1 /* 2 * (C) Copyright 2008 Semihalf 3 * 4 * (C) Copyright 2000-2006 5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 6 * 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 #ifndef USE_HOSTCC 27 #include <common.h> 28 #include <watchdog.h> 29 30 #ifdef CONFIG_SHOW_BOOT_PROGRESS 31 #include <status_led.h> 32 #endif 33 34 #ifdef CONFIG_HAS_DATAFLASH 35 #include <dataflash.h> 36 #endif 37 38 #ifdef CONFIG_LOGBUFFER 39 #include <logbuff.h> 40 #endif 41 42 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) 43 #include <rtc.h> 44 #endif 45 46 #include <image.h> 47 48 #if defined(CONFIG_FIT) || defined (CONFIG_OF_LIBFDT) 49 #include <fdt.h> 50 #include <libfdt.h> 51 #include <fdt_support.h> 52 #endif 53 54 #if defined(CONFIG_FIT) 55 #include <u-boot/md5.h> 56 #include <sha1.h> 57 58 static int fit_check_ramdisk (const void *fit, int os_noffset, 59 uint8_t arch, int verify); 60 #endif 61 62 #ifdef CONFIG_CMD_BDI 63 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); 64 #endif 65 66 DECLARE_GLOBAL_DATA_PTR; 67 68 static const image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, 69 int verify); 70 #else 71 #include "mkimage.h" 72 #include <u-boot/md5.h> 73 #include <time.h> 74 #include <image.h> 75 #endif /* !USE_HOSTCC*/ 76 77 static table_entry_t uimage_arch[] = { 78 { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, 79 { IH_ARCH_ALPHA, "alpha", "Alpha", }, 80 { IH_ARCH_ARM, "arm", "ARM", }, 81 { IH_ARCH_I386, "x86", "Intel x86", }, 82 { IH_ARCH_IA64, "ia64", "IA64", }, 83 { IH_ARCH_M68K, "m68k", "M68K", }, 84 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, 85 { IH_ARCH_MIPS, "mips", "MIPS", }, 86 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, 87 { IH_ARCH_NIOS, "nios", "NIOS", }, 88 { IH_ARCH_NIOS2, "nios2", "NIOS II", }, 89 { IH_ARCH_PPC, "powerpc", "PowerPC", }, 90 { IH_ARCH_PPC, "ppc", "PowerPC", }, 91 { IH_ARCH_S390, "s390", "IBM S390", }, 92 { IH_ARCH_SH, "sh", "SuperH", }, 93 { IH_ARCH_SPARC, "sparc", "SPARC", }, 94 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, 95 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, 96 { IH_ARCH_AVR32, "avr32", "AVR32", }, 97 { -1, "", "", }, 98 }; 99 100 static table_entry_t uimage_os[] = { 101 { IH_OS_INVALID, NULL, "Invalid OS", }, 102 { IH_OS_LINUX, "linux", "Linux", }, 103 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 104 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 105 #endif 106 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 107 { IH_OS_RTEMS, "rtems", "RTEMS", }, 108 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 109 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 110 { IH_OS_QNX, "qnx", "QNX", }, 111 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 112 #endif 113 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC) 114 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", }, 115 #endif 116 #ifdef USE_HOSTCC 117 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 118 { IH_OS_DELL, "dell", "Dell", }, 119 { IH_OS_ESIX, "esix", "Esix", }, 120 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 121 { IH_OS_IRIX, "irix", "Irix", }, 122 { IH_OS_NCR, "ncr", "NCR", }, 123 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 124 { IH_OS_PSOS, "psos", "pSOS", }, 125 { IH_OS_SCO, "sco", "SCO", }, 126 { IH_OS_SOLARIS, "solaris", "Solaris", }, 127 { IH_OS_SVR4, "svr4", "SVR4", }, 128 #endif 129 { -1, "", "", }, 130 }; 131 132 static table_entry_t uimage_type[] = { 133 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 134 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 135 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 136 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 137 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 138 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 139 { IH_TYPE_SCRIPT, "script", "Script", }, 140 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 141 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 142 { IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",}, 143 { -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 { -1, "", "", }, 152 }; 153 154 uint32_t crc32 (uint32_t, const unsigned char *, uint); 155 uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint); 156 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 157 static void genimg_print_time (time_t timestamp); 158 #endif 159 160 /*****************************************************************************/ 161 /* Legacy format routines */ 162 /*****************************************************************************/ 163 int image_check_hcrc (const image_header_t *hdr) 164 { 165 ulong hcrc; 166 ulong len = image_get_header_size (); 167 image_header_t header; 168 169 /* Copy header so we can blank CRC field for re-calculation */ 170 memmove (&header, (char *)hdr, image_get_header_size ()); 171 image_set_hcrc (&header, 0); 172 173 hcrc = crc32 (0, (unsigned char *)&header, len); 174 175 return (hcrc == image_get_hcrc (hdr)); 176 } 177 178 int image_check_dcrc (const image_header_t *hdr) 179 { 180 ulong data = image_get_data (hdr); 181 ulong len = image_get_data_size (hdr); 182 ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32); 183 184 return (dcrc == image_get_dcrc (hdr)); 185 } 186 187 /** 188 * image_multi_count - get component (sub-image) count 189 * @hdr: pointer to the header of the multi component image 190 * 191 * image_multi_count() returns number of components in a multi 192 * component image. 193 * 194 * Note: no checking of the image type is done, caller must pass 195 * a valid multi component image. 196 * 197 * returns: 198 * number of components 199 */ 200 ulong image_multi_count (const image_header_t *hdr) 201 { 202 ulong i, count = 0; 203 uint32_t *size; 204 205 /* get start of the image payload, which in case of multi 206 * component images that points to a table of component sizes */ 207 size = (uint32_t *)image_get_data (hdr); 208 209 /* count non empty slots */ 210 for (i = 0; size[i]; ++i) 211 count++; 212 213 return count; 214 } 215 216 /** 217 * image_multi_getimg - get component data address and size 218 * @hdr: pointer to the header of the multi component image 219 * @idx: index of the requested component 220 * @data: pointer to a ulong variable, will hold component data address 221 * @len: pointer to a ulong variable, will hold component size 222 * 223 * image_multi_getimg() returns size and data address for the requested 224 * component in a multi component image. 225 * 226 * Note: no checking of the image type is done, caller must pass 227 * a valid multi component image. 228 * 229 * returns: 230 * data address and size of the component, if idx is valid 231 * 0 in data and len, if idx is out of range 232 */ 233 void image_multi_getimg (const image_header_t *hdr, ulong idx, 234 ulong *data, ulong *len) 235 { 236 int i; 237 uint32_t *size; 238 ulong offset, count, img_data; 239 240 /* get number of component */ 241 count = image_multi_count (hdr); 242 243 /* get start of the image payload, which in case of multi 244 * component images that points to a table of component sizes */ 245 size = (uint32_t *)image_get_data (hdr); 246 247 /* get address of the proper component data start, which means 248 * skipping sizes table (add 1 for last, null entry) */ 249 img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t); 250 251 if (idx < count) { 252 *len = uimage_to_cpu (size[idx]); 253 offset = 0; 254 255 /* go over all indices preceding requested component idx */ 256 for (i = 0; i < idx; i++) { 257 /* add up i-th component size, rounding up to 4 bytes */ 258 offset += (uimage_to_cpu (size[i]) + 3) & ~3 ; 259 } 260 261 /* calculate idx-th component data address */ 262 *data = img_data + offset; 263 } else { 264 *len = 0; 265 *data = 0; 266 } 267 } 268 269 static void image_print_type (const image_header_t *hdr) 270 { 271 const char *os, *arch, *type, *comp; 272 273 os = genimg_get_os_name (image_get_os (hdr)); 274 arch = genimg_get_arch_name (image_get_arch (hdr)); 275 type = genimg_get_type_name (image_get_type (hdr)); 276 comp = genimg_get_comp_name (image_get_comp (hdr)); 277 278 printf ("%s %s %s (%s)\n", arch, os, type, comp); 279 } 280 281 /** 282 * image_print_contents - prints out the contents of the legacy format image 283 * @ptr: pointer to the legacy format image header 284 * @p: pointer to prefix string 285 * 286 * image_print_contents() formats a multi line legacy image contents description. 287 * The routine prints out all header fields followed by the size/offset data 288 * for MULTI/SCRIPT images. 289 * 290 * returns: 291 * no returned results 292 */ 293 void image_print_contents (const void *ptr) 294 { 295 const image_header_t *hdr = (const image_header_t *)ptr; 296 const char *p; 297 298 #ifdef USE_HOSTCC 299 p = ""; 300 #else 301 p = " "; 302 #endif 303 304 printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); 305 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 306 printf ("%sCreated: ", p); 307 genimg_print_time ((time_t)image_get_time (hdr)); 308 #endif 309 printf ("%sImage Type: ", p); 310 image_print_type (hdr); 311 printf ("%sData Size: ", p); 312 genimg_print_size (image_get_data_size (hdr)); 313 printf ("%sLoad Address: %08x\n", p, image_get_load (hdr)); 314 printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr)); 315 316 if (image_check_type (hdr, IH_TYPE_MULTI) || 317 image_check_type (hdr, IH_TYPE_SCRIPT)) { 318 int i; 319 ulong data, len; 320 ulong count = image_multi_count (hdr); 321 322 printf ("%sContents:\n", p); 323 for (i = 0; i < count; i++) { 324 image_multi_getimg (hdr, i, &data, &len); 325 326 printf ("%s Image %d: ", p, i); 327 genimg_print_size (len); 328 329 if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { 330 /* 331 * the user may need to know offsets 332 * if planning to do something with 333 * multiple files 334 */ 335 printf ("%s Offset = 0x%08lx\n", p, data); 336 } 337 } 338 } 339 } 340 341 342 #ifndef USE_HOSTCC 343 /** 344 * image_get_ramdisk - get and verify ramdisk image 345 * @rd_addr: ramdisk image start address 346 * @arch: expected ramdisk architecture 347 * @verify: checksum verification flag 348 * 349 * image_get_ramdisk() returns a pointer to the verified ramdisk image 350 * header. Routine receives image start address and expected architecture 351 * flag. Verification done covers data and header integrity and os/type/arch 352 * fields checking. 353 * 354 * If dataflash support is enabled routine checks for dataflash addresses 355 * and handles required dataflash reads. 