blob: 8d39a243f8d1e874a69a24df7d56df87028c142e [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -04001// SPDX-License-Identifier: GPL-2.0+
Simon Glass53fbb7e2013-05-07 06:11:53 +00002/*
3 * Copyright (c) 2013, Google Inc.
4 *
5 * (C) Copyright 2008 Semihalf
6 *
7 * (C) Copyright 2000-2006
8 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
Simon Glass53fbb7e2013-05-07 06:11:53 +00009 */
10
11#ifdef USE_HOSTCC
12#include "mkimage.h"
Simon Glass53fbb7e2013-05-07 06:11:53 +000013#include <time.h>
14#else
Andreas Dannenbergeba3fbd2016-07-27 12:12:39 -050015#include <linux/compiler.h>
York Sun020198b2016-11-23 09:25:09 -080016#include <linux/kconfig.h>
Simon Glass53fbb7e2013-05-07 06:11:53 +000017#include <common.h>
Simon Glass782cfbb2013-05-16 13:53:21 +000018#include <errno.h>
Joe Hershberger0eb25b62015-03-22 17:08:59 -050019#include <mapmem.h>
Simon Glass782cfbb2013-05-16 13:53:21 +000020#include <asm/io.h>
Pantelis Antoniou169043d2017-09-04 23:12:16 +030021#include <malloc.h>
Simon Glass782cfbb2013-05-16 13:53:21 +000022DECLARE_GLOBAL_DATA_PTR;
Simon Glass53fbb7e2013-05-07 06:11:53 +000023#endif /* !USE_HOSTCC*/
24
Andreas Dannenbergeba3fbd2016-07-27 12:12:39 -050025#include <image.h>
Simon Glass53fbb7e2013-05-07 06:11:53 +000026#include <bootstage.h>
Simon Glass53fbb7e2013-05-07 06:11:53 +000027#include <u-boot/crc.h>
28#include <u-boot/md5.h>
Jeroen Hofstee2b9912e2014-06-12 22:27:12 +020029#include <u-boot/sha1.h>
30#include <u-boot/sha256.h>
Simon Glass53fbb7e2013-05-07 06:11:53 +000031
32/*****************************************************************************/
33/* New uImage format routines */
34/*****************************************************************************/
35#ifndef USE_HOSTCC
36static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr,
37 ulong *addr, const char **name)
38{
39 const char *sep;
40
41 *addr = addr_curr;
42 *name = NULL;
43
44 sep = strchr(spec, sepc);
45 if (sep) {
46 if (sep - spec > 0)
47 *addr = simple_strtoul(spec, NULL, 16);
48
49 *name = sep + 1;
50 return 1;
51 }
52
53 return 0;
54}
55
56/**
57 * fit_parse_conf - parse FIT configuration spec
58 * @spec: input string, containing configuration spec
59 * @add_curr: current image address (to be used as a possible default)
60 * @addr: pointer to a ulong variable, will hold FIT image address of a given
61 * configuration
62 * @conf_name double pointer to a char, will hold pointer to a configuration
63 * unit name
64 *
Masahiro Yamada069d5942013-09-18 09:36:38 +090065 * fit_parse_conf() expects configuration spec in the form of [<addr>]#<conf>,
Simon Glass53fbb7e2013-05-07 06:11:53 +000066 * where <addr> is a FIT image address that contains configuration
67 * with a <conf> unit name.
68 *
69 * Address part is optional, and if omitted default add_curr will
70 * be used instead.
71 *
72 * returns:
73 * 1 if spec is a valid configuration string,
74 * addr and conf_name are set accordingly
75 * 0 otherwise
76 */
77int fit_parse_conf(const char *spec, ulong addr_curr,
78 ulong *addr, const char **conf_name)
79{
80 return fit_parse_spec(spec, '#', addr_curr, addr, conf_name);
81}
82
83/**
84 * fit_parse_subimage - parse FIT subimage spec
85 * @spec: input string, containing subimage spec
86 * @add_curr: current image address (to be used as a possible default)
87 * @addr: pointer to a ulong variable, will hold FIT image address of a given
88 * subimage
89 * @image_name: double pointer to a char, will hold pointer to a subimage name
90 *
Masahiro Yamada069d5942013-09-18 09:36:38 +090091 * fit_parse_subimage() expects subimage spec in the form of
Simon Glass53fbb7e2013-05-07 06:11:53 +000092 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains
93 * subimage with a <subimg> unit name.
94 *
95 * Address part is optional, and if omitted default add_curr will
96 * be used instead.
97 *
98 * returns:
99 * 1 if spec is a valid subimage string,
100 * addr and image_name are set accordingly
101 * 0 otherwise
102 */
103int fit_parse_subimage(const char *spec, ulong addr_curr,
104 ulong *addr, const char **image_name)
105{
106 return fit_parse_spec(spec, ':', addr_curr, addr, image_name);
107}
108#endif /* !USE_HOSTCC */
109
110static void fit_get_debug(const void *fit, int noffset,
111 char *prop_name, int err)
112{
113 debug("Can't get '%s' property from FIT 0x%08lx, node: offset %d, name %s (%s)\n",
114 prop_name, (ulong)fit, noffset, fit_get_name(fit, noffset, NULL),
115 fdt_strerror(err));
116}
117
Guilherme Maciel Ferreira39931f92015-01-15 02:54:42 -0200118/**
119 * fit_get_subimage_count - get component (sub-image) count
120 * @fit: pointer to the FIT format image header
121 * @images_noffset: offset of images node
122 *
123 * returns:
124 * number of image components
125 */
126int fit_get_subimage_count(const void *fit, int images_noffset)
127{
128 int noffset;
129 int ndepth;
130 int count = 0;
131
132 /* Process its subnodes, print out component images details */
133 for (ndepth = 0, count = 0,
134 noffset = fdt_next_node(fit, images_noffset, &ndepth);
135 (noffset >= 0) && (ndepth > 0);
136 noffset = fdt_next_node(fit, noffset, &ndepth)) {
137 if (ndepth == 1) {
138 count++;
139 }
140 }
141
142 return count;
143}
144
Marek Vasutb527b9c2018-05-13 00:22:52 +0200145#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_FIT_PRINT)
Simon Glass53fbb7e2013-05-07 06:11:53 +0000146/**
Tom Rini16c4b162018-05-08 14:34:05 -0400147 * fit_image_print_data() - prints out the hash node details
148 * @fit: pointer to the FIT format image header
149 * @noffset: offset of the hash node
150 * @p: pointer to prefix string
151 * @type: Type of information to print ("hash" or "sign")
152 *
153 * fit_image_print_data() lists properties for the processed hash node
154 *
155 * This function avoid using puts() since it prints a newline on the host
156 * but does not in U-Boot.
157 *
158 * returns:
159 * no returned results
160 */
161static void fit_image_print_data(const void *fit, int noffset, const char *p,
162 const char *type)
163{
164 const char *keyname;
165 uint8_t *value;
166 int value_len;
167 char *algo;
168 int required;
169 int ret, i;
170
171 debug("%s %s node: '%s'\n", p, type,
172 fit_get_name(fit, noffset, NULL));
173 printf("%s %s algo: ", p, type);
174 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
175 printf("invalid/unsupported\n");
176 return;
177 }
178 printf("%s", algo);
179 keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL);
180 required = fdt_getprop(fit, noffset, "required", NULL) != NULL;
181 if (keyname)
182 printf(":%s", keyname);
183 if (required)
184 printf(" (required)");
185 printf("\n");
186
187 ret = fit_image_hash_get_value(fit, noffset, &value,
188 &value_len);
189 printf("%s %s value: ", p, type);
190 if (ret) {
191 printf("unavailable\n");
192 } else {
193 for (i = 0; i < value_len; i++)
194 printf("%02x", value[i]);
195 printf("\n");
196 }
197
198 debug("%s %s len: %d\n", p, type, value_len);
199
200 /* Signatures have a time stamp */
201 if (IMAGE_ENABLE_TIMESTAMP && keyname) {
202 time_t timestamp;
203
204 printf("%s Timestamp: ", p);
205 if (fit_get_timestamp(fit, noffset, &timestamp))
206 printf("unavailable\n");
207 else
208 genimg_print_time(timestamp);
209 }
210}
211
212/**
213 * fit_image_print_verification_data() - prints out the hash/signature details
214 * @fit: pointer to the FIT format image header
215 * @noffset: offset of the hash or signature node
216 * @p: pointer to prefix string
217 *
218 * This lists properties for the processed hash node
219 *
220 * returns:
221 * no returned results
222 */
223static void fit_image_print_verification_data(const void *fit, int noffset,
224 const char *p)
225{
226 const char *name;
227
228 /*
229 * Check subnode name, must be equal to "hash" or "signature".
230 * Multiple hash/signature nodes require unique unit node
231 * names, e.g. hash-1, hash-2, signature-1, signature-2, etc.
232 */
233 name = fit_get_name(fit, noffset, NULL);
234 if (!strncmp(name, FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME))) {
235 fit_image_print_data(fit, noffset, p, "Hash");
236 } else if (!strncmp(name, FIT_SIG_NODENAME,
237 strlen(FIT_SIG_NODENAME))) {
238 fit_image_print_data(fit, noffset, p, "Sign");
239 }
240}
241
242/**
243 * fit_conf_print - prints out the FIT configuration details
244 * @fit: pointer to the FIT format image header
245 * @noffset: offset of the configuration node
246 * @p: pointer to prefix string
247 *
248 * fit_conf_print() lists all mandatory properties for the processed
249 * configuration node.
250 *
251 * returns:
252 * no returned results
253 */
254static void fit_conf_print(const void *fit, int noffset, const char *p)
255{
256 char *desc;
257 const char *uname;
258 int ret;
259 int fdt_index, loadables_index;
260 int ndepth;
261
262 /* Mandatory properties */
263 ret = fit_get_desc(fit, noffset, &desc);
264 printf("%s Description: ", p);
265 if (ret)
266 printf("unavailable\n");
267 else
268 printf("%s\n", desc);
269
270 uname = fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL);
271 printf("%s Kernel: ", p);
272 if (!uname)
273 printf("unavailable\n");
274 else
275 printf("%s\n", uname);
276
277 /* Optional properties */
278 uname = fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL);
279 if (uname)
280 printf("%s Init Ramdisk: %s\n", p, uname);
281
282 uname = fdt_getprop(fit, noffset, FIT_FIRMWARE_PROP, NULL);
283 if (uname)
284 printf("%s Firmware: %s\n", p, uname);
285
286 for (fdt_index = 0;
287 uname = fdt_stringlist_get(fit, noffset, FIT_FDT_PROP,
288 fdt_index, NULL), uname;
289 fdt_index++) {
290 if (fdt_index == 0)
291 printf("%s FDT: ", p);
292 else
293 printf("%s ", p);
294 printf("%s\n", uname);
295 }
296
297 uname = fdt_getprop(fit, noffset, FIT_FPGA_PROP, NULL);
298 if (uname)
299 printf("%s FPGA: %s\n", p, uname);
300
301 /* Print out all of the specified loadables */
302 for (loadables_index = 0;
303 uname = fdt_stringlist_get(fit, noffset, FIT_LOADABLE_PROP,
304 loadables_index, NULL), uname;
305 loadables_index++) {
306 if (loadables_index == 0) {
307 printf("%s Loadables: ", p);
308 } else {
309 printf("%s ", p);
310 }
311 printf("%s\n", uname);
312 }
313
314 /* Process all hash subnodes of the component configuration node */
315 for (ndepth = 0, noffset = fdt_next_node(fit, noffset, &ndepth);
316 (noffset >= 0) && (ndepth > 0);
317 noffset = fdt_next_node(fit, noffset, &ndepth)) {
318 if (ndepth == 1) {
319 /* Direct child node of the component configuration node */
320 fit_image_print_verification_data(fit, noffset, p);
321 }
322 }
323}
324
325/**
Simon Glass53fbb7e2013-05-07 06:11:53 +0000326 * fit_print_contents - prints out the contents of the FIT format image
327 * @fit: pointer to the FIT format image header
328 * @p: pointer to prefix string
329 *
330 * fit_print_contents() formats a multi line FIT image contents description.
