common/cmd_bootm.c

   1 /*
   2  * (C) Copyright 2000-2009
   3  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
   4  *
   5  * See file CREDITS for list of people who contributed to this
   6  * project.
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  21  * MA 02111-1307 USA
  22  */
  23
  24
  25 /*
  26  * Boot support
  27  */
  28 #include <common.h>
  29 #include <watchdog.h>
  30 #include <command.h>
  31 #include <image.h>
  32 #include <malloc.h>
  33 #include <u-boot/zlib.h>
  34 #include <bzlib.h>
  35 #include <environment.h>
  36 #include <lmb.h>
  37 #include <linux/ctype.h>
  38 #include <asm/byteorder.h>
  39 #include <linux/compiler.h>
  40
  41 #if defined(CONFIG_CMD_USB)
  42 #include <usb.h>
  43 #endif
  44
  45 #ifdef CONFIG_SYS_HUSH_PARSER
  46 #include <hush.h>
  47 #endif
  48
  49 #if defined(CONFIG_OF_LIBFDT)
  50 #include <fdt.h>
  51 #include <libfdt.h>
  52 #include <fdt_support.h>
  53 #endif
  54
  55 #ifdef CONFIG_LZMA
  56 #include <lzma/LzmaTypes.h>
  57 #include <lzma/LzmaDec.h>
  58 #include <lzma/LzmaTools.h>
  59 #endif /* CONFIG_LZMA */
  60
  61 #ifdef CONFIG_LZO
  62 #include <linux/lzo.h>
  63 #endif /* CONFIG_LZO */
  64
  65 DECLARE_GLOBAL_DATA_PTR;
  66
  67 #ifndef CONFIG_SYS_BOOTM_LEN
  68 #define CONFIG_SYS_BOOTM_LEN    0x800000        /* use 8MByte as default max gunzip size */
  69 #endif
  70
  71 #ifdef CONFIG_BZIP2
  72 extern void bz_internal_error(int);
  73 #endif
  74
  75 #if defined(CONFIG_CMD_IMI)
  76 static int image_info(unsigned long addr);
  77 #endif
  78
  79 #if defined(CONFIG_CMD_IMLS)
  80 #include <flash.h>
  81 #include <mtd/cfi_flash.h>
  82 extern flash_info_t flash_info[]; /* info for FLASH chips */
  83 static int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
  84 #endif
  85
  86 #ifdef CONFIG_SILENT_CONSOLE
  87 static void fixup_silent_linux(void);
  88 #endif
  89
  90 static image_header_t *image_get_kernel(ulong img_addr, int verify);
  91 #if defined(CONFIG_FIT)
  92 static int fit_check_kernel(const void *fit, int os_noffset, int verify);
  93 #endif
  94
  95 static void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
  96                                 char * const argv[], bootm_headers_t *images,
  97                                 ulong *os_data, ulong *os_len);
  98
  99 /*
 100  *  Continue booting an OS image; caller already has:
 101  *  - copied image header to global variable `header'
 102  *  - checked header magic number, checksums (both header & image),
 103  *  - verified image architecture (PPC) and type (KERNEL or MULTI),
 104  *  - loaded (first part of) image to header load address,
 105  *  - disabled interrupts.
 106  */
 107 typedef int boot_os_fn(int flag, int argc, char * const argv[],
 108                         bootm_headers_t *images); /* pointers to os/initrd/fdt */
 109
 110 #ifdef CONFIG_BOOTM_LINUX
 111 extern boot_os_fn do_bootm_linux;
 112 #endif
 113 #ifdef CONFIG_BOOTM_NETBSD
 114 static boot_os_fn do_bootm_netbsd;
 115 #endif
 116 #if defined(CONFIG_LYNXKDI)
 117 static boot_os_fn do_bootm_lynxkdi;
 118 extern void lynxkdi_boot(image_header_t *);
 119 #endif
 120 #ifdef CONFIG_BOOTM_RTEMS
 121 static boot_os_fn do_bootm_rtems;
 122 #endif
 123 #if defined(CONFIG_BOOTM_OSE)
 124 static boot_os_fn do_bootm_ose;
 125 #endif
 126 #if defined(CONFIG_CMD_ELF)
 127 static boot_os_fn do_bootm_vxworks;
 128 static boot_os_fn do_bootm_qnxelf;
 129 int do_bootvx(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 130 int do_bootelf(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 131 #endif
 132 #if defined(CONFIG_INTEGRITY)
 133 static boot_os_fn do_bootm_integrity;
 134 #endif
 135
 136 static boot_os_fn *boot_os[] = {
 137 #ifdef CONFIG_BOOTM_LINUX
 138         [IH_OS_LINUX] = do_bootm_linux,
 139 #endif
 140 #ifdef CONFIG_BOOTM_NETBSD
 141         [IH_OS_NETBSD] = do_bootm_netbsd,
 142 #endif
 143 #ifdef CONFIG_LYNXKDI
 144         [IH_OS_LYNXOS] = do_bootm_lynxkdi,
 145 #endif
 146 #ifdef CONFIG_BOOTM_RTEMS
 147         [IH_OS_RTEMS] = do_bootm_rtems,
 148 #endif
 149 #if defined(CONFIG_BOOTM_OSE)
 150         [IH_OS_OSE] = do_bootm_ose,
 151 #endif
 152 #if defined(CONFIG_CMD_ELF)
 153         [IH_OS_VXWORKS] = do_bootm_vxworks,
 154         [IH_OS_QNX] = do_bootm_qnxelf,
 155 #endif
 156 #ifdef CONFIG_INTEGRITY
 157         [IH_OS_INTEGRITY] = do_bootm_integrity,
 158 #endif
 159 };
 160
 161 bootm_headers_t images;         /* pointers to os/initrd/fdt images */
 162
 163 /* Allow for arch specific config before we boot */
 164 void __arch_preboot_os(void)
 165 {
 166         /* please define platform specific arch_preboot_os() */
 167 }
 168 void arch_preboot_os(void) __attribute__((weak, alias("__arch_preboot_os")));
 169
 170 #define IH_INITRD_ARCH IH_ARCH_DEFAULT
 171
 172 static void bootm_start_lmb(void)
 173 {
 174 #ifdef CONFIG_LMB
 175         ulong           mem_start;
 176         phys_size_t     mem_size;
 177
 178         lmb_init(&images.lmb);
 179
 180         mem_start = getenv_bootm_low();
 181         mem_size = getenv_bootm_size();
 182
 183         lmb_add(&images.lmb, (phys_addr_t)mem_start, mem_size);
 184
 185         arch_lmb_reserve(&images.lmb);
 186         board_lmb_reserve(&images.lmb);
 187 #else
 188 # define lmb_reserve(lmb, base, size)
 189 #endif
 190 }
 191
 192 static int bootm_start(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 193 {
 194         void            *os_hdr;
 195         int             ret;
 196
 197         memset((void *)&images, 0, sizeof(images));
 198         images.verify = getenv_yesno("verify");
 199
 200         bootm_start_lmb();
 201
 202         /* get kernel image header, start address and length */
 203         os_hdr = boot_get_kernel(cmdtp, flag, argc, argv,
 204                         &images, &images.os.image_start, &images.os.image_len);
 205         if (images.os.image_len == 0) {
 206                 puts("ERROR: can't get kernel image!\n");
 207                 return 1;
 208         }
 209
 210         /* get image parameters */
 211         switch (genimg_get_format(os_hdr)) {
 212         case IMAGE_FORMAT_LEGACY:
 213                 images.os.type = image_get_type(os_hdr);
 214                 images.os.comp = image_get_comp(os_hdr);
