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Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +05302/*
3 * (C) Copyright 2008 Semihalf
4 *
5 * (C) Copyright 2000-2004
6 * DENX Software Engineering
7 * Wolfgang Denk, wd@denx.de
8 *
9 * Updated-by: Prafulla Wadaskar <prafulla@marvell.com>
10 * FIT image specific code abstracted from mkimage.c
11 * some functions added to address abstraction
12 *
13 * All rights reserved.
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +053014 */
15
Guilherme Maciel Ferreiraf86ed6a2013-12-01 12:43:10 -070016#include "imagetool.h"
Heiko Schocher6bf4ca02014-03-03 12:19:29 +010017#include "fit_common.h"
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +053018#include "mkimage.h"
19#include <image.h>
Sven Roedererea5d3732020-04-27 02:08:39 +020020#include <string.h>
Simon Glass8e35bb02016-02-22 22:55:51 -070021#include <stdarg.h>
22#include <version.h>
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +053023#include <u-boot/crc.h>
24
Simon Glassf3543e62022-09-06 20:26:52 -060025static struct legacy_img_hdr header;
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +053026
Simon Glassa9468112014-06-02 22:04:53 -060027static 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
Luca Boccassi7d574852019-05-14 19:35:02 +010037 tfd = mmap_fdt(params->cmdname, tmpfile, size_inc, &ptr, &sbuf, true,
38 false);
Simon Glass90cfae22022-12-21 16:08:23 -070039 if (tfd < 0) {
40 fprintf(stderr, "Cannot map FDT file '%s'\n", tmpfile);
Simon Glassa9468112014-06-02 22:04:53 -060041 return -EIO;
Simon Glass90cfae22022-12-21 16:08:23 -070042 }
Simon Glassa9468112014-06-02 22:04:53 -060043
44 if (params->keydest) {
45 struct stat dest_sbuf;
46
47 destfd = mmap_fdt(params->cmdname, params->keydest, size_inc,
Luca Boccassi7d574852019-05-14 19:35:02 +010048 &dest_blob, &dest_sbuf, false,
49 false);
Simon Glassa9468112014-06-02 22:04:53 -060050 if (destfd < 0) {
51 ret = -EIO;
52 goto err_keydest;
53 }
54 destfd_size = dest_sbuf.st_size;
55 }
56
57 /* for first image creation, add a timestamp at offset 0 i.e., root */
Simon Glass152b2462020-07-09 18:39:43 -060058 if (params->datafile || params->reset_timestamp) {
Alex Kiernan87925df2018-06-20 20:10:51 +000059 time_t time = imagetool_get_source_date(params->cmdname,
60 sbuf.st_mtime);
Vagrant Cascadian58470842016-06-16 12:28:40 -070061 ret = fit_set_timestamp(ptr, 0, time);
62 }
Simon Glassa9468112014-06-02 22:04:53 -060063
Philippe Reynes6e052d12022-03-28 22:57:02 +020064 if (!ret)
65 ret = fit_pre_load_data(params->keydir, dest_blob, ptr);
66
Simon Glassa9468112014-06-02 22:04:53 -060067 if (!ret) {
Philippe Reynes7298e422019-12-18 18:25:41 +010068 ret = fit_cipher_data(params->keydir, dest_blob, ptr,
69 params->comment,
70 params->require_keys,
71 params->engine_id,
72 params->cmdname);
73 }
74
75 if (!ret) {
Alexandru Gagniuc36bfcb62021-02-19 12:45:17 -060076 ret = fit_add_verification_data(params->keydir,
77 params->keyfile, dest_blob, ptr,
Simon Glassa9468112014-06-02 22:04:53 -060078 params->comment,
George McCollisterf1ca1fd2017-01-06 13:14:17 -060079 params->require_keys,
Alex Kiernan795f4522018-06-20 20:10:52 +000080 params->engine_id,
Jan Kiszka5902a392022-01-14 10:21:19 +010081 params->cmdname,
Simon Glass2d2384b2021-11-12 12:28:13 -070082 params->algo_name,
83 &params->summary);
Simon Glassa9468112014-06-02 22:04:53 -060084 }
85
86 if (dest_blob) {
87 munmap(dest_blob, destfd_size);
88 close(destfd);
89 }
90
91err_keydest:
92 munmap(ptr, sbuf.st_size);
93 close(tfd);
Simon Glassa9468112014-06-02 22:04:53 -060094 return ret;
95}
96
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +053097/**
Simon Glass8e35bb02016-02-22 22:55:51 -070098 * fit_calc_size() - Calculate the approximate size of the FIT we will generate
99 */
100static int fit_calc_size(struct image_tool_params *params)
101{
Simon Glassfb4cce02016-02-22 22:55:52 -0700102 struct content_info *cont;
Simon Glass8e35bb02016-02-22 22:55:51 -0700103 int size, total_size;
104
105 size = imagetool_get_filesize(params, params->datafile);
106 if (size < 0)
107 return -1;
Simon Glass8e35bb02016-02-22 22:55:51 -0700108 total_size = size;
Tomeu Vizoso0f7c6cd2016-11-04 14:22:15 +0100109
110 if (params->fit_ramdisk) {
111 size = imagetool_get_filesize(params, params->fit_ramdisk);
112 if (size < 0)
113 return -1;
114 total_size += size;
115 }
116
Simon Glassfb4cce02016-02-22 22:55:52 -0700117 for (cont = params->content_head; cont; cont = cont->next) {
118 size = imagetool_get_filesize(params, cont->fname);
119 if (size < 0)
120 return -1;
Simon Glass8e35bb02016-02-22 22:55:51 -0700121
Simon Glass31729112020-05-27 07:24:55 -0600122 /* Add space for properties and hash node */
Simon Glassfb4cce02016-02-22 22:55:52 -0700123 total_size += size + 300;
124 }
Simon Glass8e35bb02016-02-22 22:55:51 -0700125
126 /* Add plenty of space for headers, properties, nodes, etc. */
127 total_size += 4096;
128
129 return total_size;
130}
131
132static int fdt_property_file(struct image_tool_params *params,
133 void *fdt, const char *name, const char *fname)
134{
135 struct stat sbuf;
136 void *ptr;
137 int ret;
138 int fd;
139
140 fd = open(fname, O_RDWR | O_BINARY);
141 if (fd < 0) {
142 fprintf(stderr, "%s: Can't open %s: %s\n",
143 params->cmdname, fname, strerror(errno));
144 return -1;
145 }
146
147 if (fstat(fd, &sbuf) < 0) {
148 fprintf(stderr, "%s: Can't stat %s: %s\n",
149 params->cmdname, fname, strerror(errno));
150 goto err;
151 }
152
153 ret = fdt_property_placeholder(fdt, "data", sbuf.st_size, &ptr);
154 if (ret)
Simon Glass3bd3a542016-03-16 07:45:42 -0600155 goto err;
Simon Glass8e35bb02016-02-22 22:55:51 -0700156 ret = read(fd, ptr, sbuf.st_size);
157 if (ret != sbuf.st_size) {
158 fprintf(stderr, "%s: Can't read %s: %s\n",
159 params->cmdname, fname, strerror(errno));
160 goto err;
161 }
Simon Glass3bd3a542016-03-16 07:45:42 -0600162 close(fd);
Simon Glass8e35bb02016-02-22 22:55:51 -0700163
164 return 0;
165err:
166 close(fd);
167 return -1;
168}
169
170static int fdt_property_strf(void *fdt, const char *name, const char *fmt, ...)
