1 /* 2 * (C) Copyright 2008 Semihalf 3 * 4 * (C) Copyright 2000-2006 5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 6 * 7 * See file CREDITS for list of people who contributed to this 8 * project. 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU General Public License as 12 * published by the Free Software Foundation; either version 2 of 13 * the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, 23 * MA 02111-1307 USA 24 */ 25 26 #ifndef USE_HOSTCC 27 #include <common.h> 28 #include <watchdog.h> 29 30 #ifdef CONFIG_SHOW_BOOT_PROGRESS 31 #include <status_led.h> 32 #endif 33 34 #ifdef CONFIG_HAS_DATAFLASH 35 #include <dataflash.h> 36 #endif 37 38 #ifdef CONFIG_LOGBUFFER 39 #include <logbuff.h> 40 #endif 41 42 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) 43 #include <rtc.h> 44 #endif 45 46 #include <image.h> 47 48 #if defined(CONFIG_FIT) || defined (CONFIG_OF_LIBFDT) 49 #include <fdt.h> 50 #include <libfdt.h> 51 #include <fdt_support.h> 52 #endif 53 54 #if defined(CONFIG_FIT) 55 #include <u-boot/md5.h> 56 #include <sha1.h> 57 58 static int fit_check_ramdisk (const void *fit, int os_noffset, 59 uint8_t arch, int verify); 60 #endif 61 62 #ifdef CONFIG_CMD_BDI 63 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]); 64 #endif 65 66 DECLARE_GLOBAL_DATA_PTR; 67 68 static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, 69 int verify); 70 #else 71 #include "mkimage.h" 72 #include <u-boot/md5.h> 73 #include <time.h> 74 #include <image.h> 75 #endif /* !USE_HOSTCC*/ 76 77 typedef struct table_entry { 78 int id; /* as defined in image.h */ 79 char *sname; /* short (input) name */ 80 char *lname; /* long (output) name */ 81 } table_entry_t; 82 83 static table_entry_t uimage_arch[] = { 84 { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, 85 { IH_ARCH_ALPHA, "alpha", "Alpha", }, 86 { IH_ARCH_ARM, "arm", "ARM", }, 87 { IH_ARCH_I386, "x86", "Intel x86", }, 88 { IH_ARCH_IA64, "ia64", "IA64", }, 89 { IH_ARCH_M68K, "m68k", "M68K", }, 90 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, 91 { IH_ARCH_MIPS, "mips", "MIPS", }, 92 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, 93 { IH_ARCH_NIOS, "nios", "NIOS", }, 94 { IH_ARCH_NIOS2, "nios2", "NIOS II", }, 95 { IH_ARCH_PPC, "powerpc", "PowerPC", }, 96 { IH_ARCH_PPC, "ppc", "PowerPC", }, 97 { IH_ARCH_S390, "s390", "IBM S390", }, 98 { IH_ARCH_SH, "sh", "SuperH", }, 99 { IH_ARCH_SPARC, "sparc", "SPARC", }, 100 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, 101 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, 102 { IH_ARCH_AVR32, "avr32", "AVR32", }, 103 { -1, "", "", }, 104 }; 105 106 static table_entry_t uimage_os[] = { 107 { IH_OS_INVALID, NULL, "Invalid OS", }, 108 { IH_OS_LINUX, "linux", "Linux", }, 109 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 110 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 111 #endif 112 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 113 { IH_OS_RTEMS, "rtems", "RTEMS", }, 114 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 115 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 116 { IH_OS_QNX, "qnx", "QNX", }, 117 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 118 #endif 119 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC) 120 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", }, 121 #endif 122 #ifdef USE_HOSTCC 123 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 124 { IH_OS_DELL, "dell", "Dell", }, 125 { IH_OS_ESIX, "esix", "Esix", }, 126 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 127 { IH_OS_IRIX, "irix", "Irix", }, 128 { IH_OS_NCR, "ncr", "NCR", }, 129 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 130 { IH_OS_PSOS, "psos", "pSOS", }, 131 { IH_OS_SCO, "sco", "SCO", }, 132 { IH_OS_SOLARIS, "solaris", "Solaris", }, 133 { IH_OS_SVR4, "svr4", "SVR4", }, 134 #endif 135 { -1, "", "", }, 136 }; 137 138 static table_entry_t uimage_type[] = { 139 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 140 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 141 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 142 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 143 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 144 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 145 { IH_TYPE_SCRIPT, "script", "Script", }, 146 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 147 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 148 { -1, "", "", }, 149 }; 150 151 static table_entry_t uimage_comp[] = { 152 { IH_COMP_NONE, "none", "uncompressed", }, 153 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 154 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 155 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 156 { -1, "", "", }, 157 }; 158 159 uint32_t crc32 (uint32_t, const unsigned char *, uint); 160 uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint); 161 static void genimg_print_size (uint32_t size); 162 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 163 static void genimg_print_time (time_t timestamp); 164 #endif 165 166 /*****************************************************************************/ 167 /* Legacy format routines */ 168 /*****************************************************************************/ 169 int image_check_hcrc (image_header_t *hdr) 170 { 171 ulong hcrc; 172 ulong len = image_get_header_size (); 173 image_header_t header; 174 175 /* Copy header so we can blank CRC field for re-calculation */ 176 memmove (&header, (char *)hdr, image_get_header_size ()); 177 image_set_hcrc (&header, 0); 178 179 hcrc = crc32 (0, (unsigned char *)&header, len); 180 181 return (hcrc == image_get_hcrc (hdr)); 182 } 183 184 int image_check_dcrc (image_header_t *hdr) 185 { 186 ulong data = image_get_data (hdr); 187 ulong len = image_get_data_size (hdr); 188 ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32); 189 190 return (dcrc == image_get_dcrc (hdr)); 191 } 192 193 /** 194 * image_multi_count - get component (sub-image) count 195 * @hdr: pointer to the header of the multi component image 196 * 197 * image_multi_count() returns number of components in a multi 198 * component image. 199 * 200 * Note: no checking of the image type is done, caller must pass 201 * a valid multi component image. 202 * 203 * returns: 204 * number of components 205 */ 206 ulong image_multi_count (image_header_t *hdr) 207 { 208 ulong i, count = 0; 209 uint32_t *size; 210 211 /* get start of the image payload, which in case of multi 212 * component images that points to a table of component sizes */ 213 size = (uint32_t *)image_get_data (hdr); 214 215 /* count non empty slots */ 216 for (i = 0; size[i]; ++i) 217 count++; 218 219 return count; 220 } 221 222 /** 223 * image_multi_getimg - get component data address and size 224 * @hdr: pointer to the header of the multi component image 225 * @idx: index of the requested component 226 * @data: pointer to a ulong variable, will hold component data address 227 * @len: pointer to a ulong variable, will hold component size 228 * 229 * image_multi_getimg() returns size and data address for the requested 230 * component in a multi component image. 231 * 232 * Note: no checking of the image type is done, caller must pass 233 * a valid multi component image. 234 * 235 * returns: 236 * data address and size of the component, if idx is valid 237 * 0 in data and len, if idx is out of range 238 */ 239 void image_multi_getimg (image_header_t *hdr, ulong idx, 240 ulong *data, ulong *len) 241 { 242 int i; 243 uint32_t *size; 244 ulong offset, count, img_data; 245 246 /* get number of component */ 247 count = image_multi_count (hdr); 248 249 /* get start of the image payload, which in case of multi 250 * component images that points to a table of component sizes */ 251 size = (uint32_t *)image_get_data (hdr); 252 253 /* get address of the proper component data start, which means 254 * skipping sizes table (add 1 for last, null entry) */ 255 img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t); 256 257 if (idx < count) { 258 *len = uimage_to_cpu (size[idx]); 259 offset = 0; 260 261 /* go over all indices preceding requested component idx */ 262 for (i = 0; i < idx; i++) { 263 /* add up i-th component size, rounding up to 4 bytes */ 264 offset += (uimage_to_cpu (size[i]) + 3) & ~3 ; 265 } 266 267 /* calculate idx-th component data address */ 268 *data = img_data + offset; 269 } else { 270 *len = 0; 271 *data = 0; 272 } 273 } 274 275 static void image_print_type (image_header_t *hdr) 276 { 277 const char *os, *arch, *type, *comp; 278 279 os = genimg_get_os_name (image_get_os (hdr)); 280 arch = genimg_get_arch_name (image_get_arch (hdr)); 281 type = genimg_get_type_name (image_get_type (hdr)); 282 comp = genimg_get_comp_name (image_get_comp (hdr)); 283 284 printf ("%s %s %s (%s)\n", arch, os, type, comp); 285 } 286 287 /** 288 * image_print_contents - prints out the contents of the legacy format image 289 * @hdr: pointer to the legacy format image header 290 * @p: pointer to prefix string 291 * 292 * image_print_contents() formats a multi line legacy image contents description. 293 * The routine prints out all header fields followed by the size/offset data 294 * for MULTI/SCRIPT images. 295 * 296 * returns: 297 * no returned results 298 */ 299 void image_print_contents (image_header_t *hdr) 300 { 301 const char *p; 302 303 #ifdef USE_HOSTCC 304 p = ""; 305 #else 306 p = " "; 307 #endif 308 309 printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); 310 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 311 printf ("%sCreated: ", p); 312 genimg_print_time ((time_t)image_get_time (hdr)); 313 #endif 314 printf ("%sImage Type: ", p); 315 image_print_type (hdr); 316 printf ("%sData Size: ", p); 317 genimg_print_size (image_get_data_size (hdr)); 318 printf ("%sLoad Address: %08x\n", p, image_get_load (hdr)); 319 printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr)); 320 321 if (image_check_type (hdr, IH_TYPE_MULTI) || 322 image_check_type (hdr, IH_TYPE_SCRIPT)) { 323 int i; 324 ulong data, len; 325 ulong count = image_multi_count (hdr); 326 327 printf ("%sContents:\n", p); 328 for (i = 0; i < count; i++) { 329 image_multi_getimg (hdr, i, &data, &len); 330 331 printf ("%s Image %d: ", p, i); 332 genimg_print_size (len); 333 334 if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { 335 /* 336 * the user may need to know offsets 337 * if planning to do something with 338 * multiple files 339 */ 340 printf ("%s Offset = 0x%08lx\n", p, data); 341 } 342 } 343 } 344 } 345 346 347 #ifndef USE_HOSTCC 348 /** 349 * image_get_ramdisk - get and verify ramdisk image 350 * @rd_addr: ramdisk image start address 351 * @arch: expected ramdisk architecture 352 * @verify: checksum verification flag 353 * 354 * image_get_ramdisk() returns a pointer to the verified ramdisk image 355 * header. Routine receives image start address and expected architecture 356 * flag. Verification done covers data and header integrity and os/type/arch 357 * fields checking. 358 * 359 * If dataflash support is enabled routine checks for dataflash addresses 360 * and handles required dataflash reads. 