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 #define DEBUG 27 28 #ifndef USE_HOSTCC 29 #include <common.h> 30 #include <watchdog.h> 31 32 #ifdef CONFIG_SHOW_BOOT_PROGRESS 33 #include <status_led.h> 34 #endif 35 36 #ifdef CONFIG_HAS_DATAFLASH 37 #include <dataflash.h> 38 #endif 39 40 #ifdef CONFIG_LOGBUFFER 41 #include <logbuff.h> 42 #endif 43 44 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) 45 #include <rtc.h> 46 #endif 47 48 #include <image.h> 49 50 #if defined(CONFIG_FIT) || defined (CONFIG_OF_LIBFDT) 51 #include <fdt.h> 52 #include <libfdt.h> 53 #include <fdt_support.h> 54 #endif 55 56 #if defined(CONFIG_FIT) 57 #include <sha1.h> 58 59 static int fit_check_ramdisk (const void *fit, int os_noffset, 60 uint8_t arch, int verify); 61 #endif 62 63 #ifdef CONFIG_CMD_BDI 64 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); 65 #endif 66 67 DECLARE_GLOBAL_DATA_PTR; 68 69 static image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag, 70 int argc, char *argv[], 71 ulong rd_addr, uint8_t arch, int verify); 72 #else 73 #include "mkimage.h" 74 #include <time.h> 75 #include <image.h> 76 #endif /* !USE_HOSTCC*/ 77 78 typedef struct table_entry { 79 int id; /* as defined in image.h */ 80 char *sname; /* short (input) name */ 81 char *lname; /* long (output) name */ 82 } table_entry_t; 83 84 static table_entry_t uimage_arch[] = { 85 { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, 86 { IH_ARCH_ALPHA, "alpha", "Alpha", }, 87 { IH_ARCH_ARM, "arm", "ARM", }, 88 { IH_ARCH_I386, "x86", "Intel x86", }, 89 { IH_ARCH_IA64, "ia64", "IA64", }, 90 { IH_ARCH_M68K, "m68k", "M68K", }, 91 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, 92 { IH_ARCH_MIPS, "mips", "MIPS", }, 93 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, 94 { IH_ARCH_NIOS, "nios", "NIOS", }, 95 { IH_ARCH_NIOS2, "nios2", "NIOS II", }, 96 { IH_ARCH_PPC, "ppc", "PowerPC", }, 97 { IH_ARCH_S390, "s390", "IBM S390", }, 98 { IH_ARCH_SH, "sh", "SuperH", }, 99 { IH_ARCH_SPARC, "sparc", "SPARC", }, 100 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, 101 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, 102 { IH_ARCH_AVR32, "avr32", "AVR32", }, 103 { -1, "", "", }, 104 }; 105 106 static table_entry_t uimage_os[] = { 107 { IH_OS_INVALID, NULL, "Invalid OS", }, 108 #if defined(CONFIG_ARTOS) || defined(USE_HOSTCC) 109 { IH_OS_ARTOS, "artos", "ARTOS", }, 110 #endif 111 { IH_OS_LINUX, "linux", "Linux", }, 112 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 113 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 114 #endif 115 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 116 { IH_OS_RTEMS, "rtems", "RTEMS", }, 117 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 118 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 119 { IH_OS_QNX, "qnx", "QNX", }, 120 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 121 #endif 122 #ifdef USE_HOSTCC 123 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 124 { IH_OS_DELL, "dell", "Dell", }, 125 { IH_OS_ESIX, "esix", "Esix", }, 126 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 127 { IH_OS_IRIX, "irix", "Irix", }, 128 { IH_OS_NCR, "ncr", "NCR", }, 129 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 130 { IH_OS_PSOS, "psos", "pSOS", }, 131 { IH_OS_SCO, "sco", "SCO", }, 132 { IH_OS_SOLARIS, "solaris", "Solaris", }, 133 { IH_OS_SVR4, "svr4", "SVR4", }, 134 #endif 135 { -1, "", "", }, 136 }; 137 138 static table_entry_t uimage_type[] = { 139 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 140 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 141 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 142 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 143 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 144 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 145 { IH_TYPE_SCRIPT, "script", "Script", }, 146 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 147 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 148 { -1, "", "", }, 149 }; 150 151 static table_entry_t uimage_comp[] = { 152 { IH_COMP_NONE, "none", "uncompressed", }, 153 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 154 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 155 { -1, "", "", }, 156 }; 157 158 unsigned long crc32 (unsigned long, const unsigned char *, unsigned int); 159 static void genimg_print_size (uint32_t size); 160 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 161 static void genimg_print_time (time_t timestamp); 162 #endif 163 164 /*****************************************************************************/ 165 /* Legacy format routines */ 166 /*****************************************************************************/ 167 int image_check_hcrc (image_header_t *hdr) 168 { 169 ulong hcrc; 170 ulong len = image_get_header_size (); 171 image_header_t header; 172 173 /* Copy header so we can blank CRC field for re-calculation */ 174 memmove (&header, (char *)hdr, image_get_header_size ()); 175 image_set_hcrc (&header, 0); 176 177 hcrc = crc32 (0, (unsigned char *)&header, len); 178 179 return (hcrc == image_get_hcrc (hdr)); 180 } 181 182 int image_check_dcrc (image_header_t *hdr) 183 { 184 ulong data = image_get_data (hdr); 185 ulong len = image_get_data_size (hdr); 186 ulong dcrc = crc32 (0, (unsigned char *)data, len); 187 188 return (dcrc == image_get_dcrc (hdr)); 189 } 190 191 #ifndef USE_HOSTCC 192 int image_check_dcrc_wd (image_header_t *hdr, ulong chunksz) 193 { 194 ulong dcrc = 0; 195 ulong len = image_get_data_size (hdr); 196 ulong data = image_get_data (hdr); 197 198 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 199 ulong cdata = data; 200 ulong edata = cdata + len; 201 202 while (cdata < edata) { 203 ulong chunk = edata - cdata; 204 205 if (chunk > chunksz) 206 chunk = chunksz; 207 dcrc = crc32 (dcrc, (unsigned char *)cdata, chunk); 208 cdata += chunk; 209 210 WATCHDOG_RESET (); 211 } 212 #else 213 dcrc = crc32 (0, (unsigned char *)data, len); 214 #endif 215 216 return (dcrc == image_get_dcrc (hdr)); 217 } 218 #endif /* !USE_HOSTCC */ 219 220 /** 221 * image_multi_count - get component (sub-image) count 222 * @hdr: pointer to the header of the multi component image 223 * 224 * image_multi_count() returns number of components in a multi 225 * component image. 226 * 227 * Note: no checking of the image type is done, caller must pass 228 * a valid multi component image. 229 * 230 * returns: 231 * number of components 232 */ 233 ulong image_multi_count (image_header_t *hdr) 234 { 235 ulong i, count = 0; 236 uint32_t *size; 237 238 /* get start of the image payload, which in case of multi 239 * component images that points to a table of component sizes */ 240 size = (uint32_t *)image_get_data (hdr); 241 242 /* count non empty slots */ 243 for (i = 0; size[i]; ++i) 244 count++; 245 246 return count; 247 } 248 249 /** 250 * image_multi_getimg - get component data address and size 251 * @hdr: pointer to the header of the multi component image 252 * @idx: index of the requested component 253 * @data: pointer to a ulong variable, will hold component data address 254 * @len: pointer to a ulong variable, will hold component size 255 * 256 * image_multi_getimg() returns size and data address for the requested 257 * component in a multi component image. 258 * 259 * Note: no checking of the image type is done, caller must pass 260 * a valid multi component image. 261 * 262 * returns: 263 * data address and size of the component, if idx is valid 264 * 0 in data and len, if idx is out of range 265 */ 266 void image_multi_getimg (image_header_t *hdr, ulong idx, 267 ulong *data, ulong *len) 268 { 269 int i; 270 uint32_t *size; 271 ulong offset, tail, count, img_data; 272 273 /* get number of component */ 274 count = image_multi_count (hdr); 275 276 /* get start of the image payload, which in case of multi 277 * component images that points to a table of component sizes */ 278 size = (uint32_t *)image_get_data (hdr); 279 280 /* get address of the proper component data start, which means 281 * skipping sizes table (add 1 for last, null entry) */ 282 img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t); 283 284 if (idx < count) { 285 *len = uimage_to_cpu (size[idx]); 286 offset = 0; 287 tail = 0; 288 289 /* go over all indices preceding requested component idx */ 290 for (i = 0; i < idx; i++) { 291 /* add up i-th component size */ 292 offset += uimage_to_cpu (size[i]); 293 294 /* add up alignment for i-th component */ 295 tail += (4 - uimage_to_cpu (size[i]) % 4); 296 } 297 298 /* calculate idx-th component data address */ 299 *data = img_data + offset + tail; 300 } else { 301 *len = 0; 302 *data = 0; 303 } 304 } 305 306 static void image_print_type (image_header_t *hdr) 307 { 308 const char *os, *arch, *type, *comp; 309 310 os = genimg_get_os_name (image_get_os (hdr)); 311 arch = genimg_get_arch_name (image_get_arch (hdr)); 312 type = genimg_get_type_name (image_get_type (hdr)); 313 comp = genimg_get_comp_name (image_get_comp (hdr)); 314 315 printf ("%s %s %s (%s)\n", arch, os, type, comp); 316 } 317 318 /** 319 * __image_print_contents - prints out the contents of the legacy format image 320 * @hdr: pointer to the legacy format image header 321 * @p: pointer to prefix string 322 * 323 * __image_print_contents() formats a multi line legacy image contents description. 