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53fbb7e8 SG |
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 | * | |
1a459660 | 9 | * SPDX-License-Identifier: GPL-2.0+ |
53fbb7e8 SG |
10 | */ |
11 | ||
12 | #ifdef USE_HOSTCC | |
13 | #include "mkimage.h" | |
14 | #include <image.h> | |
15 | #include <time.h> | |
16 | #else | |
17 | #include <common.h> | |
782cfbb2 | 18 | #include <errno.h> |
0eb25b61 | 19 | #include <mapmem.h> |
782cfbb2 SG |
20 | #include <asm/io.h> |
21 | DECLARE_GLOBAL_DATA_PTR; | |
53fbb7e8 SG |
22 | #endif /* !USE_HOSTCC*/ |
23 | ||
24 | #include <bootstage.h> | |
53fbb7e8 SG |
25 | #include <u-boot/crc.h> |
26 | #include <u-boot/md5.h> | |
2b9912e6 JH |
27 | #include <u-boot/sha1.h> |
28 | #include <u-boot/sha256.h> | |
53fbb7e8 SG |
29 | |
30 | /*****************************************************************************/ | |
31 | /* New uImage format routines */ | |
32 | /*****************************************************************************/ | |
33 | #ifndef USE_HOSTCC | |
34 | static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr, | |
35 | ulong *addr, const char **name) | |
36 | { | |
37 | const char *sep; | |
38 | ||
39 | *addr = addr_curr; | |
40 | *name = NULL; | |
41 | ||
42 | sep = strchr(spec, sepc); | |
43 | if (sep) { | |
44 | if (sep - spec > 0) | |
45 | *addr = simple_strtoul(spec, NULL, 16); | |
46 | ||
47 | *name = sep + 1; | |
48 | return 1; | |
49 | } | |
50 | ||
51 | return 0; | |
52 | } | |
53 | ||
54 | /** | |
55 | * fit_parse_conf - parse FIT configuration spec | |
56 | * @spec: input string, containing configuration spec | |
57 | * @add_curr: current image address (to be used as a possible default) | |
58 | * @addr: pointer to a ulong variable, will hold FIT image address of a given | |
59 | * configuration | |
60 | * @conf_name double pointer to a char, will hold pointer to a configuration | |
61 | * unit name | |
62 | * | |
069d5945 | 63 | * fit_parse_conf() expects configuration spec in the form of [<addr>]#<conf>, |
53fbb7e8 SG |
64 | * where <addr> is a FIT image address that contains configuration |
65 | * with a <conf> unit name. | |
66 | * | |
67 | * Address part is optional, and if omitted default add_curr will | |
68 | * be used instead. | |
69 | * | |
70 | * returns: | |
71 | * 1 if spec is a valid configuration string, | |
72 | * addr and conf_name are set accordingly | |
73 | * 0 otherwise | |
74 | */ | |
75 | int fit_parse_conf(const char *spec, ulong addr_curr, | |
76 | ulong *addr, const char **conf_name) | |
77 | { | |
78 | return fit_parse_spec(spec, '#', addr_curr, addr, conf_name); | |
79 | } | |
80 | ||
81 | /** | |
82 | * fit_parse_subimage - parse FIT subimage spec | |
83 | * @spec: input string, containing subimage spec | |
84 | * @add_curr: current image address (to be used as a possible default) | |
85 | * @addr: pointer to a ulong variable, will hold FIT image address of a given | |
86 | * subimage | |
87 | * @image_name: double pointer to a char, will hold pointer to a subimage name | |
88 | * | |
069d5945 | 89 | * fit_parse_subimage() expects subimage spec in the form of |
53fbb7e8 SG |
90 | * [<addr>]:<subimage>, where <addr> is a FIT image address that contains |
91 | * subimage with a <subimg> unit name. | |
92 | * | |
93 | * Address part is optional, and if omitted default add_curr will | |
94 | * be used instead. | |
95 | * | |
96 | * returns: | |
97 | * 1 if spec is a valid subimage string, | |
98 | * addr and image_name are set accordingly | |
99 | * 0 otherwise | |
100 | */ | |
101 | int fit_parse_subimage(const char *spec, ulong addr_curr, | |
102 | ulong *addr, const char **image_name) | |
103 | { | |
104 | return fit_parse_spec(spec, ':', addr_curr, addr, image_name); | |
105 | } | |
106 | #endif /* !USE_HOSTCC */ | |
107 | ||
108 | static void fit_get_debug(const void *fit, int noffset, | |
109 | char *prop_name, int err) | |
110 | { | |
111 | debug("Can't get '%s' property from FIT 0x%08lx, node: offset %d, name %s (%s)\n", | |
112 | prop_name, (ulong)fit, noffset, fit_get_name(fit, noffset, NULL), | |
113 | fdt_strerror(err)); | |
114 | } | |
115 | ||
39931f96 GMF |
116 | /** |
117 | * fit_get_subimage_count - get component (sub-image) count | |
118 | * @fit: pointer to the FIT format image header | |
119 | * @images_noffset: offset of images node | |
120 | * | |
121 | * returns: | |
122 | * number of image components | |
123 | */ | |
124 | int fit_get_subimage_count(const void *fit, int images_noffset) | |
125 | { | |
126 | int noffset; | |
127 | int ndepth; | |
128 | int count = 0; | |
129 | ||
130 | /* Process its subnodes, print out component images details */ | |
131 | for (ndepth = 0, count = 0, | |
132 | noffset = fdt_next_node(fit, images_noffset, &ndepth); | |
133 | (noffset >= 0) && (ndepth > 0); | |
134 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
135 | if (ndepth == 1) { | |
136 | count++; | |
137 | } | |
138 | } | |
139 | ||
140 | return count; | |
141 | } | |
142 | ||
87ebee39 | 143 | #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT) |
53fbb7e8 SG |
144 | /** |
145 | * fit_print_contents - prints out the contents of the FIT format image | |
146 | * @fit: pointer to the FIT format image header | |
147 | * @p: pointer to prefix string | |
148 | * | |
149 | * fit_print_contents() formats a multi line FIT image contents description. | |
150 | * The routine prints out FIT image properties (root node level) follwed by | |
151 | * the details of each component image. | |
152 | * | |
153 | * returns: | |
154 | * no returned results | |
155 | */ | |
156 | void fit_print_contents(const void *fit) | |
157 | { | |
158 | char *desc; | |
159 | char *uname; | |
160 | int images_noffset; | |
161 | int confs_noffset; | |
162 | int noffset; | |
163 | int ndepth; | |
164 | int count = 0; | |
165 | int ret; | |
166 | const char *p; | |
167 | time_t timestamp; | |
168 | ||
1fe7d938 SG |
169 | /* Indent string is defined in header image.h */ |
170 | p = IMAGE_INDENT_STRING; | |
53fbb7e8 SG |
171 | |
172 | /* Root node properties */ | |
173 | ret = fit_get_desc(fit, 0, &desc); | |
174 | printf("%sFIT description: ", p); | |
175 | if (ret) | |
176 | printf("unavailable\n"); | |
177 | else | |
178 | printf("%s\n", desc); | |
179 | ||
180 | if (IMAGE_ENABLE_TIMESTAMP) { | |
181 | ret = fit_get_timestamp(fit, 0, ×tamp); | |
182 | printf("%sCreated: ", p); | |
183 | if (ret) | |
184 | printf("unavailable\n"); | |
185 | else | |
186 | genimg_print_time(timestamp); | |
187 | } | |
188 | ||
189 | /* Find images parent node offset */ | |
190 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); | |
191 | if (images_noffset < 0) { | |
192 | printf("Can't find images parent node '%s' (%s)\n", | |
193 | FIT_IMAGES_PATH, fdt_strerror(images_noffset)); | |
194 | return; | |
195 | } | |
196 | ||
197 | /* Process its subnodes, print out component images details */ | |
198 | for (ndepth = 0, count = 0, | |
199 | noffset = fdt_next_node(fit, images_noffset, &ndepth); | |
200 | (noffset >= 0) && (ndepth > 0); | |
201 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
202 | if (ndepth == 1) { | |
203 | /* | |
204 | * Direct child node of the images parent node, | |
205 | * i.e. component image node. | |
206 | */ | |
207 | printf("%s Image %u (%s)\n", p, count++, | |
208 | fit_get_name(fit, noffset, NULL)); | |
209 | ||
210 | fit_image_print(fit, noffset, p); | |
211 | } | |
212 | } | |
213 | ||
214 | /* Find configurations parent node offset */ | |
215 | confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); | |
216 | if (confs_noffset < 0) { | |
217 | debug("Can't get configurations parent node '%s' (%s)\n", | |
218 | FIT_CONFS_PATH, fdt_strerror(confs_noffset)); | |
219 | return; | |
220 | } | |
221 | ||
222 | /* get default configuration unit name from default property */ | |
223 | uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL); | |
224 | if (uname) | |
225 | printf("%s Default Configuration: '%s'\n", p, uname); | |
226 | ||
227 | /* Process its subnodes, print out configurations details */ | |
228 | for (ndepth = 0, count = 0, | |
229 | noffset = fdt_next_node(fit, confs_noffset, &ndepth); | |
