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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" | |
53fbb7e8 SG |
14 | #include <time.h> |
15 | #else | |
eba3fbd6 | 16 | #include <linux/compiler.h> |
020198b0 | 17 | #include <linux/kconfig.h> |
53fbb7e8 | 18 | #include <common.h> |
782cfbb2 | 19 | #include <errno.h> |
0eb25b61 | 20 | #include <mapmem.h> |
782cfbb2 | 21 | #include <asm/io.h> |
169043d8 | 22 | #include <malloc.h> |
782cfbb2 | 23 | DECLARE_GLOBAL_DATA_PTR; |
53fbb7e8 SG |
24 | #endif /* !USE_HOSTCC*/ |
25 | ||
eba3fbd6 | 26 | #include <image.h> |
53fbb7e8 | 27 | #include <bootstage.h> |
53fbb7e8 SG |
28 | #include <u-boot/crc.h> |
29 | #include <u-boot/md5.h> | |
2b9912e6 JH |
30 | #include <u-boot/sha1.h> |
31 | #include <u-boot/sha256.h> | |
53fbb7e8 SG |
32 | |
33 | /*****************************************************************************/ | |
34 | /* New uImage format routines */ | |
35 | /*****************************************************************************/ | |
36 | #ifndef USE_HOSTCC | |
37 | static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr, | |
38 | ulong *addr, const char **name) | |
39 | { | |
40 | const char *sep; | |
41 | ||
42 | *addr = addr_curr; | |
43 | *name = NULL; | |
44 | ||
45 | sep = strchr(spec, sepc); | |
46 | if (sep) { | |
47 | if (sep - spec > 0) | |
48 | *addr = simple_strtoul(spec, NULL, 16); | |
49 | ||
50 | *name = sep + 1; | |
51 | return 1; | |
52 | } | |
53 | ||
54 | return 0; | |
55 | } | |
56 | ||
57 | /** | |
58 | * fit_parse_conf - parse FIT configuration spec | |
59 | * @spec: input string, containing configuration spec | |
60 | * @add_curr: current image address (to be used as a possible default) | |
61 | * @addr: pointer to a ulong variable, will hold FIT image address of a given | |
62 | * configuration | |
63 | * @conf_name double pointer to a char, will hold pointer to a configuration | |
64 | * unit name | |
65 | * | |
069d5945 | 66 | * fit_parse_conf() expects configuration spec in the form of [<addr>]#<conf>, |
53fbb7e8 SG |
67 | * where <addr> is a FIT image address that contains configuration |
68 | * with a <conf> unit name. | |
69 | * | |
70 | * Address part is optional, and if omitted default add_curr will | |
71 | * be used instead. | |
72 | * | |
73 | * returns: | |
74 | * 1 if spec is a valid configuration string, | |
75 | * addr and conf_name are set accordingly | |
76 | * 0 otherwise | |
77 | */ | |
78 | int fit_parse_conf(const char *spec, ulong addr_curr, | |
79 | ulong *addr, const char **conf_name) | |
80 | { | |
81 | return fit_parse_spec(spec, '#', addr_curr, addr, conf_name); | |
82 | } | |
83 | ||
84 | /** | |
85 | * fit_parse_subimage - parse FIT subimage spec | |
86 | * @spec: input string, containing subimage spec | |
87 | * @add_curr: current image address (to be used as a possible default) | |
88 | * @addr: pointer to a ulong variable, will hold FIT image address of a given | |
89 | * subimage | |
90 | * @image_name: double pointer to a char, will hold pointer to a subimage name | |
91 | * | |
069d5945 | 92 | * fit_parse_subimage() expects subimage spec in the form of |
53fbb7e8 SG |
93 | * [<addr>]:<subimage>, where <addr> is a FIT image address that contains |
94 | * subimage with a <subimg> unit name. | |
95 | * | |
96 | * Address part is optional, and if omitted default add_curr will | |
97 | * be used instead. | |
98 | * | |
99 | * returns: | |
100 | * 1 if spec is a valid subimage string, | |
101 | * addr and image_name are set accordingly | |
102 | * 0 otherwise | |
103 | */ | |
104 | int fit_parse_subimage(const char *spec, ulong addr_curr, | |
105 | ulong *addr, const char **image_name) | |
106 | { | |
107 | return fit_parse_spec(spec, ':', addr_curr, addr, image_name); | |
108 | } | |
109 | #endif /* !USE_HOSTCC */ | |
110 | ||
111 | static void fit_get_debug(const void *fit, int noffset, | |
112 | char *prop_name, int err) | |
113 | { | |
114 | debug("Can't get '%s' property from FIT 0x%08lx, node: offset %d, name %s (%s)\n", | |
115 | prop_name, (ulong)fit, noffset, fit_get_name(fit, noffset, NULL), | |
116 | fdt_strerror(err)); | |
117 | } | |
118 | ||
39931f96 GMF |
119 | /** |
120 | * fit_get_subimage_count - get component (sub-image) count | |
121 | * @fit: pointer to the FIT format image header | |
122 | * @images_noffset: offset of images node | |
123 | * | |
124 | * returns: | |
125 | * number of image components | |
126 | */ | |
127 | int fit_get_subimage_count(const void *fit, int images_noffset) | |
128 | { | |
129 | int noffset; | |
130 | int ndepth; | |
131 | int count = 0; | |
132 | ||
133 | /* Process its subnodes, print out component images details */ | |
134 | for (ndepth = 0, count = 0, | |
135 | noffset = fdt_next_node(fit, images_noffset, &ndepth); | |
136 | (noffset >= 0) && (ndepth > 0); | |
137 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
138 | if (ndepth == 1) { | |
139 | count++; | |
140 | } | |
141 | } | |
142 | ||
143 | return count; | |
144 | } | |
145 | ||
87ebee39 | 146 | #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT) |
53fbb7e8 SG |
147 | /** |
148 | * fit_print_contents - prints out the contents of the FIT format image | |
149 | * @fit: pointer to the FIT format image header | |
150 | * @p: pointer to prefix string | |
151 | * | |
152 | * fit_print_contents() formats a multi line FIT image contents description. | |
e17adbb3 | 153 | * The routine prints out FIT image properties (root node level) followed by |
53fbb7e8 SG |
154 | * the details of each component image. |
155 | * | |
156 | * returns: | |
157 | * no returned results | |
158 | */ | |
159 | void fit_print_contents(const void *fit) | |
160 | { | |
161 | char *desc; | |
162 | char *uname; | |
163 | int images_noffset; | |
164 | int confs_noffset; | |
165 | int noffset; | |
166 | int ndepth; | |
167 | int count = 0; | |
168 | int ret; | |
169 | const char *p; | |
170 | time_t timestamp; | |
171 | ||
1fe7d938 SG |
172 | /* Indent string is defined in header image.h */ |
173 | p = IMAGE_INDENT_STRING; | |
53fbb7e8 SG |
174 | |
175 | /* Root node properties */ | |
176 | ret = fit_get_desc(fit, 0, &desc); | |
177 | printf("%sFIT description: ", p); | |
178 | if (ret) | |
179 | printf("unavailable\n"); | |
180 | else | |
181 | printf("%s\n", desc); | |
182 | ||
183 | if (IMAGE_ENABLE_TIMESTAMP) { | |
184 | ret = fit_get_timestamp(fit, 0, ×tamp); | |
185 | printf("%sCreated: ", p); | |
186 | if (ret) | |
187 | printf("unavailable\n"); | |
188 | else | |
189 | genimg_print_time(timestamp); | |
190 | } | |
191 | ||
192 | /* Find images parent node offset */ | |
193 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); | |
194 | if (images_noffset < 0) { | |
195 | printf("Can't find images parent node '%s' (%s)\n", | |
196 | FIT_IMAGES_PATH, fdt_strerror(images_noffset)); | |
197 | return; | |
198 | } | |
199 | ||
200 | /* Process its subnodes, print out component images details */ | |
201 | for (ndepth = 0, count = 0, | |
202 | noffset = fdt_next_node(fit, images_noffset, &ndepth); | |
203 | (noffset >= 0) && (ndepth > 0); | |
204 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
205 | if (ndepth == 1) { | |
206 | /* | |
207 | * Direct child node of the images parent node, | |
208 | * i.e. component image node. | |
209 | */ | |
210 | printf("%s Image %u (%s)\n", p, count++, | |
211 | fit_get_name(fit, noffset, NULL)); | |
212 | ||
213 | fit_image_print(fit, noffset, p); | |
214 | } | |
215 | } | |
216 | ||
217 | /* Find configurations parent node offset */ | |
218 | confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); | |
219 | if (confs_noffset < 0) { | |
220 | debug("Can't get configurations parent node '%s' (%s)\n", | |
221 | FIT_CONFS_PATH, fdt_strerror(confs_noffset)); | |
222 | return; | |
223 | } | |
224 | ||
225 | /* get default configuration unit name from default property */ | |
226 | uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL); | |
227 | if (uname) | |
228 | printf("%s Default Configuration: '%s'\n", p, uname); | |
229 | ||
230 | /* Process its subnodes, print out configurations details */ | |
231 | for (ndepth = 0, count = 0, | |
232 | noffset = fdt_next_node(fit, confs_noffset, &ndepth); | |
233 | (noffset >= 0) && (ndepth > 0); | |
234 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
235 | if (ndepth == 1) { | |
236 | /* | |
237 | * Direct child node of the configurations parent node, | |
238 | * i.e. configuration node. | |
239 | */ | |
240 | printf("%s Configuration %u (%s)\n", p, count++, | |
241 | fit_get_name(fit, noffset, NULL)); | |
242 | ||
243 | fit_conf_print(fit, noffset, p); | |
244 | } | |
245 | } | |
246 | } | |
247 | ||
d8b75360 SG |
248 | /** |
249 | * fit_image_print_data() - prints out the hash node details | |
250 | * @fit: pointer to the FIT format image header | |
251 | * @noffset: offset of the hash node | |
252 | * @p: pointer to prefix string | |
56518e71 | 253 | * @type: Type of information to print ("hash" or "sign") |
d8b75360 | 254 | * |
e17adbb3 | 255 | * fit_image_print_data() lists properties for the processed hash node |
d8b75360 | 256 | * |
56518e71 SG |
257 | * This function avoid using puts() since it prints a newline on the host |
258 | * but does not in U-Boot. | |
259 | * | |
d8b75360 SG |
260 | * returns: |
261 | * no returned results | |
262 | */ | |
56518e71 SG |
263 | static void fit_image_print_data(const void *fit, int noffset, const char *p, |
264 | const char *type) | |
d8b75360 | 265 | { |
56518e71 | 266 | const char *keyname; |
d8b75360 SG |
267 | uint8_t *value; |
268 | int value_len; | |
56518e71 SG |
269 | char *algo; |
