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1 | /* |
2 | * Copyright (c) 2013, Google Inc. | |
3 | * | |
4 | * (C) Copyright 2008 Semihalf | |
5 | * | |
6 | * (C) Copyright 2000-2006 | |
7 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
8 | * | |
9 | * See file CREDITS for list of people who contributed to this | |
10 | * project. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or | |
13 | * modify it under the terms of the GNU General Public License as | |
14 | * published by the Free Software Foundation; either version 2 of | |
15 | * the License, or (at your option) any later version. | |
16 | * | |
17 | * This program is distributed in the hope that it will be useful, | |
18 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
20 | * GNU General Public License for more details. | |
21 | * | |
22 | * You should have received a copy of the GNU General Public License | |
23 | * along with this program; if not, write to the Free Software | |
24 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
25 | * MA 02111-1307 USA | |
26 | */ | |
27 | ||
28 | #ifdef USE_HOSTCC | |
29 | #include "mkimage.h" | |
30 | #include <image.h> | |
31 | #include <time.h> | |
32 | #else | |
33 | #include <common.h> | |
34 | #endif /* !USE_HOSTCC*/ | |
35 | ||
36 | #include <bootstage.h> | |
37 | #include <sha1.h> | |
38 | #include <u-boot/crc.h> | |
39 | #include <u-boot/md5.h> | |
40 | ||
41 | /*****************************************************************************/ | |
42 | /* New uImage format routines */ | |
43 | /*****************************************************************************/ | |
44 | #ifndef USE_HOSTCC | |
45 | static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr, | |
46 | ulong *addr, const char **name) | |
47 | { | |
48 | const char *sep; | |
49 | ||
50 | *addr = addr_curr; | |
51 | *name = NULL; | |
52 | ||
53 | sep = strchr(spec, sepc); | |
54 | if (sep) { | |
55 | if (sep - spec > 0) | |
56 | *addr = simple_strtoul(spec, NULL, 16); | |
57 | ||
58 | *name = sep + 1; | |
59 | return 1; | |
60 | } | |
61 | ||
62 | return 0; | |
63 | } | |
64 | ||
65 | /** | |
66 | * fit_parse_conf - parse FIT configuration spec | |
67 | * @spec: input string, containing configuration spec | |
68 | * @add_curr: current image address (to be used as a possible default) | |
69 | * @addr: pointer to a ulong variable, will hold FIT image address of a given | |
70 | * configuration | |
71 | * @conf_name double pointer to a char, will hold pointer to a configuration | |
72 | * unit name | |
73 | * | |
74 | * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, | |
75 | * where <addr> is a FIT image address that contains configuration | |
76 | * with a <conf> unit name. | |
77 | * | |
78 | * Address part is optional, and if omitted default add_curr will | |
79 | * be used instead. | |
80 | * | |
81 | * returns: | |
82 | * 1 if spec is a valid configuration string, | |
83 | * addr and conf_name are set accordingly | |
84 | * 0 otherwise | |
85 | */ | |
86 | int fit_parse_conf(const char *spec, ulong addr_curr, | |
87 | ulong *addr, const char **conf_name) | |
88 | { | |
89 | return fit_parse_spec(spec, '#', addr_curr, addr, conf_name); | |
90 | } | |
91 | ||
92 | /** | |
93 | * fit_parse_subimage - parse FIT subimage spec | |
94 | * @spec: input string, containing subimage spec | |
95 | * @add_curr: current image address (to be used as a possible default) | |
96 | * @addr: pointer to a ulong variable, will hold FIT image address of a given | |
97 | * subimage | |
98 | * @image_name: double pointer to a char, will hold pointer to a subimage name | |
99 | * | |
100 | * fit_parse_subimage() expects subimage spec in the for of | |
101 | * [<addr>]:<subimage>, where <addr> is a FIT image address that contains | |
102 | * subimage with a <subimg> unit name. | |
103 | * | |
104 | * Address part is optional, and if omitted default add_curr will | |
105 | * be used instead. | |
106 | * | |
107 | * returns: | |
108 | * 1 if spec is a valid subimage string, | |
109 | * addr and image_name are set accordingly | |
110 | * 0 otherwise | |
111 | */ | |
112 | int fit_parse_subimage(const char *spec, ulong addr_curr, | |
113 | ulong *addr, const char **image_name) | |
114 | { | |
115 | return fit_parse_spec(spec, ':', addr_curr, addr, image_name); | |
116 | } | |
117 | #endif /* !USE_HOSTCC */ | |
118 | ||
119 | static void fit_get_debug(const void *fit, int noffset, | |
120 | char *prop_name, int err) | |
121 | { | |
122 | debug("Can't get '%s' property from FIT 0x%08lx, node: offset %d, name %s (%s)\n", | |
123 | prop_name, (ulong)fit, noffset, fit_get_name(fit, noffset, NULL), | |
124 | fdt_strerror(err)); | |
125 | } | |
126 | ||
127 | /** | |
128 | * fit_print_contents - prints out the contents of the FIT format image | |
129 | * @fit: pointer to the FIT format image header | |
130 | * @p: pointer to prefix string | |
131 | * | |
132 | * fit_print_contents() formats a multi line FIT image contents description. | |
133 | * The routine prints out FIT image properties (root node level) follwed by | |
134 | * the details of each component image. | |
135 | * | |
136 | * returns: | |
137 | * no returned results | |
138 | */ | |
139 | void fit_print_contents(const void *fit) | |
140 | { | |
141 | char *desc; | |
142 | char *uname; | |
143 | int images_noffset; | |
144 | int confs_noffset; | |
145 | int noffset; | |
146 | int ndepth; | |
147 | int count = 0; | |
148 | int ret; | |
149 | const char *p; | |
150 | time_t timestamp; | |
151 | ||
152 | #ifdef USE_HOSTCC | |
153 | p = ""; | |
154 | #else | |
155 | p = " "; | |
156 | #endif | |
157 | ||
158 | /* Root node properties */ | |
159 | ret = fit_get_desc(fit, 0, &desc); | |
160 | printf("%sFIT description: ", p); | |
161 | if (ret) | |
162 | printf("unavailable\n"); | |
163 | else | |
164 | printf("%s\n", desc); | |
165 | ||
166 | if (IMAGE_ENABLE_TIMESTAMP) { | |
167 | ret = fit_get_timestamp(fit, 0, ×tamp); | |
168 | printf("%sCreated: ", p); | |
169 | if (ret) | |
170 | printf("unavailable\n"); | |
171 | else | |
172 | genimg_print_time(timestamp); | |
173 | } | |
174 | ||
175 | /* Find images parent node offset */ | |
176 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); | |
177 | if (images_noffset < 0) { | |
178 | printf("Can't find images parent node '%s' (%s)\n", | |
179 | FIT_IMAGES_PATH, fdt_strerror(images_noffset)); | |
180 | return; | |
181 | } | |
182 | ||
183 | /* Process its subnodes, print out component images details */ | |
184 | for (ndepth = 0, count = 0, | |
