xref: /freebsd/sys/contrib/dev/acpica/compiler/aslutils.c (revision bdd1243df58e60e85101c09001d9812a789b6bc4)
1 /******************************************************************************
2  *
3  * Module Name: aslutils -- compiler utilities
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2022, Intel Corp.
12  * All rights reserved.
13  *
14  * 2. License
15  *
16  * 2.1. This is your license from Intel Corp. under its intellectual property
17  * rights. You may have additional license terms from the party that provided
18  * you this software, covering your right to use that party's intellectual
19  * property rights.
20  *
21  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
22  * copy of the source code appearing in this file ("Covered Code") an
23  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
24  * base code distributed originally by Intel ("Original Intel Code") to copy,
25  * make derivatives, distribute, use and display any portion of the Covered
26  * Code in any form, with the right to sublicense such rights; and
27  *
28  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
29  * license (with the right to sublicense), under only those claims of Intel
30  * patents that are infringed by the Original Intel Code, to make, use, sell,
31  * offer to sell, and import the Covered Code and derivative works thereof
32  * solely to the minimum extent necessary to exercise the above copyright
33  * license, and in no event shall the patent license extend to any additions
34  * to or modifications of the Original Intel Code. No other license or right
35  * is granted directly or by implication, estoppel or otherwise;
36  *
37  * The above copyright and patent license is granted only if the following
38  * conditions are met:
39  *
40  * 3. Conditions
41  *
42  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
43  * Redistribution of source code of any substantial portion of the Covered
44  * Code or modification with rights to further distribute source must include
45  * the above Copyright Notice, the above License, this list of Conditions,
46  * and the following Disclaimer and Export Compliance provision. In addition,
47  * Licensee must cause all Covered Code to which Licensee contributes to
48  * contain a file documenting the changes Licensee made to create that Covered
49  * Code and the date of any change. Licensee must include in that file the
50  * documentation of any changes made by any predecessor Licensee. Licensee
51  * must include a prominent statement that the modification is derived,
52  * directly or indirectly, from Original Intel Code.
53  *
54  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
55  * Redistribution of source code of any substantial portion of the Covered
56  * Code or modification without rights to further distribute source must
57  * include the following Disclaimer and Export Compliance provision in the
58  * documentation and/or other materials provided with distribution. In
59  * addition, Licensee may not authorize further sublicense of source of any
60  * portion of the Covered Code, and must include terms to the effect that the
61  * license from Licensee to its licensee is limited to the intellectual
62  * property embodied in the software Licensee provides to its licensee, and
63  * not to intellectual property embodied in modifications its licensee may
64  * make.
65  *
66  * 3.3. Redistribution of Executable. Redistribution in executable form of any
67  * substantial portion of the Covered Code or modification must reproduce the
68  * above Copyright Notice, and the following Disclaimer and Export Compliance
69  * provision in the documentation and/or other materials provided with the
70  * distribution.
71  *
72  * 3.4. Intel retains all right, title, and interest in and to the Original
73  * Intel Code.
74  *
75  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
76  * Intel shall be used in advertising or otherwise to promote the sale, use or
77  * other dealings in products derived from or relating to the Covered Code
78  * without prior written authorization from Intel.
79  *
80  * 4. Disclaimer and Export Compliance
81  *
82  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
83  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
84  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
85  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
86  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
87  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
88  * PARTICULAR PURPOSE.
89  *
90  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
91  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
92  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
93  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
94  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
95  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
96  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
97  * LIMITED REMEDY.
98  *
99  * 4.3. Licensee shall not export, either directly or indirectly, any of this
100  * software or system incorporating such software without first obtaining any
101  * required license or other approval from the U. S. Department of Commerce or
102  * any other agency or department of the United States Government. In the
103  * event Licensee exports any such software from the United States or
104  * re-exports any such software from a foreign destination, Licensee shall
105  * ensure that the distribution and export/re-export of the software is in
106  * compliance with all laws, regulations, orders, or other restrictions of the
107  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
108  * any of its subsidiaries will export/re-export any technical data, process,
109  * software, or service, directly or indirectly, to any country for which the
110  * United States government or any agency thereof requires an export license,
111  * other governmental approval, or letter of assurance, without first obtaining
112  * such license, approval or letter.
113  *
114  *****************************************************************************
115  *
116  * Alternatively, you may choose to be licensed under the terms of the
117  * following license:
118  *
119  * Redistribution and use in source and binary forms, with or without
120  * modification, are permitted provided that the following conditions
121  * are met:
122  * 1. Redistributions of source code must retain the above copyright
123  *    notice, this list of conditions, and the following disclaimer,
124  *    without modification.
