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+
16 #include <linux/compiler.h>
17 #include <linux/kconfig.h>
23 DECLARE_GLOBAL_DATA_PTR;
24 #endif /* !USE_HOSTCC*/
27 #include <bootstage.h>
28 #include <u-boot/crc.h>
29 #include <u-boot/md5.h>
30 #include <u-boot/sha1.h>
31 #include <u-boot/sha256.h>
33 /*****************************************************************************/
34 /* New uImage format routines */
35 /*****************************************************************************/
37 static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr,
38 ulong *addr, const char **name)
45 sep = strchr(spec, sepc);
48 *addr = simple_strtoul(spec, NULL, 16);
58 * fit_parse_conf - parse FIT configuration spec
59 * @spec: input string, containing configuration spec
60 * @add_curr: current image address (to be used as a possible default)
61 * @addr: pointer to a ulong variable, will hold FIT image address of a given
63 * @conf_name double pointer to a char, will hold pointer to a configuration
66 * fit_parse_conf() expects configuration spec in the form of [<addr>]#<conf>,
67 * where <addr> is a FIT image address that contains configuration
68 * with a <conf> unit name.
70 * Address part is optional, and if omitted default add_curr will
74 * 1 if spec is a valid configuration string,
75 * addr and conf_name are set accordingly
78 int fit_parse_conf(const char *spec, ulong addr_curr,
79 ulong *addr, const char **conf_name)
81 return fit_parse_spec(spec, '#', addr_curr, addr, conf_name);
85 * fit_parse_subimage - parse FIT subimage spec
86 * @spec: input string, containing subimage spec
87 * @add_curr: current image address (to be used as a possible default)
88 * @addr: pointer to a ulong variable, will hold FIT image address of a given
90 * @image_name: double pointer to a char, will hold pointer to a subimage name
92 * fit_parse_subimage() expects subimage spec in the form of
93 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains
94 * subimage with a <subimg> unit name.
96 * Address part is optional, and if omitted default add_curr will
100 * 1 if spec is a valid subimage string,
101 * addr and image_name are set accordingly
104 int fit_parse_subimage(const char *spec, ulong addr_curr,
105 ulong *addr, const char **image_name)
107 return fit_parse_spec(spec, ':', addr_curr, addr, image_name);
109 #endif /* !USE_HOSTCC */
111 static void fit_get_debug(const void *fit, int noffset,
112 char *prop_name, int err)
114 debug("Can't get '%s' property from FIT 0x%08lx, node: offset %d, name %s (%s)\n",
115 prop_name, (ulong)fit, noffset, fit_get_name(fit, noffset, NULL),
120 * fit_get_subimage_count - get component (sub-image) count
121 * @fit: pointer to the FIT format image header
122 * @images_noffset: offset of images node
125 * number of image components
127 int fit_get_subimage_count(const void *fit, int images_noffset)
133 /* Process its subnodes, print out component images details */
134 for (ndepth = 0, count = 0,
135 noffset = fdt_next_node(fit, images_noffset, &ndepth);
136 (noffset >= 0) && (ndepth > 0);
137 noffset = fdt_next_node(fit, noffset, &ndepth)) {
146 #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT)
148 * fit_print_contents - prints out the contents of the FIT format image
149 * @fit: pointer to the FIT format image header
150 * @p: pointer to prefix string
152 * fit_print_contents() formats a multi line FIT image contents description.
153 * The routine prints out FIT image properties (root node level) followed by
154 * the details of each component image.
157 * no returned results
159 void fit_print_contents(const void *fit)
172 /* Indent string is defined in header image.h */
173 p = IMAGE_INDENT_STRING;
175 /* Root node properties */
176 ret = fit_get_desc(fit, 0, &desc);
177 printf("%sFIT description: ", p);
179 printf("unavailable\n");
181 printf("%s\n", desc);
183 if (IMAGE_ENABLE_TIMESTAMP) {
184 ret = fit_get_timestamp(fit, 0, ×tamp);
185 printf("%sCreated: ", p);
187 printf("unavailable\n");
189 genimg_print_time(timestamp);
192 /* Find images parent node offset */
193 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
194 if (images_noffset < 0) {
195 printf("Can't find images parent node '%s' (%s)\n",
196 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
200 /* Process its subnodes, print out component images details */
201 for (ndepth = 0, count = 0,
202 noffset = fdt_next_node(fit, images_noffset, &ndepth);
203 (noffset >= 0) && (ndepth > 0);
204 noffset = fdt_next_node(fit, noffset, &ndepth)) {
207 * Direct child node of the images parent node,
208 * i.e. component image node.
210 printf("%s Image %u (%s)\n", p, count++,
211 fit_get_name(fit, noffset, NULL));
213 fit_image_print(fit, noffset, p);
217 /* Find configurations parent node offset */
218 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
219 if (confs_noffset < 0) {
220 debug("Can't get configurations parent node '%s' (%s)\n",
221 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
225 /* get default configuration unit name from default property */
226 uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL);
228 printf("%s Default Configuration: '%s'\n", p, uname);
230 /* Process its subnodes, print out configurations details */
231 for (ndepth = 0, count = 0,
232 noffset = fdt_next_node(fit, confs_noffset, &ndepth);
233 (noffset >= 0) && (ndepth > 0);
234 noffset = fdt_next_node(fit, noffset, &ndepth)) {
237 * Direct child node of the configurations parent node,
238 * i.e. configuration node.
240 printf("%s Configuration %u (%s)\n", p, count++,
241 fit_get_name(fit, noffset, NULL));
243 fit_conf_print(fit, noffset, p);
249 * fit_image_print_data() - prints out the hash node details
250 * @fit: pointer to the FIT format image header
251 * @noffset: offset of the hash node
252 * @p: pointer to prefix string
253 * @type: Type of information to print ("hash" or "sign")
255 * fit_image_print_data() lists properties for the processed hash node
257 * This function avoid using puts() since it prints a newline on the host
258 * but does not in U-Boot.
