src/util/geniso

   1 #!/bin/bash
   2 #
   3 # Generate a isolinux ISO boot image
   4 #
   5 # geniso foo.iso foo.lkrn
   6 #
   7 # the ISO image is the first argument so that a list of .lkrn images
   8 # to include can be specified
   9 #
  10 case $# in
  11 0|1)
  12         echo Usage: $0 foo.iso foo.lkrn ...
  13         exit 1
  14         ;;
  15 esac
  16
  17 # This should be the default location of the isolinux.bin file
  18 isolinux_bin=${ISOLINUX_BIN:-util/isolinux.bin}
  19 if [ ! -r $isolinux_bin ]
  20 then
  21         echo $0: $isolinux_bin not found, please install, or set ISOLINUX_BIN in arch/i386/Makefile correctly
  22         exit 1
  23 fi
  24
  25 # There should either be mkisofs or the compatible genisoimage program
  26 mkisofs=`which mkisofs genisoimage | head -n1`
  27 if [ -z $mkisofs ]
  28 then
  29         echo $0: mkisofs or genisoimage not found, please install or set PATH
  30         exit 1
  31 fi
  32
  33 out=$1
  34 shift
  35 dir=`mktemp -d bin/iso.dir.XXXXXX`
  36 cfg=$dir/isolinux.cfg
  37 cp -p $isolinux_bin $dir
  38 cat > $cfg <<EOF
  39 # These default options can be changed in the geniso script
  40 SAY Etherboot ISO boot image generated by geniso
  41 TIMEOUT 30
  42 EOF
  43 first=
  44 for f
  45 do
  46         if [ ! -r $f ]
  47         then
  48                 echo $f does not exist, skipping 1>&2
  49                 continue
  50         fi
  51         b=$(basename $f)
  52         g=${b%.lkrn}
  53         g=${g//[^a-z0-9]}.krn
  54         case "$first" in
  55         "")
  56                 echo DEFAULT $g
  57                 ;;
  58         esac
  59         first=$g
  60         echo LABEL $b
  61         echo "" KERNEL $g
  62         cp -p $f $dir/$g
  63 done >> $cfg
  64 $mkisofs -quiet -l -o $out -c boot.cat -b isolinux.bin -no-emul-boot -boot-load-size 4 -boot-info-table $dir
  65 rm -fr $dir