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 { IH_TYPE_X86_SETUP, "x86_setup", "x86 setup.bin", }, 147 { -1, "", "", }, 148 }; 149 150 static const table_entry_t uimage_comp[] = { 151 { IH_COMP_NONE, "none", "uncompressed", }, 152 { IH_COMP_BZIP2, "bzip2", "bzip2 compressed", }, 153 { IH_COMP_GZIP, "gzip", "gzip compressed", }, 154 { IH_COMP_LZMA, "lzma", "lzma compressed", }, 155 { IH_COMP_LZO, "lzo", "lzo compressed", }, 156 { -1, "", "", }, 157 }; 158 159 /*****************************************************************************/ 160 /* Legacy format routines */ 161 /*****************************************************************************/ 162 int image_check_hcrc(const image_header_t *hdr) 163 { 164 ulong hcrc; 165 ulong len = image_get_header_size(); 166 image_header_t header; 167 168 /* Copy header so we can blank CRC field for re-calculation */ 169 memmove(&header, (char *)hdr, image_get_header_size()); 170 image_set_hcrc(&header, 0); 171 172 hcrc = crc32(0, (unsigned char *)&header, len); 173 174 return (hcrc == image_get_hcrc(hdr)); 175 } 176 177 int image_check_dcrc(const image_header_t *hdr) 178 { 179 ulong data = image_get_data(hdr); 180 ulong len = image_get_data_size(hdr); 181 ulong dcrc = crc32_wd(0, (unsigned char *)data, len, CHUNKSZ_CRC32); 182 183 return (dcrc == image_get_dcrc(hdr)); 184 } 185 186 /** 187 * image_multi_count - get component (sub-image) count 188 * @hdr: pointer to the header of the multi component image 189 * 190 * image_multi_count() returns number of components in a multi 191 * component image. 192 * 193 * Note: no checking of the image type is done, caller must pass 194 * a valid multi component image. 195 * 196 * returns: 197 * number of components 198 */ 199 ulong image_multi_count(const image_header_t *hdr) 200 { 201 ulong i, count = 0; 202 uint32_t *size; 203 204 /* get start of the image payload, which in case of multi 205 * component images that points to a table of component sizes */ 206 size = (uint32_t *)image_get_data(hdr); 207 208 /* count non empty slots */ 209 for (i = 0; size[i]; ++i) 210 count++; 211 212 return count; 213 } 214 215 /** 216 * image_multi_getimg - get component data address and size 217 * @hdr: pointer to the header of the multi component image 218 * @idx: index of the requested component 219 * @data: pointer to a ulong variable, will hold component data address 220 * @len: pointer to a ulong variable, will hold component size 221 * 222 * image_multi_getimg() returns size and data address for the requested 223 * component in a multi component image. 224 * 225 * Note: no checking of the image type is done, caller must pass 226 * a valid multi component image. 227 * 228 * returns: 229 * data address and size of the component, if idx is valid 230 * 0 in data and len, if idx is out of range 231 */ 232 void image_multi_getimg(const image_header_t *hdr, ulong idx, 233 ulong *data, ulong *len) 234 { 235 int i; 236 uint32_t *size; 237 ulong offset, count, img_data; 238 239 /* get number of component */ 240 count = image_multi_count(hdr); 241 242 /* get start of the image payload, which in case of multi 243 * component images that points to a table of component sizes */ 244 size = (uint32_t *)image_get_data(hdr); 245 246 /* get address of the proper component data start, which means 247 * skipping sizes table (add 1 for last, null entry) */ 248 img_data = image_get_data(hdr) + (count + 1) * sizeof(uint32_t); 249 250 if (idx < count) { 251 *len = uimage_to_cpu(size[idx]); 252 offset = 0; 253 254 /* go over all indices preceding requested component idx */ 255 for (i = 0; i < idx; i++) { 256 /* add up i-th component size, rounding up to 4 bytes */ 257 offset += (uimage_to_cpu(size[i]) + 3) & ~3 ; 258 } 259 260 /* calculate idx-th component data address */ 261 *data = img_data + offset; 262 } else { 263 *len = 0; 264 *data = 0; 265 } 266 } 267 268 static void image_print_type(const image_header_t *hdr) 269 { 270 const char *os, *arch, *type, *comp; 271 272 os = genimg_get_os_name(image_get_os(hdr)); 273 arch = genimg_get_arch_name(image_get_arch(hdr)); 274 type = genimg_get_type_name(image_get_type(hdr)); 275 comp = genimg_get_comp_name(image_get_comp(hdr)); 276 277 printf("%s %s %s (%s)\n", arch, os, type, comp); 278 } 279 280 /** 281 * image_print_contents - prints out the contents of the legacy format image 282 * @ptr: pointer to the legacy format image header 283 * @p: pointer to prefix string 284 * 285 * image_print_contents() formats a multi line legacy image contents description. 