6 *
7 *****************************************************************************/
8
9/******************************************************************************
10 *
11 * 1. Copyright Notice
12 *
13 * Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp.
14 * All rights reserved.
15 *
16 * 2. License
17 *
18 * 2.1. This is your license from Intel Corp. under its intellectual property
19 * rights. You may have additional license terms from the party that provided
20 * you this software, covering your right to use that party's intellectual
21 * property rights.
22 *
23 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
24 * copy of the source code appearing in this file ("Covered Code") an
25 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
26 * base code distributed originally by Intel ("Original Intel Code") to copy,
27 * make derivatives, distribute, use and display any portion of the Covered
28 * Code in any form, with the right to sublicense such rights; and
29 *
30 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
31 * license (with the right to sublicense), under only those claims of Intel
32 * patents that are infringed by the Original Intel Code, to make, use, sell,
33 * offer to sell, and import the Covered Code and derivative works thereof
34 * solely to the minimum extent necessary to exercise the above copyright
35 * license, and in no event shall the patent license extend to any additions
36 * to or modifications of the Original Intel Code. No other license or right
37 * is granted directly or by implication, estoppel or otherwise;
38 *
39 * The above copyright and patent license is granted only if the following
40 * conditions are met:
41 *
42 * 3. Conditions
43 *
44 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
45 * Redistribution of source code of any substantial portion of the Covered
46 * Code or modification with rights to further distribute source must include
47 * the above Copyright Notice, the above License, this list of Conditions,
48 * and the following Disclaimer and Export Compliance provision. In addition,
49 * Licensee must cause all Covered Code to which Licensee contributes to
50 * contain a file documenting the changes Licensee made to create that Covered
51 * Code and the date of any change. Licensee must include in that file the
52 * documentation of any changes made by any predecessor Licensee. Licensee
53 * must include a prominent statement that the modification is derived,
54 * directly or indirectly, from Original Intel Code.
55 *
56 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
57 * Redistribution of source code of any substantial portion of the Covered
58 * Code or modification without rights to further distribute source must
59 * include the following Disclaimer and Export Compliance provision in the
60 * documentation and/or other materials provided with distribution. In
61 * addition, Licensee may not authorize further sublicense of source of any
62 * portion of the Covered Code, and must include terms to the effect that the
63 * license from Licensee to its licensee is limited to the intellectual
64 * property embodied in the software Licensee provides to its licensee, and
65 * not to intellectual property embodied in modifications its licensee may
66 * make.
67 *
68 * 3.3. Redistribution of Executable. Redistribution in executable form of any
69 * substantial portion of the Covered Code or modification must reproduce the
70 * above Copyright Notice, and the following Disclaimer and Export Compliance
71 * provision in the documentation and/or other materials provided with the
72 * distribution.
73 *
74 * 3.4. Intel retains all right, title, and interest in and to the Original
75 * Intel Code.
76 *
77 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
78 * Intel shall be used in advertising or otherwise to promote the sale, use or
79 * other dealings in products derived from or relating to the Covered Code
80 * without prior written authorization from Intel.
81 *
82 * 4. Disclaimer and Export Compliance
83 *
84 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
85 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
86 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
87 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
88 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
89 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
90 * PARTICULAR PURPOSE.
91 *
92 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
93 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
94 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
95 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
96 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
97 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
98 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
99 * LIMITED REMEDY.
100 *
101 * 4.3. Licensee shall not export, either directly or indirectly, any of this
102 * software or system incorporating such software without first obtaining any
103 * required license or other approval from the U. S. Department of Commerce or
104 * any other agency or department of the United States Government. In the
105 * event Licensee exports any such software from the United States or
106 * re-exports any such software from a foreign destination, Licensee shall
107 * ensure that the distribution and export/re-export of the software is in
108 * compliance with all laws, regulations, orders, or other restrictions of the
109 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
110 * any of its subsidiaries will export/re-export any technical data, process,
111 * software, or service, directly or indirectly, to any country for which the
112 * United States government or any agency thereof requires an export license,
113 * other governmental approval, or letter of assurance, without first obtaining
114 * such license, approval or letter.
115 *
116 *****************************************************************************/
117
118
119#include "aslcompiler.h"
120#include "aslcompiler.y.h"
121#include "acnamesp.h"
122#include "amlcode.h"
123
124#define _COMPONENT ACPI_COMPILER
125 ACPI_MODULE_NAME ("aslutils")
126
127#ifdef _USE_BERKELEY_YACC
128extern const char * const AslCompilername[];
129static const char * const *yytname = &AslCompilername[254];
130#else
131extern const char * const yytname[];
132#endif
133
134
135void
136AslOptimizeNamepath (
137 char *Buffer)
138{
139 printf ("NamePath: %s\n", Buffer);
140}
141
142
143/*******************************************************************************
144 *
145 * FUNCTION: AcpiPsDisplayConstantOpcodes
146 *
147 * PARAMETERS: None
148 *
149 * RETURN: None
150 *
151 * DESCRIPTION: Print AML opcodes that can be used in constant expressions.
152 *
153 ******************************************************************************/
154
155void
156UtDisplayConstantOpcodes (
157 void)
158{
159 UINT32 i;
160
161 printf ("Constant expression opcode information\n\n");
162
163 for (i = 0; i < sizeof (AcpiGbl_AmlOpInfo) / sizeof (ACPI_OPCODE_INFO); i++)
164 {
165 if (AcpiGbl_AmlOpInfo[i].Flags & AML_CONSTANT)
166 {
167 printf ("%s\n", AcpiGbl_AmlOpInfo[i].Name);
168 }
169 }
170}
171
172
173/*******************************************************************************
174 *
175 * FUNCTION: UtLocalCalloc
176 *
177 * PARAMETERS: Size - Bytes to be allocated
178 *
179 * RETURN: Pointer to the allocated memory. Guaranteed to be valid.
180 *
181 * DESCRIPTION: Allocate zero-initialized memory. Aborts the compile on an
182 * allocation failure, on the assumption that nothing more can be
183 * accomplished.
