2 * Copyright (c) 2013, Google Inc.
4 * (C) Copyright 2008 Semihalf
6 * (C) Copyright 2000-2006
7 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
9 * SPDX-License-Identifier: GPL-2.0+
21 DECLARE_GLOBAL_DATA_PTR;
22 #endif /* !USE_HOSTCC*/
24 #include <bootstage.h>
25 #include <u-boot/crc.h>
26 #include <u-boot/md5.h>
27 #include <u-boot/sha1.h>
28 #include <u-boot/sha256.h>
30 /*****************************************************************************/
31 /* New uImage format routines */
32 /*****************************************************************************/
34 static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr,
35 ulong *addr, const char **name)
42 sep = strchr(spec, sepc);
45 *addr = simple_strtoul(spec, NULL, 16);
55 * fit_parse_conf - parse FIT configuration spec
56 * @spec: input string, containing configuration spec
57 * @add_curr: current image address (to be used as a possible default)
58 * @addr: pointer to a ulong variable, will hold FIT image address of a given
60 * @conf_name double pointer to a char, will hold pointer to a configuration
63 * fit_parse_conf() expects configuration spec in the form of [<addr>]#<conf>,
64 * where <addr> is a FIT image address that contains configuration
65 * with a <conf> unit name.
67 * Address part is optional, and if omitted default add_curr will
71 * 1 if spec is a valid configuration string,
72 * addr and conf_name are set accordingly
75 int fit_parse_conf(const char *spec, ulong addr_curr,
76 ulong *addr, const char **conf_name)
78 return fit_parse_spec(spec, '#', addr_curr, addr, conf_name);
82 * fit_parse_subimage - parse FIT subimage spec
83 * @spec: input string, containing subimage spec
84 * @add_curr: current image address (to be used as a possible default)
85 * @addr: pointer to a ulong variable, will hold FIT image address of a given
87 * @image_name: double pointer to a char, will hold pointer to a subimage name
89 * fit_parse_subimage() expects subimage spec in the form of
90 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains
91 * subimage with a <subimg> unit name.
93 * Address part is optional, and if omitted default add_curr will
97 * 1 if spec is a valid subimage string,
98 * addr and image_name are set accordingly
101 int fit_parse_subimage(const char *spec, ulong addr_curr,
102 ulong *addr, const char **image_name)
104 return fit_parse_spec(spec, ':', addr_curr, addr, image_name);
106 #endif /* !USE_HOSTCC */
108 static void fit_get_debug(const void *fit, int noffset,
109 char *prop_name, int err)
111 debug("Can't get '%s' property from FIT 0x%08lx, node: offset %d, name %s (%s)\n",
112 prop_name, (ulong)fit, noffset, fit_get_name(fit, noffset, NULL),
117 * fit_get_subimage_count - get component (sub-image) count
118 * @fit: pointer to the FIT format image header
119 * @images_noffset: offset of images node
122 * number of image components
124 int fit_get_subimage_count(const void *fit, int images_noffset)
130 /* Process its subnodes, print out component images details */
131 for (ndepth = 0, count = 0,
132 noffset = fdt_next_node(fit, images_noffset, &ndepth);
133 (noffset >= 0) && (ndepth > 0);
134 noffset = fdt_next_node(fit, noffset, &ndepth)) {
143 #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT)
145 * fit_print_contents - prints out the contents of the FIT format image
146 * @fit: pointer to the FIT format image header
147 * @p: pointer to prefix string
149 * fit_print_contents() formats a multi line FIT image contents description.
150 * The routine prints out FIT image properties (root node level) followed by
151 * the details of each component image.
154 * no returned results
156 void fit_print_contents(const void *fit)
169 /* Indent string is defined in header image.h */
170 p = IMAGE_INDENT_STRING;
172 /* Root node properties */
173 ret = fit_get_desc(fit, 0, &desc);
174 printf("%sFIT description: ", p);
176 printf("unavailable\n");
178 printf("%s\n", desc);
180 if (IMAGE_ENABLE_TIMESTAMP) {
181 ret = fit_get_timestamp(fit, 0, ×tamp);
182 printf("%sCreated: ", p);
184 printf("unavailable\n");
186 genimg_print_time(timestamp);
189 /* Find images parent node offset */
190 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
191 if (images_noffset < 0) {
192 printf("Can't find images parent node '%s' (%s)\n",
193 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
197 /* Process its subnodes, print out component images details */
198 for (ndepth = 0, count = 0,
199 noffset = fdt_next_node(fit, images_noffset, &ndepth);
200 (noffset >= 0) && (ndepth > 0);
201 noffset = fdt_next_node(fit, noffset, &ndepth)) {
204 * Direct child node of the images parent node,
205 * i.e. component image node.
207 printf("%s Image %u (%s)\n", p, count++,
208 fit_get_name(fit, noffset, NULL));
210 fit_image_print(fit, noffset, p);
214 /* Find configurations parent node offset */
215 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
216 if (confs_noffset < 0) {
217 debug("Can't get configurations parent node '%s' (%s)\n",
218 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
222 /* get default configuration unit name from default property */
223 uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL);
225 printf("%s Default Configuration: '%s'\n", p, uname);
227 /* Process its subnodes, print out configurations details */
228 for (ndepth = 0, count = 0,
229 noffset = fdt_next_node(fit, confs_noffset, &ndepth);
230 (noffset >= 0) && (ndepth > 0);
231 noffset = fdt_next_node(fit, noffset, &ndepth)) {
234 * Direct child node of the configurations parent node,
235 * i.e. configuration node.
