blob: 2b9e71a8dccef1ca380982f477f8f9c6e1230c59 [file] [log] [blame]
Simon Glass53fbb7e2013-05-07 06:11:53 +00001/*
2 * Copyright (c) 2013, Google Inc.
3 *
4 * (C) Copyright 2008 Semihalf
5 *
6 * (C) Copyright 2000-2006
7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
8 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02009 * SPDX-License-Identifier: GPL-2.0+
Simon Glass53fbb7e2013-05-07 06:11:53 +000010 */
11
12#ifdef USE_HOSTCC
13#include "mkimage.h"
14#include <image.h>
15#include <time.h>
16#else
17#include <common.h>
Simon Glass782cfbb2013-05-16 13:53:21 +000018#include <errno.h>
19#include <asm/io.h>
20DECLARE_GLOBAL_DATA_PTR;
Simon Glass53fbb7e2013-05-07 06:11:53 +000021#endif /* !USE_HOSTCC*/
22
23#include <bootstage.h>
Simon Glass53fbb7e2013-05-07 06:11:53 +000024#include <u-boot/crc.h>
25#include <u-boot/md5.h>
Jeroen Hofstee2b9912e2014-06-12 22:27:12 +020026#include <u-boot/sha1.h>
27#include <u-boot/sha256.h>
Simon Glass53fbb7e2013-05-07 06:11:53 +000028
29/*****************************************************************************/
30/* New uImage format routines */
31/*****************************************************************************/
32#ifndef USE_HOSTCC
33static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr,
34 ulong *addr, const char **name)
35{
36 const char *sep;
37
38 *addr = addr_curr;
39 *name = NULL;
40
41 sep = strchr(spec, sepc);
42 if (sep) {
43 if (sep - spec > 0)
44 *addr = simple_strtoul(spec, NULL, 16);
45
46 *name = sep + 1;
47 return 1;
48 }
49
50 return 0;
51}
52
53/**
54 * fit_parse_conf - parse FIT configuration spec
55 * @spec: input string, containing configuration spec
56 * @add_curr: current image address (to be used as a possible default)
57 * @addr: pointer to a ulong variable, will hold FIT image address of a given
58 * configuration
59 * @conf_name double pointer to a char, will hold pointer to a configuration
60 * unit name
61 *
Masahiro Yamada069d5942013-09-18 09:36:38 +090062 * fit_parse_conf() expects configuration spec in the form of [<addr>]#<conf>,
Simon Glass53fbb7e2013-05-07 06:11:53 +000063 * where <addr> is a FIT image address that contains configuration
64 * with a <conf> unit name.
65 *
66 * Address part is optional, and if omitted default add_curr will
67 * be used instead.
68 *
69 * returns:
70 * 1 if spec is a valid configuration string,
71 * addr and conf_name are set accordingly
72 * 0 otherwise
73 */
74int fit_parse_conf(const char *spec, ulong addr_curr,
75 ulong *addr, const char **conf_name)
76{
77 return fit_parse_spec(spec, '#', addr_curr, addr, conf_name);
78}
79
80/**
81 * fit_parse_subimage - parse FIT subimage spec
82 * @spec: input string, containing subimage spec
83 * @add_curr: current image address (to be used as a possible default)
84 * @addr: pointer to a ulong variable, will hold FIT image address of a given
85 * subimage
86 * @image_name: double pointer to a char, will hold pointer to a subimage name
87 *
Masahiro Yamada069d5942013-09-18 09:36:38 +090088 * fit_parse_subimage() expects subimage spec in the form of
Simon Glass53fbb7e2013-05-07 06:11:53 +000089 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains
90 * subimage with a <subimg> unit name.
91 *
92 * Address part is optional, and if omitted default add_curr will
93 * be used instead.
94 *
95 * returns:
96 * 1 if spec is a valid subimage string,
97 * addr and image_name are set accordingly
98 * 0 otherwise
99 */
100int fit_parse_subimage(const char *spec, ulong addr_curr,
101 ulong *addr, const char **image_name)
102{
103 return fit_parse_spec(spec, ':', addr_curr, addr, image_name);
104}
105#endif /* !USE_HOSTCC */
106
107static void fit_get_debug(const void *fit, int noffset,
108 char *prop_name, int err)
109{
110 debug("Can't get '%s' property from FIT 0x%08lx, node: offset %d, name %s (%s)\n",
111 prop_name, (ulong)fit, noffset, fit_get_name(fit, noffset, NULL),
112 fdt_strerror(err));
113}
114
Simon Glass87ebee32013-05-08 08:05:59 +0000115#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT)
Simon Glass53fbb7e2013-05-07 06:11:53 +0000116/**
117 * fit_print_contents - prints out the contents of the FIT format image
118 * @fit: pointer to the FIT format image header
119 * @p: pointer to prefix string
120 *
121 * fit_print_contents() formats a multi line FIT image contents description.
122 * The routine prints out FIT image properties (root node level) follwed by
123 * the details of each component image.
124 *
125 * returns:
126 * no returned results
127 */
128void fit_print_contents(const void *fit)
129{
130 char *desc;
131 char *uname;
132 int images_noffset;
133 int confs_noffset;
134 int noffset;
135 int ndepth;
136 int count = 0;
137 int ret;
138 const char *p;
139 time_t timestamp;
140
Simon Glass1fe7d932013-05-08 08:05:58 +0000141 /* Indent string is defined in header image.h */
142 p = IMAGE_INDENT_STRING;
Simon Glass53fbb7e2013-05-07 06:11:53 +0000143
144 /* Root node properties */
145 ret = fit_get_desc(fit, 0, &desc);
146 printf("%sFIT description: ", p);
147 if (ret)
148 printf("unavailable\n");
149 else
150 printf("%s\n", desc);
151
152 if (IMAGE_ENABLE_TIMESTAMP) {
153 ret = fit_get_timestamp(fit, 0, &timestamp);
154 printf("%sCreated: ", p);
155 if (ret)
156 printf("unavailable\n");
157 else
158 genimg_print_time(timestamp);
159 }
160
161 /* Find images parent node offset */
162 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
163 if (images_noffset < 0) {
164 printf("Can't find images parent node '%s' (%s)\n",
165 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
166 return;
167 }
168
169 /* Process its subnodes, print out component images details */
170 for (ndepth = 0, count = 0,
171 noffset = fdt_next_node(fit, images_noffset, &ndepth);
172 (noffset >= 0) && (ndepth > 0);
173 noffset = fdt_next_node(fit, noffset, &ndepth)) {
174 if (ndepth == 1) {
175 /*
176 * Direct child node of the images parent node,
177 * i.e. component image node.
178 */
179 printf("%s Image %u (%s)\n", p, count++,
180 fit_get_name(fit, noffset, NULL));
181
182 fit_image_print(fit, noffset, p);
183 }
184 }
185
186 /* Find configurations parent node offset */
187 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
188 if (confs_noffset < 0) {
189 debug("Can't get configurations parent node '%s' (%s)\n",
190 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
191 return;
192 }
193
194 /* get default configuration unit name from default property */
195 uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL);
196 if (uname)
197 printf("%s Default Configuration: '%s'\n", p, uname);
198
199 /* Process its subnodes, print out configurations details */
200 for (ndepth = 0, count = 0,
201 noffset = fdt_next_node(fit, confs_noffset, &ndepth);
202 (noffset >= 0) && (ndepth > 0);
203 noffset = fdt_next_node(fit, noffset, &ndepth)) {
204 if (ndepth == 1) {
205 /*
206 * Direct child node of the configurations parent node,
207 * i.e. configuration node.
