| 1 | /* This file is part of the program psim. |
| 2 | |
| 3 | Copyright (C) 1994-1997, Andrew Cagney <cagney@highland.com.au> |
| 4 | |
| 5 | This program is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by |
| 7 | the Free Software Foundation; either version 2 of the License, or |
| 8 | (at your option) any later version. |
| 9 | |
| 10 | This program is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | GNU General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU General Public License |
| 16 | along with this program; if not, write to the Free Software |
| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 18 | |
| 19 | */ |
| 20 | |
| 21 | |
| 22 | #ifndef _PARSE_C_ |
| 23 | #define _PARSE_C_ |
| 24 | |
| 25 | #include <stdio.h> |
| 26 | #include <stdarg.h> |
| 27 | |
| 28 | #include "basics.h" |
| 29 | |
| 30 | #include "device.h" |
| 31 | #include "tree.h" |
| 32 | |
| 33 | |
| 34 | #ifdef HAVE_STDLIB_H |
| 35 | #include <stdlib.h> |
| 36 | #endif |
| 37 | |
| 38 | #ifdef HAVE_STRING_H |
| 39 | #include <string.h> |
| 40 | #else |
| 41 | #ifdef HAVE_STRINGS_H |
| 42 | #include <strings.h> |
| 43 | #endif |
| 44 | #endif |
| 45 | |
| 46 | #include <ctype.h> |
| 47 | |
| 48 | #include "libiberty.h" |
| 49 | |
| 50 | /* manipulate/lookup device names */ |
| 51 | |
| 52 | typedef struct _name_specifier { |
| 53 | /* components in the full length name */ |
| 54 | char *path; |
| 55 | char *property; |
| 56 | char *value; |
| 57 | /* current device */ |
| 58 | char *name; |
| 59 | char *base; |
| 60 | char *unit; |
| 61 | char *args; |
| 62 | /* previous device */ |
| 63 | char *last_name; |
| 64 | char *last_base; |
| 65 | char *last_unit; |
| 66 | char *last_args; |
| 67 | /* work area */ |
| 68 | char buf[1024]; |
| 69 | } name_specifier; |
| 70 | |
| 71 | |
| 72 | |
| 73 | /* Given a device specifier, break it up into its main components: |
| 74 | path (and if present) property name and property value. */ |
| 75 | |
| 76 | STATIC_INLINE_TREE\ |
| 77 | (int) |
| 78 | split_device_specifier(device *current, |
| 79 | const char *device_specifier, |
| 80 | name_specifier *spec) |
| 81 | { |
| 82 | char *chp = NULL; |
| 83 | |
| 84 | /* expand any leading alias if present */ |
| 85 | if (current != NULL |
| 86 | && *device_specifier != '\0' |
| 87 | && *device_specifier != '.' |
| 88 | && *device_specifier != '/') { |
| 89 | device *aliases = tree_find_device(current, "/aliases"); |
| 90 | char alias[32]; |
| 91 | int len = 0; |
| 92 | while (device_specifier[len] != '\0' |
| 93 | && device_specifier[len] != '/' |
| 94 | && device_specifier[len] != ':' |
| 95 | && !isspace(device_specifier[len])) { |
| 96 | alias[len] = device_specifier[len]; |
| 97 | len++; |
| 98 | if (len >= sizeof(alias)) |
| 99 | error("split_device_specifier: buffer overflow"); |
| 100 | } |
| 101 | alias[len] = '\0'; |
| 102 | if (aliases != NULL |
| 103 | && device_find_property(aliases, alias)) { |
| 104 | strcpy(spec->buf, device_find_string_property(aliases, alias)); |
| 105 | strcat(spec->buf, device_specifier + len); |
| 106 | } |
| 107 | else { |
| 108 | strcpy(spec->buf, device_specifier); |
| 109 | } |
| 110 | } |
| 111 | else { |
| 112 | strcpy(spec->buf, device_specifier); |
| 113 | } |
| 114 | |
| 115 | /* check no overflow */ |
| 116 | if (strlen(spec->buf) >= sizeof(spec->buf)) |
| 117 | error("split_device_specifier: buffer overflow\n"); |
| 118 | |
| 119 | /* strip leading spaces */ |
| 120 | chp = spec->buf; |
| 121 | while (*chp != '\0' && isspace(*chp)) |
| 122 | chp++; |
| 123 | if (*chp == '\0') |
| 124 | return 0; |
| 125 | |
| 126 | /* find the path and terminate it with null */ |
| 127 | spec->path = chp; |
| 128 | while (*chp != '\0' && !isspace(*chp)) |
| 129 | chp++; |
| 130 | if (*chp != '\0') { |
| 131 | *chp = '\0'; |
| 132 | chp++; |
| 133 | } |
| 134 | |
| 135 | /* and any value */ |
| 136 | while (*chp != '\0' && isspace(*chp)) |
| 137 | chp++; |
| 138 | spec->value = chp; |
| 139 | |
| 140 | /* now go back and chop the property off of the path */ |
| 141 | if (spec->value[0] == '\0') { |
| 142 | spec->property = NULL; /*not a property*/ |
| 143 | spec->value = NULL; |
| 144 | } |
| 145 | else if (spec->value[0] == '>' |
| 146 | || spec->value[0] == '<') { |
| 147 | /* an interrupt spec */ |
| 148 | spec->property = NULL; |
| 149 | } |
| 150 | else { |
| 151 | chp = strrchr(spec->path, '/'); |
| 152 | if (chp == NULL) { |
| 153 | spec->property = spec->path; |
| 154 | spec->path = strchr(spec->property, '\0'); |
| 155 | } |
| 156 | else { |
| 157 | *chp = '\0'; |
| 158 | spec->property = chp+1; |
| 159 | } |
| 160 | } |
| 161 | |
| 162 | /* and mark the rest as invalid */ |
| 163 | spec->name = NULL; |
| 164 | spec->base = NULL; |
| 165 | spec->unit = NULL; |
| 166 | spec->args = NULL; |
| 167 | spec->last_name = NULL; |
| 168 | spec->last_base = NULL; |
| 169 | spec->last_unit = NULL; |
| 170 | spec->last_args = NULL; |
| 171 | |
| 172 | return 1; |
| 173 | } |
| 174 | |
| 175 | |
| 176 | /* given a device specifier break it up into its main components - |
| 177 | path and property name - assuming that the last `device' is a |
| 178 | property name. */ |
| 179 | |
| 180 | STATIC_INLINE_DEVICE\ |