171{
172 char str[100];
173 va_list ptr;
174
175 va_start(ptr, fmt);
176 vsnprintf(str, sizeof(str), fmt, ptr);
177 va_end(ptr);
178 return fdt_property_string(fdt, name, str);
179}
180
Simon Glassfb4cce02016-02-22 22:55:52 -0700181static void get_basename(char *str, int size, const char *fname)
182{
183 const char *p, *start, *end;
184 int len;
185
186 /*
187 * Use the base name as the 'name' field. So for example:
188 *
189 * "arch/arm/dts/sun7i-a20-bananapro.dtb"
190 * becomes "sun7i-a20-bananapro"
191 */
192 p = strrchr(fname, '/');
193 start = p ? p + 1 : fname;
194 p = strrchr(fname, '.');
195 end = p ? p : fname + strlen(fname);
196 len = end - start;
197 if (len >= size)
198 len = size - 1;
199 memcpy(str, start, len);
200 str[len] = '\0';
201}
202
Simon Glass8e35bb02016-02-22 22:55:51 -0700203/**
Massimo Pegorerb93a6522023-01-05 10:31:09 +0100204 * fit_add_hash_or_sign() - Add a hash or signature node
Simon Glass31729112020-05-27 07:24:55 -0600205 *
Sean Anderson87b0af92022-05-16 16:11:08 -0400206 * @params: Image parameters
Simon Glass31729112020-05-27 07:24:55 -0600207 * @fdt: Device tree to add to (in sequential-write mode)
Massimo Pegorerb93a6522023-01-05 10:31:09 +0100208 * @is_images_subnode: true to add hash even if key name hint is provided
Sean Anderson87b0af92022-05-16 16:11:08 -0400209 *
Massimo Pegorerb93a6522023-01-05 10:31:09 +0100210 * If do_add_hash is false (default) and there is a key name hint, try to add
211 * a sign node to parent. Otherwise, just add a CRC. Rationale: if conf have
212 * to be signed, image/dt have to be hashed even if there is a key name hint.
Simon Glass31729112020-05-27 07:24:55 -0600213 */
Massimo Pegorerb93a6522023-01-05 10:31:09 +0100214static void fit_add_hash_or_sign(struct image_tool_params *params, void *fdt,
215 bool is_images_subnode)
Simon Glass31729112020-05-27 07:24:55 -0600216{
Massimo Pegorerb93a6522023-01-05 10:31:09 +0100217 const char *hash_algo = "crc32";
218 bool do_hash = false;
219 bool do_sign = false;
Sean Anderson87b0af92022-05-16 16:11:08 -0400220
Massimo Pegorerb93a6522023-01-05 10:31:09 +0100221 switch (params->auto_fit) {
222 case AF_OFF:
223 break;
224 case AF_HASHED_IMG:
225 do_hash = is_images_subnode;
226 break;
227 case AF_SIGNED_IMG:
228 do_sign = is_images_subnode;
229 break;
230 case AF_SIGNED_CONF:
231 if (is_images_subnode) {
232 do_hash = true;
233 hash_algo = "sha1";
234 } else {
235 do_sign = true;
236 }
237 break;
238 default:
239 fprintf(stderr,
240 "%s: Unsupported auto FIT mode %u\n",
241 params->cmdname, params->auto_fit);
242 break;
Sean Anderson87b0af92022-05-16 16:11:08 -0400243 }
244
Massimo Pegorerb93a6522023-01-05 10:31:09 +0100245 if (do_hash) {
246 fdt_begin_node(fdt, FIT_HASH_NODENAME);
247 fdt_property_string(fdt, FIT_ALGO_PROP, hash_algo);
248 fdt_end_node(fdt);
249 }
250
251 if (do_sign) {
252 fdt_begin_node(fdt, FIT_SIG_NODENAME);
253 fdt_property_string(fdt, FIT_ALGO_PROP, params->algo_name);
254 fdt_property_string(fdt, FIT_KEY_HINT, params->keyname);
255 fdt_end_node(fdt);
256 }
Simon Glass31729112020-05-27 07:24:55 -0600257}
258
259/**
Simon Glass8e35bb02016-02-22 22:55:51 -0700260 * fit_write_images() - Write out a list of images to the FIT
261 *
Simon Glassfb4cce02016-02-22 22:55:52 -0700262 * We always include the main image (params->datafile). If there are device
Andre Przywara2eda8e92017-12-04 02:05:12 +0000263 * tree files, we include an fdt- node for each of those too.