356 * 357 * returns: 358 * pointer to a ramdisk image header, if image was found and valid 359 * otherwise, return NULL 360 */ 361 static const image_header_t *image_get_ramdisk (ulong rd_addr, uint8_t arch, 362 int verify) 363 { 364 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 365 366 if (!image_check_magic (rd_hdr)) { 367 puts ("Bad Magic Number\n"); 368 show_boot_progress (-10); 369 return NULL; 370 } 371 372 if (!image_check_hcrc (rd_hdr)) { 373 puts ("Bad Header Checksum\n"); 374 show_boot_progress (-11); 375 return NULL; 376 } 377 378 show_boot_progress (10); 379 image_print_contents (rd_hdr); 380 381 if (verify) { 382 puts(" Verifying Checksum ... "); 383 if (!image_check_dcrc (rd_hdr)) { 384 puts ("Bad Data CRC\n"); 385 show_boot_progress (-12); 386 return NULL; 387 } 388 puts("OK\n"); 389 } 390 391 show_boot_progress (11); 392 393 if (!image_check_os (rd_hdr, IH_OS_LINUX) || 394 !image_check_arch (rd_hdr, arch) || 395 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { 396 printf ("No Linux %s Ramdisk Image\n", 397 genimg_get_arch_name(arch)); 398 show_boot_progress (-13); 399 return NULL; 400 } 401 402 return rd_hdr; 403 } 404 #endif /* !USE_HOSTCC */ 405 406 /*****************************************************************************/ 407 /* Shared dual-format routines */ 408 /*****************************************************************************/ 409 #ifndef USE_HOSTCC 410 int getenv_yesno (char *var) 411 { 412 char *s = getenv (var); 413 return (s && (*s == 'n')) ? 0 : 1; 414 } 415 416 ulong getenv_bootm_low(void) 417 { 418 char *s = getenv ("bootm_low"); 419 if (s) { 420 ulong tmp = simple_strtoul (s, NULL, 16); 421 return tmp; 422 } 423 424 #if defined(CONFIG_SYS_SDRAM_BASE) 425 return CONFIG_SYS_SDRAM_BASE; 426 #elif defined(CONFIG_ARM) 427 return gd->bd->bi_dram[0].start; 428 #else 429 return 0; 430 #endif 431 } 432 433 phys_size_t getenv_bootm_size(void) 434 { 435 char *s = getenv ("bootm_size"); 436 if (s) { 437 phys_size_t tmp; 438 #ifdef CONFIG_SYS_64BIT_STRTOUL 439 tmp = (phys_size_t)simple_strtoull (s, NULL, 16); 440 #else 441 tmp = (phys_size_t)simple_strtoul (s, NULL, 16); 442 #endif 443 return tmp; 444 } 445 446 #if defined(CONFIG_ARM) 447 return gd->bd->bi_dram[0].size; 448 #else 449 return gd->bd->bi_memsize; 450 #endif 451 } 452 453 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 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 #ifdef USE_HOSTCC 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 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) 582 return (t->id); 583 } 584 debug ("Invalid %s Type: %s\n", table_name, name); 585 #endif /* USE_HOSTCC */ 586 return (-1); 587 } 588 589 int genimg_get_os_id (const char *name) 590 { 591 return (get_table_entry_id (uimage_os, "OS", name)); 592 } 593 594 int genimg_get_arch_id (const char *name) 595 { 596 return (get_table_entry_id (uimage_arch, "CPU", name)); 597 } 598 599 int genimg_get_type_id (const char *name) 600 { 601 return (get_table_entry_id (uimage_type, "Image", name)); 602 } 603 604 int genimg_get_comp_id (const char *name) 605 { 606 return (get_table_entry_id (uimage_comp, "Compression", name)); 607 } 608 609 #ifndef USE_HOSTCC 610 /** 611 * genimg_get_format - get image format type 612 * @img_addr: image start address 613 * 614 * genimg_get_format() checks whether provided address points to a valid 615 * legacy or FIT image. 616 * 617 * New uImage format and FDT blob are based on a libfdt. FDT blob 618 * may be passed directly or embedded in a FIT image. In both situations 619 * genimg_get_format() must be able to dectect libfdt header. 620 * 621 * returns: 622 * image format type or IMAGE_FORMAT_INVALID if no image is present 623 */ 624 int genimg_get_format (void *img_addr) 625 { 626 ulong format = IMAGE_FORMAT_INVALID; 627 const image_header_t *hdr; 628 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 629 char *fit_hdr; 630 #endif 631 632 hdr = (const image_header_t *)img_addr; 633 if (image_check_magic(hdr)) 634 format = IMAGE_FORMAT_LEGACY; 635 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 636 else { 637 fit_hdr = (char *)img_addr; 638 if (fdt_check_header (fit_hdr) == 0) 639 format = IMAGE_FORMAT_FIT; 640 } 641 #endif 642 643 return format; 644 } 645 646 /** 647 * genimg_get_image - get image from special storage (if necessary) 648 * @img_addr: image start address 649 * 650 * genimg_get_image() checks if provided image start adddress is located 651 * in a dataflash storage. If so, image is moved to a system RAM memory. 652 * 653 * returns: 654 * image start address after possible relocation from special storage 655 */ 656 ulong genimg_get_image (ulong img_addr) 657 { 658 ulong ram_addr = img_addr; 659 660 #ifdef CONFIG_HAS_DATAFLASH 661 ulong h_size, d_size; 662 663 if (addr_dataflash (img_addr)){ 664 /* ger RAM address */ 665 ram_addr = CONFIG_SYS_LOAD_ADDR; 666 667 /* get header size */ 668 h_size = image_get_header_size (); 669 #if defined(CONFIG_FIT) 670 if (sizeof(struct fdt_header) > h_size) 671 h_size = sizeof(struct fdt_header); 672 #endif 673 674 /* read in header */ 675 debug (" Reading image header from dataflash address " 676 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 677 678 read_dataflash (img_addr, h_size, (char *)ram_addr); 679 680 /* get data size */ 681 switch (genimg_get_format ((void *)ram_addr)) { 682 case IMAGE_FORMAT_LEGACY: 683 d_size = image_get_data_size ((const image_header_t *)ram_addr); 684 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", 685 ram_addr, d_size); 686 break; 687 #if defined(CONFIG_FIT) 688 case IMAGE_FORMAT_FIT: 689 d_size = fit_get_size ((const void *)ram_addr) - h_size; 690 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", 691 ram_addr, d_size); 692 break; 693 #endif 694 default: 695 printf (" No valid image found at 0x%08lx\n", img_addr); 696 return ram_addr; 697 } 698 699 /* read in image data */ 700 debug (" Reading image remaining data from dataflash address " 701 "%08lx to RAM address %08lx\n", img_addr + h_size, 702 ram_addr + h_size); 703 704 read_dataflash (img_addr + h_size, d_size, 705 (char *)(ram_addr + h_size)); 706 707 } 708 #endif /* CONFIG_HAS_DATAFLASH */ 709 710 return ram_addr; 711 } 712 713 /** 714 * fit_has_config - check if there is a valid FIT configuration 715 * @images: pointer to the bootm command headers structure 716 * 717 * fit_has_config() checks if there is a FIT configuration in use 718 * (if FTI support is present). 719 * 720 * returns: 721 * 0, no FIT support or no configuration found 722 * 1, configuration found 723 */ 724 int genimg_has_config (bootm_headers_t *images) 725 { 726 #if defined(CONFIG_FIT) 727 if (images->fit_uname_cfg) 728 return 1; 729 #endif 730 return 0; 731 } 732 733 /** 734 * boot_get_ramdisk - main ramdisk handling routine 735 * @argc: command argument count 736 * @argv: command argument list 737 * @images: pointer to the bootm images structure 738 * @arch: expected ramdisk architecture 739 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 740 * @rd_end: pointer to a ulong variable, will hold ramdisk end 741 * 742 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 743 * Curently supported are the following ramdisk sources: 744 * - multicomponent kernel/ramdisk image, 745 * - commandline provided address of decicated ramdisk image. 746 * 747 * returns: 748 * 0, if ramdisk image was found and valid, or skiped 749 * rd_start and rd_end are set to ramdisk start/end addresses if 750 * ramdisk image is found and valid 751 * 752 * 1, if ramdisk image is found but corrupted, or invalid 753 * rd_start and rd_end are set to 0 if no ramdisk exists 754 */ 755 int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images, 756 uint8_t arch, ulong *rd_start, ulong *rd_end) 757 { 758 ulong rd_addr, rd_load; 759 ulong rd_data, rd_len; 760 const image_header_t *rd_hdr; 761 #if defined(CONFIG_FIT) 762 void *fit_hdr; 763 const char *fit_uname_config = NULL; 764 const char *fit_uname_ramdisk = NULL; 765 ulong default_addr; 766 int rd_noffset; 767 int cfg_noffset; 768 const void *data; 769 size_t size; 770 #endif 771 772 *rd_start = 0; 773 *rd_end = 0; 774 775 /* 776 * Look for a '-' which indicates to ignore the 777 * ramdisk argument 778 */ 779 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 780 debug ("## Skipping init Ramdisk\n"); 781 rd_len = rd_data = 0; 782 } else if (argc >= 3 || genimg_has_config (images)) { 783 #if defined(CONFIG_FIT) 784 if (argc >= 3) { 785 /* 786 * If the init ramdisk comes from the FIT image and 787 * the FIT image address is omitted in the command 788 * line argument, try to use os FIT image address or 789 * default load address. 790 */ 791 if (images->fit_uname_os) 792 default_addr = (ulong)images->fit_hdr_os; 793 else 794 default_addr = load_addr; 795 796 if (fit_parse_conf (argv[2], default_addr, 797 &rd_addr, &fit_uname_config)) { 798 debug ("* ramdisk: config '%s' from image at 0x%08lx\n", 799 fit_uname_config, rd_addr); 800 } else if (fit_parse_subimage (argv[2], default_addr, 801 &rd_addr, &fit_uname_ramdisk)) { 802 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", 803 fit_uname_ramdisk, rd_addr); 804 } else 805 #endif 806 { 807 rd_addr = simple_strtoul(argv[2], NULL, 16); 808 debug ("* ramdisk: cmdline image address = 0x%08lx\n", 809 rd_addr); 810 } 811 #if defined(CONFIG_FIT) 812 } else { 813 /* use FIT configuration provided in first bootm 814 * command argument 815 */ 816 rd_addr = (ulong)images->fit_hdr_os; 817 fit_uname_config = images->fit_uname_cfg; 818 debug ("* ramdisk: using config '%s' from image at 0x%08lx\n", 819 fit_uname_config, rd_addr); 820 821 /* 822 * Check whether configuration has ramdisk defined, 823 * if not, don't try to use it, quit silently. 824 */ 825 fit_hdr = (void *)rd_addr; 826 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 827 if (cfg_noffset < 0) { 828 debug ("* ramdisk: no such config\n"); 829 return 1; 830 } 831 832 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 833 if (rd_noffset < 0) { 834 debug ("* ramdisk: no ramdisk in config\n"); 835 return 0; 836 } 837 } 838 #endif 839 840 /* copy from dataflash if needed */ 841 rd_addr = genimg_get_image (rd_addr); 842 843 /* 844 * Check if there is an initrd image at the 845 * address provided in the second bootm argument 846 * check image type, for FIT images get FIT node. 847 */ 848 switch (genimg_get_format ((void *)rd_addr)) { 849 case IMAGE_FORMAT_LEGACY: 850 printf ("## Loading init Ramdisk from Legacy " 851 "Image at %08lx ...\n", rd_addr); 852 853 show_boot_progress (9); 854 rd_hdr = image_get_ramdisk (rd_addr, arch, 855 images->verify); 856 857 if (rd_hdr == NULL) 858 return 1; 859 860 rd_data = image_get_data (rd_hdr); 861 rd_len = image_get_data_size (rd_hdr); 862 rd_load = image_get_load (rd_hdr); 863 break; 864 #if defined(CONFIG_FIT) 865 case IMAGE_FORMAT_FIT: 866 fit_hdr = (void *)rd_addr; 867 printf ("## Loading init Ramdisk from FIT " 868 "Image at %08lx ...\n", rd_addr); 869 870 show_boot_progress (120); 871 if (!fit_check_format (fit_hdr)) { 872 puts ("Bad FIT ramdisk image format!