aslfileio.c revision 1.2.10.3 1 1.2.10.2 tls /******************************************************************************
2 1.2.10.2 tls *
3 1.2.10.2 tls * Module Name: aslfileio - File I/O support
4 1.2.10.2 tls *
5 1.2.10.2 tls *****************************************************************************/
6 1.2.10.2 tls
7 1.2.10.2 tls /*
8 1.2.10.3 jdolecek * Copyright (C) 2000 - 2017, Intel Corp.
9 1.2.10.2 tls * All rights reserved.
10 1.2.10.2 tls *
11 1.2.10.2 tls * Redistribution and use in source and binary forms, with or without
12 1.2.10.2 tls * modification, are permitted provided that the following conditions
13 1.2.10.2 tls * are met:
14 1.2.10.2 tls * 1. Redistributions of source code must retain the above copyright
15 1.2.10.2 tls * notice, this list of conditions, and the following disclaimer,
16 1.2.10.2 tls * without modification.
17 1.2.10.2 tls * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18 1.2.10.2 tls * substantially similar to the "NO WARRANTY" disclaimer below
19 1.2.10.2 tls * ("Disclaimer") and any redistribution must be conditioned upon
20 1.2.10.2 tls * including a substantially similar Disclaimer requirement for further
21 1.2.10.2 tls * binary redistribution.
22 1.2.10.2 tls * 3. Neither the names of the above-listed copyright holders nor the names
23 1.2.10.2 tls * of any contributors may be used to endorse or promote products derived
24 1.2.10.2 tls * from this software without specific prior written permission.
25 1.2.10.2 tls *
26 1.2.10.2 tls * Alternatively, this software may be distributed under the terms of the
27 1.2.10.2 tls * GNU General Public License ("GPL") version 2 as published by the Free
28 1.2.10.2 tls * Software Foundation.
29 1.2.10.2 tls *
30 1.2.10.2 tls * NO WARRANTY
31 1.2.10.2 tls * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32 1.2.10.2 tls * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33 1.2.10.2 tls * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34 1.2.10.2 tls * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35 1.2.10.2 tls * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36 1.2.10.2 tls * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37 1.2.10.2 tls * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38 1.2.10.2 tls * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39 1.2.10.2 tls * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40 1.2.10.2 tls * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41 1.2.10.2 tls * POSSIBILITY OF SUCH DAMAGES.
42 1.2.10.2 tls */
43 1.2.10.2 tls
44 1.2.10.2 tls #include "aslcompiler.h"
45 1.2.10.3 jdolecek #include "acapps.h"
46 1.2.10.2 tls
47 1.2.10.2 tls #define _COMPONENT ACPI_COMPILER
48 1.2.10.2 tls ACPI_MODULE_NAME ("aslfileio")
49 1.2.10.2 tls
50 1.2.10.2 tls
51 1.2.10.2 tls /*******************************************************************************
52 1.2.10.2 tls *
53 1.2.10.2 tls * FUNCTION: FlFileError
54 1.2.10.2 tls *
55 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array
56 1.2.10.2 tls * ErrorId - Index into error message array
57 1.2.10.2 tls *
58 1.2.10.2 tls * RETURN: None
59 1.2.10.2 tls *
60 1.2.10.2 tls * DESCRIPTION: Decode errno to an error message and add the entire error
61 1.2.10.2 tls * to the error log.
62 1.2.10.2 tls *
63 1.2.10.2 tls ******************************************************************************/
64 1.2.10.2 tls
65 1.2.10.2 tls void
66 1.2.10.2 tls FlFileError (
67 1.2.10.2 tls UINT32 FileId,
68 1.2.10.2 tls UINT8 ErrorId)
69 1.2.10.2 tls {
70 1.2.10.2 tls
71 1.2.10.3 jdolecek snprintf (MsgBuffer, sizeof(MsgBuffer), "\"%s\" (%s) - %s", Gbl_Files[FileId].Filename,
72 1.2.10.3 jdolecek Gbl_Files[FileId].Description, strerror (errno));
73 1.2.10.3 jdolecek
74 1.2.10.2 tls AslCommonError (ASL_ERROR, ErrorId, 0, 0, 0, 0, NULL, MsgBuffer);
75 1.2.10.2 tls }
76 1.2.10.2 tls
77 1.2.10.2 tls
78 1.2.10.2 tls /*******************************************************************************
79 1.2.10.2 tls *
80 1.2.10.2 tls * FUNCTION: FlOpenFile
81 1.2.10.2 tls *
82 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array
83 1.2.10.2 tls * Filename - file pathname to open
84 1.2.10.2 tls * Mode - Open mode for fopen
85 1.2.10.2 tls *
86 1.2.10.2 tls * RETURN: None
87 1.2.10.2 tls *
88 1.2.10.2 tls * DESCRIPTION: Open a file.
