Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2013, Google Inc. |
| 3 | * |
| 4 | * (C) Copyright 2008 Semihalf |
| 5 | * |
| 6 | * (C) Copyright 2000-2006 |
| 7 | * Wolfgang Denk, DENX Software Engineering, wd@denx.de. |
| 8 | * |
Wolfgang Denk | 1a45966 | 2013-07-08 09:37:19 +0200 | [diff] [blame] | 9 | * SPDX-License-Identifier: GPL-2.0+ |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 10 | */ |
| 11 | |
| 12 | #ifdef USE_HOSTCC |
| 13 | #include "mkimage.h" |
| 14 | #include <image.h> |
| 15 | #include <time.h> |
| 16 | #else |
| 17 | #include <common.h> |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 18 | #include <errno.h> |
Joe Hershberger | 0eb25b6 | 2015-03-22 17:08:59 -0500 | [diff] [blame] | 19 | #include <mapmem.h> |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 20 | #include <asm/io.h> |
| 21 | DECLARE_GLOBAL_DATA_PTR; |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 22 | #endif /* !USE_HOSTCC*/ |
| 23 | |
| 24 | #include <bootstage.h> |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 25 | #include <u-boot/crc.h> |
| 26 | #include <u-boot/md5.h> |
Jeroen Hofstee | 2b9912e | 2014-06-12 22:27:12 +0200 | [diff] [blame] | 27 | #include <u-boot/sha1.h> |
| 28 | #include <u-boot/sha256.h> |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 29 | |
| 30 | /*****************************************************************************/ |
| 31 | /* New uImage format routines */ |
| 32 | /*****************************************************************************/ |
| 33 | #ifndef USE_HOSTCC |
| 34 | static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr, |
| 35 | ulong *addr, const char **name) |
| 36 | { |
| 37 | const char *sep; |
| 38 | |
| 39 | *addr = addr_curr; |
| 40 | *name = NULL; |
| 41 | |
| 42 | sep = strchr(spec, sepc); |
| 43 | if (sep) { |
| 44 | if (sep - spec > 0) |
| 45 | *addr = simple_strtoul(spec, NULL, 16); |
| 46 | |
| 47 | *name = sep + 1; |
| 48 | return 1; |
| 49 | } |
| 50 | |
| 51 | return 0; |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * fit_parse_conf - parse FIT configuration spec |
| 56 | * @spec: input string, containing configuration spec |
| 57 | * @add_curr: current image address (to be used as a possible default) |
| 58 | * @addr: pointer to a ulong variable, will hold FIT image address of a given |
| 59 | * configuration |
| 60 | * @conf_name double pointer to a char, will hold pointer to a configuration |
| 61 | * unit name |
| 62 | * |
Masahiro Yamada | 069d594 | 2013-09-18 09:36:38 +0900 | [diff] [blame] | 63 | * fit_parse_conf() expects configuration spec in the form of [<addr>]#<conf>, |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 64 | * where <addr> is a FIT image address that contains configuration |
| 65 | * with a <conf> unit name. |
| 66 | * |
| 67 | * Address part is optional, and if omitted default add_curr will |
| 68 | * be used instead. |
| 69 | * |
| 70 | * returns: |
| 71 | * 1 if spec is a valid configuration string, |
| 72 | * addr and conf_name are set accordingly |
| 73 | * 0 otherwise |
| 74 | */ |
| 75 | int fit_parse_conf(const char *spec, ulong addr_curr, |
| 76 | ulong *addr, const char **conf_name) |
| 77 | { |
| 78 | return fit_parse_spec(spec, '#', addr_curr, addr, conf_name); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * fit_parse_subimage - parse FIT subimage spec |
| 83 | * @spec: input string, containing subimage spec |
| 84 | * @add_curr: current image address (to be used as a possible default) |
| 85 | * @addr: pointer to a ulong variable, will hold FIT image address of a given |
| 86 | * subimage |
| 87 | * @image_name: double pointer to a char, will hold pointer to a subimage name |
| 88 | * |
Masahiro Yamada | 069d594 | 2013-09-18 09:36:38 +0900 | [diff] [blame] | 89 | * fit_parse_subimage() expects subimage spec in the form of |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 90 | * [<addr>]:<subimage>, where <addr> is a FIT image address that contains |
| 91 | * subimage with a <subimg> unit name. |
| 92 | * |
| 93 | * Address part is optional, and if omitted default add_curr will |
| 94 | * be used instead. |
| 95 | * |
| 96 | * returns: |
| 97 | * 1 if spec is a valid subimage string, |
| 98 | * addr and image_name are set accordingly |
| 99 | * 0 otherwise |
| 100 | */ |
| 101 | int fit_parse_subimage(const char *spec, ulong addr_curr, |
| 102 | ulong *addr, const char **image_name) |
| 103 | { |
| 104 | return fit_parse_spec(spec, ':', addr_curr, addr, image_name); |
| 105 | } |
| 106 | #endif /* !USE_HOSTCC */ |
| 107 | |
| 108 | static void fit_get_debug(const void *fit, int noffset, |
| 109 | char *prop_name, int err) |
| 110 | { |
| 111 | debug("Can't get '%s' property from FIT 0x%08lx, node: offset %d, name %s (%s)\n", |
| 112 | prop_name, (ulong)fit, noffset, fit_get_name(fit, noffset, NULL), |
| 113 | fdt_strerror(err)); |
| 114 | } |
| 115 | |
Guilherme Maciel Ferreira | 39931f9 | 2015-01-15 02:54:42 -0200 | [diff] [blame] | 116 | /** |
| 117 | * fit_get_subimage_count - get component (sub-image) count |
| 118 | * @fit: pointer to the FIT format image header |
| 119 | * @images_noffset: offset of images node |
| 120 | * |
| 121 | * returns: |
| 122 | * number of image components |
| 123 | */ |
| 124 | int fit_get_subimage_count(const void *fit, int images_noffset) |
| 125 | { |
| 126 | int noffset; |
| 127 | int ndepth; |
| 128 | int count = 0; |
| 129 | |
| 130 | /* Process its subnodes, print out component images details */ |
| 131 | for (ndepth = 0, count = 0, |
| 132 | noffset = fdt_next_node(fit, images_noffset, &ndepth); |
| 133 | (noffset >= 0) && (ndepth > 0); |
| 134 | noffset = fdt_next_node(fit, noffset, &ndepth)) { |
| 135 | if (ndepth == 1) { |
| 136 | count++; |
| 137 | } |
| 138 | } |
| 139 | |
| 140 | return count; |
| 141 | } |
| 142 | |
Simon Glass | 87ebee3 | 2013-05-08 08:05:59 +0000 | [diff] [blame] | 143 | #if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT) |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 144 | /** |
| 145 | * fit_print_contents - prints out the contents of the FIT format image |
| 146 | * @fit: pointer to the FIT format image header |
| 147 | * @p: pointer to prefix string |
| 148 | * |
| 149 | * fit_print_contents() formats a multi line FIT image contents description. |
| 150 | * The routine prints out FIT image properties (root node level) follwed by |
| 151 | * the details of each component image. |
| 152 | * |
| 153 | * returns: |
| 154 | * no returned results |
| 155 | */ |
| 156 | void fit_print_contents(const void *fit) |
| 157 | { |
| 158 | char *desc; |
| 159 | char *uname; |
| 160 | int images_noffset; |
| 161 | int confs_noffset; |
| 162 | int noffset; |
| 163 | int ndepth; |
| 164 | int count = 0; |
| 165 | int ret; |
| 166 | const char *p; |
| 167 | time_t timestamp; |
| 168 | |
Simon Glass | 1fe7d93 | 2013-05-08 08:05:58 +0000 | [diff] [blame] | 169 | /* Indent string is defined in header image.h */ |
| 170 | p = IMAGE_INDENT_STRING; |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 171 | |
| 172 | /* Root node properties */ |
| 173 | ret = fit_get_desc(fit, 0, &desc); |
| 174 | printf("%sFIT description: ", p); |
| 175 | if (ret) |
| 176 | printf("unavailable\n"); |
| 177 | else |
| 178 | printf("%s\n", desc); |
| 179 | |
| 180 | if (IMAGE_ENABLE_TIMESTAMP) { |
| 181 | ret = fit_get_timestamp(fit, 0, ×tamp); |
| 182 | printf("%sCreated: ", p); |
| 183 | if (ret) |
| 184 | printf("unavailable\n"); |
| 185 | else |
| 186 | genimg_print_time(timestamp); |
| 187 | } |
| 188 | |
| 189 | /* Find images parent node offset */ |
| 190 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); |
| 191 | if (images_noffset < 0) { |
| 192 | printf("Can't find images parent node '%s' (%s)\n", |
| 193 | FIT_IMAGES_PATH, fdt_strerror(images_noffset)); |
| 194 | return; |
| 195 | } |
| 196 | |
| 197 | /* Process its subnodes, print out component images details */ |
| 198 | for (ndepth = 0, count = 0, |
| 199 | noffset = fdt_next_node(fit, images_noffset, &ndepth); |
| 200 | (noffset >= 0) && (ndepth > 0); |
| 201 | noffset = fdt_next_node(fit, noffset, &ndepth)) { |
| 202 | if (ndepth == 1) { |
| 203 | /* |
| 204 | * Direct child node of the images parent node, |
| 205 | * i.e. component image node. |
| 206 | */ |
| 207 | printf("%s Image %u (%s)\n", p, count++, |
| 208 | fit_get_name(fit, noffset, NULL)); |
| 209 | |
| 210 | fit_image_print(fit, noffset, p); |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | /* Find configurations parent node offset */ |
| 215 | confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); |
| 216 | if (confs_noffset < 0) { |
| 217 | debug("Can't get configurations parent node '%s' (%s)\n", |
| 218 | FIT_CONFS_PATH, fdt_strerror(confs_noffset)); |
| 219 | return; |
| 220 | } |
| 221 | |
| 222 | /* get default configuration unit name from default property */ |
| 223 | uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL); |
| 224 | if (uname) |
| 225 | printf("%s Default Configuration: '%s'\n", p, uname); |
| 226 | |
| 227 | /* Process its subnodes, print out configurations details */ |
| 228 | for (ndepth = 0, count = 0, |
| 229 | noffset = fdt_next_node(fit, confs_noffset, &ndepth); |
| 230 | (noffset >= 0) && (ndepth > 0); |
