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