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 #if defined(CFG_SDRAM_BASE) 467 return CFG_SDRAM_BASE; 468 #elif defined(CONFIG_ARM) 469 return gd->bd->bi_dram[0].start; 470 #else 471 return 0; 472 #endif 473 } 474 475 ulong getenv_bootm_size(void) 476 { 477 char *s = getenv ("bootm_size"); 478 if (s) { 479 ulong tmp = simple_strtoul (s, NULL, 16); 480 return tmp; 481 } 482 483 #if defined(CONFIG_ARM) 484 return gd->bd->bi_dram[0].size; 485 #else 486 return gd->bd->bi_memsize; 487 #endif 488 } 489 490 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 491 { 492 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 493 while (len > 0) { 494 size_t tail = (len > chunksz) ? chunksz : len; 495 WATCHDOG_RESET (); 496 memmove (to, from, tail); 497 to += tail; 498 from += tail; 499 len -= tail; 500 } 501 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 502 memmove (to, from, len); 503 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 504 } 505 #endif /* !USE_HOSTCC */ 506 507 static void genimg_print_size (uint32_t size) 508 { 509 #ifndef USE_HOSTCC 510 printf ("%d Bytes = ", size); 511 print_size (size, "\n"); 512 #else 513 printf ("%d Bytes = %.2f kB = %.2f MB\n", 514 size, (double)size / 1.024e3, 515 (double)size / 1.048576e6); 516 #endif 517 } 518 519 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 520 static void genimg_print_time (time_t timestamp) 521 { 522 #ifndef USE_HOSTCC 523 struct rtc_time tm; 524 525 to_tm (timestamp, &tm); 526 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 527 tm.tm_year, tm.tm_mon, tm.tm_mday, 528 tm.tm_hour, tm.tm_min, tm.tm_sec); 529 #else 530 printf ("%s", ctime(×tamp)); 531 #endif 532 } 533 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 534 535 /** 536 * get_table_entry_name - translate entry id to long name 537 * @table: pointer to a translation table for entries of a specific type 538 * @msg: message to be returned when translation fails 539 * @id: entry id to be translated 540 * 541 * get_table_entry_name() will go over translation table trying to find 542 * entry that matches given id. If matching entry is found, its long 543 * name is returned to the caller. 544 * 545 * returns: 546 * long entry name if translation succeeds 547 * msg otherwise 548 */ 549 static char *get_table_entry_name (table_entry_t *table, char *msg, int id) 550 { 551 for (; table->id >= 0; ++table) { 552 if (table->id == id) 553 return (table->lname); 554 } 555 return (msg); 556 } 557 558 const char *genimg_get_os_name (uint8_t os) 559 { 560 return (get_table_entry_name (uimage_os, "Unknown OS", os)); 561 } 562 563 const char *genimg_get_arch_name (uint8_t arch) 564 { 565 return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); 566 } 567 568 const char *genimg_get_type_name (uint8_t type) 569 { 570 return (get_table_entry_name (uimage_type, "Unknown Image", type)); 571 } 572 573 const char *genimg_get_comp_name (uint8_t comp) 574 { 575 return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); 576 } 577 578 /** 579 * get_table_entry_id - translate short entry name to id 580 * @table: pointer to a translation table for entries of a specific type 581 * @table_name: to be used in case of error 582 * @name: entry short name to be translated 583 * 584 * get_table_entry_id() will go over translation table trying to find 585 * entry that matches given short name. If matching entry is found, 586 * its id returned to the caller. 587 * 588 * returns: 589 * entry id if translation succeeds 590 * -1 otherwise 591 */ 592 static int get_table_entry_id (table_entry_t *table, 593 const char *table_name, const char *name) 594 { 595 table_entry_t *t; 596 #ifdef USE_HOSTCC 597 int first = 1; 598 599 for (t = table; t->id >= 0; ++t) { 600 if (t->sname && strcasecmp(t->sname, name) == 0) 601 return (t->id); 602 } 603 604 fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); 605 for (t = table; t->id >= 0; ++t) { 606 if (t->sname == NULL) 607 continue; 608 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); 609 first = 0; 610 } 611 fprintf (stderr, "\n"); 612 #else 613 for (t = table; t->id >= 0; ++t) { 614 if (t->sname && strcmp(t->sname, name) == 0) 615 return (t->id); 616 } 617 debug ("Invalid %s Type: %s\n", table_name, name); 618 #endif /* USE_HOSTCC */ 619 return (-1); 620 } 621 622 int genimg_get_os_id (const char *name) 623 { 624 return (get_table_entry_id (uimage_os, "OS", name)); 625 } 626 627 int genimg_get_arch_id (const char *name) 628 { 629 return (get_table_entry_id (uimage_arch, "CPU", name)); 630 } 631 632 int genimg_get_type_id (const char *name) 633 { 634 return (get_table_entry_id (uimage_type, "Image", name)); 635 } 636 637 int genimg_get_comp_id (const char *name) 638 { 639 return (get_table_entry_id (uimage_comp, "Compression", name)); 640 } 641 642 #ifndef USE_HOSTCC 643 /** 644 * genimg_get_format - get image format type 645 * @img_addr: image start address 646 * 647 * genimg_get_format() checks whether provided address points to a valid 648 * legacy or FIT image. 649 * 650 * New uImage format and FDT blob are based on a libfdt. FDT blob 651 * may be passed directly or embedded in a FIT image. In both situations 652 * genimg_get_format() must be able to dectect libfdt header. 653 * 654 * returns: 655 * image format type or IMAGE_FORMAT_INVALID if no image is present 656 */ 657 int genimg_get_format (void *img_addr) 658 { 659 ulong format = IMAGE_FORMAT_INVALID; 660 image_header_t *hdr; 661 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 662 char *fit_hdr; 663 #endif 664 665 hdr = (image_header_t *)img_addr; 666 if (image_check_magic(hdr)) 667 format = IMAGE_FORMAT_LEGACY; 668 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 669 else { 670 fit_hdr = (char *)img_addr; 671 if (fdt_check_header (fit_hdr) == 0) 672 format = IMAGE_FORMAT_FIT; 673 } 674 #endif 675 676 return format; 677 } 678 679 /** 680 * genimg_get_image - get image from special storage (if necessary) 681 * @img_addr: image start address 682 * 683 * genimg_get_image() checks if provided image start adddress is located 684 * in a dataflash storage. If so, image is moved to a system RAM memory. 685 * 686 * returns: 687 * image start address after possible relocation from special storage 688 */ 689 ulong genimg_get_image (ulong img_addr) 690 { 691 ulong ram_addr = img_addr; 692 693 #ifdef CONFIG_HAS_DATAFLASH 694 ulong h_size, d_size; 695 696 if (addr_dataflash (img_addr)){ 697 /* ger RAM address */ 698 ram_addr = CFG_LOAD_ADDR; 699 700 /* get header size */ 701 h_size = image_get_header_size (); 702 #if defined(CONFIG_FIT) 703 if (sizeof(struct fdt_header) > h_size) 704 h_size = sizeof(struct fdt_header); 705 #endif 706 707 /* read in header */ 708 debug (" Reading image header from dataflash address " 709 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 710 711 read_dataflash (img_addr, h_size, (char *)ram_addr); 712 713 /* get data size */ 714 switch (genimg_get_format ((void *)ram_addr)) { 715 case IMAGE_FORMAT_LEGACY: 716 d_size = image_get_data_size ((image_header_t *)ram_addr); 717 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", 718 ram_addr, d_size); 719 break; 720 #if defined(CONFIG_FIT) 721 case IMAGE_FORMAT_FIT: 722 d_size = fit_get_size ((const void *)ram_addr) - h_size; 723 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", 724 ram_addr, d_size); 725 break; 726 #endif 727 default: 728 printf (" No valid image found at 0x%08lx\n", img_addr); 729 return ram_addr; 730 } 731 732 /* read in image data */ 733 debug (" Reading image remaining data from dataflash address " 734 "%08lx to RAM address %08lx\n", img_addr + h_size, 735 ram_addr + h_size); 736 737 read_dataflash (img_addr + h_size, d_size, 738 (char *)(ram_addr + h_size)); 739 740 } 741 #endif /* CONFIG_HAS_DATAFLASH */ 742 743 return ram_addr; 744 } 745 746 /** 747 * fit_has_config - check if there is a valid FIT configuration 748 * @images: pointer to the bootm command headers structure 749 * 750 * fit_has_config() checks if there is a FIT configuration in use 751 * (if FTI support is present). 