Simon Glass8e35bb02016-02-22 22:55:51 -0700264 */
265static int fit_write_images(struct image_tool_params *params, char *fdt)
266{
Simon Glassfb4cce02016-02-22 22:55:52 -0700267 struct content_info *cont;
Simon Glass8e35bb02016-02-22 22:55:51 -0700268 const char *typename;
269 char str[100];
Simon Glassfb4cce02016-02-22 22:55:52 -0700270 int upto;
Simon Glass8e35bb02016-02-22 22:55:51 -0700271 int ret;
272
273 fdt_begin_node(fdt, "images");
274
275 /* First the main image */
276 typename = genimg_get_type_short_name(params->fit_image_type);
Andre Przywara2eda8e92017-12-04 02:05:12 +0000277 snprintf(str, sizeof(str), "%s-1", typename);
Simon Glass8e35bb02016-02-22 22:55:51 -0700278 fdt_begin_node(fdt, str);
Michal Simek4a8b6e02018-07-20 12:31:02 +0200279 fdt_property_string(fdt, FIT_DESC_PROP, params->imagename);
280 fdt_property_string(fdt, FIT_TYPE_PROP, typename);
281 fdt_property_string(fdt, FIT_ARCH_PROP,
Simon Glass3a45f382016-06-30 10:52:12 -0600282 genimg_get_arch_short_name(params->arch));
Michal Simek4a8b6e02018-07-20 12:31:02 +0200283 fdt_property_string(fdt, FIT_OS_PROP,
284 genimg_get_os_short_name(params->os));
285 fdt_property_string(fdt, FIT_COMP_PROP,
Simon Glass8e35bb02016-02-22 22:55:51 -0700286 genimg_get_comp_short_name(params->comp));
Michal Simek4a8b6e02018-07-20 12:31:02 +0200287 fdt_property_u32(fdt, FIT_LOAD_PROP, params->addr);
288 fdt_property_u32(fdt, FIT_ENTRY_PROP, params->ep);
Simon Glass8e35bb02016-02-22 22:55:51 -0700289
290 /*
291 * Put data last since it is large. SPL may only load the first part
292 * of the DT, so this way it can access all the above fields.
293 */
Michal Simek4a8b6e02018-07-20 12:31:02 +0200294 ret = fdt_property_file(params, fdt, FIT_DATA_PROP, params->datafile);
Simon Glass8e35bb02016-02-22 22:55:51 -0700295 if (ret)
296 return ret;
Massimo Pegorerb93a6522023-01-05 10:31:09 +0100297 fit_add_hash_or_sign(params, fdt, true);
Simon Glass8e35bb02016-02-22 22:55:51 -0700298 fdt_end_node(fdt);
299
Simon Glassfb4cce02016-02-22 22:55:52 -0700300 /* Now the device tree files if available */
301 upto = 0;
302 for (cont = params->content_head; cont; cont = cont->next) {
303 if (cont->type != IH_TYPE_FLATDT)
304 continue;
Michal Sojka12e288a2019-09-13 12:43:12 +0200305 typename = genimg_get_type_short_name(cont->type);
Andre Przywara2eda8e92017-12-04 02:05:12 +0000306 snprintf(str, sizeof(str), "%s-%d", FIT_FDT_PROP, ++upto);
Simon Glassfb4cce02016-02-22 22:55:52 -0700307 fdt_begin_node(fdt, str);
308
309 get_basename(str, sizeof(str), cont->fname);
Michal Simek4a8b6e02018-07-20 12:31:02 +0200310 fdt_property_string(fdt, FIT_DESC_PROP, str);
311 ret = fdt_property_file(params, fdt, FIT_DATA_PROP,
312 cont->fname);
Simon Glassfb4cce02016-02-22 22:55:52 -0700313 if (ret)
314 return ret;
Michal Simek4a8b6e02018-07-20 12:31:02 +0200315 fdt_property_string(fdt, FIT_TYPE_PROP, typename);
316 fdt_property_string(fdt, FIT_ARCH_PROP,
Simon Glassfb4cce02016-02-22 22:55:52 -0700317 genimg_get_arch_short_name(params->arch));
Michal Simek4a8b6e02018-07-20 12:31:02 +0200318 fdt_property_string(fdt, FIT_COMP_PROP,
Simon Glassfb4cce02016-02-22 22:55:52 -0700319 genimg_get_comp_short_name(IH_COMP_NONE));
Massimo Pegorerb93a6522023-01-05 10:31:09 +0100320 fit_add_hash_or_sign(params, fdt, true);
Sean Anderson87b0af92022-05-16 16:11:08 -0400321 if (ret)
322 return ret;
Simon Glassfb4cce02016-02-22 22:55:52 -0700323 fdt_end_node(fdt);
324 }
325
Tomeu Vizoso0f7c6cd2016-11-04 14:22:15 +0100326 /* And a ramdisk file if available */
327 if (params->fit_ramdisk) {
Andre Przywara2eda8e92017-12-04 02:05:12 +0000328 fdt_begin_node(fdt, FIT_RAMDISK_PROP "-1");
Tomeu Vizoso0f7c6cd2016-11-04 14:22:15 +0100329
Michal Simek4a8b6e02018-07-20 12:31:02 +0200330 fdt_property_string(fdt, FIT_TYPE_PROP, FIT_RAMDISK_PROP);
331 fdt_property_string(fdt, FIT_OS_PROP,
332 genimg_get_os_short_name(params->os));
Michal Sojka12e288a2019-09-13 12:43:12 +0200333 fdt_property_string(fdt, FIT_ARCH_PROP,
334 genimg_get_arch_short_name(params->arch));
Tomeu Vizoso0f7c6cd2016-11-04 14:22:15 +0100335
Michal Simek4a8b6e02018-07-20 12:31:02 +0200336 ret = fdt_property_file(params, fdt, FIT_DATA_PROP,
337 params->fit_ramdisk);
Tomeu Vizoso0f7c6cd2016-11-04 14:22:15 +0100338 if (ret)
339 return ret;
Massimo Pegorerb93a6522023-01-05 10:31:09 +0100340 fit_add_hash_or_sign(params, fdt, true);
Sean Anderson87b0af92022-05-16 16:11:08 -0400341 if (ret)
342 return ret;
Tomeu Vizoso0f7c6cd2016-11-04 14:22:15 +0100343 fdt_end_node(fdt);
344 }
345
Simon Glass8e35bb02016-02-22 22:55:51 -0700346 fdt_end_node(fdt);
347
348 return 0;
349}
350
351/**
352 * fit_write_configs() - Write out a list of configurations to the FIT
353 *
Simon Glassfb4cce02016-02-22 22:55:52 -0700354 * If there are device tree files, we include a configuration for each, which
355 * selects the main image (params->datafile) and its corresponding device
356 * tree file.
357 *
358 * Otherwise we just create a configuration with the main image in it.