\n"); 873 show_boot_progress (-120); 874 return 1; 875 } 876 show_boot_progress (121); 877 878 if (!fit_uname_ramdisk) { 879 /* 880 * no ramdisk image node unit name, try to get config 881 * node first. If config unit node name is NULL 882 * fit_conf_get_node() will try to find default config node 883 */ 884 show_boot_progress (122); 885 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 886 if (cfg_noffset < 0) { 887 puts ("Could not find configuration node\n"); 888 show_boot_progress (-122); 889 return 1; 890 } 891 fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL); 892 printf (" Using '%s' configuration\n", fit_uname_config); 893 894 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 895 fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); 896 } else { 897 /* get ramdisk component image node offset */ 898 show_boot_progress (123); 899 rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); 900 } 901 if (rd_noffset < 0) { 902 puts ("Could not find subimage node\n"); 903 show_boot_progress (-124); 904 return 1; 905 } 906 907 printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); 908 909 show_boot_progress (125); 910 if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) 911 return 1; 912 913 /* get ramdisk image data address and length */ 914 if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { 915 puts ("Could not find ramdisk subimage data!\n"); 916 show_boot_progress (-127); 917 return 1; 918 } 919 show_boot_progress (128); 920 921 rd_data = (ulong)data; 922 rd_len = size; 923 924 if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { 925 puts ("Can't get ramdisk subimage load address!\n"); 926 show_boot_progress (-129); 927 return 1; 928 } 929 show_boot_progress (129); 930 931 images->fit_hdr_rd = fit_hdr; 932 images->fit_uname_rd = fit_uname_ramdisk; 933 images->fit_noffset_rd = rd_noffset; 934 break; 935 #endif 936 default: 937 puts ("Wrong Ramdisk Image Format\n"); 938 rd_data = rd_len = rd_load = 0; 939 return 1; 940 } 941 942 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 943 /* 944 * We need to copy the ramdisk to SRAM to let Linux boot 945 */ 946 if (rd_data) { 947 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 948 rd_data = rd_load; 949 } 950 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 951 952 } else if (images->legacy_hdr_valid && 953 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 954 /* 955 * Now check if we have a legacy mult-component image, 956 * get second entry data start address and len. 957 */ 958 show_boot_progress (13); 959 printf ("## Loading init Ramdisk from multi component " 960 "Legacy Image at %08lx ...\n", 961 (ulong)images->legacy_hdr_os); 962 963 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 964 } else { 965 /* 966 * no initrd image 967 */ 968 show_boot_progress (14); 969 rd_len = rd_data = 0; 970 } 971 972 if (!rd_data) { 973 debug ("## No init Ramdisk\n"); 974 } else { 975 *rd_start = rd_data; 976 *rd_end = rd_data + rd_len; 977 } 978 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 979 *rd_start, *rd_end); 980 981 return 0; 982 } 983 984 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) 985 /** 986 * boot_ramdisk_high - relocate init ramdisk 987 * @lmb: pointer to lmb handle, will be used for memory mgmt 988 * @rd_data: ramdisk data start address 989 * @rd_len: ramdisk data length 990 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 991 * start address (after possible relocation) 992 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 993 * end address (after possible relocation) 994 * 995 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 996 * variable and if requested ramdisk data is moved to a specified location. 997 * 998 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 999 * start/end addresses if ramdisk image start and len were provided, 1000 * otherwise set initrd_start and initrd_end set to zeros. 1001 * 1002 * returns: 1003 * 0 - success 1004 * -1 - failure 1005 */ 1006 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 1007 ulong *initrd_start, ulong *initrd_end) 1008 { 1009 char *s; 1010 ulong initrd_high; 1011 int initrd_copy_to_ram = 1; 1012 1013 if ((s = getenv ("initrd_high")) != NULL) { 1014 /* a value of "no" or a similar string will act like 0, 1015 * turning the "load high" feature off. This is intentional. 1016 */ 1017 initrd_high = simple_strtoul (s, NULL, 16); 1018 if (initrd_high == ~0) 1019 initrd_copy_to_ram = 0; 1020 } else { 1021 /* not set, no restrictions to load high */ 1022 initrd_high = ~0; 1023 } 1024 1025 1026 #ifdef CONFIG_LOGBUFFER 1027 /* Prevent initrd from overwriting logbuffer */ 1028 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1029 #endif 1030 1031 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1032 initrd_high, initrd_copy_to_ram); 1033 1034 if (rd_data) { 1035 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1036 debug (" in-place initrd\n"); 1037 *initrd_start = rd_data; 1038 *initrd_end = rd_data + rd_len; 1039 lmb_reserve(lmb, rd_data, rd_len); 1040 } else { 1041 if (initrd_high) 1042 *initrd_start = (ulong)lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 1043 else 1044 *initrd_start = (ulong)lmb_alloc (lmb, rd_len, 0x1000); 1045 1046 if (*initrd_start == 0) { 1047 puts ("ramdisk - allocation error\n"); 1048 goto error; 1049 } 1050 show_boot_progress (12); 1051 1052 *initrd_end = *initrd_start + rd_len; 1053 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 1054 *initrd_start, *initrd_end); 1055 1056 memmove_wd ((void *)*initrd_start, 1057 (void *)rd_data, rd_len, CHUNKSZ); 1058 1059 puts ("OK\n"); 1060 } 1061 } else { 1062 *initrd_start = 0; 1063 *initrd_end = 0; 1064 } 1065 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1066 *initrd_start, *initrd_end); 1067 1068 return 0; 1069 1070 error: 1071 return -1; 1072 } 1073 #endif /* defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) */ 1074 1075 #ifdef CONFIG_OF_LIBFDT 1076 static void fdt_error (const char *msg) 1077 { 1078 puts ("ERROR: "); 1079 puts (msg); 1080 puts (" - must RESET the board to recover.\n"); 1081 } 1082 1083 static const image_header_t *image_get_fdt (ulong fdt_addr) 1084 { 1085 const image_header_t *fdt_hdr = (const image_header_t *)fdt_addr; 1086 1087 image_print_contents (fdt_hdr); 1088 1089 puts (" Verifying Checksum ... "); 1090 if (!image_check_hcrc (fdt_hdr)) { 1091 fdt_error ("fdt header checksum invalid"); 1092 return NULL; 1093 } 1094 1095 if (!image_check_dcrc (fdt_hdr)) { 1096 fdt_error ("fdt checksum invalid"); 1097 return NULL; 1098 } 1099 puts ("OK\n"); 1100 1101 if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) { 1102 fdt_error ("uImage is not a fdt"); 1103 return NULL; 1104 } 1105 if (image_get_comp (fdt_hdr) != IH_COMP_NONE) { 1106 fdt_error ("uImage is compressed"); 1107 return NULL; 1108 } 1109 if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) { 1110 fdt_error ("uImage data is not a fdt"); 1111 return NULL; 1112 } 1113 return fdt_hdr; 1114 } 1115 1116 /** 1117 * fit_check_fdt - verify FIT format FDT subimage 1118 * @fit_hdr: pointer to the FIT header 1119 * fdt_noffset: FDT subimage node offset within FIT image 1120 * @verify: data CRC verification flag 1121 * 1122 * fit_check_fdt() verifies integrity of the FDT subimage and from 1123 * specified FIT image. 1124 * 1125 * returns: 1126 * 1, on success 1127 * 0, on failure 1128 */ 1129 #if defined(CONFIG_FIT) 1130 static int fit_check_fdt (const void *fit, int fdt_noffset, int verify) 1131 { 1132 fit_image_print (fit, fdt_noffset, " "); 1133 1134 if (verify) { 1135 puts (" Verifying Hash Integrity ... "); 1136 if (!fit_image_check_hashes (fit, fdt_noffset)) { 1137 fdt_error ("Bad Data Hash"); 1138 return 0; 1139 } 1140 puts ("OK\n"); 1141 } 1142 1143 if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) { 1144 fdt_error ("Not a FDT image"); 1145 return 0; 1146 } 1147 1148 if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) { 1149 fdt_error ("FDT image is compressed"); 1150 return 0; 1151 } 1152 1153 return 1; 1154 } 1155 #endif /* CONFIG_FIT */ 1156 1157 #ifndef CONFIG_SYS_FDT_PAD 1158 #define CONFIG_SYS_FDT_PAD 0x3000 1159 #endif 1160 1161 /** 1162 * boot_relocate_fdt - relocate flat device tree 1163 * @lmb: pointer to lmb handle, will be used for memory mgmt 1164 * @bootmap_base: base address of the bootmap region 1165 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1166 * @of_size: pointer to a ulong variable, will hold fdt length 1167 * 1168 * boot_relocate_fdt() determines if the of_flat_tree address is within 1169 * the bootmap and if not relocates it into that region 1170 * 1171 * of_flat_tree and of_size are set to final (after relocation) values 1172 * 1173 * returns: 1174 * 0 - success 1175 * 1 - failure 1176 */ 1177 int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base, 1178 char **of_flat_tree, ulong *of_size) 1179 { 1180 char *fdt_blob = *of_flat_tree; 1181 ulong relocate = 0; 1182 ulong of_len = 0; 1183 1184 /* nothing to do */ 1185 if (*of_size == 0) 1186 return 0; 1187 1188 if (fdt_check_header (fdt_blob) != 0) { 1189 fdt_error ("image is not a fdt"); 1190 goto error; 1191 } 1192 1193 #ifndef CONFIG_SYS_NO_FLASH 1194 /* move the blob if it is in flash (set relocate) */ 1195 if (addr2info ((ulong)fdt_blob) != NULL) 1196 relocate = 1; 1197 #endif 1198 1199 /* 1200 * The blob needs to be inside the boot mapping. 1201 */ 1202 if (fdt_blob < (char *)bootmap_base) 1203 relocate = 1; 1204 1205 if ((fdt_blob + *of_size + CONFIG_SYS_FDT_PAD) >= 1206 ((char *)CONFIG_SYS_BOOTMAPSZ + bootmap_base)) 1207 relocate = 1; 1208 1209 /* move flattend device tree if needed */ 1210 if (relocate) { 1211 int err; 1212 ulong of_start = 0; 1213 1214 /* position on a 4K boundary before the alloc_current */ 1215 /* Pad the FDT by a specified amount */ 1216 of_len = *of_size + CONFIG_SYS_FDT_PAD; 1217 of_start = (unsigned long)lmb_alloc_base(lmb, of_len, 0x1000, 1218 (CONFIG_SYS_BOOTMAPSZ + bootmap_base)); 1219 1220 if (of_start == 0) { 1221 puts("device tree - allocation error\n"); 1222 goto error; 1223 } 1224 1225 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", 1226 (ulong)fdt_blob, (ulong)fdt_blob + *of_size - 1, 1227 of_len, of_len); 1228 1229 printf (" Loading Device Tree to %08lx, end %08lx ... ", 1230 of_start, of_start + of_len - 1); 1231 1232 err = fdt_open_into (fdt_blob, (void *)of_start, of_len); 1233 if (err != 0) { 1234 fdt_error ("fdt move failed"); 1235 goto error; 1236 } 1237 puts ("OK\n"); 1238 1239 *of_flat_tree = (char *)of_start; 1240 *of_size = of_len; 1241 } else { 1242 *of_flat_tree = fdt_blob; 1243 of_len = (CONFIG_SYS_BOOTMAPSZ + bootmap_base) - (ulong)fdt_blob; 1244 lmb_reserve(lmb, (ulong)fdt_blob, of_len); 1245 fdt_set_totalsize(*of_flat_tree, of_len); 1246 1247 *of_size = of_len; 1248 } 1249 1250 set_working_fdt_addr(*of_flat_tree); 1251 return 0; 1252 1253 error: 1254 return 1; 1255 } 1256 1257 /** 1258 * boot_get_fdt - main fdt handling routine 1259 * @argc: command argument count 1260 * @argv: command argument list 1261 * @images: pointer to the bootm images structure 1262 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1263 * @of_size: pointer to a ulong variable, will hold fdt length 1264 * 1265 * boot_get_fdt() is responsible for finding a valid flat device tree image. 