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