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-position' property from a given image node.
812 * @fit: pointer to the FIT image header
813 * @noffset: component image node offset
814 * @data_position: holds the data-position property
818 * -ENOENT if the property could not be found
820 int fit_image_get_data_position(const void *fit, int noffset,
825 val = fdt_getprop(fit, noffset, FIT_DATA_POSITION_PROP, NULL);
829 *data_position = fdt32_to_cpu(*val);
835 * Get 'data-size' property from a given image node.
837 * @fit: pointer to the FIT image header
838 * @noffset: component image node offset
839 * @data_size: holds the data-size property
843 * -ENOENT if the property could not be found
845 int fit_image_get_data_size(const void *fit, int noffset, int *data_size)
849 val = fdt_getprop(fit, noffset, FIT_DATA_SIZE_PROP, NULL);
853 *data_size = fdt32_to_cpu(*val);
859 * fit_image_hash_get_algo - get hash algorithm name
860 * @fit: pointer to the FIT format image header
861 * @noffset: hash node offset
862 * @algo: double pointer to char, will hold pointer to the algorithm name
864 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node.
865 * If the property is found its data start address is returned to the caller.
871 int fit_image_hash_get_algo(const void *fit, int noffset, char **algo)
875 *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len);
877 fit_get_debug(fit, noffset, FIT_ALGO_PROP, len);
885 * fit_image_hash_get_value - get hash value and length
886 * @fit: pointer to the FIT format image header
887 * @noffset: hash node offset
888 * @value: double pointer to uint8_t, will hold address of a hash value data
889 * @value_len: pointer to an int, will hold hash data length
891 * fit_image_hash_get_value() finds hash value property in a given hash node.
892 * If the property is found its data start address and size are returned to
899 int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
904 *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len);
905 if (*value == NULL) {
906 fit_get_debug(fit, noffset, FIT_VALUE_PROP, len);
916 * fit_image_hash_get_ignore - get hash ignore flag
917 * @fit: pointer to the FIT format image header
918 * @noffset: hash node offset
919 * @ignore: pointer to an int, will hold hash ignore flag
921 * fit_image_hash_get_ignore() finds hash ignore property in a given hash node.
922 * If the property is found and non-zero, the hash algorithm is not verified by
923 * u-boot automatically.
926 * 0, on ignore not found
927 * value, on ignore found
929 static int fit_image_hash_get_ignore(const void *fit, int noffset, int *ignore)
934 value = (int *)fdt_getprop(fit, noffset, FIT_IGNORE_PROP, &len);
935 if (value == NULL || len != sizeof(int))
943 ulong fit_get_end(const void *fit)
945 return map_to_sysmem((void *)(fit + fdt_totalsize(fit)));
949 * fit_set_timestamp - set node timestamp property
950 * @fit: pointer to the FIT format image header
951 * @noffset: node offset
952 * @timestamp: timestamp value to be set
954 * fit_set_timestamp() attempts to set timestamp property in the requested
955 * node and returns operation status to the caller.
959 * -ENOSPC if no space in device tree, -1 for other error
961 int fit_set_timestamp(void *fit, int noffset, time_t timestamp)
966 t = cpu_to_uimage(timestamp);
967 ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t,
970 debug("Can't set '%s' property for '%s' node (%s)\n",
971 FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL),
973 return ret == -FDT_ERR_NOSPACE ? -ENOSPC : -1;
980 * calculate_hash - calculate and return hash for provided input data
981 * @data: pointer to the input data
982 * @data_len: data length
983 * @algo: requested hash algorithm
984 * @value: pointer to the char, will hold hash value data (caller must
985 * allocate enough free space)
986 * value_len: length of the calculated hash
988 * calculate_hash() computes input data hash according to the requested
990 * Resulting hash value is placed in caller provided 'value' buffer, length
991 * of the calculated hash is returned via value_len pointer argument.