89 1.2.10.2 tls * NOTE: Aborts compiler on any error.
90 1.2.10.2 tls *
91 1.2.10.2 tls ******************************************************************************/
92 1.2.10.2 tls
93 1.2.10.2 tls void
94 1.2.10.2 tls FlOpenFile (
95 1.2.10.2 tls UINT32 FileId,
96 1.2.10.2 tls char *Filename,
97 1.2.10.2 tls char *Mode)
98 1.2.10.2 tls {
99 1.2.10.2 tls FILE *File;
100 1.2.10.2 tls
101 1.2.10.2 tls
102 1.2.10.3 jdolecek Gbl_Files[FileId].Filename = Filename;
103 1.2.10.3 jdolecek Gbl_Files[FileId].Handle = NULL;
104 1.2.10.3 jdolecek
105 1.2.10.2 tls File = fopen (Filename, Mode);
106 1.2.10.2 tls if (!File)
107 1.2.10.2 tls {
108 1.2.10.2 tls FlFileError (FileId, ASL_MSG_OPEN);
109 1.2.10.2 tls AslAbort ();
110 1.2.10.2 tls }
111 1.2.10.2 tls
112 1.2.10.3 jdolecek Gbl_Files[FileId].Handle = File;
113 1.2.10.2 tls }
114 1.2.10.2 tls
115 1.2.10.2 tls
116 1.2.10.2 tls /*******************************************************************************
117 1.2.10.2 tls *
118 1.2.10.2 tls * FUNCTION: FlGetFileSize
119 1.2.10.2 tls *
120 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array
121 1.2.10.2 tls *
122 1.2.10.2 tls * RETURN: File Size
123 1.2.10.2 tls *
124 1.2.10.3 jdolecek * DESCRIPTION: Get current file size. Uses common seek-to-EOF function.
125 1.2.10.3 jdolecek * File must be open. Aborts compiler on error.
126 1.2.10.2 tls *
127 1.2.10.2 tls ******************************************************************************/
128 1.2.10.2 tls
129 1.2.10.2 tls UINT32
130 1.2.10.2 tls FlGetFileSize (
131 1.2.10.2 tls UINT32 FileId)
132 1.2.10.2 tls {
133 1.2.10.2 tls UINT32 FileSize;
134 1.2.10.2 tls
135 1.2.10.2 tls
136 1.2.10.3 jdolecek FileSize = CmGetFileSize (Gbl_Files[FileId].Handle);
137 1.2.10.3 jdolecek if (FileSize == ACPI_UINT32_MAX)
138 1.2.10.3 jdolecek {
139 1.2.10.3 jdolecek AslAbort();
140 1.2.10.3 jdolecek }
141 1.2.10.2 tls
142 1.2.10.2 tls return (FileSize);
143 1.2.10.2 tls }
144 1.2.10.2 tls
145 1.2.10.2 tls
146 1.2.10.2 tls /*******************************************************************************
147 1.2.10.2 tls *
148 1.2.10.2 tls * FUNCTION: FlReadFile
149 1.2.10.2 tls *
150 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array
151 1.2.10.2 tls * Buffer - Where to place the data
152 1.2.10.2 tls * Length - Amount to read
153 1.2.10.2 tls *
154 1.2.10.2 tls * RETURN: Status. AE_ERROR indicates EOF.
155 1.2.10.2 tls *
156 1.2.10.2 tls * DESCRIPTION: Read data from an open file.
