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 = (image_header_t *)rd_addr; 401 402 if (!image_check_magic (rd_hdr)) { 403 puts ("Bad Magic Number\n"); 404 show_boot_progress (-10); 405 return NULL; 406 } 407 408 if (!image_check_hcrc (rd_hdr)) { 409 puts ("Bad Header Checksum\n"); 410 show_boot_progress (-11); 411 return NULL; 412 } 413 414 show_boot_progress (10); 415 image_print_contents (rd_hdr); 416 417 if (verify) { 418 puts(" Verifying Checksum ... "); 419 if (!image_check_dcrc_wd (rd_hdr, CHUNKSZ)) { 420 puts ("Bad Data CRC\n"); 421 show_boot_progress (-12); 422 return NULL; 423 } 424 puts("OK\n"); 425 } 426 427 show_boot_progress (11); 428 429 if (!image_check_os (rd_hdr, IH_OS_LINUX) || 430 !image_check_arch (rd_hdr, arch) || 431 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { 432 printf ("No Linux %s Ramdisk Image\n", 433 genimg_get_arch_name(arch)); 434 show_boot_progress (-13); 435 return NULL; 436 } 437 438 return rd_hdr; 439 } 440 #endif /* !USE_HOSTCC */ 441 442 /*****************************************************************************/ 443 /* Shared dual-format routines */ 444 /*****************************************************************************/ 445 #ifndef USE_HOSTCC 446 int getenv_verify (void) 447 { 448 char *s = getenv ("verify"); 449 return (s && (*s == 'n')) ? 0 : 1; 450 } 451 452 int getenv_autostart (void) 453 { 454 char *s = getenv ("autostart"); 455 return (s && (*s == 'n')) ? 0 : 1; 456 } 457 458 ulong getenv_bootm_low(void) 459 { 460 char *s = getenv ("bootm_low"); 461 if (s) { 462 ulong tmp = simple_strtoul (s, NULL, 16); 463 return tmp; 464 } 465 466 #ifdef CFG_SDRAM_BASE 467 return CFG_SDRAM_BASE; 468 #else 469 return 0; 470 #endif 471 } 472 473 ulong getenv_bootm_size(void) 474 { 475 char *s = getenv ("bootm_size"); 476 if (s) { 477 ulong tmp = simple_strtoul (s, NULL, 16); 478 return tmp; 479 } 480 481 return gd->bd->bi_memsize; 482 } 483 484 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 485 { 486 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 487 while (len > 0) { 488 size_t tail = (len > chunksz) ? chunksz : len; 489 WATCHDOG_RESET (); 490 memmove (to, from, tail); 491 to += tail; 492 from += tail; 493 len -= tail; 494 } 495 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 496 memmove (to, from, len); 497 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 498 } 499 #endif /* !USE_HOSTCC */ 500 501 static void genimg_print_size (uint32_t size) 502 { 503 #ifndef USE_HOSTCC 504 printf ("%d Bytes = ", size); 505 print_size (size, "\n"); 506 #else 507 printf ("%d Bytes = %.2f kB = %.2f MB\n", 508 size, (double)size / 1.024e3, 509 (double)size / 1.048576e6); 510 #endif 511 } 512 513 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 514 static void genimg_print_time (time_t timestamp) 515 { 516 #ifndef USE_HOSTCC 517 struct rtc_time tm; 518 519 to_tm (timestamp, &tm); 520 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 521 tm.tm_year, tm.tm_mon, tm.tm_mday, 522 tm.tm_hour, tm.tm_min, tm.tm_sec); 523 #else 524 printf ("%s", ctime(×tamp)); 525 #endif 526 } 527 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 528 529 /** 530 * get_table_entry_name - translate entry id to long name 531 * @table: pointer to a translation table for entries of a specific type 532 * @msg: message to be returned when translation fails 533 * @id: entry id to be translated 534 * 535 * get_table_entry_name() will go over translation table trying to find 536 * entry that matches given id. If matching entry is found, its long 537 * name is returned to the caller. 538 * 539 * returns: 540 * long entry name if translation succeeds 541 * msg otherwise 542 */ 543 static char *get_table_entry_name (table_entry_t *table, char *msg, int id) 544 { 545 for (; table->id >= 0; ++table) { 546 if (table->id == id) 547 return (table->lname); 548 } 549 return (msg); 550 } 551 552 const char *genimg_get_os_name (uint8_t os) 553 { 554 return (get_table_entry_name (uimage_os, "Unknown OS", os)); 555 } 556 557 const char *genimg_get_arch_name (uint8_t arch) 558 { 559 return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); 560 } 561 562 const char *genimg_get_type_name (uint8_t type) 563 { 564 return (get_table_entry_name (uimage_type, "Unknown Image", type)); 565 } 566 567 const char *genimg_get_comp_name (uint8_t comp) 568 { 569 return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); 570 } 571 572 /** 573 * get_table_entry_id - translate short entry name to id 574 * @table: pointer to a translation table for entries of a specific type 575 * @table_name: to be used in case of error 576 * @name: entry short name to be translated 577 * 578 * get_table_entry_id() will go over translation table trying to find 579 * entry that matches given short name. If matching entry is found, 580 * its id returned to the caller. 581 * 582 * returns: 583 * entry id if translation succeeds 584 * -1 otherwise 585 */ 586 static int get_table_entry_id (table_entry_t *table, 587 const char *table_name, const char *name) 588 { 589 table_entry_t *t; 590 #ifdef USE_HOSTCC 591 int first = 1; 592 593 for (t = table; t->id >= 0; ++t) { 594 if (t->sname && strcasecmp(t->sname, name) == 0) 595 return (t->id); 596 } 597 598 fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); 599 for (t = table; t->id >= 0; ++t) { 600 if (t->sname == NULL) 601 continue; 602 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); 603 first = 0; 604 } 605 fprintf (stderr, "\n"); 606 #else 607 for (t = table; t->id >= 0; ++t) { 608 if (t->sname && strcmp(t->sname, name) == 0) 609 return (t->id); 610 } 611 debug ("Invalid %s Type: %s\n", table_name, name); 612 #endif /* USE_HOSTCC */ 613 return (-1); 614 } 615 616 int genimg_get_os_id (const char *name) 617 { 618 return (get_table_entry_id (uimage_os, "OS", name)); 619 } 620 621 int genimg_get_arch_id (const char *name) 622 { 623 return (get_table_entry_id (uimage_arch, "CPU", name)); 624 } 625 626 int genimg_get_type_id (const char *name) 627 { 628 return (get_table_entry_id (uimage_type, "Image", name)); 629 } 630 631 int genimg_get_comp_id (const char *name) 632 { 633 return (get_table_entry_id (uimage_comp, "Compression", name)); 634 } 635 636 #ifndef USE_HOSTCC 637 /** 638 * genimg_get_format - get image format type 639 * @img_addr: image start address 640 * 641 * genimg_get_format() checks whether provided address points to a valid 642 * legacy or FIT image. 643 * 644 * New uImage format and FDT blob are based on a libfdt. FDT blob 645 * may be passed directly or embedded in a FIT image. In both situations 646 * genimg_get_format() must be able to dectect libfdt header. 647 * 648 * returns: 649 * image format type or IMAGE_FORMAT_INVALID if no image is present 650 */ 651 int genimg_get_format (void *img_addr) 652 { 653 ulong format = IMAGE_FORMAT_INVALID; 654 image_header_t *hdr; 655 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 656 char *fit_hdr; 657 #endif 658 659 hdr = (image_header_t *)img_addr; 660 if (image_check_magic(hdr)) 661 format = IMAGE_FORMAT_LEGACY; 662 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 663 else { 664 fit_hdr = (char *)img_addr; 665 if (fdt_check_header (fit_hdr) == 0) 666 format = IMAGE_FORMAT_FIT; 667 } 668 #endif 669 670 return format; 671 } 672 673 /** 674 * genimg_get_image - get image from special storage (if necessary) 675 * @img_addr: image start address 676 * 677 * genimg_get_image() checks if provided image start adddress is located 678 * in a dataflash storage. If so, image is moved to a system RAM memory. 