Simon Glass8e35bb02016-02-22 22:55:51 -0700359 */
360static void fit_write_configs(struct image_tool_params *params, char *fdt)
361{
Simon Glassfb4cce02016-02-22 22:55:52 -0700362 struct content_info *cont;
Simon Glass8e35bb02016-02-22 22:55:51 -0700363 const char *typename;
364 char str[100];
Simon Glassfb4cce02016-02-22 22:55:52 -0700365 int upto;
Simon Glass8e35bb02016-02-22 22:55:51 -0700366
367 fdt_begin_node(fdt, "configurations");
Michal Simek4a8b6e02018-07-20 12:31:02 +0200368 fdt_property_string(fdt, FIT_DEFAULT_PROP, "conf-1");
Simon Glass8e35bb02016-02-22 22:55:51 -0700369
Simon Glassfb4cce02016-02-22 22:55:52 -0700370 upto = 0;
371 for (cont = params->content_head; cont; cont = cont->next) {
372 if (cont->type != IH_TYPE_FLATDT)
373 continue;
374 typename = genimg_get_type_short_name(cont->type);
Andre Przywara2eda8e92017-12-04 02:05:12 +0000375 snprintf(str, sizeof(str), "conf-%d", ++upto);
Simon Glassfb4cce02016-02-22 22:55:52 -0700376 fdt_begin_node(fdt, str);
377
378 get_basename(str, sizeof(str), cont->fname);
Michal Simek4a8b6e02018-07-20 12:31:02 +0200379 fdt_property_string(fdt, FIT_DESC_PROP, str);
Simon Glassfb4cce02016-02-22 22:55:52 -0700380
381 typename = genimg_get_type_short_name(params->fit_image_type);
Andre Przywara2eda8e92017-12-04 02:05:12 +0000382 snprintf(str, sizeof(str), "%s-1", typename);
Simon Glassfb4cce02016-02-22 22:55:52 -0700383 fdt_property_string(fdt, typename, str);
Abel Vesacabde442019-03-12 08:34:32 +0000384 fdt_property_string(fdt, FIT_LOADABLE_PROP, str);
Simon Glassfb4cce02016-02-22 22:55:52 -0700385
Tomeu Vizoso0f7c6cd2016-11-04 14:22:15 +0100386 if (params->fit_ramdisk)
387 fdt_property_string(fdt, FIT_RAMDISK_PROP,
Andre Przywara2eda8e92017-12-04 02:05:12 +0000388 FIT_RAMDISK_PROP "-1");
Tomeu Vizoso0f7c6cd2016-11-04 14:22:15 +0100389
Andre Przywara2eda8e92017-12-04 02:05:12 +0000390 snprintf(str, sizeof(str), FIT_FDT_PROP "-%d", upto);
Simon Glassfb4cce02016-02-22 22:55:52 -0700391 fdt_property_string(fdt, FIT_FDT_PROP, str);
Massimo Pegorerb93a6522023-01-05 10:31:09 +0100392 fit_add_hash_or_sign(params, fdt, false);
Simon Glassfb4cce02016-02-22 22:55:52 -0700393 fdt_end_node(fdt);
394 }
Tomeu Vizoso0f7c6cd2016-11-04 14:22:15 +0100395
Simon Glassfb4cce02016-02-22 22:55:52 -0700396 if (!upto) {
Andre Przywara2eda8e92017-12-04 02:05:12 +0000397 fdt_begin_node(fdt, "conf-1");
Simon Glassfb4cce02016-02-22 22:55:52 -0700398 typename = genimg_get_type_short_name(params->fit_image_type);
Andre Przywara2eda8e92017-12-04 02:05:12 +0000399 snprintf(str, sizeof(str), "%s-1", typename);
Simon Glassfb4cce02016-02-22 22:55:52 -0700400 fdt_property_string(fdt, typename, str);
Tomeu Vizoso0f7c6cd2016-11-04 14:22:15 +0100401
402 if (params->fit_ramdisk)
403 fdt_property_string(fdt, FIT_RAMDISK_PROP,
Andre Przywara2eda8e92017-12-04 02:05:12 +0000404 FIT_RAMDISK_PROP "-1");
Massimo Pegorerb93a6522023-01-05 10:31:09 +0100405 fit_add_hash_or_sign(params, fdt, false);
Tomeu Vizoso0f7c6cd2016-11-04 14:22:15 +0100406
Simon Glassfb4cce02016-02-22 22:55:52 -0700407 fdt_end_node(fdt);
408 }
Simon Glass8e35bb02016-02-22 22:55:51 -0700409
410 fdt_end_node(fdt);
411}
412
413static int fit_build_fdt(struct image_tool_params *params, char *fdt, int size)
414{
415 int ret;
416
417 ret = fdt_create(fdt, size);
418 if (ret)
419 return ret;
420 fdt_finish_reservemap(fdt);
421 fdt_begin_node(fdt, "");
Michal Simek4a8b6e02018-07-20 12:31:02 +0200422 fdt_property_strf(fdt, FIT_DESC_PROP,
Simon Glass8e35bb02016-02-22 22:55:51 -0700423 "%s image with one or more FDT blobs",
424 genimg_get_type_name(params->fit_image_type));
425 fdt_property_strf(fdt, "creator", "U-Boot mkimage %s", PLAIN_VERSION);
426 fdt_property_u32(fdt, "#address-cells", 1);
427 ret = fit_write_images(params, fdt);
428 if (ret)
429 return ret;
430 fit_write_configs(params, fdt);
431 fdt_end_node(fdt);
432 ret = fdt_finish(fdt);
433 if (ret)
434 return ret;
435
436 return fdt_totalsize(fdt);
437}
438
439static int fit_build(struct image_tool_params *params, const char *fname)
440{
441 char *buf;
442 int size;
443 int ret;
444 int fd;
445
446 size = fit_calc_size(params);
447 if (size < 0)
448 return -1;
Fabio Estevamaaa91a42020-07-27 21:03:13 -0300449 buf = calloc(1, size);
Simon Glass8e35bb02016-02-22 22:55:51 -0700450 if (!buf) {
451 fprintf(stderr, "%s: Out of memory (%d bytes)\n",
452 params->cmdname, size);
453 return -1;
454 }
455 ret = fit_build_fdt(params, buf, size);
456 if (ret < 0) {
457 fprintf(stderr, "%s: Failed to build FIT image\n",
458 params->cmdname);
Simon Glass7b0bbd82016-03-16 07:45:41 -0600459 goto err_buf;
Simon Glass8e35bb02016-02-22 22:55:51 -0700460 }
461 size = ret;
462 fd = open(fname, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0666);
463 if (fd < 0) {
464 fprintf(stderr, "%s: Can't open %s: %s\n",
465 params->cmdname, fname, strerror(errno));
Tom Rini3c2dff52017-09-26 22:14:44 -0400466 goto err_buf;
Simon Glass8e35bb02016-02-22 22:55:51 -0700467 }
468 ret = write(fd, buf, size);
469 if (ret != size) {
470 fprintf(stderr, "%s: Can't write %s: %s\n",
471 params->cmdname, fname, strerror(errno));
Simon Glass8e35bb02016-02-22 22:55:51 -0700472 goto err;
473 }
474 close(fd);
Simon Glass7b0bbd82016-03-16 07:45:41 -0600475 free(buf);
Simon Glass8e35bb02016-02-22 22:55:51 -0700476
477 return 0;
478err:
Simon Glass7b0bbd82016-03-16 07:45:41 -0600479 close(fd);
480err_buf:
Simon Glass8e35bb02016-02-22 22:55:51 -0700481 free(buf);
482 return -1;
483}
484
485/**
Simon Glass722ebc82016-02-22 22:55:53 -0700486 * fit_extract_data() - Move all data outside the FIT
487 *
488 * This takes a normal FIT file and removes all the 'data' properties from it.
