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16#include "imagetool.h"
17#include "fit_common.h"
18#include "mkimage.h"
19#include <image.h>
20#include <string.h>
21#include <stdarg.h>
22#include <version.h>
23#include <u-boot/crc.h>
24
25static image_header_t header;
26
27static 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 false);
39 if (tfd < 0)
40 return -EIO;
41
42 if (params->keydest) {
43 struct stat dest_sbuf;
44
45 destfd = mmap_fdt(params->cmdname, params->keydest, size_inc,
46 &dest_blob, &dest_sbuf, false,
47 false);
48 if (destfd < 0) {
49 ret = -EIO;
50 goto err_keydest;
51 }
52 destfd_size = dest_sbuf.st_size;
53 }
54
55
56 if (params->datafile || params->reset_timestamp) {
57 time_t time = imagetool_get_source_date(params->cmdname,
58 sbuf.st_mtime);
59 ret = fit_set_timestamp(ptr, 0, time);
60 }
61
62 if (!ret) {
63 ret = fit_cipher_data(params->keydir, dest_blob, ptr,
64 params->comment,
65 params->require_keys,
66 params->engine_id,
67 params->cmdname);
68 }
69
70 if (!ret) {
71 ret = fit_add_verification_data(params->keydir,
72 params->keyfile, dest_blob, ptr,
73 params->comment,
74 params->require_keys,
75 params->engine_id,
76 params->cmdname);
77 }
78
79 if (dest_blob) {
80 munmap(dest_blob, destfd_size);
81 close(destfd);
82 }
83
84err_keydest:
85 munmap(ptr, sbuf.st_size);
86 close(tfd);
87 return ret;
88}
89
90
91
92
93static int fit_calc_size(struct image_tool_params *params)
94{
95 struct content_info *cont;
96 int size, total_size;
97
98 size = imagetool_get_filesize(params, params->datafile);
99 if (size < 0)
100 return -1;
101 total_size = size;
102
103 if (params->fit_ramdisk) {
104 size = imagetool_get_filesize(params, params->fit_ramdisk);
105 if (size < 0)
106 return -1;
107 total_size += size;
108 }
109
110 for (cont = params->content_head; cont; cont = cont->next) {
111 size = imagetool_get_filesize(params, cont->fname);
112 if (size < 0)
113 return -1;
114
115
116 total_size += size + 300;
117 }
118
119
120 total_size += 4096;
121
122 return total_size;
123}
124
125static int fdt_property_file(struct image_tool_params *params,
126 void *fdt, const char *name, const char *fname)
127{
128 struct stat sbuf;
129 void *ptr;
130 int ret;
131 int fd;
132
133 fd = open(fname, O_RDWR | O_BINARY);
134 if (fd < 0) {
135 fprintf(stderr, "%s: Can't open %s: %s\n",
136 params->cmdname, fname, strerror(errno));
137 return -1;
138 }
139
140 if (fstat(fd, &sbuf) < 0) {
141 fprintf(stderr, "%s: Can't stat %s: %s\n",
142 params->cmdname, fname, strerror(errno));
143 goto err;
144 }
145
146 ret = fdt_property_placeholder(fdt, "data", sbuf.st_size, &ptr);
147 if (ret)
148 goto err;
149 ret = read(fd, ptr, sbuf.st_size);
150 if (ret != sbuf.st_size) {
151 fprintf(stderr, "%s: Can't read %s: %s\n",
152 params->cmdname, fname, strerror(errno));
153 goto err;
154 }
155 close(fd);
156
157 return 0;
158err:
159 close(fd);
160 return -1;
161}
162
163static int fdt_property_strf(void *fdt, const char *name, const char *fmt, ...)
