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Commit | Line | Data |
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89a4d6b1 PW |
1 | /* |
2 | * (C) Copyright 2008 Semihalf | |
3 | * | |
4 | * (C) Copyright 2000-2004 | |
5 | * DENX Software Engineering | |
6 | * Wolfgang Denk, wd@denx.de | |
7 | * | |
8 | * Updated-by: Prafulla Wadaskar <prafulla@marvell.com> | |
9 | * FIT image specific code abstracted from mkimage.c | |
10 | * some functions added to address abstraction | |
11 | * | |
12 | * All rights reserved. | |
13 | * | |
1a459660 | 14 | * SPDX-License-Identifier: GPL-2.0+ |
89a4d6b1 PW |
15 | */ |
16 | ||
f86ed6a8 | 17 | #include "imagetool.h" |
6bf4ca07 | 18 | #include "fit_common.h" |
89a4d6b1 PW |
19 | #include "mkimage.h" |
20 | #include <image.h> | |
8e35bb07 SG |
21 | #include <stdarg.h> |
22 | #include <version.h> | |
89a4d6b1 PW |
23 | #include <u-boot/crc.h> |
24 | ||
25 | static image_header_t header; | |
26 | ||
a9468115 SG |
27 | static int fit_add_file_data(struct image_tool_params *params, size_t size_inc, |
28 | const char *tmpfile) | |
29 | { | |
30 | int tfd, destfd = 0; | |
31 | void *dest_blob = NULL; | |
32 | off_t destfd_size = 0; | |
33 | struct stat sbuf; | |
34 | void *ptr; | |
35 | int ret = 0; | |
36 | ||
37 | tfd = mmap_fdt(params->cmdname, tmpfile, size_inc, &ptr, &sbuf, true); | |
38 | if (tfd < 0) | |
39 | return -EIO; | |
40 | ||
41 | if (params->keydest) { | |
42 | struct stat dest_sbuf; | |
43 | ||
44 | destfd = mmap_fdt(params->cmdname, params->keydest, size_inc, | |
45 | &dest_blob, &dest_sbuf, false); | |
46 | if (destfd < 0) { | |
47 | ret = -EIO; | |
48 | goto err_keydest; | |
49 | } | |
50 | destfd_size = dest_sbuf.st_size; | |
51 | } | |
52 | ||
53 | /* for first image creation, add a timestamp at offset 0 i.e., root */ | |
54 | if (params->datafile) | |
55 | ret = fit_set_timestamp(ptr, 0, sbuf.st_mtime); | |
56 | ||
57 | if (!ret) { | |
58 | ret = fit_add_verification_data(params->keydir, dest_blob, ptr, | |
59 | params->comment, | |
60 | params->require_keys); | |
61 | } | |
62 | ||
63 | if (dest_blob) { | |
64 | munmap(dest_blob, destfd_size); | |
65 | close(destfd); | |
66 | } | |
67 | ||
68 | err_keydest: | |
69 | munmap(ptr, sbuf.st_size); | |
70 | close(tfd); | |
71 | ||
72 | return ret; | |
73 | } | |
74 | ||
8e35bb07 SG |
75 | /** |
76 | * fit_calc_size() - Calculate the approximate size of the FIT we will generate | |
77 | */ | |
78 | static int fit_calc_size(struct image_tool_params *params) | |
79 | { | |
fb4cce0f | 80 | struct content_info *cont; |
8e35bb07 SG |
81 | int size, total_size; |
82 | ||
83 | size = imagetool_get_filesize(params, params->datafile); | |
84 | if (size < 0) | |
85 | return -1; | |
86 | ||
87 | total_size = size; | |
fb4cce0f SG |
88 | for (cont = params->content_head; cont; cont = cont->next) { |
89 | size = imagetool_get_filesize(params, cont->fname); | |
90 | if (size < 0) | |
91 | return -1; | |
8e35bb07 | 92 | |
fb4cce0f SG |
93 | /* Add space for properties */ |
94 | total_size += size + 300; | |
95 | } | |
8e35bb07 SG |
96 | |
97 | /* Add plenty of space for headers, properties, nodes, etc. */ | |
98 | total_size += 4096; | |
99 | ||
100 | return total_size; | |
101 | } | |
102 | ||
103 | static int fdt_property_file(struct image_tool_params *params, | |
104 | void *fdt, const char *name, const char *fname) | |
