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 { IH_OS_LINUX, "linux", "Linux", }, 109 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 110 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 111 #endif 112 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 113 { IH_OS_RTEMS, "rtems", "RTEMS", }, 114 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 115 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 116 { IH_OS_QNX, "qnx", "QNX", }, 117 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 118 #endif 119 #ifdef USE_HOSTCC 120 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 121 { IH_OS_DELL, "dell", "Dell", }, 122 { IH_OS_ESIX, "esix", "Esix", }, 123 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 124 { IH_OS_IRIX, "irix", "Irix", }, 125 { IH_OS_NCR, "ncr", "NCR", }, 126 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 127 { IH_OS_PSOS, "psos", "pSOS", }, 128 { IH_OS_SCO, "sco", "SCO", }, 129 { IH_OS_SOLARIS, "solaris", "Solaris", }, 130 { IH_OS_SVR4, "svr4", "SVR4", }, 131 #endif 132 { -1, "", "", }, 133 }; 134 135 static table_entry_t uimage_type[] = { 136 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 137 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 138 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 139 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 140 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 141 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 142 { IH_TYPE_SCRIPT, "script", "Script", }, 143 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 144 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 145 { -1, "", "", }, 146 }; 147 148 static table_entry_t uimage_comp[] = { 149 { IH_COMP_NONE, "none", "uncompressed", }, 150 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 151 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 152 { -1, "", "", }, 153 }; 154 155 uint32_t crc32 (uint32_t, const unsigned char *, uint); 156 uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint); 157 static void genimg_print_size (uint32_t size); 158 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 159 static void genimg_print_time (time_t timestamp); 160 #endif 161 162 /*****************************************************************************/ 163 /* Legacy format routines */ 164 /*****************************************************************************/ 165 int image_check_hcrc (image_header_t *hdr) 166 { 167 ulong hcrc; 168 ulong len = image_get_header_size (); 169 image_header_t header; 170 171 /* Copy header so we can blank CRC field for re-calculation */ 172 memmove (&header, (char *)hdr, image_get_header_size ()); 173 image_set_hcrc (&header, 0); 174 175 hcrc = crc32 (0, (unsigned char *)&header, len); 176 177 return (hcrc == image_get_hcrc (hdr)); 178 } 179 180 int image_check_dcrc (image_header_t *hdr) 181 { 182 ulong data = image_get_data (hdr); 183 ulong len = image_get_data_size (hdr); 184 ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32); 185 186 return (dcrc == image_get_dcrc (hdr)); 187 } 188 189 /** 190 * image_multi_count - get component (sub-image) count 191 * @hdr: pointer to the header of the multi component image 192 * 193 * image_multi_count() returns number of components in a multi 194 * component image. 195 * 196 * Note: no checking of the image type is done, caller must pass 197 * a valid multi component image. 198 * 199 * returns: 200 * number of components 201 */ 202 ulong image_multi_count (image_header_t *hdr) 203 { 204 ulong i, count = 0; 205 uint32_t *size; 206 207 /* get start of the image payload, which in case of multi 208 * component images that points to a table of component sizes */ 209 size = (uint32_t *)image_get_data (hdr); 210 211 /* count non empty slots */ 212 for (i = 0; size[i]; ++i) 213 count++; 214 215 return count; 216 } 217 218 /** 219 * image_multi_getimg - get component data address and size 220 * @hdr: pointer to the header of the multi component image 221 * @idx: index of the requested component 222 * @data: pointer to a ulong variable, will hold component data address 223 * @len: pointer to a ulong variable, will hold component size 224 * 225 * image_multi_getimg() returns size and data address for the requested 226 * component in a multi component image. 227 * 228 * Note: no checking of the image type is done, caller must pass 229 * a valid multi component image. 230 * 231 * returns: 232 * data address and size of the component, if idx is valid 233 * 0 in data and len, if idx is out of range 234 */ 235 void image_multi_getimg (image_header_t *hdr, ulong idx, 236 ulong *data, ulong *len) 237 { 238 int i; 239 uint32_t *size; 240 ulong offset, count, img_data; 241 242 /* get number of component */ 243 count = image_multi_count (hdr); 244 245 /* get start of the image payload, which in case of multi 246 * component images that points to a table of component sizes */ 247 size = (uint32_t *)image_get_data (hdr); 248 249 /* get address of the proper component data start, which means 250 * skipping sizes table (add 1 for last, null entry) */ 251 img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t); 252 253 if (idx < count) { 254 *len = uimage_to_cpu (size[idx]); 255 offset = 0; 256 257 /* go over all indices preceding requested component idx */ 258 for (i = 0; i < idx; i++) { 259 /* add up i-th component size, rounding up to 4 bytes */ 260 offset += (uimage_to_cpu (size[i]) + 3) & ~3 ; 261 } 262 263 /* calculate idx-th component data address */ 264 *data = img_data + offset; 265 } else { 266 *len = 0; 267 *data = 0; 268 } 269 } 270 271 static void image_print_type (image_header_t *hdr) 272 { 273 const char *os, *arch, *type, *comp; 274 275 os = genimg_get_os_name (image_get_os (hdr)); 276 arch = genimg_get_arch_name (image_get_arch (hdr)); 277 type = genimg_get_type_name (image_get_type (hdr)); 278 comp = genimg_get_comp_name (image_get_comp (hdr)); 279 280 printf ("%s %s %s (%s)\n", arch, os, type, comp); 281 } 282 283 /** 284 * image_print_contents - prints out the contents of the legacy format image 285 * @hdr: pointer to the legacy format image header 286 * @p: pointer to prefix string 287 * 288 * image_print_contents() formats a multi line legacy image contents description. 289 * The routine prints out all header fields followed by the size/offset data 290 * for MULTI/SCRIPT images. 291 * 292 * returns: 293 * no returned results 294 */ 295 void image_print_contents (image_header_t *hdr) 296 { 297 const char *p; 298 299 #ifdef USE_HOSTCC 300 p = ""; 301 #else 302 p = " "; 303 #endif 304 305 printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); 306 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 307 printf ("%sCreated: ", p); 308 genimg_print_time ((time_t)image_get_time (hdr)); 309 #endif 310 printf ("%sImage Type: ", p); 311 image_print_type (hdr); 312 printf ("%sData Size: ", p); 313 genimg_print_size (image_get_data_size (hdr)); 314 printf ("%sLoad Address: %08x\n", p, image_get_load (hdr)); 315 printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr)); 316 317 if (image_check_type (hdr, IH_TYPE_MULTI) || 318 image_check_type (hdr, IH_TYPE_SCRIPT)) { 319 int i; 320 ulong data, len; 321 ulong count = image_multi_count (hdr); 322 323 printf ("%sContents:\n", p); 324 for (i = 0; i < count; i++) { 325 image_multi_getimg (hdr, i, &data, &len); 326 327 printf ("%s Image %d: ", p, i); 328 genimg_print_size (len); 329 330 if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { 331 /* 332 * the user may need to know offsets 333 * if planning to do something with 334 * multiple files 335 */ 336 printf ("%s Offset = 0x%08lx\n", p, data); 337 } 338 } 339 } 340 } 341 342 343 #ifndef USE_HOSTCC 344 /** 345 * image_get_ramdisk - get and verify ramdisk image 346 * @rd_addr: ramdisk image start address 347 * @arch: expected ramdisk architecture 348 * @verify: checksum verification flag 349 * 350 * image_get_ramdisk() returns a pointer to the verified ramdisk image 351 * header. Routine receives image start address and expected architecture 352 * flag. Verification done covers data and header integrity and os/type/arch 353 * fields checking. 354 * 355 * If dataflash support is enabled routine checks for dataflash addresses 356 * and handles required dataflash reads. 357 * 358 * returns: 359 * pointer to a ramdisk image header, if image was found and valid 360 * otherwise, return NULL 361 */ 362 static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, 363 int verify) 364 { 365 image_header_t *rd_hdr = (image_header_t *)rd_addr; 366 367 if (!image_check_magic (rd_hdr)) { 368 puts ("Bad Magic Number\n"); 369 show_boot_progress (-10); 370 return NULL; 371 } 372 373 if (!image_check_hcrc (rd_hdr)) { 374 puts ("Bad Header Checksum\n"); 375 show_boot_progress (-11); 376 return NULL; 377 } 378 379 show_boot_progress (10); 380 image_print_contents (rd_hdr); 381 382 if (verify) { 383 puts(" Verifying Checksum ... "); 384 if (!image_check_dcrc (rd_hdr)) { 385 puts ("Bad Data CRC\n"); 386 show_boot_progress (-12); 387 return NULL; 388 } 389 puts("OK\n"); 390 } 391 392 show_boot_progress (11); 393 394 if (!image_check_os (rd_hdr, IH_OS_LINUX) || 395 !image_check_arch (rd_hdr, arch) || 396 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { 397 printf ("No Linux %s Ramdisk Image\n", 398 genimg_get_arch_name(arch)); 399 show_boot_progress (-13); 400 return NULL; 401 } 402 403 return rd_hdr; 404 } 405 #endif /* !USE_HOSTCC */ 406 407 /*****************************************************************************/ 408 /* Shared dual-format routines */ 409 /*****************************************************************************/ 410 #ifndef USE_HOSTCC 411 int getenv_yesno (char *var) 412 { 413 char *s = getenv (var); 414 return (s && (*s == 'n')) ? 