995 * -1, when algo is unsupported
997 int calculate_hash(const void *data, int data_len, const char *algo,
998 uint8_t *value, int *value_len)
1000 if (IMAGE_ENABLE_CRC32 && strcmp(algo, "crc32") == 0) {
1001 *((uint32_t *)value) = crc32_wd(0, data, data_len,
1003 *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value));
1005 } else if (IMAGE_ENABLE_SHA1 && strcmp(algo, "sha1") == 0) {
1006 sha1_csum_wd((unsigned char *)data, data_len,
1007 (unsigned char *)value, CHUNKSZ_SHA1);
1009 } else if (IMAGE_ENABLE_SHA256 && strcmp(algo, "sha256") == 0) {
1010 sha256_csum_wd((unsigned char *)data, data_len,
1011 (unsigned char *)value, CHUNKSZ_SHA256);
1012 *value_len = SHA256_SUM_LEN;
1013 } else if (IMAGE_ENABLE_MD5 && strcmp(algo, "md5") == 0) {
1014 md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5);
1017 debug("Unsupported hash alogrithm\n");
1023 static int fit_image_check_hash(const void *fit, int noffset, const void *data,
1024 size_t size, char **err_msgp)
1026 uint8_t value[FIT_MAX_HASH_LEN];
1035 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
1036 *err_msgp = "Can't get hash algo property";
1041 if (IMAGE_ENABLE_IGNORE) {
1042 fit_image_hash_get_ignore(fit, noffset, &ignore);
1044 printf("-skipped ");
1049 if (fit_image_hash_get_value(fit, noffset, &fit_value,
1051 *err_msgp = "Can't get hash value property";
1055 if (calculate_hash(data, size, algo, value, &value_len)) {
1056 *err_msgp = "Unsupported hash algorithm";
1060 if (value_len != fit_value_len) {
1061 *err_msgp = "Bad hash value len";
1063 } else if (memcmp(value, fit_value, value_len) != 0) {
1064 *err_msgp = "Bad hash value";
1072 * fit_image_verify - verify data integrity
1073 * @fit: pointer to the FIT format image header
1074 * @image_noffset: component image node offset
1076 * fit_image_verify() goes over component image hash nodes,
1077 * re-calculates each data hash and compares with the value stored in hash
1081 * 1, if all hashes are valid
1082 * 0, otherwise (or on error)
1084 int fit_image_verify(const void *fit, int image_noffset)
1093 /* Get image data and data length */
1094 if (fit_image_get_data(fit, image_noffset, &data, &size)) {
1095 err_msg = "Can't get image data/size";
1099 /* Verify all required signatures */
1100 if (IMAGE_ENABLE_VERIFY &&
1101 fit_image_verify_required_sigs(fit, image_noffset, data, size,
1102 gd_fdt_blob(), &verify_all)) {
1103 err_msg = "Unable to verify required signature";
1107 /* Process all hash subnodes of the component image node */
1108 fdt_for_each_subnode(noffset, fit, image_noffset) {
1109 const char *name = fit_get_name(fit, noffset, NULL);
1112 * Check subnode name, must be equal to "hash".
1113 * Multiple hash nodes require unique unit node
1114 * names, e.g. hash-1, hash-2, etc.
1116 if (!strncmp(name, FIT_HASH_NODENAME,
1117 strlen(FIT_HASH_NODENAME))) {
1118 if (fit_image_check_hash(fit, noffset, data, size,
1122 } else if (IMAGE_ENABLE_VERIFY && verify_all &&
1123 !strncmp(name, FIT_SIG_NODENAME,
1124 strlen(FIT_SIG_NODENAME))) {
1125 ret = fit_image_check_sig(fit, noffset, data,
1126 size, -1, &err_msg);
1129 * Show an indication on failure, but do not return
1130 * an error. Only keys marked 'required' can cause
1131 * an image validation failure. See the call to
1132 * fit_image_verify_required_sigs() above.
1141 if (noffset == -FDT_ERR_TRUNCATED || noffset == -FDT_ERR_BADSTRUCTURE) {
1142 err_msg = "Corrupted or truncated tree";
1149 printf(" error!\n%s for '%s' hash node in '%s' image node\n",
1150 err_msg, fit_get_name(fit, noffset, NULL),
1151 fit_get_name(fit, image_noffset, NULL));
1156 * fit_all_image_verify - verify data integrity for all images
1157 * @fit: pointer to the FIT format image header
1159 * fit_all_image_verify() goes over all images in the FIT and
1160 * for every images checks if all it's hashes are valid.
