1 /******************************************************************************
3 * Module Name: asloperands - AML operand processing
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2015, Intel Corp.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions, and the following disclaimer,
16 * without modification.
17 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 * substantially similar to the "NO WARRANTY" disclaimer below
19 * ("Disclaimer") and any redistribution must be conditioned upon
20 * including a substantially similar Disclaimer requirement for further
21 * binary redistribution.
22 * 3. Neither the names of the above-listed copyright holders nor the names
23 * of any contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
26 * Alternatively, this software may be distributed under the terms of the
27 * GNU General Public License ("GPL") version 2 as published by the Free
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31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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44 #include <contrib/dev/acpica/compiler/aslcompiler.h>
45 #include "aslcompiler.y.h"
46 #include <contrib/dev/acpica/include/amlcode.h>
48 #define _COMPONENT ACPI_COMPILER
49 ACPI_MODULE_NAME ("asloperands")
51 /* Local prototypes */
55 ACPI_PARSE_OBJECT *Op);
59 ACPI_PARSE_OBJECT *Op);
63 ACPI_PARSE_OBJECT *Op);
66 OpnDoDefinitionBlock (
67 ACPI_PARSE_OBJECT *Op);
71 ACPI_PARSE_OBJECT *FieldOp,
72 ACPI_PARSE_OBJECT *Op);
76 ACPI_PARSE_OBJECT *Op);
80 ACPI_PARSE_OBJECT *Op);
84 ACPI_PARSE_OBJECT *Op);
88 ACPI_PARSE_OBJECT *Op);
92 ACPI_PARSE_OBJECT *Op);
96 ACPI_PARSE_OBJECT *Op);
99 /*******************************************************************************
101 * FUNCTION: OpnDoMutex
103 * PARAMETERS: Op - The parent parse node
107 * DESCRIPTION: Construct the operands for the MUTEX ASL keyword.
109 ******************************************************************************/
113 ACPI_PARSE_OBJECT *Op)
115 ACPI_PARSE_OBJECT *Next;
118 Next = Op->Asl.Child;
119 Next = Next->Asl.Next;
121 if (Next->Asl.Value.Integer > 15)
123 AslError (ASL_ERROR, ASL_MSG_SYNC_LEVEL, Next, NULL);
129 /*******************************************************************************
131 * FUNCTION: OpnDoMethod
133 * PARAMETERS: Op - The parent parse node
137 * DESCRIPTION: Construct the operands for the METHOD ASL keyword.
139 ******************************************************************************/
143 ACPI_PARSE_OBJECT *Op)
145 ACPI_PARSE_OBJECT *Next;
147 /* Optional arguments for this opcode with defaults */
150 UINT8 Serialized = 0;
151 UINT8 Concurrency = 0;
155 /* Opcode and package length first */
158 Next = Op->Asl.Child;
162 Next = Next->Asl.Next;
163 if (Next->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
165 NumArgs = (UINT8) Next->Asl.Value.Integer;
166 Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
169 /* Serialized Flag */
171 Next = Next->Asl.Next;
172 if (Next->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
174 Serialized = (UINT8) Next->Asl.Value.Integer;
175 Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
178 /* Concurrency value (valid values are 0-15) */
180 Next = Next->Asl.Next;
181 if (Next->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
183 /* This is a ByteConstExpr, so eval the constant now */
185 OpcAmlConstantWalk (Next, 0, NULL);
187 if (Next->Asl.Value.Integer > 15)
189 AslError (ASL_ERROR, ASL_MSG_SYNC_LEVEL, Next, NULL);
