1 /* 2 * (C) Copyright 2008 Semihalf 3 * 4 * (C) Copyright 2000-2006 5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 6 * 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 #ifndef USE_HOSTCC 27 #include <common.h> 28 #include <watchdog.h> 29 30 #ifdef CONFIG_SHOW_BOOT_PROGRESS 31 #include <status_led.h> 32 #endif 33 34 #ifdef CONFIG_HAS_DATAFLASH 35 #include <dataflash.h> 36 #endif 37 38 #ifdef CONFIG_LOGBUFFER 39 #include <logbuff.h> 40 #endif 41 42 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) 43 #include <rtc.h> 44 #endif 45 46 #include <image.h> 47 48 #if defined(CONFIG_FIT) || defined (CONFIG_OF_LIBFDT) 49 #include <fdt.h> 50 #include <libfdt.h> 51 #include <fdt_support.h> 52 #endif 53 54 #if defined(CONFIG_FIT) 55 #include <u-boot/md5.h> 56 #include <sha1.h> 57 58 static int fit_check_ramdisk (const void *fit, int os_noffset, 59 uint8_t arch, int verify); 60 #endif 61 62 #ifdef CONFIG_CMD_BDI 63 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); 64 #endif 65 66 DECLARE_GLOBAL_DATA_PTR; 67 68 static const image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, 69 int verify); 70 #else 71 #include "mkimage.h" 72 #include <u-boot/md5.h> 73 #include <time.h> 74 #include <image.h> 75 #endif /* !USE_HOSTCC*/ 76 77 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 (const 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 (const 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 (const 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 (const 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 (const 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 * @ptr: 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 (const void *ptr) 300 { 301 const image_header_t *hdr = (const image_header_t *)ptr; 302 const char *p; 303 304 #ifdef USE_HOSTCC 305 p = ""; 306 #else 307 p = " "; 308 #endif 309 310 printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); 311 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 312 printf ("%sCreated: ", p); 313 genimg_print_time ((time_t)image_get_time (hdr)); 314 #endif 315 printf ("%sImage Type: ", p); 316 image_print_type (hdr); 317 printf ("%sData Size: ", p); 318 genimg_print_size (image_get_data_size (hdr)); 319 printf ("%sLoad Address: %08x\n", p, image_get_load (hdr)); 320 printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr)); 321 322 if (image_check_type (hdr, IH_TYPE_MULTI) || 323 image_check_type (hdr, IH_TYPE_SCRIPT)) { 324 int i; 325 ulong data, len; 326 ulong count = image_multi_count (hdr); 327 328 printf ("%sContents:\n", p); 329 for (i = 0; i < count; i++) { 330 image_multi_getimg (hdr, i, &data, &len); 331 332 printf ("%s Image %d: ", p, i); 333 genimg_print_size (len); 334 335 if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { 336 /* 337 * the user may need to know offsets 338 * if planning to do something with 339 * multiple files 340 */ 341 printf ("%s Offset = 0x%08lx\n", p, data); 342 } 343 } 344 } 345 } 346 347 348 #ifndef USE_HOSTCC 349 /** 350 * image_get_ramdisk - get and verify ramdisk image 351 * @rd_addr: ramdisk image start address 352 * @arch: expected ramdisk architecture 353 * @verify: checksum verification flag 354 * 355 * image_get_ramdisk() returns a pointer to the verified ramdisk image 356 * header. Routine receives image start address and expected architecture 357 * flag. Verification done covers data and header integrity and os/type/arch 358 * fields checking. 359 * 360 * If dataflash support is enabled routine checks for dataflash addresses 361 * and handles required dataflash reads. 362 * 363 * returns: 364 * pointer to a ramdisk image header, if image was found and valid 365 * otherwise, return NULL 366 */ 367 static const image_header_t *image_get_ramdisk (ulong rd_addr, uint8_t arch, 368 int verify) 369 { 370 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 371 372 if (!image_check_magic (rd_hdr)) { 373 puts ("Bad Magic Number\n"); 374 show_boot_progress (-10); 375 return NULL; 376 } 377 378 if (!image_check_hcrc (rd_hdr)) { 379 puts ("Bad Header Checksum\n"); 380 show_boot_progress (-11); 381 return NULL; 382 } 383 384 show_boot_progress (10); 385 image_print_contents (rd_hdr); 386 387 if (verify) { 388 puts(" Verifying Checksum ... "); 389 if (!image_check_dcrc (rd_hdr)) { 390 puts ("Bad Data CRC\n"); 391 show_boot_progress (-12); 392 return NULL; 393 } 394 puts("OK\n"); 395 } 396 397 show_boot_progress (11); 398 399 if (!image_check_os (rd_hdr, IH_OS_LINUX) || 400 !image_check_arch (rd_hdr, arch) || 401 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { 402 printf ("No Linux %s Ramdisk Image\n", 403 genimg_get_arch_name(arch)); 404 show_boot_progress (-13); 405 return NULL; 406 } 407 408 return rd_hdr; 409 } 410 #endif /* !USE_HOSTCC */ 411 412 /*****************************************************************************/ 413 /* Shared dual-format routines */ 414 /*****************************************************************************/ 415 #ifndef USE_HOSTCC 416 int getenv_yesno (char *var) 417 { 418 char *s = getenv (var); 419 return (s && (*s == 'n')) ? 0 : 1; 420 } 421 422 ulong getenv_bootm_low(void) 423 { 424 char *s = getenv ("bootm_low"); 425 if (s) { 426 ulong tmp = simple_strtoul (s, NULL, 16); 427 return tmp; 428 } 429 430 #if defined(CONFIG_SYS_SDRAM_BASE) 431 return CONFIG_SYS_SDRAM_BASE; 432 #elif defined(CONFIG_ARM) 433 return gd->bd->bi_dram[0].start; 434 #else 435 return 0; 436 #endif 437 } 438 439 phys_size_t getenv_bootm_size(void) 440 { 441 char *s = getenv ("bootm_size"); 442 if (s) { 443 phys_size_t tmp; 444 #ifdef CONFIG_SYS_64BIT_STRTOUL 445 tmp = (phys_size_t)simple_strtoull (s, NULL, 16); 446 #else 447 tmp = (phys_size_t)simple_strtoul (s, NULL, 16); 448 #endif 449 return tmp; 450 } 451 452 #if defined(CONFIG_ARM) 453 return gd->bd->bi_dram[0].size; 454 #else 455 return gd->bd->bi_memsize; 456 #endif 457 } 458 459 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 460 { 461 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 462 while (len > 0) { 463 size_t tail = (len > chunksz) ? chunksz : len; 464 WATCHDOG_RESET (); 465 memmove (to, from, tail); 466 to += tail; 467 from += tail; 468 len -= tail; 469 } 470 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 471 memmove (to, from, len); 472 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 473 } 474 #endif /* !USE_HOSTCC */ 475 476 static void genimg_print_size (uint32_t size) 477 { 478 #ifndef USE_HOSTCC 479 printf ("%d Bytes = ", size); 480 print_size (size, "\n"); 481 #else 482 printf ("%d Bytes = %.2f kB = %.2f MB\n", 483 size, (double)size / 1.024e3, 484 (double)size / 1.048576e6); 485 #endif 486 } 487 488 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 489 static void genimg_print_time (time_t timestamp) 490 { 491 #ifndef USE_HOSTCC 492 struct rtc_time tm; 493 494 to_tm (timestamp, &tm); 495 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 496 tm.tm_year, tm.tm_mon, tm.tm_mday, 497 tm.tm_hour, tm.tm_min, tm.tm_sec); 498 #else 499 printf ("%s", ctime(×tamp)); 500 #endif 501 } 502 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 503 504 /** 505 * get_table_entry_name - translate entry id to long name 506 * @table: pointer to a translation table for entries of a specific type 507 * @msg: message to be returned when translation fails 508 * @id: entry id to be translated 509 * 510 * get_table_entry_name() will go over translation table trying to find 511 * entry that matches given id. If matching entry is found, its long 512 * name is returned to the caller. 513 * 514 * returns: 515 * long entry name if translation succeeds 516 * msg otherwise 517 */ 518 static char *get_table_entry_name (table_entry_t *table, char *msg, int id) 519 { 520 for (; table->id >= 0; ++table) { 521 if (table->id == id) 522 #ifdef USE_HOSTCC 523 return table->lname; 524 #else 525 return table->lname + gd->reloc_off; 526 #endif 527 } 528 return (msg); 529 } 530 531 const char *genimg_get_os_name (uint8_t os) 532 { 533 return (get_table_entry_name (uimage_os, "Unknown OS", os)); 534 } 535 536 const char *genimg_get_arch_name (uint8_t arch) 537 { 538 return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); 539 } 540 541 const char *genimg_get_type_name (uint8_t type) 542 { 543 return (get_table_entry_name (uimage_type, "Unknown Image", type)); 544 } 545 546 const char *genimg_get_comp_name (uint8_t comp) 547 { 548 return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); 549 } 550 551 /** 552 * get_table_entry_id - translate short entry name to id 553 * @table: pointer to a translation table for entries of a specific type 554 * @table_name: to be used in case of error 555 * @name: entry short name to be translated 556 * 557 * get_table_entry_id() will go over translation table trying to find 558 * entry that matches given short name. If matching entry is found, 559 * its id returned to the caller. 560 * 561 * returns: 562 * entry id if translation succeeds 563 * -1 otherwise 564 */ 565 static int get_table_entry_id (table_entry_t *table, 566 const char *table_name, const char *name) 567 { 568 table_entry_t *t; 569 #ifdef USE_HOSTCC 570 int first = 1; 571 572 for (t = table; t->id >= 0; ++t) { 573 if (t->sname && strcasecmp(t->sname, name) == 0) 574 return (t->id); 575 } 576 577 fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); 578 for (t = table; t->id >= 0; ++t) { 579 if (t->sname == NULL) 580 continue; 581 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); 582 first = 0; 583 } 584 fprintf (stderr, "\n"); 585 #else 586 for (t = table; t->id >= 0; ++t) { 587 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) 588 return (t->id); 589 } 590 debug ("Invalid %s Type: %s\n", table_name, name); 591 #endif /* USE_HOSTCC */ 592 return (-1); 593 } 594 595 int genimg_get_os_id (const char *name) 596 { 597 return (get_table_entry_id (uimage_os, "OS", name)); 598 } 599 600 int genimg_get_arch_id (const char *name) 601 { 602 return (get_table_entry_id (uimage_arch, "CPU", name)); 603 } 604 605 int genimg_get_type_id (const char *name) 606 { 607 return (get_table_entry_id (uimage_type, "Image", name)); 608 } 609 610 int genimg_get_comp_id (const char *name) 611 { 612 return (get_table_entry_id (uimage_comp, "Compression", name)); 613 } 614 615 #ifndef USE_HOSTCC 616 /** 617 * genimg_get_format - get image format type 618 * @img_addr: image start address 619 * 620 * genimg_get_format() checks whether provided address points to a valid 621 * legacy or FIT image. 