Commit | Line | Data |
---|---|---|
b85e4829 AC |
1 | /* The common simulator framework for GDB, the GNU Debugger. |
2 | ||
6aba47ca | 3 | Copyright 2002, 2007 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/>. */ |
c906108c SS |
21 | |
22 | #include "hw-main.h" | |
23 | #include "hw-base.h" | |
24 | ||
c2c6d25f | 25 | #include "sim-io.h" |
c906108c SS |
26 | #include "sim-assert.h" |
27 | ||
28 | #ifdef HAVE_STRING_H | |
29 | #include <string.h> | |
30 | #else | |
31 | #ifdef HAVE_STRINGS_H | |
32 | #include <strings.h> | |
33 | #endif | |
34 | #endif | |
35 | ||
36 | #define TRACE(A,B) | |
37 | ||
38 | /* property entries */ | |
39 | ||
40 | struct hw_property_data { | |
41 | struct hw_property_data *next; | |
42 | struct hw_property *property; | |
43 | const void *init_array; | |
44 | unsigned sizeof_init_array; | |
45 | }; | |
46 | ||
47 | void | |
48 | create_hw_property_data (struct hw *me) | |
49 | { | |
50 | } | |
51 | ||
52 | void | |
53 | delete_hw_property_data (struct hw *me) | |
54 | { | |
55 | } | |
56 | ||
57 | ||
58 | /* Device Properties: */ | |
59 | ||
60 | static struct hw_property_data * | |
61 | find_property_data (struct hw *me, | |
62 | const char *property) | |
63 | { | |
64 | struct hw_property_data *entry; | |
65 | ASSERT (property != NULL); | |
66 | entry = me->properties_of_hw; | |
67 | while (entry != NULL) | |
68 | { | |
69 | if (strcmp (entry->property->name, property) == 0) | |
70 | return entry; | |
71 | entry = entry->next; | |
72 | } | |
73 | return NULL; | |
74 | } | |
75 | ||
76 | ||
77 | static void | |
78 | hw_add_property (struct hw *me, | |
79 | const char *property, | |
80 | hw_property_type type, | |
81 | const void *init_array, | |
82 | unsigned sizeof_init_array, | |
83 | const void *array, | |
84 | unsigned sizeof_array, | |
85 | const struct hw_property *original, | |
86 | object_disposition disposition) | |
87 | { | |
88 | struct hw_property_data *new_entry = NULL; | |
89 | struct hw_property *new_value = NULL; | |
90 | ||
91 | /* find the list end */ | |
92 | struct hw_property_data **insertion_point = &me->properties_of_hw; | |
93 | while (*insertion_point != NULL) | |
94 | { | |
95 | if (strcmp ((*insertion_point)->property->name, property) == 0) | |
96 | return; | |
97 | insertion_point = &(*insertion_point)->next; | |
98 | } | |
99 | ||
100 | /* create a new value */ | |
101 | new_value = HW_ZALLOC (me, struct hw_property); | |
102 | new_value->name = (char *) strdup (property); | |
103 | new_value->type = type; | |
104 | if (sizeof_array > 0) | |
105 | { | |
106 | void *new_array = hw_zalloc (me, sizeof_array); | |
107 | memcpy (new_array, array, sizeof_array); | |
108 | new_value->array = new_array; | |
109 | new_value->sizeof_array = sizeof_array; | |
110 | } | |
111 | new_value->owner = me; | |
112 | new_value->original = original; | |
113 | new_value->disposition = disposition; | |
114 | ||
115 | /* insert the value into the list */ | |
116 | new_entry = HW_ZALLOC (me, struct hw_property_data); | |
117 | *insertion_point = new_entry; | |
118 | if (sizeof_init_array > 0) | |
119 | { | |
120 | void *new_init_array = hw_zalloc (me, sizeof_init_array); | |
121 | memcpy (new_init_array, init_array, sizeof_init_array); | |
122 | new_entry->init_array = new_init_array; | |
123 | new_entry->sizeof_init_array = sizeof_init_array; | |
124 | } | |
125 | new_entry->property = new_value; | |
126 | } | |
127 | ||
128 | ||
129 | static void | |
130 | hw_set_property (struct hw *me, | |
131 | const char *property, | |
132 | hw_property_type type, | |
133 | const void *array, | |
134 | int sizeof_array) | |
135 | { | |
136 | /* find the property */ | |
