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                 # ISCSI
 153                 iscsi_i\=*)
 154                         ISCSI_I=`parse_opt "${x}"`
 155                 ;;
 156                 iscsi_t\=*)
 157                         ISCSI_T=`parse_opt "${x}"`
 158                 ;;
 159                 iscsi_a\=*)
 160                         ISCSI_A=`parse_opt "${x}"`
 161                 ;;
 162                 # Crypto
 163                 crypt_root\=*)
 164                         CRYPT_ROOT=`parse_opt "${x}"`
 165                 ;;
 166                 crypt_swap\=*)
 167                         CRYPT_SWAP=`parse_opt "${x}"`
 168                 ;;
 169                 root_key\=*)
 170                         CRYPT_ROOT_KEY=`parse_opt "${x}"`
 171                 ;;
 172                 root_keydev\=*)
 173                         CRYPT_ROOT_KEYDEV=`parse_opt "${x}"`
 174                 ;;
 175                 swap_key\=*)
 176                         CRYPT_SWAP_KEY=`parse_opt "${x}"`
 177                 ;;
 178                 swap_keydev\=*)
 179                         CRYPT_SWAP_KEYDEV=`parse_opt "${x}"`
 180                 ;;
 181                 real_resume\=*)
 182                         REAL_RESUME=`parse_opt "${x}"`
 183                 ;;
 184                 noresume)
 185                         NORESUME=1
 186                 ;;
 187                 crypt_silent)
 188                         CRYPT_SILENT=1
 189                 ;;
 190                 real_rootflags\=*)
 191                         REAL_ROOTFLAGS=`parse_opt "${x}"`
 192                 ;;
 193                 keymap\=*)
 194                         keymap=`parse_opt "${x}"`
 195                 ;;
 196                 unionfs)
 197                         if [ ! -x /sbin/unionfs ]
 198                         then
 199                                 USE_UNIONFS_NORMAL=0
 200                                 bad_msg 'unionfs binary not found: aborting use of unionfs!'
 201                         else
 202                                 USE_UNIONFS_NORMAL=1
 203                         fi
 204                         ;;
 205                 nounionfs)
 206                         USE_UNIONFS_NORMAL=0
 207                         ;;
 208 #                 unionfs\=*)
 209 #                         if [ ! -x /sbin/unionfs ]
 210 #                         then
 211 #                                 USE_UNIONFS_NORMAL=0
 212 #                                 bad_msg 'unionfs binary not found: aborting use of unionfs!'
 213 #                         else
 214 #                                 USE_UNIONFS_NORMAL=1
 215 #                                 CMD_UNIONFS=`parse_opt "${x}"`
 216 #                                 echo ${CMD_UNIONFS}|grep , >/dev/null 2>&1
 217 #                                 if [ "$?" -eq '0' ]
 218 #                                 then
 219 #                                         UID=`echo ${CMD_UNIONFS#*,}`
 220 #                                         UNIONFS=`echo ${CMD_UNIONFS%,*}`
 221 #                                 else
 222 #                                         UNIONFS=${CMD_UNIONFS}
 223 #                                 fi
 224 #                         fi
 225 #                 ;;
 226         esac
 227 done
 228
 229 if [ -z "${REAL_ROOT}" -a \( "${CDROOT}" -eq 0 \)  -a \( "${FAKE_ROOT}" != "/dev/ram0" \) ]
 230 then
 231         REAL_ROOT="${FAKE_ROOT}"
 232 fi
 233
 234 splash 'init'
 235
 236 cmdline_hwopts
 237
 238 # Mount sysfs
 239 mount_sysfs
 240
 241 # Setup hotplugging for firmware loading
 242 setup_hotplug
 243
 244 # Load modules listed in MY_HWOPTS if /lib/modules exists for the running kernel
 245 if [ -z "${DO_modules}" ]
 246 then
 247         good_msg 'Skipping module load; disabled via commandline'
 248 elif [ -d "/lib/modules/${KV}" ]
 249 then
 250         good_msg 'Loading modules'
 251         # Load appropriate kernel modules
 252         if [ "${NODETECT}" != '1' ]
 253         then
 254                 for modules in ${MY_HWOPTS}
 255                 do
 256                         modules_scan ${modules}
 257                 done
 258         fi
 259         # Always eval doload=...
