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 <u-boot/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_SOCFPGAIMAGE, "socfpgaimage", "Altera SOCFPGA preloader",}, 142 { IH_TYPE_STANDALONE, "standalone", "Standalone Program", }, 143 { IH_TYPE_UBLIMAGE, "ublimage", "Davinci UBL image",}, 144 { IH_TYPE_MXSIMAGE, "mxsimage", "Freescale MXS Boot Image",}, 145 { IH_TYPE_ATMELIMAGE, "atmelimage", "ATMEL ROM-Boot Image",}, 146 { -1, "", "", }, 147 }; 148 149 static const table_entry_t uimage_comp[] = { 150 { IH_COMP_NONE, "none", "uncompressed", }, 151 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 152 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 153 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 154 { IH_COMP_LZO, "lzo", "lzo compressed", }, 155 { -1, "", "", }, 156 }; 157 158 /*****************************************************************************/ 159 /* Legacy format routines */ 160 /*****************************************************************************/ 161 int image_check_hcrc(const image_header_t *hdr) 162 { 163 ulong hcrc; 164 ulong len = image_get_header_size(); 165 image_header_t header; 166 167 /* Copy header so we can blank CRC field for re-calculation */ 168 memmove(&header, (char *)hdr, image_get_header_size()); 169 image_set_hcrc(&header, 0); 170 171 hcrc = crc32(0, (unsigned char *)&header, len); 172 173 return (hcrc == image_get_hcrc(hdr)); 174 } 175 176 int image_check_dcrc(const image_header_t *hdr) 177 { 178 ulong data = image_get_data(hdr); 179 ulong len = image_get_data_size(hdr); 180 ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32); 181 182 return (dcrc == image_get_dcrc(hdr)); 183 } 184 185 /** 186 * image_multi_count - get component (sub-image) count 187 * @hdr: pointer to the header of the multi component image 188 * 189 * image_multi_count() returns number of components in a multi 190 * component image. 191 * 192 * Note: no checking of the image type is done, caller must pass 193 * a valid multi component image. 194 * 195 * returns: 196 * number of components 197 */ 198 ulong image_multi_count(const image_header_t *hdr) 199 { 200 ulong i, count = 0; 201 uint32_t *size; 202 203 /* get start of the image payload, which in case of multi 204 * component images that points to a table of component sizes */ 205 size = (uint32_t *)image_get_data(hdr); 206 207 /* count non empty slots */ 208 for (i = 0; size[i]; ++i) 209 count++; 210 211 return count; 212 } 213 214 /** 215 * image_multi_getimg - get component data address and size 216 * @hdr: pointer to the header of the multi component image 217 * @idx: index of the requested component 218 * @data: pointer to a ulong variable, will hold component data address 219 * @len: pointer to a ulong variable, will hold component size 220 * 221 * image_multi_getimg() returns size and data address for the requested 222 * component in a multi component image. 223 * 224 * Note: no checking of the image type is done, caller must pass 225 * a valid multi component image. 226 * 227 * returns: 228 * data address and size of the component, if idx is valid 229 * 0 in data and len, if idx is out of range 230 */ 231 void image_multi_getimg(const image_header_t *hdr, ulong idx, 232 ulong *data, ulong *len) 233 { 234 int i; 235 uint32_t *size; 236 ulong offset, count, img_data; 237 238 /* get number of component */ 239 count = image_multi_count(hdr); 240 241 /* get start of the image payload, which in case of multi 242 * component images that points to a table of component sizes */ 243 size = (uint32_t *)image_get_data(hdr); 244 245 /* get address of the proper component data start, which means 246 * skipping sizes table (add 1 for last, null entry) */ 247 img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t); 248 249 if (idx < count) { 250 *len = uimage_to_cpu(size[idx]); 251 offset = 0; 252 253 /* go over all indices preceding requested component idx */ 254 for (i = 0; i < idx; i++) { 255 /* add up i-th component size, rounding up to 4 bytes */ 256 offset += (uimage_to_cpu(size[i]) + 3) & ~3 ; 257 } 