622 * 623 * New uImage format and FDT blob are based on a libfdt. FDT blob 624 * may be passed directly or embedded in a FIT image. In both situations 625 * genimg_get_format() must be able to dectect libfdt header. 626 * 627 * returns: 628 * image format type or IMAGE_FORMAT_INVALID if no image is present 629 */ 630 int genimg_get_format (void *img_addr) 631 { 632 ulong format = IMAGE_FORMAT_INVALID; 633 const image_header_t *hdr; 634 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 635 char *fit_hdr; 636 #endif 637 638 hdr = (const image_header_t *)img_addr; 639 if (image_check_magic(hdr)) 640 format = IMAGE_FORMAT_LEGACY; 641 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 642 else { 643 fit_hdr = (char *)img_addr; 644 if (fdt_check_header (fit_hdr) == 0) 645 format = IMAGE_FORMAT_FIT; 646 } 647 #endif 648 649 return format; 650 } 651 652 /** 653 * genimg_get_image - get image from special storage (if necessary) 654 * @img_addr: image start address 655 * 656 * genimg_get_image() checks if provided image start adddress is located 657 * in a dataflash storage. If so, image is moved to a system RAM memory. 658 * 659 * returns: 660 * image start address after possible relocation from special storage 661 */ 662 ulong genimg_get_image (ulong img_addr) 663 { 664 ulong ram_addr = img_addr; 665 666 #ifdef CONFIG_HAS_DATAFLASH 667 ulong h_size, d_size; 668 669 if (addr_dataflash (img_addr)){ 670 /* ger RAM address */ 671 ram_addr = CONFIG_SYS_LOAD_ADDR; 672 673 /* get header size */ 674 h_size = image_get_header_size (); 675 #if defined(CONFIG_FIT) 676 if (sizeof(struct fdt_header) > h_size) 677 h_size = sizeof(struct fdt_header); 678 #endif 679 680 /* read in header */ 681 debug (" Reading image header from dataflash address " 682 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 683 684 read_dataflash (img_addr, h_size, (char *)ram_addr); 685 686 /* get data size */ 687 switch (genimg_get_format ((void *)ram_addr)) { 688 case IMAGE_FORMAT_LEGACY: 689 d_size = image_get_data_size ((const image_header_t *)ram_addr); 690 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", 691 ram_addr, d_size); 692 break; 693 #if defined(CONFIG_FIT) 694 case IMAGE_FORMAT_FIT: 695 d_size = fit_get_size ((const void *)ram_addr) - h_size; 696 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", 697 ram_addr, d_size); 698 break; 699 #endif 700 default: 701 printf (" No valid image found at 0x%08lx\n", img_addr); 702 return ram_addr; 703 } 704 705 /* read in image data */ 706 debug (" Reading image remaining data from dataflash address " 707 "%08lx to RAM address %08lx\n", img_addr + h_size, 708 ram_addr + h_size); 709 710 read_dataflash (img_addr + h_size, d_size, 711 (char *)(ram_addr + h_size)); 712 713 } 714 #endif /* CONFIG_HAS_DATAFLASH */ 715 716 return ram_addr; 717 } 718 719 /** 720 * fit_has_config - check if there is a valid FIT configuration 721 * @images: pointer to the bootm command headers structure 722 * 723 * fit_has_config() checks if there is a FIT configuration in use 724 * (if FTI support is present). 725 * 726 * returns: 727 * 0, no FIT support or no configuration found 728 * 1, configuration found 729 */ 730 int genimg_has_config (bootm_headers_t *images) 731 { 732 #if defined(CONFIG_FIT) 733 if (images->fit_uname_cfg) 734 return 1; 735 #endif 736 return 0; 737 } 738 739 /** 740 * boot_get_ramdisk - main ramdisk handling routine 741 * @argc: command argument count 742 * @argv: command argument list 743 * @images: pointer to the bootm images structure 744 * @arch: expected ramdisk architecture 745 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 746 * @rd_end: pointer to a ulong variable, will hold ramdisk end 747 * 748 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 749 * Curently supported are the following ramdisk sources: 750 * - multicomponent kernel/ramdisk image, 751 * - commandline provided address of decicated ramdisk image. 752 * 753 * returns: 754 * 0, if ramdisk image was found and valid, or skiped 755 * rd_start and rd_end are set to ramdisk start/end addresses if 756 * ramdisk image is found and valid 757 * 758 * 1, if ramdisk image is found but corrupted, or invalid 759 * rd_start and rd_end are set to 0 if no ramdisk exists 760 */ 761 int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images, 762 uint8_t arch, ulong *rd_start, ulong *rd_end) 763 { 764 ulong rd_addr, rd_load; 765 ulong rd_data, rd_len; 766 const image_header_t *rd_hdr; 767 #if defined(CONFIG_FIT) 768 void *fit_hdr; 769 const char *fit_uname_config = NULL; 770 const char *fit_uname_ramdisk = NULL; 771 ulong default_addr; 772 int rd_noffset; 773 int cfg_noffset; 774 const void *data; 775 size_t size; 776 #endif 777 778 *rd_start = 0; 779 *rd_end = 0; 780 781 /* 782 * Look for a '-' which indicates to ignore the 783 * ramdisk argument 784 */ 785 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 786 debug ("## Skipping init Ramdisk\n"); 787 rd_len = rd_data = 0; 788 } else if (argc >= 3 || genimg_has_config (images)) { 789 #if defined(CONFIG_FIT) 790 if (argc >= 3) { 791 /* 792 * If the init ramdisk comes from the FIT image and 793 * the FIT image address is omitted in the command 794 * line argument, try to use os FIT image address or 795 * default load address. 796 */ 797 if (images->fit_uname_os) 798 default_addr = (ulong)images->fit_hdr_os; 799 else 800 default_addr = load_addr; 801 802 if (fit_parse_conf (argv[2], default_addr, 803 &rd_addr, &fit_uname_config)) { 804 debug ("* ramdisk: config '%s' from image at 0x%08lx\n", 805 fit_uname_config, rd_addr); 806 } else if (fit_parse_subimage (argv[2], default_addr, 807 &rd_addr, &fit_uname_ramdisk)) { 808 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", 809 fit_uname_ramdisk, rd_addr); 810 } else 811 #endif 812 { 813 rd_addr = simple_strtoul(argv[2], NULL, 16); 814 debug ("* ramdisk: cmdline image address = 0x%08lx\n", 815 rd_addr); 816 } 817 #if defined(CONFIG_FIT) 818 } else { 819 /* use FIT configuration provided in first bootm 820 * command argument 821 */ 822 rd_addr = (ulong)images->fit_hdr_os; 823 fit_uname_config = images->fit_uname_cfg; 824 debug ("* ramdisk: using config '%s' from image at 0x%08lx\n", 825 fit_uname_config, rd_addr); 826 827 /* 828 * Check whether configuration has ramdisk defined, 829 * if not, don't try to use it, quit silently. 830 */ 831 fit_hdr = (void *)rd_addr; 832 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 833 if (cfg_noffset < 0) { 834 debug ("* ramdisk: no such config\n"); 835 return 1; 836 } 837 838 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 839 if (rd_noffset < 0) { 840 debug ("* ramdisk: no ramdisk in config\n"); 841 return 0; 842 } 843 } 844 #endif 845 846 /* copy from dataflash if needed */ 847 rd_addr = genimg_get_image (rd_addr); 848 849 /* 850 * Check if there is an initrd image at the 851 * address provided in the second bootm argument 852 * check image type, for FIT images get FIT node. 853 */ 854 switch (genimg_get_format ((void *)rd_addr)) { 855 case IMAGE_FORMAT_LEGACY: 856 printf ("## Loading init Ramdisk from Legacy " 857 "Image at %08lx ...\n", rd_addr); 858 859 show_boot_progress (9); 860 rd_hdr = image_get_ramdisk (rd_addr, arch, 861 images->verify); 862 863 if (rd_hdr == NULL) 864 return 1; 865 866 rd_data = image_get_data (rd_hdr); 867 rd_len = image_get_data_size (rd_hdr); 868 rd_load = image_get_load (rd_hdr); 869 break; 870 #if defined(CONFIG_FIT) 871 case IMAGE_FORMAT_FIT: 872 fit_hdr = (void *)rd_addr; 873 printf ("## Loading init Ramdisk from FIT " 874 "Image at %08lx ...\n", rd_addr); 875 876 show_boot_progress (120); 877 if (!fit_check_format (fit_hdr)) { 878 puts ("Bad FIT ramdisk image format!\n"); 879 show_boot_progress (-120); 880 return 1; 881 } 882 show_boot_progress (121); 883 884 if (!fit_uname_ramdisk) { 885 /* 886 * no ramdisk image node unit name, try to get config 887 * node first. If config unit node name is NULL 888 * fit_conf_get_node() will try to find default config node 889 */ 890 show_boot_progress (122); 891 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 892 if (cfg_noffset < 0) { 893 puts ("Could not find configuration node\n"); 894 show_boot_progress (-122); 895 return 1; 896 } 897 fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL); 898 printf (" Using '%s' configuration\n", fit_uname_config); 899 900 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 901 fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); 902 } else { 903 /* get ramdisk component image node offset */ 904 show_boot_progress (123); 905 rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); 906 } 907 if (rd_noffset < 0) { 908 puts ("Could not find subimage node\n"); 909 show_boot_progress (-124); 910 return 1; 911 } 912 913 printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); 914 915 show_boot_progress (125); 916 if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) 917 return 1; 918 919 /* get ramdisk image data address and length */ 920 if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { 921 puts ("Could not find ramdisk subimage data!\n"); 922 show_boot_progress (-127); 923 return 1; 924 } 925 show_boot_progress (128); 926 927 rd_data = (ulong)data; 928 rd_len = size; 929 930 if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { 931 puts ("Can't get ramdisk subimage load address!\n"); 932 show_boot_progress (-129); 933 return 1; 934 } 935 show_boot_progress (129); 936 937 images->fit_hdr_rd = fit_hdr; 938 images->fit_uname_rd = fit_uname_ramdisk; 939 images->fit_noffset_rd = rd_noffset; 940 break; 941 #endif 942 default: 943 puts ("Wrong Ramdisk Image Format\n"); 944 rd_data = rd_len = rd_load = 0; 945 return 1; 946 } 947 948 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 949 /* 950 * We need to copy the ramdisk to SRAM to let Linux boot 951 */ 952 if (rd_data) { 953 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 954 rd_data = rd_load; 955 } 956 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 957 958 } else if (images->legacy_hdr_valid && 959 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 960 /* 961 * Now check if we have a legacy mult-component image, 962 * get second entry data start address and len. 963 */ 964 show_boot_progress (13); 965 printf ("## Loading init Ramdisk from multi component " 966 "Legacy Image at %08lx ...