 215                 images.os.os = image_get_os(os_hdr);
 216
 217                 images.os.end = image_get_image_end(os_hdr);
 218                 images.os.load = image_get_load(os_hdr);
 219                 break;
 220 #if defined(CONFIG_FIT)
 221         case IMAGE_FORMAT_FIT:
 222                 if (fit_image_get_type(images.fit_hdr_os,
 223                                         images.fit_noffset_os, &images.os.type)) {
 224                         puts("Can't get image type!\n");
 225                         show_boot_progress(-109);
 226                         return 1;
 227                 }
 228
 229                 if (fit_image_get_comp(images.fit_hdr_os,
 230                                         images.fit_noffset_os, &images.os.comp)) {
 231                         puts("Can't get image compression!\n");
 232                         show_boot_progress(-110);
 233                         return 1;
 234                 }
 235
 236                 if (fit_image_get_os(images.fit_hdr_os,
 237                                         images.fit_noffset_os, &images.os.os)) {
 238                         puts("Can't get image OS!\n");
 239                         show_boot_progress(-111);
 240                         return 1;
 241                 }
 242
 243                 images.os.end = fit_get_end(images.fit_hdr_os);
 244
 245                 if (fit_image_get_load(images.fit_hdr_os, images.fit_noffset_os,
 246                                         &images.os.load)) {
 247                         puts("Can't get image load address!\n");
 248                         show_boot_progress(-112);
 249                         return 1;
 250                 }
 251                 break;
 252 #endif
 253         default:
 254                 puts("ERROR: unknown image format type!\n");
 255                 return 1;
 256         }
 257
 258         /* find kernel entry point */
 259         if (images.legacy_hdr_valid) {
 260                 images.ep = image_get_ep(&images.legacy_hdr_os_copy);
 261 #if defined(CONFIG_FIT)
 262         } else if (images.fit_uname_os) {
 263                 ret = fit_image_get_entry(images.fit_hdr_os,
 264                                 images.fit_noffset_os, &images.ep);
 265                 if (ret) {
 266                         puts("Can't get entry point property!\n");
 267                         return 1;
 268                 }
 269 #endif
 270         } else {
 271                 puts("Could not find kernel entry point!\n");
 272                 return 1;
 273         }
 274
 275         if (images.os.type == IH_TYPE_KERNEL_NOLOAD) {
 276                 images.os.load = images.os.image_start;
 277                 images.ep += images.os.load;
 278         }
 279
 280         if (((images.os.type == IH_TYPE_KERNEL) ||
 281              (images.os.type == IH_TYPE_KERNEL_NOLOAD) ||
 282              (images.os.type == IH_TYPE_MULTI)) &&
 283             (images.os.os == IH_OS_LINUX)) {
 284                 /* find ramdisk */
 285                 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
 286                                 &images.rd_start, &images.rd_end);
 287                 if (ret) {
 288                         puts("Ramdisk image is corrupt or invalid\n");
 289                         return 1;
 290                 }
 291
 292 #if defined(CONFIG_OF_LIBFDT)
 293                 /* find flattened device tree */
 294                 ret = boot_get_fdt(flag, argc, argv, &images,
 295                                    &images.ft_addr, &images.ft_len);
 296                 if (ret) {
 297                         puts("Could not find a valid device tree\n");
 298                         return 1;
 299                 }
 300
 301                 set_working_fdt_addr(images.ft_addr);
 302 #endif
 303         }
 304
 305         images.os.start = (ulong)os_hdr;
 306         images.state = BOOTM_STATE_START;
 307
 308         return 0;
 309 }
 310
 311 #define BOOTM_ERR_RESET         -1
 312 #define BOOTM_ERR_OVERLAP       -2
 313 #define BOOTM_ERR_UNIMPLEMENTED -3
 314 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
 315 {
 316         uint8_t comp = os.comp;
 317         ulong load = os.load;
 318         ulong blob_start = os.start;
 319         ulong blob_end = os.end;
 320         ulong image_start = os.image_start;
 321         ulong image_len = os.image_len;
 322         __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
 323 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
 324         int ret;
 325 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
 326
 327         const char *type_name = genimg_get_type_name(os.type);
 328
 329         switch (comp) {
 330         case IH_COMP_NONE:
 331                 if (load == blob_start || load == image_start) {
 332                         printf("   XIP %s ... ", type_name);
 333                 } else {
 334                         printf("   Loading %s ... ", type_name);
 335                         memmove_wd((void *)load, (void *)image_start,
 336                                         image_len, CHUNKSZ);
 337                 }
 338                 *load_end = load + image_len;
 339                 puts("OK\n");
 340                 break;
 341 #ifdef CONFIG_GZIP
 342         case IH_COMP_GZIP:
 343                 printf("   Uncompressing %s ... ", type_name);
 344                 if (gunzip((void *)load, unc_len,
 345                                 (uchar *)image_start, &image_len) != 0) {
 346                         puts("GUNZIP: uncompress, out-of-mem or overwrite "
 347                                 "error - must RESET board to recover\n");
 348                         if (boot_progress)
 349                                 show_boot_progress(-6);
 350                         return BOOTM_ERR_RESET;
 351                 }
 352
 353                 *load_end = load + image_len;
 354                 break;
 355 #endif /* CONFIG_GZIP */
 356 #ifdef CONFIG_BZIP2
 357         case IH_COMP_BZIP2:
 358                 printf("   Uncompressing %s ... ", type_name);
 359                 /*
 360                  * If we've got less than 4 MB of malloc() space,
 361                  * use slower decompression algorithm which requires
 362                  * at most 2300 KB of memory.
 363                  */
 364                 int i = BZ2_bzBuffToBuffDecompress((char *)load,
 365                                         &unc_len, (char *)image_start, image_len,
 366                                         CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
 367                 if (i != BZ_OK) {
 368                         printf("BUNZIP2: uncompress or overwrite error %d "
 369                                 "- must RESET board to recover\n", i);
 370                         if (boot_progress)
 371                                 show_boot_progress(-6);
 372                         return BOOTM_ERR_RESET;
 373                 }
 374
 375                 *load_end = load + unc_len;
 376                 break;
 377 #endif /* CONFIG_BZIP2 */
 378 #ifdef CONFIG_LZMA
 379         case IH_COMP_LZMA: {
 380                 SizeT lzma_len = unc_len;
 381                 printf("   Uncompressing %s ... ", type_name);
 382
 383                 ret = lzmaBuffToBuffDecompress(
 384                         (unsigned char *)load, &lzma_len,
 385                         (unsigned char *)image_start, image_len);
 386                 unc_len = lzma_len;
 387                 if (ret != SZ_OK) {
 388                         printf("LZMA: uncompress or overwrite error %d "
 389                                 "- must RESET board to recover\n", ret);
 390                         show_boot_progress(-6);
 391                         return BOOTM_ERR_RESET;
 392                 }
 393                 *load_end = load + unc_len;
 394                 break;
 395         }
 396 #endif /* CONFIG_LZMA */
 397 #ifdef CONFIG_LZO
 398         case IH_COMP_LZO:
 399                 printf("   Uncompressing %s ... ", type_name);
 400
 401                 ret = lzop_decompress((const unsigned char *)image_start,
 402                                           image_len, (unsigned char *)load,
 403                                           &unc_len);
 404                 if (ret != LZO_E_OK) {
 405                         printf("LZO: uncompress or overwrite error %d "
 406                               "- must RESET board to recover\n", ret);
 407                         if (boot_progress)
 408                                 show_boot_progress(-6);
 409                         return BOOTM_ERR_RESET;
 410                 }
 411
 412                 *load_end = load + unc_len;
 413                 break;
 414 #endif /* CONFIG_LZO */
 415         default:
 416                 printf("Unimplemented compression type %d\n", comp);
 417                 return BOOTM_ERR_UNIMPLEMENTED;
 418         }
 419
 420         flush_cache(load, (*load_end - load) * sizeof(ulong));
 421
 422         puts("OK\n");
 423         debug("   kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
 424         if (boot_progress)
 425                 show_boot_progress(7);
 426
 427         if ((load < blob_end) && (*load_end > blob_start)) {
 428                 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
 429                         blob_start, blob_end);
 430                 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
 431                         *load_end);
 432
 433                 return BOOTM_ERR_OVERLAP;
 434         }
 435
 436         return 0;
 437 }
 438
 439 static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
 440 {
 441         char  *s;
 442         int   (*appl)(int, char * const []);
 443
 444         /* Don't start if "autostart" is set to "no" */
 445         if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
 446                 char buf[32];
 447                 sprintf(buf, "%lX", images.os.image_len);
 448                 setenv("filesize", buf);
 449                 return 0;
 450         }
 451         appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
 452         (*appl)(argc-1, &argv[1]);
 453         return 0;
 454 }
 455
 456 /* we overload the cmd field with our state machine info instead of a
 457  * function pointer */
 458 static cmd_tbl_t cmd_bootm_sub[] = {
 459         U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
 460         U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
 461 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
 462         U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
 463 #endif
 464 #ifdef CONFIG_OF_LIBFDT
 465         U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
 466 #endif
 467         U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
 468         U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
 469         U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
 470         U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
 471 };
 472
 473 int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
 474                         char * const argv[])
 475 {
 476         int ret = 0;
 477         long state;
 478         cmd_tbl_t *c;
 479         boot_os_fn *boot_fn;
 480
 481         c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
 482
 483         if (c) {
 484                 state = (long)c->cmd;
 485
 486                 /* treat start special since it resets the state machine */
 487                 if (state == BOOTM_STATE_START) {
 488                         argc--;
 489                         argv++;
 490                         return bootm_start(cmdtp, flag, argc, argv);
 491                 }
 492         } else {
 493                 /* Unrecognized command */
 494                 return cmd_usage(cmdtp);
 495         }
 496
 497         if (images.state >= state) {
 498                 printf("Trying to execute a command out of order\n");
 499                 return cmd_usage(cmdtp);
 500         }
 501
 502         images.state |= state;
 503         boot_fn = boot_os[images.os.os];
 504
 505         switch (state) {
 506                 ulong load_end;
 507                 case BOOTM_STATE_START:
 508                         /* should never occur */
 509                         break;
 510                 case BOOTM_STATE_LOADOS:
 511                         ret = bootm_load_os(images.os, &load_end, 0);
 512                         if (ret)
 513                                 return ret;
 514
 515                         lmb_reserve(&images.lmb, images.os.load,
 516                                         (load_end - images.os.load));
 517                         break;
 518 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
 519                 case BOOTM_STATE_RAMDISK:
 520                 {
 521                         ulong rd_len = images.rd_end - images.rd_start;
 522                         char str[17];
 523
 524                         ret = boot_ramdisk_high(&images.lmb, images.rd_start,
 525                                 rd_len, &images.initrd_start, &images.initrd_end);
 526                         if (ret)
 527                                 return ret;
 528
 529                         sprintf(str, "%lx", images.initrd_start);
 530                         setenv("initrd_start", str);
 531                         sprintf(str, "%lx", images.initrd_end);
 532                         setenv("initrd_end", str);
 533                 }
 534                         break;
 535 #endif
 536 #if defined(CONFIG_OF_LIBFDT)
 537                 case BOOTM_STATE_FDT:
 538                 {
 539                         boot_fdt_add_mem_rsv_regions(&images.lmb,
 540                                                      images.ft_addr);
 541                         ret = boot_relocate_fdt(&images.lmb,
 542                                 &images.ft_addr, &images.ft_len);
 543                         break;
 544                 }
 545 #endif
 546                 case BOOTM_STATE_OS_CMDLINE:
 547                         ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
 548                         if (ret)
 549                                 printf("cmdline subcommand not supported\n");
 550                         break;
 551                 case BOOTM_STATE_OS_BD_T:
 552                         ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
 553                         if (ret)
 554                                 printf("bdt subcommand not supported\n");
 555                         break;
 556                 case BOOTM_STATE_OS_PREP:
 557                         ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
 558                         if (ret)
 559                                 printf("prep subcommand not supported\n");
 560                         break;
 561                 case BOOTM_STATE_OS_GO:
 562                         disable_interrupts();
 563                         arch_preboot_os();
 564                         boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
 565                         break;
 566         }
 567
 568         return ret;
 569 }
 570
 571 /*******************************************************************/
 572 /* bootm - boot application image from image in memory */
 573 /*******************************************************************/
 574
 575 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 576 {
 577         ulong           iflag;
 578         ulong           load_end = 0;
 579         int             ret;
 580         boot_os_fn      *boot_fn;
 581 #ifdef CONFIG_NEEDS_MANUAL_RELOC
 582         static int relocated = 0;
 583
 584         /* relocate boot function table */
 585         if (!relocated) {
 586                 int i;
 587                 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
 588                         if (boot_os[i] != NULL)
 589                                 boot_os[i] += gd->reloc_off;
 590                 relocated = 1;
 591         }
 592 #endif
 593
 594         /* determine if we have a sub command */
 595         if (argc > 1) {
 596                 char *endp;
 597
 598                 simple_strtoul(argv[1], &endp, 16);
 599                 /* endp pointing to NULL means that argv[1] was just a
 600                  * valid number, pass it along to the normal bootm processing
 601                  *
 602                  * If endp is ':' or '#' assume a FIT identifier so pass
 603                  * along for normal processing.