258 259 /* calculate idx-th component data address */ 260 *data = img_data + offset; 261 } else { 262 *len = 0; 263 *data = 0; 264 } 265 } 266 267 static void image_print_type(const image_header_t *hdr) 268 { 269 const char *os, *arch, *type, *comp; 270 271 os = genimg_get_os_name(image_get_os(hdr)); 272 arch = genimg_get_arch_name(image_get_arch(hdr)); 273 type = genimg_get_type_name(image_get_type(hdr)); 274 comp = genimg_get_comp_name(image_get_comp(hdr)); 275 276 printf("%s %s %s (%s)\n", arch, os, type, comp); 277 } 278 279 /** 280 * image_print_contents - prints out the contents of the legacy format image 281 * @ptr: pointer to the legacy format image header 282 * @p: pointer to prefix string 283 * 284 * image_print_contents() formats a multi line legacy image contents description. 285 * The routine prints out all header fields followed by the size/offset data 286 * for MULTI/SCRIPT images. 287 * 288 * returns: 289 * no returned results 290 */ 291 void image_print_contents(const void *ptr) 292 { 293 const image_header_t *hdr = (const image_header_t *)ptr; 294 const char *p; 295 296 p = IMAGE_INDENT_STRING; 297 printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr)); 298 if (IMAGE_ENABLE_TIMESTAMP) { 299 printf("%sCreated: ", p); 300 genimg_print_time((time_t)image_get_time(hdr)); 301 } 302 printf("%sImage Type: ", p); 303 image_print_type(hdr); 304 printf("%sData Size: ", p); 305 genimg_print_size(image_get_data_size(hdr)); 306 printf("%sLoad Address: %08x\n", p, image_get_load(hdr)); 307 printf("%sEntry Point: %08x\n", p, image_get_ep(hdr)); 308 309 if (image_check_type(hdr, IH_TYPE_MULTI) || 310 image_check_type(hdr, IH_TYPE_SCRIPT)) { 311 int i; 312 ulong data, len; 313 ulong count = image_multi_count(hdr); 314 315 printf("%sContents:\n", p); 316 for (i = 0; i < count; i++) { 317 image_multi_getimg(hdr, i, &data, &len); 318 319 printf("%s Image %d: ", p, i); 320 genimg_print_size(len); 321 322 if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) { 323 /* 324 * the user may need to know offsets 325 * if planning to do something with 326 * multiple files 327 */ 328 printf("%s Offset = 0x%08lx\n", p, data); 329 } 330 } 331 } 332 } 333 334 335 #ifndef USE_HOSTCC 336 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 337 /** 338 * image_get_ramdisk - get and verify ramdisk image 339 * @rd_addr: ramdisk image start address 340 * @arch: expected ramdisk architecture 341 * @verify: checksum verification flag 342 * 343 * image_get_ramdisk() returns a pointer to the verified ramdisk image 344 * header. Routine receives image start address and expected architecture 345 * flag. Verification done covers data and header integrity and os/type/arch 346 * fields checking. 347 * 348 * If dataflash support is enabled routine checks for dataflash addresses 349 * and handles required dataflash reads. 350 * 351 * returns: 352 * pointer to a ramdisk image header, if image was found and valid 353 * otherwise, return NULL 354 */ 355 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 356 int verify) 357 { 358 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 359 360 if (!image_check_magic(rd_hdr)) { 361 puts("Bad Magic Number\n"); 362 bootstage_error(BOOTSTAGE_ID_RD_MAGIC); 363 return NULL; 364 } 365 366 if (!image_check_hcrc(rd_hdr)) { 367 puts("Bad Header Checksum\n"); 368 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 369 return NULL; 370 } 371 372 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC); 373 image_print_contents(rd_hdr); 374 375 if (verify) { 376 puts(" Verifying Checksum ... "); 377 if (!image_check_dcrc(rd_hdr)) { 378 puts("Bad Data CRC\n"); 379 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM); 380 return NULL; 381 } 382 puts("OK\n"); 383 } 384 385 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 386 387 if (!image_check_os(rd_hdr, IH_OS_LINUX) || 388 !image_check_arch(rd_hdr, arch) || 389 !