tools/make-cd.sh

   1 #!/usr/bin/env sh
   2 # Make a Marionette CD image
   3
   4 KERNEL=build/kernel/kernel.elf
   5 MODS="build/kernel/testmodule.ko"
   6 CDDIR=cdrom
   7 GRUBDIR=/usr/lib/grub/i386-pc
   8 OUTPUT=cdrom.iso
   9
  10 # create directory if it doesn't exist - die on failure
  11 mkdir_e(){
  12     [ -d "$1" ] || mkdir -v "$1" || die "failed to create directory $1"
  13 }
  14
  15 die(){
  16     echo $*
  17     exit 1
  18 }
  19
  20 [ "$1" == "--help" ] && {
  21     echo "Usage: $0"
  22     echo "(This command takes no arguments)"
  23     echo ""
  24     echo "Creates a bootable CD image for Marionette."
  25     echo "Requires mkisofs and GRUB"
  26     echo ""
  27     echo "Please edit this script to alter the settings."
  28     echo ""
  29     echo "CD-ROM directory: $CDDIR"
  30     echo "GRUB files in: $GRUBDIR"
  31     echo "Kernel image: $KERNEL"
  32     echo "Output ISO image: $OUTPUT"
  33     exit 0
  34 }
  35
  36 mkdir_e "$CDDIR"
  37 mkdir_e "$CDDIR/boot"
  38 mkdir_e "$CDDIR/boot/grub"
  39
  40 if [ ! -f "$CDDIR/boot/grub/stage2_eltorito" ]
  41 then
  42     STAGE2="$GRUBDIR/stage2_eltorito"
  43     if [ -f "$STAGE2" -a -r "$STAGE2" ]
  44     then
  45         cp -v "$GRUBDIR/stage2_eltorito" "$CDDIR/boot/grub/" || die "failed to copy $STAGE2"
  46     else
  47         # try to download it
  48         echo "$STAGE2 does not exist, is not a file, or is not readable. Attempting to download it."
  49         wget "http://xlq-experiment.com/marionette/res/stage2_eltorito" -O "$CDDIR/boot/grub/stage2_eltorito" \
  50             || die "$STAGE2 does not exist, and I couldn't download it."
  51     fi
  52 fi
  53
  54 # install a file into the CD image
  55 insfile(){
  56     [ -f "$1" ] || die "$1 does not exist. Maybe you forgot to build it?"
  57     cp -v "$1" "$CDDIR/boot/" || die "could not install $1"
  58 }
  59
  60 insfile "$KERNEL"
  61
  62 for i in $MODS
  63 do
  64     insfile "$i"
  65 done
  66
  67 cat > "$CDDIR/boot/grub/menu.lst" << EOF
  68 default 0
  69 timeout 3
  70
  71 title Marionette
  72 kernel /boot/kernel.elf
  73 module /boot/testmodule.ko
  74
  75 title Boot from hard disk
  76 chainloader (hd0)+1
  77 EOF
  78
  79 mkisofs -R -b boot/grub/stage2_eltorito -no-emul-boot -boot-load-size 4 \
  80         -boot-info-table -A "Marionette CD" -o "$OUTPUT" "$CDDIR" \
  81         || die "failed to create the CD image"
  82
  83 echo "Your CD image ($OUTPUT) awaits."