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 - 2026, 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 void
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
DtDoCompile(void)193 DtDoCompile (
194 void)
195 {
196 ACPI_STATUS Status;
197 UINT8 Event;
198 DT_FIELD *FieldList;
199 ASL_GLOBAL_FILE_NODE *FileNode;
200
201
202 /* Initialize globals */
203
204 DtInitialize ();
205
206 /* Preprocessor */
207
208 if (AslGbl_PreprocessFlag)
209 {
210 /* Preprocessor */
211
212 Event = UtBeginEvent ("Preprocess input file");
213 PrDoPreprocess ();
214 UtEndEvent (Event);
215
216 if (AslGbl_PreprocessOnly)
217 {
218 return (AE_OK);
219 }
220 }
221
222 /* Compile the parse tree */
223
224 if (AslGbl_DtLexBisonPrototype)
225 {
226 Event = UtBeginEvent ("Parse data table in prototype mode");
227
228 DtCompilerInitLexer (AslGbl_Files[ASL_FILE_INPUT].Handle);
229 DtCompilerParserparse ();
230 FieldList = AslGbl_FieldList;
231 DtCompilerTerminateLexer ();
232
233 UtEndEvent (Event);
234 }
235 else
236 {
237 /*
238 * Scan the input file (file is already open) and
239 * build the parse tree
240 */
241 Event = UtBeginEvent ("Scan and parse input file");
242 FieldList = DtScanFile (AslGbl_Files[ASL_FILE_INPUT].Handle);
243 UtEndEvent (Event);
244 }
245
246 /* Did the parse tree get successfully constructed? */
247
248 if (!FieldList)
249 {
250 /* TBD: temporary error message. Msgs should come from function above */
251
252 DtError (ASL_ERROR, ASL_MSG_SYNTAX, NULL,
253 "Input file does not appear to be an ASL or data table source file");
254
255 return (AE_ERROR);
256 }
257
258 Event = UtBeginEvent ("Compile parse tree");
259
260 Status = DtCompileDataTable (&FieldList);
261 UtEndEvent (Event);
262
263 FileNode = FlGetCurrentFileNode ();
264
265 FileNode->TotalLineCount = AslGbl_CurrentLineNumber;
266 FileNode->OriginalInputFileSize = AslGbl_InputByteCount;
267 DbgPrint (ASL_PARSE_OUTPUT, "Line count: %u input file size: %u\n",
268 FileNode->TotalLineCount, FileNode->OriginalInputFileSize);
269
270 if (ACPI_FAILURE (Status))
271 {
272 FileNode->ParserErrorDetected = TRUE;
273
274 /* TBD: temporary error message. Msgs should come from function above */
275
276 DtError (ASL_ERROR, ASL_MSG_SYNTAX, NULL,
277 "Could not compile input file");
278
279 return (Status);
280 }
281
282 /* Create/open the binary output file */
283
284 AslGbl_Files[ASL_FILE_AML_OUTPUT].Filename = NULL;
285 Status = FlOpenAmlOutputFile (AslGbl_OutputFilenamePrefix);
286 if (ACPI_FAILURE (Status))
287 {
288 return (Status);
289 }
290
291 /* Write the binary, then the optional hex file */
292
293 DtOutputBinary (AslGbl_RootTable);
294 HxDoHexOutput ();
295 DtWriteTableToListing ();
296
297 /* Save the compile time statistics to the current file node */
298
299 FileNode->TotalFields = AslGbl_InputFieldCount;
300 FileNode->OutputByteLength = AslGbl_TableLength;
301
302 return (Status);
303 }
304
305
306 /******************************************************************************
307 *
308 * FUNCTION: DtInitialize
309 *
310 * PARAMETERS: None
311 *
312 * RETURN: Status
313 *
314 * DESCRIPTION: Initialize data table compiler globals. Enables multiple
315 * compiles per invocation.
316 *
317 *****************************************************************************/
318
319 void
DtInitialize(void)320 DtInitialize (
321 void)
322 {
323
324
325 AcpiUtSetIntegerWidth (2); /* Set width to 64 bits */
326
327 AslGbl_FieldList = NULL;
328 AslGbl_RootTable = NULL;
329 AslGbl_SubtableStack = NULL;
330
331 sprintf (VersionString, "%X", (UINT32) ACPI_CA_VERSION);
332 return;
333 }
334
335
336 /******************************************************************************
337 *
338 * FUNCTION: DtInsertCompilerIds
339 *
340 * PARAMETERS: FieldList - Current field list pointer
341 *
342 * RETURN: None
343 *
344 * DESCRIPTION: Insert the IDs (Name, Version) of the current compiler into
345 * the original ACPI table header.
