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_NIOS2, "nios2", "NIOS II", }, 88 { IH_ARCH_PPC, "powerpc", "PowerPC", }, 89 { IH_ARCH_PPC, "ppc", "PowerPC", }, 90 { IH_ARCH_S390, "s390", "IBM S390", }, 91 { IH_ARCH_SH, "sh", "SuperH", }, 92 { IH_ARCH_SPARC, "sparc", "SPARC", }, 93 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, 94 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, 95 { IH_ARCH_AVR32, "avr32", "AVR32", }, 96 { -1, "", "", }, 97 }; 98 99 static table_entry_t uimage_os[] = { 100 { IH_OS_INVALID, NULL, "Invalid OS", }, 101 { IH_OS_LINUX, "linux", "Linux", }, 102 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 103 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 104 #endif 105 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 106 { IH_OS_RTEMS, "rtems", "RTEMS", }, 107 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 108 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 109 { IH_OS_QNX, "qnx", "QNX", }, 110 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 111 #endif 112 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC) 113 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", }, 114 #endif 115 #ifdef USE_HOSTCC 116 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 117 { IH_OS_DELL, "dell", "Dell", }, 118 { IH_OS_ESIX, "esix", "Esix", }, 119 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 120 { IH_OS_IRIX, "irix", "Irix", }, 121 { IH_OS_NCR, "ncr", "NCR", }, 122 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 123 { IH_OS_PSOS, "psos", "pSOS", }, 124 { IH_OS_SCO, "sco", "SCO", }, 125 { IH_OS_SOLARIS, "solaris", "Solaris", }, 126 { IH_OS_SVR4, "svr4", "SVR4", }, 127 #endif 128 { -1, "", "", }, 129 }; 130 131 static table_entry_t uimage_type[] = { 132 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 133 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 134 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 135 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 136 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 137 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 138 { IH_TYPE_SCRIPT, "script", "Script", }, 139 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 140 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 141 { IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",}, 142 { IH_TYPE_IMXIMAGE, "imximage", "Freescale i.MX Boot Image",}, 143 { -1, "", "", }, 144 }; 145 146 static table_entry_t uimage_comp[] = { 147 { IH_COMP_NONE, "none", "uncompressed", }, 148 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 149 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 150 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 151 { IH_COMP_LZO, "lzo", "lzo compressed", }, 152 { -1, "", "", }, 153 }; 154 155 uint32_t crc32 (uint32_t, const unsigned char *, uint); 156 uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint); 157 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 158 static void genimg_print_time (time_t timestamp); 159 #endif 160 161 /*****************************************************************************/ 162 /* Legacy format routines */ 163 /*****************************************************************************/ 164 int image_check_hcrc (const image_header_t *hdr) 165 { 166 ulong hcrc; 167 ulong len = image_get_header_size (); 168 image_header_t header; 169 170 /* Copy header so we can blank CRC field for re-calculation */ 171 memmove (&header, (char *)hdr, image_get_header_size ()); 172 image_set_hcrc (&header, 0); 173 174 hcrc = crc32 (0, (unsigned char *)&header, len); 175 176 return (hcrc == image_get_hcrc (hdr)); 177 } 178 179 int image_check_dcrc (const image_header_t *hdr) 180 { 181 ulong data = image_get_data (hdr); 182 ulong len = image_get_data_size (hdr); 183 ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32); 184 185 return (dcrc == image_get_dcrc (hdr)); 186 } 187 188 /** 189 * image_multi_count - get component (sub-image) count 190 * @hdr: pointer to the header of the multi component image 191 * 192 * image_multi_count() returns number of components in a multi 193 * component image. 194 * 195 * Note: no checking of the image type is done, caller must pass 196 * a valid multi component image. 197 * 198 * returns: 199 * number of components 200 */ 201 ulong image_multi_count (const image_header_t *hdr) 202 { 203 ulong i, count = 0; 204 uint32_t *size; 205 206 /* get start of the image payload, which in case of multi 207 * component images that points to a table of component sizes */ 208 size = (uint32_t *)image_get_data (hdr); 209 210 /* count non empty slots */ 211 for (i = 0; size[i]; ++i) 212 count++; 213 214 return count; 215 } 216 217 /** 218 * image_multi_getimg - get component data address and size 219 * @hdr: pointer to the header of the multi component image 220 * @idx: index of the requested component 221 * @data: pointer to a ulong variable, will hold component data address 222 * @len: pointer to a ulong variable, will hold component size 223 * 224 * image_multi_getimg() returns size and data address for the requested 225 * component in a multi component image. 226 * 227 * Note: no checking of the image type is done, caller must pass 228 * a valid multi component image. 229 * 230 * returns: 231 * data address and size of the component, if idx is valid 232 * 0 in data and len, if idx is out of range 233 */ 234 void image_multi_getimg (const image_header_t *hdr, ulong idx, 235 ulong *data, ulong *len) 236 { 237 int i; 238 uint32_t *size; 239 ulong offset, count, img_data; 240 241 /* get number of component */ 242 count = image_multi_count (hdr); 243 244 /* get start of the image payload, which in case of multi 245 * component images that points to a table of component sizes */ 246 size = (uint32_t *)image_get_data (hdr); 247 248 /* get address of the proper component data start, which means 249 * skipping sizes table (add 1 for last, null entry) */ 250 img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t); 251 252 if (idx < count) { 253 *len = uimage_to_cpu (size[idx]); 254 offset = 0; 255 256 /* go over all indices preceding requested component idx */ 257 for (i = 0; i < idx; i++) { 258 /* add up i-th component size, rounding up to 4 bytes */ 259 offset += (uimage_to_cpu (size[i]) + 3) & ~3 ; 260 } 261 262 /* calculate idx-th component data address */ 263 *data = img_data + offset; 264 } else { 265 *len = 0; 266 *data = 0; 267 } 268 } 269 270 static void image_print_type (const image_header_t *hdr) 271 { 272 const char *os, *arch, *type, *comp; 273 274 os = genimg_get_os_name (image_get_os (hdr)); 275 arch = genimg_get_arch_name (image_get_arch (hdr)); 276 type = genimg_get_type_name (image_get_type (hdr)); 277 comp = genimg_get_comp_name (image_get_comp (hdr)); 278 279 printf ("%s %s %s (%s)\n", arch, os, type, comp); 280 } 281 282 /** 283 * image_print_contents - prints out the contents of the legacy format image 284 * @ptr: pointer to the legacy format image header 285 * @p: pointer to prefix string 286 * 287 * image_print_contents() formats a multi line legacy image contents description. 288 * The routine prints out all header fields followed by the size/offset data 289 * for MULTI/SCRIPT images. 290 * 291 * returns: 292 * no returned results 293 */ 294 void image_print_contents (const void *ptr) 295 { 296 const image_header_t *hdr = (const image_header_t *)ptr; 297 const char *p; 298 299 #ifdef USE_HOSTCC 300 p = ""; 301 #else 302 p = " "; 303 #endif 304 305 printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); 306 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 307 printf ("%sCreated: ", p); 308 genimg_print_time ((time_t)image_get_time (hdr)); 309 #endif 310 printf ("%sImage Type: ", p); 311 image_print_type (hdr); 312 printf ("%sData Size: ", p); 313 genimg_print_size (image_get_data_size (hdr)); 314 printf ("%sLoad Address: %08x\n", p, image_get_load (hdr)); 315 printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr)); 316 317 if (image_check_type (hdr, IH_TYPE_MULTI) || 318 image_check_type (hdr, IH_TYPE_SCRIPT)) { 319 int i; 320 ulong data, len; 321 ulong count = image_multi_count (hdr); 322 323 printf ("%sContents:\n", p); 324 for (i = 0; i < count; i++) { 325 image_multi_getimg (hdr, i, &data, &len); 326 327 printf ("%s Image %d: ", p, i); 328 genimg_print_size (len); 329 330 if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { 331 /* 332 * the user may need to know offsets 333 * if planning to do something with 334 * multiple files 335 */ 336 printf ("%s Offset = 0x%08lx\n", p, data); 337 } 338 } 339 } 340 } 341 342 343 #ifndef USE_HOSTCC 344 /** 345 * image_get_ramdisk - get and verify ramdisk image 346 * @rd_addr: ramdisk image start address 347 * @arch: expected ramdisk architecture 348 * @verify: checksum verification flag 349 * 350 * image_get_ramdisk() returns a pointer to the verified ramdisk image 351 * header. Routine receives image start address and expected architecture 352 * flag. Verification done covers data and header integrity and os/type/arch 353 * fields checking. 354 * 355 * If dataflash support is enabled routine checks for dataflash addresses 356 * and handles required dataflash reads. 357 * 358 * returns: 359 * pointer to a ramdisk image header, if image was found and valid 360 * otherwise, return NULL 361 */ 362 static const image_header_t *image_get_ramdisk (ulong rd_addr, uint8_t arch, 363 int verify) 364 { 365 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 366 367 if (!image_check_magic (rd_hdr)) { 368 puts ("Bad Magic Number\n"); 369 show_boot_progress (-10); 370 return NULL; 371 } 372 373 if (!image_check_hcrc (rd_hdr)) { 374 puts ("Bad Header Checksum\n"); 375 show_boot_progress (-11); 376 return NULL; 377 } 378 379 show_boot_progress (10); 380 image_print_contents (rd_hdr); 381 382 if (verify) { 383 puts(" Verifying Checksum ... "); 384 if (!image_check_dcrc (rd_hdr)) { 385 puts ("Bad Data CRC\n"); 386 show_boot_progress (-12); 387 return NULL; 388 } 389 puts("OK\n"); 390 } 391 392 show_boot_progress (11); 393 394 if (!image_check_os (rd_hdr, IH_OS_LINUX) || 395 !image_check_arch (rd_hdr, arch) || 396 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { 397 printf ("No Linux %s Ramdisk Image\n", 398 genimg_get_arch_name(arch)); 399 show_boot_progress (-13); 400 return NULL; 401 } 402 403 return rd_hdr; 404 } 405 #endif /* !USE_HOSTCC */ 406 407 /*****************************************************************************/ 408 /* Shared dual-format routines */ 409 /*****************************************************************************/ 410 #ifndef USE_HOSTCC 411 int getenv_yesno (char *var) 412 { 413 char *s = getenv (var); 414 return (s && (*s == 'n')) ? 