137 | struct hw_property_data *entry = find_property_data (me, property); | |
138 | if (entry != NULL) | |
139 | { | |
140 | /* existing property - update it */ | |
141 | void *new_array = 0; | |
142 | struct hw_property *value = entry->property; | |
143 | /* check the type matches */ | |
144 | if (value->type != type) | |
145 | hw_abort (me, "conflict between type of new and old value for property %s", property); | |
146 | /* replace its value */ | |
147 | if (value->array != NULL) | |
148 | hw_free (me, (void*)value->array); | |
149 | new_array = (sizeof_array > 0 | |
150 | ? hw_zalloc (me, sizeof_array) | |
151 | : (void*)0); | |
152 | value->array = new_array; | |
153 | value->sizeof_array = sizeof_array; | |
154 | if (sizeof_array > 0) | |
155 | memcpy (new_array, array, sizeof_array); | |
156 | return; | |
157 | } | |
158 | else | |
159 | { | |
160 | /* new property - create it */ | |
161 | hw_add_property (me, property, type, | |
162 | NULL, 0, array, sizeof_array, | |
163 | NULL, temporary_object); | |
164 | } | |
165 | } | |
166 | ||
167 | ||
168 | #if 0 | |
169 | static void | |
170 | clean_hw_properties (struct hw *me) | |
171 | { | |
172 | struct hw_property_data **delete_point = &me->properties_of_hw; | |
173 | while (*delete_point != NULL) | |
174 | { | |
175 | struct hw_property_data *current = *delete_point; | |
176 | switch (current->property->disposition) | |
177 | { | |
178 | case permenant_object: | |
179 | /* zap the current value, will be initialized later */ | |
180 | ASSERT (current->init_array != NULL); | |
181 | if (current->property->array != NULL) | |
182 | { | |
183 | hw_free (me, (void*)current->property->array); | |
184 | current->property->array = NULL; | |
185 | } | |
186 | delete_point = &(*delete_point)->next; | |
187 | break; | |
188 | case temporary_object: | |
189 | /* zap the actual property, was created during simulation run */ | |
190 | ASSERT (current->init_array == NULL); | |
191 | *delete_point = current->next; | |
192 | if (current->property->array != NULL) | |
193 | hw_free (me, (void*)current->property->array); | |
194 | hw_free (me, current->property); | |
195 | hw_free (me, current); | |
196 | break; | |
197 | } | |
198 | } | |
199 | } | |
200 | #endif | |
201 | ||
202 | #if 0 | |
203 | void | |
204 | hw_init_static_properties (SIM_DESC sd, | |
205 | struct hw *me, | |
206 | void *data) | |
207 | { | |
208 | struct hw_property_data *property; | |
209 | for (property = me->properties_of_hw; | |
210 | property != NULL; | |
211 | property = property->next) | |
212 | { | |
213 | ASSERT (property->init_array != NULL); | |
214 | ASSERT (property->property->array == NULL); | |
215 | ASSERT(property->property->disposition == permenant_object); | |
216 | switch (property->property->type) | |
217 | { | |
218 | case array_property: | |
219 | case boolean_property: | |
220 | case range_array_property: | |
221 | case reg_array_property: | |
222 | case string_property: | |
223 | case string_array_property: | |
224 | case integer_property: | |
225 | /* delete the property, and replace it with the original */ | |
226 | hw_set_property (me, property->property->name, | |
227 | property->property->type, | |
228 | property->init_array, | |
229 | property->sizeof_init_array); | |
230 | break; | |
231 | #if 0 | |
232 | case ihandle_property: | |
233 | break; | |
234 | #endif | |
235 | } | |
236 | } | |
237 | } | |
238 | #endif | |
239 | ||
240 | ||
241 | #if 0 | |
242 | void | |
243 | hw_init_runtime_properties (SIM_DESC sd, | |
244 | struct hw *me, | |
245 | void *data) | |
246 | { | |
247 | struct hw_property_data *property; | |
248 | for (property = me->properties_of_hw; | |