208 */
209 printf("%s Configuration %u (%s)\n", p, count++,
210 fit_get_name(fit, noffset, NULL));
211
212 fit_conf_print(fit, noffset, p);
213 }
214 }
215}
216
217/**
Simon Glassd8b75362013-05-07 06:12:02 +0000218 * fit_image_print_data() - prints out the hash node details
219 * @fit: pointer to the FIT format image header
220 * @noffset: offset of the hash node
221 * @p: pointer to prefix string
Simon Glass56518e72013-06-13 15:10:01 -0700222 * @type: Type of information to print ("hash" or "sign")
Simon Glassd8b75362013-05-07 06:12:02 +0000223 *
224 * fit_image_print_data() lists properies for the processed hash node
225 *
Simon Glass56518e72013-06-13 15:10:01 -0700226 * This function avoid using puts() since it prints a newline on the host
227 * but does not in U-Boot.
228 *
Simon Glassd8b75362013-05-07 06:12:02 +0000229 * returns:
230 * no returned results
231 */
Simon Glass56518e72013-06-13 15:10:01 -0700232static void fit_image_print_data(const void *fit, int noffset, const char *p,
233 const char *type)
Simon Glassd8b75362013-05-07 06:12:02 +0000234{
Simon Glass56518e72013-06-13 15:10:01 -0700235 const char *keyname;
Simon Glassd8b75362013-05-07 06:12:02 +0000236 uint8_t *value;
237 int value_len;
Simon Glass56518e72013-06-13 15:10:01 -0700238 char *algo;
239 int required;
240 int ret, i;
Simon Glassd8b75362013-05-07 06:12:02 +0000241
Simon Glass56518e72013-06-13 15:10:01 -0700242 debug("%s %s node: '%s'\n", p, type,
Simon Glassd8b75362013-05-07 06:12:02 +0000243 fit_get_name(fit, noffset, NULL));
Simon Glass56518e72013-06-13 15:10:01 -0700244 printf("%s %s algo: ", p, type);
Simon Glassd8b75362013-05-07 06:12:02 +0000245 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
246 printf("invalid/unsupported\n");
247 return;
248 }
Simon Glass56518e72013-06-13 15:10:01 -0700249 printf("%s", algo);
250 keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL);
251 required = fdt_getprop(fit, noffset, "required", NULL) != NULL;
252 if (keyname)
253 printf(":%s", keyname);
254 if (required)
255 printf(" (required)");
256 printf("\n");
Simon Glassd8b75362013-05-07 06:12:02 +0000257
258 ret = fit_image_hash_get_value(fit, noffset, &value,
259 &value_len);
Simon Glass56518e72013-06-13 15:10:01 -0700260 printf("%s %s value: ", p, type);
Simon Glassd8b75362013-05-07 06:12:02 +0000261 if (ret) {
262 printf("unavailable\n");
263 } else {
264 for (i = 0; i < value_len; i++)
265 printf("%02x", value[i]);
266 printf("\n");
267 }
268
Simon Glass56518e72013-06-13 15:10:01 -0700269 debug("%s %s len: %d\n", p, type, value_len);
270
271 /* Signatures have a time stamp */
272 if (IMAGE_ENABLE_TIMESTAMP && keyname) {
273 time_t timestamp;
274
275 printf("%s Timestamp: ", p);
276 if (fit_get_timestamp(fit, noffset, &timestamp))
277 printf("unavailable\n");
278 else
279 genimg_print_time(timestamp);
280 }
Simon Glassd8b75362013-05-07 06:12:02 +0000281}
282
283/**
284 * fit_image_print_verification_data() - prints out the hash/signature details
285 * @fit: pointer to the FIT format image header
286 * @noffset: offset of the hash or signature node
287 * @p: pointer to prefix string
288 *
289 * This lists properies for the processed hash node
290 *
291 * returns:
292 * no returned results
293 */
294static void fit_image_print_verification_data(const void *fit, int noffset,
295 const char *p)
296{
297 const char *name;
298
299 /*
300 * Check subnode name, must be equal to "hash" or "signature".
301 * Multiple hash/signature nodes require unique unit node
302 * names, e.g. hash@1, hash@2, signature@1, signature@2, etc.
303 */
304 name = fit_get_name(fit, noffset, NULL);
Simon Glass56518e72013-06-13 15:10:01 -0700305 if (!strncmp(name, FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME))) {
306 fit_image_print_data(fit, noffset, p, "Hash");
307 } else if (!strncmp(name, FIT_SIG_NODENAME,
308 strlen(FIT_SIG_NODENAME))) {
309 fit_image_print_data(fit, noffset, p, "Sign");
310 }
Simon Glassd8b75362013-05-07 06:12:02 +0000311}
312
313/**
Simon Glass53fbb7e2013-05-07 06:11:53 +0000314 * fit_image_print - prints out the FIT component image details
315 * @fit: pointer to the FIT format image header
316 * @image_noffset: offset of the component image node
317 * @p: pointer to prefix string
318 *
319 * fit_image_print() lists all mandatory properies for the processed component
320 * image. If present, hash nodes are printed out as well. Load
321 * address for images of type firmware is also printed out. Since the load
322 * address is not mandatory for firmware images, it will be output as
323 * "unavailable" when not present.
324 *
325 * returns:
326 * no returned results
327 */
328void fit_image_print(const void *fit, int image_noffset, const char *p)
329{
330 char *desc;
331 uint8_t type, arch, os, comp;
332 size_t size;
333 ulong load, entry;
334 const void *data;
335 int noffset;
336 int ndepth;
337 int ret;
338
339 /* Mandatory properties */
340 ret = fit_get_desc(fit, image_noffset, &desc);
341 printf("%s Description: ", p);
342 if (ret)
343 printf("unavailable\n");
344 else
345 printf("%s\n", desc);
346
Simon Glass1fd1e2f2013-07-16 20:10:01 -0700347 if (IMAGE_ENABLE_TIMESTAMP) {
348 time_t timestamp;
349
350 ret = fit_get_timestamp(fit, 0, &timestamp);
351 printf("%s Created: ", p);
352 if (ret)
353 printf("unavailable\n");
354 else
355 genimg_print_time(timestamp);
356 }
357
Simon Glass53fbb7e2013-05-07 06:11:53 +0000358 fit_image_get_type(fit, image_noffset, &type);
359 printf("%s Type: %s\n", p, genimg_get_type_name(type));
360
361 fit_image_get_comp(fit, image_noffset, &comp);
362 printf("%s Compression: %s\n", p, genimg_get_comp_name(comp));
363
364 ret = fit_image_get_data(fit, image_noffset, &data, &size);
365
366#ifndef USE_HOSTCC
367 printf("%s Data Start: ", p);
Simon Glassc6ac13b2013-05-16 13:53:26 +0000368 if (ret) {
Simon Glass53fbb7e2013-05-07 06:11:53 +0000369 printf("unavailable\n");
Simon Glassc6ac13b2013-05-16 13:53:26 +0000370 } else {
371 void *vdata = (void *)data;
372
373 printf("0x%08lx\n", (ulong)map_to_sysmem(vdata));
374 }
Simon Glass53fbb7e2013-05-07 06:11:53 +0000375#endif
376
377 printf("%s Data Size: ", p);
378 if (ret)
379 printf("unavailable\n");
380 else
381 genimg_print_size(size);
382
383 /* Remaining, type dependent properties */
384 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
385 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) ||
386 (type == IH_TYPE_FLATDT)) {
387 fit_image_get_arch(fit, image_noffset, &arch);
388 printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch));
389 }
390
391 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK)) {
392 fit_image_get_os(fit, image_noffset, &os);
393 printf("%s OS: %s\n", p, genimg_get_os_name(os));
394 }
395
396 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
397 (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK)) {
398 ret = fit_image_get_load(fit, image_noffset, &load);
399 printf("%s Load Address: ", p);
400 if (ret)
401 printf("unavailable\n");
402 else
403 printf("0x%08lx\n", load);
404 }
405
406 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
407 (type == IH_TYPE_RAMDISK)) {
408 fit_image_get_entry(fit, image_noffset, &entry);
409 printf("%s Entry Point: ", p);
410 if (ret)
411 printf("unavailable\n");
412 else
413 printf("0x%08lx\n", entry);
414 }
415
416 /* Process all hash subnodes of the component image node */
417 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
418 (noffset >= 0) && (ndepth > 0);
419 noffset = fdt_next_node(fit, noffset, &ndepth)) {
420 if (ndepth == 1) {
421 /* Direct child node of the component image node */
Simon Glassd8b75362013-05-07 06:12:02 +0000422 fit_image_print_verification_data(fit, noffset, p);
Simon Glass53fbb7e2013-05-07 06:11:53 +0000423 }
424 }
425}
Simon Glass87ebee32013-05-08 08:05:59 +0000426#endif
Simon Glass53fbb7e2013-05-07 06:11:53 +0000427
428/**
Simon Glass53fbb7e2013-05-07 06:11:53 +0000429 * fit_get_desc - get node description property
430 * @fit: pointer to the FIT format image header
431 * @noffset: node offset
432 * @desc: double pointer to the char, will hold pointer to the descrption
433 *
434 * fit_get_desc() reads description property from a given node, if
435 * description is found pointer to it is returened in third call argument.
