git.sur5r.net Git - u-boot/blob - 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) ||
 276              (images.os.type == IH_TYPE_MULTI)) &&
 277             (images.os.os == IH_OS_LINUX)) {
 278                 /* find ramdisk */
 279                 ret = boot_get_ramdisk(argc, argv, &images, IH_INITRD_ARCH,
 280                                 &images.rd_start, &images.rd_end);
 281                 if (ret) {
 282                         puts("Ramdisk image is corrupt or invalid\n");
 283                         return 1;
 284                 }
 285
 286 #if defined(CONFIG_OF_LIBFDT)
 287                 /* find flattened device tree */
 288                 ret = boot_get_fdt(flag, argc, argv, &images,
 289                                    &images.ft_addr, &images.ft_len);
 290                 if (ret) {
 291                         puts("Could not find a valid device tree\n");
 292                         return 1;
 293                 }
 294
 295                 set_working_fdt_addr(images.ft_addr);
 296 #endif
 297         }
 298
 299         images.os.start = (ulong)os_hdr;
 300         images.state = BOOTM_STATE_START;
 301
 302         return 0;
 303 }
 304
 305 #define BOOTM_ERR_RESET         -1
 306 #define BOOTM_ERR_OVERLAP       -2
 307 #define BOOTM_ERR_UNIMPLEMENTED -3
 308 static int bootm_load_os(image_info_t os, ulong *load_end, int boot_progress)
 309 {
 310         uint8_t comp = os.comp;
 311         ulong load = os.load;
 312         ulong blob_start = os.start;
 313         ulong blob_end = os.end;
 314         ulong image_start = os.image_start;
 315         ulong image_len = os.image_len;
 316         __maybe_unused uint unc_len = CONFIG_SYS_BOOTM_LEN;
 317 #if defined(CONFIG_LZMA) || defined(CONFIG_LZO)
 318         int ret;
 319 #endif /* defined(CONFIG_LZMA) || defined(CONFIG_LZO) */
 320
 321         const char *type_name = genimg_get_type_name(os.type);
 322
 323         switch (comp) {
 324         case IH_COMP_NONE:
 325                 if (load == blob_start || load == image_start) {
 326                         printf("   XIP %s ... ", type_name);
 327                 } else {
 328                         printf("   Loading %s ... ", type_name);
 329                         memmove_wd((void *)load, (void *)image_start,
 330                                         image_len, CHUNKSZ);
 331                 }
 332                 *load_end = load + image_len;
 333                 puts("OK\n");
 334                 break;
 335 #ifdef CONFIG_GZIP
 336         case IH_COMP_GZIP:
 337                 printf("   Uncompressing %s ... ", type_name);
 338                 if (gunzip((void *)load, unc_len,
 339                                 (uchar *)image_start, &image_len) != 0) {
 340                         puts("GUNZIP: uncompress, out-of-mem or overwrite "
 341                                 "error - must RESET board to recover\n");
 342                         if (boot_progress)
 343                                 show_boot_progress(-6);
 344                         return BOOTM_ERR_RESET;
 345                 }
 346
 347                 *load_end = load + image_len;
 348                 break;
 349 #endif /* CONFIG_GZIP */
 350 #ifdef CONFIG_BZIP2
 351         case IH_COMP_BZIP2:
 352                 printf("   Uncompressing %s ... ", type_name);
 353                 /*
 354                  * If we've got less than 4 MB of malloc() space,
 355                  * use slower decompression algorithm which requires
 356                  * at most 2300 KB of memory.
 357                  */
 358                 int i = BZ2_bzBuffToBuffDecompress((char *)load,
 359                                         &unc_len, (char *)image_start, image_len,
 360                                         CONFIG_SYS_MALLOC_LEN < (4096 * 1024), 0);
 361                 if (i != BZ_OK) {
 362                         printf("BUNZIP2: uncompress or overwrite error %d "
 363                                 "- must RESET board to recover\n", i);
 364                         if (boot_progress)
 365                                 show_boot_progress(-6);
 366                         return BOOTM_ERR_RESET;
 367                 }
 368
 369                 *load_end = load + unc_len;
 370                 break;
 371 #endif /* CONFIG_BZIP2 */
 372 #ifdef CONFIG_LZMA
 373         case IH_COMP_LZMA: {
 374                 SizeT lzma_len = unc_len;
 375                 printf("   Uncompressing %s ... ", type_name);
 376
 377                 ret = lzmaBuffToBuffDecompress(
 378                         (unsigned char *)load, &lzma_len,
 379                         (unsigned char *)image_start, image_len);
 380                 unc_len = lzma_len;
 381                 if (ret != SZ_OK) {
 382                         printf("LZMA: uncompress or overwrite error %d "
 383                                 "- must RESET board to recover\n", ret);
 384                         show_boot_progress(-6);
 385                         return BOOTM_ERR_RESET;
 386                 }
 387                 *load_end = load + unc_len;
 388                 break;
 389         }
 390 #endif /* CONFIG_LZMA */
 391 #ifdef CONFIG_LZO
 392         case IH_COMP_LZO:
 393                 printf("   Uncompressing %s ... ", type_name);
 394
 395                 ret = lzop_decompress((const unsigned char *)image_start,
 396                                           image_len, (unsigned char *)load,
 397                                           &unc_len);
 398                 if (ret != LZO_E_OK) {
 399                         printf("LZO: uncompress or overwrite error %d "
 400                               "- must RESET board to recover\n", ret);
 401                         if (boot_progress)
 402                                 show_boot_progress(-6);
 403                         return BOOTM_ERR_RESET;
 404                 }
 405
 406                 *load_end = load + unc_len;
 407                 break;
 408 #endif /* CONFIG_LZO */
 409         default:
 410                 printf("Unimplemented compression type %d\n", comp);
 411                 return BOOTM_ERR_UNIMPLEMENTED;
 412         }
 413
 414         flush_cache(load, (*load_end - load) * sizeof(ulong));
 415
 416         puts("OK\n");