0 : 1; 415 } 416 417 ulong getenv_bootm_low(void) 418 { 419 char *s = getenv ("bootm_low"); 420 if (s) { 421 ulong tmp = simple_strtoul (s, NULL, 16); 422 return tmp; 423 } 424 425 #if defined(CONFIG_SYS_SDRAM_BASE) 426 return CONFIG_SYS_SDRAM_BASE; 427 #elif defined(CONFIG_ARM) 428 return gd->bd->bi_dram[0].start; 429 #else 430 return 0; 431 #endif 432 } 433 434 phys_size_t getenv_bootm_size(void) 435 { 436 char *s = getenv ("bootm_size"); 437 if (s) { 438 phys_size_t tmp; 439 tmp = (phys_size_t)simple_strtoull (s, NULL, 16); 440 return tmp; 441 } 442 443 #if defined(CONFIG_ARM) 444 return gd->bd->bi_dram[0].size; 445 #else 446 return gd->bd->bi_memsize; 447 #endif 448 } 449 450 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 451 { 452 if (to == from) 453 return; 454 455 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 456 while (len > 0) { 457 size_t tail = (len > chunksz) ? chunksz : len; 458 WATCHDOG_RESET (); 459 memmove (to, from, tail); 460 to += tail; 461 from += tail; 462 len -= tail; 463 } 464 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 465 memmove (to, from, len); 466 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 467 } 468 #endif /* !USE_HOSTCC */ 469 470 void genimg_print_size (uint32_t size) 471 { 472 #ifndef USE_HOSTCC 473 printf ("%d Bytes = ", size); 474 print_size (size, "\n"); 475 #else 476 printf ("%d Bytes = %.2f kB = %.2f MB\n", 477 size, (double)size / 1.024e3, 478 (double)size / 1.048576e6); 479 #endif 480 } 481 482 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 483 static void genimg_print_time (time_t timestamp) 484 { 485 #ifndef USE_HOSTCC 486 struct rtc_time tm; 487 488 to_tm (timestamp, &tm); 489 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 490 tm.tm_year, tm.tm_mon, tm.tm_mday, 491 tm.tm_hour, tm.tm_min, tm.tm_sec); 492 #else 493 printf ("%s", ctime(×tamp)); 494 #endif 495 } 496 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 497 498 /** 499 * get_table_entry_name - translate entry id to long name 500 * @table: pointer to a translation table for entries of a specific type 501 * @msg: message to be returned when translation fails 502 * @id: entry id to be translated 503 * 504 * get_table_entry_name() will go over translation table trying to find 505 * entry that matches given id. If matching entry is found, its long 506 * name is returned to the caller. 507 * 508 * returns: 509 * long entry name if translation succeeds 510 * msg otherwise 511 */ 512 char *get_table_entry_name (table_entry_t *table, char *msg, int id) 513 { 514 for (; table->id >= 0; ++table) { 515 if (table->id == id) 516 #if defined(USE_HOSTCC) || defined(CONFIG_RELOC_FIXUP_WORKS) 517 return table->lname; 518 #else 519 return table->lname + gd->reloc_off; 520 #endif 521 } 522 return (msg); 523 } 524 525 const char *genimg_get_os_name (uint8_t os) 526 { 527 return (get_table_entry_name (uimage_os, "Unknown OS", os)); 528 } 529 530 const char *genimg_get_arch_name (uint8_t arch) 531 { 532 return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); 533 } 534 535 const char *genimg_get_type_name (uint8_t type) 536 { 537 return (get_table_entry_name (uimage_type, "Unknown Image", type)); 538 } 539 540 const char *genimg_get_comp_name (uint8_t comp) 541 { 542 return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); 543 } 544 545 /** 546 * get_table_entry_id - translate short entry name to id 547 * @table: pointer to a translation table for entries of a specific type 548 * @table_name: to be used in case of error 549 * @name: entry short name to be translated 550 * 551 * get_table_entry_id() will go over translation table trying to find 552 * entry that matches given short name. If matching entry is found, 553 * its id returned to the caller. 554 * 555 * returns: 556 * entry id if translation succeeds 557 * -1 otherwise 558 */ 559 int get_table_entry_id (table_entry_t *table, 560 const char *table_name, const char *name) 561 { 562 table_entry_t *t; 563 #ifdef USE_HOSTCC 564 int first = 1; 565 566 for (t = table; t->id >= 0; ++t) { 567 if (t->sname && strcasecmp(t->sname, name) == 0) 568 return (t->id); 569 } 570 571 fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); 572 for (t = table; t->id >= 0; ++t) { 573 if (t->sname == NULL) 574 continue; 575 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); 576 first = 0; 577 } 578 fprintf (stderr, "\n"); 579 #else 580 for (t = table; t->id >= 0; ++t) { 581 #ifdef CONFIG_RELOC_FIXUP_WORKS 582 if (t->sname && strcmp(t->sname, name) == 0) 583 #else 584 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) 585 #endif 586 return (t->id); 587 } 588 debug ("Invalid %s Type: %s\n", table_name, name); 589 #endif /* USE_HOSTCC */ 590 return (-1); 591 } 592 593 int genimg_get_os_id (const char *name) 594 { 595 return (get_table_entry_id (uimage_os, "OS", name)); 596 } 597 598 int genimg_get_arch_id (const char *name) 599 { 600 return (get_table_entry_id (uimage_arch, "CPU", name)); 601 } 602 603 int genimg_get_type_id (const char *name) 604 { 605 return (get_table_entry_id (uimage_type, "Image", name)); 606 } 607 608 int genimg_get_comp_id (const char *name) 609 { 610 return (get_table_entry_id (uimage_comp, "Compression", name)); 611 } 612 613 #ifndef USE_HOSTCC 614 /** 615 * genimg_get_format - get image format type 616 * @img_addr: image start address 617 * 618 * genimg_get_format() checks whether provided address points to a valid 619 * legacy or FIT image. 620 * 621 * New uImage format and FDT blob are based on a libfdt. FDT blob 622 * may be passed directly or embedded in a FIT image. In both situations 623 * genimg_get_format() must be able to dectect libfdt header. 624 * 625 * returns: 626 * image format type or IMAGE_FORMAT_INVALID if no image is present 627 */ 628 int genimg_get_format (void *img_addr) 629 { 630 ulong format = IMAGE_FORMAT_INVALID; 631 const image_header_t *hdr; 632 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 633 char *fit_hdr; 634 #endif 635 636 hdr = (const image_header_t *)img_addr; 637 if (image_check_magic(hdr)) 638 format = IMAGE_FORMAT_LEGACY; 639 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 640 else { 641 fit_hdr = (char *)img_addr; 642 if (fdt_check_header (fit_hdr) == 0) 643 format = IMAGE_FORMAT_FIT; 644 } 645 #endif 646 647 return format; 648 } 649 650 /** 651 * genimg_get_image - get image from special storage (if necessary) 652 * @img_addr: image start address 653 * 654 * genimg_get_image() checks if provided image start adddress is located 655 * in a dataflash storage. If so, image is moved to a system RAM memory. 656 * 657 * returns: 658 * image start address after possible relocation from special storage 659 */ 660 ulong genimg_get_image (ulong img_addr) 661 { 662 ulong ram_addr = img_addr; 663 664 #ifdef CONFIG_HAS_DATAFLASH 665 ulong h_size, d_size; 666 667 if (addr_dataflash (img_addr)){ 668 /* ger RAM address */ 669 ram_addr = CONFIG_SYS_LOAD_ADDR; 670 671 /* get header size */ 672 h_size = image_get_header_size (); 673 #if defined(CONFIG_FIT) 674 if (sizeof(struct fdt_header) > h_size) 675 h_size = sizeof(struct fdt_header); 676 #endif 677 678 /* read in header */ 679 debug (" Reading image header from dataflash address " 680 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 681 682 read_dataflash (img_addr, h_size, (char *)ram_addr); 683 684 /* get data size */ 685 switch (genimg_get_format ((void *)ram_addr)) { 686 case IMAGE_FORMAT_LEGACY: 687 d_size = image_get_data_size ((const image_header_t *)ram_addr); 688 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", 689 ram_addr, d_size); 690 break; 691 #if defined(CONFIG_FIT) 692 case IMAGE_FORMAT_FIT: 693 d_size = fit_get_size ((const void *)ram_addr) - h_size; 694 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", 695 ram_addr, d_size); 696 break; 697 #endif 698 default: 699 printf (" No valid image found at 0x%08lx\n", img_addr); 700 return ram_addr; 701 } 702 703 /* read in image data */ 704 debug (" Reading image remaining data from dataflash address " 705 "%08lx to RAM address %08lx\n", img_addr + h_size, 706 ram_addr + h_size); 707 708 read_dataflash (img_addr + h_size, d_size, 709 (char *)(ram_addr + h_size)); 710 711 } 712 #endif /* CONFIG_HAS_DATAFLASH */ 713 714 return ram_addr; 715 } 716 717 /** 718 * fit_has_config - check if there is a valid FIT configuration 719 * @images: pointer to the bootm command headers structure 720 * 721 * fit_has_config() checks if there is a FIT configuration in use 722 * (if FTI support is present). 723 * 724 * returns: 725 * 0, no FIT support or no configuration found 726 * 1, configuration found 727 */ 728 int genimg_has_config (bootm_headers_t *images) 729 { 730 #if defined(CONFIG_FIT) 731 if (images->fit_uname_cfg) 732 return 1; 733 #endif 734 return 0; 735 } 736 737 /** 738 * boot_get_ramdisk - main ramdisk handling routine 739 * @argc: command argument count 740 * @argv: command argument list 741 * @images: pointer to the bootm images structure 742 * @arch: expected ramdisk architecture 743 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 744 * @rd_end: pointer to a ulong variable, will hold ramdisk end 745 * 746 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 747 * Curently supported are the following ramdisk sources: 748 * - multicomponent kernel/ramdisk image, 749 * - commandline provided address of decicated ramdisk image. 750 * 751 * returns: 752 * 0, if ramdisk image was found and valid, or skiped 753 * rd_start and rd_end are set to ramdisk start/end addresses if 754 * ramdisk image is found and valid 755 * 756 * 1, if ramdisk image is found but corrupted, or invalid 757 * rd_start and rd_end are set to 0 if no ramdisk exists 758 */ 759 int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images, 760 uint8_t arch, ulong *rd_start, ulong *rd_end) 761 { 762 ulong rd_addr, rd_load; 763 ulong rd_data, rd_len; 764 const image_header_t *rd_hdr; 765 #if defined(CONFIG_FIT) 766 void *fit_hdr; 767 const char *fit_uname_config = NULL; 768 const char *fit_uname_ramdisk = NULL; 769 ulong default_addr; 770 int rd_noffset; 771 int cfg_noffset; 772 const void *data; 773 size_t size; 774 #endif 775 776 *rd_start = 0; 777 *rd_end = 0; 778 779 /* 780 * Look for a '-' which indicates to ignore the 781 * ramdisk argument 782 */ 783 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 784 debug ("## Skipping init Ramdisk\n"); 785 rd_len = rd_data = 0; 786 } else if (argc >= 3 || genimg_has_config (images)) { 787 #if defined(CONFIG_FIT) 788 if (argc >= 3) { 789 /* 790 * If the init ramdisk comes from the FIT image and 791 * the FIT image address is omitted in the command 792 * line argument, try to use os FIT image address or 793 * default load address. 794 */ 795 if (images->fit_uname_os) 796 default_addr = (ulong)images->fit_hdr_os; 797 else 798 default_addr = load_addr; 799 800 if (fit_parse_conf (argv[2], default_addr, 801 &rd_addr, &fit_uname_config)) { 802 debug ("* ramdisk: config '%s' from image at 0x%08lx\n", 803 fit_uname_config, rd_addr); 804 } else if (fit_parse_subimage (argv[2], default_addr, 805 &rd_addr, &fit_uname_ramdisk)) { 806 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", 807 fit_uname_ramdisk, rd_addr); 808 } else 809 #endif 810 { 811 rd_addr = simple_strtoul(argv[2], NULL, 16); 812 debug ("* ramdisk: cmdline image address = 0x%08lx\n", 813 rd_addr); 814 } 815 #if defined(CONFIG_FIT) 816 } else { 817 /* use FIT configuration provided in first bootm 818 * command argument 819 */ 820 rd_addr = (ulong)images->fit_hdr_os; 821 fit_uname_config = images->fit_uname_cfg; 822 debug ("* ramdisk: using config '%s' from image at 0x%08lx\n", 823 fit_uname_config, rd_addr); 824 825 /* 826 * Check whether configuration has ramdisk defined, 827 * if not, don't try to use it, quit silently. 