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="${name}_start"
16stop_cmd=":"
17
18linux_start()
19{
20	local _emul_path _tmpdir
21
22	load_kld -e 'linux(aout|elf)' linux
23	case `sysctl -n hw.machine_arch` in
24	amd64)
25		load_kld -e 'linux64elf' linux64
26		;;
27	esac
28
29	_emul_path="$(sysctl -n compat.linux.emul_path)"
30
31	if [ -x ${_emul_path}/sbin/ldconfigDisabled ]; then
32		_tmpdir=`mktemp -d -t linux-ldconfig`
33		${_emul_path}/sbin/ldconfig -C ${_tmpdir}/ld.so.cache
34		if ! cmp -s ${_tmpdir}/ld.so.cache ${_emul_path}/etc/ld.so.cache; then
35			cat ${_tmpdir}/ld.so.cache > ${_emul_path}/etc/ld.so.cache
36		fi
37		rm -rf ${_tmpdir}
38	fi
39
40	# Linux uses the pre-pts(4) tty naming scheme.
41	load_kld pty
42
43	# Handle unbranded ELF executables by defaulting to ELFOSABI_LINUX.
44	if [ `sysctl -ni kern.elf64.fallback_brand` -eq "-1" ]; then
45		sysctl kern.elf64.fallback_brand=3 > /dev/null
46	fi
47
48	if [ `sysctl -ni kern.elf32.fallback_brand` -eq "-1" ]; then
49		sysctl kern.elf32.fallback_brand=3 > /dev/null
50	fi
51
52	if checkyesno linux_mounts_enable; then 
53		mount -o nocover -t linprocfs linprocfs "${_emul_path}/proc"
54		mount -o nocover -t linsysfs linsysfs "${_emul_path}/sys"
55		mount -o nocover -t devfs devfs "${_emul_path}/dev"
56		mount -o nocover,linrdlnk -t fdescfs fdescfs "${_emul_path}/dev/fd"
57		mount -o nocover,mode=1777 -t tmpfs tmpfs "${_emul_path}/dev/shm"
58	fi
59}
60
61load_rc_config $name
62run_rc_command "$1"
63