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b85e4829 AC |
1 | /* The common simulator framework for GDB, the GNU Debugger. |
2 | ||
213516ef | 3 | Copyright 2002-2023 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 | |
6df01ab8 MF |
22 | /* This must come before any other includes. */ |
23 | #include "defs.h" | |
c906108c | 24 | |
20a8e078 | 25 | #include <ctype.h> |
2c29882f | 26 | #include <stdarg.h> |
20a8e078 MF |
27 | #include <stdlib.h> |
28 | #include <string.h> | |
29 | ||
c906108c SS |
30 | #include "hw-main.h" |
31 | #include "hw-base.h" | |
32 | #include "hw-tree.h" | |
33 | ||
c2c6d25f | 34 | #include "sim-io.h" |
c906108c SS |
35 | #include "sim-assert.h" |
36 | ||
c906108c SS |
37 | /* manipulate/lookup device names */ |
38 | ||
12c4cbd5 MF |
39 | typedef struct _name_specifier |
40 | { | |
028f6515 | 41 | |
c906108c SS |
42 | /* components in the full length name */ |
43 | char *path; | |
44 | char *property; | |
45 | char *value; | |
028f6515 | 46 | |
c906108c SS |
47 | /* current device */ |
48 | char *family; | |
49 | char *name; | |
50 | char *unit; | |
51 | char *args; | |
028f6515 | 52 | |
c906108c SS |
53 | /* previous device */ |
54 | char *last_name; | |
55 | char *last_family; | |
56 | char *last_unit; | |
57 | char *last_args; | |
028f6515 | 58 | |
c906108c SS |
59 | /* work area */ |
60 | char buf[1024]; | |
028f6515 | 61 | |
c906108c SS |
62 | } name_specifier; |
63 | ||
64 | ||
65 | ||
66 | /* Given a device specifier, break it up into its main components: | |
67 | path (and if present) property name and property value. */ | |
68 | ||
69 | static int | |
70 | split_device_specifier (struct hw *current, | |
71 | const char *device_specifier, | |
72 | name_specifier *spec) | |
73 | { | |
74 | char *chp = NULL; | |
028f6515 | 75 | |
c906108c SS |
76 | /* expand any leading alias if present */ |
77 | if (current != NULL | |
78 | && *device_specifier != '\0' | |
79 | && *device_specifier != '.' | |
80 | && *device_specifier != '/') | |
81 | { | |
82 | struct hw *aliases = hw_tree_find_device (current, "/aliases"); | |
83 | char alias[32]; | |
84 | int len = 0; | |
85 | while (device_specifier[len] != '\0' | |
86 | && device_specifier[len] != '/' | |
87 | && device_specifier[len] != ':' | |
88 | && !isspace (device_specifier[len])) | |
89 | { | |
90 | alias[len] = device_specifier[len]; | |
91 | len++; | |
34b47c38 | 92 | if (len >= sizeof (alias)) |
c906108c SS |
93 | hw_abort (NULL, "split_device_specifier: buffer overflow"); |
94 | } | |
95 | alias[len] = '\0'; | |
96 | if (aliases != NULL | |
97 | && hw_find_property (aliases, alias)) | |
98 | { | |
34b47c38 | 99 | strcpy (spec->buf, hw_find_string_property (aliases, alias)); |
c906108c SS |
100 | strcat (spec->buf, device_specifier + len); |
101 | } | |
102 | else | |
103 | { | |
104 | strcpy (spec->buf, device_specifier); | |
105 | } | |
106 | } | |
107 | else | |
108 | { | |
34b47c38 | 109 | strcpy (spec->buf, device_specifier); |
c906108c | 110 | } |
028f6515 | 111 | |
c906108c | 112 | /* check no overflow */ |
34b47c38 | 113 | if (strlen (spec->buf) >= sizeof (spec->buf)) |
c906108c | 114 | hw_abort (NULL, "split_device_specifier: buffer overflow\n"); |
028f6515 | 115 | |
c906108c SS |
116 | /* strip leading spaces */ |
117 | chp = spec->buf; | |
34b47c38 | 118 | while (*chp != '\0' && isspace (*chp)) |
c906108c SS |
119 | chp++; |
120 | if (*chp == '\0') | |
121 | return 0; | |
028f6515 | 122 | |
c906108c SS |
123 | /* find the path and terminate it with null */ |
124 | spec->path = chp; | |
34b47c38 | 125 | while (*chp != '\0' && !isspace (*chp)) |
c906108c SS |
126 | chp++; |
127 | if (*chp != '\0') | |
128 | { | |
129 | *chp = '\0'; | |
130 | chp++; | |
131 | } | |
028f6515 | 132 | |
c906108c | 133 | /* and any value */ |
34b47c38 | 134 | while (*chp != '\0' && isspace (*chp)) |
c906108c SS |
135 | chp++; |
136 | spec->value = chp; | |
028f6515 | 137 | |
c906108c SS |
138 | /* now go back and chop the property off of the path */ |
139 | if (spec->value[0] == '\0') | |
140 | { | |
141 | spec->property = NULL; /*not a property*/ | |
142 | spec->value = NULL; | |
143 | } | |
144 | else if (spec->value[0] == '>' | |
145 | || spec->value[0] == '<') | |
146 | { | |
147 | /* an interrupt spec */ | |
148 | spec->property = NULL; | |
149 | } | |
12c4cbd5 MF |
150 | else |
151 | { | |
34b47c38 | 152 | chp = strrchr (spec->path, '/'); |
12c4cbd5 MF |
153 | if (chp == NULL) |
154 | { | |
155 | spec->property = spec->path; | |
34b47c38 | 156 | spec->path = strchr (spec->property, '\0'); |
12c4cbd5 MF |
157 | } |
158 | else | |
159 | { | |
160 | *chp = '\0'; | |
161 | spec->property = chp+1; | |
162 | } | |
c906108c | 163 | } |
028f6515 | 164 | |
c906108c SS |
165 | /* and mark the rest as invalid */ |
166 | spec->name = NULL; | |
167 | spec->family = NULL; | |
168 | spec->unit = NULL; | |
169 | spec->args = NULL; | |
170 | spec->last_name = NULL; | |
171 | spec->last_family = NULL; | |
172 | spec->last_unit = NULL; | |
173 | spec->last_args = NULL; | |
028f6515 | 174 | |
c906108c SS |
175 | return 1; |
176 | } | |
177 | ||
178 | ||
179 | /* given a device specifier break it up into its main components - | |
