1 /* 2 * (C) Copyright 2008 Semihalf 3 * 4 * (C) Copyright 2000-2006 5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 6 * 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 27 #ifndef USE_HOSTCC 28 #include <common.h> 29 #include <watchdog.h> 30 31 #ifdef CONFIG_SHOW_BOOT_PROGRESS 32 #include <status_led.h> 33 #endif 34 35 #ifdef CONFIG_HAS_DATAFLASH 36 #include <dataflash.h> 37 #endif 38 39 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) 40 #include <rtc.h> 41 #endif 42 43 #include <image.h> 44 45 #if defined(CONFIG_FIT) || defined (CONFIG_OF_LIBFDT) 46 #include <fdt.h> 47 #include <libfdt.h> 48 #include <fdt_support.h> 49 #endif 50 51 #if defined(CONFIG_FIT) 52 #include <u-boot/md5.h> 53 #include <sha1.h> 54 55 static int fit_check_ramdisk (const void *fit, int os_noffset, 56 uint8_t arch, int verify); 57 #endif 58 59 #ifdef CONFIG_CMD_BDI 60 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); 61 #endif 62 63 DECLARE_GLOBAL_DATA_PTR; 64 65 static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, 66 int verify); 67 #else 68 #include "mkimage.h" 69 #include <u-boot/md5.h> 70 #include <time.h> 71 #include <image.h> 72 #endif /* !USE_HOSTCC*/ 73 74 typedef struct table_entry { 75 int id; /* as defined in image.h */ 76 char *sname; /* short (input) name */ 77 char *lname; /* long (output) name */ 78 } table_entry_t; 79 80 static table_entry_t uimage_arch[] = { 81 { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, 82 { IH_ARCH_ALPHA, "alpha", "Alpha", }, 83 { IH_ARCH_ARM, "arm", "ARM", }, 84 { IH_ARCH_I386, "x86", "Intel x86", }, 85 { IH_ARCH_IA64, "ia64", "IA64", }, 86 { IH_ARCH_M68K, "m68k", "M68K", }, 87 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, 88 { IH_ARCH_MIPS, "mips", "MIPS", }, 89 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, 90 { IH_ARCH_NIOS, "nios", "NIOS", }, 91 { IH_ARCH_NIOS2, "nios2", "NIOS II", }, 92 { IH_ARCH_PPC, "powerpc", "PowerPC", }, 93 { IH_ARCH_PPC, "ppc", "PowerPC", }, 94 { IH_ARCH_S390, "s390", "IBM S390", }, 95 { IH_ARCH_SH, "sh", "SuperH", }, 96 { IH_ARCH_SPARC, "sparc", "SPARC", }, 97 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, 98 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, 99 { IH_ARCH_AVR32, "avr32", "AVR32", }, 100 { -1, "", "", }, 101 }; 102 103 static table_entry_t uimage_os[] = { 104 { IH_OS_INVALID, NULL, "Invalid OS", }, 105 #if defined(CONFIG_ARTOS) || defined(USE_HOSTCC) 106 { IH_OS_ARTOS, "artos", "ARTOS", }, 107 #endif 108 { IH_OS_LINUX, "linux", "Linux", }, 109 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 110 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 111 #endif 112 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 113 { IH_OS_RTEMS, "rtems", "RTEMS", }, 114 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 115 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 116 { IH_OS_QNX, "qnx", "QNX", }, 117 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 118 #endif 119 #ifdef USE_HOSTCC 120 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 121 { IH_OS_DELL, "dell", "Dell", }, 122 { IH_OS_ESIX, "esix", "Esix", }, 123 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 124 { IH_OS_IRIX, "irix", "Irix", }, 125 { IH_OS_NCR, "ncr", "NCR", }, 126 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 127 { IH_OS_PSOS, "psos", "pSOS", }, 128 { IH_OS_SCO, "sco", "SCO", }, 129 { IH_OS_SOLARIS, "solaris", "Solaris", }, 130 { IH_OS_SVR4, "svr4", "SVR4", }, 131 #endif 132 { -1, "", "", }, 133 }; 134 135 static table_entry_t uimage_type[] = { 136 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 137 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 138 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 139 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 140 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 141 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 142 { IH_TYPE_SCRIPT, "script", "Script", }, 143 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 144 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 145 { -1, "", "", }, 146 }; 147 148 static table_entry_t uimage_comp[] = { 149 { IH_COMP_NONE, "none", "uncompressed", }, 150 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 151 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 152 { -1, "", "", }, 153 }; 154 155 uint32_t crc32 (uint32_t, const unsigned char *, uint); 156 uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint); 157 static void genimg_print_size (uint32_t size); 158 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 159 static void genimg_print_time (time_t timestamp); 160 #endif 161 162 /*****************************************************************************/ 163 /* Legacy format routines */ 164 /*****************************************************************************/ 165 int image_check_hcrc (image_header_t *hdr) 166 { 167 ulong hcrc; 168 ulong len = image_get_header_size (); 169 image_header_t header; 170 171 /* Copy header so we can blank CRC field for re-calculation */ 172 memmove (&header, (char *)hdr, image_get_header_size ()); 173 image_set_hcrc (&header, 0); 174 175 hcrc = crc32 (0, (unsigned char *)&header, len); 176 177 return (hcrc == image_get_hcrc (hdr)); 178 } 179 180 int image_check_dcrc (image_header_t *hdr) 181 { 182 ulong data = image_get_data (hdr); 183 ulong len = image_get_data_size (hdr); 184 ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32); 185 186 return (dcrc == image_get_dcrc (hdr)); 187 } 188 189 190 /** 191 * image_multi_count - get component (sub-image) count 192 * @hdr: pointer to the header of the multi component image 193 * 194 * image_multi_count() returns number of components in a multi 195 * component image. 196 * 197 * Note: no checking of the image type is done, caller must pass 198 * a valid multi component image. 199 * 200 * returns: 201 * number of components 202 */ 203 ulong image_multi_count (image_header_t *hdr) 204 { 205 ulong i, count = 0; 206 uint32_t *size; 207 208 /* get start of the image payload, which in case of multi 209 * component images that points to a table of component sizes */ 210 size = (uint32_t *)image_get_data (hdr); 211 212 /* count non empty slots */ 213 for (i = 0; size[i]; ++i) 214 count++; 215 216 return count; 217 } 218 219 /** 220 * image_multi_getimg - get component data address and size 221 * @hdr: pointer to the header of the multi component image 222 * @idx: index of the requested component 223 * @data: pointer to a ulong variable, will hold component data address 224 * @len: pointer to a ulong variable, will hold component size 225 * 226 * image_multi_getimg() returns size and data address for the requested 227 * component in a multi component image. 228 * 229 * Note: no checking of the image type is done, caller must pass 230 * a valid multi component image. 231 * 232 * returns: 233 * data address and size of the component, if idx is valid 234 * 0 in data and len, if idx is out of range 235 */ 236 void image_multi_getimg (image_header_t *hdr, ulong idx, 237 ulong *data, ulong *len) 238 { 239 int i; 240 uint32_t *size; 241 ulong offset, tail, count, img_data; 242 243 /* get number of component */ 244 count = image_multi_count (hdr); 245 246 /* get start of the image payload, which in case of multi 247 * component images that points to a table of component sizes */ 248 size = (uint32_t *)image_get_data (hdr); 249 250 /* get address of the proper component data start, which means 251 * skipping sizes table (add 1 for last, null entry) */ 252 img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t); 253 254 if (idx < count) { 255 *len = uimage_to_cpu (size[idx]); 256 offset = 0; 257 tail = 0; 258 259 /* go over all indices preceding requested component idx */ 260 for (i = 0; i < idx; i++) { 261 /* add up i-th component size */ 262 offset += uimage_to_cpu (size[i]); 263 264 /* add up alignment for i-th component */ 265 tail += (4 - uimage_to_cpu (size[i]) % 4); 266 } 267 268 /* calculate idx-th component data address */ 269 *data = img_data + offset + tail; 270 } else { 271 *len = 0; 272 *data = 0; 273 } 274 } 275 276 static void image_print_type (image_header_t *hdr) 277 { 278 const char *os, *arch, *type, *comp; 279 280 os = genimg_get_os_name (image_get_os (hdr)); 281 arch = genimg_get_arch_name (image_get_arch (hdr)); 282 type = genimg_get_type_name (image_get_type (hdr)); 283 comp = genimg_get_comp_name (image_get_comp (hdr)); 284 285 printf ("%s %s %s (%s)\n", arch, os, type, comp); 286 } 287 288 /** 289 * image_print_contents - prints out the contents of the legacy format image 290 * @hdr: pointer to the legacy format image header 291 * @p: pointer to prefix string 292 * 293 * image_print_contents() formats a multi line legacy image contents description. 294 * The routine prints out all header fields followed by the size/offset data 295 * for MULTI/SCRIPT images. 