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 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 typedef struct table_entry { 78 int id; /* as defined in image.h */ 79 char *sname; /* short (input) name */ 80 char *lname; /* long (output) name */ 81 } table_entry_t; 82 83 static table_entry_t uimage_arch[] = { 84 { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, 85 { IH_ARCH_ALPHA, "alpha", "Alpha", }, 86 { IH_ARCH_ARM, "arm", "ARM", }, 87 { IH_ARCH_I386, "x86", "Intel x86", }, 88 { IH_ARCH_IA64, "ia64", "IA64", }, 89 { IH_ARCH_M68K, "m68k", "M68K", }, 90 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, 91 { IH_ARCH_MIPS, "mips", "MIPS", }, 92 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, 93 { IH_ARCH_NIOS, "nios", "NIOS", }, 94 { IH_ARCH_NIOS2, "nios2", "NIOS II", }, 95 { IH_ARCH_PPC, "powerpc", "PowerPC", }, 96 { IH_ARCH_PPC, "ppc", "PowerPC", }, 97 { IH_ARCH_S390, "s390", "IBM S390", }, 98 { IH_ARCH_SH, "sh", "SuperH", }, 99 { IH_ARCH_SPARC, "sparc", "SPARC", }, 100 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, 101 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, 102 { IH_ARCH_AVR32, "avr32", "AVR32", }, 103 { -1, "", "", }, 104 }; 105 106 static table_entry_t uimage_os[] = { 107 { IH_OS_INVALID, NULL, "Invalid OS", }, 108 #if defined(CONFIG_ARTOS) || defined(USE_HOSTCC) 109 { IH_OS_ARTOS, "artos", "ARTOS", }, 110 #endif 111 { IH_OS_LINUX, "linux", "Linux", }, 112 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 113 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 114 #endif 115 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 116 { IH_OS_RTEMS, "rtems", "RTEMS", }, 117 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 118 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 119 { IH_OS_QNX, "qnx", "QNX", }, 120 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 121 #endif 122 #ifdef USE_HOSTCC 123 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 124 { IH_OS_DELL, "dell", "Dell", }, 125 { IH_OS_ESIX, "esix", "Esix", }, 126 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 127 { IH_OS_IRIX, "irix", "Irix", }, 128 { IH_OS_NCR, "ncr", "NCR", }, 129 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 130 { IH_OS_PSOS, "psos", "pSOS", }, 131 { IH_OS_SCO, "sco", "SCO", }, 132 { IH_OS_SOLARIS, "solaris", "Solaris", }, 133 { IH_OS_SVR4, "svr4", "SVR4", }, 134 #endif 135 { -1, "", "", }, 136 }; 137 138 static table_entry_t uimage_type[] = { 139 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 140 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 141 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 142 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 143 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 144 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 145 { IH_TYPE_SCRIPT, "script", "Script", }, 146 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 147 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 148 { -1, "", "", }, 149 }; 150 151 static table_entry_t uimage_comp[] = { 152 { IH_COMP_NONE, "none", "uncompressed", }, 153 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 154 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 155 { -1, "", "", }, 156 }; 157 158 uint32_t crc32 (uint32_t, const unsigned char *, uint); 159 uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint); 160 static void genimg_print_size (uint32_t size); 161 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 162 static void genimg_print_time (time_t timestamp); 163 #endif 164 165 /*****************************************************************************/ 166 /* Legacy format routines */ 167 /*****************************************************************************/ 168 int image_check_hcrc (image_header_t *hdr) 169 { 170 ulong hcrc; 171 ulong len = image_get_header_size (); 172 image_header_t header; 173 174 /* Copy header so we can blank CRC field for re-calculation */ 175 memmove (&header, (char *)hdr, image_get_header_size ()); 176 image_set_hcrc (&header, 0); 177 178 hcrc = crc32 (0, (unsigned char *)&header, len); 179 180 return (hcrc == image_get_hcrc (hdr)); 181 } 182 183 int image_check_dcrc (image_header_t *hdr) 184 { 185 ulong data = image_get_data (hdr); 186 ulong len = image_get_data_size (hdr); 187 ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32); 188 189 return (dcrc == image_get_dcrc (hdr)); 190 } 191 192 /** 193 * image_multi_count - get component (sub-image) count 194 * @hdr: pointer to the header of the multi component image 195 * 196 * image_multi_count() returns number of components in a multi 197 * component image. 198 * 199 * Note: no checking of the image type is done, caller must pass 200 * a valid multi component image. 201 * 202 * returns: 203 * number of components 204 */ 205 ulong image_multi_count (image_header_t *hdr) 206 { 207 ulong i, count = 0; 208 uint32_t *size; 209 210 /* get start of the image payload, which in case of multi 211 * component images that points to a table of component sizes */ 212 size = (uint32_t *)image_get_data (hdr); 213 214 /* count non empty slots */ 215 for (i = 0; size[i]; ++i) 216 count++; 217 218 return count; 219 } 220 221 /** 222 * image_multi_getimg - get component data address and size 223 * @hdr: pointer to the header of the multi component image 224 * @idx: index of the requested component 225 * @data: pointer to a ulong variable, will hold component data address 226 * @len: pointer to a ulong variable, will hold component size 227 * 228 * image_multi_getimg() returns size and data address for the requested 229 * component in a multi component image. 230 * 231 * Note: no checking of the image type is done, caller must pass 232 * a valid multi component image. 233 * 234 * returns: 235 * data address and size of the component, if idx is valid 236 * 0 in data and len, if idx is out of range 237 */ 238 void image_multi_getimg (image_header_t *hdr, ulong idx, 239 ulong *data, ulong *len) 240 { 241 int i; 242 uint32_t *size; 243 ulong offset, count, img_data; 244 245 /* get number of component */ 246 count = image_multi_count (hdr); 247 248 /* get start of the image payload, which in case of multi 249 * component images that points to a table of component sizes */ 250 size = (uint32_t *)image_get_data (hdr); 251 252 /* get address of the proper component data start, which means 253 * skipping sizes table (add 1 for last, null entry) */ 254 img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t); 255 256 if (idx < count) { 257 *len = uimage_to_cpu (size[idx]); 258 offset = 0; 259 260 /* go over all indices preceding requested component idx */ 261 for (i = 0; i < idx; i++) { 262 /* add up i-th component size, rounding up to 4 bytes */ 263 offset += (uimage_to_cpu (size[i]) + 3) & ~3 ; 264 } 265 266 /* calculate idx-th component data address */ 267 *data = img_data + offset; 268 } else { 269 *len = 0; 270 *data = 0; 271 } 272 } 273 274 static void image_print_type (image_header_t *hdr) 275 { 276 const char *os, *arch, *type, *comp; 277 278 os = genimg_get_os_name (image_get_os (hdr)); 279 arch = genimg_get_arch_name (image_get_arch (hdr)); 280 type = genimg_get_type_name (image_get_type (hdr)); 281 comp = genimg_get_comp_name (image_get_comp (hdr)); 282 283 printf ("%s %s %s (%s)\n", arch, os, type, comp); 284 } 285 286 /** 287 * image_print_contents - prints out the contents of the legacy format image 288 * @hdr: pointer to the legacy format image header 289 * @p: pointer to prefix string 290 * 291 * image_print_contents() formats a multi line legacy image contents description. 292 * The routine prints out all header fields followed by the size/offset data 293 * for MULTI/SCRIPT images. 294 * 295 * returns: 296 * no returned results 297 */ 298 void image_print_contents (image_header_t *hdr) 299 { 300 const char *p; 301 302 #ifdef USE_HOSTCC 303 p = ""; 304 #else 305 p = " "; 306 #endif 307 308 printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); 309 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 310 printf ("%sCreated: ", p); 311 genimg_print_time ((time_t)image_get_time (hdr)); 312 #endif 313 printf ("%sImage Type: ", p); 314 image_print_type (hdr); 315 printf ("%sData Size: ", p); 316 genimg_print_size (image_get_data_size (hdr)); 317 printf ("%sLoad Address: %08x\n", p, image_get_load (hdr)); 318 printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr)); 319 320 if (image_check_type (hdr, IH_TYPE_MULTI) || 321 image_check_type (hdr, IH_TYPE_SCRIPT)) { 322 int i; 323 ulong data, len; 324 ulong count = image_multi_count (hdr); 325 326 printf ("%sContents:\n", p); 327 for (i = 0; i < count; i++) { 328 image_multi_getimg (hdr, i, &data, &len); 329 330 printf ("%s Image %d: ", p, i); 331 genimg_print_size (len); 332 333 if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { 334 /* 335 * the user may need to know offsets 336 * if planning to do something with 337 * multiple files 338 */ 339 printf ("%s Offset = 0x%08lx\n", p, data); 340 } 341 } 342 } 343 } 344 345 346 #ifndef USE_HOSTCC 347 /** 348 * image_get_ramdisk - get and verify ramdisk image 349 * @rd_addr: ramdisk image start address 350 * @arch: expected ramdisk architecture 351 * @verify: checksum verification flag 352 * 353 * image_get_ramdisk() returns a pointer to the verified ramdisk image 354 * header. Routine receives image start address and expected architecture 355 * flag. Verification done covers data and header integrity and os/type/arch 356 * fields checking. 