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b85e4829 AC |
1 | /* The common simulator framework for GDB, the GNU Debugger. |
2 | ||
3666a048 | 3 | Copyright 2002-2021 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 SS |
24 | |
25 | #include "hw-main.h" | |
26 | #include "hw-base.h" | |
27 | #include "hw-tree.h" | |
28 | ||
c2c6d25f | 29 | #include "sim-io.h" |
c906108c SS |
30 | #include "sim-assert.h" |
31 | ||
c906108c | 32 | #include <stdlib.h> |
c906108c | 33 | #include <string.h> |
c906108c SS |
34 | #include <ctype.h> |
35 | ||
36 | /* manipulate/lookup device names */ | |
37 | ||
12c4cbd5 MF |
38 | typedef struct _name_specifier |
39 | { | |
028f6515 | 40 | |
c906108c SS |
41 | /* components in the full length name */ |
42 | char *path; | |
43 | char *property; | |
44 | char *value; | |
028f6515 | 45 | |
c906108c SS |
46 | /* current device */ |
47 | char *family; | |
48 | char *name; | |
49 | char *unit; | |
50 | char *args; | |
028f6515 | 51 | |
c906108c SS |
52 | /* previous device */ |
53 | char *last_name; | |
54 | char *last_family; | |
55 | char *last_unit; | |
56 | char *last_args; | |
028f6515 | 57 | |
c906108c SS |
58 | /* work area */ |
59 | char buf[1024]; | |
028f6515 | 60 | |
c906108c SS |
61 | } name_specifier; |
62 | ||
63 | ||
64 | ||
65 | /* Given a device specifier, break it up into its main components: | |
66 | path (and if present) property name and property value. */ | |
67 | ||
68 | static int | |
69 | split_device_specifier (struct hw *current, | |
70 | const char *device_specifier, | |
71 | name_specifier *spec) | |
72 | { | |
73 | char *chp = NULL; | |
028f6515 | 74 | |
c906108c SS |
75 | /* expand any leading alias if present */ |
76 | if (current != NULL | |
77 | && *device_specifier != '\0' | |
78 | && *device_specifier != '.' | |
79 | && *device_specifier != '/') | |
80 | { | |
81 | struct hw *aliases = hw_tree_find_device (current, "/aliases"); | |
82 | char alias[32]; | |
83 | int len = 0; | |
84 | while (device_specifier[len] != '\0' | |
85 | && device_specifier[len] != '/' | |
86 | && device_specifier[len] != ':' | |
87 | && !isspace (device_specifier[len])) | |
88 | { | |
89 | alias[len] = device_specifier[len]; | |
90 | len++; | |
34b47c38 | 91 | if (len >= sizeof (alias)) |
c906108c SS |
92 | hw_abort (NULL, "split_device_specifier: buffer overflow"); |
93 | } | |
94 | alias[len] = '\0'; | |
95 | if (aliases != NULL | |
96 | && hw_find_property (aliases, alias)) | |
97 | { | |
34b47c38 | 98 | strcpy (spec->buf, hw_find_string_property (aliases, alias)); |
c906108c SS |
99 | strcat (spec->buf, device_specifier + len); |
100 | } | |
101 | else | |
102 | { | |
103 | strcpy (spec->buf, device_specifier); | |
104 | } | |
105 | } | |
106 | else | |
107 | { | |
34b47c38 | 108 | strcpy (spec->buf, device_specifier); |
c906108c | 109 | } |
028f6515 | 110 | |
c906108c | 111 | /* check no overflow */ |
34b47c38 | 112 | if (strlen (spec->buf) >= sizeof (spec->buf)) |
c906108c | 113 | hw_abort (NULL, "split_device_specifier: buffer overflow\n"); |
028f6515 | 114 | |
c906108c SS |
115 | /* strip leading spaces */ |
116 | chp = spec->buf; | |
34b47c38 | 117 | while (*chp != '\0' && isspace (*chp)) |
c906108c SS |
118 | chp++; |
119 | if (*chp == '\0') | |
120 | return 0; | |
028f6515 | 121 | |
c906108c SS |
122 | /* find the path and terminate it with null */ |
123 | spec->path = chp; | |
34b47c38 | 124 | while (*chp != '\0' && !isspace (*chp)) |
c906108c SS |
125 | chp++; |
126 | if (*chp != '\0') | |
127 | { | |
128 | *chp = '\0'; | |
129 | chp++; | |
130 | } | |
028f6515 | 131 | |
c906108c | 132 | /* and any value */ |
34b47c38 | 133 | while (*chp != '\0' && isspace (*chp)) |
c906108c SS |
134 | chp++; |
135 | spec->value = chp; | |
028f6515 | 136 | |
c906108c SS |
137 | /* now go back and chop the property off of the path */ |
138 | if (spec->value[0] == '\0') | |
139 | { | |
140 | spec->property = NULL; /*not a property*/ | |
141 | spec->value = NULL; | |
142 | } | |
143 | else if (spec->value[0] == '>' | |
144 | || spec->value[0] == '<') | |
145 | { | |
146 | /* an interrupt spec */ | |
147 | spec->property = NULL; | |
148 | } | |
12c4cbd5 MF |
149 | else |
150 | { | |
34b47c38 | 151 | chp = strrchr (spec->path, '/'); |
12c4cbd5 MF |
152 | if (chp == NULL) |
153 | { | |
154 | spec->property = spec->path; | |
34b47c38 | 155 | spec->path = strchr (spec->property, '\0'); |
12c4cbd5 MF |
156 | } |
157 | else | |
158 | { | |
159 | *chp = '\0'; | |
160 | spec->property = chp+1; | |
161 | } | |
c906108c | 162 | } |
028f6515 | 163 | |
c906108c SS |
164 | /* and mark the rest as invalid */ |
165 | spec->name = NULL; | |
166 | spec->family = NULL; | |
167 | spec->unit = NULL; | |
168 | spec->args = NULL; | |
169 | spec->last_name = NULL; | |
170 | spec->last_family = NULL; | |
171 | spec->last_unit = NULL; | |
172 | spec->last_args = NULL; | |
028f6515 | 173 | |
c906108c SS |
174 | return 1; |
175 | } | |
176 | ||
177 | ||
178 | /* given a device specifier break it up into its main components - | |
179 | path and property name - assuming that the last `device' is a | |
180 | property name. */ | |
181 | ||
182 | static int | |
