1 /* 2 * (C) Copyright 2008 Semihalf 3 * 4 * (C) Copyright 2000-2006 5 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #ifndef USE_HOSTCC 11 #include <common.h> 12 #include <watchdog.h> 13 14 #ifdef CONFIG_SHOW_BOOT_PROGRESS 15 #include <status_led.h> 16 #endif 17 18 #ifdef CONFIG_HAS_DATAFLASH 19 #include <dataflash.h> 20 #endif 21 22 #ifdef CONFIG_LOGBUFFER 23 #include <logbuff.h> 24 #endif 25 26 #include <rtc.h> 27 28 #include <environment.h> 29 #include <image.h> 30 31 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 32 #include <libfdt.h> 33 #include <fdt_support.h> 34 #endif 35 36 #include <u-boot/md5.h> 37 #include <sha1.h> 38 #include <asm/errno.h> 39 #include <asm/io.h> 40 41 #ifdef CONFIG_CMD_BDI 42 extern int do_bdinfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]); 43 #endif 44 45 DECLARE_GLOBAL_DATA_PTR; 46 47 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 48 int verify); 49 #else 50 #include "mkimage.h" 51 #include <u-boot/md5.h> 52 #include <time.h> 53 #include <image.h> 54 #endif /* !USE_HOSTCC*/ 55 56 #include <u-boot/crc.h> 57 58 #ifndef CONFIG_SYS_BARGSIZE 59 #define CONFIG_SYS_BARGSIZE 512 60 #endif 61 62 static const table_entry_t uimage_arch[] = { 63 { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, 64 { IH_ARCH_ALPHA, "alpha", "Alpha", }, 65 { IH_ARCH_ARM, "arm", "ARM", }, 66 { IH_ARCH_I386, "x86", "Intel x86", }, 67 { IH_ARCH_IA64, "ia64", "IA64", }, 68 { IH_ARCH_M68K, "m68k", "M68K", }, 69 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, 70 { IH_ARCH_MIPS, "mips", "MIPS", }, 71 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, 72 { IH_ARCH_NIOS2, "nios2", "NIOS II", }, 73 { IH_ARCH_PPC, "powerpc", "PowerPC", }, 74 { IH_ARCH_PPC, "ppc", "PowerPC", }, 75 { IH_ARCH_S390, "s390", "IBM S390", }, 76 { IH_ARCH_SH, "sh", "SuperH", }, 77 { IH_ARCH_SPARC, "sparc", "SPARC", }, 78 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, 79 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, 80 { IH_ARCH_AVR32, "avr32", "AVR32", }, 81 { IH_ARCH_NDS32, "nds32", "NDS32", }, 82 { IH_ARCH_OPENRISC, "or1k", "OpenRISC 1000",}, 83 { IH_ARCH_SANDBOX, "sandbox", "Sandbox", }, 84 { IH_ARCH_ARM64, "arm64", "AArch64", }, 85 { IH_ARCH_ARC, "arc", "ARC", }, 86 { -1, "", "", }, 87 }; 88 89 static const table_entry_t uimage_os[] = { 90 { IH_OS_INVALID, NULL, "Invalid OS", }, 91 { IH_OS_LINUX, "linux", "Linux", }, 92 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 93 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 94 #endif 95 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 96 { IH_OS_OSE, "ose", "Enea OSE", }, 97 { IH_OS_PLAN9, "plan9", "Plan 9", }, 98 { IH_OS_RTEMS, "rtems", "RTEMS", }, 99 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 100 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 101 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 102 { IH_OS_QNX, "qnx", "QNX", }, 103 #endif 104 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC) 105 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", }, 106 #endif 107 #ifdef USE_HOSTCC 108 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 109 { IH_OS_DELL, "dell", "Dell", }, 110 { IH_OS_ESIX, "esix", "Esix", }, 111 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 112 { IH_OS_IRIX, "irix", "Irix", }, 113 { IH_OS_NCR, "ncr", "NCR", }, 114 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 115 { IH_OS_PSOS, "psos", "pSOS", }, 116 { IH_OS_SCO, "sco", "SCO", }, 117 { IH_OS_SOLARIS, "solaris", "Solaris", }, 118 { IH_OS_SVR4, "svr4", "SVR4", }, 119 #endif 120 { -1, "", "", }, 121 }; 122 123 static const table_entry_t uimage_type[] = { 124 { IH_TYPE_AISIMAGE, "aisimage", "Davinci AIS image",}, 125 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 126 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 127 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 128 { IH_TYPE_GPIMAGE, "gpimage", "TI Keystone SPL Image",}, 129 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 130 { IH_TYPE_KERNEL_NOLOAD, "kernel_noload", "Kernel Image (no loading done)", }, 131 { IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",}, 132 { IH_TYPE_IMXIMAGE, "imximage", "Freescale i.MX Boot Image",}, 133 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 134 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 135 { IH_TYPE_OMAPIMAGE, "omapimage", "TI