0 : 1; 415 } 416 417 ulong getenv_bootm_low(void) 418 { 419 char *s = getenv ("bootm_low"); 420 if (s) { 421 ulong tmp = simple_strtoul (s, NULL, 16); 422 return tmp; 423 } 424 425 #if defined(CFG_SDRAM_BASE) 426 return CFG_SDRAM_BASE; 427 #elif defined(CONFIG_ARM) 428 return gd->bd->bi_dram[0].start; 429 #else 430 return 0; 431 #endif 432 } 433 434 phys_size_t getenv_bootm_size(void) 435 { 436 char *s = getenv ("bootm_size"); 437 if (s) { 438 phys_size_t tmp; 439 #ifdef CFG_64BIT_STRTOUL 440 tmp = (phys_size_t)simple_strtoull (s, NULL, 16); 441 #else 442 tmp = (phys_size_t)simple_strtoul (s, NULL, 16); 443 #endif 444 return tmp; 445 } 446 447 #if defined(CONFIG_ARM) 448 return gd->bd->bi_dram[0].size; 449 #else 450 return gd->bd->bi_memsize; 451 #endif 452 } 453 454 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 455 { 456 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 457 while (len > 0) { 458 size_t tail = (len > chunksz) ? chunksz : len; 459 WATCHDOG_RESET (); 460 memmove (to, from, tail); 461 to += tail; 462 from += tail; 463 len -= tail; 464 } 465 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 466 memmove (to, from, len); 467 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 468 } 469 #endif /* !USE_HOSTCC */ 470 471 static void genimg_print_size (uint32_t size) 472 { 473 #ifndef USE_HOSTCC 474 printf ("%d Bytes = ", size); 475 print_size (size, "\n"); 476 #else 477 printf ("%d Bytes = %.2f kB = %.2f MB\n", 478 size, (double)size / 1.024e3, 479 (double)size / 1.048576e6); 480 #endif 481 } 482 483 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 484 static void genimg_print_time (time_t timestamp) 485 { 486 #ifndef USE_HOSTCC 487 struct rtc_time tm; 488 489 to_tm (timestamp, &tm); 490 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 491 tm.tm_year, tm.tm_mon, tm.tm_mday, 492 tm.tm_hour, tm.tm_min, tm.tm_sec); 493 #else 494 printf ("%s", ctime(×tamp)); 495 #endif 496 } 497 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 498 499 /** 500 * get_table_entry_name - translate entry id to long name 501 * @table: pointer to a translation table for entries of a specific type 502 * @msg: message to be returned when translation fails 503 * @id: entry id to be translated 504 * 505 * get_table_entry_name() will go over translation table trying to find 506 * entry that matches given id. If matching entry is found, its long 507 * name is returned to the caller. 508 * 509 * returns: 510 * long entry name if translation succeeds 511 * msg otherwise 512 */ 513 static char *get_table_entry_name (table_entry_t *table, char *msg, int id) 514 { 515 for (; table->id >= 0; ++table) { 516 if (table->id == id) 517 return (table->lname); 518 } 519 return (msg); 520 } 521 522 const char *genimg_get_os_name (uint8_t os) 523 { 524 return (get_table_entry_name (uimage_os, "Unknown OS", os)); 525 } 526 527 const char *genimg_get_arch_name (uint8_t arch) 528 { 529 return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); 530 } 531 532 const char *genimg_get_type_name (uint8_t type) 533 { 534 return (get_table_entry_name (uimage_type, "Unknown Image", type)); 535 } 536 537 const char *genimg_get_comp_name (uint8_t comp) 538 { 539 return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); 540 } 541 542 /** 543 * get_table_entry_id - translate short entry name to id 544 * @table: pointer to a translation table for entries of a specific type 545 * @table_name: to be used in case of error 546 * @name: entry short name to be translated 547 * 548 * get_table_entry_id() will go over translation table trying to find 549 * entry that matches given short name. If matching entry is found, 550 * its id returned to the caller. 551 * 552 * returns: 553 * entry id if translation succeeds 554 * -1 otherwise 555 */ 556 static int get_table_entry_id (table_entry_t *table, 557 const char *table_name, const char *name) 558 { 559 table_entry_t *t; 560 #ifdef USE_HOSTCC 561 int first = 1; 562 563 for (t = table; t->id >= 0; ++t) { 564 if (t->sname && strcasecmp(t->sname, name) == 0) 565 return (t->id); 566 } 567 568 fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); 569 for (t = table; t->id >= 0; ++t) { 570 if (t->sname == NULL) 571 continue; 572 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); 573 first = 0; 574 } 575 fprintf (stderr, "\n"); 576 #else 577 for (t = table; t->id >= 0; ++t) { 578 if (t->sname && strcmp(t->sname, name) == 0) 579 return (t->id); 580 } 581 debug ("Invalid %s Type: %s\n", table_name, name); 582 #endif /* USE_HOSTCC */ 583 return (-1); 584 } 585 586 int genimg_get_os_id (const char *name) 587 { 588 return (get_table_entry_id (uimage_os, "OS", name)); 589 } 590 591 int genimg_get_arch_id (const char *name) 592 { 593 return (get_table_entry_id (uimage_arch, "CPU", name)); 594 } 595 596 int genimg_get_type_id (const char *name) 597 { 598 return (get_table_entry_id (uimage_type, "Image", name)); 599 } 600 601 int genimg_get_comp_id (const char *name) 602 { 603 return (get_table_entry_id (uimage_comp, "Compression", name)); 604 } 605 606 #ifndef USE_HOSTCC 607 /** 608 * genimg_get_format - get image format type 609 * @img_addr: image start address 610 * 611 * genimg_get_format() checks whether provided address points to a valid 612 * legacy or FIT image. 613 * 614 * New uImage format and FDT blob are based on a libfdt. FDT blob 615 * may be passed directly or embedded in a FIT image. In both situations 616 * genimg_get_format() must be able to dectect libfdt header. 617 * 618 * returns: 619 * image format type or IMAGE_FORMAT_INVALID if no image is present 620 */ 621 int genimg_get_format (void *img_addr) 622 { 623 ulong format = IMAGE_FORMAT_INVALID; 624 image_header_t *hdr; 625 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 626 char *fit_hdr; 627 #endif 628 629 hdr = (image_header_t *)img_addr; 630 if (image_check_magic(hdr)) 631 format = IMAGE_FORMAT_LEGACY; 632 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 633 else { 634 fit_hdr = (char *)img_addr; 635 if (fdt_check_header (fit_hdr) == 0) 636 format = IMAGE_FORMAT_FIT; 637 } 638 #endif 639 640 return format; 641 } 642 643 /** 644 * genimg_get_image - get image from special storage (if necessary) 645 * @img_addr: image start address 646 * 647 * genimg_get_image() checks if provided image start adddress is located 648 * in a dataflash storage. If so, image is moved to a system RAM memory. 649 * 650 * returns: 651 * image start address after possible relocation from special storage 652 */ 653 ulong genimg_get_image (ulong img_addr) 654 { 655 ulong ram_addr = img_addr; 656 657 #ifdef CONFIG_HAS_DATAFLASH 658 ulong h_size, d_size; 659 660 if (addr_dataflash (img_addr)){ 661 /* ger RAM address */ 662 ram_addr = CFG_LOAD_ADDR; 663 664 /* get header size */ 665 h_size = image_get_header_size (); 666 #if defined(CONFIG_FIT) 667 if (sizeof(struct fdt_header) > h_size) 668 h_size = sizeof(struct fdt_header); 669 #endif 670 671 /* read in header */ 672 debug (" Reading image header from dataflash address " 673 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 674 675 read_dataflash (img_addr, h_size, (char *)ram_addr); 676 677 /* get data size */ 678 switch (genimg_get_format ((void *)ram_addr)) { 679 case IMAGE_FORMAT_LEGACY: 680 d_size = image_get_data_size ((image_header_t *)ram_addr); 681 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", 682 ram_addr, d_size); 683 break; 684 #if defined(CONFIG_FIT) 685 case IMAGE_FORMAT_FIT: 686 d_size = fit_get_size ((const void *)ram_addr) - h_size; 687 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", 688 ram_addr, d_size); 689 break; 690 #endif 691 default: 692 printf (" No valid image found at 0x%08lx\n", img_addr); 693 return ram_addr; 694 } 695 696 /* read in image data */ 697 debug (" Reading image remaining data from dataflash address " 698 "%08lx to RAM address %08lx\n", img_addr + h_size, 699 ram_addr + h_size); 700 701 read_dataflash (img_addr + h_size, d_size, 702 (char *)(ram_addr + h_size)); 703 704 } 705 #endif /* CONFIG_HAS_DATAFLASH */ 706 707 return ram_addr; 708 } 709 710 /** 711 * fit_has_config - check if there is a valid FIT configuration 712 * @images: pointer to the bootm command headers structure 713 * 714 * fit_has_config() checks if there is a FIT configuration in use 715 * (if FTI support is present). 716 * 717 * returns: 718 * 0, no FIT support or no configuration found 719 * 1, configuration found 720 */ 721 int genimg_has_config (bootm_headers_t *images) 722 { 723 #if defined(CONFIG_FIT) 724 if (images->fit_uname_cfg) 725 return 1; 726 #endif 727 return 0; 728 } 729 730 /** 731 * boot_get_ramdisk - main ramdisk handling routine 732 * @argc: command argument count 733 * @argv: command argument list 734 * @images: pointer to the bootm images structure 735 * @arch: expected ramdisk architecture 736 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 737 * @rd_end: pointer to a ulong variable, will hold ramdisk end 738 * 739 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 740 * Curently supported are the following ramdisk sources: 741 * - multicomponent kernel/ramdisk image, 742 * - commandline provided address of decicated ramdisk image. 743 * 744 * returns: 745 * 0, if ramdisk image was found and valid, or skiped 746 * rd_start and rd_end are set to ramdisk start/end addresses if 747 * ramdisk image is found and valid 748 * 749 * 1, if ramdisk image is found but corrupted, or invalid 750 * rd_start and rd_end are set to 0 if no ramdisk exists 751 */ 752 int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images, 753 uint8_t arch, ulong *rd_start, ulong *rd_end) 754 { 755 ulong rd_addr, rd_load; 756 ulong rd_data, rd_len; 757 image_header_t *rd_hdr; 758 #if defined(CONFIG_FIT) 759 void *fit_hdr; 760 const char *fit_uname_config = NULL; 761 const char *fit_uname_ramdisk = NULL; 762 ulong default_addr; 763 int rd_noffset; 764 int cfg_noffset; 765 const void *data; 766 size_t size; 767 #endif 768 769 *rd_start = 0; 770 *rd_end = 0; 771 772 /* 773 * Look for a '-' which indicates to ignore the 774 * ramdisk argument 775 */ 776 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 777 debug ("## Skipping init Ramdisk\n"); 778 rd_len = rd_data = 0; 779 } else if (argc >= 3 || genimg_has_config (images)) { 780 #if defined(CONFIG_FIT) 781 if (argc >= 3) { 782 /* 783 * If the init ramdisk comes from the FIT image and 784 * the FIT image address is omitted in the command 785 * line argument, try to use os FIT image address or 786 * default load address. 787 */ 788 if (images->fit_uname_os) 789 default_addr = (ulong)images->fit_hdr_os; 790 else 791 default_addr = load_addr; 792 793 if (fit_parse_conf (argv[2], default_addr, 794 &rd_addr, &fit_uname_config)) { 795 debug ("* ramdisk: config '%s' from image at 0x%08lx\n", 796 fit_uname_config, rd_addr); 797 } else if (fit_parse_subimage (argv[2], default_addr, 798 &rd_addr, &fit_uname_ramdisk)) { 799 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", 800 fit_uname_ramdisk, rd_addr); 801 } else 802 #endif 803 { 804 rd_addr = simple_strtoul(argv[2], NULL, 16); 805 debug ("* ramdisk: cmdline image address = 0x%08lx\n", 806 rd_addr); 807 } 808 #if defined(CONFIG_FIT) 809 } else { 810 /* use FIT configuration provided in first bootm 811 * command argument 812 */ 813 rd_addr = (ulong)images->fit_hdr_os; 814 fit_uname_config = images->fit_uname_cfg; 815 debug ("* ramdisk: using config '%s' from image at 0x%08lx\n", 816 fit_uname_config, rd_addr); 817 818 /* 819 * Check whether configuration has ramdisk defined, 820 * if not, don't try to use it, quit silently. 