1 /****************************************************************************** 2 * 3 * Module Name: dtfield.c - Code generation for individual source fields 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2023, 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> 153 154 #define _COMPONENT DT_COMPILER 155 ACPI_MODULE_NAME ("dtfield") 156 157 158 /* Local prototypes */ 159 160 static void 161 DtCompileString ( 162 UINT8 *Buffer, 163 DT_FIELD *Field, 164 UINT32 ByteLength); 165 166 static void 167 DtCompileUnicode ( 168 UINT8 *Buffer, 169 DT_FIELD *Field, 170 UINT32 ByteLength); 171 172 static ACPI_STATUS 173 DtCompileUuid ( 174 UINT8 *Buffer, 175 DT_FIELD *Field, 176 UINT32 ByteLength); 177 178 static char * 179 DtNormalizeBuffer ( 180 char *Buffer, 181 UINT32 *Count); 182 183 184 /****************************************************************************** 185 * 186 * FUNCTION: DtCompileOneField 187 * 188 * PARAMETERS: Buffer - Output buffer 189 * Field - Field to be compiled 190 * ByteLength - Byte length of the field 191 * Type - Field type 192 * 193 * RETURN: None 194 * 195 * DESCRIPTION: Compile a field value to binary 196 * 197 *****************************************************************************/ 198 199 void 200 DtCompileOneField ( 201 UINT8 *Buffer, 202 DT_FIELD *Field, 203 UINT32 ByteLength, 204 UINT8 Type, 205 UINT8 Flags) 206 { 207 ACPI_STATUS Status; 208 209 210 switch (Type) 211 { 212 case DT_FIELD_TYPE_INTEGER: 213 214 DtCompileInteger (Buffer, Field, ByteLength, Flags); 215 break; 216 217 case DT_FIELD_TYPE_STRING: 218 219 DtCompileString (Buffer, Field, ByteLength); 220 break; 221 222 case DT_FIELD_TYPE_UUID: 223 224 Status = DtCompileUuid (Buffer, Field, ByteLength); 225 if (ACPI_SUCCESS (Status)) 226 { 227 break; 228 } 229 230 ACPI_FALLTHROUGH; 231 232 case DT_FIELD_TYPE_BUFFER: 233 234 DtCompileBuffer (Buffer, Field->Value, Field, ByteLength); 235 break; 236 237 case DT_FIELD_TYPE_UNICODE: 238 239 DtCompileUnicode (Buffer, Field, ByteLength); 240 break; 241 242 case DT_FIELD_TYPE_DEVICE_PATH: 243 244 break; 245 246 default: 247 248 DtFatal (ASL_MSG_COMPILER_INTERNAL, Field, "Invalid field type"); 249 break; 250 } 251 } 252 253 254 /****************************************************************************** 255 * 256 * FUNCTION: DtCompileString 257 * 258 * PARAMETERS: Buffer - Output buffer 259 * Field - String to be copied to buffer 260 * ByteLength - Maximum length of string 261 * 262 * RETURN: None 263 * 264 * DESCRIPTION: Copy string to the buffer 265 * 266 *****************************************************************************/ 267 268 static void 269 DtCompileString ( 270 UINT8 *Buffer, 271 DT_FIELD *Field, 272 UINT32 ByteLength) 273 { 274 UINT32 Length; 275 276 277 Length = strlen (Field->Value); 278 279 /* Check if the string is too long for the field */ 280 281 if (Length > ByteLength) 282 { 283 sprintf (AslGbl_MsgBuffer, 284 "Maximum %u characters, found %u characters [%s]", 285 ByteLength, Length, Field->Value); 286 DtError (ASL_ERROR, ASL_MSG_STRING_LENGTH, Field, AslGbl_MsgBuffer); 287 Length = ByteLength; 