270 | int required; | |
271 | int ret, i; | |
d8b75360 | 272 | |
56518e71 | 273 | debug("%s %s node: '%s'\n", p, type, |
d8b75360 | 274 | fit_get_name(fit, noffset, NULL)); |
56518e71 | 275 | printf("%s %s algo: ", p, type); |
d8b75360 SG |
276 | if (fit_image_hash_get_algo(fit, noffset, &algo)) { |
277 | printf("invalid/unsupported\n"); | |
278 | return; | |
279 | } | |
56518e71 SG |
280 | printf("%s", algo); |
281 | keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL); | |
282 | required = fdt_getprop(fit, noffset, "required", NULL) != NULL; | |
283 | if (keyname) | |
284 | printf(":%s", keyname); | |
285 | if (required) | |
286 | printf(" (required)"); | |
287 | printf("\n"); | |
d8b75360 SG |
288 | |
289 | ret = fit_image_hash_get_value(fit, noffset, &value, | |
290 | &value_len); | |
56518e71 | 291 | printf("%s %s value: ", p, type); |
d8b75360 SG |
292 | if (ret) { |
293 | printf("unavailable\n"); | |
294 | } else { | |
295 | for (i = 0; i < value_len; i++) | |
296 | printf("%02x", value[i]); | |
297 | printf("\n"); | |
298 | } | |
299 | ||
56518e71 SG |
300 | debug("%s %s len: %d\n", p, type, value_len); |
301 | ||
302 | /* Signatures have a time stamp */ | |
303 | if (IMAGE_ENABLE_TIMESTAMP && keyname) { | |
304 | time_t timestamp; | |
305 | ||
306 | printf("%s Timestamp: ", p); | |
307 | if (fit_get_timestamp(fit, noffset, ×tamp)) | |
308 | printf("unavailable\n"); | |
309 | else | |
310 | genimg_print_time(timestamp); | |
311 | } | |
d8b75360 SG |
312 | } |
313 | ||
314 | /** | |
315 | * fit_image_print_verification_data() - prints out the hash/signature details | |
316 | * @fit: pointer to the FIT format image header | |
317 | * @noffset: offset of the hash or signature node | |
318 | * @p: pointer to prefix string | |
319 | * | |
e17adbb3 | 320 | * This lists properties for the processed hash node |
d8b75360 SG |
321 | * |
322 | * returns: | |
323 | * no returned results | |
324 | */ | |
325 | static void fit_image_print_verification_data(const void *fit, int noffset, | |
326 | const char *p) | |
327 | { | |
328 | const char *name; | |
329 | ||
330 | /* | |
331 | * Check subnode name, must be equal to "hash" or "signature". | |
332 | * Multiple hash/signature nodes require unique unit node | |
b2267e8a | 333 | * names, e.g. hash-1, hash-2, signature-1, signature-2, etc. |
d8b75360 SG |
334 | */ |
335 | name = fit_get_name(fit, noffset, NULL); | |
56518e71 SG |
336 | if (!strncmp(name, FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME))) { |
337 | fit_image_print_data(fit, noffset, p, "Hash"); | |
338 | } else if (!strncmp(name, FIT_SIG_NODENAME, | |
339 | strlen(FIT_SIG_NODENAME))) { | |
340 | fit_image_print_data(fit, noffset, p, "Sign"); | |
341 | } | |
d8b75360 SG |
342 | } |
343 | ||
53fbb7e8 SG |
344 | /** |
345 | * fit_image_print - prints out the FIT component image details | |
346 | * @fit: pointer to the FIT format image header | |
347 | * @image_noffset: offset of the component image node | |
348 | * @p: pointer to prefix string | |
349 | * | |
e17adbb3 | 350 | * fit_image_print() lists all mandatory properties for the processed component |
53fbb7e8 SG |
351 | * image. If present, hash nodes are printed out as well. Load |
352 | * address for images of type firmware is also printed out. Since the load | |
353 | * address is not mandatory for firmware images, it will be output as | |
354 | * "unavailable" when not present. | |
355 | * | |
356 | * returns: | |
357 | * no returned results | |
358 | */ | |
359 | void fit_image_print(const void *fit, int image_noffset, const char *p) | |
360 | { | |
361 | char *desc; | |
362 | uint8_t type, arch, os, comp; | |
363 | size_t size; | |
364 | ulong load, entry; | |
365 | const void *data; | |
366 | int noffset; | |
367 | int ndepth; | |
368 | int ret; | |
369 | ||
370 | /* Mandatory properties */ | |
371 | ret = fit_get_desc(fit, image_noffset, &desc); | |
372 | printf("%s Description: ", p); | |
373 | if (ret) | |
374 | printf("unavailable\n"); | |
375 | else | |
376 | printf("%s\n", desc); | |
377 | ||
1fd1e2f6 SG |
378 | if (IMAGE_ENABLE_TIMESTAMP) { |
379 | time_t timestamp; | |
380 | ||
381 | ret = fit_get_timestamp(fit, 0, ×tamp); | |
382 | printf("%s Created: ", p); | |
383 | if (ret) | |
384 | printf("unavailable\n"); | |
385 | else | |
386 | genimg_print_time(timestamp); | |
387 | } | |
388 | ||
53fbb7e8 SG |
389 | fit_image_get_type(fit, image_noffset, &type); |
390 | printf("%s Type: %s\n", p, genimg_get_type_name(type)); | |
391 | ||
392 | fit_image_get_comp(fit, image_noffset, &comp); | |
393 | printf("%s Compression: %s\n", p, genimg_get_comp_name(comp)); | |
394 | ||
395 | ret = fit_image_get_data(fit, image_noffset, &data, &size); | |
396 | ||
397 | #ifndef USE_HOSTCC | |
398 | printf("%s Data Start: ", p); | |
c6ac13bd | 399 | if (ret) { |
53fbb7e8 | 400 | printf("unavailable\n"); |
c6ac13bd SG |
401 | } else { |
402 | void *vdata = (void *)data; | |
403 | ||
404 | printf("0x%08lx\n", (ulong)map_to_sysmem(vdata)); | |
405 | } | |
53fbb7e8 SG |
406 | #endif |
407 | ||
408 | printf("%s Data Size: ", p); | |
409 | if (ret) | |
410 | printf("unavailable\n"); | |
411 | else | |
412 | genimg_print_size(size); | |
413 | ||
414 | /* Remaining, type dependent properties */ | |
415 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || | |
416 | (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || | |
417 | (type == IH_TYPE_FLATDT)) { | |
418 | fit_image_get_arch(fit, image_noffset, &arch); | |
419 | printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch)); | |
420 | } | |
421 | ||
422 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK)) { | |
423 | fit_image_get_os(fit, image_noffset, &os); | |
424 | printf("%s OS: %s\n", p, genimg_get_os_name(os)); | |
425 | } | |
426 | ||
427 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || | |
62afc601 MS |
428 | (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK) || |
429 | (type == IH_TYPE_FPGA)) { | |
53fbb7e8 SG |
430 | ret = fit_image_get_load(fit, image_noffset, &load); |
431 | printf("%s Load Address: ", p); | |
432 | if (ret) | |
433 | printf("unavailable\n"); | |
434 | else | |
435 | printf("0x%08lx\n", load); | |
436 | } | |
437 | ||
169043d8 PA |
438 | /* optional load address for FDT */ |
439 | if (type == IH_TYPE_FLATDT && !fit_image_get_load(fit, image_noffset, &load)) | |
440 | printf("%s Load Address: 0x%08lx\n", p, load); | |
441 | ||
53fbb7e8 SG |
442 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || |
443 | (type == IH_TYPE_RAMDISK)) { | |
6004765d | 444 | ret = fit_image_get_entry(fit, image_noffset, &entry); |
53fbb7e8 SG |
445 | printf("%s Entry Point: ", p); |
446 | if (ret) | |
447 | printf("unavailable\n"); | |
448 | else | |
449 | printf("0x%08lx\n", entry); | |
450 | } | |
451 | ||
452 | /* Process all hash subnodes of the component image node */ | |
453 | for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth); | |
454 | (noffset >= 0) && (ndepth > 0); | |
455 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
456 | if (ndepth == 1) { | |
457 | /* Direct child node of the component image node */ | |
d8b75360 | 458 | fit_image_print_verification_data(fit, noffset, p); |
53fbb7e8 SG |
459 | } |
460 | } | |
461 | } | |
39931f96 GMF |
462 | |
463 | #endif /* !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT) */ | |
53fbb7e8 | 464 | |
53fbb7e8 SG |
465 | /** |
466 | * fit_get_desc - get node description property | |
467 | * @fit: pointer to the FIT format image header | |
468 | * @noffset: node offset | |
e17adbb3 | 469 | * @desc: double pointer to the char, will hold pointer to the description |
53fbb7e8 SG |
470 | * |
471 | * fit_get_desc() reads description property from a given node, if | |
e17adbb3 | 472 | * description is found pointer to it is returned in third call argument. |
53fbb7e8 SG |
473 | * |
474 | * returns: | |
475 | * 0, on success | |
476 | * -1, on failure | |
477 | */ | |
478 | int fit_get_desc(const void *fit, int noffset, char **desc) | |
479 | { | |
480 | int len; | |
481 | ||
482 | *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len); | |
483 | if (*desc == NULL) { | |
484 | fit_get_debug(fit, noffset, FIT_DESC_PROP, len); | |
485 | return -1; | |
486 | } | |
487 | ||
488 | return 0; | |
489 | } | |
490 | ||
491 | /** | |
492 | * fit_get_timestamp - get node timestamp property | |
493 | * @fit: pointer to the FIT format image header | |
494 | * @noffset: node offset | |
495 | * @timestamp: pointer to the time_t, will hold read timestamp | |
496 | * | |
e17adbb3 AD |
497 | * fit_get_timestamp() reads timestamp property from given node, if timestamp |
498 | * is found and has a correct size its value is returned in third call | |
53fbb7e8 SG |
499 | * argument. |
500 | * | |
501 | * returns: | |
502 | * 0, on success | |
503 | * -1, on property read failure | |
504 | * -2, on wrong timestamp size | |
505 | */ | |
506 | int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp) | |
507 | { | |
508 | int len; | |
509 | const void *data; | |
510 | ||
511 | data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len); | |
512 | if (data == NULL) { | |
513 | fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len); | |
514 | return -1; | |
515 | } | |
516 | if (len != sizeof(uint32_t)) { | |
517 | debug("FIT timestamp with incorrect size of (%u)\n", len); | |
518 | return -2; | |
519 | } | |
520 | ||
521 | *timestamp = uimage_to_cpu(*((uint32_t *)data)); | |
522 | return 0; | |
523 | } | |
524 | ||
525 | /** | |
526 | * fit_image_get_node - get node offset for component image of a given unit name | |
