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