164{
165 char str[100];
166 va_list ptr;
167
168 va_start(ptr, fmt);
169 vsnprintf(str, sizeof(str), fmt, ptr);
170 va_end(ptr);
171 return fdt_property_string(fdt, name, str);
172}
173
174static void get_basename(char *str, int size, const char *fname)
175{
176 const char *p, *start, *end;
177 int len;
178
179
180
181
182
183
184
185 p = strrchr(fname, '/');
186 start = p ? p + 1 : fname;
187 p = strrchr(fname, '.');
188 end = p ? p : fname + strlen(fname);
189 len = end - start;
190 if (len >= size)
191 len = size - 1;
192 memcpy(str, start, len);
193 str[len] = '\0';
194}
195
196
197
198
199
200
201static void add_crc_node(void *fdt)
202{
203 fdt_begin_node(fdt, "hash-1");
204 fdt_property_string(fdt, FIT_ALGO_PROP, "crc32");
205 fdt_end_node(fdt);
206}
207
208
209
210
211
212
213
214static int fit_write_images(struct image_tool_params *params, char *fdt)
215{
216 struct content_info *cont;
217 const char *typename;
218 char str[100];
219 int upto;
220 int ret;
221
222 fdt_begin_node(fdt, "images");
223
224
225 typename = genimg_get_type_short_name(params->fit_image_type);
226 snprintf(str, sizeof(str), "%s-1", typename);
227 fdt_begin_node(fdt, str);
228 fdt_property_string(fdt, FIT_DESC_PROP, params->imagename);
229 fdt_property_string(fdt, FIT_TYPE_PROP, typename);
230 fdt_property_string(fdt, FIT_ARCH_PROP,
231 genimg_get_arch_short_name(params->arch));
232 fdt_property_string(fdt, FIT_OS_PROP,
233 genimg_get_os_short_name(params->os));
234 fdt_property_string(fdt, FIT_COMP_PROP,
235 genimg_get_comp_short_name(params->comp));
236 fdt_property_u32(fdt, FIT_LOAD_PROP, params->addr);
237 fdt_property_u32(fdt, FIT_ENTRY_PROP, params->ep);
238
239
240
241
242
243 ret = fdt_property_file(params, fdt, FIT_DATA_PROP, params->datafile);
244 if (ret)
245 return ret;
246 add_crc_node(fdt);
247 fdt_end_node(fdt);
248
249
250 upto = 0;
251 for (cont = params->content_head; cont; cont = cont->next) {
252 if (cont->type != IH_TYPE_FLATDT)
253 continue;
254 typename = genimg_get_type_short_name(cont->type);
255 snprintf(str, sizeof(str), "%s-%d", FIT_FDT_PROP, ++upto);
256 fdt_begin_node(fdt, str);
257
258 get_basename(str, sizeof(str), cont->fname);
259 fdt_property_string(fdt, FIT_DESC_PROP, str);
260 ret = fdt_property_file(params, fdt, FIT_DATA_PROP,
261 cont->fname);
262 if (ret)
263 return ret;
264 fdt_property_string(fdt, FIT_TYPE_PROP, typename);
265 fdt_property_string(fdt, FIT_ARCH_PROP,
266 genimg_get_arch_short_name(params->arch));
267 fdt_property_string(fdt, FIT_COMP_PROP,
268 genimg_get_comp_short_name(IH_COMP_NONE));
269 add_crc_node(fdt);
270 fdt_end_node(fdt);
271 }
272
273
274 if (params->fit_ramdisk) {
275 fdt_begin_node(fdt, FIT_RAMDISK_PROP "-1");
276
277 fdt_property_string(fdt, FIT_TYPE_PROP, FIT_RAMDISK_PROP);
278 fdt_property_string(fdt, FIT_OS_PROP,
279 genimg_get_os_short_name(params->os));
280 fdt_property_string(fdt, FIT_ARCH_PROP,
281 genimg_get_arch_short_name(params->arch));
282
283 ret = fdt_property_file(params, fdt, FIT_DATA_PROP,
284 params->fit_ramdisk);
285 if (ret)
286 return ret;
287 add_crc_node(fdt);
288 fdt_end_node(fdt);
289 }
290
291 fdt_end_node(fdt);
292
293 return 0;
294}
295
296
297
298
299
300
301
302
303
304
305static void fit_write_configs(struct image_tool_params *params, char *fdt)
306{
307 struct content_info *cont;
308 const char *typename;
309 char str[100];
310 int upto;
311
312 fdt_begin_node(fdt, "configurations");
313 fdt_property_string(fdt, FIT_DEFAULT_PROP, "conf-1");
314
315 upto = 0;
316 for (cont = params->content_head; cont; cont = cont->next) {