527 | * @fit: pointer to the FIT format image header | |
528 | * @image_uname: component image node unit name | |
529 | * | |
e17adbb3 | 530 | * fit_image_get_node() finds a component image (within the '/images' |
53fbb7e8 SG |
531 | * node) of a provided unit name. If image is found its node offset is |
532 | * returned to the caller. | |
533 | * | |
534 | * returns: | |
535 | * image node offset when found (>=0) | |
536 | * negative number on failure (FDT_ERR_* code) | |
537 | */ | |
538 | int fit_image_get_node(const void *fit, const char *image_uname) | |
539 | { | |
540 | int noffset, images_noffset; | |
541 | ||
542 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); | |
543 | if (images_noffset < 0) { | |
544 | debug("Can't find images parent node '%s' (%s)\n", | |
545 | FIT_IMAGES_PATH, fdt_strerror(images_noffset)); | |
546 | return images_noffset; | |
547 | } | |
548 | ||
549 | noffset = fdt_subnode_offset(fit, images_noffset, image_uname); | |
550 | if (noffset < 0) { | |
551 | debug("Can't get node offset for image unit name: '%s' (%s)\n", | |
552 | image_uname, fdt_strerror(noffset)); | |
553 | } | |
554 | ||
555 | return noffset; | |
556 | } | |
557 | ||
558 | /** | |
559 | * fit_image_get_os - get os id for a given component image node | |
560 | * @fit: pointer to the FIT format image header | |
561 | * @noffset: component image node offset | |
562 | * @os: pointer to the uint8_t, will hold os numeric id | |
563 | * | |
564 | * fit_image_get_os() finds os property in a given component image node. | |
565 | * If the property is found, its (string) value is translated to the numeric | |
566 | * id which is returned to the caller. | |
567 | * | |
568 | * returns: | |
569 | * 0, on success | |
570 | * -1, on failure | |
571 | */ | |
572 | int fit_image_get_os(const void *fit, int noffset, uint8_t *os) | |
573 | { | |
574 | int len; | |
575 | const void *data; | |
576 | ||
577 | /* Get OS name from property data */ | |
578 | data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len); | |
579 | if (data == NULL) { | |
580 | fit_get_debug(fit, noffset, FIT_OS_PROP, len); | |
581 | *os = -1; | |
582 | return -1; | |
583 | } | |
584 | ||
585 | /* Translate OS name to id */ | |
586 | *os = genimg_get_os_id(data); | |
587 | return 0; | |
588 | } | |
589 | ||
590 | /** | |
591 | * fit_image_get_arch - get arch id for a given component image node | |
592 | * @fit: pointer to the FIT format image header | |
593 | * @noffset: component image node offset | |
594 | * @arch: pointer to the uint8_t, will hold arch numeric id | |
595 | * | |
596 | * fit_image_get_arch() finds arch property in a given component image node. | |
597 | * If the property is found, its (string) value is translated to the numeric | |
598 | * id which is returned to the caller. | |
599 | * | |
600 | * returns: | |
601 | * 0, on success | |
602 | * -1, on failure | |
603 | */ | |
604 | int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch) | |
605 | { | |
606 | int len; | |
607 | const void *data; | |
608 | ||
609 | /* Get architecture name from property data */ | |
610 | data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len); | |
611 | if (data == NULL) { | |
612 | fit_get_debug(fit, noffset, FIT_ARCH_PROP, len); | |
613 | *arch = -1; | |
614 | return -1; | |
615 | } | |
616 | ||
617 | /* Translate architecture name to id */ | |
618 | *arch = genimg_get_arch_id(data); | |
619 | return 0; | |
620 | } | |
621 | ||
622 | /** | |
623 | * fit_image_get_type - get type id for a given component image node | |
624 | * @fit: pointer to the FIT format image header | |
625 | * @noffset: component image node offset | |
626 | * @type: pointer to the uint8_t, will hold type numeric id | |
627 | * | |
628 | * fit_image_get_type() finds type property in a given component image node. | |
629 | * If the property is found, its (string) value is translated to the numeric | |
630 | * id which is returned to the caller. | |
631 | * | |
632 | * returns: | |
633 | * 0, on success | |
634 | * -1, on failure | |
635 | */ | |
636 | int fit_image_get_type(const void *fit, int noffset, uint8_t *type) | |
637 | { | |
638 | int len; | |
639 | const void *data; | |
640 | ||
641 | /* Get image type name from property data */ | |
642 | data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len); | |
643 | if (data == NULL) { | |
644 | fit_get_debug(fit, noffset, FIT_TYPE_PROP, len); | |
645 | *type = -1; | |
646 | return -1; | |
647 | } | |
648 | ||
649 | /* Translate image type name to id */ | |
650 | *type = genimg_get_type_id(data); | |
651 | return 0; | |
652 | } | |
653 | ||
654 | /** | |
655 | * fit_image_get_comp - get comp id for a given component image node | |
656 | * @fit: pointer to the FIT format image header | |
657 | * @noffset: component image node offset | |
658 | * @comp: pointer to the uint8_t, will hold comp numeric id | |
659 | * | |
660 | * fit_image_get_comp() finds comp property in a given component image node. | |
661 | * If the property is found, its (string) value is translated to the numeric | |
662 | * id which is returned to the caller. | |
663 | * | |
664 | * returns: | |
665 | * 0, on success | |
666 | * -1, on failure | |
667 | */ | |
668 | int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp) | |
669 | { | |
670 | int len; | |
671 | const void *data; | |
672 | ||
673 | /* Get compression name from property data */ | |
674 | data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len); | |
675 | if (data == NULL) { | |
676 | fit_get_debug(fit, noffset, FIT_COMP_PROP, len); | |
677 | *comp = -1; | |
678 | return -1; | |
679 | } | |
680 | ||
681 | /* Translate compression name to id */ | |
682 | *comp = genimg_get_comp_id(data); | |
683 | return 0; | |
684 | } | |
685 | ||
6004765d YS |
686 | static int fit_image_get_address(const void *fit, int noffset, char *name, |
687 | ulong *load) | |
688 | { | |
c1913cb7 YS |
689 | int len, cell_len; |
690 | const fdt32_t *cell; | |
691 | uint64_t load64 = 0; | |
6004765d | 692 | |
c1913cb7 YS |
693 | cell = fdt_getprop(fit, noffset, name, &len); |
694 | if (cell == NULL) { | |
6004765d YS |
695 | fit_get_debug(fit, noffset, name, len); |
696 | return -1; | |
697 | } | |
698 | ||
c1913cb7 YS |
699 | if (len > sizeof(ulong)) { |
700 | printf("Unsupported %s address size\n", name); | |
701 | return -1; | |
702 | } | |
703 | ||
704 | cell_len = len >> 2; | |
705 | /* Use load64 to avoid compiling warning for 32-bit target */ | |
706 | while (cell_len--) { | |
707 | load64 = (load64 << 32) | uimage_to_cpu(*cell); | |
708 | cell++; | |
709 | } | |
710 | *load = (ulong)load64; | |
6004765d YS |
711 | |
712 | return 0; | |
713 | } | |
53fbb7e8 SG |
714 | /** |
715 | * fit_image_get_load() - get load addr property for given component image node | |
716 | * @fit: pointer to the FIT format image header | |
717 | * @noffset: component image node offset | |
718 | * @load: pointer to the uint32_t, will hold load address | |
719 | * | |
720 | * fit_image_get_load() finds load address property in a given component | |
721 | * image node. If the property is found, its value is returned to the caller. | |
722 | * | |
723 | * returns: | |
724 | * 0, on success | |
725 | * -1, on failure | |
726 | */ | |
727 | int fit_image_get_load(const void *fit, int noffset, ulong *load) | |
728 | { | |
6004765d | 729 | return fit_image_get_address(fit, noffset, FIT_LOAD_PROP, load); |
53fbb7e8 SG |
730 | } |
731 | ||
732 | /** | |
733 | * fit_image_get_entry() - get entry point address property | |
734 | * @fit: pointer to the FIT format image header | |
735 | * @noffset: component image node offset | |
736 | * @entry: pointer to the uint32_t, will hold entry point address | |
737 | * | |
738 | * This gets the entry point address property for a given component image | |
739 | * node. | |
740 | * | |
741 | * fit_image_get_entry() finds entry point address property in a given | |
742 | * component image node. If the property is found, its value is returned | |
743 | * to the caller. | |
744 | * | |
745 | * returns: | |
746 | * 0, on success | |
747 | * -1, on failure | |
748 | */ | |
749 | int fit_image_get_entry(const void *fit, int noffset, ulong *entry) | |
750 | { | |
6004765d | 751 | return fit_image_get_address(fit, noffset, FIT_ENTRY_PROP, entry); |
53fbb7e8 SG |
752 | } |
753 | ||
754 | /** | |
755 | * fit_image_get_data - get data property and its size for a given component image node | |
756 | * @fit: pointer to the FIT format image header | |
757 | * @noffset: component image node offset | |
758 | * @data: double pointer to void, will hold data property's data address | |
759 | * @size: pointer to size_t, will hold data property's data size | |
760 | * | |
761 | * fit_image_get_data() finds data property in a given component image node. | |
762 | * If the property is found its data start address and size are returned to | |
763 | * the caller. | |
764 | * | |
765 | * returns: | |
766 | * 0, on success | |
767 | * -1, on failure | |
768 | */ | |
769 | int fit_image_get_data(const void *fit, int noffset, | |
770 | const void **data, size_t *size) | |
771 | { | |
772 | int len; | |
773 | ||
774 | *data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len); | |
775 | if (*data == NULL) { | |
776 | fit_get_debug(fit, noffset, FIT_DATA_PROP, len); | |
777 | *size = 0; | |
778 | return -1; | |
779 | } | |
780 | ||
781 | *size = len; | |
782 | return 0; | |
783 | } | |
784 | ||
db1b79b8 | 785 | /** |
786 | * Get 'data-offset' property from a given image node. | |
787 | * | |
788 | * @fit: pointer to the FIT image header | |
