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 #ifndef USE_HOSTCC 27 #include <common.h> 28 #include <watchdog.h> 29 30 #ifdef CONFIG_SHOW_BOOT_PROGRESS 31 #include <status_led.h> 32 #endif 33 34 #ifdef CONFIG_HAS_DATAFLASH 35 #include <dataflash.h> 36 #endif 37 38 #ifdef CONFIG_LOGBUFFER 39 #include <logbuff.h> 40 #endif 41 42 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) 43 #include <rtc.h> 44 #endif 45 46 #include <image.h> 47 48 #if defined(CONFIG_FIT) || defined (CONFIG_OF_LIBFDT) 49 #include <fdt.h> 50 #include <libfdt.h> 51 #include <fdt_support.h> 52 #endif 53 54 #if defined(CONFIG_FIT) 55 #include <u-boot/md5.h> 56 #include <sha1.h> 57 58 static int fit_check_ramdisk (const void *fit, int os_noffset, 59 uint8_t arch, int verify); 60 #endif 61 62 #ifdef CONFIG_CMD_BDI 63 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 64 #endif 65 66 DECLARE_GLOBAL_DATA_PTR; 67 68 static const image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, 69 int verify); 70 #else 71 #include "mkimage.h" 72 #include <u-boot/md5.h> 73 #include <time.h> 74 #include <image.h> 75 #endif /* !USE_HOSTCC*/ 76 77 static table_entry_t uimage_arch[] = { 78 { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, 79 { IH_ARCH_ALPHA, "alpha", "Alpha", }, 80 { IH_ARCH_ARM, "arm", "ARM", }, 81 { IH_ARCH_I386, "x86", "Intel x86", }, 82 { IH_ARCH_IA64, "ia64", "IA64", }, 83 { IH_ARCH_M68K, "m68k", "M68K", }, 84 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, 85 { IH_ARCH_MIPS, "mips", "MIPS", }, 86 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, 87 { IH_ARCH_NIOS2, "nios2", "NIOS II", }, 88 { IH_ARCH_PPC, "powerpc", "PowerPC", }, 89 { IH_ARCH_PPC, "ppc", "PowerPC", }, 90 { IH_ARCH_S390, "s390", "IBM S390", }, 91 { IH_ARCH_SH, "sh", "SuperH", }, 92 { IH_ARCH_SPARC, "sparc", "SPARC", }, 93 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, 94 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, 95 { IH_ARCH_AVR32, "avr32", "AVR32", }, 96 { -1, "", "", }, 97 }; 98 99 static table_entry_t uimage_os[] = { 100 { IH_OS_INVALID, NULL, "Invalid OS", }, 101 { IH_OS_LINUX, "linux", "Linux", }, 102 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 103 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 104 #endif 105 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 106 { IH_OS_RTEMS, "rtems", "RTEMS", }, 107 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 108 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 109 { IH_OS_QNX, "qnx", "QNX", }, 110 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 111 #endif 112 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC) 113 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", }, 114 #endif 115 #ifdef USE_HOSTCC 116 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 117 { IH_OS_DELL, "dell", "Dell", }, 118 { IH_OS_ESIX, "esix", "Esix", }, 119 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 120 { IH_OS_IRIX, "irix", "Irix", }, 121 { IH_OS_NCR, "ncr", "NCR", }, 122 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 123 { IH_OS_PSOS, "psos", "pSOS", }, 124 { IH_OS_SCO, "sco", "SCO", }, 125 { IH_OS_SOLARIS, "solaris", "Solaris", }, 126 { IH_OS_SVR4, "svr4", "SVR4", }, 127 #endif 128 { -1, "", "", }, 129 }; 130 131 static table_entry_t uimage_type[] = { 132 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 133 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 134 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 135 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 136 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 137 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 138 { IH_TYPE_SCRIPT, "script", "Script", }, 139 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 140 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 141 { IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",}, 142 { IH_TYPE_IMXIMAGE, "imximage", "Freescale i.MX Boot Image",}, 143 { -1, "", "", }, 144 }; 145 146 static table_entry_t uimage_comp[] = { 147 { IH_COMP_NONE, "none", "uncompressed", }, 148 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 149 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 150 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 151 { IH_COMP_LZO, "lzo", "lzo compressed", }, 152 { -1, "", "", }, 153 }; 154 155 uint32_t crc32 (uint32_t, const unsigned char *, uint); 156 uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint); 157 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 158 static void genimg_print_time (time_t timestamp); 159 #endif 160 161 /*****************************************************************************/ 162 /* Legacy format routines */ 163 /*****************************************************************************/ 164 int image_check_hcrc (const image_header_t *hdr) 165 { 166 ulong hcrc; 167 ulong len = image_get_header_size (); 168 image_header_t header; 169 170 /* Copy header so we can blank CRC field for re-calculation */ 171 memmove (&header, (char *)hdr, image_get_header_size ()); 172 image_set_hcrc (&header, 0); 173 174 hcrc = crc32 (0, (unsigned char *)&header, len); 175 176 return (hcrc == image_get_hcrc (hdr)); 177 } 178 179 int image_check_dcrc (const image_header_t *hdr) 180 { 181 ulong data = image_get_data (hdr); 182 ulong len = image_get_data_size (hdr); 183 ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32); 184 185 return (dcrc == image_get_dcrc (hdr)); 186 } 187 188 /** 189 * image_multi_count - get component (sub-image) count 190 * @hdr: pointer to the header of the multi component image 191 * 192 * image_multi_count() returns number of components in a multi 193 * component image. 194 * 195 * Note: no checking of the image type is done, caller must pass 196 * a valid multi component image. 197 * 198 * returns: 199 * number of components 200 */ 201 ulong image_multi_count (const image_header_t *hdr) 202 { 203 ulong i, count = 0; 204 uint32_t *size; 205 206 /* get start of the image payload, which in case of multi 207 * component images that points to a table of component sizes */ 208 size = (uint32_t *)image_get_data (hdr); 209 210 /* count non empty slots */ 211 for (i = 0; size[i]; ++i) 212 count++; 213 214 return count; 215 } 216 217 /** 218 * image_multi_getimg - get component data address and size 219 * @hdr: pointer to the header of the multi component image 220 * @idx: index of the requested component 221 * @data: pointer to a ulong variable, will hold component data address 222 * @len: pointer to a ulong variable, will hold component size 223 * 224 * image_multi_getimg() returns size and data address for the requested 225 * component in a multi component image. 226 * 227 * Note: no checking of the image type is done, caller must pass 228 * a valid multi component image. 229 * 230 * returns: 231 * data address and size of the component, if idx is valid 232 * 0 in data and len, if idx is out of range 233 */ 234 void image_multi_getimg (const image_header_t *hdr, ulong idx, 235 ulong *data, ulong *len) 236 { 237 int i; 238 uint32_t *size; 239 ulong offset, count, img_data; 240 241 /* get number of component */ 242 count = image_multi_count (hdr); 243 244 /* get start of the image payload, which in case of multi 245 * component images that points to a table of component sizes */ 246 size = (uint32_t *)image_get_data (hdr); 247 248 /* get address of the proper component data start, which means 249 * skipping sizes table (add 1 for last, null entry) */ 250 img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t); 251 252 if (idx < count) { 253 *len = uimage_to_cpu (size[idx]); 254 offset = 0; 255 256 /* go over all indices preceding requested component idx */ 257 for (i = 0; i < idx; i++) { 258 /* add up i-th component size, rounding up to 4 bytes */ 259 offset += (uimage_to_cpu (size[i]) + 3) & ~3 ; 260 } 261 262 /* calculate idx-th component data address */ 263 *data = img_data + offset; 264 } else { 265 *len = 0; 266 *data = 0; 267 } 268 } 269 270 static void image_print_type (const image_header_t *hdr) 271 { 272 const char *os, *arch, *type, *comp; 273 274 os = genimg_get_os_name (image_get_os (hdr)); 275 arch = genimg_get_arch_name (image_get_arch (hdr)); 276 type = genimg_get_type_name (image_get_type (hdr)); 277 comp = genimg_get_comp_name (image_get_comp (hdr)); 278 279 printf ("%s %s %s (%s)\n", arch, os, type, comp); 280 } 281 282 /** 283 * image_print_contents - prints out the contents of the legacy format image 284 * @ptr: pointer to the legacy format image header 285 * @p: pointer to prefix string 286 * 287 * image_print_contents() formats a multi line legacy image contents description. 288 * The routine prints out all header fields followed by the size/offset data 289 * for MULTI/SCRIPT images. 290 * 291 * returns: 292 * no returned results 293 */ 294 void image_print_contents (const void *ptr) 295 { 296 const image_header_t *hdr = (const image_header_t *)ptr; 297 const char *p; 298 299 #ifdef USE_HOSTCC 300 p = ""; 301 #else 302 p = " "; 303 #endif 304 305 printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); 306 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 307 printf ("%sCreated: ", p); 308 genimg_print_time ((time_t)image_get_time (hdr)); 309 #endif 310 printf ("%sImage Type: ", p); 311 image_print_type (hdr); 312 printf ("%sData Size: ", p); 313 genimg_print_size (image_get_data_size (hdr)); 314 printf ("%sLoad Address: %08x\n", p, image_get_load (hdr)); 315 printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr)); 316 317 if (image_check_type (hdr, IH_TYPE_MULTI) || 318 image_check_type (hdr, IH_TYPE_SCRIPT)) { 319 int i; 320 ulong data, len; 321 ulong count = image_multi_count (hdr); 322 323 printf ("%sContents:\n", p); 324 for (i = 0; i < count; i++) { 325 image_multi_getimg (hdr, i, &data, &len); 326 327 printf ("%s Image %d: ", p, i); 328 genimg_print_size (len); 329 330 if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { 331 /* 332 * the user may need to know offsets 333 * if planning to do something with 334 * multiple files 335 */ 336 printf ("%s Offset = 0x%08lx\n", p, data); 337 } 338 } 339 } 340 } 341 342 343 #ifndef USE_HOSTCC 344 /** 345 * image_get_ramdisk - get and verify ramdisk image 346 * @rd_addr: ramdisk image start address 347 * @arch: expected ramdisk architecture 348 * @verify: checksum verification flag 349 * 350 * image_get_ramdisk() returns a pointer to the verified ramdisk image 351 * header. Routine receives image start address and expected architecture 352 * flag. Verification done covers data and header integrity and os/type/arch 353 * fields checking. 354 * 355 * If dataflash support is enabled routine checks for dataflash addresses 356 * and handles required dataflash reads. 