357 * 358 * If dataflash support is enabled routine checks for dataflash addresses 359 * and handles required dataflash reads. 360 * 361 * returns: 362 * pointer to a ramdisk image header, if image was found and valid 363 * otherwise, return NULL 364 */ 365 static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, 366 int verify) 367 { 368 image_header_t *rd_hdr = (image_header_t *)rd_addr; 369 370 if (!image_check_magic (rd_hdr)) { 371 puts ("Bad Magic Number\n"); 372 show_boot_progress (-10); 373 return NULL; 374 } 375 376 if (!image_check_hcrc (rd_hdr)) { 377 puts ("Bad Header Checksum\n"); 378 show_boot_progress (-11); 379 return NULL; 380 } 381 382 show_boot_progress (10); 383 image_print_contents (rd_hdr); 384 385 if (verify) { 386 puts(" Verifying Checksum ... "); 387 if (!image_check_dcrc (rd_hdr)) { 388 puts ("Bad Data CRC\n"); 389 show_boot_progress (-12); 390 return NULL; 391 } 392 puts("OK\n"); 393 } 394 395 show_boot_progress (11); 396 397 if (!image_check_os (rd_hdr, IH_OS_LINUX) || 398 !image_check_arch (rd_hdr, arch) || 399 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { 400 printf ("No Linux %s Ramdisk Image\n", 401 genimg_get_arch_name(arch)); 402 show_boot_progress (-13); 403 return NULL; 404 } 405 406 return rd_hdr; 407 } 408 #endif /* !USE_HOSTCC */ 409 410 /*****************************************************************************/ 411 /* Shared dual-format routines */ 412 /*****************************************************************************/ 413 #ifndef USE_HOSTCC 414 int getenv_yesno (char *var) 415 { 416 char *s = getenv (var); 417 return (s && (*s == 'n')) ? 0 : 1; 418 } 419 420 ulong getenv_bootm_low(void) 421 { 422 char *s = getenv ("bootm_low"); 423 if (s) { 424 ulong tmp = simple_strtoul (s, NULL, 16); 425 return tmp; 426 } 427 428 #if defined(CFG_SDRAM_BASE) 429 return CFG_SDRAM_BASE; 430 #elif defined(CONFIG_ARM) 431 return gd->bd->bi_dram[0].start; 432 #else 433 return 0; 434 #endif 435 } 436 437 phys_size_t getenv_bootm_size(void) 438 { 439 char *s = getenv ("bootm_size"); 440 if (s) { 441 phys_size_t tmp; 442 #ifdef CFG_64BIT_STRTOUL 443 tmp = (phys_size_t)simple_strtoull (s, NULL, 16); 444 #else 445 tmp = (phys_size_t)simple_strtoul (s, NULL, 16); 446 #endif 447 return tmp; 448 } 449 450 #if defined(CONFIG_ARM) 451 return gd->bd->bi_dram[0].size; 452 #else 453 return gd->bd->bi_memsize; 454 #endif 455 } 456 457 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 458 { 459 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 460 while (len > 0) { 461 size_t tail = (len > chunksz) ? chunksz : len; 462 WATCHDOG_RESET (); 463 memmove (to, from, tail); 464 to += tail; 465 from += tail; 466 len -= tail; 467 } 468 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 469 memmove (to, from, len); 470 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 471 } 472 #endif /* !USE_HOSTCC */ 473 474 static void genimg_print_size (uint32_t size) 475 { 476 #ifndef USE_HOSTCC 477 printf ("%d Bytes = ", size); 478 print_size (size, "\n"); 479 #else 480 printf ("%d Bytes = %.2f kB = %.2f MB\n", 481 size, (double)size / 1.024e3, 482 (double)size / 1.048576e6); 483 #endif 484 } 485 486 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 487 static void genimg_print_time (time_t timestamp) 488 { 489 #ifndef USE_HOSTCC 490 struct rtc_time tm; 491 492 to_tm (timestamp, &tm); 493 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 494 tm.tm_year, tm.tm_mon, tm.tm_mday, 495 tm.tm_hour, tm.tm_min, tm.tm_sec); 496 #else 497 printf ("%s", ctime(×tamp)); 498 #endif 499 } 500 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 501 502 /** 503 * get_table_entry_name - translate entry id to long name 504 * @table: pointer to a translation table for entries of a specific type 505 * @msg: message to be returned when translation fails 506 * @id: entry id to be translated 507 * 508 * get_table_entry_name() will go over translation table trying to find 509 * entry that matches given id. If matching entry is found, its long 510 * name is returned to the caller. 511 * 512 * returns: 513 * long entry name if translation succeeds 514 * msg otherwise 515 */ 516 static char *get_table_entry_name (table_entry_t *table, char *msg, int id) 517 { 518 for (; table->id >= 0; ++table) { 519 if (table->id == id) 520 return (table->lname); 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 static 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, 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 image_header_t *hdr; 628 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 629 char *fit_hdr; 630 #endif 631 632 hdr = (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 = CFG_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 ((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 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 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 } 940 941 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 942 /* 943 * We need to copy the ramdisk to SRAM to let Linux boot 944 */ 945 if (rd_data) { 946 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 947 rd_data = rd_load; 948 } 949 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 950 951 } else if (images->legacy_hdr_valid && 952 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 953 /* 954 * Now check if we have a legacy mult-component image, 955 * get second entry data start address and len. 956 */ 957 show_boot_progress (13); 958 printf ("## Loading init Ramdisk from multi component " 959 "Legacy Image at %08lx ...\n", 960 (ulong)images->legacy_hdr_os); 961 962 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 963 } else { 964 /* 965 * no initrd image 966 */ 967 show_boot_progress (14); 968 rd_len = rd_data = 0; 969 } 970 971 if (!rd_data) { 972 debug ("## No init Ramdisk\n"); 973 } else { 974 *rd_start = rd_data; 975 *rd_end = rd_data + rd_len; 976 } 977 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 978 *rd_start, *rd_end); 979 980 return 0; 981 } 982 983 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) 984 /** 985 * boot_ramdisk_high - relocate init ramdisk 986 * @lmb: pointer to lmb handle, will be used for memory mgmt 987 * @rd_data: ramdisk data start address 988 * @rd_len: ramdisk data length 989 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 990 * start address (after possible relocation) 991 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 992 * end address (after possible relocation) 993 * 994 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 995 * variable and if requested ramdisk data is moved to a specified location. 996 * 997 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 998 * start/end addresses if ramdisk image start and len were provided, 999 * otherwise set initrd_start and initrd_end set to zeros. 1000 * 1001 * returns: 1002 * 0 - success 1003 * -1 - failure 1004 */ 1005 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 1006 ulong *initrd_start, ulong *initrd_end) 1007 { 1008 char *s; 1009 ulong initrd_high; 1010 int initrd_copy_to_ram = 1; 1011 1012 if ((s = getenv ("initrd_high")) != NULL) { 1013 /* a value of "no" or a similar string will act like 0, 1014 * turning the "load high" feature off. This is intentional. 1015 */ 1016 initrd_high = simple_strtoul (s, NULL, 16); 1017 if (initrd_high == ~0) 1018 initrd_copy_to_ram = 0; 1019 } else { 1020 /* not set, no restrictions to load high */ 1021 initrd_high = ~0; 1022 } 1023 1024 1025 #ifdef CONFIG_LOGBUFFER 1026 /* Prevent initrd from overwriting logbuffer */ 1027 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1028 #endif 1029 1030 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1031 initrd_high, initrd_copy_to_ram); 1032 1033 if (rd_data) { 1034 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1035 debug (" in-place initrd\n"); 1036 *initrd_start = rd_data; 1037 *initrd_end = rd_data + rd_len; 1038 lmb_reserve(lmb, rd_data, rd_len); 1039 } else { 1040 if (initrd_high) 1041 *initrd_start = (ulong)lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 1042 else 1043 *initrd_start = (ulong)lmb_alloc (lmb, rd_len, 0x1000); 1044 1045 if (*initrd_start == 0) { 1046 puts ("ramdisk - allocation error\n"); 1047 goto error; 1048 } 1049 show_boot_progress (12); 1050 1051 *initrd_end = *initrd_start + rd_len; 1052 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 1053 *initrd_start, *initrd_end); 1054 1055 memmove_wd ((void *)*initrd_start, 1056 (void *)rd_data, rd_len, CHUNKSZ); 1057 1058 puts ("OK\n"); 1059 } 1060 } else { 1061 *initrd_start = 0; 1062 *initrd_end = 0; 1063 } 1064 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1065 *initrd_start, *initrd_end); 1066 1067 return 0; 1068 1069 error: 1070 return -1; 1071 } 1072 1073 #ifdef CONFIG_OF_LIBFDT 1074 static void fdt_error (const char *msg) 1075 { 1076 puts ("ERROR: "); 1077 puts (msg); 1078 puts (" - must RESET the board to recover.\n"); 1079 } 1080 1081 static image_header_t *image_get_fdt (ulong fdt_addr) 1082 { 1083 image_header_t *fdt_hdr = (image_header_t *)fdt_addr; 1084 1085 image_print_contents (fdt_hdr); 1086 1087 puts (" Verifying Checksum ... "); 1088 if (!image_check_hcrc (fdt_hdr)) { 1089 fdt_error ("fdt header checksum invalid"); 1090 return NULL; 1091 } 1092 1093 if (!image_check_dcrc (fdt_hdr)) { 1094 fdt_error ("fdt checksum invalid"); 1095 return NULL; 1096 } 1097 puts ("OK\n"); 1098 1099 if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) { 1100 fdt_error ("uImage is not a fdt"); 1101 return NULL; 1102 } 1103 if (image_get_comp (fdt_hdr) != IH_COMP_NONE) { 1104 fdt_error ("uImage is compressed"); 1105 return NULL; 1106 } 1107 if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) { 1108 fdt_error ("uImage data is not a fdt"); 1109 return NULL; 1110 } 1111 return fdt_hdr; 1112 } 1113 1114 /** 1115 * fit_check_fdt - verify FIT format FDT subimage 1116 * @fit_hdr: pointer to the FIT header 1117 * fdt_noffset: FDT subimage node offset within FIT image 1118 * @verify: data CRC verification flag 1119 * 1120 * fit_check_fdt() verifies integrity of the FDT subimage and from 1121 * specified FIT image. 