| 1 | |
| 2 | |
| 3 | * (C) Copyright David Gibson <[email protected]>, IBM Corporation. 2005.
|
| 4 |
|
| 5 |
|
| 6 | #include "dtc.h"
|
| 7 | #include "srcpos.h"
|
| 8 |
|
| 9 | |
| 10 | * Tree building functions
|
| 11 |
|
| 12 |
|
| 13 | void add_label(struct label **labels, char *label)
|
| 14 | {
|
| 15 | struct label *new;
|
| 16 |
|
| 17 |
|
| 18 | for_each_label_withdel(*labels, new)
|
| 19 | if (streq(new->label, label)) {
|
| 20 | new->deleted = 0;
|
| 21 | return;
|
| 22 | }
|
| 23 |
|
| 24 | new = xmalloc(sizeof(*new));
|
| 25 | memset(new, 0, sizeof(*new));
|
| 26 | new->label = label;
|
| 27 | new->next = *labels;
|
| 28 | *labels = new;
|
| 29 | }
|
| 30 |
|
| 31 | void delete_labels(struct label **labels)
|
| 32 | {
|
| 33 | struct label *label;
|
| 34 |
|
| 35 | for_each_label(*labels, label)
|
| 36 | label->deleted = 1;
|
| 37 | }
|
| 38 |
|
| 39 | struct property *build_property(char *name, struct data val,
|
| 40 | struct srcpos *srcpos)
|
| 41 | {
|
| 42 | struct property *new = xmalloc(sizeof(*new));
|
| 43 |
|
| 44 | memset(new, 0, sizeof(*new));
|
| 45 |
|
| 46 | new->name = name;
|
| 47 | new->val = val;
|
| 48 | new->srcpos = srcpos_copy(srcpos);
|
| 49 |
|
| 50 | return new;
|
| 51 | }
|
| 52 |
|
| 53 | struct property *build_property_delete(char *name)
|
| 54 | {
|
| 55 | struct property *new = xmalloc(sizeof(*new));
|
| 56 |
|
| 57 | memset(new, 0, sizeof(*new));
|
| 58 |
|
| 59 | new->name = name;
|
| 60 | new->deleted = 1;
|
| 61 |
|
| 62 | return new;
|
| 63 | }
|
| 64 |
|
| 65 | struct property *chain_property(struct property *first, struct property *list)
|
| 66 | {
|
| 67 | assert(first->next == NULL);
|
| 68 |
|
| 69 | first->next = list;
|
| 70 | return first;
|
| 71 | }
|
| 72 |
|
| 73 | struct property *reverse_properties(struct property *first)
|
| 74 | {
|
| 75 | struct property *p = first;
|
| 76 | struct property *head = NULL;
|
| 77 | struct property *next;
|
| 78 |
|
| 79 | while (p) {
|
| 80 | next = p->next;
|
| 81 | p->next = head;
|
| 82 | head = p;
|
| 83 | p = next;
|
| 84 | }
|
| 85 | return head;
|
| 86 | }
|
| 87 |
|
| 88 | struct node *build_node(struct property *proplist, struct node *children,
|
| 89 | struct srcpos *srcpos)
|
| 90 | {
|
| 91 | struct node *new = xmalloc(sizeof(*new));
|
| 92 | struct node *child;
|
| 93 |
|
| 94 | memset(new, 0, sizeof(*new));
|
| 95 |
|
| 96 | new->proplist = reverse_properties(proplist);
|
| 97 | new->children = children;
|
| 98 | new->srcpos = srcpos_copy(srcpos);
|
| 99 |
|
| 100 | for_each_child(new, child) {
|
| 101 | child->parent = new;
|
| 102 | }
|
| 103 |
|
| 104 | return new;
|
| 105 | }
|
| 106 |
|
| 107 | struct node *build_node_delete(struct srcpos *srcpos)
|
| 108 | {
|
| 109 | struct node *new = xmalloc(sizeof(*new));
|
| 110 |
|
| 111 | memset(new, 0, sizeof(*new));
|
| 112 |
|
| 113 | new->deleted = 1;
|
| 114 | new->srcpos = srcpos_copy(srcpos);
|
| 115 |
|
| 116 | return new;
|
| 117 | }
|
| 118 |
|
| 119 | struct node *name_node(struct node *node, char *name)
|
| 120 | {
|
| 121 | assert(node->name == NULL);
|
| 122 |
|
| 123 | node->name = name;
|
| 124 |
|
| 125 | return node;
|
| 126 | }
|
| 127 |
|
| 128 | struct node *omit_node_if_unused(struct node *node)
|
| 129 | {
|
| 130 | node->omit_if_unused = 1;
|
| 131 |
|
| 132 | return node;
|
| 133 | }
|
| 134 |
|
| 135 | struct node *reference_node(struct node *node)
|
| 136 | {
|
| 137 | node->is_referenced = 1;
|
| 138 |
|
| 139 | return node;
|
| 140 | }
|
| 141 |
|
| 142 | struct node *merge_nodes(struct node *old_node, struct node *new_node)