752 * 753 * returns: 754 * 0, no FIT support or no configuration found 755 * 1, configuration found 756 */ 757 int genimg_has_config (bootm_headers_t *images) 758 { 759 #if defined(CONFIG_FIT) 760 if (images->fit_uname_cfg) 761 return 1; 762 #endif 763 return 0; 764 } 765 766 /** 767 * boot_get_ramdisk - main ramdisk handling routine 768 * @argc: command argument count 769 * @argv: command argument list 770 * @images: pointer to the bootm images structure 771 * @arch: expected ramdisk architecture 772 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 773 * @rd_end: pointer to a ulong variable, will hold ramdisk end 774 * 775 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 776 * Curently supported are the following ramdisk sources: 777 * - multicomponent kernel/ramdisk image, 778 * - commandline provided address of decicated ramdisk image. 779 * 780 * returns: 781 * 0, if ramdisk image was found and valid, or skiped 782 * rd_start and rd_end are set to ramdisk start/end addresses if 783 * ramdisk image is found and valid 784 * 785 * 1, if ramdisk image is found but corrupted 786 * rd_start and rd_end are set to 0 if no ramdisk exists 787 */ 788 int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images, 789 uint8_t arch, ulong *rd_start, ulong *rd_end) 790 { 791 ulong rd_addr, rd_load; 792 ulong rd_data, rd_len; 793 image_header_t *rd_hdr; 794 #if defined(CONFIG_FIT) 795 void *fit_hdr; 796 const char *fit_uname_config = NULL; 797 const char *fit_uname_ramdisk = NULL; 798 ulong default_addr; 799 int rd_noffset; 800 int cfg_noffset; 801 const void *data; 802 size_t size; 803 #endif 804 805 *rd_start = 0; 806 *rd_end = 0; 807 808 /* 809 * Look for a '-' which indicates to ignore the 810 * ramdisk argument 811 */ 812 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 813 debug ("## Skipping init Ramdisk\n"); 814 rd_len = rd_data = 0; 815 } else if (argc >= 3 || genimg_has_config (images)) { 816 #if defined(CONFIG_FIT) 817 if (argc >= 3) { 818 /* 819 * If the init ramdisk comes from the FIT image and 820 * the FIT image address is omitted in the command 821 * line argument, try to use os FIT image address or 822 * default load address. 823 */ 824 if (images->fit_uname_os) 825 default_addr = (ulong)images->fit_hdr_os; 826 else 827 default_addr = load_addr; 828 829 if (fit_parse_conf (argv[2], default_addr, 830 &rd_addr, &fit_uname_config)) { 831 debug ("* ramdisk: config '%s' from image at 0x%08lx\n", 832 fit_uname_config, rd_addr); 833 } else if (fit_parse_subimage (argv[2], default_addr, 834 &rd_addr, &fit_uname_ramdisk)) { 835 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", 836 fit_uname_ramdisk, rd_addr); 837 } else 838 #endif 839 { 840 rd_addr = simple_strtoul(argv[2], NULL, 16); 841 debug ("* ramdisk: cmdline image address = 0x%08lx\n", 842 rd_addr); 843 } 844 #if defined(CONFIG_FIT) 845 } else { 846 /* use FIT configuration provided in first bootm 847 * command argument 848 */ 849 rd_addr = (ulong)images->fit_hdr_os; 850 fit_uname_config = images->fit_uname_cfg; 851 debug ("* ramdisk: using config '%s' from image at 0x%08lx\n", 852 fit_uname_config, rd_addr); 853 854 /* 855 * Check whether configuration has ramdisk defined, 856 * if not, don't try to use it, quit silently. 857 */ 858 fit_hdr = (void *)rd_addr; 859 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 860 if (cfg_noffset < 0) { 861 debug ("* ramdisk: no such config\n"); 862 return 0; 863 } 864 865 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 866 if (rd_noffset < 0) { 867 debug ("* ramdisk: no ramdisk in config\n"); 868 return 0; 869 } 870 } 871 #endif 872 873 /* copy from dataflash if needed */ 874 rd_addr = genimg_get_image (rd_addr); 875 876 /* 877 * Check if there is an initrd image at the 878 * address provided in the second bootm argument 879 * check image type, for FIT images get FIT node. 880 */ 881 switch (genimg_get_format ((void *)rd_addr)) { 882 case IMAGE_FORMAT_LEGACY: 883 printf ("## Loading init Ramdisk from Legacy " 884 "Image at %08lx ...\n", rd_addr); 885 886 show_boot_progress (9); 887 rd_hdr = image_get_ramdisk (rd_addr, arch, 888 images->verify); 889 890 if (rd_hdr == NULL) 891 return 1; 892 893 rd_data = image_get_data (rd_hdr); 894 rd_len = image_get_data_size (rd_hdr); 895 rd_load = image_get_load (rd_hdr); 896 break; 897 #if defined(CONFIG_FIT) 898 case IMAGE_FORMAT_FIT: 899 fit_hdr = (void *)rd_addr; 900 printf ("## Loading init Ramdisk from FIT " 901 "Image at %08lx ...\n", rd_addr); 902 903 show_boot_progress (120); 904 if (!fit_check_format (fit_hdr)) { 905 puts ("Bad FIT ramdisk image format!\n"); 906 show_boot_progress (-120); 907 return 0; 908 } 909 show_boot_progress (121); 910 911 if (!fit_uname_ramdisk) { 912 /* 913 * no ramdisk image node unit name, try to get config 914 * node first. If config unit node name is NULL 915 * fit_conf_get_node() will try to find default config node 916 */ 917 show_boot_progress (122); 918 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 919 if (cfg_noffset < 0) { 920 puts ("Could not find configuration node\n"); 921 show_boot_progress (-122); 922 return 0; 923 } 924 fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL); 925 printf (" Using '%s' configuration\n", fit_uname_config); 926 927 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 928 fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); 929 } else { 930 /* get ramdisk component image node offset */ 931 show_boot_progress (123); 932 rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); 933 } 934 if (rd_noffset < 0) { 935 puts ("Could not find subimage node\n"); 936 show_boot_progress (-124); 937 return 0; 938 } 939 940 printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); 941 942 show_boot_progress (125); 943 if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) 944 return 0; 945 946 /* get ramdisk image data address and length */ 947 if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { 948 puts ("Could not find ramdisk subimage data!\n"); 949 show_boot_progress (-127); 950 return 0; 951 } 952 show_boot_progress (128); 953 954 rd_data = (ulong)data; 955 rd_len = size; 956 957 if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { 958 puts ("Can't get ramdisk subimage load address!\n"); 959 show_boot_progress (-129); 960 return 0; 961 } 962 show_boot_progress (129); 963 964 images->fit_hdr_rd = fit_hdr; 965 images->fit_uname_rd = fit_uname_ramdisk; 966 images->fit_noffset_rd = rd_noffset; 967 break; 968 #endif 969 default: 970 puts ("Wrong Ramdisk Image Format\n"); 971 rd_data = rd_len = rd_load = 0; 972 } 973 974 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 975 /* 976 * We need to copy the ramdisk to SRAM to let Linux boot 977 */ 978 if (rd_data) { 979 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 980 rd_data = rd_load; 981 } 982 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 983 984 } else if (images->legacy_hdr_valid && 985 image_check_type (images->legacy_hdr_os, IH_TYPE_MULTI)) { 986 /* 987 * Now check if we have a legacy mult-component image, 988 * get second entry data start address and len. 989 */ 990 show_boot_progress (13); 991 printf ("## Loading init Ramdisk from multi component " 992 "Legacy Image at %08lx ...