1122 * 1123 * returns: 1124 * 1, on success 1125 * 0, on failure 1126 */ 1127 #if defined(CONFIG_FIT) 1128 static int fit_check_fdt (const void *fit, int fdt_noffset, int verify) 1129 { 1130 fit_image_print (fit, fdt_noffset, " "); 1131 1132 if (verify) { 1133 puts (" Verifying Hash Integrity ... "); 1134 if (!fit_image_check_hashes (fit, fdt_noffset)) { 1135 fdt_error ("Bad Data Hash"); 1136 return 0; 1137 } 1138 puts ("OK\n"); 1139 } 1140 1141 if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) { 1142 fdt_error ("Not a FDT image"); 1143 return 0; 1144 } 1145 1146 if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) { 1147 fdt_error ("FDT image is compressed"); 1148 return 0; 1149 } 1150 1151 return 1; 1152 } 1153 #endif /* CONFIG_FIT */ 1154 1155 #ifndef CFG_FDT_PAD 1156 #define CFG_FDT_PAD 0x3000 1157 #endif 1158 1159 /** 1160 * boot_relocate_fdt - relocate flat device tree 1161 * @lmb: pointer to lmb handle, will be used for memory mgmt 1162 * @bootmap_base: base address of the bootmap region 1163 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1164 * @of_size: pointer to a ulong variable, will hold fdt length 1165 * 1166 * boot_relocate_fdt() determines if the of_flat_tree address is within 1167 * the bootmap and if not relocates it into that region 1168 * 1169 * of_flat_tree and of_size are set to final (after relocation) values 1170 * 1171 * returns: 1172 * 0 - success 1173 * 1 - failure 1174 */ 1175 int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base, 1176 char **of_flat_tree, ulong *of_size) 1177 { 1178 char *fdt_blob = *of_flat_tree; 1179 ulong relocate = 0; 1180 ulong of_len = 0; 1181 1182 /* nothing to do */ 1183 if (*of_size == 0) 1184 return 0; 1185 1186 if (fdt_check_header (fdt_blob) != 0) { 1187 fdt_error ("image is not a fdt"); 1188 goto error; 1189 } 1190 1191 #ifndef CFG_NO_FLASH 1192 /* move the blob if it is in flash (set relocate) */ 1193 if (addr2info ((ulong)fdt_blob) != NULL) 1194 relocate = 1; 1195 #endif 1196 1197 /* 1198 * The blob needs to be inside the boot mapping. 1199 */ 1200 if (fdt_blob < (char *)bootmap_base) 1201 relocate = 1; 1202 1203 if ((fdt_blob + *of_size + CFG_FDT_PAD) >= 1204 ((char *)CFG_BOOTMAPSZ + bootmap_base)) 1205 relocate = 1; 1206 1207 /* move flattend device tree if needed */ 1208 if (relocate) { 1209 int err; 1210 ulong of_start = 0; 1211 1212 /* position on a 4K boundary before the alloc_current */ 1213 /* Pad the FDT by a specified amount */ 1214 of_len = *of_size + CFG_FDT_PAD; 1215 of_start = (unsigned long)lmb_alloc_base(lmb, of_len, 0x1000, 1216 (CFG_BOOTMAPSZ + bootmap_base)); 1217 1218 if (of_start == 0) { 1219 puts("device tree - allocation error\n"); 1220 goto error; 1221 } 1222 1223 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", 1224 (ulong)fdt_blob, (ulong)fdt_blob + *of_size - 1, 1225 of_len, of_len); 1226 1227 printf (" Loading Device Tree to %08lx, end %08lx ... ", 1228 of_start, of_start + of_len - 1); 1229 1230 err = fdt_open_into (fdt_blob, (void *)of_start, of_len); 1231 if (err != 0) { 1232 fdt_error ("fdt move failed"); 1233 goto error; 1234 } 1235 puts ("OK\n"); 1236 1237 *of_flat_tree = (char *)of_start; 1238 *of_size = of_len; 1239 } else { 1240 *of_flat_tree = fdt_blob; 1241 of_len = (CFG_BOOTMAPSZ + bootmap_base) - (ulong)fdt_blob; 1242 lmb_reserve(lmb, (ulong)fdt_blob, of_len); 1243 fdt_set_totalsize(*of_flat_tree, of_len); 1244 1245 *of_size = of_len; 1246 } 1247 1248 set_working_fdt_addr(*of_flat_tree); 1249 return 0; 1250 1251 error: 1252 return 1; 1253 } 1254 1255 /** 1256 * boot_get_fdt - main fdt handling routine 1257 * @argc: command argument count 1258 * @argv: command argument list 1259 * @images: pointer to the bootm images structure 1260 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1261 * @of_size: pointer to a ulong variable, will hold fdt length 1262 * 1263 * boot_get_fdt() is responsible for finding a valid flat device tree image. 1264 * Curently supported are the following ramdisk sources: 1265 * - multicomponent kernel/ramdisk image, 1266 * - commandline provided address of decicated ramdisk image. 1267 * 1268 * returns: 1269 * 0, if fdt image was found and valid, or skipped 1270 * of_flat_tree and of_size are set to fdt start address and length if 1271 * fdt image is found and valid 1272 * 1273 * 1, if fdt image is found but corrupted 1274 * of_flat_tree and of_size are set to 0 if no fdt exists 1275 */ 1276 int boot_get_fdt (int flag, int argc, char *argv[], bootm_headers_t *images, 1277 char **of_flat_tree, ulong *of_size) 1278 { 1279 ulong fdt_addr; 1280 image_header_t *fdt_hdr; 1281 char *fdt_blob = NULL; 1282 ulong image_start, image_end; 1283 ulong load_start, load_end; 1284 #if defined(CONFIG_FIT) 1285 void *fit_hdr; 1286 const char *fit_uname_config = NULL; 1287 const char *fit_uname_fdt = NULL; 1288 ulong default_addr; 1289 int cfg_noffset; 1290 int fdt_noffset; 1291 const void *data; 1292 size_t size; 1293 #endif 1294 1295 *of_flat_tree = NULL; 1296 *of_size = 0; 1297 1298 if (argc > 3 || genimg_has_config (images)) { 1299 #if defined(CONFIG_FIT) 1300 if (argc > 3) { 1301 /* 1302 * If the FDT blob comes from the FIT image and the 1303 * FIT image address is omitted in the command line 1304 * argument, try to use ramdisk or os FIT image 1305 * address or default load address. 1306 */ 1307 if (images->fit_uname_rd) 1308 default_addr = (ulong)images->fit_hdr_rd; 1309 else if (images->fit_uname_os) 1310 default_addr = (ulong)images->fit_hdr_os; 1311 else 1312 default_addr = load_addr; 1313 1314 if (fit_parse_conf (argv[3], default_addr, 1315 &fdt_addr, &fit_uname_config)) { 1316 debug ("* fdt: config '%s' from image at 0x%08lx\n", 1317 fit_uname_config, fdt_addr); 1318 } else if (fit_parse_subimage (argv[3], default_addr, 1319 &fdt_addr, &fit_uname_fdt)) { 1320 debug ("* fdt: subimage '%s' from image at 0x%08lx\n", 1321 fit_uname_fdt, fdt_addr); 1322 } else 1323 #endif 1324 { 1325 fdt_addr = simple_strtoul(argv[3], NULL, 16); 1326 debug ("* fdt: cmdline image address = 0x%08lx\n", 1327 fdt_addr); 1328 } 1329 #if defined(CONFIG_FIT) 1330 } else { 1331 /* use FIT configuration provided in first bootm 1332 * command argument 1333 */ 1334 fdt_addr = (ulong)images->fit_hdr_os; 1335 fit_uname_config = images->fit_uname_cfg; 1336 debug ("* fdt: using config '%s' from image at 0x%08lx\n", 1337 fit_uname_config, fdt_addr); 1338 1339 /* 1340 * Check whether configuration has FDT blob defined, 1341 * if not quit silently. 1342 */ 1343 fit_hdr = (void *)fdt_addr; 1344 cfg_noffset = fit_conf_get_node (fit_hdr, 1345 fit_uname_config); 1346 if (cfg_noffset < 0) { 1347 debug ("* fdt: no such config\n"); 1348 return 0; 1349 } 1350 1351 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1352 cfg_noffset); 1353 if (fdt_noffset < 0) { 1354 debug ("* fdt: no fdt in config\n"); 1355 return 0; 1356 } 1357 } 1358 #endif 1359 1360 debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n", 1361 fdt_addr); 1362 1363 /* copy from dataflash if needed */ 1364 fdt_addr = genimg_get_image (fdt_addr); 1365 1366 /* 1367 * Check if there is an FDT image at the 1368 * address provided in the second bootm argument 1369 * check image type, for FIT images get a FIT node. 1370 */ 1371 switch (genimg_get_format ((void *)fdt_addr)) { 1372 case IMAGE_FORMAT_LEGACY: 1373 /* verify fdt_addr points to a valid image header */ 1374 printf ("## Flattened Device Tree from Legacy Image at %08lx\n", 1375 fdt_addr); 1376 fdt_hdr = image_get_fdt (fdt_addr); 1377 if (!fdt_hdr) 1378 goto error; 1379 1380 /* 1381 * move image data to the load address, 1382 * make sure we don't overwrite initial image 1383 */ 1384 image_start = (ulong)fdt_hdr; 1385 image_end = image_get_image_end (fdt_hdr); 1386 1387 load_start = image_get_load (fdt_hdr); 1388 load_end = load_start + image_get_data_size (fdt_hdr); 1389 1390 if ((load_start < image_end) && (load_end > image_start)) { 1391 fdt_error ("fdt overwritten"); 1392 goto error; 1393 } 1394 1395 debug (" Loading FDT from 0x%08lx to 0x%08lx\n", 1396 image_get_data (fdt_hdr), load_start); 1397 1398 memmove ((void *)load_start, 1399 (void *)image_get_data (fdt_hdr), 1400 image_get_data_size (fdt_hdr)); 1401 1402 fdt_blob = (char *)load_start; 1403 break; 1404 case IMAGE_FORMAT_FIT: 1405 /* 1406 * This case will catch both: new uImage format 1407 * (libfdt based) and raw FDT blob (also libfdt 1408 * based). 