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) { 390 printf("No Linux %s Ramdisk Image\n", 391 genimg_get_arch_name(arch)); 392 bootstage_error(BOOTSTAGE_ID_RAMDISK); 393 return NULL; 394 } 395 396 return rd_hdr; 397 } 398 #endif 399 #endif /* !USE_HOSTCC */ 400 401 /*****************************************************************************/ 402 /* Shared dual-format routines */ 403 /*****************************************************************************/ 404 #ifndef USE_HOSTCC 405 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */ 406 ulong save_addr; /* Default Save Address */ 407 ulong save_size; /* Default Save Size (in bytes) */ 408 409 static int on_loadaddr(const char *name, const char *value, enum env_op op, 410 int flags) 411 { 412 switch (op) { 413 case env_op_create: 414 case env_op_overwrite: 415 load_addr = simple_strtoul(value, NULL, 16); 416 break; 417 default: 418 break; 419 } 420 421 return 0; 422 } 423 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr); 424 425 ulong getenv_bootm_low(void) 426 { 427 char *s = getenv("bootm_low"); 428 if (s) { 429 ulong tmp = simple_strtoul(s, NULL, 16); 430 return tmp; 431 } 432 433 #if defined(CONFIG_SYS_SDRAM_BASE) 434 return CONFIG_SYS_SDRAM_BASE; 435 #elif defined(CONFIG_ARM) 436 return gd->bd->bi_dram[0].start; 437 #else 438 return 0; 439 #endif 440 } 441 442 phys_size_t getenv_bootm_size(void) 443 { 444 phys_size_t tmp; 445 char *s = getenv("bootm_size"); 446 if (s) { 447 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 448 return tmp; 449 } 450 s = getenv("bootm_low"); 451 if (s) 452 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 453 else 454 tmp = 0; 455 456 457 #if defined(CONFIG_ARM) 458 return gd->bd->bi_dram[0].size - tmp; 459 #else 460 return gd->bd->bi_memsize - tmp; 461 #endif 462 } 463 464 phys_size_t getenv_bootm_mapsize(void) 465 { 466 phys_size_t tmp; 467 char *s = getenv("bootm_mapsize"); 468 if (s) { 469 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 470 return tmp; 471 } 472 473 #if defined(CONFIG_SYS_BOOTMAPSZ) 474 return CONFIG_SYS_BOOTMAPSZ; 475 #else 476 return getenv_bootm_size(); 477 #endif 478 } 479 480 void memmove_wd(void *to, void *from, size_t len, ulong chunksz) 481 { 482 if (to == from) 483 return; 484 485 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 486 while (len > 0) { 487 size_t tail = (len > chunksz) ? chunksz : len; 488 WATCHDOG_RESET(); 489 memmove(to, from, tail); 490 to += tail; 491 from += tail; 492 len -= tail; 493 } 494 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 495 memmove(to, from, len); 496 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 497 } 498 #endif /* !USE_HOSTCC */ 499 500 void genimg_print_size(uint32_t size) 501 { 502 #ifndef USE_HOSTCC 503 printf("%d Bytes = ", size); 504 print_size(size, "\n"); 505 #else 506 printf("%d Bytes = %.2f kB = %.2f MB\n", 507 size, (double)size / 1.024e3, 508 (double)size / 1.048576e6); 509 #endif 510 } 511 512 #if IMAGE_ENABLE_TIMESTAMP 513 void genimg_print_time(time_t timestamp) 514 { 515 #ifndef USE_HOSTCC 516 struct rtc_time tm; 517 518 to_tm(timestamp, &tm); 519 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 520 tm.tm_year, tm.tm_mon, tm.tm_mday, 521 tm.tm_hour, tm.tm_min, tm.tm_sec); 522 #else 523 printf("%s", ctime(×tamp)); 524 #endif 525 } 526 #endif 527 528 /** 529 * get_table_entry_name - translate entry id to long name 530 * @table: pointer to a translation table for entries of a specific type 531 * @msg: message to be returned when translation fails 532 * @id: entry id to be translated 533 * 534 * get_table_entry_name() will go over translation table trying to find 535 * entry that matches given id. If matching entry is found, its long 536 * name is returned to the caller. 