 260         modules_load ${MDOLIST}
 261 else
 262         good_msg 'Skipping module load; no modules in the ramdisk!'
 263 fi
 264
 265 # Delay if needed for USB hardware
 266 sdelay
 267
 268 # Start device manager
 269 start_dev_mgr
 270
 271 # Setup md device nodes if they dont exist
 272 setup_md_device
 273
 274 # Scan volumes
 275 startVolumes
 276
 277 # Start ISCSI
 278 startiscsi
 279
 280 setup_keymap
 281
 282 # Initialize LUKS root device except for livecd's
 283 if [ "${CDROOT}" != 1 ]
 284 then
 285         startLUKS
 286         if [ "${NORESUME}" != '1' ] && [ -n "${REAL_RESUME}" ]
 287         then
 288                 case "${REAL_RESUME}" in
 289                         LABEL\=*|UUID\=*)
 290
 291                                 RESUME_DEV=""
 292                                 retval=1
 293
 294                                 if [ "${retval}" -ne '0' ]; then
 295                                         RESUME_DEV=`findfs "${REAL_RESUME}" 2>/dev/null`
 296                                         retval=$?
 297                                 fi
 298
 299                                 if [ "$retval" -ne '0' ]; then
 300                                         RESUME_DEV=`busybox findfs "${REAL_RESUME}" 2>/dev/null`
 301                                         retval=$?
 302                                 fi
 303
 304                                 if [ "${retval}" -ne '0' ]; then
 305                                         RESUME_DEV=`blkid -t "${REAL_RESUME}" | cut -d ":" -f 1 2>/dev/null`
 306                                         retval=$?
 307                                 fi
 308
 309                                 if [ "${retval}" -eq '0' ] && [ -n "${RESUME_DEV}" ]; then
 310                                         good_msg "Detected real_resume=${RESUME_DEV}"
 311                                         REAL_RESUME="${RESUME_DEV}"
 312                                 fi
 313                                 ;;
 314                 esac
 315
 316                 swsusp_resume
 317 #               suspend_resume
 318                 tuxonice_resume
 319         fi
 320 fi
 321
 322 mkdir -p "${NEW_ROOT}"
 323 CHROOT="${NEW_ROOT}"
 324
 325 # Run debug shell if requested
 326 rundebugshell
 327
 328 if [ "${CDROOT}" = '1' ]
 329 then
 330         good_msg "Making tmpfs for ${NEW_ROOT}"
 331         mount -n -t tmpfs tmpfs "${NEW_ROOT}"
 332
 333         for i in dev mnt mnt/cdrom mnt/livecd mnt/key tmp tmp/.initrd mnt/gentoo sys
 334         do
 335                 mkdir -p "${NEW_ROOT}/${i}"
 336                 chmod 755 "${NEW_ROOT}/${i}"
 337         done
 338         [ ! -e "${NEW_ROOT}/dev/null" ] && mknod "${NEW_ROOT}"/dev/null c 1 3
 339         [ ! -e "${NEW_ROOT}/dev/console" ] && mknod "${NEW_ROOT}"/dev/console c 5 1
 340
 341         # For SGI LiveCDs ...
 342         if [ "${LOOPTYPE}" = "sgimips" ]
 343         then
 344                 [ ! -e "${NEW_ROOT}/dev/sr0" ] && mknod "${NEW_ROOT}/dev/sr0" b 11 0
 345                 [ ! -e "${NEW_ROOT}/dev/loop0" ] && mknod "${NEW_ROOT}/dev/loop0" b 7 0
 346         fi
 347
 348         # Required for splash to work.  Not an issue with the initrd as this
 349         # device isn't created there and is not needed.
