1 // SPDX-License-Identifier: GPL-2.0+
3 * Copyright (c) 2013, Google Inc.
5 * (C) Copyright 2008 Semihalf
7 * (C) Copyright 2000-2006
8 * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
14 #include <linux/libfdt.h>
15 #include <u-boot/crc.h>
17 #include <linux/compiler.h>
18 #include <linux/kconfig.h>
25 DECLARE_GLOBAL_DATA_PTR;
26 #endif /* !USE_HOSTCC*/
30 #include <bootstage.h>
31 #include <u-boot/crc.h>
32 #include <u-boot/md5.h>
33 #include <u-boot/sha1.h>
34 #include <u-boot/sha256.h>
35 #include <u-boot/sha512.h>
37 /*****************************************************************************/
38 /* New uImage format routines */
39 /*****************************************************************************/
41 static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr,
42 ulong *addr, const char **name)
49 sep = strchr(spec, sepc);
52 *addr = simple_strtoul(spec, NULL, 16);
62 * fit_parse_conf - parse FIT configuration spec
63 * @spec: input string, containing configuration spec
64 * @add_curr: current image address (to be used as a possible default)
65 * @addr: pointer to a ulong variable, will hold FIT image address of a given
67 * @conf_name double pointer to a char, will hold pointer to a configuration
70 * fit_parse_conf() expects configuration spec in the form of [<addr>]#<conf>,
71 * where <addr> is a FIT image address that contains configuration
72 * with a <conf> unit name.
74 * Address part is optional, and if omitted default add_curr will
78 * 1 if spec is a valid configuration string,
79 * addr and conf_name are set accordingly
82 int fit_parse_conf(const char *spec, ulong addr_curr,
83 ulong *addr, const char **conf_name)
85 return fit_parse_spec(spec, '#', addr_curr, addr, conf_name);
89 * fit_parse_subimage - parse FIT subimage spec
90 * @spec: input string, containing subimage spec
91 * @add_curr: current image address (to be used as a possible default)
92 * @addr: pointer to a ulong variable, will hold FIT image address of a given
94 * @image_name: double pointer to a char, will hold pointer to a subimage name
96 * fit_parse_subimage() expects subimage spec in the form of
97 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains
98 * subimage with a <subimg> unit name.
100 * Address part is optional, and if omitted default add_curr will
104 * 1 if spec is a valid subimage string,
105 * addr and image_name are set accordingly
108 int fit_parse_subimage(const char *spec, ulong addr_curr,
109 ulong *addr, const char **image_name)
111 return fit_parse_spec(spec, ':', addr_curr, addr, image_name);
113 #endif /* !USE_HOSTCC */
115 static void fit_get_debug(const void *fit, int noffset,
116 char *prop_name, int err)
118 debug("Can't get '%s' property from FIT 0x%08lx, node: offset %d, name %s (%s)\n",
119 prop_name, (ulong)fit, noffset, fit_get_name(fit, noffset, NULL),
124 * fit_get_subimage_count - get component (sub-image) count
125 * @fit: pointer to the FIT format image header
126 * @images_noffset: offset of images node
129 * number of image components
131 int fit_get_subimage_count(const void *fit, int images_noffset)
137 /* Process its subnodes, print out component images details */
138 for (ndepth = 0, count = 0,
139 noffset = fdt_next_node(fit, images_noffset, &ndepth);
140 (noffset >= 0) && (ndepth > 0);
141 noffset = fdt_next_node(fit, noffset, &ndepth)) {
150 #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_FIT_PRINT)
152 * fit_image_print_data() - prints out the hash node details
153 * @fit: pointer to the FIT format image header
154 * @noffset: offset of the hash node
155 * @p: pointer to prefix string
156 * @type: Type of information to print ("hash" or "sign")
158 * fit_image_print_data() lists properties for the processed hash node
160 * This function avoid using puts() since it prints a newline on the host
161 * but does not in U-Boot.
164 * no returned results
166 static void fit_image_print_data(const void *fit, int noffset, const char *p,
177 debug("%s %s node: '%s'\n", p, type,
178 fit_get_name(fit, noffset, NULL));
179 printf("%s %s algo: ", p, type);
180 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
181 printf("invalid/unsupported\n");
185 keyname = fdt_getprop(fit, noffset, FIT_KEY_HINT, NULL);
186 required = fdt_getprop(fit, noffset, FIT_KEY_REQUIRED, NULL) != NULL;
188 printf(":%s", keyname);
190 printf(" (required)");
193 padding = fdt_getprop(fit, noffset, "padding", NULL);
195 printf("%s %s padding: %s\n", p, type, padding);
197 ret = fit_image_hash_get_value(fit, noffset, &value,
199 printf("%s %s value: ", p, type);
201 printf("unavailable\n");
203 for (i = 0; i < value_len; i++)
204 printf("%02x", value[i]);
208 debug("%s %s len: %d\n", p, type, value_len);
210 /* Signatures have a time stamp */
211 if (IMAGE_ENABLE_TIMESTAMP && keyname) {
214 printf("%s Timestamp: ", p);
215 if (fit_get_timestamp(fit, noffset, ×tamp))
216 printf("unavailable\n");
218 genimg_print_time(timestamp);
223 * fit_image_print_verification_data() - prints out the hash/signature details
224 * @fit: pointer to the FIT format image header
225 * @noffset: offset of the hash or signature node
226 * @p: pointer to prefix string
228 * This lists properties for the processed hash node
231 * no returned results
233 static void fit_image_print_verification_data(const void *fit, int noffset,
239 * Check subnode name, must be equal to "hash" or "signature".
240 * Multiple hash/signature nodes require unique unit node
241 * names, e.g. hash-1, hash-2, signature-1, signature-2, etc.
243 name = fit_get_name(fit, noffset, NULL);
244 if (!strncmp(name, FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME))) {
245 fit_image_print_data(fit, noffset, p, "Hash");
246 } else if (!strncmp(name, FIT_SIG_NODENAME,
247 strlen(FIT_SIG_NODENAME))) {
248 fit_image_print_data(fit, noffset, p, "Sign");
253 * fit_conf_print - prints out the FIT configuration details
254 * @fit: pointer to the FIT format image header
255 * @noffset: offset of the configuration node
256 * @p: pointer to prefix string
258 * fit_conf_print() lists all mandatory properties for the processed
259 * configuration node.
