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 { IH_ARCH_NDS32, "nds32", "NDS32", }, 97 { IH_ARCH_OPENRISC, "or1k", "OpenRISC 1000",}, 98 { -1, "", "", }, 99 }; 100 101 static const table_entry_t uimage_os[] = { 102 { IH_OS_INVALID, NULL, "Invalid OS", }, 103 { IH_OS_LINUX, "linux", "Linux", }, 104 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 105 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 106 #endif 107 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 108 { IH_OS_OSE, "ose", "Enea OSE", }, 109 { IH_OS_RTEMS, "rtems", "RTEMS", }, 110 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 111 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 112 { IH_OS_QNX, "qnx", "QNX", }, 113 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 114 #endif 115 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC) 116 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", }, 117 #endif 118 #ifdef USE_HOSTCC 119 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 120 { IH_OS_DELL, "dell", "Dell", }, 121 { IH_OS_ESIX, "esix", "Esix", }, 122 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 123 { IH_OS_IRIX, "irix", "Irix", }, 124 { IH_OS_NCR, "ncr", "NCR", }, 125 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 126 { IH_OS_PSOS, "psos", "pSOS", }, 127 { IH_OS_SCO, "sco", "SCO", }, 128 { IH_OS_SOLARIS, "solaris", "Solaris", }, 129 { IH_OS_SVR4, "svr4", "SVR4", }, 130 #endif 131 { -1, "", "", }, 132 }; 133 134 static const table_entry_t uimage_type[] = { 135 { IH_TYPE_AISIMAGE, "aisimage", "Davinci AIS image",}, 136 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 137 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 138 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 139 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 140 { IH_TYPE_KERNEL_NOLOAD, "kernel_noload", "Kernel Image (no loading done)", }, 141 { IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",}, 142 { IH_TYPE_IMXIMAGE, "imximage", "Freescale i.MX Boot Image",}, 143 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 144 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 145 { IH_TYPE_OMAPIMAGE, "omapimage", "TI OMAP SPL With GP CH",}, 146 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 147 { IH_TYPE_SCRIPT, "script", "Script", }, 148 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 149 { IH_TYPE_UBLIMAGE, "ublimage", "Davinci UBL image",}, 150 { -1, "", "", }, 151 }; 152 153 static const table_entry_t uimage_comp[] = { 154 { IH_COMP_NONE, "none", "uncompressed", }, 155 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 156 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 157 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 158 { IH_COMP_LZO, "lzo", "lzo compressed", }, 159 { -1, "", "", }, 160 }; 161 162 uint32_t crc32(uint32_t, const unsigned char *, uint); 163 uint32_t crc32_wd(uint32_t, const unsigned char *, uint, uint); 164 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 165 static void genimg_print_time(time_t timestamp); 166 #endif 167 168 /*****************************************************************************/ 169 /* Legacy format routines */ 170 /*****************************************************************************/ 171 int image_check_hcrc(const image_header_t *hdr) 172 { 173 ulong hcrc; 174 ulong len = image_get_header_size(); 175 image_header_t header; 176 177 /* Copy header so we can blank CRC field for re-calculation */ 178 memmove(&header, (char *)hdr, image_get_header_size()); 179 image_set_hcrc(&header, 0); 180 181 hcrc = crc32(0, (unsigned char *)&header, len); 182 183 return (hcrc == image_get_hcrc(hdr)); 184 } 185 186 int image_check_dcrc(const image_header_t *hdr) 187 { 188 ulong data = image_get_data(hdr); 189 ulong len = image_get_data_size(hdr); 190 ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32); 191 192 return (dcrc == image_get_dcrc(hdr)); 193 } 194 195 /** 196 * image_multi_count - get component (sub-image) count 197 * @hdr: pointer to the header of the multi component image 198 * 199 * image_multi_count() returns number of components in a multi 200 * component image. 201 * 202 * Note: no checking of the image type is done, caller must pass 203 * a valid multi component image. 204 * 205 * returns: 206 * number of components 207 */ 208 ulong image_multi_count(const image_header_t *hdr) 209 { 210 ulong i, count = 0; 211 uint32_t *size; 212 213 /* get start of the image payload, which in case of multi 214 * component images that points to a table of component sizes */ 215 size = (uint32_t *)image_get_data(hdr); 216 217 /* count non empty slots */ 218 for (i = 0; size[i]; ++i) 219 count++; 220 221 return count; 222 } 223 224 /** 225 * image_multi_getimg - get component data address and size 226 * @hdr: pointer to the header of the multi component image 227 * @idx: index of the requested component 228 * @data: pointer to a ulong variable, will hold component data address 229 * @len: pointer to a ulong variable, will hold component size 230 * 231 * image_multi_getimg() returns size and data address for the requested 232 * component in a multi component image. 233 * 234 * Note: no checking of the image type is done, caller must pass 235 * a valid multi component image. 236 * 237 * returns: 238 * data address and size of the component, if idx is valid 239 * 0 in data and len, if idx is out of range 240 */ 241 void image_multi_getimg(const image_header_t *hdr, ulong idx, 242 ulong *data, ulong *len) 243 { 244 int i; 245 uint32_t *size; 246 ulong offset, count, img_data; 247 248 /* get number of component */ 249 count = image_multi_count(hdr); 250 251 /* get start of the image payload, which in case of multi 252 * component images that points to a table of component sizes */ 253 size = (uint32_t *)image_get_data(hdr); 254 255 /* get address of the proper component data start, which means 256 * skipping sizes table (add 1 for last, null entry) */ 257 img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t); 258 259 if (idx < count) { 260 *len = uimage_to_cpu(size[idx]); 261 offset = 0; 262 263 /* go over all indices preceding requested component idx */ 264 for (i = 0; i < idx; i++) { 265 /* add up i-th component size, rounding up to 4 bytes */ 266 offset += (uimage_to_cpu(size[i]) + 3) & ~3 ; 267 } 268 269 /* calculate idx-th component data address */ 270 *data = img_data + offset; 271 } else { 272 *len = 0; 273 *data = 0; 274 } 275 } 276 277 static void image_print_type(const image_header_t *hdr) 278 { 279 const char *os, *arch, *type, *comp; 280 281 os = genimg_get_os_name(image_get_os(hdr)); 282 arch = genimg_get_arch_name(image_get_arch(hdr)); 283 type = genimg_get_type_name(image_get_type(hdr)); 284 comp = genimg_get_comp_name(image_get_comp(hdr)); 285 286 printf("%s %s %s (%s)\n", arch, os, type, comp); 287 } 288 289 /** 290 * image_print_contents - prints out the contents of the legacy format image 291 * @ptr: pointer to the legacy format image header 292 * @p: pointer to prefix string 293 * 294 * image_print_contents() formats a multi line legacy image contents description. 295 * The routine prints out all header fields followed by the size/offset data 296 * for MULTI/SCRIPT images. 297 * 298 * returns: 299 * no returned results 300 */ 301 void image_print_contents(const void *ptr) 302 { 303 const image_header_t *hdr = (const image_header_t *)ptr; 304 const char *p; 305 306 #ifdef USE_HOSTCC 307 p = ""; 308 #else 309 p = " "; 310 #endif 311 312 printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr)); 313 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 314 printf("%sCreated: ", p); 315 genimg_print_time((time_t)image_get_time(hdr)); 316 #endif 317 printf("%sImage Type: ", p); 318 image_print_type(hdr); 319 printf("%sData Size: ", p); 320 genimg_print_size(image_get_data_size(hdr)); 321 printf("%sLoad Address: %08x\n", p, image_get_load(hdr)); 322 printf("%sEntry Point: %08x\n", p, image_get_ep(hdr)); 323 324 if (image_check_type(hdr, IH_TYPE_MULTI) || 325 image_check_type(hdr, IH_TYPE_SCRIPT)) { 326 int i; 327 ulong data, len; 328 ulong count = image_multi_count(hdr); 329 330 printf("%sContents:\n", p); 331 for (i = 0; i < count; i++) { 332 image_multi_getimg(hdr, i, &data, &len); 333 334 printf("%s Image %d: ", p, i); 335 genimg_print_size(len); 336 337 if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) { 338 /* 339 * the user may need to know offsets 340 * if planning to do something with 341 * multiple files 342 */ 343 printf("%s Offset = 0x%08lx\n", p, data); 344 } 345 } 346 } 347 } 348 349 350 #ifndef USE_HOSTCC 351 /** 352 * image_get_ramdisk - get and verify ramdisk image 353 * @rd_addr: ramdisk image start address 354 * @arch: expected ramdisk architecture 355 * @verify: checksum verification flag 356 * 357 * image_get_ramdisk() returns a pointer to the verified ramdisk image 358 * header. Routine receives image start address and expected architecture 359 * flag. Verification done covers data and header integrity and os/type/arch 360 * fields checking. 361 * 362 * If dataflash support is enabled routine checks for dataflash addresses 363 * and handles required dataflash reads. 364 * 365 * returns: 366 * pointer to a ramdisk image header, if image was found and valid 367 * otherwise, return NULL 368 */ 369 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 370 int verify) 371 { 372 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 373 374 if (!image_check_magic(rd_hdr)) { 375 puts("Bad Magic Number\n"); 376 show_boot_progress(-10); 377 return NULL; 378 } 379 380 if (!image_check_hcrc(rd_hdr)) { 381 puts("Bad Header Checksum\n"); 382 show_boot_progress(-11); 383 return NULL; 384 } 385 386 show_boot_progress(10); 387 image_print_contents(rd_hdr); 388 389 if (verify) { 390 puts(" Verifying Checksum ... "); 391 if (!image_check_dcrc(rd_hdr)) { 392 puts("Bad Data CRC\n"); 393 show_boot_progress(-12); 394 return NULL; 395 } 396 puts("OK\n"); 397 } 398 399 show_boot_progress(11); 400 401 if (!image_check_os(rd_hdr, IH_OS_LINUX) || 402 !image_check_arch(rd_hdr, arch) || 403 !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) { 404 printf("No Linux %s Ramdisk Image\n", 405 genimg_get_arch_name(arch)); 406 show_boot_progress(-13); 407 return NULL; 408 } 409 410 return rd_hdr; 411 } 412 #endif /* !USE_HOSTCC */ 413 414 /*****************************************************************************/ 415 /* Shared dual-format routines */ 416 /*****************************************************************************/ 417 #ifndef USE_HOSTCC 418 int getenv_yesno(char *var) 419 { 420 char *s = getenv(var); 421 return (s && (*s == 'n')) ? 