125  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
126  *    substantially similar to the "NO WARRANTY" disclaimer below
127  *    ("Disclaimer") and any redistribution must be conditioned upon
128  *    including a substantially similar Disclaimer requirement for further
129  *    binary redistribution.
130  * 3. Neither the names of the above-listed copyright holders nor the names
131  *    of any contributors may be used to endorse or promote products derived
132  *    from this software without specific prior written permission.
133  *
134  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
135  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
136  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
137  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
138  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
139  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
140  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
141  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
142  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
143  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
144  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
145  *
146  * Alternatively, you may choose to be licensed under the terms of the
147  * GNU General Public License ("GPL") version 2 as published by the Free
148  * Software Foundation.
149  *
150  *****************************************************************************/
151 
152 #include <contrib/dev/acpica/compiler/aslcompiler.h>
153 #include "aslcompiler.y.h"
154 #include <contrib/dev/acpica/include/acdisasm.h>
155 #include <contrib/dev/acpica/include/acnamesp.h>
156 #include <contrib/dev/acpica/include/amlcode.h>
157 #include <contrib/dev/acpica/include/acapps.h>
158 #include <sys/stat.h>
159 
160 
161 #define _COMPONENT          ACPI_COMPILER
162         ACPI_MODULE_NAME    ("aslutils")
163 
164 
165 /* Local prototypes */
166 
167 static void
168 UtPadNameWithUnderscores (
169     char                    *NameSeg,
170     char                    *PaddedNameSeg);
171 
172 static void
173 UtAttachNameseg (
174     ACPI_PARSE_OBJECT       *Op,
175     char                    *Name);
176 
177 static void
178 UtDisplayErrorSummary (
179     UINT32                  FileId);
180 
181 
182 /*******************************************************************************
183  *
184  * FUNCTION:    UtIsBigEndianMachine
185  *
186  * PARAMETERS:  None
187  *
188  * RETURN:      TRUE if machine is big endian
189  *              FALSE if machine is little endian
190  *
191  * DESCRIPTION: Detect whether machine is little endian or big endian.
192  *
193  ******************************************************************************/
194 
195 UINT8
196 UtIsBigEndianMachine (
197     void)
198 {
199     union {
200         UINT32              Integer;
201         UINT8               Bytes[4];
202     } Overlay =                 {0xFF000000};
203 
204 
205     return (Overlay.Bytes[0]); /* Returns 0xFF (TRUE) for big endian */
206 }
207 
208 
209 /*******************************************************************************
210  *
211  * FUNCTION:    UtIsIdInteger
212  *
213  * PARAMETERS:  Pointer to an ACPI ID (HID, CID) string
214  *
215  * RETURN:      TRUE if string is an integer
216  *              FALSE if string is not an integer
217  *
218  * DESCRIPTION: Determine whether the input ACPI ID string can be converted to
219  *              an integer value.
220  *
221  ******************************************************************************/
222 
223 BOOLEAN
224 UtIsIdInteger (
225     UINT8                   *Target)
226 {
227     UINT32                  i;
228 
229 
230     /* The first three characters of the string must be alphabetic */
231 
232     for (i = 0; i < 3; i++)
233     {
234         if (!isalpha ((int) Target[i]))
235         {
236             break;
237         }
238     }
239 
240     if (i < 3)
241     {
242         return (TRUE);
243     }
244 
245     return (FALSE);
246 }
247 
248 
249 /******************************************************************************
250  *
251  * FUNCTION:    UtQueryForOverwrite
252  *
253  * PARAMETERS:  Pathname            - Output filename
254  *
255  * RETURN:      TRUE if file does not exist or overwrite is authorized
256  *
257  * DESCRIPTION: Query for file overwrite if it already exists.
258  *
259  ******************************************************************************/
260 
261 BOOLEAN
262 UtQueryForOverwrite (
263     char                    *Pathname)
264 {
265     struct stat             StatInfo;
266     int                     InChar;
267 
268 
269     if (!stat (Pathname, &StatInfo))
270     {
271         fprintf (stderr, "Target file \"%s\" already exists, overwrite? [y|n] ",
272             Pathname);
273 
274         InChar = fgetc (stdin);
275         if (InChar == '\n')
276         {
277             InChar = fgetc (stdin);
278         }
279 
280         if ((InChar != 'y') && (InChar != 'Y'))
281         {
282             return (FALSE);
283         }
284     }
285 
286     return (TRUE);
287 }
288 
289 
290 /*******************************************************************************
291  *
292  * FUNCTION:    UtNodeIsDescendantOf
293  *
294  * PARAMETERS:  Node1                   - Child node
295  *              Node2                   - Possible parent node
296  *
297  * RETURN:      Boolean
298  *
299  * DESCRIPTION: Returns TRUE if Node1 is a descendant of Node2. Otherwise,
300  *              return FALSE. Note, we assume a NULL Node2 element to be the
301  *              topmost (root) scope. All nodes are descendants of the root.