1163 * 1, if all hashes of all images are valid
1164 * 0, otherwise (or on error)
1166 int fit_all_image_verify(const void *fit)
1173 /* Find images parent node offset */
1174 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1175 if (images_noffset < 0) {
1176 printf("Can't find images parent node '%s' (%s)\n",
1177 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
1181 /* Process all image subnodes, check hashes for each */
1182 printf("## Checking hash(es) for FIT Image at %08lx ...\n",
1184 for (ndepth = 0, count = 0,
1185 noffset = fdt_next_node(fit, images_noffset, &ndepth);
1186 (noffset >= 0) && (ndepth > 0);
1187 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1190 * Direct child node of the images parent node,
1191 * i.e. component image node.
1193 printf(" Hash(es) for Image %u (%s): ", count,
1194 fit_get_name(fit, noffset, NULL));
1197 if (!fit_image_verify(fit, noffset))
1206 * fit_image_check_os - check whether image node is of a given os type
1207 * @fit: pointer to the FIT format image header
1208 * @noffset: component image node offset
1209 * @os: requested image os
1211 * fit_image_check_os() reads image os property and compares its numeric
1212 * id with the requested os. Comparison result is returned to the caller.
1215 * 1 if image is of given os type
1216 * 0 otherwise (or on error)
1218 int fit_image_check_os(const void *fit, int noffset, uint8_t os)
1222 if (fit_image_get_os(fit, noffset, &image_os))
1224 return (os == image_os);
1228 * fit_image_check_arch - check whether image node is of a given arch
1229 * @fit: pointer to the FIT format image header
1230 * @noffset: component image node offset
1231 * @arch: requested imagearch
1233 * fit_image_check_arch() reads image arch property and compares its numeric
1234 * id with the requested arch. Comparison result is returned to the caller.
1237 * 1 if image is of given arch
1238 * 0 otherwise (or on error)
1240 int fit_image_check_arch(const void *fit, int noffset, uint8_t arch)
1243 int aarch32_support = 0;
1245 #ifdef CONFIG_ARM64_SUPPORT_AARCH32
1246 aarch32_support = 1;
1249 if (fit_image_get_arch(fit, noffset, &image_arch))
1251 return (arch == image_arch) ||
1252 (arch == IH_ARCH_I386 && image_arch == IH_ARCH_X86_64) ||
1253 (arch == IH_ARCH_ARM64 && image_arch == IH_ARCH_ARM &&
1258 * fit_image_check_type - check whether image node is of a given type
1259 * @fit: pointer to the FIT format image header
1260 * @noffset: component image node offset
1261 * @type: requested image type
1263 * fit_image_check_type() reads image type property and compares its numeric
1264 * id with the requested type. Comparison result is returned to the caller.
1267 * 1 if image is of given type
1268 * 0 otherwise (or on error)
1270 int fit_image_check_type(const void *fit, int noffset, uint8_t type)
1274 if (fit_image_get_type(fit, noffset, &image_type))
1276 return (type == image_type);
1280 * fit_image_check_comp - check whether image node uses given compression
1281 * @fit: pointer to the FIT format image header
1282 * @noffset: component image node offset
1283 * @comp: requested image compression type
1285 * fit_image_check_comp() reads image compression property and compares its
1286 * numeric id with the requested compression type. Comparison result is
1287 * returned to the caller.
1290 * 1 if image uses requested compression
1291 * 0 otherwise (or on error)
1293 int fit_image_check_comp(const void *fit, int noffset, uint8_t comp)
1297 if (fit_image_get_comp(fit, noffset, &image_comp))
1299 return (comp == image_comp);
1303 * fit_check_format - sanity check FIT image format
1304 * @fit: pointer to the FIT format image header
1306 * fit_check_format() runs a basic sanity FIT image verification.
1307 * Routine checks for mandatory properties, nodes, etc.
