drivers/acpi/utilities/utmisc.c

   1 /*******************************************************************************
   2  *
   3  * Module Name: utmisc - common utility procedures
   4  *
   5  ******************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2005, R. Byron Moore
   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
  45 #include <acpi/acpi.h>
  46 #include <acpi/acnamesp.h>
  47
  48
  49 #define _COMPONENT          ACPI_UTILITIES
  50          ACPI_MODULE_NAME    ("utmisc")
  51
  52
  53 /*******************************************************************************
  54  *
  55  * FUNCTION:    acpi_ut_strupr (strupr)
  56  *
  57  * PARAMETERS:  src_string      - The source string to convert
  58  *
  59  * RETURN:      Converted src_string (same as input pointer)
  60  *
  61  * DESCRIPTION: Convert string to uppercase
  62  *
  63  * NOTE: This is not a POSIX function, so it appears here, not in utclib.c
  64  *
  65  ******************************************************************************/
  66
  67 char *
  68 acpi_ut_strupr (
  69         char                            *src_string)
  70 {
  71         char                            *string;
  72
  73
  74         ACPI_FUNCTION_ENTRY ();
  75
  76
  77         if (!src_string) {
  78                 return (NULL);
  79         }
  80
  81         /* Walk entire string, uppercasing the letters */
  82
  83         for (string = src_string; *string; string++) {
  84                 *string = (char) ACPI_TOUPPER (*string);
  85         }
  86
  87         return (src_string);
  88 }
  89
  90
  91 /*******************************************************************************
  92  *
  93  * FUNCTION:    acpi_ut_print_string
  94  *
  95  * PARAMETERS:  String          - Null terminated ASCII string
  96  *              max_length      - Maximum output length
  97  *
  98  * RETURN:      None
  99  *
 100  * DESCRIPTION: Dump an ASCII string with support for ACPI-defined escape
 101  *              sequences.
 102  *
 103  ******************************************************************************/
 104
 105 void
 106 acpi_ut_print_string (
 107         char                            *string,
 108         u8                              max_length)
 109 {
 110         u32                             i;
 111
 112
 113         if (!string) {
 114                 acpi_os_printf ("<\"NULL STRING PTR\">");
 115                 return;
 116         }
 117
 118         acpi_os_printf ("\"");
 119         for (i = 0; string[i] && (i < max_length); i++) {
 120                 /* Escape sequences */
 121
 122                 switch (string[i]) {
 123                 case 0x07:
 124                         acpi_os_printf ("\\a");      /* BELL */
 125                         break;
 126
 127                 case 0x08:
 128                         acpi_os_printf ("\\b");     /* BACKSPACE */
 129                         break;
 130
 131                 case 0x0C:
 132                         acpi_os_printf ("\\f");     /* FORMFEED */
 133                         break;
 134
 135                 case 0x0A:
 136                         acpi_os_printf ("\\n");     /* LINEFEED */
 137                         break;
 138
 139                 case 0x0D:
 140                         acpi_os_printf ("\\r");     /* CARRIAGE RETURN*/
 141                         break;
 142
 143                 case 0x09:
 144                         acpi_os_printf ("\\t");     /* HORIZONTAL TAB */
 145                         break;
 146
 147                 case 0x0B:
 148                         acpi_os_printf ("\\v");     /* VERTICAL TAB */
 149                         break;
 150
 151                 case '\'':                      /* Single Quote */
 152                 case '\"':                      /* Double Quote */
 153                 case '\\':                      /* Backslash */
 154                         acpi_os_printf ("\\%c", (int) string[i]);
 155                         break;
 156
 157                 default:
 158
 159                         /* Check for printable character or hex escape */
 160
 161                         if (ACPI_IS_PRINT (string[i]))
 162                         {
 163                                 /* This is a normal character */
 164
 165                                 acpi_os_printf ("%c", (int) string[i]);
 166                         }
 167                         else
 168                         {
 169                                 /* All others will be Hex escapes */
 170
 171                                 acpi_os_printf ("\\x%2.2X", (s32) string[i]);
 172                         }
 173                         break;
