blob: 9f56b5d303c19a0924be85a3faa284725181bc2e [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 *
9 * See file CREDITS for list of people who contributed to this
10 * project.
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License as
14 * published by the Free Software Foundation; either version 2 of
15 * the License, or (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
21 *
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
25 * MA 02111-1307 USA
26 */
27
28#ifdef USE_HOSTCC
29#include "mkimage.h"
30#include <image.h>
31#include <time.h>
32#else
33#include <common.h>
Simon Glass782cfbb2013-05-16 13:53:21 +000034#include <errno.h>
35#include <asm/io.h>
36DECLARE_GLOBAL_DATA_PTR;
Simon Glass53fbb7e2013-05-07 06:11:53 +000037#endif /* !USE_HOSTCC*/
38
39#include <bootstage.h>
40#include <sha1.h>
41#include <u-boot/crc.h>
42#include <u-boot/md5.h>
43
44/*****************************************************************************/
45/* New uImage format routines */
46/*****************************************************************************/
47#ifndef USE_HOSTCC
48static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr,
49 ulong *addr, const char **name)
50{
51 const char *sep;
52
53 *addr = addr_curr;
54 *name = NULL;
55
56 sep = strchr(spec, sepc);
57 if (sep) {
58 if (sep - spec > 0)
59 *addr = simple_strtoul(spec, NULL, 16);
60
61 *name = sep + 1;
62 return 1;
63 }
64
65 return 0;
66}
67
68/**
69 * fit_parse_conf - parse FIT configuration spec
70 * @spec: input string, containing configuration spec
71 * @add_curr: current image address (to be used as a possible default)
72 * @addr: pointer to a ulong variable, will hold FIT image address of a given
73 * configuration
74 * @conf_name double pointer to a char, will hold pointer to a configuration
75 * unit name
76 *
77 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>,
78 * where <addr> is a FIT image address that contains configuration
79 * with a <conf> unit name.
80 *
81 * Address part is optional, and if omitted default add_curr will
82 * be used instead.
83 *
84 * returns:
85 * 1 if spec is a valid configuration string,
86 * addr and conf_name are set accordingly
87 * 0 otherwise
88 */
89int fit_parse_conf(const char *spec, ulong addr_curr,
90 ulong *addr, const char **conf_name)
91{
92 return fit_parse_spec(spec, '#', addr_curr, addr, conf_name);
93}
94
95/**
96 * fit_parse_subimage - parse FIT subimage spec
97 * @spec: input string, containing subimage spec
98 * @add_curr: current image address (to be used as a possible default)
99 * @addr: pointer to a ulong variable, will hold FIT image address of a given
100 * subimage
101 * @image_name: double pointer to a char, will hold pointer to a subimage name
102 *
103 * fit_parse_subimage() expects subimage spec in the for of
104 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains
105 * subimage with a <subimg> unit name.
106 *
107 * Address part is optional, and if omitted default add_curr will
108 * be used instead.
109 *
110 * returns:
111 * 1 if spec is a valid subimage string,
112 * addr and image_name are set accordingly
113 * 0 otherwise
114 */
115int fit_parse_subimage(const char *spec, ulong addr_curr,
116 ulong *addr, const char **image_name)
117{
118 return fit_parse_spec(spec, ':', addr_curr, addr, image_name);
119}
120#endif /* !USE_HOSTCC */
121
122static void fit_get_debug(const void *fit, int noffset,
123 char *prop_name, int err)
124{
125 debug("Can't get '%s' property from FIT 0x%08lx, node: offset %d, name %s (%s)\n",
126 prop_name, (ulong)fit, noffset, fit_get_name(fit, noffset, NULL),
127 fdt_strerror(err));
128}
129
Simon Glass87ebee32013-05-08 08:05:59 +0000130#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT)
Simon Glass53fbb7e2013-05-07 06:11:53 +0000131/**
132 * fit_print_contents - prints out the contents of the FIT format image
133 * @fit: pointer to the FIT format image header
134 * @p: pointer to prefix string
135 *
136 * fit_print_contents() formats a multi line FIT image contents description.
137 * The routine prints out FIT image properties (root node level) follwed by
138 * the details of each component image.
139 *
140 * returns:
141 * no returned results
142 */
143void fit_print_contents(const void *fit)
144{
145 char *desc;
146 char *uname;
147 int images_noffset;
148 int confs_noffset;
149 int noffset;
150 int ndepth;
151 int count = 0;
152 int ret;
153 const char *p;
154 time_t timestamp;
155
Simon Glass1fe7d932013-05-08 08:05:58 +0000156 /* Indent string is defined in header image.h */
157 p = IMAGE_INDENT_STRING;
Simon Glass53fbb7e2013-05-07 06:11:53 +0000158
159 /* Root node properties */
160 ret = fit_get_desc(fit, 0, &desc);
161 printf("%sFIT description: ", p);
162 if (ret)
163 printf("unavailable\n");
164 else
165 printf("%s\n", desc);
166
167 if (IMAGE_ENABLE_TIMESTAMP) {
168 ret = fit_get_timestamp(fit, 0, &timestamp);
169 printf("%sCreated: ", p);
170 if (ret)
171 printf("unavailable\n");
172 else
173 genimg_print_time(timestamp);
174 }
175
176 /* Find images parent node offset */
177 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
178 if (images_noffset < 0) {
179 printf("Can't find images parent node '%s' (%s)\n",
180 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
181 return;
182 }
183
184 /* Process its subnodes, print out component images details */
185 for (ndepth = 0, count = 0,
186 noffset = fdt_next_node(fit, images_noffset, &ndepth);
187 (noffset >= 0) && (ndepth > 0);
188 noffset = fdt_next_node(fit, noffset, &ndepth)) {
189 if (ndepth == 1) {
190 /*
191 * Direct child node of the images parent node,
192 * i.e. component image node.
193 */
194 printf("%s Image %u (%s)\n", p, count++,
195 fit_get_name(fit, noffset, NULL));
196
197 fit_image_print(fit, noffset, p);
198 }
199 }
200
201 /* Find configurations parent node offset */
202 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
203 if (confs_noffset < 0) {
204 debug("Can't get configurations parent node '%s' (%s)\n",
205 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
206 return;
207 }
208
209 /* get default configuration unit name from default property */
210 uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL);
211 if (uname)
212 printf("%s Default Configuration: '%s'\n", p, uname);
213
214 /* Process its subnodes, print out configurations details */
215 for (ndepth = 0, count = 0,
216 noffset = fdt_next_node(fit, confs_noffset, &ndepth);
217 (noffset >= 0) && (ndepth > 0);
218 noffset = fdt_next_node(fit, noffset, &ndepth)) {
219 if (ndepth == 1) {
220 /*
221 * Direct child node of the configurations parent node,
222 * i.e. configuration node.
223 */
224 printf("%s Configuration %u (%s)\n", p, count++,
225 fit_get_name(fit, noffset, NULL));
226
227 fit_conf_print(fit, noffset, p);
228 }
229 }
230}
231
232/**
Simon Glassd8b75362013-05-07 06:12:02 +0000233 * fit_image_print_data() - prints out the hash node details
234 * @fit: pointer to the FIT format image header
235 * @noffset: offset of the hash node
236 * @p: pointer to prefix string
237 *
238 * fit_image_print_data() lists properies for the processed hash node
239 *
240 * returns:
241 * no returned results
242 */
243static void fit_image_print_data(const void *fit, int noffset, const char *p)
244{
245 char *algo;
246 uint8_t *value;
247 int value_len;
248 int i, ret;
249
250 /*
251 * Check subnode name, must be equal to "hash".
