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ACPICA: Split exception code utilities to a new file, utexcep.c

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Simplifies sharing of these functions.

Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lin Ming <ming.m.lin@intel.com>
Signed-off-by: Len Brown <len.brown@intel.com>
This commit is contained in:
Bob Moore 2012-07-16 09:10:58 +08:00 committed by Len Brown
parent 5179f59ecb
commit bc7db14539
6 changed files with 157 additions and 114 deletions
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1
drivers/acpi/acpica/Makefile
View File

@ -140,6 +140,7 @@ acpi-y += \
utaddress.o \
utalloc.o \
utcopy.o \
utexcep.o \
utdebug.o \
utdecode.o \
utdelete.o \

8
drivers/acpi/acpica/acglobal.h
View File

@ -326,14 +326,6 @@ extern const char *acpi_gbl_region_types[ACPI_NUM_PREDEFINED_REGIONS];
#endif
/* Exception codes */
extern char const *acpi_gbl_exception_names_env[];
extern char const *acpi_gbl_exception_names_pgm[];
extern char const *acpi_gbl_exception_names_tbl[];
extern char const *acpi_gbl_exception_names_aml[];
extern char const *acpi_gbl_exception_names_ctrl[];
/*****************************************************************************
*
* Namespace globals

35
drivers/acpi/acpica/utdecode.c
View File

@ -49,41 +49,6 @@
#define _COMPONENT ACPI_UTILITIES
ACPI_MODULE_NAME("utdecode")
/*******************************************************************************
*
* 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
* It is here instead of utxface.c so it is always present.
*
******************************************************************************/
const char *acpi_format_exception(acpi_status status)
{
const char *exception = NULL;
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));
exception = "UNKNOWN_STATUS_CODE";
}
return (ACPI_CAST_PTR(const char, exception));
}
ACPI_EXPORT_SYMBOL(acpi_format_exception)
/*
* Properties of the ACPI Object Types, both internal and external.
* The table is indexed by values of acpi_object_type

153
drivers/acpi/acpica/utexcep.c Normal file
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@ -0,0 +1,153 @@
/*******************************************************************************
*
* 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 ACPI_DEFINE_EXCEPTION_TABLE
#include <linux/export.h>
#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 char *exception = NULL;
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));
exception = "UNKNOWN_STATUS_CODE";
}
return (ACPI_CAST_PTR(const char, exception));
}
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 char *acpi_ut_validate_exception(acpi_status status)
{
u32 sub_status;
const char *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;
}
return (ACPI_CAST_PTR(const char, exception));
}

69
drivers/acpi/acpica/utmisc.c
View File

@ -80,75 +80,6 @@ void ut_convert_backslashes(char *pathname)
}
#endif
/*******************************************************************************
*
* 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 char *acpi_ut_validate_exception(acpi_status status)
{
u32 sub_status;
const char *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;
}
return (ACPI_CAST_PTR(const char, exception));
}
/*******************************************************************************
*
* FUNCTION: acpi_ut_is_pci_root_bridge

5
include/acpi/acexcep.h
View File

@ -52,6 +52,7 @@
#define AE_CODE_ACPI_TABLES 0x2000
#define AE_CODE_AML 0x3000
#define AE_CODE_CONTROL 0x4000
#define AE_CODE_MAX 0x4000
#define AE_CODE_MASK 0xF000
#define ACPI_SUCCESS(a) (!(a))
@ -181,7 +182,7 @@
/* Exception strings for acpi_format_exception */
#ifdef DEFINE_ACPI_GLOBALS
#ifdef ACPI_DEFINE_EXCEPTION_TABLE
/*
* String versions of the exception codes above
@ -295,6 +296,6 @@ char const *acpi_gbl_exception_names_ctrl[] = {
"AE_CTRL_PARSE_PENDING"
};
#endif /* ACPI GLOBALS */
#endif /* EXCEPTION_TABLE */
#endif /* __ACEXCEP_H__ */