Home | History | Annotate | Line # | Download | only in acpihelp
      1 /******************************************************************************
      2  *
      3  * Module Name: ahmain - Main module for the acpi help utility
      4  *
      5  *****************************************************************************/
      6 
      7 /******************************************************************************
      8  *
      9  * 1. Copyright Notice
     10  *
     11  * Some or all of this work - Copyright (c) 1999 - 2025, Intel Corp.
     12  * All rights reserved.
     13  *
     14  * 2. License
     15  *
     16  * 2.1. This is your license from Intel Corp. under its intellectual property
     17  * rights. You may have additional license terms from the party that provided
     18  * you this software, covering your right to use that party's intellectual
     19  * property rights.
     20  *
     21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
     22  * copy of the source code appearing in this file ("Covered Code") an
     23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
     24  * base code distributed originally by Intel ("Original Intel Code") to copy,
     25  * make derivatives, distribute, use and display any portion of the Covered
     26  * Code in any form, with the right to sublicense such rights; and
     27  *
     28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
     29  * license (with the right to sublicense), under only those claims of Intel
     30  * patents that are infringed by the Original Intel Code, to make, use, sell,
     31  * offer to sell, and import the Covered Code and derivative works thereof
     32  * solely to the minimum extent necessary to exercise the above copyright
     33  * license, and in no event shall the patent license extend to any additions
     34  * to or modifications of the Original Intel Code. No other license or right
     35  * is granted directly or by implication, estoppel or otherwise;
     36  *
     37  * The above copyright and patent license is granted only if the following
     38  * conditions are met:
     39  *
     40  * 3. Conditions
     41  *
     42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
     43  * Redistribution of source code of any substantial portion of the Covered
     44  * Code or modification with rights to further distribute source must include
     45  * the above Copyright Notice, the above License, this list of Conditions,
     46  * and the following Disclaimer and Export Compliance provision. In addition,
     47  * Licensee must cause all Covered Code to which Licensee contributes to
     48  * contain a file documenting the changes Licensee made to create that Covered
     49  * Code and the date of any change. Licensee must include in that file the
     50  * documentation of any changes made by any predecessor Licensee. Licensee
     51  * must include a prominent statement that the modification is derived,
     52  * directly or indirectly, from Original Intel Code.
     53  *
     54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
     55  * Redistribution of source code of any substantial portion of the Covered
     56  * Code or modification without rights to further distribute source must
     57  * include the following Disclaimer and Export Compliance provision in the
     58  * documentation and/or other materials provided with distribution. In
     59  * addition, Licensee may not authorize further sublicense of source of any
     60  * portion of the Covered Code, and must include terms to the effect that the
     61  * license from Licensee to its licensee is limited to the intellectual
     62  * property embodied in the software Licensee provides to its licensee, and
     63  * not to intellectual property embodied in modifications its licensee may
     64  * make.
     65  *
     66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
     67  * substantial portion of the Covered Code or modification must reproduce the
     68  * above Copyright Notice, and the following Disclaimer and Export Compliance
     69  * provision in the documentation and/or other materials provided with the
     70  * distribution.
     71  *
     72  * 3.4. Intel retains all right, title, and interest in and to the Original
     73  * Intel Code.
     74  *
     75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
     76  * Intel shall be used in advertising or otherwise to promote the sale, use or
     77  * other dealings in products derived from or relating to the Covered Code
     78  * without prior written authorization from Intel.
     79  *
     80  * 4. Disclaimer and Export Compliance
     81  *
     82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
     83  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
     84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
     85  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
     86  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
     87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
     88  * PARTICULAR PURPOSE.
     89  *
     90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
     91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
     92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
     93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
     94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
     95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
     96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
     97  * LIMITED REMEDY.
     98  *
     99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
    100  * software or system incorporating such software without first obtaining any
    101  * required license or other approval from the U. S. Department of Commerce or
    102  * any other agency or department of the United States Government. In the
    103  * event Licensee exports any such software from the United States or
    104  * re-exports any such software from a foreign destination, Licensee shall
    105  * ensure that the distribution and export/re-export of the software is in
    106  * compliance with all laws, regulations, orders, or other restrictions of the
    107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
    108  * any of its subsidiaries will export/re-export any technical data, process,
    109  * software, or service, directly or indirectly, to any country for which the
    110  * United States government or any agency thereof requires an export license,
    111  * other governmental approval, or letter of assurance, without first obtaining
    112  * such license, approval or letter.
    113  *
    114  *****************************************************************************
    115  *
    116  * Alternatively, you may choose to be licensed under the terms of the
    117  * following license:
    118  *
    119  * Redistribution and use in source and binary forms, with or without
    120  * modification, are permitted provided that the following conditions
    121  * are met:
    122  * 1. Redistributions of source code must retain the above copyright
    123  *    notice, this list of conditions, and the following disclaimer,
    124  *    without modification.