262 * no returned results
264 static void fit_conf_print(const void *fit, int noffset, const char *p)
269 int fdt_index, loadables_index;
272 /* Mandatory properties */
273 ret = fit_get_desc(fit, noffset, &desc);
274 printf("%s Description: ", p);
276 printf("unavailable\n");
278 printf("%s\n", desc);
280 uname = fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL);
281 printf("%s Kernel: ", p);
283 printf("unavailable\n");
285 printf("%s\n", uname);
287 /* Optional properties */
288 uname = fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL);
290 printf("%s Init Ramdisk: %s\n", p, uname);
292 uname = fdt_getprop(fit, noffset, FIT_FIRMWARE_PROP, NULL);
294 printf("%s Firmware: %s\n", p, uname);
297 uname = fdt_stringlist_get(fit, noffset, FIT_FDT_PROP,
298 fdt_index, NULL), uname;
301 printf("%s FDT: ", p);
304 printf("%s\n", uname);
307 uname = fdt_getprop(fit, noffset, FIT_FPGA_PROP, NULL);
309 printf("%s FPGA: %s\n", p, uname);
311 /* Print out all of the specified loadables */
312 for (loadables_index = 0;
313 uname = fdt_stringlist_get(fit, noffset, FIT_LOADABLE_PROP,
314 loadables_index, NULL), uname;
316 if (loadables_index == 0) {
317 printf("%s Loadables: ", p);
321 printf("%s\n", uname);
324 /* Process all hash subnodes of the component configuration node */
325 for (ndepth = 0, noffset = fdt_next_node(fit, noffset, &ndepth);
326 (noffset >= 0) && (ndepth > 0);
327 noffset = fdt_next_node(fit, noffset, &ndepth)) {
329 /* Direct child node of the component configuration node */
330 fit_image_print_verification_data(fit, noffset, p);
336 * fit_print_contents - prints out the contents of the FIT format image
337 * @fit: pointer to the FIT format image header
338 * @p: pointer to prefix string
340 * fit_print_contents() formats a multi line FIT image contents description.
341 * The routine prints out FIT image properties (root node level) followed by
342 * the details of each component image.
345 * no returned results
347 void fit_print_contents(const void *fit)
360 /* Indent string is defined in header image.h */
361 p = IMAGE_INDENT_STRING;
363 /* Root node properties */
364 ret = fit_get_desc(fit, 0, &desc);
365 printf("%sFIT description: ", p);
367 printf("unavailable\n");
369 printf("%s\n", desc);
371 if (IMAGE_ENABLE_TIMESTAMP) {
372 ret = fit_get_timestamp(fit, 0, ×tamp);
373 printf("%sCreated: ", p);
375 printf("unavailable\n");
377 genimg_print_time(timestamp);
380 /* Find images parent node offset */
381 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
382 if (images_noffset < 0) {
383 printf("Can't find images parent node '%s' (%s)\n",
384 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
388 /* Process its subnodes, print out component images details */
389 for (ndepth = 0, count = 0,
390 noffset = fdt_next_node(fit, images_noffset, &ndepth);
391 (noffset >= 0) && (ndepth > 0);
392 noffset = fdt_next_node(fit, noffset, &ndepth)) {
395 * Direct child node of the images parent node,
396 * i.e. component image node.
398 printf("%s Image %u (%s)\n", p, count++,
399 fit_get_name(fit, noffset, NULL));
401 fit_image_print(fit, noffset, p);
405 /* Find configurations parent node offset */
406 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
407 if (confs_noffset < 0) {
408 debug("Can't get configurations parent node '%s' (%s)\n",
409 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
413 /* get default configuration unit name from default property */
414 uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL);
416 printf("%s Default Configuration: '%s'\n", p, uname);
418 /* Process its subnodes, print out configurations details */
419 for (ndepth = 0, count = 0,
420 noffset = fdt_next_node(fit, confs_noffset, &ndepth);
421 (noffset >= 0) && (ndepth > 0);
422 noffset = fdt_next_node(fit, noffset, &ndepth)) {
425 * Direct child node of the configurations parent node,
426 * i.e. configuration node.
428 printf("%s Configuration %u (%s)\n", p, count++,
429 fit_get_name(fit, noffset, NULL));
431 fit_conf_print(fit, noffset, p);
437 * fit_image_print - prints out the FIT component image details
438 * @fit: pointer to the FIT format image header
439 * @image_noffset: offset of the component image node
440 * @p: pointer to prefix string
442 * fit_image_print() lists all mandatory properties for the processed component
443 * image. If present, hash nodes are printed out as well. Load
444 * address for images of type firmware is also printed out. Since the load
445 * address is not mandatory for firmware images, it will be output as
446 * "unavailable" when not present.
449 * no returned results
451 void fit_image_print(const void *fit, int image_noffset, const char *p)
454 uint8_t type, arch, os, comp;
462 /* Mandatory properties */
463 ret = fit_get_desc(fit, image_noffset, &desc);
464 printf("%s Description: ", p);
466 printf("unavailable\n");
468 printf("%s\n", desc);
470 if (IMAGE_ENABLE_TIMESTAMP) {
473 ret = fit_get_timestamp(fit, 0, ×tamp);
474 printf("%s Created: ", p);
476 printf("unavailable\n");
478 genimg_print_time(timestamp);
481 fit_image_get_type(fit, image_noffset, &type);
482 printf("%s Type: %s\n", p, genimg_get_type_name(type));
484 fit_image_get_comp(fit, image_noffset, &comp);
485 printf("%s Compression: %s\n", p, genimg_get_comp_name(comp));
487 ret = fit_image_get_data_and_size(fit, image_noffset, &data, &size);
490 printf("%s Data Start: ", p);
492 printf("unavailable\n");
494 void *vdata = (void *)data;
496 printf("0x%08lx\n", (ulong)map_to_sysmem(vdata));
500 printf("%s Data Size: ", p);
502 printf("unavailable\n");
504 genimg_print_size(size);
506 /* Remaining, type dependent properties */
507 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
508 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) ||
509 (type == IH_TYPE_FLATDT)) {
510 fit_image_get_arch(fit, image_noffset, &arch);
511 printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch));
514 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK) ||
515 (type == IH_TYPE_FIRMWARE)) {
516 fit_image_get_os(fit, image_noffset, &os);
517 printf("%s OS: %s\n", p, genimg_get_os_name(os));
520 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
521 (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK) ||
522 (type == IH_TYPE_FPGA)) {
523 ret = fit_image_get_load(fit, image_noffset, &load);
524 printf("%s Load Address: ", p);
526 printf("unavailable\n");
528 printf("0x%08lx\n", load);
531 /* optional load address for FDT */
532 if (type == IH_TYPE_FLATDT && !fit_image_get_load(fit, image_noffset, &load))
533 printf("%s Load Address: 0x%08lx\n", p, load);
535 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) ||
536 (type == IH_TYPE_RAMDISK)) {
537 ret = fit_image_get_entry(fit, image_noffset, &entry);
538 printf("%s Entry Point: ", p);
540 printf("unavailable\n");
542 printf("0x%08lx\n", entry);
545 /* Process all hash subnodes of the component image node */
546 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth);
547 (noffset >= 0) && (ndepth > 0);
548 noffset = fdt_next_node(fit, noffset, &ndepth)) {
550 /* Direct child node of the component image node */
551 fit_image_print_verification_data(fit, noffset, p);
556 void fit_print_contents(const void *fit) { }
557 void fit_image_print(const void *fit, int image_noffset, const char *p) { }
558 #endif /* !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_FIT_PRINT) */
561 * fit_get_desc - get node description property
562 * @fit: pointer to the FIT format image header
563 * @noffset: node offset
564 * @desc: double pointer to the char, will hold pointer to the description
566 * fit_get_desc() reads description property from a given node, if
567 * description is found pointer to it is returned in third call argument.