288 } 289 290 memcpy (Buffer, Field->Value, Length); 291 } 292 293 294 /****************************************************************************** 295 * 296 * FUNCTION: DtCompileUnicode 297 * 298 * PARAMETERS: Buffer - Output buffer 299 * Field - String to be copied to buffer 300 * ByteLength - Maximum length of string 301 * 302 * RETURN: None 303 * 304 * DESCRIPTION: Convert ASCII string to Unicode string 305 * 306 * Note: The Unicode string is 16 bits per character, no leading signature, 307 * with a 16-bit terminating NULL. 308 * 309 *****************************************************************************/ 310 311 static void 312 DtCompileUnicode ( 313 UINT8 *Buffer, 314 DT_FIELD *Field, 315 UINT32 ByteLength) 316 { 317 UINT32 Count; 318 UINT32 i; 319 char *AsciiString; 320 UINT16 *UnicodeString; 321 322 323 AsciiString = Field->Value; 324 UnicodeString = (UINT16 *) Buffer; 325 Count = strlen (AsciiString) + 1; 326 327 /* Convert to Unicode string (including null terminator) */ 328 329 for (i = 0; i < Count; i++) 330 { 331 UnicodeString[i] = (UINT16) AsciiString[i]; 332 } 333 } 334 335 336 /******************************************************************************* 337 * 338 * FUNCTION: DtCompileUuid 339 * 340 * PARAMETERS: Buffer - Output buffer 341 * Field - String to be copied to buffer 342 * ByteLength - Maximum length of string 343 * 344 * RETURN: None 345 * 346 * DESCRIPTION: Convert UUID string to 16-byte buffer 347 * 348 ******************************************************************************/ 349 350 static ACPI_STATUS 351 DtCompileUuid ( 352 UINT8 *Buffer, 353 DT_FIELD *Field, 354 UINT32 ByteLength) 355 { 356 char *InString; 357 ACPI_STATUS Status; 358 359 360 InString = Field->Value; 361 362 Status = AuValidateUuid (InString); 363 if (ACPI_FAILURE (Status)) 364 { 365 sprintf (AslGbl_MsgBuffer, "%s", Field->Value); 366 DtNameError (ASL_ERROR, ASL_MSG_INVALID_UUID, Field, AslGbl_MsgBuffer); 367 } 368 else 369 { 370 AcpiUtConvertStringToUuid (InString, Buffer); 371 } 372 373 return (Status); 374 } 375 376 377 /****************************************************************************** 378 * 379 * FUNCTION: DtCompileInteger 380 * 381 * PARAMETERS: Buffer - Output buffer 382 * Field - Field obj with Integer to be compiled 383 * ByteLength - Byte length of the integer 384 * Flags - Additional compile info 385 * 386 * RETURN: None 387 * 388 * DESCRIPTION: Compile an integer. Supports integer expressions with C-style 389 * operators. 390 * 391 *****************************************************************************/ 392 393 void 394 DtCompileInteger ( 395 UINT8 *Buffer, 396 DT_FIELD *Field, 397 UINT32 ByteLength, 398 UINT8 Flags) 399 { 400 UINT64 Value; 401 UINT64 MaxValue; 402 ACPI_STATUS Status; 403 404 405 /* Output buffer byte length must be in range 1-8 */ 406 407 if ((ByteLength > 8) || (ByteLength == 0)) 408 { 409 DtFatal (ASL_MSG_COMPILER_INTERNAL, Field, 410 "Invalid internal Byte length"); 411 return; 412 } 413 414 /* Resolve integer expression to a single integer value */ 415 416 Status = DtResolveIntegerExpression (Field, &Value); 417 if (ACPI_FAILURE (Status)) 418 { 419 return; 420 } 421 422 /* 423 * Ensure that reserved fields are set properly. Note: uses 424 * the DT_NON_ZERO flag to indicate that the reserved value 425 * must be exactly one. Otherwise, the value must be zero. 426 * This is sufficient for now. 427 */ 428 429 /* TBD: Should use a flag rather than compare "Reserved" */ 430 431 if (!strcmp (Field->Name, "Reserved")) 432 { 433 if (Flags & DT_NON_ZERO) 434 { 435 if (Value != 1) 436 { 437 DtError (ASL_ERROR, ASL_MSG_RESERVED_FIELD, Field, 438 "Must be one, setting to one"); 439 Value = 1; 440 } 441 } 442 else if (Value != 0) 443 { 444 DtError (ASL_ERROR, ASL_MSG_RESERVED_FIELD, Field, 445 "Must be zero, setting to zero"); 446 Value = 0; 447 } 448 } 449 450 /* Check if the value must be non-zero */ 451 452 else if ((Flags & DT_NON_ZERO) && (Value == 0)) 453 { 454 DtError (ASL_ERROR, ASL_MSG_ZERO_VALUE, Field, NULL); 455 } 456 457 /* 458 * Generate the maximum value for the data type (ByteLength) 459 * Note: construct chosen for maximum portability 460 */ 461 MaxValue = ((UINT64) (-1)) >> (64 - (ByteLength * 8)); 462 463 /* Validate that the input value is within range of the target */ 464 465 if (Value > MaxValue) 466 { 467 sprintf (AslGbl_MsgBuffer, "%8.8X%8.8X - max %u bytes", 468 ACPI_FORMAT_UINT64 (Value), ByteLength); 469 DtError (ASL_ERROR, ASL_MSG_INTEGER_SIZE, Field, AslGbl_MsgBuffer); 470 } 471 472 memcpy (Buffer, &Value, ByteLength); 473 return; 474 } 475 476 477 /****************************************************************************** 478 * 479 * FUNCTION: DtNormalizeBuffer 480 * 481 * PARAMETERS: Buffer - Input buffer 482 * Count - Output the count of hex numbers in 483 * the Buffer 484 * 485 * RETURN: The normalized buffer, must be freed by caller 486 * 487 * DESCRIPTION: [1A,2B,3C,4D] or 1A, 2B, 3C, 4D will be normalized 488 * to 1A 2B 3C 4D 489 * 490 *****************************************************************************/ 491 492 static char * 493 DtNormalizeBuffer ( 494 char *Buffer, 495 UINT32 *Count) 496 { 497 char *NewBuffer; 498 char *TmpBuffer; 499 UINT32 BufferCount = 0; 500 BOOLEAN Separator = TRUE; 501 char c; 502 503 504 NewBuffer = UtLocalCalloc (strlen (Buffer) + 1); 505 TmpBuffer = NewBuffer; 506 507 while ((c = *Buffer++)) 508 { 509 switch (c) 510 { 511 /* Valid separators */ 512 513 case '[': 514 case ']': 515 case ' ': 516 case ',': 517 518 Separator = TRUE; 519 break; 520 521 default: 522 523 if (Separator) 524 { 525 /* Insert blank as the standard separator */ 526 527 if (NewBuffer[0]) 528 { 529 *TmpBuffer++ = ' '; 530 BufferCount++; 531 } 532 533 Separator = FALSE; 534 } 535 536 *TmpBuffer++ = c; 537 break; 538 } 539 } 540 541 *Count = BufferCount + 1; 542 return (NewBuffer); 543 } 544 545 546 /****************************************************************************** 547 * 548 * FUNCTION: DtCompileBuffer 549 * 550 * PARAMETERS: Buffer - Output buffer 551 * StringValue - Integer list to be compiled 552 * Field - Current field object 553 * ByteLength - Byte length of the integer list 554 * 555 * RETURN: Count of remaining