OMAP SPL With GP CH",}, 136 { IH_TYPE_PBLIMAGE, "pblimage", "Freescale PBL Boot Image",}, 137 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 138 { IH_TYPE_SCRIPT, "script", "Script", }, 139 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 140 { IH_TYPE_UBLIMAGE, "ublimage", "Davinci UBL image",}, 141 { IH_TYPE_MXSIMAGE, "mxsimage", "Freescale MXS Boot Image",}, 142 { IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",}, 143 { -1, "", "", }, 144 }; 145 146 static const table_entry_t uimage_comp[] = { 147 { IH_COMP_NONE, "none", "uncompressed", }, 148 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 149 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 150 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 151 { IH_COMP_LZO, "lzo", "lzo compressed", }, 152 { -1, "", "", }, 153 }; 154 155 /*****************************************************************************/ 156 /* Legacy format routines */ 157 /*****************************************************************************/ 158 int image_check_hcrc(const image_header_t *hdr) 159 { 160 ulong hcrc; 161 ulong len = image_get_header_size(); 162 image_header_t header; 163 164 /* Copy header so we can blank CRC field for re-calculation */ 165 memmove(&header, (char *)hdr, image_get_header_size()); 166 image_set_hcrc(&header, 0); 167 168 hcrc = crc32(0, (unsigned char *)&header, len); 169 170 return (hcrc == image_get_hcrc(hdr)); 171 } 172 173 int image_check_dcrc(const image_header_t *hdr) 174 { 175 ulong data = image_get_data(hdr); 176 ulong len = image_get_data_size(hdr); 177 ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32); 178 179 return (dcrc == image_get_dcrc(hdr)); 180 } 181 182 /** 183 * image_multi_count - get component (sub-image) count 184 * @hdr: pointer to the header of the multi component image 185 * 186 * image_multi_count() returns number of components in a multi 187 * component image. 188 * 189 * Note: no checking of the image type is done, caller must pass 190 * a valid multi component image. 191 * 192 * returns: 193 * number of components 194 */ 195 ulong image_multi_count(const image_header_t *hdr) 196 { 197 ulong i, count = 0; 198 uint32_t *size; 199 200 /* get start of the image payload, which in case of multi 201 * component images that points to a table of component sizes */ 202 size = (uint32_t *)image_get_data(hdr); 203 204 /* count non empty slots */ 205 for (i = 0; size[i]; ++i) 206 count++; 207 208 return count; 209 } 210 211 /** 212 * image_multi_getimg - get component data address and size 213 * @hdr: pointer to the header of the multi component image 214 * @idx: index of the requested component 215 * @data: pointer to a ulong variable, will hold component data address 216 * @len: pointer to a ulong variable, will hold component size 217 * 218 * image_multi_getimg() returns size and data address for the requested 219 * component in a multi component image. 220 * 221 * Note: no checking of the image type is done, caller must pass 222 * a valid multi component image. 223 * 224 * returns: 225 * data address and size of the component, if idx is valid 226 * 0 in data and len, if idx is out of range 227 */ 228 void image_multi_getimg(const image_header_t *hdr, ulong idx, 229 ulong *data, ulong *len) 230 { 231 int i; 232 uint32_t *size; 233 ulong offset, count, img_data; 234 235 /* get number of component */ 236 count = image_multi_count(hdr); 237 238 /* get start of the image payload, which in case of multi 239 * component images that points to a table of component sizes */ 240 size = (uint32_t *)image_get_data(hdr); 241 242 /* get address of the proper component data start, which means 243 * skipping sizes table (add 1 for last, null entry) */ 244 img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t); 245 246 if (idx < count) { 247 *len = uimage_to_cpu(size[idx]); 248 offset = 0; 249 250 /* go over all indices preceding requested component idx */ 251 for (i = 0; i < idx; i++) { 252 /* add up i-th component size, rounding up to 4 bytes */ 253 offset += (uimage_to_cpu(size[i]) + 3) & ~3 ; 254 } 255 256 /* calculate idx-th component data address */ 257 *data = img_data + offset; 258 } else { 259 *len = 0; 260 *data = 0; 261 } 262 } 263 264 static void image_print_type(const image_header_t *hdr) 265 { 266 const char *os, *arch, *type, *comp; 267 268 os = genimg_get_os_name(image_get_os(hdr)); 269 arch = genimg_get_arch_name(image_get_arch(hdr)); 270 type = genimg_get_type_name(image_get_type(hdr)); 271 comp = genimg_get_comp_name(image_get_comp(hdr)); 272 273 printf("%s %s %s (%s)\n", arch, os, type, comp); 274 } 275 276 /** 277 * image_print_contents - prints out the contents of the legacy format image 278 * @ptr: pointer to the legacy format image header 279 * @p: pointer to prefix string 280 * 281 * image_print_contents() formats a multi line legacy image contents description. 