249 | property != NULL; | |
250 | property = property->next) | |
251 | { | |
252 | switch (property->property->disposition) | |
253 | { | |
254 | case permenant_object: | |
255 | switch (property->property->type) | |
256 | { | |
257 | #if 0 | |
258 | case ihandle_property: | |
259 | { | |
260 | struct hw_instance *ihandle; | |
261 | ihandle_runtime_property_spec spec; | |
262 | ASSERT (property->init_array != NULL); | |
263 | ASSERT (property->property->array == NULL); | |
264 | hw_find_ihandle_runtime_property (me, property->property->name, &spec); | |
265 | ihandle = tree_instance (me, spec.full_path); | |
266 | hw_set_ihandle_property (me, property->property->name, ihandle); | |
267 | break; | |
268 | } | |
269 | #endif | |
270 | case array_property: | |
271 | case boolean_property: | |
272 | case range_array_property: | |
273 | case integer_property: | |
274 | case reg_array_property: | |
275 | case string_property: | |
276 | case string_array_property: | |
277 | ASSERT (property->init_array != NULL); | |
278 | ASSERT (property->property->array != NULL); | |
279 | break; | |
280 | } | |
281 | break; | |
282 | case temporary_object: | |
283 | ASSERT (property->init_array == NULL); | |
284 | ASSERT (property->property->array != NULL); | |
285 | break; | |
286 | } | |
287 | } | |
288 | } | |
289 | #endif | |
290 | ||
291 | ||
292 | ||
293 | const struct hw_property * | |
294 | hw_next_property (const struct hw_property *property) | |
295 | { | |
296 | /* find the property in the list */ | |
297 | struct hw *owner = property->owner; | |
298 | struct hw_property_data *entry = owner->properties_of_hw; | |
299 | while (entry != NULL && entry->property != property) | |
300 | entry = entry->next; | |
301 | /* now return the following property */ | |
302 | ASSERT (entry != NULL); /* must be a member! */ | |
303 | if (entry->next != NULL) | |
304 | return entry->next->property; | |
305 | else | |
306 | return NULL; | |
307 | } | |
308 | ||
309 | ||
310 | const struct hw_property * | |
311 | hw_find_property (struct hw *me, | |
312 | const char *property) | |
313 | { | |
314 | if (me == NULL) | |
315 | { | |
316 | return NULL; | |
317 | } | |
318 | else if (property == NULL || strcmp (property, "") == 0) | |
319 | { | |
320 | if (me->properties_of_hw == NULL) | |
321 | return NULL; | |
322 | else | |
323 | return me->properties_of_hw->property; | |
324 | } | |
325 | else | |
326 | { | |
327 | struct hw_property_data *entry = find_property_data (me, property); | |
328 | if (entry != NULL) | |
329 | return entry->property; | |
330 | } | |
331 | return NULL; | |
332 | } | |
333 | ||
334 | ||
335 | void | |
336 | hw_add_array_property (struct hw *me, | |
337 | const char *property, | |
338 | const void *array, | |
339 | int sizeof_array) | |
340 | { | |
341 | hw_add_property (me, property, array_property, | |
342 | array, sizeof_array, array, sizeof_array, | |
343 | NULL, permenant_object); | |
344 | } | |
345 | ||
346 | void | |
347 | hw_set_array_property (struct hw *me, | |
348 | const char *property, | |
349 | const void *array, | |
350 | int sizeof_array) | |
351 | { | |
352 | hw_set_property (me, property, array_property, array, sizeof_array); | |
353 | } | |
354 | ||
355 | const struct hw_property * | |
356 | hw_find_array_property (struct hw *me, | |
357 | const char *property) | |
358 | { | |
359 | const struct hw_property *node; | |
360 | node = hw_find_property (me, property); | |
361 | if (node == NULL) | |
362 | hw_abort (me, "property \"%s\" not found", property); | |
363 | if (node->type != array_property) | |
364 | hw_abort (me, "property \"%s\" of wrong type (array)", property); | |
365 | return node; | |