679 * 680 * returns: 681 * image start address after possible relocation from special storage 682 */ 683 ulong genimg_get_image (ulong img_addr) 684 { 685 ulong ram_addr = img_addr; 686 687 #ifdef CONFIG_HAS_DATAFLASH 688 ulong h_size, d_size; 689 690 if (addr_dataflash (img_addr)){ 691 /* ger RAM address */ 692 ram_addr = CFG_LOAD_ADDR; 693 694 /* get header size */ 695 h_size = image_get_header_size (); 696 #if defined(CONFIG_FIT) 697 if (sizeof(struct fdt_header) > h_size) 698 h_size = sizeof(struct fdt_header); 699 #endif 700 701 /* read in header */ 702 debug (" Reading image header from dataflash address " 703 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 704 705 read_dataflash (img_addr, h_size, (char *)ram_addr); 706 707 /* get data size */ 708 switch (genimg_get_format ((void *)ram_addr)) { 709 case IMAGE_FORMAT_LEGACY: 710 d_size = image_get_data_size ((image_header_t *)ram_addr); 711 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", 712 ram_addr, d_size); 713 break; 714 #if defined(CONFIG_FIT) 715 case IMAGE_FORMAT_FIT: 716 d_size = fit_get_size ((const void *)ram_addr) - h_size; 717 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", 718 ram_addr, d_size); 719 break; 720 #endif 721 default: 722 printf (" No valid image found at 0x%08lx\n", img_addr); 723 return ram_addr; 724 } 725 726 /* read in image data */ 727 debug (" Reading image remaining data from dataflash address " 728 "%08lx to RAM address %08lx\n", img_addr + h_size, 729 ram_addr + h_size); 730 731 read_dataflash (img_addr + h_size, d_size, 732 (char *)(ram_addr + h_size)); 733 734 } 735 #endif /* CONFIG_HAS_DATAFLASH */ 736 737 return ram_addr; 738 } 739 740 /** 741 * boot_get_ramdisk - main ramdisk handling routine 742 * @argc: command argument count 743 * @argv: command argument list 744 * @images: pointer to the bootm images structure 745 * @arch: expected ramdisk architecture 746 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 747 * @rd_end: pointer to a ulong variable, will hold ramdisk end 748 * 749 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 750 * Curently supported are the following ramdisk sources: 751 * - multicomponent kernel/ramdisk image, 752 * - commandline provided address of decicated ramdisk image. 753 * 754 * returns: 755 * 0, if ramdisk image was found and valid, or skiped 756 * rd_start and rd_end are set to ramdisk start/end addresses if 757 * ramdisk image is found and valid 758 * 759 * 1, if ramdisk image is found but corrupted 760 * rd_start and rd_end are set to 0 if no ramdisk exists 761 */ 762 int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images, 763 uint8_t arch, ulong *rd_start, ulong *rd_end) 764 { 765 ulong rd_addr, rd_load; 766 ulong rd_data, rd_len; 767 image_header_t *rd_hdr; 768 #if defined(CONFIG_FIT) 769 void *fit_hdr; 770 const char *fit_uname_config = NULL; 771 const char *fit_uname_ramdisk = NULL; 772 ulong default_addr; 773 int rd_noffset; 774 int conf_noffset; 775 const void *data; 776 size_t size; 777 #endif 778 779 *rd_start = 0; 780 *rd_end = 0; 781 782 /* 783 * Look for a '-' which indicates to ignore the 784 * ramdisk argument 785 */ 786 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 787 debug ("## Skipping init Ramdisk\n"); 788 rd_len = rd_data = 0; 789 } else if (argc >= 3) { 790 #if defined(CONFIG_FIT) 791 /* 792 * If the init ramdisk comes from the FIT image and the FIT image 793 * address is omitted in the command line argument, try to use 794 * os FIT image address or default load address. 795 */ 796 if (images->fit_uname_os) 797 default_addr = (ulong)images->fit_hdr_os; 798 else 799 default_addr = load_addr; 800 801 if (fit_parse_conf (argv[2], default_addr, 802 &rd_addr, &fit_uname_config)) { 803 debug ("* ramdisk: config '%s' from image at 0x%08lx\n", 804 fit_uname_config, rd_addr); 805 } else if (fit_parse_subimage (argv[2], default_addr, 806 &rd_addr, &fit_uname_ramdisk)) { 807 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", 808 fit_uname_ramdisk, rd_addr); 809 } else 810 #endif 811 { 812 rd_addr = simple_strtoul(argv[2], NULL, 16); 813 debug ("* ramdisk: cmdline image address = 0x%08lx\n", 814 rd_addr); 815 } 816 817 /* copy from dataflash if needed */ 818 rd_addr = genimg_get_image (rd_addr); 819 820 /* 821 * Check if there is an initrd image at the 822 * address provided in the second bootm argument 823 * check image type, for FIT images get FIT node. 824 */ 825 switch (genimg_get_format ((void *)rd_addr)) { 826 case IMAGE_FORMAT_LEGACY: 827 printf ("## Loading init Ramdisk from Legacy " 828 "Image at %08lx ...\n", rd_addr); 829 830 show_boot_progress (9); 831 rd_hdr = image_get_ramdisk (rd_addr, arch, 832 images->verify); 833 834 if (rd_hdr == NULL) 835 return 1; 836 837 rd_data = image_get_data (rd_hdr); 838 rd_len = image_get_data_size (rd_hdr); 839 rd_load = image_get_load (rd_hdr); 840 break; 841 #if defined(CONFIG_FIT) 842 case IMAGE_FORMAT_FIT: 843 fit_hdr = (void *)rd_addr; 844 printf ("## Loading init Ramdisk from FIT " 845 "Image at %08lx ...\n", rd_addr); 846 847 show_boot_progress (120); 848 if (!fit_check_format (fit_hdr)) { 849 puts ("Bad FIT ramdisk image format!\n"); 850 show_boot_progress (-120); 851 return 0; 852 } 853 show_boot_progress (121); 854 855 if (!fit_uname_ramdisk) { 856 /* 857 * no ramdisk image node unit name, try to get config 858 * node first. If config unit node name is NULL 859 * fit_conf_get_node() will try to find default config node 860 */ 861 show_boot_progress (122); 862 conf_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 863 if (conf_noffset < 0) { 864 show_boot_progress (-122); 865 return 0; 866 } 867 868 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, conf_noffset); 869 fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); 870 } else { 871 /* get ramdisk component image node offset */ 872 show_boot_progress (123); 873 rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); 874 } 875 if (rd_noffset < 0) { 876 show_boot_progress (-124); 877 return 0; 878 } 879 880 printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); 881 882 show_boot_progress (125); 883 if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) 884 return 0; 885 886 /* get ramdisk image data address and length */ 887 if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { 888 puts ("Could not find ramdisk subimage data!\n"); 889 show_boot_progress (-127); 890 return 0; 891 } 892 show_boot_progress (128); 893 894 rd_data = (ulong)data; 895 rd_len = size; 896 897 if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { 898 puts ("Can't get ramdisk subimage load address!\n"); 899 show_boot_progress (-129); 900 return 0; 901 } 902 show_boot_progress (129); 903 904 images->fit_hdr_rd = fit_hdr; 905 images->fit_uname_rd = fit_uname_ramdisk; 906 images->fit_noffset_rd = rd_noffset; 907 break; 908 #endif 909 default: 910 puts ("Wrong Ramdisk Image Format\n"); 911 rd_data = rd_len = rd_load = 0; 912 } 913 914 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 915 /* 916 * We need to copy the ramdisk to SRAM to let Linux boot 917 */ 918 if (rd_data) { 919 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 920 rd_data = rd_load; 921 } 922 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 923 924 } else if (images->legacy_hdr_valid && 925 image_check_type (images->legacy_hdr_os, IH_TYPE_MULTI)) { 926 /* 927 * Now check if we have a legacy mult-component image, 928 * get second entry data start address and len. 929 */ 930 show_boot_progress (13); 931 printf ("## Loading init Ramdisk from multi component " 932 "Legacy Image at %08lx ...