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 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 48 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 49 int verify); 50 #endif 51 #else 52 #include "mkimage.h" 53 #include <u-boot/md5.h> 54 #include <time.h> 55 #include <image.h> 56 #endif /* !USE_HOSTCC*/ 57 58 #include <u-boot/crc.h> 59 60 #ifndef CONFIG_SYS_BARGSIZE 61 #define CONFIG_SYS_BARGSIZE 512 62 #endif 63 64 static const table_entry_t uimage_arch[] = { 65 { IH_ARCH_INVALID, NULL, "Invalid ARCH", }, 66 { IH_ARCH_ALPHA, "alpha", "Alpha", }, 67 { IH_ARCH_ARM, "arm", "ARM", }, 68 { IH_ARCH_I386, "x86", "Intel x86", }, 69 { IH_ARCH_IA64, "ia64", "IA64", }, 70 { IH_ARCH_M68K, "m68k", "M68K", }, 71 { IH_ARCH_MICROBLAZE, "microblaze", "MicroBlaze", }, 72 { IH_ARCH_MIPS, "mips", "MIPS", }, 73 { IH_ARCH_MIPS64, "mips64", "MIPS 64 Bit", }, 74 { IH_ARCH_NIOS2, "nios2", "NIOS II", }, 75 { IH_ARCH_PPC, "powerpc", "PowerPC", }, 76 { IH_ARCH_PPC, "ppc", "PowerPC", }, 77 { IH_ARCH_S390, "s390", "IBM S390", }, 78 { IH_ARCH_SH, "sh", "SuperH", }, 79 { IH_ARCH_SPARC, "sparc", "SPARC", }, 80 { IH_ARCH_SPARC64, "sparc64", "SPARC 64 Bit", }, 81 { IH_ARCH_BLACKFIN, "blackfin", "Blackfin", }, 82 { IH_ARCH_AVR32, "avr32", "AVR32", }, 83 { IH_ARCH_NDS32, "nds32", "NDS32", }, 84 { IH_ARCH_OPENRISC, "or1k", "OpenRISC 1000",}, 85 { IH_ARCH_SANDBOX, "sandbox", "Sandbox", }, 86 { IH_ARCH_ARM64, "arm64", "AArch64", }, 87 { IH_ARCH_ARC, "arc", "ARC", }, 88 { -1, "", "", }, 89 }; 90 91 static const table_entry_t uimage_os[] = { 92 { IH_OS_INVALID, NULL, "Invalid OS", }, 93 { IH_OS_LINUX, "linux", "Linux", }, 94 #if defined(CONFIG_LYNXKDI) || defined(USE_HOSTCC) 95 { IH_OS_LYNXOS, "lynxos", "LynxOS", }, 96 #endif 97 { IH_OS_NETBSD, "netbsd", "NetBSD", }, 98 { IH_OS_OSE, "ose", "Enea OSE", }, 99 { IH_OS_PLAN9, "plan9", "Plan 9", }, 100 { IH_OS_RTEMS, "rtems", "RTEMS", }, 101 { IH_OS_U_BOOT, "u-boot", "U-Boot", }, 102 { IH_OS_VXWORKS, "vxworks", "VxWorks", }, 103 #if defined(CONFIG_CMD_ELF) || defined(USE_HOSTCC) 104 { IH_OS_QNX, "qnx", "QNX", }, 105 #endif 106 #if defined(CONFIG_INTEGRITY) || defined(USE_HOSTCC) 107 { IH_OS_INTEGRITY,"integrity", "INTEGRITY", }, 108 #endif 109 #ifdef USE_HOSTCC 110 { IH_OS_4_4BSD, "4_4bsd", "4_4BSD", }, 111 { IH_OS_DELL, "dell", "Dell", }, 112 { IH_OS_ESIX, "esix", "Esix", }, 113 { IH_OS_FREEBSD, "freebsd", "FreeBSD", }, 114 { IH_OS_IRIX, "irix", "Irix", }, 115 { IH_OS_NCR, "ncr", "NCR", }, 116 { IH_OS_OPENBSD, "openbsd", "OpenBSD", }, 117 { IH_OS_PSOS, "psos", "pSOS", }, 118 { IH_OS_SCO, "sco", "SCO", }, 119 { IH_OS_SOLARIS, "solaris", "Solaris", }, 120 { IH_OS_SVR4, "svr4", "SVR4", }, 121 #endif 122 { -1, "", "", }, 123 }; 124 125 static const table_entry_t uimage_type[] = { 126 { IH_TYPE_AISIMAGE, "aisimage", "Davinci AIS image",}, 127 { IH_TYPE_FILESYSTEM, "filesystem", "Filesystem Image", }, 128 { IH_TYPE_FIRMWARE, "firmware", "Firmware", }, 129 { IH_TYPE_FLATDT, "flat_dt", "Flat Device Tree", }, 130 { IH_TYPE_GPIMAGE, "gpimage", "TI Keystone SPL Image",}, 131 { IH_TYPE_KERNEL, "kernel", "Kernel Image", }, 132 { IH_TYPE_KERNEL_NOLOAD, "kernel_noload", "Kernel Image (no loading done)", }, 133 { IH_TYPE_KWBIMAGE, "kwbimage", "Kirkwood Boot Image",}, 134 { IH_TYPE_IMXIMAGE, "imximage", "Freescale i.MX Boot Image",}, 135 { IH_TYPE_INVALID, NULL, "Invalid Image", }, 136 { IH_TYPE_MULTI, "multi", "Multi-File Image", }, 137 { IH_TYPE_OMAPIMAGE, "omapimage", "TI OMAP SPL With GP CH",}, 138 { IH_TYPE_PBLIMAGE, "pblimage", "Freescale PBL Boot Image",}, 139 { IH_TYPE_RAMDISK, "ramdisk", "RAMDisk Image", }, 140 { IH_TYPE_SCRIPT, "script", "Script", }, 141 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 142 { IH_TYPE_UBLIMAGE, "ublimage", "Davinci UBL image",}, 143 { IH_TYPE_MXSIMAGE, "mxsimage", "Freescale MXS Boot Image",}, 144 { IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",}, 145 { -1, "", "", }, 146 }; 147 148 static const table_entry_t uimage_comp[] = { 149 { IH_COMP_NONE, "none", "uncompressed", }, 150 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 151 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 152 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 153 { IH_COMP_LZO, "lzo", "lzo compressed", }, 154 { -1, "", "", }, 155 }; 156 157 /*****************************************************************************/ 158 /* Legacy format routines */ 159 /*****************************************************************************/ 160 int image_check_hcrc(const image_header_t *hdr) 161 { 162 ulong hcrc; 163 ulong len = image_get_header_size(); 164 image_header_t header; 165 166 /* Copy header so we can blank CRC field for re-calculation */ 167 memmove(&header, (char *)hdr, image_get_header_size()); 168 image_set_hcrc(&header, 0); 169 170 hcrc = crc32(0, (unsigned char *)&header, len); 171 172 return (hcrc == image_get_hcrc(hdr)); 173 } 174 175 int image_check_dcrc(const image_header_t *hdr) 176 { 177 ulong data = image_get_data(hdr); 178 ulong len = image_get_data_size(hdr); 179 ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32); 180 181 return (dcrc == image_get_dcrc(hdr)); 182 } 183 184 /** 185 * image_multi_count - get component (sub-image) count 186 * @hdr: pointer to the header of the multi component image 187 * 188 * image_multi_count() returns number of components in a multi 189 * component image. 190 * 191 * Note: no checking of the image type is done, caller must pass 192 * a valid multi component image. 193 * 194 * returns: 195 * number of components 196 */ 197 ulong image_multi_count(const image_header_t *hdr) 198 { 199 ulong i, count = 0; 200 uint32_t *size; 201 202 /* get start of the image payload, which in case of multi 203 * component images that points to a table of component sizes */ 204 size = (uint32_t *)image_get_data(hdr); 205 206 /* count non empty slots */ 207 for (i = 0; size[i]; ++i) 208 count++; 209 210 return count; 211 } 212 213 /** 214 * image_multi_getimg - get component data address and size 215 * @hdr: pointer to the header of the multi component image 216 * @idx: index of the requested component 217 * @data: pointer to a ulong variable, will hold component data address 218 * @len: pointer to a ulong variable, will hold component size 219 * 220 * image_multi_getimg() returns size and data address for the requested 221 * component in a multi component image. 222 * 223 * Note: no checking of the image type is done, caller must pass 224 * a valid multi component image. 225 * 226 * returns: 227 * data address and size of the component, if idx is valid 228 * 0 in data and len, if idx is out of range 229 */ 230 void image_multi_getimg(const image_header_t *hdr, ulong idx, 231 ulong *data, ulong *len) 232 { 233 int i; 234 uint32_t *size; 235 ulong offset, count, img_data; 236 237 /* get number of component */ 238 count = image_multi_count(hdr); 239 240 /* get start of the image payload, which in case of multi 241 * component images that points to a table of component sizes */ 242 size = (uint32_t *)image_get_data(hdr); 243 244 /* get address of the proper component data start, which means 245 * skipping sizes table (add 1 for last, null entry) */ 246 img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t); 247 248 if (idx < count) { 249 *len = uimage_to_cpu(size[idx]); 250 offset = 0; 251 252 /* go over all indices preceding requested component idx */ 253 for (i = 0; i < idx; i++) { 254 /* add up i-th component size, rounding up to 4 bytes */ 255 offset += (uimage_to_cpu(size[i]) + 3) & ~3 ; 256 } 257 258 /* calculate idx-th component data address */ 259 *data = img_data + offset; 260 } else { 261 *len = 0; 262 *data = 0; 263 } 264 } 265 266 static void image_print_type(const image_header_t *hdr) 267 { 268 const char *os, *arch, *type, *comp; 269 270 os = genimg_get_os_name(image_get_os(hdr)); 271 arch = genimg_get_arch_name(image_get_arch(hdr)); 272 type = genimg_get_type_name(image_get_type(hdr)); 273 comp = genimg_get_comp_name(image_get_comp(hdr)); 274 275 printf("%s %s %s (%s)\n", arch, os, type, comp); 276 } 277 278 /** 279 * image_print_contents - prints out the contents of the legacy format image 280 * @ptr: pointer to the legacy format image header 281 * @p: pointer to prefix string 282 * 283 * image_print_contents() formats a multi line legacy image contents description. 284 * The routine prints out all header fields followed by the size/offset data 285 * for MULTI/SCRIPT images. 