237 printf("%s Configuration %u (%s)\n", p, count++,
238 fit_get_name(fit, noffset, NULL));
240 fit_conf_print(fit, noffset, p);
246 * fit_image_print_data() - prints out the hash node details
247 * @fit: pointer to the FIT format image header
248 * @noffset: offset of the hash node
249 * @p: pointer to prefix string
250 * @type: Type of information to print ("hash" or "sign")
252 * fit_image_print_data() lists properties for the processed hash node
254 * This function avoid using puts() since it prints a newline on the host
255 * but does not in U-Boot.
258 * no returned results
260 static void fit_image_print_data(const void *fit, int noffset, const char *p,
270 debug("%s %s node: '%s'\n", p, type,
271 fit_get_name(fit, noffset, NULL));
272 printf("%s %s algo: ", p, type);
273 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
274 printf("invalid/unsupported\n");
278 keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL);
279 required = fdt_getprop(fit, noffset, "required", NULL) != NULL;
281 printf(":%s", keyname);
283 printf(" (required)");
286 ret = fit_image_hash_get_value(fit, noffset, &value,
288 printf("%s %s value: ", p, type);
290 printf("unavailable\n");
292 for (i = 0; i < value_len; i++)
293 printf("%02x", value[i]);
297 debug("%s %s len: %d\n", p, type, value_len);
299 /* Signatures have a time stamp */
300 if (IMAGE_ENABLE_TIMESTAMP && keyname) {
303 printf("%s Timestamp: ", p);
304 if (fit_get_timestamp(fit, noffset, ×tamp))
305 printf("unavailable\n");
307 genimg_print_time(timestamp);
312 * fit_image_print_verification_data() - prints out the hash/signature details
313 * @fit: pointer to the FIT format image header
314 * @noffset: offset of the hash or signature node
315 * @p: pointer to prefix string
317 * This lists properties for the processed hash node
320 * no returned results
322 static void fit_image_print_verification_data(const void *fit, int noffset,
328 * Check subnode name, must be equal to "hash" or "signature".
329 * Multiple hash/signature nodes require unique unit node
330 * names, e.g. hash@1, hash@2, signature@1, signature@2, etc.
332 name = fit_get_name(fit, noffset, NULL);
333 if (!strncmp(name, FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME))) {
334 fit_image_print_data(fit, noffset, p, "Hash");
335 } else if (!strncmp(name, FIT_SIG_NODENAME,
336 strlen(FIT_SIG_NODENAME))) {
337 fit_image_print_data(fit, noffset, p, "Sign");
342 * fit_image_print - prints out the FIT component image details
343 * @fit: pointer to the FIT format image header
344 * @image_noffset: offset of the component image node
345 * @p: pointer to prefix string
347 * fit_image_print() lists all mandatory properties for the processed component
348 * image. If present, hash nodes are printed out as well. Load
349 * address for images of type firmware is also printed out. Since the load
350 * address is not mandatory for firmware images, it will be output as
351 * "unavailable" when not present.
354 * no returned results
356 void fit_image_print(const void *fit, int image_noffset, const char *p)
359 uint8_t type, arch, os, comp;
367 /* Mandatory properties */
368 ret = fit_get_desc(fit, image_noffset, &desc);
369 printf("%s Description: ", p);
371 printf("unavailable\n");
373 printf("%s\n", desc);
375 if (IMAGE_ENABLE_TIMESTAMP) {
378 ret = fit_get_timestamp(fit, 0, ×tamp);
379 printf("%s Created: ", p);
381 printf("unavailable\n");
383 genimg_print_time(timestamp);
386 fit_image_get_type(fit, image_noffset, &type);
387 printf("%s Type: %s\n", p, genimg_get_type_name(type));
389 fit_image_get_comp(fit, image_noffset, &comp);
390 printf("%s Compression: %s\n", p, genimg_get_comp_name(comp));
392 ret = fit_image_get_data(fit, image_noffset, &data, &size);
395 printf("%s Data Start: ", p);
397 printf("unavailable\n");
399 void *vdata = (void *)data;
401 printf("0x%08lx\n", (ulong)map_to_sysmem(vdata));
405 printf("%s Data Size: ", p);
407 printf("unavailable\n");
409 genimg_print_size(size);
411 /* Remaining, type dependent properties */
412 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
413 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) ||
414 (type == IH_TYPE_FLATDT)) {
415 fit_image_get_arch(fit, image_noffset, &arch);
416 printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch));
419 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK)) {
420 fit_image_get_os(fit, image_noffset, &os);
421 printf("%s OS: %s\n", p, genimg_get_os_name(os));
424 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
425 (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK) ||
426 (type == IH_TYPE_FPGA)) {
427 ret = fit_image_get_load(fit, image_noffset, &load);
428 printf("%s Load Address: ", p);
430 printf("unavailable\n");
432 printf("0x%08lx\n", load);
435 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
436 (type == IH_TYPE_RAMDISK)) {
437 ret = fit_image_get_entry(fit, image_noffset, &entry);
438 printf("%s Entry Point: ", p);
440 printf("unavailable\n");
442 printf("0x%08lx\n", entry);
445 /* Process all hash subnodes of the component image node */
446 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
447 (noffset >= 0) && (ndepth > 0);
448 noffset = fdt_next_node(fit, noffset, &ndepth)) {
450 /* Direct child node of the component image node */
451 fit_image_print_verification_data(fit, noffset, p);
456 #endif /* !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT) */
459 * fit_get_desc - get node description property
460 * @fit: pointer to the FIT format image header
461 * @noffset: node offset
462 * @desc: double pointer to the char, will hold pointer to the description
464 * fit_get_desc() reads description property from a given node, if
465 * description is found pointer to it is returned in third call argument.