366 | } | |
367 | ||
368 | ||
369 | ||
370 | void | |
371 | hw_add_boolean_property (struct hw *me, | |
372 | const char *property, | |
373 | int boolean) | |
374 | { | |
375 | signed32 new_boolean = (boolean ? -1 : 0); | |
376 | hw_add_property (me, property, boolean_property, | |
377 | &new_boolean, sizeof(new_boolean), | |
378 | &new_boolean, sizeof(new_boolean), | |
379 | NULL, permenant_object); | |
380 | } | |
381 | ||
382 | int | |
383 | hw_find_boolean_property (struct hw *me, | |
384 | const char *property) | |
385 | { | |
386 | const struct hw_property *node; | |
387 | unsigned_cell boolean; | |
388 | node = hw_find_property (me, property); | |
389 | if (node == NULL) | |
390 | hw_abort (me, "property \"%s\" not found", property); | |
391 | if (node->type != boolean_property) | |
392 | hw_abort (me, "property \"%s\" of wrong type (boolean)", property); | |
393 | ASSERT (sizeof (boolean) == node->sizeof_array); | |
394 | memcpy (&boolean, node->array, sizeof (boolean)); | |
395 | return boolean; | |
396 | } | |
397 | ||
398 | ||
399 | ||
400 | #if 0 | |
401 | void | |
402 | hw_add_ihandle_runtime_property (struct hw *me, | |
403 | const char *property, | |
404 | const ihandle_runtime_property_spec *ihandle) | |
405 | { | |
406 | /* enter the full path as the init array */ | |
407 | hw_add_property (me, property, ihandle_property, | |
408 | ihandle->full_path, strlen(ihandle->full_path) + 1, | |
409 | NULL, 0, | |
410 | NULL, permenant_object); | |
411 | } | |
412 | #endif | |
413 | ||
414 | #if 0 | |
415 | void | |
416 | hw_find_ihandle_runtime_property (struct hw *me, | |
417 | const char *property, | |
418 | ihandle_runtime_property_spec *ihandle) | |
419 | { | |
420 | struct hw_property_data *entry = find_property_data (me, property); | |
421 | TRACE (trace_devices, | |
422 | ("hw_find_ihandle_runtime_property(me=0x%lx, property=%s)\n", | |
423 | (long)me, property)); | |
424 | if (entry == NULL) | |
425 | hw_abort (me, "property \"%s\" not found", property); | |
426 | if (entry->property->type != ihandle_property | |
427 | || entry->property->disposition != permenant_object) | |
428 | hw_abort (me, "property \"%s\" of wrong type", property); | |
429 | ASSERT (entry->init_array != NULL); | |
430 | /* the full path */ | |
431 | ihandle->full_path = entry->init_array; | |
432 | } | |
433 | #endif | |
434 | ||
435 | ||
436 | ||
437 | #if 0 | |
438 | void | |
439 | hw_set_ihandle_property (struct hw *me, | |
440 | const char *property, | |
441 | hw_instance *ihandle) | |
442 | { | |
443 | unsigned_cell cells; | |
444 | cells = H2BE_cell (hw_instance_to_external (ihandle)); | |
445 | hw_set_property (me, property, ihandle_property, | |
446 | &cells, sizeof (cells)); | |
447 | ||
448 | } | |
449 | #endif | |
450 | ||
451 | #if 0 | |
452 | hw_instance * | |
453 | hw_find_ihandle_property (struct hw *me, | |
454 | const char *property) | |
455 | { | |
456 | const hw_property_data *node; | |
457 | unsigned_cell ihandle; | |
458 | hw_instance *instance; | |
459 | ||
460 | node = hw_find_property (me, property); | |
461 | if (node == NULL) | |
462 | hw_abort (me, "property \"%s\" not found", property); | |
463 | if (node->type != ihandle_property) | |
464 | hw_abort(me, "property \"%s\" of wrong type (ihandle)", property); | |
465 | if (node->array == NULL) | |
466 | hw_abort(me, "runtime property \"%s\" not yet initialized", property); | |
467 | ||
468 | ASSERT (sizeof(ihandle) == node->sizeof_array); | |
469 | memcpy (&ihandle, node->array, sizeof(ihandle)); | |
470 | instance = external_to_hw_instance (me, BE2H_cell(ihandle)); | |
471 | ASSERT (instance != NULL); | |
472 | return instance; | |
