defaults/linuxrc

   1 #!/bin/sh
   2
   3 . /etc/initrd.defaults
   4 . /etc/initrd.scripts
   5
   6 splash() {
   7         return 0
   8 }
   9
  10 [ -e /etc/initrd.splash ] && . /etc/initrd.splash
  11
  12 # Clean input/output
  13 exec >${CONSOLE} <${CONSOLE} 2>&1
  14
  15 if [ "$$" != '1' ]
  16 then
  17         echo '/linuxrc has to be run as the init process as the one'
  18         echo 'with a PID of 1. Try adding init="/linuxrc" to the'
  19         echo 'kernel command line or running "exec /linuxrc".'
  20         exit 1
  21 fi
  22
  23 mount -t proc proc /proc >/dev/null 2>&1
  24 mount -o remount,rw / >/dev/null 2>&1
  25
  26 # Set up symlinks
  27 /bin/busybox --install -s
  28
  29 if [ "$0" = '/init' ]
  30 then
  31         [ -e /linuxrc ] && rm /linuxrc
  32
  33         if [ -e /bin/lvm ]
  34         then
  35                 ln -s /bin/lvm /bin/vgscan
  36                 ln -s /bin/lvm /bin/vgchange
  37         fi
  38 fi
  39
  40 quiet_kmsg
  41
  42 CMDLINE=`cat /proc/cmdline`
  43 # Scan CMDLINE for any specified real_root= or cdroot arguments
  44 FAKE_ROOT=''
  45 REAL_ROOTFLAGS=''
  46 CRYPT_SILENT=0
  47 for x in ${CMDLINE}
  48 do
  49         case "${x}" in
  50                 real_root\=*)
  51                         REAL_ROOT=`parse_opt "${x}"`
  52                 ;;
  53                 root\=*)
  54                         FAKE_ROOT=`parse_opt "${x}"`
  55                 ;;
  56                 subdir\=*)
  57                         SUBDIR=`parse_opt "${x}"`
  58                 ;;
  59                 real_init\=*)
  60                         REAL_INIT=`parse_opt "${x}"`
  61                 ;;
  62                 init_opts\=*)
  63                         INIT_OPTS=`parse_opt "${x}"`
  64                 ;;
  65                 # Livecd options
  66                 cdroot)
  67                         CDROOT=1
  68                 ;;
  69                 cdroot\=*)
  70                         CDROOT=1
  71                         CDROOT_DEV=`parse_opt "${x}"`
  72                 ;;
  73                 cdroot_type\=*)
  74                         CDROOT_TYPE=`parse_opt "${x}"`
  75                 ;;
  76                 # Start livecd loop, looptype options
  77                 loop\=*)
  78                         LOOP=`parse_opt "${x}"`
  79                 ;;
  80                 looptype\=*)
  81                         LOOPTYPE=`parse_opt "${x}"`
  82                 ;;
  83                 # Start Volume manager options
  84                 dolvm)
  85                         USE_LVM_NORMAL=1
  86                 ;;
  87                 dolvm2)
  88                         bad_msg 'Using dolvm2 is deprecated, use dolvm, instead.'
  89                         USE_LVM_NORMAL=1
  90                 ;;
  91                 domdadm)
  92                         USE_MDADM=1
  93                 ;;
  94                 dodmraid)
  95                         USE_DMRAID_NORMAL=1
  96                 ;;
  97                 dodmraid\=*)
  98                         DMRAID_OPTS=`parse_opt "${x}"`
  99                         USE_DMRAID_NORMAL=1
 100                 ;;
 101                 doevms)
 102                         USE_EVMS_NORMAL=1
 103                 ;;
 104                 doevms2)
 105                         bad_msg 'Using doevms2 is deprecated, use doevms, instead.'