357 * 358 * returns: 359 * pointer to a ramdisk image header, if image was found and valid 360 * otherwise, return NULL 361 */ 362 static const image_header_t *image_get_ramdisk (ulong rd_addr, uint8_t arch, 363 int verify) 364 { 365 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 366 367 if (!image_check_magic (rd_hdr)) { 368 puts ("Bad Magic Number\n"); 369 show_boot_progress (-10); 370 return NULL; 371 } 372 373 if (!image_check_hcrc (rd_hdr)) { 374 puts ("Bad Header Checksum\n"); 375 show_boot_progress (-11); 376 return NULL; 377 } 378 379 show_boot_progress (10); 380 image_print_contents (rd_hdr); 381 382 if (verify) { 383 puts(" Verifying Checksum ... "); 384 if (!image_check_dcrc (rd_hdr)) { 385 puts ("Bad Data CRC\n"); 386 show_boot_progress (-12); 387 return NULL; 388 } 389 puts("OK\n"); 390 } 391 392 show_boot_progress (11); 393 394 if (!image_check_os (rd_hdr, IH_OS_LINUX) || 395 !image_check_arch (rd_hdr, arch) || 396 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { 397 printf ("No Linux %s Ramdisk Image\n", 398 genimg_get_arch_name(arch)); 399 show_boot_progress (-13); 400 return NULL; 401 } 402 403 return rd_hdr; 404 } 405 #endif /* !USE_HOSTCC */ 406 407 /*****************************************************************************/ 408 /* Shared dual-format routines */ 409 /*****************************************************************************/ 410 #ifndef USE_HOSTCC 411 int getenv_yesno (char *var) 412 { 413 char *s = getenv (var); 414 return (s && (*s == 'n')) ? 0 : 1; 415 } 416 417 ulong getenv_bootm_low(void) 418 { 419 char *s = getenv ("bootm_low"); 420 if (s) { 421 ulong tmp = simple_strtoul (s, NULL, 16); 422 return tmp; 423 } 424 425 #if defined(CONFIG_SYS_SDRAM_BASE) 426 return CONFIG_SYS_SDRAM_BASE; 427 #elif defined(CONFIG_ARM) 428 return gd->bd->bi_dram[0].start; 429 #else 430 return 0; 431 #endif 432 } 433 434 phys_size_t getenv_bootm_size(void) 435 { 436 phys_size_t tmp; 437 char *s = getenv ("bootm_size"); 438 if (s) { 439 tmp = (phys_size_t)simple_strtoull (s, NULL, 16); 440 return tmp; 441 } 442 s = getenv("bootm_low"); 443 if (s) 444 tmp = (phys_size_t)simple_strtoull (s, NULL, 16); 445 else 446 tmp = 0; 447 448 449 #if defined(CONFIG_ARM) 450 return gd->bd->bi_dram[0].size - tmp; 451 #else 452 return gd->bd->bi_memsize - tmp; 453 #endif 454 } 455 456 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 457 { 458 if (to == from) 459 return; 460 461 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 462 while (len > 0) { 463 size_t tail = (len > chunksz) ? chunksz : len; 464 WATCHDOG_RESET (); 465 memmove (to, from, tail); 466 to += tail; 467 from += tail; 468 len -= tail; 469 } 470 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 471 memmove (to, from, len); 472 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 473 } 474 #endif /* !USE_HOSTCC */ 475 476 void genimg_print_size (uint32_t size) 477 { 478 #ifndef USE_HOSTCC 479 printf ("%d Bytes = ", size); 480 print_size (size, "\n"); 481 #else 482 printf ("%d Bytes = %.2f kB = %.2f MB\n", 483 size, (double)size / 1.024e3, 484 (double)size / 1.048576e6); 485 #endif 486 } 487 488 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 489 static void genimg_print_time (time_t timestamp) 490 { 491 #ifndef USE_HOSTCC 492 struct rtc_time tm; 493 494 to_tm (timestamp, &tm); 495 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 496 tm.tm_year, tm.tm_mon, tm.tm_mday, 497 tm.tm_hour, tm.tm_min, tm.tm_sec); 498 #else 499 printf ("%s", ctime(×tamp)); 500 #endif 501 } 502 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 503 504 /** 505 * get_table_entry_name - translate entry id to long name 506 * @table: pointer to a translation table for entries of a specific type 507 * @msg: message to be returned when translation fails 508 * @id: entry id to be translated 509 * 510 * get_table_entry_name() will go over translation table trying to find 511 * entry that matches given id. If matching entry is found, its long 512 * name is returned to the caller. 513 * 514 * returns: 515 * long entry name if translation succeeds 516 * msg otherwise 517 */ 518 char *get_table_entry_name (table_entry_t *table, char *msg, int id) 519 { 520 for (; table->id >= 0; ++table) { 521 if (table->id == id) 522 #if defined(USE_HOSTCC) || defined(CONFIG_RELOC_FIXUP_WORKS) 523 return table->lname; 524 #else 525 return table->lname + gd->reloc_off; 526 #endif 527 } 528 return (msg); 529 } 530 531 const char *genimg_get_os_name (uint8_t os) 532 { 533 return (get_table_entry_name (uimage_os, "Unknown OS", os)); 534 } 535 536 const char *genimg_get_arch_name (uint8_t arch) 537 { 538 return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); 539 } 540 541 const char *genimg_get_type_name (uint8_t type) 542 { 543 return (get_table_entry_name (uimage_type, "Unknown Image", type)); 544 } 545 546 const char *genimg_get_comp_name (uint8_t comp) 547 { 548 return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); 549 } 550 551 /** 552 * get_table_entry_id - translate short entry name to id 553 * @table: pointer to a translation table for entries of a specific type 554 * @table_name: to be used in case of error 555 * @name: entry short name to be translated 556 * 557 * get_table_entry_id() will go over translation table trying to find 558 * entry that matches given short name. If matching entry is found, 559 * its id returned to the caller. 560 * 561 * returns: 562 * entry id if translation succeeds 563 * -1 otherwise 564 */ 565 int get_table_entry_id (table_entry_t *table, 566 const char *table_name, const char *name) 567 { 568 table_entry_t *t; 569 #ifdef USE_HOSTCC 570 int first = 1; 571 572 for (t = table; t->id >= 0; ++t) { 573 if (t->sname && strcasecmp(t->sname, name) == 0) 574 return (t->id); 575 } 576 577 fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); 578 for (t = table; t->id >= 0; ++t) { 579 if (t->sname == NULL) 580 continue; 581 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); 582 first = 0; 583 } 584 fprintf (stderr, "\n"); 585 #else 586 for (t = table; t->id >= 0; ++t) { 587 #ifdef CONFIG_RELOC_FIXUP_WORKS 588 if (t->sname && strcmp(t->sname, name) == 0) 589 #else 590 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) 591 #endif 592 return (t->id); 593 } 594 debug ("Invalid %s Type: %s\n", table_name, name); 595 #endif /* USE_HOSTCC */ 596 return (-1); 597 } 598 599 int genimg_get_os_id (const char *name) 600 { 601 return (get_table_entry_id (uimage_os, "OS", name)); 602 } 603 604 int genimg_get_arch_id (const char *name) 605 { 606 return (get_table_entry_id (uimage_arch, "CPU", name)); 607 } 608 609 int genimg_get_type_id (const char *name) 610 { 611 return (get_table_entry_id (uimage_type, "Image", name)); 612 } 613 614 int genimg_get_comp_id (const char *name) 615 { 616 return (get_table_entry_id (uimage_comp, "Compression", name)); 617 } 618 619 #ifndef USE_HOSTCC 620 /** 621 * genimg_get_format - get image format type 622 * @img_addr: image start address 623 * 624 * genimg_get_format() checks whether provided address points to a valid 625 * legacy or FIT image. 626 * 627 * New uImage format and FDT blob are based on a libfdt. FDT blob 628 * may be passed directly or embedded in a FIT image. In both situations 629 * genimg_get_format() must be able to dectect libfdt header. 630 * 631 * returns: 632 * image format type or IMAGE_FORMAT_INVALID if no image is present 633 */ 634 int genimg_get_format (void *img_addr) 635 { 636 ulong format = IMAGE_FORMAT_INVALID; 637 const image_header_t *hdr; 638 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 639 char *fit_hdr; 640 #endif 641 642 hdr = (const image_header_t *)img_addr; 643 if (image_check_magic(hdr)) 644 format = IMAGE_FORMAT_LEGACY; 645 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 646 else { 647 fit_hdr = (char *)img_addr; 648 if (fdt_check_header (fit_hdr) == 0) 649 format = IMAGE_FORMAT_FIT; 650 } 651 #endif 652 653 return format; 654 } 655 656 /** 657 * genimg_get_image - get image from special storage (if necessary) 658 * @img_addr: image start address 659 * 660 * genimg_get_image() checks if provided image start adddress is located 661 * in a dataflash storage. If so, image is moved to a system RAM memory. 662 * 663 * returns: 664 * image start address after possible relocation from special storage 665 */ 666 ulong genimg_get_image (ulong img_addr) 667 { 668 ulong ram_addr = img_addr; 669 670 #ifdef CONFIG_HAS_DATAFLASH 671 ulong h_size, d_size; 672 673 if (addr_dataflash (img_addr)){ 674 /* ger RAM address */ 675 ram_addr = CONFIG_SYS_LOAD_ADDR; 676 677 /* get header size */ 678 h_size = image_get_header_size (); 679 #if defined(CONFIG_FIT) 680 if (sizeof(struct fdt_header) > h_size) 681 h_size = sizeof(struct fdt_header); 682 #endif 683 684 /* read in header */ 685 debug (" Reading image header from dataflash address " 686 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 687 688 read_dataflash (img_addr, h_size, (char *)ram_addr); 689 690 /* get data size */ 691 switch (genimg_get_format ((void *)ram_addr)) { 692 case IMAGE_FORMAT_LEGACY: 693 d_size = image_get_data_size ((const image_header_t *)ram_addr); 694 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", 695 ram_addr, d_size); 696 break; 697 #if defined(CONFIG_FIT) 698 case IMAGE_FORMAT_FIT: 699 d_size = fit_get_size ((const void *)ram_addr) - h_size; 700 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", 701 ram_addr, d_size); 702 break; 703 #endif 704 default: 705 printf (" No valid image found at 0x%08lx\n", img_addr); 706 return ram_addr; 707 } 708 709 /* read in image data */ 710 debug (" Reading image remaining data from dataflash address " 711 "%08lx to RAM address %08lx\n", img_addr + h_size, 712 ram_addr + h_size); 713 714 read_dataflash (img_addr + h_size, d_size, 715 (char *)(ram_addr + h_size)); 716 717 } 718 #endif /* CONFIG_HAS_DATAFLASH */ 719 720 return ram_addr; 721 } 722 723 /** 724 * fit_has_config - check if there is a valid FIT configuration 725 * @images: pointer to the bootm command headers structure 726 * 727 * fit_has_config() checks if there is a FIT configuration in use 728 * (if FTI support is present). 729 * 730 * returns: 731 * 0, no FIT support or no configuration found 732 * 1, configuration found 733 */ 734 int genimg_has_config (bootm_headers_t *images) 735 { 736 #if defined(CONFIG_FIT) 737 if (images->fit_uname_cfg) 738 return 1; 739 #endif 740 return 0; 741 } 742 743 /** 744 * boot_get_ramdisk - main ramdisk handling routine 745 * @argc: command argument count 746 * @argv: command argument list 747 * @images: pointer to the bootm images structure 748 * @arch: expected ramdisk architecture 749 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 750 * @rd_end: pointer to a ulong variable, will hold ramdisk end 751 * 752 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 753 * Curently supported are the following ramdisk sources: 754 * - multicomponent kernel/ramdisk image, 755 * - commandline provided address of decicated ramdisk image. 756 * 757 * returns: 758 * 0, if ramdisk image was found and valid, or skiped 759 * rd_start and rd_end are set to ramdisk start/end addresses if 760 * ramdisk image is found and valid 761 * 762 * 1, if ramdisk image is found but corrupted, or invalid 763 * rd_start and rd_end are set to 0 if no ramdisk exists 764 */ 765 int boot_get_ramdisk (int argc, char * const argv[], bootm_headers_t *images, 766 uint8_t arch, ulong *rd_start, ulong *rd_end) 767 { 768 ulong rd_addr, rd_load; 769 ulong rd_data, rd_len; 770 const image_header_t *rd_hdr; 771 #if defined(CONFIG_FIT) 772 void *fit_hdr; 773 const char *fit_uname_config = NULL; 774 const char *fit_uname_ramdisk = NULL; 775 ulong default_addr; 776 int rd_noffset; 777 int cfg_noffset; 778 const void *data; 779 size_t size; 780 #endif 781 782 *rd_start = 0; 783 *rd_end = 0; 784 785 /* 786 * Look for a '-' which indicates to ignore the 787 * ramdisk argument 788 */ 789 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 790 debug ("## Skipping init Ramdisk\n"); 791 rd_len = rd_data = 0; 792 } else if (argc >= 3 || genimg_has_config (images)) { 793 #if defined(CONFIG_FIT) 794 if (argc >= 3) { 795 /* 796 * If the init ramdisk comes from the FIT image and 797 * the FIT image address is omitted in the command 798 * line argument, try to use os FIT image address or 799 * default load address. 