1 /******************************************************************************
2  *
3  * Module Name: acpixtract - Top level functions to convert ascii/hex
4  *                           ACPI tables to the original binary tables
5  *
6  *****************************************************************************/
7 
8 /******************************************************************************
9  *
10  * 1. Copyright Notice
11  *
12  * Some or all of this work - Copyright (c) 1999 - 2024, Intel Corp.
13  * All rights reserved.
14  *
15  * 2. License
16  *
17  * 2.1. This is your license from Intel Corp. under its intellectual property
18  * rights. You may have additional license terms from the party that provided
19  * you this software, covering your right to use that party's intellectual
20  * property rights.
21  *
22  * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a
23  * copy of the source code appearing in this file ("Covered Code") an
24  * irrevocable, perpetual, worldwide license under Intel's copyrights in the
25  * base code distributed originally by Intel ("Original Intel Code") to copy,
26  * make derivatives, distribute, use and display any portion of the Covered
27  * Code in any form, with the right to sublicense such rights; and
28  *
29  * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent
30  * license (with the right to sublicense), under only those claims of Intel
31  * patents that are infringed by the Original Intel Code, to make, use, sell,
32  * offer to sell, and import the Covered Code and derivative works thereof
33  * solely to the minimum extent necessary to exercise the above copyright
34  * license, and in no event shall the patent license extend to any additions
35  * to or modifications of the Original Intel Code. No other license or right
36  * is granted directly or by implication, estoppel or otherwise;
37  *
38  * The above copyright and patent license is granted only if the following
39  * conditions are met:
40  *
41  * 3. Conditions
42  *
43  * 3.1. Redistribution of Source with Rights to Further Distribute Source.
44  * Redistribution of source code of any substantial portion of the Covered
45  * Code or modification with rights to further distribute source must include
46  * the above Copyright Notice, the above License, this list of Conditions,
47  * and the following Disclaimer and Export Compliance provision. In addition,
48  * Licensee must cause all Covered Code to which Licensee contributes to
49  * contain a file documenting the changes Licensee made to create that Covered
50  * Code and the date of any change. Licensee must include in that file the
51  * documentation of any changes made by any predecessor Licensee. Licensee
52  * must include a prominent statement that the modification is derived,
53  * directly or indirectly, from Original Intel Code.
54  *
55  * 3.2. Redistribution of Source with no Rights to Further Distribute Source.
56  * Redistribution of source code of any substantial portion of the Covered
57  * Code or modification without rights to further distribute source must
58  * include the following Disclaimer and Export Compliance provision in the
59  * documentation and/or other materials provided with distribution. In
60  * addition, Licensee may not authorize further sublicense of source of any
61  * portion of the Covered Code, and must include terms to the effect that the
62  * license from Licensee to its licensee is limited to the intellectual
63  * property embodied in the software Licensee provides to its licensee, and
64  * not to intellectual property embodied in modifications its licensee may
65  * make.
66  *
67  * 3.3. Redistribution of Executable. Redistribution in executable form of any
68  * substantial portion of the Covered Code or modification must reproduce the
69  * above Copyright Notice, and the following Disclaimer and Export Compliance
70  * provision in the documentation and/or other materials provided with the
71  * distribution.
72  *
73  * 3.4. Intel retains all right, title, and interest in and to the Original
74  * Intel Code.
75  *
76  * 3.5. Neither the name Intel nor any other trademark owned or controlled by
77  * Intel shall be used in advertising or otherwise to promote the sale, use or
78  * other dealings in products derived from or relating to the Covered Code
79  * without prior written authorization from Intel.
80  *
81  * 4. Disclaimer and Export Compliance
82  *
83  * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED
84  * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE
85  * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE,
86  * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY
87  * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY
88  * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A
89  * PARTICULAR PURPOSE.
90  *
91  * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES
92  * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR
93  * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT,
94  * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY
95  * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL
96  * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS
97  * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY
98  * LIMITED REMEDY.
