| | 1 | /* The common simulator framework for GDB, the GNU Debugger. |
| | 2 | |
| | 3 | Copyright 2002-2021 Free Software Foundation, Inc. |
| | 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 |
| | 11 | the Free Software Foundation; either version 3 of the License, or |
| | 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 |
| | 20 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| | 21 | |
| | 22 | |
| | 23 | #include "hw-main.h" |
| | 24 | #include "hw-base.h" |
| | 25 | #include "hw-tree.h" |
| | 26 | |
| | 27 | #include "sim-io.h" |
| | 28 | #include "sim-assert.h" |
| | 29 | |
| | 30 | #include <stdlib.h> |
| | 31 | #include <string.h> |
| | 32 | #include <ctype.h> |
| | 33 | |
| | 34 | /* manipulate/lookup device names */ |
| | 35 | |
| | 36 | typedef struct _name_specifier |
| | 37 | { |
| | 38 | |
| | 39 | /* components in the full length name */ |
| | 40 | char *path; |
| | 41 | char *property; |
| | 42 | char *value; |
| | 43 | |
| | 44 | /* current device */ |
| | 45 | char *family; |
| | 46 | char *name; |
| | 47 | char *unit; |
| | 48 | char *args; |
| | 49 | |
| | 50 | /* previous device */ |
| | 51 | char *last_name; |
| | 52 | char *last_family; |
| | 53 | char *last_unit; |
| | 54 | char *last_args; |
| | 55 | |
| | 56 | /* work area */ |
| | 57 | char buf[1024]; |
| | 58 | |
| | 59 | } name_specifier; |
| | 60 | |
| | 61 | |
| | 62 | |
| | 63 | /* Given a device specifier, break it up into its main components: |
| | 64 | path (and if present) property name and property value. */ |
| | 65 | |
| | 66 | static int |
| | 67 | split_device_specifier (struct hw *current, |
| | 68 | const char *device_specifier, |
| | 69 | name_specifier *spec) |
| | 70 | { |
| | 71 | char *chp = NULL; |
| | 72 | |
| | 73 | /* expand any leading alias if present */ |
| | 74 | if (current != NULL |
| | 75 | && *device_specifier != '\0' |
| | 76 | && *device_specifier != '.' |
| | 77 | && *device_specifier != '/') |
| | 78 | { |
| | 79 | struct hw *aliases = hw_tree_find_device (current, "/aliases"); |
| | 80 | char alias[32]; |
| | 81 | int len = 0; |
| | 82 | while (device_specifier[len] != '\0' |
| | 83 | && device_specifier[len] != '/' |
| | 84 | && device_specifier[len] != ':' |
| | 85 | && !isspace (device_specifier[len])) |
| | 86 | { |
| | 87 | alias[len] = device_specifier[len]; |
| | 88 | len++; |
| | 89 | if (len >= sizeof (alias)) |
| | 90 | hw_abort (NULL, "split_device_specifier: buffer overflow"); |
| | 91 | } |
| | 92 | alias[len] = '\0'; |
| | 93 | if (aliases != NULL |
| | 94 | && hw_find_property (aliases, alias)) |
| | 95 | { |
| | 96 | strcpy (spec->buf, hw_find_string_property (aliases, alias)); |
| | 97 | strcat (spec->buf, device_specifier + len); |
| | 98 | } |
| | 99 | else |
| | 100 | { |
| | 101 | strcpy (spec->buf, device_specifier); |
| | 102 | } |
| | 103 | } |
| | 104 | else |
| | 105 | { |
| | 106 | strcpy (spec->buf, device_specifier); |
| | 107 | } |
| | 108 | |
| | 109 | /* check no overflow */ |
| | 110 | if (strlen (spec->buf) >= sizeof (spec->buf)) |
| | 111 | hw_abort (NULL, "split_device_specifier: buffer overflow\n"); |
| | 112 | |
| | 113 | /* strip leading spaces */ |
| | 114 | chp = spec->buf; |
| | 115 | while (*chp != '\0' && isspace (*chp)) |
| | 116 | chp++; |
| | 117 | if (*chp == '\0') |
| | 118 | return 0; |
| | 119 | |
| | 120 | /* find the path and terminate it with null */ |
| | 121 | spec->path = chp; |
| | 122 | while (*chp != '\0' && !isspace (*chp)) |
| | 123 | chp++; |
| | 124 | if (*chp != '\0') |
| | 125 | { |
| | 126 | *chp = '\0'; |
| | 127 | chp++; |
| | 128 | } |
| | 129 | |
| | 130 | /* and any value */ |
| | 131 | while (*chp != '\0' && isspace (*chp)) |
| | 132 | chp++; |
| | 133 | spec->value = chp; |
| | 134 | |
| | 135 | /* now go back and chop the property off of the path */ |
| | 136 | if (spec->value[0] == '\0') |
| | 137 | { |
| | 138 | spec->property = NULL; /*not a property*/ |
| | 139 | spec->value = NULL; |
| | 140 | } |
| | 141 | else if (spec->value[0] == '>' |
| | 142 | || spec->value[0] == '<') |
| | 143 | { |
| | 144 | /* an interrupt spec */ |
| | 145 | spec->property = NULL; |
| | 146 | } |
| | 147 | else |
| | 148 | { |
| | 149 | chp = strrchr (spec->path, '/'); |
| | 150 | if (chp == NULL) |
| | 151 | { |
| | 152 | spec->property = spec->path; |
| | 153 | spec->path = strchr (spec->property, '\0'); |
| | 154 | } |
| | 155 | else |
| | 156 | { |
| | 157 | *chp = '\0'; |
| | 158 | spec->property = chp+1; |
| | 159 | } |
| | 160 | } |
| | 161 | |
| | 162 | /* and mark the rest as invalid */ |
| | 163 | spec->name = NULL; |
| | 164 | spec->family = NULL; |
| | 165 | spec->unit = NULL; |
| | 166 | spec->args = NULL; |
| | 167 | spec->last_name = NULL; |
| | 168 | spec->last_family = 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 int |
| | 181 | split_property_specifier (struct hw *current, |
| | 182 | const char *property_specifier, |
| | 183 | name_specifier *spec) |
| | 184 | { |
| | 185 | if (split_device_specifier (current, property_specifier, spec)) |
| | 186 | { |
| | 187 | if (spec->property == NULL) |
| | 188 | { |
| | 189 | /* force the last name to be a property name */ |
| | 190 | char *chp = strrchr (spec->path, '/'); |
| | 191 | if (chp == NULL) |
| | 192 | { |
