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 bootstage_error(BOOTSTAGE_ID_RD_MAGIC); 377 return NULL; 378 } 379 380 if (!image_check_hcrc(rd_hdr)) { 381 puts("Bad Header Checksum\n"); 382 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 383 return NULL; 384 } 385 386 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC); 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 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM); 394 return NULL; 395 } 396 puts("OK\n"); 397 } 398 399 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 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 bootstage_error(BOOTSTAGE_ID_RAMDISK); 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 char *end; 801 #if defined(CONFIG_FIT) 802 void *fit_hdr; 803 const char *fit_uname_config = NULL; 804 const char *fit_uname_ramdisk = NULL; 805 ulong default_addr; 806 int rd_noffset; 807 int cfg_noffset; 808 const void *data; 809 size_t size; 810 #endif 811 812 *rd_start = 0; 813 *rd_end = 0; 814 815 /* 816 * Look for a '-' which indicates to ignore the 817 * ramdisk argument 818 */ 819 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 820 debug("## Skipping init Ramdisk\n"); 821 rd_len = rd_data = 0; 822 } else if (argc >= 3 || genimg_has_config(images)) { 823 #if defined(CONFIG_FIT) 824 if (argc >= 3) { 825 /* 826 * If the init ramdisk comes from the FIT image and 827 * the FIT image address is omitted in the command 828 * line argument, try to use os FIT image address or 829 * default load address. 830 */ 831 if (images->fit_uname_os) 832 default_addr = (ulong)images->fit_hdr_os; 833 else 834 default_addr = load_addr; 835 836 if (fit_parse_conf(argv[2], default_addr, 837 &rd_addr, &fit_uname_config)) { 838 debug("* ramdisk: config '%s' from image at " 839 "0x%08lx\n", 840 fit_uname_config, rd_addr); 841 } else if (fit_parse_subimage(argv[2], default_addr, 842 &rd_addr, &fit_uname_ramdisk)) { 843 debug("* ramdisk: subimage '%s' from image at " 844 "0x%08lx\n", 845 fit_uname_ramdisk, rd_addr); 846 } else 847 #endif 848 { 849 rd_addr = simple_strtoul(argv[2], NULL, 16); 850 debug("* ramdisk: cmdline image address = " 851 "0x%08lx\n", 852 rd_addr); 853 } 854 #if defined(CONFIG_FIT) 855 } else { 856 /* use FIT configuration provided in first bootm 857 * command argument 858 */ 859 rd_addr = (ulong)images->fit_hdr_os; 860 fit_uname_config = images->fit_uname_cfg; 861 debug("* ramdisk: using config '%s' from image " 862 "at 0x%08lx\n", 863 fit_uname_config, rd_addr); 864 865 /* 866 * Check whether configuration has ramdisk defined, 867 * if not, don't try to use it, quit silently. 868 */ 869 fit_hdr = (void *)rd_addr; 870 cfg_noffset = fit_conf_get_node(fit_hdr, 871 fit_uname_config); 872 if (cfg_noffset < 0) { 873 debug("* ramdisk: no such config\n"); 874 return 1; 875 } 876 877 rd_noffset = fit_conf_get_ramdisk_node(fit_hdr, 878 cfg_noffset); 879 if (rd_noffset < 0) { 880 debug("* ramdisk: no ramdisk in config\n"); 881 return 0; 882 } 883 } 884 #endif 885 886 /* copy from dataflash if needed */ 887 rd_addr = genimg_get_image(rd_addr); 888 889 /* 890 * Check if there is an initrd image at the 891 * address provided in the second bootm argument 892 * check image type, for FIT images get FIT node. 893 */ 894 switch (genimg_get_format((void *)rd_addr)) { 895 case IMAGE_FORMAT_LEGACY: 896 printf("## Loading init Ramdisk from Legacy " 897 "Image at %08lx ...\n", rd_addr); 898 899 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK); 900 rd_hdr = image_get_ramdisk(rd_addr, arch, 901 images->verify); 902 903 if (rd_hdr == NULL) 904 return 1; 905 906 rd_data = image_get_data(rd_hdr); 907 rd_len = image_get_data_size(rd_hdr); 908 rd_load = image_get_load(rd_hdr); 909 break; 910 #if defined(CONFIG_FIT) 911 case IMAGE_FORMAT_FIT: 912 fit_hdr = (void *)rd_addr; 913 printf("## Loading init Ramdisk from FIT " 914 "Image at %08lx ...\n", rd_addr); 915 916 bootstage_mark(BOOTSTAGE_ID_FIT_RD_FORMAT); 917 if (!fit_check_format(fit_hdr)) { 918 puts("Bad FIT ramdisk image format!\n"); 919 bootstage_error( 920 BOOTSTAGE_ID_FIT_RD_FORMAT); 921 return 1; 922 } 923 bootstage_mark(BOOTSTAGE_ID_FIT_RD_FORMAT_OK); 924 925 if (!fit_uname_ramdisk) { 926 /* 927 * no ramdisk image node unit name, try to get config 928 * node first. If config unit node name is NULL 929 * fit_conf_get_node() will try to find default config node 930 */ 931 bootstage_mark( 932 BOOTSTAGE_ID_FIT_RD_NO_UNIT_NAME); 933 cfg_noffset = fit_conf_get_node(fit_hdr, 934 fit_uname_config); 935 if (cfg_noffset < 0) { 936 puts("Could not find configuration " 937 "node\n"); 938 bootstage_error( 939 BOOTSTAGE_ID_FIT_RD_NO_UNIT_NAME); 940 return 1; 941 } 942 fit_uname_config = fdt_get_name(fit_hdr, 943 cfg_noffset, NULL); 944 printf(" Using '%s' configuration\n", 945 fit_uname_config); 946 947 rd_noffset = fit_conf_get_ramdisk_node(fit_hdr, 948 cfg_noffset); 949 fit_uname_ramdisk = fit_get_name(fit_hdr, 950 rd_noffset, NULL); 951 } else { 952 /* get ramdisk component image node offset */ 953 bootstage_mark( 954 BOOTSTAGE_ID_FIT_RD_UNIT_NAME); 955 rd_noffset = fit_image_get_node(fit_hdr, 956 fit_uname_ramdisk); 957 } 958 if (rd_noffset < 0) { 959 puts("Could not find subimage node\n"); 960 bootstage_error(BOOTSTAGE_ID_FIT_RD_SUBNODE); 961 return 1; 962 } 963 964 printf(" Trying '%s' ramdisk subimage\n", 965 fit_uname_ramdisk); 966 967 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK); 968 if (!fit_check_ramdisk(fit_hdr, rd_noffset, arch, 969 images->verify)) 970 return 1; 971 972 /* get ramdisk image data address and length */ 973 if (fit_image_get_data(fit_hdr, rd_noffset, &data, 974 &size)) { 975 puts("Could not find ramdisk subimage data!\n"); 976 bootstage_error(BOOTSTAGE_ID_FIT_RD_GET_DATA); 977 return 1; 978 } 979 bootstage_mark(BOOTSTAGE_ID_FIT_RD_GET_DATA_OK); 980 981 rd_data = (ulong)data; 982 rd_len = size; 983 984 if (fit_image_get_load(fit_hdr, rd_noffset, &rd_load)) { 985 puts("Can't get ramdisk subimage load " 986 "address!\n"); 987 bootstage_error(BOOTSTAGE_ID_FIT_RD_LOAD); 988 return 1; 989 } 990 bootstage_mark(BOOTSTAGE_ID_FIT_RD_LOAD); 991 992 images->fit_hdr_rd = fit_hdr; 993 images->fit_uname_rd = fit_uname_ramdisk; 994 images->fit_noffset_rd = rd_noffset; 995 break; 996 #endif 997 default: 998 #ifdef CONFIG_SUPPORT_RAW_INITRD 999 if (argc >= 3 && (end = strchr(argv[2], ':'))) { 1000 rd_len = simple_strtoul(++end, NULL, 16); 1001 rd_data = rd_addr; 1002 } else 1003 #endif 1004 { 1005 puts("Wrong Ramdisk Image Format\n"); 1006 rd_data = rd_len = rd_load = 0; 1007 return 1; 1008 } 1009 } 1010 } else if (images->legacy_hdr_valid && 1011 image_check_type(&images->legacy_hdr_os_copy, 1012 IH_TYPE_MULTI)) { 1013 1014 /* 1015 * Now check if we have a legacy mult-component image, 1016 * get second entry data start address and len. 1017 */ 1018 bootstage_mark(BOOTSTAGE_ID_RAMDISK); 1019 printf("## Loading init Ramdisk from multi component " 1020 "Legacy Image at %08lx ...\n", 1021 (ulong)images->legacy_hdr_os); 1022 1023 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len); 1024 } else { 1025 /* 1026 * no initrd image 1027 */ 1028 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK); 1029 rd_len = rd_data = 0; 1030 } 1031 1032 if (!rd_data) { 1033 debug("## No init Ramdisk\n"); 1034 } else { 1035 *rd_start = rd_data; 1036 *rd_end = rd_data + rd_len; 1037 } 1038 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 1039 *rd_start, *rd_end); 1040 1041 return 0; 1042 } 1043 1044 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH 1045 /** 1046 * boot_ramdisk_high - relocate init ramdisk 1047 * @lmb: pointer to lmb handle, will be used for memory mgmt 1048 * @rd_data: ramdisk data start address 1049 * @rd_len: ramdisk data length 1050 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 1051 * start address (after possible relocation) 1052 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 1053 * end address (after possible relocation) 1054 * 1055 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 1056 * variable and if requested ramdisk data is moved to a specified location. 1057 * 1058 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 1059 * start/end addresses if ramdisk image start and len were provided, 1060 * otherwise set initrd_start and initrd_end set to zeros. 1061 * 1062 * returns: 1063 * 0 - success 1064 * -1 - failure 1065 */ 1066 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, 1067 ulong *initrd_start, ulong *initrd_end) 1068 { 1069 char *s; 1070 ulong initrd_high; 1071 int initrd_copy_to_ram = 1; 1072 1073 if ((s = getenv("initrd_high")) != NULL) { 1074 /* a value of "no" or a similar string will act like 0, 1075 * turning the "load high" feature off. This is intentional. 