1 /******************************************************************************
3 * Module Name: asloperands - AML operand processing
5 *****************************************************************************/
8 * Copyright (C) 2000 - 2012, 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
28 * Software Foundation.
31 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
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41 * POSSIBILITY OF SUCH DAMAGES.
45 #include <contrib/dev/acpica/compiler/aslcompiler.h>
46 #include "aslcompiler.y.h"
47 #include <contrib/dev/acpica/include/amlcode.h>
49 #define _COMPONENT ACPI_COMPILER
50 ACPI_MODULE_NAME ("asloperands")
52 /* Local prototypes */
56 ACPI_PARSE_OBJECT *Op);
60 ACPI_PARSE_OBJECT *Op);
64 ACPI_PARSE_OBJECT *Op);
67 OpnDoDefinitionBlock (
68 ACPI_PARSE_OBJECT *Op);
72 ACPI_PARSE_OBJECT *FieldOp,
73 ACPI_PARSE_OBJECT *Op);
77 ACPI_PARSE_OBJECT *Op);
81 ACPI_PARSE_OBJECT *Op);
85 ACPI_PARSE_OBJECT *Op);
89 ACPI_PARSE_OBJECT *Op);
93 ACPI_PARSE_OBJECT *Op);
97 ACPI_PARSE_OBJECT *Op);
100 /*******************************************************************************
102 * FUNCTION: OpnDoMutex
104 * PARAMETERS: Op - The parent parse node
108 * DESCRIPTION: Construct the operands for the MUTEX ASL keyword.
110 ******************************************************************************/
114 ACPI_PARSE_OBJECT *Op)
116 ACPI_PARSE_OBJECT *Next;
119 Next = Op->Asl.Child;
120 Next = Next->Asl.Next;
122 if (Next->Asl.Value.Integer > 15)
124 AslError (ASL_ERROR, ASL_MSG_SYNC_LEVEL, Next, NULL);
130 /*******************************************************************************
132 * FUNCTION: OpnDoMethod
134 * PARAMETERS: Op - The parent parse node
138 * DESCRIPTION: Construct the operands for the METHOD ASL keyword.
140 ******************************************************************************/
144 ACPI_PARSE_OBJECT *Op)
146 ACPI_PARSE_OBJECT *Next;
148 /* Optional arguments for this opcode with defaults */
151 UINT8 Serialized = 0;
152 UINT8 Concurrency = 0;
156 /* Opcode and package length first */
159 Next = Op->Asl.Child;
163 Next = Next->Asl.Next;
164 if (Next->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
166 NumArgs = (UINT8) Next->Asl.Value.Integer;
167 Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
170 /* Serialized Flag */
172 Next = Next->Asl.Next;
173 if (Next->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
175 Serialized = (UINT8) Next->Asl.Value.Integer;
176 Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
179 /* Concurrency value (valid values are 0-15) */
181 Next = Next->Asl.Next;
182 if (Next->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
184 /* This is a ByteConstExpr, so eval the constant now */
186 OpcAmlConstantWalk (Next, 0, NULL);
188 if (Next->Asl.Value.Integer > 15)
190 AslError (ASL_ERROR, ASL_MSG_SYNC_LEVEL, Next, NULL);
192 Concurrency = (UINT8) Next->Asl.Value.Integer;
195 /* Put the bits in their proper places */
197 MethodFlags = (UINT8) ((NumArgs & 0x7) |
198 ((Serialized & 0x1) << 3) |
199 ((Concurrency & 0xF) << 4));
201 /* Use the last node for the combined flags byte */
203 Next->Asl.Value.Integer = MethodFlags;
204 Next->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
205 Next->Asl.AmlLength = 1;
206 Next->Asl.ParseOpcode = PARSEOP_RAW_DATA;
208 /* Save the arg count in the first node */
210 Op->Asl.Extra = NumArgs;
214 /*******************************************************************************
216 * FUNCTION: OpnDoFieldCommon
218 * PARAMETERS: FieldOp - Node for an ASL field
219 * Op - The parent parse node
223 * DESCRIPTION: Construct the AML operands for the various field keywords,
224 * FIELD, BANKFIELD, INDEXFIELD
226 ******************************************************************************/
230 ACPI_PARSE_OBJECT *FieldOp,
231 ACPI_PARSE_OBJECT *Op)
233 ACPI_PARSE_OBJECT *Next;
234 ACPI_PARSE_OBJECT *PkgLengthNode;
235 UINT32 CurrentBitOffset;
241 UINT32 MinimumLength;
244 /* AccessType -- not optional, so no need to check for DEFAULT_ARG */
246 AccessType = (UINT8) Op->Asl.Value.Integer;
247 Op->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
249 /* Set the access type in the parent (field) node for use later */
251 FieldOp->Asl.Value.Integer = AccessType;
253 /* LockRule -- not optional, so no need to check for DEFAULT_ARG */
256 LockRule = (UINT8) Next->Asl.Value.Integer;
257 Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
259 /* UpdateRule -- not optional, so no need to check for DEFAULT_ARG */
261 Next = Next->Asl.Next;
262 UpdateRule = (UINT8) Next->Asl.Value.Integer;
265 * Generate the flags byte. The various fields are already
266 * in the right bit position via translation from the
267 * keywords by the parser.