180 | path and property name - assuming that the last `device' is a | |
181 | property name. */ | |
182 | ||
183 | static int | |
184 | split_property_specifier (struct hw *current, | |
185 | const char *property_specifier, | |
186 | name_specifier *spec) | |
187 | { | |
188 | if (split_device_specifier (current, property_specifier, spec)) | |
189 | { | |
190 | if (spec->property == NULL) | |
191 | { | |
192 | /* force the last name to be a property name */ | |
193 | char *chp = strrchr (spec->path, '/'); | |
194 | if (chp == NULL) | |
195 | { | |
196 | spec->property = spec->path; | |
197 | spec->path = strrchr (spec->property, '\0');; | |
198 | } | |
199 | else | |
200 | { | |
201 | *chp = '\0'; | |
202 | spec->property = chp + 1; | |
203 | } | |
204 | } | |
205 | return 1; | |
206 | } | |
207 | else | |
208 | return 0; | |
209 | } | |
210 | ||
211 | ||
212 | /* device the next device name and split it up, return 0 when no more | |
213 | names to struct hw */ | |
214 | ||
215 | static int | |
216 | split_device_name (name_specifier *spec) | |
217 | { | |
218 | char *chp; | |
219 | /* remember what came before */ | |
220 | spec->last_name = spec->name; | |
221 | spec->last_family = spec->family; | |
222 | spec->last_unit = spec->unit; | |
223 | spec->last_args = spec->args; | |
224 | /* finished? */ | |
225 | if (spec->path[0] == '\0') | |
226 | { | |
227 | spec->name = NULL; | |
228 | spec->family = NULL; | |
229 | spec->unit = NULL; | |
230 | spec->args = NULL; | |
231 | return 0; | |
232 | } | |
233 | /* break the current device spec from the path */ | |
234 | spec->name = spec->path; | |
235 | chp = strchr (spec->name, '/'); | |
236 | if (chp == NULL) | |
237 | spec->path = strchr (spec->name, '\0'); | |
028f6515 | 238 | else |
c906108c SS |
239 | { |
240 | spec->path = chp+1; | |
241 | *chp = '\0'; | |
242 | } | |
243 | /* break out the base */ | |
244 | if (spec->name[0] == '(') | |
245 | { | |
34b47c38 | 246 | chp = strchr (spec->name, ')'); |
c906108c SS |
247 | if (chp == NULL) |
248 | { | |
249 | spec->family = spec->name; | |
250 | } | |
251 | else | |
252 | { | |
253 | *chp = '\0'; | |
254 | spec->family = spec->name + 1; | |
255 | spec->name = chp + 1; | |
256 | } | |
257 | } | |
258 | else | |
259 | { | |
260 | spec->family = spec->name; | |
261 | } | |
262 | /* now break out the unit */ | |
34b47c38 | 263 | chp = strchr (spec->name, '@'); |
c906108c SS |
264 | if (chp == NULL) |
265 | { | |
266 | spec->unit = NULL; | |
267 | chp = spec->name; | |
268 | } | |
269 | else | |
270 | { | |
271 | *chp = '\0'; | |
272 | chp += 1; | |
273 | spec->unit = chp; | |
274 | } | |
275 | /* finally any args */ | |
34b47c38 | 276 | chp = strchr (chp, ':'); |
c906108c SS |
277 | if (chp == NULL) |
278 | spec->args = NULL; | |
279 | else | |
280 | { | |
281 | *chp = '\0'; | |
282 | spec->args = chp+1; | |
283 | } | |
284 | return 1; | |
285 | } | |
286 | ||
287 | ||
288 | /* device the value, returning the next non-space token */ | |
289 | ||
290 | static char * | |
291 | split_value (name_specifier *spec) | |
292 | { | |
293 | char *token; | |
294 | if (spec->value == NULL) | |
295 | return NULL; | |
296 | /* skip leading white space */ | |
297 | while (isspace (spec->value[0])) | |
298 | spec->value++; | |
299 | if (spec->value[0] == '\0') | |
300 | { | |
301 | spec->value = NULL; | |
302 | return NULL; | |
303 | } | |
304 | token = spec->value; | |
305 | /* find trailing space */ | |
306 | while (spec->value[0] != '\0' && !isspace (spec->value[0])) | |
307 | spec->value++; | |
308 | /* chop this value out */ | |
309 | if (spec->value[0] != '\0') | |
310 | { | |
311 | spec->value[0] = '\0'; | |
312 | spec->value++; | |
313 | } | |
314 | return token; | |
315 | } | |
316 | ||
317 | ||
318 | ||
319 | /* traverse the path specified by spec starting at current */ | |
320 | ||
321 | static struct hw * | |
322 | split_find_device (struct hw *current, | |
323 | name_specifier *spec) | |
324 | { | |
325 | /* strip off (and process) any leading ., .., ./ and / */ | |
326 | while (1) | |
327 | { | |
328 | if (strncmp (spec->path, "/", strlen ("/")) == 0) | |
329 | { | |
330 | /* cd /... */ | |
331 | while (current != NULL && hw_parent (current) != NULL) | |
332 | current = hw_parent (current); | |
333 | spec->path += strlen ("/"); | |
334 | } | |
335 | else if (strncmp (spec->path, "./", strlen ("./")) == 0) | |
336 | { | |
337 | /* cd ./... */ | |
c906108c SS |
338 | spec->path += strlen ("./"); |
339 | } | |
340 | else if (strncmp (spec->path, "../", strlen ("../")) == 0) | |
341 | { | |
342 | /* cd ../... */ | |
343 | if (current != NULL && hw_parent (current) != NULL) | |
344 | current = hw_parent (current); | |
345 | spec->path += strlen ("../"); | |
346 | } | |
347 | else if (strcmp (spec->path, ".") == 0) | |
348 | { | |
349 | /* cd . */ | |
c906108c SS |
350 | spec->path += strlen ("."); |
351 | } | |
352 | else if (strcmp (spec->path, "..") == 0) | |
353 | { | |
354 | /* cd .. */ | |
355 | if (current != NULL && hw_parent (current) != NULL) | |
356 | current = hw_parent (current); | |
357 | spec->path += strlen (".."); | |
358 | } | |
359 | else | |
360 | break; | |
361 | } | |
028f6515 | 362 | |
c906108c | 363 | /* now go through the path proper */ |