1266 * Curently supported are the following ramdisk sources: 1267 * - multicomponent kernel/ramdisk image, 1268 * - commandline provided address of decicated ramdisk image. 1269 * 1270 * returns: 1271 * 0, if fdt image was found and valid, or skipped 1272 * of_flat_tree and of_size are set to fdt start address and length if 1273 * fdt image is found and valid 1274 * 1275 * 1, if fdt image is found but corrupted 1276 * of_flat_tree and of_size are set to 0 if no fdt exists 1277 */ 1278 int boot_get_fdt (int flag, int argc, char *argv[], bootm_headers_t *images, 1279 char **of_flat_tree, ulong *of_size) 1280 { 1281 const image_header_t *fdt_hdr; 1282 ulong fdt_addr; 1283 char *fdt_blob = NULL; 1284 ulong image_start, image_end; 1285 ulong load_start, load_end; 1286 #if defined(CONFIG_FIT) 1287 void *fit_hdr; 1288 const char *fit_uname_config = NULL; 1289 const char *fit_uname_fdt = NULL; 1290 ulong default_addr; 1291 int cfg_noffset; 1292 int fdt_noffset; 1293 const void *data; 1294 size_t size; 1295 #endif 1296 1297 *of_flat_tree = NULL; 1298 *of_size = 0; 1299 1300 if (argc > 3 || genimg_has_config (images)) { 1301 #if defined(CONFIG_FIT) 1302 if (argc > 3) { 1303 /* 1304 * If the FDT blob comes from the FIT image and the 1305 * FIT image address is omitted in the command line 1306 * argument, try to use ramdisk or os FIT image 1307 * address or default load address. 1308 */ 1309 if (images->fit_uname_rd) 1310 default_addr = (ulong)images->fit_hdr_rd; 1311 else if (images->fit_uname_os) 1312 default_addr = (ulong)images->fit_hdr_os; 1313 else 1314 default_addr = load_addr; 1315 1316 if (fit_parse_conf (argv[3], default_addr, 1317 &fdt_addr, &fit_uname_config)) { 1318 debug ("* fdt: config '%s' from image at 0x%08lx\n", 1319 fit_uname_config, fdt_addr); 1320 } else if (fit_parse_subimage (argv[3], default_addr, 1321 &fdt_addr, &fit_uname_fdt)) { 1322 debug ("* fdt: subimage '%s' from image at 0x%08lx\n", 1323 fit_uname_fdt, fdt_addr); 1324 } else 1325 #endif 1326 { 1327 fdt_addr = simple_strtoul(argv[3], NULL, 16); 1328 debug ("* fdt: cmdline image address = 0x%08lx\n", 1329 fdt_addr); 1330 } 1331 #if defined(CONFIG_FIT) 1332 } else { 1333 /* use FIT configuration provided in first bootm 1334 * command argument 1335 */ 1336 fdt_addr = (ulong)images->fit_hdr_os; 1337 fit_uname_config = images->fit_uname_cfg; 1338 debug ("* fdt: using config '%s' from image at 0x%08lx\n", 1339 fit_uname_config, fdt_addr); 1340 1341 /* 1342 * Check whether configuration has FDT blob defined, 1343 * if not quit silently. 1344 */ 1345 fit_hdr = (void *)fdt_addr; 1346 cfg_noffset = fit_conf_get_node (fit_hdr, 1347 fit_uname_config); 1348 if (cfg_noffset < 0) { 1349 debug ("* fdt: no such config\n"); 1350 return 0; 1351 } 1352 1353 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1354 cfg_noffset); 1355 if (fdt_noffset < 0) { 1356 debug ("* fdt: no fdt in config\n"); 1357 return 0; 1358 } 1359 } 1360 #endif 1361 1362 debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n", 1363 fdt_addr); 1364 1365 /* copy from dataflash if needed */ 1366 fdt_addr = genimg_get_image (fdt_addr); 1367 1368 /* 1369 * Check if there is an FDT image at the 1370 * address provided in the second bootm argument 1371 * check image type, for FIT images get a FIT node. 1372 */ 1373 switch (genimg_get_format ((void *)fdt_addr)) { 1374 case IMAGE_FORMAT_LEGACY: 1375 /* verify fdt_addr points to a valid image header */ 1376 printf ("## Flattened Device Tree from Legacy Image at %08lx\n", 1377 fdt_addr); 1378 fdt_hdr = image_get_fdt (fdt_addr); 1379 if (!fdt_hdr) 1380 goto error; 1381 1382 /* 1383 * move image data to the load address, 1384 * make sure we don't overwrite initial image 1385 */ 1386 image_start = (ulong)fdt_hdr; 1387 image_end = image_get_image_end (fdt_hdr); 1388 1389 load_start = image_get_load (fdt_hdr); 1390 load_end = load_start + image_get_data_size (fdt_hdr); 1391 1392 if ((load_start < image_end) && (load_end > image_start)) { 1393 fdt_error ("fdt overwritten"); 1394 goto error; 1395 } 1396 1397 debug (" Loading FDT from 0x%08lx to 0x%08lx\n", 1398 image_get_data (fdt_hdr), load_start); 1399 1400 memmove ((void *)load_start, 1401 (void *)image_get_data (fdt_hdr), 1402 image_get_data_size (fdt_hdr)); 1403 1404 fdt_blob = (char *)load_start; 1405 break; 1406 case IMAGE_FORMAT_FIT: 1407 /* 1408 * This case will catch both: new uImage format 1409 * (libfdt based) and raw FDT blob (also libfdt 1410 * based). 1411 */ 1412 #if defined(CONFIG_FIT) 1413 /* check FDT blob vs FIT blob */ 1414 if (fit_check_format ((const void *)fdt_addr)) { 1415 /* 1416 * FIT image 1417 */ 1418 fit_hdr = (void *)fdt_addr; 1419 printf ("## Flattened Device Tree from FIT Image at %08lx\n", 1420 fdt_addr); 1421 1422 if (!fit_uname_fdt) { 1423 /* 1424 * no FDT blob image node unit name, 1425 * try to get config node first. If 1426 * config unit node name is NULL 1427 * fit_conf_get_node() will try to 1428 * find default config node 1429 */ 1430 cfg_noffset = fit_conf_get_node (fit_hdr, 1431 fit_uname_config); 1432 1433 if (cfg_noffset < 0) { 1434 fdt_error ("Could not find configuration node\n"); 1435 goto error; 1436 } 1437 1438 fit_uname_config = fdt_get_name (fit_hdr, 1439 cfg_noffset, NULL); 1440 printf (" Using '%s' configuration\n", 1441 fit_uname_config); 1442 1443 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1444 cfg_noffset); 1445 fit_uname_fdt = fit_get_name (fit_hdr, 1446 fdt_noffset, NULL); 1447 } else { 1448 /* get FDT component image node offset */ 1449 fdt_noffset = fit_image_get_node (fit_hdr, 1450 fit_uname_fdt); 1451 } 1452 if (fdt_noffset < 0) { 1453 fdt_error ("Could not find subimage node\n"); 1454 goto error; 1455 } 1456 1457 printf (" Trying '%s' FDT blob subimage\n", 1458 fit_uname_fdt); 1459 1460 if (!fit_check_fdt (fit_hdr, fdt_noffset, 1461 images->verify)) 1462 goto error; 1463 1464 /* get ramdisk image data address and length */ 1465 if (fit_image_get_data (fit_hdr, fdt_noffset, 1466 &data, &size)) { 1467 fdt_error ("Could not find FDT subimage data"); 1468 goto error; 1469 } 1470 1471 /* verift that image data is a proper FDT blob */ 1472 if (fdt_check_header ((char *)data) != 0) { 1473 fdt_error ("Subimage data is not a FTD"); 1474 goto error; 1475 } 1476 1477 /* 1478 * move image data to the load address, 1479 * make sure we don't overwrite initial image 1480 */ 1481 image_start = (ulong)fit_hdr; 1482 image_end = fit_get_end (fit_hdr); 1483 1484 if (fit_image_get_load (fit_hdr, fdt_noffset, 1485 &load_start) == 0) { 1486 load_end = load_start + size; 1487 1488 if ((load_start < image_end) && 1489 (load_end > image_start)) { 1490 fdt_error ("FDT overwritten"); 1491 goto error; 1492 } 1493 1494 printf (" Loading FDT from 0x%08lx to 0x%08lx\n", 1495 (ulong)data, load_start); 1496 1497 memmove ((void *)load_start, 1498 (void *)data, size); 1499 1500 fdt_blob = (char *)load_start; 1501 } else { 1502 fdt_blob = (char *)data; 1503 } 1504 1505 images->fit_hdr_fdt = fit_hdr; 1506 images->fit_uname_fdt = fit_uname_fdt; 1507 images->fit_noffset_fdt = fdt_noffset; 1508 break; 1509 } else 1510 #endif 1511 { 1512 /* 1513 * FDT blob 1514 */ 1515 fdt_blob = (char *)fdt_addr; 1516 debug ("* fdt: raw FDT blob\n"); 1517 printf ("## Flattened Device Tree blob at %08lx\n", (long)fdt_blob); 1518 } 1519 break; 1520 default: 1521 puts ("ERROR: Did not find a cmdline Flattened Device Tree\n"); 1522 goto error; 1523 } 1524 1525 printf (" Booting using the fdt blob at 0x%x\n", (int)fdt_blob); 1526 1527 } else if (images->legacy_hdr_valid && 1528 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 1529 1530 ulong fdt_data, fdt_len; 1531 1532 /* 1533 * Now check if we have a legacy multi-component image, 1534 * get second entry data start address and len. 1535 */ 1536 printf ("## Flattened Device Tree from multi " 1537 "component Image at %08lX\n", 1538 (ulong)images->legacy_hdr_os); 1539 1540 image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len); 1541 if (fdt_len) { 1542 1543 fdt_blob = (char *)fdt_data; 1544 printf (" Booting using the fdt at 0x%x\n", (int)fdt_blob); 1545 1546 if (fdt_check_header (fdt_blob) != 0) { 1547 fdt_error ("image is not a fdt"); 1548 goto error; 1549 } 1550 1551 if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) { 1552 fdt_error ("fdt size != image size"); 1553 goto error; 1554 } 1555 } else { 1556 debug ("## No Flattened Device Tree\n"); 1557 return 0; 1558 } 1559 } else { 1560 debug ("## No Flattened Device Tree\n"); 1561 return 0; 1562 } 1563 1564 *of_flat_tree = fdt_blob; 1565 *of_size = be32_to_cpu (fdt_totalsize (fdt_blob)); 1566 debug (" of_flat_tree at 0x%08lx size 0x%08lx\n", 1567 (ulong)*of_flat_tree, *of_size); 1568 1569 return 0; 1570 1571 error: 1572 *of_flat_tree = 0; 1573 *of_size = 0; 1574 return 1; 1575 } 1576 #endif /* CONFIG_OF_LIBFDT */ 1577 1578 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) 1579 /** 1580 * boot_get_cmdline - allocate and initialize kernel cmdline 1581 * @lmb: pointer to lmb handle, will be used for memory mgmt 1582 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1583 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1584 * @bootmap_base: ulong variable, holds offset in physical memory to 1585 * base of bootmap 1586 * 1587 * boot_get_cmdline() allocates space for kernel command line below 1588 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 1589 * variable is present its contents is copied to allocated kernel 1590 * command line. 1591 * 1592 * returns: 1593 * 0 - success 1594 * -1 - failure 1595 */ 1596 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 1597 ulong bootmap_base) 1598 { 1599 char *cmdline; 1600 char *s; 1601 1602 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1603 CONFIG_SYS_BOOTMAPSZ + bootmap_base); 1604 1605 if (cmdline == NULL) 1606 return -1; 1607 1608 if ((s = getenv("bootargs")) == NULL) 1609 s = ""; 1610 1611 strcpy(cmdline, s); 1612 1613 *cmd_start = (ulong) & cmdline[0]; 1614 *cmd_end = *cmd_start + strlen(cmdline); 1615 1616 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1617 1618 return 0; 1619 } 1620 1621 /** 1622 * boot_get_kbd - allocate and initialize kernel copy of board info 1623 * @lmb: pointer to lmb handle, will be used for memory mgmt 1624 * @kbd: double pointer to board info data 1625 * @bootmap_base: ulong variable, holds offset in physical memory to 1626 * base of bootmap 1627 * 1628 * boot_get_kbd() allocates space for kernel copy of board info data below 1629 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1630 * the current u-boot board info data. 1631 * 1632 * returns: 1633 * 0 - success 1634 * -1 - failure 1635 */ 1636 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1637 { 1638 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1639 CONFIG_SYS_BOOTMAPSZ + bootmap_base); 1640 if (*kbd == NULL) 1641 return -1; 1642 1643 **kbd = *(gd->bd); 1644 1645 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1646 1647 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1648 do_bdinfo(NULL, 0, 0, NULL); 1649 #endif 1650 1651 return 0; 1652 } 1653 #endif /* CONFIG_PPC || CONFIG_M68K */ 1654 #endif /* !USE_HOSTCC */ 1655 1656 #if defined(CONFIG_FIT) 1657 /*****************************************************************************/ 1658 /* New uImage format routines */ 1659 /*****************************************************************************/ 1660 #ifndef USE_HOSTCC 1661 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1662 ulong *addr, const char **name) 1663 { 1664 const char *sep; 1665 1666 *addr = addr_curr; 1667 *name = NULL; 1668 1669 sep = strchr (spec, sepc); 1670 if (sep) { 1671 if (sep - spec > 0) 1672 *addr = simple_strtoul (spec, NULL, 16); 1673 1674 *name = sep + 1; 1675 return 1; 1676 } 1677 1678 return 0; 1679 } 1680 1681 /** 1682 * fit_parse_conf - parse FIT configuration spec 1683 * @spec: input string, containing configuration spec 1684 * @add_curr: current image address (to be used as a possible default) 1685 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1686 * configuration 1687 * @conf_name double pointer to a char, will hold pointer to a configuration 1688 * unit name 1689 * 1690 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1691 * where <addr> is a FIT image address that contains configuration 1692 * with a <conf> unit name. 1693 * 1694 * Address part is optional, and if omitted default add_curr will 1695 * be used instead. 1696 * 1697 * returns: 1698 * 1 if spec is a valid configuration string, 1699 * addr and conf_name are set accordingly 1700 * 0 otherwise 1701 */ 1702 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1703 ulong *addr, const char **conf_name) 1704 { 1705 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1706 } 1707 1708 /** 1709 * fit_parse_subimage - parse FIT subimage spec 1710 * @spec: input string, containing subimage spec 1711 * @add_curr: current image address (to be used as a possible default) 1712 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1713 * subimage 1714 * @image_name: double pointer to a char, will hold pointer to a subimage name 1715 * 1716 * fit_parse_subimage() expects subimage spec in the for of 1717 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1718 * subimage with a <subimg> unit name. 1719 * 1720 * Address part is optional, and if omitted default add_curr will 1721 * be used instead. 1722 * 1723 * returns: 1724 * 1 if spec is a valid subimage string, 1725 * addr and image_name are set accordingly 1726 * 0 otherwise 1727 */ 1728 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1729 ulong *addr, const char **image_name) 1730 { 1731 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1732 } 1733 #endif /* !USE_HOSTCC */ 1734 1735 static void fit_get_debug (const void *fit, int noffset, 1736 char *prop_name, int err) 1737 { 1738 debug ("Can't get '%s' property from FIT 0x%08lx, " 1739 "node: offset %d, name %s (%s)\n", 1740 prop_name, (ulong)fit, noffset, 1741 fit_get_name (fit, noffset, NULL), 1742 fdt_strerror (err)); 1743 } 1744 1745 /** 1746 * fit_print_contents - prints out the contents of the FIT format image 1747 * @fit: pointer to the FIT format image header 1748 * @p: pointer to prefix string 1749 * 1750 * fit_print_contents() formats a multi line FIT image contents description. 1751 * The routine prints out FIT image properties (root node level) follwed by 1752 * the details of each component image. 1753 * 1754 * returns: 1755 * no returned results 1756 */ 1757 void fit_print_contents (const void *fit) 1758 { 1759 char *desc; 1760 char *uname; 1761 int images_noffset; 1762 int confs_noffset; 1763 int noffset; 1764 int ndepth; 1765 int count = 0; 1766 int ret; 1767 const char *p; 1768 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1769 time_t timestamp; 1770 #endif 1771 1772 #ifdef USE_HOSTCC 1773 p = ""; 1774 #else 1775 p = " "; 1776 #endif 1777 1778 /* Root node properties */ 1779 ret = fit_get_desc (fit, 0, &desc); 1780 printf ("%sFIT description: ", p); 1781 if (ret) 1782 printf ("unavailable\n"); 1783 else 1784 printf ("%s\n", desc); 1785 1786 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1787 ret = fit_get_timestamp (fit, 0, ×tamp); 1788 printf ("%sCreated: ", p); 1789 if (ret) 1790 printf ("unavailable\n"); 1791 else 1792 genimg_print_time (timestamp); 1793 #endif 1794 1795 /* Find images parent node offset */ 1796 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1797 if (images_noffset < 0) { 1798 printf ("Can't find images parent node '%s' (%s)\n", 1799 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1800 return; 1801 } 1802 1803 /* Process its subnodes, print out component images details */ 1804 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1805 (noffset >= 0) && (ndepth > 0); 1806 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1807 if (ndepth == 1) { 1808 /* 1809 * Direct child node of the images parent node, 1810 * i.e. component image node. 1811 */ 1812 printf ("%s Image %u (%s)\n", p, count++, 1813 fit_get_name(fit, noffset, NULL)); 1814 1815 fit_image_print (fit, noffset, p); 1816 } 1817 } 1818 1819 /* Find configurations parent node offset */ 1820 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 1821 if (confs_noffset < 0) { 1822 debug ("Can't get configurations parent node '%s' (%s)\n", 1823 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 1824 return; 1825 } 1826 1827 /* get default configuration unit name from default property */ 1828 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); 1829 if (uname) 1830 printf ("%s Default Configuration: '%s'\n", p, uname); 1831 1832 /* Process its subnodes, print out configurations details */ 1833 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); 1834 (noffset >= 0) && (ndepth > 0); 1835 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1836 if (ndepth == 1) { 1837 /* 1838 * Direct child node of the configurations parent node, 1839 * i.e. configuration node. 1840 */ 1841 printf ("%s Configuration %u (%s)\n", p, count++, 1842 fit_get_name(fit, noffset, NULL)); 1843 1844 fit_conf_print (fit, noffset, p); 1845 } 1846 } 1847 } 1848 1849 /** 1850 * fit_image_print - prints out the FIT component image details 1851 * @fit: pointer to the FIT format image header 1852 * @image_noffset: offset of the component image node 1853 * @p: pointer to prefix string 1854 * 1855 * fit_image_print() lists all mandatory properies for the processed component 1856 * image. If present, hash nodes are printed out as well. Load 1857 * address for images of type firmware is also printed out. Since the load 1858 * address is not mandatory for firmware images, it will be output as 1859 * "unavailable" when not present. 1860 * 1861 * returns: 1862 * no returned results 1863 */ 1864 void fit_image_print (const void *fit, int image_noffset, const char *p) 1865 { 1866 char *desc; 1867 uint8_t type, arch, os, comp; 1868 size_t size; 1869 ulong load, entry; 1870 const void *data; 1871 int noffset; 1872 int ndepth; 1873 int ret; 1874 1875 /* Mandatory properties */ 1876 ret = fit_get_desc (fit, image_noffset, &desc); 1877 printf ("%s Description: ", p); 1878 if (ret) 1879 printf ("unavailable\n"); 1880 else 1881 printf ("%s\n", desc); 1882 1883 fit_image_get_type (fit, image_noffset, &type); 1884 printf ("%s Type: %s\n", p, genimg_get_type_name (type)); 1885 1886 fit_image_get_comp (fit, image_noffset, &comp); 1887 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); 1888 1889 ret = fit_image_get_data (fit, image_noffset, &data, &size); 1890 1891 #ifndef USE_HOSTCC 1892 printf ("%s Data Start: ", p); 1893 if (ret) 1894 printf ("unavailable\n"); 1895 else 1896 printf ("0x%08lx\n", (ulong)data); 1897 #endif 1898 1899 printf ("%s Data Size: ", p); 1900 if (ret) 1901 printf ("unavailable\n"); 1902 else 1903 genimg_print_size (size); 1904 1905 /* Remaining, type dependent properties */ 1906 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1907 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 1908 (type == IH_TYPE_FLATDT)) { 1909 fit_image_get_arch (fit, image_noffset, &arch); 1910 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); 1911 } 1912 1913 if (type == IH_TYPE_KERNEL) { 1914 fit_image_get_os (fit, image_noffset, &os); 1915 printf ("%s OS: %s\n", p, genimg_get_os_name (os)); 1916 } 1917 1918 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1919 (type == IH_TYPE_FIRMWARE)) { 1920 ret = fit_image_get_load (fit, image_noffset, &load); 1921 printf ("%s Load Address: ", p); 1922 if (ret) 1923 printf ("unavailable\n"); 1924 else 1925 printf ("0x%08lx\n", load); 1926 } 1927 1928 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 1929 fit_image_get_entry (fit, image_noffset, &entry); 1930 printf ("%s Entry Point: ", p); 1931 if (ret) 1932 printf ("unavailable\n"); 1933 else 1934 printf ("0x%08lx\n", entry); 1935 } 1936 1937 /* Process all hash subnodes of the component image node */ 1938 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1939 (noffset >= 0) && (ndepth > 0); 1940 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1941 if (ndepth == 1) { 1942 /* Direct child node of the component image node */ 1943 fit_image_print_hash (fit, noffset, p); 1944 } 1945 } 1946 } 1947 1948 /** 1949 * fit_image_print_hash - prints out the hash node details 1950 * @fit: pointer to the FIT format image header 1951 * @noffset: offset of the hash node 1952 * @p: pointer to prefix string 1953 * 1954 * fit_image_print_hash() lists properies for the processed hash node 1955 * 1956 * returns: 1957 * no returned results 1958 */ 1959 void fit_image_print_hash (const void *fit, int noffset, const char *p) 1960 { 1961 char *algo; 1962 uint8_t *value; 1963 int value_len; 1964 int i, ret; 1965 1966 /* 1967 * Check subnode name, must be equal to "hash". 1968 * Multiple hash nodes require unique unit node 1969 * names, e.g. hash@1, hash@2, etc. 1970 */ 1971 if (strncmp (fit_get_name(fit, noffset, NULL), 1972 FIT_HASH_NODENAME, 1973 strlen(FIT_HASH_NODENAME)) != 0) 1974 return; 1975 1976 debug ("%s Hash node: '%s'\n", p, 1977 fit_get_name (fit, noffset, NULL)); 1978 1979 printf ("%s Hash algo: ", p); 1980 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1981 printf ("invalid/unsupported\n"); 1982 return; 1983 } 1984 printf ("%s\n", algo); 1985 1986 ret = fit_image_hash_get_value (fit, noffset, &value, 1987 &value_len); 1988 printf ("%s Hash value: ", p); 1989 if (ret) { 1990 printf ("unavailable\n"); 1991 } else { 1992 for (i = 0; i < value_len; i++) 1993 printf ("%02x", value[i]); 1994 printf ("\n"); 1995 } 1996 1997 debug ("%s Hash len: %d\n", p, value_len); 1998 } 1999 2000 /** 2001 * fit_get_desc - get node description property 2002 * @fit: pointer to the FIT format image header 2003 * @noffset: node offset 2004 * @desc: double pointer to the char, will hold pointer to the descrption 2005 * 2006 * fit_get_desc() reads description property from a given node, if 2007 * description is found pointer to it is returened in third call argument. 