 350         if [ -e /dev/tty1 ]
 351         then
 352                 [ ! -e "${NEW_ROOT}/dev/tty1" ] && mknod "${NEW_ROOT}/dev/tty1" c 4 1
 353         fi
 354
 355         if [ "${REAL_ROOT}" != "/dev/nfs" ] && [ "${LOOPTYPE}" != "sgimips" ]
 356         then
 357                 bootstrapCD
 358         fi
 359
 360         if [ "${REAL_ROOT}" = '' ]
 361         then
 362                 echo -n -e "${WARN}>>${NORMAL}${BOLD} No bootable medium found. Waiting for new devices"
 363
 364                 COUNTER=0
 365                 while [ ${COUNTER} -lt 3 ]; do
 366                         sleep 3
 367                         echo -n '.'
 368                         let COUNTER=${COUNTER}+1
 369                 done
 370
 371                 sleep 1
 372                 echo -e "${NORMAL}"
 373                 bootstrapCD
 374         fi
 375
 376         if [ "${REAL_ROOT}" = '' ]
 377         then
 378                 # Undo stuff
 379                 umount  "${NEW_ROOT}/dev" 2>/dev/null
 380                 umount  "${NEW_ROOT}/sys" 2>/dev/null
 381                 umount /sys 2>/dev/null
 382
 383                 umount  "${NEW_ROOT}"
 384                 rm -rf  "${NEW_ROOT}/*"
 385
 386                 bad_msg 'Could not find CD to boot, something else needed!'
 387                 CDROOT=0
 388         fi
 389 fi
 390
 391 # Determine root device
 392 good_msg 'Determining root device...'
 393 while true
 394 do
 395         while [ "${got_good_root}" != '1' ]
 396         do
 397                 case "${REAL_ROOT}" in
 398                         LABEL\=*|UUID\=*)
 399
 400                                 ROOT_DEV=""
 401                                 retval=1
 402
 403                                 if [ "${retval}" -ne '0' ]; then
 404                                         ROOT_DEV=`findfs "${REAL_ROOT}" 2>/dev/null`
 405                                         retval=$?
 406                                 fi
 407
 408                                 if [ "$retval" -ne '0' ]; then
 409                                         ROOT_DEV=`busybox findfs "${REAL_ROOT}" 2>/dev/null`
 410                                         retval=$?
 411                                 fi
 412
 413                                 if [ "${retval}" -ne '0' ]; then
 414                                         ROOT_DEV=`blkid -t "${REAL_ROOT}" | cut -d ":" -f 1 2>/dev/null`
 415                                         retval=$?
 416                                 fi
 417
 418                                 if [ "${retval}" -eq '0' ] && [ -n "${ROOT_DEV}" ]; then
 419                                         good_msg "Detected real_root=${ROOT_DEV}"
 420                                         REAL_ROOT="${ROOT_DEV}"
 421                                 else
 422                                         whereis "REAL_ROOT" "root block device"
 423                                         got_good_root=0
 424                                         continue
 425                                 fi
 426                                 ;;
 427                 esac
 428
 429                 if [ "${REAL_ROOT}" = '' ]
 430                 then
 431                         # No REAL_ROOT determined/specified. Prompt user for root block device.
 432                         whereis "REAL_ROOT" "root block device"
 433                         got_good_root=0
 434
 435                 # Check for a block device or /dev/nfs
 436                 elif [ -b "${REAL_ROOT}" ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
 437                 then
 438                         got_good_root=1
 439
 440                 else
 441                         bad_msg "Block device ${REAL_ROOT} is not a valid root device..."
 442                         REAL_ROOT=""
 443                         got_good_root=0
 444                 fi
 445         done
 446
 447
 448         if [ "${CDROOT}" = 1 -a "${got_good_root}" = '1' -a "${REAL_ROOT}" != "/dev/nfs" ]
 449         then
 450                 # CD already mounted; no further checks necessary
 451                 break
 452         elif [ "${LOOPTYPE}" = "sgimips" ]
 453         then
 454                 # sgimips mounts the livecd root partition directly
 455                 # there is no isofs filesystem to worry about
 456                 break
 457         else
 458                 good_msg "Mounting root..."