296 * 297 * returns: 298 * no returned results 299 */ 300 void image_print_contents (image_header_t *hdr) 301 { 302 const char *p; 303 304 #ifdef USE_HOSTCC 305 p = ""; 306 #else 307 p = " "; 308 #endif 309 310 printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); 311 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 312 printf ("%sCreated: ", p); 313 genimg_print_time ((time_t)image_get_time (hdr)); 314 #endif 315 printf ("%sImage Type: ", p); 316 image_print_type (hdr); 317 printf ("%sData Size: ", p); 318 genimg_print_size (image_get_data_size (hdr)); 319 printf ("%sLoad Address: %08x\n", p, image_get_load (hdr)); 320 printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr)); 321 322 if (image_check_type (hdr, IH_TYPE_MULTI) || 323 image_check_type (hdr, IH_TYPE_SCRIPT)) { 324 int i; 325 ulong data, len; 326 ulong count = image_multi_count (hdr); 327 328 printf ("%sContents:\n", p); 329 for (i = 0; i < count; i++) { 330 image_multi_getimg (hdr, i, &data, &len); 331 332 printf ("%s Image %d: ", p, i); 333 genimg_print_size (len); 334 335 if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { 336 /* 337 * the user may need to know offsets 338 * if planning to do something with 339 * multiple files 340 */ 341 printf ("%s Offset = 0x%08lx\n", p, data); 342 } 343 } 344 } 345 } 346 347 348 #ifndef USE_HOSTCC 349 /** 350 * image_get_ramdisk - get and verify ramdisk image 351 * @rd_addr: ramdisk image start address 352 * @arch: expected ramdisk architecture 353 * @verify: checksum verification flag 354 * 355 * image_get_ramdisk() returns a pointer to the verified ramdisk image 356 * header. Routine receives image start address and expected architecture 357 * flag. Verification done covers data and header integrity and os/type/arch 358 * fields checking. 359 * 360 * If dataflash support is enabled routine checks for dataflash addresses 361 * and handles required dataflash reads. 362 * 363 * returns: 364 * pointer to a ramdisk image header, if image was found and valid 365 * otherwise, return NULL 366 */ 367 static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, 368 int verify) 369 { 370 image_header_t *rd_hdr = (image_header_t *)rd_addr; 371 372 if (!image_check_magic (rd_hdr)) { 373 puts ("Bad Magic Number\n"); 374 show_boot_progress (-10); 375 return NULL; 376 } 377 378 if (!image_check_hcrc (rd_hdr)) { 379 puts ("Bad Header Checksum\n"); 380 show_boot_progress (-11); 381 return NULL; 382 } 383 384 show_boot_progress (10); 385 image_print_contents (rd_hdr); 386 387 if (verify) { 388 puts(" Verifying Checksum ... "); 389 if (!image_check_dcrc (rd_hdr)) { 390 puts ("Bad Data CRC\n"); 391 show_boot_progress (-12); 392 return NULL; 393 } 394 puts("OK\n"); 395 } 396 397 show_boot_progress (11); 398 399 if (!image_check_os (rd_hdr, IH_OS_LINUX) || 400 !image_check_arch (rd_hdr, arch) || 401 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { 402 printf ("No Linux %s Ramdisk Image\n", 403 genimg_get_arch_name(arch)); 404 show_boot_progress (-13); 405 return NULL; 406 } 407 408 return rd_hdr; 409 } 410 #endif /* !USE_HOSTCC */ 411 412 /*****************************************************************************/ 413 /* Shared dual-format routines */ 414 /*****************************************************************************/ 415 #ifndef USE_HOSTCC 416 int getenv_yesno (char *var) 417 { 418 char *s = getenv (var); 419 return (s && (*s == 'n')) ? 0 : 1; 420 } 421 422 ulong getenv_bootm_low(void) 423 { 424 char *s = getenv ("bootm_low"); 425 if (s) { 426 ulong tmp = simple_strtoul (s, NULL, 16); 427 return tmp; 428 } 429 430 #if defined(CFG_SDRAM_BASE) 431 return CFG_SDRAM_BASE; 432 #elif defined(CONFIG_ARM) 433 return gd->bd->bi_dram[0].start; 434 #else 435 return 0; 436 #endif 437 } 438 439 ulong getenv_bootm_size(void) 440 { 441 char *s = getenv ("bootm_size"); 442 if (s) { 443 ulong tmp = simple_strtoul (s, NULL, 16); 444 return tmp; 445 } 446 447 #if defined(CONFIG_ARM) 448 return gd->bd->bi_dram[0].size; 449 #else 450 return gd->bd->bi_memsize; 451 #endif 452 } 453 454 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 455 { 456 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 457 while (len > 0) { 458 size_t tail = (len > chunksz) ? chunksz : len; 459 WATCHDOG_RESET (); 460 memmove (to, from, tail); 461 to += tail; 462 from += tail; 463 len -= tail; 464 } 465 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 466 memmove (to, from, len); 467 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 468 } 469 #endif /* !USE_HOSTCC */ 470 471 static void genimg_print_size (uint32_t size) 472 { 473 #ifndef USE_HOSTCC 474 printf ("%d Bytes = ", size); 475 print_size (size, "\n"); 476 #else 477 printf ("%d Bytes = %.2f kB = %.2f MB\n", 478 size, (double)size / 1.024e3, 479 (double)size / 1.048576e6); 480 #endif 481 } 482 483 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 484 static void genimg_print_time (time_t timestamp) 485 { 486 #ifndef USE_HOSTCC 487 struct rtc_time tm; 488 489 to_tm (timestamp, &tm); 490 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 491 tm.tm_year, tm.tm_mon, tm.tm_mday, 492 tm.tm_hour, tm.tm_min, tm.tm_sec); 493 #else 494 printf ("%s", ctime(×tamp)); 495 #endif 496 } 497 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 498 499 /** 500 * get_table_entry_name - translate entry id to long name 501 * @table: pointer to a translation table for entries of a specific type 502 * @msg: message to be returned when translation fails 503 * @id: entry id to be translated 504 * 505 * get_table_entry_name() will go over translation table trying to find 506 * entry that matches given id. If matching entry is found, its long 507 * name is returned to the caller. 508 * 509 * returns: 510 * long entry name if translation succeeds 511 * msg otherwise 512 */ 513 static char *get_table_entry_name (table_entry_t *table, char *msg, int id) 514 { 515 for (; table->id >= 0; ++table) { 516 if (table->id == id) 517 return (table->lname); 518 } 519 return (msg); 520 } 521 522 const char *genimg_get_os_name (uint8_t os) 523 { 524 return (get_table_entry_name (uimage_os, "Unknown OS", os)); 525 } 526 527 const char *genimg_get_arch_name (uint8_t arch) 528 { 529 return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); 530 } 531 532 const char *genimg_get_type_name (uint8_t type) 533 { 534 return (get_table_entry_name (uimage_type, "Unknown Image", type)); 535 } 536 537 const char *genimg_get_comp_name (uint8_t comp) 538 { 539 return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); 540 } 541 542 /** 543 * get_table_entry_id - translate short entry name to id 544 * @table: pointer to a translation table for entries of a specific type 545 * @table_name: to be used in case of error 546 * @name: entry short name to be translated 547 * 548 * get_table_entry_id() will go over translation table trying to find 549 * entry that matches given short name. If matching entry is found, 550 * its id returned to the caller. 551 * 552 * returns: 553 * entry id if translation succeeds 554 * -1 otherwise 555 */ 556 static int get_table_entry_id (table_entry_t *table, 557 const char *table_name, const char *name) 558 { 559 table_entry_t *t; 560 #ifdef USE_HOSTCC 561 int first = 1; 562 563 for (t = table; t->id >= 0; ++t) { 564 if (t->sname && strcasecmp(t->sname, name) == 0) 565 return (t->id); 566 } 567 568 fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); 569 for (t = table; t->id >= 0; ++t) { 570 if (t->sname == NULL) 571 continue; 572 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); 573 first = 0; 574 } 575 fprintf (stderr, "\n"); 576 #else 577 for (t = table; t->id >= 0; ++t) { 578 if (t->sname && strcmp(t->sname, name) == 0) 579 return (t->id); 580 } 581 debug ("Invalid %s Type: %s\n", table_name, name); 582 #endif /* USE_HOSTCC */ 583 return (-1); 584 } 585 586 int genimg_get_os_id (const char *name) 587 { 588 return (get_table_entry_id (uimage_os, "OS", name)); 589 } 590 591 int genimg_get_arch_id (const char *name) 592 { 593 return (get_table_entry_id (uimage_arch, "CPU", name)); 594 } 595 596 int genimg_get_type_id (const char *name) 597 { 598 return (get_table_entry_id (uimage_type, "Image", name)); 599 } 600 601 int genimg_get_comp_id (const char *name) 602 { 603 return (get_table_entry_id (uimage_comp, "Compression", name)); 604 } 605 606 #ifndef USE_HOSTCC 607 /** 608 * genimg_get_format - get image format type 609 * @img_addr: image start address 610 * 611 * genimg_get_format() checks whether provided address points to a valid 612 * legacy or FIT image. 613 * 614 * New uImage format and FDT blob are based on a libfdt. FDT blob 615 * may be passed directly or embedded in a FIT image. In both situations 616 * genimg_get_format() must be able to dectect libfdt header. 617 * 618 * returns: 619 * image format type or IMAGE_FORMAT_INVALID if no image is present 620 */ 621 int genimg_get_format (void *img_addr) 622 { 623 ulong format = IMAGE_FORMAT_INVALID; 624 image_header_t *hdr; 625 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 626 char *fit_hdr; 627 #endif 628 629 hdr = (image_header_t *)img_addr; 630 if (image_check_magic(hdr)) 631 format = IMAGE_FORMAT_LEGACY; 632 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 633 else { 634 fit_hdr = (char *)img_addr; 635 if (fdt_check_header (fit_hdr) == 0) 636 format = IMAGE_FORMAT_FIT; 637 } 638 #endif 639 640 return format; 641 } 642 643 /** 644 * genimg_get_image - get image from special storage (if necessary) 645 * @img_addr: image start address 646 * 647 * genimg_get_image() checks if provided image start adddress is located 648 * in a dataflash storage. If so, image is moved to a system RAM memory. 