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 <environment.h> 47 #include <image.h> 48 49 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 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_PBLIMAGE, "pblimage", "Freescale PBL Boot Image",}, 147 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 148 { IH_TYPE_SCRIPT, "script", "Script", }, 149 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 150 { IH_TYPE_UBLIMAGE, "ublimage", "Davinci UBL image",}, 151 { -1, "", "", }, 152 }; 153 154 static const table_entry_t uimage_comp[] = { 155 { IH_COMP_NONE, "none", "uncompressed", }, 156 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 157 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 158 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 159 { IH_COMP_LZO, "lzo", "lzo compressed", }, 160 { -1, "", "", }, 161 }; 162 163 uint32_t crc32(uint32_t, const unsigned char *, uint); 164 uint32_t crc32_wd(uint32_t, const unsigned char *, uint, uint); 165 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 166 static void genimg_print_time(time_t timestamp); 167 #endif 168 169 /*****************************************************************************/ 170 /* Legacy format routines */ 171 /*****************************************************************************/ 172 int image_check_hcrc(const image_header_t *hdr) 173 { 174 ulong hcrc; 175 ulong len = image_get_header_size(); 176 image_header_t header; 177 178 /* Copy header so we can blank CRC field for re-calculation */ 179 memmove(&header, (char *)hdr, image_get_header_size()); 180 image_set_hcrc(&header, 0); 181 182 hcrc = crc32(0, (unsigned char *)&header, len); 183 184 return (hcrc == image_get_hcrc(hdr)); 185 } 186 187 int image_check_dcrc(const image_header_t *hdr) 188 { 189 ulong data = image_get_data(hdr); 190 ulong len = image_get_data_size(hdr); 191 ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32); 192 193 return (dcrc == image_get_dcrc(hdr)); 194 } 195 196 /** 197 * image_multi_count - get component (sub-image) count 198 * @hdr: pointer to the header of the multi component image 199 * 200 * image_multi_count() returns number of components in a multi 201 * component image. 202 * 203 * Note: no checking of the image type is done, caller must pass 204 * a valid multi component image. 205 * 206 * returns: 207 * number of components 208 */ 209 ulong image_multi_count(const image_header_t *hdr) 210 { 211 ulong i, count = 0; 212 uint32_t *size; 213 214 /* get start of the image payload, which in case of multi 215 * component images that points to a table of component sizes */ 216 size = (uint32_t *)image_get_data(hdr); 217 218 /* count non empty slots */ 219 for (i = 0; size[i]; ++i) 220 count++; 221 222 return count; 223 } 224 225 /** 226 * image_multi_getimg - get component data address and size 227 * @hdr: pointer to the header of the multi component image 228 * @idx: index of the requested component 229 * @data: pointer to a ulong variable, will hold component data address 230 * @len: pointer to a ulong variable, will hold component size 231 * 232 * image_multi_getimg() returns size and data address for the requested 233 * component in a multi component image. 234 * 235 * Note: no checking of the image type is done, caller must pass 236 * a valid multi component image. 237 * 238 * returns: 239 * data address and size of the component, if idx is valid 240 * 0 in data and len, if idx is out of range 241 */ 242 void image_multi_getimg(const image_header_t *hdr, ulong idx, 243 ulong *data, ulong *len) 244 { 245 int i; 246 uint32_t *size; 247 ulong offset, count, img_data; 248 249 /* get number of component */ 250 count = image_multi_count(hdr); 251 252 /* get start of the image payload, which in case of multi 253 * component images that points to a table of component sizes */ 254 size = (uint32_t *)image_get_data(hdr); 255 256 /* get address of the proper component data start, which means 257 * skipping sizes table (add 1 for last, null entry) */ 258 img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t); 259 260 if (idx < count) { 261 *len = uimage_to_cpu(size[idx]); 262 offset = 0; 263 264 /* go over all indices preceding requested component idx */ 265 for (i = 0; i < idx; i++) { 266 /* add up i-th component size, rounding up to 4 bytes */ 267 offset += (uimage_to_cpu(size[i]) + 3) & ~3 ; 268 } 269 270 /* calculate idx-th component data address */ 271 *data = img_data + offset; 272 } else { 273 *len = 0; 274 *data = 0; 275 } 276 } 277 278 static void image_print_type(const image_header_t *hdr) 279 { 280 const char *os, *arch, *type, *comp; 281 282 os = genimg_get_os_name(image_get_os(hdr)); 283 arch = genimg_get_arch_name(image_get_arch(hdr)); 284 type = genimg_get_type_name(image_get_type(hdr)); 285 comp = genimg_get_comp_name(image_get_comp(hdr)); 286 287 printf("%s %s %s (%s)\n", arch, os, type, comp); 288 } 289 290 /** 291 * image_print_contents - prints out the contents of the legacy format image 292 * @ptr: pointer to the legacy format image header 293 * @p: pointer to prefix string 294 * 295 * image_print_contents() formats a multi line legacy image contents description. 296 * The routine prints out all header fields followed by the size/offset data 297 * for MULTI/SCRIPT images. 298 * 299 * returns: 300 * no returned results 301 */ 302 void image_print_contents(const void *ptr) 303 { 304 const image_header_t *hdr = (const image_header_t *)ptr; 305 const char *p; 306 307 #ifdef USE_HOSTCC 308 p = ""; 309 #else 310 p = " "; 311 #endif 312 313 printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr)); 314 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 315 printf("%sCreated: ", p); 316 genimg_print_time((time_t)image_get_time(hdr)); 317 #endif 318 printf("%sImage Type: ", p); 319 image_print_type(hdr); 320 printf("%sData Size: ", p); 321 genimg_print_size(image_get_data_size(hdr)); 322 printf("%sLoad Address: %08x\n", p, image_get_load(hdr)); 323 printf("%sEntry Point: %08x\n", p, image_get_ep(hdr)); 324 325 if (image_check_type(hdr, IH_TYPE_MULTI) || 326 image_check_type(hdr, IH_TYPE_SCRIPT)) { 327 int i; 328 ulong data, len; 329 ulong count = image_multi_count(hdr); 330 331 printf("%sContents:\n", p); 332 for (i = 0; i < count; i++) { 333 image_multi_getimg(hdr, i, &data, &len); 334 335 printf("%s Image %d: ", p, i); 336 genimg_print_size(len); 337 338 if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) { 339 /* 340 * the user may need to know offsets 341 * if planning to do something with 342 * multiple files 343 */ 344 printf("%s Offset = 0x%08lx\n", p, data); 345 } 346 } 347 } 348 } 349 350 351 #ifndef USE_HOSTCC 352 /** 353 * image_get_ramdisk - get and verify ramdisk image 354 * @rd_addr: ramdisk image start address 355 * @arch: expected ramdisk architecture 356 * @verify: checksum verification flag 357 * 358 * image_get_ramdisk() returns a pointer to the verified ramdisk image 359 * header. Routine receives image start address and expected architecture 360 * flag. Verification done covers data and header integrity and os/type/arch 361 * fields checking. 362 * 363 * If dataflash support is enabled routine checks for dataflash addresses 364 * and handles required dataflash reads. 365 * 366 * returns: 367 * pointer to a ramdisk image header, if image was found and valid 368 * otherwise, return NULL 369 */ 370 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 371 int verify) 372 { 373 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 374 375 if (!image_check_magic(rd_hdr)) { 376 puts("Bad Magic Number\n"); 377 bootstage_error(BOOTSTAGE_ID_RD_MAGIC); 378 return NULL; 379 } 380 381 if (!image_check_hcrc(rd_hdr)) { 382 puts("Bad Header Checksum\n"); 383 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 384 return NULL; 385 } 386 387 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC); 388 image_print_contents(rd_hdr); 389 390 if (verify) { 391 puts(" Verifying Checksum ... "); 392 if (!image_check_dcrc(rd_hdr)) { 393 puts("Bad Data CRC\n"); 394 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM); 395 return NULL; 396 } 397 puts("OK\n"); 398 } 399 400 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 401 402 if (!image_check_os(rd_hdr, IH_OS_LINUX) || 403 !image_check_arch(rd_hdr, arch) || 404 !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) { 405 printf("No Linux %s Ramdisk Image\n", 406 genimg_get_arch_name(arch)); 407 bootstage_error(BOOTSTAGE_ID_RAMDISK); 408 return NULL; 409 } 410 411 return rd_hdr; 412 } 413 #endif /* !USE_HOSTCC */ 414 415 /*****************************************************************************/ 416 /* Shared dual-format routines */ 417 /*****************************************************************************/ 418 #ifndef USE_HOSTCC 419 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */ 420 ulong save_addr; /* Default Save Address */ 421 ulong save_size; /* Default Save Size (in bytes) */ 422 423 static int on_loadaddr(const char *name, const char *value, enum env_op op, 424 int flags) 425 { 426 switch (op) { 427 case env_op_create: 428 case env_op_overwrite: 429 load_addr = simple_strtoul(value, NULL, 16); 430 break; 431 default: 432 break; 433 } 434 435 return 0; 436 } 437 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr); 438 439 ulong getenv_bootm_low(void) 440 { 441 char *s = getenv("bootm_low"); 442 if (s) { 443 ulong tmp = simple_strtoul(s, NULL, 16); 444 return tmp; 445 } 446 447 #if defined(CONFIG_SYS_SDRAM_BASE) 448 return CONFIG_SYS_SDRAM_BASE; 449 #elif defined(CONFIG_ARM) 450 return gd->bd->bi_dram[0].start; 451 #else 452 return 0; 453 #endif 454 } 455 456 phys_size_t getenv_bootm_size(void) 457 { 458 phys_size_t tmp; 459 char *s = getenv("bootm_size"); 460 if (s) { 461 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 462 return tmp; 463 } 464 s = getenv("bootm_low"); 465 if (s) 466 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 467 else 468 tmp = 0; 469 470 471 #if defined(CONFIG_ARM) 472 return gd->bd->bi_dram[0].size - tmp; 473 #else 474 return gd->bd->bi_memsize - tmp; 475 #endif 476 } 477 478 phys_size_t getenv_bootm_mapsize(void) 479 { 480 phys_size_t tmp; 481 char *s = getenv("bootm_mapsize"); 482 if (s) { 483 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 484 return tmp; 485 } 486 487 #if defined(CONFIG_SYS_BOOTMAPSZ) 488 return CONFIG_SYS_BOOTMAPSZ; 489 #else 490 return getenv_bootm_size(); 491 #endif 492 } 493 494 void memmove_wd(void *to, void *from, size_t len, ulong chunksz) 495 { 496 if (to == from) 497 return; 498 499 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 500 while (len > 0) { 501 size_t tail = (len > chunksz) ? chunksz : len; 502 WATCHDOG_RESET(); 503 memmove(to, from, tail); 504 to += tail; 505 from += tail; 506 len -= tail; 507 } 508 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 509 memmove(to, from, len); 510 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 511 } 512 #endif /* !USE_HOSTCC */ 513 514 void genimg_print_size(uint32_t size) 515 { 516 #ifndef USE_HOSTCC 517 printf("%d Bytes = ", size); 518 print_size(size, "\n"); 519 #else 520 printf("%d Bytes = %.2f kB = %.2f MB\n", 521 size, (double)size / 1.024e3, 522 (double)size / 1.048576e6); 523 #endif 524 } 525 526 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 527 static void genimg_print_time(time_t timestamp) 528 { 529 #ifndef USE_HOSTCC 530 struct rtc_time tm; 531 532 to_tm(timestamp, &tm); 533 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 534 tm.tm_year, tm.tm_mon, tm.tm_mday, 535 tm.tm_hour, tm.tm_min, tm.tm_sec); 536 #else 537 printf("%s", ctime(×tamp)); 538 #endif 539 } 540 #endif /* CONFIG_TIMESTAMP || CONFIG_CMD_DATE || USE_HOSTCC */ 541 542 /** 543 * get_table_entry_name - translate entry id to long name 544 * @table: pointer to a translation table for entries of a specific type 545 * @msg: message to be returned when translation fails 546 * @id: entry id to be translated 547 * 548 * get_table_entry_name() will go over translation table trying to find 549 * entry that matches given id. If matching entry is found, its long 550 * name is returned to the caller. 