99  *
100  * 4.3. Licensee shall not export, either directly or indirectly, any of this
101  * software or system incorporating such software without first obtaining any
102  * required license or other approval from the U. S. Department of Commerce or
103  * any other agency or department of the United States Government. In the
104  * event Licensee exports any such software from the United States or
105  * re-exports any such software from a foreign destination, Licensee shall
106  * ensure that the distribution and export/re-export of the software is in
107  * compliance with all laws, regulations, orders, or other restrictions of the
108  * U.S. Export Administration Regulations. Licensee agrees that neither it nor
109  * any of its subsidiaries will export/re-export any technical data, process,
110  * software, or service, directly or indirectly, to any country for which the
111  * United States government or any agency thereof requires an export license,
112  * other governmental approval, or letter of assurance, without first obtaining
113  * such license, approval or letter.
114  *
115  *****************************************************************************
116  *
117  * Alternatively, you may choose to be licensed under the terms of the
118  * following license:
119  *
120  * Redistribution and use in source and binary forms, with or without
121  * modification, are permitted provided that the following conditions
122  * are met:
123  * 1. Redistributions of source code must retain the above copyright
124  *    notice, this list of conditions, and the following disclaimer,
125  *    without modification.
126  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
127  *    substantially similar to the "NO WARRANTY" disclaimer below
128  *    ("Disclaimer") and any redistribution must be conditioned upon
129  *    including a substantially similar Disclaimer requirement for further
130  *    binary redistribution.
131  * 3. Neither the names of the above-listed copyright holders nor the names
132  *    of any contributors may be used to endorse or promote products derived
133  *    from this software without specific prior written permission.
134  *
135  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
136  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
137  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
138  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
139  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
140  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
141  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
142  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
143  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
144  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
145  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
146  *
147  * Alternatively, you may choose to be licensed under the terms of the
148  * GNU General Public License ("GPL") version 2 as published by the Free
149  * Software Foundation.
150  *
151  *****************************************************************************/
152 
153 #include "acpixtract.h"
154 
155 
156 /******************************************************************************
157  *
158  * FUNCTION:    AxExtractTables
159  *
160  * PARAMETERS:  InputPathname       - Filename for input acpidump file
161  *              Signature           - Requested ACPI signature to extract.
162  *                                    NULL means extract ALL tables.
163  *              MinimumInstances    - Min instances that are acceptable
164  *
165  * RETURN:      Status
166  *
167  * DESCRIPTION: Convert text ACPI tables to binary
168  *
169  ******************************************************************************/
170 
171 int
AxExtractTables(char * InputPathname,char * Signature,unsigned int MinimumInstances)172 AxExtractTables (
173     char                    *InputPathname,
174     char                    *Signature,
175     unsigned int            MinimumInstances)
176 {
177     FILE                    *InputFile;
178     FILE                    *OutputFile = NULL;
179     int                     BytesConverted;
180     int                     ThisTableBytesWritten = 0;
181     unsigned int            FoundTable = 0;
182     unsigned int            Instances = 0;
183     unsigned int            ThisInstance;
184     char                    ThisSignature[5];
185     char                    UpperSignature[5];
186     int                     Status = 0;
187     unsigned int            State = AX_STATE_FIND_HEADER;
188 
189     memset (UpperSignature, 0, sizeof(UpperSignature));
190 
191     /* Open input in text mode, output is in binary mode */
192 
193     InputFile = fopen (InputPathname, "r");
194     if (!InputFile)
195     {
196         printf ("Could not open input file %s\n", InputPathname);
197         return (-1);
198     }
199 
200     if (!AxIsFileAscii (InputFile))
201     {
202         fclose (InputFile);
203         return (-1);
204     }
205 
206     if (Signature)
207     {
208         strncpy (UpperSignature, Signature, ACPI_NAMESEG_SIZE);
209         AcpiUtStrupr (UpperSignature);
210 
211         /* Are there enough instances of the table to continue? */
212 
213         AxNormalizeSignature (UpperSignature);
214         Instances = AxCountTableInstances (InputPathname, UpperSignature);
215 
216         if (Instances < MinimumInstances ||