230 | (noffset >= 0) && (ndepth > 0); | |
231 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
232 | if (ndepth == 1) { | |
233 | /* | |
234 | * Direct child node of the configurations parent node, | |
235 | * i.e. configuration node. | |
236 | */ | |
237 | printf("%s Configuration %u (%s)\n", p, count++, | |
238 | fit_get_name(fit, noffset, NULL)); | |
239 | ||
240 | fit_conf_print(fit, noffset, p); | |
241 | } | |
242 | } | |
243 | } | |
244 | ||
d8b75360 SG |
245 | /** |
246 | * fit_image_print_data() - prints out the hash node details | |
247 | * @fit: pointer to the FIT format image header | |
248 | * @noffset: offset of the hash node | |
249 | * @p: pointer to prefix string | |
56518e71 | 250 | * @type: Type of information to print ("hash" or "sign") |
d8b75360 SG |
251 | * |
252 | * fit_image_print_data() lists properies for the processed hash node | |
253 | * | |
56518e71 SG |
254 | * This function avoid using puts() since it prints a newline on the host |
255 | * but does not in U-Boot. | |
256 | * | |
d8b75360 SG |
257 | * returns: |
258 | * no returned results | |
259 | */ | |
56518e71 SG |
260 | static void fit_image_print_data(const void *fit, int noffset, const char *p, |
261 | const char *type) | |
d8b75360 | 262 | { |
56518e71 | 263 | const char *keyname; |
d8b75360 SG |
264 | uint8_t *value; |
265 | int value_len; | |
56518e71 SG |
266 | char *algo; |
267 | int required; | |
268 | int ret, i; | |
d8b75360 | 269 | |
56518e71 | 270 | debug("%s %s node: '%s'\n", p, type, |
d8b75360 | 271 | fit_get_name(fit, noffset, NULL)); |
56518e71 | 272 | printf("%s %s algo: ", p, type); |
d8b75360 SG |
273 | if (fit_image_hash_get_algo(fit, noffset, &algo)) { |
274 | printf("invalid/unsupported\n"); | |
275 | return; | |
276 | } | |
56518e71 SG |
277 | printf("%s", algo); |
278 | keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL); | |
279 | required = fdt_getprop(fit, noffset, "required", NULL) != NULL; | |
280 | if (keyname) | |
281 | printf(":%s", keyname); | |
282 | if (required) | |
283 | printf(" (required)"); | |
284 | printf("\n"); | |
d8b75360 SG |
285 | |
286 | ret = fit_image_hash_get_value(fit, noffset, &value, | |
287 | &value_len); | |
56518e71 | 288 | printf("%s %s value: ", p, type); |
d8b75360 SG |
289 | if (ret) { |
290 | printf("unavailable\n"); | |
291 | } else { | |
292 | for (i = 0; i < value_len; i++) | |
293 | printf("%02x", value[i]); | |
294 | printf("\n"); | |
295 | } | |
296 | ||
56518e71 SG |
297 | debug("%s %s len: %d\n", p, type, value_len); |
298 | ||
299 | /* Signatures have a time stamp */ | |
300 | if (IMAGE_ENABLE_TIMESTAMP && keyname) { | |
301 | time_t timestamp; | |
302 | ||
303 | printf("%s Timestamp: ", p); | |
304 | if (fit_get_timestamp(fit, noffset, ×tamp)) | |
305 | printf("unavailable\n"); | |
306 | else | |
307 | genimg_print_time(timestamp); | |
308 | } | |
d8b75360 SG |
309 | } |
310 | ||
311 | /** | |
312 | * fit_image_print_verification_data() - prints out the hash/signature details | |
313 | * @fit: pointer to the FIT format image header | |
314 | * @noffset: offset of the hash or signature node | |
315 | * @p: pointer to prefix string | |
316 | * | |
317 | * This lists properies for the processed hash node | |
318 | * | |
319 | * returns: | |
320 | * no returned results | |
321 | */ | |
322 | static void fit_image_print_verification_data(const void *fit, int noffset, | |
323 | const char *p) | |
324 | { | |
325 | const char *name; | |
326 | ||
327 | /* | |
328 | * Check subnode name, must be equal to "hash" or "signature". | |
329 | * Multiple hash/signature nodes require unique unit node | |
330 | * names, e.g. hash@1, hash@2, signature@1, signature@2, etc. | |
331 | */ | |
332 | name = fit_get_name(fit, noffset, NULL); | |
56518e71 SG |
333 | if (!strncmp(name, FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME))) { |
334 | fit_image_print_data(fit, noffset, p, "Hash"); | |
335 | } else if (!strncmp(name, FIT_SIG_NODENAME, | |
336 | strlen(FIT_SIG_NODENAME))) { | |
337 | fit_image_print_data(fit, noffset, p, "Sign"); | |
338 | } | |
d8b75360 SG |
339 | } |
340 | ||
53fbb7e8 SG |
341 | /** |
342 | * fit_image_print - prints out the FIT component image details | |
343 | * @fit: pointer to the FIT format image header | |
344 | * @image_noffset: offset of the component image node | |
345 | * @p: pointer to prefix string | |
346 | * | |
347 | * fit_image_print() lists all mandatory properies for the processed component | |
348 | * image. If present, hash nodes are printed out as well. Load | |
349 | * address for images of type firmware is also printed out. Since the load | |
350 | * address is not mandatory for firmware images, it will be output as | |
351 | * "unavailable" when not present. | |
352 | * | |
353 | * returns: | |
354 | * no returned results | |
355 | */ | |
356 | void fit_image_print(const void *fit, int image_noffset, const char *p) | |
357 | { | |
358 | char *desc; | |
359 | uint8_t type, arch, os, comp; | |
360 | size_t size; | |
361 | ulong load, entry; | |
362 | const void *data; | |
363 | int noffset; | |
364 | int ndepth; | |
365 | int ret; | |
366 | ||
367 | /* Mandatory properties */ | |
368 | ret = fit_get_desc(fit, image_noffset, &desc); | |
369 | printf("%s Description: ", p); | |
370 | if (ret) | |
371 | printf("unavailable\n"); | |
372 | else | |
373 | printf("%s\n", desc); | |
374 | ||
1fd1e2f6 SG |
375 | if (IMAGE_ENABLE_TIMESTAMP) { |
376 | time_t timestamp; | |
377 | ||
378 | ret = fit_get_timestamp(fit, 0, ×tamp); | |
379 | printf("%s Created: ", p); | |
380 | if (ret) | |
381 | printf("unavailable\n"); | |
382 | else | |
383 | genimg_print_time(timestamp); | |
384 | } | |
385 | ||
53fbb7e8 SG |
386 | fit_image_get_type(fit, image_noffset, &type); |
387 | printf("%s Type: %s\n", p, genimg_get_type_name(type)); | |
388 | ||
389 | fit_image_get_comp(fit, image_noffset, &comp); | |
390 | printf("%s Compression: %s\n", p, genimg_get_comp_name(comp)); | |
391 | ||
392 | ret = fit_image_get_data(fit, image_noffset, &data, &size); | |
393 | ||
394 | #ifndef USE_HOSTCC | |
395 | printf("%s Data Start: ", p); | |
c6ac13bd | 396 | if (ret) { |
53fbb7e8 | 397 | printf("unavailable\n"); |
c6ac13bd SG |
398 | } else { |
399 | void *vdata = (void *)data; | |
400 | ||
401 | printf("0x%08lx\n", (ulong)map_to_sysmem(vdata)); | |
402 | } | |
53fbb7e8 SG |
403 | #endif |
404 | ||
405 | printf("%s Data Size: ", p); | |
406 | if (ret) | |
407 | printf("unavailable\n"); | |
408 | else | |
409 | genimg_print_size(size); | |
410 | ||
411 | /* Remaining, type dependent properties */ | |
412 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || | |
413 | (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || | |
414 | (type == IH_TYPE_FLATDT)) { | |
415 | fit_image_get_arch(fit, image_noffset, &arch); | |
416 | printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch)); | |
417 | } | |
418 | ||
419 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK)) { | |
420 | fit_image_get_os(fit, image_noffset, &os); | |
421 | printf("%s OS: %s\n", p, genimg_get_os_name(os)); | |
422 | } | |
423 | ||
424 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || | |
425 | (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK)) { | |
426 | ret = fit_image_get_load(fit, image_noffset, &load); | |
427 | printf("%s Load Address: ", p); | |
428 | if (ret) | |
429 | printf("unavailable\n"); | |
430 | else | |
431 | printf("0x%08lx\n", load); | |
432 | } | |
433 | ||
434 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || | |
435 | (type == IH_TYPE_RAMDISK)) { | |
436 | fit_image_get_entry(fit, image_noffset, &entry); | |
437 | printf("%s Entry Point: ", p); | |
438 | if (ret) | |
439 | printf("unavailable\n"); | |
440 | else | |
441 | printf("0x%08lx\n", entry); | |
442 | } | |
443 | ||
444 | /* Process all hash subnodes of the component image node */ | |
445 | for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth); | |
446 | (noffset >= 0) && (ndepth > 0); | |
447 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
448 | if (ndepth == 1) { | |
449 | /* Direct child node of the component image node */ | |