436 *
437 * returns:
438 * 0, on success
439 * -1, on failure
440 */
441int fit_get_desc(const void *fit, int noffset, char **desc)
442{
443 int len;
444
445 *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len);
446 if (*desc == NULL) {
447 fit_get_debug(fit, noffset, FIT_DESC_PROP, len);
448 return -1;
449 }
450
451 return 0;
452}
453
454/**
455 * fit_get_timestamp - get node timestamp property
456 * @fit: pointer to the FIT format image header
457 * @noffset: node offset
458 * @timestamp: pointer to the time_t, will hold read timestamp
459 *
460 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp
461 * is found and has a correct size its value is retured in third call
462 * argument.
463 *
464 * returns:
465 * 0, on success
466 * -1, on property read failure
467 * -2, on wrong timestamp size
468 */
469int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp)
470{
471 int len;
472 const void *data;
473
474 data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len);
475 if (data == NULL) {
476 fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len);
477 return -1;
478 }
479 if (len != sizeof(uint32_t)) {
480 debug("FIT timestamp with incorrect size of (%u)\n", len);
481 return -2;
482 }
483
484 *timestamp = uimage_to_cpu(*((uint32_t *)data));
485 return 0;
486}
487
488/**
489 * fit_image_get_node - get node offset for component image of a given unit name
490 * @fit: pointer to the FIT format image header
491 * @image_uname: component image node unit name
492 *
493 * fit_image_get_node() finds a component image (withing the '/images'
494 * node) of a provided unit name. If image is found its node offset is
495 * returned to the caller.
496 *
497 * returns:
498 * image node offset when found (>=0)
499 * negative number on failure (FDT_ERR_* code)
500 */
501int fit_image_get_node(const void *fit, const char *image_uname)
502{
503 int noffset, images_noffset;
504
505 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
506 if (images_noffset < 0) {
507 debug("Can't find images parent node '%s' (%s)\n",
508 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
509 return images_noffset;
510 }
511
512 noffset = fdt_subnode_offset(fit, images_noffset, image_uname);
513 if (noffset < 0) {
514 debug("Can't get node offset for image unit name: '%s' (%s)\n",
515 image_uname, fdt_strerror(noffset));
516 }
517
518 return noffset;
519}
520
521/**
522 * fit_image_get_os - get os id for a given component image node
523 * @fit: pointer to the FIT format image header
524 * @noffset: component image node offset
525 * @os: pointer to the uint8_t, will hold os numeric id
526 *
527 * fit_image_get_os() finds os property in a given component image node.
528 * If the property is found, its (string) value is translated to the numeric
529 * id which is returned to the caller.
530 *
531 * returns:
532 * 0, on success
533 * -1, on failure
534 */
535int fit_image_get_os(const void *fit, int noffset, uint8_t *os)
536{
537 int len;
538 const void *data;
539
540 /* Get OS name from property data */
541 data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len);
542 if (data == NULL) {
543 fit_get_debug(fit, noffset, FIT_OS_PROP, len);
544 *os = -1;
545 return -1;
546 }
547
548 /* Translate OS name to id */
549 *os = genimg_get_os_id(data);
550 return 0;
551}
552
553/**
554 * fit_image_get_arch - get arch id for a given component image node
555 * @fit: pointer to the FIT format image header
556 * @noffset: component image node offset
557 * @arch: pointer to the uint8_t, will hold arch numeric id
558 *
559 * fit_image_get_arch() finds arch property in a given component image node.
560 * If the property is found, its (string) value is translated to the numeric
561 * id which is returned to the caller.
562 *
563 * returns:
564 * 0, on success
565 * -1, on failure
566 */
567int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch)
568{
569 int len;
570 const void *data;
571
572 /* Get architecture name from property data */
573 data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len);
574 if (data == NULL) {
575 fit_get_debug(fit, noffset, FIT_ARCH_PROP, len);
576 *arch = -1;
577 return -1;
578 }
579
580 /* Translate architecture name to id */
581 *arch = genimg_get_arch_id(data);
582 return 0;
583}
584
585/**
586 * fit_image_get_type - get type id for a given component image node
587 * @fit: pointer to the FIT format image header
588 * @noffset: component image node offset
589 * @type: pointer to the uint8_t, will hold type numeric id
590 *
591 * fit_image_get_type() finds type property in a given component image node.
592 * If the property is found, its (string) value is translated to the numeric
593 * id which is returned to the caller.
594 *
595 * returns:
596 * 0, on success
597 * -1, on failure
598 */
599int fit_image_get_type(const void *fit, int noffset, uint8_t *type)
600{
601 int len;
602 const void *data;
603
604 /* Get image type name from property data */
605 data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len);
606 if (data == NULL) {
607 fit_get_debug(fit, noffset, FIT_TYPE_PROP, len);
608 *type = -1;
609 return -1;
610 }
611
612 /* Translate image type name to id */
613 *type = genimg_get_type_id(data);
614 return 0;
615}
616
617/**
618 * fit_image_get_comp - get comp id for a given component image node
619 * @fit: pointer to the FIT format image header
620 * @noffset: component image node offset
621 * @comp: pointer to the uint8_t, will hold comp numeric id
622 *
623 * fit_image_get_comp() finds comp property in a given component image node.
624 * If the property is found, its (string) value is translated to the numeric
625 * id which is returned to the caller.
626 *
627 * returns:
628 * 0, on success
629 * -1, on failure
630 */
631int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp)
632{
633 int len;
634 const void *data;
635
636 /* Get compression name from property data */
637 data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len);
638 if (data == NULL) {
639 fit_get_debug(fit, noffset, FIT_COMP_PROP, len);
640 *comp = -1;
641 return -1;
642 }
643
644 /* Translate compression name to id */
645 *comp = genimg_get_comp_id(data);
646 return 0;
647}
648
649/**
650 * fit_image_get_load() - get load addr property for given component image node
651 * @fit: pointer to the FIT format image header
652 * @noffset: component image node offset
653 * @load: pointer to the uint32_t, will hold load address
654 *
655 * fit_image_get_load() finds load address property in a given component
656 * image node. If the property is found, its value is returned to the caller.
657 *
658 * returns:
659 * 0, on success
660 * -1, on failure
661 */
662int fit_image_get_load(const void *fit, int noffset, ulong *load)
663{
664 int len;
665 const uint32_t *data;
666
667 data = fdt_getprop(fit, noffset, FIT_LOAD_PROP, &len);
668 if (data == NULL) {
669 fit_get_debug(fit, noffset, FIT_LOAD_PROP, len);
670 return -1;
671 }
672
673 *load = uimage_to_cpu(*data);
674 return 0;
675}
676
677/**
678 * fit_image_get_entry() - get entry point address property
679 * @fit: pointer to the FIT format image header
680 * @noffset: component image node offset
681 * @entry: pointer to the uint32_t, will hold entry point address
682 *
683 * This gets the entry point address property for a given component image
684 * node.
685 *
686 * fit_image_get_entry() finds entry point address property in a given
687 * component image node. If the property is found, its value is returned
688 * to the caller.