649 * 650 * returns: 651 * image start address after possible relocation from special storage 652 */ 653 ulong genimg_get_image (ulong img_addr) 654 { 655 ulong ram_addr = img_addr; 656 657 #ifdef CONFIG_HAS_DATAFLASH 658 ulong h_size, d_size; 659 660 if (addr_dataflash (img_addr)){ 661 /* ger RAM address */ 662 ram_addr = CFG_LOAD_ADDR; 663 664 /* get header size */ 665 h_size = image_get_header_size (); 666 #if defined(CONFIG_FIT) 667 if (sizeof(struct fdt_header) > h_size) 668 h_size = sizeof(struct fdt_header); 669 #endif 670 671 /* read in header */ 672 debug (" Reading image header from dataflash address " 673 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 674 675 read_dataflash (img_addr, h_size, (char *)ram_addr); 676 677 /* get data size */ 678 switch (genimg_get_format ((void *)ram_addr)) { 679 case IMAGE_FORMAT_LEGACY: 680 d_size = image_get_data_size ((image_header_t *)ram_addr); 681 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", 682 ram_addr, d_size); 683 break; 684 #if defined(CONFIG_FIT) 685 case IMAGE_FORMAT_FIT: 686 d_size = fit_get_size ((const void *)ram_addr) - h_size; 687 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", 688 ram_addr, d_size); 689 break; 690 #endif 691 default: 692 printf (" No valid image found at 0x%08lx\n", img_addr); 693 return ram_addr; 694 } 695 696 /* read in image data */ 697 debug (" Reading image remaining data from dataflash address " 698 "%08lx to RAM address %08lx\n", img_addr + h_size, 699 ram_addr + h_size); 700 701 read_dataflash (img_addr + h_size, d_size, 702 (char *)(ram_addr + h_size)); 703 704 } 705 #endif /* CONFIG_HAS_DATAFLASH */ 706 707 return ram_addr; 708 } 709 710 /** 711 * fit_has_config - check if there is a valid FIT configuration 712 * @images: pointer to the bootm command headers structure 713 * 714 * fit_has_config() checks if there is a FIT configuration in use 715 * (if FTI support is present). 716 * 717 * returns: 718 * 0, no FIT support or no configuration found 719 * 1, configuration found 720 */ 721 int genimg_has_config (bootm_headers_t *images) 722 { 723 #if defined(CONFIG_FIT) 724 if (images->fit_uname_cfg) 725 return 1; 726 #endif 727 return 0; 728 } 729 730 /** 731 * boot_get_ramdisk - main ramdisk handling routine 732 * @argc: command argument count 733 * @argv: command argument list 734 * @images: pointer to the bootm images structure 735 * @arch: expected ramdisk architecture 736 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 737 * @rd_end: pointer to a ulong variable, will hold ramdisk end 738 * 739 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 740 * Curently supported are the following ramdisk sources: 741 * - multicomponent kernel/ramdisk image, 742 * - commandline provided address of decicated ramdisk image. 743 * 744 * returns: 745 * 0, if ramdisk image was found and valid, or skiped 746 * rd_start and rd_end are set to ramdisk start/end addresses if 747 * ramdisk image is found and valid 748 * 749 * 1, if ramdisk image is found but corrupted 750 * rd_start and rd_end are set to 0 if no ramdisk exists 751 */ 752 int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images, 753 uint8_t arch, ulong *rd_start, ulong *rd_end) 754 { 755 ulong rd_addr, rd_load; 756 ulong rd_data, rd_len; 757 image_header_t *rd_hdr; 758 #if defined(CONFIG_FIT) 759 void *fit_hdr; 760 const char *fit_uname_config = NULL; 761 const char *fit_uname_ramdisk = NULL; 762 ulong default_addr; 763 int rd_noffset; 764 int cfg_noffset; 765 const void *data; 766 size_t size; 767 #endif 768 769 *rd_start = 0; 770 *rd_end = 0; 771 772 /* 773 * Look for a '-' which indicates to ignore the 774 * ramdisk argument 775 */ 776 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 777 debug ("## Skipping init Ramdisk\n"); 778 rd_len = rd_data = 0; 779 } else if (argc >= 3 || genimg_has_config (images)) { 780 #if defined(CONFIG_FIT) 781 if (argc >= 3) { 782 /* 783 * If the init ramdisk comes from the FIT image and 784 * the FIT image address is omitted in the command 785 * line argument, try to use os FIT image address or 786 * default load address. 787 */ 788 if (images->fit_uname_os) 789 default_addr = (ulong)images->fit_hdr_os; 790 else 791 default_addr = load_addr; 792 793 if (fit_parse_conf (argv[2], default_addr, 794 &rd_addr, &fit_uname_config)) { 795 debug ("* ramdisk: config '%s' from image at 0x%08lx\n", 796 fit_uname_config, rd_addr); 797 } else if (fit_parse_subimage (argv[2], default_addr, 798 &rd_addr, &fit_uname_ramdisk)) { 799 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", 800 fit_uname_ramdisk, rd_addr); 801 } else 802 #endif 803 { 804 rd_addr = simple_strtoul(argv[2], NULL, 16); 805 debug ("* ramdisk: cmdline image address = 0x%08lx\n", 806 rd_addr); 807 } 808 #if defined(CONFIG_FIT) 809 } else { 810 /* use FIT configuration provided in first bootm 811 * command argument 812 */ 813 rd_addr = (ulong)images->fit_hdr_os; 814 fit_uname_config = images->fit_uname_cfg; 815 debug ("* ramdisk: using config '%s' from image at 0x%08lx\n", 816 fit_uname_config, rd_addr); 817 818 /* 819 * Check whether configuration has ramdisk defined, 820 * if not, don't try to use it, quit silently. 821 */ 822 fit_hdr = (void *)rd_addr; 823 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 824 if (cfg_noffset < 0) { 825 debug ("* ramdisk: no such config\n"); 826 return 0; 827 } 828 829 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 830 if (rd_noffset < 0) { 831 debug ("* ramdisk: no ramdisk in config\n"); 832 return 0; 833 } 834 } 835 #endif 836 837 /* copy from dataflash if needed */ 838 rd_addr = genimg_get_image (rd_addr); 839 840 /* 841 * Check if there is an initrd image at the 842 * address provided in the second bootm argument 843 * check image type, for FIT images get FIT node. 844 */ 845 switch (genimg_get_format ((void *)rd_addr)) { 846 case IMAGE_FORMAT_LEGACY: 847 printf ("## Loading init Ramdisk from Legacy " 848 "Image at %08lx ...\n", rd_addr); 849 850 show_boot_progress (9); 851 rd_hdr = image_get_ramdisk (rd_addr, arch, 852 images->verify); 853 854 if (rd_hdr == NULL) 855 return 1; 856 857 rd_data = image_get_data (rd_hdr); 858 rd_len = image_get_data_size (rd_hdr); 859 rd_load = image_get_load (rd_hdr); 860 break; 861 #if defined(CONFIG_FIT) 862 case IMAGE_FORMAT_FIT: 863 fit_hdr = (void *)rd_addr; 864 printf ("## Loading init Ramdisk from FIT " 865 "Image at %08lx ...\n", rd_addr); 866 867 show_boot_progress (120); 868 if (!fit_check_format (fit_hdr)) { 869 puts ("Bad FIT ramdisk image format!\n"); 870 show_boot_progress (-120); 871 return 0; 872 } 873 show_boot_progress (121); 874 875 if (!fit_uname_ramdisk) { 876 /* 877 * no ramdisk image node unit name, try to get config 878 * node first. If config unit node name is NULL 879 * fit_conf_get_node() will try to find default config node 880 */ 881 show_boot_progress (122); 882 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 883 if (cfg_noffset < 0) { 884 puts ("Could not find configuration node\n"); 885 show_boot_progress (-122); 886 return 0; 887 } 888 fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL); 889 printf (" Using '%s' configuration\n", fit_uname_config); 890 891 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 892 fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); 893 } else { 894 /* get ramdisk component image node offset */ 895 show_boot_progress (123); 896 rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); 897 } 898 if (rd_noffset < 0) { 899 puts ("Could not find subimage node\n"); 900 show_boot_progress (-124); 901 return 0; 902 } 903 904 printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); 905 906 show_boot_progress (125); 907 if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) 908 return 0; 909 910 /* get ramdisk image data address and length */ 911 if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { 912 puts ("Could not find ramdisk subimage data!\n"); 913 show_boot_progress (-127); 914 return 0; 915 } 916 show_boot_progress (128); 917 918 rd_data = (ulong)data; 919 rd_len = size; 920 921 if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { 922 puts ("Can't get ramdisk subimage load address!\n"); 923 show_boot_progress (-129); 924 return 0; 925 } 926 show_boot_progress (129); 927 928 images->fit_hdr_rd = fit_hdr; 929 images->fit_uname_rd = fit_uname_ramdisk; 930 images->fit_noffset_rd = rd_noffset; 931 break; 932 #endif 933 default: 934 puts ("Wrong Ramdisk Image Format\n"); 935 rd_data = rd_len = rd_load = 0; 936 } 937 938 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 939 /* 940 * We need to copy the ramdisk to SRAM to let Linux boot 941 */ 942 if (rd_data) { 943 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 944 rd_data = rd_load; 945 } 946 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 947 948 } else if (images->legacy_hdr_valid && 949 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 950 /* 951 * Now check if we have a legacy mult-component image, 952 * get second entry data start address and len. 953 */ 954 show_boot_progress (13); 955 printf ("## Loading init Ramdisk from multi component " 956 "Legacy Image at %08lx ...