1 /****************************************************************************** 2 * 3 * Module Name: aslutils -- compiler utilities 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 #include "aslcompiler.h" 45 #include "aslcompiler.y.h" 46 #include "acdisasm.h" 47 #include "acnamesp.h" 48 #include "amlcode.h" 49 #include <acapps.h> 50 51 #define _COMPONENT ACPI_COMPILER 52 ACPI_MODULE_NAME ("aslutils") 53 54 55 /* Local prototypes */ 56 57 static void 58 UtPadNameWithUnderscores ( 59 char *NameSeg, 60 char *PaddedNameSeg); 61 62 static void 63 UtAttachNameseg ( 64 ACPI_PARSE_OBJECT *Op, 65 char *Name); 66 67 68 /******************************************************************************* 69 * 70 * FUNCTION: UtDisplaySupportedTables 71 * 72 * PARAMETERS: None 73 * 74 * RETURN: None 75 * 76 * DESCRIPTION: Print all supported ACPI table names. 77 * 78 ******************************************************************************/ 79 80 #define ACPI_TABLE_HELP_FORMAT "%8u) %s %s\n" 81 82 void 83 UtDisplaySupportedTables ( 84 void) 85 { 86 ACPI_DMTABLE_DATA *TableData; 87 UINT32 i; 88 89 90 printf ("\nACPI tables supported by iASL version %8.8X:\n" 91 " (Compiler, Disassembler, Template Generator)\n\n", 92 ACPI_CA_VERSION); 93 94 /* Special tables */ 95 96 printf (" Special tables and AML tables:\n"); 97 printf (ACPI_TABLE_HELP_FORMAT, 1, ACPI_RSDP_NAME, "Root System Description Pointer"); 98 printf (ACPI_TABLE_HELP_FORMAT, 2, ACPI_SIG_FACS, "Firmware ACPI Control Structure"); 99 printf (ACPI_TABLE_HELP_FORMAT, 3, ACPI_SIG_DSDT, "Differentiated System Description Table"); 100 printf (ACPI_TABLE_HELP_FORMAT, 4, ACPI_SIG_SSDT, "Secondary System Description Table"); 101 102 /* All data tables with common table header */ 103 104 printf ("\n Standard ACPI data tables:\n"); 105 for (TableData = AcpiDmTableData, i = 5; TableData->Signature; TableData++, i++) 106 { 107 printf (ACPI_TABLE_HELP_FORMAT, i, TableData->Signature, TableData->Name); 108 } 109 } 110 111 112 /******************************************************************************* 113 * 114 * FUNCTION: UtDisplayConstantOpcodes 115 * 116 * PARAMETERS: None 117 * 118 * RETURN: None 119 * 120 * DESCRIPTION: Print AML opcodes that can be used in constant expressions. 121 * 122 ******************************************************************************/ 123 124 void 125 UtDisplayConstantOpcodes ( 126 void) 127 { 128 UINT32 i; 129 130 131 printf ("Constant expression opcode information\n\n"); 132 133 for (i = 0; i < sizeof (AcpiGbl_AmlOpInfo) / sizeof (ACPI_OPCODE_INFO); i++) 134 { 135 if (AcpiGbl_AmlOpInfo[i].Flags & AML_CONSTANT) 136 { 137 printf ("%s\n", AcpiGbl_AmlOpInfo[i].Name); 138 } 139 } 140 } 141 142 143 /******************************************************************************* 144 * 145 * FUNCTION: UtLocalCalloc 146 * 147 * PARAMETERS: Size - Bytes to be allocated 148 * 149 * RETURN: Pointer to the allocated memory. Guaranteed to be valid. 150 * 151 * DESCRIPTION: Allocate zero-initialized memory. Aborts the compile on an 152 * allocation failure, on the assumption that nothing more can be 153 * accomplished. 