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 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC) 120 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", }, 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 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 156 { -1, "", "", }, 157 }; 158 159 uint32_t crc32 (uint32_t, const unsigned char *, uint); 160 uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint); 161 static void genimg_print_size (uint32_t size); 162 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 163 static void genimg_print_time (time_t timestamp); 164 #endif 165 166 /*****************************************************************************/ 167 /* Legacy format routines */ 168 /*****************************************************************************/ 169 int image_check_hcrc (image_header_t *hdr) 170 { 171 ulong hcrc; 172 ulong len = image_get_header_size (); 173 image_header_t header; 174 175 /* Copy header so we can blank CRC field for re-calculation */ 176 memmove (&header, (char *)hdr, image_get_header_size ()); 177 image_set_hcrc (&header, 0); 178 179 hcrc = crc32 (0, (unsigned char *)&header, len); 180 181 return (hcrc == image_get_hcrc (hdr)); 182 } 183 184 int image_check_dcrc (image_header_t *hdr) 185 { 186 ulong data = image_get_data (hdr); 187 ulong len = image_get_data_size (hdr); 188 ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32); 189 190 return (dcrc == image_get_dcrc (hdr)); 191 } 192 193 /** 194 * image_multi_count - get component (sub-image) count 195 * @hdr: pointer to the header of the multi component image 196 * 197 * image_multi_count() returns number of components in a multi 198 * component image. 199 * 200 * Note: no checking of the image type is done, caller must pass 201 * a valid multi component image. 202 * 203 * returns: 204 * number of components 205 */ 206 ulong image_multi_count (image_header_t *hdr) 207 { 208 ulong i, count = 0; 209 uint32_t *size; 210 211 /* get start of the image payload, which in case of multi 212 * component images that points to a table of component sizes */ 213 size = (uint32_t *)image_get_data (hdr); 214 215 /* count non empty slots */ 216 for (i = 0; size[i]; ++i) 217 count++; 218 219 return count; 220 } 221 222 /** 223 * image_multi_getimg - get component data address and size 224 * @hdr: pointer to the header of the multi component image 225 * @idx: index of the requested component 226 * @data: pointer to a ulong variable, will hold component data address 227 * @len: pointer to a ulong variable, will hold component size 228 * 229 * image_multi_getimg() returns size and data address for the requested 230 * component in a multi component image. 231 * 232 * Note: no checking of the image type is done, caller must pass 233 * a valid multi component image. 234 * 235 * returns: 236 * data address and size of the component, if idx is valid 237 * 0 in data and len, if idx is out of range 238 */ 239 void image_multi_getimg (image_header_t *hdr, ulong idx, 240 ulong *data, ulong *len) 241 { 242 int i; 243 uint32_t *size; 244 ulong offset, count, img_data; 245 246 /* get number of component */ 247 count = image_multi_count (hdr); 248 249 /* get start of the image payload, which in case of multi 250 * component images that points to a table of component sizes */ 251 size = (uint32_t *)image_get_data (hdr); 252 253 /* get address of the proper component data start, which means 254 * skipping sizes table (add 1 for last, null entry) */ 255 img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t); 256 257 if (idx < count) { 258 *len = uimage_to_cpu (size[idx]); 259 offset = 0; 260 261 /* go over all indices preceding requested component idx */ 262 for (i = 0; i < idx; i++) { 263 /* add up i-th component size, rounding up to 4 bytes */ 264 offset += (uimage_to_cpu (size[i]) + 3) & ~3 ; 265 } 266 267 /* calculate idx-th component data address */ 268 *data = img_data + offset; 269 } else { 270 *len = 0; 271 *data = 0; 272 } 273 } 274 275 static void image_print_type (image_header_t *hdr) 276 { 277 const char *os, *arch, *type, *comp; 278 279 os = genimg_get_os_name (image_get_os (hdr)); 280 arch = genimg_get_arch_name (image_get_arch (hdr)); 281 type = genimg_get_type_name (image_get_type (hdr)); 282 comp = genimg_get_comp_name (image_get_comp (hdr)); 283 284 printf ("%s %s %s (%s)\n", arch, os, type, comp); 285 } 286 287 /** 288 * image_print_contents - prints out the contents of the legacy format image 289 * @hdr: pointer to the legacy format image header 290 * @p: pointer to prefix string 291 * 292 * image_print_contents() formats a multi line legacy image contents description. 293 * The routine prints out all header fields followed by the size/offset data 294 * for MULTI/SCRIPT images. 295 * 296 * returns: 297 * no returned results 298 */ 299 void image_print_contents (image_header_t *hdr) 300 { 301 const char *p; 302 303 #ifdef USE_HOSTCC 304 p = ""; 305 #else 306 p = " "; 307 #endif 308 309 printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); 310 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 311 printf ("%sCreated: ", p); 312 genimg_print_time ((time_t)image_get_time (hdr)); 313 #endif 314 printf ("%sImage Type: ", p); 315 image_print_type (hdr); 316 printf ("%sData Size: ", p); 317 genimg_print_size (image_get_data_size (hdr)); 318 printf ("%sLoad Address: %08x\n", p, image_get_load (hdr)); 319 printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr)); 320 321 if (image_check_type (hdr, IH_TYPE_MULTI) || 322 image_check_type (hdr, IH_TYPE_SCRIPT)) { 323 int i; 324 ulong data, len; 325 ulong count = image_multi_count (hdr); 326 327 printf ("%sContents:\n", p); 328 for (i = 0; i < count; i++) { 329 image_multi_getimg (hdr, i, &data, &len); 330 331 printf ("%s Image %d: ", p, i); 332 genimg_print_size (len); 333 334 if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { 335 /* 336 * the user may need to know offsets 337 * if planning to do something with 338 * multiple files 339 */ 340 printf ("%s Offset = 0x%08lx\n", p, data); 341 } 342 } 343 } 344 } 345 346 347 #ifndef USE_HOSTCC 348 /** 349 * image_get_ramdisk - get and verify ramdisk image 350 * @rd_addr: ramdisk image start address 351 * @arch: expected ramdisk architecture 352 * @verify: checksum verification flag 353 * 354 * image_get_ramdisk() returns a pointer to the verified ramdisk image 355 * header. Routine receives image start address and expected architecture 356 * flag. Verification done covers data and header integrity and os/type/arch 357 * fields checking. 358 * 359 * If dataflash support is enabled routine checks for dataflash addresses 360 * and handles required dataflash reads. 361 * 362 * returns: 363 * pointer to a ramdisk image header, if image was found and valid 364 * otherwise, return NULL 365 */ 366 static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, 367 int verify) 368 { 369 image_header_t *rd_hdr = (image_header_t *)rd_addr; 370 371 if (!image_check_magic (rd_hdr)) { 372 puts ("Bad Magic Number\n"); 373 show_boot_progress (-10); 374 return NULL; 375 } 376 377 if (!image_check_hcrc (rd_hdr)) { 378 puts ("Bad Header Checksum\n"); 379 show_boot_progress (-11); 380 return NULL; 381 } 382 383 show_boot_progress (10); 384 image_print_contents (rd_hdr); 385 386 if (verify) { 387 puts(" Verifying Checksum ... "); 388 if (!image_check_dcrc (rd_hdr)) { 389 puts ("Bad Data CRC\n"); 390 show_boot_progress (-12); 391 return NULL; 392 } 393 puts("OK\n"); 394 } 395 396 show_boot_progress (11); 397 398 if (!image_check_os (rd_hdr, IH_OS_LINUX) || 399 !image_check_arch (rd_hdr, arch) || 400 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { 401 printf ("No Linux %s Ramdisk Image\n", 402 genimg_get_arch_name(arch)); 403 show_boot_progress (-13); 404 return NULL; 405 } 406 407 return rd_hdr; 408 } 409 #endif /* !USE_HOSTCC */ 410 411 /*****************************************************************************/ 412 /* Shared dual-format routines */ 413 /*****************************************************************************/ 414 #ifndef USE_HOSTCC 415 int getenv_yesno (char *var) 416 { 417 char *s = getenv (var); 418 return (s && (*s == 'n')) ? 0 : 1; 419 } 420 421 ulong getenv_bootm_low(void) 422 { 423 char *s = getenv ("bootm_low"); 424 if (s) { 425 ulong tmp = simple_strtoul (s, NULL, 16); 426 return tmp; 427 } 428 429 #if defined(CONFIG_SYS_SDRAM_BASE) 430 return CONFIG_SYS_SDRAM_BASE; 431 #elif defined(CONFIG_ARM) 432 return gd->bd->bi_dram[0].start; 433 #else 434 return 0; 435 #endif 436 } 437 438 phys_size_t getenv_bootm_size(void) 439 { 440 char *s = getenv ("bootm_size"); 441 if (s) { 442 phys_size_t tmp; 443 #ifdef CONFIG_SYS_64BIT_STRTOUL 444 tmp = (phys_size_t)simple_strtoull (s, NULL, 16); 445 #else 446 tmp = (phys_size_t)simple_strtoul (s, NULL, 16); 447 #endif 448 return tmp; 449 } 450 451 #if defined(CONFIG_ARM) 452 return gd->bd->bi_dram[0].size; 453 #else 454 return gd->bd->bi_memsize; 455 #endif 456 } 457 458 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 459 { 460 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 461 while (len > 0) { 462 size_t tail = (len > chunksz) ? chunksz : len; 463 WATCHDOG_RESET (); 464 memmove (to, from, tail); 465 to += tail; 466 from += tail; 467 len -= tail; 468 } 469 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 470 memmove (to, from, len); 471 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 472 } 473 #endif /* !USE_HOSTCC */ 474 475 static void genimg_print_size (uint32_t size) 476 { 477 #ifndef USE_HOSTCC 478 printf ("%d Bytes = ", size); 479 print_size (size, "\n"); 480 #else 481 printf ("%d Bytes = %.2f kB = %.2f MB\n", 482 size, (double)size / 1.024e3, 483 (double)size / 1.048576e6); 484 #endif 485 } 486 487 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 488 static void genimg_print_time (time_t timestamp) 489 { 490 #ifndef USE_HOSTCC 491 struct rtc_time tm; 492 493 to_tm (timestamp, &tm); 494 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 495 tm.tm_year, tm.tm_mon, tm.tm_mday, 496 tm.tm_hour, tm.tm_min, tm.tm_sec); 497 #else 498 printf ("%s", ctime(×tamp)); 499 #endif 500 } 501 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 502 503 /** 504 * get_table_entry_name - translate entry id to long name 505 * @table: pointer to a translation table for entries of a specific type 506 * @msg: message to be returned when translation fails 507 * @id: entry id to be translated 508 * 509 * get_table_entry_name() will go over translation table trying to find 510 * entry that matches given id. If matching entry is found, its long 511 * name is returned to the caller. 