 417         debug("   kernel loaded at 0x%08lx, end = 0x%08lx\n", load, *load_end);
 418         if (boot_progress)
 419                 show_boot_progress(7);
 420
 421         if ((load < blob_end) && (*load_end > blob_start)) {
 422                 debug("images.os.start = 0x%lX, images.os.end = 0x%lx\n",
 423                         blob_start, blob_end);
 424                 debug("images.os.load = 0x%lx, load_end = 0x%lx\n", load,
 425                         *load_end);
 426
 427                 return BOOTM_ERR_OVERLAP;
 428         }
 429
 430         return 0;
 431 }
 432
 433 static int bootm_start_standalone(ulong iflag, int argc, char * const argv[])
 434 {
 435         char  *s;
 436         int   (*appl)(int, char * const []);
 437
 438         /* Don't start if "autostart" is set to "no" */
 439         if (((s = getenv("autostart")) != NULL) && (strcmp(s, "no") == 0)) {
 440                 char buf[32];
 441                 sprintf(buf, "%lX", images.os.image_len);
 442                 setenv("filesize", buf);
 443                 return 0;
 444         }
 445         appl = (int (*)(int, char * const []))(ulong)ntohl(images.ep);
 446         (*appl)(argc-1, &argv[1]);
 447         return 0;
 448 }
 449
 450 /* we overload the cmd field with our state machine info instead of a
 451  * function pointer */
 452 static cmd_tbl_t cmd_bootm_sub[] = {
 453         U_BOOT_CMD_MKENT(start, 0, 1, (void *)BOOTM_STATE_START, "", ""),
 454         U_BOOT_CMD_MKENT(loados, 0, 1, (void *)BOOTM_STATE_LOADOS, "", ""),
 455 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
 456         U_BOOT_CMD_MKENT(ramdisk, 0, 1, (void *)BOOTM_STATE_RAMDISK, "", ""),
 457 #endif
 458 #ifdef CONFIG_OF_LIBFDT
 459         U_BOOT_CMD_MKENT(fdt, 0, 1, (void *)BOOTM_STATE_FDT, "", ""),
 460 #endif
 461         U_BOOT_CMD_MKENT(cmdline, 0, 1, (void *)BOOTM_STATE_OS_CMDLINE, "", ""),
 462         U_BOOT_CMD_MKENT(bdt, 0, 1, (void *)BOOTM_STATE_OS_BD_T, "", ""),
 463         U_BOOT_CMD_MKENT(prep, 0, 1, (void *)BOOTM_STATE_OS_PREP, "", ""),
 464         U_BOOT_CMD_MKENT(go, 0, 1, (void *)BOOTM_STATE_OS_GO, "", ""),
 465 };
 466
 467 int do_bootm_subcommand(cmd_tbl_t *cmdtp, int flag, int argc,
 468                         char * const argv[])
 469 {
 470         int ret = 0;
 471         long state;
 472         cmd_tbl_t *c;
 473         boot_os_fn *boot_fn;
 474
 475         c = find_cmd_tbl(argv[1], &cmd_bootm_sub[0], ARRAY_SIZE(cmd_bootm_sub));
 476
 477         if (c) {
 478                 state = (long)c->cmd;
 479
 480                 /* treat start special since it resets the state machine */
 481                 if (state == BOOTM_STATE_START) {
 482                         argc--;
 483                         argv++;
 484                         return bootm_start(cmdtp, flag, argc, argv);
 485                 }
 486         } else {
 487                 /* Unrecognized command */
 488                 return cmd_usage(cmdtp);
 489         }
 490
 491         if (images.state >= state) {
 492                 printf("Trying to execute a command out of order\n");
 493                 return cmd_usage(cmdtp);
 494         }
 495
 496         images.state |= state;
 497         boot_fn = boot_os[images.os.os];
 498
 499         switch (state) {
 500                 ulong load_end;
 501                 case BOOTM_STATE_START:
 502                         /* should never occur */
 503                         break;
 504                 case BOOTM_STATE_LOADOS:
 505                         ret = bootm_load_os(images.os, &load_end, 0);
 506                         if (ret)
 507                                 return ret;
 508
 509                         lmb_reserve(&images.lmb, images.os.load,
 510                                         (load_end - images.os.load));
 511                         break;
 512 #ifdef CONFIG_SYS_BOOT_RAMDISK_HIGH
 513                 case BOOTM_STATE_RAMDISK:
 514                 {
 515                         ulong rd_len = images.rd_end - images.rd_start;
 516                         char str[17];
 517
 518                         ret = boot_ramdisk_high(&images.lmb, images.rd_start,
 519                                 rd_len, &images.initrd_start, &images.initrd_end);
 520                         if (ret)
 521                                 return ret;
 522
 523                         sprintf(str, "%lx", images.initrd_start);
 524                         setenv("initrd_start", str);
 525                         sprintf(str, "%lx", images.initrd_end);
 526                         setenv("initrd_end", str);
 527                 }
 528                         break;
 529 #endif
 530 #if defined(CONFIG_OF_LIBFDT)
 531                 case BOOTM_STATE_FDT:
 532                 {
 533                         boot_fdt_add_mem_rsv_regions(&images.lmb,
 534                                                      images.ft_addr);
 535                         ret = boot_relocate_fdt(&images.lmb,
 536                                 &images.ft_addr, &images.ft_len);
 537                         break;
 538                 }
 539 #endif
 540                 case BOOTM_STATE_OS_CMDLINE:
 541                         ret = boot_fn(BOOTM_STATE_OS_CMDLINE, argc, argv, &images);
 542                         if (ret)
 543                                 printf("cmdline subcommand not supported\n");
 544                         break;
 545                 case BOOTM_STATE_OS_BD_T:
 546                         ret = boot_fn(BOOTM_STATE_OS_BD_T, argc, argv, &images);
 547                         if (ret)
 548                                 printf("bdt subcommand not supported\n");
 549                         break;
 550                 case BOOTM_STATE_OS_PREP:
 551                         ret = boot_fn(BOOTM_STATE_OS_PREP, argc, argv, &images);
 552                         if (ret)
 553                                 printf("prep subcommand not supported\n");
 554                         break;
 555                 case BOOTM_STATE_OS_GO:
 556                         disable_interrupts();
 557                         arch_preboot_os();
 558                         boot_fn(BOOTM_STATE_OS_GO, argc, argv, &images);
 559                         break;
 560         }
 561
 562         return ret;
 563 }
 564