154 * 155 ******************************************************************************/ 156 157 void * 158 UtLocalCalloc ( 159 UINT32 Size) 160 { 161 void *Allocated; 162 163 164 Allocated = ACPI_ALLOCATE_ZEROED (Size); 165 if (!Allocated) 166 { 167 AslCommonError (ASL_ERROR, ASL_MSG_MEMORY_ALLOCATION, 168 Gbl_CurrentLineNumber, Gbl_LogicalLineNumber, 169 Gbl_InputByteCount, Gbl_CurrentColumn, 170 Gbl_Files[ASL_FILE_INPUT].Filename, NULL); 171 172 CmCleanupAndExit (); 173 exit (1); 174 } 175 176 TotalAllocations++; 177 TotalAllocated += Size; 178 return (Allocated); 179 } 180 181 /******************************************************************************* 182 * 183 * FUNCTION: UtLocalFree 184 * 185 * PARAMETERS: Allocated - Pointer to be released 186 * PARAMETERS: Size - Bytes to be released 187 * 188 * RETURN: None 189 * 190 * DESCRIPTION: Free memory previously allocated 191 * 192 ******************************************************************************/ 193 void 194 UtLocalFree ( 195 void *Allocated, UINT32 Size) 196 { 197 ACPI_FREE (Allocated); 198 TotalAllocations--; 199 TotalAllocated -= Size; 200 } 201 202 /******************************************************************************* 203 * 204 * FUNCTION: UtBeginEvent 205 * 206 * PARAMETERS: Name - Ascii name of this event 207 * 208 * RETURN: Event number (integer index) 209 * 210 * DESCRIPTION: Saves the current time with this event 211 * 212 ******************************************************************************/ 213 214 UINT8 215 UtBeginEvent ( 216 char *Name) 217 { 218 219 if (AslGbl_NextEvent >= ASL_NUM_EVENTS) 220 { 221 AcpiOsPrintf ("Ran out of compiler event structs!\n"); 222 return (AslGbl_NextEvent); 223 } 224 225 /* Init event with current (start) time */ 226 227 AslGbl_Events[AslGbl_NextEvent].StartTime = AcpiOsGetTimer (); 228 AslGbl_Events[AslGbl_NextEvent].EventName = Name; 229 AslGbl_Events[AslGbl_NextEvent].Valid = TRUE; 230 231 return (AslGbl_NextEvent++); 232 } 233 234 235 /******************************************************************************* 236 * 237 * FUNCTION: UtEndEvent 238 * 239 * PARAMETERS: Event - Event number (integer index) 240 * 241 * RETURN: None 242 * 243 * DESCRIPTION: Saves the current time (end time) with this event 244 * 245 ******************************************************************************/ 246 247 void 248 UtEndEvent ( 249 UINT8 Event) 250 { 251 252 if (Event >= ASL_NUM_EVENTS) 253 { 254 return; 255 } 256 257 /* Insert end time for event */ 258 259 AslGbl_Events[Event].EndTime = AcpiOsGetTimer (); 260 } 261 262 263 /******************************************************************************* 264 * 265 * FUNCTION: UtConvertByteToHex 266 * 267 * PARAMETERS: RawByte - Binary data 268 * Buffer - Pointer to where the hex bytes will be 269 * stored 270 * 271 * RETURN: Ascii hex byte is stored in Buffer. 272 * 273 * DESCRIPTION: Perform hex-to-ascii translation. The return data is prefixed 274 * with "0x" 275 * 276 ******************************************************************************/ 277 278 void 279 UtConvertByteToHex ( 280 UINT8 RawByte, 281 UINT8 *Buffer) 282 { 283 284 Buffer[0] = '0'; 285 Buffer[1] = 'x'; 286 287 Buffer[2] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 4); 288 Buffer[3] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 0); 289 } 290 291 292 /******************************************************************************* 293 * 294 * FUNCTION: UtConvertByteToAsmHex 295 * 296 * PARAMETERS: RawByte - Binary data 297 * Buffer - Pointer to where the hex bytes will be 298 * stored 299 * 300 * RETURN: Ascii hex byte is stored in Buffer. 