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b85e4829 AC |
1 | /* The common simulator framework for GDB, the GNU Debugger. |
2 | ||
61baf725 | 3 | Copyright 2002-2017 Free Software Foundation, Inc. |
b85e4829 AC |
4 | |
5 | Contributed by Andrew Cagney and Red Hat. | |
6 | ||
7 | This file is part of GDB. | |
8 | ||
9 | This program is free software; you can redistribute it and/or modify | |
10 | it under the terms of the GNU General Public License as published by | |
4744ac1b | 11 | the Free Software Foundation; either version 3 of the License, or |
b85e4829 AC |
12 | (at your option) any later version. |
13 | ||
14 | This program is distributed in the hope that it will be useful, | |
15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | GNU General Public License for more details. | |
18 | ||
19 | You should have received a copy of the GNU General Public License | |
4744ac1b | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
b85e4829 | 21 | |
c906108c SS |
22 | |
23 | #include "hw-main.h" | |
24 | #include "hw-base.h" | |
25 | #include "hw-tree.h" | |
26 | ||
c2c6d25f | 27 | #include "sim-io.h" |
c906108c SS |
28 | #include "sim-assert.h" |
29 | ||
30 | #ifdef HAVE_STDLIB_H | |
31 | #include <stdlib.h> | |
32 | #endif | |
33 | ||
34 | #ifdef HAVE_STRING_H | |
35 | #include <string.h> | |
36 | #else | |
37 | #ifdef HAVE_STRINGS_H | |
38 | #include <strings.h> | |
39 | #endif | |
40 | #endif | |
41 | ||
42 | #include <ctype.h> | |
43 | ||
44 | /* manipulate/lookup device names */ | |
45 | ||
12c4cbd5 MF |
46 | typedef struct _name_specifier |
47 | { | |
028f6515 | 48 | |
c906108c SS |
49 | /* components in the full length name */ |
50 | char *path; | |
51 | char *property; | |
52 | char *value; | |
028f6515 | 53 | |
c906108c SS |
54 | /* current device */ |
55 | char *family; | |
56 | char *name; | |
57 | char *unit; | |
58 | char *args; | |
028f6515 | 59 | |
c906108c SS |
60 | /* previous device */ |
61 | char *last_name; | |
62 | char *last_family; | |
63 | char *last_unit; | |
64 | char *last_args; | |
028f6515 | 65 | |
c906108c SS |
66 | /* work area */ |
67 | char buf[1024]; | |
028f6515 | 68 | |
c906108c SS |
69 | } name_specifier; |
70 | ||
71 | ||
72 | ||
73 | /* Given a device specifier, break it up into its main components: | |
74 | path (and if present) property name and property value. */ | |
75 | ||
76 | static int | |
77 | split_device_specifier (struct hw *current, | |
78 | const char *device_specifier, | |
79 | name_specifier *spec) | |
80 | { | |
81 | char *chp = NULL; | |
028f6515 | 82 | |
c906108c SS |
83 | /* expand any leading alias if present */ |
84 | if (current != NULL | |
85 | && *device_specifier != '\0' | |
86 | && *device_specifier != '.' | |
87 | && *device_specifier != '/') | |
88 | { | |
89 | struct hw *aliases = hw_tree_find_device (current, "/aliases"); | |
90 | char alias[32]; | |
91 | int len = 0; | |
92 | while (device_specifier[len] != '\0' | |
93 | && device_specifier[len] != '/' | |
94 | && device_specifier[len] != ':' | |
95 | && !isspace (device_specifier[len])) | |
96 | { | |
97 | alias[len] = device_specifier[len]; | |
98 | len++; | |
34b47c38 | 99 | if (len >= sizeof (alias)) |
c906108c SS |
100 | hw_abort (NULL, "split_device_specifier: buffer overflow"); |
101 | } | |
102 | alias[len] = '\0'; | |
103 | if (aliases != NULL | |
104 | && hw_find_property (aliases, alias)) | |
105 | { | |
34b47c38 | 106 | strcpy (spec->buf, hw_find_string_property (aliases, alias)); |
c906108c SS |
107 | strcat (spec->buf, device_specifier + len); |
108 | } | |
109 | else | |
110 | { | |
111 | strcpy (spec->buf, device_specifier); | |
112 | } | |
113 | } | |
114 | else | |
115 | { | |
34b47c38 | 116 | strcpy (spec->buf, device_specifier); |
c906108c | 117 | } |
028f6515 | 118 | |
c906108c | 119 | /* check no overflow */ |
34b47c38 | 120 | if (strlen (spec->buf) >= sizeof (spec->buf)) |
c906108c | 121 | hw_abort (NULL, "split_device_specifier: buffer overflow\n"); |
028f6515 | 122 | |
c906108c SS |
123 | /* strip leading spaces */ |
124 | chp = spec->buf; | |
34b47c38 | 125 | while (*chp != '\0' && isspace (*chp)) |
c906108c SS |
126 | chp++; |
127 | if (*chp == '\0') | |
128 | return 0; | |
028f6515 | 129 | |
c906108c SS |
130 | /* find the path and terminate it with null */ |
131 | spec->path = chp; | |
34b47c38 | 132 | while (*chp != '\0' && !isspace (*chp)) |
c906108c SS |
133 | chp++; |
134 | if (*chp != '\0') | |
135 | { | |
136 | *chp = '\0'; | |
137 | chp++; | |
138 | } | |
028f6515 | 139 | |
c906108c | 140 | /* and any value */ |
34b47c38 | 141 | while (*chp != '\0' && isspace (*chp)) |
c906108c SS |
142 | chp++; |
143 | spec->value = chp; | |
028f6515 | 144 | |
c906108c SS |
145 | /* now go back and chop the property off of the path */ |
146 | if (spec->value[0] == '\0') | |
147 | { | |
148 | spec->property = NULL; /*not a property*/ | |
149 | spec->value = NULL; | |
150 | } | |
151 | else if (spec->value[0] == '>' | |
152 | || spec->value[0] == '<') | |
153 | { | |
154 | /* an interrupt spec */ | |
155 | spec->property = NULL; | |
156 | } | |
12c4cbd5 MF |
157 | else |
158 | { | |
34b47c38 | 159 | chp = strrchr (spec->path, '/'); |
12c4cbd5 MF |
160 | if (chp == NULL) |
161 | { | |
162 | spec->property = spec->path; | |
34b47c38 | 163 | spec->path = strchr (spec->property, '\0'); |