 604                  *
 605                  * Right now we assume the first arg should never be '-'
 606                  */
 607                 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
 608                         return do_bootm_subcommand(cmdtp, flag, argc, argv);
 609         }
 610
 611         if (bootm_start(cmdtp, flag, argc, argv))
 612                 return 1;
 613
 614         /*
 615          * We have reached the point of no return: we are going to
 616          * overwrite all exception vector code, so we cannot easily
 617          * recover from any failures any more...
 618          */
 619         iflag = disable_interrupts();
 620
 621 #if defined(CONFIG_CMD_USB)
 622         /*
 623          * turn off USB to prevent the host controller from writing to the
 624          * SDRAM while Linux is booting. This could happen (at least for OHCI
 625          * controller), because the HCCA (Host Controller Communication Area)
 626          * lies within the SDRAM and the host controller writes continously to
 627          * this area (as busmaster!). The HccaFrameNumber is for example
 628          * updated every 1 ms within the HCCA structure in SDRAM! For more
 629          * details see the OpenHCI specification.
 630          */
 631         usb_stop();
 632 #endif
 633
 634         ret = bootm_load_os(images.os, &load_end, 1);
 635
 636         if (ret < 0) {
 637                 if (ret == BOOTM_ERR_RESET)
 638                         do_reset(cmdtp, flag, argc, argv);
 639                 if (ret == BOOTM_ERR_OVERLAP) {
 640                         if (images.legacy_hdr_valid) {
 641                                 image_header_t *hdr;
 642                                 hdr = &images.legacy_hdr_os_copy;
 643                                 if (image_get_type(hdr) == IH_TYPE_MULTI)
 644                                         puts("WARNING: legacy format multi "
 645                                                 "component image "
 646                                                 "overwritten\n");
 647                         } else {
 648                                 puts("ERROR: new format image overwritten - "
 649                                         "must RESET the board to recover\n");
 650                                 show_boot_progress(-113);
 651                                 do_reset(cmdtp, flag, argc, argv);
 652                         }
 653                 }
 654                 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
 655                         if (iflag)
 656                                 enable_interrupts();
 657                         show_boot_progress(-7);
 658                         return 1;
 659                 }
 660         }
 661
 662         lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
 663
 664         if (images.os.type == IH_TYPE_STANDALONE) {
 665                 if (iflag)
 666                         enable_interrupts();
 667                 /* This may return when 'autostart' is 'no' */
 668                 bootm_start_standalone(iflag, argc, argv);
 669                 return 0;
 670         }
 671
 672         show_boot_progress(8);
 673
 674 #ifdef CONFIG_SILENT_CONSOLE
 675         if (images.os.os == IH_OS_LINUX)
 676                 fixup_silent_linux();
 677 #endif
 678
 679         boot_fn = boot_os[images.os.os];
 680
 681         if (boot_fn == NULL) {
 682                 if (iflag)
 683                         enable_interrupts();
 684                 printf("ERROR: booting os '%s' (%d) is not supported\n",
 685                         genimg_get_os_name(images.os.os), images.os.os);
 686                 show_boot_progress(-8);
 687                 return 1;
 688         }
 689
 690         arch_preboot_os();
 691
 692         boot_fn(0, argc, argv, &images);
 693
 694         show_boot_progress(-9);
 695 #ifdef DEBUG
 696         puts("\n## Control returned to monitor - resetting...\n");
 697 #endif
 698         do_reset(cmdtp, flag, argc, argv);
 699
 700         return 1;
 701 }
 702
 703 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
 704 {
 705         const char *ep = getenv("autostart");
 706
 707         if (ep && !strcmp(ep, "yes")) {
 708                 char *local_args[2];
 709                 local_args[0] = (char *)cmd;
 710                 local_args[1] = NULL;
 711                 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
 712                 return do_bootm(cmdtp, 0, 1, local_args);
 713         }
 714
 715         return 0;
 716 }
 717
 718 /**
 719  * image_get_kernel - verify legacy format kernel image
 720  * @img_addr: in RAM address of the legacy format image to be verified
 721  * @verify: data CRC verification flag
 722  *
 723  * image_get_kernel() verifies legacy image integrity and returns pointer to
 724  * legacy image header if image verification was completed successfully.