157 1.2.10.2 tls * NOTE: Aborts compiler on any error.
158 1.2.10.2 tls *
159 1.2.10.2 tls ******************************************************************************/
160 1.2.10.2 tls
161 1.2.10.2 tls ACPI_STATUS
162 1.2.10.2 tls FlReadFile (
163 1.2.10.2 tls UINT32 FileId,
164 1.2.10.2 tls void *Buffer,
165 1.2.10.2 tls UINT32 Length)
166 1.2.10.2 tls {
167 1.2.10.2 tls UINT32 Actual;
168 1.2.10.2 tls
169 1.2.10.2 tls
170 1.2.10.2 tls /* Read and check for error */
171 1.2.10.2 tls
172 1.2.10.2 tls Actual = fread (Buffer, 1, Length, Gbl_Files[FileId].Handle);
173 1.2.10.2 tls if (Actual < Length)
174 1.2.10.2 tls {
175 1.2.10.2 tls if (feof (Gbl_Files[FileId].Handle))
176 1.2.10.2 tls {
177 1.2.10.2 tls /* End-of-file, just return error */
178 1.2.10.2 tls
179 1.2.10.2 tls return (AE_ERROR);
180 1.2.10.2 tls }
181 1.2.10.2 tls
182 1.2.10.2 tls FlFileError (FileId, ASL_MSG_READ);
183 1.2.10.2 tls AslAbort ();
184 1.2.10.2 tls }
185 1.2.10.2 tls
186 1.2.10.2 tls return (AE_OK);
187 1.2.10.2 tls }
188 1.2.10.2 tls
189 1.2.10.2 tls
190 1.2.10.2 tls /*******************************************************************************
191 1.2.10.2 tls *
192 1.2.10.2 tls * FUNCTION: FlWriteFile
193 1.2.10.2 tls *
194 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array
195 1.2.10.2 tls * Buffer - Data to write
196 1.2.10.2 tls * Length - Amount of data to write
197 1.2.10.2 tls *
198 1.2.10.2 tls * RETURN: None
199 1.2.10.2 tls *
200 1.2.10.2 tls * DESCRIPTION: Write data to an open file.
201 1.2.10.2 tls * NOTE: Aborts compiler on any error.
202 1.2.10.2 tls *
203 1.2.10.2 tls ******************************************************************************/
204 1.2.10.2 tls
205 1.2.10.2 tls void
206 1.2.10.2 tls FlWriteFile (
207 1.2.10.2 tls UINT32 FileId,
208 1.2.10.2 tls void *Buffer,
209 1.2.10.2 tls UINT32 Length)
210 1.2.10.2 tls {
211 1.2.10.2 tls UINT32 Actual;
212 1.2.10.2 tls
213 1.2.10.2 tls
214 1.2.10.2 tls /* Write and check for error */
215 1.2.10.2 tls
216 1.2.10.2 tls Actual = fwrite ((char *) Buffer, 1, Length, Gbl_Files[FileId].Handle);
217 1.2.10.2 tls if (Actual != Length)
218 1.2.10.2 tls {
219 1.2.10.2 tls FlFileError (FileId, ASL_MSG_WRITE);
220 1.2.10.2 tls AslAbort ();
221 1.2.10.2 tls }
222 1.2.10.3 jdolecek
223 1.2.10.3 jdolecek if ((FileId == ASL_FILE_PREPROCESSOR) && Gbl_PreprocessorOutputFlag)
224 1.2.10.3 jdolecek {
225 1.2.10.3 jdolecek /* Duplicate the output to the user preprocessor (.i) file */
226 1.2.10.3 jdolecek
227 1.2.10.3 jdolecek Actual = fwrite ((char *) Buffer, 1, Length,
228 1.2.10.3 jdolecek Gbl_Files[ASL_FILE_PREPROCESSOR_USER].Handle);
229 1.2.10.3 jdolecek if (Actual != Length)
230 1.2.10.3 jdolecek {
231 1.2.10.3 jdolecek FlFileError (FileId, ASL_MSG_WRITE);
232 1.2.10.3 jdolecek AslAbort ();
233 1.2.10.3 jdolecek }
234 1.2.10.3 jdolecek }
235 1.2.10.2 tls }
236 1.2.10.2 tls
237 1.2.10.2 tls
238 1.2.10.2 tls /*******************************************************************************
239 1.2.10.2 tls *
240 1.2.10.2 tls * FUNCTION: FlPrintFile
241 1.2.10.2 tls *
242 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array
243 1.2.10.2 tls * Format - Printf format string
244 1.2.10.2 tls * ... - Printf arguments
245 1.2.10.2 tls *
246 1.2.10.2 tls * RETURN: None
247 1.2.10.2 tls *
248 1.2.10.2 tls * DESCRIPTION: Formatted write to an open file.