 106                         USE_EVMS_NORMAL=1
 107                 ;;
 108                 # Debug Options
 109                 debug)
 110                         DEBUG='yes'
 111                 ;;
 112                 # Scan delay options
 113                 scandelay\=*)
 114                         SDELAY=`parse_opt "${x}"`
 115                 ;;
 116                 scandelay)
 117                         SDELAY=10
 118                 ;;
 119                 # Module no-loads
 120                 doload\=*)
 121                         MDOLIST=`parse_opt "${x}"`
 122                         MDOLIST="`echo ${MDOLIST} | sed -e 's/,/ /g'`"
 123                 ;;
 124                 nodetect)
 125                         NODETECT=1
 126                 ;;
 127                 noload\=*)
 128                         MLIST=`parse_opt "${x}"`
 129                         MLIST="`echo ${MLIST} | sed -e 's/,/ /g'`"
 130                         export MLIST
 131                 ;;
 132                 # Redirect output to a specific tty
 133                 CONSOLE\=*|console\=*)
 134                         CONSOLE=`parse_opt "${x}"`
 135                         exec >${CONSOLE} <${CONSOLE} 2>&1
 136                 ;;
 137                 # /dev/md
 138                 lvmraid\=*)
 139                         RAID_DEVICES="`parse_opt ${x}`"
 140                         RAID_DEVICES="`echo ${RAID_DEVICES} | sed -e 's/,/ /g'`"
 141                 ;;
 142                 part\=*)
 143                         MDPART=`parse_opt "${x}"`
 144                 ;;
 145                 # NFS
 146                 ip\=*)
 147                         IP=`parse_opt "${x}"`
 148                 ;;
 149                 nfsroot\=*)
 150                         NFSROOT=`parse_opt "${x}"`
 151                 ;;
 152                 crypt_root\=*)
 153                         CRYPT_ROOT=`parse_opt "${x}"`
 154                 ;;
 155                 crypt_swap\=*)
 156                         CRYPT_SWAP=`parse_opt "${x}"`
 157                 ;;
 158                 root_key\=*)
 159                         CRYPT_ROOT_KEY=`parse_opt "${x}"`
 160                 ;;
 161                 root_keydev\=*)
 162                         CRYPT_ROOT_KEYDEV=`parse_opt "${x}"`
 163                 ;;
 164                 swap_key\=*)
 165                         CRYPT_SWAP_KEY=`parse_opt "${x}"`
 166                 ;;
 167                 swap_keydev\=*)
 168                         CRYPT_SWAP_KEYDEV=`parse_opt "${x}"`
 169                 ;;
 170                 real_resume\=*)
 171                         REAL_RESUME=`parse_opt "${x}"`
 172                 ;;
 173                 noresume)
 174                         NORESUME=1
 175                 ;;
 176                 crypt_silent)
 177                         CRYPT_SILENT=1
 178                 ;;
 179                 real_rootflags\=*)
 180                         REAL_ROOTFLAGS=`parse_opt "${x}"`
 181                 ;;
 182                 keymap\=*)
 183                         keymap=`parse_opt "${x}"`
 184                 ;;
 185                 unionfs)
 186                         if [ ! -x /sbin/unionfs ]
 187                         then
 188                                 USE_UNIONFS_NORMAL=0
 189                                 bad_msg 'unionfs binary not found: aborting use of unionfs!'
 190                         else
 191                                 USE_UNIONFS_NORMAL=1
 192                         fi
 193                         ;;
 194                 nounionfs)
 195                         USE_UNIONFS_NORMAL=0
 196                         ;;
 197 #                 unionfs\=*)
 198 #                         if [ ! -x /sbin/unionfs ]
 199 #                         then
 200 #                                 USE_UNIONFS_NORMAL=0
 201 #                                 bad_msg 'unionfs binary not found: aborting use of unionfs!'
