1 /****************************************************************************** 2 * 3 * Module Name: dtcompile.c - Front-end for data table compiler 4 * 5 *****************************************************************************/ 6 7 /****************************************************************************** 8 * 9 * 1. Copyright Notice 10 * 11 * Some or all of this work - Copyright (c) 1999 - 2019, 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 #define _DECLARE_DT_GLOBALS 153 154 #include <contrib/dev/acpica/compiler/aslcompiler.h> 155 156 #define _COMPONENT DT_COMPILER 157 ACPI_MODULE_NAME ("dtcompile") 158 159 static char VersionString[9]; 160 161 162 /* Local prototypes */ 163 164 static ACPI_STATUS 165 DtInitialize ( 166 void); 167 168 static ACPI_STATUS 169 DtCompileDataTable ( 170 DT_FIELD **Field); 171 172 static void 173 DtInsertCompilerIds ( 174 DT_FIELD *FieldList); 175 176 177 /****************************************************************************** 178 * 179 * FUNCTION: DtDoCompile 180 * 181 * PARAMETERS: None 182 * 183 * RETURN: Status 184 * 185 * DESCRIPTION: Main entry point for the data table compiler. 186 * 187 * Note: Assumes AslGbl_Files[ASL_FILE_INPUT] is initialized and the file is 188 * open at seek offset zero. 189 * 190 *****************************************************************************/ 191 192 ACPI_STATUS 193 DtDoCompile ( 194 void) 195 { 196 ACPI_STATUS Status; 197 UINT8 Event; 198 DT_FIELD *FieldList; 199 200 201 /* Initialize globals */ 202 203 Status = DtInitialize (); 204 if (ACPI_FAILURE (Status)) 205 { 206 printf ("Error during compiler initialization, 0x%X\n", Status); 207 return (Status); 208 } 209 210 /* Preprocessor */ 211 212 if (AslGbl_PreprocessFlag) 213 { 214 /* Preprocessor */ 215 216 Event = UtBeginEvent ("Preprocess input file"); 217 PrDoPreprocess (); 218 UtEndEvent (Event); 219 220 if (AslGbl_PreprocessOnly) 221 { 222 return (AE_OK); 223 } 224 } 225 226 /* 227 * Scan the input file (file is already open) and 228 * build the parse tree 229 */ 230 Event = UtBeginEvent ("Scan and parse input file"); 231 FieldList = DtScanFile (AslGbl_Files[ASL_FILE_INPUT].Handle); 232 UtEndEvent (Event); 233 234 /* Did the parse tree get successfully constructed? */ 235 236 if (!FieldList) 237 { 238 /* TBD: temporary error message. Msgs should come from function above */ 239 240 DtError (ASL_ERROR, ASL_MSG_SYNTAX, NULL, 241 "Input file does not appear to be an ASL or data table source file"); 242 243 return (AE_ERROR); 244 } 245 246 Event = UtBeginEvent ("Compile parse tree"); 247 248 /* 249 * Compile the parse tree 250 */ 251 Status = DtCompileDataTable (&FieldList); 252 UtEndEvent (Event); 253 254 if (ACPI_FAILURE (Status)) 255 { 256 /* TBD: temporary error message. Msgs should come from function above */ 257 258 DtError (ASL_ERROR, ASL_MSG_SYNTAX, NULL, 259 "Could not compile input file"); 260 261 return (Status); 262 } 263 264 /* Create/open the binary output file */ 265 266 AslGbl_Files[ASL_FILE_AML_OUTPUT].Filename = NULL; 267 Status = FlOpenAmlOutputFile (AslGbl_OutputFilenamePrefix); 268 if (ACPI_FAILURE (Status)) 269 { 270 return (Status); 271 } 272 273 /* Write the binary, then the optional hex file */ 274 275 DtOutputBinary (AslGbl_RootTable); 276 HxDoHexOutput (); 277 DtWriteTableToListing (); 278 279 return (Status); 280 } 281 282 283 /****************************************************************************** 284 * 285 * FUNCTION: DtInitialize 286 * 287 * PARAMETERS: None 288 * 289 * RETURN: Status 290 * 291 * DESCRIPTION: Initialize data table compiler globals. Enables multiple 292 * compiles per invocation. 