302  *              Note: Nodes at the same level (siblings) are not considered
303  *              descendants.
304  *
305  ******************************************************************************/
306 
307 BOOLEAN
308 UtNodeIsDescendantOf (
309     ACPI_NAMESPACE_NODE     *Node1,
310     ACPI_NAMESPACE_NODE     *Node2)
311 {
312 
313     if (Node1 == Node2)
314     {
315         return (FALSE);
316     }
317 
318     if (!Node2)
319     {
320         return (TRUE); /* All nodes descend from the root */
321     }
322 
323     /* Walk upward until the root is reached or parent is found */
324 
325     while (Node1)
326     {
327         if (Node1 == Node2)
328         {
329             return (TRUE);
330         }
331 
332         Node1 = Node1->Parent;
333     }
334 
335     return (FALSE);
336 }
337 
338 
339 /*******************************************************************************
340  *
341  * FUNCTION:    UtGetParentMethodNode
342  *
343  * PARAMETERS:  Node                    - Namespace node for any object
344  *
345  * RETURN:      Namespace node for the parent method
346  *              NULL - object is not within a method
347  *
348  * DESCRIPTION: Find the parent (owning) method node for a namespace object
349  *
350  ******************************************************************************/
351 
352 ACPI_NAMESPACE_NODE *
353 UtGetParentMethodNode (
354     ACPI_NAMESPACE_NODE     *Node)
355 {
356     ACPI_NAMESPACE_NODE     *ParentNode;
357 
358 
359     if (!Node)
360     {
361         return (NULL);
362     }
363 
364     /* Walk upward until a method is found, or the root is reached */
365 
366     ParentNode = Node->Parent;
367     while (ParentNode)
368     {
369         if (ParentNode->Type == ACPI_TYPE_METHOD)
370         {
371             return (ParentNode);
372         }
373 
374         ParentNode = ParentNode->Parent;
375     }
376 
377     return (NULL); /* Object is not within a control method */
378 }
379 
380 
381 /*******************************************************************************
382  *
383  * FUNCTION:    UtGetParentMethodOp
384  *
385  * PARAMETERS:  Op                      - Parse Op to be checked
386  *
387  * RETURN:      Control method Op if found. NULL otherwise
388  *
389  * DESCRIPTION: Find the control method parent of a parse op. Returns NULL if
390  *              the input Op is not within a control method.
391  *
392  ******************************************************************************/
393 
394 ACPI_PARSE_OBJECT *
395 UtGetParentMethodOp (
396     ACPI_PARSE_OBJECT       *Op)
397 {
398     ACPI_PARSE_OBJECT       *NextOp;
399 
400 
401     NextOp = Op->Asl.Parent;
402     while (NextOp)
403     {
404         if (NextOp->Asl.AmlOpcode == AML_METHOD_OP)
405         {
406             return (NextOp);
407         }
408 
409         NextOp = NextOp->Asl.Parent;
410     }
411 
412     return (NULL); /* No parent method found */
413 }
414 
415 
416 /*******************************************************************************
417  *
418  * FUNCTION:    UtDisplaySupportedTables
419  *
420  * PARAMETERS:  None
421  *
422  * RETURN:      None
423  *
424  * DESCRIPTION: Print all supported ACPI table names.
425  *
426  ******************************************************************************/
427 
428 void
429 UtDisplaySupportedTables (
430     void)
431 {
432     const AH_TABLE          *TableData;
433     UINT32                  i;
434 
435 
436     printf ("\nACPI tables supported by iASL version %8.8X:\n"
437         "  (Compiler, Disassembler, Template Generator)\n",
438         ACPI_CA_VERSION);
439 
440     /* All ACPI tables with the common table header */
441 
442     printf ("\nKnown/Supported ACPI tables:\n");
443     for (TableData = AcpiGbl_SupportedTables, i = 1;
444          TableData->Signature; TableData++, i++)
445     {
446         printf ("%8u) %s    %s\n", i,
447             TableData->Signature, TableData->Description);
448     }
449 
450     printf ("\nTotal %u ACPI tables\n\n", i-1);
451 }
452 
453 
454 /*******************************************************************************
455  *
456  * FUNCTION:    UtDisplayConstantOpcodes
457  *
458  * PARAMETERS:  None
459  *
460  * RETURN:      None
461  *
462  * DESCRIPTION: Print AML opcodes that can be used in constant expressions.