689 *
690 * returns:
691 * 0, on success
692 * -1, on failure
693 */
694int fit_image_get_entry(const void *fit, int noffset, ulong *entry)
695{
696 int len;
697 const uint32_t *data;
698
699 data = fdt_getprop(fit, noffset, FIT_ENTRY_PROP, &len);
700 if (data == NULL) {
701 fit_get_debug(fit, noffset, FIT_ENTRY_PROP, len);
702 return -1;
703 }
704
705 *entry = uimage_to_cpu(*data);
706 return 0;
707}
708
709/**
710 * fit_image_get_data - get data property and its size for a given component image node
711 * @fit: pointer to the FIT format image header
712 * @noffset: component image node offset
713 * @data: double pointer to void, will hold data property's data address
714 * @size: pointer to size_t, will hold data property's data size
715 *
716 * fit_image_get_data() finds data property in a given component image node.
717 * If the property is found its data start address and size are returned to
718 * the caller.
719 *
720 * returns:
721 * 0, on success
722 * -1, on failure
723 */
724int fit_image_get_data(const void *fit, int noffset,
725 const void **data, size_t *size)
726{
727 int len;
728
729 *data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len);
730 if (*data == NULL) {
731 fit_get_debug(fit, noffset, FIT_DATA_PROP, len);
732 *size = 0;
733 return -1;
734 }
735
736 *size = len;
737 return 0;
738}
739
740/**
741 * fit_image_hash_get_algo - get hash algorithm name
742 * @fit: pointer to the FIT format image header
743 * @noffset: hash node offset
744 * @algo: double pointer to char, will hold pointer to the algorithm name
745 *
746 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node.
747 * If the property is found its data start address is returned to the caller.
748 *
749 * returns:
750 * 0, on success
751 * -1, on failure
752 */
753int fit_image_hash_get_algo(const void *fit, int noffset, char **algo)
754{
755 int len;
756
757 *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len);
758 if (*algo == NULL) {
759 fit_get_debug(fit, noffset, FIT_ALGO_PROP, len);
760 return -1;
761 }
762
763 return 0;
764}
765
766/**
767 * fit_image_hash_get_value - get hash value and length
768 * @fit: pointer to the FIT format image header
769 * @noffset: hash node offset
770 * @value: double pointer to uint8_t, will hold address of a hash value data
771 * @value_len: pointer to an int, will hold hash data length
772 *
773 * fit_image_hash_get_value() finds hash value property in a given hash node.
774 * If the property is found its data start address and size are returned to
775 * the caller.
776 *
777 * returns:
778 * 0, on success
779 * -1, on failure
780 */
781int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
782 int *value_len)
783{
784 int len;
785
786 *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len);
787 if (*value == NULL) {
788 fit_get_debug(fit, noffset, FIT_VALUE_PROP, len);
789 *value_len = 0;
790 return -1;
791 }
792
793 *value_len = len;
794 return 0;
795}
796
Simon Glass53fbb7e2013-05-07 06:11:53 +0000797/**
798 * fit_image_hash_get_ignore - get hash ignore flag
799 * @fit: pointer to the FIT format image header
800 * @noffset: hash node offset
801 * @ignore: pointer to an int, will hold hash ignore flag
802 *
803 * fit_image_hash_get_ignore() finds hash ignore property in a given hash node.
804 * If the property is found and non-zero, the hash algorithm is not verified by
805 * u-boot automatically.
806 *
807 * returns:
808 * 0, on ignore not found
809 * value, on ignore found
810 */
Simon Glassab9efc62013-05-07 06:11:58 +0000811static int fit_image_hash_get_ignore(const void *fit, int noffset, int *ignore)
Simon Glass53fbb7e2013-05-07 06:11:53 +0000812{
813 int len;
814 int *value;
815
816 value = (int *)fdt_getprop(fit, noffset, FIT_IGNORE_PROP, &len);
817 if (value == NULL || len != sizeof(int))
818 *ignore = 0;
819 else
820 *ignore = *value;
821
822 return 0;
823}
Simon Glass53fbb7e2013-05-07 06:11:53 +0000824
825/**
826 * fit_set_timestamp - set node timestamp property
827 * @fit: pointer to the FIT format image header
828 * @noffset: node offset
829 * @timestamp: timestamp value to be set
830 *
831 * fit_set_timestamp() attempts to set timestamp property in the requested
832 * node and returns operation status to the caller.
833 *
834 * returns:
835 * 0, on success
Simon Glass4f427a42014-06-02 22:04:51 -0600836 * -ENOSPC if no space in device tree, -1 for other error
Simon Glass53fbb7e2013-05-07 06:11:53 +0000837 */
838int fit_set_timestamp(void *fit, int noffset, time_t timestamp)
839{
840 uint32_t t;
841 int ret;
842
843 t = cpu_to_uimage(timestamp);
844 ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t,
845 sizeof(uint32_t));
846 if (ret) {
847 printf("Can't set '%s' property for '%s' node (%s)\n",
848 FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL),
849 fdt_strerror(ret));
Simon Glass4f427a42014-06-02 22:04:51 -0600850 return ret == -FDT_ERR_NOSPACE ? -ENOSPC : -1;
Simon Glass53fbb7e2013-05-07 06:11:53 +0000851 }
852
853 return 0;
854}
855
856/**
857 * calculate_hash - calculate and return hash for provided input data
858 * @data: pointer to the input data
859 * @data_len: data length
860 * @algo: requested hash algorithm
861 * @value: pointer to the char, will hold hash value data (caller must
862 * allocate enough free space)
863 * value_len: length of the calculated hash
864 *
865 * calculate_hash() computes input data hash according to the requested
866 * algorithm.
867 * Resulting hash value is placed in caller provided 'value' buffer, length
868 * of the calculated hash is returned via value_len pointer argument.