|
| 143 | {
|
| 144 | struct property *new_prop, *old_prop;
|
| 145 | struct node *new_child, *old_child;
|
| 146 | struct label *l;
|
| 147 |
|
| 148 | old_node->deleted = 0;
|
| 149 |
|
| 150 |
|
| 151 | for_each_label_withdel(new_node->labels, l)
|
| 152 | add_label(&old_node->labels, l->label);
|
| 153 |
|
| 154 | |
| 155 | * is a collision, replace the old value with the new
|
| 156 | while (new_node->proplist) {
|
| 157 |
|
| 158 | new_prop = new_node->proplist;
|
| 159 | new_node->proplist = new_prop->next;
|
| 160 | new_prop->next = NULL;
|
| 161 |
|
| 162 | if (new_prop->deleted) {
|
| 163 | delete_property_by_name(old_node, new_prop->name);
|
| 164 | free(new_prop);
|
| 165 | continue;
|
| 166 | }
|
| 167 |
|
| 168 |
|
| 169 | for_each_property_withdel(old_node, old_prop) {
|
| 170 | if (streq(old_prop->name, new_prop->name)) {
|
| 171 |
|
| 172 | for_each_label_withdel(new_prop->labels, l)
|
| 173 | add_label(&old_prop->labels, l->label);
|
| 174 |
|
| 175 | old_prop->val = new_prop->val;
|
| 176 | old_prop->deleted = 0;
|
| 177 | free(old_prop->srcpos);
|
| 178 | old_prop->srcpos = new_prop->srcpos;
|
| 179 | free(new_prop);
|
| 180 | new_prop = NULL;
|
| 181 | break;
|
| 182 | }
|
| 183 | }
|
| 184 |
|
| 185 |
|
| 186 | if (new_prop)
|
| 187 | add_property(old_node, new_prop);
|
| 188 | }
|
| 189 |
|
| 190 | |
| 191 | * there is a collision, then merge the nodes.
|
| 192 | while (new_node->children) {
|
| 193 |
|
| 194 | new_child = new_node->children;
|
| 195 | new_node->children = new_child->next_sibling;
|
| 196 | new_child->parent = NULL;
|
| 197 | new_child->next_sibling = NULL;
|
| 198 |
|
| 199 | if (new_child->deleted) {
|
| 200 | delete_node_by_name(old_node, new_child->name);
|
| 201 | free(new_child);
|
| 202 | continue;
|
| 203 | }
|
| 204 |
|
| 205 |
|
| 206 | for_each_child_withdel(old_node, old_child) {
|
| 207 | if (streq(old_child->name, new_child->name)) {
|
| 208 | merge_nodes(old_child, new_child);
|
| 209 | new_child = NULL;
|
| 210 | break;
|
| 211 | }
|
| 212 | }
|
| 213 |
|
| 214 |
|
| 215 | if (new_child)
|
| 216 | add_child(old_node, new_child);
|
| 217 | }
|
| 218 |
|
| 219 | old_node->srcpos = srcpos_extend(old_node->srcpos, new_node->srcpos);
|
| 220 |
|
| 221 | |
| 222 | * the new node.
|
| 223 | free(new_node);
|
| 224 |
|
| 225 | return old_node;
|
| 226 | }
|
| 227 |
|
| 228 | struct node * add_orphan_node(struct node *dt, struct node *new_node, char *ref)
|
| 229 | {
|
| 230 | static unsigned int next_orphan_fragment = 0;
|
| 231 | struct node *node;
|
| 232 | struct property *p;
|
| 233 | struct data d = empty_data;
|
| 234 | char *name;
|
| 235 |
|
| 236 | if (ref[0] == '/') {
|
| 237 | d = data_add_marker(d, TYPE_STRING, ref);
|
| 238 | d = data_append_data(d, ref, strlen(ref) + 1);
|
| 239 |
|
| 240 | p = build_property("target-path", d, NULL);
|
| 241 | } else {
|
| 242 | d = data_add_marker(d, REF_PHANDLE, ref);
|
| 243 | d = data_append_integer(d, 0xffffffff, 32);
|
| 244 |
|
| 245 | p = build_property("target", d, NULL);
|
| 246 | }
|
| 247 |
|
| 248 | xasprintf(&name, "fragment@%u",
|
| 249 | next_orphan_fragment++);
|
| 250 | name_node(new_node, "__overlay__");
|
| 251 | node = build_node(p, new_node, NULL);
|
| 252 | name_node(node, name);
|
| 253 |
|
| 254 | add_child(dt, node);
|
| 255 | return dt;
|
| 256 | }
|
| 257 |
|
| 258 | struct node *chain_node(struct node *first, struct node *list)
|
| 259 | {
|
| 260 | assert(first->next_sibling == NULL);
|
| 261 |
|
| 262 | first->next_sibling = list;