184 *
185 ******************************************************************************/
186
187void *
188UtLocalCalloc (
189 UINT32 Size)
190{
191 void *Allocated;
192
193
194 Allocated = ACPI_MEM_CALLOCATE (Size);
195 if (!Allocated)
196 {
197 AslCommonError (ASL_ERROR, ASL_MSG_MEMORY_ALLOCATION,
198 Gbl_CurrentLineNumber, Gbl_LogicalLineNumber,
199 Gbl_InputByteCount, Gbl_CurrentColumn,
200 Gbl_Files[ASL_FILE_INPUT].Filename, NULL);
201 exit (1);
202 }
203
204 TotalAllocations++;
205 TotalAllocated += Size;
206 return Allocated;
207}
208
209
210/*******************************************************************************
211 *
212 * FUNCTION: UtBeginEvent
213 *
214 * PARAMETERS: Event - Event number (integer index)
215 * Name - Ascii name of this event
216 *
217 * RETURN: None
218 *
219 * DESCRIPTION: Saves the current time with this event
220 *
221 ******************************************************************************/
222
223void
224UtBeginEvent (
225 UINT32 Event,
226 char *Name)
227{
228
229 AslGbl_Events[Event].StartTime = (time_t) AcpiOsGetTimer();
230 AslGbl_Events[Event].EventName = Name;
231 AslGbl_Events[Event].Valid = TRUE;
232}
233
234
235/*******************************************************************************
236 *
237 * FUNCTION: UtEndEvent
238 *
239 * PARAMETERS: Event - Event number (integer index)
240 *
241 * RETURN: None
242 *
243 * DESCRIPTION: Saves the current time (end time) with this event
244 *
245 ******************************************************************************/
246
247void
248UtEndEvent (
249 UINT32 Event)
250{
251
252 AslGbl_Events[Event].EndTime = (time_t) AcpiOsGetTimer();
253}
254
255
256/*******************************************************************************
257 *
258 * FUNCTION: UtHexCharToValue
259 *
260 * PARAMETERS: hc - Hex character in Ascii
261 *
262 * RETURN: The binary value of the hex character
263 *
264 * DESCRIPTION: Perform ascii-to-hex translation
265 *
266 ******************************************************************************/
267
268UINT8
269UtHexCharToValue (
270 int hc)
271{
272
273 if (hc <= 0x39)
274 {
275 return ((UINT8) (hc - 0x30));
276 }
277
278 if (hc <= 0x46)
279 {
280 return ((UINT8) (hc - 0x37));
281 }
282
283 return ((UINT8) (hc - 0x57));
284}
285
286
287/*******************************************************************************
288 *
289 * FUNCTION: UtConvertByteToHex
290 *
291 * PARAMETERS: RawByte - Binary data
292 * *Buffer - Pointer to where the hex bytes will be stored
293 *
294 * RETURN: Ascii hex byte is stored in Buffer.
295 *
296 * DESCRIPTION: Perform hex-to-ascii translation. The return data is prefixed
297 * with "0x"
298 *
299 ******************************************************************************/
300
301void
302UtConvertByteToHex (
303 UINT8 RawByte,
304 UINT8 *Buffer)
305{
306
307 Buffer[0] = '0';
308 Buffer[1] = 'x';
309
310 Buffer[2] = (UINT8) hex[(RawByte >> 4) & 0xF];
311 Buffer[3] = (UINT8) hex[RawByte & 0xF];
312}
313
314
315/*******************************************************************************
316 *
317 * FUNCTION: UtConvertByteToAsmHex
318 *
319 * PARAMETERS: RawByte - Binary data
320 * *Buffer - Pointer to where the hex bytes will be stored
321 *
322 * RETURN: Ascii hex byte is stored in Buffer.
323 *
324 * DESCRIPTION: Perform hex-to-ascii translation. The return data is prefixed
325 * with "0x"
326 *
327 ******************************************************************************/
328
329void
330UtConvertByteToAsmHex (
331 UINT8 RawByte,
332 UINT8 *Buffer)
333{
334
335 Buffer[0] = '0';
336
337 Buffer[1] = (UINT8) hex[(RawByte >> 4) & 0xF];
338 Buffer[2] = (UINT8) hex[RawByte & 0xF];
339 Buffer[3] = 'h';
340}
341
342
343/*******************************************************************************
344 *
345 * FUNCTION: DbgPrint
346 *
347 * PARAMETERS: Fmt - Printf format string
348 * ... - variable printf list
349 *
350 * RETURN: None
351 *
352 * DESCRIPTION: Conditional print statement. Prints to stderr only if the
353 * debug flag is set.
354 *
355 ******************************************************************************/
356
357void
358DbgPrint (
359 UINT32 Type,
360 char *Fmt,
361 ...)
362{
363 va_list Args;
364
365
366 va_start (Args, Fmt);
367
368 if (!Gbl_DebugFlag)
369 {
370 return;
371 }
372
373 if ((Type == ASL_PARSE_OUTPUT) &&
374 (!(AslCompilerdebug)))
375 {
376 return;
377 }
378
379 (void) vfprintf (stderr, Fmt, Args);
380 va_end (Args);
381 return;
382}
383
384
385/*******************************************************************************
386 *
387 * FUNCTION: UtPrintFormattedName
388 *
389 * PARAMETERS: ParseOpcode - Parser keyword ID
390 * Level - Indentation level
391 *
392 * RETURN: None
393 *
394 * DESCRIPTION: Print the ascii name of the parse opcode.
395 *
396 ******************************************************************************/
397
398#define TEXT_OFFSET 10
399
400void
401UtPrintFormattedName (
402 UINT16 ParseOpcode,
403 UINT32 Level)
404{
405
406 DbgPrint (ASL_TREE_OUTPUT,
407 "%*s %-16.16s", (3 * Level), " ",
408 UtGetOpName (ParseOpcode));
409
410 if (Level < TEXT_OFFSET)
411 {
412 DbgPrint (ASL_TREE_OUTPUT,
413 "%*s", (TEXT_OFFSET - Level) * 3, " ");
414 }
415}
416
417
418/*******************************************************************************
419 *
420 * FUNCTION: UtSetParseOpName
421 *
422 * PARAMETERS: Op
423 *
424 * RETURN: None
425 *
426 * DESCRIPTION: Insert the ascii name of the parse opcode
427 *
428 ******************************************************************************/
429
430void
431UtSetParseOpName (
432 ACPI_PARSE_OBJECT *Op)
433{
434 strncpy (Op->Asl.ParseOpName, UtGetOpName (Op->Asl.ParseOpcode), 12);
435}
436
437
438/*******************************************************************************
439 *
440 * FUNCTION: UtGetOpName
441 *
442 * PARAMETERS: ParseOpcode - Parser keyword ID
443 *
444 * RETURN: Pointer to the opcode name
445 *
446 * DESCRIPTION: Get the ascii name of the parse opcode
447 *
448 ******************************************************************************/
449
450char *
451UtGetOpName (
452 UINT32 ParseOpcode)
453{
454
455 /*
456 * First entries (ASL_YYTNAME_START) in yytname are special reserved names.