869 *
870 * returns:
871 * 0, on success
872 * -1, when algo is unsupported
873 */
Simon Glass604f23d2013-05-07 06:11:54 +0000874int calculate_hash(const void *data, int data_len, const char *algo,
Simon Glass53fbb7e2013-05-07 06:11:53 +0000875 uint8_t *value, int *value_len)
876{
Simon Glass87ebee32013-05-08 08:05:59 +0000877 if (IMAGE_ENABLE_CRC32 && strcmp(algo, "crc32") == 0) {
Simon Glass53fbb7e2013-05-07 06:11:53 +0000878 *((uint32_t *)value) = crc32_wd(0, data, data_len,
879 CHUNKSZ_CRC32);
880 *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value));
881 *value_len = 4;
Simon Glass87ebee32013-05-08 08:05:59 +0000882 } else if (IMAGE_ENABLE_SHA1 && strcmp(algo, "sha1") == 0) {
Simon Glass53fbb7e2013-05-07 06:11:53 +0000883 sha1_csum_wd((unsigned char *)data, data_len,
884 (unsigned char *)value, CHUNKSZ_SHA1);
885 *value_len = 20;
Heiko Schocher2842c1c2014-03-03 12:19:25 +0100886 } else if (IMAGE_ENABLE_SHA256 && strcmp(algo, "sha256") == 0) {
887 sha256_csum_wd((unsigned char *)data, data_len,
888 (unsigned char *)value, CHUNKSZ_SHA256);
889 *value_len = SHA256_SUM_LEN;
Simon Glass87ebee32013-05-08 08:05:59 +0000890 } else if (IMAGE_ENABLE_MD5 && strcmp(algo, "md5") == 0) {
Simon Glass53fbb7e2013-05-07 06:11:53 +0000891 md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5);
892 *value_len = 16;
893 } else {
894 debug("Unsupported hash alogrithm\n");
895 return -1;
896 }
897 return 0;
898}
899
Simon Glassab9efc62013-05-07 06:11:58 +0000900static int fit_image_check_hash(const void *fit, int noffset, const void *data,
901 size_t size, char **err_msgp)
902{
903 uint8_t value[FIT_MAX_HASH_LEN];
904 int value_len;
905 char *algo;
906 uint8_t *fit_value;
907 int fit_value_len;
908 int ignore;
909
910 *err_msgp = NULL;
911
912 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
Simon Glasse754da22013-05-07 06:11:59 +0000913 *err_msgp = "Can't get hash algo property";
Simon Glassab9efc62013-05-07 06:11:58 +0000914 return -1;
915 }
916 printf("%s", algo);
917
918 if (IMAGE_ENABLE_IGNORE) {
919 fit_image_hash_get_ignore(fit, noffset, &ignore);
920 if (ignore) {
921 printf("-skipped ");
922 return 0;
923 }
924 }
925
926 if (fit_image_hash_get_value(fit, noffset, &fit_value,
927 &fit_value_len)) {
Simon Glasse754da22013-05-07 06:11:59 +0000928 *err_msgp = "Can't get hash value property";
Simon Glassab9efc62013-05-07 06:11:58 +0000929 return -1;
930 }
931
932 if (calculate_hash(data, size, algo, value, &value_len)) {
Simon Glasse754da22013-05-07 06:11:59 +0000933 *err_msgp = "Unsupported hash algorithm";
Simon Glassab9efc62013-05-07 06:11:58 +0000934 return -1;
935 }
936
937 if (value_len != fit_value_len) {
Simon Glasse754da22013-05-07 06:11:59 +0000938 *err_msgp = "Bad hash value len";
Simon Glassab9efc62013-05-07 06:11:58 +0000939 return -1;
940 } else if (memcmp(value, fit_value, value_len) != 0) {
Simon Glasse754da22013-05-07 06:11:59 +0000941 *err_msgp = "Bad hash value";
Simon Glassab9efc62013-05-07 06:11:58 +0000942 return -1;
943 }
944
945 return 0;
946}
947
Simon Glass53fbb7e2013-05-07 06:11:53 +0000948/**
Simon Glassb8da8362013-05-07 06:11:57 +0000949 * fit_image_verify - verify data intergity
Simon Glass53fbb7e2013-05-07 06:11:53 +0000950 * @fit: pointer to the FIT format image header
951 * @image_noffset: component image node offset
952 *
Simon Glassb8da8362013-05-07 06:11:57 +0000953 * fit_image_verify() goes over component image hash nodes,
Simon Glass53fbb7e2013-05-07 06:11:53 +0000954 * re-calculates each data hash and compares with the value stored in hash
955 * node.
956 *
957 * returns:
958 * 1, if all hashes are valid
959 * 0, otherwise (or on error)
960 */
Simon Glassb8da8362013-05-07 06:11:57 +0000961int fit_image_verify(const void *fit, int image_noffset)
Simon Glass53fbb7e2013-05-07 06:11:53 +0000962{
963 const void *data;
964 size_t size;
Simon Glass56518e72013-06-13 15:10:01 -0700965 int noffset = 0;
Simon Glass53fbb7e2013-05-07 06:11:53 +0000966 char *err_msg = "";
Simon Glass56518e72013-06-13 15:10:01 -0700967 int verify_all = 1;
968 int ret;
Simon Glass53fbb7e2013-05-07 06:11:53 +0000969
970 /* Get image data and data length */
971 if (fit_image_get_data(fit, image_noffset, &data, &size)) {
Simon Glasse754da22013-05-07 06:11:59 +0000972 err_msg = "Can't get image data/size";
Simon Glass56518e72013-06-13 15:10:01 -0700973 goto error;
974 }
975
976 /* Verify all required signatures */
977 if (IMAGE_ENABLE_VERIFY &&
978 fit_image_verify_required_sigs(fit, image_noffset, data, size,
979 gd_fdt_blob(), &verify_all)) {
980 err_msg = "Unable to verify required signature";
981 goto error;
Simon Glass53fbb7e2013-05-07 06:11:53 +0000982 }
983
984 /* Process all hash subnodes of the component image node */
Simon Glassab9efc62013-05-07 06:11:58 +0000985 for (noffset = fdt_first_subnode(fit, image_noffset);
986 noffset >= 0;
987 noffset = fdt_next_subnode(fit, noffset)) {
988 const char *name = fit_get_name(fit, noffset, NULL);
Simon Glass53fbb7e2013-05-07 06:11:53 +0000989
Simon Glassab9efc62013-05-07 06:11:58 +0000990 /*
991 * Check subnode name, must be equal to "hash".
992 * Multiple hash nodes require unique unit node
993 * names, e.g. hash@1, hash@2, etc.
994 */
995 if (!strncmp(name, FIT_HASH_NODENAME,
996 strlen(FIT_HASH_NODENAME))) {
997 if (fit_image_check_hash(fit, noffset, data, size,
998 &err_msg))
Simon Glass53fbb7e2013-05-07 06:11:53 +0000999 goto error;
Simon Glassab9efc62013-05-07 06:11:58 +00001000 puts("+ ");
Simon Glass56518e72013-06-13 15:10:01 -07001001 } else if (IMAGE_ENABLE_VERIFY && verify_all &&
1002 !strncmp(name, FIT_SIG_NODENAME,
1003 strlen(FIT_SIG_NODENAME))) {
1004 ret = fit_image_check_sig(fit, noffset, data,
1005 size, -1, &err_msg);
1006 if (ret)
1007 puts("- ");
1008 else
1009 puts("+ ");
Simon Glass53fbb7e2013-05-07 06:11:53 +00001010 }
1011 }
1012
1013 if (noffset == -FDT_ERR_TRUNCATED || noffset == -FDT_ERR_BADSTRUCTURE) {
Simon Glasse754da22013-05-07 06:11:59 +00001014 err_msg = "Corrupted or truncated tree";
Simon Glass53fbb7e2013-05-07 06:11:53 +00001015 goto error;
1016 }
1017
1018 return 1;
1019
1020error:
Simon Glasse754da22013-05-07 06:11:59 +00001021 printf(" error!\n%s for '%s' hash node in '%s' image node\n",
Simon Glass53fbb7e2013-05-07 06:11:53 +00001022 err_msg, fit_get_name(fit, noffset, NULL),
1023 fit_get_name(fit, image_noffset, NULL));
1024 return 0;
1025}
1026
1027/**
Simon Glassb8da8362013-05-07 06:11:57 +00001028 * fit_all_image_verify - verify data intergity for all images
Simon Glass53fbb7e2013-05-07 06:11:53 +00001029 * @fit: pointer to the FIT format image header
1030 *
Simon Glassb8da8362013-05-07 06:11:57 +00001031 * fit_all_image_verify() goes over all images in the FIT and
Simon Glass53fbb7e2013-05-07 06:11:53 +00001032 * for every images checks if all it's hashes are valid.
1033 *
1034 * returns:
1035 * 1, if all hashes of all images are valid
1036 * 0, otherwise (or on error)
1037 */
Simon Glassb8da8362013-05-07 06:11:57 +00001038int fit_all_image_verify(const void *fit)
Simon Glass53fbb7e2013-05-07 06:11:53 +00001039{
1040 int images_noffset;
1041 int noffset;
1042 int ndepth;
1043 int count;
1044
1045 /* Find images parent node offset */
1046 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1047 if (images_noffset < 0) {
1048 printf("Can't find images parent node '%s' (%s)\n",
1049 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
1050 return 0;
1051 }
1052
1053 /* Process all image subnodes, check hashes for each */
1054 printf("## Checking hash(es) for FIT Image at %08lx ...\n",
1055 (ulong)fit);
1056 for (ndepth = 0, count = 0,
1057 noffset = fdt_next_node(fit, images_noffset, &ndepth);
1058 (noffset >= 0) && (ndepth > 0);
1059 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1060 if (ndepth == 1) {
1061 /*
1062 * Direct child node of the images parent node,
1063 * i.e. component image node.
