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 { -1, "", "", }, 156 }; 157 158 uint32_t crc32 (uint32_t, const unsigned char *, uint); 159 uint32_t crc32_wd (uint32_t, const unsigned char *, uint, uint); 160 static void genimg_print_size (uint32_t size); 161 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 162 static void genimg_print_time (time_t timestamp); 163 #endif 164 165 /*****************************************************************************/ 166 /* Legacy format routines */ 167 /*****************************************************************************/ 168 int image_check_hcrc (image_header_t *hdr) 169 { 170 ulong hcrc; 171 ulong len = image_get_header_size (); 172 image_header_t header; 173 174 /* Copy header so we can blank CRC field for re-calculation */ 175 memmove (&header, (char *)hdr, image_get_header_size ()); 176 image_set_hcrc (&header, 0); 177 178 hcrc = crc32 (0, (unsigned char *)&header, len); 179 180 return (hcrc == image_get_hcrc (hdr)); 181 } 182 183 int image_check_dcrc (image_header_t *hdr) 184 { 185 ulong data = image_get_data (hdr); 186 ulong len = image_get_data_size (hdr); 187 ulong dcrc = crc32_wd (0, (unsigned char *)data, len, CHUNKSZ_CRC32); 188 189 return (dcrc == image_get_dcrc (hdr)); 190 } 191 192 /** 193 * image_multi_count - get component (sub-image) count 194 * @hdr: pointer to the header of the multi component image 195 * 196 * image_multi_count() returns number of components in a multi 197 * component image. 198 * 199 * Note: no checking of the image type is done, caller must pass 200 * a valid multi component image. 201 * 202 * returns: 203 * number of components 204 */ 205 ulong image_multi_count (image_header_t *hdr) 206 { 207 ulong i, count = 0; 208 uint32_t *size; 209 210 /* get start of the image payload, which in case of multi 211 * component images that points to a table of component sizes */ 212 size = (uint32_t *)image_get_data (hdr); 213 214 /* count non empty slots */ 215 for (i = 0; size[i]; ++i) 216 count++; 217 218 return count; 219 } 220 221 /** 222 * image_multi_getimg - get component data address and size 223 * @hdr: pointer to the header of the multi component image 224 * @idx: index of the requested component 225 * @data: pointer to a ulong variable, will hold component data address 226 * @len: pointer to a ulong variable, will hold component size 227 * 228 * image_multi_getimg() returns size and data address for the requested 229 * component in a multi component image. 230 * 231 * Note: no checking of the image type is done, caller must pass 232 * a valid multi component image. 233 * 234 * returns: 235 * data address and size of the component, if idx is valid 236 * 0 in data and len, if idx is out of range 237 */ 238 void image_multi_getimg (image_header_t *hdr, ulong idx, 239 ulong *data, ulong *len) 240 { 241 int i; 242 uint32_t *size; 243 ulong offset, count, img_data; 244 245 /* get number of component */ 246 count = image_multi_count (hdr); 247 248 /* get start of the image payload, which in case of multi 249 * component images that points to a table of component sizes */ 250 size = (uint32_t *)image_get_data (hdr); 251 252 /* get address of the proper component data start, which means 253 * skipping sizes table (add 1 for last, null entry) */ 254 img_data = image_get_data (hdr) + (count + 1) * sizeof (uint32_t); 255 256 if (idx < count) { 257 *len = uimage_to_cpu (size[idx]); 258 offset = 0; 259 260 /* go over all indices preceding requested component idx */ 261 for (i = 0; i < idx; i++) { 262 /* add up i-th component size, rounding up to 4 bytes */ 263 offset += (uimage_to_cpu (size[i]) + 3) & ~3 ; 264 } 265 266 /* calculate idx-th component data address */ 267 *data = img_data + offset; 268 } else { 269 *len = 0; 270 *data = 0; 271 } 272 } 273 274 static void image_print_type (image_header_t *hdr) 275 { 276 const char *os, *arch, *type, *comp; 277 278 os = genimg_get_os_name (image_get_os (hdr)); 279 arch = genimg_get_arch_name (image_get_arch (hdr)); 280 type = genimg_get_type_name (image_get_type (hdr)); 281 comp = genimg_get_comp_name (image_get_comp (hdr)); 282 283 printf ("%s %s %s (%s)\n", arch, os, type, comp); 284 } 285 286 /** 287 * image_print_contents - prints out the contents of the legacy format image 288 * @hdr: pointer to the legacy format image header 289 * @p: pointer to prefix string 290 * 291 * image_print_contents() formats a multi line legacy image contents description. 292 * The routine prints out all header fields followed by the size/offset data 293 * for MULTI/SCRIPT images. 294 * 295 * returns: 296 * no returned results 297 */ 298 void image_print_contents (image_header_t *hdr) 299 { 300 const char *p; 301 302 #ifdef USE_HOSTCC 303 p = ""; 304 #else 305 p = " "; 306 #endif 307 308 printf ("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name (hdr)); 309 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 310 printf ("%sCreated: ", p); 311 genimg_print_time ((time_t)image_get_time (hdr)); 312 #endif 313 printf ("%sImage Type: ", p); 314 image_print_type (hdr); 315 printf ("%sData Size: ", p); 316 genimg_print_size (image_get_data_size (hdr)); 317 printf ("%sLoad Address: %08x\n", p, image_get_load (hdr)); 318 printf ("%sEntry Point: %08x\n", p, image_get_ep (hdr)); 319 320 if (image_check_type (hdr, IH_TYPE_MULTI) || 321 image_check_type (hdr, IH_TYPE_SCRIPT)) { 322 int i; 323 ulong data, len; 324 ulong count = image_multi_count (hdr); 325 326 printf ("%sContents:\n", p); 327 for (i = 0; i < count; i++) { 328 image_multi_getimg (hdr, i, &data, &len); 329 330 printf ("%s Image %d: ", p, i); 331 genimg_print_size (len); 332 333 if (image_check_type (hdr, IH_TYPE_SCRIPT) && i > 0) { 334 /* 335 * the user may need to know offsets 336 * if planning to do something with 337 * multiple files 338 */ 339 printf ("%s Offset = 0x%08lx\n", p, data); 340 } 341 } 342 } 343 } 344 345 346 #ifndef USE_HOSTCC 347 /** 348 * image_get_ramdisk - get and verify ramdisk image 349 * @rd_addr: ramdisk image start address 350 * @arch: expected ramdisk architecture 351 * @verify: checksum verification flag 352 * 353 * image_get_ramdisk() returns a pointer to the verified ramdisk image 354 * header. Routine receives image start address and expected architecture 355 * flag. Verification done covers data and header integrity and os/type/arch 356 * fields checking. 357 * 358 * If dataflash support is enabled routine checks for dataflash addresses 359 * and handles required dataflash reads. 360 * 361 * returns: 362 * pointer to a ramdisk image header, if image was found and valid 363 * otherwise, return NULL 364 */ 365 static image_header_t* image_get_ramdisk (ulong rd_addr, uint8_t arch, 366 int verify) 367 { 368 image_header_t *rd_hdr = (image_header_t *)rd_addr; 369 370 if (!image_check_magic (rd_hdr)) { 371 puts ("Bad Magic Number\n"); 372 show_boot_progress (-10); 373 return NULL; 374 } 375 376 if (!image_check_hcrc (rd_hdr)) { 377 puts ("Bad Header Checksum\n"); 378 show_boot_progress (-11); 379 return NULL; 380 } 381 382 show_boot_progress (10); 383 image_print_contents (rd_hdr); 384 385 if (verify) { 386 puts(" Verifying Checksum ... "); 387 if (!image_check_dcrc (rd_hdr)) { 388 puts ("Bad Data CRC\n"); 389 show_boot_progress (-12); 390 return NULL; 391 } 392 puts("OK\n"); 393 } 394 395 show_boot_progress (11); 396 397 if (!image_check_os (rd_hdr, IH_OS_LINUX) || 398 !image_check_arch (rd_hdr, arch) || 399 !image_check_type (rd_hdr, IH_TYPE_RAMDISK)) { 400 printf ("No Linux %s Ramdisk Image\n", 401 genimg_get_arch_name(arch)); 402 show_boot_progress (-13); 403 return NULL; 404 } 405 406 return rd_hdr; 407 } 408 #endif /* !USE_HOSTCC */ 409 410 /*****************************************************************************/ 411 /* Shared dual-format routines */ 412 /*****************************************************************************/ 413 #ifndef USE_HOSTCC 414 int getenv_yesno (char *var) 415 { 416 char *s = getenv (var); 417 return (s && (*s == 'n')) ? 0 : 1; 418 } 419 420 ulong getenv_bootm_low(void) 421 { 422 char *s = getenv ("bootm_low"); 423 if (s) { 424 ulong tmp = simple_strtoul (s, NULL, 16); 425 return tmp; 426 } 427 428 #if defined(CFG_SDRAM_BASE) 429 return CFG_SDRAM_BASE; 430 #elif defined(CONFIG_ARM) 431 return gd->bd->bi_dram[0].start; 432 #else 433 return 0; 434 #endif 435 } 436 437 phys_size_t getenv_bootm_size(void) 438 { 439 char *s = getenv ("bootm_size"); 440 if (s) { 441 phys_size_t tmp; 442 #ifdef CFG_64BIT_STRTOUL 443 tmp = (phys_size_t)simple_strtoull (s, NULL, 16); 444 #else 445 tmp = (phys_size_t)simple_strtoul (s, NULL, 16); 446 #endif 447 return tmp; 448 } 449 450 #if defined(CONFIG_ARM) 451 return gd->bd->bi_dram[0].size; 452 #else 453 return gd->bd->bi_memsize; 454 #endif 455 } 456 457 void memmove_wd (void *to, void *from, size_t len, ulong chunksz) 458 { 459 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 460 while (len > 0) { 461 size_t tail = (len > chunksz) ? chunksz : len; 462 WATCHDOG_RESET (); 463 memmove (to, from, tail); 464 to += tail; 465 from += tail; 466 len -= tail; 467 } 468 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 469 memmove (to, from, len); 470 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 471 } 472 #endif /* !USE_HOSTCC */ 473 474 static void genimg_print_size (uint32_t size) 475 { 476 #ifndef USE_HOSTCC 477 printf ("%d Bytes = ", size); 478 print_size (size, "\n"); 479 #else 480 printf ("%d Bytes = %.2f kB = %.2f MB\n", 481 size, (double)size / 1.024e3, 482 (double)size / 1.048576e6); 483 #endif 484 } 485 486 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 487 static void genimg_print_time (time_t timestamp) 488 { 489 #ifndef USE_HOSTCC 490 struct rtc_time tm; 491 492 to_tm (timestamp, &tm); 493 printf ("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 494 tm.tm_year, tm.tm_mon, tm.tm_mday, 495 tm.tm_hour, tm.tm_min, tm.tm_sec); 496 #else 497 printf ("%s", ctime(×tamp)); 498 #endif 499 } 500 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 501 502 /** 503 * get_table_entry_name - translate entry id to long name 504 * @table: pointer to a translation table for entries of a specific type 505 * @msg: message to be returned when translation fails 506 * @id: entry id to be translated 507 * 508 * get_table_entry_name() will go over translation table trying to find 509 * entry that matches given id. If matching entry is found, its long 510 * name is returned to the caller. 