282 * The routine prints out all header fields followed by the size/offset data 283 * for MULTI/SCRIPT images. 284 * 285 * returns: 286 * no returned results 287 */ 288 void image_print_contents(const void *ptr) 289 { 290 const image_header_t *hdr = (const image_header_t *)ptr; 291 const char *p; 292 293 p = IMAGE_INDENT_STRING; 294 printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr)); 295 if (IMAGE_ENABLE_TIMESTAMP) { 296 printf("%sCreated: ", p); 297 genimg_print_time((time_t)image_get_time(hdr)); 298 } 299 printf("%sImage Type: ", p); 300 image_print_type(hdr); 301 printf("%sData Size: ", p); 302 genimg_print_size(image_get_data_size(hdr)); 303 printf("%sLoad Address: %08x\n", p, image_get_load(hdr)); 304 printf("%sEntry Point: %08x\n", p, image_get_ep(hdr)); 305 306 if (image_check_type(hdr, IH_TYPE_MULTI) || 307 image_check_type(hdr, IH_TYPE_SCRIPT)) { 308 int i; 309 ulong data, len; 310 ulong count = image_multi_count(hdr); 311 312 printf("%sContents:\n", p); 313 for (i = 0; i < count; i++) { 314 image_multi_getimg(hdr, i, &data, &len); 315 316 printf("%s Image %d: ", p, i); 317 genimg_print_size(len); 318 319 if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) { 320 /* 321 * the user may need to know offsets 322 * if planning to do something with 323 * multiple files 324 */ 325 printf("%s Offset = 0x%08lx\n", p, data); 326 } 327 } 328 } 329 } 330 331 332 #ifndef USE_HOSTCC 333 /** 334 * image_get_ramdisk - get and verify ramdisk image 335 * @rd_addr: ramdisk image start address 336 * @arch: expected ramdisk architecture 337 * @verify: checksum verification flag 338 * 339 * image_get_ramdisk() returns a pointer to the verified ramdisk image 340 * header. Routine receives image start address and expected architecture 341 * flag. Verification done covers data and header integrity and os/type/arch 342 * fields checking. 343 * 344 * If dataflash support is enabled routine checks for dataflash addresses 345 * and handles required dataflash reads. 346 * 347 * returns: 348 * pointer to a ramdisk image header, if image was found and valid 349 * otherwise, return NULL 350 */ 351 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 352 int verify) 353 { 354 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 355 356 if (!image_check_magic(rd_hdr)) { 357 puts("Bad Magic Number\n"); 358 bootstage_error(BOOTSTAGE_ID_RD_MAGIC); 359 return NULL; 360 } 361 362 if (!image_check_hcrc(rd_hdr)) { 363 puts("Bad Header Checksum\n"); 364 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 365 return NULL; 366 } 367 368 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC); 369 image_print_contents(rd_hdr); 370 371 if (verify) { 372 puts(" Verifying Checksum ... "); 373 if (!image_check_dcrc(rd_hdr)) { 374 puts("Bad Data CRC\n"); 375 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM); 376 return NULL; 377 } 378 puts("OK\n"); 379 } 380 381 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 382 383 if (!image_check_os(rd_hdr, IH_OS_LINUX) || 384 !image_check_arch(rd_hdr, arch) || 385 !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) { 386 printf("No Linux %s Ramdisk Image\n", 387 genimg_get_arch_name(arch)); 388 bootstage_error(BOOTSTAGE_ID_RAMDISK); 389 return NULL; 390 } 391 392 return rd_hdr; 393 } 394 #endif /* !USE_HOSTCC */ 395 396 /*****************************************************************************/ 397 /* Shared dual-format routines */ 398 /*****************************************************************************/ 399 #ifndef USE_HOSTCC 400 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */ 401 ulong save_addr; /* Default Save Address */ 402 ulong save_size; /* Default Save Size (in bytes) */ 403 404 static int on_loadaddr(const char *name, const char *value, enum env_op op, 