191 Concurrency = (UINT8) Next->Asl.Value.Integer;
194 /* Put the bits in their proper places */
196 MethodFlags = (UINT8) ((NumArgs & 0x7) |
197 ((Serialized & 0x1) << 3) |
198 ((Concurrency & 0xF) << 4));
200 /* Use the last node for the combined flags byte */
202 Next->Asl.Value.Integer = MethodFlags;
203 Next->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
204 Next->Asl.AmlLength = 1;
205 Next->Asl.ParseOpcode = PARSEOP_RAW_DATA;
207 /* Save the arg count in the first node */
209 Op->Asl.Extra = NumArgs;
213 /*******************************************************************************
215 * FUNCTION: OpnDoFieldCommon
217 * PARAMETERS: FieldOp - Node for an ASL field
218 * Op - The parent parse node
222 * DESCRIPTION: Construct the AML operands for the various field keywords,
223 * FIELD, BANKFIELD, INDEXFIELD
225 ******************************************************************************/
229 ACPI_PARSE_OBJECT *FieldOp,
230 ACPI_PARSE_OBJECT *Op)
232 ACPI_PARSE_OBJECT *Next;
233 ACPI_PARSE_OBJECT *PkgLengthNode;
234 UINT32 CurrentBitOffset;
240 UINT32 MinimumLength;
243 /* AccessType -- not optional, so no need to check for DEFAULT_ARG */
245 AccessType = (UINT8) Op->Asl.Value.Integer;
246 Op->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
248 /* Set the access type in the parent (field) node for use later */
250 FieldOp->Asl.Value.Integer = AccessType;
252 /* LockRule -- not optional, so no need to check for DEFAULT_ARG */
255 LockRule = (UINT8) Next->Asl.Value.Integer;
256 Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
258 /* UpdateRule -- not optional, so no need to check for DEFAULT_ARG */
260 Next = Next->Asl.Next;
261 UpdateRule = (UINT8) Next->Asl.Value.Integer;
264 * Generate the flags byte. The various fields are already
265 * in the right bit position via translation from the
266 * keywords by the parser.
268 FieldFlags = (UINT8) (AccessType | LockRule | UpdateRule);
270 /* Use the previous node to be the FieldFlags node */
272 /* Set the node to RAW_DATA */
274 Next->Asl.Value.Integer = FieldFlags;
275 Next->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
276 Next->Asl.AmlLength = 1;
277 Next->Asl.ParseOpcode = PARSEOP_RAW_DATA;
279 /* Process the FieldUnitList */
281 Next = Next->Asl.Next;
282 CurrentBitOffset = 0;
286 /* Save the offset of this field unit */
288 Next->Asl.ExtraValue = CurrentBitOffset;
290 switch (Next->Asl.ParseOpcode)
292 case PARSEOP_ACCESSAS:
294 PkgLengthNode = Next->Asl.Child;
295 AccessType = (UINT8) PkgLengthNode->Asl.Value.Integer;
297 /* Nothing additional to do */
302 /* New offset into the field */
304 PkgLengthNode = Next->Asl.Child;
305 NewBitOffset = ((UINT32) PkgLengthNode->Asl.Value.Integer) * 8;
308 * Examine the specified offset in relation to the
309 * current offset counter.
311 if (NewBitOffset < CurrentBitOffset)
314 * Not allowed to specify a backwards offset!
315 * Issue error and ignore this node.
317 AslError (ASL_ERROR, ASL_MSG_BACKWARDS_OFFSET, PkgLengthNode,
319 Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
320 PkgLengthNode->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
322 else if (NewBitOffset == CurrentBitOffset)
325 * Offset is redundant; we don't need to output an
326 * offset opcode. Just set these nodes to default
328 Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
329 PkgLengthNode->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
334 * Valid new offset - set the value to be inserted into the AML
335 * and update the offset counter.
