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 - 2024, 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 "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 snprintf (VersionString, sizeof(VersionString), "%X",
332 (UINT32) ACPI_CA_VERSION);
333 return;
334 }
335
336
337 /******************************************************************************
338 *
339 * FUNCTION: DtInsertCompilerIds
340 *
341 * PARAMETERS: FieldList - Current field list pointer
342 *
343 * RETURN: None
344 *
345 * DESCRIPTION: Insert the IDs (Name, Version) of the current compiler into
346 * the original ACPI table header.
347 *
348 *****************************************************************************/
349
350 static void
DtInsertCompilerIds(DT_FIELD * FieldList)351 DtInsertCompilerIds (
352 DT_FIELD *FieldList)
353 {
354 DT_FIELD *Next;
355 UINT32 i;
356
357
358 /*
359 * Don't insert current compiler ID if requested. Used for compiler
360 * debug/validation only.
361 */
362 if (AslGbl_UseOriginalCompilerId)
363 {
364 return;
365 }
366
367 /* Walk to the Compiler fields at the end of the header */
368
369 Next = FieldList;
370 for (i = 0; i < 7; i++)
371 {
372 Next = Next->Next;
373 }
374
375 Next->Value = ASL_CREATOR_ID;
376 Next->Flags = DT_FIELD_NOT_ALLOCATED;
377
378 Next = Next->Next;
379 Next->Value = VersionString;
380 Next->Flags = DT_FIELD_NOT_ALLOCATED;
381 }
382
383
384 /******************************************************************************
385 *
386 * FUNCTION: DtCompileDataTable
387 *
388 * PARAMETERS: FieldList - Current field list pointer
389 *
390 * RETURN: Status
391 *
392 * DESCRIPTION: Entry point to compile one data table
393 *
394 *****************************************************************************/
395
396 static ACPI_STATUS
DtCompileDataTable(DT_FIELD ** FieldList)397 DtCompileDataTable (
398 DT_FIELD **FieldList)
399 {
400 const ACPI_DMTABLE_DATA *TableData;
401 DT_SUBTABLE *Subtable;
402 char *Signature;
403 ACPI_TABLE_HEADER *AcpiTableHeader;
404 ACPI_STATUS Status;
405 DT_FIELD *RootField = *FieldList;
406
407
408 /* Verify that we at least have a table signature and save it */
409
410 Signature = DtGetFieldValue (*FieldList);
411 if (!Signature)
412 {
413 snprintf (AslGbl_MsgBuffer, sizeof(AslGbl_MsgBuffer), "Expected \"%s\"", "Signature");
414 DtNameError (ASL_ERROR, ASL_MSG_INVALID_FIELD_NAME,
415 *FieldList, AslGbl_MsgBuffer);
416 return (AE_ERROR);
417 }
418
419 AslGbl_Signature = UtLocalCacheCalloc (strlen (Signature) + 1);
420 strcpy (AslGbl_Signature, Signature);
421
422 /*
423 * Handle tables that don't use the common ACPI table header structure.
424 * Currently, these are the FACS and RSDP. Also check for an OEMx table,
425 * these tables have user-defined contents.
426 */
427 if (ACPI_COMPARE_NAMESEG (Signature, ACPI_SIG_FACS))
428 {
429 Status = DtCompileFacs (FieldList);
430 if (ACPI_FAILURE (Status))
431 {
432 return (Status);
433 }
434
435 DtSetTableLength ();
436 return (Status);
437 }
438 else if (ACPI_VALIDATE_RSDP_SIG (Signature))
439 {
440 Status = DtCompileRsdp (FieldList);
441 return (Status);
442 }
443 else if (ACPI_COMPARE_NAMESEG (Signature, ACPI_SIG_S3PT))
444 {
445 Status = DtCompileS3pt (FieldList);
446 if (ACPI_FAILURE (Status))
447 {
448 return (Status);
449 }
450
451 DtSetTableLength ();
452 return (Status);
453 }
454
455 /*
456 * If the first field is named "CDAT Table Length" (not "Signature"),
457 * assume that we have a CDAT table (whose table header does not have
458 * a signature). Instead, the TableLength field is where the
459 * signature would (normally) be.
460 */
461 else if (!strcmp ((*FieldList)->Name, "CDAT Table Length"))
462 {
463 /* No longer true: (However, use this technique in the disassembler)
464 * We are assuming that there
465 * should be at least one non-ASCII byte in the 4-character
466 * Signature field, (At least the high-order byte should be zero).