405 int flags) 406 { 407 switch (op) { 408 case env_op_create: 409 case env_op_overwrite: 410 load_addr = simple_strtoul(value, NULL, 16); 411 break; 412 default: 413 break; 414 } 415 416 return 0; 417 } 418 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr); 419 420 ulong getenv_bootm_low(void) 421 { 422 char *s = getenv("bootm_low"); 423 if (s) { 424 ulong tmp = simple_strtoul(s, NULL, 16); 425 return tmp; 426 } 427 428 #if defined(CONFIG_SYS_SDRAM_BASE) 429 return CONFIG_SYS_SDRAM_BASE; 430 #elif defined(CONFIG_ARM) 431 return gd->bd->bi_dram[0].start; 432 #else 433 return 0; 434 #endif 435 } 436 437 phys_size_t getenv_bootm_size(void) 438 { 439 phys_size_t tmp; 440 char *s = getenv("bootm_size"); 441 if (s) { 442 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 443 return tmp; 444 } 445 s = getenv("bootm_low"); 446 if (s) 447 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 448 else 449 tmp = 0; 450 451 452 #if defined(CONFIG_ARM) 453 return gd->bd->bi_dram[0].size - tmp; 454 #else 455 return gd->bd->bi_memsize - tmp; 456 #endif 457 } 458 459 phys_size_t getenv_bootm_mapsize(void) 460 { 461 phys_size_t tmp; 462 char *s = getenv("bootm_mapsize"); 463 if (s) { 464 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 465 return tmp; 466 } 467 468 #if defined(CONFIG_SYS_BOOTMAPSZ) 469 return CONFIG_SYS_BOOTMAPSZ; 470 #else 471 return getenv_bootm_size(); 472 #endif 473 } 474 475 void memmove_wd(void *to, void *from, size_t len, ulong chunksz) 476 { 477 if (to == from) 478 return; 479 480 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 481 while (len > 0) { 482 size_t tail = (len > chunksz) ? chunksz : len; 483 WATCHDOG_RESET(); 484 memmove(to, from, tail); 485 to += tail; 486 from += tail; 487 len -= tail; 488 } 489 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 490 memmove(to, from, len); 491 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 492 } 493 #endif /* !USE_HOSTCC */ 494 495 void genimg_print_size(uint32_t size) 496 { 497 #ifndef USE_HOSTCC 498 printf("%d Bytes = ", size); 499 print_size(size, "\n"); 500 #else 501 printf("%d Bytes = %.2f kB = %.2f MB\n", 502 size, (double)size / 1.024e3, 503 (double)size / 1.048576e6); 504 #endif 505 } 506 507 #if IMAGE_ENABLE_TIMESTAMP 508 void genimg_print_time(time_t timestamp) 509 { 510 #ifndef USE_HOSTCC 511 struct rtc_time tm; 512 513 to_tm(timestamp, &tm); 514 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 515 tm.tm_year, tm.tm_mon, tm.tm_mday, 516 tm.tm_hour, tm.tm_min, tm.tm_sec); 517 #else 518 printf("%s", ctime(×tamp)); 519 #endif 520 } 521 #endif 522 523 /** 524 * get_table_entry_name - translate entry id to long name 525 * @table: pointer to a translation table for entries of a specific type 526 * @msg: message to be returned when translation fails 527 * @id: entry id to be translated 528 * 529 * get_table_entry_name() will go over translation table trying to find 530 * entry that matches given id. If matching entry is found, its long 531 * name is returned to the caller. 532 * 533 * returns: 534 * long entry name if translation succeeds 535 * msg otherwise 536 */ 537 char *get_table_entry_name(const table_entry_t *table, char *msg, int id) 538 { 539 for (; table->id >= 0; ++table) { 540 if (table->id == id) 541 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC) 542 return table->lname; 543 #else 544 return table->lname + gd->reloc_off; 545 #endif 546 } 547 return (msg); 548 } 549 550 const char *genimg_get_os_name(uint8_t os) 551 { 552 return (get_table_entry_name(uimage_os, "Unknown OS", os)); 553 } 554 555 const char *genimg_get_arch_name(uint8_t arch) 556 { 557 return (get_table_entry_name(uimage_arch, "Unknown Architecture", 558 arch)); 559 } 560 561 const char *genimg_get_type_name(uint8_t type) 562 { 563 return (get_table_entry_name(uimage_type, "Unknown Image", type)); 564 } 565 566 const char *genimg_get_comp_name(uint8_t comp) 567 { 568 return (get_table_entry_name(uimage_comp, "Unknown Compression", 569 comp)); 570 } 571 572 /** 573 * get_table_entry_id - translate short entry name to id 574 * @table: pointer to a translation table for entries of a specific type 575 * @table_name: to be used in case of error 576 * @name: entry short name to be translated 577 * 578 * get_table_entry_id() will go over translation table trying to find 579 * entry that matches given short name. If matching entry is found, 580 * its id returned to the caller. 