789 | * @noffset: component image node offset | |
790 | * @data_offset: holds the data-offset property | |
791 | * | |
792 | * returns: | |
793 | * 0, on success | |
794 | * -ENOENT if the property could not be found | |
795 | */ | |
796 | int fit_image_get_data_offset(const void *fit, int noffset, int *data_offset) | |
797 | { | |
798 | const fdt32_t *val; | |
799 | ||
800 | val = fdt_getprop(fit, noffset, FIT_DATA_OFFSET_PROP, NULL); | |
801 | if (!val) | |
802 | return -ENOENT; | |
803 | ||
804 | *data_offset = fdt32_to_cpu(*val); | |
805 | ||
806 | return 0; | |
807 | } | |
808 | ||
a1be94b6 PF |
809 | /** |
810 | * Get 'data-position' property from a given image node. | |
811 | * | |
812 | * @fit: pointer to the FIT image header | |
813 | * @noffset: component image node offset | |
814 | * @data_position: holds the data-position property | |
815 | * | |
816 | * returns: | |
817 | * 0, on success | |
818 | * -ENOENT if the property could not be found | |
819 | */ | |
820 | int fit_image_get_data_position(const void *fit, int noffset, | |
821 | int *data_position) | |
822 | { | |
823 | const fdt32_t *val; | |
824 | ||
825 | val = fdt_getprop(fit, noffset, FIT_DATA_POSITION_PROP, NULL); | |
826 | if (!val) | |
827 | return -ENOENT; | |
828 | ||
829 | *data_position = fdt32_to_cpu(*val); | |
830 | ||
831 | return 0; | |
832 | } | |
833 | ||
db1b79b8 | 834 | /** |
835 | * Get 'data-size' property from a given image node. | |
836 | * | |
837 | * @fit: pointer to the FIT image header | |
838 | * @noffset: component image node offset | |
839 | * @data_size: holds the data-size property | |
840 | * | |
841 | * returns: | |
842 | * 0, on success | |
843 | * -ENOENT if the property could not be found | |
844 | */ | |
845 | int fit_image_get_data_size(const void *fit, int noffset, int *data_size) | |
846 | { | |
847 | const fdt32_t *val; | |
848 | ||
849 | val = fdt_getprop(fit, noffset, FIT_DATA_SIZE_PROP, NULL); | |
850 | if (!val) | |
851 | return -ENOENT; | |
852 | ||
853 | *data_size = fdt32_to_cpu(*val); | |
854 | ||
855 | return 0; | |
856 | } | |
857 | ||
53fbb7e8 SG |
858 | /** |
859 | * fit_image_hash_get_algo - get hash algorithm name | |
860 | * @fit: pointer to the FIT format image header | |
861 | * @noffset: hash node offset | |
862 | * @algo: double pointer to char, will hold pointer to the algorithm name | |
863 | * | |
864 | * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. | |
865 | * If the property is found its data start address is returned to the caller. | |
866 | * | |
867 | * returns: | |
868 | * 0, on success | |
869 | * -1, on failure | |
870 | */ | |
871 | int fit_image_hash_get_algo(const void *fit, int noffset, char **algo) | |
872 | { | |
873 | int len; | |
874 | ||
875 | *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len); | |
876 | if (*algo == NULL) { | |
877 | fit_get_debug(fit, noffset, FIT_ALGO_PROP, len); | |
878 | return -1; | |
879 | } | |
880 | ||
881 | return 0; | |
882 | } | |
883 | ||
884 | /** | |
885 | * fit_image_hash_get_value - get hash value and length | |
886 | * @fit: pointer to the FIT format image header | |
887 | * @noffset: hash node offset | |
888 | * @value: double pointer to uint8_t, will hold address of a hash value data | |
889 | * @value_len: pointer to an int, will hold hash data length | |
890 | * | |
891 | * fit_image_hash_get_value() finds hash value property in a given hash node. | |
892 | * If the property is found its data start address and size are returned to | |
893 | * the caller. | |
894 | * | |
895 | * returns: | |
896 | * 0, on success | |
897 | * -1, on failure | |
898 | */ | |
899 | int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value, | |
900 | int *value_len) | |
901 | { | |
902 | int len; | |
903 | ||
904 | *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len); | |
905 | if (*value == NULL) { | |
906 | fit_get_debug(fit, noffset, FIT_VALUE_PROP, len); | |
907 | *value_len = 0; | |
908 | return -1; | |
909 | } | |
910 | ||
911 | *value_len = len; | |
912 | return 0; | |
913 | } | |
914 | ||
53fbb7e8 SG |
915 | /** |
916 | * fit_image_hash_get_ignore - get hash ignore flag | |
917 | * @fit: pointer to the FIT format image header | |
918 | * @noffset: hash node offset | |
919 | * @ignore: pointer to an int, will hold hash ignore flag | |
920 | * | |
921 | * fit_image_hash_get_ignore() finds hash ignore property in a given hash node. | |
922 | * If the property is found and non-zero, the hash algorithm is not verified by | |
923 | * u-boot automatically. | |
924 | * | |
925 | * returns: | |
926 | * 0, on ignore not found | |
927 | * value, on ignore found | |
928 | */ | |
ab9efc66 | 929 | static int fit_image_hash_get_ignore(const void *fit, int noffset, int *ignore) |
53fbb7e8 SG |
930 | { |
931 | int len; | |
932 | int *value; | |
933 | ||
934 | value = (int *)fdt_getprop(fit, noffset, FIT_IGNORE_PROP, &len); | |
935 | if (value == NULL || len != sizeof(int)) | |
936 | *ignore = 0; | |
937 | else | |
938 | *ignore = *value; | |
939 | ||
940 | return 0; | |
941 | } | |
53fbb7e8 | 942 | |
7a80de46 SG |
943 | ulong fit_get_end(const void *fit) |
944 | { | |
945 | return map_to_sysmem((void *)(fit + fdt_totalsize(fit))); | |
946 | } | |
947 | ||
53fbb7e8 SG |
948 | /** |
949 | * fit_set_timestamp - set node timestamp property | |
950 | * @fit: pointer to the FIT format image header | |
951 | * @noffset: node offset | |
952 | * @timestamp: timestamp value to be set | |
953 | * | |
954 | * fit_set_timestamp() attempts to set timestamp property in the requested | |
955 | * node and returns operation status to the caller. | |
956 | * | |
957 | * returns: | |
958 | * 0, on success | |
4f427a42 | 959 | * -ENOSPC if no space in device tree, -1 for other error |
53fbb7e8 SG |
960 | */ |
961 | int fit_set_timestamp(void *fit, int noffset, time_t timestamp) | |
962 | { | |
963 | uint32_t t; | |
964 | int ret; | |
965 | ||
966 | t = cpu_to_uimage(timestamp); | |
967 | ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t, | |
968 | sizeof(uint32_t)); | |
969 | if (ret) { | |
8df81e17 SG |
970 | debug("Can't set '%s' property for '%s' node (%s)\n", |
971 | FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL), | |
972 | fdt_strerror(ret)); | |
4f427a42 | 973 | return ret == -FDT_ERR_NOSPACE ? -ENOSPC : -1; |
53fbb7e8 SG |
974 | } |
975 | ||
976 | return 0; | |
977 | } | |
978 | ||
979 | /** | |
980 | * calculate_hash - calculate and return hash for provided input data | |
981 | * @data: pointer to the input data | |
982 | * @data_len: data length | |
983 | * @algo: requested hash algorithm | |
984 | * @value: pointer to the char, will hold hash value data (caller must | |
985 | * allocate enough free space) | |
986 | * value_len: length of the calculated hash | |
987 | * | |
988 | * calculate_hash() computes input data hash according to the requested | |
989 | * algorithm. | |
990 | * Resulting hash value is placed in caller provided 'value' buffer, length | |
991 | * of the calculated hash is returned via value_len pointer argument. | |
992 | * | |
993 | * returns: | |
994 | * 0, on success | |
995 | * -1, when algo is unsupported | |
996 | */ | |
604f23dd | 997 | int calculate_hash(const void *data, int data_len, const char *algo, |
53fbb7e8 SG |
998 | uint8_t *value, int *value_len) |
999 | { | |
87ebee39 | 1000 | if (IMAGE_ENABLE_CRC32 && strcmp(algo, "crc32") == 0) { |
53fbb7e8 SG |
1001 | *((uint32_t *)value) = crc32_wd(0, data, data_len, |
1002 | CHUNKSZ_CRC32); | |
1003 | *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value)); | |
1004 | *value_len = 4; | |
87ebee39 | 1005 | } else if (IMAGE_ENABLE_SHA1 && strcmp(algo, "sha1") == 0) { |
53fbb7e8 SG |
1006 | sha1_csum_wd((unsigned char *)data, data_len, |
1007 | (unsigned char *)value, CHUNKSZ_SHA1); | |
1008 | *value_len = 20; | |
2842c1c2 HS |
1009 | } else if (IMAGE_ENABLE_SHA256 && strcmp(algo, "sha256") == 0) { |
1010 | sha256_csum_wd((unsigned char *)data, data_len, | |
1011 | (unsigned char *)value, CHUNKSZ_SHA256); | |
1012 | *value_len = SHA256_SUM_LEN; | |
87ebee39 | 1013 | } else if (IMAGE_ENABLE_MD5 && strcmp(algo, "md5") == 0) { |
53fbb7e8 SG |
1014 | md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5); |
1015 | *value_len = 16; | |
1016 | } else { | |
1017 | debug("Unsupported hash alogrithm\n"); | |
1018 | return -1; | |
1019 | } | |
1020 | return 0; | |
1021 | } | |
1022 | ||
ab9efc66 SG |
1023 | static int fit_image_check_hash(const void *fit, int noffset, const void *data, |
1024 | size_t size, char **err_msgp) | |
1025 | { | |
1026 | uint8_t value[FIT_MAX_HASH_LEN]; | |
1027 | int value_len; | |
1028 | char *algo; | |
1029 | uint8_t *fit_value; | |
1030 | int fit_value_len; | |
1031 | int ignore; | |
1032 | ||
1033 | *err_msgp = NULL; | |
1034 | ||
1035 | if (fit_image_hash_get_algo(fit, noffset, &algo)) { | |
e754da2a | 1036 | *err_msgp = "Can't get hash algo property"; |
ab9efc66 SG |
1037 | return -1; |
1038 | } | |
1039 | printf("%s", algo); | |
1040 | ||
1041 | if (IMAGE_ENABLE_IGNORE) { | |
1042 | fit_image_hash_get_ignore(fit, noffset, &ignore); | |
1043 | if (ignore) { | |
1044 | printf("-skipped "); | |
1045 | return 0; | |
1046 | } | |
1047 | } | |
1048 | ||
1049 | if (fit_image_hash_get_value(fit, noffset, &fit_value, | |
1050 | &fit_value_len)) { | |
e754da2a | 1051 | *err_msgp = "Can't get hash value property"; |
ab9efc66 SG |
1052 | return -1; |
1053 | } | |
1054 | ||
1055 | if (calculate_hash(data, size, algo, value, &value_len)) { | |
e754da2a | 1056 | *err_msgp = "Unsupported hash algorithm"; |
ab9efc66 SG |
1057 | return -1; |
1058 | } | |
1059 | ||