\n", 993 (ulong)images->legacy_hdr_os); 994 995 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 996 } else { 997 /* 998 * no initrd image 999 */ 1000 show_boot_progress (14); 1001 rd_len = rd_data = 0; 1002 } 1003 1004 if (!rd_data) { 1005 debug ("## No init Ramdisk\n"); 1006 } else { 1007 *rd_start = rd_data; 1008 *rd_end = rd_data + rd_len; 1009 } 1010 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 1011 *rd_start, *rd_end); 1012 1013 return 0; 1014 } 1015 1016 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) 1017 /** 1018 * boot_ramdisk_high - relocate init ramdisk 1019 * @lmb: pointer to lmb handle, will be used for memory mgmt 1020 * @rd_data: ramdisk data start address 1021 * @rd_len: ramdisk data length 1022 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 1023 * start address (after possible relocation) 1024 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 1025 * end address (after possible relocation) 1026 * 1027 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 1028 * variable and if requested ramdisk data is moved to a specified location. 1029 * 1030 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 1031 * start/end addresses if ramdisk image start and len were provided, 1032 * otherwise set initrd_start and initrd_end set to zeros. 1033 * 1034 * returns: 1035 * 0 - success 1036 * -1 - failure 1037 */ 1038 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 1039 ulong *initrd_start, ulong *initrd_end) 1040 { 1041 char *s; 1042 ulong initrd_high; 1043 int initrd_copy_to_ram = 1; 1044 1045 if ((s = getenv ("initrd_high")) != NULL) { 1046 /* a value of "no" or a similar string will act like 0, 1047 * turning the "load high" feature off. This is intentional. 1048 */ 1049 initrd_high = simple_strtoul (s, NULL, 16); 1050 if (initrd_high == ~0) 1051 initrd_copy_to_ram = 0; 1052 } else { 1053 /* not set, no restrictions to load high */ 1054 initrd_high = ~0; 1055 } 1056 1057 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1058 initrd_high, initrd_copy_to_ram); 1059 1060 if (rd_data) { 1061 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1062 debug (" in-place initrd\n"); 1063 *initrd_start = rd_data; 1064 *initrd_end = rd_data + rd_len; 1065 lmb_reserve(lmb, rd_data, rd_len); 1066 } else { 1067 if (initrd_high) 1068 *initrd_start = lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 1069 else 1070 *initrd_start = lmb_alloc (lmb, rd_len, 0x1000); 1071 1072 if (*initrd_start == 0) { 1073 puts ("ramdisk - allocation error\n"); 1074 goto error; 1075 } 1076 show_boot_progress (12); 1077 1078 *initrd_end = *initrd_start + rd_len; 1079 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 1080 *initrd_start, *initrd_end); 1081 1082 memmove_wd ((void *)*initrd_start, 1083 (void *)rd_data, rd_len, CHUNKSZ); 1084 1085 puts ("OK\n"); 1086 } 1087 } else { 1088 *initrd_start = 0; 1089 *initrd_end = 0; 1090 } 1091 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1092 *initrd_start, *initrd_end); 1093 1094 return 0; 1095 1096 error: 1097 return -1; 1098 } 1099 1100 /** 1101 * boot_get_cmdline - allocate and initialize kernel cmdline 1102 * @lmb: pointer to lmb handle, will be used for memory mgmt 1103 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1104 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1105 * @bootmap_base: ulong variable, holds offset in physical memory to 1106 * base of bootmap 1107 * 1108 * boot_get_cmdline() allocates space for kernel command line below 1109 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 1110 * variable is present its contents is copied to allocated kernel 1111 * command line. 1112 * 1113 * returns: 1114 * 0 - success 1115 * -1 - failure 1116 */ 1117 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 1118 ulong bootmap_base) 1119 { 1120 char *cmdline; 1121 char *s; 1122 1123 cmdline = (char *)lmb_alloc_base(lmb, CFG_BARGSIZE, 0xf, 1124 CFG_BOOTMAPSZ + bootmap_base); 1125 1126 if (cmdline == NULL) 1127 return -1; 1128 1129 if ((s = getenv("bootargs")) == NULL) 1130 s = ""; 1131 1132 strcpy(cmdline, s); 1133 1134 *cmd_start = (ulong) & cmdline[0]; 1135 *cmd_end = *cmd_start + strlen(cmdline); 1136 1137 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1138 1139 return 0; 1140 } 1141 1142 /** 1143 * boot_get_kbd - allocate and initialize kernel copy of board info 1144 * @lmb: pointer to lmb handle, will be used for memory mgmt 1145 * @kbd: double pointer to board info data 1146 * @bootmap_base: ulong variable, holds offset in physical memory to 1147 * base of bootmap 1148 * 1149 * boot_get_kbd() allocates space for kernel copy of board info data below 1150 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1151 * the current u-boot board info data. 1152 * 1153 * returns: 1154 * 0 - success 1155 * -1 - failure 1156 */ 1157 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1158 { 1159 *kbd = (bd_t *)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1160 CFG_BOOTMAPSZ + bootmap_base); 1161 if (*kbd == NULL) 1162 return -1; 1163 1164 **kbd = *(gd->bd); 1165 1166 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1167 1168 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1169 do_bdinfo(NULL, 0, 0, NULL); 1170 #endif 1171 1172 return 0; 1173 } 1174 #endif /* CONFIG_PPC || CONFIG_M68K */ 1175 #endif /* !USE_HOSTCC */ 1176 1177 #if defined(CONFIG_FIT) 1178 /*****************************************************************************/ 1179 /* New uImage format routines */ 1180 /*****************************************************************************/ 1181 #ifndef USE_HOSTCC 1182 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1183 ulong *addr, const char **name) 1184 { 1185 const char *sep; 1186 1187 *addr = addr_curr; 1188 *name = NULL; 1189 1190 sep = strchr (spec, sepc); 1191 if (sep) { 1192 if (sep - spec > 0) 1193 *addr = simple_strtoul (spec, NULL, 16); 1194 1195 *name = sep + 1; 1196 return 1; 1197 } 1198 1199 return 0; 1200 } 1201 1202 /** 1203 * fit_parse_conf - parse FIT configuration spec 1204 * @spec: input string, containing configuration spec 1205 * @add_curr: current image address (to be used as a possible default) 1206 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1207 * configuration 1208 * @conf_name double pointer to a char, will hold pointer to a configuration 1209 * unit name 1210 * 1211 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1212 * where <addr> is a FIT image address that contains configuration 1213 * with a <conf> unit name. 1214 * 1215 * Address part is optional, and if omitted default add_curr will 1216 * be used instead. 1217 * 1218 * returns: 1219 * 1 if spec is a valid configuration string, 1220 * addr and conf_name are set accordingly 1221 * 0 otherwise 1222 */ 1223 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1224 ulong *addr, const char **conf_name) 1225 { 1226 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1227 } 1228 1229 /** 1230 * fit_parse_subimage - parse FIT subimage spec 1231 * @spec: input string, containing subimage spec 1232 * @add_curr: current image address (to be used as a possible default) 1233 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1234 * subimage 1235 * @image_name: double pointer to a char, will hold pointer to a subimage name 1236 * 1237 * fit_parse_subimage() expects subimage spec in the for of 1238 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1239 * subimage with a <subimg> unit name. 1240 * 1241 * Address part is optional, and if omitted default add_curr will 1242 * be used instead. 1243 * 1244 * returns: 1245 * 1 if spec is a valid subimage string, 1246 * addr and image_name are set accordingly 1247 * 0 otherwise 1248 */ 1249 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1250 ulong *addr, const char **image_name) 1251 { 1252 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1253 } 1254 #endif /* !USE_HOSTCC */ 1255 1256 static void fit_get_debug (const void *fit, int noffset, 1257 char *prop_name, int err) 1258 { 1259 debug ("Can't get '%s' property from FIT 0x%08lx, " 1260 "node: offset %d, name %s (%s)\n", 1261 prop_name, (ulong)fit, noffset, 1262 fit_get_name (fit, noffset, NULL), 1263 fdt_strerror (err)); 1264 } 1265 1266 /** 1267 * __fit_print_contents - prints out the contents of the FIT format image 1268 * @fit: pointer to the FIT format image header 1269 * @p: pointer to prefix string 1270 * 1271 * __fit_print_contents() formats a multi line FIT image contents description. 