185 | noffset = fdt_next_node(fit, images_noffset, &ndepth); | |
186 | (noffset >= 0) && (ndepth > 0); | |
187 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
188 | if (ndepth == 1) { | |
189 | /* | |
190 | * Direct child node of the images parent node, | |
191 | * i.e. component image node. | |
192 | */ | |
193 | printf("%s Image %u (%s)\n", p, count++, | |
194 | fit_get_name(fit, noffset, NULL)); | |
195 | ||
196 | fit_image_print(fit, noffset, p); | |
197 | } | |
198 | } | |
199 | ||
200 | /* Find configurations parent node offset */ | |
201 | confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); | |
202 | if (confs_noffset < 0) { | |
203 | debug("Can't get configurations parent node '%s' (%s)\n", | |
204 | FIT_CONFS_PATH, fdt_strerror(confs_noffset)); | |
205 | return; | |
206 | } | |
207 | ||
208 | /* get default configuration unit name from default property */ | |
209 | uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL); | |
210 | if (uname) | |
211 | printf("%s Default Configuration: '%s'\n", p, uname); | |
212 | ||
213 | /* Process its subnodes, print out configurations details */ | |
214 | for (ndepth = 0, count = 0, | |
215 | noffset = fdt_next_node(fit, confs_noffset, &ndepth); | |
216 | (noffset >= 0) && (ndepth > 0); | |
217 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
218 | if (ndepth == 1) { | |
219 | /* | |
220 | * Direct child node of the configurations parent node, | |
221 | * i.e. configuration node. | |
222 | */ | |
223 | printf("%s Configuration %u (%s)\n", p, count++, | |
224 | fit_get_name(fit, noffset, NULL)); | |
225 | ||
226 | fit_conf_print(fit, noffset, p); | |
227 | } | |
228 | } | |
229 | } | |
230 | ||
231 | /** | |
232 | * fit_image_print - prints out the FIT component image details | |
233 | * @fit: pointer to the FIT format image header | |
234 | * @image_noffset: offset of the component image node | |
235 | * @p: pointer to prefix string | |
236 | * | |
237 | * fit_image_print() lists all mandatory properies for the processed component | |
238 | * image. If present, hash nodes are printed out as well. Load | |
239 | * address for images of type firmware is also printed out. Since the load | |
240 | * address is not mandatory for firmware images, it will be output as | |
241 | * "unavailable" when not present. | |
242 | * | |
243 | * returns: | |
244 | * no returned results | |
245 | */ | |
246 | void fit_image_print(const void *fit, int image_noffset, const char *p) | |
247 | { | |
248 | char *desc; | |
249 | uint8_t type, arch, os, comp; | |
250 | size_t size; | |
251 | ulong load, entry; | |
252 | const void *data; | |
253 | int noffset; | |
254 | int ndepth; | |
255 | int ret; | |
256 | ||
257 | /* Mandatory properties */ | |
258 | ret = fit_get_desc(fit, image_noffset, &desc); | |
259 | printf("%s Description: ", p); | |
260 | if (ret) | |
261 | printf("unavailable\n"); | |
262 | else | |
263 | printf("%s\n", desc); | |
264 | ||
265 | fit_image_get_type(fit, image_noffset, &type); | |
266 | printf("%s Type: %s\n", p, genimg_get_type_name(type)); | |
267 | ||
268 | fit_image_get_comp(fit, image_noffset, &comp); | |
269 | printf("%s Compression: %s\n", p, genimg_get_comp_name(comp)); | |
270 | ||
271 | ret = fit_image_get_data(fit, image_noffset, &data, &size); | |
272 | ||
273 | #ifndef USE_HOSTCC | |
274 | printf("%s Data Start: ", p); | |
275 | if (ret) | |
276 | printf("unavailable\n"); | |
277 | else | |
278 | printf("0x%08lx\n", (ulong)data); | |
279 | #endif | |
280 | ||
281 | printf("%s Data Size: ", p); | |
282 | if (ret) | |
283 | printf("unavailable\n"); | |
284 | else | |
285 | genimg_print_size(size); | |
286 | ||
287 | /* Remaining, type dependent properties */ | |
288 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || | |
289 | (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || | |
290 | (type == IH_TYPE_FLATDT)) { | |
291 | fit_image_get_arch(fit, image_noffset, &arch); | |
292 | printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch)); | |
293 | } | |
294 | ||
295 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK)) { | |
296 | fit_image_get_os(fit, image_noffset, &os); | |
297 | printf("%s OS: %s\n", p, genimg_get_os_name(os)); | |
298 | } | |
299 | ||
300 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || | |
301 | (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK)) { | |
302 | ret = fit_image_get_load(fit, image_noffset, &load); | |
303 | printf("%s Load Address: ", p); | |
304 | if (ret) | |
305 | printf("unavailable\n"); | |
306 | else | |
307 | printf("0x%08lx\n", load); | |
308 | } | |
309 | ||
310 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || | |
311 | (type == IH_TYPE_RAMDISK)) { | |
312 | fit_image_get_entry(fit, image_noffset, &entry); | |
313 | printf("%s Entry Point: ", p); | |
314 | if (ret) | |
315 | printf("unavailable\n"); | |
316 | else | |
317 | printf("0x%08lx\n", entry); | |
318 | } | |
319 | ||
320 | /* Process all hash subnodes of the component image node */ | |
321 | for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth); | |
322 | (noffset >= 0) && (ndepth > 0); | |
323 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
324 | if (ndepth == 1) { | |
325 | /* Direct child node of the component image node */ | |
326 | fit_image_print_hash(fit, noffset, p); | |
327 | } | |
328 | } | |
329 | } | |
330 | ||
331 | /** | |
332 | * fit_image_print_hash - prints out the hash node details | |
333 | * @fit: pointer to the FIT format image header | |
334 | * @noffset: offset of the hash node | |
335 | * @p: pointer to prefix string | |
336 | * | |
337 | * fit_image_print_hash() lists properies for the processed hash node | |
338 | * | |
339 | * returns: | |
340 | * no returned results | |
341 | */ | |
342 | void fit_image_print_hash(const void *fit, int noffset, const char *p) | |
343 | { | |
344 | char *algo; | |
345 | uint8_t *value; | |
346 | int value_len; | |
347 | int i, ret; | |
348 | ||
349 | /* | |
350 | * Check subnode name, must be equal to "hash". | |
351 | * Multiple hash nodes require unique unit node | |
352 | * names, e.g. hash@1, hash@2, etc. | |
353 | */ | |
354 | if (strncmp(fit_get_name(fit, noffset, NULL), | |
355 | FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME)) != 0) | |
356 | return; | |
357 | ||
358 | debug("%s Hash node: '%s'\n", p, | |
359 | fit_get_name(fit, noffset, NULL)); | |
360 | ||
361 | printf("%s Hash algo: ", p); | |
362 | if (fit_image_hash_get_algo(fit, noffset, &algo)) { | |
363 | printf("invalid/unsupported\n"); | |
364 | return; | |