471 int fit_get_desc(const void *fit, int noffset, char **desc)
475 *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len);
477 fit_get_debug(fit, noffset, FIT_DESC_PROP, len);
485 * fit_get_timestamp - get node timestamp property
486 * @fit: pointer to the FIT format image header
487 * @noffset: node offset
488 * @timestamp: pointer to the time_t, will hold read timestamp
490 * fit_get_timestamp() reads timestamp property from given node, if timestamp
491 * is found and has a correct size its value is returned in third call
496 * -1, on property read failure
497 * -2, on wrong timestamp size
499 int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp)
504 data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len);
506 fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len);
509 if (len != sizeof(uint32_t)) {
510 debug("FIT timestamp with incorrect size of (%u)\n", len);
514 *timestamp = uimage_to_cpu(*((uint32_t *)data));
519 * fit_image_get_node - get node offset for component image of a given unit name
520 * @fit: pointer to the FIT format image header
521 * @image_uname: component image node unit name
523 * fit_image_get_node() finds a component image (within the '/images'
524 * node) of a provided unit name. If image is found its node offset is
525 * returned to the caller.
528 * image node offset when found (>=0)
529 * negative number on failure (FDT_ERR_* code)
531 int fit_image_get_node(const void *fit, const char *image_uname)
533 int noffset, images_noffset;
535 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
536 if (images_noffset < 0) {
537 debug("Can't find images parent node '%s' (%s)\n",
538 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
539 return images_noffset;
542 noffset = fdt_subnode_offset(fit, images_noffset, image_uname);
544 debug("Can't get node offset for image unit name: '%s' (%s)\n",
545 image_uname, fdt_strerror(noffset));
552 * fit_image_get_os - get os id for a given component image node
553 * @fit: pointer to the FIT format image header
554 * @noffset: component image node offset
555 * @os: pointer to the uint8_t, will hold os numeric id
557 * fit_image_get_os() finds os property in a given component image node.
558 * If the property is found, its (string) value is translated to the numeric
559 * id which is returned to the caller.
565 int fit_image_get_os(const void *fit, int noffset, uint8_t *os)
570 /* Get OS name from property data */
571 data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len);
573 fit_get_debug(fit, noffset, FIT_OS_PROP, len);
578 /* Translate OS name to id */
579 *os = genimg_get_os_id(data);
584 * fit_image_get_arch - get arch id for a given component image node
585 * @fit: pointer to the FIT format image header
586 * @noffset: component image node offset
587 * @arch: pointer to the uint8_t, will hold arch numeric id
589 * fit_image_get_arch() finds arch property in a given component image node.
590 * If the property is found, its (string) value is translated to the numeric
591 * id which is returned to the caller.
597 int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch)
602 /* Get architecture name from property data */
603 data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len);
605 fit_get_debug(fit, noffset, FIT_ARCH_PROP, len);
610 /* Translate architecture name to id */
611 *arch = genimg_get_arch_id(data);
616 * fit_image_get_type - get type id for a given component image node
617 * @fit: pointer to the FIT format image header
618 * @noffset: component image node offset
619 * @type: pointer to the uint8_t, will hold type numeric id
621 * fit_image_get_type() finds type property in a given component image node.
622 * If the property is found, its (string) value is translated to the numeric
623 * id which is returned to the caller.
629 int fit_image_get_type(const void *fit, int noffset, uint8_t *type)
634 /* Get image type name from property data */
635 data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len);
637 fit_get_debug(fit, noffset, FIT_TYPE_PROP, len);
642 /* Translate image type name to id */
643 *type = genimg_get_type_id(data);
648 * fit_image_get_comp - get comp id for a given component image node
649 * @fit: pointer to the FIT format image header
650 * @noffset: component image node offset
651 * @comp: pointer to the uint8_t, will hold comp numeric id
653 * fit_image_get_comp() finds comp property in a given component image node.
654 * If the property is found, its (string) value is translated to the numeric
655 * id which is returned to the caller.
661 int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp)
666 /* Get compression name from property data */
667 data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len);
669 fit_get_debug(fit, noffset, FIT_COMP_PROP, len);
674 /* Translate compression name to id */
675 *comp = genimg_get_comp_id(data);
679 static int fit_image_get_address(const void *fit, int noffset, char *name,
686 cell = fdt_getprop(fit, noffset, name, &len);
688 fit_get_debug(fit, noffset, name, len);
692 if (len > sizeof(ulong)) {
693 printf("Unsupported %s address size\n", name);
698 /* Use load64 to avoid compiling warning for 32-bit target */
700 load64 = (load64 << 32) | uimage_to_cpu(*cell);
703 *load = (ulong)load64;
708 * fit_image_get_load() - get load addr property for given component image node
709 * @fit: pointer to the FIT format image header
710 * @noffset: component image node offset
711 * @load: pointer to the uint32_t, will hold load address
713 * fit_image_get_load() finds load address property in a given component
714 * image node. If the property is found, its value is returned to the caller.
