xref: /freebsd/sys/contrib/dev/acpica/compiler/aslstartup.c (revision 6be3386466ab79a84b48429ae66244f21526d3df)
1 /******************************************************************************
2  *
3  * Module Name: aslstartup - Compiler startup routines, called from main
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2021, 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 <contrib/dev/acpica/include/actables.h>
154 #include <contrib/dev/acpica/include/acdisasm.h>
155 #include <contrib/dev/acpica/include/acapps.h>
156 #include <contrib/dev/acpica/include/acconvert.h>
157 
158 #define _COMPONENT          ACPI_COMPILER
159         ACPI_MODULE_NAME    ("aslstartup")
160 
161 
162 /* Local prototypes */
163 
164 static UINT8
165 AslDetectSourceFileType (
166     ASL_FILE_INFO           *Info);
167 
168 
169 /* Globals */
170 
171 static BOOLEAN          AslToFile = TRUE;
172 
173 
174 /*******************************************************************************
175  *
176  * FUNCTION:    AslInitializeGlobals
177  *
178  * PARAMETERS:  None
179  *
180  * RETURN:      None
181  *
182  * DESCRIPTION: Re-initialize globals needed to restart the compiler. This
183  *              allows multiple files to be disassembled and/or compiled.
184  *
185  ******************************************************************************/
186 
187 void
188 AslInitializeGlobals (
189     void)
190 {
191     UINT32                  i;
192 
193 
194     /* Init compiler globals */
195 
196     AslGbl_SyntaxError = 0;
197     AslGbl_CurrentColumn = 0;
198     AslGbl_CurrentLineNumber = 1;
199     AslGbl_LogicalLineNumber = 1;
200     AslGbl_CurrentLineOffset = 0;
201     AslGbl_InputFieldCount = 0;
202     AslGbl_InputByteCount = 0;
203     AslGbl_NsLookupCount = 0;
204     AslGbl_LineBufPtr = AslGbl_CurrentLineBuffer;
205 
206     AslGbl_ErrorLog = NULL;
207     AslGbl_NextError = NULL;
208     AslGbl_Signature = NULL;
209     AslGbl_FileType = 0;
210 
211     AslGbl_TotalExecutableOpcodes = 0;
212     AslGbl_TotalNamedObjects = 0;
213     AslGbl_TotalKeywords = 0;
214     AslGbl_TotalParseNodes = 0;
215     AslGbl_TotalMethods = 0;
216     AslGbl_TotalAllocations = 0;
217     AslGbl_TotalAllocated = 0;
218     AslGbl_TotalFolds = 0;
219 
220     AslGbl_NextEvent = 0;
221     for (i = 0; i < ASL_NUM_REPORT_LEVELS; i++)
222     {
223         AslGbl_ExceptionCount[i] = 0;
224     }
225 
226     if (AcpiGbl_CaptureComments)
227     {
228         AslGbl_CommentState.SpacesBefore          = 0;
229         AslGbl_CommentState.CommentType           = 1;
230         AslGbl_CommentState.LatestParseOp         = NULL;
231         AslGbl_CommentState.ParsingParenBraceNode = NULL;
232         AslGbl_CommentState.CaptureComments       = TRUE;
233     }
234 }
235 
236 
237 /*******************************************************************************
238  *
239  * FUNCTION:    AslDetectSourceFileType
240  *
241  * PARAMETERS:  Info            - Name/Handle for the file (must be open)
242  *
243  * RETURN:      File Type
244  *
245  * DESCRIPTION: Determine the type of the input file. Either binary (contains
246  *              non-ASCII characters), ASL file, or an ACPI Data Table file.
247  *
248  ******************************************************************************/
249 
250 static UINT8
251 AslDetectSourceFileType (
252     ASL_FILE_INFO           *Info)
253 {
254     char                    *FileChar;
255     UINT8                   Type = ASL_INPUT_TYPE_ASCII_DATA; /* default */
256     ACPI_STATUS             Status;
257 
258 
259     /* Check for 100% ASCII source file (comments are ignored) */
260 
261     Status = FlIsFileAsciiSource (Info->Filename, FALSE);
262     if (ACPI_SUCCESS (Status))
263     {
264         /*
265          * File contains ASCII source code. Determine if this is an ASL
266          * file or an ACPI data table file.
