cirros-testvm/src-cirros/src/etc/init.d/load-modules

   1 #!/bin/sh
   2 # vi: ts=4 noexpandtab
   3 # load modules
   4
   5 loadmods() {
   6         local line
   7         while read line; do
   8                 line="${line%%#*}"
   9                 [ -n "$line" ] || continue
  10                 modprobe $line
  11         done
  12 }
  13
  14 parse_modules() {
  15         local f="$1" arch="$2" march="" comment="" modinfo="" oifs="$IFS"
  16         local x="" found=false
  17         [ -f "$f" ] || return 1
  18         case "$arch" in
  19                 i?86) march=",i386,x86,";;
  20                 amd64|x86_64) march=",x86_64,x86,";;
  21                 ppc64|powerpc) march=",powerpc,ppc64,";;
  22                 arm*) march=",arm,$arch,";;
  23         esac
  24         while read line; do
  25                 modinfo=${line%%#*}
  26                 [ "$modinfo" = "$line" ] && comment="" ||
  27                         comment="${line#${modinfo}#}"
  28                 [ "${comment#*arch=}" = "$comment" ] &&
  29                         { echo "$modinfo"; continue; }
  30                 found=false
  31                 for tok in $comment; do
  32                         [ "${tok#arch=}" != "$tok" ] || continue
  33                         IFS=","; set -- ${tok#arch=}; IFS="$oifs";
  34                         [ $# -eq 0 ] && continue
  35                         for x in "$@"; do
  36                                 [ "${march#*,$x,}" != "$march" ] &&
  37                                         { echo "$modinfo"; found=true; break; }
  38                                 shift;
  39                         done
  40                         $found && break
  41                 done
  42         done < "$f"
  43 }
  44
  45 MODULES_FILE="/etc/modules"
  46
  47 case "$1" in
  48         start)
  49                 lxc-is-container && exit 0
  50                 if [ -f "$MODULES_FILE" ]; then
  51                         [ -d "/lib/modules/$(uname -r)" ] || exit 0
  52                         march=$(uname -m)
  53                         parse_modules "$MODULES_FILE" "$march" | loadmods
  54                         [ "$march" = "ppc64" ] && sleep 1
  55                 fi
  56                 ;;
  57         stop|restart|reload) : ;;
  58         parse_modules)
  59                 parse_modules "$2" "$3";;
  60         *)
  61                 echo $"Usage: $0 {start}"
  62                 exit 1
  63 esac
  64
  65 exit $?