| 231 | noffset = fdt_next_node(fit, noffset, &ndepth)) { |
| 232 | if (ndepth == 1) { |
| 233 | /* |
| 234 | * Direct child node of the configurations parent node, |
| 235 | * i.e. configuration node. |
| 236 | */ |
| 237 | printf("%s Configuration %u (%s)\n", p, count++, |
| 238 | fit_get_name(fit, noffset, NULL)); |
| 239 | |
| 240 | fit_conf_print(fit, noffset, p); |
| 241 | } |
| 242 | } |
| 243 | } |
| 244 | |
| 245 | /** |
Simon Glass | d8b7536 | 2013-05-07 06:12:02 +0000 | [diff] [blame] | 246 | * fit_image_print_data() - prints out the hash node details |
| 247 | * @fit: pointer to the FIT format image header |
| 248 | * @noffset: offset of the hash node |
| 249 | * @p: pointer to prefix string |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 250 | * @type: Type of information to print ("hash" or "sign") |
Simon Glass | d8b7536 | 2013-05-07 06:12:02 +0000 | [diff] [blame] | 251 | * |
| 252 | * fit_image_print_data() lists properies for the processed hash node |
| 253 | * |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 254 | * This function avoid using puts() since it prints a newline on the host |
| 255 | * but does not in U-Boot. |
| 256 | * |
Simon Glass | d8b7536 | 2013-05-07 06:12:02 +0000 | [diff] [blame] | 257 | * returns: |
| 258 | * no returned results |
| 259 | */ |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 260 | static void fit_image_print_data(const void *fit, int noffset, const char *p, |
| 261 | const char *type) |
Simon Glass | d8b7536 | 2013-05-07 06:12:02 +0000 | [diff] [blame] | 262 | { |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 263 | const char *keyname; |
Simon Glass | d8b7536 | 2013-05-07 06:12:02 +0000 | [diff] [blame] | 264 | uint8_t *value; |
| 265 | int value_len; |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 266 | char *algo; |
| 267 | int required; |
| 268 | int ret, i; |
Simon Glass | d8b7536 | 2013-05-07 06:12:02 +0000 | [diff] [blame] | 269 | |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 270 | debug("%s %s node: '%s'\n", p, type, |
Simon Glass | d8b7536 | 2013-05-07 06:12:02 +0000 | [diff] [blame] | 271 | fit_get_name(fit, noffset, NULL)); |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 272 | printf("%s %s algo: ", p, type); |
Simon Glass | d8b7536 | 2013-05-07 06:12:02 +0000 | [diff] [blame] | 273 | if (fit_image_hash_get_algo(fit, noffset, &algo)) { |
| 274 | printf("invalid/unsupported\n"); |
| 275 | return; |
| 276 | } |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 277 | printf("%s", algo); |
| 278 | keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL); |
| 279 | required = fdt_getprop(fit, noffset, "required", NULL) != NULL; |
| 280 | if (keyname) |
| 281 | printf(":%s", keyname); |
| 282 | if (required) |
| 283 | printf(" (required)"); |
| 284 | printf("\n"); |
Simon Glass | d8b7536 | 2013-05-07 06:12:02 +0000 | [diff] [blame] | 285 | |
| 286 | ret = fit_image_hash_get_value(fit, noffset, &value, |
| 287 | &value_len); |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 288 | printf("%s %s value: ", p, type); |
Simon Glass | d8b7536 | 2013-05-07 06:12:02 +0000 | [diff] [blame] | 289 | if (ret) { |
| 290 | printf("unavailable\n"); |
| 291 | } else { |
| 292 | for (i = 0; i < value_len; i++) |
| 293 | printf("%02x", value[i]); |
| 294 | printf("\n"); |
| 295 | } |
| 296 | |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 297 | debug("%s %s len: %d\n", p, type, value_len); |
| 298 | |
| 299 | /* Signatures have a time stamp */ |
| 300 | if (IMAGE_ENABLE_TIMESTAMP && keyname) { |
| 301 | time_t timestamp; |
| 302 | |
| 303 | printf("%s Timestamp: ", p); |
| 304 | if (fit_get_timestamp(fit, noffset, ×tamp)) |
| 305 | printf("unavailable\n"); |
| 306 | else |
| 307 | genimg_print_time(timestamp); |
| 308 | } |
Simon Glass | d8b7536 | 2013-05-07 06:12:02 +0000 | [diff] [blame] | 309 | } |
| 310 | |
| 311 | /** |
| 312 | * fit_image_print_verification_data() - prints out the hash/signature details |
| 313 | * @fit: pointer to the FIT format image header |
| 314 | * @noffset: offset of the hash or signature node |
| 315 | * @p: pointer to prefix string |
| 316 | * |
| 317 | * This lists properies for the processed hash node |
| 318 | * |
| 319 | * returns: |
| 320 | * no returned results |
| 321 | */ |
| 322 | static void fit_image_print_verification_data(const void *fit, int noffset, |
| 323 | const char *p) |
| 324 | { |
| 325 | const char *name; |
| 326 | |
| 327 | /* |
| 328 | * Check subnode name, must be equal to "hash" or "signature". |
| 329 | * Multiple hash/signature nodes require unique unit node |
| 330 | * names, e.g. hash@1, hash@2, signature@1, signature@2, etc. |
| 331 | */ |
| 332 | name = fit_get_name(fit, noffset, NULL); |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 333 | if (!strncmp(name, FIT_HASH_NODENAME, strlen(FIT_HASH_NODENAME))) { |
| 334 | fit_image_print_data(fit, noffset, p, "Hash"); |
| 335 | } else if (!strncmp(name, FIT_SIG_NODENAME, |
| 336 | strlen(FIT_SIG_NODENAME))) { |
| 337 | fit_image_print_data(fit, noffset, p, "Sign"); |
| 338 | } |
Simon Glass | d8b7536 | 2013-05-07 06:12:02 +0000 | [diff] [blame] | 339 | } |
| 340 | |
| 341 | /** |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 342 | * fit_image_print - prints out the FIT component image details |
| 343 | * @fit: pointer to the FIT format image header |
| 344 | * @image_noffset: offset of the component image node |
| 345 | * @p: pointer to prefix string |
| 346 | * |
| 347 | * fit_image_print() lists all mandatory properies for the processed component |
| 348 | * image. If present, hash nodes are printed out as well. Load |
| 349 | * address for images of type firmware is also printed out. Since the load |
| 350 | * address is not mandatory for firmware images, it will be output as |
| 351 | * "unavailable" when not present. |
| 352 | * |
| 353 | * returns: |
| 354 | * no returned results |
| 355 | */ |
| 356 | void fit_image_print(const void *fit, int image_noffset, const char *p) |
| 357 | { |
| 358 | char *desc; |
| 359 | uint8_t type, arch, os, comp; |
| 360 | size_t size; |
| 361 | ulong load, entry; |
| 362 | const void *data; |
| 363 | int noffset; |
| 364 | int ndepth; |
| 365 | int ret; |
| 366 | |
| 367 | /* Mandatory properties */ |
| 368 | ret = fit_get_desc(fit, image_noffset, &desc); |
| 369 | printf("%s Description: ", p); |
| 370 | if (ret) |
| 371 | printf("unavailable\n"); |
| 372 | else |
| 373 | printf("%s\n", desc); |
| 374 | |
Simon Glass | 1fd1e2f | 2013-07-16 20:10:01 -0700 | [diff] [blame] | 375 | if (IMAGE_ENABLE_TIMESTAMP) { |
| 376 | time_t timestamp; |
| 377 | |
| 378 | ret = fit_get_timestamp(fit, 0, ×tamp); |
| 379 | printf("%s Created: ", p); |
| 380 | if (ret) |
| 381 | printf("unavailable\n"); |
| 382 | else |
| 383 | genimg_print_time(timestamp); |
| 384 | } |
| 385 | |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 386 | fit_image_get_type(fit, image_noffset, &type); |
| 387 | printf("%s Type: %s\n", p, genimg_get_type_name(type)); |
| 388 | |
| 389 | fit_image_get_comp(fit, image_noffset, &comp); |
| 390 | printf("%s Compression: %s\n", p, genimg_get_comp_name(comp)); |
| 391 | |
| 392 | ret = fit_image_get_data(fit, image_noffset, &data, &size); |
| 393 | |
| 394 | #ifndef USE_HOSTCC |
| 395 | printf("%s Data Start: ", p); |
Simon Glass | c6ac13b | 2013-05-16 13:53:26 +0000 | [diff] [blame] | 396 | if (ret) { |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 397 | printf("unavailable\n"); |
Simon Glass | c6ac13b | 2013-05-16 13:53:26 +0000 | [diff] [blame] | 398 | } else { |
| 399 | void *vdata = (void *)data; |
| 400 | |
| 401 | printf("0x%08lx\n", (ulong)map_to_sysmem(vdata)); |
| 402 | } |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 403 | #endif |
| 404 | |
| 405 | printf("%s Data Size: ", p); |
| 406 | if (ret) |
| 407 | printf("unavailable\n"); |
| 408 | else |
| 409 | genimg_print_size(size); |
| 410 | |
| 411 | /* Remaining, type dependent properties */ |
| 412 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || |
| 413 | (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || |
| 414 | (type == IH_TYPE_FLATDT)) { |
| 415 | fit_image_get_arch(fit, image_noffset, &arch); |
| 416 | printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch)); |
| 417 | } |
| 418 | |
| 419 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK)) { |
| 420 | fit_image_get_os(fit, image_noffset, &os); |
| 421 | printf("%s OS: %s\n", p, genimg_get_os_name(os)); |
| 422 | } |
| 423 | |
| 424 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || |
| 425 | (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK)) { |
| 426 | ret = fit_image_get_load(fit, image_noffset, &load); |
| 427 | printf("%s Load Address: ", p); |
| 428 | if (ret) |
| 429 | printf("unavailable\n"); |
| 430 | else |
| 431 | printf("0x%08lx\n", load); |
| 432 | } |
| 433 | |
| 434 | if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || |
| 435 | (type == IH_TYPE_RAMDISK)) { |
| 436 | fit_image_get_entry(fit, image_noffset, &entry); |
| 437 | printf("%s Entry Point: ", p); |
| 438 | if (ret) |
| 439 | printf("unavailable\n"); |
| 440 | else |
| 441 | printf("0x%08lx\n", entry); |
| 442 | } |
| 443 | |