\n", 957 (ulong)images->legacy_hdr_os); 958 959 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 960 } else { 961 /* 962 * no initrd image 963 */ 964 show_boot_progress (14); 965 rd_len = rd_data = 0; 966 } 967 968 if (!rd_data) { 969 debug ("## No init Ramdisk\n"); 970 } else { 971 *rd_start = rd_data; 972 *rd_end = rd_data + rd_len; 973 } 974 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 975 *rd_start, *rd_end); 976 977 return 0; 978 } 979 980 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) 981 /** 982 * boot_ramdisk_high - relocate init ramdisk 983 * @lmb: pointer to lmb handle, will be used for memory mgmt 984 * @rd_data: ramdisk data start address 985 * @rd_len: ramdisk data length 986 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 987 * start address (after possible relocation) 988 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 989 * end address (after possible relocation) 990 * 991 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 992 * variable and if requested ramdisk data is moved to a specified location. 993 * 994 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 995 * start/end addresses if ramdisk image start and len were provided, 996 * otherwise set initrd_start and initrd_end set to zeros. 997 * 998 * returns: 999 * 0 - success 1000 * -1 - failure 1001 */ 1002 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 1003 ulong *initrd_start, ulong *initrd_end) 1004 { 1005 char *s; 1006 ulong initrd_high; 1007 int initrd_copy_to_ram = 1; 1008 1009 if ((s = getenv ("initrd_high")) != NULL) { 1010 /* a value of "no" or a similar string will act like 0, 1011 * turning the "load high" feature off. This is intentional. 1012 */ 1013 initrd_high = simple_strtoul (s, NULL, 16); 1014 if (initrd_high == ~0) 1015 initrd_copy_to_ram = 0; 1016 } else { 1017 /* not set, no restrictions to load high */ 1018 initrd_high = ~0; 1019 } 1020 1021 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1022 initrd_high, initrd_copy_to_ram); 1023 1024 if (rd_data) { 1025 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1026 debug (" in-place initrd\n"); 1027 *initrd_start = rd_data; 1028 *initrd_end = rd_data + rd_len; 1029 lmb_reserve(lmb, rd_data, rd_len); 1030 } else { 1031 if (initrd_high) 1032 *initrd_start = lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 1033 else 1034 *initrd_start = lmb_alloc (lmb, rd_len, 0x1000); 1035 1036 if (*initrd_start == 0) { 1037 puts ("ramdisk - allocation error\n"); 1038 goto error; 1039 } 1040 show_boot_progress (12); 1041 1042 *initrd_end = *initrd_start + rd_len; 1043 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 1044 *initrd_start, *initrd_end); 1045 1046 memmove_wd ((void *)*initrd_start, 1047 (void *)rd_data, rd_len, CHUNKSZ); 1048 1049 puts ("OK\n"); 1050 } 1051 } else { 1052 *initrd_start = 0; 1053 *initrd_end = 0; 1054 } 1055 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1056 *initrd_start, *initrd_end); 1057 1058 return 0; 1059 1060 error: 1061 return -1; 1062 } 1063 1064 /** 1065 * boot_get_cmdline - allocate and initialize kernel cmdline 1066 * @lmb: pointer to lmb handle, will be used for memory mgmt 1067 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1068 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1069 * @bootmap_base: ulong variable, holds offset in physical memory to 1070 * base of bootmap 1071 * 1072 * boot_get_cmdline() allocates space for kernel command line below 1073 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 1074 * variable is present its contents is copied to allocated kernel 1075 * command line. 1076 * 1077 * returns: 1078 * 0 - success 1079 * -1 - failure 1080 */ 1081 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 1082 ulong bootmap_base) 1083 { 1084 char *cmdline; 1085 char *s; 1086 1087 cmdline = (char *)lmb_alloc_base(lmb, CFG_BARGSIZE, 0xf, 1088 CFG_BOOTMAPSZ + bootmap_base); 1089 1090 if (cmdline == NULL) 1091 return -1; 1092 1093 if ((s = getenv("bootargs")) == NULL) 1094 s = ""; 1095 1096 strcpy(cmdline, s); 1097 1098 *cmd_start = (ulong) & cmdline[0]; 1099 *cmd_end = *cmd_start + strlen(cmdline); 1100 1101 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1102 1103 return 0; 1104 } 1105 1106 /** 1107 * boot_get_kbd - allocate and initialize kernel copy of board info 1108 * @lmb: pointer to lmb handle, will be used for memory mgmt 1109 * @kbd: double pointer to board info data 1110 * @bootmap_base: ulong variable, holds offset in physical memory to 1111 * base of bootmap 1112 * 1113 * boot_get_kbd() allocates space for kernel copy of board info data below 1114 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1115 * the current u-boot board info data. 1116 * 1117 * returns: 1118 * 0 - success 1119 * -1 - failure 1120 */ 1121 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1122 { 1123 *kbd = (bd_t *)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1124 CFG_BOOTMAPSZ + bootmap_base); 1125 if (*kbd == NULL) 1126 return -1; 1127 1128 **kbd = *(gd->bd); 1129 1130 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1131 1132 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1133 do_bdinfo(NULL, 0, 0, NULL); 1134 #endif 1135 1136 return 0; 1137 } 1138 #endif /* CONFIG_PPC || CONFIG_M68K */ 1139 #endif /* !USE_HOSTCC */ 1140 1141 #if defined(CONFIG_FIT) 1142 /*****************************************************************************/ 1143 /* New uImage format routines */ 1144 /*****************************************************************************/ 1145 #ifndef USE_HOSTCC 1146 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1147 ulong *addr, const char **name) 1148 { 1149 const char *sep; 1150 1151 *addr = addr_curr; 1152 *name = NULL; 1153 1154 sep = strchr (spec, sepc); 1155 if (sep) { 1156 if (sep - spec > 0) 1157 *addr = simple_strtoul (spec, NULL, 16); 1158 1159 *name = sep + 1; 1160 return 1; 1161 } 1162 1163 return 0; 1164 } 1165 1166 /** 1167 * fit_parse_conf - parse FIT configuration spec 1168 * @spec: input string, containing configuration spec 1169 * @add_curr: current image address (to be used as a possible default) 1170 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1171 * configuration 1172 * @conf_name double pointer to a char, will hold pointer to a configuration 1173 * unit name 1174 * 1175 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1176 * where <addr> is a FIT image address that contains configuration 1177 * with a <conf> unit name. 1178 * 1179 * Address part is optional, and if omitted default add_curr will 1180 * be used instead. 1181 * 1182 * returns: 1183 * 1 if spec is a valid configuration string, 1184 * addr and conf_name are set accordingly 1185 * 0 otherwise 1186 */ 1187 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1188 ulong *addr, const char **conf_name) 1189 { 1190 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1191 } 1192 1193 /** 1194 * fit_parse_subimage - parse FIT subimage spec 1195 * @spec: input string, containing subimage spec 1196 * @add_curr: current image address (to be used as a possible default) 1197 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1198 * subimage 1199 * @image_name: double pointer to a char, will hold pointer to a subimage name 1200 * 1201 * fit_parse_subimage() expects subimage spec in the for of 1202 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1203 * subimage with a <subimg> unit name. 1204 * 1205 * Address part is optional, and if omitted default add_curr will 1206 * be used instead. 1207 * 1208 * returns: 1209 * 1 if spec is a valid subimage string, 1210 * addr and image_name are set accordingly 1211 * 0 otherwise 1212 */ 1213 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1214 ulong *addr, const char **image_name) 1215 { 1216 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1217 } 1218 #endif /* !USE_HOSTCC */ 1219 1220 static void fit_get_debug (const void *fit, int noffset, 1221 char *prop_name, int err) 1222 { 1223 debug ("Can't get '%s' property from FIT 0x%08lx, " 1224 "node: offset %d, name %s (%s)\n", 1225 prop_name, (ulong)fit, noffset, 1226 fit_get_name (fit, noffset, NULL), 1227 fdt_strerror (err)); 1228 } 1229 1230 /** 1231 * fit_print_contents - prints out the contents of the FIT format image 1232 * @fit: pointer to the FIT format image header 1233 * @p: pointer to prefix string 1234 * 1235 * fit_print_contents() formats a multi line FIT image contents description. 1236 * The routine prints out FIT image properties (root node level) follwed by 1237 * the details of each component image. 