 565 /*******************************************************************/
 566 /* bootm - boot application image from image in memory */
 567 /*******************************************************************/
 568
 569 int do_bootm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 570 {
 571         ulong           iflag;
 572         ulong           load_end = 0;
 573         int             ret;
 574         boot_os_fn      *boot_fn;
 575 #ifdef CONFIG_NEEDS_MANUAL_RELOC
 576         static int relocated = 0;
 577
 578         /* relocate boot function table */
 579         if (!relocated) {
 580                 int i;
 581                 for (i = 0; i < ARRAY_SIZE(boot_os); i++)
 582                         if (boot_os[i] != NULL)
 583                                 boot_os[i] += gd->reloc_off;
 584                 relocated = 1;
 585         }
 586 #endif
 587
 588         /* determine if we have a sub command */
 589         if (argc > 1) {
 590                 char *endp;
 591
 592                 simple_strtoul(argv[1], &endp, 16);
 593                 /* endp pointing to NULL means that argv[1] was just a
 594                  * valid number, pass it along to the normal bootm processing
 595                  *
 596                  * If endp is ':' or '#' assume a FIT identifier so pass
 597                  * along for normal processing.
 598                  *
 599                  * Right now we assume the first arg should never be '-'
 600                  */
 601                 if ((*endp != 0) && (*endp != ':') && (*endp != '#'))
 602                         return do_bootm_subcommand(cmdtp, flag, argc, argv);
 603         }
 604
 605         if (bootm_start(cmdtp, flag, argc, argv))
 606                 return 1;
 607
 608         /*
 609          * We have reached the point of no return: we are going to
 610          * overwrite all exception vector code, so we cannot easily
 611          * recover from any failures any more...
 612          */
 613         iflag = disable_interrupts();
 614
 615 #if defined(CONFIG_CMD_USB)
 616         /*
 617          * turn off USB to prevent the host controller from writing to the
 618          * SDRAM while Linux is booting. This could happen (at least for OHCI
 619          * controller), because the HCCA (Host Controller Communication Area)
 620          * lies within the SDRAM and the host controller writes continously to
 621          * this area (as busmaster!). The HccaFrameNumber is for example
 622          * updated every 1 ms within the HCCA structure in SDRAM! For more
 623          * details see the OpenHCI specification.
 624          */
 625         usb_stop();
 626 #endif
 627
 628         ret = bootm_load_os(images.os, &load_end, 1);
 629
 630         if (ret < 0) {
 631                 if (ret == BOOTM_ERR_RESET)
 632                         do_reset(cmdtp, flag, argc, argv);
 633                 if (ret == BOOTM_ERR_OVERLAP) {
 634                         if (images.legacy_hdr_valid) {
 635                                 image_header_t *hdr;
 636                                 hdr = &images.legacy_hdr_os_copy;
 637                                 if (image_get_type(hdr) == IH_TYPE_MULTI)
 638                                         puts("WARNING: legacy format multi "
 639                                                 "component image "
 640                                                 "overwritten\n");
 641                         } else {
 642                                 puts("ERROR: new format image overwritten - "
 643                                         "must RESET the board to recover\n");
 644                                 show_boot_progress(-113);
 645                                 do_reset(cmdtp, flag, argc, argv);
 646                         }
 647                 }
 648                 if (ret == BOOTM_ERR_UNIMPLEMENTED) {
 649                         if (iflag)
 650                                 enable_interrupts();
 651                         show_boot_progress(-7);
 652                         return 1;
 653                 }
 654         }
 655
 656         lmb_reserve(&images.lmb, images.os.load, (load_end - images.os.load));
 657
 658         if (images.os.type == IH_TYPE_STANDALONE) {
 659                 if (iflag)
 660                         enable_interrupts();
 661                 /* This may return when 'autostart' is 'no' */
 662                 bootm_start_standalone(iflag, argc, argv);
 663                 return 0;
 664         }
 665
 666         show_boot_progress(8);
 667
 668 #ifdef CONFIG_SILENT_CONSOLE
 669         if (images.os.os == IH_OS_LINUX)
 670                 fixup_silent_linux();
 671 #endif
 672
 673         boot_fn = boot_os[images.os.os];
 674
 675         if (boot_fn == NULL) {
 676                 if (iflag)
 677                         enable_interrupts();
 678                 printf("ERROR: booting os '%s' (%d) is not supported\n",
 679                         genimg_get_os_name(images.os.os), images.os.os);
 680                 show_boot_progress(-8);
 681                 return 1;
 682         }
 683
 684         arch_preboot_os();
 685
 686         boot_fn(0, argc, argv, &images);
 687
 688         show_boot_progress(-9);
 689 #ifdef DEBUG
 690         puts("\n## Control returned to monitor - resetting...\n");
 691 #endif
 692         do_reset(cmdtp, flag, argc, argv);
 693
 694         return 1;
 695 }
 696
 697 int bootm_maybe_autostart(cmd_tbl_t *cmdtp, const char *cmd)
 698 {
 699         const char *ep = getenv("autostart");
 700
 701         if (ep && !strcmp(ep, "yes")) {
 702                 char *local_args[2];
 703                 local_args[0] = (char *)cmd;
 704                 local_args[1] = NULL;
 705                 printf("Automatic boot of image at addr 0x%08lX ...\n", load_addr);
 706                 return do_bootm(cmdtp, 0, 1, local_args);
 707         }
 708
 709         return 0;
 710 }
 711
 712 /**
 713  * image_get_kernel - verify legacy format kernel image
 714  * @img_addr: in RAM address of the legacy format image to be verified
 715  * @verify: data CRC verification flag
 716  *
 717  * image_get_kernel() verifies legacy image integrity and returns pointer to
 718  * legacy image header if image verification was completed successfully.
