architecture/x86/boot/makeimages.sh

   1 #!/bin/sh
   2 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   3 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
   4 #
   5 # T2 SDE: target/bootdisk/arch/x86/makeimages.sh
   6 # Copyright (C) 2004 - 2005 The T2 SDE Project
   7 #
   8 # More information can be found in the files COPYING and README.
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; version 2 of the License. A copy of the
  13 # GNU General Public License can be found in the file COPYING.
  14 # --- T2-COPYRIGHT-NOTE-END ---
  15
  16 if [ "$1" = -reroot ] ; then
  17         echo "Old PATH: $PATH"
  18         PATH="../../sbin:../../bin:../../../sbin:../usr/bin:$PATH"
  19         echo "New PATH: $PATH"
  20         echo "Old LD_LIBRARY_PATH: $LD_LIBRARY_PATH"
  21         export LD_LIBRARY_PATH="../../lib:../../usr/lib:$LD_LIBRARY_PATH"
  22         LD_LIBRARY_PATH=${LD_LIBRARY_PATH%:}
  23         echo "New LD_LIBRARY_PATH: $LD_LIBRARY_PATH"
  24         shift
  25 fi
  26
  27 if [ "$1" = -combo ] ; then
  28         combo=1
  29 elif [ "$#" != 0 ] ; then
  30         echo "usage: $0 [-reroot] [-combo]"
  31         exit 1
  32 fi
  33
  34 tmpfile=`mktemp -p $PWD`
  35 tmpdir=$tmpfile.dir
  36 mkdir $tmpdir || exit 1
  37 rc=0
  38
  39 tmpdev=""
  40 for x in /dev/loop/* ; do
  41         if losetup $x $tmpfile 2> /dev/null ; then
  42                 tmpdev=$x ; break
  43         fi
  44 done
  45 if [ -z "$tmpdev" ] ; then
  46         echo "No free loopback device found!"
  47         rm -f $tmpfile ; rmdir $tmpdir
  48         exit 1
  49 fi
  50 echo "Using $tmpdev."
  51
  52 for image in initrd boot_144 boot_288
  53 do
  54         case ${image} in
  55                 initrd)
  56                         echo "Creating ${image}.gz ..."
  57                         size=4096 ;;
  58                 boot_144)
  59                         echo "Creating ${image}.img ..."
  60                         size=1440 ;;
  61                 boot_288)
  62                         echo "Creating ${image}.img ..."
  63                         size=2880 ;;
  64         esac
  65
  66         dd if=/dev/zero of=$tmpfile bs=1024 count=$size &> /dev/null
  67         losetup -d $tmpdev ; losetup $tmpdev $tmpfile || rc=1
  68         mke2fs -q $tmpdev &> /dev/null ; mount $tmpdev $tmpdir || rc=1
  69
  70         case ${image} in
  71                 initrd)
  72                         cp -a initrd/* $tmpdir || rc=1
  73                         ;;
  74
  75                 boot_144|boot_288)
  76                         cp -a boot/{vmlinuz,lilo-help.txt} $tmpdir || rc=1
  77                         if [ -f /boot/boot-text.b ]; then
  78                                 cp /boot/boot-text.b $tmpdir/boot.b || rc=1
  79                         fi
  80                         liloconf=lilo-conf-${image#boot_}
  81                         if [ $image = boot_288 -o "$combo" = 1 ] ; then
  82                                 cp initrd.gz $tmpdir || rc=1
  83                                 [ $image = boot_144 ] && liloconf=lilo-conf-1x2
  84                         fi
  85                         sed -e "s,/mnt/,$tmpdir/,g" \
  86                             -e "s,/dev/floppy/0,$tmpdev,;" \
  87                                 < boot/$liloconf > $tmpdir/lilo.conf || rc=1
  88                         lilo -C $tmpdir/lilo.conf > /dev/null || rc=1
  89                         ;;
  90         esac
  91
  92         umount $tmpdir
  93
  94         case ${image} in
  95                 initrd) gzip -9 < $tmpfile > $image.gz || rc=1 ;;
  96                 *)      cp $tmpfile $image.img || rc=1 ;;
  97         esac
  98 done
  99
 100 losetup -d $tmpdev
 101 rm -f $tmpfile
 102 rmdir $tmpdir
 103
 104 exit $rc
 105