1238 * 1239 * returns: 1240 * no returned results 1241 */ 1242 void fit_print_contents (const void *fit) 1243 { 1244 char *desc; 1245 char *uname; 1246 int images_noffset; 1247 int confs_noffset; 1248 int noffset; 1249 int ndepth; 1250 int count = 0; 1251 int ret; 1252 const char *p; 1253 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1254 time_t timestamp; 1255 #endif 1256 1257 #ifdef USE_HOSTCC 1258 p = ""; 1259 #else 1260 p = " "; 1261 #endif 1262 1263 /* Root node properties */ 1264 ret = fit_get_desc (fit, 0, &desc); 1265 printf ("%sFIT description: ", p); 1266 if (ret) 1267 printf ("unavailable\n"); 1268 else 1269 printf ("%s\n", desc); 1270 1271 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1272 ret = fit_get_timestamp (fit, 0, ×tamp); 1273 printf ("%sCreated: ", p); 1274 if (ret) 1275 printf ("unavailable\n"); 1276 else 1277 genimg_print_time (timestamp); 1278 #endif 1279 1280 /* Find images parent node offset */ 1281 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1282 if (images_noffset < 0) { 1283 printf ("Can't find images parent node '%s' (%s)\n", 1284 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1285 return; 1286 } 1287 1288 /* Process its subnodes, print out component images details */ 1289 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1290 (noffset >= 0) && (ndepth > 0); 1291 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1292 if (ndepth == 1) { 1293 /* 1294 * Direct child node of the images parent node, 1295 * i.e. component image node. 1296 */ 1297 printf ("%s Image %u (%s)\n", p, count++, 1298 fit_get_name(fit, noffset, NULL)); 1299 1300 fit_image_print (fit, noffset, p); 1301 } 1302 } 1303 1304 /* Find configurations parent node offset */ 1305 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 1306 if (confs_noffset < 0) { 1307 debug ("Can't get configurations parent node '%s' (%s)\n", 1308 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 1309 return; 1310 } 1311 1312 /* get default configuration unit name from default property */ 1313 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); 1314 if (uname) 1315 printf ("%s Default Configuration: '%s'\n", p, uname); 1316 1317 /* Process its subnodes, print out configurations details */ 1318 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); 1319 (noffset >= 0) && (ndepth > 0); 1320 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1321 if (ndepth == 1) { 1322 /* 1323 * Direct child node of the configurations parent node, 1324 * i.e. configuration node. 1325 */ 1326 printf ("%s Configuration %u (%s)\n", p, count++, 1327 fit_get_name(fit, noffset, NULL)); 1328 1329 fit_conf_print (fit, noffset, p); 1330 } 1331 } 1332 } 1333 1334 /** 1335 * fit_image_print - prints out the FIT component image details 1336 * @fit: pointer to the FIT format image header 1337 * @image_noffset: offset of the component image node 1338 * @p: pointer to prefix string 1339 * 1340 * fit_image_print() lists all mandatory properies for the processed component 1341 * image. If present, hash nodes are printed out as well. 1342 * 1343 * returns: 1344 * no returned results 1345 */ 1346 void fit_image_print (const void *fit, int image_noffset, const char *p) 1347 { 1348 char *desc; 1349 uint8_t type, arch, os, comp; 1350 size_t size; 1351 ulong load, entry; 1352 const void *data; 1353 int noffset; 1354 int ndepth; 1355 int ret; 1356 1357 /* Mandatory properties */ 1358 ret = fit_get_desc (fit, image_noffset, &desc); 1359 printf ("%s Description: ", p); 1360 if (ret) 1361 printf ("unavailable\n"); 1362 else 1363 printf ("%s\n", desc); 1364 1365 fit_image_get_type (fit, image_noffset, &type); 1366 printf ("%s Type: %s\n", p, genimg_get_type_name (type)); 1367 1368 fit_image_get_comp (fit, image_noffset, &comp); 1369 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); 1370 1371 ret = fit_image_get_data (fit, image_noffset, &data, &size); 1372 1373 #ifndef USE_HOSTCC 1374 printf ("%s Data Start: ", p); 1375 if (ret) 1376 printf ("unavailable\n"); 1377 else 1378 printf ("0x%08lx\n", (ulong)data); 1379 #endif 1380 1381 printf ("%s Data Size: ", p); 1382 if (ret) 1383 printf ("unavailable\n"); 1384 else 1385 genimg_print_size (size); 1386 1387 /* Remaining, type dependent properties */ 1388 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1389 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 1390 (type == IH_TYPE_FLATDT)) { 1391 fit_image_get_arch (fit, image_noffset, &arch); 1392 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); 1393 } 1394 1395 if (type == IH_TYPE_KERNEL) { 1396 fit_image_get_os (fit, image_noffset, &os); 1397 printf ("%s OS: %s\n", p, genimg_get_os_name (os)); 1398 } 1399 1400 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 1401 ret = fit_image_get_load (fit, image_noffset, &load); 1402 printf ("%s Load Address: ", p); 1403 if (ret) 1404 printf ("unavailable\n"); 1405 else 1406 printf ("0x%08lx\n", load); 1407 1408 fit_image_get_entry (fit, image_noffset, &entry); 1409 printf ("%s Entry Point: ", p); 1410 if (ret) 1411 printf ("unavailable\n"); 1412 else 1413 printf ("0x%08lx\n", entry); 1414 } 1415 1416 /* Process all hash subnodes of the component image node */ 1417 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1418 (noffset >= 0) && (ndepth > 0); 1419 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1420 if (ndepth == 1) { 1421 /* Direct child node of the component image node */ 1422 fit_image_print_hash (fit, noffset, p); 1423 } 1424 } 1425 } 1426 1427 /** 1428 * fit_image_print_hash - prints out the hash node details 1429 * @fit: pointer to the FIT format image header 1430 * @noffset: offset of the hash node 1431 * @p: pointer to prefix string 1432 * 1433 * fit_image_print_hash() lists properies for the processed hash node 1434 * 1435 * returns: 1436 * no returned results 1437 */ 1438 void fit_image_print_hash (const void *fit, int noffset, const char *p) 1439 { 1440 char *algo; 1441 uint8_t *value; 1442 int value_len; 1443 int i, ret; 1444 1445 /* 1446 * Check subnode name, must be equal to "hash". 1447 * Multiple hash nodes require unique unit node 1448 * names, e.g. hash@1, hash@2, etc. 1449 */ 1450 if (strncmp (fit_get_name(fit, noffset, NULL), 1451 FIT_HASH_NODENAME, 1452 strlen(FIT_HASH_NODENAME)) != 0) 1453 return; 1454 1455 debug ("%s Hash node: '%s'\n", p, 1456 fit_get_name (fit, noffset, NULL)); 1457 1458 printf ("%s Hash algo: ", p); 1459 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1460 printf ("invalid/unsupported\n"); 1461 return; 1462 } 1463 printf ("%s\n", algo); 1464 1465 ret = fit_image_hash_get_value (fit, noffset, &value, 1466 &value_len); 1467 printf ("%s Hash value: ", p); 1468 if (ret) { 1469 printf ("unavailable\n"); 1470 } else { 1471 for (i = 0; i < value_len; i++) 1472 printf ("%02x", value[i]); 1473 printf ("\n"); 1474 } 1475 1476 debug ("%s Hash len: %d\n", p, value_len); 1477 } 1478 1479 /** 1480 * fit_get_desc - get node description property 1481 * @fit: pointer to the FIT format image header 1482 * @noffset: node offset 1483 * @desc: double pointer to the char, will hold pointer to the descrption 1484 * 1485 * fit_get_desc() reads description property from a given node, if 1486 * description is found pointer to it is returened in third call argument. 1487 * 1488 * returns: 1489 * 0, on success 1490 * -1, on failure 1491 */ 1492 int fit_get_desc (const void *fit, int noffset, char **desc) 1493 { 1494 int len; 1495 1496 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); 1497 if (*desc == NULL) { 1498 fit_get_debug (fit, noffset, FIT_DESC_PROP, len); 1499 return -1; 1500 } 1501 1502 return 0; 1503 } 1504 1505 /** 1506 * fit_get_timestamp - get node timestamp property 1507 * @fit: pointer to the FIT format image header 1508 * @noffset: node offset 1509 * @timestamp: pointer to the time_t, will hold read timestamp 1510 * 1511 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 1512 * is found and has a correct size its value is retured in third call 1513 * argument. 1514 * 1515 * returns: 1516 * 0, on success 1517 * -1, on property read failure 1518 * -2, on wrong timestamp size 1519 */ 1520 int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) 1521 { 1522 int len; 1523 const void *data; 1524 1525 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); 1526 if (data == NULL) { 1527 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); 1528 return -1; 1529 } 1530 if (len != sizeof (uint32_t)) { 1531 debug ("FIT timestamp with incorrect size of (%u)\n", len); 1532 return -2; 1533 } 1534 1535 *timestamp = uimage_to_cpu (*((uint32_t *)data)); 1536 return 0; 1537 } 1538 1539 /** 1540 * fit_image_get_node - get node offset for component image of a given unit name 1541 * @fit: pointer to the FIT format image header 1542 * @image_uname: component image node unit name 1543 * 1544 * fit_image_get_node() finds a component image (withing the '/images' 1545 * node) of a provided unit name. If image is found its node offset is 1546 * returned to the caller. 1547 * 1548 * returns: 1549 * image node offset when found (>=0) 1550 * negative number on failure (FDT_ERR_* code) 1551 */ 1552 int fit_image_get_node (const void *fit, const char *image_uname) 1553 { 1554 int noffset, images_noffset; 1555 1556 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1557 if (images_noffset < 0) { 1558 debug ("Can't find images parent node '%s' (%s)\n", 1559 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1560 return images_noffset; 1561 } 1562 1563 noffset = fdt_subnode_offset (fit, images_noffset, image_uname); 1564 if (noffset < 0) { 1565 debug ("Can't get node offset for image unit name: '%s' (%s)\n", 1566 image_uname, fdt_strerror (noffset)); 1567 } 1568 1569 return noffset; 1570 } 1571 1572 /** 1573 * fit_image_get_os - get os id for a given component image node 1574 * @fit: pointer to the FIT format image header 1575 * @noffset: component image node offset 1576 * @os: pointer to the uint8_t, will hold os numeric id 1577 * 1578 * fit_image_get_os() finds os property in a given component image node. 1579 * If the property is found, its (string) value is translated to the numeric 1580 * id which is returned to the caller. 