252 * Multiple hash nodes require unique unit node
253 * names, e.g. hash@1, hash@2, etc.
254 */
255 if (strncmp(fit_get_name(fit, noffset, NULL),
256 FIT_HASH_NODENAME,
257 strlen(FIT_HASH_NODENAME)) != 0)
258 return;
259
260 debug("%s Hash node: '%s'\n", p,
261 fit_get_name(fit, noffset, NULL));
262
263 printf("%s Hash algo: ", p);
264 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
265 printf("invalid/unsupported\n");
266 return;
267 }
268 printf("%s\n", algo);
269
270 ret = fit_image_hash_get_value(fit, noffset, &value,
271 &value_len);
272 printf("%s Hash value: ", p);
273 if (ret) {
274 printf("unavailable\n");
275 } else {
276 for (i = 0; i < value_len; i++)
277 printf("%02x", value[i]);
278 printf("\n");
279 }
280
281 debug("%s Hash len: %d\n", p, value_len);
282}
283
284/**
285 * fit_image_print_verification_data() - prints out the hash/signature details
286 * @fit: pointer to the FIT format image header
287 * @noffset: offset of the hash or signature node
288 * @p: pointer to prefix string
289 *
290 * This lists properies for the processed hash node
291 *
292 * returns:
293 * no returned results
294 */
295static void fit_image_print_verification_data(const void *fit, int noffset,
296 const char *p)
297{
298 const char *name;
299
300 /*
301 * Check subnode name, must be equal to "hash" or "signature".
302 * Multiple hash/signature nodes require unique unit node
303 * names, e.g. hash@1, hash@2, signature@1, signature@2, etc.
304 */
305 name = fit_get_name(fit, noffset, NULL);
306 if (!strncmp(name, FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME)))
307 fit_image_print_data(fit, noffset, p);
308}
309
310/**
Simon Glass53fbb7e2013-05-07 06:11:53 +0000311 * fit_image_print - prints out the FIT component image details
312 * @fit: pointer to the FIT format image header
313 * @image_noffset: offset of the component image node
314 * @p: pointer to prefix string
315 *
316 * fit_image_print() lists all mandatory properies for the processed component
317 * image. If present, hash nodes are printed out as well. Load
318 * address for images of type firmware is also printed out. Since the load
319 * address is not mandatory for firmware images, it will be output as
320 * "unavailable" when not present.
321 *
322 * returns:
323 * no returned results
324 */
325void fit_image_print(const void *fit, int image_noffset, const char *p)
326{
327 char *desc;
328 uint8_t type, arch, os, comp;
329 size_t size;
330 ulong load, entry;
331 const void *data;
332 int noffset;
333 int ndepth;
334 int ret;
335
336 /* Mandatory properties */
337 ret = fit_get_desc(fit, image_noffset, &desc);
338 printf("%s Description: ", p);
339 if (ret)
340 printf("unavailable\n");
341 else
342 printf("%s\n", desc);
343
344 fit_image_get_type(fit, image_noffset, &type);
345 printf("%s Type: %s\n", p, genimg_get_type_name(type));
346
347 fit_image_get_comp(fit, image_noffset, &comp);
348 printf("%s Compression: %s\n", p, genimg_get_comp_name(comp));
349
350 ret = fit_image_get_data(fit, image_noffset, &data, &size);
351
352#ifndef USE_HOSTCC
353 printf("%s Data Start: ", p);
354 if (ret)
355 printf("unavailable\n");
356 else
357 printf("0x%08lx\n", (ulong)data);
358#endif
359
360 printf("%s Data Size: ", p);
361 if (ret)
362 printf("unavailable\n");
363 else
364 genimg_print_size(size);
365
366 /* Remaining, type dependent properties */
367 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
368 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) ||
369 (type == IH_TYPE_FLATDT)) {
370 fit_image_get_arch(fit, image_noffset, &arch);
371 printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch));
372 }
373
374 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK)) {
375 fit_image_get_os(fit, image_noffset, &os);
376 printf("%s OS: %s\n", p, genimg_get_os_name(os));
377 }
378
379 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
380 (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK)) {
381 ret = fit_image_get_load(fit, image_noffset, &load);
382 printf("%s Load Address: ", p);
383 if (ret)
384 printf("unavailable\n");
385 else
386 printf("0x%08lx\n", load);
387 }
388
389 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
390 (type == IH_TYPE_RAMDISK)) {
391 fit_image_get_entry(fit, image_noffset, &entry);
392 printf("%s Entry Point: ", p);
393 if (ret)
394 printf("unavailable\n");
395 else
396 printf("0x%08lx\n", entry);
397 }
398
399 /* Process all hash subnodes of the component image node */
400 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
401 (noffset >= 0) && (ndepth > 0);
402 noffset = fdt_next_node(fit, noffset, &ndepth)) {
403 if (ndepth == 1) {
404 /* Direct child node of the component image node */
Simon Glassd8b75362013-05-07 06:12:02 +0000405 fit_image_print_verification_data(fit, noffset, p);
Simon Glass53fbb7e2013-05-07 06:11:53 +0000406 }
407 }
408}
Simon Glass87ebee32013-05-08 08:05:59 +0000409#endif
Simon Glass53fbb7e2013-05-07 06:11:53 +0000410
411/**
Simon Glass53fbb7e2013-05-07 06:11:53 +0000412 * fit_get_desc - get node description property
413 * @fit: pointer to the FIT format image header
414 * @noffset: node offset
415 * @desc: double pointer to the char, will hold pointer to the descrption
416 *
417 * fit_get_desc() reads description property from a given node, if
418 * description is found pointer to it is returened in third call argument.
419 *
420 * returns:
421 * 0, on success
422 * -1, on failure
423 */
424int fit_get_desc(const void *fit, int noffset, char **desc)
425{
426 int len;
427
428 *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len);
429 if (*desc == NULL) {
430 fit_get_debug(fit, noffset, FIT_DESC_PROP, len);
431 return -1;
432 }
433
434 return 0;
435}
436
437/**
438 * fit_get_timestamp - get node timestamp property
439 * @fit: pointer to the FIT format image header
440 * @noffset: node offset
441 * @timestamp: pointer to the time_t, will hold read timestamp
442 *
443 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp
444 * is found and has a correct size its value is retured in third call
445 * argument.
446 *
447 * returns:
448 * 0, on success
449 * -1, on property read failure
450 * -2, on wrong timestamp size
451 */
452int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp)
453{
454 int len;
455 const void *data;
456
457 data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len);
458 if (data == NULL) {
459 fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len);
460 return -1;
461 }
462 if (len != sizeof(uint32_t)) {
463 debug("FIT timestamp with incorrect size of (%u)\n", len);
464 return -2;
465 }
466
467 *timestamp = uimage_to_cpu(*((uint32_t *)data));
468 return 0;
469}
470
471/**
472 * fit_image_get_node - get node offset for component image of a given unit name
473 * @fit: pointer to the FIT format image header
474 * @image_uname: component image node unit name
475 *
476 * fit_image_get_node() finds a component image (withing the '/images'
477 * node) of a provided unit name. If image is found its node offset is
478 * returned to the caller.
