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 - 2018, 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 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 Gbl_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
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 (Gbl_PreprocessFlag)
213 {
214 /* Preprocessor */
215
216 Event = UtBeginEvent ("Preprocess input file");
217 PrDoPreprocess ();
218 UtEndEvent (Event);
219
220 if (Gbl_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 (Gbl_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 Status = AE_ERROR;
244 goto CleanupAndExit;
245 }
246
247 Event = UtBeginEvent ("Compile parse tree");
248
249 /*
250 * Compile the parse tree
251 */
252 Status = DtCompileDataTable (&FieldList);
253 UtEndEvent (Event);
254
255 if (ACPI_FAILURE (Status))
256 {
257 /* TBD: temporary error message. Msgs should come from function above */
258
259 DtError (ASL_ERROR, ASL_MSG_SYNTAX, NULL,
260 "Could not compile input file");
261
262 goto CleanupAndExit;
263 }
264
265 /* Create/open the binary output file */
266
267 Gbl_Files[ASL_FILE_AML_OUTPUT].Filename = NULL;
268 Status = FlOpenAmlOutputFile (Gbl_OutputFilenamePrefix);
269 if (ACPI_FAILURE (Status))
270 {
271 goto CleanupAndExit;
272 }
273
274 /* Write the binary, then the optional hex file */
275
276 DtOutputBinary (Gbl_RootTable);
277 HxDoHexOutput ();
278 DtWriteTableToListing ();
279
280 CleanupAndExit:
281
282 AcpiUtDeleteCaches ();
283 CmCleanupAndExit ();
284 return (Status);
285 }
286
287
288 /******************************************************************************
289 *
290 * FUNCTION: DtInitialize
291 *
292 * PARAMETERS: None
293 *
294 * RETURN: Status
295 *
296 * DESCRIPTION: Initialize data table compiler globals. Enables multiple
297 * compiles per invocation.
298 *
299 *****************************************************************************/
300
301 static ACPI_STATUS
DtInitialize(void)302 DtInitialize (
303 void)
304 {
305 ACPI_STATUS Status;
306
307
308 Status = AcpiOsInitialize ();
309 if (ACPI_FAILURE (Status))
310 {
311 return (Status);
312 }
313
314 Status = AcpiUtInitGlobals ();
315 if (ACPI_FAILURE (Status))
316 {
317 return (Status);
318 }
319
320 AcpiUtSetIntegerWidth (2); /* Set width to 64 bits */
321
322 Gbl_FieldList = NULL;
323 Gbl_RootTable = NULL;
324 Gbl_SubtableStack = NULL;
325
326 sprintf (VersionString, "%X", (UINT32) ACPI_CA_VERSION);
327 return (AE_OK);
328 }
329
330
331 /******************************************************************************
332 *
333 * FUNCTION: DtInsertCompilerIds
334 *
335 * PARAMETERS: FieldList - Current field list pointer
336 *
337 * RETURN: None
338 *
339 * DESCRIPTION: Insert the IDs (Name, Version) of the current compiler into
340 * the original ACPI table header.
341 *
342 *****************************************************************************/
343
344 static void
DtInsertCompilerIds(DT_FIELD * FieldList)345 DtInsertCompilerIds (
346 DT_FIELD *FieldList)
347 {
348 DT_FIELD *Next;
349 UINT32 i;
350
351
352 /*
353 * Don't insert current compiler ID if requested. Used for compiler
354 * debug/validation only.
355 */
356 if (Gbl_UseOriginalCompilerId)
357 {
358 return;
359 }
360
361 /* Walk to the Compiler fields at the end of the header */
362
363 Next = FieldList;
364 for (i = 0; i < 7; i++)
365 {
366 Next = Next->Next;
367 }
368
369 Next->Value = ASL_CREATOR_ID;
370 Next->Flags = DT_FIELD_NOT_ALLOCATED;
371
372 Next = Next->Next;
373 Next->Value = VersionString;
374 Next->Flags = DT_FIELD_NOT_ALLOCATED;
375 }
376
377
378 /******************************************************************************
379 *
380 * FUNCTION: DtCompileDataTable
381 *
382 * PARAMETERS: FieldList - Current field list pointer
383 *
384 * RETURN: Status
385 *
386 * DESCRIPTION: Entry point to compile one data table
387 *
388 *****************************************************************************/
389
390 static ACPI_STATUS
DtCompileDataTable(DT_FIELD ** FieldList)391 DtCompileDataTable (
392 DT_FIELD **FieldList)
393 {
394 const ACPI_DMTABLE_DATA *TableData;
395 DT_SUBTABLE *Subtable;
396 char *Signature;
397 ACPI_TABLE_HEADER *AcpiTableHeader;
398 ACPI_STATUS Status;
399 DT_FIELD *RootField = *FieldList;
400
401
402 /* Verify that we at least have a table signature and save it */
403
404 Signature = DtGetFieldValue (*FieldList);
405 if (!Signature)
406 {
407 sprintf (MsgBuffer, "Expected \"%s\"", "Signature");
408 DtNameError (ASL_ERROR, ASL_MSG_INVALID_FIELD_NAME,
409 *FieldList, MsgBuffer);
410 return (AE_ERROR);
411 }
412
413 Gbl_Signature = UtLocalCacheCalloc (strlen (Signature) + 1);
414 strcpy (Gbl_Signature, Signature);
415
416 /*
417 * Handle tables that don't use the common ACPI table header structure.