821 */ 822 fit_hdr = (void *)rd_addr; 823 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 824 if (cfg_noffset < 0) { 825 debug ("* ramdisk: no such config\n"); 826 return 1; 827 } 828 829 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 830 if (rd_noffset < 0) { 831 debug ("* ramdisk: no ramdisk in config\n"); 832 return 0; 833 } 834 } 835 #endif 836 837 /* copy from dataflash if needed */ 838 rd_addr = genimg_get_image (rd_addr); 839 840 /* 841 * Check if there is an initrd image at the 842 * address provided in the second bootm argument 843 * check image type, for FIT images get FIT node. 844 */ 845 switch (genimg_get_format ((void *)rd_addr)) { 846 case IMAGE_FORMAT_LEGACY: 847 printf ("## Loading init Ramdisk from Legacy " 848 "Image at %08lx ...\n", rd_addr); 849 850 show_boot_progress (9); 851 rd_hdr = image_get_ramdisk (rd_addr, arch, 852 images->verify); 853 854 if (rd_hdr == NULL) 855 return 1; 856 857 rd_data = image_get_data (rd_hdr); 858 rd_len = image_get_data_size (rd_hdr); 859 rd_load = image_get_load (rd_hdr); 860 break; 861 #if defined(CONFIG_FIT) 862 case IMAGE_FORMAT_FIT: 863 fit_hdr = (void *)rd_addr; 864 printf ("## Loading init Ramdisk from FIT " 865 "Image at %08lx ...\n", rd_addr); 866 867 show_boot_progress (120); 868 if (!fit_check_format (fit_hdr)) { 869 puts ("Bad FIT ramdisk image format!\n"); 870 show_boot_progress (-120); 871 return 1; 872 } 873 show_boot_progress (121); 874 875 if (!fit_uname_ramdisk) { 876 /* 877 * no ramdisk image node unit name, try to get config 878 * node first. If config unit node name is NULL 879 * fit_conf_get_node() will try to find default config node 880 */ 881 show_boot_progress (122); 882 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 883 if (cfg_noffset < 0) { 884 puts ("Could not find configuration node\n"); 885 show_boot_progress (-122); 886 return 1; 887 } 888 fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL); 889 printf (" Using '%s' configuration\n", fit_uname_config); 890 891 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 892 fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); 893 } else { 894 /* get ramdisk component image node offset */ 895 show_boot_progress (123); 896 rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); 897 } 898 if (rd_noffset < 0) { 899 puts ("Could not find subimage node\n"); 900 show_boot_progress (-124); 901 return 1; 902 } 903 904 printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); 905 906 show_boot_progress (125); 907 if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) 908 return 1; 909 910 /* get ramdisk image data address and length */ 911 if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { 912 puts ("Could not find ramdisk subimage data!\n"); 913 show_boot_progress (-127); 914 return 1; 915 } 916 show_boot_progress (128); 917 918 rd_data = (ulong)data; 919 rd_len = size; 920 921 if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { 922 puts ("Can't get ramdisk subimage load address!\n"); 923 show_boot_progress (-129); 924 return 1; 925 } 926 show_boot_progress (129); 927 928 images->fit_hdr_rd = fit_hdr; 929 images->fit_uname_rd = fit_uname_ramdisk; 930 images->fit_noffset_rd = rd_noffset; 931 break; 932 #endif 933 default: 934 puts ("Wrong Ramdisk Image Format\n"); 935 rd_data = rd_len = rd_load = 0; 936 return 1; 937 } 938 939 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 940 /* 941 * We need to copy the ramdisk to SRAM to let Linux boot 942 */ 943 if (rd_data) { 944 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 945 rd_data = rd_load; 946 } 947 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 948 949 } else if (images->legacy_hdr_valid && 950 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 951 /* 952 * Now check if we have a legacy mult-component image, 953 * get second entry data start address and len. 954 */ 955 show_boot_progress (13); 956 printf ("## Loading init Ramdisk from multi component " 957 "Legacy Image at %08lx ...\n", 958 (ulong)images->legacy_hdr_os); 959 960 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 961 } else { 962 /* 963 * no initrd image 964 */ 965 show_boot_progress (14); 966 rd_len = rd_data = 0; 967 } 968 969 if (!rd_data) { 970 debug ("## No init Ramdisk\n"); 971 } else { 972 *rd_start = rd_data; 973 *rd_end = rd_data + rd_len; 974 } 975 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 976 *rd_start, *rd_end); 977 978 return 0; 979 } 980 981 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) 982 /** 983 * boot_ramdisk_high - relocate init ramdisk 984 * @lmb: pointer to lmb handle, will be used for memory mgmt 985 * @rd_data: ramdisk data start address 986 * @rd_len: ramdisk data length 987 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 988 * start address (after possible relocation) 989 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 990 * end address (after possible relocation) 991 * 992 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 993 * variable and if requested ramdisk data is moved to a specified location. 994 * 995 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 996 * start/end addresses if ramdisk image start and len were provided, 997 * otherwise set initrd_start and initrd_end set to zeros. 998 * 999 * returns: 1000 * 0 - success 1001 * -1 - failure 1002 */ 1003 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 1004 ulong *initrd_start, ulong *initrd_end) 1005 { 1006 char *s; 1007 ulong initrd_high; 1008 int initrd_copy_to_ram = 1; 1009 1010 if ((s = getenv ("initrd_high")) != NULL) { 1011 /* a value of "no" or a similar string will act like 0, 1012 * turning the "load high" feature off. This is intentional. 1013 */ 1014 initrd_high = simple_strtoul (s, NULL, 16); 1015 if (initrd_high == ~0) 1016 initrd_copy_to_ram = 0; 1017 } else { 1018 /* not set, no restrictions to load high */ 1019 initrd_high = ~0; 1020 } 1021 1022 1023 #ifdef CONFIG_LOGBUFFER 1024 /* Prevent initrd from overwriting logbuffer */ 1025 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1026 #endif 1027 1028 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1029 initrd_high, initrd_copy_to_ram); 1030 1031 if (rd_data) { 1032 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1033 debug (" in-place initrd\n"); 1034 *initrd_start = rd_data; 1035 *initrd_end = rd_data + rd_len; 1036 lmb_reserve(lmb, rd_data, rd_len); 1037 } else { 1038 if (initrd_high) 1039 *initrd_start = (ulong)lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 1040 else 1041 *initrd_start = (ulong)lmb_alloc (lmb, rd_len, 0x1000); 1042 1043 if (*initrd_start == 0) { 1044 puts ("ramdisk - allocation error\n"); 1045 goto error; 1046 } 1047 show_boot_progress (12); 1048 1049 *initrd_end = *initrd_start + rd_len; 1050 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 1051 *initrd_start, *initrd_end); 1052 1053 memmove_wd ((void *)*initrd_start, 1054 (void *)rd_data, rd_len, CHUNKSZ); 1055 1056 puts ("OK\n"); 1057 } 1058 } else { 1059 *initrd_start = 0; 1060 *initrd_end = 0; 1061 } 1062 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1063 *initrd_start, *initrd_end); 1064 1065 return 0; 1066 1067 error: 1068 return -1; 1069 } 1070 1071 #ifdef CONFIG_OF_LIBFDT 1072 static void fdt_error (const char *msg) 1073 { 1074 puts ("ERROR: "); 1075 puts (msg); 1076 puts (" - must RESET the board to recover.\n"); 1077 } 1078 1079 static image_header_t *image_get_fdt (ulong fdt_addr) 1080 { 1081 image_header_t *fdt_hdr = (image_header_t *)fdt_addr; 1082 1083 image_print_contents (fdt_hdr); 1084 1085 puts (" Verifying Checksum ... "); 1086 if (!image_check_hcrc (fdt_hdr)) { 1087 fdt_error ("fdt header checksum invalid"); 1088 return NULL; 1089 } 1090 1091 if (!image_check_dcrc (fdt_hdr)) { 1092 fdt_error ("fdt checksum invalid"); 1093 return NULL; 1094 } 1095 puts ("OK\n"); 1096 1097 if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) { 1098 fdt_error ("uImage is not a fdt"); 1099 return NULL; 1100 } 1101 if (image_get_comp (fdt_hdr) != IH_COMP_NONE) { 1102 fdt_error ("uImage is compressed"); 1103 return NULL; 1104 } 1105 if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) { 1106 fdt_error ("uImage data is not a fdt"); 1107 return NULL; 1108 } 1109 return fdt_hdr; 1110 } 1111 1112 /** 1113 * fit_check_fdt - verify FIT format FDT subimage 1114 * @fit_hdr: pointer to the FIT header 1115 * fdt_noffset: FDT subimage node offset within FIT image 1116 * @verify: data CRC verification flag 1117 * 1118 * fit_check_fdt() verifies integrity of the FDT subimage and from 1119 * specified FIT image. 1120 * 1121 * returns: 1122 * 1, on success 1123 * 0, on failure 1124 */ 1125 #if defined(CONFIG_FIT) 1126 static int fit_check_fdt (const void *fit, int fdt_noffset, int verify) 1127 { 1128 fit_image_print (fit, fdt_noffset, " "); 1129 1130 if (verify) { 1131 puts (" Verifying Hash Integrity ... "); 1132 if (!fit_image_check_hashes (fit, fdt_noffset)) { 1133 fdt_error ("Bad Data Hash"); 1134 return 0; 1135 } 1136 puts ("OK\n"); 1137 } 1138 1139 if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) { 1140 fdt_error ("Not a FDT image"); 1141 return 0; 1142 } 1143 1144 if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) { 1145 fdt_error ("FDT image is compressed"); 1146 return 0; 1147 } 1148 1149 return 1; 1150 } 1151 #endif /* CONFIG_FIT */ 1152 1153 #ifndef CFG_FDT_PAD 1154 #define CFG_FDT_PAD 0x3000 1155 #endif 1156 1157 /** 1158 * boot_relocate_fdt - relocate flat device tree 1159 * @lmb: pointer to lmb handle, will be used for memory mgmt 1160 * @bootmap_base: base address of the bootmap region 1161 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1162 * @of_size: pointer to a ulong variable, will hold fdt length 1163 * 1164 * boot_relocate_fdt() determines if the of_flat_tree address is within 1165 * the bootmap and if not relocates it into that region 1166 * 1167 * of_flat_tree and of_size are set to final (after relocation) values 1168 * 1169 * returns: 1170 * 0 - success 1171 * 1 - failure 1172 */ 1173 int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base, 1174 char **of_flat_tree, ulong *of_size) 1175 { 1176 char *fdt_blob = *of_flat_tree; 1177 ulong relocate = 0; 1178 ulong of_len = 0; 1179 1180 /* nothing to do */ 1181 if (*of_size == 0) 1182 return 0; 1183 1184 if (fdt_check_header (fdt_blob) != 0) { 1185 fdt_error ("image is not a fdt"); 1186 goto error; 1187 } 1188 1189 #ifndef CFG_NO_FLASH 1190 /* move the blob if it is in flash (set relocate) */ 1191 if (addr2info ((ulong)fdt_blob) != NULL) 1192 relocate = 1; 1193 #endif 1194 1195 /* 1196 * The blob needs to be inside the boot mapping. 