479 *
480 * returns:
481 * image node offset when found (>=0)
482 * negative number on failure (FDT_ERR_* code)
483 */
484int fit_image_get_node(const void *fit, const char *image_uname)
485{
486 int noffset, images_noffset;
487
488 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
489 if (images_noffset < 0) {
490 debug("Can't find images parent node '%s' (%s)\n",
491 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
492 return images_noffset;
493 }
494
495 noffset = fdt_subnode_offset(fit, images_noffset, image_uname);
496 if (noffset < 0) {
497 debug("Can't get node offset for image unit name: '%s' (%s)\n",
498 image_uname, fdt_strerror(noffset));
499 }
500
501 return noffset;
502}
503
504/**
505 * fit_image_get_os - get os id for a given component image node
506 * @fit: pointer to the FIT format image header
507 * @noffset: component image node offset
508 * @os: pointer to the uint8_t, will hold os numeric id
509 *
510 * fit_image_get_os() finds os property in a given component image node.
511 * If the property is found, its (string) value is translated to the numeric
512 * id which is returned to the caller.
513 *
514 * returns:
515 * 0, on success
516 * -1, on failure
517 */
518int fit_image_get_os(const void *fit, int noffset, uint8_t *os)
519{
520 int len;
521 const void *data;
522
523 /* Get OS name from property data */
524 data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len);
525 if (data == NULL) {
526 fit_get_debug(fit, noffset, FIT_OS_PROP, len);
527 *os = -1;
528 return -1;
529 }
530
531 /* Translate OS name to id */
532 *os = genimg_get_os_id(data);
533 return 0;
534}
535
536/**
537 * fit_image_get_arch - get arch id for a given component image node
538 * @fit: pointer to the FIT format image header
539 * @noffset: component image node offset
540 * @arch: pointer to the uint8_t, will hold arch numeric id
541 *
542 * fit_image_get_arch() finds arch property in a given component image node.
543 * If the property is found, its (string) value is translated to the numeric
544 * id which is returned to the caller.
545 *
546 * returns:
547 * 0, on success
548 * -1, on failure
549 */
550int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch)
551{
552 int len;
553 const void *data;
554
555 /* Get architecture name from property data */
556 data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len);
557 if (data == NULL) {
558 fit_get_debug(fit, noffset, FIT_ARCH_PROP, len);
559 *arch = -1;
560 return -1;
561 }
562
563 /* Translate architecture name to id */
564 *arch = genimg_get_arch_id(data);
565 return 0;
566}
567
568/**
569 * fit_image_get_type - get type id for a given component image node
570 * @fit: pointer to the FIT format image header
571 * @noffset: component image node offset
572 * @type: pointer to the uint8_t, will hold type numeric id
573 *
574 * fit_image_get_type() finds type property in a given component image node.
575 * If the property is found, its (string) value is translated to the numeric
576 * id which is returned to the caller.
577 *
578 * returns:
579 * 0, on success
580 * -1, on failure
581 */
582int fit_image_get_type(const void *fit, int noffset, uint8_t *type)
583{
584 int len;
585 const void *data;
586
587 /* Get image type name from property data */
588 data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len);
589 if (data == NULL) {
590 fit_get_debug(fit, noffset, FIT_TYPE_PROP, len);
591 *type = -1;
592 return -1;
593 }
594
595 /* Translate image type name to id */
596 *type = genimg_get_type_id(data);
597 return 0;
598}
599
600/**
601 * fit_image_get_comp - get comp id for a given component image node
602 * @fit: pointer to the FIT format image header
603 * @noffset: component image node offset
604 * @comp: pointer to the uint8_t, will hold comp numeric id
605 *
606 * fit_image_get_comp() finds comp property in a given component image node.
607 * If the property is found, its (string) value is translated to the numeric
608 * id which is returned to the caller.
609 *
610 * returns:
611 * 0, on success
612 * -1, on failure
613 */
614int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp)
615{
616 int len;
617 const void *data;
618
619 /* Get compression name from property data */
620 data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len);
621 if (data == NULL) {
622 fit_get_debug(fit, noffset, FIT_COMP_PROP, len);
623 *comp = -1;
624 return -1;
625 }
626
627 /* Translate compression name to id */
628 *comp = genimg_get_comp_id(data);
629 return 0;
630}
631
632/**
633 * fit_image_get_load() - get load addr property for given component image node
634 * @fit: pointer to the FIT format image header
635 * @noffset: component image node offset
636 * @load: pointer to the uint32_t, will hold load address
637 *
638 * fit_image_get_load() finds load address property in a given component
639 * image node. If the property is found, its value is returned to the caller.
640 *
641 * returns:
642 * 0, on success
643 * -1, on failure
644 */
645int fit_image_get_load(const void *fit, int noffset, ulong *load)
646{
647 int len;
648 const uint32_t *data;
649
650 data = fdt_getprop(fit, noffset, FIT_LOAD_PROP, &len);
651 if (data == NULL) {
652 fit_get_debug(fit, noffset, FIT_LOAD_PROP, len);
653 return -1;
654 }
655
656 *load = uimage_to_cpu(*data);
657 return 0;
658}
659
660/**
661 * fit_image_get_entry() - get entry point address property
662 * @fit: pointer to the FIT format image header
663 * @noffset: component image node offset
664 * @entry: pointer to the uint32_t, will hold entry point address
665 *
666 * This gets the entry point address property for a given component image
667 * node.
668 *
669 * fit_image_get_entry() finds entry point address property in a given
670 * component image node. If the property is found, its value is returned
671 * to the caller.
672 *
673 * returns:
674 * 0, on success
675 * -1, on failure
676 */
677int fit_image_get_entry(const void *fit, int noffset, ulong *entry)
678{
679 int len;
680 const uint32_t *data;
681
682 data = fdt_getprop(fit, noffset, FIT_ENTRY_PROP, &len);
683 if (data == NULL) {
684 fit_get_debug(fit, noffset, FIT_ENTRY_PROP, len);
685 return -1;
686 }
687
688 *entry = uimage_to_cpu(*data);
689 return 0;
690}
691
692/**
693 * fit_image_get_data - get data property and its size for a given component image node
694 * @fit: pointer to the FIT format image header
695 * @noffset: component image node offset
696 * @data: double pointer to void, will hold data property's data address
697 * @size: pointer to size_t, will hold data property's data size
698 *
699 * fit_image_get_data() finds data property in a given component image node.
700 * If the property is found its data start address and size are returned to
701 * the caller.
702 *
703 * returns:
704 * 0, on success
705 * -1, on failure
706 */
707int fit_image_get_data(const void *fit, int noffset,
708 const void **data, size_t *size)
709{
710 int len;
711
712 *data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len);
713 if (*data == NULL) {
714 fit_get_debug(fit, noffset, FIT_DATA_PROP, len);
715 *size = 0;
716 return -1;
717 }
718
719 *size = len;
720 return 0;
721}
722
723/**
724 * fit_image_hash_get_algo - get hash algorithm name
725 * @fit: pointer to the FIT format image header
726 * @noffset: hash node offset
727 * @algo: double pointer to char, will hold pointer to the algorithm name
728 *
729 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node.
730 * If the property is found its data start address is returned to the caller.