| 444 | /* Process all hash subnodes of the component image node */ |
| 445 | for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth); |
| 446 | (noffset >= 0) && (ndepth > 0); |
| 447 | noffset = fdt_next_node(fit, noffset, &ndepth)) { |
| 448 | if (ndepth == 1) { |
| 449 | /* Direct child node of the component image node */ |
Simon Glass | d8b7536 | 2013-05-07 06:12:02 +0000 | [diff] [blame] | 450 | fit_image_print_verification_data(fit, noffset, p); |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 451 | } |
| 452 | } |
| 453 | } |
Guilherme Maciel Ferreira | 39931f9 | 2015-01-15 02:54:42 -0200 | [diff] [blame] | 454 | |
| 455 | #endif /* !defined(CONFIG_SPL_BUILD) || defined(CONFIG_FIT_SPL_PRINT) */ |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 456 | |
| 457 | /** |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 458 | * fit_get_desc - get node description property |
| 459 | * @fit: pointer to the FIT format image header |
| 460 | * @noffset: node offset |
| 461 | * @desc: double pointer to the char, will hold pointer to the descrption |
| 462 | * |
| 463 | * fit_get_desc() reads description property from a given node, if |
| 464 | * description is found pointer to it is returened in third call argument. |
| 465 | * |
| 466 | * returns: |
| 467 | * 0, on success |
| 468 | * -1, on failure |
| 469 | */ |
| 470 | int fit_get_desc(const void *fit, int noffset, char **desc) |
| 471 | { |
| 472 | int len; |
| 473 | |
| 474 | *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len); |
| 475 | if (*desc == NULL) { |
| 476 | fit_get_debug(fit, noffset, FIT_DESC_PROP, len); |
| 477 | return -1; |
| 478 | } |
| 479 | |
| 480 | return 0; |
| 481 | } |
| 482 | |
| 483 | /** |
| 484 | * fit_get_timestamp - get node timestamp property |
| 485 | * @fit: pointer to the FIT format image header |
| 486 | * @noffset: node offset |
| 487 | * @timestamp: pointer to the time_t, will hold read timestamp |
| 488 | * |
| 489 | * fit_get_timestamp() reads timestamp poperty from given node, if timestamp |
| 490 | * is found and has a correct size its value is retured in third call |
| 491 | * argument. |
| 492 | * |
| 493 | * returns: |
| 494 | * 0, on success |
| 495 | * -1, on property read failure |
| 496 | * -2, on wrong timestamp size |
| 497 | */ |
| 498 | int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp) |
| 499 | { |
| 500 | int len; |
| 501 | const void *data; |
| 502 | |
| 503 | data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len); |
| 504 | if (data == NULL) { |
| 505 | fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len); |
| 506 | return -1; |
| 507 | } |
| 508 | if (len != sizeof(uint32_t)) { |
| 509 | debug("FIT timestamp with incorrect size of (%u)\n", len); |
| 510 | return -2; |
| 511 | } |
| 512 | |
| 513 | *timestamp = uimage_to_cpu(*((uint32_t *)data)); |
| 514 | return 0; |
| 515 | } |
| 516 | |
| 517 | /** |
| 518 | * fit_image_get_node - get node offset for component image of a given unit name |
| 519 | * @fit: pointer to the FIT format image header |
| 520 | * @image_uname: component image node unit name |
| 521 | * |
| 522 | * fit_image_get_node() finds a component image (withing the '/images' |
| 523 | * node) of a provided unit name. If image is found its node offset is |
| 524 | * returned to the caller. |
| 525 | * |
| 526 | * returns: |
| 527 | * image node offset when found (>=0) |
| 528 | * negative number on failure (FDT_ERR_* code) |
| 529 | */ |
| 530 | int fit_image_get_node(const void *fit, const char *image_uname) |
| 531 | { |
| 532 | int noffset, images_noffset; |
| 533 | |
| 534 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); |
| 535 | if (images_noffset < 0) { |
| 536 | debug("Can't find images parent node '%s' (%s)\n", |
| 537 | FIT_IMAGES_PATH, fdt_strerror(images_noffset)); |
| 538 | return images_noffset; |
| 539 | } |
| 540 | |
| 541 | noffset = fdt_subnode_offset(fit, images_noffset, image_uname); |
| 542 | if (noffset < 0) { |
| 543 | debug("Can't get node offset for image unit name: '%s' (%s)\n", |
| 544 | image_uname, fdt_strerror(noffset)); |
| 545 | } |
| 546 | |
| 547 | return noffset; |
| 548 | } |
| 549 | |
| 550 | /** |
| 551 | * fit_image_get_os - get os id for a given component image node |
| 552 | * @fit: pointer to the FIT format image header |
| 553 | * @noffset: component image node offset |
| 554 | * @os: pointer to the uint8_t, will hold os numeric id |
| 555 | * |
| 556 | * fit_image_get_os() finds os property in a given component image node. |
| 557 | * If the property is found, its (string) value is translated to the numeric |
| 558 | * id which is returned to the caller. |
| 559 | * |
| 560 | * returns: |
| 561 | * 0, on success |
| 562 | * -1, on failure |
| 563 | */ |
| 564 | int fit_image_get_os(const void *fit, int noffset, uint8_t *os) |
| 565 | { |
| 566 | int len; |
| 567 | const void *data; |
| 568 | |
| 569 | /* Get OS name from property data */ |
| 570 | data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len); |
| 571 | if (data == NULL) { |
| 572 | fit_get_debug(fit, noffset, FIT_OS_PROP, len); |
| 573 | *os = -1; |
| 574 | return -1; |
| 575 | } |
| 576 | |
| 577 | /* Translate OS name to id */ |
| 578 | *os = genimg_get_os_id(data); |
| 579 | return 0; |
| 580 | } |
| 581 | |
| 582 | /** |
| 583 | * fit_image_get_arch - get arch id for a given component image node |
| 584 | * @fit: pointer to the FIT format image header |
| 585 | * @noffset: component image node offset |
| 586 | * @arch: pointer to the uint8_t, will hold arch numeric id |
| 587 | * |
| 588 | * fit_image_get_arch() finds arch property in a given component image node. |
| 589 | * If the property is found, its (string) value is translated to the numeric |
| 590 | * id which is returned to the caller. |
| 591 | * |
| 592 | * returns: |
| 593 | * 0, on success |
| 594 | * -1, on failure |
| 595 | */ |
| 596 | int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch) |
| 597 | { |
| 598 | int len; |
| 599 | const void *data; |
| 600 | |
| 601 | /* Get architecture name from property data */ |
| 602 | data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len); |
| 603 | if (data == NULL) { |
| 604 | fit_get_debug(fit, noffset, FIT_ARCH_PROP, len); |
| 605 | *arch = -1; |
| 606 | return -1; |
| 607 | } |
| 608 | |
| 609 | /* Translate architecture name to id */ |
| 610 | *arch = genimg_get_arch_id(data); |
| 611 | return 0; |
| 612 | } |
| 613 | |
| 614 | /** |
| 615 | * fit_image_get_type - get type id for a given component image node |
| 616 | * @fit: pointer to the FIT format image header |
| 617 | * @noffset: component image node offset |
| 618 | * @type: pointer to the uint8_t, will hold type numeric id |
| 619 | * |
| 620 | * fit_image_get_type() finds type property in a given component image node. |
| 621 | * If the property is found, its (string) value is translated to the numeric |
| 622 | * id which is returned to the caller. |
| 623 | * |
| 624 | * returns: |
| 625 | * 0, on success |
| 626 | * -1, on failure |
| 627 | */ |
| 628 | int fit_image_get_type(const void *fit, int noffset, uint8_t *type) |
| 629 | { |
| 630 | int len; |
| 631 | const void *data; |
| 632 | |
| 633 | /* Get image type name from property data */ |
| 634 | data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len); |
| 635 | if (data == NULL) { |
| 636 | fit_get_debug(fit, noffset, FIT_TYPE_PROP, len); |
| 637 | *type = -1; |
| 638 | return -1; |
| 639 | } |
| 640 | |
| 641 | /* Translate image type name to id */ |
| 642 | *type = genimg_get_type_id(data); |
| 643 | return 0; |
| 644 | } |
| 645 | |
| 646 | /** |
| 647 | * fit_image_get_comp - get comp id for a given component image node |
| 648 | * @fit: pointer to the FIT format image header |
| 649 | * @noffset: component image node offset |
| 650 | * @comp: pointer to the uint8_t, will hold comp numeric id |
| 651 | * |
| 652 | * fit_image_get_comp() finds comp property in a given component image node. |
| 653 | * If the property is found, its (string) value is translated to the numeric |
| 654 | * id which is returned to the caller. |
| 655 | * |
| 656 | * returns: |
| 657 | * 0, on success |
| 658 | * -1, on failure |
| 659 | */ |
| 660 | int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp) |
| 661 | { |
| 662 | int len; |
| 663 | const void *data; |
| 664 | |
| 665 | /* Get compression name from property data */ |
| 666 | data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len); |
| 667 | if (data == NULL) { |
| 668 | fit_get_debug(fit, noffset, FIT_COMP_PROP, len); |
| 669 | *comp = -1; |
| 670 | return -1; |
| 671 | } |
| 672 | |
| 673 | /* Translate compression name to id */ |
| 674 | *comp = genimg_get_comp_id(data); |
| 675 | return 0; |
| 676 | } |
| 677 | |
| 678 | /** |
| 679 | * fit_image_get_load() - get load addr property for given component image node |
| 680 | * @fit: pointer to the FIT format image header |
| 681 | * @noffset: component image node offset |
| 682 | * @load: pointer to the uint32_t, will hold load address |
| 683 | * |
| 684 | * fit_image_get_load() finds load address property in a given component |
| 685 | * image node. If the property is found, its value is returned to the caller. |
| 686 | * |
| 687 | * returns: |