301 * 302 * DESCRIPTION: Perform hex-to-ascii translation. The return data is prefixed 303 * with '0', and a trailing 'h' is added. 304 * 305 ******************************************************************************/ 306 307 void 308 UtConvertByteToAsmHex ( 309 UINT8 RawByte, 310 UINT8 *Buffer) 311 { 312 313 Buffer[0] = '0'; 314 Buffer[1] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 4); 315 Buffer[2] = (UINT8) AcpiUtHexToAsciiChar (RawByte, 0); 316 Buffer[3] = 'h'; 317 } 318 319 320 /******************************************************************************* 321 * 322 * FUNCTION: DbgPrint 323 * 324 * PARAMETERS: Type - Type of output 325 * Fmt - Printf format string 326 * ... - variable printf list 327 * 328 * RETURN: None 329 * 330 * DESCRIPTION: Conditional print statement. Prints to stderr only if the 331 * debug flag is set. 332 * 333 ******************************************************************************/ 334 335 void 336 DbgPrint ( 337 UINT32 Type, 338 char *Fmt, 339 ...) 340 { 341 va_list Args; 342 343 344 if (!Gbl_DebugFlag) 345 { 346 return; 347 } 348 349 if ((Type == ASL_PARSE_OUTPUT) && 350 (!(AslCompilerdebug))) 351 { 352 return; 353 } 354 355 va_start (Args, Fmt); 356 (void) vfprintf (stderr, Fmt, Args); 357 va_end (Args); 358 return; 359 } 360 361 362 /******************************************************************************* 363 * 364 * FUNCTION: UtPrintFormattedName 365 * 366 * PARAMETERS: ParseOpcode - Parser keyword ID 367 * Level - Indentation level 368 * 369 * RETURN: None 370 * 371 * DESCRIPTION: Print the ascii name of the parse opcode. 372 * 373 ******************************************************************************/ 374 375 #define TEXT_OFFSET 10 376 377 void 378 UtPrintFormattedName ( 379 UINT16 ParseOpcode, 380 UINT32 Level) 381 { 382 383 if (Level) 384 { 385 DbgPrint (ASL_TREE_OUTPUT, 386 "%*s", (3 * Level), " "); 387 } 388 DbgPrint (ASL_TREE_OUTPUT, 389 " %-20.20s", UtGetOpName (ParseOpcode)); 390 391 if (Level < TEXT_OFFSET) 392 { 393 DbgPrint (ASL_TREE_OUTPUT, 394 "%*s", (TEXT_OFFSET - Level) * 3, " "); 395 } 396 } 397 398 399 /******************************************************************************* 400 * 401 * FUNCTION: UtSetParseOpName 402 * 403 * PARAMETERS: Op - Parse op to be named. 404 * 405 * RETURN: None 406 * 407 * DESCRIPTION: Insert the ascii name of the parse opcode 408 * 409 ******************************************************************************/ 410 411 void 412 UtSetParseOpName ( 413 ACPI_PARSE_OBJECT *Op) 414 { 415 416 strncpy (Op->Asl.ParseOpName, UtGetOpName (Op->Asl.ParseOpcode), 417 ACPI_MAX_PARSEOP_NAME); 418 } 419 420 421 /******************************************************************************* 422 * 423 * FUNCTION: UtDisplaySummary 424 * 425 * PARAMETERS: FileID - ID of outpout file 426 * 427 * RETURN: None 428 * 429 * DESCRIPTION: Display compilation statistics 430 * 431 ******************************************************************************/ 432 433 void 434 UtDisplaySummary ( 435 UINT32 FileId) 436 { 437 UINT32 i; 438 439 440 if (FileId != ASL_FILE_STDOUT) 441 { 442 /* Compiler name and version number */ 443 444 FlPrintFile (FileId, "%s version %X%s [%s]\n\n", 445 ASL_COMPILER_NAME, (UINT32) ACPI_CA_VERSION, ACPI_WIDTH, ACPI_DATE); 446 } 447 448 /* Summary of main input and output files */ 449 450 if (Gbl_FileType == ASL_INPUT_TYPE_ASCII_DATA) 451 { 452 FlPrintFile (FileId, 453 "%-14s %s - %u lines, %u bytes, %u fields\n", 454 "Table Input:", 455 Gbl_Files[ASL_FILE_INPUT].Filename, Gbl_CurrentLineNumber, 456 Gbl_InputByteCount, Gbl_InputFieldCount); 457 458 if ((Gbl_ExceptionCount[ASL_ERROR] == 0) || (Gbl_IgnoreErrors)) 459 { 460 FlPrintFile (FileId, 461 "%-14s %s - %u bytes\n", 462 "Binary Output:", 463 Gbl_Files[ASL_FILE_AML_OUTPUT].Filename, Gbl_TableLength); 464 } 465 } 466 else 467 { 468 FlPrintFile (FileId, 469 "%-14s %s - %u lines, %u bytes, %u keywords\n", 470 "ASL Input:", 471 Gbl_Files[ASL_FILE_INPUT].Filename, Gbl_CurrentLineNumber, 472 Gbl_InputByteCount, TotalKeywords); 473 474 /* AML summary */ 475 476 if ((Gbl_ExceptionCount[ASL_ERROR] == 0) || (Gbl_IgnoreErrors)) 477 { 478 FlPrintFile (FileId, 479 "%-14s %s - %u bytes, %u named objects, %u executable opcodes\n", 480 "AML Output:", 481 Gbl_Files[ASL_FILE_AML_OUTPUT].Filename, Gbl_TableLength, 482 TotalNamedObjects, TotalExecutableOpcodes); 483 } 484 } 485 486 /* Display summary of any optional files */ 487 488 for (i = ASL_FILE_SOURCE_OUTPUT; i <= ASL_MAX_FILE_TYPE; i++) 489 { 490 if (!Gbl_Files[i].Filename || !Gbl_Files[i].Handle) 491 { 492 continue; 493 } 494 495 /* .SRC is a temp file unless specifically requested */ 496 497 if ((i == ASL_FILE_SOURCE_OUTPUT) && (!Gbl_SourceOutputFlag)) 498 { 499 continue; 500 } 501 502 /* .I is a temp file unless specifically requested */ 503 504 if ((i == ASL_FILE_PREPROCESSOR) && (!Gbl_PreprocessorOutputFlag)) 505 { 506 continue; 507 } 508 509 FlPrintFile (FileId, "%14s %s - %u bytes\n", 510 Gbl_Files[i].ShortDescription, 511 Gbl_Files[i].Filename, FlGetFileSize (i)); 512 } 513 514 /* Error summary */ 515 516 FlPrintFile (FileId, 517 "\nCompilation complete. %u Errors, %u Warnings, %u Remarks", 518 Gbl_ExceptionCount[ASL_ERROR], 519 Gbl_ExceptionCount[ASL_WARNING] + 520 Gbl_ExceptionCount[ASL_WARNING2] + 521 Gbl_ExceptionCount[ASL_WARNING3], 522 Gbl_ExceptionCount[ASL_REMARK]); 523 524 if (Gbl_FileType != ASL_INPUT_TYPE_ASCII_DATA) 525 { 526 FlPrintFile (FileId, ", %u Optimizations", 527 Gbl_ExceptionCount[ASL_OPTIMIZATION]); 528 529 if (TotalFolds) 530 { 531 FlPrintFile (FileId, ", %u Constants Folded", TotalFolds); 532 } 533 } 534 535 FlPrintFile (FileId, "\n"); 536 } 537 538 539 /******************************************************************************* 540 * 541 * FUNCTION: UtCheckIntegerRange 542 * 543 * PARAMETERS: Op - Integer parse node 544 * LowValue - Smallest allowed value 545 * HighValue - Largest allowed value 546 * 547 * RETURN: Op if OK, otherwise NULL 548 * 549 * DESCRIPTION: Check integer for an allowable range 550 * 551 ******************************************************************************/ 552 553 ACPI_PARSE_OBJECT * 554 UtCheckIntegerRange ( 555 ACPI_PARSE_OBJECT *Op, 556 UINT32 LowValue, 557 UINT32 HighValue) 558 { 559 560 if (!Op) 561 { 562 return (NULL); 563 } 564 565 if ((Op->Asl.Value.Integer < LowValue) || 566 (Op->Asl.Value.Integer > HighValue)) 567 { 568 snprintf (MsgBuffer, sizeof(MsgBuffer), "0x%X, allowable: 0x%X-0x%X", 569 (UINT32) Op->Asl.Value.Integer, LowValue, HighValue); 570 571 AslError (ASL_ERROR, ASL_MSG_RANGE, Op, MsgBuffer); 572 return (NULL); 573 } 574 575 return (Op); 576 } 577 578 579 /******************************************************************************* 580 * 581 * FUNCTION: UtStringCacheCalloc 582 * 583 * PARAMETERS: Length - Size of buffer requested 584 * 585 * RETURN: Pointer to the buffer. Aborts on allocation failure 586 * 587 * DESCRIPTION: Allocate a string buffer. Bypass the local 588 * dynamic memory manager for performance reasons (This has a 589 * major impact on the speed of the compiler.) 590 * 591 ******************************************************************************/ 592 593 char * 594 UtStringCacheCalloc ( 595 UINT32 Length) 596 { 597 char *Buffer; 598 ASL_CACHE_INFO *Cache; 599 UINT32 CacheSize = ASL_STRING_CACHE_SIZE; 600 601 602 if (Length > CacheSize) 603 { 604 CacheSize = Length; 605 606 if (Gbl_StringCacheList) 607 { 608 Cache = UtLocalCalloc (sizeof (Cache->Next) + CacheSize); 609 610 /* Link new cache buffer just following head of list */ 611 612 Cache->Next = Gbl_StringCacheList->Next; 613 Gbl_StringCacheList->Next = Cache; 614 615 /* Leave cache management pointers alone as they pertain to head */ 616 617 Gbl_StringCount++; 618 Gbl_StringSize += Length; 619 620 return (Cache->Buffer); 621 } 622 } 623 624 if ((Gbl_StringCacheNext + Length) >= Gbl_StringCacheLast) 625 { 626 /* Allocate a new buffer */ 627 628 Cache = UtLocalCalloc (sizeof (Cache->Next) + CacheSize); 629 630 /* Link new cache buffer to head of list */ 631 632 Cache->Next = Gbl_StringCacheList; 633 Gbl_StringCacheList = Cache; 634 635 /* Setup cache management pointers */ 636 637 Gbl_StringCacheNext = Cache->Buffer; 638 Gbl_StringCacheLast = Gbl_StringCacheNext + CacheSize; 639 } 640 641 Gbl_StringCount++; 642 Gbl_StringSize += Length; 643 644 Buffer = Gbl_StringCacheNext; 645 Gbl_StringCacheNext += Length; 646 return (Buffer); 647 } 648 649 650 /****************************************************************************** 651 * 652 * FUNCTION: UtExpandLineBuffers 653 * 654 * PARAMETERS: None. Updates global line buffer pointers. 655 * 656 * RETURN: None. Reallocates the global line buffers 657 * 658 * DESCRIPTION: Called if the current line buffer becomes filled. Reallocates 659 * all global line buffers and updates Gbl_LineBufferSize. NOTE: 660 * Also used for the initial allocation of the buffers, when 661 * all of the buffer pointers are NULL. Initial allocations are 662 * of size ASL_DEFAULT_LINE_BUFFER_SIZE 663 * 664 *****************************************************************************/ 665 666 void 667 UtExpandLineBuffers ( 668 void) 669 { 670 UINT32 NewSize; 671 672 673 /* Attempt to double the size of all line buffers */ 674 675 NewSize = Gbl_LineBufferSize * 2; 676 if (Gbl_CurrentLineBuffer) 677 { 678 DbgPrint (ASL_DEBUG_OUTPUT, 679 "Increasing line buffer size from %u to %u\n", 680 Gbl_LineBufferSize, NewSize); 681 } 682 683 Gbl_CurrentLineBuffer = realloc (Gbl_CurrentLineBuffer, NewSize); 684 Gbl_LineBufPtr = Gbl_CurrentLineBuffer; 685 if (!Gbl_CurrentLineBuffer) 686 { 687 goto ErrorExit; 688 } 689 690 Gbl_MainTokenBuffer = realloc (Gbl_MainTokenBuffer, NewSize); 691 if (!Gbl_MainTokenBuffer) 692 { 693 goto ErrorExit; 694 } 695 696 Gbl_MacroTokenBuffer = realloc (Gbl_MacroTokenBuffer, NewSize); 