828 */ 829 fit_hdr = (void *)rd_addr; 830 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 831 if (cfg_noffset < 0) { 832 debug ("* ramdisk: no such config\n"); 833 return 1; 834 } 835 836 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 837 if (rd_noffset < 0) { 838 debug ("* ramdisk: no ramdisk in config\n"); 839 return 0; 840 } 841 } 842 #endif 843 844 /* copy from dataflash if needed */ 845 rd_addr = genimg_get_image (rd_addr); 846 847 /* 848 * Check if there is an initrd image at the 849 * address provided in the second bootm argument 850 * check image type, for FIT images get FIT node. 851 */ 852 switch (genimg_get_format ((void *)rd_addr)) { 853 case IMAGE_FORMAT_LEGACY: 854 printf ("## Loading init Ramdisk from Legacy " 855 "Image at %08lx ...\n", rd_addr); 856 857 show_boot_progress (9); 858 rd_hdr = image_get_ramdisk (rd_addr, arch, 859 images->verify); 860 861 if (rd_hdr == NULL) 862 return 1; 863 864 rd_data = image_get_data (rd_hdr); 865 rd_len = image_get_data_size (rd_hdr); 866 rd_load = image_get_load (rd_hdr); 867 break; 868 #if defined(CONFIG_FIT) 869 case IMAGE_FORMAT_FIT: 870 fit_hdr = (void *)rd_addr; 871 printf ("## Loading init Ramdisk from FIT " 872 "Image at %08lx ...\n", rd_addr); 873 874 show_boot_progress (120); 875 if (!fit_check_format (fit_hdr)) { 876 puts ("Bad FIT ramdisk image format!\n"); 877 show_boot_progress (-120); 878 return 1; 879 } 880 show_boot_progress (121); 881 882 if (!fit_uname_ramdisk) { 883 /* 884 * no ramdisk image node unit name, try to get config 885 * node first. If config unit node name is NULL 886 * fit_conf_get_node() will try to find default config node 887 */ 888 show_boot_progress (122); 889 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 890 if (cfg_noffset < 0) { 891 puts ("Could not find configuration node\n"); 892 show_boot_progress (-122); 893 return 1; 894 } 895 fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL); 896 printf (" Using '%s' configuration\n", fit_uname_config); 897 898 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 899 fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); 900 } else { 901 /* get ramdisk component image node offset */ 902 show_boot_progress (123); 903 rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); 904 } 905 if (rd_noffset < 0) { 906 puts ("Could not find subimage node\n"); 907 show_boot_progress (-124); 908 return 1; 909 } 910 911 printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); 912 913 show_boot_progress (125); 914 if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) 915 return 1; 916 917 /* get ramdisk image data address and length */ 918 if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { 919 puts ("Could not find ramdisk subimage data!\n"); 920 show_boot_progress (-127); 921 return 1; 922 } 923 show_boot_progress (128); 924 925 rd_data = (ulong)data; 926 rd_len = size; 927 928 if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { 929 puts ("Can't get ramdisk subimage load address!\n"); 930 show_boot_progress (-129); 931 return 1; 932 } 933 show_boot_progress (129); 934 935 images->fit_hdr_rd = fit_hdr; 936 images->fit_uname_rd = fit_uname_ramdisk; 937 images->fit_noffset_rd = rd_noffset; 938 break; 939 #endif 940 default: 941 puts ("Wrong Ramdisk Image Format\n"); 942 rd_data = rd_len = rd_load = 0; 943 return 1; 944 } 945 946 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 947 /* 948 * We need to copy the ramdisk to SRAM to let Linux boot 949 */ 950 if (rd_data) { 951 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 952 rd_data = rd_load; 953 } 954 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 955 956 } else if (images->legacy_hdr_valid && 957 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 958 /* 959 * Now check if we have a legacy mult-component image, 960 * get second entry data start address and len. 961 */ 962 show_boot_progress (13); 963 printf ("## Loading init Ramdisk from multi component " 964 "Legacy Image at %08lx ...\n", 965 (ulong)images->legacy_hdr_os); 966 967 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 968 } else { 969 /* 970 * no initrd image 971 */ 972 show_boot_progress (14); 973 rd_len = rd_data = 0; 974 } 975 976 if (!rd_data) { 977 debug ("## No init Ramdisk\n"); 978 } else { 979 *rd_start = rd_data; 980 *rd_end = rd_data + rd_len; 981 } 982 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 983 *rd_start, *rd_end); 984 985 return 0; 986 } 987 988 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) 989 /** 990 * boot_ramdisk_high - relocate init ramdisk 991 * @lmb: pointer to lmb handle, will be used for memory mgmt 992 * @rd_data: ramdisk data start address 993 * @rd_len: ramdisk data length 994 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 995 * start address (after possible relocation) 996 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 997 * end address (after possible relocation) 998 * 999 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 1000 * variable and if requested ramdisk data is moved to a specified location. 1001 * 1002 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 1003 * start/end addresses if ramdisk image start and len were provided, 1004 * otherwise set initrd_start and initrd_end set to zeros. 1005 * 1006 * returns: 1007 * 0 - success 1008 * -1 - failure 1009 */ 1010 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 1011 ulong *initrd_start, ulong *initrd_end) 1012 { 1013 char *s; 1014 ulong initrd_high; 1015 int initrd_copy_to_ram = 1; 1016 1017 if ((s = getenv ("initrd_high")) != NULL) { 1018 /* a value of "no" or a similar string will act like 0, 1019 * turning the "load high" feature off. This is intentional. 1020 */ 1021 initrd_high = simple_strtoul (s, NULL, 16); 1022 if (initrd_high == ~0) 1023 initrd_copy_to_ram = 0; 1024 } else { 1025 /* not set, no restrictions to load high */ 1026 initrd_high = ~0; 1027 } 1028 1029 1030 #ifdef CONFIG_LOGBUFFER 1031 /* Prevent initrd from overwriting logbuffer */ 1032 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1033 #endif 1034 1035 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1036 initrd_high, initrd_copy_to_ram); 1037 1038 if (rd_data) { 1039 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1040 debug (" in-place initrd\n"); 1041 *initrd_start = rd_data; 1042 *initrd_end = rd_data + rd_len; 1043 lmb_reserve(lmb, rd_data, rd_len); 1044 } else { 1045 if (initrd_high) 1046 *initrd_start = (ulong)lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 1047 else 1048 *initrd_start = (ulong)lmb_alloc (lmb, rd_len, 0x1000); 1049 1050 if (*initrd_start == 0) { 1051 puts ("ramdisk - allocation error\n"); 1052 goto error; 1053 } 1054 show_boot_progress (12); 1055 1056 *initrd_end = *initrd_start + rd_len; 1057 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 1058 *initrd_start, *initrd_end); 1059 1060 memmove_wd ((void *)*initrd_start, 1061 (void *)rd_data, rd_len, CHUNKSZ); 1062 1063 puts ("OK\n"); 1064 } 1065 } else { 1066 *initrd_start = 0; 1067 *initrd_end = 0; 1068 } 1069 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1070 *initrd_start, *initrd_end); 1071 1072 return 0; 1073 1074 error: 1075 return -1; 1076 } 1077 #endif /* defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) */ 1078 1079 #ifdef CONFIG_OF_LIBFDT 1080 static void fdt_error (const char *msg) 1081 { 1082 puts ("ERROR: "); 1083 puts (msg); 1084 puts (" - must RESET the board to recover.\n"); 1085 } 1086 1087 static const image_header_t *image_get_fdt (ulong fdt_addr) 1088 { 1089 const image_header_t *fdt_hdr = (const image_header_t *)fdt_addr; 1090 1091 image_print_contents (fdt_hdr); 1092 1093 puts (" Verifying Checksum ... "); 1094 if (!image_check_hcrc (fdt_hdr)) { 1095 fdt_error ("fdt header checksum invalid"); 1096 return NULL; 1097 } 1098 1099 if (!image_check_dcrc (fdt_hdr)) { 1100 fdt_error ("fdt checksum invalid"); 1101 return NULL; 1102 } 1103 puts ("OK\n"); 1104 1105 if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) { 1106 fdt_error ("uImage is not a fdt"); 1107 return NULL; 1108 } 1109 if (image_get_comp (fdt_hdr) != IH_COMP_NONE) { 1110 fdt_error ("uImage is compressed"); 1111 return NULL; 1112 } 1113 if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) { 1114 fdt_error ("uImage data is not a fdt"); 1115 return NULL; 1116 } 1117 return fdt_hdr; 1118 } 1119 1120 /** 1121 * fit_check_fdt - verify FIT format FDT subimage 1122 * @fit_hdr: pointer to the FIT header 1123 * fdt_noffset: FDT subimage node offset within FIT image 1124 * @verify: data CRC verification flag 1125 * 1126 * fit_check_fdt() verifies integrity of the FDT subimage and from 1127 * specified FIT image. 1128 * 1129 * returns: 1130 * 1, on success 1131 * 0, on failure 1132 */ 1133 #if defined(CONFIG_FIT) 1134 static int fit_check_fdt (const void *fit, int fdt_noffset, int verify) 1135 { 1136 fit_image_print (fit, fdt_noffset, " "); 1137 1138 if (verify) { 1139 puts (" Verifying Hash Integrity ... "); 1140 if (!fit_image_check_hashes (fit, fdt_noffset)) { 1141 fdt_error ("Bad Data Hash"); 1142 return 0; 1143 } 1144 puts ("OK\n"); 1145 } 1146 1147 if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) { 1148 fdt_error ("Not a FDT image"); 1149 return 0; 1150 } 1151 1152 if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) { 1153 fdt_error ("FDT image is compressed"); 1154 return 0; 1155 } 1156 1157 return 1; 1158 } 1159 #endif /* CONFIG_FIT */ 1160 1161 #ifndef CONFIG_SYS_FDT_PAD 1162 #define CONFIG_SYS_FDT_PAD 0x3000 1163 #endif 1164 1165 /** 1166 * boot_relocate_fdt - relocate flat device tree 1167 * @lmb: pointer to lmb handle, will be used for memory mgmt 1168 * @bootmap_base: base address of the bootmap region 1169 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1170 * @of_size: pointer to a ulong variable, will hold fdt length 1171 * 1172 * boot_relocate_fdt() determines if the of_flat_tree address is within 1173 * the bootmap and if not relocates it into that region 1174 * 1175 * of_flat_tree and of_size are set to final (after relocation) values 1176 * 1177 * returns: 1178 * 0 - success 1179 * 1 - failure 1180 */ 1181 int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base, 1182 char **of_flat_tree, ulong *of_size) 1183 { 1184 char *fdt_blob = *of_flat_tree; 1185 ulong relocate = 0; 1186 ulong of_len = 0; 1187 1188 /* nothing to do */ 1189 if (*of_size == 0) 1190 return 0; 1191 1192 if (fdt_check_header (fdt_blob) != 0) { 1193 fdt_error ("image is not a fdt"); 1194 goto error; 1195 } 1196 1197 #ifndef CONFIG_SYS_NO_FLASH 1198 /* move the blob if it is in flash (set relocate) */ 1199 if (addr2info ((ulong)fdt_blob) != NULL) 1200 relocate = 1; 1201 #endif 1202 1203 /* 1204 * The blob needs to be inside the boot mapping. 