511 * 512 * returns: 513 * long entry name if translation succeeds 514 * msg otherwise 515 */ 516 static char *get_table_entry_name (table_entry_t *table, char *msg, int id) 517 { 518 for (; table->id >= 0; ++table) { 519 if (table->id == id) 520 return (table->lname); 521 } 522 return (msg); 523 } 524 525 const char *genimg_get_os_name (uint8_t os) 526 { 527 return (get_table_entry_name (uimage_os, "Unknown OS", os)); 528 } 529 530 const char *genimg_get_arch_name (uint8_t arch) 531 { 532 return (get_table_entry_name (uimage_arch, "Unknown Architecture", arch)); 533 } 534 535 const char *genimg_get_type_name (uint8_t type) 536 { 537 return (get_table_entry_name (uimage_type, "Unknown Image", type)); 538 } 539 540 const char *genimg_get_comp_name (uint8_t comp) 541 { 542 return (get_table_entry_name (uimage_comp, "Unknown Compression", comp)); 543 } 544 545 /** 546 * get_table_entry_id - translate short entry name to id 547 * @table: pointer to a translation table for entries of a specific type 548 * @table_name: to be used in case of error 549 * @name: entry short name to be translated 550 * 551 * get_table_entry_id() will go over translation table trying to find 552 * entry that matches given short name. If matching entry is found, 553 * its id returned to the caller. 554 * 555 * returns: 556 * entry id if translation succeeds 557 * -1 otherwise 558 */ 559 static int get_table_entry_id (table_entry_t *table, 560 const char *table_name, const char *name) 561 { 562 table_entry_t *t; 563 #ifdef USE_HOSTCC 564 int first = 1; 565 566 for (t = table; t->id >= 0; ++t) { 567 if (t->sname && strcasecmp(t->sname, name) == 0) 568 return (t->id); 569 } 570 571 fprintf (stderr, "\nInvalid %s Type - valid names are", table_name); 572 for (t = table; t->id >= 0; ++t) { 573 if (t->sname == NULL) 574 continue; 575 fprintf (stderr, "%c %s", (first) ? ':' : ',', t->sname); 576 first = 0; 577 } 578 fprintf (stderr, "\n"); 579 #else 580 for (t = table; t->id >= 0; ++t) { 581 if (t->sname && strcmp(t->sname, name) == 0) 582 return (t->id); 583 } 584 debug ("Invalid %s Type: %s\n", table_name, name); 585 #endif /* USE_HOSTCC */ 586 return (-1); 587 } 588 589 int genimg_get_os_id (const char *name) 590 { 591 return (get_table_entry_id (uimage_os, "OS", name)); 592 } 593 594 int genimg_get_arch_id (const char *name) 595 { 596 return (get_table_entry_id (uimage_arch, "CPU", name)); 597 } 598 599 int genimg_get_type_id (const char *name) 600 { 601 return (get_table_entry_id (uimage_type, "Image", name)); 602 } 603 604 int genimg_get_comp_id (const char *name) 605 { 606 return (get_table_entry_id (uimage_comp, "Compression", name)); 607 } 608 609 #ifndef USE_HOSTCC 610 /** 611 * genimg_get_format - get image format type 612 * @img_addr: image start address 613 * 614 * genimg_get_format() checks whether provided address points to a valid 615 * legacy or FIT image. 616 * 617 * New uImage format and FDT blob are based on a libfdt. FDT blob 618 * may be passed directly or embedded in a FIT image. In both situations 619 * genimg_get_format() must be able to dectect libfdt header. 620 * 621 * returns: 622 * image format type or IMAGE_FORMAT_INVALID if no image is present 623 */ 624 int genimg_get_format (void *img_addr) 625 { 626 ulong format = IMAGE_FORMAT_INVALID; 627 image_header_t *hdr; 628 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 629 char *fit_hdr; 630 #endif 631 632 hdr = (image_header_t *)img_addr; 633 if (image_check_magic(hdr)) 634 format = IMAGE_FORMAT_LEGACY; 635 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 636 else { 637 fit_hdr = (char *)img_addr; 638 if (fdt_check_header (fit_hdr) == 0) 639 format = IMAGE_FORMAT_FIT; 640 } 641 #endif 642 643 return format; 644 } 645 646 /** 647 * genimg_get_image - get image from special storage (if necessary) 648 * @img_addr: image start address 649 * 650 * genimg_get_image() checks if provided image start adddress is located 651 * in a dataflash storage. If so, image is moved to a system RAM memory. 652 * 653 * returns: 654 * image start address after possible relocation from special storage 655 */ 656 ulong genimg_get_image (ulong img_addr) 657 { 658 ulong ram_addr = img_addr; 659 660 #ifdef CONFIG_HAS_DATAFLASH 661 ulong h_size, d_size; 662 663 if (addr_dataflash (img_addr)){ 664 /* ger RAM address */ 665 ram_addr = CFG_LOAD_ADDR; 666 667 /* get header size */ 668 h_size = image_get_header_size (); 669 #if defined(CONFIG_FIT) 670 if (sizeof(struct fdt_header) > h_size) 671 h_size = sizeof(struct fdt_header); 672 #endif 673 674 /* read in header */ 675 debug (" Reading image header from dataflash address " 676 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 677 678 read_dataflash (img_addr, h_size, (char *)ram_addr); 679 680 /* get data size */ 681 switch (genimg_get_format ((void *)ram_addr)) { 682 case IMAGE_FORMAT_LEGACY: 683 d_size = image_get_data_size ((image_header_t *)ram_addr); 684 debug (" Legacy format image found at 0x%08lx, size 0x%08lx\n", 685 ram_addr, d_size); 686 break; 687 #if defined(CONFIG_FIT) 688 case IMAGE_FORMAT_FIT: 689 d_size = fit_get_size ((const void *)ram_addr) - h_size; 690 debug (" FIT/FDT format image found at 0x%08lx, size 0x%08lx\n", 691 ram_addr, d_size); 692 break; 693 #endif 694 default: 695 printf (" No valid image found at 0x%08lx\n", img_addr); 696 return ram_addr; 697 } 698 699 /* read in image data */ 700 debug (" Reading image remaining data from dataflash address " 701 "%08lx to RAM address %08lx\n", img_addr + h_size, 702 ram_addr + h_size); 703 704 read_dataflash (img_addr + h_size, d_size, 705 (char *)(ram_addr + h_size)); 706 707 } 708 #endif /* CONFIG_HAS_DATAFLASH */ 709 710 return ram_addr; 711 } 712 713 /** 714 * fit_has_config - check if there is a valid FIT configuration 715 * @images: pointer to the bootm command headers structure 716 * 717 * fit_has_config() checks if there is a FIT configuration in use 718 * (if FTI support is present). 719 * 720 * returns: 721 * 0, no FIT support or no configuration found 722 * 1, configuration found 723 */ 724 int genimg_has_config (bootm_headers_t *images) 725 { 726 #if defined(CONFIG_FIT) 727 if (images->fit_uname_cfg) 728 return 1; 729 #endif 730 return 0; 731 } 732 733 /** 734 * boot_get_ramdisk - main ramdisk handling routine 735 * @argc: command argument count 736 * @argv: command argument list 737 * @images: pointer to the bootm images structure 738 * @arch: expected ramdisk architecture 739 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 740 * @rd_end: pointer to a ulong variable, will hold ramdisk end 741 * 742 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 743 * Curently supported are the following ramdisk sources: 744 * - multicomponent kernel/ramdisk image, 745 * - commandline provided address of decicated ramdisk image. 746 * 747 * returns: 748 * 0, if ramdisk image was found and valid, or skiped 749 * rd_start and rd_end are set to ramdisk start/end addresses if 750 * ramdisk image is found and valid 751 * 752 * 1, if ramdisk image is found but corrupted, or invalid 753 * rd_start and rd_end are set to 0 if no ramdisk exists 754 */ 755 int boot_get_ramdisk (int argc, char *argv[], bootm_headers_t *images, 756 uint8_t arch, ulong *rd_start, ulong *rd_end) 757 { 758 ulong rd_addr, rd_load; 759 ulong rd_data, rd_len; 760 image_header_t *rd_hdr; 761 #if defined(CONFIG_FIT) 762 void *fit_hdr; 763 const char *fit_uname_config = NULL; 764 const char *fit_uname_ramdisk = NULL; 765 ulong default_addr; 766 int rd_noffset; 767 int cfg_noffset; 768 const void *data; 769 size_t size; 770 #endif 771 772 *rd_start = 0; 773 *rd_end = 0; 774 775 /* 776 * Look for a '-' which indicates to ignore the 777 * ramdisk argument 778 */ 779 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 780 debug ("## Skipping init Ramdisk\n"); 781 rd_len = rd_data = 0; 782 } else if (argc >= 3 || genimg_has_config (images)) { 783 #if defined(CONFIG_FIT) 784 if (argc >= 3) { 785 /* 786 * If the init ramdisk comes from the FIT image and 787 * the FIT image address is omitted in the command 788 * line argument, try to use os FIT image address or 789 * default load address. 790 */ 791 if (images->fit_uname_os) 792 default_addr = (ulong)images->fit_hdr_os; 793 else 794 default_addr = load_addr; 795 796 if (fit_parse_conf (argv[2], default_addr, 797 &rd_addr, &fit_uname_config)) { 798 debug ("* ramdisk: config '%s' from image at 0x%08lx\n", 799 fit_uname_config, rd_addr); 800 } else if (fit_parse_subimage (argv[2], default_addr, 801 &rd_addr, &fit_uname_ramdisk)) { 802 debug ("* ramdisk: subimage '%s' from image at 0x%08lx\n", 803 fit_uname_ramdisk, rd_addr); 804 } else 805 #endif 806 { 807 rd_addr = simple_strtoul(argv[2], NULL, 16); 808 debug ("* ramdisk: cmdline image address = 0x%08lx\n", 809 rd_addr); 810 } 811 #if defined(CONFIG_FIT) 812 } else { 813 /* use FIT configuration provided in first bootm 814 * command argument 815 */ 816 rd_addr = (ulong)images->fit_hdr_os; 817 fit_uname_config = images->fit_uname_cfg; 818 debug ("* ramdisk: using config '%s' from image at 0x%08lx\n", 819 fit_uname_config, rd_addr); 820 821 /* 822 * Check whether configuration has ramdisk defined, 823 * if not, don't try to use it, quit silently. 824 */ 825 fit_hdr = (void *)rd_addr; 826 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 827 if (cfg_noffset < 0) { 828 debug ("* ramdisk: no such config\n"); 829 return 1; 830 } 831 832 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 833 if (rd_noffset < 0) { 834 debug ("* ramdisk: no ramdisk in config\n"); 835 return 0; 836 } 837 } 838 #endif 839 840 /* copy from dataflash if needed */ 841 rd_addr = genimg_get_image (rd_addr); 842 843 /* 844 * Check if there is an initrd image at the 845 * address provided in the second bootm argument 846 * check image type, for FIT images get FIT node. 847 */ 848 switch (genimg_get_format ((void *)rd_addr)) { 849 case IMAGE_FORMAT_LEGACY: 850 printf ("## Loading init Ramdisk from Legacy " 851 "Image at %08lx ...\n", rd_addr); 852 853 show_boot_progress (9); 854 rd_hdr = image_get_ramdisk (rd_addr, arch, 855 images->verify); 856 857 if (rd_hdr == NULL) 858 return 1; 859 860 rd_data = image_get_data (rd_hdr); 861 rd_len = image_get_data_size (rd_hdr); 862 rd_load = image_get_load (rd_hdr); 863 break; 864 #if defined(CONFIG_FIT) 865 case IMAGE_FORMAT_FIT: 866 fit_hdr = (void *)rd_addr; 867 printf ("## Loading init Ramdisk from FIT " 868 "Image at %08lx ...\n", rd_addr); 869 870 show_boot_progress (120); 871 if (!fit_check_format (fit_hdr)) { 872 puts ("Bad FIT ramdisk image format!\n"); 873 show_boot_progress (-120); 874 return 1; 875 } 876 show_boot_progress (121); 877 878 if (!fit_uname_ramdisk) { 879 /* 880 * no ramdisk image node unit name, try to get config 881 * node first. If config unit node name is NULL 882 * fit_conf_get_node() will try to find default config node 883 */ 884 show_boot_progress (122); 885 cfg_noffset = fit_conf_get_node (fit_hdr, fit_uname_config); 886 if (cfg_noffset < 0) { 887 puts ("Could not find configuration node\n"); 888 show_boot_progress (-122); 889 return 1; 890 } 891 fit_uname_config = fdt_get_name (fit_hdr, cfg_noffset, NULL); 892 printf (" Using '%s' configuration\n", fit_uname_config); 893 894 rd_noffset = fit_conf_get_ramdisk_node (fit_hdr, cfg_noffset); 895 fit_uname_ramdisk = fit_get_name (fit_hdr, rd_noffset, NULL); 896 } else { 897 /* get ramdisk component image node offset */ 898 show_boot_progress (123); 899 rd_noffset = fit_image_get_node (fit_hdr, fit_uname_ramdisk); 900 } 901 if (rd_noffset < 0) { 902 puts ("Could not find subimage node\n"); 903 show_boot_progress (-124); 904 return 1; 905 } 906 907 printf (" Trying '%s' ramdisk subimage\n", fit_uname_ramdisk); 908 909 show_boot_progress (125); 910 if (!fit_check_ramdisk (fit_hdr, rd_noffset, arch, images->verify)) 911 return 1; 912 913 /* get ramdisk image data address and length */ 914 if (fit_image_get_data (fit_hdr, rd_noffset, &data, &size)) { 915 puts ("Could not find ramdisk subimage data!