 719  *
 720  * returns:
 721  *     pointer to a legacy image header if valid image was found
 722  *     otherwise return NULL
 723  */
 724 static image_header_t *image_get_kernel(ulong img_addr, int verify)
 725 {
 726         image_header_t *hdr = (image_header_t *)img_addr;
 727
 728         if (!image_check_magic(hdr)) {
 729                 puts("Bad Magic Number\n");
 730                 show_boot_progress(-1);
 731                 return NULL;
 732         }
 733         show_boot_progress(2);
 734
 735         if (!image_check_hcrc(hdr)) {
 736                 puts("Bad Header Checksum\n");
 737                 show_boot_progress(-2);
 738                 return NULL;
 739         }
 740
 741         show_boot_progress(3);
 742         image_print_contents(hdr);
 743
 744         if (verify) {
 745                 puts("   Verifying Checksum ... ");
 746                 if (!image_check_dcrc(hdr)) {
 747                         printf("Bad Data CRC\n");
 748                         show_boot_progress(-3);
 749                         return NULL;
 750                 }
 751                 puts("OK\n");
 752         }
 753         show_boot_progress(4);
 754
 755         if (!image_check_target_arch(hdr)) {
 756                 printf("Unsupported Architecture 0x%x\n", image_get_arch(hdr));
 757                 show_boot_progress(-4);
 758                 return NULL;
 759         }
 760         return hdr;
 761 }
 762
 763 /**
 764  * fit_check_kernel - verify FIT format kernel subimage
 765  * @fit_hdr: pointer to the FIT image header
 766  * os_noffset: kernel subimage node offset within FIT image
 767  * @verify: data CRC verification flag
 768  *
 769  * fit_check_kernel() verifies integrity of the kernel subimage and from
 770  * specified FIT image.
 771  *
 772  * returns:
 773  *     1, on success
 774  *     0, on failure
 775  */
 776 #if defined(CONFIG_FIT)
 777 static int fit_check_kernel(const void *fit, int os_noffset, int verify)
 778 {
 779         fit_image_print(fit, os_noffset, "   ");
 780
 781         if (verify) {
 782                 puts("   Verifying Hash Integrity ... ");
 783                 if (!fit_image_check_hashes(fit, os_noffset)) {
 784                         puts("Bad Data Hash\n");
 785                         show_boot_progress(-104);
 786                         return 0;
 787                 }
 788                 puts("OK\n");
 789         }
 790         show_boot_progress(105);
 791
 792         if (!fit_image_check_target_arch(fit, os_noffset)) {
 793                 puts("Unsupported Architecture\n");
 794                 show_boot_progress(-105);
 795                 return 0;
 796         }
 797
 798         show_boot_progress(106);
 799         if (!fit_image_check_type(fit, os_noffset, IH_TYPE_KERNEL)) {
 800                 puts("Not a kernel image\n");
 801                 show_boot_progress(-106);
 802                 return 0;
 803         }
 804
 805         show_boot_progress(107);
 806         return 1;
 807 }
 808 #endif /* CONFIG_FIT */
 809
 810 /**
 811  * boot_get_kernel - find kernel image
 812  * @os_data: pointer to a ulong variable, will hold os data start address
 813  * @os_len: pointer to a ulong variable, will hold os data length
 814  *
 815  * boot_get_kernel() tries to find a kernel image, verifies its integrity
 816  * and locates kernel data.