0 : 1; 422 } 423 424 ulong getenv_bootm_low(void) 425 { 426 char *s = getenv("bootm_low"); 427 if (s) { 428 ulong tmp = simple_strtoul(s, NULL, 16); 429 return tmp; 430 } 431 432 #if defined(CONFIG_SYS_SDRAM_BASE) 433 return CONFIG_SYS_SDRAM_BASE; 434 #elif defined(CONFIG_ARM) 435 return gd->bd->bi_dram[0].start; 436 #else 437 return 0; 438 #endif 439 } 440 441 phys_size_t getenv_bootm_size(void) 442 { 443 phys_size_t tmp; 444 char *s = getenv("bootm_size"); 445 if (s) { 446 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 447 return tmp; 448 } 449 s = getenv("bootm_low"); 450 if (s) 451 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 452 else 453 tmp = 0; 454 455 456 #if defined(CONFIG_ARM) 457 return gd->bd->bi_dram[0].size - tmp; 458 #else 459 return gd->bd->bi_memsize - tmp; 460 #endif 461 } 462 463 phys_size_t getenv_bootm_mapsize(void) 464 { 465 phys_size_t tmp; 466 char *s = getenv("bootm_mapsize"); 467 if (s) { 468 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 469 return tmp; 470 } 471 472 #if defined(CONFIG_SYS_BOOTMAPSZ) 473 return CONFIG_SYS_BOOTMAPSZ; 474 #else 475 return getenv_bootm_size(); 476 #endif 477 } 478 479 void memmove_wd(void *to, void *from, size_t len, ulong chunksz) 480 { 481 if (to == from) 482 return; 483 484 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 485 while (len > 0) { 486 size_t tail = (len > chunksz) ? chunksz : len; 487 WATCHDOG_RESET(); 488 memmove(to, from, tail); 489 to += tail; 490 from += tail; 491 len -= tail; 492 } 493 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 494 memmove(to, from, len); 495 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 496 } 497 #endif /* !USE_HOSTCC */ 498 499 void genimg_print_size(uint32_t size) 500 { 501 #ifndef USE_HOSTCC 502 printf("%d Bytes = ", size); 503 print_size(size, "\n"); 504 #else 505 printf("%d Bytes = %.2f kB = %.2f MB\n", 506 size, (double)size / 1.024e3, 507 (double)size / 1.048576e6); 508 #endif 509 } 510 511 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 512 static void genimg_print_time(time_t timestamp) 513 { 514 #ifndef USE_HOSTCC 515 struct rtc_time tm; 516 517 to_tm(timestamp, &tm); 518 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 519 tm.tm_year, tm.tm_mon, tm.tm_mday, 520 tm.tm_hour, tm.tm_min, tm.tm_sec); 521 #else 522 printf("%s", ctime(×tamp)); 523 #endif 524 } 525 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 526 527 /** 528 * get_table_entry_name - translate entry id to long name 529 * @table: pointer to a translation table for entries of a specific type 530 * @msg: message to be returned when translation fails 531 * @id: entry id to be translated 532 * 533 * get_table_entry_name() will go over translation table trying to find 534 * entry that matches given id. If matching entry is found, its long 535 * name is returned to the caller. 536 * 537 * returns: 538 * long entry name if translation succeeds 539 * msg otherwise 540 */ 541 char *get_table_entry_name(const table_entry_t *table, char *msg, int id) 542 { 543 for (; table->id >= 0; ++table) { 544 if (table->id == id) 545 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC) 546 return table->lname; 547 #else 548 return table->lname + gd->reloc_off; 549 #endif 550 } 551 return (msg); 552 } 553 554 const char *genimg_get_os_name(uint8_t os) 555 { 556 return (get_table_entry_name(uimage_os, "Unknown OS", os)); 557 } 558 559 const char *genimg_get_arch_name(uint8_t arch) 560 { 561 return (get_table_entry_name(uimage_arch, "Unknown Architecture", 562 arch)); 563 } 564 565 const char *genimg_get_type_name(uint8_t type) 566 { 567 return (get_table_entry_name(uimage_type, "Unknown Image", type)); 568 } 569 570 const char *genimg_get_comp_name(uint8_t comp) 571 { 572 return (get_table_entry_name(uimage_comp, "Unknown Compression", 573 comp)); 574 } 575 576 /** 577 * get_table_entry_id - translate short entry name to id 578 * @table: pointer to a translation table for entries of a specific type 579 * @table_name: to be used in case of error 580 * @name: entry short name to be translated 581 * 582 * get_table_entry_id() will go over translation table trying to find 583 * entry that matches given short name. If matching entry is found, 584 * its id returned to the caller. 585 * 586 * returns: 587 * entry id if translation succeeds 588 * -1 otherwise 589 */ 590 int get_table_entry_id(const table_entry_t *table, 591 const char *table_name, const char *name) 592 { 593 const table_entry_t *t; 594 #ifdef USE_HOSTCC 595 int first = 1; 596 597 for (t = table; t->id >= 0; ++t) { 598 if (t->sname && strcasecmp(t->sname, name) == 0) 599 return(t->id); 600 } 601 602 fprintf(stderr, "\nInvalid %s Type - valid names are", table_name); 603 for (t = table; t->id >= 0; ++t) { 604 if (t->sname == NULL) 605 continue; 606 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname); 607 first = 0; 608 } 609 fprintf(stderr, "\n"); 610 #else 611 for (t = table; t->id >= 0; ++t) { 612 #ifdef CONFIG_NEEDS_MANUAL_RELOC 613 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) 614 #else 615 if (t->sname && strcmp(t->sname, name) == 0) 616 #endif 617 return (t->id); 618 } 619 debug("Invalid %s Type: %s\n", table_name, name); 620 #endif /* USE_HOSTCC */ 621 return (-1); 622 } 623 624 int genimg_get_os_id(const char *name) 625 { 626 return (get_table_entry_id(uimage_os, "OS", name)); 627 } 628 629 int genimg_get_arch_id(const char *name) 630 { 631 return (get_table_entry_id(uimage_arch, "CPU", name)); 632 } 633 634 int genimg_get_type_id(const char *name) 635 { 636 return (get_table_entry_id(uimage_type, "Image", name)); 637 } 638 639 int genimg_get_comp_id(const char *name) 640 { 641 return (get_table_entry_id(uimage_comp, "Compression", name)); 642 } 643 644 #ifndef USE_HOSTCC 645 /** 646 * genimg_get_format - get image format type 647 * @img_addr: image start address 648 * 649 * genimg_get_format() checks whether provided address points to a valid 650 * legacy or FIT image. 651 * 652 * New uImage format and FDT blob are based on a libfdt. FDT blob 653 * may be passed directly or embedded in a FIT image. In both situations 654 * genimg_get_format() must be able to dectect libfdt header. 655 * 656 * returns: 657 * image format type or IMAGE_FORMAT_INVALID if no image is present 658 */ 659 int genimg_get_format(void *img_addr) 660 { 661 ulong format = IMAGE_FORMAT_INVALID; 662 const image_header_t *hdr; 663 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 664 char *fit_hdr; 665 #endif 666 667 hdr = (const image_header_t *)img_addr; 668 if (image_check_magic(hdr)) 669 format = IMAGE_FORMAT_LEGACY; 670 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 671 else { 672 fit_hdr = (char *)img_addr; 673 if (fdt_check_header(fit_hdr) == 0) 674 format = IMAGE_FORMAT_FIT; 675 } 676 #endif 677 678 return format; 679 } 680 681 /** 682 * genimg_get_image - get image from special storage (if necessary) 683 * @img_addr: image start address 684 * 685 * genimg_get_image() checks if provided image start adddress is located 686 * in a dataflash storage. If so, image is moved to a system RAM memory. 687 * 688 * returns: 689 * image start address after possible relocation from special storage 690 */ 691 ulong genimg_get_image(ulong img_addr) 692 { 693 ulong ram_addr = img_addr; 694 695 #ifdef CONFIG_HAS_DATAFLASH 696 ulong h_size, d_size; 697 698 if (addr_dataflash(img_addr)) { 699 /* ger RAM address */ 700 ram_addr = CONFIG_SYS_LOAD_ADDR; 701 702 /* get header size */ 703 h_size = image_get_header_size(); 704 #if defined(CONFIG_FIT) 705 if (sizeof(struct fdt_header) > h_size) 706 h_size = sizeof(struct fdt_header); 707 #endif 708 709 /* read in header */ 710 debug(" Reading image header from dataflash address " 711 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 712 713 read_dataflash(img_addr, h_size, (char *)ram_addr); 714 715 /* get data size */ 716 switch (genimg_get_format((void *)ram_addr)) { 717 case IMAGE_FORMAT_LEGACY: 718 d_size = image_get_data_size( 719 (const image_header_t *)ram_addr); 720 debug(" Legacy format image found at 0x%08lx, " 721 "size 0x%08lx\n", 722 ram_addr, d_size); 723 break; 724 #if defined(CONFIG_FIT) 725 case IMAGE_FORMAT_FIT: 726 d_size = fit_get_size((const void *)ram_addr) - h_size; 727 debug(" FIT/FDT format image found at 0x%08lx, " 728 "size 0x%08lx\n", 729 ram_addr, d_size); 730 break; 731 #endif 732 default: 733 printf(" No valid image found at 0x%08lx\n", 734 img_addr); 735 return ram_addr; 736 } 737 738 /* read in image data */ 739 debug(" Reading image remaining data from dataflash address " 740 "%08lx to RAM address %08lx\n", img_addr + h_size, 741 ram_addr + h_size); 742 743 read_dataflash(img_addr + h_size, d_size, 744 (char *)(ram_addr + h_size)); 745 746 } 747 #endif /* CONFIG_HAS_DATAFLASH */ 748 749 return ram_addr; 750 } 751 752 /** 753 * fit_has_config - check if there is a valid FIT configuration 754 * @images: pointer to the bootm command headers structure 755 * 756 * fit_has_config() checks if there is a FIT configuration in use 757 * (if FTI support is present). 758 * 759 * returns: 760 * 0, no FIT support or no configuration found 761 * 1, configuration found 762 */ 763 int genimg_has_config(bootm_headers_t *images) 764 { 765 #if defined(CONFIG_FIT) 766 if (images->fit_uname_cfg) 767 return 1; 768 #endif 769 return 0; 770 } 771 772 /** 773 * boot_get_ramdisk - main ramdisk handling routine 774 * @argc: command argument count 775 * @argv: command argument list 776 * @images: pointer to the bootm images structure 777 * @arch: expected ramdisk architecture 778 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 779 * @rd_end: pointer to a ulong variable, will hold ramdisk end 780 * 781 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 782 * Curently supported are the following ramdisk sources: 783 * - multicomponent kernel/ramdisk image, 784 * - commandline provided address of decicated ramdisk image. 785 * 786 * returns: 787 * 0, if ramdisk image was found and valid, or skiped 788 * rd_start and rd_end are set to ramdisk start/end addresses if 789 * ramdisk image is found and valid 790 * 791 * 1, if ramdisk image is found but corrupted, or invalid 792 * rd_start and rd_end are set to 0 if no ramdisk exists 793 */ 794 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, 795 uint8_t arch, ulong *rd_start, ulong *rd_end) 796 { 797 ulong rd_addr, rd_load; 798 ulong rd_data, rd_len; 799 const image_header_t *rd_hdr; 800 #if defined(CONFIG_FIT) 801 void *fit_hdr; 802 const char *fit_uname_config = NULL; 803 const char *fit_uname_ramdisk = NULL; 804 ulong default_addr; 805 int rd_noffset; 806 int cfg_noffset; 807 const void *data; 808 size_t size; 809 #endif 810 811 *rd_start = 0; 812 *rd_end = 0; 813 814 /* 815 * Look for a '-' which indicates to ignore the 816 * ramdisk argument 817 */ 818 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 819 debug("## Skipping init Ramdisk\n"); 820 rd_len = rd_data = 0; 821 } else if (argc >= 3 || genimg_has_config(images)) { 822 #if defined(CONFIG_FIT) 823 if (argc >= 3) { 824 /* 825 * If the init ramdisk comes from the FIT image and 826 * the FIT image address is omitted in the command 827 * line argument, try to use os FIT image address or 828 * default load address. 829 */ 830 if (images->fit_uname_os) 831 default_addr = (ulong)images->fit_hdr_os; 832 else 833 default_addr = load_addr; 834 835 if (fit_parse_conf(argv[2], default_addr, 836 &rd_addr, &fit_uname_config)) { 837 debug("* ramdisk: config '%s' from image at " 838 "0x%08lx\n", 839 fit_uname_config, rd_addr); 840 } else if (fit_parse_subimage(argv[2], default_addr, 841 &rd_addr, &fit_uname_ramdisk)) { 842 debug("* ramdisk: subimage '%s' from image at " 843 "0x%08lx\n", 844 fit_uname_ramdisk, rd_addr); 845 } else 846 #endif 847 { 848 rd_addr = simple_strtoul(argv[2], NULL, 16); 849 debug("* ramdisk: cmdline image address = " 850 "0x%08lx\n", 851 rd_addr); 852 } 853 #if defined(CONFIG_FIT) 854 } else { 855 /* use FIT configuration provided in first bootm 856 * command argument 857 */ 858 rd_addr = (ulong)images->fit_hdr_os; 859 fit_uname_config = images->fit_uname_cfg; 860 debug("* ramdisk: using config '%s' from image " 861 "at 0x%08lx\n", 862 fit_uname_config, rd_addr); 863 864 /* 865 * Check whether configuration has ramdisk defined, 866 * if not, don't try to use it, quit silently. 