1581 * 1582 * returns: 1583 * 0, on success 1584 * -1, on failure 1585 */ 1586 int fit_image_get_os (const void *fit, int noffset, uint8_t *os) 1587 { 1588 int len; 1589 const void *data; 1590 1591 /* Get OS name from property data */ 1592 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); 1593 if (data == NULL) { 1594 fit_get_debug (fit, noffset, FIT_OS_PROP, len); 1595 *os = -1; 1596 return -1; 1597 } 1598 1599 /* Translate OS name to id */ 1600 *os = genimg_get_os_id (data); 1601 return 0; 1602 } 1603 1604 /** 1605 * fit_image_get_arch - get arch id for a given component image node 1606 * @fit: pointer to the FIT format image header 1607 * @noffset: component image node offset 1608 * @arch: pointer to the uint8_t, will hold arch numeric id 1609 * 1610 * fit_image_get_arch() finds arch property in a given component image node. 1611 * If the property is found, its (string) value is translated to the numeric 1612 * id which is returned to the caller. 1613 * 1614 * returns: 1615 * 0, on success 1616 * -1, on failure 1617 */ 1618 int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) 1619 { 1620 int len; 1621 const void *data; 1622 1623 /* Get architecture name from property data */ 1624 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); 1625 if (data == NULL) { 1626 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); 1627 *arch = -1; 1628 return -1; 1629 } 1630 1631 /* Translate architecture name to id */ 1632 *arch = genimg_get_arch_id (data); 1633 return 0; 1634 } 1635 1636 /** 1637 * fit_image_get_type - get type id for a given component image node 1638 * @fit: pointer to the FIT format image header 1639 * @noffset: component image node offset 1640 * @type: pointer to the uint8_t, will hold type numeric id 1641 * 1642 * fit_image_get_type() finds type property in a given component image node. 1643 * If the property is found, its (string) value is translated to the numeric 1644 * id which is returned to the caller. 1645 * 1646 * returns: 1647 * 0, on success 1648 * -1, on failure 1649 */ 1650 int fit_image_get_type (const void *fit, int noffset, uint8_t *type) 1651 { 1652 int len; 1653 const void *data; 1654 1655 /* Get image type name from property data */ 1656 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); 1657 if (data == NULL) { 1658 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); 1659 *type = -1; 1660 return -1; 1661 } 1662 1663 /* Translate image type name to id */ 1664 *type = genimg_get_type_id (data); 1665 return 0; 1666 } 1667 1668 /** 1669 * fit_image_get_comp - get comp id for a given component image node 1670 * @fit: pointer to the FIT format image header 1671 * @noffset: component image node offset 1672 * @comp: pointer to the uint8_t, will hold comp numeric id 1673 * 1674 * fit_image_get_comp() finds comp property in a given component image node. 1675 * If the property is found, its (string) value is translated to the numeric 1676 * id which is returned to the caller. 1677 * 1678 * returns: 1679 * 0, on success 1680 * -1, on failure 1681 */ 1682 int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) 1683 { 1684 int len; 1685 const void *data; 1686 1687 /* Get compression name from property data */ 1688 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); 1689 if (data == NULL) { 1690 fit_get_debug (fit, noffset, FIT_COMP_PROP, len); 1691 *comp = -1; 1692 return -1; 1693 } 1694 1695 /* Translate compression name to id */ 1696 *comp = genimg_get_comp_id (data); 1697 return 0; 1698 } 1699 1700 /** 1701 * fit_image_get_load - get load address property for a given component image node 1702 * @fit: pointer to the FIT format image header 1703 * @noffset: component image node offset 1704 * @load: pointer to the uint32_t, will hold load address 1705 * 1706 * fit_image_get_load() finds load address property in a given component image node. 1707 * If the property is found, its value is returned to the caller. 1708 * 1709 * returns: 1710 * 0, on success 1711 * -1, on failure 1712 */ 1713 int fit_image_get_load (const void *fit, int noffset, ulong *load) 1714 { 1715 int len; 1716 const uint32_t *data; 1717 1718 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); 1719 if (data == NULL) { 1720 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); 1721 return -1; 1722 } 1723 1724 *load = uimage_to_cpu (*data); 1725 return 0; 1726 } 1727 1728 /** 1729 * fit_image_get_entry - get entry point address property for a given component image node 1730 * @fit: pointer to the FIT format image header 1731 * @noffset: component image node offset 1732 * @entry: pointer to the uint32_t, will hold entry point address 1733 * 1734 * fit_image_get_entry() finds entry point address property in a given component image node. 1735 * If the property is found, its value is returned to the caller. 1736 * 1737 * returns: 1738 * 0, on success 1739 * -1, on failure 1740 */ 1741 int fit_image_get_entry (const void *fit, int noffset, ulong *entry) 1742 { 1743 int len; 1744 const uint32_t *data; 1745 1746 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); 1747 if (data == NULL) { 1748 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); 1749 return -1; 1750 } 1751 1752 *entry = uimage_to_cpu (*data); 1753 return 0; 1754 } 1755 1756 /** 1757 * fit_image_get_data - get data property and its size for a given component image node 1758 * @fit: pointer to the FIT format image header 1759 * @noffset: component image node offset 1760 * @data: double pointer to void, will hold data property's data address 1761 * @size: pointer to size_t, will hold data property's data size 1762 * 1763 * fit_image_get_data() finds data property in a given component image node. 1764 * If the property is found its data start address and size are returned to 1765 * the caller. 1766 * 1767 * returns: 1768 * 0, on success 1769 * -1, on failure 1770 */ 1771 int fit_image_get_data (const void *fit, int noffset, 1772 const void **data, size_t *size) 1773 { 1774 int len; 1775 1776 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); 1777 if (*data == NULL) { 1778 fit_get_debug (fit, noffset, FIT_DATA_PROP, len); 1779 *size = 0; 1780 return -1; 1781 } 1782 1783 *size = len; 1784 return 0; 1785 } 1786 1787 /** 1788 * fit_image_hash_get_algo - get hash algorithm name 1789 * @fit: pointer to the FIT format image header 1790 * @noffset: hash node offset 1791 * @algo: double pointer to char, will hold pointer to the algorithm name 1792 * 1793 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 1794 * If the property is found its data start address is returned to the caller. 1795 * 1796 * returns: 1797 * 0, on success 1798 * -1, on failure 1799 */ 1800 int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) 1801 { 1802 int len; 1803 1804 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); 1805 if (*algo == NULL) { 1806 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); 1807 return -1; 1808 } 1809 1810 return 0; 1811 } 1812 1813 /** 1814 * fit_image_hash_get_value - get hash value and length 1815 * @fit: pointer to the FIT format image header 1816 * @noffset: hash node offset 1817 * @value: double pointer to uint8_t, will hold address of a hash value data 1818 * @value_len: pointer to an int, will hold hash data length 1819 * 1820 * fit_image_hash_get_value() finds hash value property in a given hash node. 1821 * If the property is found its data start address and size are returned to 1822 * the caller. 1823 * 1824 * returns: 1825 * 0, on success 1826 * -1, on failure 1827 */ 1828 int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, 1829 int *value_len) 1830 { 1831 int len; 1832 1833 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); 1834 if (*value == NULL) { 1835 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); 1836 *value_len = 0; 1837 return -1; 1838 } 1839 1840 *value_len = len; 1841 return 0; 1842 } 1843 1844 /** 1845 * fit_set_timestamp - set node timestamp property 1846 * @fit: pointer to the FIT format image header 1847 * @noffset: node offset 1848 * @timestamp: timestamp value to be set 1849 * 1850 * fit_set_timestamp() attempts to set timestamp property in the requested 1851 * node and returns operation status to the caller. 1852 * 1853 * returns: 1854 * 0, on success 1855 * -1, on property read failure 1856 */ 1857 int fit_set_timestamp (void *fit, int noffset, time_t timestamp) 1858 { 1859 uint32_t t; 1860 int ret; 1861 1862 t = cpu_to_uimage (timestamp); 1863 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, 1864 sizeof (uint32_t)); 1865 if (ret) { 1866 printf ("Can't set '%s' property for '%s' node (%s)\n", 1867 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), 1868 fdt_strerror (ret)); 1869 return -1; 1870 } 1871 1872 return 0; 1873 } 1874 1875 /** 1876 * calculate_hash - calculate and return hash for provided input data 1877 * @data: pointer to the input data 1878 * @data_len: data length 1879 * @algo: requested hash algorithm 1880 * @value: pointer to the char, will hold hash value data (caller must 1881 * allocate enough free space) 1882 * value_len: length of the calculated hash 1883 * 1884 * calculate_hash() computes input data hash according to the requested algorithm. 1885 * Resulting hash value is placed in caller provided 'value' buffer, length 1886 * of the calculated hash is returned via value_len pointer argument. 