1205 */ 1206 if (fdt_blob < (char *)bootmap_base) 1207 relocate = 1; 1208 1209 if ((fdt_blob + *of_size + CONFIG_SYS_FDT_PAD) >= 1210 ((char *)CONFIG_SYS_BOOTMAPSZ + bootmap_base)) 1211 relocate = 1; 1212 1213 /* move flattend device tree if needed */ 1214 if (relocate) { 1215 int err; 1216 ulong of_start = 0; 1217 1218 /* position on a 4K boundary before the alloc_current */ 1219 /* Pad the FDT by a specified amount */ 1220 of_len = *of_size + CONFIG_SYS_FDT_PAD; 1221 of_start = (unsigned long)lmb_alloc_base(lmb, of_len, 0x1000, 1222 (CONFIG_SYS_BOOTMAPSZ + bootmap_base)); 1223 1224 if (of_start == 0) { 1225 puts("device tree - allocation error\n"); 1226 goto error; 1227 } 1228 1229 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", 1230 (ulong)fdt_blob, (ulong)fdt_blob + *of_size - 1, 1231 of_len, of_len); 1232 1233 printf (" Loading Device Tree to %08lx, end %08lx ... ", 1234 of_start, of_start + of_len - 1); 1235 1236 err = fdt_open_into (fdt_blob, (void *)of_start, of_len); 1237 if (err != 0) { 1238 fdt_error ("fdt move failed"); 1239 goto error; 1240 } 1241 puts ("OK\n"); 1242 1243 *of_flat_tree = (char *)of_start; 1244 *of_size = of_len; 1245 } else { 1246 *of_flat_tree = fdt_blob; 1247 of_len = (CONFIG_SYS_BOOTMAPSZ + bootmap_base) - (ulong)fdt_blob; 1248 lmb_reserve(lmb, (ulong)fdt_blob, of_len); 1249 fdt_set_totalsize(*of_flat_tree, of_len); 1250 1251 *of_size = of_len; 1252 } 1253 1254 set_working_fdt_addr(*of_flat_tree); 1255 return 0; 1256 1257 error: 1258 return 1; 1259 } 1260 1261 /** 1262 * boot_get_fdt - main fdt handling routine 1263 * @argc: command argument count 1264 * @argv: command argument list 1265 * @images: pointer to the bootm images structure 1266 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1267 * @of_size: pointer to a ulong variable, will hold fdt length 1268 * 1269 * boot_get_fdt() is responsible for finding a valid flat device tree image. 1270 * Curently supported are the following ramdisk sources: 1271 * - multicomponent kernel/ramdisk image, 1272 * - commandline provided address of decicated ramdisk image. 1273 * 1274 * returns: 1275 * 0, if fdt image was found and valid, or skipped 1276 * of_flat_tree and of_size are set to fdt start address and length if 1277 * fdt image is found and valid 1278 * 1279 * 1, if fdt image is found but corrupted 1280 * of_flat_tree and of_size are set to 0 if no fdt exists 1281 */ 1282 int boot_get_fdt (int flag, int argc, char *argv[], bootm_headers_t *images, 1283 char **of_flat_tree, ulong *of_size) 1284 { 1285 const image_header_t *fdt_hdr; 1286 ulong fdt_addr; 1287 char *fdt_blob = NULL; 1288 ulong image_start, image_end; 1289 ulong load_start, load_end; 1290 #if defined(CONFIG_FIT) 1291 void *fit_hdr; 1292 const char *fit_uname_config = NULL; 1293 const char *fit_uname_fdt = NULL; 1294 ulong default_addr; 1295 int cfg_noffset; 1296 int fdt_noffset; 1297 const void *data; 1298 size_t size; 1299 #endif 1300 1301 *of_flat_tree = NULL; 1302 *of_size = 0; 1303 1304 if (argc > 3 || genimg_has_config (images)) { 1305 #if defined(CONFIG_FIT) 1306 if (argc > 3) { 1307 /* 1308 * If the FDT blob comes from the FIT image and the 1309 * FIT image address is omitted in the command line 1310 * argument, try to use ramdisk or os FIT image 1311 * address or default load address. 1312 */ 1313 if (images->fit_uname_rd) 1314 default_addr = (ulong)images->fit_hdr_rd; 1315 else if (images->fit_uname_os) 1316 default_addr = (ulong)images->fit_hdr_os; 1317 else 1318 default_addr = load_addr; 1319 1320 if (fit_parse_conf (argv[3], default_addr, 1321 &fdt_addr, &fit_uname_config)) { 1322 debug ("* fdt: config '%s' from image at 0x%08lx\n", 1323 fit_uname_config, fdt_addr); 1324 } else if (fit_parse_subimage (argv[3], default_addr, 1325 &fdt_addr, &fit_uname_fdt)) { 1326 debug ("* fdt: subimage '%s' from image at 0x%08lx\n", 1327 fit_uname_fdt, fdt_addr); 1328 } else 1329 #endif 1330 { 1331 fdt_addr = simple_strtoul(argv[3], NULL, 16); 1332 debug ("* fdt: cmdline image address = 0x%08lx\n", 1333 fdt_addr); 1334 } 1335 #if defined(CONFIG_FIT) 1336 } else { 1337 /* use FIT configuration provided in first bootm 1338 * command argument 1339 */ 1340 fdt_addr = (ulong)images->fit_hdr_os; 1341 fit_uname_config = images->fit_uname_cfg; 1342 debug ("* fdt: using config '%s' from image at 0x%08lx\n", 1343 fit_uname_config, fdt_addr); 1344 1345 /* 1346 * Check whether configuration has FDT blob defined, 1347 * if not quit silently. 1348 */ 1349 fit_hdr = (void *)fdt_addr; 1350 cfg_noffset = fit_conf_get_node (fit_hdr, 1351 fit_uname_config); 1352 if (cfg_noffset < 0) { 1353 debug ("* fdt: no such config\n"); 1354 return 0; 1355 } 1356 1357 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1358 cfg_noffset); 1359 if (fdt_noffset < 0) { 1360 debug ("* fdt: no fdt in config\n"); 1361 return 0; 1362 } 1363 } 1364 #endif 1365 1366 debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n", 1367 fdt_addr); 1368 1369 /* copy from dataflash if needed */ 1370 fdt_addr = genimg_get_image (fdt_addr); 1371 1372 /* 1373 * Check if there is an FDT image at the 1374 * address provided in the second bootm argument 1375 * check image type, for FIT images get a FIT node. 1376 */ 1377 switch (genimg_get_format ((void *)fdt_addr)) { 1378 case IMAGE_FORMAT_LEGACY: 1379 /* verify fdt_addr points to a valid image header */ 1380 printf ("## Flattened Device Tree from Legacy Image at %08lx\n", 1381 fdt_addr); 1382 fdt_hdr = image_get_fdt (fdt_addr); 1383 if (!fdt_hdr) 1384 goto error; 1385 1386 /* 1387 * move image data to the load address, 1388 * make sure we don't overwrite initial image 1389 */ 1390 image_start = (ulong)fdt_hdr; 1391 image_end = image_get_image_end (fdt_hdr); 1392 1393 load_start = image_get_load (fdt_hdr); 1394 load_end = load_start + image_get_data_size (fdt_hdr); 1395 1396 if ((load_start < image_end) && (load_end > image_start)) { 1397 fdt_error ("fdt overwritten"); 1398 goto error; 1399 } 1400 1401 debug (" Loading FDT from 0x%08lx to 0x%08lx\n", 1402 image_get_data (fdt_hdr), load_start); 1403 1404 memmove ((void *)load_start, 1405 (void *)image_get_data (fdt_hdr), 1406 image_get_data_size (fdt_hdr)); 1407 1408 fdt_blob = (char *)load_start; 1409 break; 1410 case IMAGE_FORMAT_FIT: 1411 /* 1412 * This case will catch both: new uImage format 1413 * (libfdt based) and raw FDT blob (also libfdt 1414 * based). 1415 */ 1416 #if defined(CONFIG_FIT) 1417 /* check FDT blob vs FIT blob */ 1418 if (fit_check_format ((const void *)fdt_addr)) { 1419 /* 1420 * FIT image 1421 */ 1422 fit_hdr = (void *)fdt_addr; 1423 printf ("## Flattened Device Tree from FIT Image at %08lx\n", 1424 fdt_addr); 1425 1426 if (!fit_uname_fdt) { 1427 /* 1428 * no FDT blob image node unit name, 1429 * try to get config node first. If 1430 * config unit node name is NULL 1431 * fit_conf_get_node() will try to 1432 * find default config node 1433 */ 1434 cfg_noffset = fit_conf_get_node (fit_hdr, 1435 fit_uname_config); 1436 1437 if (cfg_noffset < 0) { 1438 fdt_error ("Could not find configuration node\n"); 1439 goto error; 1440 } 1441 1442 fit_uname_config = fdt_get_name (fit_hdr, 1443 cfg_noffset, NULL); 1444 printf (" Using '%s' configuration\n", 1445 fit_uname_config); 1446 1447 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1448 cfg_noffset); 1449 fit_uname_fdt = fit_get_name (fit_hdr, 1450 fdt_noffset, NULL); 1451 } else { 1452 /* get FDT component image node offset */ 1453 fdt_noffset = fit_image_get_node (fit_hdr, 1454 fit_uname_fdt); 1455 } 1456 if (fdt_noffset < 0) { 1457 fdt_error ("Could not find subimage node\n"); 1458 goto error; 1459 } 1460 1461 printf (" Trying '%s' FDT blob subimage\n", 1462 fit_uname_fdt); 1463 1464 if (!fit_check_fdt (fit_hdr, fdt_noffset, 1465 images->verify)) 1466 goto error; 1467 1468 /* get ramdisk image data address and length */ 1469 if (fit_image_get_data (fit_hdr, fdt_noffset, 1470 &data, &size)) { 1471 fdt_error ("Could not find FDT subimage data"); 1472 goto error; 1473 } 1474 1475 /* verift that image data is a proper FDT blob */ 1476 if (fdt_check_header ((char *)data) != 0) { 1477 fdt_error ("Subimage data is not a FTD"); 1478 goto error; 1479 } 1480 1481 /* 1482 * move image data to the load address, 1483 * make sure we don't overwrite initial image 1484 */ 1485 image_start = (ulong)fit_hdr; 1486 image_end = fit_get_end (fit_hdr); 1487 1488 if (fit_image_get_load (fit_hdr, fdt_noffset, 1489 &load_start) == 0) { 1490 load_end = load_start + size; 1491 1492 if ((load_start < image_end) && 1493 (load_end > image_start)) { 1494 fdt_error ("FDT overwritten"); 1495 goto error; 1496 } 1497 1498 printf (" Loading FDT from 0x%08lx to 0x%08lx\n", 1499 (ulong)data, load_start); 1500 1501 memmove ((void *)load_start, 1502 (void *)data, size); 1503 1504 fdt_blob = (char *)load_start; 1505 } else { 1506 fdt_blob = (char *)data; 1507 } 1508 1509 images->fit_hdr_fdt = fit_hdr; 1510 images->fit_uname_fdt = fit_uname_fdt; 1511 images->fit_noffset_fdt = fdt_noffset; 1512 break; 1513 } else 1514 #endif 1515 { 1516 /* 1517 * FDT blob 1518 */ 1519 fdt_blob = (char *)fdt_addr; 1520 debug ("* fdt: raw FDT blob\n"); 1521 printf ("## Flattened Device Tree blob at %08lx\n", (long)fdt_blob); 1522 } 1523 break; 1524 default: 1525 puts ("ERROR: Did not find a cmdline Flattened Device Tree\n"); 1526 goto error; 1527 } 1528 1529 printf (" Booting using the fdt blob at 0x%x\n", (int)fdt_blob); 1530 1531 } else if (images->legacy_hdr_valid && 1532 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 1533 1534 ulong fdt_data, fdt_len; 1535 1536 /* 1537 * Now check if we have a legacy multi-component image, 1538 * get second entry data start address and len. 1539 */ 1540 printf ("## Flattened Device Tree from multi " 1541 "component Image at %08lX\n", 1542 (ulong)images->legacy_hdr_os); 1543 1544 image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len); 1545 if (fdt_len) { 1546 1547 fdt_blob = (char *)fdt_data; 1548 printf (" Booting using the fdt at 0x%x\n", (int)fdt_blob); 1549 1550 if (fdt_check_header (fdt_blob) != 0) { 1551 fdt_error ("image is not a fdt"); 1552 goto error; 1553 } 1554 1555 if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) { 1556 fdt_error ("fdt size != image size"); 1557 goto error; 1558 } 1559 } else { 1560 debug ("## No Flattened Device Tree\n"); 1561 return 0; 1562 } 1563 } else { 1564 debug ("## No Flattened Device Tree\n"); 1565 return 0; 1566 } 1567 1568 *of_flat_tree = fdt_blob; 1569 *of_size = be32_to_cpu (fdt_totalsize (fdt_blob)); 1570 debug (" of_flat_tree at 0x%08lx size 0x%08lx\n", 1571 (ulong)*of_flat_tree, *of_size); 1572 1573 return 0; 1574 1575 error: 1576 *of_flat_tree = 0; 1577 *of_size = 0; 1578 return 1; 1579 } 1580 #endif /* CONFIG_OF_LIBFDT */ 1581 1582 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) 1583 /** 1584 * boot_get_cmdline - allocate and initialize kernel cmdline 1585 * @lmb: pointer to lmb handle, will be used for memory mgmt 1586 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1587 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1588 * @bootmap_base: ulong variable, holds offset in physical memory to 1589 * base of bootmap 1590 * 1591 * boot_get_cmdline() allocates space for kernel command line below 1592 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 1593 * variable is present its contents is copied to allocated kernel 1594 * command line. 1595 * 1596 * returns: 1597 * 0 - success 1598 * -1 - failure 1599 */ 1600 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 1601 ulong bootmap_base) 1602 { 1603 char *cmdline; 1604 char *s; 1605 1606 