105 | { | |
106 | struct stat sbuf; | |
107 | void *ptr; | |
108 | int ret; | |
109 | int fd; | |
110 | ||
111 | fd = open(fname, O_RDWR | O_BINARY); | |
112 | if (fd < 0) { | |
113 | fprintf(stderr, "%s: Can't open %s: %s\n", | |
114 | params->cmdname, fname, strerror(errno)); | |
115 | return -1; | |
116 | } | |
117 | ||
118 | if (fstat(fd, &sbuf) < 0) { | |
119 | fprintf(stderr, "%s: Can't stat %s: %s\n", | |
120 | params->cmdname, fname, strerror(errno)); | |
121 | goto err; | |
122 | } | |
123 | ||
124 | ret = fdt_property_placeholder(fdt, "data", sbuf.st_size, &ptr); | |
125 | if (ret) | |
3bd3a54a | 126 | goto err; |
8e35bb07 SG |
127 | ret = read(fd, ptr, sbuf.st_size); |
128 | if (ret != sbuf.st_size) { | |
129 | fprintf(stderr, "%s: Can't read %s: %s\n", | |
130 | params->cmdname, fname, strerror(errno)); | |
131 | goto err; | |
132 | } | |
3bd3a54a | 133 | close(fd); |
8e35bb07 SG |
134 | |
135 | return 0; | |
136 | err: | |
137 | close(fd); | |
138 | return -1; | |
139 | } | |
140 | ||
141 | static int fdt_property_strf(void *fdt, const char *name, const char *fmt, ...) | |
142 | { | |
143 | char str[100]; | |
144 | va_list ptr; | |
145 | ||
146 | va_start(ptr, fmt); | |
147 | vsnprintf(str, sizeof(str), fmt, ptr); | |
148 | va_end(ptr); | |
149 | return fdt_property_string(fdt, name, str); | |
150 | } | |
151 | ||
fb4cce0f SG |
152 | static void get_basename(char *str, int size, const char *fname) |
153 | { | |
154 | const char *p, *start, *end; | |
155 | int len; | |
156 | ||
157 | /* | |
158 | * Use the base name as the 'name' field. So for example: | |
159 | * | |
160 | * "arch/arm/dts/sun7i-a20-bananapro.dtb" | |
161 | * becomes "sun7i-a20-bananapro" | |
162 | */ | |
163 | p = strrchr(fname, '/'); | |
164 | start = p ? p + 1 : fname; | |
165 | p = strrchr(fname, '.'); | |
166 | end = p ? p : fname + strlen(fname); | |
167 | len = end - start; | |
168 | if (len >= size) | |
169 | len = size - 1; | |
170 | memcpy(str, start, len); | |
171 | str[len] = '\0'; | |
172 | } | |
173 | ||
8e35bb07 SG |
174 | /** |
175 | * fit_write_images() - Write out a list of images to the FIT | |
176 | * | |
fb4cce0f SG |
177 | * We always include the main image (params->datafile). If there are device |
178 | * tree files, we include an fdt@ node for each of those too. | |
8e35bb07 SG |
179 | */ |
180 | static int fit_write_images(struct image_tool_params *params, char *fdt) | |
181 | { | |
fb4cce0f | 182 | struct content_info *cont; |
8e35bb07 SG |
183 | const char *typename; |
184 | char str[100]; | |
fb4cce0f | 185 | int upto; |
8e35bb07 SG |
186 | int ret; |
187 | ||
188 | fdt_begin_node(fdt, "images"); | |
189 | ||
190 | /* First the main image */ | |
191 | typename = genimg_get_type_short_name(params->fit_image_type); | |
192 | snprintf(str, sizeof(str), "%s@1", typename); | |
193 | fdt_begin_node(fdt, str); | |
194 | fdt_property_string(fdt, "description", params->imagename); | |
195 | fdt_property_string(fdt, "type", typename); | |
196 | fdt_property_string(fdt, "arch", genimg_get_arch_name(params->arch)); | |
197 | fdt_property_string(fdt, "os", genimg_get_os_short_name(params->os)); | |
198 | fdt_property_string(fdt, "compression", | |
199 | genimg_get_comp_short_name(params->comp)); | |
200 | fdt_property_u32(fdt, "load", params->addr); | |
201 | fdt_property_u32(fdt, "entry", params->ep); | |
