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