269 FieldFlags = (UINT8) (AccessType | LockRule | UpdateRule);
271 /* Use the previous node to be the FieldFlags node */
273 /* Set the node to RAW_DATA */
275 Next->Asl.Value.Integer = FieldFlags;
276 Next->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
277 Next->Asl.AmlLength = 1;
278 Next->Asl.ParseOpcode = PARSEOP_RAW_DATA;
280 /* Process the FieldUnitList */
282 Next = Next->Asl.Next;
283 CurrentBitOffset = 0;
287 /* Save the offset of this field unit */
289 Next->Asl.ExtraValue = CurrentBitOffset;
291 switch (Next->Asl.ParseOpcode)
293 case PARSEOP_ACCESSAS:
295 PkgLengthNode = Next->Asl.Child;
296 AccessType = (UINT8) PkgLengthNode->Asl.Value.Integer;
298 /* Nothing additional to do */
304 /* New offset into the field */
306 PkgLengthNode = Next->Asl.Child;
307 NewBitOffset = ((UINT32) PkgLengthNode->Asl.Value.Integer) * 8;
310 * Examine the specified offset in relation to the
311 * current offset counter.
313 if (NewBitOffset < CurrentBitOffset)
316 * Not allowed to specify a backwards offset!
317 * Issue error and ignore this node.
319 AslError (ASL_ERROR, ASL_MSG_BACKWARDS_OFFSET, PkgLengthNode,
321 Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
322 PkgLengthNode->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
324 else if (NewBitOffset == CurrentBitOffset)
327 * Offset is redundant; we don't need to output an
328 * offset opcode. Just set these nodes to default
330 Next->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
331 PkgLengthNode->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
336 * Valid new offset - set the value to be inserted into the AML
337 * and update the offset counter.
339 PkgLengthNode->Asl.Value.Integer =
340 NewBitOffset - CurrentBitOffset;
341 CurrentBitOffset = NewBitOffset;
346 case PARSEOP_NAMESEG:
347 case PARSEOP_RESERVED_BYTES:
349 /* Named or reserved field entry */
351 PkgLengthNode = Next->Asl.Child;
352 NewBitOffset = (UINT32) PkgLengthNode->Asl.Value.Integer;
353 CurrentBitOffset += NewBitOffset;
355 /* Save the current AccessAs value for error checking later */
359 case AML_FIELD_ACCESS_ANY:
360 case AML_FIELD_ACCESS_BYTE:
361 case AML_FIELD_ACCESS_BUFFER:
366 case AML_FIELD_ACCESS_WORD:
370 case AML_FIELD_ACCESS_DWORD:
374 case AML_FIELD_ACCESS_QWORD:
379 PkgLengthNode->Asl.ExtraValue = MinimumLength;
383 /* 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);
614 case PARSEOP_STRING_LITERAL:
617 * Only one initializer, the string. Buffer must be big enough to hold
618 * the string plus the null termination byte
620 BufferLength = strlen (InitializerOp->Asl.Value.String) + 1;
622 InitializerOp->Asl.AmlOpcode = AML_RAW_DATA_BUFFER;
623 InitializerOp->Asl.AmlLength = BufferLength;
624 InitializerOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
628 case PARSEOP_RAW_DATA:
630 /* Buffer nodes are already initialized (e.g. Unicode operator) */
634 case PARSEOP_DEFAULT_ARG:
639 AslError (ASL_ERROR, ASL_MSG_INVALID_OPERAND, InitializerOp,
640 "Unknown buffer initializer opcode");
641 printf ("Unknown buffer initializer opcode [%s]\n",
642 UtGetOpName (InitializerOp->Asl.ParseOpcode));
646 /* Check if initializer list is longer than the buffer length */
648 if (BufferLengthOp->Asl.Value.Integer > BufferLength)
650 BufferLength = (UINT32) BufferLengthOp->Asl.Value.Integer;
655 /* No length AND no items -- issue notice */
657 AslError (ASL_REMARK, ASL_MSG_BUFFER_LENGTH, BufferLengthOp, NULL);
659 /* But go ahead and put the buffer length of zero into the AML */
663 * Just set the buffer size node to be the buffer length, regardless
664 * of whether it was previously an integer or a default_arg placeholder
666 BufferLengthOp->Asl.ParseOpcode = PARSEOP_INTEGER;
667 BufferLengthOp->Asl.AmlOpcode = AML_DWORD_OP;
668 BufferLengthOp->Asl.Value.Integer = BufferLength;
670 (void) OpcSetOptimalIntegerSize (BufferLengthOp);
672 /* Remaining nodes are handled via the tree walk */
676 /*******************************************************************************
678 * FUNCTION: OpnDoPackage
680 * PARAMETERS: Op - The parent parse node
684 * DESCRIPTION: Construct the AML operands for the PACKAGE ASL keyword. NOTE:
685 * can only be called after constants have been folded, to ensure
686 * that the PackageLength operand has been fully reduced.