Andreas Dannenberge17adbb2016-06-15 17:00:19 -0500331 * The routine prints out FIT image properties (root node level) followed by
Simon Glass53fbb7e2013-05-07 06:11:53 +0000332 * the details of each component image.
333 *
334 * returns:
335 * no returned results
336 */
337void fit_print_contents(const void *fit)
338{
339 char *desc;
340 char *uname;
341 int images_noffset;
342 int confs_noffset;
343 int noffset;
344 int ndepth;
345 int count = 0;
346 int ret;
347 const char *p;
348 time_t timestamp;
349
Simon Glass1fe7d932013-05-08 08:05:58 +0000350 /* Indent string is defined in header image.h */
351 p = IMAGE_INDENT_STRING;
Simon Glass53fbb7e2013-05-07 06:11:53 +0000352
353 /* Root node properties */
354 ret = fit_get_desc(fit, 0, &desc);
355 printf("%sFIT description: ", p);
356 if (ret)
357 printf("unavailable\n");
358 else
359 printf("%s\n", desc);
360
361 if (IMAGE_ENABLE_TIMESTAMP) {
362 ret = fit_get_timestamp(fit, 0, &timestamp);
363 printf("%sCreated: ", p);
364 if (ret)
365 printf("unavailable\n");
366 else
367 genimg_print_time(timestamp);
368 }
369
370 /* Find images parent node offset */
371 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
372 if (images_noffset < 0) {
373 printf("Can't find images parent node '%s' (%s)\n",
374 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
375 return;
376 }
377
378 /* Process its subnodes, print out component images details */
379 for (ndepth = 0, count = 0,
380 noffset = fdt_next_node(fit, images_noffset, &ndepth);
381 (noffset >= 0) && (ndepth > 0);
382 noffset = fdt_next_node(fit, noffset, &ndepth)) {
383 if (ndepth == 1) {
384 /*
385 * Direct child node of the images parent node,
386 * i.e. component image node.
387 */
388 printf("%s Image %u (%s)\n", p, count++,
389 fit_get_name(fit, noffset, NULL));
390
391 fit_image_print(fit, noffset, p);
392 }
393 }
394
395 /* Find configurations parent node offset */
396 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
397 if (confs_noffset < 0) {
398 debug("Can't get configurations parent node '%s' (%s)\n",
399 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
400 return;
401 }
402
403 /* get default configuration unit name from default property */
404 uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL);
405 if (uname)
406 printf("%s Default Configuration: '%s'\n", p, uname);
407
408 /* Process its subnodes, print out configurations details */
409 for (ndepth = 0, count = 0,
410 noffset = fdt_next_node(fit, confs_noffset, &ndepth);
411 (noffset >= 0) && (ndepth > 0);
412 noffset = fdt_next_node(fit, noffset, &ndepth)) {
413 if (ndepth == 1) {
414 /*
415 * Direct child node of the configurations parent node,
416 * i.e. configuration node.
417 */
418 printf("%s Configuration %u (%s)\n", p, count++,
419 fit_get_name(fit, noffset, NULL));
420
421 fit_conf_print(fit, noffset, p);
422 }
423 }
424}
425
426/**
427 * fit_image_print - prints out the FIT component image details
428 * @fit: pointer to the FIT format image header
429 * @image_noffset: offset of the component image node
430 * @p: pointer to prefix string
431 *
Andreas Dannenberge17adbb2016-06-15 17:00:19 -0500432 * fit_image_print() lists all mandatory properties for the processed component
Simon Glass53fbb7e2013-05-07 06:11:53 +0000433 * image. If present, hash nodes are printed out as well. Load
434 * address for images of type firmware is also printed out. Since the load
435 * address is not mandatory for firmware images, it will be output as
436 * "unavailable" when not present.
437 *
438 * returns:
439 * no returned results
440 */
441void fit_image_print(const void *fit, int image_noffset, const char *p)
442{
443 char *desc;
444 uint8_t type, arch, os, comp;
445 size_t size;
446 ulong load, entry;
447 const void *data;
448 int noffset;
449 int ndepth;
450 int ret;
451
452 /* Mandatory properties */
453 ret = fit_get_desc(fit, image_noffset, &desc);
454 printf("%s Description: ", p);
455 if (ret)
456 printf("unavailable\n");
457 else
458 printf("%s\n", desc);
459
Simon Glass1fd1e2f2013-07-16 20:10:01 -0700460 if (IMAGE_ENABLE_TIMESTAMP) {
461 time_t timestamp;
462
463 ret = fit_get_timestamp(fit, 0, &timestamp);
464 printf("%s Created: ", p);
465 if (ret)
466 printf("unavailable\n");
467 else
468 genimg_print_time(timestamp);
469 }
470
Simon Glass53fbb7e2013-05-07 06:11:53 +0000471 fit_image_get_type(fit, image_noffset, &type);
472 printf("%s Type: %s\n", p, genimg_get_type_name(type));
473
474 fit_image_get_comp(fit, image_noffset, &comp);
475 printf("%s Compression: %s\n", p, genimg_get_comp_name(comp));
476
Kelvin Cheungc3c86382018-05-19 18:21:37 +0800477 ret = fit_image_get_data_and_size(fit, image_noffset, &data, &size);
Simon Glass53fbb7e2013-05-07 06:11:53 +0000478
479#ifndef USE_HOSTCC
480 printf("%s Data Start: ", p);
Simon Glassc6ac13b2013-05-16 13:53:26 +0000481 if (ret) {
Simon Glass53fbb7e2013-05-07 06:11:53 +0000482 printf("unavailable\n");
Simon Glassc6ac13b2013-05-16 13:53:26 +0000483 } else {
484 void *vdata = (void *)data;
485
486 printf("0x%08lx\n", (ulong)map_to_sysmem(vdata));
487 }
Simon Glass53fbb7e2013-05-07 06:11:53 +0000488#endif
489
490 printf("%s Data Size: ", p);
491 if (ret)
492 printf("unavailable\n");
493 else
494 genimg_print_size(size);
495
496 /* Remaining, type dependent properties */
497 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
498 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) ||
499 (type == IH_TYPE_FLATDT)) {
500 fit_image_get_arch(fit, image_noffset, &arch);
501 printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch));
502 }
503
Michal Simek6faf4622018-03-26 16:31:27 +0200504 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK) ||
505 (type == IH_TYPE_FIRMWARE)) {
Simon Glass53fbb7e2013-05-07 06:11:53 +0000506 fit_image_get_os(fit, image_noffset, &os);
507 printf("%s OS: %s\n", p, genimg_get_os_name(os));
508 }
509
510 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
Michal Simek62afc602016-05-17 14:03:50 +0200511 (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK) ||
512 (type == IH_TYPE_FPGA)) {
Simon Glass53fbb7e2013-05-07 06:11:53 +0000513 ret = fit_image_get_load(fit, image_noffset, &load);
514 printf("%s Load Address: ", p);
515 if (ret)
516 printf("unavailable\n");
517 else
518 printf("0x%08lx\n", load);
519 }
520
Pantelis Antoniou169043d2017-09-04 23:12:16 +0300521 /* optional load address for FDT */
522 if (type == IH_TYPE_FLATDT && !fit_image_get_load(fit, image_noffset, &load))
523 printf("%s Load Address: 0x%08lx\n", p, load);
524
Simon Glass53fbb7e2013-05-07 06:11:53 +0000525 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
526 (type == IH_TYPE_RAMDISK)) {
York Sun60047652016-02-29 15:48:40 -0800527 ret = fit_image_get_entry(fit, image_noffset, &entry);
Simon Glass53fbb7e2013-05-07 06:11:53 +0000528 printf("%s Entry Point: ", p);
529 if (ret)
530 printf("unavailable\n");
531 else
532 printf("0x%08lx\n", entry);
533 }
534
535 /* Process all hash subnodes of the component image node */
536 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
537 (noffset >= 0) && (ndepth > 0);
538 noffset = fdt_next_node(fit, noffset, &ndepth)) {
539 if (ndepth == 1) {
540 /* Direct child node of the component image node */
Simon Glassd8b75362013-05-07 06:12:02 +0000541 fit_image_print_verification_data(fit, noffset, p);
Simon Glass53fbb7e2013-05-07 06:11:53 +0000542 }
543 }
544}
Marek Vasuta3c43b12018-05-13 00:22:53 +0200545#else
546void fit_print_contents(const void *fit) { }
547void fit_image_print(const void *fit, int image_noffset, const char *p) { }
Marek Vasutb527b9c2018-05-13 00:22:52 +0200548#endif /* !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_FIT_PRINT) */
Simon Glass53fbb7e2013-05-07 06:11:53 +0000549
550/**
Simon Glass53fbb7e2013-05-07 06:11:53 +0000551 * fit_get_desc - get node description property
552 * @fit: pointer to the FIT format image header
553 * @noffset: node offset
Andreas Dannenberge17adbb2016-06-15 17:00:19 -0500554 * @desc: double pointer to the char, will hold pointer to the description
Simon Glass53fbb7e2013-05-07 06:11:53 +0000555 *
556 * fit_get_desc() reads description property from a given node, if
Andreas Dannenberge17adbb2016-06-15 17:00:19 -0500557 * description is found pointer to it is returned in third call argument.