\n", 933 (ulong)images->legacy_hdr_os); 934 935 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 936 } else { 937 /* 938 * no initrd image 939 */ 940 show_boot_progress (14); 941 rd_len = rd_data = 0; 942 } 943 944 if (!rd_data) { 945 debug ("## No init Ramdisk\n"); 946 } else { 947 *rd_start = rd_data; 948 *rd_end = rd_data + rd_len; 949 } 950 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 951 *rd_start, *rd_end); 952 953 return 0; 954 } 955 956 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) 957 /** 958 * boot_ramdisk_high - relocate init ramdisk 959 * @lmb: pointer to lmb handle, will be used for memory mgmt 960 * @rd_data: ramdisk data start address 961 * @rd_len: ramdisk data length 962 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 963 * start address (after possible relocation) 964 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 965 * end address (after possible relocation) 966 * 967 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 968 * variable and if requested ramdisk data is moved to a specified location. 969 * 970 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 971 * start/end addresses if ramdisk image start and len were provided, 972 * otherwise set initrd_start and initrd_end set to zeros. 973 * 974 * returns: 975 * 0 - success 976 * -1 - failure 977 */ 978 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 979 ulong *initrd_start, ulong *initrd_end) 980 { 981 char *s; 982 ulong initrd_high; 983 int initrd_copy_to_ram = 1; 984 985 if ((s = getenv ("initrd_high")) != NULL) { 986 /* a value of "no" or a similar string will act like 0, 987 * turning the "load high" feature off. This is intentional. 988 */ 989 initrd_high = simple_strtoul (s, NULL, 16); 990 if (initrd_high == ~0) 991 initrd_copy_to_ram = 0; 992 } else { 993 /* not set, no restrictions to load high */ 994 initrd_high = ~0; 995 } 996 997 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 998 initrd_high, initrd_copy_to_ram); 999 1000 if (rd_data) { 1001 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1002 debug (" in-place initrd\n"); 1003 *initrd_start = rd_data; 1004 *initrd_end = rd_data + rd_len; 1005 lmb_reserve(lmb, rd_data, rd_len); 1006 } else { 1007 if (initrd_high) 1008 *initrd_start = lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 1009 else 1010 *initrd_start = lmb_alloc (lmb, rd_len, 0x1000); 1011 1012 if (*initrd_start == 0) { 1013 puts ("ramdisk - allocation error\n"); 1014 goto error; 1015 } 1016 show_boot_progress (12); 1017 1018 *initrd_end = *initrd_start + rd_len; 1019 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 1020 *initrd_start, *initrd_end); 1021 1022 memmove_wd ((void *)*initrd_start, 1023 (void *)rd_data, rd_len, CHUNKSZ); 1024 1025 puts ("OK\n"); 1026 } 1027 } else { 1028 *initrd_start = 0; 1029 *initrd_end = 0; 1030 } 1031 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1032 *initrd_start, *initrd_end); 1033 1034 return 0; 1035 1036 error: 1037 return -1; 1038 } 1039 1040 /** 1041 * boot_get_cmdline - allocate and initialize kernel cmdline 1042 * @lmb: pointer to lmb handle, will be used for memory mgmt 1043 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1044 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1045 * @bootmap_base: ulong variable, holds offset in physical memory to 1046 * base of bootmap 1047 * 1048 * boot_get_cmdline() allocates space for kernel command line below 1049 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 1050 * variable is present its contents is copied to allocated kernel 1051 * command line. 1052 * 1053 * returns: 1054 * 0 - success 1055 * -1 - failure 1056 */ 1057 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 1058 ulong bootmap_base) 1059 { 1060 char *cmdline; 1061 char *s; 1062 1063 cmdline = (char *)lmb_alloc_base(lmb, CFG_BARGSIZE, 0xf, 1064 CFG_BOOTMAPSZ + bootmap_base); 1065 1066 if (cmdline == NULL) 1067 return -1; 1068 1069 if ((s = getenv("bootargs")) == NULL) 1070 s = ""; 1071 1072 strcpy(cmdline, s); 1073 1074 *cmd_start = (ulong) & cmdline[0]; 1075 *cmd_end = *cmd_start + strlen(cmdline); 1076 1077 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1078 1079 return 0; 1080 } 1081 1082 /** 1083 * boot_get_kbd - allocate and initialize kernel copy of board info 1084 * @lmb: pointer to lmb handle, will be used for memory mgmt 1085 * @kbd: double pointer to board info data 1086 * @bootmap_base: ulong variable, holds offset in physical memory to 1087 * base of bootmap 1088 * 1089 * boot_get_kbd() allocates space for kernel copy of board info data below 1090 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1091 * the current u-boot board info data. 1092 * 1093 * returns: 1094 * 0 - success 1095 * -1 - failure 1096 */ 1097 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1098 { 1099 *kbd = (bd_t *)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1100 CFG_BOOTMAPSZ + bootmap_base); 1101 if (*kbd == NULL) 1102 return -1; 1103 1104 **kbd = *(gd->bd); 1105 1106 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1107 1108 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1109 do_bdinfo(NULL, 0, 0, NULL); 1110 #endif 1111 1112 return 0; 1113 } 1114 #endif /* CONFIG_PPC || CONFIG_M68K */ 1115 #endif /* !USE_HOSTCC */ 1116 1117 #if defined(CONFIG_FIT) 1118 /*****************************************************************************/ 1119 /* New uImage format routines */ 1120 /*****************************************************************************/ 1121 #ifndef USE_HOSTCC 1122 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1123 ulong *addr, const char **name) 1124 { 1125 const char *sep; 1126 1127 *addr = addr_curr; 1128 *name = NULL; 1129 1130 sep = strchr (spec, sepc); 1131 if (sep) { 1132 if (sep - spec > 0) 1133 *addr = simple_strtoul (spec, NULL, 16); 1134 1135 *name = sep + 1; 1136 return 1; 1137 } 1138 1139 return 0; 1140 } 1141 1142 /** 1143 * fit_parse_conf - parse FIT configuration spec 1144 * @spec: input string, containing configuration spec 1145 * @add_curr: current image address (to be used as a possible default) 1146 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1147 * configuration 1148 * @conf_name double pointer to a char, will hold pointer to a configuration 1149 * unit name 1150 * 1151 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1152 * where <addr> is a FIT image address that contains configuration 1153 * with a <conf> unit name. 1154 * 1155 * Address part is optional, and if omitted default add_curr will 1156 * be used instead. 1157 * 1158 * returns: 1159 * 1 if spec is a valid configuration string, 1160 * addr and conf_name are set accordingly 1161 * 0 otherwise 1162 */ 1163 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1164 ulong *addr, const char **conf_name) 1165 { 1166 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1167 } 1168 1169 /** 1170 * fit_parse_subimage - parse FIT subimage spec 1171 * @spec: input string, containing subimage spec 1172 * @add_curr: current image address (to be used as a possible default) 1173 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1174 * subimage 1175 * @image_name: double pointer to a char, will hold pointer to a subimage name 1176 * 1177 * fit_parse_subimage() expects subimage spec in the for of 1178 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1179 * subimage with a <subimg> unit name. 1180 * 1181 * Address part is optional, and if omitted default add_curr will 1182 * be used instead. 1183 * 1184 * returns: 1185 * 1 if spec is a valid subimage string, 1186 * addr and image_name are set accordingly 1187 * 0 otherwise 1188 */ 1189 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1190 ulong *addr, const char **image_name) 1191 { 1192 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1193 } 1194 #endif /* !USE_HOSTCC */ 1195 1196 static void fit_get_debug (const void *fit, int noffset, 1197 char *prop_name, int err) 1198 { 1199 debug ("Can't get '%s' property from FIT 0x%08lx, " 1200 "node: offset %d, name %s (%s)\n", 1201 prop_name, (ulong)fit, noffset, 1202 fit_get_name (fit, noffset, NULL), 1203 fdt_strerror (err)); 1204 } 1205 1206 /** 1207 * __fit_print_contents - prints out the contents of the FIT format image 1208 * @fit: pointer to the FIT format image header 1209 * @p: pointer to prefix string 1210 * 1211 * __fit_print_contents() formats a multi line FIT image contents description. 