512 * 513 * returns: 514 * long entry name if translation succeeds 515 * msg otherwise 516 */ 517 static char *get_table_entry_name (table_entry_t *table, char *msg, int id) 518 { 519 for (; table->id >= 0; ++table) { 520 if (table->id == id) 521 return (table->lname); 522 } 523 return (msg); 524 } 525 526 const char *genimg_get_os_name (uint8_t os) 527 { 528 return (get_table_entry_name (uimage_os, "Unknown OS", os)); 529 } 530 531 const char *genimg_get_arch_name (uint8_t arch) 532 { 533 return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); 534 } 535 536 const char *genimg_get_type_name (uint8_t type) 537 { 538 return (get_table_entry_name (uimage_type, "Unknown Image", type)); 539 } 540 541 const char *genimg_get_comp_name (uint8_t comp) 542 { 543 return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); 544 } 545 546 /** 547 * get_table_entry_id - translate short entry name to id 548 * @table: pointer to a translation table for entries of a specific type 549 * @table_name: to be used in case of error 550 * @name: entry short name to be translated 551 * 552 * get_table_entry_id() will go over translation table trying to find 553 * entry that matches given short name. If matching entry is found, 554 * its id returned to the caller. 555 * 556 * returns: 557 * entry id if translation succeeds 558 * -1 otherwise 559 */ 560 static int get_table_entry_id (table_entry_t *table, 561 const char *table_name, const char *name) 562 { 563 table_entry_t *t; 564 #ifdef USE_HOSTCC 565 int first = 1; 566 567 for (t = table; t->id >= 0; ++t) { 568 if (t->sname && strcasecmp(t->sname, name) == 0) 569 return (t->id); 570 } 571 572 fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); 573 for (t = table; t->id >= 0; ++t) { 574 if (t->sname == NULL) 575 continue; 576 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); 577 first = 0; 578 } 579 fprintf (stderr, "\n"); 580 #else 581 for (t = table; t->id >= 0; ++t) { 582 if (t->sname && strcmp(t->sname, name) == 0) 583 return (t->id); 584 } 585 debug ("Invalid %s Type: %s\n", table_name, name); 586 #endif /* USE_HOSTCC */ 587 return (-1); 588 } 589 590 int genimg_get_os_id (const char *name) 591 { 592 return (get_table_entry_id (uimage_os, "OS", name)); 593 } 594 595 int genimg_get_arch_id (const char *name) 596 { 597 return (get_table_entry_id (uimage_arch, "CPU", name)); 598 } 599 600 int genimg_get_type_id (const char *name) 601 { 602 return (get_table_entry_id (uimage_type, "Image", name)); 603 } 604 605 int genimg_get_comp_id (const char *name) 606 { 607 return (get_table_entry_id (uimage_comp, "Compression", name)); 608 } 609 610 #ifndef USE_HOSTCC 611 /** 612 * genimg_get_format - get image format type 613 * @img_addr: image start address 614 * 615 * genimg_get_format() checks whether provided address points to a valid 616 * legacy or FIT image. 617 * 618 * New uImage format and FDT blob are based on a libfdt. FDT blob 619 * may be passed directly or embedded in a FIT image. In both situations 620 * genimg_get_format() must be able to dectect libfdt header. 621 * 622 * returns: 623 * image format type or IMAGE_FORMAT_INVALID if no image is present 624 */ 625 int genimg_get_format (void *img_addr) 626 { 627 ulong format = IMAGE_FORMAT_INVALID; 628 image_header_t *hdr; 629 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 630 char *fit_hdr; 631 #endif 632 633 hdr = (image_header_t *)img_addr; 634 if (image_check_magic(hdr)) 635 format = IMAGE_FORMAT_LEGACY; 636 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 637 else { 638 fit_hdr = (char *)img_addr; 639 if (fdt_check_header (fit_hdr) == 0) 640 format = IMAGE_FORMAT_FIT; 641 } 642 #endif 643 644 return format; 645 } 646 647 /** 648 * genimg_get_image - get image from special storage (if necessary) 649 * @img_addr: image start address 650 * 651 * genimg_get_image() checks if provided image start adddress is located 652 * in a dataflash storage. If so, image is moved to a system RAM memory. 653 * 654 * returns: 655 * image start address after possible relocation from special storage 656 */ 657 ulong genimg_get_image (ulong img_addr) 658 { 659 ulong ram_addr = img_addr; 660 661 #ifdef CONFIG_HAS_DATAFLASH 662 ulong h_size, d_size; 663 664 if (addr_dataflash (img_addr)){ 665 /* ger RAM address */ 666 ram_addr = CONFIG_SYS_LOAD_ADDR; 667 668 /* get header size */ 669 h_size = image_get_header_size (); 670 #if defined(CONFIG_FIT) 671 if (sizeof(struct fdt_header) > h_size) 672 h_size = sizeof(struct fdt_header); 673 #endif 674 675 /* read in header */ 676 debug (" Reading image header from dataflash address " 677 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 678 679 read_dataflash (img_addr, h_size, (char *)ram_addr); 680 681 /* get data size */ 682 switch (genimg_get_format ((void *)ram_addr)) { 683 case IMAGE_FORMAT_LEGACY: 684 d_size = image_get_data_size ((image_header_t *)ram_addr); 685 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", 686 ram_addr, d_size); 687 break; 688 #if defined(CONFIG_FIT) 689 case IMAGE_FORMAT_FIT: 690 d_size = fit_get_size ((const void *)ram_addr) - h_size; 691 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", 692 ram_addr, d_size); 693 break; 694 #endif 695 default: 696 printf (" No valid image found at 0x%08lx\n", img_addr); 697 return ram_addr; 698 } 699 700 /* read in image data */ 701 debug (" Reading image remaining data from dataflash address " 702 "%08lx to RAM address %08lx\n", img_addr + h_size, 703 ram_addr + h_size); 704 705 read_dataflash (img_addr + h_size, d_size, 706 (char *)(ram_addr + h_size)); 707 708 } 709 #endif /* CONFIG_HAS_DATAFLASH */ 710 711 return ram_addr; 712 } 713 714 /** 715 * fit_has_config - check if there is a valid FIT configuration 716 * @images: pointer to the bootm command headers structure 717 * 718 * fit_has_config() checks if there is a FIT configuration in use 719 * (if FTI support is present). 720 * 721 * returns: 722 * 0, no FIT support or no configuration found 723 * 1, configuration found 724 */ 725 int genimg_has_config (bootm_headers_t *images) 726 { 727 #if defined(CONFIG_FIT) 728 if (images->fit_uname_cfg) 729 return 1; 730 #endif 731 return 0; 732 } 733 734 /** 735 * boot_get_ramdisk - main ramdisk handling routine 736 * @argc: command argument count 737 * @argv: command argument list 738 * @images: pointer to the bootm images structure 739 * @arch: expected ramdisk architecture 740 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 741 * @rd_end: pointer to a ulong variable, will hold ramdisk end 742 * 743 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 744 * Curently supported are the following ramdisk sources: 745 * - multicomponent kernel/ramdisk image, 746 * - commandline provided address of decicated ramdisk image. 747 * 748 * returns: 749 * 0, if ramdisk image was found and valid, or skiped 750 * rd_start and rd_end are set to ramdisk start/end addresses if 751 * ramdisk image is found and valid 752 * 753 * 1, if ramdisk image is found but corrupted, or invalid 754 * rd_start and rd_end are set to 0 if no ramdisk exists 755 */ 756 int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images, 757 uint8_t arch, ulong *rd_start, ulong *rd_end) 758 { 759 ulong rd_addr, rd_load; 760 ulong rd_data, rd_len; 761 image_header_t *rd_hdr; 762 #if defined(CONFIG_FIT) 763 void *fit_hdr; 764 const char *fit_uname_config = NULL; 765 const char *fit_uname_ramdisk = NULL; 766 ulong default_addr; 767 int rd_noffset; 768 int cfg_noffset; 769 const void *data; 770 size_t size; 771 #endif 772 773 *rd_start = 0; 774 *rd_end = 0; 775 776 /* 777 * Look for a '-' which indicates to ignore the 778 * ramdisk argument 779 */ 780 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 781 debug ("## Skipping init Ramdisk\n"); 782 rd_len = rd_data = 0; 783 } else if (argc >= 3 || genimg_has_config (images)) { 784 #if defined(CONFIG_FIT) 785 if (argc >= 3) { 786 /* 787 * If the init ramdisk comes from the FIT image and 788 * the FIT image address is omitted in the command 789 * line argument, try to use os FIT image address or 790 * default load address. 791 */ 792 if (images->fit_uname_os) 793 default_addr = (ulong)images->fit_hdr_os; 794 else 795 default_addr = load_addr; 796 797 if (fit_parse_conf (argv[2], default_addr, 798 &rd_addr, &fit_uname_config)) { 799 debug ("* ramdisk: config '%s' from image at 0x%08lx\n", 800 fit_uname_config, rd_addr); 801 } else if (fit_parse_subimage (argv[2], default_addr, 802 &rd_addr, &fit_uname_ramdisk)) { 803 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", 804 fit_uname_ramdisk, rd_addr); 805 } else 806 #endif 807 { 808 rd_addr = simple_strtoul(argv[2], NULL, 16); 809 debug ("* ramdisk: cmdline image address = 0x%08lx\n", 810 rd_addr); 811 } 812 #if defined(CONFIG_FIT) 813 } else { 814 /* use FIT configuration provided in first bootm 815 * command argument 816 */ 817 rd_addr = (ulong)images->fit_hdr_os; 818 fit_uname_config = images->fit_uname_cfg; 819 debug ("* ramdisk: using config '%s' from image at 0x%08lx\n", 820 fit_uname_config, rd_addr); 821 822 /* 823 * Check whether configuration has ramdisk defined, 824 * if not, don't try to use it, quit silently. 825 */ 826 fit_hdr = (void *)rd_addr; 827 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 828 if (cfg_noffset < 0) { 829 debug ("* ramdisk: no such config\n"); 830 return 1; 831 } 832 833 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 834 if (rd_noffset < 0) { 835 debug ("* ramdisk: no ramdisk in config\n"); 836 return 0; 837 } 838 } 839 #endif 840 841 /* copy from dataflash if needed */ 842 rd_addr = genimg_get_image (rd_addr); 843 844 /* 845 * Check if there is an initrd image at the 846 * address provided in the second bootm argument 847 * check image type, for FIT images get FIT node. 848 */ 849 switch (genimg_get_format ((void *)rd_addr)) { 850 case IMAGE_FORMAT_LEGACY: 851 printf ("## Loading init Ramdisk from Legacy " 852 "Image at %08lx ...\n", rd_addr); 853 854 show_boot_progress (9); 855 rd_hdr = image_get_ramdisk (rd_addr, arch, 856 images->verify); 857 858 if (rd_hdr == NULL) 859 return 1; 860 861 rd_data = image_get_data (rd_hdr); 862 rd_len = image_get_data_size (rd_hdr); 863 rd_load = image_get_load (rd_hdr); 864 break; 865 #if defined(CONFIG_FIT) 866 case IMAGE_FORMAT_FIT: 867 fit_hdr = (void *)rd_addr; 868 printf ("## Loading init Ramdisk from FIT " 869 "Image at %08lx ...\n", rd_addr); 870 871 show_boot_progress (120); 872 if (!fit_check_format (fit_hdr)) { 873 puts ("Bad FIT ramdisk image format!