581 * 582 * returns: 583 * entry id if translation succeeds 584 * -1 otherwise 585 */ 586 int get_table_entry_id(const table_entry_t *table, 587 const char *table_name, const char *name) 588 { 589 const table_entry_t *t; 590 #ifdef USE_HOSTCC 591 int first = 1; 592 593 for (t = table; t->id >= 0; ++t) { 594 if (t->sname && strcasecmp(t->sname, name) == 0) 595 return(t->id); 596 } 597 598 fprintf(stderr, "\nInvalid %s Type - valid names are", table_name); 599 for (t = table; t->id >= 0; ++t) { 600 if (t->sname == NULL) 601 continue; 602 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname); 603 first = 0; 604 } 605 fprintf(stderr, "\n"); 606 #else 607 for (t = table; t->id >= 0; ++t) { 608 #ifdef CONFIG_NEEDS_MANUAL_RELOC 609 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) 610 #else 611 if (t->sname && strcmp(t->sname, name) == 0) 612 #endif 613 return (t->id); 614 } 615 debug("Invalid %s Type: %s\n", table_name, name); 616 #endif /* USE_HOSTCC */ 617 return (-1); 618 } 619 620 int genimg_get_os_id(const char *name) 621 { 622 return (get_table_entry_id(uimage_os, "OS", name)); 623 } 624 625 int genimg_get_arch_id(const char *name) 626 { 627 return (get_table_entry_id(uimage_arch, "CPU", name)); 628 } 629 630 int genimg_get_type_id(const char *name) 631 { 632 return (get_table_entry_id(uimage_type, "Image", name)); 633 } 634 635 int genimg_get_comp_id(const char *name) 636 { 637 return (get_table_entry_id(uimage_comp, "Compression", name)); 638 } 639 640 #ifndef USE_HOSTCC 641 /** 642 * genimg_get_format - get image format type 643 * @img_addr: image start address 644 * 645 * genimg_get_format() checks whether provided address points to a valid 646 * legacy or FIT image. 647 * 648 * New uImage format and FDT blob are based on a libfdt. FDT blob 649 * may be passed directly or embedded in a FIT image. In both situations 650 * genimg_get_format() must be able to dectect libfdt header. 651 * 652 * returns: 653 * image format type or IMAGE_FORMAT_INVALID if no image is present 654 */ 655 int genimg_get_format(const void *img_addr) 656 { 657 ulong format = IMAGE_FORMAT_INVALID; 658 const image_header_t *hdr; 659 660 hdr = (const image_header_t *)img_addr; 661 if (image_check_magic(hdr)) 662 format = IMAGE_FORMAT_LEGACY; 663 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 664 else if (fdt_check_header(img_addr) == 0) 665 format = IMAGE_FORMAT_FIT; 666 #endif 667 #ifdef CONFIG_ANDROID_BOOT_IMAGE 668 else if (android_image_check_header(img_addr) == 0) 669 format = IMAGE_FORMAT_ANDROID; 670 #endif 671 672 return format; 673 } 674 675 /** 676 * genimg_get_image - get image from special storage (if necessary) 677 * @img_addr: image start address 678 * 679 * genimg_get_image() checks if provided image start adddress is located 680 * in a dataflash storage. If so, image is moved to a system RAM memory. 681 * 682 * returns: 683 * image start address after possible relocation from special storage 684 */ 685 ulong genimg_get_image(ulong img_addr) 686 { 687 ulong ram_addr = img_addr; 688 689 #ifdef CONFIG_HAS_DATAFLASH 690 ulong h_size, d_size; 691 692 if (addr_dataflash(img_addr)) { 693 void *buf; 694 695 /* ger RAM address */ 696 ram_addr = CONFIG_SYS_LOAD_ADDR; 697 698 /* get header size */ 699 h_size = image_get_header_size(); 700 #if defined(CONFIG_FIT) 701 if (sizeof(struct fdt_header) > h_size) 702 h_size = sizeof(struct fdt_header); 703 #endif 704 705 /* read in header */ 706 debug(" Reading image header from dataflash address " 707 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 708 709 buf = map_sysmem(ram_addr, 0); 710 read_dataflash(img_addr, h_size, buf); 711 712 /* get data size */ 713 switch (genimg_get_format(buf)) { 714 case IMAGE_FORMAT_LEGACY: 715 d_size = image_get_data_size(buf); 716 debug(" Legacy format image found at 0x%08lx, " 717 "size 0x%08lx\n", 718 ram_addr, d_size); 719 break; 720 #if defined(CONFIG_FIT) 721 case IMAGE_FORMAT_FIT: 722 d_size = fit_get_size(buf) - h_size; 723 debug(" FIT/FDT format image found at 0x%08lx, " 724 "size 0x%08lx\n", 725 ram_addr, d_size); 726 break; 727 #endif 728 default: 729 printf(" No valid image found at 0x%08lx\n", 730 img_addr); 731 return ram_addr; 732 } 733 734 /* read in image data */ 735 debug(" Reading image remaining data from dataflash address " 736 "%08lx to RAM address %08lx\n", img_addr + h_size, 737 ram_addr + h_size); 738 739 read_dataflash(img_addr + h_size, d_size, 740 (char *)(buf + h_size)); 741 742 } 743 #endif /* CONFIG_HAS_DATAFLASH */ 744 745 return ram_addr; 746 } 747 748 /** 749 * fit_has_config - check if there is a valid FIT configuration 750 * @images: pointer to the bootm command headers structure 751 * 752 * fit_has_config() checks if there is a FIT configuration in use 753 * (if FTI support is present). 