720 int fit_image_get_load(const void *fit, int noffset, ulong *load)
722 return fit_image_get_address(fit, noffset, FIT_LOAD_PROP, load);
726 * fit_image_get_entry() - get entry point address property
727 * @fit: pointer to the FIT format image header
728 * @noffset: component image node offset
729 * @entry: pointer to the uint32_t, will hold entry point address
731 * This gets the entry point address property for a given component image
734 * fit_image_get_entry() finds entry point address property in a given
735 * component image node. If the property is found, its value is returned
742 int fit_image_get_entry(const void *fit, int noffset, ulong *entry)
744 return fit_image_get_address(fit, noffset, FIT_ENTRY_PROP, entry);
748 * fit_image_get_data - get data property and its size for a given component image node
749 * @fit: pointer to the FIT format image header
750 * @noffset: component image node offset
751 * @data: double pointer to void, will hold data property's data address
752 * @size: pointer to size_t, will hold data property's data size
754 * fit_image_get_data() finds data property in a given component image node.
755 * If the property is found its data start address and size are returned to
762 int fit_image_get_data(const void *fit, int noffset,
763 const void **data, size_t *size)
767 *data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len);
769 fit_get_debug(fit, noffset, FIT_DATA_PROP, len);
779 * fit_image_hash_get_algo - get hash algorithm name
780 * @fit: pointer to the FIT format image header
781 * @noffset: hash node offset
782 * @algo: double pointer to char, will hold pointer to the algorithm name
784 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node.
785 * If the property is found its data start address is returned to the caller.
791 int fit_image_hash_get_algo(const void *fit, int noffset, char **algo)
795 *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len);
797 fit_get_debug(fit, noffset, FIT_ALGO_PROP, len);
805 * fit_image_hash_get_value - get hash value and length
806 * @fit: pointer to the FIT format image header
807 * @noffset: hash node offset
808 * @value: double pointer to uint8_t, will hold address of a hash value data
809 * @value_len: pointer to an int, will hold hash data length
811 * fit_image_hash_get_value() finds hash value property in a given hash node.
812 * If the property is found its data start address and size are returned to
819 int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
824 *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len);
825 if (*value == NULL) {
826 fit_get_debug(fit, noffset, FIT_VALUE_PROP, len);
836 * fit_image_hash_get_ignore - get hash ignore flag
837 * @fit: pointer to the FIT format image header
838 * @noffset: hash node offset
839 * @ignore: pointer to an int, will hold hash ignore flag
841 * fit_image_hash_get_ignore() finds hash ignore property in a given hash node.
842 * If the property is found and non-zero, the hash algorithm is not verified by
843 * u-boot automatically.
846 * 0, on ignore not found
847 * value, on ignore found
849 static int fit_image_hash_get_ignore(const void *fit, int noffset, int *ignore)
854 value = (int *)fdt_getprop(fit, noffset, FIT_IGNORE_PROP, &len);
855 if (value == NULL || len != sizeof(int))
863 ulong fit_get_end(const void *fit)
865 return map_to_sysmem((void *)(fit + fdt_totalsize(fit)));
869 * fit_set_timestamp - set node timestamp property
870 * @fit: pointer to the FIT format image header
871 * @noffset: node offset
872 * @timestamp: timestamp value to be set
874 * fit_set_timestamp() attempts to set timestamp property in the requested
875 * node and returns operation status to the caller.
879 * -ENOSPC if no space in device tree, -1 for other error
881 int fit_set_timestamp(void *fit, int noffset, time_t timestamp)
886 t = cpu_to_uimage(timestamp);
887 ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t,
890 debug("Can't set '%s' property for '%s' node (%s)\n",
891 FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL),
893 return ret == -FDT_ERR_NOSPACE ? -ENOSPC : -1;
900 * calculate_hash - calculate and return hash for provided input data
901 * @data: pointer to the input data
902 * @data_len: data length
903 * @algo: requested hash algorithm
904 * @value: pointer to the char, will hold hash value data (caller must
905 * allocate enough free space)
906 * value_len: length of the calculated hash
908 * calculate_hash() computes input data hash according to the requested
910 * Resulting hash value is placed in caller provided 'value' buffer, length
911 * of the calculated hash is returned via value_len pointer argument.