697 if (!Gbl_MacroTokenBuffer) 698 { 699 goto ErrorExit; 700 } 701 702 Gbl_ExpressionTokenBuffer = realloc (Gbl_ExpressionTokenBuffer, NewSize); 703 if (!Gbl_ExpressionTokenBuffer) 704 { 705 goto ErrorExit; 706 } 707 708 Gbl_LineBufferSize = NewSize; 709 return; 710 711 712 /* On error above, simply issue error messages and abort, cannot continue */ 713 714 ErrorExit: 715 printf ("Could not increase line buffer size from %u to %u\n", 716 Gbl_LineBufferSize, Gbl_LineBufferSize * 2); 717 718 AslError (ASL_ERROR, ASL_MSG_BUFFER_ALLOCATION, 719 NULL, NULL); 720 AslAbort (); 721 } 722 723 724 /****************************************************************************** 725 * 726 * FUNCTION: UtFreeLineBuffers 727 * 728 * PARAMETERS: None 729 * 730 * RETURN: None 731 * 732 * DESCRIPTION: Free all line buffers 733 * 734 *****************************************************************************/ 735 736 void 737 UtFreeLineBuffers ( 738 void) 739 { 740 741 free (Gbl_CurrentLineBuffer); 742 free (Gbl_MainTokenBuffer); 743 free (Gbl_MacroTokenBuffer); 744 free (Gbl_ExpressionTokenBuffer); 745 } 746 747 748 /******************************************************************************* 749 * 750 * FUNCTION: UtInternalizeName 751 * 752 * PARAMETERS: ExternalName - Name to convert 753 * ConvertedName - Where the converted name is returned 754 * 755 * RETURN: Status 756 * 757 * DESCRIPTION: Convert an external (ASL) name to an internal (AML) name 758 * 759 ******************************************************************************/ 760 761 ACPI_STATUS 762 UtInternalizeName ( 763 char *ExternalName, 764 char **ConvertedName) 765 { 766 ACPI_NAMESTRING_INFO Info; 767 ACPI_STATUS Status; 768 769 770 if (!ExternalName) 771 { 772 return (AE_OK); 773 } 774 775 /* Get the length of the new internal name */ 776 777 Info.ExternalName = ExternalName; 778 AcpiNsGetInternalNameLength (&Info); 779 780 /* We need a segment to store the internal name */ 781 782 Info.InternalName = UtStringCacheCalloc (Info.Length); 783 if (!Info.InternalName) 784 { 785 return (AE_NO_MEMORY); 786 } 787 788 /* Build the name */ 789 790 Status = AcpiNsBuildInternalName (&Info); 791 if (ACPI_FAILURE (Status)) 792 { 793 return (Status); 794 } 795 796 *ConvertedName = Info.InternalName; 797 return (AE_OK); 798 } 799 800 801 /******************************************************************************* 802 * 803 * FUNCTION: UtPadNameWithUnderscores 804 * 805 * PARAMETERS: NameSeg - Input nameseg 806 * PaddedNameSeg - Output padded nameseg 807 * 808 * RETURN: Padded nameseg. 809 * 810 * DESCRIPTION: Pads a NameSeg with underscores if necessary to form a full 811 * ACPI_NAME. 812 * 813 ******************************************************************************/ 814 815 static void 816 UtPadNameWithUnderscores ( 817 char *NameSeg, 818 char *PaddedNameSeg) 819 { 820 UINT32 i; 821 822 823 for (i = 0; (i < ACPI_NAME_SIZE); i++) 824 { 825 if (*NameSeg) 826 { 827 *PaddedNameSeg = *NameSeg; 828 NameSeg++; 829 } 830 else 831 { 832 *PaddedNameSeg = '_'; 833 } 834 PaddedNameSeg++; 835 } 836 } 837 838 839 /******************************************************************************* 840 * 841 * FUNCTION: UtAttachNameseg 842 * 843 * PARAMETERS: Op - Parent parse node 844 * Name - Full ExternalName 845 * 846 * RETURN: None; Sets the NameSeg field in parent node 847 * 848 * DESCRIPTION: Extract the last nameseg of the ExternalName and store it 849 * in the NameSeg field of the Op. 850 * 851 ******************************************************************************/ 852 853 static void 854 UtAttachNameseg ( 855 ACPI_PARSE_OBJECT *Op, 856 char *Name) 857 { 858 char *NameSeg; 859 char PaddedNameSeg[4]; 860 861 862 if (!Name) 863 { 864 return; 865 } 866 867 /* Look for the last dot in the namepath */ 868 869 NameSeg = strrchr (Name, '.'); 870 if (NameSeg) 871 { 872 /* Found last dot, we have also found the final nameseg */ 873 874 NameSeg++; 875 UtPadNameWithUnderscores (NameSeg, PaddedNameSeg); 876 } 877 else 878 { 879 /* No dots in the namepath, there is only a single nameseg. */ 880 /* Handle prefixes */ 881 882 while (ACPI_IS_ROOT_PREFIX (*Name) || 883 ACPI_IS_PARENT_PREFIX (*Name)) 884 { 885 Name++; 886 } 887 888 /* Remaining string should be one single nameseg */ 889 890 UtPadNameWithUnderscores (Name, PaddedNameSeg); 891 } 892 893 ACPI_MOVE_NAME (Op->Asl.NameSeg, PaddedNameSeg); 894 } 895 896 897 /******************************************************************************* 898 * 899 * FUNCTION: UtAttachNamepathToOwner 900 * 901 * PARAMETERS: Op - Parent parse node 902 * NameOp - Node that contains the name 903 * 904 * RETURN: Sets the ExternalName and Namepath in the parent node 905 * 906 * DESCRIPTION: Store the name in two forms in the parent node: The original 907 * (external) name, and the internalized name that is used within 908 * the ACPI namespace manager. 909 * 910 ******************************************************************************/ 911 912 void 913 UtAttachNamepathToOwner ( 914 ACPI_PARSE_OBJECT *Op, 915 ACPI_PARSE_OBJECT *NameOp) 916 { 917 ACPI_STATUS Status; 918 919 920 /* Full external path */ 921 922 Op->Asl.ExternalName = NameOp->Asl.Value.String; 923 924 /* Save the NameOp for possible error reporting later */ 925 926 Op->Asl.ParentMethod = (void *) NameOp; 927 928 /* Last nameseg of the path */ 929 930 UtAttachNameseg (Op, Op->Asl.ExternalName); 931 932 /* Create internalized path */ 933 934 Status = UtInternalizeName (NameOp->Asl.Value.String, &Op->Asl.Namepath); 935 if (ACPI_FAILURE (Status)) 936 { 937 /* TBD: abort on no memory */ 938 } 939 } 940 941 942 /******************************************************************************* 943 * 944 * FUNCTION: UtDoConstant 945 * 946 * PARAMETERS: String - Hex, Octal, or Decimal string 947 * 948 * RETURN: Converted Integer 949 * 950 * DESCRIPTION: Convert a string to an integer, with error checking. 951 * 952 ******************************************************************************/ 953 954 UINT64 955 UtDoConstant ( 956 char *String) 957 { 958 ACPI_STATUS Status; 959 UINT64 Converted; 960 char ErrBuf[64]; 961 962 963 Status = UtStrtoul64 (String, 0, &Converted); 964 if (ACPI_FAILURE (Status)) 965 { 966 snprintf (ErrBuf, sizeof(ErrBuf), "%s %s\n", "Conversion error:", 967 AcpiFormatException (Status)); 968 AslCompilererror (ErrBuf); 969 } 970 971 return (Converted); 972 } 973 974 975 /* TBD: use version in ACPICA main code base? */ 976 977 /******************************************************************************* 978 * 979 * FUNCTION: UtStrtoul64 980 * 981 * PARAMETERS: String - Null terminated string 982 * Terminater - Where a pointer to the terminating byte 983 * is returned 984 * Base - Radix of the string 985 * 986 * RETURN: Converted value 987 * 988 * DESCRIPTION: Convert a string into an unsigned value. 