d8b75360 | 450 | fit_image_print_verification_data(fit, noffset, p); |
53fbb7e8 SG |
451 | } |
452 | } | |
453 | } | |
39931f96 GMF |
454 | |
455 | #endif /* !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT) */ | |
53fbb7e8 | 456 | |
53fbb7e8 SG |
457 | /** |
458 | * fit_get_desc - get node description property | |
459 | * @fit: pointer to the FIT format image header | |
460 | * @noffset: node offset | |
461 | * @desc: double pointer to the char, will hold pointer to the descrption | |
462 | * | |
463 | * fit_get_desc() reads description property from a given node, if | |
464 | * description is found pointer to it is returened in third call argument. | |
465 | * | |
466 | * returns: | |
467 | * 0, on success | |
468 | * -1, on failure | |
469 | */ | |
470 | int fit_get_desc(const void *fit, int noffset, char **desc) | |
471 | { | |
472 | int len; | |
473 | ||
474 | *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len); | |
475 | if (*desc == NULL) { | |
476 | fit_get_debug(fit, noffset, FIT_DESC_PROP, len); | |
477 | return -1; | |
478 | } | |
479 | ||
480 | return 0; | |
481 | } | |
482 | ||
483 | /** | |
484 | * fit_get_timestamp - get node timestamp property | |
485 | * @fit: pointer to the FIT format image header | |
486 | * @noffset: node offset | |
487 | * @timestamp: pointer to the time_t, will hold read timestamp | |
488 | * | |
489 | * fit_get_timestamp() reads timestamp poperty from given node, if timestamp | |
490 | * is found and has a correct size its value is retured in third call | |
491 | * argument. | |
492 | * | |
493 | * returns: | |
494 | * 0, on success | |
495 | * -1, on property read failure | |
496 | * -2, on wrong timestamp size | |
497 | */ | |
498 | int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp) | |
499 | { | |
500 | int len; | |
501 | const void *data; | |
502 | ||
503 | data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len); | |
504 | if (data == NULL) { | |
505 | fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len); | |
506 | return -1; | |
507 | } | |
508 | if (len != sizeof(uint32_t)) { | |
509 | debug("FIT timestamp with incorrect size of (%u)\n", len); | |
510 | return -2; | |
511 | } | |
512 | ||
513 | *timestamp = uimage_to_cpu(*((uint32_t *)data)); | |
514 | return 0; | |
515 | } | |
516 | ||
517 | /** | |
518 | * fit_image_get_node - get node offset for component image of a given unit name | |
519 | * @fit: pointer to the FIT format image header | |
520 | * @image_uname: component image node unit name | |
521 | * | |
522 | * fit_image_get_node() finds a component image (withing the '/images' | |
523 | * node) of a provided unit name. If image is found its node offset is | |
524 | * returned to the caller. | |
525 | * | |
526 | * returns: | |
527 | * image node offset when found (>=0) | |
528 | * negative number on failure (FDT_ERR_* code) | |
529 | */ | |
530 | int fit_image_get_node(const void *fit, const char *image_uname) | |
531 | { | |
532 | int noffset, images_noffset; | |
533 | ||
534 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); | |
535 | if (images_noffset < 0) { | |
536 | debug("Can't find images parent node '%s' (%s)\n", | |
537 | FIT_IMAGES_PATH, fdt_strerror(images_noffset)); | |
538 | return images_noffset; | |
539 | } | |
540 | ||
541 | noffset = fdt_subnode_offset(fit, images_noffset, image_uname); | |
542 | if (noffset < 0) { | |
543 | debug("Can't get node offset for image unit name: '%s' (%s)\n", | |
544 | image_uname, fdt_strerror(noffset)); | |
545 | } | |
546 | ||
547 | return noffset; | |
548 | } | |
549 | ||
550 | /** | |
551 | * fit_image_get_os - get os id for a given component image node | |
552 | * @fit: pointer to the FIT format image header | |
553 | * @noffset: component image node offset | |
554 | * @os: pointer to the uint8_t, will hold os numeric id | |
555 | * | |
556 | * fit_image_get_os() finds os property in a given component image node. | |
557 | * If the property is found, its (string) value is translated to the numeric | |
558 | * id which is returned to the caller. | |
559 | * | |
560 | * returns: | |
561 | * 0, on success | |
562 | * -1, on failure | |
563 | */ | |
564 | int fit_image_get_os(const void *fit, int noffset, uint8_t *os) | |
565 | { | |
566 | int len; | |
567 | const void *data; | |
568 | ||
569 | /* Get OS name from property data */ | |
570 | data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len); | |
571 | if (data == NULL) { | |
572 | fit_get_debug(fit, noffset, FIT_OS_PROP, len); | |
573 | *os = -1; | |
574 | return -1; | |
575 | } | |
576 | ||
577 | /* Translate OS name to id */ | |
578 | *os = genimg_get_os_id(data); | |
579 | return 0; | |
580 | } | |
581 | ||
582 | /** | |
583 | * fit_image_get_arch - get arch id for a given component image node | |
584 | * @fit: pointer to the FIT format image header | |
585 | * @noffset: component image node offset | |
586 | * @arch: pointer to the uint8_t, will hold arch numeric id | |
587 | * | |
588 | * fit_image_get_arch() finds arch property in a given component image node. | |
589 | * If the property is found, its (string) value is translated to the numeric | |
590 | * id which is returned to the caller. | |
591 | * | |
592 | * returns: | |
593 | * 0, on success | |
594 | * -1, on failure | |
595 | */ | |
596 | int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch) | |
597 | { | |
598 | int len; | |
599 | const void *data; | |
600 | ||
601 | /* Get architecture name from property data */ | |
602 | data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len); | |
603 | if (data == NULL) { | |
604 | fit_get_debug(fit, noffset, FIT_ARCH_PROP, len); | |
605 | *arch = -1; | |
606 | return -1; | |
607 | } | |
608 | ||
609 | /* Translate architecture name to id */ | |
610 | *arch = genimg_get_arch_id(data); | |
611 | return 0; | |
612 | } | |
613 | ||
614 | /** | |
615 | * fit_image_get_type - get type id for a given component image node | |
616 | * @fit: pointer to the FIT format image header | |
617 | * @noffset: component image node offset | |
618 | * @type: pointer to the uint8_t, will hold type numeric id | |
619 | * | |
620 | * fit_image_get_type() finds type property in a given component image node. | |
621 | * If the property is found, its (string) value is translated to the numeric | |
622 | * id which is returned to the caller. | |
623 | * | |
624 | * returns: | |
625 | * 0, on success | |
626 | * -1, on failure | |
627 | */ | |
628 | int fit_image_get_type(const void *fit, int noffset, uint8_t *type) | |
629 | { | |
630 | int len; | |
631 | const void *data; | |
632 | ||
633 | /* Get image type name from property data */ | |
634 | data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len); | |
635 | if (data == NULL) { | |
636 | fit_get_debug(fit, noffset, FIT_TYPE_PROP, len); | |
637 | *type = -1; | |
638 | return -1; | |
639 | } | |
640 | ||
641 | /* Translate image type name to id */ | |
642 | *type = genimg_get_type_id(data); | |
643 | return 0; | |
644 | } | |
645 | ||
646 | /** | |
647 | * fit_image_get_comp - get comp id for a given component image node | |
648 | * @fit: pointer to the FIT format image header | |
649 | * @noffset: component image node offset | |
650 | * @comp: pointer to the uint8_t, will hold comp numeric id | |
651 | * | |
652 | * fit_image_get_comp() finds comp property in a given component image node. | |
653 | * If the property is found, its (string) value is translated to the numeric | |
654 | * id which is returned to the caller. | |
655 | * | |
656 | * returns: | |
657 | * 0, on success | |
658 | * -1, on failure | |
659 | */ | |
660 | int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp) | |
661 | { | |
662 | int len; | |
663 | const void *data; | |
664 | ||
665 | /* Get compression name from property data */ | |
666 | data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len); | |
667 | if (data == NULL) { | |
668 | fit_get_debug(fit, noffset, FIT_COMP_PROP, len); | |
669 | *comp = -1; | |
670 | return -1; | |
671 | } | |
672 | ||
673 | /* Translate compression name to id */ | |
674 | *comp = genimg_get_comp_id(data); | |