573 int fit_get_desc(const void *fit, int noffset, char **desc)
577 *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len);
579 fit_get_debug(fit, noffset, FIT_DESC_PROP, len);
587 * fit_get_timestamp - get node timestamp property
588 * @fit: pointer to the FIT format image header
589 * @noffset: node offset
590 * @timestamp: pointer to the time_t, will hold read timestamp
592 * fit_get_timestamp() reads timestamp property from given node, if timestamp
593 * is found and has a correct size its value is returned in third call
598 * -1, on property read failure
599 * -2, on wrong timestamp size
601 int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp)
606 data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len);
608 fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len);
611 if (len != sizeof(uint32_t)) {
612 debug("FIT timestamp with incorrect size of (%u)\n", len);
616 *timestamp = uimage_to_cpu(*((uint32_t *)data));
621 * fit_image_get_node - get node offset for component image of a given unit name
622 * @fit: pointer to the FIT format image header
623 * @image_uname: component image node unit name
625 * fit_image_get_node() finds a component image (within the '/images'
626 * node) of a provided unit name. If image is found its node offset is
627 * returned to the caller.
630 * image node offset when found (>=0)
631 * negative number on failure (FDT_ERR_* code)
633 int fit_image_get_node(const void *fit, const char *image_uname)
635 int noffset, images_noffset;
637 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
638 if (images_noffset < 0) {
639 debug("Can't find images parent node '%s' (%s)\n",
640 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
641 return images_noffset;
644 noffset = fdt_subnode_offset(fit, images_noffset, image_uname);
646 debug("Can't get node offset for image unit name: '%s' (%s)\n",
647 image_uname, fdt_strerror(noffset));
654 * fit_image_get_os - get os id for a given component image node
655 * @fit: pointer to the FIT format image header
656 * @noffset: component image node offset
657 * @os: pointer to the uint8_t, will hold os numeric id
659 * fit_image_get_os() finds os property in a given component image node.
660 * If the property is found, its (string) value is translated to the numeric
661 * id which is returned to the caller.
667 int fit_image_get_os(const void *fit, int noffset, uint8_t *os)
672 /* Get OS name from property data */
673 data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len);
675 fit_get_debug(fit, noffset, FIT_OS_PROP, len);
680 /* Translate OS name to id */
681 *os = genimg_get_os_id(data);
686 * fit_image_get_arch - get arch id for a given component image node
687 * @fit: pointer to the FIT format image header
688 * @noffset: component image node offset
689 * @arch: pointer to the uint8_t, will hold arch numeric id
691 * fit_image_get_arch() finds arch property in a given component image node.
692 * If the property is found, its (string) value is translated to the numeric
693 * id which is returned to the caller.
699 int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch)
704 /* Get architecture name from property data */
705 data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len);
707 fit_get_debug(fit, noffset, FIT_ARCH_PROP, len);
712 /* Translate architecture name to id */
713 *arch = genimg_get_arch_id(data);
718 * fit_image_get_type - get type id for a given component image node
719 * @fit: pointer to the FIT format image header
720 * @noffset: component image node offset
721 * @type: pointer to the uint8_t, will hold type numeric id
723 * fit_image_get_type() finds type property in a given component image node.
724 * If the property is found, its (string) value is translated to the numeric
725 * id which is returned to the caller.
731 int fit_image_get_type(const void *fit, int noffset, uint8_t *type)
736 /* Get image type name from property data */
737 data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len);
739 fit_get_debug(fit, noffset, FIT_TYPE_PROP, len);
744 /* Translate image type name to id */
745 *type = genimg_get_type_id(data);
750 * fit_image_get_comp - get comp id for a given component image node
751 * @fit: pointer to the FIT format image header
752 * @noffset: component image node offset
753 * @comp: pointer to the uint8_t, will hold comp numeric id
755 * fit_image_get_comp() finds comp property in a given component image node.
756 * If the property is found, its (string) value is translated to the numeric
757 * id which is returned to the caller.
763 int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp)
768 /* Get compression name from property data */
769 data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len);
771 fit_get_debug(fit, noffset, FIT_COMP_PROP, len);
776 /* Translate compression name to id */
777 *comp = genimg_get_comp_id(data);
781 static int fit_image_get_address(const void *fit, int noffset, char *name,
788 cell = fdt_getprop(fit, noffset, name, &len);
790 fit_get_debug(fit, noffset, name, len);
794 if (len > sizeof(ulong)) {
795 printf("Unsupported %s address size\n", name);
800 /* Use load64 to avoid compiling warning for 32-bit target */
802 load64 = (load64 << 32) | uimage_to_cpu(*cell);
805 *load = (ulong)load64;
810 * fit_image_get_load() - get load addr property for given component image node
811 * @fit: pointer to the FIT format image header
812 * @noffset: component image node offset
813 * @load: pointer to the uint32_t, will hold load address
815 * fit_image_get_load() finds load address property in a given component
816 * image node. If the property is found, its value is returned to the caller.
822 int fit_image_get_load(const void *fit, int noffset, ulong *load)
824 return fit_image_get_address(fit, noffset, FIT_LOAD_PROP, load);
828 * fit_image_get_entry() - get entry point address property
829 * @fit: pointer to the FIT format image header
830 * @noffset: component image node offset
831 * @entry: pointer to the uint32_t, will hold entry point address
833 * This gets the entry point address property for a given component image
836 * fit_image_get_entry() finds entry point address property in a given
837 * component image node. If the property is found, its value is returned
844 int fit_image_get_entry(const void *fit, int noffset, ulong *entry)
846 return fit_image_get_address(fit, noffset, FIT_ENTRY_PROP, entry);
850 * fit_image_get_data - get data property and its size for a given component image node
851 * @fit: pointer to the FIT format image header
852 * @noffset: component image node offset
853 * @data: double pointer to void, will hold data property's data address
854 * @size: pointer to size_t, will hold data property's data size
856 * fit_image_get_data() finds data property in a given component image node.
857 * If the property is found its data start address and size are returned to
864 int fit_image_get_data(const void *fit, int noffset,
865 const void **data, size_t *size)
869 *data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len);
871 fit_get_debug(fit, noffset, FIT_DATA_PROP, len);
881 * Get 'data-offset' property from a given image node.
883 * @fit: pointer to the FIT image header
884 * @noffset: component image node offset
885 * @data_offset: holds the data-offset property
889 * -ENOENT if the property could not be found
891 int fit_image_get_data_offset(const void *fit, int noffset, int *data_offset)
895 val = fdt_getprop(fit, noffset, FIT_DATA_OFFSET_PROP, NULL);
899 *data_offset = fdt32_to_cpu(*val);
905 * Get 'data-position' property from a given image node.
907 * @fit: pointer to the FIT image header
908 * @noffset: component image node offset
909 * @data_position: holds the data-position property
913 * -ENOENT if the property could not be found
915 int fit_image_get_data_position(const void *fit, int noffset,
920 val = fdt_getprop(fit, noffset, FIT_DATA_POSITION_PROP, NULL);
924 *data_position = fdt32_to_cpu(*val);
930 * Get 'data-size' property from a given image node.
932 * @fit: pointer to the FIT image header
933 * @noffset: component image node offset
934 * @data_size: holds the data-size property
938 * -ENOENT if the property could not be found
940 int fit_image_get_data_size(const void *fit, int noffset, int *data_size)
944 val = fdt_getprop(fit, noffset, FIT_DATA_SIZE_PROP, NULL);
948 *data_size = fdt32_to_cpu(*val);
954 * Get 'data-size-unciphered' property from a given image node.