| 181 | (int) |
| 182 | split_property_specifier(device *current, |
| 183 | const char *property_specifier, |
| 184 | name_specifier *spec) |
| 185 | { |
| 186 | if (split_device_specifier(current, property_specifier, spec)) { |
| 187 | if (spec->property == NULL) { |
| 188 | /* force the last name to be a property name */ |
| 189 | char *chp = strrchr(spec->path, '/'); |
| 190 | if (chp == NULL) { |
| 191 | spec->property = spec->path; |
| 192 | spec->path = strrchr(spec->property, '\0');; |
| 193 | } |
| 194 | else { |
| 195 | *chp = '\0'; |
| 196 | spec->property = chp+1; |
| 197 | } |
| 198 | } |
| 199 | return 1; |
| 200 | } |
| 201 | else |
| 202 | return 0; |
| 203 | } |
| 204 | |
| 205 | |
| 206 | /* device the next device name and split it up, return 0 when no more |
| 207 | names to device */ |
| 208 | |
| 209 | STATIC_INLINE_TREE\ |
| 210 | (int) |
| 211 | split_device_name(name_specifier *spec) |
| 212 | { |
| 213 | char *chp; |
| 214 | /* remember what came before */ |
| 215 | spec->last_name = spec->name; |
| 216 | spec->last_base = spec->base; |
| 217 | spec->last_unit = spec->unit; |
| 218 | spec->last_args = spec->args; |
| 219 | /* finished? */ |
| 220 | if (spec->path[0] == '\0') { |
| 221 | spec->name = NULL; |
| 222 | spec->base = NULL; |
| 223 | spec->unit = NULL; |
| 224 | spec->args = NULL; |
| 225 | return 0; |
| 226 | } |
| 227 | /* break the current device spec from the path */ |
| 228 | spec->name = spec->path; |
| 229 | chp = strchr(spec->name, '/'); |
| 230 | if (chp == NULL) |
| 231 | spec->path = strchr(spec->name, '\0'); |
| 232 | else { |
| 233 | spec->path = chp+1; |
| 234 | *chp = '\0'; |
| 235 | } |
| 236 | /* break out the base */ |
| 237 | if (spec->name[0] == '(') { |
| 238 | chp = strchr(spec->name, ')'); |
| 239 | if (chp == NULL) { |
| 240 | spec->base = spec->name; |
| 241 | } |
| 242 | else { |
| 243 | *chp = '\0'; |
| 244 | spec->base = spec->name + 1; |
| 245 | spec->name = chp + 1; |
| 246 | } |
| 247 | } |
| 248 | else { |
| 249 | spec->base = spec->name; |
| 250 | } |
| 251 | /* now break out the unit */ |
| 252 | chp = strchr(spec->name, '@'); |
| 253 | if (chp == NULL) { |
| 254 | spec->unit = NULL; |
| 255 | chp = spec->name; |
| 256 | } |
| 257 | else { |
| 258 | *chp = '\0'; |
| 259 | chp += 1; |
| 260 | spec->unit = chp; |
| 261 | } |
| 262 | /* finally any args */ |
| 263 | chp = strchr(chp, ':'); |
| 264 | if (chp == NULL) |
| 265 | spec->args = NULL; |
| 266 | else { |
| 267 | *chp = '\0'; |
| 268 | spec->args = chp+1; |
| 269 | } |
| 270 | return 1; |
| 271 | } |
| 272 | |
| 273 | |
| 274 | /* device the value, returning the next non-space token */ |
| 275 | |
| 276 | STATIC_INLINE_TREE\ |
| 277 | (char *) |
| 278 | split_value(name_specifier *spec) |
| 279 | { |
| 280 | char *token; |
| 281 | if (spec->value == NULL) |
| 282 | return NULL; |
| 283 | /* skip leading white space */ |
| 284 | while (isspace(spec->value[0])) |
| 285 | spec->value++; |
| 286 | if (spec->value[0] == '\0') { |
| 287 | spec->value = NULL; |
| 288 | return NULL; |
| 289 | } |
| 290 | token = spec->value; |
| 291 | /* find trailing space */ |
| 292 | while (spec->value[0] != '\0' && !isspace(spec->value[0])) |
| 293 | spec->value++; |
| 294 | /* chop this value out */ |
| 295 | if (spec->value[0] != '\0') { |
| 296 | spec->value[0] = '\0'; |
| 297 | spec->value++; |
| 298 | } |
| 299 | return token; |
| 300 | } |
| 301 | |
| 302 | |
| 303 | |
| 304 | /* traverse the path specified by spec starting at current */ |
| 305 | |
| 306 | STATIC_INLINE_TREE\ |
| 307 | (device *) |
| 308 | split_find_device(device *current, |
| 309 | name_specifier *spec) |
| 310 | { |
| 311 | /* strip off (and process) any leading ., .., ./ and / */ |
| 312 | while (1) { |
| 313 | if (strncmp(spec->path, "/", strlen("/")) == 0) { |
| 314 | /* cd /... */ |
| 315 | while (current != NULL && device_parent(current) != NULL) |
| 316 | current = device_parent(current); |
| 317 | spec->path += strlen("/"); |
| 318 | } |
| 319 | else if (strncmp(spec->path, "./", strlen("./")) == 0) { |
| 320 | /* cd ./... */ |
| 321 | current = current; |
| 322 | spec->path += strlen("./"); |
| 323 | } |
| 324 | else if (strncmp(spec->path, "../", strlen("../")) == 0) { |
| 325 | /* cd ../... */ |
| 326 | if (current != NULL && device_parent(current) != NULL) |
| 327 | current = device_parent(current); |
| 328 | spec->path += strlen("../"); |
| 329 | } |
| 330 | else if (strcmp(spec->path, ".") == 0) { |
| 331 | /* cd . */ |
| 332 | current = current; |
| 333 | spec->path += strlen("."); |
| 334 | } |
| 335 | else if (strcmp(spec->path, "..") == 0) { |
| 336 | /* cd . */ |
| 337 | if (current != NULL && device_parent(current) != NULL) |
| 338 | current = device_parent(current); |
| 339 | spec->path += strlen(".."); |
| 340 | } |
| 341 | else |
| 342 | break; |
| 343 | } |
| 344 | |
| 345 | /* now go through the path proper */ |
| 346 | |
| 347 | if (current == NULL) { |
| 348 | split_device_name(spec); |
| 349 | return NULL; |
| 350 | } |
| 351 | |
| 352 | while (split_device_name(spec)) { |
| 353 | device *child; |
| 354 | for (child = device_child(current); |
| 355 | child != NULL; child = device_sibling(child)) { |