537 * 538 * returns: 539 * long entry name if translation succeeds 540 * msg otherwise 541 */ 542 char *get_table_entry_name(const table_entry_t *table, char *msg, int id) 543 { 544 for (; table->id >= 0; ++table) { 545 if (table->id == id) 546 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC) 547 return table->lname; 548 #else 549 return table->lname + gd->reloc_off; 550 #endif 551 } 552 return (msg); 553 } 554 555 const char *genimg_get_os_name(uint8_t os) 556 { 557 return (get_table_entry_name(uimage_os, "Unknown OS", os)); 558 } 559 560 const char *genimg_get_arch_name(uint8_t arch) 561 { 562 return (get_table_entry_name(uimage_arch, "Unknown Architecture", 563 arch)); 564 } 565 566 const char *genimg_get_type_name(uint8_t type) 567 { 568 return (get_table_entry_name(uimage_type, "Unknown Image", type)); 569 } 570 571 const char *genimg_get_comp_name(uint8_t comp) 572 { 573 return (get_table_entry_name(uimage_comp, "Unknown Compression", 574 comp)); 575 } 576 577 /** 578 * get_table_entry_id - translate short entry name to id 579 * @table: pointer to a translation table for entries of a specific type 580 * @table_name: to be used in case of error 581 * @name: entry short name to be translated 582 * 583 * get_table_entry_id() will go over translation table trying to find 584 * entry that matches given short name. If matching entry is found, 585 * its id returned to the caller. 586 * 587 * returns: 588 * entry id if translation succeeds 589 * -1 otherwise 590 */ 591 int get_table_entry_id(const table_entry_t *table, 592 const char *table_name, const char *name) 593 { 594 const table_entry_t *t; 595 #ifdef USE_HOSTCC 596 int first = 1; 597 598 for (t = table; t->id >= 0; ++t) { 599 if (t->sname && strcasecmp(t->sname, name) == 0) 600 return(t->id); 601 } 602 603 fprintf(stderr, "\nInvalid %s Type - valid names are", table_name); 604 for (t = table; t->id >= 0; ++t) { 605 if (t->sname == NULL) 606 continue; 607 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname); 608 first = 0; 609 } 610 fprintf(stderr, "\n"); 611 #else 612 for (t = table; t->id >= 0; ++t) { 613 #ifdef CONFIG_NEEDS_MANUAL_RELOC 614 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) 615 #else 616 if (t->sname && strcmp(t->sname, name) == 0) 617 #endif 618 return (t->id); 619 } 620 debug("Invalid %s Type: %s\n", table_name, name); 621 #endif /* USE_HOSTCC */ 622 return (-1); 623 } 624 625 int genimg_get_os_id(const char *name) 626 { 627 return (get_table_entry_id(uimage_os, "OS", name)); 628 } 629 630 int genimg_get_arch_id(const char *name) 631 { 632 return (get_table_entry_id(uimage_arch, "CPU", name)); 633 } 634 635 int genimg_get_type_id(const char *name) 636 { 637 return (get_table_entry_id(uimage_type, "Image", name)); 638 } 639 640 int genimg_get_comp_id(const char *name) 641 { 642 return (get_table_entry_id(uimage_comp, "Compression", name)); 643 } 644 645 #ifndef USE_HOSTCC 646 /** 647 * genimg_get_kernel_addr_fit - get the real kernel address and return 2 648 * FIT strings 649 * @img_addr: a string might contain real image address 650 * @fit_uname_config: double pointer to a char, will hold pointer to a 651 * configuration unit name 652 * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage 653 * name 654 * 655 * genimg_get_kernel_addr_fit get the real kernel start address from a string 656 * which is normally the first argv of bootm/bootz 657 * 658 * returns: 659 * kernel start address 660 */ 661 ulong genimg_get_kernel_addr_fit(char * const img_addr, 662 const char **fit_uname_config, 663 const char **fit_uname_kernel) 664 { 665 ulong kernel_addr; 666 667 /* find out kernel image address */ 668 if (!img_addr) { 669 kernel_addr = load_addr; 670 debug("* kernel: default image load address = 0x%08lx\n", 671 load_addr); 672 #if defined(CONFIG_FIT) 673 } else if (fit_parse_conf(img_addr, load_addr, &kernel_addr, 674 fit_uname_config)) { 675 debug("* kernel: config '%s' from image at 0x%08lx\n", 676 *fit_uname_config, kernel_addr); 677 } else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr, 678 fit_uname_kernel)) { 679 debug("* kernel: subimage '%s' from image at 0x%08lx\n", 680 *fit_uname_kernel, kernel_addr); 681 #endif 682 } else { 683 kernel_addr = simple_strtoul(img_addr, NULL, 16); 684 debug("* kernel: cmdline image address = 0x%08lx\n", 685 kernel_addr); 686 } 687 688 return kernel_addr; 689 } 690 691 /** 692 * genimg_get_kernel_addr() is the simple version of 693 * genimg_get_kernel_addr_fit(). It ignores those return FIT strings 694 */ 695 ulong genimg_get_kernel_addr(char * const img_addr) 696 { 697 const char *fit_uname_config = NULL; 698 const char *fit_uname_kernel = NULL; 699 700 return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config, 701 &fit_uname_kernel); 702 } 703 704 /** 705 * genimg_get_format - get image format type 706 * @img_addr: image start address 707 * 708 * genimg_get_format() checks whether provided address points to a valid 709 * legacy or FIT image. 