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grub/tests/util/grub-shell.in
Glenn Washburn 995a745c28 tests/util/grub-shell: Only show grub-mkrescue output if it returns an error 
The previous behavior ignored an error and the output from grub-mkrescue.
This made it difficult to discover that grub-mkrescue was the reason that
tests which rely on grub-shell were failing. Even after discovering
grub-mkrescue was the culprit, there was no output to indicate why it was
failing. It turns out that grub-mkrescue is a thin wrapper around xorriso.
So if you do not have xorriso installed it will fail with an error message
about not being able to find xorriso.

This change will allow grub-mkrescue output to be written to stderr, only
if grub-mkrescue fails. If grub-mkrescue succeeds, there will be no output
from grub-mkrescue so as not to interfere with the functioning of tests.
This change should have no effect on the running of tests or other uses of
grub-shell as it only modifies the error path.

Also, if grub-mkrescue fails, the script exits early. Since grub-shell
needs the ISO image created by grub-mkresue to boot the QEMU instance,
a failure here should be considered fatal.

Signed-off-by: Glenn Washburn <development@efficientek.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
2022-08-19 21:57:46 +02:00

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#! @BUILD_SHEBANG@
set -e
# Run GRUB script in a Qemu instance
# Copyright (C) 2009,2010 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.
prefix="@prefix@"
exec_prefix="@exec_prefix@"
datarootdir="@datarootdir@"
builddir="@builddir@"
srcdir="@srcdir@"
PACKAGE_NAME=@PACKAGE_NAME@
PACKAGE_TARNAME=@PACKAGE_TARNAME@
PACKAGE_VERSION=@PACKAGE_VERSION@
# Force build directory components
PATH="${builddir}:$PATH"
export PATH
trim=0
# 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|net] boot method for Qemu instance
--modules=MODULES pre-load specified modules MODULES
--qemu=FILE Name of qemu binary
--disk=FILE Attach FILE as a disk
--qemu-opts=OPTIONS extra options to pass to Qemu instance
--files=FILES add files to the image
--mkrescue-arg=ARGS additional arguments to grub-mkrescue
--timeout=SECONDS set timeout
--trim trim firmware output
$0 runs input GRUB script or SOURCE file in a Qemu instance and prints
its output.
Report bugs to <bug-grub@gnu.org>.
EOF
}
# Exec given argv and only show its output on STDERR if it returns an
# error status.
exec_show_error () {
v=`$@ 2>&1`
ret=$?
if [ "$ret" != 0 ]; then
echo "$v" >&2
exit $ret
fi
}
. "${builddir}/grub-core/modinfo.sh"
qemuopts="${GRUB_QEMU_OPTS}"
serial_port=com0
serial_null=
halt_cmd=halt
pseries=n
disk="hda "
case "${grub_modinfo_target_cpu}-${grub_modinfo_platform}" in
*-emu)
device_map=`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
boot=emu
console=console
disk=0
# To skip "Welcome to GRUB" and color setttings
trim=1
serial_port=
;;
powerpc-ieee1275)
boot=hd
qemu=qemu-system-ppc
console=console
serial_port=escc-ch-b
serial_null="-serial null"
netbootext=elf
trim=1
qemuopts="-M mac99,via=pmu $qemuopts"
;;
sparc64-ieee1275)
boot=cd
qemu=qemu-system-sparc64
console=
serial_port=ieee1275/ttya
trim=1
qemuopts="$qemuopts -no-reboot"
halt_cmd=reboot
;;
mips-qemu_mips)
boot=mips_qemu
qemu=qemu-system-mips
qemuopts="-M mips $qemuopts"
console=vga_text
;;
mips-arc)
boot=cd
qemu=qemu-system-mips64
qemuopts="-M indy $qemuopts"
serial_port=arc/serial0/line0
console=
trim=1
;;
mipsel-arc)
boot=cd
qemu=qemu-system-mips64el
qemuopts="-M magnum $qemuopts -no-reboot"
serial_port=arc/multi0/serial0
console=console
halt_cmd=reboot
trim=1
;;
mipsel-qemu_mips)
boot=mipsel_qemu
qemu=qemu-system-mipsel
qemuopts="-M mips $qemuopts"
console=vga_text
;;
mipsel-loongson)
boot=mipsel_fulong2e
qemu=qemu-system-mips64el
qemuopts="-M fulong2e $qemuopts"
console=
trim=1
;;
i386-coreboot)
boot=coreboot
qemu=qemu-system-i386
console=vga_text
;;
i386-multiboot)
boot=cd
qemu=qemu-system-i386
console=vga_text;;
i386-ieee1275)
boot=hd
qemu=qemu-system-i386
console=console
trim=1
disk="hdb "
;;
i386-qemu)
boot=qemu
qemu=qemu-system-i386
console=vga_text;;
i386-pc)
boot=cd
qemu=qemu-system-i386
console=console
netbootext=0
;;
i386-efi)
qemu=qemu-system-i386
boot=cd
console=console
trim=1
qemuopts="-bios OVMF-ia32.fd $qemuopts"
;;
x86_64-efi)
qemu=qemu-system-x86_64
boot=cd
console=console
trim=1
qemuopts="-bios OVMF.fd $qemuopts"
;;
arm64-efi)
qemu=qemu-system-aarch64
boot=hd
console=console
trim=1
qemuopts="-machine virt -cpu cortex-a57 -bios /usr/share/qemu-efi/QEMU_EFI.fd $qemuopts"
disk="device virtio-blk-device,drive=hd1 -drive if=none,id=hd1,file="
serial_port=
;;
arm-efi)
qemu=qemu-system-arm
boot=hd
console=console
trim=1
qemuopts="-machine virt -bios /usr/share/ovmf-arm/QEMU_EFI.fd $qemuopts"
disk="device virtio-blk-device,drive=hd1 -drive if=none,id=hd1,file="
serial_port=efi0
;;
*)
boot=hd
qemu=qemu-system-i386
console=console;;