2008 * 2009 * returns: 2010 * 0, on success 2011 * -1, on failure 2012 */ 2013 int fit_get_desc (const void *fit, int noffset, char **desc) 2014 { 2015 int len; 2016 2017 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); 2018 if (*desc == NULL) { 2019 fit_get_debug (fit, noffset, FIT_DESC_PROP, len); 2020 return -1; 2021 } 2022 2023 return 0; 2024 } 2025 2026 /** 2027 * fit_get_timestamp - get node timestamp property 2028 * @fit: pointer to the FIT format image header 2029 * @noffset: node offset 2030 * @timestamp: pointer to the time_t, will hold read timestamp 2031 * 2032 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 2033 * is found and has a correct size its value is retured in third call 2034 * argument. 2035 * 2036 * returns: 2037 * 0, on success 2038 * -1, on property read failure 2039 * -2, on wrong timestamp size 2040 */ 2041 int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) 2042 { 2043 int len; 2044 const void *data; 2045 2046 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); 2047 if (data == NULL) { 2048 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); 2049 return -1; 2050 } 2051 if (len != sizeof (uint32_t)) { 2052 debug ("FIT timestamp with incorrect size of (%u)\n", len); 2053 return -2; 2054 } 2055 2056 *timestamp = uimage_to_cpu (*((uint32_t *)data)); 2057 return 0; 2058 } 2059 2060 /** 2061 * fit_image_get_node - get node offset for component image of a given unit name 2062 * @fit: pointer to the FIT format image header 2063 * @image_uname: component image node unit name 2064 * 2065 * fit_image_get_node() finds a component image (withing the '/images' 2066 * node) of a provided unit name. If image is found its node offset is 2067 * returned to the caller. 2068 * 2069 * returns: 2070 * image node offset when found (>=0) 2071 * negative number on failure (FDT_ERR_* code) 2072 */ 2073 int fit_image_get_node (const void *fit, const char *image_uname) 2074 { 2075 int noffset, images_noffset; 2076 2077 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2078 if (images_noffset < 0) { 2079 debug ("Can't find images parent node '%s' (%s)\n", 2080 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2081 return images_noffset; 2082 } 2083 2084 noffset = fdt_subnode_offset (fit, images_noffset, image_uname); 2085 if (noffset < 0) { 2086 debug ("Can't get node offset for image unit name: '%s' (%s)\n", 2087 image_uname, fdt_strerror (noffset)); 2088 } 2089 2090 return noffset; 2091 } 2092 2093 /** 2094 * fit_image_get_os - get os id for a given component image node 2095 * @fit: pointer to the FIT format image header 2096 * @noffset: component image node offset 2097 * @os: pointer to the uint8_t, will hold os numeric id 2098 * 2099 * fit_image_get_os() finds os property in a given component image node. 2100 * If the property is found, its (string) value is translated to the numeric 2101 * id which is returned to the caller. 2102 * 2103 * returns: 2104 * 0, on success 2105 * -1, on failure 2106 */ 2107 int fit_image_get_os (const void *fit, int noffset, uint8_t *os) 2108 { 2109 int len; 2110 const void *data; 2111 2112 /* Get OS name from property data */ 2113 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); 2114 if (data == NULL) { 2115 fit_get_debug (fit, noffset, FIT_OS_PROP, len); 2116 *os = -1; 2117 return -1; 2118 } 2119 2120 /* Translate OS name to id */ 2121 *os = genimg_get_os_id (data); 2122 return 0; 2123 } 2124 2125 /** 2126 * fit_image_get_arch - get arch id for a given component image node 2127 * @fit: pointer to the FIT format image header 2128 * @noffset: component image node offset 2129 * @arch: pointer to the uint8_t, will hold arch numeric id 2130 * 2131 * fit_image_get_arch() finds arch property in a given component image node. 2132 * If the property is found, its (string) value is translated to the numeric 2133 * id which is returned to the caller. 2134 * 2135 * returns: 2136 * 0, on success 2137 * -1, on failure 2138 */ 2139 int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) 2140 { 2141 int len; 2142 const void *data; 2143 2144 /* Get architecture name from property data */ 2145 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); 2146 if (data == NULL) { 2147 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); 2148 *arch = -1; 2149 return -1; 2150 } 2151 2152 /* Translate architecture name to id */ 2153 *arch = genimg_get_arch_id (data); 2154 return 0; 2155 } 2156 2157 /** 2158 * fit_image_get_type - get type id for a given component image node 2159 * @fit: pointer to the FIT format image header 2160 * @noffset: component image node offset 2161 * @type: pointer to the uint8_t, will hold type numeric id 2162 * 2163 * fit_image_get_type() finds type property in a given component image node. 2164 * If the property is found, its (string) value is translated to the numeric 2165 * id which is returned to the caller. 2166 * 2167 * returns: 2168 * 0, on success 2169 * -1, on failure 2170 */ 2171 int fit_image_get_type (const void *fit, int noffset, uint8_t *type) 2172 { 2173 int len; 2174 const void *data; 2175 2176 /* Get image type name from property data */ 2177 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); 2178 if (data == NULL) { 2179 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); 2180 *type = -1; 2181 return -1; 2182 } 2183 2184 /* Translate image type name to id */ 2185 *type = genimg_get_type_id (data); 2186 return 0; 2187 } 2188 2189 /** 2190 * fit_image_get_comp - get comp id for a given component image node 2191 * @fit: pointer to the FIT format image header 2192 * @noffset: component image node offset 2193 * @comp: pointer to the uint8_t, will hold comp numeric id 2194 * 2195 * fit_image_get_comp() finds comp property in a given component image node. 2196 * If the property is found, its (string) value is translated to the numeric 2197 * id which is returned to the caller. 2198 * 2199 * returns: 2200 * 0, on success 2201 * -1, on failure 2202 */ 2203 int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) 2204 { 2205 int len; 2206 const void *data; 2207 2208 /* Get compression name from property data */ 2209 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); 2210 if (data == NULL) { 2211 fit_get_debug (fit, noffset, FIT_COMP_PROP, len); 2212 *comp = -1; 2213 return -1; 2214 } 2215 2216 /* Translate compression name to id */ 2217 *comp = genimg_get_comp_id (data); 2218 return 0; 2219 } 2220 2221 /** 2222 * fit_image_get_load - get load address property for a given component image node 2223 * @fit: pointer to the FIT format image header 2224 * @noffset: component image node offset 2225 * @load: pointer to the uint32_t, will hold load address 2226 * 2227 * fit_image_get_load() finds load address property in a given component image node. 2228 * If the property is found, its value is returned to the caller. 2229 * 2230 * returns: 2231 * 0, on success 2232 * -1, on failure 2233 */ 2234 int fit_image_get_load (const void *fit, int noffset, ulong *load) 2235 { 2236 int len; 2237 const uint32_t *data; 2238 2239 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); 2240 if (data == NULL) { 2241 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); 2242 return -1; 2243 } 2244 2245 *load = uimage_to_cpu (*data); 2246 return 0; 2247 } 2248 2249 /** 2250 * fit_image_get_entry - get entry point address property for a given component image node 2251 * @fit: pointer to the FIT format image header 2252 * @noffset: component image node offset 2253 * @entry: pointer to the uint32_t, will hold entry point address 2254 * 2255 * fit_image_get_entry() finds entry point address property in a given component image node. 2256 * If the property is found, its value is returned to the caller. 2257 * 2258 * returns: 2259 * 0, on success 2260 * -1, on failure 2261 */ 2262 int fit_image_get_entry (const void *fit, int noffset, ulong *entry) 2263 { 2264 int len; 2265 const uint32_t *data; 2266 2267 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); 2268 if (data == NULL) { 2269 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); 2270 return -1; 2271 } 2272 2273 *entry = uimage_to_cpu (*data); 2274 return 0; 2275 } 2276 2277 /** 2278 * fit_image_get_data - get data property and its size for a given component image node 2279 * @fit: pointer to the FIT format image header 2280 * @noffset: component image node offset 2281 * @data: double pointer to void, will hold data property's data address 2282 * @size: pointer to size_t, will hold data property's data size 2283 * 2284 * fit_image_get_data() finds data property in a given component image node. 2285 * If the property is found its data start address and size are returned to 2286 * the caller. 2287 * 2288 * returns: 2289 * 0, on success 2290 * -1, on failure 2291 */ 2292 int fit_image_get_data (const void *fit, int noffset, 2293 const void **data, size_t *size) 2294 { 2295 int len; 2296 2297 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); 2298 if (*data == NULL) { 2299 fit_get_debug (fit, noffset, FIT_DATA_PROP, len); 2300 *size = 0; 2301 return -1; 2302 } 2303 2304 *size = len; 2305 return 0; 2306 } 2307 2308 /** 2309 * fit_image_hash_get_algo - get hash algorithm name 2310 * @fit: pointer to the FIT format image header 2311 * @noffset: hash node offset 2312 * @algo: double pointer to char, will hold pointer to the algorithm name 2313 * 2314 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 2315 * If the property is found its data start address is returned to the caller. 2316 * 2317 * returns: 2318 * 0, on success 2319 * -1, on failure 2320 */ 2321 int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) 2322 { 2323 int len; 2324 2325 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); 2326 if (*algo == NULL) { 2327 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); 2328 return -1; 2329 } 2330 2331 return 0; 2332 } 2333 2334 /** 2335 * fit_image_hash_get_value - get hash value and length 2336 * @fit: pointer to the FIT format image header 2337 * @noffset: hash node offset 2338 * @value: double pointer to uint8_t, will hold address of a hash value data 2339 * @value_len: pointer to an int, will hold hash data length 2340 * 2341 * fit_image_hash_get_value() finds hash value property in a given hash node. 2342 * If the property is found its data start address and size are returned to 2343 * the caller. 