1064 */
1065 printf(" Hash(es) for Image %u (%s): ", count++,
1066 fit_get_name(fit, noffset, NULL));
1067
Simon Glassb8da8362013-05-07 06:11:57 +00001068 if (!fit_image_verify(fit, noffset))
Simon Glass53fbb7e2013-05-07 06:11:53 +00001069 return 0;
1070 printf("\n");
1071 }
1072 }
1073 return 1;
1074}
1075
1076/**
1077 * fit_image_check_os - check whether image node is of a given os type
1078 * @fit: pointer to the FIT format image header
1079 * @noffset: component image node offset
1080 * @os: requested image os
1081 *
1082 * fit_image_check_os() reads image os property and compares its numeric
1083 * id with the requested os. Comparison result is returned to the caller.
1084 *
1085 * returns:
1086 * 1 if image is of given os type
1087 * 0 otherwise (or on error)
1088 */
1089int fit_image_check_os(const void *fit, int noffset, uint8_t os)
1090{
1091 uint8_t image_os;
1092
1093 if (fit_image_get_os(fit, noffset, &image_os))
1094 return 0;
1095 return (os == image_os);
1096}
1097
1098/**
1099 * fit_image_check_arch - check whether image node is of a given arch
1100 * @fit: pointer to the FIT format image header
1101 * @noffset: component image node offset
1102 * @arch: requested imagearch
1103 *
1104 * fit_image_check_arch() reads image arch property and compares its numeric
1105 * id with the requested arch. Comparison result is returned to the caller.
1106 *
1107 * returns:
1108 * 1 if image is of given arch
1109 * 0 otherwise (or on error)
1110 */
1111int fit_image_check_arch(const void *fit, int noffset, uint8_t arch)
1112{
1113 uint8_t image_arch;
1114
1115 if (fit_image_get_arch(fit, noffset, &image_arch))
1116 return 0;
1117 return (arch == image_arch);
1118}
1119
1120/**
1121 * fit_image_check_type - check whether image node is of a given type
1122 * @fit: pointer to the FIT format image header
1123 * @noffset: component image node offset
1124 * @type: requested image type
1125 *
1126 * fit_image_check_type() reads image type property and compares its numeric
1127 * id with the requested type. Comparison result is returned to the caller.
1128 *
1129 * returns:
1130 * 1 if image is of given type
1131 * 0 otherwise (or on error)
1132 */
1133int fit_image_check_type(const void *fit, int noffset, uint8_t type)
1134{
1135 uint8_t image_type;
1136
1137 if (fit_image_get_type(fit, noffset, &image_type))
1138 return 0;
1139 return (type == image_type);
1140}
1141
1142/**
1143 * fit_image_check_comp - check whether image node uses given compression
1144 * @fit: pointer to the FIT format image header
1145 * @noffset: component image node offset
1146 * @comp: requested image compression type
1147 *
1148 * fit_image_check_comp() reads image compression property and compares its
1149 * numeric id with the requested compression type. Comparison result is
1150 * returned to the caller.
1151 *
1152 * returns:
1153 * 1 if image uses requested compression
1154 * 0 otherwise (or on error)
1155 */
1156int fit_image_check_comp(const void *fit, int noffset, uint8_t comp)
1157{
1158 uint8_t image_comp;
1159
1160 if (fit_image_get_comp(fit, noffset, &image_comp))
1161 return 0;
1162 return (comp == image_comp);
1163}
1164
1165/**
1166 * fit_check_format - sanity check FIT image format
1167 * @fit: pointer to the FIT format image header
1168 *
1169 * fit_check_format() runs a basic sanity FIT image verification.
1170 * Routine checks for mandatory properties, nodes, etc.
1171 *
1172 * returns:
1173 * 1, on success
1174 * 0, on failure
1175 */
1176int fit_check_format(const void *fit)
1177{
1178 /* mandatory / node 'description' property */
1179 if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) {
1180 debug("Wrong FIT format: no description\n");
1181 return 0;
1182 }
1183
1184 if (IMAGE_ENABLE_TIMESTAMP) {
1185 /* mandatory / node 'timestamp' property */
1186 if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) {
1187 debug("Wrong FIT format: no timestamp\n");
1188 return 0;
1189 }
1190 }
1191
1192 /* mandatory subimages parent '/images' node */
1193 if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) {
1194 debug("Wrong FIT format: no images parent node\n");
1195 return 0;
1196 }
1197
1198 return 1;
1199}
1200
1201
1202/**
1203 * fit_conf_find_compat
1204 * @fit: pointer to the FIT format image header
1205 * @fdt: pointer to the device tree to compare against
1206 *
1207 * fit_conf_find_compat() attempts to find the configuration whose fdt is the
1208 * most compatible with the passed in device tree.
1209 *
1210 * Example:
1211 *
1212 * / o image-tree
1213 * |-o images
1214 * | |-o fdt@1
1215 * | |-o fdt@2
1216 * |
1217 * |-o configurations
1218 * |-o config@1
1219 * | |-fdt = fdt@1
1220 * |
1221 * |-o config@2
1222 * |-fdt = fdt@2
1223 *
1224 * / o U-Boot fdt
1225 * |-compatible = "foo,bar", "bim,bam"
1226 *
1227 * / o kernel fdt1
1228 * |-compatible = "foo,bar",
1229 *
1230 * / o kernel fdt2
1231 * |-compatible = "bim,bam", "baz,biz"
1232 *
1233 * Configuration 1 would be picked because the first string in U-Boot's
1234 * compatible list, "foo,bar", matches a compatible string in the root of fdt1.
1235 * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1.
1236 *
1237 * returns:
1238 * offset to the configuration to use if one was found
1239 * -1 otherwise
1240 */
1241int fit_conf_find_compat(const void *fit, const void *fdt)
1242{
1243 int ndepth = 0;
1244 int noffset, confs_noffset, images_noffset;
1245 const void *fdt_compat;
1246 int fdt_compat_len;
1247 int best_match_offset = 0;
1248 int best_match_pos = 0;
1249
1250 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1251 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1252 if (confs_noffset < 0 || images_noffset < 0) {
1253 debug("Can't find configurations or images nodes.\n");
1254 return -1;
1255 }
1256
1257 fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len);
1258 if (!fdt_compat) {
1259 debug("Fdt for comparison has no \"compatible\" property.\n");
1260 return -1;
1261 }
1262
1263 /*
1264 * Loop over the configurations in the FIT image.
1265 */
1266 for (noffset = fdt_next_node(fit, confs_noffset, &ndepth);
1267 (noffset >= 0) && (ndepth > 0);
1268 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1269 const void *kfdt;
1270 const char *kfdt_name;
1271 int kfdt_noffset;
1272 const char *cur_fdt_compat;
1273 int len;
1274 size_t size;
1275 int i;
1276
1277 if (ndepth > 1)
1278 continue;
1279
1280 kfdt_name = fdt_getprop(fit, noffset, "fdt", &len);
1281 if (!kfdt_name) {
1282 debug("No fdt property found.\n");
1283 continue;
1284 }
1285 kfdt_noffset = fdt_subnode_offset(fit, images_noffset,
1286 kfdt_name);
1287 if (kfdt_noffset < 0) {
1288 debug("No image node named \"%s\" found.\n",
1289 kfdt_name);
1290 continue;
1291 }
1292 /*
1293 * Get a pointer to this configuration's fdt.
1294 */
1295 if (fit_image_get_data(fit, kfdt_noffset, &kfdt, &size)) {
1296 debug("Failed to get fdt \"%s\".\n", kfdt_name);
1297 continue;
1298 }
1299
1300 len = fdt_compat_len;
1301 cur_fdt_compat = fdt_compat;
1302 /*
1303 * Look for a match for each U-Boot compatibility string in
1304 * turn in this configuration's fdt.