\n", 967 (ulong)images->legacy_hdr_os); 968 969 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 970 } else { 971 /* 972 * no initrd image 973 */ 974 show_boot_progress (14); 975 rd_len = rd_data = 0; 976 } 977 978 if (!rd_data) { 979 debug ("## No init Ramdisk\n"); 980 } else { 981 *rd_start = rd_data; 982 *rd_end = rd_data + rd_len; 983 } 984 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 985 *rd_start, *rd_end); 986 987 return 0; 988 } 989 990 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) 991 /** 992 * boot_ramdisk_high - relocate init ramdisk 993 * @lmb: pointer to lmb handle, will be used for memory mgmt 994 * @rd_data: ramdisk data start address 995 * @rd_len: ramdisk data length 996 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 997 * start address (after possible relocation) 998 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 999 * end address (after possible relocation) 1000 * 1001 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 1002 * variable and if requested ramdisk data is moved to a specified location. 1003 * 1004 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 1005 * start/end addresses if ramdisk image start and len were provided, 1006 * otherwise set initrd_start and initrd_end set to zeros. 1007 * 1008 * returns: 1009 * 0 - success 1010 * -1 - failure 1011 */ 1012 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 1013 ulong *initrd_start, ulong *initrd_end) 1014 { 1015 char *s; 1016 ulong initrd_high; 1017 int initrd_copy_to_ram = 1; 1018 1019 if ((s = getenv ("initrd_high")) != NULL) { 1020 /* a value of "no" or a similar string will act like 0, 1021 * turning the "load high" feature off. This is intentional. 1022 */ 1023 initrd_high = simple_strtoul (s, NULL, 16); 1024 if (initrd_high == ~0) 1025 initrd_copy_to_ram = 0; 1026 } else { 1027 /* not set, no restrictions to load high */ 1028 initrd_high = ~0; 1029 } 1030 1031 1032 #ifdef CONFIG_LOGBUFFER 1033 /* Prevent initrd from overwriting logbuffer */ 1034 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1035 #endif 1036 1037 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1038 initrd_high, initrd_copy_to_ram); 1039 1040 if (rd_data) { 1041 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1042 debug (" in-place initrd\n"); 1043 *initrd_start = rd_data; 1044 *initrd_end = rd_data + rd_len; 1045 lmb_reserve(lmb, rd_data, rd_len); 1046 } else { 1047 if (initrd_high) 1048 *initrd_start = (ulong)lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 1049 else 1050 *initrd_start = (ulong)lmb_alloc (lmb, rd_len, 0x1000); 1051 1052 if (*initrd_start == 0) { 1053 puts ("ramdisk - allocation error\n"); 1054 goto error; 1055 } 1056 show_boot_progress (12); 1057 1058 *initrd_end = *initrd_start + rd_len; 1059 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 1060 *initrd_start, *initrd_end); 1061 1062 memmove_wd ((void *)*initrd_start, 1063 (void *)rd_data, rd_len, CHUNKSZ); 1064 1065 puts ("OK\n"); 1066 } 1067 } else { 1068 *initrd_start = 0; 1069 *initrd_end = 0; 1070 } 1071 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1072 *initrd_start, *initrd_end); 1073 1074 return 0; 1075 1076 error: 1077 return -1; 1078 } 1079 #endif /* defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) */ 1080 1081 #ifdef CONFIG_OF_LIBFDT 1082 static void fdt_error (const char *msg) 1083 { 1084 puts ("ERROR: "); 1085 puts (msg); 1086 puts (" - must RESET the board to recover.\n"); 1087 } 1088 1089 static const image_header_t *image_get_fdt (ulong fdt_addr) 1090 { 1091 const image_header_t *fdt_hdr = (const image_header_t *)fdt_addr; 1092 1093 image_print_contents (fdt_hdr); 1094 1095 puts (" Verifying Checksum ... "); 1096 if (!image_check_hcrc (fdt_hdr)) { 1097 fdt_error ("fdt header checksum invalid"); 1098 return NULL; 1099 } 1100 1101 if (!image_check_dcrc (fdt_hdr)) { 1102 fdt_error ("fdt checksum invalid"); 1103 return NULL; 1104 } 1105 puts ("OK\n"); 1106 1107 if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) { 1108 fdt_error ("uImage is not a fdt"); 1109 return NULL; 1110 } 1111 if (image_get_comp (fdt_hdr) != IH_COMP_NONE) { 1112 fdt_error ("uImage is compressed"); 1113 return NULL; 1114 } 1115 if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) { 1116 fdt_error ("uImage data is not a fdt"); 1117 return NULL; 1118 } 1119 return fdt_hdr; 1120 } 1121 1122 /** 1123 * fit_check_fdt - verify FIT format FDT subimage 1124 * @fit_hdr: pointer to the FIT header 1125 * fdt_noffset: FDT subimage node offset within FIT image 1126 * @verify: data CRC verification flag 1127 * 1128 * fit_check_fdt() verifies integrity of the FDT subimage and from 1129 * specified FIT image. 1130 * 1131 * returns: 1132 * 1, on success 1133 * 0, on failure 1134 */ 1135 #if defined(CONFIG_FIT) 1136 static int fit_check_fdt (const void *fit, int fdt_noffset, int verify) 1137 { 1138 fit_image_print (fit, fdt_noffset, " "); 1139 1140 if (verify) { 1141 puts (" Verifying Hash Integrity ... "); 1142 if (!fit_image_check_hashes (fit, fdt_noffset)) { 1143 fdt_error ("Bad Data Hash"); 1144 return 0; 1145 } 1146 puts ("OK\n"); 1147 } 1148 1149 if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) { 1150 fdt_error ("Not a FDT image"); 1151 return 0; 1152 } 1153 1154 if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) { 1155 fdt_error ("FDT image is compressed"); 1156 return 0; 1157 } 1158 1159 return 1; 1160 } 1161 #endif /* CONFIG_FIT */ 1162 1163 #ifndef CONFIG_SYS_FDT_PAD 1164 #define CONFIG_SYS_FDT_PAD 0x3000 1165 #endif 1166 1167 /** 1168 * boot_relocate_fdt - relocate flat device tree 1169 * @lmb: pointer to lmb handle, will be used for memory mgmt 1170 * @bootmap_base: base address of the bootmap region 1171 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1172 * @of_size: pointer to a ulong variable, will hold fdt length 1173 * 1174 * boot_relocate_fdt() determines if the of_flat_tree address is within 1175 * the bootmap and if not relocates it into that region 1176 * 1177 * of_flat_tree and of_size are set to final (after relocation) values 1178 * 1179 * returns: 1180 * 0 - success 1181 * 1 - failure 1182 */ 1183 int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base, 1184 char **of_flat_tree, ulong *of_size) 1185 { 1186 char *fdt_blob = *of_flat_tree; 1187 ulong relocate = 0; 1188 ulong of_len = 0; 1189 1190 /* nothing to do */ 1191 if (*of_size == 0) 1192 return 0; 1193 1194 if (fdt_check_header (fdt_blob) != 0) { 1195 fdt_error ("image is not a fdt"); 1196 goto error; 1197 } 1198 1199 #ifndef CONFIG_SYS_NO_FLASH 1200 /* move the blob if it is in flash (set relocate) */ 1201 if (addr2info ((ulong)fdt_blob) != NULL) 1202 relocate = 1; 1203 #endif 1204 1205 /* 1206 * The blob needs to be inside the boot mapping. 1207 */ 1208 if (fdt_blob < (char *)bootmap_base) 1209 relocate = 1; 1210 1211 if ((fdt_blob + *of_size + CONFIG_SYS_FDT_PAD) >= 1212 ((char *)CONFIG_SYS_BOOTMAPSZ + bootmap_base)) 1213 relocate = 1; 1214 1215 /* move flattend device tree if needed */ 1216 if (relocate) { 1217 int err; 1218 ulong of_start = 0; 1219 1220 /* position on a 4K boundary before the alloc_current */ 1221 /* Pad the FDT by a specified amount */ 1222 of_len = *of_size + CONFIG_SYS_FDT_PAD; 1223 of_start = (unsigned long)lmb_alloc_base(lmb, of_len, 0x1000, 1224 (CONFIG_SYS_BOOTMAPSZ + bootmap_base)); 1225 1226 if (of_start == 0) { 1227 puts("device tree - allocation error\n"); 1228 goto error; 1229 } 1230 1231 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", 1232 (ulong)fdt_blob, (ulong)fdt_blob + *of_size - 1, 1233 of_len, of_len); 1234 1235 printf (" Loading Device Tree to %08lx, end %08lx ... ", 1236 of_start, of_start + of_len - 1); 1237 1238 err = fdt_open_into (fdt_blob, (void *)of_start, of_len); 1239 if (err != 0) { 1240 fdt_error ("fdt move failed"); 1241 goto error; 1242 } 1243 puts ("OK\n"); 1244 1245 *of_flat_tree = (char *)of_start; 1246 *of_size = of_len; 1247 } else { 1248 *of_flat_tree = fdt_blob; 1249 of_len = (CONFIG_SYS_BOOTMAPSZ + bootmap_base) - (ulong)fdt_blob; 1250 lmb_reserve(lmb, (ulong)fdt_blob, of_len); 1251 fdt_set_totalsize(*of_flat_tree, of_len); 1252 1253 *of_size = of_len; 1254 } 1255 1256 set_working_fdt_addr(*of_flat_tree); 1257 return 0; 1258 1259 error: 1260 return 1; 1261 } 1262 1263 /** 1264 * boot_get_fdt - main fdt handling routine 1265 * @argc: command argument count 1266 * @argv: command argument list 1267 * @images: pointer to the bootm images structure 1268 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1269 * @of_size: pointer to a ulong variable, will hold fdt length 1270 * 1271 * boot_get_fdt() is responsible for finding a valid flat device tree image. 1272 * Curently supported are the following ramdisk sources: 1273 * - multicomponent kernel/ramdisk image, 1274 * - commandline provided address of decicated ramdisk image. 1275 * 1276 * returns: 1277 * 0, if fdt image was found and valid, or skipped 1278 * of_flat_tree and of_size are set to fdt start address and length if 1279 * fdt image is found and valid 1280 * 1281 * 1, if fdt image is found but corrupted 1282 * of_flat_tree and of_size are set to 0 if no fdt exists 1283 */ 1284 int boot_get_fdt (int flag, int argc, char *argv[], bootm_headers_t *images, 1285 char **of_flat_tree, ulong *of_size) 1286 { 1287 const image_header_t *fdt_hdr; 1288 ulong fdt_addr; 1289 char *fdt_blob = NULL; 1290 ulong image_start, image_end; 1291 ulong load_start, load_end; 1292 #if defined(CONFIG_FIT) 1293 void *fit_hdr; 1294 const char *fit_uname_config = NULL; 1295 const char *fit_uname_fdt = NULL; 1296 ulong default_addr; 1297 int cfg_noffset; 1298 int fdt_noffset; 1299 const void *data; 1300 size_t size; 1301 #endif 1302 1303 *of_flat_tree = NULL; 1304 *of_size = 0; 1305 1306 if (argc > 3 || genimg_has_config (images)) { 1307 #if defined(CONFIG_FIT) 1308 if (argc > 3) { 1309 /* 1310 * If the FDT blob comes from the FIT image and the 1311 * FIT image address is omitted in the command line 1312 * argument, try to use ramdisk or os FIT image 1313 * address or default load address. 1314 */ 1315 if (images->fit_uname_rd) 1316 default_addr = (ulong)images->fit_hdr_rd; 1317 else if (images->fit_uname_os) 1318 default_addr = (ulong)images->fit_hdr_os; 1319 else 1320 default_addr = load_addr; 1321 1322 if (fit_parse_conf (argv[3], default_addr, 1323 &fdt_addr, &fit_uname_config)) { 1324 debug ("* fdt: config '%s' from image at 0x%08lx\n", 1325 fit_uname_config, fdt_addr); 1326 } else if (fit_parse_subimage (argv[3], default_addr, 1327 &fdt_addr, &fit_uname_fdt)) { 1328 debug ("* fdt: subimage '%s' from image at 0x%08lx\n", 1329 fit_uname_fdt, fdt_addr); 1330 } else 1331 #endif 1332 { 1333 fdt_addr = simple_strtoul(argv[3], NULL, 16); 1334 debug ("* fdt: cmdline image address = 0x%08lx\n", 1335 fdt_addr); 1336 } 1337 #if defined(CONFIG_FIT) 1338 } else { 1339 /* use FIT configuration provided in first bootm 1340 * command argument 1341 */ 1342 fdt_addr = (ulong)images->fit_hdr_os; 1343 fit_uname_config = images->fit_uname_cfg; 1344 debug ("* fdt: using config '%s' from image at 0x%08lx\n", 1345 fit_uname_config, fdt_addr); 1346 1347 /* 1348 * Check whether configuration has FDT blob defined, 1349 * if not quit silently. 