473 | } | |
474 | #endif | |
475 | ||
476 | ||
477 | void | |
478 | hw_add_integer_property (struct hw *me, | |
479 | const char *property, | |
480 | signed_cell integer) | |
481 | { | |
482 | H2BE (integer); | |
483 | hw_add_property (me, property, integer_property, | |
484 | &integer, sizeof(integer), | |
485 | &integer, sizeof(integer), | |
486 | NULL, permenant_object); | |
487 | } | |
488 | ||
489 | signed_cell | |
490 | hw_find_integer_property (struct hw *me, | |
491 | const char *property) | |
492 | { | |
493 | const struct hw_property *node; | |
494 | signed_cell integer; | |
495 | TRACE (trace_devices, | |
496 | ("hw_find_integer(me=0x%lx, property=%s)\n", | |
497 | (long)me, property)); | |
498 | node = hw_find_property (me, property); | |
499 | if (node == NULL) | |
500 | hw_abort (me, "property \"%s\" not found", property); | |
501 | if (node->type != integer_property) | |
502 | hw_abort (me, "property \"%s\" of wrong type (integer)", property); | |
503 | ASSERT (sizeof(integer) == node->sizeof_array); | |
504 | memcpy (&integer, node->array, sizeof (integer)); | |
505 | return BE2H_cell (integer); | |
506 | } | |
507 | ||
508 | int | |
509 | hw_find_integer_array_property (struct hw *me, | |
510 | const char *property, | |
511 | unsigned index, | |
512 | signed_cell *integer) | |
513 | { | |
514 | const struct hw_property *node; | |
515 | int sizeof_integer = sizeof (*integer); | |
516 | signed_cell *cell; | |
517 | TRACE (trace_devices, | |
518 | ("hw_find_integer(me=0x%lx, property=%s)\n", | |
519 | (long)me, property)); | |
520 | ||
521 | /* check things sane */ | |
522 | node = hw_find_property (me, property); | |
523 | if (node == NULL) | |
524 | hw_abort (me, "property \"%s\" not found", property); | |
525 | if (node->type != integer_property | |
526 | && node->type != array_property) | |
527 | hw_abort (me, "property \"%s\" of wrong type (integer or array)", property); | |
528 | if ((node->sizeof_array % sizeof_integer) != 0) | |
529 | hw_abort (me, "property \"%s\" contains an incomplete number of cells", property); | |
530 | if (node->sizeof_array <= sizeof_integer * index) | |
531 | return 0; | |
532 | ||
533 | /* Find and convert the value */ | |
534 | cell = ((signed_cell*)node->array) + index; | |
535 | *integer = BE2H_cell (*cell); | |
536 | ||
537 | return node->sizeof_array / sizeof_integer; | |
538 | } | |
539 | ||
540 | ||
541 | static unsigned_cell * | |
542 | unit_address_to_cells (const hw_unit *unit, | |
543 | unsigned_cell *cell, | |
544 | int nr_cells) | |
545 | { | |
546 | int i; | |
547 | ASSERT(nr_cells == unit->nr_cells); | |
548 | for (i = 0; i < unit->nr_cells; i++) | |
549 | { | |
550 | *cell = H2BE_cell (unit->cells[i]); | |
551 | cell += 1; | |
552 | } | |
553 | return cell; | |
554 | } | |
555 | ||
556 | ||
557 | static const unsigned_cell * | |
558 | cells_to_unit_address (const unsigned_cell *cell, | |
559 | hw_unit *unit, | |
560 | int nr_cells) | |
561 | { | |
562 | int i; | |
563 | memset(unit, 0, sizeof(*unit)); | |
564 | unit->nr_cells = nr_cells; | |
565 | for (i = 0; i < unit->nr_cells; i++) | |
566 | { | |
567 | unit->cells[i] = BE2H_cell (*cell); | |
568 | cell += 1; | |
569 | } | |
570 | return cell; | |
571 | } | |
572 | ||
573 | ||
574 | static unsigned | |
575 | nr_range_property_cells (struct hw *me, | |
576 | int nr_ranges) | |
577 | { | |
578 | return ((hw_unit_nr_address_cells (me) | |
579 | + hw_unit_nr_address_cells (hw_parent (me)) | |
580 | + hw_unit_nr_size_cells (me)) | |
581 | ) * nr_ranges; | |
582 | } | |
583 | ||
584 | void | |
585 | hw_add_range_array_property (struct hw *me, | |
586 | const char *property, | |