 174                 }
 175         }
 176         acpi_os_printf ("\"");
 177
 178         if (i == max_length && string[i]) {
 179                 acpi_os_printf ("...");
 180         }
 181 }
 182
 183
 184 /*******************************************************************************
 185  *
 186  * FUNCTION:    acpi_ut_dword_byte_swap
 187  *
 188  * PARAMETERS:  Value           - Value to be converted
 189  *
 190  * RETURN:      u32 integer with bytes swapped
 191  *
 192  * DESCRIPTION: Convert a 32-bit value to big-endian (swap the bytes)
 193  *
 194  ******************************************************************************/
 195
 196 u32
 197 acpi_ut_dword_byte_swap (
 198         u32                             value)
 199 {
 200         union {
 201                 u32                         value;
 202                 u8                          bytes[4];
 203         } out;
 204         union {
 205                 u32                         value;
 206                 u8                          bytes[4];
 207         } in;
 208
 209
 210         ACPI_FUNCTION_ENTRY ();
 211
 212
 213         in.value = value;
 214
 215         out.bytes[0] = in.bytes[3];
 216         out.bytes[1] = in.bytes[2];
 217         out.bytes[2] = in.bytes[1];
 218         out.bytes[3] = in.bytes[0];
 219
 220         return (out.value);
 221 }
 222
 223
 224 /*******************************************************************************
 225  *
 226  * FUNCTION:    acpi_ut_set_integer_width
 227  *
 228  * PARAMETERS:  Revision            From DSDT header
 229  *
 230  * RETURN:      None
 231  *
 232  * DESCRIPTION: Set the global integer bit width based upon the revision
 233  *              of the DSDT.  For Revision 1 and 0, Integers are 32 bits.
 234  *              For Revision 2 and above, Integers are 64 bits.  Yes, this
 235  *              makes a difference.
 236  *
 237  ******************************************************************************/
 238
 239 void
 240 acpi_ut_set_integer_width (
 241         u8                              revision)
 242 {
 243
 244         if (revision <= 1) {
 245                 acpi_gbl_integer_bit_width = 32;
 246                 acpi_gbl_integer_nybble_width = 8;
 247                 acpi_gbl_integer_byte_width = 4;
 248         }
 249         else {
 250                 acpi_gbl_integer_bit_width = 64;
 251                 acpi_gbl_integer_nybble_width = 16;
 252                 acpi_gbl_integer_byte_width = 8;
 253         }
 254 }
 255
 256
 257 #ifdef ACPI_DEBUG_OUTPUT
 258 /*******************************************************************************
 259  *
 260  * FUNCTION:    acpi_ut_display_init_pathname
 261  *
 262  * PARAMETERS:  Type                - Object type of the node
 263  *              obj_handle          - Handle whose pathname will be displayed
 264  *              Path                - Additional path string to be appended.
 265  *                                      (NULL if no extra path)
 266  *
 267  * RETURN:      acpi_status
 268  *
 269  * DESCRIPTION: Display full pathname of an object, DEBUG ONLY
 270  *
 271  ******************************************************************************/
 272
 273 void
 274 acpi_ut_display_init_pathname (
 275         u8                              type,
 276         struct acpi_namespace_node      *obj_handle,
 277         char                            *path)
 278 {
 279         acpi_status                     status;
 280         struct acpi_buffer              buffer;
 281
 282
 283         ACPI_FUNCTION_ENTRY ();
 284
 285
 286         /* Only print the path if the appropriate debug level is enabled */
 287
 288         if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) {
 289                 return;
 290         }
 291
 292         /* Get the full pathname to the node */
 293
 294         buffer.length = ACPI_ALLOCATE_LOCAL_BUFFER;
 295         status = acpi_ns_handle_to_pathname (obj_handle, &buffer);
 296         if (ACPI_FAILURE (status)) {
 297                 return;
 298         }
 299
 300         /* Print what we're doing */
 301
 302         switch (type) {
 303         case ACPI_TYPE_METHOD:
 304                 acpi_os_printf ("Executing  ");
 305                 break;
 306
 307         default:
 308                 acpi_os_printf ("Initializing ");
 309                 break;
 310         }
 311
 312         /* Print the object type and pathname */
 313
 314         acpi_os_printf ("%-12s %s",
 315                 acpi_ut_get_type_name (type), (char *) buffer.pointer);
 316
 317         /* Extra path is used to append names like _STA, _INI, etc. */
 318
 319         if (path) {