956 * @fit: pointer to the FIT image header
957 * @noffset: component image node offset
958 * @data_size: holds the data-size property
962 * -ENOENT if the property could not be found
964 int fit_image_get_data_size_unciphered(const void *fit, int noffset,
969 val = fdt_getprop(fit, noffset, "data-size-unciphered", NULL);
973 *data_size = (size_t)fdt32_to_cpu(*val);
979 * fit_image_get_data_and_size - get data and its size including
980 * both embedded and external data
981 * @fit: pointer to the FIT format image header
982 * @noffset: component image node offset
983 * @data: double pointer to void, will hold data property's data address
984 * @size: pointer to size_t, will hold data property's data size
986 * fit_image_get_data_and_size() finds data and its size including
987 * both embedded and external data. If the property is found
988 * its data start address and size are returned to the caller.
992 * otherwise, on failure
994 int fit_image_get_data_and_size(const void *fit, int noffset,
995 const void **data, size_t *size)
997 bool external_data = false;
1002 if (!fit_image_get_data_position(fit, noffset, &offset)) {
1003 external_data = true;
1004 } else if (!fit_image_get_data_offset(fit, noffset, &offset)) {
1005 external_data = true;
1007 * For FIT with external data, figure out where
1008 * the external images start. This is the base
1009 * for the data-offset properties in each image.
1011 offset += ((fdt_totalsize(fit) + 3) & ~3);
1014 if (external_data) {
1015 debug("External Data\n");
1016 ret = fit_image_get_data_size(fit, noffset, &len);
1018 *data = fit + offset;
1022 ret = fit_image_get_data(fit, noffset, data, size);
1029 * fit_image_hash_get_algo - get hash algorithm name
1030 * @fit: pointer to the FIT format image header
1031 * @noffset: hash node offset
1032 * @algo: double pointer to char, will hold pointer to the algorithm name
1034 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node.
1035 * If the property is found its data start address is returned to the caller.
1041 int fit_image_hash_get_algo(const void *fit, int noffset, char **algo)
1045 *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len);
1046 if (*algo == NULL) {
1047 fit_get_debug(fit, noffset, FIT_ALGO_PROP, len);
1055 * fit_image_hash_get_value - get hash value and length
1056 * @fit: pointer to the FIT format image header
1057 * @noffset: hash node offset
1058 * @value: double pointer to uint8_t, will hold address of a hash value data
1059 * @value_len: pointer to an int, will hold hash data length
1061 * fit_image_hash_get_value() finds hash value property in a given hash node.
1062 * If the property is found its data start address and size are returned to
1069 int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value,
1074 *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len);
1075 if (*value == NULL) {
1076 fit_get_debug(fit, noffset, FIT_VALUE_PROP, len);
1086 * fit_image_hash_get_ignore - get hash ignore flag
1087 * @fit: pointer to the FIT format image header
1088 * @noffset: hash node offset
1089 * @ignore: pointer to an int, will hold hash ignore flag
1091 * fit_image_hash_get_ignore() finds hash ignore property in a given hash node.
1092 * If the property is found and non-zero, the hash algorithm is not verified by
1093 * u-boot automatically.
1096 * 0, on ignore not found
1097 * value, on ignore found
1099 static int fit_image_hash_get_ignore(const void *fit, int noffset, int *ignore)
1104 value = (int *)fdt_getprop(fit, noffset, FIT_IGNORE_PROP, &len);
1105 if (value == NULL || len != sizeof(int))
1114 * fit_image_cipher_get_algo - get cipher algorithm name
1115 * @fit: pointer to the FIT format image header
1116 * @noffset: cipher node offset
1117 * @algo: double pointer to char, will hold pointer to the algorithm name
1119 * fit_image_cipher_get_algo() finds cipher algorithm property in a given
1120 * cipher node. If the property is found its data start address is returned
1127 int fit_image_cipher_get_algo(const void *fit, int noffset, char **algo)
1131 *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len);
1133 fit_get_debug(fit, noffset, FIT_ALGO_PROP, len);
1140 ulong fit_get_end(const void *fit)
1142 return map_to_sysmem((void *)(fit + fdt_totalsize(fit)));
1146 * fit_set_timestamp - set node timestamp property
1147 * @fit: pointer to the FIT format image header
1148 * @noffset: node offset
1149 * @timestamp: timestamp value to be set
1151 * fit_set_timestamp() attempts to set timestamp property in the requested
1152 * node and returns operation status to the caller.
1156 * -ENOSPC if no space in device tree, -1 for other error
1158 int fit_set_timestamp(void *fit, int noffset, time_t timestamp)
1163 t = cpu_to_uimage(timestamp);
1164 ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t,
1167 debug("Can't set '%s' property for '%s' node (%s)\n",
1168 FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL),
1170 return ret == -FDT_ERR_NOSPACE ? -ENOSPC : -1;
1177 * calculate_hash - calculate and return hash for provided input data
1178 * @data: pointer to the input data
1179 * @data_len: data length
1180 * @algo: requested hash algorithm
1181 * @value: pointer to the char, will hold hash value data (caller must
1182 * allocate enough free space)
1183 * value_len: length of the calculated hash
1185 * calculate_hash() computes input data hash according to the requested
1187 * Resulting hash value is placed in caller provided 'value' buffer, length
1188 * of the calculated hash is returned via value_len pointer argument.
1192 * -1, when algo is unsupported
1194 int calculate_hash(const void *data, int data_len, const char *algo,
1195 uint8_t *value, int *value_len)
1197 if (IMAGE_ENABLE_CRC32 && strcmp(algo, "crc32") == 0) {
1198 *((uint32_t *)value) = crc32_wd(0, data, data_len,
1200 *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value));
1202 } else if (IMAGE_ENABLE_SHA1 && strcmp(algo, "sha1") == 0) {
1203 sha1_csum_wd((unsigned char *)data, data_len,
1204 (unsigned char *)value, CHUNKSZ_SHA1);
1206 } else if (IMAGE_ENABLE_SHA256 && strcmp(algo, "sha256") == 0) {
1207 sha256_csum_wd((unsigned char *)data, data_len,
1208 (unsigned char *)value, CHUNKSZ_SHA256);
1209 *value_len = SHA256_SUM_LEN;
1210 } else if (IMAGE_ENABLE_SHA384 && strcmp(algo, "sha384") == 0) {
1211 sha384_csum_wd((unsigned char *)data, data_len,
1212 (unsigned char *)value, CHUNKSZ_SHA384);
1213 *value_len = SHA384_SUM_LEN;
1214 } else if (IMAGE_ENABLE_SHA512 && strcmp(algo, "sha512") == 0) {
1215 sha512_csum_wd((unsigned char *)data, data_len,
1216 (unsigned char *)value, CHUNKSZ_SHA512);
1217 *value_len = SHA512_SUM_LEN;
1218 } else if (IMAGE_ENABLE_MD5 && strcmp(algo, "md5") == 0) {
1219 md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5);
1222 debug("Unsupported hash alogrithm\n");
1228 static int fit_image_check_hash(const void *fit, int noffset, const void *data,
1229 size_t size, char **err_msgp)
1231 uint8_t value[FIT_MAX_HASH_LEN];
1240 if (fit_image_hash_get_algo(fit, noffset, &algo)) {
1241 *err_msgp = "Can't get hash algo property";
1246 if (IMAGE_ENABLE_IGNORE) {
1247 fit_image_hash_get_ignore(fit, noffset, &ignore);
1249 printf("-skipped ");
1254 if (fit_image_hash_get_value(fit, noffset, &fit_value,
1256 *err_msgp = "Can't get hash value property";
1260 if (calculate_hash(data, size, algo, value, &value_len)) {
1261 *err_msgp = "Unsupported hash algorithm";
1265 if (value_len != fit_value_len) {
1266 *err_msgp = "Bad hash value len";
1268 } else if (memcmp(value, fit_value, value_len) != 0) {
1269 *err_msgp = "Bad hash value";
1276 int fit_image_verify_with_data(const void *fit, int image_noffset,
1277 const void *data, size_t size)
1284 /* Verify all required signatures */
1285 if (FIT_IMAGE_ENABLE_VERIFY &&
1286 fit_image_verify_required_sigs(fit, image_noffset, data, size,
1287 gd_fdt_blob(), &verify_all)) {
1288 err_msg = "Unable to verify required signature";
1292 /* Process all hash subnodes of the component image node */
1293 fdt_for_each_subnode(noffset, fit, image_noffset) {
1294 const char *name = fit_get_name(fit, noffset, NULL);
1297 * Check subnode name, must be equal to "hash".