346 *
347 *****************************************************************************/
348
349 static void
DtInsertCompilerIds(DT_FIELD * FieldList)350 DtInsertCompilerIds (
351 DT_FIELD *FieldList)
352 {
353 DT_FIELD *Next;
354 UINT32 i;
355
356
357 /*
358 * Don't insert current compiler ID if requested. Used for compiler
359 * debug/validation only.
360 */
361 if (AslGbl_UseOriginalCompilerId)
362 {
363 return;
364 }
365
366 /* Walk to the Compiler fields at the end of the header, with safety checks */
367
368 if (!FieldList)
369 {
370 DtError (ASL_WARNING, ASL_MSG_MALFORMED_HEADER, NULL, NULL);
371 return;
372 }
373
374 Next = FieldList;
375 for (i = 0; i < 7; i++)
376 {
377 if (!Next || !Next->Next)
378 {
379 /* Malformed/short header: cannot insert compiler IDs */
380 DtError (ASL_WARNING, ASL_MSG_MALFORMED_HEADER, FieldList, NULL);
381 return;
382 }
383 Next = Next->Next;
384 }
385
386 /* Ensure both Creator ID and Revision fields exist */
387 if (!Next || !Next->Next)
388 {
389 DtError (ASL_WARNING, ASL_MSG_MALFORMED_HEADER, FieldList, NULL);
390 return;
391 }
392
393 Next->Value = ASL_CREATOR_ID;
394 Next->Flags = DT_FIELD_NOT_ALLOCATED;
395
396 Next = Next->Next;
397 if (!Next)
398 {
399 DtError (ASL_WARNING, ASL_MSG_MALFORMED_HEADER, FieldList, NULL);
400 return;
401 }
402 Next->Value = VersionString;
403 Next->Flags = DT_FIELD_NOT_ALLOCATED;
404 }
405
406
407 /******************************************************************************
408 *
409 * FUNCTION: DtCompileDataTable
410 *
411 * PARAMETERS: FieldList - Current field list pointer
412 *
413 * RETURN: Status
414 *
415 * DESCRIPTION: Entry point to compile one data table
416 *
417 *****************************************************************************/
418
419 static ACPI_STATUS
DtCompileDataTable(DT_FIELD ** FieldList)420 DtCompileDataTable (
421 DT_FIELD **FieldList)
422 {
423 const ACPI_DMTABLE_DATA *TableData;
424 DT_SUBTABLE *Subtable;
425 char *Signature;
426 ACPI_TABLE_HEADER *AcpiTableHeader;
427 ACPI_STATUS Status;
428 DT_FIELD *RootField = *FieldList;
429
430
431 /* Verify that we at least have a table signature and save it */
432
433 Signature = DtGetFieldValue (*FieldList);
434 if (!Signature)
435 {
436 sprintf (AslGbl_MsgBuffer, "Expected \"%s\"", "Signature");
437 DtNameError (ASL_ERROR, ASL_MSG_INVALID_FIELD_NAME,
438 *FieldList, AslGbl_MsgBuffer);
439 return (AE_ERROR);
440 }
441
442 AslGbl_Signature = UtLocalCacheCalloc (strlen (Signature) + 1);
443 strcpy (AslGbl_Signature, Signature);
444
445 /*
446 * Handle tables that don't use the common ACPI table header structure.
447 * Currently, these are the FACS and RSDP. Also check for an OEMx table,
448 * these tables have user-defined contents.
449 */
450 if (ACPI_COMPARE_NAMESEG (Signature, ACPI_SIG_FACS))
451 {
452 Status = DtCompileFacs (FieldList);
453 if (ACPI_FAILURE (Status))
454 {
455 return (Status);
456 }
457
458 DtSetTableLength ();
459 return (Status);
460 }
461 else if (ACPI_VALIDATE_RSDP_SIG (Signature))
462 {
463 Status = DtCompileRsdp (FieldList);
464 return (Status);
465 }
466 else if (ACPI_COMPARE_NAMESEG (Signature, ACPI_SIG_S3PT))
467 {
468 Status = DtCompileS3pt (FieldList);
469 if (ACPI_FAILURE (Status))
470 {
471 return (Status);
472 }
473
474 DtSetTableLength ();
475 return (Status);
476 }
477
478 /*
479 * If the first field is named "CDAT Table Length" (not "Signature"),
480 * assume that we have a CDAT table (whose table header does not have
481 * a signature). Instead, the TableLength field is where the
482 * signature would (normally) be.