688 ******************************************************************************/
692 ACPI_PARSE_OBJECT *Op)
694 ACPI_PARSE_OBJECT *InitializerOp;
695 ACPI_PARSE_OBJECT *PackageLengthOp;
696 UINT32 PackageLength = 0;
699 /* Opcode and package length first, followed by the initializer list */
701 PackageLengthOp = Op->Asl.Child;
702 InitializerOp = PackageLengthOp->Asl.Next;
704 /* Count the number of items in the initializer list */
706 if (InitializerOp->Asl.ParseOpcode != PARSEOP_DEFAULT_ARG)
708 /* The peer list contains the byte list (if any...) */
710 while (InitializerOp)
713 InitializerOp = InitializerOp->Asl.Next;
717 /* If package length is a constant, compare to the initializer list */
719 if ((PackageLengthOp->Asl.ParseOpcode == PARSEOP_INTEGER) ||
720 (PackageLengthOp->Asl.ParseOpcode == PARSEOP_QWORDCONST))
722 if (PackageLengthOp->Asl.Value.Integer > PackageLength)
725 * Allow package length to be longer than the initializer
726 * list -- but if the length of initializer list is nonzero,
727 * issue a message since this is probably a coding error,
728 * even though technically legal.
730 if (PackageLength > 0)
732 AslError (ASL_REMARK, ASL_MSG_LIST_LENGTH_SHORT,
733 PackageLengthOp, NULL);
736 PackageLength = (UINT32) PackageLengthOp->Asl.Value.Integer;
738 else if (PackageLengthOp->Asl.Value.Integer < PackageLength)
741 * The package length is smaller than the length of the
742 * initializer list. This is an error as per the ACPI spec.
744 AslError (ASL_ERROR, ASL_MSG_LIST_LENGTH_LONG,
745 PackageLengthOp, NULL);
749 if (PackageLengthOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG)
752 * This is the case if the PackageLength was left empty - Package()
753 * The package length becomes the length of the initializer list
755 Op->Asl.Child->Asl.ParseOpcode = PARSEOP_INTEGER;
756 Op->Asl.Child->Asl.Value.Integer = PackageLength;
758 /* Set the AML opcode */
760 (void) OpcSetOptimalIntegerSize (Op->Asl.Child);
763 /* If not a variable-length package, check for a zero package length */
765 if ((PackageLengthOp->Asl.ParseOpcode == PARSEOP_INTEGER) ||
766 (PackageLengthOp->Asl.ParseOpcode == PARSEOP_QWORDCONST) ||
767 (PackageLengthOp->Asl.ParseOpcode == PARSEOP_ZERO) ||
768 (PackageLengthOp->Asl.ParseOpcode == PARSEOP_DEFAULT_ARG))
772 /* No length AND no initializer list -- issue a remark */
774 AslError (ASL_REMARK, ASL_MSG_PACKAGE_LENGTH,
775 PackageLengthOp, NULL);
777 /* But go ahead and put the buffer length of zero into the AML */
782 * If the PackageLength is a constant <= 255, we can change the
783 * AML opcode from VarPackage to a simple (ACPI 1.0) Package opcode.