800 */ 801 if (images->fit_uname_os) 802 default_addr = (ulong)images->fit_hdr_os; 803 else 804 default_addr = load_addr; 805 806 if (fit_parse_conf (argv[2], default_addr, 807 &rd_addr, &fit_uname_config)) { 808 debug ("* ramdisk: config '%s' from image at 0x%08lx\n", 809 fit_uname_config, rd_addr); 810 } else if (fit_parse_subimage (argv[2], default_addr, 811 &rd_addr, &fit_uname_ramdisk)) { 812 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", 813 fit_uname_ramdisk, rd_addr); 814 } else 815 #endif 816 { 817 rd_addr = simple_strtoul(argv[2], NULL, 16); 818 debug ("* ramdisk: cmdline image address = 0x%08lx\n", 819 rd_addr); 820 } 821 #if defined(CONFIG_FIT) 822 } else { 823 /* use FIT configuration provided in first bootm 824 * command argument 825 */ 826 rd_addr = (ulong)images->fit_hdr_os; 827 fit_uname_config = images->fit_uname_cfg; 828 debug ("* ramdisk: using config '%s' from image at 0x%08lx\n", 829 fit_uname_config, rd_addr); 830 831 /* 832 * Check whether configuration has ramdisk defined, 833 * if not, don't try to use it, quit silently. 834 */ 835 fit_hdr = (void *)rd_addr; 836 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 837 if (cfg_noffset < 0) { 838 debug ("* ramdisk: no such config\n"); 839 return 1; 840 } 841 842 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 843 if (rd_noffset < 0) { 844 debug ("* ramdisk: no ramdisk in config\n"); 845 return 0; 846 } 847 } 848 #endif 849 850 /* copy from dataflash if needed */ 851 rd_addr = genimg_get_image (rd_addr); 852 853 /* 854 * Check if there is an initrd image at the 855 * address provided in the second bootm argument 856 * check image type, for FIT images get FIT node. 857 */ 858 switch (genimg_get_format ((void *)rd_addr)) { 859 case IMAGE_FORMAT_LEGACY: 860 printf ("## Loading init Ramdisk from Legacy " 861 "Image at %08lx ...\n", rd_addr); 862 863 show_boot_progress (9); 864 rd_hdr = image_get_ramdisk (rd_addr, arch, 865 images->verify); 866 867 if (rd_hdr == NULL) 868 return 1; 869 870 rd_data = image_get_data (rd_hdr); 871 rd_len = image_get_data_size (rd_hdr); 872 rd_load = image_get_load (rd_hdr); 873 break; 874 #if defined(CONFIG_FIT) 875 case IMAGE_FORMAT_FIT: 876 fit_hdr = (void *)rd_addr; 877 printf ("## Loading init Ramdisk from FIT " 878 "Image at %08lx ...\n", rd_addr); 879 880 show_boot_progress (120); 881 if (!fit_check_format (fit_hdr)) { 882 puts ("Bad FIT ramdisk image format!\n"); 883 show_boot_progress (-120); 884 return 1; 885 } 886 show_boot_progress (121); 887 888 if (!fit_uname_ramdisk) { 889 /* 890 * no ramdisk image node unit name, try to get config 891 * node first. If config unit node name is NULL 892 * fit_conf_get_node() will try to find default config node 893 */ 894 show_boot_progress (122); 895 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 896 if (cfg_noffset < 0) { 897 puts ("Could not find configuration node\n"); 898 show_boot_progress (-122); 899 return 1; 900 } 901 fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL); 902 printf (" Using '%s' configuration\n", fit_uname_config); 903 904 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 905 fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); 906 } else { 907 /* get ramdisk component image node offset */ 908 show_boot_progress (123); 909 rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); 910 } 911 if (rd_noffset < 0) { 912 puts ("Could not find subimage node\n"); 913 show_boot_progress (-124); 914 return 1; 915 } 916 917 printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); 918 919 show_boot_progress (125); 920 if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) 921 return 1; 922 923 /* get ramdisk image data address and length */ 924 if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { 925 puts ("Could not find ramdisk subimage data!\n"); 926 show_boot_progress (-127); 927 return 1; 928 } 929 show_boot_progress (128); 930 931 rd_data = (ulong)data; 932 rd_len = size; 933 934 if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { 935 puts ("Can't get ramdisk subimage load address!\n"); 936 show_boot_progress (-129); 937 return 1; 938 } 939 show_boot_progress (129); 940 941 images->fit_hdr_rd = fit_hdr; 942 images->fit_uname_rd = fit_uname_ramdisk; 943 images->fit_noffset_rd = rd_noffset; 944 break; 945 #endif 946 default: 947 puts ("Wrong Ramdisk Image Format\n"); 948 rd_data = rd_len = rd_load = 0; 949 return 1; 950 } 951 952 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 953 /* 954 * We need to copy the ramdisk to SRAM to let Linux boot 955 */ 956 if (rd_data) { 957 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 958 rd_data = rd_load; 959 } 960 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 961 962 } else if (images->legacy_hdr_valid && 963 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 964 /* 965 * Now check if we have a legacy mult-component image, 966 * get second entry data start address and len. 967 */ 968 show_boot_progress (13); 969 printf ("## Loading init Ramdisk from multi component " 970 "Legacy Image at %08lx ...\n", 971 (ulong)images->legacy_hdr_os); 972 973 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 974 } else { 975 /* 976 * no initrd image 977 */ 978 show_boot_progress (14); 979 rd_len = rd_data = 0; 980 } 981 982 if (!rd_data) { 983 debug ("## No init Ramdisk\n"); 984 } else { 985 *rd_start = rd_data; 986 *rd_end = rd_data + rd_len; 987 } 988 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 989 *rd_start, *rd_end); 990 991 return 0; 992 } 993 994 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) 995 /** 996 * boot_ramdisk_high - relocate init ramdisk 997 * @lmb: pointer to lmb handle, will be used for memory mgmt 998 * @rd_data: ramdisk data start address 999 * @rd_len: ramdisk data length 1000 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 1001 * start address (after possible relocation) 1002 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 1003 * end address (after possible relocation) 1004 * 1005 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 1006 * variable and if requested ramdisk data is moved to a specified location. 1007 * 1008 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 1009 * start/end addresses if ramdisk image start and len were provided, 1010 * otherwise set initrd_start and initrd_end set to zeros. 1011 * 1012 * returns: 1013 * 0 - success 1014 * -1 - failure 1015 */ 1016 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 1017 ulong *initrd_start, ulong *initrd_end) 1018 { 1019 char *s; 1020 ulong initrd_high; 1021 int initrd_copy_to_ram = 1; 1022 1023 if ((s = getenv ("initrd_high")) != NULL) { 1024 /* a value of "no" or a similar string will act like 0, 1025 * turning the "load high" feature off. This is intentional. 1026 */ 1027 initrd_high = simple_strtoul (s, NULL, 16); 1028 if (initrd_high == ~0) 1029 initrd_copy_to_ram = 0; 1030 } else { 1031 /* not set, no restrictions to load high */ 1032 initrd_high = ~0; 1033 } 1034 1035 1036 #ifdef CONFIG_LOGBUFFER 1037 /* Prevent initrd from overwriting logbuffer */ 1038 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1039 #endif 1040 1041 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1042 initrd_high, initrd_copy_to_ram); 1043 1044 if (rd_data) { 1045 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1046 debug (" in-place initrd\n"); 1047 *initrd_start = rd_data; 1048 *initrd_end = rd_data + rd_len; 1049 lmb_reserve(lmb, rd_data, rd_len); 1050 } else { 1051 if (initrd_high) 1052 *initrd_start = (ulong)lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 1053 else 1054 *initrd_start = (ulong)lmb_alloc (lmb, rd_len, 0x1000); 1055 1056 if (*initrd_start == 0) { 1057 puts ("ramdisk - allocation error\n"); 1058 goto error; 1059 } 1060 show_boot_progress (12); 1061 1062 *initrd_end = *initrd_start + rd_len; 1063 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 1064 *initrd_start, *initrd_end); 1065 1066 memmove_wd ((void *)*initrd_start, 1067 (void *)rd_data, rd_len, CHUNKSZ); 1068 1069 puts ("OK\n"); 1070 } 1071 } else { 1072 *initrd_start = 0; 1073 *initrd_end = 0; 1074 } 1075 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1076 *initrd_start, *initrd_end); 1077 1078 return 0; 1079 1080 error: 1081 return -1; 1082 } 1083 #endif /* defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) */ 1084 1085 #ifdef CONFIG_OF_LIBFDT 1086 static void fdt_error (const char *msg) 1087 { 1088 puts ("ERROR: "); 1089 puts (msg); 1090 puts (" - must RESET the board to recover.\n"); 1091 } 1092 1093 static const image_header_t *image_get_fdt (ulong fdt_addr) 1094 { 1095 const image_header_t *fdt_hdr = (const image_header_t *)fdt_addr; 1096 1097 image_print_contents (fdt_hdr); 1098 1099 puts (" Verifying Checksum ... "); 1100 if (!image_check_hcrc (fdt_hdr)) { 1101 fdt_error ("fdt header checksum invalid"); 1102 return NULL; 1103 } 1104 1105 if (!image_check_dcrc (fdt_hdr)) { 1106 fdt_error ("fdt checksum invalid"); 1107 return NULL; 1108 } 1109 puts ("OK\n"); 1110 1111 if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) { 1112 fdt_error ("uImage is not a fdt"); 1113 return NULL; 1114 } 1115 if (image_get_comp (fdt_hdr) != IH_COMP_NONE) { 1116 fdt_error ("uImage is compressed"); 1117 return NULL; 1118 } 1119 if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) { 1120 fdt_error ("uImage data is not a fdt"); 1121 return NULL; 1122 } 1123 return fdt_hdr; 1124 } 1125 1126 /** 1127 * fit_check_fdt - verify FIT format FDT subimage 1128 * @fit_hdr: pointer to the FIT header 1129 * fdt_noffset: FDT subimage node offset within FIT image 1130 * @verify: data CRC verification flag 1131 * 1132 * fit_check_fdt() verifies integrity of the FDT subimage and from 1133 * specified FIT image. 1134 * 1135 * returns: 1136 * 1, on success 1137 * 0, on failure 1138 */ 1139 #if defined(CONFIG_FIT) 1140 static int fit_check_fdt (const void *fit, int fdt_noffset, int verify) 1141 { 1142 fit_image_print (fit, fdt_noffset, " "); 1143 1144 if (verify) { 1145 puts (" Verifying Hash Integrity ... "); 1146 if (!fit_image_check_hashes (fit, fdt_noffset)) { 1147 fdt_error ("Bad Data Hash"); 1148 return 0; 1149 } 1150 puts ("OK\n"); 1151 } 1152 1153 if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) { 1154 fdt_error ("Not a FDT image"); 1155 return 0; 1156 } 1157 1158 if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) { 1159 fdt_error ("FDT image is compressed"); 1160 return 0; 1161 } 1162 1163 return 1; 1164 } 1165 #endif /* CONFIG_FIT */ 1166 1167 #ifndef CONFIG_SYS_FDT_PAD 1168 #define CONFIG_SYS_FDT_PAD 0x3000 1169 #endif 1170 1171 /** 1172 * boot_relocate_fdt - relocate flat device tree 1173 * @lmb: pointer to lmb handle, will be used for memory mgmt 1174 * @bootmap_base: base address of the bootmap region 1175 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1176 * @of_size: pointer to a ulong variable, will hold fdt length 1177 * 1178 * boot_relocate_fdt() determines if the of_flat_tree address is within 1179 * the bootmap and if not relocates it into that region 1180 * 1181 * of_flat_tree and of_size are set to final (after relocation) values 1182 * 1183 * returns: 1184 * 0 - success 1185 * 1 - failure 1186 */ 1187 int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base, 1188 char **of_flat_tree, ulong *of_size) 1189 { 1190 char *fdt_blob = *of_flat_tree; 1191 ulong relocate = 0; 1192 ulong of_len = 0; 1193 1194 /* nothing to do */ 1195 if (*of_size == 0) 1196 return 0; 1197 1198 if (fdt_check_header (fdt_blob) != 0) { 1199 fdt_error ("image is not a fdt"); 1200 goto error; 1201 } 1202 1203 #ifndef CONFIG_SYS_NO_FLASH 1204 /* move the blob if it is in flash (set relocate) */ 1205 if (addr2info ((ulong)fdt_blob) != NULL) 1206 relocate = 1; 1207 #endif 1208 1209 /* 1210 * The blob needs to be inside the boot mapping. 