028f6515 | 364 | |
c906108c SS |
365 | if (current == NULL) |
366 | { | |
367 | split_device_name (spec); | |
368 | return NULL; | |
369 | } | |
028f6515 | 370 | |
c906108c SS |
371 | while (split_device_name (spec)) |
372 | { | |
373 | struct hw *child; | |
374 | for (child = hw_child (current); | |
375 | child != NULL; child = hw_sibling (child)) | |
376 | { | |
377 | if (strcmp (spec->name, hw_name (child)) == 0) | |
378 | { | |
379 | if (spec->unit == NULL) | |
380 | break; | |
381 | else | |
382 | { | |
383 | hw_unit phys; | |
384 | hw_unit_decode (current, spec->unit, &phys); | |
385 | if (memcmp (&phys, hw_unit_address (child), | |
386 | sizeof (hw_unit)) == 0) | |
387 | break; | |
388 | } | |
389 | } | |
390 | } | |
391 | if (child == NULL) | |
392 | return current; /* search failed */ | |
393 | current = child; | |
394 | } | |
028f6515 | 395 | |
c906108c SS |
396 | return current; |
397 | } | |
398 | ||
399 | ||
400 | static struct hw * | |
401 | split_fill_path (struct hw *current, | |
402 | const char *device_specifier, | |
403 | name_specifier *spec) | |
404 | { | |
405 | /* break it up */ | |
406 | if (!split_device_specifier (current, device_specifier, spec)) | |
407 | hw_abort (current, "error parsing %s\n", device_specifier); | |
028f6515 | 408 | |
c906108c SS |
409 | /* fill our tree with its contents */ |
410 | current = split_find_device (current, spec); | |
028f6515 | 411 | |
c906108c SS |
412 | /* add any additional devices as needed */ |
413 | if (spec->name != NULL) | |
414 | { | |
415 | do | |
416 | { | |
417 | if (current != NULL && !hw_finished_p (current)) | |
418 | hw_finish (current); | |
419 | current = hw_create (NULL, | |
420 | current, | |
421 | spec->family, | |
422 | spec->name, | |
423 | spec->unit, | |
424 | spec->args); | |
425 | } | |
426 | while (split_device_name (spec)); | |
427 | } | |
028f6515 | 428 | |
c906108c SS |
429 | return current; |
430 | } | |
431 | ||
432 | \f | |
433 | /* <non-white-space> */ | |
434 | ||
435 | static const char * | |
34b47c38 | 436 | skip_token (const char *chp) |
c906108c | 437 | { |
34b47c38 | 438 | while (!isspace (*chp) && *chp != '\0') |
c906108c | 439 | chp++; |
34b47c38 | 440 | while (isspace (*chp) && *chp != '\0') |
c906108c SS |
441 | chp++; |
442 | return chp; | |
443 | } | |
444 | ||
445 | ||
446 | /* count the number of entries */ | |
447 | ||
448 | static int | |
449 | count_entries (struct hw *current, | |
450 | const char *property_name, | |
451 | const char *property_value, | |
452 | int modulo) | |
453 | { | |
454 | const char *chp = property_value; | |
455 | int nr_entries = 0; | |
456 | while (*chp != '\0') | |
457 | { | |
458 | nr_entries += 1; | |
459 | chp = skip_token (chp); | |
460 | } | |
461 | if ((nr_entries % modulo) != 0) | |
462 | { | |
463 | hw_abort (current, "incorrect number of entries for %s property %s, should be multiple of %d", | |
464 | property_name, property_value, modulo); | |
465 | } | |
466 | return nr_entries / modulo; | |
467 | } | |
468 | ||
469 | ||
470 | ||
471 | /* parse: <address> ::= <token> ; device dependant */ | |
472 | ||
473 | static const char * | |
474 | parse_address (struct hw *current, | |
475 | struct hw *bus, | |
476 | const char *chp, | |
477 | hw_unit *address) | |
478 | { | |
479 | if (hw_unit_decode (bus, chp, address) < 0) | |
480 | hw_abort (current, "invalid unit address in %s", chp); | |
481 | return skip_token (chp); | |
482 | } | |
483 | ||
484 | ||
485 | /* parse: <size> ::= <number> { "," <number> } ; */ | |
486 | ||
487 | static const char * | |
488 | parse_size (struct hw *current, | |
489 | struct hw *bus, | |
490 | const char *chp, | |
491 | hw_unit *size) | |
492 | { | |
493 | int i; | |
494 | int nr; | |
495 | const char *curr = chp; | |
34b47c38 | 496 | memset (size, 0, sizeof (*size)); |
c906108c SS |
497 | /* parse the numeric list */ |
498 | size->nr_cells = hw_unit_nr_size_cells (bus); | |
499 | nr = 0; | |
500 | while (1) | |
501 | { | |
502 | char *next; | |
503 | size->cells[nr] = strtoul (curr, &next, 0); | |
504 | if (curr == next) | |
505 | hw_abort (current, "Problem parsing <size> %s", chp); | |
506 | nr += 1; | |
507 | if (next[0] != ',') | |
508 | break; | |
509 | if (nr == size->nr_cells) | |
510 | hw_abort (current, "Too many values in <size> %s", chp); | |
511 | curr = next + 1; | |
512 | } | |
513 | ASSERT (nr > 0 && nr <= size->nr_cells); | |
514 | /* right align the numbers */ | |
515 | for (i = 1; i <= size->nr_cells; i++) | |
516 | { | |
517 | if (i <= nr) | |
518 | size->cells[size->nr_cells - i] = size->cells[nr - i]; | |
519 | else | |
520 | size->cells[size->nr_cells - i] = 0; | |
521 | } | |
522 | return skip_token (chp); | |
523 | } | |
524 | ||
525 | ||
526 | /* parse: <reg> ::= { <address> <size> } ; */ | |
527 | ||
528 | static void | |
529 | parse_reg_property (struct hw *current, | |
530 | const char *property_name, | |
531 | const char *property_value) | |
532 | { | |
533 | int nr_regs; | |
534 | int reg_nr; | |
535 | reg_property_spec *regs; | |
536 | const char *chp; | |
028f6515 | 537 | |
c906108c SS |
538 | /* determine the number of reg entries by counting tokens */ |
539 | nr_regs = count_entries (current, property_name, property_value, 2); | |