467 */
468 Status = DtCompileTable (FieldList, AcpiDmTableInfoCdatTableHdr,
469 &AslGbl_RootTable);
470 if (ACPI_FAILURE (Status))
471 {
472 return (Status);
473 }
474
475 /* Compile the CDAT */
476
477 DtPushSubtable (AslGbl_RootTable);
478 Status = DtCompileCdat ((void **) FieldList);
479 if (ACPI_FAILURE (Status))
480 {
481 return (Status);
482 }
483
484 /*
485 * Set the overall table length and the table checksum.
486 * The entire compiled table (including the CDAT table header with
487 * the table length and checksum) is in AslGbl_RootTable->Buffer.
488 */
489 DtSetTableLength ();
490 DtSetTableChecksum (&ACPI_CAST_PTR (ACPI_TABLE_CDAT, AslGbl_RootTable->Buffer)->Checksum);
491
492 DtDumpFieldList (RootField);
493 DtDumpSubtableList ();
494 return (AE_OK);
495 }
496
497 /*
498 * All other tables must use the common ACPI table header. Insert the
499 * current iASL IDs (name, version), and compile the header now.
500 */
501 DtInsertCompilerIds (*FieldList);
502
503 Status = DtCompileTable (FieldList, AcpiDmTableInfoHeader,
504 &AslGbl_RootTable);
505 if (ACPI_FAILURE (Status))
506 {
507 return (Status);
508 }
509
510 DtPushSubtable (AslGbl_RootTable);
511
512 /* Validate the signature via the ACPI table list */
513
514 TableData = AcpiDmGetTableData (Signature);
515 if (!TableData || AslGbl_CompileGeneric)
516 {
517 /* Unknown table signature and/or force generic compile */
518
519 DtCompileGeneric ((void **) FieldList, NULL, NULL);
520 goto FinishHeader;
521 }
522
523 /* Dispatch to per-table compile */
524
525 if (TableData->CmTableHandler)
526 {
527 /* Complex table, has a handler */
528
529 Status = TableData->CmTableHandler ((void **) FieldList);
530 if (ACPI_FAILURE (Status))
531 {
532 return (Status);
533 }
534 }
535 else if (TableData->TableInfo)
536 {
537 /* Simple table, just walk the info table, unless its empty */
538
539 if (FieldList && *FieldList)
540 {
541 Subtable = NULL;
542 Status = DtCompileTable (FieldList, TableData->TableInfo,
543 &Subtable);
544 if (ACPI_FAILURE (Status))
545 {
546 return (Status);
547 }
548
549 DtInsertSubtable (AslGbl_RootTable, Subtable);
550 DtPopSubtable ();
551 }
552 }
553 else
554 {
555 DtFatal (ASL_MSG_COMPILER_INTERNAL, *FieldList,
556 "Missing table dispatch info");
557 return (AE_ERROR);
558 }
559
560 FinishHeader:
561
562 /* Set the final table length and then the checksum */
563
564 DtSetTableLength ();
565 AcpiTableHeader = ACPI_CAST_PTR (
566 ACPI_TABLE_HEADER, AslGbl_RootTable->Buffer);
567 DtSetTableChecksum (&AcpiTableHeader->Checksum);
568
569 DtDumpFieldList (RootField);
570 DtDumpSubtableList ();
571 return (AE_OK);
572 }
573
574
575 /******************************************************************************
576 *
577 * FUNCTION: DtCompileTable
578 *
579 * PARAMETERS: Field - Current field list pointer
580 * Info - Info table for this ACPI table
581 * RetSubtable - Compile result of table
582 *
583 * RETURN: Status
584 *
585 * DESCRIPTION: Compile a subtable
586 *
587 *****************************************************************************/
588
589 ACPI_STATUS
DtCompileTable(DT_FIELD ** Field,ACPI_DMTABLE_INFO * Info,DT_SUBTABLE ** RetSubtable)590 DtCompileTable (
591 DT_FIELD **Field,
592 ACPI_DMTABLE_INFO *Info,
593 DT_SUBTABLE **RetSubtable)
594 {
595 DT_FIELD *LocalField;
596 UINT32 Length;
597 DT_SUBTABLE *Subtable;
598 DT_SUBTABLE *InlineSubtable = NULL;
599 UINT32 FieldLength = 0;
600 UINT8 FieldType;
601 UINT8 *Buffer;
602 UINT8 *FlagBuffer = NULL;
603 char *String;
604 UINT32 CurrentFlagByteOffset = 0;
605 ACPI_STATUS Status = AE_OK;
606
607
608 if (!Field || !Info)
609 {
610 return (AE_BAD_PARAMETER);
611 }
612 if (!*Field)
613 {
614 /*
615 * The field list is empty, this means that we are out of fields to
616 * parse. In other words, we are at the end of the table.