324 * The routine prints out all header fields followed by the size/offset data 325 * for MULTI/SCRIPT images. 326 * 327 * returns: 328 * no returned results 329 */ 330 static void __image_print_contents (image_header_t *hdr, const char *p) 331 { 332 printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); 333 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 334 printf ("%sCreated: ", p); 335 genimg_print_time ((time_t)image_get_time (hdr)); 336 #endif 337 printf ("%sImage Type: ", p); 338 image_print_type (hdr); 339 printf ("%sData Size: ", p); 340 genimg_print_size (image_get_data_size (hdr)); 341 printf ("%sLoad Address: %08x\n", p, image_get_load (hdr)); 342 printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr)); 343 344 if (image_check_type (hdr, IH_TYPE_MULTI) || 345 image_check_type (hdr, IH_TYPE_SCRIPT)) { 346 int i; 347 ulong data, len; 348 ulong count = image_multi_count (hdr); 349 350 printf ("%sContents:\n", p); 351 for (i = 0; i < count; i++) { 352 image_multi_getimg (hdr, i, &data, &len); 353 354 printf ("%s Image %d: ", p, i); 355 genimg_print_size (len); 356 357 if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { 358 /* 359 * the user may need to know offsets 360 * if planning to do something with 361 * multiple files 362 */ 363 printf ("%s Offset = 0x%08lx\n", p, data); 364 } 365 } 366 } 367 } 368 369 inline void image_print_contents (image_header_t *hdr) 370 { 371 __image_print_contents (hdr, " "); 372 } 373 374 inline void image_print_contents_noindent (image_header_t *hdr) 375 { 376 __image_print_contents (hdr, ""); 377 } 378 379 #ifndef USE_HOSTCC 380 /** 381 * image_get_ramdisk - get and verify ramdisk image 382 * @cmdtp: command table pointer 383 * @flag: command flag 384 * @argc: command argument count 385 * @argv: command argument list 386 * @rd_addr: ramdisk image start address 387 * @arch: expected ramdisk architecture 388 * @verify: checksum verification flag 389 * 390 * image_get_ramdisk() returns a pointer to the verified ramdisk image 391 * header. Routine receives image start address and expected architecture 392 * flag. Verification done covers data and header integrity and os/type/arch 393 * fields checking. 394 * 395 * If dataflash support is enabled routine checks for dataflash addresses 396 * and handles required dataflash reads. 397 * 398 * returns: 399 * pointer to a ramdisk image header, if image was found and valid 400 * otherwise, return NULL 401 */ 402 static image_header_t* image_get_ramdisk (cmd_tbl_t *cmdtp, int flag, 403 int argc, char *argv[], 404 ulong rd_addr, uint8_t arch, int verify) 405 { 406 image_header_t *rd_hdr; 407 408 show_boot_progress (9); 409 rd_hdr = (image_header_t *)rd_addr; 410 411 if (!image_check_magic (rd_hdr)) { 412 puts ("Bad Magic Number\n"); 413 show_boot_progress (-10); 414 return NULL; 415 } 416 417 if (!image_check_hcrc (rd_hdr)) { 418 puts ("Bad Header Checksum\n"); 419 show_boot_progress (-11); 420 return NULL; 421 } 422 423 show_boot_progress (10); 424 image_print_contents (rd_hdr); 425 426 if (verify) { 427 puts(" Verifying Checksum ... "); 428 if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) { 429 puts ("Bad Data CRC\n"); 430 show_boot_progress (-12); 431 return NULL; 432 } 433 puts("OK\n"); 434 } 435 436 show_boot_progress (11); 437 438 if (!image_check_os (rd_hdr, IH_OS_LINUX) || 439 !image_check_arch (rd_hdr, arch) || 440 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { 441 printf ("No Linux %s Ramdisk Image\n", 442 genimg_get_arch_name(arch)); 443 show_boot_progress (-13); 444 return NULL; 445 } 446 447 return rd_hdr; 448 } 449 #endif /* !USE_HOSTCC */ 450 451 /*****************************************************************************/ 452 /* Shared dual-format routines */ 453 /*****************************************************************************/ 454 #ifndef USE_HOSTCC 455 int getenv_verify (void) 456 { 457 char *s = getenv ("verify"); 458 return (s && (*s == 'n')) ? 0 : 1; 459 } 460 461 int getenv_autostart (void) 462 { 463 char *s = getenv ("autostart"); 464 return (s && (*s == 'n')) ? 0 : 1; 465 } 466 467 ulong getenv_bootm_low(void) 468 { 469 char *s = getenv ("bootm_low"); 470 if (s) { 471 ulong tmp = simple_strtoul (s, NULL, 16); 472 return tmp; 473 } 474 475 #ifdef CFG_SDRAM_BASE 476 return CFG_SDRAM_BASE; 477 #else 478 return 0; 479 #endif 480 } 481 482 ulong getenv_bootm_size(void) 483 { 484 char *s = getenv ("bootm_size"); 485 if (s) { 486 ulong tmp = simple_strtoul (s, NULL, 16); 487 return tmp; 488 } 489 490 return gd->bd->bi_memsize; 491 } 492 493 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 494 { 495 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 496 while (len > 0) { 497 size_t tail = (len > chunksz) ? chunksz : len; 498 WATCHDOG_RESET (); 499 memmove (to, from, tail); 500 to += tail; 501 from += tail; 502 len -= tail; 503 } 504 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 505 memmove (to, from, len); 506 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 507 } 508 #endif /* !USE_HOSTCC */ 509 510 static void genimg_print_size (uint32_t size) 511 { 512 #ifndef USE_HOSTCC 513 printf ("%d Bytes = ", size); 514 print_size (size, "\n"); 515 #else 516 printf ("%d Bytes = %.2f kB = %.2f MB\n", 517 size, (double)size / 1.024e3, 518 (double)size / 1.048576e6); 519 #endif 520 } 521 522 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 523 static void genimg_print_time (time_t timestamp) 524 { 525 #ifndef USE_HOSTCC 526 struct rtc_time tm; 527 528 to_tm (timestamp, &tm); 529 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 530 tm.tm_year, tm.tm_mon, tm.tm_mday, 531 tm.tm_hour, tm.tm_min, tm.tm_sec); 532 #else 533 printf ("%s", ctime(×tamp)); 534 #endif 535 } 536 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 537 538 /** 539 * get_table_entry_name - translate entry id to long name 540 * @table: pointer to a translation table for entries of a specific type 541 * @msg: message to be returned when translation fails 542 * @id: entry id to be translated 543 * 544 * get_table_entry_name() will go over translation table trying to find 545 * entry that matches given id. If matching entry is found, its long 546 * name is returned to the caller. 547 * 548 * returns: 549 * long entry name if translation succeeds 550 * msg otherwise 551 */ 552 static char *get_table_entry_name (table_entry_t *table, char *msg, int id) 553 { 554 for (; table->id >= 0; ++table) { 555 if (table->id == id) 556 return (table->lname); 557 } 558 return (msg); 559 } 560 561 const char *genimg_get_os_name (uint8_t os) 562 { 563 return (get_table_entry_name (uimage_os, "Unknown OS", os)); 564 } 565 566 const char *genimg_get_arch_name (uint8_t arch) 567 { 568 return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); 569 } 570 571 const char *genimg_get_type_name (uint8_t type) 572 { 573 return (get_table_entry_name (uimage_type, "Unknown Image", type)); 574 } 575 576 const char *genimg_get_comp_name (uint8_t comp) 577 { 578 return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); 579 } 580 581 /** 582 * get_table_entry_id - translate short entry name to id 583 * @table: pointer to a translation table for entries of a specific type 584 * @table_name: to be used in case of error 585 * @name: entry short name to be translated 586 * 587 * get_table_entry_id() will go over translation table trying to find 588 * entry that matches given short name. If matching entry is found, 589 * its id returned to the caller. 590 * 591 * returns: 592 * entry id if translation succeeds 593 * -1 otherwise 594 */ 595 static int get_table_entry_id (table_entry_t *table, 596 const char *table_name, const char *name) 597 { 598 table_entry_t *t; 599 #ifdef USE_HOSTCC 600 int first = 1; 601 602 for (t = table; t->id >= 0; ++t) { 603 if (t->sname && strcasecmp(t->sname, name) == 0) 604 return (t->id); 605 } 606 607 fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); 608 for (t = table; t->id >= 0; ++t) { 609 if (t->sname == NULL) 610 continue; 611 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); 612 first = 0; 613 } 614 fprintf (stderr, "\n"); 615 #else 616 for (t = table; t->id >= 0; ++t) { 617 if (t->sname && strcmp(t->sname, name) == 0) 618 return (t->id); 619 } 620 debug ("Invalid %s Type: %s\n", table_name, name); 621 #endif /* USE_HOSTCC */ 622 return (-1); 623 } 624 625 int genimg_get_os_id (const char *name) 626 { 627 return (get_table_entry_id (uimage_os, "OS", name)); 628 } 629 630 int genimg_get_arch_id (const char *name) 631 { 632 return (get_table_entry_id (uimage_arch, "CPU", name)); 633 } 634 635 int genimg_get_type_id (const char *name) 636 { 637 return (get_table_entry_id (uimage_type, "Image", name)); 638 } 639 640 int genimg_get_comp_id (const char *name) 641 { 642 return (get_table_entry_id (uimage_comp, "Compression", name)); 643 } 644 645 #ifndef USE_HOSTCC 646 /** 647 * genimg_get_format - get image format type 648 * @img_addr: image start address 649 * 650 * genimg_get_format() checks whether provided address points to a valid 651 * legacy or FIT image. 