286 * The routine prints out all header fields followed by the size/offset data 287 * for MULTI/SCRIPT images. 288 * 289 * returns: 290 * no returned results 291 */ 292 void image_print_contents(const void *ptr) 293 { 294 const image_header_t *hdr = (const image_header_t *)ptr; 295 const char *p; 296 297 p = IMAGE_INDENT_STRING; 298 printf("%sImage Name: %.*s\n", p, IH_NMLEN, image_get_name(hdr)); 299 if (IMAGE_ENABLE_TIMESTAMP) { 300 printf("%sCreated: ", p); 301 genimg_print_time((time_t)image_get_time(hdr)); 302 } 303 printf("%sImage Type: ", p); 304 image_print_type(hdr); 305 printf("%sData Size: ", p); 306 genimg_print_size(image_get_data_size(hdr)); 307 printf("%sLoad Address: %08x\n", p, image_get_load(hdr)); 308 printf("%sEntry Point: %08x\n", p, image_get_ep(hdr)); 309 310 if (image_check_type(hdr, IH_TYPE_MULTI) || 311 image_check_type(hdr, IH_TYPE_SCRIPT)) { 312 int i; 313 ulong data, len; 314 ulong count = image_multi_count(hdr); 315 316 printf("%sContents:\n", p); 317 for (i = 0; i < count; i++) { 318 image_multi_getimg(hdr, i, &data, &len); 319 320 printf("%s Image %d: ", p, i); 321 genimg_print_size(len); 322 323 if (image_check_type(hdr, IH_TYPE_SCRIPT) && i > 0) { 324 /* 325 * the user may need to know offsets 326 * if planning to do something with 327 * multiple files 328 */ 329 printf("%s Offset = 0x%08lx\n", p, data); 330 } 331 } 332 } 333 } 334 335 336 #ifndef USE_HOSTCC 337 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 338 /** 339 * image_get_ramdisk - get and verify ramdisk image 340 * @rd_addr: ramdisk image start address 341 * @arch: expected ramdisk architecture 342 * @verify: checksum verification flag 343 * 344 * image_get_ramdisk() returns a pointer to the verified ramdisk image 345 * header. Routine receives image start address and expected architecture 346 * flag. Verification done covers data and header integrity and os/type/arch 347 * fields checking. 348 * 349 * If dataflash support is enabled routine checks for dataflash addresses 350 * and handles required dataflash reads. 351 * 352 * returns: 353 * pointer to a ramdisk image header, if image was found and valid 354 * otherwise, return NULL 355 */ 356 static const image_header_t *image_get_ramdisk(ulong rd_addr, uint8_t arch, 357 int verify) 358 { 359 const image_header_t *rd_hdr = (const image_header_t *)rd_addr; 360 361 if (!image_check_magic(rd_hdr)) { 362 puts("Bad Magic Number\n"); 363 bootstage_error(BOOTSTAGE_ID_RD_MAGIC); 364 return NULL; 365 } 366 367 if (!image_check_hcrc(rd_hdr)) { 368 puts("Bad Header Checksum\n"); 369 bootstage_error(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 370 return NULL; 371 } 372 373 bootstage_mark(BOOTSTAGE_ID_RD_MAGIC); 374 image_print_contents(rd_hdr); 375 376 if (verify) { 377 puts(" Verifying Checksum ... "); 378 if (!image_check_dcrc(rd_hdr)) { 379 puts("Bad Data CRC\n"); 380 bootstage_error(BOOTSTAGE_ID_RD_CHECKSUM); 381 return NULL; 382 } 383 puts("OK\n"); 384 } 385 386 bootstage_mark(BOOTSTAGE_ID_RD_HDR_CHECKSUM); 387 388 if (!image_check_os(rd_hdr, IH_OS_LINUX) || 389 !image_check_arch(rd_hdr, arch) || 390 !image_check_type(rd_hdr, IH_TYPE_RAMDISK)) { 391 printf("No Linux %s Ramdisk Image\n", 392 genimg_get_arch_name(arch)); 393 bootstage_error(BOOTSTAGE_ID_RAMDISK); 394 return NULL; 395 } 396 397 return rd_hdr; 398 } 399 #endif 400 #endif /* !USE_HOSTCC */ 401 402 /*****************************************************************************/ 403 /* Shared dual-format routines */ 404 /*****************************************************************************/ 405 #ifndef USE_HOSTCC 406 ulong load_addr = CONFIG_SYS_LOAD_ADDR; /* Default