261 * no returned results
263 static void fit_image_print_data(const void *fit, int noffset, const char *p,
273 debug("%s %s node: '%s'\n", p, type,
274 fit_get_name(fit, noffset, NULL));
275 printf("%s %s algo: ", p, type);
276 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
277 printf("invalid/unsupported\n");
281 keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL);
282 required = fdt_getprop(fit, noffset, "required", NULL) != NULL;
284 printf(":%s", keyname);
286 printf(" (required)");
289 ret = fit_image_hash_get_value(fit, noffset, &value,
291 printf("%s %s value: ", p, type);
293 printf("unavailable\n");
295 for (i = 0; i < value_len; i++)
296 printf("%02x", value[i]);
300 debug("%s %s len: %d\n", p, type, value_len);
302 /* Signatures have a time stamp */
303 if (IMAGE_ENABLE_TIMESTAMP && keyname) {
306 printf("%s Timestamp: ", p);
307 if (fit_get_timestamp(fit, noffset, ×tamp))
308 printf("unavailable\n");
310 genimg_print_time(timestamp);
315 * fit_image_print_verification_data() - prints out the hash/signature details
316 * @fit: pointer to the FIT format image header
317 * @noffset: offset of the hash or signature node
318 * @p: pointer to prefix string
320 * This lists properties for the processed hash node
323 * no returned results
325 static void fit_image_print_verification_data(const void *fit, int noffset,
331 * Check subnode name, must be equal to "hash" or "signature".
332 * Multiple hash/signature nodes require unique unit node
333 * names, e.g. hash@1, hash@2, signature@1, signature@2, etc.
335 name = fit_get_name(fit, noffset, NULL);
336 if (!strncmp(name, FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME))) {
337 fit_image_print_data(fit, noffset, p, "Hash");
338 } else if (!strncmp(name, FIT_SIG_NODENAME,
339 strlen(FIT_SIG_NODENAME))) {
340 fit_image_print_data(fit, noffset, p, "Sign");
345 * fit_image_print - prints out the FIT component image details
346 * @fit: pointer to the FIT format image header
347 * @image_noffset: offset of the component image node
348 * @p: pointer to prefix string
350 * fit_image_print() lists all mandatory properties for the processed component
351 * image. If present, hash nodes are printed out as well. Load
352 * address for images of type firmware is also printed out. Since the load
353 * address is not mandatory for firmware images, it will be output as
354 * "unavailable" when not present.
357 * no returned results
359 void fit_image_print(const void *fit, int image_noffset, const char *p)
362 uint8_t type, arch, os, comp;
370 /* Mandatory properties */
371 ret = fit_get_desc(fit, image_noffset, &desc);
372 printf("%s Description: ", p);
374 printf("unavailable\n");
376 printf("%s\n", desc);
378 if (IMAGE_ENABLE_TIMESTAMP) {
381 ret = fit_get_timestamp(fit, 0, ×tamp);
382 printf("%s Created: ", p);
384 printf("unavailable\n");
386 genimg_print_time(timestamp);
389 fit_image_get_type(fit, image_noffset, &type);
390 printf("%s Type: %s\n", p, genimg_get_type_name(type));
392 fit_image_get_comp(fit, image_noffset, &comp);
393 printf("%s Compression: %s\n", p, genimg_get_comp_name(comp));
395 ret = fit_image_get_data(fit, image_noffset, &data, &size);
398 printf("%s Data Start: ", p);
400 printf("unavailable\n");
402 void *vdata = (void *)data;
404 printf("0x%08lx\n", (ulong)map_to_sysmem(vdata));
408 printf("%s Data Size: ", p);
410 printf("unavailable\n");
412 genimg_print_size(size);
414 /* Remaining, type dependent properties */
415 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
416 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) ||
417 (type == IH_TYPE_FLATDT)) {
418 fit_image_get_arch(fit, image_noffset, &arch);
419 printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch));
422 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK)) {
423 fit_image_get_os(fit, image_noffset, &os);
424 printf("%s OS: %s\n", p, genimg_get_os_name(os));
427 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
428 (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK) ||
429 (type == IH_TYPE_FPGA)) {
430 ret = fit_image_get_load(fit, image_noffset, &load);
431 printf("%s Load Address: ", p);
433 printf("unavailable\n");
435 printf("0x%08lx\n", load);
438 /* optional load address for FDT */
439 if (type == IH_TYPE_FLATDT && !fit_image_get_load(fit, image_noffset, &load))
440 printf("%s Load Address: 0x%08lx\n", p, load);
442 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
443 (type == IH_TYPE_RAMDISK)) {
444 ret = fit_image_get_entry(fit, image_noffset, &entry);
445 printf("%s Entry Point: ", p);
447 printf("unavailable\n");
449 printf("0x%08lx\n", entry);
452 /* Process all hash subnodes of the component image node */
453 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
454 (noffset >= 0) && (ndepth > 0);
455 noffset = fdt_next_node(fit, noffset, &ndepth)) {
457 /* Direct child node of the component image node */
458 fit_image_print_verification_data(fit, noffset, p);
463 #endif /* !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT) */
466 * fit_get_desc - get node description property
467 * @fit: pointer to the FIT format image header
468 * @noffset: node offset
469 * @desc: double pointer to the char, will hold pointer to the description
471 * fit_get_desc() reads description property from a given node, if
472 * description is found pointer to it is returned in third call argument.
478 int fit_get_desc(const void *fit, int noffset, char **desc)
482 *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len);
484 fit_get_debug(fit, noffset, FIT_DESC_PROP, len);
492 * fit_get_timestamp - get node timestamp property
493 * @fit: pointer to the FIT format image header
494 * @noffset: node offset
495 * @timestamp: pointer to the time_t, will hold read timestamp
497 * fit_get_timestamp() reads timestamp property from given node, if timestamp
498 * is found and has a correct size its value is returned in third call
503 * -1, on property read failure
504 * -2, on wrong timestamp size
506 int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp)
511 data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len);
513 fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len);
516 if (len != sizeof(uint32_t)) {
517 debug("FIT timestamp with incorrect size of (%u)\n", len);
521 *timestamp = uimage_to_cpu(*((uint32_t *)data));
526 * fit_image_get_node - get node offset for component image of a given unit name
527 * @fit: pointer to the FIT format image header
528 * @image_uname: component image node unit name
530 * fit_image_get_node() finds a component image (within the '/images'
531 * node) of a provided unit name. If image is found its node offset is
532 * returned to the caller.