463  *
464  ******************************************************************************/
465 
466 void
467 UtDisplayConstantOpcodes (
468     void)
469 {
470     UINT32                  i;
471 
472 
473     printf ("Constant expression opcode information\n\n");
474 
475     for (i = 0; i < sizeof (AcpiGbl_AmlOpInfo) / sizeof (ACPI_OPCODE_INFO); i++)
476     {
477         if (AcpiGbl_AmlOpInfo[i].Flags & AML_CONSTANT)
478         {
479             printf ("%s\n", AcpiGbl_AmlOpInfo[i].Name);
480         }
481     }
482 }
483 
484 
485 /*******************************************************************************
486  *
487  * FUNCTION:    UtBeginEvent
488  *
489  * PARAMETERS:  Name                - Ascii name of this event
490  *
491  * RETURN:      Event number (integer index)
492  *
493  * DESCRIPTION: Saves the current time with this event
494  *
495  ******************************************************************************/
496 
497 UINT8
498 UtBeginEvent (
499     char                    *Name)
500 {
501 
502     if (AslGbl_NextEvent >= ASL_NUM_EVENTS)
503     {
504         AcpiOsPrintf ("Ran out of compiler event structs!\n");
505         return (AslGbl_NextEvent);
506     }
507 
508     /* Init event with current (start) time */
509 
510     AslGbl_Events[AslGbl_NextEvent].StartTime = AcpiOsGetTimer ();
511     AslGbl_Events[AslGbl_NextEvent].EventName = Name;
512     AslGbl_Events[AslGbl_NextEvent].Valid = TRUE;
513     return (AslGbl_NextEvent++);
514 }
515 
516 
517 /*******************************************************************************
518  *
519  * FUNCTION:    UtEndEvent
520  *
521  * PARAMETERS:  Event               - Event number (integer index)
522  *
523  * RETURN:      None
524  *
525  * DESCRIPTION: Saves the current time (end time) with this event
526  *
527  ******************************************************************************/
528 
529 void
530 UtEndEvent (
531     UINT8                   Event)
532 {
533 
534     if (Event >= ASL_NUM_EVENTS)
535     {
536         return;
537     }
538 
539     /* Insert end time for event */
540 
541     AslGbl_Events[Event].EndTime = AcpiOsGetTimer ();
542 }
543 
544 
545 /*******************************************************************************
546  *
547  * FUNCTION:    DbgPrint
548  *
549  * PARAMETERS:  Type                - Type of output
550  *              Fmt                 - Printf format string
551  *              ...                 - variable printf list
552  *
553  * RETURN:      None
554  *
555  * DESCRIPTION: Conditional print statement. Prints to stderr only if the
556  *              debug flag is set.
557  *
558  ******************************************************************************/
559 
560 void
561 DbgPrint (
562     UINT32                  Type,
563     char                    *Fmt,
564     ...)
565 {
566     va_list                 Args;
567 
568 
569     if (!AslGbl_DebugFlag)
570     {
571         return;
572     }
573 
574     if ((Type == ASL_PARSE_OUTPUT) &&
575         (!(AslCompilerdebug)))
576     {
577         return;
578     }
579 
580     va_start (Args, Fmt);
581     (void) vfprintf (stderr, Fmt, Args);
582     va_end (Args);
583     return;
584 }
585 
586 
587 /*******************************************************************************
588  *
589  * FUNCTION:    UtSetParseOpName
590  *
591  * PARAMETERS:  Op                  - Parse op to be named.