365 | } | |
366 | printf("%s\n", algo); | |
367 | ||
368 | ret = fit_image_hash_get_value(fit, noffset, &value, | |
369 | &value_len); | |
370 | printf("%s Hash value: ", p); | |
371 | if (ret) { | |
372 | printf("unavailable\n"); | |
373 | } else { | |
374 | for (i = 0; i < value_len; i++) | |
375 | printf("%02x", value[i]); | |
376 | printf("\n"); | |
377 | } | |
378 | ||
379 | debug("%s Hash len: %d\n", p, value_len); | |
380 | } | |
381 | ||
382 | /** | |
383 | * fit_get_desc - get node description property | |
384 | * @fit: pointer to the FIT format image header | |
385 | * @noffset: node offset | |
386 | * @desc: double pointer to the char, will hold pointer to the descrption | |
387 | * | |
388 | * fit_get_desc() reads description property from a given node, if | |
389 | * description is found pointer to it is returened in third call argument. | |
390 | * | |
391 | * returns: | |
392 | * 0, on success | |
393 | * -1, on failure | |
394 | */ | |
395 | int fit_get_desc(const void *fit, int noffset, char **desc) | |
396 | { | |
397 | int len; | |
398 | ||
399 | *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len); | |
400 | if (*desc == NULL) { | |
401 | fit_get_debug(fit, noffset, FIT_DESC_PROP, len); | |
402 | return -1; | |
403 | } | |
404 | ||
405 | return 0; | |
406 | } | |
407 | ||
408 | /** | |
409 | * fit_get_timestamp - get node timestamp property | |
410 | * @fit: pointer to the FIT format image header | |
411 | * @noffset: node offset | |
412 | * @timestamp: pointer to the time_t, will hold read timestamp | |
413 | * | |
414 | * fit_get_timestamp() reads timestamp poperty from given node, if timestamp | |
415 | * is found and has a correct size its value is retured in third call | |
416 | * argument. | |
417 | * | |
418 | * returns: | |
419 | * 0, on success | |
420 | * -1, on property read failure | |
421 | * -2, on wrong timestamp size | |
422 | */ | |
423 | int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp) | |
424 | { | |
425 | int len; | |
426 | const void *data; | |
427 | ||
428 | data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len); | |
429 | if (data == NULL) { | |
430 | fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len); | |
431 | return -1; | |
432 | } | |
433 | if (len != sizeof(uint32_t)) { | |
434 | debug("FIT timestamp with incorrect size of (%u)\n", len); | |
435 | return -2; | |
436 | } | |
437 | ||
438 | *timestamp = uimage_to_cpu(*((uint32_t *)data)); | |
439 | return 0; | |
440 | } | |
441 | ||
442 | /** | |
443 | * fit_image_get_node - get node offset for component image of a given unit name | |
444 | * @fit: pointer to the FIT format image header | |
445 | * @image_uname: component image node unit name | |
446 | * | |
447 | * fit_image_get_node() finds a component image (withing the '/images' | |
448 | * node) of a provided unit name. If image is found its node offset is | |
449 | * returned to the caller. | |
450 | * | |
451 | * returns: | |
452 | * image node offset when found (>=0) | |
453 | * negative number on failure (FDT_ERR_* code) | |
454 | */ | |
455 | int fit_image_get_node(const void *fit, const char *image_uname) | |
456 | { | |
457 | int noffset, images_noffset; | |
458 | ||
459 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); | |
460 | if (images_noffset < 0) { | |
461 | debug("Can't find images parent node '%s' (%s)\n", | |
462 | FIT_IMAGES_PATH, fdt_strerror(images_noffset)); | |
463 | return images_noffset; | |
464 | } | |
465 | ||
466 | noffset = fdt_subnode_offset(fit, images_noffset, image_uname); | |
467 | if (noffset < 0) { | |
468 | debug("Can't get node offset for image unit name: '%s' (%s)\n", | |
469 | image_uname, fdt_strerror(noffset)); | |
470 | } | |
471 | ||
472 | return noffset; | |
473 | } | |
474 | ||
475 | /** | |
476 | * fit_image_get_os - get os id for a given component image node | |
477 | * @fit: pointer to the FIT format image header | |
478 | * @noffset: component image node offset | |
479 | * @os: pointer to the uint8_t, will hold os numeric id | |
480 | * | |
481 | * fit_image_get_os() finds os property in a given component image node. | |
482 | * If the property is found, its (string) value is translated to the numeric | |
483 | * id which is returned to the caller. | |
484 | * | |
485 | * returns: | |
486 | * 0, on success | |
487 | * -1, on failure | |
488 | */ | |
489 | int fit_image_get_os(const void *fit, int noffset, uint8_t *os) | |
490 | { | |
491 | int len; | |
492 | const void *data; | |
493 | ||
494 | /* Get OS name from property data */ | |
495 | data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len); | |
496 | if (data == NULL) { | |
497 | fit_get_debug(fit, noffset, FIT_OS_PROP, len); | |
498 | *os = -1; | |
499 | return -1; | |
500 | } | |
501 | ||
502 | /* Translate OS name to id */ | |
503 | *os = genimg_get_os_id(data); | |
504 | return 0; | |
505 | } | |
506 | ||
507 | /** | |
508 | * fit_image_get_arch - get arch id for a given component image node | |
509 | * @fit: pointer to the FIT format image header | |
510 | * @noffset: component image node offset | |
511 | * @arch: pointer to the uint8_t, will hold arch numeric id | |
512 | * | |
513 | * fit_image_get_arch() finds arch property in a given component image node. | |
514 | * If the property is found, its (string) value is translated to the numeric | |
515 | * id which is returned to the caller. | |
516 | * | |
517 | * returns: | |
518 | * 0, on success | |
519 | * -1, on failure | |
520 | */ | |
521 | int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch) | |
522 | { | |
523 | int len; | |
524 | const void *data; | |
525 | ||
526 | /* Get architecture name from property data */ | |
527 | data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len); | |
528 | if (data == NULL) { | |
529 | fit_get_debug(fit, noffset, FIT_ARCH_PROP, len); | |
530 | *arch = -1; | |
531 | return -1; | |
532 | } | |
533 | ||
534 | /* Translate architecture name to id */ | |
535 | *arch = genimg_get_arch_id(data); | |
536 | return 0; | |
537 | } | |
538 | ||
539 | /** | |
540 | * fit_image_get_type - get type id for a given component image node | |
541 | * @fit: pointer to the FIT format image header | |
542 | * @noffset: component image node offset | |
543 | * @type: pointer to the uint8_t, will hold type numeric id | |
544 | * | |
545 | * fit_image_get_type() finds type property in a given component image node. | |
546 | * If the property is found, its (string) value is translated to the numeric | |
547 | * id which is returned to the caller. | |