754 * 755 * returns: 756 * 0, no FIT support or no configuration found 757 * 1, configuration found 758 */ 759 int genimg_has_config(bootm_headers_t *images) 760 { 761 #if defined(CONFIG_FIT) 762 if (images->fit_uname_cfg) 763 return 1; 764 #endif 765 return 0; 766 } 767 768 /** 769 * boot_get_ramdisk - main ramdisk handling routine 770 * @argc: command argument count 771 * @argv: command argument list 772 * @images: pointer to the bootm images structure 773 * @arch: expected ramdisk architecture 774 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 775 * @rd_end: pointer to a ulong variable, will hold ramdisk end 776 * 777 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 778 * Curently supported are the following ramdisk sources: 779 * - multicomponent kernel/ramdisk image, 780 * - commandline provided address of decicated ramdisk image. 781 * 782 * returns: 783 * 0, if ramdisk image was found and valid, or skiped 784 * rd_start and rd_end are set to ramdisk start/end addresses if 785 * ramdisk image is found and valid 786 * 787 * 1, if ramdisk image is found but corrupted, or invalid 788 * rd_start and rd_end are set to 0 if no ramdisk exists 789 */ 790 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, 791 uint8_t arch, ulong *rd_start, ulong *rd_end) 792 { 793 ulong rd_addr, rd_load; 794 ulong rd_data, rd_len; 795 const image_header_t *rd_hdr; 796 void *buf; 797 #ifdef CONFIG_SUPPORT_RAW_INITRD 798 char *end; 799 #endif 800 #if defined(CONFIG_FIT) 801 const char *fit_uname_config = images->fit_uname_cfg; 802 const char *fit_uname_ramdisk = NULL; 803 ulong default_addr; 804 int rd_noffset; 805 #endif 806 const char *select = NULL; 807 808 *rd_start = 0; 809 *rd_end = 0; 810 811 if (argc >= 2) 812 select = argv[1]; 813 /* 814 * Look for a '-' which indicates to ignore the 815 * ramdisk argument 816 */ 817 if (select && strcmp(select, "-") == 0) { 818 debug("## Skipping init Ramdisk\n"); 819 rd_len = rd_data = 0; 820 } else if (select || genimg_has_config(images)) { 821 #if defined(CONFIG_FIT) 822 if (select) { 823 /* 824 * If the init ramdisk comes from the FIT image and 825 * the FIT image address is omitted in the command 826 * line argument, try to use os FIT image address or 827 * default load address. 828 */ 829 if (images->fit_uname_os) 830 default_addr = (ulong)images->fit_hdr_os; 831 else 832 default_addr = load_addr; 833 834 if (fit_parse_conf(select, default_addr, 835 &rd_addr, &fit_uname_config)) { 836 debug("* ramdisk: config '%s' from image at " 837 "0x%08lx\n", 838 fit_uname_config, rd_addr); 839 } else if (fit_parse_subimage(select, default_addr, 840 &rd_addr, &fit_uname_ramdisk)) { 841 debug("* ramdisk: subimage '%s' from image at " 842 "0x%08lx\n", 843 fit_uname_ramdisk, rd_addr); 844 } else 845 #endif 846 { 847 rd_addr = simple_strtoul(select, NULL, 16); 848 debug("* ramdisk: cmdline image address = " 849 "0x%08lx\n", 850 rd_addr); 851 } 852 #if defined(CONFIG_FIT) 853 } else { 854 /* use FIT configuration provided in first bootm 855 * command argument. If the property is not defined, 856 * quit silently. 857 */ 858 rd_addr = map_to_sysmem(images->fit_hdr_os); 859 rd_noffset = fit_get_node_from_config(images, 860 FIT_RAMDISK_PROP, rd_addr); 861 if (rd_noffset == -ENOLINK) 862 return 0; 863 else if (rd_noffset < 0) 864 return 1; 865 } 866 #endif 867 868 /* copy from dataflash if needed */ 869 rd_addr = genimg_get_image(rd_addr); 870 871 /* 872 * Check if there is an initrd image at the 873 * address provided in the second bootm argument 874 * check image type, for FIT images get FIT node. 875 */ 876 buf = map_sysmem(rd_addr, 0); 877 switch (genimg_get_format(buf)) { 878 case IMAGE_FORMAT_LEGACY: 879 printf("## Loading init Ramdisk from Legacy " 880 "Image at %08lx ...