317 if (cont->type != IH_TYPE_FLATDT)
318 continue;
319 typename = genimg_get_type_short_name(cont->type);
320 snprintf(str, sizeof(str), "conf-%d", ++upto);
321 fdt_begin_node(fdt, str);
322
323 get_basename(str, sizeof(str), cont->fname);
324 fdt_property_string(fdt, FIT_DESC_PROP, str);
325
326 typename = genimg_get_type_short_name(params->fit_image_type);
327 snprintf(str, sizeof(str), "%s-1", typename);
328 fdt_property_string(fdt, typename, str);
329 fdt_property_string(fdt, FIT_LOADABLE_PROP, str);
330
331 if (params->fit_ramdisk)
332 fdt_property_string(fdt, FIT_RAMDISK_PROP,
333 FIT_RAMDISK_PROP "-1");
334
335 snprintf(str, sizeof(str), FIT_FDT_PROP "-%d", upto);
336 fdt_property_string(fdt, FIT_FDT_PROP, str);
337 fdt_end_node(fdt);
338 }
339
340 if (!upto) {
341 fdt_begin_node(fdt, "conf-1");
342 typename = genimg_get_type_short_name(params->fit_image_type);
343 snprintf(str, sizeof(str), "%s-1", typename);
344 fdt_property_string(fdt, typename, str);
345
346 if (params->fit_ramdisk)
347 fdt_property_string(fdt, FIT_RAMDISK_PROP,
348 FIT_RAMDISK_PROP "-1");
349
350 fdt_end_node(fdt);
351 }
352
353 fdt_end_node(fdt);
354}
355
356static int fit_build_fdt(struct image_tool_params *params, char *fdt, int size)
357{
358 int ret;
359
360 ret = fdt_create(fdt, size);
361 if (ret)
362 return ret;
363 fdt_finish_reservemap(fdt);
364 fdt_begin_node(fdt, "");
365 fdt_property_strf(fdt, FIT_DESC_PROP,
366 "%s image with one or more FDT blobs",
367 genimg_get_type_name(params->fit_image_type));
368 fdt_property_strf(fdt, "creator", "U-Boot mkimage %s", PLAIN_VERSION);
369 fdt_property_u32(fdt, "#address-cells", 1);
370 ret = fit_write_images(params, fdt);
371 if (ret)
372 return ret;
373 fit_write_configs(params, fdt);
374 fdt_end_node(fdt);
375 ret = fdt_finish(fdt);
376 if (ret)
377 return ret;
378
379 return fdt_totalsize(fdt);
380}
381
382static int fit_build(struct image_tool_params *params, const char *fname)
383{
384 char *buf;
385 int size;
386 int ret;
387 int fd;
388
389 size = fit_calc_size(params);
390 if (size < 0)
391 return -1;
392 buf = calloc(1, size);
393 if (!buf) {
394 fprintf(stderr, "%s: Out of memory (%d bytes)\n",
395 params->cmdname, size);
396 return -1;
397 }
398 ret = fit_build_fdt(params, buf, size);
399 if (ret < 0) {
400 fprintf(stderr, "%s: Failed to build FIT image\n",
401 params->cmdname);
402 goto err_buf;
403 }
404 size = ret;
405 fd = open(fname, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0666);
406 if (fd < 0) {
407 fprintf(stderr, "%s: Can't open %s: %s\n",
408 params->cmdname, fname, strerror(errno));
409 goto err_buf;
410 }
411 ret = write(fd, buf, size);
412 if (ret != size) {
413 fprintf(stderr, "%s: Can't write %s: %s\n",
414 params->cmdname, fname, strerror(errno));
415 goto err;
416 }
417 close(fd);
418 free(buf);
419
420 return 0;
421err:
422 close(fd);
423err_buf:
424 free(buf);
425 return -1;
426}
427
428
429
430
431
432
433
434
435
436
437
438
439static int fit_extract_data(struct image_tool_params *params, const char *fname)
440{
441 void *buf = NULL;
442 int buf_ptr;
443 int fit_size, new_size;
444 int fd;
445 struct stat sbuf;
446 void *fdt;
447 int ret;
448 int images;
449 int node;
450 int image_number;
451 int align_size;
452
453 align_size = params->bl_len ? params->bl_len : 4;
454 fd = mmap_fdt(params->cmdname, fname, 0, &fdt, &sbuf, false, false);
455 if (fd < 0)
456 return -EIO;
457 fit_size = fdt_totalsize(fdt);
458
459 images = fdt_path_offset(fdt, FIT_IMAGES_PATH);
460 if (images < 0) {
461 debug("%s: Cannot find /images node: %d\n", __func__, images);
462 ret = -EINVAL;