1350 */ 1351 fit_hdr = (void *)fdt_addr; 1352 cfg_noffset = fit_conf_get_node (fit_hdr, 1353 fit_uname_config); 1354 if (cfg_noffset < 0) { 1355 debug ("* fdt: no such config\n"); 1356 return 0; 1357 } 1358 1359 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1360 cfg_noffset); 1361 if (fdt_noffset < 0) { 1362 debug ("* fdt: no fdt in config\n"); 1363 return 0; 1364 } 1365 } 1366 #endif 1367 1368 debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n", 1369 fdt_addr); 1370 1371 /* copy from dataflash if needed */ 1372 fdt_addr = genimg_get_image (fdt_addr); 1373 1374 /* 1375 * Check if there is an FDT image at the 1376 * address provided in the second bootm argument 1377 * check image type, for FIT images get a FIT node. 1378 */ 1379 switch (genimg_get_format ((void *)fdt_addr)) { 1380 case IMAGE_FORMAT_LEGACY: 1381 /* verify fdt_addr points to a valid image header */ 1382 printf ("## Flattened Device Tree from Legacy Image at %08lx\n", 1383 fdt_addr); 1384 fdt_hdr = image_get_fdt (fdt_addr); 1385 if (!fdt_hdr) 1386 goto error; 1387 1388 /* 1389 * move image data to the load address, 1390 * make sure we don't overwrite initial image 1391 */ 1392 image_start = (ulong)fdt_hdr; 1393 image_end = image_get_image_end (fdt_hdr); 1394 1395 load_start = image_get_load (fdt_hdr); 1396 load_end = load_start + image_get_data_size (fdt_hdr); 1397 1398 if ((load_start < image_end) && (load_end > image_start)) { 1399 fdt_error ("fdt overwritten"); 1400 goto error; 1401 } 1402 1403 debug (" Loading FDT from 0x%08lx to 0x%08lx\n", 1404 image_get_data (fdt_hdr), load_start); 1405 1406 memmove ((void *)load_start, 1407 (void *)image_get_data (fdt_hdr), 1408 image_get_data_size (fdt_hdr)); 1409 1410 fdt_blob = (char *)load_start; 1411 break; 1412 case IMAGE_FORMAT_FIT: 1413 /* 1414 * This case will catch both: new uImage format 1415 * (libfdt based) and raw FDT blob (also libfdt 1416 * based). 1417 */ 1418 #if defined(CONFIG_FIT) 1419 /* check FDT blob vs FIT blob */ 1420 if (fit_check_format ((const void *)fdt_addr)) { 1421 /* 1422 * FIT image 1423 */ 1424 fit_hdr = (void *)fdt_addr; 1425 printf ("## Flattened Device Tree from FIT Image at %08lx\n", 1426 fdt_addr); 1427 1428 if (!fit_uname_fdt) { 1429 /* 1430 * no FDT blob image node unit name, 1431 * try to get config node first. If 1432 * config unit node name is NULL 1433 * fit_conf_get_node() will try to 1434 * find default config node 1435 */ 1436 cfg_noffset = fit_conf_get_node (fit_hdr, 1437 fit_uname_config); 1438 1439 if (cfg_noffset < 0) { 1440 fdt_error ("Could not find configuration node\n"); 1441 goto error; 1442 } 1443 1444 fit_uname_config = fdt_get_name (fit_hdr, 1445 cfg_noffset, NULL); 1446 printf (" Using '%s' configuration\n", 1447 fit_uname_config); 1448 1449 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1450 cfg_noffset); 1451 fit_uname_fdt = fit_get_name (fit_hdr, 1452 fdt_noffset, NULL); 1453 } else { 1454 /* get FDT component image node offset */ 1455 fdt_noffset = fit_image_get_node (fit_hdr, 1456 fit_uname_fdt); 1457 } 1458 if (fdt_noffset < 0) { 1459 fdt_error ("Could not find subimage node\n"); 1460 goto error; 1461 } 1462 1463 printf (" Trying '%s' FDT blob subimage\n", 1464 fit_uname_fdt); 1465 1466 if (!fit_check_fdt (fit_hdr, fdt_noffset, 1467 images->verify)) 1468 goto error; 1469 1470 /* get ramdisk image data address and length */ 1471 if (fit_image_get_data (fit_hdr, fdt_noffset, 1472 &data, &size)) { 1473 fdt_error ("Could not find FDT subimage data"); 1474 goto error; 1475 } 1476 1477 /* verift that image data is a proper FDT blob */ 1478 if (fdt_check_header ((char *)data) != 0) { 1479 fdt_error ("Subimage data is not a FTD"); 1480 goto error; 1481 } 1482 1483 /* 1484 * move image data to the load address, 1485 * make sure we don't overwrite initial image 1486 */ 1487 image_start = (ulong)fit_hdr; 1488 image_end = fit_get_end (fit_hdr); 1489 1490 if (fit_image_get_load (fit_hdr, fdt_noffset, 1491 &load_start) == 0) { 1492 load_end = load_start + size; 1493 1494 if ((load_start < image_end) && 1495 (load_end > image_start)) { 1496 fdt_error ("FDT overwritten"); 1497 goto error; 1498 } 1499 1500 printf (" Loading FDT from 0x%08lx to 0x%08lx\n", 1501 (ulong)data, load_start); 1502 1503 memmove ((void *)load_start, 1504 (void *)data, size); 1505 1506 fdt_blob = (char *)load_start; 1507 } else { 1508 fdt_blob = (char *)data; 1509 } 1510 1511 images->fit_hdr_fdt = fit_hdr; 1512 images->fit_uname_fdt = fit_uname_fdt; 1513 images->fit_noffset_fdt = fdt_noffset; 1514 break; 1515 } else 1516 #endif 1517 { 1518 /* 1519 * FDT blob 1520 */ 1521 fdt_blob = (char *)fdt_addr; 1522 debug ("* fdt: raw FDT blob\n"); 1523 printf ("## Flattened Device Tree blob at %08lx\n", (long)fdt_blob); 1524 } 1525 break; 1526 default: 1527 puts ("ERROR: Did not find a cmdline Flattened Device Tree\n"); 1528 goto error; 1529 } 1530 1531 printf (" Booting using the fdt blob at 0x%x\n", (int)fdt_blob); 1532 1533 } else if (images->legacy_hdr_valid && 1534 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 1535 1536 ulong fdt_data, fdt_len; 1537 1538 /* 1539 * Now check if we have a legacy multi-component image, 1540 * get second entry data start address and len. 1541 */ 1542 printf ("## Flattened Device Tree from multi " 1543 "component Image at %08lX\n", 1544 (ulong)images->legacy_hdr_os); 1545 1546 image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len); 1547 if (fdt_len) { 1548 1549 fdt_blob = (char *)fdt_data; 1550 printf (" Booting using the fdt at 0x%x\n", (int)fdt_blob); 1551 1552 if (fdt_check_header (fdt_blob) != 0) { 1553 fdt_error ("image is not a fdt"); 1554 goto error; 1555 } 1556 1557 if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) { 1558 fdt_error ("fdt size != image size"); 1559 goto error; 1560 } 1561 } else { 1562 debug ("## No Flattened Device Tree\n"); 1563 return 0; 1564 } 1565 } else { 1566 debug ("## No Flattened Device Tree\n"); 1567 return 0; 1568 } 1569 1570 *of_flat_tree = fdt_blob; 1571 *of_size = be32_to_cpu (fdt_totalsize (fdt_blob)); 1572 debug (" of_flat_tree at 0x%08lx size 0x%08lx\n", 1573 (ulong)*of_flat_tree, *of_size); 1574 1575 return 0; 1576 1577 error: 1578 *of_flat_tree = 0; 1579 *of_size = 0; 1580 return 1; 1581 } 1582 #endif /* CONFIG_OF_LIBFDT */ 1583 1584 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) 1585 /** 1586 * boot_get_cmdline - allocate and initialize kernel cmdline 1587 * @lmb: pointer to lmb handle, will be used for memory mgmt 1588 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1589 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1590 * @bootmap_base: ulong variable, holds offset in physical memory to 1591 * base of bootmap 1592 * 1593 * boot_get_cmdline() allocates space for kernel command line below 1594 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 1595 * variable is present its contents is copied to allocated kernel 1596 * command line. 1597 * 1598 * returns: 1599 * 0 - success 1600 * -1 - failure 1601 */ 1602 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 1603 ulong bootmap_base) 1604 { 1605 char *cmdline; 1606 char *s; 1607 1608 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1609 CONFIG_SYS_BOOTMAPSZ + bootmap_base); 1610 1611 if (cmdline == NULL) 1612 return -1; 1613 1614 if ((s = getenv("bootargs")) == NULL) 1615 s = ""; 1616 1617 strcpy(cmdline, s); 1618 1619 *cmd_start = (ulong) & cmdline[0]; 1620 *cmd_end = *cmd_start + strlen(cmdline); 1621 1622 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1623 1624 return 0; 1625 } 1626 1627 /** 1628 * boot_get_kbd - allocate and initialize kernel copy of board info 1629 * @lmb: pointer to lmb handle, will be used for memory mgmt 1630 * @kbd: double pointer to board info data 1631 * @bootmap_base: ulong variable, holds offset in physical memory to 1632 * base of bootmap 1633 * 1634 * boot_get_kbd() allocates space for kernel copy of board info data below 1635 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1636 * the current u-boot board info data. 1637 * 1638 * returns: 1639 * 0 - success 1640 * -1 - failure 1641 */ 1642 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1643 { 1644 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1645 CONFIG_SYS_BOOTMAPSZ + bootmap_base); 1646 if (*kbd == NULL) 1647 return -1; 1648 1649 **kbd = *(gd->bd); 1650 1651 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1652 1653 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1654 do_bdinfo(NULL, 0, 0, NULL); 1655 #endif 1656 1657 return 0; 1658 } 1659 #endif /* CONFIG_PPC || CONFIG_M68K */ 1660 #endif /* !USE_HOSTCC */ 1661 1662 #if defined(CONFIG_FIT) 1663 /*****************************************************************************/ 1664 /* New uImage format routines */ 1665 /*****************************************************************************/ 1666 #ifndef USE_HOSTCC 1667 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1668 ulong *addr, const char **name) 1669 { 1670 const char *sep; 1671 1672 *addr = addr_curr; 1673 *name = NULL; 1674 1675 sep = strchr (spec, sepc); 1676 if (sep) { 1677 if (sep - spec > 0) 1678 *addr = simple_strtoul (spec, NULL, 16); 1679 1680 *name = sep + 1; 1681 return 1; 1682 } 1683 1684 return 0; 1685 } 1686 1687 /** 1688 * fit_parse_conf - parse FIT configuration spec 1689 * @spec: input string, containing configuration spec 1690 * @add_curr: current image address (to be used as a possible default) 1691 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1692 * configuration 1693 * @conf_name double pointer to a char, will hold pointer to a configuration 1694 * unit name 1695 * 1696 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1697 * where <addr> is a FIT image address that contains configuration 1698 * with a <conf> unit name. 1699 * 1700 * Address part is optional, and if omitted default add_curr will 1701 * be used instead. 