1272 * The routine prints out FIT image properties (root node level) follwed by 1273 * the details of each component image. 1274 * 1275 * returns: 1276 * no returned results 1277 */ 1278 static void __fit_print_contents (const void *fit, const char *p) 1279 { 1280 char *desc; 1281 char *uname; 1282 int images_noffset; 1283 int confs_noffset; 1284 int noffset; 1285 int ndepth; 1286 int count = 0; 1287 int ret; 1288 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1289 time_t timestamp; 1290 #endif 1291 1292 /* Root node properties */ 1293 ret = fit_get_desc (fit, 0, &desc); 1294 printf ("%sFIT description: ", p); 1295 if (ret) 1296 printf ("unavailable\n"); 1297 else 1298 printf ("%s\n", desc); 1299 1300 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1301 ret = fit_get_timestamp (fit, 0, ×tamp); 1302 printf ("%sCreated: ", p); 1303 if (ret) 1304 printf ("unavailable\n"); 1305 else 1306 genimg_print_time (timestamp); 1307 #endif 1308 1309 /* Find images parent node offset */ 1310 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1311 if (images_noffset < 0) { 1312 printf ("Can't find images parent node '%s' (%s)\n", 1313 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1314 return; 1315 } 1316 1317 /* Process its subnodes, print out component images details */ 1318 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1319 (noffset >= 0) && (ndepth > 0); 1320 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1321 if (ndepth == 1) { 1322 /* 1323 * Direct child node of the images parent node, 1324 * i.e. component image node. 1325 */ 1326 printf ("%s Image %u (%s)\n", p, count++, 1327 fit_get_name(fit, noffset, NULL)); 1328 1329 fit_image_print (fit, noffset, p); 1330 } 1331 } 1332 1333 /* Find configurations parent node offset */ 1334 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 1335 if (confs_noffset < 0) { 1336 debug ("Can't get configurations parent node '%s' (%s)\n", 1337 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 1338 return; 1339 } 1340 1341 /* get default configuration unit name from default property */ 1342 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); 1343 if (uname) 1344 printf ("%s Default Configuration: '%s'\n", p, uname); 1345 1346 /* Process its subnodes, print out configurations details */ 1347 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); 1348 (noffset >= 0) && (ndepth > 0); 1349 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1350 if (ndepth == 1) { 1351 /* 1352 * Direct child node of the configurations parent node, 1353 * i.e. configuration node. 1354 */ 1355 printf ("%s Configuration %u (%s)\n", p, count++, 1356 fit_get_name(fit, noffset, NULL)); 1357 1358 fit_conf_print (fit, noffset, p); 1359 } 1360 } 1361 } 1362 1363 inline void fit_print_contents (const void *fit) 1364 { 1365 __fit_print_contents (fit, " "); 1366 } 1367 1368 inline void fit_print_contents_noindent (const void *fit) 1369 { 1370 __fit_print_contents (fit, ""); 1371 } 1372 1373 /** 1374 * fit_image_print - prints out the FIT component image details 1375 * @fit: pointer to the FIT format image header 1376 * @image_noffset: offset of the component image node 1377 * @p: pointer to prefix string 1378 * 1379 * fit_image_print() lists all mandatory properies for the processed component 1380 * image. If present, hash nodes are printed out as well. 1381 * 1382 * returns: 1383 * no returned results 1384 */ 1385 void fit_image_print (const void *fit, int image_noffset, const char *p) 1386 { 1387 char *desc; 1388 uint8_t type, arch, os, comp; 1389 size_t size; 1390 ulong load, entry; 1391 const void *data; 1392 int noffset; 1393 int ndepth; 1394 int ret; 1395 1396 /* Mandatory properties */ 1397 ret = fit_get_desc (fit, image_noffset, &desc); 1398 printf ("%s Description: ", p); 1399 if (ret) 1400 printf ("unavailable\n"); 1401 else 1402 printf ("%s\n", desc); 1403 1404 fit_image_get_type (fit, image_noffset, &type); 1405 printf ("%s Type: %s\n", p, genimg_get_type_name (type)); 1406 1407 fit_image_get_comp (fit, image_noffset, &comp); 1408 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); 1409 1410 ret = fit_image_get_data (fit, image_noffset, &data, &size); 1411 1412 #ifndef USE_HOSTCC 1413 printf ("%s Data Start: ", p); 1414 if (ret) 1415 printf ("unavailable\n"); 1416 else 1417 printf ("0x%08lx\n", (ulong)data); 1418 #endif 1419 1420 printf ("%s Data Size: ", p); 1421 if (ret) 1422 printf ("unavailable\n"); 1423 else 1424 genimg_print_size (size); 1425 1426 /* Remaining, type dependent properties */ 1427 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1428 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 1429 (type == IH_TYPE_FLATDT)) { 1430 fit_image_get_arch (fit, image_noffset, &arch); 1431 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); 1432 } 1433 1434 if (type == IH_TYPE_KERNEL) { 1435 fit_image_get_os (fit, image_noffset, &os); 1436 printf ("%s OS: %s\n", p, genimg_get_os_name (os)); 1437 } 1438 1439 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 1440 ret = fit_image_get_load (fit, image_noffset, &load); 1441 printf ("%s Load Address: ", p); 1442 if (ret) 1443 printf ("unavailable\n"); 1444 else 1445 printf ("0x%08lx\n", load); 1446 1447 fit_image_get_entry (fit, image_noffset, &entry); 1448 printf ("%s Entry Point: ", p); 1449 if (ret) 1450 printf ("unavailable\n"); 1451 else 1452 printf ("0x%08lx\n", entry); 1453 } 1454 1455 /* Process all hash subnodes of the component image node */ 1456 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1457 (noffset >= 0) && (ndepth > 0); 1458 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1459 if (ndepth == 1) { 1460 /* Direct child node of the component image node */ 1461 fit_image_print_hash (fit, noffset, p); 1462 } 1463 } 1464 } 1465 1466 /** 1467 * fit_image_print_hash - prints out the hash node details 1468 * @fit: pointer to the FIT format image header 1469 * @noffset: offset of the hash node 1470 * @p: pointer to prefix string 1471 * 1472 * fit_image_print_hash() lists properies for the processed hash node 1473 * 1474 * returns: 1475 * no returned results 1476 */ 1477 void fit_image_print_hash (const void *fit, int noffset, const char *p) 1478 { 1479 char *algo; 1480 uint8_t *value; 1481 int value_len; 1482 int i, ret; 1483 1484 /* 1485 * Check subnode name, must be equal to "hash". 1486 * Multiple hash nodes require unique unit node 1487 * names, e.g. hash@1, hash@2, etc. 1488 */ 1489 if (strncmp (fit_get_name(fit, noffset, NULL), 1490 FIT_HASH_NODENAME, 1491 strlen(FIT_HASH_NODENAME)) != 0) 1492 return; 1493 1494 debug ("%s Hash node: '%s'\n", p, 1495 fit_get_name (fit, noffset, NULL)); 1496 1497 printf ("%s Hash algo: ", p); 1498 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1499 printf ("invalid/unsupported\n"); 1500 return; 1501 } 1502 printf ("%s\n", algo); 1503 1504 ret = fit_image_hash_get_value (fit, noffset, &value, 1505 &value_len); 1506 printf ("%s Hash value: ", p); 1507 if (ret) { 1508 printf ("unavailable\n"); 1509 } else { 1510 for (i = 0; i < value_len; i++) 1511 printf ("%02x", value[i]); 1512 printf ("\n"); 1513 } 1514 1515 debug ("%s Hash len: %d\n", p, value_len); 1516 } 1517 1518 /** 1519 * fit_get_desc - get node description property 1520 * @fit: pointer to the FIT format image header 1521 * @noffset: node offset 1522 * @desc: double pointer to the char, will hold pointer to the descrption 1523 * 1524 * fit_get_desc() reads description property from a given node, if 1525 * description is found pointer to it is returened in third call argument. 