scripts/Make-KPkg

   1 #!/bin/bash
   2 #
   3 # author: hackbard@hackdaworld.dyndns.org
   4 #
   5 # create a kernel binary package
   6 #
   7
   8 config=""
   9 name=""
  10 builddir=""
  11 homedir=$PWD
  12
  13 while [ "$1" ] ; do
  14         case "$1" in
  15                 -config)        config=$2       ; shift 2 ;;
  16                 -name)          name=$2         ; shift 2 ;;
  17                 -dir)           builddir=$2     ; shift 2 ;;
  18                 *)
  19                         echo
  20                         echo "usage:"
  21                         echo
  22                         echo "-config <kernel config file>"
  23                         echo "-name <kernel name>"
  24                         echo "-dir <build dir>"
  25                         echo
  26                         exit 1 ;;
  27         esac
  28 done
  29
  30 . ./Config
  31
  32 if [ "$hdw_arch" != "ia32" ] ; then
  33         echo "warning: only ia32 supported by now"
  34         echo "hack me ... "
  35         exit 1
  36 fi
  37
  38 [ -z "$config" ] && config="./misc/arch/${hdw_arch}/linux.config"
  39 [ -z "$name" ] && name="custom-$hdw_arch"
  40 [ -z "$builddir" ] && builddir="/tmp"
  41
  42 if [ ! -f $config ] ; then
  43         echo "$config doesn't exist, aborting ..."
  44         exit 1
  45 fi
  46
  47 if [ ! -d $builddir ] ; then
  48         echo "$builddir doesn't exist, aborting ..."
  49         exit 1
  50 fi
  51
  52 kerpkg="`grep '^#\ \[D\]' ./packages/base/linux/linux | awk '{ print $3 }'`"
  53 kerver="`grep '^#\ \[V\]' ./packages/base/linux/linux | awk '{ print $3 }'`"
  54
  55 trg=$homedir/kernel-image-${kerver}_${name}.tar.bz2
  56 if [ -f $trg ] ; then
  57         echo "image $trg already exists, aborting ..."
  58         exit 1
  59 fi
  60
  61 [ ! -f ./download/base/linux/$kerpkg ] && ./scripts/Download -package linux
  62
  63 # backing up old kernel + modules
  64 kerbackup=no
  65 if [ -f /boot/vmlinuz_$kerver ] ; then
  66         mv /boot/vmlinuz_$kerver /boot/vmlinuz_${kerver}__orig
  67         kerbackup=yes
  68 fi
  69 modbackup=no
  70 if [ -d /lib/modules/$kerver ] ; then
  71         mv /lib/modules/$kerver /lib/modules/${kerver}__orig
  72         modbackup=yes
  73 fi
  74
  75 # build kernel & modules
  76 kerarch=${hdw_arch//ia32/i386}
  77 cp $config $builddir/linux.config
  78 rm -rf $builddir/linux-$kerver
  79 tar xfj ./download/base/linux/$kerpkg -C $builddir
  80 cd $builddir/linux-$kerver
  81 mv ../linux.config .config
  82 cd include && ln -sf asm-${kerarch} asm && cd ..
  83 yes "" | make oldconfig
  84 make bzImage modules modules_install
  85 cp arch/$kerarch/boot/bzImage /boot/vmlinuz_$kerver
  86 cp .config /boot/kernel-config-$kerver-$name
  87
  88 # create the package
  89 cd /
  90 tar --use-compress-program=bzip2 -cf $trg lib/modules/$kerver \
  91         boot/vmlinuz_$kerver /boot/kernel-config-$kerver-$name
  92
  93 cd $homedir
  94
  95 # restore kernel & modules
  96 rm -f /boot/vmlinuz_$kerver
  97 [ "$kerbackup" = "yes" ] && \
  98         mv /boot/vmlinuz_${kerver}__orig /boot/vmlinuz_$kerver
  99 rm -rf /lib/modules/$kerver
 100 [ "$modbackup" = "yes" ] && \
 101         mv /lib/modules/${kerver}__orig /lib/modules/$kerver
 102
 103 echo
 104 echo "done"
 105 echo