592  *
593  * RETURN:      None
594  *
595  * DESCRIPTION: Insert the ascii name of the parse opcode
596  *
597  ******************************************************************************/
598 
599 void
600 UtSetParseOpName (
601     ACPI_PARSE_OBJECT       *Op)
602 {
603 
604     AcpiUtSafeStrncpy (Op->Asl.ParseOpName, UtGetOpName (Op->Asl.ParseOpcode),
605         ACPI_MAX_PARSEOP_NAME);
606 }
607 
608 
609 /*******************************************************************************
610  *
611  * FUNCTION:    UtDisplayOneSummary
612  *
613  * PARAMETERS:  FileID              - ID of outpout file
614  *
615  * RETURN:      None
616  *
617  * DESCRIPTION: Display compilation statistics for one input file
618  *
619  ******************************************************************************/
620 
621 void
622 UtDisplayOneSummary (
623     UINT32                  FileId,
624     BOOLEAN                 DisplayErrorSummary)
625 {
626     UINT32                  i;
627     ASL_GLOBAL_FILE_NODE    *FileNode;
628     BOOLEAN                 DisplayAMLSummary;
629 
630 
631     DisplayAMLSummary =
632         !AslGbl_PreprocessOnly && !AslGbl_ParserErrorDetected &&
633         ((AslGbl_ExceptionCount[ASL_ERROR] == 0) || AslGbl_IgnoreErrors) &&
634         AslGbl_Files[ASL_FILE_AML_OUTPUT].Handle;
635 
636     if (FileId != ASL_FILE_STDOUT)
637     {
638         /* Compiler name and version number */
639 
640         FlPrintFile (FileId, "%s version %X\n\n",
641             ASL_COMPILER_NAME, (UINT32) ACPI_CA_VERSION);
642     }
643 
644     /* Summary of main input and output files */
645 
646     FileNode = FlGetCurrentFileNode ();
647 
648     if (FileNode->ParserErrorDetected)
649     {
650         FlPrintFile (FileId,
651             "%-14s %s - Compilation aborted due to parser-detected syntax error(s)\n",
652             "Input file:", AslGbl_Files[ASL_FILE_INPUT].Filename);
653     }
654     else if (FileNode->FileType == ASL_INPUT_TYPE_ASCII_DATA)
655     {
656         FlPrintFile (FileId,
657             "%-14s %s - %7u bytes %6u fields %8u source lines\n",
658             "Table Input:",
659             AslGbl_Files[ASL_FILE_INPUT].Filename,
660             FileNode->OriginalInputFileSize, FileNode->TotalFields,
661             FileNode->TotalLineCount);
662 
663         FlPrintFile (FileId,
664             "%-14s %s - %7u bytes\n",
665             "Binary Output:",
666             AslGbl_Files[ASL_FILE_AML_OUTPUT].Filename, FileNode->OutputByteLength);
667     }
668     else if (FileNode->FileType == ASL_INPUT_TYPE_ASCII_ASL)
669     {
670         FlPrintFile (FileId,
671             "%-14s %s - %7u bytes %6u keywords %6u source lines\n",
672             "ASL Input:",
673             AslGbl_Files[ASL_FILE_INPUT].Filename,
674             FileNode->OriginalInputFileSize,
675             FileNode->TotalKeywords,
676             FileNode->TotalLineCount);
677 
678         /* AML summary */
679 
680         if (DisplayAMLSummary)
681         {
682             FlPrintFile (FileId,
683                 "%-14s %s - %7u bytes %6u opcodes  %6u named objects\n",
684                 "AML Output:",
685                 AslGbl_Files[ASL_FILE_AML_OUTPUT].Filename,
686                 FlGetFileSize (ASL_FILE_AML_OUTPUT),
687                 FileNode->TotalExecutableOpcodes,
688                 FileNode->TotalNamedObjects);
689         }
690     }
691 
692     /* Display summary of any optional files */
693 
694     for (i = ASL_FILE_SOURCE_OUTPUT; i <= ASL_MAX_FILE_TYPE; i++)
695     {
696         if (!AslGbl_Files[i].Filename || !AslGbl_Files[i].Handle)
697         {
698             continue;
699         }
700 
701         /* .SRC is a temp file unless specifically requested */
702 
703         if ((i == ASL_FILE_SOURCE_OUTPUT) && (!AslGbl_SourceOutputFlag))
704         {
705             continue;
706         }
707 
708         /* .PRE is the preprocessor intermediate file */
709 
710         if ((i == ASL_FILE_PREPROCESSOR)  && (!AslGbl_KeepPreprocessorTempFile))
711         {
712             continue;
713         }
714 
715         FlPrintFile (FileId, "%-14s %s - %7u bytes\n",
716             AslGbl_FileDescs[i].ShortDescription,
717             AslGbl_Files[i].Filename, FlGetFileSize (i));
718     }
719 
720 
721     /*
722      * Optionally emit an error summary for a file. This is used to enhance the
723      * appearance of listing files.