| 356 | if (strcmp(spec->name, device_name(child)) == 0) { |
| 357 | if (spec->unit == NULL) |
| 358 | break; |
| 359 | else { |
| 360 | device_unit phys; |
| 361 | device_decode_unit(current, spec->unit, &phys); |
| 362 | if (memcmp(&phys, device_unit_address(child), |
| 363 | sizeof(device_unit)) == 0) |
| 364 | break; |
| 365 | } |
| 366 | } |
| 367 | } |
| 368 | if (child == NULL) |
| 369 | return current; /* search failed */ |
| 370 | current = child; |
| 371 | } |
| 372 | |
| 373 | return current; |
| 374 | } |
| 375 | |
| 376 | |
| 377 | STATIC_INLINE_TREE\ |
| 378 | (device *) |
| 379 | split_fill_path(device *current, |
| 380 | const char *device_specifier, |
| 381 | name_specifier *spec) |
| 382 | { |
| 383 | /* break it up */ |
| 384 | if (!split_device_specifier(current, device_specifier, spec)) |
| 385 | device_error(current, "error parsing %s\n", device_specifier); |
| 386 | |
| 387 | /* fill our tree with its contents */ |
| 388 | current = split_find_device(current, spec); |
| 389 | |
| 390 | /* add any additional devices as needed */ |
| 391 | if (spec->name != NULL) { |
| 392 | do { |
| 393 | current = device_create(current, spec->base, spec->name, |
| 394 | spec->unit, spec->args); |
| 395 | } while (split_device_name(spec)); |
| 396 | } |
| 397 | |
| 398 | return current; |
| 399 | } |
| 400 | |
| 401 | |
| 402 | INLINE_TREE\ |
| 403 | (void) |
| 404 | tree_init(device *root, |
| 405 | psim *system) |
| 406 | { |
| 407 | TRACE(trace_device_tree, ("tree_init(root=0x%lx, system=0x%lx)\n", |
| 408 | (long)root, |
| 409 | (long)system)); |
| 410 | /* remove the old, rebuild the new */ |
| 411 | tree_traverse(root, device_clean, NULL, system); |
| 412 | tree_traverse(root, device_init_static_properties, NULL, system); |
| 413 | tree_traverse(root, device_init_address, NULL, system); |
| 414 | tree_traverse(root, device_init_runtime_properties, NULL, system); |
| 415 | tree_traverse(root, device_init_data, NULL, system); |
| 416 | } |
| 417 | |
| 418 | |
| 419 | \f |
| 420 | /* <non-white-space> */ |
| 421 | |
| 422 | STATIC_INLINE_TREE\ |
| 423 | (const char *) |
| 424 | skip_token(const char *chp) |
| 425 | { |
| 426 | while (!isspace(*chp) && *chp != '\0') |
| 427 | chp++; |
| 428 | while (isspace(*chp) && *chp != '\0') |
| 429 | chp++; |
| 430 | return chp; |
| 431 | } |
| 432 | |
| 433 | |
| 434 | /* count the number of entries */ |
| 435 | |
| 436 | STATIC_INLINE_TREE\ |
| 437 | (int) |
| 438 | count_entries(device *current, |
| 439 | const char *property_name, |
| 440 | const char *property_value, |
| 441 | int modulo) |
| 442 | { |
| 443 | const char *chp = property_value; |
| 444 | int nr_entries = 0; |
| 445 | while (*chp != '\0') { |
| 446 | nr_entries += 1; |
| 447 | chp = skip_token(chp); |
| 448 | } |
| 449 | if ((nr_entries % modulo) != 0) { |
| 450 | device_error(current, "incorrect number of entries for %s property %s, should be multiple of %d", |
| 451 | property_name, property_value, modulo); |
| 452 | } |
| 453 | return nr_entries / modulo; |
| 454 | } |
| 455 | |
| 456 | |
| 457 | |
| 458 | /* parse: <address> ::= <token> ; device dependant */ |
| 459 | |
| 460 | STATIC_INLINE_TREE\ |
| 461 | (const char *) |
| 462 | parse_address(device *current, |
| 463 | device *bus, |
| 464 | const char *chp, |
| 465 | device_unit *address) |
| 466 | { |
| 467 | ASSERT(device_nr_address_cells(bus) > 0); |
| 468 | if (device_decode_unit(bus, chp, address) < 0) |
| 469 | device_error(current, "invalid unit address in %s", chp); |
| 470 | return skip_token(chp); |
| 471 | } |
| 472 | |
| 473 | |
| 474 | /* parse: <size> ::= <number> { "," <number> } ; */ |
| 475 | |
| 476 | STATIC_INLINE_TREE\ |
| 477 | (const char *) |
| 478 | parse_size(device *current, |
| 479 | device *bus, |
| 480 | const char *chp, |
| 481 | device_unit *size) |
| 482 | { |
| 483 | int i; |
| 484 | int nr; |
| 485 | const char *curr = chp; |
| 486 | memset(size, 0, sizeof(*size)); |
| 487 | /* parse the numeric list */ |
| 488 | size->nr_cells = device_nr_size_cells(bus); |
| 489 | nr = 0; |
| 490 | ASSERT(size->nr_cells > 0); |
| 491 | while (1) { |
| 492 | char *next; |
| 493 | size->cells[nr] = strtoul(curr, &next, 0); |
| 494 | if (curr == next) |
| 495 | device_error(current, "Problem parsing <size> %s", chp); |
| 496 | nr += 1; |
| 497 | if (next[0] != ',') |
| 498 | break; |
| 499 | if (nr == size->nr_cells) |
| 500 | device_error(current, "Too many values in <size> %s", chp); |
| 501 | curr = next + 1; |
| 502 | } |
| 503 | ASSERT(nr > 0 && nr <= size->nr_cells); |
| 504 | /* right align the numbers */ |
| 505 | for (i = 1; i <= size->nr_cells; i++) { |
| 506 | if (i <= nr) |
| 507 | size->cells[size->nr_cells - i] = size->cells[nr - i]; |
| 508 | else |
| 509 | size->cells[size->nr_cells - i] = 0; |
| 510 | } |
| 511 | return skip_token(chp); |
| 512 | } |
| 513 | |
| 514 | |
| 515 | /* parse: <reg> ::= { <address> <size> } ; */ |
| 516 | |
| 517 | STATIC_INLINE_TREE\ |
| 518 | (void) |
| 519 | parse_reg_property(device *current, |
| 520 | const char *property_name, |
| 521 | const char *property_value) |
| 522 | { |
| 523 | int nr_regs; |
| 524 | int reg_nr; |
| 525 | reg_property_spec *regs; |
| 526 | const char *chp; |