551 * 552 * returns: 553 * long entry name if translation succeeds 554 * msg otherwise 555 */ 556 char *get_table_entry_name(const table_entry_t *table, char *msg, int id) 557 { 558 for (; table->id >= 0; ++table) { 559 if (table->id == id) 560 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC) 561 return table->lname; 562 #else 563 return table->lname + gd->reloc_off; 564 #endif 565 } 566 return (msg); 567 } 568 569 const char *genimg_get_os_name(uint8_t os) 570 { 571 return (get_table_entry_name(uimage_os, "Unknown OS", os)); 572 } 573 574 const char *genimg_get_arch_name(uint8_t arch) 575 { 576 return (get_table_entry_name(uimage_arch, "Unknown Architecture", 577 arch)); 578 } 579 580 const char *genimg_get_type_name(uint8_t type) 581 { 582 return (get_table_entry_name(uimage_type, "Unknown Image", type)); 583 } 584 585 const char *genimg_get_comp_name(uint8_t comp) 586 { 587 return (get_table_entry_name(uimage_comp, "Unknown Compression", 588 comp)); 589 } 590 591 /** 592 * get_table_entry_id - translate short entry name to id 593 * @table: pointer to a translation table for entries of a specific type 594 * @table_name: to be used in case of error 595 * @name: entry short name to be translated 596 * 597 * get_table_entry_id() will go over translation table trying to find 598 * entry that matches given short name. If matching entry is found, 599 * its id returned to the caller. 600 * 601 * returns: 602 * entry id if translation succeeds 603 * -1 otherwise 604 */ 605 int get_table_entry_id(const table_entry_t *table, 606 const char *table_name, const char *name) 607 { 608 const table_entry_t *t; 609 #ifdef USE_HOSTCC 610 int first = 1; 611 612 for (t = table; t->id >= 0; ++t) { 613 if (t->sname && strcasecmp(t->sname, name) == 0) 614 return(t->id); 615 } 616 617 fprintf(stderr, "\nInvalid %s Type - valid names are", table_name); 618 for (t = table; t->id >= 0; ++t) { 619 if (t->sname == NULL) 620 continue; 621 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname); 622 first = 0; 623 } 624 fprintf(stderr, "\n"); 625 #else 626 for (t = table; t->id >= 0; ++t) { 627 #ifdef CONFIG_NEEDS_MANUAL_RELOC 628 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) 629 #else 630 if (t->sname && strcmp(t->sname, name) == 0) 631 #endif 632 return (t->id); 633 } 634 debug("Invalid %s Type: %s\n", table_name, name); 635 #endif /* USE_HOSTCC */ 636 return (-1); 637 } 638 639 int genimg_get_os_id(const char *name) 640 { 641 return (get_table_entry_id(uimage_os, "OS", name)); 642 } 643 644 int genimg_get_arch_id(const char *name) 645 { 646 return (get_table_entry_id(uimage_arch, "CPU", name)); 647 } 648 649 int genimg_get_type_id(const char *name) 650 { 651 return (get_table_entry_id(uimage_type, "Image", name)); 652 } 653 654 int genimg_get_comp_id(const char *name) 655 { 656 return (get_table_entry_id(uimage_comp, "Compression", name)); 657 } 658 659 #ifndef USE_HOSTCC 660 /** 661 * genimg_get_format - get image format type 662 * @img_addr: image start address 663 * 664 * genimg_get_format() checks whether provided address points to a valid 665 * legacy or FIT image. 666 * 667 * New uImage format and FDT blob are based on a libfdt. FDT blob 668 * may be passed directly or embedded in a FIT image. In both situations 669 * genimg_get_format() must be able to dectect libfdt header. 670 * 671 * returns: 672 * image format type or IMAGE_FORMAT_INVALID if no image is present 673 */ 674 int genimg_get_format(void *img_addr) 675 { 676 ulong format = IMAGE_FORMAT_INVALID; 677 const image_header_t *hdr; 678 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 679 char *fit_hdr; 680 #endif 681 682 hdr = (const image_header_t *)img_addr; 683 if (image_check_magic(hdr)) 684 format = IMAGE_FORMAT_LEGACY; 685 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 686 else { 687 fit_hdr = (char *)img_addr; 688 if (fdt_check_header(fit_hdr) == 0) 689 format = IMAGE_FORMAT_FIT; 690 } 691 #endif 692 693 return format; 694 } 695 696 /** 697 * genimg_get_image - get image from special storage (if necessary) 698 * @img_addr: image start address 699 * 700 * genimg_get_image() checks if provided image start adddress is located 701 * in a dataflash storage. If so, image is moved to a system RAM memory. 702 * 703 * returns: 704 * image start address after possible relocation from special storage 705 */ 706 ulong genimg_get_image(ulong img_addr) 707 { 708 ulong ram_addr = img_addr; 709 710 #ifdef CONFIG_HAS_DATAFLASH 711 ulong h_size, d_size; 712 713 if (addr_dataflash(img_addr)) { 714 /* ger RAM address */ 715 ram_addr = CONFIG_SYS_LOAD_ADDR; 716 717 /* get header size */ 718 h_size = image_get_header_size(); 719 #if defined(CONFIG_FIT) 720 if (sizeof(struct fdt_header) > h_size) 721 h_size = sizeof(struct fdt_header); 722 #endif 723 724 /* read in header */ 725 debug(" Reading image header from dataflash address " 726 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 727 728 read_dataflash(img_addr, h_size, (char *)ram_addr); 729 730 /* get data size */ 731 switch (genimg_get_format((void *)ram_addr)) { 732 case IMAGE_FORMAT_LEGACY: 733 d_size = image_get_data_size( 734 (const image_header_t *)ram_addr); 735 debug(" Legacy format image found at 0x%08lx, " 736 "size 0x%08lx\n", 737 ram_addr, d_size); 738 break; 739 #if defined(CONFIG_FIT) 740 case IMAGE_FORMAT_FIT: 741 d_size = fit_get_size((const void *)ram_addr) - h_size; 742 debug(" FIT/FDT format image found at 0x%08lx, " 743 "size 0x%08lx\n", 744 ram_addr, d_size); 745 break; 746 #endif 747 default: 748 printf(" No valid image found at 0x%08lx\n", 749 img_addr); 750 return ram_addr; 751 } 752 753 /* read in image data */ 754 debug(" Reading image remaining data from dataflash address " 755 "%08lx to RAM address %08lx\n", img_addr + h_size, 756 ram_addr + h_size); 757 758 read_dataflash(img_addr + h_size, d_size, 759 (char *)(ram_addr + h_size)); 760 761 } 762 #endif /* CONFIG_HAS_DATAFLASH */ 763 764 return ram_addr; 765 } 766 767 /** 768 * fit_has_config - check if there is a valid FIT configuration 769 * @images: pointer to the bootm command headers structure 770 * 771 * fit_has_config() checks if there is a FIT configuration in use 772 * (if FTI support is present). 773 * 774 * returns: 775 * 0, no FIT support or no configuration found 776 * 1, configuration found 777 */ 778 int genimg_has_config(bootm_headers_t *images) 779 { 780 #if defined(CONFIG_FIT) 781 if (images->fit_uname_cfg) 782 return 1; 783 #endif 784 return 0; 785 } 786 787 /** 788 * boot_get_ramdisk - main ramdisk handling routine 789 * @argc: command argument count 790 * @argv: command argument list 791 * @images: pointer to the bootm images structure 792 * @arch: expected ramdisk architecture 793 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 794 * @rd_end: pointer to a ulong variable, will hold ramdisk end 795 * 796 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 797 * Curently supported are the following ramdisk sources: 798 * - multicomponent kernel/ramdisk image, 799 * - commandline provided address of decicated ramdisk image. 800 * 801 * returns: 802 * 0, if ramdisk image was found and valid, or skiped 803 * rd_start and rd_end are set to ramdisk start/end addresses if 804 * ramdisk image is found and valid 805 * 806 * 1, if ramdisk image is found but corrupted, or invalid 807 * rd_start and rd_end are set to 0 if no ramdisk exists 808 */ 809 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, 810 uint8_t arch, ulong *rd_start, ulong *rd_end) 811 { 812 ulong rd_addr, rd_load; 813 ulong rd_data, rd_len; 814 const image_header_t *rd_hdr; 815 #ifdef CONFIG_SUPPORT_RAW_INITRD 816 char *end; 817 #endif 818 #if defined(CONFIG_FIT) 819 void *fit_hdr; 820 const char *fit_uname_config = NULL; 821 const char *fit_uname_ramdisk = NULL; 822 ulong default_addr; 823 int rd_noffset; 824 int cfg_noffset; 825 const void *data; 826 size_t size; 827 #endif 828 829 *rd_start = 0; 830 *rd_end = 0; 831 832 /* 833 * Look for a '-' which indicates to ignore the 834 * ramdisk argument 835 */ 836 if ((argc >= 3) && (strcmp(argv[2], "-") == 0)) { 837 debug("## Skipping init Ramdisk\n"); 838 rd_len = rd_data = 0; 839 } else if (argc >= 3 || genimg_has_config(images)) { 840 #if defined(CONFIG_FIT) 841 if (argc >= 3) { 842 /* 843 * If the init ramdisk comes from the FIT image and 844 * the FIT image address is omitted in the command 845 * line argument, try to use os FIT image address or 846 * default load address. 847 */ 848 if (images->fit_uname_os) 849 default_addr = (ulong)images->fit_hdr_os; 850 else 851 default_addr = load_addr; 852 853 if (fit_parse_conf(argv[2], default_addr, 854 &rd_addr, &fit_uname_config)) { 855 debug("* ramdisk: config '%s' from image at " 856 "0x%08lx\n", 857 fit_uname_config, rd_addr); 858 } else if (fit_parse_subimage(argv[2], default_addr, 859 &rd_addr, &fit_uname_ramdisk)) { 860 debug("* ramdisk: subimage '%s' from image at " 861 "0x%08lx\n", 862 fit_uname_ramdisk, rd_addr); 863 } else 864 #endif 865 { 866 rd_addr = simple_strtoul(argv[2], NULL, 16); 867 debug("* ramdisk: cmdline image address = " 868 "0x%08lx\n", 869 rd_addr); 870 } 871 #if defined(CONFIG_FIT) 872 } else { 873 /* use FIT configuration provided in first bootm 874 * command argument 875 */ 876 rd_addr = (ulong)images->fit_hdr_os; 877 fit_uname_config = images->fit_uname_cfg; 878 debug("* ramdisk: using config '%s' from image " 879 "at 0x%08lx\n", 880 fit_uname_config, rd_addr); 881 882 /* 883 * Check whether configuration has ramdisk defined, 884 * if not, don't try to use it, quit silently. 885 */ 886 fit_hdr = (void *)rd_addr; 887 cfg_noffset = fit_conf_get_node(fit_hdr, 888 fit_uname_config); 889 if (cfg_noffset < 0) { 890 debug("* ramdisk: no such config\n"); 891 return 1; 892 } 893 894 rd_noffset = fit_conf_get_ramdisk_node(fit_hdr, 895 cfg_noffset); 896 if (rd_noffset < 0) { 897 debug("* ramdisk: no ramdisk in config\n"); 898 return 0; 899 } 900 } 901 #endif 902 903 /* copy from dataflash if needed */ 904 rd_addr = genimg_get_image(rd_addr); 905 906 /* 907 * Check if there is an initrd image at the 908 * address provided in the second bootm argument 909 * check image type, for FIT images get FIT node. 910 */ 911 switch (genimg_get_format((void *)rd_addr)) { 912 case IMAGE_FORMAT_LEGACY: 913 printf("## Loading init Ramdisk from Legacy " 914 "Image at %08lx ...\n", rd_addr); 915 916 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK); 917 rd_hdr = image_get_ramdisk(rd_addr, arch, 918 images->verify); 919 920 if (rd_hdr == NULL) 921 return 1; 922 923 rd_data = image_get_data(rd_hdr); 924 rd_len = image_get_data_size(rd_hdr); 925 rd_load = image_get_load(rd_hdr); 926 break; 927 #if defined(CONFIG_FIT) 928 case IMAGE_FORMAT_FIT: 929 fit_hdr = (void *)rd_addr; 930 printf("## Loading init Ramdisk from FIT " 931 "Image at %08lx ...\n", rd_addr); 932 933 bootstage_mark(BOOTSTAGE_ID_FIT_RD_FORMAT); 934 if (!fit_check_format(fit_hdr)) { 935 puts("Bad FIT ramdisk image format!\n"); 936 bootstage_error( 937 BOOTSTAGE_ID_FIT_RD_FORMAT); 938 return 1; 939 } 940 bootstage_mark(BOOTSTAGE_ID_FIT_RD_FORMAT_OK); 941 942 if (!fit_uname_ramdisk) { 943 /* 944 * no ramdisk image node unit name, try to get config 945 * node first. If config unit node name is NULL 946 * fit_conf_get_node() will try to find default config node 947 */ 948 bootstage_mark( 949 BOOTSTAGE_ID_FIT_RD_NO_UNIT_NAME); 950 cfg_noffset = fit_conf_get_node(fit_hdr, 951 fit_uname_config); 952 if (cfg_noffset < 0) { 953 puts("Could not find configuration " 954 "node\n"); 955 bootstage_error( 956 BOOTSTAGE_ID_FIT_RD_NO_UNIT_NAME); 957 return 1; 958 } 959 fit_uname_config = fdt_get_name(fit_hdr, 960 cfg_noffset, NULL); 961 printf(" Using '%s' configuration\n", 962 fit_uname_config); 963 964 rd_noffset = fit_conf_get_ramdisk_node(fit_hdr, 965 cfg_noffset); 966 fit_uname_ramdisk = fit_get_name(fit_hdr, 967 rd_noffset, NULL); 968 } else { 969 /* get ramdisk component image node offset */ 970 bootstage_mark( 971 BOOTSTAGE_ID_FIT_RD_UNIT_NAME); 972 rd_noffset = fit_image_get_node(fit_hdr, 973 fit_uname_ramdisk); 974 } 975 if (rd_noffset < 0) { 976 puts("Could not find subimage node\n"); 977 bootstage_error(BOOTSTAGE_ID_FIT_RD_SUBNODE); 978 return 1; 979 } 980 981 printf(" Trying '%s' ramdisk subimage\n", 982 fit_uname_ramdisk); 983 984 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK); 985 if (!fit_check_ramdisk(fit_hdr, rd_noffset, arch, 986 images->verify)) 987 return 1; 988 989 /* get ramdisk image data address and length */ 990 if (fit_image_get_data(fit_hdr, rd_noffset, &data, 991 &size)) { 992 puts("Could not find ramdisk subimage data!