457 * Ignore first 8 characters of the name
458 */
459 return ((char *) yytname [(ParseOpcode - ASL_FIRST_PARSE_OPCODE) + ASL_YYTNAME_START] + 8);
460}
461
462
463/*******************************************************************************
464 *
465 * FUNCTION: UtDisplaySummary
466 *
467 * PARAMETERS: None
468 *
469 * RETURN: None
470 *
471 * DESCRIPTION: Display compilation statistics
472 *
473 ******************************************************************************/
474
475void
476UtDisplaySummary (
477 UINT32 FileId)
478{
479
480 if (FileId != ASL_FILE_STDOUT)
481 {
482 /* Compiler name and version number */
483
484 FlPrintFile (FileId, "%s version %X [%s]\n",
485 CompilerId, (UINT32) ACPI_CA_VERSION, __DATE__);
486 }
487
488 /* Input/Output summary */
489
490 FlPrintFile (FileId,
491 "ASL Input: %s - %d lines, %d bytes, %d keywords\n",
492 Gbl_Files[ASL_FILE_INPUT].Filename, Gbl_CurrentLineNumber,
493 Gbl_InputByteCount, TotalKeywords);
494
495 /* AML summary */
496
497 if ((Gbl_ExceptionCount[ASL_ERROR] == 0) || (Gbl_IgnoreErrors))
498 {
499 FlPrintFile (FileId,
500 "AML Output: %s - %d bytes %d named objects %d executable opcodes\n\n",
501 Gbl_Files[ASL_FILE_AML_OUTPUT].Filename, Gbl_TableLength,
502 TotalNamedObjects, TotalExecutableOpcodes);
503 }
504
505 /* Error summary */
506
507 FlPrintFile (FileId,
508 "Compilation complete. %d Errors, %d Warnings, %d Remarks, %d Optimizations\n",
509 Gbl_ExceptionCount[ASL_ERROR],
510 Gbl_ExceptionCount[ASL_WARNING],
511 Gbl_ExceptionCount[ASL_REMARK],
512 Gbl_ExceptionCount[ASL_OPTIMIZATION]);
513}
514
515
516/*******************************************************************************
517 *
518 * FUNCTION: UtDisplaySummary
519 *
520 * PARAMETERS: Op - Integer parse node
521 * LowValue - Smallest allowed value
522 * HighValue - Largest allowed value
523 *
524 * RETURN: Op if OK, otherwise NULL
525 *
526 * DESCRIPTION: Check integer for an allowable range
527 *
528 ******************************************************************************/
529
530ACPI_PARSE_OBJECT *
531UtCheckIntegerRange (
532 ACPI_PARSE_OBJECT *Op,
533 UINT32 LowValue,
534 UINT32 HighValue)
535{
536 char *ParseError = NULL;
537 char Buffer[64];
538
539
540 if (!Op)
541 {
542 return NULL;
543 }
544
545 if (Op->Asl.Value.Integer < LowValue)
546 {
547 ParseError = "Value below valid range";
548 Op->Asl.Value.Integer = LowValue;
549 }
550
551 if (Op->Asl.Value.Integer > HighValue)
552 {
553 ParseError = "Value above valid range";
554 Op->Asl.Value.Integer = HighValue;
555 }
556
557 if (ParseError)
558 {
559 sprintf (Buffer, "%s 0x%X-0x%X", ParseError, LowValue, HighValue);
560 AslCompilererror (Buffer);
561
562 return NULL;
563 }
564
565 return Op;
566}
567
568
569/*******************************************************************************
570 *
571 * FUNCTION: UtGetStringBuffer
572 *
573 * PARAMETERS: Length - Size of buffer requested
574 *
575 * RETURN: Pointer to the buffer. Aborts on allocation failure
576 *
577 * DESCRIPTION: Allocate a string buffer. Bypass the local
578 * dynamic memory manager for performance reasons (This has a
579 * major impact on the speed of the compiler.)
580 *
581 ******************************************************************************/
582
583char *
584UtGetStringBuffer (
585 UINT32 Length)
586{
587 char *Buffer;
588
589
590 if ((Gbl_StringCacheNext + Length) >= Gbl_StringCacheLast)
591 {
592 Gbl_StringCacheNext = UtLocalCalloc (ASL_STRING_CACHE_SIZE + Length);
593 Gbl_StringCacheLast = Gbl_StringCacheNext + ASL_STRING_CACHE_SIZE + Length;
594 }
595
596 Buffer = Gbl_StringCacheNext;
597 Gbl_StringCacheNext += Length;
598
599 return (Buffer);
600}
601
602
603/*******************************************************************************
604 *
605 * FUNCTION: UtInternalizeName
606 *
607 * PARAMETERS: ExternalName - Name to convert
608 * ConvertedName - Where the converted name is returned
609 *
610 * RETURN: Status
611 *
612 * DESCRIPTION: Convert an external (ASL) name to an internal (AML) name
613 *
614 ******************************************************************************/
615
616ACPI_STATUS
617UtInternalizeName (
618 char *ExternalName,
619 char **ConvertedName)
620{
621 ACPI_NAMESTRING_INFO Info;
622 ACPI_STATUS Status;
623
624
625 if (!ExternalName)
626 {
627 return (AE_OK);
628 }
629
630 /* Get the length of the new internal name */
631
632 Info.ExternalName = ExternalName;
633 AcpiNsGetInternalNameLength (&Info);
634
635 /* We need a segment to store the internal name */
636
637 Info.InternalName = UtGetStringBuffer (Info.Length);
638 if (!Info.InternalName)
639 {
640 return (AE_NO_MEMORY);
641 }
642
643 /* Build the name */
644
645 Status = AcpiNsBuildInternalName (&Info);
646 if (ACPI_FAILURE (Status))
647 {
648 return (Status);
649 }
650
651 *ConvertedName = Info.InternalName;
652 return (AE_OK);
653}
654
655
656/*******************************************************************************
657 *
658 * FUNCTION: UtPadNameWithUnderscores
659 *
660 * PARAMETERS: NameSeg - Input nameseg
661 * PaddedNameSeg - Output padded nameseg
662 *
663 * RETURN: Padded nameseg.
664 *
665 * DESCRIPTION: Pads a NameSeg with underscores if necessary to form a full
666 * ACPI_NAME.
667 *
668 ******************************************************************************/
669
670void
671UtPadNameWithUnderscores (
672 char *NameSeg,
673 char *PaddedNameSeg)
674{
675 UINT32 i;
676
677
678 for (i = 0; (i < ACPI_NAME_SIZE); i++)
679 {
680 if (*NameSeg)
681 {
682 *PaddedNameSeg = *NameSeg;
683 NameSeg++;
684 }
685 else
686 {
687 *PaddedNameSeg = '_';
688 }
689 PaddedNameSeg++;
690 }
691}
692
693
694/*******************************************************************************
695 *
696 * FUNCTION: UtAttachNameseg
697 *
698 * PARAMETERS: Op - Parent parse node
699 * Name - Full ExternalName
700 *
701 * RETURN: Sets the NameSeg field in parent node
702 *
703 * DESCRIPTION: Extract the last nameseg of the ExternalName and store it
704 * in the NameSeg field of the Op.