785 if (((Op->Asl.Child->Asl.ParseOpcode == PARSEOP_INTEGER) &&
786 (Op->Asl.Child->Asl.Value.Integer <= 255)) ||
787 (Op->Asl.Child->Asl.ParseOpcode == PARSEOP_ONE) ||
788 (Op->Asl.Child->Asl.ParseOpcode == PARSEOP_ONES)||
789 (Op->Asl.Child->Asl.ParseOpcode == PARSEOP_ZERO))
791 Op->Asl.AmlOpcode = AML_PACKAGE_OP;
792 Op->Asl.ParseOpcode = PARSEOP_PACKAGE;
795 * Just set the package size node to be the package length, regardless
796 * of whether it was previously an integer or a default_arg placeholder
798 PackageLengthOp->Asl.AmlOpcode = AML_RAW_DATA_BYTE;
799 PackageLengthOp->Asl.AmlLength = 1;
800 PackageLengthOp->Asl.ParseOpcode = PARSEOP_RAW_DATA;
801 PackageLengthOp->Asl.Value.Integer = PackageLength;
804 /* Remaining nodes are handled via the tree walk */
808 /*******************************************************************************
810 * FUNCTION: OpnDoLoadTable
812 * PARAMETERS: Op - The parent parse node
816 * DESCRIPTION: Construct the AML operands for the LOADTABLE ASL keyword.
818 ******************************************************************************/
822 ACPI_PARSE_OBJECT *Op)
824 ACPI_PARSE_OBJECT *Next;
827 /* Opcode is parent node */
828 /* First child is the table signature */
830 Next = Op->Asl.Child;
832 /* Second child is the OEM ID*/
834 Next = Next->Asl.Next;
836 /* Third child is the OEM table ID */
838 Next = Next->Asl.Next;
840 /* Fourth child is the RootPath string */
842 Next = Next->Asl.Next;
843 if (Next->Asl.ParseOpcode == PARSEOP_ZERO)
845 Next->Asl.ParseOpcode = PARSEOP_STRING_LITERAL;
846 Next->Asl.Value.String = "\\";
847 Next->Asl.AmlLength = 2;
848 OpcGenerateAmlOpcode (Next);
851 #ifdef ASL_FUTURE_IMPLEMENTATION
853 /* TBD: NOT IMPLEMENTED */
854 /* Fifth child is the [optional] ParameterPathString */
855 /* Sixth child is the [optional] ParameterData */
857 Next = Next->Asl.Next;
858 if (Next->Asl.ParseOpcode == DEFAULT_ARG)
860 Next->Asl.AmlLength = 1;
861 Next->Asl.ParseOpcode = ZERO;
862 OpcGenerateAmlOpcode (Next);
866 Next = Next->Asl.Next;
867 if (Next->Asl.ParseOpcode == DEFAULT_ARG)
869 Next->Asl.AmlLength = 1;
870 Next->Asl.ParseOpcode = ZERO;
871 OpcGenerateAmlOpcode (Next);
877 /*******************************************************************************
879 * FUNCTION: OpnDoDefinitionBlock
881 * PARAMETERS: Op - The parent parse node
885 * DESCRIPTION: Construct the AML operands for the DEFINITIONBLOCK ASL keyword
887 ******************************************************************************/
890 OpnDoDefinitionBlock (
891 ACPI_PARSE_OBJECT *Op)
893 ACPI_PARSE_OBJECT *Child;
900 * These nodes get stuffed into the table header. They are special
901 * cased when the table is written to the output file.
903 * Mark all of these nodes as non-usable so they won't get output
907 /* Get AML filename. Use it if non-null */
909 Child = Op->Asl.Child;
910 if (Child->Asl.Value.Buffer &&
911 *Child->Asl.Value.Buffer &&
912 (Gbl_UseDefaultAmlFilename))
915 * We will use the AML filename that is embedded in the source file
916 * for the output filename.