1197 */ 1198 if (fdt_blob < (char *)bootmap_base) 1199 relocate = 1; 1200 1201 if ((fdt_blob + *of_size + CFG_FDT_PAD) >= 1202 ((char *)CFG_BOOTMAPSZ + bootmap_base)) 1203 relocate = 1; 1204 1205 /* move flattend device tree if needed */ 1206 if (relocate) { 1207 int err; 1208 ulong of_start = 0; 1209 1210 /* position on a 4K boundary before the alloc_current */ 1211 /* Pad the FDT by a specified amount */ 1212 of_len = *of_size + CFG_FDT_PAD; 1213 of_start = (unsigned long)lmb_alloc_base(lmb, of_len, 0x1000, 1214 (CFG_BOOTMAPSZ + bootmap_base)); 1215 1216 if (of_start == 0) { 1217 puts("device tree - allocation error\n"); 1218 goto error; 1219 } 1220 1221 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", 1222 (ulong)fdt_blob, (ulong)fdt_blob + *of_size - 1, 1223 of_len, of_len); 1224 1225 printf (" Loading Device Tree to %08lx, end %08lx ... ", 1226 of_start, of_start + of_len - 1); 1227 1228 err = fdt_open_into (fdt_blob, (void *)of_start, of_len); 1229 if (err != 0) { 1230 fdt_error ("fdt move failed"); 1231 goto error; 1232 } 1233 puts ("OK\n"); 1234 1235 *of_flat_tree = (char *)of_start; 1236 *of_size = of_len; 1237 } else { 1238 *of_flat_tree = fdt_blob; 1239 of_len = (CFG_BOOTMAPSZ + bootmap_base) - (ulong)fdt_blob; 1240 lmb_reserve(lmb, (ulong)fdt_blob, of_len); 1241 fdt_set_totalsize(*of_flat_tree, of_len); 1242 1243 *of_size = of_len; 1244 } 1245 1246 set_working_fdt_addr(*of_flat_tree); 1247 return 0; 1248 1249 error: 1250 return 1; 1251 } 1252 1253 /** 1254 * boot_get_fdt - main fdt handling routine 1255 * @argc: command argument count 1256 * @argv: command argument list 1257 * @images: pointer to the bootm images structure 1258 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1259 * @of_size: pointer to a ulong variable, will hold fdt length 1260 * 1261 * boot_get_fdt() is responsible for finding a valid flat device tree image. 1262 * Curently supported are the following ramdisk sources: 1263 * - multicomponent kernel/ramdisk image, 1264 * - commandline provided address of decicated ramdisk image. 1265 * 1266 * returns: 1267 * 0, if fdt image was found and valid, or skipped 1268 * of_flat_tree and of_size are set to fdt start address and length if 1269 * fdt image is found and valid 1270 * 1271 * 1, if fdt image is found but corrupted 1272 * of_flat_tree and of_size are set to 0 if no fdt exists 1273 */ 1274 int boot_get_fdt (int flag, int argc, char *argv[], bootm_headers_t *images, 1275 char **of_flat_tree, ulong *of_size) 1276 { 1277 ulong fdt_addr; 1278 image_header_t *fdt_hdr; 1279 char *fdt_blob = NULL; 1280 ulong image_start, image_end; 1281 ulong load_start, load_end; 1282 #if defined(CONFIG_FIT) 1283 void *fit_hdr; 1284 const char *fit_uname_config = NULL; 1285 const char *fit_uname_fdt = NULL; 1286 ulong default_addr; 1287 int cfg_noffset; 1288 int fdt_noffset; 1289 const void *data; 1290 size_t size; 1291 #endif 1292 1293 *of_flat_tree = NULL; 1294 *of_size = 0; 1295 1296 if (argc > 3 || genimg_has_config (images)) { 1297 #if defined(CONFIG_FIT) 1298 if (argc > 3) { 1299 /* 1300 * If the FDT blob comes from the FIT image and the 1301 * FIT image address is omitted in the command line 1302 * argument, try to use ramdisk or os FIT image 1303 * address or default load address. 1304 */ 1305 if (images->fit_uname_rd) 1306 default_addr = (ulong)images->fit_hdr_rd; 1307 else if (images->fit_uname_os) 1308 default_addr = (ulong)images->fit_hdr_os; 1309 else 1310 default_addr = load_addr; 1311 1312 if (fit_parse_conf (argv[3], default_addr, 1313 &fdt_addr, &fit_uname_config)) { 1314 debug ("* fdt: config '%s' from image at 0x%08lx\n", 1315 fit_uname_config, fdt_addr); 1316 } else if (fit_parse_subimage (argv[3], default_addr, 1317 &fdt_addr, &fit_uname_fdt)) { 1318 debug ("* fdt: subimage '%s' from image at 0x%08lx\n", 1319 fit_uname_fdt, fdt_addr); 1320 } else 1321 #endif 1322 { 1323 fdt_addr = simple_strtoul(argv[3], NULL, 16); 1324 debug ("* fdt: cmdline image address = 0x%08lx\n", 1325 fdt_addr); 1326 } 1327 #if defined(CONFIG_FIT) 1328 } else { 1329 /* use FIT configuration provided in first bootm 1330 * command argument 1331 */ 1332 fdt_addr = (ulong)images->fit_hdr_os; 1333 fit_uname_config = images->fit_uname_cfg; 1334 debug ("* fdt: using config '%s' from image at 0x%08lx\n", 1335 fit_uname_config, fdt_addr); 1336 1337 /* 1338 * Check whether configuration has FDT blob defined, 1339 * if not quit silently. 1340 */ 1341 fit_hdr = (void *)fdt_addr; 1342 cfg_noffset = fit_conf_get_node (fit_hdr, 1343 fit_uname_config); 1344 if (cfg_noffset < 0) { 1345 debug ("* fdt: no such config\n"); 1346 return 0; 1347 } 1348 1349 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1350 cfg_noffset); 1351 if (fdt_noffset < 0) { 1352 debug ("* fdt: no fdt in config\n"); 1353 return 0; 1354 } 1355 } 1356 #endif 1357 1358 debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n", 1359 fdt_addr); 1360 1361 /* copy from dataflash if needed */ 1362 fdt_addr = genimg_get_image (fdt_addr); 1363 1364 /* 1365 * Check if there is an FDT image at the 1366 * address provided in the second bootm argument 1367 * check image type, for FIT images get a FIT node. 1368 */ 1369 switch (genimg_get_format ((void *)fdt_addr)) { 1370 case IMAGE_FORMAT_LEGACY: 1371 /* verify fdt_addr points to a valid image header */ 1372 printf ("## Flattened Device Tree from Legacy Image at %08lx\n", 1373 fdt_addr); 1374 fdt_hdr = image_get_fdt (fdt_addr); 1375 if (!fdt_hdr) 1376 goto error; 1377 1378 /* 1379 * move image data to the load address, 1380 * make sure we don't overwrite initial image 1381 */ 1382 image_start = (ulong)fdt_hdr; 1383 image_end = image_get_image_end (fdt_hdr); 1384 1385 load_start = image_get_load (fdt_hdr); 1386 load_end = load_start + image_get_data_size (fdt_hdr); 1387 1388 if ((load_start < image_end) && (load_end > image_start)) { 1389 fdt_error ("fdt overwritten"); 1390 goto error; 1391 } 1392 1393 debug (" Loading FDT from 0x%08lx to 0x%08lx\n", 1394 image_get_data (fdt_hdr), load_start); 1395 1396 memmove ((void *)load_start, 1397 (void *)image_get_data (fdt_hdr), 1398 image_get_data_size (fdt_hdr)); 1399 1400 fdt_blob = (char *)load_start; 1401 break; 1402 case IMAGE_FORMAT_FIT: 1403 /* 1404 * This case will catch both: new uImage format 1405 * (libfdt based) and raw FDT blob (also libfdt 1406 * based). 1407 */ 1408 #if defined(CONFIG_FIT) 1409 /* check FDT blob vs FIT blob */ 1410 if (fit_check_format ((const void *)fdt_addr)) { 1411 /* 1412 * FIT image 1413 */ 1414 fit_hdr = (void *)fdt_addr; 1415 printf ("## Flattened Device Tree from FIT Image at %08lx\n", 1416 fdt_addr); 1417 1418 if (!fit_uname_fdt) { 1419 /* 1420 * no FDT blob image node unit name, 1421 * try to get config node first. If 1422 * config unit node name is NULL 1423 * fit_conf_get_node() will try to 1424 * find default config node 1425 */ 1426 cfg_noffset = fit_conf_get_node (fit_hdr, 1427 fit_uname_config); 1428 1429 if (cfg_noffset < 0) { 1430 fdt_error ("Could not find configuration node\n"); 1431 goto error; 1432 } 1433 1434 fit_uname_config = fdt_get_name (fit_hdr, 1435 cfg_noffset, NULL); 1436 printf (" Using '%s' configuration\n", 1437 fit_uname_config); 1438 1439 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1440 cfg_noffset); 1441 fit_uname_fdt = fit_get_name (fit_hdr, 1442 fdt_noffset, NULL); 1443 } else { 1444 /* get FDT component image node offset */ 1445 fdt_noffset = fit_image_get_node (fit_hdr, 1446 fit_uname_fdt); 1447 } 1448 if (fdt_noffset < 0) { 1449 fdt_error ("Could not find subimage node\n"); 1450 goto error; 1451 } 1452 1453 printf (" Trying '%s' FDT blob subimage\n", 1454 fit_uname_fdt); 1455 1456 if (!fit_check_fdt (fit_hdr, fdt_noffset, 1457 images->verify)) 1458 goto error; 1459 1460 /* get ramdisk image data address and length */ 1461 if (fit_image_get_data (fit_hdr, fdt_noffset, 1462 &data, &size)) { 1463 fdt_error ("Could not find FDT subimage data"); 1464 goto error; 1465 } 1466 1467 /* verift that image data is a proper FDT blob */ 1468 if (fdt_check_header ((char *)data) != 0) { 1469 fdt_error ("Subimage data is not a FTD"); 1470 goto error; 1471 } 1472 1473 /* 1474 * move image data to the load address, 1475 * make sure we don't overwrite initial image 1476 */ 1477 image_start = (ulong)fit_hdr; 1478 image_end = fit_get_end (fit_hdr); 1479 1480 if (fit_image_get_load (fit_hdr, fdt_noffset, 1481 &load_start) == 0) { 1482 load_end = load_start + size; 1483 1484 if ((load_start < image_end) && 1485 (load_end > image_start)) { 1486 fdt_error ("FDT overwritten"); 1487 goto error; 1488 } 1489 1490 printf (" Loading FDT from 0x%08lx to 0x%08lx\n", 1491 (ulong)data, load_start); 1492 1493 memmove ((void *)load_start, 1494 (void *)data, size); 1495 1496 fdt_blob = (char *)load_start; 1497 } else { 1498 fdt_blob = (char *)data; 1499 } 1500 1501 images->fit_hdr_fdt = fit_hdr; 1502 images->fit_uname_fdt = fit_uname_fdt; 1503 images->fit_noffset_fdt = fdt_noffset; 1504 break; 1505 } else 1506 #endif 1507 { 1508 /* 1509 * FDT blob 1510 */ 1511 fdt_blob = (char *)fdt_addr; 1512 debug ("* fdt: raw FDT blob\n"); 1513 printf ("## Flattened Device Tree blob at %08lx\n", (long)fdt_blob); 1514 } 1515 break; 1516 default: 1517 puts ("ERROR: Did not find a cmdline Flattened Device Tree\n"); 1518 goto error; 1519 } 1520 1521 printf (" Booting using the fdt blob at 0x%x\n", (int)fdt_blob); 1522 1523 } else if (images->legacy_hdr_valid && 1524 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 1525 1526 ulong fdt_data, fdt_len; 1527 1528 /* 1529 * Now check if we have a legacy multi-component image, 1530 * get second entry data start address and len. 1531 */ 1532 printf ("## Flattened Device Tree from multi " 1533 "component Image at %08lX\n", 1534 (ulong)images->legacy_hdr_os); 1535 1536 image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len); 1537 if (fdt_len) { 1538 1539 fdt_blob = (char *)fdt_data; 1540 printf (" Booting using the fdt at 0x%x\n", (int)fdt_blob); 1541 1542 if (fdt_check_header (fdt_blob) != 0) { 1543 fdt_error ("image is not a fdt"); 1544 goto error; 1545 } 1546 1547 if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) { 1548 fdt_error ("fdt size != image size"); 1549 goto error; 1550 } 1551 } else { 1552 debug ("## No Flattened Device Tree\n"); 1553 return 0; 1554 } 1555 } else { 1556 debug ("## No Flattened Device Tree\n"); 1557 return 0; 1558 } 1559 1560 *of_flat_tree = fdt_blob; 1561 *of_size = be32_to_cpu (fdt_totalsize (fdt_blob)); 1562 debug (" of_flat_tree at 0x%08lx size 0x%08lx\n", 1563 *of_flat_tree, *of_size); 1564 1565 return 0; 1566 1567 error: 1568 *of_flat_tree = 0; 1569 *of_size = 0; 1570 return 1; 1571 } 1572 #endif /* CONFIG_OF_LIBFDT */ 1573 1574 /** 1575 * boot_get_cmdline - allocate and initialize kernel cmdline 1576 * @lmb: pointer to lmb handle, will be used for memory mgmt 1577 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1578 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1579 * @bootmap_base: ulong variable, holds offset in physical memory to 1580 * base of bootmap 1581 * 1582 * boot_get_cmdline() allocates space for kernel command line below 1583 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 1584 * variable is present its contents is copied to allocated