652 * 653 * New uImage format and FDT blob are based on a libfdt. FDT blob 654 * may be passed directly or embedded in a FIT image. In both situations 655 * genimg_get_format() must be able to dectect libfdt header. 656 * 657 * returns: 658 * image format type or IMAGE_FORMAT_INVALID if no image is present 659 */ 660 int genimg_get_format (void *img_addr) 661 { 662 ulong format = IMAGE_FORMAT_INVALID; 663 image_header_t *hdr; 664 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 665 char *fit_hdr; 666 #endif 667 668 hdr = (image_header_t *)img_addr; 669 if (image_check_magic(hdr)) 670 format = IMAGE_FORMAT_LEGACY; 671 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 672 else { 673 fit_hdr = (char *)img_addr; 674 if (fdt_check_header (fit_hdr) == 0) 675 format = IMAGE_FORMAT_FIT; 676 } 677 #endif 678 679 return format; 680 } 681 682 /** 683 * genimg_get_image - get image from special storage (if necessary) 684 * @img_addr: image start address 685 * 686 * genimg_get_image() checks if provided image start adddress is located 687 * in a dataflash storage. If so, image is moved to a system RAM memory. 688 * 689 * returns: 690 * image start address after possible relocation from special storage 691 */ 692 ulong genimg_get_image (ulong img_addr) 693 { 694 ulong ram_addr = img_addr; 695 696 #ifdef CONFIG_HAS_DATAFLASH 697 ulong h_size, d_size; 698 699 if (addr_dataflash (img_addr)){ 700 /* ger RAM address */ 701 ram_addr = CFG_LOAD_ADDR; 702 703 /* get header size */ 704 h_size = image_get_header_size (); 705 #if defined(CONFIG_FIT) 706 if (sizeof(struct fdt_header) > h_size) 707 h_size = sizeof(struct fdt_header); 708 #endif 709 710 /* read in header */ 711 debug (" Reading image header from dataflash address " 712 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 713 714 read_dataflash (img_addr, h_size, (char *)ram_addr); 715 716 /* get data size */ 717 switch (genimg_get_format ((void *)ram_addr)) { 718 case IMAGE_FORMAT_LEGACY: 719 d_size = image_get_data_size ((image_header_t *)ram_addr); 720 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", 721 ram_addr, d_size); 722 break; 723 #if defined(CONFIG_FIT) 724 case IMAGE_FORMAT_FIT: 725 d_size = fit_get_size ((const void *)ram_addr) - h_size; 726 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", 727 ram_addr, d_size); 728 break; 729 #endif 730 default: 731 printf (" No valid image found at 0x%08lx\n", img_addr); 732 return ram_addr; 733 } 734 735 /* read in image data */ 736 debug (" Reading image remaining data from dataflash address " 737 "%08lx to RAM address %08lx\n", img_addr + h_size, 738 ram_addr + h_size); 739 740 read_dataflash (img_addr + h_size, d_size, 741 (char *)(ram_addr + h_size)); 742 743 } 744 #endif /* CONFIG_HAS_DATAFLASH */ 745 746 return ram_addr; 747 } 748 749 /** 750 * boot_get_ramdisk - main ramdisk handling routine 751 * @cmdtp: command table pointer 752 * @flag: command flag 753 * @argc: command argument count 754 * @argv: command argument list 755 * @images: pointer to the bootm images structure 756 * @arch: expected ramdisk architecture 757 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 758 * @rd_end: pointer to a ulong variable, will hold ramdisk end 759 * 760 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 761 * Curently supported are the following ramdisk sources: 762 * - multicomponent kernel/ramdisk image, 763 * - commandline provided address of decicated ramdisk image. 764 * 765 * returns: 766 * rd_start and rd_end are set to ramdisk start/end addresses if 767 * ramdisk image is found and valid 768 * rd_start and rd_end are set to 0 if no ramdisk exists 769 * return 1 if ramdisk image is found but corrupted 770 */ 771 int boot_get_ramdisk (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], 772 bootm_headers_t *images, uint8_t arch, 773 ulong *rd_start, ulong *rd_end) 774 { 775 ulong rd_addr, rd_load; 776 ulong rd_data, rd_len; 777 image_header_t *rd_hdr; 778 #if defined(CONFIG_FIT) 779 void *fit_hdr; 780 const char *fit_uname_config = NULL; 781 const char *fit_uname_ramdisk = NULL; 782 ulong default_addr; 783 int rd_noffset; 784 int conf_noffset; 785 const void *data; 786 size_t size; 787 #endif 788 789 *rd_start = 0; 790 *rd_end = 0; 791 792 /* 793 * Look for a '-' which indicates to ignore the 794 * ramdisk argument 795 */ 796 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 797 debug ("## Skipping init Ramdisk\n"); 798 rd_len = rd_data = 0; 799 } else if (argc >= 3) { 800 #if defined(CONFIG_FIT) 801 /* 802 * If the init ramdisk comes from the FIT image and the FIT image 803 * address is omitted in the command line argument, try to use 804 * os FIT image address or default load address. 805 */ 806 if (images->fit_uname_os) 807 default_addr = (ulong)images->fit_hdr_os; 808 else 809 default_addr = load_addr; 810 811 if (fit_parse_conf (argv[2], default_addr, 812 &rd_addr, &fit_uname_config)) { 813 debug ("* ramdisk: config '%s' from image at 0x%08lx\n", 814 fit_uname_config, rd_addr); 815 } else if (fit_parse_subimage (argv[2], default_addr, 816 &rd_addr, &fit_uname_ramdisk)) { 817 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", 818 fit_uname_ramdisk, rd_addr); 819 } else 820 #endif 821 { 822 rd_addr = simple_strtoul(argv[2], NULL, 16); 823 debug ("* ramdisk: cmdline image address = 0x%08lx\n", 824 rd_addr); 825 } 826 827 /* copy from dataflash if needed */ 828 rd_addr = genimg_get_image (rd_addr); 829 830 /* 831 * Check if there is an initrd image at the 832 * address provided in the second bootm argument 833 * check image type, for FIT images get FIT node. 834 */ 835 switch (genimg_get_format ((void *)rd_addr)) { 836 case IMAGE_FORMAT_LEGACY: 837 printf ("## Loading init Ramdisk from Legacy " 838 "Image at %08lx ...\n", rd_addr); 839 840 rd_hdr = image_get_ramdisk (cmdtp, flag, argc, argv, 841 rd_addr, arch, images->verify); 842 843 if (rd_hdr == NULL) 844 return 1; 845 846 rd_data = image_get_data (rd_hdr); 847 rd_len = image_get_data_size (rd_hdr); 848 rd_load = image_get_load (rd_hdr); 849 break; 850 #if defined(CONFIG_FIT) 851 case IMAGE_FORMAT_FIT: 852 fit_hdr = (void *)rd_addr; 853 printf ("## Loading init Ramdisk from FIT " 854 "Image at %08lx ...\n", rd_addr); 855 856 if (!fit_check_format (fit_hdr)) { 857 puts ("Bad FIT ramdisk image format!\n"); 858 return 0; 859 } 860 861 if (!fit_uname_ramdisk) { 862 /* 863 * no ramdisk image node unit name, try to get config 864 * node first. If config unit node name is NULL 865 * fit_conf_get_node() will try to find default config node 866 */ 867 conf_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 868 if (conf_noffset < 0) 869 return 0; 870 871 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, conf_noffset); 872 fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); 873 } else { 874 /* get ramdisk component image node offset */ 875 rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); 876 } 877 if (rd_noffset < 0) 878 return 0; 879 880 printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); 881 882 if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) 883 return 0; 884 885 /* get ramdisk image data address and length */ 886 if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { 887 puts ("Could not find ramdisk subimage data!\n"); 888 return 0; 889 } 890 891 rd_data = (ulong)data; 892 rd_len = size; 893 894 if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { 895 puts ("Can't get ramdisk subimage load address!\n"); 896 return 0; 897 } 898 899 images->fit_hdr_rd = fit_hdr; 900 images->fit_uname_rd = fit_uname_ramdisk; 901 break; 902 #endif 903 default: 904 printf ("Wrong Image Format for %s command\n", 905 cmdtp->name); 906 rd_data = rd_len = rd_load = 0; 907 } 908 909 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 910 /* 911 * We need to copy the ramdisk to SRAM to let Linux boot 912 */ 913 if (rd_data) { 914 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 915 rd_data = rd_load; 916 } 917 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 918 919 } else if (images->legacy_hdr_valid && 920 image_check_type (images->legacy_hdr_os, IH_TYPE_MULTI)) { 921 /* 922 * Now check if we have a legacy mult-component image, 923 * get second entry data start address and len. 924 */ 925 show_boot_progress (13); 926 printf ("## Loading init Ramdisk from multi component " 927 "Legacy Image at %08lx ...\n", 928 (ulong)images->legacy_hdr_os); 929 930 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 931 } else { 932 /* 933 * no initrd image 934 */ 935 show_boot_progress (14); 936 rd_len = rd_data = 0; 937 } 938 939 if (!rd_data) { 940 debug ("## No init Ramdisk\n"); 941 } else { 942 *rd_start = rd_data; 943 *rd_end = rd_data + rd_len; 944 } 945 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 946 *rd_start, *rd_end); 947 948 return 0; 949 } 950 951 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) 952 /** 953 * boot_ramdisk_high - relocate init ramdisk 954 * @lmb: pointer to lmb handle, will be used for memory mgmt 955 * @rd_data: ramdisk data start address 956 * @rd_len: ramdisk data length 957 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 958 * start address (after possible relocation) 959 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 960 * end address (after possible relocation) 961 * 962 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 963 * variable and if requested ramdisk data is moved to a specified location. 