249 1.2.10.2 tls * NOTE: Aborts compiler on any error.
250 1.2.10.2 tls *
251 1.2.10.2 tls ******************************************************************************/
252 1.2.10.2 tls
253 1.2.10.2 tls void
254 1.2.10.2 tls FlPrintFile (
255 1.2.10.2 tls UINT32 FileId,
256 1.2.10.2 tls char *Format,
257 1.2.10.2 tls ...)
258 1.2.10.2 tls {
259 1.2.10.2 tls INT32 Actual;
260 1.2.10.2 tls va_list Args;
261 1.2.10.2 tls
262 1.2.10.2 tls
263 1.2.10.2 tls va_start (Args, Format);
264 1.2.10.2 tls Actual = vfprintf (Gbl_Files[FileId].Handle, Format, Args);
265 1.2.10.2 tls va_end (Args);
266 1.2.10.2 tls
267 1.2.10.2 tls if (Actual == -1)
268 1.2.10.2 tls {
269 1.2.10.2 tls FlFileError (FileId, ASL_MSG_WRITE);
270 1.2.10.2 tls AslAbort ();
271 1.2.10.2 tls }
272 1.2.10.3 jdolecek
273 1.2.10.3 jdolecek if ((FileId == ASL_FILE_PREPROCESSOR) &&
274 1.2.10.3 jdolecek Gbl_PreprocessorOutputFlag)
275 1.2.10.3 jdolecek {
276 1.2.10.3 jdolecek /*
277 1.2.10.3 jdolecek * Duplicate the output to the user preprocessor (.i) file,
278 1.2.10.3 jdolecek * except: no #line directives.
279 1.2.10.3 jdolecek */
280 1.2.10.3 jdolecek if (!strncmp (Format, "#line", 5))
281 1.2.10.3 jdolecek {
282 1.2.10.3 jdolecek return;
283 1.2.10.3 jdolecek }
284 1.2.10.3 jdolecek
285 1.2.10.3 jdolecek va_start (Args, Format);
286 1.2.10.3 jdolecek Actual = vfprintf (Gbl_Files[ASL_FILE_PREPROCESSOR_USER].Handle,
287 1.2.10.3 jdolecek Format, Args);
288 1.2.10.3 jdolecek va_end (Args);
289 1.2.10.3 jdolecek
290 1.2.10.3 jdolecek if (Actual == -1)
291 1.2.10.3 jdolecek {
292 1.2.10.3 jdolecek FlFileError (FileId, ASL_MSG_WRITE);
293 1.2.10.3 jdolecek AslAbort ();
294 1.2.10.3 jdolecek }
295 1.2.10.3 jdolecek }
296 1.2.10.2 tls }
297 1.2.10.2 tls
298 1.2.10.2 tls
299 1.2.10.2 tls /*******************************************************************************
300 1.2.10.2 tls *
301 1.2.10.2 tls * FUNCTION: FlSeekFile
302 1.2.10.2 tls *
303 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array
304 1.2.10.2 tls * Offset - Absolute byte offset in file
305 1.2.10.2 tls *
306 1.2.10.2 tls * RETURN: None
307 1.2.10.2 tls *
308 1.2.10.2 tls * DESCRIPTION: Seek to absolute offset.
309 1.2.10.2 tls * NOTE: Aborts compiler on any error.