463 goto err_munmap;
464 }
465 image_number = fdtdec_get_child_count(fdt, images);
466
467
468
469
470
471 buf = calloc(1, fit_size + (align_size * image_number));
472 if (!buf) {
473 ret = -ENOMEM;
474 goto err_munmap;
475 }
476 buf_ptr = 0;
477
478 for (node = fdt_first_subnode(fdt, images);
479 node >= 0;
480 node = fdt_next_subnode(fdt, node)) {
481 const char *data;
482 int len;
483
484 data = fdt_getprop(fdt, node, FIT_DATA_PROP, &len);
485 if (!data)
486 continue;
487 memcpy(buf + buf_ptr, data, len);
488 debug("Extracting data size %x\n", len);
489
490 ret = fdt_delprop(fdt, node, FIT_DATA_PROP);
491 if (ret) {
492 ret = -EPERM;
493 goto err_munmap;
494 }
495 if (params->external_offset > 0) {
496
497 fdt_setprop_u32(fdt, node, FIT_DATA_POSITION_PROP,
498 params->external_offset + buf_ptr);
499 } else {
500 fdt_setprop_u32(fdt, node, FIT_DATA_OFFSET_PROP,
501 buf_ptr);
502 }
503 fdt_setprop_u32(fdt, node, FIT_DATA_SIZE_PROP, len);
504 buf_ptr += ALIGN(len, align_size);
505 }
506
507
508 fdt_pack(fdt);
509
510 new_size = fdt_totalsize(fdt);
511 new_size = ALIGN(new_size, align_size);
512 fdt_set_totalsize(fdt, new_size);
513 debug("Size reduced from %x to %x\n", fit_size, fdt_totalsize(fdt));
514 debug("External data size %x\n", buf_ptr);
515 munmap(fdt, sbuf.st_size);
516
517 if (ftruncate(fd, new_size)) {
518 debug("%s: Failed to truncate file: %s\n", __func__,
519 strerror(errno));
520 ret = -EIO;
521 goto err;
522 }
523
524
525 if (params->external_offset > 0) {
526 if (params->external_offset < new_size) {
527 debug("External offset %x overlaps FIT length %x",
528 params->external_offset, new_size);
529 ret = -EINVAL;
530 goto err;
531 }
532 new_size = params->external_offset;
533 }
534 if (lseek(fd, new_size, SEEK_SET) < 0) {
535 debug("%s: Failed to seek to end of file: %s\n", __func__,
536 strerror(errno));
537 ret = -EIO;
538 goto err;
539 }
540 if (write(fd, buf, buf_ptr) != buf_ptr) {
541 debug("%s: Failed to write external data to file %s\n",
542 __func__, strerror(errno));
543 ret = -EIO;
544 goto err;
545 }
546 free(buf);
547 close(fd);
548 return 0;
549
550err_munmap:
551 munmap(fdt, sbuf.st_size);
552err:
553 free(buf);
554 close(fd);
555 return ret;
556}
557
558static int fit_import_data(struct image_tool_params *params, const char *fname)
559{
560 void *fdt, *old_fdt;
561 int fit_size, new_size, size, data_base;
562 int fd;
563 struct stat sbuf;
564 int ret;
565 int images;
566 int node;
567
568 fd = mmap_fdt(params->cmdname, fname, 0, &old_fdt, &sbuf, false, false);
569 if (fd < 0)
570 return -EIO;
571 fit_size = fdt_totalsize(old_fdt);
572 data_base = ALIGN(fit_size, 4);
573
574
575 size = sbuf.st_size + 16384;
576 fdt = calloc(1, size);
577 if (!fdt) {
578 fprintf(stderr, "%s: Failed to allocate memory (%d bytes)\n",
579 __func__, size);
580 ret = -ENOMEM;
581 goto err_munmap;
582 }
583 ret = fdt_open_into(old_fdt, fdt, size);
584 if (ret) {
585 debug("%s: Failed to expand FIT: %s\n", __func__,
586 fdt_strerror(errno));
587 ret = -EINVAL;
588 goto err_munmap;
589 }
590
591 images = fdt_path_offset(fdt, FIT_IMAGES_PATH);
592 if (images < 0) {
593 debug("%s: Cannot find /images node: %d\n", __func__, images);
594 ret = -EINVAL;
595 goto err_munmap;
596 }
597
598 for (node = fdt_first_subnode(fdt, images);
599 node >= 0;
600 node = fdt_next_subnode(fdt, node)) {
601 int buf_ptr;
602 int len;
603
604 buf_ptr = fdtdec_get_int(fdt, node, "data-offset", -1);
605 len = fdtdec_get_int(fdt, node, "data-size", -1);
606 if (buf_ptr == -1 || len == -1)
607 continue;
608 debug("Importing data size %x\n", len);