Simon Glass53fbb7e2013-05-07 06:11:53 +0000558 *
559 * returns:
560 * 0, on success
561 * -1, on failure
562 */
563int fit_get_desc(const void *fit, int noffset, char **desc)
564{
565 int len;
566
567 *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len);
568 if (*desc == NULL) {
569 fit_get_debug(fit, noffset, FIT_DESC_PROP, len);
570 return -1;
571 }
572
573 return 0;
574}
575
576/**
577 * fit_get_timestamp - get node timestamp property
578 * @fit: pointer to the FIT format image header
579 * @noffset: node offset
580 * @timestamp: pointer to the time_t, will hold read timestamp
581 *
Andreas Dannenberge17adbb2016-06-15 17:00:19 -0500582 * fit_get_timestamp() reads timestamp property from given node, if timestamp
583 * is found and has a correct size its value is returned in third call
Simon Glass53fbb7e2013-05-07 06:11:53 +0000584 * argument.
585 *
586 * returns:
587 * 0, on success
588 * -1, on property read failure
589 * -2, on wrong timestamp size
590 */
591int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp)
592{
593 int len;
594 const void *data;
595
596 data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len);
597 if (data == NULL) {
598 fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len);
599 return -1;
600 }
601 if (len != sizeof(uint32_t)) {
602 debug("FIT timestamp with incorrect size of (%u)\n", len);
603 return -2;
604 }
605
606 *timestamp = uimage_to_cpu(*((uint32_t *)data));
607 return 0;
608}
609
610/**
611 * fit_image_get_node - get node offset for component image of a given unit name
612 * @fit: pointer to the FIT format image header
613 * @image_uname: component image node unit name
614 *
Andreas Dannenberge17adbb2016-06-15 17:00:19 -0500615 * fit_image_get_node() finds a component image (within the '/images'
Simon Glass53fbb7e2013-05-07 06:11:53 +0000616 * node) of a provided unit name. If image is found its node offset is
617 * returned to the caller.
618 *
619 * returns:
620 * image node offset when found (>=0)
621 * negative number on failure (FDT_ERR_* code)
622 */
623int fit_image_get_node(const void *fit, const char *image_uname)
624{
625 int noffset, images_noffset;
626
627 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
628 if (images_noffset < 0) {
629 debug("Can't find images parent node '%s' (%s)\n",
630 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
631 return images_noffset;
632 }
633
634 noffset = fdt_subnode_offset(fit, images_noffset, image_uname);
635 if (noffset < 0) {
636 debug("Can't get node offset for image unit name: '%s' (%s)\n",
637 image_uname, fdt_strerror(noffset));
638 }
639
640 return noffset;
641}
642
643/**
644 * fit_image_get_os - get os id for a given component image node
645 * @fit: pointer to the FIT format image header
646 * @noffset: component image node offset
647 * @os: pointer to the uint8_t, will hold os numeric id
648 *
649 * fit_image_get_os() finds os property in a given component image node.
650 * If the property is found, its (string) value is translated to the numeric
651 * id which is returned to the caller.
652 *
653 * returns:
654 * 0, on success
655 * -1, on failure
656 */
657int fit_image_get_os(const void *fit, int noffset, uint8_t *os)
658{
659 int len;
660 const void *data;
661
662 /* Get OS name from property data */
663 data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len);
664 if (data == NULL) {
665 fit_get_debug(fit, noffset, FIT_OS_PROP, len);
666 *os = -1;
667 return -1;
668 }
669
670 /* Translate OS name to id */
671 *os = genimg_get_os_id(data);
672 return 0;
673}
674
675/**
676 * fit_image_get_arch - get arch id for a given component image node
677 * @fit: pointer to the FIT format image header
678 * @noffset: component image node offset
679 * @arch: pointer to the uint8_t, will hold arch numeric id
680 *
681 * fit_image_get_arch() finds arch property in a given component image node.
682 * If the property is found, its (string) value is translated to the numeric
683 * id which is returned to the caller.
684 *
685 * returns:
686 * 0, on success
687 * -1, on failure
688 */
689int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch)
690{
691 int len;
692 const void *data;
693
694 /* Get architecture name from property data */
695 data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len);
696 if (data == NULL) {
697 fit_get_debug(fit, noffset, FIT_ARCH_PROP, len);
698 *arch = -1;
699 return -1;
700 }
701
702 /* Translate architecture name to id */
703 *arch = genimg_get_arch_id(data);
704 return 0;
705}
706
707/**
708 * fit_image_get_type - get type id for a given component image node
709 * @fit: pointer to the FIT format image header
710 * @noffset: component image node offset
711 * @type: pointer to the uint8_t, will hold type numeric id
712 *
713 * fit_image_get_type() finds type property in a given component image node.
714 * If the property is found, its (string) value is translated to the numeric
715 * id which is returned to the caller.
716 *
717 * returns:
718 * 0, on success
719 * -1, on failure
720 */
721int fit_image_get_type(const void *fit, int noffset, uint8_t *type)
722{
723 int len;
724 const void *data;
725
726 /* Get image type name from property data */
727 data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len);
728 if (data == NULL) {
729 fit_get_debug(fit, noffset, FIT_TYPE_PROP, len);
730 *type = -1;
731 return -1;
732 }
733
734 /* Translate image type name to id */
735 *type = genimg_get_type_id(data);
736 return 0;
737}
738
739/**
740 * fit_image_get_comp - get comp id for a given component image node
741 * @fit: pointer to the FIT format image header
742 * @noffset: component image node offset
743 * @comp: pointer to the uint8_t, will hold comp numeric id
744 *
745 * fit_image_get_comp() finds comp property in a given component image node.
746 * If the property is found, its (string) value is translated to the numeric
747 * id which is returned to the caller.
748 *
749 * returns:
750 * 0, on success
751 * -1, on failure
752 */
753int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp)
754{
755 int len;
756 const void *data;
757
758 /* Get compression name from property data */
759 data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len);
760 if (data == NULL) {
761 fit_get_debug(fit, noffset, FIT_COMP_PROP, len);
762 *comp = -1;
763 return -1;
764 }
765
766 /* Translate compression name to id */
767 *comp = genimg_get_comp_id(data);
768 return 0;
769}
770
York Sun60047652016-02-29 15:48:40 -0800771static int fit_image_get_address(const void *fit, int noffset, char *name,
772 ulong *load)
773{
York Sunc1913cb2016-02-29 15:48:41 -0800774 int len, cell_len;
775 const fdt32_t *cell;
776 uint64_t load64 = 0;
York Sun60047652016-02-29 15:48:40 -0800777
York Sunc1913cb2016-02-29 15:48:41 -0800778 cell = fdt_getprop(fit, noffset, name, &len);
779 if (cell == NULL) {
York Sun60047652016-02-29 15:48:40 -0800780 fit_get_debug(fit, noffset, name, len);
781 return -1;
782 }
783
York Sunc1913cb2016-02-29 15:48:41 -0800784 if (len > sizeof(ulong)) {
785 printf("Unsupported %s address size\n", name);
786 return -1;
787 }
788
789 cell_len = len >> 2;
790 /* Use load64 to avoid compiling warning for 32-bit target */
791 while (cell_len--) {
792 load64 = (load64 << 32) | uimage_to_cpu(*cell);
793 cell++;
794 }
795 *load = (ulong)load64;
York Sun60047652016-02-29 15:48:40 -0800796
797 return 0;
798}
Simon Glass53fbb7e2013-05-07 06:11:53 +0000799/**
800 * fit_image_get_load() - get load addr property for given component image node
801 * @fit: pointer to the FIT format image header
802 * @noffset: component image node offset
803 * @load: pointer to the uint32_t, will hold load address
804 *
805 * fit_image_get_load() finds load address property in a given component
806 * image node. If the property is found, its value is returned to the caller.
807 *
808 * returns:
809 * 0, on success
810 * -1, on failure
811 */
812int fit_image_get_load(const void *fit, int noffset, ulong *load)
813{
York Sun60047652016-02-29 15:48:40 -0800814 return fit_image_get_address(fit, noffset, FIT_LOAD_PROP, load);
Simon Glass53fbb7e2013-05-07 06:11:53 +0000815}
816
817/**
818 * fit_image_get_entry() - get entry point address property
819 * @fit: pointer to the FIT format image header
820 * @noffset: component image node offset
821 * @entry: pointer to the uint32_t, will hold entry point address
822 *
823 * This gets the entry point address property for a given component image
824 * node.
825 *
826 * fit_image_get_entry() finds entry point address property in a given
827 * component image node. If the property is found, its value is returned
828 * to the caller.
829 *
830 * returns:
831 * 0, on success
832 * -1, on failure
833 */
834int fit_image_get_entry(const void *fit, int noffset, ulong *entry)
835{
York Sun60047652016-02-29 15:48:40 -0800836 return fit_image_get_address(fit, noffset, FIT_ENTRY_PROP, entry);
Simon Glass53fbb7e2013-05-07 06:11:53 +0000837}
838
839/**
840 * fit_image_get_data - get data property and its size for a given component image node
841 * @fit: pointer to the FIT format image header
842 * @noffset: component image node offset
843 * @data: double pointer to void, will hold data property's data address
844 * @size: pointer to size_t, will hold data property's data size
845 *
846 * fit_image_get_data() finds data property in a given component image node.
847 * If the property is found its data start address and size are returned to
848 * the caller.
849 *
850 * returns:
851 * 0, on success
852 * -1, on failure
853 */
854int fit_image_get_data(const void *fit, int noffset,
855 const void **data, size_t *size)
856{
857 int len;
858
859 *data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len);
860 if (*data == NULL) {
861 fit_get_debug(fit, noffset, FIT_DATA_PROP, len);
862 *size = 0;
863 return -1;
864 }
865
866 *size = len;
867 return 0;
868}
869
870/**
tomas.melin@vaisala.comdb1b79b2017-01-13 13:20:14 +0200871 * Get 'data-offset' property from a given image node.
872 *
873 * @fit: pointer to the FIT image header
874 * @noffset: component image node offset
875 * @data_offset: holds the data-offset property
876 *
877 * returns:
878 * 0, on success
879 * -ENOENT if the property could not be found
880 */
881int fit_image_get_data_offset(const void *fit, int noffset, int *data_offset)
882{
883 const fdt32_t *val;
884
885 val = fdt_getprop(fit, noffset, FIT_DATA_OFFSET_PROP, NULL);
886 if (!val)
887 return -ENOENT;
888
889 *data_offset = fdt32_to_cpu(*val);
890
891 return 0;
892}
893
894/**
Peng Fana1be94b2017-12-05 13:20:59 +0800895 * Get 'data-position' property from a given image node.
896 *
897 * @fit: pointer to the FIT image header
898 * @noffset: component image node offset
899 * @data_position: holds the data-position property
900 *
901 * returns:
902 * 0, on success
903 * -ENOENT if the property could not be found
904 */
905int fit_image_get_data_position(const void *fit, int noffset,
906 int *data_position)
907{
908 const fdt32_t *val;
909
910 val = fdt_getprop(fit, noffset, FIT_DATA_POSITION_PROP, NULL);
911 if (!val)
912 return -ENOENT;
913
914 *data_position = fdt32_to_cpu(*val);
915
916 return 0;
917}
918
919/**
tomas.melin@vaisala.comdb1b79b2017-01-13 13:20:14 +0200920 * Get 'data-size' property from a given image node.