1409 */ 1410 #if defined(CONFIG_FIT) 1411 /* check FDT blob vs FIT blob */ 1412 if (fit_check_format ((const void *)fdt_addr)) { 1413 /* 1414 * FIT image 1415 */ 1416 fit_hdr = (void *)fdt_addr; 1417 printf ("## Flattened Device Tree from FIT Image at %08lx\n", 1418 fdt_addr); 1419 1420 if (!fit_uname_fdt) { 1421 /* 1422 * no FDT blob image node unit name, 1423 * try to get config node first. If 1424 * config unit node name is NULL 1425 * fit_conf_get_node() will try to 1426 * find default config node 1427 */ 1428 cfg_noffset = fit_conf_get_node (fit_hdr, 1429 fit_uname_config); 1430 1431 if (cfg_noffset < 0) { 1432 fdt_error ("Could not find configuration node\n"); 1433 goto error; 1434 } 1435 1436 fit_uname_config = fdt_get_name (fit_hdr, 1437 cfg_noffset, NULL); 1438 printf (" Using '%s' configuration\n", 1439 fit_uname_config); 1440 1441 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1442 cfg_noffset); 1443 fit_uname_fdt = fit_get_name (fit_hdr, 1444 fdt_noffset, NULL); 1445 } else { 1446 /* get FDT component image node offset */ 1447 fdt_noffset = fit_image_get_node (fit_hdr, 1448 fit_uname_fdt); 1449 } 1450 if (fdt_noffset < 0) { 1451 fdt_error ("Could not find subimage node\n"); 1452 goto error; 1453 } 1454 1455 printf (" Trying '%s' FDT blob subimage\n", 1456 fit_uname_fdt); 1457 1458 if (!fit_check_fdt (fit_hdr, fdt_noffset, 1459 images->verify)) 1460 goto error; 1461 1462 /* get ramdisk image data address and length */ 1463 if (fit_image_get_data (fit_hdr, fdt_noffset, 1464 &data, &size)) { 1465 fdt_error ("Could not find FDT subimage data"); 1466 goto error; 1467 } 1468 1469 /* verift that image data is a proper FDT blob */ 1470 if (fdt_check_header ((char *)data) != 0) { 1471 fdt_error ("Subimage data is not a FTD"); 1472 goto error; 1473 } 1474 1475 /* 1476 * move image data to the load address, 1477 * make sure we don't overwrite initial image 1478 */ 1479 image_start = (ulong)fit_hdr; 1480 image_end = fit_get_end (fit_hdr); 1481 1482 if (fit_image_get_load (fit_hdr, fdt_noffset, 1483 &load_start) == 0) { 1484 load_end = load_start + size; 1485 1486 if ((load_start < image_end) && 1487 (load_end > image_start)) { 1488 fdt_error ("FDT overwritten"); 1489 goto error; 1490 } 1491 1492 printf (" Loading FDT from 0x%08lx to 0x%08lx\n", 1493 (ulong)data, load_start); 1494 1495 memmove ((void *)load_start, 1496 (void *)data, size); 1497 1498 fdt_blob = (char *)load_start; 1499 } else { 1500 fdt_blob = (char *)data; 1501 } 1502 1503 images->fit_hdr_fdt = fit_hdr; 1504 images->fit_uname_fdt = fit_uname_fdt; 1505 images->fit_noffset_fdt = fdt_noffset; 1506 break; 1507 } else 1508 #endif 1509 { 1510 /* 1511 * FDT blob 1512 */ 1513 fdt_blob = (char *)fdt_addr; 1514 debug ("* fdt: raw FDT blob\n"); 1515 printf ("## Flattened Device Tree blob at %08lx\n", (long)fdt_blob); 1516 } 1517 break; 1518 default: 1519 fdt_error ("Did not find a cmdline Flattened Device Tree"); 1520 goto error; 1521 } 1522 1523 printf (" Booting using the fdt blob at 0x%x\n", (int)fdt_blob); 1524 1525 } else if (images->legacy_hdr_valid && 1526 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 1527 1528 ulong fdt_data, fdt_len; 1529 1530 /* 1531 * Now check if we have a legacy multi-component image, 1532 * get second entry data start address and len. 1533 */ 1534 printf ("## Flattened Device Tree from multi " 1535 "component Image at %08lX\n", 1536 (ulong)images->legacy_hdr_os); 1537 1538 image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len); 1539 if (fdt_len) { 1540 1541 fdt_blob = (char *)fdt_data; 1542 printf (" Booting using the fdt at 0x%x\n", (int)fdt_blob); 1543 1544 if (fdt_check_header (fdt_blob) != 0) { 1545 fdt_error ("image is not a fdt"); 1546 goto error; 1547 } 1548 1549 if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) { 1550 fdt_error ("fdt size != image size"); 1551 goto error; 1552 } 1553 } else { 1554 debug ("## No Flattened Device Tree\n"); 1555 return 0; 1556 } 1557 } else { 1558 debug ("## No Flattened Device Tree\n"); 1559 return 0; 1560 } 1561 1562 *of_flat_tree = fdt_blob; 1563 *of_size = be32_to_cpu (fdt_totalsize (fdt_blob)); 1564 debug (" of_flat_tree at 0x%08lx size 0x%08lx\n", 1565 *of_flat_tree, *of_size); 1566 1567 return 0; 1568 1569 error: 1570 *of_flat_tree = 0; 1571 *of_size = 0; 1572 return 1; 1573 } 1574 #endif /* CONFIG_OF_LIBFDT */ 1575 1576 /** 1577 * boot_get_cmdline - allocate and initialize kernel cmdline 1578 * @lmb: pointer to lmb handle, will be used for memory mgmt 1579 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1580 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1581 * @bootmap_base: ulong variable, holds offset in physical memory to 1582 * base of bootmap 1583 * 1584 * boot_get_cmdline() allocates space for kernel command line below 1585 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 1586 * variable is present its contents is copied to allocated kernel 1587 * command line. 1588 * 1589 * returns: 1590 * 0 - success 1591 * -1 - failure 1592 */ 1593 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 1594 ulong bootmap_base) 1595 { 1596 char *cmdline; 1597 char *s; 1598 1599 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CFG_BARGSIZE, 0xf, 1600 CFG_BOOTMAPSZ + bootmap_base); 1601 1602 if (cmdline == NULL) 1603 return -1; 1604 1605 if ((s = getenv("bootargs")) == NULL) 1606 s = ""; 1607 1608 strcpy(cmdline, s); 1609 1610 *cmd_start = (ulong) & cmdline[0]; 1611 *cmd_end = *cmd_start + strlen(cmdline); 1612 1613 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1614 1615 return 0; 1616 } 1617 1618 /** 1619 * boot_get_kbd - allocate and initialize kernel copy of board info 1620 * @lmb: pointer to lmb handle, will be used for memory mgmt 1621 * @kbd: double pointer to board info data 1622 * @bootmap_base: ulong variable, holds offset in physical memory to 1623 * base of bootmap 1624 * 1625 * boot_get_kbd() allocates space for kernel copy of board info data below 1626 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1627 * the current u-boot board info data. 1628 * 1629 * returns: 1630 * 0 - success 1631 * -1 - failure 1632 */ 1633 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1634 { 1635 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1636 CFG_BOOTMAPSZ + bootmap_base); 1637 if (*kbd == NULL) 1638 return -1; 1639 1640 **kbd = *(gd->bd); 1641 1642 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1643 1644 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1645 do_bdinfo(NULL, 0, 0, NULL); 1646 #endif 1647 1648 return 0; 1649 } 1650 #endif /* CONFIG_PPC || CONFIG_M68K */ 1651 #endif /* !USE_HOSTCC */ 1652 1653 #if defined(CONFIG_FIT) 1654 /*****************************************************************************/ 1655 /* New uImage format routines */ 1656 /*****************************************************************************/ 1657 #ifndef USE_HOSTCC 1658 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1659 ulong *addr, const char **name) 1660 { 1661 const char *sep; 1662 1663 *addr = addr_curr; 1664 *name = NULL; 1665 1666 sep = strchr (spec, sepc); 1667 if (sep) { 1668 if (sep - spec > 0) 1669 *addr = simple_strtoul (spec, NULL, 16); 1670 1671 *name = sep + 1; 1672 return 1; 1673 } 1674 1675 return 0; 1676 } 1677 1678 /** 1679 * fit_parse_conf - parse FIT configuration spec 1680 * @spec: input string, containing configuration spec 1681 * @add_curr: current image address (to be used as a possible default) 1682 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1683 * configuration 1684 * @conf_name double pointer to a char, will hold pointer to a configuration 1685 * unit name 1686 * 1687 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1688 * where <addr> is a FIT image address that contains configuration 1689 * with a <conf> unit name. 1690 * 1691 * Address part is optional, and if omitted default add_curr will 1692 * be used instead. 1693 * 1694 * returns: 1695 * 1 if spec is a valid configuration string, 1696 * addr and conf_name are set accordingly 1697 * 0 otherwise 1698 */ 1699 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1700 ulong *addr, const char **conf_name) 1701 { 1702 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1703 } 1704 1705 /** 1706 * fit_parse_subimage - parse FIT subimage spec 1707 * @spec: input string, containing subimage spec 1708 * @add_curr: current image address (to be used as a possible default) 1709 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1710 * subimage 1711 * @image_name: double pointer to a char, will hold pointer to a subimage name 1712 * 1713 * fit_parse_subimage() expects subimage spec in the for of 1714 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1715 * subimage with a <subimg> unit name. 1716 * 1717 * Address part is optional, and if omitted default add_curr will 1718 * be used instead. 1719 * 1720 * returns: 1721 * 1 if spec is a valid subimage string, 1722 * addr and image_name are set accordingly 1723 * 0 otherwise 1724 */ 1725 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1726 ulong *addr, const char **image_name) 1727 { 1728 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1729 } 1730 #endif /* !USE_HOSTCC */ 1731 1732 static void fit_get_debug (const void *fit, int noffset, 1733 char *prop_name, int err) 1734 { 1735 debug ("Can't get '%s' property from FIT 0x%08lx, " 1736 "node: offset %d, name %s (%s)\n", 1737 prop_name, (ulong)fit, noffset, 1738 fit_get_name (fit, noffset, NULL), 1739 fdt_strerror (err)); 1740 } 1741 1742 /** 1743 * fit_print_contents - prints out the contents of the FIT format image 1744 * @fit: pointer to the FIT format image header 1745 * @p: pointer to prefix string 1746 * 1747 * fit_print_contents() formats a multi line FIT image contents description. 1748 * The routine prints out FIT image properties (root node level) follwed by 1749 * the details of each component image. 