705 *
706 ******************************************************************************/
707
708void
709UtAttachNameseg (
710 ACPI_PARSE_OBJECT *Op,
711 char *Name)
712{
713 char *NameSeg;
714 char PaddedNameSeg[4];
715
716
717 if (!Name)
718 {
719 return;
720 }
721
722 /* Look for the last dot in the namepath */
723
724 NameSeg = strrchr (Name, '.');
725 if (NameSeg)
726 {
727 /* Found last dot, we have also found the final nameseg */
728
729 NameSeg++;
730 UtPadNameWithUnderscores (NameSeg, PaddedNameSeg);
731 }
732 else
733 {
734 /* No dots in the namepath, there is only a single nameseg. */
735 /* Handle prefixes */
736
737 while ((*Name == '\\') || (*Name == '^'))
738 {
739 Name++;
740 }
741
742 /* Remaing string should be one single nameseg */
743
744 UtPadNameWithUnderscores (Name, PaddedNameSeg);
745 }
746
747 strncpy (Op->Asl.NameSeg, PaddedNameSeg, 4);
748}
749
750
751/*******************************************************************************
752 *
753 * FUNCTION: UtAttachNamepathToOwner
754 *
755 * PARAMETERS: Op - Parent parse node
756 * NameOp - Node that contains the name
757 *
758 * RETURN: Sets the ExternalName and Namepath in the parent node
759 *
760 * DESCRIPTION: Store the name in two forms in the parent node: The original
761 * (external) name, and the internalized name that is used within
762 * the ACPI namespace manager.
763 *
764 ******************************************************************************/
765
766void
767UtAttachNamepathToOwner (
768 ACPI_PARSE_OBJECT *Op,
769 ACPI_PARSE_OBJECT *NameOp)
770{
771 ACPI_STATUS Status;
772
773
774 /* Full external path */
775
776 Op->Asl.ExternalName = NameOp->Asl.Value.String;
777
778 /* Last nameseg of the path */
779
780 UtAttachNameseg (Op, Op->Asl.ExternalName);
781
782 /* Create internalized path */
783
784 Status = UtInternalizeName (NameOp->Asl.Value.String, &Op->Asl.Namepath);
785 if (ACPI_FAILURE (Status))
786 {
787 /* TBD: abort on no memory */
788 }
789}
790
791
792/*******************************************************************************
793 *
794 * FUNCTION: UtDoConstant
795 *
796 * PARAMETERS: String - Hex, Octal, or Decimal string
797 *
798 * RETURN: Converted Integer
799 *
800 * DESCRIPTION: Convert a string to an integer. With error checking.
801 *
802 ******************************************************************************/
803
804ACPI_INTEGER
805UtDoConstant (
806 char *String)
807{
808 ACPI_STATUS Status;
809 ACPI_INTEGER Converted;
810 char ErrBuf[64];
811
812
813 Status = UtStrtoul64 (String, 0, &Converted);
814 if (ACPI_FAILURE (Status))
815 {
816 sprintf (ErrBuf, "%s %s\n", "Conversion error:", AcpiFormatException (Status));
817 AslCompilererror (ErrBuf);
818 }
819
820 return (Converted);
821}
822
823
824/*******************************************************************************
825 *
826 * FUNCTION: UtStrtoul64
827 *
828 * PARAMETERS: String - Null terminated string
829 * Terminater - Where a pointer to the terminating byte is returned
830 * Base - Radix of the string
831 *
832 * RETURN: Converted value
833 *
834 * DESCRIPTION: Convert a string into an unsigned value.
835 *
836 ******************************************************************************/
837#define NEGATIVE 1
838#define POSITIVE 0
839
840ACPI_STATUS
841UtStrtoul64 (
842 char *String,
843 UINT32 Base,
844 ACPI_INTEGER *RetInteger)
845{
846 UINT32 Index;
847 UINT32 Sign;
848 ACPI_INTEGER ReturnValue = 0;
849 ACPI_STATUS Status = AE_OK;
850
851
852 *RetInteger = 0;
853
854 switch (Base)
855 {
856 case 0:
857 case 8:
858 case 10:
859 case 16:
860 break;
861
862 default:
863 /*
864 * The specified Base parameter is not in the domain of
865 * this function:
866 */
867 return (AE_BAD_PARAMETER);
868 }
869
870 /*
871 * skip over any white space in the buffer:
872 */
873 while (isspace (*String) || *String == '\t')
874 {
875 ++String;
876 }
877
878 /*
879 * The buffer may contain an optional plus or minus sign.
880 * If it does, then skip over it but remember what is was:
881 */
882 if (*String == '-')
883 {
884 Sign = NEGATIVE;
885 ++String;
886 }
887 else if (*String == '+')
888 {
889 ++String;
890 Sign = POSITIVE;
891 }
892 else
893 {
894 Sign = POSITIVE;
895 }
896
897 /*
898 * If the input parameter Base is zero, then we need to
899 * determine if it is octal, decimal, or hexadecimal:
900 */
901 if (Base == 0)
902 {
903 if (*String == '0')
904 {
905 if (tolower (*(++String)) == 'x')
906 {
907 Base = 16;
908 ++String;
909 }
910 else
911 {
912 Base = 8;
913 }
914 }
915 else
916 {
917 Base = 10;
918 }
919 }
920
921 /*
922 * For octal and hexadecimal bases, skip over the leading
923 * 0 or 0x, if they are present.
924 */
925 if (Base == 8 && *String == '0')
926 {
927 String++;
928 }
929
930 if (Base == 16 &&
931 *String == '0' &&
932 tolower (*(++String)) == 'x')
933 {
934 String++;
935 }
936
937 /* Main loop: convert the string to an unsigned long */
938
939 while (*String)
940 {
941 if (isdigit (*String))
942 {
943 Index = ((UINT8) *String) - '0';
944 }
945 else
946 {
947 Index = (UINT8) toupper (*String);
948 if (isupper ((char) Index))
949 {
950 Index = Index - 'A' + 10;
951 }
952 else
953 {
954 goto ErrorExit;
955 }
956 }
957
958 if (Index >= Base)
959 {
960 goto ErrorExit;
961 }
962
963 /* Check to see if value is out of range: */
964
965 if (ReturnValue > ((ACPI_INTEGER_MAX - (ACPI_INTEGER) Index) /
966 (ACPI_INTEGER) Base))
967 {
968 goto ErrorExit;
969 }
970 else
971 {
972 ReturnValue *= Base;
973 ReturnValue += Index;
974 }
975
976 ++String;
977 }
978
979
980 /*
981 * If a minus sign was present, then "the conversion is negated":
982 */
983 if (Sign == NEGATIVE)
984 {
985 ReturnValue = (ACPI_UINT32_MAX - ReturnValue) + 1;
986 }
987
988 *RetInteger = ReturnValue;
989 return (Status);
990
991
992ErrorExit:
993 switch (Base)
994 {
995 case 8:
996 Status = AE_BAD_OCTAL_CONSTANT;
997 break;
998
999 case 10:
1000 Status = AE_BAD_DECIMAL_CONSTANT;
1001 break;
1002
1003 case 16:
1004 Status = AE_BAD_HEX_CONSTANT;
1005 break;
1006
1007 default:
1008 /* Base validated above */
1009 break;
1010 }
1011
1012 return (Status);
1013}
1014
1015
| 6 *
7 *****************************************************************************/
8
9/******************************************************************************
10 *
11 * 1. Copyright Notice
12 *
13 * Some or all of this work - Copyright (c) 1999 - 2004, Intel Corp.
