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