 817  *
 818  * returns:
 819  *     pointer to image header if valid image was found, plus kernel start
 820  *     address and length, otherwise NULL
 821  */
 822 static void *boot_get_kernel(cmd_tbl_t *cmdtp, int flag, int argc,
 823                 char * const argv[], bootm_headers_t *images, ulong *os_data,
 824                 ulong *os_len)
 825 {
 826         image_header_t  *hdr;
 827         ulong           img_addr;
 828 #if defined(CONFIG_FIT)
 829         void            *fit_hdr;
 830         const char      *fit_uname_config = NULL;
 831         const char      *fit_uname_kernel = NULL;
 832         const void      *data;
 833         size_t          len;
 834         int             cfg_noffset;
 835         int             os_noffset;
 836 #endif
 837
 838         /* find out kernel image address */
 839         if (argc < 2) {
 840                 img_addr = load_addr;
 841                 debug("*  kernel: default image load address = 0x%08lx\n",
 842                                 load_addr);
 843 #if defined(CONFIG_FIT)
 844         } else if (fit_parse_conf(argv[1], load_addr, &img_addr,
 845                                                         &fit_uname_config)) {
 846                 debug("*  kernel: config '%s' from image at 0x%08lx\n",
 847                                 fit_uname_config, img_addr);
 848         } else if (fit_parse_subimage(argv[1], load_addr, &img_addr,
 849                                                         &fit_uname_kernel)) {
 850                 debug("*  kernel: subimage '%s' from image at 0x%08lx\n",
 851                                 fit_uname_kernel, img_addr);
 852 #endif
 853         } else {
 854                 img_addr = simple_strtoul(argv[1], NULL, 16);
 855                 debug("*  kernel: cmdline image address = 0x%08lx\n", img_addr);
 856         }
 857
 858         show_boot_progress(1);
 859
 860         /* copy from dataflash if needed */
 861         img_addr = genimg_get_image(img_addr);
 862
 863         /* check image type, for FIT images get FIT kernel node */
 864         *os_data = *os_len = 0;
 865         switch (genimg_get_format((void *)img_addr)) {
 866         case IMAGE_FORMAT_LEGACY:
 867                 printf("## Booting kernel from Legacy Image at %08lx ...\n",
 868                                 img_addr);
 869                 hdr = image_get_kernel(img_addr, images->verify);
 870                 if (!hdr)
 871                         return NULL;
 872                 show_boot_progress(5);
 873
 874                 /* get os_data and os_len */
 875                 switch (image_get_type(hdr)) {
 876                 case IH_TYPE_KERNEL:
 877                         *os_data = image_get_data(hdr);
 878                         *os_len = image_get_data_size(hdr);
 879                         break;
 880                 case IH_TYPE_MULTI:
 881                         image_multi_getimg(hdr, 0, os_data, os_len);
 882                         break;
 883                 case IH_TYPE_STANDALONE:
 884                         *os_data = image_get_data(hdr);
 885                         *os_len = image_get_data_size(hdr);
 886                         break;
 887                 default:
 888                         printf("Wrong Image Type for %s command\n",
 889                                 cmdtp->name);
 890                         show_boot_progress(-5);
 891                         return NULL;
 892                 }
 893
 894                 /*
 895                  * copy image header to allow for image overwrites during
 896                  * kernel decompression.
 897                  */
 898                 memmove(&images->legacy_hdr_os_copy, hdr,
 899                         sizeof(image_header_t));
 900
 901                 /* save pointer to image header */
 902                 images->legacy_hdr_os = hdr;
 903
 904                 images->legacy_hdr_valid = 1;
 905                 show_boot_progress(6);
 906                 break;
 907 #if defined(CONFIG_FIT)
 908         case IMAGE_FORMAT_FIT:
 909                 fit_hdr = (void *)img_addr;
 910                 printf("## Booting kernel from FIT Image at %08lx ...\n",
 911                                 img_addr);
 912
 913                 if (!fit_check_format(fit_hdr)) {
 914                         puts("Bad FIT kernel image format!\n");
 915                         show_boot_progress(-100);
 916                         return NULL;
 917                 }
 918                 show_boot_progress(100);
 919
 920                 if (!fit_uname_kernel) {
 921                         /*
 922                          * no kernel image node unit name, try to get config
 923                          * node first. If config unit node name is NULL
 924                          * fit_conf_get_node() will try to find default config
 925                          * node
 926                          */
 927                         show_boot_progress(101);
 928                         cfg_noffset = fit_conf_get_node(fit_hdr,
 929                                                         fit_uname_config);
 930                         if (cfg_noffset < 0) {
 931                                 show_boot_progress(-101);
 932                                 return NULL;
 933                         }
 934                         /* save configuration uname provided in the first
 935                          * bootm argument
 936                          */
 937                         images->fit_uname_cfg = fdt_get_name(fit_hdr,
 938                                                                 cfg_noffset,
 939                                                                 NULL);
 940                         printf("   Using '%s' configuration\n",
 941                                 images->fit_uname_cfg);
 942                         show_boot_progress(103);
 943
 944                         os_noffset = fit_conf_get_kernel_node(fit_hdr,
 945                                                                 cfg_noffset);
 946                         fit_uname_kernel = fit_get_name(fit_hdr, os_noffset,
 947                                                         NULL);
 948                 } else {
 949                         /* get kernel component image node offset */
 950                         show_boot_progress(102);
 951                         os_noffset = fit_image_get_node(fit_hdr,
 952                                                         fit_uname_kernel);
 953                 }