 459
 460                 # Try to mount the device as ${NEW_ROOT}
 461                 if [ "${REAL_ROOT}" = '/dev/nfs' ]; then
 462                         findnfsmount
 463                 else
 464                         # mount ro so fsck doesn't barf later
 465                         if [ "${REAL_ROOTFLAGS}" = '' ]; then
 466                                 mount -o ro ${REAL_ROOT} ${NEW_ROOT}
 467                         else
 468                                 good_msg "Using mount -o ro,${REAL_ROOTFLAGS}"
 469                                 mount -o ro,${REAL_ROOTFLAGS} ${REAL_ROOT} ${NEW_ROOT}
 470                         fi
 471                 fi
 472
 473                 # If mount is successful break out of the loop
 474                 # else not a good root and start over.
 475                 if [ "$?" = '0' ]
 476                 then
 477                         if [ -d ${NEW_ROOT}/dev -a -x ${NEW_ROOT}/sbin/init ] || [ "${REAL_ROOT}" = "/dev/nfs" ]
 478                         then
 479                                 break
 480                         else
 481                                 bad_msg "The filesystem mounted at ${REAL_ROOT} does not appear to be a valid /, try again"
 482                                 got_good_root=0
 483                                 REAL_ROOT=''
 484                         fi
 485                 else
 486                         bad_msg "Could not mount specified ROOT, try again"
 487                         got_good_root=0
 488                         REAL_ROOT=''
 489                 fi
 490         fi
 491 done
 492 # End determine root device
 493
 494 #verbose_kmsg
 495
 496 # If CD root is set determine the looptype to boot
 497 if [ "${CDROOT}" = '1' ]
 498 then
 499         good_msg 'Determining looptype ...'
 500         cd "${NEW_ROOT}"
 501
 502         # Find loop and looptype
 503         [ -z "${LOOP}" ] && find_loop
 504         [ -z "${LOOPTYPE}" ] && find_looptype
 505
 506         cache_cd_contents
 507
 508         # If encrypted, find key and mount, otherwise mount as usual
 509         if [ -n "${CRYPT_ROOT}" ]
 510         then
 511                 CRYPT_ROOT_KEY="$(head -n 1 ${NEW_ROOT}/mnt/cdrom/livecd)"
 512                 CRYPT_ROOT='/dev/loop0'
 513                 good_msg 'You booted an encrypted livecd' "${CRYPT_SILENT}"
 514
 515                 losetup /dev/loop0 "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
 516                 test_success 'Preparing loop filesystem'
 517
 518                 startLUKS
 519
 520                 case ${LOOPTYPE} in
 521                         normal)
 522                                 MOUNTTYPE="ext2"
 523                                 ;;
 524                         *)
 525                                 MOUNTTYPE="${LOOPTYPE}"
 526                                 ;;
 527                 esac
 528                 mount -t "${MOUNTTYPE}" -o ro /dev/mapper/root "${NEW_ROOT}/mnt/livecd"
 529                 test_success 'Mount filesystem'
 530                 FS_LOCATION='mnt/livecd'
 531         # Setup the loopback mounts, if unencrypted
 532         else
 533                 if [ "${LOOPTYPE}" = 'normal' ]
 534                 then
 535                         good_msg 'Mounting loop filesystem'
 536                         mount -t ext2 -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
 537                         test_success 'Mount filesystem'
 538                         FS_LOCATION='mnt/livecd'
 539                 elif [ "${LOOPTYPE}" = 'squashfs' ]
 540                 then
 541                         good_msg 'Mounting squashfs filesystem'
 542                         mount -t squashfs -o loop,ro "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}" "${NEW_ROOT}/mnt/livecd"
 543                         test_success 'Mount filesystem'
 544                         FS_LOCATION='mnt/livecd'
 545                 elif [ "${LOOPTYPE}" = 'gcloop' ]
 546                 then
 547                         good_msg 'Mounting gcloop filesystem'
 548                         echo ' ' | losetup -E 19 -e ucl-0 -p0 "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/cdrom/${LOOPEXT}${LOOP}"
 549                         test_success 'losetup the loop device'
 550
 551                         mount -t ext2 -o ro "${NEW_ROOT}/dev/loop0" "${NEW_ROOT}/mnt/livecd"
 552                         test_success 'Mount the losetup loop device'
 553                         FS_LOCATION='mnt/livecd'
 554                 elif [ "${LOOPTYPE}" = 'zisofs' ]
 555                 then
 556                         FS_LOCATION="mnt/cdrom/${LOOPEXT}${LOOP}"
 557                 elif [ "${LOOPTYPE}" = 'noloop' ]
 558                 then
 559                         FS_LOCATION='mnt/cdrom'
 560                 elif [ "${LOOPTYPE}" = 'sgimips' ]
 561                 then
 562                         # getdvhoff finds the starting offset (in bytes) of the squashfs
 563                         # partition on the cdrom and returns this offset for losetup
 564                         #
 565                         # All currently supported SGI Systems use SCSI CD-ROMs, so
 566                         # so we know that the CD-ROM is usually going to be /dev/sr0.