489 * The data is placed in an area after the FIT so that it can be accessed
490 * using an offset into that area. The 'data' properties turn into
491 * 'data-offset' properties.
492 *
493 * This function cannot cope with FITs with 'data-offset' properties. All
494 * data must be in 'data' properties on entry.
495 */
496static int fit_extract_data(struct image_tool_params *params, const char *fname)
497{
Kever Yangebfe6112020-03-30 11:56:24 +0800498 void *buf = NULL;
Simon Glass722ebc82016-02-22 22:55:53 -0700499 int buf_ptr;
500 int fit_size, new_size;
501 int fd;
502 struct stat sbuf;
503 void *fdt;
504 int ret;
505 int images;
506 int node;
Kever Yangebfe6112020-03-30 11:56:24 +0800507 int image_number;
508 int align_size;
Simon Glass722ebc82016-02-22 22:55:53 -0700509
Tom Rini7946a812020-05-06 11:05:17 -0400510 align_size = params->bl_len ? params->bl_len : 4;
Luca Boccassi7d574852019-05-14 19:35:02 +0100511 fd = mmap_fdt(params->cmdname, fname, 0, &fdt, &sbuf, false, false);
Simon Glass722ebc82016-02-22 22:55:53 -0700512 if (fd < 0)
513 return -EIO;
514 fit_size = fdt_totalsize(fdt);
515
Simon Glass722ebc82016-02-22 22:55:53 -0700516 images = fdt_path_offset(fdt, FIT_IMAGES_PATH);
517 if (images < 0) {
518 debug("%s: Cannot find /images node: %d\n", __func__, images);
519 ret = -EINVAL;
Simon Glassb97d71e2016-03-16 07:45:39 -0600520 goto err_munmap;
Simon Glass722ebc82016-02-22 22:55:53 -0700521 }
Kever Yangebfe6112020-03-30 11:56:24 +0800522 image_number = fdtdec_get_child_count(fdt, images);
523
524 /*
525 * Allocate space to hold the image data we will extract,
526 * extral space allocate for image alignment to prevent overflow.
527 */
Fabio Estevamaaa91a42020-07-27 21:03:13 -0300528 buf = calloc(1, fit_size + (align_size * image_number));
Kever Yangebfe6112020-03-30 11:56:24 +0800529 if (!buf) {
530 ret = -ENOMEM;
531 goto err_munmap;
532 }
533 buf_ptr = 0;
Simon Glass722ebc82016-02-22 22:55:53 -0700534
535 for (node = fdt_first_subnode(fdt, images);
536 node >= 0;
537 node = fdt_next_subnode(fdt, node)) {
538 const char *data;
539 int len;
540
Michal Simek4a8b6e02018-07-20 12:31:02 +0200541 data = fdt_getprop(fdt, node, FIT_DATA_PROP, &len);
Simon Glass722ebc82016-02-22 22:55:53 -0700542 if (!data)
543 continue;
544 memcpy(buf + buf_ptr, data, len);
545 debug("Extracting data size %x\n", len);
546
Michal Simek4a8b6e02018-07-20 12:31:02 +0200547 ret = fdt_delprop(fdt, node, FIT_DATA_PROP);
Simon Glass722ebc82016-02-22 22:55:53 -0700548 if (ret) {
549 ret = -EPERM;
Simon Glassb97d71e2016-03-16 07:45:39 -0600550 goto err_munmap;
Simon Glass722ebc82016-02-22 22:55:53 -0700551 }
Teddy Reedf8f91072016-06-09 19:38:02 -0700552 if (params->external_offset > 0) {
553 /* An external offset positions the data absolutely. */
Michal Simek4a8b6e02018-07-20 12:31:02 +0200554 fdt_setprop_u32(fdt, node, FIT_DATA_POSITION_PROP,
Teddy Reedf8f91072016-06-09 19:38:02 -0700555 params->external_offset + buf_ptr);
556 } else {
Michal Simek4a8b6e02018-07-20 12:31:02 +0200557 fdt_setprop_u32(fdt, node, FIT_DATA_OFFSET_PROP,
558 buf_ptr);
Teddy Reedf8f91072016-06-09 19:38:02 -0700559 }
Michal Simek4a8b6e02018-07-20 12:31:02 +0200560 fdt_setprop_u32(fdt, node, FIT_DATA_SIZE_PROP, len);
Kever Yangebfe6112020-03-30 11:56:24 +0800561 buf_ptr += ALIGN(len, align_size);
Simon Glass722ebc82016-02-22 22:55:53 -0700562 }
563
564 /* Pack the FDT and place the data after it */
565 fdt_pack(fdt);
566
Kever Yangebfe6112020-03-30 11:56:24 +0800567 new_size = fdt_totalsize(fdt);
Tom Rini7946a812020-05-06 11:05:17 -0400568 new_size = ALIGN(new_size, align_size);
Kever Yangebfe6112020-03-30 11:56:24 +0800569 fdt_set_totalsize(fdt, new_size);
Simon Glass722ebc82016-02-22 22:55:53 -0700570 debug("Size reduced from %x to %x\n", fit_size, fdt_totalsize(fdt));
571 debug("External data size %x\n", buf_ptr);
Simon Glass722ebc82016-02-22 22:55:53 -0700572 munmap(fdt, sbuf.st_size);
573
574 if (ftruncate(fd, new_size)) {
575 debug("%s: Failed to truncate file: %s\n", __func__,
576 strerror(errno));
577 ret = -EIO;
578 goto err;
579 }
Teddy Reedf8f91072016-06-09 19:38:02 -0700580
581 /* Check if an offset for the external data was set. */
582 if (params->external_offset > 0) {
583 if (params->external_offset < new_size) {
Simon Glass206117a2022-01-09 20:13:38 -0700584 fprintf(stderr,
585 "External offset %x overlaps FIT length %x\n",
586 params->external_offset, new_size);
Teddy Reedf8f91072016-06-09 19:38:02 -0700587 ret = -EINVAL;
588 goto err;
589 }
590 new_size = params->external_offset;
591 }
Simon Glass722ebc82016-02-22 22:55:53 -0700592 if (lseek(fd, new_size, SEEK_SET) < 0) {
593 debug("%s: Failed to seek to end of file: %s\n", __func__,
594 strerror(errno));