028f6515 | 540 | |
c906108c SS |
541 | /* create working space */ |
542 | regs = zalloc (nr_regs * sizeof (*regs)); | |
028f6515 | 543 | |
c906108c SS |
544 | /* fill it in */ |
545 | chp = property_value; | |
546 | for (reg_nr = 0; reg_nr < nr_regs; reg_nr++) | |
547 | { | |
34b47c38 | 548 | chp = parse_address (current, hw_parent (current), |
c906108c | 549 | chp, ®s[reg_nr].address); |
34b47c38 | 550 | chp = parse_size (current, hw_parent (current), |
c906108c SS |
551 | chp, ®s[reg_nr].size); |
552 | } | |
028f6515 | 553 | |
c906108c SS |
554 | /* create it */ |
555 | hw_add_reg_array_property (current, property_name, | |
556 | regs, nr_regs); | |
028f6515 | 557 | |
d79fe0d6 | 558 | free (regs); |
c906108c SS |
559 | } |
560 | ||
561 | ||
562 | /* { <child-address> <parent-address> <child-size> }* */ | |
563 | ||
564 | static void | |
565 | parse_ranges_property (struct hw *current, | |
566 | const char *property_name, | |
567 | const char *property_value) | |
568 | { | |
569 | int nr_ranges; | |
570 | int range_nr; | |
571 | range_property_spec *ranges; | |
572 | const char *chp; | |
028f6515 | 573 | |
c906108c SS |
574 | /* determine the number of ranges specified */ |
575 | nr_ranges = count_entries (current, property_name, property_value, 3); | |
028f6515 | 576 | |
c906108c | 577 | /* create a property of that size */ |
34b47c38 | 578 | ranges = zalloc (nr_ranges * sizeof (*ranges)); |
028f6515 | 579 | |
c906108c SS |
580 | /* fill it in */ |
581 | chp = property_value; | |
582 | for (range_nr = 0; range_nr < nr_ranges; range_nr++) | |
583 | { | |
584 | chp = parse_address (current, current, | |
585 | chp, &ranges[range_nr].child_address); | |
34b47c38 | 586 | chp = parse_address (current, hw_parent (current), |
c906108c SS |
587 | chp, &ranges[range_nr].parent_address); |
588 | chp = parse_size (current, current, | |
589 | chp, &ranges[range_nr].size); | |
590 | } | |
028f6515 | 591 | |
c906108c SS |
592 | /* create it */ |
593 | hw_add_range_array_property (current, property_name, ranges, nr_ranges); | |
028f6515 | 594 | |
d79fe0d6 | 595 | free (ranges); |
c906108c SS |
596 | } |
597 | ||
598 | ||
599 | /* <integer> ... */ | |
600 | ||
601 | static void | |
602 | parse_integer_property (struct hw *current, | |
603 | const char *property_name, | |
604 | const char *property_value) | |
605 | { | |
606 | int nr_entries; | |
607 | unsigned_cell words[1024]; | |
608 | /* integer or integer array? */ | |
609 | nr_entries = 0; | |
610 | while (1) | |
611 | { | |
612 | char *end; | |
613 | words[nr_entries] = strtoul (property_value, &end, 0); | |
614 | if (property_value == end) | |
615 | break; | |
616 | nr_entries += 1; | |
617 | if (nr_entries * sizeof (words[0]) >= sizeof (words)) | |
618 | hw_abort (current, "buffer overflow"); | |
619 | property_value = end; | |
620 | } | |
621 | if (nr_entries == 0) | |
622 | hw_abort (current, "error parsing integer property %s (%s)", | |
623 | property_name, property_value); | |
624 | else if (nr_entries == 1) | |
625 | hw_add_integer_property (current, property_name, words[0]); | |
626 | else | |
627 | { | |
628 | int i; | |
629 | for (i = 0; i < nr_entries; i++) | |
630 | { | |
631 | H2BE (words[i]); | |
632 | } | |
109d3db3 | 633 | /* perhaps integer array property is better */ |
c906108c | 634 | hw_add_array_property (current, property_name, words, |
34b47c38 | 635 | sizeof (words[0]) * nr_entries); |
c906108c SS |
636 | } |
637 | } | |
638 | ||
639 | ||
640 | /* <string> ... */ | |
641 | ||
642 | static void | |
643 | parse_string_property (struct hw *current, | |
644 | const char *property_name, | |
645 | const char *property_value) | |
646 | { | |
647 | char **strings; | |
648 | const char *chp; | |
649 | int nr_strings; | |
650 | int approx_nr_strings; | |
028f6515 | 651 | |
c906108c SS |
652 | /* get an estimate as to the number of strings by counting double |
653 | quotes */ | |
654 | approx_nr_strings = 2; | |
655 | for (chp = property_value; *chp; chp++) | |
656 | { | |
657 | if (*chp == '"') | |
658 | approx_nr_strings++; | |
659 | } | |
660 | approx_nr_strings = (approx_nr_strings) / 2; | |
028f6515 | 661 | |
c906108c | 662 | /* create a string buffer for that many (plus a null) */ |
34b47c38 | 663 | strings = (char**) zalloc ((approx_nr_strings + 1) * sizeof (char*)); |
028f6515 | 664 | |
c906108c SS |
665 | /* now find all the strings */ |
666 | chp = property_value; | |
667 | nr_strings = 0; | |
668 | while (1) | |
669 | { | |
028f6515 | 670 | |
c906108c SS |
671 | /* skip leading space */ |
672 | while (*chp != '\0' && isspace (*chp)) | |
673 | chp += 1; | |
674 | if (*chp == '\0') | |
675 | break; | |
028f6515 | 676 | |
c906108c SS |
677 | /* copy it in */ |
678 | if (*chp == '"') | |
679 | { | |
6439295f | 680 | /* a quoted string - watch for '\' et al. */ |
c906108c SS |
681 | /* estimate the size and allocate space for it */ |
682 | int pos; | |
683 | chp++; | |
684 | pos = 0; | |
685 | while (chp[pos] != '\0' && chp[pos] != '"') | |
686 | { | |
687 | if (chp[pos] == '\\' && chp[pos+1] != '\0') | |
688 | pos += 2; | |
689 | else | |
690 | pos += 1; | |
691 | } | |
692 | strings[nr_strings] = zalloc (pos + 1); | |
