xref: /freebsd/libexec/rc/rc.d/linux (revision 6be3386466ab79a84b48429ae66244f21526d3df)
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="${name}_start"
16stop_cmd=":"
17
18linux_start()
19{
20	local _emul_path _tmpdir
21
22	case `sysctl -n hw.machine_arch` in
23	aarch64)
24		load_kld -e 'linux64elf' linux64
25		;;
26	amd64)
27		load_kld -e 'linuxelf' linux
28		load_kld -e 'linux64elf' linux64
29		;;
30	i386)
31		load_kld -e 'linuxelf' linux
32		;;
33	esac
34
35	_emul_path="$(sysctl -n compat.linux.emul_path)"
36
37	if [ -x ${_emul_path}/sbin/ldconfigDisabled ]; then
38		_tmpdir=`mktemp -d -t linux-ldconfig`
39		${_emul_path}/sbin/ldconfig -C ${_tmpdir}/ld.so.cache
40		if ! cmp -s ${_tmpdir}/ld.so.cache ${_emul_path}/etc/ld.so.cache; then
41			cat ${_tmpdir}/ld.so.cache > ${_emul_path}/etc/ld.so.cache
42		fi
43		rm -rf ${_tmpdir}
44	fi
45
46	# Linux uses the pre-pts(4) tty naming scheme.
47	load_kld pty
48
49	# Handle unbranded ELF executables by defaulting to ELFOSABI_LINUX.
50	if [ `sysctl -ni kern.elf64.fallback_brand` -eq "-1" ]; then
51		sysctl kern.elf64.fallback_brand=3 > /dev/null
52	fi
53
54	if [ `sysctl -ni kern.elf32.fallback_brand` -eq "-1" ]; then
55		sysctl kern.elf32.fallback_brand=3 > /dev/null
56	fi
57
58	if checkyesno linux_mounts_enable; then
59		mount -o nocover -t linprocfs linprocfs "${_emul_path}/proc"
60		mount -o nocover -t linsysfs linsysfs "${_emul_path}/sys"
61		mount -o nocover -t devfs devfs "${_emul_path}/dev"
62		mount -o nocover,linrdlnk -t fdescfs fdescfs "${_emul_path}/dev/fd"
63		mount -o nocover,mode=1777 -t tmpfs tmpfs "${_emul_path}/dev/shm"
64	fi
65}
66
67load_rc_config $name
68run_rc_command "$1"
69