724      */
725     if (DisplayErrorSummary)
726     {
727         UtDisplayErrorSummary (FileId);
728     }
729 }
730 
731 
732 /*******************************************************************************
733  *
734  * FUNCTION:    UtDisplayErrorSummary
735  *
736  * PARAMETERS:  FileID              - ID of outpout file
737  *
738  * RETURN:      None
739  *
740  * DESCRIPTION: Display compilation statistics for all input files
741  *
742  ******************************************************************************/
743 
744 static void
745 UtDisplayErrorSummary (
746     UINT32                  FileId)
747 {
748     BOOLEAN                 ErrorDetected;
749 
750 
751     ErrorDetected = AslGbl_ParserErrorDetected ||
752         ((AslGbl_ExceptionCount[ASL_ERROR] > 0) && !AslGbl_IgnoreErrors);
753 
754     if (ErrorDetected)
755     {
756         FlPrintFile (FileId, "\nCompilation failed. ");
757     }
758     else
759     {
760         FlPrintFile (FileId, "\nCompilation successful. ");
761     }
762 
763     FlPrintFile (FileId,
764         "%u Errors, %u Warnings, %u Remarks",
765         AslGbl_ExceptionCount[ASL_ERROR],
766         AslGbl_ExceptionCount[ASL_WARNING] +
767             AslGbl_ExceptionCount[ASL_WARNING2] +
768             AslGbl_ExceptionCount[ASL_WARNING3],
769         AslGbl_ExceptionCount[ASL_REMARK]);
770 
771     if (AslGbl_FileType != ASL_INPUT_TYPE_ASCII_DATA)
772     {
773         if (AslGbl_ParserErrorDetected)
774         {
775             FlPrintFile (FileId,
776                 "\nNo AML files were generated due to syntax error(s)\n");
777             return;
778         }
779         else if (ErrorDetected)
780         {
781             FlPrintFile (FileId,
782                 "\nNo AML files were generated due to compiler error(s)\n");
783             return;
784         }
785 
786         FlPrintFile (FileId, ", %u Optimizations",
787             AslGbl_ExceptionCount[ASL_OPTIMIZATION]);
788 
789         if (AslGbl_TotalFolds)
790         {
791             FlPrintFile (FileId, ", %u Constants Folded", AslGbl_TotalFolds);
792         }
793     }
794 
795     FlPrintFile (FileId, "\n");
796 }
797 
798 
799 /*******************************************************************************
800  *
801  * FUNCTION:    UtDisplaySummary
802  *
803  * PARAMETERS:  FileID              - ID of outpout file
804  *
805  * RETURN:      None
806  *
807  * DESCRIPTION: Display compilation statistics for all input files
808  *
809  ******************************************************************************/
810 
811 void
812 UtDisplaySummary (
813     UINT32                  FileId)
814 {
815     ASL_GLOBAL_FILE_NODE    *Current = AslGbl_FilesList;
816 
817 
818     while (Current)
819     {
820         switch  (FlSwitchFileSet(Current->Files[ASL_FILE_INPUT].Filename))
821         {
822             case SWITCH_TO_SAME_FILE:
823             case SWITCH_TO_DIFFERENT_FILE:
824 
825                 UtDisplayOneSummary (FileId, FALSE);
826                 Current = Current->Next;
827                 break;
828 
829             case FILE_NOT_FOUND:
830             default:
831 
832                 Current = NULL;
833                 break;
834         }
835     }
836     UtDisplayErrorSummary (FileId);
837 }
838 
839 /*******************************************************************************
840  *
841  * FUNCTION:    UtCheckIntegerRange
842  *
843  * PARAMETERS:  Op                  - Integer parse node
844  *              LowValue            - Smallest allowed value
845  *              HighValue           - Largest allowed value
846  *
847  * RETURN:      Op if OK, otherwise NULL
848  *
849  * DESCRIPTION: Check integer for an allowable range
850  *
851  ******************************************************************************/
852 
853 ACPI_PARSE_OBJECT *
854 UtCheckIntegerRange (
855     ACPI_PARSE_OBJECT       *Op,
856     UINT32                  LowValue,
857     UINT32                  HighValue)
858 {
859 
860     if (!Op)
861     {
862         return (NULL);
863     }
864 
865     if ((Op->Asl.Value.Integer < LowValue) ||
866         (Op->Asl.Value.Integer > HighValue))
867     {
868         sprintf (AslGbl_MsgBuffer, "0x%X, allowable: 0x%X-0x%X",
869             (UINT32) Op->Asl.Value.Integer, LowValue, HighValue);
870 
871         AslError (ASL_ERROR, ASL_MSG_RANGE, Op, AslGbl_MsgBuffer);
872         return (NULL);
873     }
874 
875     return (Op);
876 }
877 
878 
879 /*******************************************************************************
880  *
881  * FUNCTION:    UtInternalizeName
882  *
883  * PARAMETERS:  ExternalName        - Name to convert
884  *              ConvertedName       - Where the converted name is returned
885  *
886  * RETURN:      Status
887  *
888  * DESCRIPTION: Convert an external (ASL) name to an internal (AML) name
889  *
890  ******************************************************************************/
891 
892 ACPI_STATUS
893 UtInternalizeName (
894     char                    *ExternalName,
895     char                    **ConvertedName)
896 {
897     ACPI_NAMESTRING_INFO    Info;
898     ACPI_STATUS             Status;
899 
900 
901     if (!ExternalName)
902     {
903         return (AE_OK);
904     }
905 
906     /* Get the length of the new internal name */
907 
908     Info.ExternalName = ExternalName;
909     AcpiNsGetInternalNameLength (&Info);
910 
911     /* We need a segment to store the internal name */
912 
913     Info.InternalName = UtLocalCacheCalloc (Info.Length);
914 
915     /* Build the name */
916 
917     Status = AcpiNsBuildInternalName (&Info);
918     if (ACPI_FAILURE (Status))
919     {
920         return (Status);
921     }
922 
923     *ConvertedName = Info.InternalName;
924     return (AE_OK);
925 }
926 
927 
928 /*******************************************************************************
929  *
930  * FUNCTION:    UtPadNameWithUnderscores
931  *
932  * PARAMETERS:  NameSeg             - Input nameseg
933  *              PaddedNameSeg       - Output padded nameseg
934  *
935  * RETURN:      Padded nameseg.