1750 * 1751 * returns: 1752 * no returned results 1753 */ 1754 void fit_print_contents (const void *fit) 1755 { 1756 char *desc; 1757 char *uname; 1758 int images_noffset; 1759 int confs_noffset; 1760 int noffset; 1761 int ndepth; 1762 int count = 0; 1763 int ret; 1764 const char *p; 1765 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1766 time_t timestamp; 1767 #endif 1768 1769 #ifdef USE_HOSTCC 1770 p = ""; 1771 #else 1772 p = " "; 1773 #endif 1774 1775 /* Root node properties */ 1776 ret = fit_get_desc (fit, 0, &desc); 1777 printf ("%sFIT description: ", p); 1778 if (ret) 1779 printf ("unavailable\n"); 1780 else 1781 printf ("%s\n", desc); 1782 1783 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1784 ret = fit_get_timestamp (fit, 0, ×tamp); 1785 printf ("%sCreated: ", p); 1786 if (ret) 1787 printf ("unavailable\n"); 1788 else 1789 genimg_print_time (timestamp); 1790 #endif 1791 1792 /* Find images parent node offset */ 1793 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1794 if (images_noffset < 0) { 1795 printf ("Can't find images parent node '%s' (%s)\n", 1796 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1797 return; 1798 } 1799 1800 /* Process its subnodes, print out component images details */ 1801 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1802 (noffset >= 0) && (ndepth > 0); 1803 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1804 if (ndepth == 1) { 1805 /* 1806 * Direct child node of the images parent node, 1807 * i.e. component image node. 1808 */ 1809 printf ("%s Image %u (%s)\n", p, count++, 1810 fit_get_name(fit, noffset, NULL)); 1811 1812 fit_image_print (fit, noffset, p); 1813 } 1814 } 1815 1816 /* Find configurations parent node offset */ 1817 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 1818 if (confs_noffset < 0) { 1819 debug ("Can't get configurations parent node '%s' (%s)\n", 1820 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 1821 return; 1822 } 1823 1824 /* get default configuration unit name from default property */ 1825 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); 1826 if (uname) 1827 printf ("%s Default Configuration: '%s'\n", p, uname); 1828 1829 /* Process its subnodes, print out configurations details */ 1830 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); 1831 (noffset >= 0) && (ndepth > 0); 1832 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1833 if (ndepth == 1) { 1834 /* 1835 * Direct child node of the configurations parent node, 1836 * i.e. configuration node. 1837 */ 1838 printf ("%s Configuration %u (%s)\n", p, count++, 1839 fit_get_name(fit, noffset, NULL)); 1840 1841 fit_conf_print (fit, noffset, p); 1842 } 1843 } 1844 } 1845 1846 /** 1847 * fit_image_print - prints out the FIT component image details 1848 * @fit: pointer to the FIT format image header 1849 * @image_noffset: offset of the component image node 1850 * @p: pointer to prefix string 1851 * 1852 * fit_image_print() lists all mandatory properies for the processed component 1853 * image. If present, hash nodes are printed out as well. 1854 * 1855 * returns: 1856 * no returned results 1857 */ 1858 void fit_image_print (const void *fit, int image_noffset, const char *p) 1859 { 1860 char *desc; 1861 uint8_t type, arch, os, comp; 1862 size_t size; 1863 ulong load, entry; 1864 const void *data; 1865 int noffset; 1866 int ndepth; 1867 int ret; 1868 1869 /* Mandatory properties */ 1870 ret = fit_get_desc (fit, image_noffset, &desc); 1871 printf ("%s Description: ", p); 1872 if (ret) 1873 printf ("unavailable\n"); 1874 else 1875 printf ("%s\n", desc); 1876 1877 fit_image_get_type (fit, image_noffset, &type); 1878 printf ("%s Type: %s\n", p, genimg_get_type_name (type)); 1879 1880 fit_image_get_comp (fit, image_noffset, &comp); 1881 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); 1882 1883 ret = fit_image_get_data (fit, image_noffset, &data, &size); 1884 1885 #ifndef USE_HOSTCC 1886 printf ("%s Data Start: ", p); 1887 if (ret) 1888 printf ("unavailable\n"); 1889 else 1890 printf ("0x%08lx\n", (ulong)data); 1891 #endif 1892 1893 printf ("%s Data Size: ", p); 1894 if (ret) 1895 printf ("unavailable\n"); 1896 else 1897 genimg_print_size (size); 1898 1899 /* Remaining, type dependent properties */ 1900 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1901 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 1902 (type == IH_TYPE_FLATDT)) { 1903 fit_image_get_arch (fit, image_noffset, &arch); 1904 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); 1905 } 1906 1907 if (type == IH_TYPE_KERNEL) { 1908 fit_image_get_os (fit, image_noffset, &os); 1909 printf ("%s OS: %s\n", p, genimg_get_os_name (os)); 1910 } 1911 1912 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 1913 ret = fit_image_get_load (fit, image_noffset, &load); 1914 printf ("%s Load Address: ", p); 1915 if (ret) 1916 printf ("unavailable\n"); 1917 else 1918 printf ("0x%08lx\n", load); 1919 1920 fit_image_get_entry (fit, image_noffset, &entry); 1921 printf ("%s Entry Point: ", p); 1922 if (ret) 1923 printf ("unavailable\n"); 1924 else 1925 printf ("0x%08lx\n", entry); 1926 } 1927 1928 /* Process all hash subnodes of the component image node */ 1929 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1930 (noffset >= 0) && (ndepth > 0); 1931 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1932 if (ndepth == 1) { 1933 /* Direct child node of the component image node */ 1934 fit_image_print_hash (fit, noffset, p); 1935 } 1936 } 1937 } 1938 1939 /** 1940 * fit_image_print_hash - prints out the hash node details 1941 * @fit: pointer to the FIT format image header 1942 * @noffset: offset of the hash node 1943 * @p: pointer to prefix string 1944 * 1945 * fit_image_print_hash() lists properies for the processed hash node 1946 * 1947 * returns: 1948 * no returned results 1949 */ 1950 void fit_image_print_hash (const void *fit, int noffset, const char *p) 1951 { 1952 char *algo; 1953 uint8_t *value; 1954 int value_len; 1955 int i, ret; 1956 1957 /* 1958 * Check subnode name, must be equal to "hash". 1959 * Multiple hash nodes require unique unit node 1960 * names, e.g. hash@1, hash@2, etc. 1961 */ 1962 if (strncmp (fit_get_name(fit, noffset, NULL), 1963 FIT_HASH_NODENAME, 1964 strlen(FIT_HASH_NODENAME)) != 0) 1965 return; 1966 1967 debug ("%s Hash node: '%s'\n", p, 1968 fit_get_name (fit, noffset, NULL)); 1969 1970 printf ("%s Hash algo: ", p); 1971 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1972 printf ("invalid/unsupported\n"); 1973 return; 1974 } 1975 printf ("%s\n", algo); 1976 1977 ret = fit_image_hash_get_value (fit, noffset, &value, 1978 &value_len); 1979 printf ("%s Hash value: ", p); 1980 if (ret) { 1981 printf ("unavailable\n"); 1982 } else { 1983 for (i = 0; i < value_len; i++) 1984 printf ("%02x", value[i]); 1985 printf ("\n"); 1986 } 1987 1988 debug ("%s Hash len: %d\n", p, value_len); 1989 } 1990 1991 /** 1992 * fit_get_desc - get node description property 1993 * @fit: pointer to the FIT format image header 1994 * @noffset: node offset 1995 * @desc: double pointer to the char, will hold pointer to the descrption 1996 * 1997 * fit_get_desc() reads description property from a given node, if 1998 * description is found pointer to it is returened in third call argument. 1999 * 2000 * returns: 2001 * 0, on success 2002 * -1, on failure 2003 */ 2004 int fit_get_desc (const void *fit, int noffset, char **desc) 2005 { 2006 int len; 2007 2008 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); 2009 if (*desc == NULL) { 2010 fit_get_debug (fit, noffset, FIT_DESC_PROP, len); 2011 return -1; 2012 } 2013 2014 return 0; 2015 } 2016 2017 /** 2018 * fit_get_timestamp - get node timestamp property 2019 * @fit: pointer to the FIT format image header 2020 * @noffset: node offset 2021 * @timestamp: pointer to the time_t, will hold read timestamp 2022 * 2023 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 2024 * is found and has a correct size its value is retured in third call 2025 * argument. 2026 * 2027 * returns: 2028 * 0, on success 2029 * -1, on property read failure 2030 * -2, on wrong timestamp size 2031 */ 2032 int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) 2033 { 2034 int len; 2035 const void *data; 2036 2037 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); 2038 if (data == NULL) { 2039 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); 2040 return -1; 2041 } 2042 if (len != sizeof (uint32_t)) { 2043 debug ("FIT timestamp with incorrect size of (%u)\n", len); 2044 return -2; 2045 } 2046 2047 *timestamp = uimage_to_cpu (*((uint32_t *)data)); 2048 return 0; 2049 } 2050 2051 /** 2052 * fit_image_get_node - get node offset for component image of a given unit name 2053 * @fit: pointer to the FIT format image header 2054 * @image_uname: component image node unit name 2055 * 2056 * fit_image_get_node() finds a component image (withing the '/images' 2057 * node) of a provided unit name. If image is found its node offset is 2058 * returned to the caller. 2059 * 2060 * returns: 2061 * image node offset when found (>=0) 2062 * negative number on failure (FDT_ERR_* code) 2063 */ 2064 int fit_image_get_node (const void *fit, const char *image_uname) 2065 { 2066 int noffset, images_noffset; 2067 2068 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2069 if (images_noffset < 0) { 2070 debug ("Can't find images parent node '%s' (%s)\n", 2071 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2072 return images_noffset; 2073 } 2074 2075 noffset = fdt_subnode_offset (fit, images_noffset, image_uname); 2076 if (noffset < 0) { 2077 debug ("Can't get node offset for image unit name: '%s' (%s)\n", 2078 image_uname, fdt_strerror (noffset)); 2079 } 2080 2081 return noffset; 2082 } 2083 2084 /** 2085 * fit_image_get_os - get os id for a given component image node 2086 * @fit: pointer to the FIT format image header 2087 * @noffset: component image node offset 2088 * @os: pointer to the uint8_t, will hold os numeric id 2089 * 2090 * fit_image_get_os() finds os property in a given component image node. 2091 * If the property is found, its (string) value is translated to the numeric 2092 * id which is returned to the caller. 