693 | /* copy the string over */ | |
694 | pos = 0; | |
695 | while (*chp != '\0' && *chp != '"') | |
696 | { | |
12c4cbd5 MF |
697 | if (*chp == '\\' && *(chp+1) != '\0') |
698 | { | |
699 | strings[nr_strings][pos] = *(chp+1); | |
700 | chp += 2; | |
701 | pos++; | |
702 | } | |
c906108c SS |
703 | else |
704 | { | |
705 | strings[nr_strings][pos] = *chp; | |
706 | chp += 1; | |
707 | pos++; | |
708 | } | |
709 | } | |
710 | if (*chp != '\0') | |
711 | chp++; | |
712 | strings[nr_strings][pos] = '\0'; | |
713 | } | |
714 | else | |
715 | { | |
716 | /* copy over a single unquoted token */ | |
717 | int len = 0; | |
34b47c38 | 718 | while (chp[len] != '\0' && !isspace (chp[len])) |
c906108c | 719 | len++; |
34b47c38 MF |
720 | strings[nr_strings] = zalloc (len + 1); |
721 | strncpy (strings[nr_strings], chp, len); | |
c906108c SS |
722 | strings[nr_strings][len] = '\0'; |
723 | chp += len; | |
724 | } | |
725 | nr_strings++; | |
726 | if (nr_strings > approx_nr_strings) | |
727 | hw_abort (current, "String property %s badly formatted", | |
728 | property_name); | |
729 | } | |
730 | ASSERT (strings[nr_strings] == NULL); /* from zalloc */ | |
028f6515 | 731 | |
c906108c SS |
732 | /* install it */ |
733 | if (nr_strings == 0) | |
734 | hw_add_string_property (current, property_name, ""); | |
735 | else if (nr_strings == 1) | |
736 | hw_add_string_property (current, property_name, strings[0]); | |
737 | else | |
738 | { | |
739 | const char **specs = (const char**) strings; /* stop a bogus error */ | |
740 | hw_add_string_array_property (current, property_name, | |
741 | specs, nr_strings); | |
742 | } | |
028f6515 | 743 | |
c906108c SS |
744 | /* flush the created string */ |
745 | while (nr_strings > 0) | |
746 | { | |
747 | nr_strings--; | |
d79fe0d6 | 748 | free (strings[nr_strings]); |
c906108c | 749 | } |
34b47c38 | 750 | free (strings); |
c906108c SS |
751 | } |
752 | ||
753 | ||
754 | /* <path-to-ihandle-device> */ | |
755 | ||
756 | #if NOT_YET | |
757 | static void | |
758 | parse_ihandle_property (struct hw *current, | |
759 | const char *property, | |
760 | const char *value) | |
761 | { | |
762 | ihandle_runtime_property_spec ihandle; | |
028f6515 | 763 | |
c906108c SS |
764 | /* pass the full path */ |
765 | ihandle.full_path = value; | |
028f6515 | 766 | |
c906108c SS |
767 | /* save this ready for the ihandle create */ |
768 | hw_add_ihandle_runtime_property (current, property, | |
769 | &ihandle); | |
770 | } | |
771 | #endif | |
772 | ||
773 | ||
774 | struct hw * | |
775 | hw_tree_create (SIM_DESC sd, | |
776 | const char *family) | |
777 | { | |
778 | return hw_create (sd, NULL, family, family, NULL, NULL); | |
779 | } | |
780 | ||
781 | void | |
782 | hw_tree_delete (struct hw *me) | |
783 | { | |
784 | /* Need to allow devices to disapear under our feet */ | |
785 | while (hw_child (me) != NULL) | |
786 | { | |
787 | hw_tree_delete (hw_child (me)); | |
788 | } | |
789 | hw_delete (me); | |
790 | } | |
791 | ||
792 | ||
793 | struct hw * | |
794 | hw_tree_parse (struct hw *current, | |
795 | const char *fmt, | |
796 | ...) | |
797 | { | |
798 | va_list ap; | |
799 | va_start (ap, fmt); | |
800 | current = hw_tree_vparse (current, fmt, ap); | |
801 | va_end (ap); | |
802 | return current; | |
803 | } | |
028f6515 | 804 | |
c906108c SS |
805 | struct hw * |
806 | hw_tree_vparse (struct hw *current, | |
807 | const char *fmt, | |
808 | va_list ap) | |
809 | { | |
810 | char device_specifier[1024]; | |
811 | name_specifier spec; | |
028f6515 | 812 | |
c906108c SS |
813 | /* format the path */ |
814 | vsprintf (device_specifier, fmt, ap); | |
815 | if (strlen (device_specifier) >= sizeof (device_specifier)) | |
816 | hw_abort (NULL, "device_tree_add_deviced: buffer overflow\n"); | |
028f6515 | 817 | |
c906108c SS |
818 | /* construct the tree down to the final struct hw */ |
819 | current = split_fill_path (current, device_specifier, &spec); | |
028f6515 | 820 | |
c906108c SS |
821 | /* is there an interrupt spec */ |
822 | if (spec.property == NULL | |
823 | && spec.value != NULL) | |
824 | { | |
825 | char *op = split_value (&spec); | |
826 | switch (op[0]) | |
827 | { | |
828 | case '>': | |
829 | { | |
830 | char *my_port_name = split_value (&spec); | |
831 | int my_port; | |
832 | char *dest_port_name = split_value (&spec); | |
833 | int dest_port; | |
834 | name_specifier dest_spec; | |
835 | char *dest_hw_name = split_value (&spec); | |
836 | struct hw *dest; | |
837 | /* find my name */ | |
838 | if (!hw_finished_p (current)) | |
839 | hw_finish (current); | |
840 | my_port = hw_port_decode (current, my_port_name, output_port); | |
841 | /* find the dest device and port */ | |
842 | dest = split_fill_path (current, dest_hw_name, &dest_spec); | |
843 | if (!hw_finished_p (dest)) | |
844 | hw_finish (dest); | |
845 | dest_port = hw_port_decode (dest, dest_port_name, | |
846 | input_port); | |
847 | /* connect the two */ | |
848 | hw_port_attach (current, | |
849 | my_port, | |
850 | dest, | |
851 | dest_port, | |
852 | permenant_object); | |
853 | break; | |
854 | } | |
855 | default: | |
856 | hw_abort (current, "unreconised interrupt spec %s\n", spec.value); | |
857 | break; | |
858 | } | |
859 | } | |