337 PkgLengthNode->Asl.Value.Integer =
338 NewBitOffset - CurrentBitOffset;
339 CurrentBitOffset = NewBitOffset;
343 case PARSEOP_NAMESEG:
344 case PARSEOP_RESERVED_BYTES:
346 /* Named or reserved field entry */
348 PkgLengthNode = Next->Asl.Child;
349 NewBitOffset = (UINT32) PkgLengthNode->Asl.Value.Integer;
350 CurrentBitOffset += NewBitOffset;
352 /* Save the current AccessAs value for error checking later */
356 case AML_FIELD_ACCESS_ANY:
357 case AML_FIELD_ACCESS_BYTE:
358 case AML_FIELD_ACCESS_BUFFER:
364 case AML_FIELD_ACCESS_WORD:
368 case AML_FIELD_ACCESS_DWORD:
372 case AML_FIELD_ACCESS_QWORD:
377 PkgLengthNode->Asl.ExtraValue = MinimumLength;
382 /* All supported field opcodes must appear above */
387 /* Move on to next entry in the field list */
389 Next = Next->Asl.Next;
394 /*******************************************************************************
396 * FUNCTION: OpnDoField
398 * PARAMETERS: Op - The parent parse node
402 * DESCRIPTION: Construct the AML operands for the FIELD ASL keyword
404 ******************************************************************************/
408 ACPI_PARSE_OBJECT *Op)
410 ACPI_PARSE_OBJECT *Next;
413 /* Opcode is parent node */
414 /* First child is field name */
416 Next = Op->Asl.Child;
418 /* Second child is the AccessType */
420 OpnDoFieldCommon (Op, Next->Asl.Next);
424 /*******************************************************************************
426 * FUNCTION: OpnDoIndexField
428 * PARAMETERS: Op - The parent parse node
432 * DESCRIPTION: Construct the AML operands for the INDEXFIELD ASL keyword
434 ******************************************************************************/
438 ACPI_PARSE_OBJECT *Op)
440 ACPI_PARSE_OBJECT *Next;
443 /* Opcode is parent node */
444 /* First child is the index name */
446 Next = Op->Asl.Child;
448 /* Second child is the data name */
450 Next = Next->Asl.Next;
452 /* Third child is the AccessType */
454 OpnDoFieldCommon (Op, Next->Asl.Next);
458 /*******************************************************************************
460 * FUNCTION: OpnDoBankField
462 * PARAMETERS: Op - The parent parse node
466 * DESCRIPTION: Construct the AML operands for the BANKFIELD ASL keyword
468 ******************************************************************************/
472 ACPI_PARSE_OBJECT *Op)
474 ACPI_PARSE_OBJECT *Next;
477 /* Opcode is parent node */
478 /* First child is the region name */
480 Next = Op->Asl.Child;
482 /* Second child is the bank name */
484 Next = Next->Asl.Next;
486 /* Third child is the bank value */
488 Next = Next->Asl.Next;
490 /* Fourth child is the AccessType */
492 OpnDoFieldCommon (Op, Next->Asl.Next);
496 /*******************************************************************************
498 * FUNCTION: OpnDoRegion
500 * PARAMETERS: Op - The parent parse node
504 * DESCRIPTION: Tries to get the length of the region. Can only do this at
505 * compile time if the length is a constant.
507 ******************************************************************************/
511 ACPI_PARSE_OBJECT *Op)
513 ACPI_PARSE_OBJECT *Next;
516 /* Opcode is parent node */
517 /* First child is the region name */
519 Next = Op->Asl.Child;
521 /* Second child is the space ID*/
523 Next = Next->Asl.Next;
525 /* Third child is the region offset */
527 Next = Next->Asl.Next;
529 /* Fourth child is the region length */
531 Next = Next->Asl.Next;
532 if (Next->Asl.ParseOpcode == PARSEOP_INTEGER)
534 Op->Asl.Value.Integer = Next->Asl.Value.Integer;
538 Op->Asl.Value.Integer = ACPI_UINT64_MAX;
543 /*******************************************************************************
545 * FUNCTION: OpnDoBuffer
547 * PARAMETERS: Op - The parent parse node
551 * DESCRIPTION: Construct the AML operands for the BUFFER ASL keyword. We
552 * build a single raw byte buffer from the initialization nodes,
553 * each parse node contains a buffer byte.