|
| 263 | return first;
|
| 264 | }
|
| 265 |
|
| 266 | void add_property(struct node *node, struct property *prop)
|
| 267 | {
|
| 268 | struct property **p;
|
| 269 |
|
| 270 | prop->next = NULL;
|
| 271 |
|
| 272 | p = &node->proplist;
|
| 273 | while (*p)
|
| 274 | p = &((*p)->next);
|
| 275 |
|
| 276 | *p = prop;
|
| 277 | }
|
| 278 |
|
| 279 | void delete_property_by_name(struct node *node, char *name)
|
| 280 | {
|
| 281 | struct property *prop = node->proplist;
|
| 282 |
|
| 283 | while (prop) {
|
| 284 | if (streq(prop->name, name)) {
|
| 285 | delete_property(prop);
|
| 286 | return;
|
| 287 | }
|
| 288 | prop = prop->next;
|
| 289 | }
|
| 290 | }
|
| 291 |
|
| 292 | void delete_property(struct property *prop)
|
| 293 | {
|
| 294 | prop->deleted = 1;
|
| 295 | delete_labels(&prop->labels);
|
| 296 | }
|
| 297 |
|
| 298 | void add_child(struct node *parent, struct node *child)
|
| 299 | {
|
| 300 | struct node **p;
|
| 301 |
|
| 302 | child->next_sibling = NULL;
|
| 303 | child->parent = parent;
|
| 304 |
|
| 305 | p = &parent->children;
|
| 306 | while (*p)
|
| 307 | p = &((*p)->next_sibling);
|
| 308 |
|
| 309 | *p = child;
|
| 310 | }
|
| 311 |
|
| 312 | void delete_node_by_name(struct node *parent, char *name)
|
| 313 | {
|
| 314 | struct node *node = parent->children;
|
| 315 |
|
| 316 | while (node) {
|
| 317 | if (streq(node->name, name)) {
|
| 318 | delete_node(node);
|
| 319 | return;
|
| 320 | }
|
| 321 | node = node->next_sibling;
|
| 322 | }
|
| 323 | }
|
| 324 |
|
| 325 | void delete_node(struct node *node)
|
| 326 | {
|
| 327 | struct property *prop;
|
| 328 | struct node *child;
|
| 329 |
|
| 330 | node->deleted = 1;
|
| 331 | for_each_child(node, child)
|
| 332 | delete_node(child);
|
| 333 | for_each_property(node, prop)
|
| 334 | delete_property(prop);
|
| 335 | delete_labels(&node->labels);
|
| 336 | }
|
| 337 |
|
| 338 | void append_to_property(struct node *node,
|
| 339 | char *name, const void *data, int len,
|
| 340 | enum markertype type)
|
| 341 | {
|
| 342 | struct data d;
|
| 343 | struct property *p;
|
| 344 |
|
| 345 | p = get_property(node, name);
|
| 346 | if (p) {
|
| 347 | d = data_add_marker(p->val, type, name);
|
| 348 | d = data_append_data(d, data, len);
|
| 349 | p->val = d;
|
| 350 | } else {
|
| 351 | d = data_add_marker(empty_data, type, name);
|
| 352 | d = data_append_data(d, data, len);
|
| 353 | p = build_property(name, d, NULL);
|
| 354 | add_property(node, p);
|
| 355 | }
|
| 356 | }
|
| 357 |
|
| 358 | struct reserve_info *build_reserve_entry(uint64_t address, uint64_t size)
|
| 359 | {
|
| 360 | struct reserve_info *new = xmalloc(sizeof(*new));
|
| 361 |
|
| 362 | memset(new, 0, sizeof(*new));
|
| 363 |
|
| 364 | new->address = address;
|
| 365 | new->size = size;
|
| 366 |
|
| 367 | return new;
|
| 368 | }
|
| 369 |
|
| 370 | struct reserve_info *chain_reserve_entry(struct reserve_info *first,
|
| 371 | struct reserve_info *list)
|
| 372 | {
|
| 373 | assert(first->next == NULL);
|
| 374 |
|
| 375 | first->next = list;
|
| 376 | return first;
|
| 377 | }
|
| 378 |
|
| 379 | struct reserve_info *add_reserve_entry(struct reserve_info *list,
|
| 380 | struct reserve_info *new)
|
| 381 | {
|
| 382 | struct reserve_info *last;
|
| 383 |
|
| 384 | new->next = NULL;
|
| 385 |
|
| 386 | if (! list)
|
| 387 | return new;
|
| 388 |
|
| 389 | for (last = list; last->next; last = last->next)
|
| 390 | ;
|
| 391 |
|
| 392 | last->next = new;
|
| 393 |
|
| 394 | return list;
|
| 395 | }
|
| 396 |
|