217             (Instances == 0 && MinimumInstances == AX_OPTIONAL_TABLES))
218         {
219             printf ("Table [%s] was not found in %s\n",
220                 UpperSignature, InputPathname);
221             fclose (InputFile);
222             return (0);             /* Don't abort */
223         }
224 
225         if (Instances == 0)
226         {
227             fclose (InputFile);
228             return (-1);
229         }
230     }
231 
232     /* Convert all instances of the table to binary */
233 
234     while (fgets (Gbl_LineBuffer, AX_LINE_BUFFER_SIZE, InputFile))
235     {
236         /*
237          * Check up front if we have a header line of the form:
238          * DSDT @ 0xdfffd0c0 (10999 bytes)
239          */
240         if (AX_IS_TABLE_BLOCK_HEADER &&
241             (State == AX_STATE_EXTRACT_DATA))
242         {
243             /* End of previous table, start of new table */
244 
245             if (ThisTableBytesWritten)
246             {
247                 printf (AX_TABLE_INFO_FORMAT, ThisSignature, ThisTableBytesWritten,
248                     ThisTableBytesWritten, Gbl_OutputFilename);
249             }
250             else
251             {
252                 Gbl_TableCount--;
253             }
254 
255             State = AX_STATE_FIND_HEADER;
256         }
257 
258         switch (State)
259         {
260         case AX_STATE_FIND_HEADER:
261 
262             if (!AxIsDataBlockHeader ())
263             {
264                 continue;
265             }
266 
267             ACPI_COPY_NAMESEG (ThisSignature, Gbl_LineBuffer);
268             if (Signature)
269             {
270                 /* Ignore signatures that don't match */
271 
272                 if (!ACPI_COMPARE_NAMESEG (ThisSignature, UpperSignature))
273                 {
274                     continue;
275                 }
276             }
277 
278             /*
279              * Get the instance number for this signature. Only the
280              * SSDT and PSDT tables can have multiple instances.
281              */
282             ThisInstance = AxGetNextInstance (InputPathname, ThisSignature);
283 
284             /* Build an output filename and create/open the output file */
285 
286             if (ThisInstance > 0)
287             {
288                 /* Add instance number to the output filename */
289 
290                 sprintf (Gbl_OutputFilename, "%4.4s%u.dat",
291                     ThisSignature, ThisInstance);
292             }
293             else
294             {
295                 sprintf (Gbl_OutputFilename, "%4.4s.dat",
296                     ThisSignature);
297             }
298 
299             AcpiUtStrlwr (Gbl_OutputFilename);
300             OutputFile = fopen (Gbl_OutputFilename, "w+b");
301             if (!OutputFile)
302             {
303                 printf ("Could not open output file %s\n",
304                     Gbl_OutputFilename);
305                 fclose (InputFile);
306                 return (-1);
307             }
308 
309             /*
310              * Toss this block header of the form "<sig> @ <addr>" line
311              * and move on to the actual data block
312              */
313             Gbl_TableCount++;
314             FoundTable = 1;
315             ThisTableBytesWritten = 0;
316             State = AX_STATE_EXTRACT_DATA;
317             continue;
318 
319         case AX_STATE_EXTRACT_DATA:
320 
321             if (!AxIsHexDataLine ())
322             {
323                 continue;   /* Toss any lines that are not raw hex data */
324             }
325 
326             /* Empty line or non-data line terminates the data block */
327 
328             BytesConverted = AxConvertAndWrite (OutputFile, ThisSignature);
329             switch (BytesConverted)
330             {
331             case 0:
332 
333                 State = AX_STATE_FIND_HEADER; /* No more data block lines */
334                 continue;
335 
336             case -1:
337 
338                 Status = -1;
339                 goto CleanupAndExit; /* There was a write error */
340 
341             default: /* Normal case, get next line */
342 
343                 ThisTableBytesWritten += BytesConverted;
344                 continue;
345             }
346 
347         default:
348 
349             Status = -1;
350             goto CleanupAndExit;
351         }
352     }
353 
354     if (!FoundTable)
355     {
356         printf ("No ACPI tables were found in %s\n", InputPathname);
357     }
358 
359 
360 CleanupAndExit:
361 
362     if (State == AX_STATE_EXTRACT_DATA)
363     {
364         /* Received an input file EOF while extracting data */
365 
366         printf (AX_TABLE_INFO_FORMAT, ThisSignature, ThisTableBytesWritten,
367             ThisTableBytesWritten, Gbl_OutputFilename);
368     }
369 
370     if (OutputFile)
371     {
372         fclose (OutputFile);
373     }
374 
375     fclose (InputFile);
376     return (Status);
377 }
378 
379 
380 /******************************************************************************
381  *
382  * FUNCTION:    AxExtractToMultiAmlFile
383  *
384  * PARAMETERS:  InputPathname       - Filename for input acpidump file
385  *
386  * RETURN:      Status
387  *
388  * DESCRIPTION: Convert all DSDT/SSDT tables to binary and append them all
389  *              into a single output file. Used to simplify the loading of
390  *              multiple/many SSDTs into a utility like acpiexec -- instead
391  *              of creating many separate output files.