617 */
618 return (AE_END_OF_TABLE);
619 }
620
621 /* Ignore optional subtable if name does not match */
622
623 if ((Info->Flags & DT_OPTIONAL) &&
624 strcmp ((*Field)->Name, Info->Name))
625 {
626 *RetSubtable = NULL;
627 return (AE_OK);
628 }
629
630 Length = DtGetSubtableLength (*Field, Info);
631 if (Length == ASL_EOF)
632 {
633 return (AE_ERROR);
634 }
635
636 Subtable = UtSubtableCacheCalloc ();
637
638 if (Length > 0)
639 {
640 String = UtLocalCacheCalloc (Length);
641 Subtable->Buffer = ACPI_CAST_PTR (UINT8, String);
642 }
643
644 Subtable->Length = Length;
645 Subtable->TotalLength = Length;
646 Buffer = Subtable->Buffer;
647
648 LocalField = *Field;
649 Subtable->Name = LocalField->Name;
650
651 /*
652 * Main loop walks the info table for this ACPI table or subtable
653 */
654 for (; Info->Name; Info++)
655 {
656 if (Info->Opcode == ACPI_DMT_EXTRA_TEXT)
657 {
658 continue;
659 }
660
661 if (!LocalField)
662 {
663 snprintf (AslGbl_MsgBuffer, sizeof(AslGbl_MsgBuffer), "Found NULL field - Field name \"%s\" needed",
664 Info->Name);
665 DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, AslGbl_MsgBuffer);
666 Status = AE_BAD_DATA;
667 goto Error;
668 }
669
670 /* Maintain table offsets */
671
672 LocalField->TableOffset = AslGbl_CurrentTableOffset;
673 FieldLength = DtGetFieldLength (LocalField, Info);
674 AslGbl_CurrentTableOffset += FieldLength;
675
676 FieldType = DtGetFieldType (Info);
677 AslGbl_InputFieldCount++;
678
679 if (FieldType != DT_FIELD_TYPE_INLINE_SUBTABLE &&
680 strcmp (Info->Name, LocalField->Name))
681 {
682 sprintf (AslGbl_MsgBuffer, "found \"%s\" expected \"%s\"",
683 LocalField->Name, Info->Name);
684 DtError (ASL_ERROR, ASL_MSG_INVALID_LABEL, LocalField, AslGbl_MsgBuffer);
685 }
686
687 switch (FieldType)
688 {
689 case DT_FIELD_TYPE_FLAGS_INTEGER:
690 /*
691 * Start of the definition of a flags field.
692 * This master flags integer starts at value zero, in preparation
693 * to compile and insert the flag fields from the individual bits
694 */
695 LocalField = LocalField->Next;
696 *Field = LocalField;
697
698 FlagBuffer = Buffer;
699 CurrentFlagByteOffset = Info->Offset;
700 break;
701
702 case DT_FIELD_TYPE_FLAG:
703
704 /* Individual Flag field, can be multiple bits */
705
706 if (FlagBuffer)
707 {
708 /*
709 * We must increment the FlagBuffer when we have crossed
710 * into the next flags byte within the flags field
711 * of type DT_FIELD_TYPE_FLAGS_INTEGER.
