xref: /freebsd/sys/contrib/dev/acpica/compiler/asllisting.c (revision 93e779a26c651610ac6e7986d67ecc9ed2cadcbf)
1 /******************************************************************************
2  *
3  * Module Name: asllisting - Listing file generation
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2015, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #include <contrib/dev/acpica/compiler/aslcompiler.h>
45 #include "aslcompiler.y.h"
46 #include <contrib/dev/acpica/include/amlcode.h>
47 #include <contrib/dev/acpica/include/acparser.h>
48 #include <contrib/dev/acpica/include/acnamesp.h>
49 
50 
51 #define _COMPONENT          ACPI_COMPILER
52         ACPI_MODULE_NAME    ("asllisting")
53 
54 
55 /* Local prototypes */
56 
57 static void
58 LsGenerateListing (
59     UINT32                  FileId);
60 
61 static ACPI_STATUS
62 LsAmlListingWalk (
63     ACPI_PARSE_OBJECT       *Op,
64     UINT32                  Level,
65     void                    *Context);
66 
67 static ACPI_STATUS
68 LsTreeWriteWalk (
69     ACPI_PARSE_OBJECT       *Op,
70     UINT32                  Level,
71     void                    *Context);
72 
73 static void
74 LsWriteNodeToListing (
75     ACPI_PARSE_OBJECT       *Op,
76     UINT32                  FileId);
77 
78 static void
79 LsFinishSourceListing (
80     UINT32                  FileId);
81 
82 
83 /*******************************************************************************
84  *
85  * FUNCTION:    LsDoListings
86  *
87  * PARAMETERS:  None. Examines the various output file global flags.
88  *
89  * RETURN:      None
90  *
91  * DESCRIPTION: Generate all requested listing files.
92  *
93  ******************************************************************************/
94 
95 void
96 LsDoListings (
97     void)
98 {
99 
100     if (Gbl_C_OutputFlag)
101     {
102         LsGenerateListing (ASL_FILE_C_SOURCE_OUTPUT);
103     }
104 
105     if (Gbl_ListingFlag)
106     {
107         LsGenerateListing (ASL_FILE_LISTING_OUTPUT);
108     }
109 
110     if (Gbl_AsmOutputFlag)
111     {
112         LsGenerateListing (ASL_FILE_ASM_SOURCE_OUTPUT);
113     }
114 
115     if (Gbl_C_IncludeOutputFlag)
116     {
117         LsGenerateListing (ASL_FILE_C_INCLUDE_OUTPUT);
118     }
119 
120     if (Gbl_AsmIncludeOutputFlag)
121     {
122         LsGenerateListing (ASL_FILE_ASM_INCLUDE_OUTPUT);
123     }
124 
125     if (Gbl_C_OffsetTableFlag)
126     {
127         LsGenerateListing (ASL_FILE_C_OFFSET_OUTPUT);
128     }
129 }
130 
131 
132 /*******************************************************************************
133  *
134  * FUNCTION:    LsGenerateListing
135  *
136  * PARAMETERS:  FileId      - ID of listing file
137  *
138  * RETURN:      None
139  *
140  * DESCRIPTION: Generate a listing file. This can be one of the several types
141  *              of "listings" supported.