483 */
484 else if (!strcmp ((*FieldList)->Name, "CDAT Table Length"))
485 {
486 /* No longer true: (However, use this technique in the disassembler)
487 * We are assuming that there
488 * should be at least one non-ASCII byte in the 4-character
489 * Signature field, (At least the high-order byte should be zero).
490 */
491 Status = DtCompileTable (FieldList, AcpiDmTableInfoCdatTableHdr,
492 &AslGbl_RootTable);
493 if (ACPI_FAILURE (Status))
494 {
495 return (Status);
496 }
497
498 /* Compile the CDAT */
499
500 DtPushSubtable (AslGbl_RootTable);
501 Status = DtCompileCdat ((void **) FieldList);
502 if (ACPI_FAILURE (Status))
503 {
504 return (Status);
505 }
506
507 /*
508 * Set the overall table length and the table checksum.
509 * The entire compiled table (including the CDAT table header with
510 * the table length and checksum) is in AslGbl_RootTable->Buffer.
511 */
512 DtSetTableLength ();
513 DtSetTableChecksum (&ACPI_CAST_PTR (ACPI_TABLE_CDAT, AslGbl_RootTable->Buffer)->Checksum);
514
515 DtDumpFieldList (RootField);
516 DtDumpSubtableList ();
517 return (AE_OK);
518 }
519
520 /*
521 * All other tables must use the common ACPI table header. Insert the
522 * current iASL IDs (name, version), and compile the header now.
523 */
524 DtInsertCompilerIds (*FieldList);
525
526 Status = DtCompileTable (FieldList, AcpiDmTableInfoHeader,
527 &AslGbl_RootTable);
528 if (ACPI_FAILURE (Status))
529 {
530 return (Status);
531 }
532
533 DtPushSubtable (AslGbl_RootTable);
534
535 /* Validate the signature via the ACPI table list */
536
537 TableData = AcpiDmGetTableData (Signature);
538 if (!TableData || AslGbl_CompileGeneric)
539 {
540 /* Unknown table signature and/or force generic compile */
541
542 DtCompileGeneric ((void **) FieldList, NULL, NULL);
543 goto FinishHeader;
544 }
545
546 /* Dispatch to per-table compile */
547
548 if (TableData->CmTableHandler)
549 {
550 /* Complex table, has a handler */
551
552 Status = TableData->CmTableHandler ((void **) FieldList);
553 if (ACPI_FAILURE (Status))
554 {
555 return (Status);
556 }
557 }
558 else if (TableData->TableInfo)
559 {
560 /* Simple table, just walk the info table, unless its empty */
561
562 if (FieldList && *FieldList)
563 {
564 Subtable = NULL;
565 Status = DtCompileTable (FieldList, TableData->TableInfo,
566 &Subtable);
567 if (ACPI_FAILURE (Status))
568 {
569 return (Status);
570 }
571
572 DtInsertSubtable (AslGbl_RootTable, Subtable);
573 DtPopSubtable ();
574 }
575 }
576 else
577 {
578 DtFatal (ASL_MSG_COMPILER_INTERNAL, *FieldList,
579 "Missing table dispatch info");
580 return (AE_ERROR);
581 }
582
583 FinishHeader:
584
585 /* Set the final table length and then the checksum */
586
587 DtSetTableLength ();
588 AcpiTableHeader = ACPI_CAST_PTR (
589 ACPI_TABLE_HEADER, AslGbl_RootTable->Buffer);
590 DtSetTableChecksum (&AcpiTableHeader->Checksum);
591
592 DtDumpFieldList (RootField);
593 DtDumpSubtableList ();
594 return (AE_OK);
595 }
596
597
598 /******************************************************************************
599 *
600 * FUNCTION: DtCompileTable
601 *
602 * PARAMETERS: Field - Current field list pointer
603 * Info - Info table for this ACPI table
604 * RetSubtable - Compile result of table
605 *
606 * RETURN: Status
607 *
608 * DESCRIPTION: Compile a subtable
609 *
610 *****************************************************************************/
611
612 ACPI_STATUS
DtCompileTable(DT_FIELD ** Field,ACPI_DMTABLE_INFO * Info,DT_SUBTABLE ** RetSubtable)613 DtCompileTable (
614 DT_FIELD **Field,
615 ACPI_DMTABLE_INFO *Info,
616 DT_SUBTABLE **RetSubtable)
617 {
618 DT_FIELD *LocalField;
619 UINT32 Length;
620 DT_SUBTABLE *Subtable;
621 DT_SUBTABLE *InlineSubtable = NULL;
622 UINT32 FieldLength = 0;
623 UINT8 FieldType;
624 UINT8 *Buffer;
625 UINT8 *FlagBuffer = NULL;
626 char *String;
627 UINT32 CurrentFlagByteOffset = 0;
628 ACPI_STATUS Status = AE_OK;
629
630
631 if (!Field || !Info)
632 {
633 return (AE_BAD_PARAMETER);
634 }
635 if (!*Field)
636 {
637 /*
638 * The field list is empty, this means that we are out of fields to
639 * parse. In other words, we are at the end of the table.