| 688 | * 0, on success |
| 689 | * -1, on failure |
| 690 | */ |
| 691 | int fit_image_get_load(const void *fit, int noffset, ulong *load) |
| 692 | { |
| 693 | int len; |
| 694 | const uint32_t *data; |
| 695 | |
| 696 | data = fdt_getprop(fit, noffset, FIT_LOAD_PROP, &len); |
| 697 | if (data == NULL) { |
| 698 | fit_get_debug(fit, noffset, FIT_LOAD_PROP, len); |
| 699 | return -1; |
| 700 | } |
| 701 | |
| 702 | *load = uimage_to_cpu(*data); |
| 703 | return 0; |
| 704 | } |
| 705 | |
| 706 | /** |
| 707 | * fit_image_get_entry() - get entry point address property |
| 708 | * @fit: pointer to the FIT format image header |
| 709 | * @noffset: component image node offset |
| 710 | * @entry: pointer to the uint32_t, will hold entry point address |
| 711 | * |
| 712 | * This gets the entry point address property for a given component image |
| 713 | * node. |
| 714 | * |
| 715 | * fit_image_get_entry() finds entry point address property in a given |
| 716 | * component image node. If the property is found, its value is returned |
| 717 | * to the caller. |
| 718 | * |
| 719 | * returns: |
| 720 | * 0, on success |
| 721 | * -1, on failure |
| 722 | */ |
| 723 | int fit_image_get_entry(const void *fit, int noffset, ulong *entry) |
| 724 | { |
| 725 | int len; |
| 726 | const uint32_t *data; |
| 727 | |
| 728 | data = fdt_getprop(fit, noffset, FIT_ENTRY_PROP, &len); |
| 729 | if (data == NULL) { |
| 730 | fit_get_debug(fit, noffset, FIT_ENTRY_PROP, len); |
| 731 | return -1; |
| 732 | } |
| 733 | |
| 734 | *entry = uimage_to_cpu(*data); |
| 735 | return 0; |
| 736 | } |
| 737 | |
| 738 | /** |
| 739 | * fit_image_get_data - get data property and its size for a given component image node |
| 740 | * @fit: pointer to the FIT format image header |
| 741 | * @noffset: component image node offset |
| 742 | * @data: double pointer to void, will hold data property's data address |
| 743 | * @size: pointer to size_t, will hold data property's data size |
| 744 | * |
| 745 | * fit_image_get_data() finds data property in a given component image node. |
| 746 | * If the property is found its data start address and size are returned to |
| 747 | * the caller. |
| 748 | * |
| 749 | * returns: |
| 750 | * 0, on success |
| 751 | * -1, on failure |
| 752 | */ |
| 753 | int fit_image_get_data(const void *fit, int noffset, |
| 754 | const void **data, size_t *size) |
| 755 | { |
| 756 | int len; |
| 757 | |
| 758 | *data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len); |
| 759 | if (*data == NULL) { |
| 760 | fit_get_debug(fit, noffset, FIT_DATA_PROP, len); |
| 761 | *size = 0; |
| 762 | return -1; |
| 763 | } |
| 764 | |
| 765 | *size = len; |
| 766 | return 0; |
| 767 | } |
| 768 | |
| 769 | /** |
| 770 | * fit_image_hash_get_algo - get hash algorithm name |
| 771 | * @fit: pointer to the FIT format image header |
| 772 | * @noffset: hash node offset |
| 773 | * @algo: double pointer to char, will hold pointer to the algorithm name |
| 774 | * |
| 775 | * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. |
| 776 | * If the property is found its data start address is returned to the caller. |
| 777 | * |
| 778 | * returns: |
| 779 | * 0, on success |
| 780 | * -1, on failure |
| 781 | */ |
| 782 | int fit_image_hash_get_algo(const void *fit, int noffset, char **algo) |
| 783 | { |
| 784 | int len; |
| 785 | |
| 786 | *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len); |
| 787 | if (*algo == NULL) { |
| 788 | fit_get_debug(fit, noffset, FIT_ALGO_PROP, len); |
| 789 | return -1; |
| 790 | } |
| 791 | |
| 792 | return 0; |
| 793 | } |
| 794 | |
| 795 | /** |
| 796 | * fit_image_hash_get_value - get hash value and length |
| 797 | * @fit: pointer to the FIT format image header |
| 798 | * @noffset: hash node offset |
| 799 | * @value: double pointer to uint8_t, will hold address of a hash value data |
| 800 | * @value_len: pointer to an int, will hold hash data length |
| 801 | * |
| 802 | * fit_image_hash_get_value() finds hash value property in a given hash node. |
| 803 | * If the property is found its data start address and size are returned to |
| 804 | * the caller. |
| 805 | * |
| 806 | * returns: |
| 807 | * 0, on success |
| 808 | * -1, on failure |
| 809 | */ |
| 810 | int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value, |
| 811 | int *value_len) |
| 812 | { |
| 813 | int len; |
| 814 | |
| 815 | *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len); |
| 816 | if (*value == NULL) { |
| 817 | fit_get_debug(fit, noffset, FIT_VALUE_PROP, len); |
| 818 | *value_len = 0; |
| 819 | return -1; |
| 820 | } |
| 821 | |
| 822 | *value_len = len; |
| 823 | return 0; |
| 824 | } |
| 825 | |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 826 | /** |
| 827 | * fit_image_hash_get_ignore - get hash ignore flag |
| 828 | * @fit: pointer to the FIT format image header |
| 829 | * @noffset: hash node offset |
| 830 | * @ignore: pointer to an int, will hold hash ignore flag |
| 831 | * |
| 832 | * fit_image_hash_get_ignore() finds hash ignore property in a given hash node. |
| 833 | * If the property is found and non-zero, the hash algorithm is not verified by |
| 834 | * u-boot automatically. |
| 835 | * |
| 836 | * returns: |
| 837 | * 0, on ignore not found |
| 838 | * value, on ignore found |
| 839 | */ |
Simon Glass | ab9efc6 | 2013-05-07 06:11:58 +0000 | [diff] [blame] | 840 | static int fit_image_hash_get_ignore(const void *fit, int noffset, int *ignore) |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 841 | { |
| 842 | int len; |
| 843 | int *value; |
| 844 | |
| 845 | value = (int *)fdt_getprop(fit, noffset, FIT_IGNORE_PROP, &len); |
| 846 | if (value == NULL || len != sizeof(int)) |
| 847 | *ignore = 0; |
| 848 | else |
| 849 | *ignore = *value; |
| 850 | |
| 851 | return 0; |
| 852 | } |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 853 | |
| 854 | /** |
| 855 | * fit_set_timestamp - set node timestamp property |
| 856 | * @fit: pointer to the FIT format image header |
| 857 | * @noffset: node offset |
| 858 | * @timestamp: timestamp value to be set |
| 859 | * |
| 860 | * fit_set_timestamp() attempts to set timestamp property in the requested |
| 861 | * node and returns operation status to the caller. |
| 862 | * |
| 863 | * returns: |
| 864 | * 0, on success |
Simon Glass | 4f427a4 | 2014-06-02 22:04:51 -0600 | [diff] [blame] | 865 | * -ENOSPC if no space in device tree, -1 for other error |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 866 | */ |
| 867 | int fit_set_timestamp(void *fit, int noffset, time_t timestamp) |
| 868 | { |
| 869 | uint32_t t; |
| 870 | int ret; |
| 871 | |
| 872 | t = cpu_to_uimage(timestamp); |
| 873 | ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t, |
| 874 | sizeof(uint32_t)); |
| 875 | if (ret) { |
| 876 | printf("Can't set '%s' property for '%s' node (%s)\n", |
| 877 | FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL), |
| 878 | fdt_strerror(ret)); |
Simon Glass | 4f427a4 | 2014-06-02 22:04:51 -0600 | [diff] [blame] | 879 | return ret == -FDT_ERR_NOSPACE ? -ENOSPC : -1; |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 880 | } |
| 881 | |
| 882 | return 0; |
| 883 | } |
| 884 | |
| 885 | /** |
| 886 | * calculate_hash - calculate and return hash for provided input data |
| 887 | * @data: pointer to the input data |
| 888 | * @data_len: data length |
| 889 | * @algo: requested hash algorithm |
| 890 | * @value: pointer to the char, will hold hash value data (caller must |
| 891 | * allocate enough free space) |
| 892 | * value_len: length of the calculated hash |
| 893 | * |
| 894 | * calculate_hash() computes input data hash according to the requested |
| 895 | * algorithm. |
| 896 | * Resulting hash value is placed in caller provided 'value' buffer, length |
| 897 | * of the calculated hash is returned via value_len pointer argument. |
| 898 | * |
| 899 | * returns: |
| 900 | * 0, on success |
| 901 | * -1, when algo is unsupported |
| 902 | */ |
Simon Glass | 604f23d | 2013-05-07 06:11:54 +0000 | [diff] [blame] | 903 | int calculate_hash(const void *data, int data_len, const char *algo, |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 904 | uint8_t *value, int *value_len) |
| 905 | { |
Simon Glass | 87ebee3 | 2013-05-08 08:05:59 +0000 | [diff] [blame] | 906 | if (IMAGE_ENABLE_CRC32 && strcmp(algo, "crc32") == 0) { |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 907 | *((uint32_t *)value) = crc32_wd(0, data, data_len, |
| 908 | CHUNKSZ_CRC32); |
| 909 | *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value)); |
| 910 | *value_len = 4; |
Simon Glass | 87ebee3 | 2013-05-08 08:05:59 +0000 | [diff] [blame] | 911 | } else if (IMAGE_ENABLE_SHA1 && strcmp(algo, "sha1") == 0) { |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 912 | sha1_csum_wd((unsigned char *)data, data_len, |
| 913 | (unsigned char *)value, CHUNKSZ_SHA1); |
| 914 | *value_len = 20; |
Heiko Schocher | 2842c1c | 2014-03-03 12:19:25 +0100 | [diff] [blame] | 915 | } else if (IMAGE_ENABLE_SHA256 && strcmp(algo, "sha256") == 0) { |
| 916 | sha256_csum_wd((unsigned char *)data, data_len, |
| 917 | (unsigned char *)value, CHUNKSZ_SHA256); |
| 918 | *value_len = SHA256_SUM_LEN; |