Load Address */ 407 ulong save_addr; /* Default Save Address */ 408 ulong save_size; /* Default Save Size (in bytes) */ 409 410 static int on_loadaddr(const char *name, const char *value, enum env_op op, 411 int flags) 412 { 413 switch (op) { 414 case env_op_create: 415 case env_op_overwrite: 416 load_addr = simple_strtoul(value, NULL, 16); 417 break; 418 default: 419 break; 420 } 421 422 return 0; 423 } 424 U_BOOT_ENV_CALLBACK(loadaddr, on_loadaddr); 425 426 ulong getenv_bootm_low(void) 427 { 428 char *s = getenv("bootm_low"); 429 if (s) { 430 ulong tmp = simple_strtoul(s, NULL, 16); 431 return tmp; 432 } 433 434 #if defined(CONFIG_SYS_SDRAM_BASE) 435 return CONFIG_SYS_SDRAM_BASE; 436 #elif defined(CONFIG_ARM) 437 return gd->bd->bi_dram[0].start; 438 #else 439 return 0; 440 #endif 441 } 442 443 phys_size_t getenv_bootm_size(void) 444 { 445 phys_size_t tmp; 446 char *s = getenv("bootm_size"); 447 if (s) { 448 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 449 return tmp; 450 } 451 s = getenv("bootm_low"); 452 if (s) 453 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 454 else 455 tmp = 0; 456 457 458 #if defined(CONFIG_ARM) 459 return gd->bd->bi_dram[0].size - tmp; 460 #else 461 return gd->bd->bi_memsize - tmp; 462 #endif 463 } 464 465 phys_size_t getenv_bootm_mapsize(void) 466 { 467 phys_size_t tmp; 468 char *s = getenv("bootm_mapsize"); 469 if (s) { 470 tmp = (phys_size_t)simple_strtoull(s, NULL, 16); 471 return tmp; 472 } 473 474 #if defined(CONFIG_SYS_BOOTMAPSZ) 475 return CONFIG_SYS_BOOTMAPSZ; 476 #else 477 return getenv_bootm_size(); 478 #endif 479 } 480 481 void memmove_wd(void *to, void *from, size_t len, ulong chunksz) 482 { 483 if (to == from) 484 return; 485 486 #if defined(CONFIG_HW_WATCHDOG) || defined(CONFIG_WATCHDOG) 487 while (len > 0) { 488 size_t tail = (len > chunksz) ? chunksz : len; 489 WATCHDOG_RESET(); 490 memmove(to, from, tail); 491 to += tail; 492 from += tail; 493 len -= tail; 494 } 495 #else /* !(CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG) */ 496 memmove(to, from, len); 497 #endif /* CONFIG_HW_WATCHDOG || CONFIG_WATCHDOG */ 498 } 499 #endif /* !USE_HOSTCC */ 500 501 void genimg_print_size(uint32_t size) 502 { 503 #ifndef USE_HOSTCC 504 printf("%d Bytes = ", size); 505 print_size(size, "\n"); 506 #else 507 printf("%d Bytes = %.2f kB = %.2f MB\n", 508 size, (double)size / 1.024e3, 509 (double)size / 1.048576e6); 510 #endif 511 } 512 513 #if IMAGE_ENABLE_TIMESTAMP 514 void genimg_print_time(time_t timestamp) 515 { 516 #ifndef USE_HOSTCC 517 struct rtc_time tm; 518 519 to_tm(timestamp, &tm); 520 printf("%4d-%02d-%02d %2d:%02d:%02d UTC\n", 521 tm.tm_year, tm.tm_mon, tm.tm_mday, 522 tm.tm_hour, tm.tm_min, tm.tm_sec); 523 #else 524 printf("%s", ctime(×tamp)); 525 #endif 526 } 527 #endif 528 529 /** 530 * get_table_entry_name - translate entry id to long name 531 * @table: pointer to a translation table for entries of a specific type 532 * @msg: message to be returned when translation fails 533 * @id: entry id to be translated 534 * 535 * get_table_entry_name() will go over translation table trying to find 536 * entry that matches given id. If matching entry is found, its long 537 * name is returned to the caller. 538 * 539 * returns: 540 * long entry name if translation succeeds 541 * msg otherwise 542 */ 543 char *get_table_entry_name(const table_entry_t *table, char *msg, int id) 544 { 545 for (; table->id >= 0; ++table) { 546 if (table->id == id) 547 #if defined(USE_HOSTCC) || !defined(CONFIG_NEEDS_MANUAL_RELOC) 548 return table->lname; 549 #else 550 return table->lname + gd->reloc_off; 551 #endif 552 } 553 return (msg); 554 } 555 556 const char *genimg_get_os_name(uint8_t os) 557 { 558 return (get_table_entry_name(uimage_os, "Unknown OS", os)); 559 } 560 561 const char *genimg_get_arch_name(uint8_t arch) 562 { 563 return (get_table_entry_name(uimage_arch, "Unknown Architecture", 564 arch)); 565 } 566 567 const char *genimg_get_type_name(uint8_t type) 568 { 569 return (get_table_entry_name(uimage_type, "Unknown Image", type)); 570 } 571 572 const char *genimg_get_comp_name(uint8_t comp) 573 { 574 return (get_table_entry_name(uimage_comp, "Unknown Compression", 575 comp)); 576 } 577 578 /** 579 * get_table_entry_id - translate short entry name to id 580 * @table: pointer to a translation table for entries of a specific type 581 * @table_name: to be used in case of error 582 * @name: entry short name to be translated 583 * 584 * get_table_entry_id() will go over translation table trying to find 585 * entry that matches given short name. If matching entry is found, 586 * its id returned to the caller. 