418 * Currently, these are the FACS and RSDP. Also check for an OEMx table,
419 * these tables have user-defined contents.
420 */
421 if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_FACS))
422 {
423 Status = DtCompileFacs (FieldList);
424 if (ACPI_FAILURE (Status))
425 {
426 return (Status);
427 }
428
429 DtSetTableLength ();
430 return (Status);
431 }
432 else if (ACPI_VALIDATE_RSDP_SIG (Signature))
433 {
434 Status = DtCompileRsdp (FieldList);
435 return (Status);
436 }
437 else if (ACPI_COMPARE_NAME (Signature, ACPI_SIG_S3PT))
438 {
439 Status = DtCompileS3pt (FieldList);
440 if (ACPI_FAILURE (Status))
441 {
442 return (Status);
443 }
444
445 DtSetTableLength ();
446 return (Status);
447 }
448
449 /*
450 * All other tables must use the common ACPI table header. Insert the
451 * current iASL IDs (name, version), and compile the header now.
452 */
453 DtInsertCompilerIds (*FieldList);
454
455 Status = DtCompileTable (FieldList, AcpiDmTableInfoHeader,
456 &Gbl_RootTable);
457 if (ACPI_FAILURE (Status))
458 {
459 return (Status);
460 }
461
462 DtPushSubtable (Gbl_RootTable);
463
464 /* Validate the signature via the ACPI table list */
465
466 TableData = AcpiDmGetTableData (Signature);
467 if (!TableData || Gbl_CompileGeneric)
468 {
469 /* Unknown table signature and/or force generic compile */
470
471 DtCompileGeneric ((void **) FieldList, NULL, NULL);
472 goto FinishHeader;
473 }
474
475 /* Dispatch to per-table compile */
476
477 if (TableData->CmTableHandler)
478 {
479 /* Complex table, has a handler */
480
481 Status = TableData->CmTableHandler ((void **) FieldList);
482 if (ACPI_FAILURE (Status))
483 {
484 return (Status);
485 }
486 }
487 else if (TableData->TableInfo)
488 {
489 /* Simple table, just walk the info table, unless its empty */
490
491 if (FieldList && *FieldList)
492 {
493 Subtable = NULL;
494 Status = DtCompileTable (FieldList, TableData->TableInfo,
495 &Subtable);
496 if (ACPI_FAILURE (Status))
497 {
498 return (Status);
499 }
500
501 DtInsertSubtable (Gbl_RootTable, Subtable);
502 DtPopSubtable ();
503 }
504 }
505 else
506 {
507 DtFatal (ASL_MSG_COMPILER_INTERNAL, *FieldList,
508 "Missing table dispatch info");
509 return (AE_ERROR);
510 }
511
512 FinishHeader:
513
514 /* Set the final table length and then the checksum */
515
516 DtSetTableLength ();
517 AcpiTableHeader = ACPI_CAST_PTR (
518 ACPI_TABLE_HEADER, Gbl_RootTable->Buffer);
519 DtSetTableChecksum (&AcpiTableHeader->Checksum);
520
521 DtDumpFieldList (RootField);
522 DtDumpSubtableList ();
523 return (AE_OK);
524 }
525
526
527 /******************************************************************************
528 *
529 * FUNCTION: DtCompileTable
530 *
531 * PARAMETERS: Field - Current field list pointer
532 * Info - Info table for this ACPI table
533 * RetSubtable - Compile result of table
534 *
535 * RETURN: Status
536 *
537 * DESCRIPTION: Compile a subtable
538 *
539 *****************************************************************************/
540
541 ACPI_STATUS
DtCompileTable(DT_FIELD ** Field,ACPI_DMTABLE_INFO * Info,DT_SUBTABLE ** RetSubtable)542 DtCompileTable (
543 DT_FIELD **Field,
544 ACPI_DMTABLE_INFO *Info,
545 DT_SUBTABLE **RetSubtable)
546 {
547 DT_FIELD *LocalField;
548 UINT32 Length;
549 DT_SUBTABLE *Subtable;
550 DT_SUBTABLE *InlineSubtable = NULL;
551 UINT32 FieldLength = 0;
552 UINT8 FieldType;
553 UINT8 *Buffer;
554 UINT8 *FlagBuffer = NULL;
555 char *String;
556 UINT32 CurrentFlagByteOffset = 0;
557 ACPI_STATUS Status = AE_OK;
558
559
560 if (!Field)
561 {
562 return (AE_BAD_PARAMETER);
563 }
564 if (!*Field)
565 {
566 /*
567 * The field list is empty, this means that we are out of fields to
568 * parse. In other words, we are at the end of the table.