\n"); 916 show_boot_progress (-127); 917 return 1; 918 } 919 show_boot_progress (128); 920 921 rd_data = (ulong)data; 922 rd_len = size; 923 924 if (fit_image_get_load (fit_hdr, rd_noffset, &rd_load)) { 925 puts ("Can't get ramdisk subimage load address!\n"); 926 show_boot_progress (-129); 927 return 1; 928 } 929 show_boot_progress (129); 930 931 images->fit_hdr_rd = fit_hdr; 932 images->fit_uname_rd = fit_uname_ramdisk; 933 images->fit_noffset_rd = rd_noffset; 934 break; 935 #endif 936 default: 937 puts ("Wrong Ramdisk Image Format\n"); 938 rd_data = rd_len = rd_load = 0; 939 return 1; 940 } 941 942 #if defined(CONFIG_B2) || defined(CONFIG_EVB4510) || defined(CONFIG_ARMADILLO) 943 /* 944 * We need to copy the ramdisk to SRAM to let Linux boot 945 */ 946 if (rd_data) { 947 memmove ((void *)rd_load, (uchar *)rd_data, rd_len); 948 rd_data = rd_load; 949 } 950 #endif /* CONFIG_B2 || CONFIG_EVB4510 || CONFIG_ARMADILLO */ 951 952 } else if (images->legacy_hdr_valid && 953 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 954 /* 955 * Now check if we have a legacy mult-component image, 956 * get second entry data start address and len. 957 */ 958 show_boot_progress (13); 959 printf ("## Loading init Ramdisk from multi component " 960 "Legacy Image at %08lx ...\n", 961 (ulong)images->legacy_hdr_os); 962 963 image_multi_getimg (images->legacy_hdr_os, 1, &rd_data, &rd_len); 964 } else { 965 /* 966 * no initrd image 967 */ 968 show_boot_progress (14); 969 rd_len = rd_data = 0; 970 } 971 972 if (!rd_data) { 973 debug ("## No init Ramdisk\n"); 974 } else { 975 *rd_start = rd_data; 976 *rd_end = rd_data + rd_len; 977 } 978 debug (" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 979 *rd_start, *rd_end); 980 981 return 0; 982 } 983 984 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC) 985 /** 986 * boot_ramdisk_high - relocate init ramdisk 987 * @lmb: pointer to lmb handle, will be used for memory mgmt 988 * @rd_data: ramdisk data start address 989 * @rd_len: ramdisk data length 990 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 991 * start address (after possible relocation) 992 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 993 * end address (after possible relocation) 994 * 995 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 996 * variable and if requested ramdisk data is moved to a specified location. 997 * 998 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 999 * start/end addresses if ramdisk image start and len were provided, 1000 * otherwise set initrd_start and initrd_end set to zeros. 1001 * 1002 * returns: 1003 * 0 - success 1004 * -1 - failure 1005 */ 1006 int boot_ramdisk_high (struct lmb *lmb, ulong rd_data, ulong rd_len, 1007 ulong *initrd_start, ulong *initrd_end) 1008 { 1009 char *s; 1010 ulong initrd_high; 1011 int initrd_copy_to_ram = 1; 1012 1013 if ((s = getenv ("initrd_high")) != NULL) { 1014 /* a value of "no" or a similar string will act like 0, 1015 * turning the "load high" feature off. This is intentional. 1016 */ 1017 initrd_high = simple_strtoul (s, NULL, 16); 1018 if (initrd_high == ~0) 1019 initrd_copy_to_ram = 0; 1020 } else { 1021 /* not set, no restrictions to load high */ 1022 initrd_high = ~0; 1023 } 1024 1025 1026 #ifdef CONFIG_LOGBUFFER 1027 /* Prevent initrd from overwriting logbuffer */ 1028 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1029 #endif 1030 1031 debug ("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1032 initrd_high, initrd_copy_to_ram); 1033 1034 if (rd_data) { 1035 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1036 debug (" in-place initrd\n"); 1037 *initrd_start = rd_data; 1038 *initrd_end = rd_data + rd_len; 1039 lmb_reserve(lmb, rd_data, rd_len); 1040 } else { 1041 if (initrd_high) 1042 *initrd_start = (ulong)lmb_alloc_base (lmb, rd_len, 0x1000, initrd_high); 1043 else 1044 *initrd_start = (ulong)lmb_alloc (lmb, rd_len, 0x1000); 1045 1046 if (*initrd_start == 0) { 1047 puts ("ramdisk - allocation error\n"); 1048 goto error; 1049 } 1050 show_boot_progress (12); 1051 1052 *initrd_end = *initrd_start + rd_len; 1053 printf (" Loading Ramdisk to %08lx, end %08lx ... ", 1054 *initrd_start, *initrd_end); 1055 1056 memmove_wd ((void *)*initrd_start, 1057 (void *)rd_data, rd_len, CHUNKSZ); 1058 1059 puts ("OK\n"); 1060 } 1061 } else { 1062 *initrd_start = 0; 1063 *initrd_end = 0; 1064 } 1065 debug (" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1066 *initrd_start, *initrd_end); 1067 1068 return 0; 1069 1070 error: 1071 return -1; 1072 } 1073 1074 #ifdef CONFIG_OF_LIBFDT 1075 static void fdt_error (const char *msg) 1076 { 1077 puts ("ERROR: "); 1078 puts (msg); 1079 puts (" - must RESET the board to recover.\n"); 1080 } 1081 1082 static image_header_t *image_get_fdt (ulong fdt_addr) 1083 { 1084 image_header_t *fdt_hdr = (image_header_t *)fdt_addr; 1085 1086 image_print_contents (fdt_hdr); 1087 1088 puts (" Verifying Checksum ... "); 1089 if (!image_check_hcrc (fdt_hdr)) { 1090 fdt_error ("fdt header checksum invalid"); 1091 return NULL; 1092 } 1093 1094 if (!image_check_dcrc (fdt_hdr)) { 1095 fdt_error ("fdt checksum invalid"); 1096 return NULL; 1097 } 1098 puts ("OK\n"); 1099 1100 if (!image_check_type (fdt_hdr, IH_TYPE_FLATDT)) { 1101 fdt_error ("uImage is not a fdt"); 1102 return NULL; 1103 } 1104 if (image_get_comp (fdt_hdr) != IH_COMP_NONE) { 1105 fdt_error ("uImage is compressed"); 1106 return NULL; 1107 } 1108 if (fdt_check_header ((char *)image_get_data (fdt_hdr)) != 0) { 1109 fdt_error ("uImage data is not a fdt"); 1110 return NULL; 1111 } 1112 return fdt_hdr; 1113 } 1114 1115 /** 1116 * fit_check_fdt - verify FIT format FDT subimage 1117 * @fit_hdr: pointer to the FIT header 1118 * fdt_noffset: FDT subimage node offset within FIT image 1119 * @verify: data CRC verification flag 1120 * 1121 * fit_check_fdt() verifies integrity of the FDT subimage and from 1122 * specified FIT image. 1123 * 1124 * returns: 1125 * 1, on success 1126 * 0, on failure 1127 */ 1128 #if defined(CONFIG_FIT) 1129 static int fit_check_fdt (const void *fit, int fdt_noffset, int verify) 1130 { 1131 fit_image_print (fit, fdt_noffset, " "); 1132 1133 if (verify) { 1134 puts (" Verifying Hash Integrity ... "); 1135 if (!fit_image_check_hashes (fit, fdt_noffset)) { 1136 fdt_error ("Bad Data Hash"); 1137 return 0; 1138 } 1139 puts ("OK\n"); 1140 } 1141 1142 if (!fit_image_check_type (fit, fdt_noffset, IH_TYPE_FLATDT)) { 1143 fdt_error ("Not a FDT image"); 1144 return 0; 1145 } 1146 1147 if (!fit_image_check_comp (fit, fdt_noffset, IH_COMP_NONE)) { 1148 fdt_error ("FDT image is compressed"); 1149 return 0; 1150 } 1151 1152 return 1; 1153 } 1154 #endif /* CONFIG_FIT */ 1155 1156 #ifndef CFG_FDT_PAD 1157 #define CFG_FDT_PAD 0x3000 1158 #endif 1159 1160 /** 1161 * boot_relocate_fdt - relocate flat device tree 1162 * @lmb: pointer to lmb handle, will be used for memory mgmt 1163 * @bootmap_base: base address of the bootmap region 1164 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1165 * @of_size: pointer to a ulong variable, will hold fdt length 1166 * 1167 * boot_relocate_fdt() determines if the of_flat_tree address is within 1168 * the bootmap and if not relocates it into that region 1169 * 1170 * of_flat_tree and of_size are set to final (after relocation) values 1171 * 1172 * returns: 1173 * 0 - success 1174 * 1 - failure 1175 */ 1176 int boot_relocate_fdt (struct lmb *lmb, ulong bootmap_base, 1177 char **of_flat_tree, ulong *of_size) 1178 { 1179 char *fdt_blob = *of_flat_tree; 1180 ulong relocate = 0; 1181 ulong of_len = 0; 1182 1183 /* nothing to do */ 1184 if (*of_size == 0) 1185 return 0; 1186 1187 if (fdt_check_header (fdt_blob) != 0) { 1188 fdt_error ("image is not a fdt"); 1189 goto error; 1190 } 1191 1192 #ifndef CFG_NO_FLASH 1193 /* move the blob if it is in flash (set relocate) */ 1194 if (addr2info ((ulong)fdt_blob) != NULL) 1195 relocate = 1; 1196 #endif 1197 1198 /* 1199 * The blob needs to be inside the boot mapping. 1200 */ 1201 if (fdt_blob < (char *)bootmap_base) 1202 relocate = 1; 1203 1204 if ((fdt_blob + *of_size + CFG_FDT_PAD) >= 1205 ((char *)CFG_BOOTMAPSZ + bootmap_base)) 1206 relocate = 1; 1207 1208 /* move flattend device tree if needed */ 1209 if (relocate) { 1210 int err; 1211 ulong of_start = 0; 1212 1213 /* position on a 4K boundary before the alloc_current */ 1214 /* Pad the FDT by a specified amount */ 1215 of_len = *of_size + CFG_FDT_PAD; 1216 of_start = (unsigned long)lmb_alloc_base(lmb, of_len, 0x1000, 1217 (CFG_BOOTMAPSZ + bootmap_base)); 1218 1219 if (of_start == 0) { 1220 puts("device tree - allocation error\n"); 1221 goto error; 1222 } 1223 1224 debug ("## device tree at 0x%08lX ... 0x%08lX (len=%ld=0x%lX)\n", 1225 (ulong)fdt_blob, (ulong)fdt_blob + *of_size - 1, 1226 of_len, of_len); 1227 1228 printf (" Loading Device Tree to %08lx, end %08lx ... ", 1229 of_start, of_start + of_len - 1); 1230 1231 err = fdt_open_into (fdt_blob, (void *)of_start, of_len); 1232 if (err != 0) { 1233 fdt_error ("fdt move failed"); 1234 goto error; 1235 } 1236 puts ("OK\n"); 1237 1238 *of_flat_tree = (char *)of_start; 1239 *of_size = of_len; 1240 } else { 1241 *of_flat_tree = fdt_blob; 1242 of_len = (CFG_BOOTMAPSZ + bootmap_base) - (ulong)fdt_blob; 1243 lmb_reserve(lmb, (ulong)fdt_blob, of_len); 1244 fdt_set_totalsize(*of_flat_tree, of_len); 1245 1246 *of_size = of_len; 1247 } 1248 1249 set_working_fdt_addr(*of_flat_tree); 1250 return 0; 1251 1252 error: 1253 return 1; 1254 } 1255 1256 /** 1257 * boot_get_fdt - main fdt handling routine 1258 * @argc: command argument count 1259 * @argv: command argument list 1260 * @images: pointer to the bootm images structure 1261 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1262 * @of_size: pointer to a ulong variable, will hold fdt length 1263 * 1264 * boot_get_fdt() is responsible for finding a valid flat device tree image. 1265 * Curently supported are the following ramdisk sources: 1266 * - multicomponent kernel/ramdisk image, 1267 * - commandline provided address of decicated ramdisk image. 