| 527 | device *bus = device_parent(current); |
| 528 | |
| 529 | /* determine the number of reg entries by counting tokens */ |
| 530 | nr_regs = count_entries(current, property_name, property_value, |
| 531 | 1 + (device_nr_size_cells(bus) > 0)); |
| 532 | |
| 533 | /* create working space */ |
| 534 | regs = zalloc(nr_regs * sizeof(*regs)); |
| 535 | |
| 536 | /* fill it in */ |
| 537 | chp = property_value; |
| 538 | for (reg_nr = 0; reg_nr < nr_regs; reg_nr++) { |
| 539 | chp = parse_address(current, bus, chp, ®s[reg_nr].address); |
| 540 | if (device_nr_size_cells(bus) > 0) |
| 541 | chp = parse_size(current, bus, chp, ®s[reg_nr].size); |
| 542 | else |
| 543 | memset(®s[reg_nr].size, 0, sizeof (®s[reg_nr].size)); |
| 544 | } |
| 545 | |
| 546 | /* create it */ |
| 547 | device_add_reg_array_property(current, property_name, |
| 548 | regs, nr_regs); |
| 549 | |
| 550 | zfree(regs); |
| 551 | } |
| 552 | |
| 553 | |
| 554 | /* { <child-address> <parent-address> <child-size> }* */ |
| 555 | |
| 556 | STATIC_INLINE_TREE\ |
| 557 | (void) |
| 558 | parse_ranges_property(device *current, |
| 559 | const char *property_name, |
| 560 | const char *property_value) |
| 561 | { |
| 562 | int nr_ranges; |
| 563 | int range_nr; |
| 564 | range_property_spec *ranges; |
| 565 | const char *chp; |
| 566 | |
| 567 | /* determine the number of ranges specified */ |
| 568 | nr_ranges = count_entries(current, property_name, property_value, 3); |
| 569 | |
| 570 | /* create a property of that size */ |
| 571 | ranges = zalloc(nr_ranges * sizeof(*ranges)); |
| 572 | |
| 573 | /* fill it in */ |
| 574 | chp = property_value; |
| 575 | for (range_nr = 0; range_nr < nr_ranges; range_nr++) { |
| 576 | chp = parse_address(current, current, |
| 577 | chp, &ranges[range_nr].child_address); |
| 578 | chp = parse_address(current, device_parent(current), |
| 579 | chp, &ranges[range_nr].parent_address); |
| 580 | chp = parse_size(current, current, |
| 581 | chp, &ranges[range_nr].size); |
| 582 | } |
| 583 | |
| 584 | /* create it */ |
| 585 | device_add_range_array_property(current, property_name, ranges, nr_ranges); |
| 586 | |
| 587 | zfree(ranges); |
| 588 | } |
| 589 | |
| 590 | |
| 591 | /* <integer> ... */ |
| 592 | |
| 593 | STATIC_INLINE_TREE\ |
| 594 | (void) |
| 595 | parse_integer_property(device *current, |
| 596 | const char *property_name, |
| 597 | const char *property_value) |
| 598 | { |
| 599 | int nr_entries; |
| 600 | unsigned_cell words[1024]; |
| 601 | /* integer or integer array? */ |
| 602 | nr_entries = 0; |
| 603 | while (1) { |
| 604 | char *end; |
| 605 | words[nr_entries] = strtoul(property_value, &end, 0); |
| 606 | if (property_value == end) |
| 607 | break; |
| 608 | nr_entries += 1; |
| 609 | if (nr_entries * sizeof(words[0]) >= sizeof(words)) |
| 610 | device_error(current, "buffer overflow"); |
| 611 | property_value = end; |
| 612 | } |
| 613 | if (nr_entries == 0) |
| 614 | device_error(current, "error parsing integer property %s (%s)", |
| 615 | property_name, property_value); |
| 616 | else if (nr_entries == 1) |
| 617 | device_add_integer_property(current, property_name, words[0]); |
| 618 | else { |
| 619 | int i; |
| 620 | for (i = 0; i < nr_entries; i++) { |
| 621 | H2BE(words[i]); |
| 622 | } |
| 623 | /* perhaps integer array property is better */ |
| 624 | device_add_array_property(current, property_name, words, |
| 625 | sizeof(words[0]) * nr_entries); |
| 626 | } |
| 627 | } |
| 628 | |
| 629 | /* PROPERTY_VALUE is a raw property value. Quote it as required by |
| 630 | parse_string_property. It is the caller's responsibility to free |
| 631 | the memory returned. */ |
| 632 | |
| 633 | EXTERN_TREE\ |
| 634 | (char *) |
| 635 | tree_quote_property(const char *property_value) |
| 636 | { |
| 637 | char *p; |
| 638 | char *ret; |
| 639 | const char *chp; |
| 640 | int quotees; |
| 641 | |
| 642 | /* Count characters needing quotes in PROPERTY_VALUE. */ |
| 643 | quotees = 0; |
| 644 | for (chp = property_value; *chp; ++chp) |
| 645 | if (*chp == '\\' || *chp == '"') |
| 646 | ++quotees; |
| 647 | |
| 648 | ret = (char *) xmalloc (strlen (property_value) |
| 649 | + 2 /* quotes */ |
| 650 | + quotees |
| 651 | + 1 /* terminator */); |
| 652 | |
| 653 | p = ret; |
| 654 | /* Add the opening quote. */ |
| 655 | *p++ = '"'; |
| 656 | /* Copy the value. */ |
| 657 | for (chp = property_value; *chp; ++chp) |
| 658 | if (*chp == '\\' || *chp == '"') |
| 659 | { |
| 660 | /* Quote this character. */ |
| 661 | *p++ = '\\'; |
| 662 | *p++ = *chp; |
| 663 | } |
| 664 | else |
| 665 | *p++ = *chp; |
| 666 | /* Add the closing quote. */ |
| 667 | *p++ = '"'; |
| 668 | /* Terminate the string. */ |
| 669 | *p++ = '\0'; |
| 670 | |
| 671 | return ret; |
| 672 | } |
| 673 | |
| 674 | /* <string> ... */ |
| 675 | |
| 676 | STATIC_INLINE_TREE\ |
| 677 | (void) |
| 678 | parse_string_property(device *current, |
| 679 | const char *property_name, |
| 680 | const char *property_value) |
| 681 | { |
| 682 | char **strings; |
| 683 | const char *chp; |
| 684 | int nr_strings; |
| 685 | int approx_nr_strings; |
| 686 | |
| 687 | /* get an estimate as to the number of strings by counting double |
| 688 | quotes */ |