555 ******************************************************************************/
559 ACPI_PARSE_OBJECT *Op)
561 ACPI_PARSE_OBJECT *InitializerOp;
562 ACPI_PARSE_OBJECT *BufferLengthOp;
564 /* Optional arguments for this opcode with defaults */
566 UINT32 BufferLength = 0;
569 /* Opcode and package length first */
570 /* Buffer Length is next, followed by the initializer list */
572 BufferLengthOp = Op->Asl.Child;
573 InitializerOp = BufferLengthOp->Asl.Next;
576 * If the BufferLength is not an INTEGER or was not specified in the ASL
577 * (DEFAULT_ARG), it is a TermArg that is
578 * evaluated at run-time, and we are therefore finished.
580 if ((BufferLengthOp->Asl.ParseOpcode != PARSEOP_INTEGER) &&
581 (BufferLengthOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG))
587 * We want to count the number of items in the initializer list, because if
588 * it is larger than the buffer length, we will define the buffer size
589 * to be the size of the initializer list (as per the ACPI Specification)
591 switch (InitializerOp->Asl.ParseOpcode)
593 case PARSEOP_INTEGER:
594 case PARSEOP_BYTECONST:
595 case PARSEOP_WORDCONST:
596 case PARSEOP_DWORDCONST:
598 /* The peer list contains the byte list (if any...) */
600 while (InitializerOp)
602 /* For buffers, this is a list of raw bytes */
604 InitializerOp->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
605 InitializerOp->Asl.AmlLength = 1;
606 InitializerOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
609 InitializerOp = ASL_GET_PEER_NODE (InitializerOp);
613 case PARSEOP_STRING_LITERAL:
616 * Only one initializer, the string. Buffer must be big enough to hold
617 * the string plus the null termination byte
619 BufferLength = strlen (InitializerOp->Asl.Value.String) + 1;
621 InitializerOp->Asl.AmlOpcode = AML_RAW_DATA_BUFFER;
622 InitializerOp->Asl.AmlLength = BufferLength;
623 InitializerOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
626 case PARSEOP_RAW_DATA:
628 /* Buffer nodes are already initialized (e.g. Unicode operator) */
631 case PARSEOP_DEFAULT_ARG:
636 AslError (ASL_ERROR, ASL_MSG_INVALID_OPERAND, InitializerOp,
637 "Unknown buffer initializer opcode");
638 printf ("Unknown buffer initializer opcode [%s]\n",
639 UtGetOpName (InitializerOp->Asl.ParseOpcode));
643 /* Check if initializer list is longer than the buffer length */
645 if (BufferLengthOp->Asl.Value.Integer > BufferLength)
647 BufferLength = (UINT32) BufferLengthOp->Asl.Value.Integer;
652 /* No length AND no items -- issue notice */
654 AslError (ASL_REMARK, ASL_MSG_BUFFER_LENGTH, BufferLengthOp, NULL);
656 /* But go ahead and put the buffer length of zero into the AML */
660 * Just set the buffer size node to be the buffer length, regardless
661 * of whether it was previously an integer or a default_arg placeholder
663 BufferLengthOp->Asl.ParseOpcode = PARSEOP_INTEGER;
664 BufferLengthOp->Asl.AmlOpcode = AML_DWORD_OP;
665 BufferLengthOp->Asl.Value.Integer = BufferLength;
667 (void) OpcSetOptimalIntegerSize (BufferLengthOp);
669 /* Remaining nodes are handled via the tree walk */
673 /*******************************************************************************
675 * FUNCTION: OpnDoPackage
677 * PARAMETERS: Op - The parent parse node
681 * DESCRIPTION: Construct the AML operands for the PACKAGE ASL keyword. NOTE:
682 * can only be called after constants have been folded, to ensure
683 * that the PackageLength operand has been fully reduced.