 725  *
 726  * returns:
 727  *     pointer to a legacy image header if valid image was found
 728  *     otherwise return NULL
 729  */
 730 static image_header_t *image_get_kernel(ulong img_addr, int verify)
 731 {
 732         image_header_t *hdr = (image_header_t *)img_addr;
 733
 734         if (!image_check_magic(hdr)) {
 735                 puts("Bad Magic Number\n");
 736                 show_boot_progress(-1);
 737                 return NULL;
 738         }
 739         show_boot_progress(2);
 740
 741         if (!image_check_hcrc(hdr)) {
 742                 puts("Bad Header Checksum\n");
 743                 show_boot_progress(-2);
 744                 return NULL;
 745         }
 746
 747         show_boot_progress(3);
 748         image_print_contents(hdr);
 749
 750         if (verify) {
 751                 puts("   Verifying Checksum ... ");
 752                 if (!image_check_dcrc(hdr)) {
 753                         printf("Bad Data CRC\n");
 754                         show_boot_progress(-3);
 755                         return NULL;
 756                 }
 757                 puts("OK\n");
 758         }
 759         show_boot_progress(4);
 760
 761         if (!image_check_target_arch(hdr)) {
 762                 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
 763                 show_boot_progress(-4);
 764                 return NULL;
 765         }
 766         return hdr;
 767 }
 768
 769 /**
 770  * fit_check_kernel - verify FIT format kernel subimage
 771  * @fit_hdr: pointer to the FIT image header
 772  * os_noffset: kernel subimage node offset within FIT image
 773  * @verify: data CRC verification flag
 774  *
 775  * fit_check_kernel() verifies integrity of the kernel subimage and from
 776  * specified FIT image.
 777  *
 778  * returns:
 779  *     1, on success
 780  *     0, on failure
 781  */
 782 #if defined(CONFIG_FIT)
 783 static int fit_check_kernel(const void *fit, int os_noffset, int verify)
 784 {
 785         fit_image_print(fit, os_noffset, "   ");
 786
 787         if (verify) {
 788                 puts("   Verifying Hash Integrity ... ");
 789                 if (!fit_image_check_hashes(fit, os_noffset)) {
 790                         puts("Bad Data Hash\n");
 791                         show_boot_progress(-104);
 792                         return 0;
 793                 }
 794                 puts("OK\n");
 795         }
 796         show_boot_progress(105);
 797
 798         if (!fit_image_check_target_arch(fit, os_noffset)) {
 799                 puts("Unsupported Architecture\n");
 800                 show_boot_progress(-105);
 801                 return 0;
 802         }
 803
 804         show_boot_progress(106);
 805         if (!fit_image_check_type(fit, os_noffset, IH_TYPE_KERNEL) &&
 806             !fit_image_check_type(fit, os_noffset, IH_TYPE_KERNEL_NOLOAD)) {
 807                 puts("Not a kernel image\n");
 808                 show_boot_progress(-106);
 809                 return 0;
 810         }
 811
 812         show_boot_progress(107);
 813         return 1;
 814 }
 815 #endif /* CONFIG_FIT */
 816
 817 /**
 818  * boot_get_kernel - find kernel image
 819  * @os_data: pointer to a ulong variable, will hold os data start address
 820  * @os_len: pointer to a ulong variable, will hold os data length
 821  *
 822  * boot_get_kernel() tries to find a kernel image, verifies its integrity
 823  * and locates kernel data.
 824  *
 825  * returns:
 826  *     pointer to image header if valid image was found, plus kernel start
 827  *     address and length, otherwise NULL
 828  */
 829 static void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
 830                 char * const argv[], bootm_headers_t *images, ulong *os_data,
 831                 ulong *os_len)
 832 {
 833         image_header_t  *hdr;
 834         ulong           img_addr;
 835 #if defined(CONFIG_FIT)
 836         void            *fit_hdr;
 837         const char      *fit_uname_config = NULL;
 838         const char      *fit_uname_kernel = NULL;
 839         const void      *data;
 840         size_t          len;
 841         int             cfg_noffset;
 842         int             os_noffset;
 843 #endif
 844
 845         /* find out kernel image address */
 846         if (argc < 2) {
 847                 img_addr = load_addr;
 848                 debug("*  kernel: default image load address = 0x%08lx\n",
 849                                 load_addr);
 850 #if defined(CONFIG_FIT)
 851         } else if (fit_parse_conf(argv[1], load_addr, &img_addr,
 852                                                         &fit_uname_config)) {
 853                 debug("*  kernel: config '%s' from image at 0x%08lx\n",
 854                                 fit_uname_config, img_addr);
 855         } else if (fit_parse_subimage(argv[1], load_addr, &img_addr,
 856                                                         &fit_uname_kernel)) {
 857                 debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
 858                                 fit_uname_kernel, img_addr);
 859 #endif
 860         } else {
 861                 img_addr = simple_strtoul(argv[1], NULL, 16);
 862                 debug("*  kernel: cmdline image address = 0x%08lx\n", img_addr);
 863         }
 864
 865         show_boot_progress(1);
 866
 867         /* copy from dataflash if needed */
 868         img_addr = genimg_get_image(img_addr);
 869
 870         /* check image type, for FIT images get FIT kernel node */
 871         *os_data = *os_len = 0;
 872         switch (genimg_get_format((void *)img_addr)) {
 873         case IMAGE_FORMAT_LEGACY:
 874                 printf("## Booting kernel from Legacy Image at %08lx ...\n",
 875                                 img_addr);
 876                 hdr = image_get_kernel(img_addr, images->verify);
 877                 if (!hdr)
 878                         return NULL;
 879                 show_boot_progress(5);
 880
 881                 /* get os_data and os_len */
 882                 switch (image_get_type(hdr)) {
 883                 case IH_TYPE_KERNEL:
 884                 case IH_TYPE_KERNEL_NOLOAD:
 885                         *os_data = image_get_data(hdr);
 886                         *os_len = image_get_data_size(hdr);
 887                         break;
 888                 case IH_TYPE_MULTI:
 889                         image_multi_getimg(hdr, 0, os_data, os_len);
 890                         break;
 891                 case IH_TYPE_STANDALONE:
 892                         *os_data = image_get_data(hdr);
 893                         *os_len = image_get_data_size(hdr);
 894                         break;
 895                 default:
 896                         printf("Wrong Image Type for %s command\n",
 897                                 cmdtp->name);
 898                         show_boot_progress(-5);
 899                         return NULL;
 900                 }
 901
 902                 /*
 903                  * copy image header to allow for image overwrites during
 904                  * kernel decompression.