964 * 965 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 966 * start/end addresses if ramdisk image start and len were provided, 967 * otherwise set initrd_start and initrd_end set to zeros. 968 * 969 * returns: 970 * 0 - success 971 * -1 - failure 972 */ 973 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 974 ulong *initrd_start, ulong *initrd_end) 975 { 976 char *s; 977 ulong initrd_high; 978 int initrd_copy_to_ram = 1; 979 980 if ((s = getenv ("initrd_high")) != NULL) { 981 /* a value of "no" or a similar string will act like 0, 982 * turning the "load high" feature off. This is intentional. 983 */ 984 initrd_high = simple_strtoul (s, NULL, 16); 985 if (initrd_high == ~0) 986 initrd_copy_to_ram = 0; 987 } else { 988 /* not set, no restrictions to load high */ 989 initrd_high = ~0; 990 } 991 992 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 993 initrd_high, initrd_copy_to_ram); 994 995 if (rd_data) { 996 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 997 debug (" in-place initrd\n"); 998 *initrd_start = rd_data; 999 *initrd_end = rd_data + rd_len; 1000 lmb_reserve(lmb, rd_data, rd_len); 1001 } else { 1002 if (initrd_high) 1003 *initrd_start = lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 1004 else 1005 *initrd_start = lmb_alloc (lmb, rd_len, 0x1000); 1006 1007 if (*initrd_start == 0) { 1008 puts ("ramdisk - allocation error\n"); 1009 goto error; 1010 } 1011 show_boot_progress (12); 1012 1013 *initrd_end = *initrd_start + rd_len; 1014 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 1015 *initrd_start, *initrd_end); 1016 1017 memmove_wd ((void *)*initrd_start, 1018 (void *)rd_data, rd_len, CHUNKSZ); 1019 1020 puts ("OK\n"); 1021 } 1022 } else { 1023 *initrd_start = 0; 1024 *initrd_end = 0; 1025 } 1026 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1027 *initrd_start, *initrd_end); 1028 1029 return 0; 1030 1031 error: 1032 return -1; 1033 } 1034 1035 /** 1036 * boot_get_cmdline - allocate and initialize kernel cmdline 1037 * @lmb: pointer to lmb handle, will be used for memory mgmt 1038 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1039 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1040 * @bootmap_base: ulong variable, holds offset in physical memory to 1041 * base of bootmap 1042 * 1043 * boot_get_cmdline() allocates space for kernel command line below 1044 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 1045 * variable is present its contents is copied to allocated kernel 1046 * command line. 1047 * 1048 * returns: 1049 * 0 - success 1050 * -1 - failure 1051 */ 1052 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 1053 ulong bootmap_base) 1054 { 1055 char *cmdline; 1056 char *s; 1057 1058 cmdline = (char *)lmb_alloc_base(lmb, CFG_BARGSIZE, 0xf, 1059 CFG_BOOTMAPSZ + bootmap_base); 1060 1061 if (cmdline == NULL) 1062 return -1; 1063 1064 if ((s = getenv("bootargs")) == NULL) 1065 s = ""; 1066 1067 strcpy(cmdline, s); 1068 1069 *cmd_start = (ulong) & cmdline[0]; 1070 *cmd_end = *cmd_start + strlen(cmdline); 1071 1072 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1073 1074 return 0; 1075 } 1076 1077 /** 1078 * boot_get_kbd - allocate and initialize kernel copy of board info 1079 * @lmb: pointer to lmb handle, will be used for memory mgmt 1080 * @kbd: double pointer to board info data 1081 * @bootmap_base: ulong variable, holds offset in physical memory to 1082 * base of bootmap 1083 * 1084 * boot_get_kbd() allocates space for kernel copy of board info data below 1085 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1086 * the current u-boot board info data. 1087 * 1088 * returns: 1089 * 0 - success 1090 * -1 - failure 1091 */ 1092 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1093 { 1094 *kbd = (bd_t *)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1095 CFG_BOOTMAPSZ + bootmap_base); 1096 if (*kbd == NULL) 1097 return -1; 1098 1099 **kbd = *(gd->bd); 1100 1101 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1102 1103 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1104 do_bdinfo(NULL, 0, 0, NULL); 1105 #endif 1106 1107 return 0; 1108 } 1109 #endif /* CONFIG_PPC || CONFIG_M68K */ 1110 #endif /* !USE_HOSTCC */ 1111 1112 #if defined(CONFIG_FIT) 1113 /*****************************************************************************/ 1114 /* New uImage format routines */ 1115 /*****************************************************************************/ 1116 #ifndef USE_HOSTCC 1117 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1118 ulong *addr, const char **name) 1119 { 1120 const char *sep; 1121 1122 *addr = addr_curr; 1123 *name = NULL; 1124 1125 sep = strchr (spec, sepc); 1126 if (sep) { 1127 if (sep - spec > 0) 1128 *addr = simple_strtoul (spec, NULL, 16); 1129 1130 *name = sep + 1; 1131 return 1; 1132 } 1133 1134 return 0; 1135 } 1136 1137 /** 1138 * fit_parse_conf - parse FIT configuration spec 1139 * @spec: input string, containing configuration spec 1140 * @add_curr: current image address (to be used as a possible default) 1141 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1142 * configuration 1143 * @conf_name double pointer to a char, will hold pointer to a configuration 1144 * unit name 1145 * 1146 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1147 * where <addr> is a FIT image address that contains configuration 1148 * with a <conf> unit name. 1149 * 1150 * Address part is optional, and if omitted default add_curr will 1151 * be used instead. 1152 * 1153 * returns: 1154 * 1 if spec is a valid configuration string, 1155 * addr and conf_name are set accordingly 1156 * 0 otherwise 1157 */ 1158 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1159 ulong *addr, const char **conf_name) 1160 { 1161 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1162 } 1163 1164 /** 1165 * fit_parse_subimage - parse FIT subimage spec 1166 * @spec: input string, containing subimage spec 1167 * @add_curr: current image address (to be used as a possible default) 1168 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1169 * subimage 1170 * @image_name: double pointer to a char, will hold pointer to a subimage name 1171 * 1172 * fit_parse_subimage() expects subimage spec in the for of 1173 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1174 * subimage with a <subimg> unit name. 1175 * 1176 * Address part is optional, and if omitted default add_curr will 1177 * be used instead. 1178 * 1179 * returns: 1180 * 1 if spec is a valid subimage string, 1181 * addr and image_name are set accordingly 1182 * 0 otherwise 1183 */ 1184 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1185 ulong *addr, const char **image_name) 1186 { 1187 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1188 } 1189 #endif /* !USE_HOSTCC */ 1190 1191 static void fit_get_debug (const void *fit, int noffset, 1192 char *prop_name, int err) 1193 { 1194 debug ("Can't get '%s' property from FIT 0x%08lx, " 1195 "node: offset %d, name %s (%s)\n", 1196 prop_name, (ulong)fit, noffset, 1197 fit_get_name (fit, noffset, NULL), 1198 fdt_strerror (err)); 1199 } 1200 1201 /** 1202 * __fit_print_contents - prints out the contents of the FIT format image 1203 * @fit: pointer to the FIT format image header 1204 * @p: pointer to prefix string 1205 * 1206 * __fit_print_contents() formats a multi line FIT image contents description. 1207 * The routine prints out FIT image properties (root node level) follwed by 1208 * the details of each component image. 1209 * 1210 * returns: 1211 * no returned results 1212 */ 1213 static void __fit_print_contents (const void *fit, const char *p) 1214 { 1215 char *desc; 1216 char *uname; 1217 int images_noffset; 1218 int confs_noffset; 1219 int noffset; 1220 int ndepth; 1221 int count = 0; 1222 int ret; 1223 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1224 time_t timestamp; 1225 #endif 1226 1227 /* Root node properties */ 1228 ret = fit_get_desc (fit, 0, &desc); 1229 printf ("%sFIT description: ", p); 1230 if (ret) 1231 printf ("unavailable\n"); 1232 else 1233 printf ("%s\n", desc); 1234 1235 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1236 ret = fit_get_timestamp (fit, 0, ×tamp); 1237 printf ("%sCreated: ", p); 1238 if (ret) 1239 printf ("unavailable\n"); 1240 else 1241 genimg_print_time (timestamp); 1242 #endif 1243 1244 /* Find images parent node offset */ 1245 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1246 if (images_noffset < 0) { 1247 printf ("Can't find images parent node '%s' (%s)\n", 1248 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1249 return; 1250 } 1251 1252 /* Process its subnodes, print out component images details */ 1253 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1254 (noffset >= 0) && (ndepth > 0); 1255 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1256 if (ndepth == 1) { 1257 /* 1258 * Direct child node of the images parent node, 1259 * i.e. component image node. 1260 */ 1261 