609
610 ret = fdt_setprop(fdt, node, "data",
611 old_fdt + data_base + buf_ptr, len);
612 if (ret) {
613 debug("%s: Failed to write property: %s\n", __func__,
614 fdt_strerror(ret));
615 ret = -EINVAL;
616 goto err_munmap;
617 }
618 }
619
620 munmap(old_fdt, sbuf.st_size);
621
622
623 close(fd);
624
625
626 fdt_pack(fdt);
627
628 new_size = fdt_totalsize(fdt);
629 debug("Size expanded from %x to %x\n", fit_size, new_size);
630
631 fd = open(fname, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0666);
632 if (fd < 0) {
633 fprintf(stderr, "%s: Can't open %s: %s\n",
634 params->cmdname, fname, strerror(errno));
635 ret = -EIO;
636 goto err;
637 }
638 if (write(fd, fdt, new_size) != new_size) {
639 debug("%s: Failed to write external data to file %s\n",
640 __func__, strerror(errno));
641 ret = -EIO;
642 goto err;
643 }
644
645 free(fdt);
646 close(fd);
647 return 0;
648
649err_munmap:
650 munmap(old_fdt, sbuf.st_size);
651err:
652 free(fdt);
653 close(fd);
654 return ret;
655}
656
657static int copyfile(const char *src, const char *dst)
658{
659 int fd_src = -1, fd_dst = -1;
660 void *buf = NULL;
661 ssize_t size;
662 size_t count;
663 int ret = -1;
664
665 fd_src = open(src, O_RDONLY);
666 if (fd_src < 0) {
667 printf("Can't open file %s (%s)\n", src, strerror(errno));
668 goto out;
669 }
670
671 fd_dst = open(dst, O_WRONLY | O_CREAT, 0666);
672 if (fd_dst < 0) {
673 printf("Can't open file %s (%s)\n", dst, strerror(errno));
674 goto out;
675 }
676
677 buf = calloc(1, 512);
678 if (!buf) {
679 printf("Can't allocate buffer to copy file\n");
680 goto out;
681 }
682
683 while (1) {
684 size = read(fd_src, buf, 512);
685 if (size < 0) {
686 printf("Can't read file %s\n", src);
687 goto out;
688 }
689 if (!size)
690 break;
691
692 count = size;
693 size = write(fd_dst, buf, count);
694 if (size < 0) {
695 printf("Can't write file %s\n", dst);
696 goto out;
697 }
698 }
699
700 ret = 0;
701
702 out:
703 if (fd_src >= 0)
704 close(fd_src);
705 if (fd_dst >= 0)
706 close(fd_dst);
707 if (buf)
708 free(buf);
709
710 return ret;
711}
712
713
714
715
716
717
718
719
720
721
722
723
724
725static int fit_handle_file(struct image_tool_params *params)
726{
727 char tmpfile[MKIMAGE_MAX_TMPFILE_LEN];
728 char bakfile[MKIMAGE_MAX_TMPFILE_LEN + 4] = {0};
729 char cmd[MKIMAGE_MAX_DTC_CMDLINE_LEN];
730 size_t size_inc;
731 int ret;
732
733
734 debug ("FIT format handling\n");
735
736
737 if (strlen (params->imagefile) +
738 strlen (MKIMAGE_TMPFILE_SUFFIX) + 1 > sizeof (tmpfile)) {
739 fprintf (stderr, "%s: Image file name (%s) too long, "
740 "can't create tmpfile",
741 params->imagefile, params->cmdname);
742 return (EXIT_FAILURE);
743 }
744 sprintf (tmpfile, "%s%s", params->imagefile, MKIMAGE_TMPFILE_SUFFIX);
745
746
747 if (params->auto_its) {
748 if (fit_build(params, tmpfile)) {
749 fprintf(stderr, "%s: failed to build FIT\n",
750 params->cmdname);
751 return EXIT_FAILURE;
752 }
753 *cmd = '\0';
754 } else if (params->datafile) {
755
756 snprintf(cmd, sizeof(cmd), "%s %s -o \"%s\" \"%s\"",
757 MKIMAGE_DTC, params->dtc, tmpfile, params->datafile);
758 debug("Trying to execute \"%s\"\n", cmd);
759 } else {
760 snprintf(cmd, sizeof(cmd), "cp \"%s\" \"%s\"",
761 params->imagefile, tmpfile);
762 }
763 if (strlen(cmd) >= MKIMAGE_MAX_DTC_CMDLINE_LEN - 1) {
764 fprintf(stderr, "WARNING: command-line for FIT creation might be truncated and will probably fail.\n");
765 }
766
767 if (*cmd && system(cmd) == -1) {
768 fprintf (stderr, "%s: system(%s) failed: %s\n",
769 params->cmdname, cmd, strerror(errno));
770 goto err_system;
771 }