1887 * 1888 * returns: 1889 * 0, on success 1890 * -1, when algo is unsupported 1891 */ 1892 static int calculate_hash (const void *data, int data_len, const char *algo, 1893 uint8_t *value, int *value_len) 1894 { 1895 if (strcmp (algo, "crc32") == 0 ) { 1896 *((uint32_t *)value) = crc32_wd (0, data, data_len, 1897 CHUNKSZ_CRC32); 1898 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); 1899 *value_len = 4; 1900 } else if (strcmp (algo, "sha1") == 0 ) { 1901 sha1_csum_wd ((unsigned char *) data, data_len, 1902 (unsigned char *) value, CHUNKSZ_SHA1); 1903 *value_len = 20; 1904 } else if (strcmp (algo, "md5") == 0 ) { 1905 md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5); 1906 *value_len = 16; 1907 } else { 1908 debug ("Unsupported hash alogrithm\n"); 1909 return -1; 1910 } 1911 return 0; 1912 } 1913 1914 #ifdef USE_HOSTCC 1915 /** 1916 * fit_set_hashes - process FIT component image nodes and calculate hashes 1917 * @fit: pointer to the FIT format image header 1918 * 1919 * fit_set_hashes() adds hash values for all component images in the FIT blob. 1920 * Hashes are calculated for all component images which have hash subnodes 1921 * with algorithm property set to one of the supported hash algorithms. 1922 * 1923 * returns 1924 * 0, on success 1925 * libfdt error code, on failure 1926 */ 1927 int fit_set_hashes (void *fit) 1928 { 1929 int images_noffset; 1930 int noffset; 1931 int ndepth; 1932 int ret; 1933 1934 /* Find images parent node offset */ 1935 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1936 if (images_noffset < 0) { 1937 printf ("Can't find images parent node '%s' (%s)\n", 1938 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1939 return images_noffset; 1940 } 1941 1942 /* Process its subnodes, print out component images details */ 1943 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1944 (noffset >= 0) && (ndepth > 0); 1945 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1946 if (ndepth == 1) { 1947 /* 1948 * Direct child node of the images parent node, 1949 * i.e. component image node. 1950 */ 1951 ret = fit_image_set_hashes (fit, noffset); 1952 if (ret) 1953 return ret; 1954 } 1955 } 1956 1957 return 0; 1958 } 1959 1960 /** 1961 * fit_image_set_hashes - calculate/set hashes for given component image node 1962 * @fit: pointer to the FIT format image header 1963 * @image_noffset: requested component image node 1964 * 1965 * fit_image_set_hashes() adds hash values for an component image node. All 1966 * existing hash subnodes are checked, if algorithm property is set to one of 1967 * the supported hash algorithms, hash value is computed and corresponding 1968 * hash node property is set, for example: 1969 * 1970 * Input component image node structure: 1971 * 1972 * o image@1 (at image_noffset) 1973 * | - data = [binary data] 1974 * o hash@1 1975 * |- algo = "sha1" 1976 * 1977 * Output component image node structure: 1978 * 1979 * o image@1 (at image_noffset) 1980 * | - data = [binary data] 1981 * o hash@1 1982 * |- algo = "sha1" 1983 * |- value = sha1(data) 1984 * 1985 * returns: 1986 * 0 on sucess 1987 * <0 on failure 1988 */ 1989 int fit_image_set_hashes (void *fit, int image_noffset) 1990 { 1991 const void *data; 1992 size_t size; 1993 char *algo; 1994 uint8_t value[FIT_MAX_HASH_LEN]; 1995 int value_len; 1996 int noffset; 1997 int ndepth; 1998 1999 /* Get image data and data length */ 2000 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2001 printf ("Can't get image data/size\n"); 2002 return -1; 2003 } 2004 2005 /* Process all hash subnodes of the component image node */ 2006 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2007 (noffset >= 0) && (ndepth > 0); 2008 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2009 if (ndepth == 1) { 2010 /* Direct child node of the component image node */ 2011 2012 /* 2013 * Check subnode name, must be equal to "hash". 2014 * Multiple hash nodes require unique unit node 2015 * names, e.g. hash@1, hash@2, etc. 2016 */ 2017 if (strncmp (fit_get_name(fit, noffset, NULL), 2018 FIT_HASH_NODENAME, 2019 strlen(FIT_HASH_NODENAME)) != 0) { 2020 /* Not a hash subnode, skip it */ 2021 continue; 2022 } 2023 2024 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2025 printf ("Can't get hash algo property for " 2026 "'%s' hash node in '%s' image node\n", 2027 fit_get_name (fit, noffset, NULL), 2028 fit_get_name (fit, image_noffset, NULL)); 2029 return -1; 2030 } 2031 2032 if (calculate_hash (data, size, algo, value, &value_len)) { 2033 printf ("Unsupported hash algorithm (%s) for " 2034 "'%s' hash node in '%s' image node\n", 2035 algo, fit_get_name (fit, noffset, NULL), 2036 fit_get_name (fit, image_noffset, NULL)); 2037 return -1; 2038 } 2039 2040 if (fit_image_hash_set_value (fit, noffset, value, 2041 value_len)) { 2042 printf ("Can't set hash value for " 2043 "'%s' hash node in '%s' image node\n", 2044 fit_get_name (fit, noffset, NULL), 2045 fit_get_name (fit, image_noffset, NULL)); 2046 return -1; 2047 } 2048 } 2049 } 2050 2051 return 0; 2052 } 2053 2054 /** 2055 * fit_image_hash_set_value - set hash value in requested has node 2056 * @fit: pointer to the FIT format image header 2057 * @noffset: hash node offset 2058 * @value: hash value to be set 2059 * @value_len: hash value length 2060 * 2061 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2062 * given and returns operation status to the caller. 2063 * 2064 * returns 2065 * 0, on success 2066 * -1, on failure 2067 */ 2068 int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, 2069 int value_len) 2070 { 2071 int ret; 2072 2073 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); 2074 if (ret) { 2075 printf ("Can't set hash '%s' property for '%s' node (%s)\n", 2076 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), 2077 fdt_strerror (ret)); 2078 return -1; 2079 } 2080 2081 return 0; 2082 } 2083 #endif /* USE_HOSTCC */ 2084 2085 /** 2086 * fit_image_check_hashes - verify data intergity 2087 * @fit: pointer to the FIT format image header 2088 * @image_noffset: component image node offset 2089 * 2090 * fit_image_check_hashes() goes over component image hash nodes, 2091 * re-calculates each data hash and compares with the value stored in hash 2092 * node. 2093 * 2094 * returns: 2095 * 1, if all hashes are valid 2096 * 0, otherwise (or on error) 2097 */ 2098 int fit_image_check_hashes (const void *fit, int image_noffset) 2099 { 2100 const void *data; 2101 size_t size; 2102 char *algo; 2103 uint8_t *fit_value; 2104 int fit_value_len; 2105 uint8_t value[FIT_MAX_HASH_LEN]; 2106 int value_len; 2107 int noffset; 2108 int ndepth; 2109 char *err_msg = ""; 2110 2111 /* Get image data and data length */ 2112 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2113 printf ("Can't get image data/size\n"); 2114 return 0; 2115 } 2116 2117 /* Process all hash subnodes of the component image node */ 2118 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2119 (noffset >= 0) && (ndepth > 0); 2120 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2121 if (ndepth == 1) { 2122 /* Direct child node of the component image node */ 2123 2124 /* 2125 * Check subnode name, must be equal to "hash". 2126 * Multiple hash nodes require unique unit node 2127 * names, e.g. hash@1, hash@2, etc. 2128 */ 2129 if (strncmp (fit_get_name(fit, noffset, NULL), 2130 FIT_HASH_NODENAME, 2131 strlen(FIT_HASH_NODENAME)) != 0) 2132 continue; 2133 2134 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2135 err_msg = "Can't get hash algo property"; 2136 goto error; 2137 } 2138 printf ("%s", algo); 2139 2140 if (fit_image_hash_get_value (fit, noffset, &fit_value, 2141 &fit_value_len)) { 2142 err_msg = "Can't get hash value property"; 2143 goto error; 2144 } 2145 2146 if (calculate_hash (data, size, algo, value, &value_len)) { 2147 err_msg = "Unsupported hash algorithm"; 2148 goto error; 2149 } 2150 2151 if (value_len != fit_value_len) { 2152 err_msg = "Bad hash value len"; 2153 goto error; 2154 } else if (memcmp (value, fit_value, value_len) != 0) { 2155 err_msg = "Bad hash value"; 2156 goto error; 2157 } 2158 printf ("+ "); 2159 } 2160 } 2161 2162 return 1; 2163 2164 error: 2165 printf ("%s for '%s' hash node in '%s' image node\n", 2166 err_msg, fit_get_name (fit, noffset, NULL), 2167 fit_get_name (fit, image_noffset, NULL)); 2168 return 0; 2169 } 2170 2171 /** 2172 * fit_image_check_os - check whether image node is of a given os type 2173 * @fit: pointer to the FIT format image header 2174 * @noffset: component image node offset 2175 * @os: requested image os 2176 * 2177 * fit_image_check_os() reads image os property and compares its numeric 2178 * id with the requested os. Comparison result is returned to the caller. 2179 * 2180 * returns: 2181 * 1 if image is of given os type 2182 * 0 otherwise (or on error) 2183 */ 2184 int fit_image_check_os (const void *fit, int noffset, uint8_t os) 2185 { 2186 uint8_t image_os; 2187 2188 if (fit_image_get_os (fit, noffset, &image_os)) 2189 return 0; 2190 return (os == image_os); 2191 } 2192 2193 /** 2194 * fit_image_check_arch - check whether image node is of a given arch 2195 * @fit: pointer to the FIT format image header 2196 * @noffset: component image node offset 2197 * @arch: requested imagearch 2198 * 2199 * fit_image_check_arch() reads image arch property and compares its numeric 2200 * id with the requested arch. Comparison result is returned to the caller. 