data in the input list 556 * 557 * DESCRIPTION: Compile and pack an integer list, for example 558 * "AA 1F 20 3B" ==> Buffer[] = {0xAA,0x1F,0x20,0x3B} 559 * 560 *****************************************************************************/ 561 562 UINT32 563 DtCompileBuffer ( 564 UINT8 *Buffer, 565 char *StringValue, 566 DT_FIELD *Field, 567 UINT32 ByteLength) 568 { 569 char *Substring; 570 ACPI_STATUS Status; 571 UINT32 Count; 572 UINT32 i; 573 574 575 /* Allow several different types of value separators */ 576 577 StringValue = DtNormalizeBuffer (StringValue, &Count); 578 Substring = StringValue; 579 if (Count != ByteLength) 580 { 581 sprintf(AslGbl_MsgBuffer, 582 "Found %u values, must match expected count: %u", 583 Count, ByteLength); 584 DtError (ASL_ERROR, ASL_MSG_BUFFER_LIST, Field, AslGbl_MsgBuffer); 585 goto Exit; 586 } 587 588 /* Each element of StringValue is now three chars (2 hex + 1 space) */ 589 590 for (i = 0; i < Count; i++, Substring += 3) 591 { 592 /* Check for byte value too long */ 593 594 if (*(&Substring[2]) && 595 (*(&Substring[2]) != ' ')) 596 { 597 DtError (ASL_ERROR, ASL_MSG_BUFFER_ELEMENT, Field, Substring); 598 goto Exit; 599 } 600 601 /* Convert two ASCII characters to one hex byte */ 602 603 Status = AcpiUtAsciiToHexByte (Substring, &Buffer[i]); 604 if (ACPI_FAILURE (Status)) 605 { 606 DtError (ASL_ERROR, ASL_MSG_BUFFER_ELEMENT, Field, Substring); 607 goto Exit; 608 } 609 } 610 611 Exit: 612 ACPI_FREE (StringValue); 613 return (ByteLength - Count); 614 } 615 616 617 /****************************************************************************** 618 * 619 * FUNCTION: DtCompileFlag 620 * 621 * PARAMETERS: Buffer - Output buffer 622 * Field - Field to be compiled 623 * Info - Flag info 624 * 625 * RETURN: None 626 * 627 * DESCRIPTION: Compile a flag field. Handles flags up to 64 bits. 628 * 629 *****************************************************************************/ 630 631 void 632 DtCompileFlag ( 633 UINT8 *Buffer, 634 DT_FIELD *Field, 635 ACPI_DMTABLE_INFO *Info) 636 { 637 UINT64 Value = 0; 638 UINT32 BitLength = 1; 639 UINT8 BitPosition = 0; 640 641 642 Value = AcpiUtImplicitStrtoul64 (Field->Value); 643 644 switch (Info->Opcode) 645 { 646 case ACPI_DMT_FLAG0: 647 case ACPI_DMT_FLAG1: 648 case ACPI_DMT_FLAG2: 649 case ACPI_DMT_FLAG3: 650 case ACPI_DMT_FLAG4: 651 case ACPI_DMT_FLAG5: 652 case ACPI_DMT_FLAG6: 653 case ACPI_DMT_FLAG7: 654 655 BitPosition = Info->Opcode; 656 BitLength = 1; 657 break; 658 659 case ACPI_DMT_FLAGS0: 660 661 BitPosition = 0; 662 BitLength = 2; 663 break; 664 665 666 case ACPI_DMT_FLAGS1: 667 668 BitPosition = 1; 669 BitLength = 2; 670 break; 671 672 673 case ACPI_DMT_FLAGS2: 674 675 BitPosition = 2; 676 BitLength = 2; 677 break; 678 679 case ACPI_DMT_FLAGS8_2: 680 681 BitPosition = 2; 682 BitLength = 8; 683 break; 684 685 case ACPI_DMT_FLAGS4: 686 687 BitPosition = 4; 688 BitLength = 2; 689 break; 690 691 case ACPI_DMT_FLAGS4_0: 692 693 BitPosition = 0; 694 BitLength = 4; 695 break; 696 697 case ACPI_DMT_FLAGS4_4: 698 699 BitPosition = 4; 700 BitLength = 4; 701 break; 702 703 case ACPI_DMT_FLAGS4_8: 