 202 #                         else
 203 #                                 USE_UNIONFS_NORMAL=1
 204 #                                 CMD_UNIONFS=`parse_opt "${x}"`
 205 #                                 echo ${CMD_UNIONFS}|grep , >/dev/null 2>&1
 206 #                                 if [ "$?" -eq '0' ]
 207 #                                 then
 208 #                                         UID=`echo ${CMD_UNIONFS#*,}`
 209 #                                         UNIONFS=`echo ${CMD_UNIONFS%,*}`
 210 #                                 else
 211 #                                         UNIONFS=${CMD_UNIONFS}
 212 #                                 fi
 213 #                         fi
 214 #                 ;;
 215         esac
 216 done
 217
 218 if [ -z "${REAL_ROOT}" -a \( "${CDROOT}" -eq 0 \)  -a \( "${FAKE_ROOT}" != "/dev/ram0" \) ]
 219 then
 220         REAL_ROOT="${FAKE_ROOT}"
 221 fi
 222
 223 splash 'init'
 224
 225 cmdline_hwopts
 226
 227 # Mount sysfs
 228 mount_sysfs
 229
 230 # Setup hotplugging for firmware loading
 231 setup_hotplug
 232
 233 # Load modules listed in MY_HWOPTS if /lib/modules exists for the running kernel
 234 if [ -z "${DO_modules}" ]
 235 then
 236         good_msg 'Skipping module load; disabled via commandline'
 237 elif [ -d "/lib/modules/${KV}" ]
 238 then
 239         good_msg 'Loading modules'
 240         # Load appropriate kernel modules
 241         if [ "${NODETECT}" != '1' ]
 242         then
 243                 for modules in ${MY_HWOPTS}
 244                 do
 245                         modules_scan ${modules}
 246                 done
 247         fi
 248         # Always eval doload=...
 249         modules_load ${MDOLIST}
 250 else
 251         good_msg 'Skipping module load; no modules in the ramdisk!'
 252 fi
 253
 254 # Delay if needed for USB hardware
 255 sdelay
 256
 257 # Start device manager
 258 start_dev_mgr
 259
 260 # Setup md device nodes if they dont exist
 261 setup_md_device
 262
 263 # Scan volumes
 264 startVolumes
 265
 266 setup_keymap
 267
 268 # Initialize LUKS root device except for livecd's
 269 if [ "${CDROOT}" != 1 ]
 270 then
 271         startLUKS
 272         if [ "${NORESUME}" != '1' ] && [ -n "${REAL_RESUME}" ]
 273         then
 274                 case "${REAL_RESUME}" in
 275                         LABEL\=*|UUID\=*)
 276
 277                                 RESUME_DEV=""
 278                                 retval=1
 279
 280                                 if [ "${retval}" -ne '0' ]; then
 281                                         RESUME_DEV=`findfs "${REAL_RESUME}" 2>/dev/null`
 282                                         retval=$?
 283                                 fi
 284
 285                                 if [ "$retval" -ne '0' ]; then
 286                                         RESUME_DEV=`busybox findfs "${REAL_RESUME}" 2>/dev/null`
 287                                         retval=$?
 288                                 fi
 289
 290                                 if [ "${retval}" -ne '0' ]; then
 291                                         RESUME_DEV=`blkid -t "${REAL_RESUME}" | cut -d ":" -f 1 2>/dev/null`
 292                                         retval=$?
 293                                 fi
 294
 295                                 if [ "${retval}" -eq '0' ] && [ -n "${RESUME_DEV}" ]; then
 296                                         good_msg "Detected real_resume=${RESUME_DEV}"
 297                                         REAL_RESUME="${RESUME_DEV}"
 298                                 fi
 299                                 ;;
 300                 esac
 301
 302                 swsusp_resume
 303 #               suspend_resume
 304                 tuxonice_resume
 305         fi
 306 fi
 307
 308 mkdir -p "${NEW_ROOT}"
 309 CHROOT="${NEW_ROOT}"
 310
 311 # Run debug shell if requested
 312 rundebugshell
 313
 314 if [ "${CDROOT}" = '1' ]
 315 then
 316         good_msg "Making tmpfs for ${NEW_ROOT}"
 317         mount -n -t tmpfs tmpfs "${NEW_ROOT}"
 318
 319         for i in dev mnt mnt/cdrom mnt/livecd mnt/key tmp tmp/.initrd mnt/gentoo sys
 320         do
 321                 mkdir -p "${NEW_ROOT}/${i}"
 322                 chmod 755 "${NEW_ROOT}/${i}"
 323         done
 324         [ ! -e "${NEW_ROOT}/dev/null" ] && mknod "${NEW_ROOT}"/dev/null c 1 3
 325         [ ! -e "${NEW_ROOT}/dev/console" ] && mknod "${NEW_ROOT}"/dev/console c 5 1
 326
 327         # For SGI LiveCDs ...