| 397 | struct dt_info *build_dt_info(unsigned int dtsflags,
|
| 398 | struct reserve_info *reservelist,
|
| 399 | struct node *tree, uint32_t boot_cpuid_phys)
|
| 400 | {
|
| 401 | struct dt_info *dti;
|
| 402 |
|
| 403 | dti = xmalloc(sizeof(*dti));
|
| 404 | dti->dtsflags = dtsflags;
|
| 405 | dti->reservelist = reservelist;
|
| 406 | dti->dt = tree;
|
| 407 | dti->boot_cpuid_phys = boot_cpuid_phys;
|
| 408 |
|
| 409 | return dti;
|
| 410 | }
|
| 411 |
|
| 412 | |
| 413 | * Tree accessor functions
|
| 414 |
|
| 415 |
|
| 416 | const char *get_unitname(struct node *node)
|
| 417 | {
|
| 418 | if (node->name[node->basenamelen] == '\0')
|
| 419 | return "";
|
| 420 | else
|
| 421 | return node->name + node->basenamelen + 1;
|
| 422 | }
|
| 423 |
|
| 424 | struct property *get_property(struct node *node, const char *propname)
|
| 425 | {
|
| 426 | struct property *prop;
|
| 427 |
|
| 428 | for_each_property(node, prop)
|
| 429 | if (streq(prop->name, propname))
|
| 430 | return prop;
|
| 431 |
|
| 432 | return NULL;
|
| 433 | }
|
| 434 |
|
| 435 | cell_t propval_cell(struct property *prop)
|
| 436 | {
|
| 437 | assert(prop->val.len == sizeof(cell_t));
|
| 438 | return fdt32_to_cpu(*((fdt32_t *)prop->val.val));
|
| 439 | }
|
| 440 |
|
| 441 | cell_t propval_cell_n(struct property *prop, unsigned int n)
|
| 442 | {
|
| 443 | assert(prop->val.len / sizeof(cell_t) >= n);
|
| 444 | return fdt32_to_cpu(*((fdt32_t *)prop->val.val + n));
|
| 445 | }
|
| 446 |
|
| 447 | struct property *get_property_by_label(struct node *tree, const char *label,
|
| 448 | struct node **node)
|
| 449 | {
|
| 450 | struct property *prop;
|
| 451 | struct node *c;
|
| 452 |
|
| 453 | *node = tree;
|
| 454 |
|
| 455 | for_each_property(tree, prop) {
|
| 456 | struct label *l;
|
| 457 |
|
| 458 | for_each_label(prop->labels, l)
|
| 459 | if (streq(l->label, label))
|
| 460 | return prop;
|
| 461 | }
|
| 462 |
|
| 463 | for_each_child(tree, c) {
|
| 464 | prop = get_property_by_label(c, label, node);
|
| 465 | if (prop)
|
| 466 | return prop;
|
| 467 | }
|
| 468 |
|
| 469 | *node = NULL;
|
| 470 | return NULL;
|
| 471 | }
|
| 472 |
|
| 473 | struct marker *get_marker_label(struct node *tree, const char *label,
|
| 474 | struct node **node, struct property **prop)
|
| 475 | {
|
| 476 | struct marker *m;
|
| 477 | struct property *p;
|
| 478 | struct node *c;
|
| 479 |
|
| 480 | *node = tree;
|
| 481 |
|
| 482 | for_each_property(tree, p) {
|
| 483 | *prop = p;
|
| 484 | m = p->val.markers;
|
| 485 | for_each_marker_of_type(m, LABEL)
|
| 486 | if (streq(m->ref, label))
|
| 487 | return m;
|
| 488 | }
|
| 489 |
|
| 490 | for_each_child(tree, c) {
|
| 491 | m = get_marker_label(c, label, node, prop);
|
| 492 | if (m)
|
| 493 | return m;
|
| 494 | }
|
| 495 |
|
| 496 | *prop = NULL;
|
| 497 | *node = NULL;
|
| 498 | return NULL;
|
| 499 | }
|
| 500 |
|
| 501 | struct node *get_subnode(struct node *node, const char *nodename)
|
| 502 | {
|
| 503 | struct node *child;
|
| 504 |
|
| 505 | for_each_child(node, child)
|
| 506 | if (streq(child->name, nodename))
|
| 507 | return child;
|
| 508 |
|
| 509 | return NULL;
|
| 510 | }
|
| 511 |
|
| 512 | struct node *get_node_by_path(struct node *tree, const char *path)
|
| 513 | {
|
| 514 | const char *p;
|
| 515 | struct node *child;
|
| 516 |
|
| 517 | if (!path || ! (*path)) {
|
| 518 | if (tree->deleted)
|
| 519 | return NULL;
|
| 520 | return tree;
|
| 521 | }
|
| 522 |
|
| 523 | while (path[0] == '/')
|
| 524 | path++;
|
| 525 |
|
| 526 | p = strchr(path, '/');
|
| 527 |
|
| 528 | for_each_child(tree, child) {