1060 | if (value_len != fit_value_len) { | |
e754da2a | 1061 | *err_msgp = "Bad hash value len"; |
ab9efc66 SG |
1062 | return -1; |
1063 | } else if (memcmp(value, fit_value, value_len) != 0) { | |
e754da2a | 1064 | *err_msgp = "Bad hash value"; |
ab9efc66 SG |
1065 | return -1; |
1066 | } | |
1067 | ||
1068 | return 0; | |
1069 | } | |
1070 | ||
53fbb7e8 | 1071 | /** |
e17adbb3 | 1072 | * fit_image_verify - verify data integrity |
53fbb7e8 SG |
1073 | * @fit: pointer to the FIT format image header |
1074 | * @image_noffset: component image node offset | |
1075 | * | |
b8da8366 | 1076 | * fit_image_verify() goes over component image hash nodes, |
53fbb7e8 SG |
1077 | * re-calculates each data hash and compares with the value stored in hash |
1078 | * node. | |
1079 | * | |
1080 | * returns: | |
1081 | * 1, if all hashes are valid | |
1082 | * 0, otherwise (or on error) | |
1083 | */ | |
b8da8366 | 1084 | int fit_image_verify(const void *fit, int image_noffset) |
53fbb7e8 SG |
1085 | { |
1086 | const void *data; | |
1087 | size_t size; | |
56518e71 | 1088 | int noffset = 0; |
53fbb7e8 | 1089 | char *err_msg = ""; |
56518e71 SG |
1090 | int verify_all = 1; |
1091 | int ret; | |
53fbb7e8 SG |
1092 | |
1093 | /* Get image data and data length */ | |
1094 | if (fit_image_get_data(fit, image_noffset, &data, &size)) { | |
e754da2a | 1095 | err_msg = "Can't get image data/size"; |
56518e71 SG |
1096 | goto error; |
1097 | } | |
1098 | ||
1099 | /* Verify all required signatures */ | |
1100 | if (IMAGE_ENABLE_VERIFY && | |
1101 | fit_image_verify_required_sigs(fit, image_noffset, data, size, | |
1102 | gd_fdt_blob(), &verify_all)) { | |
1103 | err_msg = "Unable to verify required signature"; | |
1104 | goto error; | |
53fbb7e8 SG |
1105 | } |
1106 | ||
1107 | /* Process all hash subnodes of the component image node */ | |
df87e6b1 | 1108 | fdt_for_each_subnode(noffset, fit, image_noffset) { |
ab9efc66 SG |
1109 | const char *name = fit_get_name(fit, noffset, NULL); |
1110 | ||
1111 | /* | |
1112 | * Check subnode name, must be equal to "hash". | |
1113 | * Multiple hash nodes require unique unit node | |
b2267e8a | 1114 | * names, e.g. hash-1, hash-2, etc. |
ab9efc66 SG |
1115 | */ |
1116 | if (!strncmp(name, FIT_HASH_NODENAME, | |
1117 | strlen(FIT_HASH_NODENAME))) { | |
1118 | if (fit_image_check_hash(fit, noffset, data, size, | |
1119 | &err_msg)) | |
53fbb7e8 | 1120 | goto error; |
ab9efc66 | 1121 | puts("+ "); |
56518e71 SG |
1122 | } else if (IMAGE_ENABLE_VERIFY && verify_all && |
1123 | !strncmp(name, FIT_SIG_NODENAME, | |
1124 | strlen(FIT_SIG_NODENAME))) { | |
1125 | ret = fit_image_check_sig(fit, noffset, data, | |
1126 | size, -1, &err_msg); | |
2e33e761 SG |
1127 | |
1128 | /* | |
1129 | * Show an indication on failure, but do not return | |
1130 | * an error. Only keys marked 'required' can cause | |
1131 | * an image validation failure. See the call to | |
1132 | * fit_image_verify_required_sigs() above. | |
1133 | */ | |
1134 | if (ret) | |
56518e71 SG |
1135 | puts("- "); |
1136 | else | |
1137 | puts("+ "); | |
53fbb7e8 SG |
1138 | } |
1139 | } | |
1140 | ||
1141 | if (noffset == -FDT_ERR_TRUNCATED || noffset == -FDT_ERR_BADSTRUCTURE) { | |
e754da2a | 1142 | err_msg = "Corrupted or truncated tree"; |
53fbb7e8 SG |
1143 | goto error; |
1144 | } | |
1145 | ||
1146 | return 1; | |
1147 | ||
1148 | error: | |
e754da2a | 1149 | printf(" error!\n%s for '%s' hash node in '%s' image node\n", |
53fbb7e8 SG |
1150 | err_msg, fit_get_name(fit, noffset, NULL), |
1151 | fit_get_name(fit, image_noffset, NULL)); | |
1152 | return 0; | |
1153 | } | |
1154 | ||
1155 | /** | |
e17adbb3 | 1156 | * fit_all_image_verify - verify data integrity for all images |
53fbb7e8 SG |
1157 | * @fit: pointer to the FIT format image header |
1158 | * | |
b8da8366 | 1159 | * fit_all_image_verify() goes over all images in the FIT and |
53fbb7e8 SG |
1160 | * for every images checks if all it's hashes are valid. |
1161 | * | |
1162 | * returns: | |
1163 | * 1, if all hashes of all images are valid | |
1164 | * 0, otherwise (or on error) | |
1165 | */ | |
b8da8366 | 1166 | int fit_all_image_verify(const void *fit) |
53fbb7e8 SG |
1167 | { |
1168 | int images_noffset; | |
1169 | int noffset; | |
1170 | int ndepth; | |
1171 | int count; | |
1172 | ||
1173 | /* Find images parent node offset */ | |
1174 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); | |
1175 | if (images_noffset < 0) { | |
1176 | printf("Can't find images parent node '%s' (%s)\n", | |
1177 | FIT_IMAGES_PATH, fdt_strerror(images_noffset)); | |
1178 | return 0; | |
1179 | } | |
1180 | ||
1181 | /* Process all image subnodes, check hashes for each */ | |
1182 | printf("## Checking hash(es) for FIT Image at %08lx ...\n", | |
1183 | (ulong)fit); | |
1184 | for (ndepth = 0, count = 0, | |
1185 | noffset = fdt_next_node(fit, images_noffset, &ndepth); | |
1186 | (noffset >= 0) && (ndepth > 0); | |
1187 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
1188 | if (ndepth == 1) { | |
1189 | /* | |
1190 | * Direct child node of the images parent node, | |
1191 | * i.e. component image node. | |
1192 | */ | |
73223f0e | 1193 | printf(" Hash(es) for Image %u (%s): ", count, |
53fbb7e8 | 1194 | fit_get_name(fit, noffset, NULL)); |
73223f0e | 1195 | count++; |
53fbb7e8 | 1196 | |
b8da8366 | 1197 | if (!fit_image_verify(fit, noffset)) |
53fbb7e8 SG |
1198 | return 0; |
1199 | printf("\n"); | |
1200 | } | |
1201 | } | |
1202 | return 1; | |
1203 | } | |
1204 | ||
1205 | /** | |
1206 | * fit_image_check_os - check whether image node is of a given os type | |
1207 | * @fit: pointer to the FIT format image header | |
1208 | * @noffset: component image node offset | |
1209 | * @os: requested image os | |
1210 | * | |
1211 | * fit_image_check_os() reads image os property and compares its numeric | |
1212 | * id with the requested os. Comparison result is returned to the caller. | |
1213 | * | |
1214 | * returns: | |
1215 | * 1 if image is of given os type | |
1216 | * 0 otherwise (or on error) | |
1217 | */ | |
1218 | int fit_image_check_os(const void *fit, int noffset, uint8_t os) | |
1219 | { | |
1220 | uint8_t image_os; | |
1221 | ||
1222 | if (fit_image_get_os(fit, noffset, &image_os)) | |
1223 | return 0; | |
1224 | return (os == image_os); | |
1225 | } | |
1226 | ||
1227 | /** | |
1228 | * fit_image_check_arch - check whether image node is of a given arch | |
1229 | * @fit: pointer to the FIT format image header | |
1230 | * @noffset: component image node offset | |
1231 | * @arch: requested imagearch | |
1232 | * | |
1233 | * fit_image_check_arch() reads image arch property and compares its numeric | |
1234 | * id with the requested arch. Comparison result is returned to the caller. | |
1235 | * | |
1236 | * returns: | |
1237 | * 1 if image is of given arch | |
1238 | * 0 otherwise (or on error) | |
1239 | */ | |
1240 | int fit_image_check_arch(const void *fit, int noffset, uint8_t arch) | |
1241 | { | |
1242 | uint8_t image_arch; | |
ec6617c3 AW |
1243 | int aarch32_support = 0; |
1244 | ||
1245 | #ifdef CONFIG_ARM64_SUPPORT_AARCH32 | |
1246 | aarch32_support = 1; | |
1247 | #endif | |
53fbb7e8 SG |
1248 | |
1249 | if (fit_image_get_arch(fit, noffset, &image_arch)) | |
1250 | return 0; | |
5bda35cf | 1251 | return (arch == image_arch) || |
ec6617c3 AW |
1252 | (arch == IH_ARCH_I386 && image_arch == IH_ARCH_X86_64) || |
1253 | (arch == IH_ARCH_ARM64 && image_arch == IH_ARCH_ARM && | |
1254 | aarch32_support); | |
53fbb7e8 SG |
1255 | } |
1256 | ||
1257 | /** | |
1258 | * fit_image_check_type - check whether image node is of a given type | |
1259 | * @fit: pointer to the FIT format image header | |
1260 | * @noffset: component image node offset | |
1261 | * @type: requested image type | |
1262 | * | |
1263 | * fit_image_check_type() reads image type property and compares its numeric | |
1264 | * id with the requested type. Comparison result is returned to the caller. | |
1265 | * | |
1266 | * returns: | |
1267 | * 1 if image is of given type | |
1268 | * 0 otherwise (or on error) | |
1269 | */ | |
1270 | int fit_image_check_type(const void *fit, int noffset, uint8_t type) | |
1271 | { | |
1272 | uint8_t image_type; | |
1273 | ||
1274 | if (fit_image_get_type(fit, noffset, &image_type)) | |
1275 | return 0; | |
1276 | return (type == image_type); | |
1277 | } | |
1278 | ||
1279 | /** | |
1280 | * fit_image_check_comp - check whether image node uses given compression | |
1281 | * @fit: pointer to the FIT format image header | |
1282 | * @noffset: component image node offset | |
1283 | * @comp: requested image compression type | |
1284 | * | |
1285 | * fit_image_check_comp() reads image compression property and compares its | |
1286 | * numeric id with the requested compression type. Comparison result is | |
1287 | * returned to the caller. | |
1288 | * | |
1289 | * returns: | |
1290 | * 1 if image uses requested compression | |
1291 | * 0 otherwise (or on error) | |
1292 | */ | |
1293 | int fit_image_check_comp(const void *fit, int noffset, uint8_t comp) | |
1294 | { | |
1295 | uint8_t image_comp; | |
1296 | ||
1297 | if (fit_image_get_comp(fit, noffset, &image_comp)) | |
1298 | return 0; | |
1299 | return (comp == image_comp); | |
1300 | } | |
1301 | ||
1302 | /** | |
1303 | * fit_check_format - sanity check FIT image format | |
1304 | * @fit: pointer to the FIT format image header | |
1305 | * | |
1306 | * fit_check_format() runs a basic sanity FIT image verification. | |
1307 | * Routine checks for mandatory properties, nodes, etc. | |
1308 | * | |
1309 | * returns: | |
1310 | * 1, on success | |
1311 | * 0, on failure | |