 328         if [ "${LOOPTYPE}" = "sgimips" ]
 329         then
 330                 [ ! -e "${NEW_ROOT}/dev/sr0" ] && mknod "${NEW_ROOT}/dev/sr0" b 11 0
 331                 [ ! -e "${NEW_ROOT}/dev/loop0" ] && mknod "${NEW_ROOT}/dev/loop0" b 7 0
 332         fi
 333
 334         # Required for splash to work.  Not an issue with the initrd as this
 335         # device isn't created there and is not needed.
 336         if [ -e /dev/tty1 ]
 337         then
 338                 [ ! -e "${NEW_ROOT}/dev/tty1" ] && mknod "${NEW_ROOT}/dev/tty1" c 4 1
 339         fi
 340
 341         if [ "${REAL_ROOT}" != "/dev/nfs" ] && [ "${LOOPTYPE}" != "sgimips" ]
 342         then
 343                 bootstrapCD
 344         fi
 345
 346         if [ "${REAL_ROOT}" = '' ]
 347         then
 348                 echo -n -e "${WARN}>>${NORMAL}${BOLD} No bootable medium found. Waiting for new devices"
 349
 350                 COUNTER=0
 351                 while [ ${COUNTER} -lt 3 ]; do
 352                         sleep 3
 353                         echo -n '.'
 354                         let COUNTER=${COUNTER}+1
 355                 done
 356
 357                 sleep 1
 358                 echo -e "${NORMAL}"
 359                 bootstrapCD
 360         fi
 361
 362         if [ "${REAL_ROOT}" = '' ]
 363         then
 364                 # Undo stuff
 365                 umount  "${NEW_ROOT}/dev" 2>/dev/null
 366                 umount  "${NEW_ROOT}/sys" 2>/dev/null
 367                 umount /sys 2>/dev/null
 368
 369                 umount  "${NEW_ROOT}"
 370                 rm -rf  "${NEW_ROOT}/*"
 371
 372                 bad_msg 'Could not find CD to boot, something else needed!'
 373                 CDROOT=0
 374         fi
 375 fi
 376
 377 # Determine root device
 378 good_msg 'Determining root device...'
 379 while true
 380 do
 381         while [ "${got_good_root}" != '1' ]
 382         do
 383                 case "${REAL_ROOT}" in
 384                         LABEL\=*|UUID\=*)
 385
 386                                 ROOT_DEV=""
 387                                 retval=1
 388
 389                                 if [ "${retval}" -ne '0' ]; then
 390                                         ROOT_DEV=`findfs "${REAL_ROOT}" 2>/dev/null`
 391                                         retval=$?
 392                                 fi
 393
 394                                 if [ "$retval" -ne '0' ]; then
 395                                         ROOT_DEV=`busybox findfs "${REAL_ROOT}" 2>/dev/null`
 396                                         retval=$?
 397                                 fi
 398
 399                                 if [ "${retval}" -ne '0' ]; then
 400                                         ROOT_DEV=`blkid -t "${REAL_ROOT}" | cut -d ":" -f 1 2>/dev/null`
 401                                         retval=$?
 402                                 fi
 403
 404                                 if [ "${retval}" -eq '0' ] && [ -n "${ROOT_DEV}" ]; then
 405                                         good_msg "Detected real_root=${ROOT_DEV}"
 406                                         REAL_ROOT="${ROOT_DEV}"
 407                                 else
 408                                         whereis "REAL_ROOT" "root block device"
 409                                         got_good_root=0
 410                                         continue
 411                                 fi
 412                                 ;;
 413                 esac
 414
 415                 if [ "${REAL_ROOT}" = '' ]
 416                 then
 417                         # No REAL_ROOT determined/specified. Prompt user for root block device.
 418                         whereis "REAL_ROOT" "root block device"
 419                         got_good_root=0
 420
 421                 # Check for a block device or /dev/nfs
 422                 elif [ -b "${REAL_ROOT}" ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
 423                 then
 424                         got_good_root=1
 425
 426                 else
 427                         bad_msg "Block device ${REAL_ROOT} is not a valid root device..."
 428                         REAL_ROOT=""
 429                         got_good_root=0
 430                 fi
 431         done
 432
 433
 434         if [ "${CDROOT}" = 1 -a "${got_good_root}" = '1' -a "${REAL_ROOT}" != "/dev/nfs" ]
 435         then
 436                 # CD already mounted; no further checks necessary
 437                 break
 438         elif [ "${LOOPTYPE}" = "sgimips" ]
 439         then
 440                 # sgimips mounts the livecd root partition directly
 441                 # there is no isofs filesystem to worry about
 442                 break
 443         else
 444                 good_msg "Mounting root..."
