ci/gen-kernel-build.sh

   1 #!/bin/bash
   2 #
   3 # Jailhouse, a Linux-based partitioning hypervisor
   4 #
   5 # Copyright (c) Siemens AG, 2014-2016
   6 #
   7 # Authors:
   8 #  Jan Kiszka <jan.kiszka@siemens.com>
   9 #
  10 # This work is licensed under the terms of the GNU GPL, version 2.  See
  11 # the COPYING file in the top-level directory.
  12 #
  13
  14 BASEDIR=`cd \`dirname $0\`; pwd`
  15
  16 if test -z $KERNEL; then
  17         KERNEL=https://www.kernel.org/pub/linux/kernel/v4.x/linux-4.4.tar.xz
  18 fi
  19 if test -z $PARALLEL_BUILD; then
  20         PARALLEL_BUILD=-j16
  21 fi
  22 if test -z $OUTDIR; then
  23         OUTDIR=$BASEDIR/out
  24 fi
  25
  26 prepare_out()
  27 {
  28         rm -rf $OUTDIR
  29         mkdir -p $OUTDIR
  30         cd $OUTDIR
  31 }
  32
  33 prepare_kernel()
  34 {
  35         ARCHIVE_FILE=`basename $KERNEL`
  36         if ! test -f $BASEDIR/$ARCHIVE_FILE; then
  37                 wget $KERNEL -O $BASEDIR/$ARCHIVE_FILE
  38         fi
  39         tar xJf $BASEDIR/$ARCHIVE_FILE
  40         ln -s linux-* linux
  41         cd linux
  42 }
  43
  44 build_kernel()
  45 {
  46         mkdir build-$1
  47         cp $BASEDIR/kernel-config-$1 build-$1/.config
  48         make O=build-$1 vmlinux $PARALLEL_BUILD ARCH=$2 CROSS_COMPILE=$3
  49         # clean up some unneeded build output
  50         find build-$1 \( -name "*.o" -o -name "*.cmd" -o -name ".tmp_*" \) -exec rm -rf {} \;
  51 }
  52
  53 package_out()
  54 {
  55         cd $OUTDIR
  56         tar cJf kernel-build.tar.xz linux-* linux
  57 }
  58
  59 prepare_out
  60 prepare_kernel
  61 build_kernel x86 x86_64
  62 build_kernel banana-pi arm arm-linux-gnueabihf-
  63 build_kernel vexpress arm arm-linux-gnueabihf-
  64 package_out