gpxe/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: $0 foo.iso foo.lkrn ...
  13         exit 1
  14         ;;
  15 esac
  16 # This should be the default location of the isolinux.bin file
  17 isolinux_bin=${ISOLINUX_BIN:-util/isolinux.bin}
  18 if [ ! -r $isolinux_bin ]
  19 then
  20         echo $0: $isolinux_bin not found, please install, or set ISOLINUX_BIN in arch/i386/config correctly
  21         exit 1
  22 fi
  23 out=$1
  24 shift
  25 dir=bin/iso.dir
  26 mkdir -p $dir
  27 cfg=$dir/isolinux.cfg
  28 cp -p $isolinux_bin $dir
  29 cat > $cfg <<EOF
  30 # These default options can be changed in the geniso script
  31 SAY Etherboot ISO boot image generated by geniso
  32 TIMEOUT 30
  33 EOF
  34 first=
  35 for f
  36 do
  37         if [ ! -r $f ]
  38         then
  39                 echo $f does not exist, skipping 1>&2
  40                 continue
  41         fi
  42         b=$(basename $f)
  43         g=${b%.lkrn}
  44         g=${g//[^a-z0-9]}.krn
  45         case "$first" in
  46         "")
  47                 echo DEFAULT $g
  48                 ;;
  49         esac
  50         first=$g
  51         echo LABEL $b
  52         echo "" KERNEL $g
  53         cp -p $f $dir/$g
  54 done >> $cfg
  55 mkisofs -l -o $out -c boot.cat -b isolinux.bin -no-emul-boot -boot-load-size 4 -boot-info-table $dir
  56 rm -fr $dir