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1607 CONFIG_SYS_BOOTMAPSZ + bootmap_base); 1608 1609 if (cmdline == NULL) 1610 return -1; 1611 1612 if ((s = getenv("bootargs")) == NULL) 1613 s = ""; 1614 1615 strcpy(cmdline, s); 1616 1617 *cmd_start = (ulong) & cmdline[0]; 1618 *cmd_end = *cmd_start + strlen(cmdline); 1619 1620 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1621 1622 return 0; 1623 } 1624 1625 /** 1626 * boot_get_kbd - allocate and initialize kernel copy of board info 1627 * @lmb: pointer to lmb handle, will be used for memory mgmt 1628 * @kbd: double pointer to board info data 1629 * @bootmap_base: ulong variable, holds offset in physical memory to 1630 * base of bootmap 1631 * 1632 * boot_get_kbd() allocates space for kernel copy of board info data below 1633 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1634 * the current u-boot board info data. 1635 * 1636 * returns: 1637 * 0 - success 1638 * -1 - failure 1639 */ 1640 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1641 { 1642 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1643 CONFIG_SYS_BOOTMAPSZ + bootmap_base); 1644 if (*kbd == NULL) 1645 return -1; 1646 1647 **kbd = *(gd->bd); 1648 1649 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1650 1651 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1652 do_bdinfo(NULL, 0, 0, NULL); 1653 #endif 1654 1655 return 0; 1656 } 1657 #endif /* CONFIG_PPC || CONFIG_M68K */ 1658 #endif /* !USE_HOSTCC */ 1659 1660 #if defined(CONFIG_FIT) 1661 /*****************************************************************************/ 1662 /* New uImage format routines */ 1663 /*****************************************************************************/ 1664 #ifndef USE_HOSTCC 1665 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1666 ulong *addr, const char **name) 1667 { 1668 const char *sep; 1669 1670 *addr = addr_curr; 1671 *name = NULL; 1672 1673 sep = strchr (spec, sepc); 1674 if (sep) { 1675 if (sep - spec > 0) 1676 *addr = simple_strtoul (spec, NULL, 16); 1677 1678 *name = sep + 1; 1679 return 1; 1680 } 1681 1682 return 0; 1683 } 1684 1685 /** 1686 * fit_parse_conf - parse FIT configuration spec 1687 * @spec: input string, containing configuration spec 1688 * @add_curr: current image address (to be used as a possible default) 1689 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1690 * configuration 1691 * @conf_name double pointer to a char, will hold pointer to a configuration 1692 * unit name 1693 * 1694 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1695 * where <addr> is a FIT image address that contains configuration 1696 * with a <conf> unit name. 1697 * 1698 * Address part is optional, and if omitted default add_curr will 1699 * be used instead. 1700 * 1701 * returns: 1702 * 1 if spec is a valid configuration string, 1703 * addr and conf_name are set accordingly 1704 * 0 otherwise 1705 */ 1706 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1707 ulong *addr, const char **conf_name) 1708 { 1709 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1710 } 1711 1712 /** 1713 * fit_parse_subimage - parse FIT subimage spec 1714 * @spec: input string, containing subimage spec 1715 * @add_curr: current image address (to be used as a possible default) 1716 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1717 * subimage 1718 * @image_name: double pointer to a char, will hold pointer to a subimage name 1719 * 1720 * fit_parse_subimage() expects subimage spec in the for of 1721 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1722 * subimage with a <subimg> unit name. 1723 * 1724 * Address part is optional, and if omitted default add_curr will 1725 * be used instead. 1726 * 1727 * returns: 1728 * 1 if spec is a valid subimage string, 1729 * addr and image_name are set accordingly 1730 * 0 otherwise 1731 */ 1732 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1733 ulong *addr, const char **image_name) 1734 { 1735 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1736 } 1737 #endif /* !USE_HOSTCC */ 1738 1739 static void fit_get_debug (const void *fit, int noffset, 1740 char *prop_name, int err) 1741 { 1742 debug ("Can't get '%s' property from FIT 0x%08lx, " 1743 "node: offset %d, name %s (%s)\n", 1744 prop_name, (ulong)fit, noffset, 1745 fit_get_name (fit, noffset, NULL), 1746 fdt_strerror (err)); 1747 } 1748 1749 /** 1750 * fit_print_contents - prints out the contents of the FIT format image 1751 * @fit: pointer to the FIT format image header 1752 * @p: pointer to prefix string 1753 * 1754 * fit_print_contents() formats a multi line FIT image contents description. 1755 * The routine prints out FIT image properties (root node level) follwed by 1756 * the details of each component image. 1757 * 1758 * returns: 1759 * no returned results 1760 */ 1761 void fit_print_contents (const void *fit) 1762 { 1763 char *desc; 1764 char *uname; 1765 int images_noffset; 1766 int confs_noffset; 1767 int noffset; 1768 int ndepth; 1769 int count = 0; 1770 int ret; 1771 const char *p; 1772 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1773 time_t timestamp; 1774 #endif 1775 1776 #ifdef USE_HOSTCC 1777 p = ""; 1778 #else 1779 p = " "; 1780 #endif 1781 1782 /* Root node properties */ 1783 ret = fit_get_desc (fit, 0, &desc); 1784 printf ("%sFIT description: ", p); 1785 if (ret) 1786 printf ("unavailable\n"); 1787 else 1788 printf ("%s\n", desc); 1789 1790 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1791 ret = fit_get_timestamp (fit, 0, ×tamp); 1792 printf ("%sCreated: ", p); 1793 if (ret) 1794 printf ("unavailable\n"); 1795 else 1796 genimg_print_time (timestamp); 1797 #endif 1798 1799 /* Find images parent node offset */ 1800 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1801 if (images_noffset < 0) { 1802 printf ("Can't find images parent node '%s' (%s)\n", 1803 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1804 return; 1805 } 1806 1807 /* Process its subnodes, print out component images details */ 1808 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1809 (noffset >= 0) && (ndepth > 0); 1810 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1811 if (ndepth == 1) { 1812 /* 1813 * Direct child node of the images parent node, 1814 * i.e. component image node. 1815 */ 1816 printf ("%s Image %u (%s)\n", p, count++, 1817 fit_get_name(fit, noffset, NULL)); 1818 1819 fit_image_print (fit, noffset, p); 1820 } 1821 } 1822 1823 /* Find configurations parent node offset */ 1824 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 1825 if (confs_noffset < 0) { 1826 debug ("Can't get configurations parent node '%s' (%s)\n", 1827 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 1828 return; 1829 } 1830 1831 /* get default configuration unit name from default property */ 1832 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); 1833 if (uname) 1834 printf ("%s Default Configuration: '%s'\n", p, uname); 1835 1836 /* Process its subnodes, print out configurations details */ 1837 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); 1838 (noffset >= 0) && (ndepth > 0); 1839 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1840 if (ndepth == 1) { 1841 /* 1842 * Direct child node of the configurations parent node, 1843 * i.e. configuration node. 1844 */ 1845 printf ("%s Configuration %u (%s)\n", p, count++, 1846 fit_get_name(fit, noffset, NULL)); 1847 1848 fit_conf_print (fit, noffset, p); 1849 } 1850 } 1851 } 1852 1853 /** 1854 * fit_image_print - prints out the FIT component image details 1855 * @fit: pointer to the FIT format image header 1856 * @image_noffset: offset of the component image node 1857 * @p: pointer to prefix string 1858 * 1859 * fit_image_print() lists all mandatory properies for the processed component 1860 * image. If present, hash nodes are printed out as well. Load 1861 * address for images of type firmware is also printed out. Since the load 1862 * address is not mandatory for firmware images, it will be output as 1863 * "unavailable" when not present. 1864 * 1865 * returns: 1866 * no returned results 1867 */ 1868 void fit_image_print (const void *fit, int image_noffset, const char *p) 1869 { 1870 char *desc; 1871 uint8_t type, arch, os, comp; 1872 size_t size; 1873 ulong load, entry; 1874 const void *data; 1875 int noffset; 1876 int ndepth; 1877 int ret; 1878 1879 /* Mandatory properties */ 1880 ret = fit_get_desc (fit, image_noffset, &desc); 1881 printf ("%s Description: ", p); 1882 if (ret) 1883 printf ("unavailable\n"); 1884 else 1885 printf ("%s\n", desc); 1886 1887 fit_image_get_type (fit, image_noffset, &type); 1888 printf ("%s Type: %s\n", p, genimg_get_type_name (type)); 1889 1890 fit_image_get_comp (fit, image_noffset, &comp); 1891 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); 1892 1893 ret = fit_image_get_data (fit, image_noffset, &data, &size); 1894 1895 #ifndef USE_HOSTCC 1896 printf ("%s Data Start: ", p); 1897 if (ret) 1898 printf ("unavailable\n"); 1899 else 1900 printf ("0x%08lx\n", (ulong)data); 1901 #endif 1902 1903 printf ("%s Data Size: ", p); 1904 if (ret) 1905 printf ("unavailable\n"); 1906 else 1907 genimg_print_size (size); 1908 1909 /* Remaining, type dependent properties */ 1910 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1911 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 1912 (type == IH_TYPE_FLATDT)) { 1913 fit_image_get_arch (fit, image_noffset, &arch); 1914 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); 1915 } 1916 1917 if (type == IH_TYPE_KERNEL) { 1918 fit_image_get_os (fit, image_noffset, &os); 1919 printf ("%s OS: %s\n", p, genimg_get_os_name (os)); 1920 } 1921 1922 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1923 (type == IH_TYPE_FIRMWARE)) { 1924 ret = fit_image_get_load (fit, image_noffset, &load); 1925 printf ("%s Load Address: ", p); 1926 if (ret) 1927 printf ("unavailable\n"); 1928 else 1929 printf ("0x%08lx\n", load); 1930 } 1931 1932 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 1933 fit_image_get_entry (fit, image_noffset, &entry); 1934 printf ("%s Entry Point: ", p); 1935 if (ret) 1936 printf ("unavailable\n"); 1937 else 1938 printf ("0x%08lx\n", entry); 1939 } 1940 1941 /* Process all hash subnodes of the component image node */ 1942 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1943 (noffset >= 0) && (ndepth > 0); 1944 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1945 if (ndepth == 1) { 1946 /* Direct child node of the component image node */ 1947 fit_image_print_hash (fit, noffset, p); 1948 } 1949 } 1950 } 1951 1952 /** 1953 * fit_image_print_hash - prints out the hash node details 1954 * @fit: pointer to the FIT format image header 1955 * @noffset: offset of the hash node 1956 * @p: pointer to prefix string 1957 * 1958 * fit_image_print_hash() lists properies for the processed hash node 1959 * 1960 * returns: 1961 * no returned results 1962 */ 1963 void fit_image_print_hash (const void *fit, int noffset, const char *p) 1964 { 1965 char *algo; 1966 uint8_t *value; 1967 int value_len; 1968 int i, ret; 1969 1970 /* 1971 * Check subnode name, must be equal to "hash". 