1076 */ 1077 initrd_high = simple_strtoul(s, NULL, 16); 1078 if (initrd_high == ~0) 1079 initrd_copy_to_ram = 0; 1080 } else { 1081 /* not set, no restrictions to load high */ 1082 initrd_high = ~0; 1083 } 1084 1085 1086 #ifdef CONFIG_LOGBUFFER 1087 /* Prevent initrd from overwriting logbuffer */ 1088 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1089 #endif 1090 1091 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1092 initrd_high, initrd_copy_to_ram); 1093 1094 if (rd_data) { 1095 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1096 debug(" in-place initrd\n"); 1097 *initrd_start = rd_data; 1098 *initrd_end = rd_data + rd_len; 1099 lmb_reserve(lmb, rd_data, rd_len); 1100 } else { 1101 if (initrd_high) 1102 *initrd_start = (ulong)lmb_alloc_base(lmb, 1103 rd_len, 0x1000, initrd_high); 1104 else 1105 *initrd_start = (ulong)lmb_alloc(lmb, rd_len, 1106 0x1000); 1107 1108 if (*initrd_start == 0) { 1109 puts("ramdisk - allocation error\n"); 1110 goto error; 1111 } 1112 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK); 1113 1114 *initrd_end = *initrd_start + rd_len; 1115 printf(" Loading Ramdisk to %08lx, end %08lx ... ", 1116 *initrd_start, *initrd_end); 1117 1118 memmove_wd((void *)*initrd_start, 1119 (void *)rd_data, rd_len, CHUNKSZ); 1120 1121 #ifdef CONFIG_MP 1122 /* 1123 * Ensure the image is flushed to memory to handle 1124 * AMP boot scenarios in which we might not be 1125 * HW cache coherent 1126 */ 1127 flush_cache((unsigned long)*initrd_start, rd_len); 1128 #endif 1129 puts("OK\n"); 1130 } 1131 } else { 1132 *initrd_start = 0; 1133 *initrd_end = 0; 1134 } 1135 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1136 *initrd_start, *initrd_end); 1137 1138 return 0; 1139 1140 error: 1141 return -1; 1142 } 1143 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */ 1144 1145 #ifdef CONFIG_OF_LIBFDT 1146 static void fdt_error(const char *msg) 1147 { 1148 puts("ERROR: "); 1149 puts(msg); 1150 puts(" - must RESET the board to recover.\n"); 1151 } 1152 1153 static const image_header_t *image_get_fdt(ulong fdt_addr) 1154 { 1155 const image_header_t *fdt_hdr = (const image_header_t *)fdt_addr; 1156 1157 image_print_contents(fdt_hdr); 1158 1159 puts(" Verifying Checksum ... "); 1160 if (!image_check_hcrc(fdt_hdr)) { 1161 fdt_error("fdt header checksum invalid"); 1162 return NULL; 1163 } 1164 1165 if (!image_check_dcrc(fdt_hdr)) { 1166 fdt_error("fdt checksum invalid"); 1167 return NULL; 1168 } 1169 puts("OK\n"); 1170 1171 if (!image_check_type(fdt_hdr, IH_TYPE_FLATDT)) { 1172 fdt_error("uImage is not a fdt"); 1173 return NULL; 1174 } 1175 if (image_get_comp(fdt_hdr) != IH_COMP_NONE) { 1176 fdt_error("uImage is compressed"); 1177 return NULL; 1178 } 1179 if (fdt_check_header((char *)image_get_data(fdt_hdr)) != 0) { 1180 fdt_error("uImage data is not a fdt"); 1181 return NULL; 1182 } 1183 return fdt_hdr; 1184 } 1185 1186 /** 1187 * fit_check_fdt - verify FIT format FDT subimage 1188 * @fit_hdr: pointer to the FIT header 1189 * fdt_noffset: FDT subimage node offset within FIT image 1190 * @verify: data CRC verification flag 1191 * 1192 * fit_check_fdt() verifies integrity of the FDT subimage and from 1193 * specified FIT image. 1194 * 1195 * returns: 1196 * 1, on success 1197 * 0, on failure 1198 */ 1199 #if defined(CONFIG_FIT) 1200 static int fit_check_fdt(const void *fit, int fdt_noffset, int verify) 1201 { 1202 fit_image_print(fit, fdt_noffset, " "); 1203 1204 if (verify) { 1205 puts(" Verifying Hash Integrity ... "); 1206 if (!fit_image_check_hashes(fit, fdt_noffset)) { 1207 fdt_error("Bad Data Hash"); 1208 return 0; 1209 } 1210 puts("OK\n"); 1211 } 1212 1213 if (!fit_image_check_type(fit, fdt_noffset, IH_TYPE_FLATDT)) { 1214 fdt_error("Not a FDT image"); 1215 return 0; 1216 } 1217 1218 if (!fit_image_check_comp(fit, fdt_noffset, IH_COMP_NONE)) { 1219 fdt_error("FDT image is compressed"); 1220 return 0; 1221 } 1222 1223 return 1; 1224 } 1225 #endif /* CONFIG_FIT */ 1226 1227 #ifndef CONFIG_SYS_FDT_PAD 1228 #define CONFIG_SYS_FDT_PAD 0x3000 1229 #endif 1230 1231 #if defined(CONFIG_OF_LIBFDT) 1232 /** 1233 * boot_fdt_add_mem_rsv_regions - Mark the memreserve sections as unusable 1234 * @lmb: pointer to lmb handle, will be used for memory mgmt 1235 * @fdt_blob: pointer to fdt blob base address 1236 * 1237 * Adds the memreserve regions in the dtb to the lmb block. Adding the 1238 * memreserve regions prevents u-boot from using them to store the initrd 1239 * or the fdt blob. 1240 */ 1241 void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob) 1242 { 1243 uint64_t addr, size; 1244 int i, total; 1245 1246 if (fdt_check_header(fdt_blob) != 0) 1247 return; 1248 1249 total = fdt_num_mem_rsv(fdt_blob); 1250 for (i = 0; i < total; i++) { 1251 if (fdt_get_mem_rsv(fdt_blob, i, &addr, &size) != 0) 1252 continue; 1253 printf(" reserving fdt memory region: addr=%llx size=%llx\n", 1254 (unsigned long long)addr, (unsigned long long)size); 1255 lmb_reserve(lmb, addr, size); 1256 } 1257 } 1258 1259 /** 1260 * boot_relocate_fdt - relocate flat device tree 1261 * @lmb: pointer to lmb handle, will be used for memory mgmt 1262 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1263 * @of_size: pointer to a ulong variable, will hold fdt length 1264 * 1265 * boot_relocate_fdt() allocates a region of memory within the bootmap and 1266 * relocates the of_flat_tree into that region, even if the fdt is already in 1267 * the bootmap. It also expands the size of the fdt by CONFIG_SYS_FDT_PAD 1268 * bytes. 1269 * 1270 * of_flat_tree and of_size are set to final (after relocation) values 1271 * 1272 * returns: 1273 * 0 - success 1274 * 1 - failure 1275 */ 1276 int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size) 1277 { 1278 void *fdt_blob = *of_flat_tree; 1279 void *of_start = 0; 1280 char *fdt_high; 1281 ulong of_len = 0; 1282 int err; 1283 int disable_relocation = 0; 1284 1285 /* nothing to do */ 1286 if (*of_size == 0) 1287 return 0; 1288 1289 if (fdt_check_header(fdt_blob) != 0) { 1290 fdt_error("image is not a fdt"); 1291 goto error; 1292 } 1293 1294 /* position on a 4K boundary before the alloc_current */ 1295 /* Pad the FDT by a specified amount */ 1296 of_len = *of_size + CONFIG_SYS_FDT_PAD; 1297 1298 /* If fdt_high is set use it to select the relocation address */ 1299 fdt_high = getenv("fdt_high"); 1300 if (fdt_high) { 1301 void *desired_addr = (void *)simple_strtoul(fdt_high, NULL, 16); 1302 1303 if (((ulong) desired_addr) == ~0UL) { 1304 /* All ones means use fdt in place */ 1305 of_start = fdt_blob; 1306 lmb_reserve(lmb, (ulong)of_start, of_len); 1307 disable_relocation = 1; 1308 } else if (desired_addr) { 1309 of_start = 1310 (void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000, 1311 (ulong)desired_addr); 1312 if (of_start == 0) { 1313 puts("Failed using fdt_high value for Device Tree"); 1314 goto error; 1315 } 1316 } else { 1317 of_start = 1318 (void *)(ulong) lmb_alloc(lmb, of_len, 0x1000); 1319 } 1320 } else { 1321 of_start = 1322 (void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000, 1323 getenv_bootm_mapsize() 1324 + getenv_bootm_low()); 1325 } 1326 1327 if (of_start == 0) { 1328 puts("device tree - allocation error\n"); 1329 goto error; 1330 } 1331 1332 if (disable_relocation) { 1333 /* We assume there is space after the existing fdt to use for padding */ 1334 fdt_set_totalsize(of_start, of_len); 1335 printf(" Using Device Tree in place at %p, end %p\n", 1336 of_start, of_start + of_len - 1); 1337 } else { 1338 debug("## device tree at %p ... %p (len=%ld [0x%lX])\n", 1339 fdt_blob, fdt_blob + *of_size - 1, of_len, of_len); 1340 1341 printf(" Loading Device Tree to %p, end %p ... ", 1342 of_start, of_start + of_len - 1); 1343 1344 err = fdt_open_into(fdt_blob, of_start, of_len); 1345 if (err != 0) { 1346 fdt_error("fdt move failed"); 1347 goto error; 1348 } 1349 puts("OK\n"); 1350 } 1351 1352 *of_flat_tree = of_start; 1353 *of_size = of_len; 1354 1355 set_working_fdt_addr(*of_flat_tree); 1356 return 0; 1357 1358 error: 1359 return 1; 1360 } 1361 #endif /* CONFIG_OF_LIBFDT */ 1362 1363 /** 1364 * boot_get_fdt - main fdt handling routine 1365 * @argc: command argument count 1366 * @argv: command argument list 1367 * @images: pointer to the bootm images structure 1368 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1369 * @of_size: pointer to a ulong variable, will hold fdt length 1370 * 1371 * boot_get_fdt() is responsible for finding a valid flat device tree image. 1372 * Curently supported are the following ramdisk sources: 1373 * - multicomponent kernel/ramdisk image, 1374 * - commandline provided address of decicated ramdisk image. 1375 * 1376 * returns: 1377 * 0, if fdt image was found and valid, or skipped 1378 * of_flat_tree and of_size are set to fdt start address and length if 1379 * fdt image is found and valid 1380 * 1381 * 1, if fdt image is found but corrupted 1382 * of_flat_tree and of_size are set to 0 if no fdt exists 1383 */ 1384 int boot_get_fdt(int flag, int argc, char * const argv[], 1385 bootm_headers_t *images, char **of_flat_tree, ulong *of_size) 1386 { 1387 const image_header_t *fdt_hdr; 1388 ulong fdt_addr; 1389 char *fdt_blob = NULL; 1390 ulong image_start, image_data, image_end; 1391 ulong load_start, load_end; 1392 #if defined(CONFIG_FIT) 1393 void *fit_hdr; 1394 const char *fit_uname_config = NULL; 1395 const char *fit_uname_fdt = NULL; 1396 ulong default_addr; 1397 int cfg_noffset; 1398 int fdt_noffset; 1399 const void *data; 1400 size_t size; 1401 #endif 1402 1403 *of_flat_tree = NULL; 1404 *of_size = 0; 1405 1406 if (argc > 3 || genimg_has_config(images)) { 1407 #if defined(CONFIG_FIT) 1408 if (argc > 3) { 1409 /* 1410 * If the FDT blob comes from the FIT image and the 1411 * FIT image address is omitted in the command line 1412 * argument, try to use ramdisk or os FIT image 1413 * address or default load address. 