2201 * 2202 * returns: 2203 * 1 if image is of given arch 2204 * 0 otherwise (or on error) 2205 */ 2206 int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) 2207 { 2208 uint8_t image_arch; 2209 2210 if (fit_image_get_arch (fit, noffset, &image_arch)) 2211 return 0; 2212 return (arch == image_arch); 2213 } 2214 2215 /** 2216 * fit_image_check_type - check whether image node is of a given type 2217 * @fit: pointer to the FIT format image header 2218 * @noffset: component image node offset 2219 * @type: requested image type 2220 * 2221 * fit_image_check_type() reads image type property and compares its numeric 2222 * id with the requested type. Comparison result is returned to the caller. 2223 * 2224 * returns: 2225 * 1 if image is of given type 2226 * 0 otherwise (or on error) 2227 */ 2228 int fit_image_check_type (const void *fit, int noffset, uint8_t type) 2229 { 2230 uint8_t image_type; 2231 2232 if (fit_image_get_type (fit, noffset, &image_type)) 2233 return 0; 2234 return (type == image_type); 2235 } 2236 2237 /** 2238 * fit_image_check_comp - check whether image node uses given compression 2239 * @fit: pointer to the FIT format image header 2240 * @noffset: component image node offset 2241 * @comp: requested image compression type 2242 * 2243 * fit_image_check_comp() reads image compression property and compares its 2244 * numeric id with the requested compression type. Comparison result is 2245 * returned to the caller. 2246 * 2247 * returns: 2248 * 1 if image uses requested compression 2249 * 0 otherwise (or on error) 2250 */ 2251 int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) 2252 { 2253 uint8_t image_comp; 2254 2255 if (fit_image_get_comp (fit, noffset, &image_comp)) 2256 return 0; 2257 return (comp == image_comp); 2258 } 2259 2260 /** 2261 * fit_check_format - sanity check FIT image format 2262 * @fit: pointer to the FIT format image header 2263 * 2264 * fit_check_format() runs a basic sanity FIT image verification. 2265 * Routine checks for mandatory properties, nodes, etc. 2266 * 2267 * returns: 2268 * 1, on success 2269 * 0, on failure 2270 */ 2271 int fit_check_format (const void *fit) 2272 { 2273 /* mandatory / node 'description' property */ 2274 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2275 debug ("Wrong FIT format: no description\n"); 2276 return 0; 2277 } 2278 2279 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2280 /* mandatory / node 'timestamp' property */ 2281 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2282 debug ("Wrong FIT format: no description\n"); 2283 return 0; 2284 } 2285 #endif 2286 2287 /* mandatory subimages parent '/images' node */ 2288 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { 2289 debug ("Wrong FIT format: no images parent node\n"); 2290 return 0; 2291 } 2292 2293 return 1; 2294 } 2295 2296 /** 2297 * fit_conf_get_node - get node offset for configuration of a given unit name 2298 * @fit: pointer to the FIT format image header 2299 * @conf_uname: configuration node unit name 2300 * 2301 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2302 * parant node) of a provided unit name. If configuration is found its node offset 2303 * is returned to the caller. 2304 * 2305 * When NULL is provided in second argument fit_conf_get_node() will search 2306 * for a default configuration node instead. Default configuration node unit name 2307 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2308 * 2309 * returns: 2310 * configuration node offset when found (>=0) 2311 * negative number on failure (FDT_ERR_* code) 2312 */ 2313 int fit_conf_get_node (const void *fit, const char *conf_uname) 2314 { 2315 int noffset, confs_noffset; 2316 int len; 2317 2318 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 2319 if (confs_noffset < 0) { 2320 debug ("Can't find configurations parent node '%s' (%s)\n", 2321 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 2322 return confs_noffset; 2323 } 2324 2325 if (conf_uname == NULL) { 2326 /* get configuration unit name from the default property */ 2327 debug ("No configuration specified, trying default...\n"); 2328 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); 2329 if (conf_uname == NULL) { 2330 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); 2331 return len; 2332 } 2333 debug ("Found default configuration: '%s'\n", conf_uname); 2334 } 2335 2336 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); 2337 if (noffset < 0) { 2338 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", 2339 conf_uname, fdt_strerror (noffset)); 2340 } 2341 2342 return noffset; 2343 } 2344 2345 static int __fit_conf_get_prop_node (const void *fit, int noffset, 2346 const char *prop_name) 2347 { 2348 char *uname; 2349 int len; 2350 2351 /* get kernel image unit name from configuration kernel property */ 2352 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); 2353 if (uname == NULL) 2354 return len; 2355 2356 return fit_image_get_node (fit, uname); 2357 } 2358 2359 /** 2360 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 2361 * a given configuration 2362 * @fit: pointer to the FIT format image header 2363 * @noffset: configuration node offset 2364 * 2365 * fit_conf_get_kernel_node() retrives kernel image node unit name from 2366 * configuration FIT_KERNEL_PROP property and translates it to the node 2367 * offset. 2368 * 2369 * returns: 2370 * image node offset when found (>=0) 2371 * negative number on failure (FDT_ERR_* code) 2372 */ 2373 int fit_conf_get_kernel_node (const void *fit, int noffset) 2374 { 2375 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); 2376 } 2377 2378 /** 2379 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 2380 * a given configuration 2381 * @fit: pointer to the FIT format image header 2382 * @noffset: configuration node offset 2383 * 2384 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 2385 * configuration FIT_KERNEL_PROP property and translates it to the node 2386 * offset. 2387 * 2388 * returns: 2389 * image node offset when found (>=0) 2390 * negative number on failure (FDT_ERR_* code) 2391 */ 2392 int fit_conf_get_ramdisk_node (const void *fit, int noffset) 2393 { 2394 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); 2395 } 2396 2397 /** 2398 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 2399 * a given configuration 2400 * @fit: pointer to the FIT format image header 2401 * @noffset: configuration node offset 2402 * 2403 * fit_conf_get_fdt_node() retrives fdt image node unit name from 2404 * configuration FIT_KERNEL_PROP property and translates it to the node 2405 * offset. 2406 * 2407 * returns: 2408 * image node offset when found (>=0) 2409 * negative number on failure (FDT_ERR_* code) 2410 */ 2411 int fit_conf_get_fdt_node (const void *fit, int noffset) 2412 { 2413 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); 2414 } 2415 2416 /** 2417 * fit_conf_print - prints out the FIT configuration details 2418 * @fit: pointer to the FIT format image header 2419 * @noffset: offset of the configuration node 2420 * @p: pointer to prefix string 2421 * 2422 * fit_conf_print() lists all mandatory properies for the processed 2423 * configuration node. 2424 * 2425 * returns: 2426 * no returned results 2427 */ 2428 void fit_conf_print (const void *fit, int noffset, const char *p) 2429 { 2430 char *desc; 2431 char *uname; 2432 int ret; 2433 2434 /* Mandatory properties */ 2435 ret = fit_get_desc (fit, noffset, &desc); 2436 printf ("%s Description: ", p); 2437 if (ret) 2438 printf ("unavailable\n"); 2439 else 2440 printf ("%s\n", desc); 2441 2442 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); 2443 printf ("%s Kernel: ", p); 2444 if (uname == NULL) 2445 printf ("unavailable\n"); 2446 else 2447 printf ("%s\n", uname); 2448 2449 /* Optional properties */ 2450 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); 2451 if (uname) 2452 printf ("%s Init Ramdisk: %s\n", p, uname); 2453 2454 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); 2455 if (uname) 2456 printf ("%s FDT: %s\n", p, uname); 2457 } 2458 2459 /** 2460 * fit_check_ramdisk - verify FIT format ramdisk subimage 2461 * @fit_hdr: pointer to the FIT ramdisk header 2462 * @rd_noffset: ramdisk subimage node offset within FIT image 2463 * @arch: requested ramdisk image architecture type 2464 * @verify: data CRC verification flag 2465 * 2466 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 2467 * specified FIT image. 2468 * 2469 * returns: 2470 * 1, on success 2471 * 0, on failure 2472 */ 2473 #ifndef USE_HOSTCC 2474 static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) 2475 { 2476 fit_image_print (fit, rd_noffset, " "); 2477 2478 if (verify) { 2479 puts (" Verifying Hash Integrity ... "); 2480 if (!fit_image_check_hashes (fit, rd_noffset)) { 2481 puts ("Bad Data Hash\n"); 2482 show_boot_progress (-125); 2483 return 0; 2484 } 2485 puts ("OK\n"); 2486 } 2487 2488 show_boot_progress (126); 2489 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || 2490 !fit_image_check_arch (fit, rd_noffset, arch) || 2491 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { 2492 printf ("No Linux %s Ramdisk Image\n", 2493 genimg_get_arch_name(arch)); 2494 show_boot_progress (-126); 2495 return 0; 2496 } 2497 2498 show_boot_progress (127); 2499 return 1; 2500 } 2501 #endif /* USE_HOSTCC */ 2502 #endif /* CONFIG_FIT */ 2503