1313 int fit_check_format(const void *fit)
1315 /* mandatory / node 'description' property */
1316 if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) {
1317 debug("Wrong FIT format: no description\n");
1321 if (IMAGE_ENABLE_TIMESTAMP) {
1322 /* mandatory / node 'timestamp' property */
1323 if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) {
1324 debug("Wrong FIT format: no timestamp\n");
1329 /* mandatory subimages parent '/images' node */
1330 if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) {
1331 debug("Wrong FIT format: no images parent node\n");
1340 * fit_conf_find_compat
1341 * @fit: pointer to the FIT format image header
1342 * @fdt: pointer to the device tree to compare against
1344 * fit_conf_find_compat() attempts to find the configuration whose fdt is the
1345 * most compatible with the passed in device tree.
1354 * |-o configurations
1362 * |-compatible = "foo,bar", "bim,bam"
1365 * |-compatible = "foo,bar",
1368 * |-compatible = "bim,bam", "baz,biz"
1370 * Configuration 1 would be picked because the first string in U-Boot's
1371 * compatible list, "foo,bar", matches a compatible string in the root of fdt1.
1372 * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1.
1375 * offset to the configuration to use if one was found
1378 int fit_conf_find_compat(const void *fit, const void *fdt)
1381 int noffset, confs_noffset, images_noffset;
1382 const void *fdt_compat;
1384 int best_match_offset = 0;
1385 int best_match_pos = 0;
1387 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1388 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1389 if (confs_noffset < 0 || images_noffset < 0) {
1390 debug("Can't find configurations or images nodes.\n");
1394 fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len);
1396 debug("Fdt for comparison has no \"compatible\" property.\n");
1401 * Loop over the configurations in the FIT image.
1403 for (noffset = fdt_next_node(fit, confs_noffset, &ndepth);
1404 (noffset >= 0) && (ndepth > 0);
1405 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1407 const char *kfdt_name;
1409 const char *cur_fdt_compat;
1417 kfdt_name = fdt_getprop(fit, noffset, "fdt", &len);
1419 debug("No fdt property found.\n");
1422 kfdt_noffset = fdt_subnode_offset(fit, images_noffset,
1424 if (kfdt_noffset < 0) {
1425 debug("No image node named \"%s\" found.\n",
1430 * Get a pointer to this configuration's fdt.
1432 if (fit_image_get_data(fit, kfdt_noffset, &kfdt, &size)) {
1433 debug("Failed to get fdt \"%s\".\n", kfdt_name);
1437 len = fdt_compat_len;
1438 cur_fdt_compat = fdt_compat;
1440 * Look for a match for each U-Boot compatibility string in
1441 * turn in this configuration's fdt.
1443 for (i = 0; len > 0 &&
1444 (!best_match_offset || best_match_pos > i); i++) {
1445 int cur_len = strlen(cur_fdt_compat) + 1;
1447 if (!fdt_node_check_compatible(kfdt, 0,
1449 best_match_offset = noffset;
1454 cur_fdt_compat += cur_len;
1457 if (!best_match_offset) {
1458 debug("No match found.\n");
1462 return best_match_offset;
1466 * fit_conf_get_node - get node offset for configuration of a given unit name
1467 * @fit: pointer to the FIT format image header
1468 * @conf_uname: configuration node unit name
1470 * fit_conf_get_node() finds a configuration (within the '/configurations'
1471 * parent node) of a provided unit name. If configuration is found its node
1472 * offset is returned to the caller.
