1 files changed, 88 insertions, 0 deletions
diff --git a/libexec/rc/rc.d/linux b/libexec/rc/rc.d/linux
new file mode 100755
index 000000000000..d419920acaca
--- /dev/null
+++ b/libexec/rc/rc.d/linux
@@ -0,0 +1,88 @@
+#!/bin/sh
+#
+#
+
+# PROVIDE: linux
+# REQUIRE: kldxref zfs
+# KEYWORD: nojail
+
+. /etc/rc.subr
+
+name="linux"
+desc="Enable Linux ABI"
+rcvar="linux_enable"
+start_cmd="${name}_start"
+stop_cmd=":"
+
+linux_mount() {
+	local _fs _mount_point
+	_fs="$1"
+	_mount_point="$2"
+	shift 2
+	if ! mount | grep -q "^$_fs on $_mount_point ("; then
+		mkdir -p "$_mount_point"
+		mount "$@" -t "$_fs" "$_fs" "$_mount_point"
+	fi
+}
+
+linux_start()
+{
+	local _emul_path _tmpdir
+
+	case `sysctl -n hw.machine_arch` in
+	aarch64)
+		load_kld -e 'linux64elf' linux64
+		;;
+	amd64)
+		load_kld -e 'linuxelf' linux
+		load_kld -e 'linux64elf' linux64
+		;;
+	i386)
+		load_kld -e 'linuxelf' linux
+		;;
+	esac
+
+	_emul_path="$(sysctl -n compat.linux.emul_path)"
+
+	if [ -x ${_emul_path}/sbin/ldconfigDisabled ]; then
+		_tmpdir=`mktemp -d -t linux-ldconfig`
+		${_emul_path}/sbin/ldconfig -C ${_tmpdir}/ld.so.cache
+		if ! cmp -s ${_tmpdir}/ld.so.cache ${_emul_path}/etc/ld.so.cache; then
+			cat ${_tmpdir}/ld.so.cache > ${_emul_path}/etc/ld.so.cache
+		fi
+		rm -rf ${_tmpdir}
+	fi
+
+	# Linux uses the pre-pts(4) tty naming scheme.
+	load_kld pty
+
+	# Explicitly load the filesystem modules; they are usually required,
+	# even with linux_mounts_enable="NO".
+	load_kld fdescfs
+	load_kld linprocfs
+	load_kld linsysfs
+
+	# Handle unbranded ELF executables by defaulting to ELFOSABI_LINUX.
+	if [ `sysctl -ni kern.elf64.fallback_brand` -eq "-1" ]; then
+		sysctl kern.elf64.fallback_brand=3 > /dev/null
+	fi
+
+	if [ `sysctl -ni kern.elf32.fallback_brand` -eq "-1" ]; then
+		sysctl kern.elf32.fallback_brand=3 > /dev/null
+	fi
+
+	if checkyesno linux_mounts_enable; then
+		linux_mount linprocfs "${_emul_path}/proc" -o nocover
+		linux_mount linsysfs "${_emul_path}/sys" -o nocover
+		linux_mount devfs "${_emul_path}/dev" -o nocover
+		linux_mount fdescfs "${_emul_path}/dev/fd" -o nocover,linrdlnk
+		linux_mount tmpfs "${_emul_path}/dev/shm" -o nocover,mode=1777
+	fi
+}
+
+load_rc_config $name
+
+# doesn't make sense to run in a svcj: kernel modules and FS-mounting
+linux_svcj="NO"
+
+run_rc_command "$1"