587 * 588 * returns: 589 * entry id if translation succeeds 590 * -1 otherwise 591 */ 592 int get_table_entry_id(const table_entry_t *table, 593 const char *table_name, const char *name) 594 { 595 const table_entry_t *t; 596 #ifdef USE_HOSTCC 597 int first = 1; 598 599 for (t = table; t->id >= 0; ++t) { 600 if (t->sname && strcasecmp(t->sname, name) == 0) 601 return(t->id); 602 } 603 604 fprintf(stderr, "\nInvalid %s Type - valid names are", table_name); 605 for (t = table; t->id >= 0; ++t) { 606 if (t->sname == NULL) 607 continue; 608 fprintf(stderr, "%c %s", (first) ? ':' : ',', t->sname); 609 first = 0; 610 } 611 fprintf(stderr, "\n"); 612 #else 613 for (t = table; t->id >= 0; ++t) { 614 #ifdef CONFIG_NEEDS_MANUAL_RELOC 615 if (t->sname && strcmp(t->sname + gd->reloc_off, name) == 0) 616 #else 617 if (t->sname && strcmp(t->sname, name) == 0) 618 #endif 619 return (t->id); 620 } 621 debug("Invalid %s Type: %s\n", table_name, name); 622 #endif /* USE_HOSTCC */ 623 return (-1); 624 } 625 626 int genimg_get_os_id(const char *name) 627 { 628 return (get_table_entry_id(uimage_os, "OS", name)); 629 } 630 631 int genimg_get_arch_id(const char *name) 632 { 633 return (get_table_entry_id(uimage_arch, "CPU", name)); 634 } 635 636 int genimg_get_type_id(const char *name) 637 { 638 return (get_table_entry_id(uimage_type, "Image", name)); 639 } 640 641 int genimg_get_comp_id(const char *name) 642 { 643 return (get_table_entry_id(uimage_comp, "Compression", name)); 644 } 645 646 #ifndef USE_HOSTCC 647 /** 648 * genimg_get_kernel_addr_fit - get the real kernel address and return 2 649 * FIT strings 650 * @img_addr: a string might contain real image address 651 * @fit_uname_config: double pointer to a char, will hold pointer to a 652 * configuration unit name 653 * @fit_uname_kernel: double pointer to a char, will hold pointer to a subimage 654 * name 655 * 656 * genimg_get_kernel_addr_fit get the real kernel start address from a string 657 * which is normally the first argv of bootm/bootz 658 * 659 * returns: 660 * kernel start address 661 */ 662 ulong genimg_get_kernel_addr_fit(char * const img_addr, 663 const char **fit_uname_config, 664 const char **fit_uname_kernel) 665 { 666 ulong kernel_addr; 667 668 /* find out kernel image address */ 669 if (!img_addr) { 670 kernel_addr = load_addr; 671 debug("* kernel: default image load address = 0x%08lx\n", 672 load_addr); 673 #if defined(CONFIG_FIT) 674 } else if (fit_parse_conf(img_addr, load_addr, &kernel_addr, 675 fit_uname_config)) { 676 debug("* kernel: config '%s' from image at 0x%08lx\n", 677 *fit_uname_config, kernel_addr); 678 } else if (fit_parse_subimage(img_addr, load_addr, &kernel_addr, 679 fit_uname_kernel)) { 680 debug("* kernel: subimage '%s' from image at 0x%08lx\n", 681 *fit_uname_kernel, kernel_addr); 682 #endif 683 } else { 684 kernel_addr = simple_strtoul(img_addr, NULL, 16); 685 debug("* kernel: cmdline image address = 0x%08lx\n", 686 kernel_addr); 687 } 688 689 return kernel_addr; 690 } 691 692 /** 693 * genimg_get_kernel_addr() is the simple version of 694 * genimg_get_kernel_addr_fit(). It ignores those return FIT strings 695 */ 696 ulong genimg_get_kernel_addr(char * const img_addr) 697 { 698 const char *fit_uname_config = NULL; 699 const char *fit_uname_kernel = NULL; 700 701 return genimg_get_kernel_addr_fit(img_addr, &fit_uname_config, 702 &fit_uname_kernel); 703 } 704 705 /** 706 * genimg_get_format - get image format type 707 * @img_addr: image start address 708 * 709 * genimg_get_format() checks whether provided address points to a valid 710 * legacy or FIT image. 