14 * All rights reserved.
15 *
16 * 2. License
17 *
18 * 2.1. This is your license from Intel Corp. under its intellectual property
19 * rights. You may have additional license terms from the party that provided
20 * you this software, covering your right to use that party's intellectual
21 * property rights.
22 *
23 * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
24 * copy of the source code appearing in this file ("Covered Code") an
25 * irrevocable, perpetual, worldwide license under Intel's copyrights in the
26 * base code distributed originally by Intel ("Original Intel Code") to copy,
27 * make derivatives, distribute, use and display any portion of the Covered
28 * Code in any form, with the right to sublicense such rights; and
29 *
30 * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
31 * license (with the right to sublicense), under only those claims of Intel
32 * patents that are infringed by the Original Intel Code, to make, use, sell,
33 * offer to sell, and import the Covered Code and derivative works thereof
34 * solely to the minimum extent necessary to exercise the above copyright
35 * license, and in no event shall the patent license extend to any additions
36 * to or modifications of the Original Intel Code. No other license or right
37 * is granted directly or by implication, estoppel or otherwise;
38 *
39 * The above copyright and patent license is granted only if the following
40 * conditions are met:
41 *
42 * 3. Conditions
43 *
44 * 3.1. Redistribution of Source with Rights to Further Distribute Source.
45 * Redistribution of source code of any substantial portion of the Covered
46 * Code or modification with rights to further distribute source must include
47 * the above Copyright Notice, the above License, this list of Conditions,
48 * and the following Disclaimer and Export Compliance provision. In addition,
49 * Licensee must cause all Covered Code to which Licensee contributes to
50 * contain a file documenting the changes Licensee made to create that Covered
51 * Code and the date of any change. Licensee must include in that file the
52 * documentation of any changes made by any predecessor Licensee. Licensee
53 * must include a prominent statement that the modification is derived,
54 * directly or indirectly, from Original Intel Code.
55 *
56 * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
57 * Redistribution of source code of any substantial portion of the Covered
58 * Code or modification without rights to further distribute source must
59 * include the following Disclaimer and Export Compliance provision in the
60 * documentation and/or other materials provided with distribution. In
61 * addition, Licensee may not authorize further sublicense of source of any
62 * portion of the Covered Code, and must include terms to the effect that the
63 * license from Licensee to its licensee is limited to the intellectual
64 * property embodied in the software Licensee provides to its licensee, and
65 * not to intellectual property embodied in modifications its licensee may
66 * make.
67 *
68 * 3.3. Redistribution of Executable. Redistribution in executable form of any
69 * substantial portion of the Covered Code or modification must reproduce the
70 * above Copyright Notice, and the following Disclaimer and Export Compliance
71 * provision in the documentation and/or other materials provided with the
72 * distribution.
73 *
74 * 3.4. Intel retains all right, title, and interest in and to the Original
75 * Intel Code.
76 *
77 * 3.5. Neither the name Intel nor any other trademark owned or controlled by
78 * Intel shall be used in advertising or otherwise to promote the sale, use or
79 * other dealings in products derived from or relating to the Covered Code
80 * without prior written authorization from Intel.
81 *
82 * 4. Disclaimer and Export Compliance
83 *
84 * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
85 * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
86 * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
87 * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
88 * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
89 * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
90 * PARTICULAR PURPOSE.
91 *
92 * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
93 * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
94 * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
95 * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
96 * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
97 * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
98 * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
99 * LIMITED REMEDY.
100 *
101 * 4.3. Licensee shall not export, either directly or indirectly, any of this
102 * software or system incorporating such software without first obtaining any
103 * required license or other approval from the U. S. Department of Commerce or
104 * any other agency or department of the United States Government. In the
105 * event Licensee exports any such software from the United States or
106 * re-exports any such software from a foreign destination, Licensee shall
107 * ensure that the distribution and export/re-export of the software is in
108 * compliance with all laws, regulations, orders, or other restrictions of the
109 * U.S. Export Administration Regulations. Licensee agrees that neither it nor
110 * any of its subsidiaries will export/re-export any technical data, process,
111 * software, or service, directly or indirectly, to any country for which the
112 * United States government or any agency thereof requires an export license,
113 * other governmental approval, or letter of assurance, without first obtaining
114 * such license, approval or letter.
115 *
116 *****************************************************************************/
117
118
119#include "aslcompiler.h"
120#include "aslcompiler.y.h"
121#include "acnamesp.h"
122#include "amlcode.h"
123
124#define _COMPONENT ACPI_COMPILER
125 ACPI_MODULE_NAME ("aslutils")
126
127#ifdef _USE_BERKELEY_YACC
128extern const char * const AslCompilername[];
129static const char * const *yytname = &AslCompilername[254];
130#else
131extern const char * const yytname[];
132#endif
133
134
135void
136AslOptimizeNamepath (
137 char *Buffer)
138{
139 printf ("NamePath: %s\n", Buffer);
140}
141
142
143/*******************************************************************************
144 *
145 * FUNCTION: AcpiPsDisplayConstantOpcodes
146 *
147 * PARAMETERS: None
148 *
149 * RETURN: None
150 *
151 * DESCRIPTION: Print AML opcodes that can be used in constant expressions.
152 *
153 ******************************************************************************/
154
155void
156UtDisplayConstantOpcodes (
157 void)
158{
159 UINT32 i;
160
161 printf ("Constant expression opcode information\n\n");
162
163 for (i = 0; i < sizeof (AcpiGbl_AmlOpInfo) / sizeof (ACPI_OPCODE_INFO); i++)
164 {
165 if (AcpiGbl_AmlOpInfo[i].Flags & AML_CONSTANT)
166 {
167 printf ("%s\n", AcpiGbl_AmlOpInfo[i].Name);
168 }
169 }
170}
171
172
173/*******************************************************************************
174 *
175 * FUNCTION: UtLocalCalloc
176 *
177 * PARAMETERS: Size - Bytes to be allocated
178 *
179 * RETURN: Pointer to the allocated memory. Guaranteed to be valid.
180 *
181 * DESCRIPTION: Allocate zero-initialized memory. Aborts the compile on an
182 * allocation failure, on the assumption that nothing more can be
183 * accomplished.