1312 | */ | |
1313 | int fit_check_format(const void *fit) | |
1314 | { | |
1315 | /* mandatory / node 'description' property */ | |
1316 | if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) { | |
1317 | debug("Wrong FIT format: no description\n"); | |
1318 | return 0; | |
1319 | } | |
1320 | ||
1321 | if (IMAGE_ENABLE_TIMESTAMP) { | |
1322 | /* mandatory / node 'timestamp' property */ | |
1323 | if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { | |
1324 | debug("Wrong FIT format: no timestamp\n"); | |
1325 | return 0; | |
1326 | } | |
1327 | } | |
1328 | ||
1329 | /* mandatory subimages parent '/images' node */ | |
1330 | if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) { | |
1331 | debug("Wrong FIT format: no images parent node\n"); | |
1332 | return 0; | |
1333 | } | |
1334 | ||
1335 | return 1; | |
1336 | } | |
1337 | ||
1338 | ||
1339 | /** | |
1340 | * fit_conf_find_compat | |
1341 | * @fit: pointer to the FIT format image header | |
1342 | * @fdt: pointer to the device tree to compare against | |
1343 | * | |
1344 | * fit_conf_find_compat() attempts to find the configuration whose fdt is the | |
1345 | * most compatible with the passed in device tree. | |
1346 | * | |
1347 | * Example: | |
1348 | * | |
1349 | * / o image-tree | |
1350 | * |-o images | |
b2267e8a AP |
1351 | * | |-o fdt-1 |
1352 | * | |-o fdt-2 | |
53fbb7e8 SG |
1353 | * | |
1354 | * |-o configurations | |
b2267e8a AP |
1355 | * |-o config-1 |
1356 | * | |-fdt = fdt-1 | |
53fbb7e8 | 1357 | * | |
b2267e8a AP |
1358 | * |-o config-2 |
1359 | * |-fdt = fdt-2 | |
53fbb7e8 SG |
1360 | * |
1361 | * / o U-Boot fdt | |
1362 | * |-compatible = "foo,bar", "bim,bam" | |
1363 | * | |
1364 | * / o kernel fdt1 | |
1365 | * |-compatible = "foo,bar", | |
1366 | * | |
1367 | * / o kernel fdt2 | |
1368 | * |-compatible = "bim,bam", "baz,biz" | |
1369 | * | |
1370 | * Configuration 1 would be picked because the first string in U-Boot's | |
1371 | * compatible list, "foo,bar", matches a compatible string in the root of fdt1. | |
1372 | * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1. | |
1373 | * | |
1374 | * returns: | |
1375 | * offset to the configuration to use if one was found | |
1376 | * -1 otherwise | |
1377 | */ | |
1378 | int fit_conf_find_compat(const void *fit, const void *fdt) | |
1379 | { | |
1380 | int ndepth = 0; | |
1381 | int noffset, confs_noffset, images_noffset; | |
1382 | const void *fdt_compat; | |
1383 | int fdt_compat_len; | |
1384 | int best_match_offset = 0; | |
1385 | int best_match_pos = 0; | |
1386 | ||
1387 | confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); | |
1388 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); | |
1389 | if (confs_noffset < 0 || images_noffset < 0) { | |
1390 | debug("Can't find configurations or images nodes.\n"); | |
1391 | return -1; | |
1392 | } | |
1393 | ||
1394 | fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len); | |
1395 | if (!fdt_compat) { | |
1396 | debug("Fdt for comparison has no \"compatible\" property.\n"); | |
1397 | return -1; | |
1398 | } | |
1399 | ||
1400 | /* | |
1401 | * Loop over the configurations in the FIT image. | |
1402 | */ | |
1403 | for (noffset = fdt_next_node(fit, confs_noffset, &ndepth); | |
1404 | (noffset >= 0) && (ndepth > 0); | |
1405 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
1406 | const void *kfdt; | |
1407 | const char *kfdt_name; | |
1408 | int kfdt_noffset; | |
1409 | const char *cur_fdt_compat; | |
1410 | int len; | |
1411 | size_t size; | |
1412 | int i; | |
1413 | ||
1414 | if (ndepth > 1) | |
1415 | continue; | |
1416 | ||
1417 | kfdt_name = fdt_getprop(fit, noffset, "fdt", &len); | |
1418 | if (!kfdt_name) { | |
1419 | debug("No fdt property found.\n"); | |
1420 | continue; | |
1421 | } | |
1422 | kfdt_noffset = fdt_subnode_offset(fit, images_noffset, | |
1423 | kfdt_name); | |
1424 | if (kfdt_noffset < 0) { | |
1425 | debug("No image node named \"%s\" found.\n", | |
1426 | kfdt_name); | |
1427 | continue; | |
1428 | } | |
1429 | /* | |
1430 | * Get a pointer to this configuration's fdt. | |
1431 | */ | |
1432 | if (fit_image_get_data(fit, kfdt_noffset, &kfdt, &size)) { | |
1433 | debug("Failed to get fdt \"%s\".\n", kfdt_name); | |
1434 | continue; | |
1435 | } | |
1436 | ||
1437 | len = fdt_compat_len; | |
1438 | cur_fdt_compat = fdt_compat; | |
1439 | /* | |
1440 | * Look for a match for each U-Boot compatibility string in | |
1441 | * turn in this configuration's fdt. | |
1442 | */ | |
1443 | for (i = 0; len > 0 && | |
1444 | (!best_match_offset || best_match_pos > i); i++) { | |
1445 | int cur_len = strlen(cur_fdt_compat) + 1; | |
1446 | ||
1447 | if (!fdt_node_check_compatible(kfdt, 0, | |
1448 | cur_fdt_compat)) { | |
1449 | best_match_offset = noffset; | |
1450 | best_match_pos = i; | |
1451 | break; | |
1452 | } | |
1453 | len -= cur_len; | |
1454 | cur_fdt_compat += cur_len; | |
1455 | } | |
1456 | } | |
1457 | if (!best_match_offset) { | |
1458 | debug("No match found.\n"); | |
1459 | return -1; | |
1460 | } | |
1461 | ||
1462 | return best_match_offset; | |
1463 | } | |
1464 | ||
1465 | /** | |
1466 | * fit_conf_get_node - get node offset for configuration of a given unit name | |
1467 | * @fit: pointer to the FIT format image header | |
1468 | * @conf_uname: configuration node unit name | |
1469 | * | |
e17adbb3 AD |
1470 | * fit_conf_get_node() finds a configuration (within the '/configurations' |
1471 | * parent node) of a provided unit name. If configuration is found its node | |
53fbb7e8 SG |
1472 | * offset is returned to the caller. |
1473 | * | |
1474 | * When NULL is provided in second argument fit_conf_get_node() will search | |
1475 | * for a default configuration node instead. Default configuration node unit | |
1f8b546f | 1476 | * name is retrieved from FIT_DEFAULT_PROP property of the '/configurations' |
53fbb7e8 SG |
1477 | * node. |
1478 | * | |
1479 | * returns: | |
1480 | * configuration node offset when found (>=0) | |
1481 | * negative number on failure (FDT_ERR_* code) | |
1482 | */ | |
1483 | int fit_conf_get_node(const void *fit, const char *conf_uname) | |
1484 | { | |
1485 | int noffset, confs_noffset; | |
1486 | int len; | |
169043d8 PA |
1487 | const char *s; |
1488 | char *conf_uname_copy = NULL; | |
53fbb7e8 SG |
1489 | |
1490 | confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); | |
1491 | if (confs_noffset < 0) { | |
1492 | debug("Can't find configurations parent node '%s' (%s)\n", | |
1493 | FIT_CONFS_PATH, fdt_strerror(confs_noffset)); | |
1494 | return confs_noffset; | |
1495 | } | |
1496 | ||
1497 | if (conf_uname == NULL) { | |
1498 | /* get configuration unit name from the default property */ | |
1499 | debug("No configuration specified, trying default...\n"); | |
1500 | conf_uname = (char *)fdt_getprop(fit, confs_noffset, | |
1501 | FIT_DEFAULT_PROP, &len); | |
1502 | if (conf_uname == NULL) { | |
1503 | fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP, | |
1504 | len); | |
1505 | return len; | |
1506 | } | |
1507 | debug("Found default configuration: '%s'\n", conf_uname); | |
1508 | } | |
1509 | ||
169043d8 PA |
1510 | s = strchr(conf_uname, '#'); |
1511 | if (s) { | |
1512 | len = s - conf_uname; | |
1513 | conf_uname_copy = malloc(len + 1); | |
1514 | if (!conf_uname_copy) { | |
1515 | debug("Can't allocate uname copy: '%s'\n", | |
1516 | conf_uname); | |
1517 | return -ENOMEM; | |
1518 | } | |
1519 | memcpy(conf_uname_copy, conf_uname, len); | |
1520 | conf_uname_copy[len] = '\0'; | |
1521 | conf_uname = conf_uname_copy; | |
1522 | } | |
1523 | ||
53fbb7e8 SG |
1524 | noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname); |
1525 | if (noffset < 0) { | |
1526 | debug("Can't get node offset for configuration unit name: '%s' (%s)\n", | |
1527 | conf_uname, fdt_strerror(noffset)); | |
1528 | } | |
1529 | ||
169043d8 PA |
1530 | if (conf_uname_copy) |
1531 | free(conf_uname_copy); | |
1532 | ||
53fbb7e8 SG |
1533 | return noffset; |
1534 | } | |
1535 | ||
ad026adb | 1536 | int fit_conf_get_prop_node_count(const void *fit, int noffset, |
53fbb7e8 SG |
1537 | const char *prop_name) |
1538 | { | |
ad026adb PA |
1539 | return fdt_stringlist_count(fit, noffset, prop_name); |
1540 | } | |
1541 | ||
1542 | int fit_conf_get_prop_node_index(const void *fit, int noffset, | |
1543 | const char *prop_name, int index) | |
1544 | { | |
1545 | const char *uname; | |
53fbb7e8 SG |
1546 | int len; |
1547 | ||
1548 | /* get kernel image unit name from configuration kernel property */ | |
ad026adb | 1549 | uname = fdt_stringlist_get(fit, noffset, prop_name, index, &len); |
53fbb7e8 SG |
1550 | if (uname == NULL) |
1551 | return len; | |
1552 | ||
1553 | return fit_image_get_node(fit, uname); | |
1554 | } | |
1555 | ||
ad026adb PA |
1556 | int fit_conf_get_prop_node(const void *fit, int noffset, |
1557 | const char *prop_name) | |
1558 | { | |
1559 | return fit_conf_get_prop_node_index(fit, noffset, prop_name, 0); | |
1560 | } | |
1561 | ||
53fbb7e8 SG |
1562 | /** |
1563 | * fit_conf_print - prints out the FIT configuration details | |
1564 | * @fit: pointer to the FIT format image header | |
1565 | * @noffset: offset of the configuration node | |
1566 | * @p: pointer to prefix string | |
1567 | * | |
e17adbb3 | 1568 | * fit_conf_print() lists all mandatory properties for the processed |
53fbb7e8 SG |
1569 | * configuration node. |
1570 | * | |
1571 | * returns: | |
1572 | * no returned results | |
1573 | */ | |
1574 | void fit_conf_print(const void *fit, int noffset, const char *p) | |
1575 | { | |
1576 | char *desc; | |
b02e4044 | 1577 | const char *uname; |