731 *
732 * returns:
733 * 0, on success
734 * -1, on failure
735 */
736int fit_image_hash_get_algo(const void *fit, int noffset, char **algo)
737{
738 int len;
739
740 *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len);
741 if (*algo == NULL) {
742 fit_get_debug(fit, noffset, FIT_ALGO_PROP, len);
743 return -1;
744 }
745
746 return 0;
747}
748
749/**
750 * fit_image_hash_get_value - get hash value and length
751 * @fit: pointer to the FIT format image header
752 * @noffset: hash node offset
753 * @value: double pointer to uint8_t, will hold address of a hash value data
754 * @value_len: pointer to an int, will hold hash data length
755 *
756 * fit_image_hash_get_value() finds hash value property in a given hash node.
757 * If the property is found its data start address and size are returned to
758 * the caller.
759 *
760 * returns:
761 * 0, on success
762 * -1, on failure
763 */
764int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
765 int *value_len)
766{
767 int len;
768
769 *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len);
770 if (*value == NULL) {
771 fit_get_debug(fit, noffset, FIT_VALUE_PROP, len);
772 *value_len = 0;
773 return -1;
774 }
775
776 *value_len = len;
777 return 0;
778}
779
Simon Glass53fbb7e2013-05-07 06:11:53 +0000780/**
781 * fit_image_hash_get_ignore - get hash ignore flag
782 * @fit: pointer to the FIT format image header
783 * @noffset: hash node offset
784 * @ignore: pointer to an int, will hold hash ignore flag
785 *
786 * fit_image_hash_get_ignore() finds hash ignore property in a given hash node.
787 * If the property is found and non-zero, the hash algorithm is not verified by
788 * u-boot automatically.
789 *
790 * returns:
791 * 0, on ignore not found
792 * value, on ignore found
793 */
Simon Glassab9efc62013-05-07 06:11:58 +0000794static int fit_image_hash_get_ignore(const void *fit, int noffset, int *ignore)
Simon Glass53fbb7e2013-05-07 06:11:53 +0000795{
796 int len;
797 int *value;
798
799 value = (int *)fdt_getprop(fit, noffset, FIT_IGNORE_PROP, &len);
800 if (value == NULL || len != sizeof(int))
801 *ignore = 0;
802 else
803 *ignore = *value;
804
805 return 0;
806}
Simon Glass53fbb7e2013-05-07 06:11:53 +0000807
808/**
809 * fit_set_timestamp - set node timestamp property
810 * @fit: pointer to the FIT format image header
811 * @noffset: node offset
812 * @timestamp: timestamp value to be set
813 *
814 * fit_set_timestamp() attempts to set timestamp property in the requested
815 * node and returns operation status to the caller.
816 *
817 * returns:
818 * 0, on success
819 * -1, on property read failure
820 */
821int fit_set_timestamp(void *fit, int noffset, time_t timestamp)
822{
823 uint32_t t;
824 int ret;
825
826 t = cpu_to_uimage(timestamp);
827 ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t,
828 sizeof(uint32_t));
829 if (ret) {
830 printf("Can't set '%s' property for '%s' node (%s)\n",
831 FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL),
832 fdt_strerror(ret));
833 return -1;
834 }
835
836 return 0;
837}
838
839/**
840 * calculate_hash - calculate and return hash for provided input data
841 * @data: pointer to the input data
842 * @data_len: data length
843 * @algo: requested hash algorithm
844 * @value: pointer to the char, will hold hash value data (caller must
845 * allocate enough free space)
846 * value_len: length of the calculated hash
847 *
848 * calculate_hash() computes input data hash according to the requested
849 * algorithm.
850 * Resulting hash value is placed in caller provided 'value' buffer, length
851 * of the calculated hash is returned via value_len pointer argument.
852 *
853 * returns:
854 * 0, on success
855 * -1, when algo is unsupported
856 */
Simon Glass604f23d2013-05-07 06:11:54 +0000857int calculate_hash(const void *data, int data_len, const char *algo,
Simon Glass53fbb7e2013-05-07 06:11:53 +0000858 uint8_t *value, int *value_len)
859{
Simon Glass87ebee32013-05-08 08:05:59 +0000860 if (IMAGE_ENABLE_CRC32 && strcmp(algo, "crc32") == 0) {
Simon Glass53fbb7e2013-05-07 06:11:53 +0000861 *((uint32_t *)value) = crc32_wd(0, data, data_len,
862 CHUNKSZ_CRC32);
863 *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value));
864 *value_len = 4;
Simon Glass87ebee32013-05-08 08:05:59 +0000865 } else if (IMAGE_ENABLE_SHA1 && strcmp(algo, "sha1") == 0) {
Simon Glass53fbb7e2013-05-07 06:11:53 +0000866 sha1_csum_wd((unsigned char *)data, data_len,
867 (unsigned char *)value, CHUNKSZ_SHA1);
868 *value_len = 20;
Simon Glass87ebee32013-05-08 08:05:59 +0000869 } else if (IMAGE_ENABLE_MD5 && strcmp(algo, "md5") == 0) {
Simon Glass53fbb7e2013-05-07 06:11:53 +0000870 md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5);
871 *value_len = 16;
872 } else {
873 debug("Unsupported hash alogrithm\n");
874 return -1;
875 }
876 return 0;
877}
878
Simon Glassab9efc62013-05-07 06:11:58 +0000879static int fit_image_check_hash(const void *fit, int noffset, const void *data,
880 size_t size, char **err_msgp)
881{
882 uint8_t value[FIT_MAX_HASH_LEN];
883 int value_len;
884 char *algo;
885 uint8_t *fit_value;
886 int fit_value_len;
887 int ignore;
888
889 *err_msgp = NULL;
890
891 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
Simon Glasse754da22013-05-07 06:11:59 +0000892 *err_msgp = "Can't get hash algo property";
Simon Glassab9efc62013-05-07 06:11:58 +0000893 return -1;
894 }
895 printf("%s", algo);
896
897 if (IMAGE_ENABLE_IGNORE) {
898 fit_image_hash_get_ignore(fit, noffset, &ignore);
899 if (ignore) {
900 printf("-skipped ");
901 return 0;
902 }
903 }
904
905 if (fit_image_hash_get_value(fit, noffset, &fit_value,
906 &fit_value_len)) {
Simon Glasse754da22013-05-07 06:11:59 +0000907 *err_msgp = "Can't get hash value property";
Simon Glassab9efc62013-05-07 06:11:58 +0000908 return -1;
909 }
910
911 if (calculate_hash(data, size, algo, value, &value_len)) {
Simon Glasse754da22013-05-07 06:11:59 +0000912 *err_msgp = "Unsupported hash algorithm";
Simon Glassab9efc62013-05-07 06:11:58 +0000913 return -1;
914 }
915
916 if (value_len != fit_value_len) {
Simon Glasse754da22013-05-07 06:11:59 +0000917 *err_msgp = "Bad hash value len";
Simon Glassab9efc62013-05-07 06:11:58 +0000918 return -1;
919 } else if (memcmp(value, fit_value, value_len) != 0) {
Simon Glasse754da22013-05-07 06:11:59 +0000920 *err_msgp = "Bad hash value";
Simon Glassab9efc62013-05-07 06:11:58 +0000921 return -1;
922 }
923
924 return 0;
925}
926
Simon Glass53fbb7e2013-05-07 06:11:53 +0000927/**
Simon Glassb8da8362013-05-07 06:11:57 +0000928 * fit_image_verify - verify data intergity
Simon Glass53fbb7e2013-05-07 06:11:53 +0000929 * @fit: pointer to the FIT format image header
930 * @image_noffset: component image node offset
931 *
Simon Glassb8da8362013-05-07 06:11:57 +0000932 * fit_image_verify() goes over component image hash nodes,
Simon Glass53fbb7e2013-05-07 06:11:53 +0000933 * re-calculates each data hash and compares with the value stored in hash
934 * node.