361 * 362 * returns: 363 * pointer to a ramdisk image header, if image was found and valid 364 * otherwise, return NULL 365 */ 366 static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, 367 int verify) 368 { 369 image_header_t *rd_hdr = (image_header_t *)rd_addr; 370 371 if (!image_check_magic (rd_hdr)) { 372 puts ("Bad Magic Number\n"); 373 show_boot_progress (-10); 374 return NULL; 375 } 376 377 if (!image_check_hcrc (rd_hdr)) { 378 puts ("Bad Header Checksum\n"); 379 show_boot_progress (-11); 380 return NULL; 381 } 382 383 show_boot_progress (10); 384 image_print_contents (rd_hdr); 385 386 if (verify) { 387 puts(" Verifying Checksum ... "); 388 if (!image_check_dcrc (rd_hdr)) { 389 puts ("Bad Data CRC\n"); 390 show_boot_progress (-12); 391 return NULL; 392 } 393 puts("OK\n"); 394 } 395 396 show_boot_progress (11); 397 398 if (!image_check_os (rd_hdr, IH_OS_LINUX) || 399 !image_check_arch (rd_hdr, arch) || 400 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { 401 printf ("No Linux %s Ramdisk Image\n", 402 genimg_get_arch_name(arch)); 403 show_boot_progress (-13); 404 return NULL; 405 } 406 407 return rd_hdr; 408 } 409 #endif /* !USE_HOSTCC */ 410 411 /*****************************************************************************/ 412 /* Shared dual-format routines */ 413 /*****************************************************************************/ 414 #ifndef USE_HOSTCC 415 int getenv_yesno (char *var) 416 { 417 char *s = getenv (var); 418 return (s && (*s == 'n')) ? 0 : 1; 419 } 420 421 ulong getenv_bootm_low(void) 422 { 423 char *s = getenv ("bootm_low"); 424 if (s) { 425 ulong tmp = simple_strtoul (s, NULL, 16); 426 return tmp; 427 } 428 429 #if defined(CONFIG_SYS_SDRAM_BASE) 430 return CONFIG_SYS_SDRAM_BASE; 431 #elif defined(CONFIG_ARM) 432 return gd->bd->bi_dram[0].start; 433 #else 434 return 0; 435 #endif 436 } 437 438 phys_size_t getenv_bootm_size(void) 439 { 440 char *s = getenv ("bootm_size"); 441 if (s) { 442 phys_size_t tmp; 443 #ifdef CONFIG_SYS_64BIT_STRTOUL 444 tmp = (phys_size_t)simple_strtoull (s, NULL, 16); 445 #else 446 tmp = (phys_size_t)simple_strtoul (s, NULL, 16); 447 #endif 448 return tmp; 449 } 450 451 #if defined(CONFIG_ARM) 452 return gd->bd->bi_dram[0].size; 453 #else 454 return gd->bd->bi_memsize; 455 #endif 456 } 457 458 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 459 { 460 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 461 while (len > 0) { 462 size_t tail = (len > chunksz) ? chunksz : len; 463 WATCHDOG_RESET (); 464 memmove (to, from, tail); 465 to += tail; 466 from += tail; 467 len -= tail; 468 } 469 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 470 memmove (to, from, len); 471 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 472 } 473 #endif /* !USE_HOSTCC */ 474 475 static void genimg_print_size (uint32_t size) 476 { 477 #ifndef USE_HOSTCC 478 printf ("%d Bytes = ", size); 479 print_size (size, "\n"); 480 #else 481 printf ("%d Bytes = %.2f kB = %.2f MB\n", 482 size, (double)size / 1.024e3, 483 (double)size / 1.048576e6); 484 #endif 485 } 486 487 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 488 static void genimg_print_time (time_t timestamp) 489 { 490 #ifndef USE_HOSTCC 491 struct rtc_time tm; 492 493 to_tm (timestamp, &tm); 494 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 495 tm.tm_year, tm.tm_mon, tm.tm_mday, 496 tm.tm_hour, tm.tm_min, tm.tm_sec); 497 #else 498 printf ("%s", ctime(×tamp)); 499 #endif 500 } 501 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 502 503 /** 504 * get_table_entry_name - translate entry id to long name 505 * @table: pointer to a translation table for entries of a specific type 506 * @msg: message to be returned when translation fails 507 * @id: entry id to be translated 508 * 509 * get_table_entry_name() will go over translation table trying to find 510 * entry that matches given id. If matching entry is found, its long 511 * name is returned to the caller. 512 * 513 * returns: 514 * long entry name if translation succeeds 515 * msg otherwise 516 */ 517 static char *get_table_entry_name (table_entry_t *table, char *msg, int id) 518 { 519 for (; table->id >= 0; ++table) { 520 if (table->id == id) 521 return (table->lname); 522 } 523 return (msg); 524 } 525 526 const char *genimg_get_os_name (uint8_t os) 527 { 528 return (get_table_entry_name (uimage_os, "Unknown OS", os)); 529 } 530 531 const char *genimg_get_arch_name (uint8_t arch) 532 { 533 return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); 534 } 535 536 const char *genimg_get_type_name (uint8_t type) 537 { 538 return (get_table_entry_name (uimage_type, "Unknown Image", type)); 539 } 540 541 const char *genimg_get_comp_name (uint8_t comp) 542 { 543 return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); 544 } 545 546 /** 547 * get_table_entry_id - translate short entry name to id 548 * @table: pointer to a translation table for entries of a specific type 549 * @table_name: to be used in case of error 550 * @name: entry short name to be translated 551 * 552 * get_table_entry_id() will go over translation table trying to find 553 * entry that matches given short name. If matching entry is found, 554 * its id returned to the caller. 555 * 556 * returns: 557 * entry id if translation succeeds 558 * -1 otherwise 559 */ 560 static int get_table_entry_id (table_entry_t *table, 561 const char *table_name, const char *name) 562 { 563 table_entry_t *t; 564 #ifdef USE_HOSTCC 565 int first = 1; 566 567 for (t = table; t->id >= 0; ++t) { 568 if (t->sname && strcasecmp(t->sname, name) == 0) 569 return (t->id); 570 } 571 572 fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); 573 for (t = table; t->id >= 0; ++t) { 574 if (t->sname == NULL) 575 continue; 576 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); 577 first = 0; 578 } 579 fprintf (stderr, "\n"); 580 #else 581 for (t = table; t->id >= 0; ++t) { 582 if (t->sname && strcmp(t->sname, name) == 0) 583 return (t->id); 584 } 585 debug ("Invalid %s Type: %s\n", table_name, name); 586 #endif /* USE_HOSTCC */ 587 return (-1); 588 } 589 590 int genimg_get_os_id (const char *name) 591 { 592 return (get_table_entry_id (uimage_os, "OS", name)); 593 } 594 595 int genimg_get_arch_id (const char *name) 596 { 597 return (get_table_entry_id (uimage_arch, "CPU", name)); 598 } 599 600 int genimg_get_type_id (const char *name) 601 { 602 return (get_table_entry_id (uimage_type, "Image", name)); 603 } 604 605 int genimg_get_comp_id (const char *name) 606 { 607 return (get_table_entry_id (uimage_comp, "Compression", name)); 608 } 609 610 #ifndef USE_HOSTCC 611 /** 612 * genimg_get_format - get image format type 613 * @img_addr: image start address 614 * 615 * genimg_get_format() checks whether provided address points to a valid 616 * legacy or FIT image. 617 * 618 * New uImage format and FDT blob are based on a libfdt. FDT blob 619 * may be passed directly or embedded in a FIT image. In both situations 620 * genimg_get_format() must be able to dectect libfdt header. 621 * 622 * returns: 623 * image format type or IMAGE_FORMAT_INVALID if no image is present 624 */ 625 int genimg_get_format (void *img_addr) 626 { 627 ulong format = IMAGE_FORMAT_INVALID; 628 image_header_t *hdr; 629 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 630 char *fit_hdr; 631 #endif 632 633 hdr = (image_header_t *)img_addr; 634 if (image_check_magic(hdr)) 635 format = IMAGE_FORMAT_LEGACY; 636 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 637 else { 638 fit_hdr = (char *)img_addr; 639 if (fdt_check_header (fit_hdr) == 0) 640 format = IMAGE_FORMAT_FIT; 641 } 642 #endif 643 644 return format; 645 } 646 647 /** 648 * genimg_get_image - get image from special storage (if necessary) 649 * @img_addr: image start address 650 * 651 * genimg_get_image() checks if provided image start adddress is located 652 * in a dataflash storage. If so, image is moved to a system RAM memory. 653 * 654 * returns: 655 * image start address after possible relocation from special storage 656 */ 657 ulong genimg_get_image (ulong img_addr) 658 { 659 ulong ram_addr = img_addr; 660 661 #ifdef CONFIG_HAS_DATAFLASH 662 ulong h_size, d_size; 663 664 if (addr_dataflash (img_addr)){ 665 /* ger RAM address */ 666 ram_addr = CONFIG_SYS_LOAD_ADDR; 667 668 /* get header size */ 669 h_size = image_get_header_size (); 670 #if defined(CONFIG_FIT) 671 if (sizeof(struct fdt_header) > h_size) 672 h_size = sizeof(struct fdt_header); 673 #endif 674 675 /* read in header */ 676 debug (" Reading image header from dataflash address " 677 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 678 679 read_dataflash (img_addr, h_size, (char *)ram_addr); 680 681 /* get data size */ 682 switch (genimg_get_format ((void *)ram_addr)) { 683 case IMAGE_FORMAT_LEGACY: 684 d_size = image_get_data_size ((image_header_t *)ram_addr); 685 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", 686 ram_addr, d_size); 687 break; 688 #if defined(CONFIG_FIT) 689 case IMAGE_FORMAT_FIT: 690 d_size = fit_get_size ((const void *)ram_addr) - h_size; 691 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", 692 ram_addr, d_size); 693 break; 694 #endif 695 default: 696 printf (" No valid image found at 0x%08lx\n", img_addr); 697 return ram_addr; 698 } 699 700 /* read in image data */ 701 debug (" Reading image remaining data from dataflash address " 702 "%08lx to RAM address %08lx\n", img_addr + h_size, 703 ram_addr + h_size); 704 705 read_dataflash (img_addr + h_size, d_size, 706 (char *)(ram_addr + h_size)); 707 708 } 709 #endif /* CONFIG_HAS_DATAFLASH */ 710 711 return ram_addr; 712 } 713 714 /** 715 * fit_has_config - check if there is a valid FIT configuration 716 * @images: pointer to the bootm command headers structure 717 * 718 * fit_has_config() checks if there is a FIT configuration in use 719 * (if FTI support is present). 720 * 721 * returns: 722 * 0, no FIT support or no configuration found 723 * 1, configuration found 724 */ 725 int genimg_has_config (bootm_headers_t *images) 726 { 727 #if defined(CONFIG_FIT) 728 if (images->fit_uname_cfg) 729 return 1; 730 #endif 731 return 0; 732 } 733 734 /** 735 * boot_get_ramdisk - main ramdisk handling routine 736 * @argc: command argument count 737 * @argv: command argument list 738 * @images: pointer to the bootm images structure 739 * @arch: expected ramdisk architecture 740 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 741 * @rd_end: pointer to a ulong variable, will hold ramdisk end 742 * 743 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 744 * Curently supported are the following ramdisk sources: 745 * - multicomponent kernel/ramdisk image, 746 * - commandline provided address of decicated ramdisk image. 747 * 748 * returns: 749 * 0, if ramdisk image was found and valid, or skiped 750 * rd_start and rd_end are set to ramdisk start/end addresses if 751 * ramdisk image is found and valid 752 * 753 * 1, if ramdisk image is found but corrupted, or invalid 754 * rd_start and rd_end are set to 0 if no ramdisk exists 755 */ 756 int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images, 757 uint8_t arch, ulong *rd_start, ulong *rd_end) 758 { 759 ulong rd_addr, rd_load; 760 ulong rd_data, rd_len; 761 image_header_t *rd_hdr; 762 #if defined(CONFIG_FIT) 763 void *fit_hdr; 764 const char *fit_uname_config = NULL; 765 const char *fit_uname_ramdisk = NULL; 766 ulong default_addr; 767 int rd_noffset; 768 int cfg_noffset; 769 const void *data; 770 size_t size; 771 #endif 772 773 *rd_start = 0; 774 *rd_end = 0; 775 776 /* 777 * Look for a '-' which indicates to ignore the 778 * ramdisk argument 779 */ 780 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 781 debug ("## Skipping init Ramdisk\n"); 782 rd_len = rd_data = 0; 783 } else if (argc >= 3 || genimg_has_config (images)) { 784 #if defined(CONFIG_FIT) 785 if (argc >= 3) { 786 /* 787 * If the init ramdisk comes from the FIT image and 788 * the FIT image address is omitted in the command 789 * line argument, try to use os FIT image address or 790 * default load address. 