Le 25/02/2016 à 17:28, Laurent Vivier a écrit : > Please, Alex, Michael: > > We need your ack/review.
Someone? :) Thanks, Laurent > 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 >>>> >> >