1211 */ 1212 if (fdt_blob < (char *)bootmap_base) 1213 relocate = 1; 1214 1215 if ((fdt_blob + *of_size + CONFIG_SYS_FDT_PAD) >= 1216 ((char *)CONFIG_SYS_BOOTMAPSZ + bootmap_base)) 1217 relocate = 1; 1218 1219 /* move flattend device tree if needed */ 1220 if (relocate) { 1221 int err; 1222 ulong of_start = 0; 1223 1224 /* position on a 4K boundary before the alloc_current */ 1225 /* Pad the FDT by a specified amount */ 1226 of_len = *of_size + CONFIG_SYS_FDT_PAD; 1227 of_start = (unsigned long)lmb_alloc_base(lmb, of_len, 0x1000, 1228 (CONFIG_SYS_BOOTMAPSZ + bootmap_base)); 1229 1230 if (of_start == 0) { 1231 puts("device tree - allocation error\n"); 1232 goto error; 1233 } 1234 1235 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", 1236 (ulong)fdt_blob, (ulong)fdt_blob + *of_size - 1, 1237 of_len, of_len); 1238 1239 printf (" Loading Device Tree to %08lx, end %08lx ... ", 1240 of_start, of_start + of_len - 1); 1241 1242 err = fdt_open_into (fdt_blob, (void *)of_start, of_len); 1243 if (err != 0) { 1244 fdt_error ("fdt move failed"); 1245 goto error; 1246 } 1247 puts ("OK\n"); 1248 1249 *of_flat_tree = (char *)of_start; 1250 *of_size = of_len; 1251 } else { 1252 *of_flat_tree = fdt_blob; 1253 of_len = (CONFIG_SYS_BOOTMAPSZ + bootmap_base) - (ulong)fdt_blob; 1254 lmb_reserve(lmb, (ulong)fdt_blob, of_len); 1255 fdt_set_totalsize(*of_flat_tree, of_len); 1256 1257 *of_size = of_len; 1258 } 1259 1260 set_working_fdt_addr(*of_flat_tree); 1261 return 0; 1262 1263 error: 1264 return 1; 1265 } 1266 1267 /** 1268 * boot_get_fdt - main fdt handling routine 1269 * @argc: command argument count 1270 * @argv: command argument list 1271 * @images: pointer to the bootm images structure 1272 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1273 * @of_size: pointer to a ulong variable, will hold fdt length 1274 * 1275 * boot_get_fdt() is responsible for finding a valid flat device tree image. 1276 * Curently supported are the following ramdisk sources: 1277 * - multicomponent kernel/ramdisk image, 1278 * - commandline provided address of decicated ramdisk image. 1279 * 1280 * returns: 1281 * 0, if fdt image was found and valid, or skipped 1282 * of_flat_tree and of_size are set to fdt start address and length if 1283 * fdt image is found and valid 1284 * 1285 * 1, if fdt image is found but corrupted 1286 * of_flat_tree and of_size are set to 0 if no fdt exists 1287 */ 1288 int boot_get_fdt (int flag, int argc, char * const argv[], bootm_headers_t *images, 1289 char **of_flat_tree, ulong *of_size) 1290 { 1291 const image_header_t *fdt_hdr; 1292 ulong fdt_addr; 1293 char *fdt_blob = NULL; 1294 ulong image_start, image_end; 1295 ulong load_start, load_end; 1296 #if defined(CONFIG_FIT) 1297 void *fit_hdr; 1298 const char *fit_uname_config = NULL; 1299 const char *fit_uname_fdt = NULL; 1300 ulong default_addr; 1301 int cfg_noffset; 1302 int fdt_noffset; 1303 const void *data; 1304 size_t size; 1305 #endif 1306 1307 *of_flat_tree = NULL; 1308 *of_size = 0; 1309 1310 if (argc > 3 || genimg_has_config (images)) { 1311 #if defined(CONFIG_FIT) 1312 if (argc > 3) { 1313 /* 1314 * If the FDT blob comes from the FIT image and the 1315 * FIT image address is omitted in the command line 1316 * argument, try to use ramdisk or os FIT image 1317 * address or default load address. 1318 */ 1319 if (images->fit_uname_rd) 1320 default_addr = (ulong)images->fit_hdr_rd; 1321 else if (images->fit_uname_os) 1322 default_addr = (ulong)images->fit_hdr_os; 1323 else 1324 default_addr = load_addr; 1325 1326 if (fit_parse_conf (argv[3], default_addr, 1327 &fdt_addr, &fit_uname_config)) { 1328 debug ("* fdt: config '%s' from image at 0x%08lx\n", 1329 fit_uname_config, fdt_addr); 1330 } else if (fit_parse_subimage (argv[3], default_addr, 1331 &fdt_addr, &fit_uname_fdt)) { 1332 debug ("* fdt: subimage '%s' from image at 0x%08lx\n", 1333 fit_uname_fdt, fdt_addr); 1334 } else 1335 #endif 1336 { 1337 fdt_addr = simple_strtoul(argv[3], NULL, 16); 1338 debug ("* fdt: cmdline image address = 0x%08lx\n", 1339 fdt_addr); 1340 } 1341 #if defined(CONFIG_FIT) 1342 } else { 1343 /* use FIT configuration provided in first bootm 1344 * command argument 1345 */ 1346 fdt_addr = (ulong)images->fit_hdr_os; 1347 fit_uname_config = images->fit_uname_cfg; 1348 debug ("* fdt: using config '%s' from image at 0x%08lx\n", 1349 fit_uname_config, fdt_addr); 1350 1351 /* 1352 * Check whether configuration has FDT blob defined, 1353 * if not quit silently. 1354 */ 1355 fit_hdr = (void *)fdt_addr; 1356 cfg_noffset = fit_conf_get_node (fit_hdr, 1357 fit_uname_config); 1358 if (cfg_noffset < 0) { 1359 debug ("* fdt: no such config\n"); 1360 return 0; 1361 } 1362 1363 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1364 cfg_noffset); 1365 if (fdt_noffset < 0) { 1366 debug ("* fdt: no fdt in config\n"); 1367 return 0; 1368 } 1369 } 1370 #endif 1371 1372 debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n", 1373 fdt_addr); 1374 1375 /* copy from dataflash if needed */ 1376 fdt_addr = genimg_get_image (fdt_addr); 1377 1378 /* 1379 * Check if there is an FDT image at the 1380 * address provided in the second bootm argument 1381 * check image type, for FIT images get a FIT node. 1382 */ 1383 switch (genimg_get_format ((void *)fdt_addr)) { 1384 case IMAGE_FORMAT_LEGACY: 1385 /* verify fdt_addr points to a valid image header */ 1386 printf ("## Flattened Device Tree from Legacy Image at %08lx\n", 1387 fdt_addr); 1388 fdt_hdr = image_get_fdt (fdt_addr); 1389 if (!fdt_hdr) 1390 goto error; 1391 1392 /* 1393 * move image data to the load address, 1394 * make sure we don't overwrite initial image 1395 */ 1396 image_start = (ulong)fdt_hdr; 1397 image_end = image_get_image_end (fdt_hdr); 1398 1399 load_start = image_get_load (fdt_hdr); 1400 load_end = load_start + image_get_data_size (fdt_hdr); 1401 1402 if ((load_start < image_end) && (load_end > image_start)) { 1403 fdt_error ("fdt overwritten"); 1404 goto error; 1405 } 1406 1407 debug (" Loading FDT from 0x%08lx to 0x%08lx\n", 1408 image_get_data (fdt_hdr), load_start); 1409 1410 memmove ((void *)load_start, 1411 (void *)image_get_data (fdt_hdr), 1412 image_get_data_size (fdt_hdr)); 1413 1414 fdt_blob = (char *)load_start; 1415 break; 1416 case IMAGE_FORMAT_FIT: 1417 /* 1418 * This case will catch both: new uImage format 1419 * (libfdt based) and raw FDT blob (also libfdt 1420 * based). 1421 */ 1422 #if defined(CONFIG_FIT) 1423 /* check FDT blob vs FIT blob */ 1424 if (fit_check_format ((const void *)fdt_addr)) { 1425 /* 1426 * FIT image 1427 */ 1428 fit_hdr = (void *)fdt_addr; 1429 printf ("## Flattened Device Tree from FIT Image at %08lx\n", 1430 fdt_addr); 1431 1432 if (!fit_uname_fdt) { 1433 /* 1434 * no FDT blob image node unit name, 1435 * try to get config node first. If 1436 * config unit node name is NULL 1437 * fit_conf_get_node() will try to 1438 * find default config node 1439 */ 1440 cfg_noffset = fit_conf_get_node (fit_hdr, 1441 fit_uname_config); 1442 1443 if (cfg_noffset < 0) { 1444 fdt_error ("Could not find configuration node\n"); 1445 goto error; 1446 } 1447 1448 fit_uname_config = fdt_get_name (fit_hdr, 1449 cfg_noffset, NULL); 1450 printf (" Using '%s' configuration\n", 1451 fit_uname_config); 1452 1453 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1454 cfg_noffset); 1455 fit_uname_fdt = fit_get_name (fit_hdr, 1456 fdt_noffset, NULL); 1457 } else { 1458 /* get FDT component image node offset */ 1459 fdt_noffset = fit_image_get_node (fit_hdr, 1460 fit_uname_fdt); 1461 } 1462 if (fdt_noffset < 0) { 1463 fdt_error ("Could not find subimage node\n"); 1464 goto error; 1465 } 1466 1467 printf (" Trying '%s' FDT blob subimage\n", 1468 fit_uname_fdt); 1469 1470 if (!fit_check_fdt (fit_hdr, fdt_noffset, 1471 images->verify)) 1472 goto error; 1473 1474 /* get ramdisk image data address and length */ 1475 if (fit_image_get_data (fit_hdr, fdt_noffset, 1476 &data, &size)) { 1477 fdt_error ("Could not find FDT subimage data"); 1478 goto error; 1479 } 1480 1481 /* verift that image data is a proper FDT blob */ 1482 if (fdt_check_header ((char *)data) != 0) { 1483 fdt_error ("Subimage data is not a FTD"); 1484 goto error; 1485 } 1486 1487 /* 1488 * move image data to the load address, 1489 * make sure we don't overwrite initial image 1490 */ 1491 image_start = (ulong)fit_hdr; 1492 image_end = fit_get_end (fit_hdr); 1493 1494 if (fit_image_get_load (fit_hdr, fdt_noffset, 1495 &load_start) == 0) { 1496 load_end = load_start + size; 1497 1498 if ((load_start < image_end) && 1499 (load_end > image_start)) { 1500 fdt_error ("FDT overwritten"); 1501 goto error; 1502 } 1503 1504 printf (" Loading FDT from 0x%08lx to 0x%08lx\n", 1505 (ulong)data, load_start); 1506 1507 memmove ((void *)load_start, 1508 (void *)data, size); 1509 1510 fdt_blob = (char *)load_start; 1511 } else { 1512 fdt_blob = (char *)data; 1513 } 1514 1515 images->fit_hdr_fdt = fit_hdr; 1516 images->fit_uname_fdt = fit_uname_fdt; 1517 images->fit_noffset_fdt = fdt_noffset; 1518 break; 1519 } else 1520 #endif 1521 { 1522 /* 1523 * FDT blob 1524 */ 1525 fdt_blob = (char *)fdt_addr; 1526 debug ("* fdt: raw FDT blob\n"); 1527 printf ("## Flattened Device Tree blob at %08lx\n", (long)fdt_blob); 1528 } 1529 break; 1530 default: 1531 puts ("ERROR: Did not find a cmdline Flattened Device Tree\n"); 1532 goto error; 1533 } 1534 1535 printf (" Booting using the fdt blob at 0x%x\n", (int)fdt_blob); 1536 1537 } else if (images->legacy_hdr_valid && 1538 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 1539 1540 ulong fdt_data, fdt_len; 1541 1542 /* 1543 * Now check if we have a legacy multi-component image, 1544 * get second entry data start address and len. 1545 */ 1546 printf ("## Flattened Device Tree from multi " 1547 "component Image at %08lX\n", 1548 (ulong)images->legacy_hdr_os); 1549 1550 image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len); 1551 if (fdt_len) { 1552 1553 fdt_blob = (char *)fdt_data; 1554 printf (" Booting using the fdt at 0x%x\n", (int)fdt_blob); 1555 1556 if (fdt_check_header (fdt_blob) != 0) { 1557 fdt_error ("image is not a fdt"); 1558 goto error; 1559 } 1560 1561 if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) { 1562 fdt_error ("fdt size != image size"); 1563 goto error; 1564 } 1565 } else { 1566 debug ("## No Flattened Device Tree\n"); 1567 return 0; 1568 } 1569 } else { 1570 debug ("## No Flattened Device Tree\n"); 1571 return 0; 1572 } 1573 1574 *of_flat_tree = fdt_blob; 1575 *of_size = be32_to_cpu (fdt_totalsize (fdt_blob)); 1576 debug (" of_flat_tree at 0x%08lx size 0x%08lx\n", 1577 (ulong)*of_flat_tree, *of_size); 1578 1579 return 0; 1580 1581 error: 1582 *of_flat_tree = 0; 1583 *of_size = 0; 1584 return 1; 1585 } 1586 #endif /* CONFIG_OF_LIBFDT */ 1587 