935 *
936 * returns:
937 * 1, if all hashes are valid
938 * 0, otherwise (or on error)
939 */
Simon Glassb8da8362013-05-07 06:11:57 +0000940int fit_image_verify(const void *fit, int image_noffset)
Simon Glass53fbb7e2013-05-07 06:11:53 +0000941{
942 const void *data;
943 size_t size;
Simon Glass53fbb7e2013-05-07 06:11:53 +0000944 int noffset;
Simon Glass53fbb7e2013-05-07 06:11:53 +0000945 char *err_msg = "";
946
947 /* Get image data and data length */
948 if (fit_image_get_data(fit, image_noffset, &data, &size)) {
Simon Glasse754da22013-05-07 06:11:59 +0000949 err_msg = "Can't get image data/size";
Simon Glass53fbb7e2013-05-07 06:11:53 +0000950 return 0;
951 }
952
953 /* Process all hash subnodes of the component image node */
Simon Glassab9efc62013-05-07 06:11:58 +0000954 for (noffset = fdt_first_subnode(fit, image_noffset);
955 noffset >= 0;
956 noffset = fdt_next_subnode(fit, noffset)) {
957 const char *name = fit_get_name(fit, noffset, NULL);
Simon Glass53fbb7e2013-05-07 06:11:53 +0000958
Simon Glassab9efc62013-05-07 06:11:58 +0000959 /*
960 * Check subnode name, must be equal to "hash".
961 * Multiple hash nodes require unique unit node
962 * names, e.g. hash@1, hash@2, etc.
963 */
964 if (!strncmp(name, FIT_HASH_NODENAME,
965 strlen(FIT_HASH_NODENAME))) {
966 if (fit_image_check_hash(fit, noffset, data, size,
967 &err_msg))
Simon Glass53fbb7e2013-05-07 06:11:53 +0000968 goto error;
Simon Glassab9efc62013-05-07 06:11:58 +0000969 puts("+ ");
Simon Glass53fbb7e2013-05-07 06:11:53 +0000970 }
971 }
972
973 if (noffset == -FDT_ERR_TRUNCATED || noffset == -FDT_ERR_BADSTRUCTURE) {
Simon Glasse754da22013-05-07 06:11:59 +0000974 err_msg = "Corrupted or truncated tree";
Simon Glass53fbb7e2013-05-07 06:11:53 +0000975 goto error;
976 }
977
978 return 1;
979
980error:
Simon Glasse754da22013-05-07 06:11:59 +0000981 printf(" error!\n%s for '%s' hash node in '%s' image node\n",
Simon Glass53fbb7e2013-05-07 06:11:53 +0000982 err_msg, fit_get_name(fit, noffset, NULL),
983 fit_get_name(fit, image_noffset, NULL));
984 return 0;
985}
986
987/**
Simon Glassb8da8362013-05-07 06:11:57 +0000988 * fit_all_image_verify - verify data intergity for all images
Simon Glass53fbb7e2013-05-07 06:11:53 +0000989 * @fit: pointer to the FIT format image header
990 *
Simon Glassb8da8362013-05-07 06:11:57 +0000991 * fit_all_image_verify() goes over all images in the FIT and
Simon Glass53fbb7e2013-05-07 06:11:53 +0000992 * for every images checks if all it's hashes are valid.
993 *
994 * returns:
995 * 1, if all hashes of all images are valid
996 * 0, otherwise (or on error)
997 */
Simon Glassb8da8362013-05-07 06:11:57 +0000998int fit_all_image_verify(const void *fit)
Simon Glass53fbb7e2013-05-07 06:11:53 +0000999{
1000 int images_noffset;
1001 int noffset;
1002 int ndepth;
1003 int count;
1004
1005 /* Find images parent node offset */
1006 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1007 if (images_noffset < 0) {
1008 printf("Can't find images parent node '%s' (%s)\n",
1009 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
1010 return 0;
1011 }
1012
1013 /* Process all image subnodes, check hashes for each */
1014 printf("## Checking hash(es) for FIT Image at %08lx ...\n",
1015 (ulong)fit);
1016 for (ndepth = 0, count = 0,
1017 noffset = fdt_next_node(fit, images_noffset, &ndepth);
1018 (noffset >= 0) && (ndepth > 0);
1019 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1020 if (ndepth == 1) {
1021 /*
1022 * Direct child node of the images parent node,
1023 * i.e. component image node.
1024 */
1025 printf(" Hash(es) for Image %u (%s): ", count++,
1026 fit_get_name(fit, noffset, NULL));
1027
Simon Glassb8da8362013-05-07 06:11:57 +00001028 if (!fit_image_verify(fit, noffset))
Simon Glass53fbb7e2013-05-07 06:11:53 +00001029 return 0;
1030 printf("\n");
1031 }
1032 }
1033 return 1;
1034}
1035
1036/**
1037 * fit_image_check_os - check whether image node is of a given os type
1038 * @fit: pointer to the FIT format image header
1039 * @noffset: component image node offset
1040 * @os: requested image os
1041 *
1042 * fit_image_check_os() reads image os property and compares its numeric
1043 * id with the requested os. Comparison result is returned to the caller.
1044 *
1045 * returns:
1046 * 1 if image is of given os type
1047 * 0 otherwise (or on error)
1048 */
1049int fit_image_check_os(const void *fit, int noffset, uint8_t os)
1050{
1051 uint8_t image_os;
1052
1053 if (fit_image_get_os(fit, noffset, &image_os))
1054 return 0;
1055 return (os == image_os);
1056}
1057
1058/**
1059 * fit_image_check_arch - check whether image node is of a given arch
1060 * @fit: pointer to the FIT format image header
1061 * @noffset: component image node offset
1062 * @arch: requested imagearch
1063 *
1064 * fit_image_check_arch() reads image arch property and compares its numeric
1065 * id with the requested arch. Comparison result is returned to the caller.
1066 *
1067 * returns:
1068 * 1 if image is of given arch
1069 * 0 otherwise (or on error)
1070 */
1071int fit_image_check_arch(const void *fit, int noffset, uint8_t arch)
1072{
1073 uint8_t image_arch;
1074
1075 if (fit_image_get_arch(fit, noffset, &image_arch))
1076 return 0;
1077 return (arch == image_arch);
1078}
1079
1080/**
1081 * fit_image_check_type - check whether image node is of a given type
1082 * @fit: pointer to the FIT format image header
1083 * @noffset: component image node offset
1084 * @type: requested image type
1085 *
1086 * fit_image_check_type() reads image type property and compares its numeric
1087 * id with the requested type. Comparison result is returned to the caller.
1088 *
1089 * returns:
1090 * 1 if image is of given type
1091 * 0 otherwise (or on error)
1092 */
1093int fit_image_check_type(const void *fit, int noffset, uint8_t type)
1094{
1095 uint8_t image_type;
1096
1097 if (fit_image_get_type(fit, noffset, &image_type))
1098 return 0;
1099 return (type == image_type);
1100}
1101
1102/**
1103 * fit_image_check_comp - check whether image node uses given compression
1104 * @fit: pointer to the FIT format image header
1105 * @noffset: component image node offset
1106 * @comp: requested image compression type
1107 *
1108 * fit_image_check_comp() reads image compression property and compares its
1109 * numeric id with the requested compression type. Comparison result is
1110 * returned to the caller.
