kernel/tools/power/acpi/tools/acpidump/apmain.c

   1 /******************************************************************************
   2  *
   3  * Module Name: apmain - Main module for the acpidump utility
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2015, Intel Corp.
   9  * All rights reserved.
  10  *
  11  * Redistribution and use in source and binary forms, with or without
  12  * modification, are permitted provided that the following conditions
  13  * are met:
  14  * 1. Redistributions of source code must retain the above copyright
  15  *    notice, this list of conditions, and the following disclaimer,
  16  *    without modification.
  17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  18  *    substantially similar to the "NO WARRANTY" disclaimer below
  19  *    ("Disclaimer") and any redistribution must be conditioned upon
  20  *    including a substantially similar Disclaimer requirement for further
  21  *    binary redistribution.
  22  * 3. Neither the names of the above-listed copyright holders nor the names
  23  *    of any contributors may be used to endorse or promote products derived
  24  *    from this software without specific prior written permission.
  25  *
  26  * Alternatively, this software may be distributed under the terms of the
  27  * GNU General Public License ("GPL") version 2 as published by the Free
  28  * Software Foundation.
  29  *
  30  * NO WARRANTY
  31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  41  * POSSIBILITY OF SUCH DAMAGES.
  42  */
  43
  44 #define _DECLARE_GLOBALS
  45 #include "acpidump.h"
  46 #include "acapps.h"
  47
  48 /*
  49  * acpidump - A portable utility for obtaining system ACPI tables and dumping
  50  * them in an ASCII hex format suitable for binary extraction via acpixtract.
  51  *
  52  * Obtaining the system ACPI tables is an OS-specific operation.
  53  *
  54  * This utility can be ported to any host operating system by providing a
  55  * module containing system-specific versions of these interfaces:
  56  *
  57  *      acpi_os_get_table_by_address
  58  *      acpi_os_get_table_by_index
  59  *      acpi_os_get_table_by_name
  60  *
  61  * See the ACPICA Reference Guide for the exact definitions of these
  62  * interfaces. Also, see these ACPICA source code modules for example
  63  * implementations:
  64  *
  65  *      source/os_specific/service_layers/oswintbl.c
  66  *      source/os_specific/service_layers/oslinuxtbl.c
  67  */
  68
  69 /* Local prototypes */
  70
  71 static void ap_display_usage(void);
  72
  73 static int ap_do_options(int argc, char **argv);
  74
  75 static int ap_insert_action(char *argument, u32 to_be_done);
  76
  77 /* Table for deferred actions from command line options */
  78
  79 struct ap_dump_action action_table[AP_MAX_ACTIONS];
  80 u32 current_action = 0;
  81
  82 #define AP_UTILITY_NAME             "ACPI Binary Table Dump Utility"
  83 #define AP_SUPPORTED_OPTIONS        "?a:bc:f:hn:o:r:svxz"
  84
  85 /******************************************************************************
  86  *
  87  * FUNCTION:    ap_display_usage
  88  *
  89  * DESCRIPTION: Usage message for the acpi_dump utility
  90  *
  91  ******************************************************************************/
  92
  93 static void ap_display_usage(void)
  94 {
  95
  96         ACPI_USAGE_HEADER("acpidump [options]");
  97
  98         ACPI_OPTION("-b", "Dump tables to binary files");
  99         ACPI_OPTION("-h -?", "This help message");
 100         ACPI_OPTION("-o <File>", "Redirect output to file");
 101         ACPI_OPTION("-r <Address>", "Dump tables from specified RSDP");
 102         ACPI_OPTION("-s", "Print table summaries only");
 103         ACPI_OPTION("-v", "Display version information");
 104         ACPI_OPTION("-z", "Verbose mode");
 105
 106         ACPI_USAGE_TEXT("\nTable Options:\n");
 107
 108         ACPI_OPTION("-a <Address>", "Get table via a physical address");
 109         ACPI_OPTION("-c <on|off>", "Turning on/off customized table dumping");
 110         ACPI_OPTION("-f <BinaryFile>", "Get table via a binary file");
 111         ACPI_OPTION("-n <Signature>", "Get table via a name/signature");
 112         ACPI_OPTION("-x", "Do not use but dump XSDT");
 113         ACPI_OPTION("-x -x", "Do not use or dump XSDT");
 114
 115         ACPI_USAGE_TEXT("\n"
 116                         "Invocation without parameters dumps all available tables\n"
 117                         "Multiple mixed instances of -a, -f, and -n are supported\n\n");
 118 }
 119
 120 /******************************************************************************
 121  *