675 | return 0; | |
676 | } | |
677 | ||
678 | /** | |
679 | * fit_image_get_load() - get load addr property for given component image node | |
680 | * @fit: pointer to the FIT format image header | |
681 | * @noffset: component image node offset | |
682 | * @load: pointer to the uint32_t, will hold load address | |
683 | * | |
684 | * fit_image_get_load() finds load address property in a given component | |
685 | * image node. If the property is found, its value is returned to the caller. | |
686 | * | |
687 | * returns: | |
688 | * 0, on success | |
689 | * -1, on failure | |
690 | */ | |
691 | int fit_image_get_load(const void *fit, int noffset, ulong *load) | |
692 | { | |
693 | int len; | |
694 | const uint32_t *data; | |
695 | ||
696 | data = fdt_getprop(fit, noffset, FIT_LOAD_PROP, &len); | |
697 | if (data == NULL) { | |
698 | fit_get_debug(fit, noffset, FIT_LOAD_PROP, len); | |
699 | return -1; | |
700 | } | |
701 | ||
702 | *load = uimage_to_cpu(*data); | |
703 | return 0; | |
704 | } | |
705 | ||
706 | /** | |
707 | * fit_image_get_entry() - get entry point address property | |
708 | * @fit: pointer to the FIT format image header | |
709 | * @noffset: component image node offset | |
710 | * @entry: pointer to the uint32_t, will hold entry point address | |
711 | * | |
712 | * This gets the entry point address property for a given component image | |
713 | * node. | |
714 | * | |
715 | * fit_image_get_entry() finds entry point address property in a given | |
716 | * component image node. If the property is found, its value is returned | |
717 | * to the caller. | |
718 | * | |
719 | * returns: | |
720 | * 0, on success | |
721 | * -1, on failure | |
722 | */ | |
723 | int fit_image_get_entry(const void *fit, int noffset, ulong *entry) | |
724 | { | |
725 | int len; | |
726 | const uint32_t *data; | |
727 | ||
728 | data = fdt_getprop(fit, noffset, FIT_ENTRY_PROP, &len); | |
729 | if (data == NULL) { | |
730 | fit_get_debug(fit, noffset, FIT_ENTRY_PROP, len); | |
731 | return -1; | |
732 | } | |
733 | ||
734 | *entry = uimage_to_cpu(*data); | |
735 | return 0; | |
736 | } | |
737 | ||
738 | /** | |
739 | * fit_image_get_data - get data property and its size for a given component image node | |
740 | * @fit: pointer to the FIT format image header | |
741 | * @noffset: component image node offset | |
742 | * @data: double pointer to void, will hold data property's data address | |
743 | * @size: pointer to size_t, will hold data property's data size | |
744 | * | |
745 | * fit_image_get_data() finds data property in a given component image node. | |
746 | * If the property is found its data start address and size are returned to | |
747 | * the caller. | |
748 | * | |
749 | * returns: | |
750 | * 0, on success | |
751 | * -1, on failure | |
752 | */ | |
753 | int fit_image_get_data(const void *fit, int noffset, | |
754 | const void **data, size_t *size) | |
755 | { | |
756 | int len; | |
757 | ||
758 | *data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len); | |
759 | if (*data == NULL) { | |
760 | fit_get_debug(fit, noffset, FIT_DATA_PROP, len); | |
761 | *size = 0; | |
762 | return -1; | |
763 | } | |
764 | ||
765 | *size = len; | |
766 | return 0; | |
767 | } | |
768 | ||
769 | /** | |
770 | * fit_image_hash_get_algo - get hash algorithm name | |
771 | * @fit: pointer to the FIT format image header | |
772 | * @noffset: hash node offset | |
773 | * @algo: double pointer to char, will hold pointer to the algorithm name | |
774 | * | |
775 | * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. | |
776 | * If the property is found its data start address is returned to the caller. | |
777 | * | |
778 | * returns: | |
779 | * 0, on success | |
780 | * -1, on failure | |
781 | */ | |
782 | int fit_image_hash_get_algo(const void *fit, int noffset, char **algo) | |
783 | { | |
784 | int len; | |
785 | ||
786 | *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len); | |
787 | if (*algo == NULL) { | |
788 | fit_get_debug(fit, noffset, FIT_ALGO_PROP, len); | |
789 | return -1; | |
790 | } | |
791 | ||
792 | return 0; | |
793 | } | |
794 | ||
795 | /** | |
796 | * fit_image_hash_get_value - get hash value and length | |
797 | * @fit: pointer to the FIT format image header | |
798 | * @noffset: hash node offset | |
799 | * @value: double pointer to uint8_t, will hold address of a hash value data | |
800 | * @value_len: pointer to an int, will hold hash data length | |
801 | * | |
802 | * fit_image_hash_get_value() finds hash value property in a given hash node. | |
803 | * If the property is found its data start address and size are returned to | |
804 | * the caller. | |
805 | * | |
806 | * returns: | |
807 | * 0, on success | |
808 | * -1, on failure | |
809 | */ | |
810 | int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value, | |
811 | int *value_len) | |
812 | { | |
813 | int len; | |
814 | ||
815 | *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len); | |
816 | if (*value == NULL) { | |
817 | fit_get_debug(fit, noffset, FIT_VALUE_PROP, len); | |
818 | *value_len = 0; | |
819 | return -1; | |
820 | } | |
821 | ||
822 | *value_len = len; | |
823 | return 0; | |
824 | } | |
825 | ||
53fbb7e8 SG |
826 | /** |
827 | * fit_image_hash_get_ignore - get hash ignore flag | |
828 | * @fit: pointer to the FIT format image header | |
829 | * @noffset: hash node offset | |
830 | * @ignore: pointer to an int, will hold hash ignore flag | |
831 | * | |
832 | * fit_image_hash_get_ignore() finds hash ignore property in a given hash node. | |
833 | * If the property is found and non-zero, the hash algorithm is not verified by | |
834 | * u-boot automatically. | |
835 | * | |
836 | * returns: | |
837 | * 0, on ignore not found | |
838 | * value, on ignore found | |
839 | */ | |
ab9efc66 | 840 | static int fit_image_hash_get_ignore(const void *fit, int noffset, int *ignore) |
53fbb7e8 SG |
841 | { |
842 | int len; | |
843 | int *value; | |
844 | ||
845 | value = (int *)fdt_getprop(fit, noffset, FIT_IGNORE_PROP, &len); | |
846 | if (value == NULL || len != sizeof(int)) | |
847 | *ignore = 0; | |
848 | else | |
849 | *ignore = *value; | |
850 | ||
851 | return 0; | |
852 | } | |
53fbb7e8 SG |
853 | |
854 | /** | |
855 | * fit_set_timestamp - set node timestamp property | |
856 | * @fit: pointer to the FIT format image header | |
857 | * @noffset: node offset | |
858 | * @timestamp: timestamp value to be set | |
859 | * | |
860 | * fit_set_timestamp() attempts to set timestamp property in the requested | |
861 | * node and returns operation status to the caller. | |
862 | * | |
863 | * returns: | |
864 | * 0, on success | |
4f427a42 | 865 | * -ENOSPC if no space in device tree, -1 for other error |
53fbb7e8 SG |
866 | */ |
867 | int fit_set_timestamp(void *fit, int noffset, time_t timestamp) | |
868 | { | |
869 | uint32_t t; | |
870 | int ret; | |
871 | ||
872 | t = cpu_to_uimage(timestamp); | |
873 | ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t, | |
874 | sizeof(uint32_t)); | |
875 | if (ret) { | |
876 | printf("Can't set '%s' property for '%s' node (%s)\n", | |
877 | FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL), | |
878 | fdt_strerror(ret)); | |
4f427a42 | 879 | return ret == -FDT_ERR_NOSPACE ? -ENOSPC : -1; |
53fbb7e8 SG |
880 | } |
881 | ||
882 | return 0; | |
883 | } | |
884 | ||
885 | /** | |
886 | * calculate_hash - calculate and return hash for provided input data | |
887 | * @data: pointer to the input data | |
888 | * @data_len: data length | |
889 | * @algo: requested hash algorithm | |
890 | * @value: pointer to the char, will hold hash value data (caller must | |
891 | * allocate enough free space) | |
892 | * value_len: length of the calculated hash | |
893 | * | |
894 | * calculate_hash() computes input data hash according to the requested | |
895 | * algorithm. | |
896 | * Resulting hash value is placed in caller provided 'value' buffer, length | |
897 | * of the calculated hash is returned via value_len pointer argument. | |
898 | * | |
899 | * returns: | |
900 | * 0, on success | |
901 | * -1, when algo is unsupported | |
902 | */ | |