\n"); 993 bootstage_error(BOOTSTAGE_ID_FIT_RD_GET_DATA); 994 return 1; 995 } 996 bootstage_mark(BOOTSTAGE_ID_FIT_RD_GET_DATA_OK); 997 998 rd_data = (ulong)data; 999 rd_len = size; 1000 1001 if (fit_image_get_load(fit_hdr, rd_noffset, &rd_load)) { 1002 puts("Can't get ramdisk subimage load " 1003 "address!\n"); 1004 bootstage_error(BOOTSTAGE_ID_FIT_RD_LOAD); 1005 return 1; 1006 } 1007 bootstage_mark(BOOTSTAGE_ID_FIT_RD_LOAD); 1008 1009 images->fit_hdr_rd = fit_hdr; 1010 images->fit_uname_rd = fit_uname_ramdisk; 1011 images->fit_noffset_rd = rd_noffset; 1012 break; 1013 #endif 1014 default: 1015 #ifdef CONFIG_SUPPORT_RAW_INITRD 1016 if (argc >= 3 && (end = strchr(argv[2], ':'))) { 1017 rd_len = simple_strtoul(++end, NULL, 16); 1018 rd_data = rd_addr; 1019 } else 1020 #endif 1021 { 1022 puts("Wrong Ramdisk Image Format\n"); 1023 rd_data = rd_len = rd_load = 0; 1024 return 1; 1025 } 1026 } 1027 } else if (images->legacy_hdr_valid && 1028 image_check_type(&images->legacy_hdr_os_copy, 1029 IH_TYPE_MULTI)) { 1030 1031 /* 1032 * Now check if we have a legacy mult-component image, 1033 * get second entry data start address and len. 1034 */ 1035 bootstage_mark(BOOTSTAGE_ID_RAMDISK); 1036 printf("## Loading init Ramdisk from multi component " 1037 "Legacy Image at %08lx ...\n", 1038 (ulong)images->legacy_hdr_os); 1039 1040 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len); 1041 } else { 1042 /* 1043 * no initrd image 1044 */ 1045 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK); 1046 rd_len = rd_data = 0; 1047 } 1048 1049 if (!rd_data) { 1050 debug("## No init Ramdisk\n"); 1051 } else { 1052 *rd_start = rd_data; 1053 *rd_end = rd_data + rd_len; 1054 } 1055 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 1056 *rd_start, *rd_end); 1057 1058 return 0; 1059 } 1060 1061 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH 1062 /** 1063 * boot_ramdisk_high - relocate init ramdisk 1064 * @lmb: pointer to lmb handle, will be used for memory mgmt 1065 * @rd_data: ramdisk data start address 1066 * @rd_len: ramdisk data length 1067 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 1068 * start address (after possible relocation) 1069 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 1070 * end address (after possible relocation) 1071 * 1072 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environement 1073 * variable and if requested ramdisk data is moved to a specified location. 1074 * 1075 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 1076 * start/end addresses if ramdisk image start and len were provided, 1077 * otherwise set initrd_start and initrd_end set to zeros. 1078 * 1079 * returns: 1080 * 0 - success 1081 * -1 - failure 1082 */ 1083 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, 1084 ulong *initrd_start, ulong *initrd_end) 1085 { 1086 char *s; 1087 ulong initrd_high; 1088 int initrd_copy_to_ram = 1; 1089 1090 if ((s = getenv("initrd_high")) != NULL) { 1091 /* a value of "no" or a similar string will act like 0, 1092 * turning the "load high" feature off. This is intentional. 1093 */ 1094 initrd_high = simple_strtoul(s, NULL, 16); 1095 if (initrd_high == ~0) 1096 initrd_copy_to_ram = 0; 1097 } else { 1098 /* not set, no restrictions to load high */ 1099 initrd_high = ~0; 1100 } 1101 1102 1103 #ifdef CONFIG_LOGBUFFER 1104 /* Prevent initrd from overwriting logbuffer */ 1105 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1106 #endif 1107 1108 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1109 initrd_high, initrd_copy_to_ram); 1110 1111 if (rd_data) { 1112 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1113 debug(" in-place initrd\n"); 1114 *initrd_start = rd_data; 1115 *initrd_end = rd_data + rd_len; 1116 lmb_reserve(lmb, rd_data, rd_len); 1117 } else { 1118 if (initrd_high) 1119 *initrd_start = (ulong)lmb_alloc_base(lmb, 1120 rd_len, 0x1000, initrd_high); 1121 else 1122 *initrd_start = (ulong)lmb_alloc(lmb, rd_len, 1123 0x1000); 1124 1125 if (*initrd_start == 0) { 1126 puts("ramdisk - allocation error\n"); 1127 goto error; 1128 } 1129 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK); 1130 1131 *initrd_end = *initrd_start + rd_len; 1132 printf(" Loading Ramdisk to %08lx, end %08lx ... ", 1133 *initrd_start, *initrd_end); 1134 1135 memmove_wd((void *)*initrd_start, 1136 (void *)rd_data, rd_len, CHUNKSZ); 1137 1138 #ifdef CONFIG_MP 1139 /* 1140 * Ensure the image is flushed to memory to handle 1141 * AMP boot scenarios in which we might not be 1142 * HW cache coherent 1143 */ 1144 flush_cache((unsigned long)*initrd_start, rd_len); 1145 #endif 1146 puts("OK\n"); 1147 } 1148 } else { 1149 *initrd_start = 0; 1150 *initrd_end = 0; 1151 } 1152 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1153 *initrd_start, *initrd_end); 1154 1155 return 0; 1156 1157 error: 1158 return -1; 1159 } 1160 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */ 1161 1162 #ifdef CONFIG_OF_LIBFDT 1163 static void fdt_error(const char *msg) 1164 { 1165 puts("ERROR: "); 1166 puts(msg); 1167 puts(" - must RESET the board to recover.\n"); 1168 } 1169 1170 static const image_header_t *image_get_fdt(ulong fdt_addr) 1171 { 1172 const image_header_t *fdt_hdr = (const image_header_t *)fdt_addr; 1173 1174 image_print_contents(fdt_hdr); 1175 1176 puts(" Verifying Checksum ... "); 1177 if (!image_check_hcrc(fdt_hdr)) { 1178 fdt_error("fdt header checksum invalid"); 1179 return NULL; 1180 } 1181 1182 if (!image_check_dcrc(fdt_hdr)) { 1183 fdt_error("fdt checksum invalid"); 1184 return NULL; 1185 } 1186 puts("OK\n"); 1187 1188 if (!image_check_type(fdt_hdr, IH_TYPE_FLATDT)) { 1189 fdt_error("uImage is not a fdt"); 1190 return NULL; 1191 } 1192 if (image_get_comp(fdt_hdr) != IH_COMP_NONE) { 1193 fdt_error("uImage is compressed"); 1194 return NULL; 1195 } 1196 if (fdt_check_header((char *)image_get_data(fdt_hdr)) != 0) { 1197 fdt_error("uImage data is not a fdt"); 1198 return NULL; 1199 } 1200 return fdt_hdr; 1201 } 1202 1203 /** 1204 * fit_check_fdt - verify FIT format FDT subimage 1205 * @fit_hdr: pointer to the FIT header 1206 * fdt_noffset: FDT subimage node offset within FIT image 1207 * @verify: data CRC verification flag 1208 * 1209 * fit_check_fdt() verifies integrity of the FDT subimage and from 1210 * specified FIT image. 1211 * 1212 * returns: 1213 * 1, on success 1214 * 0, on failure 1215 */ 1216 #if defined(CONFIG_FIT) 1217 static int fit_check_fdt(const void *fit, int fdt_noffset, int verify) 1218 { 1219 fit_image_print(fit, fdt_noffset, " "); 1220 1221 if (verify) { 1222 puts(" Verifying Hash Integrity ... "); 1223 if (!fit_image_check_hashes(fit, fdt_noffset)) { 1224 fdt_error("Bad Data Hash"); 1225 return 0; 1226 } 1227 puts("OK\n"); 1228 } 1229 1230 if (!fit_image_check_type(fit, fdt_noffset, IH_TYPE_FLATDT)) { 1231 fdt_error("Not a FDT image"); 1232 return 0; 1233 } 1234 1235 if (!fit_image_check_comp(fit, fdt_noffset, IH_COMP_NONE)) { 1236 fdt_error("FDT image is compressed"); 1237 return 0; 1238 } 1239 1240 return 1; 1241 } 1242 #endif /* CONFIG_FIT */ 1243 1244 #ifndef CONFIG_SYS_FDT_PAD 1245 #define CONFIG_SYS_FDT_PAD 0x3000 1246 #endif 1247 1248 #if defined(CONFIG_OF_LIBFDT) 1249 /** 1250 * boot_fdt_add_mem_rsv_regions - Mark the memreserve sections as unusable 1251 * @lmb: pointer to lmb handle, will be used for memory mgmt 1252 * @fdt_blob: pointer to fdt blob base address 1253 * 1254 * Adds the memreserve regions in the dtb to the lmb block. Adding the 1255 * memreserve regions prevents u-boot from using them to store the initrd 1256 * or the fdt blob. 1257 */ 1258 void boot_fdt_add_mem_rsv_regions(struct lmb *lmb, void *fdt_blob) 1259 { 1260 uint64_t addr, size; 1261 int i, total; 1262 1263 if (fdt_check_header(fdt_blob) != 0) 1264 return; 1265 1266 total = fdt_num_mem_rsv(fdt_blob); 1267 for (i = 0; i < total; i++) { 1268 if (fdt_get_mem_rsv(fdt_blob, i, &addr, &size) != 0) 1269 continue; 1270 printf(" reserving fdt memory region: addr=%llx size=%llx\n", 1271 (unsigned long long)addr, (unsigned long long)size); 1272 lmb_reserve(lmb, addr, size); 1273 } 1274 } 1275 1276 /** 1277 * boot_relocate_fdt - relocate flat device tree 1278 * @lmb: pointer to lmb handle, will be used for memory mgmt 1279 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1280 * @of_size: pointer to a ulong variable, will hold fdt length 1281 * 1282 * boot_relocate_fdt() allocates a region of memory within the bootmap and 1283 * relocates the of_flat_tree into that region, even if the fdt is already in 1284 * the bootmap. It also expands the size of the fdt by CONFIG_SYS_FDT_PAD 1285 * bytes. 1286 * 1287 * of_flat_tree and of_size are set to final (after relocation) values 1288 * 1289 * returns: 1290 * 0 - success 1291 * 1 - failure 1292 */ 1293 int boot_relocate_fdt(struct lmb *lmb, char **of_flat_tree, ulong *of_size) 1294 { 1295 void *fdt_blob = *of_flat_tree; 1296 void *of_start = NULL; 1297 char *fdt_high; 1298 ulong of_len = 0; 1299 int err; 1300 int disable_relocation = 0; 1301 1302 /* nothing to do */ 1303 if (*of_size == 0) 1304 return 0; 1305 1306 if (fdt_check_header(fdt_blob) != 0) { 1307 fdt_error("image is not a fdt"); 1308 goto error; 1309 } 1310 1311 /* position on a 4K boundary before the alloc_current */ 1312 /* Pad the FDT by a specified amount */ 1313 of_len = *of_size + CONFIG_SYS_FDT_PAD; 1314 1315 /* If fdt_high is set use it to select the relocation address */ 1316 fdt_high = getenv("fdt_high"); 1317 if (fdt_high) { 1318 void *desired_addr = (void *)simple_strtoul(fdt_high, NULL, 16); 1319 1320 if (((ulong) desired_addr) == ~0UL) { 1321 /* All ones means use fdt in place */ 1322 of_start = fdt_blob; 1323 lmb_reserve(lmb, (ulong)of_start, of_len); 1324 disable_relocation = 1; 1325 } else if (desired_addr) { 1326 of_start = 1327 (void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000, 1328 (ulong)desired_addr); 1329 if (of_start == NULL) { 1330 puts("Failed using fdt_high value for Device Tree"); 1331 goto error; 1332 } 1333 } else { 1334 of_start = 1335 (void *)(ulong) lmb_alloc(lmb, of_len, 0x1000); 1336 } 1337 } else { 1338 of_start = 1339 (void *)(ulong) lmb_alloc_base(lmb, of_len, 0x1000, 1340 getenv_bootm_mapsize() 1341 + getenv_bootm_low()); 1342 } 1343 1344 if (of_start == NULL) { 1345 puts("device tree - allocation error\n"); 1346 goto error; 1347 } 1348 1349 if (disable_relocation) { 1350 /* We assume there is space after the existing fdt to use for padding */ 1351 fdt_set_totalsize(of_start, of_len); 1352 printf(" Using Device Tree in place at %p, end %p\n", 1353 of_start, of_start + of_len - 1); 1354 } else { 1355 debug("## device tree at %p ... %p (len=%ld [0x%lX])\n", 1356 fdt_blob, fdt_blob + *of_size - 1, of_len, of_len); 1357 1358 printf(" Loading Device Tree to %p, end %p ... ", 1359 of_start, of_start + of_len - 1); 1360 1361 err = fdt_open_into(fdt_blob, of_start, of_len); 1362 if (err != 0) { 1363 fdt_error("fdt move failed"); 1364 goto error; 1365 } 1366 puts("OK\n"); 1367 } 1368 1369 *of_flat_tree = of_start; 1370 *of_size = of_len; 1371 1372 set_working_fdt_addr(*of_flat_tree); 1373 return 0; 1374 1375 error: 1376 return 1; 1377 } 1378 #endif /* CONFIG_OF_LIBFDT */ 1379 1380 /** 1381 * boot_get_fdt - main fdt handling routine 1382 * @argc: command argument count 1383 * @argv: command argument list 1384 * @images: pointer to the bootm images structure 1385 * @of_flat_tree: pointer to a char* variable, will hold fdt start address 1386 * @of_size: pointer to a ulong variable, will hold fdt length 1387 * 1388 * boot_get_fdt() is responsible for finding a valid flat device tree image. 