1111 *
1112 * returns:
1113 * 1 if image uses requested compression
1114 * 0 otherwise (or on error)
1115 */
1116int fit_image_check_comp(const void *fit, int noffset, uint8_t comp)
1117{
1118 uint8_t image_comp;
1119
1120 if (fit_image_get_comp(fit, noffset, &image_comp))
1121 return 0;
1122 return (comp == image_comp);
1123}
1124
1125/**
1126 * fit_check_format - sanity check FIT image format
1127 * @fit: pointer to the FIT format image header
1128 *
1129 * fit_check_format() runs a basic sanity FIT image verification.
1130 * Routine checks for mandatory properties, nodes, etc.
1131 *
1132 * returns:
1133 * 1, on success
1134 * 0, on failure
1135 */
1136int fit_check_format(const void *fit)
1137{
1138 /* mandatory / node 'description' property */
1139 if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) {
1140 debug("Wrong FIT format: no description\n");
1141 return 0;
1142 }
1143
1144 if (IMAGE_ENABLE_TIMESTAMP) {
1145 /* mandatory / node 'timestamp' property */
1146 if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) {
1147 debug("Wrong FIT format: no timestamp\n");
1148 return 0;
1149 }
1150 }
1151
1152 /* mandatory subimages parent '/images' node */
1153 if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) {
1154 debug("Wrong FIT format: no images parent node\n");
1155 return 0;
1156 }
1157
1158 return 1;
1159}
1160
1161
1162/**
1163 * fit_conf_find_compat
1164 * @fit: pointer to the FIT format image header
1165 * @fdt: pointer to the device tree to compare against
1166 *
1167 * fit_conf_find_compat() attempts to find the configuration whose fdt is the
1168 * most compatible with the passed in device tree.
1169 *
1170 * Example:
1171 *
1172 * / o image-tree
1173 * |-o images
1174 * | |-o fdt@1
1175 * | |-o fdt@2
1176 * |
1177 * |-o configurations
1178 * |-o config@1
1179 * | |-fdt = fdt@1
1180 * |
1181 * |-o config@2
1182 * |-fdt = fdt@2
1183 *
1184 * / o U-Boot fdt
1185 * |-compatible = "foo,bar", "bim,bam"
1186 *
1187 * / o kernel fdt1
1188 * |-compatible = "foo,bar",
1189 *
1190 * / o kernel fdt2
1191 * |-compatible = "bim,bam", "baz,biz"
1192 *
1193 * Configuration 1 would be picked because the first string in U-Boot's
1194 * compatible list, "foo,bar", matches a compatible string in the root of fdt1.
1195 * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1.
1196 *
1197 * returns:
1198 * offset to the configuration to use if one was found
1199 * -1 otherwise
1200 */
1201int fit_conf_find_compat(const void *fit, const void *fdt)
1202{
1203 int ndepth = 0;
1204 int noffset, confs_noffset, images_noffset;
1205 const void *fdt_compat;
1206 int fdt_compat_len;
1207 int best_match_offset = 0;
1208 int best_match_pos = 0;
1209
1210 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1211 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1212 if (confs_noffset < 0 || images_noffset < 0) {
1213 debug("Can't find configurations or images nodes.\n");
1214 return -1;
1215 }
1216
1217 fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len);
1218 if (!fdt_compat) {
1219 debug("Fdt for comparison has no \"compatible\" property.\n");
1220 return -1;
1221 }
1222
1223 /*
1224 * Loop over the configurations in the FIT image.
1225 */
1226 for (noffset = fdt_next_node(fit, confs_noffset, &ndepth);
1227 (noffset >= 0) && (ndepth > 0);
1228 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1229 const void *kfdt;
1230 const char *kfdt_name;
1231 int kfdt_noffset;
1232 const char *cur_fdt_compat;
1233 int len;
1234 size_t size;
1235 int i;
1236
1237 if (ndepth > 1)
1238 continue;
1239
1240 kfdt_name = fdt_getprop(fit, noffset, "fdt", &len);
1241 if (!kfdt_name) {
1242 debug("No fdt property found.\n");
1243 continue;
1244 }
1245 kfdt_noffset = fdt_subnode_offset(fit, images_noffset,
1246 kfdt_name);
1247 if (kfdt_noffset < 0) {
1248 debug("No image node named \"%s\" found.\n",
1249 kfdt_name);
1250 continue;
1251 }
1252 /*
1253 * Get a pointer to this configuration's fdt.
1254 */
1255 if (fit_image_get_data(fit, kfdt_noffset, &kfdt, &size)) {
1256 debug("Failed to get fdt \"%s\".\n", kfdt_name);
1257 continue;
1258 }
1259
1260 len = fdt_compat_len;
1261 cur_fdt_compat = fdt_compat;
1262 /*
1263 * Look for a match for each U-Boot compatibility string in
1264 * turn in this configuration's fdt.
1265 */
1266 for (i = 0; len > 0 &&
1267 (!best_match_offset || best_match_pos > i); i++) {
1268 int cur_len = strlen(cur_fdt_compat) + 1;
1269
1270 if (!fdt_node_check_compatible(kfdt, 0,
1271 cur_fdt_compat)) {
1272 best_match_offset = noffset;
1273 best_match_pos = i;
1274 break;
1275 }
1276 len -= cur_len;
1277 cur_fdt_compat += cur_len;
1278 }
1279 }
1280 if (!best_match_offset) {
1281 debug("No match found.\n");
1282 return -1;
1283 }
1284
1285 return best_match_offset;
1286}
1287
1288/**
1289 * fit_conf_get_node - get node offset for configuration of a given unit name
1290 * @fit: pointer to the FIT format image header
1291 * @conf_uname: configuration node unit name
1292 *
1293 * fit_conf_get_node() finds a configuration (withing the '/configurations'
1294 * parant node) of a provided unit name. If configuration is found its node
1295 * offset is returned to the caller.
1296 *
1297 * When NULL is provided in second argument fit_conf_get_node() will search
1298 * for a default configuration node instead. Default configuration node unit
1299 * name is retrived from FIT_DEFAULT_PROP property of the '/configurations'
1300 * node.
1301 *
1302 * returns:
1303 * configuration node offset when found (>=0)
1304 * negative number on failure (FDT_ERR_* code)
1305 */
1306int fit_conf_get_node(const void *fit, const char *conf_uname)
1307{
1308 int noffset, confs_noffset;
1309 int len;
1310
1311 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1312 if (confs_noffset < 0) {
1313 debug("Can't find configurations parent node '%s' (%s)\n",
1314 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
1315 return confs_noffset;
1316 }
1317
1318 if (conf_uname == NULL) {
1319 /* get configuration unit name from the default property */
1320 debug("No configuration specified, trying default...\n");
1321 conf_uname = (char *)fdt_getprop(fit, confs_noffset,
1322 FIT_DEFAULT_PROP, &len);
1323 if (conf_uname == NULL) {
1324 fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP,
1325 len);
1326 return len;
1327 }
1328 debug("Found default configuration: '%s'\n", conf_uname);
1329 }
1330
1331 noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname);
1332 if (noffset < 0) {
1333 debug("Can't get node offset for configuration unit name: '%s' (%s)\n",
1334 conf_uname, fdt_strerror(noffset));
1335 }
1336
1337 return noffset;
1338}
1339
Simon Glass003efd72013-05-07 06:12:00 +00001340int fit_conf_get_prop_node(const void *fit, int noffset,
Simon Glass53fbb7e2013-05-07 06:11:53 +00001341 const char *prop_name)
1342{
1343 char *uname;
1344 int len;
1345
1346 /* get kernel image unit name from configuration kernel property */
1347 uname = (char *)fdt_getprop(fit, noffset, prop_name, &len);
1348 if (uname == NULL)
1349 return len;
1350
1351 return fit_image_get_node(fit, uname);
1352}
1353
1354/**
1355 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to
1356 * a given configuration
1357 * @fit: pointer to the FIT format image header
1358 * @noffset: configuration node offset
1359 *
1360 * fit_conf_get_kernel_node() retrives kernel image node unit name from
1361 * configuration FIT_KERNEL_PROP property and translates it to the node
1362 * offset.
