Add a script to create a boot ROMFS image

.gitignore

@@ -4,3 +4,5 @@
 /.config
 /.depend
 /*.lib
+/romfs.img
+/boot_romfsimg.h

tools/mkromfsimg.sh

@@ -0,0 +1,75 @@
+#!/bin/bash
+############################################################################
+# apps/tools/mkromfsimg.sh
+#
+#   Copyright (C) 2014 Gregory Nutt. All rights reserved.
+#   Author: Gregory Nutt <gnutt@nuttx.org>
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in
+#    the documentation and/or other materials provided with the
+#    distribution.
+# 3. Neither the name NuttX nor the names of its contributors may be
+#    used to endorse or promote products derived from this software
+#    without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+############################################################################
+
+# Make sure we understand where we are
+
+if [ ! -f tools/mkromfsimg.sh ]; then
+  cd .. || { echo "ERROR: cd .. failed"; exit 1; }
+  if [ ! -f tools/mkromfsimg.sh ]; then
+    error "This script must be executed from the top-level apps/ directory"
+    exit 1
+  fi
+fi
+
+# Environmental stuff
+
+topdir=$PWD
+fsdir=${topdir}/bin
+romfsimg=romfs.img
+headerfile=boot_romfsimg.h
+
+# Sanity checks
+
+if [ ! -d "${fsdir}" ]; then
+  echo "ERROR: Directory ${fsdir} does not exist"
+  exit 1
+fi
+
+genromfs -h 1>/dev/null 2>&1 || { \
+  echo "Host executable genromfs not available in PATH"; \
+  echo "You may need to download in from http://romfs.sourceforge.net/"; \
+  exit 1; \
+}
+
+# Now we are ready to make the ROMFS image
+
+genromfs -f ${romfsimg} -d ${fsdir} -V "NuttXBootVol" || { echo "genromfs failed" ; exit 1 ; }
+
+# And, finally, create the header file
+
+xxd -i ${romfsimg} >${headerfile} || \
+  { echo "ERROR: xxd of $< failed" ; rm -f ${romfsimg}; exit 1 ; }
+rm -f ${romfsimg}