1268 * 1269 * returns: 1270 * 0, if fdt image was found and valid, or skipped 1271 * of_flat_tree and of_size are set to fdt start address and length if 1272 * fdt image is found and valid 1273 * 1274 * 1, if fdt image is found but corrupted 1275 * of_flat_tree and of_size are set to 0 if no fdt exists 1276 */ 1277 int boot_get_fdt (int flag, int argc, char *argv[], bootm_headers_t *images, 1278 char **of_flat_tree, ulong *of_size) 1279 { 1280 ulong fdt_addr; 1281 image_header_t *fdt_hdr; 1282 char *fdt_blob = NULL; 1283 ulong image_start, image_end; 1284 ulong load_start, load_end; 1285 #if defined(CONFIG_FIT) 1286 void *fit_hdr; 1287 const char *fit_uname_config = NULL; 1288 const char *fit_uname_fdt = NULL; 1289 ulong default_addr; 1290 int cfg_noffset; 1291 int fdt_noffset; 1292 const void *data; 1293 size_t size; 1294 #endif 1295 1296 *of_flat_tree = NULL; 1297 *of_size = 0; 1298 1299 if (argc > 3 || genimg_has_config (images)) { 1300 #if defined(CONFIG_FIT) 1301 if (argc > 3) { 1302 /* 1303 * If the FDT blob comes from the FIT image and the 1304 * FIT image address is omitted in the command line 1305 * argument, try to use ramdisk or os FIT image 1306 * address or default load address. 1307 */ 1308 if (images->fit_uname_rd) 1309 default_addr = (ulong)images->fit_hdr_rd; 1310 else if (images->fit_uname_os) 1311 default_addr = (ulong)images->fit_hdr_os; 1312 else 1313 default_addr = load_addr; 1314 1315 if (fit_parse_conf (argv[3], default_addr, 1316 &fdt_addr, &fit_uname_config)) { 1317 debug ("* fdt: config '%s' from image at 0x%08lx\n", 1318 fit_uname_config, fdt_addr); 1319 } else if (fit_parse_subimage (argv[3], default_addr, 1320 &fdt_addr, &fit_uname_fdt)) { 1321 debug ("* fdt: subimage '%s' from image at 0x%08lx\n", 1322 fit_uname_fdt, fdt_addr); 1323 } else 1324 #endif 1325 { 1326 fdt_addr = simple_strtoul(argv[3], NULL, 16); 1327 debug ("* fdt: cmdline image address = 0x%08lx\n", 1328 fdt_addr); 1329 } 1330 #if defined(CONFIG_FIT) 1331 } else { 1332 /* use FIT configuration provided in first bootm 1333 * command argument 1334 */ 1335 fdt_addr = (ulong)images->fit_hdr_os; 1336 fit_uname_config = images->fit_uname_cfg; 1337 debug ("* fdt: using config '%s' from image at 0x%08lx\n", 1338 fit_uname_config, fdt_addr); 1339 1340 /* 1341 * Check whether configuration has FDT blob defined, 1342 * if not quit silently. 1343 */ 1344 fit_hdr = (void *)fdt_addr; 1345 cfg_noffset = fit_conf_get_node (fit_hdr, 1346 fit_uname_config); 1347 if (cfg_noffset < 0) { 1348 debug ("* fdt: no such config\n"); 1349 return 0; 1350 } 1351 1352 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1353 cfg_noffset); 1354 if (fdt_noffset < 0) { 1355 debug ("* fdt: no fdt in config\n"); 1356 return 0; 1357 } 1358 } 1359 #endif 1360 1361 debug ("## Checking for 'FDT'/'FDT Image' at %08lx\n", 1362 fdt_addr); 1363 1364 /* copy from dataflash if needed */ 1365 fdt_addr = genimg_get_image (fdt_addr); 1366 1367 /* 1368 * Check if there is an FDT image at the 1369 * address provided in the second bootm argument 1370 * check image type, for FIT images get a FIT node. 1371 */ 1372 switch (genimg_get_format ((void *)fdt_addr)) { 1373 case IMAGE_FORMAT_LEGACY: 1374 /* verify fdt_addr points to a valid image header */ 1375 printf ("## Flattened Device Tree from Legacy Image at %08lx\n", 1376 fdt_addr); 1377 fdt_hdr = image_get_fdt (fdt_addr); 1378 if (!fdt_hdr) 1379 goto error; 1380 1381 /* 1382 * move image data to the load address, 1383 * make sure we don't overwrite initial image 1384 */ 1385 image_start = (ulong)fdt_hdr; 1386 image_end = image_get_image_end (fdt_hdr); 1387 1388 load_start = image_get_load (fdt_hdr); 1389 load_end = load_start + image_get_data_size (fdt_hdr); 1390 1391 if ((load_start < image_end) && (load_end > image_start)) { 1392 fdt_error ("fdt overwritten"); 1393 goto error; 1394 } 1395 1396 debug (" Loading FDT from 0x%08lx to 0x%08lx\n", 1397 image_get_data (fdt_hdr), load_start); 1398 1399 memmove ((void *)load_start, 1400 (void *)image_get_data (fdt_hdr), 1401 image_get_data_size (fdt_hdr)); 1402 1403 fdt_blob = (char *)load_start; 1404 break; 1405 case IMAGE_FORMAT_FIT: 1406 /* 1407 * This case will catch both: new uImage format 1408 * (libfdt based) and raw FDT blob (also libfdt 1409 * based). 1410 */ 1411 #if defined(CONFIG_FIT) 1412 /* check FDT blob vs FIT blob */ 1413 if (fit_check_format ((const void *)fdt_addr)) { 1414 /* 1415 * FIT image 1416 */ 1417 fit_hdr = (void *)fdt_addr; 1418 printf ("## Flattened Device Tree from FIT Image at %08lx\n", 1419 fdt_addr); 1420 1421 if (!fit_uname_fdt) { 1422 /* 1423 * no FDT blob image node unit name, 1424 * try to get config node first. If 1425 * config unit node name is NULL 1426 * fit_conf_get_node() will try to 1427 * find default config node 1428 */ 1429 cfg_noffset = fit_conf_get_node (fit_hdr, 1430 fit_uname_config); 1431 1432 if (cfg_noffset < 0) { 1433 fdt_error ("Could not find configuration node\n"); 1434 goto error; 1435 } 1436 1437 fit_uname_config = fdt_get_name (fit_hdr, 1438 cfg_noffset, NULL); 1439 printf (" Using '%s' configuration\n", 1440 fit_uname_config); 1441 1442 fdt_noffset = fit_conf_get_fdt_node (fit_hdr, 1443 cfg_noffset); 1444 fit_uname_fdt = fit_get_name (fit_hdr, 1445 fdt_noffset, NULL); 1446 } else { 1447 /* get FDT component image node offset */ 1448 fdt_noffset = fit_image_get_node (fit_hdr, 1449 fit_uname_fdt); 1450 } 1451 if (fdt_noffset < 0) { 1452 fdt_error ("Could not find subimage node\n"); 1453 goto error; 1454 } 1455 1456 printf (" Trying '%s' FDT blob subimage\n", 1457 fit_uname_fdt); 1458 1459 if (!fit_check_fdt (fit_hdr, fdt_noffset, 1460 images->verify)) 1461 goto error; 1462 1463 /* get ramdisk image data address and length */ 1464 if (fit_image_get_data (fit_hdr, fdt_noffset, 1465 &data, &size)) { 1466 fdt_error ("Could not find FDT subimage data"); 1467 goto error; 1468 } 1469 1470 /* verift that image data is a proper FDT blob */ 1471 if (fdt_check_header ((char *)data) != 0) { 1472 fdt_error ("Subimage data is not a FTD"); 1473 goto error; 1474 } 1475 1476 /* 1477 * move image data to the load address, 1478 * make sure we don't overwrite initial image 1479 */ 1480 image_start = (ulong)fit_hdr; 1481 image_end = fit_get_end (fit_hdr); 1482 1483 if (fit_image_get_load (fit_hdr, fdt_noffset, 1484 &load_start) == 0) { 1485 load_end = load_start + size; 1486 1487 if ((load_start < image_end) && 1488 (load_end > image_start)) { 1489 fdt_error ("FDT overwritten"); 1490 goto error; 1491 } 1492 1493 printf (" Loading FDT from 0x%08lx to 0x%08lx\n", 1494 (ulong)data, load_start); 1495 1496 memmove ((void *)load_start, 1497 (void *)data, size); 1498 1499 fdt_blob = (char *)load_start; 1500 } else { 1501 fdt_blob = (char *)data; 1502 } 1503 1504 images->fit_hdr_fdt = fit_hdr; 1505 images->fit_uname_fdt = fit_uname_fdt; 1506 images->fit_noffset_fdt = fdt_noffset; 1507 break; 1508 } else 1509 #endif 1510 { 1511 /* 1512 * FDT blob 1513 */ 1514 fdt_blob = (char *)fdt_addr; 1515 debug ("* fdt: raw FDT blob\n"); 1516 printf ("## Flattened Device Tree blob at %08lx\n", (long)fdt_blob); 1517 } 1518 break; 1519 default: 1520 puts ("ERROR: Did not find a cmdline Flattened Device Tree\n"); 1521 goto error; 1522 } 1523 1524 printf (" Booting using the fdt blob at 0x%x\n", (int)fdt_blob); 1525 1526 } else if (images->legacy_hdr_valid && 1527 image_check_type (&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) { 1528 1529 ulong fdt_data, fdt_len; 1530 1531 /* 1532 * Now check if we have a legacy multi-component image, 1533 * get second entry data start address and len. 1534 */ 1535 printf ("## Flattened Device Tree from multi " 1536 "component Image at %08lX\n", 1537 (ulong)images->legacy_hdr_os); 1538 1539 image_multi_getimg (images->legacy_hdr_os, 2, &fdt_data, &fdt_len); 1540 if (fdt_len) { 1541 1542 fdt_blob = (char *)fdt_data; 1543 printf (" Booting using the fdt at 0x%x\n", (int)fdt_blob); 1544 1545 if (fdt_check_header (fdt_blob) != 0) { 1546 fdt_error ("image is not a fdt"); 1547 goto error; 1548 } 1549 1550 if (be32_to_cpu (fdt_totalsize (fdt_blob)) != fdt_len) { 1551 fdt_error ("fdt size != image size"); 1552 goto error; 1553 } 1554 } else { 1555 debug ("## No Flattened Device Tree\n"); 1556 return 0; 1557 } 1558 } else { 1559 debug ("## No Flattened Device Tree\n"); 1560 return 0; 1561 } 1562 1563 *of_flat_tree = fdt_blob; 1564 *of_size = be32_to_cpu (fdt_totalsize (fdt_blob)); 1565 debug (" of_flat_tree at 0x%08lx size 0x%08lx\n", 1566 (ulong)*of_flat_tree, *of_size); 1567 1568 return 0; 1569 1570 error: 1571 *of_flat_tree = 0; 1572 *of_size = 0; 1573 return 1; 1574 } 1575 #endif /* CONFIG_OF_LIBFDT */ 1576 1577 /** 1578 * boot_get_cmdline - allocate and initialize kernel cmdline 1579 * @lmb: pointer to lmb handle, will be used for memory mgmt 1580 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1581 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1582 * @bootmap_base: ulong variable, holds offset in physical memory to 1583 * base of bootmap 1584 * 1585 * boot_get_cmdline() allocates space for kernel command line below 1586 * BOOTMAPSZ + bootmap_base address. If "bootargs" U-boot environemnt 1587 * variable is present its contents is copied to allocated kernel 1588 * command line. 1589 * 1590 * returns: 1591 * 0 - success 1592 * -1 - failure 1593 */ 1594 int boot_get_cmdline (struct lmb *lmb, ulong *cmd_start, ulong *cmd_end, 1595 ulong bootmap_base) 1596 { 1597 char *cmdline; 1598 char *s; 1599 1600 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CFG_BARGSIZE, 0xf, 1601 CFG_BOOTMAPSZ + bootmap_base); 1602 1603 if (cmdline == NULL) 1604 return -1; 1605 1606 if ((s = getenv("bootargs")) == NULL) 1607 s = ""; 1608 1609 strcpy(cmdline, s); 1610 1611 *cmd_start = (ulong) & cmdline[0]; 1612 *cmd_end = *cmd_start + strlen(cmdline); 1613 1614 debug ("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1615 1616 return 0; 1617 } 1618 1619 /** 1620 * boot_get_kbd - allocate and initialize kernel copy of board info 1621 * @lmb: pointer to lmb handle, will be used for memory mgmt 1622 * @kbd: double pointer to board info data 1623 * @bootmap_base: ulong variable, holds offset in physical memory to 1624 * base of bootmap 1625 * 1626 * boot_get_kbd() allocates space for kernel copy of board info data below 1627 * BOOTMAPSZ + bootmap_base address and kernel board info is initialized with 1628 * the current u-boot board info data. 1629 * 1630 * returns: 1631 * 0 - success 1632 * -1 - failure 1633 */ 1634 int boot_get_kbd (struct lmb *lmb, bd_t **kbd, ulong bootmap_base) 1635 { 1636 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1637 CFG_BOOTMAPSZ + bootmap_base); 1638 if (*kbd == NULL) 1639 return -1; 1640 1641 **kbd = *(gd->bd); 1642 1643 debug ("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1644 1645 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1646 do_bdinfo(NULL, 0, 0, NULL); 1647 #endif 1648 1649 return 0; 1650 } 1651 #endif /* CONFIG_PPC || CONFIG_M68K */ 1652 #endif /* !USE_HOSTCC */ 1653 1654 #if defined(CONFIG_FIT) 1655 /*****************************************************************************/ 1656 /* New uImage format routines */ 1657 /*****************************************************************************/ 1658 #ifndef USE_HOSTCC 1659 static int fit_parse_spec (const char *spec, char sepc, ulong addr_curr, 1660 ulong *addr, const char **name) 1661 { 1662 const char *sep; 1663 1664 *addr = addr_curr; 1665 *name = NULL; 1666 1667 sep = strchr (spec, sepc); 1668 if (sep) { 1669 if (sep - spec > 0) 1670 *addr = simple_strtoul (spec, NULL, 16); 1671 1672 *name = sep + 1; 1673 return 1; 1674 } 1675 1676 return 0; 1677 } 1678 1679 /** 1680 * fit_parse_conf - parse FIT configuration spec 1681 * @spec: input string, containing configuration spec 1682 * @add_curr: current image address (to be used as a possible default) 1683 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1684 * configuration 1685 * @conf_name double pointer to a char, will hold pointer to a configuration 1686 * unit name 1687 * 1688 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1689 * where <addr> is a FIT image address that contains configuration 1690 * with a <conf> unit name. 1691 * 1692 * Address part is optional, and if omitted default add_curr will 1693 * be used instead. 