202 | ||
203 | /* | |
204 | * Put data last since it is large. SPL may only load the first part | |
205 | * of the DT, so this way it can access all the above fields. | |
206 | */ | |
207 | ret = fdt_property_file(params, fdt, "data", params->datafile); | |
208 | if (ret) | |
209 | return ret; | |
210 | fdt_end_node(fdt); | |
211 | ||
fb4cce0f SG |
212 | /* Now the device tree files if available */ |
213 | upto = 0; | |
214 | for (cont = params->content_head; cont; cont = cont->next) { | |
215 | if (cont->type != IH_TYPE_FLATDT) | |
216 | continue; | |
217 | snprintf(str, sizeof(str), "%s@%d", FIT_FDT_PROP, ++upto); | |
218 | fdt_begin_node(fdt, str); | |
219 | ||
220 | get_basename(str, sizeof(str), cont->fname); | |
221 | fdt_property_string(fdt, "description", str); | |
222 | ret = fdt_property_file(params, fdt, "data", cont->fname); | |
223 | if (ret) | |
224 | return ret; | |
225 | fdt_property_string(fdt, "type", typename); | |
226 | fdt_property_string(fdt, "arch", | |
227 | genimg_get_arch_short_name(params->arch)); | |
228 | fdt_property_string(fdt, "compression", | |
229 | genimg_get_comp_short_name(IH_COMP_NONE)); | |
230 | fdt_end_node(fdt); | |
231 | } | |
232 | ||
8e35bb07 SG |
233 | fdt_end_node(fdt); |
234 | ||
235 | return 0; | |
236 | } | |
237 | ||
238 | /** | |
239 | * fit_write_configs() - Write out a list of configurations to the FIT | |
240 | * | |
fb4cce0f SG |
241 | * If there are device tree files, we include a configuration for each, which |
242 | * selects the main image (params->datafile) and its corresponding device | |
243 | * tree file. | |
244 | * | |
245 | * Otherwise we just create a configuration with the main image in it. | |
8e35bb07 SG |
246 | */ |
247 | static void fit_write_configs(struct image_tool_params *params, char *fdt) | |
248 | { | |
fb4cce0f | 249 | struct content_info *cont; |
8e35bb07 SG |
250 | const char *typename; |
251 | char str[100]; | |
fb4cce0f | 252 | int upto; |
8e35bb07 SG |
253 | |
254 | fdt_begin_node(fdt, "configurations"); | |
255 | fdt_property_string(fdt, "default", "conf@1"); | |
256 | ||
fb4cce0f SG |
257 | upto = 0; |
258 | for (cont = params->content_head; cont; cont = cont->next) { | |
259 | if (cont->type != IH_TYPE_FLATDT) | |
260 | continue; | |
261 | typename = genimg_get_type_short_name(cont->type); | |
262 | snprintf(str, sizeof(str), "conf@%d", ++upto); | |
263 | fdt_begin_node(fdt, str); | |
264 | ||
265 | get_basename(str, sizeof(str), cont->fname); | |
266 | fdt_property_string(fdt, "description", str); | |
267 | ||
268 | typename = genimg_get_type_short_name(params->fit_image_type); | |
269 | snprintf(str, sizeof(str), "%s@1", typename); | |
270 | fdt_property_string(fdt, typename, str); | |
271 | ||
272 | snprintf(str, sizeof(str), FIT_FDT_PROP "@%d", upto); | |
273 | fdt_property_string(fdt, FIT_FDT_PROP, str); | |
274 | fdt_end_node(fdt); | |
275 | } | |
276 | if (!upto) { | |
277 | fdt_begin_node(fdt, "conf@1"); | |
278 | typename = genimg_get_type_short_name(params->fit_image_type); | |
279 | snprintf(str, sizeof(str), "%s@1", typename); | |
280 | fdt_property_string(fdt, typename, str); | |
281 | fdt_end_node(fdt); | |
282 | } | |
8e35bb07 SG |
283 | |
284 | fdt_end_node(fdt); | |
285 | } | |
286 | ||
287 | static int fit_build_fdt(struct image_tool_params *params, char *fdt, int size) | |
288 | { | |