867 */ 868 fit_hdr = (void *)rd_addr; 869 cfg_noffset = fit_conf_get_node(fit_hdr, 870 fit_uname_config); 871 if (cfg_noffset < 0) { 872 debug("* ramdisk: no such config\n"); 873 return 1; 874 } 875 876 rd_noffset = fit_conf_get_ramdisk_node(fit_hdr, 877 cfg_noffset); 878 if (rd_noffset < 0) { 879 debug("* ramdisk: no ramdisk in config\n"); 880 return 0; 881 } 882 } 883 #endif 884 885 /* copy from dataflash if needed */ 886 rd_addr = genimg_get_image(rd_addr); 887 888 /* 889 * Check if there is an initrd image at the 890 * address provided in the second bootm argument 891 * check image type, for FIT images get FIT node. 892 */ 893 switch (genimg_get_format((void *)rd_addr)) { 894 case IMAGE_FORMAT_LEGACY: 895 printf("## Loading init Ramdisk from Legacy " 896 "Image at %08lx ...\n", rd_addr); 897 898 show_boot_progress(9); 899 rd_hdr = image_get_ramdisk(rd_addr, arch, 900 images->verify); 901 902 if (rd_hdr == NULL) 903 return 1; 904 905 rd_data = image_get_data(rd_hdr); 906 rd_len = image_get_data_size(rd_hdr); 907 rd_load = image_get_load(rd_hdr); 908 break; 909 #if defined(CONFIG_FIT) 910 case IMAGE_FORMAT_FIT: 911 fit_hdr = (void *)rd_addr; 912 printf("## Loading init Ramdisk from FIT " 913 "Image at %08lx ...\n", rd_addr); 914 915 show_boot_progress(120); 916 if (!fit_check_format(fit_hdr)) { 917 puts("Bad FIT ramdisk image format!\n"); 918 show_boot_progress(-120); 919 return 1; 920 } 921 show_boot_progress(121); 922 923 if (!fit_uname_ramdisk) { 924 /* 925 * no ramdisk image node unit name, try to get config 926 * node first. If config unit node name is NULL 927 * fit_conf_get_node() will try to find default config node 928 */ 929 show_boot_progress(122); 930 cfg_noffset = fit_conf_get_node(fit_hdr, 931 fit_uname_config); 932 if (cfg_noffset < 0) { 933 puts("Could not find configuration " 934 "node\n"); 935 show_boot_progress(-122); 936 return 1; 937 } 938 fit_uname_config = fdt_get_name(fit_hdr, 939 cfg_noffset, NULL); 940 printf(" Using '%s' configuration\n", 941 fit_uname_config); 942 943 rd_noffset = fit_conf_get_ramdisk_node(fit_hdr, 944 cfg_noffset); 945 fit_uname_ramdisk = fit_get_name(fit_hdr, 946 rd_noffset, NULL); 947 } else { 948 /* get ramdisk component image node offset */ 949 show_boot_progress(123); 950 rd_noffset = fit_image_get_node(fit_hdr, 951 fit_uname_ramdisk); 952 } 953 if (rd_noffset < 0) { 954 puts("Could not find subimage node\n"); 955 show_boot_progress(-124); 956 return 1; 957 } 958 959 printf(" Trying '%s' ramdisk subimage\n", 960 fit_uname_ramdisk); 961 962 show_boot_progress(125); 963 if (!fit_check_ramdisk(fit_hdr, rd_noffset, arch, 964 images->verify)) 965 return 1; 966 967 /* get ramdisk image data address and length */ 968 if (fit_image_get_data(fit_hdr, rd_noffset, &data, 969 &size)) { 970 puts("Could not find ramdisk subimage data!\n"); 971 show_boot_progress(-127); 972 return 1; 973 } 974 show_boot_progress(128); 975 976 rd_data = (ulong)data; 977 rd_len = size; 978 979 if (fit_image_get_load(fit_hdr, rd_noffset, &rd_load)) { 980 puts("Can't get ramdisk subimage load " 981 "address!\n"); 982 show_boot_progress(-129); 983 return 1; 984 } 985 show_boot_progress(129); 986 987 images->fit_hdr_rd = fit_hdr; 988 images->fit_uname_rd = fit_uname_ramdisk; 989 images->fit_noffset_rd = rd_noffset; 990 break; 991 #endif 992 default: 993 puts("Wrong Ramdisk Image Format\n"); 994 rd_data = rd_len = rd_load = 0; 995 return 1; 996 } 997 } else if (images->legacy_hdr_valid && 998 image_check_type(&images->legacy_hdr_os_copy, 999 IH_TYPE_MULTI)) { 1000 1001 /* 1002 * Now check if we have a legacy mult-component image, 1003 * get second entry data start address and len. 1004 */ 1005 show_boot_progress(13); 1006 printf("## Loading init Ramdisk from multi component " 1007 "Legacy Image at %08lx ...\n", 1008 (ulong)images->legacy_hdr_os); 1009 1010 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len); 1011 } else { 1012 /* 1013 * no initrd image 1014 */ 1015 show_boot_progress(14); 1016 rd_len = rd_data = 0; 1017 } 1018 1019 if (!rd_data) { 1020 debug("## No init Ramdisk\n"); 1021 } else { 1022 *rd_start = rd_data; 1023 *rd_end = rd_data + rd_len; 1024 } 1025 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 1026 *rd_start, *rd_end); 1027 1028 return 0; 1029 } 1030 1031 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH 1032 /** 1033 * boot_ramdisk_high - relocate init ramdisk 1034 * @lmb: pointer to lmb handle, will be used for memory mgmt 1035 * @rd_data: ramdisk data start address 1036 * @rd_len: ramdisk data length 1037 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 1038 * start address (after possible relocation) 1039 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 1040 * end address (after possible relocation) 1041 * 1042 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 1043 * variable and if requested ramdisk data is moved to a specified location. 1044 * 1045 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 1046 * start/end addresses if ramdisk image start and len were provided, 1047 * otherwise set initrd_start and initrd_end set to zeros. 1048 * 1049 * returns: 1050 * 0 - success 1051 * -1 - failure 1052 */ 1053 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, 1054 ulong *initrd_start, ulong *initrd_end) 1055 { 1056 char *s; 1057 ulong initrd_high; 1058 int initrd_copy_to_ram = 1; 1059 1060 if ((s = getenv("initrd_high")) != NULL) { 1061 /* a value of "no" or a similar string will act like 0, 1062 * turning the "load high" feature off. This is intentional. 1063 */ 1064 initrd_high = simple_strtoul(s, NULL, 16); 1065 if (initrd_high == ~0) 1066 initrd_copy_to_ram = 0; 1067 } else { 1068 /* not set, no restrictions to load high */ 1069 initrd_high = ~0; 1070 } 1071 1072 1073 #ifdef CONFIG_LOGBUFFER 1074 /* Prevent initrd from overwriting logbuffer */ 1075 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1076 #endif 1077 1078 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1079 initrd_high, initrd_copy_to_ram); 1080 1081 if (rd_data) { 1082 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1083 debug(" in-place initrd\n"); 1084 *initrd_start = rd_data; 1085 *initrd_end = rd_data + rd_len; 1086 lmb_reserve(lmb, rd_data, rd_len); 1087 } else { 1088 if (initrd_high) 1089 *initrd_start = (ulong)lmb_alloc_base(lmb, 1090 rd_len, 0x1000, initrd_high); 1091 else 1092 *initrd_start = (ulong)lmb_alloc(lmb, rd_len, 1093 0x1000); 1094 1095 if (*initrd_start == 0) { 1096 puts("ramdisk - allocation error\n"); 1097 goto error; 1098 } 1099 show_boot_progress(12); 1100 1101 *initrd_end = *initrd_start + rd_len; 1102 printf(" Loading Ramdisk to %08lx, end %08lx ... ", 1103 *initrd_start, *initrd_end); 1104 1105 memmove_wd((void *)*initrd_start, 1106 (void *)rd_data, rd_len, CHUNKSZ); 1107 1108 #ifdef CONFIG_MP 1109 /* 1110 * Ensure the image is flushed to memory to handle 1111 * AMP boot scenarios in which we might not be 1112 * HW cache coherent 1113 */ 1114 flush_cache((unsigned long)*initrd_start, rd_len); 1115 #endif 1116 puts("OK\n"); 1117 } 1118 } else { 1119 *initrd_start = 0; 1120 *initrd_end = 0; 1121 } 1122 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1123 *initrd_start, *initrd_end); 1124 1125 return 0; 1126 1127 error: 1128 return -1; 1129 } 1130 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */ 1131 1132 #ifdef CONFIG_OF_LIBFDT 1133 static void fdt_error(const char *msg) 1134 { 1135 puts("ERROR: "); 1136 puts(msg); 1137 puts(" - must RESET the board to recover.\n"); 1138 } 1139 1140 static const image_header_t *image_get_fdt(ulong fdt_addr) 1141 { 1142 const image_header_t *fdt_hdr = (const image_header_t *)fdt_addr; 1143 1144 image_print_contents(fdt_hdr); 1145 1146 puts(" Verifying Checksum ... "); 1147 if (!image_check_hcrc(fdt_hdr)) { 1148 fdt_error("fdt header checksum invalid"); 1149 return NULL; 1150 } 1151 1152 if (!image_check_dcrc(fdt_hdr)) { 1153 fdt_error("fdt checksum invalid"); 1154 return NULL; 1155 } 1156 puts("OK\n"); 1157 1158 if (!image_check_type(fdt_hdr, IH_TYPE_FLATDT)) { 1159 fdt_error("uImage is not a fdt"); 1160 return NULL; 1161 } 1162 if (image_get_comp(fdt_hdr) != IH_COMP_NONE) { 1163 fdt_error("uImage is compressed"); 1164 return NULL; 1165 } 1166 if (fdt_check_header((char *)image_get_data(fdt_hdr)) != 0) { 1167 fdt_error("uImage data is not a fdt"); 1168 return NULL; 1169 } 1170 return fdt_hdr; 1171 } 1172 1173 /** 1174 * fit_check_fdt - verify FIT format FDT subimage 1175 * @fit_hdr: pointer to the FIT header 1176 * fdt_noffset: FDT subimage node offset within FIT image 1177 * @verify: data CRC verification flag 1178 * 1179 * fit_check_fdt() verifies integrity of the FDT subimage and from 1180 * specified FIT image. 1181 * 1182 * returns: 1183 * 1, on success 1184 * 0, on failure 1185 */ 1186 #if defined(CONFIG_FIT) 1187 static int fit_check_fdt(const void *fit, int fdt_noffset, int verify) 1188 { 1189 fit_image_print(fit, fdt_noffset, " "); 1190 1191 if (verify) { 1192 puts(" Verifying Hash Integrity ... "); 1193 if (!fit_image_check_hashes(fit, fdt_noffset)) { 1194 fdt_error("Bad Data Hash"); 1195 return 0; 1196 } 1197 puts("OK\n"); 1198 } 1199 1200 if (!fit_image_check_type(fit, fdt_noffset, IH_TYPE_FLATDT)) { 1201 fdt_error("Not a FDT image"); 1202 return 0; 1203 } 1204 1205 if (!fit_image_check_comp(fit, fdt_noffset, IH_COMP_NONE)) { 1206 fdt_error("FDT image is compressed"); 1207 return 0; 1208 } 1209 1210 return 1; 1211 } 1212 #endif /* CONFIG_FIT */ 1213 1214 #ifndef CONFIG_SYS_FDT_PAD 1215 #define CONFIG_SYS_FDT_PAD 0x3000 1216 #endif 1217 1218 #if defined(CONFIG_OF_LIBFDT) 1219 /** 1220 * boot_fdt_add_mem_rsv_regions - Mark the memreserve sections as unusable 1221 * @lmb: pointer to lmb handle, will be used for memory mgmt 1222 * @fdt_blob: pointer to fdt blob base address 1223 * 1224 * Adds the memreserve regions in the dtb to the lmb block. Adding the 1225 * memreserve regions prevents u-boot from using them to store the initrd 1226 * or the fdt blob. 1227 */ 1228 void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob) 1229 { 1230 uint64_t addr, size; 1231 int i, total; 1232 1233 if (fdt_check_header(fdt_blob) != 0) 1234 return; 1235 1236 total = fdt_num_mem_rsv(fdt_blob); 1237 for (i = 0; i < total; i++) { 1238 if (fdt_get_mem_rsv(fdt_blob, i, &addr, &size) != 0) 1239 continue; 1240 printf(" reserving fdt memory region: addr=%llx size=%llx\n", 1241 (unsigned long long)addr, (unsigned long long)size); 1242 lmb_reserve(lmb, addr, size); 1243 } 1244 } 1245 1246 /** 1247 * boot_relocate_fdt - relocate flat device tree 1248 * @lmb: pointer to lmb handle, will be used for memory mgmt 1249 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1250 * @of_size: pointer to a ulong variable, will hold fdt length 1251 * 1252 * boot_relocate_fdt() allocates a region of memory within the bootmap and 1253 * relocates the of_flat_tree into that region, even if the fdt is already in 1254 * the bootmap. It also expands the size of the fdt by CONFIG_SYS_FDT_PAD 1255 * bytes. 