711 * 712 * New uImage format and FDT blob are based on a libfdt. FDT blob 713 * may be passed directly or embedded in a FIT image. In both situations 714 * genimg_get_format() must be able to dectect libfdt header. 715 * 716 * returns: 717 * image format type or IMAGE_FORMAT_INVALID if no image is present 718 */ 719 int genimg_get_format(const void *img_addr) 720 { 721 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 722 const image_header_t *hdr; 723 724 hdr = (const image_header_t *)img_addr; 725 if (image_check_magic(hdr)) 726 return IMAGE_FORMAT_LEGACY; 727 #endif 728 #if defined(CONFIG_FIT) || defined(CONFIG_OF_LIBFDT) 729 if (fdt_check_header(img_addr) == 0) 730 return IMAGE_FORMAT_FIT; 731 #endif 732 #ifdef CONFIG_ANDROID_BOOT_IMAGE 733 if (android_image_check_header(img_addr) == 0) 734 return IMAGE_FORMAT_ANDROID; 735 #endif 736 737 return IMAGE_FORMAT_INVALID; 738 } 739 740 /** 741 * genimg_get_image - get image from special storage (if necessary) 742 * @img_addr: image start address 743 * 744 * genimg_get_image() checks if provided image start adddress is located 745 * in a dataflash storage. If so, image is moved to a system RAM memory. 746 * 747 * returns: 748 * image start address after possible relocation from special storage 749 */ 750 ulong genimg_get_image(ulong img_addr) 751 { 752 ulong ram_addr = img_addr; 753 754 #ifdef CONFIG_HAS_DATAFLASH 755 ulong h_size, d_size; 756 757 if (addr_dataflash(img_addr)) { 758 void *buf; 759 760 /* ger RAM address */ 761 ram_addr = CONFIG_SYS_LOAD_ADDR; 762 763 /* get header size */ 764 h_size = image_get_header_size(); 765 #if defined(CONFIG_FIT) 766 if (sizeof(struct fdt_header) > h_size) 767 h_size = sizeof(struct fdt_header); 768 #endif 769 770 /* read in header */ 771 debug(" Reading image header from dataflash address " 772 "%08lx to RAM address %08lx\n", img_addr, ram_addr); 773 774 buf = map_sysmem(ram_addr, 0); 775 read_dataflash(img_addr, h_size, buf); 776 777 /* get data size */ 778 switch (genimg_get_format(buf)) { 779 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 780 case IMAGE_FORMAT_LEGACY: 781 d_size = image_get_data_size(buf); 782 debug(" Legacy format image found at 0x%08lx, " 783 "size 0x%08lx\n", 784 ram_addr, d_size); 785 break; 786 #endif 787 #if defined(CONFIG_FIT) 788 case IMAGE_FORMAT_FIT: 789 d_size = fit_get_size(buf) - h_size; 790 debug(" FIT/FDT format image found at 0x%08lx, " 791 "size 0x%08lx\n", 792 ram_addr, d_size); 793 break; 794 #endif 795 default: 796 printf(" No valid image found at 0x%08lx\n", 797 img_addr); 798 return ram_addr; 799 } 800 801 /* read in image data */ 802 debug(" Reading image remaining data from dataflash address " 803 "%08lx to RAM address %08lx\n", img_addr + h_size, 804 ram_addr + h_size); 805 806 read_dataflash(img_addr + h_size, d_size, 807 (char *)(buf + h_size)); 808 809 } 810 #endif /* CONFIG_HAS_DATAFLASH */ 811 812 return ram_addr; 813 } 814 815 /** 816 * fit_has_config - check if there is a valid FIT configuration 817 * @images: pointer to the bootm command headers structure 818 * 819 * fit_has_config() checks if there is a FIT configuration in use 820 * (if FTI support is present). 821 * 822 * returns: 823 * 0, no FIT support or no configuration found 824 * 1, configuration found 825 */ 826 int genimg_has_config(bootm_headers_t *images) 827 { 828 #if defined(CONFIG_FIT) 829 if (images->fit_uname_cfg) 830 return 1; 831 #endif 832 return 0; 833 } 834 835 /** 836 * boot_get_ramdisk - main ramdisk handling routine 837 * @argc: command argument count 838 * @argv: command argument list 839 * @images: pointer to the bootm images structure 840 * @arch: expected ramdisk architecture 841 * @rd_start: pointer to a ulong variable, will hold ramdisk start address 842 * @rd_end: pointer to a ulong variable, will hold ramdisk end 843 * 844 * boot_get_ramdisk() is responsible for finding a valid ramdisk image. 845 * Curently supported are the following ramdisk sources: 846 * - multicomponent kernel/ramdisk image, 847 * - commandline provided address of decicated ramdisk image. 