595 ret = -EIO;
596 goto err;
597 }
598 if (write(fd, buf, buf_ptr) != buf_ptr) {
599 debug("%s: Failed to write external data to file %s\n",
600 __func__, strerror(errno));
601 ret = -EIO;
602 goto err;
603 }
Tom Rini3c2dff52017-09-26 22:14:44 -0400604 free(buf);
Simon Glassb97d71e2016-03-16 07:45:39 -0600605 close(fd);
606 return 0;
Simon Glass722ebc82016-02-22 22:55:53 -0700607
Simon Glassb97d71e2016-03-16 07:45:39 -0600608err_munmap:
609 munmap(fdt, sbuf.st_size);
Simon Glass722ebc82016-02-22 22:55:53 -0700610err:
Bin Meng0dbd6e32020-04-18 01:59:11 -0700611 free(buf);
Simon Glass722ebc82016-02-22 22:55:53 -0700612 close(fd);
613 return ret;
614}
615
Simon Glass529fd182016-02-22 22:55:54 -0700616static int fit_import_data(struct image_tool_params *params, const char *fname)
617{
618 void *fdt, *old_fdt;
619 int fit_size, new_size, size, data_base;
620 int fd;
621 struct stat sbuf;
622 int ret;
623 int images;
624 int node;
625
Luca Boccassi7d574852019-05-14 19:35:02 +0100626 fd = mmap_fdt(params->cmdname, fname, 0, &old_fdt, &sbuf, false, false);
Simon Glass529fd182016-02-22 22:55:54 -0700627 if (fd < 0)
628 return -EIO;
629 fit_size = fdt_totalsize(old_fdt);
Kever Yang02560b12020-03-30 11:56:22 +0800630 data_base = ALIGN(fit_size, 4);
Simon Glass529fd182016-02-22 22:55:54 -0700631
632 /* Allocate space to hold the new FIT */
633 size = sbuf.st_size + 16384;
Fabio Estevamaaa91a42020-07-27 21:03:13 -0300634 fdt = calloc(1, size);
Simon Glass529fd182016-02-22 22:55:54 -0700635 if (!fdt) {
636 fprintf(stderr, "%s: Failed to allocate memory (%d bytes)\n",
637 __func__, size);
638 ret = -ENOMEM;
Lihua Zhao3fc85a72020-04-18 01:59:10 -0700639 goto err_munmap;
Simon Glass529fd182016-02-22 22:55:54 -0700640 }
641 ret = fdt_open_into(old_fdt, fdt, size);
642 if (ret) {
643 debug("%s: Failed to expand FIT: %s\n", __func__,
644 fdt_strerror(errno));
645 ret = -EINVAL;
Lihua Zhao3fc85a72020-04-18 01:59:10 -0700646 goto err_munmap;
Simon Glass529fd182016-02-22 22:55:54 -0700647 }
648
649 images = fdt_path_offset(fdt, FIT_IMAGES_PATH);
650 if (images < 0) {
651 debug("%s: Cannot find /images node: %d\n", __func__, images);
652 ret = -EINVAL;
Lihua Zhao3fc85a72020-04-18 01:59:10 -0700653 goto err_munmap;
Simon Glass529fd182016-02-22 22:55:54 -0700654 }
655
656 for (node = fdt_first_subnode(fdt, images);
657 node >= 0;
658 node = fdt_next_subnode(fdt, node)) {
659 int buf_ptr;
660 int len;
661
662 buf_ptr = fdtdec_get_int(fdt, node, "data-offset", -1);
663 len = fdtdec_get_int(fdt, node, "data-size", -1);
664 if (buf_ptr == -1 || len == -1)
665 continue;
666 debug("Importing data size %x\n", len);
667
Patrick Oppenlanderc995d852020-07-30 14:31:48 +1000668 ret = fdt_setprop(fdt, node, "data",
669 old_fdt + data_base + buf_ptr, len);
Simon Glass529fd182016-02-22 22:55:54 -0700670 if (ret) {
671 debug("%s: Failed to write property: %s\n", __func__,
672 fdt_strerror(ret));
673 ret = -EINVAL;
Lihua Zhao3fc85a72020-04-18 01:59:10 -0700674 goto err_munmap;
Simon Glass529fd182016-02-22 22:55:54 -0700675 }
676 }
677
Lihua Zhao3fc85a72020-04-18 01:59:10 -0700678 munmap(old_fdt, sbuf.st_size);
679
Tom Rinibf52fcd2017-10-07 11:27:59 -0400680 /* Close the old fd so we can re-use it. */
Simon Glass529fd182016-02-22 22:55:54 -0700681 close(fd);
682
683 /* Pack the FDT and place the data after it */
684 fdt_pack(fdt);
685
686 new_size = fdt_totalsize(fdt);
687 debug("Size expanded from %x to %x\n", fit_size, new_size);
688
689 fd = open(fname, O_RDWR | O_CREAT | O_TRUNC | O_BINARY, 0666);
690 if (fd < 0) {
691 fprintf(stderr, "%s: Can't open %s: %s\n",
692 params->cmdname, fname, strerror(errno));
Tom Rinibf52fcd2017-10-07 11:27:59 -0400693 ret = -EIO;
Lihua Zhao3fc85a72020-04-18 01:59:10 -0700694 goto err;
Simon Glass529fd182016-02-22 22:55:54 -0700695 }
696 if (write(fd, fdt, new_size) != new_size) {
697 debug("%s: Failed to write external data to file %s\n",
698 __func__, strerror(errno));
699 ret = -EIO;
Lihua Zhao3fc85a72020-04-18 01:59:10 -0700700 goto err;
Simon Glass529fd182016-02-22 22:55:54 -0700701 }
Simon Glass529fd182016-02-22 22:55:54 -0700702
Simon Glass6e0ffce2016-03-16 07:45:38 -0600703 free(fdt);
Lihua Zhao3fc85a72020-04-18 01:59:10 -0700704 close(fd);
705 return 0;
706
707err_munmap:
708 munmap(old_fdt, sbuf.st_size);
709err:
710 free(fdt);
711 close(fd);
Simon Glass529fd182016-02-22 22:55:54 -0700712 return ret;
713}
714
Simon Glass722ebc82016-02-22 22:55:53 -0700715/**
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +0530716 * fit_handle_file - main FIT file processing function
717 *
718 * fit_handle_file() runs dtc to convert .its to .itb, includes
719 * binary data, updates timestamp property and calculates hashes.