569 */
570 return (AE_END_OF_TABLE);
571 }
572
573 /* Ignore optional subtable if name does not match */
574
575 if ((Info->Flags & DT_OPTIONAL) &&
576 strcmp ((*Field)->Name, Info->Name))
577 {
578 *RetSubtable = NULL;
579 return (AE_OK);
580 }
581
582 Length = DtGetSubtableLength (*Field, Info);
583 if (Length == ASL_EOF)
584 {
585 return (AE_ERROR);
586 }
587
588 Subtable = UtSubtableCacheCalloc ();
589
590 if (Length > 0)
591 {
592 String = UtLocalCacheCalloc (Length);
593 Subtable->Buffer = ACPI_CAST_PTR (UINT8, String);
594 }
595
596 Subtable->Length = Length;
597 Subtable->TotalLength = Length;
598 Buffer = Subtable->Buffer;
599
600 LocalField = *Field;
601 Subtable->Name = LocalField->Name;
602
603 /*
604 * Main loop walks the info table for this ACPI table or subtable
605 */
606 for (; Info->Name; Info++)
607 {
608 if (Info->Opcode == ACPI_DMT_EXTRA_TEXT)
609 {
610 continue;
611 }
612
613 if (!LocalField)
614 {
615 sprintf (MsgBuffer, "Found NULL field - Field name \"%s\" needed",
616 Info->Name);
617 DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, MsgBuffer);
618 Status = AE_BAD_DATA;
619 goto Error;
620 }
621
622 /* Maintain table offsets */
623
624 LocalField->TableOffset = Gbl_CurrentTableOffset;
625 FieldLength = DtGetFieldLength (LocalField, Info);
626 Gbl_CurrentTableOffset += FieldLength;
627
628 FieldType = DtGetFieldType (Info);
629 Gbl_InputFieldCount++;
630
631 switch (FieldType)
632 {
633 case DT_FIELD_TYPE_FLAGS_INTEGER:
634 /*
635 * Start of the definition of a flags field.
636 * This master flags integer starts at value zero, in preparation
637 * to compile and insert the flag fields from the individual bits
638 */
639 LocalField = LocalField->Next;
640 *Field = LocalField;
641
642 FlagBuffer = Buffer;
643 CurrentFlagByteOffset = Info->Offset;
644 break;
645
646 case DT_FIELD_TYPE_FLAG:
647
648 /* Individual Flag field, can be multiple bits */
649
650 if (FlagBuffer)
651 {
652 /*
653 * We must increment the FlagBuffer when we have crossed
654 * into the next flags byte within the flags field
655 * of type DT_FIELD_TYPE_FLAGS_INTEGER.