310 1.2.10.2 tls *
311 1.2.10.2 tls ******************************************************************************/
312 1.2.10.2 tls
313 1.2.10.2 tls void
314 1.2.10.2 tls FlSeekFile (
315 1.2.10.2 tls UINT32 FileId,
316 1.2.10.2 tls long Offset)
317 1.2.10.2 tls {
318 1.2.10.2 tls int Error;
319 1.2.10.2 tls
320 1.2.10.2 tls
321 1.2.10.2 tls Error = fseek (Gbl_Files[FileId].Handle, Offset, SEEK_SET);
322 1.2.10.2 tls if (Error)
323 1.2.10.2 tls {
324 1.2.10.2 tls FlFileError (FileId, ASL_MSG_SEEK);
325 1.2.10.2 tls AslAbort ();
326 1.2.10.2 tls }
327 1.2.10.2 tls }
328 1.2.10.2 tls
329 1.2.10.2 tls
330 1.2.10.2 tls /*******************************************************************************
331 1.2.10.2 tls *
332 1.2.10.2 tls * FUNCTION: FlCloseFile
333 1.2.10.2 tls *
334 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array
335 1.2.10.2 tls *
336 1.2.10.2 tls * RETURN: None
337 1.2.10.2 tls *
338 1.2.10.2 tls * DESCRIPTION: Close an open file. Aborts compiler on error
339 1.2.10.2 tls *
340 1.2.10.2 tls ******************************************************************************/
341 1.2.10.2 tls
342 1.2.10.2 tls void
343 1.2.10.2 tls FlCloseFile (
344 1.2.10.2 tls UINT32 FileId)
345 1.2.10.2 tls {
346 1.2.10.2 tls int Error;
347 1.2.10.2 tls
348 1.2.10.2 tls
349 1.2.10.2 tls if (!Gbl_Files[FileId].Handle)
350 1.2.10.2 tls {
351 1.2.10.2 tls return;
352 1.2.10.2 tls }
353 1.2.10.2 tls
354 1.2.10.2 tls Error = fclose (Gbl_Files[FileId].Handle);
355 1.2.10.2 tls if (Error)
356 1.2.10.2 tls {
357 1.2.10.2 tls FlFileError (FileId, ASL_MSG_CLOSE);
358 1.2.10.2 tls AslAbort ();
359 1.2.10.2 tls }
360 1.2.10.2 tls
361 1.2.10.3 jdolecek /* Do not clear/free the filename string */
362 1.2.10.3 jdolecek
363 1.2.10.2 tls Gbl_Files[FileId].Handle = NULL;
364 1.2.10.2 tls return;
365 1.2.10.2 tls }
366 1.2.10.2 tls
367 1.2.10.2 tls
368 1.2.10.2 tls /*******************************************************************************
369 1.2.10.2 tls *
370 1.2.10.2 tls * FUNCTION: FlDeleteFile
371 1.2.10.2 tls *
372 1.2.10.2 tls * PARAMETERS: FileId - Index into file info array
373 1.2.10.2 tls *
374 1.2.10.2 tls * RETURN: None
375 1.2.10.2 tls *
376 1.2.10.2 tls * DESCRIPTION: Delete a file.
377 1.2.10.2 tls *
378 1.2.10.2 tls ******************************************************************************/
379 1.2.10.2 tls
380 1.2.10.2 tls void
381 1.2.10.2 tls FlDeleteFile (
382 1.2.10.2 tls UINT32 FileId)
383 1.2.10.2 tls {
384 1.2.10.2 tls ASL_FILE_INFO *Info = &Gbl_Files[FileId];
385 1.2.10.2 tls
386 1.2.10.2 tls
387 1.2.10.2 tls if (!Info->Filename)
388 1.2.10.2 tls {
389 1.2.10.2 tls return;
390 1.2.10.2 tls }
391 1.2.10.2 tls
392 1.2.10.2 tls if (remove (Info->Filename))
393 1.2.10.2 tls {
394 1.2.10.2 tls printf ("%s (%s file) ",
395 1.2.10.2 tls Info->Filename, Info->Description);
396 1.2.10.2 tls perror ("Could not delete");
397 1.2.10.2 tls }
398 1.2.10.2 tls
399 1.2.10.2 tls Info->Filename = NULL;
400 1.2.10.2 tls return;
401 1.2.10.2 tls }
402