183 | split_property_specifier (struct hw *current, | |
184 | const char *property_specifier, | |
185 | name_specifier *spec) | |
186 | { | |
187 | if (split_device_specifier (current, property_specifier, spec)) | |
188 | { | |
189 | if (spec->property == NULL) | |
190 | { | |
191 | /* force the last name to be a property name */ | |
192 | char *chp = strrchr (spec->path, '/'); | |
193 | if (chp == NULL) | |
194 | { | |
195 | spec->property = spec->path; | |
196 | spec->path = strrchr (spec->property, '\0');; | |
197 | } | |
198 | else | |
199 | { | |
200 | *chp = '\0'; | |
201 | spec->property = chp + 1; | |
202 | } | |
203 | } | |
204 | return 1; | |
205 | } | |
206 | else | |
207 | return 0; | |
208 | } | |
209 | ||
210 | ||
211 | /* device the next device name and split it up, return 0 when no more | |
212 | names to struct hw */ | |
213 | ||
214 | static int | |
215 | split_device_name (name_specifier *spec) | |
216 | { | |
217 | char *chp; | |
218 | /* remember what came before */ | |
219 | spec->last_name = spec->name; | |
220 | spec->last_family = spec->family; | |
221 | spec->last_unit = spec->unit; | |
222 | spec->last_args = spec->args; | |
223 | /* finished? */ | |
224 | if (spec->path[0] == '\0') | |
225 | { | |
226 | spec->name = NULL; | |
227 | spec->family = NULL; | |
228 | spec->unit = NULL; | |
229 | spec->args = NULL; | |
230 | return 0; | |
231 | } | |
232 | /* break the current device spec from the path */ | |
233 | spec->name = spec->path; | |
234 | chp = strchr (spec->name, '/'); | |
235 | if (chp == NULL) | |
236 | spec->path = strchr (spec->name, '\0'); | |
028f6515 | 237 | else |
c906108c SS |
238 | { |
239 | spec->path = chp+1; | |
240 | *chp = '\0'; | |
241 | } | |
242 | /* break out the base */ | |
243 | if (spec->name[0] == '(') | |
244 | { | |
34b47c38 | 245 | chp = strchr (spec->name, ')'); |
c906108c SS |
246 | if (chp == NULL) |
247 | { | |
248 | spec->family = spec->name; | |
249 | } | |
250 | else | |
251 | { | |
252 | *chp = '\0'; | |
253 | spec->family = spec->name + 1; | |
254 | spec->name = chp + 1; | |
255 | } | |
256 | } | |
257 | else | |
258 | { | |
259 | spec->family = spec->name; | |
260 | } | |
261 | /* now break out the unit */ | |
34b47c38 | 262 | chp = strchr (spec->name, '@'); |
c906108c SS |
263 | if (chp == NULL) |
264 | { | |
265 | spec->unit = NULL; | |
266 | chp = spec->name; | |
267 | } | |
268 | else | |
269 | { | |
270 | *chp = '\0'; | |
271 | chp += 1; | |
272 | spec->unit = chp; | |
273 | } | |
274 | /* finally any args */ | |
34b47c38 | 275 | chp = strchr (chp, ':'); |
c906108c SS |
276 | if (chp == NULL) |
277 | spec->args = NULL; | |
278 | else | |
279 | { | |
280 | *chp = '\0'; | |
281 | spec->args = chp+1; | |
282 | } | |
283 | return 1; | |
284 | } | |
285 | ||
286 | ||
287 | /* device the value, returning the next non-space token */ | |
288 | ||
289 | static char * | |
290 | split_value (name_specifier *spec) | |
291 | { | |
292 | char *token; | |
293 | if (spec->value == NULL) | |
294 | return NULL; | |
295 | /* skip leading white space */ | |
296 | while (isspace (spec->value[0])) | |
297 | spec->value++; | |
298 | if (spec->value[0] == '\0') | |
299 | { | |
300 | spec->value = NULL; | |
301 | return NULL; | |
302 | } | |
303 | token = spec->value; | |
304 | /* find trailing space */ | |
305 | while (spec->value[0] != '\0' && !isspace (spec->value[0])) | |
306 | spec->value++; | |
307 | /* chop this value out */ | |
308 | if (spec->value[0] != '\0') | |
309 | { | |
310 | spec->value[0] = '\0'; | |
311 | spec->value++; | |
312 | } | |
313 | return token; | |
314 | } | |
315 | ||
316 | ||
317 | ||
318 | /* traverse the path specified by spec starting at current */ | |
319 | ||
320 | static struct hw * | |
321 | split_find_device (struct hw *current, | |
322 | name_specifier *spec) | |
323 | { | |
324 | /* strip off (and process) any leading ., .., ./ and / */ | |
325 | while (1) | |
326 | { | |
327 | if (strncmp (spec->path, "/", strlen ("/")) == 0) | |
328 | { | |
329 | /* cd /... */ | |
330 | while (current != NULL && hw_parent (current) != NULL) | |
331 | current = hw_parent (current); | |
332 | spec->path += strlen ("/"); | |
333 | } | |
334 | else if (strncmp (spec->path, "./", strlen ("./")) == 0) | |
335 | { | |
336 | /* cd ./... */ | |
337 | current = current; | |
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 . */ | |
350 | current = current; | |
351 | spec->path += strlen ("."); | |
352 | } | |
353 | else if (strcmp (spec->path, "..") == 0) | |
354 | { | |
355 | /* cd .. */ | |
356 | if (current != NULL && hw_parent (current) != NULL) | |
357 | current = hw_parent (current); | |
358 | spec->path += strlen (".."); | |
359 | } | |
360 | else | |
361 | break; | |
362 | } | |
028f6515 | 363 | |
c906108c | 364 | /* now go through the path proper */ |
028f6515 | 365 | |
c906108c SS |
366 | if (current == NULL) |
367 | { | |
368 | split_device_name (spec); | |
369 | return NULL; | |
370 | } | |
028f6515 | 371 | |
c906108c SS |
372 | while (split_device_name (spec)) |
373 | { | |
374 | struct hw *child; | |
375 | for (child = hw_child (current); | |
376 | child != NULL; child = hw_sibling (child)) | |