289 | int ret; | |
290 | ||
291 | ret = fdt_create(fdt, size); | |
292 | if (ret) | |
293 | return ret; | |
294 | fdt_finish_reservemap(fdt); | |
295 | fdt_begin_node(fdt, ""); | |
296 | fdt_property_strf(fdt, "description", | |
297 | "%s image with one or more FDT blobs", | |
298 | genimg_get_type_name(params->fit_image_type)); | |
299 | fdt_property_strf(fdt, "creator", "U-Boot mkimage %s", PLAIN_VERSION); | |
300 | fdt_property_u32(fdt, "#address-cells", 1); | |
301 | ret = fit_write_images(params, fdt); | |
302 | if (ret) | |
303 | return ret; | |
304 | fit_write_configs(params, fdt); | |
305 | fdt_end_node(fdt); | |
306 | ret = fdt_finish(fdt); | |
307 | if (ret) | |
308 | return ret; | |
309 | ||
310 | return fdt_totalsize(fdt); | |
311 | } | |
312 | ||
313 | static int fit_build(struct image_tool_params *params, const char *fname) | |
314 | { | |
315 | char *buf; | |
316 | int size; | |
317 | int ret; | |
318 | int fd; | |
319 | ||
320 | size = fit_calc_size(params); | |
321 | if (size < 0) | |
322 | return -1; | |
323 | buf = malloc(size); | |
324 | if (!buf) { | |
325 | fprintf(stderr, "%s: Out of memory (%d bytes)\n", | |
326 | params->cmdname, size); | |
327 | return -1; | |
328 | } | |
329 | ret = fit_build_fdt(params, buf, size); | |
330 | if (ret < 0) { | |
331 | fprintf(stderr, "%s: Failed to build FIT image\n", | |
332 | params->cmdname); | |
7b0bbd88 | 333 | goto err_buf; |
8e35bb07 SG |
334 | } |
335 | size = ret; | |
336 | fd = open(fname, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0666); | |
337 | if (fd < 0) { | |
338 | fprintf(stderr, "%s: Can't open %s: %s\n", | |
339 | params->cmdname, fname, strerror(errno)); | |
340 | goto err; | |
341 | } | |
342 | ret = write(fd, buf, size); | |
343 | if (ret != size) { | |
344 | fprintf(stderr, "%s: Can't write %s: %s\n", | |
345 | params->cmdname, fname, strerror(errno)); | |
8e35bb07 SG |
346 | goto err; |
347 | } | |
348 | close(fd); | |
7b0bbd88 | 349 | free(buf); |
8e35bb07 SG |
350 | |
351 | return 0; | |
352 | err: | |
7b0bbd88 SG |
353 | close(fd); |
354 | err_buf: | |
8e35bb07 SG |
355 | free(buf); |
356 | return -1; | |
357 | } | |
358 | ||
722ebc8f SG |
359 | /** |
360 | * fit_extract_data() - Move all data outside the FIT | |
361 | * | |
362 | * This takes a normal FIT file and removes all the 'data' properties from it. | |
363 | * The data is placed in an area after the FIT so that it can be accessed | |
364 | * using an offset into that area. The 'data' properties turn into | |
365 | * 'data-offset' properties. | |
366 | * | |
367 | * This function cannot cope with FITs with 'data-offset' properties. All | |
368 | * data must be in 'data' properties on entry. | |
369 | */ | |
370 | static int fit_extract_data(struct image_tool_params *params, const char *fname) | |
371 | { | |
372 | void *buf; | |
373 | int buf_ptr; | |
374 | int fit_size, new_size; | |
375 | int fd; | |
376 | struct stat sbuf; | |
377 | void *fdt; | |
378 | int ret; | |
379 | int images; | |
380 | int node; | |
381 | ||
382 | fd = mmap_fdt(params->cmdname, fname, 0, &fdt, &sbuf, false); | |
383 | if (fd < 0) | |
384 | return -EIO; | |
385 | fit_size = fdt_totalsize(fdt); | |
386 | ||
387 | /* Allocate space to hold the image data we will extract */ | |
388 | buf = malloc(fit_size); | |
389 | if (!buf) { | |
390 | ret = -ENOMEM; | |
b97d71e2 | 391 | goto err_munmap; |
