1 /****************************************************************************** 2 * 3 * Module Name: aslutils -- compiler utilities 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2017, 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 #include <contrib/dev/acpica/compiler/aslcompiler.h> 153 #include "aslcompiler.y.h" 154 #include <contrib/dev/acpica/include/acdisasm.h> 155 #include <contrib/dev/acpica/include/acnamesp.h> 156 #include <contrib/dev/acpica/include/amlcode.h> 157 #include <contrib/dev/acpica/include/acapps.h> 158 #include <sys/stat.h> 159 160 161 #define _COMPONENT ACPI_COMPILER 162 ACPI_MODULE_NAME ("aslutils") 163 164 165 /* Local prototypes */ 166 167 static void 168 UtPadNameWithUnderscores ( 169 char *NameSeg, 170 char *PaddedNameSeg); 171 172 static void 173 UtAttachNameseg ( 174 ACPI_PARSE_OBJECT *Op, 175 char *Name); 176 177 178 /******************************************************************************* 179 * 180 * FUNCTION: UtIsBigEndianMachine 181 * 182 * PARAMETERS: None 183 * 184 * RETURN: TRUE if machine is big endian 185 * FALSE if machine is little endian 186 * 187 * DESCRIPTION: Detect whether machine is little endian or big endian. 188 * 189 ******************************************************************************/ 190 191 UINT8 192 UtIsBigEndianMachine ( 193 void) 194 { 195 union { 196 UINT32 Integer; 197 UINT8 Bytes[4]; 198 } Overlay = {0xFF000000}; 199 200 201 return (Overlay.Bytes[0]); /* Returns 0xFF (TRUE) for big endian */ 202 } 203 204 205 /****************************************************************************** 206 * 207 * FUNCTION: UtQueryForOverwrite 208 * 209 * PARAMETERS: Pathname - Output filename 210 * 211 * RETURN: TRUE if file does not exist or overwrite is authorized 212 * 213 * DESCRIPTION: Query for file overwrite if it already exists. 214 * 215 ******************************************************************************/ 216 217 BOOLEAN 218 UtQueryForOverwrite ( 219 char *Pathname) 220 { 221 struct stat StatInfo; 222 223 224 if (!stat (Pathname, &StatInfo)) 225 { 226 fprintf (stderr, "Target file \"%s\" already exists, overwrite? [y|n] ", 227 Pathname); 228 229 if (getchar () != 'y') 230 { 231 return (FALSE); 232 } 233 } 234 235 return (TRUE); 236 } 237 238 239 /******************************************************************************* 240 * 241 * FUNCTION: UtDisplaySupportedTables 242 * 243 * PARAMETERS: None 244 * 245 * RETURN: None 246 * 247 * DESCRIPTION: Print all supported ACPI table names. 248 * 249 ******************************************************************************/ 250 251 void 252 UtDisplaySupportedTables ( 253 void) 254 { 255 const AH_TABLE *TableData; 256 UINT32 i; 257 258 259 printf ("\nACPI tables supported by iASL version %8.8X:\n" 260 " (Compiler, Disassembler, Template Generator)\n\n", 261 ACPI_CA_VERSION); 262 263 /* All ACPI tables with the common table header */ 264 265 printf ("\n Supported ACPI tables:\n"); 266 for (TableData = Gbl_AcpiSupportedTables, i = 1; 267 TableData->Signature; TableData++, i++) 268 { 269 printf ("%8u) %s %s\n", i, 270 TableData->Signature, TableData->Description); 271 } 272 } 273 274 275 /******************************************************************************* 276 * 277 * FUNCTION: UtDisplayConstantOpcodes 278 * 279 * PARAMETERS: None 280 * 281 * RETURN: None 282 * 283 * DESCRIPTION: Print AML opcodes that can be used in constant expressions. 