 445
 446                 # Try to mount the device as ${NEW_ROOT}
 447                 if [ "${REAL_ROOT}" = '/dev/nfs' ]; then
 448                         findnfsmount
 449                 else
 450                         # mount ro so fsck doesn't barf later
 451                         if [ "${REAL_ROOTFLAGS}" = '' ]; then
 452                                 mount -o ro ${REAL_ROOT} ${NEW_ROOT}
 453                         else
 454                                 good_msg "Using mount -o ro,${REAL_ROOTFLAGS}"
 455                                 mount -o ro,${REAL_ROOTFLAGS} ${REAL_ROOT} ${NEW_ROOT}
 456                         fi
 457                 fi
 458
 459                 # If mount is successful break out of the loop
 460                 # else not a good root and start over.
 461                 if [ "$?" = '0' ]
 462                 then
 463                         if [ -d ${NEW_ROOT}/dev -a -x ${NEW_ROOT}/sbin/init ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
 464                         then
 465                                 break
 466                         else
 467                                 bad_msg "The filesystem mounted at ${REAL_ROOT} does not appear to be a valid /, try again"
 468                                 got_good_root=0
 469                                 REAL_ROOT=''
 470                         fi
 471                 else
 472                         bad_msg "Could not mount specified ROOT, try again"
 473                         got_good_root=0
 474                         REAL_ROOT=''
 475                 fi
 476         fi
 477 done
 478 # End determine root device
 479
 480 #verbose_kmsg
 481
 482 # If CD root is set determine the looptype to boot
 483 if [ "${CDROOT}" = '1' ]
 484 then
 485         good_msg 'Determining looptype ...'
 486         cd "${NEW_ROOT}"
 487
 488         # Find loop and looptype
 489         [ -z "${LOOP}" ] && find_loop
 490         [ -z "${LOOPTYPE}" ] && find_looptype
 491
 492         cache_cd_contents
 493
 494         # If encrypted, find key and mount, otherwise mount as usual
 495         if [ -n "${CRYPT_ROOT}" ]
 496         then
 497                 CRYPT_ROOT_KEY="$(head -n 1 ${NEW_ROOT}/mnt/cdrom/livecd)"
 498                 CRYPT_ROOT='/dev/loop0'
 499                 good_msg 'You booted an encrypted livecd' "${CRYPT_SILENT}"
 500
 501                 losetup /dev/loop0 "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
 502                 test_success 'Preparing loop filesystem'
 503
 504                 startLUKS
 505
 506                 case ${LOOPTYPE} in
 507                         normal)
 508                                 MOUNTTYPE="ext2"
 509                                 ;;
 510                         *)
 511                                 MOUNTTYPE="${LOOPTYPE}"
 512                                 ;;
 513                 esac
 514                 mount -t "${MOUNTTYPE}" -o ro /dev/mapper/root "${NEW_ROOT}/mnt/livecd"
 515                 test_success 'Mount filesystem'
 516                 FS_LOCATION='mnt/livecd'
 517         # Setup the loopback mounts, if unencrypted
 518         else
 519                 if [ "${LOOPTYPE}" = 'normal' ]
 520                 then
 521                         good_msg 'Mounting loop filesystem'
 522                         mount -t ext2 -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
 523                         test_success 'Mount filesystem'
 524                         FS_LOCATION='mnt/livecd'
 525                 elif [ "${LOOPTYPE}" = 'squashfs' ]
 526                 then
 527                         good_msg 'Mounting squashfs filesystem'
 528                         mount -t squashfs -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
 529                         test_success 'Mount filesystem'
 530                         FS_LOCATION='mnt/livecd'
 531                 elif [ "${LOOPTYPE}" = 'gcloop' ]
 532                 then
 533                         good_msg 'Mounting gcloop filesystem'
 534                         echo ' ' | losetup -E 19 -e ucl-0 -p0 "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
 535                         test_success 'losetup the loop device'
 536
 537                         mount -t ext2 -o ro "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/livecd"
 538                         test_success 'Mount the losetup loop device'
 539                         FS_LOCATION='mnt/livecd'
 540                 elif [ "${LOOPTYPE}" = 'zisofs' ]
 541                 then
 542                         FS_LOCATION="mnt/cdrom/${LOOPEXT}${LOOP}"
 543                 elif [ "${LOOPTYPE}" = 'noloop' ]
 544                 then
 545                         FS_LOCATION='mnt/cdrom'
 546                 elif [ "${LOOPTYPE}" = 'sgimips' ]
 547                 then
 548                         # getdvhoff finds the starting offset (in bytes) of the squashfs
 549                         # partition on the cdrom and returns this offset for losetup
 550                         #
 551                         # All currently supported SGI Systems use SCSI CD-ROMs, so
 552                         # so we know that the CD-ROM is usually going to be /dev/sr0.