1972 * Multiple hash nodes require unique unit node 1973 * names, e.g. hash@1, hash@2, etc. 1974 */ 1975 if (strncmp (fit_get_name(fit, noffset, NULL), 1976 FIT_HASH_NODENAME, 1977 strlen(FIT_HASH_NODENAME)) != 0) 1978 return; 1979 1980 debug ("%s Hash node: '%s'\n", p, 1981 fit_get_name (fit, noffset, NULL)); 1982 1983 printf ("%s Hash algo: ", p); 1984 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1985 printf ("invalid/unsupported\n"); 1986 return; 1987 } 1988 printf ("%s\n", algo); 1989 1990 ret = fit_image_hash_get_value (fit, noffset, &value, 1991 &value_len); 1992 printf ("%s Hash value: ", p); 1993 if (ret) { 1994 printf ("unavailable\n"); 1995 } else { 1996 for (i = 0; i < value_len; i++) 1997 printf ("%02x", value[i]); 1998 printf ("\n"); 1999 } 2000 2001 debug ("%s Hash len: %d\n", p, value_len); 2002 } 2003 2004 /** 2005 * fit_get_desc - get node description property 2006 * @fit: pointer to the FIT format image header 2007 * @noffset: node offset 2008 * @desc: double pointer to the char, will hold pointer to the descrption 2009 * 2010 * fit_get_desc() reads description property from a given node, if 2011 * description is found pointer to it is returened in third call argument. 2012 * 2013 * returns: 2014 * 0, on success 2015 * -1, on failure 2016 */ 2017 int fit_get_desc (const void *fit, int noffset, char **desc) 2018 { 2019 int len; 2020 2021 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); 2022 if (*desc == NULL) { 2023 fit_get_debug (fit, noffset, FIT_DESC_PROP, len); 2024 return -1; 2025 } 2026 2027 return 0; 2028 } 2029 2030 /** 2031 * fit_get_timestamp - get node timestamp property 2032 * @fit: pointer to the FIT format image header 2033 * @noffset: node offset 2034 * @timestamp: pointer to the time_t, will hold read timestamp 2035 * 2036 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 2037 * is found and has a correct size its value is retured in third call 2038 * argument. 2039 * 2040 * returns: 2041 * 0, on success 2042 * -1, on property read failure 2043 * -2, on wrong timestamp size 2044 */ 2045 int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) 2046 { 2047 int len; 2048 const void *data; 2049 2050 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); 2051 if (data == NULL) { 2052 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); 2053 return -1; 2054 } 2055 if (len != sizeof (uint32_t)) { 2056 debug ("FIT timestamp with incorrect size of (%u)\n", len); 2057 return -2; 2058 } 2059 2060 *timestamp = uimage_to_cpu (*((uint32_t *)data)); 2061 return 0; 2062 } 2063 2064 /** 2065 * fit_image_get_node - get node offset for component image of a given unit name 2066 * @fit: pointer to the FIT format image header 2067 * @image_uname: component image node unit name 2068 * 2069 * fit_image_get_node() finds a component image (withing the '/images' 2070 * node) of a provided unit name. If image is found its node offset is 2071 * returned to the caller. 2072 * 2073 * returns: 2074 * image node offset when found (>=0) 2075 * negative number on failure (FDT_ERR_* code) 2076 */ 2077 int fit_image_get_node (const void *fit, const char *image_uname) 2078 { 2079 int noffset, images_noffset; 2080 2081 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2082 if (images_noffset < 0) { 2083 debug ("Can't find images parent node '%s' (%s)\n", 2084 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2085 return images_noffset; 2086 } 2087 2088 noffset = fdt_subnode_offset (fit, images_noffset, image_uname); 2089 if (noffset < 0) { 2090 debug ("Can't get node offset for image unit name: '%s' (%s)\n", 2091 image_uname, fdt_strerror (noffset)); 2092 } 2093 2094 return noffset; 2095 } 2096 2097 /** 2098 * fit_image_get_os - get os id for a given component image node 2099 * @fit: pointer to the FIT format image header 2100 * @noffset: component image node offset 2101 * @os: pointer to the uint8_t, will hold os numeric id 2102 * 2103 * fit_image_get_os() finds os property in a given component image node. 2104 * If the property is found, its (string) value is translated to the numeric 2105 * id which is returned to the caller. 2106 * 2107 * returns: 2108 * 0, on success 2109 * -1, on failure 2110 */ 2111 int fit_image_get_os (const void *fit, int noffset, uint8_t *os) 2112 { 2113 int len; 2114 const void *data; 2115 2116 /* Get OS name from property data */ 2117 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); 2118 if (data == NULL) { 2119 fit_get_debug (fit, noffset, FIT_OS_PROP, len); 2120 *os = -1; 2121 return -1; 2122 } 2123 2124 /* Translate OS name to id */ 2125 *os = genimg_get_os_id (data); 2126 return 0; 2127 } 2128 2129 /** 2130 * fit_image_get_arch - get arch id for a given component image node 2131 * @fit: pointer to the FIT format image header 2132 * @noffset: component image node offset 2133 * @arch: pointer to the uint8_t, will hold arch numeric id 2134 * 2135 * fit_image_get_arch() finds arch property in a given component image node. 2136 * If the property is found, its (string) value is translated to the numeric 2137 * id which is returned to the caller. 2138 * 2139 * returns: 2140 * 0, on success 2141 * -1, on failure 2142 */ 2143 int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) 2144 { 2145 int len; 2146 const void *data; 2147 2148 /* Get architecture name from property data */ 2149 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); 2150 if (data == NULL) { 2151 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); 2152 *arch = -1; 2153 return -1; 2154 } 2155 2156 /* Translate architecture name to id */ 2157 *arch = genimg_get_arch_id (data); 2158 return 0; 2159 } 2160 2161 /** 2162 * fit_image_get_type - get type id for a given component image node 2163 * @fit: pointer to the FIT format image header 2164 * @noffset: component image node offset 2165 * @type: pointer to the uint8_t, will hold type numeric id 2166 * 2167 * fit_image_get_type() finds type property in a given component image node. 2168 * If the property is found, its (string) value is translated to the numeric 2169 * id which is returned to the caller. 2170 * 2171 * returns: 2172 * 0, on success 2173 * -1, on failure 2174 */ 2175 int fit_image_get_type (const void *fit, int noffset, uint8_t *type) 2176 { 2177 int len; 2178 const void *data; 2179 2180 /* Get image type name from property data */ 2181 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); 2182 if (data == NULL) { 2183 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); 2184 *type = -1; 2185 return -1; 2186 } 2187 2188 /* Translate image type name to id */ 2189 *type = genimg_get_type_id (data); 2190 return 0; 2191 } 2192 2193 /** 2194 * fit_image_get_comp - get comp id for a given component image node 2195 * @fit: pointer to the FIT format image header 2196 * @noffset: component image node offset 2197 * @comp: pointer to the uint8_t, will hold comp numeric id 2198 * 2199 * fit_image_get_comp() finds comp property in a given component image node. 2200 * If the property is found, its (string) value is translated to the numeric 2201 * id which is returned to the caller. 2202 * 2203 * returns: 2204 * 0, on success 2205 * -1, on failure 2206 */ 2207 int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) 2208 { 2209 int len; 2210 const void *data; 2211 2212 /* Get compression name from property data */ 2213 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); 2214 if (data == NULL) { 2215 fit_get_debug (fit, noffset, FIT_COMP_PROP, len); 2216 *comp = -1; 2217 return -1; 2218 } 2219 2220 /* Translate compression name to id */ 2221 *comp = genimg_get_comp_id (data); 2222 return 0; 2223 } 2224 2225 /** 2226 * fit_image_get_load - get load address property for a given component image node 2227 * @fit: pointer to the FIT format image header 2228 * @noffset: component image node offset 2229 * @load: pointer to the uint32_t, will hold load address 2230 * 2231 * fit_image_get_load() finds load address property in a given component image node. 2232 * If the property is found, its value is returned to the caller. 2233 * 2234 * returns: 2235 * 0, on success 2236 * -1, on failure 2237 */ 2238 int fit_image_get_load (const void *fit, int noffset, ulong *load) 2239 { 2240 int len; 2241 const uint32_t *data; 2242 2243 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); 2244 if (data == NULL) { 2245 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); 2246 return -1; 2247 } 2248 2249 *load = uimage_to_cpu (*data); 2250 return 0; 2251 } 2252 2253 /** 2254 * fit_image_get_entry - get entry point address property for a given component image node 2255 * @fit: pointer to the FIT format image header 2256 * @noffset: component image node offset 2257 * @entry: pointer to the uint32_t, will hold entry point address 2258 * 2259 * fit_image_get_entry() finds entry point address property in a given component image node. 2260 * If the property is found, its value is returned to the caller. 2261 * 2262 * returns: 2263 * 0, on success 2264 * -1, on failure 2265 */ 2266 int fit_image_get_entry (const void *fit, int noffset, ulong *entry) 2267 { 2268 int len; 2269 const uint32_t *data; 2270 2271 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); 2272 if (data == NULL) { 2273 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); 2274 return -1; 2275 } 2276 2277 *entry = uimage_to_cpu (*data); 2278 return 0; 2279 } 2280 2281 /** 2282 * fit_image_get_data - get data property and its size for a given component image node 2283 * @fit: pointer to the FIT format image header 2284 * @noffset: component image node offset 2285 * @data: double pointer to void, will hold data property's data address 2286 * @size: pointer to size_t, will hold data property's data size 2287 * 2288 * fit_image_get_data() finds data property in a given component image node. 2289 * If the property is found its data start address and size are returned to 2290 * the caller. 2291 * 2292 * returns: 2293 * 0, on success 2294 * -1, on failure 2295 */ 2296 int fit_image_get_data (const void *fit, int noffset, 2297 const void **data, size_t *size) 2298 { 2299 int len; 2300 2301 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); 2302 if (*data == NULL) { 2303 fit_get_debug (fit, noffset, FIT_DATA_PROP, len); 2304 *size = 0; 2305 return -1; 2306 } 2307 2308 *size = len; 2309 return 0; 2310 } 2311 2312 /** 2313 * fit_image_hash_get_algo - get hash algorithm name 2314 * @fit: pointer to the FIT format image header 2315 * @noffset: hash node offset 2316 * @algo: double pointer to char, will hold pointer to the algorithm name 2317 * 2318 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 2319 * If the property is found its data start address is returned to the caller. 2320 * 2321 * returns: 2322 * 0, on success 2323 * -1, on failure 2324 */ 2325 int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) 2326 { 2327 int len; 2328 2329 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); 2330 if (*algo == NULL) { 2331 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); 2332 return -1; 2333 } 2334 2335 return 0; 2336 } 2337 2338 /** 2339 * fit_image_hash_get_value - get hash value and length 2340 * @fit: pointer to the FIT format image header 2341 * @noffset: hash node offset 2342 * @value: double pointer to uint8_t, will hold address of a hash value data 2343 * @value_len: pointer to an int, will hold hash data length 2344 * 2345 * fit_image_hash_get_value() finds hash value property in a given hash node. 2346 * If the property is found its data start address and size are returned to 2347 * the caller. 