392  *
393  ******************************************************************************/
394 
395 int
AxExtractToMultiAmlFile(char * InputPathname)396 AxExtractToMultiAmlFile (
397     char                    *InputPathname)
398 {
399     FILE                    *InputFile;
400     FILE                    *OutputFile;
401     int                     Status = 0;
402     int                     TotalBytesWritten = 0;
403     int                     ThisTableBytesWritten = 0;
404     unsigned int            BytesConverted;
405     char                    ThisSignature[4];
406     unsigned int            State = AX_STATE_FIND_HEADER;
407 
408 
409     strcpy (Gbl_OutputFilename, AX_MULTI_TABLE_FILENAME);
410 
411     /* Open the input file in text mode */
412 
413     InputFile = fopen (InputPathname, "r");
414     if (!InputFile)
415     {
416         printf ("Could not open input file %s\n", InputPathname);
417         return (-1);
418     }
419 
420     if (!AxIsFileAscii (InputFile))
421     {
422         fclose (InputFile);
423         return (-1);
424     }
425 
426     /* Open the output file in binary mode */
427 
428     OutputFile = fopen (Gbl_OutputFilename, "w+b");
429     if (!OutputFile)
430     {
431         printf ("Could not open output file %s\n", Gbl_OutputFilename);
432         fclose (InputFile);
433         return (-1);
434     }
435 
436     /* Convert the DSDT and all SSDTs to binary */
437 
438     while (fgets (Gbl_LineBuffer, AX_LINE_BUFFER_SIZE, InputFile))
439     {
440         /*
441          * Check up front if we have a header line of the form:
442          * DSDT @ 0xdfffd0c0 (10999 bytes)
443          */
444         if (AX_IS_TABLE_BLOCK_HEADER &&
445             (State == AX_STATE_EXTRACT_DATA))
446         {
447             /* End of previous table, start of new table */
448 
449             if (ThisTableBytesWritten)
450             {
451                 printf (AX_TABLE_INFO_FORMAT, ThisSignature, ThisTableBytesWritten,
452                     ThisTableBytesWritten, Gbl_OutputFilename);
453             }
454             else
455             {
456                 Gbl_TableCount--;
457             }
458 
459             State = AX_STATE_FIND_HEADER;
460         }
461 
462         switch (State)
463         {
464         case AX_STATE_FIND_HEADER:
465 
466             if (!AxIsDataBlockHeader ())
467             {
468                 continue;
469             }
470 
471             ACPI_COPY_NAMESEG (ThisSignature, Gbl_LineBuffer);
472 
473             /* Only want DSDT and SSDTs */
474 
475             if (!ACPI_COMPARE_NAMESEG (ThisSignature, ACPI_SIG_DSDT) &&
476                 !ACPI_COMPARE_NAMESEG (ThisSignature, ACPI_SIG_SSDT))
477             {
478                 continue;
479             }
480 
481             /*
482              * Toss this block header of the form "<sig> @ <addr>" line
483              * and move on to the actual data block
484              */
485             Gbl_TableCount++;
486             ThisTableBytesWritten = 0;
487             State = AX_STATE_EXTRACT_DATA;
488             continue;
489 
490         case AX_STATE_EXTRACT_DATA:
491 
492             if (!AxIsHexDataLine ())
493             {
494                 continue;   /* Toss any lines that are not raw hex data */
495             }
496 
497             /* Empty line or non-data line terminates the data block */
498 
499             BytesConverted = AxConvertAndWrite (OutputFile, ThisSignature);
500             switch (BytesConverted)
501             {
502             case 0:
503 
504                 State = AX_STATE_FIND_HEADER; /* No more data block lines */
505                 continue;
506 
507             case -1:
508 
509                 Status = -1;
510                 goto CleanupAndExit; /* There was a write error */
511 
512             default: /* Normal case, get next line */
513 
514                 ThisTableBytesWritten += BytesConverted;
515                 TotalBytesWritten += BytesConverted;
516                 continue;
517             }
518 
519         default:
520 
521             Status = -1;
522             goto CleanupAndExit;
523         }
524     }
525 
526 
527 CleanupAndExit:
528 
529     if (State == AX_STATE_EXTRACT_DATA)
530     {
531         /* Received an input file EOF or error while writing data */
532 
533         printf (AX_TABLE_INFO_FORMAT, ThisSignature, ThisTableBytesWritten,
534             ThisTableBytesWritten, Gbl_OutputFilename);
535     }
536 
537     printf ("\n%u binary ACPI tables extracted and written to %s (%u bytes)\n",
538         Gbl_TableCount, Gbl_OutputFilename, TotalBytesWritten);
539 
540     fclose (InputFile);
541     fclose (OutputFile);
542     return (Status);
543 }
544 
545 
546 /******************************************************************************
547  *
548  * FUNCTION:    AxListAllTables
549  *
550  * PARAMETERS:  InputPathname       - Filename for acpidump file
551  *
552  * RETURN:      Status
553  *
554  * DESCRIPTION: Display info for all ACPI tables found in input. Does not
555  *              perform an actual extraction of the tables.