720 *
721 * datafile - .its file
722 * imagefile - .itb file
723 *
724 * returns:
725 * only on success, otherwise calls exit (EXIT_FAILURE);
726 */
Guilherme Maciel Ferreiraf86ed6a2013-12-01 12:43:10 -0700727static int fit_handle_file(struct image_tool_params *params)
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +0530728{
729 char tmpfile[MKIMAGE_MAX_TMPFILE_LEN];
Philippe Reynes7298e422019-12-18 18:25:41 +0100730 char bakfile[MKIMAGE_MAX_TMPFILE_LEN + 4] = {0};
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +0530731 char cmd[MKIMAGE_MAX_DTC_CMDLINE_LEN];
Simon Glassa9468112014-06-02 22:04:53 -0600732 size_t size_inc;
733 int ret;
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +0530734
735 /* Flattened Image Tree (FIT) format handling */
736 debug ("FIT format handling\n");
737
738 /* call dtc to include binary properties into the tmp file */
739 if (strlen (params->imagefile) +
740 strlen (MKIMAGE_TMPFILE_SUFFIX) + 1 > sizeof (tmpfile)) {
741 fprintf (stderr, "%s: Image file name (%s) too long, "
Sven Roederer9c702372021-05-25 23:15:27 +0200742 "can't create tmpfile.\n",
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +0530743 params->imagefile, params->cmdname);
744 return (EXIT_FAILURE);
745 }
746 sprintf (tmpfile, "%s%s", params->imagefile, MKIMAGE_TMPFILE_SUFFIX);
747
Simon Glass95d77b42013-06-13 15:10:05 -0700748 /* We either compile the source file, or use the existing FIT image */
Massimo Pegorerb93a6522023-01-05 10:31:09 +0100749 if (params->auto_fit) {
Simon Glass8e35bb02016-02-22 22:55:51 -0700750 if (fit_build(params, tmpfile)) {
751 fprintf(stderr, "%s: failed to build FIT\n",
752 params->cmdname);
753 return EXIT_FAILURE;
754 }
755 *cmd = '\0';
756 } else if (params->datafile) {
Stefan Theil63f881d2018-03-08 09:00:13 +0100757 /* dtc -I dts -O dtb -p 500 -o tmpfile datafile */
758 snprintf(cmd, sizeof(cmd), "%s %s -o \"%s\" \"%s\"",
759 MKIMAGE_DTC, params->dtc, tmpfile, params->datafile);
Simon Glass95d77b42013-06-13 15:10:05 -0700760 debug("Trying to execute \"%s\"\n", cmd);
761 } else {
Mirza, Taimoora6e98102017-10-04 20:28:03 +0500762 snprintf(cmd, sizeof(cmd), "cp \"%s\" \"%s\"",
Simon Glass95d77b42013-06-13 15:10:05 -0700763 params->imagefile, tmpfile);
764 }
Sven Roedererea5d3732020-04-27 02:08:39 +0200765 if (strlen(cmd) >= MKIMAGE_MAX_DTC_CMDLINE_LEN - 1) {
766 fprintf(stderr, "WARNING: command-line for FIT creation might be truncated and will probably fail.\n");
767 }
Philippe Reynes7298e422019-12-18 18:25:41 +0100768
Simon Glass8e35bb02016-02-22 22:55:51 -0700769 if (*cmd && system(cmd) == -1) {
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +0530770 fprintf (stderr, "%s: system(%s) failed: %s\n",
771 params->cmdname, cmd, strerror(errno));
Simon Glassaa6d6db2013-05-08 08:05:57 +0000772 goto err_system;
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +0530773 }
774
Simon Glass529fd182016-02-22 22:55:54 -0700775 /* Move the data so it is internal to the FIT, if needed */
776 ret = fit_import_data(params, tmpfile);
777 if (ret)
778 goto err_system;
779
Simon Glassa9468112014-06-02 22:04:53 -0600780 /*
Philippe Reynes7298e422019-12-18 18:25:41 +0100781 * Copy the tmpfile to bakfile, then in the following loop
782 * we copy bakfile to tmpfile. So we always start from the
783 * beginning.
784 */
785 sprintf(bakfile, "%s%s", tmpfile, ".bak");
786 rename(tmpfile, bakfile);
787
788 /*
Simon Glassa9468112014-06-02 22:04:53 -0600789 * Set hashes for images in the blob. Unfortunately we may need more
790 * space in either FDT, so keep trying until we succeed.
791 *
792 * Note: this is pretty inefficient for signing, since we must
793 * calculate the signature every time. It would be better to calculate
794 * all the data and then store it in a separate step. However, this
795 * would be considerably more complex to implement. Generally a few
796 * steps of this loop is enough to sign with several keys.