Simon Glass | 87ebee3 | 2013-05-08 08:05:59 +0000 | [diff] [blame] | 919 | } else if (IMAGE_ENABLE_MD5 && strcmp(algo, "md5") == 0) { |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 920 | md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5); |
| 921 | *value_len = 16; |
| 922 | } else { |
| 923 | debug("Unsupported hash alogrithm\n"); |
| 924 | return -1; |
| 925 | } |
| 926 | return 0; |
| 927 | } |
| 928 | |
Simon Glass | ab9efc6 | 2013-05-07 06:11:58 +0000 | [diff] [blame] | 929 | static int fit_image_check_hash(const void *fit, int noffset, const void *data, |
| 930 | size_t size, char **err_msgp) |
| 931 | { |
| 932 | uint8_t value[FIT_MAX_HASH_LEN]; |
| 933 | int value_len; |
| 934 | char *algo; |
| 935 | uint8_t *fit_value; |
| 936 | int fit_value_len; |
| 937 | int ignore; |
| 938 | |
| 939 | *err_msgp = NULL; |
| 940 | |
| 941 | if (fit_image_hash_get_algo(fit, noffset, &algo)) { |
Simon Glass | e754da2 | 2013-05-07 06:11:59 +0000 | [diff] [blame] | 942 | *err_msgp = "Can't get hash algo property"; |
Simon Glass | ab9efc6 | 2013-05-07 06:11:58 +0000 | [diff] [blame] | 943 | return -1; |
| 944 | } |
| 945 | printf("%s", algo); |
| 946 | |
| 947 | if (IMAGE_ENABLE_IGNORE) { |
| 948 | fit_image_hash_get_ignore(fit, noffset, &ignore); |
| 949 | if (ignore) { |
| 950 | printf("-skipped "); |
| 951 | return 0; |
| 952 | } |
| 953 | } |
| 954 | |
| 955 | if (fit_image_hash_get_value(fit, noffset, &fit_value, |
| 956 | &fit_value_len)) { |
Simon Glass | e754da2 | 2013-05-07 06:11:59 +0000 | [diff] [blame] | 957 | *err_msgp = "Can't get hash value property"; |
Simon Glass | ab9efc6 | 2013-05-07 06:11:58 +0000 | [diff] [blame] | 958 | return -1; |
| 959 | } |
| 960 | |
| 961 | if (calculate_hash(data, size, algo, value, &value_len)) { |
Simon Glass | e754da2 | 2013-05-07 06:11:59 +0000 | [diff] [blame] | 962 | *err_msgp = "Unsupported hash algorithm"; |
Simon Glass | ab9efc6 | 2013-05-07 06:11:58 +0000 | [diff] [blame] | 963 | return -1; |
| 964 | } |
| 965 | |
| 966 | if (value_len != fit_value_len) { |
Simon Glass | e754da2 | 2013-05-07 06:11:59 +0000 | [diff] [blame] | 967 | *err_msgp = "Bad hash value len"; |
Simon Glass | ab9efc6 | 2013-05-07 06:11:58 +0000 | [diff] [blame] | 968 | return -1; |
| 969 | } else if (memcmp(value, fit_value, value_len) != 0) { |
Simon Glass | e754da2 | 2013-05-07 06:11:59 +0000 | [diff] [blame] | 970 | *err_msgp = "Bad hash value"; |
Simon Glass | ab9efc6 | 2013-05-07 06:11:58 +0000 | [diff] [blame] | 971 | return -1; |
| 972 | } |
| 973 | |
| 974 | return 0; |
| 975 | } |
| 976 | |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 977 | /** |
Simon Glass | b8da836 | 2013-05-07 06:11:57 +0000 | [diff] [blame] | 978 | * fit_image_verify - verify data intergity |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 979 | * @fit: pointer to the FIT format image header |
| 980 | * @image_noffset: component image node offset |
| 981 | * |
Simon Glass | b8da836 | 2013-05-07 06:11:57 +0000 | [diff] [blame] | 982 | * fit_image_verify() goes over component image hash nodes, |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 983 | * re-calculates each data hash and compares with the value stored in hash |
| 984 | * node. |
| 985 | * |
| 986 | * returns: |
| 987 | * 1, if all hashes are valid |
| 988 | * 0, otherwise (or on error) |
| 989 | */ |
Simon Glass | b8da836 | 2013-05-07 06:11:57 +0000 | [diff] [blame] | 990 | int fit_image_verify(const void *fit, int image_noffset) |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 991 | { |
| 992 | const void *data; |
| 993 | size_t size; |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 994 | int noffset = 0; |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 995 | char *err_msg = ""; |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 996 | int verify_all = 1; |
| 997 | int ret; |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 998 | |
| 999 | /* Get image data and data length */ |
| 1000 | if (fit_image_get_data(fit, image_noffset, &data, &size)) { |
Simon Glass | e754da2 | 2013-05-07 06:11:59 +0000 | [diff] [blame] | 1001 | err_msg = "Can't get image data/size"; |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 1002 | goto error; |
| 1003 | } |
| 1004 | |
| 1005 | /* Verify all required signatures */ |
| 1006 | if (IMAGE_ENABLE_VERIFY && |
| 1007 | fit_image_verify_required_sigs(fit, image_noffset, data, size, |
| 1008 | gd_fdt_blob(), &verify_all)) { |
| 1009 | err_msg = "Unable to verify required signature"; |
| 1010 | goto error; |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1011 | } |
| 1012 | |
| 1013 | /* Process all hash subnodes of the component image node */ |
Axel Lin | 364ac5b | 2015-02-07 09:12:39 +0800 | [diff] [blame] | 1014 | fdt_for_each_subnode(fit, noffset, image_noffset) { |
Simon Glass | ab9efc6 | 2013-05-07 06:11:58 +0000 | [diff] [blame] | 1015 | const char *name = fit_get_name(fit, noffset, NULL); |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1016 | |
Simon Glass | ab9efc6 | 2013-05-07 06:11:58 +0000 | [diff] [blame] | 1017 | /* |
| 1018 | * Check subnode name, must be equal to "hash". |
| 1019 | * Multiple hash nodes require unique unit node |
| 1020 | * names, e.g. hash@1, hash@2, etc. |
| 1021 | */ |
| 1022 | if (!strncmp(name, FIT_HASH_NODENAME, |
| 1023 | strlen(FIT_HASH_NODENAME))) { |
| 1024 | if (fit_image_check_hash(fit, noffset, data, size, |
| 1025 | &err_msg)) |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1026 | goto error; |
Simon Glass | ab9efc6 | 2013-05-07 06:11:58 +0000 | [diff] [blame] | 1027 | puts("+ "); |
Simon Glass | 56518e7 | 2013-06-13 15:10:01 -0700 | [diff] [blame] | 1028 | } else if (IMAGE_ENABLE_VERIFY && verify_all && |
| 1029 | !strncmp(name, FIT_SIG_NODENAME, |
| 1030 | strlen(FIT_SIG_NODENAME))) { |
| 1031 | ret = fit_image_check_sig(fit, noffset, data, |
| 1032 | size, -1, &err_msg); |
| 1033 | if (ret) |
| 1034 | puts("- "); |
| 1035 | else |
| 1036 | puts("+ "); |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1037 | } |
| 1038 | } |
| 1039 | |
| 1040 | if (noffset == -FDT_ERR_TRUNCATED || noffset == -FDT_ERR_BADSTRUCTURE) { |
Simon Glass | e754da2 | 2013-05-07 06:11:59 +0000 | [diff] [blame] | 1041 | err_msg = "Corrupted or truncated tree"; |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1042 | goto error; |
| 1043 | } |
| 1044 | |
| 1045 | return 1; |
| 1046 | |
| 1047 | error: |
Simon Glass | e754da2 | 2013-05-07 06:11:59 +0000 | [diff] [blame] | 1048 | printf(" error!\n%s for '%s' hash node in '%s' image node\n", |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1049 | err_msg, fit_get_name(fit, noffset, NULL), |
| 1050 | fit_get_name(fit, image_noffset, NULL)); |
| 1051 | return 0; |
| 1052 | } |
| 1053 | |
| 1054 | /** |
Simon Glass | b8da836 | 2013-05-07 06:11:57 +0000 | [diff] [blame] | 1055 | * fit_all_image_verify - verify data intergity for all images |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1056 | * @fit: pointer to the FIT format image header |
| 1057 | * |
Simon Glass | b8da836 | 2013-05-07 06:11:57 +0000 | [diff] [blame] | 1058 | * fit_all_image_verify() goes over all images in the FIT and |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1059 | * for every images checks if all it's hashes are valid. |
| 1060 | * |
| 1061 | * returns: |
| 1062 | * 1, if all hashes of all images are valid |
| 1063 | * 0, otherwise (or on error) |
| 1064 | */ |
Simon Glass | b8da836 | 2013-05-07 06:11:57 +0000 | [diff] [blame] | 1065 | int fit_all_image_verify(const void *fit) |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1066 | { |
| 1067 | int images_noffset; |
| 1068 | int noffset; |
| 1069 | int ndepth; |
| 1070 | int count; |
| 1071 | |
| 1072 | /* Find images parent node offset */ |
| 1073 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); |
| 1074 | if (images_noffset < 0) { |
| 1075 | printf("Can't find images parent node '%s' (%s)\n", |
| 1076 | FIT_IMAGES_PATH, fdt_strerror(images_noffset)); |
| 1077 | return 0; |
| 1078 | } |
| 1079 | |
| 1080 | /* Process all image subnodes, check hashes for each */ |
| 1081 | printf("## Checking hash(es) for FIT Image at %08lx ...\n", |
| 1082 | (ulong)fit); |
| 1083 | for (ndepth = 0, count = 0, |
| 1084 | noffset = fdt_next_node(fit, images_noffset, &ndepth); |
| 1085 | (noffset >= 0) && (ndepth > 0); |
| 1086 | noffset = fdt_next_node(fit, noffset, &ndepth)) { |
| 1087 | if (ndepth == 1) { |
| 1088 | /* |
| 1089 | * Direct child node of the images parent node, |
| 1090 | * i.e. component image node. |
| 1091 | */ |
| 1092 | printf(" Hash(es) for Image %u (%s): ", count++, |
| 1093 | fit_get_name(fit, noffset, NULL)); |
| 1094 | |
Simon Glass | b8da836 | 2013-05-07 06:11:57 +0000 | [diff] [blame] | 1095 | if (!fit_image_verify(fit, noffset)) |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1096 | return 0; |
| 1097 | printf("\n"); |
| 1098 | } |
| 1099 | } |
| 1100 | return 1; |
| 1101 | } |
| 1102 | |
| 1103 | /** |
| 1104 | * fit_image_check_os - check whether image node is of a given os type |
| 1105 | * @fit: pointer to the FIT format image header |
| 1106 | * @noffset: component image node offset |
| 1107 | * @os: requested image os |
| 1108 | * |
| 1109 | * fit_image_check_os() reads image os property and compares its numeric |