791 */ 792 if (images->fit_uname_os) 793 default_addr = (ulong)images->fit_hdr_os; 794 else 795 default_addr = load_addr; 796 797 if (fit_parse_conf (argv[2], default_addr, 798 &rd_addr, &fit_uname_config)) { 799 debug ("* ramdisk: config '%s' from image at 0x%08lx\n", 800 fit_uname_config, rd_addr); 801 } else if (fit_parse_subimage (argv[2], default_addr, 802 &rd_addr, &fit_uname_ramdisk)) { 803 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", 804 fit_uname_ramdisk, rd_addr); 805 } else 806 #endif 807 { 808 rd_addr = simple_strtoul(argv[2], NULL, 16); 809 debug ("* ramdisk: cmdline image address = 0x%08lx\n", 810 rd_addr); 811 } 812 #if defined(CONFIG_FIT) 813 } else { 814 /* use FIT configuration provided in first bootm 815 * command argument 816 */ 817 rd_addr = (ulong)images->fit_hdr_os; 818 fit_uname_config = images->fit_uname_cfg; 819 debug ("* ramdisk: using config '%s' from image at 0x%08lx\n", 820 fit_uname_config, rd_addr); 821 822 /* 823 * Check whether configuration has ramdisk defined, 824 * if not, don't try to use it, quit silently. 825 */ 826 fit_hdr = (void *)rd_addr; 827 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 828 if (cfg_noffset < 0) { 829 debug ("* ramdisk: no such config\n"); 830 return 1; 831 } 832 833 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 834 if (rd_noffset < 0) { 835 debug ("* ramdisk: no ramdisk in config\n"); 836 return 0; 837 } 838 } 839 #endif 840 841 /* copy from dataflash if needed */ 842 rd_addr = genimg_get_image (rd_addr); 843 844 /* 845 * Check if there is an initrd image at the 846 * address provided in the second bootm argument 847 * check image type, for FIT images get FIT node. 848 */ 849 switch (genimg_get_format ((void *)rd_addr)) { 850 case IMAGE_FORMAT_LEGACY: 851 printf ("## Loading init Ramdisk from Legacy " 852 "Image at %08lx ...\n", rd_addr); 853 854 show_boot_progress (9); 855 rd_hdr = image_get_ramdisk (rd_addr, arch, 856 images->verify); 857 858 if (rd_hdr == NULL) 859 return 1; 860 861 rd_data = image_get_data (rd_hdr); 862 rd_len = image_get_data_size (rd_hdr); 863 rd_load = image_get_load (rd_hdr); 864 break; 865 #if defined(CONFIG_FIT) 866 case IMAGE_FORMAT_FIT: 867 fit_hdr = (void *)rd_addr; 868 printf ("## Loading init Ramdisk from FIT " 869 "Image at %08lx ...\n", rd_addr); 870 871 show_boot_progress (120); 872 if (!fit_check_format (fit_hdr)) { 873 puts ("Bad FIT ramdisk image format!\n"); 874 show_boot_progress (-120); 875 return 1; 876 } 877 show_boot_progress (121); 878 879 if (!fit_uname_ramdisk) { 880 /* 881 * no ramdisk image node unit name, try to get config 882 * node first. If config unit node name is NULL 883 * fit_conf_get_node() will try to find default config node 884 */ 885 show_boot_progress (122); 886 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 887 if (cfg_noffset < 0) { 888 puts ("Could not find configuration node\n"); 889 show_boot_progress (-122); 890 return 1; 891 } 892 fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL); 893 printf (" Using '%s' configuration\n", fit_uname_config); 894 895 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 896 fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); 897 } else { 898 /* get ramdisk component image node offset */ 899 show_boot_progress (123); 900 rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); 901 } 902 if (rd_noffset < 0) { 903 puts ("Could not find subimage node\n"); 904 show_boot_progress (-124); 905 return 1; 906 } 907 908 printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); 909 910 show_boot_progress (125); 911 if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) 912 return 1; 913 914 /* get ramdisk image data address and length */ 915 if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { 916 puts ("Could not find ramdisk subimage data!\n"); 917 show_boot_progress (-127); 918 return 1; 919 } 920 show_boot_progress (128); 921 922 rd_data = (ulong)data; 923 rd_len = size; 924 925 if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { 926 puts ("Can't get ramdisk subimage load address!\n"); 927 show_boot_progress (-129); 928 return 1; 929 } 930 show_boot_progress (129); 931 932 images->fit_hdr_rd = fit_hdr; 933 images->fit_uname_rd = fit_uname_ramdisk; 934 images->fit_noffset_rd = rd_noffset; 935 break; 936 #endif 937 default: 938 puts ("Wrong Ramdisk Image Format\n"); 939 rd_data = rd_len = rd_load = 0; 940 return 1; 941 } 942 943 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 944 /* 945 * We need to copy the ramdisk to SRAM to let Linux boot 946 */ 947 if (rd_data) { 948 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 949 rd_data = rd_load; 950 } 951 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 952 953 } else if (images->legacy_hdr_valid && 954 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 955 /* 956 * Now check if we have a legacy mult-component image, 957 * get second entry data start address and len. 958 */ 959 show_boot_progress (13); 960 printf ("## Loading init Ramdisk from multi component " 961 "Legacy Image at %08lx ...\n", 962 (ulong)images->legacy_hdr_os); 963 964 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 965 } else { 966 /* 967 * no initrd image 968 */ 969 show_boot_progress (14); 970 rd_len = rd_data = 0; 971 } 972 973 if (!rd_data) { 974 debug ("## No init Ramdisk\n"); 975 } else { 976 *rd_start = rd_data; 977 *rd_end = rd_data + rd_len; 978 } 979 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 980 *rd_start, *rd_end); 981 982 return 0; 983 } 984 985 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) 986 /** 987 * boot_ramdisk_high - relocate init ramdisk 988 * @lmb: pointer to lmb handle, will be used for memory mgmt 989 * @rd_data: ramdisk data start address 990 * @rd_len: ramdisk data length 991 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 992 * start address (after possible relocation) 993 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 994 * end address (after possible relocation) 995 * 996 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 997 * variable and if requested ramdisk data is moved to a specified location. 998 * 999 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 1000 * start/end addresses if ramdisk image start and len were provided, 1001 * otherwise set initrd_start and initrd_end set to zeros. 1002 * 1003 * returns: 1004 * 0 - success 1005 * -1 - failure 1006 */ 1007 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 1008 ulong *initrd_start, ulong *initrd_end) 1009 { 1010 char *s; 1011 ulong initrd_high; 1012 int initrd_copy_to_ram = 1; 1013 1014 if ((s = getenv ("initrd_high")) != NULL) { 1015 /* a value of "no" or a similar string will act like 0, 1016 * turning the "load high" feature off. This is intentional. 1017 */ 1018 initrd_high = simple_strtoul (s, NULL, 16); 1019 if (initrd_high == ~0) 1020 initrd_copy_to_ram = 0; 1021 } else { 1022 /* not set, no restrictions to load high */ 1023 initrd_high = ~0; 1024 } 1025 1026 1027 #ifdef CONFIG_LOGBUFFER 1028 /* Prevent initrd from overwriting logbuffer */ 1029 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1030 #endif 1031 1032 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1033 initrd_high, initrd_copy_to_ram); 1034 1035 if (rd_data) { 1036 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1037 debug (" in-place initrd\n"); 1038 *initrd_start = rd_data; 1039 *initrd_end = rd_data + rd_len; 1040 lmb_reserve(lmb, rd_data, rd_len); 1041 } else { 1042 if (initrd_high) 1043 *initrd_start = (ulong)lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 1044 else 1045 *initrd_start = (ulong)lmb_alloc (lmb, rd_len, 0x1000); 1046 1047 if (*initrd_start == 0) { 1048 puts ("ramdisk - allocation error\n"); 1049 goto error; 1050 } 1051 show_boot_progress (12); 1052 1053 *initrd_end = *initrd_start + rd_len; 1054 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 1055 *initrd_start, *initrd_end); 1056 1057 memmove_wd ((void *)*initrd_start, 1058 (void *)rd_data, rd_len, CHUNKSZ); 1059 1060 puts ("OK\n"); 1061 } 1062 } else { 1063 *initrd_start = 0; 1064 *initrd_end = 0; 1065 } 1066 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1067 *initrd_start, *initrd_end); 1068 1069 return 0; 1070 1071 error: 1072 return -1; 1073 } 1074 #endif /* defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) */ 1075 1076 #ifdef CONFIG_OF_LIBFDT 1077 static void fdt_error (const char *msg) 1078 { 1079 puts ("ERROR: "); 1080 puts (msg); 1081 puts (" - must RESET the board to recover.\n"); 1082 } 1083 1084 static image_header_t *image_get_fdt (ulong fdt_addr) 1085 { 1086 image_header_t *fdt_hdr = (image_header_t *)fdt_addr; 1087 1088 image_print_contents (fdt_hdr); 1089 1090 puts (" Verifying Checksum ... "); 1091 if (!image_check_hcrc (fdt_hdr)) { 1092 fdt_error ("fdt header checksum invalid"); 1093 return NULL; 1094 } 1095 1096 if (!image_check_dcrc (fdt_hdr)) { 1097 fdt_error ("fdt checksum invalid"); 1098 return NULL; 1099 } 1100 puts ("OK\n"); 1101 1102 if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) { 1103 fdt_error ("uImage is not a fdt"); 1104 return NULL; 1105 } 1106 if (image_get_comp (fdt_hdr) != IH_COMP_NONE) { 1107 fdt_error ("uImage is compressed"); 1108 return NULL; 1109 } 1110 if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) { 1111 fdt_error ("uImage data is not a fdt"); 1112 return NULL; 1113 } 1114 return fdt_hdr; 1115 } 1116 1117 /** 1118 * fit_check_fdt - verify FIT format FDT subimage 1119 * @fit_hdr: pointer to the FIT header 1120 * fdt_noffset: FDT subimage node offset within FIT image 1121 * @verify: data CRC verification flag 1122 * 1123 * fit_check_fdt() verifies integrity of the FDT subimage and from 1124 * specified FIT image. 1125 * 1126 * returns: 1127 * 1, on success 1128 * 0, on failure 1129 */ 1130 #if defined(CONFIG_FIT) 1131 static int fit_check_fdt (const void *fit, int fdt_noffset, int verify) 1132 { 1133 fit_image_print (fit, fdt_noffset, " "); 1134 1135 if (verify) { 1136 puts (" Verifying Hash Integrity ... "); 1137 if (!fit_image_check_hashes (fit, fdt_noffset)) { 1138 fdt_error ("Bad Data Hash"); 1139 return 0; 1140 } 1141 puts ("OK\n"); 1142 } 1143 1144 if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) { 1145 fdt_error ("Not a FDT image"); 1146 return 0; 1147 } 1148 1149 if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) { 1150 fdt_error ("FDT image is compressed"); 1151 return 0; 1152 } 1153 1154 return 1; 1155 } 1156 #endif /* CONFIG_FIT */ 1157 1158 #ifndef CONFIG_SYS_FDT_PAD 1159 #define CONFIG_SYS_FDT_PAD 0x3000 1160 #endif 1161 1162 /** 1163 * boot_relocate_fdt - relocate flat device tree 1164 * @lmb: pointer to lmb handle, will be used for memory mgmt 1165 * @bootmap_base: base address of the bootmap region 1166 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1167 * @of_size: pointer to a ulong variable, will hold fdt length 1168 * 1169 * boot_relocate_fdt() determines if the of_flat_tree address is within 1170 * the bootmap and if not relocates it into that region 1171 * 1172 * of_flat_tree and of_size are set to final (after relocation) values 1173 * 1174 * returns: 1175 * 0 - success 1176 * 1 - failure 1177 */ 1178 int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base, 1179 char **of_flat_tree, ulong *of_size) 1180 { 1181 char *fdt_blob = *of_flat_tree; 1182 ulong relocate = 0; 1183 ulong of_len = 0; 1184 1185 /* nothing to do */ 1186 if (*of_size == 0) 1187 return 0; 1188 1189 if (fdt_check_header (fdt_blob) != 0) { 1190 fdt_error ("image is not a fdt"); 1191 goto error; 1192 } 1193 1194 #ifndef CONFIG_SYS_NO_FLASH 1195 /* move the blob if it is in flash (set relocate) */ 1196 if (addr2info ((ulong)fdt_blob) != NULL) 1197 relocate = 1; 1198 #endif 1199 1200 /* 1201 * The blob needs to be inside the boot mapping. 