1474 * When NULL is provided in second argument fit_conf_get_node() will search
1475 * for a default configuration node instead. Default configuration node unit
1476 * name is retrieved from FIT_DEFAULT_PROP property of the '/configurations'
1480 * configuration node offset when found (>=0)
1481 * negative number on failure (FDT_ERR_* code)
1483 int fit_conf_get_node(const void *fit, const char *conf_uname)
1485 int noffset, confs_noffset;
1488 char *conf_uname_copy = NULL;
1490 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1491 if (confs_noffset < 0) {
1492 debug("Can't find configurations parent node '%s' (%s)\n",
1493 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
1494 return confs_noffset;
1497 if (conf_uname == NULL) {
1498 /* get configuration unit name from the default property */
1499 debug("No configuration specified, trying default...\n");
1500 conf_uname = (char *)fdt_getprop(fit, confs_noffset,
1501 FIT_DEFAULT_PROP, &len);
1502 if (conf_uname == NULL) {
1503 fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP,
1507 debug("Found default configuration: '%s'\n", conf_uname);
1510 s = strchr(conf_uname, '#');
1512 len = s - conf_uname;
1513 conf_uname_copy = malloc(len + 1);
1514 if (!conf_uname_copy) {
1515 debug("Can't allocate uname copy: '%s'\n",
1519 memcpy(conf_uname_copy, conf_uname, len);
1520 conf_uname_copy[len] = '\0';
1521 conf_uname = conf_uname_copy;
1524 noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname);
1526 debug("Can't get node offset for configuration unit name: '%s' (%s)\n",
1527 conf_uname, fdt_strerror(noffset));
1530 if (conf_uname_copy)
1531 free(conf_uname_copy);
1536 int fit_conf_get_prop_node_count(const void *fit, int noffset,
1537 const char *prop_name)
1539 return fdt_stringlist_count(fit, noffset, prop_name);
1542 int fit_conf_get_prop_node_index(const void *fit, int noffset,
1543 const char *prop_name, int index)
1548 /* get kernel image unit name from configuration kernel property */
1549 uname = fdt_stringlist_get(fit, noffset, prop_name, index, &len);
1553 return fit_image_get_node(fit, uname);
1556 int fit_conf_get_prop_node(const void *fit, int noffset,
1557 const char *prop_name)
1559 return fit_conf_get_prop_node_index(fit, noffset, prop_name, 0);
1563 * fit_conf_print - prints out the FIT configuration details
1564 * @fit: pointer to the FIT format image header
1565 * @noffset: offset of the configuration node
1566 * @p: pointer to prefix string
1568 * fit_conf_print() lists all mandatory properties for the processed
1569 * configuration node.
1572 * no returned results
1574 void fit_conf_print(const void *fit, int noffset, const char *p)
1579 int fdt_index, loadables_index;
1581 /* Mandatory properties */
1582 ret = fit_get_desc(fit, noffset, &desc);
1583 printf("%s Description: ", p);
1585 printf("unavailable\n");
1587 printf("%s\n", desc);
1589 uname = fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL);
1590 printf("%s Kernel: ", p);
1592 printf("unavailable\n");
1594 printf("%s\n", uname);
1596 /* Optional properties */
1597 uname = fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL);
1599 printf("%s Init Ramdisk: %s\n", p, uname);
1602 uname = fdt_stringlist_get(fit, noffset, FIT_FDT_PROP,
1603 fdt_index, NULL), uname;
1607 printf("%s FDT: ", p);
1610 printf("%s\n", uname);
1613 uname = fdt_getprop(fit, noffset, FIT_FPGA_PROP, NULL);
1615 printf("%s FPGA: %s\n", p, uname);
1617 /* Print out all of the specified loadables */
1618 for (loadables_index = 0;
1619 uname = fdt_stringlist_get(fit, noffset, FIT_LOADABLE_PROP,
1620 loadables_index, NULL), uname;
1621 loadables_index++) {
1622 if (loadables_index == 0) {
1623 printf("%s Loadables: ", p);
1627 printf("%s\n", uname);
1631 static int fit_image_select(const void *fit, int rd_noffset, int verify)
1633 fit_image_print(fit, rd_noffset, " ");
1636 puts(" Verifying Hash Integrity ... ");
1637 if (!fit_image_verify(fit, rd_noffset)) {
1638 puts("Bad Data Hash\n");
1647 int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name,
1654 debug("* %s: using config '%s' from image at 0x%08lx\n",
1655 prop_name, images->fit_uname_cfg, addr);
1657 /* Check whether configuration has this property defined */
1658 fit_hdr = map_sysmem(addr, 0);
1659 cfg_noffset = fit_conf_get_node(fit_hdr, images->fit_uname_cfg);
1660 if (cfg_noffset < 0) {
1661 debug("* %s: no such config\n", prop_name);
1665 noffset = fit_conf_get_prop_node(fit_hdr, cfg_noffset, prop_name);
1667 debug("* %s: no '%s' in config\n", prop_name, prop_name);
1675 * fit_get_image_type_property() - get property name for IH_TYPE_...
1677 * @return the properly name where we expect to find the image in the
1680 static const char *fit_get_image_type_property(int type)
1683 * This is sort-of available in the uimage_type[] table in image.c
1684 * but we don't have access to the short name, and "fdt" is different
1685 * anyway. So let's just keep it here.