377 | { | |
378 | if (strcmp (spec->name, hw_name (child)) == 0) | |
379 | { | |
380 | if (spec->unit == NULL) | |
381 | break; | |
382 | else | |
383 | { | |
384 | hw_unit phys; | |
385 | hw_unit_decode (current, spec->unit, &phys); | |
386 | if (memcmp (&phys, hw_unit_address (child), | |
387 | sizeof (hw_unit)) == 0) | |
388 | break; | |
389 | } | |
390 | } | |
391 | } | |
392 | if (child == NULL) | |
393 | return current; /* search failed */ | |
394 | current = child; | |
395 | } | |
028f6515 | 396 | |
c906108c SS |
397 | return current; |
398 | } | |
399 | ||
400 | ||
401 | static struct hw * | |
402 | split_fill_path (struct hw *current, | |
403 | const char *device_specifier, | |
404 | name_specifier *spec) | |
405 | { | |
406 | /* break it up */ | |
407 | if (!split_device_specifier (current, device_specifier, spec)) | |
408 | hw_abort (current, "error parsing %s\n", device_specifier); | |
028f6515 | 409 | |
c906108c SS |
410 | /* fill our tree with its contents */ |
411 | current = split_find_device (current, spec); | |
028f6515 | 412 | |
c906108c SS |
413 | /* add any additional devices as needed */ |
414 | if (spec->name != NULL) | |
415 | { | |
416 | do | |
417 | { | |
418 | if (current != NULL && !hw_finished_p (current)) | |
419 | hw_finish (current); | |
420 | current = hw_create (NULL, | |
421 | current, | |
422 | spec->family, | |
423 | spec->name, | |
424 | spec->unit, | |
425 | spec->args); | |
426 | } | |
427 | while (split_device_name (spec)); | |
428 | } | |
028f6515 | 429 | |
c906108c SS |
430 | return current; |
431 | } | |
432 | ||
433 | \f | |
434 | /* <non-white-space> */ | |
435 | ||
436 | static const char * | |
34b47c38 | 437 | skip_token (const char *chp) |
c906108c | 438 | { |
34b47c38 | 439 | while (!isspace (*chp) && *chp != '\0') |
c906108c | 440 | chp++; |
34b47c38 | 441 | while (isspace (*chp) && *chp != '\0') |
c906108c SS |
442 | chp++; |
443 | return chp; | |
444 | } | |
445 | ||
446 | ||
447 | /* count the number of entries */ | |
448 | ||
449 | static int | |
450 | count_entries (struct hw *current, | |
451 | const char *property_name, | |
452 | const char *property_value, | |
453 | int modulo) | |
454 | { | |
455 | const char *chp = property_value; | |
456 | int nr_entries = 0; | |
457 | while (*chp != '\0') | |
458 | { | |
459 | nr_entries += 1; | |
460 | chp = skip_token (chp); | |
461 | } | |
462 | if ((nr_entries % modulo) != 0) | |
463 | { | |
464 | hw_abort (current, "incorrect number of entries for %s property %s, should be multiple of %d", | |
465 | property_name, property_value, modulo); | |
466 | } | |
467 | return nr_entries / modulo; | |
468 | } | |
469 | ||
470 | ||
471 | ||
472 | /* parse: <address> ::= <token> ; device dependant */ | |
473 | ||
474 | static const char * | |
475 | parse_address (struct hw *current, | |
476 | struct hw *bus, | |
477 | const char *chp, | |
478 | hw_unit *address) | |
479 | { | |
480 | if (hw_unit_decode (bus, chp, address) < 0) | |
481 | hw_abort (current, "invalid unit address in %s", chp); | |
482 | return skip_token (chp); | |
483 | } | |
484 | ||
485 | ||
486 | /* parse: <size> ::= <number> { "," <number> } ; */ | |
487 | ||
488 | static const char * | |
489 | parse_size (struct hw *current, | |
490 | struct hw *bus, | |
491 | const char *chp, | |
492 | hw_unit *size) | |
493 | { | |
494 | int i; | |
495 | int nr; | |
496 | const char *curr = chp; | |
34b47c38 | 497 | memset (size, 0, sizeof (*size)); |
c906108c SS |
498 | /* parse the numeric list */ |
499 | size->nr_cells = hw_unit_nr_size_cells (bus); | |
500 | nr = 0; | |
501 | while (1) | |
502 | { | |
503 | char *next; | |
504 | size->cells[nr] = strtoul (curr, &next, 0); | |
505 | if (curr == next) | |
506 | hw_abort (current, "Problem parsing <size> %s", chp); | |
507 | nr += 1; | |
508 | if (next[0] != ',') | |
509 | break; | |
510 | if (nr == size->nr_cells) | |
511 | hw_abort (current, "Too many values in <size> %s", chp); | |
512 | curr = next + 1; | |
513 | } | |
514 | ASSERT (nr > 0 && nr <= size->nr_cells); | |
515 | /* right align the numbers */ | |
516 | for (i = 1; i <= size->nr_cells; i++) | |
517 | { | |
518 | if (i <= nr) | |
519 | size->cells[size->nr_cells - i] = size->cells[nr - i]; | |
520 | else | |
521 | size->cells[size->nr_cells - i] = 0; | |
522 | } | |
523 | return skip_token (chp); | |
524 | } | |
525 | ||
526 | ||
527 | /* parse: <reg> ::= { <address> <size> } ; */ | |
528 | ||
529 | static void | |
530 | parse_reg_property (struct hw *current, | |
531 | const char *property_name, | |
532 | const char *property_value) | |
533 | { | |
534 | int nr_regs; | |
535 | int reg_nr; | |
536 | reg_property_spec *regs; | |
537 | const char *chp; | |
028f6515 | 538 | |
c906108c SS |
539 | /* determine the number of reg entries by counting tokens */ |
540 | nr_regs = count_entries (current, property_name, property_value, 2); | |
028f6515 | 541 | |
c906108c SS |
542 | /* create working space */ |
543 | regs = zalloc (nr_regs * sizeof (*regs)); | |
028f6515 | 544 | |
c906108c SS |
545 | /* fill it in */ |
546 | chp = property_value; | |
547 | for (reg_nr = 0; reg_nr < nr_regs; reg_nr++) | |
