grub/tests/util/grub-shell.in
2010-01-14 18:39:12 +05:30

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#! /bin/bash -e
# Run GRUB script in a Qemu instance
# Copyright (C) 1999,2000,2001,2002,2003,2004,2005,2006,2007,2008,2009 Free Software Foundation, Inc.
#
# GRUB is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# GRUB is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
# Initialize some variables.
transform="@program_transform_name@"
prefix=@prefix@
exec_prefix=@exec_prefix@
bindir=@bindir@
libdir=@libdir@
builddir=@builddir@
PACKAGE_NAME=@PACKAGE_NAME@
PACKAGE_TARNAME=@PACKAGE_TARNAME@
PACKAGE_VERSION=@PACKAGE_VERSION@
target_cpu=@target_cpu@
# Force build directory components
PATH=${builddir}:$PATH
export PATH
# Usage: usage
# Print the usage.
usage () {
cat <<EOF
Usage: $0 [OPTION] [SOURCE]
Run GRUB script in a Qemu instance.
-h, --help print this message and exit
-v, --version print the version information and exit
--boot=[fd|hd|cd] boot method for Qemu instance
--modules=MODULES pre-load specified modules MODULES
--qemu-opts=OPTIONS extra options to pass to Qemu instance
$0 runs input GRUB script or SOURCE file in a Qemu instance and prints
its output.
Report bugs to <bug-grub@gnu.org>.
EOF
}
# Check the arguments.
for option in "$@"; do
case "$option" in
-h | --help)
usage
exit 0 ;;
-v | --version)
echo "$0 (GNU GRUB ${PACKAGE_VERSION})"
exit 0 ;;
--modules=*)
ms=`echo "$option" | sed -e 's/--modules=//' -e 's/,/ /g'`
modules="$modules $ms" ;;
--qemu-opts=*)
qs=`echo "$option" | sed -e 's/--qemu-opts=//'`
qemuopts="$qemuopts $qs" ;;
--boot=*)
dev=`echo "$option" | sed -e 's/--boot=//'`
if [ "$dev" = "fd" ] ; then bootdev=a;
elif [ "$dev" = "hd" ] ; then bootdev=c;
elif [ "$dev" = "cd" ] ; then bootdev=d;
else
echo "Unrecognized boot method \`$dev'" 1>&2
usage
exit 1
fi ;;
-*)
echo "Unrecognized option \`$option'" 1>&2
usage
exit 1 ;;
*)
if [ "x${source}" != x ] ; then
echo "too many parameters at the end" 1>&2
usage
exit 1
fi
source="${option}" ;;
esac
done
if [ "x${source}" = x ] ; then
tmpfile=`mktemp`
while read; do
echo $REPLY >> ${tmpfile}
done
source=${tmpfile}
fi
if [ "x${bootdev}" = x ] ; then
bootdev=c # default is boot as disk image
fi
cfgfile=`mktemp`
cat <<EOF >${cfgfile}
grubshell=yes
insmod serial
serial
terminal_input serial
terminal_output serial
EOF
for mod in ${modules}
do
echo "insmod ${mod}" >> ${cfgfile}
done
cat <<EOF >>${cfgfile}
source /boot/grub/testcase.cfg
halt
EOF
isofile=`mktemp`
grub-mkrescue --output=${isofile} --override-directory=${builddir} \
/boot/grub/grub.cfg=${cfgfile} /boot/grub/testcase.cfg=${source} \
>/dev/null 2>&1
hdafile=`mktemp`
cp ${isofile} ${hdafile}
fdafile=`mktemp`
cp ${isofile} ${fdafile}
outfile=`mktemp`
qemu-system-i386 ${qemuopts} -nographic -serial stdio -hda ${hdafile} -fda ${fdafile} -cdrom ${isofile} -boot ${bootdev} | tr -d "\r" >${outfile}
cat $outfile
rm -f ${tmpfile} ${outfile} ${cfgfile} ${isofile} ${hdafile} ${fdafile}
exit 0