921 *
922 * @fit: pointer to the FIT image header
923 * @noffset: component image node offset
924 * @data_size: holds the data-size property
925 *
926 * returns:
927 * 0, on success
928 * -ENOENT if the property could not be found
929 */
930int fit_image_get_data_size(const void *fit, int noffset, int *data_size)
931{
932 const fdt32_t *val;
933
934 val = fdt_getprop(fit, noffset, FIT_DATA_SIZE_PROP, NULL);
935 if (!val)
936 return -ENOENT;
937
938 *data_size = fdt32_to_cpu(*val);
939
940 return 0;
941}
942
943/**
Kelvin Cheungc3c86382018-05-19 18:21:37 +0800944 * fit_image_get_data_and_size - get data and its size including
945 * both embedded and external data
946 * @fit: pointer to the FIT format image header
947 * @noffset: component image node offset
948 * @data: double pointer to void, will hold data property's data address
949 * @size: pointer to size_t, will hold data property's data size
950 *
951 * fit_image_get_data_and_size() finds data and its size including
952 * both embedded and external data. If the property is found
953 * its data start address and size are returned to the caller.
954 *
955 * returns:
956 * 0, on success
957 * otherwise, on failure
958 */
959int fit_image_get_data_and_size(const void *fit, int noffset,
960 const void **data, size_t *size)
961{
962 bool external_data = false;
963 int offset;
964 int len;
965 int ret;
966
967 if (!fit_image_get_data_position(fit, noffset, &offset)) {
968 external_data = true;
969 } else if (!fit_image_get_data_offset(fit, noffset, &offset)) {
970 external_data = true;
971 /*
972 * For FIT with external data, figure out where
973 * the external images start. This is the base
974 * for the data-offset properties in each image.
975 */
976 offset += ((fdt_totalsize(fit) + 3) & ~3);
977 }
978
979 if (external_data) {
980 debug("External Data\n");
981 ret = fit_image_get_data_size(fit, noffset, &len);
982 *data = fit + offset;
983 *size = len;
984 } else {
985 ret = fit_image_get_data(fit, noffset, data, size);
986 }
987
988 return ret;
989}
990
991/**
Simon Glass53fbb7e2013-05-07 06:11:53 +0000992 * fit_image_hash_get_algo - get hash algorithm name
993 * @fit: pointer to the FIT format image header
994 * @noffset: hash node offset
995 * @algo: double pointer to char, will hold pointer to the algorithm name
996 *
997 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node.
998 * If the property is found its data start address is returned to the caller.
999 *
1000 * returns:
1001 * 0, on success
1002 * -1, on failure
1003 */
1004int fit_image_hash_get_algo(const void *fit, int noffset, char **algo)
1005{
1006 int len;
1007
1008 *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len);
1009 if (*algo == NULL) {
1010 fit_get_debug(fit, noffset, FIT_ALGO_PROP, len);
1011 return -1;
1012 }
1013
1014 return 0;
1015}
1016
1017/**
1018 * fit_image_hash_get_value - get hash value and length
1019 * @fit: pointer to the FIT format image header
1020 * @noffset: hash node offset
1021 * @value: double pointer to uint8_t, will hold address of a hash value data
1022 * @value_len: pointer to an int, will hold hash data length
1023 *
1024 * fit_image_hash_get_value() finds hash value property in a given hash node.
1025 * If the property is found its data start address and size are returned to
1026 * the caller.
1027 *
1028 * returns:
1029 * 0, on success
1030 * -1, on failure
1031 */
1032int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
1033 int *value_len)
1034{
1035 int len;
1036
1037 *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len);
1038 if (*value == NULL) {
1039 fit_get_debug(fit, noffset, FIT_VALUE_PROP, len);
1040 *value_len = 0;
1041 return -1;
1042 }
1043
1044 *value_len = len;
1045 return 0;
1046}
1047
Simon Glass53fbb7e2013-05-07 06:11:53 +00001048/**
1049 * fit_image_hash_get_ignore - get hash ignore flag
1050 * @fit: pointer to the FIT format image header
1051 * @noffset: hash node offset
1052 * @ignore: pointer to an int, will hold hash ignore flag
1053 *
1054 * fit_image_hash_get_ignore() finds hash ignore property in a given hash node.
1055 * If the property is found and non-zero, the hash algorithm is not verified by
1056 * u-boot automatically.
1057 *
1058 * returns:
1059 * 0, on ignore not found
1060 * value, on ignore found
1061 */
Simon Glassab9efc62013-05-07 06:11:58 +00001062static int fit_image_hash_get_ignore(const void *fit, int noffset, int *ignore)
Simon Glass53fbb7e2013-05-07 06:11:53 +00001063{
1064 int len;
1065 int *value;
1066
1067 value = (int *)fdt_getprop(fit, noffset, FIT_IGNORE_PROP, &len);
1068 if (value == NULL || len != sizeof(int))
1069 *ignore = 0;
1070 else
1071 *ignore = *value;
1072
1073 return 0;
1074}
Simon Glass53fbb7e2013-05-07 06:11:53 +00001075
Simon Glass7a80de42016-02-24 09:14:42 -07001076ulong fit_get_end(const void *fit)
1077{
1078 return map_to_sysmem((void *)(fit + fdt_totalsize(fit)));
1079}
1080
Simon Glass53fbb7e2013-05-07 06:11:53 +00001081/**
1082 * fit_set_timestamp - set node timestamp property
1083 * @fit: pointer to the FIT format image header
1084 * @noffset: node offset
1085 * @timestamp: timestamp value to be set
1086 *
1087 * fit_set_timestamp() attempts to set timestamp property in the requested
1088 * node and returns operation status to the caller.
1089 *
1090 * returns:
1091 * 0, on success
Simon Glass4f427a42014-06-02 22:04:51 -06001092 * -ENOSPC if no space in device tree, -1 for other error
Simon Glass53fbb7e2013-05-07 06:11:53 +00001093 */
1094int fit_set_timestamp(void *fit, int noffset, time_t timestamp)
1095{
1096 uint32_t t;
1097 int ret;
1098
1099 t = cpu_to_uimage(timestamp);
1100 ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t,
1101 sizeof(uint32_t));
1102 if (ret) {
Simon Glass8df81e12016-05-01 13:55:37 -06001103 debug("Can't set '%s' property for '%s' node (%s)\n",
1104 FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL),
1105 fdt_strerror(ret));
Simon Glass4f427a42014-06-02 22:04:51 -06001106 return ret == -FDT_ERR_NOSPACE ? -ENOSPC : -1;
Simon Glass53fbb7e2013-05-07 06:11:53 +00001107 }
1108
1109 return 0;
1110}
1111
1112/**
1113 * calculate_hash - calculate and return hash for provided input data
1114 * @data: pointer to the input data
1115 * @data_len: data length
1116 * @algo: requested hash algorithm
1117 * @value: pointer to the char, will hold hash value data (caller must
1118 * allocate enough free space)
1119 * value_len: length of the calculated hash
1120 *
1121 * calculate_hash() computes input data hash according to the requested
1122 * algorithm.
1123 * Resulting hash value is placed in caller provided 'value' buffer, length
1124 * of the calculated hash is returned via value_len pointer argument.
1125 *
1126 * returns:
1127 * 0, on success
1128 * -1, when algo is unsupported
1129 */
Simon Glass604f23d2013-05-07 06:11:54 +00001130int calculate_hash(const void *data, int data_len, const char *algo,
Simon Glass53fbb7e2013-05-07 06:11:53 +00001131 uint8_t *value, int *value_len)
1132{
Simon Glass87ebee32013-05-08 08:05:59 +00001133 if (IMAGE_ENABLE_CRC32 && strcmp(algo, "crc32") == 0) {
Simon Glass53fbb7e2013-05-07 06:11:53 +00001134 *((uint32_t *)value) = crc32_wd(0, data, data_len,
1135 CHUNKSZ_CRC32);
1136 *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value));
1137 *value_len = 4;
Simon Glass87ebee32013-05-08 08:05:59 +00001138 } else if (IMAGE_ENABLE_SHA1 && strcmp(algo, "sha1") == 0) {
Simon Glass53fbb7e2013-05-07 06:11:53 +00001139 sha1_csum_wd((unsigned char *)data, data_len,
1140 (unsigned char *)value, CHUNKSZ_SHA1);
1141 *value_len = 20;
Heiko Schocher2842c1c2014-03-03 12:19:25 +01001142 } else if (IMAGE_ENABLE_SHA256 && strcmp(algo, "sha256") == 0) {
1143 sha256_csum_wd((unsigned char *)data, data_len,
1144 (unsigned char *)value, CHUNKSZ_SHA256);
1145 *value_len = SHA256_SUM_LEN;
Simon Glass87ebee32013-05-08 08:05:59 +00001146 } else if (IMAGE_ENABLE_MD5 && strcmp(algo, "md5") == 0) {
Simon Glass53fbb7e2013-05-07 06:11:53 +00001147 md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5);
1148 *value_len = 16;
1149 } else {
1150 debug("Unsupported hash alogrithm\n");
1151 return -1;
1152 }
1153 return 0;
1154}
1155
Simon Glassab9efc62013-05-07 06:11:58 +00001156static int fit_image_check_hash(const void *fit, int noffset, const void *data,
1157 size_t size, char **err_msgp)
1158{
1159 uint8_t value[FIT_MAX_HASH_LEN];
1160 int value_len;
1161 char *algo;
1162 uint8_t *fit_value;
1163 int fit_value_len;
1164 int ignore;
1165
1166 *err_msgp = NULL;
1167
1168 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
Simon Glasse754da22013-05-07 06:11:59 +00001169 *err_msgp = "Can't get hash algo property";
Simon Glassab9efc62013-05-07 06:11:58 +00001170 return -1;
1171 }
1172 printf("%s", algo);
1173
1174 if (IMAGE_ENABLE_IGNORE) {
1175 fit_image_hash_get_ignore(fit, noffset, &ignore);
1176 if (ignore) {
1177 printf("-skipped ");
1178 return 0;
1179 }
1180 }
1181
1182 if (fit_image_hash_get_value(fit, noffset, &fit_value,
1183 &fit_value_len)) {
Simon Glasse754da22013-05-07 06:11:59 +00001184 *err_msgp = "Can't get hash value property";
Simon Glassab9efc62013-05-07 06:11:58 +00001185 return -1;
1186 }
1187
1188 if (calculate_hash(data, size, algo, value, &value_len)) {
Simon Glasse754da22013-05-07 06:11:59 +00001189 *err_msgp = "Unsupported hash algorithm";
Simon Glassab9efc62013-05-07 06:11:58 +00001190 return -1;
1191 }
1192
1193 if (value_len != fit_value_len) {
Simon Glasse754da22013-05-07 06:11:59 +00001194 *err_msgp = "Bad hash value len";
Simon Glassab9efc62013-05-07 06:11:58 +00001195 return -1;
1196 } else if (memcmp(value, fit_value, value_len) != 0) {
Simon Glasse754da22013-05-07 06:11:59 +00001197 *err_msgp = "Bad hash value";
Simon Glassab9efc62013-05-07 06:11:58 +00001198 return -1;
1199 }
1200
1201 return 0;
1202}
1203
Jun Nie5c643db2018-02-27 16:55:58 +08001204int fit_image_verify_with_data(const void *fit, int image_noffset,
1205 const void *data, size_t size)
Simon Glass53fbb7e2013-05-07 06:11:53 +00001206{
Simon Glass56518e72013-06-13 15:10:01 -07001207 int noffset = 0;
Simon Glass53fbb7e2013-05-07 06:11:53 +00001208 char *err_msg = "";
Simon Glass56518e72013-06-13 15:10:01 -07001209 int verify_all = 1;
1210 int ret;
Simon Glass53fbb7e2013-05-07 06:11:53 +00001211
Simon Glass56518e72013-06-13 15:10:01 -07001212 /* Verify all required signatures */
1213 if (IMAGE_ENABLE_VERIFY &&
1214 fit_image_verify_required_sigs(fit, image_noffset, data, size,
1215 gd_fdt_blob(), &verify_all)) {
1216 err_msg = "Unable to verify required signature";
1217 goto error;
Simon Glass53fbb7e2013-05-07 06:11:53 +00001218 }
1219
1220 /* Process all hash subnodes of the component image node */
Simon Glassdf87e6b2016-10-02 17:59:29 -06001221 fdt_for_each_subnode(noffset, fit, image_noffset) {
Simon Glassab9efc62013-05-07 06:11:58 +00001222 const char *name = fit_get_name(fit, noffset, NULL);
Simon Glass53fbb7e2013-05-07 06:11:53 +00001223
Simon Glassab9efc62013-05-07 06:11:58 +00001224 /*
1225 * Check subnode name, must be equal to "hash".