028f6515 | 860 | |
c906108c SS |
861 | /* is there a property */ |
862 | if (spec.property != NULL) | |
863 | { | |
864 | if (strcmp (spec.value, "true") == 0) | |
865 | hw_add_boolean_property (current, spec.property, 1); | |
866 | else if (strcmp (spec.value, "false") == 0) | |
867 | hw_add_boolean_property (current, spec.property, 0); | |
868 | else | |
869 | { | |
870 | const struct hw_property *property; | |
871 | switch (spec.value[0]) | |
872 | { | |
873 | #if NOT_YET | |
874 | case '*': | |
875 | { | |
876 | parse_ihandle_property (current, spec.property, spec.value + 1); | |
877 | break; | |
878 | } | |
879 | #endif | |
880 | case '[': | |
881 | { | |
e4c803f5 | 882 | uint8_t words[1024]; |
c906108c SS |
883 | char *curr = spec.value + 1; |
884 | int nr_words = 0; | |
885 | while (1) | |
886 | { | |
887 | char *next; | |
888 | words[nr_words] = H2BE_1 (strtoul (curr, &next, 0)); | |
889 | if (curr == next) | |
890 | break; | |
891 | curr = next; | |
892 | nr_words += 1; | |
893 | } | |
894 | hw_add_array_property (current, spec.property, | |
34b47c38 | 895 | words, sizeof (words[0]) * nr_words); |
c906108c SS |
896 | break; |
897 | } | |
898 | case '"': | |
899 | { | |
900 | parse_string_property (current, spec.property, spec.value); | |
901 | break; | |
902 | } | |
903 | case '!': | |
904 | { | |
905 | spec.value++; | |
906 | property = hw_tree_find_property (current, spec.value); | |
907 | if (property == NULL) | |
908 | hw_abort (current, "property %s not found\n", spec.value); | |
909 | hw_add_duplicate_property (current, | |
910 | spec.property, | |
911 | property); | |
912 | break; | |
913 | } | |
914 | default: | |
915 | { | |
916 | if (strcmp (spec.property, "reg") == 0 | |
917 | || strcmp (spec.property, "assigned-addresses") == 0 | |
918 | || strcmp (spec.property, "alternate-reg") == 0) | |
919 | { | |
920 | parse_reg_property (current, spec.property, spec.value); | |
921 | } | |
922 | else if (strcmp (spec.property, "ranges") == 0) | |
923 | { | |
924 | parse_ranges_property (current, spec.property, spec.value); | |
925 | } | |
34b47c38 MF |
926 | else if (isdigit (spec.value[0]) |
927 | || (spec.value[0] == '-' && isdigit (spec.value[1])) | |
928 | || (spec.value[0] == '+' && isdigit (spec.value[1]))) | |
c906108c | 929 | { |
34b47c38 | 930 | parse_integer_property (current, spec.property, spec.value); |
c906108c SS |
931 | } |
932 | else | |
34b47c38 | 933 | parse_string_property (current, spec.property, spec.value); |
c906108c SS |
934 | break; |
935 | } | |
936 | } | |
937 | } | |
938 | } | |
939 | return current; | |
940 | } | |
941 | ||
942 | ||
943 | static void | |
944 | finish_hw_tree (struct hw *me, | |
945 | void *data) | |
946 | { | |
947 | if (!hw_finished_p (me)) | |
948 | hw_finish (me); | |
949 | } | |
950 | ||
951 | void | |
952 | hw_tree_finish (struct hw *root) | |
953 | { | |
954 | hw_tree_traverse (root, finish_hw_tree, NULL, NULL); | |
955 | } | |
956 | ||
957 | ||
958 | ||
959 | void | |
960 | hw_tree_traverse (struct hw *root, | |
961 | hw_tree_traverse_function *prefix, | |
962 | hw_tree_traverse_function *postfix, | |
963 | void *data) | |
964 | { | |
965 | struct hw *child; | |
966 | if (prefix != NULL) | |
967 | prefix (root, data); | |
968 | for (child = hw_child (root); | |
969 | child != NULL; | |
970 | child = hw_sibling (child)) | |
971 | { | |
972 | hw_tree_traverse (child, prefix, postfix, data); | |
973 | } | |
974 | if (postfix != NULL) | |
975 | postfix (root, data); | |
976 | } | |
977 | ||
978 | ||
979 | \f | |
12c4cbd5 MF |
980 | struct printer |
981 | { | |
c906108c SS |
982 | hw_tree_print_callback *print; |
983 | void *file; | |
984 | }; | |
985 | ||
986 | static void | |
987 | print_address (struct hw *bus, | |
988 | const hw_unit *phys, | |
989 | struct printer *p) | |
990 | { | |
991 | char unit[32]; | |
34b47c38 | 992 | hw_unit_encode (bus, phys, unit, sizeof (unit)); |
c906108c SS |
993 | p->print (p->file, " %s", unit); |
994 | } | |
995 | ||
996 | static void | |
997 | print_size (struct hw *bus, | |
998 | const hw_unit *size, | |
999 | struct printer *p) | |
1000 | { | |
1001 | int i; | |
1002 | for (i = 0; i < size->nr_cells; i++) | |
1003 | if (size->cells[i] != 0) | |
1004 | break; | |
12c4cbd5 MF |
1005 | if (i < size->nr_cells) |
1006 | { | |
1007 | p->print (p->file, " 0x%lx", (unsigned long) size->cells[i]); | |
1008 | i++; | |
1009 | for (; i < size->nr_cells; i++) | |
1010 | p->print (p->file, ",0x%lx", (unsigned long) size->cells[i]); | |
1011 | } | |
c906108c SS |
1012 | else |
1013 | p->print (p->file, " 0"); | |
1014 | } | |
1015 | ||
1016 | static void | |
1017 | print_reg_property (struct hw *me, | |
1018 | const struct hw_property *property, | |
1019 | struct printer *p) | |
1020 | { | |
1021 | int reg_nr; | |
1022 | reg_property_spec reg; | |
1023 | for (reg_nr = 0; | |
1024 | hw_find_reg_array_property (me, property->name, reg_nr, ®); | |
12c4cbd5 MF |
1025 | reg_nr++) |
1026 | { | |
1027 | print_address (hw_parent (me), ®.address, p); | |
1028 | print_size (me, ®.size, p); | |
1029 | } | |
c906108c SS |
1030 | } |
1031 | ||
1032 | static void | |
1033 | print_ranges_property (struct hw *me, | |
1034 | const struct hw_property *property, | |