293 * 294 *****************************************************************************/ 295 296 static ACPI_STATUS 297 DtInitialize ( 298 void) 299 { 300 ACPI_STATUS Status; 301 302 303 Status = AcpiOsInitialize (); 304 if (ACPI_FAILURE (Status)) 305 { 306 return (Status); 307 } 308 309 Status = AcpiUtInitGlobals (); 310 if (ACPI_FAILURE (Status)) 311 { 312 return (Status); 313 } 314 315 AcpiUtSetIntegerWidth (2); /* Set width to 64 bits */ 316 317 AslGbl_FieldList = NULL; 318 AslGbl_RootTable = NULL; 319 AslGbl_SubtableStack = NULL; 320 321 sprintf (VersionString, "%X", (UINT32) ACPI_CA_VERSION); 322 return (AE_OK); 323 } 324 325 326 /****************************************************************************** 327 * 328 * FUNCTION: DtInsertCompilerIds 329 * 330 * PARAMETERS: FieldList - Current field list pointer 331 * 332 * RETURN: None 333 * 334 * DESCRIPTION: Insert the IDs (Name, Version) of the current compiler into 335 * the original ACPI table header. 336 * 337 *****************************************************************************/ 338 339 static void 340 DtInsertCompilerIds ( 341 DT_FIELD *FieldList) 342 { 343 DT_FIELD *Next; 344 UINT32 i; 345 346 347 /* 348 * Don't insert current compiler ID if requested. Used for compiler 349 * debug/validation only. 350 */ 351 if (AslGbl_UseOriginalCompilerId) 352 { 353 return; 354 } 355 356 /* Walk to the Compiler fields at the end of the header */ 357 358 Next = FieldList; 359 for (i = 0; i < 7; i++) 360 { 361 Next = Next->Next; 362 } 363 364 Next->Value = ASL_CREATOR_ID; 365 Next->Flags = DT_FIELD_NOT_ALLOCATED; 366 367 Next = Next->Next; 368 Next->Value = VersionString; 369 Next->Flags = DT_FIELD_NOT_ALLOCATED; 370 } 371 372 373 /****************************************************************************** 374 * 375 * FUNCTION: DtCompileDataTable 376 * 377 * PARAMETERS: FieldList - Current field list pointer 378 * 379 * RETURN: Status 380 * 381 * DESCRIPTION: Entry point to compile one data table 382 * 383 *****************************************************************************/ 384 385 static ACPI_STATUS 386 DtCompileDataTable ( 387 DT_FIELD **FieldList) 388 { 389 const ACPI_DMTABLE_DATA *TableData; 390 DT_SUBTABLE *Subtable; 391 char *Signature; 392 ACPI_TABLE_HEADER *AcpiTableHeader; 393 ACPI_STATUS Status; 394 DT_FIELD *RootField = *FieldList; 395 396 397 /* Verify that we at least have a table signature and save it */ 398 399 Signature = DtGetFieldValue (*FieldList); 400 if (!Signature) 401 { 402 sprintf (AslGbl_MsgBuffer, "Expected \"%s\"", "Signature"); 403 DtNameError (ASL_ERROR, ASL_MSG_INVALID_FIELD_NAME, 404 *FieldList, AslGbl_MsgBuffer); 405 return (AE_ERROR); 406 } 407 408 AslGbl_Signature = UtLocalCacheCalloc (strlen (Signature) + 1); 409 strcpy (AslGbl_Signature, Signature); 410 411 /* 412 * Handle tables that don't use the common ACPI table header structure. 413 * Currently, these are the FACS and RSDP. Also check for an OEMx table, 414 * these tables have user-defined contents. 