 320                 acpi_os_printf (".%s", path);
 321         }
 322         acpi_os_printf ("\n");
 323
 324         ACPI_MEM_FREE (buffer.pointer);
 325 }
 326 #endif
 327
 328
 329 /*******************************************************************************
 330  *
 331  * FUNCTION:    acpi_ut_valid_acpi_name
 332  *
 333  * PARAMETERS:  Name            - The name to be examined
 334  *
 335  * RETURN:      TRUE if the name is valid, FALSE otherwise
 336  *
 337  * DESCRIPTION: Check for a valid ACPI name.  Each character must be one of:
 338  *              1) Upper case alpha
 339  *              2) numeric
 340  *              3) underscore
 341  *
 342  ******************************************************************************/
 343
 344 u8
 345 acpi_ut_valid_acpi_name (
 346         u32                             name)
 347 {
 348         char                            *name_ptr = (char *) &name;
 349         char                            character;
 350         acpi_native_uint                i;
 351
 352
 353         ACPI_FUNCTION_ENTRY ();
 354
 355
 356         for (i = 0; i < ACPI_NAME_SIZE; i++) {
 357                 character = *name_ptr;
 358                 name_ptr++;
 359
 360                 if (!((character == '_') ||
 361                           (character >= 'A' && character <= 'Z') ||
 362                           (character >= '0' && character <= '9'))) {
 363                         return (FALSE);
 364                 }
 365         }
 366
 367         return (TRUE);
 368 }
 369
 370
 371 /*******************************************************************************
 372  *
 373  * FUNCTION:    acpi_ut_valid_acpi_character
 374  *
 375  * PARAMETERS:  Character           - The character to be examined
 376  *
 377  * RETURN:      1 if Character may appear in a name, else 0
 378  *
 379  * DESCRIPTION: Check for a printable character
 380  *
 381  ******************************************************************************/
 382
 383 u8
 384 acpi_ut_valid_acpi_character (
 385         char                            character)
 386 {
 387
 388         ACPI_FUNCTION_ENTRY ();
 389
 390         return ((u8)   ((character == '_') ||
 391                            (character >= 'A' && character <= 'Z') ||
 392                            (character >= '0' && character <= '9')));
 393 }
 394
 395
 396 /*******************************************************************************
 397  *
 398  * FUNCTION:    acpi_ut_strtoul64
 399  *
 400  * PARAMETERS:  String          - Null terminated string
 401  *              Base            - Radix of the string: 10, 16, or ACPI_ANY_BASE
 402  *              ret_integer     - Where the converted integer is returned
 403  *
 404  * RETURN:      Status and Converted value
 405  *
 406  * DESCRIPTION: Convert a string into an unsigned value.
 407  *              NOTE: Does not support Octal strings, not needed.
 408  *
 409  ******************************************************************************/
 410
 411 acpi_status
 412 acpi_ut_strtoul64 (
 413         char                            *string,
 414         u32                             base,
 415         acpi_integer                    *ret_integer)
 416 {
 417         u32                             this_digit = 0;
 418         acpi_integer                    return_value = 0;
 419         acpi_integer                    quotient;
 420
 421
 422         ACPI_FUNCTION_TRACE ("ut_stroul64");
 423
 424
 425         if ((!string) || !(*string)) {
 426                 goto error_exit;
 427         }
 428
 429         switch (base) {
 430         case ACPI_ANY_BASE:
 431         case 10:
 432         case 16:
 433                 break;
 434
 435         default:
 436                 /* Invalid Base */
 437                 return_ACPI_STATUS (AE_BAD_PARAMETER);
 438         }
 439
 440         /* Skip over any white space in the buffer */
 441
 442         while (ACPI_IS_SPACE (*string) || *string == '\t') {
 443                 string++;
 444         }
 445
 446         /*
 447          * If the input parameter Base is zero, then we need to
 448          * determine if it is decimal or hexadecimal:
 449          */
 450         if (base == 0) {
 451                 if ((*string == '0') &&
 452                         (ACPI_TOLOWER (*(string + 1)) == 'x')) {
 453                         base = 16;
 454                         string += 2;
 455                 }
 456                 else {
 457                         base = 10;
 458                 }
 459         }
 460
 461         /*
 462          * For hexadecimal base, skip over the leading
 463          * 0 or 0x, if they are present.