548 | * | |
549 | * returns: | |
550 | * 0, on success | |
551 | * -1, on failure | |
552 | */ | |
553 | int fit_image_get_type(const void *fit, int noffset, uint8_t *type) | |
554 | { | |
555 | int len; | |
556 | const void *data; | |
557 | ||
558 | /* Get image type name from property data */ | |
559 | data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len); | |
560 | if (data == NULL) { | |
561 | fit_get_debug(fit, noffset, FIT_TYPE_PROP, len); | |
562 | *type = -1; | |
563 | return -1; | |
564 | } | |
565 | ||
566 | /* Translate image type name to id */ | |
567 | *type = genimg_get_type_id(data); | |
568 | return 0; | |
569 | } | |
570 | ||
571 | /** | |
572 | * fit_image_get_comp - get comp id for a given component image node | |
573 | * @fit: pointer to the FIT format image header | |
574 | * @noffset: component image node offset | |
575 | * @comp: pointer to the uint8_t, will hold comp numeric id | |
576 | * | |
577 | * fit_image_get_comp() finds comp property in a given component image node. | |
578 | * If the property is found, its (string) value is translated to the numeric | |
579 | * id which is returned to the caller. | |
580 | * | |
581 | * returns: | |
582 | * 0, on success | |
583 | * -1, on failure | |
584 | */ | |
585 | int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp) | |
586 | { | |
587 | int len; | |
588 | const void *data; | |
589 | ||
590 | /* Get compression name from property data */ | |
591 | data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len); | |
592 | if (data == NULL) { | |
593 | fit_get_debug(fit, noffset, FIT_COMP_PROP, len); | |
594 | *comp = -1; | |
595 | return -1; | |
596 | } | |
597 | ||
598 | /* Translate compression name to id */ | |
599 | *comp = genimg_get_comp_id(data); | |
600 | return 0; | |
601 | } | |
602 | ||
603 | /** | |
604 | * fit_image_get_load() - get load addr property for given component image node | |
605 | * @fit: pointer to the FIT format image header | |
606 | * @noffset: component image node offset | |
607 | * @load: pointer to the uint32_t, will hold load address | |
608 | * | |
609 | * fit_image_get_load() finds load address property in a given component | |
610 | * image node. If the property is found, its value is returned to the caller. | |
611 | * | |
612 | * returns: | |
613 | * 0, on success | |
614 | * -1, on failure | |
615 | */ | |
616 | int fit_image_get_load(const void *fit, int noffset, ulong *load) | |
617 | { | |
618 | int len; | |
619 | const uint32_t *data; | |
620 | ||
621 | data = fdt_getprop(fit, noffset, FIT_LOAD_PROP, &len); | |
622 | if (data == NULL) { | |
623 | fit_get_debug(fit, noffset, FIT_LOAD_PROP, len); | |
624 | return -1; | |
625 | } | |
626 | ||
627 | *load = uimage_to_cpu(*data); | |
628 | return 0; | |
629 | } | |
630 | ||
631 | /** | |
632 | * fit_image_get_entry() - get entry point address property | |
633 | * @fit: pointer to the FIT format image header | |
634 | * @noffset: component image node offset | |
635 | * @entry: pointer to the uint32_t, will hold entry point address | |
636 | * | |
637 | * This gets the entry point address property for a given component image | |
638 | * node. | |
639 | * | |
640 | * fit_image_get_entry() finds entry point address property in a given | |
641 | * component image node. If the property is found, its value is returned | |
642 | * to the caller. | |
643 | * | |
644 | * returns: | |
645 | * 0, on success | |
646 | * -1, on failure | |
647 | */ | |
648 | int fit_image_get_entry(const void *fit, int noffset, ulong *entry) | |
649 | { | |
650 | int len; | |
651 | const uint32_t *data; | |
652 | ||
653 | data = fdt_getprop(fit, noffset, FIT_ENTRY_PROP, &len); | |
654 | if (data == NULL) { | |
655 | fit_get_debug(fit, noffset, FIT_ENTRY_PROP, len); | |
656 | return -1; | |
657 | } | |
658 | ||
659 | *entry = uimage_to_cpu(*data); | |
660 | return 0; | |
661 | } | |
662 | ||
663 | /** | |
664 | * fit_image_get_data - get data property and its size for a given component image node | |
665 | * @fit: pointer to the FIT format image header | |
666 | * @noffset: component image node offset | |
667 | * @data: double pointer to void, will hold data property's data address | |
668 | * @size: pointer to size_t, will hold data property's data size | |
669 | * | |
670 | * fit_image_get_data() finds data property in a given component image node. | |
671 | * If the property is found its data start address and size are returned to | |
672 | * the caller. | |
673 | * | |
674 | * returns: | |
675 | * 0, on success | |
676 | * -1, on failure | |
677 | */ | |
678 | int fit_image_get_data(const void *fit, int noffset, | |
679 | const void **data, size_t *size) | |
680 | { | |
681 | int len; | |
682 | ||
683 | *data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len); | |
684 | if (*data == NULL) { | |
685 | fit_get_debug(fit, noffset, FIT_DATA_PROP, len); | |
686 | *size = 0; | |
687 | return -1; | |
688 | } | |
689 | ||
690 | *size = len; | |
691 | return 0; | |
692 | } | |
693 | ||
694 | /** | |
695 | * fit_image_hash_get_algo - get hash algorithm name | |
696 | * @fit: pointer to the FIT format image header | |
697 | * @noffset: hash node offset | |
698 | * @algo: double pointer to char, will hold pointer to the algorithm name | |
699 | * | |
700 | * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. | |
701 | * If the property is found its data start address is returned to the caller. | |
702 | * | |
703 | * returns: | |
704 | * 0, on success | |
705 | * -1, on failure | |
706 | */ | |
707 | int fit_image_hash_get_algo(const void *fit, int noffset, char **algo) | |
708 | { | |
709 | int len; | |
710 | ||
711 | *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len); | |
712 | if (*algo == NULL) { | |
713 | fit_get_debug(fit, noffset, FIT_ALGO_PROP, len); | |
714 | return -1; | |
715 | } | |
716 | ||
717 | return 0; | |
718 | } | |
719 | ||
720 | /** | |
721 | * fit_image_hash_get_value - get hash value and length | |
722 | * @fit: pointer to the FIT format image header | |
723 | * @noffset: hash node offset | |
724 | * @value: double pointer to uint8_t, will hold address of a hash value data | |
725 | * @value_len: pointer to an int, will hold hash data length | |
726 | * | |
727 | * fit_image_hash_get_value() finds hash value property in a given hash node. | |
728 | * If the property is found its data start address and size are returned to | |
729 | * the caller. | |
730 | * | |
731 | * returns: | |
732 | * 0, on success | |
733 | * -1, on failure | |
734 | */ | |
