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 "aslcompiler.h"
153 #include "actables.h"
154 #include "acdisasm.h"
155 #include "acapps.h"
156 #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
AslInitializeGlobals(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
AslDetectSourceFileType(ASL_FILE_INFO * Info)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
AslDoDisassembly(void)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
AslDoOneFile(char * Filename)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
AslCheckForErrorExit(void)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