|
| 529 | if (p && strprefixeq(path, p - path, child->name))
|
| 530 | return get_node_by_path(child, p+1);
|
| 531 | else if (!p && streq(path, child->name))
|
| 532 | return child;
|
| 533 | }
|
| 534 |
|
| 535 | return NULL;
|
| 536 | }
|
| 537 |
|
| 538 | struct node *get_node_by_label(struct node *tree, const char *label)
|
| 539 | {
|
| 540 | struct node *child, *node;
|
| 541 | struct label *l;
|
| 542 |
|
| 543 | assert(label && (strlen(label) > 0));
|
| 544 |
|
| 545 | for_each_label(tree->labels, l)
|
| 546 | if (streq(l->label, label))
|
| 547 | return tree;
|
| 548 |
|
| 549 | for_each_child(tree, child) {
|
| 550 | node = get_node_by_label(child, label);
|
| 551 | if (node)
|
| 552 | return node;
|
| 553 | }
|
| 554 |
|
| 555 | return NULL;
|
| 556 | }
|
| 557 |
|
| 558 | struct node *get_node_by_phandle(struct node *tree, cell_t phandle)
|
| 559 | {
|
| 560 | struct node *child, *node;
|
| 561 |
|
| 562 | if ((phandle == 0) || (phandle == -1)) {
|
| 563 | assert(generate_fixups);
|
| 564 | return NULL;
|
| 565 | }
|
| 566 |
|
| 567 | if (tree->phandle == phandle) {
|
| 568 | if (tree->deleted)
|
| 569 | return NULL;
|
| 570 | return tree;
|
| 571 | }
|
| 572 |
|
| 573 | for_each_child(tree, child) {
|
| 574 | node = get_node_by_phandle(child, phandle);
|
| 575 | if (node)
|
| 576 | return node;
|
| 577 | }
|
| 578 |
|
| 579 | return NULL;
|
| 580 | }
|
| 581 |
|
| 582 | struct node *get_node_by_ref(struct node *tree, const char *ref)
|
| 583 | {
|
| 584 | if (streq(ref, "/"))
|
| 585 | return tree;
|
| 586 | else if (ref[0] == '/')
|
| 587 | return get_node_by_path(tree, ref);
|
| 588 | else
|
| 589 | return get_node_by_label(tree, ref);
|
| 590 | }
|
| 591 |
|
| 592 | cell_t get_node_phandle(struct node *root, struct node *node)
|
| 593 | {
|
| 594 | static cell_t phandle = 1;
|
| 595 | struct data d = empty_data;
|
| 596 |
|
| 597 | if ((node->phandle != 0) && (node->phandle != -1))
|
| 598 | return node->phandle;
|
| 599 |
|
| 600 | while (get_node_by_phandle(root, phandle))
|
| 601 | phandle++;
|
| 602 |
|
| 603 | node->phandle = phandle;
|
| 604 |
|
| 605 | d = data_add_marker(d, TYPE_UINT32, NULL);
|
| 606 | d = data_append_cell(d, phandle);
|
| 607 |
|
| 608 | if (!get_property(node, "linux,phandle")
|
| 609 | && (phandle_format & PHANDLE_LEGACY))
|
| 610 | add_property(node, build_property("linux,phandle", d, NULL));
|
| 611 |
|
| 612 | if (!get_property(node, "phandle")
|
| 613 | && (phandle_format & PHANDLE_EPAPR))
|
| 614 | add_property(node, build_property("phandle", d, NULL));
|
| 615 |
|
| 616 | |
| 617 | * be dealing with a self-referencing phandle, which will be
|
| 618 | * fixed up momentarily in the caller
|
| 619 |
|
| 620 | return node->phandle;
|
| 621 | }
|
| 622 |
|
| 623 | uint32_t guess_boot_cpuid(struct node *tree)
|
| 624 | {
|
| 625 | struct node *cpus, *bootcpu;
|
| 626 | struct property *reg;
|
| 627 |
|
| 628 | cpus = get_node_by_path(tree, "/cpus");
|
| 629 | if (!cpus)
|
| 630 | return 0;
|
| 631 |
|
| 632 |
|
| 633 | bootcpu = cpus->children;
|
| 634 | if (!bootcpu)
|
| 635 | return 0;
|
| 636 |
|
| 637 | reg = get_property(bootcpu, "reg");
|
| 638 | if (!reg || (reg->val.len != sizeof(uint32_t)))
|
| 639 | return 0;
|
| 640 |
|
| 641 |
|
| 642 |
|
| 643 | return propval_cell(reg);
|
| 644 | }
|
| 645 |
|
| 646 | static int cmp_reserve_info(const void *ax, const void *bx)
|
| 647 | {
|
| 648 | const struct reserve_info *a, *b;
|
| 649 |
|
| 650 | a = *((const struct reserve_info * const *)ax);
|