printf ("%s Image %u (%s)\n", p, count++, 1262 fit_get_name(fit, noffset, NULL)); 1263 1264 fit_image_print (fit, noffset, p); 1265 } 1266 } 1267 1268 /* Find configurations parent node offset */ 1269 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 1270 if (confs_noffset < 0) { 1271 debug ("Can't get configurations parent node '%s' (%s)\n", 1272 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 1273 return; 1274 } 1275 1276 /* get default configuration unit name from default property */ 1277 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); 1278 if (uname) 1279 printf ("%s Default Configuration: '%s'\n", p, uname); 1280 1281 /* Process its subnodes, print out configurations details */ 1282 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); 1283 (noffset >= 0) && (ndepth > 0); 1284 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1285 if (ndepth == 1) { 1286 /* 1287 * Direct child node of the configurations parent node, 1288 * i.e. configuration node. 1289 */ 1290 printf ("%s Configuration %u (%s)\n", p, count++, 1291 fit_get_name(fit, noffset, NULL)); 1292 1293 fit_conf_print (fit, noffset, p); 1294 } 1295 } 1296 } 1297 1298 inline void fit_print_contents (const void *fit) 1299 { 1300 __fit_print_contents (fit, " "); 1301 } 1302 1303 inline void fit_print_contents_noindent (const void *fit) 1304 { 1305 __fit_print_contents (fit, ""); 1306 } 1307 1308 /** 1309 * fit_image_print - prints out the FIT component image details 1310 * @fit: pointer to the FIT format image header 1311 * @image_noffset: offset of the component image node 1312 * @p: pointer to prefix string 1313 * 1314 * fit_image_print() lists all mandatory properies for the processed component 1315 * image. If present, hash nodes are printed out as well. 1316 * 1317 * returns: 1318 * no returned results 1319 */ 1320 void fit_image_print (const void *fit, int image_noffset, const char *p) 1321 { 1322 char *desc; 1323 uint8_t type, arch, os, comp; 1324 size_t size; 1325 ulong load, entry; 1326 const void *data; 1327 int noffset; 1328 int ndepth; 1329 int ret; 1330 1331 /* Mandatory properties */ 1332 ret = fit_get_desc (fit, image_noffset, &desc); 1333 printf ("%s Description: ", p); 1334 if (ret) 1335 printf ("unavailable\n"); 1336 else 1337 printf ("%s\n", desc); 1338 1339 fit_image_get_type (fit, image_noffset, &type); 1340 printf ("%s Type: %s\n", p, genimg_get_type_name (type)); 1341 1342 fit_image_get_comp (fit, image_noffset, &comp); 1343 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); 1344 1345 ret = fit_image_get_data (fit, image_noffset, &data, &size); 1346 1347 #ifndef USE_HOSTCC 1348 printf ("%s Data Start: ", p); 1349 if (ret) 1350 printf ("unavailable\n"); 1351 else 1352 printf ("0x%08lx\n", (ulong)data); 1353 #endif 1354 1355 printf ("%s Data Size: ", p); 1356 if (ret) 1357 printf ("unavailable\n"); 1358 else 1359 genimg_print_size (size); 1360 1361 /* Remaining, type dependent properties */ 1362 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1363 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 1364 (type == IH_TYPE_FLATDT)) { 1365 fit_image_get_arch (fit, image_noffset, &arch); 1366 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); 1367 } 1368 1369 if (type == IH_TYPE_KERNEL) { 1370 fit_image_get_os (fit, image_noffset, &os); 1371 printf ("%s OS: %s\n", p, genimg_get_os_name (os)); 1372 } 1373 1374 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 1375 ret = fit_image_get_load (fit, image_noffset, &load); 1376 printf ("%s Load Address: ", p); 1377 if (ret) 1378 printf ("unavailable\n"); 1379 else 1380 printf ("0x%08lx\n", load); 1381 1382 fit_image_get_entry (fit, image_noffset, &entry); 1383 printf ("%s Entry Point: ", p); 1384 if (ret) 1385 printf ("unavailable\n"); 1386 else 1387 printf ("0x%08lx\n", entry); 1388 } 1389 1390 /* Process all hash subnodes of the component image node */ 1391 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1392 (noffset >= 0) && (ndepth > 0); 1393 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1394 if (ndepth == 1) { 1395 /* Direct child node of the component image node */ 1396 fit_image_print_hash (fit, noffset, p); 1397 } 1398 } 1399 } 1400 1401 /** 1402 * fit_image_print_hash - prints out the hash node details 1403 * @fit: pointer to the FIT format image header 1404 * @noffset: offset of the hash node 1405 * @p: pointer to prefix string 1406 * 1407 * fit_image_print_hash() lists properies for the processed hash node 1408 * 1409 * returns: 1410 * no returned results 1411 */ 1412 void fit_image_print_hash (const void *fit, int noffset, const char *p) 1413 { 1414 char *algo; 1415 uint8_t *value; 1416 int value_len; 1417 int i, ret; 1418 1419 /* 1420 * Check subnode name, must be equal to "hash". 1421 * Multiple hash nodes require unique unit node 1422 * names, e.g. hash@1, hash@2, etc. 1423 */ 1424 if (strncmp (fit_get_name(fit, noffset, NULL), 1425 FIT_HASH_NODENAME, 1426 strlen(FIT_HASH_NODENAME)) != 0) 1427 return; 1428 1429 debug ("%s Hash node: '%s'\n", p, 1430 fit_get_name (fit, noffset, NULL)); 1431 1432 printf ("%s Hash algo: ", p); 1433 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1434 printf ("invalid/unsupported\n"); 1435 return; 1436 } 1437 printf ("%s\n", algo); 1438 1439 ret = fit_image_hash_get_value (fit, noffset, &value, 1440 &value_len); 1441 printf ("%s Hash value: ", p); 1442 if (ret) { 1443 printf ("unavailable\n"); 1444 } else { 1445 for (i = 0; i < value_len; i++) 1446 printf ("%02x", value[i]); 1447 printf ("\n"); 1448 } 1449 1450 debug ("%s Hash len: %d\n", p, value_len); 1451 } 1452 1453 /** 1454 * fit_get_desc - get node description property 1455 * @fit: pointer to the FIT format image header 1456 * @noffset: node offset 1457 * @desc: double pointer to the char, will hold pointer to the descrption 1458 * 1459 * fit_get_desc() reads description property from a given node, if 1460 * description is found pointer to it is returened in third call argument. 1461 * 1462 * returns: 1463 * 0, on success 1464 * -1, on failure 1465 */ 1466 int fit_get_desc (const void *fit, int noffset, char **desc) 1467 { 1468 int len; 1469 1470 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); 1471 if (*desc == NULL) { 1472 fit_get_debug (fit, noffset, FIT_DESC_PROP, len); 1473 return -1; 1474 } 1475 1476 return 0; 1477 } 1478 1479 /** 1480 * fit_get_timestamp - get node timestamp property 1481 * @fit: pointer to the FIT format image header 1482 * @noffset: node offset 1483 * @timestamp: pointer to the time_t, will hold read timestamp 1484 * 1485 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 1486 * is found and has a correct size its value is retured in third call 1487 * argument. 1488 * 1489 * returns: 1490 * 0, on success 1491 * -1, on property read failure 1492 * -2, on wrong timestamp size 1493 */ 1494 int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) 1495 { 1496 int len; 1497 const void *data; 1498 1499 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); 1500 if (data == NULL) { 1501 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); 1502 return -1; 1503 } 1504 if (len != sizeof (uint32_t)) { 1505 debug ("FIT timestamp with incorrect size of (%u)\n", len); 1506 return -2; 1507 } 1508 1509 *timestamp = uimage_to_cpu (*((uint32_t *)data)); 1510 return 0; 1511 } 1512 1513 /** 1514 * fit_image_get_node - get node offset for component image of a given unit name 1515 * @fit: pointer to the FIT format image header 1516 * @image_uname: component image node unit name 1517 * 1518 * fit_image_get_node() finds a component image (withing the '/images' 1519 * node) of a provided unit name. If image is found its node offset is 1520 * returned to the caller. 1521 * 1522 * returns: 1523 * image node offset when found (>=0) 1524 * negative number on failure (FDT_ERR_* code) 1525 */ 1526 int fit_image_get_node (const void *fit, const char *image_uname) 1527 { 1528 int noffset, images_noffset; 1529 1530 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1531 if (images_noffset < 0) { 1532 debug ("Can't find images parent node '%s' (%s)\n", 1533 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1534 return images_noffset; 1535 } 1536 1537 noffset = fdt_subnode_offset (fit, images_noffset, image_uname); 1538 if (noffset < 0) { 1539 debug ("Can't get node offset for image unit name: '%s' (%s)\n", 1540 image_uname, fdt_strerror (noffset)); 1541 } 1542 1543 return noffset; 1544 } 1545 1546 /** 1547 * fit_image_get_os - get os id for a given component image node 1548 * @fit: pointer to the FIT format image header 1549 * @noffset: component image node offset 1550 * @os: pointer to the uint8_t, will hold os numeric id 1551 * 1552 * fit_image_get_os() finds os property in a given component image node. 1553 * If the property is found, its (string) value is translated to the numeric 1554 * id which is returned to the caller. 