286 * 287 * returns: 288 * no returned results 289 */ 290 void image_print_contents(const void *ptr) 291 { 292 const image_header_t *hdr = (const image_header_t *)ptr; 293 const char *p; 294 295 p = IMAGE_INDENT_STRING; 296 printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr)); 297 if (IMAGE_ENABLE_TIMESTAMP) { 298 printf("%sCreated: ", p); 299 genimg_print_time((time_t)image_get_time(hdr)); 300 } 301 printf("%sImage Type: ", p); 302 image_print_type(hdr); 303 printf("%sData Size: ", p); 304 genimg_print_size(image_get_data_size(hdr)); 305 printf("%sLoad Address: %08x\n", p, image_get_load(hdr)); 306 printf("%sEntry Point: %08x\n", p, image_get_ep(hdr)); 307 308 if (image_check_type(hdr, IH_TYPE_MULTI) || 309 image_check_type(hdr, IH_TYPE_SCRIPT)) { 310 int i; 311 ulong data, len; 312 ulong count = image_multi_count(hdr); 313 314 printf("%sContents:\n", p); 315 for (i = 0; i < count; i++) { 316 image_multi_getimg(hdr, i, &data, &len); 317 318 printf("%s Image %d: ", p, i); 319 genimg_print_size(len); 320 321 if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) { 322 /* 323 * the user may need to know offsets 324 * if planning to do something with 325 * multiple files 326 */ 327 printf("%s Offset = 0x%08lx\n", p, data); 328 } 329 } 330 } 331 } 332 333 334 #ifndef USE_HOSTCC 335 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 336 /** 337 * image_get_ramdisk - get and verify ramdisk image 338 * @rd_addr: ramdisk image start address 339 * @arch: expected ramdisk architecture 340 * @verify: checksum verification flag 341 * 342 * image_get_ramdisk() returns a pointer to the verified ramdisk image 343 * header. Routine receives image start address and expected architecture 344 * flag. Verification done covers data and header integrity and os/type/arch 345 * fields checking. 346 * 347 * If dataflash support is enabled routine checks for dataflash addresses 348 * and handles required dataflash reads. 349 * 350 * returns: 351 * pointer to a ramdisk image header, if image was found and valid 352 * otherwise, return NULL 353 */ 354 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 355 int verify) 356 { 357 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 358 359 if (!image_check_magic(rd_hdr)) { 360 puts("Bad Magic Number\n"); 361 bootstage_error(BOOTSTAGE_ID_RD_MAGIC); 362 return NULL; 363 } 364 365 if (!image_check_hcrc(rd_hdr)) { 366 puts("Bad Header Checksum\n"); 367 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 368 return NULL; 369 } 370 371 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC); 372 image_print_contents(rd_hdr); 373 374 if (verify) { 375 puts(" Verifying Checksum ... "); 376 if (!image_check_dcrc(rd_hdr)) { 377 puts("Bad Data CRC\n"); 378 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM); 379 return NULL; 380 } 381 puts("OK\n"); 382 } 383 384 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 385 386 if (!image_check_os(rd_hdr, IH_OS_LINUX) || 387 !image_check_arch(rd_hdr, arch) || 388 !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) { 389 printf("No Linux %s Ramdisk Image\n", 390 genimg_get_arch_name(arch)); 391 bootstage_error(BOOTSTAGE_ID_RAMDISK); 392 return NULL; 393 } 394 395 return rd_hdr; 396 } 397 #endif 398 #endif /* !USE_HOSTCC */ 399 400 /*****************************************************************************/ 401 /* Shared dual-format routines */ 402 /*****************************************************************************/ 403 #ifndef USE_HOSTCC 404 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */ 405 ulong save_addr; /* Default Save Address */ 406 ulong save_size; /* Default Save Size (in bytes) */ 407 408 static int on_loadaddr(const char *name, const char *value, enum env_op op, 409 int flags) 410 { 411 switch (op) { 412 case env_op_create: 413 case env_op_overwrite: 414 load_addr = simple_strtoul(value, NULL, 16); 415 break; 416 default: 417 break; 418 } 419 420 return 0; 421 } 422 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr); 423 424 ulong getenv_bootm_low(void) 425 { 426 char *s = getenv("bootm_low"); 427 if (s) { 428 ulong tmp = simple_strtoul(s, NULL, 16); 429 return tmp; 430 } 431 432 #if defined(CONFIG_SYS_SDRAM_BASE) 433 return CONFIG_SYS_SDRAM_BASE; 434 #elif defined(CONFIG_ARM) 435 return gd->bd->bi_dram[0].start; 436 #else 437 return 0; 438 #endif 439 } 440 441 