915 * -1, when algo is unsupported
917 int calculate_hash(const void *data, int data_len, const char *algo,
918 uint8_t *value, int *value_len)
920 if (IMAGE_ENABLE_CRC32 && strcmp(algo, "crc32") == 0) {
921 *((uint32_t *)value) = crc32_wd(0, data, data_len,
923 *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value));
925 } else if (IMAGE_ENABLE_SHA1 && strcmp(algo, "sha1") == 0) {
926 sha1_csum_wd((unsigned char *)data, data_len,
927 (unsigned char *)value, CHUNKSZ_SHA1);
929 } else if (IMAGE_ENABLE_SHA256 && strcmp(algo, "sha256") == 0) {
930 sha256_csum_wd((unsigned char *)data, data_len,
931 (unsigned char *)value, CHUNKSZ_SHA256);
932 *value_len = SHA256_SUM_LEN;
933 } else if (IMAGE_ENABLE_MD5 && strcmp(algo, "md5") == 0) {
934 md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5);
937 debug("Unsupported hash alogrithm\n");
943 static int fit_image_check_hash(const void *fit, int noffset, const void *data,
944 size_t size, char **err_msgp)
946 uint8_t value[FIT_MAX_HASH_LEN];
955 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
956 *err_msgp = "Can't get hash algo property";
961 if (IMAGE_ENABLE_IGNORE) {
962 fit_image_hash_get_ignore(fit, noffset, &ignore);
969 if (fit_image_hash_get_value(fit, noffset, &fit_value,
971 *err_msgp = "Can't get hash value property";
975 if (calculate_hash(data, size, algo, value, &value_len)) {
976 *err_msgp = "Unsupported hash algorithm";
980 if (value_len != fit_value_len) {
981 *err_msgp = "Bad hash value len";
983 } else if (memcmp(value, fit_value, value_len) != 0) {
984 *err_msgp = "Bad hash value";
992 * fit_image_verify - verify data integrity
993 * @fit: pointer to the FIT format image header
994 * @image_noffset: component image node offset
996 * fit_image_verify() goes over component image hash nodes,
997 * re-calculates each data hash and compares with the value stored in hash
1001 * 1, if all hashes are valid
1002 * 0, otherwise (or on error)
1004 int fit_image_verify(const void *fit, int image_noffset)
1013 /* Get image data and data length */
1014 if (fit_image_get_data(fit, image_noffset, &data, &size)) {
1015 err_msg = "Can't get image data/size";
1019 /* Verify all required signatures */
1020 if (IMAGE_ENABLE_VERIFY &&
1021 fit_image_verify_required_sigs(fit, image_noffset, data, size,
1022 gd_fdt_blob(), &verify_all)) {
1023 err_msg = "Unable to verify required signature";
1027 /* Process all hash subnodes of the component image node */
1028 fdt_for_each_subnode(fit, noffset, image_noffset) {
1029 const char *name = fit_get_name(fit, noffset, NULL);
1032 * Check subnode name, must be equal to "hash".
1033 * Multiple hash nodes require unique unit node
1034 * names, e.g. hash@1, hash@2, etc.
1036 if (!strncmp(name, FIT_HASH_NODENAME,
1037 strlen(FIT_HASH_NODENAME))) {
1038 if (fit_image_check_hash(fit, noffset, data, size,
1042 } else if (IMAGE_ENABLE_VERIFY && verify_all &&
1043 !strncmp(name, FIT_SIG_NODENAME,
1044 strlen(FIT_SIG_NODENAME))) {
1045 ret = fit_image_check_sig(fit, noffset, data,
1046 size, -1, &err_msg);
1049 * Show an indication on failure, but do not return
1050 * an error. Only keys marked 'required' can cause
1051 * an image validation failure. See the call to
1052 * fit_image_verify_required_sigs() above.
1061 if (noffset == -FDT_ERR_TRUNCATED || noffset == -FDT_ERR_BADSTRUCTURE) {
1062 err_msg = "Corrupted or truncated tree";
1069 printf(" error!\n%s for '%s' hash node in '%s' image node\n",
1070 err_msg, fit_get_name(fit, noffset, NULL),
1071 fit_get_name(fit, image_noffset, NULL));
1076 * fit_all_image_verify - verify data integrity for all images
1077 * @fit: pointer to the FIT format image header
1079 * fit_all_image_verify() goes over all images in the FIT and
1080 * for every images checks if all it's hashes are valid.
1083 * 1, if all hashes of all images are valid
1084 * 0, otherwise (or on error)
1086 int fit_all_image_verify(const void *fit)
1093 /* Find images parent node offset */
1094 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1095 if (images_noffset < 0) {
1096 printf("Can't find images parent node '%s' (%s)\n",
1097 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
1101 /* Process all image subnodes, check hashes for each */
1102 printf("## Checking hash(es) for FIT Image at %08lx ...\n",
1104 for (ndepth = 0, count = 0,
1105 noffset = fdt_next_node(fit, images_noffset, &ndepth);
1106 (noffset >= 0) && (ndepth > 0);
1107 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1110 * Direct child node of the images parent node,
1111 * i.e. component image node.
1113 printf(" Hash(es) for Image %u (%s): ", count,
1114 fit_get_name(fit, noffset, NULL));
1117 if (!fit_image_verify(fit, noffset))
1126 * fit_image_check_os - check whether image node is of a given os type
1127 * @fit: pointer to the FIT format image header
1128 * @noffset: component image node offset
1129 * @os: requested image os
1131 * fit_image_check_os() reads image os property and compares its numeric
1132 * id with the requested os. Comparison result is returned to the caller.
1135 * 1 if image is of given os type
1136 * 0 otherwise (or on error)
1138 int fit_image_check_os(const void *fit, int noffset, uint8_t os)
1142 if (fit_image_get_os(fit, noffset, &image_os))
1144 return (os == image_os);
1148 * fit_image_check_arch - check whether image node is of a given arch
1149 * @fit: pointer to the FIT format image header
1150 * @noffset: component image node offset
1151 * @arch: requested imagearch
1153 * fit_image_check_arch() reads image arch property and compares its numeric
1154 * id with the requested arch. Comparison result is returned to the caller.
1157 * 1 if image is of given arch
1158 * 0 otherwise (or on error)
1160 int fit_image_check_arch(const void *fit, int noffset, uint8_t arch)
1164 if (fit_image_get_arch(fit, noffset, &image_arch))
1166 return (arch == image_arch) ||
1167 (arch == IH_ARCH_I386 && image_arch == IH_ARCH_X86_64);
1171 * fit_image_check_type - check whether image node is of a given type
1172 * @fit: pointer to the FIT format image header
1173 * @noffset: component image node offset
1174 * @type: requested image type
1176 * fit_image_check_type() reads image type property and compares its numeric
1177 * id with the requested type. Comparison result is returned to the caller.