1694 * 1695 * returns: 1696 * 1 if spec is a valid configuration string, 1697 * addr and conf_name are set accordingly 1698 * 0 otherwise 1699 */ 1700 inline int fit_parse_conf (const char *spec, ulong addr_curr, 1701 ulong *addr, const char **conf_name) 1702 { 1703 return fit_parse_spec (spec, '#', addr_curr, addr, conf_name); 1704 } 1705 1706 /** 1707 * fit_parse_subimage - parse FIT subimage spec 1708 * @spec: input string, containing subimage spec 1709 * @add_curr: current image address (to be used as a possible default) 1710 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1711 * subimage 1712 * @image_name: double pointer to a char, will hold pointer to a subimage name 1713 * 1714 * fit_parse_subimage() expects subimage spec in the for of 1715 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1716 * subimage with a <subimg> unit name. 1717 * 1718 * Address part is optional, and if omitted default add_curr will 1719 * be used instead. 1720 * 1721 * returns: 1722 * 1 if spec is a valid subimage string, 1723 * addr and image_name are set accordingly 1724 * 0 otherwise 1725 */ 1726 inline int fit_parse_subimage (const char *spec, ulong addr_curr, 1727 ulong *addr, const char **image_name) 1728 { 1729 return fit_parse_spec (spec, ':', addr_curr, addr, image_name); 1730 } 1731 #endif /* !USE_HOSTCC */ 1732 1733 static void fit_get_debug (const void *fit, int noffset, 1734 char *prop_name, int err) 1735 { 1736 debug ("Can't get '%s' property from FIT 0x%08lx, " 1737 "node: offset %d, name %s (%s)\n", 1738 prop_name, (ulong)fit, noffset, 1739 fit_get_name (fit, noffset, NULL), 1740 fdt_strerror (err)); 1741 } 1742 1743 /** 1744 * fit_print_contents - prints out the contents of the FIT format image 1745 * @fit: pointer to the FIT format image header 1746 * @p: pointer to prefix string 1747 * 1748 * fit_print_contents() formats a multi line FIT image contents description. 1749 * The routine prints out FIT image properties (root node level) follwed by 1750 * the details of each component image. 1751 * 1752 * returns: 1753 * no returned results 1754 */ 1755 void fit_print_contents (const void *fit) 1756 { 1757 char *desc; 1758 char *uname; 1759 int images_noffset; 1760 int confs_noffset; 1761 int noffset; 1762 int ndepth; 1763 int count = 0; 1764 int ret; 1765 const char *p; 1766 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1767 time_t timestamp; 1768 #endif 1769 1770 #ifdef USE_HOSTCC 1771 p = ""; 1772 #else 1773 p = " "; 1774 #endif 1775 1776 /* Root node properties */ 1777 ret = fit_get_desc (fit, 0, &desc); 1778 printf ("%sFIT description: ", p); 1779 if (ret) 1780 printf ("unavailable\n"); 1781 else 1782 printf ("%s\n", desc); 1783 1784 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1785 ret = fit_get_timestamp (fit, 0, ×tamp); 1786 printf ("%sCreated: ", p); 1787 if (ret) 1788 printf ("unavailable\n"); 1789 else 1790 genimg_print_time (timestamp); 1791 #endif 1792 1793 /* Find images parent node offset */ 1794 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 1795 if (images_noffset < 0) { 1796 printf ("Can't find images parent node '%s' (%s)\n", 1797 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 1798 return; 1799 } 1800 1801 /* Process its subnodes, print out component images details */ 1802 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 1803 (noffset >= 0) && (ndepth > 0); 1804 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1805 if (ndepth == 1) { 1806 /* 1807 * Direct child node of the images parent node, 1808 * i.e. component image node. 1809 */ 1810 printf ("%s Image %u (%s)\n", p, count++, 1811 fit_get_name(fit, noffset, NULL)); 1812 1813 fit_image_print (fit, noffset, p); 1814 } 1815 } 1816 1817 /* Find configurations parent node offset */ 1818 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 1819 if (confs_noffset < 0) { 1820 debug ("Can't get configurations parent node '%s' (%s)\n", 1821 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 1822 return; 1823 } 1824 1825 /* get default configuration unit name from default property */ 1826 uname = (char *)fdt_getprop (fit, noffset, FIT_DEFAULT_PROP, NULL); 1827 if (uname) 1828 printf ("%s Default Configuration: '%s'\n", p, uname); 1829 1830 /* Process its subnodes, print out configurations details */ 1831 for (ndepth = 0, count = 0, noffset = fdt_next_node (fit, confs_noffset, &ndepth); 1832 (noffset >= 0) && (ndepth > 0); 1833 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1834 if (ndepth == 1) { 1835 /* 1836 * Direct child node of the configurations parent node, 1837 * i.e. configuration node. 1838 */ 1839 printf ("%s Configuration %u (%s)\n", p, count++, 1840 fit_get_name(fit, noffset, NULL)); 1841 1842 fit_conf_print (fit, noffset, p); 1843 } 1844 } 1845 } 1846 1847 /** 1848 * fit_image_print - prints out the FIT component image details 1849 * @fit: pointer to the FIT format image header 1850 * @image_noffset: offset of the component image node 1851 * @p: pointer to prefix string 1852 * 1853 * fit_image_print() lists all mandatory properies for the processed component 1854 * image. If present, hash nodes are printed out as well. 1855 * 1856 * returns: 1857 * no returned results 1858 */ 1859 void fit_image_print (const void *fit, int image_noffset, const char *p) 1860 { 1861 char *desc; 1862 uint8_t type, arch, os, comp; 1863 size_t size; 1864 ulong load, entry; 1865 const void *data; 1866 int noffset; 1867 int ndepth; 1868 int ret; 1869 1870 /* Mandatory properties */ 1871 ret = fit_get_desc (fit, image_noffset, &desc); 1872 printf ("%s Description: ", p); 1873 if (ret) 1874 printf ("unavailable\n"); 1875 else 1876 printf ("%s\n", desc); 1877 1878 fit_image_get_type (fit, image_noffset, &type); 1879 printf ("%s Type: %s\n", p, genimg_get_type_name (type)); 1880 1881 fit_image_get_comp (fit, image_noffset, &comp); 1882 printf ("%s Compression: %s\n", p, genimg_get_comp_name (comp)); 1883 1884 ret = fit_image_get_data (fit, image_noffset, &data, &size); 1885 1886 #ifndef USE_HOSTCC 1887 printf ("%s Data Start: ", p); 1888 if (ret) 1889 printf ("unavailable\n"); 1890 else 1891 printf ("0x%08lx\n", (ulong)data); 1892 #endif 1893 1894 printf ("%s Data Size: ", p); 1895 if (ret) 1896 printf ("unavailable\n"); 1897 else 1898 genimg_print_size (size); 1899 1900 /* Remaining, type dependent properties */ 1901 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 1902 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 1903 (type == IH_TYPE_FLATDT)) { 1904 fit_image_get_arch (fit, image_noffset, &arch); 1905 printf ("%s Architecture: %s\n", p, genimg_get_arch_name (arch)); 1906 } 1907 1908 if (type == IH_TYPE_KERNEL) { 1909 fit_image_get_os (fit, image_noffset, &os); 1910 printf ("%s OS: %s\n", p, genimg_get_os_name (os)); 1911 } 1912 1913 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 1914 ret = fit_image_get_load (fit, image_noffset, &load); 1915 printf ("%s Load Address: ", p); 1916 if (ret) 1917 printf ("unavailable\n"); 1918 else 1919 printf ("0x%08lx\n", load); 1920 1921 fit_image_get_entry (fit, image_noffset, &entry); 1922 printf ("%s Entry Point: ", p); 1923 if (ret) 1924 printf ("unavailable\n"); 1925 else 1926 printf ("0x%08lx\n", entry); 1927 } 1928 1929 /* Process all hash subnodes of the component image node */ 1930 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 1931 (noffset >= 0) && (ndepth > 0); 1932 noffset = fdt_next_node (fit, noffset, &ndepth)) { 1933 if (ndepth == 1) { 1934 /* Direct child node of the component image node */ 1935 fit_image_print_hash (fit, noffset, p); 1936 } 1937 } 1938 } 1939 1940 /** 1941 * fit_image_print_hash - prints out the hash node details 1942 * @fit: pointer to the FIT format image header 1943 * @noffset: offset of the hash node 1944 * @p: pointer to prefix string 1945 * 1946 * fit_image_print_hash() lists properies for the processed hash node 1947 * 1948 * returns: 1949 * no returned results 1950 */ 1951 void fit_image_print_hash (const void *fit, int noffset, const char *p) 1952 { 1953 char *algo; 1954 uint8_t *value; 1955 int value_len; 1956 int i, ret; 1957 1958 /* 1959 * Check subnode name, must be equal to "hash". 1960 * Multiple hash nodes require unique unit node 1961 * names, e.g. hash@1, hash@2, etc. 1962 */ 1963 if (strncmp (fit_get_name(fit, noffset, NULL), 1964 FIT_HASH_NODENAME, 1965 strlen(FIT_HASH_NODENAME)) != 0) 1966 return; 1967 1968 debug ("%s Hash node: '%s'\n", p, 1969 fit_get_name (fit, noffset, NULL)); 1970 1971 printf ("%s Hash algo: ", p); 1972 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 1973 printf ("invalid/unsupported\n"); 1974 return; 1975 } 1976 printf ("%s\n", algo); 1977 1978 ret = fit_image_hash_get_value (fit, noffset, &value, 1979 &value_len); 1980 printf ("%s Hash value: ", p); 1981 if (ret) { 1982 printf ("unavailable\n"); 1983 } else { 1984 for (i = 0; i < value_len; i++) 1985 printf ("%02x", value[i]); 1986 printf ("\n"); 1987 } 1988 1989 debug ("%s Hash len: %d\n", p, value_len); 1990 } 1991 1992 /** 1993 * fit_get_desc - get node description property 1994 * @fit: pointer to the FIT format image header 1995 * @noffset: node offset 1996 * @desc: double pointer to the char, will hold pointer to the descrption 1997 * 1998 * fit_get_desc() reads description property from a given node, if 1999 * description is found pointer to it is returened in third call argument. 