1035 | struct printer *p) | |
1036 | { | |
1037 | int range_nr; | |
1038 | range_property_spec range; | |
1039 | for (range_nr = 0; | |
1040 | hw_find_range_array_property (me, property->name, range_nr, &range); | |
1041 | range_nr++) | |
1042 | { | |
1043 | print_address (me, &range.child_address, p); | |
1044 | print_address (hw_parent (me), &range.parent_address, p); | |
1045 | print_size (me, &range.size, p); | |
1046 | } | |
1047 | } | |
1048 | ||
1049 | static void | |
1050 | print_string (struct hw *me, | |
1051 | const char *string, | |
1052 | struct printer *p) | |
1053 | { | |
1054 | p->print (p->file, " \""); | |
12c4cbd5 MF |
1055 | while (*string != '\0') |
1056 | { | |
1057 | switch (*string) | |
1058 | { | |
1059 | case '"': | |
1060 | p->print (p->file, "\\\""); | |
1061 | break; | |
1062 | case '\\': | |
1063 | p->print (p->file, "\\\\"); | |
1064 | break; | |
1065 | default: | |
1066 | p->print (p->file, "%c", *string); | |
1067 | break; | |
1068 | } | |
1069 | string++; | |
c906108c | 1070 | } |
c906108c SS |
1071 | p->print (p->file, "\""); |
1072 | } | |
1073 | ||
1074 | static void | |
1075 | print_string_array_property (struct hw *me, | |
1076 | const struct hw_property *property, | |
1077 | struct printer *p) | |
1078 | { | |
1079 | int nr; | |
1080 | string_property_spec string; | |
1081 | for (nr = 0; | |
1082 | hw_find_string_array_property (me, property->name, nr, &string); | |
1083 | nr++) | |
1084 | { | |
1085 | print_string (me, string, p); | |
1086 | } | |
1087 | } | |
1088 | ||
1089 | static void | |
1090 | print_properties (struct hw *me, | |
1091 | struct printer *p) | |
1092 | { | |
1093 | const struct hw_property *property; | |
1094 | for (property = hw_find_property (me, NULL); | |
1095 | property != NULL; | |
1096 | property = hw_next_property (property)) | |
1097 | { | |
1098 | if (hw_parent (me) == NULL) | |
1099 | p->print (p->file, "/%s", property->name); | |
1100 | else | |
1101 | p->print (p->file, "%s/%s", hw_path (me), property->name); | |
1102 | if (property->original != NULL) | |
1103 | { | |
1104 | p->print (p->file, " !"); | |
028f6515 | 1105 | p->print (p->file, "%s/%s", |
c906108c SS |
1106 | hw_path (property->original->owner), |
1107 | property->original->name); | |
1108 | } | |
1109 | else | |
1110 | { | |
1111 | switch (property->type) | |
1112 | { | |
1113 | case array_property: | |
1114 | { | |
1115 | if ((property->sizeof_array % sizeof (signed_cell)) == 0) | |
1116 | { | |
1117 | unsigned_cell *w = (unsigned_cell*) property->array; | |
1118 | int cell_nr; | |
1119 | for (cell_nr = 0; | |
1120 | cell_nr < (property->sizeof_array / sizeof (unsigned_cell)); | |
1121 | cell_nr++) | |
1122 | { | |
1123 | p->print (p->file, " 0x%lx", (unsigned long) BE2H_cell (w[cell_nr])); | |
1124 | } | |
1125 | } | |
1126 | else | |
1127 | { | |
e4c803f5 | 1128 | uint8_t *w = (uint8_t*)property->array; |
c906108c | 1129 | p->print (p->file, " ["); |
12c4cbd5 MF |
1130 | while ((char*)w - (char*)property->array < property->sizeof_array) |
1131 | { | |
1132 | p->print (p->file, " 0x%2x", BE2H_1 (*w)); | |
1133 | w++; | |
1134 | } | |
c906108c SS |
1135 | } |
1136 | break; | |
1137 | } | |
1138 | case boolean_property: | |
1139 | { | |
34b47c38 | 1140 | int b = hw_find_boolean_property (me, property->name); |
c906108c SS |
1141 | p->print (p->file, " %s", b ? "true" : "false"); |
1142 | break; | |
1143 | } | |
1144 | #if NOT_YET | |
1145 | case ihandle_property: | |
1146 | { | |
1147 | if (property->array != NULL) | |
1148 | { | |
1149 | device_instance *instance = hw_find_ihandle_property (me, property->name); | |
34b47c38 | 1150 | p->print (p->file, " *%s", device_instance_path (instance)); |
c906108c SS |
1151 | } |
1152 | else | |
1153 | { | |
1154 | /* not yet initialized, ask the device for the path */ | |
1155 | ihandle_runtime_property_spec spec; | |
1156 | hw_find_ihandle_runtime_property (me, property->name, &spec); | |
1157 | p->print (p->file, " *%s", spec.full_path); | |
1158 | } | |
1159 | break; | |
1160 | } | |
1161 | #endif | |
1162 | case integer_property: | |
1163 | { | |
1164 | unsigned_word w = hw_find_integer_property (me, property->name); | |
1165 | p->print (p->file, " 0x%lx", (unsigned long)w); | |
1166 | break; | |
1167 | } | |
1168 | case range_array_property: | |
1169 | { | |
1170 | print_ranges_property (me, property, p); | |
1171 | break; | |
1172 | } | |
1173 | case reg_array_property: | |
1174 | { | |
1175 | print_reg_property (me, property, p); | |
1176 | break; | |
1177 | } | |
1178 | case string_property: | |
1179 | { | |
1180 | const char *s = hw_find_string_property (me, property->name); | |
1181 | print_string (me, s, p); | |
1182 | break; | |
1183 | } | |
1184 | case string_array_property: | |
1185 | { | |
1186 | print_string_array_property (me, property, p); | |
1187 | break; | |
1188 | } | |
1189 | } | |
1190 | } | |
1191 | p->print (p->file, "\n"); | |
1192 | } | |
1193 | } | |
1194 | ||
1195 | static void | |
1196 | print_interrupts (struct hw *me, | |
1197 | int my_port, | |
1198 | struct hw *dest, | |
1199 | int dest_port, | |
1200 | void *data) | |
1201 | { | |
1202 | struct printer *p = data; | |
1203 | char src[32]; | |