685 ******************************************************************************/
689 ACPI_PARSE_OBJECT *Op)
691 ACPI_PARSE_OBJECT *InitializerOp;
692 ACPI_PARSE_OBJECT *PackageLengthOp;
693 UINT32 PackageLength = 0;
696 /* Opcode and package length first, followed by the initializer list */
698 PackageLengthOp = Op->Asl.Child;
699 InitializerOp = PackageLengthOp->Asl.Next;
701 /* Count the number of items in the initializer list */
703 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
705 /* The peer list contains the byte list (if any...) */
707 while (InitializerOp)
710 InitializerOp = InitializerOp->Asl.Next;
714 /* If package length is a constant, compare to the initializer list */
716 if ((PackageLengthOp->Asl.ParseOpcode == PARSEOP_INTEGER) ||
717 (PackageLengthOp->Asl.ParseOpcode == PARSEOP_QWORDCONST))
719 if (PackageLengthOp->Asl.Value.Integer > PackageLength)
722 * Allow package length to be longer than the initializer
723 * list -- but if the length of initializer list is nonzero,
724 * issue a message since this is probably a coding error,
725 * even though technically legal.
727 if (PackageLength > 0)
729 AslError (ASL_REMARK, ASL_MSG_LIST_LENGTH_SHORT,
730 PackageLengthOp, NULL);
733 PackageLength = (UINT32) PackageLengthOp->Asl.Value.Integer;
735 else if (PackageLengthOp->Asl.Value.Integer < PackageLength)
738 * The package length is smaller than the length of the
739 * initializer list. This is an error as per the ACPI spec.
741 AslError (ASL_ERROR, ASL_MSG_LIST_LENGTH_LONG,
742 PackageLengthOp, NULL);
746 if (PackageLengthOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
749 * This is the case if the PackageLength was left empty - Package()
750 * The package length becomes the length of the initializer list
752 Op->Asl.Child->Asl.ParseOpcode = PARSEOP_INTEGER;
753 Op->Asl.Child->Asl.Value.Integer = PackageLength;
755 /* Set the AML opcode */
757 (void) OpcSetOptimalIntegerSize (Op->Asl.Child);
760 /* If not a variable-length package, check for a zero package length */
762 if ((PackageLengthOp->Asl.ParseOpcode == PARSEOP_INTEGER) ||
763 (PackageLengthOp->Asl.ParseOpcode == PARSEOP_QWORDCONST) ||
764 (PackageLengthOp->Asl.ParseOpcode == PARSEOP_ZERO) ||
765 (PackageLengthOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG))
769 /* No length AND no initializer list -- issue a remark */
771 AslError (ASL_REMARK, ASL_MSG_PACKAGE_LENGTH,
772 PackageLengthOp, NULL);
774 /* But go ahead and put the buffer length of zero into the AML */
779 * If the PackageLength is a constant <= 255, we can change the
780 * AML opcode from VarPackage to a simple (ACPI 1.0) Package opcode.
782 if (((Op->Asl.Child->Asl.ParseOpcode == PARSEOP_INTEGER) &&
783 (Op->Asl.Child->Asl.Value.Integer <= 255)) ||
784 (Op->Asl.Child->Asl.ParseOpcode == PARSEOP_ONE) ||
785 (Op->Asl.Child->Asl.ParseOpcode == PARSEOP_ONES)||
786 (Op->Asl.Child->Asl.ParseOpcode == PARSEOP_ZERO))
788 Op->Asl.AmlOpcode = AML_PACKAGE_OP;
789 Op->Asl.ParseOpcode = PARSEOP_PACKAGE;
792 * Just set the package size node to be the package length, regardless
793 * of whether it was previously an integer or a default_arg placeholder
795 PackageLengthOp->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
796 PackageLengthOp->Asl.AmlLength = 1;
797 PackageLengthOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
798 PackageLengthOp->Asl.Value.Integer = PackageLength;
801 /* Remaining nodes are handled via the tree walk */
805 /*******************************************************************************
807 * FUNCTION: OpnDoLoadTable
809 * PARAMETERS: Op - The parent parse node
813 * DESCRIPTION: Construct the AML operands for the LOADTABLE ASL keyword.