1389 * Curently supported are the following ramdisk sources: 1390 * - multicomponent kernel/ramdisk image, 1391 * - commandline provided address of decicated ramdisk image. 1392 * 1393 * returns: 1394 * 0, if fdt image was found and valid, or skipped 1395 * of_flat_tree and of_size are set to fdt start address and length if 1396 * fdt image is found and valid 1397 * 1398 * 1, if fdt image is found but corrupted 1399 * of_flat_tree and of_size are set to 0 if no fdt exists 1400 */ 1401 int boot_get_fdt(int flag, int argc, char * const argv[], 1402 bootm_headers_t *images, char **of_flat_tree, ulong *of_size) 1403 { 1404 const image_header_t *fdt_hdr; 1405 ulong fdt_addr; 1406 char *fdt_blob = NULL; 1407 ulong image_start, image_data, image_end; 1408 ulong load_start, load_end; 1409 #if defined(CONFIG_FIT) 1410 void *fit_hdr; 1411 const char *fit_uname_config = NULL; 1412 const char *fit_uname_fdt = NULL; 1413 ulong default_addr; 1414 int cfg_noffset; 1415 int fdt_noffset; 1416 const void *data; 1417 size_t size; 1418 #endif 1419 1420 *of_flat_tree = NULL; 1421 *of_size = 0; 1422 1423 if (argc > 3 || genimg_has_config(images)) { 1424 #if defined(CONFIG_FIT) 1425 if (argc > 3) { 1426 /* 1427 * If the FDT blob comes from the FIT image and the 1428 * FIT image address is omitted in the command line 1429 * argument, try to use ramdisk or os FIT image 1430 * address or default load address. 1431 */ 1432 if (images->fit_uname_rd) 1433 default_addr = (ulong)images->fit_hdr_rd; 1434 else if (images->fit_uname_os) 1435 default_addr = (ulong)images->fit_hdr_os; 1436 else 1437 default_addr = load_addr; 1438 1439 if (fit_parse_conf(argv[3], default_addr, 1440 &fdt_addr, &fit_uname_config)) { 1441 debug("* fdt: config '%s' from image at " 1442 "0x%08lx\n", 1443 fit_uname_config, fdt_addr); 1444 } else if (fit_parse_subimage(argv[3], default_addr, 1445 &fdt_addr, &fit_uname_fdt)) { 1446 debug("* fdt: subimage '%s' from image at " 1447 "0x%08lx\n", 1448 fit_uname_fdt, fdt_addr); 1449 } else 1450 #endif 1451 { 1452 fdt_addr = simple_strtoul(argv[3], NULL, 16); 1453 debug("* fdt: cmdline image address = " 1454 "0x%08lx\n", 1455 fdt_addr); 1456 } 1457 #if defined(CONFIG_FIT) 1458 } else { 1459 /* use FIT configuration provided in first bootm 1460 * command argument 1461 */ 1462 fdt_addr = (ulong)images->fit_hdr_os; 1463 fit_uname_config = images->fit_uname_cfg; 1464 debug("* fdt: using config '%s' from image " 1465 "at 0x%08lx\n", 1466 fit_uname_config, fdt_addr); 1467 1468 /* 1469 * Check whether configuration has FDT blob defined, 1470 * if not quit silently. 1471 */ 1472 fit_hdr = (void *)fdt_addr; 1473 cfg_noffset = fit_conf_get_node(fit_hdr, 1474 fit_uname_config); 1475 if (cfg_noffset < 0) { 1476 debug("* fdt: no such config\n"); 1477 return 0; 1478 } 1479 1480 fdt_noffset = fit_conf_get_fdt_node(fit_hdr, 1481 cfg_noffset); 1482 if (fdt_noffset < 0) { 1483 debug("* fdt: no fdt in config\n"); 1484 return 0; 1485 } 1486 } 1487 #endif 1488 1489 debug("## Checking for 'FDT'/'FDT Image' at %08lx\n", 1490 fdt_addr); 1491 1492 /* copy from dataflash if needed */ 1493 fdt_addr = genimg_get_image(fdt_addr); 1494 1495 /* 1496 * Check if there is an FDT image at the 1497 * address provided in the second bootm argument 1498 * check image type, for FIT images get a FIT node. 1499 */ 1500 switch (genimg_get_format((void *)fdt_addr)) { 1501 case IMAGE_FORMAT_LEGACY: 1502 /* verify fdt_addr points to a valid image header */ 1503 printf("## Flattened Device Tree from Legacy Image " 1504 "at %08lx\n", 1505 fdt_addr); 1506 fdt_hdr = image_get_fdt(fdt_addr); 1507 if (!fdt_hdr) 1508 goto error; 1509 1510 /* 1511 * move image data to the load address, 1512 * make sure we don't overwrite initial image 1513 */ 1514 image_start = (ulong)fdt_hdr; 1515 image_data = (ulong)image_get_data(fdt_hdr); 1516 image_end = image_get_image_end(fdt_hdr); 1517 1518 load_start = image_get_load(fdt_hdr); 1519 load_end = load_start + image_get_data_size(fdt_hdr); 1520 1521 if (load_start == image_start || 1522 load_start == image_data) { 1523 fdt_blob = (char *)image_data; 1524 break; 1525 } 1526 1527 if ((load_start < image_end) && (load_end > image_start)) { 1528 fdt_error("fdt overwritten"); 1529 goto error; 1530 } 1531 1532 debug(" Loading FDT from 0x%08lx to 0x%08lx\n", 1533 image_data, load_start); 1534 1535 memmove((void *)load_start, 1536 (void *)image_data, 1537 image_get_data_size(fdt_hdr)); 1538 1539 fdt_blob = (char *)load_start; 1540 break; 1541 case IMAGE_FORMAT_FIT: 1542 /* 1543 * This case will catch both: new uImage format 1544 * (libfdt based) and raw FDT blob (also libfdt 1545 * based). 1546 */ 1547 #if defined(CONFIG_FIT) 1548 /* check FDT blob vs FIT blob */ 1549 if (fit_check_format((const void *)fdt_addr)) { 1550 /* 1551 * FIT image 1552 */ 1553 fit_hdr = (void *)fdt_addr; 1554 printf("## Flattened Device Tree from FIT " 1555 "Image at %08lx\n", 1556 fdt_addr); 1557 1558 if (!fit_uname_fdt) { 1559 /* 1560 * no FDT blob image node unit name, 1561 * try to get config node first. If 1562 * config unit node name is NULL 1563 * fit_conf_get_node() will try to 1564 * find default config node 1565 */ 1566 cfg_noffset = fit_conf_get_node(fit_hdr, 1567 fit_uname_config); 1568 1569 if (cfg_noffset < 0) { 1570 fdt_error("Could not find " 1571 "configuration " 1572 "node\n"); 1573 goto error; 1574 } 1575 1576 fit_uname_config = fdt_get_name(fit_hdr, 1577 cfg_noffset, NULL); 1578 printf(" Using '%s' configuration\n", 1579 fit_uname_config); 1580 1581 fdt_noffset = fit_conf_get_fdt_node( 1582 fit_hdr, 1583 cfg_noffset); 1584 fit_uname_fdt = fit_get_name(fit_hdr, 1585 fdt_noffset, NULL); 1586 } else { 1587 /* get FDT component image node offset */ 1588 fdt_noffset = fit_image_get_node( 1589 fit_hdr, 1590 fit_uname_fdt); 1591 } 1592 if (fdt_noffset < 0) { 1593 fdt_error("Could not find subimage " 1594 "node\n"); 1595 goto error; 1596 } 1597 1598 printf(" Trying '%s' FDT blob subimage\n", 1599 fit_uname_fdt); 1600 1601 if (!fit_check_fdt(fit_hdr, fdt_noffset, 1602 images->verify)) 1603 goto error; 1604 1605 /* get ramdisk image data address and length */ 1606 if (fit_image_get_data(fit_hdr, fdt_noffset, 1607 &data, &size)) { 1608 fdt_error("Could not find FDT " 1609 "subimage data"); 1610 goto error; 1611 } 1612 1613 /* verift that image data is a proper FDT blob */ 1614 if (fdt_check_header((char *)data) != 0) { 1615 fdt_error("Subimage data is not a FTD"); 1616 goto error; 1617 } 1618 1619 /* 1620 * move image data to the load address, 1621 * make sure we don't overwrite initial image 1622 */ 1623 image_start = (ulong)fit_hdr; 1624 image_end = fit_get_end(fit_hdr); 1625 1626 if (fit_image_get_load(fit_hdr, fdt_noffset, 1627 &load_start) == 0) { 1628 load_end = load_start + size; 1629 1630 if ((load_start < image_end) && 1631 (load_end > image_start)) { 1632 fdt_error("FDT overwritten"); 1633 goto error; 1634 } 1635 1636 printf(" Loading FDT from 0x%08lx " 1637 "to 0x%08lx\n", 1638 (ulong)data, 1639 load_start); 1640 1641 memmove((void *)load_start, 1642 (void *)data, size); 1643 1644 fdt_blob = (char *)load_start; 1645 } else { 1646 fdt_blob = (char *)data; 1647 } 1648 1649 images->fit_hdr_fdt = fit_hdr; 1650 images->fit_uname_fdt = fit_uname_fdt; 1651 images->fit_noffset_fdt = fdt_noffset; 1652 break; 1653 } else 1654 #endif 1655 { 1656 /* 1657 * FDT blob 1658 */ 1659 fdt_blob = (char *)fdt_addr; 1660 debug("* fdt: raw FDT blob\n"); 1661 printf("## Flattened Device Tree blob at " 1662 "%08lx\n", (long)fdt_blob); 1663 } 1664 break; 1665 default: 1666 puts("ERROR: Did not find a cmdline Flattened Device " 1667 "Tree\n"); 1668 goto error; 1669 } 1670 1671 printf(" Booting using the fdt blob at 0x%p\n", fdt_blob); 1672 1673 } else if (images->legacy_hdr_valid && 1674 image_check_type(&images->legacy_hdr_os_copy, 1675 IH_TYPE_MULTI)) { 1676 1677 ulong fdt_data, fdt_len; 1678 1679 /* 1680 * Now check if we have a legacy multi-component image, 1681 * get second entry data start address and len. 1682 */ 1683 printf("## Flattened Device Tree from multi " 1684 "component Image at %08lX\n", 1685 (ulong)images->legacy_hdr_os); 1686 1687 image_multi_getimg(images->legacy_hdr_os, 2, &fdt_data, 1688 &fdt_len); 1689 if (fdt_len) { 1690 1691 fdt_blob = (char *)fdt_data; 1692 printf(" Booting using the fdt at 0x%p\n", fdt_blob); 1693 1694 if (fdt_check_header(fdt_blob) != 0) { 1695 fdt_error("image is not a fdt"); 1696 goto error; 1697 } 1698 1699 if (fdt_totalsize(fdt_blob) != fdt_len) { 1700 fdt_error("fdt size != image size"); 1701 goto error; 1702 } 1703 } else { 1704 debug("## No Flattened Device Tree\n"); 1705 return 0; 1706 } 1707 } else { 1708 debug("## No Flattened Device Tree\n"); 1709 return 0; 1710 } 1711 1712 *of_flat_tree = fdt_blob; 1713 *of_size = fdt_totalsize(fdt_blob); 1714 debug(" of_flat_tree at 0x%08lx size 0x%08lx\n", 1715 (ulong)*of_flat_tree, *of_size); 1716 1717 return 0; 1718 1719 error: 1720 *of_flat_tree = NULL; 1721 *of_size = 0; 1722 return 1; 1723 } 1724 #endif /* CONFIG_OF_LIBFDT */ 1725 1726 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE 1727 /** 1728 * boot_get_cmdline - allocate and initialize kernel cmdline 1729 * @lmb: pointer to lmb handle, will be used for memory mgmt 1730 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1731 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1732 * 1733 * boot_get_cmdline() allocates space for kernel command line below 1734 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt 1735 * variable is present its contents is copied to allocated kernel 1736 * command line. 1737 * 1738 * returns: 1739 * 0 - success 1740 * -1 - failure 1741 */ 1742 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end) 1743 { 1744 char *cmdline; 1745 char *s; 1746 1747 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1748 getenv_bootm_mapsize() + getenv_bootm_low()); 1749 1750 if (cmdline == NULL) 1751 return -1; 1752 1753 if ((s = getenv("bootargs")) == NULL) 1754 s = ""; 1755 1756 strcpy(cmdline, s); 1757 1758 *cmd_start = (ulong) & cmdline[0]; 1759 *cmd_end = *cmd_start + strlen(cmdline); 1760 1761 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1762 1763 return 0; 1764 } 1765 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */ 1766 1767 #ifdef CONFIG_SYS_BOOT_GET_KBD 1768 /** 1769 * boot_get_kbd - allocate and initialize kernel copy of board info 1770 * @lmb: pointer to lmb handle, will be used for memory mgmt 1771 * @kbd: double pointer to board info data 1772 * 1773 * boot_get_kbd() allocates space for kernel copy of board info data below 1774 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized 1775 * with the current u-boot board info data. 1776 * 1777 * returns: 1778 * 0 - success 1779 * -1 - failure 1780 */ 1781 int boot_get_kbd(struct lmb *lmb, bd_t **kbd) 1782 { 1783 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1784 getenv_bootm_mapsize() + getenv_bootm_low()); 1785 if (*kbd == NULL) 1786 return -1; 1787 1788 **kbd = *(gd->bd); 1789 1790 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1791 1792 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1793 do_bdinfo(NULL, 0, 0, NULL); 1794 #endif 1795 1796 return 0; 1797 } 1798 #endif /* CONFIG_SYS_BOOT_GET_KBD */ 1799 #endif /* !USE_HOSTCC */ 1800 1801 #if defined(CONFIG_FIT) 1802 /*****************************************************************************/ 1803 /* New uImage format routines */ 1804 /*****************************************************************************/ 1805 #ifndef USE_HOSTCC 1806 static int fit_parse_spec(const char *spec, char sepc, ulong addr_curr, 1807 ulong *addr, const char **name) 1808 { 1809 const char *sep; 1810 1811 *addr = addr_curr; 1812 *name = NULL; 1813 1814 sep = strchr(spec, sepc); 1815 if (sep) { 1816 if (sep - spec > 0) 1817 *addr = simple_strtoul(spec, NULL, 16); 1818 1819 *name = sep + 1; 1820 return 1; 1821 } 1822 1823 return 0; 1824 } 1825 1826 /** 1827 * fit_parse_conf - parse FIT configuration spec 1828 * @spec: input string, containing configuration spec 1829 * @add_curr: current image address (to be used as a possible default) 1830 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1831 * configuration 1832 * @conf_name double pointer to a char, will hold pointer to a configuration 1833 * unit name 1834 * 1835 * fit_parse_conf() expects configuration spec in the for of [<addr>]#<conf>, 1836 * where <addr> is a FIT image address that contains configuration 1837 * with a <conf> unit name. 1838 * 1839 * Address part is optional, and if omitted default add_curr will 1840 * be used instead. 