1202 */ 1203 if (fdt_blob < (char *)bootmap_base) 1204 relocate = 1; 1205 1206 if ((fdt_blob + *of_size + CONFIG_SYS_FDT_PAD) >= 1207 ((char *)CONFIG_SYS_BOOTMAPSZ + bootmap_base)) 1208 relocate = 1; 1209 1210 /* move flattend device tree if needed */ 1211 if (relocate) { 1212 int err; 1213 ulong of_start = 0; 1214 1215 /* position on a 4K boundary before the alloc_current */ 1216 /* Pad the FDT by a specified amount */ 1217 of_len = *of_size + CONFIG_SYS_FDT_PAD; 1218 of_start = (unsigned long)lmb_alloc_base(lmb, of_len, 0x1000, 1219 (CONFIG_SYS_BOOTMAPSZ + bootmap_base)); 1220 1221 if (of_start == 0) { 1222 puts("device tree - allocation error\n"); 1223 goto error; 1224 } 1225 1226 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", 1227 (ulong)fdt_blob, (ulong)fdt_blob + *of_size - 1, 1228 of_len, of_len); 1229 1230 printf (" Loading Device Tree to %08lx, end %08lx ... ", 1231 of_start, of_start + of_len - 1); 1232 1233 err = fdt_open_into (fdt_blob, (void *)of_start, of_len); 1234 if (err != 0) { 1235 fdt_error ("fdt move failed"); 1236 goto error; 1237 } 1238 puts ("OK\n"); 1239 1240 *of_flat_tree = (char *)of_start; 1241 *of_size = of_len; 1242 } else { 1243 *of_flat_tree = fdt_blob; 1244 of_len = (CONFIG_SYS_BOOTMAPSZ + bootmap_base) - (ulong)fdt_blob; 1245 lmb_reserve(lmb, (ulong)fdt_blob, of_len); 1246 fdt_set_totalsize(*of_flat_tree, of_len); 1247 1248 *of_size = of_len; 1249 } 1250 1251 set_working_fdt_addr(*of_flat_tree); 1252 return 0; 1253 1254 error: 1255 return 1; 1256 } 1257 1258 /** 1259 * boot_get_fdt - main fdt handling routine 1260 * @argc: command argument count 1261 * @argv: command argument list 1262 * @images: pointer to the bootm images structure 1263 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1264 * @of_size: pointer to a ulong variable, will hold fdt length 1265 * 1266 * boot_get_fdt() is responsible for finding a valid flat device tree image. 1267 * Curently supported are the following ramdisk sources: 1268 * - multicomponent kernel/ramdisk image, 1269 * - commandline provided address of decicated ramdisk image. 1270 * 1271 * returns: 1272 * 0, if fdt image was found and valid, or skipped 1273 * of_flat_tree and of_size are set to fdt start address and length if 1274 * fdt image is found and valid 1275 * 1276 * 1, if fdt image is found but corrupted 1277 * of_flat_tree and of_size are set to 0 if no fdt exists 1278 */ 1279 int boot_get_fdt (int flag, int argc, char *argv[], bootm_headers_t *images, 1280 char **of_flat_tree, ulong *of_size) 1281 { 1282 ulong fdt_addr; 1283 image_header_t *fdt_hdr; 1284 char *fdt_blob = NULL; 1285 ulong image_start, image_end; 1286 ulong load_start, load_end; 1287 #if defined(CONFIG_FIT) 1288 void *fit_hdr; 1289 const char *fit_uname_config = NULL; 1290 const char *fit_uname_fdt = NULL; 1291 ulong default_addr; 1292 int cfg_noffset; 1293 int fdt_noffset; 1294 const void *data; 1295 size_t size; 1296 #endif 1297 1298 *of_flat_tree = NULL; 1299 *of_size = 0; 1300 1301 if (argc > 3 || genimg_has_config (images)) { 1302 #if defined(CONFIG_FIT) 1303 if (argc > 3) { 1304 /* 1305 * If the FDT blob comes from the FIT image and the 1306 * FIT image address is omitted in the command line 1307 * argument, try to use ramdisk or os FIT image 1308 * address or default load address. 1309 */ 1310 if (images->fit_uname_rd) 1311 default_addr = (ulong)images->fit_hdr_rd; 1312 else if (images->fit_uname_os) 1313 default_addr = (ulong)images->fit_hdr_os; 1314 else 1315 default_addr = load_addr; 1316 1317 if (fit_parse_conf (argv[3], default_addr, 1318 &fdt_addr, &fit_uname_config)) { 1319 debug ("* fdt: config '%s' from image at 0x%08lx\n", 1320 fit_uname_config, fdt_addr); 1321 } else if (fit_parse_subimage (argv[3], default_addr, 1322 &fdt_addr, &fit_uname_fdt)) { 1323 debug ("* fdt: subimage '%s' from image at 0x%08lx\n", 1324 fit_uname_fdt, fdt_addr); 1325 } else 1326 #endif 1327 { 1328 fdt_addr = simple_strtoul(argv[3], NULL, 16); 1329 debug ("* fdt: cmdline image address = 0x%08lx\n", 1330 fdt_addr); 1331 } 1332 #if defined(CONFIG_FIT) 1333 } else { 1334 /* use FIT configuration provided in first bootm 1335 * command argument 1336 */ 1337 fdt_addr = (ulong)images->fit_hdr_os; 1338 fit_uname_config = images->fit_uname_cfg; 1339 debug ("* fdt: using config '%s' from image at 0x%08lx\n", 1340 fit_uname_config, fdt_addr); 1341 1342 /* 1343 * Check whether configuration has FDT blob defined, 1344 * if not quit silently. 1345 */ 1346 fit_hdr = (void *)fdt_addr; 1347 cfg_noffset = fit_conf_get_node (fit_hdr, 1348 fit_uname_config); 1349 if (cfg_noffset < 0) { 1350 debug ("* fdt: no such config\n"); 1351 return 0; 1352 } 1353 1354 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1355 cfg_noffset); 1356 if (fdt_noffset < 0) { 1357 debug ("* fdt: no fdt in config\n"); 1358 return 0; 1359 } 1360 } 1361 #endif 1362 1363 debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n", 1364 fdt_addr); 1365 1366 /* copy from dataflash if needed */ 1367 fdt_addr = genimg_get_image (fdt_addr); 1368 1369 /* 1370 * Check if there is an FDT image at the 1371 * address provided in the second bootm argument 1372 * check image type, for FIT images get a FIT node. 1373 */ 1374 switch (genimg_get_format ((void *)fdt_addr)) { 1375 case IMAGE_FORMAT_LEGACY: 1376 /* verify fdt_addr points to a valid image header */ 1377 printf ("## Flattened Device Tree from Legacy Image at %08lx\n", 1378 fdt_addr); 1379 fdt_hdr = image_get_fdt (fdt_addr); 1380 if (!fdt_hdr) 1381 goto error; 1382 1383 /* 1384 * move image data to the load address, 1385 * make sure we don't overwrite initial image 1386 */ 1387 image_start = (ulong)fdt_hdr; 1388 image_end = image_get_image_end (fdt_hdr); 1389 1390 load_start = image_get_load (fdt_hdr); 1391 load_end = load_start + image_get_data_size (fdt_hdr); 1392 1393 if ((load_start < image_end) && (load_end > image_start)) { 1394 fdt_error ("fdt overwritten"); 1395 goto error; 1396 } 1397 1398 debug (" Loading FDT from 0x%08lx to 0x%08lx\n", 1399 image_get_data (fdt_hdr), load_start); 1400 1401 memmove ((void *)load_start, 1402 (void *)image_get_data (fdt_hdr), 1403 image_get_data_size (fdt_hdr)); 1404 1405 fdt_blob = (char *)load_start; 1406 break; 1407 case IMAGE_FORMAT_FIT: 1408 /* 1409 * This case will catch both: new uImage format 1410 * (libfdt based) and raw FDT blob (also libfdt 1411 * based). 1412 */ 1413 #if defined(CONFIG_FIT) 1414 /* check FDT blob vs FIT blob */ 1415 if (fit_check_format ((const void *)fdt_addr)) { 1416 /* 1417 * FIT image 1418 */ 1419 fit_hdr = (void *)fdt_addr; 1420 printf ("## Flattened Device Tree from FIT Image at %08lx\n", 1421 fdt_addr); 1422 1423 if (!fit_uname_fdt) { 1424 /* 1425 * no FDT blob image node unit name, 1426 * try to get config node first. If 1427 * config unit node name is NULL 1428 * fit_conf_get_node() will try to 1429 * find default config node 1430 */ 1431 cfg_noffset = fit_conf_get_node (fit_hdr, 1432 fit_uname_config); 1433 1434 if (cfg_noffset < 0) { 1435 fdt_error ("Could not find configuration node\n"); 1436 goto error; 1437 } 1438 1439 fit_uname_config = fdt_get_name (fit_hdr, 1440 cfg_noffset, NULL); 1441 printf (" Using '%s' configuration\n", 1442 fit_uname_config); 1443 1444 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1445 cfg_noffset); 1446 fit_uname_fdt = fit_get_name (fit_hdr, 1447 fdt_noffset, NULL); 1448 } else { 1449 /* get FDT component image node offset */ 1450 fdt_noffset = fit_image_get_node (fit_hdr, 1451 fit_uname_fdt); 1452 } 1453 if (fdt_noffset < 0) { 1454 fdt_error ("Could not find subimage node\n"); 1455 goto error; 1456 } 1457 1458 printf (" Trying '%s' FDT blob subimage\n", 1459 fit_uname_fdt); 1460 1461 if (!fit_check_fdt (fit_hdr, fdt_noffset, 1462 images->verify)) 1463 goto error; 1464 1465 /* get ramdisk image data address and length */ 1466 if (fit_image_get_data (fit_hdr, fdt_noffset, 1467 &data, &size)) { 1468 fdt_error ("Could not find FDT subimage data"); 1469 goto error; 1470 } 1471 1472 /* verift that image data is a proper FDT blob */ 1473 if (fdt_check_header ((char *)data) != 0) { 1474 fdt_error ("Subimage data is not a FTD"); 1475 goto error; 1476 } 1477 1478 /* 1479 * move image data to the load address, 1480 * make sure we don't overwrite initial image 1481 */ 1482 image_start = (ulong)fit_hdr; 1483 image_end = fit_get_end (fit_hdr); 1484 1485 if (fit_image_get_load (fit_hdr, fdt_noffset, 1486 &load_start) == 0) { 1487 load_end = load_start + size; 1488 1489 if ((load_start < image_end) && 1490 (load_end > image_start)) { 1491 fdt_error ("FDT overwritten"); 1492 goto error; 1493 } 1494 1495 printf (" Loading FDT from 0x%08lx to 0x%08lx\n", 1496 (ulong)data, load_start); 1497 1498 memmove ((void *)load_start, 1499 (void *)data, size); 1500 1501 fdt_blob = (char *)load_start; 1502 } else { 1503 fdt_blob = (char *)data; 1504 } 1505 1506 images->fit_hdr_fdt = fit_hdr; 1507 images->fit_uname_fdt = fit_uname_fdt; 1508 images->fit_noffset_fdt = fdt_noffset; 1509 break; 1510 } else 1511 #endif 1512 { 1513 /* 1514 * FDT blob 1515 */ 1516 fdt_blob = (char *)fdt_addr; 1517 debug ("* fdt: raw FDT blob\n"); 1518 printf ("## Flattened Device Tree blob at %08lx\n", (long)fdt_blob); 1519 } 1520 break; 1521 default: 1522 puts ("ERROR: Did not find a cmdline Flattened Device Tree\n"); 1523 goto error; 1524 } 1525 1526 printf (" Booting using the fdt blob at 0x%x\n", (int)fdt_blob); 1527 1528 } else if (images->legacy_hdr_valid && 1529 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 1530 1531 ulong fdt_data, fdt_len; 1532 1533 /* 1534 * Now check if we have a legacy multi-component image, 1535 * get second entry data start address and len. 1536 */ 1537 printf ("## Flattened Device Tree from multi " 1538 "component Image at %08lX\n", 1539 (ulong)images->legacy_hdr_os); 1540 1541 image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len); 1542 if (fdt_len) { 1543 1544 fdt_blob = (char *)fdt_data; 1545 printf (" Booting using the fdt at 0x%x\n", (int)fdt_blob); 1546 1547 if (fdt_check_header (fdt_blob) != 0) { 1548 fdt_error ("image is not a fdt"); 1549 goto error; 1550 } 1551 1552 if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) { 1553 fdt_error ("fdt size != image size"); 1554 goto error; 1555 } 1556 } else { 1557 debug ("## No Flattened Device Tree\n"); 1558 return 0; 1559 } 1560 } else { 1561 debug ("## No Flattened Device Tree\n"); 1562 return 0; 1563 } 1564 1565 *of_flat_tree = fdt_blob; 1566 *of_size = be32_to_cpu (fdt_totalsize (fdt_blob)); 1567 debug (" of_flat_tree at 0x%08lx size 0x%08lx\n", 1568 (ulong)*of_flat_tree, *of_size); 1569 1570 return 0; 1571 1572 error: 1573 *of_flat_tree = 0; 1574 *of_size = 0; 1575 return 1; 1576 } 1577 #endif /* CONFIG_OF_LIBFDT */ 1578 1579 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) 1580 /** 1581 * boot_get_cmdline - allocate and initialize kernel cmdline 1582 * @lmb: pointer to lmb handle, will be used for memory mgmt 1583 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1584 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1585 * @bootmap_base: ulong variable, holds offset in physical memory to 1586 * base of bootmap 1587 * 1588 * boot_get_cmdline() allocates space for kernel command line below 1589 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 1590 * variable is present its contents is copied to allocated kernel 1591 * command line. 1592 * 1593 * returns: 1594 * 0 - success 1595 * -1 - failure 1596 */ 1597 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 1598 ulong bootmap_base) 1599 { 1600 char *cmdline; 1601 char *s; 1602 1603 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1604 CONFIG_SYS_BOOTMAPSZ + bootmap_base); 1605 1606 if (cmdline == NULL) 1607 return -1; 1608 1609 if ((s = getenv("bootargs")) == NULL) 1610 s = ""; 1611 1612 strcpy(cmdline, s); 1613 1614 *cmd_start = (ulong) & cmdline[0]; 1615 *cmd_end = *cmd_start + strlen(cmdline); 1616 1617 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1618 1619 return 0; 1620 } 1621 1622 /** 1623 * boot_get_kbd - allocate and initialize kernel copy of board info 1624 * @lmb: pointer to lmb handle, will be used for memory mgmt 1625 * @kbd: double pointer to board info data 1626 * @bootmap_base: ulong variable, holds offset in physical memory to 1627 * base of bootmap 1628 * 1629 * boot_get_kbd() allocates space for kernel copy of board info data below 1630 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1631 * the current u-boot board info data. 1632 * 1633 * returns: 1634 * 0 - success 1635 * -1 - failure 1636 */ 1637 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1638 { 1639 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1640 CONFIG_SYS_BOOTMAPSZ + bootmap_base); 1641 if (*kbd == NULL) 1642 return -1; 1643 1644 **kbd = *(gd->bd); 1645 1646 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1647 1648 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1649 do_bdinfo(NULL, 0, 0, NULL); 1650 #endif 1651 1652 return 0; 1653 } 1654 #endif /* CONFIG_PPC || CONFIG_M68K */ 1655 #endif /* !USE_HOSTCC */ 1656 1657 #if defined(CONFIG_FIT) 1658 /*****************************************************************************/ 1659 /* New uImage format routines */ 1660 /*****************************************************************************/ 1661 #ifndef USE_HOSTCC 1662 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1663 ulong *addr, const char **name) 1664 { 1665 const char *sep; 1666 1667 *addr = addr_curr; 1668 *name = NULL; 1669 1670 sep = strchr (spec, sepc); 1671 if (sep) { 1672 if (sep - spec > 0) 1673 *addr = simple_strtoul (spec, NULL, 16); 1674 1675 *name = sep + 1; 1676 return 1; 1677 } 1678 1679 return 0; 1680 } 1681 1682 /** 1683 * fit_parse_conf - parse FIT configuration spec 1684 * @spec: input string, containing configuration spec 1685 * @add_curr: current image address (to be used as a possible default) 1686 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1687 * configuration 1688 * @conf_name double pointer to a char, will hold pointer to a configuration 1689 * unit name 1690 * 1691 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1692 * where <addr> is a FIT image address that contains configuration 1693 * with a <conf> unit name. 1694 * 1695 * Address part is optional, and if omitted default add_curr will 1696 * be used instead. 1697 * 1698 * returns: 1699 * 1 if spec is a valid configuration string, 1700 * addr and conf_name are set accordingly 1701 * 0 otherwise 1702 */ 1703 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1704 ulong *addr, const char **conf_name) 1705 { 1706 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1707 } 1708 1709 /** 1710 * fit_parse_subimage - parse FIT subimage spec 1711 * @spec: input string, containing subimage spec 1712 * @add_curr: current image address (to be used as a possible default) 1713 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1714 * subimage 1715 * @image_name: double pointer to a char, will hold pointer to a subimage name 1716 * 1717 * fit_parse_subimage() expects subimage spec in the for of 1718 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1719 * subimage with a <subimg> unit name. 1720 * 1721 * Address part is optional, and if omitted default add_curr will 1722 * be used instead. 1723 * 1724 * returns: 1725 * 1 if spec is a valid subimage string, 1726 * addr and image_name are set accordingly 1727 * 0 otherwise 1728 */ 1729 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1730 ulong *addr, const char **image_name) 1731 { 1732 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1733 } 1734 #endif /* !USE_HOSTCC */ 1735 1736 static void fit_get_debug (const void *fit, int noffset, 1737 char *prop_name, int err) 1738 { 1739 debug ("Can't get '%s' property from FIT 0x%08lx, " 1740 "node: offset %d, name %s (%s)\n", 1741 prop_name, (ulong)fit, noffset, 1742 fit_get_name (fit, noffset, NULL), 1743 fdt_strerror (err)); 1744 } 1745 1746 /** 1747 * fit_print_contents - prints out the contents of the FIT format image 1748 * @fit: pointer to the FIT format image header 1749 * @p: pointer to prefix string 1750 * 1751 * fit_print_contents() formats a multi line FIT image contents description. 1752 * The routine prints out FIT image properties (root node level) follwed by 1753 * the details of each component image. 1754 * 1755 * returns: 1756 * no returned results 1757 */ 1758 void fit_print_contents (const void *fit) 1759 { 1760 char *desc; 1761 char *uname; 1762 int images_noffset; 1763 int confs_noffset; 1764 int noffset; 1765 int ndepth; 1766 int count = 0; 1767 int ret; 1768 const char *p; 1769 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1770 time_t timestamp; 1771 #endif 1772 1773 #ifdef USE_HOSTCC 1774 p = ""; 1775 #else 1776 p = " "; 1777 #endif 1778 1779 /* Root node properties */ 1780 ret = fit_get_desc (fit, 0, &desc); 1781 printf ("%sFIT description: ", p); 1782 if (ret) 1783 printf ("unavailable\n"); 1784 else 1785 printf ("%s\n", desc); 1786 1787 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1788 ret = fit_get_timestamp (fit, 0, ×tamp); 1789 printf ("%sCreated: ", p); 1790 if (ret) 1791 printf ("unavailable\n"); 1792 else 1793 genimg_print_time (timestamp); 1794 #endif 1795 1796 /* Find images parent node offset */ 1797 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1798 if (images_noffset < 0) { 1799 printf ("Can't find images parent node '%s' (%s)\n", 1800 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1801 return; 1802 } 1803 1804 /* Process its subnodes, print out component images details */ 1805 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1806 (noffset >= 0) && (ndepth > 0); 1807 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1808 if (ndepth == 1) { 1809 /* 1810 * Direct child node of the images parent node, 1811 * i.e. component image node. 1812 */ 1813 printf ("%s Image %u (%s)\n", p, count++, 1814 fit_get_name(fit, noffset, NULL)); 1815 1816 fit_image_print (fit, noffset, p); 1817 } 1818 } 1819 1820 /* Find configurations parent node offset */ 1821 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 1822 if (confs_noffset < 0) { 1823 debug ("Can't get configurations parent node '%s' (%s)\n", 1824 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 1825 return; 1826 } 1827 1828 /* get default configuration unit name from default property */ 1829 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); 1830 if (uname) 1831 printf ("%s Default Configuration: '%s'\n", p, uname); 1832 1833 /* Process its subnodes, print out configurations details */ 1834 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); 1835 (noffset >= 0) && (ndepth > 0); 1836 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1837 if (ndepth == 1) { 1838 /* 1839 * Direct child node of the configurations parent node, 1840 * i.e. configuration node. 1841 */ 1842 printf ("%s Configuration %u (%s)\n", p, count++, 1843 fit_get_name(fit, noffset, NULL)); 1844 1845 fit_conf_print (fit, noffset, p); 1846 } 1847 } 1848 } 1849 1850 /** 1851 * fit_image_print - prints out the FIT component image details 1852 * @fit: pointer to the FIT format image header 1853 * @image_noffset: offset of the component image node 1854 * @p: pointer to prefix string 1855 * 1856 * fit_image_print() lists all mandatory properies for the processed component 1857 * image. If present, hash nodes are printed out as well. Load 1858 * address for images of type firmware is also printed out. Since the load 1859 * address is not mandatory for firmware images, it will be output as 1860 * "unavailable" when not present. 1861 * 1862 * returns: 1863 * no returned results 1864 */ 1865 void fit_image_print (const void *fit, int image_noffset, const char *p) 1866 { 1867 char *desc; 1868 uint8_t type, arch, os, comp; 1869 size_t size; 1870 ulong load, entry; 1871 const void *data; 1872 int noffset; 1873 int ndepth; 1874 int ret; 1875 1876 /* Mandatory properties */ 1877 ret = fit_get_desc (fit, image_noffset, &desc); 1878 printf ("%s Description: ", p); 1879 if (ret) 1880 printf ("unavailable\n"); 1881 else 1882 printf ("%s\n", desc); 1883 1884 fit_image_get_type (fit, image_noffset, &type); 1885 printf ("%s Type: %s\n", p, genimg_get_type_name (type)); 1886 1887 fit_image_get_comp (fit, image_noffset, &comp); 1888 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); 1889 1890 ret = fit_image_get_data (fit, image_noffset, &data, &size); 1891 1892 #ifndef USE_HOSTCC 1893 printf ("%s Data Start: ", p); 1894 if (ret) 1895 printf ("unavailable\n"); 1896 else 1897 printf ("0x%08lx\n", (ulong)data); 1898 #endif 1899 1900 printf ("%s Data Size: ", p); 1901 if (ret) 1902 printf ("unavailable\n"); 1903 else 1904 genimg_print_size (size); 1905 1906 /* Remaining, type dependent properties */ 1907 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1908 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 1909 (type == IH_TYPE_FLATDT)) { 1910 fit_image_get_arch (fit, image_noffset, &arch); 1911 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); 1912 } 1913 1914 if (type == IH_TYPE_KERNEL) { 1915 fit_image_get_os (fit, image_noffset, &os); 1916 printf ("%s OS: %s\n", p, genimg_get_os_name (os)); 1917 } 1918 1919 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1920 (type == IH_TYPE_FIRMWARE)) { 1921 ret = fit_image_get_load (fit, image_noffset, &load); 1922 printf ("%s Load Address: ", p); 1923 if (ret) 1924 printf ("unavailable\n"); 1925 else 1926 printf ("0x%08lx\n", load); 1927 } 1928 1929 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 1930 fit_image_get_entry (fit, image_noffset, &entry); 1931 printf ("%s Entry Point: ", p); 1932 if (ret) 1933 printf ("unavailable\n"); 1934 else 1935 printf ("0x%08lx\n", entry); 1936 } 1937 1938 /* Process all hash subnodes of the component image node */ 1939 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1940 (noffset >= 0) && (ndepth > 0); 1941 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1942 if (ndepth == 1) { 1943 /* Direct child node of the component image node */ 1944 fit_image_print_hash (fit, noffset, p); 1945 } 1946 } 1947 } 1948 1949 /** 1950 * fit_image_print_hash - prints out the hash node details 1951 * @fit: pointer to the FIT format image header 1952 * @noffset: offset of the hash node 1953 * @p: pointer to prefix string 1954 * 1955 * fit_image_print_hash() lists properies for the processed hash node 1956 * 1957 * returns: 1958 * no returned results 1959 */ 1960 void fit_image_print_hash (const void *fit, int noffset, const char *p) 1961 { 1962 char *algo; 1963 uint8_t *value; 1964 int value_len; 1965 int i, ret; 1966 1967 /* 1968 * Check subnode name, must be equal to "hash". 