 905                  */
 906                 memmove(&images->legacy_hdr_os_copy, hdr,
 907                         sizeof(image_header_t));
 908
 909                 /* save pointer to image header */
 910                 images->legacy_hdr_os = hdr;
 911
 912                 images->legacy_hdr_valid = 1;
 913                 show_boot_progress(6);
 914                 break;
 915 #if defined(CONFIG_FIT)
 916         case IMAGE_FORMAT_FIT:
 917                 fit_hdr = (void *)img_addr;
 918                 printf("## Booting kernel from FIT Image at %08lx ...\n",
 919                                 img_addr);
 920
 921                 if (!fit_check_format(fit_hdr)) {
 922                         puts("Bad FIT kernel image format!\n");
 923                         show_boot_progress(-100);
 924                         return NULL;
 925                 }
 926                 show_boot_progress(100);
 927
 928                 if (!fit_uname_kernel) {
 929                         /*
 930                          * no kernel image node unit name, try to get config
 931                          * node first. If config unit node name is NULL
 932                          * fit_conf_get_node() will try to find default config
 933                          * node
 934                          */
 935                         show_boot_progress(101);
 936                         cfg_noffset = fit_conf_get_node(fit_hdr,
 937                                                         fit_uname_config);
 938                         if (cfg_noffset < 0) {
 939                                 show_boot_progress(-101);
 940                                 return NULL;
 941                         }
 942                         /* save configuration uname provided in the first
 943                          * bootm argument
 944                          */
 945                         images->fit_uname_cfg = fdt_get_name(fit_hdr,
 946                                                                 cfg_noffset,
 947                                                                 NULL);
 948                         printf("   Using '%s' configuration\n",
 949                                 images->fit_uname_cfg);
 950                         show_boot_progress(103);
 951
 952                         os_noffset = fit_conf_get_kernel_node(fit_hdr,
 953                                                                 cfg_noffset);
 954                         fit_uname_kernel = fit_get_name(fit_hdr, os_noffset,
 955                                                         NULL);
 956                 } else {
 957                         /* get kernel component image node offset */
 958                         show_boot_progress(102);
 959                         os_noffset = fit_image_get_node(fit_hdr,
 960                                                         fit_uname_kernel);
 961                 }
 962                 if (os_noffset < 0) {
 963                         show_boot_progress(-103);
 964                         return NULL;
 965                 }
 966
 967                 printf("   Trying '%s' kernel subimage\n", fit_uname_kernel);
 968
 969                 show_boot_progress(104);
 970                 if (!fit_check_kernel(fit_hdr, os_noffset, images->verify))
 971                         return NULL;
 972
 973                 /* get kernel image data address and length */
 974                 if (fit_image_get_data(fit_hdr, os_noffset, &data, &len)) {
 975                         puts("Could not find kernel subimage data!\n");
 976                         show_boot_progress(-107);
 977                         return NULL;
 978                 }
 979                 show_boot_progress(108);
 980
 981                 *os_len = len;
 982                 *os_data = (ulong)data;
 983                 images->fit_hdr_os = fit_hdr;
 984                 images->fit_uname_os = fit_uname_kernel;
 985                 images->fit_noffset_os = os_noffset;
 986                 break;
 987 #endif
 988         default:
 989                 printf("Wrong Image Format for %s command\n", cmdtp->name);
 990                 show_boot_progress(-108);
 991                 return NULL;
 992         }
 993
 994         debug("   kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
 995                         *os_data, *os_len, *os_len);
 996
 997         return (void *)img_addr;
 998 }
 999
1000 U_BOOT_CMD(
1001         bootm,  CONFIG_SYS_MAXARGS,     1,      do_bootm,
1002         "boot application image from memory",
1003         "[addr [arg ...]]\n    - boot application image stored in memory\n"
1004         "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
1005         "\t'arg' can be the address of an initrd image\n"
1006 #if defined(CONFIG_OF_LIBFDT)
1007         "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1008         "\ta third argument is required which is the address of the\n"
1009         "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1010         "\tuse a '-' for the second argument. If you do not pass a third\n"
1011         "\ta bd_info struct will be passed instead\n"
1012 #endif
1013 #if defined(CONFIG_FIT)
1014         "\t\nFor the new multi component uImage format (FIT) addresses\n"
1015         "\tmust be extened to include component or configuration unit name:\n"
1016         "\taddr:<subimg_uname> - direct component image specification\n"
1017         "\taddr#<conf_uname>   - configuration specification\n"
1018         "\tUse iminfo command to get the list of existing component\n"
1019         "\timages and configurations.\n"
1020 #endif
1021         "\nSub-commands to do part of the bootm sequence.  The sub-commands "
1022         "must be\n"
1023         "issued in the order below (it's ok to not issue all sub-commands):\n"
1024         "\tstart [addr [arg ...]]\n"
1025         "\tloados  - load OS image\n"
1026 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
1027         "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1028 #endif
1029 #if defined(CONFIG_OF_LIBFDT)
1030         "\tfdt     - relocate flat device tree\n"
1031 #endif
1032         "\tcmdline - OS specific command line processing/setup\n"
1033         "\tbdt     - OS specific bd_t processing\n"
1034         "\tprep    - OS specific prep before relocation or go\n"
1035         "\tgo      - start OS"
1036 );
1037
1038 /*******************************************************************/
1039 /* bootd - boot default image */
1040 /*******************************************************************/
1041 #if defined(CONFIG_CMD_BOOTD)
1042 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1043 {
1044         int rcode = 0;
1045
1046 #ifndef CONFIG_SYS_HUSH_PARSER
1047         if (run_command(getenv("bootcmd"), flag) < 0)
1048                 rcode = 1;
1049 #else
1050         if (parse_string_outer(getenv("bootcmd"),
1051                         FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
1052                 rcode = 1;
1053 #endif
1054         return rcode;
1055 }
1056
1057 U_BOOT_CMD(
1058         boot,   1,      1,      do_bootd,
1059         "boot default, i.e., run 'bootcmd'",
1060         ""
1061 );
1062
1063 /* keep old command name "bootd" for backward compatibility */
1064 U_BOOT_CMD(
1065         bootd, 1,       1,      do_bootd,
1066         "boot default, i.e., run 'bootcmd'",
1067         ""
1068 );
1069
1070 #endif
1071
1072
1073 /*******************************************************************/
1074 /* iminfo - print header info for a requested image */
1075 /*******************************************************************/
1076 #if defined(CONFIG_CMD_IMI)
1077 int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1078 {
1079         int     arg;
1080         ulong   addr;
1081         int     rcode = 0;
1082
1083         if (argc < 2) {
1084                 return image_info(load_addr);
1085         }
