diff options
Diffstat (limited to 'app-emulation/qemu/files/qemu-binfmt.initd.head')
| -rw-r--r-- | app-emulation/qemu/files/qemu-binfmt.initd.head | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/app-emulation/qemu/files/qemu-binfmt.initd.head b/app-emulation/qemu/files/qemu-binfmt.initd.head new file mode 100644 index 000000000000..858d5d745381 --- /dev/null +++ b/app-emulation/qemu/files/qemu-binfmt.initd.head @@ -0,0 +1,64 @@ +#!/sbin/openrc-run +# Copyright 1999-2017 Gentoo Foundation +# 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. |