1212 * The routine prints out FIT image properties (root node level) follwed by 1213 * the details of each component image. 1214 * 1215 * returns: 1216 * no returned results 1217 */ 1218 static void __fit_print_contents (const void *fit, const char *p) 1219 { 1220 char *desc; 1221 char *uname; 1222 int images_noffset; 1223 int confs_noffset; 1224 int noffset; 1225 int ndepth; 1226 int count = 0; 1227 int ret; 1228 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1229 time_t timestamp; 1230 #endif 1231 1232 /* Root node properties */ 1233 ret = fit_get_desc (fit, 0, &desc); 1234 printf ("%sFIT description: ", p); 1235 if (ret) 1236 printf ("unavailable\n"); 1237 else 1238 printf ("%s\n", desc); 1239 1240 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1241 ret = fit_get_timestamp (fit, 0, ×tamp); 1242 printf ("%sCreated: ", p); 1243 if (ret) 1244 printf ("unavailable\n"); 1245 else 1246 genimg_print_time (timestamp); 1247 #endif 1248 1249 /* Find images parent node offset */ 1250 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1251 if (images_noffset < 0) { 1252 printf ("Can't find images parent node '%s' (%s)\n", 1253 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1254 return; 1255 } 1256 1257 /* Process its subnodes, print out component images details */ 1258 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1259 (noffset >= 0) && (ndepth > 0); 1260 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1261 if (ndepth == 1) { 1262 /* 1263 * Direct child node of the images parent node, 1264 * i.e. component image node. 1265 */ 1266 printf ("%s Image %u (%s)\n", p, count++, 1267 fit_get_name(fit, noffset, NULL)); 1268 1269 fit_image_print (fit, noffset, p); 1270 } 1271 } 1272 1273 /* Find configurations parent node offset */ 1274 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 1275 if (confs_noffset < 0) { 1276 debug ("Can't get configurations parent node '%s' (%s)\n", 1277 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 1278 return; 1279 } 1280 1281 /* get default configuration unit name from default property */ 1282 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); 1283 if (uname) 1284 printf ("%s Default Configuration: '%s'\n", p, uname); 1285 1286 /* Process its subnodes, print out configurations details */ 1287 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); 1288 (noffset >= 0) && (ndepth > 0); 1289 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1290 if (ndepth == 1) { 1291 /* 1292 * Direct child node of the configurations parent node, 1293 * i.e. configuration node. 1294 */ 1295 printf ("%s Configuration %u (%s)\n", p, count++, 1296 fit_get_name(fit, noffset, NULL)); 1297 1298 fit_conf_print (fit, noffset, p); 1299 } 1300 } 1301 } 1302 1303 inline void fit_print_contents (const void *fit) 1304 { 1305 __fit_print_contents (fit, " "); 1306 } 1307 1308 inline void fit_print_contents_noindent (const void *fit) 1309 { 1310 __fit_print_contents (fit, ""); 1311 } 1312 1313 /** 1314 * fit_image_print - prints out the FIT component image details 1315 * @fit: pointer to the FIT format image header 1316 * @image_noffset: offset of the component image node 1317 * @p: pointer to prefix string 1318 * 1319 * fit_image_print() lists all mandatory properies for the processed component 1320 * image. If present, hash nodes are printed out as well. 1321 * 1322 * returns: 1323 * no returned results 1324 */ 1325 void fit_image_print (const void *fit, int image_noffset, const char *p) 1326 { 1327 char *desc; 1328 uint8_t type, arch, os, comp; 1329 size_t size; 1330 ulong load, entry; 1331 const void *data; 1332 int noffset; 1333 int ndepth; 1334 int ret; 1335 1336 /* Mandatory properties */ 1337 ret = fit_get_desc (fit, image_noffset, &desc); 1338 printf ("%s Description: ", p); 1339 if (ret) 1340 printf ("unavailable\n"); 1341 else 1342 printf ("%s\n", desc); 1343 1344 fit_image_get_type (fit, image_noffset, &type); 1345 printf ("%s Type: %s\n", p, genimg_get_type_name (type)); 1346 1347 fit_image_get_comp (fit, image_noffset, &comp); 1348 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); 1349 1350 ret = fit_image_get_data (fit, image_noffset, &data, &size); 1351 1352 #ifndef USE_HOSTCC 1353 printf ("%s Data Start: ", p); 1354 if (ret) 1355 printf ("unavailable\n"); 1356 else 1357 printf ("0x%08lx\n", (ulong)data); 1358 #endif 1359 1360 printf ("%s Data Size: ", p); 1361 if (ret) 1362 printf ("unavailable\n"); 1363 else 1364 genimg_print_size (size); 1365 1366 /* Remaining, type dependent properties */ 1367 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1368 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 1369 (type == IH_TYPE_FLATDT)) { 1370 fit_image_get_arch (fit, image_noffset, &arch); 1371 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); 1372 } 1373 1374 if (type == IH_TYPE_KERNEL) { 1375 fit_image_get_os (fit, image_noffset, &os); 1376 printf ("%s OS: %s\n", p, genimg_get_os_name (os)); 1377 } 1378 1379 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 1380 ret = fit_image_get_load (fit, image_noffset, &load); 1381 printf ("%s Load Address: ", p); 1382 if (ret) 1383 printf ("unavailable\n"); 1384 else 1385 printf ("0x%08lx\n", load); 1386 1387 fit_image_get_entry (fit, image_noffset, &entry); 1388 printf ("%s Entry Point: ", p); 1389 if (ret) 1390 printf ("unavailable\n"); 1391 else 1392 printf ("0x%08lx\n", entry); 1393 } 1394 1395 /* Process all hash subnodes of the component image node */ 1396 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1397 (noffset >= 0) && (ndepth > 0); 1398 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1399 if (ndepth == 1) { 1400 /* Direct child node of the component image node */ 1401 fit_image_print_hash (fit, noffset, p); 1402 } 1403 } 1404 } 1405 1406 /** 1407 * fit_image_print_hash - prints out the hash node details 1408 * @fit: pointer to the FIT format image header 1409 * @noffset: offset of the hash node 1410 * @p: pointer to prefix string 1411 * 1412 * fit_image_print_hash() lists properies for the processed hash node 1413 * 1414 * returns: 1415 * no returned results 1416 */ 1417 void fit_image_print_hash (const void *fit, int noffset, const char *p) 1418 { 1419 char *algo; 1420 uint8_t *value; 1421 int value_len; 1422 int i, ret; 1423 1424 /* 1425 * Check subnode name, must be equal to "hash". 1426 * Multiple hash nodes require unique unit node 1427 * names, e.g. hash@1, hash@2, etc. 1428 */ 1429 if (strncmp (fit_get_name(fit, noffset, NULL), 1430 FIT_HASH_NODENAME, 1431 strlen(FIT_HASH_NODENAME)) != 0) 1432 return; 1433 1434 debug ("%s Hash node: '%s'\n", p, 1435 fit_get_name (fit, noffset, NULL)); 1436 1437 printf ("%s Hash algo: ", p); 1438 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1439 printf ("invalid/unsupported\n"); 1440 return; 1441 } 1442 printf ("%s\n", algo); 1443 1444 ret = fit_image_hash_get_value (fit, noffset, &value, 1445 &value_len); 1446 printf ("%s Hash value: ", p); 1447 if (ret) { 1448 printf ("unavailable\n"); 1449 } else { 1450 for (i = 0; i < value_len; i++) 1451 printf ("%02x", value[i]); 1452 printf ("\n"); 1453 } 1454 1455 debug ("%s Hash len: %d\n", p, value_len); 1456 } 1457 1458 /** 1459 * fit_get_desc - get node description property 1460 * @fit: pointer to the FIT format image header 1461 * @noffset: node offset 1462 * @desc: double pointer to the char, will hold pointer to the descrption 1463 * 1464 * fit_get_desc() reads description property from a given node, if 1465 * description is found pointer to it is returened in third call argument. 