12c4cbd5 MF |
164 | } |
165 | else | |
166 | { | |
167 | *chp = '\0'; | |
168 | spec->property = chp+1; | |
169 | } | |
c906108c | 170 | } |
028f6515 | 171 | |
c906108c SS |
172 | /* and mark the rest as invalid */ |
173 | spec->name = NULL; | |
174 | spec->family = NULL; | |
175 | spec->unit = NULL; | |
176 | spec->args = NULL; | |
177 | spec->last_name = NULL; | |
178 | spec->last_family = NULL; | |
179 | spec->last_unit = NULL; | |
180 | spec->last_args = NULL; | |
028f6515 | 181 | |
c906108c SS |
182 | return 1; |
183 | } | |
184 | ||
185 | ||
186 | /* given a device specifier break it up into its main components - | |
187 | path and property name - assuming that the last `device' is a | |
188 | property name. */ | |
189 | ||
190 | static int | |
191 | split_property_specifier (struct hw *current, | |
192 | const char *property_specifier, | |
193 | name_specifier *spec) | |
194 | { | |
195 | if (split_device_specifier (current, property_specifier, spec)) | |
196 | { | |
197 | if (spec->property == NULL) | |
198 | { | |
199 | /* force the last name to be a property name */ | |
200 | char *chp = strrchr (spec->path, '/'); | |
201 | if (chp == NULL) | |
202 | { | |
203 | spec->property = spec->path; | |
204 | spec->path = strrchr (spec->property, '\0');; | |
205 | } | |
206 | else | |
207 | { | |
208 | *chp = '\0'; | |
209 | spec->property = chp + 1; | |
210 | } | |
211 | } | |
212 | return 1; | |
213 | } | |
214 | else | |
215 | return 0; | |
216 | } | |
217 | ||
218 | ||
219 | /* device the next device name and split it up, return 0 when no more | |
220 | names to struct hw */ | |
221 | ||
222 | static int | |
223 | split_device_name (name_specifier *spec) | |
224 | { | |
225 | char *chp; | |
226 | /* remember what came before */ | |
227 | spec->last_name = spec->name; | |
228 | spec->last_family = spec->family; | |
229 | spec->last_unit = spec->unit; | |
230 | spec->last_args = spec->args; | |
231 | /* finished? */ | |
232 | if (spec->path[0] == '\0') | |
233 | { | |
234 | spec->name = NULL; | |
235 | spec->family = NULL; | |
236 | spec->unit = NULL; | |
237 | spec->args = NULL; | |
238 | return 0; | |
239 | } | |
240 | /* break the current device spec from the path */ | |
241 | spec->name = spec->path; | |
242 | chp = strchr (spec->name, '/'); | |
243 | if (chp == NULL) | |
244 | spec->path = strchr (spec->name, '\0'); | |
028f6515 | 245 | else |
c906108c SS |
246 | { |
247 | spec->path = chp+1; | |
248 | *chp = '\0'; | |
249 | } | |
250 | /* break out the base */ | |
251 | if (spec->name[0] == '(') | |
252 | { | |
34b47c38 | 253 | chp = strchr (spec->name, ')'); |
c906108c SS |
254 | if (chp == NULL) |
255 | { | |
256 | spec->family = spec->name; | |
257 | } | |
258 | else | |
259 | { | |
260 | *chp = '\0'; | |
261 | spec->family = spec->name + 1; | |
262 | spec->name = chp + 1; | |
263 | } | |
264 | } | |
265 | else | |
266 | { | |
267 | spec->family = spec->name; | |
268 | } | |
269 | /* now break out the unit */ | |
34b47c38 | 270 | chp = strchr (spec->name, '@'); |
c906108c SS |
271 | if (chp == NULL) |
272 | { | |
273 | spec->unit = NULL; | |
274 | chp = spec->name; | |
275 | } | |
276 | else | |
277 | { | |
278 | *chp = '\0'; | |
279 | chp += 1; | |
280 | spec->unit = chp; | |
281 | } | |
282 | /* finally any args */ | |
34b47c38 | 283 | chp = strchr (chp, ':'); |
c906108c SS |
284 | if (chp == NULL) |
285 | spec->args = NULL; | |
286 | else | |
287 | { | |
288 | *chp = '\0'; | |
289 | spec->args = chp+1; | |
290 | } | |
291 | return 1; | |
292 | } | |
293 | ||
294 | ||
295 | /* device the value, returning the next non-space token */ | |
296 | ||
297 | static char * | |
298 | split_value (name_specifier *spec) | |
299 | { | |
300 | char *token; | |
301 | if (spec->value == NULL) | |
302 | return NULL; | |
303 | /* skip leading white space */ | |
304 | while (isspace (spec->value[0])) | |
305 | spec->value++; | |
306 | if (spec->value[0] == '\0') | |
307 | { | |
308 | spec->value = NULL; | |
309 | return NULL; | |
310 | } | |
311 | token = spec->value; | |
312 | /* find trailing space */ | |
313 | while (spec->value[0] != '\0' && !isspace (spec->value[0])) | |
314 | spec->value++; | |
315 | /* chop this value out */ | |
316 | if (spec->value[0] != '\0') | |
317 | { | |
318 | spec->value[0] = '\0'; | |
319 | spec->value++; | |
320 | } | |
321 | return token; | |
322 | } | |
323 | ||
324 | ||
325 | ||
326 | /* traverse the path specified by spec starting at current */ | |
327 | ||
328 | static struct hw * | |
329 | split_find_device (struct hw *current, | |
330 | name_specifier *spec) | |
331 | { | |
332 | /* strip off (and process) any leading ., .., ./ and / */ | |
333 | while (1) | |
334 | { | |
335 | if (strncmp (spec->path, "/", strlen ("/")) == 0) | |
336 | { | |
337 | /* cd /... */ | |
338 | while (current != NULL && hw_parent (current) != NULL) | |
339 | current = hw_parent (current); | |
340 | spec->path += strlen ("/"); | |
341 | } | |
342 | else if (strncmp (spec->path, "./", strlen ("./")) == 0) | |
343 | { | |
344 | /* cd ./... */ | |
345 | current = current; | |
346 | spec->path += strlen ("./"); | |
347 | } | |
348 | else if (strncmp (spec->path, "../", strlen ("../")) == 0) | |
349 | { | |
350 | /* cd ../... */ | |
351 | if (current != NULL && hw_parent (current) != NULL) | |