604f23dd | 903 | int calculate_hash(const void *data, int data_len, const char *algo, |
53fbb7e8 SG |
904 | uint8_t *value, int *value_len) |
905 | { | |
87ebee39 | 906 | if (IMAGE_ENABLE_CRC32 && strcmp(algo, "crc32") == 0) { |
53fbb7e8 SG |
907 | *((uint32_t *)value) = crc32_wd(0, data, data_len, |
908 | CHUNKSZ_CRC32); | |
909 | *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value)); | |
910 | *value_len = 4; | |
87ebee39 | 911 | } else if (IMAGE_ENABLE_SHA1 && strcmp(algo, "sha1") == 0) { |
53fbb7e8 SG |
912 | sha1_csum_wd((unsigned char *)data, data_len, |
913 | (unsigned char *)value, CHUNKSZ_SHA1); | |
914 | *value_len = 20; | |
2842c1c2 HS |
915 | } else if (IMAGE_ENABLE_SHA256 && strcmp(algo, "sha256") == 0) { |
916 | sha256_csum_wd((unsigned char *)data, data_len, | |
917 | (unsigned char *)value, CHUNKSZ_SHA256); | |
918 | *value_len = SHA256_SUM_LEN; | |
87ebee39 | 919 | } else if (IMAGE_ENABLE_MD5 && strcmp(algo, "md5") == 0) { |
53fbb7e8 SG |
920 | md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5); |
921 | *value_len = 16; | |
922 | } else { | |
923 | debug("Unsupported hash alogrithm\n"); | |
924 | return -1; | |
925 | } | |
926 | return 0; | |
927 | } | |
928 | ||
ab9efc66 SG |
929 | static int fit_image_check_hash(const void *fit, int noffset, const void *data, |
930 | size_t size, char **err_msgp) | |
931 | { | |
932 | uint8_t value[FIT_MAX_HASH_LEN]; | |
933 | int value_len; | |
934 | char *algo; | |
935 | uint8_t *fit_value; | |
936 | int fit_value_len; | |
937 | int ignore; | |
938 | ||
939 | *err_msgp = NULL; | |
940 | ||
941 | if (fit_image_hash_get_algo(fit, noffset, &algo)) { | |
e754da2a | 942 | *err_msgp = "Can't get hash algo property"; |
ab9efc66 SG |
943 | return -1; |
944 | } | |
945 | printf("%s", algo); | |
946 | ||
947 | if (IMAGE_ENABLE_IGNORE) { | |
948 | fit_image_hash_get_ignore(fit, noffset, &ignore); | |
949 | if (ignore) { | |
950 | printf("-skipped "); | |
951 | return 0; | |
952 | } | |
953 | } | |
954 | ||
955 | if (fit_image_hash_get_value(fit, noffset, &fit_value, | |
956 | &fit_value_len)) { | |
e754da2a | 957 | *err_msgp = "Can't get hash value property"; |
ab9efc66 SG |
958 | return -1; |
959 | } | |
960 | ||
961 | if (calculate_hash(data, size, algo, value, &value_len)) { | |
e754da2a | 962 | *err_msgp = "Unsupported hash algorithm"; |
ab9efc66 SG |
963 | return -1; |
964 | } | |
965 | ||
966 | if (value_len != fit_value_len) { | |
e754da2a | 967 | *err_msgp = "Bad hash value len"; |
ab9efc66 SG |
968 | return -1; |
969 | } else if (memcmp(value, fit_value, value_len) != 0) { | |
e754da2a | 970 | *err_msgp = "Bad hash value"; |
ab9efc66 SG |
971 | return -1; |
972 | } | |
973 | ||
974 | return 0; | |
975 | } | |
976 | ||
53fbb7e8 | 977 | /** |
b8da8366 | 978 | * fit_image_verify - verify data intergity |
53fbb7e8 SG |
979 | * @fit: pointer to the FIT format image header |
980 | * @image_noffset: component image node offset | |
981 | * | |
b8da8366 | 982 | * fit_image_verify() goes over component image hash nodes, |
53fbb7e8 SG |
983 | * re-calculates each data hash and compares with the value stored in hash |
984 | * node. | |
985 | * | |
986 | * returns: | |
987 | * 1, if all hashes are valid | |
988 | * 0, otherwise (or on error) | |
989 | */ | |
b8da8366 | 990 | int fit_image_verify(const void *fit, int image_noffset) |
53fbb7e8 SG |
991 | { |
992 | const void *data; | |
993 | size_t size; | |
56518e71 | 994 | int noffset = 0; |
53fbb7e8 | 995 | char *err_msg = ""; |
56518e71 SG |
996 | int verify_all = 1; |
997 | int ret; | |
53fbb7e8 SG |
998 | |
999 | /* Get image data and data length */ | |
1000 | if (fit_image_get_data(fit, image_noffset, &data, &size)) { | |
e754da2a | 1001 | err_msg = "Can't get image data/size"; |
56518e71 SG |
1002 | goto error; |
1003 | } | |
1004 | ||
1005 | /* Verify all required signatures */ | |
1006 | if (IMAGE_ENABLE_VERIFY && | |
1007 | fit_image_verify_required_sigs(fit, image_noffset, data, size, | |
1008 | gd_fdt_blob(), &verify_all)) { | |
1009 | err_msg = "Unable to verify required signature"; | |
1010 | goto error; | |
53fbb7e8 SG |
1011 | } |
1012 | ||
1013 | /* Process all hash subnodes of the component image node */ | |
364ac5b5 | 1014 | fdt_for_each_subnode(fit, noffset, image_noffset) { |
ab9efc66 SG |
1015 | const char *name = fit_get_name(fit, noffset, NULL); |
1016 | ||
1017 | /* | |
1018 | * Check subnode name, must be equal to "hash". | |
1019 | * Multiple hash nodes require unique unit node | |
1020 | * names, e.g. hash@1, hash@2, etc. | |
1021 | */ | |
1022 | if (!strncmp(name, FIT_HASH_NODENAME, | |
1023 | strlen(FIT_HASH_NODENAME))) { | |
1024 | if (fit_image_check_hash(fit, noffset, data, size, | |
1025 | &err_msg)) | |
53fbb7e8 | 1026 | goto error; |
ab9efc66 | 1027 | puts("+ "); |
56518e71 SG |
1028 | } else if (IMAGE_ENABLE_VERIFY && verify_all && |
1029 | !strncmp(name, FIT_SIG_NODENAME, | |
1030 | strlen(FIT_SIG_NODENAME))) { | |
1031 | ret = fit_image_check_sig(fit, noffset, data, | |
1032 | size, -1, &err_msg); | |
1033 | if (ret) | |
1034 | puts("- "); | |
1035 | else | |
1036 | puts("+ "); | |
53fbb7e8 SG |
1037 | } |
1038 | } | |
1039 | ||
1040 | if (noffset == -FDT_ERR_TRUNCATED || noffset == -FDT_ERR_BADSTRUCTURE) { | |
e754da2a | 1041 | err_msg = "Corrupted or truncated tree"; |
53fbb7e8 SG |
1042 | goto error; |
1043 | } | |
1044 | ||
1045 | return 1; | |
1046 | ||
1047 | error: | |
e754da2a | 1048 | printf(" error!\n%s for '%s' hash node in '%s' image node\n", |
53fbb7e8 SG |
1049 | err_msg, fit_get_name(fit, noffset, NULL), |
1050 | fit_get_name(fit, image_noffset, NULL)); | |
1051 | return 0; | |
1052 | } | |
1053 | ||
1054 | /** | |
b8da8366 | 1055 | * fit_all_image_verify - verify data intergity for all images |
53fbb7e8 SG |
1056 | * @fit: pointer to the FIT format image header |
1057 | * | |
b8da8366 | 1058 | * fit_all_image_verify() goes over all images in the FIT and |
53fbb7e8 SG |
1059 | * for every images checks if all it's hashes are valid. |
1060 | * | |
1061 | * returns: | |
1062 | * 1, if all hashes of all images are valid | |
1063 | * 0, otherwise (or on error) | |
1064 | */ | |
b8da8366 | 1065 | int fit_all_image_verify(const void *fit) |
53fbb7e8 SG |
1066 | { |
1067 | int images_noffset; | |
1068 | int noffset; | |
1069 | int ndepth; | |
1070 | int count; | |
1071 | ||
1072 | /* Find images parent node offset */ | |
1073 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); | |
1074 | if (images_noffset < 0) { | |
1075 | printf("Can't find images parent node '%s' (%s)\n", | |
1076 | FIT_IMAGES_PATH, fdt_strerror(images_noffset)); | |
1077 | return 0; | |
1078 | } | |
1079 | ||
1080 | /* Process all image subnodes, check hashes for each */ | |
1081 | printf("## Checking hash(es) for FIT Image at %08lx ...\n", | |
1082 | (ulong)fit); | |
1083 | for (ndepth = 0, count = 0, | |
1084 | noffset = fdt_next_node(fit, images_noffset, &ndepth); | |
1085 | (noffset >= 0) && (ndepth > 0); | |
1086 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
1087 | if (ndepth == 1) { | |
1088 | /* | |
1089 | * Direct child node of the images parent node, | |
1090 | * i.e. component image node. | |
1091 | */ | |
1092 | printf(" Hash(es) for Image %u (%s): ", count++, | |
1093 | fit_get_name(fit, noffset, NULL)); | |
1094 | ||
b8da8366 | 1095 | if (!fit_image_verify(fit, noffset)) |
53fbb7e8 SG |
1096 | return 0; |
1097 | printf("\n"); | |
1098 | } | |
1099 | } | |
1100 | return 1; | |
1101 | } | |
1102 | ||
1103 | /** | |
1104 | * fit_image_check_os - check whether image node is of a given os type | |
1105 | * @fit: pointer to the FIT format image header | |
1106 | * @noffset: component image node offset | |
1107 | * @os: requested image os | |
1108 | * | |
1109 | * fit_image_check_os() reads image os property and compares its numeric | |
1110 | * id with the requested os. Comparison result is returned to the caller. | |
1111 | * | |
1112 | * returns: | |
1113 | * 1 if image is of given os type | |
1114 | * 0 otherwise (or on error) | |
1115 | */ | |
1116 | int fit_image_check_os(const void *fit, int noffset, uint8_t os) | |
1117 | { | |
1118 | uint8_t image_os; | |