1256 * 1257 * of_flat_tree and of_size are set to final (after relocation) values 1258 * 1259 * returns: 1260 * 0 - success 1261 * 1 - failure 1262 */ 1263 int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size) 1264 { 1265 void *fdt_blob = *of_flat_tree; 1266 void *of_start = 0; 1267 char *fdt_high; 1268 ulong of_len = 0; 1269 int err; 1270 int disable_relocation = 0; 1271 1272 /* nothing to do */ 1273 if (*of_size == 0) 1274 return 0; 1275 1276 if (fdt_check_header(fdt_blob) != 0) { 1277 fdt_error("image is not a fdt"); 1278 goto error; 1279 } 1280 1281 /* position on a 4K boundary before the alloc_current */ 1282 /* Pad the FDT by a specified amount */ 1283 of_len = *of_size + CONFIG_SYS_FDT_PAD; 1284 1285 /* If fdt_high is set use it to select the relocation address */ 1286 fdt_high = getenv("fdt_high"); 1287 if (fdt_high) { 1288 void *desired_addr = (void *)simple_strtoul(fdt_high, NULL, 16); 1289 1290 if (((ulong) desired_addr) == ~0UL) { 1291 /* All ones means use fdt in place */ 1292 of_start = fdt_blob; 1293 lmb_reserve(lmb, (ulong)of_start, of_len); 1294 disable_relocation = 1; 1295 } else if (desired_addr) { 1296 of_start = 1297 (void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000, 1298 (ulong)desired_addr); 1299 if (of_start == 0) { 1300 puts("Failed using fdt_high value for Device Tree"); 1301 goto error; 1302 } 1303 } else { 1304 of_start = 1305 (void *)(ulong) lmb_alloc(lmb, of_len, 0x1000); 1306 } 1307 } else { 1308 of_start = 1309 (void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000, 1310 getenv_bootm_mapsize() 1311 + getenv_bootm_low()); 1312 } 1313 1314 if (of_start == 0) { 1315 puts("device tree - allocation error\n"); 1316 goto error; 1317 } 1318 1319 if (disable_relocation) { 1320 /* We assume there is space after the existing fdt to use for padding */ 1321 fdt_set_totalsize(of_start, of_len); 1322 printf(" Using Device Tree in place at %p, end %p\n", 1323 of_start, of_start + of_len - 1); 1324 } else { 1325 debug("## device tree at %p ... %p (len=%ld [0x%lX])\n", 1326 fdt_blob, fdt_blob + *of_size - 1, of_len, of_len); 1327 1328 printf(" Loading Device Tree to %p, end %p ... ", 1329 of_start, of_start + of_len - 1); 1330 1331 err = fdt_open_into(fdt_blob, of_start, of_len); 1332 if (err != 0) { 1333 fdt_error("fdt move failed"); 1334 goto error; 1335 } 1336 puts("OK\n"); 1337 } 1338 1339 *of_flat_tree = of_start; 1340 *of_size = of_len; 1341 1342 set_working_fdt_addr(*of_flat_tree); 1343 return 0; 1344 1345 error: 1346 return 1; 1347 } 1348 #endif /* CONFIG_OF_LIBFDT */ 1349 1350 /** 1351 * boot_get_fdt - main fdt handling routine 1352 * @argc: command argument count 1353 * @argv: command argument list 1354 * @images: pointer to the bootm images structure 1355 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1356 * @of_size: pointer to a ulong variable, will hold fdt length 1357 * 1358 * boot_get_fdt() is responsible for finding a valid flat device tree image. 1359 * Curently supported are the following ramdisk sources: 1360 * - multicomponent kernel/ramdisk image, 1361 * - commandline provided address of decicated ramdisk image. 1362 * 1363 * returns: 1364 * 0, if fdt image was found and valid, or skipped 1365 * of_flat_tree and of_size are set to fdt start address and length if 1366 * fdt image is found and valid 1367 * 1368 * 1, if fdt image is found but corrupted 1369 * of_flat_tree and of_size are set to 0 if no fdt exists 1370 */ 1371 int boot_get_fdt(int flag, int argc, char * const argv[], 1372 bootm_headers_t *images, char **of_flat_tree, ulong *of_size) 1373 { 1374 const image_header_t *fdt_hdr; 1375 ulong fdt_addr; 1376 char *fdt_blob = NULL; 1377 ulong image_start, image_end; 1378 ulong load_start, load_end; 1379 #if defined(CONFIG_FIT) 1380 void *fit_hdr; 1381 const char *fit_uname_config = NULL; 1382 const char *fit_uname_fdt = NULL; 1383 ulong default_addr; 1384 int cfg_noffset; 1385 int fdt_noffset; 1386 const void *data; 1387 size_t size; 1388 #endif 1389 1390 *of_flat_tree = NULL; 1391 *of_size = 0; 1392 1393 if (argc > 3 || genimg_has_config(images)) { 1394 #if defined(CONFIG_FIT) 1395 if (argc > 3) { 1396 /* 1397 * If the FDT blob comes from the FIT image and the 1398 * FIT image address is omitted in the command line 1399 * argument, try to use ramdisk or os FIT image 1400 * address or default load address. 1401 */ 1402 if (images->fit_uname_rd) 1403 default_addr = (ulong)images->fit_hdr_rd; 1404 else if (images->fit_uname_os) 1405 default_addr = (ulong)images->fit_hdr_os; 1406 else 1407 default_addr = load_addr; 1408 1409 if (fit_parse_conf(argv[3], default_addr, 1410 &fdt_addr, &fit_uname_config)) { 1411 debug("* fdt: config '%s' from image at " 1412 "0x%08lx\n", 1413 fit_uname_config, fdt_addr); 1414 } else if (fit_parse_subimage(argv[3], default_addr, 1415 &fdt_addr, &fit_uname_fdt)) { 1416 debug("* fdt: subimage '%s' from image at " 1417 "0x%08lx\n", 1418 fit_uname_fdt, fdt_addr); 1419 } else 1420 #endif 1421 { 1422 fdt_addr = simple_strtoul(argv[3], NULL, 16); 1423 debug("* fdt: cmdline image address = " 1424 "0x%08lx\n", 1425 fdt_addr); 1426 } 1427 #if defined(CONFIG_FIT) 1428 } else { 1429 /* use FIT configuration provided in first bootm 1430 * command argument 1431 */ 1432 fdt_addr = (ulong)images->fit_hdr_os; 1433 fit_uname_config = images->fit_uname_cfg; 1434 debug("* fdt: using config '%s' from image " 1435 "at 0x%08lx\n", 1436 fit_uname_config, fdt_addr); 1437 1438 /* 1439 * Check whether configuration has FDT blob defined, 1440 * if not quit silently. 1441 */ 1442 fit_hdr = (void *)fdt_addr; 1443 cfg_noffset = fit_conf_get_node(fit_hdr, 1444 fit_uname_config); 1445 if (cfg_noffset < 0) { 1446 debug("* fdt: no such config\n"); 1447 return 0; 1448 } 1449 1450 fdt_noffset = fit_conf_get_fdt_node(fit_hdr, 1451 cfg_noffset); 1452 if (fdt_noffset < 0) { 1453 debug("* fdt: no fdt in config\n"); 1454 return 0; 1455 } 1456 } 1457 #endif 1458 1459 debug("## Checking for 'FDT'/'FDT Image' at %08lx\n", 1460 fdt_addr); 1461 1462 /* copy from dataflash if needed */ 1463 fdt_addr = genimg_get_image(fdt_addr); 1464 1465 /* 1466 * Check if there is an FDT image at the 1467 * address provided in the second bootm argument 1468 * check image type, for FIT images get a FIT node. 1469 */ 1470 switch (genimg_get_format((void *)fdt_addr)) { 1471 case IMAGE_FORMAT_LEGACY: 1472 /* verify fdt_addr points to a valid image header */ 1473 printf("## Flattened Device Tree from Legacy Image " 1474 "at %08lx\n", 1475 fdt_addr); 1476 fdt_hdr = image_get_fdt(fdt_addr); 1477 if (!fdt_hdr) 1478 goto error; 1479 1480 /* 1481 * move image data to the load address, 1482 * make sure we don't overwrite initial image 1483 */ 1484 image_start = (ulong)fdt_hdr; 1485 image_end = image_get_image_end(fdt_hdr); 1486 1487 load_start = image_get_load(fdt_hdr); 1488 load_end = load_start + image_get_data_size(fdt_hdr); 1489 1490 if ((load_start < image_end) && (load_end > image_start)) { 1491 fdt_error("fdt overwritten"); 1492 goto error; 1493 } 1494 1495 debug(" Loading FDT from 0x%08lx to 0x%08lx\n", 1496 image_get_data(fdt_hdr), load_start); 1497 1498 memmove((void *)load_start, 1499 (void *)image_get_data(fdt_hdr), 1500 image_get_data_size(fdt_hdr)); 1501 1502 fdt_blob = (char *)load_start; 1503 break; 1504 case IMAGE_FORMAT_FIT: 1505 /* 1506 * This case will catch both: new uImage format 1507 * (libfdt based) and raw FDT blob (also libfdt 1508 * based). 1509 */ 1510 #if defined(CONFIG_FIT) 1511 /* check FDT blob vs FIT blob */ 1512 if (fit_check_format((const void *)fdt_addr)) { 1513 /* 1514 * FIT image 1515 */ 1516 fit_hdr = (void *)fdt_addr; 1517 printf("## Flattened Device Tree from FIT " 1518 "Image at %08lx\n", 1519 fdt_addr); 1520 1521 if (!fit_uname_fdt) { 1522 /* 1523 * no FDT blob image node unit name, 1524 * try to get config node first. If 1525 * config unit node name is NULL 1526 * fit_conf_get_node() will try to 1527 * find default config node 1528 */ 1529 cfg_noffset = fit_conf_get_node(fit_hdr, 1530 fit_uname_config); 1531 1532 if (cfg_noffset < 0) { 1533 fdt_error("Could not find " 1534 "configuration " 1535 "node\n"); 1536 goto error; 1537 } 1538 1539 fit_uname_config = fdt_get_name(fit_hdr, 1540 cfg_noffset, NULL); 1541 printf(" Using '%s' configuration\n", 1542 fit_uname_config); 1543 1544 fdt_noffset = fit_conf_get_fdt_node( 1545 fit_hdr, 1546 cfg_noffset); 1547 fit_uname_fdt = fit_get_name(fit_hdr, 1548 fdt_noffset, NULL); 1549 } else { 1550 /* get FDT component image node offset */ 1551 fdt_noffset = fit_image_get_node( 1552 fit_hdr, 1553 fit_uname_fdt); 1554 } 1555 if (fdt_noffset < 0) { 1556 fdt_error("Could not find subimage " 1557 "node\n"); 1558 goto error; 1559 } 1560 1561 printf(" Trying '%s' FDT blob subimage\n", 1562 fit_uname_fdt); 1563 1564 if (!fit_check_fdt(fit_hdr, fdt_noffset, 1565 images->verify)) 1566 goto error; 1567 1568 /* get ramdisk image data address and length */ 1569 if (fit_image_get_data(fit_hdr, fdt_noffset, 1570 &data, &size)) { 1571 fdt_error("Could not find FDT " 1572 "subimage data"); 1573 goto error; 1574 } 1575 1576 /* verift that image data is a proper FDT blob */ 1577 if (fdt_check_header((char *)data) != 0) { 1578 fdt_error("Subimage data is not a FTD"); 1579 goto error; 1580 } 1581 1582 /* 1583 * move image data to the load address, 1584 * make sure we don't overwrite initial image 1585 */ 1586 image_start = (ulong)fit_hdr; 1587 image_end = fit_get_end(fit_hdr); 1588 1589 if (fit_image_get_load(fit_hdr, fdt_noffset, 1590 &load_start) == 0) { 1591 load_end = load_start + size; 1592 1593 if ((load_start < image_end) && 1594 (load_end > image_start)) { 1595 fdt_error("FDT overwritten"); 1596 goto error; 1597 } 1598 1599 printf(" Loading FDT from 0x%08lx " 1600 "to 0x%08lx\n", 1601 (ulong)data, 1602 load_start); 1603 1604 memmove((void *)load_start, 1605 (void *)data, size); 1606 1607 fdt_blob = (char *)load_start; 1608 } else { 1609 fdt_blob = (char *)data; 1610 } 1611 1612 images->fit_hdr_fdt = fit_hdr; 1613 images->fit_uname_fdt = fit_uname_fdt; 1614 images->fit_noffset_fdt = fdt_noffset; 1615 break; 1616 } else 1617 #endif 1618 { 1619 /* 1620 * FDT blob 1621 */ 1622 fdt_blob = (char *)fdt_addr; 1623 debug("* fdt: raw FDT blob\n"); 1624 printf("## Flattened Device Tree blob at " 1625 "%08lx\n", (long)fdt_blob); 1626 } 1627 break; 1628 default: 1629 puts("ERROR: Did not find a cmdline Flattened Device " 1630 "Tree\n"); 1631 goto error; 1632 } 1633 1634 printf(" Booting using the fdt blob at 0x%p\n", fdt_blob); 1635 1636 } else if (images->legacy_hdr_valid && 1637 image_check_type(&images->legacy_hdr_os_copy, 1638 IH_TYPE_MULTI)) { 1639 1640 ulong fdt_data, fdt_len; 1641 1642 /* 1643 * Now check if we have a legacy multi-component image, 1644 * get second entry data start address and len. 1645 */ 1646 printf("## Flattened Device Tree from multi " 1647 "component Image at %08lX\n", 1648 (ulong)images->legacy_hdr_os); 1649 1650 image_multi_getimg(images->legacy_hdr_os, 2, &fdt_data, 1651 &fdt_len); 1652 if (fdt_len) { 1653 1654 fdt_blob = (char *)fdt_data; 1655 printf(" Booting using the fdt at 0x%p\n", fdt_blob); 1656 1657 if (fdt_check_header(fdt_blob) != 0) { 1658 fdt_error("image is not a fdt"); 1659 goto error; 1660 } 1661 1662 if (fdt_totalsize(fdt_blob) != fdt_len) { 1663 fdt_error("fdt size != image size"); 1664 goto error; 1665 } 1666 } else { 1667 debug("## No Flattened Device Tree\n"); 1668 return 0; 1669 } 1670 } else { 1671 debug("## No Flattened Device Tree\n"); 1672 return 0; 1673 } 1674 1675 *of_flat_tree = fdt_blob; 1676 *of_size = fdt_totalsize(fdt_blob); 1677 debug(" of_flat_tree at 0x%08lx size 0x%08lx\n", 1678 (ulong)*of_flat_tree, *of_size); 1679 1680 return 0; 1681 1682 error: 1683 *of_flat_tree = 0; 1684 *of_size = 0; 1685 return 1; 1686 } 1687 #endif /* CONFIG_OF_LIBFDT */ 1688 1689 