548 | { | |
34b47c38 | 549 | chp = parse_address (current, hw_parent (current), |
c906108c | 550 | chp, ®s[reg_nr].address); |
34b47c38 | 551 | chp = parse_size (current, hw_parent (current), |
c906108c SS |
552 | chp, ®s[reg_nr].size); |
553 | } | |
028f6515 | 554 | |
c906108c SS |
555 | /* create it */ |
556 | hw_add_reg_array_property (current, property_name, | |
557 | regs, nr_regs); | |
028f6515 | 558 | |
d79fe0d6 | 559 | free (regs); |
c906108c SS |
560 | } |
561 | ||
562 | ||
563 | /* { <child-address> <parent-address> <child-size> }* */ | |
564 | ||
565 | static void | |
566 | parse_ranges_property (struct hw *current, | |
567 | const char *property_name, | |
568 | const char *property_value) | |
569 | { | |
570 | int nr_ranges; | |
571 | int range_nr; | |
572 | range_property_spec *ranges; | |
573 | const char *chp; | |
028f6515 | 574 | |
c906108c SS |
575 | /* determine the number of ranges specified */ |
576 | nr_ranges = count_entries (current, property_name, property_value, 3); | |
028f6515 | 577 | |
c906108c | 578 | /* create a property of that size */ |
34b47c38 | 579 | ranges = zalloc (nr_ranges * sizeof (*ranges)); |
028f6515 | 580 | |
c906108c SS |
581 | /* fill it in */ |
582 | chp = property_value; | |
583 | for (range_nr = 0; range_nr < nr_ranges; range_nr++) | |
584 | { | |
585 | chp = parse_address (current, current, | |
586 | chp, &ranges[range_nr].child_address); | |
34b47c38 | 587 | chp = parse_address (current, hw_parent (current), |
c906108c SS |
588 | chp, &ranges[range_nr].parent_address); |
589 | chp = parse_size (current, current, | |
590 | chp, &ranges[range_nr].size); | |
591 | } | |
028f6515 | 592 | |
c906108c SS |
593 | /* create it */ |
594 | hw_add_range_array_property (current, property_name, ranges, nr_ranges); | |
028f6515 | 595 | |
d79fe0d6 | 596 | free (ranges); |
c906108c SS |
597 | } |
598 | ||
599 | ||
600 | /* <integer> ... */ | |
601 | ||
602 | static void | |
603 | parse_integer_property (struct hw *current, | |
604 | const char *property_name, | |
605 | const char *property_value) | |
606 | { | |
607 | int nr_entries; | |
608 | unsigned_cell words[1024]; | |
609 | /* integer or integer array? */ | |
610 | nr_entries = 0; | |
611 | while (1) | |
612 | { | |
613 | char *end; | |
614 | words[nr_entries] = strtoul (property_value, &end, 0); | |
615 | if (property_value == end) | |
616 | break; | |
617 | nr_entries += 1; | |
618 | if (nr_entries * sizeof (words[0]) >= sizeof (words)) | |
619 | hw_abort (current, "buffer overflow"); | |
620 | property_value = end; | |
621 | } | |
622 | if (nr_entries == 0) | |
623 | hw_abort (current, "error parsing integer property %s (%s)", | |
624 | property_name, property_value); | |
625 | else if (nr_entries == 1) | |
626 | hw_add_integer_property (current, property_name, words[0]); | |
627 | else | |
628 | { | |
629 | int i; | |
630 | for (i = 0; i < nr_entries; i++) | |
631 | { | |
632 | H2BE (words[i]); | |
633 | } | |
109d3db3 | 634 | /* perhaps integer array property is better */ |
c906108c | 635 | hw_add_array_property (current, property_name, words, |
34b47c38 | 636 | sizeof (words[0]) * nr_entries); |
c906108c SS |
637 | } |
638 | } | |
639 | ||
640 | ||
641 | /* <string> ... */ | |
642 | ||
643 | static void | |
644 | parse_string_property (struct hw *current, | |
645 | const char *property_name, | |
646 | const char *property_value) | |
647 | { | |
648 | char **strings; | |
649 | const char *chp; | |
650 | int nr_strings; | |
651 | int approx_nr_strings; | |
028f6515 | 652 | |
c906108c SS |
653 | /* get an estimate as to the number of strings by counting double |
654 | quotes */ | |
655 | approx_nr_strings = 2; | |
656 | for (chp = property_value; *chp; chp++) | |
657 | { | |
658 | if (*chp == '"') | |
659 | approx_nr_strings++; | |
660 | } | |
661 | approx_nr_strings = (approx_nr_strings) / 2; | |
028f6515 | 662 | |
c906108c | 663 | /* create a string buffer for that many (plus a null) */ |
34b47c38 | 664 | strings = (char**) zalloc ((approx_nr_strings + 1) * sizeof (char*)); |
028f6515 | 665 | |
c906108c SS |
666 | /* now find all the strings */ |
667 | chp = property_value; | |
668 | nr_strings = 0; | |
669 | while (1) | |
670 | { | |
028f6515 | 671 | |
c906108c SS |
672 | /* skip leading space */ |
673 | while (*chp != '\0' && isspace (*chp)) | |
674 | chp += 1; | |
675 | if (*chp == '\0') | |
676 | break; | |
028f6515 | 677 | |
c906108c SS |
678 | /* copy it in */ |
679 | if (*chp == '"') | |
680 | { | |
6439295f | 681 | /* a quoted string - watch for '\' et al. */ |
c906108c SS |
682 | /* estimate the size and allocate space for it */ |
683 | int pos; | |
684 | chp++; | |
685 | pos = 0; | |
686 | while (chp[pos] != '\0' && chp[pos] != '"') | |
687 | { | |
688 | if (chp[pos] == '\\' && chp[pos+1] != '\0') | |
689 | pos += 2; | |
690 | else | |
691 | pos += 1; | |
692 | } | |
693 | strings[nr_strings] = zalloc (pos + 1); | |
694 | /* copy the string over */ | |
695 | pos = 0; | |
696 | while (*chp != '\0' && *chp != '"') | |
697 | { | |
12c4cbd5 MF |
698 | if (*chp == '\\' && *(chp+1) != '\0') |
699 | { | |
700 | strings[nr_strings][pos] = *(chp+1); | |