| | 193 | spec->property = spec->path; |
| | 194 | spec->path = strrchr (spec->property, '\0');; |
| | 195 | } |
| | 196 | else |
| | 197 | { |
| | 198 | *chp = '\0'; |
| | 199 | spec->property = chp + 1; |
| | 200 | } |
| | 201 | } |
| | 202 | return 1; |
| | 203 | } |
| | 204 | else |
| | 205 | return 0; |
| | 206 | } |
| | 207 | |
| | 208 | |
| | 209 | /* device the next device name and split it up, return 0 when no more |
| | 210 | names to struct hw */ |
| | 211 | |
| | 212 | static int |
| | 213 | split_device_name (name_specifier *spec) |
| | 214 | { |
| | 215 | char *chp; |
| | 216 | /* remember what came before */ |
| | 217 | spec->last_name = spec->name; |
| | 218 | spec->last_family = spec->family; |
| | 219 | spec->last_unit = spec->unit; |
| | 220 | spec->last_args = spec->args; |
| | 221 | /* finished? */ |
| | 222 | if (spec->path[0] == '\0') |
| | 223 | { |
| | 224 | spec->name = NULL; |
| | 225 | spec->family = NULL; |
| | 226 | spec->unit = NULL; |
| | 227 | spec->args = NULL; |
| | 228 | return 0; |
| | 229 | } |
| | 230 | /* break the current device spec from the path */ |
| | 231 | spec->name = spec->path; |
| | 232 | chp = strchr (spec->name, '/'); |
| | 233 | if (chp == NULL) |
| | 234 | spec->path = strchr (spec->name, '\0'); |
| | 235 | else |
| | 236 | { |
| | 237 | spec->path = chp+1; |
| | 238 | *chp = '\0'; |
| | 239 | } |
| | 240 | /* break out the base */ |
| | 241 | if (spec->name[0] == '(') |
| | 242 | { |
| | 243 | chp = strchr (spec->name, ')'); |
| | 244 | if (chp == NULL) |
| | 245 | { |
| | 246 | spec->family = spec->name; |
| | 247 | } |
| | 248 | else |
| | 249 | { |
| | 250 | *chp = '\0'; |
| | 251 | spec->family = spec->name + 1; |
| | 252 | spec->name = chp + 1; |
| | 253 | } |
| | 254 | } |
| | 255 | else |
| | 256 | { |
| | 257 | spec->family = spec->name; |
| | 258 | } |
| | 259 | /* now break out the unit */ |
| | 260 | chp = strchr (spec->name, '@'); |
| | 261 | if (chp == NULL) |
| | 262 | { |
| | 263 | spec->unit = NULL; |
| | 264 | chp = spec->name; |
| | 265 | } |
| | 266 | else |
| | 267 | { |
| | 268 | *chp = '\0'; |
| | 269 | chp += 1; |
| | 270 | spec->unit = chp; |
| | 271 | } |
| | 272 | /* finally any args */ |
| | 273 | chp = strchr (chp, ':'); |
| | 274 | if (chp == NULL) |
| | 275 | spec->args = NULL; |
| | 276 | else |
| | 277 | { |
| | 278 | *chp = '\0'; |
| | 279 | spec->args = chp+1; |
| | 280 | } |
| | 281 | return 1; |
| | 282 | } |
| | 283 | |
| | 284 | |
| | 285 | /* device the value, returning the next non-space token */ |
| | 286 | |
| | 287 | static char * |
| | 288 | split_value (name_specifier *spec) |
| | 289 | { |
| | 290 | char *token; |
| | 291 | if (spec->value == NULL) |
| | 292 | return NULL; |
| | 293 | /* skip leading white space */ |
| | 294 | while (isspace (spec->value[0])) |
| | 295 | spec->value++; |
| | 296 | if (spec->value[0] == '\0') |
| | 297 | { |
| | 298 | spec->value = NULL; |
| | 299 | return NULL; |
| | 300 | } |
| | 301 | token = spec->value; |
| | 302 | /* find trailing space */ |
| | 303 | while (spec->value[0] != '\0' && !isspace (spec->value[0])) |
| | 304 | spec->value++; |
| | 305 | /* chop this value out */ |
| | 306 | if (spec->value[0] != '\0') |
| | 307 | { |
| | 308 | spec->value[0] = '\0'; |
| | 309 | spec->value++; |
| | 310 | } |
| | 311 | return token; |
| | 312 | } |
| | 313 | |
| | 314 | |
| | 315 | |
| | 316 | /* traverse the path specified by spec starting at current */ |
| | 317 | |
| | 318 | static struct hw * |
| | 319 | split_find_device (struct hw *current, |
| | 320 | name_specifier *spec) |
| | 321 | { |
| | 322 | /* strip off (and process) any leading ., .., ./ and / */ |
| | 323 | while (1) |
| | 324 | { |
| | 325 | if (strncmp (spec->path, "/", strlen ("/")) == 0) |
| | 326 | { |
| | 327 | /* cd /... */ |
| | 328 | while (current != NULL && hw_parent (current) != NULL) |
| | 329 | current = hw_parent (current); |
| | 330 | spec->path += strlen ("/"); |
| | 331 | } |
| | 332 | else if (strncmp (spec->path, "./", strlen ("./")) == 0) |
| | 333 | { |
| | 334 | /* cd ./... */ |
| | 335 | current = current; |
| | 336 | spec->path += strlen ("./"); |
| | 337 | } |
| | 338 | else if (strncmp (spec->path, "../", strlen ("../")) == 0) |
| | 339 | { |
| | 340 | /* cd ../... */ |
| | 341 | if (current != NULL && hw_parent (current) != NULL) |
| | 342 | current = hw_parent (current); |
| | 343 | spec->path += strlen ("../"); |
| | 344 | } |
| | 345 | else if (strcmp (spec->path, ".") == 0) |
| | 346 | { |
| | 347 | /* cd . */ |
| | 348 | current = current; |
| | 349 | spec->path += strlen ("."); |
| | 350 | } |
| | 351 | else if (strcmp (spec->path, "..") == 0) |
| | 352 | { |
| | 353 | /* cd .. */ |
| | 354 | if (current != NULL && hw_parent (current) != NULL) |
| | 355 | current = hw_parent (current); |
| | 356 | spec->path += strlen (".."); |
| | 357 | } |
| | 358 | else |
| | 359 | break; |
| | 360 | } |
| | 361 | |
| | 362 | /* now go through the path proper */ |
| | 363 | |
| | 364 | if (current == NULL) |
| | 365 | { |
| | 366 | split_device_name (spec); |
| | 367 | return NULL; |
| | 368 | } |
| | 369 | |
| | 370 | while (split_device_name (spec)) |
| | 371 | { |
| | 372 | struct hw *child; |
| | 373 | for (child = hw_child (current); |
| | 374 | child != NULL; child = hw_sibling (child)) |