352 | current = hw_parent (current); | |
353 | spec->path += strlen ("../"); | |
354 | } | |
355 | else if (strcmp (spec->path, ".") == 0) | |
356 | { | |
357 | /* cd . */ | |
358 | current = current; | |
359 | spec->path += strlen ("."); | |
360 | } | |
361 | else if (strcmp (spec->path, "..") == 0) | |
362 | { | |
363 | /* cd .. */ | |
364 | if (current != NULL && hw_parent (current) != NULL) | |
365 | current = hw_parent (current); | |
366 | spec->path += strlen (".."); | |
367 | } | |
368 | else | |
369 | break; | |
370 | } | |
028f6515 | 371 | |
c906108c | 372 | /* now go through the path proper */ |
028f6515 | 373 | |
c906108c SS |
374 | if (current == NULL) |
375 | { | |
376 | split_device_name (spec); | |
377 | return NULL; | |
378 | } | |
028f6515 | 379 | |
c906108c SS |
380 | while (split_device_name (spec)) |
381 | { | |
382 | struct hw *child; | |
383 | for (child = hw_child (current); | |
384 | child != NULL; child = hw_sibling (child)) | |
385 | { | |
386 | if (strcmp (spec->name, hw_name (child)) == 0) | |
387 | { | |
388 | if (spec->unit == NULL) | |
389 | break; | |
390 | else | |
391 | { | |
392 | hw_unit phys; | |
393 | hw_unit_decode (current, spec->unit, &phys); | |
394 | if (memcmp (&phys, hw_unit_address (child), | |
395 | sizeof (hw_unit)) == 0) | |
396 | break; | |
397 | } | |
398 | } | |
399 | } | |
400 | if (child == NULL) | |
401 | return current; /* search failed */ | |
402 | current = child; | |
403 | } | |
028f6515 | 404 | |
c906108c SS |
405 | return current; |
406 | } | |
407 | ||
408 | ||
409 | static struct hw * | |
410 | split_fill_path (struct hw *current, | |
411 | const char *device_specifier, | |
412 | name_specifier *spec) | |
413 | { | |
414 | /* break it up */ | |
415 | if (!split_device_specifier (current, device_specifier, spec)) | |
416 | hw_abort (current, "error parsing %s\n", device_specifier); | |
028f6515 | 417 | |
c906108c SS |
418 | /* fill our tree with its contents */ |
419 | current = split_find_device (current, spec); | |
028f6515 | 420 | |
c906108c SS |
421 | /* add any additional devices as needed */ |
422 | if (spec->name != NULL) | |
423 | { | |
424 | do | |
425 | { | |
426 | if (current != NULL && !hw_finished_p (current)) | |
427 | hw_finish (current); | |
428 | current = hw_create (NULL, | |
429 | current, | |
430 | spec->family, | |
431 | spec->name, | |
432 | spec->unit, | |
433 | spec->args); | |
434 | } | |
435 | while (split_device_name (spec)); | |
436 | } | |
028f6515 | 437 | |
c906108c SS |
438 | return current; |
439 | } | |
440 | ||
441 | \f | |
442 | /* <non-white-space> */ | |
443 | ||
444 | static const char * | |
34b47c38 | 445 | skip_token (const char *chp) |
c906108c | 446 | { |
34b47c38 | 447 | while (!isspace (*chp) && *chp != '\0') |
c906108c | 448 | chp++; |
34b47c38 | 449 | while (isspace (*chp) && *chp != '\0') |
c906108c SS |
450 | chp++; |
451 | return chp; | |
452 | } | |
453 | ||
454 | ||
455 | /* count the number of entries */ | |
456 | ||
457 | static int | |
458 | count_entries (struct hw *current, | |
459 | const char *property_name, | |
460 | const char *property_value, | |
461 | int modulo) | |
462 | { | |
463 | const char *chp = property_value; | |
464 | int nr_entries = 0; | |
465 | while (*chp != '\0') | |
466 | { | |
467 | nr_entries += 1; | |
468 | chp = skip_token (chp); | |
469 | } | |
470 | if ((nr_entries % modulo) != 0) | |
471 | { | |
472 | hw_abort (current, "incorrect number of entries for %s property %s, should be multiple of %d", | |
473 | property_name, property_value, modulo); | |
474 | } | |
475 | return nr_entries / modulo; | |
476 | } | |
477 | ||
478 | ||
479 | ||
480 | /* parse: <address> ::= <token> ; device dependant */ | |
481 | ||
482 | static const char * | |
483 | parse_address (struct hw *current, | |
484 | struct hw *bus, | |
485 | const char *chp, | |
486 | hw_unit *address) | |
487 | { | |
488 | if (hw_unit_decode (bus, chp, address) < 0) | |
489 | hw_abort (current, "invalid unit address in %s", chp); | |
490 | return skip_token (chp); | |
491 | } | |
492 | ||
493 | ||
494 | /* parse: <size> ::= <number> { "," <number> } ; */ | |
495 | ||
496 | static const char * | |
497 | parse_size (struct hw *current, | |
498 | struct hw *bus, | |
499 | const char *chp, | |
500 | hw_unit *size) | |
501 | { | |
502 | int i; | |
503 | int nr; | |
504 | const char *curr = chp; | |
34b47c38 | 505 | memset (size, 0, sizeof (*size)); |
c906108c SS |
506 | /* parse the numeric list */ |
507 | size->nr_cells = hw_unit_nr_size_cells (bus); | |
508 | nr = 0; | |
509 | while (1) | |
510 | { | |
511 | char *next; | |
512 | size->cells[nr] = strtoul (curr, &next, 0); | |
513 | if (curr == next) | |
514 | hw_abort (current, "Problem parsing <size> %s", chp); | |
515 | nr += 1; | |
516 | if (next[0] != ',') | |
517 | break; | |
518 | if (nr == size->nr_cells) | |
519 | hw_abort (current, "Too many values in <size> %s", chp); | |
520 | curr = next + 1; | |
521 | } | |
522 | ASSERT (nr > 0 && nr <= size->nr_cells); | |
523 | /* right align the numbers */ | |
524 | for (i = 1; i <= size->nr_cells; i++) | |
525 | { | |
526 | if (i <= nr) | |
527 | size->cells[size->nr_cells - i] = size->cells[nr - i]; | |
528 | else | |
529 | size->cells[size->nr_cells - i] = 0; | |
530 | } | |
531 | return skip_token (chp); | |