1466 * 1467 * returns: 1468 * 0, on success 1469 * -1, on failure 1470 */ 1471 int fit_get_desc (const void *fit, int noffset, char **desc) 1472 { 1473 int len; 1474 1475 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); 1476 if (*desc == NULL) { 1477 fit_get_debug (fit, noffset, FIT_DESC_PROP, len); 1478 return -1; 1479 } 1480 1481 return 0; 1482 } 1483 1484 /** 1485 * fit_get_timestamp - get node timestamp property 1486 * @fit: pointer to the FIT format image header 1487 * @noffset: node offset 1488 * @timestamp: pointer to the time_t, will hold read timestamp 1489 * 1490 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 1491 * is found and has a correct size its value is retured in third call 1492 * argument. 1493 * 1494 * returns: 1495 * 0, on success 1496 * -1, on property read failure 1497 * -2, on wrong timestamp size 1498 */ 1499 int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) 1500 { 1501 int len; 1502 const void *data; 1503 1504 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); 1505 if (data == NULL) { 1506 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); 1507 return -1; 1508 } 1509 if (len != sizeof (uint32_t)) { 1510 debug ("FIT timestamp with incorrect size of (%u)\n", len); 1511 return -2; 1512 } 1513 1514 *timestamp = uimage_to_cpu (*((uint32_t *)data)); 1515 return 0; 1516 } 1517 1518 /** 1519 * fit_image_get_node - get node offset for component image of a given unit name 1520 * @fit: pointer to the FIT format image header 1521 * @image_uname: component image node unit name 1522 * 1523 * fit_image_get_node() finds a component image (withing the '/images' 1524 * node) of a provided unit name. If image is found its node offset is 1525 * returned to the caller. 1526 * 1527 * returns: 1528 * image node offset when found (>=0) 1529 * negative number on failure (FDT_ERR_* code) 1530 */ 1531 int fit_image_get_node (const void *fit, const char *image_uname) 1532 { 1533 int noffset, images_noffset; 1534 1535 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1536 if (images_noffset < 0) { 1537 debug ("Can't find images parent node '%s' (%s)\n", 1538 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1539 return images_noffset; 1540 } 1541 1542 noffset = fdt_subnode_offset (fit, images_noffset, image_uname); 1543 if (noffset < 0) { 1544 debug ("Can't get node offset for image unit name: '%s' (%s)\n", 1545 image_uname, fdt_strerror (noffset)); 1546 } 1547 1548 return noffset; 1549 } 1550 1551 /** 1552 * fit_image_get_os - get os id for a given component image node 1553 * @fit: pointer to the FIT format image header 1554 * @noffset: component image node offset 1555 * @os: pointer to the uint8_t, will hold os numeric id 1556 * 1557 * fit_image_get_os() finds os property in a given component image node. 1558 * If the property is found, its (string) value is translated to the numeric 1559 * id which is returned to the caller. 1560 * 1561 * returns: 1562 * 0, on success 1563 * -1, on failure 1564 */ 1565 int fit_image_get_os (const void *fit, int noffset, uint8_t *os) 1566 { 1567 int len; 1568 const void *data; 1569 1570 /* Get OS name from property data */ 1571 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); 1572 if (data == NULL) { 1573 fit_get_debug (fit, noffset, FIT_OS_PROP, len); 1574 *os = -1; 1575 return -1; 1576 } 1577 1578 /* Translate OS name to id */ 1579 *os = genimg_get_os_id (data); 1580 return 0; 1581 } 1582 1583 /** 1584 * fit_image_get_arch - get arch id for a given component image node 1585 * @fit: pointer to the FIT format image header 1586 * @noffset: component image node offset 1587 * @arch: pointer to the uint8_t, will hold arch numeric id 1588 * 1589 * fit_image_get_arch() finds arch property in a given component image node. 1590 * If the property is found, its (string) value is translated to the numeric 1591 * id which is returned to the caller. 1592 * 1593 * returns: 1594 * 0, on success 1595 * -1, on failure 1596 */ 1597 int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) 1598 { 1599 int len; 1600 const void *data; 1601 1602 /* Get architecture name from property data */ 1603 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); 1604 if (data == NULL) { 1605 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); 1606 *arch = -1; 1607 return -1; 1608 } 1609 1610 /* Translate architecture name to id */ 1611 *arch = genimg_get_arch_id (data); 1612 return 0; 1613 } 1614 1615 /** 1616 * fit_image_get_type - get type id for a given component image node 1617 * @fit: pointer to the FIT format image header 1618 * @noffset: component image node offset 1619 * @type: pointer to the uint8_t, will hold type numeric id 1620 * 1621 * fit_image_get_type() finds type property in a given component image node. 1622 * If the property is found, its (string) value is translated to the numeric 1623 * id which is returned to the caller. 1624 * 1625 * returns: 1626 * 0, on success 1627 * -1, on failure 1628 */ 1629 int fit_image_get_type (const void *fit, int noffset, uint8_t *type) 1630 { 1631 int len; 1632 const void *data; 1633 1634 /* Get image type name from property data */ 1635 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); 1636 if (data == NULL) { 1637 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); 1638 *type = -1; 1639 return -1; 1640 } 1641 1642 /* Translate image type name to id */ 1643 *type = genimg_get_type_id (data); 1644 return 0; 1645 } 1646 1647 /** 1648 * fit_image_get_comp - get comp id for a given component image node 1649 * @fit: pointer to the FIT format image header 1650 * @noffset: component image node offset 1651 * @comp: pointer to the uint8_t, will hold comp numeric id 1652 * 1653 * fit_image_get_comp() finds comp property in a given component image node. 1654 * If the property is found, its (string) value is translated to the numeric 1655 * id which is returned to the caller. 1656 * 1657 * returns: 1658 * 0, on success 1659 * -1, on failure 1660 */ 1661 int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) 1662 { 1663 int len; 1664 const void *data; 1665 1666 /* Get compression name from property data */ 1667 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); 1668 if (data == NULL) { 1669 fit_get_debug (fit, noffset, FIT_COMP_PROP, len); 1670 *comp = -1; 1671 return -1; 1672 } 1673 1674 /* Translate compression name to id */ 1675 *comp = genimg_get_comp_id (data); 1676 return 0; 1677 } 1678 1679 /** 1680 * fit_image_get_load - get load address property for a given component image node 1681 * @fit: pointer to the FIT format image header 1682 * @noffset: component image node offset 1683 * @load: pointer to the uint32_t, will hold load address 1684 * 1685 * fit_image_get_load() finds load address property in a given component image node. 1686 * If the property is found, its value is returned to the caller. 1687 * 1688 * returns: 1689 * 0, on success 1690 * -1, on failure 1691 */ 1692 int fit_image_get_load (const void *fit, int noffset, ulong *load) 1693 { 1694 int len; 1695 const uint32_t *data; 1696 1697 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); 1698 if (data == NULL) { 1699 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); 1700 return -1; 1701 } 1702 1703 *load = uimage_to_cpu (*data); 1704 return 0; 1705 } 1706 1707 /** 1708 * fit_image_get_entry - get entry point address property for a given component image node 1709 * @fit: pointer to the FIT format image header 1710 * @noffset: component image node offset 1711 * @entry: pointer to the uint32_t, will hold entry point address 1712 * 1713 * fit_image_get_entry() finds entry point address property in a given component image node. 1714 * If the property is found, its value is returned to the caller. 