1 files changed, 61 insertions, 0 deletions
diff --git a/meta-facebook/meta-yosemite/recipes-yosemite/fbutils/files/mount_data0.sh b/meta-facebook/meta-yosemite/recipes-yosemite/fbutils/files/mount_data0.sh
new file mode 100755
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--- /dev/null
+++ b/meta-facebook/meta-yosemite/recipes-yosemite/fbutils/files/mount_data0.sh
@@ -0,0 +1,61 @@
+#!/bin/sh
+#
+# Copyright 2014-present Facebook. All Rights Reserved.
+#
+# This program file is free software; you can redistribute it and/or modify it
+# under the terms of the GNU General Public License as published by the
+# Free Software Foundation; version 2 of the License.
+#
+# 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 in a file named COPYING; if not, write to the
+# Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor,
+# Boston, MA 02110-1301 USA
+#
+
+### BEGIN INIT INFO
+# Provides:          mount_data0
+# Required-Start:    mountvirtfs
+# Required-Stop: 
+# Default-Start:     S
+# Default-Stop:
+# Short-Description: Mount data0 partition from flash chip.
+# Description:
+### END INIT INFO
+
+. /etc/default/rcS
+
+# Find out which device maps to 'data0' on mtd
+# Note: /proc/mtd lists partitions using mtdX, where X is a number,
+#       but we mount using /dev/mtdblockX. We'll do some magic here
+#       to get the mtdX (char device) and mtdblockX (block device) 
+#       names.
+MOUNT_POINT="/mnt/data"
+DATA_CHAR_DEV=$(cat /proc/mtd | awk '{ if ($4 == "\"data0\"") print $1 }' |
+  cut -d ':' -f 1 | awk '{ print "/dev/" $1 }')
+if [ -z "$DATA_CHAR_DEV" ]
+then
+  echo "No data0 partition found. Not mounting anything to $MOUNT_POINT."
+else
+  DEVICE_ID=$(echo $DATA_CHAR_DEV | tail -c 2)
+  DATA_BLOCK_DEV=${DATA_CHAR_DEV/mtd/mtdblock}
+
+  echo "data0 partition found on $DATA_BLOCK_DEV; mounting to $MOUNT_POINT."
+  mount -t jffs2 $DATA_BLOCK_DEV $MOUNT_POINT
+
+  # if the mount failed, format the partition and remount
+  if [ $? -ne 0 ]
+  then
+    echo "Mount failed; formatting $DATA_BLOCK_DEV and remounting."
+    flash_eraseall $DATA_CHAR_DEV
+    mount -t jffs2 $DATA_BLOCK_DEV $MOUNT_POINT
+  fi
+fi
+
+: exit 0
+