kernel 1585 * command line. 1586 * 1587 * returns: 1588 * 0 - success 1589 * -1 - failure 1590 */ 1591 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 1592 ulong bootmap_base) 1593 { 1594 char *cmdline; 1595 char *s; 1596 1597 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CFG_BARGSIZE, 0xf, 1598 CFG_BOOTMAPSZ + bootmap_base); 1599 1600 if (cmdline == NULL) 1601 return -1; 1602 1603 if ((s = getenv("bootargs")) == NULL) 1604 s = ""; 1605 1606 strcpy(cmdline, s); 1607 1608 *cmd_start = (ulong) & cmdline[0]; 1609 *cmd_end = *cmd_start + strlen(cmdline); 1610 1611 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1612 1613 return 0; 1614 } 1615 1616 /** 1617 * boot_get_kbd - allocate and initialize kernel copy of board info 1618 * @lmb: pointer to lmb handle, will be used for memory mgmt 1619 * @kbd: double pointer to board info data 1620 * @bootmap_base: ulong variable, holds offset in physical memory to 1621 * base of bootmap 1622 * 1623 * boot_get_kbd() allocates space for kernel copy of board info data below 1624 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1625 * the current u-boot board info data. 1626 * 1627 * returns: 1628 * 0 - success 1629 * -1 - failure 1630 */ 1631 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1632 { 1633 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1634 CFG_BOOTMAPSZ + bootmap_base); 1635 if (*kbd == NULL) 1636 return -1; 1637 1638 **kbd = *(gd->bd); 1639 1640 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1641 1642 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1643 do_bdinfo(NULL, 0, 0, NULL); 1644 #endif 1645 1646 return 0; 1647 } 1648 #endif /* CONFIG_PPC || CONFIG_M68K */ 1649 #endif /* !USE_HOSTCC */ 1650 1651 #if defined(CONFIG_FIT) 1652 /*****************************************************************************/ 1653 /* New uImage format routines */ 1654 /*****************************************************************************/ 1655 #ifndef USE_HOSTCC 1656 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1657 ulong *addr, const char **name) 1658 { 1659 const char *sep; 1660 1661 *addr = addr_curr; 1662 *name = NULL; 1663 1664 sep = strchr (spec, sepc); 1665 if (sep) { 1666 if (sep - spec > 0) 1667 *addr = simple_strtoul (spec, NULL, 16); 1668 1669 *name = sep + 1; 1670 return 1; 1671 } 1672 1673 return 0; 1674 } 1675 1676 /** 1677 * fit_parse_conf - parse FIT configuration spec 1678 * @spec: input string, containing configuration spec 1679 * @add_curr: current image address (to be used as a possible default) 1680 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1681 * configuration 1682 * @conf_name double pointer to a char, will hold pointer to a configuration 1683 * unit name 1684 * 1685 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1686 * where <addr> is a FIT image address that contains configuration 1687 * with a <conf> unit name. 1688 * 1689 * Address part is optional, and if omitted default add_curr will 1690 * be used instead. 1691 * 1692 * returns: 1693 * 1 if spec is a valid configuration string, 1694 * addr and conf_name are set accordingly 1695 * 0 otherwise 1696 */ 1697 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1698 ulong *addr, const char **conf_name) 1699 { 1700 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1701 } 1702 1703 /** 1704 * fit_parse_subimage - parse FIT subimage spec 1705 * @spec: input string, containing subimage spec 1706 * @add_curr: current image address (to be used as a possible default) 1707 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1708 * subimage 1709 * @image_name: double pointer to a char, will hold pointer to a subimage name 1710 * 1711 * fit_parse_subimage() expects subimage spec in the for of 1712 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1713 * subimage with a <subimg> unit name. 1714 * 1715 * Address part is optional, and if omitted default add_curr will 1716 * be used instead. 1717 * 1718 * returns: 1719 * 1 if spec is a valid subimage string, 1720 * addr and image_name are set accordingly 1721 * 0 otherwise 1722 */ 1723 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1724 ulong *addr, const char **image_name) 1725 { 1726 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1727 } 1728 #endif /* !USE_HOSTCC */ 1729 1730 static void fit_get_debug (const void *fit, int noffset, 1731 char *prop_name, int err) 1732 { 1733 debug ("Can't get '%s' property from FIT 0x%08lx, " 1734 "node: offset %d, name %s (%s)\n", 1735 prop_name, (ulong)fit, noffset, 1736 fit_get_name (fit, noffset, NULL), 1737 fdt_strerror (err)); 1738 } 1739 1740 /** 1741 * fit_print_contents - prints out the contents of the FIT format image 1742 * @fit: pointer to the FIT format image header 1743 * @p: pointer to prefix string 1744 * 1745 * fit_print_contents() formats a multi line FIT image contents description. 1746 * The routine prints out FIT image properties (root node level) follwed by 1747 * the details of each component image. 1748 * 1749 * returns: 1750 * no returned results 1751 */ 1752 void fit_print_contents (const void *fit) 1753 { 1754 char *desc; 1755 char *uname; 1756 int images_noffset; 1757 int confs_noffset; 1758 int noffset; 1759 int ndepth; 1760 int count = 0; 1761 int ret; 1762 const char *p; 1763 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1764 time_t timestamp; 1765 #endif 1766 1767 #ifdef USE_HOSTCC 1768 p = ""; 1769 #else 1770 p = " "; 1771 #endif 1772 1773 /* Root node properties */ 1774 ret = fit_get_desc (fit, 0, &desc); 1775 printf ("%sFIT description: ", p); 1776 if (ret) 1777 printf ("unavailable\n"); 1778 else 1779 printf ("%s\n", desc); 1780 1781 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1782 ret = fit_get_timestamp (fit, 0, ×tamp); 1783 printf ("%sCreated: ", p); 1784 if (ret) 1785 printf ("unavailable\n"); 1786 else 1787 genimg_print_time (timestamp); 1788 #endif 1789 1790 /* Find images parent node offset */ 1791 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1792 if (images_noffset < 0) { 1793 printf ("Can't find images parent node '%s' (%s)\n", 1794 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1795 return; 1796 } 1797 1798 /* Process its subnodes, print out component images details */ 1799 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1800 (noffset >= 0) && (ndepth > 0); 1801 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1802 if (ndepth == 1) { 1803 /* 1804 * Direct child node of the images parent node, 1805 * i.e. component image node. 1806 */ 1807 printf ("%s Image %u (%s)\n", p, count++, 1808 fit_get_name(fit, noffset, NULL)); 1809 1810 fit_image_print (fit, noffset, p); 1811 } 1812 } 1813 1814 /* Find configurations parent node offset */ 1815 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 1816 if (confs_noffset < 0) { 1817 debug ("Can't get configurations parent node '%s' (%s)\n", 1818 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 1819 return; 1820 } 1821 1822 /* get default configuration unit name from default property */ 1823 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); 1824 if (uname) 1825 printf ("%s Default Configuration: '%s'\n", p, uname); 1826 1827 /* Process its subnodes, print out configurations details */ 1828 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); 1829 (noffset >= 0) && (ndepth > 0); 1830 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1831 if (ndepth == 1) { 1832 /* 1833 * Direct child node of the configurations parent node, 1834 * i.e. configuration node. 1835 */ 1836 printf ("%s Configuration %u (%s)\n", p, count++, 1837 fit_get_name(fit, noffset, NULL)); 1838 1839 fit_conf_print (fit, noffset, p); 1840 } 1841 } 1842 } 1843 1844 /** 1845 * fit_image_print - prints out the FIT component image details 1846 * @fit: pointer to the FIT format image header 1847 * @image_noffset: offset of the component image node 1848 * @p: pointer to prefix string 1849 * 1850 * fit_image_print() lists all mandatory properies for the processed component 1851 * image. If present, hash nodes are printed out as well. 1852 * 1853 * returns: 1854 * no returned results 1855 */ 1856 void fit_image_print (const void *fit, int image_noffset, const char *p) 1857 { 1858 char *desc; 1859 uint8_t type, arch, os, comp; 1860 size_t size; 1861 ulong load, entry; 1862 const void *data; 1863 int noffset; 1864 int ndepth; 1865 int ret; 1866 1867 /* Mandatory properties */ 1868 ret = fit_get_desc (fit, image_noffset, &desc); 1869 printf ("%s Description: ", p); 1870 if (ret) 1871 printf ("unavailable\n"); 1872 else 1873 printf ("%s\n", desc); 1874 1875 fit_image_get_type (fit, image_noffset, &type); 1876 printf ("%s Type: %s\n", p, genimg_get_type_name (type)); 1877 1878 fit_image_get_comp (fit, image_noffset, &comp); 1879 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); 1880 1881 ret = fit_image_get_data (fit, image_noffset, &data, &size); 1882 1883 #ifndef USE_HOSTCC 1884 printf ("%s Data Start: ", p); 1885 if (ret) 1886 printf ("unavailable\n"); 1887 else 1888 printf ("0x%08lx\n", (ulong)data); 1889 #endif 1890 1891 printf ("%s Data Size: ", p); 1892 if (ret) 1893 printf ("unavailable\n"); 1894 else 1895 genimg_print_size (size); 1896 1897 /* Remaining, type dependent properties */ 1898 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1899 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 1900 (type == IH_TYPE_FLATDT)) { 1901 fit_image_get_arch (fit, image_noffset, &arch); 1902 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); 1903 } 1904 1905 if (type == IH_TYPE_KERNEL) { 1906 fit_image_get_os (fit, image_noffset, &os); 1907 printf ("%s OS: %s\n", p, genimg_get_os_name (os)); 1908 } 1909 1910 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 1911 ret = fit_image_get_load (fit, image_noffset, &load); 1912 printf ("%s Load Address: ", p); 1913 if (ret) 1914 printf ("unavailable\n"); 1915 else 1916 printf ("0x%08lx\n", load); 1917 1918 fit_image_get_entry (fit, image_noffset, &entry); 1919 printf ("%s Entry Point: ", p); 1920 if (ret) 1921 printf ("unavailable\n"); 1922 else 1923 printf ("0x%08lx\n", entry); 1924 } 1925 1926 /* Process all hash subnodes of the component image node */ 1927 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1928 (noffset >= 0) && (ndepth > 0); 1929 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1930 if (ndepth == 1) { 1931 /* Direct child node of the component image node */ 1932 fit_image_print_hash (fit, noffset, p); 1933 } 1934 } 1935 } 1936 1937 /** 1938 * fit_image_print_hash - prints out the hash node details 1939 * @fit: pointer to the FIT format image header 1940 * @noffset: offset of the hash node 1941 * @p: pointer to prefix string 1942 * 1943 * fit_image_print_hash() lists properies for the processed hash node 1944 * 1945 * returns: 1946 * no returned results 1947 */ 1948 void fit_image_print_hash (const void *fit, int noffset, const char *p) 1949 { 1950 char *algo; 1951 uint8_t *value; 1952 int value_len; 1953 int i, ret; 1954 1955 /* 1956 * Check subnode name, must be equal to "hash". 