587 | const range_property_spec *ranges, | |
588 | unsigned nr_ranges) | |
589 | { | |
590 | unsigned sizeof_cells = (nr_range_property_cells (me, nr_ranges) | |
591 | * sizeof (unsigned_cell)); | |
592 | unsigned_cell *cells = hw_zalloc (me, sizeof_cells); | |
593 | unsigned_cell *cell; | |
594 | int i; | |
595 | ||
596 | /* copy the property elements over */ | |
597 | cell = cells; | |
598 | for (i = 0; i < nr_ranges; i++) | |
599 | { | |
600 | const range_property_spec *range = &ranges[i]; | |
601 | /* copy the child address */ | |
602 | cell = unit_address_to_cells (&range->child_address, cell, | |
603 | hw_unit_nr_address_cells (me)); | |
604 | /* copy the parent address */ | |
605 | cell = unit_address_to_cells (&range->parent_address, cell, | |
606 | hw_unit_nr_address_cells (hw_parent (me))); | |
607 | /* copy the size */ | |
608 | cell = unit_address_to_cells (&range->size, cell, | |
609 | hw_unit_nr_size_cells (me)); | |
610 | } | |
611 | ASSERT (cell == &cells[nr_range_property_cells (me, nr_ranges)]); | |
612 | ||
613 | /* add it */ | |
614 | hw_add_property (me, property, range_array_property, | |
615 | cells, sizeof_cells, | |
616 | cells, sizeof_cells, | |
617 | NULL, permenant_object); | |
618 | ||
619 | hw_free (me, cells); | |
620 | } | |
621 | ||
622 | int | |
623 | hw_find_range_array_property (struct hw *me, | |
624 | const char *property, | |
625 | unsigned index, | |
626 | range_property_spec *range) | |
627 | { | |
628 | const struct hw_property *node; | |
629 | unsigned sizeof_entry = (nr_range_property_cells (me, 1) | |
630 | * sizeof (unsigned_cell)); | |
631 | const unsigned_cell *cells; | |
632 | ||
633 | /* locate the property */ | |
634 | node = hw_find_property (me, property); | |
635 | if (node == NULL) | |
636 | hw_abort (me, "property \"%s\" not found", property); | |
637 | if (node->type != range_array_property) | |
638 | hw_abort (me, "property \"%s\" of wrong type (range array)", property); | |
639 | ||
640 | /* aligned ? */ | |
641 | if ((node->sizeof_array % sizeof_entry) != 0) | |
642 | hw_abort (me, "property \"%s\" contains an incomplete number of entries", | |
643 | property); | |
644 | ||
645 | /* within bounds? */ | |
646 | if (node->sizeof_array < sizeof_entry * (index + 1)) | |
647 | return 0; | |
648 | ||
649 | /* find the range of interest */ | |
650 | cells = (unsigned_cell*)((char*)node->array + sizeof_entry * index); | |
651 | ||
652 | /* copy the child address out - converting as we go */ | |
653 | cells = cells_to_unit_address (cells, &range->child_address, | |
654 | hw_unit_nr_address_cells (me)); | |
655 | ||
656 | /* copy the parent address out - converting as we go */ | |
657 | cells = cells_to_unit_address (cells, &range->parent_address, | |
658 | hw_unit_nr_address_cells (hw_parent (me))); | |
659 | ||
660 | /* copy the size - converting as we go */ | |
661 | cells = cells_to_unit_address (cells, &range->size, | |
662 | hw_unit_nr_size_cells (me)); | |
663 | ||
664 | return node->sizeof_array / sizeof_entry; | |
665 | } | |
666 | ||
667 | ||
668 | static unsigned | |
669 | nr_reg_property_cells (struct hw *me, | |
670 | int nr_regs) | |
671 | { | |
672 | return (hw_unit_nr_address_cells (hw_parent(me)) | |
673 | + hw_unit_nr_size_cells (hw_parent(me)) | |
674 | ) * nr_regs; | |
675 | } | |
676 | ||
677 | void | |
678 | hw_add_reg_array_property (struct hw *me, | |
679 | const char *property, | |
680 | const reg_property_spec *regs, | |
681 | unsigned nr_regs) | |
682 | { | |
683 | unsigned sizeof_cells = (nr_reg_property_cells (me, nr_regs) | |
684 | * sizeof (unsigned_cell)); | |
685 | unsigned_cell *cells = hw_zalloc (me, sizeof_cells); | |
686 | unsigned_cell *cell; | |
