xref: /illumos-gate/usr/src/cmd/acpi/iasl/aslfileio.c (revision 35786f6866ae52207d0f1a25fe7ca5f652f32ce0)
1 /******************************************************************************
2  *
3  * Module Name: aslfileio - File I/O support
4  *
5  *****************************************************************************/
6 
7 /******************************************************************************
8  *
9  * 1. Copyright Notice
10  *
11  * Some or all of this work - Copyright (c) 1999 - 2018, 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 "acapps.h"
154 
155 #define _COMPONENT          ACPI_COMPILER
156         ACPI_MODULE_NAME    ("aslfileio")
157 
158 
159 /*******************************************************************************
160  *
161  * FUNCTION:    FlFileError
162  *
163  * PARAMETERS:  FileId              - Index into file info array
164  *              ErrorId             - Index into error message array
165  *
166  * RETURN:      None
167  *
168  * DESCRIPTION: Decode errno to an error message and add the entire error
169  *              to the error log.
170  *
171  ******************************************************************************/
172 
173 void
FlFileError(UINT32 FileId,UINT8 ErrorId)174 FlFileError (
175     UINT32                  FileId,
176     UINT8                   ErrorId)
177 {
178 
179     sprintf (MsgBuffer, "\"%s\" (%s) - %s", Gbl_Files[FileId].Filename,
180         Gbl_Files[FileId].Description, strerror (errno));
181 
182     AslCommonError (ASL_ERROR, ErrorId, 0, 0, 0, 0, NULL, MsgBuffer);
183 }
184 
185 
186 /*******************************************************************************
187  *
188  * FUNCTION:    FlOpenFile
189  *
190  * PARAMETERS:  FileId              - Index into file info array
191  *              Filename            - file pathname to open
192  *              Mode                - Open mode for fopen
193  *
194  * RETURN:      None
195  *
196  * DESCRIPTION: Open a file.
197  *              NOTE: Aborts compiler on any error.
198  *
199  ******************************************************************************/
200 
201 void
FlOpenFile(UINT32 FileId,char * Filename,char * Mode)202 FlOpenFile (
203     UINT32                  FileId,
204     char                    *Filename,
205     char                    *Mode)
206 {
207     FILE                    *File;
208 
209 
210     Gbl_Files[FileId].Filename = Filename;
211     Gbl_Files[FileId].Handle = NULL;
212 
213     File = fopen (Filename, Mode);
214     if (!File)
215     {
216         FlFileError (FileId, ASL_MSG_OPEN);
217         AslAbort ();
218     }
219 
220     Gbl_Files[FileId].Handle = File;
221 }
222 
223 
224 /*******************************************************************************
225  *
226  * FUNCTION:    FlGetFileSize
227  *
228  * PARAMETERS:  FileId              - Index into file info array
229  *
230  * RETURN:      File Size
231  *
232  * DESCRIPTION: Get current file size. Uses common seek-to-EOF function.
233  *              File must be open. Aborts compiler on error.
234  *
235  ******************************************************************************/
236 
237 UINT32
FlGetFileSize(UINT32 FileId)238 FlGetFileSize (
239     UINT32                  FileId)
240 {
241     UINT32                  FileSize;
242 
243 
244     FileSize = CmGetFileSize (Gbl_Files[FileId].Handle);
245     if (FileSize == ACPI_UINT32_MAX)
246     {
247         AslAbort();
248     }
249 
250     return (FileSize);
251 }
252 
253 
254 /*******************************************************************************
255  *
256  * FUNCTION:    FlReadFile
257  *
258  * PARAMETERS:  FileId              - Index into file info array
259  *              Buffer              - Where to place the data
260  *              Length              - Amount to read
261  *
262  * RETURN:      Status. AE_ERROR indicates EOF.
263  *
264  * DESCRIPTION: Read data from an open file.
265  *              NOTE: Aborts compiler on any error.
266  *
267  ******************************************************************************/
268 
269 ACPI_STATUS
FlReadFile(UINT32 FileId,void * Buffer,UINT32 Length)270 FlReadFile (
271     UINT32                  FileId,
272     void                    *Buffer,
273     UINT32                  Length)
274 {
275     UINT32                  Actual;
276 
277 
278     /* Read and check for error */
279 
280     Actual = fread (Buffer, 1, Length, Gbl_Files[FileId].Handle);
281     if (Actual < Length)
282     {
283         if (feof (Gbl_Files[FileId].Handle))
284         {
285             /* End-of-file, just return error */
286 
287             return (AE_ERROR);
288         }
289 
290         FlFileError (FileId, ASL_MSG_READ);
291         AslAbort ();
292     }
293 
294     return (AE_OK);
295 }
296 
297 
298 /*******************************************************************************
299  *
300  * FUNCTION:    FlWriteFile
301  *
302  * PARAMETERS:  FileId              - Index into file info array
303  *              Buffer              - Data to write
304  *              Length              - Amount of data to write
305  *
306  * RETURN:      None
307  *
308  * DESCRIPTION: Write data to an open file.
309  *              NOTE: Aborts compiler on any error.