esac
timeout=60
mkimage_extra_arg=
# Check the arguments.
for option in "$@"; do
case "$option" in
-h | --help)
usage
exit 0 ;;
-v | --version)
echo "$0 (GNU GRUB ${PACKAGE_VERSION})"
exit 0 ;;
--trim)
trim=1
;;
--debug)
debug=1 ;;
--modules=*)
ms=`echo "$option" | sed -e 's/--modules=//' -e 's/,/ /g'`
modules="$modules $ms" ;;
--files=*)
fls=`echo "$option" | sed -e 's/--files=//' -e 's/,/ /g'`
files="$files $fls" ;;
--mkrescue-arg=*)
mkr=`echo "$option" | sed -e 's/--mkrescue-arg=//' -e 's/,/ /g'`
mkrescue_args="$mkrescue_args $mkr" ;;
--qemu=*)
qemu=`echo "$option" | sed -e 's/--qemu=//' -e 's/,/ /g'`;;
--pseries)
qemu=qemu-system-ppc64
serial_port=ieee1275/hvterm
serial_null=
qemuopts="$(echo $qemuopts | sed -E 's/-M [^ ]+//') -M pseries -no-reboot"
trim=1
pseries=y
;;
--qemu-opts=*)
qs=`echo "$option" | sed -e 's/--qemu-opts=//'`
qemuopts="$qemuopts $qs" ;;
--disk=*)
dsk=`echo "$option" | sed -e 's/--disk=//'`
if [ ${grub_modinfo_platform} = emu ]; then
echo "(hd$disk) $dsk" >> "$device_map"
disk="$((disk+1))"
else
if [ "$disk" = error ]; then
echo "Too many disks" 1>&2
exit 1;
fi
qemuopts="$qemuopts -$disk$dsk"
if [ "$disk" = "hda " ]; then
disk="hdb ";
elif [ "$disk" = "hdb " ]; then
# CDROM is hdc
disk="hdd "
elif [ "$disk" = "hdd " ]; then
# CDROM is hdc
disk=error
fi
fi
;;
--timeout=*)
timeout=`echo "$option" | sed -e 's/--timeout=//'`
;;
# Intentionally undocumented
--grub-mkimage-extra)
mkimage_extra_arg="$mkimage_extra_arg `argument $option "$@"`"; shift ;;
--grub-mkimage-extra=*)
mkimage_extra_arg="$mkimage_extra_arg `echo "$option" | sed 's/--grub-mkimage-extra=//'`" ;;
--boot=*)
dev=`echo "$option" | sed -e 's/--boot=//'`
if [ "$dev" = "fd" ] ; then boot=fd;
elif [ "$dev" = "hd" ] ; then boot=hd;
elif [ "$dev" = "cd" ] ; then boot=cd;
elif [ "$dev" = "net" ] ; then boot=net;
elif [ "$dev" = "qemu" ] ; then boot=qemu;
elif [ "$dev" = "coreboot" ] ; then boot=coreboot;
elif [ "$dev" = "mips_qemu" ] ; then boot=mips_qemu;
elif [ "$dev" = "mipsel_qemu" ] ; then boot=mipsel_qemu;
elif [ "$dev" = "mipsel_fulong2e" ] ; then boot=mipsel_fulong2e;
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${source}" = x ] ; then
tmpfile=`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
while read REPLY; do
echo "$REPLY" >> ${tmpfile}
done
source=${tmpfile}
fi
cfgfile=`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
cat <<EOF >${cfgfile}
grubshell=yes
enable_progress_indicator=0
export enable_progress_indicator
EOF
if [ "${grub_modinfo_platform}" != emu ]; then
echo insmod serial >>${cfgfile}
fi
if [ "${grub_modinfo_target_cpu}-${grub_modinfo_platform}" = powerpc-ieee1275 ]; then
echo insmod escc >>${cfgfile}
fi
if [ "${serial_port}" != "" ]; then
echo "serial ${serial_port}" >>${cfgfile}
term="serial_${serial_port}"
else
term=console
fi
cat <<EOF >>${cfgfile}
terminfo -g 1024x1024 ${term} dumb
terminal_input ${term}
terminal_output ${term}
EOF
trim_head=664cbea8-132f-4770-8aa4-1696d59ac35c
if [ $trim = 1 ]; then
echo "echo $trim_head" >>${cfgfile}
fi
rom_directory=`mktemp -d "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
for mod in ${modules}
do
echo "insmod ${mod}" >> ${cfgfile}
done
cat <<EOF >>${cfgfile}
source "\$prefix/testcase.cfg"