 567                         #
 568                         # We use the value given to losetup to set /dev/loop0 to point
 569                         # to the liveCD root partition, and then mount /dev/loop0 as
 570                         # the LiveCD rootfs
 571                         good_msg 'Locating the SGI LiveCD Root Partition'
 572                         echo ' ' | \
 573                                 losetup -o $(getdvhoff "${NEW_ROOT}${REAL_ROOT}" 0) \
 574                                         "${NEW_ROOT}${CDROOT_DEV}" \
 575                                         "${NEW_ROOT}${REAL_ROOT}"
 576                         test_success 'losetup /dev/sr0 /dev/loop0'
 577
 578                         good_msg 'Mounting the Root Partition'
 579                         mount -t squashfs -o ro "${NEW_ROOT}${CDROOT_DEV}" "${NEW_ROOT}/mnt/livecd"
 580                         test_success 'mount /dev/loop0 /'
 581                         FS_LOCATION='mnt/livecd'
 582                 fi
 583         fi
 584
 585
 586
 587         # Unpacking additional packages from NFS mount
 588         # This is useful for adding kernel modules to /lib
 589         # We do this now, so that additional packages can add whereever they want.
 590         if [ "${REAL_ROOT}" = '/dev/nfs' ]
 591         then
 592                 if [ -e "${NEW_ROOT}/mnt/cdrom/add" ]
 593                 then
 594                                 for targz in `ls ${NEW_ROOT}/mnt/cdrom/add/*.tar.gz`
 595                                 do
 596                                         tarname=`basename ${targz}`
 597                                         good_msg "Adding additional package ${tarname}"
 598                                         (cd ${NEW_ROOT} ; /bin/tar -xzf ${targz})
 599                                 done
 600                 fi
 601         fi
 602
 603
 604         if [ "${USE_UNIONFS_NORMAL}" = '1' ]
 605         then
 606                 setup_unionfs ${NEW_ROOT} ${NEW_ROOT}/${FS_LOCATION}
 607                 CHROOT=/union
 608         else
 609
 610         good_msg "Copying read-write image contents to tmpfs"
 611         # Copy over stuff that should be writable
 612         (cd "${NEW_ROOT}/${FS_LOCATION}"; cp -a ${ROOT_TREES} "${NEW_ROOT}")
 613
 614         # Now we do the links.