1226 * Multiple hash nodes require unique unit node
Andre Przywarab2267e82017-12-04 02:05:10 +00001227 * names, e.g. hash-1, hash-2, etc.
Simon Glassab9efc62013-05-07 06:11:58 +00001228 */
1229 if (!strncmp(name, FIT_HASH_NODENAME,
1230 strlen(FIT_HASH_NODENAME))) {
1231 if (fit_image_check_hash(fit, noffset, data, size,
1232 &err_msg))
Simon Glass53fbb7e2013-05-07 06:11:53 +00001233 goto error;
Simon Glassab9efc62013-05-07 06:11:58 +00001234 puts("+ ");
Simon Glass56518e72013-06-13 15:10:01 -07001235 } else if (IMAGE_ENABLE_VERIFY && verify_all &&
1236 !strncmp(name, FIT_SIG_NODENAME,
1237 strlen(FIT_SIG_NODENAME))) {
1238 ret = fit_image_check_sig(fit, noffset, data,
1239 size, -1, &err_msg);
Simon Glass2e33e762016-02-24 09:14:43 -07001240
1241 /*
1242 * Show an indication on failure, but do not return
1243 * an error. Only keys marked 'required' can cause
1244 * an image validation failure. See the call to
1245 * fit_image_verify_required_sigs() above.
1246 */
1247 if (ret)
Simon Glass56518e72013-06-13 15:10:01 -07001248 puts("- ");
1249 else
1250 puts("+ ");
Simon Glass53fbb7e2013-05-07 06:11:53 +00001251 }
1252 }
1253
1254 if (noffset == -FDT_ERR_TRUNCATED || noffset == -FDT_ERR_BADSTRUCTURE) {
Simon Glasse754da22013-05-07 06:11:59 +00001255 err_msg = "Corrupted or truncated tree";
Simon Glass53fbb7e2013-05-07 06:11:53 +00001256 goto error;
1257 }
1258
1259 return 1;
1260
1261error:
Simon Glasse754da22013-05-07 06:11:59 +00001262 printf(" error!\n%s for '%s' hash node in '%s' image node\n",
Simon Glass53fbb7e2013-05-07 06:11:53 +00001263 err_msg, fit_get_name(fit, noffset, NULL),
1264 fit_get_name(fit, image_noffset, NULL));
1265 return 0;
1266}
1267
1268/**
Jun Nie5c643db2018-02-27 16:55:58 +08001269 * fit_image_verify - verify data integrity
1270 * @fit: pointer to the FIT format image header
1271 * @image_noffset: component image node offset
1272 *
1273 * fit_image_verify() goes over component image hash nodes,
1274 * re-calculates each data hash and compares with the value stored in hash
1275 * node.
1276 *
1277 * returns:
1278 * 1, if all hashes are valid
1279 * 0, otherwise (or on error)
1280 */
1281int fit_image_verify(const void *fit, int image_noffset)
1282{
1283 const void *data;
1284 size_t size;
1285 int noffset = 0;
1286 char *err_msg = "";
1287
1288 /* Get image data and data length */
Kelvin Cheungc3c86382018-05-19 18:21:37 +08001289 if (fit_image_get_data_and_size(fit, image_noffset, &data, &size)) {
Jun Nie5c643db2018-02-27 16:55:58 +08001290 err_msg = "Can't get image data/size";
1291 printf("error!\n%s for '%s' hash node in '%s' image node\n",
1292 err_msg, fit_get_name(fit, noffset, NULL),
1293 fit_get_name(fit, image_noffset, NULL));
1294 return 0;
1295 }
1296
1297 return fit_image_verify_with_data(fit, image_noffset, data, size);
1298}
1299
1300/**
Andreas Dannenberge17adbb2016-06-15 17:00:19 -05001301 * fit_all_image_verify - verify data integrity for all images
Simon Glass53fbb7e2013-05-07 06:11:53 +00001302 * @fit: pointer to the FIT format image header
1303 *
Simon Glassb8da8362013-05-07 06:11:57 +00001304 * fit_all_image_verify() goes over all images in the FIT and
Simon Glass53fbb7e2013-05-07 06:11:53 +00001305 * for every images checks if all it's hashes are valid.
1306 *
1307 * returns:
1308 * 1, if all hashes of all images are valid
1309 * 0, otherwise (or on error)
1310 */
Simon Glassb8da8362013-05-07 06:11:57 +00001311int fit_all_image_verify(const void *fit)
Simon Glass53fbb7e2013-05-07 06:11:53 +00001312{
1313 int images_noffset;
1314 int noffset;
1315 int ndepth;
1316 int count;
1317
1318 /* Find images parent node offset */
1319 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1320 if (images_noffset < 0) {
1321 printf("Can't find images parent node '%s' (%s)\n",
1322 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
1323 return 0;
1324 }
1325
1326 /* Process all image subnodes, check hashes for each */
1327 printf("## Checking hash(es) for FIT Image at %08lx ...\n",
1328 (ulong)fit);
1329 for (ndepth = 0, count = 0,
1330 noffset = fdt_next_node(fit, images_noffset, &ndepth);
1331 (noffset >= 0) && (ndepth > 0);
1332 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1333 if (ndepth == 1) {
1334 /*
1335 * Direct child node of the images parent node,
1336 * i.e. component image node.
1337 */
Simon Glass73223f02016-02-22 22:55:43 -07001338 printf(" Hash(es) for Image %u (%s): ", count,
Simon Glass53fbb7e2013-05-07 06:11:53 +00001339 fit_get_name(fit, noffset, NULL));
Simon Glass73223f02016-02-22 22:55:43 -07001340 count++;
Simon Glass53fbb7e2013-05-07 06:11:53 +00001341
Simon Glassb8da8362013-05-07 06:11:57 +00001342 if (!fit_image_verify(fit, noffset))
Simon Glass53fbb7e2013-05-07 06:11:53 +00001343 return 0;
1344 printf("\n");
1345 }
1346 }
1347 return 1;
1348}
1349
1350/**
1351 * fit_image_check_os - check whether image node is of a given os type
1352 * @fit: pointer to the FIT format image header
1353 * @noffset: component image node offset
1354 * @os: requested image os
1355 *
1356 * fit_image_check_os() reads image os property and compares its numeric
1357 * id with the requested os. Comparison result is returned to the caller.
1358 *
1359 * returns:
1360 * 1 if image is of given os type
1361 * 0 otherwise (or on error)
1362 */
1363int fit_image_check_os(const void *fit, int noffset, uint8_t os)
1364{
1365 uint8_t image_os;
1366
1367 if (fit_image_get_os(fit, noffset, &image_os))
1368 return 0;
1369 return (os == image_os);
1370}
1371
1372/**
1373 * fit_image_check_arch - check whether image node is of a given arch
1374 * @fit: pointer to the FIT format image header
1375 * @noffset: component image node offset
1376 * @arch: requested imagearch
1377 *
1378 * fit_image_check_arch() reads image arch property and compares its numeric
1379 * id with the requested arch. Comparison result is returned to the caller.
1380 *
1381 * returns:
1382 * 1 if image is of given arch
1383 * 0 otherwise (or on error)
1384 */
1385int fit_image_check_arch(const void *fit, int noffset, uint8_t arch)
1386{
1387 uint8_t image_arch;
Alison Wangec6617c2016-11-10 10:49:03 +08001388 int aarch32_support = 0;
1389
1390#ifdef CONFIG_ARM64_SUPPORT_AARCH32
1391 aarch32_support = 1;
1392#endif
Simon Glass53fbb7e2013-05-07 06:11:53 +00001393
1394 if (fit_image_get_arch(fit, noffset, &image_arch))
1395 return 0;
Simon Glass5bda35c2014-10-10 08:21:57 -06001396 return (arch == image_arch) ||
Alison Wangec6617c2016-11-10 10:49:03 +08001397 (arch == IH_ARCH_I386 && image_arch == IH_ARCH_X86_64) ||
1398 (arch == IH_ARCH_ARM64 && image_arch == IH_ARCH_ARM &&
1399 aarch32_support);
Simon Glass53fbb7e2013-05-07 06:11:53 +00001400}
1401
1402/**
1403 * fit_image_check_type - check whether image node is of a given type
1404 * @fit: pointer to the FIT format image header
1405 * @noffset: component image node offset
1406 * @type: requested image type
1407 *
1408 * fit_image_check_type() reads image type property and compares its numeric
1409 * id with the requested type. Comparison result is returned to the caller.
1410 *
1411 * returns:
1412 * 1 if image is of given type
1413 * 0 otherwise (or on error)
1414 */
1415int fit_image_check_type(const void *fit, int noffset, uint8_t type)
1416{
1417 uint8_t image_type;
1418
1419 if (fit_image_get_type(fit, noffset, &image_type))
1420 return 0;
1421 return (type == image_type);
1422}
1423
1424/**
1425 * fit_image_check_comp - check whether image node uses given compression
1426 * @fit: pointer to the FIT format image header
1427 * @noffset: component image node offset
1428 * @comp: requested image compression type
1429 *
1430 * fit_image_check_comp() reads image compression property and compares its
1431 * numeric id with the requested compression type. Comparison result is
1432 * returned to the caller.