\n"); 874 show_boot_progress (-120); 875 return 1; 876 } 877 show_boot_progress (121); 878 879 if (!fit_uname_ramdisk) { 880 /* 881 * no ramdisk image node unit name, try to get config 882 * node first. If config unit node name is NULL 883 * fit_conf_get_node() will try to find default config node 884 */ 885 show_boot_progress (122); 886 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 887 if (cfg_noffset < 0) { 888 puts ("Could not find configuration node\n"); 889 show_boot_progress (-122); 890 return 1; 891 } 892 fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL); 893 printf (" Using '%s' configuration\n", fit_uname_config); 894 895 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 896 fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); 897 } else { 898 /* get ramdisk component image node offset */ 899 show_boot_progress (123); 900 rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); 901 } 902 if (rd_noffset < 0) { 903 puts ("Could not find subimage node\n"); 904 show_boot_progress (-124); 905 return 1; 906 } 907 908 printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); 909 910 show_boot_progress (125); 911 if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) 912 return 1; 913 914 /* get ramdisk image data address and length */ 915 if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { 916 puts ("Could not find ramdisk subimage data!\n"); 917 show_boot_progress (-127); 918 return 1; 919 } 920 show_boot_progress (128); 921 922 rd_data = (ulong)data; 923 rd_len = size; 924 925 if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { 926 puts ("Can't get ramdisk subimage load address!\n"); 927 show_boot_progress (-129); 928 return 1; 929 } 930 show_boot_progress (129); 931 932 images->fit_hdr_rd = fit_hdr; 933 images->fit_uname_rd = fit_uname_ramdisk; 934 images->fit_noffset_rd = rd_noffset; 935 break; 936 #endif 937 default: 938 puts ("Wrong Ramdisk Image Format\n"); 939 rd_data = rd_len = rd_load = 0; 940 return 1; 941 } 942 943 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 944 /* 945 * We need to copy the ramdisk to SRAM to let Linux boot 946 */ 947 if (rd_data) { 948 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 949 rd_data = rd_load; 950 } 951 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 952 953 } else if (images->legacy_hdr_valid && 954 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 955 /* 956 * Now check if we have a legacy mult-component image, 957 * get second entry data start address and len. 958 */ 959 show_boot_progress (13); 960 printf ("## Loading init Ramdisk from multi component " 961 "Legacy Image at %08lx ...\n", 962 (ulong)images->legacy_hdr_os); 963 964 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 965 } else { 966 /* 967 * no initrd image 968 */ 969 show_boot_progress (14); 970 rd_len = rd_data = 0; 971 } 972 973 if (!rd_data) { 974 debug ("## No init Ramdisk\n"); 975 } else { 976 *rd_start = rd_data; 977 *rd_end = rd_data + rd_len; 978 } 979 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 980 *rd_start, *rd_end); 981 982 return 0; 983 } 984 985 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) 986 /** 987 * boot_ramdisk_high - relocate init ramdisk 988 * @lmb: pointer to lmb handle, will be used for memory mgmt 989 * @rd_data: ramdisk data start address 990 * @rd_len: ramdisk data length 991 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 992 * start address (after possible relocation) 993 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 994 * end address (after possible relocation) 995 * 996 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 997 * variable and if requested ramdisk data is moved to a specified location. 998 * 999 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 1000 * start/end addresses if ramdisk image start and len were provided, 1001 * otherwise set initrd_start and initrd_end set to zeros. 1002 * 1003 * returns: 1004 * 0 - success 1005 * -1 - failure 1006 */ 1007 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 1008 ulong *initrd_start, ulong *initrd_end) 1009 { 1010 char *s; 1011 ulong initrd_high; 1012 int initrd_copy_to_ram = 1; 1013 1014 if ((s = getenv ("initrd_high")) != NULL) { 1015 /* a value of "no" or a similar string will act like 0, 1016 * turning the "load high" feature off. This is intentional. 1017 */ 1018 initrd_high = simple_strtoul (s, NULL, 16); 1019 if (initrd_high == ~0) 1020 initrd_copy_to_ram = 0; 1021 } else { 1022 /* not set, no restrictions to load high */ 1023 initrd_high = ~0; 1024 } 1025 1026 1027 #ifdef CONFIG_LOGBUFFER 1028 /* Prevent initrd from overwriting logbuffer */ 1029 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1030 #endif 1031 1032 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1033 initrd_high, initrd_copy_to_ram); 1034 1035 if (rd_data) { 1036 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1037 debug (" in-place initrd\n"); 1038 *initrd_start = rd_data; 1039 *initrd_end = rd_data + rd_len; 1040 lmb_reserve(lmb, rd_data, rd_len); 1041 } else { 1042 if (initrd_high) 1043 *initrd_start = (ulong)lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 1044 else 1045 *initrd_start = (ulong)lmb_alloc (lmb, rd_len, 0x1000); 1046 1047 if (*initrd_start == 0) { 1048 puts ("ramdisk - allocation error\n"); 1049 goto error; 1050 } 1051 show_boot_progress (12); 1052 1053 *initrd_end = *initrd_start + rd_len; 1054 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 1055 *initrd_start, *initrd_end); 1056 1057 memmove_wd ((void *)*initrd_start, 1058 (void *)rd_data, rd_len, CHUNKSZ); 1059 1060 puts ("OK\n"); 1061 } 1062 } else { 1063 *initrd_start = 0; 1064 *initrd_end = 0; 1065 } 1066 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1067 *initrd_start, *initrd_end); 1068 1069 return 0; 1070 1071 error: 1072 return -1; 1073 } 1074 1075 #ifdef CONFIG_OF_LIBFDT 1076 static void fdt_error (const char *msg) 1077 { 1078 puts ("ERROR: "); 1079 puts (msg); 1080 puts (" - must RESET the board to recover.\n"); 1081 } 1082 1083 static image_header_t *image_get_fdt (ulong fdt_addr) 1084 { 1085 image_header_t *fdt_hdr = (image_header_t *)fdt_addr; 1086 1087 image_print_contents (fdt_hdr); 1088 1089 puts (" Verifying Checksum ... "); 1090 if (!image_check_hcrc (fdt_hdr)) { 1091 fdt_error ("fdt header checksum invalid"); 1092 return NULL; 1093 } 1094 1095 if (!image_check_dcrc (fdt_hdr)) { 1096 fdt_error ("fdt checksum invalid"); 1097 return NULL; 1098 } 1099 puts ("OK\n"); 1100 1101 if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) { 1102 fdt_error ("uImage is not a fdt"); 1103 return NULL; 1104 } 1105 if (image_get_comp (fdt_hdr) != IH_COMP_NONE) { 1106 fdt_error ("uImage is compressed"); 1107 return NULL; 1108 } 1109 if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) { 1110 fdt_error ("uImage data is not a fdt"); 1111 return NULL; 1112 } 1113 return fdt_hdr; 1114 } 1115 1116 /** 1117 * fit_check_fdt - verify FIT format FDT subimage 1118 * @fit_hdr: pointer to the FIT header 1119 * fdt_noffset: FDT subimage node offset within FIT image 1120 * @verify: data CRC verification flag 1121 * 1122 * fit_check_fdt() verifies integrity of the FDT subimage and from 1123 * specified FIT image. 1124 * 1125 * returns: 1126 * 1, on success 1127 * 0, on failure 1128 */ 1129 #if defined(CONFIG_FIT) 1130 static int fit_check_fdt (const void *fit, int fdt_noffset, int verify) 1131 { 1132 fit_image_print (fit, fdt_noffset, " "); 1133 1134 if (verify) { 1135 puts (" Verifying Hash Integrity ... "); 1136 if (!fit_image_check_hashes (fit, fdt_noffset)) { 1137 fdt_error ("Bad Data Hash"); 1138 return 0; 1139 } 1140 puts ("OK\n"); 1141 } 1142 1143 if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) { 1144 fdt_error ("Not a FDT image"); 1145 return 0; 1146 } 1147 1148 if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) { 1149 fdt_error ("FDT image is compressed"); 1150 return 0; 1151 } 1152 1153 return 1; 1154 } 1155 #endif /* CONFIG_FIT */ 1156 1157 #ifndef CONFIG_SYS_FDT_PAD 1158 #define CONFIG_SYS_FDT_PAD 0x3000 1159 #endif 1160 1161 /** 1162 * boot_relocate_fdt - relocate flat device tree 1163 * @lmb: pointer to lmb handle, will be used for memory mgmt 1164 * @bootmap_base: base address of the bootmap region 1165 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1166 * @of_size: pointer to a ulong variable, will hold fdt length 1167 * 1168 * boot_relocate_fdt() determines if the of_flat_tree address is within 1169 * the bootmap and if not relocates it into that region 1170 * 1171 * of_flat_tree and of_size are set to final (after relocation) values 1172 * 1173 * returns: 1174 * 0 - success 1175 * 1 - failure 1176 */ 1177 int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base, 1178 char **of_flat_tree, ulong *of_size) 1179 { 1180 char *fdt_blob = *of_flat_tree; 1181 ulong relocate = 0; 1182 ulong of_len = 0; 1183 1184 /* nothing to do */ 1185 if (*of_size == 0) 1186 return 0; 1187 1188 if (fdt_check_header (fdt_blob) != 0) { 1189 fdt_error ("image is not a fdt"); 1190 goto error; 1191 } 1192 1193 #ifndef CONFIG_SYS_NO_FLASH 1194 /* move the blob if it is in flash (set relocate) */ 1195 if (addr2info ((ulong)fdt_blob) != NULL) 1196 relocate = 1; 1197 #endif 1198 1199 /* 1200 * The blob needs to be inside the boot mapping. 1201 */ 1202 if (fdt_blob < (char *)bootmap_base) 1203 relocate = 1; 1204 1205 if ((fdt_blob + *of_size + CONFIG_SYS_FDT_PAD) >= 1206 ((char *)CONFIG_SYS_BOOTMAPSZ + bootmap_base)) 1207 relocate = 1; 1208 1209 /* move flattend device tree if needed */ 1210 if (relocate) { 1211 int err; 1212 ulong of_start = 0; 1213 1214 /* position on a 4K boundary before the alloc_current */ 1215 /* Pad the FDT by a specified amount */ 1216 of_len = *of_size + CONFIG_SYS_FDT_PAD; 1217 of_start = (unsigned long)lmb_alloc_base(lmb, of_len, 0x1000, 1218 (CONFIG_SYS_BOOTMAPSZ + bootmap_base)); 1219 1220 if (of_start == 0) { 1221 puts("device tree - allocation error\n"); 1222 goto error; 1223 } 1224 1225 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", 1226 (ulong)fdt_blob, (ulong)fdt_blob + *of_size - 1, 1227 of_len, of_len); 1228 1229 printf (" Loading Device Tree to %08lx, end %08lx ... ", 1230 of_start, of_start + of_len - 1); 1231 1232 err = fdt_open_into (fdt_blob, (void *)of_start, of_len); 1233 if (err != 0) { 1234 fdt_error ("fdt move failed"); 1235 goto error; 1236 } 1237 puts ("OK\n"); 1238 1239 *of_flat_tree = (char *)of_start; 1240 *of_size = of_len; 1241 } else { 1242 *of_flat_tree = fdt_blob; 1243 of_len = (CONFIG_SYS_BOOTMAPSZ + bootmap_base) - (ulong)fdt_blob; 1244 lmb_reserve(lmb, (ulong)fdt_blob, of_len); 1245 fdt_set_totalsize(*of_flat_tree, of_len); 1246 1247 *of_size = of_len; 1248 } 1249 1250 set_working_fdt_addr(*of_flat_tree); 1251 return 0; 1252 1253 error: 1254 return 1; 1255 } 1256 1257 /** 1258 * boot_get_fdt - main fdt handling routine 1259 * @argc: command argument count 1260 * @argv: command argument list 1261 * @images: pointer to the bootm images structure 1262 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1263 * @of_size: pointer to a ulong variable, will hold fdt length 1264 * 1265 * boot_get_fdt() is responsible for finding a valid flat device tree image. 1266 * Curently supported are the following ramdisk sources: 1267 * - multicomponent kernel/ramdisk image, 1268 * - commandline provided address of decicated ramdisk image. 