| | 375 | { |
| | 376 | if (strcmp (spec->name, hw_name (child)) == 0) |
| | 377 | { |
| | 378 | if (spec->unit == NULL) |
| | 379 | break; |
| | 380 | else |
| | 381 | { |
| | 382 | hw_unit phys; |
| | 383 | hw_unit_decode (current, spec->unit, &phys); |
| | 384 | if (memcmp (&phys, hw_unit_address (child), |
| | 385 | sizeof (hw_unit)) == 0) |
| | 386 | break; |
| | 387 | } |
| | 388 | } |
| | 389 | } |
| | 390 | if (child == NULL) |
| | 391 | return current; /* search failed */ |
| | 392 | current = child; |
| | 393 | } |
| | 394 | |
| | 395 | return current; |
| | 396 | } |
| | 397 | |
| | 398 | |
| | 399 | static struct hw * |
| | 400 | split_fill_path (struct hw *current, |
| | 401 | const char *device_specifier, |
| | 402 | name_specifier *spec) |
| | 403 | { |
| | 404 | /* break it up */ |
| | 405 | if (!split_device_specifier (current, device_specifier, spec)) |
| | 406 | hw_abort (current, "error parsing %s\n", device_specifier); |
| | 407 | |
| | 408 | /* fill our tree with its contents */ |
| | 409 | current = split_find_device (current, spec); |
| | 410 | |
| | 411 | /* add any additional devices as needed */ |
| | 412 | if (spec->name != NULL) |
| | 413 | { |
| | 414 | do |
| | 415 | { |
| | 416 | if (current != NULL && !hw_finished_p (current)) |
| | 417 | hw_finish (current); |
| | 418 | current = hw_create (NULL, |
| | 419 | current, |
| | 420 | spec->family, |
| | 421 | spec->name, |
| | 422 | spec->unit, |
| | 423 | spec->args); |
| | 424 | } |
| | 425 | while (split_device_name (spec)); |
| | 426 | } |
| | 427 | |
| | 428 | return current; |
| | 429 | } |
| | 430 | |
| | 431 | \f |
| | 432 | /* <non-white-space> */ |
| | 433 | |
| | 434 | static const char * |
| | 435 | skip_token (const char *chp) |
| | 436 | { |
| | 437 | while (!isspace (*chp) && *chp != '\0') |
| | 438 | chp++; |
| | 439 | while (isspace (*chp) && *chp != '\0') |
| | 440 | chp++; |
| | 441 | return chp; |
| | 442 | } |
| | 443 | |
| | 444 | |
| | 445 | /* count the number of entries */ |
| | 446 | |
| | 447 | static int |
| | 448 | count_entries (struct hw *current, |
| | 449 | const char *property_name, |
| | 450 | const char *property_value, |
| | 451 | int modulo) |
| | 452 | { |
| | 453 | const char *chp = property_value; |
| | 454 | int nr_entries = 0; |
| | 455 | while (*chp != '\0') |
| | 456 | { |
| | 457 | nr_entries += 1; |
| | 458 | chp = skip_token (chp); |
| | 459 | } |
| | 460 | if ((nr_entries % modulo) != 0) |
| | 461 | { |
| | 462 | hw_abort (current, "incorrect number of entries for %s property %s, should be multiple of %d", |
| | 463 | property_name, property_value, modulo); |
| | 464 | } |
| | 465 | return nr_entries / modulo; |
| | 466 | } |
| | 467 | |
| | 468 | |
| | 469 | |
| | 470 | /* parse: <address> ::= <token> ; device dependant */ |
| | 471 | |
| | 472 | static const char * |
| | 473 | parse_address (struct hw *current, |
| | 474 | struct hw *bus, |
| | 475 | const char *chp, |
| | 476 | hw_unit *address) |
| | 477 | { |
| | 478 | if (hw_unit_decode (bus, chp, address) < 0) |
| | 479 | hw_abort (current, "invalid unit address in %s", chp); |
| | 480 | return skip_token (chp); |
| | 481 | } |
| | 482 | |
| | 483 | |
| | 484 | /* parse: <size> ::= <number> { "," <number> } ; */ |
| | 485 | |
| | 486 | static const char * |
| | 487 | parse_size (struct hw *current, |
| | 488 | struct hw *bus, |
| | 489 | const char *chp, |
| | 490 | hw_unit *size) |
| | 491 | { |
| | 492 | int i; |
| | 493 | int nr; |
| | 494 | const char *curr = chp; |
| | 495 | memset (size, 0, sizeof (*size)); |
| | 496 | /* parse the numeric list */ |
| | 497 | size->nr_cells = hw_unit_nr_size_cells (bus); |
| | 498 | nr = 0; |
| | 499 | while (1) |
| | 500 | { |
| | 501 | char *next; |
| | 502 | size->cells[nr] = strtoul (curr, &next, 0); |
| | 503 | if (curr == next) |
| | 504 | hw_abort (current, "Problem parsing <size> %s", chp); |
| | 505 | nr += 1; |
| | 506 | if (next[0] != ',') |
| | 507 | break; |
| | 508 | if (nr == size->nr_cells) |
| | 509 | hw_abort (current, "Too many values in <size> %s", chp); |
| | 510 | curr = next + 1; |
| | 511 | } |
| | 512 | ASSERT (nr > 0 && nr <= size->nr_cells); |
| | 513 | /* right align the numbers */ |
| | 514 | for (i = 1; i <= size->nr_cells; i++) |
| | 515 | { |
| | 516 | if (i <= nr) |
| | 517 | size->cells[size->nr_cells - i] = size->cells[nr - i]; |
| | 518 | else |
| | 519 | size->cells[size->nr_cells - i] = 0; |
| | 520 | } |
| | 521 | return skip_token (chp); |
| | 522 | } |
| | 523 | |
| | 524 | |
| | 525 | /* parse: <reg> ::= { <address> <size> } ; */ |
| | 526 | |
| | 527 | static void |
| | 528 | parse_reg_property (struct hw *current, |
| | 529 | const char *property_name, |
| | 530 | const char *property_value) |
| | 531 | { |
| | 532 | int nr_regs; |
| | 533 | int reg_nr; |
| | 534 | reg_property_spec *regs; |
| | 535 | const char *chp; |
| | 536 | |
| | 537 | /* determine the number of reg entries by counting tokens */ |
| | 538 | nr_regs = count_entries (current, property_name, property_value, 2); |
| | 539 | |
| | 540 | /* create working space */ |
| | 541 | regs = zalloc (nr_regs * sizeof (*regs)); |
| | 542 | |
| | 543 | /* fill it in */ |
| | 544 | chp = property_value; |
| | 545 | for (reg_nr = 0; reg_nr < nr_regs; reg_nr++) |