1957 * Multiple hash nodes require unique unit node 1958 * names, e.g. hash@1, hash@2, etc. 1959 */ 1960 if (strncmp (fit_get_name(fit, noffset, NULL), 1961 FIT_HASH_NODENAME, 1962 strlen(FIT_HASH_NODENAME)) != 0) 1963 return; 1964 1965 debug ("%s Hash node: '%s'\n", p, 1966 fit_get_name (fit, noffset, NULL)); 1967 1968 printf ("%s Hash algo: ", p); 1969 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1970 printf ("invalid/unsupported\n"); 1971 return; 1972 } 1973 printf ("%s\n", algo); 1974 1975 ret = fit_image_hash_get_value (fit, noffset, &value, 1976 &value_len); 1977 printf ("%s Hash value: ", p); 1978 if (ret) { 1979 printf ("unavailable\n"); 1980 } else { 1981 for (i = 0; i < value_len; i++) 1982 printf ("%02x", value[i]); 1983 printf ("\n"); 1984 } 1985 1986 debug ("%s Hash len: %d\n", p, value_len); 1987 } 1988 1989 /** 1990 * fit_get_desc - get node description property 1991 * @fit: pointer to the FIT format image header 1992 * @noffset: node offset 1993 * @desc: double pointer to the char, will hold pointer to the descrption 1994 * 1995 * fit_get_desc() reads description property from a given node, if 1996 * description is found pointer to it is returened in third call argument. 1997 * 1998 * returns: 1999 * 0, on success 2000 * -1, on failure 2001 */ 2002 int fit_get_desc (const void *fit, int noffset, char **desc) 2003 { 2004 int len; 2005 2006 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); 2007 if (*desc == NULL) { 2008 fit_get_debug (fit, noffset, FIT_DESC_PROP, len); 2009 return -1; 2010 } 2011 2012 return 0; 2013 } 2014 2015 /** 2016 * fit_get_timestamp - get node timestamp property 2017 * @fit: pointer to the FIT format image header 2018 * @noffset: node offset 2019 * @timestamp: pointer to the time_t, will hold read timestamp 2020 * 2021 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 2022 * is found and has a correct size its value is retured in third call 2023 * argument. 2024 * 2025 * returns: 2026 * 0, on success 2027 * -1, on property read failure 2028 * -2, on wrong timestamp size 2029 */ 2030 int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) 2031 { 2032 int len; 2033 const void *data; 2034 2035 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); 2036 if (data == NULL) { 2037 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); 2038 return -1; 2039 } 2040 if (len != sizeof (uint32_t)) { 2041 debug ("FIT timestamp with incorrect size of (%u)\n", len); 2042 return -2; 2043 } 2044 2045 *timestamp = uimage_to_cpu (*((uint32_t *)data)); 2046 return 0; 2047 } 2048 2049 /** 2050 * fit_image_get_node - get node offset for component image of a given unit name 2051 * @fit: pointer to the FIT format image header 2052 * @image_uname: component image node unit name 2053 * 2054 * fit_image_get_node() finds a component image (withing the '/images' 2055 * node) of a provided unit name. If image is found its node offset is 2056 * returned to the caller. 2057 * 2058 * returns: 2059 * image node offset when found (>=0) 2060 * negative number on failure (FDT_ERR_* code) 2061 */ 2062 int fit_image_get_node (const void *fit, const char *image_uname) 2063 { 2064 int noffset, images_noffset; 2065 2066 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2067 if (images_noffset < 0) { 2068 debug ("Can't find images parent node '%s' (%s)\n", 2069 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2070 return images_noffset; 2071 } 2072 2073 noffset = fdt_subnode_offset (fit, images_noffset, image_uname); 2074 if (noffset < 0) { 2075 debug ("Can't get node offset for image unit name: '%s' (%s)\n", 2076 image_uname, fdt_strerror (noffset)); 2077 } 2078 2079 return noffset; 2080 } 2081 2082 /** 2083 * fit_image_get_os - get os id for a given component image node 2084 * @fit: pointer to the FIT format image header 2085 * @noffset: component image node offset 2086 * @os: pointer to the uint8_t, will hold os numeric id 2087 * 2088 * fit_image_get_os() finds os property in a given component image node. 2089 * If the property is found, its (string) value is translated to the numeric 2090 * id which is returned to the caller. 2091 * 2092 * returns: 2093 * 0, on success 2094 * -1, on failure 2095 */ 2096 int fit_image_get_os (const void *fit, int noffset, uint8_t *os) 2097 { 2098 int len; 2099 const void *data; 2100 2101 /* Get OS name from property data */ 2102 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); 2103 if (data == NULL) { 2104 fit_get_debug (fit, noffset, FIT_OS_PROP, len); 2105 *os = -1; 2106 return -1; 2107 } 2108 2109 /* Translate OS name to id */ 2110 *os = genimg_get_os_id (data); 2111 return 0; 2112 } 2113 2114 /** 2115 * fit_image_get_arch - get arch id for a given component image node 2116 * @fit: pointer to the FIT format image header 2117 * @noffset: component image node offset 2118 * @arch: pointer to the uint8_t, will hold arch numeric id 2119 * 2120 * fit_image_get_arch() finds arch property in a given component image node. 2121 * If the property is found, its (string) value is translated to the numeric 2122 * id which is returned to the caller. 2123 * 2124 * returns: 2125 * 0, on success 2126 * -1, on failure 2127 */ 2128 int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) 2129 { 2130 int len; 2131 const void *data; 2132 2133 /* Get architecture name from property data */ 2134 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); 2135 if (data == NULL) { 2136 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); 2137 *arch = -1; 2138 return -1; 2139 } 2140 2141 /* Translate architecture name to id */ 2142 *arch = genimg_get_arch_id (data); 2143 return 0; 2144 } 2145 2146 /** 2147 * fit_image_get_type - get type id for a given component image node 2148 * @fit: pointer to the FIT format image header 2149 * @noffset: component image node offset 2150 * @type: pointer to the uint8_t, will hold type numeric id 2151 * 2152 * fit_image_get_type() finds type property in a given component image node. 2153 * If the property is found, its (string) value is translated to the numeric 2154 * id which is returned to the caller. 2155 * 2156 * returns: 2157 * 0, on success 2158 * -1, on failure 2159 */ 2160 int fit_image_get_type (const void *fit, int noffset, uint8_t *type) 2161 { 2162 int len; 2163 const void *data; 2164 2165 /* Get image type name from property data */ 2166 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); 2167 if (data == NULL) { 2168 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); 2169 *type = -1; 2170 return -1; 2171 } 2172 2173 /* Translate image type name to id */ 2174 *type = genimg_get_type_id (data); 2175 return 0; 2176 } 2177 2178 /** 2179 * fit_image_get_comp - get comp id for a given component image node 2180 * @fit: pointer to the FIT format image header 2181 * @noffset: component image node offset 2182 * @comp: pointer to the uint8_t, will hold comp numeric id 2183 * 2184 * fit_image_get_comp() finds comp property in a given component image node. 2185 * If the property is found, its (string) value is translated to the numeric 2186 * id which is returned to the caller. 2187 * 2188 * returns: 2189 * 0, on success 2190 * -1, on failure 2191 */ 2192 int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) 2193 { 2194 int len; 2195 const void *data; 2196 2197 /* Get compression name from property data */ 2198 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); 2199 if (data == NULL) { 2200 fit_get_debug (fit, noffset, FIT_COMP_PROP, len); 2201 *comp = -1; 2202 return -1; 2203 } 2204 2205 /* Translate compression name to id */ 2206 *comp = genimg_get_comp_id (data); 2207 return 0; 2208 } 2209 2210 /** 2211 * fit_image_get_load - get load address property for a given component image node 2212 * @fit: pointer to the FIT format image header 2213 * @noffset: component image node offset 2214 * @load: pointer to the uint32_t, will hold load address 2215 * 2216 * fit_image_get_load() finds load address property in a given component image node. 2217 * If the property is found, its value is returned to the caller. 2218 * 2219 * returns: 2220 * 0, on success 2221 * -1, on failure 2222 */ 2223 int fit_image_get_load (const void *fit, int noffset, ulong *load) 2224 { 2225 int len; 2226 const uint32_t *data; 2227 2228 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); 2229 if (data == NULL) { 2230 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); 2231 return -1; 2232 } 2233 2234 *load = uimage_to_cpu (*data); 2235 return 0; 2236 } 2237 2238 /** 2239 * fit_image_get_entry - get entry point address property for a given component image node 2240 * @fit: pointer to the FIT format image header 2241 * @noffset: component image node offset 2242 * @entry: pointer to the uint32_t, will hold entry point address 2243 * 2244 * fit_image_get_entry() finds entry point address property in a given component image node. 2245 * If the property is found, its value is returned to the caller. 2246 * 2247 * returns: 2248 * 0, on success 2249 * -1, on failure 2250 */ 2251 int fit_image_get_entry (const void *fit, int noffset, ulong *entry) 2252 { 2253 int len; 2254 const uint32_t *data; 2255 2256 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); 2257 if (data == NULL) { 2258 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); 2259 return -1; 2260 } 2261 2262 *entry = uimage_to_cpu (*data); 2263 return 0; 2264 } 2265 2266 /** 2267 * fit_image_get_data - get data property and its size for a given component image node 2268 * @fit: pointer to the FIT format image header 2269 * @noffset: component image node offset 2270 * @data: double pointer to void, will hold data property's data address 2271 * @size: pointer to size_t, will hold data property's data size 2272 * 2273 * fit_image_get_data() finds data property in a given component image node. 2274 * If the property is found its data start address and size are returned to 2275 * the caller. 2276 * 2277 * returns: 2278 * 0, on success 2279 * -1, on failure 2280 */ 2281 int fit_image_get_data (const void *fit, int noffset, 2282 const void **data, size_t *size) 2283 { 2284 int len; 2285 2286 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); 2287 if (*data == NULL) { 2288 fit_get_debug (fit, noffset, FIT_DATA_PROP, len); 2289 *size = 0; 2290 return -1; 2291 } 2292 2293 *size = len; 2294 return 0; 2295 } 2296 2297 /** 2298 * fit_image_hash_get_algo - get hash algorithm name 2299 * @fit: pointer to the FIT format image header 2300 * @noffset: hash node offset 2301 * @algo: double pointer to char, will hold pointer to the algorithm name 2302 * 2303 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 2304 * If the property is found its data start address is returned to the caller. 