1841 * 1842 * returns: 1843 * 1 if spec is a valid configuration string, 1844 * addr and conf_name are set accordingly 1845 * 0 otherwise 1846 */ 1847 int fit_parse_conf(const char *spec, ulong addr_curr, 1848 ulong *addr, const char **conf_name) 1849 { 1850 return fit_parse_spec(spec, '#', addr_curr, addr, conf_name); 1851 } 1852 1853 /** 1854 * fit_parse_subimage - parse FIT subimage spec 1855 * @spec: input string, containing subimage spec 1856 * @add_curr: current image address (to be used as a possible default) 1857 * @addr: pointer to a ulong variable, will hold FIT image address of a given 1858 * subimage 1859 * @image_name: double pointer to a char, will hold pointer to a subimage name 1860 * 1861 * fit_parse_subimage() expects subimage spec in the for of 1862 * [<addr>]:<subimage>, where <addr> is a FIT image address that contains 1863 * subimage with a <subimg> unit name. 1864 * 1865 * Address part is optional, and if omitted default add_curr will 1866 * be used instead. 1867 * 1868 * returns: 1869 * 1 if spec is a valid subimage string, 1870 * addr and image_name are set accordingly 1871 * 0 otherwise 1872 */ 1873 int fit_parse_subimage(const char *spec, ulong addr_curr, 1874 ulong *addr, const char **image_name) 1875 { 1876 return fit_parse_spec(spec, ':', addr_curr, addr, image_name); 1877 } 1878 #endif /* !USE_HOSTCC */ 1879 1880 static void fit_get_debug(const void *fit, int noffset, 1881 char *prop_name, int err) 1882 { 1883 debug("Can't get '%s' property from FIT 0x%08lx, " 1884 "node: offset %d, name %s (%s)\n", 1885 prop_name, (ulong)fit, noffset, 1886 fit_get_name(fit, noffset, NULL), 1887 fdt_strerror(err)); 1888 } 1889 1890 /** 1891 * fit_print_contents - prints out the contents of the FIT format image 1892 * @fit: pointer to the FIT format image header 1893 * @p: pointer to prefix string 1894 * 1895 * fit_print_contents() formats a multi line FIT image contents description. 1896 * The routine prints out FIT image properties (root node level) follwed by 1897 * the details of each component image. 1898 * 1899 * returns: 1900 * no returned results 1901 */ 1902 void fit_print_contents(const void *fit) 1903 { 1904 char *desc; 1905 char *uname; 1906 int images_noffset; 1907 int confs_noffset; 1908 int noffset; 1909 int ndepth; 1910 int count = 0; 1911 int ret; 1912 const char *p; 1913 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1914 time_t timestamp; 1915 #endif 1916 1917 #ifdef USE_HOSTCC 1918 p = ""; 1919 #else 1920 p = " "; 1921 #endif 1922 1923 /* Root node properties */ 1924 ret = fit_get_desc(fit, 0, &desc); 1925 printf("%sFIT description: ", p); 1926 if (ret) 1927 printf("unavailable\n"); 1928 else 1929 printf("%s\n", desc); 1930 1931 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 1932 ret = fit_get_timestamp(fit, 0, ×tamp); 1933 printf("%sCreated: ", p); 1934 if (ret) 1935 printf("unavailable\n"); 1936 else 1937 genimg_print_time(timestamp); 1938 #endif 1939 1940 /* Find images parent node offset */ 1941 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); 1942 if (images_noffset < 0) { 1943 printf("Can't find images parent node '%s' (%s)\n", 1944 FIT_IMAGES_PATH, fdt_strerror(images_noffset)); 1945 return; 1946 } 1947 1948 /* Process its subnodes, print out component images details */ 1949 for (ndepth = 0, count = 0, 1950 noffset = fdt_next_node(fit, images_noffset, &ndepth); 1951 (noffset >= 0) && (ndepth > 0); 1952 noffset = fdt_next_node(fit, noffset, &ndepth)) { 1953 if (ndepth == 1) { 1954 /* 1955 * Direct child node of the images parent node, 1956 * i.e. component image node. 1957 */ 1958 printf("%s Image %u (%s)\n", p, count++, 1959 fit_get_name(fit, noffset, NULL)); 1960 1961 fit_image_print(fit, noffset, p); 1962 } 1963 } 1964 1965 /* Find configurations parent node offset */ 1966 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); 1967 if (confs_noffset < 0) { 1968 debug("Can't get configurations parent node '%s' (%s)\n", 1969 FIT_CONFS_PATH, fdt_strerror(confs_noffset)); 1970 return; 1971 } 1972 1973 /* get default configuration unit name from default property */ 1974 uname = (char *)fdt_getprop(fit, noffset, FIT_DEFAULT_PROP, NULL); 1975 if (uname) 1976 printf("%s Default Configuration: '%s'\n", p, uname); 1977 1978 /* Process its subnodes, print out configurations details */ 1979 for (ndepth = 0, count = 0, 1980 noffset = fdt_next_node(fit, confs_noffset, &ndepth); 1981 (noffset >= 0) && (ndepth > 0); 1982 noffset = fdt_next_node(fit, noffset, &ndepth)) { 1983 if (ndepth == 1) { 1984 /* 1985 * Direct child node of the configurations parent node, 1986 * i.e. configuration node. 1987 */ 1988 printf("%s Configuration %u (%s)\n", p, count++, 1989 fit_get_name(fit, noffset, NULL)); 1990 1991 fit_conf_print(fit, noffset, p); 1992 } 1993 } 1994 } 1995 1996 /** 1997 * fit_image_print - prints out the FIT component image details 1998 * @fit: pointer to the FIT format image header 1999 * @image_noffset: offset of the component image node 2000 * @p: pointer to prefix string 2001 * 2002 * fit_image_print() lists all mandatory properies for the processed component 2003 * image. If present, hash nodes are printed out as well. Load 2004 * address for images of type firmware is also printed out. Since the load 2005 * address is not mandatory for firmware images, it will be output as 2006 * "unavailable" when not present. 2007 * 2008 * returns: 2009 * no returned results 2010 */ 2011 void fit_image_print(const void *fit, int image_noffset, const char *p) 2012 { 2013 char *desc; 2014 uint8_t type, arch, os, comp; 2015 size_t size; 2016 ulong load, entry; 2017 const void *data; 2018 int noffset; 2019 int ndepth; 2020 int ret; 2021 2022 /* Mandatory properties */ 2023 ret = fit_get_desc(fit, image_noffset, &desc); 2024 printf("%s Description: ", p); 2025 if (ret) 2026 printf("unavailable\n"); 2027 else 2028 printf("%s\n", desc); 2029 2030 fit_image_get_type(fit, image_noffset, &type); 2031 printf("%s Type: %s\n", p, genimg_get_type_name(type)); 2032 2033 fit_image_get_comp(fit, image_noffset, &comp); 2034 printf("%s Compression: %s\n", p, genimg_get_comp_name(comp)); 2035 2036 ret = fit_image_get_data(fit, image_noffset, &data, &size); 2037 2038 #ifndef USE_HOSTCC 2039 printf("%s Data Start: ", p); 2040 if (ret) 2041 printf("unavailable\n"); 2042 else 2043 printf("0x%08lx\n", (ulong)data); 2044 #endif 2045 2046 printf("%s Data Size: ", p); 2047 if (ret) 2048 printf("unavailable\n"); 2049 else 2050 genimg_print_size(size); 2051 2052 /* Remaining, type dependent properties */ 2053 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 2054 (type == IH_TYPE_RAMDISK) || (type == IH_TYPE_FIRMWARE) || 2055 (type == IH_TYPE_FLATDT)) { 2056 fit_image_get_arch(fit, image_noffset, &arch); 2057 printf("%s Architecture: %s\n", p, genimg_get_arch_name(arch)); 2058 } 2059 2060 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_RAMDISK)) { 2061 fit_image_get_os(fit, image_noffset, &os); 2062 printf("%s OS: %s\n", p, genimg_get_os_name(os)); 2063 } 2064 2065 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 2066 (type == IH_TYPE_FIRMWARE) || (type == IH_TYPE_RAMDISK)) { 2067 ret = fit_image_get_load(fit, image_noffset, &load); 2068 printf("%s Load Address: ", p); 2069 if (ret) 2070 printf("unavailable\n"); 2071 else 2072 printf("0x%08lx\n", load); 2073 } 2074 2075 if ((type == IH_TYPE_KERNEL) || (type == IH_TYPE_STANDALONE) || 2076 (type == IH_TYPE_RAMDISK)) { 2077 fit_image_get_entry(fit, image_noffset, &entry); 2078 printf("%s Entry Point: ", p); 2079 if (ret) 2080 printf("unavailable\n"); 2081 else 2082 printf("0x%08lx\n", entry); 2083 } 2084 2085 /* Process all hash subnodes of the component image node */ 2086 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth); 2087 (noffset >= 0) && (ndepth > 0); 2088 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2089 if (ndepth == 1) { 2090 /* Direct child node of the component image node */ 2091 fit_image_print_hash(fit, noffset, p); 2092 } 2093 } 2094 } 2095 2096 /** 2097 * fit_image_print_hash - prints out the hash node details 2098 * @fit: pointer to the FIT format image header 2099 * @noffset: offset of the hash node 2100 * @p: pointer to prefix string 2101 * 2102 * fit_image_print_hash() lists properies for the processed hash node 2103 * 2104 * returns: 2105 * no returned results 2106 */ 2107 void fit_image_print_hash(const void *fit, int noffset, const char *p) 2108 { 2109 char *algo; 2110 uint8_t *value; 2111 int value_len; 2112 int i, ret; 2113 2114 /* 2115 * Check subnode name, must be equal to "hash". 2116 * Multiple hash nodes require unique unit node 2117 * names, e.g. hash@1, hash@2, etc. 2118 */ 2119 if (strncmp(fit_get_name(fit, noffset, NULL), 2120 FIT_HASH_NODENAME, 2121 strlen(FIT_HASH_NODENAME)) != 0) 2122 return; 2123 2124 debug("%s Hash node: '%s'\n", p, 2125 fit_get_name(fit, noffset, NULL)); 2126 2127 printf("%s Hash algo: ", p); 2128 if (fit_image_hash_get_algo(fit, noffset, &algo)) { 2129 printf("invalid/unsupported\n"); 2130 return; 2131 } 2132 printf("%s\n", algo); 2133 2134 ret = fit_image_hash_get_value(fit, noffset, &value, 2135 &value_len); 2136 printf("%s Hash value: ", p); 2137 if (ret) { 2138 printf("unavailable\n"); 2139 } else { 2140 for (i = 0; i < value_len; i++) 2141 printf("%02x", value[i]); 2142 printf("\n"); 2143 } 2144 2145 debug("%s Hash len: %d\n", p, value_len); 2146 } 2147 2148 /** 2149 * fit_get_desc - get node description property 2150 * @fit: pointer to the FIT format image header 2151 * @noffset: node offset 2152 * @desc: double pointer to the char, will hold pointer to the descrption 2153 * 2154 * fit_get_desc() reads description property from a given node, if 2155 * description is found pointer to it is returened in third call argument. 2156 * 2157 * returns: 2158 * 0, on success 2159 * -1, on failure 2160 */ 2161 int fit_get_desc(const void *fit, int noffset, char **desc) 2162 { 2163 int len; 2164 2165 *desc = (char *)fdt_getprop(fit, noffset, FIT_DESC_PROP, &len); 2166 if (*desc == NULL) { 2167 fit_get_debug(fit, noffset, FIT_DESC_PROP, len); 2168 return -1; 2169 } 2170 2171 return 0; 2172 } 2173 2174 /** 2175 * fit_get_timestamp - get node timestamp property 2176 * @fit: pointer to the FIT format image header 2177 * @noffset: node offset 2178 * @timestamp: pointer to the time_t, will hold read timestamp 2179 * 2180 * fit_get_timestamp() reads timestamp poperty from given node, if timestamp 2181 * is found and has a correct size its value is retured in third call 2182 * argument. 2183 * 2184 * returns: 2185 * 0, on success 2186 * -1, on property read failure 2187 * -2, on wrong timestamp size 2188 */ 2189 int fit_get_timestamp(const void *fit, int noffset, time_t *timestamp) 2190 { 2191 int len; 2192 const void *data; 2193 2194 data = fdt_getprop(fit, noffset, FIT_TIMESTAMP_PROP, &len); 2195 if (data == NULL) { 2196 fit_get_debug(fit, noffset, FIT_TIMESTAMP_PROP, len); 2197 return -1; 2198 } 2199 if (len != sizeof(uint32_t)) { 2200 debug("FIT timestamp with incorrect size of (%u)\n", len); 2201 return -2; 2202 } 2203 2204 *timestamp = uimage_to_cpu(*((uint32_t *)data)); 2205 return 0; 2206 } 2207 2208 /** 2209 * fit_image_get_node - get node offset for component image of a given unit name 2210 * @fit: pointer to the FIT format image header 2211 * @image_uname: component image node unit name 2212 * 2213 * fit_image_get_node() finds a component image (withing the '/images' 2214 * node) of a provided unit name. If image is found its node offset is 2215 * returned to the caller. 