1414 */ 1415 if (images->fit_uname_rd) 1416 default_addr = (ulong)images->fit_hdr_rd; 1417 else if (images->fit_uname_os) 1418 default_addr = (ulong)images->fit_hdr_os; 1419 else 1420 default_addr = load_addr; 1421 1422 if (fit_parse_conf(argv[3], default_addr, 1423 &fdt_addr, &fit_uname_config)) { 1424 debug("* fdt: config '%s' from image at " 1425 "0x%08lx\n", 1426 fit_uname_config, fdt_addr); 1427 } else if (fit_parse_subimage(argv[3], default_addr, 1428 &fdt_addr, &fit_uname_fdt)) { 1429 debug("* fdt: subimage '%s' from image at " 1430 "0x%08lx\n", 1431 fit_uname_fdt, fdt_addr); 1432 } else 1433 #endif 1434 { 1435 fdt_addr = simple_strtoul(argv[3], NULL, 16); 1436 debug("* fdt: cmdline image address = " 1437 "0x%08lx\n", 1438 fdt_addr); 1439 } 1440 #if defined(CONFIG_FIT) 1441 } else { 1442 /* use FIT configuration provided in first bootm 1443 * command argument 1444 */ 1445 fdt_addr = (ulong)images->fit_hdr_os; 1446 fit_uname_config = images->fit_uname_cfg; 1447 debug("* fdt: using config '%s' from image " 1448 "at 0x%08lx\n", 1449 fit_uname_config, fdt_addr); 1450 1451 /* 1452 * Check whether configuration has FDT blob defined, 1453 * if not quit silently. 1454 */ 1455 fit_hdr = (void *)fdt_addr; 1456 cfg_noffset = fit_conf_get_node(fit_hdr, 1457 fit_uname_config); 1458 if (cfg_noffset < 0) { 1459 debug("* fdt: no such config\n"); 1460 return 0; 1461 } 1462 1463 fdt_noffset = fit_conf_get_fdt_node(fit_hdr, 1464 cfg_noffset); 1465 if (fdt_noffset < 0) { 1466 debug("* fdt: no fdt in config\n"); 1467 return 0; 1468 } 1469 } 1470 #endif 1471 1472 debug("## Checking for 'FDT'/'FDT Image' at %08lx\n", 1473 fdt_addr); 1474 1475 /* copy from dataflash if needed */ 1476 fdt_addr = genimg_get_image(fdt_addr); 1477 1478 /* 1479 * Check if there is an FDT image at the 1480 * address provided in the second bootm argument 1481 * check image type, for FIT images get a FIT node. 1482 */ 1483 switch (genimg_get_format((void *)fdt_addr)) { 1484 case IMAGE_FORMAT_LEGACY: 1485 /* verify fdt_addr points to a valid image header */ 1486 printf("## Flattened Device Tree from Legacy Image " 1487 "at %08lx\n", 1488 fdt_addr); 1489 fdt_hdr = image_get_fdt(fdt_addr); 1490 if (!fdt_hdr) 1491 goto error; 1492 1493 /* 1494 * move image data to the load address, 1495 * make sure we don't overwrite initial image 1496 */ 1497 image_start = (ulong)fdt_hdr; 1498 image_data = (ulong)image_get_data(fdt_hdr); 1499 image_end = image_get_image_end(fdt_hdr); 1500 1501 load_start = image_get_load(fdt_hdr); 1502 load_end = load_start + image_get_data_size(fdt_hdr); 1503 1504 if (load_start == image_start || 1505 load_start == image_data) { 1506 fdt_blob = (char *)image_data; 1507 break; 1508 } 1509 1510 if ((load_start < image_end) && (load_end > image_start)) { 1511 fdt_error("fdt overwritten"); 1512 goto error; 1513 } 1514 1515 debug(" Loading FDT from 0x%08lx to 0x%08lx\n", 1516 image_data, load_start); 1517 1518 memmove((void *)load_start, 1519 (void *)image_data, 1520 image_get_data_size(fdt_hdr)); 1521 1522 fdt_blob = (char *)load_start; 1523 break; 1524 case IMAGE_FORMAT_FIT: 1525 /* 1526 * This case will catch both: new uImage format 1527 * (libfdt based) and raw FDT blob (also libfdt 1528 * based). 1529 */ 1530 #if defined(CONFIG_FIT) 1531 /* check FDT blob vs FIT blob */ 1532 if (fit_check_format((const void *)fdt_addr)) { 1533 /* 1534 * FIT image 1535 */ 1536 fit_hdr = (void *)fdt_addr; 1537 printf("## Flattened Device Tree from FIT " 1538 "Image at %08lx\n", 1539 fdt_addr); 1540 1541 if (!fit_uname_fdt) { 1542 /* 1543 * no FDT blob image node unit name, 1544 * try to get config node first. If 1545 * config unit node name is NULL 1546 * fit_conf_get_node() will try to 1547 * find default config node 1548 */ 1549 cfg_noffset = fit_conf_get_node(fit_hdr, 1550 fit_uname_config); 1551 1552 if (cfg_noffset < 0) { 1553 fdt_error("Could not find " 1554 "configuration " 1555 "node\n"); 1556 goto error; 1557 } 1558 1559 fit_uname_config = fdt_get_name(fit_hdr, 1560 cfg_noffset, NULL); 1561 printf(" Using '%s' configuration\n", 1562 fit_uname_config); 1563 1564 fdt_noffset = fit_conf_get_fdt_node( 1565 fit_hdr, 1566 cfg_noffset); 1567 fit_uname_fdt = fit_get_name(fit_hdr, 1568 fdt_noffset, NULL); 1569 } else { 1570 /* get FDT component image node offset */ 1571 fdt_noffset = fit_image_get_node( 1572 fit_hdr, 1573 fit_uname_fdt); 1574 } 1575 if (fdt_noffset < 0) { 1576 fdt_error("Could not find subimage " 1577 "node\n"); 1578 goto error; 1579 } 1580 1581 printf(" Trying '%s' FDT blob subimage\n", 1582 fit_uname_fdt); 1583 1584 if (!fit_check_fdt(fit_hdr, fdt_noffset, 1585 images->verify)) 1586 goto error; 1587 1588 /* get ramdisk image data address and length */ 1589 if (fit_image_get_data(fit_hdr, fdt_noffset, 1590 &data, &size)) { 1591 fdt_error("Could not find FDT " 1592 "subimage data"); 1593 goto error; 1594 } 1595 1596 /* verift that image data is a proper FDT blob */ 1597 if (fdt_check_header((char *)data) != 0) { 1598 fdt_error("Subimage data is not a FTD"); 1599 goto error; 1600 } 1601 1602 /* 1603 * move image data to the load address, 1604 * make sure we don't overwrite initial image 1605 */ 1606 image_start = (ulong)fit_hdr; 1607 image_end = fit_get_end(fit_hdr); 1608 1609 if (fit_image_get_load(fit_hdr, fdt_noffset, 1610 &load_start) == 0) { 1611 load_end = load_start + size; 1612 1613 if ((load_start < image_end) && 1614 (load_end > image_start)) { 1615 fdt_error("FDT overwritten"); 1616 goto error; 1617 } 1618 1619 printf(" Loading FDT from 0x%08lx " 1620 "to 0x%08lx\n", 1621 (ulong)data, 1622 load_start); 1623 1624 memmove((void *)load_start, 1625 (void *)data, size); 1626 1627 fdt_blob = (char *)load_start; 1628 } else { 1629 fdt_blob = (char *)data; 1630 } 1631 1632 images->fit_hdr_fdt = fit_hdr; 1633 images->fit_uname_fdt = fit_uname_fdt; 1634 images->fit_noffset_fdt = fdt_noffset; 1635 break; 1636 } else 1637 #endif 1638 { 1639 /* 1640 * FDT blob 1641 */ 1642 fdt_blob = (char *)fdt_addr; 1643 debug("* fdt: raw FDT blob\n"); 1644 printf("## Flattened Device Tree blob at " 1645 "%08lx\n", (long)fdt_blob); 1646 } 1647 break; 1648 default: 1649 puts("ERROR: Did not find a cmdline Flattened Device " 1650 "Tree\n"); 1651 goto error; 1652 } 1653 1654 printf(" Booting using the fdt blob at 0x%p\n", fdt_blob); 1655 1656 } else if (images->legacy_hdr_valid && 1657 image_check_type(&images->legacy_hdr_os_copy, 1658 IH_TYPE_MULTI)) { 1659 1660 ulong fdt_data, fdt_len; 1661 1662 /* 1663 * Now check if we have a legacy multi-component image, 1664 * get second entry data start address and len. 1665 */ 1666 printf("## Flattened Device Tree from multi " 1667 "component Image at %08lX\n", 1668 (ulong)images->legacy_hdr_os); 1669 1670 image_multi_getimg(images->legacy_hdr_os, 2, &fdt_data, 1671 &fdt_len); 1672 if (fdt_len) { 1673 1674 fdt_blob = (char *)fdt_data; 1675 printf(" Booting using the fdt at 0x%p\n", fdt_blob); 1676 1677 if (fdt_check_header(fdt_blob) != 0) { 1678 fdt_error("image is not a fdt"); 1679 goto error; 1680 } 1681 1682 if (fdt_totalsize(fdt_blob) != fdt_len) { 1683 fdt_error("fdt size != image size"); 1684 goto error; 1685 } 1686 } else { 1687 debug("## No Flattened Device Tree\n"); 1688 return 0; 1689 } 1690 } else { 1691 debug("## No Flattened Device Tree\n"); 1692 return 0; 1693 } 1694 1695 *of_flat_tree = fdt_blob; 1696 *of_size = fdt_totalsize(fdt_blob); 1697 debug(" of_flat_tree at 0x%08lx size 0x%08lx\n", 1698 (ulong)*of_flat_tree, *of_size); 1699 1700 return 0; 1701 1702 error: 1703 *of_flat_tree = 0; 1704 *of_size = 0; 1705 return 1; 1706 } 1707 #endif /* CONFIG_OF_LIBFDT */ 1708 1709 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE 1710 /** 1711 * boot_get_cmdline - allocate and initialize kernel cmdline 1712 * @lmb: pointer to lmb handle, will be used for memory mgmt 1713 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1714 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1715 * 1716 * boot_get_cmdline() allocates space for kernel command line below 1717 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt 1718 * variable is present its contents is copied to allocated kernel 1719 * command line. 1720 * 1721 * returns: 1722 * 0 - success 1723 * -1 - failure 1724 */ 1725 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end) 1726 { 1727 char *cmdline; 1728 char *s; 1729 1730 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1731 getenv_bootm_mapsize() + getenv_bootm_low()); 1732 1733 if (cmdline == NULL) 1734 