Please, Alex, Michael: We need your ack/review.
Thanks, Laurent Le 17/02/2016 10:59, Riku Voipio a écrit : > Hi, > > On 16 February 2016 at 00:47, Laurent Vivier <laur...@vivier.eu> wrote: >> Ping? > > It looks good to me. But I'd like to see some ack/review from > Alexander or Michael. > > Riku > >> Le 29/01/2016 17:07, Laurent Vivier a écrit : >>> Original qemu-binfmt-conf.h is only able to write configuration >>> into /proc/sys/fs/binfmt_misc, and the configuration is lost on reboot. >>> >>> This script can configure debian and systemd services to restore >>> configuration on reboot. Moreover, it is able to manage binfmt >>> credential and to configure the path of the interpreter. >>> >>> List of supported CPU is: >>> >>> i386 i486 alpha arm sparc32plus ppc ppc64 ppc64le >>> m68k mips mipsel mipsn32 mipsn32el mips64 mips64el >>> sh4 sh4eb s390x aarch64 >>> >>> Usage: qemu-binfmt-conf.sh [--qemu-path PATH][--debian][--systemd CPU] >>> [--help][--credential yes|no][--exportdir PATH] >>> >>> Configure binfmt_misc to use qemu interpreter >>> >>> --help: display this usage >>> --qemu-path: set path to qemu interpreter (/usr/local/bin) >>> --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 >>> --exportdir: define where to write configuration files >>> (default: /etc/binfmt.d or /usr/share/binfmts) >>> --credential: if yes, credential an security tokens are >>> calculated according to the binary to interpret >>> >>> To import templates with update-binfmts, use : >>> >>> sudo update-binfmts --importdir /usr/share/binfmts --import qemu-CPU >>> >>> To remove interpreter, use : >>> >>> sudo update-binfmts --package qemu-CPU --remove qemu-CPU >>> /usr/local/bin >>> >>> 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. >>> >>> Signed-off-by: Laurent Vivier <laur...@vivier.eu> >>> --- >>> v3: change subject to be shorter >>> fix typo >>> remove "!EOF", "echo -n" and "[ ... -o ... ]" >>> check cpu given by --systemd is in the list >>> v2: replace some ERRORS by WARNINGS to be able to use the script inside a >>> package build >>> check only the right to write in the directory, no need to be root >>> merge systemd and binfmt_misc configuration generation >>> s/qemu_generate_packages/qemu_generate_debian/ >>> add support of HOST_ARCH from debian, and update CPU families. >>> allow to use --exportdir with --systemd and update "Usage". >>> >>> scripts/qemu-binfmt-conf.sh | 389 >>> ++++++++++++++++++++++++++++++++++++-------- >>> 1 file changed, 320 insertions(+), 69 deletions(-) >>> mode change 100644 => 100755 scripts/qemu-binfmt-conf.sh >>> >>> diff --git a/scripts/qemu-binfmt-conf.sh b/scripts/qemu-binfmt-conf.sh >>> old mode 100644 >>> new mode 100755 >>> index 289b1a3..de4d1c1 >>> --- a/scripts/qemu-binfmt-conf.sh >>> +++ b/scripts/qemu-binfmt-conf.sh >>> @@ -1,72 +1,323 @@ >>> #!/bin/sh >>> # enable automatic i386/ARM/M68K/MIPS/SPARC/PPC/s390 program execution by >>> the kernel >>> >>> -# load the binfmt_misc module >>> -if [ ! -d /proc/sys/fs/binfmt_misc ]; then >>> - /sbin/modprobe binfmt_misc >>> -fi >>> -if [ ! -f /proc/sys/fs/binfmt_misc/register ]; then >>> - mount binfmt_misc -t binfmt_misc /proc/sys/fs/binfmt_misc >>> -fi >>> - >>> -# probe cpu type >>> -cpu=`uname -m` >>> -case "$cpu" in >>> - i386|i486|i586|i686|i86pc|BePC|x86_64) >>> - cpu="i386" >>> - ;; >>> - m68k) >>> - cpu="m68k" >>> - ;; >>> - mips*) >>> - cpu="mips" >>> - ;; >>> - "Power Macintosh"|ppc|ppc64) >>> - cpu="ppc" >>> - ;; >>> - armv[4-9]*) >>> - cpu="arm" >>> - ;; >>> -esac >>> - >>> -# register the interpreter for each cpu except for the native one >>> -if [ $cpu != "i386" ] ; then >>> - echo >>> ':i386:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x03\x00:\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/local/bin/qemu-i386:' >>> > /proc/sys/fs/binfmt_misc/register >>> - echo >>> ':i486:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x06\x00:\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/local/bin/qemu-i386:' >>> > /proc/sys/fs/binfmt_misc/register >>> -fi >>> -if [ $cpu != "alpha" ] ; then >>> - echo >>> ':alpha:M::\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x26\x90:\xff\xff\xff\xff\xff\xfe\xfe\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/local/bin/qemu-alpha:' >>> > /proc/sys/fs/binfmt_misc/register >>> -fi >>> -if [ $cpu != "arm" ] ; then >>> - echo >>> ':arm:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28\x00:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/local/bin/qemu-arm:' >>> > /proc/sys/fs/binfmt_misc/register >>> - echo >>> ':armeb:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x28:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/local/bin/qemu-armeb:' >>> > /proc/sys/fs/binfmt_misc/register >>> -fi >>> -if [ $cpu != "aarch64" ] ; then >>> - echo >>> ':aarch64:M::\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\xb7\x00:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/local/bin/qemu-aarch64:' >>> > /proc/sys/fs/binfmt_misc/register >>> -fi >>> -if [ $cpu != "sparc" ] ; then >>> - echo >>> ':sparc:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x02:\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/local/bin/qemu-sparc:' >>> > /proc/sys/fs/binfmt_misc/register >>> -fi >>> -if [ $cpu != "ppc" ] ; then >>> - echo >>> ':ppc:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x14:\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/local/bin/qemu-ppc:' >>> > /proc/sys/fs/binfmt_misc/register >>> -fi >>> -if [ $cpu != "m68k" ] ; then >>> - echo 'Please check cpu value and header information for m68k!' >>> - echo >>> ':m68k:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x04:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/local/bin/qemu-m68k:' >>> > /proc/sys/fs/binfmt_misc/register >>> -fi >>> -if [ $cpu != "mips" ] ; then >>> - # FIXME: We could use the other endianness on a MIPS host. >>> - echo >>> ':mips:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/local/bin/qemu-mips:' >>> > /proc/sys/fs/binfmt_misc/register >>> - echo >>> ':mipsel:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/local/bin/qemu-mipsel:' >>> > /proc/sys/fs/binfmt_misc/register >>> - echo >>> ':mipsn32:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/local/bin/qemu-mipsn32:' >>> > /proc/sys/fs/binfmt_misc/register >>> - echo >>> ':mipsn32el:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/local/bin/qemu-mipsn32el:' >>> > /proc/sys/fs/binfmt_misc/register >>> - echo >>> ':mips64:M::\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/local/bin/qemu-mips64:' >>> > /proc/sys/fs/binfmt_misc/register >>> - echo >>> ':mips64el:M::\x7fELF\x02\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00:\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/local/bin/qemu-mips64el:' >>> > /proc/sys/fs/binfmt_misc/register >>> -fi >>> -if [ $cpu != "sh" ] ; then >>> - echo >>> ':sh4:M::\x7fELF\x01\x01\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2a\x00:\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff:/usr/local/bin/qemu-sh4:' >>> > /proc/sys/fs/binfmt_misc/register >>> - echo >>> ':sh4eb:M::\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x2a:\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/local/bin/qemu-sh4eb:' >>> > /proc/sys/fs/binfmt_misc/register >>> -fi >>> -if [ $cpu != "s390x" ] ; then >>> - echo >>> ':s390x:M::\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x16:\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff:/usr/local/bin/qemu-s390x:' >>> > /proc/sys/fs/binfmt_misc/register >>> -fi >>> +qemu_target_list="i386 i486 alpha arm sparc32plus ppc ppc64 ppc64le m68k \ >>> +mips mipsel mipsn32 mipsn32el mips64 mips64el \ >>> +sh4 sh4eb s390x aarch64" >>> + >>> +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\xff\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\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff' >>> +i486_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\xff\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=arm >>> + >>> +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\xff\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\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff' >>> +sparc32plus_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\xfe\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\xff\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\xff\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\xff\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 >>> + >>> +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]*) >>> + echo "arm" >>> + ;; >>> + sparc*) >>> + echo "sparc" >>> + ;; >>> + *) >>> + echo "$cpu" >>> + ;; >>> + esac >>> +} >>> + >>> +usage() { >>> + cat <<EOF >>> +Usage: qemu-binfmt-conf.sh [--qemu-path PATH][--debian][--systemd CPU] >>> + [--help][--credential yes|no][--exportdir PATH] >>> + >>> + Configure binfmt_misc to use qemu interpreter >>> + >>> + --help: display this usage >>> + --qemu-path: set path to qemu interpreter ($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 >>> + --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 >>> + >>> + 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 "$EXPORTDIR" >>> +} >>> + >>> +qemu_generate_register() { >>> + echo ":qemu-$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 $mask >>> +EOF >>> + if [ "$FLAGS" = "OC" ] ; then >>> + echo "credentials yes" >> "$EXPORTDIR/qemu-$cpu" >>> + fi >>> +} >>> + >>> +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="$QEMU_PATH/qemu-i386" >>> + fi >>> + >>> + if [ "$host_family" != "$family" ] ; then >>> + $BINFMT_SET >>> + fi >>> + done >>> +} >>> + >>> +CHECK=qemu_check_bintfmt_misc >>> +BINFMT_SET=qemu_register_interpreter >>> + >>> +SYSTEMDDIR="/etc/binfmt.d" >>> +DEBIANDIR="/usr/share/binfmts" >>> + >>> +QEMU_PATH=/usr/local/bin >>> +FLAGS="" >>> + >>> +options=$(getopt -o ds:Q:e:hc: -l >>> debian,systemd:,qemu-path:,exportdir:,help,credential: -- "$@") >>> +eval set -- "$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 >>> + 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 >>> + ;; >>> + -Q|--qemu-path) >>> + shift >>> + QEMU_PATH="$1" >>> + ;; >>> + -e|--exportdir) >>> + shift >>> + EXPORTDIR="$1" >>> + ;; >>> + -h|--help) >>> + usage >>> + exit 1 >>> + ;; >>> + -c|--credential) >>> + shift >>> + if [ "$1" = "yes" ] ; then >>> + FLAGS="OC" >>> + else >>> + FLAGS="" >>> + fi >>> + ;; >>> + *) >>> + break >>> + ;; >>> + esac >>> + shift >>> +done >>> + >>> +$CHECK >>> +qemu_set_binfmts >>> >