1969 * Multiple hash nodes require unique unit node 1970 * names, e.g. hash@1, hash@2, etc. 1971 */ 1972 if (strncmp (fit_get_name(fit, noffset, NULL), 1973 FIT_HASH_NODENAME, 1974 strlen(FIT_HASH_NODENAME)) != 0) 1975 return; 1976 1977 debug ("%s Hash node: '%s'\n", p, 1978 fit_get_name (fit, noffset, NULL)); 1979 1980 printf ("%s Hash algo: ", p); 1981 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1982 printf ("invalid/unsupported\n"); 1983 return; 1984 } 1985 printf ("%s\n", algo); 1986 1987 ret = fit_image_hash_get_value (fit, noffset, &value, 1988 &value_len); 1989 printf ("%s Hash value: ", p); 1990 if (ret) { 1991 printf ("unavailable\n"); 1992 } else { 1993 for (i = 0; i < value_len; i++) 1994 printf ("%02x", value[i]); 1995 printf ("\n"); 1996 } 1997 1998 debug ("%s Hash len: %d\n", p, value_len); 1999 } 2000 2001 /** 2002 * fit_get_desc - get node description property 2003 * @fit: pointer to the FIT format image header 2004 * @noffset: node offset 2005 * @desc: double pointer to the char, will hold pointer to the descrption 2006 * 2007 * fit_get_desc() reads description property from a given node, if 2008 * description is found pointer to it is returened in third call argument. 2009 * 2010 * returns: 2011 * 0, on success 2012 * -1, on failure 2013 */ 2014 int fit_get_desc (const void *fit, int noffset, char **desc) 2015 { 2016 int len; 2017 2018 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); 2019 if (*desc == NULL) { 2020 fit_get_debug (fit, noffset, FIT_DESC_PROP, len); 2021 return -1; 2022 } 2023 2024 return 0; 2025 } 2026 2027 /** 2028 * fit_get_timestamp - get node timestamp property 2029 * @fit: pointer to the FIT format image header 2030 * @noffset: node offset 2031 * @timestamp: pointer to the time_t, will hold read timestamp 2032 * 2033 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 2034 * is found and has a correct size its value is retured in third call 2035 * argument. 2036 * 2037 * returns: 2038 * 0, on success 2039 * -1, on property read failure 2040 * -2, on wrong timestamp size 2041 */ 2042 int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) 2043 { 2044 int len; 2045 const void *data; 2046 2047 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); 2048 if (data == NULL) { 2049 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); 2050 return -1; 2051 } 2052 if (len != sizeof (uint32_t)) { 2053 debug ("FIT timestamp with incorrect size of (%u)\n", len); 2054 return -2; 2055 } 2056 2057 *timestamp = uimage_to_cpu (*((uint32_t *)data)); 2058 return 0; 2059 } 2060 2061 /** 2062 * fit_image_get_node - get node offset for component image of a given unit name 2063 * @fit: pointer to the FIT format image header 2064 * @image_uname: component image node unit name 2065 * 2066 * fit_image_get_node() finds a component image (withing the '/images' 2067 * node) of a provided unit name. If image is found its node offset is 2068 * returned to the caller. 2069 * 2070 * returns: 2071 * image node offset when found (>=0) 2072 * negative number on failure (FDT_ERR_* code) 2073 */ 2074 int fit_image_get_node (const void *fit, const char *image_uname) 2075 { 2076 int noffset, images_noffset; 2077 2078 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2079 if (images_noffset < 0) { 2080 debug ("Can't find images parent node '%s' (%s)\n", 2081 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2082 return images_noffset; 2083 } 2084 2085 noffset = fdt_subnode_offset (fit, images_noffset, image_uname); 2086 if (noffset < 0) { 2087 debug ("Can't get node offset for image unit name: '%s' (%s)\n", 2088 image_uname, fdt_strerror (noffset)); 2089 } 2090 2091 return noffset; 2092 } 2093 2094 /** 2095 * fit_image_get_os - get os id for a given component image node 2096 * @fit: pointer to the FIT format image header 2097 * @noffset: component image node offset 2098 * @os: pointer to the uint8_t, will hold os numeric id 2099 * 2100 * fit_image_get_os() finds os property in a given component image node. 2101 * If the property is found, its (string) value is translated to the numeric 2102 * id which is returned to the caller. 2103 * 2104 * returns: 2105 * 0, on success 2106 * -1, on failure 2107 */ 2108 int fit_image_get_os (const void *fit, int noffset, uint8_t *os) 2109 { 2110 int len; 2111 const void *data; 2112 2113 /* Get OS name from property data */ 2114 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); 2115 if (data == NULL) { 2116 fit_get_debug (fit, noffset, FIT_OS_PROP, len); 2117 *os = -1; 2118 return -1; 2119 } 2120 2121 /* Translate OS name to id */ 2122 *os = genimg_get_os_id (data); 2123 return 0; 2124 } 2125 2126 /** 2127 * fit_image_get_arch - get arch id for a given component image node 2128 * @fit: pointer to the FIT format image header 2129 * @noffset: component image node offset 2130 * @arch: pointer to the uint8_t, will hold arch numeric id 2131 * 2132 * fit_image_get_arch() finds arch property in a given component image node. 2133 * If the property is found, its (string) value is translated to the numeric 2134 * id which is returned to the caller. 2135 * 2136 * returns: 2137 * 0, on success 2138 * -1, on failure 2139 */ 2140 int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) 2141 { 2142 int len; 2143 const void *data; 2144 2145 /* Get architecture name from property data */ 2146 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); 2147 if (data == NULL) { 2148 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); 2149 *arch = -1; 2150 return -1; 2151 } 2152 2153 /* Translate architecture name to id */ 2154 *arch = genimg_get_arch_id (data); 2155 return 0; 2156 } 2157 2158 /** 2159 * fit_image_get_type - get type id for a given component image node 2160 * @fit: pointer to the FIT format image header 2161 * @noffset: component image node offset 2162 * @type: pointer to the uint8_t, will hold type numeric id 2163 * 2164 * fit_image_get_type() finds type property in a given component image node. 2165 * If the property is found, its (string) value is translated to the numeric 2166 * id which is returned to the caller. 2167 * 2168 * returns: 2169 * 0, on success 2170 * -1, on failure 2171 */ 2172 int fit_image_get_type (const void *fit, int noffset, uint8_t *type) 2173 { 2174 int len; 2175 const void *data; 2176 2177 /* Get image type name from property data */ 2178 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); 2179 if (data == NULL) { 2180 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); 2181 *type = -1; 2182 return -1; 2183 } 2184 2185 /* Translate image type name to id */ 2186 *type = genimg_get_type_id (data); 2187 return 0; 2188 } 2189 2190 /** 2191 * fit_image_get_comp - get comp id for a given component image node 2192 * @fit: pointer to the FIT format image header 2193 * @noffset: component image node offset 2194 * @comp: pointer to the uint8_t, will hold comp numeric id 2195 * 2196 * fit_image_get_comp() finds comp property in a given component image node. 2197 * If the property is found, its (string) value is translated to the numeric 2198 * id which is returned to the caller. 2199 * 2200 * returns: 2201 * 0, on success 2202 * -1, on failure 2203 */ 2204 int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) 2205 { 2206 int len; 2207 const void *data; 2208 2209 /* Get compression name from property data */ 2210 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); 2211 if (data == NULL) { 2212 fit_get_debug (fit, noffset, FIT_COMP_PROP, len); 2213 *comp = -1; 2214 return -1; 2215 } 2216 2217 /* Translate compression name to id */ 2218 *comp = genimg_get_comp_id (data); 2219 return 0; 2220 } 2221 2222 /** 2223 * fit_image_get_load - get load address property for a given component image node 2224 * @fit: pointer to the FIT format image header 2225 * @noffset: component image node offset 2226 * @load: pointer to the uint32_t, will hold load address 2227 * 2228 * fit_image_get_load() finds load address property in a given component image node. 2229 * If the property is found, its value is returned to the caller. 2230 * 2231 * returns: 2232 * 0, on success 2233 * -1, on failure 2234 */ 2235 int fit_image_get_load (const void *fit, int noffset, ulong *load) 2236 { 2237 int len; 2238 const uint32_t *data; 2239 2240 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); 2241 if (data == NULL) { 2242 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); 2243 return -1; 2244 } 2245 2246 *load = uimage_to_cpu (*data); 2247 return 0; 2248 } 2249 2250 /** 2251 * fit_image_get_entry - get entry point address property for a given component image node 2252 * @fit: pointer to the FIT format image header 2253 * @noffset: component image node offset 2254 * @entry: pointer to the uint32_t, will hold entry point address 2255 * 2256 * fit_image_get_entry() finds entry point address property in a given component image node. 2257 * If the property is found, its value is returned to the caller. 2258 * 2259 * returns: 2260 * 0, on success 2261 * -1, on failure 2262 */ 2263 int fit_image_get_entry (const void *fit, int noffset, ulong *entry) 2264 { 2265 int len; 2266 const uint32_t *data; 2267 2268 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); 2269 if (data == NULL) { 2270 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); 2271 return -1; 2272 } 2273 2274 *entry = uimage_to_cpu (*data); 2275 return 0; 2276 } 2277 2278 /** 2279 * fit_image_get_data - get data property and its size for a given component image node 2280 * @fit: pointer to the FIT format image header 2281 * @noffset: component image node offset 2282 * @data: double pointer to void, will hold data property's data address 2283 * @size: pointer to size_t, will hold data property's data size 2284 * 2285 * fit_image_get_data() finds data property in a given component image node. 2286 * If the property is found its data start address and size are returned to 2287 * the caller. 2288 * 2289 * returns: 2290 * 0, on success 2291 * -1, on failure 2292 */ 2293 int fit_image_get_data (const void *fit, int noffset, 2294 const void **data, size_t *size) 2295 { 2296 int len; 2297 2298 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); 2299 if (*data == NULL) { 2300 fit_get_debug (fit, noffset, FIT_DATA_PROP, len); 2301 *size = 0; 2302 return -1; 2303 } 2304 2305 *size = len; 2306 return 0; 2307 } 2308 2309 /** 2310 * fit_image_hash_get_algo - get hash algorithm name 2311 * @fit: pointer to the FIT format image header 2312 * @noffset: hash node offset 2313 * @algo: double pointer to char, will hold pointer to the algorithm name 2314 * 2315 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 2316 * If the property is found its data start address is returned to the caller. 