return -1; 1735 1736 if ((s = getenv("bootargs")) == NULL) 1737 s = ""; 1738 1739 strcpy(cmdline, s); 1740 1741 *cmd_start = (ulong) & cmdline[0]; 1742 *cmd_end = *cmd_start + strlen(cmdline); 1743 1744 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1745 1746 return 0; 1747 } 1748 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */ 1749 1750 #ifdef CONFIG_SYS_BOOT_GET_KBD 1751 /** 1752 * boot_get_kbd - allocate and initialize kernel copy of board info 1753 * @lmb: pointer to lmb handle, will be used for memory mgmt 1754 * @kbd: double pointer to board info data 1755 * 1756 * boot_get_kbd() allocates space for kernel copy of board info data below 1757 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized 1758 * with the current u-boot board info data. 1759 * 1760 * returns: 1761 * 0 - success 1762 * -1 - failure 1763 */ 1764 int boot_get_kbd(struct lmb *lmb, bd_t **kbd) 1765 { 1766 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1767 getenv_bootm_mapsize() + getenv_bootm_low()); 1768 if (*kbd == NULL) 1769 return -1; 1770 1771 **kbd = *(gd->bd); 1772 1773 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1774 1775 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1776 do_bdinfo(NULL, 0, 0, NULL); 1777 #endif 1778 1779 return 0; 1780 } 1781 #endif /* CONFIG_SYS_BOOT_GET_KBD */ 1782 #endif /* !USE_HOSTCC */ 1783 1784 #if defined(CONFIG_FIT) 1785 /*****************************************************************************/ 1786 /* New uImage format routines */ 1787 /*****************************************************************************/ 1788 #ifndef USE_HOSTCC 1789 static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr, 1790 ulong *addr, const char **name) 1791 { 1792 const char *sep; 1793 1794 *addr = addr_curr; 1795 *name = NULL; 1796 1797 sep = strchr(spec, sepc); 1798 if (sep) { 1799 if (sep - spec > 0) 1800 *addr = simple_strtoul(spec, NULL, 16); 1801 1802 *name = sep + 1; 1803 return 1; 1804 } 1805 1806 return 0; 1807 } 1808 1809 /** 1810 * fit_parse_conf - parse FIT configuration spec 1811 * @spec: input string, containing configuration spec 1812 * @add_curr: current image address (to be used as a possible default) 1813 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1814 * configuration 1815 * @conf_name double pointer to a char, will hold pointer to a configuration 1816 * unit name 1817 * 1818 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1819 * where <addr> is a FIT image address that contains configuration 1820 * with a <conf> unit name. 1821 * 1822 * Address part is optional, and if omitted default add_curr will 1823 * be used instead. 1824 * 1825 * returns: 1826 * 1 if spec is a valid configuration string, 1827 * addr and conf_name are set accordingly 1828 * 0 otherwise 1829 */ 1830 inline int fit_parse_conf(const char *spec, ulong addr_curr, 1831 ulong *addr, const char **conf_name) 1832 { 1833 return fit_parse_spec(spec, '#', addr_curr, addr, conf_name); 1834 } 1835 1836 /** 1837 * fit_parse_subimage - parse FIT subimage spec 1838 * @spec: input string, containing subimage spec 1839 * @add_curr: current image address (to be used as a possible default) 1840 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1841 * subimage 1842 * @image_name: double pointer to a char, will hold pointer to a subimage name 1843 * 1844 * fit_parse_subimage() expects subimage spec in the for of 1845 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1846 * subimage with a <subimg> unit name. 1847 * 1848 * Address part is optional, and if omitted default add_curr will 1849 * be used instead. 1850 * 1851 * returns: 1852 * 1 if spec is a valid subimage string, 1853 * addr and image_name are set accordingly 1854 * 0 otherwise 1855 */ 1856 inline int fit_parse_subimage(const char *spec, ulong addr_curr, 1857 ulong *addr, const char **image_name) 1858 { 1859 return fit_parse_spec(spec, ':', addr_curr, addr, image_name); 1860 } 1861 #endif /* !USE_HOSTCC */ 1862 1863 static void fit_get_debug(const void *fit, int noffset, 1864 char *prop_name, int err) 1865 { 1866 debug("Can't get '%s' property from FIT 0x%08lx, " 1867 "node: offset %d, name %s (%s)\n", 1868 prop_name, (ulong)fit, noffset, 1869 fit_get_name(fit, noffset, NULL), 1870 fdt_strerror(err)); 1871 } 1872 1873 /** 1874 * fit_print_contents - prints out the contents of the FIT format image 1875 * @fit: pointer to the FIT format image header 1876 * @p: pointer to prefix string 1877 * 1878 * fit_print_contents() formats a multi line FIT image contents description. 1879 * The routine prints out FIT image properties (root node level) follwed by 1880 * the details of each component image. 1881 * 1882 * returns: 1883 * no returned results 1884 */ 1885 void fit_print_contents(const void *fit) 1886 { 1887 char *desc; 1888 char *uname; 1889 int images_noffset; 1890 int confs_noffset; 1891 int noffset; 1892 int ndepth; 1893 int count = 0; 1894 int ret; 1895 const char *p; 1896 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1897 time_t timestamp; 1898 #endif 1899 1900 #ifdef USE_HOSTCC 1901 p = ""; 1902 #else 1903 p = " "; 1904 #endif 1905 1906 /* Root node properties */ 1907 ret = fit_get_desc(fit, 0, &desc); 1908 printf("%sFIT description: ", p); 1909 if (ret) 1910 printf("unavailable\n"); 1911 else 1912 printf("%s\n", desc); 1913 1914 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1915 ret = fit_get_timestamp(fit, 0, ×tamp); 1916 printf("%sCreated: ", p); 1917 if (ret) 1918 printf("unavailable\n"); 1919 else 1920 genimg_print_time(timestamp); 1921 #endif 1922 1923 /* Find images parent node offset */ 1924 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); 1925 if (images_noffset < 0) { 1926 printf("Can't find images parent node '%s' (%s)\n", 1927 FIT_IMAGES_PATH, fdt_strerror(images_noffset)); 1928 return; 1929 } 1930 1931 /* Process its subnodes, print out component images details */ 1932 for (ndepth = 0, count = 0, 1933 noffset = fdt_next_node(fit, images_noffset, &ndepth); 1934 (noffset >= 0) && (ndepth > 0); 1935 noffset = fdt_next_node(fit, noffset, &ndepth)) { 1936 if (ndepth == 1) { 1937 /* 1938 * Direct child node of the images parent node, 1939 * i.e. component image node. 1940 */ 1941 printf("%s Image %u (%s)\n", p, count++, 1942 fit_get_name(fit, noffset, NULL)); 1943 1944 fit_image_print(fit, noffset, p); 1945 } 1946 } 1947 1948 /* Find configurations parent node offset */ 1949 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); 1950 if (confs_noffset < 0) { 1951 debug("Can't get configurations parent node '%s' (%s)\n", 1952 FIT_CONFS_PATH, fdt_strerror(confs_noffset)); 1953 return; 1954 } 1955 1956 /* get default configuration unit name from default property */ 1957 uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL); 1958 if (uname) 1959 printf("%s Default Configuration: '%s'\n", p, uname); 1960 1961 /* Process its subnodes, print out configurations details */ 1962 for (ndepth = 0, count = 0, 1963 noffset = fdt_next_node(fit, confs_noffset, &ndepth); 1964 (noffset >= 0) && (ndepth > 0); 1965 noffset = fdt_next_node(fit, noffset, &ndepth)) { 1966 if (ndepth == 1) { 1967 /* 1968 * Direct child node of the configurations parent node, 1969 * i.e. configuration node. 1970 */ 1971 printf("%s Configuration %u (%s)\n", p, count++, 1972 fit_get_name(fit, noffset, NULL)); 1973 1974 fit_conf_print(fit, noffset, p); 1975 } 1976 } 1977 } 1978 1979 /** 1980 * fit_image_print - prints out the FIT component image details 1981 * @fit: pointer to the FIT format image header 1982 * @image_noffset: offset of the component image node 1983 * @p: pointer to prefix string 1984 * 1985 * fit_image_print() lists all mandatory properies for the processed component 1986 * image. If present, hash nodes are printed out as well. Load 1987 * address for images of type firmware is also printed out. Since the load 1988 * address is not mandatory for firmware images, it will be output as 1989 * "unavailable" when not present. 