1555 * 1556 * returns: 1557 * 0, on success 1558 * -1, on failure 1559 */ 1560 int fit_image_get_os (const void *fit, int noffset, uint8_t *os) 1561 { 1562 int len; 1563 const void *data; 1564 1565 /* Get OS name from property data */ 1566 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); 1567 if (data == NULL) { 1568 fit_get_debug (fit, noffset, FIT_OS_PROP, len); 1569 *os = -1; 1570 return -1; 1571 } 1572 1573 /* Translate OS name to id */ 1574 *os = genimg_get_os_id (data); 1575 return 0; 1576 } 1577 1578 /** 1579 * fit_image_get_arch - get arch id for a given component image node 1580 * @fit: pointer to the FIT format image header 1581 * @noffset: component image node offset 1582 * @arch: pointer to the uint8_t, will hold arch numeric id 1583 * 1584 * fit_image_get_arch() finds arch property in a given component image node. 1585 * If the property is found, its (string) value is translated to the numeric 1586 * id which is returned to the caller. 1587 * 1588 * returns: 1589 * 0, on success 1590 * -1, on failure 1591 */ 1592 int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) 1593 { 1594 int len; 1595 const void *data; 1596 1597 /* Get architecture name from property data */ 1598 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); 1599 if (data == NULL) { 1600 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); 1601 *arch = -1; 1602 return -1; 1603 } 1604 1605 /* Translate architecture name to id */ 1606 *arch = genimg_get_arch_id (data); 1607 return 0; 1608 } 1609 1610 /** 1611 * fit_image_get_type - get type id for a given component image node 1612 * @fit: pointer to the FIT format image header 1613 * @noffset: component image node offset 1614 * @type: pointer to the uint8_t, will hold type numeric id 1615 * 1616 * fit_image_get_type() finds type property in a given component image node. 1617 * If the property is found, its (string) value is translated to the numeric 1618 * id which is returned to the caller. 1619 * 1620 * returns: 1621 * 0, on success 1622 * -1, on failure 1623 */ 1624 int fit_image_get_type (const void *fit, int noffset, uint8_t *type) 1625 { 1626 int len; 1627 const void *data; 1628 1629 /* Get image type name from property data */ 1630 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); 1631 if (data == NULL) { 1632 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); 1633 *type = -1; 1634 return -1; 1635 } 1636 1637 /* Translate image type name to id */ 1638 *type = genimg_get_type_id (data); 1639 return 0; 1640 } 1641 1642 /** 1643 * fit_image_get_comp - get comp id for a given component image node 1644 * @fit: pointer to the FIT format image header 1645 * @noffset: component image node offset 1646 * @comp: pointer to the uint8_t, will hold comp numeric id 1647 * 1648 * fit_image_get_comp() finds comp property in a given component image node. 1649 * If the property is found, its (string) value is translated to the numeric 1650 * id which is returned to the caller. 1651 * 1652 * returns: 1653 * 0, on success 1654 * -1, on failure 1655 */ 1656 int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) 1657 { 1658 int len; 1659 const void *data; 1660 1661 /* Get compression name from property data */ 1662 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); 1663 if (data == NULL) { 1664 fit_get_debug (fit, noffset, FIT_COMP_PROP, len); 1665 *comp = -1; 1666 return -1; 1667 } 1668 1669 /* Translate compression name to id */ 1670 *comp = genimg_get_comp_id (data); 1671 return 0; 1672 } 1673 1674 /** 1675 * fit_image_get_load - get load address property for a given component image node 1676 * @fit: pointer to the FIT format image header 1677 * @noffset: component image node offset 1678 * @load: pointer to the uint32_t, will hold load address 1679 * 1680 * fit_image_get_load() finds load address property in a given component image node. 1681 * If the property is found, its value is returned to the caller. 1682 * 1683 * returns: 1684 * 0, on success 1685 * -1, on failure 1686 */ 1687 int fit_image_get_load (const void *fit, int noffset, ulong *load) 1688 { 1689 int len; 1690 const uint32_t *data; 1691 1692 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); 1693 if (data == NULL) { 1694 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); 1695 return -1; 1696 } 1697 1698 *load = uimage_to_cpu (*data); 1699 return 0; 1700 } 1701 1702 /** 1703 * fit_image_get_entry - get entry point address property for a given component image node 1704 * @fit: pointer to the FIT format image header 1705 * @noffset: component image node offset 1706 * @entry: pointer to the uint32_t, will hold entry point address 1707 * 1708 * fit_image_get_entry() finds entry point address property in a given component image node. 1709 * If the property is found, its value is returned to the caller. 1710 * 1711 * returns: 1712 * 0, on success 1713 * -1, on failure 1714 */ 1715 int fit_image_get_entry (const void *fit, int noffset, ulong *entry) 1716 { 1717 int len; 1718 const uint32_t *data; 1719 1720 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); 1721 if (data == NULL) { 1722 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); 1723 return -1; 1724 } 1725 1726 *entry = uimage_to_cpu (*data); 1727 return 0; 1728 } 1729 1730 /** 1731 * fit_image_get_data - get data property and its size for a given component image node 1732 * @fit: pointer to the FIT format image header 1733 * @noffset: component image node offset 1734 * @data: double pointer to void, will hold data property's data address 1735 * @size: pointer to size_t, will hold data property's data size 1736 * 1737 * fit_image_get_data() finds data property in a given component image node. 1738 * If the property is found its data start address and size are returned to 1739 * the caller. 1740 * 1741 * returns: 1742 * 0, on success 1743 * -1, on failure 1744 */ 1745 int fit_image_get_data (const void *fit, int noffset, 1746 const void **data, size_t *size) 1747 { 1748 int len; 1749 1750 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); 1751 if (*data == NULL) { 1752 fit_get_debug (fit, noffset, FIT_DATA_PROP, len); 1753 *size = 0; 1754 return -1; 1755 } 1756 1757 *size = len; 1758 return 0; 1759 } 1760 1761 /** 1762 * fit_image_hash_get_algo - get hash algorithm name 1763 * @fit: pointer to the FIT format image header 1764 * @noffset: hash node offset 1765 * @algo: double pointer to char, will hold pointer to the algorithm name 1766 * 1767 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 1768 * If the property is found its data start address is returned to the caller. 1769 * 1770 * returns: 1771 * 0, on success 1772 * -1, on failure 1773 */ 1774 int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) 1775 { 1776 int len; 1777 1778 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); 1779 if (*algo == NULL) { 1780 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); 1781 return -1; 1782 } 1783 1784 return 0; 1785 } 1786 1787 /** 1788 * fit_image_hash_get_value - get hash value and length 1789 * @fit: pointer to the FIT format image header 1790 * @noffset: hash node offset 1791 * @value: double pointer to uint8_t, will hold address of a hash value data 1792 * @value_len: pointer to an int, will hold hash data length 1793 * 1794 * fit_image_hash_get_value() finds hash value property in a given hash node. 1795 * If the property is found its data start address and size are returned to 1796 * the caller. 1797 * 1798 * returns: 1799 * 0, on success 1800 * -1, on failure 1801 */ 1802 int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, 1803 int *value_len) 1804 { 1805 int len; 1806 1807 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); 1808 if (*value == NULL) { 1809 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); 1810 *value_len = 0; 1811 return -1; 1812 } 1813 1814 *value_len = len; 1815 return 0; 1816 } 1817 1818 /** 1819 * fit_set_timestamp - set node timestamp property 1820 * @fit: pointer to the FIT format image header 1821 * @noffset: node offset 1822 * @timestamp: timestamp value to be set 1823 * 1824 * fit_set_timestamp() attempts to set timestamp property in the requested 1825 * node and returns operation status to the caller. 1826 * 1827 * returns: 1828 * 0, on success 1829 * -1, on property read failure 1830 */ 1831 int fit_set_timestamp (void *fit, int noffset, time_t timestamp) 1832 { 1833 uint32_t t; 1834 int ret; 1835 1836 t = cpu_to_uimage (timestamp); 1837 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, 1838 sizeof (uint32_t)); 1839 if (ret) { 1840 printf ("Can't set '%s' property for '%s' node (%s)\n", 1841 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), 1842 fdt_strerror (ret)); 1843 return -1; 1844 } 1845 1846 return 0; 1847 } 1848 1849 /** 1850 * calculate_hash - calculate and return hash for provided input data 1851 * @data: pointer to the input data 1852 * @data_len: data length 1853 * @algo: requested hash algorithm 1854 * @value: pointer to the char, will hold hash value data (caller must 1855 * allocate enough free space) 1856 * value_len: length of the calculated hash 1857 * 1858 * calculate_hash() computes input data hash according to the requested algorithm. 1859 * Resulting hash value is placed in caller provided 'value' buffer, length 1860 * of the calculated hash is returned via value_len pointer argument. 