1269 * 1270 * returns: 1271 * 0, if fdt image was found and valid, or skipped 1272 * of_flat_tree and of_size are set to fdt start address and length if 1273 * fdt image is found and valid 1274 * 1275 * 1, if fdt image is found but corrupted 1276 * of_flat_tree and of_size are set to 0 if no fdt exists 1277 */ 1278 int boot_get_fdt (int flag, int argc, char *argv[], bootm_headers_t *images, 1279 char **of_flat_tree, ulong *of_size) 1280 { 1281 ulong fdt_addr; 1282 image_header_t *fdt_hdr; 1283 char *fdt_blob = NULL; 1284 ulong image_start, image_end; 1285 ulong load_start, load_end; 1286 #if defined(CONFIG_FIT) 1287 void *fit_hdr; 1288 const char *fit_uname_config = NULL; 1289 const char *fit_uname_fdt = NULL; 1290 ulong default_addr; 1291 int cfg_noffset; 1292 int fdt_noffset; 1293 const void *data; 1294 size_t size; 1295 #endif 1296 1297 *of_flat_tree = NULL; 1298 *of_size = 0; 1299 1300 if (argc > 3 || genimg_has_config (images)) { 1301 #if defined(CONFIG_FIT) 1302 if (argc > 3) { 1303 /* 1304 * If the FDT blob comes from the FIT image and the 1305 * FIT image address is omitted in the command line 1306 * argument, try to use ramdisk or os FIT image 1307 * address or default load address. 1308 */ 1309 if (images->fit_uname_rd) 1310 default_addr = (ulong)images->fit_hdr_rd; 1311 else if (images->fit_uname_os) 1312 default_addr = (ulong)images->fit_hdr_os; 1313 else 1314 default_addr = load_addr; 1315 1316 if (fit_parse_conf (argv[3], default_addr, 1317 &fdt_addr, &fit_uname_config)) { 1318 debug ("* fdt: config '%s' from image at 0x%08lx\n", 1319 fit_uname_config, fdt_addr); 1320 } else if (fit_parse_subimage (argv[3], default_addr, 1321 &fdt_addr, &fit_uname_fdt)) { 1322 debug ("* fdt: subimage '%s' from image at 0x%08lx\n", 1323 fit_uname_fdt, fdt_addr); 1324 } else 1325 #endif 1326 { 1327 fdt_addr = simple_strtoul(argv[3], NULL, 16); 1328 debug ("* fdt: cmdline image address = 0x%08lx\n", 1329 fdt_addr); 1330 } 1331 #if defined(CONFIG_FIT) 1332 } else { 1333 /* use FIT configuration provided in first bootm 1334 * command argument 1335 */ 1336 fdt_addr = (ulong)images->fit_hdr_os; 1337 fit_uname_config = images->fit_uname_cfg; 1338 debug ("* fdt: using config '%s' from image at 0x%08lx\n", 1339 fit_uname_config, fdt_addr); 1340 1341 /* 1342 * Check whether configuration has FDT blob defined, 1343 * if not quit silently. 1344 */ 1345 fit_hdr = (void *)fdt_addr; 1346 cfg_noffset = fit_conf_get_node (fit_hdr, 1347 fit_uname_config); 1348 if (cfg_noffset < 0) { 1349 debug ("* fdt: no such config\n"); 1350 return 0; 1351 } 1352 1353 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1354 cfg_noffset); 1355 if (fdt_noffset < 0) { 1356 debug ("* fdt: no fdt in config\n"); 1357 return 0; 1358 } 1359 } 1360 #endif 1361 1362 debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n", 1363 fdt_addr); 1364 1365 /* copy from dataflash if needed */ 1366 fdt_addr = genimg_get_image (fdt_addr); 1367 1368 /* 1369 * Check if there is an FDT image at the 1370 * address provided in the second bootm argument 1371 * check image type, for FIT images get a FIT node. 1372 */ 1373 switch (genimg_get_format ((void *)fdt_addr)) { 1374 case IMAGE_FORMAT_LEGACY: 1375 /* verify fdt_addr points to a valid image header */ 1376 printf ("## Flattened Device Tree from Legacy Image at %08lx\n", 1377 fdt_addr); 1378 fdt_hdr = image_get_fdt (fdt_addr); 1379 if (!fdt_hdr) 1380 goto error; 1381 1382 /* 1383 * move image data to the load address, 1384 * make sure we don't overwrite initial image 1385 */ 1386 image_start = (ulong)fdt_hdr; 1387 image_end = image_get_image_end (fdt_hdr); 1388 1389 load_start = image_get_load (fdt_hdr); 1390 load_end = load_start + image_get_data_size (fdt_hdr); 1391 1392 if ((load_start < image_end) && (load_end > image_start)) { 1393 fdt_error ("fdt overwritten"); 1394 goto error; 1395 } 1396 1397 debug (" Loading FDT from 0x%08lx to 0x%08lx\n", 1398 image_get_data (fdt_hdr), load_start); 1399 1400 memmove ((void *)load_start, 1401 (void *)image_get_data (fdt_hdr), 1402 image_get_data_size (fdt_hdr)); 1403 1404 fdt_blob = (char *)load_start; 1405 break; 1406 case IMAGE_FORMAT_FIT: 1407 /* 1408 * This case will catch both: new uImage format 1409 * (libfdt based) and raw FDT blob (also libfdt 1410 * based). 1411 */ 1412 #if defined(CONFIG_FIT) 1413 /* check FDT blob vs FIT blob */ 1414 if (fit_check_format ((const void *)fdt_addr)) { 1415 /* 1416 * FIT image 1417 */ 1418 fit_hdr = (void *)fdt_addr; 1419 printf ("## Flattened Device Tree from FIT Image at %08lx\n", 1420 fdt_addr); 1421 1422 if (!fit_uname_fdt) { 1423 /* 1424 * no FDT blob image node unit name, 1425 * try to get config node first. If 1426 * config unit node name is NULL 1427 * fit_conf_get_node() will try to 1428 * find default config node 1429 */ 1430 cfg_noffset = fit_conf_get_node (fit_hdr, 1431 fit_uname_config); 1432 1433 if (cfg_noffset < 0) { 1434 fdt_error ("Could not find configuration node\n"); 1435 goto error; 1436 } 1437 1438 fit_uname_config = fdt_get_name (fit_hdr, 1439 cfg_noffset, NULL); 1440 printf (" Using '%s' configuration\n", 1441 fit_uname_config); 1442 1443 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1444 cfg_noffset); 1445 fit_uname_fdt = fit_get_name (fit_hdr, 1446 fdt_noffset, NULL); 1447 } else { 1448 /* get FDT component image node offset */ 1449 fdt_noffset = fit_image_get_node (fit_hdr, 1450 fit_uname_fdt); 1451 } 1452 if (fdt_noffset < 0) { 1453 fdt_error ("Could not find subimage node\n"); 1454 goto error; 1455 } 1456 1457 printf (" Trying '%s' FDT blob subimage\n", 1458 fit_uname_fdt); 1459 1460 if (!fit_check_fdt (fit_hdr, fdt_noffset, 1461 images->verify)) 1462 goto error; 1463 1464 /* get ramdisk image data address and length */ 1465 if (fit_image_get_data (fit_hdr, fdt_noffset, 1466 &data, &size)) { 1467 fdt_error ("Could not find FDT subimage data"); 1468 goto error; 1469 } 1470 1471 /* verift that image data is a proper FDT blob */ 1472 if (fdt_check_header ((char *)data) != 0) { 1473 fdt_error ("Subimage data is not a FTD"); 1474 goto error; 1475 } 1476 1477 /* 1478 * move image data to the load address, 1479 * make sure we don't overwrite initial image 1480 */ 1481 image_start = (ulong)fit_hdr; 1482 image_end = fit_get_end (fit_hdr); 1483 1484 if (fit_image_get_load (fit_hdr, fdt_noffset, 1485 &load_start) == 0) { 1486 load_end = load_start + size; 1487 1488 if ((load_start < image_end) && 1489 (load_end > image_start)) { 1490 fdt_error ("FDT overwritten"); 1491 goto error; 1492 } 1493 1494 printf (" Loading FDT from 0x%08lx to 0x%08lx\n", 1495 (ulong)data, load_start); 1496 1497 memmove ((void *)load_start, 1498 (void *)data, size); 1499 1500 fdt_blob = (char *)load_start; 1501 } else { 1502 fdt_blob = (char *)data; 1503 } 1504 1505 images->fit_hdr_fdt = fit_hdr; 1506 images->fit_uname_fdt = fit_uname_fdt; 1507 images->fit_noffset_fdt = fdt_noffset; 1508 break; 1509 } else 1510 #endif 1511 { 1512 /* 1513 * FDT blob 1514 */ 1515 fdt_blob = (char *)fdt_addr; 1516 debug ("* fdt: raw FDT blob\n"); 1517 printf ("## Flattened Device Tree blob at %08lx\n", (long)fdt_blob); 1518 } 1519 break; 1520 default: 1521 puts ("ERROR: Did not find a cmdline Flattened Device Tree\n"); 1522 goto error; 1523 } 1524 1525 printf (" Booting using the fdt blob at 0x%x\n", (int)fdt_blob); 1526 1527 } else if (images->legacy_hdr_valid && 1528 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 1529 1530 ulong fdt_data, fdt_len; 1531 1532 /* 1533 * Now check if we have a legacy multi-component image, 1534 * get second entry data start address and len. 1535 */ 1536 printf ("## Flattened Device Tree from multi " 1537 "component Image at %08lX\n", 1538 (ulong)images->legacy_hdr_os); 1539 1540 image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len); 1541 if (fdt_len) { 1542 1543 fdt_blob = (char *)fdt_data; 1544 printf (" Booting using the fdt at 0x%x\n", (int)fdt_blob); 1545 1546 if (fdt_check_header (fdt_blob) != 0) { 1547 fdt_error ("image is not a fdt"); 1548 goto error; 1549 } 1550 1551 if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) { 1552 fdt_error ("fdt size != image size"); 1553 goto error; 1554 } 1555 } else { 1556 debug ("## No Flattened Device Tree\n"); 1557 return 0; 1558 } 1559 } else { 1560 debug ("## No Flattened Device Tree\n"); 1561 return 0; 1562 } 1563 1564 *of_flat_tree = fdt_blob; 1565 *of_size = be32_to_cpu (fdt_totalsize (fdt_blob)); 1566 debug (" of_flat_tree at 0x%08lx size 0x%08lx\n", 1567 (ulong)*of_flat_tree, *of_size); 1568 1569 return 0; 1570 1571 error: 1572 *of_flat_tree = 0; 1573 *of_size = 0; 1574 return 1; 1575 } 1576 #endif /* CONFIG_OF_LIBFDT */ 1577 1578 /** 1579 * boot_get_cmdline - allocate and initialize kernel cmdline 1580 * @lmb: pointer to lmb handle, will be used for memory mgmt 1581 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1582 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1583 * @bootmap_base: ulong variable, holds offset in physical memory to 1584 * base of bootmap 1585 * 1586 * boot_get_cmdline() allocates space for kernel command line below 1587 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 1588 * variable is present its contents is copied to allocated kernel 1589 * command line. 1590 * 1591 * returns: 1592 * 0 - success 1593 * -1 - failure 1594 */ 1595 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 1596 ulong bootmap_base) 1597 { 1598 char *cmdline; 1599 char *s; 1600 1601 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1602 CONFIG_SYS_BOOTMAPSZ + bootmap_base); 1603 1604 if (cmdline == NULL) 1605 return -1; 1606 1607 if ((s = getenv("bootargs")) == NULL) 1608 s = ""; 1609 1610 strcpy(cmdline, s); 1611 1612 *cmd_start = (ulong) & cmdline[0]; 1613 *cmd_end = *cmd_start + strlen(cmdline); 1614 1615 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1616 1617 return 0; 1618 } 1619 1620 /** 1621 * boot_get_kbd - allocate and initialize kernel copy of board info 1622 * @lmb: pointer to lmb handle, will be used for memory mgmt 1623 * @kbd: double pointer to board info data 1624 * @bootmap_base: ulong variable, holds offset in physical memory to 1625 * base of bootmap 1626 * 1627 * boot_get_kbd() allocates space for kernel copy of board info data below 1628 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1629 * the current u-boot board info data. 1630 * 1631 * returns: 1632 * 0 - success 1633 * -1 - failure 1634 */ 1635 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1636 { 1637 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1638 CONFIG_SYS_BOOTMAPSZ + bootmap_base); 1639 if (*kbd == NULL) 1640 return -1; 1641 1642 **kbd = *(gd->bd); 1643 1644 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1645 1646 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1647 do_bdinfo(NULL, 0, 0, NULL); 1648 #endif 1649 1650 return 0; 1651 } 1652 #endif /* CONFIG_PPC || CONFIG_M68K */ 1653 #endif /* !USE_HOSTCC */ 1654 1655 #if defined(CONFIG_FIT) 1656 /*****************************************************************************/ 1657 /* New uImage format routines */ 1658 /*****************************************************************************/ 1659 #ifndef USE_HOSTCC 1660 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1661 ulong *addr, const char **name) 1662 { 1663 const char *sep; 1664 1665 *addr = addr_curr; 1666 *name = NULL; 1667 1668 sep = strchr (spec, sepc); 1669 if (sep) { 1670 if (sep - spec > 0) 1671 *addr = simple_strtoul (spec, NULL, 16); 1672 1673 *name = sep + 1; 1674 return 1; 1675 } 1676 1677 return 0; 1678 } 1679 1680 /** 1681 * fit_parse_conf - parse FIT configuration spec 1682 * @spec: input string, containing configuration spec 1683 * @add_curr: current image address (to be used as a possible default) 1684 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1685 * configuration 1686 * @conf_name double pointer to a char, will hold pointer to a configuration 1687 * unit name 1688 * 1689 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1690 * where <addr> is a FIT image address that contains configuration 1691 * with a <conf> unit name. 1692 * 1693 * Address part is optional, and if omitted default add_curr will 1694 * be used instead. 