1990 * 1991 * returns: 1992 * no returned results 1993 */ 1994 void fit_image_print(const void *fit, int image_noffset, const char *p) 1995 { 1996 char *desc; 1997 uint8_t type, arch, os, comp; 1998 size_t size; 1999 ulong load, entry; 2000 const void *data; 2001 int noffset; 2002 int ndepth; 2003 int ret; 2004 2005 /* Mandatory properties */ 2006 ret = fit_get_desc(fit, image_noffset, &desc); 2007 printf("%s Description: ", p); 2008 if (ret) 2009 printf("unavailable\n"); 2010 else 2011 printf("%s\n", desc); 2012 2013 fit_image_get_type(fit, image_noffset, &type); 2014 printf("%s Type: %s\n", p, genimg_get_type_name(type)); 2015 2016 fit_image_get_comp(fit, image_noffset, &comp); 2017 printf("%s Compression: %s\n", p, genimg_get_comp_name(comp)); 2018 2019 ret = fit_image_get_data(fit, image_noffset, &data, &size); 2020 2021 #ifndef USE_HOSTCC 2022 printf("%s Data Start: ", p); 2023 if (ret) 2024 printf("unavailable\n"); 2025 else 2026 printf("0x%08lx\n", (ulong)data); 2027 #endif 2028 2029 printf("%s Data Size: ", p); 2030 if (ret) 2031 printf("unavailable\n"); 2032 else 2033 genimg_print_size(size); 2034 2035 /* Remaining, type dependent properties */ 2036 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 2037 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 2038 (type == IH_TYPE_FLATDT)) { 2039 fit_image_get_arch(fit, image_noffset, &arch); 2040 printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch)); 2041 } 2042 2043 if (type == IH_TYPE_KERNEL) { 2044 fit_image_get_os(fit, image_noffset, &os); 2045 printf("%s OS: %s\n", p, genimg_get_os_name(os)); 2046 } 2047 2048 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 2049 (type == IH_TYPE_FIRMWARE)) { 2050 ret = fit_image_get_load(fit, image_noffset, &load); 2051 printf("%s Load Address: ", p); 2052 if (ret) 2053 printf("unavailable\n"); 2054 else 2055 printf("0x%08lx\n", load); 2056 } 2057 2058 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE)) { 2059 fit_image_get_entry(fit, image_noffset, &entry); 2060 printf("%s Entry Point: ", p); 2061 if (ret) 2062 printf("unavailable\n"); 2063 else 2064 printf("0x%08lx\n", entry); 2065 } 2066 2067 /* Process all hash subnodes of the component image node */ 2068 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth); 2069 (noffset >= 0) && (ndepth > 0); 2070 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2071 if (ndepth == 1) { 2072 /* Direct child node of the component image node */ 2073 fit_image_print_hash(fit, noffset, p); 2074 } 2075 } 2076 } 2077 2078 /** 2079 * fit_image_print_hash - prints out the hash node details 2080 * @fit: pointer to the FIT format image header 2081 * @noffset: offset of the hash node 2082 * @p: pointer to prefix string 2083 * 2084 * fit_image_print_hash() lists properies for the processed hash node 2085 * 2086 * returns: 2087 * no returned results 2088 */ 2089 void fit_image_print_hash(const void *fit, int noffset, const char *p) 2090 { 2091 char *algo; 2092 uint8_t *value; 2093 int value_len; 2094 int i, ret; 2095 2096 /* 2097 * Check subnode name, must be equal to "hash". 2098 * Multiple hash nodes require unique unit node 2099 * names, e.g. hash@1, hash@2, etc. 2100 */ 2101 if (strncmp(fit_get_name(fit, noffset, NULL), 2102 FIT_HASH_NODENAME, 2103 strlen(FIT_HASH_NODENAME)) != 0) 2104 return; 2105 2106 debug("%s Hash node: '%s'\n", p, 2107 fit_get_name(fit, noffset, NULL)); 2108 2109 printf("%s Hash algo: ", p); 2110 if (fit_image_hash_get_algo(fit, noffset, &algo)) { 2111 printf("invalid/unsupported\n"); 2112 return; 2113 } 2114 printf("%s\n", algo); 2115 2116 ret = fit_image_hash_get_value(fit, noffset, &value, 2117 &value_len); 2118 printf("%s Hash value: ", p); 2119 if (ret) { 2120 printf("unavailable\n"); 2121 } else { 2122 for (i = 0; i < value_len; i++) 2123 printf("%02x", value[i]); 2124 printf("\n"); 2125 } 2126 2127 debug("%s Hash len: %d\n", p, value_len); 2128 } 2129 2130 /** 2131 * fit_get_desc - get node description property 2132 * @fit: pointer to the FIT format image header 2133 * @noffset: node offset 2134 * @desc: double pointer to the char, will hold pointer to the descrption 2135 * 2136 * fit_get_desc() reads description property from a given node, if 2137 * description is found pointer to it is returened in third call argument. 2138 * 2139 * returns: 2140 * 0, on success 2141 * -1, on failure 2142 */ 2143 int fit_get_desc(const void *fit, int noffset, char **desc) 2144 { 2145 int len; 2146 2147 *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len); 2148 if (*desc == NULL) { 2149 fit_get_debug(fit, noffset, FIT_DESC_PROP, len); 2150 return -1; 2151 } 2152 2153 return 0; 2154 } 2155 2156 /** 2157 * fit_get_timestamp - get node timestamp property 2158 * @fit: pointer to the FIT format image header 2159 * @noffset: node offset 2160 * @timestamp: pointer to the time_t, will hold read timestamp 2161 * 2162 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 2163 * is found and has a correct size its value is retured in third call 2164 * argument. 2165 * 2166 * returns: 2167 * 0, on success 2168 * -1, on property read failure 2169 * -2, on wrong timestamp size 2170 */ 2171 int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp) 2172 { 2173 int len; 2174 const void *data; 2175 2176 data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len); 2177 if (data == NULL) { 2178 fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len); 2179 return -1; 2180 } 2181 if (len != sizeof(uint32_t)) { 2182 debug("FIT timestamp with incorrect size of (%u)\n", len); 2183 return -2; 2184 } 2185 2186 *timestamp = uimage_to_cpu(*((uint32_t *)data)); 2187 return 0; 2188 } 2189 2190 /** 2191 * fit_image_get_node - get node offset for component image of a given unit name 2192 * @fit: pointer to the FIT format image header 2193 * @image_uname: component image node unit name 2194 * 2195 * fit_image_get_node() finds a component image (withing the '/images' 2196 * node) of a provided unit name. If image is found its node offset is 2197 * returned to the caller. 2198 * 2199 * returns: 2200 * image node offset when found (>=0) 2201 * negative number on failure (FDT_ERR_* code) 2202 */ 2203 int fit_image_get_node(const void *fit, const char *image_uname) 2204 { 2205 int noffset, images_noffset; 2206 2207 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); 2208 if (images_noffset < 0) { 2209 debug("Can't find images parent node '%s' (%s)\n", 2210 FIT_IMAGES_PATH, fdt_strerror(images_noffset)); 2211 return images_noffset; 2212 } 2213 2214 noffset = fdt_subnode_offset(fit, images_noffset, image_uname); 2215 if (noffset < 0) { 2216 debug("Can't get node offset for image unit name: '%s' (%s)\n", 2217 image_uname, fdt_strerror(noffset)); 2218 } 2219 2220 return noffset; 2221 } 2222 2223 /** 2224 * fit_image_get_os - get os id for a given component image node 2225 * @fit: pointer to the FIT format image header 2226 * @noffset: component image node offset 2227 * @os: pointer to the uint8_t, will hold os numeric id 2228 * 2229 * fit_image_get_os() finds os property in a given component image node. 2230 * If the property is found, its (string) value is translated to the numeric 2231 * id which is returned to the caller. 2232 * 2233 * returns: 2234 * 0, on success 2235 * -1, on failure 2236 */ 2237 int fit_image_get_os(const void *fit, int noffset, uint8_t *os) 2238 { 2239 int len; 2240 const void *data; 2241 2242 /* Get OS name from property data */ 2243 data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len); 2244 if (data == NULL) { 2245 fit_get_debug(fit, noffset, FIT_OS_PROP, len); 2246 *os = -1; 2247 return -1; 2248 } 2249 2250 /* Translate OS name to id */ 2251 *os = genimg_get_os_id(data); 2252 return 0; 2253 } 2254 2255 /** 2256 * fit_image_get_arch - get arch id for a given component image node 2257 * @fit: pointer to the FIT format image header 2258 * @noffset: component image node offset 2259 * @arch: pointer to the uint8_t, will hold arch numeric id 2260 * 2261 * fit_image_get_arch() finds arch property in a given component image node. 2262 * If the property is found, its (string) value is translated to the numeric 2263 * id which is returned to the caller. 2264 * 2265 * returns: 2266 * 0, on success 2267 * -1, on failure 2268 */ 2269 int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch) 2270 { 2271 int len; 2272 const void *data; 2273 2274 /* Get architecture name from property data */ 2275 data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len); 2276 if (data == NULL) { 2277 fit_get_debug(fit, noffset, FIT_ARCH_PROP, len); 2278 *arch = -1; 2279 return -1; 2280 } 2281 2282 /* Translate architecture name to id */ 2283 *arch = genimg_get_arch_id(data); 2284 return 0; 2285 } 2286 2287 /** 2288 * fit_image_get_type - get type id for a given component image node 2289 * @fit: pointer to the FIT format image header 2290 * @noffset: component image node offset 2291 * @type: pointer to the uint8_t, will hold type numeric id 2292 * 2293 * fit_image_get_type() finds type property in a given component image node. 2294 * If the property is found, its (string) value is translated to the numeric 2295 * id which is returned to the caller. 2296 * 2297 * returns: 2298 * 0, on success 2299 * -1, on failure 2300 */ 2301 int fit_image_get_type(const void *fit, int noffset, uint8_t *type) 2302 { 2303 int len; 2304 const void *data; 2305 2306 /* Get image type name from property data */ 2307 data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len); 2308 if (data == NULL) { 2309 fit_get_debug(fit, noffset, FIT_TYPE_PROP, len); 2310 *type = -1; 2311 return -1; 2312 } 2313 2314 /* Translate image type name to id */ 2315 *type = genimg_get_type_id(data); 2316 return 0; 2317 } 2318 2319 /** 2320 * fit_image_get_comp - get comp id for a given component image node 2321 * @fit: pointer to the FIT format image header 2322 * @noffset: component image node offset 2323 * @comp: pointer to the uint8_t, will hold comp numeric id 2324 * 2325 * fit_image_get_comp() finds comp property in a given component image node. 2326 * If the property is found, its (string) value is translated to the numeric 2327 * id which is returned to the caller. 