556  *
557  ******************************************************************************/
558 
559 int
AxListAllTables(char * InputPathname)560 AxListAllTables (
561     char                    *InputPathname)
562 {
563     FILE                    *InputFile;
564     unsigned char           Header[48];
565     UINT32                  ByteCount = 0;
566     INT32                   ThisLineByteCount;
567     unsigned int            State = AX_STATE_FIND_HEADER;
568 
569 
570     /* Open input in text mode, output is in binary mode */
571 
572     InputFile = fopen (InputPathname, "r");
573     if (!InputFile)
574     {
575         printf ("Could not open input file %s\n", InputPathname);
576         return (-1);
577     }
578 
579     if (!AxIsFileAscii (InputFile))
580     {
581         fclose (InputFile);
582         return (-1);
583     }
584 
585     /* Info header */
586 
587     printf ("\n Signature  Length    Version Oem       Oem         "
588         "Oem         Compiler Compiler\n");
589     printf (  "                              Id        TableId     "
590         "RevisionId  Name     Revision\n");
591     printf (  " _________  __________  ____  ________  __________  "
592         "__________  _______  __________\n\n");
593 
594     /* Dump the headers for all tables found in the input file */
595 
596     while (fgets (Gbl_LineBuffer, AX_LINE_BUFFER_SIZE, InputFile))
597     {
598         /* Ignore empty lines */
599 
600         if (AxIsEmptyLine (Gbl_LineBuffer))
601         {
602             continue;
603         }
604 
605         /*
606          * Check up front if we have a header line of the form:
607          * DSDT @ 0xdfffd0c0 (10999 bytes)
608          */
609         if (AX_IS_TABLE_BLOCK_HEADER &&
610             (State == AX_STATE_EXTRACT_DATA))
611         {
612             State = AX_STATE_FIND_HEADER;
613         }
614 
615         switch (State)
616         {
617         case AX_STATE_FIND_HEADER:
618 
619             ByteCount = 0;
620             if (!AxIsDataBlockHeader ())
621             {
622                 continue;
623             }
624 
625             State = AX_STATE_EXTRACT_DATA;
626             continue;
627 
628         case AX_STATE_EXTRACT_DATA:
629 
630             /* Ignore any lines that don't look like a data line */
631 
632             if (!AxIsHexDataLine ())
633             {
634                 continue;   /* Toss any lines that are not raw hex data */
635             }
636 
637             /* Convert header to hex and display it */
638 
639             ThisLineByteCount = AxConvertToBinary (Gbl_LineBuffer,
640                 &Header[ByteCount]);
641             if (ThisLineByteCount == EOF)
642             {
643                 fclose (InputFile);
644                 return (-1);
645             }
646 
647             ByteCount += ThisLineByteCount;
648             if (ByteCount >= sizeof (ACPI_TABLE_HEADER))
649             {
650                 AxDumpTableHeader (Header);
651                 State = AX_STATE_FIND_HEADER;
652             }
653             continue;
654 
655         default:
656             break;
657         }
658     }
659 
660     printf ("\nFound %u ACPI tables in %s\n", Gbl_TableCount, InputPathname);
661     fclose (InputFile);
662     return (0);
663 }
664