1433 *
1434 * returns:
1435 * 1 if image uses requested compression
1436 * 0 otherwise (or on error)
1437 */
1438int fit_image_check_comp(const void *fit, int noffset, uint8_t comp)
1439{
1440 uint8_t image_comp;
1441
1442 if (fit_image_get_comp(fit, noffset, &image_comp))
1443 return 0;
1444 return (comp == image_comp);
1445}
1446
1447/**
1448 * fit_check_format - sanity check FIT image format
1449 * @fit: pointer to the FIT format image header
1450 *
1451 * fit_check_format() runs a basic sanity FIT image verification.
1452 * Routine checks for mandatory properties, nodes, etc.
1453 *
1454 * returns:
1455 * 1, on success
1456 * 0, on failure
1457 */
1458int fit_check_format(const void *fit)
1459{
1460 /* mandatory / node 'description' property */
1461 if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) {
1462 debug("Wrong FIT format: no description\n");
1463 return 0;
1464 }
1465
1466 if (IMAGE_ENABLE_TIMESTAMP) {
1467 /* mandatory / node 'timestamp' property */
1468 if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) {
1469 debug("Wrong FIT format: no timestamp\n");
1470 return 0;
1471 }
1472 }
1473
1474 /* mandatory subimages parent '/images' node */
1475 if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) {
1476 debug("Wrong FIT format: no images parent node\n");
1477 return 0;
1478 }
1479
1480 return 1;
1481}
1482
1483
1484/**
1485 * fit_conf_find_compat
1486 * @fit: pointer to the FIT format image header
1487 * @fdt: pointer to the device tree to compare against
1488 *
1489 * fit_conf_find_compat() attempts to find the configuration whose fdt is the
1490 * most compatible with the passed in device tree.
1491 *
1492 * Example:
1493 *
1494 * / o image-tree
1495 * |-o images
Andre Przywarab2267e82017-12-04 02:05:10 +00001496 * | |-o fdt-1
1497 * | |-o fdt-2
Simon Glass53fbb7e2013-05-07 06:11:53 +00001498 * |
1499 * |-o configurations
Andre Przywarab2267e82017-12-04 02:05:10 +00001500 * |-o config-1
1501 * | |-fdt = fdt-1
Simon Glass53fbb7e2013-05-07 06:11:53 +00001502 * |
Andre Przywarab2267e82017-12-04 02:05:10 +00001503 * |-o config-2
1504 * |-fdt = fdt-2
Simon Glass53fbb7e2013-05-07 06:11:53 +00001505 *
1506 * / o U-Boot fdt
1507 * |-compatible = "foo,bar", "bim,bam"
1508 *
1509 * / o kernel fdt1
1510 * |-compatible = "foo,bar",
1511 *
1512 * / o kernel fdt2
1513 * |-compatible = "bim,bam", "baz,biz"
1514 *
1515 * Configuration 1 would be picked because the first string in U-Boot's
1516 * compatible list, "foo,bar", matches a compatible string in the root of fdt1.
1517 * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1.
1518 *
1519 * returns:
1520 * offset to the configuration to use if one was found
1521 * -1 otherwise
1522 */
1523int fit_conf_find_compat(const void *fit, const void *fdt)
1524{
1525 int ndepth = 0;
1526 int noffset, confs_noffset, images_noffset;
1527 const void *fdt_compat;
1528 int fdt_compat_len;
1529 int best_match_offset = 0;
1530 int best_match_pos = 0;
1531
1532 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1533 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1534 if (confs_noffset < 0 || images_noffset < 0) {
1535 debug("Can't find configurations or images nodes.\n");
1536 return -1;
1537 }
1538
1539 fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len);
1540 if (!fdt_compat) {
1541 debug("Fdt for comparison has no \"compatible\" property.\n");
1542 return -1;
1543 }
1544
1545 /*
1546 * Loop over the configurations in the FIT image.
1547 */
1548 for (noffset = fdt_next_node(fit, confs_noffset, &ndepth);
1549 (noffset >= 0) && (ndepth > 0);
1550 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1551 const void *kfdt;
1552 const char *kfdt_name;
1553 int kfdt_noffset;
1554 const char *cur_fdt_compat;
1555 int len;
1556 size_t size;
1557 int i;
1558
1559 if (ndepth > 1)
1560 continue;
1561
1562 kfdt_name = fdt_getprop(fit, noffset, "fdt", &len);
1563 if (!kfdt_name) {
1564 debug("No fdt property found.\n");
1565 continue;
1566 }
1567 kfdt_noffset = fdt_subnode_offset(fit, images_noffset,
1568 kfdt_name);
1569 if (kfdt_noffset < 0) {
1570 debug("No image node named \"%s\" found.\n",
1571 kfdt_name);
1572 continue;
1573 }
1574 /*
1575 * Get a pointer to this configuration's fdt.
1576 */
1577 if (fit_image_get_data(fit, kfdt_noffset, &kfdt, &size)) {
1578 debug("Failed to get fdt \"%s\".\n", kfdt_name);
1579 continue;
1580 }
1581
1582 len = fdt_compat_len;
1583 cur_fdt_compat = fdt_compat;
1584 /*
1585 * Look for a match for each U-Boot compatibility string in
1586 * turn in this configuration's fdt.
1587 */
1588 for (i = 0; len > 0 &&
1589 (!best_match_offset || best_match_pos > i); i++) {
1590 int cur_len = strlen(cur_fdt_compat) + 1;
1591
1592 if (!fdt_node_check_compatible(kfdt, 0,
1593 cur_fdt_compat)) {
1594 best_match_offset = noffset;
1595 best_match_pos = i;
1596 break;
1597 }
1598 len -= cur_len;
1599 cur_fdt_compat += cur_len;
1600 }
1601 }
1602 if (!best_match_offset) {
1603 debug("No match found.\n");
1604 return -1;
1605 }
1606
1607 return best_match_offset;
1608}
1609
1610/**
1611 * fit_conf_get_node - get node offset for configuration of a given unit name
1612 * @fit: pointer to the FIT format image header
1613 * @conf_uname: configuration node unit name
1614 *
Andreas Dannenberge17adbb2016-06-15 17:00:19 -05001615 * fit_conf_get_node() finds a configuration (within the '/configurations'
1616 * parent node) of a provided unit name. If configuration is found its node
Simon Glass53fbb7e2013-05-07 06:11:53 +00001617 * offset is returned to the caller.
1618 *
1619 * When NULL is provided in second argument fit_conf_get_node() will search
1620 * for a default configuration node instead. Default configuration node unit
Robert P. J. Day1f8b5462013-08-21 11:39:19 -04001621 * name is retrieved from FIT_DEFAULT_PROP property of the '/configurations'
Simon Glass53fbb7e2013-05-07 06:11:53 +00001622 * node.
1623 *
1624 * returns:
1625 * configuration node offset when found (>=0)
1626 * negative number on failure (FDT_ERR_* code)
1627 */
1628int fit_conf_get_node(const void *fit, const char *conf_uname)
1629{
1630 int noffset, confs_noffset;
1631 int len;
Pantelis Antoniou169043d2017-09-04 23:12:16 +03001632 const char *s;
1633 char *conf_uname_copy = NULL;
Simon Glass53fbb7e2013-05-07 06:11:53 +00001634
1635 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1636 if (confs_noffset < 0) {
1637 debug("Can't find configurations parent node '%s' (%s)\n",
1638 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
1639 return confs_noffset;
1640 }
1641
1642 if (conf_uname == NULL) {
1643 /* get configuration unit name from the default property */
1644 debug("No configuration specified, trying default...\n");
1645 conf_uname = (char *)fdt_getprop(fit, confs_noffset,
1646 FIT_DEFAULT_PROP, &len);
1647 if (conf_uname == NULL) {
1648 fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP,
1649 len);
1650 return len;
1651 }
1652 debug("Found default configuration: '%s'\n", conf_uname);
1653 }
1654
Pantelis Antoniou169043d2017-09-04 23:12:16 +03001655 s = strchr(conf_uname, '#');
1656 if (s) {
1657 len = s - conf_uname;
1658 conf_uname_copy = malloc(len + 1);
1659 if (!conf_uname_copy) {
1660 debug("Can't allocate uname copy: '%s'\n",
1661 conf_uname);
1662 return -ENOMEM;
1663 }
1664 memcpy(conf_uname_copy, conf_uname, len);
1665 conf_uname_copy[len] = '\0';
1666 conf_uname = conf_uname_copy;
1667 }
1668
Simon Glass53fbb7e2013-05-07 06:11:53 +00001669 noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname);
1670 if (noffset < 0) {
1671 debug("Can't get node offset for configuration unit name: '%s' (%s)\n",
1672 conf_uname, fdt_strerror(noffset));
1673 }
1674
Pantelis Antoniou169043d2017-09-04 23:12:16 +03001675 if (conf_uname_copy)
1676 free(conf_uname_copy);
1677
Simon Glass53fbb7e2013-05-07 06:11:53 +00001678 return noffset;
1679}
1680
Pantelis Antoniouad026ad2017-09-04 23:12:14 +03001681int fit_conf_get_prop_node_count(const void *fit, int noffset,
Simon Glass53fbb7e2013-05-07 06:11:53 +00001682 const char *prop_name)
1683{
Pantelis Antoniouad026ad2017-09-04 23:12:14 +03001684 return fdt_stringlist_count(fit, noffset, prop_name);
1685}
1686
1687int fit_conf_get_prop_node_index(const void *fit, int noffset,
1688 const char *prop_name, int index)
1689{
1690 const char *uname;
Simon Glass53fbb7e2013-05-07 06:11:53 +00001691 int len;
1692
1693 /* get kernel image unit name from configuration kernel property */
Pantelis Antoniouad026ad2017-09-04 23:12:14 +03001694 uname = fdt_stringlist_get(fit, noffset, prop_name, index, &len);
Simon Glass53fbb7e2013-05-07 06:11:53 +00001695 if (uname == NULL)
1696 return len;
1697
1698 return fit_image_get_node(fit, uname);
1699}
1700
Pantelis Antoniouad026ad2017-09-04 23:12:14 +03001701int fit_conf_get_prop_node(const void *fit, int noffset,
1702 const char *prop_name)
1703{
1704 return fit_conf_get_prop_node_index(fit, noffset, prop_name, 0);
1705}
1706
Jeroen Hofstee718feca2014-10-08 22:57:38 +02001707static int fit_image_select(const void *fit, int rd_noffset, int verify)
Simon Glass782cfbb2013-05-16 13:53:21 +00001708{
1709 fit_image_print(fit, rd_noffset, " ");
1710
1711 if (verify) {
1712 puts(" Verifying Hash Integrity ... ");
1713 if (!fit_image_verify(fit, rd_noffset)) {
1714 puts("Bad Data Hash\n");
1715 return -EACCES;
1716 }
1717 puts("OK\n");
1718 }
1719
1720 return 0;
1721}
1722
Simon Glass782cfbb2013-05-16 13:53:21 +00001723int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name,
1724 ulong addr)
1725{
1726 int cfg_noffset;
1727 void *fit_hdr;
1728 int noffset;
1729
1730 debug("* %s: using config '%s' from image at 0x%08lx\n",
1731 prop_name, images->fit_uname_cfg, addr);
1732
1733 /* Check whether configuration has this property defined */
1734 fit_hdr = map_sysmem(addr, 0);
1735 cfg_noffset = fit_conf_get_node(fit_hdr, images->fit_uname_cfg);
1736 if (cfg_noffset < 0) {
1737 debug("* %s: no such config\n", prop_name);
Paul Burtonbd86ef12016-09-20 18:17:12 +01001738 return -EINVAL;
Simon Glass782cfbb2013-05-16 13:53:21 +00001739 }
1740
1741 noffset = fit_conf_get_prop_node(fit_hdr, cfg_noffset, prop_name);
1742 if (noffset < 0) {
1743 debug("* %s: no '%s' in config\n", prop_name, prop_name);
Jonathan Graybac17b72016-09-03 08:30:14 +10001744 return -ENOENT;
Simon Glass782cfbb2013-05-16 13:53:21 +00001745 }
1746
1747 return noffset;
1748}
1749
Simon Glass126cc862014-06-12 07:24:47 -06001750/**
1751 * fit_get_image_type_property() - get property name for IH_TYPE_...