 615         for x in ${ROOT_LINKS}
 616         do
 617                 if [ -L "${NEW_ROOT}/${FS_LOCATION}/${x}" ]
 618                 then
 619                         ln -s "`readlink ${NEW_ROOT}/${FS_LOCATION}/${x}`" "${x}" 2>/dev/null
 620                 else
 621                         # List all subdirectories of x
 622                         find "${NEW_ROOT}/${FS_LOCATION}/${x}" -type d 2>/dev/null | while read directory
 623                         do
 624                                 # Strip the prefix of the FS_LOCATION
 625                                 directory="${directory#${NEW_ROOT}/${FS_LOCATION}/}"
 626
 627                                 # Skip this directory if we already linked a parent directory
 628                                 if [ "${curent_parrent}" != '' ]; then
 629                                         var=`echo "${directory}" | grep "^${curent_parrent}"`
 630                                         if [ "${var}" != '' ]; then
 631                                                 continue
 632                                         fi
 633                                 fi
 634                                 # Test if the directory exists already
 635                                 if [ -e "/${NEW_ROOT}/${directory}" ]
 636                                 then
 637                                         # It does exist, link all the individual files
 638                                         for file in `ls /${NEW_ROOT}/${FS_LOCATION}/${directory}`
 639                                         do
 640                                         if [ ! -d "/${NEW_ROOT}/${FS_LOCATION}/${directory}/${file}" ] && [ ! -e "${NEW_ROOT}/${directory}/${file}" ]; then
 641                                                         ln -s "/${FS_LOCATION}/${directory}/${file}" "${directory}/${file}" 2> /dev/null
 642                                                 fi
 643                                         done
 644                                 else
 645                                         # It does not exist, make a link to the livecd
 646                                         ln -s "/${FS_LOCATION}/${directory}" "${directory}" 2>/dev/null
 647                                         current_parent="${directory}"
 648                                 fi
 649                         done
 650                 fi
 651         done
 652
 653         if [ "${DO_slowusb}" ] || [ "${FORCE_slowusb}" ]
 654         then
 655                 sleep 10
 656         fi
 657         mkdir initramfs proc tmp sys 2>/dev/null
 658         chmod 1777 tmp
 659
 660         fi
 661
 662         #UML=`cat /proc/cpuinfo|grep UML|sed -e 's|model name.*: ||'`
 663         #if [ "${UML}" = 'UML' ]
 664         #then
 665         #       # UML Fixes
 666         #       good_msg 'Updating for uml system'
 667         #fi
 668
 669         # Let Init scripts know that we booted from CD
 670         export CDBOOT
 671         CDBOOT=1
 672         check_slowusb
 673         if [ "${DO_slowusb}" ] || [ "${FORCE_slowusb}" ]
 674         then
 675                 sleep 10
 676         fi
 677 else
 678         if [ "${USE_UNIONFS_NORMAL}" = '1' ]
 679         then
 680                 mkdir /union_changes
 681                 mount -t tmpfs tmpfs /union_changes
 682                 setup_unionfs /union_changes ${NEW_ROOT}
 683                 mkdir -p ${UNION}/tmp/.initrd
 684         fi
 685 fi
 686
 687 # Execute script on the cdrom just before boot to update things if necessary
 688 cdupdate
 689
 690 if [ "${SUBDIR}" != '' -a -e "${CHROOT}/${SUBDIR}" ]
 691 then
 692         good_msg "Entering ${SUBDIR} to boot"
 693         CHROOT="${CHROOT}/${SUBDIR}"
 694 fi
 695
 696 verbose_kmsg
 697
 698 echo -ne "${GOOD}>>${NORMAL}${BOLD} Booting (initramfs)${NORMAL}"
 699 if [ ! -e "${CHROOT}/dev/console" ] || [ ! -e "${CHROOT}/dev/null" ]
 700 then
 701         echo -ne "${BAD}>>${NORMAL}${BOLD} ERROR: your real /dev is missing files required to boot (console and null)${NORMAL}"
 702 elif [ -e /etc/initrd.splash -a ! -e "${CHROOT}/dev/tty1" ]
 703 then
 704         echo -ne "${BAD}>>${NORMAL}${BOLD} ERROR: your real /dev is missing tty1, which is required for splash${NORMAL}"
 705 fi
 706
 707 cd "${CHROOT}"
 708 mkdir "${CHROOT}/proc" "${CHROOT}/sys" 2>/dev/null
 709 echo -ne "${BOLD}.${NORMAL}"
 710 umount /sys || echo '*: Failed to unmount the ramdisk /sys!'
 711 umount /proc || echo '*: Failed to unmount the ramdisk /proc!'
 712 echo -e "${BOLD}.${NORMAL}"
 713
 714 exec /sbin/switch_root -c "/dev/console" "${CHROOT}" "${REAL_INIT:-/sbin/init}" "${INIT_OPTS}"
 715
 716 # If we get here, something bad has happened
 717 splash 'verbose'
 718
 719 echo 'A fatal error has probably occured since /sbin/init did not'
 720 echo 'boot correctly. Trying to open a shell...'
 721 echo
 722 exec /bin/bash
 723 exec /bin/sh
 724 exec /bin/ash
 725 exec sh