184 *
185 ******************************************************************************/
186
187void *
188UtLocalCalloc (
189 UINT32 Size)
190{
191 void *Allocated;
192
193
194 Allocated = ACPI_MEM_CALLOCATE (Size);
195 if (!Allocated)
196 {
197 AslCommonError (ASL_ERROR, ASL_MSG_MEMORY_ALLOCATION,
198 Gbl_CurrentLineNumber, Gbl_LogicalLineNumber,
199 Gbl_InputByteCount, Gbl_CurrentColumn,
200 Gbl_Files[ASL_FILE_INPUT].Filename, NULL);
201 exit (1);
202 }
203
204 TotalAllocations++;
205 TotalAllocated += Size;
206 return Allocated;
207}
208
209
210/*******************************************************************************
211 *
212 * FUNCTION: UtBeginEvent
213 *
214 * PARAMETERS: Event - Event number (integer index)
215 * Name - Ascii name of this event
216 *
217 * RETURN: None
218 *
219 * DESCRIPTION: Saves the current time with this event
220 *
221 ******************************************************************************/
222
223void
224UtBeginEvent (
225 UINT32 Event,
226 char *Name)
227{
228
229 AslGbl_Events[Event].StartTime = (time_t) AcpiOsGetTimer();
230 AslGbl_Events[Event].EventName = Name;
231 AslGbl_Events[Event].Valid = TRUE;
232}
233
234
235/*******************************************************************************
236 *
237 * FUNCTION: UtEndEvent
238 *
239 * PARAMETERS: Event - Event number (integer index)
240 *
241 * RETURN: None
242 *
243 * DESCRIPTION: Saves the current time (end time) with this event
244 *
245 ******************************************************************************/
246
247void
248UtEndEvent (
249 UINT32 Event)
250{
251
252 AslGbl_Events[Event].EndTime = (time_t) AcpiOsGetTimer();
253}
254
255
256/*******************************************************************************
257 *
258 * FUNCTION: UtHexCharToValue
259 *
260 * PARAMETERS: hc - Hex character in Ascii
261 *
262 * RETURN: The binary value of the hex character
263 *
264 * DESCRIPTION: Perform ascii-to-hex translation
265 *
266 ******************************************************************************/
267
268UINT8
269UtHexCharToValue (
270 int hc)
271{
272
273 if (hc <= 0x39)
274 {
275 return ((UINT8) (hc - 0x30));
276 }
277
278 if (hc <= 0x46)
279 {
280 return ((UINT8) (hc - 0x37));
281 }
282
283 return ((UINT8) (hc - 0x57));
284}
285
286
287/*******************************************************************************
288 *
289 * FUNCTION: UtConvertByteToHex
290 *
291 * PARAMETERS: RawByte - Binary data
292 * *Buffer - Pointer to where the hex bytes will be stored
293 *
294 * RETURN: Ascii hex byte is stored in Buffer.
295 *
296 * DESCRIPTION: Perform hex-to-ascii translation. The return data is prefixed
297 * with "0x"
298 *
299 ******************************************************************************/
300
301void
302UtConvertByteToHex (
303 UINT8 RawByte,
304 UINT8 *Buffer)
305{
306
307 Buffer[0] = '0';
308 Buffer[1] = 'x';
309
310 Buffer[2] = (UINT8) hex[(RawByte >> 4) & 0xF];
311 Buffer[3] = (UINT8) hex[RawByte & 0xF];
312}
313
314
315/*******************************************************************************
316 *
317 * FUNCTION: UtConvertByteToAsmHex
318 *
319 * PARAMETERS: RawByte - Binary data
320 * *Buffer - Pointer to where the hex bytes will be stored
321 *
322 * RETURN: Ascii hex byte is stored in Buffer.
323 *
324 * DESCRIPTION: Perform hex-to-ascii translation. The return data is prefixed
325 * with "0x"
326 *
327 ******************************************************************************/
328
329void
330UtConvertByteToAsmHex (
331 UINT8 RawByte,
332 UINT8 *Buffer)
333{
334
335 Buffer[0] = '0';
336
337 Buffer[1] = (UINT8) hex[(RawByte >> 4) & 0xF];
338 Buffer[2] = (UINT8) hex[RawByte & 0xF];
339 Buffer[3] = 'h';
340}
341
342
343/*******************************************************************************
344 *
345 * FUNCTION: DbgPrint
346 *
347 * PARAMETERS: Fmt - Printf format string
348 * ... - variable printf list
349 *
350 * RETURN: None
351 *
352 * DESCRIPTION: Conditional print statement. Prints to stderr only if the
353 * debug flag is set.
354 *
355 ******************************************************************************/
356
357void
358DbgPrint (
359 UINT32 Type,
360 char *Fmt,
361 ...)
362{
363 va_list Args;
364
365
366 va_start (Args, Fmt);
367
368 if (!Gbl_DebugFlag)
369 {
370 return;
371 }
372
373 if ((Type == ASL_PARSE_OUTPUT) &&
374 (!(AslCompilerdebug)))
375 {
376 return;
377 }
378
379 (void) vfprintf (stderr, Fmt, Args);
380 va_end (Args);
381 return;
382}
383
384
385/*******************************************************************************
386 *
387 * FUNCTION: UtPrintFormattedName
388 *
389 * PARAMETERS: ParseOpcode - Parser keyword ID
390 * Level - Indentation level
391 *
392 * RETURN: None
393 *
394 * DESCRIPTION: Print the ascii name of the parse opcode.
395 *
396 ******************************************************************************/
397
398#define TEXT_OFFSET 10
399
400void
401UtPrintFormattedName (
402 UINT16 ParseOpcode,
403 UINT32 Level)
404{
405
406 DbgPrint (ASL_TREE_OUTPUT,
407 "%*s %-16.16s", (3 * Level), " ",
408 UtGetOpName (ParseOpcode));
409
410 if (Level < TEXT_OFFSET)
411 {
412 DbgPrint (ASL_TREE_OUTPUT,
413 "%*s", (TEXT_OFFSET - Level) * 3, " ");
414 }
415}
416
417
418/*******************************************************************************
419 *
420 * FUNCTION: UtSetParseOpName
421 *
422 * PARAMETERS: Op
423 *
424 * RETURN: None
425 *
426 * DESCRIPTION: Insert the ascii name of the parse opcode
427 *
428 ******************************************************************************/
429
430void
431UtSetParseOpName (
432 ACPI_PARSE_OBJECT *Op)
433{
434 strncpy (Op->Asl.ParseOpName, UtGetOpName (Op->Asl.ParseOpcode), 12);
435}
436
437
438/*******************************************************************************
439 *
440 * FUNCTION: UtGetOpName
441 *
442 * PARAMETERS: ParseOpcode - Parser keyword ID
443 *
444 * RETURN: Pointer to the opcode name
445 *
446 * DESCRIPTION: Get the ascii name of the parse opcode
447 *
448 ******************************************************************************/
449
450char *
451UtGetOpName (
452 UINT32 ParseOpcode)
453{
454
455 /*
456 * First entries (ASL_YYTNAME_START) in yytname are special reserved names.