815 ******************************************************************************/
819 ACPI_PARSE_OBJECT *Op)
821 ACPI_PARSE_OBJECT *Next;
824 /* Opcode is parent node */
825 /* First child is the table signature */
827 Next = Op->Asl.Child;
829 /* Second child is the OEM ID*/
831 Next = Next->Asl.Next;
833 /* Third child is the OEM table ID */
835 Next = Next->Asl.Next;
837 /* Fourth child is the RootPath string */
839 Next = Next->Asl.Next;
840 if (Next->Asl.ParseOpcode == PARSEOP_ZERO)
842 Next->Asl.ParseOpcode = PARSEOP_STRING_LITERAL;
843 Next->Asl.Value.String = "\\";
844 Next->Asl.AmlLength = 2;
845 OpcGenerateAmlOpcode (Next);
848 #ifdef ASL_FUTURE_IMPLEMENTATION
850 /* TBD: NOT IMPLEMENTED */
851 /* Fifth child is the [optional] ParameterPathString */
852 /* Sixth child is the [optional] ParameterData */
854 Next = Next->Asl.Next;
855 if (Next->Asl.ParseOpcode == DEFAULT_ARG)
857 Next->Asl.AmlLength = 1;
858 Next->Asl.ParseOpcode = ZERO;
859 OpcGenerateAmlOpcode (Next);
863 Next = Next->Asl.Next;
864 if (Next->Asl.ParseOpcode == DEFAULT_ARG)
866 Next->Asl.AmlLength = 1;
867 Next->Asl.ParseOpcode = ZERO;
868 OpcGenerateAmlOpcode (Next);
874 /*******************************************************************************
876 * FUNCTION: OpnDoDefinitionBlock
878 * PARAMETERS: Op - The parent parse node
882 * DESCRIPTION: Construct the AML operands for the DEFINITIONBLOCK ASL keyword
884 ******************************************************************************/
887 OpnDoDefinitionBlock (
888 ACPI_PARSE_OBJECT *Op)
890 ACPI_PARSE_OBJECT *Child;
897 * These nodes get stuffed into the table header. They are special
898 * cased when the table is written to the output file.
900 * Mark all of these nodes as non-usable so they won't get output
904 /* Get AML filename. Use it if non-null */
906 Child = Op->Asl.Child;
907 if (Child->Asl.Value.Buffer &&
908 *Child->Asl.Value.Buffer &&
909 (Gbl_UseDefaultAmlFilename))
912 * We will use the AML filename that is embedded in the source file
913 * for the output filename.
915 Filename = UtStringCacheCalloc (strlen (Gbl_DirectoryPath) +
916 strlen ((char *) Child->Asl.Value.Buffer) + 1);
918 /* Prepend the current directory path */
920 strcpy (Filename, Gbl_DirectoryPath);
921 strcat (Filename, (char *) Child->Asl.Value.Buffer);
923 Gbl_OutputFilenamePrefix = Filename;
924 UtConvertBackslashes (Gbl_OutputFilenamePrefix);
926 Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
930 Child = Child->Asl.Next;
931 Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
932 if (Child->Asl.Value.String)
934 Gbl_TableSignature = Child->Asl.Value.String;
935 if (ACPI_STRLEN (Gbl_TableSignature) != 4)
937 AslError (ASL_ERROR, ASL_MSG_TABLE_SIGNATURE, Child,
938 "Length not exactly 4");
941 for (i = 0; i < 4; i++)
943 if (!isalnum ((int) Gbl_TableSignature[i]))
945 AslError (ASL_ERROR, ASL_MSG_TABLE_SIGNATURE, Child,
946 "Contains non-alphanumeric characters");
953 Child = Child->Asl.Next;
954 Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
956 * We used the revision to set the integer width earlier
961 Child = Child->Asl.Next;
962 Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
966 Child = Child->Asl.Next;
967 Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
968 if (Child->Asl.Value.String)
970 Length = ACPI_STRLEN (Child->Asl.Value.String);
971 Gbl_TableId = UtStringCacheCalloc (Length + 1);
972 ACPI_STRCPY (Gbl_TableId, Child->Asl.Value.String);
975 * Convert anything non-alphanumeric to an underscore. This
976 * allows us to use the TableID to generate unique C symbols.