848 * 849 * returns: 850 * 0, if ramdisk image was found and valid, or skiped 851 * rd_start and rd_end are set to ramdisk start/end addresses if 852 * ramdisk image is found and valid 853 * 854 * 1, if ramdisk image is found but corrupted, or invalid 855 * rd_start and rd_end are set to 0 if no ramdisk exists 856 */ 857 int boot_get_ramdisk(int argc, char * const argv[], bootm_headers_t *images, 858 uint8_t arch, ulong *rd_start, ulong *rd_end) 859 { 860 ulong rd_addr, rd_load; 861 ulong rd_data, rd_len; 862 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 863 const image_header_t *rd_hdr; 864 #endif 865 void *buf; 866 #ifdef CONFIG_SUPPORT_RAW_INITRD 867 char *end; 868 #endif 869 #if defined(CONFIG_FIT) 870 const char *fit_uname_config = images->fit_uname_cfg; 871 const char *fit_uname_ramdisk = NULL; 872 ulong default_addr; 873 int rd_noffset; 874 #endif 875 const char *select = NULL; 876 877 *rd_start = 0; 878 *rd_end = 0; 879 880 if (argc >= 2) 881 select = argv[1]; 882 /* 883 * Look for a '-' which indicates to ignore the 884 * ramdisk argument 885 */ 886 if (select && strcmp(select, "-") == 0) { 887 debug("## Skipping init Ramdisk\n"); 888 rd_len = rd_data = 0; 889 } else if (select || genimg_has_config(images)) { 890 #if defined(CONFIG_FIT) 891 if (select) { 892 /* 893 * If the init ramdisk comes from the FIT image and 894 * the FIT image address is omitted in the command 895 * line argument, try to use os FIT image address or 896 * default load address. 897 */ 898 if (images->fit_uname_os) 899 default_addr = (ulong)images->fit_hdr_os; 900 else 901 default_addr = load_addr; 902 903 if (fit_parse_conf(select, default_addr, 904 &rd_addr, &fit_uname_config)) { 905 debug("* ramdisk: config '%s' from image at " 906 "0x%08lx\n", 907 fit_uname_config, rd_addr); 908 } else if (fit_parse_subimage(select, default_addr, 909 &rd_addr, &fit_uname_ramdisk)) { 910 debug("* ramdisk: subimage '%s' from image at " 911 "0x%08lx\n", 912 fit_uname_ramdisk, rd_addr); 913 } else 914 #endif 915 { 916 rd_addr = simple_strtoul(select, NULL, 16); 917 debug("* ramdisk: cmdline image address = " 918 "0x%08lx\n", 919 rd_addr); 920 } 921 #if defined(CONFIG_FIT) 922 } else { 923 /* use FIT configuration provided in first bootm 924 * command argument. If the property is not defined, 925 * quit silently. 926 */ 927 rd_addr = map_to_sysmem(images->fit_hdr_os); 928 rd_noffset = fit_get_node_from_config(images, 929 FIT_RAMDISK_PROP, rd_addr); 930 if (rd_noffset == -ENOLINK) 931 return 0; 932 else if (rd_noffset < 0) 933 return 1; 934 } 935 #endif 936 937 /* copy from dataflash if needed */ 938 rd_addr = genimg_get_image(rd_addr); 939 940 /* 941 * Check if there is an initrd image at the 942 * address provided in the second bootm argument 943 * check image type, for FIT images get FIT node. 944 */ 945 buf = map_sysmem(rd_addr, 0); 946 switch (genimg_get_format(buf)) { 947 #if defined(CONFIG_IMAGE_FORMAT_LEGACY) 948 case IMAGE_FORMAT_LEGACY: 949 printf("## Loading init Ramdisk from Legacy " 950 "Image at %08lx ...\n", rd_addr); 951 952 bootstage_mark(BOOTSTAGE_ID_CHECK_RAMDISK); 953 rd_hdr = image_get_ramdisk(rd_addr, arch, 954 images->verify); 955 956 if (rd_hdr == NULL) 957 return 1; 958 959 rd_data = image_get_data(rd_hdr); 960 rd_len = image_get_data_size(rd_hdr); 961 rd_load = image_get_load(rd_hdr); 962 break; 963 #endif 964 #if defined(CONFIG_FIT) 965 case IMAGE_FORMAT_FIT: 966 rd_noffset = fit_image_load(images, 967 rd_addr, &fit_uname_ramdisk, 968 &fit_uname_config, arch, 969 IH_TYPE_RAMDISK, 970 BOOTSTAGE_ID_FIT_RD_START, 971 FIT_LOAD_OPTIONAL_NON_ZERO, 972 &rd_data, &rd_len); 973 if (rd_noffset < 0) 974 return 1; 975 976 images->fit_hdr_rd = map_sysmem(rd_addr, 0); 977 images->fit_uname_rd = fit_uname_ramdisk; 978 images->fit_noffset_rd = rd_noffset; 979 break; 980 #endif 981 default: 982 #ifdef CONFIG_SUPPORT_RAW_INITRD 983 end = NULL; 984 if (select) 985 end = strchr(select, ':'); 986 if (end) { 987 rd_len = simple_strtoul(++end, NULL, 16); 988 rd_data = rd_addr; 989 } else 990 #endif 991 { 992 puts("Wrong Ramdisk Image Format\n"); 993 rd_data = rd_len = rd_load = 0; 994 return 1; 995 } 996 } 997 } else if (images->legacy_hdr_valid && 998 image_check_type(&images->legacy_hdr_os_copy, 999 IH_TYPE_MULTI)) { 1000 1001 /* 1002 * Now check if we have a legacy mult-component image, 1003 * get second entry data start address and len. 1004 */ 1005 bootstage_mark(BOOTSTAGE_ID_RAMDISK); 1006 printf("## Loading init Ramdisk from multi component " 1007 "Legacy Image at %08lx ...