| 689 | approx_nr_strings = 2; |
| 690 | for (chp = property_value; *chp; chp++) { |
| 691 | if (*chp == '"') |
| 692 | approx_nr_strings++; |
| 693 | } |
| 694 | approx_nr_strings = (approx_nr_strings) / 2; |
| 695 | |
| 696 | /* create a string buffer for that many (plus a null) */ |
| 697 | strings = (char**)zalloc((approx_nr_strings + 1) * sizeof(char*)); |
| 698 | |
| 699 | /* now find all the strings */ |
| 700 | chp = property_value; |
| 701 | nr_strings = 0; |
| 702 | while (1) { |
| 703 | |
| 704 | /* skip leading space */ |
| 705 | while (*chp != '\0' && isspace(*chp)) |
| 706 | chp += 1; |
| 707 | if (*chp == '\0') |
| 708 | break; |
| 709 | |
| 710 | /* copy it in */ |
| 711 | if (*chp == '"') { |
| 712 | /* a quoted string - watch for '\' et.al. */ |
| 713 | /* estimate the size and allocate space for it */ |
| 714 | int pos; |
| 715 | chp++; |
| 716 | pos = 0; |
| 717 | while (chp[pos] != '\0' && chp[pos] != '"') { |
| 718 | if (chp[pos] == '\\' && chp[pos+1] != '\0') |
| 719 | pos += 2; |
| 720 | else |
| 721 | pos += 1; |
| 722 | } |
| 723 | strings[nr_strings] = zalloc(pos + 1); |
| 724 | /* copy the string over */ |
| 725 | pos = 0; |
| 726 | while (*chp != '\0' && *chp != '"') { |
| 727 | if (*chp == '\\' && *(chp+1) != '\0') { |
| 728 | strings[nr_strings][pos] = *(chp+1); |
| 729 | chp += 2; |
| 730 | pos++; |
| 731 | } |
| 732 | else { |
| 733 | strings[nr_strings][pos] = *chp; |
| 734 | chp += 1; |
| 735 | pos++; |
| 736 | } |
| 737 | } |
| 738 | if (*chp != '\0') |
| 739 | chp++; |
| 740 | strings[nr_strings][pos] = '\0'; |
| 741 | } |
| 742 | else { |
| 743 | /* copy over a single unquoted token */ |
| 744 | int len = 0; |
| 745 | while (chp[len] != '\0' && !isspace(chp[len])) |
| 746 | len++; |
| 747 | strings[nr_strings] = zalloc(len + 1); |
| 748 | strncpy(strings[nr_strings], chp, len); |
| 749 | strings[nr_strings][len] = '\0'; |
| 750 | chp += len; |
| 751 | } |
| 752 | nr_strings++; |
| 753 | if (nr_strings > approx_nr_strings) |
| 754 | device_error(current, "String property %s badly formatted", |
| 755 | property_name); |
| 756 | } |
| 757 | ASSERT(strings[nr_strings] == NULL); /* from zalloc */ |
| 758 | |
| 759 | /* install it */ |
| 760 | if (nr_strings == 0) |
| 761 | device_add_string_property(current, property_name, ""); |
| 762 | else if (nr_strings == 1) |
| 763 | device_add_string_property(current, property_name, strings[0]); |
| 764 | else { |
| 765 | const char **specs = (const char**)strings; /* stop a bogus error */ |
| 766 | device_add_string_array_property(current, property_name, |
| 767 | specs, nr_strings); |
| 768 | } |
| 769 | |
| 770 | /* flush the created string */ |
| 771 | while (nr_strings > 0) { |
| 772 | nr_strings--; |
| 773 | zfree(strings[nr_strings]); |
| 774 | } |
| 775 | zfree(strings); |
| 776 | } |
| 777 | |
| 778 | |
| 779 | /* <path-to-ihandle-device> */ |
| 780 | |
| 781 | STATIC_INLINE_TREE\ |
| 782 | (void) |
| 783 | parse_ihandle_property(device *current, |
| 784 | const char *property, |
| 785 | const char *value) |
| 786 | { |
| 787 | ihandle_runtime_property_spec ihandle; |
| 788 | |
| 789 | /* pass the full path */ |
| 790 | ihandle.full_path = value; |
| 791 | |
| 792 | /* save this ready for the ihandle create */ |
| 793 | device_add_ihandle_runtime_property(current, property, |
| 794 | &ihandle); |
| 795 | } |
| 796 | |
| 797 | |
| 798 | |
| 799 | EXTERN_TREE\ |
| 800 | (device *) |
| 801 | tree_parse(device *current, |
| 802 | const char *fmt, |
| 803 | ...) |
| 804 | { |
| 805 | char device_specifier[1024]; |
| 806 | name_specifier spec; |
| 807 | |
| 808 | /* format the path */ |
| 809 | { |
| 810 | va_list ap; |
| 811 | va_start(ap, fmt); |
| 812 | vsprintf(device_specifier, fmt, ap); |
| 813 | va_end(ap); |
| 814 | if (strlen(device_specifier) >= sizeof(device_specifier)) |
| 815 | error("device_tree_add_deviced: buffer overflow\n"); |
| 816 | } |
| 817 | |
| 818 | /* construct the tree down to the final device */ |
| 819 | current = split_fill_path(current, device_specifier, &spec); |
| 820 | |
| 821 | /* is there an interrupt spec */ |
| 822 | if (spec.property == NULL |
| 823 | && spec.value != NULL) { |
| 824 | char *op = split_value(&spec); |
| 825 | switch (op[0]) { |
| 826 | case '>': |
| 827 | { |
| 828 | char *my_port_name = split_value(&spec); |
| 829 | int my_port; |
| 830 | char *dest_port_name = split_value(&spec); |
| 831 | int dest_port; |
| 832 | name_specifier dest_spec; |
| 833 | char *dest_device_name = split_value(&spec); |
| 834 | device *dest; |
| 835 | /* find my name */ |
| 836 | my_port = device_interrupt_decode(current, my_port_name, |
| 837 | output_port); |
| 838 | /* find the dest device and port */ |
| 839 | dest = split_fill_path(current, dest_device_name, &dest_spec); |
| 840 | dest_port = device_interrupt_decode(dest, dest_port_name, |
| 841 | input_port); |
| 842 | /* connect the two */ |
| 843 | device_interrupt_attach(current, |
| 844 | my_port, |
| 845 | dest, |
| 846 | dest_port, |
| 847 | permenant_object); |
| 848 | } |
| 849 | break; |
| 850 | default: |
| 851 | device_error(current, "unreconised interrupt spec %s\n", spec.value); |
| 852 | break; |
| 853 | } |
| 854 | } |
| 855 | |