53fbb7e8 | 1578 | int ret; |
169043d8 | 1579 | int fdt_index, loadables_index; |
53fbb7e8 SG |
1580 | |
1581 | /* Mandatory properties */ | |
1582 | ret = fit_get_desc(fit, noffset, &desc); | |
1583 | printf("%s Description: ", p); | |
1584 | if (ret) | |
1585 | printf("unavailable\n"); | |
1586 | else | |
1587 | printf("%s\n", desc); | |
1588 | ||
b02e4044 | 1589 | uname = fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL); |
53fbb7e8 SG |
1590 | printf("%s Kernel: ", p); |
1591 | if (uname == NULL) | |
1592 | printf("unavailable\n"); | |
1593 | else | |
1594 | printf("%s\n", uname); | |
1595 | ||
1596 | /* Optional properties */ | |
b02e4044 | 1597 | uname = fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL); |
53fbb7e8 SG |
1598 | if (uname) |
1599 | printf("%s Init Ramdisk: %s\n", p, uname); | |
1600 | ||
169043d8 PA |
1601 | for (fdt_index = 0; |
1602 | uname = fdt_stringlist_get(fit, noffset, FIT_FDT_PROP, | |
1603 | fdt_index, NULL), uname; | |
1604 | fdt_index++) { | |
1605 | ||
1606 | if (fdt_index == 0) | |
1607 | printf("%s FDT: ", p); | |
1608 | else | |
1609 | printf("%s ", p); | |
1610 | printf("%s\n", uname); | |
1611 | } | |
ecf8cd65 | 1612 | |
b02e4044 | 1613 | uname = fdt_getprop(fit, noffset, FIT_FPGA_PROP, NULL); |
ed0cea7c MS |
1614 | if (uname) |
1615 | printf("%s FPGA: %s\n", p, uname); | |
1616 | ||
ecf8cd65 KA |
1617 | /* Print out all of the specified loadables */ |
1618 | for (loadables_index = 0; | |
b02e4044 SG |
1619 | uname = fdt_stringlist_get(fit, noffset, FIT_LOADABLE_PROP, |
1620 | loadables_index, NULL), uname; | |
1621 | loadables_index++) { | |
ecf8cd65 KA |
1622 | if (loadables_index == 0) { |
1623 | printf("%s Loadables: ", p); | |
1624 | } else { | |
1625 | printf("%s ", p); | |
1626 | } | |
1627 | printf("%s\n", uname); | |
1628 | } | |
53fbb7e8 SG |
1629 | } |
1630 | ||
718fecae | 1631 | static int fit_image_select(const void *fit, int rd_noffset, int verify) |
782cfbb2 SG |
1632 | { |
1633 | fit_image_print(fit, rd_noffset, " "); | |
1634 | ||
1635 | if (verify) { | |
1636 | puts(" Verifying Hash Integrity ... "); | |
1637 | if (!fit_image_verify(fit, rd_noffset)) { | |
1638 | puts("Bad Data Hash\n"); | |
1639 | return -EACCES; | |
1640 | } | |
1641 | puts("OK\n"); | |
1642 | } | |
1643 | ||
1644 | return 0; | |
1645 | } | |
1646 | ||
782cfbb2 SG |
1647 | int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name, |
1648 | ulong addr) | |
1649 | { | |
1650 | int cfg_noffset; | |
1651 | void *fit_hdr; | |
1652 | int noffset; | |
1653 | ||
1654 | debug("* %s: using config '%s' from image at 0x%08lx\n", | |
1655 | prop_name, images->fit_uname_cfg, addr); | |
1656 | ||
1657 | /* Check whether configuration has this property defined */ | |
1658 | fit_hdr = map_sysmem(addr, 0); | |
1659 | cfg_noffset = fit_conf_get_node(fit_hdr, images->fit_uname_cfg); | |
1660 | if (cfg_noffset < 0) { | |
1661 | debug("* %s: no such config\n", prop_name); | |
bd86ef11 | 1662 | return -EINVAL; |
782cfbb2 SG |
1663 | } |
1664 | ||
1665 | noffset = fit_conf_get_prop_node(fit_hdr, cfg_noffset, prop_name); | |
1666 | if (noffset < 0) { | |
1667 | debug("* %s: no '%s' in config\n", prop_name, prop_name); | |
bac17b78 | 1668 | return -ENOENT; |
782cfbb2 SG |
1669 | } |
1670 | ||
1671 | return noffset; | |
1672 | } | |
1673 | ||
126cc864 SG |
1674 | /** |
1675 | * fit_get_image_type_property() - get property name for IH_TYPE_... | |
1676 | * | |
1677 | * @return the properly name where we expect to find the image in the | |
1678 | * config node | |
1679 | */ | |
1680 | static const char *fit_get_image_type_property(int type) | |
1681 | { | |
1682 | /* | |
1683 | * This is sort-of available in the uimage_type[] table in image.c | |
e17adbb3 | 1684 | * but we don't have access to the short name, and "fdt" is different |
126cc864 SG |
1685 | * anyway. So let's just keep it here. |
1686 | */ | |
1687 | switch (type) { | |
1688 | case IH_TYPE_FLATDT: | |
1689 | return FIT_FDT_PROP; | |
1690 | case IH_TYPE_KERNEL: | |
1691 | return FIT_KERNEL_PROP; | |
1692 | case IH_TYPE_RAMDISK: | |
1693 | return FIT_RAMDISK_PROP; | |
90268b87 SG |
1694 | case IH_TYPE_X86_SETUP: |
1695 | return FIT_SETUP_PROP; | |
84a07dbf KA |
1696 | case IH_TYPE_LOADABLE: |
1697 | return FIT_LOADABLE_PROP; | |
62afc601 MS |
1698 | case IH_TYPE_FPGA: |
1699 | return FIT_FPGA_PROP; | |
126cc864 SG |
1700 | } |
1701 | ||
1702 | return "unknown"; | |
1703 | } | |
1704 | ||
1705 | int fit_image_load(bootm_headers_t *images, ulong addr, | |
f320a4d8 | 1706 | const char **fit_unamep, const char **fit_uname_configp, |
782cfbb2 SG |
1707 | int arch, int image_type, int bootstage_id, |
1708 | enum fit_load_op load_op, ulong *datap, ulong *lenp) | |
1709 | { | |
1710 | int cfg_noffset, noffset; | |
1711 | const char *fit_uname; | |
f320a4d8 | 1712 | const char *fit_uname_config; |
7c3dc776 | 1713 | const char *fit_base_uname_config; |
782cfbb2 SG |
1714 | const void *fit; |
1715 | const void *buf; | |
1716 | size_t size; | |
1717 | int type_ok, os_ok; | |
1718 | ulong load, data, len; | |
38117231 | 1719 | uint8_t os; |
ec6617c3 AW |
1720 | #ifndef USE_HOSTCC |
1721 | uint8_t os_arch; | |
1722 | #endif | |
126cc864 | 1723 | const char *prop_name; |
782cfbb2 SG |
1724 | int ret; |
1725 | ||
1726 | fit = map_sysmem(addr, 0); | |
1727 | fit_uname = fit_unamep ? *fit_unamep : NULL; | |
f320a4d8 | 1728 | fit_uname_config = fit_uname_configp ? *fit_uname_configp : NULL; |
7c3dc776 | 1729 | fit_base_uname_config = NULL; |
126cc864 | 1730 | prop_name = fit_get_image_type_property(image_type); |
782cfbb2 SG |
1731 | printf("## Loading %s from FIT Image at %08lx ...\n", prop_name, addr); |
1732 | ||
1733 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT); | |
1734 | if (!fit_check_format(fit)) { | |
1735 | printf("Bad FIT %s image format!\n", prop_name); | |
1736 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_FORMAT); | |
1737 | return -ENOEXEC; | |
1738 | } | |
1739 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT_OK); | |
1740 | if (fit_uname) { | |
f150c837 | 1741 | /* get FIT component image node offset */ |
782cfbb2 SG |
1742 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_UNIT_NAME); |
1743 | noffset = fit_image_get_node(fit, fit_uname); | |
1744 | } else { | |
1745 | /* | |
1746 | * no image node unit name, try to get config | |
1747 | * node first. If config unit node name is NULL | |
1748 | * fit_conf_get_node() will try to find default config node | |
1749 | */ | |
1750 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_NO_UNIT_NAME); | |
1751 | if (IMAGE_ENABLE_BEST_MATCH && !fit_uname_config) { | |
1752 | cfg_noffset = fit_conf_find_compat(fit, gd_fdt_blob()); | |
1753 | } else { | |
1754 | cfg_noffset = fit_conf_get_node(fit, | |
1755 | fit_uname_config); | |
1756 | } | |
1757 | if (cfg_noffset < 0) { | |
1758 | puts("Could not find configuration node\n"); | |
1759 | bootstage_error(bootstage_id + | |
1760 | BOOTSTAGE_SUB_NO_UNIT_NAME); | |
1761 | return -ENOENT; | |
1762 | } | |
7c3dc776 PA |
1763 | fit_base_uname_config = fdt_get_name(fit, cfg_noffset, NULL); |
1764 | printf(" Using '%s' configuration\n", fit_base_uname_config); | |
782cfbb2 SG |
1765 | if (image_type == IH_TYPE_KERNEL) { |
1766 | /* Remember (and possibly verify) this config */ | |
7c3dc776 | 1767 | images->fit_uname_cfg = fit_base_uname_config; |
782cfbb2 SG |
1768 | if (IMAGE_ENABLE_VERIFY && images->verify) { |
1769 | puts(" Verifying Hash Integrity ... "); | |
12df2abe | 1770 | if (fit_config_verify(fit, cfg_noffset)) { |
782cfbb2 SG |
1771 | puts("Bad Data Hash\n"); |
1772 | bootstage_error(bootstage_id + | |
1773 | BOOTSTAGE_SUB_HASH); | |
1774 | return -EACCES; | |
1775 | } | |
1776 | puts("OK\n"); | |
1777 | } | |
1778 | bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG); | |
1779 | } | |
1780 | ||
1781 | noffset = fit_conf_get_prop_node(fit, cfg_noffset, | |
1782 | prop_name); | |
1783 | fit_uname = fit_get_name(fit, noffset, NULL); | |
1784 | } | |
1785 | if (noffset < 0) { | |
1786 | puts("Could not find subimage node\n"); | |
1787 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_SUBNODE); | |
1788 | return -ENOENT; | |
1789 | } | |
1790 | ||
1791 | printf(" Trying '%s' %s subimage\n", fit_uname, prop_name); | |
1792 | ||
1793 | ret = fit_image_select(fit, noffset, images->verify); | |
1794 | if (ret) { | |
1795 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_HASH); | |
1796 | return ret; | |
1797 | } | |
1798 | ||
1799 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH); | |
5ba63dd4 | 1800 | #if !defined(USE_HOSTCC) && !defined(CONFIG_SANDBOX) |
782cfbb2 SG |
1801 | if (!fit_image_check_target_arch(fit, noffset)) { |
1802 | puts("Unsupported Architecture\n"); | |
1803 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH); | |
1804 | return -ENOEXEC; | |
1805 | } | |
ce1400f6 | 1806 | #endif |
ec6617c3 AW |
1807 | |
1808 | #ifndef USE_HOSTCC | |
1809 | fit_image_get_arch(fit, noffset, &os_arch); | |
1810 | images->os.arch = os_arch; | |
1811 | #endif | |
1812 | ||
782cfbb2 SG |
1813 | if (image_type == IH_TYPE_FLATDT && |
1814 | !fit_image_check_comp(fit, noffset, IH_COMP_NONE)) { | |
1815 | puts("FDT image is compressed"); | |
1816 | return -EPROTONOSUPPORT; | |
1817 | } | |
1818 | ||
1819 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL); | |
1820 | type_ok = fit_image_check_type(fit, noffset, image_type) || | |
e8fb4358 | 1821 | fit_image_check_type(fit, noffset, IH_TYPE_FIRMWARE) || |
1822 | (image_type == IH_TYPE_KERNEL && | |
1823 | fit_image_check_type(fit, noffset, IH_TYPE_KERNEL_NOLOAD)); | |
38117231 | 1824 | |