284 * 285 ******************************************************************************/ 286 287 void 288 UtDisplayConstantOpcodes ( 289 void) 290 { 291 UINT32 i; 292 293 294 printf ("Constant expression opcode information\n\n"); 295 296 for (i = 0; i < sizeof (AcpiGbl_AmlOpInfo) / sizeof (ACPI_OPCODE_INFO); i++) 297 { 298 if (AcpiGbl_AmlOpInfo[i].Flags & AML_CONSTANT) 299 { 300 printf ("%s\n", AcpiGbl_AmlOpInfo[i].Name); 301 } 302 } 303 } 304 305 306 /******************************************************************************* 307 * 308 * FUNCTION: UtLocalCalloc 309 * 310 * PARAMETERS: Size - Bytes to be allocated 311 * 312 * RETURN: Pointer to the allocated memory. Guaranteed to be valid. 313 * 314 * DESCRIPTION: Allocate zero-initialized memory. Aborts the compile on an 315 * allocation failure, on the assumption that nothing more can be 316 * accomplished. 317 * 318 ******************************************************************************/ 319 320 void * 321 UtLocalCalloc ( 322 UINT32 Size) 323 { 324 void *Allocated; 325 326 327 Allocated = ACPI_ALLOCATE_ZEROED (Size); 328 if (!Allocated) 329 { 330 AslCommonError (ASL_ERROR, ASL_MSG_MEMORY_ALLOCATION, 331 Gbl_CurrentLineNumber, Gbl_LogicalLineNumber, 332 Gbl_InputByteCount, Gbl_CurrentColumn, 333 Gbl_Files[ASL_FILE_INPUT].Filename, NULL); 334 335 CmCleanupAndExit (); 336 exit (1); 337 } 338 339 TotalAllocations++; 340 TotalAllocated += Size; 341 return (Allocated); 342 } 343 344 345 /******************************************************************************* 346 * 347 * FUNCTION: UtBeginEvent 348 * 349 * PARAMETERS: Name - Ascii name of this event 350 * 351 * RETURN: Event number (integer index) 352 * 353 * DESCRIPTION: Saves the current time with this event 354 * 355 ******************************************************************************/ 356 357 UINT8 358 UtBeginEvent ( 359 char *Name) 360 { 361 362 if (AslGbl_NextEvent >= ASL_NUM_EVENTS) 363 { 364 AcpiOsPrintf ("Ran out of compiler event structs!\n"); 365 return (AslGbl_NextEvent); 366 } 367 368 /* Init event with current (start) time */ 369 370 AslGbl_Events[AslGbl_NextEvent].StartTime = AcpiOsGetTimer (); 371 AslGbl_Events[AslGbl_NextEvent].EventName = Name; 372 AslGbl_Events[AslGbl_NextEvent].Valid = TRUE; 373 return (AslGbl_NextEvent++); 374 } 375 376 377 /******************************************************************************* 378 * 379 * FUNCTION: UtEndEvent 380 * 381 * PARAMETERS: Event - Event number (integer index) 382 * 383 * RETURN: None 384 * 385 * DESCRIPTION: Saves the current time (end time) with this event 386 * 387 ******************************************************************************/ 388 389 void 390 UtEndEvent ( 391 UINT8 Event) 392 { 393 394 if (Event >= ASL_NUM_EVENTS) 395 { 396 return; 397 } 398 399 /* Insert end time for event */ 400 401 AslGbl_Events[Event].EndTime = AcpiOsGetTimer (); 402 } 403 404 405 /******************************************************************************* 406 * 407 * FUNCTION: DbgPrint 408 * 409 * PARAMETERS: Type - Type of output 410 * Fmt - Printf format string 411 * ... - variable printf list 412 * 413 * RETURN: None 414 * 415 * DESCRIPTION: Conditional print statement. Prints to stderr only if the 416 * debug flag is set. 417 * 418 ******************************************************************************/ 419 420 void 421 DbgPrint ( 422 UINT32 Type, 423 char *Fmt, 424 ...) 425 { 426 va_list Args; 427 428 429 if (!Gbl_DebugFlag) 430 { 431 return; 432 } 433 434 if ((Type == ASL_PARSE_OUTPUT) && 435 (!