1702 * 1703 * returns: 1704 * 1 if spec is a valid configuration string, 1705 * addr and conf_name are set accordingly 1706 * 0 otherwise 1707 */ 1708 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1709 ulong *addr, const char **conf_name) 1710 { 1711 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1712 } 1713 1714 /** 1715 * fit_parse_subimage - parse FIT subimage spec 1716 * @spec: input string, containing subimage spec 1717 * @add_curr: current image address (to be used as a possible default) 1718 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1719 * subimage 1720 * @image_name: double pointer to a char, will hold pointer to a subimage name 1721 * 1722 * fit_parse_subimage() expects subimage spec in the for of 1723 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1724 * subimage with a <subimg> unit name. 1725 * 1726 * Address part is optional, and if omitted default add_curr will 1727 * be used instead. 1728 * 1729 * returns: 1730 * 1 if spec is a valid subimage string, 1731 * addr and image_name are set accordingly 1732 * 0 otherwise 1733 */ 1734 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1735 ulong *addr, const char **image_name) 1736 { 1737 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1738 } 1739 #endif /* !USE_HOSTCC */ 1740 1741 static void fit_get_debug (const void *fit, int noffset, 1742 char *prop_name, int err) 1743 { 1744 debug ("Can't get '%s' property from FIT 0x%08lx, " 1745 "node: offset %d, name %s (%s)\n", 1746 prop_name, (ulong)fit, noffset, 1747 fit_get_name (fit, noffset, NULL), 1748 fdt_strerror (err)); 1749 } 1750 1751 /** 1752 * fit_print_contents - prints out the contents of the FIT format image 1753 * @fit: pointer to the FIT format image header 1754 * @p: pointer to prefix string 1755 * 1756 * fit_print_contents() formats a multi line FIT image contents description. 1757 * The routine prints out FIT image properties (root node level) follwed by 1758 * the details of each component image. 1759 * 1760 * returns: 1761 * no returned results 1762 */ 1763 void fit_print_contents (const void *fit) 1764 { 1765 char *desc; 1766 char *uname; 1767 int images_noffset; 1768 int confs_noffset; 1769 int noffset; 1770 int ndepth; 1771 int count = 0; 1772 int ret; 1773 const char *p; 1774 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1775 time_t timestamp; 1776 #endif 1777 1778 #ifdef USE_HOSTCC 1779 p = ""; 1780 #else 1781 p = " "; 1782 #endif 1783 1784 /* Root node properties */ 1785 ret = fit_get_desc (fit, 0, &desc); 1786 printf ("%sFIT description: ", p); 1787 if (ret) 1788 printf ("unavailable\n"); 1789 else 1790 printf ("%s\n", desc); 1791 1792 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1793 ret = fit_get_timestamp (fit, 0, ×tamp); 1794 printf ("%sCreated: ", p); 1795 if (ret) 1796 printf ("unavailable\n"); 1797 else 1798 genimg_print_time (timestamp); 1799 #endif 1800 1801 /* Find images parent node offset */ 1802 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1803 if (images_noffset < 0) { 1804 printf ("Can't find images parent node '%s' (%s)\n", 1805 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1806 return; 1807 } 1808 1809 /* Process its subnodes, print out component images details */ 1810 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1811 (noffset >= 0) && (ndepth > 0); 1812 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1813 if (ndepth == 1) { 1814 /* 1815 * Direct child node of the images parent node, 1816 * i.e. component image node. 1817 */ 1818 printf ("%s Image %u (%s)\n", p, count++, 1819 fit_get_name(fit, noffset, NULL)); 1820 1821 fit_image_print (fit, noffset, p); 1822 } 1823 } 1824 1825 /* Find configurations parent node offset */ 1826 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 1827 if (confs_noffset < 0) { 1828 debug ("Can't get configurations parent node '%s' (%s)\n", 1829 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 1830 return; 1831 } 1832 1833 /* get default configuration unit name from default property */ 1834 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); 1835 if (uname) 1836 printf ("%s Default Configuration: '%s'\n", p, uname); 1837 1838 /* Process its subnodes, print out configurations details */ 1839 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); 1840 (noffset >= 0) && (ndepth > 0); 1841 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1842 if (ndepth == 1) { 1843 /* 1844 * Direct child node of the configurations parent node, 1845 * i.e. configuration node. 1846 */ 1847 printf ("%s Configuration %u (%s)\n", p, count++, 1848 fit_get_name(fit, noffset, NULL)); 1849 1850 fit_conf_print (fit, noffset, p); 1851 } 1852 } 1853 } 1854 1855 /** 1856 * fit_image_print - prints out the FIT component image details 1857 * @fit: pointer to the FIT format image header 1858 * @image_noffset: offset of the component image node 1859 * @p: pointer to prefix string 1860 * 1861 * fit_image_print() lists all mandatory properies for the processed component 1862 * image. If present, hash nodes are printed out as well. Load 1863 * address for images of type firmware is also printed out. Since the load 1864 * address is not mandatory for firmware images, it will be output as 1865 * "unavailable" when not present. 1866 * 1867 * returns: 1868 * no returned results 1869 */ 1870 void fit_image_print (const void *fit, int image_noffset, const char *p) 1871 { 1872 char *desc; 1873 uint8_t type, arch, os, comp; 1874 size_t size; 1875 ulong load, entry; 1876 const void *data; 1877 int noffset; 1878 int ndepth; 1879 int ret; 1880 1881 /* Mandatory properties */ 1882 ret = fit_get_desc (fit, image_noffset, &desc); 1883 printf ("%s Description: ", p); 1884 if (ret) 1885 printf ("unavailable\n"); 1886 else 1887 printf ("%s\n", desc); 1888 1889 fit_image_get_type (fit, image_noffset, &type); 1890 printf ("%s Type: %s\n", p, genimg_get_type_name (type)); 1891 1892 fit_image_get_comp (fit, image_noffset, &comp); 1893 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); 1894 1895 ret = fit_image_get_data (fit, image_noffset, &data, &size); 1896 1897 #ifndef USE_HOSTCC 1898 printf ("%s Data Start: ", p); 1899 if (ret) 1900 printf ("unavailable\n"); 1901 else 1902 printf ("0x%08lx\n", (ulong)data); 1903 #endif 1904 1905 printf ("%s Data Size: ", p); 1906 if (ret) 1907 printf ("unavailable\n"); 1908 else 1909 genimg_print_size (size); 1910 1911 /* Remaining, type dependent properties */ 1912 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1913 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 1914 (type == IH_TYPE_FLATDT)) { 1915 fit_image_get_arch (fit, image_noffset, &arch); 1916 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); 1917 } 1918 1919 if (type == IH_TYPE_KERNEL) { 1920 fit_image_get_os (fit, image_noffset, &os); 1921 printf ("%s OS: %s\n", p, genimg_get_os_name (os)); 1922 } 1923 1924 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1925 (type == IH_TYPE_FIRMWARE)) { 1926 ret = fit_image_get_load (fit, image_noffset, &load); 1927 printf ("%s Load Address: ", p); 1928 if (ret) 1929 printf ("unavailable\n"); 1930 else 1931 printf ("0x%08lx\n", load); 1932 } 1933 1934 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 1935 fit_image_get_entry (fit, image_noffset, &entry); 1936 printf ("%s Entry Point: ", p); 1937 if (ret) 1938 printf ("unavailable\n"); 1939 else 1940 printf ("0x%08lx\n", entry); 1941 } 1942 1943 /* Process all hash subnodes of the component image node */ 1944 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1945 (noffset >= 0) && (ndepth > 0); 1946 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1947 if (ndepth == 1) { 1948 /* Direct child node of the component image node */ 1949 fit_image_print_hash (fit, noffset, p); 1950 } 1951 } 1952 } 1953 1954 /** 1955 * fit_image_print_hash - prints out the hash node details 1956 * @fit: pointer to the FIT format image header 1957 * @noffset: offset of the hash node 1958 * @p: pointer to prefix string 1959 * 1960 * fit_image_print_hash() lists properies for the processed hash node 1961 * 1962 * returns: 1963 * no returned results 1964 */ 1965 void fit_image_print_hash (const void *fit, int noffset, const char *p) 1966 { 1967 char *algo; 1968 uint8_t *value; 1969 int value_len; 1970 int i, ret; 1971 1972 /* 1973 * Check subnode name, must be equal to "hash". 1974 * Multiple hash nodes require unique unit node 1975 * names, e.g. hash@1, hash@2, etc. 1976 */ 1977 if (strncmp (fit_get_name(fit, noffset, NULL), 1978 FIT_HASH_NODENAME, 1979 strlen(FIT_HASH_NODENAME)) != 0) 1980 return; 1981 1982 debug ("%s Hash node: '%s'\n", p, 1983 fit_get_name (fit, noffset, NULL)); 1984 1985 printf ("%s Hash algo: ", p); 1986 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1987 printf ("invalid/unsupported\n"); 1988 return; 1989 } 1990 printf ("%s\n", algo); 1991 1992 ret = fit_image_hash_get_value (fit, noffset, &value, 1993 &value_len); 1994 printf ("%s Hash value: ", p); 1995 if (ret) { 1996 printf ("unavailable\n"); 1997 } else { 1998 for (i = 0; i < value_len; i++) 1999 printf ("%02x", value[i]); 2000 printf ("\n"); 2001 } 2002 2003 debug ("%s Hash len: %d\n", p, value_len); 2004 } 2005 2006 /** 2007 * fit_get_desc - get node description property 2008 * @fit: pointer to the FIT format image header 2009 * @noffset: node offset 2010 * @desc: double pointer to the char, will hold pointer to the descrption 2011 * 2012 * fit_get_desc() reads description property from a given node, if 2013 * description is found pointer to it is returened in third call argument. 2014 * 2015 * returns: 2016 * 0, on success 2017 * -1, on failure 2018 */ 2019 int fit_get_desc (const void *fit, int noffset, char **desc) 2020 { 2021 int len; 2022 2023 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); 2024 if (*desc == NULL) { 2025 fit_get_debug (fit, noffset, FIT_DESC_PROP, len); 2026 return -1; 2027 } 2028 2029 return 0; 2030 } 2031 2032 /** 2033 * fit_get_timestamp - get node timestamp property 2034 * @fit: pointer to the FIT format image header 2035 * @noffset: node offset 2036 * @timestamp: pointer to the time_t, will hold read timestamp 2037 * 2038 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 2039 * is found and has a correct size its value is retured in third call 2040 * argument. 