710 * 711 * New uImage format and FDT blob are based on a libfdt. FDT blob 712 * may be passed directly or embedded in a FIT image. In both situations 713 * genimg_get_format() must be able to dectect libfdt header. 714 * 715 * returns: 716 * image format type or IMAGE_FORMAT_INVALID if no image is present 717 */ 718 int genimg_get_format(const void *img_addr) 719 { 720 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 721 const image_header_t *hdr; 722 723 hdr = (const image_header_t *)img_addr; 724 if (image_check_magic(hdr)) 725 return IMAGE_FORMAT_LEGACY; 726 #endif 727 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 728 if (fdt_check_header(img_addr) == 0) 729 return IMAGE_FORMAT_FIT; 730 #endif 731 #ifdef CONFIG_ANDROID_BOOT_IMAGE 732 if (android_image_check_header(img_addr) == 0) 733 return IMAGE_FORMAT_ANDROID; 734 #endif 735 736 return IMAGE_FORMAT_INVALID; 737 } 738 739 /** 740 * genimg_get_image - get image from special storage (if necessary) 741 * @img_addr: image start address 742 * 743 * genimg_get_image() checks if provided image start adddress is located 744 * in a dataflash storage. If so, image is moved to a system RAM memory. 745 * 746 * returns: 747 * image start address after possible relocation from special storage 748 */ 749 ulong genimg_get_image(ulong img_addr) 750 { 751 ulong ram_addr = img_addr; 752 753 #ifdef CONFIG_HAS_DATAFLASH 754 ulong h_size, d_size; 755 756 if (addr_dataflash(img_addr)) { 757 void *buf; 758 759 /* ger RAM address */ 760 ram_addr = CONFIG_SYS_LOAD_ADDR; 761 762 /* get header size */ 763 h_size = image_get_header_size(); 764 #if defined(CONFIG_FIT) 765 if (sizeof(struct fdt_header) > h_size) 766 h_size = sizeof(struct fdt_header); 767 #endif 768 769 /* read in header */ 770 debug(" Reading image header from dataflash address " 771 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 772 773 buf = map_sysmem(ram_addr, 0); 774 read_dataflash(img_addr, h_size, buf); 775 776 /* get data size */ 777 switch (genimg_get_format(buf)) { 778 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 779 case IMAGE_FORMAT_LEGACY: 780 d_size = image_get_data_size(buf); 781 debug(" Legacy format image found at 0x%08lx, " 782 "size 0x%08lx\n", 783 ram_addr, d_size); 784 break; 785 #endif 786 #if defined(CONFIG_FIT) 787 case IMAGE_FORMAT_FIT: 788 d_size = fit_get_size(buf) - h_size; 789 debug(" FIT/FDT format image found at 0x%08lx, " 790 "size 0x%08lx\n", 791 ram_addr, d_size); 792 break; 793 #endif 794 default: 795 printf(" No valid image found at 0x%08lx\n", 796 img_addr); 797 return ram_addr; 798 } 799 800 /* read in image data */ 801 debug(" Reading image remaining data from dataflash address " 802 "%08lx to RAM address %08lx\n", img_addr + h_size, 803 ram_addr + h_size); 804 805 read_dataflash(img_addr + h_size, d_size, 806 (char *)(buf + h_size)); 807 808 } 809 #endif /* CONFIG_HAS_DATAFLASH */ 810 811 return ram_addr; 812 } 813 814 /** 815 * fit_has_config - check if there is a valid FIT configuration 816 * @images: pointer to the bootm command headers structure 817 * 818 * fit_has_config() checks if there is a FIT configuration in use 819 * (if FTI support is present). 820 * 821 * returns: 822 * 0, no FIT support or no configuration found 823 * 1, configuration found 824 */ 825 int genimg_has_config(bootm_headers_t *images) 826 { 827 #if defined(CONFIG_FIT) 828 if (images->fit_uname_cfg) 829 return 1; 830 #endif 831 return 0; 832 } 833 834 /** 835 * boot_get_ramdisk - main ramdisk handling routine 836 * @argc: command argument count 837 * @argv: command argument list 838 * @images: pointer to the bootm images structure 839 * @arch: expected ramdisk architecture 840 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 841 * @rd_end: pointer to a ulong variable, will hold ramdisk end 842 * 843 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 844 * Curently supported are the following ramdisk sources: 845 * - multicomponent kernel/ramdisk image, 846 * - commandline provided address of decicated ramdisk image. 