1861 * 1862 * returns: 1863 * 0, on success 1864 * -1, when algo is unsupported 1865 */ 1866 static int calculate_hash (const void *data, int data_len, const char *algo, 1867 uint8_t *value, int *value_len) 1868 { 1869 if (strcmp (algo, "crc32") == 0 ) { 1870 *((uint32_t *)value) = crc32 (0, data, data_len); 1871 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); 1872 *value_len = 4; 1873 } else if (strcmp (algo, "sha1") == 0 ) { 1874 sha1_csum ((unsigned char *) data, data_len, 1875 (unsigned char *) value); 1876 *value_len = 20; 1877 } else if (strcmp (algo, "md5") == 0 ) { 1878 printf ("MD5 not supported\n"); 1879 *value_len = 0; 1880 } else { 1881 debug ("Unsupported hash alogrithm\n"); 1882 return -1; 1883 } 1884 return 0; 1885 } 1886 1887 #ifdef USE_HOSTCC 1888 /** 1889 * fit_set_hashes - process FIT component image nodes and calculate hashes 1890 * @fit: pointer to the FIT format image header 1891 * 1892 * fit_set_hashes() adds hash values for all component images in the FIT blob. 1893 * Hashes are calculated for all component images which have hash subnodes 1894 * with algorithm property set to one of the supported hash algorithms. 1895 * 1896 * returns 1897 * 0, on success 1898 * libfdt error code, on failure 1899 */ 1900 int fit_set_hashes (void *fit) 1901 { 1902 int images_noffset; 1903 int noffset; 1904 int ndepth; 1905 int ret; 1906 1907 /* Find images parent node offset */ 1908 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1909 if (images_noffset < 0) { 1910 printf ("Can't find images parent node '%s' (%s)\n", 1911 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1912 return images_noffset; 1913 } 1914 1915 /* Process its subnodes, print out component images details */ 1916 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1917 (noffset >= 0) && (ndepth > 0); 1918 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1919 if (ndepth == 1) { 1920 /* 1921 * Direct child node of the images parent node, 1922 * i.e. component image node. 1923 */ 1924 ret = fit_image_set_hashes (fit, noffset); 1925 if (ret) 1926 return ret; 1927 } 1928 } 1929 1930 return 0; 1931 } 1932 1933 /** 1934 * fit_image_set_hashes - calculate/set hashes for given component image node 1935 * @fit: pointer to the FIT format image header 1936 * @image_noffset: requested component image node 1937 * 1938 * fit_image_set_hashes() adds hash values for an component image node. All 1939 * existing hash subnodes are checked, if algorithm property is set to one of 1940 * the supported hash algorithms, hash value is computed and corresponding 1941 * hash node property is set, for example: 1942 * 1943 * Input component image node structure: 1944 * 1945 * o image@1 (at image_noffset) 1946 * | - data = [binary data] 1947 * o hash@1 1948 * |- algo = "sha1" 1949 * 1950 * Output component image node structure: 1951 * 1952 * o image@1 (at image_noffset) 1953 * | - data = [binary data] 1954 * o hash@1 1955 * |- algo = "sha1" 1956 * |- value = sha1(data) 1957 * 1958 * returns: 1959 * 0 on sucess 1960 * <0 on failure 1961 */ 1962 int fit_image_set_hashes (void *fit, int image_noffset) 1963 { 1964 const void *data; 1965 size_t size; 1966 char *algo; 1967 uint8_t value[FIT_MAX_HASH_LEN]; 1968 int value_len; 1969 int noffset; 1970 int ndepth; 1971 1972 /* Get image data and data length */ 1973 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 1974 printf ("Can't get image data/size\n"); 1975 return -1; 1976 } 1977 1978 /* Process all hash subnodes of the component image node */ 1979 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1980 (noffset >= 0) && (ndepth > 0); 1981 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1982 if (ndepth == 1) { 1983 /* Direct child node of the component image node */ 1984 1985 /* 1986 * Check subnode name, must be equal to "hash". 1987 * Multiple hash nodes require unique unit node 1988 * names, e.g. hash@1, hash@2, etc. 1989 */ 1990 if (strncmp (fit_get_name(fit, noffset, NULL), 1991 FIT_HASH_NODENAME, 1992 strlen(FIT_HASH_NODENAME)) != 0) { 1993 /* Not a hash subnode, skip it */ 1994 continue; 1995 } 1996 1997 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1998 printf ("Can't get hash algo property for " 1999 "'%s' hash node in '%s' image node\n", 2000 fit_get_name (fit, noffset, NULL), 2001 fit_get_name (fit, image_noffset, NULL)); 2002 return -1; 2003 } 2004 2005 if (calculate_hash (data, size, algo, value, &value_len)) { 2006 printf ("Unsupported hash algorithm (%s) for " 2007 "'%s' hash node in '%s' image node\n", 2008 algo, fit_get_name (fit, noffset, NULL), 2009 fit_get_name (fit, image_noffset, NULL)); 2010 return -1; 2011 } 2012 2013 if (fit_image_hash_set_value (fit, noffset, value, 2014 value_len)) { 2015 printf ("Can't set hash value for " 2016 "'%s' hash node in '%s' image node\n", 2017 fit_get_name (fit, noffset, NULL), 2018 fit_get_name (fit, image_noffset, NULL)); 2019 return -1; 2020 } 2021 } 2022 } 2023 2024 return 0; 2025 } 2026 2027 /** 2028 * fit_image_hash_set_value - set hash value in requested has node 2029 * @fit: pointer to the FIT format image header 2030 * @noffset: hash node offset 2031 * @value: hash value to be set 2032 * @value_len: hash value length 2033 * 2034 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2035 * given and returns operation status to the caller. 2036 * 2037 * returns 2038 * 0, on success 2039 * -1, on failure 2040 */ 2041 int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, 2042 int value_len) 2043 { 2044 int ret; 2045 2046 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); 2047 if (ret) { 2048 printf ("Can't set hash '%s' property for '%s' node (%s)\n", 2049 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), 2050 fdt_strerror (ret)); 2051 return -1; 2052 } 2053 2054 return 0; 2055 } 2056 #endif /* USE_HOSTCC */ 2057 2058 /** 2059 * fit_image_check_hashes - verify data intergity 2060 * @fit: pointer to the FIT format image header 2061 * @image_noffset: component image node offset 2062 * 2063 * fit_image_check_hashes() goes over component image hash nodes, 2064 * re-calculates each data hash and compares with the value stored in hash 2065 * node. 2066 * 2067 * returns: 2068 * 1, if all hashes are valid 2069 * 0, otherwise (or on error) 2070 */ 2071 int fit_image_check_hashes (const void *fit, int image_noffset) 2072 { 2073 const void *data; 2074 size_t size; 2075 char *algo; 2076 uint8_t *fit_value; 2077 int fit_value_len; 2078 uint8_t value[FIT_MAX_HASH_LEN]; 2079 int value_len; 2080 int noffset; 2081 int ndepth; 2082 char *err_msg = ""; 2083 2084 /* Get image data and data length */ 2085 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2086 printf ("Can't get image data/size\n"); 2087 return 0; 2088 } 2089 2090 /* Process all hash subnodes of the component image node */ 2091 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2092 (noffset >= 0) && (ndepth > 0); 2093 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2094 if (ndepth == 1) { 2095 /* Direct child node of the component image node */ 2096 2097 /* 2098 * Check subnode name, must be equal to "hash". 2099 * Multiple hash nodes require unique unit node 2100 * names, e.g. hash@1, hash@2, etc. 2101 */ 2102 if (strncmp (fit_get_name(fit, noffset, NULL), 2103 FIT_HASH_NODENAME, 2104 strlen(FIT_HASH_NODENAME)) != 0) 2105 continue; 2106 2107 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2108 err_msg = "Can't get hash algo property"; 2109 goto error; 2110 } 2111 printf ("%s", algo); 2112 2113 if (fit_image_hash_get_value (fit, noffset, &fit_value, 2114 &fit_value_len)) { 2115 err_msg = "Can't get hash value property"; 2116 goto error; 2117 } 2118 2119 if (calculate_hash (data, size, algo, value, &value_len)) { 2120 err_msg = "Unsupported hash algorithm"; 2121 goto error; 2122 } 2123 2124 if (value_len != fit_value_len) { 2125 err_msg = "Bad hash value len"; 2126 goto error; 2127 } else if (memcmp (value, fit_value, value_len) != 0) { 2128 err_msg = "Bad hash value"; 2129 goto error; 2130 } 2131 printf ("+ "); 2132 } 2133 } 2134 2135 return 1; 2136 2137 error: 2138 printf ("%s for '%s' hash node in '%s' image node\n", 2139 err_msg, fit_get_name (fit, noffset, NULL), 2140 fit_get_name (fit, image_noffset, NULL)); 2141 return 0; 2142 } 2143 2144 /** 2145 * fit_image_check_os - check whether image node is of a given os type 2146 * @fit: pointer to the FIT format image header 2147 * @noffset: component image node offset 2148 * @os: requested image os 2149 * 2150 * fit_image_check_os() reads image os property and compares its numeric 2151 * id with the requested os. Comparison result is returned to the caller. 2152 * 2153 * returns: 2154 * 1 if image is of given os type 2155 * 0 otherwise (or on error) 2156 */ 2157 int fit_image_check_os (const void *fit, int noffset, uint8_t os) 2158 { 2159 uint8_t image_os; 2160 2161 if (fit_image_get_os (fit, noffset, &image_os)) 2162 return 0; 2163 return (os == image_os); 2164 } 2165 2166 /** 2167 * fit_image_check_arch - check whether image node is of a given arch 2168 * @fit: pointer to the FIT format image header 2169 * @noffset: component image node offset 2170 * @arch: requested imagearch 2171 * 2172 * fit_image_check_arch() reads image arch property and compares its numeric 2173 * id with the requested arch. Comparison result is returned to the caller. 