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE 1690 /** 1691 * boot_get_cmdline - allocate and initialize kernel cmdline 1692 * @lmb: pointer to lmb handle, will be used for memory mgmt 1693 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1694 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1695 * 1696 * boot_get_cmdline() allocates space for kernel command line below 1697 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt 1698 * variable is present its contents is copied to allocated kernel 1699 * command line. 1700 * 1701 * returns: 1702 * 0 - success 1703 * -1 - failure 1704 */ 1705 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end) 1706 { 1707 char *cmdline; 1708 char *s; 1709 1710 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1711 getenv_bootm_mapsize() + getenv_bootm_low()); 1712 1713 if (cmdline == NULL) 1714 return -1; 1715 1716 if ((s = getenv("bootargs")) == NULL) 1717 s = ""; 1718 1719 strcpy(cmdline, s); 1720 1721 *cmd_start = (ulong) & cmdline[0]; 1722 *cmd_end = *cmd_start + strlen(cmdline); 1723 1724 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1725 1726 return 0; 1727 } 1728 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */ 1729 1730 #ifdef CONFIG_SYS_BOOT_GET_KBD 1731 /** 1732 * boot_get_kbd - allocate and initialize kernel copy of board info 1733 * @lmb: pointer to lmb handle, will be used for memory mgmt 1734 * @kbd: double pointer to board info data 1735 * 1736 * boot_get_kbd() allocates space for kernel copy of board info data below 1737 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized 1738 * with the current u-boot board info data. 1739 * 1740 * returns: 1741 * 0 - success 1742 * -1 - failure 1743 */ 1744 int boot_get_kbd(struct lmb *lmb, bd_t **kbd) 1745 { 1746 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1747 getenv_bootm_mapsize() + getenv_bootm_low()); 1748 if (*kbd == NULL) 1749 return -1; 1750 1751 **kbd = *(gd->bd); 1752 1753 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1754 1755 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1756 do_bdinfo(NULL, 0, 0, NULL); 1757 #endif 1758 1759 return 0; 1760 } 1761 #endif /* CONFIG_SYS_BOOT_GET_KBD */ 1762 #endif /* !USE_HOSTCC */ 1763 1764 #if defined(CONFIG_FIT) 1765 /*****************************************************************************/ 1766 /* New uImage format routines */ 1767 /*****************************************************************************/ 1768 #ifndef USE_HOSTCC 1769 static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr, 1770 ulong *addr, const char **name) 1771 { 1772 const char *sep; 1773 1774 *addr = addr_curr; 1775 *name = NULL; 1776 1777 sep = strchr(spec, sepc); 1778 if (sep) { 1779 if (sep - spec > 0) 1780 *addr = simple_strtoul(spec, NULL, 16); 1781 1782 *name = sep + 1; 1783 return 1; 1784 } 1785 1786 return 0; 1787 } 1788 1789 /** 1790 * fit_parse_conf - parse FIT configuration spec 1791 * @spec: input string, containing configuration spec 1792 * @add_curr: current image address (to be used as a possible default) 1793 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1794 * configuration 1795 * @conf_name double pointer to a char, will hold pointer to a configuration 1796 * unit name 1797 * 1798 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1799 * where <addr> is a FIT image address that contains configuration 1800 * with a <conf> unit name. 1801 * 1802 * Address part is optional, and if omitted default add_curr will 1803 * be used instead. 1804 * 1805 * returns: 1806 * 1 if spec is a valid configuration string, 1807 * addr and conf_name are set accordingly 1808 * 0 otherwise 1809 */ 1810 inline int fit_parse_conf(const char *spec, ulong addr_curr, 1811 ulong *addr, const char **conf_name) 1812 { 1813 return fit_parse_spec(spec, '#', addr_curr, addr, conf_name); 1814 } 1815 1816 /** 1817 * fit_parse_subimage - parse FIT subimage spec 1818 * @spec: input string, containing subimage spec 1819 * @add_curr: current image address (to be used as a possible default) 1820 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1821 * subimage 1822 * @image_name: double pointer to a char, will hold pointer to a subimage name 1823 * 1824 * fit_parse_subimage() expects subimage spec in the for of 1825 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1826 * subimage with a <subimg> unit name. 1827 * 1828 * Address part is optional, and if omitted default add_curr will 1829 * be used instead. 1830 * 1831 * returns: 1832 * 1 if spec is a valid subimage string, 1833 * addr and image_name are set accordingly 1834 * 0 otherwise 1835 */ 1836 inline int fit_parse_subimage(const char *spec, ulong addr_curr, 1837 ulong *addr, const char **image_name) 1838 { 1839 return fit_parse_spec(spec, ':', addr_curr, addr, image_name); 1840 } 1841 #endif /* !USE_HOSTCC */ 1842 1843 static void fit_get_debug(const void *fit, int noffset, 1844 char *prop_name, int err) 1845 { 1846 debug("Can't get '%s' property from FIT 0x%08lx, " 1847 "node: offset %d, name %s (%s)\n", 1848 prop_name, (ulong)fit, noffset, 1849 fit_get_name(fit, noffset, NULL), 1850 fdt_strerror(err)); 1851 } 1852 1853 /** 1854 * fit_print_contents - prints out the contents of the FIT format image 1855 * @fit: pointer to the FIT format image header 1856 * @p: pointer to prefix string 1857 * 1858 * fit_print_contents() formats a multi line FIT image contents description. 1859 * The routine prints out FIT image properties (root node level) follwed by 1860 * the details of each component image. 1861 * 1862 * returns: 1863 * no returned results 1864 */ 1865 void fit_print_contents(const void *fit) 1866 { 1867 char *desc; 1868 char *uname; 1869 int images_noffset; 1870 int confs_noffset; 1871 int noffset; 1872 int ndepth; 1873 int count = 0; 1874 int ret; 1875 const char *p; 1876 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1877 time_t timestamp; 1878 #endif 1879 1880 #ifdef USE_HOSTCC 1881 p = ""; 1882 #else 1883 p = " "; 1884 #endif 1885 1886 /* Root node properties */ 1887 ret = fit_get_desc(fit, 0, &desc); 1888 printf("%sFIT description: ", p); 1889 if (ret) 1890 printf("unavailable\n"); 1891 else 1892 printf("%s\n", desc); 1893 1894 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1895 ret = fit_get_timestamp(fit, 0, ×tamp); 1896 printf("%sCreated: ", p); 1897 if (ret) 1898 printf("unavailable\n"); 1899 else 1900 genimg_print_time(timestamp); 1901 #endif 1902 1903 /* Find images parent node offset */ 1904 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); 1905 if (images_noffset < 0) { 1906 printf("Can't find images parent node '%s' (%s)\n", 1907 FIT_IMAGES_PATH, fdt_strerror(images_noffset)); 1908 return; 1909 } 1910 1911 /* Process its subnodes, print out component images details */ 1912 for (ndepth = 0, count = 0, 1913 noffset = fdt_next_node(fit, images_noffset, &ndepth); 1914 (noffset >= 0) && (ndepth > 0); 1915 noffset = fdt_next_node(fit, noffset, &ndepth)) { 1916 if (ndepth == 1) { 1917 /* 1918 * Direct child node of the images parent node, 1919 * i.e. component image node. 1920 */ 1921 printf("%s Image %u (%s)\n", p, count++, 1922 fit_get_name(fit, noffset, NULL)); 1923 1924 fit_image_print(fit, noffset, p); 1925 } 1926 } 1927 1928 /* Find configurations parent node offset */ 1929 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); 1930 if (confs_noffset < 0) { 1931 debug("Can't get configurations parent node '%s' (%s)\n", 1932 FIT_CONFS_PATH, fdt_strerror(confs_noffset)); 1933 return; 1934 } 1935 1936 /* get default configuration unit name from default property */ 1937 uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL); 1938 if (uname) 1939 printf("%s Default Configuration: '%s'\n", p, uname); 1940 1941 /* Process its subnodes, print out configurations details */ 1942 for (ndepth = 0, count = 0, 1943 noffset = fdt_next_node(fit, confs_noffset, &ndepth); 1944 (noffset >= 0) && (ndepth > 0); 1945 noffset = fdt_next_node(fit, noffset, &ndepth)) { 1946 if (ndepth == 1) { 1947 /* 1948 * Direct child node of the configurations parent node, 1949 * i.e. configuration node. 1950 */ 1951 printf("%s Configuration %u (%s)\n", p, count++, 1952 fit_get_name(fit, noffset, NULL)); 1953 1954 fit_conf_print(fit, noffset, p); 1955 } 1956 } 1957 } 1958 1959 /** 1960 * fit_image_print - prints out the FIT component image details 1961 * @fit: pointer to the FIT format image header 1962 * @image_noffset: offset of the component image node 1963 * @p: pointer to prefix string 1964 * 1965 * fit_image_print() lists all mandatory properies for the processed component 1966 * image. If present, hash nodes are printed out as well. Load 1967 * address for images of type firmware is also printed out. Since the load 1968 * address is not mandatory for firmware images, it will be output as 1969 * "unavailable" when not present. 1970 * 1971 * returns: 1972 * no returned results 1973 */ 1974 void fit_image_print(const void *fit, int image_noffset, const char *p) 1975 { 1976 char *desc; 1977 uint8_t type, arch, os, comp; 1978 size_t size; 1979 ulong load, entry; 1980 const void *data; 1981 int noffset; 1982 int ndepth; 1983 int ret; 1984 1985 /* Mandatory properties */ 1986 ret = fit_get_desc(fit, image_noffset, &desc); 1987 printf("%s Description: ", p); 1988 if (ret) 1989 printf("unavailable\n"); 1990 else 1991 printf("%s\n", desc); 1992 1993 fit_image_get_type(fit, image_noffset, &type); 1994 printf("%s Type: %s\n", p, genimg_get_type_name(type)); 1995 1996 fit_image_get_comp(fit, image_noffset, &comp); 1997 printf("%s Compression: %s\n", p, genimg_get_comp_name(comp)); 1998 1999 ret = fit_image_get_data(fit, image_noffset, &data, &size); 2000 2001 #ifndef USE_HOSTCC 2002 printf("%s Data Start: ", p); 2003 if (ret) 2004 printf("unavailable\n"); 2005 else 2006 printf("0x%08lx\n", (ulong)data); 2007 #endif 2008 2009 printf("%s Data Size: ", p); 2010 if (ret) 2011 printf("unavailable\n"); 2012 else 2013 genimg_print_size(size); 2014 2015 /* Remaining, type dependent properties */ 2016 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 2017 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 2018 (type == IH_TYPE_FLATDT)) { 2019 fit_image_get_arch(fit, image_noffset, &arch); 2020 printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch)); 2021 } 2022 2023 if (type == IH_TYPE_KERNEL) { 2024 fit_image_get_os(fit, image_noffset, &os); 2025 printf("%s OS: %s\n", p, genimg_get_os_name(os)); 2026 } 2027 2028 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 2029 (type == IH_TYPE_FIRMWARE)) { 2030 ret = fit_image_get_load(fit, image_noffset, &load); 2031 printf("%s Load Address: ", p); 2032 if (ret) 2033 printf("unavailable\n"); 2034 else 2035 printf("0x%08lx\n", load); 2036 } 2037 2038 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 2039 fit_image_get_entry(fit, image_noffset, &entry); 2040 printf("%s Entry Point: ", p); 2041 if (ret) 2042 printf("unavailable\n"); 2043 else 2044 printf("0x%08lx\n", entry); 2045 } 2046 2047 /* Process all hash subnodes of the component image node */ 2048 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth); 2049 (noffset >= 0) && (ndepth > 0); 2050 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2051 if (ndepth == 1) { 2052 /* Direct child node of the component image node */ 2053 fit_image_print_hash(fit, noffset, p); 2054 } 2055 } 2056 } 2057 2058 /** 2059 * fit_image_print_hash - prints out the hash node details 2060 * @fit: pointer to the FIT format image header 2061 * @noffset: offset of the hash node 2062 * @p: pointer to prefix string 2063 * 2064 * fit_image_print_hash() lists properies for the processed hash node 2065 * 2066 * returns: 2067 * no returned results 2068 */ 2069 void fit_image_print_hash(const void *fit, int noffset, const char *p) 2070 { 2071 char *algo; 2072 uint8_t *value; 2073 int value_len; 2074 int i, ret; 2075 2076 /* 2077 * Check subnode name, must be equal to "hash". 