936  *
937  * DESCRIPTION: Pads a NameSeg with underscores if necessary to form a full
938  *              ACPI_NAME.
939  *
940  ******************************************************************************/
941 
942 static void
943 UtPadNameWithUnderscores (
944     char                    *NameSeg,
945     char                    *PaddedNameSeg)
946 {
947     UINT32                  i;
948 
949 
950     for (i = 0; (i < ACPI_NAMESEG_SIZE); i++)
951     {
952         if (*NameSeg)
953         {
954             *PaddedNameSeg = *NameSeg;
955             NameSeg++;
956         }
957         else
958         {
959             *PaddedNameSeg = '_';
960         }
961 
962         PaddedNameSeg++;
963     }
964 }
965 
966 
967 /*******************************************************************************
968  *
969  * FUNCTION:    UtAttachNameseg
970  *
971  * PARAMETERS:  Op                  - Parent parse node
972  *              Name                - Full ExternalName
973  *
974  * RETURN:      None; Sets the NameSeg field in parent node
975  *
976  * DESCRIPTION: Extract the last nameseg of the ExternalName and store it
977  *              in the NameSeg field of the Op.
978  *
979  ******************************************************************************/
980 
981 static void
982 UtAttachNameseg (
983     ACPI_PARSE_OBJECT       *Op,
984     char                    *Name)
985 {
986     char                    *NameSeg;
987     char                    PaddedNameSeg[4];
988 
989 
990     if (!Name)
991     {
992         return;
993     }
994 
995     /* Look for the last dot in the namepath */
996 
997     NameSeg = strrchr (Name, '.');
998     if (NameSeg)
999     {
1000         /* Found last dot, we have also found the final nameseg */
1001 
1002         NameSeg++;
1003         UtPadNameWithUnderscores (NameSeg, PaddedNameSeg);
1004     }
1005     else
1006     {
1007         /* No dots in the namepath, there is only a single nameseg. */
1008         /* Handle prefixes */
1009 
1010         while (ACPI_IS_ROOT_PREFIX (*Name) ||
1011                ACPI_IS_PARENT_PREFIX (*Name))
1012         {
1013             Name++;
1014         }
1015 
1016         /* Remaining string should be one single nameseg */
1017 
1018         UtPadNameWithUnderscores (Name, PaddedNameSeg);
1019     }
1020 
1021     ACPI_COPY_NAMESEG (Op->Asl.NameSeg, PaddedNameSeg);
1022 }
1023 
1024 
1025 /*******************************************************************************
1026  *
1027  * FUNCTION:    UtAttachNamepathToOwner
1028  *
1029  * PARAMETERS:  Op                  - Parent parse node
1030  *              NameOp              - Node that contains the name
1031  *
1032  * RETURN:      Sets the ExternalName and Namepath in the parent node
1033  *
1034  * DESCRIPTION: Store the name in two forms in the parent node: The original
1035  *              (external) name, and the internalized name that is used within
1036  *              the ACPI namespace manager.