457 * Ignore first 8 characters of the name
458 */
459 return ((char *) yytname [(ParseOpcode - ASL_FIRST_PARSE_OPCODE) + ASL_YYTNAME_START] + 8);
460}
461
462
463/*******************************************************************************
464 *
465 * FUNCTION: UtDisplaySummary
466 *
467 * PARAMETERS: None
468 *
469 * RETURN: None
470 *
471 * DESCRIPTION: Display compilation statistics
472 *
473 ******************************************************************************/
474
475void
476UtDisplaySummary (
477 UINT32 FileId)
478{
479
480 if (FileId != ASL_FILE_STDOUT)
481 {
482 /* Compiler name and version number */
483
484 FlPrintFile (FileId, "%s version %X [%s]\n",
485 CompilerId, (UINT32) ACPI_CA_VERSION, __DATE__);
486 }
487
488 /* Input/Output summary */
489
490 FlPrintFile (FileId,
491 "ASL Input: %s - %d lines, %d bytes, %d keywords\n",
492 Gbl_Files[ASL_FILE_INPUT].Filename, Gbl_CurrentLineNumber,
493 Gbl_InputByteCount, TotalKeywords);
494
495 /* AML summary */
496
497 if ((Gbl_ExceptionCount[ASL_ERROR] == 0) || (Gbl_IgnoreErrors))
498 {
499 FlPrintFile (FileId,
500 "AML Output: %s - %d bytes %d named objects %d executable opcodes\n\n",
501 Gbl_Files[ASL_FILE_AML_OUTPUT].Filename, Gbl_TableLength,
502 TotalNamedObjects, TotalExecutableOpcodes);
503 }
504
505 /* Error summary */
506
507 FlPrintFile (FileId,
508 "Compilation complete. %d Errors, %d Warnings, %d Remarks, %d Optimizations\n",
509 Gbl_ExceptionCount[ASL_ERROR],
510 Gbl_ExceptionCount[ASL_WARNING],
511 Gbl_ExceptionCount[ASL_REMARK],
512 Gbl_ExceptionCount[ASL_OPTIMIZATION]);
513}
514
515
516/*******************************************************************************
517 *
518 * FUNCTION: UtDisplaySummary
519 *
520 * PARAMETERS: Op - Integer parse node
521 * LowValue - Smallest allowed value
522 * HighValue - Largest allowed value
523 *
524 * RETURN: Op if OK, otherwise NULL
525 *
526 * DESCRIPTION: Check integer for an allowable range
527 *
528 ******************************************************************************/
529
530ACPI_PARSE_OBJECT *
531UtCheckIntegerRange (
532 ACPI_PARSE_OBJECT *Op,
533 UINT32 LowValue,
534 UINT32 HighValue)
535{
536 char *ParseError = NULL;
537 char Buffer[64];
538
539
540 if (!Op)
541 {
542 return NULL;
543 }
544
545 if (Op->Asl.Value.Integer < LowValue)
546 {
547 ParseError = "Value below valid range";
548 Op->Asl.Value.Integer = LowValue;
549 }
550
551 if (Op->Asl.Value.Integer > HighValue)
552 {
553 ParseError = "Value above valid range";
554 Op->Asl.Value.Integer = HighValue;
555 }
556
557 if (ParseError)
558 {
559 sprintf (Buffer, "%s 0x%X-0x%X", ParseError, LowValue, HighValue);
560 AslCompilererror (Buffer);
561
562 return NULL;
563 }
564
565 return Op;
566}
567
568
569/*******************************************************************************
570 *
571 * FUNCTION: UtGetStringBuffer
572 *
573 * PARAMETERS: Length - Size of buffer requested
574 *
575 * RETURN: Pointer to the buffer. Aborts on allocation failure
576 *
577 * DESCRIPTION: Allocate a string buffer. Bypass the local
578 * dynamic memory manager for performance reasons (This has a
579 * major impact on the speed of the compiler.)
580 *
581 ******************************************************************************/
582
583char *
584UtGetStringBuffer (
585 UINT32 Length)
586{
587 char *Buffer;
588
589
590 if ((Gbl_StringCacheNext + Length) >= Gbl_StringCacheLast)
591 {
592 Gbl_StringCacheNext = UtLocalCalloc (ASL_STRING_CACHE_SIZE + Length);
593 Gbl_StringCacheLast = Gbl_StringCacheNext + ASL_STRING_CACHE_SIZE + Length;
594 }
595
596 Buffer = Gbl_StringCacheNext;
597 Gbl_StringCacheNext += Length;
598
599 return (Buffer);
600}
601
602
603/*******************************************************************************
604 *
605 * FUNCTION: UtInternalizeName
606 *
607 * PARAMETERS: ExternalName - Name to convert
608 * ConvertedName - Where the converted name is returned
609 *
610 * RETURN: Status
611 *
612 * DESCRIPTION: Convert an external (ASL) name to an internal (AML) name
613 *
614 ******************************************************************************/
615
616ACPI_STATUS
617UtInternalizeName (
618 char *ExternalName,
619 char **ConvertedName)
620{
621 ACPI_NAMESTRING_INFO Info;
622 ACPI_STATUS Status;
623
624
625 if (!ExternalName)
626 {
627 return (AE_OK);
628 }
629
630 /* Get the length of the new internal name */
631
632 Info.ExternalName = ExternalName;
633 AcpiNsGetInternalNameLength (&Info);
634
635 /* We need a segment to store the internal name */
636
637 Info.InternalName = UtGetStringBuffer (Info.Length);
638 if (!Info.InternalName)
639 {
640 return (AE_NO_MEMORY);
641 }
642
643 /* Build the name */
644
645 Status = AcpiNsBuildInternalName (&Info);
646 if (ACPI_FAILURE (Status))
647 {
648 return (Status);
649 }
650
651 *ConvertedName = Info.InternalName;
652 return (AE_OK);
653}
654
655
656/*******************************************************************************
657 *
658 * FUNCTION: UtPadNameWithUnderscores
659 *
660 * PARAMETERS: NameSeg - Input nameseg
661 * PaddedNameSeg - Output padded nameseg
662 *
663 * RETURN: Padded nameseg.
664 *
665 * DESCRIPTION: Pads a NameSeg with underscores if necessary to form a full
666 * ACPI_NAME.
667 *
668 ******************************************************************************/
669
670void
671UtPadNameWithUnderscores (
672 char *NameSeg,
673 char *PaddedNameSeg)
674{
675 UINT32 i;
676
677
678 for (i = 0; (i < ACPI_NAME_SIZE); i++)
679 {
680 if (*NameSeg)
681 {
682 *PaddedNameSeg = *NameSeg;
683 NameSeg++;
684 }
685 else
686 {
687 *PaddedNameSeg = '_';
688 }
689 PaddedNameSeg++;
690 }
691}
692
693
694/*******************************************************************************
695 *
696 * FUNCTION: UtAttachNameseg
697 *
698 * PARAMETERS: Op - Parent parse node
699 * Name - Full ExternalName
700 *
701 * RETURN: Sets the NameSeg field in parent node
702 *
703 * DESCRIPTION: Extract the last nameseg of the ExternalName and store it
704 * in the NameSeg field of the Op.