267          */
268         while (fgets (AslGbl_CurrentLineBuffer, AslGbl_LineBufferSize, Info->Handle))
269         {
270             /* Uppercase the buffer for caseless compare */
271 
272             FileChar = AslGbl_CurrentLineBuffer;
273             while (*FileChar)
274             {
275                 *FileChar = (char) toupper ((int) *FileChar);
276                 FileChar++;
277             }
278 
279             /* Presence of "DefinitionBlock" indicates actual ASL code */
280 
281             if (strstr (AslGbl_CurrentLineBuffer, "DEFINITIONBLOCK"))
282             {
283                 /* Appears to be an ASL file */
284 
285                 Type = ASL_INPUT_TYPE_ASCII_ASL;
286                 goto Cleanup;
287             }
288         }
289 
290         /* Appears to be an ASCII data table source file */
291 
292         Type = ASL_INPUT_TYPE_ASCII_DATA;
293         goto Cleanup;
294     }
295 
296     /* We have some sort of binary table, check for valid ACPI table */
297 
298     fseek (Info->Handle, 0, SEEK_SET);
299 
300     Status = AcValidateTableHeader (Info->Handle, 0);
301     if (ACPI_SUCCESS (Status))
302     {
303         fprintf (stderr,
304             "Binary file appears to be a valid ACPI table, disassembling\n");
305 
306         Type = ASL_INPUT_TYPE_BINARY_ACPI_TABLE;
307         goto Cleanup;
308     }
309     else
310     {
311         fprintf (stderr,
312             "Binary file does not contain a valid ACPI table\n");
313     }
314 
315     Type = ASL_INPUT_TYPE_BINARY;
316 
317 
318 Cleanup:
319 
320     /* Must seek back to the start of the file */
321 
322     fseek (Info->Handle, 0, SEEK_SET);
323     return (Type);
324 }
325 
326 
327 /*******************************************************************************
328  *
329  * FUNCTION:    AslDoDisassembly
330  *
331  * PARAMETERS:  None
332  *
333  * RETURN:      Status
334  *
335  * DESCRIPTION: Initiate AML file disassembly. Uses ACPICA subsystem to build
336  *              namespace. This function assumes that the ACPI subsystem has
337  *              been initialized. The caller of the initialization will also
338  *              terminate the ACPI subsystem.
339  *
340  ******************************************************************************/
341 
342 ACPI_STATUS
343 AslDoDisassembly (
344     void)
345 {
346     ACPI_STATUS             Status;
347 
348 
349     Status = AcpiAllocateRootTable (4);
350     if (ACPI_FAILURE (Status))
351     {
352         AcpiOsPrintf ("Could not initialize ACPI Table Manager, %s\n",
353             AcpiFormatException (Status));
354         return (Status);
355     }
356 
357     /* This is where the disassembly happens */
358 
359     AcpiGbl_DmOpt_Disasm = TRUE;
360     Status = AdAmlDisassemble (AslToFile,
361         AslGbl_Files[ASL_FILE_INPUT].Filename, AslGbl_OutputFilenamePrefix,
362         &AslGbl_Files[ASL_FILE_INPUT].Filename);
363     if (ACPI_FAILURE (Status))
364     {
365         return (Status);
366     }
367 
368     /* Check if any control methods were unresolved */
369 
370     AcpiDmUnresolvedWarning (0);
371 
372     /* Clear Error log */
373 
374     AeClearErrorLog ();
375 
376     /*
377      * AslGbl_Files[ASL_FILE_INPUT].Filename was replaced with the
378      * .DSL disassembly file, which can now be compiled if requested
379      */
380     if (AslGbl_DoCompile)
381     {
382         AcpiOsPrintf ("\nCompiling \"%s\"\n",
383             AslGbl_Files[ASL_FILE_INPUT].Filename);
384         return (AE_CTRL_CONTINUE);
385     }
386 
387     return (AE_OK);
388 }
389 
390 
391 /*******************************************************************************
392  *
393  * FUNCTION:    AslDoOneFile
394  *
395  * PARAMETERS:  Filename        - Name of the file
396  *
397  * RETURN:      Status
398  *
399  * DESCRIPTION: Process a single file - either disassemble, compile, or both
400  *
401  ******************************************************************************/
402 
403 ACPI_STATUS
404 AslDoOneFile (
405     char                    *Filename)
406 {
407     ACPI_STATUS             Status;
408     UINT8                   Event;
409     ASL_GLOBAL_FILE_NODE    *FileNode;
410 
411 
412     /* Re-initialize "some" compiler/preprocessor globals */
413 
414     AslInitializeGlobals ();
415     PrInitializeGlobals ();
416 
417     /*
418      * Extract the directory path. This path is used for possible include
419      * files and the optional AML filename embedded in the input file
420      * DefinitionBlock declaration.