1688 case IH_TYPE_FLATDT:
1689 return FIT_FDT_PROP;
1690 case IH_TYPE_KERNEL:
1691 return FIT_KERNEL_PROP;
1692 case IH_TYPE_RAMDISK:
1693 return FIT_RAMDISK_PROP;
1694 case IH_TYPE_X86_SETUP:
1695 return FIT_SETUP_PROP;
1696 case IH_TYPE_LOADABLE:
1697 return FIT_LOADABLE_PROP;
1699 return FIT_FPGA_PROP;
1705 int fit_image_load(bootm_headers_t *images, ulong addr,
1706 const char **fit_unamep, const char **fit_uname_configp,
1707 int arch, int image_type, int bootstage_id,
1708 enum fit_load_op load_op, ulong *datap, ulong *lenp)
1710 int cfg_noffset, noffset;
1711 const char *fit_uname;
1712 const char *fit_uname_config;
1713 const char *fit_base_uname_config;
1718 ulong load, data, len;
1723 const char *prop_name;
1726 fit = map_sysmem(addr, 0);
1727 fit_uname = fit_unamep ? *fit_unamep : NULL;
1728 fit_uname_config = fit_uname_configp ? *fit_uname_configp : NULL;
1729 fit_base_uname_config = NULL;
1730 prop_name = fit_get_image_type_property(image_type);
1731 printf("## Loading %s from FIT Image at %08lx ...\n", prop_name, addr);
1733 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT);
1734 if (!fit_check_format(fit)) {
1735 printf("Bad FIT %s image format!\n", prop_name);
1736 bootstage_error(bootstage_id + BOOTSTAGE_SUB_FORMAT);
1739 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT_OK);
1741 /* get FIT component image node offset */
1742 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_UNIT_NAME);
1743 noffset = fit_image_get_node(fit, fit_uname);
1746 * no image node unit name, try to get config
1747 * node first. If config unit node name is NULL
1748 * fit_conf_get_node() will try to find default config node
1750 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_NO_UNIT_NAME);
1751 if (IMAGE_ENABLE_BEST_MATCH && !fit_uname_config) {
1752 cfg_noffset = fit_conf_find_compat(fit, gd_fdt_blob());
1754 cfg_noffset = fit_conf_get_node(fit,
1757 if (cfg_noffset < 0) {
1758 puts("Could not find configuration node\n");
1759 bootstage_error(bootstage_id +
1760 BOOTSTAGE_SUB_NO_UNIT_NAME);
1763 fit_base_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
1764 printf(" Using '%s' configuration\n", fit_base_uname_config);
1765 if (image_type == IH_TYPE_KERNEL) {
1766 /* Remember (and possibly verify) this config */
1767 images->fit_uname_cfg = fit_base_uname_config;
1768 if (IMAGE_ENABLE_VERIFY && images->verify) {
1769 puts(" Verifying Hash Integrity ... ");
1770 if (fit_config_verify(fit, cfg_noffset)) {
1771 puts("Bad Data Hash\n");
1772 bootstage_error(bootstage_id +
1773 BOOTSTAGE_SUB_HASH);
1778 bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);
1781 noffset = fit_conf_get_prop_node(fit, cfg_noffset,
1783 fit_uname = fit_get_name(fit, noffset, NULL);
1786 puts("Could not find subimage node\n");
1787 bootstage_error(bootstage_id + BOOTSTAGE_SUB_SUBNODE);
1791 printf(" Trying '%s' %s subimage\n", fit_uname, prop_name);
1793 ret = fit_image_select(fit, noffset, images->verify);
1795 bootstage_error(bootstage_id + BOOTSTAGE_SUB_HASH);
1799 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
1800 #if !defined(USE_HOSTCC) && !defined(CONFIG_SANDBOX)
1801 if (!fit_image_check_target_arch(fit, noffset)) {
1802 puts("Unsupported Architecture\n");
1803 bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
1809 fit_image_get_arch(fit, noffset, &os_arch);
1810 images->os.arch = os_arch;