535 * image node offset when found (>=0)
536 * negative number on failure (FDT_ERR_* code)
538 int fit_image_get_node(const void *fit, const char *image_uname)
540 int noffset, images_noffset;
542 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
543 if (images_noffset < 0) {
544 debug("Can't find images parent node '%s' (%s)\n",
545 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
546 return images_noffset;
549 noffset = fdt_subnode_offset(fit, images_noffset, image_uname);
551 debug("Can't get node offset for image unit name: '%s' (%s)\n",
552 image_uname, fdt_strerror(noffset));
559 * fit_image_get_os - get os id for a given component image node
560 * @fit: pointer to the FIT format image header
561 * @noffset: component image node offset
562 * @os: pointer to the uint8_t, will hold os numeric id
564 * fit_image_get_os() finds os property in a given component image node.
565 * If the property is found, its (string) value is translated to the numeric
566 * id which is returned to the caller.
572 int fit_image_get_os(const void *fit, int noffset, uint8_t *os)
577 /* Get OS name from property data */
578 data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len);
580 fit_get_debug(fit, noffset, FIT_OS_PROP, len);
585 /* Translate OS name to id */
586 *os = genimg_get_os_id(data);
591 * fit_image_get_arch - get arch id for a given component image node
592 * @fit: pointer to the FIT format image header
593 * @noffset: component image node offset
594 * @arch: pointer to the uint8_t, will hold arch numeric id
596 * fit_image_get_arch() finds arch property in a given component image node.
597 * If the property is found, its (string) value is translated to the numeric
598 * id which is returned to the caller.
604 int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch)
609 /* Get architecture name from property data */
610 data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len);
612 fit_get_debug(fit, noffset, FIT_ARCH_PROP, len);
617 /* Translate architecture name to id */
618 *arch = genimg_get_arch_id(data);
623 * fit_image_get_type - get type id for a given component image node
624 * @fit: pointer to the FIT format image header
625 * @noffset: component image node offset
626 * @type: pointer to the uint8_t, will hold type numeric id
628 * fit_image_get_type() finds type property in a given component image node.
629 * If the property is found, its (string) value is translated to the numeric
630 * id which is returned to the caller.
636 int fit_image_get_type(const void *fit, int noffset, uint8_t *type)
641 /* Get image type name from property data */
642 data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len);
644 fit_get_debug(fit, noffset, FIT_TYPE_PROP, len);
649 /* Translate image type name to id */
650 *type = genimg_get_type_id(data);
655 * fit_image_get_comp - get comp id for a given component image node
656 * @fit: pointer to the FIT format image header
657 * @noffset: component image node offset
658 * @comp: pointer to the uint8_t, will hold comp numeric id
660 * fit_image_get_comp() finds comp property in a given component image node.
661 * If the property is found, its (string) value is translated to the numeric
662 * id which is returned to the caller.
668 int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp)
673 /* Get compression name from property data */
674 data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len);
676 fit_get_debug(fit, noffset, FIT_COMP_PROP, len);
681 /* Translate compression name to id */
682 *comp = genimg_get_comp_id(data);
686 static int fit_image_get_address(const void *fit, int noffset, char *name,
693 cell = fdt_getprop(fit, noffset, name, &len);
695 fit_get_debug(fit, noffset, name, len);
699 if (len > sizeof(ulong)) {
700 printf("Unsupported %s address size\n", name);
705 /* Use load64 to avoid compiling warning for 32-bit target */
707 load64 = (load64 << 32) | uimage_to_cpu(*cell);
710 *load = (ulong)load64;
715 * fit_image_get_load() - get load addr property for given component image node
716 * @fit: pointer to the FIT format image header
717 * @noffset: component image node offset
718 * @load: pointer to the uint32_t, will hold load address
720 * fit_image_get_load() finds load address property in a given component
721 * image node. If the property is found, its value is returned to the caller.
727 int fit_image_get_load(const void *fit, int noffset, ulong *load)
729 return fit_image_get_address(fit, noffset, FIT_LOAD_PROP, load);
733 * fit_image_get_entry() - get entry point address property
734 * @fit: pointer to the FIT format image header
735 * @noffset: component image node offset
736 * @entry: pointer to the uint32_t, will hold entry point address
738 * This gets the entry point address property for a given component image
741 * fit_image_get_entry() finds entry point address property in a given
742 * component image node. If the property is found, its value is returned
749 int fit_image_get_entry(const void *fit, int noffset, ulong *entry)
751 return fit_image_get_address(fit, noffset, FIT_ENTRY_PROP, entry);
755 * fit_image_get_data - get data property and its size for a given component image node
756 * @fit: pointer to the FIT format image header
757 * @noffset: component image node offset
758 * @data: double pointer to void, will hold data property's data address
759 * @size: pointer to size_t, will hold data property's data size
761 * fit_image_get_data() finds data property in a given component image node.
762 * If the property is found its data start address and size are returned to
769 int fit_image_get_data(const void *fit, int noffset,
770 const void **data, size_t *size)
774 *data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len);
776 fit_get_debug(fit, noffset, FIT_DATA_PROP, len);
786 * Get 'data-offset' property from a given image node.
788 * @fit: pointer to the FIT image header
789 * @noffset: component image node offset
790 * @data_offset: holds the data-offset property
794 * -ENOENT if the property could not be found
796 int fit_image_get_data_offset(const void *fit, int noffset, int *data_offset)
800 val = fdt_getprop(fit, noffset, FIT_DATA_OFFSET_PROP, NULL);
804 *data_offset = fdt32_to_cpu(*val);
810 * Get 'data-size' property from a given image node.
812 * @fit: pointer to the FIT image header
813 * @noffset: component image node offset
814 * @data_size: holds the data-size property
818 * -ENOENT if the property could not be found
820 int fit_image_get_data_size(const void *fit, int noffset, int *data_size)
824 val = fdt_getprop(fit, noffset, FIT_DATA_SIZE_PROP, NULL);
828 *data_size = fdt32_to_cpu(*val);
834 * fit_image_hash_get_algo - get hash algorithm name
835 * @fit: pointer to the FIT format image header
836 * @noffset: hash node offset
837 * @algo: double pointer to char, will hold pointer to the algorithm name
839 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node.
840 * If the property is found its data start address is returned to the caller.
846 int fit_image_hash_get_algo(const void *fit, int noffset, char **algo)
850 *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len);
852 fit_get_debug(fit, noffset, FIT_ALGO_PROP, len);
860 * fit_image_hash_get_value - get hash value and length
861 * @fit: pointer to the FIT format image header
862 * @noffset: hash node offset
863 * @value: double pointer to uint8_t, will hold address of a hash value data
864 * @value_len: pointer to an int, will hold hash data length
866 * fit_image_hash_get_value() finds hash value property in a given hash node.