1715 * 1716 * returns: 1717 * 0, on success 1718 * -1, on failure 1719 */ 1720 int fit_image_get_entry (const void *fit, int noffset, ulong *entry) 1721 { 1722 int len; 1723 const uint32_t *data; 1724 1725 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); 1726 if (data == NULL) { 1727 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); 1728 return -1; 1729 } 1730 1731 *entry = uimage_to_cpu (*data); 1732 return 0; 1733 } 1734 1735 /** 1736 * fit_image_get_data - get data property and its size for a given component image node 1737 * @fit: pointer to the FIT format image header 1738 * @noffset: component image node offset 1739 * @data: double pointer to void, will hold data property's data address 1740 * @size: pointer to size_t, will hold data property's data size 1741 * 1742 * fit_image_get_data() finds data property in a given component image node. 1743 * If the property is found its data start address and size are returned to 1744 * the caller. 1745 * 1746 * returns: 1747 * 0, on success 1748 * -1, on failure 1749 */ 1750 int fit_image_get_data (const void *fit, int noffset, 1751 const void **data, size_t *size) 1752 { 1753 int len; 1754 1755 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); 1756 if (*data == NULL) { 1757 fit_get_debug (fit, noffset, FIT_DATA_PROP, len); 1758 *size = 0; 1759 return -1; 1760 } 1761 1762 *size = len; 1763 return 0; 1764 } 1765 1766 /** 1767 * fit_image_hash_get_algo - get hash algorithm name 1768 * @fit: pointer to the FIT format image header 1769 * @noffset: hash node offset 1770 * @algo: double pointer to char, will hold pointer to the algorithm name 1771 * 1772 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 1773 * If the property is found its data start address is returned to the caller. 1774 * 1775 * returns: 1776 * 0, on success 1777 * -1, on failure 1778 */ 1779 int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) 1780 { 1781 int len; 1782 1783 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); 1784 if (*algo == NULL) { 1785 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); 1786 return -1; 1787 } 1788 1789 return 0; 1790 } 1791 1792 /** 1793 * fit_image_hash_get_value - get hash value and length 1794 * @fit: pointer to the FIT format image header 1795 * @noffset: hash node offset 1796 * @value: double pointer to uint8_t, will hold address of a hash value data 1797 * @value_len: pointer to an int, will hold hash data length 1798 * 1799 * fit_image_hash_get_value() finds hash value property in a given hash node. 1800 * If the property is found its data start address and size are returned to 1801 * the caller. 1802 * 1803 * returns: 1804 * 0, on success 1805 * -1, on failure 1806 */ 1807 int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, 1808 int *value_len) 1809 { 1810 int len; 1811 1812 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); 1813 if (*value == NULL) { 1814 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); 1815 *value_len = 0; 1816 return -1; 1817 } 1818 1819 *value_len = len; 1820 return 0; 1821 } 1822 1823 /** 1824 * fit_set_timestamp - set node timestamp property 1825 * @fit: pointer to the FIT format image header 1826 * @noffset: node offset 1827 * @timestamp: timestamp value to be set 1828 * 1829 * fit_set_timestamp() attempts to set timestamp property in the requested 1830 * node and returns operation status to the caller. 1831 * 1832 * returns: 1833 * 0, on success 1834 * -1, on property read failure 1835 */ 1836 int fit_set_timestamp (void *fit, int noffset, time_t timestamp) 1837 { 1838 uint32_t t; 1839 int ret; 1840 1841 t = cpu_to_uimage (timestamp); 1842 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, 1843 sizeof (uint32_t)); 1844 if (ret) { 1845 printf ("Can't set '%s' property for '%s' node (%s)\n", 1846 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), 1847 fdt_strerror (ret)); 1848 return -1; 1849 } 1850 1851 return 0; 1852 } 1853 1854 /** 1855 * calculate_hash - calculate and return hash for provided input data 1856 * @data: pointer to the input data 1857 * @data_len: data length 1858 * @algo: requested hash algorithm 1859 * @value: pointer to the char, will hold hash value data (caller must 1860 * allocate enough free space) 1861 * value_len: length of the calculated hash 1862 * 1863 * calculate_hash() computes input data hash according to the requested algorithm. 1864 * Resulting hash value is placed in caller provided 'value' buffer, length 1865 * of the calculated hash is returned via value_len pointer argument. 1866 * 1867 * returns: 1868 * 0, on success 1869 * -1, when algo is unsupported 1870 */ 1871 static int calculate_hash (const void *data, int data_len, const char *algo, 1872 uint8_t *value, int *value_len) 1873 { 1874 if (strcmp (algo, "crc32") == 0 ) { 1875 *((uint32_t *)value) = crc32 (0, data, data_len); 1876 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); 1877 *value_len = 4; 1878 } else if (strcmp (algo, "sha1") == 0 ) { 1879 sha1_csum ((unsigned char *) data, data_len, 1880 (unsigned char *) value); 1881 *value_len = 20; 1882 } else if (strcmp (algo, "md5") == 0 ) { 1883 printf ("MD5 not supported\n"); 1884 *value_len = 0; 1885 } else { 1886 debug ("Unsupported hash alogrithm\n"); 1887 return -1; 1888 } 1889 return 0; 1890 } 1891 1892 #ifdef USE_HOSTCC 1893 /** 1894 * fit_set_hashes - process FIT component image nodes and calculate hashes 1895 * @fit: pointer to the FIT format image header 1896 * 1897 * fit_set_hashes() adds hash values for all component images in the FIT blob. 1898 * Hashes are calculated for all component images which have hash subnodes 1899 * with algorithm property set to one of the supported hash algorithms. 1900 * 1901 * returns 1902 * 0, on success 1903 * libfdt error code, on failure 1904 */ 1905 int fit_set_hashes (void *fit) 1906 { 1907 int images_noffset; 1908 int noffset; 1909 int ndepth; 1910 int ret; 1911 1912 /* Find images parent node offset */ 1913 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1914 if (images_noffset < 0) { 1915 printf ("Can't find images parent node '%s' (%s)\n", 1916 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1917 return images_noffset; 1918 } 1919 1920 /* Process its subnodes, print out component images details */ 1921 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1922 (noffset >= 0) && (ndepth > 0); 1923 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1924 if (ndepth == 1) { 1925 /* 1926 * Direct child node of the images parent node, 1927 * i.e. component image node. 1928 */ 1929 ret = fit_image_set_hashes (fit, noffset); 1930 if (ret) 1931 return ret; 1932 } 1933 } 1934 1935 return 0; 1936 } 1937 1938 /** 1939 * fit_image_set_hashes - calculate/set hashes for given component image node 1940 * @fit: pointer to the FIT format image header 1941 * @image_noffset: requested component image node 1942 * 1943 * fit_image_set_hashes() adds hash values for an component image node. All 1944 * existing hash subnodes are checked, if algorithm property is set to one of 1945 * the supported hash algorithms, hash value is computed and corresponding 1946 * hash node property is set, for example: 1947 * 1948 * Input component image node structure: 1949 * 1950 * o image@1 (at image_noffset) 1951 * | - data = [binary data] 1952 * o hash@1 1953 * |- algo = "sha1" 1954 * 1955 * Output component image node structure: 1956 * 1957 * o image@1 (at image_noffset) 1958 * | - data = [binary data] 1959 * o hash@1 1960 * |- algo = "sha1" 1961 * |- value = sha1(data) 1962 * 1963 * returns: 1964 * 0 on sucess 1965 * <0 on failure 1966 */ 1967 int fit_image_set_hashes (void *fit, int image_noffset) 1968 { 1969 const void *data; 1970 size_t size; 1971 char *algo; 1972 uint8_t value[FIT_MAX_HASH_LEN]; 1973 int value_len; 1974 int noffset; 1975 int ndepth; 1976 1977 /* Get image data and data length */ 1978 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 1979 printf ("Can't get image data/size\n"); 1980 return -1; 1981 } 1982 1983 /* Process all hash subnodes of the component image node */ 1984 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1985 (noffset >= 0) && (ndepth > 0); 1986 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1987 if (ndepth == 1) { 1988 /* Direct child node of the component image node */ 1989 1990 /* 1991 * Check subnode name, must be equal to "hash". 