978 for (i = 0; i < Length; i++)
980 if (!isalnum ((int) Gbl_TableId[i]))
982 Gbl_TableId[i] = '_';
989 Child = Child->Asl.Next;
990 Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
994 /*******************************************************************************
998 * PARAMETERS: Op - Get an argument for this op
999 * Argn - Nth argument to get
1001 * RETURN: The argument (as an Op object). NULL if argument does not exist
1003 * DESCRIPTION: Get the specified op's argument (peer)
1005 ******************************************************************************/
1009 ACPI_PARSE_OBJECT *Op,
1012 ACPI_PARSE_OBJECT *Arg = NULL;
1015 /* Get the requested argument object */
1017 Arg = Op->Asl.Child;
1021 Arg = Arg->Asl.Next;
1028 /*******************************************************************************
1030 * FUNCTION: OpnAttachNameToNode
1032 * PARAMETERS: Op - The parent parse node
1036 * DESCRIPTION: For the named ASL/AML operators, get the actual name from the
1037 * argument list and attach it to the parent node so that we
1038 * can get to it quickly later.
1040 ******************************************************************************/
1043 OpnAttachNameToNode (
1044 ACPI_PARSE_OBJECT *Op)
1046 ACPI_PARSE_OBJECT *Child = NULL;
1049 if (Op->Asl.ParseOpcode == PARSEOP_EXTERNAL)
1051 Child = UtGetArg (Op, 0);
1053 else switch (Op->Asl.AmlOpcode)
1055 case AML_DATA_REGION_OP:
1061 case AML_POWER_RES_OP:
1062 case AML_PROCESSOR_OP:
1063 case AML_THERMAL_ZONE_OP:
1067 Child = UtGetArg (Op, 0);
1072 Child = UtGetArg (Op, 1);
1075 case AML_CREATE_BIT_FIELD_OP:
1076 case AML_CREATE_BYTE_FIELD_OP:
1077 case AML_CREATE_WORD_FIELD_OP:
1078 case AML_CREATE_DWORD_FIELD_OP:
1079 case AML_CREATE_QWORD_FIELD_OP:
1081 Child = UtGetArg (Op, 2);
1084 case AML_CREATE_FIELD_OP:
1086 Child = UtGetArg (Op, 3);
1089 case AML_BANK_FIELD_OP:
1090 case AML_INDEX_FIELD_OP:
1102 UtAttachNamepathToOwner (Op, Child);
1107 /*******************************************************************************
1109 * FUNCTION: OpnGenerateAmlOperands
1111 * PARAMETERS: Op - The parent parse node
1115 * DESCRIPTION: Prepare nodes to be output as AML data and operands. The more
1116 * complex AML opcodes require processing of the child nodes
1117 * (arguments/operands).
1119 ******************************************************************************/
1122 OpnGenerateAmlOperands (
1123 ACPI_PARSE_OBJECT *Op)
1127 if (Op->Asl.AmlOpcode == AML_RAW_DATA_BYTE)
1132 switch (Op->Asl.ParseOpcode)
1134 case PARSEOP_DEFINITIONBLOCK:
1136 OpnDoDefinitionBlock (Op);
1139 case PARSEOP_METHOD:
1154 case PARSEOP_INDEXFIELD:
1156 OpnDoIndexField (Op);
1159 case PARSEOP_BANKFIELD:
1161 OpnDoBankField (Op);
1164 case PARSEOP_BUFFER:
1169 case PARSEOP_LOADTABLE:
1171 OpnDoLoadTable (Op);
1174 case PARSEOP_OPERATIONREGION:
1179 case PARSEOP_RESOURCETEMPLATE:
1181 RsDoResourceTemplate (Op);
1184 case PARSEOP_NAMESEG:
1185 case PARSEOP_NAMESTRING:
1186 case PARSEOP_METHODCALL:
1187 case PARSEOP_STRING_LITERAL:
1198 OpnAttachNameToNode (Op);