532 | } | |
533 | ||
534 | ||
535 | /* parse: <reg> ::= { <address> <size> } ; */ | |
536 | ||
537 | static void | |
538 | parse_reg_property (struct hw *current, | |
539 | const char *property_name, | |
540 | const char *property_value) | |
541 | { | |
542 | int nr_regs; | |
543 | int reg_nr; | |
544 | reg_property_spec *regs; | |
545 | const char *chp; | |
028f6515 | 546 | |
c906108c SS |
547 | /* determine the number of reg entries by counting tokens */ |
548 | nr_regs = count_entries (current, property_name, property_value, 2); | |
028f6515 | 549 | |
c906108c SS |
550 | /* create working space */ |
551 | regs = zalloc (nr_regs * sizeof (*regs)); | |
028f6515 | 552 | |
c906108c SS |
553 | /* fill it in */ |
554 | chp = property_value; | |
555 | for (reg_nr = 0; reg_nr < nr_regs; reg_nr++) | |
556 | { | |
34b47c38 | 557 | chp = parse_address (current, hw_parent (current), |
c906108c | 558 | chp, ®s[reg_nr].address); |
34b47c38 | 559 | chp = parse_size (current, hw_parent (current), |
c906108c SS |
560 | chp, ®s[reg_nr].size); |
561 | } | |
028f6515 | 562 | |
c906108c SS |
563 | /* create it */ |
564 | hw_add_reg_array_property (current, property_name, | |
565 | regs, nr_regs); | |
028f6515 | 566 | |
d79fe0d6 | 567 | free (regs); |
c906108c SS |
568 | } |
569 | ||
570 | ||
571 | /* { <child-address> <parent-address> <child-size> }* */ | |
572 | ||
573 | static void | |
574 | parse_ranges_property (struct hw *current, | |
575 | const char *property_name, | |
576 | const char *property_value) | |
577 | { | |
578 | int nr_ranges; | |
579 | int range_nr; | |
580 | range_property_spec *ranges; | |
581 | const char *chp; | |
028f6515 | 582 | |
c906108c SS |
583 | /* determine the number of ranges specified */ |
584 | nr_ranges = count_entries (current, property_name, property_value, 3); | |
028f6515 | 585 | |
c906108c | 586 | /* create a property of that size */ |
34b47c38 | 587 | ranges = zalloc (nr_ranges * sizeof (*ranges)); |
028f6515 | 588 | |
c906108c SS |
589 | /* fill it in */ |
590 | chp = property_value; | |
591 | for (range_nr = 0; range_nr < nr_ranges; range_nr++) | |
592 | { | |
593 | chp = parse_address (current, current, | |
594 | chp, &ranges[range_nr].child_address); | |
34b47c38 | 595 | chp = parse_address (current, hw_parent (current), |
c906108c SS |
596 | chp, &ranges[range_nr].parent_address); |
597 | chp = parse_size (current, current, | |
598 | chp, &ranges[range_nr].size); | |
599 | } | |
028f6515 | 600 | |
c906108c SS |
601 | /* create it */ |
602 | hw_add_range_array_property (current, property_name, ranges, nr_ranges); | |
028f6515 | 603 | |
d79fe0d6 | 604 | free (ranges); |
c906108c SS |
605 | } |
606 | ||
607 | ||
608 | /* <integer> ... */ | |
609 | ||
610 | static void | |
611 | parse_integer_property (struct hw *current, | |
612 | const char *property_name, | |
613 | const char *property_value) | |
614 | { | |
615 | int nr_entries; | |
616 | unsigned_cell words[1024]; | |
617 | /* integer or integer array? */ | |
618 | nr_entries = 0; | |
619 | while (1) | |
620 | { | |
621 | char *end; | |
622 | words[nr_entries] = strtoul (property_value, &end, 0); | |
623 | if (property_value == end) | |
624 | break; | |
625 | nr_entries += 1; | |
626 | if (nr_entries * sizeof (words[0]) >= sizeof (words)) | |
627 | hw_abort (current, "buffer overflow"); | |
628 | property_value = end; | |
629 | } | |
630 | if (nr_entries == 0) | |
631 | hw_abort (current, "error parsing integer property %s (%s)", | |
632 | property_name, property_value); | |
633 | else if (nr_entries == 1) | |
634 | hw_add_integer_property (current, property_name, words[0]); | |
635 | else | |
636 | { | |
637 | int i; | |
638 | for (i = 0; i < nr_entries; i++) | |
639 | { | |
640 | H2BE (words[i]); | |
641 | } | |
109d3db3 | 642 | /* perhaps integer array property is better */ |
c906108c | 643 | hw_add_array_property (current, property_name, words, |
34b47c38 | 644 | sizeof (words[0]) * nr_entries); |
c906108c SS |
645 | } |
646 | } | |
647 | ||
648 | ||
649 | /* <string> ... */ | |
650 | ||
651 | static void | |
652 | parse_string_property (struct hw *current, | |
653 | const char *property_name, | |
654 | const char *property_value) | |
655 | { | |
656 | char **strings; | |
657 | const char *chp; | |
658 | int nr_strings; | |
659 | int approx_nr_strings; | |
028f6515 | 660 | |
c906108c SS |
661 | /* get an estimate as to the number of strings by counting double |
662 | quotes */ | |
663 | approx_nr_strings = 2; | |
664 | for (chp = property_value; *chp; chp++) | |
665 | { | |
666 | if (*chp == '"') | |
667 | approx_nr_strings++; | |
668 | } | |
669 | approx_nr_strings = (approx_nr_strings) / 2; | |
028f6515 | 670 | |
c906108c | 671 | /* create a string buffer for that many (plus a null) */ |
34b47c38 | 672 | strings = (char**) zalloc ((approx_nr_strings + 1) * sizeof (char*)); |
028f6515 | 673 | |
c906108c SS |
674 | /* now find all the strings */ |
675 | chp = property_value; | |
676 | nr_strings = 0; | |
677 | while (1) | |
678 | { | |
028f6515 | 679 | |
c906108c SS |
680 | /* skip leading space */ |
681 | while (*chp != '\0' && isspace (*chp)) | |
682 | chp += 1; | |
683 | if (*chp == '\0') | |
684 | break; | |
028f6515 | 685 | |
c906108c SS |
686 | /* copy it in */ |
687 | if (*chp == '"') | |
688 | { | |