phys_size_t getenv_bootm_size(void) 442 { 443 phys_size_t tmp; 444 char *s = getenv("bootm_size"); 445 if (s) { 446 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 447 return tmp; 448 } 449 s = getenv("bootm_low"); 450 if (s) 451 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 452 else 453 tmp = 0; 454 455 456 #if defined(CONFIG_ARM) 457 return gd->bd->bi_dram[0].size - tmp; 458 #else 459 return gd->bd->bi_memsize - tmp; 460 #endif 461 } 462 463 phys_size_t getenv_bootm_mapsize(void) 464 { 465 phys_size_t tmp; 466 char *s = getenv("bootm_mapsize"); 467 if (s) { 468 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 469 return tmp; 470 } 471 472 #if defined(CONFIG_SYS_BOOTMAPSZ) 473 return CONFIG_SYS_BOOTMAPSZ; 474 #else 475 return getenv_bootm_size(); 476 #endif 477 } 478 479 void memmove_wd(void *to, void *from, size_t len, ulong chunksz) 480 { 481 if (to == from) 482 return; 483 484 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 485 while (len > 0) { 486 size_t tail = (len > chunksz) ? chunksz : len; 487 WATCHDOG_RESET(); 488 memmove(to, from, tail); 489 to += tail; 490 from += tail; 491 len -= tail; 492 } 493 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 494 memmove(to, from, len); 495 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 496 } 497 #endif /* !USE_HOSTCC */ 498 499 void genimg_print_size(uint32_t size) 500 { 501 #ifndef USE_HOSTCC 502 printf("%d Bytes = ", size); 503 print_size(size, "\n"); 504 #else 505 printf("%d Bytes = %.2f kB = %.2f MB\n", 506 size, (double)size / 1.024e3, 507 (double)size / 1.048576e6); 508 #endif 509 } 510 511 #if IMAGE_ENABLE_TIMESTAMP 512 void genimg_print_time(time_t timestamp) 513 { 514 #ifndef USE_HOSTCC 515 struct rtc_time tm; 516 517 to_tm(timestamp, &tm); 518 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 519 tm.tm_year, tm.tm_mon, tm.tm_mday, 520 tm.tm_hour, tm.tm_min, tm.tm_sec); 521 #else 522 printf("%s", ctime(×tamp)); 523 #endif 524 } 525 #endif 526 527 /** 528 * get_table_entry_name - translate entry id to long name 529 * @table: pointer to a translation table for entries of a specific type 530 * @msg: message to be returned when translation fails 531 * @id: entry id to be translated 532 * 533 * get_table_entry_name() will go over translation table trying to find 534 * entry that matches given id. If matching entry is found, its long 535 * name is returned to the caller. 536 * 537 * returns: 538 * long entry name if translation succeeds 539 * msg otherwise 540 */ 541 char *get_table_entry_name(const table_entry_t *table, char *msg, int id) 542 { 543 for (; table->id >= 0; ++table) { 544 if (table->id == id) 545 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC) 546 return table->lname; 547 #else 548 return table->lname + gd->reloc_off; 549 #endif 550 } 551 return (msg); 552 } 553 554 const char *genimg_get_os_name(uint8_t os) 555 { 556 return (get_table_entry_name(uimage_os, "Unknown OS", os)); 557 } 558 559 const char *genimg_get_arch_name(uint8_t arch) 560 { 561 return (get_table_entry_name(uimage_arch, "Unknown Architecture", 562 arch)); 563 } 564 565 const char *genimg_get_type_name(uint8_t type) 566 { 567 return (get_table_entry_name(uimage_type, "Unknown Image", type)); 568 } 569 570 const char *genimg_get_comp_name(uint8_t comp) 571 { 572 return (get_table_entry_name(uimage_comp, "Unknown Compression", 573 comp)); 574 } 575 576 /** 577 * get_table_entry_id - translate short entry name to id 578 * @table: pointer to a translation table for entries of a specific type 579 * @table_name: to be used in case of error 580 * @name: entry short name to be translated 581 * 582 * get_table_entry_id() will go over translation table trying to find 583 * entry that matches given short name. If matching entry is found, 584 * its id returned to the caller. 