1298 * Multiple hash nodes require unique unit node
1299 * names, e.g. hash-1, hash-2, etc.
1301 if (!strncmp(name, FIT_HASH_NODENAME,
1302 strlen(FIT_HASH_NODENAME))) {
1303 if (fit_image_check_hash(fit, noffset, data, size,
1307 } else if (FIT_IMAGE_ENABLE_VERIFY && verify_all &&
1308 !strncmp(name, FIT_SIG_NODENAME,
1309 strlen(FIT_SIG_NODENAME))) {
1310 ret = fit_image_check_sig(fit, noffset, data,
1311 size, -1, &err_msg);
1314 * Show an indication on failure, but do not return
1315 * an error. Only keys marked 'required' can cause
1316 * an image validation failure. See the call to
1317 * fit_image_verify_required_sigs() above.
1326 if (noffset == -FDT_ERR_TRUNCATED || noffset == -FDT_ERR_BADSTRUCTURE) {
1327 err_msg = "Corrupted or truncated tree";
1334 printf(" error!\n%s for '%s' hash node in '%s' image node\n",
1335 err_msg, fit_get_name(fit, noffset, NULL),
1336 fit_get_name(fit, image_noffset, NULL));
1341 * fit_image_verify - verify data integrity
1342 * @fit: pointer to the FIT format image header
1343 * @image_noffset: component image node offset
1345 * fit_image_verify() goes over component image hash nodes,
1346 * re-calculates each data hash and compares with the value stored in hash
1350 * 1, if all hashes are valid
1351 * 0, otherwise (or on error)
1353 int fit_image_verify(const void *fit, int image_noffset)
1360 /* Get image data and data length */
1361 if (fit_image_get_data_and_size(fit, image_noffset, &data, &size)) {
1362 err_msg = "Can't get image data/size";
1363 printf("error!\n%s for '%s' hash node in '%s' image node\n",
1364 err_msg, fit_get_name(fit, noffset, NULL),
1365 fit_get_name(fit, image_noffset, NULL));
1369 return fit_image_verify_with_data(fit, image_noffset, data, size);
1373 * fit_all_image_verify - verify data integrity for all images
1374 * @fit: pointer to the FIT format image header
1376 * fit_all_image_verify() goes over all images in the FIT and
1377 * for every images checks if all it's hashes are valid.
1380 * 1, if all hashes of all images are valid
1381 * 0, otherwise (or on error)
1383 int fit_all_image_verify(const void *fit)
1390 /* Find images parent node offset */
1391 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1392 if (images_noffset < 0) {
1393 printf("Can't find images parent node '%s' (%s)\n",
1394 FIT_IMAGES_PATH, fdt_strerror(images_noffset));
1398 /* Process all image subnodes, check hashes for each */
1399 printf("## Checking hash(es) for FIT Image at %08lx ...\n",
1401 for (ndepth = 0, count = 0,
1402 noffset = fdt_next_node(fit, images_noffset, &ndepth);
1403 (noffset >= 0) && (ndepth > 0);
1404 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1407 * Direct child node of the images parent node,
1408 * i.e. component image node.
1410 printf(" Hash(es) for Image %u (%s): ", count,
1411 fit_get_name(fit, noffset, NULL));
1414 if (!fit_image_verify(fit, noffset))
1422 #ifdef CONFIG_FIT_CIPHER
1423 static int fit_image_uncipher(const void *fit, int image_noffset,
1424 void **data, size_t *size)
1426 int cipher_noffset, ret;
1430 cipher_noffset = fdt_subnode_offset(fit, image_noffset,
1431 FIT_CIPHER_NODENAME);
1432 if (cipher_noffset < 0)
1435 ret = fit_image_decrypt_data(fit, image_noffset, cipher_noffset,
1436 *data, *size, &dst, &size_dst);
1446 #endif /* CONFIG_FIT_CIPHER */
1449 * fit_image_check_os - check whether image node is of a given os type
1450 * @fit: pointer to the FIT format image header
1451 * @noffset: component image node offset
1452 * @os: requested image os
1454 * fit_image_check_os() reads image os property and compares its numeric
1455 * id with the requested os. Comparison result is returned to the caller.
1458 * 1 if image is of given os type
1459 * 0 otherwise (or on error)
1461 int fit_image_check_os(const void *fit, int noffset, uint8_t os)
1465 if (fit_image_get_os(fit, noffset, &image_os))
1467 return (os == image_os);
1471 * fit_image_check_arch - check whether image node is of a given arch
1472 * @fit: pointer to the FIT format image header
1473 * @noffset: component image node offset
1474 * @arch: requested imagearch
1476 * fit_image_check_arch() reads image arch property and compares its numeric
1477 * id with the requested arch. Comparison result is returned to the caller.
1480 * 1 if image is of given arch
1481 * 0 otherwise (or on error)
1483 int fit_image_check_arch(const void *fit, int noffset, uint8_t arch)
1486 int aarch32_support = 0;
1488 #ifdef CONFIG_ARM64_SUPPORT_AARCH32
1489 aarch32_support = 1;
1492 if (fit_image_get_arch(fit, noffset, &image_arch))
1494 return (arch == image_arch) ||
1495 (arch == IH_ARCH_I386 && image_arch == IH_ARCH_X86_64) ||
1496 (arch == IH_ARCH_ARM64 && image_arch == IH_ARCH_ARM &&
1501 * fit_image_check_type - check whether image node is of a given type
1502 * @fit: pointer to the FIT format image header
1503 * @noffset: component image node offset
1504 * @type: requested image type
1506 * fit_image_check_type() reads image type property and compares its numeric
1507 * id with the requested type. Comparison result is returned to the caller.
1510 * 1 if image is of given type
1511 * 0 otherwise (or on error)
1513 int fit_image_check_type(const void *fit, int noffset, uint8_t type)
1517 if (fit_image_get_type(fit, noffset, &image_type))
1519 return (type == image_type);
1523 * fit_image_check_comp - check whether image node uses given compression
1524 * @fit: pointer to the FIT format image header
1525 * @noffset: component image node offset
1526 * @comp: requested image compression type
1528 * fit_image_check_comp() reads image compression property and compares its
1529 * numeric id with the requested compression type. Comparison result is
1530 * returned to the caller.