867 * If the property is found its data start address and size are returned to
874 int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
879 *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len);
880 if (*value == NULL) {
881 fit_get_debug(fit, noffset, FIT_VALUE_PROP, len);
891 * fit_image_hash_get_ignore - get hash ignore flag
892 * @fit: pointer to the FIT format image header
893 * @noffset: hash node offset
894 * @ignore: pointer to an int, will hold hash ignore flag
896 * fit_image_hash_get_ignore() finds hash ignore property in a given hash node.
897 * If the property is found and non-zero, the hash algorithm is not verified by
898 * u-boot automatically.
901 * 0, on ignore not found
902 * value, on ignore found
904 static int fit_image_hash_get_ignore(const void *fit, int noffset, int *ignore)
909 value = (int *)fdt_getprop(fit, noffset, FIT_IGNORE_PROP, &len);
910 if (value == NULL || len != sizeof(int))
918 ulong fit_get_end(const void *fit)
920 return map_to_sysmem((void *)(fit + fdt_totalsize(fit)));
924 * fit_set_timestamp - set node timestamp property
925 * @fit: pointer to the FIT format image header
926 * @noffset: node offset
927 * @timestamp: timestamp value to be set
929 * fit_set_timestamp() attempts to set timestamp property in the requested
930 * node and returns operation status to the caller.
934 * -ENOSPC if no space in device tree, -1 for other error
936 int fit_set_timestamp(void *fit, int noffset, time_t timestamp)
941 t = cpu_to_uimage(timestamp);
942 ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t,
945 debug("Can't set '%s' property for '%s' node (%s)\n",
946 FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL),
948 return ret == -FDT_ERR_NOSPACE ? -ENOSPC : -1;
955 * calculate_hash - calculate and return hash for provided input data
956 * @data: pointer to the input data
957 * @data_len: data length
958 * @algo: requested hash algorithm
959 * @value: pointer to the char, will hold hash value data (caller must
960 * allocate enough free space)
961 * value_len: length of the calculated hash
963 * calculate_hash() computes input data hash according to the requested
965 * Resulting hash value is placed in caller provided 'value' buffer, length
966 * of the calculated hash is returned via value_len pointer argument.
970 * -1, when algo is unsupported
972 int calculate_hash(const void *data, int data_len, const char *algo,
973 uint8_t *value, int *value_len)
975 if (IMAGE_ENABLE_CRC32 && strcmp(algo, "crc32") == 0) {
976 *((uint32_t *)value) = crc32_wd(0, data, data_len,
978 *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value));
980 } else if (IMAGE_ENABLE_SHA1 && strcmp(algo, "sha1") == 0) {
981 sha1_csum_wd((unsigned char *)data, data_len,
982 (unsigned char *)value, CHUNKSZ_SHA1);
984 } else if (IMAGE_ENABLE_SHA256 && strcmp(algo, "sha256") == 0) {
985 sha256_csum_wd((unsigned char *)data, data_len,
986 (unsigned char *)value, CHUNKSZ_SHA256);
987 *value_len = SHA256_SUM_LEN;
988 } else if (IMAGE_ENABLE_MD5 && strcmp(algo, "md5") == 0) {
989 md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5);
992 debug("Unsupported hash alogrithm\n");
998 static int fit_image_check_hash(const void *fit, int noffset, const void *data,
999 size_t size, char **err_msgp)
1001 uint8_t value[FIT_MAX_HASH_LEN];
1010 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
1011 *err_msgp = "Can't get hash algo property";
1016 if (IMAGE_ENABLE_IGNORE) {
1017 fit_image_hash_get_ignore(fit, noffset, &ignore);
1019 printf("-skipped ");
1024 if (fit_image_hash_get_value(fit, noffset, &fit_value,
1026 *err_msgp = "Can't get hash value property";
1030 if (calculate_hash(data, size, algo, value, &value_len)) {
1031 *err_msgp = "Unsupported hash algorithm";
1035 if (value_len != fit_value_len) {
1036 *err_msgp = "Bad hash value len";
1038 } else if (memcmp(value, fit_value, value_len) != 0) {
1039 *err_msgp = "Bad hash value";
1047 * fit_image_verify - verify data integrity
1048 * @fit: pointer to the FIT format image header
1049 * @image_noffset: component image node offset
1051 * fit_image_verify() goes over component image hash nodes,
1052 * re-calculates each data hash and compares with the value stored in hash
1056 * 1, if all hashes are valid
1057 * 0, otherwise (or on error)
1059 int fit_image_verify(const void *fit, int image_noffset)
1068 /* Get image data and data length */
1069 if (fit_image_get_data(fit, image_noffset, &data, &size)) {
1070 err_msg = "Can't get image data/size";
1074 /* Verify all required signatures */
1075 if (IMAGE_ENABLE_VERIFY &&
1076 fit_image_verify_required_sigs(fit, image_noffset, data, size,
1077 gd_fdt_blob(), &verify_all)) {
1078 err_msg = "Unable to verify required signature";
1082 /* Process all hash subnodes of the component image node */
1083 fdt_for_each_subnode(noffset, fit, image_noffset) {
1084 const char *name = fit_get_name(fit, noffset, NULL);
1087 * Check subnode name, must be equal to "hash".
1088 * Multiple hash nodes require unique unit node
1089 * names, e.g. hash@1, hash@2, etc.
1091 if (!strncmp(name, FIT_HASH_NODENAME,
1092 strlen(FIT_HASH_NODENAME))) {
1093 if (fit_image_check_hash(fit, noffset, data, size,
1097 } else if (IMAGE_ENABLE_VERIFY && verify_all &&
1098 !strncmp(name, FIT_SIG_NODENAME,
1099 strlen(FIT_SIG_NODENAME))) {
1100 ret = fit_image_check_sig(fit, noffset, data,
1101 size, -1, &err_msg);
1104 * Show an indication on failure, but do not return
1105 * an error. Only keys marked 'required' can cause
1106 * an image validation failure. See the call to
1107 * fit_image_verify_required_sigs() above.