1363 *
1364 * returns:
1365 * image node offset when found (>=0)
1366 * negative number on failure (FDT_ERR_* code)
1367 */
1368int fit_conf_get_kernel_node(const void *fit, int noffset)
1369{
Simon Glass003efd72013-05-07 06:12:00 +00001370 return fit_conf_get_prop_node(fit, noffset, FIT_KERNEL_PROP);
Simon Glass53fbb7e2013-05-07 06:11:53 +00001371}
1372
1373/**
1374 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to
1375 * a given configuration
1376 * @fit: pointer to the FIT format image header
1377 * @noffset: configuration node offset
1378 *
1379 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from
1380 * configuration FIT_KERNEL_PROP property and translates it to the node
1381 * offset.
1382 *
1383 * returns:
1384 * image node offset when found (>=0)
1385 * negative number on failure (FDT_ERR_* code)
1386 */
1387int fit_conf_get_ramdisk_node(const void *fit, int noffset)
1388{
Simon Glass003efd72013-05-07 06:12:00 +00001389 return fit_conf_get_prop_node(fit, noffset, FIT_RAMDISK_PROP);
Simon Glass53fbb7e2013-05-07 06:11:53 +00001390}
1391
1392/**
1393 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to
1394 * a given configuration
1395 * @fit: pointer to the FIT format image header
1396 * @noffset: configuration node offset
1397 *
1398 * fit_conf_get_fdt_node() retrives fdt image node unit name from
1399 * configuration FIT_KERNEL_PROP property and translates it to the node
1400 * offset.
1401 *
1402 * returns:
1403 * image node offset when found (>=0)
1404 * negative number on failure (FDT_ERR_* code)
1405 */
1406int fit_conf_get_fdt_node(const void *fit, int noffset)
1407{
Simon Glass003efd72013-05-07 06:12:00 +00001408 return fit_conf_get_prop_node(fit, noffset, FIT_FDT_PROP);
Simon Glass53fbb7e2013-05-07 06:11:53 +00001409}
1410
1411/**
1412 * fit_conf_print - prints out the FIT configuration details
1413 * @fit: pointer to the FIT format image header
1414 * @noffset: offset of the configuration node
1415 * @p: pointer to prefix string
1416 *
1417 * fit_conf_print() lists all mandatory properies for the processed
1418 * configuration node.
1419 *
1420 * returns:
1421 * no returned results
1422 */
1423void fit_conf_print(const void *fit, int noffset, const char *p)
1424{
1425 char *desc;
1426 char *uname;
1427 int ret;
1428
1429 /* Mandatory properties */
1430 ret = fit_get_desc(fit, noffset, &desc);
1431 printf("%s Description: ", p);
1432 if (ret)
1433 printf("unavailable\n");
1434 else
1435 printf("%s\n", desc);
1436
1437 uname = (char *)fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL);
1438 printf("%s Kernel: ", p);
1439 if (uname == NULL)
1440 printf("unavailable\n");
1441 else
1442 printf("%s\n", uname);
1443
1444 /* Optional properties */
1445 uname = (char *)fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL);
1446 if (uname)
1447 printf("%s Init Ramdisk: %s\n", p, uname);
1448
1449 uname = (char *)fdt_getprop(fit, noffset, FIT_FDT_PROP, NULL);
1450 if (uname)
1451 printf("%s FDT: %s\n", p, uname);
1452}
1453
Simon Glass782cfbb2013-05-16 13:53:21 +00001454int fit_image_select(const void *fit, int rd_noffset, int verify)
1455{
1456 fit_image_print(fit, rd_noffset, " ");
1457
1458 if (verify) {
1459 puts(" Verifying Hash Integrity ... ");
1460 if (!fit_image_verify(fit, rd_noffset)) {
1461 puts("Bad Data Hash\n");
1462 return -EACCES;
1463 }
1464 puts("OK\n");
1465 }
1466
1467 return 0;
1468}
1469
Simon Glass53fbb7e2013-05-07 06:11:53 +00001470/**
1471 * fit_check_ramdisk - verify FIT format ramdisk subimage
1472 * @fit_hdr: pointer to the FIT ramdisk header
1473 * @rd_noffset: ramdisk subimage node offset within FIT image
1474 * @arch: requested ramdisk image architecture type
1475 * @verify: data CRC verification flag
1476 *
1477 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from
1478 * specified FIT image.
