE_CODE_PGM_MAX) {
exception = &acpi_gbl_exception_names_pgm[sub_status];
}
break ;
case AE_CODE_ACPI_TABLES:
if (sub_status <= AE_CODE_TBL_MAX) {
exception = &acpi_gbl_exception_names_tbl[sub_status];
}
break ;
case AE_CODE_AML:
if (sub_status <= AE_CODE_AML_MAX) {
exception = &acpi_gbl_exception_names_aml[sub_status];
}
break ;
case AE_CODE_CONTROL:
if (sub_status <= AE_CODE_CTRL_MAX) {
exception = &acpi_gbl_exception_names_ctrl[sub_status];
}
break ;
default :
break ;
}
if (!exception || !exception->name) {
return (NULL);
}
return (exception);
}
Messung V0.5 in Prozent C=96 H=100 G=97
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-09-27)
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