2348 * 2349 * returns: 2350 * 0, on success 2351 * -1, on failure 2352 */ 2353 int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, 2354 int *value_len) 2355 { 2356 int len; 2357 2358 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); 2359 if (*value == NULL) { 2360 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); 2361 *value_len = 0; 2362 return -1; 2363 } 2364 2365 *value_len = len; 2366 return 0; 2367 } 2368 2369 /** 2370 * fit_set_timestamp - set node timestamp property 2371 * @fit: pointer to the FIT format image header 2372 * @noffset: node offset 2373 * @timestamp: timestamp value to be set 2374 * 2375 * fit_set_timestamp() attempts to set timestamp property in the requested 2376 * node and returns operation status to the caller. 2377 * 2378 * returns: 2379 * 0, on success 2380 * -1, on property read failure 2381 */ 2382 int fit_set_timestamp (void *fit, int noffset, time_t timestamp) 2383 { 2384 uint32_t t; 2385 int ret; 2386 2387 t = cpu_to_uimage (timestamp); 2388 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, 2389 sizeof (uint32_t)); 2390 if (ret) { 2391 printf ("Can't set '%s' property for '%s' node (%s)\n", 2392 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), 2393 fdt_strerror (ret)); 2394 return -1; 2395 } 2396 2397 return 0; 2398 } 2399 2400 /** 2401 * calculate_hash - calculate and return hash for provided input data 2402 * @data: pointer to the input data 2403 * @data_len: data length 2404 * @algo: requested hash algorithm 2405 * @value: pointer to the char, will hold hash value data (caller must 2406 * allocate enough free space) 2407 * value_len: length of the calculated hash 2408 * 2409 * calculate_hash() computes input data hash according to the requested algorithm. 2410 * Resulting hash value is placed in caller provided 'value' buffer, length 2411 * of the calculated hash is returned via value_len pointer argument. 2412 * 2413 * returns: 2414 * 0, on success 2415 * -1, when algo is unsupported 2416 */ 2417 static int calculate_hash (const void *data, int data_len, const char *algo, 2418 uint8_t *value, int *value_len) 2419 { 2420 if (strcmp (algo, "crc32") == 0 ) { 2421 *((uint32_t *)value) = crc32_wd (0, data, data_len, 2422 CHUNKSZ_CRC32); 2423 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); 2424 *value_len = 4; 2425 } else if (strcmp (algo, "sha1") == 0 ) { 2426 sha1_csum_wd ((unsigned char *) data, data_len, 2427 (unsigned char *) value, CHUNKSZ_SHA1); 2428 *value_len = 20; 2429 } else if (strcmp (algo, "md5") == 0 ) { 2430 md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5); 2431 *value_len = 16; 2432 } else { 2433 debug ("Unsupported hash alogrithm\n"); 2434 return -1; 2435 } 2436 return 0; 2437 } 2438 2439 #ifdef USE_HOSTCC 2440 /** 2441 * fit_set_hashes - process FIT component image nodes and calculate hashes 2442 * @fit: pointer to the FIT format image header 2443 * 2444 * fit_set_hashes() adds hash values for all component images in the FIT blob. 2445 * Hashes are calculated for all component images which have hash subnodes 2446 * with algorithm property set to one of the supported hash algorithms. 2447 * 2448 * returns 2449 * 0, on success 2450 * libfdt error code, on failure 2451 */ 2452 int fit_set_hashes (void *fit) 2453 { 2454 int images_noffset; 2455 int noffset; 2456 int ndepth; 2457 int ret; 2458 2459 /* Find images parent node offset */ 2460 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2461 if (images_noffset < 0) { 2462 printf ("Can't find images parent node '%s' (%s)\n", 2463 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2464 return images_noffset; 2465 } 2466 2467 /* Process its subnodes, print out component images details */ 2468 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 2469 (noffset >= 0) && (ndepth > 0); 2470 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2471 if (ndepth == 1) { 2472 /* 2473 * Direct child node of the images parent node, 2474 * i.e. component image node. 2475 */ 2476 ret = fit_image_set_hashes (fit, noffset); 2477 if (ret) 2478 return ret; 2479 } 2480 } 2481 2482 return 0; 2483 } 2484 2485 /** 2486 * fit_image_set_hashes - calculate/set hashes for given component image node 2487 * @fit: pointer to the FIT format image header 2488 * @image_noffset: requested component image node 2489 * 2490 * fit_image_set_hashes() adds hash values for an component image node. All 2491 * existing hash subnodes are checked, if algorithm property is set to one of 2492 * the supported hash algorithms, hash value is computed and corresponding 2493 * hash node property is set, for example: 2494 * 2495 * Input component image node structure: 2496 * 2497 * o image@1 (at image_noffset) 2498 * | - data = [binary data] 2499 * o hash@1 2500 * |- algo = "sha1" 2501 * 2502 * Output component image node structure: 2503 * 2504 * o image@1 (at image_noffset) 2505 * | - data = [binary data] 2506 * o hash@1 2507 * |- algo = "sha1" 2508 * |- value = sha1(data) 2509 * 2510 * returns: 2511 * 0 on sucess 2512 * <0 on failure 2513 */ 2514 int fit_image_set_hashes (void *fit, int image_noffset) 2515 { 2516 const void *data; 2517 size_t size; 2518 char *algo; 2519 uint8_t value[FIT_MAX_HASH_LEN]; 2520 int value_len; 2521 int noffset; 2522 int ndepth; 2523 2524 /* Get image data and data length */ 2525 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2526 printf ("Can't get image data/size\n"); 2527 return -1; 2528 } 2529 2530 /* Process all hash subnodes of the component image node */ 2531 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2532 (noffset >= 0) && (ndepth > 0); 2533 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2534 if (ndepth == 1) { 2535 /* Direct child node of the component image node */ 2536 2537 /* 2538 * Check subnode name, must be equal to "hash". 2539 * Multiple hash nodes require unique unit node 2540 * names, e.g. hash@1, hash@2, etc. 2541 */ 2542 if (strncmp (fit_get_name(fit, noffset, NULL), 2543 FIT_HASH_NODENAME, 2544 strlen(FIT_HASH_NODENAME)) != 0) { 2545 /* Not a hash subnode, skip it */ 2546 continue; 2547 } 2548 2549 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2550 printf ("Can't get hash algo property for " 2551 "'%s' hash node in '%s' image node\n", 2552 fit_get_name (fit, noffset, NULL), 2553 fit_get_name (fit, image_noffset, NULL)); 2554 return -1; 2555 } 2556 2557 if (calculate_hash (data, size, algo, value, &value_len)) { 2558 printf ("Unsupported hash algorithm (%s) for " 2559 "'%s' hash node in '%s' image node\n", 2560 algo, fit_get_name (fit, noffset, NULL), 2561 fit_get_name (fit, image_noffset, NULL)); 2562 return -1; 2563 } 2564 2565 if (fit_image_hash_set_value (fit, noffset, value, 2566 value_len)) { 2567 printf ("Can't set hash value for " 2568 "'%s' hash node in '%s' image node\n", 2569 fit_get_name (fit, noffset, NULL), 2570 fit_get_name (fit, image_noffset, NULL)); 2571 return -1; 2572 } 2573 } 2574 } 2575 2576 return 0; 2577 } 2578 2579 /** 2580 * fit_image_hash_set_value - set hash value in requested has node 2581 * @fit: pointer to the FIT format image header 2582 * @noffset: hash node offset 2583 * @value: hash value to be set 2584 * @value_len: hash value length 2585 * 2586 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2587 * given and returns operation status to the caller. 2588 * 2589 * returns 2590 * 0, on success 2591 * -1, on failure 2592 */ 2593 int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, 2594 int value_len) 2595 { 2596 int ret; 2597 2598 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); 2599 if (ret) { 2600 printf ("Can't set hash '%s' property for '%s' node (%s)\n", 2601 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), 2602 fdt_strerror (ret)); 2603 return -1; 2604 } 2605 2606 return 0; 2607 } 2608 #endif /* USE_HOSTCC */ 2609 2610 /** 2611 * fit_image_check_hashes - verify data intergity 2612 * @fit: pointer to the FIT format image header 2613 * @image_noffset: component image node offset 2614 * 2615 * fit_image_check_hashes() goes over component image hash nodes, 2616 * re-calculates each data hash and compares with the value stored in hash 2617 * node. 2618 * 2619 * returns: 2620 * 1, if all hashes are valid 2621 * 0, otherwise (or on error) 2622 */ 2623 int fit_image_check_hashes (const void *fit, int image_noffset) 2624 { 2625 const void *data; 2626 size_t size; 2627 char *algo; 2628 uint8_t *fit_value; 2629 int fit_value_len; 2630 uint8_t value[FIT_MAX_HASH_LEN]; 2631 int value_len; 2632 int noffset; 2633 int ndepth; 2634 char *err_msg = ""; 2635 2636 /* Get image data and data length */ 2637 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2638 printf ("Can't get image data/size\n"); 2639 return 0; 2640 } 2641 2642 /* Process all hash subnodes of the component image node */ 2643 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2644 (noffset >= 0) && (ndepth > 0); 2645 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2646 if (ndepth == 1) { 2647 /* Direct child node of the component image node */ 2648 2649 /* 2650 * Check subnode name, must be equal to "hash". 2651 * Multiple hash nodes require unique unit node 2652 * names, e.g. hash@1, hash@2, etc. 2653 */ 2654 if (strncmp (fit_get_name(fit, noffset, NULL), 2655 FIT_HASH_NODENAME, 2656 strlen(FIT_HASH_NODENAME)) != 0) 2657 continue; 2658 2659 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2660 err_msg = " error!\nCan't get hash algo " 2661 "property"; 2662 goto error; 2663 } 2664 printf ("%s", algo); 2665 2666 if (fit_image_hash_get_value (fit, noffset, &fit_value, 2667 &fit_value_len)) { 2668 err_msg = " error!\nCan't get hash value " 2669 "property"; 2670 goto error; 2671 } 2672 2673 if (calculate_hash (data, size, algo, value, &value_len)) { 2674 err_msg = " error!\nUnsupported hash algorithm"; 2675 goto error; 2676 } 2677 2678 if (value_len != fit_value_len) { 2679 err_msg = " error !\nBad hash value len"; 2680 goto error; 2681 } else if (memcmp (value, fit_value, value_len) != 0) { 2682 err_msg = " error!\nBad hash value"; 2683 goto error; 2684 } 2685 printf ("+ "); 2686 } 2687 } 2688 2689 return 1; 2690 2691 error: 2692 printf ("%s for '%s' hash node in '%s' image node\n", 2693 err_msg, fit_get_name (fit, noffset, NULL), 2694 fit_get_name (fit, image_noffset, NULL)); 2695 return 0; 2696 } 2697 2698 /** 2699 * fit_all_image_check_hashes - verify data intergity for all images 2700 * @fit: pointer to the FIT format image header 2701 * 2702 * fit_all_image_check_hashes() goes over all images in the FIT and 2703 * for every images checks if all it's hashes are valid. 2704 * 2705 * returns: 2706 * 1, if all hashes of all images are valid 2707 * 0, otherwise (or on error) 2708 */ 2709 int fit_all_image_check_hashes (const void *fit) 2710 { 2711 int images_noffset; 2712 int noffset; 2713 int ndepth; 2714 int count; 2715 2716 /* Find images parent node offset */ 2717 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2718 if (images_noffset < 0) { 2719 printf ("Can't find images parent node '%s' (%s)\n", 2720 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2721 return 0; 2722 } 2723 2724 /* Process all image subnodes, check hashes for each */ 2725 printf ("## Checking hash(es) for FIT Image at %08lx ...