2317 * 2318 * returns: 2319 * 0, on success 2320 * -1, on failure 2321 */ 2322 int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) 2323 { 2324 int len; 2325 2326 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); 2327 if (*algo == NULL) { 2328 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); 2329 return -1; 2330 } 2331 2332 return 0; 2333 } 2334 2335 /** 2336 * fit_image_hash_get_value - get hash value and length 2337 * @fit: pointer to the FIT format image header 2338 * @noffset: hash node offset 2339 * @value: double pointer to uint8_t, will hold address of a hash value data 2340 * @value_len: pointer to an int, will hold hash data length 2341 * 2342 * fit_image_hash_get_value() finds hash value property in a given hash node. 2343 * If the property is found its data start address and size are returned to 2344 * the caller. 2345 * 2346 * returns: 2347 * 0, on success 2348 * -1, on failure 2349 */ 2350 int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, 2351 int *value_len) 2352 { 2353 int len; 2354 2355 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); 2356 if (*value == NULL) { 2357 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); 2358 *value_len = 0; 2359 return -1; 2360 } 2361 2362 *value_len = len; 2363 return 0; 2364 } 2365 2366 /** 2367 * fit_set_timestamp - set node timestamp property 2368 * @fit: pointer to the FIT format image header 2369 * @noffset: node offset 2370 * @timestamp: timestamp value to be set 2371 * 2372 * fit_set_timestamp() attempts to set timestamp property in the requested 2373 * node and returns operation status to the caller. 2374 * 2375 * returns: 2376 * 0, on success 2377 * -1, on property read failure 2378 */ 2379 int fit_set_timestamp (void *fit, int noffset, time_t timestamp) 2380 { 2381 uint32_t t; 2382 int ret; 2383 2384 t = cpu_to_uimage (timestamp); 2385 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, 2386 sizeof (uint32_t)); 2387 if (ret) { 2388 printf ("Can't set '%s' property for '%s' node (%s)\n", 2389 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), 2390 fdt_strerror (ret)); 2391 return -1; 2392 } 2393 2394 return 0; 2395 } 2396 2397 /** 2398 * calculate_hash - calculate and return hash for provided input data 2399 * @data: pointer to the input data 2400 * @data_len: data length 2401 * @algo: requested hash algorithm 2402 * @value: pointer to the char, will hold hash value data (caller must 2403 * allocate enough free space) 2404 * value_len: length of the calculated hash 2405 * 2406 * calculate_hash() computes input data hash according to the requested algorithm. 2407 * Resulting hash value is placed in caller provided 'value' buffer, length 2408 * of the calculated hash is returned via value_len pointer argument. 2409 * 2410 * returns: 2411 * 0, on success 2412 * -1, when algo is unsupported 2413 */ 2414 static int calculate_hash (const void *data, int data_len, const char *algo, 2415 uint8_t *value, int *value_len) 2416 { 2417 if (strcmp (algo, "crc32") == 0 ) { 2418 *((uint32_t *)value) = crc32_wd (0, data, data_len, 2419 CHUNKSZ_CRC32); 2420 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); 2421 *value_len = 4; 2422 } else if (strcmp (algo, "sha1") == 0 ) { 2423 sha1_csum_wd ((unsigned char *) data, data_len, 2424 (unsigned char *) value, CHUNKSZ_SHA1); 2425 *value_len = 20; 2426 } else if (strcmp (algo, "md5") == 0 ) { 2427 md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5); 2428 *value_len = 16; 2429 } else { 2430 debug ("Unsupported hash alogrithm\n"); 2431 return -1; 2432 } 2433 return 0; 2434 } 2435 2436 #ifdef USE_HOSTCC 2437 /** 2438 * fit_set_hashes - process FIT component image nodes and calculate hashes 2439 * @fit: pointer to the FIT format image header 2440 * 2441 * fit_set_hashes() adds hash values for all component images in the FIT blob. 2442 * Hashes are calculated for all component images which have hash subnodes 2443 * with algorithm property set to one of the supported hash algorithms. 2444 * 2445 * returns 2446 * 0, on success 2447 * libfdt error code, on failure 2448 */ 2449 int fit_set_hashes (void *fit) 2450 { 2451 int images_noffset; 2452 int noffset; 2453 int ndepth; 2454 int ret; 2455 2456 /* Find images parent node offset */ 2457 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2458 if (images_noffset < 0) { 2459 printf ("Can't find images parent node '%s' (%s)\n", 2460 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2461 return images_noffset; 2462 } 2463 2464 /* Process its subnodes, print out component images details */ 2465 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 2466 (noffset >= 0) && (ndepth > 0); 2467 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2468 if (ndepth == 1) { 2469 /* 2470 * Direct child node of the images parent node, 2471 * i.e. component image node. 2472 */ 2473 ret = fit_image_set_hashes (fit, noffset); 2474 if (ret) 2475 return ret; 2476 } 2477 } 2478 2479 return 0; 2480 } 2481 2482 /** 2483 * fit_image_set_hashes - calculate/set hashes for given component image node 2484 * @fit: pointer to the FIT format image header 2485 * @image_noffset: requested component image node 2486 * 2487 * fit_image_set_hashes() adds hash values for an component image node. All 2488 * existing hash subnodes are checked, if algorithm property is set to one of 2489 * the supported hash algorithms, hash value is computed and corresponding 2490 * hash node property is set, for example: 2491 * 2492 * Input component image node structure: 2493 * 2494 * o image@1 (at image_noffset) 2495 * | - data = [binary data] 2496 * o hash@1 2497 * |- algo = "sha1" 2498 * 2499 * Output component image node structure: 2500 * 2501 * o image@1 (at image_noffset) 2502 * | - data = [binary data] 2503 * o hash@1 2504 * |- algo = "sha1" 2505 * |- value = sha1(data) 2506 * 2507 * returns: 2508 * 0 on sucess 2509 * <0 on failure 2510 */ 2511 int fit_image_set_hashes (void *fit, int image_noffset) 2512 { 2513 const void *data; 2514 size_t size; 2515 char *algo; 2516 uint8_t value[FIT_MAX_HASH_LEN]; 2517 int value_len; 2518 int noffset; 2519 int ndepth; 2520 2521 /* Get image data and data length */ 2522 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2523 printf ("Can't get image data/size\n"); 2524 return -1; 2525 } 2526 2527 /* Process all hash subnodes of the component image node */ 2528 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2529 (noffset >= 0) && (ndepth > 0); 2530 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2531 if (ndepth == 1) { 2532 /* Direct child node of the component image node */ 2533 2534 /* 2535 * Check subnode name, must be equal to "hash". 2536 * Multiple hash nodes require unique unit node 2537 * names, e.g. hash@1, hash@2, etc. 2538 */ 2539 if (strncmp (fit_get_name(fit, noffset, NULL), 2540 FIT_HASH_NODENAME, 2541 strlen(FIT_HASH_NODENAME)) != 0) { 2542 /* Not a hash subnode, skip it */ 2543 continue; 2544 } 2545 2546 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2547 printf ("Can't get hash algo property for " 2548 "'%s' hash node in '%s' image node\n", 2549 fit_get_name (fit, noffset, NULL), 2550 fit_get_name (fit, image_noffset, NULL)); 2551 return -1; 2552 } 2553 2554 if (calculate_hash (data, size, algo, value, &value_len)) { 2555 printf ("Unsupported hash algorithm (%s) for " 2556 "'%s' hash node in '%s' image node\n", 2557 algo, fit_get_name (fit, noffset, NULL), 2558 fit_get_name (fit, image_noffset, NULL)); 2559 return -1; 2560 } 2561 2562 if (fit_image_hash_set_value (fit, noffset, value, 2563 value_len)) { 2564 printf ("Can't set hash value for " 2565 "'%s' hash node in '%s' image node\n", 2566 fit_get_name (fit, noffset, NULL), 2567 fit_get_name (fit, image_noffset, NULL)); 2568 return -1; 2569 } 2570 } 2571 } 2572 2573 return 0; 2574 } 2575 2576 /** 2577 * fit_image_hash_set_value - set hash value in requested has node 2578 * @fit: pointer to the FIT format image header 2579 * @noffset: hash node offset 2580 * @value: hash value to be set 2581 * @value_len: hash value length 2582 * 2583 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2584 * given and returns operation status to the caller. 2585 * 2586 * returns 2587 * 0, on success 2588 * -1, on failure 2589 */ 2590 int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, 2591 int value_len) 2592 { 2593 int ret; 2594 2595 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); 2596 if (ret) { 2597 printf ("Can't set hash '%s' property for '%s' node (%s)\n", 2598 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), 2599 fdt_strerror (ret)); 2600 return -1; 2601 } 2602 2603 return 0; 2604 } 2605 #endif /* USE_HOSTCC */ 2606 2607 /** 2608 * fit_image_check_hashes - verify data intergity 2609 * @fit: pointer to the FIT format image header 2610 * @image_noffset: component image node offset 2611 * 2612 * fit_image_check_hashes() goes over component image hash nodes, 2613 * re-calculates each data hash and compares with the value stored in hash 2614 * node. 2615 * 2616 * returns: 2617 * 1, if all hashes are valid 2618 * 0, otherwise (or on error) 2619 */ 2620 int fit_image_check_hashes (const void *fit, int image_noffset) 2621 { 2622 const void *data; 2623 size_t size; 2624 char *algo; 2625 uint8_t *fit_value; 2626 int fit_value_len; 2627 uint8_t value[FIT_MAX_HASH_LEN]; 2628 int value_len; 2629 int noffset; 2630 int ndepth; 2631 char *err_msg = ""; 2632 2633 /* Get image data and data length */ 2634 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2635 printf ("Can't get image data/size\n"); 2636 return 0; 2637 } 2638 2639 /* Process all hash subnodes of the component image node */ 2640 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2641 (noffset >= 0) && (ndepth > 0); 2642 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2643 if (ndepth == 1) { 2644 /* Direct child node of the component image node */ 2645 2646 /* 2647 * Check subnode name, must be equal to "hash". 2648 * Multiple hash nodes require unique unit node 2649 * names, e.g. hash@1, hash@2, etc. 2650 */ 2651 if (strncmp (fit_get_name(fit, noffset, NULL), 2652 FIT_HASH_NODENAME, 2653 strlen(FIT_HASH_NODENAME)) != 0) 2654 continue; 2655 2656 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2657 err_msg = " error!\nCan't get hash algo " 2658 "property"; 2659 goto error; 2660 } 2661 printf ("%s", algo); 2662 2663 if (fit_image_hash_get_value (fit, noffset, &fit_value, 2664 &fit_value_len)) { 2665 err_msg = " error!\nCan't get hash value " 2666 "property"; 2667 goto error; 2668 } 2669 2670 if (calculate_hash (data, size, algo, value, &value_len)) { 2671 err_msg = " error!\nUnsupported hash algorithm"; 2672 goto error; 2673 } 2674 2675 if (value_len != fit_value_len) { 2676 err_msg = " error !\nBad hash value len"; 2677 goto error; 2678 } else if (memcmp (value, fit_value, value_len) != 0) { 2679 err_msg = " error!\nBad hash value"; 2680 goto error; 2681 } 2682 printf ("+ "); 2683 } 2684 } 2685 2686 return 1; 2687 2688 error: 2689 printf ("%s for '%s' hash node in '%s' image node\n", 2690 err_msg, fit_get_name (fit, noffset, NULL), 2691 fit_get_name (fit, image_noffset, NULL)); 2692 return 0; 2693 } 2694 2695 /** 2696 * fit_all_image_check_hashes - verify data intergity for all images 2697 * @fit: pointer to the FIT format image header 2698 * 2699 * fit_all_image_check_hashes() goes over all images in the FIT and 2700 * for every images checks if all it's hashes are valid. 