 122  * FUNCTION:    ap_insert_action
 123  *
 124  * PARAMETERS:  argument            - Pointer to the argument for this action
 125  *              to_be_done          - What to do to process this action
 126  *
 127  * RETURN:      Status
 128  *
 129  * DESCRIPTION: Add an action item to the action table
 130  *
 131  ******************************************************************************/
 132
 133 static int ap_insert_action(char *argument, u32 to_be_done)
 134 {
 135
 136         /* Insert action and check for table overflow */
 137
 138         action_table[current_action].argument = argument;
 139         action_table[current_action].to_be_done = to_be_done;
 140
 141         current_action++;
 142         if (current_action > AP_MAX_ACTIONS) {
 143                 acpi_log_error("Too many table options (max %u)\n",
 144                                AP_MAX_ACTIONS);
 145                 return (-1);
 146         }
 147
 148         return (0);
 149 }
 150
 151 /******************************************************************************
 152  *
 153  * FUNCTION:    ap_do_options
 154  *
 155  * PARAMETERS:  argc/argv           - Standard argc/argv
 156  *
 157  * RETURN:      Status
 158  *
 159  * DESCRIPTION: Command line option processing. The main actions for getting
 160  *              and dumping tables are deferred via the action table.
 161  *
 162  *****************************************************************************/
 163
 164 static int ap_do_options(int argc, char **argv)
 165 {
 166         int j;
 167         acpi_status status;
 168
 169         /* Command line options */
 170
 171         while ((j =
 172                 acpi_getopt(argc, argv, AP_SUPPORTED_OPTIONS)) != ACPI_OPT_END)
 173                 switch (j) {
 174                         /*
 175                          * Global options
 176                          */
 177                 case 'b':       /* Dump all input tables to binary files */
 178
 179                         gbl_binary_mode = TRUE;
 180                         continue;
 181
 182                 case 'c':       /* Dump customized tables */
 183
 184                         if (!strcmp(acpi_gbl_optarg, "on")) {
 185                                 gbl_dump_customized_tables = TRUE;
 186                         } else if (!strcmp(acpi_gbl_optarg, "off")) {
 187                                 gbl_dump_customized_tables = FALSE;
 188                         } else {
 189                                 acpi_log_error
 190                                     ("%s: Cannot handle this switch, please use on|off\n",
 191                                      acpi_gbl_optarg);
 192                                 return (-1);
 193                         }
 194                         continue;
 195
 196                 case 'h':
 197                 case '?':
 198
 199                         ap_display_usage();
 200                         return (1);
 201
 202                 case 'o':       /* Redirect output to a single file */
 203
 204                         if (ap_open_output_file(acpi_gbl_optarg)) {
 205                                 return (-1);
 206                         }
 207                         continue;
 208
 209                 case 'r':       /* Dump tables from specified RSDP */
 210
 211                         status =
 212                             acpi_ut_strtoul64(acpi_gbl_optarg, 0,
 213                                               &gbl_rsdp_base);
 214                         if (ACPI_FAILURE(status)) {
 215                                 acpi_log_error
 216                                     ("%s: Could not convert to a physical address\n",
 217                                      acpi_gbl_optarg);
 218                                 return (-1);
 219                         }
 220                         continue;
 221
 222                 case 's':       /* Print table summaries only */
 223
 224                         gbl_summary_mode = TRUE;
 225                         continue;
 226
 227                 case 'x':       /* Do not use XSDT */
 228
 229                         if (!acpi_gbl_do_not_use_xsdt) {
 230                                 acpi_gbl_do_not_use_xsdt = TRUE;
 231                         } else {
 232                                 gbl_do_not_dump_xsdt = TRUE;
 233                         }
 234                         continue;
 235
 236                 case 'v':       /* Revision/version */
 237
 238                         acpi_os_printf(ACPI_COMMON_SIGNON(AP_UTILITY_NAME));
 239                         return (1);
 240
 241                 case 'z':       /* Verbose mode */
 242