142  *
143  ******************************************************************************/
144 
145 static void
146 LsGenerateListing (
147     UINT32                  FileId)
148 {
149 
150     /* Start at the beginning of both the source and AML files */
151 
152     FlSeekFile (ASL_FILE_SOURCE_OUTPUT, 0);
153     FlSeekFile (ASL_FILE_AML_OUTPUT, 0);
154     Gbl_SourceLine = 0;
155     Gbl_CurrentHexColumn = 0;
156     LsPushNode (Gbl_Files[ASL_FILE_INPUT].Filename);
157 
158     if (FileId == ASL_FILE_C_OFFSET_OUTPUT)
159     {
160         Gbl_CurrentAmlOffset = 0;
161 
162         /* Offset table file has a special header and footer */
163 
164         LsDoOffsetTableHeader (FileId);
165 
166         TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD, LsAmlOffsetWalk,
167             NULL, (void *) ACPI_TO_POINTER (FileId));
168         LsDoOffsetTableFooter (FileId);
169         return;
170     }
171 
172     /* Process all parse nodes */
173 
174     TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD, LsAmlListingWalk,
175         NULL, (void *) ACPI_TO_POINTER (FileId));
176 
177     /* Final processing */
178 
179     LsFinishSourceListing (FileId);
180 }
181 
182 
183 /*******************************************************************************
184  *
185  * FUNCTION:    LsAmlListingWalk
186  *
187  * PARAMETERS:  ASL_WALK_CALLBACK
188  *
189  * RETURN:      Status
190  *
191  * DESCRIPTION: Process one node during a listing file generation.
192  *
193  ******************************************************************************/
194 
195 static ACPI_STATUS
196 LsAmlListingWalk (
197     ACPI_PARSE_OBJECT       *Op,
198     UINT32                  Level,
199     void                    *Context)
200 {
201     UINT8                   FileByte;
202     UINT32                  i;
203     UINT32                  FileId = (UINT32) ACPI_TO_INTEGER (Context);
204 
205 
206     LsWriteNodeToListing (Op, FileId);
207 
208     if (Op->Asl.CompileFlags & NODE_IS_RESOURCE_DATA)
209     {
210         /* Buffer is a resource template, don't dump the data all at once */
211 
212         return (AE_OK);
213     }
214 
215     /* Write the hex bytes to the listing file(s) (if requested) */
216 
217     for (i = 0; i < Op->Asl.FinalAmlLength; i++)
218     {
219         if (ACPI_FAILURE (FlReadFile (ASL_FILE_AML_OUTPUT, &FileByte, 1)))
220         {
221             FlFileError (ASL_FILE_AML_OUTPUT, ASL_MSG_READ);
222             AslAbort ();
223         }
224         LsWriteListingHexBytes (&FileByte, 1, FileId);
225     }
226 
227     return (AE_OK);
228 }
229 
230 
231 /*******************************************************************************
232  *
233  * FUNCTION:    LsDumpParseTree, LsTreeWriteWalk
234  *
235  * PARAMETERS:  None
236  *
237  * RETURN:      None
238  *
239  * DESCRIPTION: Dump entire parse tree, for compiler debug only
240  *
241  ******************************************************************************/
242 
243 void
244 LsDumpParseTree (
245     void)
246 {
247 
248     if (!Gbl_DebugFlag)
249     {
250         return;
251     }
252 
253     DbgPrint (ASL_TREE_OUTPUT, "\nOriginal parse tree from parser:\n\n");
254     TrWalkParseTree (RootNode, ASL_WALK_VISIT_DOWNWARD,
255         LsTreeWriteWalk, NULL, NULL);
256 }
257 
258 
259 static ACPI_STATUS
260 LsTreeWriteWalk (
261     ACPI_PARSE_OBJECT       *Op,
262     UINT32                  Level,
263     void                    *Context)
264 {
265 
266     /* Debug output */
267 
268     DbgPrint (ASL_TREE_OUTPUT,
269         "%5.5d [%2d]", Op->Asl.LogicalLineNumber, Level);
270 
271     UtPrintFormattedName (Op->Asl.ParseOpcode, Level);
272 
273     DbgPrint (ASL_TREE_OUTPUT, "    (%.4X) Flags %8.8X",
274         Op->Asl.ParseOpcode, Op->Asl.CompileFlags);
275     TrPrintNodeCompileFlags (Op->Asl.CompileFlags);
276     DbgPrint (ASL_TREE_OUTPUT, "\n");
277     return (AE_OK);
278 }
279 
280 
281 /*******************************************************************************
282  *
283  * FUNCTION:    LsWriteNodeToListing
284  *
285  * PARAMETERS:  Op              - Parse node to write to the listing file.