1204 | char dst[32]; | |
34b47c38 MF |
1205 | hw_port_encode (me, my_port, src, sizeof (src), output_port); |
1206 | hw_port_encode (dest, dest_port, dst, sizeof (dst), input_port); | |
c906108c SS |
1207 | p->print (p->file, |
1208 | "%s > %s %s %s\n", | |
1209 | hw_path (me), | |
1210 | src, dst, | |
1211 | hw_path (dest)); | |
1212 | } | |
1213 | ||
1214 | static void | |
1215 | print_device (struct hw *me, | |
1216 | void *data) | |
1217 | { | |
1218 | struct printer *p = data; | |
1219 | p->print (p->file, "%s\n", hw_path (me)); | |
1220 | print_properties (me, p); | |
1221 | hw_port_traverse (me, print_interrupts, data); | |
1222 | } | |
1223 | ||
1224 | void | |
1225 | hw_tree_print (struct hw *root, | |
1226 | hw_tree_print_callback *print, | |
1227 | void *file) | |
1228 | { | |
1229 | struct printer p; | |
1230 | p.print = print; | |
1231 | p.file = file; | |
1232 | hw_tree_traverse (root, | |
1233 | print_device, NULL, | |
1234 | &p); | |
1235 | } | |
1236 | ||
1237 | ||
1238 | \f | |
1239 | #if NOT_YET | |
1240 | device_instance * | |
34b47c38 MF |
1241 | tree_instance (struct hw *root, |
1242 | const char *device_specifier) | |
c906108c SS |
1243 | { |
1244 | /* find the device node */ | |
1245 | struct hw *me; | |
1246 | name_specifier spec; | |
34b47c38 | 1247 | if (!split_device_specifier (root, device_specifier, &spec)) |
c906108c | 1248 | return NULL; |
34b47c38 | 1249 | me = split_find_device (root, &spec); |
c906108c SS |
1250 | if (spec.name != NULL) |
1251 | return NULL; | |
1252 | /* create the instance */ | |
34b47c38 | 1253 | return device_create_instance (me, device_specifier, spec.last_args); |
c906108c SS |
1254 | } |
1255 | #endif | |
1256 | ||
1257 | struct hw * | |
1258 | hw_tree_find_device (struct hw *root, | |
1259 | const char *path_to_device) | |
1260 | { | |
1261 | struct hw *node; | |
1262 | name_specifier spec; | |
028f6515 | 1263 | |
c906108c SS |
1264 | /* parse the path */ |
1265 | split_device_specifier (root, path_to_device, &spec); | |
1266 | if (spec.value != NULL) | |
1267 | return NULL; /* something wierd */ | |
028f6515 | 1268 | |
c906108c SS |
1269 | /* now find it */ |
1270 | node = split_find_device (root, &spec); | |
1271 | if (spec.name != NULL) | |
1272 | return NULL; /* not a leaf */ | |
028f6515 | 1273 | |
c906108c SS |
1274 | return node; |
1275 | } | |
1276 | ||
1277 | ||
1278 | const struct hw_property * | |
1279 | hw_tree_find_property (struct hw *root, | |
1280 | const char *path_to_property) | |
1281 | { | |
1282 | name_specifier spec; | |
1283 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1284 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1285 | root = split_find_device (root, &spec); | |
1286 | if (spec.name != NULL) | |
1287 | return NULL; /* not a leaf */ | |
1288 | return hw_find_property (root, spec.property); | |
1289 | } | |
1290 | ||
1291 | int | |
1292 | hw_tree_find_boolean_property (struct hw *root, | |
1293 | const char *path_to_property) | |
1294 | { | |
1295 | name_specifier spec; | |
1296 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1297 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1298 | root = split_find_device (root, &spec); | |
1299 | if (spec.name != NULL) | |
1300 | hw_abort (root, "device \"%s\" not found (property \"%s\")", | |
1301 | spec.name, path_to_property); | |
1302 | return hw_find_boolean_property (root, spec.property); | |
1303 | } | |
1304 | ||
1305 | signed_cell | |
1306 | hw_tree_find_integer_property (struct hw *root, | |
1307 | const char *path_to_property) | |
1308 | { | |
1309 | name_specifier spec; | |
1310 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1311 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1312 | root = split_find_device (root, &spec); | |
1313 | if (spec.name != NULL) | |
1314 | hw_abort (root, "device \"%s\" not found (property \"%s\")", | |
1315 | spec.name, path_to_property); | |
1316 | return hw_find_integer_property (root, spec.property); | |
1317 | } | |
1318 | ||
1319 | #if NOT_YET | |
1320 | device_instance * | |
1321 | hw_tree_find_ihandle_property (struct hw *root, | |
1322 | const char *path_to_property) | |
1323 | { | |
1324 | struct hw *root; | |
1325 | name_specifier spec; | |
1326 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1327 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1328 | root = split_find_device (root, &spec); | |
1329 | if (spec.name != NULL) | |
1330 | hw_abort (root, "device \"%s\" not found (property \"%s\")", | |
1331 | spec.name, path_to_property); | |
1332 | return hw_find_ihandle_property (root, spec.property); | |
1333 | } | |
1334 | #endif | |
1335 | ||
1336 | const char * | |
1337 | hw_tree_find_string_property (struct hw *root, | |
1338 | const char *path_to_property) | |
1339 | { | |
1340 | name_specifier spec; | |
1341 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1342 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1343 | root = split_find_device (root, &spec); | |
1344 | if (spec.name != NULL) | |
1345 | hw_abort (root, "device \"%s\" not found (property \"%s\")", | |
1346 | spec.name, path_to_property); | |
1347 | return hw_find_string_property (root, spec.property); | |
1348 | } |