#!/bin/sh
-# enable automatic i386/ARM/M68K/MIPS/SPARC/PPC/s390/HPPA/Xtensa/microblaze
-# program execution by the kernel
+# Enable automatic program execution by the kernel.
qemu_target_list="i386 i486 alpha arm armeb sparc32plus ppc ppc64 ppc64le m68k \
mips mipsel mipsn32 mipsn32el mips64 mips64el \
-sh4 sh4eb s390x aarch64 aarch64_be hppa riscv32 riscv64 xtensa xtensaeb microblaze microblazeel"
+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'
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
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 "$cpu" in
cat <<EOF
Usage: qemu-binfmt-conf.sh [--qemu-path PATH][--debian][--systemd CPU]
[--help][--credential yes|no][--exportdir PATH]
+ [--persistent yes|no][--qemu-suffix SUFFIX]
Configure binfmt_misc to use qemu interpreter
- --help: display this usage
- --qemu-path: set path to qemu interpreter ($QEMU_PATH)
- --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 $DEBIANDIR)
- --credential: if yes, credential and security tokens are
- calculated according to the binary to interpret
+ --help: display this usage
+ --qemu-path: set path to qemu interpreter ($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 $DEBIANDIR)
+ --credential: if yes, credential and security tokens are
+ calculated according to the binary to interpret
+ --persistent: if yes, the interpreter is loaded when binfmt is
+ configured and remains in memory. All future uses
+ are cloned from the open file.
To import templates with update-binfmts, use :
}
qemu_generate_register() {
- echo ":qemu-$cpu:M::$magic:$mask:$qemu:$FLAGS"
+ 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() {
interpreter $qemu
magic $magic
mask $mask
+credential $CREDENTIAL
EOF
- if [ "$FLAGS" = "OC" ] ; then
- echo "credentials yes" >> "$EXPORTDIR/qemu-$cpu"
- fi
}
qemu_set_binfmts() {
qemu="$QEMU_PATH/qemu-i386"
fi
+ qemu="$qemu$QEMU_SUFFIX"
if [ "$host_family" != "$family" ] ; then
$BINFMT_SET
fi
DEBIANDIR="/usr/share/binfmts"
QEMU_PATH=/usr/local/bin
-FLAGS=""
+CREDENTIAL=no
+PERSISTENT=no
+QEMU_SUFFIX=""
-options=$(getopt -o ds:Q:e:hc: -l debian,systemd:,qemu-path:,exportdir:,help,credential: -- "$@")
+options=$(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
shift
QEMU_PATH="$1"
;;
+ -F|--qemu-suffix)
+ shift
+ QEMU_SUFFIX="$1"
+ ;;
-e|--exportdir)
shift
EXPORTDIR="$1"
;;
-c|--credential)
shift
- if [ "$1" = "yes" ] ; then
- FLAGS="OC"
- else
- FLAGS=""
- fi
+ CREDENTIAL="$1"
+ ;;
+ -p|--persistent)
+ shift
+ PERSISTENT="$1"
;;
*)
break