1526 * 1527 * returns: 1528 * 0, on success 1529 * -1, on failure 1530 */ 1531 int fit_get_desc (const void *fit, int noffset, char **desc) 1532 { 1533 int len; 1534 1535 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); 1536 if (*desc == NULL) { 1537 fit_get_debug (fit, noffset, FIT_DESC_PROP, len); 1538 return -1; 1539 } 1540 1541 return 0; 1542 } 1543 1544 /** 1545 * fit_get_timestamp - get node timestamp property 1546 * @fit: pointer to the FIT format image header 1547 * @noffset: node offset 1548 * @timestamp: pointer to the time_t, will hold read timestamp 1549 * 1550 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 1551 * is found and has a correct size its value is retured in third call 1552 * argument. 1553 * 1554 * returns: 1555 * 0, on success 1556 * -1, on property read failure 1557 * -2, on wrong timestamp size 1558 */ 1559 int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) 1560 { 1561 int len; 1562 const void *data; 1563 1564 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); 1565 if (data == NULL) { 1566 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); 1567 return -1; 1568 } 1569 if (len != sizeof (uint32_t)) { 1570 debug ("FIT timestamp with incorrect size of (%u)\n", len); 1571 return -2; 1572 } 1573 1574 *timestamp = uimage_to_cpu (*((uint32_t *)data)); 1575 return 0; 1576 } 1577 1578 /** 1579 * fit_image_get_node - get node offset for component image of a given unit name 1580 * @fit: pointer to the FIT format image header 1581 * @image_uname: component image node unit name 1582 * 1583 * fit_image_get_node() finds a component image (withing the '/images' 1584 * node) of a provided unit name. If image is found its node offset is 1585 * returned to the caller. 1586 * 1587 * returns: 1588 * image node offset when found (>=0) 1589 * negative number on failure (FDT_ERR_* code) 1590 */ 1591 int fit_image_get_node (const void *fit, const char *image_uname) 1592 { 1593 int noffset, images_noffset; 1594 1595 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1596 if (images_noffset < 0) { 1597 debug ("Can't find images parent node '%s' (%s)\n", 1598 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1599 return images_noffset; 1600 } 1601 1602 noffset = fdt_subnode_offset (fit, images_noffset, image_uname); 1603 if (noffset < 0) { 1604 debug ("Can't get node offset for image unit name: '%s' (%s)\n", 1605 image_uname, fdt_strerror (noffset)); 1606 } 1607 1608 return noffset; 1609 } 1610 1611 /** 1612 * fit_image_get_os - get os id for a given component image node 1613 * @fit: pointer to the FIT format image header 1614 * @noffset: component image node offset 1615 * @os: pointer to the uint8_t, will hold os numeric id 1616 * 1617 * fit_image_get_os() finds os property in a given component image node. 1618 * If the property is found, its (string) value is translated to the numeric 1619 * id which is returned to the caller. 1620 * 1621 * returns: 1622 * 0, on success 1623 * -1, on failure 1624 */ 1625 int fit_image_get_os (const void *fit, int noffset, uint8_t *os) 1626 { 1627 int len; 1628 const void *data; 1629 1630 /* Get OS name from property data */ 1631 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); 1632 if (data == NULL) { 1633 fit_get_debug (fit, noffset, FIT_OS_PROP, len); 1634 *os = -1; 1635 return -1; 1636 } 1637 1638 /* Translate OS name to id */ 1639 *os = genimg_get_os_id (data); 1640 return 0; 1641 } 1642 1643 /** 1644 * fit_image_get_arch - get arch id for a given component image node 1645 * @fit: pointer to the FIT format image header 1646 * @noffset: component image node offset 1647 * @arch: pointer to the uint8_t, will hold arch numeric id 1648 * 1649 * fit_image_get_arch() finds arch property in a given component image node. 1650 * If the property is found, its (string) value is translated to the numeric 1651 * id which is returned to the caller. 1652 * 1653 * returns: 1654 * 0, on success 1655 * -1, on failure 1656 */ 1657 int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) 1658 { 1659 int len; 1660 const void *data; 1661 1662 /* Get architecture name from property data */ 1663 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); 1664 if (data == NULL) { 1665 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); 1666 *arch = -1; 1667 return -1; 1668 } 1669 1670 /* Translate architecture name to id */ 1671 *arch = genimg_get_arch_id (data); 1672 return 0; 1673 } 1674 1675 /** 1676 * fit_image_get_type - get type id for a given component image node 1677 * @fit: pointer to the FIT format image header 1678 * @noffset: component image node offset 1679 * @type: pointer to the uint8_t, will hold type numeric id 1680 * 1681 * fit_image_get_type() finds type property in a given component image node. 1682 * If the property is found, its (string) value is translated to the numeric 1683 * id which is returned to the caller. 1684 * 1685 * returns: 1686 * 0, on success 1687 * -1, on failure 1688 */ 1689 int fit_image_get_type (const void *fit, int noffset, uint8_t *type) 1690 { 1691 int len; 1692 const void *data; 1693 1694 /* Get image type name from property data */ 1695 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); 1696 if (data == NULL) { 1697 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); 1698 *type = -1; 1699 return -1; 1700 } 1701 1702 /* Translate image type name to id */ 1703 *type = genimg_get_type_id (data); 1704 return 0; 1705 } 1706 1707 /** 1708 * fit_image_get_comp - get comp id for a given component image node 1709 * @fit: pointer to the FIT format image header 1710 * @noffset: component image node offset 1711 * @comp: pointer to the uint8_t, will hold comp numeric id 1712 * 1713 * fit_image_get_comp() finds comp property in a given component image node. 1714 * If the property is found, its (string) value is translated to the numeric 1715 * id which is returned to the caller. 1716 * 1717 * returns: 1718 * 0, on success 1719 * -1, on failure 1720 */ 1721 int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) 1722 { 1723 int len; 1724 const void *data; 1725 1726 /* Get compression name from property data */ 1727 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); 1728 if (data == NULL) { 1729 fit_get_debug (fit, noffset, FIT_COMP_PROP, len); 1730 *comp = -1; 1731 return -1; 1732 } 1733 1734 /* Translate compression name to id */ 1735 *comp = genimg_get_comp_id (data); 1736 return 0; 1737 } 1738 1739 /** 1740 * fit_image_get_load - get load address property for a given component image node 1741 * @fit: pointer to the FIT format image header 1742 * @noffset: component image node offset 1743 * @load: pointer to the uint32_t, will hold load address 1744 * 1745 * fit_image_get_load() finds load address property in a given component image node. 1746 * If the property is found, its value is returned to the caller. 1747 * 1748 * returns: 1749 * 0, on success 1750 * -1, on failure 1751 */ 1752 int fit_image_get_load (const void *fit, int noffset, ulong *load) 1753 { 1754 int len; 1755 const uint32_t *data; 1756 1757 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); 1758 if (data == NULL) { 1759 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); 1760 return -1; 1761 } 1762 1763 *load = uimage_to_cpu (*data); 1764 return 0; 1765 } 1766 1767 /** 1768 * fit_image_get_entry - get entry point address property for a given component image node 1769 * @fit: pointer to the FIT format image header 1770 * @noffset: component image node offset 1771 * @entry: pointer to the uint32_t, will hold entry point address 1772 * 1773 * fit_image_get_entry() finds entry point address property in a given component image node. 1774 * If the property is found, its value is returned to the caller. 