687 | int i; | |
688 | ||
689 | /* copy the property elements over */ | |
690 | cell = cells; | |
691 | for (i = 0; i < nr_regs; i++) | |
692 | { | |
693 | const reg_property_spec *reg = ®s[i]; | |
694 | /* copy the address */ | |
695 | cell = unit_address_to_cells (®->address, cell, | |
696 | hw_unit_nr_address_cells (hw_parent (me))); | |
697 | /* copy the size */ | |
698 | cell = unit_address_to_cells (®->size, cell, | |
699 | hw_unit_nr_size_cells (hw_parent (me))); | |
700 | } | |
701 | ASSERT (cell == &cells[nr_reg_property_cells (me, nr_regs)]); | |
702 | ||
703 | /* add it */ | |
704 | hw_add_property (me, property, reg_array_property, | |
705 | cells, sizeof_cells, | |
706 | cells, sizeof_cells, | |
707 | NULL, permenant_object); | |
708 | ||
709 | hw_free (me, cells); | |
710 | } | |
711 | ||
712 | int | |
713 | hw_find_reg_array_property (struct hw *me, | |
714 | const char *property, | |
715 | unsigned index, | |
716 | reg_property_spec *reg) | |
717 | { | |
718 | const struct hw_property *node; | |
719 | unsigned sizeof_entry = (nr_reg_property_cells (me, 1) | |
720 | * sizeof (unsigned_cell)); | |
721 | const unsigned_cell *cells; | |
722 | ||
723 | /* locate the property */ | |
724 | node = hw_find_property (me, property); | |
725 | if (node == NULL) | |
726 | hw_abort (me, "property \"%s\" not found", property); | |
727 | if (node->type != reg_array_property) | |
728 | hw_abort (me, "property \"%s\" of wrong type (reg array)", property); | |
729 | ||
730 | /* aligned ? */ | |
731 | if ((node->sizeof_array % sizeof_entry) != 0) | |
732 | hw_abort (me, "property \"%s\" contains an incomplete number of entries", | |
733 | property); | |
734 | ||
735 | /* within bounds? */ | |
736 | if (node->sizeof_array < sizeof_entry * (index + 1)) | |
737 | return 0; | |
738 | ||
739 | /* find the range of interest */ | |
740 | cells = (unsigned_cell*)((char*)node->array + sizeof_entry * index); | |
741 | ||
742 | /* copy the address out - converting as we go */ | |
743 | cells = cells_to_unit_address (cells, ®->address, | |
744 | hw_unit_nr_address_cells (hw_parent (me))); | |
745 | ||
746 | /* copy the size out - converting as we go */ | |
747 | cells = cells_to_unit_address (cells, ®->size, | |
748 | hw_unit_nr_size_cells (hw_parent (me))); | |
749 | ||
750 | return node->sizeof_array / sizeof_entry; | |
751 | } | |
752 | ||
753 | ||
754 | void | |
755 | hw_add_string_property (struct hw *me, | |
756 | const char *property, | |
757 | const char *string) | |
758 | { | |
759 | hw_add_property (me, property, string_property, | |
760 | string, strlen(string) + 1, | |
761 | string, strlen(string) + 1, | |
762 | NULL, permenant_object); | |
763 | } | |
764 | ||
765 | const char * | |
766 | hw_find_string_property (struct hw *me, | |
767 | const char *property) | |
768 | { | |
769 | const struct hw_property *node; | |
770 | const char *string; | |
771 | node = hw_find_property (me, property); | |
772 | if (node == NULL) | |
773 | hw_abort (me, "property \"%s\" not found", property); | |
774 | if (node->type != string_property) | |
775 | hw_abort (me, "property \"%s\" of wrong type (string)", property); | |
776 | string = node->array; | |
777 | ASSERT (strlen(string) + 1 == node->sizeof_array); | |
778 | return string; | |
779 | } | |
780 | ||
781 | void | |
782 | hw_add_string_array_property (struct hw *me, | |
783 | const char *property, | |
784 | const string_property_spec *strings, | |
785 | unsigned nr_strings) | |
786 | { | |
787 | int sizeof_array; | |
788 | int string_nr; | |
789 | char *array; | |
790 | char *chp; | |
791 | if (nr_strings == 0) | |
792 | hw_abort (me, "property \"%s\" must be non-null", property); | |