 954                 if (os_noffset < 0) {
 955                         show_boot_progress(-103);
 956                         return NULL;
 957                 }
 958
 959                 printf("   Trying '%s' kernel subimage\n", fit_uname_kernel);
 960
 961                 show_boot_progress(104);
 962                 if (!fit_check_kernel(fit_hdr, os_noffset, images->verify))
 963                         return NULL;
 964
 965                 /* get kernel image data address and length */
 966                 if (fit_image_get_data(fit_hdr, os_noffset, &data, &len)) {
 967                         puts("Could not find kernel subimage data!\n");
 968                         show_boot_progress(-107);
 969                         return NULL;
 970                 }
 971                 show_boot_progress(108);
 972
 973                 *os_len = len;
 974                 *os_data = (ulong)data;
 975                 images->fit_hdr_os = fit_hdr;
 976                 images->fit_uname_os = fit_uname_kernel;
 977                 images->fit_noffset_os = os_noffset;
 978                 break;
 979 #endif
 980         default:
 981                 printf("Wrong Image Format for %s command\n", cmdtp->name);
 982                 show_boot_progress(-108);
 983                 return NULL;
 984         }
 985
 986         debug("   kernel data at 0x%08lx, len = 0x%08lx (%ld)\n",
 987                         *os_data, *os_len, *os_len);
 988
 989         return (void *)img_addr;
 990 }
 991
 992 U_BOOT_CMD(
 993         bootm,  CONFIG_SYS_MAXARGS,     1,      do_bootm,
 994         "boot application image from memory",
 995         "[addr [arg ...]]\n    - boot application image stored in memory\n"
 996         "\tpassing arguments 'arg ...'; when booting a Linux kernel,\n"
 997         "\t'arg' can be the address of an initrd image\n"
 998 #if defined(CONFIG_OF_LIBFDT)
 999         "\tWhen booting a Linux kernel which requires a flat device-tree\n"
1000         "\ta third argument is required which is the address of the\n"
1001         "\tdevice-tree blob. To boot that kernel without an initrd image,\n"
1002         "\tuse a '-' for the second argument. If you do not pass a third\n"
1003         "\ta bd_info struct will be passed instead\n"
1004 #endif
1005 #if defined(CONFIG_FIT)
1006         "\t\nFor the new multi component uImage format (FIT) addresses\n"
1007         "\tmust be extened to include component or configuration unit name:\n"
1008         "\taddr:<subimg_uname> - direct component image specification\n"
1009         "\taddr#<conf_uname>   - configuration specification\n"
1010         "\tUse iminfo command to get the list of existing component\n"
1011         "\timages and configurations.\n"
1012 #endif
1013         "\nSub-commands to do part of the bootm sequence.  The sub-commands "
1014         "must be\n"
1015         "issued in the order below (it's ok to not issue all sub-commands):\n"
1016         "\tstart [addr [arg ...]]\n"
1017         "\tloados  - load OS image\n"
1018 #if defined(CONFIG_PPC) || defined(CONFIG_M68K) || defined(CONFIG_SPARC)
1019         "\tramdisk - relocate initrd, set env initrd_start/initrd_end\n"
1020 #endif
1021 #if defined(CONFIG_OF_LIBFDT)
1022         "\tfdt     - relocate flat device tree\n"
1023 #endif
1024         "\tcmdline - OS specific command line processing/setup\n"
1025         "\tbdt     - OS specific bd_t processing\n"
1026         "\tprep    - OS specific prep before relocation or go\n"
1027         "\tgo      - start OS"
1028 );
1029
1030 /*******************************************************************/
1031 /* bootd - boot default image */
1032 /*******************************************************************/
1033 #if defined(CONFIG_CMD_BOOTD)
1034 int do_bootd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1035 {
1036         int rcode = 0;
1037
1038 #ifndef CONFIG_SYS_HUSH_PARSER
1039         if (run_command(getenv("bootcmd"), flag) < 0)
1040                 rcode = 1;
1041 #else
1042         if (parse_string_outer(getenv("bootcmd"),
1043                         FLAG_PARSE_SEMICOLON | FLAG_EXIT_FROM_LOOP) != 0)
1044                 rcode = 1;
1045 #endif
1046         return rcode;
1047 }
1048
1049 U_BOOT_CMD(
1050         boot,   1,      1,      do_bootd,
1051         "boot default, i.e., run 'bootcmd'",
1052         ""
1053 );
1054
1055 /* keep old command name "bootd" for backward compatibility */
1056 U_BOOT_CMD(
1057         bootd, 1,       1,      do_bootd,
1058         "boot default, i.e., run 'bootcmd'",
1059         ""
1060 );
1061
1062 #endif
1063
1064
1065 /*******************************************************************/
1066 /* iminfo - print header info for a requested image */
1067 /*******************************************************************/
1068 #if defined(CONFIG_CMD_IMI)
1069 int do_iminfo(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1070 {
1071         int     arg;
1072         ulong   addr;
1073         int     rcode = 0;
1074
1075         if (argc < 2) {
1076                 return image_info(load_addr);
1077         }
1078
1079         for (arg = 1; arg < argc; ++arg) {
1080                 addr = simple_strtoul(argv[arg], NULL, 16);
1081                 if (image_info(addr) != 0)
1082                         rcode = 1;
1083         }
1084         return rcode;
1085 }
1086
1087 static int image_info(ulong addr)
1088 {
1089         void *hdr = (void *)addr;
1090
1091         printf("\n## Checking Image at %08lx ...\n", addr);
1092
1093         switch (genimg_get_format(hdr)) {
1094         case IMAGE_FORMAT_LEGACY:
1095                 puts("   Legacy image found\n");
1096                 if (!image_check_magic(hdr)) {
1097                         puts("   Bad Magic Number\n");
1098                         return 1;
1099                 }
1100
1101                 if (!image_check_hcrc(hdr)) {
1102                         puts("   Bad Header Checksum\n");
1103                         return 1;
1104                 }
1105
1106                 image_print_contents(hdr);
1107
1108                 puts("   Verifying Checksum ... ");
1109                 if (!image_check_dcrc(hdr)) {
1110                         puts("   Bad Data CRC\n");
1111                         return 1;
1112                 }
1113                 puts("OK\n");
1114                 return 0;
1115 #if defined(CONFIG_FIT)
1116         case IMAGE_FORMAT_FIT:
1117                 puts("   FIT image found\n");
1118
1119                 if (!fit_check_format(hdr)) {