| 1110 | * id with the requested os. Comparison result is returned to the caller. |
| 1111 | * |
| 1112 | * returns: |
| 1113 | * 1 if image is of given os type |
| 1114 | * 0 otherwise (or on error) |
| 1115 | */ |
| 1116 | int fit_image_check_os(const void *fit, int noffset, uint8_t os) |
| 1117 | { |
| 1118 | uint8_t image_os; |
| 1119 | |
| 1120 | if (fit_image_get_os(fit, noffset, &image_os)) |
| 1121 | return 0; |
| 1122 | return (os == image_os); |
| 1123 | } |
| 1124 | |
| 1125 | /** |
| 1126 | * fit_image_check_arch - check whether image node is of a given arch |
| 1127 | * @fit: pointer to the FIT format image header |
| 1128 | * @noffset: component image node offset |
| 1129 | * @arch: requested imagearch |
| 1130 | * |
| 1131 | * fit_image_check_arch() reads image arch property and compares its numeric |
| 1132 | * id with the requested arch. Comparison result is returned to the caller. |
| 1133 | * |
| 1134 | * returns: |
| 1135 | * 1 if image is of given arch |
| 1136 | * 0 otherwise (or on error) |
| 1137 | */ |
| 1138 | int fit_image_check_arch(const void *fit, int noffset, uint8_t arch) |
| 1139 | { |
| 1140 | uint8_t image_arch; |
| 1141 | |
| 1142 | if (fit_image_get_arch(fit, noffset, &image_arch)) |
| 1143 | return 0; |
Simon Glass | 5bda35c | 2014-10-10 08:21:57 -0600 | [diff] [blame] | 1144 | return (arch == image_arch) || |
| 1145 | (arch == IH_ARCH_I386 && image_arch == IH_ARCH_X86_64); |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1146 | } |
| 1147 | |
| 1148 | /** |
| 1149 | * fit_image_check_type - check whether image node is of a given type |
| 1150 | * @fit: pointer to the FIT format image header |
| 1151 | * @noffset: component image node offset |
| 1152 | * @type: requested image type |
| 1153 | * |
| 1154 | * fit_image_check_type() reads image type property and compares its numeric |
| 1155 | * id with the requested type. Comparison result is returned to the caller. |
| 1156 | * |
| 1157 | * returns: |
| 1158 | * 1 if image is of given type |
| 1159 | * 0 otherwise (or on error) |
| 1160 | */ |
| 1161 | int fit_image_check_type(const void *fit, int noffset, uint8_t type) |
| 1162 | { |
| 1163 | uint8_t image_type; |
| 1164 | |
| 1165 | if (fit_image_get_type(fit, noffset, &image_type)) |
| 1166 | return 0; |
| 1167 | return (type == image_type); |
| 1168 | } |
| 1169 | |
| 1170 | /** |
| 1171 | * fit_image_check_comp - check whether image node uses given compression |
| 1172 | * @fit: pointer to the FIT format image header |
| 1173 | * @noffset: component image node offset |
| 1174 | * @comp: requested image compression type |
| 1175 | * |
| 1176 | * fit_image_check_comp() reads image compression property and compares its |
| 1177 | * numeric id with the requested compression type. Comparison result is |
| 1178 | * returned to the caller. |
| 1179 | * |
| 1180 | * returns: |
| 1181 | * 1 if image uses requested compression |
| 1182 | * 0 otherwise (or on error) |
| 1183 | */ |
| 1184 | int fit_image_check_comp(const void *fit, int noffset, uint8_t comp) |
| 1185 | { |
| 1186 | uint8_t image_comp; |
| 1187 | |
| 1188 | if (fit_image_get_comp(fit, noffset, &image_comp)) |
| 1189 | return 0; |
| 1190 | return (comp == image_comp); |
| 1191 | } |
| 1192 | |
| 1193 | /** |
| 1194 | * fit_check_format - sanity check FIT image format |
| 1195 | * @fit: pointer to the FIT format image header |
| 1196 | * |
| 1197 | * fit_check_format() runs a basic sanity FIT image verification. |
| 1198 | * Routine checks for mandatory properties, nodes, etc. |
| 1199 | * |
| 1200 | * returns: |
| 1201 | * 1, on success |
| 1202 | * 0, on failure |
| 1203 | */ |
| 1204 | int fit_check_format(const void *fit) |
| 1205 | { |
| 1206 | /* mandatory / node 'description' property */ |
| 1207 | if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) { |
| 1208 | debug("Wrong FIT format: no description\n"); |
| 1209 | return 0; |
| 1210 | } |
| 1211 | |
| 1212 | if (IMAGE_ENABLE_TIMESTAMP) { |
| 1213 | /* mandatory / node 'timestamp' property */ |
| 1214 | if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { |
| 1215 | debug("Wrong FIT format: no timestamp\n"); |
| 1216 | return 0; |
| 1217 | } |
| 1218 | } |
| 1219 | |
| 1220 | /* mandatory subimages parent '/images' node */ |
| 1221 | if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) { |
| 1222 | debug("Wrong FIT format: no images parent node\n"); |
| 1223 | return 0; |
| 1224 | } |
| 1225 | |
| 1226 | return 1; |
| 1227 | } |
| 1228 | |
| 1229 | |
| 1230 | /** |
| 1231 | * fit_conf_find_compat |
| 1232 | * @fit: pointer to the FIT format image header |
| 1233 | * @fdt: pointer to the device tree to compare against |
| 1234 | * |
| 1235 | * fit_conf_find_compat() attempts to find the configuration whose fdt is the |
| 1236 | * most compatible with the passed in device tree. |
| 1237 | * |
| 1238 | * Example: |
| 1239 | * |
| 1240 | * / o image-tree |
| 1241 | * |-o images |
| 1242 | * | |-o fdt@1 |
| 1243 | * | |-o fdt@2 |
| 1244 | * | |
| 1245 | * |-o configurations |
| 1246 | * |-o config@1 |
| 1247 | * | |-fdt = fdt@1 |
| 1248 | * | |
| 1249 | * |-o config@2 |
| 1250 | * |-fdt = fdt@2 |
| 1251 | * |
| 1252 | * / o U-Boot fdt |
| 1253 | * |-compatible = "foo,bar", "bim,bam" |
| 1254 | * |
| 1255 | * / o kernel fdt1 |
| 1256 | * |-compatible = "foo,bar", |
| 1257 | * |
| 1258 | * / o kernel fdt2 |
| 1259 | * |-compatible = "bim,bam", "baz,biz" |
| 1260 | * |
| 1261 | * Configuration 1 would be picked because the first string in U-Boot's |
| 1262 | * compatible list, "foo,bar", matches a compatible string in the root of fdt1. |
| 1263 | * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1. |
| 1264 | * |
| 1265 | * returns: |
| 1266 | * offset to the configuration to use if one was found |
| 1267 | * -1 otherwise |
| 1268 | */ |
| 1269 | int fit_conf_find_compat(const void *fit, const void *fdt) |
| 1270 | { |
| 1271 | int ndepth = 0; |
| 1272 | int noffset, confs_noffset, images_noffset; |
| 1273 | const void *fdt_compat; |
| 1274 | int fdt_compat_len; |
| 1275 | int best_match_offset = 0; |
| 1276 | int best_match_pos = 0; |
| 1277 | |
| 1278 | confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); |
| 1279 | images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); |
| 1280 | if (confs_noffset < 0 || images_noffset < 0) { |
| 1281 | debug("Can't find configurations or images nodes.\n"); |
| 1282 | return -1; |
| 1283 | } |
| 1284 | |
| 1285 | fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len); |
| 1286 | if (!fdt_compat) { |
| 1287 | debug("Fdt for comparison has no \"compatible\" property.\n"); |
| 1288 | return -1; |
| 1289 | } |
| 1290 | |
| 1291 | /* |
| 1292 | * Loop over the configurations in the FIT image. |
| 1293 | */ |
| 1294 | for (noffset = fdt_next_node(fit, confs_noffset, &ndepth); |
| 1295 | (noffset >= 0) && (ndepth > 0); |
| 1296 | noffset = fdt_next_node(fit, noffset, &ndepth)) { |
| 1297 | const void *kfdt; |
| 1298 | const char *kfdt_name; |
| 1299 | int kfdt_noffset; |
| 1300 | const char *cur_fdt_compat; |
| 1301 | int len; |
| 1302 | size_t size; |
| 1303 | int i; |
| 1304 | |
| 1305 | if (ndepth > 1) |
| 1306 | continue; |
| 1307 | |
| 1308 | kfdt_name = fdt_getprop(fit, noffset, "fdt", &len); |
| 1309 | if (!kfdt_name) { |
| 1310 | debug("No fdt property found.\n"); |
| 1311 | continue; |
| 1312 | } |
| 1313 | kfdt_noffset = fdt_subnode_offset(fit, images_noffset, |
| 1314 | kfdt_name); |
| 1315 | if (kfdt_noffset < 0) { |
| 1316 | debug("No image node named \"%s\" found.\n", |
| 1317 | kfdt_name); |
| 1318 | continue; |
| 1319 | } |
| 1320 | /* |
| 1321 | * Get a pointer to this configuration's fdt. |
| 1322 | */ |
| 1323 | if (fit_image_get_data(fit, kfdt_noffset, &kfdt, &size)) { |
| 1324 | debug("Failed to get fdt \"%s\".\n", kfdt_name); |
| 1325 | continue; |
| 1326 | } |
| 1327 | |
| 1328 | len = fdt_compat_len; |
| 1329 | cur_fdt_compat = fdt_compat; |
| 1330 | /* |
| 1331 | * Look for a match for each U-Boot compatibility string in |
| 1332 | * turn in this configuration's fdt. |
| 1333 | */ |
| 1334 | for (i = 0; len > 0 && |
| 1335 | (!best_match_offset || best_match_pos > i); i++) { |
| 1336 | int cur_len = strlen(cur_fdt_compat) + 1; |
| 1337 | |
| 1338 | if (!fdt_node_check_compatible(kfdt, 0, |
| 1339 | cur_fdt_compat)) { |
| 1340 | best_match_offset = noffset; |
| 1341 | best_match_pos = i; |
| 1342 | break; |
| 1343 | } |
| 1344 | len -= cur_len; |
| 1345 | cur_fdt_compat += cur_len; |
| 1346 | } |
| 1347 | } |
| 1348 | if (!best_match_offset) { |
| 1349 | debug("No match found.\n"); |
| 1350 | return -1; |
| 1351 | } |
| 1352 | |
| 1353 | return best_match_offset; |
| 1354 | } |
| 1355 | |
| 1356 | /** |
| 1357 | * fit_conf_get_node - get node offset for configuration of a given unit name |
| 1358 | * @fit: pointer to the FIT format image header |
| 1359 | * @conf_uname: configuration node unit name |
| 1360 | * |
| 1361 | * fit_conf_get_node() finds a configuration (withing the '/configurations' |
| 1362 | * parant node) of a provided unit name. If configuration is found its node |
| 1363 | * offset is returned to the caller. |
| 1364 | * |
| 1365 | * When NULL is provided in second argument fit_conf_get_node() will search |