640 */
641 return (AE_END_OF_TABLE);
642 }
643
644 /* Ignore optional subtable if name does not match */
645
646 if ((Info->Flags & DT_OPTIONAL) &&
647 strcmp ((*Field)->Name, Info->Name))
648 {
649 *RetSubtable = NULL;
650 return (AE_OK);
651 }
652
653 Length = DtGetSubtableLength (*Field, Info);
654 if (Length == ASL_EOF)
655 {
656 return (AE_ERROR);
657 }
658
659 Subtable = UtSubtableCacheCalloc ();
660
661 if (Length > 0)
662 {
663 String = UtLocalCacheCalloc (Length);
664 Subtable->Buffer = ACPI_CAST_PTR (UINT8, String);
665 }
666
667 Subtable->Length = Length;
668 Subtable->TotalLength = Length;
669 Buffer = Subtable->Buffer;
670
671 LocalField = *Field;
672 Subtable->Name = LocalField->Name;
673
674 /*
675 * Main loop walks the info table for this ACPI table or subtable
676 */
677 for (; Info->Name; Info++)
678 {
679 if (Info->Opcode == ACPI_DMT_EXTRA_TEXT)
680 {
681 continue;
682 }
683
684 if (!LocalField)
685 {
686 sprintf (AslGbl_MsgBuffer, "Found NULL field - Field name \"%s\" needed",
687 Info->Name);
688 DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, AslGbl_MsgBuffer);
689 Status = AE_BAD_DATA;
690 goto Error;
691 }
692
693 /* Maintain table offsets */
694
695 LocalField->TableOffset = AslGbl_CurrentTableOffset;
696 FieldLength = DtGetFieldLength (LocalField, Info);
697 AslGbl_CurrentTableOffset += FieldLength;
698
699 FieldType = DtGetFieldType (Info);
700 AslGbl_InputFieldCount++;
701
702 if (FieldType != DT_FIELD_TYPE_INLINE_SUBTABLE &&
703 strcmp (Info->Name, LocalField->Name))
704 {
705 sprintf (AslGbl_MsgBuffer, "found \"%s\" expected \"%s\"",
706 LocalField->Name, Info->Name);
707 DtError (ASL_ERROR, ASL_MSG_INVALID_LABEL, LocalField, AslGbl_MsgBuffer);
708 }
709
710 switch (FieldType)
711 {
712 case DT_FIELD_TYPE_FLAGS_INTEGER:
713 /*
714 * Start of the definition of a flags field.
715 * This master flags integer starts at value zero, in preparation
716 * to compile and insert the flag fields from the individual bits
717 */
718 LocalField = LocalField->Next;
719 *Field = LocalField;
720
721 FlagBuffer = Buffer;
722 CurrentFlagByteOffset = Info->Offset;
723 break;
724
725 case DT_FIELD_TYPE_FLAG:
726
727 /* Individual Flag field, can be multiple bits */
728
729 if (FlagBuffer)
730 {
731 /*
732 * We must increment the FlagBuffer when we have crossed
733 * into the next flags byte within the flags field
734 * of type DT_FIELD_TYPE_FLAGS_INTEGER.