735 | int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value, | |
736 | int *value_len) | |
737 | { | |
738 | int len; | |
739 | ||
740 | *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len); | |
741 | if (*value == NULL) { | |
742 | fit_get_debug(fit, noffset, FIT_VALUE_PROP, len); | |
743 | *value_len = 0; | |
744 | return -1; | |
745 | } | |
746 | ||
747 | *value_len = len; | |
748 | return 0; | |
749 | } | |
750 | ||
751 | #ifndef USE_HOSTCC | |
752 | /** | |
753 | * fit_image_hash_get_ignore - get hash ignore flag | |
754 | * @fit: pointer to the FIT format image header | |
755 | * @noffset: hash node offset | |
756 | * @ignore: pointer to an int, will hold hash ignore flag | |
757 | * | |
758 | * fit_image_hash_get_ignore() finds hash ignore property in a given hash node. | |
759 | * If the property is found and non-zero, the hash algorithm is not verified by | |
760 | * u-boot automatically. | |
761 | * | |
762 | * returns: | |
763 | * 0, on ignore not found | |
764 | * value, on ignore found | |
765 | */ | |
766 | int fit_image_hash_get_ignore(const void *fit, int noffset, int *ignore) | |
767 | { | |
768 | int len; | |
769 | int *value; | |
770 | ||
771 | value = (int *)fdt_getprop(fit, noffset, FIT_IGNORE_PROP, &len); | |
772 | if (value == NULL || len != sizeof(int)) | |
773 | *ignore = 0; | |
774 | else | |
775 | *ignore = *value; | |
776 | ||
777 | return 0; | |
778 | } | |
779 | #endif | |
780 | ||
781 | /** | |
782 | * fit_set_timestamp - set node timestamp property | |
783 | * @fit: pointer to the FIT format image header | |
784 | * @noffset: node offset | |
785 | * @timestamp: timestamp value to be set | |
786 | * | |
787 | * fit_set_timestamp() attempts to set timestamp property in the requested | |
788 | * node and returns operation status to the caller. | |
789 | * | |
790 | * returns: | |
791 | * 0, on success | |
792 | * -1, on property read failure | |
793 | */ | |
794 | int fit_set_timestamp(void *fit, int noffset, time_t timestamp) | |
795 | { | |
796 | uint32_t t; | |
797 | int ret; | |
798 | ||
799 | t = cpu_to_uimage(timestamp); | |
800 | ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t, | |
801 | sizeof(uint32_t)); | |
802 | if (ret) { | |
803 | printf("Can't set '%s' property for '%s' node (%s)\n", | |
804 | FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL), | |
805 | fdt_strerror(ret)); | |
806 | return -1; | |
807 | } | |
808 | ||
809 | return 0; | |
810 | } | |
811 | ||
812 | /** | |
813 | * calculate_hash - calculate and return hash for provided input data | |
814 | * @data: pointer to the input data | |
815 | * @data_len: data length | |
816 | * @algo: requested hash algorithm | |
817 | * @value: pointer to the char, will hold hash value data (caller must | |
818 | * allocate enough free space) | |
819 | * value_len: length of the calculated hash | |
820 | * | |
821 | * calculate_hash() computes input data hash according to the requested | |
822 | * algorithm. | |
823 | * Resulting hash value is placed in caller provided 'value' buffer, length | |
824 | * of the calculated hash is returned via value_len pointer argument. | |
825 | * | |
826 | * returns: | |
827 | * 0, on success | |
828 | * -1, when algo is unsupported | |
829 | */ | |
604f23dd | 830 | int calculate_hash(const void *data, int data_len, const char *algo, |
53fbb7e8 SG |
831 | uint8_t *value, int *value_len) |
832 | { | |
833 | if (strcmp(algo, "crc32") == 0) { | |
834 | *((uint32_t *)value) = crc32_wd(0, data, data_len, | |
835 | CHUNKSZ_CRC32); | |
836 | *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value)); | |
837 | *value_len = 4; | |
838 | } else if (strcmp(algo, "sha1") == 0) { | |
839 | sha1_csum_wd((unsigned char *)data, data_len, | |
840 | (unsigned char *)value, CHUNKSZ_SHA1); | |
841 | *value_len = 20; | |
842 | } else if (strcmp(algo, "md5") == 0) { | |
843 | md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5); | |
844 | *value_len = 16; | |
845 | } else { | |
846 | debug("Unsupported hash alogrithm\n"); | |
847 | return -1; | |
848 | } | |
849 | return 0; | |
850 | } | |
851 | ||
53fbb7e8 | 852 | /** |
b8da8366 | 853 | * fit_image_verify - verify data intergity |
53fbb7e8 SG |
854 | * @fit: pointer to the FIT format image header |
855 | * @image_noffset: component image node offset | |
856 | * | |
b8da8366 | 857 | * fit_image_verify() goes over component image hash nodes, |
53fbb7e8 SG |
858 | * re-calculates each data hash and compares with the value stored in hash |
859 | * node. | |
860 | * | |
861 | * returns: | |
862 | * 1, if all hashes are valid | |
863 | * 0, otherwise (or on error) | |
864 | */ | |
b8da8366 | 865 | int fit_image_verify(const void *fit, int image_noffset) |
53fbb7e8 SG |
866 | { |
867 | const void *data; | |
868 | size_t size; | |
869 | char *algo; | |
870 | uint8_t *fit_value; | |
871 | int fit_value_len; | |
872 | #ifndef USE_HOSTCC | |
873 | int ignore; | |
874 | #endif | |
875 | uint8_t value[FIT_MAX_HASH_LEN]; | |
876 | int value_len; | |
877 | int noffset; | |
878 | int ndepth; | |
879 | char *err_msg = ""; | |
880 | ||
881 | /* Get image data and data length */ | |
882 | if (fit_image_get_data(fit, image_noffset, &data, &size)) { | |
883 | printf("Can't get image data/size\n"); | |
884 | return 0; | |
885 | } | |
886 | ||
887 | /* Process all hash subnodes of the component image node */ | |
888 | for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth); | |
889 | (noffset >= 0) && (ndepth > 0); | |
890 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
891 | if (ndepth == 1) { | |
892 | /* Direct child node of the component image node */ | |
893 | ||
894 | /* | |
895 | * Check subnode name, must be equal to "hash". | |
896 | * Multiple hash nodes require unique unit node | |
897 | * names, e.g. hash@1, hash@2, etc. | |
898 | */ | |
899 | if (strncmp(fit_get_name(fit, noffset, NULL), | |
900 | FIT_HASH_NODENAME, | |
901 | strlen(FIT_HASH_NODENAME)) != 0) | |
902 | continue; | |
903 | ||
904 | if (fit_image_hash_get_algo(fit, noffset, &algo)) { | |
905 | err_msg = " error!\nCan't get hash algo property"; | |
906 | goto error; | |
907 | } | |
908 | printf("%s", algo); | |
909 | ||
910 | #ifndef USE_HOSTCC | |
911 | fit_image_hash_get_ignore(fit, noffset, &ignore); | |
912 | if (ignore) { | |
913 | printf("-skipped "); | |
914 | continue; | |
915 | } | |
916 | #endif | |
917 | ||
918 | if (fit_image_hash_get_value(fit, noffset, &fit_value, | |
919 | &fit_value_len)) { | |
920 | err_msg = " error!\nCan't get hash value " | |
921 | "property"; | |
922 | goto error; | |