2041 * 2042 * returns: 2043 * 0, on success 2044 * -1, on property read failure 2045 * -2, on wrong timestamp size 2046 */ 2047 int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) 2048 { 2049 int len; 2050 const void *data; 2051 2052 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); 2053 if (data == NULL) { 2054 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); 2055 return -1; 2056 } 2057 if (len != sizeof (uint32_t)) { 2058 debug ("FIT timestamp with incorrect size of (%u)\n", len); 2059 return -2; 2060 } 2061 2062 *timestamp = uimage_to_cpu (*((uint32_t *)data)); 2063 return 0; 2064 } 2065 2066 /** 2067 * fit_image_get_node - get node offset for component image of a given unit name 2068 * @fit: pointer to the FIT format image header 2069 * @image_uname: component image node unit name 2070 * 2071 * fit_image_get_node() finds a component image (withing the '/images' 2072 * node) of a provided unit name. If image is found its node offset is 2073 * returned to the caller. 2074 * 2075 * returns: 2076 * image node offset when found (>=0) 2077 * negative number on failure (FDT_ERR_* code) 2078 */ 2079 int fit_image_get_node (const void *fit, const char *image_uname) 2080 { 2081 int noffset, images_noffset; 2082 2083 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2084 if (images_noffset < 0) { 2085 debug ("Can't find images parent node '%s' (%s)\n", 2086 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2087 return images_noffset; 2088 } 2089 2090 noffset = fdt_subnode_offset (fit, images_noffset, image_uname); 2091 if (noffset < 0) { 2092 debug ("Can't get node offset for image unit name: '%s' (%s)\n", 2093 image_uname, fdt_strerror (noffset)); 2094 } 2095 2096 return noffset; 2097 } 2098 2099 /** 2100 * fit_image_get_os - get os id for a given component image node 2101 * @fit: pointer to the FIT format image header 2102 * @noffset: component image node offset 2103 * @os: pointer to the uint8_t, will hold os numeric id 2104 * 2105 * fit_image_get_os() finds os property in a given component image node. 2106 * If the property is found, its (string) value is translated to the numeric 2107 * id which is returned to the caller. 2108 * 2109 * returns: 2110 * 0, on success 2111 * -1, on failure 2112 */ 2113 int fit_image_get_os (const void *fit, int noffset, uint8_t *os) 2114 { 2115 int len; 2116 const void *data; 2117 2118 /* Get OS name from property data */ 2119 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); 2120 if (data == NULL) { 2121 fit_get_debug (fit, noffset, FIT_OS_PROP, len); 2122 *os = -1; 2123 return -1; 2124 } 2125 2126 /* Translate OS name to id */ 2127 *os = genimg_get_os_id (data); 2128 return 0; 2129 } 2130 2131 /** 2132 * fit_image_get_arch - get arch id for a given component image node 2133 * @fit: pointer to the FIT format image header 2134 * @noffset: component image node offset 2135 * @arch: pointer to the uint8_t, will hold arch numeric id 2136 * 2137 * fit_image_get_arch() finds arch property in a given component image node. 2138 * If the property is found, its (string) value is translated to the numeric 2139 * id which is returned to the caller. 2140 * 2141 * returns: 2142 * 0, on success 2143 * -1, on failure 2144 */ 2145 int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) 2146 { 2147 int len; 2148 const void *data; 2149 2150 /* Get architecture name from property data */ 2151 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); 2152 if (data == NULL) { 2153 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); 2154 *arch = -1; 2155 return -1; 2156 } 2157 2158 /* Translate architecture name to id */ 2159 *arch = genimg_get_arch_id (data); 2160 return 0; 2161 } 2162 2163 /** 2164 * fit_image_get_type - get type id for a given component image node 2165 * @fit: pointer to the FIT format image header 2166 * @noffset: component image node offset 2167 * @type: pointer to the uint8_t, will hold type numeric id 2168 * 2169 * fit_image_get_type() finds type property in a given component image node. 2170 * If the property is found, its (string) value is translated to the numeric 2171 * id which is returned to the caller. 2172 * 2173 * returns: 2174 * 0, on success 2175 * -1, on failure 2176 */ 2177 int fit_image_get_type (const void *fit, int noffset, uint8_t *type) 2178 { 2179 int len; 2180 const void *data; 2181 2182 /* Get image type name from property data */ 2183 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); 2184 if (data == NULL) { 2185 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); 2186 *type = -1; 2187 return -1; 2188 } 2189 2190 /* Translate image type name to id */ 2191 *type = genimg_get_type_id (data); 2192 return 0; 2193 } 2194 2195 /** 2196 * fit_image_get_comp - get comp id for a given component image node 2197 * @fit: pointer to the FIT format image header 2198 * @noffset: component image node offset 2199 * @comp: pointer to the uint8_t, will hold comp numeric id 2200 * 2201 * fit_image_get_comp() finds comp property in a given component image node. 2202 * If the property is found, its (string) value is translated to the numeric 2203 * id which is returned to the caller. 2204 * 2205 * returns: 2206 * 0, on success 2207 * -1, on failure 2208 */ 2209 int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) 2210 { 2211 int len; 2212 const void *data; 2213 2214 /* Get compression name from property data */ 2215 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); 2216 if (data == NULL) { 2217 fit_get_debug (fit, noffset, FIT_COMP_PROP, len); 2218 *comp = -1; 2219 return -1; 2220 } 2221 2222 /* Translate compression name to id */ 2223 *comp = genimg_get_comp_id (data); 2224 return 0; 2225 } 2226 2227 /** 2228 * fit_image_get_load - get load address property for a given component image node 2229 * @fit: pointer to the FIT format image header 2230 * @noffset: component image node offset 2231 * @load: pointer to the uint32_t, will hold load address 2232 * 2233 * fit_image_get_load() finds load address property in a given component image node. 2234 * If the property is found, its value is returned to the caller. 2235 * 2236 * returns: 2237 * 0, on success 2238 * -1, on failure 2239 */ 2240 int fit_image_get_load (const void *fit, int noffset, ulong *load) 2241 { 2242 int len; 2243 const uint32_t *data; 2244 2245 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); 2246 if (data == NULL) { 2247 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); 2248 return -1; 2249 } 2250 2251 *load = uimage_to_cpu (*data); 2252 return 0; 2253 } 2254 2255 /** 2256 * fit_image_get_entry - get entry point address property for a given component image node 2257 * @fit: pointer to the FIT format image header 2258 * @noffset: component image node offset 2259 * @entry: pointer to the uint32_t, will hold entry point address 2260 * 2261 * fit_image_get_entry() finds entry point address property in a given component image node. 2262 * If the property is found, its value is returned to the caller. 2263 * 2264 * returns: 2265 * 0, on success 2266 * -1, on failure 2267 */ 2268 int fit_image_get_entry (const void *fit, int noffset, ulong *entry) 2269 { 2270 int len; 2271 const uint32_t *data; 2272 2273 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); 2274 if (data == NULL) { 2275 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); 2276 return -1; 2277 } 2278 2279 *entry = uimage_to_cpu (*data); 2280 return 0; 2281 } 2282 2283 /** 2284 * fit_image_get_data - get data property and its size for a given component image node 2285 * @fit: pointer to the FIT format image header 2286 * @noffset: component image node offset 2287 * @data: double pointer to void, will hold data property's data address 2288 * @size: pointer to size_t, will hold data property's data size 2289 * 2290 * fit_image_get_data() finds data property in a given component image node. 2291 * If the property is found its data start address and size are returned to 2292 * the caller. 2293 * 2294 * returns: 2295 * 0, on success 2296 * -1, on failure 2297 */ 2298 int fit_image_get_data (const void *fit, int noffset, 2299 const void **data, size_t *size) 2300 { 2301 int len; 2302 2303 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); 2304 if (*data == NULL) { 2305 fit_get_debug (fit, noffset, FIT_DATA_PROP, len); 2306 *size = 0; 2307 return -1; 2308 } 2309 2310 *size = len; 2311 return 0; 2312 } 2313 2314 /** 2315 * fit_image_hash_get_algo - get hash algorithm name 2316 * @fit: pointer to the FIT format image header 2317 * @noffset: hash node offset 2318 * @algo: double pointer to char, will hold pointer to the algorithm name 2319 * 2320 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 2321 * If the property is found its data start address is returned to the caller. 2322 * 2323 * returns: 2324 * 0, on success 2325 * -1, on failure 2326 */ 2327 int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) 2328 { 2329 int len; 2330 2331 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); 2332 if (*algo == NULL) { 2333 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); 2334 return -1; 2335 } 2336 2337 return 0; 2338 } 2339 2340 /** 2341 * fit_image_hash_get_value - get hash value and length 2342 * @fit: pointer to the FIT format image header 2343 * @noffset: hash node offset 2344 * @value: double pointer to uint8_t, will hold address of a hash value data 2345 * @value_len: pointer to an int, will hold hash data length 2346 * 2347 * fit_image_hash_get_value() finds hash value property in a given hash node. 2348 * If the property is found its data start address and size are returned to 2349 * the caller. 2350 * 2351 * returns: 2352 * 0, on success 2353 * -1, on failure 2354 */ 2355 int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, 2356 int *value_len) 2357 { 2358 int len; 2359 2360 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); 2361 if (*value == NULL) { 2362 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); 2363 *value_len = 0; 2364 return -1; 2365 } 2366 2367 *value_len = len; 2368 return 0; 2369 } 2370 2371 /** 2372 * fit_set_timestamp - set node timestamp property 2373 * @fit: pointer to the FIT format image header 2374 * @noffset: node offset 2375 * @timestamp: timestamp value to be set 2376 * 2377 * fit_set_timestamp() attempts to set timestamp property in the requested 2378 * node and returns operation status to the caller. 