1775 * 1776 * returns: 1777 * 0, on success 1778 * -1, on failure 1779 */ 1780 int fit_image_get_entry (const void *fit, int noffset, ulong *entry) 1781 { 1782 int len; 1783 const uint32_t *data; 1784 1785 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); 1786 if (data == NULL) { 1787 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); 1788 return -1; 1789 } 1790 1791 *entry = uimage_to_cpu (*data); 1792 return 0; 1793 } 1794 1795 /** 1796 * fit_image_get_data - get data property and its size for a given component image node 1797 * @fit: pointer to the FIT format image header 1798 * @noffset: component image node offset 1799 * @data: double pointer to void, will hold data property's data address 1800 * @size: pointer to size_t, will hold data property's data size 1801 * 1802 * fit_image_get_data() finds data property in a given component image node. 1803 * If the property is found its data start address and size are returned to 1804 * the caller. 1805 * 1806 * returns: 1807 * 0, on success 1808 * -1, on failure 1809 */ 1810 int fit_image_get_data (const void *fit, int noffset, 1811 const void **data, size_t *size) 1812 { 1813 int len; 1814 1815 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); 1816 if (*data == NULL) { 1817 fit_get_debug (fit, noffset, FIT_DATA_PROP, len); 1818 *size = 0; 1819 return -1; 1820 } 1821 1822 *size = len; 1823 return 0; 1824 } 1825 1826 /** 1827 * fit_image_hash_get_algo - get hash algorithm name 1828 * @fit: pointer to the FIT format image header 1829 * @noffset: hash node offset 1830 * @algo: double pointer to char, will hold pointer to the algorithm name 1831 * 1832 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 1833 * If the property is found its data start address is returned to the caller. 1834 * 1835 * returns: 1836 * 0, on success 1837 * -1, on failure 1838 */ 1839 int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) 1840 { 1841 int len; 1842 1843 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); 1844 if (*algo == NULL) { 1845 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); 1846 return -1; 1847 } 1848 1849 return 0; 1850 } 1851 1852 /** 1853 * fit_image_hash_get_value - get hash value and length 1854 * @fit: pointer to the FIT format image header 1855 * @noffset: hash node offset 1856 * @value: double pointer to uint8_t, will hold address of a hash value data 1857 * @value_len: pointer to an int, will hold hash data length 1858 * 1859 * fit_image_hash_get_value() finds hash value property in a given hash node. 1860 * If the property is found its data start address and size are returned to 1861 * the caller. 1862 * 1863 * returns: 1864 * 0, on success 1865 * -1, on failure 1866 */ 1867 int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, 1868 int *value_len) 1869 { 1870 int len; 1871 1872 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); 1873 if (*value == NULL) { 1874 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); 1875 *value_len = 0; 1876 return -1; 1877 } 1878 1879 *value_len = len; 1880 return 0; 1881 } 1882 1883 /** 1884 * fit_set_timestamp - set node timestamp property 1885 * @fit: pointer to the FIT format image header 1886 * @noffset: node offset 1887 * @timestamp: timestamp value to be set 1888 * 1889 * fit_set_timestamp() attempts to set timestamp property in the requested 1890 * node and returns operation status to the caller. 1891 * 1892 * returns: 1893 * 0, on success 1894 * -1, on property read failure 1895 */ 1896 int fit_set_timestamp (void *fit, int noffset, time_t timestamp) 1897 { 1898 uint32_t t; 1899 int ret; 1900 1901 t = cpu_to_uimage (timestamp); 1902 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, 1903 sizeof (uint32_t)); 1904 if (ret) { 1905 printf ("Can't set '%s' property for '%s' node (%s)\n", 1906 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), 1907 fdt_strerror (ret)); 1908 return -1; 1909 } 1910 1911 return 0; 1912 } 1913 1914 /** 1915 * calculate_hash - calculate and return hash for provided input data 1916 * @data: pointer to the input data 1917 * @data_len: data length 1918 * @algo: requested hash algorithm 1919 * @value: pointer to the char, will hold hash value data (caller must 1920 * allocate enough free space) 1921 * value_len: length of the calculated hash 1922 * 1923 * calculate_hash() computes input data hash according to the requested algorithm. 1924 * Resulting hash value is placed in caller provided 'value' buffer, length 1925 * of the calculated hash is returned via value_len pointer argument. 1926 * 1927 * returns: 1928 * 0, on success 1929 * -1, when algo is unsupported 1930 */ 1931 static int calculate_hash (const void *data, int data_len, const char *algo, 1932 uint8_t *value, int *value_len) 1933 { 1934 if (strcmp (algo, "crc32") == 0 ) { 1935 *((uint32_t *)value) = crc32 (0, data, data_len); 1936 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); 1937 *value_len = 4; 1938 } else if (strcmp (algo, "sha1") == 0 ) { 1939 sha1_csum ((unsigned char *) data, data_len, 1940 (unsigned char *) value); 1941 *value_len = 20; 1942 } else if (strcmp (algo, "md5") == 0 ) { 1943 printf ("MD5 not supported\n"); 1944 *value_len = 0; 1945 } else { 1946 debug ("Unsupported hash alogrithm\n"); 1947 return -1; 1948 } 1949 return 0; 1950 } 1951 1952 #ifdef USE_HOSTCC 1953 /** 1954 * fit_set_hashes - process FIT component image nodes and calculate hashes 1955 * @fit: pointer to the FIT format image header 1956 * 1957 * fit_set_hashes() adds hash values for all component images in the FIT blob. 1958 * Hashes are calculated for all component images which have hash subnodes 1959 * with algorithm property set to one of the supported hash algorithms. 1960 * 1961 * returns 1962 * 0, on success 1963 * libfdt error code, on failure 1964 */ 1965 int fit_set_hashes (void *fit) 1966 { 1967 int images_noffset; 1968 int noffset; 1969 int ndepth; 1970 int ret; 1971 1972 /* Find images parent node offset */ 1973 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1974 if (images_noffset < 0) { 1975 printf ("Can't find images parent node '%s' (%s)\n", 1976 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1977 return images_noffset; 1978 } 1979 1980 /* Process its subnodes, print out component images details */ 1981 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1982 (noffset >= 0) && (ndepth > 0); 1983 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1984 if (ndepth == 1) { 1985 /* 1986 * Direct child node of the images parent node, 1987 * i.e. component image node. 1988 */ 1989 ret = fit_image_set_hashes (fit, noffset); 1990 if (ret) 1991 return ret; 1992 } 1993 } 1994 1995 return 0; 1996 } 1997 1998 /** 1999 * fit_image_set_hashes - calculate/set hashes for given component image node 2000 * @fit: pointer to the FIT format image header 2001 * @image_noffset: requested component image node 2002 * 2003 * fit_image_set_hashes() adds hash values for an component image node. All 2004 * existing hash subnodes are checked, if algorithm property is set to one of 2005 * the supported hash algorithms, hash value is computed and corresponding 2006 * hash node property is set, for example: 2007 * 2008 * Input component image node structure: 2009 * 2010 * o image@1 (at image_noffset) 2011 * | - data = [binary data] 2012 * o hash@1 2013 * |- algo = "sha1" 2014 * 2015 * Output component image node structure: 2016 * 2017 * o image@1 (at image_noffset) 2018 * | - data = [binary data] 2019 * o hash@1 2020 * |- algo = "sha1" 2021 * |- value = sha1(data) 2022 * 2023 * returns: 2024 * 0 on sucess 2025 * <0 on failure 2026 */ 2027 int fit_image_set_hashes (void *fit, int image_noffset) 2028 { 2029 const void *data; 2030 size_t size; 2031 char *algo; 2032 uint8_t value[FIT_MAX_HASH_LEN]; 2033 int value_len; 2034 int noffset; 2035 int ndepth; 2036 2037 /* Get image data and data length */ 2038 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2039 printf ("Can't get image data/size\n"); 2040 return -1; 2041 } 2042 2043 /* Process all hash subnodes of the component image node */ 2044 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2045 (noffset >= 0) && (ndepth > 0); 2046 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2047 if (ndepth == 1) { 2048 /* Direct child node of the component image node */ 2049 2050 /* 2051 * Check subnode name, must be equal to "hash". 