286  *              FileId          - ID of current listing file
287  *
288  * RETURN:      None.
289  *
290  * DESCRIPTION: Write "a node" to the listing file. This means to
291  *              1) Write out all of the source text associated with the node
292  *              2) Write out all of the AML bytes associated with the node
293  *              3) Write any compiler exceptions associated with the node
294  *
295  ******************************************************************************/
296 
297 static void
298 LsWriteNodeToListing (
299     ACPI_PARSE_OBJECT       *Op,
300     UINT32                  FileId)
301 {
302     const ACPI_OPCODE_INFO  *OpInfo;
303     UINT32                  OpClass;
304     char                    *Pathname;
305     UINT32                  Length;
306     UINT32                  i;
307 
308 
309     OpInfo  = AcpiPsGetOpcodeInfo (Op->Asl.AmlOpcode);
310     OpClass = OpInfo->Class;
311 
312     /* TBD: clean this up with a single flag that says:
313      * I start a named output block
314      */
315     if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
316     {
317         switch (Op->Asl.ParseOpcode)
318         {
319         case PARSEOP_DEFINITIONBLOCK:
320         case PARSEOP_METHODCALL:
321         case PARSEOP_INCLUDE:
322         case PARSEOP_INCLUDE_END:
323         case PARSEOP_DEFAULT_ARG:
324 
325             break;
326 
327         default:
328 
329             switch (OpClass)
330             {
331             case AML_CLASS_NAMED_OBJECT:
332 
333                 switch (Op->Asl.AmlOpcode)
334                 {
335                 case AML_SCOPE_OP:
336                 case AML_ALIAS_OP:
337 
338                     break;
339 
340                 default:
341 
342                     if (Op->Asl.ExternalName)
343                     {
344                         LsFlushListingBuffer (FileId);
345                         FlPrintFile (FileId, "    };\n");
346                     }
347                     break;
348                 }
349                 break;
350 
351             default:
352 
353                 /* Don't care about other objects */
354 
355                 break;
356             }
357             break;
358         }
359     }
360 
361     /* These cases do not have a corresponding AML opcode */
362 
363     switch (Op->Asl.ParseOpcode)
364     {
365     case PARSEOP_DEFINITIONBLOCK:
366 
367         LsWriteSourceLines (Op->Asl.EndLine, Op->Asl.EndLogicalLine, FileId);
368 
369         /* Use the table Signature and TableId to build a unique name */
370 
371         if (FileId == ASL_FILE_ASM_SOURCE_OUTPUT)
372         {
373             FlPrintFile (FileId,
374                 "%s_%s_Header \\\n",
375                 Gbl_TableSignature, Gbl_TableId);
376         }
377         if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
378         {
379             FlPrintFile (FileId,
380                 "    unsigned char    %s_%s_Header [] =\n    {\n",
381                 Gbl_TableSignature, Gbl_TableId);
382         }
383         if (FileId == ASL_FILE_ASM_INCLUDE_OUTPUT)
384         {
385             FlPrintFile (FileId,
386                 "extrn %s_%s_Header : byte\n",
387                 Gbl_TableSignature, Gbl_TableId);
388         }
389         if (FileId == ASL_FILE_C_INCLUDE_OUTPUT)
390         {
391             FlPrintFile (FileId,
392                 "extern unsigned char    %s_%s_Header [];\n",
393                 Gbl_TableSignature, Gbl_TableId);
394         }
395         return;
396 
397 
398     case PARSEOP_METHODCALL:
399 
400         LsWriteSourceLines (Op->Asl.LineNumber, Op->Asl.LogicalLineNumber,
401             FileId);
402         return;
403 
404 
405     case PARSEOP_INCLUDE:
406 
407         /* Flush everything up to and including the include source line */
408 
409         LsWriteSourceLines (Op->Asl.LineNumber, Op->Asl.LogicalLineNumber,