2093 * 2094 * returns: 2095 * 0, on success 2096 * -1, on failure 2097 */ 2098 int fit_image_get_os (const void *fit, int noffset, uint8_t *os) 2099 { 2100 int len; 2101 const void *data; 2102 2103 /* Get OS name from property data */ 2104 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); 2105 if (data == NULL) { 2106 fit_get_debug (fit, noffset, FIT_OS_PROP, len); 2107 *os = -1; 2108 return -1; 2109 } 2110 2111 /* Translate OS name to id */ 2112 *os = genimg_get_os_id (data); 2113 return 0; 2114 } 2115 2116 /** 2117 * fit_image_get_arch - get arch id for a given component image node 2118 * @fit: pointer to the FIT format image header 2119 * @noffset: component image node offset 2120 * @arch: pointer to the uint8_t, will hold arch numeric id 2121 * 2122 * fit_image_get_arch() finds arch property in a given component image node. 2123 * If the property is found, its (string) value is translated to the numeric 2124 * id which is returned to the caller. 2125 * 2126 * returns: 2127 * 0, on success 2128 * -1, on failure 2129 */ 2130 int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) 2131 { 2132 int len; 2133 const void *data; 2134 2135 /* Get architecture name from property data */ 2136 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); 2137 if (data == NULL) { 2138 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); 2139 *arch = -1; 2140 return -1; 2141 } 2142 2143 /* Translate architecture name to id */ 2144 *arch = genimg_get_arch_id (data); 2145 return 0; 2146 } 2147 2148 /** 2149 * fit_image_get_type - get type id for a given component image node 2150 * @fit: pointer to the FIT format image header 2151 * @noffset: component image node offset 2152 * @type: pointer to the uint8_t, will hold type numeric id 2153 * 2154 * fit_image_get_type() finds type property in a given component image node. 2155 * If the property is found, its (string) value is translated to the numeric 2156 * id which is returned to the caller. 2157 * 2158 * returns: 2159 * 0, on success 2160 * -1, on failure 2161 */ 2162 int fit_image_get_type (const void *fit, int noffset, uint8_t *type) 2163 { 2164 int len; 2165 const void *data; 2166 2167 /* Get image type name from property data */ 2168 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); 2169 if (data == NULL) { 2170 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); 2171 *type = -1; 2172 return -1; 2173 } 2174 2175 /* Translate image type name to id */ 2176 *type = genimg_get_type_id (data); 2177 return 0; 2178 } 2179 2180 /** 2181 * fit_image_get_comp - get comp id for a given component image node 2182 * @fit: pointer to the FIT format image header 2183 * @noffset: component image node offset 2184 * @comp: pointer to the uint8_t, will hold comp numeric id 2185 * 2186 * fit_image_get_comp() finds comp property in a given component image node. 2187 * If the property is found, its (string) value is translated to the numeric 2188 * id which is returned to the caller. 2189 * 2190 * returns: 2191 * 0, on success 2192 * -1, on failure 2193 */ 2194 int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) 2195 { 2196 int len; 2197 const void *data; 2198 2199 /* Get compression name from property data */ 2200 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); 2201 if (data == NULL) { 2202 fit_get_debug (fit, noffset, FIT_COMP_PROP, len); 2203 *comp = -1; 2204 return -1; 2205 } 2206 2207 /* Translate compression name to id */ 2208 *comp = genimg_get_comp_id (data); 2209 return 0; 2210 } 2211 2212 /** 2213 * fit_image_get_load - get load address property for a given component image node 2214 * @fit: pointer to the FIT format image header 2215 * @noffset: component image node offset 2216 * @load: pointer to the uint32_t, will hold load address 2217 * 2218 * fit_image_get_load() finds load address property in a given component image node. 2219 * If the property is found, its value is returned to the caller. 2220 * 2221 * returns: 2222 * 0, on success 2223 * -1, on failure 2224 */ 2225 int fit_image_get_load (const void *fit, int noffset, ulong *load) 2226 { 2227 int len; 2228 const uint32_t *data; 2229 2230 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); 2231 if (data == NULL) { 2232 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); 2233 return -1; 2234 } 2235 2236 *load = uimage_to_cpu (*data); 2237 return 0; 2238 } 2239 2240 /** 2241 * fit_image_get_entry - get entry point address property for a given component image node 2242 * @fit: pointer to the FIT format image header 2243 * @noffset: component image node offset 2244 * @entry: pointer to the uint32_t, will hold entry point address 2245 * 2246 * fit_image_get_entry() finds entry point address property in a given component image node. 2247 * If the property is found, its value is returned to the caller. 2248 * 2249 * returns: 2250 * 0, on success 2251 * -1, on failure 2252 */ 2253 int fit_image_get_entry (const void *fit, int noffset, ulong *entry) 2254 { 2255 int len; 2256 const uint32_t *data; 2257 2258 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); 2259 if (data == NULL) { 2260 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); 2261 return -1; 2262 } 2263 2264 *entry = uimage_to_cpu (*data); 2265 return 0; 2266 } 2267 2268 /** 2269 * fit_image_get_data - get data property and its size for a given component image node 2270 * @fit: pointer to the FIT format image header 2271 * @noffset: component image node offset 2272 * @data: double pointer to void, will hold data property's data address 2273 * @size: pointer to size_t, will hold data property's data size 2274 * 2275 * fit_image_get_data() finds data property in a given component image node. 2276 * If the property is found its data start address and size are returned to 2277 * the caller. 2278 * 2279 * returns: 2280 * 0, on success 2281 * -1, on failure 2282 */ 2283 int fit_image_get_data (const void *fit, int noffset, 2284 const void **data, size_t *size) 2285 { 2286 int len; 2287 2288 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); 2289 if (*data == NULL) { 2290 fit_get_debug (fit, noffset, FIT_DATA_PROP, len); 2291 *size = 0; 2292 return -1; 2293 } 2294 2295 *size = len; 2296 return 0; 2297 } 2298 2299 /** 2300 * fit_image_hash_get_algo - get hash algorithm name 2301 * @fit: pointer to the FIT format image header 2302 * @noffset: hash node offset 2303 * @algo: double pointer to char, will hold pointer to the algorithm name 2304 * 2305 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 2306 * If the property is found its data start address is returned to the caller. 2307 * 2308 * returns: 2309 * 0, on success 2310 * -1, on failure 2311 */ 2312 int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) 2313 { 2314 int len; 2315 2316 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); 2317 if (*algo == NULL) { 2318 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); 2319 return -1; 2320 } 2321 2322 return 0; 2323 } 2324 2325 /** 2326 * fit_image_hash_get_value - get hash value and length 2327 * @fit: pointer to the FIT format image header 2328 * @noffset: hash node offset 2329 * @value: double pointer to uint8_t, will hold address of a hash value data 2330 * @value_len: pointer to an int, will hold hash data length 2331 * 2332 * fit_image_hash_get_value() finds hash value property in a given hash node. 2333 * If the property is found its data start address and size are returned to 2334 * the caller. 2335 * 2336 * returns: 2337 * 0, on success 2338 * -1, on failure 2339 */ 2340 int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, 2341 int *value_len) 2342 { 2343 int len; 2344 2345 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); 2346 if (*value == NULL) { 2347 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); 2348 *value_len = 0; 2349 return -1; 2350 } 2351 2352 *value_len = len; 2353 return 0; 2354 } 2355 2356 /** 2357 * fit_set_timestamp - set node timestamp property 2358 * @fit: pointer to the FIT format image header 2359 * @noffset: node offset 2360 * @timestamp: timestamp value to be set 2361 * 2362 * fit_set_timestamp() attempts to set timestamp property in the requested 2363 * node and returns operation status to the caller. 2364 * 2365 * returns: 2366 * 0, on success 2367 * -1, on property read failure 2368 */ 2369 int fit_set_timestamp (void *fit, int noffset, time_t timestamp) 2370 { 2371 uint32_t t; 2372 int ret; 2373 2374 t = cpu_to_uimage (timestamp); 2375 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, 2376 sizeof (uint32_t)); 2377 if (ret) { 2378 printf ("Can't set '%s' property for '%s' node (%s)\n", 2379 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), 2380 fdt_strerror (ret)); 2381 return -1; 2382 } 2383 2384 return 0; 2385 } 2386 2387 /** 2388 * calculate_hash - calculate and return hash for provided input data 2389 * @data: pointer to the input data 2390 * @data_len: data length 2391 * @algo: requested hash algorithm 2392 * @value: pointer to the char, will hold hash value data (caller must 2393 * allocate enough free space) 2394 * value_len: length of the calculated hash 2395 * 2396 * calculate_hash() computes input data hash according to the requested algorithm. 