1305 */
1306 for (i = 0; len > 0 &&
1307 (!best_match_offset || best_match_pos > i); i++) {
1308 int cur_len = strlen(cur_fdt_compat) + 1;
1309
1310 if (!fdt_node_check_compatible(kfdt, 0,
1311 cur_fdt_compat)) {
1312 best_match_offset = noffset;
1313 best_match_pos = i;
1314 break;
1315 }
1316 len -= cur_len;
1317 cur_fdt_compat += cur_len;
1318 }
1319 }
1320 if (!best_match_offset) {
1321 debug("No match found.\n");
1322 return -1;
1323 }
1324
1325 return best_match_offset;
1326}
1327
1328/**
1329 * fit_conf_get_node - get node offset for configuration of a given unit name
1330 * @fit: pointer to the FIT format image header
1331 * @conf_uname: configuration node unit name
1332 *
1333 * fit_conf_get_node() finds a configuration (withing the '/configurations'
1334 * parant node) of a provided unit name. If configuration is found its node
1335 * offset is returned to the caller.
1336 *
1337 * When NULL is provided in second argument fit_conf_get_node() will search
1338 * for a default configuration node instead. Default configuration node unit
Robert P. J. Day1f8b5462013-08-21 11:39:19 -04001339 * name is retrieved from FIT_DEFAULT_PROP property of the '/configurations'
Simon Glass53fbb7e2013-05-07 06:11:53 +00001340 * node.
1341 *
1342 * returns:
1343 * configuration node offset when found (>=0)
1344 * negative number on failure (FDT_ERR_* code)
1345 */
1346int fit_conf_get_node(const void *fit, const char *conf_uname)
1347{
1348 int noffset, confs_noffset;
1349 int len;
1350
1351 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1352 if (confs_noffset < 0) {
1353 debug("Can't find configurations parent node '%s' (%s)\n",
1354 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
1355 return confs_noffset;
1356 }
1357
1358 if (conf_uname == NULL) {
1359 /* get configuration unit name from the default property */
1360 debug("No configuration specified, trying default...\n");
1361 conf_uname = (char *)fdt_getprop(fit, confs_noffset,
1362 FIT_DEFAULT_PROP, &len);
1363 if (conf_uname == NULL) {
1364 fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP,
1365 len);
1366 return len;
1367 }
1368 debug("Found default configuration: '%s'\n", conf_uname);
1369 }
1370
1371 noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname);
1372 if (noffset < 0) {
1373 debug("Can't get node offset for configuration unit name: '%s' (%s)\n",
1374 conf_uname, fdt_strerror(noffset));
1375 }
1376
1377 return noffset;
1378}
1379
Simon Glass003efd72013-05-07 06:12:00 +00001380int fit_conf_get_prop_node(const void *fit, int noffset,
Simon Glass53fbb7e2013-05-07 06:11:53 +00001381 const char *prop_name)
1382{
1383 char *uname;
1384 int len;
1385
1386 /* get kernel image unit name from configuration kernel property */
1387 uname = (char *)fdt_getprop(fit, noffset, prop_name, &len);
1388 if (uname == NULL)
1389 return len;
1390
1391 return fit_image_get_node(fit, uname);
1392}
1393
1394/**
Simon Glass53fbb7e2013-05-07 06:11:53 +00001395 * fit_conf_print - prints out the FIT configuration details
1396 * @fit: pointer to the FIT format image header
1397 * @noffset: offset of the configuration node
1398 * @p: pointer to prefix string
1399 *
1400 * fit_conf_print() lists all mandatory properies for the processed
1401 * configuration node.
1402 *
1403 * returns:
1404 * no returned results
1405 */
1406void fit_conf_print(const void *fit, int noffset, const char *p)
1407{
1408 char *desc;
1409 char *uname;
1410 int ret;
1411
1412 /* Mandatory properties */
1413 ret = fit_get_desc(fit, noffset, &desc);
1414 printf("%s Description: ", p);
1415 if (ret)
1416 printf("unavailable\n");
1417 else
1418 printf("%s\n", desc);
1419
1420 uname = (char *)fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL);
1421 printf("%s Kernel: ", p);
1422 if (uname == NULL)
1423 printf("unavailable\n");
1424 else
1425 printf("%s\n", uname);
1426
1427 /* Optional properties */
1428 uname = (char *)fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL);
1429 if (uname)
1430 printf("%s Init Ramdisk: %s\n", p, uname);
1431
1432 uname = (char *)fdt_getprop(fit, noffset, FIT_FDT_PROP, NULL);
1433 if (uname)
1434 printf("%s FDT: %s\n", p, uname);
1435}
1436
Simon Glass782cfbb2013-05-16 13:53:21 +00001437int fit_image_select(const void *fit, int rd_noffset, int verify)
1438{
1439 fit_image_print(fit, rd_noffset, " ");
1440
1441 if (verify) {
1442 puts(" Verifying Hash Integrity ... ");
1443 if (!fit_image_verify(fit, rd_noffset)) {
1444 puts("Bad Data Hash\n");
1445 return -EACCES;
1446 }
1447 puts("OK\n");
1448 }
1449
1450 return 0;
1451}
1452
Simon Glass782cfbb2013-05-16 13:53:21 +00001453int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name,
1454 ulong addr)
1455{
1456 int cfg_noffset;
1457 void *fit_hdr;
1458 int noffset;
1459
1460 debug("* %s: using config '%s' from image at 0x%08lx\n",
1461 prop_name, images->fit_uname_cfg, addr);
1462
1463 /* Check whether configuration has this property defined */
1464 fit_hdr = map_sysmem(addr, 0);
1465 cfg_noffset = fit_conf_get_node(fit_hdr, images->fit_uname_cfg);
1466 if (cfg_noffset < 0) {
1467 debug("* %s: no such config\n", prop_name);
1468 return -ENOENT;
1469 }
1470
1471 noffset = fit_conf_get_prop_node(fit_hdr, cfg_noffset, prop_name);
1472 if (noffset < 0) {
1473 debug("* %s: no '%s' in config\n", prop_name, prop_name);
1474 return -ENOLINK;
1475 }
1476
1477 return noffset;
1478}
1479
Simon Glass126cc862014-06-12 07:24:47 -06001480/**
1481 * fit_get_image_type_property() - get property name for IH_TYPE_...
1482 *
1483 * @return the properly name where we expect to find the image in the
1484 * config node
1485 */
1486static const char *fit_get_image_type_property(int type)
1487{
1488 /*
1489 * This is sort-of available in the uimage_type[] table in image.c
1490 * but we don't have access to the sohrt name, and "fdt" is different
1491 * anyway. So let's just keep it here.