2344 * 2345 * returns: 2346 * 0, on success 2347 * -1, on failure 2348 */ 2349 int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, 2350 int *value_len) 2351 { 2352 int len; 2353 2354 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); 2355 if (*value == NULL) { 2356 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); 2357 *value_len = 0; 2358 return -1; 2359 } 2360 2361 *value_len = len; 2362 return 0; 2363 } 2364 2365 /** 2366 * fit_set_timestamp - set node timestamp property 2367 * @fit: pointer to the FIT format image header 2368 * @noffset: node offset 2369 * @timestamp: timestamp value to be set 2370 * 2371 * fit_set_timestamp() attempts to set timestamp property in the requested 2372 * node and returns operation status to the caller. 2373 * 2374 * returns: 2375 * 0, on success 2376 * -1, on property read failure 2377 */ 2378 int fit_set_timestamp (void *fit, int noffset, time_t timestamp) 2379 { 2380 uint32_t t; 2381 int ret; 2382 2383 t = cpu_to_uimage (timestamp); 2384 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, 2385 sizeof (uint32_t)); 2386 if (ret) { 2387 printf ("Can't set '%s' property for '%s' node (%s)\n", 2388 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), 2389 fdt_strerror (ret)); 2390 return -1; 2391 } 2392 2393 return 0; 2394 } 2395 2396 /** 2397 * calculate_hash - calculate and return hash for provided input data 2398 * @data: pointer to the input data 2399 * @data_len: data length 2400 * @algo: requested hash algorithm 2401 * @value: pointer to the char, will hold hash value data (caller must 2402 * allocate enough free space) 2403 * value_len: length of the calculated hash 2404 * 2405 * calculate_hash() computes input data hash according to the requested algorithm. 2406 * Resulting hash value is placed in caller provided 'value' buffer, length 2407 * of the calculated hash is returned via value_len pointer argument. 2408 * 2409 * returns: 2410 * 0, on success 2411 * -1, when algo is unsupported 2412 */ 2413 static int calculate_hash (const void *data, int data_len, const char *algo, 2414 uint8_t *value, int *value_len) 2415 { 2416 if (strcmp (algo, "crc32") == 0 ) { 2417 *((uint32_t *)value) = crc32_wd (0, data, data_len, 2418 CHUNKSZ_CRC32); 2419 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); 2420 *value_len = 4; 2421 } else if (strcmp (algo, "sha1") == 0 ) { 2422 sha1_csum_wd ((unsigned char *) data, data_len, 2423 (unsigned char *) value, CHUNKSZ_SHA1); 2424 *value_len = 20; 2425 } else if (strcmp (algo, "md5") == 0 ) { 2426 md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5); 2427 *value_len = 16; 2428 } else { 2429 debug ("Unsupported hash alogrithm\n"); 2430 return -1; 2431 } 2432 return 0; 2433 } 2434 2435 #ifdef USE_HOSTCC 2436 /** 2437 * fit_set_hashes - process FIT component image nodes and calculate hashes 2438 * @fit: pointer to the FIT format image header 2439 * 2440 * fit_set_hashes() adds hash values for all component images in the FIT blob. 2441 * Hashes are calculated for all component images which have hash subnodes 2442 * with algorithm property set to one of the supported hash algorithms. 2443 * 2444 * returns 2445 * 0, on success 2446 * libfdt error code, on failure 2447 */ 2448 int fit_set_hashes (void *fit) 2449 { 2450 int images_noffset; 2451 int noffset; 2452 int ndepth; 2453 int ret; 2454 2455 /* Find images parent node offset */ 2456 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2457 if (images_noffset < 0) { 2458 printf ("Can't find images parent node '%s' (%s)\n", 2459 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2460 return images_noffset; 2461 } 2462 2463 /* Process its subnodes, print out component images details */ 2464 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 2465 (noffset >= 0) && (ndepth > 0); 2466 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2467 if (ndepth == 1) { 2468 /* 2469 * Direct child node of the images parent node, 2470 * i.e. component image node. 2471 */ 2472 ret = fit_image_set_hashes (fit, noffset); 2473 if (ret) 2474 return ret; 2475 } 2476 } 2477 2478 return 0; 2479 } 2480 2481 /** 2482 * fit_image_set_hashes - calculate/set hashes for given component image node 2483 * @fit: pointer to the FIT format image header 2484 * @image_noffset: requested component image node 2485 * 2486 * fit_image_set_hashes() adds hash values for an component image node. All 2487 * existing hash subnodes are checked, if algorithm property is set to one of 2488 * the supported hash algorithms, hash value is computed and corresponding 2489 * hash node property is set, for example: 2490 * 2491 * Input component image node structure: 2492 * 2493 * o image@1 (at image_noffset) 2494 * | - data = [binary data] 2495 * o hash@1 2496 * |- algo = "sha1" 2497 * 2498 * Output component image node structure: 2499 * 2500 * o image@1 (at image_noffset) 2501 * | - data = [binary data] 2502 * o hash@1 2503 * |- algo = "sha1" 2504 * |- value = sha1(data) 2505 * 2506 * returns: 2507 * 0 on sucess 2508 * <0 on failure 2509 */ 2510 int fit_image_set_hashes (void *fit, int image_noffset) 2511 { 2512 const void *data; 2513 size_t size; 2514 char *algo; 2515 uint8_t value[FIT_MAX_HASH_LEN]; 2516 int value_len; 2517 int noffset; 2518 int ndepth; 2519 2520 /* Get image data and data length */ 2521 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2522 printf ("Can't get image data/size\n"); 2523 return -1; 2524 } 2525 2526 /* Process all hash subnodes of the component image node */ 2527 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2528 (noffset >= 0) && (ndepth > 0); 2529 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2530 if (ndepth == 1) { 2531 /* Direct child node of the component image node */ 2532 2533 /* 2534 * Check subnode name, must be equal to "hash". 2535 * Multiple hash nodes require unique unit node 2536 * names, e.g. hash@1, hash@2, etc. 2537 */ 2538 if (strncmp (fit_get_name(fit, noffset, NULL), 2539 FIT_HASH_NODENAME, 2540 strlen(FIT_HASH_NODENAME)) != 0) { 2541 /* Not a hash subnode, skip it */ 2542 continue; 2543 } 2544 2545 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2546 printf ("Can't get hash algo property for " 2547 "'%s' hash node in '%s' image node\n", 2548 fit_get_name (fit, noffset, NULL), 2549 fit_get_name (fit, image_noffset, NULL)); 2550 return -1; 2551 } 2552 2553 if (calculate_hash (data, size, algo, value, &value_len)) { 2554 printf ("Unsupported hash algorithm (%s) for " 2555 "'%s' hash node in '%s' image node\n", 2556 algo, fit_get_name (fit, noffset, NULL), 2557 fit_get_name (fit, image_noffset, NULL)); 2558 return -1; 2559 } 2560 2561 if (fit_image_hash_set_value (fit, noffset, value, 2562 value_len)) { 2563 printf ("Can't set hash value for " 2564 "'%s' hash node in '%s' image node\n", 2565 fit_get_name (fit, noffset, NULL), 2566 fit_get_name (fit, image_noffset, NULL)); 2567 return -1; 2568 } 2569 } 2570 } 2571 2572 return 0; 2573 } 2574 2575 /** 2576 * fit_image_hash_set_value - set hash value in requested has node 2577 * @fit: pointer to the FIT format image header 2578 * @noffset: hash node offset 2579 * @value: hash value to be set 2580 * @value_len: hash value length 2581 * 2582 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2583 * given and returns operation status to the caller. 2584 * 2585 * returns 2586 * 0, on success 2587 * -1, on failure 2588 */ 2589 int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, 2590 int value_len) 2591 { 2592 int ret; 2593 2594 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); 2595 if (ret) { 2596 printf ("Can't set hash '%s' property for '%s' node (%s)\n", 2597 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), 2598 fdt_strerror (ret)); 2599 return -1; 2600 } 2601 2602 return 0; 2603 } 2604 #endif /* USE_HOSTCC */ 2605 2606 /** 2607 * fit_image_check_hashes - verify data intergity 2608 * @fit: pointer to the FIT format image header 2609 * @image_noffset: component image node offset 2610 * 2611 * fit_image_check_hashes() goes over component image hash nodes, 2612 * re-calculates each data hash and compares with the value stored in hash 2613 * node. 2614 * 2615 * returns: 2616 * 1, if all hashes are valid 2617 * 0, otherwise (or on error) 2618 */ 2619 int fit_image_check_hashes (const void *fit, int image_noffset) 2620 { 2621 const void *data; 2622 size_t size; 2623 char *algo; 2624 uint8_t *fit_value; 2625 int fit_value_len; 2626 uint8_t value[FIT_MAX_HASH_LEN]; 2627 int value_len; 2628 int noffset; 2629 int ndepth; 2630 char *err_msg = ""; 2631 2632 /* Get image data and data length */ 2633 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2634 printf ("Can't get image data/size\n"); 2635 return 0; 2636 } 2637 2638 /* Process all hash subnodes of the component image node */ 2639 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2640 (noffset >= 0) && (ndepth > 0); 2641 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2642 if (ndepth == 1) { 2643 /* Direct child node of the component image node */ 2644 2645 /* 2646 * Check subnode name, must be equal to "hash". 2647 * Multiple hash nodes require unique unit node 2648 * names, e.g. hash@1, hash@2, etc. 2649 */ 2650 if (strncmp (fit_get_name(fit, noffset, NULL), 2651 FIT_HASH_NODENAME, 2652 strlen(FIT_HASH_NODENAME)) != 0) 2653 continue; 2654 2655 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2656 err_msg = " error!\nCan't get hash algo " 2657 "property"; 2658 goto error; 2659 } 2660 printf ("%s", algo); 2661 2662 if (fit_image_hash_get_value (fit, noffset, &fit_value, 2663 &fit_value_len)) { 2664 err_msg = " error!\nCan't get hash value " 2665 "property"; 2666 goto error; 2667 } 2668 2669 if (calculate_hash (data, size, algo, value, &value_len)) { 2670 err_msg = " error!\nUnsupported hash algorithm"; 2671 goto error; 2672 } 2673 2674 if (value_len != fit_value_len) { 2675 err_msg = " error !\nBad hash value len"; 2676 goto error; 2677 } else if (memcmp (value, fit_value, value_len) != 0) { 2678 err_msg = " error!\nBad hash value"; 2679 goto error; 2680 } 2681 printf ("+ "); 2682 } 2683 } 2684 2685 return 1; 2686 2687 error: 2688 printf ("%s for '%s' hash node in '%s' image node\n", 2689 err_msg, fit_get_name (fit, noffset, NULL), 2690 fit_get_name (fit, image_noffset, NULL)); 2691 return 0; 2692 } 2693 2694 /** 2695 * fit_all_image_check_hashes - verify data intergity for all images 2696 * @fit: pointer to the FIT format image header 2697 * 2698 * fit_all_image_check_hashes() goes over all images in the FIT and 2699 * for every images checks if all it's hashes are valid. 2700 * 2701 * returns: 2702 * 1, if all hashes of all images are valid 2703 * 0, otherwise (or on error) 2704 */ 2705 int fit_all_image_check_hashes (const void *fit) 2706 { 2707 int images_noffset; 2708 int noffset; 2709 int ndepth; 2710 int count; 2711 2712 /* Find images parent node offset */ 2713 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2714 if (images_noffset < 0) { 2715 printf ("Can't find images parent node '%s' (%s)\n", 2716 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2717 return 0; 2718 } 2719 2720 /* Process all image subnodes, check hashes for each */ 2721 printf ("## Checking hash(es) for FIT Image at %08lx ...