2397 * Resulting hash value is placed in caller provided 'value' buffer, length 2398 * of the calculated hash is returned via value_len pointer argument. 2399 * 2400 * returns: 2401 * 0, on success 2402 * -1, when algo is unsupported 2403 */ 2404 static int calculate_hash (const void *data, int data_len, const char *algo, 2405 uint8_t *value, int *value_len) 2406 { 2407 if (strcmp (algo, "crc32") == 0 ) { 2408 *((uint32_t *)value) = crc32_wd (0, data, data_len, 2409 CHUNKSZ_CRC32); 2410 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); 2411 *value_len = 4; 2412 } else if (strcmp (algo, "sha1") == 0 ) { 2413 sha1_csum_wd ((unsigned char *) data, data_len, 2414 (unsigned char *) value, CHUNKSZ_SHA1); 2415 *value_len = 20; 2416 } else if (strcmp (algo, "md5") == 0 ) { 2417 md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5); 2418 *value_len = 16; 2419 } else { 2420 debug ("Unsupported hash alogrithm\n"); 2421 return -1; 2422 } 2423 return 0; 2424 } 2425 2426 #ifdef USE_HOSTCC 2427 /** 2428 * fit_set_hashes - process FIT component image nodes and calculate hashes 2429 * @fit: pointer to the FIT format image header 2430 * 2431 * fit_set_hashes() adds hash values for all component images in the FIT blob. 2432 * Hashes are calculated for all component images which have hash subnodes 2433 * with algorithm property set to one of the supported hash algorithms. 2434 * 2435 * returns 2436 * 0, on success 2437 * libfdt error code, on failure 2438 */ 2439 int fit_set_hashes (void *fit) 2440 { 2441 int images_noffset; 2442 int noffset; 2443 int ndepth; 2444 int ret; 2445 2446 /* Find images parent node offset */ 2447 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2448 if (images_noffset < 0) { 2449 printf ("Can't find images parent node '%s' (%s)\n", 2450 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2451 return images_noffset; 2452 } 2453 2454 /* Process its subnodes, print out component images details */ 2455 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 2456 (noffset >= 0) && (ndepth > 0); 2457 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2458 if (ndepth == 1) { 2459 /* 2460 * Direct child node of the images parent node, 2461 * i.e. component image node. 2462 */ 2463 ret = fit_image_set_hashes (fit, noffset); 2464 if (ret) 2465 return ret; 2466 } 2467 } 2468 2469 return 0; 2470 } 2471 2472 /** 2473 * fit_image_set_hashes - calculate/set hashes for given component image node 2474 * @fit: pointer to the FIT format image header 2475 * @image_noffset: requested component image node 2476 * 2477 * fit_image_set_hashes() adds hash values for an component image node. All 2478 * existing hash subnodes are checked, if algorithm property is set to one of 2479 * the supported hash algorithms, hash value is computed and corresponding 2480 * hash node property is set, for example: 2481 * 2482 * Input component image node structure: 2483 * 2484 * o image@1 (at image_noffset) 2485 * | - data = [binary data] 2486 * o hash@1 2487 * |- algo = "sha1" 2488 * 2489 * Output component image node structure: 2490 * 2491 * o image@1 (at image_noffset) 2492 * | - data = [binary data] 2493 * o hash@1 2494 * |- algo = "sha1" 2495 * |- value = sha1(data) 2496 * 2497 * returns: 2498 * 0 on sucess 2499 * <0 on failure 2500 */ 2501 int fit_image_set_hashes (void *fit, int image_noffset) 2502 { 2503 const void *data; 2504 size_t size; 2505 char *algo; 2506 uint8_t value[FIT_MAX_HASH_LEN]; 2507 int value_len; 2508 int noffset; 2509 int ndepth; 2510 2511 /* Get image data and data length */ 2512 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2513 printf ("Can't get image data/size\n"); 2514 return -1; 2515 } 2516 2517 /* Process all hash subnodes of the component image node */ 2518 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2519 (noffset >= 0) && (ndepth > 0); 2520 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2521 if (ndepth == 1) { 2522 /* Direct child node of the component image node */ 2523 2524 /* 2525 * Check subnode name, must be equal to "hash". 2526 * Multiple hash nodes require unique unit node 2527 * names, e.g. hash@1, hash@2, etc. 2528 */ 2529 if (strncmp (fit_get_name(fit, noffset, NULL), 2530 FIT_HASH_NODENAME, 2531 strlen(FIT_HASH_NODENAME)) != 0) { 2532 /* Not a hash subnode, skip it */ 2533 continue; 2534 } 2535 2536 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2537 printf ("Can't get hash algo property for " 2538 "'%s' hash node in '%s' image node\n", 2539 fit_get_name (fit, noffset, NULL), 2540 fit_get_name (fit, image_noffset, NULL)); 2541 return -1; 2542 } 2543 2544 if (calculate_hash (data, size, algo, value, &value_len)) { 2545 printf ("Unsupported hash algorithm (%s) for " 2546 "'%s' hash node in '%s' image node\n", 2547 algo, fit_get_name (fit, noffset, NULL), 2548 fit_get_name (fit, image_noffset, NULL)); 2549 return -1; 2550 } 2551 2552 if (fit_image_hash_set_value (fit, noffset, value, 2553 value_len)) { 2554 printf ("Can't set hash value for " 2555 "'%s' hash node in '%s' image node\n", 2556 fit_get_name (fit, noffset, NULL), 2557 fit_get_name (fit, image_noffset, NULL)); 2558 return -1; 2559 } 2560 } 2561 } 2562 2563 return 0; 2564 } 2565 2566 /** 2567 * fit_image_hash_set_value - set hash value in requested has node 2568 * @fit: pointer to the FIT format image header 2569 * @noffset: hash node offset 2570 * @value: hash value to be set 2571 * @value_len: hash value length 2572 * 2573 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2574 * given and returns operation status to the caller. 2575 * 2576 * returns 2577 * 0, on success 2578 * -1, on failure 2579 */ 2580 int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, 2581 int value_len) 2582 { 2583 int ret; 2584 2585 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); 2586 if (ret) { 2587 printf ("Can't set hash '%s' property for '%s' node (%s)\n", 2588 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), 2589 fdt_strerror (ret)); 2590 return -1; 2591 } 2592 2593 return 0; 2594 } 2595 #endif /* USE_HOSTCC */ 2596 2597 /** 2598 * fit_image_check_hashes - verify data intergity 2599 * @fit: pointer to the FIT format image header 2600 * @image_noffset: component image node offset 2601 * 2602 * fit_image_check_hashes() goes over component image hash nodes, 2603 * re-calculates each data hash and compares with the value stored in hash 2604 * node. 2605 * 2606 * returns: 2607 * 1, if all hashes are valid 2608 * 0, otherwise (or on error) 2609 */ 2610 int fit_image_check_hashes (const void *fit, int image_noffset) 2611 { 2612 const void *data; 2613 size_t size; 2614 char *algo; 2615 uint8_t *fit_value; 2616 int fit_value_len; 2617 uint8_t value[FIT_MAX_HASH_LEN]; 2618 int value_len; 2619 int noffset; 2620 int ndepth; 2621 char *err_msg = ""; 2622 2623 /* Get image data and data length */ 2624 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2625 printf ("Can't get image data/size\n"); 2626 return 0; 2627 } 2628 2629 /* Process all hash subnodes of the component image node */ 2630 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2631 (noffset >= 0) && (ndepth > 0); 2632 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2633 if (ndepth == 1) { 2634 /* Direct child node of the component image node */ 2635 2636 /* 2637 * Check subnode name, must be equal to "hash". 2638 * Multiple hash nodes require unique unit node 2639 * names, e.g. hash@1, hash@2, etc. 2640 */ 2641 if (strncmp (fit_get_name(fit, noffset, NULL), 2642 FIT_HASH_NODENAME, 2643 strlen(FIT_HASH_NODENAME)) != 0) 2644 continue; 2645 2646 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2647 err_msg = "Can't get hash algo property"; 2648 goto error; 2649 } 2650 printf ("%s", algo); 2651 2652 if (fit_image_hash_get_value (fit, noffset, &fit_value, 2653 &fit_value_len)) { 2654 err_msg = "Can't get hash value property"; 2655 goto error; 2656 } 2657 2658 if (calculate_hash (data, size, algo, value, &value_len)) { 2659 err_msg = "Unsupported hash algorithm"; 2660 goto error; 2661 } 2662 2663 if (value_len != fit_value_len) { 2664 err_msg = "Bad hash value len"; 2665 goto error; 2666 } else if (memcmp (value, fit_value, value_len) != 0) { 2667 err_msg = "Bad hash value"; 2668 goto error; 2669 } 2670 printf ("+ "); 2671 } 2672 } 2673 2674 return 1; 2675 2676 error: 2677 printf ("%s for '%s' hash node in '%s' image node\n", 2678 err_msg, fit_get_name (fit, noffset, NULL), 2679 fit_get_name (fit, image_noffset, NULL)); 2680 return 0; 2681 } 2682 2683 /** 2684 * fit_image_check_os - check whether image node is of a given os type 2685 * @fit: pointer to the FIT format image header 2686 * @noffset: component image node offset 2687 * @os: requested image os 2688 * 2689 * fit_image_check_os() reads image os property and compares its numeric 2690 * id with the requested os. Comparison result is returned to the caller. 2691 * 2692 * returns: 2693 * 1 if image is of given os type 2694 * 0 otherwise (or on error) 2695 */ 2696 int fit_image_check_os (const void *fit, int noffset, uint8_t os) 2697 { 2698 uint8_t image_os; 2699 2700 if (fit_image_get_os (fit, noffset, &image_os)) 2701 return 0; 2702 return (os == image_os); 2703 } 2704 2705 /** 2706 * fit_image_check_arch - check whether image node is of a given arch 2707 * @fit: pointer to the FIT format image header 2708 * @noffset: component image node offset 2709 * @arch: requested imagearch 2710 * 2711 * fit_image_check_arch() reads image arch property and compares its numeric 2712 * id with the requested arch. Comparison result is returned to the caller. 