xref: /freebsd/libexec/rc/rc.d/linux (revision c203bd70b5957f85616424b6fa374479372d06e3)
1#!/bin/sh
2#
3# $FreeBSD$
4#
5
6# PROVIDE: linux
7# REQUIRE: archdep
8# KEYWORD: nojail
9
10. /etc/rc.subr
11
12name="linux"
13desc="Enable Linux ABI"
14rcvar="linux_enable"
15start_cmd="${name}_start"
16stop_cmd=":"
17
18linux_start()
19{
20	local _emul_path _tmpdir
21	_emul_path="$(sysctl -n compat.linux.emul_path)"
22
23	load_kld -e 'linux(aout|elf)' linux
24	case `sysctl -n hw.machine_arch` in
25	amd64)
26		load_kld -e 'linux64elf' linux64
27		;;
28	esac
29	if [ -x ${_emul_path}/sbin/ldconfigDisabled ]; then
30		_tmpdir=`mktemp -d -t linux-ldconfig`
31		${_emul_path}/sbin/ldconfig -C ${_tmpdir}/ld.so.cache
32		if ! cmp -s ${_tmpdir}/ld.so.cache ${_emul_path}/etc/ld.so.cache; then
33			cat ${_tmpdir}/ld.so.cache > ${_emul_path}/etc/ld.so.cache
34		fi
35		rm -rf ${_tmpdir}
36	fi
37
38	# Linux uses the pre-pts(4) tty naming scheme.
39	load_kld pty
40
41	# Handle unbranded ELF executables by defaulting to ELFOSABI_LINUX.
42	if [ `sysctl -ni kern.elf64.fallback_brand` -eq "-1" ]; then
43		sysctl kern.elf64.fallback_brand=3 > /dev/null
44	fi
45
46	if [ `sysctl -ni kern.elf32.fallback_brand` -eq "-1" ]; then
47		sysctl kern.elf32.fallback_brand=3 > /dev/null
48	fi
49
50	if checkyesno linux_mounts_enable; then
51		mount -o nocover -t linprocfs linprocfs "${_emul_path}/proc"
52		mount -o nocover -t linsysfs linsysfs "${_emul_path}/sys"
53		mount -o nocover -t devfs devfs "${_emul_path}/dev"
54		mount -o nocover,linrdlnk -t fdescfs fdescfs "${_emul_path}/dev/fd"
55		mount -o nocover,mode=1777 -t tmpfs tmpfs "${_emul_path}/dev/shm"
56	fi
57}
58
59load_rc_config $name
60run_rc_command "$1"
61