xref: /freebsd/sys/contrib/dev/acpica/compiler/aslstartup.c (revision f126890ac5386406dadf7c4cfa9566cbb56537c5)
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 - 2023, 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     /*
297      * We have some sort of binary table; reopen in binary mode, then
298      * check for valid ACPI table
299      */
300     fclose (Info->Handle);
301     Info->Handle = fopen (Info->Filename, "rb");
302     if (!Info->Handle)
303     {
304         fprintf (stderr, "Could not open input file %s\n",
305             Info->Filename);
306     }
307 
308     Status = AcValidateTableHeader (Info->Handle, 0);
309     if (ACPI_SUCCESS (Status))
310     {
311         fprintf (stderr,
312             "Binary file appears to be a valid ACPI table, disassembling\n");
313 
314         Type = ASL_INPUT_TYPE_BINARY_ACPI_TABLE;
315         goto Cleanup;
316     }
317     else
318     {
319         fprintf (stderr,
320             "Binary file does not contain a valid standard ACPI table\n");
321     }
322 
323     Type = ASL_INPUT_TYPE_BINARY;
324 
325 
326 Cleanup:
327 
328     /* Must seek back to the start of the file */
329 
330     fseek (Info->Handle, 0, SEEK_SET);
331     return (Type);
332 }
333 
334 
335 /*******************************************************************************
336  *
337  * FUNCTION:    AslDoDisassembly
338  *
339  * PARAMETERS:  None
340  *
341  * RETURN:      Status
342  *
343  * DESCRIPTION: Initiate AML file disassembly. Uses ACPICA subsystem to build
344  *              namespace. This function assumes that the ACPI subsystem has
345  *              been initialized. The caller of the initialization will also
346  *              terminate the ACPI subsystem.
347  *
348  ******************************************************************************/
349 
350 ACPI_STATUS
351 AslDoDisassembly (
352     void)
353 {
354     ACPI_STATUS             Status;
355 
356 
357     Status = AcpiAllocateRootTable (4);
358     if (ACPI_FAILURE (Status))
359     {
360         AcpiOsPrintf ("Could not initialize ACPI Table Manager, %s\n",
361             AcpiFormatException (Status));
362         return (Status);
363     }
364 
365     /* This is where the disassembly happens */
366 
367     AcpiGbl_DmOpt_Disasm = TRUE;
368     Status = AdAmlDisassemble (AslToFile,
369         AslGbl_Files[ASL_FILE_INPUT].Filename, AslGbl_OutputFilenamePrefix,
370         &AslGbl_Files[ASL_FILE_INPUT].Filename);
371     if (ACPI_FAILURE (Status))
372     {
373         return (Status);
374     }
375 
376     /* Check if any control methods were unresolved */
377 
378     AcpiDmUnresolvedWarning (0);
379 
380     /* Clear Error log */
381 
382     AeClearErrorLog ();
383 
384     /*
385      * AslGbl_Files[ASL_FILE_INPUT].Filename was replaced with the
386      * .DSL disassembly file, which can now be compiled if requested
387      */
388     if (AslGbl_DoCompile)
389     {
390         AcpiOsPrintf ("\nCompiling \"%s\"\n",
391             AslGbl_Files[ASL_FILE_INPUT].Filename);
392         return (AE_CTRL_CONTINUE);
393     }
394 
395     return (AE_OK);
396 }
397 
398 
399 /*******************************************************************************
400  *
401  * FUNCTION:    AslDoOneFile
402  *
403  * PARAMETERS:  Filename        - Name of the file
404  *
405  * RETURN:      Status
406  *
407  * DESCRIPTION: Process a single file - either disassemble, compile, or both
408  *
409  ******************************************************************************/
410 
411 ACPI_STATUS
412 AslDoOneFile (
413     char                    *Filename)
414 {
415     ACPI_STATUS             Status;
416     UINT8                   Event;
417     ASL_GLOBAL_FILE_NODE    *FileNode;
418 
419 
420     /* Re-initialize "some" compiler/preprocessor globals */
421 
422     AslInitializeGlobals ();
423     PrInitializeGlobals ();
424 
425     /*
426      * Extract the directory path. This path is used for possible include
427      * files and the optional AML filename embedded in the input file
428      * DefinitionBlock declaration.
429      */
430     Status = FlSplitInputPathname (Filename, &AslGbl_DirectoryPath, NULL);
431     if (ACPI_FAILURE (Status))
432     {
433         return (Status);
434     }
435 
436     /*
437      * There was an input file detected at this point. Each input ASL file is
438      * associated with one global file node consisting of the input file and
439      * all output files associated with it. This is useful when compiling
440      * multiple files in one command.
441      */
442     Status = FlInitOneFile(Filename);
443     if (ACPI_FAILURE (Status))
444     {
445         return (AE_ERROR);
446     }
447 
448     /* Take a copy of the input filename, convert any backslashes */
449 
450     AslGbl_Files[ASL_FILE_INPUT].Filename =
451         UtLocalCacheCalloc (strlen (Filename) + 1);
452 
453     strcpy (AslGbl_Files[ASL_FILE_INPUT].Filename, Filename);
454     UtConvertBackslashes (AslGbl_Files[ASL_FILE_INPUT].Filename);
455 
456     /*
457      * Open the input file. Here, this could be an ASCII source file,
458      * either an ASL file or a Data Table file, or a binary AML file
459      * or binary data table file (For disassembly).