2701 * 2702 * returns: 2703 * 1, if all hashes of all images are valid 2704 * 0, otherwise (or on error) 2705 */ 2706 int fit_all_image_check_hashes (const void *fit) 2707 { 2708 int images_noffset; 2709 int noffset; 2710 int ndepth; 2711 int count; 2712 2713 /* Find images parent node offset */ 2714 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2715 if (images_noffset < 0) { 2716 printf ("Can't find images parent node '%s' (%s)\n", 2717 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2718 return 0; 2719 } 2720 2721 /* Process all image subnodes, check hashes for each */ 2722 printf ("## Checking hash(es) for FIT Image at %08lx ...\n", 2723 (ulong)fit); 2724 for (ndepth = 0, count = 0, 2725 noffset = fdt_next_node (fit, images_noffset, &ndepth); 2726 (noffset >= 0) && (ndepth > 0); 2727 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2728 if (ndepth == 1) { 2729 /* 2730 * Direct child node of the images parent node, 2731 * i.e. component image node. 2732 */ 2733 printf (" Hash(es) for Image %u (%s): ", count++, 2734 fit_get_name (fit, noffset, NULL)); 2735 2736 if (!fit_image_check_hashes (fit, noffset)) 2737 return 0; 2738 printf ("\n"); 2739 } 2740 } 2741 return 1; 2742 } 2743 2744 /** 2745 * fit_image_check_os - check whether image node is of a given os type 2746 * @fit: pointer to the FIT format image header 2747 * @noffset: component image node offset 2748 * @os: requested image os 2749 * 2750 * fit_image_check_os() reads image os property and compares its numeric 2751 * id with the requested os. Comparison result is returned to the caller. 2752 * 2753 * returns: 2754 * 1 if image is of given os type 2755 * 0 otherwise (or on error) 2756 */ 2757 int fit_image_check_os (const void *fit, int noffset, uint8_t os) 2758 { 2759 uint8_t image_os; 2760 2761 if (fit_image_get_os (fit, noffset, &image_os)) 2762 return 0; 2763 return (os == image_os); 2764 } 2765 2766 /** 2767 * fit_image_check_arch - check whether image node is of a given arch 2768 * @fit: pointer to the FIT format image header 2769 * @noffset: component image node offset 2770 * @arch: requested imagearch 2771 * 2772 * fit_image_check_arch() reads image arch property and compares its numeric 2773 * id with the requested arch. Comparison result is returned to the caller. 2774 * 2775 * returns: 2776 * 1 if image is of given arch 2777 * 0 otherwise (or on error) 2778 */ 2779 int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) 2780 { 2781 uint8_t image_arch; 2782 2783 if (fit_image_get_arch (fit, noffset, &image_arch)) 2784 return 0; 2785 return (arch == image_arch); 2786 } 2787 2788 /** 2789 * fit_image_check_type - check whether image node is of a given type 2790 * @fit: pointer to the FIT format image header 2791 * @noffset: component image node offset 2792 * @type: requested image type 2793 * 2794 * fit_image_check_type() reads image type property and compares its numeric 2795 * id with the requested type. Comparison result is returned to the caller. 2796 * 2797 * returns: 2798 * 1 if image is of given type 2799 * 0 otherwise (or on error) 2800 */ 2801 int fit_image_check_type (const void *fit, int noffset, uint8_t type) 2802 { 2803 uint8_t image_type; 2804 2805 if (fit_image_get_type (fit, noffset, &image_type)) 2806 return 0; 2807 return (type == image_type); 2808 } 2809 2810 /** 2811 * fit_image_check_comp - check whether image node uses given compression 2812 * @fit: pointer to the FIT format image header 2813 * @noffset: component image node offset 2814 * @comp: requested image compression type 2815 * 2816 * fit_image_check_comp() reads image compression property and compares its 2817 * numeric id with the requested compression type. Comparison result is 2818 * returned to the caller. 2819 * 2820 * returns: 2821 * 1 if image uses requested compression 2822 * 0 otherwise (or on error) 2823 */ 2824 int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) 2825 { 2826 uint8_t image_comp; 2827 2828 if (fit_image_get_comp (fit, noffset, &image_comp)) 2829 return 0; 2830 return (comp == image_comp); 2831 } 2832 2833 /** 2834 * fit_check_format - sanity check FIT image format 2835 * @fit: pointer to the FIT format image header 2836 * 2837 * fit_check_format() runs a basic sanity FIT image verification. 2838 * Routine checks for mandatory properties, nodes, etc. 2839 * 2840 * returns: 2841 * 1, on success 2842 * 0, on failure 2843 */ 2844 int fit_check_format (const void *fit) 2845 { 2846 /* mandatory / node 'description' property */ 2847 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2848 debug ("Wrong FIT format: no description\n"); 2849 return 0; 2850 } 2851 2852 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2853 /* mandatory / node 'timestamp' property */ 2854 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2855 debug ("Wrong FIT format: no timestamp\n"); 2856 return 0; 2857 } 2858 #endif 2859 2860 /* mandatory subimages parent '/images' node */ 2861 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { 2862 debug ("Wrong FIT format: no images parent node\n"); 2863 return 0; 2864 } 2865 2866 return 1; 2867 } 2868 2869 /** 2870 * fit_conf_get_node - get node offset for configuration of a given unit name 2871 * @fit: pointer to the FIT format image header 2872 * @conf_uname: configuration node unit name 2873 * 2874 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2875 * parant node) of a provided unit name. If configuration is found its node offset 2876 * is returned to the caller. 2877 * 2878 * When NULL is provided in second argument fit_conf_get_node() will search 2879 * for a default configuration node instead. Default configuration node unit name 2880 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2881 * 2882 * returns: 2883 * configuration node offset when found (>=0) 2884 * negative number on failure (FDT_ERR_* code) 2885 */ 2886 int fit_conf_get_node (const void *fit, const char *conf_uname) 2887 { 2888 int noffset, confs_noffset; 2889 int len; 2890 2891 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 2892 if (confs_noffset < 0) { 2893 debug ("Can't find configurations parent node '%s' (%s)\n", 2894 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 2895 return confs_noffset; 2896 } 2897 2898 if (conf_uname == NULL) { 2899 /* get configuration unit name from the default property */ 2900 debug ("No configuration specified, trying default...\n"); 2901 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); 2902 if (conf_uname == NULL) { 2903 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); 2904 return len; 2905 } 2906 debug ("Found default configuration: '%s'\n", conf_uname); 2907 } 2908 2909 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); 2910 if (noffset < 0) { 2911 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", 2912 conf_uname, fdt_strerror (noffset)); 2913 } 2914 2915 return noffset; 2916 } 2917 2918 static int __fit_conf_get_prop_node (const void *fit, int noffset, 2919 const char *prop_name) 2920 { 2921 char *uname; 2922 int len; 2923 2924 /* get kernel image unit name from configuration kernel property */ 2925 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); 2926 if (uname == NULL) 2927 return len; 2928 2929 return fit_image_get_node (fit, uname); 2930 } 2931 2932 /** 2933 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 2934 * a given configuration 2935 * @fit: pointer to the FIT format image header 2936 * @noffset: configuration node offset 2937 * 2938 * fit_conf_get_kernel_node() retrives kernel image node unit name from 2939 * configuration FIT_KERNEL_PROP property and translates it to the node 2940 * offset. 2941 * 2942 * returns: 2943 * image node offset when found (>=0) 2944 * negative number on failure (FDT_ERR_* code) 2945 */ 2946 int fit_conf_get_kernel_node (const void *fit, int noffset) 2947 { 2948 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); 2949 } 2950 2951 /** 2952 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 2953 * a given configuration 2954 * @fit: pointer to the FIT format image header 2955 * @noffset: configuration node offset 2956 * 2957 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 2958 * configuration FIT_KERNEL_PROP property and translates it to the node 2959 * offset. 2960 * 2961 * returns: 2962 * image node offset when found (>=0) 2963 * negative number on failure (FDT_ERR_* code) 2964 */ 2965 int fit_conf_get_ramdisk_node (const void *fit, int noffset) 2966 { 2967 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); 2968 } 2969 2970 /** 2971 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 2972 * a given configuration 2973 * @fit: pointer to the FIT format image header 2974 * @noffset: configuration node offset 2975 * 2976 * fit_conf_get_fdt_node() retrives fdt image node unit name from 2977 * configuration FIT_KERNEL_PROP property and translates it to the node 2978 * offset. 2979 * 2980 * returns: 2981 * image node offset when found (>=0) 2982 * negative number on failure (FDT_ERR_* code) 2983 */ 2984 int fit_conf_get_fdt_node (const void *fit, int noffset) 2985 { 2986 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); 2987 } 2988 2989 /** 2990 * fit_conf_print - prints out the FIT configuration details 2991 * @fit: pointer to the FIT format image header 2992 * @noffset: offset of the configuration node 2993 * @p: pointer to prefix string 2994 * 2995 * fit_conf_print() lists all mandatory properies for the processed 2996 * configuration node. 2997 * 2998 * returns: 2999 * no returned results 3000 */ 3001 void fit_conf_print (const void *fit, int noffset, const char *p) 3002 { 3003 char *desc; 3004 char *uname; 3005 int ret; 3006 3007 /* Mandatory properties */ 3008 ret = fit_get_desc (fit, noffset, &desc); 3009 printf ("%s Description: ", p); 3010 if (ret) 3011 printf ("unavailable\n"); 3012 else 3013 printf ("%s\n", desc); 3014 3015 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); 3016 printf ("%s Kernel: ", p); 3017 if (uname == NULL) 3018 printf ("unavailable\n"); 3019 else 3020 printf ("%s\n", uname); 3021 3022 /* Optional properties */ 3023 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); 3024 if (uname) 3025 printf ("%s Init Ramdisk: %s\n", p, uname); 3026 3027 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); 3028 if (uname) 3029 printf ("%s FDT: %s\n", p, uname); 3030 } 3031 3032 /** 3033 * fit_check_ramdisk - verify FIT format ramdisk subimage 3034 * @fit_hdr: pointer to the FIT ramdisk header 3035 * @rd_noffset: ramdisk subimage node offset within FIT image 3036 * @arch: requested ramdisk image architecture type 3037 * @verify: data CRC verification flag 3038 * 3039 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 3040 * specified FIT image. 3041 * 3042 * returns: 3043 * 1, on success 3044 * 0, on failure 3045 */ 3046 #ifndef USE_HOSTCC 3047 static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) 3048 { 3049 fit_image_print (fit, rd_noffset, " "); 3050 3051 if (verify) { 3052 puts (" Verifying Hash Integrity ... "); 3053 if (!fit_image_check_hashes (fit, rd_noffset)) { 3054 puts ("Bad Data Hash\n"); 3055 show_boot_progress (-125); 3056 return 0; 3057 } 3058 puts ("OK\n"); 3059 } 3060 3061 show_boot_progress (126); 3062 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || 3063 !fit_image_check_arch (fit, rd_noffset, arch) || 3064 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { 3065 printf ("No Linux %s Ramdisk Image\n", 3066 genimg_get_arch_name(arch)); 3067 show_boot_progress (-126); 3068 return 0; 3069 } 3070 3071 show_boot_progress (127); 3072 return 1; 3073 } 3074 #endif /* USE_HOSTCC */ 3075 #endif /* CONFIG_FIT */ 3076