585 * 586 * returns: 587 * entry id if translation succeeds 588 * -1 otherwise 589 */ 590 int get_table_entry_id(const table_entry_t *table, 591 const char *table_name, const char *name) 592 { 593 const table_entry_t *t; 594 #ifdef USE_HOSTCC 595 int first = 1; 596 597 for (t = table; t->id >= 0; ++t) { 598 if (t->sname && strcasecmp(t->sname, name) == 0) 599 return(t->id); 600 } 601 602 fprintf(stderr, "\nInvalid %s Type - valid names are", table_name); 603 for (t = table; t->id >= 0; ++t) { 604 if (t->sname == NULL) 605 continue; 606 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname); 607 first = 0; 608 } 609 fprintf(stderr, "\n"); 610 #else 611 for (t = table; t->id >= 0; ++t) { 612 #ifdef CONFIG_NEEDS_MANUAL_RELOC 613 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) 614 #else 615 if (t->sname && strcmp(t->sname, name) == 0) 616 #endif 617 return (t->id); 618 } 619 debug("Invalid %s Type: %s\n", table_name, name); 620 #endif /* USE_HOSTCC */ 621 return (-1); 622 } 623 624 int genimg_get_os_id(const char *name) 625 { 626 return (get_table_entry_id(uimage_os, "OS", name)); 627 } 628 629 int genimg_get_arch_id(const char *name) 630 { 631 return (get_table_entry_id(uimage_arch, "CPU", name)); 632 } 633 634 int genimg_get_type_id(const char *name) 635 { 636 return (get_table_entry_id(uimage_type, "Image", name)); 637 } 638 639 int genimg_get_comp_id(const char *name) 640 { 641 return (get_table_entry_id(uimage_comp, "Compression", name)); 642 } 643 644 #ifndef USE_HOSTCC 645 /** 646 * genimg_get_format - get image format type 647 * @img_addr: image start address 648 * 649 * genimg_get_format() checks whether provided address points to a valid 650 * legacy or FIT image. 651 * 652 * New uImage format and FDT blob are based on a libfdt. FDT blob 653 * may be passed directly or embedded in a FIT image. In both situations 654 * genimg_get_format() must be able to dectect libfdt header. 655 * 656 * returns: 657 * image format type or IMAGE_FORMAT_INVALID if no image is present 658 */ 659 int genimg_get_format(const void *img_addr) 660 { 661 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 662 const image_header_t *hdr; 663 664 hdr = (const image_header_t *)img_addr; 665 if (image_check_magic(hdr)) 666 return IMAGE_FORMAT_LEGACY; 667 #endif 668 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 669 if (fdt_check_header(img_addr) == 0) 670 return IMAGE_FORMAT_FIT; 671 #endif 672 #ifdef CONFIG_ANDROID_BOOT_IMAGE 673 if (android_image_check_header(img_addr) == 0) 674 return IMAGE_FORMAT_ANDROID; 675 #endif 676 677 return IMAGE_FORMAT_INVALID; 678 } 679 680 /** 681 * genimg_get_image - get image from special storage (if necessary) 682 * @img_addr: image start address 683 * 684 * genimg_get_image() checks if provided image start adddress is located 685 * in a dataflash storage. If so, image is moved to a system RAM memory. 686 * 687 * returns: 688 * image start address after possible relocation from special storage 689 */ 690 ulong genimg_get_image(ulong img_addr) 691 { 692 ulong ram_addr = img_addr; 693 694 #ifdef CONFIG_HAS_DATAFLASH 695 ulong h_size, d_size; 696 697 if (addr_dataflash(img_addr)) { 698 void *buf; 699 700 /* ger RAM address */ 701 ram_addr = CONFIG_SYS_LOAD_ADDR; 702 703 /* get header size */ 704 h_size = image_get_header_size(); 705 #if defined(CONFIG_FIT) 706 if (sizeof(struct fdt_header) > h_size) 707 h_size = sizeof(struct fdt_header); 708 #endif 709 710 /* read in header */ 711 debug(" Reading image header from dataflash address " 712 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 713 714 buf = map_sysmem(ram_addr, 0); 715 read_dataflash(img_addr, h_size, buf); 716 717 /* get data size */ 718 switch (genimg_get_format(buf)) { 719 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 720 case IMAGE_FORMAT_LEGACY: 721 d_size = image_get_data_size(buf); 722 debug(" Legacy format image found at 0x%08lx, " 723 "size 0x%08lx\n", 724 ram_addr, d_size); 725 break; 726 #endif 727 #if defined(CONFIG_FIT) 728 case IMAGE_FORMAT_FIT: 729 d_size = fit_get_size(buf) - h_size; 730 debug(" FIT/FDT format image found at 0x%08lx, " 731 "size 0x%08lx\n", 732 ram_addr, d_size); 733 break; 734 #endif 735 default: 736 printf(" No valid image found at 0x%08lx\n", 737 img_addr); 738 return ram_addr; 739 } 740 741 /* read in image data */ 742 debug(" Reading image remaining data from dataflash address " 743 "%08lx to RAM address %08lx\n", img_addr + h_size, 744 ram_addr + h_size); 745 746 read_dataflash(img_addr + h_size, d_size, 747 (char *)(buf + h_size)); 748 749 } 750 #endif /* CONFIG_HAS_DATAFLASH */ 751 752 return ram_addr; 753 } 754 755 /** 756 * fit_has_config - check if there is a valid FIT configuration 757 * @images: pointer to the bootm command headers structure 758 * 759 * fit_has_config() checks if there is a FIT configuration in use 760 * (if FTI support is present). 