146 lines
3.5 KiB
Bash
146 lines
3.5 KiB
Bash
#! /bin/bash -e
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# Run GRUB script in a Qemu instance
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# Copyright (C) 2009,2010 Free Software Foundation, Inc.
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#
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# GRUB is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# GRUB is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GRUB. If not, see <http://www.gnu.org/licenses/>.
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# Initialize some variables.
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transform="@program_transform_name@"
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prefix=@prefix@
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exec_prefix=@exec_prefix@
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bindir=@bindir@
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libdir=@libdir@
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builddir=@builddir@
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PACKAGE_NAME=@PACKAGE_NAME@
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PACKAGE_TARNAME=@PACKAGE_TARNAME@
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PACKAGE_VERSION=@PACKAGE_VERSION@
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target_cpu=@target_cpu@
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# Force build directory components
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PATH=${builddir}:$PATH
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export PATH
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# Usage: usage
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# Print the usage.
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usage () {
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cat <<EOF
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Usage: $0 [OPTION] [SOURCE]
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Run GRUB script in a Qemu instance.
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-h, --help print this message and exit
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-v, --version print the version information and exit
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--boot=[fd|hd|cd] boot method for Qemu instance
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--modules=MODULES pre-load specified modules MODULES
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--qemu-opts=OPTIONS extra options to pass to Qemu instance
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$0 runs input GRUB script or SOURCE file in a Qemu instance and prints
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its output.
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Report bugs to <bug-grub@gnu.org>.
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EOF
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}
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# Check the arguments.
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for option in "$@"; do
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case "$option" in
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-h | --help)
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usage
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exit 0 ;;
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-v | --version)
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echo "$0 (GNU GRUB ${PACKAGE_VERSION})"
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exit 0 ;;
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--modules=*)
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ms=`echo "$option" | sed -e 's/--modules=//' -e 's/,/ /g'`
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modules="$modules $ms" ;;
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--qemu-opts=*)
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qs=`echo "$option" | sed -e 's/--qemu-opts=//'`
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qemuopts="$qemuopts $qs" ;;
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--boot=*)
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dev=`echo "$option" | sed -e 's/--boot=//'`
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if [ "$dev" = "fd" ] ; then bootdev=a;
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elif [ "$dev" = "hd" ] ; then bootdev=c;
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elif [ "$dev" = "cd" ] ; then bootdev=d;
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else
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echo "Unrecognized boot method \`$dev'" 1>&2
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usage
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exit 1
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fi ;;
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-*)
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echo "Unrecognized option \`$option'" 1>&2
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usage
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exit 1 ;;
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*)
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if [ "x${source}" != x ] ; then
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echo "too many parameters at the end" 1>&2
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usage
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exit 1
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fi
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source="${option}" ;;
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esac
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done
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if [ "x${source}" = x ] ; then
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tmpfile=`mktemp`
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while read; do
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echo $REPLY >> ${tmpfile}
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done
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source=${tmpfile}
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fi
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if [ "x${bootdev}" = x ] ; then
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bootdev=c # default is boot as disk image
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fi
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cfgfile=`mktemp`
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cat <<EOF >${cfgfile}
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grubshell=yes
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insmod serial
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serial
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terminal_input serial
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terminal_output serial
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EOF
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for mod in ${modules}
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do
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echo "insmod ${mod}" >> ${cfgfile}
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done
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cat <<EOF >>${cfgfile}
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source /boot/grub/testcase.cfg
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halt
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EOF
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isofile=`mktemp`
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grub-mkrescue --grub-mkimage=${builddir}/grub-mkimage --output=${isofile} \
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--override-directory=${builddir} \
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/boot/grub/grub.cfg=${cfgfile} /boot/grub/testcase.cfg=${source} \
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>/dev/null 2>&1
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hdafile=`mktemp`
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cp ${isofile} ${hdafile}
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fdafile=`mktemp`
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cp ${isofile} ${fdafile}
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outfile=`mktemp`
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qemu-system-i386 ${qemuopts} -nographic -hda ${hdafile} -fda ${fdafile} -cdrom ${isofile} -boot ${bootdev} | tr -d "\r" >${outfile}
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cat $outfile
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rm -f ${tmpfile} ${outfile} ${cfgfile} ${isofile} ${hdafile} ${fdafile}
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exit 0
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