847 * 848 * returns: 849 * 0, if ramdisk image was found and valid, or skiped 850 * rd_start and rd_end are set to ramdisk start/end addresses if 851 * ramdisk image is found and valid 852 * 853 * 1, if ramdisk image is found but corrupted, or invalid 854 * rd_start and rd_end are set to 0 if no ramdisk exists 855 */ 856 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, 857 uint8_t arch, ulong *rd_start, ulong *rd_end) 858 { 859 ulong rd_addr, rd_load; 860 ulong rd_data, rd_len; 861 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 862 const image_header_t *rd_hdr; 863 #endif 864 void *buf; 865 #ifdef CONFIG_SUPPORT_RAW_INITRD 866 char *end; 867 #endif 868 #if defined(CONFIG_FIT) 869 const char *fit_uname_config = images->fit_uname_cfg; 870 const char *fit_uname_ramdisk = NULL; 871 ulong default_addr; 872 int rd_noffset; 873 #endif 874 const char *select = NULL; 875 876 *rd_start = 0; 877 *rd_end = 0; 878 879 if (argc >= 2) 880 select = argv[1]; 881 /* 882 * Look for a '-' which indicates to ignore the 883 * ramdisk argument 884 */ 885 if (select && strcmp(select, "-") == 0) { 886 debug("## Skipping init Ramdisk\n"); 887 rd_len = rd_data = 0; 888 } else if (select || genimg_has_config(images)) { 889 #if defined(CONFIG_FIT) 890 if (select) { 891 /* 892 * If the init ramdisk comes from the FIT image and 893 * the FIT image address is omitted in the command 894 * line argument, try to use os FIT image address or 895 * default load address. 896 */ 897 if (images->fit_uname_os) 898 default_addr = (ulong)images->fit_hdr_os; 899 else 900 default_addr = load_addr; 901 902 if (fit_parse_conf(select, default_addr, 903 &rd_addr, &fit_uname_config)) { 904 debug("* ramdisk: config '%s' from image at " 905 "0x%08lx\n", 906 fit_uname_config, rd_addr); 907 } else if (fit_parse_subimage(select, default_addr, 908 &rd_addr, &fit_uname_ramdisk)) { 909 debug("* ramdisk: subimage '%s' from image at " 910 "0x%08lx\n", 911 fit_uname_ramdisk, rd_addr); 912 } else 913 #endif 914 { 915 rd_addr = simple_strtoul(select, NULL, 16); 916 debug("* ramdisk: cmdline image address = " 917 "0x%08lx\n", 918 rd_addr); 919 } 920 #if defined(CONFIG_FIT) 921 } else { 922 /* use FIT configuration provided in first bootm 923 * command argument. If the property is not defined, 924 * quit silently. 925 */ 926 rd_addr = map_to_sysmem(images->fit_hdr_os); 927 rd_noffset = fit_get_node_from_config(images, 928 FIT_RAMDISK_PROP, rd_addr); 929 if (rd_noffset == -ENOLINK) 930 return 0; 931 else if (rd_noffset < 0) 932 return 1; 933 } 934 #endif 935 936 /* copy from dataflash if needed */ 937 rd_addr = genimg_get_image(rd_addr); 938 939 /* 940 * Check if there is an initrd image at the 941 * address provided in the second bootm argument 942 * check image type, for FIT images get FIT node. 943 */ 944 buf = map_sysmem(rd_addr, 0); 945 switch (genimg_get_format(buf)) { 946 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 947 case IMAGE_FORMAT_LEGACY: 948 printf("## Loading init Ramdisk from Legacy " 949 "Image at %08lx ...\n", rd_addr); 950 951 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK); 952 rd_hdr = image_get_ramdisk(rd_addr, arch, 953 images->verify); 954 955 if (rd_hdr == NULL) 956 return 1; 957 958 rd_data = image_get_data(rd_hdr); 959 rd_len = image_get_data_size(rd_hdr); 960 rd_load = image_get_load(rd_hdr); 961 break; 962 #endif 963 #if defined(CONFIG_FIT) 964 case IMAGE_FORMAT_FIT: 965 rd_noffset = fit_image_load(images, 966 rd_addr, &fit_uname_ramdisk, 967 &fit_uname_config, arch, 968 IH_TYPE_RAMDISK, 969 BOOTSTAGE_ID_FIT_RD_START, 970 FIT_LOAD_OPTIONAL_NON_ZERO, 971 &rd_data, &rd_len); 972 if (rd_noffset < 0) 973 return 1; 974 975 