1588 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) 1589 /** 1590 * boot_get_cmdline - allocate and initialize kernel cmdline 1591 * @lmb: pointer to lmb handle, will be used for memory mgmt 1592 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1593 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1594 * @bootmap_base: ulong variable, holds offset in physical memory to 1595 * base of bootmap 1596 * 1597 * boot_get_cmdline() allocates space for kernel command line below 1598 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 1599 * variable is present its contents is copied to allocated kernel 1600 * command line. 1601 * 1602 * returns: 1603 * 0 - success 1604 * -1 - failure 1605 */ 1606 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 1607 ulong bootmap_base) 1608 { 1609 char *cmdline; 1610 char *s; 1611 1612 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1613 CONFIG_SYS_BOOTMAPSZ + bootmap_base); 1614 1615 if (cmdline == NULL) 1616 return -1; 1617 1618 if ((s = getenv("bootargs")) == NULL) 1619 s = ""; 1620 1621 strcpy(cmdline, s); 1622 1623 *cmd_start = (ulong) & cmdline[0]; 1624 *cmd_end = *cmd_start + strlen(cmdline); 1625 1626 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1627 1628 return 0; 1629 } 1630 1631 /** 1632 * boot_get_kbd - allocate and initialize kernel copy of board info 1633 * @lmb: pointer to lmb handle, will be used for memory mgmt 1634 * @kbd: double pointer to board info data 1635 * @bootmap_base: ulong variable, holds offset in physical memory to 1636 * base of bootmap 1637 * 1638 * boot_get_kbd() allocates space for kernel copy of board info data below 1639 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1640 * the current u-boot board info data. 1641 * 1642 * returns: 1643 * 0 - success 1644 * -1 - failure 1645 */ 1646 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1647 { 1648 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1649 CONFIG_SYS_BOOTMAPSZ + bootmap_base); 1650 if (*kbd == NULL) 1651 return -1; 1652 1653 **kbd = *(gd->bd); 1654 1655 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1656 1657 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1658 do_bdinfo(NULL, 0, 0, NULL); 1659 #endif 1660 1661 return 0; 1662 } 1663 #endif /* CONFIG_PPC || CONFIG_M68K */ 1664 #endif /* !USE_HOSTCC */ 1665 1666 #if defined(CONFIG_FIT) 1667 /*****************************************************************************/ 1668 /* New uImage format routines */ 1669 /*****************************************************************************/ 1670 #ifndef USE_HOSTCC 1671 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1672 ulong *addr, const char **name) 1673 { 1674 const char *sep; 1675 1676 *addr = addr_curr; 1677 *name = NULL; 1678 1679 sep = strchr (spec, sepc); 1680 if (sep) { 1681 if (sep - spec > 0) 1682 *addr = simple_strtoul (spec, NULL, 16); 1683 1684 *name = sep + 1; 1685 return 1; 1686 } 1687 1688 return 0; 1689 } 1690 1691 /** 1692 * fit_parse_conf - parse FIT configuration spec 1693 * @spec: input string, containing configuration spec 1694 * @add_curr: current image address (to be used as a possible default) 1695 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1696 * configuration 1697 * @conf_name double pointer to a char, will hold pointer to a configuration 1698 * unit name 1699 * 1700 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1701 * where <addr> is a FIT image address that contains configuration 1702 * with a <conf> unit name. 1703 * 1704 * Address part is optional, and if omitted default add_curr will 1705 * be used instead. 1706 * 1707 * returns: 1708 * 1 if spec is a valid configuration string, 1709 * addr and conf_name are set accordingly 1710 * 0 otherwise 1711 */ 1712 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1713 ulong *addr, const char **conf_name) 1714 { 1715 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1716 } 1717 1718 /** 1719 * fit_parse_subimage - parse FIT subimage spec 1720 * @spec: input string, containing subimage spec 1721 * @add_curr: current image address (to be used as a possible default) 1722 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1723 * subimage 1724 * @image_name: double pointer to a char, will hold pointer to a subimage name 1725 * 1726 * fit_parse_subimage() expects subimage spec in the for of 1727 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1728 * subimage with a <subimg> unit name. 1729 * 1730 * Address part is optional, and if omitted default add_curr will 1731 * be used instead. 1732 * 1733 * returns: 1734 * 1 if spec is a valid subimage string, 1735 * addr and image_name are set accordingly 1736 * 0 otherwise 1737 */ 1738 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1739 ulong *addr, const char **image_name) 1740 { 1741 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1742 } 1743 #endif /* !USE_HOSTCC */ 1744 1745 static void fit_get_debug (const void *fit, int noffset, 1746 char *prop_name, int err) 1747 { 1748 debug ("Can't get '%s' property from FIT 0x%08lx, " 1749 "node: offset %d, name %s (%s)\n", 1750 prop_name, (ulong)fit, noffset, 1751 fit_get_name (fit, noffset, NULL), 1752 fdt_strerror (err)); 1753 } 1754 1755 /** 1756 * fit_print_contents - prints out the contents of the FIT format image 1757 * @fit: pointer to the FIT format image header 1758 * @p: pointer to prefix string 1759 * 1760 * fit_print_contents() formats a multi line FIT image contents description. 1761 * The routine prints out FIT image properties (root node level) follwed by 1762 * the details of each component image. 1763 * 1764 * returns: 1765 * no returned results 1766 */ 1767 void fit_print_contents (const void *fit) 1768 { 1769 char *desc; 1770 char *uname; 1771 int images_noffset; 1772 int confs_noffset; 1773 int noffset; 1774 int ndepth; 1775 int count = 0; 1776 int ret; 1777 const char *p; 1778 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1779 time_t timestamp; 1780 #endif 1781 1782 #ifdef USE_HOSTCC 1783 p = ""; 1784 #else 1785 p = " "; 1786 #endif 1787 1788 /* Root node properties */ 1789 ret = fit_get_desc (fit, 0, &desc); 1790 printf ("%sFIT description: ", p); 1791 if (ret) 1792 printf ("unavailable\n"); 1793 else 1794 printf ("%s\n", desc); 1795 1796 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1797 ret = fit_get_timestamp (fit, 0, ×tamp); 1798 printf ("%sCreated: ", p); 1799 if (ret) 1800 printf ("unavailable\n"); 1801 else 1802 genimg_print_time (timestamp); 1803 #endif 1804 1805 /* Find images parent node offset */ 1806 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1807 if (images_noffset < 0) { 1808 printf ("Can't find images parent node '%s' (%s)\n", 1809 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1810 return; 1811 } 1812 1813 /* Process its subnodes, print out component images details */ 1814 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1815 (noffset >= 0) && (ndepth > 0); 1816 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1817 if (ndepth == 1) { 1818 /* 1819 * Direct child node of the images parent node, 1820 * i.e. component image node. 1821 */ 1822 printf ("%s Image %u (%s)\n", p, count++, 1823 fit_get_name(fit, noffset, NULL)); 1824 1825 fit_image_print (fit, noffset, p); 1826 } 1827 } 1828 1829 /* Find configurations parent node offset */ 1830 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 1831 if (confs_noffset < 0) { 1832 debug ("Can't get configurations parent node '%s' (%s)\n", 1833 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 1834 return; 1835 } 1836 1837 /* get default configuration unit name from default property */ 1838 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); 1839 if (uname) 1840 printf ("%s Default Configuration: '%s'\n", p, uname); 1841 1842 /* Process its subnodes, print out configurations details */ 1843 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); 1844 (noffset >= 0) && (ndepth > 0); 1845 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1846 if (ndepth == 1) { 1847 /* 1848 * Direct child node of the configurations parent node, 1849 * i.e. configuration node. 1850 */ 1851 printf ("%s Configuration %u (%s)\n", p, count++, 1852 fit_get_name(fit, noffset, NULL)); 1853 1854 fit_conf_print (fit, noffset, p); 1855 } 1856 } 1857 } 1858 1859 /** 1860 * fit_image_print - prints out the FIT component image details 1861 * @fit: pointer to the FIT format image header 1862 * @image_noffset: offset of the component image node 1863 * @p: pointer to prefix string 1864 * 1865 * fit_image_print() lists all mandatory properies for the processed component 1866 * image. If present, hash nodes are printed out as well. Load 1867 * address for images of type firmware is also printed out. Since the load 1868 * address is not mandatory for firmware images, it will be output as 1869 * "unavailable" when not present. 1870 * 1871 * returns: 1872 * no returned results 1873 */ 1874 void fit_image_print (const void *fit, int image_noffset, const char *p) 1875 { 1876 char *desc; 1877 uint8_t type, arch, os, comp; 1878 size_t size; 1879 ulong load, entry; 1880 const void *data; 1881 int noffset; 1882 int ndepth; 1883 int ret; 1884 1885 /* Mandatory properties */ 1886 ret = fit_get_desc (fit, image_noffset, &desc); 1887 printf ("%s Description: ", p); 1888 if (ret) 1889 printf ("unavailable\n"); 1890 else 1891 printf ("%s\n", desc); 1892 1893 fit_image_get_type (fit, image_noffset, &type); 1894 printf ("%s Type: %s\n", p, genimg_get_type_name (type)); 1895 1896 fit_image_get_comp (fit, image_noffset, &comp); 1897 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); 1898 1899 ret = fit_image_get_data (fit, image_noffset, &data, &size); 1900 1901 #ifndef USE_HOSTCC 1902 printf ("%s Data Start: ", p); 1903 if (ret) 1904 printf ("unavailable\n"); 1905 else 1906 printf ("0x%08lx\n", (ulong)data); 1907 #endif 1908 1909 printf ("%s Data Size: ", p); 1910 if (ret) 1911 printf ("unavailable\n"); 1912 else 1913 genimg_print_size (size); 1914 1915 /* Remaining, type dependent properties */ 1916 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1917 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 1918 (type == IH_TYPE_FLATDT)) { 1919 fit_image_get_arch (fit, image_noffset, &arch); 1920 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); 1921 } 1922 1923 if (type == IH_TYPE_KERNEL) { 1924 fit_image_get_os (fit, image_noffset, &os); 1925 printf ("%s OS: %s\n", p, genimg_get_os_name (os)); 1926 } 1927 1928 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1929 (type == IH_TYPE_FIRMWARE)) { 1930 ret = fit_image_get_load (fit, image_noffset, &load); 1931 printf ("%s Load Address: ", p); 1932 if (ret) 1933 printf ("unavailable\n"); 1934 else 1935 printf ("0x%08lx\n", load); 1936 } 1937 1938 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 1939 fit_image_get_entry (fit, image_noffset, &entry); 1940 printf ("%s Entry Point: ", p); 1941 if (ret) 1942 printf ("unavailable\n"); 1943 else 1944 printf ("0x%08lx\n", entry); 1945 } 1946 1947 /* Process all hash subnodes of the component image node */ 1948 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1949 (noffset >= 0) && (ndepth > 0); 1950 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1951 if (ndepth == 1) { 1952 /* Direct child node of the component image node */ 1953 fit_image_print_hash (fit, noffset, p); 1954 } 1955 } 1956 } 1957 1958 /** 1959 * fit_image_print_hash - prints out the hash node details 1960 * @fit: pointer to the FIT format image header 1961 * @noffset: offset of the hash node 1962 * @p: pointer to prefix string 1963 * 1964 * fit_image_print_hash() lists properies for the processed hash node 1965 * 1966 * returns: 1967 * no returned results 1968 */ 1969 void fit_image_print_hash (const void *fit, int noffset, const char *p) 1970 { 1971 char *algo; 1972 uint8_t *value; 1973 int value_len; 1974 int i, ret; 1975 1976 /* 1977 * Check subnode name, must be equal to "hash". 