1119 | ||
1120 | if (fit_image_get_os(fit, noffset, &image_os)) | |
1121 | return 0; | |
1122 | return (os == image_os); | |
1123 | } | |
1124 | ||
1125 | /** | |
1126 | * fit_image_check_arch - check whether image node is of a given arch | |
1127 | * @fit: pointer to the FIT format image header | |
1128 | * @noffset: component image node offset | |
1129 | * @arch: requested imagearch | |
1130 | * | |
1131 | * fit_image_check_arch() reads image arch property and compares its numeric | |
1132 | * id with the requested arch. Comparison result is returned to the caller. | |
1133 | * | |
1134 | * returns: | |
1135 | * 1 if image is of given arch | |
1136 | * 0 otherwise (or on error) | |
1137 | */ | |
1138 | int fit_image_check_arch(const void *fit, int noffset, uint8_t arch) | |
1139 | { | |
1140 | uint8_t image_arch; | |
1141 | ||
1142 | if (fit_image_get_arch(fit, noffset, &image_arch)) | |
1143 | return 0; | |
5bda35cf SG |
1144 | return (arch == image_arch) || |
1145 | (arch == IH_ARCH_I386 && image_arch == IH_ARCH_X86_64); | |
53fbb7e8 SG |
1146 | } |
1147 | ||
1148 | /** | |
1149 | * fit_image_check_type - check whether image node is of a given type | |
1150 | * @fit: pointer to the FIT format image header | |
1151 | * @noffset: component image node offset | |
1152 | * @type: requested image type | |
1153 | * | |
1154 | * fit_image_check_type() reads image type property and compares its numeric | |
1155 | * id with the requested type. Comparison result is returned to the caller. | |
1156 | * | |
1157 | * returns: | |
1158 | * 1 if image is of given type | |
1159 | * 0 otherwise (or on error) | |
1160 | */ | |
1161 | int fit_image_check_type(const void *fit, int noffset, uint8_t type) | |
1162 | { | |
1163 | uint8_t image_type; | |
1164 | ||
1165 | if (fit_image_get_type(fit, noffset, &image_type)) | |
1166 | return 0; | |
1167 | return (type == image_type); | |
1168 | } | |
1169 | ||
1170 | /** | |
1171 | * fit_image_check_comp - check whether image node uses given compression | |
1172 | * @fit: pointer to the FIT format image header | |
1173 | * @noffset: component image node offset | |
1174 | * @comp: requested image compression type | |
1175 | * | |
1176 | * fit_image_check_comp() reads image compression property and compares its | |
1177 | * numeric id with the requested compression type. Comparison result is | |
1178 | * returned to the caller. | |
1179 | * | |
1180 | * returns: | |
1181 | * 1 if image uses requested compression | |
1182 | * 0 otherwise (or on error) | |
1183 | */ | |
1184 | int fit_image_check_comp(const void *fit, int noffset, uint8_t comp) | |
1185 | { | |
1186 | uint8_t image_comp; | |
1187 | ||
1188 | if (fit_image_get_comp(fit, noffset, &image_comp)) | |
1189 | return 0; | |
1190 | return (comp == image_comp); | |
1191 | } | |
1192 | ||
1193 | /** | |
1194 | * fit_check_format - sanity check FIT image format | |
1195 | * @fit: pointer to the FIT format image header | |
1196 | * | |
1197 | * fit_check_format() runs a basic sanity FIT image verification. | |
1198 | * Routine checks for mandatory properties, nodes, etc. | |
1199 | * | |
1200 | * returns: | |
1201 | * 1, on success | |
1202 | * 0, on failure | |
1203 | */ | |
1204 | int fit_check_format(const void *fit) | |
1205 | { | |
1206 | /* mandatory / node 'description' property */ | |
1207 | if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) { | |
1208 | debug("Wrong FIT format: no description\n"); | |
1209 | return 0; | |
1210 | } | |
1211 | ||
1212 | if (IMAGE_ENABLE_TIMESTAMP) { | |
1213 | /* mandatory / node 'timestamp' property */ | |
1214 | if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { | |
1215 | debug("Wrong FIT format: no timestamp\n"); | |
1216 | return 0; | |
1217 | } | |
1218 | } | |
1219 | ||
1220 | /* mandatory subimages parent '/images' node */ | |
1221 | if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) { | |
1222 | debug("Wrong FIT format: no images parent node\n"); | |
1223 | return 0; | |
1224 | } | |
1225 | ||
1226 | return 1; | |
1227 | } | |
1228 | ||
1229 | ||
1230 | /** | |
1231 | * fit_conf_find_compat | |
1232 | * @fit: pointer to the FIT format image header | |
1233 | * @fdt: pointer to the device tree to compare against | |
1234 | * | |
1235 | * fit_conf_find_compat() attempts to find the configuration whose fdt is the | |
1236 | * most compatible with the passed in device tree. | |
1237 | * | |
1238 | * Example: | |
1239 | * | |
1240 | * / o image-tree | |
1241 | * |-o images | |
1242 | * | |-o fdt@1 | |
1243 | * | |-o fdt@2 | |
1244 | * | | |
1245 | * |-o configurations | |
1246 | * |-o config@1 | |
1247 | * | |-fdt = fdt@1 | |
1248 | * | | |
1249 | * |-o config@2 | |
1250 | * |-fdt = fdt@2 | |
1251 | * | |
1252 | * / o U-Boot fdt | |
1253 | * |-compatible = "foo,bar", "bim,bam" | |
1254 | * | |
1255 | * / o kernel fdt1 | |
1256 | * |-compatible = "foo,bar", | |
1257 | * | |
1258 | * / o kernel fdt2 | |
1259 | * |-compatible = "bim,bam", "baz,biz" | |
1260 | * | |
1261 | * Configuration 1 would be picked because the first string in U-Boot's | |
1262 | * compatible list, "foo,bar", matches a compatible string in the root of fdt1. | |
1263 | * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1. | |
1264 | * | |
1265 | * returns: | |
1266 | * offset to the configuration to use if one was found | |
1267 | * -1 otherwise | |
1268 | */ | |
1269 | int fit_conf_find_compat(const void *fit, const void *fdt) | |
1270 | { | |
1271 | int ndepth = 0; | |
1272 | int noffset, confs_noffset, images_noffset; | |
1273 | const void *fdt_compat; | |
1274 | int fdt_compat_len; | |
1275 | int best_match_offset = 0; | |
1276 | int best_match_pos = 0; | |
1277 | ||
1278 | confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); | |
1279 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); | |
1280 | if (confs_noffset < 0 || images_noffset < 0) { | |
1281 | debug("Can't find configurations or images nodes.\n"); | |
1282 | return -1; | |
1283 | } | |
1284 | ||
1285 | fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len); | |
1286 | if (!fdt_compat) { | |
1287 | debug("Fdt for comparison has no \"compatible\" property.\n"); | |
1288 | return -1; | |
1289 | } | |
1290 | ||
1291 | /* | |
1292 | * Loop over the configurations in the FIT image. | |
1293 | */ | |
1294 | for (noffset = fdt_next_node(fit, confs_noffset, &ndepth); | |
1295 | (noffset >= 0) && (ndepth > 0); | |
1296 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
1297 | const void *kfdt; | |
1298 | const char *kfdt_name; | |
1299 | int kfdt_noffset; | |
1300 | const char *cur_fdt_compat; | |
1301 | int len; | |
1302 | size_t size; | |
1303 | int i; | |
1304 | ||
1305 | if (ndepth > 1) | |
1306 | continue; | |
1307 | ||
1308 | kfdt_name = fdt_getprop(fit, noffset, "fdt", &len); | |
1309 | if (!kfdt_name) { | |
1310 | debug("No fdt property found.\n"); | |
1311 | continue; | |
1312 | } | |
1313 | kfdt_noffset = fdt_subnode_offset(fit, images_noffset, | |
1314 | kfdt_name); | |
1315 | if (kfdt_noffset < 0) { | |
1316 | debug("No image node named \"%s\" found.\n", | |
1317 | kfdt_name); | |
1318 | continue; | |
1319 | } | |
1320 | /* | |
1321 | * Get a pointer to this configuration's fdt. | |
1322 | */ | |
1323 | if (fit_image_get_data(fit, kfdt_noffset, &kfdt, &size)) { | |
1324 | debug("Failed to get fdt \"%s\".\n", kfdt_name); | |
1325 | continue; | |
1326 | } | |
1327 | ||
1328 | len = fdt_compat_len; | |
1329 | cur_fdt_compat = fdt_compat; | |
1330 | /* | |
1331 | * Look for a match for each U-Boot compatibility string in | |
1332 | * turn in this configuration's fdt. | |
1333 | */ | |
1334 | for (i = 0; len > 0 && | |
1335 | (!best_match_offset || best_match_pos > i); i++) { | |
1336 | int cur_len = strlen(cur_fdt_compat) + 1; | |
1337 | ||
1338 | if (!fdt_node_check_compatible(kfdt, 0, | |
1339 | cur_fdt_compat)) { | |
1340 | best_match_offset = noffset; | |
1341 | best_match_pos = i; | |
1342 | break; | |
1343 | } | |
1344 | len -= cur_len; | |
1345 | cur_fdt_compat += cur_len; | |
1346 | } | |
1347 | } | |
1348 | if (!best_match_offset) { | |
1349 | debug("No match found.\n"); | |