1116 if (noffset == -FDT_ERR_TRUNCATED || noffset == -FDT_ERR_BADSTRUCTURE) {
1117 err_msg = "Corrupted or truncated tree";
1124 printf(" error!\n%s for '%s' hash node in '%s' image node\n",
1125 err_msg, fit_get_name(fit, noffset, NULL),
1126 fit_get_name(fit, image_noffset, NULL));
1131 * fit_all_image_verify - verify data integrity for all images
1132 * @fit: pointer to the FIT format image header
1134 * fit_all_image_verify() goes over all images in the FIT and
1135 * for every images checks if all it's hashes are valid.
1138 * 1, if all hashes of all images are valid
1139 * 0, otherwise (or on error)
1141 int fit_all_image_verify(const void *fit)
1148 /* Find images parent node offset */
1149 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1150 if (images_noffset < 0) {
1151 printf("Can't find images parent node '%s' (%s)\n",
1152 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
1156 /* Process all image subnodes, check hashes for each */
1157 printf("## Checking hash(es) for FIT Image at %08lx ...\n",
1159 for (ndepth = 0, count = 0,
1160 noffset = fdt_next_node(fit, images_noffset, &ndepth);
1161 (noffset >= 0) && (ndepth > 0);
1162 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1165 * Direct child node of the images parent node,
1166 * i.e. component image node.
1168 printf(" Hash(es) for Image %u (%s): ", count,
1169 fit_get_name(fit, noffset, NULL));
1172 if (!fit_image_verify(fit, noffset))
1181 * fit_image_check_os - check whether image node is of a given os type
1182 * @fit: pointer to the FIT format image header
1183 * @noffset: component image node offset
1184 * @os: requested image os
1186 * fit_image_check_os() reads image os property and compares its numeric
1187 * id with the requested os. Comparison result is returned to the caller.
1190 * 1 if image is of given os type
1191 * 0 otherwise (or on error)
1193 int fit_image_check_os(const void *fit, int noffset, uint8_t os)
1197 if (fit_image_get_os(fit, noffset, &image_os))
1199 return (os == image_os);
1203 * fit_image_check_arch - check whether image node is of a given arch
1204 * @fit: pointer to the FIT format image header
1205 * @noffset: component image node offset
1206 * @arch: requested imagearch
1208 * fit_image_check_arch() reads image arch property and compares its numeric
1209 * id with the requested arch. Comparison result is returned to the caller.
1212 * 1 if image is of given arch
1213 * 0 otherwise (or on error)
1215 int fit_image_check_arch(const void *fit, int noffset, uint8_t arch)
1218 int aarch32_support = 0;
1220 #ifdef CONFIG_ARM64_SUPPORT_AARCH32
1221 aarch32_support = 1;
1224 if (fit_image_get_arch(fit, noffset, &image_arch))
1226 return (arch == image_arch) ||
1227 (arch == IH_ARCH_I386 && image_arch == IH_ARCH_X86_64) ||
1228 (arch == IH_ARCH_ARM64 && image_arch == IH_ARCH_ARM &&
1233 * fit_image_check_type - check whether image node is of a given type
1234 * @fit: pointer to the FIT format image header
1235 * @noffset: component image node offset
1236 * @type: requested image type
1238 * fit_image_check_type() reads image type property and compares its numeric
1239 * id with the requested type. Comparison result is returned to the caller.
1242 * 1 if image is of given type
1243 * 0 otherwise (or on error)
1245 int fit_image_check_type(const void *fit, int noffset, uint8_t type)
1249 if (fit_image_get_type(fit, noffset, &image_type))
1251 return (type == image_type);
1255 * fit_image_check_comp - check whether image node uses given compression
1256 * @fit: pointer to the FIT format image header
1257 * @noffset: component image node offset
1258 * @comp: requested image compression type
1260 * fit_image_check_comp() reads image compression property and compares its
1261 * numeric id with the requested compression type. Comparison result is
1262 * returned to the caller.
1265 * 1 if image uses requested compression
1266 * 0 otherwise (or on error)
1268 int fit_image_check_comp(const void *fit, int noffset, uint8_t comp)
1272 if (fit_image_get_comp(fit, noffset, &image_comp))
1274 return (comp == image_comp);
1278 * fit_check_format - sanity check FIT image format
1279 * @fit: pointer to the FIT format image header
1281 * fit_check_format() runs a basic sanity FIT image verification.
1282 * Routine checks for mandatory properties, nodes, etc.
1288 int fit_check_format(const void *fit)
1290 /* mandatory / node 'description' property */
1291 if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) {
1292 debug("Wrong FIT format: no description\n");
1296 if (IMAGE_ENABLE_TIMESTAMP) {
1297 /* mandatory / node 'timestamp' property */
1298 if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) {
1299 debug("Wrong FIT format: no timestamp\n");
1304 /* mandatory subimages parent '/images' node */
1305 if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) {
1306 debug("Wrong FIT format: no images parent node\n");
1315 * fit_conf_find_compat
1316 * @fit: pointer to the FIT format image header
1317 * @fdt: pointer to the device tree to compare against
1319 * fit_conf_find_compat() attempts to find the configuration whose fdt is the
1320 * most compatible with the passed in device tree.
1329 * |-o configurations
1337 * |-compatible = "foo,bar", "bim,bam"
1340 * |-compatible = "foo,bar",
1343 * |-compatible = "bim,bam", "baz,biz"
1345 * Configuration 1 would be picked because the first string in U-Boot's
1346 * compatible list, "foo,bar", matches a compatible string in the root of fdt1.
1347 * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1.
1350 * offset to the configuration to use if one was found
1353 int fit_conf_find_compat(const void *fit, const void *fdt)
1356 int noffset, confs_noffset, images_noffset;
1357 const void *fdt_compat;
1359 int best_match_offset = 0;
1360 int best_match_pos = 0;
1362 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1363 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1364 if (confs_noffset < 0 || images_noffset < 0) {
1365 debug("Can't find configurations or images nodes.\n");
1369 fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len);
1371 debug("Fdt for comparison has no \"compatible\" property.\n");
1376 * Loop over the configurations in the FIT image.
1378 for (noffset = fdt_next_node(fit, confs_noffset, &ndepth);
1379 (noffset >= 0) && (ndepth > 0);
1380 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1382 const char *kfdt_name;
1384 const char *cur_fdt_compat;
1392 kfdt_name = fdt_getprop(fit, noffset, "fdt", &len);
1394 debug("No fdt property found.\n");
1397 kfdt_noffset = fdt_subnode_offset(fit, images_noffset,
1399 if (kfdt_noffset < 0) {
1400 debug("No image node named \"%s\" found.\n",
1405 * Get a pointer to this configuration's fdt.