701 | chp += 2; | |
702 | pos++; | |
703 | } | |
c906108c SS |
704 | else |
705 | { | |
706 | strings[nr_strings][pos] = *chp; | |
707 | chp += 1; | |
708 | pos++; | |
709 | } | |
710 | } | |
711 | if (*chp != '\0') | |
712 | chp++; | |
713 | strings[nr_strings][pos] = '\0'; | |
714 | } | |
715 | else | |
716 | { | |
717 | /* copy over a single unquoted token */ | |
718 | int len = 0; | |
34b47c38 | 719 | while (chp[len] != '\0' && !isspace (chp[len])) |
c906108c | 720 | len++; |
34b47c38 MF |
721 | strings[nr_strings] = zalloc (len + 1); |
722 | strncpy (strings[nr_strings], chp, len); | |
c906108c SS |
723 | strings[nr_strings][len] = '\0'; |
724 | chp += len; | |
725 | } | |
726 | nr_strings++; | |
727 | if (nr_strings > approx_nr_strings) | |
728 | hw_abort (current, "String property %s badly formatted", | |
729 | property_name); | |
730 | } | |
731 | ASSERT (strings[nr_strings] == NULL); /* from zalloc */ | |
028f6515 | 732 | |
c906108c SS |
733 | /* install it */ |
734 | if (nr_strings == 0) | |
735 | hw_add_string_property (current, property_name, ""); | |
736 | else if (nr_strings == 1) | |
737 | hw_add_string_property (current, property_name, strings[0]); | |
738 | else | |
739 | { | |
740 | const char **specs = (const char**) strings; /* stop a bogus error */ | |
741 | hw_add_string_array_property (current, property_name, | |
742 | specs, nr_strings); | |
743 | } | |
028f6515 | 744 | |
c906108c SS |
745 | /* flush the created string */ |
746 | while (nr_strings > 0) | |
747 | { | |
748 | nr_strings--; | |
d79fe0d6 | 749 | free (strings[nr_strings]); |
c906108c | 750 | } |
34b47c38 | 751 | free (strings); |
c906108c SS |
752 | } |
753 | ||
754 | ||
755 | /* <path-to-ihandle-device> */ | |
756 | ||
757 | #if NOT_YET | |
758 | static void | |
759 | parse_ihandle_property (struct hw *current, | |
760 | const char *property, | |
761 | const char *value) | |
762 | { | |
763 | ihandle_runtime_property_spec ihandle; | |
028f6515 | 764 | |
c906108c SS |
765 | /* pass the full path */ |
766 | ihandle.full_path = value; | |
028f6515 | 767 | |
c906108c SS |
768 | /* save this ready for the ihandle create */ |
769 | hw_add_ihandle_runtime_property (current, property, | |
770 | &ihandle); | |
771 | } | |
772 | #endif | |
773 | ||
774 | ||
775 | struct hw * | |
776 | hw_tree_create (SIM_DESC sd, | |
777 | const char *family) | |
778 | { | |
779 | return hw_create (sd, NULL, family, family, NULL, NULL); | |
780 | } | |
781 | ||
782 | void | |
783 | hw_tree_delete (struct hw *me) | |
784 | { | |
785 | /* Need to allow devices to disapear under our feet */ | |
786 | while (hw_child (me) != NULL) | |
787 | { | |
788 | hw_tree_delete (hw_child (me)); | |
789 | } | |
790 | hw_delete (me); | |
791 | } | |
792 | ||
793 | ||
794 | struct hw * | |
795 | hw_tree_parse (struct hw *current, | |
796 | const char *fmt, | |
797 | ...) | |
798 | { | |
799 | va_list ap; | |
800 | va_start (ap, fmt); | |
801 | current = hw_tree_vparse (current, fmt, ap); | |
802 | va_end (ap); | |
803 | return current; | |
804 | } | |
028f6515 | 805 | |
c906108c SS |
806 | struct hw * |
807 | hw_tree_vparse (struct hw *current, | |
808 | const char *fmt, | |
809 | va_list ap) | |
810 | { | |
811 | char device_specifier[1024]; | |
812 | name_specifier spec; | |
028f6515 | 813 | |
c906108c SS |
814 | /* format the path */ |
815 | vsprintf (device_specifier, fmt, ap); | |
816 | if (strlen (device_specifier) >= sizeof (device_specifier)) | |
817 | hw_abort (NULL, "device_tree_add_deviced: buffer overflow\n"); | |
028f6515 | 818 | |
c906108c SS |
819 | /* construct the tree down to the final struct hw */ |
820 | current = split_fill_path (current, device_specifier, &spec); | |
028f6515 | 821 | |
c906108c SS |
822 | /* is there an interrupt spec */ |
823 | if (spec.property == NULL | |
824 | && spec.value != NULL) | |
825 | { | |
826 | char *op = split_value (&spec); | |
827 | switch (op[0]) | |
828 | { | |
829 | case '>': | |
830 | { | |
831 | char *my_port_name = split_value (&spec); | |
832 | int my_port; | |
833 | char *dest_port_name = split_value (&spec); | |
834 | int dest_port; | |
835 | name_specifier dest_spec; | |
836 | char *dest_hw_name = split_value (&spec); | |
837 | struct hw *dest; | |
838 | /* find my name */ | |
839 | if (!hw_finished_p (current)) | |
840 | hw_finish (current); | |
841 | my_port = hw_port_decode (current, my_port_name, output_port); | |
842 | /* find the dest device and port */ | |
843 | dest = split_fill_path (current, dest_hw_name, &dest_spec); | |
844 | if (!hw_finished_p (dest)) | |
845 | hw_finish (dest); | |
846 | dest_port = hw_port_decode (dest, dest_port_name, | |
847 | input_port); | |
848 | /* connect the two */ | |
849 | hw_port_attach (current, | |
850 | my_port, | |
851 | dest, | |
852 | dest_port, | |
853 | permenant_object); | |
854 | break; | |
855 | } | |
856 | default: | |
857 | hw_abort (current, "unreconised interrupt spec %s\n", spec.value); | |
858 | break; | |
859 | } | |
860 | } | |
028f6515 | 861 | |
c906108c SS |
862 | /* is there a property */ |
863 | if (spec.property != NULL) | |
864 | { | |
865 | if (strcmp (spec.value, "true") == 0) | |