2078 * Multiple hash nodes require unique unit node 2079 * names, e.g. hash@1, hash@2, etc. 2080 */ 2081 if (strncmp(fit_get_name(fit, noffset, NULL), 2082 FIT_HASH_NODENAME, 2083 strlen(FIT_HASH_NODENAME)) != 0) 2084 return; 2085 2086 debug("%s Hash node: '%s'\n", p, 2087 fit_get_name(fit, noffset, NULL)); 2088 2089 printf("%s Hash algo: ", p); 2090 if (fit_image_hash_get_algo(fit, noffset, &algo)) { 2091 printf("invalid/unsupported\n"); 2092 return; 2093 } 2094 printf("%s\n", algo); 2095 2096 ret = fit_image_hash_get_value(fit, noffset, &value, 2097 &value_len); 2098 printf("%s Hash value: ", p); 2099 if (ret) { 2100 printf("unavailable\n"); 2101 } else { 2102 for (i = 0; i < value_len; i++) 2103 printf("%02x", value[i]); 2104 printf("\n"); 2105 } 2106 2107 debug("%s Hash len: %d\n", p, value_len); 2108 } 2109 2110 /** 2111 * fit_get_desc - get node description property 2112 * @fit: pointer to the FIT format image header 2113 * @noffset: node offset 2114 * @desc: double pointer to the char, will hold pointer to the descrption 2115 * 2116 * fit_get_desc() reads description property from a given node, if 2117 * description is found pointer to it is returened in third call argument. 2118 * 2119 * returns: 2120 * 0, on success 2121 * -1, on failure 2122 */ 2123 int fit_get_desc(const void *fit, int noffset, char **desc) 2124 { 2125 int len; 2126 2127 *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len); 2128 if (*desc == NULL) { 2129 fit_get_debug(fit, noffset, FIT_DESC_PROP, len); 2130 return -1; 2131 } 2132 2133 return 0; 2134 } 2135 2136 /** 2137 * fit_get_timestamp - get node timestamp property 2138 * @fit: pointer to the FIT format image header 2139 * @noffset: node offset 2140 * @timestamp: pointer to the time_t, will hold read timestamp 2141 * 2142 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 2143 * is found and has a correct size its value is retured in third call 2144 * argument. 2145 * 2146 * returns: 2147 * 0, on success 2148 * -1, on property read failure 2149 * -2, on wrong timestamp size 2150 */ 2151 int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp) 2152 { 2153 int len; 2154 const void *data; 2155 2156 data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len); 2157 if (data == NULL) { 2158 fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len); 2159 return -1; 2160 } 2161 if (len != sizeof(uint32_t)) { 2162 debug("FIT timestamp with incorrect size of (%u)\n", len); 2163 return -2; 2164 } 2165 2166 *timestamp = uimage_to_cpu(*((uint32_t *)data)); 2167 return 0; 2168 } 2169 2170 /** 2171 * fit_image_get_node - get node offset for component image of a given unit name 2172 * @fit: pointer to the FIT format image header 2173 * @image_uname: component image node unit name 2174 * 2175 * fit_image_get_node() finds a component image (withing the '/images' 2176 * node) of a provided unit name. If image is found its node offset is 2177 * returned to the caller. 2178 * 2179 * returns: 2180 * image node offset when found (>=0) 2181 * negative number on failure (FDT_ERR_* code) 2182 */ 2183 int fit_image_get_node(const void *fit, const char *image_uname) 2184 { 2185 int noffset, images_noffset; 2186 2187 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); 2188 if (images_noffset < 0) { 2189 debug("Can't find images parent node '%s' (%s)\n", 2190 FIT_IMAGES_PATH, fdt_strerror(images_noffset)); 2191 return images_noffset; 2192 } 2193 2194 noffset = fdt_subnode_offset(fit, images_noffset, image_uname); 2195 if (noffset < 0) { 2196 debug("Can't get node offset for image unit name: '%s' (%s)\n", 2197 image_uname, fdt_strerror(noffset)); 2198 } 2199 2200 return noffset; 2201 } 2202 2203 /** 2204 * fit_image_get_os - get os id for a given component image node 2205 * @fit: pointer to the FIT format image header 2206 * @noffset: component image node offset 2207 * @os: pointer to the uint8_t, will hold os numeric id 2208 * 2209 * fit_image_get_os() finds os property in a given component image node. 2210 * If the property is found, its (string) value is translated to the numeric 2211 * id which is returned to the caller. 2212 * 2213 * returns: 2214 * 0, on success 2215 * -1, on failure 2216 */ 2217 int fit_image_get_os(const void *fit, int noffset, uint8_t *os) 2218 { 2219 int len; 2220 const void *data; 2221 2222 /* Get OS name from property data */ 2223 data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len); 2224 if (data == NULL) { 2225 fit_get_debug(fit, noffset, FIT_OS_PROP, len); 2226 *os = -1; 2227 return -1; 2228 } 2229 2230 /* Translate OS name to id */ 2231 *os = genimg_get_os_id(data); 2232 return 0; 2233 } 2234 2235 /** 2236 * fit_image_get_arch - get arch id for a given component image node 2237 * @fit: pointer to the FIT format image header 2238 * @noffset: component image node offset 2239 * @arch: pointer to the uint8_t, will hold arch numeric id 2240 * 2241 * fit_image_get_arch() finds arch property in a given component image node. 2242 * If the property is found, its (string) value is translated to the numeric 2243 * id which is returned to the caller. 2244 * 2245 * returns: 2246 * 0, on success 2247 * -1, on failure 2248 */ 2249 int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch) 2250 { 2251 int len; 2252 const void *data; 2253 2254 /* Get architecture name from property data */ 2255 data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len); 2256 if (data == NULL) { 2257 fit_get_debug(fit, noffset, FIT_ARCH_PROP, len); 2258 *arch = -1; 2259 return -1; 2260 } 2261 2262 /* Translate architecture name to id */ 2263 *arch = genimg_get_arch_id(data); 2264 return 0; 2265 } 2266 2267 /** 2268 * fit_image_get_type - get type id for a given component image node 2269 * @fit: pointer to the FIT format image header 2270 * @noffset: component image node offset 2271 * @type: pointer to the uint8_t, will hold type numeric id 2272 * 2273 * fit_image_get_type() finds type property in a given component image node. 2274 * If the property is found, its (string) value is translated to the numeric 2275 * id which is returned to the caller. 2276 * 2277 * returns: 2278 * 0, on success 2279 * -1, on failure 2280 */ 2281 int fit_image_get_type(const void *fit, int noffset, uint8_t *type) 2282 { 2283 int len; 2284 const void *data; 2285 2286 /* Get image type name from property data */ 2287 data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len); 2288 if (data == NULL) { 2289 fit_get_debug(fit, noffset, FIT_TYPE_PROP, len); 2290 *type = -1; 2291 return -1; 2292 } 2293 2294 /* Translate image type name to id */ 2295 *type = genimg_get_type_id(data); 2296 return 0; 2297 } 2298 2299 /** 2300 * fit_image_get_comp - get comp id for a given component image node 2301 * @fit: pointer to the FIT format image header 2302 * @noffset: component image node offset 2303 * @comp: pointer to the uint8_t, will hold comp numeric id 2304 * 2305 * fit_image_get_comp() finds comp property in a given component image node. 2306 * If the property is found, its (string) value is translated to the numeric 2307 * id which is returned to the caller. 2308 * 2309 * returns: 2310 * 0, on success 2311 * -1, on failure 2312 */ 2313 int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp) 2314 { 2315 int len; 2316 const void *data; 2317 2318 /* Get compression name from property data */ 2319 data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len); 2320 if (data == NULL) { 2321 fit_get_debug(fit, noffset, FIT_COMP_PROP, len); 2322 *comp = -1; 2323 return -1; 2324 } 2325 2326 /* Translate compression name to id */ 2327 *comp = genimg_get_comp_id(data); 2328 return 0; 2329 } 2330 2331 /** 2332 * fit_image_get_load - get load address property for a given component image node 2333 * @fit: pointer to the FIT format image header 2334 * @noffset: component image node offset 2335 * @load: pointer to the uint32_t, will hold load address 2336 * 2337 * fit_image_get_load() finds load address property in a given component image node. 2338 * If the property is found, its value is returned to the caller. 2339 * 2340 * returns: 2341 * 0, on success 2342 * -1, on failure 2343 */ 2344 int fit_image_get_load(const void *fit, int noffset, ulong *load) 2345 { 2346 int len; 2347 const uint32_t *data; 2348 2349 data = fdt_getprop(fit, noffset, FIT_LOAD_PROP, &len); 2350 if (data == NULL) { 2351 fit_get_debug(fit, noffset, FIT_LOAD_PROP, len); 2352 return -1; 2353 } 2354 2355 *load = uimage_to_cpu(*data); 2356 return 0; 2357 } 2358 2359 /** 2360 * fit_image_get_entry - get entry point address property for a given component image node 2361 * @fit: pointer to the FIT format image header 2362 * @noffset: component image node offset 2363 * @entry: pointer to the uint32_t, will hold entry point address 2364 * 2365 * fit_image_get_entry() finds entry point address property in a given component image node. 2366 * If the property is found, its value is returned to the caller. 2367 * 2368 * returns: 2369 * 0, on success 2370 * -1, on failure 2371 */ 2372 int fit_image_get_entry(const void *fit, int noffset, ulong *entry) 2373 { 2374 int len; 2375 const uint32_t *data; 2376 2377 data = fdt_getprop(fit, noffset, FIT_ENTRY_PROP, &len); 2378 if (data == NULL) { 2379 fit_get_debug(fit, noffset, FIT_ENTRY_PROP, len); 2380 return -1; 2381 } 2382 2383 *entry = uimage_to_cpu(*data); 2384 return 0; 2385 } 2386 2387 /** 2388 * fit_image_get_data - get data property and its size for a given component image node 2389 * @fit: pointer to the FIT format image header 2390 * @noffset: component image node offset 2391 * @data: double pointer to void, will hold data property's data address 2392 * @size: pointer to size_t, will hold data property's data size 2393 * 2394 * fit_image_get_data() finds data property in a given component image node. 2395 * If the property is found its data start address and size are returned to 2396 * the caller. 2397 * 2398 * returns: 2399 * 0, on success 2400 * -1, on failure 2401 */ 2402 int fit_image_get_data(const void *fit, int noffset, 2403 const void **data, size_t *size) 2404 { 2405 int len; 2406 2407 *data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len); 2408 if (*data == NULL) { 2409 fit_get_debug(fit, noffset, FIT_DATA_PROP, len); 2410 *size = 0; 2411 return -1; 2412 } 2413 2414 *size = len; 2415 return 0; 2416 } 2417 2418 /** 2419 * fit_image_hash_get_algo - get hash algorithm name 2420 * @fit: pointer to the FIT format image header 2421 * @noffset: hash node offset 2422 * @algo: double pointer to char, will hold pointer to the algorithm name 2423 * 2424 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 2425 * If the property is found its data start address is returned to the caller. 