410             FileId);
411 
412         /* Create a new listing node and push it */
413 
414         LsPushNode (Op->Asl.Child->Asl.Value.String);
415         return;
416 
417 
418     case PARSEOP_INCLUDE_END:
419 
420         /* Flush out the rest of the include file */
421 
422         LsWriteSourceLines (Op->Asl.LineNumber, Op->Asl.LogicalLineNumber,
423             FileId);
424 
425         /* Pop off this listing node and go back to the parent file */
426 
427         (void) LsPopNode ();
428         return;
429 
430 
431     case PARSEOP_DEFAULT_ARG:
432 
433         if (Op->Asl.CompileFlags & NODE_IS_RESOURCE_DESC)
434         {
435             LsWriteSourceLines (Op->Asl.LineNumber, Op->Asl.EndLogicalLine,
436                 FileId);
437         }
438         return;
439 
440 
441     default:
442 
443         /* All other opcodes have an AML opcode */
444 
445         break;
446     }
447 
448     /*
449      * Otherwise, we look at the AML opcode because we can
450      * switch on the opcode type, getting an entire class
451      * at once
452      */
453     switch (OpClass)
454     {
455     case AML_CLASS_ARGUMENT:       /* argument type only */
456     case AML_CLASS_INTERNAL:
457 
458         break;
459 
460     case AML_CLASS_NAMED_OBJECT:
461 
462         switch (Op->Asl.AmlOpcode)
463         {
464         case AML_FIELD_OP:
465         case AML_INDEX_FIELD_OP:
466         case AML_BANK_FIELD_OP:
467             /*
468              * For fields, we want to dump all the AML after the
469              * entire definition
470              */
471             LsWriteSourceLines (Op->Asl.EndLine, Op->Asl.EndLogicalLine,
472                 FileId);
473             break;
474 
475         case AML_NAME_OP:
476 
477             if (Op->Asl.CompileFlags & NODE_IS_RESOURCE_DESC)
478             {
479                 LsWriteSourceLines (Op->Asl.LineNumber, Op->Asl.LogicalLineNumber,
480                     FileId);
481             }
482             else
483             {
484                 /*
485                  * For fields, we want to dump all the AML after the
486                  * entire definition
487                  */
488                 LsWriteSourceLines (Op->Asl.EndLine, Op->Asl.EndLogicalLine,
489                     FileId);
490             }
491             break;
492 
493         default:
494 
495             LsWriteSourceLines (Op->Asl.LineNumber, Op->Asl.LogicalLineNumber,
496                 FileId);
497             break;
498         }
499 
500         switch (Op->Asl.AmlOpcode)
501         {
502         case AML_SCOPE_OP:
503         case AML_ALIAS_OP:
504 
505             /* These opcodes do not declare a new object, ignore them */
506 
507             break;
508 
509         default:
510 
511             /* All other named object opcodes come here */
512 
513             switch (FileId)
514             {
515             case ASL_FILE_ASM_SOURCE_OUTPUT:
516             case ASL_FILE_C_SOURCE_OUTPUT:
517             case ASL_FILE_ASM_INCLUDE_OUTPUT:
518             case ASL_FILE_C_INCLUDE_OUTPUT:
519                 /*
520                  * For named objects, we will create a valid symbol so that the
521                  * AML code can be referenced from C or ASM
522                  */
523                 if (Op->Asl.ExternalName)
524                 {
525                     /* Get the full pathname associated with this node */
526 
527                     Pathname = AcpiNsGetExternalPathname (Op->Asl.Node);
528                     Length = strlen (Pathname);
529                     if (Length >= 4)
530                     {
531                         /* Convert all dots in the path to underscores */
532 
533                         for (i = 0; i < Length; i++)
534                         {
535                             if (Pathname[i] == '.')