| 651 | b = *((const struct reserve_info * const *)bx);
|
| 652 |
|
| 653 | if (a->address < b->address)
|
| 654 | return -1;
|
| 655 | else if (a->address > b->address)
|
| 656 | return 1;
|
| 657 | else if (a->size < b->size)
|
| 658 | return -1;
|
| 659 | else if (a->size > b->size)
|
| 660 | return 1;
|
| 661 | else
|
| 662 | return 0;
|
| 663 | }
|
| 664 |
|
| 665 | static void sort_reserve_entries(struct dt_info *dti)
|
| 666 | {
|
| 667 | struct reserve_info *ri, **tbl;
|
| 668 | int n = 0, i = 0;
|
| 669 |
|
| 670 | for (ri = dti->reservelist;
|
| 671 | ri;
|
| 672 | ri = ri->next)
|
| 673 | n++;
|
| 674 |
|
| 675 | if (n == 0)
|
| 676 | return;
|
| 677 |
|
| 678 | tbl = xmalloc(n * sizeof(*tbl));
|
| 679 |
|
| 680 | for (ri = dti->reservelist;
|
| 681 | ri;
|
| 682 | ri = ri->next)
|
| 683 | tbl[i++] = ri;
|
| 684 |
|
| 685 | qsort(tbl, n, sizeof(*tbl), cmp_reserve_info);
|
| 686 |
|
| 687 | dti->reservelist = tbl[0];
|
| 688 | for (i = 0; i < (n-1); i++)
|
| 689 | tbl[i]->next = tbl[i+1];
|
| 690 | tbl[n-1]->next = NULL;
|
| 691 |
|
| 692 | free(tbl);
|
| 693 | }
|
| 694 |
|
| 695 | static int cmp_prop(const void *ax, const void *bx)
|
| 696 | {
|
| 697 | const struct property *a, *b;
|
| 698 |
|
| 699 | a = *((const struct property * const *)ax);
|
| 700 | b = *((const struct property * const *)bx);
|
| 701 |
|
| 702 | return strcmp(a->name, b->name);
|
| 703 | }
|
| 704 |
|
| 705 | static void sort_properties(struct node *node)
|
| 706 | {
|
| 707 | int n = 0, i = 0;
|
| 708 | struct property *prop, **tbl;
|
| 709 |
|
| 710 | for_each_property_withdel(node, prop)
|
| 711 | n++;
|
| 712 |
|
| 713 | if (n == 0)
|
| 714 | return;
|
| 715 |
|
| 716 | tbl = xmalloc(n * sizeof(*tbl));
|
| 717 |
|
| 718 | for_each_property_withdel(node, prop)
|
| 719 | tbl[i++] = prop;
|
| 720 |
|
| 721 | qsort(tbl, n, sizeof(*tbl), cmp_prop);
|
| 722 |
|
| 723 | node->proplist = tbl[0];
|
| 724 | for (i = 0; i < (n-1); i++)
|
| 725 | tbl[i]->next = tbl[i+1];
|
| 726 | tbl[n-1]->next = NULL;
|
| 727 |
|
| 728 | free(tbl);
|
| 729 | }
|
| 730 |
|
| 731 | static int cmp_subnode(const void *ax, const void *bx)
|
| 732 | {
|
| 733 | const struct node *a, *b;
|
| 734 |
|
| 735 | a = *((const struct node * const *)ax);
|
| 736 | b = *((const struct node * const *)bx);
|
| 737 |
|
| 738 | return strcmp(a->name, b->name);
|
| 739 | }
|
| 740 |
|
| 741 | static void sort_subnodes(struct node *node)
|
| 742 | {
|
| 743 | int n = 0, i = 0;
|
| 744 | struct node *subnode, **tbl;
|
| 745 |
|
| 746 | for_each_child_withdel(node, subnode)
|
| 747 | n++;
|
| 748 |
|
| 749 | if (n == 0)
|
| 750 | return;
|
| 751 |
|
| 752 | tbl = xmalloc(n * sizeof(*tbl));
|
| 753 |
|
| 754 | for_each_child_withdel(node, subnode)
|
| 755 | tbl[i++] = subnode;
|
| 756 |
|
| 757 | qsort(tbl, n, sizeof(*tbl), cmp_subnode);
|
| 758 |
|
| 759 | node->children = tbl[0];
|
| 760 | for (i = 0; i < (n-1); i++)
|
| 761 | tbl[i]->next_sibling = tbl[i+1];
|
| 762 | tbl[n-1]->next_sibling = NULL;
|
| 763 |
|
| 764 | free(tbl);
|
| 765 | }
|
| 766 |
|
| 767 | static void sort_node(struct node *node)
|
| 768 | {
|
| 769 | struct node *c;
|
| 770 |
|
| 771 | sort_properties(node);
|
| 772 | sort_subnodes(node);
|
| 773 | for_each_child_withdel(node, c)
|
| 774 | sort_node(c);
|
| 775 | }
|
| 776 |
|
| 777 | void sort_tree(struct dt_info *dti)
|
| 778 | {
|
| 779 | sort_reserve_entries(dti);
|
| 780 | sort_node(dti->dt);
|
| 781 | }
|
| 782 |
|
| 783 |
|
| 784 | static struct node *build_and_name_child_node(struct node *parent, char *name)
|
| 785 | {
|