| 1366 | * for a default configuration node instead. Default configuration node unit |
Robert P. J. Day | 1f8b546 | 2013-08-21 11:39:19 -0400 | [diff] [blame] | 1367 | * name is retrieved from FIT_DEFAULT_PROP property of the '/configurations' |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1368 | * node. |
| 1369 | * |
| 1370 | * returns: |
| 1371 | * configuration node offset when found (>=0) |
| 1372 | * negative number on failure (FDT_ERR_* code) |
| 1373 | */ |
| 1374 | int fit_conf_get_node(const void *fit, const char *conf_uname) |
| 1375 | { |
| 1376 | int noffset, confs_noffset; |
| 1377 | int len; |
| 1378 | |
| 1379 | confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); |
| 1380 | if (confs_noffset < 0) { |
| 1381 | debug("Can't find configurations parent node '%s' (%s)\n", |
| 1382 | FIT_CONFS_PATH, fdt_strerror(confs_noffset)); |
| 1383 | return confs_noffset; |
| 1384 | } |
| 1385 | |
| 1386 | if (conf_uname == NULL) { |
| 1387 | /* get configuration unit name from the default property */ |
| 1388 | debug("No configuration specified, trying default...\n"); |
| 1389 | conf_uname = (char *)fdt_getprop(fit, confs_noffset, |
| 1390 | FIT_DEFAULT_PROP, &len); |
| 1391 | if (conf_uname == NULL) { |
| 1392 | fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP, |
| 1393 | len); |
| 1394 | return len; |
| 1395 | } |
| 1396 | debug("Found default configuration: '%s'\n", conf_uname); |
| 1397 | } |
| 1398 | |
| 1399 | noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname); |
| 1400 | if (noffset < 0) { |
| 1401 | debug("Can't get node offset for configuration unit name: '%s' (%s)\n", |
| 1402 | conf_uname, fdt_strerror(noffset)); |
| 1403 | } |
| 1404 | |
| 1405 | return noffset; |
| 1406 | } |
| 1407 | |
Simon Glass | 003efd7 | 2013-05-07 06:12:00 +0000 | [diff] [blame] | 1408 | int fit_conf_get_prop_node(const void *fit, int noffset, |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1409 | const char *prop_name) |
| 1410 | { |
| 1411 | char *uname; |
| 1412 | int len; |
| 1413 | |
| 1414 | /* get kernel image unit name from configuration kernel property */ |
| 1415 | uname = (char *)fdt_getprop(fit, noffset, prop_name, &len); |
| 1416 | if (uname == NULL) |
| 1417 | return len; |
| 1418 | |
| 1419 | return fit_image_get_node(fit, uname); |
| 1420 | } |
| 1421 | |
| 1422 | /** |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1423 | * fit_conf_print - prints out the FIT configuration details |
| 1424 | * @fit: pointer to the FIT format image header |
| 1425 | * @noffset: offset of the configuration node |
| 1426 | * @p: pointer to prefix string |
| 1427 | * |
| 1428 | * fit_conf_print() lists all mandatory properies for the processed |
| 1429 | * configuration node. |
| 1430 | * |
| 1431 | * returns: |
| 1432 | * no returned results |
| 1433 | */ |
| 1434 | void fit_conf_print(const void *fit, int noffset, const char *p) |
| 1435 | { |
| 1436 | char *desc; |
| 1437 | char *uname; |
| 1438 | int ret; |
Karl Apsite | ecf8cd6 | 2015-05-21 09:52:47 -0400 | [diff] [blame] | 1439 | int loadables_index; |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1440 | |
| 1441 | /* Mandatory properties */ |
| 1442 | ret = fit_get_desc(fit, noffset, &desc); |
| 1443 | printf("%s Description: ", p); |
| 1444 | if (ret) |
| 1445 | printf("unavailable\n"); |
| 1446 | else |
| 1447 | printf("%s\n", desc); |
| 1448 | |
| 1449 | uname = (char *)fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL); |
| 1450 | printf("%s Kernel: ", p); |
| 1451 | if (uname == NULL) |
| 1452 | printf("unavailable\n"); |
| 1453 | else |
| 1454 | printf("%s\n", uname); |
| 1455 | |
| 1456 | /* Optional properties */ |
| 1457 | uname = (char *)fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL); |
| 1458 | if (uname) |
| 1459 | printf("%s Init Ramdisk: %s\n", p, uname); |
| 1460 | |
| 1461 | uname = (char *)fdt_getprop(fit, noffset, FIT_FDT_PROP, NULL); |
| 1462 | if (uname) |
| 1463 | printf("%s FDT: %s\n", p, uname); |
Karl Apsite | ecf8cd6 | 2015-05-21 09:52:47 -0400 | [diff] [blame] | 1464 | |
| 1465 | /* Print out all of the specified loadables */ |
| 1466 | for (loadables_index = 0; |
Hans de Goede | 5bcec54 | 2015-05-29 15:09:48 +0200 | [diff] [blame^] | 1467 | fdt_get_string_index(fit, noffset, |
Karl Apsite | ecf8cd6 | 2015-05-21 09:52:47 -0400 | [diff] [blame] | 1468 | FIT_LOADABLE_PROP, |
| 1469 | loadables_index, |
Hans de Goede | 5bcec54 | 2015-05-29 15:09:48 +0200 | [diff] [blame^] | 1470 | (const char **)&uname) == 0; |
Karl Apsite | ecf8cd6 | 2015-05-21 09:52:47 -0400 | [diff] [blame] | 1471 | loadables_index++) |
| 1472 | { |
| 1473 | if (loadables_index == 0) { |
| 1474 | printf("%s Loadables: ", p); |
| 1475 | } else { |
| 1476 | printf("%s ", p); |
| 1477 | } |
| 1478 | printf("%s\n", uname); |
| 1479 | } |
Simon Glass | 53fbb7e | 2013-05-07 06:11:53 +0000 | [diff] [blame] | 1480 | } |
| 1481 | |
Jeroen Hofstee | 718feca | 2014-10-08 22:57:38 +0200 | [diff] [blame] | 1482 | static int fit_image_select(const void *fit, int rd_noffset, int verify) |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1483 | { |
| 1484 | fit_image_print(fit, rd_noffset, " "); |
| 1485 | |
| 1486 | if (verify) { |
| 1487 | puts(" Verifying Hash Integrity ... "); |
| 1488 | if (!fit_image_verify(fit, rd_noffset)) { |
| 1489 | puts("Bad Data Hash\n"); |
| 1490 | return -EACCES; |
| 1491 | } |
| 1492 | puts("OK\n"); |
| 1493 | } |
| 1494 | |
| 1495 | return 0; |
| 1496 | } |
| 1497 | |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1498 | int fit_get_node_from_config(bootm_headers_t *images, const char *prop_name, |
| 1499 | ulong addr) |
| 1500 | { |
| 1501 | int cfg_noffset; |
| 1502 | void *fit_hdr; |
| 1503 | int noffset; |
| 1504 | |
| 1505 | debug("* %s: using config '%s' from image at 0x%08lx\n", |
| 1506 | prop_name, images->fit_uname_cfg, addr); |
| 1507 | |
| 1508 | /* Check whether configuration has this property defined */ |
| 1509 | fit_hdr = map_sysmem(addr, 0); |
| 1510 | cfg_noffset = fit_conf_get_node(fit_hdr, images->fit_uname_cfg); |
| 1511 | if (cfg_noffset < 0) { |
| 1512 | debug("* %s: no such config\n", prop_name); |
| 1513 | return -ENOENT; |
| 1514 | } |
| 1515 | |
| 1516 | noffset = fit_conf_get_prop_node(fit_hdr, cfg_noffset, prop_name); |
| 1517 | if (noffset < 0) { |
| 1518 | debug("* %s: no '%s' in config\n", prop_name, prop_name); |
| 1519 | return -ENOLINK; |
| 1520 | } |
| 1521 | |
| 1522 | return noffset; |
| 1523 | } |
| 1524 | |
Simon Glass | 126cc86 | 2014-06-12 07:24:47 -0600 | [diff] [blame] | 1525 | /** |
| 1526 | * fit_get_image_type_property() - get property name for IH_TYPE_... |
| 1527 | * |
| 1528 | * @return the properly name where we expect to find the image in the |
| 1529 | * config node |
| 1530 | */ |
| 1531 | static const char *fit_get_image_type_property(int type) |
| 1532 | { |
| 1533 | /* |
| 1534 | * This is sort-of available in the uimage_type[] table in image.c |
| 1535 | * but we don't have access to the sohrt name, and "fdt" is different |
| 1536 | * anyway. So let's just keep it here. |
| 1537 | */ |
| 1538 | switch (type) { |
| 1539 | case IH_TYPE_FLATDT: |
| 1540 | return FIT_FDT_PROP; |
| 1541 | case IH_TYPE_KERNEL: |
| 1542 | return FIT_KERNEL_PROP; |
| 1543 | case IH_TYPE_RAMDISK: |
| 1544 | return FIT_RAMDISK_PROP; |
Simon Glass | 90268b8 | 2014-10-19 21:11:24 -0600 | [diff] [blame] | 1545 | case IH_TYPE_X86_SETUP: |
| 1546 | return FIT_SETUP_PROP; |
Karl Apsite | 84a07db | 2015-05-21 09:52:48 -0400 | [diff] [blame] | 1547 | case IH_TYPE_LOADABLE: |
| 1548 | return FIT_LOADABLE_PROP; |
Simon Glass | 126cc86 | 2014-06-12 07:24:47 -0600 | [diff] [blame] | 1549 | } |
| 1550 | |
| 1551 | return "unknown"; |
| 1552 | } |
| 1553 | |
| 1554 | int fit_image_load(bootm_headers_t *images, ulong addr, |
Simon Glass | f320a4d | 2013-07-10 23:08:10 -0700 | [diff] [blame] | 1555 | const char **fit_unamep, const char **fit_uname_configp, |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1556 | int arch, int image_type, int bootstage_id, |
| 1557 | enum fit_load_op load_op, ulong *datap, ulong *lenp) |
| 1558 | { |
| 1559 | int cfg_noffset, noffset; |
| 1560 | const char *fit_uname; |
Simon Glass | f320a4d | 2013-07-10 23:08:10 -0700 | [diff] [blame] | 1561 | const char *fit_uname_config; |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1562 | const void *fit; |
| 1563 | const void *buf; |
| 1564 | size_t size; |
| 1565 | int type_ok, os_ok; |
| 1566 | ulong load, data, len; |
Marek Vasut | 3811723 | 2014-12-16 14:07:22 +0100 | [diff] [blame] | 1567 | uint8_t os; |
Simon Glass | 126cc86 | 2014-06-12 07:24:47 -0600 | [diff] [blame] | 1568 | const char *prop_name; |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1569 | int ret; |
| 1570 | |
| 1571 | fit = map_sysmem(addr, 0); |
| 1572 | fit_uname = fit_unamep ? *fit_unamep : NULL; |
Simon Glass | f320a4d | 2013-07-10 23:08:10 -0700 | [diff] [blame] | 1573 | fit_uname_config = fit_uname_configp ? *fit_uname_configp : NULL; |
Simon Glass | 126cc86 | 2014-06-12 07:24:47 -0600 | [diff] [blame] | 1574 | prop_name = fit_get_image_type_property(image_type); |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1575 | printf("## Loading %s from FIT Image at %08lx ...\n", prop_name, addr); |