761 * 762 * returns: 763 * 0, no FIT support or no configuration found 764 * 1, configuration found 765 */ 766 int genimg_has_config(bootm_headers_t *images) 767 { 768 #if defined(CONFIG_FIT) 769 if (images->fit_uname_cfg) 770 return 1; 771 #endif 772 return 0; 773 } 774 775 /** 776 * boot_get_ramdisk - main ramdisk handling routine 777 * @argc: command argument count 778 * @argv: command argument list 779 * @images: pointer to the bootm images structure 780 * @arch: expected ramdisk architecture 781 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 782 * @rd_end: pointer to a ulong variable, will hold ramdisk end 783 * 784 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 785 * Curently supported are the following ramdisk sources: 786 * - multicomponent kernel/ramdisk image, 787 * - commandline provided address of decicated ramdisk image. 788 * 789 * returns: 790 * 0, if ramdisk image was found and valid, or skiped 791 * rd_start and rd_end are set to ramdisk start/end addresses if 792 * ramdisk image is found and valid 793 * 794 * 1, if ramdisk image is found but corrupted, or invalid 795 * rd_start and rd_end are set to 0 if no ramdisk exists 796 */ 797 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, 798 uint8_t arch, ulong *rd_start, ulong *rd_end) 799 { 800 ulong rd_addr, rd_load; 801 ulong rd_data, rd_len; 802 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 803 const image_header_t *rd_hdr; 804 #endif 805 void *buf; 806 #ifdef CONFIG_SUPPORT_RAW_INITRD 807 char *end; 808 #endif 809 #if defined(CONFIG_FIT) 810 const char *fit_uname_config = images->fit_uname_cfg; 811 const char *fit_uname_ramdisk = NULL; 812 ulong default_addr; 813 int rd_noffset; 814 #endif 815 const char *select = NULL; 816 817 *rd_start = 0; 818 *rd_end = 0; 819 820 if (argc >= 2) 821 select = argv[1]; 822 /* 823 * Look for a '-' which indicates to ignore the 824 * ramdisk argument 825 */ 826 if (select && strcmp(select, "-") == 0) { 827 debug("## Skipping init Ramdisk\n"); 828 rd_len = rd_data = 0; 829 } else if (select || genimg_has_config(images)) { 830 #if defined(CONFIG_FIT) 831 if (select) { 832 /* 833 * If the init ramdisk comes from the FIT image and 834 * the FIT image address is omitted in the command 835 * line argument, try to use os FIT image address or 836 * default load address. 837 */ 838 if (images->fit_uname_os) 839 default_addr = (ulong)images->fit_hdr_os; 840 else 841 default_addr = load_addr; 842 843 if (fit_parse_conf(select, default_addr, 844 &rd_addr, &fit_uname_config)) { 845 debug("* ramdisk: config '%s' from image at " 846 "0x%08lx\n", 847 fit_uname_config, rd_addr); 848 } else if (fit_parse_subimage(select, default_addr, 849 &rd_addr, &fit_uname_ramdisk)) { 850 debug("* ramdisk: subimage '%s' from image at " 851 "0x%08lx\n", 852 fit_uname_ramdisk, rd_addr); 853 } else 854 #endif 855 { 856 rd_addr = simple_strtoul(select, NULL, 16); 857 debug("* ramdisk: cmdline image address = " 858 "0x%08lx\n", 859 rd_addr); 860 } 861 #if defined(CONFIG_FIT) 862 } else { 863 /* use FIT configuration provided in first bootm 864 * command argument. If the property is not defined, 865 * quit silently. 866 */ 867 rd_addr = map_to_sysmem(images->fit_hdr_os); 868 rd_noffset = fit_get_node_from_config(images, 869 FIT_RAMDISK_PROP, rd_addr); 870 if (rd_noffset == -ENOLINK) 871 return 0; 872 else if (rd_noffset < 0) 873 return 1; 874 } 875 #endif 876 877 /* copy from dataflash if needed */ 878 rd_addr = genimg_get_image(rd_addr); 879 880 /* 881 * Check if there is an initrd image at the 882 * address provided in the second bootm argument 883 * check image type, for FIT images get FIT node. 884 */ 885 buf = map_sysmem(rd_addr, 0); 886 switch (genimg_get_format(buf)) { 887 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 888 case IMAGE_FORMAT_LEGACY: 889 printf("## Loading init Ramdisk from Legacy " 890 "Image at %08lx ...