2328 * 2329 * returns: 2330 * 0, on success 2331 * -1, on failure 2332 */ 2333 int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp) 2334 { 2335 int len; 2336 const void *data; 2337 2338 /* Get compression name from property data */ 2339 data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len); 2340 if (data == NULL) { 2341 fit_get_debug(fit, noffset, FIT_COMP_PROP, len); 2342 *comp = -1; 2343 return -1; 2344 } 2345 2346 /* Translate compression name to id */ 2347 *comp = genimg_get_comp_id(data); 2348 return 0; 2349 } 2350 2351 /** 2352 * fit_image_get_load - get load address property for a given component image node 2353 * @fit: pointer to the FIT format image header 2354 * @noffset: component image node offset 2355 * @load: pointer to the uint32_t, will hold load address 2356 * 2357 * fit_image_get_load() finds load address property in a given component image node. 2358 * If the property is found, its value is returned to the caller. 2359 * 2360 * returns: 2361 * 0, on success 2362 * -1, on failure 2363 */ 2364 int fit_image_get_load(const void *fit, int noffset, ulong *load) 2365 { 2366 int len; 2367 const uint32_t *data; 2368 2369 data = fdt_getprop(fit, noffset, FIT_LOAD_PROP, &len); 2370 if (data == NULL) { 2371 fit_get_debug(fit, noffset, FIT_LOAD_PROP, len); 2372 return -1; 2373 } 2374 2375 *load = uimage_to_cpu(*data); 2376 return 0; 2377 } 2378 2379 /** 2380 * fit_image_get_entry - get entry point address property for a given component image node 2381 * @fit: pointer to the FIT format image header 2382 * @noffset: component image node offset 2383 * @entry: pointer to the uint32_t, will hold entry point address 2384 * 2385 * fit_image_get_entry() finds entry point address property in a given component image node. 2386 * If the property is found, its value is returned to the caller. 2387 * 2388 * returns: 2389 * 0, on success 2390 * -1, on failure 2391 */ 2392 int fit_image_get_entry(const void *fit, int noffset, ulong *entry) 2393 { 2394 int len; 2395 const uint32_t *data; 2396 2397 data = fdt_getprop(fit, noffset, FIT_ENTRY_PROP, &len); 2398 if (data == NULL) { 2399 fit_get_debug(fit, noffset, FIT_ENTRY_PROP, len); 2400 return -1; 2401 } 2402 2403 *entry = uimage_to_cpu(*data); 2404 return 0; 2405 } 2406 2407 /** 2408 * fit_image_get_data - get data property and its size for a given component image node 2409 * @fit: pointer to the FIT format image header 2410 * @noffset: component image node offset 2411 * @data: double pointer to void, will hold data property's data address 2412 * @size: pointer to size_t, will hold data property's data size 2413 * 2414 * fit_image_get_data() finds data property in a given component image node. 2415 * If the property is found its data start address and size are returned to 2416 * the caller. 2417 * 2418 * returns: 2419 * 0, on success 2420 * -1, on failure 2421 */ 2422 int fit_image_get_data(const void *fit, int noffset, 2423 const void **data, size_t *size) 2424 { 2425 int len; 2426 2427 *data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len); 2428 if (*data == NULL) { 2429 fit_get_debug(fit, noffset, FIT_DATA_PROP, len); 2430 *size = 0; 2431 return -1; 2432 } 2433 2434 *size = len; 2435 return 0; 2436 } 2437 2438 /** 2439 * fit_image_hash_get_algo - get hash algorithm name 2440 * @fit: pointer to the FIT format image header 2441 * @noffset: hash node offset 2442 * @algo: double pointer to char, will hold pointer to the algorithm name 2443 * 2444 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 2445 * If the property is found its data start address is returned to the caller. 2446 * 2447 * returns: 2448 * 0, on success 2449 * -1, on failure 2450 */ 2451 int fit_image_hash_get_algo(const void *fit, int noffset, char **algo) 2452 { 2453 int len; 2454 2455 *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len); 2456 if (*algo == NULL) { 2457 fit_get_debug(fit, noffset, FIT_ALGO_PROP, len); 2458 return -1; 2459 } 2460 2461 return 0; 2462 } 2463 2464 /** 2465 * fit_image_hash_get_value - get hash value and length 2466 * @fit: pointer to the FIT format image header 2467 * @noffset: hash node offset 2468 * @value: double pointer to uint8_t, will hold address of a hash value data 2469 * @value_len: pointer to an int, will hold hash data length 2470 * 2471 * fit_image_hash_get_value() finds hash value property in a given hash node. 2472 * If the property is found its data start address and size are returned to 2473 * the caller. 2474 * 2475 * returns: 2476 * 0, on success 2477 * -1, on failure 2478 */ 2479 int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value, 2480 int *value_len) 2481 { 2482 int len; 2483 2484 *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len); 2485 if (*value == NULL) { 2486 fit_get_debug(fit, noffset, FIT_VALUE_PROP, len); 2487 *value_len = 0; 2488 return -1; 2489 } 2490 2491 *value_len = len; 2492 return 0; 2493 } 2494 2495 /** 2496 * fit_set_timestamp - set node timestamp property 2497 * @fit: pointer to the FIT format image header 2498 * @noffset: node offset 2499 * @timestamp: timestamp value to be set 2500 * 2501 * fit_set_timestamp() attempts to set timestamp property in the requested 2502 * node and returns operation status to the caller. 2503 * 2504 * returns: 2505 * 0, on success 2506 * -1, on property read failure 2507 */ 2508 int fit_set_timestamp(void *fit, int noffset, time_t timestamp) 2509 { 2510 uint32_t t; 2511 int ret; 2512 2513 t = cpu_to_uimage(timestamp); 2514 ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t, 2515 sizeof(uint32_t)); 2516 if (ret) { 2517 printf("Can't set '%s' property for '%s' node (%s)\n", 2518 FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL), 2519 fdt_strerror(ret)); 2520 return -1; 2521 } 2522 2523 return 0; 2524 } 2525 2526 /** 2527 * calculate_hash - calculate and return hash for provided input data 2528 * @data: pointer to the input data 2529 * @data_len: data length 2530 * @algo: requested hash algorithm 2531 * @value: pointer to the char, will hold hash value data (caller must 2532 * allocate enough free space) 2533 * value_len: length of the calculated hash 2534 * 2535 * calculate_hash() computes input data hash according to the requested algorithm. 2536 * Resulting hash value is placed in caller provided 'value' buffer, length 2537 * of the calculated hash is returned via value_len pointer argument. 2538 * 2539 * returns: 2540 * 0, on success 2541 * -1, when algo is unsupported 2542 */ 2543 static int calculate_hash(const void *data, int data_len, const char *algo, 2544 uint8_t *value, int *value_len) 2545 { 2546 if (strcmp(algo, "crc32") == 0) { 2547 *((uint32_t *)value) = crc32_wd(0, data, data_len, 2548 CHUNKSZ_CRC32); 2549 *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value)); 2550 *value_len = 4; 2551 } else if (strcmp(algo, "sha1") == 0) { 2552 sha1_csum_wd((unsigned char *) data, data_len, 2553 (unsigned char *) value, CHUNKSZ_SHA1); 2554 *value_len = 20; 2555 } else if (strcmp(algo, "md5") == 0) { 2556 md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5); 2557 *value_len = 16; 2558 } else { 2559 debug("Unsupported hash alogrithm\n"); 2560 return -1; 2561 } 2562 return 0; 2563 } 2564 2565 #ifdef USE_HOSTCC 2566 /** 2567 * fit_set_hashes - process FIT component image nodes and calculate hashes 2568 * @fit: pointer to the FIT format image header 2569 * 2570 * fit_set_hashes() adds hash values for all component images in the FIT blob. 2571 * Hashes are calculated for all component images which have hash subnodes 2572 * with algorithm property set to one of the supported hash algorithms. 