1978 * Multiple hash nodes require unique unit node 1979 * names, e.g. hash@1, hash@2, etc. 1980 */ 1981 if (strncmp (fit_get_name(fit, noffset, NULL), 1982 FIT_HASH_NODENAME, 1983 strlen(FIT_HASH_NODENAME)) != 0) 1984 return; 1985 1986 debug ("%s Hash node: '%s'\n", p, 1987 fit_get_name (fit, noffset, NULL)); 1988 1989 printf ("%s Hash algo: ", p); 1990 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1991 printf ("invalid/unsupported\n"); 1992 return; 1993 } 1994 printf ("%s\n", algo); 1995 1996 ret = fit_image_hash_get_value (fit, noffset, &value, 1997 &value_len); 1998 printf ("%s Hash value: ", p); 1999 if (ret) { 2000 printf ("unavailable\n"); 2001 } else { 2002 for (i = 0; i < value_len; i++) 2003 printf ("%02x", value[i]); 2004 printf ("\n"); 2005 } 2006 2007 debug ("%s Hash len: %d\n", p, value_len); 2008 } 2009 2010 /** 2011 * fit_get_desc - get node description property 2012 * @fit: pointer to the FIT format image header 2013 * @noffset: node offset 2014 * @desc: double pointer to the char, will hold pointer to the descrption 2015 * 2016 * fit_get_desc() reads description property from a given node, if 2017 * description is found pointer to it is returened in third call argument. 2018 * 2019 * returns: 2020 * 0, on success 2021 * -1, on failure 2022 */ 2023 int fit_get_desc (const void *fit, int noffset, char **desc) 2024 { 2025 int len; 2026 2027 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); 2028 if (*desc == NULL) { 2029 fit_get_debug (fit, noffset, FIT_DESC_PROP, len); 2030 return -1; 2031 } 2032 2033 return 0; 2034 } 2035 2036 /** 2037 * fit_get_timestamp - get node timestamp property 2038 * @fit: pointer to the FIT format image header 2039 * @noffset: node offset 2040 * @timestamp: pointer to the time_t, will hold read timestamp 2041 * 2042 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 2043 * is found and has a correct size its value is retured in third call 2044 * argument. 2045 * 2046 * returns: 2047 * 0, on success 2048 * -1, on property read failure 2049 * -2, on wrong timestamp size 2050 */ 2051 int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) 2052 { 2053 int len; 2054 const void *data; 2055 2056 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); 2057 if (data == NULL) { 2058 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); 2059 return -1; 2060 } 2061 if (len != sizeof (uint32_t)) { 2062 debug ("FIT timestamp with incorrect size of (%u)\n", len); 2063 return -2; 2064 } 2065 2066 *timestamp = uimage_to_cpu (*((uint32_t *)data)); 2067 return 0; 2068 } 2069 2070 /** 2071 * fit_image_get_node - get node offset for component image of a given unit name 2072 * @fit: pointer to the FIT format image header 2073 * @image_uname: component image node unit name 2074 * 2075 * fit_image_get_node() finds a component image (withing the '/images' 2076 * node) of a provided unit name. If image is found its node offset is 2077 * returned to the caller. 2078 * 2079 * returns: 2080 * image node offset when found (>=0) 2081 * negative number on failure (FDT_ERR_* code) 2082 */ 2083 int fit_image_get_node (const void *fit, const char *image_uname) 2084 { 2085 int noffset, images_noffset; 2086 2087 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2088 if (images_noffset < 0) { 2089 debug ("Can't find images parent node '%s' (%s)\n", 2090 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2091 return images_noffset; 2092 } 2093 2094 noffset = fdt_subnode_offset (fit, images_noffset, image_uname); 2095 if (noffset < 0) { 2096 debug ("Can't get node offset for image unit name: '%s' (%s)\n", 2097 image_uname, fdt_strerror (noffset)); 2098 } 2099 2100 return noffset; 2101 } 2102 2103 /** 2104 * fit_image_get_os - get os id for a given component image node 2105 * @fit: pointer to the FIT format image header 2106 * @noffset: component image node offset 2107 * @os: pointer to the uint8_t, will hold os numeric id 2108 * 2109 * fit_image_get_os() finds os property in a given component image node. 2110 * If the property is found, its (string) value is translated to the numeric 2111 * id which is returned to the caller. 2112 * 2113 * returns: 2114 * 0, on success 2115 * -1, on failure 2116 */ 2117 int fit_image_get_os (const void *fit, int noffset, uint8_t *os) 2118 { 2119 int len; 2120 const void *data; 2121 2122 /* Get OS name from property data */ 2123 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); 2124 if (data == NULL) { 2125 fit_get_debug (fit, noffset, FIT_OS_PROP, len); 2126 *os = -1; 2127 return -1; 2128 } 2129 2130 /* Translate OS name to id */ 2131 *os = genimg_get_os_id (data); 2132 return 0; 2133 } 2134 2135 /** 2136 * fit_image_get_arch - get arch id for a given component image node 2137 * @fit: pointer to the FIT format image header 2138 * @noffset: component image node offset 2139 * @arch: pointer to the uint8_t, will hold arch numeric id 2140 * 2141 * fit_image_get_arch() finds arch property in a given component image node. 2142 * If the property is found, its (string) value is translated to the numeric 2143 * id which is returned to the caller. 2144 * 2145 * returns: 2146 * 0, on success 2147 * -1, on failure 2148 */ 2149 int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) 2150 { 2151 int len; 2152 const void *data; 2153 2154 /* Get architecture name from property data */ 2155 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); 2156 if (data == NULL) { 2157 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); 2158 *arch = -1; 2159 return -1; 2160 } 2161 2162 /* Translate architecture name to id */ 2163 *arch = genimg_get_arch_id (data); 2164 return 0; 2165 } 2166 2167 /** 2168 * fit_image_get_type - get type id for a given component image node 2169 * @fit: pointer to the FIT format image header 2170 * @noffset: component image node offset 2171 * @type: pointer to the uint8_t, will hold type numeric id 2172 * 2173 * fit_image_get_type() finds type property in a given component image node. 2174 * If the property is found, its (string) value is translated to the numeric 2175 * id which is returned to the caller. 2176 * 2177 * returns: 2178 * 0, on success 2179 * -1, on failure 2180 */ 2181 int fit_image_get_type (const void *fit, int noffset, uint8_t *type) 2182 { 2183 int len; 2184 const void *data; 2185 2186 /* Get image type name from property data */ 2187 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); 2188 if (data == NULL) { 2189 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); 2190 *type = -1; 2191 return -1; 2192 } 2193 2194 /* Translate image type name to id */ 2195 *type = genimg_get_type_id (data); 2196 return 0; 2197 } 2198 2199 /** 2200 * fit_image_get_comp - get comp id for a given component image node 2201 * @fit: pointer to the FIT format image header 2202 * @noffset: component image node offset 2203 * @comp: pointer to the uint8_t, will hold comp numeric id 2204 * 2205 * fit_image_get_comp() finds comp property in a given component image node. 2206 * If the property is found, its (string) value is translated to the numeric 2207 * id which is returned to the caller. 2208 * 2209 * returns: 2210 * 0, on success 2211 * -1, on failure 2212 */ 2213 int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) 2214 { 2215 int len; 2216 const void *data; 2217 2218 /* Get compression name from property data */ 2219 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); 2220 if (data == NULL) { 2221 fit_get_debug (fit, noffset, FIT_COMP_PROP, len); 2222 *comp = -1; 2223 return -1; 2224 } 2225 2226 /* Translate compression name to id */ 2227 *comp = genimg_get_comp_id (data); 2228 return 0; 2229 } 2230 2231 /** 2232 * fit_image_get_load - get load address property for a given component image node 2233 * @fit: pointer to the FIT format image header 2234 * @noffset: component image node offset 2235 * @load: pointer to the uint32_t, will hold load address 2236 * 2237 * fit_image_get_load() finds load address property in a given component image node. 2238 * If the property is found, its value is returned to the caller. 2239 * 2240 * returns: 2241 * 0, on success 2242 * -1, on failure 2243 */ 2244 int fit_image_get_load (const void *fit, int noffset, ulong *load) 2245 { 2246 int len; 2247 const uint32_t *data; 2248 2249 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); 2250 if (data == NULL) { 2251 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); 2252 return -1; 2253 } 2254 2255 *load = uimage_to_cpu (*data); 2256 return 0; 2257 } 2258 2259 /** 2260 * fit_image_get_entry - get entry point address property for a given component image node 2261 * @fit: pointer to the FIT format image header 2262 * @noffset: component image node offset 2263 * @entry: pointer to the uint32_t, will hold entry point address 2264 * 2265 * fit_image_get_entry() finds entry point address property in a given component image node. 2266 * If the property is found, its value is returned to the caller. 2267 * 2268 * returns: 2269 * 0, on success 2270 * -1, on failure 2271 */ 2272 int fit_image_get_entry (const void *fit, int noffset, ulong *entry) 2273 { 2274 int len; 2275 const uint32_t *data; 2276 2277 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); 2278 if (data == NULL) { 2279 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); 2280 return -1; 2281 } 2282 2283 *entry = uimage_to_cpu (*data); 2284 return 0; 2285 } 2286 2287 /** 2288 * fit_image_get_data - get data property and its size for a given component image node 2289 * @fit: pointer to the FIT format image header 2290 * @noffset: component image node offset 2291 * @data: double pointer to void, will hold data property's data address 2292 * @size: pointer to size_t, will hold data property's data size 2293 * 2294 * fit_image_get_data() finds data property in a given component image node. 2295 * If the property is found its data start address and size are returned to 2296 * the caller. 2297 * 2298 * returns: 2299 * 0, on success 2300 * -1, on failure 2301 */ 2302 int fit_image_get_data (const void *fit, int noffset, 2303 const void **data, size_t *size) 2304 { 2305 int len; 2306 2307 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); 2308 if (*data == NULL) { 2309 fit_get_debug (fit, noffset, FIT_DATA_PROP, len); 2310 *size = 0; 2311 return -1; 2312 } 2313 2314 *size = len; 2315 return 0; 2316 } 2317 2318 /** 2319 * fit_image_hash_get_algo - get hash algorithm name 2320 * @fit: pointer to the FIT format image header 2321 * @noffset: hash node offset 2322 * @algo: double pointer to char, will hold pointer to the algorithm name 2323 * 2324 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 2325 * If the property is found its data start address is returned to the caller. 