2216 * 2217 * returns: 2218 * image node offset when found (>=0) 2219 * negative number on failure (FDT_ERR_* code) 2220 */ 2221 int fit_image_get_node(const void *fit, const char *image_uname) 2222 { 2223 int noffset, images_noffset; 2224 2225 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); 2226 if (images_noffset < 0) { 2227 debug("Can't find images parent node '%s' (%s)\n", 2228 FIT_IMAGES_PATH, fdt_strerror(images_noffset)); 2229 return images_noffset; 2230 } 2231 2232 noffset = fdt_subnode_offset(fit, images_noffset, image_uname); 2233 if (noffset < 0) { 2234 debug("Can't get node offset for image unit name: '%s' (%s)\n", 2235 image_uname, fdt_strerror(noffset)); 2236 } 2237 2238 return noffset; 2239 } 2240 2241 /** 2242 * fit_image_get_os - get os id for a given component image node 2243 * @fit: pointer to the FIT format image header 2244 * @noffset: component image node offset 2245 * @os: pointer to the uint8_t, will hold os numeric id 2246 * 2247 * fit_image_get_os() finds os property in a given component image node. 2248 * If the property is found, its (string) value is translated to the numeric 2249 * id which is returned to the caller. 2250 * 2251 * returns: 2252 * 0, on success 2253 * -1, on failure 2254 */ 2255 int fit_image_get_os(const void *fit, int noffset, uint8_t *os) 2256 { 2257 int len; 2258 const void *data; 2259 2260 /* Get OS name from property data */ 2261 data = fdt_getprop(fit, noffset, FIT_OS_PROP, &len); 2262 if (data == NULL) { 2263 fit_get_debug(fit, noffset, FIT_OS_PROP, len); 2264 *os = -1; 2265 return -1; 2266 } 2267 2268 /* Translate OS name to id */ 2269 *os = genimg_get_os_id(data); 2270 return 0; 2271 } 2272 2273 /** 2274 * fit_image_get_arch - get arch id for a given component image node 2275 * @fit: pointer to the FIT format image header 2276 * @noffset: component image node offset 2277 * @arch: pointer to the uint8_t, will hold arch numeric id 2278 * 2279 * fit_image_get_arch() finds arch property in a given component image node. 2280 * If the property is found, its (string) value is translated to the numeric 2281 * id which is returned to the caller. 2282 * 2283 * returns: 2284 * 0, on success 2285 * -1, on failure 2286 */ 2287 int fit_image_get_arch(const void *fit, int noffset, uint8_t *arch) 2288 { 2289 int len; 2290 const void *data; 2291 2292 /* Get architecture name from property data */ 2293 data = fdt_getprop(fit, noffset, FIT_ARCH_PROP, &len); 2294 if (data == NULL) { 2295 fit_get_debug(fit, noffset, FIT_ARCH_PROP, len); 2296 *arch = -1; 2297 return -1; 2298 } 2299 2300 /* Translate architecture name to id */ 2301 *arch = genimg_get_arch_id(data); 2302 return 0; 2303 } 2304 2305 /** 2306 * fit_image_get_type - get type id for a given component image node 2307 * @fit: pointer to the FIT format image header 2308 * @noffset: component image node offset 2309 * @type: pointer to the uint8_t, will hold type numeric id 2310 * 2311 * fit_image_get_type() finds type property in a given component image node. 2312 * If the property is found, its (string) value is translated to the numeric 2313 * id which is returned to the caller. 2314 * 2315 * returns: 2316 * 0, on success 2317 * -1, on failure 2318 */ 2319 int fit_image_get_type(const void *fit, int noffset, uint8_t *type) 2320 { 2321 int len; 2322 const void *data; 2323 2324 /* Get image type name from property data */ 2325 data = fdt_getprop(fit, noffset, FIT_TYPE_PROP, &len); 2326 if (data == NULL) { 2327 fit_get_debug(fit, noffset, FIT_TYPE_PROP, len); 2328 *type = -1; 2329 return -1; 2330 } 2331 2332 /* Translate image type name to id */ 2333 *type = genimg_get_type_id(data); 2334 return 0; 2335 } 2336 2337 /** 2338 * fit_image_get_comp - get comp id for a given component image node 2339 * @fit: pointer to the FIT format image header 2340 * @noffset: component image node offset 2341 * @comp: pointer to the uint8_t, will hold comp numeric id 2342 * 2343 * fit_image_get_comp() finds comp property in a given component image node. 2344 * If the property is found, its (string) value is translated to the numeric 2345 * id which is returned to the caller. 2346 * 2347 * returns: 2348 * 0, on success 2349 * -1, on failure 2350 */ 2351 int fit_image_get_comp(const void *fit, int noffset, uint8_t *comp) 2352 { 2353 int len; 2354 const void *data; 2355 2356 /* Get compression name from property data */ 2357 data = fdt_getprop(fit, noffset, FIT_COMP_PROP, &len); 2358 if (data == NULL) { 2359 fit_get_debug(fit, noffset, FIT_COMP_PROP, len); 2360 *comp = -1; 2361 return -1; 2362 } 2363 2364 /* Translate compression name to id */ 2365 *comp = genimg_get_comp_id(data); 2366 return 0; 2367 } 2368 2369 /** 2370 * fit_image_get_load - get load address property for a given component image node 2371 * @fit: pointer to the FIT format image header 2372 * @noffset: component image node offset 2373 * @load: pointer to the uint32_t, will hold load address 2374 * 2375 * fit_image_get_load() finds load address property in a given component image node. 2376 * If the property is found, its value is returned to the caller. 2377 * 2378 * returns: 2379 * 0, on success 2380 * -1, on failure 2381 */ 2382 int fit_image_get_load(const void *fit, int noffset, ulong *load) 2383 { 2384 int len; 2385 const uint32_t *data; 2386 2387 data = fdt_getprop(fit, noffset, FIT_LOAD_PROP, &len); 2388 if (data == NULL) { 2389 fit_get_debug(fit, noffset, FIT_LOAD_PROP, len); 2390 return -1; 2391 } 2392 2393 *load = uimage_to_cpu(*data); 2394 return 0; 2395 } 2396 2397 /** 2398 * fit_image_get_entry - get entry point address property for a given component image node 2399 * @fit: pointer to the FIT format image header 2400 * @noffset: component image node offset 2401 * @entry: pointer to the uint32_t, will hold entry point address 2402 * 2403 * fit_image_get_entry() finds entry point address property in a given component image node. 2404 * If the property is found, its value is returned to the caller. 2405 * 2406 * returns: 2407 * 0, on success 2408 * -1, on failure 2409 */ 2410 int fit_image_get_entry(const void *fit, int noffset, ulong *entry) 2411 { 2412 int len; 2413 const uint32_t *data; 2414 2415 data = fdt_getprop(fit, noffset, FIT_ENTRY_PROP, &len); 2416 if (data == NULL) { 2417 fit_get_debug(fit, noffset, FIT_ENTRY_PROP, len); 2418 return -1; 2419 } 2420 2421 *entry = uimage_to_cpu(*data); 2422 return 0; 2423 } 2424 2425 /** 2426 * fit_image_get_data - get data property and its size for a given component image node 2427 * @fit: pointer to the FIT format image header 2428 * @noffset: component image node offset 2429 * @data: double pointer to void, will hold data property's data address 2430 * @size: pointer to size_t, will hold data property's data size 2431 * 2432 * fit_image_get_data() finds data property in a given component image node. 2433 * If the property is found its data start address and size are returned to 2434 * the caller. 2435 * 2436 * returns: 2437 * 0, on success 2438 * -1, on failure 2439 */ 2440 int fit_image_get_data(const void *fit, int noffset, 2441 const void **data, size_t *size) 2442 { 2443 int len; 2444 2445 *data = fdt_getprop(fit, noffset, FIT_DATA_PROP, &len); 2446 if (*data == NULL) { 2447 fit_get_debug(fit, noffset, FIT_DATA_PROP, len); 2448 *size = 0; 2449 return -1; 2450 } 2451 2452 *size = len; 2453 return 0; 2454 } 2455 2456 /** 2457 * fit_image_hash_get_algo - get hash algorithm name 2458 * @fit: pointer to the FIT format image header 2459 * @noffset: hash node offset 2460 * @algo: double pointer to char, will hold pointer to the algorithm name 2461 * 2462 * fit_image_hash_get_algo() finds hash algorithm property in a given hash node. 2463 * If the property is found its data start address is returned to the caller. 2464 * 2465 * returns: 2466 * 0, on success 2467 * -1, on failure 2468 */ 2469 int fit_image_hash_get_algo(const void *fit, int noffset, char **algo) 2470 { 2471 int len; 2472 2473 *algo = (char *)fdt_getprop(fit, noffset, FIT_ALGO_PROP, &len); 2474 if (*algo == NULL) { 2475 fit_get_debug(fit, noffset, FIT_ALGO_PROP, len); 2476 return -1; 2477 } 2478 2479 return 0; 2480 } 2481 2482 /** 2483 * fit_image_hash_get_value - get hash value and length 2484 * @fit: pointer to the FIT format image header 2485 * @noffset: hash node offset 2486 * @value: double pointer to uint8_t, will hold address of a hash value data 2487 * @value_len: pointer to an int, will hold hash data length 2488 * 2489 * fit_image_hash_get_value() finds hash value property in a given hash node. 2490 * If the property is found its data start address and size are returned to 2491 * the caller. 2492 * 2493 * returns: 2494 * 0, on success 2495 * -1, on failure 2496 */ 2497 int fit_image_hash_get_value(const void *fit, int noffset, uint8_t **value, 2498 int *value_len) 2499 { 2500 int len; 2501 2502 *value = (uint8_t *)fdt_getprop(fit, noffset, FIT_VALUE_PROP, &len); 2503 if (*value == NULL) { 2504 fit_get_debug(fit, noffset, FIT_VALUE_PROP, len); 2505 *value_len = 0; 2506 return -1; 2507 } 2508 2509 *value_len = len; 2510 return 0; 2511 } 2512 2513 #ifndef USE_HOSTCC 2514 /** 2515 * fit_image_hash_get_ignore - get hash ignore flag 2516 * @fit: pointer to the FIT format image header 2517 * @noffset: hash node offset 2518 * @ignore: pointer to an int, will hold hash ignore flag 2519 * 2520 * fit_image_hash_get_ignore() finds hash ignore property in a given hash node. 2521 * If the property is found and non-zero, the hash algorithm is not verified by 2522 * u-boot automatically. 2523 * 2524 * returns: 2525 * 0, on ignore not found 2526 * value, on ignore found 2527 */ 2528 int fit_image_hash_get_ignore(const void *fit, int noffset, int *ignore) 2529 { 2530 int len; 2531 int *value; 2532 2533 value = (int *)fdt_getprop(fit, noffset, FIT_IGNORE_PROP, &len); 2534 if (value == NULL || len != sizeof(int)) 2535 *ignore = 0; 2536 else 2537 *ignore = *value; 2538 2539 return 0; 2540 } 2541 #endif 2542 2543 /** 2544 * fit_set_timestamp - set node timestamp property 2545 * @fit: pointer to the FIT format image header 2546 * @noffset: node offset 2547 * @timestamp: timestamp value to be set 2548 * 2549 * fit_set_timestamp() attempts to set timestamp property in the requested 2550 * node and returns operation status to the caller. 2551 * 2552 * returns: 2553 * 0, on success 2554 * -1, on property read failure 2555 */ 2556 int fit_set_timestamp(void *fit, int noffset, time_t timestamp) 2557 { 2558 uint32_t t; 2559 int ret; 2560 2561 t = cpu_to_uimage(timestamp); 2562 ret = fdt_setprop(fit, noffset, FIT_TIMESTAMP_PROP, &t, 2563 sizeof(uint32_t)); 2564 if (ret) { 2565 printf("Can't set '%s' property for '%s' node (%s)\n", 2566 FIT_TIMESTAMP_PROP, fit_get_name(fit, noffset, NULL), 2567 fdt_strerror(ret)); 2568 return -1; 2569 } 2570 2571 return 0; 2572 } 2573 2574 /** 2575 * calculate_hash - calculate and return hash for provided input data 2576 * @data: pointer to the input data 2577 * @data_len: data length 2578 * @algo: requested hash algorithm 2579 * @value: pointer to the char, will hold hash value data (caller must 2580 * allocate enough free space) 2581 * value_len: length of the calculated hash 2582 * 2583 * calculate_hash() computes input data hash according to the requested algorithm. 2584 * Resulting hash value is placed in caller provided 'value' buffer, length 2585 * of the calculated hash is returned via value_len pointer argument. 