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