2573 * 2574 * returns 2575 * 0, on success 2576 * libfdt error code, on failure 2577 */ 2578 int fit_set_hashes(void *fit) 2579 { 2580 int images_noffset; 2581 int noffset; 2582 int ndepth; 2583 int ret; 2584 2585 /* Find images parent node offset */ 2586 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); 2587 if (images_noffset < 0) { 2588 printf("Can't find images parent node '%s' (%s)\n", 2589 FIT_IMAGES_PATH, fdt_strerror(images_noffset)); 2590 return images_noffset; 2591 } 2592 2593 /* Process its subnodes, print out component images details */ 2594 for (ndepth = 0, noffset = fdt_next_node(fit, images_noffset, &ndepth); 2595 (noffset >= 0) && (ndepth > 0); 2596 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2597 if (ndepth == 1) { 2598 /* 2599 * Direct child node of the images parent node, 2600 * i.e. component image node. 2601 */ 2602 ret = fit_image_set_hashes(fit, noffset); 2603 if (ret) 2604 return ret; 2605 } 2606 } 2607 2608 return 0; 2609 } 2610 2611 /** 2612 * fit_image_set_hashes - calculate/set hashes for given component image node 2613 * @fit: pointer to the FIT format image header 2614 * @image_noffset: requested component image node 2615 * 2616 * fit_image_set_hashes() adds hash values for an component image node. All 2617 * existing hash subnodes are checked, if algorithm property is set to one of 2618 * the supported hash algorithms, hash value is computed and corresponding 2619 * hash node property is set, for example: 2620 * 2621 * Input component image node structure: 2622 * 2623 * o image@1 (at image_noffset) 2624 * | - data = [binary data] 2625 * o hash@1 2626 * |- algo = "sha1" 2627 * 2628 * Output component image node structure: 2629 * 2630 * o image@1 (at image_noffset) 2631 * | - data = [binary data] 2632 * o hash@1 2633 * |- algo = "sha1" 2634 * |- value = sha1(data) 2635 * 2636 * returns: 2637 * 0 on sucess 2638 * <0 on failure 2639 */ 2640 int fit_image_set_hashes(void *fit, int image_noffset) 2641 { 2642 const void *data; 2643 size_t size; 2644 char *algo; 2645 uint8_t value[FIT_MAX_HASH_LEN]; 2646 int value_len; 2647 int noffset; 2648 int ndepth; 2649 2650 /* Get image data and data length */ 2651 if (fit_image_get_data(fit, image_noffset, &data, &size)) { 2652 printf("Can't get image data/size\n"); 2653 return -1; 2654 } 2655 2656 /* Process all hash subnodes of the component image node */ 2657 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth); 2658 (noffset >= 0) && (ndepth > 0); 2659 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2660 if (ndepth == 1) { 2661 /* Direct child node of the component image node */ 2662 2663 /* 2664 * Check subnode name, must be equal to "hash". 2665 * Multiple hash nodes require unique unit node 2666 * names, e.g. hash@1, hash@2, etc. 2667 */ 2668 if (strncmp(fit_get_name(fit, noffset, NULL), 2669 FIT_HASH_NODENAME, 2670 strlen(FIT_HASH_NODENAME)) != 0) { 2671 /* Not a hash subnode, skip it */ 2672 continue; 2673 } 2674 2675 if (fit_image_hash_get_algo(fit, noffset, &algo)) { 2676 printf("Can't get hash algo property for " 2677 "'%s' hash node in '%s' image node\n", 2678 fit_get_name(fit, noffset, NULL), 2679 fit_get_name(fit, image_noffset, NULL)); 2680 return -1; 2681 } 2682 2683 if (calculate_hash(data, size, algo, value, 2684 &value_len)) { 2685 printf("Unsupported hash algorithm (%s) for " 2686 "'%s' hash node in '%s' image node\n", 2687 algo, fit_get_name(fit, noffset, NULL), 2688 fit_get_name(fit, image_noffset, 2689 NULL)); 2690 return -1; 2691 } 2692 2693 if (fit_image_hash_set_value(fit, noffset, value, 2694 value_len)) { 2695 printf("Can't set hash value for " 2696 "'%s' hash node in '%s' image node\n", 2697 fit_get_name(fit, noffset, NULL), 2698 fit_get_name(fit, image_noffset, NULL)); 2699 return -1; 2700 } 2701 } 2702 } 2703 2704 return 0; 2705 } 2706 2707 /** 2708 * fit_image_hash_set_value - set hash value in requested has node 2709 * @fit: pointer to the FIT format image header 2710 * @noffset: hash node offset 2711 * @value: hash value to be set 2712 * @value_len: hash value length 2713 * 2714 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2715 * given and returns operation status to the caller. 2716 * 2717 * returns 2718 * 0, on success 2719 * -1, on failure 2720 */ 2721 int fit_image_hash_set_value(void *fit, int noffset, uint8_t *value, 2722 int value_len) 2723 { 2724 int ret; 2725 2726 ret = fdt_setprop(fit, noffset, FIT_VALUE_PROP, value, value_len); 2727 if (ret) { 2728 printf("Can't set hash '%s' property for '%s' node(%s)\n", 2729 FIT_VALUE_PROP, fit_get_name(fit, noffset, NULL), 2730 fdt_strerror(ret)); 2731 return -1; 2732 } 2733 2734 return 0; 2735 } 2736 #endif /* USE_HOSTCC */ 2737 2738 /** 2739 * fit_image_check_hashes - verify data intergity 2740 * @fit: pointer to the FIT format image header 2741 * @image_noffset: component image node offset 2742 * 2743 * fit_image_check_hashes() goes over component image hash nodes, 2744 * re-calculates each data hash and compares with the value stored in hash 2745 * node. 2746 * 2747 * returns: 2748 * 1, if all hashes are valid 2749 * 0, otherwise (or on error) 2750 */ 2751 int fit_image_check_hashes(const void *fit, int image_noffset) 2752 { 2753 const void *data; 2754 size_t size; 2755 char *algo; 2756 uint8_t *fit_value; 2757 int fit_value_len; 2758 uint8_t value[FIT_MAX_HASH_LEN]; 2759 int value_len; 2760 int noffset; 2761 int ndepth; 2762 char *err_msg = ""; 2763 2764 /* Get image data and data length */ 2765 if (fit_image_get_data(fit, image_noffset, &data, &size)) { 2766 printf("Can't get image data/size\n"); 2767 return 0; 2768 } 2769 2770 /* Process all hash subnodes of the component image node */ 2771 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth); 2772 (noffset >= 0) && (ndepth > 0); 2773 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2774 if (ndepth == 1) { 2775 /* Direct child node of the component image node */ 2776 2777 /* 2778 * Check subnode name, must be equal to "hash". 2779 * Multiple hash nodes require unique unit node 2780 * names, e.g. hash@1, hash@2, etc. 2781 */ 2782 if (strncmp(fit_get_name(fit, noffset, NULL), 2783 FIT_HASH_NODENAME, 2784 strlen(FIT_HASH_NODENAME)) != 0) 2785 continue; 2786 2787 if (fit_image_hash_get_algo(fit, noffset, &algo)) { 2788 err_msg = " error!\nCan't get hash algo " 2789 "property"; 2790 goto error; 2791 } 2792 printf("%s", algo); 2793 2794 if (fit_image_hash_get_value(fit, noffset, &fit_value, 2795 &fit_value_len)) { 2796 err_msg = " error!\nCan't get hash value " 2797 "property"; 2798 goto error; 2799 } 2800 2801 if (calculate_hash(data, size, algo, value, 2802 &value_len)) { 2803 err_msg = " error!\n" 2804 "Unsupported hash algorithm"; 2805 goto error; 2806 } 2807 2808 if (value_len != fit_value_len) { 2809 err_msg = " error !\nBad hash value len"; 2810 goto error; 2811 } else if (memcmp(value, fit_value, value_len) != 0) { 2812 err_msg = " error!\nBad hash value"; 2813 goto error; 2814 } 2815 printf("+ "); 2816 } 2817 } 2818 2819 return 1; 2820 2821 error: 2822 printf("%s for '%s' hash node in '%s' image node\n", 2823 err_msg, fit_get_name(fit, noffset, NULL), 2824 fit_get_name(fit, image_noffset, NULL)); 2825 return 0; 2826 } 2827 2828 /** 2829 * fit_all_image_check_hashes - verify data intergity for all images 2830 * @fit: pointer to the FIT format image header 2831 * 2832 * fit_all_image_check_hashes() goes over all images in the FIT and 2833 * for every images checks if all it's hashes are valid. 2834 * 2835 * returns: 2836 * 1, if all hashes of all images are valid 2837 * 0, otherwise (or on error) 2838 */ 2839 int fit_all_image_check_hashes(const void *fit) 2840 { 2841 int images_noffset; 2842 int noffset; 2843 int ndepth; 2844 int count; 2845 2846 /* Find images parent node offset */ 2847 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); 2848 if (images_noffset < 0) { 2849 printf("Can't find images parent node '%s' (%s)\n", 2850 FIT_IMAGES_PATH, fdt_strerror(images_noffset)); 2851 return 0; 2852 } 2853 2854 /* Process all image subnodes, check hashes for each */ 2855 printf("## Checking hash(es) for FIT Image at %08lx ...\n", 2856 (ulong)fit); 2857 for (ndepth = 0, count = 0, 2858 noffset = fdt_next_node(fit, images_noffset, &ndepth); 2859 (noffset >= 0) && (ndepth > 0); 2860 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2861 if (ndepth == 1) { 2862 /* 2863 * Direct child node of the images parent node, 2864 * i.e. component image node. 2865 */ 2866 printf(" Hash(es) for Image %u (%s): ", count++, 2867 fit_get_name(fit, noffset, NULL)); 2868 2869 if (!fit_image_check_hashes(fit, noffset)) 2870 return 0; 2871 printf("\n"); 2872 } 2873 } 2874 return 1; 2875 } 2876 2877 /** 2878 * fit_image_check_os - check whether image node is of a given os type 2879 * @fit: pointer to the FIT format image header 2880 * @noffset: component image node offset 2881 * @os: requested image os 2882 * 2883 * fit_image_check_os() reads image os property and compares its numeric 2884 * id with the requested os. Comparison result is returned to the caller. 2885 * 2886 * returns: 2887 * 1 if image is of given os type 2888 * 0 otherwise (or on error) 2889 */ 2890 int fit_image_check_os(const void *fit, int noffset, uint8_t os) 2891 { 2892 uint8_t image_os; 2893 2894 if (fit_image_get_os(fit, noffset, &image_os)) 2895 return 0; 2896 return (os == image_os); 2897 } 2898 2899 /** 2900 * fit_image_check_arch - check whether image node is of a given arch 2901 * @fit: pointer to the FIT format image header 2902 * @noffset: component image node offset 2903 * @arch: requested imagearch 2904 * 2905 * fit_image_check_arch() reads image arch property and compares its numeric 2906 * id with the requested arch. Comparison result is returned to the caller. 2907 * 2908 * returns: 2909 * 1 if image is of given arch 2910 * 0 otherwise (or on error) 2911 */ 2912 int fit_image_check_arch(const void *fit, int noffset, uint8_t arch) 2913 { 2914 uint8_t image_arch; 2915 2916 if (fit_image_get_arch(fit, noffset, &image_arch)) 2917 return 0; 2918 return (arch == image_arch); 2919 } 2920 2921 /** 2922 * fit_image_check_type - check whether image node is of a given type 2923 * @fit: pointer to the FIT format image header 2924 * @noffset: component image node offset 2925 * @type: requested image type 2926 * 2927 * fit_image_check_type() reads image type property and compares its numeric 2928 * id with the requested type. Comparison result is returned to the caller. 