\n", rd_addr); 881 882 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK); 883 rd_hdr = image_get_ramdisk(rd_addr, arch, 884 images->verify); 885 886 if (rd_hdr == NULL) 887 return 1; 888 889 rd_data = image_get_data(rd_hdr); 890 rd_len = image_get_data_size(rd_hdr); 891 rd_load = image_get_load(rd_hdr); 892 break; 893 #if defined(CONFIG_FIT) 894 case IMAGE_FORMAT_FIT: 895 rd_noffset = fit_image_load(images, FIT_RAMDISK_PROP, 896 rd_addr, &fit_uname_ramdisk, 897 &fit_uname_config, arch, 898 IH_TYPE_RAMDISK, 899 BOOTSTAGE_ID_FIT_RD_START, 900 FIT_LOAD_IGNORED, &rd_data, &rd_len); 901 if (rd_noffset < 0) 902 return 1; 903 904 images->fit_hdr_rd = map_sysmem(rd_addr, 0); 905 images->fit_uname_rd = fit_uname_ramdisk; 906 images->fit_noffset_rd = rd_noffset; 907 break; 908 #endif 909 default: 910 #ifdef CONFIG_SUPPORT_RAW_INITRD 911 end = NULL; 912 if (select) 913 end = strchr(select, ':'); 914 if (end) { 915 rd_len = simple_strtoul(++end, NULL, 16); 916 rd_data = rd_addr; 917 } else 918 #endif 919 { 920 puts("Wrong Ramdisk Image Format\n"); 921 rd_data = rd_len = rd_load = 0; 922 return 1; 923 } 924 } 925 } else if (images->legacy_hdr_valid && 926 image_check_type(&images->legacy_hdr_os_copy, 927 IH_TYPE_MULTI)) { 928 929 /* 930 * Now check if we have a legacy mult-component image, 931 * get second entry data start address and len. 932 */ 933 bootstage_mark(BOOTSTAGE_ID_RAMDISK); 934 printf("## Loading init Ramdisk from multi component " 935 "Legacy Image at %08lx ...\n", 936 (ulong)images->legacy_hdr_os); 937 938 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len); 939 } 940 #ifdef CONFIG_ANDROID_BOOT_IMAGE 941 else if ((genimg_get_format(images) == IMAGE_FORMAT_ANDROID) && 942 (!android_image_get_ramdisk((void *)images->os.start, 943 &rd_data, &rd_len))) { 944 /* empty */ 945 } 946 #endif 947 else { 948 /* 949 * no initrd image 950 */ 951 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK); 952 rd_len = rd_data = 0; 953 } 954 955 if (!rd_data) { 956 debug("## No init Ramdisk\n"); 957 } else { 958 *rd_start = rd_data; 959 *rd_end = rd_data + rd_len; 960 } 961 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 962 *rd_start, *rd_end); 963 964 return 0; 965 } 966 967 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH 968 /** 969 * boot_ramdisk_high - relocate init ramdisk 970 * @lmb: pointer to lmb handle, will be used for memory mgmt 971 * @rd_data: ramdisk data start address 972 * @rd_len: ramdisk data length 973 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 974 * start address (after possible relocation) 975 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 976 * end address (after possible relocation) 977 * 978 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment 979 * variable and if requested ramdisk data is moved to a specified location. 980 * 981 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 982 * start/end addresses if ramdisk image start and len were provided, 983 * otherwise set initrd_start and initrd_end set to zeros. 984 * 985 * returns: 986 * 0 - success 987 * -1 - failure 988 */ 989 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, 990 ulong *initrd_start, ulong *initrd_end) 991 { 992 char *s; 993 ulong initrd_high; 994 int initrd_copy_to_ram = 1; 995 996 if ((s = getenv("initrd_high")) != NULL) { 997 /* a value of "no" or a similar string will act like 0, 998 * turning the "load high" feature off. This is intentional. 999 */ 1000 initrd_high = simple_strtoul(s, NULL, 16); 1001 if (initrd_high == ~0) 1002 initrd_copy_to_ram = 0; 1003 } else { 1004 /* not set, no restrictions to load high */ 1005 initrd_high = ~0; 1006 } 1007 1008 1009 #ifdef CONFIG_LOGBUFFER 1010 /* Prevent initrd from overwriting logbuffer */ 1011 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1012 #endif 1013 1014 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1015 initrd_high, initrd_copy_to_ram); 1016 1017 if (rd_data) { 1018 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1019 debug(" in-place initrd\n"); 1020 *initrd_start = rd_data; 1021 *initrd_end = rd_data + rd_len; 1022 lmb_reserve(lmb, rd_data, rd_len); 1023 } else { 1024 if (initrd_high) 1025 *initrd_start = (ulong)lmb_alloc_base(lmb, 1026 rd_len, 0x1000, initrd_high); 1027 else 1028 *initrd_start = (ulong)lmb_alloc(lmb, rd_len, 1029 0x1000); 1030 1031 if (*initrd_start == 0) { 1032 