656 */
657 FlagBuffer += (Info->Offset - CurrentFlagByteOffset);
658 CurrentFlagByteOffset = Info->Offset;
659
660 DtCompileFlag (FlagBuffer, LocalField, Info);
661 }
662 else
663 {
664 /* TBD - this is an internal error */
665 }
666
667 LocalField = LocalField->Next;
668 *Field = LocalField;
669 break;
670
671 case DT_FIELD_TYPE_INLINE_SUBTABLE:
672 /*
673 * Recursion (one level max): compile GAS (Generic Address)
674 * or Notify in-line subtable
675 */
676 *Field = LocalField;
677
678 switch (Info->Opcode)
679 {
680 case ACPI_DMT_GAS:
681
682 Status = DtCompileTable (Field, AcpiDmTableInfoGas,
683 &InlineSubtable);
684 break;
685
686 case ACPI_DMT_HESTNTFY:
687
688 Status = DtCompileTable (Field, AcpiDmTableInfoHestNotify,
689 &InlineSubtable);
690 break;
691
692 case ACPI_DMT_IORTMEM:
693
694 Status = DtCompileTable (Field, AcpiDmTableInfoIortAcc,
695 &InlineSubtable);
696 break;
697
698 default:
699 sprintf (MsgBuffer, "Invalid DMT opcode: 0x%.2X",
700 Info->Opcode);
701 DtFatal (ASL_MSG_COMPILER_INTERNAL, NULL, MsgBuffer);
702 Status = AE_BAD_DATA;
703 break;
704 }
705
706 if (ACPI_FAILURE (Status))
707 {
708 goto Error;
709 }
710
711 DtSetSubtableLength (InlineSubtable);
712
713 memcpy (Buffer, InlineSubtable->Buffer, FieldLength);
714 LocalField = *Field;
715 break;
716
717 case DT_FIELD_TYPE_LABEL:
718
719 DtWriteFieldToListing (Buffer, LocalField, 0);
720 LocalField = LocalField->Next;
721 break;
722
723 default:
724
725 /* Normal case for most field types (Integer, String, etc.) */
726
727 DtCompileOneField (Buffer, LocalField,
728 FieldLength, FieldType, Info->Flags);
729
730 DtWriteFieldToListing (Buffer, LocalField, FieldLength);
731 LocalField = LocalField->Next;
732
733 if (Info->Flags & DT_LENGTH)
734 {
735 /* Field is an Integer that will contain a subtable length */
736
737 Subtable->LengthField = Buffer;
738 Subtable->SizeOfLengthField = FieldLength;
739 }
740 break;
741 }
742
743 Buffer += FieldLength;
744 }
745
746 *Field = LocalField;
747 *RetSubtable = Subtable;
748 return (AE_OK);
749
750 Error:
751 ACPI_FREE (Subtable->Buffer);
752 ACPI_FREE (Subtable);
753 return (Status);
754 }
755
756
757 /******************************************************************************
758 *
759 * FUNCTION: DtCompileTwoSubtables
760 *
761 * PARAMETERS: List - Current field list pointer
762 * TableInfo1 - Info table 1
763 * TableInfo1 - Info table 2
764 *
765 * RETURN: Status
766 *
767 * DESCRIPTION: Compile tables with a header and one or more same subtables.
768 * Include CPEP, EINJ, ERST, MCFG, MSCT, WDAT
769 *
770 *****************************************************************************/
771
772 ACPI_STATUS
DtCompileTwoSubtables(void ** List,ACPI_DMTABLE_INFO * TableInfo1,ACPI_DMTABLE_INFO * TableInfo2)773 DtCompileTwoSubtables (
774 void **List,
775 ACPI_DMTABLE_INFO *TableInfo1,
776 ACPI_DMTABLE_INFO *TableInfo2)
777 {
778 ACPI_STATUS Status;
779 DT_SUBTABLE *Subtable;
780 DT_SUBTABLE *ParentTable;
781 DT_FIELD **PFieldList = (DT_FIELD **) List;
782
783
784 Status = DtCompileTable (PFieldList, TableInfo1, &Subtable);
785 if (ACPI_FAILURE (Status))
786 {
787 return (Status);
788 }
789
790 ParentTable = DtPeekSubtable ();
791 DtInsertSubtable (ParentTable, Subtable);
792
793 while (*PFieldList)
794 {
795 Status = DtCompileTable (PFieldList, TableInfo2, &Subtable);
796 if (ACPI_FAILURE (Status))
797 {
798 return (Status);
799 }
800
801 DtInsertSubtable (ParentTable, Subtable);
802 }
803
804 return (AE_OK);
805 }
806
807
808 /******************************************************************************
809 *
810 * FUNCTION: DtCompilePadding
811 *
812 * PARAMETERS: Length - Padding field size
813 * RetSubtable - Compile result of table
814 *
815 * RETURN: Status
816 *
817 * DESCRIPTION: Compile a subtable for padding purpose
818 *
819 *****************************************************************************/
820
821 ACPI_STATUS
DtCompilePadding(UINT32 Length,DT_SUBTABLE ** RetSubtable)822 DtCompilePadding (
823 UINT32 Length,
824 DT_SUBTABLE **RetSubtable)
825 {
826 DT_SUBTABLE *Subtable;
827 /* UINT8 *Buffer; */
828 char *String;
829
830
831 Subtable = UtSubtableCacheCalloc ();
832
833 if (Length > 0)
834 {
835 String = UtLocalCacheCalloc (Length);
836 Subtable->Buffer = ACPI_CAST_PTR (UINT8, String);
837 }
838
839 Subtable->Length = Length;
840 Subtable->TotalLength = Length;
841 /* Buffer = Subtable->Buffer; */
842
843 *RetSubtable = Subtable;
844 return (AE_OK);
845 }
846