918 Filename = ACPI_ALLOCATE (strlen (Gbl_DirectoryPath) +
919 strlen ((char *) Child->Asl.Value.Buffer) + 1);
921 /* Prepend the current directory path */
923 strcpy (Filename, Gbl_DirectoryPath);
924 strcat (Filename, (char *) Child->Asl.Value.Buffer);
926 Gbl_OutputFilenamePrefix = Filename;
928 Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
932 Child = Child->Asl.Next;
933 Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
934 if (Child->Asl.Value.String)
936 Gbl_TableSignature = Child->Asl.Value.String;
937 if (ACPI_STRLEN (Gbl_TableSignature) != 4)
939 AslError (ASL_ERROR, ASL_MSG_TABLE_SIGNATURE, Child,
940 "Length not exactly 4");
943 for (i = 0; i < 4; i++)
945 if (!isalnum ((int) Gbl_TableSignature[i]))
947 AslError (ASL_ERROR, ASL_MSG_TABLE_SIGNATURE, Child,
948 "Contains non-alphanumeric characters");
955 Child = Child->Asl.Next;
956 Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
958 * We used the revision to set the integer width earlier
963 Child = Child->Asl.Next;
964 Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
968 Child = Child->Asl.Next;
969 Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
970 if (Child->Asl.Value.String)
972 Length = ACPI_STRLEN (Child->Asl.Value.String);
973 Gbl_TableId = AcpiOsAllocate (Length + 1);
974 ACPI_STRCPY (Gbl_TableId, Child->Asl.Value.String);
976 for (i = 0; i < Length; i++)
978 if (Gbl_TableId[i] == ' ')
988 Child = Child->Asl.Next;
989 Child->Asl.ParseOpcode = PARSEOP_DEFAULT_ARG;
993 /*******************************************************************************
997 * PARAMETERS: Op - Get an argument for this op
998 * Argn - Nth argument to get
1000 * RETURN: The argument (as an Op object). NULL if argument does not exist
1002 * DESCRIPTION: Get the specified op's argument (peer)
1004 ******************************************************************************/
1008 ACPI_PARSE_OBJECT *Op,
1011 ACPI_PARSE_OBJECT *Arg = NULL;
1014 /* Get the requested argument object */
1016 Arg = Op->Asl.Child;
1020 Arg = Arg->Asl.Next;
1027 /*******************************************************************************
1029 * FUNCTION: OpnAttachNameToNode
1031 * PARAMETERS: Op - The parent parse node
1035 * DESCRIPTION: For the named ASL/AML operators, get the actual name from the
1036 * argument list and attach it to the parent node so that we
1037 * can get to it quickly later.
1039 ******************************************************************************/
1042 OpnAttachNameToNode (
1043 ACPI_PARSE_OBJECT *Op)
1045 ACPI_PARSE_OBJECT *Child = NULL;
1048 if (Op->Asl.ParseOpcode == PARSEOP_EXTERNAL)
1050 Child = UtGetArg (Op, 0);
1052 else switch (Op->Asl.AmlOpcode)
1054 case AML_DATA_REGION_OP:
1060 case AML_POWER_RES_OP:
1061 case AML_PROCESSOR_OP:
1062 case AML_THERMAL_ZONE_OP:
1066 Child = UtGetArg (Op, 0);
1071 Child = UtGetArg (Op, 1);
1074 case AML_CREATE_BIT_FIELD_OP:
1075 case AML_CREATE_BYTE_FIELD_OP:
1076 case AML_CREATE_WORD_FIELD_OP:
1077 case AML_CREATE_DWORD_FIELD_OP:
1078 case AML_CREATE_QWORD_FIELD_OP:
1080 Child = UtGetArg (Op, 2);
1083 case AML_CREATE_FIELD_OP:
1085 Child = UtGetArg (Op, 3);
1088 case AML_BANK_FIELD_OP:
1089 case AML_INDEX_FIELD_OP:
1100 UtAttachNamepathToOwner (Op, Child);
1105 /*******************************************************************************
1107 * FUNCTION: OpnGenerateAmlOperands
1109 * PARAMETERS: Op - The parent parse node
1113 * DESCRIPTION: Prepare nodes to be output as AML data and operands. The more
1114 * complex AML opcodes require processing of the child nodes
1115 * (arguments/operands).
1117 ******************************************************************************/
1120 OpnGenerateAmlOperands (
1121 ACPI_PARSE_OBJECT *Op)
1125 if (Op->Asl.AmlOpcode == AML_RAW_DATA_BYTE)
1130 switch (Op->Asl.ParseOpcode)
1132 case PARSEOP_DEFINITIONBLOCK:
1133 OpnDoDefinitionBlock (Op);
1136 case PARSEOP_METHOD:
1148 case PARSEOP_INDEXFIELD:
1149 OpnDoIndexField (Op);
1152 case PARSEOP_BANKFIELD:
1153 OpnDoBankField (Op);
1156 case PARSEOP_BUFFER:
1160 case PARSEOP_LOADTABLE:
1161 OpnDoLoadTable (Op);
1164 case PARSEOP_OPERATIONREGION:
1168 case PARSEOP_RESOURCETEMPLATE:
1169 RsDoResourceTemplate (Op);
1172 case PARSEOP_NAMESEG:
1173 case PARSEOP_NAMESTRING:
1174 case PARSEOP_METHODCALL:
1175 case PARSEOP_STRING_LITERAL:
1184 OpnAttachNameToNode (Op);