1407 if (fit_image_get_data(fit, kfdt_noffset, &kfdt, &size)) {
1408 debug("Failed to get fdt \"%s\".\n", kfdt_name);
1412 len = fdt_compat_len;
1413 cur_fdt_compat = fdt_compat;
1415 * Look for a match for each U-Boot compatibility string in
1416 * turn in this configuration's fdt.
1418 for (i = 0; len > 0 &&
1419 (!best_match_offset || best_match_pos > i); i++) {
1420 int cur_len = strlen(cur_fdt_compat) + 1;
1422 if (!fdt_node_check_compatible(kfdt, 0,
1424 best_match_offset = noffset;
1429 cur_fdt_compat += cur_len;
1432 if (!best_match_offset) {
1433 debug("No match found.\n");
1437 return best_match_offset;
1441 * fit_conf_get_node - get node offset for configuration of a given unit name
1442 * @fit: pointer to the FIT format image header
1443 * @conf_uname: configuration node unit name
1445 * fit_conf_get_node() finds a configuration (within the '/configurations'
1446 * parent node) of a provided unit name. If configuration is found its node
1447 * offset is returned to the caller.
1449 * When NULL is provided in second argument fit_conf_get_node() will search
1450 * for a default configuration node instead. Default configuration node unit
1451 * name is retrieved from FIT_DEFAULT_PROP property of the '/configurations'
1455 * configuration node offset when found (>=0)
1456 * negative number on failure (FDT_ERR_* code)
1458 int fit_conf_get_node(const void *fit, const char *conf_uname)
1460 int noffset, confs_noffset;
1463 char *conf_uname_copy = NULL;
1465 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1466 if (confs_noffset < 0) {
1467 debug("Can't find configurations parent node '%s' (%s)\n",
1468 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
1469 return confs_noffset;
1472 if (conf_uname == NULL) {
1473 /* get configuration unit name from the default property */
1474 debug("No configuration specified, trying default...\n");
1475 conf_uname = (char *)fdt_getprop(fit, confs_noffset,
1476 FIT_DEFAULT_PROP, &len);
1477 if (conf_uname == NULL) {
1478 fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP,
1482 debug("Found default configuration: '%s'\n", conf_uname);
1485 s = strchr(conf_uname, '#');
1487 len = s - conf_uname;
1488 conf_uname_copy = malloc(len + 1);
1489 if (!conf_uname_copy) {
1490 debug("Can't allocate uname copy: '%s'\n",
1494 memcpy(conf_uname_copy, conf_uname, len);
1495 conf_uname_copy[len] = '\0';
1496 conf_uname = conf_uname_copy;
1499 noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname);
1501 debug("Can't get node offset for configuration unit name: '%s' (%s)\n",
1502 conf_uname, fdt_strerror(noffset));
1505 if (conf_uname_copy)
1506 free(conf_uname_copy);
1511 int fit_conf_get_prop_node_count(const void *fit, int noffset,
1512 const char *prop_name)
1514 return fdt_stringlist_count(fit, noffset, prop_name);
1517 int fit_conf_get_prop_node_index(const void *fit, int noffset,
1518 const char *prop_name, int index)
1523 /* get kernel image unit name from configuration kernel property */
1524 uname = fdt_stringlist_get(fit, noffset, prop_name, index, &len);
1528 return fit_image_get_node(fit, uname);
1531 int fit_conf_get_prop_node(const void *fit, int noffset,
1532 const char *prop_name)
1534 return fit_conf_get_prop_node_index(fit, noffset, prop_name, 0);
1538 * fit_conf_print - prints out the FIT configuration details
1539 * @fit: pointer to the FIT format image header
1540 * @noffset: offset of the configuration node
1541 * @p: pointer to prefix string
1543 * fit_conf_print() lists all mandatory properties for the processed
1544 * configuration node.
1547 * no returned results
1549 void fit_conf_print(const void *fit, int noffset, const char *p)
1554 int fdt_index, loadables_index;
1556 /* Mandatory properties */
1557 ret = fit_get_desc(fit, noffset, &desc);
1558 printf("%s Description: ", p);
1560 printf("unavailable\n");
1562 printf("%s\n", desc);
1564 uname = fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL);
1565 printf("%s Kernel: ", p);
1567 printf("unavailable\n");
1569 printf("%s\n", uname);
1571 /* Optional properties */
1572 uname = fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL);
1574 printf("%s Init Ramdisk: %s\n", p, uname);
1577 uname = fdt_stringlist_get(fit, noffset, FIT_FDT_PROP,
1578 fdt_index, NULL), uname;
1582 printf("%s FDT: ", p);
1585 printf("%s\n", uname);
1588 uname = fdt_getprop(fit, noffset, FIT_FPGA_PROP, NULL);
1590 printf("%s FPGA: %s\n", p, uname);
1592 /* Print out all of the specified loadables */
1593 for (loadables_index = 0;
1594 uname = fdt_stringlist_get(fit, noffset, FIT_LOADABLE_PROP,
1595 loadables_index, NULL), uname;
1596 loadables_index++) {
1597 if (loadables_index == 0) {
1598 printf("%s Loadables: ", p);
1602 printf("%s\n", uname);
1606 static int fit_image_select(const void *fit, int rd_noffset, int verify)
1608 fit_image_print(fit, rd_noffset, " ");
1611 puts(" Verifying Hash Integrity ... ");
1612 if (!fit_image_verify(fit, rd_noffset)) {
1613 puts("Bad Data Hash\n");
1622 int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name,
1629 debug("* %s: using config '%s' from image at 0x%08lx\n",
1630 prop_name, images->fit_uname_cfg, addr);
1632 /* Check whether configuration has this property defined */
1633 fit_hdr = map_sysmem(addr, 0);
1634 cfg_noffset = fit_conf_get_node(fit_hdr, images->fit_uname_cfg);
1635 if (cfg_noffset < 0) {
1636 debug("* %s: no such config\n", prop_name);
1640 noffset = fit_conf_get_prop_node(fit_hdr, cfg_noffset, prop_name);
1642 debug("* %s: no '%s' in config\n", prop_name, prop_name);
1650 * fit_get_image_type_property() - get property name for IH_TYPE_...