 464          */
 465         if ((base == 16) &&
 466                 (*string == '0') &&
 467                 (ACPI_TOLOWER (*(string + 1)) == 'x')) {
 468                 string += 2;
 469         }
 470
 471         /* Any string left? */
 472
 473         if (!(*string)) {
 474                 goto error_exit;
 475         }
 476
 477         /* Main loop: convert the string to a 64-bit integer */
 478
 479         while (*string) {
 480                 if (ACPI_IS_DIGIT (*string)) {
 481                         /* Convert ASCII 0-9 to Decimal value */
 482
 483                         this_digit = ((u8) *string) - '0';
 484                 }
 485                 else {
 486                         if (base == 10) {
 487                                 /* Digit is out of range */
 488
 489                                 goto error_exit;
 490                         }
 491
 492                         this_digit = (u8) ACPI_TOUPPER (*string);
 493                         if (ACPI_IS_XDIGIT ((char) this_digit)) {
 494                                 /* Convert ASCII Hex char to value */
 495
 496                                 this_digit = this_digit - 'A' + 10;
 497                         }
 498                         else {
 499                                 /*
 500                                  * We allow non-hex chars, just stop now, same as end-of-string.
 501                                  * See ACPI spec, string-to-integer conversion.
 502                                  */
 503                                 break;
 504                         }
 505                 }
 506
 507                 /* Divide the digit into the correct position */
 508
 509                 (void) acpi_ut_short_divide ((ACPI_INTEGER_MAX - (acpi_integer) this_digit),
 510                                  base, &quotient, NULL);
 511                 if (return_value > quotient) {
 512                         goto error_exit;
 513                 }
 514
 515                 return_value *= base;
 516                 return_value += this_digit;
 517                 string++;
 518         }
 519
 520         /* All done, normal exit */
 521
 522         *ret_integer = return_value;
 523         return_ACPI_STATUS (AE_OK);
 524
 525
 526 error_exit:
 527         /* Base was set/validated above */
 528
 529         if (base == 10) {
 530                 return_ACPI_STATUS (AE_BAD_DECIMAL_CONSTANT);
 531         }
 532         else {
 533                 return_ACPI_STATUS (AE_BAD_HEX_CONSTANT);
 534         }
 535 }
 536
 537
 538 /*******************************************************************************
 539  *
 540  * FUNCTION:    acpi_ut_create_update_state_and_push
 541  *
 542  * PARAMETERS:  Object          - Object to be added to the new state
 543  *              Action          - Increment/Decrement
 544  *              state_list      - List the state will be added to
 545  *
 546  * RETURN:      Status
 547  *
 548  * DESCRIPTION: Create a new state and push it
 549  *
 550  ******************************************************************************/
 551
 552 acpi_status
 553 acpi_ut_create_update_state_and_push (
 554         union acpi_operand_object       *object,
 555         u16                             action,
 556         union acpi_generic_state        **state_list)
 557 {
 558         union acpi_generic_state         *state;
 559
 560
 561         ACPI_FUNCTION_ENTRY ();
 562
 563
 564         /* Ignore null objects; these are expected */
 565
 566         if (!object) {
 567                 return (AE_OK);
 568         }
 569
 570         state = acpi_ut_create_update_state (object, action);
 571         if (!state) {
 572                 return (AE_NO_MEMORY);
 573         }
 574
 575         acpi_ut_push_generic_state (state_list, state);
 576         return (AE_OK);
 577 }
 578
 579
 580 /*******************************************************************************
 581  *
 582  * FUNCTION:    acpi_ut_walk_package_tree
 583  *
 584  * PARAMETERS:  source_object       - The package to walk
 585  *              target_object       - Target object (if package is being copied)
 586  *              walk_callback       - Called once for each package element
 587  *              Context             - Passed to the callback function
 588  *
 589  * RETURN:      Status
 590  *
 591  * DESCRIPTION: Walk through a package
 592  *
 593  ******************************************************************************/
 594
 595 acpi_status
 596 acpi_ut_walk_package_tree (
 597         union acpi_operand_object       *source_object,
 598         void                            *target_object,
 599         acpi_pkg_callback               walk_callback,
 600         void                            *context)
 601 {
 602         acpi_status                     status = AE_OK;
 603         union acpi_generic_state        *state_list = NULL;
 604         union acpi_generic_state        *state;
 605         u32                             this_index;
 606         union acpi_operand_object       *this_source_obj;
 607
 608
 609         ACPI_FUNCTION_TRACE ("ut_walk_package_tree");
 610
 611
 612         state = acpi_ut_create_pkg_state (source_object, target_object, 0);
 613         if (!state) {
 614                 return_ACPI_STATUS (AE_NO_MEMORY);
 615         }
 616
 617         while (state) {
 618                 /* Get one element of the package */
 619
 620                 this_index    = state->pkg.index;
 621                 this_source_obj = (union acpi_operand_object *)
 622                                   state->pkg.source_object->package.elements[this_index];
 623
 624                 /*
 625                  * Check for:
 626                  * 1) An uninitialized package element.  It is completely
 627                  *    legal to declare a package and leave it uninitialized
 628                  * 2) Not an internal object - can be a namespace node instead
 629                  * 3) Any type other than a package.  Packages are handled in else
 630                  *    case below.