| | 546 | { |
| | 547 | chp = parse_address (current, hw_parent (current), |
| | 548 | chp, ®s[reg_nr].address); |
| | 549 | chp = parse_size (current, hw_parent (current), |
| | 550 | chp, ®s[reg_nr].size); |
| | 551 | } |
| | 552 | |
| | 553 | /* create it */ |
| | 554 | hw_add_reg_array_property (current, property_name, |
| | 555 | regs, nr_regs); |
| | 556 | |
| | 557 | free (regs); |
| | 558 | } |
| | 559 | |
| | 560 | |
| | 561 | /* { <child-address> <parent-address> <child-size> }* */ |
| | 562 | |
| | 563 | static void |
| | 564 | parse_ranges_property (struct hw *current, |
| | 565 | const char *property_name, |
| | 566 | const char *property_value) |
| | 567 | { |
| | 568 | int nr_ranges; |
| | 569 | int range_nr; |
| | 570 | range_property_spec *ranges; |
| | 571 | const char *chp; |
| | 572 | |
| | 573 | /* determine the number of ranges specified */ |
| | 574 | nr_ranges = count_entries (current, property_name, property_value, 3); |
| | 575 | |
| | 576 | /* create a property of that size */ |
| | 577 | ranges = zalloc (nr_ranges * sizeof (*ranges)); |
| | 578 | |
| | 579 | /* fill it in */ |
| | 580 | chp = property_value; |
| | 581 | for (range_nr = 0; range_nr < nr_ranges; range_nr++) |
| | 582 | { |
| | 583 | chp = parse_address (current, current, |
| | 584 | chp, &ranges[range_nr].child_address); |
| | 585 | chp = parse_address (current, hw_parent (current), |
| | 586 | chp, &ranges[range_nr].parent_address); |
| | 587 | chp = parse_size (current, current, |
| | 588 | chp, &ranges[range_nr].size); |
| | 589 | } |
| | 590 | |
| | 591 | /* create it */ |
| | 592 | hw_add_range_array_property (current, property_name, ranges, nr_ranges); |
| | 593 | |
| | 594 | free (ranges); |
| | 595 | } |
| | 596 | |
| | 597 | |
| | 598 | /* <integer> ... */ |
| | 599 | |
| | 600 | static void |
| | 601 | parse_integer_property (struct hw *current, |
| | 602 | const char *property_name, |
| | 603 | const char *property_value) |
| | 604 | { |
| | 605 | int nr_entries; |
| | 606 | unsigned_cell words[1024]; |
| | 607 | /* integer or integer array? */ |
| | 608 | nr_entries = 0; |
| | 609 | while (1) |
| | 610 | { |
| | 611 | char *end; |
| | 612 | words[nr_entries] = strtoul (property_value, &end, 0); |
| | 613 | if (property_value == end) |
| | 614 | break; |
| | 615 | nr_entries += 1; |
| | 616 | if (nr_entries * sizeof (words[0]) >= sizeof (words)) |
| | 617 | hw_abort (current, "buffer overflow"); |
| | 618 | property_value = end; |
| | 619 | } |
| | 620 | if (nr_entries == 0) |
| | 621 | hw_abort (current, "error parsing integer property %s (%s)", |
| | 622 | property_name, property_value); |
| | 623 | else if (nr_entries == 1) |
| | 624 | hw_add_integer_property (current, property_name, words[0]); |
| | 625 | else |
| | 626 | { |
| | 627 | int i; |
| | 628 | for (i = 0; i < nr_entries; i++) |
| | 629 | { |
| | 630 | H2BE (words[i]); |
| | 631 | } |
| | 632 | /* perhaps integer array property is better */ |
| | 633 | hw_add_array_property (current, property_name, words, |
| | 634 | sizeof (words[0]) * nr_entries); |
| | 635 | } |
| | 636 | } |
| | 637 | |
| | 638 | |
| | 639 | /* <string> ... */ |
| | 640 | |
| | 641 | static void |
| | 642 | parse_string_property (struct hw *current, |
| | 643 | const char *property_name, |
| | 644 | const char *property_value) |
| | 645 | { |
| | 646 | char **strings; |
| | 647 | const char *chp; |
| | 648 | int nr_strings; |
| | 649 | int approx_nr_strings; |
| | 650 | |
| | 651 | /* get an estimate as to the number of strings by counting double |
| | 652 | quotes */ |
| | 653 | approx_nr_strings = 2; |
| | 654 | for (chp = property_value; *chp; chp++) |
| | 655 | { |
| | 656 | if (*chp == '"') |
| | 657 | approx_nr_strings++; |
| | 658 | } |
| | 659 | approx_nr_strings = (approx_nr_strings) / 2; |
| | 660 | |
| | 661 | /* create a string buffer for that many (plus a null) */ |
| | 662 | strings = (char**) zalloc ((approx_nr_strings + 1) * sizeof (char*)); |
| | 663 | |
| | 664 | /* now find all the strings */ |
| | 665 | chp = property_value; |
| | 666 | nr_strings = 0; |
| | 667 | while (1) |
| | 668 | { |
| | 669 | |
| | 670 | /* skip leading space */ |
| | 671 | while (*chp != '\0' && isspace (*chp)) |
| | 672 | chp += 1; |
| | 673 | if (*chp == '\0') |
| | 674 | break; |
| | 675 | |
| | 676 | /* copy it in */ |
| | 677 | if (*chp == '"') |
| | 678 | { |
| | 679 | /* a quoted string - watch for '\' et al. */ |
| | 680 | /* estimate the size and allocate space for it */ |
| | 681 | int pos; |
| | 682 | chp++; |
| | 683 | pos = 0; |
| | 684 | while (chp[pos] != '\0' && chp[pos] != '"') |
| | 685 | { |
| | 686 | if (chp[pos] == '\\' && chp[pos+1] != '\0') |
| | 687 | pos += 2; |
| | 688 | else |
| | 689 | pos += 1; |
| | 690 | } |
| | 691 | strings[nr_strings] = zalloc (pos + 1); |
| | 692 | /* copy the string over */ |
| | 693 | pos = 0; |
| | 694 | while (*chp != '\0' && *chp != '"') |
| | 695 | { |
| | 696 | if (*chp == '\\' && *(chp+1) != '\0') |
| | 697 | { |
| | 698 | strings[nr_strings][pos] = *(chp+1); |
| | 699 | chp += 2; |
| | 700 | pos++; |
| | 701 | } |
| | 702 | else |
| | 703 | { |
| | 704 | strings[nr_strings][pos] = *chp; |
| | 705 | chp += 1; |
| | 706 | pos++; |
| | 707 | } |
| | 708 | } |
| | 709 | if (*chp != '\0') |
| | 710 | chp++; |