(AslCompilerdebug))) 436 { 437 return; 438 } 439 440 va_start (Args, Fmt); 441 (void) vfprintf (stderr, Fmt, Args); 442 va_end (Args); 443 return; 444 } 445 446 447 /******************************************************************************* 448 * 449 * FUNCTION: UtSetParseOpName 450 * 451 * PARAMETERS: Op - Parse op to be named. 452 * 453 * RETURN: None 454 * 455 * DESCRIPTION: Insert the ascii name of the parse opcode 456 * 457 ******************************************************************************/ 458 459 void 460 UtSetParseOpName ( 461 ACPI_PARSE_OBJECT *Op) 462 { 463 464 strncpy (Op->Asl.ParseOpName, UtGetOpName (Op->Asl.ParseOpcode), 465 ACPI_MAX_PARSEOP_NAME); 466 } 467 468 469 /******************************************************************************* 470 * 471 * FUNCTION: UtDisplaySummary 472 * 473 * PARAMETERS: FileID - ID of outpout file 474 * 475 * RETURN: None 476 * 477 * DESCRIPTION: Display compilation statistics 478 * 479 ******************************************************************************/ 480 481 void 482 UtDisplaySummary ( 483 UINT32 FileId) 484 { 485 UINT32 i; 486 487 488 if (FileId != ASL_FILE_STDOUT) 489 { 490 /* Compiler name and version number */ 491 492 FlPrintFile (FileId, "%s version %X\n\n", 493 ASL_COMPILER_NAME, (UINT32) ACPI_CA_VERSION); 494 } 495 496 /* Summary of main input and output files */ 497 498 if (Gbl_FileType == ASL_INPUT_TYPE_ASCII_DATA) 499 { 500 FlPrintFile (FileId, 501 "%-14s %s - %u lines, %u bytes, %u fields\n", 502 "Table Input:", 503 Gbl_Files[ASL_FILE_INPUT].Filename, Gbl_CurrentLineNumber, 504 Gbl_InputByteCount, Gbl_InputFieldCount); 505 506 if ((Gbl_ExceptionCount[ASL_ERROR] == 0) || (Gbl_IgnoreErrors)) 507 { 508 FlPrintFile (FileId, 509 "%-14s %s - %u bytes\n", 510 "Binary Output:", 511 Gbl_Files[ASL_FILE_AML_OUTPUT].Filename, Gbl_TableLength); 512 } 513 } 514 else 515 { 516 FlPrintFile (FileId, 517 "%-14s %s - %u lines, %u bytes, %u keywords\n", 518 "ASL Input:", 519 Gbl_Files[ASL_FILE_INPUT].Filename, Gbl_CurrentLineNumber, 520 Gbl_OriginalInputFileSize, TotalKeywords); 521 522 /* AML summary */ 523 524 if ((Gbl_ExceptionCount[ASL_ERROR] == 0) || (Gbl_IgnoreErrors)) 525 { 526 if (Gbl_Files[ASL_FILE_AML_OUTPUT].Handle) 527 { 528 FlPrintFile (FileId, 529 "%-14s %s - %u bytes, %u named objects, " 530 "%u executable opcodes\n", 531 "AML Output:", 532 Gbl_Files[ASL_FILE_AML_OUTPUT].Filename, 533 FlGetFileSize (ASL_FILE_AML_OUTPUT), 534 TotalNamedObjects, TotalExecutableOpcodes); 535 } 536 } 537 } 538 539 /* Display summary of any optional files */ 540 541 for (i = ASL_FILE_SOURCE_OUTPUT; i <= ASL_MAX_FILE_TYPE; i++) 542 { 543 if (!Gbl_Files[i].Filename || !Gbl_Files[i].Handle) 544 { 545 continue; 546 } 547 548 /* .SRC is a temp file unless specifically requested */ 549 550 if ((i == ASL_FILE_SOURCE_OUTPUT) && (!Gbl_SourceOutputFlag)) 551 { 552 continue; 553 } 554 555 /* .PRE is the preprocessor intermediate file */ 556 557 if ((i == ASL_FILE_PREPROCESSOR) && (!Gbl_KeepPreprocessorTempFile)) 558 { 559 continue; 560 } 561 562 FlPrintFile (FileId, "%14s %s - %u bytes\n", 563 Gbl_Files[i].ShortDescription, 564 Gbl_Files[i].Filename, FlGetFileSize (i)); 565 } 566 567 /* Error summary */ 568 569 FlPrintFile (FileId, 570 "\nCompilation complete. %u Errors, %u Warnings, %u Remarks", 571 Gbl_ExceptionCount[ASL_ERROR], 572 Gbl_ExceptionCount[ASL_WARNING] + 573 Gbl_ExceptionCount[ASL_WARNING2] + 574 Gbl_ExceptionCount[ASL_WARNING3], 575 Gbl_ExceptionCount[ASL_REMARK]); 576 577 if (Gbl_FileType != ASL_INPUT_TYPE_ASCII_DATA) 578 { 579 FlPrintFile (FileId, ", %u Optimizations", 580 Gbl_ExceptionCount[ASL_OPTIMIZATION]); 581 582 if (TotalFolds) 