2426 * 2427 * returns: 2428 * 0, on success 2429 * -1, on failure 2430 */ 2431 int fit_image_hash_get_algo(const void *fit, int noffset, char **algo) 2432 { 2433 int len; 2434 2435 *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len); 2436 if (*algo == NULL) { 2437 fit_get_debug(fit, noffset, FIT_ALGO_PROP, len); 2438 return -1; 2439 } 2440 2441 return 0; 2442 } 2443 2444 /** 2445 * fit_image_hash_get_value - get hash value and length 2446 * @fit: pointer to the FIT format image header 2447 * @noffset: hash node offset 2448 * @value: double pointer to uint8_t, will hold address of a hash value data 2449 * @value_len: pointer to an int, will hold hash data length 2450 * 2451 * fit_image_hash_get_value() finds hash value property in a given hash node. 2452 * If the property is found its data start address and size are returned to 2453 * the caller. 2454 * 2455 * returns: 2456 * 0, on success 2457 * -1, on failure 2458 */ 2459 int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value, 2460 int *value_len) 2461 { 2462 int len; 2463 2464 *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len); 2465 if (*value == NULL) { 2466 fit_get_debug(fit, noffset, FIT_VALUE_PROP, len); 2467 *value_len = 0; 2468 return -1; 2469 } 2470 2471 *value_len = len; 2472 return 0; 2473 } 2474 2475 /** 2476 * fit_set_timestamp - set node timestamp property 2477 * @fit: pointer to the FIT format image header 2478 * @noffset: node offset 2479 * @timestamp: timestamp value to be set 2480 * 2481 * fit_set_timestamp() attempts to set timestamp property in the requested 2482 * node and returns operation status to the caller. 2483 * 2484 * returns: 2485 * 0, on success 2486 * -1, on property read failure 2487 */ 2488 int fit_set_timestamp(void *fit, int noffset, time_t timestamp) 2489 { 2490 uint32_t t; 2491 int ret; 2492 2493 t = cpu_to_uimage(timestamp); 2494 ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t, 2495 sizeof(uint32_t)); 2496 if (ret) { 2497 printf("Can't set '%s' property for '%s' node (%s)\n", 2498 FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL), 2499 fdt_strerror(ret)); 2500 return -1; 2501 } 2502 2503 return 0; 2504 } 2505 2506 /** 2507 * calculate_hash - calculate and return hash for provided input data 2508 * @data: pointer to the input data 2509 * @data_len: data length 2510 * @algo: requested hash algorithm 2511 * @value: pointer to the char, will hold hash value data (caller must 2512 * allocate enough free space) 2513 * value_len: length of the calculated hash 2514 * 2515 * calculate_hash() computes input data hash according to the requested algorithm. 2516 * Resulting hash value is placed in caller provided 'value' buffer, length 2517 * of the calculated hash is returned via value_len pointer argument. 2518 * 2519 * returns: 2520 * 0, on success 2521 * -1, when algo is unsupported 2522 */ 2523 static int calculate_hash(const void *data, int data_len, const char *algo, 2524 uint8_t *value, int *value_len) 2525 { 2526 if (strcmp(algo, "crc32") == 0) { 2527 *((uint32_t *)value) = crc32_wd(0, data, data_len, 2528 CHUNKSZ_CRC32); 2529 *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value)); 2530 *value_len = 4; 2531 } else if (strcmp(algo, "sha1") == 0) { 2532 sha1_csum_wd((unsigned char *) data, data_len, 2533 (unsigned char *) value, CHUNKSZ_SHA1); 2534 *value_len = 20; 2535 } else if (strcmp(algo, "md5") == 0) { 2536 md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5); 2537 *value_len = 16; 2538 } else { 2539 debug("Unsupported hash alogrithm\n"); 2540 return -1; 2541 } 2542 return 0; 2543 } 2544 2545 #ifdef USE_HOSTCC 2546 /** 2547 * fit_set_hashes - process FIT component image nodes and calculate hashes 2548 * @fit: pointer to the FIT format image header 2549 * 2550 * fit_set_hashes() adds hash values for all component images in the FIT blob. 2551 * Hashes are calculated for all component images which have hash subnodes 2552 * with algorithm property set to one of the supported hash algorithms. 2553 * 2554 * returns 2555 * 0, on success 2556 * libfdt error code, on failure 2557 */ 2558 int fit_set_hashes(void *fit) 2559 { 2560 int images_noffset; 2561 int noffset; 2562 int ndepth; 2563 int ret; 2564 2565 /* Find images parent node offset */ 2566 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); 2567 if (images_noffset < 0) { 2568 printf("Can't find images parent node '%s' (%s)\n", 2569 FIT_IMAGES_PATH, fdt_strerror(images_noffset)); 2570 return images_noffset; 2571 } 2572 2573 /* Process its subnodes, print out component images details */ 2574 for (ndepth = 0, noffset = fdt_next_node(fit, images_noffset, &ndepth); 2575 (noffset >= 0) && (ndepth > 0); 2576 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2577 if (ndepth == 1) { 2578 /* 2579 * Direct child node of the images parent node, 2580 * i.e. component image node. 2581 */ 2582 ret = fit_image_set_hashes(fit, noffset); 2583 if (ret) 2584 return ret; 2585 } 2586 } 2587 2588 return 0; 2589 } 2590 2591 /** 2592 * fit_image_set_hashes - calculate/set hashes for given component image node 2593 * @fit: pointer to the FIT format image header 2594 * @image_noffset: requested component image node 2595 * 2596 * fit_image_set_hashes() adds hash values for an component image node. All 2597 * existing hash subnodes are checked, if algorithm property is set to one of 2598 * the supported hash algorithms, hash value is computed and corresponding 2599 * hash node property is set, for example: 2600 * 2601 * Input component image node structure: 2602 * 2603 * o image@1 (at image_noffset) 2604 * | - data = [binary data] 2605 * o hash@1 2606 * |- algo = "sha1" 2607 * 2608 * Output component image node structure: 2609 * 2610 * o image@1 (at image_noffset) 2611 * | - data = [binary data] 2612 * o hash@1 2613 * |- algo = "sha1" 2614 * |- value = sha1(data) 2615 * 2616 * returns: 2617 * 0 on sucess 2618 * <0 on failure 2619 */ 2620 int fit_image_set_hashes(void *fit, int image_noffset) 2621 { 2622 const void *data; 2623 size_t size; 2624 char *algo; 2625 uint8_t value[FIT_MAX_HASH_LEN]; 2626 int value_len; 2627 int noffset; 2628 int ndepth; 2629 2630 /* Get image data and data length */ 2631 if (fit_image_get_data(fit, image_noffset, &data, &size)) { 2632 printf("Can't get image data/size\n"); 2633 return -1; 2634 } 2635 2636 /* Process all hash subnodes of the component image node */ 2637 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth); 2638 (noffset >= 0) && (ndepth > 0); 2639 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2640 if (ndepth == 1) { 2641 /* Direct child node of the component image node */ 2642 2643 /* 2644 * Check subnode name, must be equal to "hash". 2645 * Multiple hash nodes require unique unit node 2646 * names, e.g. hash@1, hash@2, etc. 2647 */ 2648 if (strncmp(fit_get_name(fit, noffset, NULL), 2649 FIT_HASH_NODENAME, 2650 strlen(FIT_HASH_NODENAME)) != 0) { 2651 /* Not a hash subnode, skip it */ 2652 continue; 2653 } 2654 2655 if (fit_image_hash_get_algo(fit, noffset, &algo)) { 2656 printf("Can't get hash algo property for " 2657 "'%s' hash node in '%s' image node\n", 2658 fit_get_name(fit, noffset, NULL), 2659 fit_get_name(fit, image_noffset, NULL)); 2660 return -1; 2661 } 2662 2663 if (calculate_hash(data, size, algo, value, 2664 &value_len)) { 2665 printf("Unsupported hash algorithm (%s) for " 2666 "'%s' hash node in '%s' image node\n", 2667 algo, fit_get_name(fit, noffset, NULL), 2668 fit_get_name(fit, image_noffset, 2669 NULL)); 2670 return -1; 2671 } 2672 2673 if (fit_image_hash_set_value(fit, noffset, value, 2674 value_len)) { 2675 printf("Can't set hash value for " 2676 "'%s' hash node in '%s' image node\n", 2677 fit_get_name(fit, noffset, NULL), 2678 fit_get_name(fit, image_noffset, NULL)); 2679 return -1; 2680 } 2681 } 2682 } 2683 2684 return 0; 2685 } 2686 2687 /** 2688 * fit_image_hash_set_value - set hash value in requested has node 2689 * @fit: pointer to the FIT format image header 2690 * @noffset: hash node offset 2691 * @value: hash value to be set 2692 * @value_len: hash value length 2693 * 2694 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2695 * given and returns operation status to the caller. 2696 * 2697 * returns 2698 * 0, on success 2699 * -1, on failure 2700 */ 2701 int fit_image_hash_set_value(void *fit, int noffset, uint8_t *value, 2702 int value_len) 2703 { 2704 int ret; 2705 2706 ret = fdt_setprop(fit, noffset, FIT_VALUE_PROP, value, value_len); 2707 if (ret) { 2708 printf("Can't set hash '%s' property for '%s' node(%s)\n", 2709 FIT_VALUE_PROP, fit_get_name(fit, noffset, NULL), 2710 fdt_strerror(ret)); 2711 return -1; 2712 } 2713 2714 return 0; 2715 } 2716 #endif /* USE_HOSTCC */ 2717 2718 /** 2719 * fit_image_check_hashes - verify data intergity 2720 * @fit: pointer to the FIT format image header 2721 * @image_noffset: component image node offset 2722 * 2723 * fit_image_check_hashes() goes over component image hash nodes, 2724 * re-calculates each data hash and compares with the value stored in hash 2725 * node. 2726 * 2727 * returns: 2728 * 1, if all hashes are valid 2729 * 0, otherwise (or on error) 2730 */ 2731 int fit_image_check_hashes(const void *fit, int image_noffset) 2732 { 2733 const void *data; 2734 size_t size; 2735 char *algo; 2736 uint8_t *fit_value; 2737 int fit_value_len; 2738 uint8_t value[FIT_MAX_HASH_LEN]; 2739 int value_len; 2740 int noffset; 2741 int ndepth; 2742 char *err_msg = ""; 2743 2744 /* Get image data and data length */ 2745 if (fit_image_get_data(fit, image_noffset, &data, &size)) { 2746 printf("Can't get image data/size\n"); 2747 return 0; 2748 } 2749 2750 /* Process all hash subnodes of the component image node */ 2751 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth); 2752 (noffset >= 0) && (ndepth > 0); 2753 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2754 if (ndepth == 1) { 2755 /* Direct child node of the component image node */ 2756 2757 /* 2758 * Check subnode name, must be equal to "hash". 2759 * Multiple hash nodes require unique unit node 2760 * names, e.g. hash@1, hash@2, etc. 2761 */ 2762 if (strncmp(fit_get_name(fit, noffset, NULL), 2763 FIT_HASH_NODENAME, 2764 strlen(FIT_HASH_NODENAME)) != 0) 2765 continue; 2766 2767 if (fit_image_hash_get_algo(fit, noffset, &algo)) { 2768 err_msg = " error!\nCan't get hash algo " 2769 "property"; 2770 goto error; 2771 } 2772 printf("%s", algo); 2773 2774 if (fit_image_hash_get_value(fit, noffset, &fit_value, 2775 &fit_value_len)) { 2776 err_msg = " error!\nCan't get hash value " 2777 "property"; 2778 goto error; 2779 } 2780 2781 if (calculate_hash(data, size, algo, value, 2782 &value_len)) { 2783 err_msg = " error!\n" 2784 "Unsupported hash algorithm"; 2785 goto error; 2786 } 2787 2788 if (value_len != fit_value_len) { 2789 err_msg = " error !\nBad hash value len"; 2790 goto error; 2791 } else if (memcmp(value, fit_value, value_len) != 0) { 2792 err_msg = " error!\nBad hash value"; 2793 goto error; 2794 } 2795 printf("+ "); 2796 } 2797 } 2798 2799 return 1; 2800 2801 error: 2802 printf("%s for '%s' hash node in '%s' image node\n", 2803 err_msg, fit_get_name(fit, noffset, NULL), 2804 fit_get_name(fit, image_noffset, NULL)); 2805 return 0; 2806 } 2807 2808 /** 2809 * fit_all_image_check_hashes - verify data intergity for all images 2810 * @fit: pointer to the FIT format image header 2811 * 2812 * fit_all_image_check_hashes() goes over all images in the FIT and 2813 * for every images checks if all it's hashes are valid. 2814 * 2815 * returns: 2816 * 1, if all hashes of all images are valid 2817 * 0, otherwise (or on error) 2818 */ 2819 int fit_all_image_check_hashes(const void *fit) 2820 { 2821 int images_noffset; 2822 int noffset; 2823 int ndepth; 2824 int count; 2825 2826 /* Find images parent node offset */ 2827 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); 2828 if (images_noffset < 0) { 2829 printf("Can't find images parent node '%s' (%s)\n", 2830 FIT_IMAGES_PATH, fdt_strerror(images_noffset)); 2831 return 0; 2832 } 2833 2834 /* Process all image subnodes, check hashes for each */ 2835 printf("## Checking hash(es) for FIT Image at %08lx ...