722ebc8f SG |
392 | } |
393 | buf_ptr = 0; | |
394 | ||
395 | images = fdt_path_offset(fdt, FIT_IMAGES_PATH); | |
396 | if (images < 0) { | |
397 | debug("%s: Cannot find /images node: %d\n", __func__, images); | |
398 | ret = -EINVAL; | |
b97d71e2 | 399 | goto err_munmap; |
722ebc8f SG |
400 | } |
401 | ||
402 | for (node = fdt_first_subnode(fdt, images); | |
403 | node >= 0; | |
404 | node = fdt_next_subnode(fdt, node)) { | |
405 | const char *data; | |
406 | int len; | |
407 | ||
408 | data = fdt_getprop(fdt, node, "data", &len); | |
409 | if (!data) | |
410 | continue; | |
411 | memcpy(buf + buf_ptr, data, len); | |
412 | debug("Extracting data size %x\n", len); | |
413 | ||
414 | ret = fdt_delprop(fdt, node, "data"); | |
415 | if (ret) { | |
416 | ret = -EPERM; | |
b97d71e2 | 417 | goto err_munmap; |
722ebc8f SG |
418 | } |
419 | fdt_setprop_u32(fdt, node, "data-offset", buf_ptr); | |
420 | fdt_setprop_u32(fdt, node, "data-size", len); | |
421 | ||
422 | buf_ptr += (len + 3) & ~3; | |
423 | } | |
424 | ||
425 | /* Pack the FDT and place the data after it */ | |
426 | fdt_pack(fdt); | |
427 | ||
428 | debug("Size reduced from %x to %x\n", fit_size, fdt_totalsize(fdt)); | |
429 | debug("External data size %x\n", buf_ptr); | |
430 | new_size = fdt_totalsize(fdt); | |
431 | new_size = (new_size + 3) & ~3; | |
432 | munmap(fdt, sbuf.st_size); | |
433 | ||
434 | if (ftruncate(fd, new_size)) { | |
435 | debug("%s: Failed to truncate file: %s\n", __func__, | |
436 | strerror(errno)); | |
437 | ret = -EIO; | |
438 | goto err; | |
439 | } | |
440 | if (lseek(fd, new_size, SEEK_SET) < 0) { | |
441 | debug("%s: Failed to seek to end of file: %s\n", __func__, | |
442 | strerror(errno)); | |
443 | ret = -EIO; | |
444 | goto err; | |
445 | } | |
446 | if (write(fd, buf, buf_ptr) != buf_ptr) { | |
447 | debug("%s: Failed to write external data to file %s\n", | |
448 | __func__, strerror(errno)); | |
449 | ret = -EIO; | |
450 | goto err; | |
451 | } | |
b97d71e2 SG |
452 | close(fd); |
453 | return 0; | |
722ebc8f | 454 | |
b97d71e2 SG |
455 | err_munmap: |
456 | munmap(fdt, sbuf.st_size); | |
722ebc8f | 457 | err: |
21c2975a SG |
458 | if (buf) |
459 | free(buf); | |
722ebc8f SG |
460 | close(fd); |
461 | return ret; | |
462 | } | |
463 | ||
529fd188 SG |
464 | static int fit_import_data(struct image_tool_params *params, const char *fname) |
465 | { | |
466 | void *fdt, *old_fdt; | |
467 | int fit_size, new_size, size, data_base; | |
468 | int fd; | |
469 | struct stat sbuf; | |
470 | int ret; | |
471 | int images; | |
472 | int node; | |
473 | ||
474 | fd = mmap_fdt(params->cmdname, fname, 0, &old_fdt, &sbuf, false); | |
475 | if (fd < 0) | |
476 | return -EIO; | |
477 | fit_size = fdt_totalsize(old_fdt); | |
478 | data_base = (fit_size + 3) & ~3; | |
479 | ||
480 | /* Allocate space to hold the new FIT */ | |
481 | size = sbuf.st_size + 16384; | |
482 | fdt = malloc(size); | |
483 | if (!fdt) { | |
484 | fprintf(stderr, "%s: Failed to allocate memory (%d bytes)\n", | |
485 | __func__, size); | |
486 | ret = -ENOMEM; | |
487 | goto err; | |
488 | } | |
489 | ret = fdt_open_into(old_fdt, fdt, size); | |
490 | if (ret) { | |
491 | debug("%s: Failed to expand FIT: %s\n", __func__, | |
492 | fdt_strerror(errno)); | |
493 | ret = -EINVAL; | |
494 | goto err; | |
495 | } | |
496 | ||