1695 * 1696 * returns: 1697 * 1 if spec is a valid configuration string, 1698 * addr and conf_name are set accordingly 1699 * 0 otherwise 1700 */ 1701 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1702 ulong *addr, const char **conf_name) 1703 { 1704 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1705 } 1706 1707 /** 1708 * fit_parse_subimage - parse FIT subimage spec 1709 * @spec: input string, containing subimage spec 1710 * @add_curr: current image address (to be used as a possible default) 1711 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1712 * subimage 1713 * @image_name: double pointer to a char, will hold pointer to a subimage name 1714 * 1715 * fit_parse_subimage() expects subimage spec in the for of 1716 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1717 * subimage with a <subimg> unit name. 1718 * 1719 * Address part is optional, and if omitted default add_curr will 1720 * be used instead. 1721 * 1722 * returns: 1723 * 1 if spec is a valid subimage string, 1724 * addr and image_name are set accordingly 1725 * 0 otherwise 1726 */ 1727 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1728 ulong *addr, const char **image_name) 1729 { 1730 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1731 } 1732 #endif /* !USE_HOSTCC */ 1733 1734 static void fit_get_debug (const void *fit, int noffset, 1735 char *prop_name, int err) 1736 { 1737 debug ("Can't get '%s' property from FIT 0x%08lx, " 1738 "node: offset %d, name %s (%s)\n", 1739 prop_name, (ulong)fit, noffset, 1740 fit_get_name (fit, noffset, NULL), 1741 fdt_strerror (err)); 1742 } 1743 1744 /** 1745 * fit_print_contents - prints out the contents of the FIT format image 1746 * @fit: pointer to the FIT format image header 1747 * @p: pointer to prefix string 1748 * 1749 * fit_print_contents() formats a multi line FIT image contents description. 1750 * The routine prints out FIT image properties (root node level) follwed by 1751 * the details of each component image. 1752 * 1753 * returns: 1754 * no returned results 1755 */ 1756 void fit_print_contents (const void *fit) 1757 { 1758 char *desc; 1759 char *uname; 1760 int images_noffset; 1761 int confs_noffset; 1762 int noffset; 1763 int ndepth; 1764 int count = 0; 1765 int ret; 1766 const char *p; 1767 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1768 time_t timestamp; 1769 #endif 1770 1771 #ifdef USE_HOSTCC 1772 p = ""; 1773 #else 1774 p = " "; 1775 #endif 1776 1777 /* Root node properties */ 1778 ret = fit_get_desc (fit, 0, &desc); 1779 printf ("%sFIT description: ", p); 1780 if (ret) 1781 printf ("unavailable\n"); 1782 else 1783 printf ("%s\n", desc); 1784 1785 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1786 ret = fit_get_timestamp (fit, 0, ×tamp); 1787 printf ("%sCreated: ", p); 1788 if (ret) 1789 printf ("unavailable\n"); 1790 else 1791 genimg_print_time (timestamp); 1792 #endif 1793 1794 /* Find images parent node offset */ 1795 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1796 if (images_noffset < 0) { 1797 printf ("Can't find images parent node '%s' (%s)\n", 1798 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1799 return; 1800 } 1801 1802 /* Process its subnodes, print out component images details */ 1803 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1804 (noffset >= 0) && (ndepth > 0); 1805 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1806 if (ndepth == 1) { 1807 /* 1808 * Direct child node of the images parent node, 1809 * i.e. component image node. 1810 */ 1811 printf ("%s Image %u (%s)\n", p, count++, 1812 fit_get_name(fit, noffset, NULL)); 1813 1814 fit_image_print (fit, noffset, p); 1815 } 1816 } 1817 1818 /* Find configurations parent node offset */ 1819 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 1820 if (confs_noffset < 0) { 1821 debug ("Can't get configurations parent node '%s' (%s)\n", 1822 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 1823 return; 1824 } 1825 1826 /* get default configuration unit name from default property */ 1827 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); 1828 if (uname) 1829 printf ("%s Default Configuration: '%s'\n", p, uname); 1830 1831 /* Process its subnodes, print out configurations details */ 1832 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); 1833 (noffset >= 0) && (ndepth > 0); 1834 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1835 if (ndepth == 1) { 1836 /* 1837 * Direct child node of the configurations parent node, 1838 * i.e. configuration node. 1839 */ 1840 printf ("%s Configuration %u (%s)\n", p, count++, 1841 fit_get_name(fit, noffset, NULL)); 1842 1843 fit_conf_print (fit, noffset, p); 1844 } 1845 } 1846 } 1847 1848 /** 1849 * fit_image_print - prints out the FIT component image details 1850 * @fit: pointer to the FIT format image header 1851 * @image_noffset: offset of the component image node 1852 * @p: pointer to prefix string 1853 * 1854 * fit_image_print() lists all mandatory properies for the processed component 1855 * image. If present, hash nodes are printed out as well. Load 1856 * address for images of type firmware is also printed out. Since the load 1857 * address is not mandatory for firmware images, it will be output as 1858 * "unavailable" when not present. 1859 * 1860 * returns: 1861 * no returned results 1862 */ 1863 void fit_image_print (const void *fit, int image_noffset, const char *p) 1864 { 1865 char *desc; 1866 uint8_t type, arch, os, comp; 1867 size_t size; 1868 ulong load, entry; 1869 const void *data; 1870 int noffset; 1871 int ndepth; 1872 int ret; 1873 1874 /* Mandatory properties */ 1875 ret = fit_get_desc (fit, image_noffset, &desc); 1876 printf ("%s Description: ", p); 1877 if (ret) 1878 printf ("unavailable\n"); 1879 else 1880 printf ("%s\n", desc); 1881 1882 fit_image_get_type (fit, image_noffset, &type); 1883 printf ("%s Type: %s\n", p, genimg_get_type_name (type)); 1884 1885 fit_image_get_comp (fit, image_noffset, &comp); 1886 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); 1887 1888 ret = fit_image_get_data (fit, image_noffset, &data, &size); 1889 1890 #ifndef USE_HOSTCC 1891 printf ("%s Data Start: ", p); 1892 if (ret) 1893 printf ("unavailable\n"); 1894 else 1895 printf ("0x%08lx\n", (ulong)data); 1896 #endif 1897 1898 printf ("%s Data Size: ", p); 1899 if (ret) 1900 printf ("unavailable\n"); 1901 else 1902 genimg_print_size (size); 1903 1904 /* Remaining, type dependent properties */ 1905 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1906 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 1907 (type == IH_TYPE_FLATDT)) { 1908 fit_image_get_arch (fit, image_noffset, &arch); 1909 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); 1910 } 1911 1912 if (type == IH_TYPE_KERNEL) { 1913 fit_image_get_os (fit, image_noffset, &os); 1914 printf ("%s OS: %s\n", p, genimg_get_os_name (os)); 1915 } 1916 1917 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1918 (type == IH_TYPE_FIRMWARE)) { 1919 ret = fit_image_get_load (fit, image_noffset, &load); 1920 printf ("%s Load Address: ", p); 1921 if (ret) 1922 printf ("unavailable\n"); 1923 else 1924 printf ("0x%08lx\n", load); 1925 } 1926 1927 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 1928 fit_image_get_entry (fit, image_noffset, &entry); 1929 printf ("%s Entry Point: ", p); 1930 if (ret) 1931 printf ("unavailable\n"); 1932 else 1933 printf ("0x%08lx\n", entry); 1934 } 1935 1936 /* Process all hash subnodes of the component image node */ 1937 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1938 (noffset >= 0) && (ndepth > 0); 1939 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1940 if (ndepth == 1) { 1941 /* Direct child node of the component image node */ 1942 fit_image_print_hash (fit, noffset, p); 1943 } 1944 } 1945 } 1946 1947 /** 1948 * fit_image_print_hash - prints out the hash node details 1949 * @fit: pointer to the FIT format image header 1950 * @noffset: offset of the hash node 1951 * @p: pointer to prefix string 1952 * 1953 * fit_image_print_hash() lists properies for the processed hash node 1954 * 1955 * returns: 1956 * no returned results 1957 */ 1958 void fit_image_print_hash (const void *fit, int noffset, const char *p) 1959 { 1960 char *algo; 1961 uint8_t *value; 1962 int value_len; 1963 int i, ret; 1964 1965 /* 1966 * Check subnode name, must be equal to "hash". 1967 * Multiple hash nodes require unique unit node 1968 * names, e.g. hash@1, hash@2, etc. 1969 */ 1970 if (strncmp (fit_get_name(fit, noffset, NULL), 1971 FIT_HASH_NODENAME, 1972 strlen(FIT_HASH_NODENAME)) != 0) 1973 return; 1974 1975 debug ("%s Hash node: '%s'\n", p, 1976 fit_get_name (fit, noffset, NULL)); 1977 1978 printf ("%s Hash algo: ", p); 1979 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1980 printf ("invalid/unsupported\n"); 1981 return; 1982 } 1983 printf ("%s\n", algo); 1984 1985 ret = fit_image_hash_get_value (fit, noffset, &value, 1986 &value_len); 1987 printf ("%s Hash value: ", p); 1988 if (ret) { 1989 printf ("unavailable\n"); 1990 } else { 1991 for (i = 0; i < value_len; i++) 1992 printf ("%02x", value[i]); 1993 printf ("\n"); 1994 } 1995 1996 debug ("%s Hash len: %d\n", p, value_len); 1997 } 1998 1999 /** 2000 * fit_get_desc - get node description property 2001 * @fit: pointer to the FIT format image header 2002 * @noffset: node offset 2003 * @desc: double pointer to the char, will hold pointer to the descrption 2004 * 2005 * fit_get_desc() reads description property from a given node, if 2006 * description is found pointer to it is returened in third call argument. 