1533 * 1 if image uses requested compression
1534 * 0 otherwise (or on error)
1536 int fit_image_check_comp(const void *fit, int noffset, uint8_t comp)
1540 if (fit_image_get_comp(fit, noffset, &image_comp))
1542 return (comp == image_comp);
1546 * fit_check_format - sanity check FIT image format
1547 * @fit: pointer to the FIT format image header
1549 * fit_check_format() runs a basic sanity FIT image verification.
1550 * Routine checks for mandatory properties, nodes, etc.
1556 int fit_check_format(const void *fit)
1558 /* mandatory / node 'description' property */
1559 if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) {
1560 debug("Wrong FIT format: no description\n");
1564 if (IMAGE_ENABLE_TIMESTAMP) {
1565 /* mandatory / node 'timestamp' property */
1566 if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) {
1567 debug("Wrong FIT format: no timestamp\n");
1572 /* mandatory subimages parent '/images' node */
1573 if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) {
1574 debug("Wrong FIT format: no images parent node\n");
1583 * fit_conf_find_compat
1584 * @fit: pointer to the FIT format image header
1585 * @fdt: pointer to the device tree to compare against
1587 * fit_conf_find_compat() attempts to find the configuration whose fdt is the
1588 * most compatible with the passed in device tree.
1597 * |-o configurations
1605 * |-compatible = "foo,bar", "bim,bam"
1608 * |-compatible = "foo,bar",
1611 * |-compatible = "bim,bam", "baz,biz"
1613 * Configuration 1 would be picked because the first string in U-Boot's
1614 * compatible list, "foo,bar", matches a compatible string in the root of fdt1.
1615 * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1.
1617 * As an optimization, the compatible property from the FDT's root node can be
1618 * copied into the configuration node in the FIT image. This is required to
1619 * match configurations with compressed FDTs.
1622 * offset to the configuration to use if one was found
1625 int fit_conf_find_compat(const void *fit, const void *fdt)
1628 int noffset, confs_noffset, images_noffset;
1629 const void *fdt_compat;
1631 int best_match_offset = 0;
1632 int best_match_pos = 0;
1634 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1635 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH);
1636 if (confs_noffset < 0 || images_noffset < 0) {
1637 debug("Can't find configurations or images nodes.\n");
1641 fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len);
1643 debug("Fdt for comparison has no \"compatible\" property.\n");
1648 * Loop over the configurations in the FIT image.
1650 for (noffset = fdt_next_node(fit, confs_noffset, &ndepth);
1651 (noffset >= 0) && (ndepth > 0);
1652 noffset = fdt_next_node(fit, noffset, &ndepth)) {
1654 const char *kfdt_name;
1655 int kfdt_noffset, compat_noffset;
1656 const char *cur_fdt_compat;
1664 /* If there's a compat property in the config node, use that. */
1665 if (fdt_getprop(fit, noffset, "compatible", NULL)) {
1666 fdt = fit; /* search in FIT image */
1667 compat_noffset = noffset; /* search under config node */
1668 } else { /* Otherwise extract it from the kernel FDT. */
1669 kfdt_name = fdt_getprop(fit, noffset, "fdt", &len);
1671 debug("No fdt property found.\n");
1674 kfdt_noffset = fdt_subnode_offset(fit, images_noffset,
1676 if (kfdt_noffset < 0) {
1677 debug("No image node named \"%s\" found.\n",
1682 if (!fit_image_check_comp(fit, kfdt_noffset,
1684 debug("Can't extract compat from \"%s\" "
1685 "(compressed)\n", kfdt_name);
1689 /* search in this config's kernel FDT */
1690 if (fit_image_get_data(fit, kfdt_noffset, &fdt, &sz)) {
1691 debug("Failed to get fdt \"%s\".\n", kfdt_name);
1695 compat_noffset = 0; /* search kFDT under root node */
1698 len = fdt_compat_len;
1699 cur_fdt_compat = fdt_compat;
1701 * Look for a match for each U-Boot compatibility string in
1702 * turn in the compat string property.
1704 for (i = 0; len > 0 &&
1705 (!best_match_offset || best_match_pos > i); i++) {
1706 int cur_len = strlen(cur_fdt_compat) + 1;
1708 if (!fdt_node_check_compatible(fdt, compat_noffset,
1710 best_match_offset = noffset;
1715 cur_fdt_compat += cur_len;
1718 if (!best_match_offset) {
1719 debug("No match found.\n");
1723 return best_match_offset;
1726 int fit_conf_get_node(const void *fit, const char *conf_uname)
1728 int noffset, confs_noffset;
1731 char *conf_uname_copy = NULL;
1733 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH);
1734 if (confs_noffset < 0) {
1735 debug("Can't find configurations parent node '%s' (%s)\n",
1736 FIT_CONFS_PATH, fdt_strerror(confs_noffset));
1737 return confs_noffset;
1740 if (conf_uname == NULL) {
1741 /* get configuration unit name from the default property */
1742 debug("No configuration specified, trying default...\n");
1743 conf_uname = (char *)fdt_getprop(fit, confs_noffset,
1744 FIT_DEFAULT_PROP, &len);
1745 if (conf_uname == NULL) {
1746 fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP,
1750 debug("Found default configuration: '%s'\n", conf_uname);
1753 s = strchr(conf_uname, '#');
1755 len = s - conf_uname;
1756 conf_uname_copy = malloc(len + 1);
1757 if (!conf_uname_copy) {
1758 debug("Can't allocate uname copy: '%s'\n",
1762 memcpy(conf_uname_copy, conf_uname, len);
1763 conf_uname_copy[len] = '\0';
1764 conf_uname = conf_uname_copy;
1767 noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname);
1769 debug("Can't get node offset for configuration unit name: '%s' (%s)\n",
1770 conf_uname, fdt_strerror(noffset));
1773 if (conf_uname_copy)
1774 free(conf_uname_copy);
1779 int fit_conf_get_prop_node_count(const void *fit, int noffset,
1780 const char *prop_name)
1782 return fdt_stringlist_count(fit, noffset, prop_name);
1785 int fit_conf_get_prop_node_index(const void *fit, int noffset,
1786 const char *prop_name, int index)
1791 /* get kernel image unit name from configuration kernel property */
1792 uname = fdt_stringlist_get(fit, noffset, prop_name, index, &len);
1796 return fit_image_get_node(fit, uname);
1799 int fit_conf_get_prop_node(const void *fit, int noffset,
1800 const char *prop_name)
1802 return fit_conf_get_prop_node_index(fit, noffset, prop_name, 0);
1805 static int fit_image_select(const void *fit, int rd_noffset, int verify)
1807 fit_image_print(fit, rd_noffset, " ");
1810 puts(" Verifying Hash Integrity ... ");
1811 if (!fit_image_verify(fit, rd_noffset)) {
1812 puts("Bad Data Hash\n");
1821 int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name,
1828 debug("* %s: using config '%s' from image at 0x%08lx\n",
1829 prop_name, images->fit_uname_cfg, addr);
1831 /* Check whether configuration has this property defined */
1832 fit_hdr = map_sysmem(addr, 0);
1833 cfg_noffset = fit_conf_get_node(fit_hdr, images->fit_uname_cfg);
1834 if (cfg_noffset < 0) {
1835 debug("* %s: no such config\n", prop_name);
1839 noffset = fit_conf_get_prop_node(fit_hdr, cfg_noffset, prop_name);
1841 debug("* %s: no '%s' in config\n", prop_name, prop_name);
1849 * fit_get_image_type_property() - get property name for IH_TYPE_...