1813 if (image_type == IH_TYPE_FLATDT &&
1814 !fit_image_check_comp(fit, noffset, IH_COMP_NONE)) {
1815 puts("FDT image is compressed");
1816 return -EPROTONOSUPPORT;
1819 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
1820 type_ok = fit_image_check_type(fit, noffset, image_type) ||
1821 fit_image_check_type(fit, noffset, IH_TYPE_FIRMWARE) ||
1822 (image_type == IH_TYPE_KERNEL &&
1823 fit_image_check_type(fit, noffset, IH_TYPE_KERNEL_NOLOAD));
1825 os_ok = image_type == IH_TYPE_FLATDT ||
1826 image_type == IH_TYPE_FPGA ||
1827 fit_image_check_os(fit, noffset, IH_OS_LINUX) ||
1828 fit_image_check_os(fit, noffset, IH_OS_U_BOOT) ||
1829 fit_image_check_os(fit, noffset, IH_OS_OPENRTOS);
1832 * If either of the checks fail, we should report an error, but
1833 * if the image type is coming from the "loadables" field, we
1834 * don't care what it is
1836 if ((!type_ok || !os_ok) && image_type != IH_TYPE_LOADABLE) {
1837 fit_image_get_os(fit, noffset, &os);
1838 printf("No %s %s %s Image\n",
1839 genimg_get_os_name(os),
1840 genimg_get_arch_name(arch),
1841 genimg_get_type_name(image_type));
1842 bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
1846 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL_OK);
1848 /* get image data address and length */
1849 if (fit_image_get_data(fit, noffset, &buf, &size)) {
1850 printf("Could not find %s subimage data!\n", prop_name);
1851 bootstage_error(bootstage_id + BOOTSTAGE_SUB_GET_DATA);
1855 #if !defined(USE_HOSTCC) && defined(CONFIG_FIT_IMAGE_POST_PROCESS)
1856 /* perform any post-processing on the image data */
1857 board_fit_image_post_process((void **)&buf, &size);
1862 /* verify that image data is a proper FDT blob */
1863 if (image_type == IH_TYPE_FLATDT && fdt_check_header(buf)) {
1864 puts("Subimage data is not a FDT");
1868 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_GET_DATA_OK);
1871 * Work-around for eldk-4.2 which gives this warning if we try to
1872 * cast in the unmap_sysmem() call:
1873 * warning: initialization discards qualifiers from pointer target type
1876 void *vbuf = (void *)buf;
1878 data = map_to_sysmem(vbuf);
1881 if (load_op == FIT_LOAD_IGNORED) {
1883 } else if (fit_image_get_load(fit, noffset, &load)) {
1884 if (load_op == FIT_LOAD_REQUIRED) {
1885 printf("Can't get %s subimage load address!\n",
1887 bootstage_error(bootstage_id + BOOTSTAGE_SUB_LOAD);
1890 } else if (load_op != FIT_LOAD_OPTIONAL_NON_ZERO || load) {
1891 ulong image_start, image_end;
1896 * move image data to the load address,
1897 * make sure we don't overwrite initial image
1900 image_end = addr + fit_get_size(fit);
1902 load_end = load + len;
1903 if (image_type != IH_TYPE_KERNEL &&
1904 load < image_end && load_end > image_start) {
1905 printf("Error: %s overwritten\n", prop_name);
1909 printf(" Loading %s from 0x%08lx to 0x%08lx\n",
1910 prop_name, data, load);
1912 dst = map_sysmem(load, len);
1913 memmove(dst, buf, len);
1916 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_LOAD);
1921 *fit_unamep = (char *)fit_uname;
1922 if (fit_uname_configp)
1923 *fit_uname_configp = (char *)(fit_uname_config ? :
1924 fit_base_uname_config);
1929 int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch,
1930 ulong *setup_start, ulong *setup_len)
1937 addr = map_to_sysmem(images->fit_hdr_os);
1938 noffset = fit_get_node_from_config(images, FIT_SETUP_PROP, addr);