923 | } | |
924 | ||
925 | if (calculate_hash(data, size, algo, value, | |
926 | &value_len)) { | |
927 | err_msg = " error!\n" | |
928 | "Unsupported hash algorithm"; | |
929 | goto error; | |
930 | } | |
931 | ||
932 | if (value_len != fit_value_len) { | |
933 | err_msg = " error !\nBad hash value len"; | |
934 | goto error; | |
935 | } else if (memcmp(value, fit_value, value_len) != 0) { | |
936 | err_msg = " error!\nBad hash value"; | |
937 | goto error; | |
938 | } | |
939 | printf("+ "); | |
940 | } | |
941 | } | |
942 | ||
943 | if (noffset == -FDT_ERR_TRUNCATED || noffset == -FDT_ERR_BADSTRUCTURE) { | |
944 | err_msg = " error!\nCorrupted or truncated tree"; | |
945 | goto error; | |
946 | } | |
947 | ||
948 | return 1; | |
949 | ||
950 | error: | |
951 | printf("%s for '%s' hash node in '%s' image node\n", | |
952 | err_msg, fit_get_name(fit, noffset, NULL), | |
953 | fit_get_name(fit, image_noffset, NULL)); | |
954 | return 0; | |
955 | } | |
956 | ||
957 | /** | |
b8da8366 | 958 | * fit_all_image_verify - verify data intergity for all images |
53fbb7e8 SG |
959 | * @fit: pointer to the FIT format image header |
960 | * | |
b8da8366 | 961 | * fit_all_image_verify() goes over all images in the FIT and |
53fbb7e8 SG |
962 | * for every images checks if all it's hashes are valid. |
963 | * | |
964 | * returns: | |
965 | * 1, if all hashes of all images are valid | |
966 | * 0, otherwise (or on error) | |
967 | */ | |
b8da8366 | 968 | int fit_all_image_verify(const void *fit) |
53fbb7e8 SG |
969 | { |
970 | int images_noffset; | |
971 | int noffset; | |
972 | int ndepth; | |
973 | int count; | |
974 | ||
975 | /* Find images parent node offset */ | |
976 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); | |
977 | if (images_noffset < 0) { | |
978 | printf("Can't find images parent node '%s' (%s)\n", | |
979 | FIT_IMAGES_PATH, fdt_strerror(images_noffset)); | |
980 | return 0; | |
981 | } | |
982 | ||
983 | /* Process all image subnodes, check hashes for each */ | |
984 | printf("## Checking hash(es) for FIT Image at %08lx ...\n", | |
985 | (ulong)fit); | |
986 | for (ndepth = 0, count = 0, | |
987 | noffset = fdt_next_node(fit, images_noffset, &ndepth); | |
988 | (noffset >= 0) && (ndepth > 0); | |
989 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
990 | if (ndepth == 1) { | |
991 | /* | |
992 | * Direct child node of the images parent node, | |
993 | * i.e. component image node. | |
994 | */ | |
995 | printf(" Hash(es) for Image %u (%s): ", count++, | |
996 | fit_get_name(fit, noffset, NULL)); | |
997 | ||
b8da8366 | 998 | if (!fit_image_verify(fit, noffset)) |
53fbb7e8 SG |
999 | return 0; |
1000 | printf("\n"); | |
1001 | } | |
1002 | } | |
1003 | return 1; | |
1004 | } | |
1005 | ||
1006 | /** | |
1007 | * fit_image_check_os - check whether image node is of a given os type | |
1008 | * @fit: pointer to the FIT format image header | |
1009 | * @noffset: component image node offset | |
1010 | * @os: requested image os | |
1011 | * | |
1012 | * fit_image_check_os() reads image os property and compares its numeric | |
1013 | * id with the requested os. Comparison result is returned to the caller. | |
1014 | * | |
1015 | * returns: | |
1016 | * 1 if image is of given os type | |
1017 | * 0 otherwise (or on error) | |
1018 | */ | |
1019 | int fit_image_check_os(const void *fit, int noffset, uint8_t os) | |
1020 | { | |
1021 | uint8_t image_os; | |
1022 | ||
1023 | if (fit_image_get_os(fit, noffset, &image_os)) | |
1024 | return 0; | |
1025 | return (os == image_os); | |
1026 | } | |
1027 | ||
1028 | /** | |
1029 | * fit_image_check_arch - check whether image node is of a given arch | |
1030 | * @fit: pointer to the FIT format image header | |
1031 | * @noffset: component image node offset | |
1032 | * @arch: requested imagearch | |
1033 | * | |
1034 | * fit_image_check_arch() reads image arch property and compares its numeric | |
1035 | * id with the requested arch. Comparison result is returned to the caller. | |
1036 | * | |
1037 | * returns: | |
1038 | * 1 if image is of given arch | |
1039 | * 0 otherwise (or on error) | |
1040 | */ | |
1041 | int fit_image_check_arch(const void *fit, int noffset, uint8_t arch) | |
1042 | { | |
1043 | uint8_t image_arch; | |
1044 | ||
1045 | if (fit_image_get_arch(fit, noffset, &image_arch)) | |
1046 | return 0; | |
1047 | return (arch == image_arch); | |
1048 | } | |
1049 | ||
1050 | /** | |
1051 | * fit_image_check_type - check whether image node is of a given type | |
1052 | * @fit: pointer to the FIT format image header | |
1053 | * @noffset: component image node offset | |
1054 | * @type: requested image type | |
1055 | * | |
1056 | * fit_image_check_type() reads image type property and compares its numeric | |
1057 | * id with the requested type. Comparison result is returned to the caller. | |
1058 | * | |
1059 | * returns: | |
1060 | * 1 if image is of given type | |
1061 | * 0 otherwise (or on error) | |
1062 | */ | |
1063 | int fit_image_check_type(const void *fit, int noffset, uint8_t type) | |
1064 | { | |
1065 | uint8_t image_type; | |
1066 | ||
1067 | if (fit_image_get_type(fit, noffset, &image_type)) | |
1068 | return 0; | |
1069 | return (type == image_type); | |
1070 | } | |
1071 | ||
1072 | /** | |
1073 | * fit_image_check_comp - check whether image node uses given compression | |
1074 | * @fit: pointer to the FIT format image header | |
1075 | * @noffset: component image node offset | |
1076 | * @comp: requested image compression type | |
1077 | * | |
1078 | * fit_image_check_comp() reads image compression property and compares its | |
1079 | * numeric id with the requested compression type. Comparison result is | |
1080 | * returned to the caller. | |
1081 | * | |
1082 | * returns: | |
1083 | * 1 if image uses requested compression | |
1084 | * 0 otherwise (or on error) | |
1085 | */ | |
1086 | int fit_image_check_comp(const void *fit, int noffset, uint8_t comp) | |
1087 | { | |
1088 | uint8_t image_comp; | |
1089 | ||
1090 | if (fit_image_get_comp(fit, noffset, &image_comp)) | |
1091 | return 0; | |
1092 | return (comp == image_comp); | |
1093 | } | |
1094 | ||
1095 | /** | |
1096 | * fit_check_format - sanity check FIT image format | |
1097 | * @fit: pointer to the FIT format image header | |
1098 | * | |
1099 | * fit_check_format() runs a basic sanity FIT image verification. | |
1100 | * Routine checks for mandatory properties, nodes, etc. | |
1101 | * | |
1102 | * returns: | |
1103 | * 1, on success | |
1104 | * 0, on failure | |
1105 | */ | |