989 * 990 ******************************************************************************/ 991 992 ACPI_STATUS 993 UtStrtoul64 ( 994 char *String, 995 UINT32 Base, 996 UINT64 *RetInteger) 997 { 998 UINT32 Index; 999 UINT32 Sign; 1000 UINT64 ReturnValue = 0; 1001 ACPI_STATUS Status = AE_OK; 1002 1003 1004 *RetInteger = 0; 1005 1006 switch (Base) 1007 { 1008 case 0: 1009 case 8: 1010 case 10: 1011 case 16: 1012 1013 break; 1014 1015 default: 1016 /* 1017 * The specified Base parameter is not in the domain of 1018 * this function: 1019 */ 1020 return (AE_BAD_PARAMETER); 1021 } 1022 1023 /* Skip over any white space in the buffer: */ 1024 1025 while (isspace ((int) *String) || *String == '\t') 1026 { 1027 ++String; 1028 } 1029 1030 /* 1031 * The buffer may contain an optional plus or minus sign. 1032 * If it does, then skip over it but remember what is was: 1033 */ 1034 if (*String == '-') 1035 { 1036 Sign = NEGATIVE; 1037 ++String; 1038 } 1039 else if (*String == '+') 1040 { 1041 ++String; 1042 Sign = POSITIVE; 1043 } 1044 else 1045 { 1046 Sign = POSITIVE; 1047 } 1048 1049 /* 1050 * If the input parameter Base is zero, then we need to 1051 * determine if it is octal, decimal, or hexadecimal: 1052 */ 1053 if (Base == 0) 1054 { 1055 if (*String == '0') 1056 { 1057 if (tolower ((int) *(++String)) == 'x') 1058 { 1059 Base = 16; 1060 ++String; 1061 } 1062 else 1063 { 1064 Base = 8; 1065 } 1066 } 1067 else 1068 { 1069 Base = 10; 1070 } 1071 } 1072 1073 /* 1074 * For octal and hexadecimal bases, skip over the leading 1075 * 0 or 0x, if they are present. 1076 */ 1077 if (Base == 8 && *String == '0') 1078 { 1079 String++; 1080 } 1081 1082 if (Base == 16 && 1083 *String == '0' && 1084 tolower ((int) *(++String)) == 'x') 1085 { 1086 String++; 1087 } 1088 1089 /* Main loop: convert the string to an unsigned long */ 1090 1091 while (*String) 1092 { 1093 if (isdigit ((int) *String)) 1094 { 1095 Index = ((UINT8) *String) - '0'; 1096 } 1097 else 1098 { 1099 Index = (UINT8) toupper ((int) *String); 1100 if (isupper ((int) Index)) 1101 { 1102 Index = Index - 'A' + 10; 1103 } 1104 else 1105 { 1106 goto ErrorExit; 1107 } 1108 } 1109 1110 if (Index >= Base) 1111 { 1112 goto ErrorExit; 1113 } 1114 1115 /* Check to see if value is out of range: */ 1116 1117 if (ReturnValue > ((ACPI_UINT64_MAX - (UINT64) Index) / 1118 (UINT64) Base)) 1119 { 1120 goto ErrorExit; 1121 } 1122 else 1123 { 1124 ReturnValue *= Base; 1125 ReturnValue += Index; 1126 } 1127 1128 ++String; 1129 } 1130 1131 1132 /* If a minus sign was present, then "the conversion is negated": */ 1133 1134 if (Sign == NEGATIVE) 1135 { 1136 ReturnValue = (ACPI_UINT32_MAX - ReturnValue) + 1; 1137 } 1138 1139 *RetInteger = ReturnValue; 1140 return (Status); 1141 1142 1143 ErrorExit: 1144 switch (Base) 1145 { 1146 case 8: 1147 1148 Status = AE_BAD_OCTAL_CONSTANT; 1149 break; 1150 1151 case 10: 1152 1153 Status = AE_BAD_DECIMAL_CONSTANT; 1154 break; 1155 1156 case 16: 1157 1158 Status = AE_BAD_HEX_CONSTANT; 1159 break; 1160 1161 default: 1162 1163 /* Base validated above */ 1164 1165 break; 1166 } 1167 1168 return (Status); 1169 } 1170