\n", 1008 (ulong)images->legacy_hdr_os); 1009 1010 image_multi_getimg(images->legacy_hdr_os, 1, &rd_data, &rd_len); 1011 } 1012 #ifdef CONFIG_ANDROID_BOOT_IMAGE 1013 else if ((genimg_get_format(images) == IMAGE_FORMAT_ANDROID) && 1014 (!android_image_get_ramdisk((void *)images->os.start, 1015 &rd_data, &rd_len))) { 1016 /* empty */ 1017 } 1018 #endif 1019 else { 1020 /* 1021 * no initrd image 1022 */ 1023 bootstage_mark(BOOTSTAGE_ID_NO_RAMDISK); 1024 rd_len = rd_data = 0; 1025 } 1026 1027 if (!rd_data) { 1028 debug("## No init Ramdisk\n"); 1029 } else { 1030 *rd_start = rd_data; 1031 *rd_end = rd_data + rd_len; 1032 } 1033 debug(" ramdisk start = 0x%08lx, ramdisk end = 0x%08lx\n", 1034 *rd_start, *rd_end); 1035 1036 return 0; 1037 } 1038 1039 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH 1040 /** 1041 * boot_ramdisk_high - relocate init ramdisk 1042 * @lmb: pointer to lmb handle, will be used for memory mgmt 1043 * @rd_data: ramdisk data start address 1044 * @rd_len: ramdisk data length 1045 * @initrd_start: pointer to a ulong variable, will hold final init ramdisk 1046 * start address (after possible relocation) 1047 * @initrd_end: pointer to a ulong variable, will hold final init ramdisk 1048 * end address (after possible relocation) 1049 * 1050 * boot_ramdisk_high() takes a relocation hint from "initrd_high" environment 1051 * variable and if requested ramdisk data is moved to a specified location. 1052 * 1053 * Initrd_start and initrd_end are set to final (after relocation) ramdisk 1054 * start/end addresses if ramdisk image start and len were provided, 1055 * otherwise set initrd_start and initrd_end set to zeros. 1056 * 1057 * returns: 1058 * 0 - success 1059 * -1 - failure 1060 */ 1061 int boot_ramdisk_high(struct lmb *lmb, ulong rd_data, ulong rd_len, 1062 ulong *initrd_start, ulong *initrd_end) 1063 { 1064 char *s; 1065 ulong initrd_high; 1066 int initrd_copy_to_ram = 1; 1067 1068 if ((s = getenv("initrd_high")) != NULL) { 1069 /* a value of "no" or a similar string will act like 0, 1070 * turning the "load high" feature off. This is intentional. 1071 */ 1072 initrd_high = simple_strtoul(s, NULL, 16); 1073 if (initrd_high == ~0) 1074 initrd_copy_to_ram = 0; 1075 } else { 1076 /* not set, no restrictions to load high */ 1077 initrd_high = ~0; 1078 } 1079 1080 1081 #ifdef CONFIG_LOGBUFFER 1082 /* Prevent initrd from overwriting logbuffer */ 1083 lmb_reserve(lmb, logbuffer_base() - LOGBUFF_OVERHEAD, LOGBUFF_RESERVE); 1084 #endif 1085 1086 debug("## initrd_high = 0x%08lx, copy_to_ram = %d\n", 1087 initrd_high, initrd_copy_to_ram); 1088 1089 if (rd_data) { 1090 if (!initrd_copy_to_ram) { /* zero-copy ramdisk support */ 1091 debug(" in-place initrd\n"); 1092 *initrd_start = rd_data; 1093 *initrd_end = rd_data + rd_len; 1094 lmb_reserve(lmb, rd_data, rd_len); 1095 } else { 1096 if (initrd_high) 1097 *initrd_start = (ulong)lmb_alloc_base(lmb, 1098 rd_len, 0x1000, initrd_high); 1099 else 1100 *initrd_start = (ulong)lmb_alloc(lmb, rd_len, 1101 0x1000); 1102 1103 if (*initrd_start == 0) { 1104 puts("ramdisk - allocation error\n"); 1105 goto error; 1106 } 1107 bootstage_mark(BOOTSTAGE_ID_COPY_RAMDISK); 1108 1109 *initrd_end = *initrd_start + rd_len; 1110 printf(" Loading Ramdisk to %08lx, end %08lx ... ", 1111 *initrd_start, *initrd_end); 1112 1113 memmove_wd((void *)*initrd_start, 1114 (void *)rd_data, rd_len, CHUNKSZ); 1115 1116 #ifdef CONFIG_MP 1117 /* 1118 * Ensure the image is flushed to memory to handle 1119 * AMP boot scenarios in which we might not be 1120 * HW cache coherent 1121 */ 1122 flush_cache((unsigned long)*initrd_start, rd_len); 1123 #endif 1124 