2586 * 2587 * returns: 2588 * 0, on success 2589 * -1, when algo is unsupported 2590 */ 2591 static int calculate_hash(const void *data, int data_len, const char *algo, 2592 uint8_t *value, int *value_len) 2593 { 2594 if (strcmp(algo, "crc32") == 0) { 2595 *((uint32_t *)value) = crc32_wd(0, data, data_len, 2596 CHUNKSZ_CRC32); 2597 *((uint32_t *)value) = cpu_to_uimage(*((uint32_t *)value)); 2598 *value_len = 4; 2599 } else if (strcmp(algo, "sha1") == 0) { 2600 sha1_csum_wd((unsigned char *) data, data_len, 2601 (unsigned char *) value, CHUNKSZ_SHA1); 2602 *value_len = 20; 2603 } else if (strcmp(algo, "md5") == 0) { 2604 md5_wd((unsigned char *)data, data_len, value, CHUNKSZ_MD5); 2605 *value_len = 16; 2606 } else { 2607 debug("Unsupported hash alogrithm\n"); 2608 return -1; 2609 } 2610 return 0; 2611 } 2612 2613 #ifdef USE_HOSTCC 2614 /** 2615 * fit_set_hashes - process FIT component image nodes and calculate hashes 2616 * @fit: pointer to the FIT format image header 2617 * 2618 * fit_set_hashes() adds hash values for all component images in the FIT blob. 2619 * Hashes are calculated for all component images which have hash subnodes 2620 * with algorithm property set to one of the supported hash algorithms. 2621 * 2622 * returns 2623 * 0, on success 2624 * libfdt error code, on failure 2625 */ 2626 int fit_set_hashes(void *fit) 2627 { 2628 int images_noffset; 2629 int noffset; 2630 int ndepth; 2631 int ret; 2632 2633 /* Find images parent node offset */ 2634 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); 2635 if (images_noffset < 0) { 2636 printf("Can't find images parent node '%s' (%s)\n", 2637 FIT_IMAGES_PATH, fdt_strerror(images_noffset)); 2638 return images_noffset; 2639 } 2640 2641 /* Process its subnodes, print out component images details */ 2642 for (ndepth = 0, noffset = fdt_next_node(fit, images_noffset, &ndepth); 2643 (noffset >= 0) && (ndepth > 0); 2644 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2645 if (ndepth == 1) { 2646 /* 2647 * Direct child node of the images parent node, 2648 * i.e. component image node. 2649 */ 2650 ret = fit_image_set_hashes(fit, noffset); 2651 if (ret) 2652 return ret; 2653 } 2654 } 2655 2656 return 0; 2657 } 2658 2659 /** 2660 * fit_image_set_hashes - calculate/set hashes for given component image node 2661 * @fit: pointer to the FIT format image header 2662 * @image_noffset: requested component image node 2663 * 2664 * fit_image_set_hashes() adds hash values for an component image node. All 2665 * existing hash subnodes are checked, if algorithm property is set to one of 2666 * the supported hash algorithms, hash value is computed and corresponding 2667 * hash node property is set, for example: 2668 * 2669 * Input component image node structure: 2670 * 2671 * o image@1 (at image_noffset) 2672 * | - data = [binary data] 2673 * o hash@1 2674 * |- algo = "sha1" 2675 * 2676 * Output component image node structure: 2677 * 2678 * o image@1 (at image_noffset) 2679 * | - data = [binary data] 2680 * o hash@1 2681 * |- algo = "sha1" 2682 * |- value = sha1(data) 2683 * 2684 * returns: 2685 * 0 on sucess 2686 * <0 on failure 2687 */ 2688 int fit_image_set_hashes(void *fit, int image_noffset) 2689 { 2690 const void *data; 2691 size_t size; 2692 char *algo; 2693 uint8_t value[FIT_MAX_HASH_LEN]; 2694 int value_len; 2695 int noffset; 2696 int ndepth; 2697 2698 /* Get image data and data length */ 2699 if (fit_image_get_data(fit, image_noffset, &data, &size)) { 2700 printf("Can't get image data/size\n"); 2701 return -1; 2702 } 2703 2704 /* Process all hash subnodes of the component image node */ 2705 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth); 2706 (noffset >= 0) && (ndepth > 0); 2707 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2708 if (ndepth == 1) { 2709 /* Direct child node of the component image node */ 2710 2711 /* 2712 * Check subnode name, must be equal to "hash". 2713 * Multiple hash nodes require unique unit node 2714 * names, e.g. hash@1, hash@2, etc. 2715 */ 2716 if (strncmp(fit_get_name(fit, noffset, NULL), 2717 FIT_HASH_NODENAME, 2718 strlen(FIT_HASH_NODENAME)) != 0) { 2719 /* Not a hash subnode, skip it */ 2720 continue; 2721 } 2722 2723 if (fit_image_hash_get_algo(fit, noffset, &algo)) { 2724 printf("Can't get hash algo property for " 2725 "'%s' hash node in '%s' image node\n", 2726 fit_get_name(fit, noffset, NULL), 2727 fit_get_name(fit, image_noffset, NULL)); 2728 return -1; 2729 } 2730 2731 if (calculate_hash(data, size, algo, value, 2732 &value_len)) { 2733 printf("Unsupported hash algorithm (%s) for " 2734 "'%s' hash node in '%s' image node\n", 2735 algo, fit_get_name(fit, noffset, NULL), 2736 fit_get_name(fit, image_noffset, 2737 NULL)); 2738 return -1; 2739 } 2740 2741 if (fit_image_hash_set_value(fit, noffset, value, 2742 value_len)) { 2743 printf("Can't set hash value for " 2744 "'%s' hash node in '%s' image node\n", 2745 fit_get_name(fit, noffset, NULL), 2746 fit_get_name(fit, image_noffset, NULL)); 2747 return -1; 2748 } 2749 } 2750 } 2751 2752 return 0; 2753 } 2754 2755 /** 2756 * fit_image_hash_set_value - set hash value in requested has node 2757 * @fit: pointer to the FIT format image header 2758 * @noffset: hash node offset 2759 * @value: hash value to be set 2760 * @value_len: hash value length 2761 * 2762 * fit_image_hash_set_value() attempts to set hash value in a node at offset 2763 * given and returns operation status to the caller. 2764 * 2765 * returns 2766 * 0, on success 2767 * -1, on failure 2768 */ 2769 int fit_image_hash_set_value(void *fit, int noffset, uint8_t *value, 2770 int value_len) 2771 { 2772 int ret; 2773 2774 ret = fdt_setprop(fit, noffset, FIT_VALUE_PROP, value, value_len); 2775 if (ret) { 2776 printf("Can't set hash '%s' property for '%s' node(%s)\n", 2777 FIT_VALUE_PROP, fit_get_name(fit, noffset, NULL), 2778 fdt_strerror(ret)); 2779 return -1; 2780 } 2781 2782 return 0; 2783 } 2784 #endif /* USE_HOSTCC */ 2785 2786 /** 2787 * fit_image_check_hashes - verify data intergity 2788 * @fit: pointer to the FIT format image header 2789 * @image_noffset: component image node offset 2790 * 2791 * fit_image_check_hashes() goes over component image hash nodes, 2792 * re-calculates each data hash and compares with the value stored in hash 2793 * node. 2794 * 2795 * returns: 2796 * 1, if all hashes are valid 2797 * 0, otherwise (or on error) 2798 */ 2799 int fit_image_check_hashes(const void *fit, int image_noffset) 2800 { 2801 const void *data; 2802 size_t size; 2803 char *algo; 2804 uint8_t *fit_value; 2805 int fit_value_len; 2806 #ifndef USE_HOSTCC 2807 int ignore; 2808 #endif 2809 uint8_t value[FIT_MAX_HASH_LEN]; 2810 int value_len; 2811 int noffset; 2812 int ndepth; 2813 char *err_msg = ""; 2814 2815 /* Get image data and data length */ 2816 if (fit_image_get_data(fit, image_noffset, &data, &size)) { 2817 printf("Can't get image data/size\n"); 2818 return 0; 2819 } 2820 2821 /* Process all hash subnodes of the component image node */ 2822 for (ndepth = 0, noffset = fdt_next_node(fit, image_noffset, &ndepth); 2823 (noffset >= 0) && (ndepth > 0); 2824 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2825 if (ndepth == 1) { 2826 /* Direct child node of the component image node */ 2827 2828 /* 2829 * Check subnode name, must be equal to "hash". 2830 * Multiple hash nodes require unique unit node 2831 * names, e.g. hash@1, hash@2, etc. 2832 */ 2833 if (strncmp(fit_get_name(fit, noffset, NULL), 2834 FIT_HASH_NODENAME, 2835 strlen(FIT_HASH_NODENAME)) != 0) 2836 continue; 2837 2838 if (fit_image_hash_get_algo(fit, noffset, &algo)) { 2839 err_msg = " error!\nCan't get hash algo " 2840 "property"; 2841 goto error; 2842 } 2843 printf("%s", algo); 2844 2845 #ifndef USE_HOSTCC 2846 fit_image_hash_get_ignore(fit, noffset, &ignore); 2847 if (ignore) { 2848 printf("-skipped "); 2849 continue; 2850 } 2851 #endif 2852 2853 if (fit_image_hash_get_value(fit, noffset, &fit_value, 2854 &fit_value_len)) { 2855 err_msg = " error!\nCan't get hash value " 2856 "property"; 2857 goto error; 2858 } 2859 2860 if (calculate_hash(data, size, algo, value, 2861 &value_len)) { 2862 err_msg = " error!\n" 2863 "Unsupported hash algorithm"; 2864 goto error; 2865 } 2866 2867 if (value_len != fit_value_len) { 2868 err_msg = " error !\nBad hash value len"; 2869 goto error; 2870 } else if (memcmp(value, fit_value, value_len) != 0) { 2871 err_msg = " error!\nBad hash value"; 2872 goto error; 2873 } 2874 printf("+ "); 2875 } 2876 } 2877 2878 if (noffset == -FDT_ERR_TRUNCATED || noffset == -FDT_ERR_BADSTRUCTURE) { 2879 err_msg = " error!\nCorrupted or truncated tree"; 2880 goto error; 2881 } 2882 2883 return 1; 2884 2885 error: 2886 printf("%s for '%s' hash node in '%s' image node\n", 2887 err_msg, fit_get_name(fit, noffset, NULL), 2888 fit_get_name(fit, image_noffset, NULL)); 2889 return 0; 2890 } 2891 2892 /** 2893 * fit_all_image_check_hashes - verify data intergity for all images 2894 * @fit: pointer to the FIT format image header 2895 * 2896 * fit_all_image_check_hashes() goes over all images in the FIT and 2897 * for every images checks if all it's hashes are valid. 2898 * 2899 * returns: 2900 * 1, if all hashes of all images are valid 2901 * 0, otherwise (or on error) 2902 */ 2903 int fit_all_image_check_hashes(const void *fit) 2904 { 2905 int images_noffset; 2906 int noffset; 2907 int ndepth; 2908 int count; 2909 2910 /* Find images parent node offset */ 2911 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); 2912 if (images_noffset < 0) { 2913 printf("Can't find images parent node '%s' (%s)\n", 2914 FIT_IMAGES_PATH, fdt_strerror(images_noffset)); 2915 return 0; 2916 } 2917 2918 /* Process all image subnodes, check hashes for each */ 2919 printf("## Checking hash(es) for FIT Image at %08lx ...\n", 2920 (ulong)fit); 2921 for (ndepth = 0, count = 0, 2922 noffset = fdt_next_node(fit, images_noffset, &ndepth); 2923 (noffset >= 0) && (ndepth > 0); 2924 noffset = fdt_next_node(fit, noffset, &ndepth)) { 2925 if (ndepth == 1) { 2926 /* 2927 * Direct child node of the images parent node, 2928 * i.e. component image node. 2929 */ 2930 printf(" Hash(es) for Image %u (%s): ", count++, 2931 fit_get_name(fit, noffset, NULL)); 2932 2933 if (!fit_image_check_hashes(fit, noffset)) 2934 return 0; 2935 printf("\n"); 2936 } 2937 } 2938 return 1; 2939 } 2940 2941 /** 2942 * fit_image_check_os - check whether image node is of a given os type 2943 * @fit: pointer to the FIT format image header 2944 * @noffset: component image node offset 2945 * @os: requested image os 2946 * 2947 * fit_image_check_os() reads image os property and compares its numeric 2948 * id with the requested os. Comparison result is returned to the caller. 2949 * 2950 * returns: 2951 * 1 if image is of given os type 2952 * 0 otherwise (or on error) 2953 */ 2954 int fit_image_check_os(const void *fit, int noffset, uint8_t os) 2955 { 2956 uint8_t image_os; 2957 2958 if (fit_image_get_os(fit, noffset, &image_os)) 2959 return 0; 2960 return (os == image_os); 2961 } 2962 2963 /** 2964 * fit_image_check_arch - check whether image node is of a given arch 2965 * @fit: pointer to the FIT format image header 2966 * @noffset: component image node offset 2967 * @arch: requested imagearch 2968 * 2969 * fit_image_check_arch() reads image arch property and compares its numeric 2970 * id with the requested arch. Comparison result is returned to the caller. 2971 * 2972 * returns: 2973 * 1 if image is of given arch 2974 * 0 otherwise (or on error) 2975 */ 2976 int fit_image_check_arch(const void *fit, int noffset, uint8_t arch) 2977 { 2978 uint8_t image_arch; 2979 2980 if (fit_image_get_arch(fit, noffset, &image_arch)) 2981 return 0; 2982 return (arch == image_arch); 2983 } 2984 2985 /** 2986 * fit_image_check_type - check whether image node is of a given type 2987 * @fit: pointer to the FIT format image header 2988 * @noffset: component image node offset 2989 * @type: requested image type 2990 * 2991 * fit_image_check_type() reads image type property and compares its numeric 2992 * id with the requested type. Comparison result is returned to the caller. 2993 * 2994 * returns: 2995 * 1 if image is of given type 2996 * 0 otherwise (or on error) 2997 */ 2998 int fit_image_check_type(const void *fit, int noffset, uint8_t type) 2999 { 3000 uint8_t image_type; 3001 3002 if (fit_image_get_type(fit, noffset, &image_type)) 3003 return 0; 3004 return (type == image_type); 3005 } 3006 3007 /** 3008 * fit_image_check_comp - check whether image node uses given compression 3009 * @fit: pointer to the FIT format image header 3010 * @noffset: component image node offset 3011 * @comp: requested image compression type 3012 * 3013 * fit_image_check_comp() reads image compression property and compares its 3014 * numeric id with the requested compression type. Comparison result is 3015 * returned to the caller. 