1086
1087         for (arg = 1; arg < argc; ++arg) {
1088                 addr = simple_strtoul(argv[arg], NULL, 16);
1089                 if (image_info(addr) != 0)
1090                         rcode = 1;
1091         }
1092         return rcode;
1093 }
1094
1095 static int image_info(ulong addr)
1096 {
1097         void *hdr = (void *)addr;
1098
1099         printf("\n## Checking Image at %08lx ...\n", addr);
1100
1101         switch (genimg_get_format(hdr)) {
1102         case IMAGE_FORMAT_LEGACY:
1103                 puts("   Legacy image found\n");
1104                 if (!image_check_magic(hdr)) {
1105                         puts("   Bad Magic Number\n");
1106                         return 1;
1107                 }
1108
1109                 if (!image_check_hcrc(hdr)) {
1110                         puts("   Bad Header Checksum\n");
1111                         return 1;
1112                 }
1113
1114                 image_print_contents(hdr);
1115
1116                 puts("   Verifying Checksum ... ");
1117                 if (!image_check_dcrc(hdr)) {
1118                         puts("   Bad Data CRC\n");
1119                         return 1;
1120                 }
1121                 puts("OK\n");
1122                 return 0;
1123 #if defined(CONFIG_FIT)
1124         case IMAGE_FORMAT_FIT:
1125                 puts("   FIT image found\n");
1126
1127                 if (!fit_check_format(hdr)) {
1128                         puts("Bad FIT image format!\n");
1129                         return 1;
1130                 }
1131
1132                 fit_print_contents(hdr);
1133
1134                 if (!fit_all_image_check_hashes(hdr)) {
1135                         puts("Bad hash in FIT image!\n");
1136                         return 1;
1137                 }
1138
1139                 return 0;
1140 #endif
1141         default:
1142                 puts("Unknown image format!\n");
1143                 break;
1144         }
1145
1146         return 1;
1147 }
1148
1149 U_BOOT_CMD(
1150         iminfo, CONFIG_SYS_MAXARGS,     1,      do_iminfo,
1151         "print header information for application image",
1152         "addr [addr ...]\n"
1153         "    - print header information for application image starting at\n"
1154         "      address 'addr' in memory; this includes verification of the\n"
1155         "      image contents (magic number, header and payload checksums)"
1156 );
1157 #endif
1158
1159
1160 /*******************************************************************/
1161 /* imls - list all images found in flash */
1162 /*******************************************************************/
1163 #if defined(CONFIG_CMD_IMLS)
1164 int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1165 {
1166         flash_info_t *info;
1167         int i, j;
1168         void *hdr;
1169
1170         for (i = 0, info = &flash_info[0];
1171                 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1172
1173                 if (info->flash_id == FLASH_UNKNOWN)
1174                         goto next_bank;
1175                 for (j = 0; j < info->sector_count; ++j) {
1176
1177                         hdr = (void *)info->start[j];
1178                         if (!hdr)
1179                                 goto next_sector;
1180
1181                         switch (genimg_get_format(hdr)) {
1182                         case IMAGE_FORMAT_LEGACY:
1183                                 if (!image_check_hcrc(hdr))
1184                                         goto next_sector;
1185
1186                                 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1187                                 image_print_contents(hdr);
1188
1189                                 puts("   Verifying Checksum ... ");
1190                                 if (!image_check_dcrc(hdr)) {
1191                                         puts("Bad Data CRC\n");
1192                                 } else {
1193                                         puts("OK\n");
1194                                 }
1195                                 break;
1196 #if defined(CONFIG_FIT)
1197                         case IMAGE_FORMAT_FIT:
1198                                 if (!fit_check_format(hdr))
1199                                         goto next_sector;
1200
1201                                 printf("FIT Image at %08lX:\n", (ulong)hdr);
1202                                 fit_print_contents(hdr);
1203                                 break;
1204 #endif
1205                         default:
1206                                 goto next_sector;
1207                         }
1208
1209 next_sector:            ;
1210                 }
1211 next_bank:      ;
1212         }
1213
1214         return (0);
1215 }
1216
1217 U_BOOT_CMD(
1218         imls,   1,              1,      do_imls,
1219         "list all images found in flash",
1220         "\n"
1221         "    - Prints information about all images found at sector\n"
1222         "      boundaries in flash."
1223 );
1224 #endif
1225
1226 /*******************************************************************/
1227 /* helper routines */
1228 /*******************************************************************/
1229 #ifdef CONFIG_SILENT_CONSOLE
1230 static void fixup_silent_linux(void)
1231 {
1232         char buf[256], *start, *end;
1233         char *cmdline = getenv("bootargs");
1234
1235         /* Only fix cmdline when requested */
1236         if (!(gd->flags & GD_FLG_SILENT))
1237                 return;
1238
1239         debug("before silent fix-up: %s\n", cmdline);
1240         if (cmdline) {
1241                 start = strstr(cmdline, "console=");
1242                 if (start) {
1243                         end = strchr(start, ' ');
1244                         strncpy(buf, cmdline, (start - cmdline + 8));
1245                         if (end)
1246                                 strcpy(buf + (start - cmdline + 8), end);
1247                         else
1248                                 buf[start - cmdline + 8] = '\0';
1249                 } else {
1250                         strcpy(buf, cmdline);
1251                         strcat(buf, " console=");
1252                 }
1253         } else {
1254                 strcpy(buf, "console=");
1255         }
1256
1257         setenv("bootargs", buf);
1258         debug("after silent fix-up: %s\n", buf);
1259 }
1260 #endif /* CONFIG_SILENT_CONSOLE */
1261
1262
1263 /*******************************************************************/
1264 /* OS booting routines */
1265 /*******************************************************************/
1266
1267 #ifdef CONFIG_BOOTM_NETBSD
1268 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1269                             bootm_headers_t *images)
1270 {
1271         void (*loader)(bd_t *, image_header_t *, char *, char *);
1272         image_header_t *os_hdr, *hdr;
1273         ulong kernel_data, kernel_len;
1274         char *consdev;
1275         char *cmdline;
1276
1277         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1278                 return 1;
1279
1280 #if defined(CONFIG_FIT)
1281         if (!images->legacy_hdr_valid) {
1282                 fit_unsupported_reset("NetBSD");
1283                 return 1;
1284         }
1285 #endif
1286         hdr = images->legacy_hdr_os;
1287
1288         /*
1289          * Booting a (NetBSD) kernel image
1290          *
1291          * This process is pretty similar to a standalone application:
1292          * The (first part of an multi-) image must be a stage-2 loader,
1293          * which in turn is responsible for loading & invoking the actual
1294          * kernel.  The only differences are the parameters being passed:
1295          * besides the board info strucure, the loader expects a command
1296          * line, the name of the console device, and (optionally) the
1297          * address of the original image header.