866 | hw_add_boolean_property (current, spec.property, 1); | |
867 | else if (strcmp (spec.value, "false") == 0) | |
868 | hw_add_boolean_property (current, spec.property, 0); | |
869 | else | |
870 | { | |
871 | const struct hw_property *property; | |
872 | switch (spec.value[0]) | |
873 | { | |
874 | #if NOT_YET | |
875 | case '*': | |
876 | { | |
877 | parse_ihandle_property (current, spec.property, spec.value + 1); | |
878 | break; | |
879 | } | |
880 | #endif | |
881 | case '[': | |
882 | { | |
883 | unsigned8 words[1024]; | |
884 | char *curr = spec.value + 1; | |
885 | int nr_words = 0; | |
886 | while (1) | |
887 | { | |
888 | char *next; | |
889 | words[nr_words] = H2BE_1 (strtoul (curr, &next, 0)); | |
890 | if (curr == next) | |
891 | break; | |
892 | curr = next; | |
893 | nr_words += 1; | |
894 | } | |
895 | hw_add_array_property (current, spec.property, | |
34b47c38 | 896 | words, sizeof (words[0]) * nr_words); |
c906108c SS |
897 | break; |
898 | } | |
899 | case '"': | |
900 | { | |
901 | parse_string_property (current, spec.property, spec.value); | |
902 | break; | |
903 | } | |
904 | case '!': | |
905 | { | |
906 | spec.value++; | |
907 | property = hw_tree_find_property (current, spec.value); | |
908 | if (property == NULL) | |
909 | hw_abort (current, "property %s not found\n", spec.value); | |
910 | hw_add_duplicate_property (current, | |
911 | spec.property, | |
912 | property); | |
913 | break; | |
914 | } | |
915 | default: | |
916 | { | |
917 | if (strcmp (spec.property, "reg") == 0 | |
918 | || strcmp (spec.property, "assigned-addresses") == 0 | |
919 | || strcmp (spec.property, "alternate-reg") == 0) | |
920 | { | |
921 | parse_reg_property (current, spec.property, spec.value); | |
922 | } | |
923 | else if (strcmp (spec.property, "ranges") == 0) | |
924 | { | |
925 | parse_ranges_property (current, spec.property, spec.value); | |
926 | } | |
34b47c38 MF |
927 | else if (isdigit (spec.value[0]) |
928 | || (spec.value[0] == '-' && isdigit (spec.value[1])) | |
929 | || (spec.value[0] == '+' && isdigit (spec.value[1]))) | |
c906108c | 930 | { |
34b47c38 | 931 | parse_integer_property (current, spec.property, spec.value); |
c906108c SS |
932 | } |
933 | else | |
34b47c38 | 934 | parse_string_property (current, spec.property, spec.value); |
c906108c SS |
935 | break; |
936 | } | |
937 | } | |
938 | } | |
939 | } | |
940 | return current; | |
941 | } | |
942 | ||
943 | ||
944 | static void | |
945 | finish_hw_tree (struct hw *me, | |
946 | void *data) | |
947 | { | |
948 | if (!hw_finished_p (me)) | |
949 | hw_finish (me); | |
950 | } | |
951 | ||
952 | void | |
953 | hw_tree_finish (struct hw *root) | |
954 | { | |
955 | hw_tree_traverse (root, finish_hw_tree, NULL, NULL); | |
956 | } | |
957 | ||
958 | ||
959 | ||
960 | void | |
961 | hw_tree_traverse (struct hw *root, | |
962 | hw_tree_traverse_function *prefix, | |
963 | hw_tree_traverse_function *postfix, | |
964 | void *data) | |
965 | { | |
966 | struct hw *child; | |
967 | if (prefix != NULL) | |
968 | prefix (root, data); | |
969 | for (child = hw_child (root); | |
970 | child != NULL; | |
971 | child = hw_sibling (child)) | |
972 | { | |
973 | hw_tree_traverse (child, prefix, postfix, data); | |
974 | } | |
975 | if (postfix != NULL) | |
976 | postfix (root, data); | |
977 | } | |
978 | ||
979 | ||
980 | \f | |
12c4cbd5 MF |
981 | struct printer |
982 | { | |
c906108c SS |
983 | hw_tree_print_callback *print; |
984 | void *file; | |
985 | }; | |
986 | ||
987 | static void | |
988 | print_address (struct hw *bus, | |
989 | const hw_unit *phys, | |
990 | struct printer *p) | |
991 | { | |
992 | char unit[32]; | |
34b47c38 | 993 | hw_unit_encode (bus, phys, unit, sizeof (unit)); |
c906108c SS |
994 | p->print (p->file, " %s", unit); |
995 | } | |
996 | ||
997 | static void | |
998 | print_size (struct hw *bus, | |
999 | const hw_unit *size, | |
1000 | struct printer *p) | |
1001 | { | |
1002 | int i; | |
1003 | for (i = 0; i < size->nr_cells; i++) | |
1004 | if (size->cells[i] != 0) | |
1005 | break; | |
12c4cbd5 MF |
1006 | if (i < size->nr_cells) |
1007 | { | |
1008 | p->print (p->file, " 0x%lx", (unsigned long) size->cells[i]); | |
1009 | i++; | |
1010 | for (; i < size->nr_cells; i++) | |
1011 | p->print (p->file, ",0x%lx", (unsigned long) size->cells[i]); | |
1012 | } | |
c906108c SS |
1013 | else |
1014 | p->print (p->file, " 0"); | |
1015 | } | |
1016 | ||
1017 | static void | |
1018 | print_reg_property (struct hw *me, | |
1019 | const struct hw_property *property, | |
1020 | struct printer *p) | |
1021 | { | |
1022 | int reg_nr; | |
1023 | reg_property_spec reg; | |
1024 | for (reg_nr = 0; | |
1025 | hw_find_reg_array_property (me, property->name, reg_nr, ®); | |
12c4cbd5 MF |
1026 | reg_nr++) |
1027 | { | |
1028 | print_address (hw_parent (me), ®.address, p); | |
1029 | print_size (me, ®.size, p); | |
1030 | } | |
c906108c SS |
1031 | } |
1032 | ||
1033 | static void | |
1034 | print_ranges_property (struct hw *me, | |
1035 | const struct hw_property *property, | |
1036 | struct printer *p) | |
1037 | { | |
1038 | int range_nr; | |
1039 | range_property_spec range; | |