    125  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
    126  *    substantially similar to the "NO WARRANTY" disclaimer below
    127  *    ("Disclaimer") and any redistribution must be conditioned upon
    128  *    including a substantially similar Disclaimer requirement for further
    129  *    binary redistribution.
    130  * 3. Neither the names of the above-listed copyright holders nor the names
    131  *    of any contributors may be used to endorse or promote products derived
    132  *    from this software without specific prior written permission.
    133  *
    134  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    135  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    136  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    137  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    138  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    139  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    140  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    141  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    142  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    143  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    144  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    145  *
    146  * Alternatively, you may choose to be licensed under the terms of the
    147  * GNU General Public License ("GPL") version 2 as published by the Free
    148  * Software Foundation.
    149  *
    150  *****************************************************************************/
    151 
    152 #define DEFINE_AHELP_GLOBALS
    153 #include "acpihelp.h"
    154 
    155 
    156 /* Local prototypes */
    157 
    158 static void
    159 AhDisplayUsage (
    160     void);
    161 
    162 #define AH_UTILITY_NAME             "ACPI Help Utility"
    163 #define AH_SUPPORTED_OPTIONS        "adeghikmopstuv^x"
    164 
    165 
    166 #if defined ACPI_OPTION
    167 #undef ACPI_OPTION
    168 #endif
    169 
    170 #define ACPI_OPTION(Name, Description) \
    171     AcpiOsPrintf ("  %-24s%s\n", Name, Description);
    172 
    173 
    174 /******************************************************************************
    175  *
    176  * FUNCTION:    AhDisplayUsage
    177  *
    178  * DESCRIPTION: Usage message
    179  *
    180  ******************************************************************************/
    181 
    182 static void
    183 AhDisplayUsage (
    184     void)
    185 {
    186 
    187     ACPI_USAGE_HEADER ("acpihelp <options> [Name/Prefix | HexValue]");
    188     ACPI_OPTION ("-h",                      "Display help");
    189     ACPI_OPTION ("-v",                      "Display version information");
    190     ACPI_OPTION ("-vd",                     "Display build date and time");
    191 
    192     ACPI_USAGE_TEXT ("\nAML Names and Encodings (ACPI Machine Language):\n");
    193     ACPI_OPTION ("-a [Name/Prefix | *]",    "Display both ASL operator and AML opcode name(s)");
    194     ACPI_OPTION ("-g [Name/Prefix | *]",    "Display AML grammar elements(s)");
    195     ACPI_OPTION ("-m [Name/Prefix | *]",    "Display AML opcode name(s)");
    196 
    197     ACPI_USAGE_TEXT ("\nACPI Values:\n");
    198     ACPI_OPTION ("-e [HexValue]",           "Decode ACPICA exception code");
    199     ACPI_OPTION ("-o [HexValue]",           "Decode hex AML opcode");
    200     ACPI_OPTION ("-x [HexValue]",           "Decode iASL exception code");
    201 
    202     ACPI_USAGE_TEXT ("\nASL Names and Symbols (ACPI Source Language):\n");
    203     ACPI_OPTION ("-k [Name/Prefix | *]",    "Display ASL non-operator keyword(s)");
    204     ACPI_OPTION ("-p [Name/Prefix | *]",    "Display ASL predefined method name(s)");
    205     ACPI_OPTION ("-s [Name/Prefix | *]",    "Display ASL operator name(s)");
    206 
    207     ACPI_USAGE_TEXT ("\nOther miscellaneous ACPI Names:\n");
    208     ACPI_OPTION ("-i [Name/Prefix | *]",    "Display ACPI/PNP Hardware ID(s)");
    209     ACPI_OPTION ("-d",                      "Display iASL Preprocessor directives");
    210     ACPI_OPTION ("-t",                      "Display supported ACPI tables");
    211     ACPI_OPTION ("-u",                      "Display ACPI-related UUIDs");
    212 
    213     ACPI_USAGE_TEXT ("\nName/Prefix or HexValue not specified means \"Display All\"\n");
    214     ACPI_USAGE_TEXT ("\nDefault search with valid Name/Prefix and no options:\n");
    215     ACPI_USAGE_TEXT ("    Find ASL/AML operator names - if NamePrefix does not start with underscore\n");
    216     ACPI_USAGE_TEXT ("    Find ASL predefined method names - if NamePrefix starts with underscore\n");
    217 }
    218 
    219 
    220 /******************************************************************************
    221  *
    222  * FUNCTION:    main
    223  *
    224  * DESCRIPTION: C main function for AcpiHelp utility.