415 */ 416 if (ACPI_COMPARE_NAMESEG (Signature, ACPI_SIG_FACS)) 417 { 418 Status = DtCompileFacs (FieldList); 419 if (ACPI_FAILURE (Status)) 420 { 421 return (Status); 422 } 423 424 DtSetTableLength (); 425 return (Status); 426 } 427 else if (ACPI_VALIDATE_RSDP_SIG (Signature)) 428 { 429 Status = DtCompileRsdp (FieldList); 430 return (Status); 431 } 432 else if (ACPI_COMPARE_NAMESEG (Signature, ACPI_SIG_S3PT)) 433 { 434 Status = DtCompileS3pt (FieldList); 435 if (ACPI_FAILURE (Status)) 436 { 437 return (Status); 438 } 439 440 DtSetTableLength (); 441 return (Status); 442 } 443 444 /* 445 * All other tables must use the common ACPI table header. Insert the 446 * current iASL IDs (name, version), and compile the header now. 447 */ 448 DtInsertCompilerIds (*FieldList); 449 450 Status = DtCompileTable (FieldList, AcpiDmTableInfoHeader, 451 &AslGbl_RootTable); 452 if (ACPI_FAILURE (Status)) 453 { 454 return (Status); 455 } 456 457 DtPushSubtable (AslGbl_RootTable); 458 459 /* Validate the signature via the ACPI table list */ 460 461 TableData = AcpiDmGetTableData (Signature); 462 if (!TableData || AslGbl_CompileGeneric) 463 { 464 /* Unknown table signature and/or force generic compile */ 465 466 DtCompileGeneric ((void **) FieldList, NULL, NULL); 467 goto FinishHeader; 468 } 469 470 /* Dispatch to per-table compile */ 471 472 if (TableData->CmTableHandler) 473 { 474 /* Complex table, has a handler */ 475 476 Status = TableData->CmTableHandler ((void **) FieldList); 477 if (ACPI_FAILURE (Status)) 478 { 479 return (Status); 480 } 481 } 482 else if (TableData->TableInfo) 483 { 484 /* Simple table, just walk the info table, unless its empty */ 485 486 if (FieldList && *FieldList) 487 { 488 Subtable = NULL; 489 Status = DtCompileTable (FieldList, TableData->TableInfo, 490 &Subtable); 491 if (ACPI_FAILURE (Status)) 492 { 493 return (Status); 494 } 495 496 DtInsertSubtable (AslGbl_RootTable, Subtable); 497 DtPopSubtable (); 498 } 499 } 500 else 501 { 502 DtFatal (ASL_MSG_COMPILER_INTERNAL, *FieldList, 503 "Missing table dispatch info"); 504 return (AE_ERROR); 505 } 506 507 FinishHeader: 508 509 /* Set the final table length and then the checksum */ 510 511 DtSetTableLength (); 512 AcpiTableHeader = ACPI_CAST_PTR ( 513 ACPI_TABLE_HEADER, AslGbl_RootTable->Buffer); 514 DtSetTableChecksum (&AcpiTableHeader->Checksum); 515 516 DtDumpFieldList (RootField); 517 DtDumpSubtableList (); 518 return (AE_OK); 519 } 520 521 522 /****************************************************************************** 523 * 524 * FUNCTION: DtCompileTable 525 * 526 * PARAMETERS: Field - Current field list pointer 527 * Info - Info table for this ACPI table 528 * RetSubtable - Compile result of table 529 * 530 * RETURN: Status 531 * 532 * DESCRIPTION: Compile a subtable 533 * 534 *****************************************************************************/ 535 536 ACPI_STATUS 537 DtCompileTable ( 538 DT_FIELD **Field, 539 ACPI_DMTABLE_INFO *Info, 540 DT_SUBTABLE **RetSubtable) 541 { 542 DT_FIELD *LocalField; 543 UINT32 Length; 544 DT_SUBTABLE *Subtable; 545 DT_SUBTABLE *InlineSubtable = NULL; 546 UINT32 FieldLength = 0; 547 UINT8 FieldType; 548 UINT8 *Buffer; 549 UINT8 *FlagBuffer = NULL; 550 char *String; 551 UINT32 CurrentFlagByteOffset = 0; 552 ACPI_STATUS Status = AE_OK; 553 554 555 if (!Field) 556 { 557 return (AE_BAD_PARAMETER); 558 } 559 if (!