2007 * 2008 * returns: 2009 * 0, on success 2010 * -1, on failure 2011 */ 2012 int fit_get_desc (const void *fit, int noffset, char **desc) 2013 { 2014 int len; 2015 2016 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); 2017 if (*desc == NULL) { 2018 fit_get_debug (fit, noffset, FIT_DESC_PROP, len); 2019 return -1; 2020 } 2021 2022 return 0; 2023 } 2024 2025 /** 2026 * fit_get_timestamp - get node timestamp property 2027 * @fit: pointer to the FIT format image header 2028 * @noffset: node offset 2029 * @timestamp: pointer to the time_t, will hold read timestamp 2030 * 2031 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 2032 * is found and has a correct size its value is retured in third call 2033 * argument. 2034 * 2035 * returns: 2036 * 0, on success 2037 * -1, on property read failure 2038 * -2, on wrong timestamp size 2039 */ 2040 int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) 2041 { 2042 int len; 2043 const void *data; 2044 2045 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); 2046 if (data == NULL) { 2047 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); 2048 return -1; 2049 } 2050 if (len != sizeof (uint32_t)) { 2051 debug ("FIT timestamp with incorrect size of (%u)\n", len); 2052 return -2; 2053 } 2054 2055 *timestamp = uimage_to_cpu (*((uint32_t *)data)); 2056 return 0; 2057 } 2058 2059 /** 2060 * fit_image_get_node - get node offset for component image of a given unit name 2061 * @fit: pointer to the FIT format image header 2062 * @image_uname: component image node unit name 2063 * 2064 * fit_image_get_node() finds a component image (withing the '/images' 2065 * node) of a provided unit name. If image is found its node offset is 2066 * returned to the caller. 2067 * 2068 * returns: 2069 * image node offset when found (>=0) 2070 * negative number on failure (FDT_ERR_* code) 2071 */ 2072 int fit_image_get_node (const void *fit, const char *image_uname) 2073 { 2074 int noffset, images_noffset; 2075 2076 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2077 if (images_noffset < 0) { 2078 debug ("Can't find images parent node '%s' (%s)\n", 2079 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2080 return images_noffset; 2081 } 2082 2083 noffset = fdt_subnode_offset (fit, images_noffset, image_uname); 2084 if (noffset < 0) { 2085 debug ("Can't get node offset for image unit name: '%s' (%s)\n", 2086 image_uname, fdt_strerror (noffset)); 2087 } 2088 2089 return noffset; 2090 } 2091 2092 /** 2093 * fit_image_get_os - get os id for a given component image node 2094 * @fit: pointer to the FIT format image header 2095 * @noffset: component image node offset 2096 * @os: pointer to the uint8_t, will hold os numeric id 2097 * 2098 * fit_image_get_os() finds os property in a given component image node. 2099 * If the property is found, its (string) value is translated to the numeric 2100 * id which is returned to the caller. 2101 * 2102 * returns: 2103 * 0, on success 2104 * -1, on failure 2105 */ 2106 int fit_image_get_os (const void *fit, int noffset, uint8_t *os) 2107 { 2108 int len; 2109 const void *data; 2110 2111 /* Get OS name from property data */ 2112 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); 2113 if (data == NULL) { 2114 fit_get_debug (fit, noffset, FIT_OS_PROP, len); 2115 *os = -1; 2116 return -1; 2117 } 2118 2119 /* Translate OS name to id */ 2120 *os = genimg_get_os_id (data); 2121 return 0; 2122 } 2123 2124 /** 2125 * fit_image_get_arch - get arch id for a given component image node 2126 * @fit: pointer to the FIT format image header 2127 * @noffset: component image node offset 2128 * @arch: pointer to the uint8_t, will hold arch numeric id 2129 * 2130 * fit_image_get_arch() finds arch property in a given component image node. 2131 * If the property is found, its (string) value is translated to the numeric 2132 * id which is returned to the caller. 2133 * 2134 * returns: 2135 * 0, on success 2136 * -1, on failure 2137 */ 2138 int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) 2139 { 2140 int len; 2141 const void *data; 2142 2143 /* Get architecture name from property data */ 2144 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); 2145 if (data == NULL) { 2146 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); 2147 *arch = -1; 2148 return -1; 2149 } 2150 2151 /* Translate architecture name to id */ 2152 *arch = genimg_get_arch_id (data); 2153 return 0; 2154 } 2155 2156 /** 2157 * fit_image_get_type - get type id for a given component image node 2158 * @fit: pointer to the FIT format image header 2159 * @noffset: component image node offset 2160 * @type: pointer to the uint8_t, will hold type numeric id 2161 * 2162 * fit_image_get_type() finds type property in a given component image node. 2163 * If the property is found, its (string) value is translated to the numeric 2164 * id which is returned to the caller. 2165 * 2166 * returns: 2167 * 0, on success 2168 * -1, on failure 2169 */ 2170 int fit_image_get_type (const void *fit, int noffset, uint8_t *type) 2171 { 2172 int len; 2173 const void *data; 2174 2175 /* Get image type name from property data */ 2176 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); 2177 if (data == NULL) { 2178 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); 2179 *type = -1; 2180 return -1; 2181 } 2182 2183 /* Translate image type name to id */ 2184 *type = genimg_get_type_id (data); 2185 return 0; 2186 } 2187 2188 /** 2189 * fit_image_get_comp - get comp id for a given component image node 2190 * @fit: pointer to the FIT format image header 2191 * @noffset: component image node offset 2192 * @comp: pointer to the uint8_t, will hold comp numeric id 2193 * 2194 * fit_image_get_comp() finds comp property in a given component image node. 2195 * If the property is found, its (string) value is translated to the numeric 2196 * id which is returned to the caller. 2197 * 2198 * returns: 2199 * 0, on success 2200 * -1, on failure 2201 */ 2202 int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) 2203 { 2204 int len; 2205 const void *data; 2206 2207 /* Get compression name from property data */ 2208 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); 2209 if (data == NULL) { 2210 fit_get_debug (fit, noffset, FIT_COMP_PROP, len); 2211 *comp = -1; 2212 return -1; 2213 } 2214 2215 /* Translate compression name to id */ 2216 *comp = genimg_get_comp_id (data); 2217 return 0; 2218 } 2219 2220 /** 2221 * fit_image_get_load - get load address property for a given component image node 2222 * @fit: pointer to the FIT format image header 2223 * @noffset: component image node offset 2224 * @load: pointer to the uint32_t, will hold load address 2225 * 2226 * fit_image_get_load() finds load address property in a given component image node. 2227 * If the property is found, its value is returned to the caller. 2228 * 2229 * returns: 2230 * 0, on success 2231 * -1, on failure 2232 */ 2233 int fit_image_get_load (const void *fit, int noffset, ulong *load) 2234 { 2235 int len; 2236 const uint32_t *data; 2237 2238 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); 2239 if (data == NULL) { 2240 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); 2241 return -1; 2242 } 2243 2244 *load = uimage_to_cpu (*data); 2245 return 0; 2246 } 2247 2248 /** 2249 * fit_image_get_entry - get entry point address property for a given component image node 2250 * @fit: pointer to the FIT format image header 2251 * @noffset: component image node offset 2252 * @entry: pointer to the uint32_t, will hold entry point address 2253 * 2254 * fit_image_get_entry() finds entry point address property in a given component image node. 2255 * If the property is found, its value is returned to the caller. 2256 * 2257 * returns: 2258 * 0, on success 2259 * -1, on failure 2260 */ 2261 int fit_image_get_entry (const void *fit, int noffset, ulong *entry) 2262 { 2263 int len; 2264 const uint32_t *data; 2265 2266 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); 2267 if (data == NULL) { 2268 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); 2269 return -1; 2270 } 2271 2272 *entry = uimage_to_cpu (*data); 2273 return 0; 2274 } 2275 2276 /** 2277 * fit_image_get_data - get data property and its size for a given component image node 2278 * @fit: pointer to the FIT format image header 2279 * @noffset: component image node offset 2280 * @data: double pointer to void, will hold data property's data address 2281 * @size: pointer to size_t, will hold data property's data size 2282 * 2283 * fit_image_get_data() finds data property in a given component image node. 2284 * If the property is found its data start address and size are returned to 2285 * the caller. 2286 * 2287 * returns: 2288 * 0, on success 2289 * -1, on failure 2290 */ 2291 int fit_image_get_data (const void *fit, int noffset, 2292 const void **data, size_t *size) 2293 { 2294 int len; 2295 2296 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); 2297 if (*data == NULL) { 2298 fit_get_debug (fit, noffset, FIT_DATA_PROP, len); 2299 *size = 0; 2300 return -1; 2301 } 2302 2303 *size = len; 2304 return 0; 2305 } 2306 2307 /** 2308 * fit_image_hash_get_algo - get hash algorithm name 2309 * @fit: pointer to the FIT format image header 2310 * @noffset: hash node offset 2311 * @algo: double pointer to char, will hold pointer to the algorithm name 2312 * 2313 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 2314 * If the property is found its data start address is returned to the caller. 2315 * 2316 * returns: 2317 * 0, on success 2318 * -1, on failure 2319 */ 2320 int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) 2321 { 2322 int len; 2323 2324 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); 2325 if (*algo == NULL) { 2326 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); 2327 return -1; 2328 } 2329 2330 return 0; 2331 } 2332 2333 /** 2334 * fit_image_hash_get_value - get hash value and length 2335 * @fit: pointer to the FIT format image header 2336 * @noffset: hash node offset 2337 * @value: double pointer to uint8_t, will hold address of a hash value data 2338 * @value_len: pointer to an int, will hold hash data length 2339 * 2340 * fit_image_hash_get_value() finds hash value property in a given hash node. 2341 * If the property is found its data start address and size are returned to 2342 * the caller. 2343 * 2344 * returns: 2345 * 0, on success 2346 * -1, on failure 2347 */ 2348 int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, 2349 int *value_len) 2350 { 2351 int len; 2352 2353 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); 2354 if (*value == NULL) { 2355 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); 2356 *value_len = 0; 2357 return -1; 2358 } 2359 2360 *value_len = len; 2361 return 0; 2362 } 2363 2364 /** 2365 * fit_set_timestamp - set node timestamp property 2366 * @fit: pointer to the FIT format image header 2367 * @noffset: node offset 2368 * @timestamp: timestamp value to be set 2369 * 2370 * fit_set_timestamp() attempts to set timestamp property in the requested 2371 * node and returns operation status to the caller. 