583 { 584 FlPrintFile (FileId, ", %u Constants Folded", TotalFolds); 585 } 586 } 587 588 FlPrintFile (FileId, "\n"); 589 } 590 591 592 /******************************************************************************* 593 * 594 * FUNCTION: UtCheckIntegerRange 595 * 596 * PARAMETERS: Op - Integer parse node 597 * LowValue - Smallest allowed value 598 * HighValue - Largest allowed value 599 * 600 * RETURN: Op if OK, otherwise NULL 601 * 602 * DESCRIPTION: Check integer for an allowable range 603 * 604 ******************************************************************************/ 605 606 ACPI_PARSE_OBJECT * 607 UtCheckIntegerRange ( 608 ACPI_PARSE_OBJECT *Op, 609 UINT32 LowValue, 610 UINT32 HighValue) 611 { 612 613 if (!Op) 614 { 615 return (NULL); 616 } 617 618 if ((Op->Asl.Value.Integer < LowValue) || 619 (Op->Asl.Value.Integer > HighValue)) 620 { 621 sprintf (MsgBuffer, "0x%X, allowable: 0x%X-0x%X", 622 (UINT32) Op->Asl.Value.Integer, LowValue, HighValue); 623 624 AslError (ASL_ERROR, ASL_MSG_RANGE, Op, MsgBuffer); 625 return (NULL); 626 } 627 628 return (Op); 629 } 630 631 632 /******************************************************************************* 633 * 634 * FUNCTION: UtStringCacheCalloc 635 * 636 * PARAMETERS: Length - Size of buffer requested 637 * 638 * RETURN: Pointer to the buffer. Aborts compiler on allocation failure 639 * 640 * DESCRIPTION: Allocate a string buffer. Bypass the local 641 * dynamic memory manager for performance reasons (This has a 642 * major impact on the speed of the compiler.) 643 * 644 ******************************************************************************/ 645 646 char * 647 UtStringCacheCalloc ( 648 UINT32 Length) 649 { 650 char *Buffer; 651 ASL_CACHE_INFO *Cache; 652 UINT32 CacheSize = ASL_STRING_CACHE_SIZE; 653 654 655 if (Length > CacheSize) 656 { 657 CacheSize = Length; 658 659 if (Gbl_StringCacheList) 660 { 661 Cache = UtLocalCalloc (sizeof (Cache->Next) + CacheSize); 662 663 /* Link new cache buffer just following head of list */ 664 665 Cache->Next = Gbl_StringCacheList->Next; 666 Gbl_StringCacheList->Next = Cache; 667 668 /* Leave cache management pointers alone as they pertain to head */ 669 670 Gbl_StringCount++; 671 Gbl_StringSize += Length; 672 673 return (Cache->Buffer); 674 } 675 } 676 677 if ((Gbl_StringCacheNext + Length) >= Gbl_StringCacheLast) 678 { 679 /* Allocate a new buffer */ 680 681 Cache = UtLocalCalloc (sizeof (Cache->Next) + CacheSize); 682 683 /* Link new cache buffer to head of list */ 684 685 Cache->Next = Gbl_StringCacheList; 686 Gbl_StringCacheList = Cache; 687 688 /* Setup cache management pointers */ 689 690 Gbl_StringCacheNext = Cache->Buffer; 691 Gbl_StringCacheLast = Gbl_StringCacheNext + CacheSize; 692 } 693 694 Gbl_StringCount++; 695 Gbl_StringSize += Length; 696 697 Buffer = Gbl_StringCacheNext; 698 Gbl_StringCacheNext += Length; 699 return (Buffer); 700 } 701 702 703 /****************************************************************************** 704 * 705 * FUNCTION: UtExpandLineBuffers 706 * 707 * PARAMETERS: None. Updates global line buffer pointers. 