310  *
311  ******************************************************************************/
312 
313 void
FlWriteFile(UINT32 FileId,void * Buffer,UINT32 Length)314 FlWriteFile (
315     UINT32                  FileId,
316     void                    *Buffer,
317     UINT32                  Length)
318 {
319     UINT32                  Actual;
320 
321 
322     /* Write and check for error */
323 
324     Actual = fwrite ((char *) Buffer, 1, Length, Gbl_Files[FileId].Handle);
325     if (Actual != Length)
326     {
327         FlFileError (FileId, ASL_MSG_WRITE);
328         AslAbort ();
329     }
330 
331     if ((FileId == ASL_FILE_PREPROCESSOR) && Gbl_PreprocessorOutputFlag)
332     {
333         /* Duplicate the output to the user preprocessor (.i) file */
334 
335         Actual = fwrite ((char *) Buffer, 1, Length,
336             Gbl_Files[ASL_FILE_PREPROCESSOR_USER].Handle);
337         if (Actual != Length)
338         {
339             FlFileError (FileId, ASL_MSG_WRITE);
340             AslAbort ();
341         }
342     }
343 }
344 
345 
346 /*******************************************************************************
347  *
348  * FUNCTION:    FlPrintFile
349  *
350  * PARAMETERS:  FileId              - Index into file info array
351  *              Format              - Printf format string
352  *              ...                 - Printf arguments
353  *
354  * RETURN:      None
355  *
356  * DESCRIPTION: Formatted write to an open file.
357  *              NOTE: Aborts compiler on any error.
358  *
359  ******************************************************************************/
360 
361 void
FlPrintFile(UINT32 FileId,char * Format,...)362 FlPrintFile (
363     UINT32                  FileId,
364     char                    *Format,
365     ...)
366 {
367     INT32                   Actual;
368     va_list                 Args;
369 
370 
371     va_start (Args, Format);
372     Actual = vfprintf (Gbl_Files[FileId].Handle, Format, Args);
373     va_end (Args);
374 
375     if (Actual == -1)
376     {
377         FlFileError (FileId, ASL_MSG_WRITE);
378         AslAbort ();
379     }
380 
381     if ((FileId == ASL_FILE_PREPROCESSOR) &&
382         Gbl_PreprocessorOutputFlag)
383     {
384         /*
385          * Duplicate the output to the user preprocessor (.i) file,
386          * except: no #line directives.
387          */
388         if (!strncmp (Format, "#line", 5))
389         {
390             return;
391         }
392 
393         va_start (Args, Format);
394         Actual = vfprintf (Gbl_Files[ASL_FILE_PREPROCESSOR_USER].Handle,
395             Format, Args);
396         va_end (Args);
397 
398         if (Actual == -1)
399         {
400             FlFileError (FileId, ASL_MSG_WRITE);
401             AslAbort ();
402         }
403     }
404 }
405 
406 
407 /*******************************************************************************
408  *
409  * FUNCTION:    FlSeekFile
410  *
411  * PARAMETERS:  FileId              - Index into file info array
412  *              Offset              - Absolute byte offset in file
413  *
414  * RETURN:      None
415  *
416  * DESCRIPTION: Seek to absolute offset.
417  *              NOTE: Aborts compiler on any error.
418  *
419  ******************************************************************************/
420 
421 void
FlSeekFile(UINT32 FileId,long Offset)422 FlSeekFile (
423     UINT32                  FileId,
424     long                    Offset)
425 {
426     int                     Error;
427 
428 
429     Error = fseek (Gbl_Files[FileId].Handle, Offset, SEEK_SET);
430     if (Error)
431     {
432         FlFileError (FileId, ASL_MSG_SEEK);
433         AslAbort ();
434     }
435 }
436 
437 
438 /*******************************************************************************
439  *
440  * FUNCTION:    FlCloseFile
441  *
442  * PARAMETERS:  FileId              - Index into file info array
443  *
444  * RETURN:      None
445  *
446  * DESCRIPTION: Close an open file. Aborts compiler on error
447  *
448  ******************************************************************************/
449 
450 void
FlCloseFile(UINT32 FileId)451 FlCloseFile (
452     UINT32                  FileId)
453 {
454     int                     Error;
455 
456 
457     if (!Gbl_Files[FileId].Handle)
458     {
459         return;
460     }
461 
462     Error = fclose (Gbl_Files[FileId].Handle);
463     if (Error)
464     {
465         FlFileError (FileId, ASL_MSG_CLOSE);
466         AslAbort ();
467     }
468 
469     /* Do not clear/free the filename string */
470 
471     Gbl_Files[FileId].Handle = NULL;
472     return;
473 }
474 
475 
476 /*******************************************************************************
477  *
478  * FUNCTION:    FlDeleteFile
479  *
480  * PARAMETERS:  FileId              - Index into file info array
481  *
482  * RETURN:      None
483  *
484  * DESCRIPTION: Delete a file.
485  *
486  ******************************************************************************/
487 
488 void
FlDeleteFile(UINT32 FileId)489 FlDeleteFile (
490     UINT32                  FileId)
491 {
492     ASL_FILE_INFO           *Info = &Gbl_Files[FileId];
493 
494 
495     if (!Info->Filename)
496     {
497         return;
498     }
499 
500     if (remove (Info->Filename))
501     {
502         printf ("%s (%s file) ",
503             Info->Filename, Info->Description);
504         perror ("Could not delete");
505     }
506 
507     Info->Filename = NULL;
508     return;
509 }
510