2379 * 2380 * returns: 2381 * 0, on success 2382 * -1, on property read failure 2383 */ 2384 int fit_set_timestamp (void *fit, int noffset, time_t timestamp) 2385 { 2386 uint32_t t; 2387 int ret; 2388 2389 t = cpu_to_uimage (timestamp); 2390 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, 2391 sizeof (uint32_t)); 2392 if (ret) { 2393 printf ("Can't set '%s' property for '%s' node (%s)\n", 2394 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), 2395 fdt_strerror (ret)); 2396 return -1; 2397 } 2398 2399 return 0; 2400 } 2401 2402 /** 2403 * calculate_hash - calculate and return hash for provided input data 2404 * @data: pointer to the input data 2405 * @data_len: data length 2406 * @algo: requested hash algorithm 2407 * @value: pointer to the char, will hold hash value data (caller must 2408 * allocate enough free space) 2409 * value_len: length of the calculated hash 2410 * 2411 * calculate_hash() computes input data hash according to the requested algorithm. 2412 * Resulting hash value is placed in caller provided 'value' buffer, length 2413 * of the calculated hash is returned via value_len pointer argument. 2414 * 2415 * returns: 2416 * 0, on success 2417 * -1, when algo is unsupported 2418 */ 2419 static int calculate_hash (const void *data, int data_len, const char *algo, 2420 uint8_t *value, int *value_len) 2421 { 2422 if (strcmp (algo, "crc32") == 0 ) { 2423 *((uint32_t *)value) = crc32_wd (0, data, data_len, 2424 CHUNKSZ_CRC32); 2425 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); 2426 *value_len = 4; 2427 } else if (strcmp (algo, "sha1") == 0 ) { 2428 sha1_csum_wd ((unsigned char *) data, data_len, 2429 (unsigned char *) value, CHUNKSZ_SHA1); 2430 *value_len = 20; 2431 } else if (strcmp (algo, "md5") == 0 ) { 2432 md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5); 2433 *value_len = 16; 2434 } else { 2435 debug ("Unsupported hash alogrithm\n"); 2436 return -1; 2437 } 2438 return 0; 2439 } 2440 2441 #ifdef USE_HOSTCC 2442 /** 2443 * fit_set_hashes - process FIT component image nodes and calculate hashes 2444 * @fit: pointer to the FIT format image header 2445 * 2446 * fit_set_hashes() adds hash values for all component images in the FIT blob. 2447 * Hashes are calculated for all component images which have hash subnodes 2448 * with algorithm property set to one of the supported hash algorithms. 2449 * 2450 * returns 2451 * 0, on success 2452 * libfdt error code, on failure 2453 */ 2454 int fit_set_hashes (void *fit) 2455 { 2456 int images_noffset; 2457 int noffset; 2458 int ndepth; 2459 int ret; 2460 2461 /* Find images parent node offset */ 2462 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2463 if (images_noffset < 0) { 2464 printf ("Can't find images parent node '%s' (%s)\n", 2465 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2466 return images_noffset; 2467 } 2468 2469 /* Process its subnodes, print out component images details */ 2470 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 2471 (noffset >= 0) && (ndepth > 0); 2472 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2473 if (ndepth == 1) { 2474 /* 2475 * Direct child node of the images parent node, 2476 * i.e. component image node. 2477 */ 2478 ret = fit_image_set_hashes (fit, noffset); 2479 if (ret) 2480 return ret; 2481 } 2482 } 2483 2484 return 0; 2485 } 2486 2487 /** 2488 * fit_image_set_hashes - calculate/set hashes for given component image node 2489 * @fit: pointer to the FIT format image header 2490 * @image_noffset: requested component image node 2491 * 2492 * fit_image_set_hashes() adds hash values for an component image node. All 2493 * existing hash subnodes are checked, if algorithm property is set to one of 2494 * the supported hash algorithms, hash value is computed and corresponding 2495 * hash node property is set, for example: 2496 * 2497 * Input component image node structure: 2498 * 2499 * o image@1 (at image_noffset) 2500 * | - data = [binary data] 2501 * o hash@1 2502 * |- algo = "sha1" 2503 * 2504 * Output component image node structure: 2505 * 2506 * o image@1 (at image_noffset) 2507 * | - data = [binary data] 2508 * o hash@1 2509 * |- algo = "sha1" 2510 * |- value = sha1(data) 2511 * 2512 * returns: 2513 * 0 on sucess 2514 * <0 on failure 2515 */ 2516 int fit_image_set_hashes (void *fit, int image_noffset) 2517 { 2518 const void *data; 2519 size_t size; 2520 char *algo; 2521 uint8_t value[FIT_MAX_HASH_LEN]; 2522 int value_len; 2523 int noffset; 2524 int ndepth; 2525 2526 /* Get image data and data length */ 2527 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2528 printf ("Can't get image data/size\n"); 2529 return -1; 2530 } 2531 2532 /* Process all hash subnodes of the component image node */ 2533 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2534 (noffset >= 0) && (ndepth > 0); 2535 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2536 if (ndepth == 1) { 2537 /* Direct child node of the component image node */ 2538 2539 /* 2540 * Check subnode name, must be equal to "hash". 2541 * Multiple hash nodes require unique unit node 2542 * names, e.g. hash@1, hash@2, etc. 2543 */ 2544 if (strncmp (fit_get_name(fit, noffset, NULL), 2545 FIT_HASH_NODENAME, 2546 strlen(FIT_HASH_NODENAME)) != 0) { 2547 /* Not a hash subnode, skip it */ 2548 continue; 2549 } 2550 2551 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2552 printf ("Can't get hash algo property for " 2553 "'%s' hash node in '%s' image node\n", 2554 fit_get_name (fit, noffset, NULL), 2555 fit_get_name (fit, image_noffset, NULL)); 2556 return -1; 2557 } 2558 2559 if (calculate_hash (data, size, algo, value, &value_len)) { 2560 printf ("Unsupported hash algorithm (%s) for " 2561 "'%s' hash node in '%s' image node\n", 2562 algo, fit_get_name (fit, noffset, NULL), 2563 fit_get_name (fit, image_noffset, NULL)); 2564 return -1; 2565 } 2566 2567 if (fit_image_hash_set_value (fit, noffset, value, 2568 value_len)) { 2569 printf ("Can't set hash value for " 2570 "'%s' hash node in '%s' image node\n", 2571 fit_get_name (fit, noffset, NULL), 2572 fit_get_name (fit, image_noffset, NULL)); 2573 return -1; 2574 } 2575 } 2576 } 2577 2578 return 0; 2579 } 2580 2581 /** 2582 * fit_image_hash_set_value - set hash value in requested has node 2583 * @fit: pointer to the FIT format image header 2584 * @noffset: hash node offset 2585 * @value: hash value to be set 2586 * @value_len: hash value length 2587 * 2588 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2589 * given and returns operation status to the caller. 2590 * 2591 * returns 2592 * 0, on success 2593 * -1, on failure 2594 */ 2595 int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, 2596 int value_len) 2597 { 2598 int ret; 2599 2600 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); 2601 if (ret) { 2602 printf ("Can't set hash '%s' property for '%s' node (%s)\n", 2603 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), 2604 fdt_strerror (ret)); 2605 return -1; 2606 } 2607 2608 return 0; 2609 } 2610 #endif /* USE_HOSTCC */ 2611 2612 /** 2613 * fit_image_check_hashes - verify data intergity 2614 * @fit: pointer to the FIT format image header 2615 * @image_noffset: component image node offset 2616 * 2617 * fit_image_check_hashes() goes over component image hash nodes, 2618 * re-calculates each data hash and compares with the value stored in hash 2619 * node. 2620 * 2621 * returns: 2622 * 1, if all hashes are valid 2623 * 0, otherwise (or on error) 2624 */ 2625 int fit_image_check_hashes (const void *fit, int image_noffset) 2626 { 2627 const void *data; 2628 size_t size; 2629 char *algo; 2630 uint8_t *fit_value; 2631 int fit_value_len; 2632 uint8_t value[FIT_MAX_HASH_LEN]; 2633 int value_len; 2634 int noffset; 2635 int ndepth; 2636 char *err_msg = ""; 2637 2638 /* Get image data and data length */ 2639 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2640 printf ("Can't get image data/size\n"); 2641 return 0; 2642 } 2643 2644 /* Process all hash subnodes of the component image node */ 2645 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2646 (noffset >= 0) && (ndepth > 0); 2647 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2648 if (ndepth == 1) { 2649 /* Direct child node of the component image node */ 2650 2651 /* 2652 * Check subnode name, must be equal to "hash". 2653 * Multiple hash nodes require unique unit node 2654 * names, e.g. hash@1, hash@2, etc. 2655 */ 2656 if (strncmp (fit_get_name(fit, noffset, NULL), 2657 FIT_HASH_NODENAME, 2658 strlen(FIT_HASH_NODENAME)) != 0) 2659 continue; 2660 2661 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2662 err_msg = " error!\nCan't get hash algo " 2663 "property"; 2664 goto error; 2665 } 2666 printf ("%s", algo); 2667 2668 if (fit_image_hash_get_value (fit, noffset, &fit_value, 2669 &fit_value_len)) { 2670 err_msg = " error!\nCan't get hash value " 2671 "property"; 2672 goto error; 2673 } 2674 2675 if (calculate_hash (data, size, algo, value, &value_len)) { 2676 err_msg = " error!\nUnsupported hash algorithm"; 2677 goto error; 2678 } 2679 2680 if (value_len != fit_value_len) { 2681 err_msg = " error !\nBad hash value len"; 2682 goto error; 2683 } else if (memcmp (value, fit_value, value_len) != 0) { 2684 err_msg = " error!\nBad hash value"; 2685 goto error; 2686 } 2687 printf ("+ "); 2688 } 2689 } 2690 2691 return 1; 2692 2693 error: 2694 printf ("%s for '%s' hash node in '%s' image node\n", 2695 err_msg, fit_get_name (fit, noffset, NULL), 2696 fit_get_name (fit, image_noffset, NULL)); 2697 return 0; 2698 } 2699 2700 /** 2701 * fit_all_image_check_hashes - verify data intergity for all images 2702 * @fit: pointer to the FIT format image header 2703 * 2704 * fit_all_image_check_hashes() goes over all images in the FIT and 2705 * for every images checks if all it's hashes are valid. 2706 * 2707 * returns: 2708 * 1, if all hashes of all images are valid 2709 * 0, otherwise (or on error) 2710 */ 2711 int fit_all_image_check_hashes (const void *fit) 2712 { 2713 int images_noffset; 2714 int noffset; 2715 int ndepth; 2716 int count; 2717 2718 /* Find images parent node offset */ 2719 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2720 if (images_noffset < 0) { 2721 printf ("Can't find images parent node '%s' (%s)\n", 2722 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2723 return 0; 2724 } 2725 2726 /* Process all image subnodes, check hashes for each */ 2727 printf ("## Checking hash(es) for FIT Image at %08lx ...\n", 2728 (ulong)fit); 2729 for (ndepth = 0, count = 0, 2730 noffset = fdt_next_node (fit, images_noffset, &ndepth); 2731 (noffset >= 0) && (ndepth > 0); 2732 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2733 if (ndepth == 1) { 2734 /* 2735 * Direct child node of the images parent node, 2736 * i.e. component image node. 2737 */ 2738 printf (" Hash(es) for Image %u (%s): ", count++, 2739 fit_get_name (fit, noffset, NULL)); 2740 2741 if (!fit_image_check_hashes (fit, noffset)) 2742 return 0; 2743 printf ("\n"); 2744 } 2745 } 2746 return 1; 2747 } 2748 2749 /** 2750 * fit_image_check_os - check whether image node is of a given os type 2751 * @fit: pointer to the FIT format image header 2752 * @noffset: component image node offset 2753 * @os: requested image os 2754 * 2755 * fit_image_check_os() reads image os property and compares its numeric 2756 * id with the requested os. Comparison result is returned to the caller. 