2000 * 2001 * returns: 2002 * 0, on success 2003 * -1, on failure 2004 */ 2005 int fit_get_desc (const void *fit, int noffset, char **desc) 2006 { 2007 int len; 2008 2009 *desc = (char *)fdt_getprop (fit, noffset, FIT_DESC_PROP, &len); 2010 if (*desc == NULL) { 2011 fit_get_debug (fit, noffset, FIT_DESC_PROP, len); 2012 return -1; 2013 } 2014 2015 return 0; 2016 } 2017 2018 /** 2019 * fit_get_timestamp - get node timestamp property 2020 * @fit: pointer to the FIT format image header 2021 * @noffset: node offset 2022 * @timestamp: pointer to the time_t, will hold read timestamp 2023 * 2024 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 2025 * is found and has a correct size its value is retured in third call 2026 * argument. 2027 * 2028 * returns: 2029 * 0, on success 2030 * -1, on property read failure 2031 * -2, on wrong timestamp size 2032 */ 2033 int fit_get_timestamp (const void *fit, int noffset, time_t *timestamp) 2034 { 2035 int len; 2036 const void *data; 2037 2038 data = fdt_getprop (fit, noffset, FIT_TIMESTAMP_PROP, &len); 2039 if (data == NULL) { 2040 fit_get_debug (fit, noffset, FIT_TIMESTAMP_PROP, len); 2041 return -1; 2042 } 2043 if (len != sizeof (uint32_t)) { 2044 debug ("FIT timestamp with incorrect size of (%u)\n", len); 2045 return -2; 2046 } 2047 2048 *timestamp = uimage_to_cpu (*((uint32_t *)data)); 2049 return 0; 2050 } 2051 2052 /** 2053 * fit_image_get_node - get node offset for component image of a given unit name 2054 * @fit: pointer to the FIT format image header 2055 * @image_uname: component image node unit name 2056 * 2057 * fit_image_get_node() finds a component image (withing the '/images' 2058 * node) of a provided unit name. If image is found its node offset is 2059 * returned to the caller. 2060 * 2061 * returns: 2062 * image node offset when found (>=0) 2063 * negative number on failure (FDT_ERR_* code) 2064 */ 2065 int fit_image_get_node (const void *fit, const char *image_uname) 2066 { 2067 int noffset, images_noffset; 2068 2069 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2070 if (images_noffset < 0) { 2071 debug ("Can't find images parent node '%s' (%s)\n", 2072 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2073 return images_noffset; 2074 } 2075 2076 noffset = fdt_subnode_offset (fit, images_noffset, image_uname); 2077 if (noffset < 0) { 2078 debug ("Can't get node offset for image unit name: '%s' (%s)\n", 2079 image_uname, fdt_strerror (noffset)); 2080 } 2081 2082 return noffset; 2083 } 2084 2085 /** 2086 * fit_image_get_os - get os id for a given component image node 2087 * @fit: pointer to the FIT format image header 2088 * @noffset: component image node offset 2089 * @os: pointer to the uint8_t, will hold os numeric id 2090 * 2091 * fit_image_get_os() finds os property in a given component image node. 2092 * If the property is found, its (string) value is translated to the numeric 2093 * id which is returned to the caller. 2094 * 2095 * returns: 2096 * 0, on success 2097 * -1, on failure 2098 */ 2099 int fit_image_get_os (const void *fit, int noffset, uint8_t *os) 2100 { 2101 int len; 2102 const void *data; 2103 2104 /* Get OS name from property data */ 2105 data = fdt_getprop (fit, noffset, FIT_OS_PROP, &len); 2106 if (data == NULL) { 2107 fit_get_debug (fit, noffset, FIT_OS_PROP, len); 2108 *os = -1; 2109 return -1; 2110 } 2111 2112 /* Translate OS name to id */ 2113 *os = genimg_get_os_id (data); 2114 return 0; 2115 } 2116 2117 /** 2118 * fit_image_get_arch - get arch id for a given component image node 2119 * @fit: pointer to the FIT format image header 2120 * @noffset: component image node offset 2121 * @arch: pointer to the uint8_t, will hold arch numeric id 2122 * 2123 * fit_image_get_arch() finds arch property in a given component image node. 2124 * If the property is found, its (string) value is translated to the numeric 2125 * id which is returned to the caller. 2126 * 2127 * returns: 2128 * 0, on success 2129 * -1, on failure 2130 */ 2131 int fit_image_get_arch (const void *fit, int noffset, uint8_t *arch) 2132 { 2133 int len; 2134 const void *data; 2135 2136 /* Get architecture name from property data */ 2137 data = fdt_getprop (fit, noffset, FIT_ARCH_PROP, &len); 2138 if (data == NULL) { 2139 fit_get_debug (fit, noffset, FIT_ARCH_PROP, len); 2140 *arch = -1; 2141 return -1; 2142 } 2143 2144 /* Translate architecture name to id */ 2145 *arch = genimg_get_arch_id (data); 2146 return 0; 2147 } 2148 2149 /** 2150 * fit_image_get_type - get type id for a given component image node 2151 * @fit: pointer to the FIT format image header 2152 * @noffset: component image node offset 2153 * @type: pointer to the uint8_t, will hold type numeric id 2154 * 2155 * fit_image_get_type() finds type property in a given component image node. 2156 * If the property is found, its (string) value is translated to the numeric 2157 * id which is returned to the caller. 2158 * 2159 * returns: 2160 * 0, on success 2161 * -1, on failure 2162 */ 2163 int fit_image_get_type (const void *fit, int noffset, uint8_t *type) 2164 { 2165 int len; 2166 const void *data; 2167 2168 /* Get image type name from property data */ 2169 data = fdt_getprop (fit, noffset, FIT_TYPE_PROP, &len); 2170 if (data == NULL) { 2171 fit_get_debug (fit, noffset, FIT_TYPE_PROP, len); 2172 *type = -1; 2173 return -1; 2174 } 2175 2176 /* Translate image type name to id */ 2177 *type = genimg_get_type_id (data); 2178 return 0; 2179 } 2180 2181 /** 2182 * fit_image_get_comp - get comp id for a given component image node 2183 * @fit: pointer to the FIT format image header 2184 * @noffset: component image node offset 2185 * @comp: pointer to the uint8_t, will hold comp numeric id 2186 * 2187 * fit_image_get_comp() finds comp property in a given component image node. 2188 * If the property is found, its (string) value is translated to the numeric 2189 * id which is returned to the caller. 2190 * 2191 * returns: 2192 * 0, on success 2193 * -1, on failure 2194 */ 2195 int fit_image_get_comp (const void *fit, int noffset, uint8_t *comp) 2196 { 2197 int len; 2198 const void *data; 2199 2200 /* Get compression name from property data */ 2201 data = fdt_getprop (fit, noffset, FIT_COMP_PROP, &len); 2202 if (data == NULL) { 2203 fit_get_debug (fit, noffset, FIT_COMP_PROP, len); 2204 *comp = -1; 2205 return -1; 2206 } 2207 2208 /* Translate compression name to id */ 2209 *comp = genimg_get_comp_id (data); 2210 return 0; 2211 } 2212 2213 /** 2214 * fit_image_get_load - get load address property for a given component image node 2215 * @fit: pointer to the FIT format image header 2216 * @noffset: component image node offset 2217 * @load: pointer to the uint32_t, will hold load address 2218 * 2219 * fit_image_get_load() finds load address property in a given component image node. 2220 * If the property is found, its value is returned to the caller. 2221 * 2222 * returns: 2223 * 0, on success 2224 * -1, on failure 2225 */ 2226 int fit_image_get_load (const void *fit, int noffset, ulong *load) 2227 { 2228 int len; 2229 const uint32_t *data; 2230 2231 data = fdt_getprop (fit, noffset, FIT_LOAD_PROP, &len); 2232 if (data == NULL) { 2233 fit_get_debug (fit, noffset, FIT_LOAD_PROP, len); 2234 return -1; 2235 } 2236 2237 *load = uimage_to_cpu (*data); 2238 return 0; 2239 } 2240 2241 /** 2242 * fit_image_get_entry - get entry point address property for a given component image node 2243 * @fit: pointer to the FIT format image header 2244 * @noffset: component image node offset 2245 * @entry: pointer to the uint32_t, will hold entry point address 2246 * 2247 * fit_image_get_entry() finds entry point address property in a given component image node. 2248 * If the property is found, its value is returned to the caller. 2249 * 2250 * returns: 2251 * 0, on success 2252 * -1, on failure 2253 */ 2254 int fit_image_get_entry (const void *fit, int noffset, ulong *entry) 2255 { 2256 int len; 2257 const uint32_t *data; 2258 2259 data = fdt_getprop (fit, noffset, FIT_ENTRY_PROP, &len); 2260 if (data == NULL) { 2261 fit_get_debug (fit, noffset, FIT_ENTRY_PROP, len); 2262 return -1; 2263 } 2264 2265 *entry = uimage_to_cpu (*data); 2266 return 0; 2267 } 2268 2269 /** 2270 * fit_image_get_data - get data property and its size for a given component image node 2271 * @fit: pointer to the FIT format image header 2272 * @noffset: component image node offset 2273 * @data: double pointer to void, will hold data property's data address 2274 * @size: pointer to size_t, will hold data property's data size 2275 * 2276 * fit_image_get_data() finds data property in a given component image node. 2277 * If the property is found its data start address and size are returned to 2278 * the caller. 2279 * 2280 * returns: 2281 * 0, on success 2282 * -1, on failure 2283 */ 2284 int fit_image_get_data (const void *fit, int noffset, 2285 const void **data, size_t *size) 2286 { 2287 int len; 2288 2289 *data = fdt_getprop (fit, noffset, FIT_DATA_PROP, &len); 2290 if (*data == NULL) { 2291 fit_get_debug (fit, noffset, FIT_DATA_PROP, len); 2292 *size = 0; 2293 return -1; 2294 } 2295 2296 *size = len; 2297 return 0; 2298 } 2299 2300 /** 2301 * fit_image_hash_get_algo - get hash algorithm name 2302 * @fit: pointer to the FIT format image header 2303 * @noffset: hash node offset 2304 * @algo: double pointer to char, will hold pointer to the algorithm name 2305 * 2306 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 2307 * If the property is found its data start address is returned to the caller. 2308 * 2309 * returns: 2310 * 0, on success 2311 * -1, on failure 2312 */ 2313 int fit_image_hash_get_algo (const void *fit, int noffset, char **algo) 2314 { 2315 int len; 2316 2317 *algo = (char *)fdt_getprop (fit, noffset, FIT_ALGO_PROP, &len); 2318 if (*algo == NULL) { 2319 fit_get_debug (fit, noffset, FIT_ALGO_PROP, len); 2320 return -1; 2321 } 2322 2323 return 0; 2324 } 2325 2326 /** 2327 * fit_image_hash_get_value - get hash value and length 2328 * @fit: pointer to the FIT format image header 2329 * @noffset: hash node offset 2330 * @value: double pointer to uint8_t, will hold address of a hash value data 2331 * @value_len: pointer to an int, will hold hash data length 2332 * 2333 * fit_image_hash_get_value() finds hash value property in a given hash node. 2334 * If the property is found its data start address and size are returned to 2335 * the caller. 2336 * 2337 * returns: 2338 * 0, on success 2339 * -1, on failure 2340 */ 2341 int fit_image_hash_get_value (const void *fit, int noffset, uint8_t **value, 2342 int *value_len) 2343 { 2344 int len; 2345 2346 *value = (uint8_t *)fdt_getprop (fit, noffset, FIT_VALUE_PROP, &len); 2347 if (*value == NULL) { 2348 fit_get_debug (fit, noffset, FIT_VALUE_PROP, len); 2349 *value_len = 0; 2350 return -1; 2351 } 2352 2353 *value_len = len; 2354 return 0; 2355 } 2356 2357 /** 2358 * fit_set_timestamp - set node timestamp property 2359 * @fit: pointer to the FIT format image header 2360 * @noffset: node offset 2361 * @timestamp: timestamp value to be set 2362 * 2363 * fit_set_timestamp() attempts to set timestamp property in the requested 2364 * node and returns operation status to the caller. 