2372 * 2373 * returns: 2374 * 0, on success 2375 * -1, on property read failure 2376 */ 2377 int fit_set_timestamp (void *fit, int noffset, time_t timestamp) 2378 { 2379 uint32_t t; 2380 int ret; 2381 2382 t = cpu_to_uimage (timestamp); 2383 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, 2384 sizeof (uint32_t)); 2385 if (ret) { 2386 printf ("Can't set '%s' property for '%s' node (%s)\n", 2387 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), 2388 fdt_strerror (ret)); 2389 return -1; 2390 } 2391 2392 return 0; 2393 } 2394 2395 /** 2396 * calculate_hash - calculate and return hash for provided input data 2397 * @data: pointer to the input data 2398 * @data_len: data length 2399 * @algo: requested hash algorithm 2400 * @value: pointer to the char, will hold hash value data (caller must 2401 * allocate enough free space) 2402 * value_len: length of the calculated hash 2403 * 2404 * calculate_hash() computes input data hash according to the requested algorithm. 2405 * Resulting hash value is placed in caller provided 'value' buffer, length 2406 * of the calculated hash is returned via value_len pointer argument. 2407 * 2408 * returns: 2409 * 0, on success 2410 * -1, when algo is unsupported 2411 */ 2412 static int calculate_hash (const void *data, int data_len, const char *algo, 2413 uint8_t *value, int *value_len) 2414 { 2415 if (strcmp (algo, "crc32") == 0 ) { 2416 *((uint32_t *)value) = crc32_wd (0, data, data_len, 2417 CHUNKSZ_CRC32); 2418 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); 2419 *value_len = 4; 2420 } else if (strcmp (algo, "sha1") == 0 ) { 2421 sha1_csum_wd ((unsigned char *) data, data_len, 2422 (unsigned char *) value, CHUNKSZ_SHA1); 2423 *value_len = 20; 2424 } else if (strcmp (algo, "md5") == 0 ) { 2425 md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5); 2426 *value_len = 16; 2427 } else { 2428 debug ("Unsupported hash alogrithm\n"); 2429 return -1; 2430 } 2431 return 0; 2432 } 2433 2434 #ifdef USE_HOSTCC 2435 /** 2436 * fit_set_hashes - process FIT component image nodes and calculate hashes 2437 * @fit: pointer to the FIT format image header 2438 * 2439 * fit_set_hashes() adds hash values for all component images in the FIT blob. 2440 * Hashes are calculated for all component images which have hash subnodes 2441 * with algorithm property set to one of the supported hash algorithms. 2442 * 2443 * returns 2444 * 0, on success 2445 * libfdt error code, on failure 2446 */ 2447 int fit_set_hashes (void *fit) 2448 { 2449 int images_noffset; 2450 int noffset; 2451 int ndepth; 2452 int ret; 2453 2454 /* Find images parent node offset */ 2455 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2456 if (images_noffset < 0) { 2457 printf ("Can't find images parent node '%s' (%s)\n", 2458 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2459 return images_noffset; 2460 } 2461 2462 /* Process its subnodes, print out component images details */ 2463 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 2464 (noffset >= 0) && (ndepth > 0); 2465 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2466 if (ndepth == 1) { 2467 /* 2468 * Direct child node of the images parent node, 2469 * i.e. component image node. 2470 */ 2471 ret = fit_image_set_hashes (fit, noffset); 2472 if (ret) 2473 return ret; 2474 } 2475 } 2476 2477 return 0; 2478 } 2479 2480 /** 2481 * fit_image_set_hashes - calculate/set hashes for given component image node 2482 * @fit: pointer to the FIT format image header 2483 * @image_noffset: requested component image node 2484 * 2485 * fit_image_set_hashes() adds hash values for an component image node. All 2486 * existing hash subnodes are checked, if algorithm property is set to one of 2487 * the supported hash algorithms, hash value is computed and corresponding 2488 * hash node property is set, for example: 2489 * 2490 * Input component image node structure: 2491 * 2492 * o image@1 (at image_noffset) 2493 * | - data = [binary data] 2494 * o hash@1 2495 * |- algo = "sha1" 2496 * 2497 * Output component image node structure: 2498 * 2499 * o image@1 (at image_noffset) 2500 * | - data = [binary data] 2501 * o hash@1 2502 * |- algo = "sha1" 2503 * |- value = sha1(data) 2504 * 2505 * returns: 2506 * 0 on sucess 2507 * <0 on failure 2508 */ 2509 int fit_image_set_hashes (void *fit, int image_noffset) 2510 { 2511 const void *data; 2512 size_t size; 2513 char *algo; 2514 uint8_t value[FIT_MAX_HASH_LEN]; 2515 int value_len; 2516 int noffset; 2517 int ndepth; 2518 2519 /* Get image data and data length */ 2520 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2521 printf ("Can't get image data/size\n"); 2522 return -1; 2523 } 2524 2525 /* Process all hash subnodes of the component image node */ 2526 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2527 (noffset >= 0) && (ndepth > 0); 2528 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2529 if (ndepth == 1) { 2530 /* Direct child node of the component image node */ 2531 2532 /* 2533 * Check subnode name, must be equal to "hash". 2534 * Multiple hash nodes require unique unit node 2535 * names, e.g. hash@1, hash@2, etc. 2536 */ 2537 if (strncmp (fit_get_name(fit, noffset, NULL), 2538 FIT_HASH_NODENAME, 2539 strlen(FIT_HASH_NODENAME)) != 0) { 2540 /* Not a hash subnode, skip it */ 2541 continue; 2542 } 2543 2544 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2545 printf ("Can't get hash algo property for " 2546 "'%s' hash node in '%s' image node\n", 2547 fit_get_name (fit, noffset, NULL), 2548 fit_get_name (fit, image_noffset, NULL)); 2549 return -1; 2550 } 2551 2552 if (calculate_hash (data, size, algo, value, &value_len)) { 2553 printf ("Unsupported hash algorithm (%s) for " 2554 "'%s' hash node in '%s' image node\n", 2555 algo, fit_get_name (fit, noffset, NULL), 2556 fit_get_name (fit, image_noffset, NULL)); 2557 return -1; 2558 } 2559 2560 if (fit_image_hash_set_value (fit, noffset, value, 2561 value_len)) { 2562 printf ("Can't set hash value for " 2563 "'%s' hash node in '%s' image node\n", 2564 fit_get_name (fit, noffset, NULL), 2565 fit_get_name (fit, image_noffset, NULL)); 2566 return -1; 2567 } 2568 } 2569 } 2570 2571 return 0; 2572 } 2573 2574 /** 2575 * fit_image_hash_set_value - set hash value in requested has node 2576 * @fit: pointer to the FIT format image header 2577 * @noffset: hash node offset 2578 * @value: hash value to be set 2579 * @value_len: hash value length 2580 * 2581 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2582 * given and returns operation status to the caller. 2583 * 2584 * returns 2585 * 0, on success 2586 * -1, on failure 2587 */ 2588 int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, 2589 int value_len) 2590 { 2591 int ret; 2592 2593 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); 2594 if (ret) { 2595 printf ("Can't set hash '%s' property for '%s' node (%s)\n", 2596 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), 2597 fdt_strerror (ret)); 2598 return -1; 2599 } 2600 2601 return 0; 2602 } 2603 #endif /* USE_HOSTCC */ 2604 2605 /** 2606 * fit_image_check_hashes - verify data intergity 2607 * @fit: pointer to the FIT format image header 2608 * @image_noffset: component image node offset 2609 * 2610 * fit_image_check_hashes() goes over component image hash nodes, 2611 * re-calculates each data hash and compares with the value stored in hash 2612 * node. 2613 * 2614 * returns: 2615 * 1, if all hashes are valid 2616 * 0, otherwise (or on error) 2617 */ 2618 int fit_image_check_hashes (const void *fit, int image_noffset) 2619 { 2620 const void *data; 2621 size_t size; 2622 char *algo; 2623 uint8_t *fit_value; 2624 int fit_value_len; 2625 uint8_t value[FIT_MAX_HASH_LEN]; 2626 int value_len; 2627 int noffset; 2628 int ndepth; 2629 char *err_msg = ""; 2630 2631 /* Get image data and data length */ 2632 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2633 printf ("Can't get image data/size\n"); 2634 return 0; 2635 } 2636 2637 /* Process all hash subnodes of the component image node */ 2638 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2639 (noffset >= 0) && (ndepth > 0); 2640 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2641 if (ndepth == 1) { 2642 /* Direct child node of the component image node */ 2643 2644 /* 2645 * Check subnode name, must be equal to "hash". 2646 * Multiple hash nodes require unique unit node 2647 * names, e.g. hash@1, hash@2, etc. 2648 */ 2649 if (strncmp (fit_get_name(fit, noffset, NULL), 2650 FIT_HASH_NODENAME, 2651 strlen(FIT_HASH_NODENAME)) != 0) 2652 continue; 2653 2654 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2655 err_msg = " error!\nCan't get hash algo " 2656 "property"; 2657 goto error; 2658 } 2659 printf ("%s", algo); 2660 2661 if (fit_image_hash_get_value (fit, noffset, &fit_value, 2662 &fit_value_len)) { 2663 err_msg = " error!\nCan't get hash value " 2664 "property"; 2665 goto error; 2666 } 2667 2668 if (calculate_hash (data, size, algo, value, &value_len)) { 2669 err_msg = " error!\nUnsupported hash algorithm"; 2670 goto error; 2671 } 2672 2673 if (value_len != fit_value_len) { 2674 err_msg = " error !\nBad hash value len"; 2675 goto error; 2676 } else if (memcmp (value, fit_value, value_len) != 0) { 2677 err_msg = " error!\nBad hash value"; 2678 goto error; 2679 } 2680 printf ("+ "); 2681 } 2682 } 2683 2684 return 1; 2685 2686 error: 2687 printf ("%s for '%s' hash node in '%s' image node\n", 2688 err_msg, fit_get_name (fit, noffset, NULL), 2689 fit_get_name (fit, image_noffset, NULL)); 2690 return 0; 2691 } 2692 2693 /** 2694 * fit_all_image_check_hashes - verify data intergity for all images 2695 * @fit: pointer to the FIT format image header 2696 * 2697 * fit_all_image_check_hashes() goes over all images in the FIT and 2698 * for every images checks if all it's hashes are valid. 2699 * 2700 * returns: 2701 * 1, if all hashes of all images are valid 2702 * 0, otherwise (or on error) 2703 */ 2704 int fit_all_image_check_hashes (const void *fit) 2705 { 2706 int images_noffset; 2707 int noffset; 2708 int ndepth; 2709 int count; 2710 2711 /* Find images parent node offset */ 2712 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2713 if (images_noffset < 0) { 2714 printf ("Can't find images parent node '%s' (%s)\n", 2715 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2716 return 0; 2717 } 2718 2719 /* Process all image subnodes, check hashes for each */ 2720 printf ("## Checking hash(es) for FIT Image at %08lx ...