\n", 2726 (ulong)fit); 2727 for (ndepth = 0, count = 0, 2728 noffset = fdt_next_node (fit, images_noffset, &ndepth); 2729 (noffset >= 0) && (ndepth > 0); 2730 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2731 if (ndepth == 1) { 2732 /* 2733 * Direct child node of the images parent node, 2734 * i.e. component image node. 2735 */ 2736 printf (" Hash(es) for Image %u (%s): ", count++, 2737 fit_get_name (fit, noffset, NULL)); 2738 2739 if (!fit_image_check_hashes (fit, noffset)) 2740 return 0; 2741 printf ("\n"); 2742 } 2743 } 2744 return 1; 2745 } 2746 2747 /** 2748 * fit_image_check_os - check whether image node is of a given os type 2749 * @fit: pointer to the FIT format image header 2750 * @noffset: component image node offset 2751 * @os: requested image os 2752 * 2753 * fit_image_check_os() reads image os property and compares its numeric 2754 * id with the requested os. Comparison result is returned to the caller. 2755 * 2756 * returns: 2757 * 1 if image is of given os type 2758 * 0 otherwise (or on error) 2759 */ 2760 int fit_image_check_os (const void *fit, int noffset, uint8_t os) 2761 { 2762 uint8_t image_os; 2763 2764 if (fit_image_get_os (fit, noffset, &image_os)) 2765 return 0; 2766 return (os == image_os); 2767 } 2768 2769 /** 2770 * fit_image_check_arch - check whether image node is of a given arch 2771 * @fit: pointer to the FIT format image header 2772 * @noffset: component image node offset 2773 * @arch: requested imagearch 2774 * 2775 * fit_image_check_arch() reads image arch property and compares its numeric 2776 * id with the requested arch. Comparison result is returned to the caller. 2777 * 2778 * returns: 2779 * 1 if image is of given arch 2780 * 0 otherwise (or on error) 2781 */ 2782 int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) 2783 { 2784 uint8_t image_arch; 2785 2786 if (fit_image_get_arch (fit, noffset, &image_arch)) 2787 return 0; 2788 return (arch == image_arch); 2789 } 2790 2791 /** 2792 * fit_image_check_type - check whether image node is of a given type 2793 * @fit: pointer to the FIT format image header 2794 * @noffset: component image node offset 2795 * @type: requested image type 2796 * 2797 * fit_image_check_type() reads image type property and compares its numeric 2798 * id with the requested type. Comparison result is returned to the caller. 2799 * 2800 * returns: 2801 * 1 if image is of given type 2802 * 0 otherwise (or on error) 2803 */ 2804 int fit_image_check_type (const void *fit, int noffset, uint8_t type) 2805 { 2806 uint8_t image_type; 2807 2808 if (fit_image_get_type (fit, noffset, &image_type)) 2809 return 0; 2810 return (type == image_type); 2811 } 2812 2813 /** 2814 * fit_image_check_comp - check whether image node uses given compression 2815 * @fit: pointer to the FIT format image header 2816 * @noffset: component image node offset 2817 * @comp: requested image compression type 2818 * 2819 * fit_image_check_comp() reads image compression property and compares its 2820 * numeric id with the requested compression type. Comparison result is 2821 * returned to the caller. 2822 * 2823 * returns: 2824 * 1 if image uses requested compression 2825 * 0 otherwise (or on error) 2826 */ 2827 int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) 2828 { 2829 uint8_t image_comp; 2830 2831 if (fit_image_get_comp (fit, noffset, &image_comp)) 2832 return 0; 2833 return (comp == image_comp); 2834 } 2835 2836 /** 2837 * fit_check_format - sanity check FIT image format 2838 * @fit: pointer to the FIT format image header 2839 * 2840 * fit_check_format() runs a basic sanity FIT image verification. 2841 * Routine checks for mandatory properties, nodes, etc. 2842 * 2843 * returns: 2844 * 1, on success 2845 * 0, on failure 2846 */ 2847 int fit_check_format (const void *fit) 2848 { 2849 /* mandatory / node 'description' property */ 2850 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2851 debug ("Wrong FIT format: no description\n"); 2852 return 0; 2853 } 2854 2855 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2856 /* mandatory / node 'timestamp' property */ 2857 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2858 debug ("Wrong FIT format: no timestamp\n"); 2859 return 0; 2860 } 2861 #endif 2862 2863 /* mandatory subimages parent '/images' node */ 2864 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { 2865 debug ("Wrong FIT format: no images parent node\n"); 2866 return 0; 2867 } 2868 2869 return 1; 2870 } 2871 2872 /** 2873 * fit_conf_get_node - get node offset for configuration of a given unit name 2874 * @fit: pointer to the FIT format image header 2875 * @conf_uname: configuration node unit name 2876 * 2877 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2878 * parant node) of a provided unit name. If configuration is found its node offset 2879 * is returned to the caller. 2880 * 2881 * When NULL is provided in second argument fit_conf_get_node() will search 2882 * for a default configuration node instead. Default configuration node unit name 2883 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2884 * 2885 * returns: 2886 * configuration node offset when found (>=0) 2887 * negative number on failure (FDT_ERR_* code) 2888 */ 2889 int fit_conf_get_node (const void *fit, const char *conf_uname) 2890 { 2891 int noffset, confs_noffset; 2892 int len; 2893 2894 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 2895 if (confs_noffset < 0) { 2896 debug ("Can't find configurations parent node '%s' (%s)\n", 2897 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 2898 return confs_noffset; 2899 } 2900 2901 if (conf_uname == NULL) { 2902 /* get configuration unit name from the default property */ 2903 debug ("No configuration specified, trying default...\n"); 2904 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); 2905 if (conf_uname == NULL) { 2906 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); 2907 return len; 2908 } 2909 debug ("Found default configuration: '%s'\n", conf_uname); 2910 } 2911 2912 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); 2913 if (noffset < 0) { 2914 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", 2915 conf_uname, fdt_strerror (noffset)); 2916 } 2917 2918 return noffset; 2919 } 2920 2921 static int __fit_conf_get_prop_node (const void *fit, int noffset, 2922 const char *prop_name) 2923 { 2924 char *uname; 2925 int len; 2926 2927 /* get kernel image unit name from configuration kernel property */ 2928 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); 2929 if (uname == NULL) 2930 return len; 2931 2932 return fit_image_get_node (fit, uname); 2933 } 2934 2935 /** 2936 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 2937 * a given configuration 2938 * @fit: pointer to the FIT format image header 2939 * @noffset: configuration node offset 2940 * 2941 * fit_conf_get_kernel_node() retrives kernel image node unit name from 2942 * configuration FIT_KERNEL_PROP property and translates it to the node 2943 * offset. 2944 * 2945 * returns: 2946 * image node offset when found (>=0) 2947 * negative number on failure (FDT_ERR_* code) 2948 */ 2949 int fit_conf_get_kernel_node (const void *fit, int noffset) 2950 { 2951 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); 2952 } 2953 2954 /** 2955 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 2956 * a given configuration 2957 * @fit: pointer to the FIT format image header 2958 * @noffset: configuration node offset 2959 * 2960 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 2961 * configuration FIT_KERNEL_PROP property and translates it to the node 2962 * offset. 2963 * 2964 * returns: 2965 * image node offset when found (>=0) 2966 * negative number on failure (FDT_ERR_* code) 2967 */ 2968 int fit_conf_get_ramdisk_node (const void *fit, int noffset) 2969 { 2970 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); 2971 } 2972 2973 /** 2974 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 2975 * a given configuration 2976 * @fit: pointer to the FIT format image header 2977 * @noffset: configuration node offset 2978 * 2979 * fit_conf_get_fdt_node() retrives fdt image node unit name from 2980 * configuration FIT_KERNEL_PROP property and translates it to the node 2981 * offset. 2982 * 2983 * returns: 2984 * image node offset when found (>=0) 2985 * negative number on failure (FDT_ERR_* code) 2986 */ 2987 int fit_conf_get_fdt_node (const void *fit, int noffset) 2988 { 2989 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); 2990 } 2991 2992 /** 2993 * fit_conf_print - prints out the FIT configuration details 2994 * @fit: pointer to the FIT format image header 2995 * @noffset: offset of the configuration node 2996 * @p: pointer to prefix string 2997 * 2998 * fit_conf_print() lists all mandatory properies for the processed 2999 * configuration node. 3000 * 3001 * returns: 3002 * no returned results 3003 */ 3004 void fit_conf_print (const void *fit, int noffset, const char *p) 3005 { 3006 char *desc; 3007 char *uname; 3008 int ret; 3009 3010 /* Mandatory properties */ 3011 ret = fit_get_desc (fit, noffset, &desc); 3012 printf ("%s Description: ", p); 3013 if (ret) 3014 printf ("unavailable\n"); 3015 else 3016 printf ("%s\n", desc); 3017 3018 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); 3019 printf ("%s Kernel: ", p); 3020 if (uname == NULL) 3021 printf ("unavailable\n"); 3022 else 3023 printf ("%s\n", uname); 3024 3025 /* Optional properties */ 3026 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); 3027 if (uname) 3028 printf ("%s Init Ramdisk: %s\n", p, uname); 3029 3030 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); 3031 if (uname) 3032 printf ("%s FDT: %s\n", p, uname); 3033 } 3034 3035 /** 3036 * fit_check_ramdisk - verify FIT format ramdisk subimage 3037 * @fit_hdr: pointer to the FIT ramdisk header 3038 * @rd_noffset: ramdisk subimage node offset within FIT image 3039 * @arch: requested ramdisk image architecture type 3040 * @verify: data CRC verification flag 3041 * 3042 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 3043 * specified FIT image. 3044 * 3045 * returns: 3046 * 1, on success 3047 * 0, on failure 3048 */ 3049 #ifndef USE_HOSTCC 3050 static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) 3051 { 3052 fit_image_print (fit, rd_noffset, " "); 3053 3054 if (verify) { 3055 puts (" Verifying Hash Integrity ... "); 3056 if (!fit_image_check_hashes (fit, rd_noffset)) { 3057 puts ("Bad Data Hash\n"); 3058 show_boot_progress (-125); 3059 return 0; 3060 } 3061 puts ("OK\n"); 3062 } 3063 3064 show_boot_progress (126); 3065 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || 3066 !fit_image_check_arch (fit, rd_noffset, arch) || 3067 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { 3068 printf ("No Linux %s Ramdisk Image\n", 3069 genimg_get_arch_name(arch)); 3070 show_boot_progress (-126); 3071 return 0; 3072 } 3073 3074 show_boot_progress (127); 3075 return 1; 3076 } 3077 #endif /* USE_HOSTCC */ 3078 #endif /* CONFIG_FIT */ 3079