2305 * 2306 * returns: 2307 * 0, on success 2308 * -1, on failure 2309 */ 2310 int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) 2311 { 2312 int len; 2313 2314 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); 2315 if (*algo == NULL) { 2316 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); 2317 return -1; 2318 } 2319 2320 return 0; 2321 } 2322 2323 /** 2324 * fit_image_hash_get_value - get hash value and length 2325 * @fit: pointer to the FIT format image header 2326 * @noffset: hash node offset 2327 * @value: double pointer to uint8_t, will hold address of a hash value data 2328 * @value_len: pointer to an int, will hold hash data length 2329 * 2330 * fit_image_hash_get_value() finds hash value property in a given hash node. 2331 * If the property is found its data start address and size are returned to 2332 * the caller. 2333 * 2334 * returns: 2335 * 0, on success 2336 * -1, on failure 2337 */ 2338 int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, 2339 int *value_len) 2340 { 2341 int len; 2342 2343 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); 2344 if (*value == NULL) { 2345 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); 2346 *value_len = 0; 2347 return -1; 2348 } 2349 2350 *value_len = len; 2351 return 0; 2352 } 2353 2354 /** 2355 * fit_set_timestamp - set node timestamp property 2356 * @fit: pointer to the FIT format image header 2357 * @noffset: node offset 2358 * @timestamp: timestamp value to be set 2359 * 2360 * fit_set_timestamp() attempts to set timestamp property in the requested 2361 * node and returns operation status to the caller. 2362 * 2363 * returns: 2364 * 0, on success 2365 * -1, on property read failure 2366 */ 2367 int fit_set_timestamp (void *fit, int noffset, time_t timestamp) 2368 { 2369 uint32_t t; 2370 int ret; 2371 2372 t = cpu_to_uimage (timestamp); 2373 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, 2374 sizeof (uint32_t)); 2375 if (ret) { 2376 printf ("Can't set '%s' property for '%s' node (%s)\n", 2377 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), 2378 fdt_strerror (ret)); 2379 return -1; 2380 } 2381 2382 return 0; 2383 } 2384 2385 /** 2386 * calculate_hash - calculate and return hash for provided input data 2387 * @data: pointer to the input data 2388 * @data_len: data length 2389 * @algo: requested hash algorithm 2390 * @value: pointer to the char, will hold hash value data (caller must 2391 * allocate enough free space) 2392 * value_len: length of the calculated hash 2393 * 2394 * calculate_hash() computes input data hash according to the requested algorithm. 2395 * Resulting hash value is placed in caller provided 'value' buffer, length 2396 * of the calculated hash is returned via value_len pointer argument. 2397 * 2398 * returns: 2399 * 0, on success 2400 * -1, when algo is unsupported 2401 */ 2402 static int calculate_hash (const void *data, int data_len, const char *algo, 2403 uint8_t *value, int *value_len) 2404 { 2405 if (strcmp (algo, "crc32") == 0 ) { 2406 *((uint32_t *)value) = crc32_wd (0, data, data_len, 2407 CHUNKSZ_CRC32); 2408 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); 2409 *value_len = 4; 2410 } else if (strcmp (algo, "sha1") == 0 ) { 2411 sha1_csum_wd ((unsigned char *) data, data_len, 2412 (unsigned char *) value, CHUNKSZ_SHA1); 2413 *value_len = 20; 2414 } else if (strcmp (algo, "md5") == 0 ) { 2415 md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5); 2416 *value_len = 16; 2417 } else { 2418 debug ("Unsupported hash alogrithm\n"); 2419 return -1; 2420 } 2421 return 0; 2422 } 2423 2424 #ifdef USE_HOSTCC 2425 /** 2426 * fit_set_hashes - process FIT component image nodes and calculate hashes 2427 * @fit: pointer to the FIT format image header 2428 * 2429 * fit_set_hashes() adds hash values for all component images in the FIT blob. 2430 * Hashes are calculated for all component images which have hash subnodes 2431 * with algorithm property set to one of the supported hash algorithms. 2432 * 2433 * returns 2434 * 0, on success 2435 * libfdt error code, on failure 2436 */ 2437 int fit_set_hashes (void *fit) 2438 { 2439 int images_noffset; 2440 int noffset; 2441 int ndepth; 2442 int ret; 2443 2444 /* Find images parent node offset */ 2445 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2446 if (images_noffset < 0) { 2447 printf ("Can't find images parent node '%s' (%s)\n", 2448 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2449 return images_noffset; 2450 } 2451 2452 /* Process its subnodes, print out component images details */ 2453 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 2454 (noffset >= 0) && (ndepth > 0); 2455 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2456 if (ndepth == 1) { 2457 /* 2458 * Direct child node of the images parent node, 2459 * i.e. component image node. 2460 */ 2461 ret = fit_image_set_hashes (fit, noffset); 2462 if (ret) 2463 return ret; 2464 } 2465 } 2466 2467 return 0; 2468 } 2469 2470 /** 2471 * fit_image_set_hashes - calculate/set hashes for given component image node 2472 * @fit: pointer to the FIT format image header 2473 * @image_noffset: requested component image node 2474 * 2475 * fit_image_set_hashes() adds hash values for an component image node. All 2476 * existing hash subnodes are checked, if algorithm property is set to one of 2477 * the supported hash algorithms, hash value is computed and corresponding 2478 * hash node property is set, for example: 2479 * 2480 * Input component image node structure: 2481 * 2482 * o image@1 (at image_noffset) 2483 * | - data = [binary data] 2484 * o hash@1 2485 * |- algo = "sha1" 2486 * 2487 * Output component image node structure: 2488 * 2489 * o image@1 (at image_noffset) 2490 * | - data = [binary data] 2491 * o hash@1 2492 * |- algo = "sha1" 2493 * |- value = sha1(data) 2494 * 2495 * returns: 2496 * 0 on sucess 2497 * <0 on failure 2498 */ 2499 int fit_image_set_hashes (void *fit, int image_noffset) 2500 { 2501 const void *data; 2502 size_t size; 2503 char *algo; 2504 uint8_t value[FIT_MAX_HASH_LEN]; 2505 int value_len; 2506 int noffset; 2507 int ndepth; 2508 2509 /* Get image data and data length */ 2510 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2511 printf ("Can't get image data/size\n"); 2512 return -1; 2513 } 2514 2515 /* Process all hash subnodes of the component image node */ 2516 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2517 (noffset >= 0) && (ndepth > 0); 2518 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2519 if (ndepth == 1) { 2520 /* Direct child node of the component image node */ 2521 2522 /* 2523 * Check subnode name, must be equal to "hash". 2524 * Multiple hash nodes require unique unit node 2525 * names, e.g. hash@1, hash@2, etc. 2526 */ 2527 if (strncmp (fit_get_name(fit, noffset, NULL), 2528 FIT_HASH_NODENAME, 2529 strlen(FIT_HASH_NODENAME)) != 0) { 2530 /* Not a hash subnode, skip it */ 2531 continue; 2532 } 2533 2534 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2535 printf ("Can't get hash algo property for " 2536 "'%s' hash node in '%s' image node\n", 2537 fit_get_name (fit, noffset, NULL), 2538 fit_get_name (fit, image_noffset, NULL)); 2539 return -1; 2540 } 2541 2542 if (calculate_hash (data, size, algo, value, &value_len)) { 2543 printf ("Unsupported hash algorithm (%s) for " 2544 "'%s' hash node in '%s' image node\n", 2545 algo, fit_get_name (fit, noffset, NULL), 2546 fit_get_name (fit, image_noffset, NULL)); 2547 return -1; 2548 } 2549 2550 if (fit_image_hash_set_value (fit, noffset, value, 2551 value_len)) { 2552 printf ("Can't set hash value for " 2553 "'%s' hash node in '%s' image node\n", 2554 fit_get_name (fit, noffset, NULL), 2555 fit_get_name (fit, image_noffset, NULL)); 2556 return -1; 2557 } 2558 } 2559 } 2560 2561 return 0; 2562 } 2563 2564 /** 2565 * fit_image_hash_set_value - set hash value in requested has node 2566 * @fit: pointer to the FIT format image header 2567 * @noffset: hash node offset 2568 * @value: hash value to be set 2569 * @value_len: hash value length 2570 * 2571 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2572 * given and returns operation status to the caller. 2573 * 2574 * returns 2575 * 0, on success 2576 * -1, on failure 2577 */ 2578 int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, 2579 int value_len) 2580 { 2581 int ret; 2582 2583 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); 2584 if (ret) { 2585 printf ("Can't set hash '%s' property for '%s' node (%s)\n", 2586 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), 2587 fdt_strerror (ret)); 2588 return -1; 2589 } 2590 2591 return 0; 2592 } 2593 #endif /* USE_HOSTCC */ 2594 2595 /** 2596 * fit_image_check_hashes - verify data intergity 2597 * @fit: pointer to the FIT format image header 2598 * @image_noffset: component image node offset 2599 * 2600 * fit_image_check_hashes() goes over component image hash nodes, 2601 * re-calculates each data hash and compares with the value stored in hash 2602 * node. 2603 * 2604 * returns: 2605 * 1, if all hashes are valid 2606 * 0, otherwise (or on error) 2607 */ 2608 int fit_image_check_hashes (const void *fit, int image_noffset) 2609 { 2610 const void *data; 2611 size_t size; 2612 char *algo; 2613 uint8_t *fit_value; 2614 int fit_value_len; 2615 uint8_t value[FIT_MAX_HASH_LEN]; 2616 int value_len; 2617 int noffset; 2618 int ndepth; 2619 char *err_msg = ""; 2620 2621 /* Get image data and data length */ 2622 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2623 printf ("Can't get image data/size\n"); 2624 return 0; 2625 } 2626 2627 /* Process all hash subnodes of the component image node */ 2628 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2629 (noffset >= 0) && (ndepth > 0); 2630 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2631 if (ndepth == 1) { 2632 /* Direct child node of the component image node */ 2633 2634 /* 2635 * Check subnode name, must be equal to "hash". 