1851 * @return the properly name where we expect to find the image in the
1854 static const char *fit_get_image_type_property(int type)
1857 * This is sort-of available in the uimage_type[] table in image.c
1858 * but we don't have access to the short name, and "fdt" is different
1859 * anyway. So let's just keep it here.
1862 case IH_TYPE_FLATDT:
1863 return FIT_FDT_PROP;
1864 case IH_TYPE_KERNEL:
1865 return FIT_KERNEL_PROP;
1866 case IH_TYPE_RAMDISK:
1867 return FIT_RAMDISK_PROP;
1868 case IH_TYPE_X86_SETUP:
1869 return FIT_SETUP_PROP;
1870 case IH_TYPE_LOADABLE:
1871 return FIT_LOADABLE_PROP;
1873 return FIT_FPGA_PROP;
1874 case IH_TYPE_STANDALONE:
1875 return FIT_STANDALONE_PROP;
1881 int fit_image_load(bootm_headers_t *images, ulong addr,
1882 const char **fit_unamep, const char **fit_uname_configp,
1883 int arch, int image_type, int bootstage_id,
1884 enum fit_load_op load_op, ulong *datap, ulong *lenp)
1886 int cfg_noffset, noffset;
1887 const char *fit_uname;
1888 const char *fit_uname_config;
1889 const char *fit_base_uname_config;
1895 ulong load, load_end, data, len;
1900 const char *prop_name;
1903 fit = map_sysmem(addr, 0);
1904 fit_uname = fit_unamep ? *fit_unamep : NULL;
1905 fit_uname_config = fit_uname_configp ? *fit_uname_configp : NULL;
1906 fit_base_uname_config = NULL;
1907 prop_name = fit_get_image_type_property(image_type);
1908 printf("## Loading %s from FIT Image at %08lx ...\n", prop_name, addr);
1910 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT);
1911 if (!fit_check_format(fit)) {
1912 printf("Bad FIT %s image format!\n", prop_name);
1913 bootstage_error(bootstage_id + BOOTSTAGE_SUB_FORMAT);
1916 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT_OK);
1918 /* get FIT component image node offset */
1919 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_UNIT_NAME);
1920 noffset = fit_image_get_node(fit, fit_uname);
1923 * no image node unit name, try to get config
1924 * node first. If config unit node name is NULL
1925 * fit_conf_get_node() will try to find default config node
1927 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_NO_UNIT_NAME);
1928 if (IMAGE_ENABLE_BEST_MATCH && !fit_uname_config) {
1929 cfg_noffset = fit_conf_find_compat(fit, gd_fdt_blob());
1931 cfg_noffset = fit_conf_get_node(fit,
1934 if (cfg_noffset < 0) {
1935 puts("Could not find configuration node\n");
1936 bootstage_error(bootstage_id +
1937 BOOTSTAGE_SUB_NO_UNIT_NAME);
1941 fit_base_uname_config = fdt_get_name(fit, cfg_noffset, NULL);
1942 printf(" Using '%s' configuration\n", fit_base_uname_config);
1943 /* Remember this config */
1944 if (image_type == IH_TYPE_KERNEL)
1945 images->fit_uname_cfg = fit_base_uname_config;
1947 if (FIT_IMAGE_ENABLE_VERIFY && images->verify) {
1948 puts(" Verifying Hash Integrity ... ");
1949 if (fit_config_verify(fit, cfg_noffset)) {
1950 puts("Bad Data Hash\n");
1951 bootstage_error(bootstage_id +
1952 BOOTSTAGE_SUB_HASH);
1958 bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG);
1960 noffset = fit_conf_get_prop_node(fit, cfg_noffset,
1962 fit_uname = fit_get_name(fit, noffset, NULL);
1965 printf("Could not find subimage node type '%s'\n", prop_name);
1966 bootstage_error(bootstage_id + BOOTSTAGE_SUB_SUBNODE);
1970 printf(" Trying '%s' %s subimage\n", fit_uname, prop_name);
1972 ret = fit_image_select(fit, noffset, images->verify);
1974 bootstage_error(bootstage_id + BOOTSTAGE_SUB_HASH);
1978 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
1979 #if !defined(USE_HOSTCC) && !defined(CONFIG_SANDBOX)
1980 if (!fit_image_check_target_arch(fit, noffset)) {
1981 puts("Unsupported Architecture\n");
1982 bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH);
1988 fit_image_get_arch(fit, noffset, &os_arch);
1989 images->os.arch = os_arch;
1992 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
1993 type_ok = fit_image_check_type(fit, noffset, image_type) ||
1994 fit_image_check_type(fit, noffset, IH_TYPE_FIRMWARE) ||
1995 (image_type == IH_TYPE_KERNEL &&
1996 fit_image_check_type(fit, noffset, IH_TYPE_KERNEL_NOLOAD));
1998 os_ok = image_type == IH_TYPE_FLATDT ||
1999 image_type == IH_TYPE_FPGA ||
2000 fit_image_check_os(fit, noffset, IH_OS_LINUX) ||
2001 fit_image_check_os(fit, noffset, IH_OS_U_BOOT) ||
2002 fit_image_check_os(fit, noffset, IH_OS_OPENRTOS) ||
2003 fit_image_check_os(fit, noffset, IH_OS_EFI) ||
2004 fit_image_check_os(fit, noffset, IH_OS_VXWORKS);
2007 * If either of the checks fail, we should report an error, but
2008 * if the image type is coming from the "loadables" field, we
2009 * don't care what it is
2011 if ((!type_ok || !os_ok) && image_type != IH_TYPE_LOADABLE) {
2012 fit_image_get_os(fit, noffset, &os);
2013 printf("No %s %s %s Image\n",
2014 genimg_get_os_name(os),
2015 genimg_get_arch_name(arch),
2016 genimg_get_type_name(image_type));
2017 bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL);
2021 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL_OK);
2023 /* get image data address and length */
2024 if (fit_image_get_data_and_size(fit, noffset,
2025 (const void **)&buf, &size)) {
2026 printf("Could not find %s subimage data!\n", prop_name);
2027 bootstage_error(bootstage_id + BOOTSTAGE_SUB_GET_DATA);
2031 #ifdef CONFIG_FIT_CIPHER
2032 /* Decrypt data before uncompress/move */
2033 if (IMAGE_ENABLE_DECRYPT) {
2034 puts(" Decrypting Data ... ");
2035 if (fit_image_uncipher(fit, noffset, &buf, &size)) {
2043 #if !defined(USE_HOSTCC) && defined(CONFIG_FIT_IMAGE_POST_PROCESS)
2044 /* perform any post-processing on the image data */
2045 board_fit_image_post_process(&buf, &size);
2050 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_GET_DATA_OK);
2052 data = map_to_sysmem(buf);
2054 if (load_op == FIT_LOAD_IGNORED) {
2056 } else if (fit_image_get_load(fit, noffset, &load)) {
2057 if (load_op == FIT_LOAD_REQUIRED) {
