2 files changed, 162 insertions, 0 deletions
diff --git a/recipes-core/initscripts/initscripts-1.0/umountfs b/recipes-core/initscripts/initscripts-1.0/umountfs
new file mode 100644
index 0000000..1c9a9ce
--- /dev/null
+++ b/recipes-core/initscripts/initscripts-1.0/umountfs
@@ -0,0 +1,158 @@
+#!/bin/bash
+### BEGIN INIT INFO
+# Provides:          umountfs
+# Required-Start:
+# Required-Stop:     
+# Default-Start:
+# Default-Stop:      0 6
+# Short-Description: Turn off swap and unmount all local file systems.
+# Description:
+### END INIT INFO
+
+PATH=/sbin:/bin:/usr/sbin:/usr/bin
+
+umount_all() {
+  echo "Deactivating swap..."
+  swapoff -a
+
+  # We leave /proc mounted.
+  echo "Unmounting local filesystems..."
+  grep -q /mnt/ram /proc/mounts && mount -o remount,ro /mnt/ram
+  umount -f -a -r > /dev/null 2>&1
+
+  mount -o remount,ro /
+}
+
+blink_leds() {
+  leds=/sys/class/leds/*
+  nleds=$(echo $leds | wc -w)
+
+  # turn LEDs off
+  for led in $leds; do
+      echo "timer" > $led/trigger
+      echo 0  > $led/delay_off
+  done
+
+  int=200
+  total=$(( int * (nleds+1) ))
+  on=$(( total - int ))
+  off=$(( total - on ))
+
+  # make a pattern
+  for led in $leds; do
+      echo "$on"  > $led/delay_on
+      echo "$off"  > $led/delay_off
+      on=$(( on - int ))
+      off=$(( total - on ))
+  done
+}
+
+flash_upgrade() {
+  if [ $# -ne 1 ]; then
+    echo "need to specify flash-root"
+    return
+  fi
+  # flash_root must be a mountpoint that is not the rootfs and be mounted rw
+  local flash_root=${1}
+
+  local flash_dir=${flash_root}/flash-upgrade
+  local uImage_file=${flash_dir}/uImage.bin
+  local rootfs_file=${flash_dir}/rootfs.jffs2
+
+  local reboot_cmd=/usr/sbin/upgrade-reboot
+  local nandwrite_cmd=/usr/bin/nandwrite.static
+  local mode=
+  local uImage_mtd=
+  local rootfs_mtd=
+
+  if [ ! -d "${flash_dir}" ]; then
+    echo "${flash_dir} not present, skipping"
+    return
+  fi
+
+  if ! mountpoint -q "${flash_root}"; then
+    echo "${flash_root} is not a mountpoint"
+    return
+  fi
+
+  mode=$(grep "${flash_root}" /proc/mounts | cut -d ' ' -f 4 | cut -d ',' -f 1)
+  if [ "${mode}" != "rw" ]; then
+    echo "${flash_root} is not mounted rw"
+    return
+  fi
+
+  if [ ! -x "${reboot_cmd}" ]; then
+    echo "${reboot_cmd} is not installed"
+    return
+  fi
+
+  if [ ! -x "${nandwrite_cmd}" ]; then
+    echo "${nandwrite_cmd} is not installed"
+    return
+  fi
+
+  uImage_mtd="/dev/$(cat /proc/mtd | grep uImage | cut -d : -f 1)"
+  if [ ! -c "${uImage_mtd}" ]; then
+    echo "No valid MTD partition is labeled uImage"
+    return
+  fi
+
+  rootfs_mtd="/dev/$(cat /proc/mtd | grep Rootfs | cut -d : -f 1)"
+  if [ ! -c "${rootfs_mtd}" ]; then
+    echo "No valid MTD partition is labeled Rootfs"
+    return
+  fi
+
+  echo ""
+  echo "Starting flash upgrade from ${flash_dir}..."
+  
+  blink_leds
+
+  if [ -f ${uImage_file} ]; then
+    echo "Flashing ${uImage_mtd} (uImage) with ${uImage_file}..."
+
+    flash_erase ${uImage_mtd} 0 0
+    nandwrite -p ${uImage_mtd} ${uImage_file}
+  else
+    echo "uImage file ${uImage_file} not found"
+  fi
+
+  if [ -f ${rootfs_file} ]; then
+    echo "Flashing ${rootfs_mtd} (rootfs) with ${rootfs_file}..."
+
+    cp ${reboot_cmd} ${flash_dir}/upgrade-reboot
+    cp ${nandwrite_cmd} ${flash_dir}/nandwrite.static
+
+    sync
+    sleep 2
+    mount -o remount,ro ${flash_root}
+
+    # flash_root is not going to be umounted
+    sed -i -e "\\|${flash_root}| d" /etc/mtab
+
+    umount_all
+
+    flash_erase -j ${rootfs_mtd} 0 0
+    ${flash_dir}/nandwrite.static -p ${rootfs_mtd} ${rootfs_file}
+
+    echo "Rebooting..."
+
+    ${flash_dir}/upgrade-reboot
+
+    # Should not get here normally
+    echo "upgrade-reboot failed"
+    exit 1
+  else
+    echo "rootfs file ${rootfs_file} not found"
+  fi
+}
+
+# do flash on reboot if do_flash_upgrade exists
+if [ -f /var/volatile/do_flash_upgrade ]; then
+    flash_upgrade /var/volatile
+    flash_upgrade /media/card
+fi
+
+umount_all
+
+: exit 0
diff --git a/recipes-core/initscripts/initscripts_1.0.bbappend b/recipes-core/initscripts/initscripts_1.0.bbappend
new file mode 100644
index 0000000..d00d5f5
--- /dev/null
+++ b/recipes-core/initscripts/initscripts_1.0.bbappend
@@ -0,0 +1,4 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/${PN}-${PV}:"
+
+# flash on reboot/umountfs needs regular umount (not busybox)
+RDEPENDS_${PN} += "util-linux-umount util-linux-mount bash"