\n", rd_addr); 891 892 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK); 893 rd_hdr = image_get_ramdisk(rd_addr, arch, 894 images->verify); 895 896 if (rd_hdr == NULL) 897 return 1; 898 899 rd_data = image_get_data(rd_hdr); 900 rd_len = image_get_data_size(rd_hdr); 901 rd_load = image_get_load(rd_hdr); 902 break; 903 #endif 904 #if defined(CONFIG_FIT) 905 case IMAGE_FORMAT_FIT: 906 rd_noffset = fit_image_load(images, FIT_RAMDISK_PROP, 907 rd_addr, &fit_uname_ramdisk, 908 &fit_uname_config, arch, 909 IH_TYPE_RAMDISK, 910 BOOTSTAGE_ID_FIT_RD_START, 911 FIT_LOAD_IGNORED, &rd_data, &rd_len); 912 if (rd_noffset < 0) 913 return 1; 914 915 images->fit_hdr_rd = map_sysmem(rd_addr, 0); 916 images->fit_uname_rd = fit_uname_ramdisk; 917 images->fit_noffset_rd = rd_noffset; 918 break; 919 #endif 920 default: 921 #ifdef CONFIG_SUPPORT_RAW_INITRD 922 end = NULL; 923 if (select) 924 end = strchr(select, ':'); 925 if (end) { 926 rd_len = simple_strtoul(++end, NULL, 16); 927 rd_data = rd_addr; 928 } else 929 #endif 930 { 931 puts("Wrong Ramdisk Image Format\n"); 932 rd_data = rd_len = rd_load = 0; 933 return 1; 934 } 935 } 936 } else if (images->legacy_hdr_valid && 937 image_check_type(&images->legacy_hdr_os_copy, 938 IH_TYPE_MULTI)) { 939 940 /* 941 * Now check if we have a legacy mult-component image, 942 * get second entry data start address and len. 943 */ 944 bootstage_mark(BOOTSTAGE_ID_RAMDISK); 945 printf("## Loading init Ramdisk from multi component " 946 "Legacy Image at %08lx ...\n", 947 (ulong)images->legacy_hdr_os); 948 949 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len); 950 } 951 #ifdef CONFIG_ANDROID_BOOT_IMAGE 952 else if ((genimg_get_format(images) == IMAGE_FORMAT_ANDROID) && 953 (!android_image_get_ramdisk((void *)images->os.start, 954 &rd_data, &rd_len))) { 955 /* empty */ 956 } 957 #endif 958 else { 959 /* 960 * no initrd image 961 */ 962 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK); 963 rd_len = rd_data = 0; 964 } 965 966 if (!rd_data) { 967 debug("## No init Ramdisk\n"); 968 } else { 969 *rd_start = rd_data; 970 *rd_end = rd_data + rd_len; 971 } 972 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 973 *rd_start, *rd_end); 974 975 return 0; 976 } 977 978 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH 979 /** 980 * boot_ramdisk_high - relocate init ramdisk 981 * @lmb: pointer to lmb handle, will be used for memory mgmt 982 * @rd_data: ramdisk data start address 983 * @rd_len: ramdisk data length 984 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 985 * start address (after possible relocation) 986 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 987 * end address (after possible relocation) 988 * 989 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment 990 * variable and if requested ramdisk data is moved to a specified location. 991 * 992 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 993 * start/end addresses if ramdisk image start and len were provided, 994 * otherwise set initrd_start and initrd_end set to zeros. 995 * 996 * returns: 997 * 0 - success 998 * -1 - failure 999 */ 1000 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, 1001 ulong *initrd_start, ulong *initrd_end) 1002 { 1003 char *s; 1004 ulong initrd_high; 1005 int initrd_copy_to_ram = 1; 1006 1007 if ((s = getenv("initrd_high")) != NULL) { 1008 /* a value of "no" or a similar string will act like 0, 1009 * turning the "load high" feature off. This is intentional. 1010 */ 1011 initrd_high = simple_strtoul(s, NULL, 16); 1012 if (initrd_high == ~0) 1013 initrd_copy_to_ram = 0; 1014 } else { 1015 /* not set, no restrictions to load high */ 1016 initrd_high = ~0; 1017 } 1018 1019 1020 #ifdef CONFIG_LOGBUFFER 1021 /* Prevent initrd from overwriting logbuffer */ 1022 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1023 #endif 1024 1025 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1026 initrd_high, initrd_copy_to_ram); 1027 1028 if (rd_data) { 1029 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1030 debug(" in-place initrd\n"); 1031 *initrd_start = rd_data; 1032 *initrd_end = rd_data + rd_len; 1033 lmb_reserve(lmb, rd_data, rd_len); 1034 } else { 1035 if (initrd_high) 1036 *initrd_start = (ulong)lmb_alloc_base(lmb, 1037 rd_len, 0x1000, initrd_high); 1038 else 1039 *initrd_start = (ulong)lmb_alloc(lmb, rd_len, 1040 0x1000); 1041 1042 if (*initrd_start == 0) { 1043 puts("ramdisk - allocation error\n"); 1044 goto error; 1045 } 1046 