libexec/rc/rc.d/linux

   1 #!/bin/sh
   2 #
   3 # $FreeBSD$
   4 #
   5
   6 # PROVIDE: linux
   7 # REQUIRE: kldxref zfs
   8 # KEYWORD: nojail
   9
  10 . /etc/rc.subr
  11
  12 name="linux"
  13 desc="Enable Linux ABI"
  14 rcvar="linux_enable"
  15 start_cmd="${name}_start"
  16 stop_cmd=":"
  17
  18 linux_mount() {
  19         local _fs _mount_point
  20         _fs="$1"
  21         _mount_point="$2"
  22         shift 2
  23         if ! mount | grep -q "^$_fs on $_mount_point ("; then
  24                 mkdir -p "$_mount_point"
  25                 mount "$@" -t "$_fs" "$_fs" "$_mount_point"
  26         fi
  27 }
  28
  29 linux_start()
  30 {
  31         local _emul_path _tmpdir
  32
  33         case `sysctl -n hw.machine_arch` in
  34         aarch64)
  35                 load_kld -e 'linux64elf' linux64
  36                 ;;
  37         amd64)
  38                 load_kld -e 'linuxelf' linux
  39                 load_kld -e 'linux64elf' linux64
  40                 ;;
  41         i386)
  42                 load_kld -e 'linuxelf' linux
  43                 ;;
  44         esac
  45
  46         _emul_path="$(sysctl -n compat.linux.emul_path)"
  47
  48         if [ -x ${_emul_path}/sbin/ldconfigDisabled ]; then
  49                 _tmpdir=`mktemp -d -t linux-ldconfig`
  50                 ${_emul_path}/sbin/ldconfig -C ${_tmpdir}/ld.so.cache
  51                 if ! cmp -s ${_tmpdir}/ld.so.cache ${_emul_path}/etc/ld.so.cache; then
  52                         cat ${_tmpdir}/ld.so.cache > ${_emul_path}/etc/ld.so.cache
  53                 fi
  54                 rm -rf ${_tmpdir}
  55         fi
  56
  57         # Linux uses the pre-pts(4) tty naming scheme.
  58         load_kld pty
  59
  60         # Explicitly load the filesystem modules; they are usually required,
  61         # even with linux_mounts_enable="NO".
  62         load_kld fdescfs
  63         load_kld linprocfs
  64         load_kld linsysfs
  65
  66         # Handle unbranded ELF executables by defaulting to ELFOSABI_LINUX.
  67         if [ `sysctl -ni kern.elf64.fallback_brand` -eq "-1" ]; then
  68                 sysctl kern.elf64.fallback_brand=3 > /dev/null
  69         fi
  70
  71         if [ `sysctl -ni kern.elf32.fallback_brand` -eq "-1" ]; then
  72                 sysctl kern.elf32.fallback_brand=3 > /dev/null
  73         fi
  74
  75         if checkyesno linux_mounts_enable; then
  76                 linux_mount linprocfs "${_emul_path}/proc" -o nocover
  77                 linux_mount linsysfs "${_emul_path}/sys" -o nocover
  78                 linux_mount devfs "${_emul_path}/dev" -o nocover
  79                 linux_mount fdescfs "${_emul_path}/dev/fd" -o nocover,linrdlnk
  80                 linux_mount tmpfs "${_emul_path}/dev/shm" -o nocover,mode=1777
  81         fi
  82 }
  83
  84 load_rc_config $name
  85 run_rc_command "$1"