2365 * 2366 * returns: 2367 * 0, on success 2368 * -1, on property read failure 2369 */ 2370 int fit_set_timestamp (void *fit, int noffset, time_t timestamp) 2371 { 2372 uint32_t t; 2373 int ret; 2374 2375 t = cpu_to_uimage (timestamp); 2376 ret = fdt_setprop (fit, noffset, FIT_TIMESTAMP_PROP, &t, 2377 sizeof (uint32_t)); 2378 if (ret) { 2379 printf ("Can't set '%s' property for '%s' node (%s)\n", 2380 FIT_TIMESTAMP_PROP, fit_get_name (fit, noffset, NULL), 2381 fdt_strerror (ret)); 2382 return -1; 2383 } 2384 2385 return 0; 2386 } 2387 2388 /** 2389 * calculate_hash - calculate and return hash for provided input data 2390 * @data: pointer to the input data 2391 * @data_len: data length 2392 * @algo: requested hash algorithm 2393 * @value: pointer to the char, will hold hash value data (caller must 2394 * allocate enough free space) 2395 * value_len: length of the calculated hash 2396 * 2397 * calculate_hash() computes input data hash according to the requested algorithm. 2398 * Resulting hash value is placed in caller provided 'value' buffer, length 2399 * of the calculated hash is returned via value_len pointer argument. 2400 * 2401 * returns: 2402 * 0, on success 2403 * -1, when algo is unsupported 2404 */ 2405 static int calculate_hash (const void *data, int data_len, const char *algo, 2406 uint8_t *value, int *value_len) 2407 { 2408 if (strcmp (algo, "crc32") == 0 ) { 2409 *((uint32_t *)value) = crc32_wd (0, data, data_len, 2410 CHUNKSZ_CRC32); 2411 *((uint32_t *)value) = cpu_to_uimage (*((uint32_t *)value)); 2412 *value_len = 4; 2413 } else if (strcmp (algo, "sha1") == 0 ) { 2414 sha1_csum_wd ((unsigned char *) data, data_len, 2415 (unsigned char *) value, CHUNKSZ_SHA1); 2416 *value_len = 20; 2417 } else if (strcmp (algo, "md5") == 0 ) { 2418 md5_wd ((unsigned char *)data, data_len, value, CHUNKSZ_MD5); 2419 *value_len = 16; 2420 } else { 2421 debug ("Unsupported hash alogrithm\n"); 2422 return -1; 2423 } 2424 return 0; 2425 } 2426 2427 #ifdef USE_HOSTCC 2428 /** 2429 * fit_set_hashes - process FIT component image nodes and calculate hashes 2430 * @fit: pointer to the FIT format image header 2431 * 2432 * fit_set_hashes() adds hash values for all component images in the FIT blob. 2433 * Hashes are calculated for all component images which have hash subnodes 2434 * with algorithm property set to one of the supported hash algorithms. 2435 * 2436 * returns 2437 * 0, on success 2438 * libfdt error code, on failure 2439 */ 2440 int fit_set_hashes (void *fit) 2441 { 2442 int images_noffset; 2443 int noffset; 2444 int ndepth; 2445 int ret; 2446 2447 /* Find images parent node offset */ 2448 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2449 if (images_noffset < 0) { 2450 printf ("Can't find images parent node '%s' (%s)\n", 2451 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2452 return images_noffset; 2453 } 2454 2455 /* Process its subnodes, print out component images details */ 2456 for (ndepth = 0, noffset = fdt_next_node (fit, images_noffset, &ndepth); 2457 (noffset >= 0) && (ndepth > 0); 2458 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2459 if (ndepth == 1) { 2460 /* 2461 * Direct child node of the images parent node, 2462 * i.e. component image node. 2463 */ 2464 ret = fit_image_set_hashes (fit, noffset); 2465 if (ret) 2466 return ret; 2467 } 2468 } 2469 2470 return 0; 2471 } 2472 2473 /** 2474 * fit_image_set_hashes - calculate/set hashes for given component image node 2475 * @fit: pointer to the FIT format image header 2476 * @image_noffset: requested component image node 2477 * 2478 * fit_image_set_hashes() adds hash values for an component image node. All 2479 * existing hash subnodes are checked, if algorithm property is set to one of 2480 * the supported hash algorithms, hash value is computed and corresponding 2481 * hash node property is set, for example: 2482 * 2483 * Input component image node structure: 2484 * 2485 * o image@1 (at image_noffset) 2486 * | - data = [binary data] 2487 * o hash@1 2488 * |- algo = "sha1" 2489 * 2490 * Output component image node structure: 2491 * 2492 * o image@1 (at image_noffset) 2493 * | - data = [binary data] 2494 * o hash@1 2495 * |- algo = "sha1" 2496 * |- value = sha1(data) 2497 * 2498 * returns: 2499 * 0 on sucess 2500 * <0 on failure 2501 */ 2502 int fit_image_set_hashes (void *fit, int image_noffset) 2503 { 2504 const void *data; 2505 size_t size; 2506 char *algo; 2507 uint8_t value[FIT_MAX_HASH_LEN]; 2508 int value_len; 2509 int noffset; 2510 int ndepth; 2511 2512 /* Get image data and data length */ 2513 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2514 printf ("Can't get image data/size\n"); 2515 return -1; 2516 } 2517 2518 /* Process all hash subnodes of the component image node */ 2519 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2520 (noffset >= 0) && (ndepth > 0); 2521 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2522 if (ndepth == 1) { 2523 /* Direct child node of the component image node */ 2524 2525 /* 2526 * Check subnode name, must be equal to "hash". 2527 * Multiple hash nodes require unique unit node 2528 * names, e.g. hash@1, hash@2, etc. 2529 */ 2530 if (strncmp (fit_get_name(fit, noffset, NULL), 2531 FIT_HASH_NODENAME, 2532 strlen(FIT_HASH_NODENAME)) != 0) { 2533 /* Not a hash subnode, skip it */ 2534 continue; 2535 } 2536 2537 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2538 printf ("Can't get hash algo property for " 2539 "'%s' hash node in '%s' image node\n", 2540 fit_get_name (fit, noffset, NULL), 2541 fit_get_name (fit, image_noffset, NULL)); 2542 return -1; 2543 } 2544 2545 if (calculate_hash (data, size, algo, value, &value_len)) { 2546 printf ("Unsupported hash algorithm (%s) for " 2547 "'%s' hash node in '%s' image node\n", 2548 algo, fit_get_name (fit, noffset, NULL), 2549 fit_get_name (fit, image_noffset, NULL)); 2550 return -1; 2551 } 2552 2553 if (fit_image_hash_set_value (fit, noffset, value, 2554 value_len)) { 2555 printf ("Can't set hash value for " 2556 "'%s' hash node in '%s' image node\n", 2557 fit_get_name (fit, noffset, NULL), 2558 fit_get_name (fit, image_noffset, NULL)); 2559 return -1; 2560 } 2561 } 2562 } 2563 2564 return 0; 2565 } 2566 2567 /** 2568 * fit_image_hash_set_value - set hash value in requested has node 2569 * @fit: pointer to the FIT format image header 2570 * @noffset: hash node offset 2571 * @value: hash value to be set 2572 * @value_len: hash value length 2573 * 2574 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2575 * given and returns operation status to the caller. 2576 * 2577 * returns 2578 * 0, on success 2579 * -1, on failure 2580 */ 2581 int fit_image_hash_set_value (void *fit, int noffset, uint8_t *value, 2582 int value_len) 2583 { 2584 int ret; 2585 2586 ret = fdt_setprop (fit, noffset, FIT_VALUE_PROP, value, value_len); 2587 if (ret) { 2588 printf ("Can't set hash '%s' property for '%s' node (%s)\n", 2589 FIT_VALUE_PROP, fit_get_name (fit, noffset, NULL), 2590 fdt_strerror (ret)); 2591 return -1; 2592 } 2593 2594 return 0; 2595 } 2596 #endif /* USE_HOSTCC */ 2597 2598 /** 2599 * fit_image_check_hashes - verify data intergity 2600 * @fit: pointer to the FIT format image header 2601 * @image_noffset: component image node offset 2602 * 2603 * fit_image_check_hashes() goes over component image hash nodes, 2604 * re-calculates each data hash and compares with the value stored in hash 2605 * node. 2606 * 2607 * returns: 2608 * 1, if all hashes are valid 2609 * 0, otherwise (or on error) 2610 */ 2611 int fit_image_check_hashes (const void *fit, int image_noffset) 2612 { 2613 const void *data; 2614 size_t size; 2615 char *algo; 2616 uint8_t *fit_value; 2617 int fit_value_len; 2618 uint8_t value[FIT_MAX_HASH_LEN]; 2619 int value_len; 2620 int noffset; 2621 int ndepth; 2622 char *err_msg = ""; 2623 2624 /* Get image data and data length */ 2625 if (fit_image_get_data (fit, image_noffset, &data, &size)) { 2626 printf ("Can't get image data/size\n"); 2627 return 0; 2628 } 2629 2630 /* Process all hash subnodes of the component image node */ 2631 for (ndepth = 0, noffset = fdt_next_node (fit, image_noffset, &ndepth); 2632 (noffset >= 0) && (ndepth > 0); 2633 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2634 if (ndepth == 1) { 2635 /* Direct child node of the component image node */ 2636 2637 /* 2638 * Check subnode name, must be equal to "hash". 2639 * Multiple hash nodes require unique unit node 2640 * names, e.g. hash@1, hash@2, etc. 2641 */ 2642 if (strncmp (fit_get_name(fit, noffset, NULL), 2643 FIT_HASH_NODENAME, 2644 strlen(FIT_HASH_NODENAME)) != 0) 2645 continue; 2646 2647 if (fit_image_hash_get_algo (fit, noffset, &algo)) { 2648 err_msg = " error!\nCan't get hash algo " 2649 "property"; 2650 goto error; 2651 } 2652 printf ("%s", algo); 2653 2654 if (fit_image_hash_get_value (fit, noffset, &fit_value, 2655 &fit_value_len)) { 2656 err_msg = " error!\nCan't get hash value " 2657 "property"; 2658 goto error; 2659 } 2660 2661 if (calculate_hash (data, size, algo, value, &value_len)) { 2662 err_msg = " error!\nUnsupported hash algorithm"; 2663 goto error; 2664 } 2665 2666 if (value_len != fit_value_len) { 2667 err_msg = " error !\nBad hash value len"; 2668 goto error; 2669 } else if (memcmp (value, fit_value, value_len) != 0) { 2670 err_msg = " error!\nBad hash value"; 2671 goto error; 2672 } 2673 printf ("+ "); 2674 } 2675 } 2676 2677 return 1; 2678 2679 error: 2680 printf ("%s for '%s' hash node in '%s' image node\n", 2681 err_msg, fit_get_name (fit, noffset, NULL), 2682 fit_get_name (fit, image_noffset, NULL)); 2683 return 0; 2684 } 2685 2686 /** 2687 * fit_all_image_check_hashes - verify data intergity for all images 2688 * @fit: pointer to the FIT format image header 2689 * 2690 * fit_all_image_check_hashes() goes over all images in the FIT and 2691 * for every images checks if all it's hashes are valid. 2692 * 2693 * returns: 2694 * 1, if all hashes of all images are valid 2695 * 0, otherwise (or on error) 2696 */ 2697 int fit_all_image_check_hashes (const void *fit) 2698 { 2699 int images_noffset; 2700 int noffset; 2701 int ndepth; 2702 int count; 2703 2704 /* Find images parent node offset */ 2705 images_noffset = fdt_path_offset (fit, FIT_IMAGES_PATH); 2706 if (images_noffset < 0) { 2707 printf ("Can't find images parent node '%s' (%s)\n", 2708 FIT_IMAGES_PATH, fdt_strerror (images_noffset)); 2709 return 0; 2710 } 2711 2712 /* Process all image subnodes, check hashes for each */ 2713 printf ("## Checking hash(es) for FIT Image at %08lx ...