| | 711 | strings[nr_strings][pos] = '\0'; |
| | 712 | } |
| | 713 | else |
| | 714 | { |
| | 715 | /* copy over a single unquoted token */ |
| | 716 | int len = 0; |
| | 717 | while (chp[len] != '\0' && !isspace (chp[len])) |
| | 718 | len++; |
| | 719 | strings[nr_strings] = zalloc (len + 1); |
| | 720 | strncpy (strings[nr_strings], chp, len); |
| | 721 | strings[nr_strings][len] = '\0'; |
| | 722 | chp += len; |
| | 723 | } |
| | 724 | nr_strings++; |
| | 725 | if (nr_strings > approx_nr_strings) |
| | 726 | hw_abort (current, "String property %s badly formatted", |
| | 727 | property_name); |
| | 728 | } |
| | 729 | ASSERT (strings[nr_strings] == NULL); /* from zalloc */ |
| | 730 | |
| | 731 | /* install it */ |
| | 732 | if (nr_strings == 0) |
| | 733 | hw_add_string_property (current, property_name, ""); |
| | 734 | else if (nr_strings == 1) |
| | 735 | hw_add_string_property (current, property_name, strings[0]); |
| | 736 | else |
| | 737 | { |
| | 738 | const char **specs = (const char**) strings; /* stop a bogus error */ |
| | 739 | hw_add_string_array_property (current, property_name, |
| | 740 | specs, nr_strings); |
| | 741 | } |
| | 742 | |
| | 743 | /* flush the created string */ |
| | 744 | while (nr_strings > 0) |
| | 745 | { |
| | 746 | nr_strings--; |
| | 747 | free (strings[nr_strings]); |
| | 748 | } |
| | 749 | free (strings); |
| | 750 | } |
| | 751 | |
| | 752 | |
| | 753 | /* <path-to-ihandle-device> */ |
| | 754 | |
| | 755 | #if NOT_YET |
| | 756 | static void |
| | 757 | parse_ihandle_property (struct hw *current, |
| | 758 | const char *property, |
| | 759 | const char *value) |
| | 760 | { |
| | 761 | ihandle_runtime_property_spec ihandle; |
| | 762 | |
| | 763 | /* pass the full path */ |
| | 764 | ihandle.full_path = value; |
| | 765 | |
| | 766 | /* save this ready for the ihandle create */ |
| | 767 | hw_add_ihandle_runtime_property (current, property, |
| | 768 | &ihandle); |
| | 769 | } |
| | 770 | #endif |
| | 771 | |
| | 772 | |
| | 773 | struct hw * |
| | 774 | hw_tree_create (SIM_DESC sd, |
| | 775 | const char *family) |
| | 776 | { |
| | 777 | return hw_create (sd, NULL, family, family, NULL, NULL); |
| | 778 | } |
| | 779 | |
| | 780 | void |
| | 781 | hw_tree_delete (struct hw *me) |
| | 782 | { |
| | 783 | /* Need to allow devices to disapear under our feet */ |
| | 784 | while (hw_child (me) != NULL) |
| | 785 | { |
| | 786 | hw_tree_delete (hw_child (me)); |
| | 787 | } |
| | 788 | hw_delete (me); |
| | 789 | } |
| | 790 | |
| | 791 | |
| | 792 | struct hw * |
| | 793 | hw_tree_parse (struct hw *current, |
| | 794 | const char *fmt, |
| | 795 | ...) |
| | 796 | { |
| | 797 | va_list ap; |
| | 798 | va_start (ap, fmt); |
| | 799 | current = hw_tree_vparse (current, fmt, ap); |
| | 800 | va_end (ap); |
| | 801 | return current; |
| | 802 | } |
| | 803 | |
| | 804 | struct hw * |
| | 805 | hw_tree_vparse (struct hw *current, |
| | 806 | const char *fmt, |
| | 807 | va_list ap) |
| | 808 | { |
| | 809 | char device_specifier[1024]; |
| | 810 | name_specifier spec; |
| | 811 | |
| | 812 | /* format the path */ |
| | 813 | vsprintf (device_specifier, fmt, ap); |
| | 814 | if (strlen (device_specifier) >= sizeof (device_specifier)) |
| | 815 | hw_abort (NULL, "device_tree_add_deviced: buffer overflow\n"); |
| | 816 | |
| | 817 | /* construct the tree down to the final struct hw */ |
| | 818 | current = split_fill_path (current, device_specifier, &spec); |
| | 819 | |
| | 820 | /* is there an interrupt spec */ |
| | 821 | if (spec.property == NULL |
| | 822 | && spec.value != NULL) |
| | 823 | { |
| | 824 | char *op = split_value (&spec); |
| | 825 | switch (op[0]) |
| | 826 | { |
| | 827 | case '>': |
| | 828 | { |
| | 829 | char *my_port_name = split_value (&spec); |
| | 830 | int my_port; |
| | 831 | char *dest_port_name = split_value (&spec); |
| | 832 | int dest_port; |
| | 833 | name_specifier dest_spec; |
| | 834 | char *dest_hw_name = split_value (&spec); |
| | 835 | struct hw *dest; |
| | 836 | /* find my name */ |
| | 837 | if (!hw_finished_p (current)) |
| | 838 | hw_finish (current); |
| | 839 | my_port = hw_port_decode (current, my_port_name, output_port); |
| | 840 | /* find the dest device and port */ |
| | 841 | dest = split_fill_path (current, dest_hw_name, &dest_spec); |
| | 842 | if (!hw_finished_p (dest)) |
| | 843 | hw_finish (dest); |
| | 844 | dest_port = hw_port_decode (dest, dest_port_name, |
| | 845 | input_port); |
| | 846 | /* connect the two */ |
| | 847 | hw_port_attach (current, |
| | 848 | my_port, |
| | 849 | dest, |
| | 850 | dest_port, |
| | 851 | permenant_object); |
| | 852 | break; |
| | 853 | } |
| | 854 | default: |
| | 855 | hw_abort (current, "unreconised interrupt spec %s\n", spec.value); |
| | 856 | break; |
| | 857 | } |
| | 858 | } |
| | 859 | |
| | 860 | /* is there a property */ |
| | 861 | if (spec.property != NULL) |
| | 862 | { |
| | 863 | if (strcmp (spec.value, "true") == 0) |
| | 864 | hw_add_boolean_property (current, spec.property, 1); |
| | 865 | else if (strcmp (spec.value, "false") == 0) |
| | 866 | hw_add_boolean_property (current, spec.property, 0); |
| | 867 | else |
| | 868 | { |
| | 869 | const struct hw_property *property; |
| | 870 | switch (spec.value[0]) |
| | 871 | { |
