Index: src/scripts/kernel_fetcher.sh |
diff --git a/src/scripts/kernel_fetcher.sh b/src/scripts/kernel_fetcher.sh |
new file mode 100755 |
index 0000000000000000000000000000000000000000..166fe591583f3cff3a0a80d2fbc0663acb65238f |
--- /dev/null |
+++ b/src/scripts/kernel_fetcher.sh |
@@ -0,0 +1,61 @@ |
+#!/bin/bash |
+ |
+# Copyright (c) 2009 The Chromium OS Authors. All rights reserved. |
+# Use of this source code is governed by a BSD-style license that can be |
+# found in the LICENSE file. |
+ |
+# Load common constants. This should be the first executable line. |
+# The path to common.sh should be relative to your script's location. |
+. "$(dirname "$0")/common.sh" |
+ |
+IMAGES_DIR="${DEFAULT_BUILD_ROOT}/images" |
+ |
+# Flags |
+DEFINE_string from "" "Directory containing rootfs.image and mbr.image" |
+DEFINE_string to "" "Destination file for USB image." |
+DEFINE_integer offset 0 "Offset to write the kernel to in the destination." |
+ |
+# Parse command line |
+FLAGS "$@" || exit 1 |
+eval set -- "${FLAGS_ARGV}" |
+ |
+# Die on any errors. |
+set -e |
+ |
+if [ -z "${FLAGS_from}" -o -z "${FLAGS_to}" -o -z "${FLAGS_offset}" ] |
+then |
+ echo "You must define all of from, to and offset." |
+ exit 1 |
+fi |
+ |
+# Convert args to paths. Need eval to un-quote the string so that shell |
+# chars like ~ are processed; just doing FOO=`readlink -f $FOO` won't work. |
+FLAGS_from=`eval readlink -f ${FLAGS_from}` |
+FLAGS_to=`eval readlink -f ${FLAGS_to}` |
+ |
+function do_cleanup { |
+ sync |
+ sudo umount -l /tmp/kernel_fetch.$$ |
+ rmdir /tmp/kernel_fetch.$$ |
+} |
+ |
+trap do_cleanup EXIT |
+ |
+# |
+# Set up loop device. This time it is used to fetch the built kernel from the |
+# root image. This kernel is then written to the fourth partition. |
+# |
+echo "Fetching kernel from root image..." |
+mkdir /tmp/kernel_fetch.$$ |
+sudo mount -o loop "${FLAGS_from}/rootfs.image" /tmp/kernel_fetch.$$ |
+ |
+echo "Writing kernel to ${FLAGS_to} at ${FLAGS_offset}..." |
+sudo "${SCRIPTS_DIR}"/file_copy.py \ |
+ if=/tmp/kernel_fetch.$$/boot/vmlinux.uimg \ |
+ of="${FLAGS_to}" \ |
+ seek_bytes="${FLAGS_offset}" |
+echo "Done." |
+ |
+do_cleanup |
+ |
+trap - EXIT |