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