1106 | int fit_check_format(const void *fit) | |
1107 | { | |
1108 | /* mandatory / node 'description' property */ | |
1109 | if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) { | |
1110 | debug("Wrong FIT format: no description\n"); | |
1111 | return 0; | |
1112 | } | |
1113 | ||
1114 | if (IMAGE_ENABLE_TIMESTAMP) { | |
1115 | /* mandatory / node 'timestamp' property */ | |
1116 | if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { | |
1117 | debug("Wrong FIT format: no timestamp\n"); | |
1118 | return 0; | |
1119 | } | |
1120 | } | |
1121 | ||
1122 | /* mandatory subimages parent '/images' node */ | |
1123 | if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) { | |
1124 | debug("Wrong FIT format: no images parent node\n"); | |
1125 | return 0; | |
1126 | } | |
1127 | ||
1128 | return 1; | |
1129 | } | |
1130 | ||
1131 | ||
1132 | /** | |
1133 | * fit_conf_find_compat | |
1134 | * @fit: pointer to the FIT format image header | |
1135 | * @fdt: pointer to the device tree to compare against | |
1136 | * | |
1137 | * fit_conf_find_compat() attempts to find the configuration whose fdt is the | |
1138 | * most compatible with the passed in device tree. | |
1139 | * | |
1140 | * Example: | |
1141 | * | |
1142 | * / o image-tree | |
1143 | * |-o images | |
1144 | * | |-o fdt@1 | |
1145 | * | |-o fdt@2 | |
1146 | * | | |
1147 | * |-o configurations | |
1148 | * |-o config@1 | |
1149 | * | |-fdt = fdt@1 | |
1150 | * | | |
1151 | * |-o config@2 | |
1152 | * |-fdt = fdt@2 | |
1153 | * | |
1154 | * / o U-Boot fdt | |
1155 | * |-compatible = "foo,bar", "bim,bam" | |
1156 | * | |
1157 | * / o kernel fdt1 | |
1158 | * |-compatible = "foo,bar", | |
1159 | * | |
1160 | * / o kernel fdt2 | |
1161 | * |-compatible = "bim,bam", "baz,biz" | |
1162 | * | |
1163 | * Configuration 1 would be picked because the first string in U-Boot's | |
1164 | * compatible list, "foo,bar", matches a compatible string in the root of fdt1. | |
1165 | * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1. | |
1166 | * | |
1167 | * returns: | |
1168 | * offset to the configuration to use if one was found | |
1169 | * -1 otherwise | |
1170 | */ | |
1171 | int fit_conf_find_compat(const void *fit, const void *fdt) | |
1172 | { | |
1173 | int ndepth = 0; | |
1174 | int noffset, confs_noffset, images_noffset; | |
1175 | const void *fdt_compat; | |
1176 | int fdt_compat_len; | |
1177 | int best_match_offset = 0; | |
1178 | int best_match_pos = 0; | |
1179 | ||
1180 | confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); | |
1181 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); | |
1182 | if (confs_noffset < 0 || images_noffset < 0) { | |
1183 | debug("Can't find configurations or images nodes.\n"); | |
1184 | return -1; | |
1185 | } | |
1186 | ||
1187 | fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len); | |
1188 | if (!fdt_compat) { | |
1189 | debug("Fdt for comparison has no \"compatible\" property.\n"); | |
1190 | return -1; | |
1191 | } | |
1192 | ||
1193 | /* | |
1194 | * Loop over the configurations in the FIT image. | |
1195 | */ | |
1196 | for (noffset = fdt_next_node(fit, confs_noffset, &ndepth); | |
1197 | (noffset >= 0) && (ndepth > 0); | |
1198 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
1199 | const void *kfdt; | |
1200 | const char *kfdt_name; | |
1201 | int kfdt_noffset; | |
1202 | const char *cur_fdt_compat; | |
1203 | int len; | |
1204 | size_t size; | |
1205 | int i; | |
1206 | ||
1207 | if (ndepth > 1) | |
1208 | continue; | |
1209 | ||
1210 | kfdt_name = fdt_getprop(fit, noffset, "fdt", &len); | |
1211 | if (!kfdt_name) { | |
1212 | debug("No fdt property found.\n"); | |
1213 | continue; | |
1214 | } | |
1215 | kfdt_noffset = fdt_subnode_offset(fit, images_noffset, | |
1216 | kfdt_name); | |
1217 | if (kfdt_noffset < 0) { | |
1218 | debug("No image node named \"%s\" found.\n", | |
1219 | kfdt_name); | |
1220 | continue; | |
1221 | } | |
1222 | /* | |
1223 | * Get a pointer to this configuration's fdt. | |
1224 | */ | |
1225 | if (fit_image_get_data(fit, kfdt_noffset, &kfdt, &size)) { | |
1226 | debug("Failed to get fdt \"%s\".\n", kfdt_name); | |
1227 | continue; | |
1228 | } | |
1229 | ||
1230 | len = fdt_compat_len; | |
1231 | cur_fdt_compat = fdt_compat; | |
1232 | /* | |
1233 | * Look for a match for each U-Boot compatibility string in | |
1234 | * turn in this configuration's fdt. | |
1235 | */ | |
1236 | for (i = 0; len > 0 && | |
1237 | (!best_match_offset || best_match_pos > i); i++) { | |
1238 | int cur_len = strlen(cur_fdt_compat) + 1; | |
1239 | ||
1240 | if (!fdt_node_check_compatible(kfdt, 0, | |
1241 | cur_fdt_compat)) { | |
1242 | best_match_offset = noffset; | |
1243 | best_match_pos = i; | |
1244 | break; | |
1245 | } | |
1246 | len -= cur_len; | |
1247 | cur_fdt_compat += cur_len; | |
1248 | } | |
1249 | } | |
1250 | if (!best_match_offset) { | |
1251 | debug("No match found.\n"); | |
1252 | return -1; | |
1253 | } | |
1254 | ||
1255 | return best_match_offset; | |
1256 | } | |
1257 | ||
1258 | /** | |
1259 | * fit_conf_get_node - get node offset for configuration of a given unit name | |
1260 | * @fit: pointer to the FIT format image header | |
1261 | * @conf_uname: configuration node unit name | |
1262 | * | |
1263 | * fit_conf_get_node() finds a configuration (withing the '/configurations' | |
1264 | * parant node) of a provided unit name. If configuration is found its node | |
1265 | * offset is returned to the caller. | |
1266 | * | |
1267 | * When NULL is provided in second argument fit_conf_get_node() will search | |
1268 | * for a default configuration node instead. Default configuration node unit | |
1269 | * name is retrived from FIT_DEFAULT_PROP property of the '/configurations' | |
1270 | * node. | |
1271 | * | |
1272 | * returns: | |
1273 | * configuration node offset when found (>=0) | |
1274 | * negative number on failure (FDT_ERR_* code) | |
1275 | */ | |
1276 | int fit_conf_get_node(const void *fit, const char *conf_uname) | |
1277 | { | |
1278 | int noffset, confs_noffset; | |
1279 | int len; | |
1280 | ||
1281 | confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); | |
1282 | if (confs_noffset < 0) { | |
1283 | debug("Can't find configurations parent node '%s' (%s)\n", | |
1284 | FIT_CONFS_PATH, fdt_strerror(confs_noffset)); | |
1285 | return confs_noffset; | |
1286 | } | |
1287 | ||
1288 | if (conf_uname == NULL) { | |
1289 | /* get configuration unit name from the default property */ | |
1290 | debug("No configuration specified, trying default...\n"); | |
