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xemu/scripts/qemu-binfmt-conf.sh
Richard Henderson 7c81570d93 scripts/qemu-binfmt-conf: Update for sparc64 
Also note that we were missing the qemu_target_list entry
for plain sparc; fix that at the same time.

Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Tested-by: Laurent Vivier <laurent@vivier.eu>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20191106113318.10226-2-richard.henderson@linaro.org>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
2019-11-06 13:28:27 +01:00

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#!/bin/sh
# Enable automatic program execution by the kernel.
qemu_target_list="i386 i486 alpha arm armeb sparc sparc32plus sparc64 \
ppc ppc64 ppc64le m68k mips mipsel mipsn32 mipsn32el mips64 mips64el \
sh4 sh4eb s390x aarch64 aarch64_be hppa riscv32 riscv64 xtensa xtensaeb \
microblaze microblazeel or1k x86_64"
i386_magic='\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x03\x00'
i386_mask='\xff\xff\xff\xff\xff\xfe\xfe\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
i386_family=i386
i486_magic='\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x06\x00'
i486_mask='\xff\xff\xff\xff\xff\xfe\xfe\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
i486_family=i386
x86_64_magic='\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x3e\x00'
x86_64_mask='\xff\xff\xff\xff\xff\xfe\xfe\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
x86_64_family=i386
alpha_magic='\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x26\x90'
alpha_mask='\xff\xff\xff\xff\xff\xfe\xfe\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
alpha_family=alpha
arm_magic='\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00'
arm_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
arm_family=arm
armeb_magic='\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28'
armeb_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
armeb_family=armeb
sparc_magic='\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x02'
sparc_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
sparc_family=sparc
sparc32plus_magic='\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x12'
sparc32plus_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
sparc32plus_family=sparc
sparc64_magic='\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2b'
sparc64_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
sparc64_family=sparc
ppc_magic='\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x14'
ppc_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
ppc_family=ppc
ppc64_magic='\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x15'
ppc64_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
ppc64_family=ppc
ppc64le_magic='\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x15\x00'
ppc64le_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\x00'
ppc64le_family=ppcle
m68k_magic='\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x04'
m68k_mask='\xff\xff\xff\xff\xff\xff\xfe\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
m68k_family=m68k
# FIXME: We could use the other endianness on a MIPS host.
mips_magic='\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08'
mips_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
mips_family=mips
mipsel_magic='\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00'
mipsel_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
mipsel_family=mips
mipsn32_magic='\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08'
mipsn32_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
mipsn32_family=mips
mipsn32el_magic='\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00'
mipsn32el_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
mipsn32el_family=mips
mips64_magic='\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08'
mips64_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
mips64_family=mips
mips64el_magic='\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00'
mips64el_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
mips64el_family=mips
sh4_magic='\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2a\x00'
sh4_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
sh4_family=sh4
sh4eb_magic='\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2a'
sh4eb_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
sh4eb_family=sh4
s390x_magic='\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x16'
s390x_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
s390x_family=s390x
aarch64_magic='\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xb7\x00'
aarch64_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
aarch64_family=arm
aarch64_be_magic='\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xb7'
aarch64_be_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
aarch64_be_family=armeb
hppa_magic='\x7f\x45\x4c\x46\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x0f'
hppa_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
hppa_family=hppa
riscv32_magic='\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xf3\x00'
riscv32_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
riscv32_family=riscv
riscv64_magic='\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xf3\x00'
riscv64_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
riscv64_family=riscv
xtensa_magic='\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x5e\x00'
xtensa_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
xtensa_family=xtensa
xtensaeb_magic='\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x5e'
xtensaeb_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
xtensaeb_family=xtensaeb
microblaze_magic='\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xba\xab'
microblaze_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
microblaze_family=microblaze
microblazeel_magic='\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xab\xba'
microblazeel_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff'
microblazeel_family=microblazeel
or1k_magic='\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x5c'
or1k_mask='\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff'
or1k_family=or1k
qemu_get_family() {
cpu=${HOST_ARCH:-$(uname -m)}
case "$cpu" in
amd64|i386|i486|i586|i686|i86pc|BePC|x86_64)
echo "i386"
;;
mips*)
echo "mips"
;;
"Power Macintosh"|ppc64|powerpc|ppc)
echo "ppc"
;;
ppc64el|ppc64le)
echo "ppcle"
;;
arm|armel|armhf|arm64|armv[4-9]*l|aarch64)
echo "arm"
;;
armeb|armv[4-9]*b|aarch64_be)
echo "armeb"
;;
sparc*)
echo "sparc"
;;
riscv*)
echo "riscv"
;;
*)
echo "$cpu"
;;
esac
}
usage() {
cat <<EOF
Usage: qemu-binfmt-conf.sh [--qemu-path PATH][--debian][--systemd CPU]
[--help][--credential yes|no][--exportdir PATH]
[--persistent yes|no][--qemu-suffix SUFFIX]
Configure binfmt_misc to use qemu interpreter
--help: display this usage
--qemu-path: set path to qemu interpreter ($QEMU_PATH)
--qemu-suffix: add a suffix to the default interpreter name
--debian: don't write into /proc,
instead generate update-binfmts templates
--systemd: don't write into /proc,
instead generate file for systemd-binfmt.service
for the given CPU. If CPU is "ALL", generate a
file for all known cpus
--exportdir: define where to write configuration files
(default: $SYSTEMDDIR or $DEBIANDIR)
--credential: if yes, credential and security tokens are
calculated according to the binary to interpret
--persistent: if yes, the interpreter is loaded when binfmt is
configured and remains in memory. All future uses
are cloned from the open file.