2174 * 2175 * returns: 2176 * 1 if image is of given arch 2177 * 0 otherwise (or on error) 2178 */ 2179 int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) 2180 { 2181 uint8_t image_arch; 2182 2183 if (fit_image_get_arch (fit, noffset, &image_arch)) 2184 return 0; 2185 return (arch == image_arch); 2186 } 2187 2188 /** 2189 * fit_image_check_type - check whether image node is of a given type 2190 * @fit: pointer to the FIT format image header 2191 * @noffset: component image node offset 2192 * @type: requested image type 2193 * 2194 * fit_image_check_type() reads image type property and compares its numeric 2195 * id with the requested type. Comparison result is returned to the caller. 2196 * 2197 * returns: 2198 * 1 if image is of given type 2199 * 0 otherwise (or on error) 2200 */ 2201 int fit_image_check_type (const void *fit, int noffset, uint8_t type) 2202 { 2203 uint8_t image_type; 2204 2205 if (fit_image_get_type (fit, noffset, &image_type)) 2206 return 0; 2207 return (type == image_type); 2208 } 2209 2210 /** 2211 * fit_image_check_comp - check whether image node uses given compression 2212 * @fit: pointer to the FIT format image header 2213 * @noffset: component image node offset 2214 * @comp: requested image compression type 2215 * 2216 * fit_image_check_comp() reads image compression property and compares its 2217 * numeric id with the requested compression type. Comparison result is 2218 * returned to the caller. 2219 * 2220 * returns: 2221 * 1 if image uses requested compression 2222 * 0 otherwise (or on error) 2223 */ 2224 int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) 2225 { 2226 uint8_t image_comp; 2227 2228 if (fit_image_get_comp (fit, noffset, &image_comp)) 2229 return 0; 2230 return (comp == image_comp); 2231 } 2232 2233 /** 2234 * fit_check_format - sanity check FIT image format 2235 * @fit: pointer to the FIT format image header 2236 * 2237 * fit_check_format() runs a basic sanity FIT image verification. 2238 * Routine checks for mandatory properties, nodes, etc. 2239 * 2240 * returns: 2241 * 1, on success 2242 * 0, on failure 2243 */ 2244 int fit_check_format (const void *fit) 2245 { 2246 /* mandatory / node 'description' property */ 2247 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2248 debug ("Wrong FIT format: no description\n"); 2249 return 0; 2250 } 2251 2252 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2253 /* mandatory / node 'timestamp' property */ 2254 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2255 debug ("Wrong FIT format: no description\n"); 2256 return 0; 2257 } 2258 #endif 2259 2260 /* mandatory subimages parent '/images' node */ 2261 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { 2262 debug ("Wrong FIT format: no images parent node\n"); 2263 return 0; 2264 } 2265 2266 return 1; 2267 } 2268 2269 /** 2270 * fit_conf_get_node - get node offset for configuration of a given unit name 2271 * @fit: pointer to the FIT format image header 2272 * @conf_uname: configuration node unit name 2273 * 2274 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2275 * parant node) of a provided unit name. If configuration is found its node offset 2276 * is returned to the caller. 2277 * 2278 * When NULL is provided in second argument fit_conf_get_node() will search 2279 * for a default configuration node instead. Default configuration node unit name 2280 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2281 * 2282 * returns: 2283 * configuration node offset when found (>=0) 2284 * negative number on failure (FDT_ERR_* code) 2285 */ 2286 int fit_conf_get_node (const void *fit, const char *conf_uname) 2287 { 2288 int noffset, confs_noffset; 2289 int len; 2290 2291 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 2292 if (confs_noffset < 0) { 2293 debug ("Can't find configurations parent node '%s' (%s)\n", 2294 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 2295 return confs_noffset; 2296 } 2297 2298 if (conf_uname == NULL) { 2299 /* get configuration unit name from the default property */ 2300 debug ("No configuration specified, trying default...\n"); 2301 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); 2302 if (conf_uname == NULL) { 2303 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); 2304 return len; 2305 } 2306 debug ("Found default configuration: '%s'\n", conf_uname); 2307 } 2308 2309 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); 2310 if (noffset < 0) { 2311 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", 2312 conf_uname, fdt_strerror (noffset)); 2313 } 2314 2315 return noffset; 2316 } 2317 2318 static int __fit_conf_get_prop_node (const void *fit, int noffset, 2319 const char *prop_name) 2320 { 2321 char *uname; 2322 int len; 2323 2324 /* get kernel image unit name from configuration kernel property */ 2325 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); 2326 if (uname == NULL) 2327 return len; 2328 2329 return fit_image_get_node (fit, uname); 2330 } 2331 2332 /** 2333 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 2334 * a given configuration 2335 * @fit: pointer to the FIT format image header 2336 * @noffset: configuration node offset 2337 * 2338 * fit_conf_get_kernel_node() retrives kernel image node unit name from 2339 * configuration FIT_KERNEL_PROP property and translates it to the node 2340 * offset. 2341 * 2342 * returns: 2343 * image node offset when found (>=0) 2344 * negative number on failure (FDT_ERR_* code) 2345 */ 2346 int fit_conf_get_kernel_node (const void *fit, int noffset) 2347 { 2348 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); 2349 } 2350 2351 /** 2352 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 2353 * a given configuration 2354 * @fit: pointer to the FIT format image header 2355 * @noffset: configuration node offset 2356 * 2357 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 2358 * configuration FIT_KERNEL_PROP property and translates it to the node 2359 * offset. 2360 * 2361 * returns: 2362 * image node offset when found (>=0) 2363 * negative number on failure (FDT_ERR_* code) 2364 */ 2365 int fit_conf_get_ramdisk_node (const void *fit, int noffset) 2366 { 2367 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); 2368 } 2369 2370 /** 2371 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 2372 * a given configuration 2373 * @fit: pointer to the FIT format image header 2374 * @noffset: configuration node offset 2375 * 2376 * fit_conf_get_fdt_node() retrives fdt image node unit name from 2377 * configuration FIT_KERNEL_PROP property and translates it to the node 2378 * offset. 2379 * 2380 * returns: 2381 * image node offset when found (>=0) 2382 * negative number on failure (FDT_ERR_* code) 2383 */ 2384 int fit_conf_get_fdt_node (const void *fit, int noffset) 2385 { 2386 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); 2387 } 2388 2389 /** 2390 * fit_conf_print - prints out the FIT configuration details 2391 * @fit: pointer to the FIT format image header 2392 * @conf_noffset: offset of the configuration node 2393 * @p: pointer to prefix string 2394 * 2395 * fit_conf_print() lists all mandatory properies for the processed 2396 * configuration node. 2397 * 2398 * returns: 2399 * no returned results 2400 */ 2401 void fit_conf_print (const void *fit, int noffset, const char *p) 2402 { 2403 char *desc; 2404 char *uname; 2405 int ret; 2406 2407 /* Mandatory properties */ 2408 ret = fit_get_desc (fit, noffset, &desc); 2409 printf ("%s Description: ", p); 2410 if (ret) 2411 printf ("unavailable\n"); 2412 else 2413 printf ("%s\n", desc); 2414 2415 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); 2416 printf ("%s Kernel: ", p); 2417 if (uname == NULL) 2418 printf ("unavailable\n"); 2419 else 2420 printf ("%s\n", uname); 2421 2422 /* Optional properties */ 2423 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); 2424 if (uname) 2425 printf ("%s Init Ramdisk: %s\n", p, uname); 2426 2427 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); 2428 if (uname) 2429 printf ("%s FDT: %s\n", p, uname); 2430 } 2431 2432 /** 2433 * fit_check_ramdisk - verify FIT format ramdisk subimage 2434 * @fit_hdr: pointer to the FIT ramdisk header 2435 * @rd_noffset: ramdisk subimage node offset within FIT image 2436 * @arch: requested ramdisk image architecture type 2437 * @verify: data CRC verification flag 2438 * 2439 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 2440 * specified FIT image. 2441 * 2442 * returns: 2443 * 1, on success 2444 * 0, on failure 2445 */ 2446 #ifndef USE_HOSTCC 2447 static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) 2448 { 2449 fit_image_print (fit, rd_noffset, " "); 2450 2451 if (verify) { 2452 puts (" Verifying Hash Integrity ... "); 2453 if (!fit_image_check_hashes (fit, rd_noffset)) { 2454 puts ("Bad Data Hash\n"); 2455 return 0; 2456 } 2457 puts ("OK\n"); 2458 } 2459 2460 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || 2461 !fit_image_check_arch (fit, rd_noffset, arch) || 2462 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { 2463 printf ("No Linux %s Ramdisk Image\n", 2464 genimg_get_arch_name(arch)); 2465 return 0; 2466 } 2467 2468 return 1; 2469 } 2470 #endif /* USE_HOSTCC */ 2471 #endif /* CONFIG_FIT */ 2472