1298          */
1299         os_hdr = NULL;
1300         if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1301                 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1302                 if (kernel_len)
1303                         os_hdr = hdr;
1304         }
1305
1306         consdev = "";
1307 #if   defined(CONFIG_8xx_CONS_SMC1)
1308         consdev = "smc1";
1309 #elif defined(CONFIG_8xx_CONS_SMC2)
1310         consdev = "smc2";
1311 #elif defined(CONFIG_8xx_CONS_SCC2)
1312         consdev = "scc2";
1313 #elif defined(CONFIG_8xx_CONS_SCC3)
1314         consdev = "scc3";
1315 #endif
1316
1317         if (argc > 2) {
1318                 ulong len;
1319                 int   i;
1320
1321                 for (i = 2, len = 0; i < argc; i += 1)
1322                         len += strlen(argv[i]) + 1;
1323                 cmdline = malloc(len);
1324
1325                 for (i = 2, len = 0; i < argc; i += 1) {
1326                         if (i > 2)
1327                                 cmdline[len++] = ' ';
1328                         strcpy(&cmdline[len], argv[i]);
1329                         len += strlen(argv[i]);
1330                 }
1331         } else if ((cmdline = getenv("bootargs")) == NULL) {
1332                 cmdline = "";
1333         }
1334
1335         loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1336
1337         printf("## Transferring control to NetBSD stage-2 loader "
1338                 "(at address %08lx) ...\n",
1339                 (ulong)loader);
1340
1341         show_boot_progress(15);
1342
1343         /*
1344          * NetBSD Stage-2 Loader Parameters:
1345          *   r3: ptr to board info data
1346          *   r4: image address
1347          *   r5: console device
1348          *   r6: boot args string
1349          */
1350         (*loader)(gd->bd, os_hdr, consdev, cmdline);
1351
1352         return 1;
1353 }
1354 #endif /* CONFIG_BOOTM_NETBSD*/
1355
1356 #ifdef CONFIG_LYNXKDI
1357 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1358                              bootm_headers_t *images)
1359 {
1360         image_header_t *hdr = &images->legacy_hdr_os_copy;
1361
1362         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1363                 return 1;
1364
1365 #if defined(CONFIG_FIT)
1366         if (!images->legacy_hdr_valid) {
1367                 fit_unsupported_reset("Lynx");
1368                 return 1;
1369         }
1370 #endif
1371
1372         lynxkdi_boot((image_header_t *)hdr);
1373
1374         return 1;
1375 }
1376 #endif /* CONFIG_LYNXKDI */
1377
1378 #ifdef CONFIG_BOOTM_RTEMS
1379 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1380                            bootm_headers_t *images)
1381 {
1382         void (*entry_point)(bd_t *);
1383
1384         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1385                 return 1;
1386
1387 #if defined(CONFIG_FIT)
1388         if (!images->legacy_hdr_valid) {
1389                 fit_unsupported_reset("RTEMS");
1390                 return 1;
1391         }
1392 #endif
1393
1394         entry_point = (void (*)(bd_t *))images->ep;
1395
1396         printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1397                 (ulong)entry_point);
1398
1399         show_boot_progress(15);
1400
1401         /*
1402          * RTEMS Parameters:
1403          *   r3: ptr to board info data
1404          */
1405         (*entry_point)(gd->bd);
1406
1407         return 1;
1408 }
1409 #endif /* CONFIG_BOOTM_RTEMS */
1410
1411 #if defined(CONFIG_BOOTM_OSE)
1412 static int do_bootm_ose(int flag, int argc, char * const argv[],
1413                            bootm_headers_t *images)
1414 {
1415         void (*entry_point)(void);
1416
1417         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1418                 return 1;
1419
1420 #if defined(CONFIG_FIT)
1421         if (!images->legacy_hdr_valid) {
1422                 fit_unsupported_reset("OSE");
1423                 return 1;
1424         }
1425 #endif
1426
1427         entry_point = (void (*)(void))images->ep;
1428
1429         printf("## Transferring control to OSE (at address %08lx) ...\n",
1430                 (ulong)entry_point);
1431
1432         show_boot_progress(15);
1433
1434         /*
1435          * OSE Parameters:
1436          *   None
1437          */
1438         (*entry_point)();
1439
1440         return 1;
1441 }
1442 #endif /* CONFIG_BOOTM_OSE */
1443
1444 #if defined(CONFIG_CMD_ELF)
1445 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1446                              bootm_headers_t *images)
1447 {
1448         char str[80];
1449
1450         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1451                 return 1;
1452
1453 #if defined(CONFIG_FIT)
1454         if (!images->legacy_hdr_valid) {
1455                 fit_unsupported_reset("VxWorks");
1456                 return 1;
1457         }
1458 #endif
1459
1460         sprintf(str, "%lx", images->ep); /* write entry-point into string */
1461         setenv("loadaddr", str);
1462         do_bootvx(NULL, 0, 0, NULL);
1463
1464         return 1;
1465 }
1466
1467 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1468                             bootm_headers_t *images)
1469 {
1470         char *local_args[2];
1471         char str[16];
1472
1473         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1474                 return 1;
1475
1476 #if defined(CONFIG_FIT)
1477         if (!images->legacy_hdr_valid) {
1478                 fit_unsupported_reset("QNX");
1479                 return 1;
1480         }
1481 #endif
1482
1483         sprintf(str, "%lx", images->ep); /* write entry-point into string */
1484         local_args[0] = argv[0];
1485         local_args[1] = str;    /* and provide it via the arguments */
1486         do_bootelf(NULL, 0, 2, local_args);
1487
1488         return 1;
1489 }
1490 #endif
1491
1492 #ifdef CONFIG_INTEGRITY
1493 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1494                            bootm_headers_t *images)
1495 {
1496         void (*entry_point)(void);
1497
1498         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1499                 return 1;
1500
1501 #if defined(CONFIG_FIT)
1502         if (!images->legacy_hdr_valid) {
1503                 fit_unsupported_reset("INTEGRITY");
1504                 return 1;
1505         }
1506 #endif
1507
1508         entry_point = (void (*)(void))images->ep;
1509
1510         printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1511                 (ulong)entry_point);
1512
1513         show_boot_progress(15);
1514
1515         /*
1516          * INTEGRITY Parameters:
1517          *   None
1518          */
1519         (*entry_point)();
1520
1521         return 1;
1522 }
1523 #endif