1942 ret = fit_image_load(images, addr, NULL, NULL, arch,
1943 IH_TYPE_X86_SETUP, BOOTSTAGE_ID_FIT_SETUP_START,
1944 FIT_LOAD_REQUIRED, setup_start, &len);
1950 int boot_get_fdt_fit(bootm_headers_t *images, ulong addr,
1951 const char **fit_unamep, const char **fit_uname_configp,
1952 int arch, ulong *datap, ulong *lenp)
1954 int fdt_noffset, cfg_noffset, count;
1956 const char *fit_uname = NULL;
1957 const char *fit_uname_config = NULL;
1958 char *fit_uname_config_copy = NULL;
1959 char *next_config = NULL;
1961 #ifdef CONFIG_OF_LIBFDT_OVERLAY
1962 ulong image_start, image_end;
1963 ulong ovload, ovlen;
1964 const char *uconfig;
1967 int i, err, noffset, ov_noffset;
1970 fit_uname = fit_unamep ? *fit_unamep : NULL;
1972 if (fit_uname_configp && *fit_uname_configp) {
1973 fit_uname_config_copy = strdup(*fit_uname_configp);
1974 if (!fit_uname_config_copy)
1977 next_config = strchr(fit_uname_config_copy, '#');
1979 *next_config++ = '\0';
1980 if (next_config - 1 > fit_uname_config_copy)
1981 fit_uname_config = fit_uname_config_copy;
1984 fdt_noffset = fit_image_load(images,
1985 addr, &fit_uname, &fit_uname_config,
1986 arch, IH_TYPE_FLATDT,
1987 BOOTSTAGE_ID_FIT_FDT_START,
1988 FIT_LOAD_OPTIONAL, &load, &len);
1990 if (fdt_noffset < 0)
1993 debug("fit_uname=%s, fit_uname_config=%s\n",
1994 fit_uname ? fit_uname : "<NULL>",
1995 fit_uname_config ? fit_uname_config : "<NULL>");
1997 fit = map_sysmem(addr, 0);
1999 cfg_noffset = fit_conf_get_node(fit, fit_uname_config);
2001 /* single blob, or error just return as well */
2002 count = fit_conf_get_prop_node_count(fit, cfg_noffset, FIT_FDT_PROP);
2003 if (count <= 1 && !next_config)
2006 /* we need to apply overlays */
2008 #ifdef CONFIG_OF_LIBFDT_OVERLAY
2010 image_end = addr + fit_get_size(fit);
2011 /* verify that relocation took place by load address not being in fit */
2012 if (load >= image_start && load < image_end) {
2013 /* check is simplified; fit load checks for overlaps */
2014 printf("Overlayed FDT requires relocation\n");
2015 fdt_noffset = -EBADF;
2019 base = map_sysmem(load, len);
2021 /* apply extra configs in FIT first, followed by args */
2022 for (i = 1; ; i++) {
2024 noffset = fit_conf_get_prop_node_index(fit, cfg_noffset,
2026 uname = fit_get_name(fit, noffset, NULL);
2031 uconfig = next_config;
2032 next_config = strchr(next_config, '#');
2034 *next_config++ = '\0';
2038 debug("%d: using uname=%s uconfig=%s\n", i, uname, uconfig);
2040 ov_noffset = fit_image_load(images,
2041 addr, &uname, &uconfig,
2042 arch, IH_TYPE_FLATDT,
2043 BOOTSTAGE_ID_FIT_FDT_START,
2044 FIT_LOAD_REQUIRED, &ovload, &ovlen);
2045 if (ov_noffset < 0) {
2046 printf("load of %s failed\n", uname);
2049 debug("%s loaded at 0x%08lx len=0x%08lx\n",
2050 uname, ovload, ovlen);
2051 ov = map_sysmem(ovload, ovlen);
2053 base = map_sysmem(load, len + ovlen);
2054 err = fdt_open_into(base, base, len + ovlen);
2056 printf("failed on fdt_open_into\n");
2060 /* the verbose method prints out messages on error */
2061 err = fdt_overlay_apply_verbose(base, ov);
2067 len = fdt_totalsize(base);
2070 printf("config with overlays but CONFIG_OF_LIBFDT_OVERLAY not set\n");
2071 fdt_noffset = -EBADF;
2080 *fit_unamep = fit_uname;
2081 if (fit_uname_configp)
2082 *fit_uname_configp = fit_uname_config;
2084 if (fit_uname_config_copy)
2085 free(fit_uname_config_copy);