| 856 | /* is there a property */ |
| 857 | if (spec.property != NULL) { |
| 858 | if (strcmp(spec.value, "true") == 0) |
| 859 | device_add_boolean_property(current, spec.property, 1); |
| 860 | else if (strcmp(spec.value, "false") == 0) |
| 861 | device_add_boolean_property(current, spec.property, 0); |
| 862 | else { |
| 863 | const device_property *property; |
| 864 | switch (spec.value[0]) { |
| 865 | case '*': |
| 866 | parse_ihandle_property(current, spec.property, spec.value + 1); |
| 867 | break; |
| 868 | case '[': |
| 869 | { |
| 870 | unsigned8 words[1024]; |
| 871 | char *curr = spec.value + 1; |
| 872 | int nr_words = 0; |
| 873 | while (1) { |
| 874 | char *next; |
| 875 | words[nr_words] = H2BE_1(strtoul(curr, &next, 0)); |
| 876 | if (curr == next) |
| 877 | break; |
| 878 | curr = next; |
| 879 | nr_words += 1; |
| 880 | } |
| 881 | device_add_array_property(current, spec.property, |
| 882 | words, sizeof(words[0]) * nr_words); |
| 883 | } |
| 884 | break; |
| 885 | case '"': |
| 886 | parse_string_property(current, spec.property, spec.value); |
| 887 | break; |
| 888 | case '!': |
| 889 | spec.value++; |
| 890 | property = tree_find_property(current, spec.value); |
| 891 | if (property == NULL) |
| 892 | device_error(current, "property %s not found\n", spec.value); |
| 893 | device_add_duplicate_property(current, |
| 894 | spec.property, |
| 895 | property); |
| 896 | break; |
| 897 | default: |
| 898 | if (strcmp(spec.property, "reg") == 0 |
| 899 | || strcmp(spec.property, "assigned-addresses") == 0 |
| 900 | || strcmp(spec.property, "alternate-reg") == 0){ |
| 901 | parse_reg_property(current, spec.property, spec.value); |
| 902 | } |
| 903 | else if (strcmp(spec.property, "ranges") == 0) { |
| 904 | parse_ranges_property(current, spec.property, spec.value); |
| 905 | } |
| 906 | else if (isdigit(spec.value[0]) |
| 907 | || (spec.value[0] == '-' && isdigit(spec.value[1])) |
| 908 | || (spec.value[0] == '+' && isdigit(spec.value[1]))) { |
| 909 | parse_integer_property(current, spec.property, spec.value); |
| 910 | } |
| 911 | else |
| 912 | parse_string_property(current, spec.property, spec.value); |
| 913 | break; |
| 914 | } |
| 915 | } |
| 916 | } |
| 917 | return current; |
| 918 | } |
| 919 | |
| 920 | |
| 921 | INLINE_TREE\ |
| 922 | (void) |
| 923 | tree_traverse(device *root, |
| 924 | tree_traverse_function *prefix, |
| 925 | tree_traverse_function *postfix, |
| 926 | void *data) |
| 927 | { |
| 928 | device *child; |
| 929 | if (prefix != NULL) |
| 930 | prefix(root, data); |
| 931 | for (child = device_child(root); |
| 932 | child != NULL; |
| 933 | child = device_sibling(child)) { |
| 934 | tree_traverse(child, prefix, postfix, data); |
| 935 | } |
| 936 | if (postfix != NULL) |
| 937 | postfix(root, data); |
| 938 | } |
| 939 | |
| 940 | |
| 941 | STATIC_INLINE_TREE\ |
| 942 | (void) |
| 943 | print_address(device *bus, |
| 944 | const device_unit *phys) |
| 945 | { |
| 946 | char unit[32]; |
| 947 | device_encode_unit(bus, phys, unit, sizeof(unit)); |
| 948 | printf_filtered(" %s", unit); |
| 949 | } |
| 950 | |
| 951 | STATIC_INLINE_TREE\ |
| 952 | (void) |
| 953 | print_size(device *bus, |
| 954 | const device_unit *size) |
| 955 | { |
| 956 | int i; |
| 957 | for (i = 0; i < size->nr_cells; i++) |
| 958 | if (size->cells[i] != 0) |
| 959 | break; |
| 960 | if (i < size->nr_cells) { |
| 961 | printf_filtered(" 0x%lx", (unsigned long)size->cells[i]); |
| 962 | i++; |
| 963 | for (; i < size->nr_cells; i++) |
| 964 | printf_filtered(",0x%lx", (unsigned long)size->cells[i]); |
| 965 | } |
| 966 | else |
| 967 | printf_filtered(" 0"); |
| 968 | } |
| 969 | |
| 970 | STATIC_INLINE_TREE\ |
| 971 | (void) |
| 972 | print_reg_property(device *me, |
| 973 | const device_property *property) |
| 974 | { |
| 975 | int reg_nr; |
| 976 | reg_property_spec reg; |
| 977 | for (reg_nr = 0; |
| 978 | device_find_reg_array_property(me, property->name, reg_nr, ®); |
| 979 | reg_nr++) { |
| 980 | print_address(device_parent(me), ®.address); |
| 981 | print_size(me, ®.size); |
| 982 | } |
| 983 | } |
| 984 | |
| 985 | STATIC_INLINE_TREE\ |
| 986 | (void) |
| 987 | print_ranges_property(device *me, |
| 988 | const device_property *property) |
| 989 | { |
| 990 | int range_nr; |
| 991 | range_property_spec range; |
| 992 | for (range_nr = 0; |
| 993 | device_find_range_array_property(me, property->name, range_nr, &range); |
| 994 | range_nr++) { |
| 995 | print_address(me, &range.child_address); |
| 996 | print_address(device_parent(me), &range.parent_address); |
| 997 | print_size(me, &range.size); |
| 998 | } |
| 999 | } |
| 1000 | |
| 1001 | STATIC_INLINE_TREE\ |
| 1002 | (void) |
| 1003 | print_string(const char *string) |
| 1004 | { |
| 1005 | printf_filtered(" \""); |
| 1006 | while (*string != '\0') { |
| 1007 | switch (*string) { |
| 1008 | case '"': |
| 1009 | printf_filtered("\\\""); |
| 1010 | break; |
| 1011 | case '\\': |
| 1012 | printf_filtered("\\\\"); |
| 1013 | break; |
| 1014 | default: |
| 1015 | printf_filtered("%c", *string); |
| 1016 | break; |
| 1017 | } |
| 1018 | string++; |
| 1019 | } |
| 1020 | printf_filtered("\""); |
| 1021 | } |
| 1022 | |
| 1023 | STATIC_INLINE_TREE\ |