1479 *
1480 * returns:
1481 * 1, on success
1482 * 0, on failure
1483 */
Simon Glass53fbb7e2013-05-07 06:11:53 +00001484int fit_check_ramdisk(const void *fit, int rd_noffset, uint8_t arch,
1485 int verify)
1486{
1487 fit_image_print(fit, rd_noffset, " ");
1488
1489 if (verify) {
1490 puts(" Verifying Hash Integrity ... ");
Simon Glassb8da8362013-05-07 06:11:57 +00001491 if (!fit_image_verify(fit, rd_noffset)) {
Simon Glass53fbb7e2013-05-07 06:11:53 +00001492 puts("Bad Data Hash\n");
1493 bootstage_error(BOOTSTAGE_ID_FIT_RD_HASH);
1494 return 0;
1495 }
1496 puts("OK\n");
1497 }
1498
1499 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL);
1500 if (!fit_image_check_os(fit, rd_noffset, IH_OS_LINUX) ||
1501 !fit_image_check_arch(fit, rd_noffset, arch) ||
1502 !fit_image_check_type(fit, rd_noffset, IH_TYPE_RAMDISK)) {
1503 printf("No Linux %s Ramdisk Image\n",
1504 genimg_get_arch_name(arch));
1505 bootstage_error(BOOTSTAGE_ID_FIT_RD_CHECK_ALL);
1506 return 0;
1507 }
1508
1509 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL_OK);
1510 return 1;
1511}
Simon Glass782cfbb2013-05-16 13:53:21 +00001512
1513int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name,
1514 ulong addr)
1515{
1516 int cfg_noffset;
1517 void *fit_hdr;
1518 int noffset;
1519
1520 debug("* %s: using config '%s' from image at 0x%08lx\n",
1521 prop_name, images->fit_uname_cfg, addr);
1522
1523 /* Check whether configuration has this property defined */
1524 fit_hdr = map_sysmem(addr, 0);
1525 cfg_noffset = fit_conf_get_node(fit_hdr, images->fit_uname_cfg);
1526 if (cfg_noffset < 0) {
1527 debug("* %s: no such config\n", prop_name);
1528 return -ENOENT;
1529 }
1530
1531 noffset = fit_conf_get_prop_node(fit_hdr, cfg_noffset, prop_name);
1532 if (noffset < 0) {
1533 debug("* %s: no '%s' in config\n", prop_name, prop_name);
1534 return -ENOLINK;
1535 }
1536
1537 return noffset;
1538}
1539
1540int fit_image_load(bootm_headers_t *images, const char *prop_name, ulong addr,
1541 const char **fit_unamep, const char *fit_uname_config,
1542 int arch, int image_type, int bootstage_id,
1543 enum fit_load_op load_op, ulong *datap, ulong *lenp)
1544{
1545 int cfg_noffset, noffset;
1546 const char *fit_uname;
1547 const void *fit;
1548 const void *buf;
1549 size_t size;
1550 int type_ok, os_ok;
1551 ulong load, data, len;
1552 int ret;
1553
1554 fit = map_sysmem(addr, 0);
1555 fit_uname = fit_unamep ? *fit_unamep : NULL;
1556 printf("## Loading %s from FIT Image at %08lx ...\n", prop_name, addr);
1557
1558 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT);
1559 if (!fit_check_format(fit)) {
1560 printf("Bad FIT %s image format!\n", prop_name);
1561 bootstage_error(bootstage_id + BOOTSTAGE_SUB_FORMAT);
1562 return -ENOEXEC;
1563 }
1564 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT_OK);
1565 if (fit_uname) {
1566 /* get ramdisk component image node offset */
1567 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_UNIT_NAME);
1568 noffset = fit_image_get_node(fit, fit_uname);
1569 } else {
1570 /*
1571 * no image node unit name, try to get config
1572 * node first. If config unit node name is NULL
1573 * fit_conf_get_node() will try to find default config node
1574 */
1575 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_NO_UNIT_NAME);
1576 if (IMAGE_ENABLE_BEST_MATCH && !fit_uname_config) {
1577 cfg_noffset = fit_conf_find_compat(fit, gd_fdt_blob());
1578 } else {
1579 cfg_noffset = fit_conf_get_node(fit,
1580 fit_uname_config);
1581 }
1582 if (cfg_noffset < 0) {
1583 puts("Could not find configuration node\n");
1584 bootstage_error(bootstage_id +
1585 BOOTSTAGE_SUB_NO_UNIT_NAME);
1586 return -ENOENT;
1587 }
1588 fit_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
1589 printf(" Using '%s' configuration\n", fit_uname_config);
1590 if (image_type == IH_TYPE_KERNEL) {
1591 /* Remember (and possibly verify) this config */
1592 images->fit_uname_cfg = fit_uname_config;
1593 if (IMAGE_ENABLE_VERIFY && images->verify) {
1594 puts(" Verifying Hash Integrity ... ");
1595 if (!fit_config_verify(fit, cfg_noffset)) {
1596 puts("Bad Data Hash\n");
1597 bootstage_error(bootstage_id +
1598 BOOTSTAGE_SUB_HASH);
1599 return -EACCES;
1600 }
1601 puts("OK\n");
1602 }
1603 bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);
1604 }
1605
1606 noffset = fit_conf_get_prop_node(fit, cfg_noffset,
1607 prop_name);
1608 fit_uname = fit_get_name(fit, noffset, NULL);
1609 }
1610 if (noffset < 0) {
1611 puts("Could not find subimage node\n");
1612 bootstage_error(bootstage_id + BOOTSTAGE_SUB_SUBNODE);
1613 return -ENOENT;
1614 }
1615
1616 printf(" Trying '%s' %s subimage\n", fit_uname, prop_name);
1617
1618 ret = fit_image_select(fit, noffset, images->verify);
1619 if (ret) {
1620 bootstage_error(bootstage_id + BOOTSTAGE_SUB_HASH);
1621 return ret;
1622 }
1623
1624 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
1625 if (!fit_image_check_target_arch(fit, noffset)) {
1626 puts("Unsupported Architecture\n");
1627 bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
1628 return -ENOEXEC;
1629 }
1630
1631 if (image_type == IH_TYPE_FLATDT &&
1632 !fit_image_check_comp(fit, noffset, IH_COMP_NONE)) {
1633 puts("FDT image is compressed");
1634 return -EPROTONOSUPPORT;
1635 }
1636
1637 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
1638 type_ok = fit_image_check_type(fit, noffset, image_type) ||
1639 (image_type == IH_TYPE_KERNEL &&
1640 fit_image_check_type(fit, noffset,
1641 IH_TYPE_KERNEL_NOLOAD));
1642 os_ok = image_type == IH_TYPE_FLATDT ||
1643 fit_image_check_os(fit, noffset, IH_OS_LINUX);
1644 if (!type_ok || !os_ok) {
1645 printf("No Linux %s %s Image\n", genimg_get_arch_name(arch),
1646 genimg_get_type_name(image_type));
1647 bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
1648 return -EIO;
1649 }
1650
1651 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL_OK);
1652
1653 /* get image data address and length */
1654 if (fit_image_get_data(fit, noffset, &buf, &size)) {
1655 printf("Could not find %s subimage data!\n", prop_name);
1656 bootstage_error(bootstage_id + BOOTSTAGE_SUB_GET_DATA);
1657 return -ENOMEDIUM;
1658 }
1659 len = (ulong)size;
1660
1661 /* verify that image data is a proper FDT blob */
1662 if (image_type == IH_TYPE_FLATDT && fdt_check_header((char *)buf)) {
1663 puts("Subimage data is not a FDT");
1664 return -ENOEXEC;
1665 }
1666
1667 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_GET_DATA_OK);
1668
1669 /*
1670 * Work-around for eldk-4.2 which gives this warning if we try to
1671 * case in the unmap_sysmem() call:
1672 * warning: initialization discards qualifiers from pointer target type
1673 */
1674 {
1675 void *vbuf = (void *)buf;
1676
1677 data = map_to_sysmem(vbuf);
1678 }
1679
1680 if (load_op == FIT_LOAD_IGNORED) {
1681 /* Don't load */
1682 } else if (fit_image_get_load(fit, noffset, &load)) {
1683 if (load_op == FIT_LOAD_REQUIRED) {
1684 printf("Can't get %s subimage load address!\n",
1685 prop_name);
1686 bootstage_error(bootstage_id + BOOTSTAGE_SUB_LOAD);
1687 return -EBADF;
1688 }
1689 } else {
1690 ulong image_start, image_end;
1691 ulong load_end;
1692 void *dst;
1693
1694 /*
1695 * move image data to the load address,
1696 * make sure we don't overwrite initial image
1697 */
1698 image_start = addr;
1699 image_end = addr + fit_get_size(fit);
1700
1701 load_end = load + len;
1702 if (image_type != IH_TYPE_KERNEL &&
1703 load < image_end && load_end > image_start) {
1704 printf("Error: %s overwritten\n", prop_name);
1705 return -EXDEV;
1706 }
1707
1708 printf(" Loading %s from 0x%08lx to 0x%08lx\n",
1709 prop_name, data, load);
1710
1711 dst = map_sysmem(load, len);
1712 memmove(dst, buf, len);
1713 data = load;
1714 }
1715 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_LOAD);
1716
1717 *datap = data;
1718 *lenp = len;
1719 if (fit_unamep)
1720 *fit_unamep = (char *)fit_uname;
1721
1722 return noffset;
1723}