2636 * Multiple hash nodes require unique unit node 2637 * names, e.g. hash@1, hash@2, etc. 2638 */ 2639 if (strncmp (fit_get_name(fit, noffset, NULL), 2640 FIT_HASH_NODENAME, 2641 strlen(FIT_HASH_NODENAME)) != 0) 2642 continue; 2643 2644 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2645 err_msg = "Can't get hash algo property"; 2646 goto error; 2647 } 2648 printf ("%s", algo); 2649 2650 if (fit_image_hash_get_value (fit, noffset, &fit_value, 2651 &fit_value_len)) { 2652 err_msg = "Can't get hash value property"; 2653 goto error; 2654 } 2655 2656 if (calculate_hash (data, size, algo, value, &value_len)) { 2657 err_msg = "Unsupported hash algorithm"; 2658 goto error; 2659 } 2660 2661 if (value_len != fit_value_len) { 2662 err_msg = "Bad hash value len"; 2663 goto error; 2664 } else if (memcmp (value, fit_value, value_len) != 0) { 2665 err_msg = "Bad hash value"; 2666 goto error; 2667 } 2668 printf ("+ "); 2669 } 2670 } 2671 2672 return 1; 2673 2674 error: 2675 printf ("%s for '%s' hash node in '%s' image node\n", 2676 err_msg, fit_get_name (fit, noffset, NULL), 2677 fit_get_name (fit, image_noffset, NULL)); 2678 return 0; 2679 } 2680 2681 /** 2682 * fit_image_check_os - check whether image node is of a given os type 2683 * @fit: pointer to the FIT format image header 2684 * @noffset: component image node offset 2685 * @os: requested image os 2686 * 2687 * fit_image_check_os() reads image os property and compares its numeric 2688 * id with the requested os. Comparison result is returned to the caller. 2689 * 2690 * returns: 2691 * 1 if image is of given os type 2692 * 0 otherwise (or on error) 2693 */ 2694 int fit_image_check_os (const void *fit, int noffset, uint8_t os) 2695 { 2696 uint8_t image_os; 2697 2698 if (fit_image_get_os (fit, noffset, &image_os)) 2699 return 0; 2700 return (os == image_os); 2701 } 2702 2703 /** 2704 * fit_image_check_arch - check whether image node is of a given arch 2705 * @fit: pointer to the FIT format image header 2706 * @noffset: component image node offset 2707 * @arch: requested imagearch 2708 * 2709 * fit_image_check_arch() reads image arch property and compares its numeric 2710 * id with the requested arch. Comparison result is returned to the caller. 2711 * 2712 * returns: 2713 * 1 if image is of given arch 2714 * 0 otherwise (or on error) 2715 */ 2716 int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) 2717 { 2718 uint8_t image_arch; 2719 2720 if (fit_image_get_arch (fit, noffset, &image_arch)) 2721 return 0; 2722 return (arch == image_arch); 2723 } 2724 2725 /** 2726 * fit_image_check_type - check whether image node is of a given type 2727 * @fit: pointer to the FIT format image header 2728 * @noffset: component image node offset 2729 * @type: requested image type 2730 * 2731 * fit_image_check_type() reads image type property and compares its numeric 2732 * id with the requested type. Comparison result is returned to the caller. 2733 * 2734 * returns: 2735 * 1 if image is of given type 2736 * 0 otherwise (or on error) 2737 */ 2738 int fit_image_check_type (const void *fit, int noffset, uint8_t type) 2739 { 2740 uint8_t image_type; 2741 2742 if (fit_image_get_type (fit, noffset, &image_type)) 2743 return 0; 2744 return (type == image_type); 2745 } 2746 2747 /** 2748 * fit_image_check_comp - check whether image node uses given compression 2749 * @fit: pointer to the FIT format image header 2750 * @noffset: component image node offset 2751 * @comp: requested image compression type 2752 * 2753 * fit_image_check_comp() reads image compression property and compares its 2754 * numeric id with the requested compression type. Comparison result is 2755 * returned to the caller. 2756 * 2757 * returns: 2758 * 1 if image uses requested compression 2759 * 0 otherwise (or on error) 2760 */ 2761 int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) 2762 { 2763 uint8_t image_comp; 2764 2765 if (fit_image_get_comp (fit, noffset, &image_comp)) 2766 return 0; 2767 return (comp == image_comp); 2768 } 2769 2770 /** 2771 * fit_check_format - sanity check FIT image format 2772 * @fit: pointer to the FIT format image header 2773 * 2774 * fit_check_format() runs a basic sanity FIT image verification. 2775 * Routine checks for mandatory properties, nodes, etc. 2776 * 2777 * returns: 2778 * 1, on success 2779 * 0, on failure 2780 */ 2781 int fit_check_format (const void *fit) 2782 { 2783 /* mandatory / node 'description' property */ 2784 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2785 debug ("Wrong FIT format: no description\n"); 2786 return 0; 2787 } 2788 2789 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2790 /* mandatory / node 'timestamp' property */ 2791 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2792 debug ("Wrong FIT format: no description\n"); 2793 return 0; 2794 } 2795 #endif 2796 2797 /* mandatory subimages parent '/images' node */ 2798 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { 2799 debug ("Wrong FIT format: no images parent node\n"); 2800 return 0; 2801 } 2802 2803 return 1; 2804 } 2805 2806 /** 2807 * fit_conf_get_node - get node offset for configuration of a given unit name 2808 * @fit: pointer to the FIT format image header 2809 * @conf_uname: configuration node unit name 2810 * 2811 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2812 * parant node) of a provided unit name. If configuration is found its node offset 2813 * is returned to the caller. 2814 * 2815 * When NULL is provided in second argument fit_conf_get_node() will search 2816 * for a default configuration node instead. Default configuration node unit name 2817 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2818 * 2819 * returns: 2820 * configuration node offset when found (>=0) 2821 * negative number on failure (FDT_ERR_* code) 2822 */ 2823 int fit_conf_get_node (const void *fit, const char *conf_uname) 2824 { 2825 int noffset, confs_noffset; 2826 int len; 2827 2828 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 2829 if (confs_noffset < 0) { 2830 debug ("Can't find configurations parent node '%s' (%s)\n", 2831 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 2832 return confs_noffset; 2833 } 2834 2835 if (conf_uname == NULL) { 2836 /* get configuration unit name from the default property */ 2837 debug ("No configuration specified, trying default...\n"); 2838 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); 2839 if (conf_uname == NULL) { 2840 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); 2841 return len; 2842 } 2843 debug ("Found default configuration: '%s'\n", conf_uname); 2844 } 2845 2846 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); 2847 if (noffset < 0) { 2848 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", 2849 conf_uname, fdt_strerror (noffset)); 2850 } 2851 2852 return noffset; 2853 } 2854 2855 static int __fit_conf_get_prop_node (const void *fit, int noffset, 2856 const char *prop_name) 2857 { 2858 char *uname; 2859 int len; 2860 2861 /* get kernel image unit name from configuration kernel property */ 2862 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); 2863 if (uname == NULL) 2864 return len; 2865 2866 return fit_image_get_node (fit, uname); 2867 } 2868 2869 /** 2870 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 2871 * a given configuration 2872 * @fit: pointer to the FIT format image header 2873 * @noffset: configuration node offset 2874 * 2875 * fit_conf_get_kernel_node() retrives kernel image node unit name from 2876 * configuration FIT_KERNEL_PROP property and translates it to the node 2877 * offset. 2878 * 2879 * returns: 2880 * image node offset when found (>=0) 2881 * negative number on failure (FDT_ERR_* code) 2882 */ 2883 int fit_conf_get_kernel_node (const void *fit, int noffset) 2884 { 2885 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); 2886 } 2887 2888 /** 2889 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 2890 * a given configuration 2891 * @fit: pointer to the FIT format image header 2892 * @noffset: configuration node offset 2893 * 2894 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 2895 * configuration FIT_KERNEL_PROP property and translates it to the node 2896 * offset. 2897 * 2898 * returns: 2899 * image node offset when found (>=0) 2900 * negative number on failure (FDT_ERR_* code) 2901 */ 2902 int fit_conf_get_ramdisk_node (const void *fit, int noffset) 2903 { 2904 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); 2905 } 2906 2907 /** 2908 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 2909 * a given configuration 2910 * @fit: pointer to the FIT format image header 2911 * @noffset: configuration node offset 2912 * 2913 * fit_conf_get_fdt_node() retrives fdt image node unit name from 2914 * configuration FIT_KERNEL_PROP property and translates it to the node 2915 * offset. 2916 * 2917 * returns: 2918 * image node offset when found (>=0) 2919 * negative number on failure (FDT_ERR_* code) 2920 */ 2921 int fit_conf_get_fdt_node (const void *fit, int noffset) 2922 { 2923 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); 2924 } 2925 2926 /** 2927 * fit_conf_print - prints out the FIT configuration details 2928 * @fit: pointer to the FIT format image header 2929 * @noffset: offset of the configuration node 2930 * @p: pointer to prefix string 2931 * 2932 * fit_conf_print() lists all mandatory properies for the processed 2933 * configuration node. 2934 * 2935 * returns: 2936 * no returned results 2937 */ 2938 void fit_conf_print (const void *fit, int noffset, const char *p) 2939 { 2940 char *desc; 2941 char *uname; 2942 int ret; 2943 2944 /* Mandatory properties */ 2945 ret = fit_get_desc (fit, noffset, &desc); 2946 printf ("%s Description: ", p); 2947 if (ret) 2948 printf ("unavailable\n"); 2949 else 2950 printf ("%s\n", desc); 2951 2952 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); 2953 printf ("%s Kernel: ", p); 2954 if (uname == NULL) 2955 printf ("unavailable\n"); 2956 else 2957 printf ("%s\n", uname); 2958 2959 /* Optional properties */ 2960 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); 2961 if (uname) 2962 printf ("%s Init Ramdisk: %s\n", p, uname); 2963 2964 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); 2965 if (uname) 2966 printf ("%s FDT: %s\n", p, uname); 2967 } 2968 2969 /** 2970 * fit_check_ramdisk - verify FIT format ramdisk subimage 2971 * @fit_hdr: pointer to the FIT ramdisk header 2972 * @rd_noffset: ramdisk subimage node offset within FIT image 2973 * @arch: requested ramdisk image architecture type 2974 * @verify: data CRC verification flag 2975 * 2976 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 2977 * specified FIT image. 2978 * 2979 * returns: 2980 * 1, on success 2981 * 0, on failure 2982 */ 2983 #ifndef USE_HOSTCC 2984 static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) 2985 { 2986 fit_image_print (fit, rd_noffset, " "); 2987 2988 if (verify) { 2989 puts (" Verifying Hash Integrity ... "); 2990 if (!fit_image_check_hashes (fit, rd_noffset)) { 2991 puts ("Bad Data Hash\n"); 2992 show_boot_progress (-125); 2993 return 0; 2994 } 2995 puts ("OK\n"); 2996 } 2997 2998 show_boot_progress (126); 2999 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || 3000 !fit_image_check_arch (fit, rd_noffset, arch) || 3001 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { 3002 printf ("No Linux %s Ramdisk Image\n", 3003 genimg_get_arch_name(arch)); 3004 show_boot_progress (-126); 3005 return 0; 3006 } 3007 3008 show_boot_progress (127); 3009 return 1; 3010 } 3011 #endif /* USE_HOSTCC */ 3012 #endif /* CONFIG_FIT */ 3013