| 1024 | (void) |
| 1025 | print_string_array_property(device *me, |
| 1026 | const device_property *property) |
| 1027 | { |
| 1028 | int nr; |
| 1029 | string_property_spec string; |
| 1030 | for (nr = 0; |
| 1031 | device_find_string_array_property(me, property->name, nr, &string); |
| 1032 | nr++) { |
| 1033 | print_string(string); |
| 1034 | } |
| 1035 | } |
| 1036 | |
| 1037 | STATIC_INLINE_TREE\ |
| 1038 | (void) |
| 1039 | print_properties(device *me) |
| 1040 | { |
| 1041 | const device_property *property; |
| 1042 | for (property = device_find_property(me, NULL); |
| 1043 | property != NULL; |
| 1044 | property = device_next_property(property)) { |
| 1045 | printf_filtered("%s/%s", device_path(me), property->name); |
| 1046 | if (property->original != NULL) { |
| 1047 | printf_filtered(" !"); |
| 1048 | printf_filtered("%s/%s", |
| 1049 | device_path(property->original->owner), |
| 1050 | property->original->name); |
| 1051 | } |
| 1052 | else { |
| 1053 | switch (property->type) { |
| 1054 | case array_property: |
| 1055 | if ((property->sizeof_array % sizeof(signed_cell)) == 0) { |
| 1056 | unsigned_cell *w = (unsigned_cell*)property->array; |
| 1057 | int cell_nr; |
| 1058 | for (cell_nr = 0; |
| 1059 | cell_nr < (property->sizeof_array / sizeof(unsigned_cell)); |
| 1060 | cell_nr++) { |
| 1061 | printf_filtered(" 0x%lx", (unsigned long)BE2H_cell(w[cell_nr])); |
| 1062 | } |
| 1063 | } |
| 1064 | else { |
| 1065 | unsigned8 *w = (unsigned8*)property->array; |
| 1066 | printf_filtered(" ["); |
| 1067 | while ((char*)w - (char*)property->array < property->sizeof_array) { |
| 1068 | printf_filtered(" 0x%2x", BE2H_1(*w)); |
| 1069 | w++; |
| 1070 | } |
| 1071 | } |
| 1072 | break; |
| 1073 | case boolean_property: |
| 1074 | { |
| 1075 | int b = device_find_boolean_property(me, property->name); |
| 1076 | printf_filtered(" %s", b ? "true" : "false"); |
| 1077 | } |
| 1078 | break; |
| 1079 | case ihandle_property: |
| 1080 | { |
| 1081 | if (property->array != NULL) { |
| 1082 | device_instance *instance = device_find_ihandle_property(me, property->name); |
| 1083 | printf_filtered(" *%s", device_instance_path(instance)); |
| 1084 | } |
| 1085 | else { |
| 1086 | /* not yet initialized, ask the device for the path */ |
| 1087 | ihandle_runtime_property_spec spec; |
| 1088 | device_find_ihandle_runtime_property(me, property->name, &spec); |
| 1089 | printf_filtered(" *%s", spec.full_path); |
| 1090 | } |
| 1091 | } |
| 1092 | break; |
| 1093 | case integer_property: |
| 1094 | { |
| 1095 | unsigned_word w = device_find_integer_property(me, property->name); |
| 1096 | printf_filtered(" 0x%lx", (unsigned long)w); |
| 1097 | } |
| 1098 | break; |
| 1099 | case range_array_property: |
| 1100 | print_ranges_property(me, property); |
| 1101 | break; |
| 1102 | case reg_array_property: |
| 1103 | print_reg_property(me, property); |
| 1104 | break; |
| 1105 | case string_property: |
| 1106 | { |
| 1107 | const char *s = device_find_string_property(me, property->name); |
| 1108 | print_string(s); |
| 1109 | } |
| 1110 | break; |
| 1111 | case string_array_property: |
| 1112 | print_string_array_property(me, property); |
| 1113 | break; |
| 1114 | } |
| 1115 | } |
| 1116 | printf_filtered("\n"); |
| 1117 | } |
| 1118 | } |
| 1119 | |
| 1120 | STATIC_INLINE_TREE\ |
| 1121 | (void) |
| 1122 | print_interrupts(device *me, |
| 1123 | int my_port, |
| 1124 | device *dest, |
| 1125 | int dest_port, |
| 1126 | void *ignore_or_null) |
| 1127 | { |
| 1128 | char src[32]; |
| 1129 | char dst[32]; |
| 1130 | device_interrupt_encode(me, my_port, src, sizeof(src), output_port); |
| 1131 | device_interrupt_encode(dest, dest_port, dst, sizeof(dst), input_port); |
| 1132 | printf_filtered("%s > %s %s %s\n", |
| 1133 | device_path(me), |
| 1134 | src, dst, |
| 1135 | device_path(dest)); |
| 1136 | } |
| 1137 | |
| 1138 | STATIC_INLINE_TREE\ |
| 1139 | (void) |
| 1140 | print_device(device *me, |
| 1141 | void *ignore_or_null) |
| 1142 | { |
| 1143 | printf_filtered("%s\n", device_path(me)); |
| 1144 | print_properties(me); |
| 1145 | device_interrupt_traverse(me, print_interrupts, NULL); |
| 1146 | } |
| 1147 | |
| 1148 | INLINE_TREE\ |
| 1149 | (void) |
| 1150 | tree_print(device *root) |
| 1151 | { |
| 1152 | tree_traverse(root, |
| 1153 | print_device, NULL, |
| 1154 | NULL); |
| 1155 | } |
| 1156 | |
| 1157 | |
| 1158 | INLINE_TREE\ |
| 1159 | (void) |
| 1160 | tree_usage(int verbose) |
| 1161 | { |
| 1162 | if (verbose == 1) { |
| 1163 | printf_filtered("\n"); |
| 1164 | printf_filtered("A device/property specifier has the form:\n"); |
| 1165 | printf_filtered("\n"); |
| 1166 | printf_filtered(" /path/to/a/device [ property-value ]\n"); |
| 1167 | printf_filtered("\n"); |
| 1168 | printf_filtered("and a possible device is\n"); |
| 1169 | printf_filtered("\n"); |
| 1170 | } |
| 1171 | if (verbose > 1) { |
| 1172 | printf_filtered("\n"); |
| 1173 | printf_filtered("A device/property specifier (<spec>) has the format:\n"); |
| 1174 | printf_filtered("\n"); |
| 1175 | printf_filtered(" <spec> ::= <path> [ <value> ] ;\n"); |
| 1176 | printf_filtered(" <path> ::= { <prefix> } { <node> \"/\" } <node> ;\n"); |