497 | images = fdt_path_offset(fdt, FIT_IMAGES_PATH); | |
498 | if (images < 0) { | |
499 | debug("%s: Cannot find /images node: %d\n", __func__, images); | |
500 | ret = -EINVAL; | |
501 | goto err; | |
502 | } | |
503 | ||
504 | for (node = fdt_first_subnode(fdt, images); | |
505 | node >= 0; | |
506 | node = fdt_next_subnode(fdt, node)) { | |
507 | int buf_ptr; | |
508 | int len; | |
509 | ||
510 | buf_ptr = fdtdec_get_int(fdt, node, "data-offset", -1); | |
511 | len = fdtdec_get_int(fdt, node, "data-size", -1); | |
512 | if (buf_ptr == -1 || len == -1) | |
513 | continue; | |
514 | debug("Importing data size %x\n", len); | |
515 | ||
516 | ret = fdt_setprop(fdt, node, "data", fdt + data_base + buf_ptr, | |
517 | len); | |
518 | if (ret) { | |
519 | debug("%s: Failed to write property: %s\n", __func__, | |
520 | fdt_strerror(ret)); | |
521 | ret = -EINVAL; | |
522 | goto err; | |
523 | } | |
524 | } | |
525 | ||
9cff2d1e | 526 | munmap(old_fdt, sbuf.st_size); |
529fd188 SG |
527 | close(fd); |
528 | ||
529 | /* Pack the FDT and place the data after it */ | |
530 | fdt_pack(fdt); | |
531 | ||
532 | new_size = fdt_totalsize(fdt); | |
533 | debug("Size expanded from %x to %x\n", fit_size, new_size); | |
534 | ||
535 | fd = open(fname, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0666); | |
536 | if (fd < 0) { | |
537 | fprintf(stderr, "%s: Can't open %s: %s\n", | |
538 | params->cmdname, fname, strerror(errno)); | |
5b15a259 SG |
539 | free(fdt); |
540 | return -EIO; | |
529fd188 SG |
541 | } |
542 | if (write(fd, fdt, new_size) != new_size) { | |
543 | debug("%s: Failed to write external data to file %s\n", | |
544 | __func__, strerror(errno)); | |
545 | ret = -EIO; | |
546 | goto err; | |
547 | } | |
529fd188 SG |
548 | |
549 | ret = 0; | |
550 | ||
551 | err: | |
6e0ffce6 | 552 | free(fdt); |
529fd188 SG |
553 | close(fd); |
554 | return ret; | |
555 | } | |
556 | ||
89a4d6b1 PW |
557 | /** |
558 | * fit_handle_file - main FIT file processing function | |
559 | * | |
560 | * fit_handle_file() runs dtc to convert .its to .itb, includes | |
561 | * binary data, updates timestamp property and calculates hashes. | |
562 | * | |
563 | * datafile - .its file | |
564 | * imagefile - .itb file | |
565 | * | |
566 | * returns: | |
567 | * only on success, otherwise calls exit (EXIT_FAILURE); | |
568 | */ | |
f86ed6a8 | 569 | static int fit_handle_file(struct image_tool_params *params) |
89a4d6b1 PW |
570 | { |
571 | char tmpfile[MKIMAGE_MAX_TMPFILE_LEN]; | |
572 | char cmd[MKIMAGE_MAX_DTC_CMDLINE_LEN]; | |
a9468115 SG |
573 | size_t size_inc; |
574 | int ret; | |
89a4d6b1 PW |
575 | |
576 | /* Flattened Image Tree (FIT) format handling */ | |
577 | debug ("FIT format handling\n"); | |
578 | ||
579 | /* call dtc to include binary properties into the tmp file */ | |
580 | if (strlen (params->imagefile) + | |
581 | strlen (MKIMAGE_TMPFILE_SUFFIX) + 1 > sizeof (tmpfile)) { | |
582 | fprintf (stderr, "%s: Image file name (%s) too long, " | |
583 | "can't create tmpfile", | |
584 | params->imagefile, params->cmdname); | |
585 | return (EXIT_FAILURE); | |
586 | } | |
587 | sprintf (tmpfile, "%s%s", params->imagefile, MKIMAGE_TMPFILE_SUFFIX); | |
588 | ||
95d77b44 | 589 | /* We either compile the source file, or use the existing FIT image */ |
8e35bb07 SG |
590 | if (params->auto_its) { |
591 | if (fit_build(params, tmpfile)) { | |