1291 | conf_uname = (char *)fdt_getprop(fit, confs_noffset, | |
1292 | FIT_DEFAULT_PROP, &len); | |
1293 | if (conf_uname == NULL) { | |
1294 | fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP, | |
1295 | len); | |
1296 | return len; | |
1297 | } | |
1298 | debug("Found default configuration: '%s'\n", conf_uname); | |
1299 | } | |
1300 | ||
1301 | noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname); | |
1302 | if (noffset < 0) { | |
1303 | debug("Can't get node offset for configuration unit name: '%s' (%s)\n", | |
1304 | conf_uname, fdt_strerror(noffset)); | |
1305 | } | |
1306 | ||
1307 | return noffset; | |
1308 | } | |
1309 | ||
1310 | static int __fit_conf_get_prop_node(const void *fit, int noffset, | |
1311 | const char *prop_name) | |
1312 | { | |
1313 | char *uname; | |
1314 | int len; | |
1315 | ||
1316 | /* get kernel image unit name from configuration kernel property */ | |
1317 | uname = (char *)fdt_getprop(fit, noffset, prop_name, &len); | |
1318 | if (uname == NULL) | |
1319 | return len; | |
1320 | ||
1321 | return fit_image_get_node(fit, uname); | |
1322 | } | |
1323 | ||
1324 | /** | |
1325 | * fit_conf_get_kernel_node - get kernel image node offset that corresponds to | |
1326 | * a given configuration | |
1327 | * @fit: pointer to the FIT format image header | |
1328 | * @noffset: configuration node offset | |
1329 | * | |
1330 | * fit_conf_get_kernel_node() retrives kernel image node unit name from | |
1331 | * configuration FIT_KERNEL_PROP property and translates it to the node | |
1332 | * offset. | |
1333 | * | |
1334 | * returns: | |
1335 | * image node offset when found (>=0) | |
1336 | * negative number on failure (FDT_ERR_* code) | |
1337 | */ | |
1338 | int fit_conf_get_kernel_node(const void *fit, int noffset) | |
1339 | { | |
1340 | return __fit_conf_get_prop_node(fit, noffset, FIT_KERNEL_PROP); | |
1341 | } | |
1342 | ||
1343 | /** | |
1344 | * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to | |
1345 | * a given configuration | |
1346 | * @fit: pointer to the FIT format image header | |
1347 | * @noffset: configuration node offset | |
1348 | * | |
1349 | * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from | |
1350 | * configuration FIT_KERNEL_PROP property and translates it to the node | |
1351 | * offset. | |
1352 | * | |
1353 | * returns: | |
1354 | * image node offset when found (>=0) | |
1355 | * negative number on failure (FDT_ERR_* code) | |
1356 | */ | |
1357 | int fit_conf_get_ramdisk_node(const void *fit, int noffset) | |
1358 | { | |
1359 | return __fit_conf_get_prop_node(fit, noffset, FIT_RAMDISK_PROP); | |
1360 | } | |
1361 | ||
1362 | /** | |
1363 | * fit_conf_get_fdt_node - get fdt image node offset that corresponds to | |
1364 | * a given configuration | |
1365 | * @fit: pointer to the FIT format image header | |
1366 | * @noffset: configuration node offset | |
1367 | * | |
1368 | * fit_conf_get_fdt_node() retrives fdt image node unit name from | |
1369 | * configuration FIT_KERNEL_PROP property and translates it to the node | |
1370 | * offset. | |
1371 | * | |
1372 | * returns: | |
1373 | * image node offset when found (>=0) | |
1374 | * negative number on failure (FDT_ERR_* code) | |
1375 | */ | |
1376 | int fit_conf_get_fdt_node(const void *fit, int noffset) | |
1377 | { | |
1378 | return __fit_conf_get_prop_node(fit, noffset, FIT_FDT_PROP); | |
1379 | } | |
1380 | ||
1381 | /** | |
1382 | * fit_conf_print - prints out the FIT configuration details | |
1383 | * @fit: pointer to the FIT format image header | |
1384 | * @noffset: offset of the configuration node | |
1385 | * @p: pointer to prefix string | |
1386 | * | |
1387 | * fit_conf_print() lists all mandatory properies for the processed | |
1388 | * configuration node. | |
1389 | * | |
1390 | * returns: | |
1391 | * no returned results | |
1392 | */ | |
1393 | void fit_conf_print(const void *fit, int noffset, const char *p) | |
1394 | { | |
1395 | char *desc; | |
1396 | char *uname; | |
1397 | int ret; | |
1398 | ||
1399 | /* Mandatory properties */ | |
1400 | ret = fit_get_desc(fit, noffset, &desc); | |
1401 | printf("%s Description: ", p); | |
1402 | if (ret) | |
1403 | printf("unavailable\n"); | |
1404 | else | |
1405 | printf("%s\n", desc); | |
1406 | ||
1407 | uname = (char *)fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL); | |
1408 | printf("%s Kernel: ", p); | |
1409 | if (uname == NULL) | |
1410 | printf("unavailable\n"); | |
1411 | else | |
1412 | printf("%s\n", uname); | |
1413 | ||
1414 | /* Optional properties */ | |
1415 | uname = (char *)fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL); | |
1416 | if (uname) | |
1417 | printf("%s Init Ramdisk: %s\n", p, uname); | |
1418 | ||
1419 | uname = (char *)fdt_getprop(fit, noffset, FIT_FDT_PROP, NULL); | |
1420 | if (uname) | |
1421 | printf("%s FDT: %s\n", p, uname); | |
1422 | } | |
1423 | ||
1424 | /** | |
1425 | * fit_check_ramdisk - verify FIT format ramdisk subimage | |
1426 | * @fit_hdr: pointer to the FIT ramdisk header | |
1427 | * @rd_noffset: ramdisk subimage node offset within FIT image | |
1428 | * @arch: requested ramdisk image architecture type | |
1429 | * @verify: data CRC verification flag | |
1430 | * | |
1431 | * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from | |
1432 | * specified FIT image. | |
1433 | * | |
1434 | * returns: | |
1435 | * 1, on success | |
1436 | * 0, on failure | |
1437 | */ | |
1438 | #ifndef USE_HOSTCC | |
1439 | int fit_check_ramdisk(const void *fit, int rd_noffset, uint8_t arch, | |
1440 | int verify) | |
1441 | { | |
1442 | fit_image_print(fit, rd_noffset, " "); | |
1443 | ||
1444 | if (verify) { | |
1445 | puts(" Verifying Hash Integrity ... "); | |
b8da8366 | 1446 | if (!fit_image_verify(fit, rd_noffset)) { |
53fbb7e8 SG |
1447 | puts("Bad Data Hash\n"); |
1448 | bootstage_error(BOOTSTAGE_ID_FIT_RD_HASH); | |
1449 | return 0; | |
1450 | } | |
1451 | puts("OK\n"); | |
1452 | } | |
1453 | ||
1454 | bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL); | |
1455 | if (!fit_image_check_os(fit, rd_noffset, IH_OS_LINUX) || | |
1456 | !fit_image_check_arch(fit, rd_noffset, arch) || | |
1457 | !fit_image_check_type(fit, rd_noffset, IH_TYPE_RAMDISK)) { | |
1458 | printf("No Linux %s Ramdisk Image\n", | |
1459 | genimg_get_arch_name(arch)); | |
1460 | bootstage_error(BOOTSTAGE_ID_FIT_RD_CHECK_ALL); | |
1461 | return 0; | |
1462 | } | |
1463 | ||
1464 | bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL_OK); | |
1465 | return 1; | |
1466 | } | |
1467 | #endif /* USE_HOSTCC */ |