# Stop serial output to suppress "ACPI shutdown failed" error.
EOF
# Attempt to switch to console on i386-ieee1275 causes "screen not found" message
if [ x$console != x ] && [ x"${grub_modinfo_target_cpu}-${grub_modinfo_platform}" != xi386-ieee1275 ]; then
echo "terminal_output $console" >>${cfgfile}
fi
echo "${halt_cmd}" >>${cfgfile}
test -z "$debug" || echo "GRUB script: ${cfgfile}" >&2
test -z "$debug" || echo "GRUB testcase script: ${tmpfile}" >&2
test -z "$debug" || echo "Boot device: ${boot}" >&2
isofile=`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
test -z "$debug" || echo "GRUB ISO file: ${isofile}" >&2
test -z "$debug" || echo "GRUB ROM directory: ${rom_directory}" >&2
if test -z "$debug"; then
qemuopts="${qemuopts} -nographic -monitor file:/dev/null"
# SeaBIOS 1.11.0 added support for VGA emulation over a serial port. If
# this is configured in SeaBIOS, then -nographic causes some extra junk to
# end up on the serial console, which interferes with our tests. This
# workaround unfortunately causes qemu to issue a warning 'externally
# provided fw_cfg item names should be prefixed with "opt/"', but there
# doesn't seem to be a better option.
#
# SeaBIOS is used for i386, except on EFI.
if [ ${grub_modinfo_target_cpu} == 'i386' ] && [ ${grub_modinfo_platform} != 'efi' ]; then
qemuopts="${qemuopts} -fw_cfg name=etc/sercon-port,string=0"
fi
fi
if [ x$boot != xnet ] && [ x$boot != xemu ]; then
pkgdatadir="${builddir}" \
exec_show_error "${builddir}/grub-mkrescue" "--output=${isofile}" \
"--override-directory=${builddir}/grub-core" \
--rom-directory="${rom_directory}" \
--locale-directory="${srcdir}/po" \
--themes-directory="${srcdir}/themes" \
$mkimage_extra_arg ${mkrescue_args} \
"/boot/grub/grub.cfg=${cfgfile}" "/boot/grub/testcase.cfg=${source}" \
${files} || exit $?
fi
if [ x$boot = xhd ]; then
if [ "${grub_modinfo_target_cpu}-${grub_modinfo_platform}" = arm64-efi ] || [ "${grub_modinfo_target_cpu}-${grub_modinfo_platform}" = arm-efi ]; then
device="device virtio-blk-device,drive=hd0 -drive if=none,id=hd0,file="
elif [ "${grub_modinfo_target_cpu}-${grub_modinfo_platform}" = mips-arc ]; then
device="hdb "
else
device="hda "
fi
bootdev="-boot c"
fi
if [ x$boot = xcd ]; then
if [ "${grub_modinfo_target_cpu}-${grub_modinfo_platform}" = arm64-efi ] || [ "${grub_modinfo_target_cpu}-${grub_modinfo_platform}" = arm-efi ]; then
device="device virtio-blk-device,drive=cd0 -drive if=none,id=cd0,media=cdrom,file="
elif [ "${grub_modinfo_target_cpu}-${grub_modinfo_platform}" = powerpc-ieee1275 ] && [ x$pseries != xy ] ; then
device="-drive if=ide,media=cdrom,file="
else
device="cdrom "
fi
bootdev="-boot d"
fi
if [ x$boot = xfd ]; then
device="fda "
bootdev="-boot a"
fi
if [ x$boot = xqemu ]; then
bootdev="-bios ${rom_directory}/qemu.img"
device="cdrom "
fi
if [ x$boot = xmipsel_qemu ]; then
bootdev="-kernel ${rom_directory}/mipsel-qemu_mips.elf"
device="cdrom "
fi
if [ x$boot = xmipsel_fulong2e ]; then
bootdev="-kernel ${rom_directory}/mipsel-loongson.elf -append machtype=lemote-fuloong-2e"
device="cdrom "
fi
if [ x$boot = xmips_qemu ]; then