| 1576 | |
| 1577 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT); |
| 1578 | if (!fit_check_format(fit)) { |
| 1579 | printf("Bad FIT %s image format!\n", prop_name); |
| 1580 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_FORMAT); |
| 1581 | return -ENOEXEC; |
| 1582 | } |
| 1583 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_FORMAT_OK); |
| 1584 | if (fit_uname) { |
Masahiro Yamada | f150c83 | 2014-02-18 15:39:21 +0900 | [diff] [blame] | 1585 | /* get FIT component image node offset */ |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1586 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_UNIT_NAME); |
| 1587 | noffset = fit_image_get_node(fit, fit_uname); |
| 1588 | } else { |
| 1589 | /* |
| 1590 | * no image node unit name, try to get config |
| 1591 | * node first. If config unit node name is NULL |
| 1592 | * fit_conf_get_node() will try to find default config node |
| 1593 | */ |
| 1594 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_NO_UNIT_NAME); |
| 1595 | if (IMAGE_ENABLE_BEST_MATCH && !fit_uname_config) { |
| 1596 | cfg_noffset = fit_conf_find_compat(fit, gd_fdt_blob()); |
| 1597 | } else { |
| 1598 | cfg_noffset = fit_conf_get_node(fit, |
| 1599 | fit_uname_config); |
| 1600 | } |
| 1601 | if (cfg_noffset < 0) { |
| 1602 | puts("Could not find configuration node\n"); |
| 1603 | bootstage_error(bootstage_id + |
| 1604 | BOOTSTAGE_SUB_NO_UNIT_NAME); |
| 1605 | return -ENOENT; |
| 1606 | } |
| 1607 | fit_uname_config = fdt_get_name(fit, cfg_noffset, NULL); |
| 1608 | printf(" Using '%s' configuration\n", fit_uname_config); |
| 1609 | if (image_type == IH_TYPE_KERNEL) { |
| 1610 | /* Remember (and possibly verify) this config */ |
| 1611 | images->fit_uname_cfg = fit_uname_config; |
| 1612 | if (IMAGE_ENABLE_VERIFY && images->verify) { |
| 1613 | puts(" Verifying Hash Integrity ... "); |
Simon Glass | 12df2ab | 2014-06-12 07:24:45 -0600 | [diff] [blame] | 1614 | if (fit_config_verify(fit, cfg_noffset)) { |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1615 | puts("Bad Data Hash\n"); |
| 1616 | bootstage_error(bootstage_id + |
| 1617 | BOOTSTAGE_SUB_HASH); |
| 1618 | return -EACCES; |
| 1619 | } |
| 1620 | puts("OK\n"); |
| 1621 | } |
| 1622 | bootstage_mark(BOOTSTAGE_ID_FIT_CONFIG); |
| 1623 | } |
| 1624 | |
| 1625 | noffset = fit_conf_get_prop_node(fit, cfg_noffset, |
| 1626 | prop_name); |
| 1627 | fit_uname = fit_get_name(fit, noffset, NULL); |
| 1628 | } |
| 1629 | if (noffset < 0) { |
| 1630 | puts("Could not find subimage node\n"); |
| 1631 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_SUBNODE); |
| 1632 | return -ENOENT; |
| 1633 | } |
| 1634 | |
| 1635 | printf(" Trying '%s' %s subimage\n", fit_uname, prop_name); |
| 1636 | |
| 1637 | ret = fit_image_select(fit, noffset, images->verify); |
| 1638 | if (ret) { |
| 1639 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_HASH); |
| 1640 | return ret; |
| 1641 | } |
| 1642 | |
| 1643 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH); |
Simon Glass | 5ba63dd | 2014-10-19 21:11:22 -0600 | [diff] [blame] | 1644 | #if !defined(USE_HOSTCC) && !defined(CONFIG_SANDBOX) |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1645 | if (!fit_image_check_target_arch(fit, noffset)) { |
| 1646 | puts("Unsupported Architecture\n"); |
| 1647 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ARCH); |
| 1648 | return -ENOEXEC; |
| 1649 | } |
Simon Glass | ce1400f | 2014-06-12 07:24:53 -0600 | [diff] [blame] | 1650 | #endif |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1651 | if (image_type == IH_TYPE_FLATDT && |
| 1652 | !fit_image_check_comp(fit, noffset, IH_COMP_NONE)) { |
| 1653 | puts("FDT image is compressed"); |
| 1654 | return -EPROTONOSUPPORT; |
| 1655 | } |
| 1656 | |
| 1657 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL); |
| 1658 | type_ok = fit_image_check_type(fit, noffset, image_type) || |
| 1659 | (image_type == IH_TYPE_KERNEL && |
| 1660 | fit_image_check_type(fit, noffset, |
| 1661 | IH_TYPE_KERNEL_NOLOAD)); |
Marek Vasut | 3811723 | 2014-12-16 14:07:22 +0100 | [diff] [blame] | 1662 | |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1663 | os_ok = image_type == IH_TYPE_FLATDT || |
Marek Vasut | 3811723 | 2014-12-16 14:07:22 +0100 | [diff] [blame] | 1664 | fit_image_check_os(fit, noffset, IH_OS_LINUX) || |
| 1665 | fit_image_check_os(fit, noffset, IH_OS_OPENRTOS); |
Karl Apsite | 84a07db | 2015-05-21 09:52:48 -0400 | [diff] [blame] | 1666 | |
| 1667 | /* |
| 1668 | * If either of the checks fail, we should report an error, but |
| 1669 | * if the image type is coming from the "loadables" field, we |
| 1670 | * don't care what it is |
| 1671 | */ |
| 1672 | if ((!type_ok || !os_ok) && image_type != IH_TYPE_LOADABLE) { |
Marek Vasut | 3811723 | 2014-12-16 14:07:22 +0100 | [diff] [blame] | 1673 | fit_image_get_os(fit, noffset, &os); |
| 1674 | printf("No %s %s %s Image\n", |
| 1675 | genimg_get_os_name(os), |
| 1676 | genimg_get_arch_name(arch), |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1677 | genimg_get_type_name(image_type)); |
| 1678 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL); |
| 1679 | return -EIO; |
| 1680 | } |
| 1681 | |
| 1682 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_CHECK_ALL_OK); |
| 1683 | |
| 1684 | /* get image data address and length */ |
| 1685 | if (fit_image_get_data(fit, noffset, &buf, &size)) { |
| 1686 | printf("Could not find %s subimage data!\n", prop_name); |
| 1687 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_GET_DATA); |
Simon Glass | 2f99807 | 2013-06-16 07:46:49 -0700 | [diff] [blame] | 1688 | return -ENOENT; |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1689 | } |
| 1690 | len = (ulong)size; |
| 1691 | |
| 1692 | /* verify that image data is a proper FDT blob */ |
Masahiro Yamada | 2f0877c | 2013-09-19 12:10:18 +0900 | [diff] [blame] | 1693 | if (image_type == IH_TYPE_FLATDT && fdt_check_header(buf)) { |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1694 | puts("Subimage data is not a FDT"); |
| 1695 | return -ENOEXEC; |
| 1696 | } |
| 1697 | |
| 1698 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_GET_DATA_OK); |
| 1699 | |
| 1700 | /* |
| 1701 | * Work-around for eldk-4.2 which gives this warning if we try to |
Simon Glass | e3c83c0 | 2014-06-12 07:24:49 -0600 | [diff] [blame] | 1702 | * cast in the unmap_sysmem() call: |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1703 | * warning: initialization discards qualifiers from pointer target type |
| 1704 | */ |
| 1705 | { |
| 1706 | void *vbuf = (void *)buf; |
| 1707 | |
| 1708 | data = map_to_sysmem(vbuf); |
| 1709 | } |
| 1710 | |
| 1711 | if (load_op == FIT_LOAD_IGNORED) { |
| 1712 | /* Don't load */ |
| 1713 | } else if (fit_image_get_load(fit, noffset, &load)) { |
| 1714 | if (load_op == FIT_LOAD_REQUIRED) { |
| 1715 | printf("Can't get %s subimage load address!\n", |
| 1716 | prop_name); |
| 1717 | bootstage_error(bootstage_id + BOOTSTAGE_SUB_LOAD); |
| 1718 | return -EBADF; |
| 1719 | } |
Simon Glass | fe20a81 | 2014-08-22 14:26:43 -0600 | [diff] [blame] | 1720 | } else if (load_op != FIT_LOAD_OPTIONAL_NON_ZERO || load) { |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1721 | ulong image_start, image_end; |
| 1722 | ulong load_end; |
| 1723 | void *dst; |
| 1724 | |
| 1725 | /* |
| 1726 | * move image data to the load address, |
| 1727 | * make sure we don't overwrite initial image |
| 1728 | */ |
| 1729 | image_start = addr; |
| 1730 | image_end = addr + fit_get_size(fit); |
| 1731 | |
| 1732 | load_end = load + len; |
| 1733 | if (image_type != IH_TYPE_KERNEL && |
| 1734 | load < image_end && load_end > image_start) { |
| 1735 | printf("Error: %s overwritten\n", prop_name); |
| 1736 | return -EXDEV; |
| 1737 | } |
| 1738 | |
| 1739 | printf(" Loading %s from 0x%08lx to 0x%08lx\n", |
| 1740 | prop_name, data, load); |
| 1741 | |
| 1742 | dst = map_sysmem(load, len); |
| 1743 | memmove(dst, buf, len); |
| 1744 | data = load; |
| 1745 | } |
| 1746 | bootstage_mark(bootstage_id + BOOTSTAGE_SUB_LOAD); |
| 1747 | |
| 1748 | *datap = data; |
| 1749 | *lenp = len; |
| 1750 | if (fit_unamep) |
| 1751 | *fit_unamep = (char *)fit_uname; |
Simon Glass | f320a4d | 2013-07-10 23:08:10 -0700 | [diff] [blame] | 1752 | if (fit_uname_configp) |
| 1753 | *fit_uname_configp = (char *)fit_uname_config; |
Simon Glass | 782cfbb | 2013-05-16 13:53:21 +0000 | [diff] [blame] | 1754 | |
| 1755 | return noffset; |
| 1756 | } |
Simon Glass | 90268b8 | 2014-10-19 21:11:24 -0600 | [diff] [blame] | 1757 | |
| 1758 | int boot_get_setup_fit(bootm_headers_t *images, uint8_t arch, |
| 1759 | ulong *setup_start, ulong *setup_len) |
| 1760 | { |
| 1761 | int noffset; |
| 1762 | ulong addr; |
| 1763 | ulong len; |
| 1764 | int ret; |
| 1765 | |
| 1766 | addr = map_to_sysmem(images->fit_hdr_os); |
| 1767 | noffset = fit_get_node_from_config(images, FIT_SETUP_PROP, addr); |
| 1768 | if (noffset < 0) |
| 1769 | return noffset; |
| 1770 | |
| 1771 | ret = fit_image_load(images, addr, NULL, NULL, arch, |
| 1772 | IH_TYPE_X86_SETUP, BOOTSTAGE_ID_FIT_SETUP_START, |
| 1773 | FIT_LOAD_REQUIRED, setup_start, &len); |
| 1774 | |
| 1775 | return ret; |
| 1776 | } |