1752 *
1753 * @return the properly name where we expect to find the image in the
1754 * config node
1755 */
1756static const char *fit_get_image_type_property(int type)
1757{
1758 /*
1759 * This is sort-of available in the uimage_type[] table in image.c
Andreas Dannenberge17adbb2016-06-15 17:00:19 -05001760 * but we don't have access to the short name, and "fdt" is different
Simon Glass126cc862014-06-12 07:24:47 -06001761 * anyway. So let's just keep it here.
1762 */
1763 switch (type) {
1764 case IH_TYPE_FLATDT:
1765 return FIT_FDT_PROP;
1766 case IH_TYPE_KERNEL:
1767 return FIT_KERNEL_PROP;
1768 case IH_TYPE_RAMDISK:
1769 return FIT_RAMDISK_PROP;
Simon Glass90268b82014-10-19 21:11:24 -06001770 case IH_TYPE_X86_SETUP:
1771 return FIT_SETUP_PROP;
Karl Apsite84a07db2015-05-21 09:52:48 -04001772 case IH_TYPE_LOADABLE:
1773 return FIT_LOADABLE_PROP;
Michal Simek62afc602016-05-17 14:03:50 +02001774 case IH_TYPE_FPGA:
1775 return FIT_FPGA_PROP;
Marek Vasut0298d202018-05-13 00:22:54 +02001776 case IH_TYPE_STANDALONE:
1777 return FIT_STANDALONE_PROP;
Simon Glass126cc862014-06-12 07:24:47 -06001778 }
1779
1780 return "unknown";
1781}
1782
1783int fit_image_load(bootm_headers_t *images, ulong addr,
Simon Glassf320a4d2013-07-10 23:08:10 -07001784 const char **fit_unamep, const char **fit_uname_configp,
Simon Glass782cfbb2013-05-16 13:53:21 +00001785 int arch, int image_type, int bootstage_id,
1786 enum fit_load_op load_op, ulong *datap, ulong *lenp)
1787{
1788 int cfg_noffset, noffset;
1789 const char *fit_uname;
Simon Glassf320a4d2013-07-10 23:08:10 -07001790 const char *fit_uname_config;
Pantelis Antoniou7c3dc772017-09-04 23:12:15 +03001791 const char *fit_base_uname_config;
Simon Glass782cfbb2013-05-16 13:53:21 +00001792 const void *fit;
1793 const void *buf;
1794 size_t size;
1795 int type_ok, os_ok;
1796 ulong load, data, len;
Marek Vasut38117232014-12-16 14:07:22 +01001797 uint8_t os;
Alison Wangec6617c2016-11-10 10:49:03 +08001798#ifndef USE_HOSTCC
1799 uint8_t os_arch;
1800#endif
Simon Glass126cc862014-06-12 07:24:47 -06001801 const char *prop_name;
Simon Glass782cfbb2013-05-16 13:53:21 +00001802 int ret;
1803
1804 fit = map_sysmem(addr, 0);
1805 fit_uname = fit_unamep ? *fit_unamep : NULL;
Simon Glassf320a4d2013-07-10 23:08:10 -07001806 fit_uname_config = fit_uname_configp ? *fit_uname_configp : NULL;
Pantelis Antoniou7c3dc772017-09-04 23:12:15 +03001807 fit_base_uname_config = NULL;
Simon Glass126cc862014-06-12 07:24:47 -06001808 prop_name = fit_get_image_type_property(image_type);
Simon Glass782cfbb2013-05-16 13:53:21 +00001809 printf("## Loading %s from FIT Image at %08lx ...\n", prop_name, addr);
1810
1811 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT);
1812 if (!fit_check_format(fit)) {
1813 printf("Bad FIT %s image format!\n", prop_name);
1814 bootstage_error(bootstage_id + BOOTSTAGE_SUB_FORMAT);
1815 return -ENOEXEC;
1816 }
1817 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT_OK);
1818 if (fit_uname) {
Masahiro Yamadaf150c832014-02-18 15:39:21 +09001819 /* get FIT component image node offset */
Simon Glass782cfbb2013-05-16 13:53:21 +00001820 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_UNIT_NAME);
1821 noffset = fit_image_get_node(fit, fit_uname);
1822 } else {
1823 /*
1824 * no image node unit name, try to get config
1825 * node first. If config unit node name is NULL
1826 * fit_conf_get_node() will try to find default config node
1827 */
1828 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_NO_UNIT_NAME);
1829 if (IMAGE_ENABLE_BEST_MATCH && !fit_uname_config) {
1830 cfg_noffset = fit_conf_find_compat(fit, gd_fdt_blob());
1831 } else {
1832 cfg_noffset = fit_conf_get_node(fit,
1833 fit_uname_config);
1834 }
1835 if (cfg_noffset < 0) {
1836 puts("Could not find configuration node\n");
1837 bootstage_error(bootstage_id +
1838 BOOTSTAGE_SUB_NO_UNIT_NAME);
1839 return -ENOENT;
1840 }
Marek Vasut078e5582018-05-31 17:59:07 +02001841
Pantelis Antoniou7c3dc772017-09-04 23:12:15 +03001842 fit_base_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
1843 printf(" Using '%s' configuration\n", fit_base_uname_config);
Marek Vasut078e5582018-05-31 17:59:07 +02001844 /* Remember this config */
1845 if (image_type == IH_TYPE_KERNEL)
Pantelis Antoniou7c3dc772017-09-04 23:12:15 +03001846 images->fit_uname_cfg = fit_base_uname_config;
Marek Vasut078e5582018-05-31 17:59:07 +02001847
1848 if (IMAGE_ENABLE_VERIFY && images->verify) {
1849 puts(" Verifying Hash Integrity ... ");
1850 if (fit_config_verify(fit, cfg_noffset)) {
1851 puts("Bad Data Hash\n");
1852 bootstage_error(bootstage_id +
1853 BOOTSTAGE_SUB_HASH);
1854 return -EACCES;
Simon Glass782cfbb2013-05-16 13:53:21 +00001855 }
Marek Vasut078e5582018-05-31 17:59:07 +02001856 puts("OK\n");
Simon Glass782cfbb2013-05-16 13:53:21 +00001857 }
1858
Marek Vasut078e5582018-05-31 17:59:07 +02001859 bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);
1860
Simon Glass782cfbb2013-05-16 13:53:21 +00001861 noffset = fit_conf_get_prop_node(fit, cfg_noffset,
1862 prop_name);
1863 fit_uname = fit_get_name(fit, noffset, NULL);
1864 }
1865 if (noffset < 0) {
1866 puts("Could not find subimage node\n");
1867 bootstage_error(bootstage_id + BOOTSTAGE_SUB_SUBNODE);
1868 return -ENOENT;
1869 }
1870
1871 printf(" Trying '%s' %s subimage\n", fit_uname, prop_name);
1872
1873 ret = fit_image_select(fit, noffset, images->verify);
1874 if (ret) {
1875 bootstage_error(bootstage_id + BOOTSTAGE_SUB_HASH);
1876 return ret;
1877 }
1878
1879 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
Simon Glass5ba63dd2014-10-19 21:11:22 -06001880#if !defined(USE_HOSTCC) && !defined(CONFIG_SANDBOX)
Simon Glass782cfbb2013-05-16 13:53:21 +00001881 if (!fit_image_check_target_arch(fit, noffset)) {
1882 puts("Unsupported Architecture\n");
1883 bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
1884 return -ENOEXEC;
1885 }
Simon Glassce1400f2014-06-12 07:24:53 -06001886#endif
Alison Wangec6617c2016-11-10 10:49:03 +08001887
1888#ifndef USE_HOSTCC
1889 fit_image_get_arch(fit, noffset, &os_arch);
1890 images->os.arch = os_arch;
1891#endif
1892
Simon Glass782cfbb2013-05-16 13:53:21 +00001893 if (image_type == IH_TYPE_FLATDT &&
1894 !fit_image_check_comp(fit, noffset, IH_COMP_NONE)) {
1895 puts("FDT image is compressed");
1896 return -EPROTONOSUPPORT;
1897 }
1898
1899 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
1900 type_ok = fit_image_check_type(fit, noffset, image_type) ||
mario.six@gdsys.cce8fb4352016-07-20 08:32:50 +02001901 fit_image_check_type(fit, noffset, IH_TYPE_FIRMWARE) ||
1902 (image_type == IH_TYPE_KERNEL &&
1903 fit_image_check_type(fit, noffset, IH_TYPE_KERNEL_NOLOAD));
Marek Vasut38117232014-12-16 14:07:22 +01001904
Andreas Bießmann950fe262016-08-14 20:31:24 +02001905 os_ok = image_type == IH_TYPE_FLATDT ||
1906 image_type == IH_TYPE_FPGA ||
Marek Vasut38117232014-12-16 14:07:22 +01001907 fit_image_check_os(fit, noffset, IH_OS_LINUX) ||
mario.six@gdsys.cce8fb4352016-07-20 08:32:50 +02001908 fit_image_check_os(fit, noffset, IH_OS_U_BOOT) ||
Marek Vasut38117232014-12-16 14:07:22 +01001909 fit_image_check_os(fit, noffset, IH_OS_OPENRTOS);
Karl Apsite84a07db2015-05-21 09:52:48 -04001910
1911 /*
1912 * If either of the checks fail, we should report an error, but
1913 * if the image type is coming from the "loadables" field, we
1914 * don't care what it is
1915 */
1916 if ((!type_ok || !os_ok) && image_type != IH_TYPE_LOADABLE) {
Marek Vasut38117232014-12-16 14:07:22 +01001917 fit_image_get_os(fit, noffset, &os);
1918 printf("No %s %s %s Image\n",
1919 genimg_get_os_name(os),
1920 genimg_get_arch_name(arch),
Simon Glass782cfbb2013-05-16 13:53:21 +00001921 genimg_get_type_name(image_type));
1922 bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
1923 return -EIO;
1924 }
1925
