1 files changed, 163 insertions, 0 deletions

diff --git a/scripts/runqemu-export-rootfs b/scripts/runqemu-export-rootfs
new file mode 100755
index 0000000..3dee131
--- /dev/null
+++ b/scripts/runqemu-export-rootfs
@@ -0,0 +1,163 @@
+#!/bin/bash
+#
+# Copyright (c) 2005-2009 Wind River Systems, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+usage() {
+        echo "Usage: $0 {start|stop|restart} <nfs-export-dir>"
+}
+
+if [ $# != 2 ]; then
+        usage
+        exit 1
+fi
+
+if [[ "$1" != "start" && "$1" != "stop" && "$1" != "restart" ]]; then
+        echo "Unknown command '$1'"
+        usage
+        exit 1
+fi
+
+if [ ! -d "$2" ]; then
+        echo "Error: '$2' does not exist"
+        usage
+        exit 1
+fi
+# Ensure the nfs-export-dir is an absolute path
+NFS_EXPORT_DIR=$(cd "$2" && pwd)
+
+SYSROOT_SETUP_SCRIPT=`which oe-find-native-sysroot 2> /dev/null`
+if [ -z "$SYSROOT_SETUP_SCRIPT" ]; then
+        echo "Error: Unable to find the oe-find-native-sysroot script"
+        echo "Did you forget to source your build environment setup script?"
+        exit 1
+fi
+. $SYSROOT_SETUP_SCRIPT
+
+if [ ! -e "$OECORE_NATIVE_SYSROOT/usr/bin/unfsd" ]; then
+        echo "Error: Unable to find unfsd binary in $OECORE_NATIVE_SYSROOT/usr/bin/"
+
+        if [ "x$OECORE_DISTRO_VERSION" = "x" ]; then
+                echo "Have you run 'bitbake meta-ide-support'?"
+        else
+                echo "This shouldn't happen - something is missing from your toolchain installation"
+        fi
+        exit 1
+fi
+
+if [ ! -d ~/.runqemu-sdk ]; then
+        mkdir -p ~/.runqemu-sdk
+fi
+
+NFS_INSTANCE=${NFS_INSTANCE:=0}
+EXPORTS=~/.runqemu-sdk/exports$NFS_INSTANCE
+RMTAB=~/.runqemu-sdk/rmtab$NFS_INSTANCE
+NFSPID=~/.runqemu-sdk/nfs$NFS_INSTANCE.pid
+MOUNTPID=~/.runqemu-sdk/mount$NFS_INSTANCE.pid
+
+PSEUDO_OPTS="-P $OECORE_NATIVE_SYSROOT/usr"
+PSEUDO_LOCALSTATEDIR="$NFS_EXPORT_DIR/../$(basename $NFS_EXPORT_DIR).pseudo_state"
+export PSEUDO_LOCALSTATEDIR
+
+if [ ! -d "$PSEUDO_LOCALSTATEDIR" ]; then
+        echo "Error: $PSEUDO_LOCALSTATEDIR does not exist."
+        echo "Did you create the export directory using runqemu-extract-sdk?"
+        exit 1  
+fi
+
+# rpc.mountd RPC port
+NFS_MOUNTPROG=$[ 21111 + $NFS_INSTANCE ]
+# rpc.nfsd RPC port
+NFS_NFSPROG=$[ 11111 + $NFS_INSTANCE ]
+# NFS port number
+NFS_PORT=$[ 3049 + 2 * $NFS_INSTANCE ]
+# mountd port number
+MOUNT_PORT=$[ 3048 + 2 * $NFS_INSTANCE ]
+
+## For debugging you would additionally add
+## --debug all
+UNFSD_OPTS="-p -N -i $NFSPID -e $EXPORTS -x $NFS_NFSPROG -n $NFS_PORT -y $NFS_MOUNTPROG -m $MOUNT_PORT"
+
+# Setup the exports file
+if [ "$1" = "start" ]; then
+        echo "Creating exports file..."
+        echo "$NFS_EXPORT_DIR (rw,async,no_root_squash,no_all_squash,insecure)" > $EXPORTS
+fi
+
+# See how we were called.
+case "$1" in
+  start)
+        PORTMAP_RUNNING=`ps -ef | grep portmap | grep -v grep`
+        RPCBIND_RUNNING=`ps -ef | grep rpcbind | grep -v grep`
+        if [[ "x$PORTMAP_RUNNING" = "x" && "x$RPCBIND_RUNNING" = "x" ]]; then
+                echo "======================================================="
+                echo "Error: neither rpcbind nor portmap appear to be running"
+                echo "Please install and start one of these services first"
+                echo "======================================================="
+                echo "Tip: for recent Ubuntu hosts, run:"
+                echo "  sudo apt-get install rpcbind"
+                echo "Then add OPTIONS=\"-i -w\"  to /etc/default/rpcbind and run"
+                echo "  sudo service portmap restart"
+
+                exit 1
+        fi
+
+        echo "Starting User Mode nfsd"
+        echo "  $PSEUDO $PSEUDO_OPTS $OECORE_NATIVE_SYSROOT/usr/bin/unfsd $UNFSD_OPTS"
+        $PSEUDO $PSEUDO_OPTS $OECORE_NATIVE_SYSROOT/usr/bin/unfsd $UNFSD_OPTS
+        if [ ! $? = 0 ]; then
+                echo "Error starting nfsd"
+                exit 1
+        fi
+        # Check to make sure everything started ok.
+        if [ ! -f $NFSPID ]; then
+                echo "rpc.nfsd did not start correctly"
+                exit 1
+        fi
+        ps -fp `cat $NFSPID` > /dev/null 2> /dev/null
+        if [ ! $? = 0 ]; then
+                echo "rpc.nfsd did not start correctly"
+                exit 1
+        fi
+        echo " "
+        echo "On your target please remember to add the following options for NFS"
+        echo "nfsroot=IP_ADDRESS:$NFS_EXPORT_DIR,nfsvers=3,port=$NFSD_PORT,mountprog=$MOUNTD_RPCPORT,nfsprog=$NFSD_RPCPORT,udp,mountport=$MOUNTD_PORT"
+        ;;
+  stop)
+        if [ -f "$NFSPID" ]; then
+                echo "Stopping rpc.nfsd"
+                kill `cat $NFSPID`
+                rm -f $NFSPID
+        else
+                echo "No PID file, not stopping rpc.nfsd"
+        fi
+        if [ -f "$EXPORTS" ]; then
+                echo "Removing exports file"
+                rm -f $EXPORTS
+        fi
+        ;;
+  restart)
+        $0 stop $NFS_EXPORT_DIR
+        $0 start $NFS_EXPORT_DIR 
+        if [ ! $? = 0 ]; then
+                exit 1
+        fi
+        ;;
+  *)
+        echo "$0 {start|stop|restart} <nfs-export-dir>"
+        ;;
+esac
+
+exit 0