| 786 | struct node *node;
|
| 787 |
|
| 788 | node = build_node(NULL, NULL, NULL);
|
| 789 | name_node(node, xstrdup(name));
|
| 790 | add_child(parent, node);
|
| 791 |
|
| 792 | return node;
|
| 793 | }
|
| 794 |
|
| 795 | static struct node *build_root_node(struct node *dt, char *name)
|
| 796 | {
|
| 797 | struct node *an;
|
| 798 |
|
| 799 | an = get_subnode(dt, name);
|
| 800 | if (!an)
|
| 801 | an = build_and_name_child_node(dt, name);
|
| 802 |
|
| 803 | if (!an)
|
| 804 | die("Could not build root node /%s\n", name);
|
| 805 |
|
| 806 | return an;
|
| 807 | }
|
| 808 |
|
| 809 | static bool any_label_tree(struct dt_info *dti, struct node *node)
|
| 810 | {
|
| 811 | struct node *c;
|
| 812 |
|
| 813 | if (node->labels)
|
| 814 | return true;
|
| 815 |
|
| 816 | for_each_child(node, c)
|
| 817 | if (any_label_tree(dti, c))
|
| 818 | return true;
|
| 819 |
|
| 820 | return false;
|
| 821 | }
|
| 822 |
|
| 823 | static void generate_label_tree_internal(struct dt_info *dti,
|
| 824 | struct node *an, struct node *node,
|
| 825 | bool allocph)
|
| 826 | {
|
| 827 | struct node *dt = dti->dt;
|
| 828 | struct node *c;
|
| 829 | struct property *p;
|
| 830 | struct label *l;
|
| 831 |
|
| 832 |
|
| 833 | if (node->labels) {
|
| 834 |
|
| 835 |
|
| 836 | for_each_label(node->labels, l) {
|
| 837 |
|
| 838 |
|
| 839 | p = get_property(an, l->label);
|
| 840 | if (p) {
|
| 841 | fprintf(stderr, "WARNING: label %s already"
|
| 842 | " exists in /%s", l->label,
|
| 843 | an->name);
|
| 844 | continue;
|
| 845 | }
|
| 846 |
|
| 847 |
|
| 848 | p = build_property(l->label,
|
| 849 | data_copy_escape_string(node->fullpath,
|
| 850 | strlen(node->fullpath)),
|
| 851 | NULL);
|
| 852 | add_property(an, p);
|
| 853 | }
|
| 854 |
|
| 855 |
|
| 856 | if (allocph)
|
| 857 | (void)get_node_phandle(dt, node);
|
| 858 | }
|
| 859 |
|
| 860 | for_each_child(node, c)
|
| 861 | generate_label_tree_internal(dti, an, c, allocph);
|
| 862 | }
|
| 863 |
|
| 864 | static bool any_fixup_tree(struct dt_info *dti, struct node *node)
|
| 865 | {
|
| 866 | struct node *c;
|
| 867 | struct property *prop;
|
| 868 | struct marker *m;
|
| 869 |
|
| 870 | for_each_property(node, prop) {
|
| 871 | m = prop->val.markers;
|
| 872 | for_each_marker_of_type(m, REF_PHANDLE) {
|
| 873 | if (!get_node_by_ref(dti->dt, m->ref))
|
| 874 | return true;
|
| 875 | }
|
| 876 | }
|
| 877 |
|
| 878 | for_each_child(node, c) {
|
| 879 | if (any_fixup_tree(dti, c))
|
| 880 | return true;
|
| 881 | }
|
| 882 |
|
| 883 | return false;
|
| 884 | }
|
| 885 |
|
| 886 | static void add_fixup_entry(struct dt_info *dti, struct node *fn,
|
| 887 | struct node *node, struct property *prop,
|
| 888 | struct marker *m)
|
| 889 | {
|
| 890 | char *entry;
|
| 891 |
|
| 892 |
|
| 893 | assert(m->type == REF_PHANDLE);
|
| 894 |
|
| 895 |
|
| 896 | if (strchr(node->fullpath, ':') || strchr(prop->name, ':'))
|
| 897 | die("arguments should not contain ':'\n");
|
| 898 |
|
| 899 | xasprintf(&entry, "%s:%s:%u",
|
| 900 | node->fullpath, prop->name, m->offset);
|
| 901 | append_to_property(fn, m->ref, entry, strlen(entry) + 1, TYPE_STRING);
|
| 902 |
|
| 903 | free(entry);
|
| 904 | }
|
| 905 |
|
| 906 | static void generate_fixups_tree_internal(struct dt_info *dti,
|
| 907 | struct node *fn,
|
| 908 | struct node *node)
|
| 909 | {
|
| 910 | struct node *dt = dti->dt;
|
| 911 | struct node *c;
|
| 912 | struct property *prop;
|
| 913 | struct marker *m;
|
| 914 | struct node *refnode;
|
| 915 |
|
| 916 | for_each_property(node, prop) {
|
| 917 | m = prop->val.markers;