592 | fprintf(stderr, "%s: failed to build FIT\n", | |
593 | params->cmdname); | |
594 | return EXIT_FAILURE; | |
595 | } | |
596 | *cmd = '\0'; | |
597 | } else if (params->datafile) { | |
95d77b44 SG |
598 | /* dtc -I dts -O dtb -p 500 datafile > tmpfile */ |
599 | snprintf(cmd, sizeof(cmd), "%s %s %s > %s", | |
600 | MKIMAGE_DTC, params->dtc, params->datafile, tmpfile); | |
601 | debug("Trying to execute \"%s\"\n", cmd); | |
602 | } else { | |
603 | snprintf(cmd, sizeof(cmd), "cp %s %s", | |
604 | params->imagefile, tmpfile); | |
605 | } | |
8e35bb07 | 606 | if (*cmd && system(cmd) == -1) { |
89a4d6b1 PW |
607 | fprintf (stderr, "%s: system(%s) failed: %s\n", |
608 | params->cmdname, cmd, strerror(errno)); | |
aa6d6db4 | 609 | goto err_system; |
89a4d6b1 PW |
610 | } |
611 | ||
529fd188 SG |
612 | /* Move the data so it is internal to the FIT, if needed */ |
613 | ret = fit_import_data(params, tmpfile); | |
614 | if (ret) | |
615 | goto err_system; | |
616 | ||
a9468115 SG |
617 | /* |
618 | * Set hashes for images in the blob. Unfortunately we may need more | |
619 | * space in either FDT, so keep trying until we succeed. | |
620 | * | |
621 | * Note: this is pretty inefficient for signing, since we must | |
622 | * calculate the signature every time. It would be better to calculate | |
623 | * all the data and then store it in a separate step. However, this | |
624 | * would be considerably more complex to implement. Generally a few | |
625 | * steps of this loop is enough to sign with several keys. | |
626 | */ | |
627 | for (size_inc = 0; size_inc < 64 * 1024; size_inc += 1024) { | |
628 | ret = fit_add_file_data(params, size_inc, tmpfile); | |
629 | if (!ret || ret != -ENOSPC) | |
630 | break; | |
e29495d3 SG |
631 | } |
632 | ||
a9468115 | 633 | if (ret) { |
399c744b SG |
634 | fprintf(stderr, "%s Can't add hashes to FIT blob\n", |
635 | params->cmdname); | |
a9468115 | 636 | goto err_system; |
e29495d3 | 637 | } |
89a4d6b1 | 638 | |
722ebc8f SG |
639 | /* Move the data so it is external to the FIT, if requested */ |
640 | if (params->external_data) { | |
641 | ret = fit_extract_data(params, tmpfile); | |
642 | if (ret) | |
643 | goto err_system; | |
644 | } | |
645 | ||
89a4d6b1 PW |
646 | if (rename (tmpfile, params->imagefile) == -1) { |
647 | fprintf (stderr, "%s: Can't rename %s to %s: %s\n", | |
648 | params->cmdname, tmpfile, params->imagefile, | |
649 | strerror (errno)); | |
650 | unlink (tmpfile); | |
651 | unlink (params->imagefile); | |
a9468115 | 652 | return EXIT_FAILURE; |
89a4d6b1 | 653 | } |
a9468115 | 654 | return EXIT_SUCCESS; |
aa6d6db4 | 655 | |
aa6d6db4 SG |
656 | err_system: |
657 | unlink(tmpfile); | |
658 | return -1; | |
89a4d6b1 PW |
659 | } |
660 | ||
39931f96 GMF |
661 | /** |
662 | * fit_image_extract - extract a FIT component image | |
663 | * @fit: pointer to the FIT format image header | |
664 | * @image_noffset: offset of the component image node | |
665 | * @file_name: name of the file to store the FIT sub-image | |
666 | * | |
667 | * returns: | |
668 | * zero in case of success or a negative value if fail. | |
669 | */ | |
670 | static int fit_image_extract( | |
671 | const void *fit, | |
672 | int image_noffset, | |
673 | const char *file_name) | |
674 | { | |
675 | const void *file_data; | |
676 | size_t file_size = 0; | |
677 | ||