1992 * Multiple hash nodes require unique unit node 1993 * names, e.g. hash@1, hash@2, etc. 1994 */ 1995 if (strncmp (fit_get_name(fit, noffset, NULL), 1996 FIT_HASH_NODENAME, 1997 strlen(FIT_HASH_NODENAME)) != 0) { 1998 /* Not a hash subnode, skip it */ 1999 continue; 2000 } 2001 2002 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2003 printf ("Can't get hash algo property for " 2004 "'%s' hash node in '%s' image node\n", 2005 fit_get_name (fit, noffset, NULL), 2006 fit_get_name (fit, image_noffset, NULL)); 2007 return -1; 2008 } 2009 2010 if (calculate_hash (data, size, algo, value, &value_len)) { 2011 printf ("Unsupported hash algorithm (%s) for " 2012 "'%s' hash node in '%s' image node\n", 2013 algo, fit_get_name (fit, noffset, NULL), 2014 fit_get_name (fit, image_noffset, NULL)); 2015 return -1; 2016 } 2017 2018 if (fit_image_hash_set_value (fit, noffset, value, 2019 value_len)) { 2020 printf ("Can't set hash value for " 2021 "'%s' hash node in '%s' image node\n", 2022 fit_get_name (fit, noffset, NULL), 2023 fit_get_name (fit, image_noffset, NULL)); 2024 return -1; 2025 } 2026 } 2027 } 2028 2029 return 0; 2030 } 2031 2032 /** 2033 * fit_image_hash_set_value - set hash value in requested has node 2034 * @fit: pointer to the FIT format image header 2035 * @noffset: hash node offset 2036 * @value: hash value to be set 2037 * @value_len: hash value length 2038 * 2039 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2040 * given and returns operation status to the caller. 2041 * 2042 * returns 2043 * 0, on success 2044 * -1, on failure 2045 */ 2046 int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, 2047 int value_len) 2048 { 2049 int ret; 2050 2051 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); 2052 if (ret) { 2053 printf ("Can't set hash '%s' property for '%s' node (%s)\n", 2054 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), 2055 fdt_strerror (ret)); 2056 return -1; 2057 } 2058 2059 return 0; 2060 } 2061 #endif /* USE_HOSTCC */ 2062 2063 /** 2064 * fit_image_check_hashes - verify data intergity 2065 * @fit: pointer to the FIT format image header 2066 * @image_noffset: component image node offset 2067 * 2068 * fit_image_check_hashes() goes over component image hash nodes, 2069 * re-calculates each data hash and compares with the value stored in hash 2070 * node. 2071 * 2072 * returns: 2073 * 1, if all hashes are valid 2074 * 0, otherwise (or on error) 2075 */ 2076 int fit_image_check_hashes (const void *fit, int image_noffset) 2077 { 2078 const void *data; 2079 size_t size; 2080 char *algo; 2081 uint8_t *fit_value; 2082 int fit_value_len; 2083 uint8_t value[FIT_MAX_HASH_LEN]; 2084 int value_len; 2085 int noffset; 2086 int ndepth; 2087 char *err_msg = ""; 2088 2089 /* Get image data and data length */ 2090 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2091 printf ("Can't get image data/size\n"); 2092 return 0; 2093 } 2094 2095 /* Process all hash subnodes of the component image node */ 2096 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2097 (noffset >= 0) && (ndepth > 0); 2098 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2099 if (ndepth == 1) { 2100 /* Direct child node of the component image node */ 2101 2102 /* 2103 * Check subnode name, must be equal to "hash". 2104 * Multiple hash nodes require unique unit node 2105 * names, e.g. hash@1, hash@2, etc. 2106 */ 2107 if (strncmp (fit_get_name(fit, noffset, NULL), 2108 FIT_HASH_NODENAME, 2109 strlen(FIT_HASH_NODENAME)) != 0) 2110 continue; 2111 2112 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2113 err_msg = "Can't get hash algo property"; 2114 goto error; 2115 } 2116 printf ("%s", algo); 2117 2118 if (fit_image_hash_get_value (fit, noffset, &fit_value, 2119 &fit_value_len)) { 2120 err_msg = "Can't get hash value property"; 2121 goto error; 2122 } 2123 2124 if (calculate_hash (data, size, algo, value, &value_len)) { 2125 err_msg = "Unsupported hash algorithm"; 2126 goto error; 2127 } 2128 2129 if (value_len != fit_value_len) { 2130 err_msg = "Bad hash value len"; 2131 goto error; 2132 } else if (memcmp (value, fit_value, value_len) != 0) { 2133 err_msg = "Bad hash value"; 2134 goto error; 2135 } 2136 printf ("+ "); 2137 } 2138 } 2139 2140 return 1; 2141 2142 error: 2143 printf ("%s for '%s' hash node in '%s' image node\n", 2144 err_msg, fit_get_name (fit, noffset, NULL), 2145 fit_get_name (fit, image_noffset, NULL)); 2146 return 0; 2147 } 2148 2149 /** 2150 * fit_image_check_os - check whether image node is of a given os type 2151 * @fit: pointer to the FIT format image header 2152 * @noffset: component image node offset 2153 * @os: requested image os 2154 * 2155 * fit_image_check_os() reads image os property and compares its numeric 2156 * id with the requested os. Comparison result is returned to the caller. 2157 * 2158 * returns: 2159 * 1 if image is of given os type 2160 * 0 otherwise (or on error) 2161 */ 2162 int fit_image_check_os (const void *fit, int noffset, uint8_t os) 2163 { 2164 uint8_t image_os; 2165 2166 if (fit_image_get_os (fit, noffset, &image_os)) 2167 return 0; 2168 return (os == image_os); 2169 } 2170 2171 /** 2172 * fit_image_check_arch - check whether image node is of a given arch 2173 * @fit: pointer to the FIT format image header 2174 * @noffset: component image node offset 2175 * @arch: requested imagearch 2176 * 2177 * fit_image_check_arch() reads image arch property and compares its numeric 2178 * id with the requested arch. Comparison result is returned to the caller. 2179 * 2180 * returns: 2181 * 1 if image is of given arch 2182 * 0 otherwise (or on error) 2183 */ 2184 int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) 2185 { 2186 uint8_t image_arch; 2187 2188 if (fit_image_get_arch (fit, noffset, &image_arch)) 2189 return 0; 2190 return (arch == image_arch); 2191 } 2192 2193 /** 2194 * fit_image_check_type - check whether image node is of a given type 2195 * @fit: pointer to the FIT format image header 2196 * @noffset: component image node offset 2197 * @type: requested image type 2198 * 2199 * fit_image_check_type() reads image type property and compares its numeric 2200 * id with the requested type. Comparison result is returned to the caller. 2201 * 2202 * returns: 2203 * 1 if image is of given type 2204 * 0 otherwise (or on error) 2205 */ 2206 int fit_image_check_type (const void *fit, int noffset, uint8_t type) 2207 { 2208 uint8_t image_type; 2209 2210 if (fit_image_get_type (fit, noffset, &image_type)) 2211 return 0; 2212 return (type == image_type); 2213 } 2214 2215 /** 2216 * fit_image_check_comp - check whether image node uses given compression 2217 * @fit: pointer to the FIT format image header 2218 * @noffset: component image node offset 2219 * @comp: requested image compression type 2220 * 2221 * fit_image_check_comp() reads image compression property and compares its 2222 * numeric id with the requested compression type. Comparison result is 2223 * returned to the caller. 