708 * 709 * RETURN: None. Reallocates the global line buffers 710 * 711 * DESCRIPTION: Called if the current line buffer becomes filled. Reallocates 712 * all global line buffers and updates Gbl_LineBufferSize. NOTE: 713 * Also used for the initial allocation of the buffers, when 714 * all of the buffer pointers are NULL. Initial allocations are 715 * of size ASL_DEFAULT_LINE_BUFFER_SIZE 716 * 717 *****************************************************************************/ 718 719 void 720 UtExpandLineBuffers ( 721 void) 722 { 723 UINT32 NewSize; 724 725 726 /* Attempt to double the size of all line buffers */ 727 728 NewSize = Gbl_LineBufferSize * 2; 729 if (Gbl_CurrentLineBuffer) 730 { 731 DbgPrint (ASL_DEBUG_OUTPUT, 732 "Increasing line buffer size from %u to %u\n", 733 Gbl_LineBufferSize, NewSize); 734 } 735 736 Gbl_CurrentLineBuffer = realloc (Gbl_CurrentLineBuffer, NewSize); 737 Gbl_LineBufPtr = Gbl_CurrentLineBuffer; 738 if (!Gbl_CurrentLineBuffer) 739 { 740 goto ErrorExit; 741 } 742 743 Gbl_MainTokenBuffer = realloc (Gbl_MainTokenBuffer, NewSize); 744 if (!Gbl_MainTokenBuffer) 745 { 746 goto ErrorExit; 747 } 748 749 Gbl_MacroTokenBuffer = realloc (Gbl_MacroTokenBuffer, NewSize); 750 if (!Gbl_MacroTokenBuffer) 751 { 752 goto ErrorExit; 753 } 754 755 Gbl_ExpressionTokenBuffer = realloc (Gbl_ExpressionTokenBuffer, NewSize); 756 if (!Gbl_ExpressionTokenBuffer) 757 { 758 goto ErrorExit; 759 } 760 761 Gbl_LineBufferSize = NewSize; 762 return; 763 764 765 /* On error above, simply issue error messages and abort, cannot continue */ 766 767 ErrorExit: 768 printf ("Could not increase line buffer size from %u to %u\n", 769 Gbl_LineBufferSize, Gbl_LineBufferSize * 2); 770 771 AslError (ASL_ERROR, ASL_MSG_BUFFER_ALLOCATION, 772 NULL, NULL); 773 AslAbort (); 774 } 775 776 777 /****************************************************************************** 778 * 779 * FUNCTION: UtFreeLineBuffers 780 * 781 * PARAMETERS: None 782 * 783 * RETURN: None 784 * 785 * DESCRIPTION: Free all line buffers 786 * 787 *****************************************************************************/ 788 789 void 790 UtFreeLineBuffers ( 791 void) 792 { 793 794 free (Gbl_CurrentLineBuffer); 795 free (Gbl_MainTokenBuffer); 796 free (Gbl_MacroTokenBuffer); 797 free (Gbl_ExpressionTokenBuffer); 798 } 799 800 801 /******************************************************************************* 802 * 803 * FUNCTION: UtInternalizeName 804 * 805 * PARAMETERS: ExternalName - Name to convert 806 * ConvertedName - Where the converted name is returned 807 * 808 * RETURN: Status 809 * 810 * DESCRIPTION: Convert an external (ASL) name to an internal (AML) name 811 * 812 ******************************************************************************/ 813 814 ACPI_STATUS 815 UtInternalizeName ( 816 char *ExternalName, 817 char **ConvertedName) 818 { 819 ACPI_NAMESTRING_INFO Info; 820 ACPI_STATUS Status; 821 822 823 if (!ExternalName) 824 { 825 return (AE_OK); 826 } 827 828 /* Get the length of the new internal name */ 829 830 Info.ExternalName = ExternalName; 831 AcpiNsGetInternalNameLength (&Info); 832 833 /* We need a segment to store the internal name */ 834 835 Info.InternalName = UtStringCacheCalloc (Info.Length); 836 837 /* Build the name */ 838 839 Status = AcpiNsBuildInternalName (&Info); 840 if (ACPI_FAILURE (Status)) 841 { 842 return (Status); 843 } 844 845 *ConvertedName = Info.InternalName; 846 return (AE_OK); 847 } 848 849 850 /******************************************************************************* 851 * 852 * FUNCTION: UtPadNameWithUnderscores 853 * 854 * PARAMETERS: NameSeg - Input nameseg 855 * PaddedNameSeg - Output padded nameseg 856 * 857 * RETURN: Padded nameseg. 