\n", 2836 (ulong)fit); 2837 for (ndepth = 0, count = 0, 2838 noffset = fdt_next_node(fit, images_noffset, &ndepth); 2839 (noffset >= 0) && (ndepth > 0); 2840 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2841 if (ndepth == 1) { 2842 /* 2843 * Direct child node of the images parent node, 2844 * i.e. component image node. 2845 */ 2846 printf(" Hash(es) for Image %u (%s): ", count++, 2847 fit_get_name(fit, noffset, NULL)); 2848 2849 if (!fit_image_check_hashes(fit, noffset)) 2850 return 0; 2851 printf("\n"); 2852 } 2853 } 2854 return 1; 2855 } 2856 2857 /** 2858 * fit_image_check_os - check whether image node is of a given os type 2859 * @fit: pointer to the FIT format image header 2860 * @noffset: component image node offset 2861 * @os: requested image os 2862 * 2863 * fit_image_check_os() reads image os property and compares its numeric 2864 * id with the requested os. Comparison result is returned to the caller. 2865 * 2866 * returns: 2867 * 1 if image is of given os type 2868 * 0 otherwise (or on error) 2869 */ 2870 int fit_image_check_os(const void *fit, int noffset, uint8_t os) 2871 { 2872 uint8_t image_os; 2873 2874 if (fit_image_get_os(fit, noffset, &image_os)) 2875 return 0; 2876 return (os == image_os); 2877 } 2878 2879 /** 2880 * fit_image_check_arch - check whether image node is of a given arch 2881 * @fit: pointer to the FIT format image header 2882 * @noffset: component image node offset 2883 * @arch: requested imagearch 2884 * 2885 * fit_image_check_arch() reads image arch property and compares its numeric 2886 * id with the requested arch. Comparison result is returned to the caller. 2887 * 2888 * returns: 2889 * 1 if image is of given arch 2890 * 0 otherwise (or on error) 2891 */ 2892 int fit_image_check_arch(const void *fit, int noffset, uint8_t arch) 2893 { 2894 uint8_t image_arch; 2895 2896 if (fit_image_get_arch(fit, noffset, &image_arch)) 2897 return 0; 2898 return (arch == image_arch); 2899 } 2900 2901 /** 2902 * fit_image_check_type - check whether image node is of a given type 2903 * @fit: pointer to the FIT format image header 2904 * @noffset: component image node offset 2905 * @type: requested image type 2906 * 2907 * fit_image_check_type() reads image type property and compares its numeric 2908 * id with the requested type. Comparison result is returned to the caller. 2909 * 2910 * returns: 2911 * 1 if image is of given type 2912 * 0 otherwise (or on error) 2913 */ 2914 int fit_image_check_type(const void *fit, int noffset, uint8_t type) 2915 { 2916 uint8_t image_type; 2917 2918 if (fit_image_get_type(fit, noffset, &image_type)) 2919 return 0; 2920 return (type == image_type); 2921 } 2922 2923 /** 2924 * fit_image_check_comp - check whether image node uses given compression 2925 * @fit: pointer to the FIT format image header 2926 * @noffset: component image node offset 2927 * @comp: requested image compression type 2928 * 2929 * fit_image_check_comp() reads image compression property and compares its 2930 * numeric id with the requested compression type. Comparison result is 2931 * returned to the caller. 2932 * 2933 * returns: 2934 * 1 if image uses requested compression 2935 * 0 otherwise (or on error) 2936 */ 2937 int fit_image_check_comp(const void *fit, int noffset, uint8_t comp) 2938 { 2939 uint8_t image_comp; 2940 2941 if (fit_image_get_comp(fit, noffset, &image_comp)) 2942 return 0; 2943 return (comp == image_comp); 2944 } 2945 2946 /** 2947 * fit_check_format - sanity check FIT image format 2948 * @fit: pointer to the FIT format image header 2949 * 2950 * fit_check_format() runs a basic sanity FIT image verification. 2951 * Routine checks for mandatory properties, nodes, etc. 2952 * 2953 * returns: 2954 * 1, on success 2955 * 0, on failure 2956 */ 2957 int fit_check_format(const void *fit) 2958 { 2959 /* mandatory / node 'description' property */ 2960 if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2961 debug("Wrong FIT format: no description\n"); 2962 return 0; 2963 } 2964 2965 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2966 /* mandatory / node 'timestamp' property */ 2967 if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2968 debug("Wrong FIT format: no timestamp\n"); 2969 return 0; 2970 } 2971 #endif 2972 2973 /* mandatory subimages parent '/images' node */ 2974 if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) { 2975 debug("Wrong FIT format: no images parent node\n"); 2976 return 0; 2977 } 2978 2979 return 1; 2980 } 2981 2982 /** 2983 * fit_conf_get_node - get node offset for configuration of a given unit name 2984 * @fit: pointer to the FIT format image header 2985 * @conf_uname: configuration node unit name 2986 * 2987 * fit_conf_get_node() finds a configuration (withing the '/configurations' 2988 * parant node) of a provided unit name. If configuration is found its node offset 2989 * is returned to the caller. 2990 * 2991 * When NULL is provided in second argument fit_conf_get_node() will search 2992 * for a default configuration node instead. Default configuration node unit name 2993 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 2994 * 2995 * returns: 2996 * configuration node offset when found (>=0) 2997 * negative number on failure (FDT_ERR_* code) 2998 */ 2999 int fit_conf_get_node(const void *fit, const char *conf_uname) 3000 { 3001 int noffset, confs_noffset; 3002 int len; 3003 3004 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); 3005 if (confs_noffset < 0) { 3006 debug("Can't find configurations parent node '%s' (%s)\n", 3007 FIT_CONFS_PATH, fdt_strerror(confs_noffset)); 3008 return confs_noffset; 3009 } 3010 3011 if (conf_uname == NULL) { 3012 /* get configuration unit name from the default property */ 3013 debug("No configuration specified, trying default...\n"); 3014 conf_uname = (char *)fdt_getprop(fit, confs_noffset, 3015 FIT_DEFAULT_PROP, &len); 3016 if (conf_uname == NULL) { 3017 fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP, 3018 len); 3019 return len; 3020 } 3021 debug("Found default configuration: '%s'\n", conf_uname); 3022 } 3023 3024 noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname); 3025 if (noffset < 0) { 3026 debug("Can't get node offset for configuration unit name: " 3027 "'%s' (%s)\n", 3028 conf_uname, fdt_strerror(noffset)); 3029 } 3030 3031 return noffset; 3032 } 3033 3034 static int __fit_conf_get_prop_node(const void *fit, int noffset, 3035 const char *prop_name) 3036 { 3037 char *uname; 3038 int len; 3039 3040 /* get kernel image unit name from configuration kernel property */ 3041 uname = (char *)fdt_getprop(fit, noffset, prop_name, &len); 3042 if (uname == NULL) 3043 return len; 3044 3045 return fit_image_get_node(fit, uname); 3046 } 3047 3048 /** 3049 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 3050 * a given configuration 3051 * @fit: pointer to the FIT format image header 3052 * @noffset: configuration node offset 3053 * 3054 * fit_conf_get_kernel_node() retrives kernel image node unit name from 3055 * configuration FIT_KERNEL_PROP property and translates it to the node 3056 * offset. 3057 * 3058 * returns: 3059 * image node offset when found (>=0) 3060 * negative number on failure (FDT_ERR_* code) 3061 */ 3062 int fit_conf_get_kernel_node(const void *fit, int noffset) 3063 { 3064 return __fit_conf_get_prop_node(fit, noffset, FIT_KERNEL_PROP); 3065 } 3066 3067 /** 3068 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 3069 * a given configuration 3070 * @fit: pointer to the FIT format image header 3071 * @noffset: configuration node offset 3072 * 3073 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 3074 * configuration FIT_KERNEL_PROP property and translates it to the node 3075 * offset. 3076 * 3077 * returns: 3078 * image node offset when found (>=0) 3079 * negative number on failure (FDT_ERR_* code) 3080 */ 3081 int fit_conf_get_ramdisk_node(const void *fit, int noffset) 3082 { 3083 return __fit_conf_get_prop_node(fit, noffset, FIT_RAMDISK_PROP); 3084 } 3085 3086 /** 3087 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 3088 * a given configuration 3089 * @fit: pointer to the FIT format image header 3090 * @noffset: configuration node offset 3091 * 3092 * fit_conf_get_fdt_node() retrives fdt image node unit name from 3093 * configuration FIT_KERNEL_PROP property and translates it to the node 3094 * offset. 3095 * 3096 * returns: 3097 * image node offset when found (>=0) 3098 * negative number on failure (FDT_ERR_* code) 3099 */ 3100 int fit_conf_get_fdt_node(const void *fit, int noffset) 3101 { 3102 return __fit_conf_get_prop_node(fit, noffset, FIT_FDT_PROP); 3103 } 3104 3105 /** 3106 * fit_conf_print - prints out the FIT configuration details 3107 * @fit: pointer to the FIT format image header 3108 * @noffset: offset of the configuration node 3109 * @p: pointer to prefix string 3110 * 3111 * fit_conf_print() lists all mandatory properies for the processed 3112 * configuration node. 3113 * 3114 * returns: 3115 * no returned results 3116 */ 3117 void fit_conf_print(const void *fit, int noffset, const char *p) 3118 { 3119 char *desc; 3120 char *uname; 3121 int ret; 3122 3123 /* Mandatory properties */ 3124 ret = fit_get_desc(fit, noffset, &desc); 3125 printf("%s Description: ", p); 3126 if (ret) 3127 printf("unavailable\n"); 3128 else 3129 printf("%s\n", desc); 3130 3131 uname = (char *)fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL); 3132 printf("%s Kernel: ", p); 3133 if (uname == NULL) 3134 printf("unavailable\n"); 3135 else 3136 printf("%s\n", uname); 3137 3138 /* Optional properties */ 3139 uname = (char *)fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL); 3140 if (uname) 3141 printf("%s Init Ramdisk: %s\n", p, uname); 3142 3143 uname = (char *)fdt_getprop(fit, noffset, FIT_FDT_PROP, NULL); 3144 if (uname) 3145 printf("%s FDT: %s\n", p, uname); 3146 } 3147 3148 /** 3149 * fit_check_ramdisk - verify FIT format ramdisk subimage 3150 * @fit_hdr: pointer to the FIT ramdisk header 3151 * @rd_noffset: ramdisk subimage node offset within FIT image 3152 * @arch: requested ramdisk image architecture type 3153 * @verify: data CRC verification flag 3154 * 3155 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 3156 * specified FIT image. 3157 * 3158 * returns: 3159 * 1, on success 3160 * 0, on failure 3161 */ 3162 #ifndef USE_HOSTCC 3163 static int fit_check_ramdisk(const void *fit, int rd_noffset, uint8_t arch, 3164 int verify) 3165 { 3166 fit_image_print(fit, rd_noffset, " "); 3167 3168 if (verify) { 3169 puts(" Verifying Hash Integrity ... "); 3170 if (!fit_image_check_hashes(fit, rd_noffset)) { 3171 puts("Bad Data Hash\n"); 3172 show_boot_progress(-125); 3173 return 0; 3174 } 3175 puts("OK\n"); 3176 } 3177 3178 show_boot_progress(126); 3179 if (!fit_image_check_os(fit, rd_noffset, IH_OS_LINUX) || 3180 !fit_image_check_arch(fit, rd_noffset, arch) || 3181 !fit_image_check_type(fit, rd_noffset, IH_TYPE_RAMDISK)) { 3182 printf("No Linux %s Ramdisk Image\n", 3183 genimg_get_arch_name(arch)); 3184 show_boot_progress(-126); 3185 return 0; 3186 } 3187 3188 show_boot_progress(127); 3189 return 1; 3190 } 3191 #endif /* USE_HOSTCC */ 3192 #endif /* CONFIG_FIT */ 3193