2224 * 2225 * returns: 2226 * 1 if image uses requested compression 2227 * 0 otherwise (or on error) 2228 */ 2229 int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) 2230 { 2231 uint8_t image_comp; 2232 2233 if (fit_image_get_comp (fit, noffset, &image_comp)) 2234 return 0; 2235 return (comp == image_comp); 2236 } 2237 2238 /** 2239 * fit_check_format - sanity check FIT image format 2240 * @fit: pointer to the FIT format image header 2241 * 2242 * fit_check_format() runs a basic sanity FIT image verification. 2243 * Routine checks for mandatory properties, nodes, etc. 2244 * 2245 * returns: 2246 * 1, on success 2247 * 0, on failure 2248 */ 2249 int fit_check_format (const void *fit) 2250 { 2251 /* mandatory / node 'description' property */ 2252 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2253 debug ("Wrong FIT format: no description\n"); 2254 return 0; 2255 } 2256 2257 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2258 /* mandatory / node 'timestamp' property */ 2259 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2260 debug ("Wrong FIT format: no description\n"); 2261 return 0; 2262 } 2263 #endif 2264 2265 /* mandatory subimages parent '/images' node */ 2266 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { 2267 debug ("Wrong FIT format: no images parent node\n"); 2268 return 0; 2269 } 2270 2271 return 1; 2272 } 2273 2274 /** 2275 * fit_conf_get_node - get node offset for configuration of a given unit name 2276 * @fit: pointer to the FIT format image header 2277 * @conf_uname: configuration node unit name 2278 * 2279 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2280 * parant node) of a provided unit name. If configuration is found its node offset 2281 * is returned to the caller. 2282 * 2283 * When NULL is provided in second argument fit_conf_get_node() will search 2284 * for a default configuration node instead. Default configuration node unit name 2285 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2286 * 2287 * returns: 2288 * configuration node offset when found (>=0) 2289 * negative number on failure (FDT_ERR_* code) 2290 */ 2291 int fit_conf_get_node (const void *fit, const char *conf_uname) 2292 { 2293 int noffset, confs_noffset; 2294 int len; 2295 2296 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 2297 if (confs_noffset < 0) { 2298 debug ("Can't find configurations parent node '%s' (%s)\n", 2299 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 2300 return confs_noffset; 2301 } 2302 2303 if (conf_uname == NULL) { 2304 /* get configuration unit name from the default property */ 2305 debug ("No configuration specified, trying default...\n"); 2306 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); 2307 if (conf_uname == NULL) { 2308 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); 2309 return len; 2310 } 2311 debug ("Found default configuration: '%s'\n", conf_uname); 2312 } 2313 2314 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); 2315 if (noffset < 0) { 2316 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", 2317 conf_uname, fdt_strerror (noffset)); 2318 } 2319 2320 return noffset; 2321 } 2322 2323 static int __fit_conf_get_prop_node (const void *fit, int noffset, 2324 const char *prop_name) 2325 { 2326 char *uname; 2327 int len; 2328 2329 /* get kernel image unit name from configuration kernel property */ 2330 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); 2331 if (uname == NULL) 2332 return len; 2333 2334 return fit_image_get_node (fit, uname); 2335 } 2336 2337 /** 2338 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 2339 * a given configuration 2340 * @fit: pointer to the FIT format image header 2341 * @noffset: configuration node offset 2342 * 2343 * fit_conf_get_kernel_node() retrives kernel image node unit name from 2344 * configuration FIT_KERNEL_PROP property and translates it to the node 2345 * offset. 2346 * 2347 * returns: 2348 * image node offset when found (>=0) 2349 * negative number on failure (FDT_ERR_* code) 2350 */ 2351 int fit_conf_get_kernel_node (const void *fit, int noffset) 2352 { 2353 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); 2354 } 2355 2356 /** 2357 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 2358 * a given configuration 2359 * @fit: pointer to the FIT format image header 2360 * @noffset: configuration node offset 2361 * 2362 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 2363 * configuration FIT_KERNEL_PROP property and translates it to the node 2364 * offset. 2365 * 2366 * returns: 2367 * image node offset when found (>=0) 2368 * negative number on failure (FDT_ERR_* code) 2369 */ 2370 int fit_conf_get_ramdisk_node (const void *fit, int noffset) 2371 { 2372 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); 2373 } 2374 2375 /** 2376 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 2377 * a given configuration 2378 * @fit: pointer to the FIT format image header 2379 * @noffset: configuration node offset 2380 * 2381 * fit_conf_get_fdt_node() retrives fdt image node unit name from 2382 * configuration FIT_KERNEL_PROP property and translates it to the node 2383 * offset. 2384 * 2385 * returns: 2386 * image node offset when found (>=0) 2387 * negative number on failure (FDT_ERR_* code) 2388 */ 2389 int fit_conf_get_fdt_node (const void *fit, int noffset) 2390 { 2391 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); 2392 } 2393 2394 /** 2395 * fit_conf_print - prints out the FIT configuration details 2396 * @fit: pointer to the FIT format image header 2397 * @conf_noffset: offset of the configuration node 2398 * @p: pointer to prefix string 2399 * 2400 * fit_conf_print() lists all mandatory properies for the processed 2401 * configuration node. 2402 * 2403 * returns: 2404 * no returned results 2405 */ 2406 void fit_conf_print (const void *fit, int noffset, const char *p) 2407 { 2408 char *desc; 2409 char *uname; 2410 int ret; 2411 2412 /* Mandatory properties */ 2413 ret = fit_get_desc (fit, noffset, &desc); 2414 printf ("%s Description: ", p); 2415 if (ret) 2416 printf ("unavailable\n"); 2417 else 2418 printf ("%s\n", desc); 2419 2420 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); 2421 printf ("%s Kernel: ", p); 2422 if (uname == NULL) 2423 printf ("unavailable\n"); 2424 else 2425 printf ("%s\n", uname); 2426 2427 /* Optional properties */ 2428 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); 2429 if (uname) 2430 printf ("%s Init Ramdisk: %s\n", p, uname); 2431 2432 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); 2433 if (uname) 2434 printf ("%s FDT: %s\n", p, uname); 2435 } 2436 2437 /** 2438 * fit_check_ramdisk - verify FIT format ramdisk subimage 2439 * @fit_hdr: pointer to the FIT ramdisk header 2440 * @rd_noffset: ramdisk subimage node offset within FIT image 2441 * @arch: requested ramdisk image architecture type 2442 * @verify: data CRC verification flag 2443 * 2444 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 2445 * specified FIT image. 2446 * 2447 * returns: 2448 * 1, on success 2449 * 0, on failure 2450 */ 2451 #ifndef USE_HOSTCC 2452 static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) 2453 { 2454 fit_image_print (fit, rd_noffset, " "); 2455 2456 if (verify) { 2457 puts (" Verifying Hash Integrity ... "); 2458 if (!fit_image_check_hashes (fit, rd_noffset)) { 2459 puts ("Bad Data Hash\n"); 2460 show_boot_progress (-125); 2461 return 0; 2462 } 2463 puts ("OK\n"); 2464 } 2465 2466 show_boot_progress (126); 2467 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || 2468 !fit_image_check_arch (fit, rd_noffset, arch) || 2469 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { 2470 printf ("No Linux %s Ramdisk Image\n", 2471 genimg_get_arch_name(arch)); 2472 show_boot_progress (-126); 2473 return 0; 2474 } 2475 2476 show_boot_progress (127); 2477 return 1; 2478 } 2479 #endif /* USE_HOSTCC */ 2480 #endif /* CONFIG_FIT */ 2481