65 lines
1.4 KiB
Plaintext
65 lines
1.4 KiB
Plaintext
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#!/sbin/openrc-run
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# Copyright 1999-2017 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# Enable automatic non-native program execution by the kernel.
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# Defaulting to OC should be safe because it comes down to:
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# - do we trust the interp itself to not be malicious? yes; we built it.
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# - do we trust the programs we're running? ish; same permission as native
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# binaries apply. so if user can do bad stuff natively, cross isn't worse.
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: ${QEMU_BINFMT_FLAGS:=OC}
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depend() {
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after procfs
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}
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start() {
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ebegin "Registering qemu-user binaries (flags: ${QEMU_BINFMT_FLAGS})"
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if [ ! -d /proc/sys/fs/binfmt_misc ] ; then
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modprobe -q binfmt_misc
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fi
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if [ ! -d /proc/sys/fs/binfmt_misc ] ; then
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eend 1 "You need support for 'misc binaries' in your kernel!"
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return
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fi
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if [ ! -f /proc/sys/fs/binfmt_misc/register ] ; then
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mount -t binfmt_misc -o nodev,noexec,nosuid \
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binfmt_misc /proc/sys/fs/binfmt_misc >/dev/null 2>&1
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eend $? || return
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fi
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# Probe the native cpu type so we don't try registering them.
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local cpu="$(uname -m)"
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case "${cpu}" in
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armv[4-9]*)
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cpu="arm"
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;;
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i386|i486|i586|i686|i86pc|BePC|x86_64)
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cpu="i386"
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;;
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m68k)
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cpu="m68k"
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;;
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mips*)
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cpu="mips"
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;;
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"Power Macintosh"|ppc|ppc64)
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cpu="ppc"
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;;
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s390*)
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cpu="s390"
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;;
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sh*)
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cpu="sh"
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;;
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sparc*)
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cpu="sparc"
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;;
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esac
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# Register the interpreter for each cpu except for the native one.
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