1180 * 1 if image is of given type
1181 * 0 otherwise (or on error)
1183 int fit_image_check_type(const void *fit, int noffset, uint8_t type)
1187 if (fit_image_get_type(fit, noffset, &image_type))
1189 return (type == image_type);
1193 * fit_image_check_comp - check whether image node uses given compression
1194 * @fit: pointer to the FIT format image header
1195 * @noffset: component image node offset
1196 * @comp: requested image compression type
1198 * fit_image_check_comp() reads image compression property and compares its
1199 * numeric id with the requested compression type. Comparison result is
1200 * returned to the caller.
1203 * 1 if image uses requested compression
1204 * 0 otherwise (or on error)
1206 int fit_image_check_comp(const void *fit, int noffset, uint8_t comp)
1210 if (fit_image_get_comp(fit, noffset, &image_comp))
1212 return (comp == image_comp);
1216 * fit_check_format - sanity check FIT image format
1217 * @fit: pointer to the FIT format image header
1219 * fit_check_format() runs a basic sanity FIT image verification.
1220 * Routine checks for mandatory properties, nodes, etc.
1226 int fit_check_format(const void *fit)
1228 /* mandatory / node 'description' property */
1229 if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) {
1230 debug("Wrong FIT format: no description\n");
1234 if (IMAGE_ENABLE_TIMESTAMP) {
1235 /* mandatory / node 'timestamp' property */
1236 if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) {
1237 debug("Wrong FIT format: no timestamp\n");
1242 /* mandatory subimages parent '/images' node */
1243 if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) {
1244 debug("Wrong FIT format: no images parent node\n");
1253 * fit_conf_find_compat
1254 * @fit: pointer to the FIT format image header
1255 * @fdt: pointer to the device tree to compare against
1257 * fit_conf_find_compat() attempts to find the configuration whose fdt is the
1258 * most compatible with the passed in device tree.
1267 * |-o configurations
1275 * |-compatible = "foo,bar", "bim,bam"
1278 * |-compatible = "foo,bar",
1281 * |-compatible = "bim,bam", "baz,biz"
1283 * Configuration 1 would be picked because the first string in U-Boot's
1284 * compatible list, "foo,bar", matches a compatible string in the root of fdt1.
1285 * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1.
1288 * offset to the configuration to use if one was found
1291 int fit_conf_find_compat(const void *fit, const void *fdt)
1294 int noffset, confs_noffset, images_noffset;
1295 const void *fdt_compat;
1297 int best_match_offset = 0;
1298 int best_match_pos = 0;
1300 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1301 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1302 if (confs_noffset < 0 || images_noffset < 0) {
1303 debug("Can't find configurations or images nodes.\n");
1307 fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len);
1309 debug("Fdt for comparison has no \"compatible\" property.\n");
1314 * Loop over the configurations in the FIT image.
1316 for (noffset = fdt_next_node(fit, confs_noffset, &ndepth);
1317 (noffset >= 0) && (ndepth > 0);
1318 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1320 const char *kfdt_name;
1322 const char *cur_fdt_compat;
1330 kfdt_name = fdt_getprop(fit, noffset, "fdt", &len);
1332 debug("No fdt property found.\n");
1335 kfdt_noffset = fdt_subnode_offset(fit, images_noffset,
1337 if (kfdt_noffset < 0) {
1338 debug("No image node named \"%s\" found.\n",
1343 * Get a pointer to this configuration's fdt.
1345 if (fit_image_get_data(fit, kfdt_noffset, &kfdt, &size)) {
1346 debug("Failed to get fdt \"%s\".\n", kfdt_name);
1350 len = fdt_compat_len;
1351 cur_fdt_compat = fdt_compat;
1353 * Look for a match for each U-Boot compatibility string in
1354 * turn in this configuration's fdt.
1356 for (i = 0; len > 0 &&
1357 (!best_match_offset || best_match_pos > i); i++) {
1358 int cur_len = strlen(cur_fdt_compat) + 1;
1360 if (!fdt_node_check_compatible(kfdt, 0,
1362 best_match_offset = noffset;
1367 cur_fdt_compat += cur_len;
1370 if (!best_match_offset) {
1371 debug("No match found.\n");
1375 return best_match_offset;
1379 * fit_conf_get_node - get node offset for configuration of a given unit name
1380 * @fit: pointer to the FIT format image header
1381 * @conf_uname: configuration node unit name
1383 * fit_conf_get_node() finds a configuration (within the '/configurations'
1384 * parent node) of a provided unit name. If configuration is found its node
1385 * offset is returned to the caller.
1387 * When NULL is provided in second argument fit_conf_get_node() will search
1388 * for a default configuration node instead. Default configuration node unit
1389 * name is retrieved from FIT_DEFAULT_PROP property of the '/configurations'
1393 * configuration node offset when found (>=0)
1394 * negative number on failure (FDT_ERR_* code)
1396 int fit_conf_get_node(const void *fit, const char *conf_uname)
1398 int noffset, confs_noffset;
1401 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1402 if (confs_noffset < 0) {
1403 debug("Can't find configurations parent node '%s' (%s)\n",
1404 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
1405 return confs_noffset;
1408 if (conf_uname == NULL) {
1409 /* get configuration unit name from the default property */
1410 debug("No configuration specified, trying default...\n");
1411 conf_uname = (char *)fdt_getprop(fit, confs_noffset,
1412 FIT_DEFAULT_PROP, &len);
1413 if (conf_uname == NULL) {
1414 fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP,
1418 debug("Found default configuration: '%s'\n", conf_uname);
1421 noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname);
1423 debug("Can't get node offset for configuration unit name: '%s' (%s)\n",
1424 conf_uname, fdt_strerror(noffset));
1430 int fit_conf_get_prop_node(const void *fit, int noffset,
1431 const char *prop_name)
1436 /* get kernel image unit name from configuration kernel property */
1437 uname = (char *)fdt_getprop(fit, noffset, prop_name, &len);
1441 return fit_image_get_node(fit, uname);
1445 * fit_conf_print - prints out the FIT configuration details
1446 * @fit: pointer to the FIT format image header
1447 * @noffset: offset of the configuration node
1448 * @p: pointer to prefix string
1450 * fit_conf_print() lists all mandatory properties for the processed
1451 * configuration node.