678 | /* get the "data" property of component at offset "image_noffset" */ | |
679 | fit_image_get_data(fit, image_noffset, &file_data, &file_size); | |
680 | ||
681 | /* save the "file_data" into the file specified by "file_name" */ | |
682 | return imagetool_save_subimage(file_name, (ulong) file_data, file_size); | |
683 | } | |
684 | ||
685 | /** | |
686 | * fit_extract_contents - retrieve a sub-image component from the FIT image | |
687 | * @ptr: pointer to the FIT format image header | |
688 | * @params: command line parameters | |
689 | * | |
690 | * returns: | |
691 | * zero in case of success or a negative value if fail. | |
692 | */ | |
693 | static int fit_extract_contents(void *ptr, struct image_tool_params *params) | |
694 | { | |
695 | int images_noffset; | |
696 | int noffset; | |
697 | int ndepth; | |
698 | const void *fit = ptr; | |
699 | int count = 0; | |
700 | const char *p; | |
701 | ||
702 | /* Indent string is defined in header image.h */ | |
703 | p = IMAGE_INDENT_STRING; | |
704 | ||
705 | if (!fit_check_format(fit)) { | |
706 | printf("Bad FIT image format\n"); | |
707 | return -1; | |
708 | } | |
709 | ||
710 | /* Find images parent node offset */ | |
711 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); | |
712 | if (images_noffset < 0) { | |
713 | printf("Can't find images parent node '%s' (%s)\n", | |
714 | FIT_IMAGES_PATH, fdt_strerror(images_noffset)); | |
715 | return -1; | |
716 | } | |
717 | ||
718 | /* Avoid any overrun */ | |
719 | count = fit_get_subimage_count(fit, images_noffset); | |
720 | if ((params->pflag < 0) || (count <= params->pflag)) { | |
721 | printf("No such component at '%d'\n", params->pflag); | |
722 | return -1; | |
723 | } | |
724 | ||
725 | /* Process its subnodes, extract the desired component from image */ | |
726 | for (ndepth = 0, count = 0, | |
727 | noffset = fdt_next_node(fit, images_noffset, &ndepth); | |
728 | (noffset >= 0) && (ndepth > 0); | |
729 | noffset = fdt_next_node(fit, noffset, &ndepth)) { | |
730 | if (ndepth == 1) { | |
731 | /* | |
732 | * Direct child node of the images parent node, | |
733 | * i.e. component image node. | |
734 | */ | |
735 | if (params->pflag == count) { | |
736 | printf("Extracted:\n%s Image %u (%s)\n", p, | |
737 | count, fit_get_name(fit, noffset, NULL)); | |
738 | ||
739 | fit_image_print(fit, noffset, p); | |
740 | ||
741 | return fit_image_extract(fit, noffset, | |
742 | params->outfile); | |
743 | } | |
744 | ||
745 | count++; | |
746 | } | |
747 | } | |
748 | ||
749 | return 0; | |
750 | } | |
751 | ||
f86ed6a8 | 752 | static int fit_check_params(struct image_tool_params *params) |
89a4d6b1 | 753 | { |
8e35bb07 SG |
754 | if (params->auto_its) |
755 | return 0; | |
89a4d6b1 PW |
756 | return ((params->dflag && (params->fflag || params->lflag)) || |
757 | (params->fflag && (params->dflag || params->lflag)) || | |
758 | (params->lflag && (params->dflag || params->fflag))); | |
759 | } | |
760 | ||
a93648d1 GMF |
761 | U_BOOT_IMAGE_TYPE( |
762 | fitimage, | |
763 | "FIT Image support", | |
764 | sizeof(image_header_t), | |
765 | (void *)&header, | |
766 | fit_check_params, | |
767 | fit_verify_header, | |
768 | fit_print_contents, | |
769 | NULL, | |
39931f96 | 770 | fit_extract_contents, |
a93648d1 GMF |
771 | fit_check_image_types, |
772 | fit_handle_file, | |
773 | NULL /* FIT images use DTB header */ | |
774 | ); |