2713 * 2714 * returns: 2715 * 1 if image is of given arch 2716 * 0 otherwise (or on error) 2717 */ 2718 int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) 2719 { 2720 uint8_t image_arch; 2721 2722 if (fit_image_get_arch (fit, noffset, &image_arch)) 2723 return 0; 2724 return (arch == image_arch); 2725 } 2726 2727 /** 2728 * fit_image_check_type - check whether image node is of a given type 2729 * @fit: pointer to the FIT format image header 2730 * @noffset: component image node offset 2731 * @type: requested image type 2732 * 2733 * fit_image_check_type() reads image type property and compares its numeric 2734 * id with the requested type. Comparison result is returned to the caller. 2735 * 2736 * returns: 2737 * 1 if image is of given type 2738 * 0 otherwise (or on error) 2739 */ 2740 int fit_image_check_type (const void *fit, int noffset, uint8_t type) 2741 { 2742 uint8_t image_type; 2743 2744 if (fit_image_get_type (fit, noffset, &image_type)) 2745 return 0; 2746 return (type == image_type); 2747 } 2748 2749 /** 2750 * fit_image_check_comp - check whether image node uses given compression 2751 * @fit: pointer to the FIT format image header 2752 * @noffset: component image node offset 2753 * @comp: requested image compression type 2754 * 2755 * fit_image_check_comp() reads image compression property and compares its 2756 * numeric id with the requested compression type. Comparison result is 2757 * returned to the caller. 2758 * 2759 * returns: 2760 * 1 if image uses requested compression 2761 * 0 otherwise (or on error) 2762 */ 2763 int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) 2764 { 2765 uint8_t image_comp; 2766 2767 if (fit_image_get_comp (fit, noffset, &image_comp)) 2768 return 0; 2769 return (comp == image_comp); 2770 } 2771 2772 /** 2773 * fit_check_format - sanity check FIT image format 2774 * @fit: pointer to the FIT format image header 2775 * 2776 * fit_check_format() runs a basic sanity FIT image verification. 2777 * Routine checks for mandatory properties, nodes, etc. 2778 * 2779 * returns: 2780 * 1, on success 2781 * 0, on failure 2782 */ 2783 int fit_check_format (const void *fit) 2784 { 2785 /* mandatory / node 'description' property */ 2786 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2787 debug ("Wrong FIT format: no description\n"); 2788 return 0; 2789 } 2790 2791 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2792 /* mandatory / node 'timestamp' property */ 2793 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2794 debug ("Wrong FIT format: no description\n"); 2795 return 0; 2796 } 2797 #endif 2798 2799 /* mandatory subimages parent '/images' node */ 2800 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { 2801 debug ("Wrong FIT format: no images parent node\n"); 2802 return 0; 2803 } 2804 2805 return 1; 2806 } 2807 2808 /** 2809 * fit_conf_get_node - get node offset for configuration of a given unit name 2810 * @fit: pointer to the FIT format image header 2811 * @conf_uname: configuration node unit name 2812 * 2813 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2814 * parant node) of a provided unit name. If configuration is found its node offset 2815 * is returned to the caller. 2816 * 2817 * When NULL is provided in second argument fit_conf_get_node() will search 2818 * for a default configuration node instead. Default configuration node unit name 2819 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2820 * 2821 * returns: 2822 * configuration node offset when found (>=0) 2823 * negative number on failure (FDT_ERR_* code) 2824 */ 2825 int fit_conf_get_node (const void *fit, const char *conf_uname) 2826 { 2827 int noffset, confs_noffset; 2828 int len; 2829 2830 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 2831 if (confs_noffset < 0) { 2832 debug ("Can't find configurations parent node '%s' (%s)\n", 2833 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 2834 return confs_noffset; 2835 } 2836 2837 if (conf_uname == NULL) { 2838 /* get configuration unit name from the default property */ 2839 debug ("No configuration specified, trying default...\n"); 2840 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); 2841 if (conf_uname == NULL) { 2842 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); 2843 return len; 2844 } 2845 debug ("Found default configuration: '%s'\n", conf_uname); 2846 } 2847 2848 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); 2849 if (noffset < 0) { 2850 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", 2851 conf_uname, fdt_strerror (noffset)); 2852 } 2853 2854 return noffset; 2855 } 2856 2857 static int __fit_conf_get_prop_node (const void *fit, int noffset, 2858 const char *prop_name) 2859 { 2860 char *uname; 2861 int len; 2862 2863 /* get kernel image unit name from configuration kernel property */ 2864 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); 2865 if (uname == NULL) 2866 return len; 2867 2868 return fit_image_get_node (fit, uname); 2869 } 2870 2871 /** 2872 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 2873 * a given configuration 2874 * @fit: pointer to the FIT format image header 2875 * @noffset: configuration node offset 2876 * 2877 * fit_conf_get_kernel_node() retrives kernel image node unit name from 2878 * configuration FIT_KERNEL_PROP property and translates it to the node 2879 * offset. 2880 * 2881 * returns: 2882 * image node offset when found (>=0) 2883 * negative number on failure (FDT_ERR_* code) 2884 */ 2885 int fit_conf_get_kernel_node (const void *fit, int noffset) 2886 { 2887 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); 2888 } 2889 2890 /** 2891 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 2892 * a given configuration 2893 * @fit: pointer to the FIT format image header 2894 * @noffset: configuration node offset 2895 * 2896 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 2897 * configuration FIT_KERNEL_PROP property and translates it to the node 2898 * offset. 2899 * 2900 * returns: 2901 * image node offset when found (>=0) 2902 * negative number on failure (FDT_ERR_* code) 2903 */ 2904 int fit_conf_get_ramdisk_node (const void *fit, int noffset) 2905 { 2906 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); 2907 } 2908 2909 /** 2910 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 2911 * a given configuration 2912 * @fit: pointer to the FIT format image header 2913 * @noffset: configuration node offset 2914 * 2915 * fit_conf_get_fdt_node() retrives fdt image node unit name from 2916 * configuration FIT_KERNEL_PROP property and translates it to the node 2917 * offset. 2918 * 2919 * returns: 2920 * image node offset when found (>=0) 2921 * negative number on failure (FDT_ERR_* code) 2922 */ 2923 int fit_conf_get_fdt_node (const void *fit, int noffset) 2924 { 2925 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); 2926 } 2927 2928 /** 2929 * fit_conf_print - prints out the FIT configuration details 2930 * @fit: pointer to the FIT format image header 2931 * @noffset: offset of the configuration node 2932 * @p: pointer to prefix string 2933 * 2934 * fit_conf_print() lists all mandatory properies for the processed 2935 * configuration node. 2936 * 2937 * returns: 2938 * no returned results 2939 */ 2940 void fit_conf_print (const void *fit, int noffset, const char *p) 2941 { 2942 char *desc; 2943 char *uname; 2944 int ret; 2945 2946 /* Mandatory properties */ 2947 ret = fit_get_desc (fit, noffset, &desc); 2948 printf ("%s Description: ", p); 2949 if (ret) 2950 printf ("unavailable\n"); 2951 else 2952 printf ("%s\n", desc); 2953 2954 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); 2955 printf ("%s Kernel: ", p); 2956 if (uname == NULL) 2957 printf ("unavailable\n"); 2958 else 2959 printf ("%s\n", uname); 2960 2961 /* Optional properties */ 2962 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); 2963 if (uname) 2964 printf ("%s Init Ramdisk: %s\n", p, uname); 2965 2966 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); 2967 if (uname) 2968 printf ("%s FDT: %s\n", p, uname); 2969 } 2970 2971 /** 2972 * fit_check_ramdisk - verify FIT format ramdisk subimage 2973 * @fit_hdr: pointer to the FIT ramdisk header 2974 * @rd_noffset: ramdisk subimage node offset within FIT image 2975 * @arch: requested ramdisk image architecture type 2976 * @verify: data CRC verification flag 2977 * 2978 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 2979 * specified FIT image. 2980 * 2981 * returns: 2982 * 1, on success 2983 * 0, on failure 2984 */ 2985 #ifndef USE_HOSTCC 2986 static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) 2987 { 2988 fit_image_print (fit, rd_noffset, " "); 2989 2990 if (verify) { 2991 puts (" Verifying Hash Integrity ... "); 2992 if (!fit_image_check_hashes (fit, rd_noffset)) { 2993 puts ("Bad Data Hash\n"); 2994 show_boot_progress (-125); 2995 return 0; 2996 } 2997 puts ("OK\n"); 2998 } 2999 3000 show_boot_progress (126); 3001 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || 3002 !fit_image_check_arch (fit, rd_noffset, arch) || 3003 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { 3004 printf ("No Linux %s Ramdisk Image\n", 3005 genimg_get_arch_name(arch)); 3006 show_boot_progress (-126); 3007 return 0; 3008 } 3009 3010 show_boot_progress (127); 3011 return 1; 3012 } 3013 #endif /* USE_HOSTCC */ 3014 #endif /* CONFIG_FIT */ 3015