| 1177 | printf_filtered(" <prefix> ::= ( | \"/\" | \"../\" | \"./\" ) ;\n"); |
| 1178 | printf_filtered(" <node> ::= <name> [ \"@\" <unit> ] [ \":\" <args> ] ;\n"); |
| 1179 | printf_filtered(" <unit> ::= <number> { \",\" <number> } ;\n"); |
| 1180 | printf_filtered("\n"); |
| 1181 | printf_filtered("Where:\n"); |
| 1182 | printf_filtered("\n"); |
| 1183 | printf_filtered(" <name> is the name of a device (list below)\n"); |
| 1184 | printf_filtered(" <unit> is the unit-address relative to the parent bus\n"); |
| 1185 | printf_filtered(" <args> additional arguments used when creating the device\n"); |
| 1186 | printf_filtered(" <value> ::= ( <number> # integer property\n"); |
| 1187 | printf_filtered(" | \"[\" { <number> } # array property (byte)\n"); |
| 1188 | printf_filtered(" | \"{\" { <number> } # array property (cell)\n"); |
| 1189 | printf_filtered(" | [ \"true\" | \"false\" ] # boolean property\n"); |
| 1190 | printf_filtered(" | \"*\" <path> # ihandle property\n"); |
| 1191 | printf_filtered(" | \"!\" <path> # copy property\n"); |
| 1192 | printf_filtered(" | \">\" [ <number> ] <path> # attach interrupt\n"); |
| 1193 | printf_filtered(" | \"<\" <path> # attach child interrupt\n"); |
| 1194 | printf_filtered(" | \"\\\"\" <text> # string property\n"); |
| 1195 | printf_filtered(" | <text> # string property\n"); |
| 1196 | printf_filtered(" ) ;\n"); |
| 1197 | printf_filtered("\n"); |
| 1198 | printf_filtered("And the following are valid device names:\n"); |
| 1199 | printf_filtered("\n"); |
| 1200 | } |
| 1201 | } |
| 1202 | |
| 1203 | |
| 1204 | |
| 1205 | INLINE_TREE\ |
| 1206 | (device_instance *) |
| 1207 | tree_instance(device *root, |
| 1208 | const char *device_specifier) |
| 1209 | { |
| 1210 | /* find the device node */ |
| 1211 | device *me; |
| 1212 | name_specifier spec; |
| 1213 | if (!split_device_specifier(root, device_specifier, &spec)) |
| 1214 | return NULL; |
| 1215 | me = split_find_device(root, &spec); |
| 1216 | if (spec.name != NULL) |
| 1217 | return NULL; |
| 1218 | /* create the instance */ |
| 1219 | return device_create_instance(me, device_specifier, spec.last_args); |
| 1220 | } |
| 1221 | |
| 1222 | |
| 1223 | INLINE_TREE\ |
| 1224 | (device *) |
| 1225 | tree_find_device(device *root, |
| 1226 | const char *path_to_device) |
| 1227 | { |
| 1228 | device *node; |
| 1229 | name_specifier spec; |
| 1230 | |
| 1231 | /* parse the path */ |
| 1232 | split_device_specifier(root, path_to_device, &spec); |
| 1233 | if (spec.value != NULL) |
| 1234 | return NULL; /* something wierd */ |
| 1235 | |
| 1236 | /* now find it */ |
| 1237 | node = split_find_device(root, &spec); |
| 1238 | if (spec.name != NULL) |
| 1239 | return NULL; /* not a leaf */ |
| 1240 | |
| 1241 | return node; |
| 1242 | } |
| 1243 | |
| 1244 | |
| 1245 | INLINE_TREE\ |
| 1246 | (const device_property *) |
| 1247 | tree_find_property(device *root, |
| 1248 | const char *path_to_property) |
| 1249 | { |
| 1250 | name_specifier spec; |
| 1251 | if (!split_property_specifier(root, path_to_property, &spec)) |
| 1252 | device_error(root, "Invalid property path %s", path_to_property); |
| 1253 | root = split_find_device(root, &spec); |
| 1254 | return device_find_property(root, spec.property); |
| 1255 | } |
| 1256 | |
| 1257 | INLINE_TREE\ |
| 1258 | (int) |
| 1259 | tree_find_boolean_property(device *root, |
| 1260 | const char *path_to_property) |
| 1261 | { |
| 1262 | name_specifier spec; |
| 1263 | if (!split_property_specifier(root, path_to_property, &spec)) |
| 1264 | device_error(root, "Invalid property path %s", path_to_property); |
| 1265 | root = split_find_device(root, &spec); |
| 1266 | return device_find_boolean_property(root, spec.property); |
| 1267 | } |
| 1268 | |
| 1269 | INLINE_TREE\ |
| 1270 | (signed_cell) |
| 1271 | tree_find_integer_property(device *root, |
| 1272 | const char *path_to_property) |
| 1273 | { |
| 1274 | name_specifier spec; |
| 1275 | if (!split_property_specifier(root, path_to_property, &spec)) |
| 1276 | device_error(root, "Invalid property path %s", path_to_property); |
| 1277 | root = split_find_device(root, &spec); |
| 1278 | return device_find_integer_property(root, spec.property); |
| 1279 | } |
| 1280 | |
| 1281 | INLINE_TREE\ |
| 1282 | (device_instance *) |
| 1283 | tree_find_ihandle_property(device *root, |
| 1284 | const char *path_to_property) |
| 1285 | { |
| 1286 | name_specifier spec; |
| 1287 | if (!split_property_specifier(root, path_to_property, &spec)) |
| 1288 | device_error(root, "Invalid property path %s", path_to_property); |
| 1289 | root = split_find_device(root, &spec); |
| 1290 | return device_find_ihandle_property(root, spec.property); |
| 1291 | } |
| 1292 | |
| 1293 | INLINE_TREE\ |
| 1294 | (const char *) |
| 1295 | tree_find_string_property(device *root, |
| 1296 | const char *path_to_property) |
| 1297 | { |
| 1298 | name_specifier spec; |
| 1299 | if (!split_property_specifier(root, path_to_property, &spec)) |
| 1300 | device_error(root, "Invalid property path %s", path_to_property); |
| 1301 | root = split_find_device(root, &spec); |
| 1302 | return device_find_string_property(root, spec.property); |
| 1303 | } |
| 1304 | |
| 1305 | |
| 1306 | #endif /* _PARSE_C_ */ |