\n", 2722 (ulong)fit); 2723 for (ndepth = 0, count = 0, 2724 noffset = fdt_next_node (fit, images_noffset, &ndepth); 2725 (noffset >= 0) && (ndepth > 0); 2726 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2727 if (ndepth == 1) { 2728 /* 2729 * Direct child node of the images parent node, 2730 * i.e. component image node. 2731 */ 2732 printf (" Hash(es) for Image %u (%s): ", count++, 2733 fit_get_name (fit, noffset, NULL)); 2734 2735 if (!fit_image_check_hashes (fit, noffset)) 2736 return 0; 2737 printf ("\n"); 2738 } 2739 } 2740 return 1; 2741 } 2742 2743 /** 2744 * fit_image_check_os - check whether image node is of a given os type 2745 * @fit: pointer to the FIT format image header 2746 * @noffset: component image node offset 2747 * @os: requested image os 2748 * 2749 * fit_image_check_os() reads image os property and compares its numeric 2750 * id with the requested os. Comparison result is returned to the caller. 2751 * 2752 * returns: 2753 * 1 if image is of given os type 2754 * 0 otherwise (or on error) 2755 */ 2756 int fit_image_check_os (const void *fit, int noffset, uint8_t os) 2757 { 2758 uint8_t image_os; 2759 2760 if (fit_image_get_os (fit, noffset, &image_os)) 2761 return 0; 2762 return (os == image_os); 2763 } 2764 2765 /** 2766 * fit_image_check_arch - check whether image node is of a given arch 2767 * @fit: pointer to the FIT format image header 2768 * @noffset: component image node offset 2769 * @arch: requested imagearch 2770 * 2771 * fit_image_check_arch() reads image arch property and compares its numeric 2772 * id with the requested arch. Comparison result is returned to the caller. 2773 * 2774 * returns: 2775 * 1 if image is of given arch 2776 * 0 otherwise (or on error) 2777 */ 2778 int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) 2779 { 2780 uint8_t image_arch; 2781 2782 if (fit_image_get_arch (fit, noffset, &image_arch)) 2783 return 0; 2784 return (arch == image_arch); 2785 } 2786 2787 /** 2788 * fit_image_check_type - check whether image node is of a given type 2789 * @fit: pointer to the FIT format image header 2790 * @noffset: component image node offset 2791 * @type: requested image type 2792 * 2793 * fit_image_check_type() reads image type property and compares its numeric 2794 * id with the requested type. Comparison result is returned to the caller. 2795 * 2796 * returns: 2797 * 1 if image is of given type 2798 * 0 otherwise (or on error) 2799 */ 2800 int fit_image_check_type (const void *fit, int noffset, uint8_t type) 2801 { 2802 uint8_t image_type; 2803 2804 if (fit_image_get_type (fit, noffset, &image_type)) 2805 return 0; 2806 return (type == image_type); 2807 } 2808 2809 /** 2810 * fit_image_check_comp - check whether image node uses given compression 2811 * @fit: pointer to the FIT format image header 2812 * @noffset: component image node offset 2813 * @comp: requested image compression type 2814 * 2815 * fit_image_check_comp() reads image compression property and compares its 2816 * numeric id with the requested compression type. Comparison result is 2817 * returned to the caller. 2818 * 2819 * returns: 2820 * 1 if image uses requested compression 2821 * 0 otherwise (or on error) 2822 */ 2823 int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) 2824 { 2825 uint8_t image_comp; 2826 2827 if (fit_image_get_comp (fit, noffset, &image_comp)) 2828 return 0; 2829 return (comp == image_comp); 2830 } 2831 2832 /** 2833 * fit_check_format - sanity check FIT image format 2834 * @fit: pointer to the FIT format image header 2835 * 2836 * fit_check_format() runs a basic sanity FIT image verification. 2837 * Routine checks for mandatory properties, nodes, etc. 2838 * 2839 * returns: 2840 * 1, on success 2841 * 0, on failure 2842 */ 2843 int fit_check_format (const void *fit) 2844 { 2845 /* mandatory / node 'description' property */ 2846 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2847 debug ("Wrong FIT format: no description\n"); 2848 return 0; 2849 } 2850 2851 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2852 /* mandatory / node 'timestamp' property */ 2853 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2854 debug ("Wrong FIT format: no timestamp\n"); 2855 return 0; 2856 } 2857 #endif 2858 2859 /* mandatory subimages parent '/images' node */ 2860 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { 2861 debug ("Wrong FIT format: no images parent node\n"); 2862 return 0; 2863 } 2864 2865 return 1; 2866 } 2867 2868 /** 2869 * fit_conf_get_node - get node offset for configuration of a given unit name 2870 * @fit: pointer to the FIT format image header 2871 * @conf_uname: configuration node unit name 2872 * 2873 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2874 * parant node) of a provided unit name. If configuration is found its node offset 2875 * is returned to the caller. 2876 * 2877 * When NULL is provided in second argument fit_conf_get_node() will search 2878 * for a default configuration node instead. Default configuration node unit name 2879 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2880 * 2881 * returns: 2882 * configuration node offset when found (>=0) 2883 * negative number on failure (FDT_ERR_* code) 2884 */ 2885 int fit_conf_get_node (const void *fit, const char *conf_uname) 2886 { 2887 int noffset, confs_noffset; 2888 int len; 2889 2890 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 2891 if (confs_noffset < 0) { 2892 debug ("Can't find configurations parent node '%s' (%s)\n", 2893 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 2894 return confs_noffset; 2895 } 2896 2897 if (conf_uname == NULL) { 2898 /* get configuration unit name from the default property */ 2899 debug ("No configuration specified, trying default...\n"); 2900 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); 2901 if (conf_uname == NULL) { 2902 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); 2903 return len; 2904 } 2905 debug ("Found default configuration: '%s'\n", conf_uname); 2906 } 2907 2908 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); 2909 if (noffset < 0) { 2910 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", 2911 conf_uname, fdt_strerror (noffset)); 2912 } 2913 2914 return noffset; 2915 } 2916 2917 static int __fit_conf_get_prop_node (const void *fit, int noffset, 2918 const char *prop_name) 2919 { 2920 char *uname; 2921 int len; 2922 2923 /* get kernel image unit name from configuration kernel property */ 2924 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); 2925 if (uname == NULL) 2926 return len; 2927 2928 return fit_image_get_node (fit, uname); 2929 } 2930 2931 /** 2932 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 2933 * a given configuration 2934 * @fit: pointer to the FIT format image header 2935 * @noffset: configuration node offset 2936 * 2937 * fit_conf_get_kernel_node() retrives kernel image node unit name from 2938 * configuration FIT_KERNEL_PROP property and translates it to the node 2939 * offset. 2940 * 2941 * returns: 2942 * image node offset when found (>=0) 2943 * negative number on failure (FDT_ERR_* code) 2944 */ 2945 int fit_conf_get_kernel_node (const void *fit, int noffset) 2946 { 2947 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); 2948 } 2949 2950 /** 2951 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 2952 * a given configuration 2953 * @fit: pointer to the FIT format image header 2954 * @noffset: configuration node offset 2955 * 2956 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 2957 * configuration FIT_KERNEL_PROP property and translates it to the node 2958 * offset. 2959 * 2960 * returns: 2961 * image node offset when found (>=0) 2962 * negative number on failure (FDT_ERR_* code) 2963 */ 2964 int fit_conf_get_ramdisk_node (const void *fit, int noffset) 2965 { 2966 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); 2967 } 2968 2969 /** 2970 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 2971 * a given configuration 2972 * @fit: pointer to the FIT format image header 2973 * @noffset: configuration node offset 2974 * 2975 * fit_conf_get_fdt_node() retrives fdt image node unit name from 2976 * configuration FIT_KERNEL_PROP property and translates it to the node 2977 * offset. 2978 * 2979 * returns: 2980 * image node offset when found (>=0) 2981 * negative number on failure (FDT_ERR_* code) 2982 */ 2983 int fit_conf_get_fdt_node (const void *fit, int noffset) 2984 { 2985 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); 2986 } 2987 2988 /** 2989 * fit_conf_print - prints out the FIT configuration details 2990 * @fit: pointer to the FIT format image header 2991 * @noffset: offset of the configuration node 2992 * @p: pointer to prefix string 2993 * 2994 * fit_conf_print() lists all mandatory properies for the processed 2995 * configuration node. 2996 * 2997 * returns: 2998 * no returned results 2999 */ 3000 void fit_conf_print (const void *fit, int noffset, const char *p) 3001 { 3002 char *desc; 3003 char *uname; 3004 int ret; 3005 3006 /* Mandatory properties */ 3007 ret = fit_get_desc (fit, noffset, &desc); 3008 printf ("%s Description: ", p); 3009 if (ret) 3010 printf ("unavailable\n"); 3011 else 3012 printf ("%s\n", desc); 3013 3014 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); 3015 printf ("%s Kernel: ", p); 3016 if (uname == NULL) 3017 printf ("unavailable\n"); 3018 else 3019 printf ("%s\n", uname); 3020 3021 /* Optional properties */ 3022 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); 3023 if (uname) 3024 printf ("%s Init Ramdisk: %s\n", p, uname); 3025 3026 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); 3027 if (uname) 3028 printf ("%s FDT: %s\n", p, uname); 3029 } 3030 3031 /** 3032 * fit_check_ramdisk - verify FIT format ramdisk subimage 3033 * @fit_hdr: pointer to the FIT ramdisk header 3034 * @rd_noffset: ramdisk subimage node offset within FIT image 3035 * @arch: requested ramdisk image architecture type 3036 * @verify: data CRC verification flag 3037 * 3038 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 3039 * specified FIT image. 3040 * 3041 * returns: 3042 * 1, on success 3043 * 0, on failure 3044 */ 3045 #ifndef USE_HOSTCC 3046 static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) 3047 { 3048 fit_image_print (fit, rd_noffset, " "); 3049 3050 if (verify) { 3051 puts (" Verifying Hash Integrity ... "); 3052 if (!fit_image_check_hashes (fit, rd_noffset)) { 3053 puts ("Bad Data Hash\n"); 3054 show_boot_progress (-125); 3055 return 0; 3056 } 3057 puts ("OK\n"); 3058 } 3059 3060 show_boot_progress (126); 3061 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || 3062 !fit_image_check_arch (fit, rd_noffset, arch) || 3063 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { 3064 printf ("No Linux %s Ramdisk Image\n", 3065 genimg_get_arch_name(arch)); 3066 show_boot_progress (-126); 3067 return 0; 3068 } 3069 3070 show_boot_progress (127); 3071 return 1; 3072 } 3073 #endif /* USE_HOSTCC */ 3074 #endif /* CONFIG_FIT */ 3075