797 */
798 for (size_inc = 0; size_inc < 64 * 1024; size_inc += 1024) {
Philippe Reynes7298e422019-12-18 18:25:41 +0100799 if (copyfile(bakfile, tmpfile) < 0) {
800 printf("Can't copy %s to %s\n", bakfile, tmpfile);
801 ret = -EIO;
802 break;
803 }
Simon Glassa9468112014-06-02 22:04:53 -0600804 ret = fit_add_file_data(params, size_inc, tmpfile);
805 if (!ret || ret != -ENOSPC)
806 break;
Simon Glasse29495d2013-06-13 15:10:04 -0700807 }
808
Simon Glassa9468112014-06-02 22:04:53 -0600809 if (ret) {
Simon Glass655cc692016-07-03 09:40:43 -0600810 fprintf(stderr, "%s Can't add hashes to FIT blob: %d\n",
811 params->cmdname, ret);
Simon Glassa9468112014-06-02 22:04:53 -0600812 goto err_system;
Simon Glasse29495d2013-06-13 15:10:04 -0700813 }
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +0530814
Simon Glass722ebc82016-02-22 22:55:53 -0700815 /* Move the data so it is external to the FIT, if requested */
816 if (params->external_data) {
817 ret = fit_extract_data(params, tmpfile);
818 if (ret)
819 goto err_system;
820 }
821
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +0530822 if (rename (tmpfile, params->imagefile) == -1) {
823 fprintf (stderr, "%s: Can't rename %s to %s: %s\n",
824 params->cmdname, tmpfile, params->imagefile,
825 strerror (errno));
826 unlink (tmpfile);
Philippe Reynes7298e422019-12-18 18:25:41 +0100827 unlink(bakfile);
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +0530828 unlink (params->imagefile);
Simon Glassa9468112014-06-02 22:04:53 -0600829 return EXIT_FAILURE;
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +0530830 }
Philippe Reynes7298e422019-12-18 18:25:41 +0100831 unlink(bakfile);
Simon Glassa9468112014-06-02 22:04:53 -0600832 return EXIT_SUCCESS;
Simon Glassaa6d6db2013-05-08 08:05:57 +0000833
Simon Glassaa6d6db2013-05-08 08:05:57 +0000834err_system:
835 unlink(tmpfile);
Philippe Reynes7298e422019-12-18 18:25:41 +0100836 unlink(bakfile);
Simon Glassaa6d6db2013-05-08 08:05:57 +0000837 return -1;
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +0530838}
839
Guilherme Maciel Ferreira39931f92015-01-15 02:54:42 -0200840/**
841 * fit_image_extract - extract a FIT component image
842 * @fit: pointer to the FIT format image header
843 * @image_noffset: offset of the component image node
844 * @file_name: name of the file to store the FIT sub-image
845 *
846 * returns:
847 * zero in case of success or a negative value if fail.
848 */
849static int fit_image_extract(
850 const void *fit,
851 int image_noffset,
852 const char *file_name)
853{
854 const void *file_data;
855 size_t file_size = 0;
Andrew F. Davise5b56282019-09-17 17:09:34 -0400856 int ret;
Guilherme Maciel Ferreira39931f92015-01-15 02:54:42 -0200857
Andrew F. Davise5b56282019-09-17 17:09:34 -0400858 /* get the data address and size of component at offset "image_noffset" */
859 ret = fit_image_get_data_and_size(fit, image_noffset, &file_data, &file_size);
860 if (ret) {
861 fprintf(stderr, "Could not get component information\n");
862 return ret;
863 }
Guilherme Maciel Ferreira39931f92015-01-15 02:54:42 -0200864
865 /* save the "file_data" into the file specified by "file_name" */
866 return imagetool_save_subimage(file_name, (ulong) file_data, file_size);
867}
868
869/**
870 * fit_extract_contents - retrieve a sub-image component from the FIT image
871 * @ptr: pointer to the FIT format image header
872 * @params: command line parameters
873 *
874 * returns:
875 * zero in case of success or a negative value if fail.
876 */
877static int fit_extract_contents(void *ptr, struct image_tool_params *params)
878{
879 int images_noffset;
880 int noffset;
881 int ndepth;
882 const void *fit = ptr;
883 int count = 0;
884 const char *p;
885
886 /* Indent string is defined in header image.h */
887 p = IMAGE_INDENT_STRING;
888
Guilherme Maciel Ferreira39931f92015-01-15 02:54:42 -0200889 /* Find images parent node offset */
890 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
891 if (images_noffset < 0) {
892 printf("Can't find images parent node '%s' (%s)\n",
893 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
894 return -1;
895 }
896
897 /* Avoid any overrun */
898 count = fit_get_subimage_count(fit, images_noffset);
899 if ((params->pflag < 0) || (count <= params->pflag)) {
900 printf("No such component at '%d'\n", params->pflag);
901 return -1;
902 }
903
904 /* Process its subnodes, extract the desired component from image */
905 for (ndepth = 0, count = 0,
906 noffset = fdt_next_node(fit, images_noffset, &ndepth);
907 (noffset >= 0) && (ndepth > 0);
908 noffset = fdt_next_node(fit, noffset, &ndepth)) {
909 if (ndepth == 1) {
910 /*
911 * Direct child node of the images parent node,
912 * i.e. component image node.
913 */
914 if (params->pflag == count) {
915 printf("Extracted:\n%s Image %u (%s)\n", p,
916 count, fit_get_name(fit, noffset, NULL));
917
918 fit_image_print(fit, noffset, p);
919
920 return fit_image_extract(fit, noffset,
921 params->outfile);
922 }
923
924 count++;
925 }
926 }
927
928 return 0;
929}
930
Guilherme Maciel Ferreiraf86ed6a2013-12-01 12:43:10 -0700931static int fit_check_params(struct image_tool_params *params)
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +0530932{
Massimo Pegorerb93a6522023-01-05 10:31:09 +0100933 if (params->auto_fit)
Simon Glass8e35bb02016-02-22 22:55:51 -0700934 return 0;
Heinrich Schuchardt58194662019-12-11 13:51:38 +0100935 return ((params->dflag && params->fflag) ||
936 (params->fflag && params->lflag) ||
937 (params->lflag && params->dflag));
Prafulla Wadaskar89a4d6b2009-08-19 17:36:46 +0530938}
939
Guilherme Maciel Ferreiraa93648d2015-01-15 02:48:07 -0200940U_BOOT_IMAGE_TYPE(
941 fitimage,
942 "FIT Image support",
Simon Glassf3543e62022-09-06 20:26:52 -0600943 sizeof(struct legacy_img_hdr),
Guilherme Maciel Ferreiraa93648d2015-01-15 02:48:07 -0200944 (void *)&header,
945 fit_check_params,
946 fit_verify_header,
Pali Rohár2972d7d2023-03-29 21:25:54 +0200947 fit_print_header,
Guilherme Maciel Ferreiraa93648d2015-01-15 02:48:07 -0200948 NULL,
Guilherme Maciel Ferreira39931f92015-01-15 02:54:42 -0200949 fit_extract_contents,
Guilherme Maciel Ferreiraa93648d2015-01-15 02:48:07 -0200950 fit_check_image_types,
951 fit_handle_file,
952 NULL /* FIT images use DTB header */
953);