772
773
774 ret = fit_import_data(params, tmpfile);
775 if (ret)
776 goto err_system;
777
778
779
780
781
782
783 sprintf(bakfile, "%s%s", tmpfile, ".bak");
784 rename(tmpfile, bakfile);
785
786
787
788
789
790
791
792
793
794
795
796 for (size_inc = 0; size_inc < 64 * 1024; size_inc += 1024) {
797 if (copyfile(bakfile, tmpfile) < 0) {
798 printf("Can't copy %s to %s\n", bakfile, tmpfile);
799 ret = -EIO;
800 break;
801 }
802 ret = fit_add_file_data(params, size_inc, tmpfile);
803 if (!ret || ret != -ENOSPC)
804 break;
805 }
806
807 if (ret) {
808 fprintf(stderr, "%s Can't add hashes to FIT blob: %d\n",
809 params->cmdname, ret);
810 goto err_system;
811 }
812
813
814 if (params->external_data) {
815 ret = fit_extract_data(params, tmpfile);
816 if (ret)
817 goto err_system;
818 }
819
820 if (rename (tmpfile, params->imagefile) == -1) {
821 fprintf (stderr, "%s: Can't rename %s to %s: %s\n",
822 params->cmdname, tmpfile, params->imagefile,
823 strerror (errno));
824 unlink (tmpfile);
825 unlink(bakfile);
826 unlink (params->imagefile);
827 return EXIT_FAILURE;
828 }
829 unlink(bakfile);
830 return EXIT_SUCCESS;
831
832err_system:
833 unlink(tmpfile);
834 unlink(bakfile);
835 return -1;
836}
837
838
839
840
841
842
843
844
845
846
847static int fit_image_extract(
848 const void *fit,
849 int image_noffset,
850 const char *file_name)
851{
852 const void *file_data;
853 size_t file_size = 0;
854 int ret;
855
856
857 ret = fit_image_get_data_and_size(fit, image_noffset, &file_data, &file_size);
858 if (ret) {
859 fprintf(stderr, "Could not get component information\n");
860 return ret;
861 }
862
863
864 return imagetool_save_subimage(file_name, (ulong) file_data, file_size);
865}
866
867
868
869
870
871
872
873
874
875static int fit_extract_contents(void *ptr, struct image_tool_params *params)
876{
877 int images_noffset;
878 int noffset;
879 int ndepth;
880 const void *fit = ptr;
881 int count = 0;
882 const char *p;
883
884
885 p = IMAGE_INDENT_STRING;
886
887 if (fit_check_format(fit, IMAGE_SIZE_INVAL)) {
888 printf("Bad FIT image format\n");
889 return -1;
890 }
891
892
893 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
894 if (images_noffset < 0) {
895 printf("Can't find images parent node '%s' (%s)\n",
896 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
897 return -1;
898 }
899
900
901 count = fit_get_subimage_count(fit, images_noffset);
902 if ((params->pflag < 0) || (count <= params->pflag)) {
903 printf("No such component at '%d'\n", params->pflag);
904 return -1;
905 }
906
907
908 for (ndepth = 0, count = 0,
909 noffset = fdt_next_node(fit, images_noffset, &ndepth);
910 (noffset >= 0) && (ndepth > 0);
911 noffset = fdt_next_node(fit, noffset, &ndepth)) {
912 if (ndepth == 1) {
913
914
915
916
917 if (params->pflag == count) {
918 printf("Extracted:\n%s Image %u (%s)\n", p,
919 count, fit_get_name(fit, noffset, NULL));
920
921 fit_image_print(fit, noffset, p);
922
923 return fit_image_extract(fit, noffset,
924 params->outfile);
925 }
926
927 count++;
928 }
929 }
930
931 return 0;
932}
933
934static int fit_check_params(struct image_tool_params *params)
935{
936 if (params->auto_its)
937 return 0;
938 return ((params->dflag && params->fflag) ||
939 (params->fflag && params->lflag) ||
940 (params->lflag && params->dflag));
941}
942
943U_BOOT_IMAGE_TYPE(
944 fitimage,
945 "FIT Image support",
946 sizeof(image_header_t),
947 (void *)&header,
948 fit_check_params,
949 fit_verify_header,
950 fit_print_contents,
951 NULL,
952 fit_extract_contents,
953 fit_check_image_types,
954 fit_handle_file,
955 NULL
956);
957