 631                  */
 632                 if ((!this_source_obj) ||
 633                         (ACPI_GET_DESCRIPTOR_TYPE (this_source_obj) != ACPI_DESC_TYPE_OPERAND) ||
 634                         (ACPI_GET_OBJECT_TYPE (this_source_obj) != ACPI_TYPE_PACKAGE)) {
 635                         status = walk_callback (ACPI_COPY_TYPE_SIMPLE, this_source_obj,
 636                                          state, context);
 637                         if (ACPI_FAILURE (status)) {
 638                                 return_ACPI_STATUS (status);
 639                         }
 640
 641                         state->pkg.index++;
 642                         while (state->pkg.index >= state->pkg.source_object->package.count) {
 643                                 /*
 644                                  * We've handled all of the objects at this level,  This means
 645                                  * that we have just completed a package.  That package may
 646                                  * have contained one or more packages itself.
 647                                  *
 648                                  * Delete this state and pop the previous state (package).
 649                                  */
 650                                 acpi_ut_delete_generic_state (state);
 651                                 state = acpi_ut_pop_generic_state (&state_list);
 652
 653                                 /* Finished when there are no more states */
 654
 655                                 if (!state) {
 656                                         /*
 657                                          * We have handled all of the objects in the top level
 658                                          * package just add the length of the package objects
 659                                          * and exit
 660                                          */
 661                                         return_ACPI_STATUS (AE_OK);
 662                                 }
 663
 664                                 /*
 665                                  * Go back up a level and move the index past the just
 666                                  * completed package object.
 667                                  */
 668                                 state->pkg.index++;
 669                         }
 670                 }
 671                 else {
 672                         /* This is a subobject of type package */
 673
 674                         status = walk_callback (ACPI_COPY_TYPE_PACKAGE, this_source_obj,
 675                                           state, context);
 676                         if (ACPI_FAILURE (status)) {
 677                                 return_ACPI_STATUS (status);
 678                         }
 679
 680                         /*
 681                          * Push the current state and create a new one
 682                          * The callback above returned a new target package object.