1040 | for (range_nr = 0; | |
1041 | hw_find_range_array_property (me, property->name, range_nr, &range); | |
1042 | range_nr++) | |
1043 | { | |
1044 | print_address (me, &range.child_address, p); | |
1045 | print_address (hw_parent (me), &range.parent_address, p); | |
1046 | print_size (me, &range.size, p); | |
1047 | } | |
1048 | } | |
1049 | ||
1050 | static void | |
1051 | print_string (struct hw *me, | |
1052 | const char *string, | |
1053 | struct printer *p) | |
1054 | { | |
1055 | p->print (p->file, " \""); | |
12c4cbd5 MF |
1056 | while (*string != '\0') |
1057 | { | |
1058 | switch (*string) | |
1059 | { | |
1060 | case '"': | |
1061 | p->print (p->file, "\\\""); | |
1062 | break; | |
1063 | case '\\': | |
1064 | p->print (p->file, "\\\\"); | |
1065 | break; | |
1066 | default: | |
1067 | p->print (p->file, "%c", *string); | |
1068 | break; | |
1069 | } | |
1070 | string++; | |
c906108c | 1071 | } |
c906108c SS |
1072 | p->print (p->file, "\""); |
1073 | } | |
1074 | ||
1075 | static void | |
1076 | print_string_array_property (struct hw *me, | |
1077 | const struct hw_property *property, | |
1078 | struct printer *p) | |
1079 | { | |
1080 | int nr; | |
1081 | string_property_spec string; | |
1082 | for (nr = 0; | |
1083 | hw_find_string_array_property (me, property->name, nr, &string); | |
1084 | nr++) | |
1085 | { | |
1086 | print_string (me, string, p); | |
1087 | } | |
1088 | } | |
1089 | ||
1090 | static void | |
1091 | print_properties (struct hw *me, | |
1092 | struct printer *p) | |
1093 | { | |
1094 | const struct hw_property *property; | |
1095 | for (property = hw_find_property (me, NULL); | |
1096 | property != NULL; | |
1097 | property = hw_next_property (property)) | |
1098 | { | |
1099 | if (hw_parent (me) == NULL) | |
1100 | p->print (p->file, "/%s", property->name); | |
1101 | else | |
1102 | p->print (p->file, "%s/%s", hw_path (me), property->name); | |
1103 | if (property->original != NULL) | |
1104 | { | |
1105 | p->print (p->file, " !"); | |
028f6515 | 1106 | p->print (p->file, "%s/%s", |
c906108c SS |
1107 | hw_path (property->original->owner), |
1108 | property->original->name); | |
1109 | } | |
1110 | else | |
1111 | { | |
1112 | switch (property->type) | |
1113 | { | |
1114 | case array_property: | |
1115 | { | |
1116 | if ((property->sizeof_array % sizeof (signed_cell)) == 0) | |
1117 | { | |
1118 | unsigned_cell *w = (unsigned_cell*) property->array; | |
1119 | int cell_nr; | |
1120 | for (cell_nr = 0; | |
1121 | cell_nr < (property->sizeof_array / sizeof (unsigned_cell)); | |
1122 | cell_nr++) | |
1123 | { | |
1124 | p->print (p->file, " 0x%lx", (unsigned long) BE2H_cell (w[cell_nr])); | |
1125 | } | |
1126 | } | |
1127 | else | |
1128 | { | |
1129 | unsigned8 *w = (unsigned8*)property->array; | |
1130 | p->print (p->file, " ["); | |
12c4cbd5 MF |
1131 | while ((char*)w - (char*)property->array < property->sizeof_array) |
1132 | { | |
1133 | p->print (p->file, " 0x%2x", BE2H_1 (*w)); | |
1134 | w++; | |
1135 | } | |
c906108c SS |
1136 | } |
1137 | break; | |
1138 | } | |
1139 | case boolean_property: | |
1140 | { | |
34b47c38 | 1141 | int b = hw_find_boolean_property (me, property->name); |
c906108c SS |
1142 | p->print (p->file, " %s", b ? "true" : "false"); |
1143 | break; | |
1144 | } | |
1145 | #if NOT_YET | |
1146 | case ihandle_property: | |
1147 | { | |
1148 | if (property->array != NULL) | |
1149 | { | |
1150 | device_instance *instance = hw_find_ihandle_property (me, property->name); | |
34b47c38 | 1151 | p->print (p->file, " *%s", device_instance_path (instance)); |
c906108c SS |
1152 | } |
1153 | else | |
1154 | { | |
1155 | /* not yet initialized, ask the device for the path */ | |
1156 | ihandle_runtime_property_spec spec; | |
1157 | hw_find_ihandle_runtime_property (me, property->name, &spec); | |
1158 | p->print (p->file, " *%s", spec.full_path); | |
1159 | } | |
1160 | break; | |
1161 | } | |
1162 | #endif | |
1163 | case integer_property: | |
1164 | { | |
1165 | unsigned_word w = hw_find_integer_property (me, property->name); | |
1166 | p->print (p->file, " 0x%lx", (unsigned long)w); | |
1167 | break; | |
1168 | } | |
1169 | case range_array_property: | |
1170 | { | |
1171 | print_ranges_property (me, property, p); | |
1172 | break; | |
1173 | } | |
1174 | case reg_array_property: | |
1175 | { | |
1176 | print_reg_property (me, property, p); | |
1177 | break; | |
1178 | } | |
1179 | case string_property: | |
1180 | { | |
1181 | const char *s = hw_find_string_property (me, property->name); | |
1182 | print_string (me, s, p); | |
1183 | break; | |
1184 | } | |
1185 | case string_array_property: | |
1186 | { | |
1187 | print_string_array_property (me, property, p); | |
1188 | break; | |
1189 | } | |
1190 | } | |
1191 | } | |
1192 | p->print (p->file, "\n"); | |
1193 | } | |
1194 | } | |
1195 | ||
1196 | static void | |
1197 | print_interrupts (struct hw *me, | |
1198 | int my_port, | |
1199 | struct hw *dest, | |
1200 | int dest_port, | |
1201 | void *data) | |
1202 | { | |
1203 | struct printer *p = data; | |
1204 | char src[32]; | |
1205 | char dst[32]; | |
34b47c38 MF |
1206 | hw_port_encode (me, my_port, src, sizeof (src), output_port); |