6439295f | 689 | /* a quoted string - watch for '\' et al. */ |
c906108c SS |
690 | /* estimate the size and allocate space for it */ |
691 | int pos; | |
692 | chp++; | |
693 | pos = 0; | |
694 | while (chp[pos] != '\0' && chp[pos] != '"') | |
695 | { | |
696 | if (chp[pos] == '\\' && chp[pos+1] != '\0') | |
697 | pos += 2; | |
698 | else | |
699 | pos += 1; | |
700 | } | |
701 | strings[nr_strings] = zalloc (pos + 1); | |
702 | /* copy the string over */ | |
703 | pos = 0; | |
704 | while (*chp != '\0' && *chp != '"') | |
705 | { | |
12c4cbd5 MF |
706 | if (*chp == '\\' && *(chp+1) != '\0') |
707 | { | |
708 | strings[nr_strings][pos] = *(chp+1); | |
709 | chp += 2; | |
710 | pos++; | |
711 | } | |
c906108c SS |
712 | else |
713 | { | |
714 | strings[nr_strings][pos] = *chp; | |
715 | chp += 1; | |
716 | pos++; | |
717 | } | |
718 | } | |
719 | if (*chp != '\0') | |
720 | chp++; | |
721 | strings[nr_strings][pos] = '\0'; | |
722 | } | |
723 | else | |
724 | { | |
725 | /* copy over a single unquoted token */ | |
726 | int len = 0; | |
34b47c38 | 727 | while (chp[len] != '\0' && !isspace (chp[len])) |
c906108c | 728 | len++; |
34b47c38 MF |
729 | strings[nr_strings] = zalloc (len + 1); |
730 | strncpy (strings[nr_strings], chp, len); | |
c906108c SS |
731 | strings[nr_strings][len] = '\0'; |
732 | chp += len; | |
733 | } | |
734 | nr_strings++; | |
735 | if (nr_strings > approx_nr_strings) | |
736 | hw_abort (current, "String property %s badly formatted", | |
737 | property_name); | |
738 | } | |
739 | ASSERT (strings[nr_strings] == NULL); /* from zalloc */ | |
028f6515 | 740 | |
c906108c SS |
741 | /* install it */ |
742 | if (nr_strings == 0) | |
743 | hw_add_string_property (current, property_name, ""); | |
744 | else if (nr_strings == 1) | |
745 | hw_add_string_property (current, property_name, strings[0]); | |
746 | else | |
747 | { | |
748 | const char **specs = (const char**) strings; /* stop a bogus error */ | |
749 | hw_add_string_array_property (current, property_name, | |
750 | specs, nr_strings); | |
751 | } | |
028f6515 | 752 | |
c906108c SS |
753 | /* flush the created string */ |
754 | while (nr_strings > 0) | |
755 | { | |
756 | nr_strings--; | |
d79fe0d6 | 757 | free (strings[nr_strings]); |
c906108c | 758 | } |
34b47c38 | 759 | free (strings); |
c906108c SS |
760 | } |
761 | ||
762 | ||
763 | /* <path-to-ihandle-device> */ | |
764 | ||
765 | #if NOT_YET | |
766 | static void | |
767 | parse_ihandle_property (struct hw *current, | |
768 | const char *property, | |
769 | const char *value) | |
770 | { | |
771 | ihandle_runtime_property_spec ihandle; | |
028f6515 | 772 | |
c906108c SS |
773 | /* pass the full path */ |
774 | ihandle.full_path = value; | |
028f6515 | 775 | |
c906108c SS |
776 | /* save this ready for the ihandle create */ |
777 | hw_add_ihandle_runtime_property (current, property, | |
778 | &ihandle); | |
779 | } | |
780 | #endif | |
781 | ||
782 | ||
783 | struct hw * | |
784 | hw_tree_create (SIM_DESC sd, | |
785 | const char *family) | |
786 | { | |
787 | return hw_create (sd, NULL, family, family, NULL, NULL); | |
788 | } | |
789 | ||
790 | void | |
791 | hw_tree_delete (struct hw *me) | |
792 | { | |
793 | /* Need to allow devices to disapear under our feet */ | |
794 | while (hw_child (me) != NULL) | |
795 | { | |
796 | hw_tree_delete (hw_child (me)); | |
797 | } | |
798 | hw_delete (me); | |
799 | } | |
800 | ||
801 | ||
802 | struct hw * | |
803 | hw_tree_parse (struct hw *current, | |
804 | const char *fmt, | |
805 | ...) | |
806 | { | |
807 | va_list ap; | |
808 | va_start (ap, fmt); | |
809 | current = hw_tree_vparse (current, fmt, ap); | |
810 | va_end (ap); | |
811 | return current; | |
812 | } | |
028f6515 | 813 | |
c906108c SS |
814 | struct hw * |
815 | hw_tree_vparse (struct hw *current, | |
816 | const char *fmt, | |
817 | va_list ap) | |
818 | { | |
819 | char device_specifier[1024]; | |
820 | name_specifier spec; | |
028f6515 | 821 | |
c906108c SS |
822 | /* format the path */ |
823 | vsprintf (device_specifier, fmt, ap); | |
824 | if (strlen (device_specifier) >= sizeof (device_specifier)) | |
825 | hw_abort (NULL, "device_tree_add_deviced: buffer overflow\n"); | |
028f6515 | 826 | |
c906108c SS |
827 | /* construct the tree down to the final struct hw */ |
828 | current = split_fill_path (current, device_specifier, &spec); | |
028f6515 | 829 | |
c906108c SS |
830 | /* is there an interrupt spec */ |
831 | if (spec.property == NULL | |
832 | && spec.value != NULL) | |
833 | { | |
834 | char *op = split_value (&spec); | |
835 | switch (op[0]) | |
836 | { | |
837 | case '>': | |
838 | { | |
839 | char *my_port_name = split_value (&spec); | |
840 | int my_port; | |
841 | char *dest_port_name = split_value (&spec); | |
842 | int dest_port; | |
843 | name_specifier dest_spec; | |
844 | char *dest_hw_name = split_value (&spec); | |
845 | struct hw *dest; | |
846 | /* find my name */ | |
847 | if (!hw_finished_p (current)) | |
848 | hw_finish (current); | |
849 | my_port = hw_port_decode (current, my_port_name, output_port); | |
850 | /* find the dest device and port */ | |
851 | dest = split_fill_path (current, dest_hw_name, &dest_spec); | |
852 | if (!hw_finished_p (dest)) | |
853 | hw_finish (dest); | |
854 | dest_port = hw_port_decode (dest, dest_port_name, | |
855 | input_port); | |