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK); 1047 1048 *initrd_end = *initrd_start + rd_len; 1049 printf(" Loading Ramdisk to %08lx, end %08lx ... ", 1050 *initrd_start, *initrd_end); 1051 1052 memmove_wd((void *)*initrd_start, 1053 (void *)rd_data, rd_len, CHUNKSZ); 1054 1055 #ifdef CONFIG_MP 1056 /* 1057 * Ensure the image is flushed to memory to handle 1058 * AMP boot scenarios in which we might not be 1059 * HW cache coherent 1060 */ 1061 flush_cache((unsigned long)*initrd_start, rd_len); 1062 #endif 1063 puts("OK\n"); 1064 } 1065 } else { 1066 *initrd_start = 0; 1067 *initrd_end = 0; 1068 } 1069 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1070 *initrd_start, *initrd_end); 1071 1072 return 0; 1073 1074 error: 1075 return -1; 1076 } 1077 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */ 1078 1079 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE 1080 /** 1081 * boot_get_cmdline - allocate and initialize kernel cmdline 1082 * @lmb: pointer to lmb handle, will be used for memory mgmt 1083 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1084 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1085 * 1086 * boot_get_cmdline() allocates space for kernel command line below 1087 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt 1088 * variable is present its contents is copied to allocated kernel 1089 * command line. 1090 * 1091 * returns: 1092 * 0 - success 1093 * -1 - failure 1094 */ 1095 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end) 1096 { 1097 char *cmdline; 1098 char *s; 1099 1100 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1101 getenv_bootm_mapsize() + getenv_bootm_low()); 1102 1103 if (cmdline == NULL) 1104 return -1; 1105 1106 if ((s = getenv("bootargs")) == NULL) 1107 s = ""; 1108 1109 strcpy(cmdline, s); 1110 1111 *cmd_start = (ulong) & cmdline[0]; 1112 *cmd_end = *cmd_start + strlen(cmdline); 1113 1114 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1115 1116 return 0; 1117 } 1118 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */ 1119 1120 #ifdef CONFIG_SYS_BOOT_GET_KBD 1121 /** 1122 * boot_get_kbd - allocate and initialize kernel copy of board info 1123 * @lmb: pointer to lmb handle, will be used for memory mgmt 1124 * @kbd: double pointer to board info data 1125 * 1126 * boot_get_kbd() allocates space for kernel copy of board info data below 1127 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized 1128 * with the current u-boot board info data. 1129 * 1130 * returns: 1131 * 0 - success 1132 * -1 - failure 1133 */ 1134 int boot_get_kbd(struct lmb *lmb, bd_t **kbd) 1135 { 1136 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1137 getenv_bootm_mapsize() + getenv_bootm_low()); 1138 if (*kbd == NULL) 1139 return -1; 1140 1141 **kbd = *(gd->bd); 1142 1143 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1144 1145 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1146 do_bdinfo(NULL, 0, 0, NULL); 1147 #endif 1148 1149 return 0; 1150 } 1151 #endif /* CONFIG_SYS_BOOT_GET_KBD */ 1152 1153 #ifdef CONFIG_LMB 1154 int image_setup_linux(bootm_headers_t *images) 1155 { 1156 ulong of_size = images->ft_len; 1157 char **of_flat_tree = &images->ft_addr; 1158 ulong *initrd_start = &images->initrd_start; 1159 ulong *initrd_end = &images->initrd_end; 1160 struct lmb *lmb = &images->lmb; 1161 ulong rd_len; 1162 int ret; 1163 1164 if (IMAGE_ENABLE_OF_LIBFDT) 1165 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); 1166 1167 if (IMAGE_BOOT_GET_CMDLINE) { 1168 ret = boot_get_cmdline(lmb, &images->cmdline_start, 1169 &images->cmdline_end); 1170 if (ret) { 1171 puts("ERROR with allocation of cmdline\n"); 1172 return ret; 1173 } 1174 } 1175 if (IMAGE_ENABLE_RAMDISK_HIGH) { 1176 rd_len = images->rd_end - images->rd_start; 1177 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len, 1178 initrd_start, initrd_end); 1179 if (ret) 1180 return ret; 1181 } 1182 1183 if (IMAGE_ENABLE_OF_LIBFDT) { 1184 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); 1185 if (ret) 1186 return ret; 1187 } 1188 1189 if (IMAGE_ENABLE_OF_LIBFDT && of_size) { 1190 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb); 1191 if (ret) 1192 return ret; 1193 } 1194 1195 return 0; 1196 } 1197 #endif /* CONFIG_LMB */ 1198 #endif /* !USE_HOSTCC */ 1199