images->fit_hdr_rd = map_sysmem(rd_addr, 0); 976 images->fit_uname_rd = fit_uname_ramdisk; 977 images->fit_noffset_rd = rd_noffset; 978 break; 979 #endif 980 default: 981 #ifdef CONFIG_SUPPORT_RAW_INITRD 982 end = NULL; 983 if (select) 984 end = strchr(select, ':'); 985 if (end) { 986 rd_len = simple_strtoul(++end, NULL, 16); 987 rd_data = rd_addr; 988 } else 989 #endif 990 { 991 puts("Wrong Ramdisk Image Format\n"); 992 rd_data = rd_len = rd_load = 0; 993 return 1; 994 } 995 } 996 } else if (images->legacy_hdr_valid && 997 image_check_type(&images->legacy_hdr_os_copy, 998 IH_TYPE_MULTI)) { 999 1000 /* 1001 * Now check if we have a legacy mult-component image, 1002 * get second entry data start address and len. 1003 */ 1004 bootstage_mark(BOOTSTAGE_ID_RAMDISK); 1005 printf("## Loading init Ramdisk from multi component " 1006 "Legacy Image at %08lx ...\n", 1007 (ulong)images->legacy_hdr_os); 1008 1009 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len); 1010 } 1011 #ifdef CONFIG_ANDROID_BOOT_IMAGE 1012 else if ((genimg_get_format(images) == IMAGE_FORMAT_ANDROID) && 1013 (!android_image_get_ramdisk((void *)images->os.start, 1014 &rd_data, &rd_len))) { 1015 /* empty */ 1016 } 1017 #endif 1018 else { 1019 /* 1020 * no initrd image 1021 */ 1022 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK); 1023 rd_len = rd_data = 0; 1024 } 1025 1026 if (!rd_data) { 1027 debug("## No init Ramdisk\n"); 1028 } else { 1029 *rd_start = rd_data; 1030 *rd_end = rd_data + rd_len; 1031 } 1032 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 1033 *rd_start, *rd_end); 1034 1035 return 0; 1036 } 1037 1038 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH 1039 /** 1040 * boot_ramdisk_high - relocate init ramdisk 1041 * @lmb: pointer to lmb handle, will be used for memory mgmt 1042 * @rd_data: ramdisk data start address 1043 * @rd_len: ramdisk data length 1044 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 1045 * start address (after possible relocation) 1046 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 1047 * end address (after possible relocation) 1048 * 1049 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment 1050 * variable and if requested ramdisk data is moved to a specified location. 1051 * 1052 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 1053 * start/end addresses if ramdisk image start and len were provided, 1054 * otherwise set initrd_start and initrd_end set to zeros. 1055 * 1056 * returns: 1057 * 0 - success 1058 * -1 - failure 1059 */ 1060 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, 1061 ulong *initrd_start, ulong *initrd_end) 1062 { 1063 char *s; 1064 ulong initrd_high; 1065 int initrd_copy_to_ram = 1; 1066 1067 if ((s = getenv("initrd_high")) != NULL) { 1068 /* a value of "no" or a similar string will act like 0, 1069 * turning the "load high" feature off. This is intentional. 1070 */ 1071 initrd_high = simple_strtoul(s, NULL, 16); 1072 if (initrd_high == ~0) 1073 initrd_copy_to_ram = 0; 1074 } else { 1075 /* not set, no restrictions to load high */ 1076 initrd_high = ~0; 1077 } 1078 1079 1080 #ifdef CONFIG_LOGBUFFER 1081 /* Prevent initrd from overwriting logbuffer */ 1082 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1083 #endif 1084 1085 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1086 initrd_high, initrd_copy_to_ram); 1087 1088 if (rd_data) { 1089 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1090 debug(" in-place initrd\n"); 1091 *initrd_start = rd_data; 1092 *initrd_end = rd_data + rd_len; 1093 lmb_reserve(lmb, rd_data, rd_len); 1094 } else { 1095 if (initrd_high) 1096 *initrd_start = (ulong)lmb_alloc_base(lmb, 1097 rd_len, 0x1000, initrd_high); 1098 else 1099 *initrd_start = (ulong)lmb_alloc(lmb, rd_len, 1100 0x1000); 1101 1102 if (*initrd_start == 0) { 1103 puts("ramdisk - allocation error\n"); 1104 goto error; 1105 } 1106 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK); 1107 1108 *initrd_end = *initrd_start + rd_len; 1109 printf(" Loading Ramdisk to %08lx, end %08lx ... ", 1110 *initrd_start, *initrd_end); 1111 