2326 * 2327 * returns: 2328 * 0, on success 2329 * -1, on failure 2330 */ 2331 int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) 2332 { 2333 int len; 2334 2335 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); 2336 if (*algo == NULL) { 2337 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); 2338 return -1; 2339 } 2340 2341 return 0; 2342 } 2343 2344 /** 2345 * fit_image_hash_get_value - get hash value and length 2346 * @fit: pointer to the FIT format image header 2347 * @noffset: hash node offset 2348 * @value: double pointer to uint8_t, will hold address of a hash value data 2349 * @value_len: pointer to an int, will hold hash data length 2350 * 2351 * fit_image_hash_get_value() finds hash value property in a given hash node. 2352 * If the property is found its data start address and size are returned to 2353 * the caller. 2354 * 2355 * returns: 2356 * 0, on success 2357 * -1, on failure 2358 */ 2359 int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, 2360 int *value_len) 2361 { 2362 int len; 2363 2364 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); 2365 if (*value == NULL) { 2366 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); 2367 *value_len = 0; 2368 return -1; 2369 } 2370 2371 *value_len = len; 2372 return 0; 2373 } 2374 2375 /** 2376 * fit_set_timestamp - set node timestamp property 2377 * @fit: pointer to the FIT format image header 2378 * @noffset: node offset 2379 * @timestamp: timestamp value to be set 2380 * 2381 * fit_set_timestamp() attempts to set timestamp property in the requested 2382 * node and returns operation status to the caller. 2383 * 2384 * returns: 2385 * 0, on success 2386 * -1, on property read failure 2387 */ 2388 int fit_set_timestamp (void *fit, int noffset, time_t timestamp) 2389 { 2390 uint32_t t; 2391 int ret; 2392 2393 t = cpu_to_uimage (timestamp); 2394 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, 2395 sizeof (uint32_t)); 2396 if (ret) { 2397 printf ("Can't set '%s' property for '%s' node (%s)\n", 2398 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), 2399 fdt_strerror (ret)); 2400 return -1; 2401 } 2402 2403 return 0; 2404 } 2405 2406 /** 2407 * calculate_hash - calculate and return hash for provided input data 2408 * @data: pointer to the input data 2409 * @data_len: data length 2410 * @algo: requested hash algorithm 2411 * @value: pointer to the char, will hold hash value data (caller must 2412 * allocate enough free space) 2413 * value_len: length of the calculated hash 2414 * 2415 * calculate_hash() computes input data hash according to the requested algorithm. 2416 * Resulting hash value is placed in caller provided 'value' buffer, length 2417 * of the calculated hash is returned via value_len pointer argument. 2418 * 2419 * returns: 2420 * 0, on success 2421 * -1, when algo is unsupported 2422 */ 2423 static int calculate_hash (const void *data, int data_len, const char *algo, 2424 uint8_t *value, int *value_len) 2425 { 2426 if (strcmp (algo, "crc32") == 0 ) { 2427 *((uint32_t *)value) = crc32_wd (0, data, data_len, 2428 CHUNKSZ_CRC32); 2429 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); 2430 *value_len = 4; 2431 } else if (strcmp (algo, "sha1") == 0 ) { 2432 sha1_csum_wd ((unsigned char *) data, data_len, 2433 (unsigned char *) value, CHUNKSZ_SHA1); 2434 *value_len = 20; 2435 } else if (strcmp (algo, "md5") == 0 ) { 2436 md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5); 2437 *value_len = 16; 2438 } else { 2439 debug ("Unsupported hash alogrithm\n"); 2440 return -1; 2441 } 2442 return 0; 2443 } 2444 2445 #ifdef USE_HOSTCC 2446 /** 2447 * fit_set_hashes - process FIT component image nodes and calculate hashes 2448 * @fit: pointer to the FIT format image header 2449 * 2450 * fit_set_hashes() adds hash values for all component images in the FIT blob. 2451 * Hashes are calculated for all component images which have hash subnodes 2452 * with algorithm property set to one of the supported hash algorithms. 2453 * 2454 * returns 2455 * 0, on success 2456 * libfdt error code, on failure 2457 */ 2458 int fit_set_hashes (void *fit) 2459 { 2460 int images_noffset; 2461 int noffset; 2462 int ndepth; 2463 int ret; 2464 2465 /* Find images parent node offset */ 2466 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2467 if (images_noffset < 0) { 2468 printf ("Can't find images parent node '%s' (%s)\n", 2469 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2470 return images_noffset; 2471 } 2472 2473 /* Process its subnodes, print out component images details */ 2474 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 2475 (noffset >= 0) && (ndepth > 0); 2476 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2477 if (ndepth == 1) { 2478 /* 2479 * Direct child node of the images parent node, 2480 * i.e. component image node. 2481 */ 2482 ret = fit_image_set_hashes (fit, noffset); 2483 if (ret) 2484 return ret; 2485 } 2486 } 2487 2488 return 0; 2489 } 2490 2491 /** 2492 * fit_image_set_hashes - calculate/set hashes for given component image node 2493 * @fit: pointer to the FIT format image header 2494 * @image_noffset: requested component image node 2495 * 2496 * fit_image_set_hashes() adds hash values for an component image node. All 2497 * existing hash subnodes are checked, if algorithm property is set to one of 2498 * the supported hash algorithms, hash value is computed and corresponding 2499 * hash node property is set, for example: 2500 * 2501 * Input component image node structure: 2502 * 2503 * o image@1 (at image_noffset) 2504 * | - data = [binary data] 2505 * o hash@1 2506 * |- algo = "sha1" 2507 * 2508 * Output component image node structure: 2509 * 2510 * o image@1 (at image_noffset) 2511 * | - data = [binary data] 2512 * o hash@1 2513 * |- algo = "sha1" 2514 * |- value = sha1(data) 2515 * 2516 * returns: 2517 * 0 on sucess 2518 * <0 on failure 2519 */ 2520 int fit_image_set_hashes (void *fit, int image_noffset) 2521 { 2522 const void *data; 2523 size_t size; 2524 char *algo; 2525 uint8_t value[FIT_MAX_HASH_LEN]; 2526 int value_len; 2527 int noffset; 2528 int ndepth; 2529 2530 /* Get image data and data length */ 2531 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2532 printf ("Can't get image data/size\n"); 2533 return -1; 2534 } 2535 2536 /* Process all hash subnodes of the component image node */ 2537 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2538 (noffset >= 0) && (ndepth > 0); 2539 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2540 if (ndepth == 1) { 2541 /* Direct child node of the component image node */ 2542 2543 /* 2544 * Check subnode name, must be equal to "hash". 2545 * Multiple hash nodes require unique unit node 2546 * names, e.g. hash@1, hash@2, etc. 2547 */ 2548 if (strncmp (fit_get_name(fit, noffset, NULL), 2549 FIT_HASH_NODENAME, 2550 strlen(FIT_HASH_NODENAME)) != 0) { 2551 /* Not a hash subnode, skip it */ 2552 continue; 2553 } 2554 2555 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2556 printf ("Can't get hash algo property for " 2557 "'%s' hash node in '%s' image node\n", 2558 fit_get_name (fit, noffset, NULL), 2559 fit_get_name (fit, image_noffset, NULL)); 2560 return -1; 2561 } 2562 2563 if (calculate_hash (data, size, algo, value, &value_len)) { 2564 printf ("Unsupported hash algorithm (%s) for " 2565 "'%s' hash node in '%s' image node\n", 2566 algo, fit_get_name (fit, noffset, NULL), 2567 fit_get_name (fit, image_noffset, NULL)); 2568 return -1; 2569 } 2570 2571 if (fit_image_hash_set_value (fit, noffset, value, 2572 value_len)) { 2573 printf ("Can't set hash value for " 2574 "'%s' hash node in '%s' image node\n", 2575 fit_get_name (fit, noffset, NULL), 2576 fit_get_name (fit, image_noffset, NULL)); 2577 return -1; 2578 } 2579 } 2580 } 2581 2582 return 0; 2583 } 2584 2585 /** 2586 * fit_image_hash_set_value - set hash value in requested has node 2587 * @fit: pointer to the FIT format image header 2588 * @noffset: hash node offset 2589 * @value: hash value to be set 2590 * @value_len: hash value length 2591 * 2592 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2593 * given and returns operation status to the caller. 2594 * 2595 * returns 2596 * 0, on success 2597 * -1, on failure 2598 */ 2599 int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, 2600 int value_len) 2601 { 2602 int ret; 2603 2604 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); 2605 if (ret) { 2606 printf ("Can't set hash '%s' property for '%s' node (%s)\n", 2607 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), 2608 fdt_strerror (ret)); 2609 return -1; 2610 } 2611 2612 return 0; 2613 } 2614 #endif /* USE_HOSTCC */ 2615 2616 /** 2617 * fit_image_check_hashes - verify data intergity 2618 * @fit: pointer to the FIT format image header 2619 * @image_noffset: component image node offset 2620 * 2621 * fit_image_check_hashes() goes over component image hash nodes, 2622 * re-calculates each data hash and compares with the value stored in hash 2623 * node. 2624 * 2625 * returns: 2626 * 1, if all hashes are valid 2627 * 0, otherwise (or on error) 2628 */ 2629 int fit_image_check_hashes (const void *fit, int image_noffset) 2630 { 2631 const void *data; 2632 size_t size; 2633 char *algo; 2634 uint8_t *fit_value; 2635 int fit_value_len; 2636 uint8_t value[FIT_MAX_HASH_LEN]; 2637 int value_len; 2638 int noffset; 2639 int ndepth; 2640 char *err_msg = ""; 2641 2642 /* Get image data and data length */ 2643 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2644 printf ("Can't get image data/size\n"); 2645 return 0; 2646 } 2647 2648 /* Process all hash subnodes of the component image node */ 2649 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2650 (noffset >= 0) && (ndepth > 0); 2651 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2652 if (ndepth == 1) { 2653 /* Direct child node of the component image node */ 2654 2655 /* 2656 * Check subnode name, must be equal to "hash". 2657 * Multiple hash nodes require unique unit node 2658 * names, e.g. hash@1, hash@2, etc. 2659 */ 2660 if (strncmp (fit_get_name(fit, noffset, NULL), 2661 FIT_HASH_NODENAME, 2662 strlen(FIT_HASH_NODENAME)) != 0) 2663 continue; 2664 2665 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2666 err_msg = " error!\nCan't get hash algo " 2667 "property"; 2668 goto error; 2669 } 2670 printf ("%s", algo); 2671 2672 if (fit_image_hash_get_value (fit, noffset, &fit_value, 2673 &fit_value_len)) { 2674 err_msg = " error!\nCan't get hash value " 2675 "property"; 2676 goto error; 2677 } 2678 2679 if (calculate_hash (data, size, algo, value, &value_len)) { 2680 err_msg = " error!\nUnsupported hash algorithm"; 2681 goto error; 2682 } 2683 2684 if (value_len != fit_value_len) { 2685 err_msg = " error !\nBad hash value len"; 2686 goto error; 2687 } else if (memcmp (value, fit_value, value_len) != 0) { 2688 err_msg = " error!\nBad hash value"; 2689 goto error; 2690 } 2691 printf ("+ "); 2692 } 2693 } 2694 2695 return 1; 2696 2697 error: 2698 printf ("%s for '%s' hash node in '%s' image node\n", 2699 err_msg, fit_get_name (fit, noffset, NULL), 2700 fit_get_name (fit, image_noffset, NULL)); 2701 return 0; 2702 } 2703 2704 /** 2705 * fit_all_image_check_hashes - verify data intergity for all images 2706 * @fit: pointer to the FIT format image header 2707 * 2708 * fit_all_image_check_hashes() goes over all images in the FIT and 2709 * for every images checks if all it's hashes are valid. 