2757 * 2758 * returns: 2759 * 1 if image is of given os type 2760 * 0 otherwise (or on error) 2761 */ 2762 int fit_image_check_os (const void *fit, int noffset, uint8_t os) 2763 { 2764 uint8_t image_os; 2765 2766 if (fit_image_get_os (fit, noffset, &image_os)) 2767 return 0; 2768 return (os == image_os); 2769 } 2770 2771 /** 2772 * fit_image_check_arch - check whether image node is of a given arch 2773 * @fit: pointer to the FIT format image header 2774 * @noffset: component image node offset 2775 * @arch: requested imagearch 2776 * 2777 * fit_image_check_arch() reads image arch property and compares its numeric 2778 * id with the requested arch. Comparison result is returned to the caller. 2779 * 2780 * returns: 2781 * 1 if image is of given arch 2782 * 0 otherwise (or on error) 2783 */ 2784 int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) 2785 { 2786 uint8_t image_arch; 2787 2788 if (fit_image_get_arch (fit, noffset, &image_arch)) 2789 return 0; 2790 return (arch == image_arch); 2791 } 2792 2793 /** 2794 * fit_image_check_type - check whether image node is of a given type 2795 * @fit: pointer to the FIT format image header 2796 * @noffset: component image node offset 2797 * @type: requested image type 2798 * 2799 * fit_image_check_type() reads image type property and compares its numeric 2800 * id with the requested type. Comparison result is returned to the caller. 2801 * 2802 * returns: 2803 * 1 if image is of given type 2804 * 0 otherwise (or on error) 2805 */ 2806 int fit_image_check_type (const void *fit, int noffset, uint8_t type) 2807 { 2808 uint8_t image_type; 2809 2810 if (fit_image_get_type (fit, noffset, &image_type)) 2811 return 0; 2812 return (type == image_type); 2813 } 2814 2815 /** 2816 * fit_image_check_comp - check whether image node uses given compression 2817 * @fit: pointer to the FIT format image header 2818 * @noffset: component image node offset 2819 * @comp: requested image compression type 2820 * 2821 * fit_image_check_comp() reads image compression property and compares its 2822 * numeric id with the requested compression type. Comparison result is 2823 * returned to the caller. 2824 * 2825 * returns: 2826 * 1 if image uses requested compression 2827 * 0 otherwise (or on error) 2828 */ 2829 int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) 2830 { 2831 uint8_t image_comp; 2832 2833 if (fit_image_get_comp (fit, noffset, &image_comp)) 2834 return 0; 2835 return (comp == image_comp); 2836 } 2837 2838 /** 2839 * fit_check_format - sanity check FIT image format 2840 * @fit: pointer to the FIT format image header 2841 * 2842 * fit_check_format() runs a basic sanity FIT image verification. 2843 * Routine checks for mandatory properties, nodes, etc. 2844 * 2845 * returns: 2846 * 1, on success 2847 * 0, on failure 2848 */ 2849 int fit_check_format (const void *fit) 2850 { 2851 /* mandatory / node 'description' property */ 2852 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2853 debug ("Wrong FIT format: no description\n"); 2854 return 0; 2855 } 2856 2857 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2858 /* mandatory / node 'timestamp' property */ 2859 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2860 debug ("Wrong FIT format: no timestamp\n"); 2861 return 0; 2862 } 2863 #endif 2864 2865 /* mandatory subimages parent '/images' node */ 2866 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { 2867 debug ("Wrong FIT format: no images parent node\n"); 2868 return 0; 2869 } 2870 2871 return 1; 2872 } 2873 2874 /** 2875 * fit_conf_get_node - get node offset for configuration of a given unit name 2876 * @fit: pointer to the FIT format image header 2877 * @conf_uname: configuration node unit name 2878 * 2879 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2880 * parant node) of a provided unit name. If configuration is found its node offset 2881 * is returned to the caller. 2882 * 2883 * When NULL is provided in second argument fit_conf_get_node() will search 2884 * for a default configuration node instead. Default configuration node unit name 2885 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2886 * 2887 * returns: 2888 * configuration node offset when found (>=0) 2889 * negative number on failure (FDT_ERR_* code) 2890 */ 2891 int fit_conf_get_node (const void *fit, const char *conf_uname) 2892 { 2893 int noffset, confs_noffset; 2894 int len; 2895 2896 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 2897 if (confs_noffset < 0) { 2898 debug ("Can't find configurations parent node '%s' (%s)\n", 2899 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 2900 return confs_noffset; 2901 } 2902 2903 if (conf_uname == NULL) { 2904 /* get configuration unit name from the default property */ 2905 debug ("No configuration specified, trying default...\n"); 2906 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); 2907 if (conf_uname == NULL) { 2908 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); 2909 return len; 2910 } 2911 debug ("Found default configuration: '%s'\n", conf_uname); 2912 } 2913 2914 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); 2915 if (noffset < 0) { 2916 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", 2917 conf_uname, fdt_strerror (noffset)); 2918 } 2919 2920 return noffset; 2921 } 2922 2923 static int __fit_conf_get_prop_node (const void *fit, int noffset, 2924 const char *prop_name) 2925 { 2926 char *uname; 2927 int len; 2928 2929 /* get kernel image unit name from configuration kernel property */ 2930 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); 2931 if (uname == NULL) 2932 return len; 2933 2934 return fit_image_get_node (fit, uname); 2935 } 2936 2937 /** 2938 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 2939 * a given configuration 2940 * @fit: pointer to the FIT format image header 2941 * @noffset: configuration node offset 2942 * 2943 * fit_conf_get_kernel_node() retrives kernel image node unit name from 2944 * configuration FIT_KERNEL_PROP property and translates it to the node 2945 * offset. 2946 * 2947 * returns: 2948 * image node offset when found (>=0) 2949 * negative number on failure (FDT_ERR_* code) 2950 */ 2951 int fit_conf_get_kernel_node (const void *fit, int noffset) 2952 { 2953 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); 2954 } 2955 2956 /** 2957 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 2958 * a given configuration 2959 * @fit: pointer to the FIT format image header 2960 * @noffset: configuration node offset 2961 * 2962 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 2963 * configuration FIT_KERNEL_PROP property and translates it to the node 2964 * offset. 2965 * 2966 * returns: 2967 * image node offset when found (>=0) 2968 * negative number on failure (FDT_ERR_* code) 2969 */ 2970 int fit_conf_get_ramdisk_node (const void *fit, int noffset) 2971 { 2972 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); 2973 } 2974 2975 /** 2976 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 2977 * a given configuration 2978 * @fit: pointer to the FIT format image header 2979 * @noffset: configuration node offset 2980 * 2981 * fit_conf_get_fdt_node() retrives fdt image node unit name from 2982 * configuration FIT_KERNEL_PROP property and translates it to the node 2983 * offset. 2984 * 2985 * returns: 2986 * image node offset when found (>=0) 2987 * negative number on failure (FDT_ERR_* code) 2988 */ 2989 int fit_conf_get_fdt_node (const void *fit, int noffset) 2990 { 2991 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); 2992 } 2993 2994 /** 2995 * fit_conf_print - prints out the FIT configuration details 2996 * @fit: pointer to the FIT format image header 2997 * @noffset: offset of the configuration node 2998 * @p: pointer to prefix string 2999 * 3000 * fit_conf_print() lists all mandatory properies for the processed 3001 * configuration node. 3002 * 3003 * returns: 3004 * no returned results 3005 */ 3006 void fit_conf_print (const void *fit, int noffset, const char *p) 3007 { 3008 char *desc; 3009 char *uname; 3010 int ret; 3011 3012 /* Mandatory properties */ 3013 ret = fit_get_desc (fit, noffset, &desc); 3014 printf ("%s Description: ", p); 3015 if (ret) 3016 printf ("unavailable\n"); 3017 else 3018 printf ("%s\n", desc); 3019 3020 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); 3021 printf ("%s Kernel: ", p); 3022 if (uname == NULL) 3023 printf ("unavailable\n"); 3024 else 3025 printf ("%s\n", uname); 3026 3027 /* Optional properties */ 3028 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); 3029 if (uname) 3030 printf ("%s Init Ramdisk: %s\n", p, uname); 3031 3032 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); 3033 if (uname) 3034 printf ("%s FDT: %s\n", p, uname); 3035 } 3036 3037 /** 3038 * fit_check_ramdisk - verify FIT format ramdisk subimage 3039 * @fit_hdr: pointer to the FIT ramdisk header 3040 * @rd_noffset: ramdisk subimage node offset within FIT image 3041 * @arch: requested ramdisk image architecture type 3042 * @verify: data CRC verification flag 3043 * 3044 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 3045 * specified FIT image. 3046 * 3047 * returns: 3048 * 1, on success 3049 * 0, on failure 3050 */ 3051 #ifndef USE_HOSTCC 3052 static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) 3053 { 3054 fit_image_print (fit, rd_noffset, " "); 3055 3056 if (verify) { 3057 puts (" Verifying Hash Integrity ... "); 3058 if (!fit_image_check_hashes (fit, rd_noffset)) { 3059 puts ("Bad Data Hash\n"); 3060 show_boot_progress (-125); 3061 return 0; 3062 } 3063 puts ("OK\n"); 3064 } 3065 3066 show_boot_progress (126); 3067 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || 3068 !fit_image_check_arch (fit, rd_noffset, arch) || 3069 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { 3070 printf ("No Linux %s Ramdisk Image\n", 3071 genimg_get_arch_name(arch)); 3072 show_boot_progress (-126); 3073 return 0; 3074 } 3075 3076 show_boot_progress (127); 3077 return 1; 3078 } 3079 #endif /* USE_HOSTCC */ 3080 #endif /* CONFIG_FIT */ 3081