1350 | return -1; | |
1351 | } | |
1352 | ||
1353 | return best_match_offset; | |
1354 | } | |
1355 | ||
1356 | /** | |
1357 | * fit_conf_get_node - get node offset for configuration of a given unit name | |
1358 | * @fit: pointer to the FIT format image header | |
1359 | * @conf_uname: configuration node unit name | |
1360 | * | |
1361 | * fit_conf_get_node() finds a configuration (withing the '/configurations' | |
1362 | * parant node) of a provided unit name. If configuration is found its node | |
1363 | * offset is returned to the caller. | |
1364 | * | |
1365 | * When NULL is provided in second argument fit_conf_get_node() will search | |
1366 | * for a default configuration node instead. Default configuration node unit | |
1f8b546f | 1367 | * name is retrieved from FIT_DEFAULT_PROP property of the '/configurations' |
53fbb7e8 SG |
1368 | * node. |
1369 | * | |
1370 | * returns: | |
1371 | * configuration node offset when found (>=0) | |
1372 | * negative number on failure (FDT_ERR_* code) | |
1373 | */ | |
1374 | int fit_conf_get_node(const void *fit, const char *conf_uname) | |
1375 | { | |
1376 | int noffset, confs_noffset; | |
1377 | int len; | |
1378 | ||
1379 | confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); | |
1380 | if (confs_noffset < 0) { | |
1381 | debug("Can't find configurations parent node '%s' (%s)\n", | |
1382 | FIT_CONFS_PATH, fdt_strerror(confs_noffset)); | |
1383 | return confs_noffset; | |
1384 | } | |
1385 | ||
1386 | if (conf_uname == NULL) { | |
1387 | /* get configuration unit name from the default property */ | |
1388 | debug("No configuration specified, trying default...\n"); | |
1389 | conf_uname = (char *)fdt_getprop(fit, confs_noffset, | |
1390 | FIT_DEFAULT_PROP, &len); | |
1391 | if (conf_uname == NULL) { | |
1392 | fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP, | |
1393 | len); | |
1394 | return len; | |
1395 | } | |
1396 | debug("Found default configuration: '%s'\n", conf_uname); | |
1397 | } | |
1398 | ||
1399 | noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname); | |
1400 | if (noffset < 0) { | |
1401 | debug("Can't get node offset for configuration unit name: '%s' (%s)\n", | |
1402 | conf_uname, fdt_strerror(noffset)); | |
1403 | } | |
1404 | ||
1405 | return noffset; | |
1406 | } | |
1407 | ||
003efd7d | 1408 | int fit_conf_get_prop_node(const void *fit, int noffset, |
53fbb7e8 SG |
1409 | const char *prop_name) |
1410 | { | |
1411 | char *uname; | |
1412 | int len; | |
1413 | ||
1414 | /* get kernel image unit name from configuration kernel property */ | |
1415 | uname = (char *)fdt_getprop(fit, noffset, prop_name, &len); | |
1416 | if (uname == NULL) | |
1417 | return len; | |
1418 | ||
1419 | return fit_image_get_node(fit, uname); | |
1420 | } | |
1421 | ||
53fbb7e8 SG |
1422 | /** |
1423 | * fit_conf_print - prints out the FIT configuration details | |
1424 | * @fit: pointer to the FIT format image header | |
1425 | * @noffset: offset of the configuration node | |
1426 | * @p: pointer to prefix string | |
1427 | * | |
1428 | * fit_conf_print() lists all mandatory properies for the processed | |
1429 | * configuration node. | |
1430 | * | |
1431 | * returns: | |
1432 | * no returned results | |
1433 | */ | |
1434 | void fit_conf_print(const void *fit, int noffset, const char *p) | |
1435 | { | |
1436 | char *desc; | |
1437 | char *uname; | |
1438 | int ret; | |
ecf8cd65 | 1439 | int loadables_index; |
53fbb7e8 SG |
1440 | |
1441 | /* Mandatory properties */ | |
1442 | ret = fit_get_desc(fit, noffset, &desc); | |
1443 | printf("%s Description: ", p); | |
1444 | if (ret) | |
1445 | printf("unavailable\n"); | |
1446 | else | |
1447 | printf("%s\n", desc); | |
1448 | ||
1449 | uname = (char *)fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL); | |
1450 | printf("%s Kernel: ", p); | |
1451 | if (uname == NULL) | |
1452 | printf("unavailable\n"); | |
1453 | else | |
1454 | printf("%s\n", uname); | |
1455 | ||
1456 | /* Optional properties */ | |
1457 | uname = (char *)fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL); | |
1458 | if (uname) | |
1459 | printf("%s Init Ramdisk: %s\n", p, uname); | |
1460 | ||
1461 | uname = (char *)fdt_getprop(fit, noffset, FIT_FDT_PROP, NULL); | |
1462 | if (uname) | |
1463 | printf("%s FDT: %s\n", p, uname); | |
ecf8cd65 KA |
1464 | |
1465 | /* Print out all of the specified loadables */ | |
1466 | for (loadables_index = 0; | |
5bcec545 | 1467 | fdt_get_string_index(fit, noffset, |
ecf8cd65 KA |
1468 | FIT_LOADABLE_PROP, |
1469 | loadables_index, | |
5bcec545 | 1470 | (const char **)&uname) == 0; |
ecf8cd65 KA |
1471 | loadables_index++) |
1472 | { | |
1473 | if (loadables_index == 0) { | |
1474 | printf("%s Loadables: ", p); | |
1475 | } else { | |
1476 | printf("%s ", p); | |
1477 | } | |
1478 | printf("%s\n", uname); | |
1479 | } | |
53fbb7e8 SG |
1480 | } |
1481 | ||
718fecae | 1482 | static int fit_image_select(const void *fit, int rd_noffset, int verify) |
782cfbb2 SG |
1483 | { |
1484 | fit_image_print(fit, rd_noffset, " "); | |
1485 | ||
1486 | if (verify) { | |
1487 | puts(" Verifying Hash Integrity ... "); | |
1488 | if (!fit_image_verify(fit, rd_noffset)) { | |
1489 | puts("Bad Data Hash\n"); | |
1490 | return -EACCES; | |
1491 | } | |
1492 | puts("OK\n"); | |
1493 | } | |
1494 | ||
1495 | return 0; | |
1496 | } | |
1497 | ||
782cfbb2 SG |
1498 | int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name, |
1499 | ulong addr) | |
1500 | { | |
1501 | int cfg_noffset; | |
1502 | void *fit_hdr; | |
1503 | int noffset; | |
1504 | ||
1505 | debug("* %s: using config '%s' from image at 0x%08lx\n", | |
1506 | prop_name, images->fit_uname_cfg, addr); | |
1507 | ||
1508 | /* Check whether configuration has this property defined */ | |
1509 | fit_hdr = map_sysmem(addr, 0); | |
1510 | cfg_noffset = fit_conf_get_node(fit_hdr, images->fit_uname_cfg); | |
1511 | if (cfg_noffset < 0) { | |
1512 | debug("* %s: no such config\n", prop_name); | |
1513 | return -ENOENT; | |
1514 | } | |
1515 | ||
1516 | noffset = fit_conf_get_prop_node(fit_hdr, cfg_noffset, prop_name); | |
1517 | if (noffset < 0) { | |
1518 | debug("* %s: no '%s' in config\n", prop_name, prop_name); | |
1519 | return -ENOLINK; | |
1520 | } | |
1521 | ||
1522 | return noffset; | |
1523 | } | |
1524 | ||
126cc864 SG |
1525 | /** |
1526 | * fit_get_image_type_property() - get property name for IH_TYPE_... | |
1527 | * | |
1528 | * @return the properly name where we expect to find the image in the | |
1529 | * config node | |
1530 | */ | |
1531 | static const char *fit_get_image_type_property(int type) | |
1532 | { | |
1533 | /* | |
1534 | * This is sort-of available in the uimage_type[] table in image.c | |
1535 | * but we don't have access to the sohrt name, and "fdt" is different | |
1536 | * anyway. So let's just keep it here. | |
1537 | */ | |
1538 | switch (type) { | |
1539 | case IH_TYPE_FLATDT: | |
1540 | return FIT_FDT_PROP; | |
1541 | case IH_TYPE_KERNEL: | |
1542 | return FIT_KERNEL_PROP; | |
1543 | case IH_TYPE_RAMDISK: | |
1544 | return FIT_RAMDISK_PROP; | |
90268b87 SG |
1545 | case IH_TYPE_X86_SETUP: |
1546 | return FIT_SETUP_PROP; | |
84a07dbf KA |
1547 | case IH_TYPE_LOADABLE: |
1548 | return FIT_LOADABLE_PROP; | |
126cc864 SG |
1549 | } |
1550 | ||
1551 | return "unknown"; | |
1552 | } | |
1553 | ||
1554 | int fit_image_load(bootm_headers_t *images, ulong addr, | |
f320a4d8 | 1555 | const char **fit_unamep, const char **fit_uname_configp, |
782cfbb2 SG |
1556 | int arch, int image_type, int bootstage_id, |
1557 | enum fit_load_op load_op, ulong *datap, ulong *lenp) | |
1558 | { | |
1559 | int cfg_noffset, noffset; | |
1560 | const char *fit_uname; | |
f320a4d8 | 1561 | const char *fit_uname_config; |
782cfbb2 SG |
1562 | const void *fit; |
1563 | const void *buf; | |
1564 | size_t size; | |
1565 | int type_ok, os_ok; | |
1566 | ulong load, data, len; | |
38117231 | 1567 | uint8_t os; |
126cc864 | 1568 | const char *prop_name; |
782cfbb2 SG |
1569 | int ret; |
1570 | ||
1571 | fit = map_sysmem(addr, 0); | |
1572 | fit_uname = fit_unamep ? *fit_unamep : NULL; | |
f320a4d8 | 1573 | fit_uname_config = fit_uname_configp ? *fit_uname_configp : NULL; |