858 * 859 * DESCRIPTION: Pads a NameSeg with underscores if necessary to form a full 860 * ACPI_NAME. 861 * 862 ******************************************************************************/ 863 864 static void 865 UtPadNameWithUnderscores ( 866 char *NameSeg, 867 char *PaddedNameSeg) 868 { 869 UINT32 i; 870 871 872 for (i = 0; (i < ACPI_NAME_SIZE); i++) 873 { 874 if (*NameSeg) 875 { 876 *PaddedNameSeg = *NameSeg; 877 NameSeg++; 878 } 879 else 880 { 881 *PaddedNameSeg = '_'; 882 } 883 884 PaddedNameSeg++; 885 } 886 } 887 888 889 /******************************************************************************* 890 * 891 * FUNCTION: UtAttachNameseg 892 * 893 * PARAMETERS: Op - Parent parse node 894 * Name - Full ExternalName 895 * 896 * RETURN: None; Sets the NameSeg field in parent node 897 * 898 * DESCRIPTION: Extract the last nameseg of the ExternalName and store it 899 * in the NameSeg field of the Op. 900 * 901 ******************************************************************************/ 902 903 static void 904 UtAttachNameseg ( 905 ACPI_PARSE_OBJECT *Op, 906 char *Name) 907 { 908 char *NameSeg; 909 char PaddedNameSeg[4]; 910 911 912 if (!Name) 913 { 914 return; 915 } 916 917 /* Look for the last dot in the namepath */ 918 919 NameSeg = strrchr (Name, '.'); 920 if (NameSeg) 921 { 922 /* Found last dot, we have also found the final nameseg */ 923 924 NameSeg++; 925 UtPadNameWithUnderscores (NameSeg, PaddedNameSeg); 926 } 927 else 928 { 929 /* No dots in the namepath, there is only a single nameseg. */ 930 /* Handle prefixes */ 931 932 while (ACPI_IS_ROOT_PREFIX (*Name) || 933 ACPI_IS_PARENT_PREFIX (*Name)) 934 { 935 Name++; 936 } 937 938 /* Remaining string should be one single nameseg */ 939 940 UtPadNameWithUnderscores (Name, PaddedNameSeg); 941 } 942 943 ACPI_MOVE_NAME (Op->Asl.NameSeg, PaddedNameSeg); 944 } 945 946 947 /******************************************************************************* 948 * 949 * FUNCTION: UtAttachNamepathToOwner 950 * 951 * PARAMETERS: Op - Parent parse node 952 * NameOp - Node that contains the name 953 * 954 * RETURN: Sets the ExternalName and Namepath in the parent node 955 * 956 * DESCRIPTION: Store the name in two forms in the parent node: The original 957 * (external) name, and the internalized name that is used within 958 * the ACPI namespace manager. 959 * 960 ******************************************************************************/ 961 962 void 963 UtAttachNamepathToOwner ( 964 ACPI_PARSE_OBJECT *Op, 965 ACPI_PARSE_OBJECT *NameOp) 966 { 967 ACPI_STATUS Status; 968 969 970 /* Full external path */ 971 972 Op->Asl.ExternalName = NameOp->Asl.Value.String; 973 974 /* Save the NameOp for possible error reporting later */ 975 976 Op->Asl.ParentMethod = (void *) NameOp; 977 978 /* Last nameseg of the path */ 979 980 UtAttachNameseg (Op, Op->Asl.ExternalName); 981 982 /* Create internalized path */ 983 984 Status = UtInternalizeName (NameOp->Asl.Value.String, &Op->Asl.Namepath); 985 if (ACPI_FAILURE (Status)) 986 { 987 /* TBD: abort on no memory */ 988 } 989 } 990 991 992 /******************************************************************************* 993 * 994 * FUNCTION: UtDoConstant 995 * 996 * PARAMETERS: String - Hexadecimal or decimal string 997 * 998 * RETURN: Converted Integer 999 * 1000 * DESCRIPTION: Convert a string to an integer, with error checking. 1001 * 1002 ******************************************************************************/ 1003 1004 UINT64 1005 UtDoConstant ( 1006 char *String) 1007 { 1008 ACPI_STATUS Status; 1009 UINT64 Converted; 1010 char ErrBuf[64]; 1011 1012 1013 Status = AcpiUtStrtoul64 (String, ACPI_STRTOUL_64BIT, &Converted); 1014 if (ACPI_FAILURE (Status)) 1015 { 1016 sprintf (ErrBuf, "%s %s\n", "Conversion error:", 1017 AcpiFormatException (Status)); 1018 AslCompilererror (ErrBuf); 1019 } 1020 1021 return (Converted); 1022 } 1023