2929 * 2930 * returns: 2931 * 1 if image is of given type 2932 * 0 otherwise (or on error) 2933 */ 2934 int fit_image_check_type(const void *fit, int noffset, uint8_t type) 2935 { 2936 uint8_t image_type; 2937 2938 if (fit_image_get_type(fit, noffset, &image_type)) 2939 return 0; 2940 return (type == image_type); 2941 } 2942 2943 /** 2944 * fit_image_check_comp - check whether image node uses given compression 2945 * @fit: pointer to the FIT format image header 2946 * @noffset: component image node offset 2947 * @comp: requested image compression type 2948 * 2949 * fit_image_check_comp() reads image compression property and compares its 2950 * numeric id with the requested compression type. Comparison result is 2951 * returned to the caller. 2952 * 2953 * returns: 2954 * 1 if image uses requested compression 2955 * 0 otherwise (or on error) 2956 */ 2957 int fit_image_check_comp(const void *fit, int noffset, uint8_t comp) 2958 { 2959 uint8_t image_comp; 2960 2961 if (fit_image_get_comp(fit, noffset, &image_comp)) 2962 return 0; 2963 return (comp == image_comp); 2964 } 2965 2966 /** 2967 * fit_check_format - sanity check FIT image format 2968 * @fit: pointer to the FIT format image header 2969 * 2970 * fit_check_format() runs a basic sanity FIT image verification. 2971 * Routine checks for mandatory properties, nodes, etc. 2972 * 2973 * returns: 2974 * 1, on success 2975 * 0, on failure 2976 */ 2977 int fit_check_format(const void *fit) 2978 { 2979 /* mandatory / node 'description' property */ 2980 if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) { 2981 debug("Wrong FIT format: no description\n"); 2982 return 0; 2983 } 2984 2985 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 2986 /* mandatory / node 'timestamp' property */ 2987 if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 2988 debug("Wrong FIT format: no timestamp\n"); 2989 return 0; 2990 } 2991 #endif 2992 2993 /* mandatory subimages parent '/images' node */ 2994 if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) { 2995 debug("Wrong FIT format: no images parent node\n"); 2996 return 0; 2997 } 2998 2999 return 1; 3000 } 3001 3002 /** 3003 * fit_conf_get_node - get node offset for configuration of a given unit name 3004 * @fit: pointer to the FIT format image header 3005 * @conf_uname: configuration node unit name 3006 * 3007 * fit_conf_get_node() finds a configuration (withing the '/configurations' 3008 * parant node) of a provided unit name. If configuration is found its node offset 3009 * is returned to the caller. 3010 * 3011 * When NULL is provided in second argument fit_conf_get_node() will search 3012 * for a default configuration node instead. Default configuration node unit name 3013 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 3014 * 3015 * returns: 3016 * configuration node offset when found (>=0) 3017 * negative number on failure (FDT_ERR_* code) 3018 */ 3019 int fit_conf_get_node(const void *fit, const char *conf_uname) 3020 { 3021 int noffset, confs_noffset; 3022 int len; 3023 3024 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); 3025 if (confs_noffset < 0) { 3026 debug("Can't find configurations parent node '%s' (%s)\n", 3027 FIT_CONFS_PATH, fdt_strerror(confs_noffset)); 3028 return confs_noffset; 3029 } 3030 3031 if (conf_uname == NULL) { 3032 /* get configuration unit name from the default property */ 3033 debug("No configuration specified, trying default...\n"); 3034 conf_uname = (char *)fdt_getprop(fit, confs_noffset, 3035 FIT_DEFAULT_PROP, &len); 3036 if (conf_uname == NULL) { 3037 fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP, 3038 len); 3039 return len; 3040 } 3041 debug("Found default configuration: '%s'\n", conf_uname); 3042 } 3043 3044 noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname); 3045 if (noffset < 0) { 3046 debug("Can't get node offset for configuration unit name: " 3047 "'%s' (%s)\n", 3048 conf_uname, fdt_strerror(noffset)); 3049 } 3050 3051 return noffset; 3052 } 3053 3054 static int __fit_conf_get_prop_node(const void *fit, int noffset, 3055 const char *prop_name) 3056 { 3057 char *uname; 3058 int len; 3059 3060 /* get kernel image unit name from configuration kernel property */ 3061 uname = (char *)fdt_getprop(fit, noffset, prop_name, &len); 3062 if (uname == NULL) 3063 return len; 3064 3065 return fit_image_get_node(fit, uname); 3066 } 3067 3068 /** 3069 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 3070 * a given configuration 3071 * @fit: pointer to the FIT format image header 3072 * @noffset: configuration node offset 3073 * 3074 * fit_conf_get_kernel_node() retrives kernel image node unit name from 3075 * configuration FIT_KERNEL_PROP property and translates it to the node 3076 * offset. 3077 * 3078 * returns: 3079 * image node offset when found (>=0) 3080 * negative number on failure (FDT_ERR_* code) 3081 */ 3082 int fit_conf_get_kernel_node(const void *fit, int noffset) 3083 { 3084 return __fit_conf_get_prop_node(fit, noffset, FIT_KERNEL_PROP); 3085 } 3086 3087 /** 3088 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 3089 * a given configuration 3090 * @fit: pointer to the FIT format image header 3091 * @noffset: configuration node offset 3092 * 3093 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 3094 * configuration FIT_KERNEL_PROP property and translates it to the node 3095 * offset. 3096 * 3097 * returns: 3098 * image node offset when found (>=0) 3099 * negative number on failure (FDT_ERR_* code) 3100 */ 3101 int fit_conf_get_ramdisk_node(const void *fit, int noffset) 3102 { 3103 return __fit_conf_get_prop_node(fit, noffset, FIT_RAMDISK_PROP); 3104 } 3105 3106 /** 3107 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 3108 * a given configuration 3109 * @fit: pointer to the FIT format image header 3110 * @noffset: configuration node offset 3111 * 3112 * fit_conf_get_fdt_node() retrives fdt image node unit name from 3113 * configuration FIT_KERNEL_PROP property and translates it to the node 3114 * offset. 3115 * 3116 * returns: 3117 * image node offset when found (>=0) 3118 * negative number on failure (FDT_ERR_* code) 3119 */ 3120 int fit_conf_get_fdt_node(const void *fit, int noffset) 3121 { 3122 return __fit_conf_get_prop_node(fit, noffset, FIT_FDT_PROP); 3123 } 3124 3125 /** 3126 * fit_conf_print - prints out the FIT configuration details 3127 * @fit: pointer to the FIT format image header 3128 * @noffset: offset of the configuration node 3129 * @p: pointer to prefix string 3130 * 3131 * fit_conf_print() lists all mandatory properies for the processed 3132 * configuration node. 3133 * 3134 * returns: 3135 * no returned results 3136 */ 3137 void fit_conf_print(const void *fit, int noffset, const char *p) 3138 { 3139 char *desc; 3140 char *uname; 3141 int ret; 3142 3143 /* Mandatory properties */ 3144 ret = fit_get_desc(fit, noffset, &desc); 3145 printf("%s Description: ", p); 3146 if (ret) 3147 printf("unavailable\n"); 3148 else 3149 printf("%s\n", desc); 3150 3151 uname = (char *)fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL); 3152 printf("%s Kernel: ", p); 3153 if (uname == NULL) 3154 printf("unavailable\n"); 3155 else 3156 printf("%s\n", uname); 3157 3158 /* Optional properties */ 3159 uname = (char *)fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL); 3160 if (uname) 3161 printf("%s Init Ramdisk: %s\n", p, uname); 3162 3163 uname = (char *)fdt_getprop(fit, noffset, FIT_FDT_PROP, NULL); 3164 if (uname) 3165 printf("%s FDT: %s\n", p, uname); 3166 } 3167 3168 /** 3169 * fit_check_ramdisk - verify FIT format ramdisk subimage 3170 * @fit_hdr: pointer to the FIT ramdisk header 3171 * @rd_noffset: ramdisk subimage node offset within FIT image 3172 * @arch: requested ramdisk image architecture type 3173 * @verify: data CRC verification flag 3174 * 3175 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 3176 * specified FIT image. 3177 * 3178 * returns: 3179 * 1, on success 3180 * 0, on failure 3181 */ 3182 #ifndef USE_HOSTCC 3183 static int fit_check_ramdisk(const void *fit, int rd_noffset, uint8_t arch, 3184 int verify) 3185 { 3186 fit_image_print(fit, rd_noffset, " "); 3187 3188 if (verify) { 3189 puts(" Verifying Hash Integrity ... "); 3190 if (!fit_image_check_hashes(fit, rd_noffset)) { 3191 puts("Bad Data Hash\n"); 3192 bootstage_error(BOOTSTAGE_ID_FIT_RD_HASH); 3193 return 0; 3194 } 3195 puts("OK\n"); 3196 } 3197 3198 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL); 3199 if (!fit_image_check_os(fit, rd_noffset, IH_OS_LINUX) || 3200 !fit_image_check_arch(fit, rd_noffset, arch) || 3201 !fit_image_check_type(fit, rd_noffset, IH_TYPE_RAMDISK)) { 3202 printf("No Linux %s Ramdisk Image\n", 3203 genimg_get_arch_name(arch)); 3204 bootstage_error(BOOTSTAGE_ID_FIT_RD_CHECK_ALL); 3205 return 0; 3206 } 3207 3208 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL_OK); 3209 return 1; 3210 } 3211 #endif /* USE_HOSTCC */ 3212 #endif /* CONFIG_FIT */ 3213