1112 memmove_wd((void *)*initrd_start, 1113 (void *)rd_data, rd_len, CHUNKSZ); 1114 1115 #ifdef CONFIG_MP 1116 /* 1117 * Ensure the image is flushed to memory to handle 1118 * AMP boot scenarios in which we might not be 1119 * HW cache coherent 1120 */ 1121 flush_cache((unsigned long)*initrd_start, rd_len); 1122 #endif 1123 puts("OK\n"); 1124 } 1125 } else { 1126 *initrd_start = 0; 1127 *initrd_end = 0; 1128 } 1129 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1130 *initrd_start, *initrd_end); 1131 1132 return 0; 1133 1134 error: 1135 return -1; 1136 } 1137 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */ 1138 1139 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE 1140 /** 1141 * boot_get_cmdline - allocate and initialize kernel cmdline 1142 * @lmb: pointer to lmb handle, will be used for memory mgmt 1143 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1144 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1145 * 1146 * boot_get_cmdline() allocates space for kernel command line below 1147 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt 1148 * variable is present its contents is copied to allocated kernel 1149 * command line. 1150 * 1151 * returns: 1152 * 0 - success 1153 * -1 - failure 1154 */ 1155 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end) 1156 { 1157 char *cmdline; 1158 char *s; 1159 1160 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1161 getenv_bootm_mapsize() + getenv_bootm_low()); 1162 1163 if (cmdline == NULL) 1164 return -1; 1165 1166 if ((s = getenv("bootargs")) == NULL) 1167 s = ""; 1168 1169 strcpy(cmdline, s); 1170 1171 *cmd_start = (ulong) & cmdline[0]; 1172 *cmd_end = *cmd_start + strlen(cmdline); 1173 1174 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1175 1176 return 0; 1177 } 1178 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */ 1179 1180 #ifdef CONFIG_SYS_BOOT_GET_KBD 1181 /** 1182 * boot_get_kbd - allocate and initialize kernel copy of board info 1183 * @lmb: pointer to lmb handle, will be used for memory mgmt 1184 * @kbd: double pointer to board info data 1185 * 1186 * boot_get_kbd() allocates space for kernel copy of board info data below 1187 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized 1188 * with the current u-boot board info data. 1189 * 1190 * returns: 1191 * 0 - success 1192 * -1 - failure 1193 */ 1194 int boot_get_kbd(struct lmb *lmb, bd_t **kbd) 1195 { 1196 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1197 getenv_bootm_mapsize() + getenv_bootm_low()); 1198 if (*kbd == NULL) 1199 return -1; 1200 1201 **kbd = *(gd->bd); 1202 1203 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1204 1205 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1206 do_bdinfo(NULL, 0, 0, NULL); 1207 #endif 1208 1209 return 0; 1210 } 1211 #endif /* CONFIG_SYS_BOOT_GET_KBD */ 1212 1213 #ifdef CONFIG_LMB 1214 int image_setup_linux(bootm_headers_t *images) 1215 { 1216 ulong of_size = images->ft_len; 1217 char **of_flat_tree = &images->ft_addr; 1218 ulong *initrd_start = &images->initrd_start; 1219 ulong *initrd_end = &images->initrd_end; 1220 struct lmb *lmb = &images->lmb; 1221 ulong rd_len; 1222 int ret; 1223 1224 if (IMAGE_ENABLE_OF_LIBFDT) 1225 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); 1226 1227 if (IMAGE_BOOT_GET_CMDLINE) { 1228 ret = boot_get_cmdline(lmb, &images->cmdline_start, 1229 &images->cmdline_end); 1230 if (ret) { 1231 puts("ERROR with allocation of cmdline\n"); 1232 return ret; 1233 } 1234 } 1235 if (IMAGE_ENABLE_RAMDISK_HIGH) { 1236 rd_len = images->rd_end - images->rd_start; 1237 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len, 1238 initrd_start, initrd_end); 1239 if (ret) 1240 return ret; 1241 } 1242 1243 if (IMAGE_ENABLE_OF_LIBFDT) { 1244 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); 1245 if (ret) 1246 return ret; 1247 } 1248 1249 if (IMAGE_ENABLE_OF_LIBFDT && of_size) { 1250 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb); 1251 if (ret) 1252 return ret; 1253 } 1254 1255 return 0; 1256 } 1257 #endif /* CONFIG_LMB */ 1258 #endif /* !USE_HOSTCC */ 1259