puts("ramdisk - allocation error\n"); 1033 goto error; 1034 } 1035 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK); 1036 1037 *initrd_end = *initrd_start + rd_len; 1038 printf(" Loading Ramdisk to %08lx, end %08lx ... ", 1039 *initrd_start, *initrd_end); 1040 1041 memmove_wd((void *)*initrd_start, 1042 (void *)rd_data, rd_len, CHUNKSZ); 1043 1044 #ifdef CONFIG_MP 1045 /* 1046 * Ensure the image is flushed to memory to handle 1047 * AMP boot scenarios in which we might not be 1048 * HW cache coherent 1049 */ 1050 flush_cache((unsigned long)*initrd_start, rd_len); 1051 #endif 1052 puts("OK\n"); 1053 } 1054 } else { 1055 *initrd_start = 0; 1056 *initrd_end = 0; 1057 } 1058 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1059 *initrd_start, *initrd_end); 1060 1061 return 0; 1062 1063 error: 1064 return -1; 1065 } 1066 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */ 1067 1068 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE 1069 /** 1070 * boot_get_cmdline - allocate and initialize kernel cmdline 1071 * @lmb: pointer to lmb handle, will be used for memory mgmt 1072 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1073 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1074 * 1075 * boot_get_cmdline() allocates space for kernel command line below 1076 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt 1077 * variable is present its contents is copied to allocated kernel 1078 * command line. 1079 * 1080 * returns: 1081 * 0 - success 1082 * -1 - failure 1083 */ 1084 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end) 1085 { 1086 char *cmdline; 1087 char *s; 1088 1089 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1090 getenv_bootm_mapsize() + getenv_bootm_low()); 1091 1092 if (cmdline == NULL) 1093 return -1; 1094 1095 if ((s = getenv("bootargs")) == NULL) 1096 s = ""; 1097 1098 strcpy(cmdline, s); 1099 1100 *cmd_start = (ulong) & cmdline[0]; 1101 *cmd_end = *cmd_start + strlen(cmdline); 1102 1103 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1104 1105 return 0; 1106 } 1107 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */ 1108 1109 #ifdef CONFIG_SYS_BOOT_GET_KBD 1110 /** 1111 * boot_get_kbd - allocate and initialize kernel copy of board info 1112 * @lmb: pointer to lmb handle, will be used for memory mgmt 1113 * @kbd: double pointer to board info data 1114 * 1115 * boot_get_kbd() allocates space for kernel copy of board info data below 1116 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized 1117 * with the current u-boot board info data. 1118 * 1119 * returns: 1120 * 0 - success 1121 * -1 - failure 1122 */ 1123 int boot_get_kbd(struct lmb *lmb, bd_t **kbd) 1124 { 1125 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1126 getenv_bootm_mapsize() + getenv_bootm_low()); 1127 if (*kbd == NULL) 1128 return -1; 1129 1130 **kbd = *(gd->bd); 1131 1132 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1133 1134 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1135 do_bdinfo(NULL, 0, 0, NULL); 1136 #endif 1137 1138 return 0; 1139 } 1140 #endif /* CONFIG_SYS_BOOT_GET_KBD */ 1141 1142 #ifdef CONFIG_LMB 1143 int image_setup_linux(bootm_headers_t *images) 1144 { 1145 ulong of_size = images->ft_len; 1146 char **of_flat_tree = &images->ft_addr; 1147 ulong *initrd_start = &images->initrd_start; 1148 ulong *initrd_end = &images->initrd_end; 1149 struct lmb *lmb = &images->lmb; 1150 ulong rd_len; 1151 int ret; 1152 1153 if (IMAGE_ENABLE_OF_LIBFDT) 1154 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); 1155 1156 if (IMAGE_BOOT_GET_CMDLINE) { 1157 ret = boot_get_cmdline(lmb, &images->cmdline_start, 1158 &images->cmdline_end); 1159 if (ret) { 1160 puts("ERROR with allocation of cmdline\n"); 1161 return ret; 1162 } 1163 } 1164 if (IMAGE_ENABLE_RAMDISK_HIGH) { 1165 rd_len = images->rd_end - images->rd_start; 1166 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len, 1167 initrd_start, initrd_end); 1168 if (ret) 1169 return ret; 1170 } 1171 1172 if (IMAGE_ENABLE_OF_LIBFDT) { 1173 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); 1174 if (ret) 1175 return ret; 1176 } 1177 1178 if (IMAGE_ENABLE_OF_LIBFDT && of_size) { 1179 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb); 1180 if (ret) 1181 return ret; 1182 } 1183 1184 return 0; 1185 } 1186 #endif /* CONFIG_LMB */ 1187 #endif /* !USE_HOSTCC */ 1188