1454 * no returned results
1456 void fit_conf_print(const void *fit, int noffset, const char *p)
1461 int loadables_index;
1463 /* Mandatory properties */
1464 ret = fit_get_desc(fit, noffset, &desc);
1465 printf("%s Description: ", p);
1467 printf("unavailable\n");
1469 printf("%s\n", desc);
1471 uname = (char *)fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL);
1472 printf("%s Kernel: ", p);
1474 printf("unavailable\n");
1476 printf("%s\n", uname);
1478 /* Optional properties */
1479 uname = (char *)fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL);
1481 printf("%s Init Ramdisk: %s\n", p, uname);
1483 uname = (char *)fdt_getprop(fit, noffset, FIT_FDT_PROP, NULL);
1485 printf("%s FDT: %s\n", p, uname);
1487 uname = (char *)fdt_getprop(fit, noffset, FIT_FPGA_PROP, NULL);
1489 printf("%s FPGA: %s\n", p, uname);
1491 /* Print out all of the specified loadables */
1492 for (loadables_index = 0;
1493 fdt_get_string_index(fit, noffset,
1496 (const char **)&uname) == 0;
1499 if (loadables_index == 0) {
1500 printf("%s Loadables: ", p);
1504 printf("%s\n", uname);
1508 static int fit_image_select(const void *fit, int rd_noffset, int verify)
1510 fit_image_print(fit, rd_noffset, " ");
1513 puts(" Verifying Hash Integrity ... ");
1514 if (!fit_image_verify(fit, rd_noffset)) {
1515 puts("Bad Data Hash\n");
1524 int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name,
1531 debug("* %s: using config '%s' from image at 0x%08lx\n",
1532 prop_name, images->fit_uname_cfg, addr);
1534 /* Check whether configuration has this property defined */
1535 fit_hdr = map_sysmem(addr, 0);
1536 cfg_noffset = fit_conf_get_node(fit_hdr, images->fit_uname_cfg);
1537 if (cfg_noffset < 0) {
1538 debug("* %s: no such config\n", prop_name);
1542 noffset = fit_conf_get_prop_node(fit_hdr, cfg_noffset, prop_name);
1544 debug("* %s: no '%s' in config\n", prop_name, prop_name);
1552 * fit_get_image_type_property() - get property name for IH_TYPE_...
1554 * @return the properly name where we expect to find the image in the
1557 static const char *fit_get_image_type_property(int type)
1560 * This is sort-of available in the uimage_type[] table in image.c
1561 * but we don't have access to the short name, and "fdt" is different
1562 * anyway. So let's just keep it here.
1565 case IH_TYPE_FLATDT:
1566 return FIT_FDT_PROP;
1567 case IH_TYPE_KERNEL:
1568 return FIT_KERNEL_PROP;
1569 case IH_TYPE_RAMDISK:
1570 return FIT_RAMDISK_PROP;
1571 case IH_TYPE_X86_SETUP:
1572 return FIT_SETUP_PROP;
1573 case IH_TYPE_LOADABLE:
1574 return FIT_LOADABLE_PROP;
1576 return FIT_FPGA_PROP;
1582 int fit_image_load(bootm_headers_t *images, ulong addr,
1583 const char **fit_unamep, const char **fit_uname_configp,
1584 int arch, int image_type, int bootstage_id,
1585 enum fit_load_op load_op, ulong *datap, ulong *lenp)
1587 int cfg_noffset, noffset;
1588 const char *fit_uname;
1589 const char *fit_uname_config;
1594 ulong load, data, len;
1596 const char *prop_name;
1599 fit = map_sysmem(addr, 0);
1600 fit_uname = fit_unamep ? *fit_unamep : NULL;
1601 fit_uname_config = fit_uname_configp ? *fit_uname_configp : NULL;
1602 prop_name = fit_get_image_type_property(image_type);
1603 printf("## Loading %s from FIT Image at %08lx ...\n", prop_name, addr);
1605 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT);
1606 if (!fit_check_format(fit)) {
1607 printf("Bad FIT %s image format!\n", prop_name);
1608 bootstage_error(bootstage_id + BOOTSTAGE_SUB_FORMAT);
1611 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT_OK);
1613 /* get FIT component image node offset */
1614 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_UNIT_NAME);
1615 noffset = fit_image_get_node(fit, fit_uname);
1618 * no image node unit name, try to get config
1619 * node first. If config unit node name is NULL
1620 * fit_conf_get_node() will try to find default config node
1622 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_NO_UNIT_NAME);
1623 if (IMAGE_ENABLE_BEST_MATCH && !fit_uname_config) {
1624 cfg_noffset = fit_conf_find_compat(fit, gd_fdt_blob());
1626 cfg_noffset = fit_conf_get_node(fit,
1629 if (cfg_noffset < 0) {
1630 puts("Could not find configuration node\n");
1631 bootstage_error(bootstage_id +
1632 BOOTSTAGE_SUB_NO_UNIT_NAME);
1635 fit_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
1636 printf(" Using '%s' configuration\n", fit_uname_config);
