1#!/bin/bash
2#
3# Build a kvm-ready Linux kernel from the tree in the current directory.
4#
5# Usage: kvm-build.sh config-template build-dir
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12# This program is distributed in the hope that it will be useful,
13# but WITHOUT ANY WARRANTY; without even the implied warranty of
14# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15# GNU General Public License for more details.
16#
17# You should have received a copy of the GNU General Public License
18# along with this program; if not, you can access it online at
19# http://www.gnu.org/licenses/gpl-2.0.html.
20#
21# Copyright (C) IBM Corporation, 2011
22#
23# Authors: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
24
25config_template=${1}
26if test -z "$config_template" -o ! -f "$config_template" -o ! -r "$config_template"
27then
28	echo "kvm-build.sh :$config_template: Not a readable file"
29	exit 1
30fi
31builddir=${2}
32if test -z "$builddir" -o ! -d "$builddir" -o ! -w "$builddir"
33then
34	echo "kvm-build.sh :$builddir: Not a writable directory, cannot build into it"
35	exit 1
36fi
37
38T=/tmp/test-linux.sh.$$
39trap 'rm -rf $T' 0
40mkdir $T
41
42cp ${config_template} $T/config
43cat << ___EOF___ >> $T/config
44CONFIG_INITRAMFS_SOURCE="$TORTURE_INITRD"
45CONFIG_VIRTIO_PCI=y
46CONFIG_VIRTIO_CONSOLE=y
47___EOF___
48
49configinit.sh $T/config O=$builddir
50retval=$?
51if test $retval -gt 1
52then
53	exit 2
54fi
55ncpus=`cpus2use.sh`
56make O=$builddir -j$ncpus $TORTURE_KMAKE_ARG > $builddir/Make.out 2>&1
57retval=$?
58if test $retval -ne 0 || grep "rcu[^/]*": < $builddir/Make.out | egrep -q "Stop|Error|error:|warning:" || egrep -q "Stop|Error|error:" < $builddir/Make.out
59then
60	echo Kernel build error
61	egrep "Stop|Error|error:|warning:" < $builddir/Make.out
62	echo Run aborted.
63	exit 3
64fi
65