950fe26d AB |
1825 | os_ok = image_type == IH_TYPE_FLATDT || |
1826 | image_type == IH_TYPE_FPGA || | |
38117231 | 1827 | fit_image_check_os(fit, noffset, IH_OS_LINUX) || |
e8fb4358 | 1828 | fit_image_check_os(fit, noffset, IH_OS_U_BOOT) || |
38117231 | 1829 | fit_image_check_os(fit, noffset, IH_OS_OPENRTOS); |
84a07dbf KA |
1830 | |
1831 | /* | |
1832 | * If either of the checks fail, we should report an error, but | |
1833 | * if the image type is coming from the "loadables" field, we | |
1834 | * don't care what it is | |
1835 | */ | |
1836 | if ((!type_ok || !os_ok) && image_type != IH_TYPE_LOADABLE) { | |
38117231 MV |
1837 | fit_image_get_os(fit, noffset, &os); |
1838 | printf("No %s %s %s Image\n", | |
1839 | genimg_get_os_name(os), | |
1840 | genimg_get_arch_name(arch), | |
782cfbb2 SG |
1841 | genimg_get_type_name(image_type)); |
1842 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL); | |
1843 | return -EIO; | |
1844 | } | |
1845 | ||
1846 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL_OK); | |
1847 | ||
1848 | /* get image data address and length */ | |
1849 | if (fit_image_get_data(fit, noffset, &buf, &size)) { | |
1850 | printf("Could not find %s subimage data!\n", prop_name); | |
1851 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_GET_DATA); | |
2f998071 | 1852 | return -ENOENT; |
782cfbb2 | 1853 | } |
44402fe7 AD |
1854 | |
1855 | #if !defined(USE_HOSTCC) && defined(CONFIG_FIT_IMAGE_POST_PROCESS) | |
1856 | /* perform any post-processing on the image data */ | |
1857 | board_fit_image_post_process((void **)&buf, &size); | |
1858 | #endif | |
1859 | ||
782cfbb2 SG |
1860 | len = (ulong)size; |
1861 | ||
1862 | /* verify that image data is a proper FDT blob */ | |
2f0877c7 | 1863 | if (image_type == IH_TYPE_FLATDT && fdt_check_header(buf)) { |
782cfbb2 SG |
1864 | puts("Subimage data is not a FDT"); |
1865 | return -ENOEXEC; | |
1866 | } | |
1867 | ||
1868 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_GET_DATA_OK); | |
1869 | ||
1870 | /* | |
1871 | * Work-around for eldk-4.2 which gives this warning if we try to | |
e3c83c0a | 1872 | * cast in the unmap_sysmem() call: |
782cfbb2 SG |
1873 | * warning: initialization discards qualifiers from pointer target type |
1874 | */ | |
1875 | { | |
1876 | void *vbuf = (void *)buf; | |
1877 | ||
1878 | data = map_to_sysmem(vbuf); | |
1879 | } | |
1880 | ||
1881 | if (load_op == FIT_LOAD_IGNORED) { | |
1882 | /* Don't load */ | |
1883 | } else if (fit_image_get_load(fit, noffset, &load)) { | |
1884 | if (load_op == FIT_LOAD_REQUIRED) { | |
1885 | printf("Can't get %s subimage load address!\n", | |
1886 | prop_name); | |
1887 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_LOAD); | |
1888 | return -EBADF; | |
1889 | } | |
fe20a81a | 1890 | } else if (load_op != FIT_LOAD_OPTIONAL_NON_ZERO || load) { |
782cfbb2 SG |
1891 | ulong image_start, image_end; |
1892 | ulong load_end; | |
1893 | void *dst; | |
1894 | ||
1895 | /* | |
1896 | * move image data to the load address, | |
1897 | * make sure we don't overwrite initial image | |
1898 | */ | |
1899 | image_start = addr; | |
1900 | image_end = addr + fit_get_size(fit); | |
1901 | ||
1902 | load_end = load + len; | |
1903 | if (image_type != IH_TYPE_KERNEL && | |
1904 | load < image_end && load_end > image_start) { | |
1905 | printf("Error: %s overwritten\n", prop_name); | |
1906 | return -EXDEV; | |
1907 | } | |
1908 | ||
1909 | printf(" Loading %s from 0x%08lx to 0x%08lx\n", | |
1910 | prop_name, data, load); | |
1911 | ||
1912 | dst = map_sysmem(load, len); | |
1913 | memmove(dst, buf, len); | |
1914 | data = load; | |
1915 | } | |
1916 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_LOAD); | |
1917 | ||
1918 | *datap = data; | |
1919 | *lenp = len; | |
1920 | if (fit_unamep) | |
1921 | *fit_unamep = (char *)fit_uname; | |
f320a4d8 | 1922 | if (fit_uname_configp) |
7c3dc776 PA |
1923 | *fit_uname_configp = (char *)(fit_uname_config ? : |
1924 | fit_base_uname_config); | |
782cfbb2 SG |
1925 | |
1926 | return noffset; | |
1927 | } | |
90268b87 SG |
1928 | |
1929 | int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch, | |
1930 | ulong *setup_start, ulong *setup_len) | |
1931 | { | |
1932 | int noffset; | |
1933 | ulong addr; | |
1934 | ulong len; | |
1935 | int ret; | |
1936 | ||
1937 | addr = map_to_sysmem(images->fit_hdr_os); | |
1938 | noffset = fit_get_node_from_config(images, FIT_SETUP_PROP, addr); | |
1939 | if (noffset < 0) | |
1940 | return noffset; | |
1941 | ||
1942 | ret = fit_image_load(images, addr, NULL, NULL, arch, | |
1943 | IH_TYPE_X86_SETUP, BOOTSTAGE_ID_FIT_SETUP_START, | |
1944 | FIT_LOAD_REQUIRED, setup_start, &len); | |
1945 | ||
1946 | return ret; | |
1947 | } | |
169043d8 PA |
1948 | |
1949 | #ifndef USE_HOSTCC | |
1950 | int boot_get_fdt_fit(bootm_headers_t *images, ulong addr, | |
1951 | const char **fit_unamep, const char **fit_uname_configp, | |
1952 | int arch, ulong *datap, ulong *lenp) | |
1953 | { | |
1954 | int fdt_noffset, cfg_noffset, count; | |
1955 | const void *fit; | |
1956 | const char *fit_uname = NULL; | |
1957 | const char *fit_uname_config = NULL; | |
1958 | char *fit_uname_config_copy = NULL; | |
1959 | char *next_config = NULL; | |
1960 | ulong load, len; | |
1961 | #ifdef CONFIG_OF_LIBFDT_OVERLAY | |
1962 | ulong image_start, image_end; | |
1963 | ulong ovload, ovlen; | |
1964 | const char *uconfig; | |
1965 | const char *uname; | |
1966 | void *base, *ov; | |
1967 | int i, err, noffset, ov_noffset; | |
1968 | #endif | |
1969 | ||
1970 | fit_uname = fit_unamep ? *fit_unamep : NULL; | |
1971 | ||
1972 | if (fit_uname_configp && *fit_uname_configp) { | |
1973 | fit_uname_config_copy = strdup(*fit_uname_configp); | |
1974 | if (!fit_uname_config_copy) | |
1975 | return -ENOMEM; | |
1976 | ||
1977 | next_config = strchr(fit_uname_config_copy, '#'); | |
1978 | if (next_config) | |
1979 | *next_config++ = '\0'; | |
1980 | if (next_config - 1 > fit_uname_config_copy) | |
1981 | fit_uname_config = fit_uname_config_copy; | |
1982 | } | |
1983 | ||
1984 | fdt_noffset = fit_image_load(images, | |
1985 | addr, &fit_uname, &fit_uname_config, | |
1986 | arch, IH_TYPE_FLATDT, | |
1987 | BOOTSTAGE_ID_FIT_FDT_START, | |
1988 | FIT_LOAD_OPTIONAL, &load, &len); | |
1989 | ||
1990 | if (fdt_noffset < 0) | |
1991 | goto out; | |
1992 | ||
1993 | debug("fit_uname=%s, fit_uname_config=%s\n", | |
1994 | fit_uname ? fit_uname : "<NULL>", | |
1995 | fit_uname_config ? fit_uname_config : "<NULL>"); | |
1996 | ||
1997 | fit = map_sysmem(addr, 0); | |
1998 | ||
1999 | cfg_noffset = fit_conf_get_node(fit, fit_uname_config); | |
2000 | ||
2001 | /* single blob, or error just return as well */ | |
2002 | count = fit_conf_get_prop_node_count(fit, cfg_noffset, FIT_FDT_PROP); | |
2003 | if (count <= 1 && !next_config) | |
2004 | goto out; | |
2005 | ||
2006 | /* we need to apply overlays */ | |
2007 | ||
2008 | #ifdef CONFIG_OF_LIBFDT_OVERLAY | |
2009 | image_start = addr; | |
2010 | image_end = addr + fit_get_size(fit); | |
2011 | /* verify that relocation took place by load address not being in fit */ | |
2012 | if (load >= image_start && load < image_end) { | |
2013 | /* check is simplified; fit load checks for overlaps */ | |
2014 | printf("Overlayed FDT requires relocation\n"); | |
2015 | fdt_noffset = -EBADF; | |
2016 | goto out; | |
2017 | } | |
2018 | ||
2019 | base = map_sysmem(load, len); | |
2020 | ||
2021 | /* apply extra configs in FIT first, followed by args */ | |
2022 | for (i = 1; ; i++) { | |
2023 | if (i < count) { | |
2024 | noffset = fit_conf_get_prop_node_index(fit, cfg_noffset, | |
2025 | FIT_FDT_PROP, i); | |
2026 | uname = fit_get_name(fit, noffset, NULL); | |
2027 | uconfig = NULL; | |
2028 | } else { | |
2029 | if (!next_config) | |
2030 | break; | |
2031 | uconfig = next_config; | |
2032 | next_config = strchr(next_config, '#'); | |
2033 | if (next_config) | |
2034 | *next_config++ = '\0'; | |
2035 | uname = NULL; | |
2036 | } | |
2037 | ||
2038 | debug("%d: using uname=%s uconfig=%s\n", i, uname, uconfig); | |
2039 | ||
2040 | ov_noffset = fit_image_load(images, | |
2041 | addr, &uname, &uconfig, | |
2042 | arch, IH_TYPE_FLATDT, | |
2043 | BOOTSTAGE_ID_FIT_FDT_START, | |
2044 | FIT_LOAD_REQUIRED, &ovload, &ovlen); | |
2045 | if (ov_noffset < 0) { | |
2046 | printf("load of %s failed\n", uname); | |
2047 | continue; | |
2048 | } | |
2049 | debug("%s loaded at 0x%08lx len=0x%08lx\n", | |
2050 | uname, ovload, ovlen); | |
2051 | ov = map_sysmem(ovload, ovlen); | |
2052 | ||
2053 | base = map_sysmem(load, len + ovlen); | |
2054 | err = fdt_open_into(base, base, len + ovlen); | |
2055 | if (err < 0) { | |
2056 | printf("failed on fdt_open_into\n"); | |
2057 | fdt_noffset = err; | |
2058 | goto out; | |
2059 | } | |
2060 | /* the verbose method prints out messages on error */ | |
2061 | err = fdt_overlay_apply_verbose(base, ov); | |
2062 | if (err < 0) { | |
2063 | fdt_noffset = err; | |
2064 | goto out; | |
2065 | } | |
2066 | fdt_pack(base); | |
2067 | len = fdt_totalsize(base); | |
2068 | } | |
2069 | #else | |
2070 | printf("config with overlays but CONFIG_OF_LIBFDT_OVERLAY not set\n"); | |
2071 | fdt_noffset = -EBADF; | |
2072 | #endif | |
2073 | ||
2074 | out: | |
2075 | if (datap) | |
2076 | *datap = load; | |
2077 | if (lenp) | |
2078 | *lenp = len; | |
2079 | if (fit_unamep) | |
2080 | *fit_unamep = fit_uname; | |
2081 | if (fit_uname_configp) | |
2082 | *fit_uname_configp = fit_uname_config; | |
2083 | ||
2084 | if (fit_uname_config_copy) | |
2085 | free(fit_uname_config_copy); | |
2086 | return fdt_noffset; | |
2087 | } | |
2088 | #endif |