421      */
422     Status = FlSplitInputPathname (Filename, &AslGbl_DirectoryPath, NULL);
423     if (ACPI_FAILURE (Status))
424     {
425         return (Status);
426     }
427 
428     /*
429      * There was an input file detected at this point. Each input ASL file is
430      * associated with one global file node consisting of the input file and
431      * all output files associated with it. This is useful when compiling
432      * multiple files in one command.
433      */
434     Status = FlInitOneFile(Filename);
435     if (ACPI_FAILURE (Status))
436     {
437         return (AE_ERROR);
438     }
439 
440     /* Take a copy of the input filename, convert any backslashes */
441 
442     AslGbl_Files[ASL_FILE_INPUT].Filename =
443         UtLocalCacheCalloc (strlen (Filename) + 1);
444 
445     strcpy (AslGbl_Files[ASL_FILE_INPUT].Filename, Filename);
446     UtConvertBackslashes (AslGbl_Files[ASL_FILE_INPUT].Filename);
447 
448     /*
449      * Open the input file. Here, this should be an ASCII source file,
450      * either an ASL file or a Data Table file
451      */
452     Status = FlOpenInputFile (AslGbl_Files[ASL_FILE_INPUT].Filename);
453     if (ACPI_FAILURE (Status))
454     {
455         AePrintErrorLog (ASL_FILE_STDERR);
456         return (AE_ERROR);
457     }
458 
459     FileNode = FlGetCurrentFileNode();
460 
461     FileNode->OriginalInputFileSize = FlGetFileSize (ASL_FILE_INPUT);
462 
463     /* Determine input file type */
464 
465     AslGbl_FileType = AslDetectSourceFileType (&AslGbl_Files[ASL_FILE_INPUT]);
466     FileNode->FileType = AslGbl_FileType;
467     if (AslGbl_FileType == ASL_INPUT_TYPE_BINARY)
468     {
469         return (AE_ERROR);
470     }
471 
472     /*
473      * If -p not specified, we will use the input filename as the
474      * output filename prefix
475      */
476     if (AslGbl_UseDefaultAmlFilename)
477     {
478         AslGbl_OutputFilenamePrefix = AslGbl_Files[ASL_FILE_INPUT].Filename;
479     }
480 
481     /*
482      * Open the output file. Note: by default, the name of this file comes from
483      * the table descriptor within the input file.