1120                         puts("Bad FIT image format!\n");
1121                         return 1;
1122                 }
1123
1124                 fit_print_contents(hdr);
1125
1126                 if (!fit_all_image_check_hashes(hdr)) {
1127                         puts("Bad hash in FIT image!\n");
1128                         return 1;
1129                 }
1130
1131                 return 0;
1132 #endif
1133         default:
1134                 puts("Unknown image format!\n");
1135                 break;
1136         }
1137
1138         return 1;
1139 }
1140
1141 U_BOOT_CMD(
1142         iminfo, CONFIG_SYS_MAXARGS,     1,      do_iminfo,
1143         "print header information for application image",
1144         "addr [addr ...]\n"
1145         "    - print header information for application image starting at\n"
1146         "      address 'addr' in memory; this includes verification of the\n"
1147         "      image contents (magic number, header and payload checksums)"
1148 );
1149 #endif
1150
1151
1152 /*******************************************************************/
1153 /* imls - list all images found in flash */
1154 /*******************************************************************/
1155 #if defined(CONFIG_CMD_IMLS)
1156 int do_imls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
1157 {
1158         flash_info_t *info;
1159         int i, j;
1160         void *hdr;
1161
1162         for (i = 0, info = &flash_info[0];
1163                 i < CONFIG_SYS_MAX_FLASH_BANKS; ++i, ++info) {
1164
1165                 if (info->flash_id == FLASH_UNKNOWN)
1166                         goto next_bank;
1167                 for (j = 0; j < info->sector_count; ++j) {
1168
1169                         hdr = (void *)info->start[j];
1170                         if (!hdr)
1171                                 goto next_sector;
1172
1173                         switch (genimg_get_format(hdr)) {
1174                         case IMAGE_FORMAT_LEGACY:
1175                                 if (!image_check_hcrc(hdr))
1176                                         goto next_sector;
1177
1178                                 printf("Legacy Image at %08lX:\n", (ulong)hdr);
1179                                 image_print_contents(hdr);
1180
1181                                 puts("   Verifying Checksum ... ");
1182                                 if (!image_check_dcrc(hdr)) {
1183                                         puts("Bad Data CRC\n");
1184                                 } else {
1185                                         puts("OK\n");
1186                                 }
1187                                 break;
1188 #if defined(CONFIG_FIT)
1189                         case IMAGE_FORMAT_FIT:
1190                                 if (!fit_check_format(hdr))
1191                                         goto next_sector;
1192
1193                                 printf("FIT Image at %08lX:\n", (ulong)hdr);
1194                                 fit_print_contents(hdr);
1195                                 break;
1196 #endif
1197                         default:
1198                                 goto next_sector;
1199                         }
1200
1201 next_sector:            ;
1202                 }
1203 next_bank:      ;
1204         }
1205
1206         return (0);
1207 }
1208
1209 U_BOOT_CMD(
1210         imls,   1,              1,      do_imls,
1211         "list all images found in flash",
1212         "\n"
1213         "    - Prints information about all images found at sector\n"
1214         "      boundaries in flash."
1215 );
1216 #endif
1217
1218 /*******************************************************************/
1219 /* helper routines */
1220 /*******************************************************************/
1221 #ifdef CONFIG_SILENT_CONSOLE
1222 static void fixup_silent_linux(void)
1223 {
1224         char buf[256], *start, *end;
1225         char *cmdline = getenv("bootargs");
1226
1227         /* Only fix cmdline when requested */
1228         if (!(gd->flags & GD_FLG_SILENT))
1229                 return;
1230
1231         debug("before silent fix-up: %s\n", cmdline);
1232         if (cmdline) {
1233                 start = strstr(cmdline, "console=");
1234                 if (start) {
1235                         end = strchr(start, ' ');
1236                         strncpy(buf, cmdline, (start - cmdline + 8));
1237                         if (end)
1238                                 strcpy(buf + (start - cmdline + 8), end);
1239                         else
1240                                 buf[start - cmdline + 8] = '\0';
1241                 } else {
1242                         strcpy(buf, cmdline);
1243                         strcat(buf, " console=");
1244                 }
1245         } else {
1246                 strcpy(buf, "console=");
1247         }
1248
1249         setenv("bootargs", buf);
1250         debug("after silent fix-up: %s\n", buf);
1251 }
1252 #endif /* CONFIG_SILENT_CONSOLE */
1253
1254
1255 /*******************************************************************/
1256 /* OS booting routines */
1257 /*******************************************************************/
1258
1259 #ifdef CONFIG_BOOTM_NETBSD
1260 static int do_bootm_netbsd(int flag, int argc, char * const argv[],
1261                             bootm_headers_t *images)
1262 {
1263         void (*loader)(bd_t *, image_header_t *, char *, char *);
1264         image_header_t *os_hdr, *hdr;
1265         ulong kernel_data, kernel_len;
1266         char *consdev;
1267         char *cmdline;
1268
1269         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1270                 return 1;
1271
1272 #if defined(CONFIG_FIT)
1273         if (!images->legacy_hdr_valid) {
1274                 fit_unsupported_reset("NetBSD");
1275                 return 1;
1276         }
1277 #endif
1278         hdr = images->legacy_hdr_os;
1279
1280         /*
1281          * Booting a (NetBSD) kernel image
1282          *
1283          * This process is pretty similar to a standalone application:
1284          * The (first part of an multi-) image must be a stage-2 loader,
1285          * which in turn is responsible for loading & invoking the actual
1286          * kernel.  The only differences are the parameters being passed:
1287          * besides the board info strucure, the loader expects a command
1288          * line, the name of the console device, and (optionally) the
1289          * address of the original image header.