2052 * Multiple hash nodes require unique unit node 2053 * names, e.g. hash@1, hash@2, etc. 2054 */ 2055 if (strncmp (fit_get_name(fit, noffset, NULL), 2056 FIT_HASH_NODENAME, 2057 strlen(FIT_HASH_NODENAME)) != 0) { 2058 /* Not a hash subnode, skip it */ 2059 continue; 2060 } 2061 2062 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2063 printf ("Can't get hash algo property for " 2064 "'%s' hash node in '%s' image node\n", 2065 fit_get_name (fit, noffset, NULL), 2066 fit_get_name (fit, image_noffset, NULL)); 2067 return -1; 2068 } 2069 2070 if (calculate_hash (data, size, algo, value, &value_len)) { 2071 printf ("Unsupported hash algorithm (%s) for " 2072 "'%s' hash node in '%s' image node\n", 2073 algo, fit_get_name (fit, noffset, NULL), 2074 fit_get_name (fit, image_noffset, NULL)); 2075 return -1; 2076 } 2077 2078 if (fit_image_hash_set_value (fit, noffset, value, 2079 value_len)) { 2080 printf ("Can't set hash value for " 2081 "'%s' hash node in '%s' image node\n", 2082 fit_get_name (fit, noffset, NULL), 2083 fit_get_name (fit, image_noffset, NULL)); 2084 return -1; 2085 } 2086 } 2087 } 2088 2089 return 0; 2090 } 2091 2092 /** 2093 * fit_image_hash_set_value - set hash value in requested has node 2094 * @fit: pointer to the FIT format image header 2095 * @noffset: hash node offset 2096 * @value: hash value to be set 2097 * @value_len: hash value length 2098 * 2099 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2100 * given and returns operation status to the caller. 2101 * 2102 * returns 2103 * 0, on success 2104 * -1, on failure 2105 */ 2106 int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, 2107 int value_len) 2108 { 2109 int ret; 2110 2111 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); 2112 if (ret) { 2113 printf ("Can't set hash '%s' property for '%s' node (%s)\n", 2114 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), 2115 fdt_strerror (ret)); 2116 return -1; 2117 } 2118 2119 return 0; 2120 } 2121 #endif /* USE_HOSTCC */ 2122 2123 /** 2124 * fit_image_check_hashes - verify data intergity 2125 * @fit: pointer to the FIT format image header 2126 * @image_noffset: component image node offset 2127 * 2128 * fit_image_check_hashes() goes over component image hash nodes, 2129 * re-calculates each data hash and compares with the value stored in hash 2130 * node. 2131 * 2132 * returns: 2133 * 1, if all hashes are valid 2134 * 0, otherwise (or on error) 2135 */ 2136 int fit_image_check_hashes (const void *fit, int image_noffset) 2137 { 2138 const void *data; 2139 size_t size; 2140 char *algo; 2141 uint8_t *fit_value; 2142 int fit_value_len; 2143 uint8_t value[FIT_MAX_HASH_LEN]; 2144 int value_len; 2145 int noffset; 2146 int ndepth; 2147 char *err_msg = ""; 2148 2149 /* Get image data and data length */ 2150 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2151 printf ("Can't get image data/size\n"); 2152 return 0; 2153 } 2154 2155 /* Process all hash subnodes of the component image node */ 2156 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2157 (noffset >= 0) && (ndepth > 0); 2158 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2159 if (ndepth == 1) { 2160 /* Direct child node of the component image node */ 2161 2162 /* 2163 * Check subnode name, must be equal to "hash". 2164 * Multiple hash nodes require unique unit node 2165 * names, e.g. hash@1, hash@2, etc. 2166 */ 2167 if (strncmp (fit_get_name(fit, noffset, NULL), 2168 FIT_HASH_NODENAME, 2169 strlen(FIT_HASH_NODENAME)) != 0) 2170 continue; 2171 2172 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2173 err_msg = "Can't get hash algo property"; 2174 goto error; 2175 } 2176 printf ("%s", algo); 2177 2178 if (fit_image_hash_get_value (fit, noffset, &fit_value, 2179 &fit_value_len)) { 2180 err_msg = "Can't get hash value property"; 2181 goto error; 2182 } 2183 2184 if (calculate_hash (data, size, algo, value, &value_len)) { 2185 err_msg = "Unsupported hash algorithm"; 2186 goto error; 2187 } 2188 2189 if (value_len != fit_value_len) { 2190 err_msg = "Bad hash value len"; 2191 goto error; 2192 } else if (memcmp (value, fit_value, value_len) != 0) { 2193 err_msg = "Bad hash value"; 2194 goto error; 2195 } 2196 printf ("+ "); 2197 } 2198 } 2199 2200 return 1; 2201 2202 error: 2203 printf ("%s for '%s' hash node in '%s' image node\n", 2204 err_msg, fit_get_name (fit, noffset, NULL), 2205 fit_get_name (fit, image_noffset, NULL)); 2206 return 0; 2207 } 2208 2209 /** 2210 * fit_image_check_os - check whether image node is of a given os type 2211 * @fit: pointer to the FIT format image header 2212 * @noffset: component image node offset 2213 * @os: requested image os 2214 * 2215 * fit_image_check_os() reads image os property and compares its numeric 2216 * id with the requested os. Comparison result is returned to the caller. 2217 * 2218 * returns: 2219 * 1 if image is of given os type 2220 * 0 otherwise (or on error) 2221 */ 2222 int fit_image_check_os (const void *fit, int noffset, uint8_t os) 2223 { 2224 uint8_t image_os; 2225 2226 if (fit_image_get_os (fit, noffset, &image_os)) 2227 return 0; 2228 return (os == image_os); 2229 } 2230 2231 /** 2232 * fit_image_check_arch - check whether image node is of a given arch 2233 * @fit: pointer to the FIT format image header 2234 * @noffset: component image node offset 2235 * @arch: requested imagearch 2236 * 2237 * fit_image_check_arch() reads image arch property and compares its numeric 2238 * id with the requested arch. Comparison result is returned to the caller. 2239 * 2240 * returns: 2241 * 1 if image is of given arch 2242 * 0 otherwise (or on error) 2243 */ 2244 int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) 2245 { 2246 uint8_t image_arch; 2247 2248 if (fit_image_get_arch (fit, noffset, &image_arch)) 2249 return 0; 2250 return (arch == image_arch); 2251 } 2252 2253 /** 2254 * fit_image_check_type - check whether image node is of a given type 2255 * @fit: pointer to the FIT format image header 2256 * @noffset: component image node offset 2257 * @type: requested image type 2258 * 2259 * fit_image_check_type() reads image type property and compares its numeric 2260 * id with the requested type. Comparison result is returned to the caller. 2261 * 2262 * returns: 2263 * 1 if image is of given type 2264 * 0 otherwise (or on error) 2265 */ 2266 int fit_image_check_type (const void *fit, int noffset, uint8_t type) 2267 { 2268 uint8_t image_type; 2269 2270 if (fit_image_get_type (fit, noffset, &image_type)) 2271 return 0; 2272 return (type == image_type); 2273 } 2274 2275 /** 2276 * fit_image_check_comp - check whether image node uses given compression 2277 * @fit: pointer to the FIT format image header 2278 * @noffset: component image node offset 2279 * @comp: requested image compression type 2280 * 2281 * fit_image_check_comp() reads image compression property and compares its 2282 * numeric id with the requested compression type. Comparison result is 2283 * returned to the caller. 