126cc864 | 1574 | prop_name = fit_get_image_type_property(image_type); |
782cfbb2 SG |
1575 | printf("## Loading %s from FIT Image at %08lx ...\n", prop_name, addr); |
1576 | ||
1577 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT); | |
1578 | if (!fit_check_format(fit)) { | |
1579 | printf("Bad FIT %s image format!\n", prop_name); | |
1580 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_FORMAT); | |
1581 | return -ENOEXEC; | |
1582 | } | |
1583 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT_OK); | |
1584 | if (fit_uname) { | |
f150c837 | 1585 | /* get FIT component image node offset */ |
782cfbb2 SG |
1586 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_UNIT_NAME); |
1587 | noffset = fit_image_get_node(fit, fit_uname); | |
1588 | } else { | |
1589 | /* | |
1590 | * no image node unit name, try to get config | |
1591 | * node first. If config unit node name is NULL | |
1592 | * fit_conf_get_node() will try to find default config node | |
1593 | */ | |
1594 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_NO_UNIT_NAME); | |
1595 | if (IMAGE_ENABLE_BEST_MATCH && !fit_uname_config) { | |
1596 | cfg_noffset = fit_conf_find_compat(fit, gd_fdt_blob()); | |
1597 | } else { | |
1598 | cfg_noffset = fit_conf_get_node(fit, | |
1599 | fit_uname_config); | |
1600 | } | |
1601 | if (cfg_noffset < 0) { | |
1602 | puts("Could not find configuration node\n"); | |
1603 | bootstage_error(bootstage_id + | |
1604 | BOOTSTAGE_SUB_NO_UNIT_NAME); | |
1605 | return -ENOENT; | |
1606 | } | |
1607 | fit_uname_config = fdt_get_name(fit, cfg_noffset, NULL); | |
1608 | printf(" Using '%s' configuration\n", fit_uname_config); | |
1609 | if (image_type == IH_TYPE_KERNEL) { | |
1610 | /* Remember (and possibly verify) this config */ | |
1611 | images->fit_uname_cfg = fit_uname_config; | |
1612 | if (IMAGE_ENABLE_VERIFY && images->verify) { | |
1613 | puts(" Verifying Hash Integrity ... "); | |
12df2abe | 1614 | if (fit_config_verify(fit, cfg_noffset)) { |
782cfbb2 SG |
1615 | puts("Bad Data Hash\n"); |
1616 | bootstage_error(bootstage_id + | |
1617 | BOOTSTAGE_SUB_HASH); | |
1618 | return -EACCES; | |
1619 | } | |
1620 | puts("OK\n"); | |
1621 | } | |
1622 | bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG); | |
1623 | } | |
1624 | ||
1625 | noffset = fit_conf_get_prop_node(fit, cfg_noffset, | |
1626 | prop_name); | |
1627 | fit_uname = fit_get_name(fit, noffset, NULL); | |
1628 | } | |
1629 | if (noffset < 0) { | |
1630 | puts("Could not find subimage node\n"); | |
1631 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_SUBNODE); | |
1632 | return -ENOENT; | |
1633 | } | |
1634 | ||
1635 | printf(" Trying '%s' %s subimage\n", fit_uname, prop_name); | |
1636 | ||
1637 | ret = fit_image_select(fit, noffset, images->verify); | |
1638 | if (ret) { | |
1639 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_HASH); | |
1640 | return ret; | |
1641 | } | |
1642 | ||
1643 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH); | |
5ba63dd4 | 1644 | #if !defined(USE_HOSTCC) && !defined(CONFIG_SANDBOX) |
782cfbb2 SG |
1645 | if (!fit_image_check_target_arch(fit, noffset)) { |
1646 | puts("Unsupported Architecture\n"); | |
1647 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH); | |
1648 | return -ENOEXEC; | |
1649 | } | |
ce1400f6 | 1650 | #endif |
782cfbb2 SG |
1651 | if (image_type == IH_TYPE_FLATDT && |
1652 | !fit_image_check_comp(fit, noffset, IH_COMP_NONE)) { | |
1653 | puts("FDT image is compressed"); | |
1654 | return -EPROTONOSUPPORT; | |
1655 | } | |
1656 | ||
1657 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL); | |
1658 | type_ok = fit_image_check_type(fit, noffset, image_type) || | |
1659 | (image_type == IH_TYPE_KERNEL && | |
1660 | fit_image_check_type(fit, noffset, | |
1661 | IH_TYPE_KERNEL_NOLOAD)); | |
38117231 | 1662 | |
782cfbb2 | 1663 | os_ok = image_type == IH_TYPE_FLATDT || |
38117231 MV |
1664 | fit_image_check_os(fit, noffset, IH_OS_LINUX) || |
1665 | fit_image_check_os(fit, noffset, IH_OS_OPENRTOS); | |
84a07dbf KA |
1666 | |
1667 | /* | |
1668 | * If either of the checks fail, we should report an error, but | |
1669 | * if the image type is coming from the "loadables" field, we | |
1670 | * don't care what it is | |
1671 | */ | |
1672 | if ((!type_ok || !os_ok) && image_type != IH_TYPE_LOADABLE) { | |
38117231 MV |
1673 | fit_image_get_os(fit, noffset, &os); |
1674 | printf("No %s %s %s Image\n", | |
1675 | genimg_get_os_name(os), | |
1676 | genimg_get_arch_name(arch), | |
782cfbb2 SG |
1677 | genimg_get_type_name(image_type)); |
1678 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL); | |
1679 | return -EIO; | |
1680 | } | |
1681 | ||
1682 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL_OK); | |
1683 | ||
1684 | /* get image data address and length */ | |
1685 | if (fit_image_get_data(fit, noffset, &buf, &size)) { | |
1686 | printf("Could not find %s subimage data!\n", prop_name); | |
1687 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_GET_DATA); | |
2f998071 | 1688 | return -ENOENT; |
782cfbb2 SG |
1689 | } |
1690 | len = (ulong)size; | |
1691 | ||
1692 | /* verify that image data is a proper FDT blob */ | |
2f0877c7 | 1693 | if (image_type == IH_TYPE_FLATDT && fdt_check_header(buf)) { |
782cfbb2 SG |
1694 | puts("Subimage data is not a FDT"); |
1695 | return -ENOEXEC; | |
1696 | } | |
1697 | ||
1698 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_GET_DATA_OK); | |
1699 | ||
1700 | /* | |
1701 | * Work-around for eldk-4.2 which gives this warning if we try to | |
e3c83c0a | 1702 | * cast in the unmap_sysmem() call: |
782cfbb2 SG |
1703 | * warning: initialization discards qualifiers from pointer target type |
1704 | */ | |
1705 | { | |
1706 | void *vbuf = (void *)buf; | |
1707 | ||
1708 | data = map_to_sysmem(vbuf); | |
1709 | } | |
1710 | ||
1711 | if (load_op == FIT_LOAD_IGNORED) { | |
1712 | /* Don't load */ | |
1713 | } else if (fit_image_get_load(fit, noffset, &load)) { | |
1714 | if (load_op == FIT_LOAD_REQUIRED) { | |
1715 | printf("Can't get %s subimage load address!\n", | |
1716 | prop_name); | |
1717 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_LOAD); | |
1718 | return -EBADF; | |
1719 | } | |
fe20a81a | 1720 | } else if (load_op != FIT_LOAD_OPTIONAL_NON_ZERO || load) { |
782cfbb2 SG |
1721 | ulong image_start, image_end; |
1722 | ulong load_end; | |
1723 | void *dst; | |
1724 | ||
1725 | /* | |
1726 | * move image data to the load address, | |
1727 | * make sure we don't overwrite initial image | |
1728 | */ | |
1729 | image_start = addr; | |
1730 | image_end = addr + fit_get_size(fit); | |
1731 | ||
1732 | load_end = load + len; | |
1733 | if (image_type != IH_TYPE_KERNEL && | |
1734 | load < image_end && load_end > image_start) { | |
1735 | printf("Error: %s overwritten\n", prop_name); | |
1736 | return -EXDEV; | |
1737 | } | |
1738 | ||
1739 | printf(" Loading %s from 0x%08lx to 0x%08lx\n", | |
1740 | prop_name, data, load); | |
1741 | ||
1742 | dst = map_sysmem(load, len); | |
1743 | memmove(dst, buf, len); | |
1744 | data = load; | |
1745 | } | |
1746 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_LOAD); | |
1747 | ||
1748 | *datap = data; | |
1749 | *lenp = len; | |
1750 | if (fit_unamep) | |
1751 | *fit_unamep = (char *)fit_uname; | |
f320a4d8 SG |
1752 | if (fit_uname_configp) |
1753 | *fit_uname_configp = (char *)fit_uname_config; | |
782cfbb2 SG |
1754 | |
1755 | return noffset; | |
1756 | } | |
90268b87 SG |
1757 | |
1758 | int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch, | |
1759 | ulong *setup_start, ulong *setup_len) | |
1760 | { | |
1761 | int noffset; | |
1762 | ulong addr; | |
1763 | ulong len; | |
1764 | int ret; | |
1765 | ||
1766 | addr = map_to_sysmem(images->fit_hdr_os); | |
1767 | noffset = fit_get_node_from_config(images, FIT_SETUP_PROP, addr); | |
1768 | if (noffset < 0) | |
1769 | return noffset; | |
1770 | ||
1771 | ret = fit_image_load(images, addr, NULL, NULL, arch, | |
1772 | IH_TYPE_X86_SETUP, BOOTSTAGE_ID_FIT_SETUP_START, | |
1773 | FIT_LOAD_REQUIRED, setup_start, &len); | |
1774 | ||
1775 | return ret; | |
1776 | } |