*Field) 560 { 561 /* 562 * The field list is empty, this means that we are out of fields to 563 * parse. In other words, we are at the end of the table. 564 */ 565 return (AE_END_OF_TABLE); 566 } 567 568 /* Ignore optional subtable if name does not match */ 569 570 if ((Info->Flags & DT_OPTIONAL) && 571 strcmp ((*Field)->Name, Info->Name)) 572 { 573 *RetSubtable = NULL; 574 return (AE_OK); 575 } 576 577 Length = DtGetSubtableLength (*Field, Info); 578 if (Length == ASL_EOF) 579 { 580 return (AE_ERROR); 581 } 582 583 Subtable = UtSubtableCacheCalloc (); 584 585 if (Length > 0) 586 { 587 String = UtLocalCacheCalloc (Length); 588 Subtable->Buffer = ACPI_CAST_PTR (UINT8, String); 589 } 590 591 Subtable->Length = Length; 592 Subtable->TotalLength = Length; 593 Buffer = Subtable->Buffer; 594 595 LocalField = *Field; 596 Subtable->Name = LocalField->Name; 597 598 /* 599 * Main loop walks the info table for this ACPI table or subtable 600 */ 601 for (; Info->Name; Info++) 602 { 603 if (Info->Opcode == ACPI_DMT_EXTRA_TEXT) 604 { 605 continue; 606 } 607 608 if (!LocalField) 609 { 610 sprintf (AslGbl_MsgBuffer, "Found NULL field - Field name \"%s\" needed", 611 Info->Name); 612 DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, AslGbl_MsgBuffer); 613 Status = AE_BAD_DATA; 614 goto Error; 615 } 616 617 /* Maintain table offsets */ 618 619 LocalField->TableOffset = AslGbl_CurrentTableOffset; 620 FieldLength = DtGetFieldLength (LocalField, Info); 621 AslGbl_CurrentTableOffset += FieldLength; 622 623 FieldType = DtGetFieldType (Info); 624 AslGbl_InputFieldCount++; 625 626 switch (FieldType) 627 { 628 case DT_FIELD_TYPE_FLAGS_INTEGER: 629 /* 630 * Start of the definition of a flags field. 631 * This master flags integer starts at value zero, in preparation 632 * to compile and insert the flag fields from the individual bits 633 */ 634 LocalField = LocalField->Next; 635 *Field = LocalField; 636 637 FlagBuffer = Buffer; 638 CurrentFlagByteOffset = Info->Offset; 639 break; 640 641 case DT_FIELD_TYPE_FLAG: 642 643 /* Individual Flag field, can be multiple bits */ 644 645 if (FlagBuffer) 646 { 647 /* 648 * We must increment the FlagBuffer when we have crossed 649 * into the next flags byte within the flags field 650 * of type DT_FIELD_TYPE_FLAGS_INTEGER. 651 */ 652 FlagBuffer += (Info->Offset - CurrentFlagByteOffset); 653 CurrentFlagByteOffset = Info->Offset; 654 655 DtCompileFlag (FlagBuffer, LocalField, Info); 656 } 657 else 658 { 659 /* TBD - this is an internal error */ 660 } 661 662 LocalField = LocalField->Next; 663 *Field = LocalField; 664 break; 665 666 case DT_FIELD_TYPE_INLINE_SUBTABLE: 667 /* 668 * Recursion (one level max): compile GAS (Generic Address) 669 * or Notify in-line subtable 670 */ 671 *Field = LocalField; 672 673 switch (Info->Opcode) 674 { 675 case ACPI_DMT_GAS: 676 677 Status = DtCompileTable (Field, AcpiDmTableInfoGas, 678 &InlineSubtable); 679 break; 680 681 case ACPI_DMT_HESTNTFY: 682 683 Status = DtCompileTable (Field, AcpiDmTableInfoHestNotify, 684 &InlineSubtable); 685 break; 686 687 case ACPI_DMT_IORTMEM: 688 689 Status = DtCompileTable (Field, AcpiDmTableInfoIortAcc, 690 &InlineSubtable); 691 break; 692 693 default: 694 sprintf (AslGbl_MsgBuffer, "Invalid DMT opcode: 0x%.2X", 695 Info->Opcode); 696 DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, AslGbl_MsgBuffer); 697 Status = AE_BAD_DATA; 698 break; 699 } 700 701 if (ACPI_FAILURE (Status)) 702 { 703 goto Error; 704 } 705 706 DtSetSubtableLength (InlineSubtable); 707 708 memcpy (Buffer, InlineSubtable->Buffer, FieldLength); 709 LocalField = *Field; 710 break; 711 712 case DT_FIELD_TYPE_LABEL: 713 714 DtWriteFieldToListing (Buffer, LocalField, 0); 715 LocalField = LocalField->Next; 716 break; 717 718 default: 719 720 /* Normal case for most field types (Integer, String, etc.) */ 721 722 DtCompileOneField (Buffer, LocalField, 723 FieldLength, FieldType, Info->Flags); 724 725 DtWriteFieldToListing (Buffer, LocalField, FieldLength); 726 LocalField = LocalField->Next; 727 728 if (Info->Flags & DT_LENGTH) 729 { 730 /* Field is an Integer that will contain a subtable length */ 731 732 Subtable->LengthField = Buffer; 733 Subtable->SizeOfLengthField = FieldLength; 734 } 735 break; 736 } 737 738 Buffer += FieldLength; 739 } 740 741 *Field = LocalField; 742 *RetSubtable = Subtable; 743 return (AE_OK); 744 745 Error: 746 ACPI_FREE (Subtable->Buffer); 747 ACPI_FREE (Subtable); 748 return (Status); 749 } 750 751 752 /****************************************************************************** 753 * 754 * FUNCTION: DtCompileTwoSubtables 755 * 756 * PARAMETERS: List - Current field list pointer 757 * TableInfo1 - Info table 1 758 * TableInfo1 - Info table 2 759 * 760 * RETURN: Status 761 * 762 * DESCRIPTION: Compile tables with a header and one or more same subtables. 763 * Include CPEP, EINJ, ERST, MCFG, MSCT, WDAT 764 * 765 *****************************************************************************/ 766 767 ACPI_STATUS 768 DtCompileTwoSubtables ( 769 void **List, 770 ACPI_DMTABLE_INFO *TableInfo1, 771 ACPI_DMTABLE_INFO *TableInfo2) 772 { 773 ACPI_STATUS Status; 774 DT_SUBTABLE *Subtable; 775 DT_SUBTABLE *ParentTable; 776 DT_FIELD **PFieldList = (DT_FIELD **) List; 777 778 779 Status = DtCompileTable (PFieldList, TableInfo1, &Subtable); 780 if (ACPI_FAILURE (Status)) 781 { 782 return (Status); 783 } 784 785 ParentTable = DtPeekSubtable (); 786 DtInsertSubtable (ParentTable, Subtable); 787 788 while (*PFieldList) 789 { 790 Status = DtCompileTable (PFieldList, TableInfo2, &Subtable); 791 if (ACPI_FAILURE (Status)) 792 { 793 return (Status); 794 } 795 796 DtInsertSubtable (ParentTable, Subtable); 797 } 798 799 return (AE_OK); 800 } 801 802 803 /****************************************************************************** 804 * 805 * FUNCTION: DtCompilePadding 806 * 807 * PARAMETERS: Length - Padding field size 808 * RetSubtable - Compile result of table 809 * 810 * RETURN: Status 811 * 812 * DESCRIPTION: Compile a subtable for padding purpose 813 * 814 *****************************************************************************/ 815 816 ACPI_STATUS 817 DtCompilePadding ( 818 UINT32 Length, 819 DT_SUBTABLE **RetSubtable) 820 { 821 DT_SUBTABLE *Subtable; 822 /* UINT8 *Buffer; */ 823 char *String; 824 825 826 Subtable = UtSubtableCacheCalloc (); 827 828 if (Length > 0) 829 { 830 String = UtLocalCacheCalloc (Length); 831 Subtable->Buffer = ACPI_CAST_PTR (UINT8, String); 832 } 833 834 Subtable->Length = Length; 835 Subtable->TotalLength = Length; 836 /* Buffer = Subtable->Buffer; */ 837 838 *RetSubtable = Subtable; 839 return (AE_OK); 840 } 841