856 | /* connect the two */ | |
857 | hw_port_attach (current, | |
858 | my_port, | |
859 | dest, | |
860 | dest_port, | |
861 | permenant_object); | |
862 | break; | |
863 | } | |
864 | default: | |
865 | hw_abort (current, "unreconised interrupt spec %s\n", spec.value); | |
866 | break; | |
867 | } | |
868 | } | |
028f6515 | 869 | |
c906108c SS |
870 | /* is there a property */ |
871 | if (spec.property != NULL) | |
872 | { | |
873 | if (strcmp (spec.value, "true") == 0) | |
874 | hw_add_boolean_property (current, spec.property, 1); | |
875 | else if (strcmp (spec.value, "false") == 0) | |
876 | hw_add_boolean_property (current, spec.property, 0); | |
877 | else | |
878 | { | |
879 | const struct hw_property *property; | |
880 | switch (spec.value[0]) | |
881 | { | |
882 | #if NOT_YET | |
883 | case '*': | |
884 | { | |
885 | parse_ihandle_property (current, spec.property, spec.value + 1); | |
886 | break; | |
887 | } | |
888 | #endif | |
889 | case '[': | |
890 | { | |
891 | unsigned8 words[1024]; | |
892 | char *curr = spec.value + 1; | |
893 | int nr_words = 0; | |
894 | while (1) | |
895 | { | |
896 | char *next; | |
897 | words[nr_words] = H2BE_1 (strtoul (curr, &next, 0)); | |
898 | if (curr == next) | |
899 | break; | |
900 | curr = next; | |
901 | nr_words += 1; | |
902 | } | |
903 | hw_add_array_property (current, spec.property, | |
34b47c38 | 904 | words, sizeof (words[0]) * nr_words); |
c906108c SS |
905 | break; |
906 | } | |
907 | case '"': | |
908 | { | |
909 | parse_string_property (current, spec.property, spec.value); | |
910 | break; | |
911 | } | |
912 | case '!': | |
913 | { | |
914 | spec.value++; | |
915 | property = hw_tree_find_property (current, spec.value); | |
916 | if (property == NULL) | |
917 | hw_abort (current, "property %s not found\n", spec.value); | |
918 | hw_add_duplicate_property (current, | |
919 | spec.property, | |
920 | property); | |
921 | break; | |
922 | } | |
923 | default: | |
924 | { | |
925 | if (strcmp (spec.property, "reg") == 0 | |
926 | || strcmp (spec.property, "assigned-addresses") == 0 | |
927 | || strcmp (spec.property, "alternate-reg") == 0) | |
928 | { | |
929 | parse_reg_property (current, spec.property, spec.value); | |
930 | } | |
931 | else if (strcmp (spec.property, "ranges") == 0) | |
932 | { | |
933 | parse_ranges_property (current, spec.property, spec.value); | |
934 | } | |
34b47c38 MF |
935 | else if (isdigit (spec.value[0]) |
936 | || (spec.value[0] == '-' && isdigit (spec.value[1])) | |
937 | || (spec.value[0] == '+' && isdigit (spec.value[1]))) | |
c906108c | 938 | { |
34b47c38 | 939 | parse_integer_property (current, spec.property, spec.value); |
c906108c SS |
940 | } |
941 | else | |
34b47c38 | 942 | parse_string_property (current, spec.property, spec.value); |
c906108c SS |
943 | break; |
944 | } | |
945 | } | |
946 | } | |
947 | } | |
948 | return current; | |
949 | } | |
950 | ||
951 | ||
952 | static void | |
953 | finish_hw_tree (struct hw *me, | |
954 | void *data) | |
955 | { | |
956 | if (!hw_finished_p (me)) | |
957 | hw_finish (me); | |
958 | } | |
959 | ||
960 | void | |
961 | hw_tree_finish (struct hw *root) | |
962 | { | |
963 | hw_tree_traverse (root, finish_hw_tree, NULL, NULL); | |
964 | } | |
965 | ||
966 | ||
967 | ||
968 | void | |
969 | hw_tree_traverse (struct hw *root, | |
970 | hw_tree_traverse_function *prefix, | |
971 | hw_tree_traverse_function *postfix, | |
972 | void *data) | |
973 | { | |
974 | struct hw *child; | |
975 | if (prefix != NULL) | |
976 | prefix (root, data); | |
977 | for (child = hw_child (root); | |
978 | child != NULL; | |
979 | child = hw_sibling (child)) | |
980 | { | |
981 | hw_tree_traverse (child, prefix, postfix, data); | |
982 | } | |
983 | if (postfix != NULL) | |
984 | postfix (root, data); | |
985 | } | |
986 | ||
987 | ||
988 | \f | |
12c4cbd5 MF |
989 | struct printer |
990 | { | |
c906108c SS |
991 | hw_tree_print_callback *print; |
992 | void *file; | |
993 | }; | |
994 | ||
995 | static void | |
996 | print_address (struct hw *bus, | |
997 | const hw_unit *phys, | |
998 | struct printer *p) | |
999 | { | |
1000 | char unit[32]; | |
34b47c38 | 1001 | hw_unit_encode (bus, phys, unit, sizeof (unit)); |
c906108c SS |
1002 | p->print (p->file, " %s", unit); |
1003 | } | |
1004 | ||
1005 | static void | |
1006 | print_size (struct hw *bus, | |
1007 | const hw_unit *size, | |
1008 | struct printer *p) | |
1009 | { | |
1010 | int i; | |
1011 | for (i = 0; i < size->nr_cells; i++) | |
1012 | if (size->cells[i] != 0) | |
1013 | break; | |
12c4cbd5 MF |
1014 | if (i < size->nr_cells) |
1015 | { | |
1016 | p->print (p->file, " 0x%lx", (unsigned long) size->cells[i]); | |
1017 | i++; | |
1018 | for (; i < size->nr_cells; i++) | |
1019 | p->print (p->file, ",0x%lx", (unsigned long) size->cells[i]); | |
1020 | } | |
c906108c SS |
1021 | else |
1022 | p->print (p->file, " 0"); | |
1023 | } | |
1024 | ||
1025 | static void | |
1026 | print_reg_property (struct hw *me, | |
1027 | const struct hw_property *property, | |
1028 | struct printer *p) | |
1029 | { | |
1030 | int reg_nr; | |
1031 | reg_property_spec reg; | |
1032 | for (reg_nr = 0; | |
1033 | hw_find_reg_array_property (me, property->name, reg_nr, ®); | |
12c4cbd5 MF |
1034 | reg_nr++) |
1035 | { | |
1036 | print_address (hw_parent (me), ®.address, p); | |