1652 * @return the properly name where we expect to find the image in the
1655 static const char *fit_get_image_type_property(int type)
1658 * This is sort-of available in the uimage_type[] table in image.c
1659 * but we don't have access to the short name, and "fdt" is different
1660 * anyway. So let's just keep it here.
1663 case IH_TYPE_FLATDT:
1664 return FIT_FDT_PROP;
1665 case IH_TYPE_KERNEL:
1666 return FIT_KERNEL_PROP;
1667 case IH_TYPE_RAMDISK:
1668 return FIT_RAMDISK_PROP;
1669 case IH_TYPE_X86_SETUP:
1670 return FIT_SETUP_PROP;
1671 case IH_TYPE_LOADABLE:
1672 return FIT_LOADABLE_PROP;
1674 return FIT_FPGA_PROP;
1680 int fit_image_load(bootm_headers_t *images, ulong addr,
1681 const char **fit_unamep, const char **fit_uname_configp,
1682 int arch, int image_type, int bootstage_id,
1683 enum fit_load_op load_op, ulong *datap, ulong *lenp)
1685 int cfg_noffset, noffset;
1686 const char *fit_uname;
1687 const char *fit_uname_config;
1688 const char *fit_base_uname_config;
1693 ulong load, data, len;
1698 const char *prop_name;
1701 fit = map_sysmem(addr, 0);
1702 fit_uname = fit_unamep ? *fit_unamep : NULL;
1703 fit_uname_config = fit_uname_configp ? *fit_uname_configp : NULL;
1704 fit_base_uname_config = NULL;
1705 prop_name = fit_get_image_type_property(image_type);
1706 printf("## Loading %s from FIT Image at %08lx ...\n", prop_name, addr);
1708 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT);
1709 if (!fit_check_format(fit)) {
1710 printf("Bad FIT %s image format!\n", prop_name);
1711 bootstage_error(bootstage_id + BOOTSTAGE_SUB_FORMAT);
1714 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT_OK);
1716 /* get FIT component image node offset */
1717 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_UNIT_NAME);
1718 noffset = fit_image_get_node(fit, fit_uname);
1721 * no image node unit name, try to get config
1722 * node first. If config unit node name is NULL
1723 * fit_conf_get_node() will try to find default config node
1725 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_NO_UNIT_NAME);
1726 if (IMAGE_ENABLE_BEST_MATCH && !fit_uname_config) {
1727 cfg_noffset = fit_conf_find_compat(fit, gd_fdt_blob());
1729 cfg_noffset = fit_conf_get_node(fit,
1732 if (cfg_noffset < 0) {
1733 puts("Could not find configuration node\n");
1734 bootstage_error(bootstage_id +
1735 BOOTSTAGE_SUB_NO_UNIT_NAME);
1738 fit_base_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
1739 printf(" Using '%s' configuration\n", fit_base_uname_config);
1740 if (image_type == IH_TYPE_KERNEL) {
1741 /* Remember (and possibly verify) this config */
1742 images->fit_uname_cfg = fit_base_uname_config;
1743 if (IMAGE_ENABLE_VERIFY && images->verify) {
1744 puts(" Verifying Hash Integrity ... ");
1745 if (fit_config_verify(fit, cfg_noffset)) {
1746 puts("Bad Data Hash\n");
1747 bootstage_error(bootstage_id +
1748 BOOTSTAGE_SUB_HASH);
1753 bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);
1756 noffset = fit_conf_get_prop_node(fit, cfg_noffset,
1758 fit_uname = fit_get_name(fit, noffset, NULL);
1761 puts("Could not find subimage node\n");
1762 bootstage_error(bootstage_id + BOOTSTAGE_SUB_SUBNODE);
1766 printf(" Trying '%s' %s subimage\n", fit_uname, prop_name);
1768 ret = fit_image_select(fit, noffset, images->verify);
1770 bootstage_error(bootstage_id + BOOTSTAGE_SUB_HASH);
1774 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
1775 #if !defined(USE_HOSTCC) && !defined(CONFIG_SANDBOX)
1776 if (!fit_image_check_target_arch(fit, noffset)) {
1777 puts("Unsupported Architecture\n");
1778 bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
1784 fit_image_get_arch(fit, noffset, &os_arch);
1785 images->os.arch = os_arch;
1788 if (image_type == IH_TYPE_FLATDT &&
1789 !fit_image_check_comp(fit, noffset, IH_COMP_NONE)) {
1790 puts("FDT image is compressed");
1791 return -EPROTONOSUPPORT;
1794 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
1795 type_ok = fit_image_check_type(fit, noffset, image_type) ||
1796 fit_image_check_type(fit, noffset, IH_TYPE_FIRMWARE) ||
1797 (image_type == IH_TYPE_KERNEL &&
1798 fit_image_check_type(fit, noffset, IH_TYPE_KERNEL_NOLOAD));
1800 os_ok = image_type == IH_TYPE_FLATDT ||
1801 image_type == IH_TYPE_FPGA ||
1802 fit_image_check_os(fit, noffset, IH_OS_LINUX) ||
1803 fit_image_check_os(fit, noffset, IH_OS_U_BOOT) ||
1804 fit_image_check_os(fit, noffset, IH_OS_OPENRTOS);
1807 * If either of the checks fail, we should report an error, but
1808 * if the image type is coming from the "loadables" field, we
1809 * don't care what it is
1811 if ((!type_ok || !os_ok) && image_type != IH_TYPE_LOADABLE) {
1812 fit_image_get_os(fit, noffset, &os);
1813 printf("No %s %s %s Image\n",
1814 genimg_get_os_name(os),
1815 genimg_get_arch_name(arch),
1816 genimg_get_type_name(image_type));
1817 bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
1821 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL_OK);
1823 /* get image data address and length */
1824 if (fit_image_get_data(fit, noffset, &buf, &size)) {
1825 printf("Could not find %s subimage data!\n", prop_name);
1826 bootstage_error(bootstage_id + BOOTSTAGE_SUB_GET_DATA);
1830 #if !defined(USE_HOSTCC) && defined(CONFIG_FIT_IMAGE_POST_PROCESS)