1492 */
1493 switch (type) {
1494 case IH_TYPE_FLATDT:
1495 return FIT_FDT_PROP;
1496 case IH_TYPE_KERNEL:
1497 return FIT_KERNEL_PROP;
1498 case IH_TYPE_RAMDISK:
1499 return FIT_RAMDISK_PROP;
1500 }
1501
1502 return "unknown";
1503}
1504
1505int fit_image_load(bootm_headers_t *images, ulong addr,
Simon Glassf320a4d2013-07-10 23:08:10 -07001506 const char **fit_unamep, const char **fit_uname_configp,
Simon Glass782cfbb2013-05-16 13:53:21 +00001507 int arch, int image_type, int bootstage_id,
1508 enum fit_load_op load_op, ulong *datap, ulong *lenp)
1509{
1510 int cfg_noffset, noffset;
1511 const char *fit_uname;
Simon Glassf320a4d2013-07-10 23:08:10 -07001512 const char *fit_uname_config;
Simon Glass782cfbb2013-05-16 13:53:21 +00001513 const void *fit;
1514 const void *buf;
1515 size_t size;
1516 int type_ok, os_ok;
1517 ulong load, data, len;
Simon Glass126cc862014-06-12 07:24:47 -06001518 const char *prop_name;
Simon Glass782cfbb2013-05-16 13:53:21 +00001519 int ret;
1520
1521 fit = map_sysmem(addr, 0);
1522 fit_uname = fit_unamep ? *fit_unamep : NULL;
Simon Glassf320a4d2013-07-10 23:08:10 -07001523 fit_uname_config = fit_uname_configp ? *fit_uname_configp : NULL;
Simon Glass126cc862014-06-12 07:24:47 -06001524 prop_name = fit_get_image_type_property(image_type);
Simon Glass782cfbb2013-05-16 13:53:21 +00001525 printf("## Loading %s from FIT Image at %08lx ...\n", prop_name, addr);
1526
1527 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT);
1528 if (!fit_check_format(fit)) {
1529 printf("Bad FIT %s image format!\n", prop_name);
1530 bootstage_error(bootstage_id + BOOTSTAGE_SUB_FORMAT);
1531 return -ENOEXEC;
1532 }
1533 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT_OK);
1534 if (fit_uname) {
Masahiro Yamadaf150c832014-02-18 15:39:21 +09001535 /* get FIT component image node offset */
Simon Glass782cfbb2013-05-16 13:53:21 +00001536 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_UNIT_NAME);
1537 noffset = fit_image_get_node(fit, fit_uname);
1538 } else {
1539 /*
1540 * no image node unit name, try to get config
1541 * node first. If config unit node name is NULL
1542 * fit_conf_get_node() will try to find default config node
1543 */
1544 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_NO_UNIT_NAME);
1545 if (IMAGE_ENABLE_BEST_MATCH && !fit_uname_config) {
1546 cfg_noffset = fit_conf_find_compat(fit, gd_fdt_blob());
1547 } else {
1548 cfg_noffset = fit_conf_get_node(fit,
1549 fit_uname_config);
1550 }
1551 if (cfg_noffset < 0) {
1552 puts("Could not find configuration node\n");
1553 bootstage_error(bootstage_id +
1554 BOOTSTAGE_SUB_NO_UNIT_NAME);
1555 return -ENOENT;
1556 }
1557 fit_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
1558 printf(" Using '%s' configuration\n", fit_uname_config);
1559 if (image_type == IH_TYPE_KERNEL) {
1560 /* Remember (and possibly verify) this config */
1561 images->fit_uname_cfg = fit_uname_config;
1562 if (IMAGE_ENABLE_VERIFY && images->verify) {
1563 puts(" Verifying Hash Integrity ... ");
Simon Glass12df2ab2014-06-12 07:24:45 -06001564 if (fit_config_verify(fit, cfg_noffset)) {
Simon Glass782cfbb2013-05-16 13:53:21 +00001565 puts("Bad Data Hash\n");
1566 bootstage_error(bootstage_id +
1567 BOOTSTAGE_SUB_HASH);
1568 return -EACCES;
1569 }
1570 puts("OK\n");
1571 }
1572 bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);
1573 }
1574
1575 noffset = fit_conf_get_prop_node(fit, cfg_noffset,
1576 prop_name);
1577 fit_uname = fit_get_name(fit, noffset, NULL);
1578 }
1579 if (noffset < 0) {
1580 puts("Could not find subimage node\n");
1581 bootstage_error(bootstage_id + BOOTSTAGE_SUB_SUBNODE);
1582 return -ENOENT;
1583 }
1584
1585 printf(" Trying '%s' %s subimage\n", fit_uname, prop_name);
1586
1587 ret = fit_image_select(fit, noffset, images->verify);
1588 if (ret) {
1589 bootstage_error(bootstage_id + BOOTSTAGE_SUB_HASH);
1590 return ret;
1591 }
1592
1593 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
Simon Glass5ba63dd2014-10-19 21:11:22 -06001594#if !defined(USE_HOSTCC) && !defined(CONFIG_SANDBOX)
Simon Glass782cfbb2013-05-16 13:53:21 +00001595 if (!fit_image_check_target_arch(fit, noffset)) {
1596 puts("Unsupported Architecture\n");
1597 bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
1598 return -ENOEXEC;
1599 }
Simon Glassce1400f2014-06-12 07:24:53 -06001600#endif
Simon Glass782cfbb2013-05-16 13:53:21 +00001601 if (image_type == IH_TYPE_FLATDT &&
1602 !fit_image_check_comp(fit, noffset, IH_COMP_NONE)) {
1603 puts("FDT image is compressed");
1604 return -EPROTONOSUPPORT;
1605 }
1606
1607 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
1608 type_ok = fit_image_check_type(fit, noffset, image_type) ||
1609 (image_type == IH_TYPE_KERNEL &&
1610 fit_image_check_type(fit, noffset,
1611 IH_TYPE_KERNEL_NOLOAD));
1612 os_ok = image_type == IH_TYPE_FLATDT ||
1613 fit_image_check_os(fit, noffset, IH_OS_LINUX);
1614 if (!type_ok || !os_ok) {
1615 printf("No Linux %s %s Image\n", genimg_get_arch_name(arch),
1616 genimg_get_type_name(image_type));
1617 bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
1618 return -EIO;
1619 }
1620
1621 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL_OK);
1622
1623 /* get image data address and length */
1624 if (fit_image_get_data(fit, noffset, &buf, &size)) {
1625 printf("Could not find %s subimage data!\n", prop_name);
1626 bootstage_error(bootstage_id + BOOTSTAGE_SUB_GET_DATA);
Simon Glass2f998072013-06-16 07:46:49 -07001627 return -ENOENT;
Simon Glass782cfbb2013-05-16 13:53:21 +00001628 }
1629 len = (ulong)size;
1630
1631 /* verify that image data is a proper FDT blob */
Masahiro Yamada2f0877c2013-09-19 12:10:18 +09001632 if (image_type == IH_TYPE_FLATDT && fdt_check_header(buf)) {
Simon Glass782cfbb2013-05-16 13:53:21 +00001633 puts("Subimage data is not a FDT");
1634 return -ENOEXEC;
1635 }
1636
1637 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_GET_DATA_OK);
1638
1639 /*
1640 * Work-around for eldk-4.2 which gives this warning if we try to
Simon Glasse3c83c02014-06-12 07:24:49 -06001641 * cast in the unmap_sysmem() call:
Simon Glass782cfbb2013-05-16 13:53:21 +00001642 * warning: initialization discards qualifiers from pointer target type
1643 */
1644 {
1645 void *vbuf = (void *)buf;
1646
1647 data = map_to_sysmem(vbuf);
1648 }
1649
1650 if (load_op == FIT_LOAD_IGNORED) {
1651 /* Don't load */
1652 } else if (fit_image_get_load(fit, noffset, &load)) {
1653 if (load_op == FIT_LOAD_REQUIRED) {
1654 printf("Can't get %s subimage load address!\n",
1655 prop_name);
1656 bootstage_error(bootstage_id + BOOTSTAGE_SUB_LOAD);
1657 return -EBADF;
1658 }
Simon Glassfe20a812014-08-22 14:26:43 -06001659 } else if (load_op != FIT_LOAD_OPTIONAL_NON_ZERO || load) {
Simon Glass782cfbb2013-05-16 13:53:21 +00001660 ulong image_start, image_end;
1661 ulong load_end;
1662 void *dst;
1663
1664 /*
1665 * move image data to the load address,
1666 * make sure we don't overwrite initial image
1667 */
1668 image_start = addr;
1669 image_end = addr + fit_get_size(fit);
1670
1671 load_end = load + len;
1672 if (image_type != IH_TYPE_KERNEL &&
1673 load < image_end && load_end > image_start) {
1674 printf("Error: %s overwritten\n", prop_name);
1675 return -EXDEV;
1676 }
1677
1678 printf(" Loading %s from 0x%08lx to 0x%08lx\n",
1679 prop_name, data, load);
1680
1681 dst = map_sysmem(load, len);
1682 memmove(dst, buf, len);
1683 data = load;
1684 }
1685 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_LOAD);
1686
1687 *datap = data;
1688 *lenp = len;
1689 if (fit_unamep)
1690 *fit_unamep = (char *)fit_uname;
Simon Glassf320a4d2013-07-10 23:08:10 -07001691 if (fit_uname_configp)
1692 *fit_uname_configp = (char *)fit_uname_config;
Simon Glass782cfbb2013-05-16 13:53:21 +00001693
1694 return noffset;
1695}