2058 printf("Can't get %s subimage load address!\n",
2060 bootstage_error(bootstage_id + BOOTSTAGE_SUB_LOAD);
2063 } else if (load_op != FIT_LOAD_OPTIONAL_NON_ZERO || load) {
2064 ulong image_start, image_end;
2067 * move image data to the load address,
2068 * make sure we don't overwrite initial image
2071 image_end = addr + fit_get_size(fit);
2073 load_end = load + len;
2074 if (image_type != IH_TYPE_KERNEL &&
2075 load < image_end && load_end > image_start) {
2076 printf("Error: %s overwritten\n", prop_name);
2080 printf(" Loading %s from 0x%08lx to 0x%08lx\n",
2081 prop_name, data, load);
2083 load = data; /* No load address specified */
2086 comp = IH_COMP_NONE;
2088 /* Kernel images get decompressed later in bootm_load_os(). */
2089 if (!fit_image_get_comp(fit, noffset, &comp) &&
2090 comp != IH_COMP_NONE &&
2091 !(image_type == IH_TYPE_KERNEL ||
2092 image_type == IH_TYPE_KERNEL_NOLOAD ||
2093 image_type == IH_TYPE_RAMDISK)) {
2094 ulong max_decomp_len = len * 20;
2096 loadbuf = malloc(max_decomp_len);
2097 load = map_to_sysmem(loadbuf);
2099 loadbuf = map_sysmem(load, max_decomp_len);
2101 if (image_decomp(comp, load, data, image_type,
2102 loadbuf, buf, len, max_decomp_len, &load_end)) {
2103 printf("Error decompressing %s\n", prop_name);
2107 len = load_end - load;
2108 } else if (load != data) {
2109 loadbuf = map_sysmem(load, len);
2110 memcpy(loadbuf, buf, len);
2113 if (image_type == IH_TYPE_RAMDISK && comp != IH_COMP_NONE)
2114 puts("WARNING: 'compression' nodes for ramdisks are deprecated,"
2115 " please fix your .its file!\n");
2117 /* verify that image data is a proper FDT blob */
2118 if (image_type == IH_TYPE_FLATDT && fdt_check_header(loadbuf)) {
2119 puts("Subimage data is not a FDT");
2123 bootstage_mark(bootstage_id + BOOTSTAGE_SUB_LOAD);
2128 *fit_unamep = (char *)fit_uname;
2129 if (fit_uname_configp)
2130 *fit_uname_configp = (char *)(fit_uname_config ? :
2131 fit_base_uname_config);
2136 int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch,
2137 ulong *setup_start, ulong *setup_len)
2144 addr = map_to_sysmem(images->fit_hdr_os);
2145 noffset = fit_get_node_from_config(images, FIT_SETUP_PROP, addr);
2149 ret = fit_image_load(images, addr, NULL, NULL, arch,
2150 IH_TYPE_X86_SETUP, BOOTSTAGE_ID_FIT_SETUP_START,
2151 FIT_LOAD_REQUIRED, setup_start, &len);
2157 int boot_get_fdt_fit(bootm_headers_t *images, ulong addr,
2158 const char **fit_unamep, const char **fit_uname_configp,
2159 int arch, ulong *datap, ulong *lenp)
2161 int fdt_noffset, cfg_noffset, count;
2163 const char *fit_uname = NULL;
2164 const char *fit_uname_config = NULL;
2165 char *fit_uname_config_copy = NULL;
2166 char *next_config = NULL;
2168 #ifdef CONFIG_OF_LIBFDT_OVERLAY
2169 ulong image_start, image_end;
2170 ulong ovload, ovlen;
2171 const char *uconfig;
2174 int i, err, noffset, ov_noffset;
2177 fit_uname = fit_unamep ? *fit_unamep : NULL;
2179 if (fit_uname_configp && *fit_uname_configp) {
2180 fit_uname_config_copy = strdup(*fit_uname_configp);
2181 if (!fit_uname_config_copy)
2184 next_config = strchr(fit_uname_config_copy, '#');
2186 *next_config++ = '\0';
2187 if (next_config - 1 > fit_uname_config_copy)
2188 fit_uname_config = fit_uname_config_copy;
2191 fdt_noffset = fit_image_load(images,
2192 addr, &fit_uname, &fit_uname_config,
2193 arch, IH_TYPE_FLATDT,
2194 BOOTSTAGE_ID_FIT_FDT_START,
2195 FIT_LOAD_OPTIONAL, &load, &len);
2197 if (fdt_noffset < 0)
2200 debug("fit_uname=%s, fit_uname_config=%s\n",
2201 fit_uname ? fit_uname : "<NULL>",
2202 fit_uname_config ? fit_uname_config : "<NULL>");
2204 fit = map_sysmem(addr, 0);
2206 cfg_noffset = fit_conf_get_node(fit, fit_uname_config);
2208 /* single blob, or error just return as well */
2209 count = fit_conf_get_prop_node_count(fit, cfg_noffset, FIT_FDT_PROP);
2210 if (count <= 1 && !next_config)
2213 /* we need to apply overlays */
2215 #ifdef CONFIG_OF_LIBFDT_OVERLAY
2217 image_end = addr + fit_get_size(fit);
2218 /* verify that relocation took place by load address not being in fit */
2219 if (load >= image_start && load < image_end) {
2220 /* check is simplified; fit load checks for overlaps */
2221 printf("Overlayed FDT requires relocation\n");
2222 fdt_noffset = -EBADF;
2226 base = map_sysmem(load, len);
2228 /* apply extra configs in FIT first, followed by args */
2229 for (i = 1; ; i++) {
2231 noffset = fit_conf_get_prop_node_index(fit, cfg_noffset,
2233 uname = fit_get_name(fit, noffset, NULL);
2238 uconfig = next_config;
2239 next_config = strchr(next_config, '#');
2241 *next_config++ = '\0';
2245 * fit_image_load() would load the first FDT from the
2246 * extra config only when uconfig is specified.
2247 * Check if the extra config contains multiple FDTs and
2250 cfg_noffset = fit_conf_get_node(fit, uconfig);
2253 count = fit_conf_get_prop_node_count(fit, cfg_noffset,
2257 debug("%d: using uname=%s uconfig=%s\n", i, uname, uconfig);
2259 ov_noffset = fit_image_load(images,
2260 addr, &uname, &uconfig,
2261 arch, IH_TYPE_FLATDT,
2262 BOOTSTAGE_ID_FIT_FDT_START,
2263 FIT_LOAD_REQUIRED, &ovload, &ovlen);
2264 if (ov_noffset < 0) {
2265 printf("load of %s failed\n", uname);
2268 debug("%s loaded at 0x%08lx len=0x%08lx\n",
2269 uname, ovload, ovlen);
2270 ov = map_sysmem(ovload, ovlen);
2272 base = map_sysmem(load, len + ovlen);
2273 err = fdt_open_into(base, base, len + ovlen);
2275 printf("failed on fdt_open_into\n");
2279 /* the verbose method prints out messages on error */
2280 err = fdt_overlay_apply_verbose(base, ov);
2286 len = fdt_totalsize(base);
2289 printf("config with overlays but CONFIG_OF_LIBFDT_OVERLAY not set\n");
2290 fdt_noffset = -EBADF;
2299 *fit_unamep = fit_uname;
2300 if (fit_uname_configp)
2301 *fit_uname_configp = fit_uname_config;
2303 if (fit_uname_config_copy)
2304 free(fit_uname_config_copy);