1037 | print_size (me, ®.size, p); | |
1038 | } | |
c906108c SS |
1039 | } |
1040 | ||
1041 | static void | |
1042 | print_ranges_property (struct hw *me, | |
1043 | const struct hw_property *property, | |
1044 | struct printer *p) | |
1045 | { | |
1046 | int range_nr; | |
1047 | range_property_spec range; | |
1048 | for (range_nr = 0; | |
1049 | hw_find_range_array_property (me, property->name, range_nr, &range); | |
1050 | range_nr++) | |
1051 | { | |
1052 | print_address (me, &range.child_address, p); | |
1053 | print_address (hw_parent (me), &range.parent_address, p); | |
1054 | print_size (me, &range.size, p); | |
1055 | } | |
1056 | } | |
1057 | ||
1058 | static void | |
1059 | print_string (struct hw *me, | |
1060 | const char *string, | |
1061 | struct printer *p) | |
1062 | { | |
1063 | p->print (p->file, " \""); | |
12c4cbd5 MF |
1064 | while (*string != '\0') |
1065 | { | |
1066 | switch (*string) | |
1067 | { | |
1068 | case '"': | |
1069 | p->print (p->file, "\\\""); | |
1070 | break; | |
1071 | case '\\': | |
1072 | p->print (p->file, "\\\\"); | |
1073 | break; | |
1074 | default: | |
1075 | p->print (p->file, "%c", *string); | |
1076 | break; | |
1077 | } | |
1078 | string++; | |
c906108c | 1079 | } |
c906108c SS |
1080 | p->print (p->file, "\""); |
1081 | } | |
1082 | ||
1083 | static void | |
1084 | print_string_array_property (struct hw *me, | |
1085 | const struct hw_property *property, | |
1086 | struct printer *p) | |
1087 | { | |
1088 | int nr; | |
1089 | string_property_spec string; | |
1090 | for (nr = 0; | |
1091 | hw_find_string_array_property (me, property->name, nr, &string); | |
1092 | nr++) | |
1093 | { | |
1094 | print_string (me, string, p); | |
1095 | } | |
1096 | } | |
1097 | ||
1098 | static void | |
1099 | print_properties (struct hw *me, | |
1100 | struct printer *p) | |
1101 | { | |
1102 | const struct hw_property *property; | |
1103 | for (property = hw_find_property (me, NULL); | |
1104 | property != NULL; | |
1105 | property = hw_next_property (property)) | |
1106 | { | |
1107 | if (hw_parent (me) == NULL) | |
1108 | p->print (p->file, "/%s", property->name); | |
1109 | else | |
1110 | p->print (p->file, "%s/%s", hw_path (me), property->name); | |
1111 | if (property->original != NULL) | |
1112 | { | |
1113 | p->print (p->file, " !"); | |
028f6515 | 1114 | p->print (p->file, "%s/%s", |
c906108c SS |
1115 | hw_path (property->original->owner), |
1116 | property->original->name); | |
1117 | } | |
1118 | else | |
1119 | { | |
1120 | switch (property->type) | |
1121 | { | |
1122 | case array_property: | |
1123 | { | |
1124 | if ((property->sizeof_array % sizeof (signed_cell)) == 0) | |
1125 | { | |
1126 | unsigned_cell *w = (unsigned_cell*) property->array; | |
1127 | int cell_nr; | |
1128 | for (cell_nr = 0; | |
1129 | cell_nr < (property->sizeof_array / sizeof (unsigned_cell)); | |
1130 | cell_nr++) | |
1131 | { | |
1132 | p->print (p->file, " 0x%lx", (unsigned long) BE2H_cell (w[cell_nr])); | |
1133 | } | |
1134 | } | |
1135 | else | |
1136 | { | |
1137 | unsigned8 *w = (unsigned8*)property->array; | |
1138 | p->print (p->file, " ["); | |
12c4cbd5 MF |
1139 | while ((char*)w - (char*)property->array < property->sizeof_array) |
1140 | { | |
1141 | p->print (p->file, " 0x%2x", BE2H_1 (*w)); | |
1142 | w++; | |
1143 | } | |
c906108c SS |
1144 | } |
1145 | break; | |
1146 | } | |
1147 | case boolean_property: | |
1148 | { | |
34b47c38 | 1149 | int b = hw_find_boolean_property (me, property->name); |
c906108c SS |
1150 | p->print (p->file, " %s", b ? "true" : "false"); |
1151 | break; | |
1152 | } | |
1153 | #if NOT_YET | |
1154 | case ihandle_property: | |
1155 | { | |
1156 | if (property->array != NULL) | |
1157 | { | |
1158 | device_instance *instance = hw_find_ihandle_property (me, property->name); | |
34b47c38 | 1159 | p->print (p->file, " *%s", device_instance_path (instance)); |
c906108c SS |
1160 | } |
1161 | else | |
1162 | { | |
1163 | /* not yet initialized, ask the device for the path */ | |
1164 | ihandle_runtime_property_spec spec; | |
1165 | hw_find_ihandle_runtime_property (me, property->name, &spec); | |
1166 | p->print (p->file, " *%s", spec.full_path); | |
1167 | } | |
1168 | break; | |
1169 | } | |
1170 | #endif | |
1171 | case integer_property: | |
1172 | { | |
1173 | unsigned_word w = hw_find_integer_property (me, property->name); | |
1174 | p->print (p->file, " 0x%lx", (unsigned long)w); | |
1175 | break; | |
1176 | } | |
1177 | case range_array_property: | |
1178 | { | |
1179 | print_ranges_property (me, property, p); | |
1180 | break; | |
1181 | } | |
1182 | case reg_array_property: | |
1183 | { | |
1184 | print_reg_property (me, property, p); | |
1185 | break; | |
1186 | } | |
1187 | case string_property: | |
1188 | { | |
1189 | const char *s = hw_find_string_property (me, property->name); | |
1190 | print_string (me, s, p); | |
1191 | break; | |
1192 | } | |
1193 | case string_array_property: | |
1194 | { | |
1195 | print_string_array_property (me, property, p); | |
1196 | break; | |
1197 | } | |
1198 | } | |
1199 | } | |
1200 | p->print (p->file, "\n"); | |
1201 | } | |
1202 | } | |
1203 | ||
1204 | static void | |
1205 | print_interrupts (struct hw *me, | |
1206 | int my_port, | |
1207 | struct hw *dest, | |
1208 | int dest_port, | |