 553                         #
 554                         # We use the value given to losetup to set /dev/loop0 to point
 555                         # to the liveCD root partition, and then mount /dev/loop0 as
 556                         # the LiveCD rootfs
 557                         good_msg 'Locating the SGI LiveCD Root Partition'
 558                         echo ' ' | \
 559                                 losetup -o $(getdvhoff "${NEW_ROOT}${REAL_ROOT}" 0) \
 560                                         "${NEW_ROOT}${CDROOT_DEV}" \
 561                                         "${NEW_ROOT}${REAL_ROOT}"
 562                         test_success 'losetup /dev/sr0 /dev/loop0'
 563
 564                         good_msg 'Mounting the Root Partition'
 565                         mount -t squashfs -o ro "${NEW_ROOT}${CDROOT_DEV}" "${NEW_ROOT}/mnt/livecd"
 566                         test_success 'mount /dev/loop0 /'
 567                         FS_LOCATION='mnt/livecd'
 568                 fi
 569         fi
 570
 571
 572
 573         # Unpacking additional packages from NFS mount
 574         # This is useful for adding kernel modules to /lib
 575         # We do this now, so that additional packages can add whereever they want.
 576         if [ "${REAL_ROOT}" = '/dev/nfs' ]
 577         then
 578                 if [ -e "${NEW_ROOT}/mnt/cdrom/add" ]
 579                 then
 580                                 for targz in `ls ${NEW_ROOT}/mnt/cdrom/add/*.tar.gz`
 581                                 do
 582                                         tarname=`basename ${targz}`
 583                                         good_msg "Adding additional package ${tarname}"
 584                                         (cd ${NEW_ROOT} ; /bin/tar -xzf ${targz})
 585                                 done
 586                 fi
 587         fi
 588
 589
 590         if [ "${USE_UNIONFS_NORMAL}" = '1' ]
 591         then
 592                 setup_unionfs ${NEW_ROOT} ${NEW_ROOT}/${FS_LOCATION}
 593                 CHROOT=/union
 594         else
 595
 596         good_msg "Copying read-write image contents to tmpfs"
 597         # Copy over stuff that should be writable
 598         (cd "${NEW_ROOT}/${FS_LOCATION}"; cp -a ${ROOT_TREES} "${NEW_ROOT}")
 599
 600         # Now we do the links.