 243                         gbl_verbose_mode = TRUE;
 244                         acpi_log_error(ACPI_COMMON_SIGNON(AP_UTILITY_NAME));
 245                         continue;
 246
 247                         /*
 248                          * Table options
 249                          */
 250                 case 'a':       /* Get table by physical address */
 251
 252                         if (ap_insert_action
 253                             (acpi_gbl_optarg, AP_DUMP_TABLE_BY_ADDRESS)) {
 254                                 return (-1);
 255                         }
 256                         break;
 257
 258                 case 'f':       /* Get table from a file */
 259
 260                         if (ap_insert_action
 261                             (acpi_gbl_optarg, AP_DUMP_TABLE_BY_FILE)) {
 262                                 return (-1);
 263                         }
 264                         break;
 265
 266                 case 'n':       /* Get table by input name (signature) */
 267
 268                         if (ap_insert_action
 269                             (acpi_gbl_optarg, AP_DUMP_TABLE_BY_NAME)) {
 270                                 return (-1);
 271                         }
 272                         break;
 273
 274                 default:
 275
 276                         ap_display_usage();
 277                         return (-1);
 278                 }
 279
 280         /* If there are no actions, this means "get/dump all tables" */
 281
 282         if (current_action == 0) {
 283                 if (ap_insert_action(NULL, AP_DUMP_ALL_TABLES)) {
 284                         return (-1);
 285                 }
 286         }
 287
 288         return (0);
 289 }
 290
 291 /******************************************************************************
 292  *
 293  * FUNCTION:    main
 294  *
 295  * PARAMETERS:  argc/argv           - Standard argc/argv
 296  *
 297  * RETURN:      Status
 298  *
 299  * DESCRIPTION: C main function for acpidump utility
 300  *
 301  ******************************************************************************/
 302
 303 #ifndef _GNU_EFI
 304 int ACPI_SYSTEM_XFACE main(int argc, char *argv[])
 305 #else
 306 int ACPI_SYSTEM_XFACE acpi_main(int argc, char *argv[])
 307 #endif
 308 {
 309         int status = 0;
 310         struct ap_dump_action *action;
 311         u32 file_size;
 312         u32 i;
 313
 314         ACPI_DEBUG_INITIALIZE();        /* For debug version only */
 315         acpi_os_initialize();
 316         gbl_output_file = ACPI_FILE_OUT;
 317
 318         /* Process command line options */
 319
 320         status = ap_do_options(argc, argv);
 321         if (status > 0) {
 322                 return (0);
 323         }
 324         if (status < 0) {
 325                 return (status);
 326         }
 327
 328         /* Get/dump ACPI table(s) as requested */
 329
 330         for (i = 0; i < current_action; i++) {
 331                 action = &action_table[i];
 332                 switch (action->to_be_done) {
 333                 case AP_DUMP_ALL_TABLES:
 334
 335                         status = ap_dump_all_tables();
 336                         break;
 337
 338                 case AP_DUMP_TABLE_BY_ADDRESS:
 339
 340                         status = ap_dump_table_by_address(action->argument);
 341                         break;
 342
 343                 case AP_DUMP_TABLE_BY_NAME:
 344
 345                         status = ap_dump_table_by_name(action->argument);
 346                         break;
 347
 348                 case AP_DUMP_TABLE_BY_FILE:
 349
 350                         status = ap_dump_table_from_file(action->argument);
 351                         break;
 352
 353                 default:
 354
 355                         acpi_log_error("Internal error, invalid action: 0x%X\n",
 356                                        action->to_be_done);
 357                         return (-1);
 358                 }
 359
 360                 if (status) {
 361                         return (status);
 362                 }
 363         }
 364
 365         if (gbl_output_filename) {
 366                 if (gbl_verbose_mode) {
 367
 368                         /* Summary for the output file */
 369
 370                         file_size = cm_get_file_size(gbl_output_file);
 371                         acpi_log_error
 372                             ("Output file %s contains 0x%X (%u) bytes\n\n",
 373                              gbl_output_filename, file_size, file_size);
 374                 }
 375
 376                 acpi_os_close_file(gbl_output_file);
 377         }
 378
 379         return (status);
 380 }