793 | /* total up the size of the needed array */ | |
794 | for (sizeof_array = 0, string_nr = 0; | |
795 | string_nr < nr_strings; | |
796 | string_nr ++) | |
797 | { | |
798 | sizeof_array += strlen (strings[string_nr]) + 1; | |
799 | } | |
800 | /* create the array */ | |
801 | array = (char*) hw_zalloc (me, sizeof_array); | |
802 | chp = array; | |
803 | for (string_nr = 0; | |
804 | string_nr < nr_strings; | |
805 | string_nr++) | |
806 | { | |
807 | strcpy (chp, strings[string_nr]); | |
808 | chp += strlen (chp) + 1; | |
809 | } | |
810 | ASSERT (chp == array + sizeof_array); | |
811 | /* now enter it */ | |
812 | hw_add_property (me, property, string_array_property, | |
813 | array, sizeof_array, | |
814 | array, sizeof_array, | |
815 | NULL, permenant_object); | |
816 | } | |
817 | ||
818 | int | |
819 | hw_find_string_array_property (struct hw *me, | |
820 | const char *property, | |
821 | unsigned index, | |
822 | string_property_spec *string) | |
823 | { | |
824 | const struct hw_property *node; | |
825 | node = hw_find_property (me, property); | |
826 | if (node == NULL) | |
827 | hw_abort (me, "property \"%s\" not found", property); | |
828 | switch (node->type) | |
829 | { | |
830 | default: | |
831 | hw_abort (me, "property \"%s\" of wrong type", property); | |
832 | break; | |
833 | case string_property: | |
834 | if (index == 0) | |
835 | { | |
836 | *string = node->array; | |
837 | ASSERT (strlen(*string) + 1 == node->sizeof_array); | |
838 | return 1; | |
839 | } | |
840 | break; | |
841 | case array_property: | |
842 | if (node->sizeof_array == 0 | |
843 | || ((char*)node->array)[node->sizeof_array - 1] != '\0') | |
844 | hw_abort (me, "property \"%s\" invalid for string array", property); | |
845 | /* FALL THROUGH */ | |
846 | case string_array_property: | |
847 | ASSERT (node->sizeof_array > 0); | |
848 | ASSERT (((char*)node->array)[node->sizeof_array - 1] == '\0'); | |
849 | { | |
850 | const char *chp = node->array; | |
851 | int nr_entries = 0; | |
852 | /* count the number of strings, keeping an eye out for the one | |
853 | we're looking for */ | |
854 | *string = chp; | |
855 | do | |
856 | { | |
857 | if (*chp == '\0') | |
858 | { | |
859 | /* next string */ | |
860 | nr_entries++; | |
861 | chp++; | |
862 | if (nr_entries == index) | |
863 | *string = chp; | |
864 | } | |
865 | else | |
866 | { | |
867 | chp++; | |
868 | } | |
869 | } while (chp < (char*)node->array + node->sizeof_array); | |
870 | if (index < nr_entries) | |
871 | return nr_entries; | |
872 | else | |
873 | { | |
874 | *string = NULL; | |
875 | return 0; | |
876 | } | |
877 | } | |
878 | break; | |
879 | } | |
880 | return 0; | |
881 | } | |
882 | ||
883 | void | |
884 | hw_add_duplicate_property (struct hw *me, | |
885 | const char *property, | |
886 | const struct hw_property *original) | |
887 | { | |
888 | struct hw_property_data *master; | |
889 | TRACE (trace_devices, | |
890 | ("hw_add_duplicate_property(me=0x%lx, property=%s, ...)\n", | |
891 | (long)me, property)); | |
892 | if (original->disposition != permenant_object) | |
893 | hw_abort (me, "Can only duplicate permenant objects"); | |
894 | /* find the original's master */ | |
895 | master = original->owner->properties_of_hw; | |
896 | while (master->property != original) | |
897 | { | |
898 | master = master->next; | |
899 | ASSERT(master != NULL); | |
900 | } | |
901 | /* now duplicate it */ | |
902 | hw_add_property (me, property, | |
903 | original->type, | |
904 | master->init_array, master->sizeof_init_array, | |
905 | original->array, original->sizeof_array, | |
906 | original, permenant_object); | |
907 | } |