gpxe/src/util/genliso

   1 #!/bin/bash
   2 #
   3 # Generate a legacy floppy emulation ISO boot image
   4 #
   5 # genliso foo.liso foo.lkrn bar.lkrn ...
   6 #
   7 # The .liso image filename is the first argument followed by
   8 #   a list of .lkrn images  include in .liso image
   9
  10 case $# in
  11 0|1)
  12         echo Usage: $0 foo.liso foo.lkrn ...
  13         exit 1
  14         ;;
  15 esac
  16
  17 case "`mtools -V`" in
  18 Mtools\ version\ 3.9.9*|Mtools\ version\ 3.9.1[0-9]*|[mM]tools\ *\ [4-9].*)
  19         ;;
  20 *)
  21         echo Mtools version 3.9.9 or later is required
  22         exit 1
  23         ;;
  24 esac
  25
  26 out=$1
  27 shift
  28
  29 dir=`mktemp -d bin/liso.dir.XXXXXX`
  30
  31 img=$dir/boot.img
  32 mformat -f 1440 -C -i $img ::
  33
  34 cfg=$dir/syslinux.cfg
  35 cat > $cfg <<EOF
  36 # These default options can be changed in the genliso script
  37 SAY gPXE ISO boot image generated by genliso
  38 TIMEOUT 30
  39 EOF
  40
  41 first=
  42 for f
  43 do
  44         if [ ! -r $f ]
  45         then
  46                 echo $f does not exist, skipping 1>&2
  47                 continue
  48         fi
  49         # shorten name for 8.3 filesystem
  50         b=$(basename $f)
  51         g=${b%.lkrn}
  52         g=${g//[^a-z0-9]}
  53         g=${g:0:8}.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         mcopy -m -i $img $f ::$g
  63 done >> $cfg
  64
  65 mcopy -i $img $cfg ::syslinux.cfg
  66
  67 if ! syslinux $img
  68 then
  69         exit 1
  70 fi
  71
  72 mkisofs -q -o $out -c boot.cat -b boot.img $dir
  73
  74 rm -fr $dir