| | 872 | #if NOT_YET |
| | 873 | case '*': |
| | 874 | { |
| | 875 | parse_ihandle_property (current, spec.property, spec.value + 1); |
| | 876 | break; |
| | 877 | } |
| | 878 | #endif |
| | 879 | case '[': |
| | 880 | { |
| | 881 | unsigned8 words[1024]; |
| | 882 | char *curr = spec.value + 1; |
| | 883 | int nr_words = 0; |
| | 884 | while (1) |
| | 885 | { |
| | 886 | char *next; |
| | 887 | words[nr_words] = H2BE_1 (strtoul (curr, &next, 0)); |
| | 888 | if (curr == next) |
| | 889 | break; |
| | 890 | curr = next; |
| | 891 | nr_words += 1; |
| | 892 | } |
| | 893 | hw_add_array_property (current, spec.property, |
| | 894 | words, sizeof (words[0]) * nr_words); |
| | 895 | break; |
| | 896 | } |
| | 897 | case '"': |
| | 898 | { |
| | 899 | parse_string_property (current, spec.property, spec.value); |
| | 900 | break; |
| | 901 | } |
| | 902 | case '!': |
| | 903 | { |
| | 904 | spec.value++; |
| | 905 | property = hw_tree_find_property (current, spec.value); |
| | 906 | if (property == NULL) |
| | 907 | hw_abort (current, "property %s not found\n", spec.value); |
| | 908 | hw_add_duplicate_property (current, |
| | 909 | spec.property, |
| | 910 | property); |
| | 911 | break; |
| | 912 | } |
| | 913 | default: |
| | 914 | { |
| | 915 | if (strcmp (spec.property, "reg") == 0 |
| | 916 | || strcmp (spec.property, "assigned-addresses") == 0 |
| | 917 | || strcmp (spec.property, "alternate-reg") == 0) |
| | 918 | { |
| | 919 | parse_reg_property (current, spec.property, spec.value); |
| | 920 | } |
| | 921 | else if (strcmp (spec.property, "ranges") == 0) |
| | 922 | { |
| | 923 | parse_ranges_property (current, spec.property, spec.value); |
| | 924 | } |
| | 925 | else if (isdigit (spec.value[0]) |
| | 926 | || (spec.value[0] == '-' && isdigit (spec.value[1])) |
| | 927 | || (spec.value[0] == '+' && isdigit (spec.value[1]))) |
| | 928 | { |
| | 929 | parse_integer_property (current, spec.property, spec.value); |
| | 930 | } |
| | 931 | else |
| | 932 | parse_string_property (current, spec.property, spec.value); |
| | 933 | break; |
| | 934 | } |
| | 935 | } |
| | 936 | } |
| | 937 | } |
| | 938 | return current; |
| | 939 | } |
| | 940 | |
| | 941 | |
| | 942 | static void |
| | 943 | finish_hw_tree (struct hw *me, |
| | 944 | void *data) |
| | 945 | { |
| | 946 | if (!hw_finished_p (me)) |
| | 947 | hw_finish (me); |
| | 948 | } |
| | 949 | |
| | 950 | void |
| | 951 | hw_tree_finish (struct hw *root) |
| | 952 | { |
| | 953 | hw_tree_traverse (root, finish_hw_tree, NULL, NULL); |
| | 954 | } |
| | 955 | |
| | 956 | |
| | 957 | |
| | 958 | void |
| | 959 | hw_tree_traverse (struct hw *root, |
| | 960 | hw_tree_traverse_function *prefix, |
| | 961 | hw_tree_traverse_function *postfix, |
| | 962 | void *data) |
| | 963 | { |
| | 964 | struct hw *child; |
| | 965 | if (prefix != NULL) |
| | 966 | prefix (root, data); |
| | 967 | for (child = hw_child (root); |
| | 968 | child != NULL; |
| | 969 | child = hw_sibling (child)) |
| | 970 | { |
| | 971 | hw_tree_traverse (child, prefix, postfix, data); |
| | 972 | } |
| | 973 | if (postfix != NULL) |
| | 974 | postfix (root, data); |
| | 975 | } |
| | 976 | |
| | 977 | |
| | 978 | \f |
| | 979 | struct printer |
| | 980 | { |
| | 981 | hw_tree_print_callback *print; |
| | 982 | void *file; |
| | 983 | }; |
| | 984 | |
| | 985 | static void |
| | 986 | print_address (struct hw *bus, |
| | 987 | const hw_unit *phys, |
| | 988 | struct printer *p) |
| | 989 | { |
| | 990 | char unit[32]; |
| | 991 | hw_unit_encode (bus, phys, unit, sizeof (unit)); |
| | 992 | p->print (p->file, " %s", unit); |
| | 993 | } |
| | 994 | |
| | 995 | static void |
| | 996 | print_size (struct hw *bus, |
| | 997 | const hw_unit *size, |
| | 998 | struct printer *p) |
| | 999 | { |
| | 1000 | int i; |
| | 1001 | for (i = 0; i < size->nr_cells; i++) |
| | 1002 | if (size->cells[i] != 0) |
| | 1003 | break; |
| | 1004 | if (i < size->nr_cells) |
| | 1005 | { |
| | 1006 | p->print (p->file, " 0x%lx", (unsigned long) size->cells[i]); |
| | 1007 | i++; |
| | 1008 | for (; i < size->nr_cells; i++) |
| | 1009 | p->print (p->file, ",0x%lx", (unsigned long) size->cells[i]); |
| | 1010 | } |
| | 1011 | else |
| | 1012 | p->print (p->file, " 0"); |
| | 1013 | } |
| | 1014 | |
| | 1015 | static void |
| | 1016 | print_reg_property (struct hw *me, |
| | 1017 | const struct hw_property *property, |
| | 1018 | struct printer *p) |
| | 1019 | { |
| | 1020 | int reg_nr; |
| | 1021 | reg_property_spec reg; |
| | 1022 | for (reg_nr = 0; |
| | 1023 | hw_find_reg_array_property (me, property->name, reg_nr, ®); |
| | 1024 | reg_nr++) |
| | 1025 | { |
| | 1026 | print_address (hw_parent (me), ®.address, p); |
| | 1027 | print_size (me, ®.size, p); |
| | 1028 | } |
| | 1029 | } |
| | 1030 | |
| | 1031 | static void |
| | 1032 | print_ranges_property (struct hw *me, |
| | 1033 | const struct hw_property *property, |
| | 1034 | struct printer *p) |
| | 1035 | { |
| | 1036 | int range_nr; |
| | 1037 | range_property_spec range; |
| | 1038 | for (range_nr = 0; |
| | 1039 | hw_find_range_array_property (me, property->name, range_nr, &range); |
| | 1040 | range_nr++) |
| | 1041 | { |
| | 1042 | print_address (me, &range.child_address, p); |
| | 1043 | print_address (hw_parent (me), &range.parent_address, p); |