1037  *
1038  ******************************************************************************/
1039 
1040 void
1041 UtAttachNamepathToOwner (
1042     ACPI_PARSE_OBJECT       *Op,
1043     ACPI_PARSE_OBJECT       *NameOp)
1044 {
1045     ACPI_STATUS             Status;
1046 
1047 
1048     /* Full external path */
1049 
1050     Op->Asl.ExternalName = NameOp->Asl.Value.String;
1051 
1052     /* Save the NameOp for possible error reporting later */
1053 
1054     Op->Asl.ParentMethod = (void *) NameOp;
1055 
1056     /* Last nameseg of the path */
1057 
1058     UtAttachNameseg (Op, Op->Asl.ExternalName);
1059 
1060     /* Create internalized path */
1061 
1062     Status = UtInternalizeName (NameOp->Asl.Value.String, &Op->Asl.Namepath);
1063     if (ACPI_FAILURE (Status))
1064     {
1065         /* TBD: abort on no memory */
1066     }
1067 }
1068 
1069 
1070 /*******************************************************************************
1071  *
1072  * FUNCTION:    UtNameContainsAllPrefix
1073  *
1074  * PARAMETERS:  Op                  - Op containing NameString
1075  *
1076  * RETURN:      NameString consists of all ^ characters
1077  *
1078  * DESCRIPTION: Determine if this Op contains a name segment that consists of
1079  *              all '^' characters.
1080  *
1081  ******************************************************************************/
1082 
1083 BOOLEAN
1084 UtNameContainsAllPrefix (
1085     ACPI_PARSE_OBJECT       *Op)
1086 {
1087     UINT32                  Length = Op->Asl.AmlLength;
1088     UINT32                  i;
1089 
1090     for (i = 0; i < Length; i++)
1091     {
1092         if (Op->Asl.Value.String[i] != '^')
1093         {
1094             return (FALSE);
1095         }
1096     }
1097 
1098     return (TRUE);
1099 }
1100 
1101 /*******************************************************************************
1102  *
1103  * FUNCTION:    UtDoConstant
1104  *
1105  * PARAMETERS:  String              - Hex/Decimal/Octal
1106  *
1107  * RETURN:      Converted Integer
1108  *
1109  * DESCRIPTION: Convert a string to an integer, with overflow/error checking.
1110  *
1111  ******************************************************************************/
1112 
1113 UINT64
1114 UtDoConstant (
1115     char                    *String)
1116 {
1117     ACPI_STATUS             Status;
1118     UINT64                  ConvertedInteger;
1119     char                    ErrBuf[128];
1120     const ACPI_EXCEPTION_INFO *ExceptionInfo;
1121 
1122 
1123     Status = AcpiUtStrtoul64 (String, &ConvertedInteger);
1124     if (ACPI_FAILURE (Status))
1125     {
1126         ExceptionInfo = AcpiUtValidateException ((ACPI_STATUS) Status);
1127         sprintf (ErrBuf, " %s while converting to 64-bit integer",
1128             ExceptionInfo->Description);
1129 
1130         AslCommonError (ASL_ERROR, ASL_MSG_SYNTAX, AslGbl_CurrentLineNumber,
1131             AslGbl_LogicalLineNumber, AslGbl_CurrentLineOffset,
1132             AslGbl_CurrentColumn, AslGbl_Files[ASL_FILE_INPUT].Filename, ErrBuf);
1133     }
1134 
1135     return (ConvertedInteger);
1136 }
1137 
1138 
1139 /******************************************************************************
1140  *
1141  * FUNCTION:    AcpiUtStrdup
1142  *
1143  * PARAMETERS:  String1             - string to duplicate
1144  *
1145  * RETURN:      int that signifies string relationship. Zero means strings
1146  *              are equal.
1147  *
1148  * DESCRIPTION: Duplicate the string using UtCacheAlloc to avoid manual memory
1149  *              reclamation.
1150  *
1151  ******************************************************************************/
1152 
1153 char *
1154 AcpiUtStrdup (
1155     char                    *String)
1156 {
1157     char                    *NewString = (char *) UtLocalCalloc (strlen (String) + 1);
1158 
1159 
1160     strcpy (NewString, String);
1161     return (NewString);
1162 }
1163 
1164 
1165 /******************************************************************************
1166  *
1167  * FUNCTION:    AcpiUtStrcat
1168  *
1169  * PARAMETERS:  String1
1170  *              String2
1171  *
1172  * RETURN:      New string with String1 concatenated with String2
1173  *
1174  * DESCRIPTION: Concatenate string1 and string2
1175  *
1176  ******************************************************************************/
1177 
1178 char *
1179 AcpiUtStrcat (
1180     char                    *String1,
1181     char                    *String2)
1182 {
1183     UINT32                  String1Length = strlen (String1);
1184     char                    *NewString = (char *) UtLocalCalloc (strlen (String1) + strlen (String2) + 1);
1185 
1186     strcpy (NewString, String1);
1187     strcpy (NewString + String1Length, String2);
1188     return (NewString);
1189 }
1190