735 */
736 FlagBuffer += (Info->Offset - CurrentFlagByteOffset);
737 CurrentFlagByteOffset = Info->Offset;
738
739 DtCompileFlag (FlagBuffer, LocalField, Info);
740 }
741 else
742 {
743 /* TBD - this is an internal error */
744 }
745
746 LocalField = LocalField->Next;
747 *Field = LocalField;
748 break;
749
750 case DT_FIELD_TYPE_INLINE_SUBTABLE:
751 /*
752 * Recursion (one level max): compile GAS (Generic Address)
753 * or Notify in-line subtable
754 */
755 *Field = LocalField;
756
757 switch (Info->Opcode)
758 {
759 case ACPI_DMT_GAS:
760
761 Status = DtCompileTable (Field, AcpiDmTableInfoGas,
762 &InlineSubtable);
763 break;
764
765 case ACPI_DMT_HESTNTFY:
766
767 Status = DtCompileTable (Field, AcpiDmTableInfoHestNotify,
768 &InlineSubtable);
769 break;
770
771 case ACPI_DMT_IORTMEM:
772
773 Status = DtCompileTable (Field, AcpiDmTableInfoIortAcc,
774 &InlineSubtable);
775 break;
776
777 default:
778 sprintf (AslGbl_MsgBuffer, "Invalid DMT opcode: 0x%.2X",
779 Info->Opcode);
780 DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, AslGbl_MsgBuffer);
781 Status = AE_BAD_DATA;
782 break;
783 }
784
785 if (ACPI_FAILURE (Status))
786 {
787 goto Error;
788 }
789
790 DtSetSubtableLength (InlineSubtable);
791
792 memcpy (Buffer, InlineSubtable->Buffer, FieldLength);
793 LocalField = *Field;
794 break;
795
796 case DT_FIELD_TYPE_LABEL:
797
798 DtWriteFieldToListing (Buffer, LocalField, 0);
799 LocalField = LocalField->Next;
800 break;
801
802 default:
803
804 /* Normal case for most field types (Integer, String, etc.) */
805
806 DtCompileOneField (Buffer, LocalField,
807 FieldLength, FieldType, Info->Flags);
808
809 DtWriteFieldToListing (Buffer, LocalField, FieldLength);
810 LocalField = LocalField->Next;
811
812 if (Info->Flags & DT_LENGTH)
813 {
814 /* Field is an Integer that will contain a subtable length */
815
816 Subtable->LengthField = Buffer;
817 Subtable->SizeOfLengthField = FieldLength;
818 }
819 break;
820 }
821
822 Buffer += FieldLength;
823 }
824
825 *Field = LocalField;
826 *RetSubtable = Subtable;
827 return (AE_OK);
828
829 Error:
830 ACPI_FREE (Subtable->Buffer);
831 ACPI_FREE (Subtable);
832 return (Status);
833 }
834
835
836 /******************************************************************************
837 *
838 * FUNCTION: DtCompileTwoSubtables
839 *
840 * PARAMETERS: List - Current field list pointer
841 * TableInfo1 - Info table 1
842 * TableInfo1 - Info table 2
843 *
844 * RETURN: Status
845 *
846 * DESCRIPTION: Compile tables with a header and one or more same subtables.
847 * Include CPEP, EINJ, ERST, MCFG, MSCT, WDAT
848 *
849 *****************************************************************************/
850
851 ACPI_STATUS
DtCompileTwoSubtables(void ** List,ACPI_DMTABLE_INFO * TableInfo1,ACPI_DMTABLE_INFO * TableInfo2)852 DtCompileTwoSubtables (
853 void **List,
854 ACPI_DMTABLE_INFO *TableInfo1,
855 ACPI_DMTABLE_INFO *TableInfo2)
856 {
857 ACPI_STATUS Status;
858 DT_SUBTABLE *Subtable;
859 DT_SUBTABLE *ParentTable;
860 DT_FIELD **PFieldList = (DT_FIELD **) List;
861
862
863 Status = DtCompileTable (PFieldList, TableInfo1, &Subtable);
864 if (ACPI_FAILURE (Status))
865 {
866 return (Status);
867 }
868
869 ParentTable = DtPeekSubtable ();
870 DtInsertSubtable (ParentTable, Subtable);
871
872 while (*PFieldList)
873 {
874 Status = DtCompileTable (PFieldList, TableInfo2, &Subtable);
875 if (ACPI_FAILURE (Status))
876 {
877 return (Status);
878 }
879
880 DtInsertSubtable (ParentTable, Subtable);
881 }
882
883 return (AE_OK);
884 }
885
886
887 /******************************************************************************
888 *
889 * FUNCTION: DtCompilePadding
890 *
891 * PARAMETERS: Length - Padding field size
892 * RetSubtable - Compile result of table
893 *
894 * RETURN: Status
895 *
896 * DESCRIPTION: Compile a subtable for padding purpose
897 *
898 *****************************************************************************/
899
900 ACPI_STATUS
DtCompilePadding(UINT32 Length,DT_SUBTABLE ** RetSubtable)901 DtCompilePadding (
902 UINT32 Length,
903 DT_SUBTABLE **RetSubtable)
904 {
905 DT_SUBTABLE *Subtable;
906 /* UINT8 *Buffer; */
907 char *String;
908
909
910 Subtable = UtSubtableCacheCalloc ();
911
912 if (Length > 0)
913 {
914 String = UtLocalCacheCalloc (Length);
915 Subtable->Buffer = ACPI_CAST_PTR (UINT8, String);
916 }
917
918 Subtable->Length = Length;
919 Subtable->TotalLength = Length;
920 /* Buffer = Subtable->Buffer; */
921
922 *RetSubtable = Subtable;
923 return (AE_OK);
924 }
925