460      */
461     Status = FlOpenInputFile (AslGbl_Files[ASL_FILE_INPUT].Filename);
462     if (ACPI_FAILURE (Status))
463     {
464         AePrintErrorLog (ASL_FILE_STDERR);
465         return (AE_ERROR);
466     }
467 
468     FileNode = FlGetCurrentFileNode();
469 
470     /* Determine input file type */
471 
472     AslGbl_FileType = AslDetectSourceFileType (&AslGbl_Files[ASL_FILE_INPUT]);
473     FileNode->FileType = AslGbl_FileType;
474     if (AslGbl_FileType == ASL_INPUT_TYPE_BINARY)
475     {
476         return (AE_ERROR);
477     }
478 
479     FileNode->OriginalInputFileSize = FlGetFileSize (ASL_FILE_INPUT);
480 
481     /*
482      * If -p not specified, we will use the input filename as the
483      * output filename prefix
484      */
485     if (AslGbl_UseDefaultAmlFilename)
486     {
487         AslGbl_OutputFilenamePrefix = AslGbl_Files[ASL_FILE_INPUT].Filename;
488     }
489 
490     /*
491      * Open the output file. Note: by default, the name of this file comes from
492      * the table descriptor within the input file.
493      */
494     if (AslGbl_FileType == ASL_INPUT_TYPE_ASCII_ASL)
495     {
496         Event = UtBeginEvent ("Open AML output file");
497         Status = FlOpenAmlOutputFile (AslGbl_OutputFilenamePrefix);
498         UtEndEvent (Event);
499         if (ACPI_FAILURE (Status))
500         {
501             AePrintErrorLog (ASL_FILE_STDERR);
502             return (AE_ERROR);
503         }
504     }
505 
506     /* Open the optional output files (listings, etc.) */
507 
508     Status = FlOpenMiscOutputFiles (AslGbl_OutputFilenamePrefix);
509     if (ACPI_FAILURE (Status))
510     {
511         AePrintErrorLog (ASL_FILE_STDERR);
512         return (AE_ERROR);
513     }
514 
515     /*
516      * Compilation of ASL source versus DataTable source uses different
517      * compiler subsystems
518      */
519     switch (AslGbl_FileType)
520     {
521     /*
522      * Data Table Compilation
523      */
524     case ASL_INPUT_TYPE_ASCII_DATA:
525 
526         Status = DtDoCompile ();
527         if (ACPI_FAILURE (Status))
528         {
529             return (Status);
530         }
531 
532         if (AslGbl_Signature)
533         {
534             AslGbl_Signature = NULL;
535         }
536 
537         /* Check if any errors occurred during compile */
538 
539         Status = AslCheckForErrorExit ();
540         if (ACPI_FAILURE (Status))
541         {
542             return (Status);
543         }
544 
545         /* Cleanup (for next source file) and exit */
546 
547         AeClearErrorLog ();
548         PrTerminatePreprocessor ();
549         return (Status);
550 
551     /*
552      * ASL Compilation
553      */
554     case ASL_INPUT_TYPE_ASCII_ASL:
555 
556         Status = CmDoCompile ();
557         if (ACPI_FAILURE (Status))
558         {
559             PrTerminatePreprocessor ();
560             return (Status);
561         }
562 
563         /*
564          * At this point, we know how many lines are in the input file. Save it
565          * to display for post-compilation summary.
566          */
567         FileNode->TotalLineCount = AslGbl_CurrentLineNumber;
568         return (AE_OK);
569 
570     /*
571      * Binary ACPI table was auto-detected, disassemble it
572      */
573     case ASL_INPUT_TYPE_BINARY_ACPI_TABLE:
574 
575         /* We have what appears to be an ACPI table, disassemble it */
576 
577         FlCloseFile (ASL_FILE_INPUT);
578         AslGbl_DoCompile = FALSE;
579         AcpiGbl_DisasmFlag = TRUE;
580         Status = AslDoDisassembly ();
581         return (Status);
582 
583     /* Unknown binary table */
584 
585     case ASL_INPUT_TYPE_BINARY:
586 
587         AePrintErrorLog (ASL_FILE_STDERR);
588         return (AE_ERROR);
589 
590     default:
591 
592         printf ("Unknown file type %X\n", AslGbl_FileType);
593         return (AE_ERROR);
594     }
595 }
596 
597 
598 /*******************************************************************************
599  *
600  * FUNCTION:    AslCheckForErrorExit
601  *
602  * PARAMETERS:  None. Examines global exception count array
603  *
604  * RETURN:      Status
605  *
606  * DESCRIPTION: Determine if compiler should abort with error status
607  *
608  ******************************************************************************/
609 
610 ACPI_STATUS
611 AslCheckForErrorExit (
612     void)
613 {
614 
615     /*
616      * Return non-zero exit code if there have been errors, unless the
617      * global ignore error flag has been set
618      */
619     if (!AslGbl_IgnoreErrors)
620     {
621         if (AslGbl_ExceptionCount[ASL_ERROR] > 0)
622         {
623             return (AE_ERROR);
624         }
625 
626         /* Optionally treat warnings as errors */
627 
628         if (AslGbl_WarningsAsErrors)
629         {
630             if ((AslGbl_ExceptionCount[ASL_WARNING] > 0)  ||
631                 (AslGbl_ExceptionCount[ASL_WARNING2] > 0) ||
632                 (AslGbl_ExceptionCount[ASL_WARNING3] > 0))
633             {
634                 AslError (ASL_ERROR, ASL_MSG_WARNING_AS_ERROR, NULL,
635                     "(reporting warnings as errors)");
636                 return (AE_ERROR);
637             }
638         }
639     }
640 
641     return (AE_OK);
642 }
643