 683                          */
 684                         acpi_ut_push_generic_state (&state_list, state);
 685                         state = acpi_ut_create_pkg_state (this_source_obj,
 686                                            state->pkg.this_target_obj, 0);
 687                         if (!state) {
 688                                 return_ACPI_STATUS (AE_NO_MEMORY);
 689                         }
 690                 }
 691         }
 692
 693         /* We should never get here */
 694
 695         return_ACPI_STATUS (AE_AML_INTERNAL);
 696 }
 697
 698
 699 /*******************************************************************************
 700  *
 701  * FUNCTION:    acpi_ut_generate_checksum
 702  *
 703  * PARAMETERS:  Buffer          - Buffer to be scanned
 704  *              Length          - number of bytes to examine
 705  *
 706  * RETURN:      The generated checksum
 707  *
 708  * DESCRIPTION: Generate a checksum on a raw buffer
 709  *
 710  ******************************************************************************/
 711
 712 u8
 713 acpi_ut_generate_checksum (
 714         u8                              *buffer,
 715         u32                             length)
 716 {
 717         u32                             i;
 718         signed char                     sum = 0;
 719
 720
 721         for (i = 0; i < length; i++) {
 722                 sum = (signed char) (sum + buffer[i]);
 723         }
 724
 725         return ((u8) (0 - sum));
 726 }
 727
 728
 729 /*******************************************************************************
 730  *
 731  * FUNCTION:    acpi_ut_get_resource_end_tag
 732  *
 733  * PARAMETERS:  obj_desc        - The resource template buffer object
 734  *
 735  * RETURN:      Pointer to the end tag
 736  *
 737  * DESCRIPTION: Find the END_TAG resource descriptor in a resource template
 738  *
 739  ******************************************************************************/
 740
 741
 742 u8 *
 743 acpi_ut_get_resource_end_tag (
 744         union acpi_operand_object       *obj_desc)
 745 {
 746         u8                              buffer_byte;
 747         u8                              *buffer;
 748         u8                              *end_buffer;
 749
 750
 751         buffer    = obj_desc->buffer.pointer;
 752         end_buffer = buffer + obj_desc->buffer.length;
 753
 754         while (buffer < end_buffer) {
 755                 buffer_byte = *buffer;
 756                 if (buffer_byte & ACPI_RDESC_TYPE_MASK) {
 757                         /* Large Descriptor - Length is next 2 bytes */
 758
 759                         buffer += ((*(buffer+1) | (*(buffer+2) << 8)) + 3);
 760                 }
 761                 else {
 762                         /* Small Descriptor.  End Tag will be found here */
 763
 764                         if ((buffer_byte & ACPI_RDESC_SMALL_MASK) == ACPI_RDESC_TYPE_END_TAG) {
 765                                 /* Found the end tag descriptor, all done. */
 766
 767                                 return (buffer);
 768                         }
 769
 770                         /* Length is in the header */
 771
 772                         buffer += ((buffer_byte & 0x07) + 1);
 773                 }
 774         }
 775
 776         /* End tag not found */
 777
 778         return (NULL);
 779 }
 780
 781
 782 /*******************************************************************************
 783  *
 784  * FUNCTION:    acpi_ut_report_error
 785  *
 786  * PARAMETERS:  module_name         - Caller's module name (for error output)
 787  *              line_number         - Caller's line number (for error output)
 788  *              component_id        - Caller's component ID (for error output)
 789  *
 790  * RETURN:      None
 791  *
 792  * DESCRIPTION: Print error message
 793  *
 794  ******************************************************************************/
 795
 796 void
 797 acpi_ut_report_error (
 798         char                            *module_name,
 799         u32                             line_number,
 800         u32                             component_id)
 801 {
 802
 803         acpi_os_printf ("%8s-%04d: *** Error: ", module_name, line_number);
 804 }
 805
 806
 807 /*******************************************************************************
 808  *
 809  * FUNCTION:    acpi_ut_report_warning
 810  *
 811  * PARAMETERS:  module_name         - Caller's module name (for error output)
 812  *              line_number         - Caller's line number (for error output)
 813  *              component_id        - Caller's component ID (for error output)
 814  *
 815  * RETURN:      None
 816  *
 817  * DESCRIPTION: Print warning message
 818  *
 819  ******************************************************************************/
 820
 821 void
 822 acpi_ut_report_warning (
 823         char                            *module_name,
 824         u32                             line_number,
 825         u32                             component_id)
 826 {
 827
 828         acpi_os_printf ("%8s-%04d: *** Warning: ", module_name, line_number);
 829 }
 830
 831
 832 /*******************************************************************************
 833  *
 834  * FUNCTION:    acpi_ut_report_info
 835  *
 836  * PARAMETERS:  module_name         - Caller's module name (for error output)
 837  *              line_number         - Caller's line number (for error output)
 838  *              component_id        - Caller's component ID (for error output)
 839  *
 840  * RETURN:      None
 841  *
 842  * DESCRIPTION: Print information message
 843  *
 844  ******************************************************************************/
 845
 846 void
 847 acpi_ut_report_info (
 848         char                            *module_name,
 849         u32                             line_number,
 850         u32                             component_id)
 851 {
 852
 853         acpi_os_printf ("%8s-%04d: *** Info: ", module_name, line_number);
 854 }
 855
 856