1926 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL_OK);
1927
1928 /* get image data address and length */
Kelvin Cheungc3c86382018-05-19 18:21:37 +08001929 if (fit_image_get_data_and_size(fit, noffset, &buf, &size)) {
Simon Glass782cfbb2013-05-16 13:53:21 +00001930 printf("Could not find %s subimage data!\n", prop_name);
1931 bootstage_error(bootstage_id + BOOTSTAGE_SUB_GET_DATA);
Simon Glass2f998072013-06-16 07:46:49 -07001932 return -ENOENT;
Simon Glass782cfbb2013-05-16 13:53:21 +00001933 }
Andrew F. Davis44402fe2016-11-21 14:37:09 -06001934
1935#if !defined(USE_HOSTCC) && defined(CONFIG_FIT_IMAGE_POST_PROCESS)
1936 /* perform any post-processing on the image data */
1937 board_fit_image_post_process((void **)&buf, &size);
1938#endif
1939
Simon Glass782cfbb2013-05-16 13:53:21 +00001940 len = (ulong)size;
1941
1942 /* verify that image data is a proper FDT blob */
Masahiro Yamada2f0877c2013-09-19 12:10:18 +09001943 if (image_type == IH_TYPE_FLATDT && fdt_check_header(buf)) {
Simon Glass782cfbb2013-05-16 13:53:21 +00001944 puts("Subimage data is not a FDT");
1945 return -ENOEXEC;
1946 }
1947
1948 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_GET_DATA_OK);
1949
1950 /*
1951 * Work-around for eldk-4.2 which gives this warning if we try to
Simon Glasse3c83c02014-06-12 07:24:49 -06001952 * cast in the unmap_sysmem() call:
Simon Glass782cfbb2013-05-16 13:53:21 +00001953 * warning: initialization discards qualifiers from pointer target type
1954 */
1955 {
1956 void *vbuf = (void *)buf;
1957
1958 data = map_to_sysmem(vbuf);
1959 }
1960
1961 if (load_op == FIT_LOAD_IGNORED) {
1962 /* Don't load */
1963 } else if (fit_image_get_load(fit, noffset, &load)) {
1964 if (load_op == FIT_LOAD_REQUIRED) {
1965 printf("Can't get %s subimage load address!\n",
1966 prop_name);
1967 bootstage_error(bootstage_id + BOOTSTAGE_SUB_LOAD);
1968 return -EBADF;
1969 }
Simon Glassfe20a812014-08-22 14:26:43 -06001970 } else if (load_op != FIT_LOAD_OPTIONAL_NON_ZERO || load) {
Simon Glass782cfbb2013-05-16 13:53:21 +00001971 ulong image_start, image_end;
1972 ulong load_end;
1973 void *dst;
1974
1975 /*
1976 * move image data to the load address,
1977 * make sure we don't overwrite initial image
1978 */
1979 image_start = addr;
1980 image_end = addr + fit_get_size(fit);
1981
1982 load_end = load + len;
1983 if (image_type != IH_TYPE_KERNEL &&
1984 load < image_end && load_end > image_start) {
1985 printf("Error: %s overwritten\n", prop_name);
1986 return -EXDEV;
1987 }
1988
1989 printf(" Loading %s from 0x%08lx to 0x%08lx\n",
1990 prop_name, data, load);
1991
1992 dst = map_sysmem(load, len);
1993 memmove(dst, buf, len);
1994 data = load;
1995 }
1996 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_LOAD);
1997
1998 *datap = data;
1999 *lenp = len;
2000 if (fit_unamep)
2001 *fit_unamep = (char *)fit_uname;
Simon Glassf320a4d2013-07-10 23:08:10 -07002002 if (fit_uname_configp)
Pantelis Antoniou7c3dc772017-09-04 23:12:15 +03002003 *fit_uname_configp = (char *)(fit_uname_config ? :
2004 fit_base_uname_config);
Simon Glass782cfbb2013-05-16 13:53:21 +00002005
2006 return noffset;
2007}
Simon Glass90268b82014-10-19 21:11:24 -06002008
2009int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch,
2010 ulong *setup_start, ulong *setup_len)
2011{
2012 int noffset;
2013 ulong addr;
2014 ulong len;
2015 int ret;
2016
2017 addr = map_to_sysmem(images->fit_hdr_os);
2018 noffset = fit_get_node_from_config(images, FIT_SETUP_PROP, addr);
2019 if (noffset < 0)
2020 return noffset;
2021
2022 ret = fit_image_load(images, addr, NULL, NULL, arch,
2023 IH_TYPE_X86_SETUP, BOOTSTAGE_ID_FIT_SETUP_START,
2024 FIT_LOAD_REQUIRED, setup_start, &len);
2025
2026 return ret;
2027}
Pantelis Antoniou169043d2017-09-04 23:12:16 +03002028
2029#ifndef USE_HOSTCC
2030int boot_get_fdt_fit(bootm_headers_t *images, ulong addr,
2031 const char **fit_unamep, const char **fit_uname_configp,
2032 int arch, ulong *datap, ulong *lenp)
2033{
2034 int fdt_noffset, cfg_noffset, count;
2035 const void *fit;
2036 const char *fit_uname = NULL;
2037 const char *fit_uname_config = NULL;
2038 char *fit_uname_config_copy = NULL;
2039 char *next_config = NULL;
2040 ulong load, len;
2041#ifdef CONFIG_OF_LIBFDT_OVERLAY
2042 ulong image_start, image_end;
2043 ulong ovload, ovlen;
2044 const char *uconfig;
2045 const char *uname;
2046 void *base, *ov;
2047 int i, err, noffset, ov_noffset;
2048#endif
2049
2050 fit_uname = fit_unamep ? *fit_unamep : NULL;
2051
2052 if (fit_uname_configp && *fit_uname_configp) {
2053 fit_uname_config_copy = strdup(*fit_uname_configp);
2054 if (!fit_uname_config_copy)
2055 return -ENOMEM;
2056
2057 next_config = strchr(fit_uname_config_copy, '#');
2058 if (next_config)
2059 *next_config++ = '\0';
2060 if (next_config - 1 > fit_uname_config_copy)
2061 fit_uname_config = fit_uname_config_copy;
2062 }
2063
2064 fdt_noffset = fit_image_load(images,
2065 addr, &fit_uname, &fit_uname_config,
2066 arch, IH_TYPE_FLATDT,
2067 BOOTSTAGE_ID_FIT_FDT_START,
2068 FIT_LOAD_OPTIONAL, &load, &len);
2069
2070 if (fdt_noffset < 0)
2071 goto out;
2072
2073 debug("fit_uname=%s, fit_uname_config=%s\n",
2074 fit_uname ? fit_uname : "<NULL>",
2075 fit_uname_config ? fit_uname_config : "<NULL>");
2076
2077 fit = map_sysmem(addr, 0);
2078
2079 cfg_noffset = fit_conf_get_node(fit, fit_uname_config);
2080
2081 /* single blob, or error just return as well */
2082 count = fit_conf_get_prop_node_count(fit, cfg_noffset, FIT_FDT_PROP);
2083 if (count <= 1 && !next_config)
2084 goto out;
2085
2086 /* we need to apply overlays */
2087
2088#ifdef CONFIG_OF_LIBFDT_OVERLAY
2089 image_start = addr;
2090 image_end = addr + fit_get_size(fit);
2091 /* verify that relocation took place by load address not being in fit */
2092 if (load >= image_start && load < image_end) {
2093 /* check is simplified; fit load checks for overlaps */
2094 printf("Overlayed FDT requires relocation\n");
2095 fdt_noffset = -EBADF;
2096 goto out;
2097 }
2098
2099 base = map_sysmem(load, len);
2100
2101 /* apply extra configs in FIT first, followed by args */
2102 for (i = 1; ; i++) {
2103 if (i < count) {
2104 noffset = fit_conf_get_prop_node_index(fit, cfg_noffset,
2105 FIT_FDT_PROP, i);
2106 uname = fit_get_name(fit, noffset, NULL);
2107 uconfig = NULL;
2108 } else {
2109 if (!next_config)
2110 break;
2111 uconfig = next_config;
2112 next_config = strchr(next_config, '#');
2113 if (next_config)
2114 *next_config++ = '\0';
2115 uname = NULL;
2116 }
2117
2118 debug("%d: using uname=%s uconfig=%s\n", i, uname, uconfig);
2119
2120 ov_noffset = fit_image_load(images,
2121 addr, &uname, &uconfig,
2122 arch, IH_TYPE_FLATDT,
2123 BOOTSTAGE_ID_FIT_FDT_START,
2124 FIT_LOAD_REQUIRED, &ovload, &ovlen);
2125 if (ov_noffset < 0) {
2126 printf("load of %s failed\n", uname);
2127 continue;
2128 }
2129 debug("%s loaded at 0x%08lx len=0x%08lx\n",
2130 uname, ovload, ovlen);
2131 ov = map_sysmem(ovload, ovlen);
2132
2133 base = map_sysmem(load, len + ovlen);
2134 err = fdt_open_into(base, base, len + ovlen);
2135 if (err < 0) {
2136 printf("failed on fdt_open_into\n");
2137 fdt_noffset = err;
2138 goto out;
2139 }
2140 /* the verbose method prints out messages on error */
2141 err = fdt_overlay_apply_verbose(base, ov);
2142 if (err < 0) {
2143 fdt_noffset = err;
2144 goto out;
2145 }
2146 fdt_pack(base);
2147 len = fdt_totalsize(base);
2148 }
2149#else
2150 printf("config with overlays but CONFIG_OF_LIBFDT_OVERLAY not set\n");
2151 fdt_noffset = -EBADF;
2152#endif
2153
2154out:
2155 if (datap)
2156 *datap = load;
2157 if (lenp)
2158 *lenp = len;
2159 if (fit_unamep)
2160 *fit_unamep = fit_uname;
2161 if (fit_uname_configp)
2162 *fit_uname_configp = fit_uname_config;
2163
2164 if (fit_uname_config_copy)
2165 free(fit_uname_config_copy);
2166 return fdt_noffset;
2167}
2168#endif