| | 1044 | print_size (me, &range.size, p); |
| | 1045 | } |
| | 1046 | } |
| | 1047 | |
| | 1048 | static void |
| | 1049 | print_string (struct hw *me, |
| | 1050 | const char *string, |
| | 1051 | struct printer *p) |
| | 1052 | { |
| | 1053 | p->print (p->file, " \""); |
| | 1054 | while (*string != '\0') |
| | 1055 | { |
| | 1056 | switch (*string) |
| | 1057 | { |
| | 1058 | case '"': |
| | 1059 | p->print (p->file, "\\\""); |
| | 1060 | break; |
| | 1061 | case '\\': |
| | 1062 | p->print (p->file, "\\\\"); |
| | 1063 | break; |
| | 1064 | default: |
| | 1065 | p->print (p->file, "%c", *string); |
| | 1066 | break; |
| | 1067 | } |
| | 1068 | string++; |
| | 1069 | } |
| | 1070 | p->print (p->file, "\""); |
| | 1071 | } |
| | 1072 | |
| | 1073 | static void |
| | 1074 | print_string_array_property (struct hw *me, |
| | 1075 | const struct hw_property *property, |
| | 1076 | struct printer *p) |
| | 1077 | { |
| | 1078 | int nr; |
| | 1079 | string_property_spec string; |
| | 1080 | for (nr = 0; |
| | 1081 | hw_find_string_array_property (me, property->name, nr, &string); |
| | 1082 | nr++) |
| | 1083 | { |
| | 1084 | print_string (me, string, p); |
| | 1085 | } |
| | 1086 | } |
| | 1087 | |
| | 1088 | static void |
| | 1089 | print_properties (struct hw *me, |
| | 1090 | struct printer *p) |
| | 1091 | { |
| | 1092 | const struct hw_property *property; |
| | 1093 | for (property = hw_find_property (me, NULL); |
| | 1094 | property != NULL; |
| | 1095 | property = hw_next_property (property)) |
| | 1096 | { |
| | 1097 | if (hw_parent (me) == NULL) |
| | 1098 | p->print (p->file, "/%s", property->name); |
| | 1099 | else |
| | 1100 | p->print (p->file, "%s/%s", hw_path (me), property->name); |
| | 1101 | if (property->original != NULL) |
| | 1102 | { |
| | 1103 | p->print (p->file, " !"); |
| | 1104 | p->print (p->file, "%s/%s", |
| | 1105 | hw_path (property->original->owner), |
| | 1106 | property->original->name); |
| | 1107 | } |
| | 1108 | else |
| | 1109 | { |
| | 1110 | switch (property->type) |
| | 1111 | { |
| | 1112 | case array_property: |
| | 1113 | { |
| | 1114 | if ((property->sizeof_array % sizeof (signed_cell)) == 0) |
| | 1115 | { |
| | 1116 | unsigned_cell *w = (unsigned_cell*) property->array; |
| | 1117 | int cell_nr; |
| | 1118 | for (cell_nr = 0; |
| | 1119 | cell_nr < (property->sizeof_array / sizeof (unsigned_cell)); |
| | 1120 | cell_nr++) |
| | 1121 | { |
| | 1122 | p->print (p->file, " 0x%lx", (unsigned long) BE2H_cell (w[cell_nr])); |
| | 1123 | } |
| | 1124 | } |
| | 1125 | else |
| | 1126 | { |
| | 1127 | unsigned8 *w = (unsigned8*)property->array; |
| | 1128 | p->print (p->file, " ["); |
| | 1129 | while ((char*)w - (char*)property->array < property->sizeof_array) |
| | 1130 | { |
| | 1131 | p->print (p->file, " 0x%2x", BE2H_1 (*w)); |
| | 1132 | w++; |
| | 1133 | } |
| | 1134 | } |
| | 1135 | break; |
| | 1136 | } |
| | 1137 | case boolean_property: |
| | 1138 | { |
| | 1139 | int b = hw_find_boolean_property (me, property->name); |
| | 1140 | p->print (p->file, " %s", b ? "true" : "false"); |
| | 1141 | break; |
| | 1142 | } |
| | 1143 | #if NOT_YET |
| | 1144 | case ihandle_property: |
| | 1145 | { |
| | 1146 | if (property->array != NULL) |
| | 1147 | { |
| | 1148 | device_instance *instance = hw_find_ihandle_property (me, property->name); |
| | 1149 | p->print (p->file, " *%s", device_instance_path (instance)); |
| | 1150 | } |
| | 1151 | else |
| | 1152 | { |
| | 1153 | /* not yet initialized, ask the device for the path */ |
| | 1154 | ihandle_runtime_property_spec spec; |
| | 1155 | hw_find_ihandle_runtime_property (me, property->name, &spec); |
| | 1156 | p->print (p->file, " *%s", spec.full_path); |
| | 1157 | } |
| | 1158 | break; |
| | 1159 | } |
| | 1160 | #endif |
| | 1161 | case integer_property: |
| | 1162 | { |
| | 1163 | unsigned_word w = hw_find_integer_property (me, property->name); |
| | 1164 | p->print (p->file, " 0x%lx", (unsigned long)w); |
| | 1165 | break; |
| | 1166 | } |
| | 1167 | case range_array_property: |
| | 1168 | { |
| | 1169 | print_ranges_property (me, property, p); |
| | 1170 | break; |
| | 1171 | } |
| | 1172 | case reg_array_property: |
| | 1173 | { |
| | 1174 | print_reg_property (me, property, p); |
| | 1175 | break; |
| | 1176 | } |
| | 1177 | case string_property: |
| | 1178 | { |
| | 1179 | const char *s = hw_find_string_property (me, property->name); |
| | 1180 | print_string (me, s, p); |
| | 1181 | break; |
| | 1182 | } |
| | 1183 | case string_array_property: |
| | 1184 | { |
| | 1185 | print_string_array_property (me, property, p); |
| | 1186 | break; |
| | 1187 | } |
| | 1188 | } |
| | 1189 | } |
| | 1190 | p->print (p->file, "\n"); |
| | 1191 | } |
| | 1192 | } |
| | 1193 | |
| | 1194 | static void |
| | 1195 | print_interrupts (struct hw *me, |
| | 1196 | int my_port, |
| | 1197 | struct hw *dest, |
| | 1198 | int dest_port, |
| | 1199 | void *data) |
| | 1200 | { |
| | 1201 | struct printer *p = data; |
| | 1202 | char src[32]; |
| | 1203 | char dst[32]; |
| | 1204 | hw_port_encode (me, my_port, src, sizeof (src), output_port); |
| | 1205 | hw_port_encode (dest, dest_port, dst, sizeof (dst), input_port); |
| | 1206 | p->print (p->file, |
| | 1207 | "%s > %s %s %s\n", |
| | 1208 | hw_path (me), |