To import templates with update-binfmts, use :
sudo update-binfmts --importdir ${EXPORTDIR:-$DEBIANDIR} --import qemu-CPU
To remove interpreter, use :
sudo update-binfmts --package qemu-CPU --remove qemu-CPU $QEMU_PATH
With systemd, binfmt files are loaded by systemd-binfmt.service
The environment variable HOST_ARCH allows to override 'uname' to generate
configuration files for a different architecture than the current one.
where CPU is one of:
$qemu_target_list
EOF
}
qemu_check_access() {
if [ ! -w "$1" ] ; then
echo "ERROR: cannot write to $1" 1>&2
exit 1
fi
}
qemu_check_bintfmt_misc() {
# load the binfmt_misc module
if [ ! -d /proc/sys/fs/binfmt_misc ]; then
if ! /sbin/modprobe binfmt_misc ; then
exit 1
fi
fi
if [ ! -f /proc/sys/fs/binfmt_misc/register ]; then
if ! mount binfmt_misc -t binfmt_misc /proc/sys/fs/binfmt_misc ; then
exit 1
fi
fi
qemu_check_access /proc/sys/fs/binfmt_misc/register
}
installed_dpkg() {
dpkg --status "$1" > /dev/null 2>&1
}
qemu_check_debian() {
if [ ! -e /etc/debian_version ] ; then
echo "WARNING: your system is not a Debian based distro" 1>&2
elif ! installed_dpkg binfmt-support ; then
echo "WARNING: package binfmt-support is needed" 1>&2
fi
qemu_check_access "$EXPORTDIR"
}
qemu_check_systemd() {
if ! systemctl -q is-enabled systemd-binfmt.service ; then
echo "WARNING: systemd-binfmt.service is missing or disabled" 1>&2
fi
qemu_check_access "$EXPORTDIR"
}
qemu_generate_register() {
flags=""
if [ "$CREDENTIAL" = "yes" ] ; then
flags="OC"
fi
if [ "$PERSISTENT" = "yes" ] ; then
flags="${flags}F"
fi
echo ":qemu-$cpu:M::$magic:$mask:$qemu:$flags"
}
qemu_register_interpreter() {
echo "Setting $qemu as binfmt interpreter for $cpu"
qemu_generate_register > /proc/sys/fs/binfmt_misc/register
}
qemu_generate_systemd() {
echo "Setting $qemu as binfmt interpreter for $cpu for systemd-binfmt.service"
qemu_generate_register > "$EXPORTDIR/qemu-$cpu.conf"
}
qemu_generate_debian() {
cat > "$EXPORTDIR/qemu-$cpu" <<EOF
package qemu-$cpu
interpreter $qemu
magic $magic
mask $mask
credential $CREDENTIAL
EOF
}
qemu_set_binfmts() {
# probe cpu type
host_family=$(qemu_get_family)
# register the interpreter for each cpu except for the native one
for cpu in ${qemu_target_list} ; do
magic=$(eval echo \$${cpu}_magic)
mask=$(eval echo \$${cpu}_mask)
family=$(eval echo \$${cpu}_family)
if [ "$magic" = "" ] || [ "$mask" = "" ] || [ "$family" = "" ] ; then
echo "INTERNAL ERROR: unknown cpu $cpu" 1>&2
continue
fi
qemu="$QEMU_PATH/qemu-$cpu"
if [ "$cpu" = "i486" ] ; then
qemu="$QEMU_PATH/qemu-i386"
fi
qemu="$qemu$QEMU_SUFFIX"
if [ "$host_family" != "$family" ] ; then
$BINFMT_SET
fi
done
}
CHECK=qemu_check_bintfmt_misc
BINFMT_SET=qemu_register_interpreter
SYSTEMDDIR="/etc/binfmt.d"
DEBIANDIR="/usr/share/binfmts"
QEMU_PATH=/usr/local/bin
CREDENTIAL=no
PERSISTENT=no
QEMU_SUFFIX=""
options=$(getopt -o ds:Q:S:e:hc:p: -l debian,systemd:,qemu-path:,qemu-suffix:,exportdir:,help,credential:,persistent: -- "$@")
eval set -- "$options"
while true ; do
case "$1" in
-d|--debian)
CHECK=qemu_check_debian
BINFMT_SET=qemu_generate_debian
EXPORTDIR=${EXPORTDIR:-$DEBIANDIR}
;;
-s|--systemd)
CHECK=qemu_check_systemd
BINFMT_SET=qemu_generate_systemd
EXPORTDIR=${EXPORTDIR:-$SYSTEMDDIR}
shift
# check given cpu is in the supported CPU list
if [ "$1" != "ALL" ] ; then
for cpu in ${qemu_target_list} ; do
if [ "$cpu" = "$1" ] ; then
break
fi
done
if [ "$cpu" = "$1" ] ; then
qemu_target_list="$1"
else
echo "ERROR: unknown CPU \"$1\"" 1>&2
usage
exit 1
fi
fi
;;
-Q|--qemu-path)
shift
QEMU_PATH="$1"
;;
-F|--qemu-suffix)
shift
QEMU_SUFFIX="$1"
;;
-e|--exportdir)
shift
EXPORTDIR="$1"
;;
-h|--help)
usage
exit 1
;;
-c|--credential)
shift
CREDENTIAL="$1"
;;
-p|--persistent)
shift
PERSISTENT="$1"
;;
*)
break
;;
esac
shift
done
$CHECK
qemu_set_binfmts
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