    225  *
    226  ******************************************************************************/
    227 
    228 int ACPI_SYSTEM_XFACE
    229 main (
    230     int                     argc,
    231     char                    *argv[])
    232 {
    233     char                    *Name;
    234     UINT32                  DecodeType;
    235     int                     j;
    236 
    237 
    238     AcpiOsInitialize ();
    239     ACPI_DEBUG_INITIALIZE (); /* For debug version only */
    240     printf (ACPI_COMMON_SIGNON (AH_UTILITY_NAME));
    241     DecodeType = AH_DECODE_DEFAULT;
    242 
    243     if (argc < 2)
    244     {
    245         AhDisplayUsage ();
    246         return (0);
    247     }
    248 
    249     /* Command line options */
    250 
    251     while ((j = AcpiGetopt (argc, argv, AH_SUPPORTED_OPTIONS)) != ACPI_OPT_END) switch (j)
    252     {
    253     case 'a':
    254 
    255         DecodeType = AH_DECODE_ASL_AML;
    256         break;
    257 
    258     case 'd':
    259 
    260         DecodeType = AH_DISPLAY_DIRECTIVES;
    261         break;
    262 
    263     case 'e':
    264 
    265         DecodeType = AH_DECODE_EXCEPTION;
    266         break;
    267 
    268     case 'g':
    269 
    270         DecodeType = AH_DECODE_AML_TYPE;
    271         break;
    272 
    273     case 'i':
    274 
    275         DecodeType = AH_DISPLAY_DEVICE_IDS;
    276         break;
    277 
    278     case 'k':
    279 
    280         DecodeType = AH_DECODE_ASL_KEYWORD;
    281         break;
    282 
    283     case 'm':
    284 
    285         DecodeType = AH_DECODE_AML;
    286         break;
    287 
    288     case 'o':
    289 
    290         DecodeType = AH_DECODE_AML_OPCODE;
    291         break;
    292 
    293     case 'p':
    294 
    295         DecodeType = AH_DECODE_PREDEFINED_NAME;
    296         break;
    297 
    298     case 's':
    299 
    300         DecodeType = AH_DECODE_ASL;
    301         break;
    302 
    303     case 't':
    304 
    305         DecodeType = AH_DISPLAY_TABLES;
    306         break;
    307 
    308     case 'u':
    309 
    310         DecodeType = AH_DISPLAY_UUIDS;
    311         break;
    312 
    313     case 'x':
    314 
    315         DecodeType = AH_DECODE_ASL_EXCEPTION;
    316         break;
    317 
    318     case 'v': /* -v: (Version): signon already emitted, just exit */
    319 
    320         switch (AcpiGbl_Optarg[0])
    321         {
    322         case '^':  /* -v: (Version) */
    323 
    324             return (1);
    325 
    326         case 'd':
    327 
    328             printf (ACPI_COMMON_BUILD_TIME);
    329             return (1);
    330 
    331         default:
    332 
    333             printf ("Unknown option: -v%s\n", AcpiGbl_Optarg);
    334             return (-1);
    335         }
    336         break;
    337 
    338     case 'h':
    339     default:
    340 
    341         AhDisplayUsage ();
    342         return (-1);
    343     }
    344 
    345     /* Missing (null) name means "display all" */
    346 
    347     Name = argv[AcpiGbl_Optind];
    348 
    349     switch (DecodeType)
    350     {
    351     case AH_DECODE_ASL_AML:
    352 
    353         AhFindAslAndAmlOperators (Name);
    354         break;
    355 
    356     case AH_DECODE_AML:
    357 
    358         AhFindAmlOpcode (Name);
    359         break;
    360 
    361     case AH_DECODE_AML_OPCODE:
    362 
    363         AhDecodeAmlOpcode (Name);
    364         break;
    365 
    366     case AH_DECODE_AML_TYPE:
    367 
    368         AhFindAmlTypes (Name);
    369         break;
    370 
    371     case AH_DECODE_PREDEFINED_NAME:
    372 
    373         AhFindPredefinedNames (Name);
    374         break;
    375 
    376     case AH_DECODE_ASL:
    377 
    378         AhFindAslOperators (Name);
    379         break;
    380 
    381     case AH_DECODE_ASL_KEYWORD:
    382 
    383         AhFindAslKeywords (Name);
    384         break;
    385 
    386     case AH_DISPLAY_DEVICE_IDS:
    387 
    388         AhDisplayDeviceIds (Name);
    389         break;
    390 
    391     case AH_DECODE_EXCEPTION:
    392 
    393         AhDecodeException (Name);
    394         break;
    395 
    396     case AH_DISPLAY_UUIDS:
    397 
    398         AhDisplayUuids ();
    399         break;
    400 
    401     case AH_DISPLAY_TABLES:
    402 
    403         AhDisplayTables ();
    404         break;
    405 
    406     case AH_DISPLAY_DIRECTIVES:
    407 
    408         AhDisplayDirectives ();
    409         break;
    410 
    411     case AH_DECODE_ASL_EXCEPTION:
    412 
    413         AhDecodeAslException (Name);
    414         break;
    415 
    416    default:
    417 
    418         if (!Name)
    419         {
    420             AhFindAslOperators (Name);
    421             break;
    422         }
    423 
    424         if (*Name == '_')
    425         {
    426             AhFindPredefinedNames (Name);
    427         }
    428         else
    429         {
    430             AhFindAslAndAmlOperators (Name);
    431         }
    432         break;
    433     }
    434 
    435     return (0);
    436 }
    437