712 */
713 FlagBuffer += (Info->Offset - CurrentFlagByteOffset);
714 CurrentFlagByteOffset = Info->Offset;
715
716 DtCompileFlag (FlagBuffer, LocalField, Info);
717 }
718 else
719 {
720 /* TBD - this is an internal error */
721 }
722
723 LocalField = LocalField->Next;
724 *Field = LocalField;
725 break;
726
727 case DT_FIELD_TYPE_INLINE_SUBTABLE:
728 /*
729 * Recursion (one level max): compile GAS (Generic Address)
730 * or Notify in-line subtable
731 */
732 *Field = LocalField;
733
734 switch (Info->Opcode)
735 {
736 case ACPI_DMT_GAS:
737
738 Status = DtCompileTable (Field, AcpiDmTableInfoGas,
739 &InlineSubtable);
740 break;
741
742 case ACPI_DMT_HESTNTFY:
743
744 Status = DtCompileTable (Field, AcpiDmTableInfoHestNotify,
745 &InlineSubtable);
746 break;
747
748 case ACPI_DMT_IORTMEM:
749
750 Status = DtCompileTable (Field, AcpiDmTableInfoIortAcc,
751 &InlineSubtable);
752 break;
753
754 default:
755 sprintf (AslGbl_MsgBuffer, "Invalid DMT opcode: 0x%.2X",
756 Info->Opcode);
757 DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, AslGbl_MsgBuffer);
758 Status = AE_BAD_DATA;
759 break;
760 }
761
762 if (ACPI_FAILURE (Status))
763 {
764 goto Error;
765 }
766
767 DtSetSubtableLength (InlineSubtable);
768
769 memcpy (Buffer, InlineSubtable->Buffer, FieldLength);
770 LocalField = *Field;
771 break;
772
773 case DT_FIELD_TYPE_LABEL:
774
775 DtWriteFieldToListing (Buffer, LocalField, 0);
776 LocalField = LocalField->Next;
777 break;
778
779 default:
780
781 /* Normal case for most field types (Integer, String, etc.) */
782
783 DtCompileOneField (Buffer, LocalField,
784 FieldLength, FieldType, Info->Flags);
785
786 DtWriteFieldToListing (Buffer, LocalField, FieldLength);
787 LocalField = LocalField->Next;
788
789 if (Info->Flags & DT_LENGTH)
790 {
791 /* Field is an Integer that will contain a subtable length */
792
793 Subtable->LengthField = Buffer;
794 Subtable->SizeOfLengthField = FieldLength;
795 }
796 break;
797 }
798
799 Buffer += FieldLength;
800 }
801
802 *Field = LocalField;
803 *RetSubtable = Subtable;
804 return (AE_OK);
805
806 Error:
807 ACPI_FREE (Subtable->Buffer);
808 ACPI_FREE (Subtable);
809 return (Status);
810 }
811
812
813 /******************************************************************************
814 *
815 * FUNCTION: DtCompileTwoSubtables
816 *
817 * PARAMETERS: List - Current field list pointer
818 * TableInfo1 - Info table 1
819 * TableInfo1 - Info table 2
820 *
821 * RETURN: Status
822 *
823 * DESCRIPTION: Compile tables with a header and one or more same subtables.
824 * Include CPEP, EINJ, ERST, MCFG, MSCT, WDAT
825 *
826 *****************************************************************************/
827
828 ACPI_STATUS
DtCompileTwoSubtables(void ** List,ACPI_DMTABLE_INFO * TableInfo1,ACPI_DMTABLE_INFO * TableInfo2)829 DtCompileTwoSubtables (
830 void **List,
831 ACPI_DMTABLE_INFO *TableInfo1,
832 ACPI_DMTABLE_INFO *TableInfo2)
833 {
834 ACPI_STATUS Status;
835 DT_SUBTABLE *Subtable;
836 DT_SUBTABLE *ParentTable;
837 DT_FIELD **PFieldList = (DT_FIELD **) List;
838
839
840 Status = DtCompileTable (PFieldList, TableInfo1, &Subtable);
841 if (ACPI_FAILURE (Status))
842 {
843 return (Status);
844 }
845
846 ParentTable = DtPeekSubtable ();
847 DtInsertSubtable (ParentTable, Subtable);
848
849 while (*PFieldList)
850 {
851 Status = DtCompileTable (PFieldList, TableInfo2, &Subtable);
852 if (ACPI_FAILURE (Status))
853 {
854 return (Status);
855 }
856
857 DtInsertSubtable (ParentTable, Subtable);
858 }
859
860 return (AE_OK);
861 }
862
863
864 /******************************************************************************
865 *
866 * FUNCTION: DtCompilePadding
867 *
868 * PARAMETERS: Length - Padding field size
869 * RetSubtable - Compile result of table
870 *
871 * RETURN: Status
872 *
873 * DESCRIPTION: Compile a subtable for padding purpose
874 *
875 *****************************************************************************/
876
877 ACPI_STATUS
DtCompilePadding(UINT32 Length,DT_SUBTABLE ** RetSubtable)878 DtCompilePadding (
879 UINT32 Length,
880 DT_SUBTABLE **RetSubtable)
881 {
882 DT_SUBTABLE *Subtable;
883 /* UINT8 *Buffer; */
884 char *String;
885
886
887 Subtable = UtSubtableCacheCalloc ();
888
889 if (Length > 0)
890 {
891 String = UtLocalCacheCalloc (Length);
892 Subtable->Buffer = ACPI_CAST_PTR (UINT8, String);
893 }
894
895 Subtable->Length = Length;
896 Subtable->TotalLength = Length;
897 /* Buffer = Subtable->Buffer; */
898
899 *RetSubtable = Subtable;
900 return (AE_OK);
901 }
902