705 *
706 ******************************************************************************/
707
708void
709UtAttachNameseg (
710 ACPI_PARSE_OBJECT *Op,
711 char *Name)
712{
713 char *NameSeg;
714 char PaddedNameSeg[4];
715
716
717 if (!Name)
718 {
719 return;
720 }
721
722 /* Look for the last dot in the namepath */
723
724 NameSeg = strrchr (Name, '.');
725 if (NameSeg)
726 {
727 /* Found last dot, we have also found the final nameseg */
728
729 NameSeg++;
730 UtPadNameWithUnderscores (NameSeg, PaddedNameSeg);
731 }
732 else
733 {
734 /* No dots in the namepath, there is only a single nameseg. */
735 /* Handle prefixes */
736
737 while ((*Name == '\\') || (*Name == '^'))
738 {
739 Name++;
740 }
741
742 /* Remaing string should be one single nameseg */
743
744 UtPadNameWithUnderscores (Name, PaddedNameSeg);
745 }
746
747 strncpy (Op->Asl.NameSeg, PaddedNameSeg, 4);
748}
749
750
751/*******************************************************************************
752 *
753 * FUNCTION: UtAttachNamepathToOwner
754 *
755 * PARAMETERS: Op - Parent parse node
756 * NameOp - Node that contains the name
757 *
758 * RETURN: Sets the ExternalName and Namepath in the parent node
759 *
760 * DESCRIPTION: Store the name in two forms in the parent node: The original
761 * (external) name, and the internalized name that is used within
762 * the ACPI namespace manager.
763 *
764 ******************************************************************************/
765
766void
767UtAttachNamepathToOwner (
768 ACPI_PARSE_OBJECT *Op,
769 ACPI_PARSE_OBJECT *NameOp)
770{
771 ACPI_STATUS Status;
772
773
774 /* Full external path */
775
776 Op->Asl.ExternalName = NameOp->Asl.Value.String;
777
778 /* Last nameseg of the path */
779
780 UtAttachNameseg (Op, Op->Asl.ExternalName);
781
782 /* Create internalized path */
783
784 Status = UtInternalizeName (NameOp->Asl.Value.String, &Op->Asl.Namepath);
785 if (ACPI_FAILURE (Status))
786 {
787 /* TBD: abort on no memory */
788 }
789}
790
791
792/*******************************************************************************
793 *
794 * FUNCTION: UtDoConstant
795 *
796 * PARAMETERS: String - Hex, Octal, or Decimal string
797 *
798 * RETURN: Converted Integer
799 *
800 * DESCRIPTION: Convert a string to an integer. With error checking.
801 *
802 ******************************************************************************/
803
804ACPI_INTEGER
805UtDoConstant (
806 char *String)
807{
808 ACPI_STATUS Status;
809 ACPI_INTEGER Converted;
810 char ErrBuf[64];
811
812
813 Status = UtStrtoul64 (String, 0, &Converted);
814 if (ACPI_FAILURE (Status))
815 {
816 sprintf (ErrBuf, "%s %s\n", "Conversion error:", AcpiFormatException (Status));
817 AslCompilererror (ErrBuf);
818 }
819
820 return (Converted);
821}
822
823
824/*******************************************************************************
825 *
826 * FUNCTION: UtStrtoul64
827 *
828 * PARAMETERS: String - Null terminated string
829 * Terminater - Where a pointer to the terminating byte is returned
830 * Base - Radix of the string
831 *
832 * RETURN: Converted value
833 *
834 * DESCRIPTION: Convert a string into an unsigned value.
835 *
836 ******************************************************************************/
837#define NEGATIVE 1
838#define POSITIVE 0
839
840ACPI_STATUS
841UtStrtoul64 (
842 char *String,
843 UINT32 Base,
844 ACPI_INTEGER *RetInteger)
845{
846 UINT32 Index;
847 UINT32 Sign;
848 ACPI_INTEGER ReturnValue = 0;
849 ACPI_STATUS Status = AE_OK;
850
851
852 *RetInteger = 0;
853
854 switch (Base)
855 {
856 case 0:
857 case 8:
858 case 10:
859 case 16:
860 break;
861
862 default:
863 /*
864 * The specified Base parameter is not in the domain of
865 * this function:
866 */
867 return (AE_BAD_PARAMETER);
868 }
869
870 /*
871 * skip over any white space in the buffer:
872 */
873 while (isspace (*String) || *String == '\t')
874 {
875 ++String;
876 }
877
878 /*
879 * The buffer may contain an optional plus or minus sign.
880 * If it does, then skip over it but remember what is was:
881 */
882 if (*String == '-')
883 {
884 Sign = NEGATIVE;
885 ++String;
886 }
887 else if (*String == '+')
888 {
889 ++String;
890 Sign = POSITIVE;
891 }
892 else
893 {
894 Sign = POSITIVE;
895 }
896
897 /*
898 * If the input parameter Base is zero, then we need to
899 * determine if it is octal, decimal, or hexadecimal:
900 */
901 if (Base == 0)
902 {
903 if (*String == '0')
904 {
905 if (tolower (*(++String)) == 'x')
906 {
907 Base = 16;
908 ++String;
909 }
910 else
911 {
912 Base = 8;
913 }
914 }
915 else
916 {
917 Base = 10;
918 }
919 }
920
921 /*
922 * For octal and hexadecimal bases, skip over the leading
923 * 0 or 0x, if they are present.
924 */
925 if (Base == 8 && *String == '0')
926 {
927 String++;
928 }
929
930 if (Base == 16 &&
931 *String == '0' &&
932 tolower (*(++String)) == 'x')
933 {
934 String++;
935 }
936
937 /* Main loop: convert the string to an unsigned long */
938
939 while (*String)
940 {
941 if (isdigit (*String))
942 {
943 Index = ((UINT8) *String) - '0';
944 }
945 else
946 {
947 Index = (UINT8) toupper (*String);
948 if (isupper ((char) Index))
949 {
950 Index = Index - 'A' + 10;
951 }
952 else
953 {
954 goto ErrorExit;
955 }
956 }
957
958 if (Index >= Base)
959 {
960 goto ErrorExit;
961 }
962
963 /* Check to see if value is out of range: */
964
965 if (ReturnValue > ((ACPI_INTEGER_MAX - (ACPI_INTEGER) Index) /
966 (ACPI_INTEGER) Base))
967 {
968 goto ErrorExit;
969 }
970 else
971 {
972 ReturnValue *= Base;
973 ReturnValue += Index;
974 }
975
976 ++String;
977 }
978
979
980 /*
981 * If a minus sign was present, then "the conversion is negated":
982 */
983 if (Sign == NEGATIVE)
984 {
985 ReturnValue = (ACPI_UINT32_MAX - ReturnValue) + 1;
986 }
987
988 *RetInteger = ReturnValue;
989 return (Status);
990
991
992ErrorExit:
993 switch (Base)
994 {
995 case 8:
996 Status = AE_BAD_OCTAL_CONSTANT;
997 break;
998
999 case 10:
1000 Status = AE_BAD_DECIMAL_CONSTANT;
1001 break;
1002
1003 case 16:
1004 Status = AE_BAD_HEX_CONSTANT;
1005 break;
1006
1007 default:
1008 /* Base validated above */
1009 break;
1010 }
1011
1012 return (Status);
1013}
1014
1015
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