2710 * 2711 * returns: 2712 * 1, if all hashes of all images are valid 2713 * 0, otherwise (or on error) 2714 */ 2715 int fit_all_image_check_hashes (const void *fit) 2716 { 2717 int images_noffset; 2718 int noffset; 2719 int ndepth; 2720 int count; 2721 2722 /* Find images parent node offset */ 2723 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2724 if (images_noffset < 0) { 2725 printf ("Can't find images parent node '%s' (%s)\n", 2726 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2727 return 0; 2728 } 2729 2730 /* Process all image subnodes, check hashes for each */ 2731 printf ("## Checking hash(es) for FIT Image at %08lx ...\n", 2732 (ulong)fit); 2733 for (ndepth = 0, count = 0, 2734 noffset = fdt_next_node (fit, images_noffset, &ndepth); 2735 (noffset >= 0) && (ndepth > 0); 2736 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2737 if (ndepth == 1) { 2738 /* 2739 * Direct child node of the images parent node, 2740 * i.e. component image node. 2741 */ 2742 printf (" Hash(es) for Image %u (%s): ", count++, 2743 fit_get_name (fit, noffset, NULL)); 2744 2745 if (!fit_image_check_hashes (fit, noffset)) 2746 return 0; 2747 printf ("\n"); 2748 } 2749 } 2750 return 1; 2751 } 2752 2753 /** 2754 * fit_image_check_os - check whether image node is of a given os type 2755 * @fit: pointer to the FIT format image header 2756 * @noffset: component image node offset 2757 * @os: requested image os 2758 * 2759 * fit_image_check_os() reads image os property and compares its numeric 2760 * id with the requested os. Comparison result is returned to the caller. 2761 * 2762 * returns: 2763 * 1 if image is of given os type 2764 * 0 otherwise (or on error) 2765 */ 2766 int fit_image_check_os (const void *fit, int noffset, uint8_t os) 2767 { 2768 uint8_t image_os; 2769 2770 if (fit_image_get_os (fit, noffset, &image_os)) 2771 return 0; 2772 return (os == image_os); 2773 } 2774 2775 /** 2776 * fit_image_check_arch - check whether image node is of a given arch 2777 * @fit: pointer to the FIT format image header 2778 * @noffset: component image node offset 2779 * @arch: requested imagearch 2780 * 2781 * fit_image_check_arch() reads image arch property and compares its numeric 2782 * id with the requested arch. Comparison result is returned to the caller. 2783 * 2784 * returns: 2785 * 1 if image is of given arch 2786 * 0 otherwise (or on error) 2787 */ 2788 int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) 2789 { 2790 uint8_t image_arch; 2791 2792 if (fit_image_get_arch (fit, noffset, &image_arch)) 2793 return 0; 2794 return (arch == image_arch); 2795 } 2796 2797 /** 2798 * fit_image_check_type - check whether image node is of a given type 2799 * @fit: pointer to the FIT format image header 2800 * @noffset: component image node offset 2801 * @type: requested image type 2802 * 2803 * fit_image_check_type() reads image type property and compares its numeric 2804 * id with the requested type. Comparison result is returned to the caller. 2805 * 2806 * returns: 2807 * 1 if image is of given type 2808 * 0 otherwise (or on error) 2809 */ 2810 int fit_image_check_type (const void *fit, int noffset, uint8_t type) 2811 { 2812 uint8_t image_type; 2813 2814 if (fit_image_get_type (fit, noffset, &image_type)) 2815 return 0; 2816 return (type == image_type); 2817 } 2818 2819 /** 2820 * fit_image_check_comp - check whether image node uses given compression 2821 * @fit: pointer to the FIT format image header 2822 * @noffset: component image node offset 2823 * @comp: requested image compression type 2824 * 2825 * fit_image_check_comp() reads image compression property and compares its 2826 * numeric id with the requested compression type. Comparison result is 2827 * returned to the caller. 2828 * 2829 * returns: 2830 * 1 if image uses requested compression 2831 * 0 otherwise (or on error) 2832 */ 2833 int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) 2834 { 2835 uint8_t image_comp; 2836 2837 if (fit_image_get_comp (fit, noffset, &image_comp)) 2838 return 0; 2839 return (comp == image_comp); 2840 } 2841 2842 /** 2843 * fit_check_format - sanity check FIT image format 2844 * @fit: pointer to the FIT format image header 2845 * 2846 * fit_check_format() runs a basic sanity FIT image verification. 2847 * Routine checks for mandatory properties, nodes, etc. 2848 * 2849 * returns: 2850 * 1, on success 2851 * 0, on failure 2852 */ 2853 int fit_check_format (const void *fit) 2854 { 2855 /* mandatory / node 'description' property */ 2856 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2857 debug ("Wrong FIT format: no description\n"); 2858 return 0; 2859 } 2860 2861 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2862 /* mandatory / node 'timestamp' property */ 2863 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2864 debug ("Wrong FIT format: no timestamp\n"); 2865 return 0; 2866 } 2867 #endif 2868 2869 /* mandatory subimages parent '/images' node */ 2870 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { 2871 debug ("Wrong FIT format: no images parent node\n"); 2872 return 0; 2873 } 2874 2875 return 1; 2876 } 2877 2878 /** 2879 * fit_conf_get_node - get node offset for configuration of a given unit name 2880 * @fit: pointer to the FIT format image header 2881 * @conf_uname: configuration node unit name 2882 * 2883 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2884 * parant node) of a provided unit name. If configuration is found its node offset 2885 * is returned to the caller. 2886 * 2887 * When NULL is provided in second argument fit_conf_get_node() will search 2888 * for a default configuration node instead. Default configuration node unit name 2889 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2890 * 2891 * returns: 2892 * configuration node offset when found (>=0) 2893 * negative number on failure (FDT_ERR_* code) 2894 */ 2895 int fit_conf_get_node (const void *fit, const char *conf_uname) 2896 { 2897 int noffset, confs_noffset; 2898 int len; 2899 2900 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 2901 if (confs_noffset < 0) { 2902 debug ("Can't find configurations parent node '%s' (%s)\n", 2903 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 2904 return confs_noffset; 2905 } 2906 2907 if (conf_uname == NULL) { 2908 /* get configuration unit name from the default property */ 2909 debug ("No configuration specified, trying default...\n"); 2910 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); 2911 if (conf_uname == NULL) { 2912 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); 2913 return len; 2914 } 2915 debug ("Found default configuration: '%s'\n", conf_uname); 2916 } 2917 2918 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); 2919 if (noffset < 0) { 2920 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", 2921 conf_uname, fdt_strerror (noffset)); 2922 } 2923 2924 return noffset; 2925 } 2926 2927 static int __fit_conf_get_prop_node (const void *fit, int noffset, 2928 const char *prop_name) 2929 { 2930 char *uname; 2931 int len; 2932 2933 /* get kernel image unit name from configuration kernel property */ 2934 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); 2935 if (uname == NULL) 2936 return len; 2937 2938 return fit_image_get_node (fit, uname); 2939 } 2940 2941 /** 2942 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 2943 * a given configuration 2944 * @fit: pointer to the FIT format image header 2945 * @noffset: configuration node offset 2946 * 2947 * fit_conf_get_kernel_node() retrives kernel image node unit name from 2948 * configuration FIT_KERNEL_PROP property and translates it to the node 2949 * offset. 2950 * 2951 * returns: 2952 * image node offset when found (>=0) 2953 * negative number on failure (FDT_ERR_* code) 2954 */ 2955 int fit_conf_get_kernel_node (const void *fit, int noffset) 2956 { 2957 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); 2958 } 2959 2960 /** 2961 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 2962 * a given configuration 2963 * @fit: pointer to the FIT format image header 2964 * @noffset: configuration node offset 2965 * 2966 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 2967 * configuration FIT_KERNEL_PROP property and translates it to the node 2968 * offset. 2969 * 2970 * returns: 2971 * image node offset when found (>=0) 2972 * negative number on failure (FDT_ERR_* code) 2973 */ 2974 int fit_conf_get_ramdisk_node (const void *fit, int noffset) 2975 { 2976 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); 2977 } 2978 2979 /** 2980 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 2981 * a given configuration 2982 * @fit: pointer to the FIT format image header 2983 * @noffset: configuration node offset 2984 * 2985 * fit_conf_get_fdt_node() retrives fdt image node unit name from 2986 * configuration FIT_KERNEL_PROP property and translates it to the node 2987 * offset. 2988 * 2989 * returns: 2990 * image node offset when found (>=0) 2991 * negative number on failure (FDT_ERR_* code) 2992 */ 2993 int fit_conf_get_fdt_node (const void *fit, int noffset) 2994 { 2995 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); 2996 } 2997 2998 /** 2999 * fit_conf_print - prints out the FIT configuration details 3000 * @fit: pointer to the FIT format image header 3001 * @noffset: offset of the configuration node 3002 * @p: pointer to prefix string 3003 * 3004 * fit_conf_print() lists all mandatory properies for the processed 3005 * configuration node. 3006 * 3007 * returns: 3008 * no returned results 3009 */ 3010 void fit_conf_print (const void *fit, int noffset, const char *p) 3011 { 3012 char *desc; 3013 char *uname; 3014 int ret; 3015 3016 /* Mandatory properties */ 3017 ret = fit_get_desc (fit, noffset, &desc); 3018 printf ("%s Description: ", p); 3019 if (ret) 3020 printf ("unavailable\n"); 3021 else 3022 printf ("%s\n", desc); 3023 3024 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); 3025 printf ("%s Kernel: ", p); 3026 if (uname == NULL) 3027 printf ("unavailable\n"); 3028 else 3029 printf ("%s\n", uname); 3030 3031 /* Optional properties */ 3032 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); 3033 if (uname) 3034 printf ("%s Init Ramdisk: %s\n", p, uname); 3035 3036 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); 3037 if (uname) 3038 printf ("%s FDT: %s\n", p, uname); 3039 } 3040 3041 /** 3042 * fit_check_ramdisk - verify FIT format ramdisk subimage 3043 * @fit_hdr: pointer to the FIT ramdisk header 3044 * @rd_noffset: ramdisk subimage node offset within FIT image 3045 * @arch: requested ramdisk image architecture type 3046 * @verify: data CRC verification flag 3047 * 3048 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 3049 * specified FIT image. 3050 * 3051 * returns: 3052 * 1, on success 3053 * 0, on failure 3054 */ 3055 #ifndef USE_HOSTCC 3056 static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) 3057 { 3058 fit_image_print (fit, rd_noffset, " "); 3059 3060 if (verify) { 3061 puts (" Verifying Hash Integrity ... "); 3062 if (!fit_image_check_hashes (fit, rd_noffset)) { 3063 puts ("Bad Data Hash\n"); 3064 show_boot_progress (-125); 3065 return 0; 3066 } 3067 puts ("OK\n"); 3068 } 3069 3070 show_boot_progress (126); 3071 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || 3072 !fit_image_check_arch (fit, rd_noffset, arch) || 3073 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { 3074 printf ("No Linux %s Ramdisk Image\n", 3075 genimg_get_arch_name(arch)); 3076 show_boot_progress (-126); 3077 return 0; 3078 } 3079 3080 show_boot_progress (127); 3081 return 1; 3082 } 3083 #endif /* USE_HOSTCC */ 3084 #endif /* CONFIG_FIT */ 3085