1209 | void *data) | |
1210 | { | |
1211 | struct printer *p = data; | |
1212 | char src[32]; | |
1213 | char dst[32]; | |
34b47c38 MF |
1214 | hw_port_encode (me, my_port, src, sizeof (src), output_port); |
1215 | hw_port_encode (dest, dest_port, dst, sizeof (dst), input_port); | |
c906108c SS |
1216 | p->print (p->file, |
1217 | "%s > %s %s %s\n", | |
1218 | hw_path (me), | |
1219 | src, dst, | |
1220 | hw_path (dest)); | |
1221 | } | |
1222 | ||
1223 | static void | |
1224 | print_device (struct hw *me, | |
1225 | void *data) | |
1226 | { | |
1227 | struct printer *p = data; | |
1228 | p->print (p->file, "%s\n", hw_path (me)); | |
1229 | print_properties (me, p); | |
1230 | hw_port_traverse (me, print_interrupts, data); | |
1231 | } | |
1232 | ||
1233 | void | |
1234 | hw_tree_print (struct hw *root, | |
1235 | hw_tree_print_callback *print, | |
1236 | void *file) | |
1237 | { | |
1238 | struct printer p; | |
1239 | p.print = print; | |
1240 | p.file = file; | |
1241 | hw_tree_traverse (root, | |
1242 | print_device, NULL, | |
1243 | &p); | |
1244 | } | |
1245 | ||
1246 | ||
1247 | \f | |
1248 | #if NOT_YET | |
1249 | device_instance * | |
34b47c38 MF |
1250 | tree_instance (struct hw *root, |
1251 | const char *device_specifier) | |
c906108c SS |
1252 | { |
1253 | /* find the device node */ | |
1254 | struct hw *me; | |
1255 | name_specifier spec; | |
34b47c38 | 1256 | if (!split_device_specifier (root, device_specifier, &spec)) |
c906108c | 1257 | return NULL; |
34b47c38 | 1258 | me = split_find_device (root, &spec); |
c906108c SS |
1259 | if (spec.name != NULL) |
1260 | return NULL; | |
1261 | /* create the instance */ | |
34b47c38 | 1262 | return device_create_instance (me, device_specifier, spec.last_args); |
c906108c SS |
1263 | } |
1264 | #endif | |
1265 | ||
1266 | struct hw * | |
1267 | hw_tree_find_device (struct hw *root, | |
1268 | const char *path_to_device) | |
1269 | { | |
1270 | struct hw *node; | |
1271 | name_specifier spec; | |
028f6515 | 1272 | |
c906108c SS |
1273 | /* parse the path */ |
1274 | split_device_specifier (root, path_to_device, &spec); | |
1275 | if (spec.value != NULL) | |
1276 | return NULL; /* something wierd */ | |
028f6515 | 1277 | |
c906108c SS |
1278 | /* now find it */ |
1279 | node = split_find_device (root, &spec); | |
1280 | if (spec.name != NULL) | |
1281 | return NULL; /* not a leaf */ | |
028f6515 | 1282 | |
c906108c SS |
1283 | return node; |
1284 | } | |
1285 | ||
1286 | ||
1287 | const struct hw_property * | |
1288 | hw_tree_find_property (struct hw *root, | |
1289 | const char *path_to_property) | |
1290 | { | |
1291 | name_specifier spec; | |
1292 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1293 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1294 | root = split_find_device (root, &spec); | |
1295 | if (spec.name != NULL) | |
1296 | return NULL; /* not a leaf */ | |
1297 | return hw_find_property (root, spec.property); | |
1298 | } | |
1299 | ||
1300 | int | |
1301 | hw_tree_find_boolean_property (struct hw *root, | |
1302 | const char *path_to_property) | |
1303 | { | |
1304 | name_specifier spec; | |
1305 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1306 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1307 | root = split_find_device (root, &spec); | |
1308 | if (spec.name != NULL) | |
1309 | hw_abort (root, "device \"%s\" not found (property \"%s\")", | |
1310 | spec.name, path_to_property); | |
1311 | return hw_find_boolean_property (root, spec.property); | |
1312 | } | |
1313 | ||
1314 | signed_cell | |
1315 | hw_tree_find_integer_property (struct hw *root, | |
1316 | const char *path_to_property) | |
1317 | { | |
1318 | name_specifier spec; | |
1319 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1320 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1321 | root = split_find_device (root, &spec); | |
1322 | if (spec.name != NULL) | |
1323 | hw_abort (root, "device \"%s\" not found (property \"%s\")", | |
1324 | spec.name, path_to_property); | |
1325 | return hw_find_integer_property (root, spec.property); | |
1326 | } | |
1327 | ||
1328 | #if NOT_YET | |
1329 | device_instance * | |
1330 | hw_tree_find_ihandle_property (struct hw *root, | |
1331 | const char *path_to_property) | |
1332 | { | |
1333 | struct hw *root; | |
1334 | name_specifier spec; | |
1335 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1336 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1337 | root = split_find_device (root, &spec); | |
1338 | if (spec.name != NULL) | |
1339 | hw_abort (root, "device \"%s\" not found (property \"%s\")", | |
1340 | spec.name, path_to_property); | |
1341 | return hw_find_ihandle_property (root, spec.property); | |
1342 | } | |
1343 | #endif | |
1344 | ||
1345 | const char * | |
1346 | hw_tree_find_string_property (struct hw *root, | |
1347 | const char *path_to_property) | |
1348 | { | |
1349 | name_specifier spec; | |
1350 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1351 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1352 | root = split_find_device (root, &spec); | |
1353 | if (spec.name != NULL) | |
1354 | hw_abort (root, "device \"%s\" not found (property \"%s\")", | |
1355 | spec.name, path_to_property); | |
1356 | return hw_find_string_property (root, spec.property); | |
1357 | } |