\n", 2721 (ulong)fit); 2722 for (ndepth = 0, count = 0, 2723 noffset = fdt_next_node (fit, images_noffset, &ndepth); 2724 (noffset >= 0) && (ndepth > 0); 2725 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2726 if (ndepth == 1) { 2727 /* 2728 * Direct child node of the images parent node, 2729 * i.e. component image node. 2730 */ 2731 printf (" Hash(es) for Image %u (%s): ", count++, 2732 fit_get_name (fit, noffset, NULL)); 2733 2734 if (!fit_image_check_hashes (fit, noffset)) 2735 return 0; 2736 printf ("\n"); 2737 } 2738 } 2739 return 1; 2740 } 2741 2742 /** 2743 * fit_image_check_os - check whether image node is of a given os type 2744 * @fit: pointer to the FIT format image header 2745 * @noffset: component image node offset 2746 * @os: requested image os 2747 * 2748 * fit_image_check_os() reads image os property and compares its numeric 2749 * id with the requested os. Comparison result is returned to the caller. 2750 * 2751 * returns: 2752 * 1 if image is of given os type 2753 * 0 otherwise (or on error) 2754 */ 2755 int fit_image_check_os (const void *fit, int noffset, uint8_t os) 2756 { 2757 uint8_t image_os; 2758 2759 if (fit_image_get_os (fit, noffset, &image_os)) 2760 return 0; 2761 return (os == image_os); 2762 } 2763 2764 /** 2765 * fit_image_check_arch - check whether image node is of a given arch 2766 * @fit: pointer to the FIT format image header 2767 * @noffset: component image node offset 2768 * @arch: requested imagearch 2769 * 2770 * fit_image_check_arch() reads image arch property and compares its numeric 2771 * id with the requested arch. Comparison result is returned to the caller. 2772 * 2773 * returns: 2774 * 1 if image is of given arch 2775 * 0 otherwise (or on error) 2776 */ 2777 int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) 2778 { 2779 uint8_t image_arch; 2780 2781 if (fit_image_get_arch (fit, noffset, &image_arch)) 2782 return 0; 2783 return (arch == image_arch); 2784 } 2785 2786 /** 2787 * fit_image_check_type - check whether image node is of a given type 2788 * @fit: pointer to the FIT format image header 2789 * @noffset: component image node offset 2790 * @type: requested image type 2791 * 2792 * fit_image_check_type() reads image type property and compares its numeric 2793 * id with the requested type. Comparison result is returned to the caller. 2794 * 2795 * returns: 2796 * 1 if image is of given type 2797 * 0 otherwise (or on error) 2798 */ 2799 int fit_image_check_type (const void *fit, int noffset, uint8_t type) 2800 { 2801 uint8_t image_type; 2802 2803 if (fit_image_get_type (fit, noffset, &image_type)) 2804 return 0; 2805 return (type == image_type); 2806 } 2807 2808 /** 2809 * fit_image_check_comp - check whether image node uses given compression 2810 * @fit: pointer to the FIT format image header 2811 * @noffset: component image node offset 2812 * @comp: requested image compression type 2813 * 2814 * fit_image_check_comp() reads image compression property and compares its 2815 * numeric id with the requested compression type. Comparison result is 2816 * returned to the caller. 2817 * 2818 * returns: 2819 * 1 if image uses requested compression 2820 * 0 otherwise (or on error) 2821 */ 2822 int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) 2823 { 2824 uint8_t image_comp; 2825 2826 if (fit_image_get_comp (fit, noffset, &image_comp)) 2827 return 0; 2828 return (comp == image_comp); 2829 } 2830 2831 /** 2832 * fit_check_format - sanity check FIT image format 2833 * @fit: pointer to the FIT format image header 2834 * 2835 * fit_check_format() runs a basic sanity FIT image verification. 2836 * Routine checks for mandatory properties, nodes, etc. 2837 * 2838 * returns: 2839 * 1, on success 2840 * 0, on failure 2841 */ 2842 int fit_check_format (const void *fit) 2843 { 2844 /* mandatory / node 'description' property */ 2845 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2846 debug ("Wrong FIT format: no description\n"); 2847 return 0; 2848 } 2849 2850 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2851 /* mandatory / node 'timestamp' property */ 2852 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2853 debug ("Wrong FIT format: no timestamp\n"); 2854 return 0; 2855 } 2856 #endif 2857 2858 /* mandatory subimages parent '/images' node */ 2859 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { 2860 debug ("Wrong FIT format: no images parent node\n"); 2861 return 0; 2862 } 2863 2864 return 1; 2865 } 2866 2867 /** 2868 * fit_conf_get_node - get node offset for configuration of a given unit name 2869 * @fit: pointer to the FIT format image header 2870 * @conf_uname: configuration node unit name 2871 * 2872 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2873 * parant node) of a provided unit name. If configuration is found its node offset 2874 * is returned to the caller. 2875 * 2876 * When NULL is provided in second argument fit_conf_get_node() will search 2877 * for a default configuration node instead. Default configuration node unit name 2878 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2879 * 2880 * returns: 2881 * configuration node offset when found (>=0) 2882 * negative number on failure (FDT_ERR_* code) 2883 */ 2884 int fit_conf_get_node (const void *fit, const char *conf_uname) 2885 { 2886 int noffset, confs_noffset; 2887 int len; 2888 2889 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 2890 if (confs_noffset < 0) { 2891 debug ("Can't find configurations parent node '%s' (%s)\n", 2892 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 2893 return confs_noffset; 2894 } 2895 2896 if (conf_uname == NULL) { 2897 /* get configuration unit name from the default property */ 2898 debug ("No configuration specified, trying default...\n"); 2899 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); 2900 if (conf_uname == NULL) { 2901 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); 2902 return len; 2903 } 2904 debug ("Found default configuration: '%s'\n", conf_uname); 2905 } 2906 2907 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); 2908 if (noffset < 0) { 2909 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", 2910 conf_uname, fdt_strerror (noffset)); 2911 } 2912 2913 return noffset; 2914 } 2915 2916 static int __fit_conf_get_prop_node (const void *fit, int noffset, 2917 const char *prop_name) 2918 { 2919 char *uname; 2920 int len; 2921 2922 /* get kernel image unit name from configuration kernel property */ 2923 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); 2924 if (uname == NULL) 2925 return len; 2926 2927 return fit_image_get_node (fit, uname); 2928 } 2929 2930 /** 2931 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 2932 * a given configuration 2933 * @fit: pointer to the FIT format image header 2934 * @noffset: configuration node offset 2935 * 2936 * fit_conf_get_kernel_node() retrives kernel image node unit name from 2937 * configuration FIT_KERNEL_PROP property and translates it to the node 2938 * offset. 2939 * 2940 * returns: 2941 * image node offset when found (>=0) 2942 * negative number on failure (FDT_ERR_* code) 2943 */ 2944 int fit_conf_get_kernel_node (const void *fit, int noffset) 2945 { 2946 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); 2947 } 2948 2949 /** 2950 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 2951 * a given configuration 2952 * @fit: pointer to the FIT format image header 2953 * @noffset: configuration node offset 2954 * 2955 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 2956 * configuration FIT_KERNEL_PROP property and translates it to the node 2957 * offset. 2958 * 2959 * returns: 2960 * image node offset when found (>=0) 2961 * negative number on failure (FDT_ERR_* code) 2962 */ 2963 int fit_conf_get_ramdisk_node (const void *fit, int noffset) 2964 { 2965 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); 2966 } 2967 2968 /** 2969 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 2970 * a given configuration 2971 * @fit: pointer to the FIT format image header 2972 * @noffset: configuration node offset 2973 * 2974 * fit_conf_get_fdt_node() retrives fdt image node unit name from 2975 * configuration FIT_KERNEL_PROP property and translates it to the node 2976 * offset. 2977 * 2978 * returns: 2979 * image node offset when found (>=0) 2980 * negative number on failure (FDT_ERR_* code) 2981 */ 2982 int fit_conf_get_fdt_node (const void *fit, int noffset) 2983 { 2984 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); 2985 } 2986 2987 /** 2988 * fit_conf_print - prints out the FIT configuration details 2989 * @fit: pointer to the FIT format image header 2990 * @noffset: offset of the configuration node 2991 * @p: pointer to prefix string 2992 * 2993 * fit_conf_print() lists all mandatory properies for the processed 2994 * configuration node. 2995 * 2996 * returns: 2997 * no returned results 2998 */ 2999 void fit_conf_print (const void *fit, int noffset, const char *p) 3000 { 3001 char *desc; 3002 char *uname; 3003 int ret; 3004 3005 /* Mandatory properties */ 3006 ret = fit_get_desc (fit, noffset, &desc); 3007 printf ("%s Description: ", p); 3008 if (ret) 3009 printf ("unavailable\n"); 3010 else 3011 printf ("%s\n", desc); 3012 3013 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); 3014 printf ("%s Kernel: ", p); 3015 if (uname == NULL) 3016 printf ("unavailable\n"); 3017 else 3018 printf ("%s\n", uname); 3019 3020 /* Optional properties */ 3021 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); 3022 if (uname) 3023 printf ("%s Init Ramdisk: %s\n", p, uname); 3024 3025 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); 3026 if (uname) 3027 printf ("%s FDT: %s\n", p, uname); 3028 } 3029 3030 /** 3031 * fit_check_ramdisk - verify FIT format ramdisk subimage 3032 * @fit_hdr: pointer to the FIT ramdisk header 3033 * @rd_noffset: ramdisk subimage node offset within FIT image 3034 * @arch: requested ramdisk image architecture type 3035 * @verify: data CRC verification flag 3036 * 3037 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 3038 * specified FIT image. 3039 * 3040 * returns: 3041 * 1, on success 3042 * 0, on failure 3043 */ 3044 #ifndef USE_HOSTCC 3045 static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) 3046 { 3047 fit_image_print (fit, rd_noffset, " "); 3048 3049 if (verify) { 3050 puts (" Verifying Hash Integrity ... "); 3051 if (!fit_image_check_hashes (fit, rd_noffset)) { 3052 puts ("Bad Data Hash\n"); 3053 show_boot_progress (-125); 3054 return 0; 3055 } 3056 puts ("OK\n"); 3057 } 3058 3059 show_boot_progress (126); 3060 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || 3061 !fit_image_check_arch (fit, rd_noffset, arch) || 3062 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { 3063 printf ("No Linux %s Ramdisk Image\n", 3064 genimg_get_arch_name(arch)); 3065 show_boot_progress (-126); 3066 return 0; 3067 } 3068 3069 show_boot_progress (127); 3070 return 1; 3071 } 3072 #endif /* USE_HOSTCC */ 3073 #endif /* CONFIG_FIT */ 3074