2284 * 2285 * returns: 2286 * 1 if image uses requested compression 2287 * 0 otherwise (or on error) 2288 */ 2289 int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) 2290 { 2291 uint8_t image_comp; 2292 2293 if (fit_image_get_comp (fit, noffset, &image_comp)) 2294 return 0; 2295 return (comp == image_comp); 2296 } 2297 2298 /** 2299 * fit_check_format - sanity check FIT image format 2300 * @fit: pointer to the FIT format image header 2301 * 2302 * fit_check_format() runs a basic sanity FIT image verification. 2303 * Routine checks for mandatory properties, nodes, etc. 2304 * 2305 * returns: 2306 * 1, on success 2307 * 0, on failure 2308 */ 2309 int fit_check_format (const void *fit) 2310 { 2311 /* mandatory / node 'description' property */ 2312 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2313 debug ("Wrong FIT format: no description\n"); 2314 return 0; 2315 } 2316 2317 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2318 /* mandatory / node 'timestamp' property */ 2319 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2320 debug ("Wrong FIT format: no description\n"); 2321 return 0; 2322 } 2323 #endif 2324 2325 /* mandatory subimages parent '/images' node */ 2326 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { 2327 debug ("Wrong FIT format: no images parent node\n"); 2328 return 0; 2329 } 2330 2331 return 1; 2332 } 2333 2334 /** 2335 * fit_conf_get_node - get node offset for configuration of a given unit name 2336 * @fit: pointer to the FIT format image header 2337 * @conf_uname: configuration node unit name 2338 * 2339 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2340 * parant node) of a provided unit name. If configuration is found its node offset 2341 * is returned to the caller. 2342 * 2343 * When NULL is provided in second argument fit_conf_get_node() will search 2344 * for a default configuration node instead. Default configuration node unit name 2345 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2346 * 2347 * returns: 2348 * configuration node offset when found (>=0) 2349 * negative number on failure (FDT_ERR_* code) 2350 */ 2351 int fit_conf_get_node (const void *fit, const char *conf_uname) 2352 { 2353 int noffset, confs_noffset; 2354 int len; 2355 2356 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 2357 if (confs_noffset < 0) { 2358 debug ("Can't find configurations parent node '%s' (%s)\n", 2359 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 2360 return confs_noffset; 2361 } 2362 2363 if (conf_uname == NULL) { 2364 /* get configuration unit name from the default property */ 2365 debug ("No configuration specified, trying default...\n"); 2366 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); 2367 if (conf_uname == NULL) { 2368 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); 2369 return len; 2370 } 2371 debug ("Found default configuration: '%s'\n", conf_uname); 2372 } 2373 2374 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); 2375 if (noffset < 0) { 2376 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", 2377 conf_uname, fdt_strerror (noffset)); 2378 } 2379 2380 return noffset; 2381 } 2382 2383 static int __fit_conf_get_prop_node (const void *fit, int noffset, 2384 const char *prop_name) 2385 { 2386 char *uname; 2387 int len; 2388 2389 /* get kernel image unit name from configuration kernel property */ 2390 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); 2391 if (uname == NULL) 2392 return len; 2393 2394 return fit_image_get_node (fit, uname); 2395 } 2396 2397 /** 2398 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 2399 * a given configuration 2400 * @fit: pointer to the FIT format image header 2401 * @noffset: configuration node offset 2402 * 2403 * fit_conf_get_kernel_node() retrives kernel image node unit name from 2404 * configuration FIT_KERNEL_PROP property and translates it to the node 2405 * offset. 2406 * 2407 * returns: 2408 * image node offset when found (>=0) 2409 * negative number on failure (FDT_ERR_* code) 2410 */ 2411 int fit_conf_get_kernel_node (const void *fit, int noffset) 2412 { 2413 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); 2414 } 2415 2416 /** 2417 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 2418 * a given configuration 2419 * @fit: pointer to the FIT format image header 2420 * @noffset: configuration node offset 2421 * 2422 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 2423 * configuration FIT_KERNEL_PROP property and translates it to the node 2424 * offset. 2425 * 2426 * returns: 2427 * image node offset when found (>=0) 2428 * negative number on failure (FDT_ERR_* code) 2429 */ 2430 int fit_conf_get_ramdisk_node (const void *fit, int noffset) 2431 { 2432 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); 2433 } 2434 2435 /** 2436 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 2437 * a given configuration 2438 * @fit: pointer to the FIT format image header 2439 * @noffset: configuration node offset 2440 * 2441 * fit_conf_get_fdt_node() retrives fdt image node unit name from 2442 * configuration FIT_KERNEL_PROP property and translates it to the node 2443 * offset. 2444 * 2445 * returns: 2446 * image node offset when found (>=0) 2447 * negative number on failure (FDT_ERR_* code) 2448 */ 2449 int fit_conf_get_fdt_node (const void *fit, int noffset) 2450 { 2451 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); 2452 } 2453 2454 /** 2455 * fit_conf_print - prints out the FIT configuration details 2456 * @fit: pointer to the FIT format image header 2457 * @noffset: offset of the configuration node 2458 * @p: pointer to prefix string 2459 * 2460 * fit_conf_print() lists all mandatory properies for the processed 2461 * configuration node. 2462 * 2463 * returns: 2464 * no returned results 2465 */ 2466 void fit_conf_print (const void *fit, int noffset, const char *p) 2467 { 2468 char *desc; 2469 char *uname; 2470 int ret; 2471 2472 /* Mandatory properties */ 2473 ret = fit_get_desc (fit, noffset, &desc); 2474 printf ("%s Description: ", p); 2475 if (ret) 2476 printf ("unavailable\n"); 2477 else 2478 printf ("%s\n", desc); 2479 2480 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); 2481 printf ("%s Kernel: ", p); 2482 if (uname == NULL) 2483 printf ("unavailable\n"); 2484 else 2485 printf ("%s\n", uname); 2486 2487 /* Optional properties */ 2488 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); 2489 if (uname) 2490 printf ("%s Init Ramdisk: %s\n", p, uname); 2491 2492 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); 2493 if (uname) 2494 printf ("%s FDT: %s\n", p, uname); 2495 } 2496 2497 /** 2498 * fit_check_ramdisk - verify FIT format ramdisk subimage 2499 * @fit_hdr: pointer to the FIT ramdisk header 2500 * @rd_noffset: ramdisk subimage node offset within FIT image 2501 * @arch: requested ramdisk image architecture type 2502 * @verify: data CRC verification flag 2503 * 2504 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 2505 * specified FIT image. 2506 * 2507 * returns: 2508 * 1, on success 2509 * 0, on failure 2510 */ 2511 #ifndef USE_HOSTCC 2512 static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) 2513 { 2514 fit_image_print (fit, rd_noffset, " "); 2515 2516 if (verify) { 2517 puts (" Verifying Hash Integrity ... "); 2518 if (!fit_image_check_hashes (fit, rd_noffset)) { 2519 puts ("Bad Data Hash\n"); 2520 show_boot_progress (-125); 2521 return 0; 2522 } 2523 puts ("OK\n"); 2524 } 2525 2526 show_boot_progress (126); 2527 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || 2528 !fit_image_check_arch (fit, rd_noffset, arch) || 2529 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { 2530 printf ("No Linux %s Ramdisk Image\n", 2531 genimg_get_arch_name(arch)); 2532 show_boot_progress (-126); 2533 return 0; 2534 } 2535 2536 show_boot_progress (127); 2537 return 1; 2538 } 2539 #endif /* USE_HOSTCC */ 2540 #endif /* CONFIG_FIT */ 2541