1831 /* perform any post-processing on the image data */
1832 board_fit_image_post_process((void **)&buf, &size);
1837 /* verify that image data is a proper FDT blob */
1838 if (image_type == IH_TYPE_FLATDT && fdt_check_header(buf)) {
1839 puts("Subimage data is not a FDT");
1843 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_GET_DATA_OK);
1846 * Work-around for eldk-4.2 which gives this warning if we try to
1847 * cast in the unmap_sysmem() call:
1848 * warning: initialization discards qualifiers from pointer target type
1851 void *vbuf = (void *)buf;
1853 data = map_to_sysmem(vbuf);
1856 if (load_op == FIT_LOAD_IGNORED) {
1858 } else if (fit_image_get_load(fit, noffset, &load)) {
1859 if (load_op == FIT_LOAD_REQUIRED) {
1860 printf("Can't get %s subimage load address!\n",
1862 bootstage_error(bootstage_id + BOOTSTAGE_SUB_LOAD);
1865 } else if (load_op != FIT_LOAD_OPTIONAL_NON_ZERO || load) {
1866 ulong image_start, image_end;
1871 * move image data to the load address,
1872 * make sure we don't overwrite initial image
1875 image_end = addr + fit_get_size(fit);
1877 load_end = load + len;
1878 if (image_type != IH_TYPE_KERNEL &&
1879 load < image_end && load_end > image_start) {
1880 printf("Error: %s overwritten\n", prop_name);
1884 printf(" Loading %s from 0x%08lx to 0x%08lx\n",
1885 prop_name, data, load);
1887 dst = map_sysmem(load, len);
1888 memmove(dst, buf, len);
1891 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_LOAD);
1896 *fit_unamep = (char *)fit_uname;
1897 if (fit_uname_configp)
1898 *fit_uname_configp = (char *)(fit_uname_config ? :
1899 fit_base_uname_config);
1904 int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch,
1905 ulong *setup_start, ulong *setup_len)
1912 addr = map_to_sysmem(images->fit_hdr_os);
1913 noffset = fit_get_node_from_config(images, FIT_SETUP_PROP, addr);
1917 ret = fit_image_load(images, addr, NULL, NULL, arch,
1918 IH_TYPE_X86_SETUP, BOOTSTAGE_ID_FIT_SETUP_START,
1919 FIT_LOAD_REQUIRED, setup_start, &len);
1925 int boot_get_fdt_fit(bootm_headers_t *images, ulong addr,
1926 const char **fit_unamep, const char **fit_uname_configp,
1927 int arch, ulong *datap, ulong *lenp)
1929 int fdt_noffset, cfg_noffset, count;
1931 const char *fit_uname = NULL;
1932 const char *fit_uname_config = NULL;
1933 char *fit_uname_config_copy = NULL;
1934 char *next_config = NULL;
1936 #ifdef CONFIG_OF_LIBFDT_OVERLAY
1937 ulong image_start, image_end;
1938 ulong ovload, ovlen;
1939 const char *uconfig;
1942 int i, err, noffset, ov_noffset;
1945 fit_uname = fit_unamep ? *fit_unamep : NULL;
1947 if (fit_uname_configp && *fit_uname_configp) {
1948 fit_uname_config_copy = strdup(*fit_uname_configp);
1949 if (!fit_uname_config_copy)
1952 next_config = strchr(fit_uname_config_copy, '#');
1954 *next_config++ = '\0';
1955 if (next_config - 1 > fit_uname_config_copy)
1956 fit_uname_config = fit_uname_config_copy;
1959 fdt_noffset = fit_image_load(images,
1960 addr, &fit_uname, &fit_uname_config,
1961 arch, IH_TYPE_FLATDT,
1962 BOOTSTAGE_ID_FIT_FDT_START,
1963 FIT_LOAD_OPTIONAL, &load, &len);
1965 if (fdt_noffset < 0)
1968 debug("fit_uname=%s, fit_uname_config=%s\n",
1969 fit_uname ? fit_uname : "<NULL>",
1970 fit_uname_config ? fit_uname_config : "<NULL>");
1972 fit = map_sysmem(addr, 0);
1974 cfg_noffset = fit_conf_get_node(fit, fit_uname_config);
1976 /* single blob, or error just return as well */
1977 count = fit_conf_get_prop_node_count(fit, cfg_noffset, FIT_FDT_PROP);
1978 if (count <= 1 && !next_config)
1981 /* we need to apply overlays */
1983 #ifdef CONFIG_OF_LIBFDT_OVERLAY
1985 image_end = addr + fit_get_size(fit);
1986 /* verify that relocation took place by load address not being in fit */
1987 if (load >= image_start && load < image_end) {
1988 /* check is simplified; fit load checks for overlaps */
1989 printf("Overlayed FDT requires relocation\n");
1990 fdt_noffset = -EBADF;
1994 base = map_sysmem(load, len);
1996 /* apply extra configs in FIT first, followed by args */
1997 for (i = 1; ; i++) {
1999 noffset = fit_conf_get_prop_node_index(fit, cfg_noffset,
2001 uname = fit_get_name(fit, noffset, NULL);
2006 uconfig = next_config;
2007 next_config = strchr(next_config, '#');
2009 *next_config++ = '\0';
2013 debug("%d: using uname=%s uconfig=%s\n", i, uname, uconfig);
2015 ov_noffset = fit_image_load(images,
2016 addr, &uname, &uconfig,
2017 arch, IH_TYPE_FLATDT,
2018 BOOTSTAGE_ID_FIT_FDT_START,
2019 FIT_LOAD_REQUIRED, &ovload, &ovlen);
2020 if (ov_noffset < 0) {
2021 printf("load of %s failed\n", uname);
2024 debug("%s loaded at 0x%08lx len=0x%08lx\n",
2025 uname, ovload, ovlen);
2026 ov = map_sysmem(ovload, ovlen);
2028 base = map_sysmem(load, len + ovlen);
2029 err = fdt_open_into(base, base, len + ovlen);
2031 printf("failed on fdt_open_into\n");
2035 /* the verbose method prints out messages on error */
2036 err = fdt_overlay_apply_verbose(base, ov);
2042 len = fdt_totalsize(base);
2045 printf("config with overlays but CONFIG_OF_LIBFDT_OVERLAY not set\n");
2046 fdt_noffset = -EBADF;
2055 *fit_unamep = fit_uname;
2056 if (fit_uname_configp)
2057 *fit_uname_configp = fit_uname_config;
2059 if (fit_uname_config_copy)
2060 free(fit_uname_config_copy);