1637 if (image_type == IH_TYPE_KERNEL) {
1638 /* Remember (and possibly verify) this config */
1639 images->fit_uname_cfg = fit_uname_config;
1640 if (IMAGE_ENABLE_VERIFY && images->verify) {
1641 puts(" Verifying Hash Integrity ... ");
1642 if (fit_config_verify(fit, cfg_noffset)) {
1643 puts("Bad Data Hash\n");
1644 bootstage_error(bootstage_id +
1645 BOOTSTAGE_SUB_HASH);
1650 bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);
1653 noffset = fit_conf_get_prop_node(fit, cfg_noffset,
1655 fit_uname = fit_get_name(fit, noffset, NULL);
1658 puts("Could not find subimage node\n");
1659 bootstage_error(bootstage_id + BOOTSTAGE_SUB_SUBNODE);
1663 printf(" Trying '%s' %s subimage\n", fit_uname, prop_name);
1665 ret = fit_image_select(fit, noffset, images->verify);
1667 bootstage_error(bootstage_id + BOOTSTAGE_SUB_HASH);
1671 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
1672 #if !defined(USE_HOSTCC) && !defined(CONFIG_SANDBOX)
1673 if (!fit_image_check_target_arch(fit, noffset)) {
1674 puts("Unsupported Architecture\n");
1675 bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
1679 if (image_type == IH_TYPE_FLATDT &&
1680 !fit_image_check_comp(fit, noffset, IH_COMP_NONE)) {
1681 puts("FDT image is compressed");
1682 return -EPROTONOSUPPORT;
1685 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
1686 type_ok = fit_image_check_type(fit, noffset, image_type) ||
1687 fit_image_check_type(fit, noffset, IH_TYPE_FIRMWARE) ||
1688 (image_type == IH_TYPE_KERNEL &&
1689 fit_image_check_type(fit, noffset, IH_TYPE_KERNEL_NOLOAD));
1691 os_ok = image_type == IH_TYPE_FLATDT || IH_TYPE_FPGA ||
1692 fit_image_check_os(fit, noffset, IH_OS_LINUX) ||
1693 fit_image_check_os(fit, noffset, IH_OS_U_BOOT) ||
1694 fit_image_check_os(fit, noffset, IH_OS_OPENRTOS);
1697 * If either of the checks fail, we should report an error, but
1698 * if the image type is coming from the "loadables" field, we
1699 * don't care what it is
1701 if ((!type_ok || !os_ok) && image_type != IH_TYPE_LOADABLE) {
1702 fit_image_get_os(fit, noffset, &os);
1703 printf("No %s %s %s Image\n",
1704 genimg_get_os_name(os),
1705 genimg_get_arch_name(arch),
1706 genimg_get_type_name(image_type));
1707 bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
1711 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL_OK);
1713 /* get image data address and length */
1714 if (fit_image_get_data(fit, noffset, &buf, &size)) {
1715 printf("Could not find %s subimage data!\n", prop_name);
1716 bootstage_error(bootstage_id + BOOTSTAGE_SUB_GET_DATA);
1721 /* verify that image data is a proper FDT blob */
1722 if (image_type == IH_TYPE_FLATDT && fdt_check_header(buf)) {
1723 puts("Subimage data is not a FDT");
1727 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_GET_DATA_OK);
1730 * Work-around for eldk-4.2 which gives this warning if we try to
1731 * cast in the unmap_sysmem() call:
1732 * warning: initialization discards qualifiers from pointer target type
1735 void *vbuf = (void *)buf;
1737 data = map_to_sysmem(vbuf);
1740 if (load_op == FIT_LOAD_IGNORED) {
1742 } else if (fit_image_get_load(fit, noffset, &load)) {
1743 if (load_op == FIT_LOAD_REQUIRED) {
1744 printf("Can't get %s subimage load address!\n",
1746 bootstage_error(bootstage_id + BOOTSTAGE_SUB_LOAD);
1749 } else if (load_op != FIT_LOAD_OPTIONAL_NON_ZERO || load) {
1750 ulong image_start, image_end;
1755 * move image data to the load address,
1756 * make sure we don't overwrite initial image
1759 image_end = addr + fit_get_size(fit);
1761 load_end = load + len;
1762 if (image_type != IH_TYPE_KERNEL &&
1763 load < image_end && load_end > image_start) {
1764 printf("Error: %s overwritten\n", prop_name);
1768 printf(" Loading %s from 0x%08lx to 0x%08lx\n",
1769 prop_name, data, load);
1771 dst = map_sysmem(load, len);
1772 memmove(dst, buf, len);
1775 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_LOAD);
1780 *fit_unamep = (char *)fit_uname;
1781 if (fit_uname_configp)
1782 *fit_uname_configp = (char *)fit_uname_config;
1787 int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch,
1788 ulong *setup_start, ulong *setup_len)
1795 addr = map_to_sysmem(images->fit_hdr_os);
1796 noffset = fit_get_node_from_config(images, FIT_SETUP_PROP, addr);
1800 ret = fit_image_load(images, addr, NULL, NULL, arch,
1801 IH_TYPE_X86_SETUP, BOOTSTAGE_ID_FIT_SETUP_START,
1802 FIT_LOAD_REQUIRED, setup_start, &len);