\n", 2714 (ulong)fit); 2715 for (ndepth = 0, count = 0, 2716 noffset = fdt_next_node (fit, images_noffset, &ndepth); 2717 (noffset >= 0) && (ndepth > 0); 2718 noffset = fdt_next_node (fit, noffset, &ndepth)) { 2719 if (ndepth == 1) { 2720 /* 2721 * Direct child node of the images parent node, 2722 * i.e. component image node. 2723 */ 2724 printf (" Hash(es) for Image %u (%s): ", count++, 2725 fit_get_name (fit, noffset, NULL)); 2726 2727 if (!fit_image_check_hashes (fit, noffset)) 2728 return 0; 2729 printf ("\n"); 2730 } 2731 } 2732 return 1; 2733 } 2734 2735 /** 2736 * fit_image_check_os - check whether image node is of a given os type 2737 * @fit: pointer to the FIT format image header 2738 * @noffset: component image node offset 2739 * @os: requested image os 2740 * 2741 * fit_image_check_os() reads image os property and compares its numeric 2742 * id with the requested os. Comparison result is returned to the caller. 2743 * 2744 * returns: 2745 * 1 if image is of given os type 2746 * 0 otherwise (or on error) 2747 */ 2748 int fit_image_check_os (const void *fit, int noffset, uint8_t os) 2749 { 2750 uint8_t image_os; 2751 2752 if (fit_image_get_os (fit, noffset, &image_os)) 2753 return 0; 2754 return (os == image_os); 2755 } 2756 2757 /** 2758 * fit_image_check_arch - check whether image node is of a given arch 2759 * @fit: pointer to the FIT format image header 2760 * @noffset: component image node offset 2761 * @arch: requested imagearch 2762 * 2763 * fit_image_check_arch() reads image arch property and compares its numeric 2764 * id with the requested arch. Comparison result is returned to the caller. 2765 * 2766 * returns: 2767 * 1 if image is of given arch 2768 * 0 otherwise (or on error) 2769 */ 2770 int fit_image_check_arch (const void *fit, int noffset, uint8_t arch) 2771 { 2772 uint8_t image_arch; 2773 2774 if (fit_image_get_arch (fit, noffset, &image_arch)) 2775 return 0; 2776 return (arch == image_arch); 2777 } 2778 2779 /** 2780 * fit_image_check_type - check whether image node is of a given type 2781 * @fit: pointer to the FIT format image header 2782 * @noffset: component image node offset 2783 * @type: requested image type 2784 * 2785 * fit_image_check_type() reads image type property and compares its numeric 2786 * id with the requested type. Comparison result is returned to the caller. 2787 * 2788 * returns: 2789 * 1 if image is of given type 2790 * 0 otherwise (or on error) 2791 */ 2792 int fit_image_check_type (const void *fit, int noffset, uint8_t type) 2793 { 2794 uint8_t image_type; 2795 2796 if (fit_image_get_type (fit, noffset, &image_type)) 2797 return 0; 2798 return (type == image_type); 2799 } 2800 2801 /** 2802 * fit_image_check_comp - check whether image node uses given compression 2803 * @fit: pointer to the FIT format image header 2804 * @noffset: component image node offset 2805 * @comp: requested image compression type 2806 * 2807 * fit_image_check_comp() reads image compression property and compares its 2808 * numeric id with the requested compression type. Comparison result is 2809 * returned to the caller. 2810 * 2811 * returns: 2812 * 1 if image uses requested compression 2813 * 0 otherwise (or on error) 2814 */ 2815 int fit_image_check_comp (const void *fit, int noffset, uint8_t comp) 2816 { 2817 uint8_t image_comp; 2818 2819 if (fit_image_get_comp (fit, noffset, &image_comp)) 2820 return 0; 2821 return (comp == image_comp); 2822 } 2823 2824 /** 2825 * fit_check_format - sanity check FIT image format 2826 * @fit: pointer to the FIT format image header 2827 * 2828 * fit_check_format() runs a basic sanity FIT image verification. 2829 * Routine checks for mandatory properties, nodes, etc. 2830 * 2831 * returns: 2832 * 1, on success 2833 * 0, on failure 2834 */ 2835 int fit_check_format (const void *fit) 2836 { 2837 /* mandatory / node 'description' property */ 2838 if (fdt_getprop (fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2839 debug ("Wrong FIT format: no description\n"); 2840 return 0; 2841 } 2842 2843 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2844 /* mandatory / node 'timestamp' property */ 2845 if (fdt_getprop (fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2846 debug ("Wrong FIT format: no description\n"); 2847 return 0; 2848 } 2849 #endif 2850 2851 /* mandatory subimages parent '/images' node */ 2852 if (fdt_path_offset (fit, FIT_IMAGES_PATH) < 0) { 2853 debug ("Wrong FIT format: no images parent node\n"); 2854 return 0; 2855 } 2856 2857 return 1; 2858 } 2859 2860 /** 2861 * fit_conf_get_node - get node offset for configuration of a given unit name 2862 * @fit: pointer to the FIT format image header 2863 * @conf_uname: configuration node unit name 2864 * 2865 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2866 * parant node) of a provided unit name. If configuration is found its node offset 2867 * is returned to the caller. 2868 * 2869 * When NULL is provided in second argument fit_conf_get_node() will search 2870 * for a default configuration node instead. Default configuration node unit name 2871 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2872 * 2873 * returns: 2874 * configuration node offset when found (>=0) 2875 * negative number on failure (FDT_ERR_* code) 2876 */ 2877 int fit_conf_get_node (const void *fit, const char *conf_uname) 2878 { 2879 int noffset, confs_noffset; 2880 int len; 2881 2882 confs_noffset = fdt_path_offset (fit, FIT_CONFS_PATH); 2883 if (confs_noffset < 0) { 2884 debug ("Can't find configurations parent node '%s' (%s)\n", 2885 FIT_CONFS_PATH, fdt_strerror (confs_noffset)); 2886 return confs_noffset; 2887 } 2888 2889 if (conf_uname == NULL) { 2890 /* get configuration unit name from the default property */ 2891 debug ("No configuration specified, trying default...\n"); 2892 conf_uname = (char *)fdt_getprop (fit, confs_noffset, FIT_DEFAULT_PROP, &len); 2893 if (conf_uname == NULL) { 2894 fit_get_debug (fit, confs_noffset, FIT_DEFAULT_PROP, len); 2895 return len; 2896 } 2897 debug ("Found default configuration: '%s'\n", conf_uname); 2898 } 2899 2900 noffset = fdt_subnode_offset (fit, confs_noffset, conf_uname); 2901 if (noffset < 0) { 2902 debug ("Can't get node offset for configuration unit name: '%s' (%s)\n", 2903 conf_uname, fdt_strerror (noffset)); 2904 } 2905 2906 return noffset; 2907 } 2908 2909 static int __fit_conf_get_prop_node (const void *fit, int noffset, 2910 const char *prop_name) 2911 { 2912 char *uname; 2913 int len; 2914 2915 /* get kernel image unit name from configuration kernel property */ 2916 uname = (char *)fdt_getprop (fit, noffset, prop_name, &len); 2917 if (uname == NULL) 2918 return len; 2919 2920 return fit_image_get_node (fit, uname); 2921 } 2922 2923 /** 2924 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 2925 * a given configuration 2926 * @fit: pointer to the FIT format image header 2927 * @noffset: configuration node offset 2928 * 2929 * fit_conf_get_kernel_node() retrives kernel image node unit name from 2930 * configuration FIT_KERNEL_PROP property and translates it to the node 2931 * offset. 2932 * 2933 * returns: 2934 * image node offset when found (>=0) 2935 * negative number on failure (FDT_ERR_* code) 2936 */ 2937 int fit_conf_get_kernel_node (const void *fit, int noffset) 2938 { 2939 return __fit_conf_get_prop_node (fit, noffset, FIT_KERNEL_PROP); 2940 } 2941 2942 /** 2943 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 2944 * a given configuration 2945 * @fit: pointer to the FIT format image header 2946 * @noffset: configuration node offset 2947 * 2948 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 2949 * configuration FIT_KERNEL_PROP property and translates it to the node 2950 * offset. 2951 * 2952 * returns: 2953 * image node offset when found (>=0) 2954 * negative number on failure (FDT_ERR_* code) 2955 */ 2956 int fit_conf_get_ramdisk_node (const void *fit, int noffset) 2957 { 2958 return __fit_conf_get_prop_node (fit, noffset, FIT_RAMDISK_PROP); 2959 } 2960 2961 /** 2962 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 2963 * a given configuration 2964 * @fit: pointer to the FIT format image header 2965 * @noffset: configuration node offset 2966 * 2967 * fit_conf_get_fdt_node() retrives fdt image node unit name from 2968 * configuration FIT_KERNEL_PROP property and translates it to the node 2969 * offset. 2970 * 2971 * returns: 2972 * image node offset when found (>=0) 2973 * negative number on failure (FDT_ERR_* code) 2974 */ 2975 int fit_conf_get_fdt_node (const void *fit, int noffset) 2976 { 2977 return __fit_conf_get_prop_node (fit, noffset, FIT_FDT_PROP); 2978 } 2979 2980 /** 2981 * fit_conf_print - prints out the FIT configuration details 2982 * @fit: pointer to the FIT format image header 2983 * @noffset: offset of the configuration node 2984 * @p: pointer to prefix string 2985 * 2986 * fit_conf_print() lists all mandatory properies for the processed 2987 * configuration node. 2988 * 2989 * returns: 2990 * no returned results 2991 */ 2992 void fit_conf_print (const void *fit, int noffset, const char *p) 2993 { 2994 char *desc; 2995 char *uname; 2996 int ret; 2997 2998 /* Mandatory properties */ 2999 ret = fit_get_desc (fit, noffset, &desc); 3000 printf ("%s Description: ", p); 3001 if (ret) 3002 printf ("unavailable\n"); 3003 else 3004 printf ("%s\n", desc); 3005 3006 uname = (char *)fdt_getprop (fit, noffset, FIT_KERNEL_PROP, NULL); 3007 printf ("%s Kernel: ", p); 3008 if (uname == NULL) 3009 printf ("unavailable\n"); 3010 else 3011 printf ("%s\n", uname); 3012 3013 /* Optional properties */ 3014 uname = (char *)fdt_getprop (fit, noffset, FIT_RAMDISK_PROP, NULL); 3015 if (uname) 3016 printf ("%s Init Ramdisk: %s\n", p, uname); 3017 3018 uname = (char *)fdt_getprop (fit, noffset, FIT_FDT_PROP, NULL); 3019 if (uname) 3020 printf ("%s FDT: %s\n", p, uname); 3021 } 3022 3023 /** 3024 * fit_check_ramdisk - verify FIT format ramdisk subimage 3025 * @fit_hdr: pointer to the FIT ramdisk header 3026 * @rd_noffset: ramdisk subimage node offset within FIT image 3027 * @arch: requested ramdisk image architecture type 3028 * @verify: data CRC verification flag 3029 * 3030 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 3031 * specified FIT image. 3032 * 3033 * returns: 3034 * 1, on success 3035 * 0, on failure 3036 */ 3037 #ifndef USE_HOSTCC 3038 static int fit_check_ramdisk (const void *fit, int rd_noffset, uint8_t arch, int verify) 3039 { 3040 fit_image_print (fit, rd_noffset, " "); 3041 3042 if (verify) { 3043 puts (" Verifying Hash Integrity ... "); 3044 if (!fit_image_check_hashes (fit, rd_noffset)) { 3045 puts ("Bad Data Hash\n"); 3046 show_boot_progress (-125); 3047 return 0; 3048 } 3049 puts ("OK\n"); 3050 } 3051 3052 show_boot_progress (126); 3053 if (!fit_image_check_os (fit, rd_noffset, IH_OS_LINUX) || 3054 !fit_image_check_arch (fit, rd_noffset, arch) || 3055 !fit_image_check_type (fit, rd_noffset, IH_TYPE_RAMDISK)) { 3056 printf ("No Linux %s Ramdisk Image\n", 3057 genimg_get_arch_name(arch)); 3058 show_boot_progress (-126); 3059 return 0; 3060 } 3061 3062 show_boot_progress (127); 3063 return 1; 3064 } 3065 #endif /* USE_HOSTCC */ 3066 #endif /* CONFIG_FIT */ 3067