|
| 918 | for_each_marker_of_type(m, REF_PHANDLE) {
|
| 919 | refnode = get_node_by_ref(dt, m->ref);
|
| 920 | if (!refnode)
|
| 921 | add_fixup_entry(dti, fn, node, prop, m);
|
| 922 | }
|
| 923 | }
|
| 924 |
|
| 925 | for_each_child(node, c)
|
| 926 | generate_fixups_tree_internal(dti, fn, c);
|
| 927 | }
|
| 928 |
|
| 929 | static bool any_local_fixup_tree(struct dt_info *dti, struct node *node)
|
| 930 | {
|
| 931 | struct node *c;
|
| 932 | struct property *prop;
|
| 933 | struct marker *m;
|
| 934 |
|
| 935 | for_each_property(node, prop) {
|
| 936 | m = prop->val.markers;
|
| 937 | for_each_marker_of_type(m, REF_PHANDLE) {
|
| 938 | if (get_node_by_ref(dti->dt, m->ref))
|
| 939 | return true;
|
| 940 | }
|
| 941 | }
|
| 942 |
|
| 943 | for_each_child(node, c) {
|
| 944 | if (any_local_fixup_tree(dti, c))
|
| 945 | return true;
|
| 946 | }
|
| 947 |
|
| 948 | return false;
|
| 949 | }
|
| 950 |
|
| 951 | static void add_local_fixup_entry(struct dt_info *dti,
|
| 952 | struct node *lfn, struct node *node,
|
| 953 | struct property *prop, struct marker *m,
|
| 954 | struct node *refnode)
|
| 955 | {
|
| 956 | struct node *wn, *nwn;
|
| 957 | fdt32_t value_32;
|
| 958 | char **compp;
|
| 959 | int i, depth;
|
| 960 |
|
| 961 |
|
| 962 | depth = 0;
|
| 963 | for (wn = node; wn; wn = wn->parent)
|
| 964 | depth++;
|
| 965 |
|
| 966 |
|
| 967 | compp = xmalloc(sizeof(*compp) * depth);
|
| 968 |
|
| 969 |
|
| 970 | for (wn = node, i = depth - 1; wn; wn = wn->parent, i--)
|
| 971 | compp[i] = wn->name;
|
| 972 |
|
| 973 |
|
| 974 | for (wn = lfn, i = 1; i < depth; i++, wn = nwn) {
|
| 975 |
|
| 976 | nwn = get_subnode(wn, compp[i]);
|
| 977 | if (!nwn)
|
| 978 | nwn = build_and_name_child_node(wn, compp[i]);
|
| 979 | }
|
| 980 |
|
| 981 | free(compp);
|
| 982 |
|
| 983 | value_32 = cpu_to_fdt32(m->offset);
|
| 984 | append_to_property(wn, prop->name, &value_32, sizeof(value_32), TYPE_UINT32);
|
| 985 | }
|
| 986 |
|
| 987 | static void generate_local_fixups_tree_internal(struct dt_info *dti,
|
| 988 | struct node *lfn,
|
| 989 | struct node *node)
|
| 990 | {
|
| 991 | struct node *dt = dti->dt;
|
| 992 | struct node *c;
|
| 993 | struct property *prop;
|
| 994 | struct marker *m;
|
| 995 | struct node *refnode;
|
| 996 |
|
| 997 | for_each_property(node, prop) {
|
| 998 | m = prop->val.markers;
|
| 999 | for_each_marker_of_type(m, REF_PHANDLE) {
|
| 1000 | refnode = get_node_by_ref(dt, m->ref);
|
| 1001 | if (refnode)
|
| 1002 | add_local_fixup_entry(dti, lfn, node, prop, m, refnode);
|
| 1003 | }
|
| 1004 | }
|
| 1005 |
|
| 1006 | for_each_child(node, c)
|
| 1007 | generate_local_fixups_tree_internal(dti, lfn, c);
|
| 1008 | }
|
| 1009 |
|
| 1010 | void generate_label_tree(struct dt_info *dti, char *name, bool allocph)
|
| 1011 | {
|
| 1012 | if (!any_label_tree(dti, dti->dt))
|
| 1013 | return;
|
| 1014 | generate_label_tree_internal(dti, build_root_node(dti->dt, name),
|
| 1015 | dti->dt, allocph);
|
| 1016 | }
|
| 1017 |
|
| 1018 | void generate_fixups_tree(struct dt_info *dti, char *name)
|
| 1019 | {
|
| 1020 | if (!any_fixup_tree(dti, dti->dt))
|
| 1021 | return;
|
| 1022 | generate_fixups_tree_internal(dti, build_root_node(dti->dt, name),
|
| 1023 | dti->dt);
|
| 1024 | }
|
| 1025 |
|
| 1026 | void generate_local_fixups_tree(struct dt_info *dti, char *name)
|
| 1027 | {
|
| 1028 | if (!any_local_fixup_tree(dti, dti->dt))
|
| 1029 | return;
|
| 1030 | generate_local_fixups_tree_internal(dti, build_root_node(dti->dt, name),
|
| 1031 | dti->dt);
|
| 1032 | }
|