536                             {
537                                 Pathname[i] = '_';
538                             }
539                         }
540 
541                         /* Create the appropriate symbol in the output file */
542 
543                         if (FileId == ASL_FILE_ASM_SOURCE_OUTPUT)
544                         {
545                             FlPrintFile (FileId,
546                                 "%s_%s_%s  \\\n",
547                                 Gbl_TableSignature, Gbl_TableId, &Pathname[1]);
548                         }
549                         if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
550                         {
551                             FlPrintFile (FileId,
552                                 "    unsigned char    %s_%s_%s [] =\n    {\n",
553                                 Gbl_TableSignature, Gbl_TableId, &Pathname[1]);
554                         }
555                         if (FileId == ASL_FILE_ASM_INCLUDE_OUTPUT)
556                         {
557                             FlPrintFile (FileId,
558                                 "extrn %s_%s_%s : byte\n",
559                                 Gbl_TableSignature, Gbl_TableId, &Pathname[1]);
560                         }
561                         if (FileId == ASL_FILE_C_INCLUDE_OUTPUT)
562                         {
563                             FlPrintFile (FileId,
564                                 "extern unsigned char    %s_%s_%s [];\n",
565                                 Gbl_TableSignature, Gbl_TableId, &Pathname[1]);
566                         }
567                     }
568                     ACPI_FREE (Pathname);
569                 }
570                 break;
571 
572             default:
573 
574                 /* Nothing to do for listing file */
575 
576                 break;
577             }
578         }
579         break;
580 
581     case AML_CLASS_EXECUTE:
582     case AML_CLASS_CREATE:
583     default:
584 
585         if ((Op->Asl.ParseOpcode == PARSEOP_BUFFER) &&
586             (Op->Asl.CompileFlags & NODE_IS_RESOURCE_DESC))
587         {
588             return;
589         }
590 
591         LsWriteSourceLines (Op->Asl.LineNumber, Op->Asl.LogicalLineNumber,
592             FileId);
593         break;
594 
595     case AML_CLASS_UNKNOWN:
596 
597         break;
598     }
599 }
600 
601 
602 /*******************************************************************************
603  *
604  * FUNCTION:    LsFinishSourceListing
605  *
606  * PARAMETERS:  FileId          - ID of current listing file.
607  *
608  * RETURN:      None
609  *
610  * DESCRIPTION: Cleanup routine for the listing file. Flush the hex AML
611  *              listing buffer, and flush out any remaining lines in the
612  *              source input file.
613  *
614  ******************************************************************************/
615 
616 static void
617 LsFinishSourceListing (
618     UINT32                  FileId)
619 {
620 
621     if ((FileId == ASL_FILE_ASM_INCLUDE_OUTPUT) ||
622         (FileId == ASL_FILE_C_INCLUDE_OUTPUT))
623     {
624         return;
625     }
626 
627     LsFlushListingBuffer (FileId);
628     Gbl_CurrentAmlOffset = 0;
629 
630     /* Flush any remaining text in the source file */
631 
632     if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
633     {
634         FlPrintFile (FileId, "    /*\n");
635     }
636 
637     while (LsWriteOneSourceLine (FileId))
638     { ; }
639 
640     if (FileId == ASL_FILE_C_SOURCE_OUTPUT)
641     {
642         FlPrintFile (FileId, "\n     */\n    };\n");
643     }
644 
645     FlPrintFile (FileId, "\n");
646 
647     if (FileId == ASL_FILE_LISTING_OUTPUT)
648     {
649         /* Print a summary of the compile exceptions */
650 
651         FlPrintFile (FileId, "\n\nSummary of errors and warnings\n\n");
652         AePrintErrorLog (FileId);
653         FlPrintFile (FileId, "\n");
654         UtDisplaySummary (FileId);
655         FlPrintFile (FileId, "\n");
656     }
657 }
658