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#!/sbin/openrc-run
# Copyright 1999-2018 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# Enable automatic non-native program execution by the kernel.
# Defaulting to OC should be safe because it comes down to:
# - do we trust the interp itself to not be malicious? yes; we built it.
# - do we trust the programs we're running? ish; same permission as native
# binaries apply. so if user can do bad stuff natively, cross isn't worse.
: ${QEMU_BINFMT_FLAGS:=OC}
depend() {
after procfs
}
start() {
ebegin "Registering qemu-user binaries (flags: ${QEMU_BINFMT_FLAGS})"
if [ ! -d /proc/sys/fs/binfmt_misc ] ; then
modprobe -q binfmt_misc
fi
if [ ! -d /proc/sys/fs/binfmt_misc ] ; then
eend 1 "You need support for 'misc binaries' in your kernel!"
return
fi
if [ ! -f /proc/sys/fs/binfmt_misc/register ] ; then
mount -t binfmt_misc -o nodev,noexec,nosuid \
binfmt_misc /proc/sys/fs/binfmt_misc >/dev/null 2>&1
eend $? || return
fi
# Probe the native cpu type so we don't try registering them.
local cpu="$(uname -m)"
case "${cpu}" in
armv[4-9]*)
cpu="arm"
;;
i386|i486|i586|i686|i86pc|BePC|x86_64)
cpu="i386"
;;
m68k)
cpu="m68k"
;;
mips*)
cpu="mips"
;;
"Power Macintosh"|ppc|ppc64)
cpu="ppc"
;;
s390*)
cpu="s390"
;;
sh*)
cpu="sh"
;;
sparc*)
cpu="sparc"
;;
esac
# Register the interpreter for each cpu except for the native one.
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