bootdev="-kernel ${rom_directory}/mips-qemu_mips.elf"
device="cdrom "
fi
if [ x$boot = xcoreboot ]; then
imgfile=`mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
cp "${GRUB_COREBOOT_ROM}" "${imgfile}"
"${GRUB_CBFSTOOL}" "${imgfile}" add-payload -f "${rom_directory}/coreboot.elf" -n fallback/payload
bootdev="-bios ${imgfile}"
device="cdrom "
test -z "$debug" || echo "Coreboot image: ${imgfile}" >&2
fi
if [ "${grub_modinfo_target_cpu}-${grub_modinfo_platform}" = mipsel-arc ]; then
case "$boot" in
hd)
bootdev="-global ds1225y.filename=$GRUB_QEMU_MAGNUM_NVRAM_DIR/disk" ;;
*)
bootdev="-global ds1225y.filename=$GRUB_QEMU_MAGNUM_NVRAM_DIR/cdrom";;
esac
fi
do_trim ()
{
if [ $trim = 1 ]; then
awk '{ if (have_head == 1) print $0; } /664cbea8-132f-4770-8aa4-1696d59ac35c/ { have_head=1; }'
else
cat
fi
}
copy_extra_files() {
_destdir="$1"
shift
# FIXME support '=' in file names
for _file in "$@"; do
_target="${_file%=*}"
_source="${_file#*=}"
[ -n "$_source" ] || _source="$_target"
_target="$_destdir/$_target"
_targetdir="$(dirname "$_target")"
[ -d "$_targetdir" ] || mkdir -p "$_targetdir"
cp "$_source" "$_target"
done
}
if [ x$boot = xnet ]; then
netdir=`mktemp -d "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX"` || exit 1
pkgdatadir="${builddir}" "${builddir}/grub-mknetdir" "--grub-mkimage=${builddir}/grub-mkimage" "--directory=${builddir}/grub-core" "--net-directory=$netdir" ${mkrescue_args} > /dev/null
cp "${cfgfile}" "$netdir/boot/grub/grub.cfg"
cp "${source}" "$netdir/boot/grub/testcase.cfg"
[ -z "$files" ] || copy_extra_files "$netdir" $files
timeout -s KILL $timeout "${qemu}" ${qemuopts} ${serial_null} -serial file:/dev/stdout -boot n -net "user,tftp=$netdir,bootfile=/boot/grub/${grub_modinfo_target_cpu}-${grub_modinfo_platform}/core.$netbootext" -net nic | cat | tr -d "\r" | do_trim
elif [ x$boot = xemu ]; then
rootdir="$(mktemp -d "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX")"
grubdir="$rootdir/boot/grub"
mkdir -p "$grubdir/fonts"
mkdir -p "$grubdir/themes"
mkdir -p "$grubdir/locale"
test -f "${builddir}/"unicode.pf2 && cp "${builddir}/"unicode.pf2 "$grubdir/fonts/unicode.pf2"
cp -R "${srcdir}/themes/starfield" "$grubdir/themes/starfield"
for file in "${srcdir}/po/"*.gmo; do
if [ -f "$file" ]; then
cp "$file" "$grubdir/locale/"
fi
done
cp "${cfgfile}" "$grubdir/grub.cfg"
cp "${source}" "$grubdir/testcase.cfg"
[ -z "$files" ] || copy_extra_files "$rootdir" $files
roottar="$(mktemp "${TMPDIR:-/tmp}/tmp.XXXXXXXXXX")"
(cd "$rootdir"; tar cf "$roottar" .)
"${builddir}/grub-core/grub-emu" -m "$device_map" --memdisk "$roottar" -r memdisk -d "/boot/grub" | tr -d "\r" | do_trim
test -n "$debug" || rm -rf "$rootdir"
test -n "$debug" || rm -f "$roottar"
else
timeout -s KILL $timeout "${qemu}" ${qemuopts} ${serial_null} -serial file:/dev/stdout -${device}"${isofile}" ${bootdev} | cat | tr -d "\r" | do_trim
fi
if [ x$boot = xcoreboot ]; then
test -n "$debug" || rm -f "${imgfile}"
fi
test -n "$debug" || rm -f "${isofile}"
test -n "$debug" || rm -rf "${rom_directory}"
test -n "$debug" || rm -f "${tmpfile}" "${cfgfile}"
exit 0
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