3016 * 3017 * returns: 3018 * 1 if image uses requested compression 3019 * 0 otherwise (or on error) 3020 */ 3021 int fit_image_check_comp(const void *fit, int noffset, uint8_t comp) 3022 { 3023 uint8_t image_comp; 3024 3025 if (fit_image_get_comp(fit, noffset, &image_comp)) 3026 return 0; 3027 return (comp == image_comp); 3028 } 3029 3030 /** 3031 * fit_check_format - sanity check FIT image format 3032 * @fit: pointer to the FIT format image header 3033 * 3034 * fit_check_format() runs a basic sanity FIT image verification. 3035 * Routine checks for mandatory properties, nodes, etc. 3036 * 3037 * returns: 3038 * 1, on success 3039 * 0, on failure 3040 */ 3041 int fit_check_format(const void *fit) 3042 { 3043 /* mandatory / node 'description' property */ 3044 if (fdt_getprop(fit, 0, FIT_DESC_PROP, NULL) == NULL) { 3045 debug("Wrong FIT format: no description\n"); 3046 return 0; 3047 } 3048 3049 #if defined(CONFIG_TIMESTAMP) || defined(CONFIG_CMD_DATE) || defined(USE_HOSTCC) 3050 /* mandatory / node 'timestamp' property */ 3051 if (fdt_getprop(fit, 0, FIT_TIMESTAMP_PROP, NULL) == NULL) { 3052 debug("Wrong FIT format: no timestamp\n"); 3053 return 0; 3054 } 3055 #endif 3056 3057 /* mandatory subimages parent '/images' node */ 3058 if (fdt_path_offset(fit, FIT_IMAGES_PATH) < 0) { 3059 debug("Wrong FIT format: no images parent node\n"); 3060 return 0; 3061 } 3062 3063 return 1; 3064 } 3065 3066 3067 /** 3068 * fit_conf_find_compat 3069 * @fit: pointer to the FIT format image header 3070 * @fdt: pointer to the device tree to compare against 3071 * 3072 * fit_conf_find_compat() attempts to find the configuration whose fdt is the 3073 * most compatible with the passed in device tree. 3074 * 3075 * Example: 3076 * 3077 * / o image-tree 3078 * |-o images 3079 * | |-o fdt@1 3080 * | |-o fdt@2 3081 * | 3082 * |-o configurations 3083 * |-o config@1 3084 * | |-fdt = fdt@1 3085 * | 3086 * |-o config@2 3087 * |-fdt = fdt@2 3088 * 3089 * / o U-Boot fdt 3090 * |-compatible = "foo,bar", "bim,bam" 3091 * 3092 * / o kernel fdt1 3093 * |-compatible = "foo,bar", 3094 * 3095 * / o kernel fdt2 3096 * |-compatible = "bim,bam", "baz,biz" 3097 * 3098 * Configuration 1 would be picked because the first string in U-Boot's 3099 * compatible list, "foo,bar", matches a compatible string in the root of fdt1. 3100 * "bim,bam" in fdt2 matches the second string which isn't as good as fdt1. 3101 * 3102 * returns: 3103 * offset to the configuration to use if one was found 3104 * -1 otherwise 3105 */ 3106 int fit_conf_find_compat(const void *fit, const void *fdt) 3107 { 3108 int ndepth = 0; 3109 int noffset, confs_noffset, images_noffset; 3110 const void *fdt_compat; 3111 int fdt_compat_len; 3112 int best_match_offset = 0; 3113 int best_match_pos = 0; 3114 3115 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); 3116 images_noffset = fdt_path_offset(fit, FIT_IMAGES_PATH); 3117 if (confs_noffset < 0 || images_noffset < 0) { 3118 debug("Can't find configurations or images nodes.\n"); 3119 return -1; 3120 } 3121 3122 fdt_compat = fdt_getprop(fdt, 0, "compatible", &fdt_compat_len); 3123 if (!fdt_compat) { 3124 debug("Fdt for comparison has no \"compatible\" property.\n"); 3125 return -1; 3126 } 3127 3128 /* 3129 * Loop over the configurations in the FIT image. 3130 */ 3131 for (noffset = fdt_next_node(fit, confs_noffset, &ndepth); 3132 (noffset >= 0) && (ndepth > 0); 3133 noffset = fdt_next_node(fit, noffset, &ndepth)) { 3134 const void *kfdt; 3135 const char *kfdt_name; 3136 int kfdt_noffset; 3137 const char *cur_fdt_compat; 3138 int len; 3139 size_t size; 3140 int i; 3141 3142 if (ndepth > 1) 3143 continue; 3144 3145 kfdt_name = fdt_getprop(fit, noffset, "fdt", &len); 3146 if (!kfdt_name) { 3147 debug("No fdt property found.\n"); 3148 continue; 3149 } 3150 kfdt_noffset = fdt_subnode_offset(fit, images_noffset, 3151 kfdt_name); 3152 if (kfdt_noffset < 0) { 3153 debug("No image node named \"%s\" found.\n", 3154 kfdt_name); 3155 continue; 3156 } 3157 /* 3158 * Get a pointer to this configuration's fdt. 3159 */ 3160 if (fit_image_get_data(fit, kfdt_noffset, &kfdt, &size)) { 3161 debug("Failed to get fdt \"%s\".\n", kfdt_name); 3162 continue; 3163 } 3164 3165 len = fdt_compat_len; 3166 cur_fdt_compat = fdt_compat; 3167 /* 3168 * Look for a match for each U-Boot compatibility string in 3169 * turn in this configuration's fdt. 3170 */ 3171 for (i = 0; len > 0 && 3172 (!best_match_offset || best_match_pos > i); i++) { 3173 int cur_len = strlen(cur_fdt_compat) + 1; 3174 3175 if (!fdt_node_check_compatible(kfdt, 0, 3176 cur_fdt_compat)) { 3177 best_match_offset = noffset; 3178 best_match_pos = i; 3179 break; 3180 } 3181 len -= cur_len; 3182 cur_fdt_compat += cur_len; 3183 } 3184 } 3185 if (!best_match_offset) { 3186 debug("No match found.\n"); 3187 return -1; 3188 } 3189 3190 return best_match_offset; 3191 } 3192 3193 /** 3194 * fit_conf_get_node - get node offset for configuration of a given unit name 3195 * @fit: pointer to the FIT format image header 3196 * @conf_uname: configuration node unit name 3197 * 3198 * fit_conf_get_node() finds a configuration (withing the '/configurations' 3199 * parant node) of a provided unit name. If configuration is found its node offset 3200 * is returned to the caller. 3201 * 3202 * When NULL is provided in second argument fit_conf_get_node() will search 3203 * for a default configuration node instead. Default configuration node unit name 3204 * is retrived from FIT_DEFAULT_PROP property of the '/configurations' node. 3205 * 3206 * returns: 3207 * configuration node offset when found (>=0) 3208 * negative number on failure (FDT_ERR_* code) 3209 */ 3210 int fit_conf_get_node(const void *fit, const char *conf_uname) 3211 { 3212 int noffset, confs_noffset; 3213 int len; 3214 3215 confs_noffset = fdt_path_offset(fit, FIT_CONFS_PATH); 3216 if (confs_noffset < 0) { 3217 debug("Can't find configurations parent node '%s' (%s)\n", 3218 FIT_CONFS_PATH, fdt_strerror(confs_noffset)); 3219 return confs_noffset; 3220 } 3221 3222 if (conf_uname == NULL) { 3223 /* get configuration unit name from the default property */ 3224 debug("No configuration specified, trying default...\n"); 3225 conf_uname = (char *)fdt_getprop(fit, confs_noffset, 3226 FIT_DEFAULT_PROP, &len); 3227 if (conf_uname == NULL) { 3228 fit_get_debug(fit, confs_noffset, FIT_DEFAULT_PROP, 3229 len); 3230 return len; 3231 } 3232 debug("Found default configuration: '%s'\n", conf_uname); 3233 } 3234 3235 noffset = fdt_subnode_offset(fit, confs_noffset, conf_uname); 3236 if (noffset < 0) { 3237 debug("Can't get node offset for configuration unit name: " 3238 "'%s' (%s)\n", 3239 conf_uname, fdt_strerror(noffset)); 3240 } 3241 3242 return noffset; 3243 } 3244 3245 static int __fit_conf_get_prop_node(const void *fit, int noffset, 3246 const char *prop_name) 3247 { 3248 char *uname; 3249 int len; 3250 3251 /* get kernel image unit name from configuration kernel property */ 3252 uname = (char *)fdt_getprop(fit, noffset, prop_name, &len); 3253 if (uname == NULL) 3254 return len; 3255 3256 return fit_image_get_node(fit, uname); 3257 } 3258 3259 /** 3260 * fit_conf_get_kernel_node - get kernel image node offset that corresponds to 3261 * a given configuration 3262 * @fit: pointer to the FIT format image header 3263 * @noffset: configuration node offset 3264 * 3265 * fit_conf_get_kernel_node() retrives kernel image node unit name from 3266 * configuration FIT_KERNEL_PROP property and translates it to the node 3267 * offset. 3268 * 3269 * returns: 3270 * image node offset when found (>=0) 3271 * negative number on failure (FDT_ERR_* code) 3272 */ 3273 int fit_conf_get_kernel_node(const void *fit, int noffset) 3274 { 3275 return __fit_conf_get_prop_node(fit, noffset, FIT_KERNEL_PROP); 3276 } 3277 3278 /** 3279 * fit_conf_get_ramdisk_node - get ramdisk image node offset that corresponds to 3280 * a given configuration 3281 * @fit: pointer to the FIT format image header 3282 * @noffset: configuration node offset 3283 * 3284 * fit_conf_get_ramdisk_node() retrives ramdisk image node unit name from 3285 * configuration FIT_KERNEL_PROP property and translates it to the node 3286 * offset. 3287 * 3288 * returns: 3289 * image node offset when found (>=0) 3290 * negative number on failure (FDT_ERR_* code) 3291 */ 3292 int fit_conf_get_ramdisk_node(const void *fit, int noffset) 3293 { 3294 return __fit_conf_get_prop_node(fit, noffset, FIT_RAMDISK_PROP); 3295 } 3296 3297 /** 3298 * fit_conf_get_fdt_node - get fdt image node offset that corresponds to 3299 * a given configuration 3300 * @fit: pointer to the FIT format image header 3301 * @noffset: configuration node offset 3302 * 3303 * fit_conf_get_fdt_node() retrives fdt image node unit name from 3304 * configuration FIT_KERNEL_PROP property and translates it to the node 3305 * offset. 3306 * 3307 * returns: 3308 * image node offset when found (>=0) 3309 * negative number on failure (FDT_ERR_* code) 3310 */ 3311 int fit_conf_get_fdt_node(const void *fit, int noffset) 3312 { 3313 return __fit_conf_get_prop_node(fit, noffset, FIT_FDT_PROP); 3314 } 3315 3316 /** 3317 * fit_conf_print - prints out the FIT configuration details 3318 * @fit: pointer to the FIT format image header 3319 * @noffset: offset of the configuration node 3320 * @p: pointer to prefix string 3321 * 3322 * fit_conf_print() lists all mandatory properies for the processed 3323 * configuration node. 3324 * 3325 * returns: 3326 * no returned results 3327 */ 3328 void fit_conf_print(const void *fit, int noffset, const char *p) 3329 { 3330 char *desc; 3331 char *uname; 3332 int ret; 3333 3334 /* Mandatory properties */ 3335 ret = fit_get_desc(fit, noffset, &desc); 3336 printf("%s Description: ", p); 3337 if (ret) 3338 printf("unavailable\n"); 3339 else 3340 printf("%s\n", desc); 3341 3342 uname = (char *)fdt_getprop(fit, noffset, FIT_KERNEL_PROP, NULL); 3343 printf("%s Kernel: ", p); 3344 if (uname == NULL) 3345 printf("unavailable\n"); 3346 else 3347 printf("%s\n", uname); 3348 3349 /* Optional properties */ 3350 uname = (char *)fdt_getprop(fit, noffset, FIT_RAMDISK_PROP, NULL); 3351 if (uname) 3352 printf("%s Init Ramdisk: %s\n", p, uname); 3353 3354 uname = (char *)fdt_getprop(fit, noffset, FIT_FDT_PROP, NULL); 3355 if (uname) 3356 printf("%s FDT: %s\n", p, uname); 3357 } 3358 3359 /** 3360 * fit_check_ramdisk - verify FIT format ramdisk subimage 3361 * @fit_hdr: pointer to the FIT ramdisk header 3362 * @rd_noffset: ramdisk subimage node offset within FIT image 3363 * @arch: requested ramdisk image architecture type 3364 * @verify: data CRC verification flag 3365 * 3366 * fit_check_ramdisk() verifies integrity of the ramdisk subimage and from 3367 * specified FIT image. 3368 * 3369 * returns: 3370 * 1, on success 3371 * 0, on failure 3372 */ 3373 #ifndef USE_HOSTCC 3374 static int fit_check_ramdisk(const void *fit, int rd_noffset, uint8_t arch, 3375 int verify) 3376 { 3377 fit_image_print(fit, rd_noffset, " "); 3378 3379 if (verify) { 3380 puts(" Verifying Hash Integrity ... "); 3381 if (!fit_image_check_hashes(fit, rd_noffset)) { 3382 puts("Bad Data Hash\n"); 3383 bootstage_error(BOOTSTAGE_ID_FIT_RD_HASH); 3384 return 0; 3385 } 3386 puts("OK\n"); 3387 } 3388 3389 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL); 3390 if (!fit_image_check_os(fit, rd_noffset, IH_OS_LINUX) || 3391 !fit_image_check_arch(fit, rd_noffset, arch) || 3392 !fit_image_check_type(fit, rd_noffset, IH_TYPE_RAMDISK)) { 3393 printf("No Linux %s Ramdisk Image\n", 3394 genimg_get_arch_name(arch)); 3395 bootstage_error(BOOTSTAGE_ID_FIT_RD_CHECK_ALL); 3396 return 0; 3397 } 3398 3399 bootstage_mark(BOOTSTAGE_ID_FIT_RD_CHECK_ALL_OK); 3400 return 1; 3401 } 3402 #endif /* USE_HOSTCC */ 3403 #endif /* CONFIG_FIT */ 3404