| | 1209 | src, dst, |
| | 1210 | hw_path (dest)); |
| | 1211 | } |
| | 1212 | |
| | 1213 | static void |
| | 1214 | print_device (struct hw *me, |
| | 1215 | void *data) |
| | 1216 | { |
| | 1217 | struct printer *p = data; |
| | 1218 | p->print (p->file, "%s\n", hw_path (me)); |
| | 1219 | print_properties (me, p); |
| | 1220 | hw_port_traverse (me, print_interrupts, data); |
| | 1221 | } |
| | 1222 | |
| | 1223 | void |
| | 1224 | hw_tree_print (struct hw *root, |
| | 1225 | hw_tree_print_callback *print, |
| | 1226 | void *file) |
| | 1227 | { |
| | 1228 | struct printer p; |
| | 1229 | p.print = print; |
| | 1230 | p.file = file; |
| | 1231 | hw_tree_traverse (root, |
| | 1232 | print_device, NULL, |
| | 1233 | &p); |
| | 1234 | } |
| | 1235 | |
| | 1236 | |
| | 1237 | \f |
| | 1238 | #if NOT_YET |
| | 1239 | device_instance * |
| | 1240 | tree_instance (struct hw *root, |
| | 1241 | const char *device_specifier) |
| | 1242 | { |
| | 1243 | /* find the device node */ |
| | 1244 | struct hw *me; |
| | 1245 | name_specifier spec; |
| | 1246 | if (!split_device_specifier (root, device_specifier, &spec)) |
| | 1247 | return NULL; |
| | 1248 | me = split_find_device (root, &spec); |
| | 1249 | if (spec.name != NULL) |
| | 1250 | return NULL; |
| | 1251 | /* create the instance */ |
| | 1252 | return device_create_instance (me, device_specifier, spec.last_args); |
| | 1253 | } |
| | 1254 | #endif |
| | 1255 | |
| | 1256 | struct hw * |
| | 1257 | hw_tree_find_device (struct hw *root, |
| | 1258 | const char *path_to_device) |
| | 1259 | { |
| | 1260 | struct hw *node; |
| | 1261 | name_specifier spec; |
| | 1262 | |
| | 1263 | /* parse the path */ |
| | 1264 | split_device_specifier (root, path_to_device, &spec); |
| | 1265 | if (spec.value != NULL) |
| | 1266 | return NULL; /* something wierd */ |
| | 1267 | |
| | 1268 | /* now find it */ |
| | 1269 | node = split_find_device (root, &spec); |
| | 1270 | if (spec.name != NULL) |
| | 1271 | return NULL; /* not a leaf */ |
| | 1272 | |
| | 1273 | return node; |
| | 1274 | } |
| | 1275 | |
| | 1276 | |
| | 1277 | const struct hw_property * |
| | 1278 | hw_tree_find_property (struct hw *root, |
| | 1279 | const char *path_to_property) |
| | 1280 | { |
| | 1281 | name_specifier spec; |
| | 1282 | if (!split_property_specifier (root, path_to_property, &spec)) |
| | 1283 | hw_abort (root, "Invalid property path %s", path_to_property); |
| | 1284 | root = split_find_device (root, &spec); |
| | 1285 | if (spec.name != NULL) |
| | 1286 | return NULL; /* not a leaf */ |
| | 1287 | return hw_find_property (root, spec.property); |
| | 1288 | } |
| | 1289 | |
| | 1290 | int |
| | 1291 | hw_tree_find_boolean_property (struct hw *root, |
| | 1292 | const char *path_to_property) |
| | 1293 | { |
| | 1294 | name_specifier spec; |
| | 1295 | if (!split_property_specifier (root, path_to_property, &spec)) |
| | 1296 | hw_abort (root, "Invalid property path %s", path_to_property); |
| | 1297 | root = split_find_device (root, &spec); |
| | 1298 | if (spec.name != NULL) |
| | 1299 | hw_abort (root, "device \"%s\" not found (property \"%s\")", |
| | 1300 | spec.name, path_to_property); |
| | 1301 | return hw_find_boolean_property (root, spec.property); |
| | 1302 | } |
| | 1303 | |
| | 1304 | signed_cell |
| | 1305 | hw_tree_find_integer_property (struct hw *root, |
| | 1306 | const char *path_to_property) |
| | 1307 | { |
| | 1308 | name_specifier spec; |
| | 1309 | if (!split_property_specifier (root, path_to_property, &spec)) |
| | 1310 | hw_abort (root, "Invalid property path %s", path_to_property); |
| | 1311 | root = split_find_device (root, &spec); |
| | 1312 | if (spec.name != NULL) |
| | 1313 | hw_abort (root, "device \"%s\" not found (property \"%s\")", |
| | 1314 | spec.name, path_to_property); |
| | 1315 | return hw_find_integer_property (root, spec.property); |
| | 1316 | } |
| | 1317 | |
| | 1318 | #if NOT_YET |
| | 1319 | device_instance * |
| | 1320 | hw_tree_find_ihandle_property (struct hw *root, |
| | 1321 | const char *path_to_property) |
| | 1322 | { |
| | 1323 | struct hw *root; |
| | 1324 | name_specifier spec; |
| | 1325 | if (!split_property_specifier (root, path_to_property, &spec)) |
| | 1326 | hw_abort (root, "Invalid property path %s", path_to_property); |
| | 1327 | root = split_find_device (root, &spec); |
| | 1328 | if (spec.name != NULL) |
| | 1329 | hw_abort (root, "device \"%s\" not found (property \"%s\")", |
| | 1330 | spec.name, path_to_property); |
| | 1331 | return hw_find_ihandle_property (root, spec.property); |
| | 1332 | } |
| | 1333 | #endif |
| | 1334 | |
| | 1335 | const char * |
| | 1336 | hw_tree_find_string_property (struct hw *root, |
| | 1337 | const char *path_to_property) |
| | 1338 | { |
| | 1339 | name_specifier spec; |
| | 1340 | if (!split_property_specifier (root, path_to_property, &spec)) |
| | 1341 | hw_abort (root, "Invalid property path %s", path_to_property); |
| | 1342 | root = split_find_device (root, &spec); |
| | 1343 | if (spec.name != NULL) |
| | 1344 | hw_abort (root, "device \"%s\" not found (property \"%s\")", |
| | 1345 | spec.name, path_to_property); |
| | 1346 | return hw_find_string_property (root, spec.property); |
| | 1347 | } |
projects / deliverable / binutils-gdb.git / blame_incremental