704 705 BitPosition = 8; 706 BitLength = 4; 707 break; 708 709 case ACPI_DMT_FLAGS4_12: 710 711 BitPosition = 12; 712 BitLength = 4; 713 break; 714 715 case ACPI_DMT_FLAGS16_16: 716 717 BitPosition = 16; 718 BitLength = 16; 719 break; 720 721 default: 722 723 DtFatal (ASL_MSG_COMPILER_INTERNAL, Field, "Invalid flag opcode"); 724 break; 725 } 726 727 /* Check range of the input flag value */ 728 729 if (Value >= ((UINT64) 1 << BitLength)) 730 { 731 sprintf (AslGbl_MsgBuffer, "Maximum %u bit", BitLength); 732 DtError (ASL_ERROR, ASL_MSG_FLAG_VALUE, Field, AslGbl_MsgBuffer); 733 Value = 0; 734 } 735 736 *Buffer |= (UINT8) (Value << BitPosition); 737 } 738 739 740 /****************************************************************************** 741 * 742 * FUNCTION: DtCreateField 743 * 744 * PARAMETERS: Name 745 * Value 746 * Line 747 * Offset 748 * Column 749 * NameColumn 750 * 751 * RETURN: None 752 * 753 * DESCRIPTION: Create a field 754 * 755 *****************************************************************************/ 756 757 void 758 DtCreateField ( 759 DT_TABLE_UNIT *FieldKey, 760 DT_TABLE_UNIT *FieldValue, 761 UINT32 Offset) 762 { 763 DT_FIELD *Field = UtFieldCacheCalloc (); 764 765 766 Field->StringLength = 0; 767 if (FieldKey->Value) 768 { 769 Field->Name = 770 strcpy (UtLocalCacheCalloc (strlen (FieldKey->Value) + 1), FieldKey->Value); 771 } 772 773 if (FieldValue->Value) 774 { 775 Field->StringLength = strlen (FieldValue->Value); 776 Field->Value = 777 strcpy (UtLocalCacheCalloc (Field->StringLength + 1), FieldValue->Value); 778 } 779 780 Field->Line = FieldValue->Line; 781 Field->ByteOffset = Offset; 782 Field->NameColumn = FieldKey->Column; 783 Field->Column = FieldValue->Column; 784 DtLinkField (Field); 785 786 DtDumpFieldList (AslGbl_FieldList); 787 } 788 789 790 /****************************************************************************** 791 * 792 * FUNCTION: DtCreateTableUnit 793 * 794 * PARAMETERS: Data 795 * Line 796 * Column 797 * 798 * RETURN: a table unit 799 * 800 * DESCRIPTION: Create a table unit 801 * 802 *****************************************************************************/ 803 804 DT_TABLE_UNIT * 805 DtCreateTableUnit ( 806 char *Data, 807 UINT32 Line, 808 UINT32 Column) 809 { 810 DT_TABLE_UNIT *Unit = (DT_TABLE_UNIT *) UtFieldCacheCalloc (); 811 812 813 Unit->Value = Data; 814 Unit->Line = Line; 815 Unit->Column = Column; 816 return (Unit); 817 } 818 819 820 /****************************************************************************** 821 * 822 * FUNCTION: DtLinkField 823 * 824 * PARAMETERS: Field - New field object to link 825 * 826 * RETURN: None 827 * 828 * DESCRIPTION: Link one field name and value to the list 829 * 830 *****************************************************************************/ 831 832 void 833 DtLinkField ( 834 DT_FIELD *Field) 835 { 836 DT_FIELD *Prev; 837 DT_FIELD *Next; 838 839 840 Prev = Next = AslGbl_FieldList; 841 842 while (Next) 843 { 844 Prev = Next; 845 Next = Next->Next; 846 } 847 848 if (Prev) 849 { 850 Prev->Next = Field; 851 } 852 else 853 { 854 AslGbl_FieldList = Field; 855 } 856 } 857