 601         for x in ${ROOT_LINKS}
 602         do
 603                 if [ -L "${NEW_ROOT}/${FS_LOCATION}/${x}" ]
 604                 then
 605                         ln -s "`readlink ${NEW_ROOT}/${FS_LOCATION}/${x}`" "${x}" 2>/dev/null
 606                 else
 607                         # List all subdirectories of x
 608                         find "${NEW_ROOT}/${FS_LOCATION}/${x}" -type d 2>/dev/null | while read directory
 609                         do
 610                                 # Strip the prefix of the FS_LOCATION
 611                                 directory="${directory#${NEW_ROOT}/${FS_LOCATION}/}"
 612
 613                                 # Skip this directory if we already linked a parent directory
 614                                 if [ "${curent_parrent}" != '' ]; then
 615                                         var=`echo "${directory}" | grep "^${curent_parrent}"`
 616                                         if [ "${var}" != '' ]; then
 617                                                 continue
 618                                         fi
 619                                 fi
 620                                 # Test if the directory exists already
 621                                 if [ -e "/${NEW_ROOT}/${directory}" ]
 622                                 then
 623                                         # It does exist, link all the individual files
 624                                         for file in `ls /${NEW_ROOT}/${FS_LOCATION}/${directory}`
 625                                         do
 626                                         if [ ! -d "/${NEW_ROOT}/${FS_LOCATION}/${directory}/${file}" ] && [ ! -e "${NEW_ROOT}/${directory}/${file}" ]; then
 627                                                         ln -s "/${FS_LOCATION}/${directory}/${file}" "${directory}/${file}" 2> /dev/null
 628                                                 fi
 629                                         done
 630                                 else
 631                                         # It does not exist, make a link to the livecd
 632                                         ln -s "/${FS_LOCATION}/${directory}" "${directory}" 2>/dev/null
 633                                         current_parent="${directory}"
 634                                 fi
 635                         done
 636                 fi
 637         done
 638
 639         if [ "${DO_slowusb}" ] || [ "${FORCE_slowusb}" ]
 640         then
 641                 sleep 10
 642         fi
 643         mkdir initramfs proc tmp sys 2>/dev/null
 644         chmod 1777 tmp
 645
 646         fi
 647
 648         #UML=`cat /proc/cpuinfo|grep UML|sed -e 's|model name.*: ||'`
 649         #if [ "${UML}" = 'UML' ]
 650         #then
 651         #       # UML Fixes
 652         #       good_msg 'Updating for uml system'
 653         #fi
 654
 655         # Let Init scripts know that we booted from CD
 656         export CDBOOT
 657         CDBOOT=1
 658         check_slowusb
 659         if [ "${DO_slowusb}" ] || [ "${FORCE_slowusb}" ]
 660         then
 661                 sleep 10
 662         fi
 663 else
 664         if [ "${USE_UNIONFS_NORMAL}" = '1' ]
 665         then
 666                 mkdir /union_changes
 667                 mount -t tmpfs tmpfs /union_changes
 668                 setup_unionfs /union_changes ${NEW_ROOT}
 669                 mkdir -p ${UNION}/tmp/.initrd
 670         fi
 671 fi
 672
 673 # Execute script on the cdrom just before boot to update things if necessary
 674 cdupdate
 675
 676 if [ "${SUBDIR}" != '' -a -e "${CHROOT}/${SUBDIR}" ]
 677 then
 678         good_msg "Entering ${SUBDIR} to boot"
 679         CHROOT="${CHROOT}/${SUBDIR}"
 680 fi
 681
 682 verbose_kmsg
 683
 684 echo -ne "${GOOD}>>${NORMAL}${BOLD} Booting (initramfs)${NORMAL}"
 685 if [ ! -e "${CHROOT}/dev/console" ] || [ ! -e "${CHROOT}/dev/null" ]
 686 then
 687         echo -ne "${BAD}>>${NORMAL}${BOLD} ERROR: your real /dev is missing files required to boot (console and null)${NORMAL}"
 688 elif [ -e /etc/initrd.splash -a ! -e "${CHROOT}/dev/tty1" ]
 689 then
 690         echo -ne "${BAD}>>${NORMAL}${BOLD} ERROR: your real /dev is missing tty1, which is required for splash${NORMAL}"
 691 fi
 692
 693 cd "${CHROOT}"
 694 mkdir "${CHROOT}/proc" "${CHROOT}/sys" 2>/dev/null
 695 echo -ne "${BOLD}.${NORMAL}"
 696 umount /sys || echo '*: Failed to unmount the ramdisk /sys!'
 697 umount /proc || echo '*: Failed to unmount the ramdisk /proc!'
 698 echo -e "${BOLD}.${NORMAL}"
 699
 700 exec /sbin/switch_root -c "/dev/console" "${CHROOT}" "${REAL_INIT:-/sbin/init}" "${INIT_OPTS}"
 701
 702 # If we get here, something bad has happened
 703 splash 'verbose'
 704
 705 echo 'A fatal error has probably occured since /sbin/init did not'
 706 echo 'boot correctly. Trying to open a shell...'
 707 echo
 708 exec /bin/bash
 709 exec /bin/sh
 710 exec /bin/ash
 711 exec sh