1207 | hw_port_encode (dest, dest_port, dst, sizeof (dst), input_port); | |
c906108c SS |
1208 | p->print (p->file, |
1209 | "%s > %s %s %s\n", | |
1210 | hw_path (me), | |
1211 | src, dst, | |
1212 | hw_path (dest)); | |
1213 | } | |
1214 | ||
1215 | static void | |
1216 | print_device (struct hw *me, | |
1217 | void *data) | |
1218 | { | |
1219 | struct printer *p = data; | |
1220 | p->print (p->file, "%s\n", hw_path (me)); | |
1221 | print_properties (me, p); | |
1222 | hw_port_traverse (me, print_interrupts, data); | |
1223 | } | |
1224 | ||
1225 | void | |
1226 | hw_tree_print (struct hw *root, | |
1227 | hw_tree_print_callback *print, | |
1228 | void *file) | |
1229 | { | |
1230 | struct printer p; | |
1231 | p.print = print; | |
1232 | p.file = file; | |
1233 | hw_tree_traverse (root, | |
1234 | print_device, NULL, | |
1235 | &p); | |
1236 | } | |
1237 | ||
1238 | ||
1239 | \f | |
1240 | #if NOT_YET | |
1241 | device_instance * | |
34b47c38 MF |
1242 | tree_instance (struct hw *root, |
1243 | const char *device_specifier) | |
c906108c SS |
1244 | { |
1245 | /* find the device node */ | |
1246 | struct hw *me; | |
1247 | name_specifier spec; | |
34b47c38 | 1248 | if (!split_device_specifier (root, device_specifier, &spec)) |
c906108c | 1249 | return NULL; |
34b47c38 | 1250 | me = split_find_device (root, &spec); |
c906108c SS |
1251 | if (spec.name != NULL) |
1252 | return NULL; | |
1253 | /* create the instance */ | |
34b47c38 | 1254 | return device_create_instance (me, device_specifier, spec.last_args); |
c906108c SS |
1255 | } |
1256 | #endif | |
1257 | ||
1258 | struct hw * | |
1259 | hw_tree_find_device (struct hw *root, | |
1260 | const char *path_to_device) | |
1261 | { | |
1262 | struct hw *node; | |
1263 | name_specifier spec; | |
028f6515 | 1264 | |
c906108c SS |
1265 | /* parse the path */ |
1266 | split_device_specifier (root, path_to_device, &spec); | |
1267 | if (spec.value != NULL) | |
1268 | return NULL; /* something wierd */ | |
028f6515 | 1269 | |
c906108c SS |
1270 | /* now find it */ |
1271 | node = split_find_device (root, &spec); | |
1272 | if (spec.name != NULL) | |
1273 | return NULL; /* not a leaf */ | |
028f6515 | 1274 | |
c906108c SS |
1275 | return node; |
1276 | } | |
1277 | ||
1278 | ||
1279 | const struct hw_property * | |
1280 | hw_tree_find_property (struct hw *root, | |
1281 | const char *path_to_property) | |
1282 | { | |
1283 | name_specifier spec; | |
1284 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1285 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1286 | root = split_find_device (root, &spec); | |
1287 | if (spec.name != NULL) | |
1288 | return NULL; /* not a leaf */ | |
1289 | return hw_find_property (root, spec.property); | |
1290 | } | |
1291 | ||
1292 | int | |
1293 | hw_tree_find_boolean_property (struct hw *root, | |
1294 | const char *path_to_property) | |
1295 | { | |
1296 | name_specifier spec; | |
1297 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1298 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1299 | root = split_find_device (root, &spec); | |
1300 | if (spec.name != NULL) | |
1301 | hw_abort (root, "device \"%s\" not found (property \"%s\")", | |
1302 | spec.name, path_to_property); | |
1303 | return hw_find_boolean_property (root, spec.property); | |
1304 | } | |
1305 | ||
1306 | signed_cell | |
1307 | hw_tree_find_integer_property (struct hw *root, | |
1308 | const char *path_to_property) | |
1309 | { | |
1310 | name_specifier spec; | |
1311 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1312 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1313 | root = split_find_device (root, &spec); | |
1314 | if (spec.name != NULL) | |
1315 | hw_abort (root, "device \"%s\" not found (property \"%s\")", | |
1316 | spec.name, path_to_property); | |
1317 | return hw_find_integer_property (root, spec.property); | |
1318 | } | |
1319 | ||
1320 | #if NOT_YET | |
1321 | device_instance * | |
1322 | hw_tree_find_ihandle_property (struct hw *root, | |
1323 | const char *path_to_property) | |
1324 | { | |
1325 | struct hw *root; | |
1326 | name_specifier spec; | |
1327 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1328 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1329 | root = split_find_device (root, &spec); | |
1330 | if (spec.name != NULL) | |
1331 | hw_abort (root, "device \"%s\" not found (property \"%s\")", | |
1332 | spec.name, path_to_property); | |
1333 | return hw_find_ihandle_property (root, spec.property); | |
1334 | } | |
1335 | #endif | |
1336 | ||
1337 | const char * | |
1338 | hw_tree_find_string_property (struct hw *root, | |
1339 | const char *path_to_property) | |
1340 | { | |
1341 | name_specifier spec; | |
1342 | if (!split_property_specifier (root, path_to_property, &spec)) | |
1343 | hw_abort (root, "Invalid property path %s", path_to_property); | |
1344 | root = split_find_device (root, &spec); | |
1345 | if (spec.name != NULL) | |
1346 | hw_abort (root, "device \"%s\" not found (property \"%s\")", | |
1347 | spec.name, path_to_property); | |
1348 | return hw_find_string_property (root, spec.property); | |
1349 | } |