484      */
485     if (AslGbl_FileType == ASL_INPUT_TYPE_ASCII_ASL)
486     {
487         Event = UtBeginEvent ("Open AML output file");
488         Status = FlOpenAmlOutputFile (AslGbl_OutputFilenamePrefix);
489         UtEndEvent (Event);
490         if (ACPI_FAILURE (Status))
491         {
492             AePrintErrorLog (ASL_FILE_STDERR);
493             return (AE_ERROR);
494         }
495     }
496 
497     /* Open the optional output files (listings, etc.) */
498 
499     Status = FlOpenMiscOutputFiles (AslGbl_OutputFilenamePrefix);
500     if (ACPI_FAILURE (Status))
501     {
502         AePrintErrorLog (ASL_FILE_STDERR);
503         return (AE_ERROR);
504     }
505 
506     /*
507      * Compilation of ASL source versus DataTable source uses different
508      * compiler subsystems
509      */
510     switch (AslGbl_FileType)
511     {
512     /*
513      * Data Table Compilation
514      */
515     case ASL_INPUT_TYPE_ASCII_DATA:
516 
517         Status = DtDoCompile ();
518         if (ACPI_FAILURE (Status))
519         {
520             return (Status);
521         }
522 
523         if (AslGbl_Signature)
524         {
525             AslGbl_Signature = NULL;
526         }
527 
528         /* Check if any errors occurred during compile */
529 
530         Status = AslCheckForErrorExit ();
531         if (ACPI_FAILURE (Status))
532         {
533             return (Status);
534         }
535 
536         /* Cleanup (for next source file) and exit */
537 
538         AeClearErrorLog ();
539         PrTerminatePreprocessor ();
540         return (Status);
541 
542     /*
543      * ASL Compilation
544      */
545     case ASL_INPUT_TYPE_ASCII_ASL:
546 
547         Status = CmDoCompile ();
548         if (ACPI_FAILURE (Status))
549         {
550             PrTerminatePreprocessor ();
551             return (Status);
552         }
553 
554         /*
555          * At this point, we know how many lines are in the input file. Save it
556          * to display for post-compilation summary.
557          */
558         FileNode->TotalLineCount = AslGbl_CurrentLineNumber;
559         return (AE_OK);
560 
561     /*
562      * Binary ACPI table was auto-detected, disassemble it
563      */
564     case ASL_INPUT_TYPE_BINARY_ACPI_TABLE:
565 
566         /* We have what appears to be an ACPI table, disassemble it */
567 
568         FlCloseFile (ASL_FILE_INPUT);
569         AslGbl_DoCompile = FALSE;
570         AcpiGbl_DisasmFlag = TRUE;
571         Status = AslDoDisassembly ();
572         return (Status);
573 
574     /* Unknown binary table */
575 
576     case ASL_INPUT_TYPE_BINARY:
577 
578         AePrintErrorLog (ASL_FILE_STDERR);
579         return (AE_ERROR);
580 
581     default:
582 
583         printf ("Unknown file type %X\n", AslGbl_FileType);
584         return (AE_ERROR);
585     }
586 }
587 
588 
589 /*******************************************************************************
590  *
591  * FUNCTION:    AslCheckForErrorExit
592  *
593  * PARAMETERS:  None. Examines global exception count array
594  *
595  * RETURN:      Status
596  *
597  * DESCRIPTION: Determine if compiler should abort with error status
598  *
599  ******************************************************************************/
600 
601 ACPI_STATUS
602 AslCheckForErrorExit (
603     void)
604 {
605 
606     /*
607      * Return non-zero exit code if there have been errors, unless the
608      * global ignore error flag has been set
609      */
610     if (!AslGbl_IgnoreErrors)
611     {
612         if (AslGbl_ExceptionCount[ASL_ERROR] > 0)
613         {
614             return (AE_ERROR);
615         }
616 
617         /* Optionally treat warnings as errors */
618 
619         if (AslGbl_WarningsAsErrors)
620         {
621             if ((AslGbl_ExceptionCount[ASL_WARNING] > 0)  ||
622                 (AslGbl_ExceptionCount[ASL_WARNING2] > 0) ||
623                 (AslGbl_ExceptionCount[ASL_WARNING3] > 0))
624             {
625                 AslError (ASL_ERROR, ASL_MSG_WARNING_AS_ERROR, NULL,
626                     "(reporting warnings as errors)");
627                 return (AE_ERROR);
628             }
629         }
630     }
631 
632     return (AE_OK);
633 }
634