puts("OK\n"); 1125 } 1126 } else { 1127 *initrd_start = 0; 1128 *initrd_end = 0; 1129 } 1130 debug(" ramdisk load start = 0x%08lx, ramdisk load end = 0x%08lx\n", 1131 *initrd_start, *initrd_end); 1132 1133 return 0; 1134 1135 error: 1136 return -1; 1137 } 1138 #endif /* CONFIG_SYS_BOOT_RAMDISK_HIGH */ 1139 1140 int boot_get_setup(bootm_headers_t *images, uint8_t arch, 1141 ulong *setup_start, ulong *setup_len) 1142 { 1143 #if defined(CONFIG_FIT) 1144 return boot_get_setup_fit(images, arch, setup_start, setup_len); 1145 #else 1146 return -ENOENT; 1147 #endif 1148 } 1149 1150 #ifdef CONFIG_SYS_BOOT_GET_CMDLINE 1151 /** 1152 * boot_get_cmdline - allocate and initialize kernel cmdline 1153 * @lmb: pointer to lmb handle, will be used for memory mgmt 1154 * @cmd_start: pointer to a ulong variable, will hold cmdline start 1155 * @cmd_end: pointer to a ulong variable, will hold cmdline end 1156 * 1157 * boot_get_cmdline() allocates space for kernel command line below 1158 * BOOTMAPSZ + getenv_bootm_low() address. If "bootargs" U-boot environemnt 1159 * variable is present its contents is copied to allocated kernel 1160 * command line. 1161 * 1162 * returns: 1163 * 0 - success 1164 * -1 - failure 1165 */ 1166 int boot_get_cmdline(struct lmb *lmb, ulong *cmd_start, ulong *cmd_end) 1167 { 1168 char *cmdline; 1169 char *s; 1170 1171 cmdline = (char *)(ulong)lmb_alloc_base(lmb, CONFIG_SYS_BARGSIZE, 0xf, 1172 getenv_bootm_mapsize() + getenv_bootm_low()); 1173 1174 if (cmdline == NULL) 1175 return -1; 1176 1177 if ((s = getenv("bootargs")) == NULL) 1178 s = ""; 1179 1180 strcpy(cmdline, s); 1181 1182 *cmd_start = (ulong) & cmdline[0]; 1183 *cmd_end = *cmd_start + strlen(cmdline); 1184 1185 debug("## cmdline at 0x%08lx ... 0x%08lx\n", *cmd_start, *cmd_end); 1186 1187 return 0; 1188 } 1189 #endif /* CONFIG_SYS_BOOT_GET_CMDLINE */ 1190 1191 #ifdef CONFIG_SYS_BOOT_GET_KBD 1192 /** 1193 * boot_get_kbd - allocate and initialize kernel copy of board info 1194 * @lmb: pointer to lmb handle, will be used for memory mgmt 1195 * @kbd: double pointer to board info data 1196 * 1197 * boot_get_kbd() allocates space for kernel copy of board info data below 1198 * BOOTMAPSZ + getenv_bootm_low() address and kernel board info is initialized 1199 * with the current u-boot board info data. 1200 * 1201 * returns: 1202 * 0 - success 1203 * -1 - failure 1204 */ 1205 int boot_get_kbd(struct lmb *lmb, bd_t **kbd) 1206 { 1207 *kbd = (bd_t *)(ulong)lmb_alloc_base(lmb, sizeof(bd_t), 0xf, 1208 getenv_bootm_mapsize() + getenv_bootm_low()); 1209 if (*kbd == NULL) 1210 return -1; 1211 1212 **kbd = *(gd->bd); 1213 1214 debug("## kernel board info at 0x%08lx\n", (ulong)*kbd); 1215 1216 #if defined(DEBUG) && defined(CONFIG_CMD_BDI) 1217 do_bdinfo(NULL, 0, 0, NULL); 1218 #endif 1219 1220 return 0; 1221 } 1222 #endif /* CONFIG_SYS_BOOT_GET_KBD */ 1223 1224 #ifdef CONFIG_LMB 1225 int image_setup_linux(bootm_headers_t *images) 1226 { 1227 ulong of_size = images->ft_len; 1228 char **of_flat_tree = &images->ft_addr; 1229 ulong *initrd_start = &images->initrd_start; 1230 ulong *initrd_end = &images->initrd_end; 1231 struct lmb *lmb = &images->lmb; 1232 ulong rd_len; 1233 int ret; 1234 1235 if (IMAGE_ENABLE_OF_LIBFDT) 1236 boot_fdt_add_mem_rsv_regions(lmb, *of_flat_tree); 1237 1238 if (IMAGE_BOOT_GET_CMDLINE) { 1239 ret = boot_get_cmdline(lmb, &images->cmdline_start, 1240 &images->cmdline_end); 1241 if (ret) { 1242 puts("ERROR with allocation of cmdline\n"); 1243 return ret; 1244 } 1245 } 1246 if (IMAGE_ENABLE_RAMDISK_HIGH) { 1247 rd_len = images->rd_end - images->rd_start; 1248 ret = boot_ramdisk_high(lmb, images->rd_start, rd_len, 1249 initrd_start, initrd_end); 1250 if (ret) 1251 return ret; 1252 } 1253 1254 if (IMAGE_ENABLE_OF_LIBFDT) { 1255 ret = boot_relocate_fdt(lmb, of_flat_tree, &of_size); 1256 if (ret) 1257 return ret; 1258 } 1259 1260 if (IMAGE_ENABLE_OF_LIBFDT && of_size) { 1261 ret = image_setup_libfdt(images, *of_flat_tree, of_size, lmb); 1262 if (ret) 1263 return ret; 1264 } 1265 1266 return 0; 1267 } 1268 #endif /* CONFIG_LMB */ 1269 #endif /* !USE_HOSTCC */ 1270