1290          */
1291         os_hdr = NULL;
1292         if (image_check_type(&images->legacy_hdr_os_copy, IH_TYPE_MULTI)) {
1293                 image_multi_getimg(hdr, 1, &kernel_data, &kernel_len);
1294                 if (kernel_len)
1295                         os_hdr = hdr;
1296         }
1297
1298         consdev = "";
1299 #if   defined(CONFIG_8xx_CONS_SMC1)
1300         consdev = "smc1";
1301 #elif defined(CONFIG_8xx_CONS_SMC2)
1302         consdev = "smc2";
1303 #elif defined(CONFIG_8xx_CONS_SCC2)
1304         consdev = "scc2";
1305 #elif defined(CONFIG_8xx_CONS_SCC3)
1306         consdev = "scc3";
1307 #endif
1308
1309         if (argc > 2) {
1310                 ulong len;
1311                 int   i;
1312
1313                 for (i = 2, len = 0; i < argc; i += 1)
1314                         len += strlen(argv[i]) + 1;
1315                 cmdline = malloc(len);
1316
1317                 for (i = 2, len = 0; i < argc; i += 1) {
1318                         if (i > 2)
1319                                 cmdline[len++] = ' ';
1320                         strcpy(&cmdline[len], argv[i]);
1321                         len += strlen(argv[i]);
1322                 }
1323         } else if ((cmdline = getenv("bootargs")) == NULL) {
1324                 cmdline = "";
1325         }
1326
1327         loader = (void (*)(bd_t *, image_header_t *, char *, char *))images->ep;
1328
1329         printf("## Transferring control to NetBSD stage-2 loader "
1330                 "(at address %08lx) ...\n",
1331                 (ulong)loader);
1332
1333         show_boot_progress(15);
1334
1335         /*
1336          * NetBSD Stage-2 Loader Parameters:
1337          *   r3: ptr to board info data
1338          *   r4: image address
1339          *   r5: console device
1340          *   r6: boot args string
1341          */
1342         (*loader)(gd->bd, os_hdr, consdev, cmdline);
1343
1344         return 1;
1345 }
1346 #endif /* CONFIG_BOOTM_NETBSD*/
1347
1348 #ifdef CONFIG_LYNXKDI
1349 static int do_bootm_lynxkdi(int flag, int argc, char * const argv[],
1350                              bootm_headers_t *images)
1351 {
1352         image_header_t *hdr = &images->legacy_hdr_os_copy;
1353
1354         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1355                 return 1;
1356
1357 #if defined(CONFIG_FIT)
1358         if (!images->legacy_hdr_valid) {
1359                 fit_unsupported_reset("Lynx");
1360                 return 1;
1361         }
1362 #endif
1363
1364         lynxkdi_boot((image_header_t *)hdr);
1365
1366         return 1;
1367 }
1368 #endif /* CONFIG_LYNXKDI */
1369
1370 #ifdef CONFIG_BOOTM_RTEMS
1371 static int do_bootm_rtems(int flag, int argc, char * const argv[],
1372                            bootm_headers_t *images)
1373 {
1374         void (*entry_point)(bd_t *);
1375
1376         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1377                 return 1;
1378
1379 #if defined(CONFIG_FIT)
1380         if (!images->legacy_hdr_valid) {
1381                 fit_unsupported_reset("RTEMS");
1382                 return 1;
1383         }
1384 #endif
1385
1386         entry_point = (void (*)(bd_t *))images->ep;
1387
1388         printf("## Transferring control to RTEMS (at address %08lx) ...\n",
1389                 (ulong)entry_point);
1390
1391         show_boot_progress(15);
1392
1393         /*
1394          * RTEMS Parameters:
1395          *   r3: ptr to board info data
1396          */
1397         (*entry_point)(gd->bd);
1398
1399         return 1;
1400 }
1401 #endif /* CONFIG_BOOTM_RTEMS */
1402
1403 #if defined(CONFIG_BOOTM_OSE)
1404 static int do_bootm_ose(int flag, int argc, char * const argv[],
1405                            bootm_headers_t *images)
1406 {
1407         void (*entry_point)(void);
1408
1409         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1410                 return 1;
1411
1412 #if defined(CONFIG_FIT)
1413         if (!images->legacy_hdr_valid) {
1414                 fit_unsupported_reset("OSE");
1415                 return 1;
1416         }
1417 #endif
1418
1419         entry_point = (void (*)(void))images->ep;
1420
1421         printf("## Transferring control to OSE (at address %08lx) ...\n",
1422                 (ulong)entry_point);
1423
1424         show_boot_progress(15);
1425
1426         /*
1427          * OSE Parameters:
1428          *   None
1429          */
1430         (*entry_point)();
1431
1432         return 1;
1433 }
1434 #endif /* CONFIG_BOOTM_OSE */
1435
1436 #if defined(CONFIG_CMD_ELF)
1437 static int do_bootm_vxworks(int flag, int argc, char * const argv[],
1438                              bootm_headers_t *images)
1439 {
1440         char str[80];
1441
1442         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1443                 return 1;
1444
1445 #if defined(CONFIG_FIT)
1446         if (!images->legacy_hdr_valid) {
1447                 fit_unsupported_reset("VxWorks");
1448                 return 1;
1449         }
1450 #endif
1451
1452         sprintf(str, "%lx", images->ep); /* write entry-point into string */
1453         setenv("loadaddr", str);
1454         do_bootvx(NULL, 0, 0, NULL);
1455
1456         return 1;
1457 }
1458
1459 static int do_bootm_qnxelf(int flag, int argc, char * const argv[],
1460                             bootm_headers_t *images)
1461 {
1462         char *local_args[2];
1463         char str[16];
1464
1465         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1466                 return 1;
1467
1468 #if defined(CONFIG_FIT)
1469         if (!images->legacy_hdr_valid) {
1470                 fit_unsupported_reset("QNX");
1471                 return 1;
1472         }
1473 #endif
1474
1475         sprintf(str, "%lx", images->ep); /* write entry-point into string */
1476         local_args[0] = argv[0];
1477         local_args[1] = str;    /* and provide it via the arguments */
1478         do_bootelf(NULL, 0, 2, local_args);
1479
1480         return 1;
1481 }
1482 #endif
1483
1484 #ifdef CONFIG_INTEGRITY
1485 static int do_bootm_integrity(int flag, int argc, char * const argv[],
1486                            bootm_headers_t *images)
1487 {
1488         void (*entry_point)(void);
1489
1490         if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
1491                 return 1;
1492
1493 #if defined(CONFIG_FIT)
1494         if (!images->legacy_hdr_valid) {
1495                 fit_unsupported_reset("INTEGRITY");
1496                 return 1;
1497         }
1498 #endif
1499
1500         entry_point = (void (*)(void))images->ep;
1501
1502         printf("## Transferring control to INTEGRITY (at address %08lx) ...\n",
1503                 (ulong)entry_point);
1504
1505         show_boot_progress(15);
1506
1507         /*
1508          * INTEGRITY Parameters:
1509          *   None
1510          */
1511         (*entry_point)();
1512
1513         return 1;
1514 }
1515 #endif