upgrade_me.sh

来自「ALtera网络Blaster的映射文件」· Shell 代码 · 共 71 行

#!/bin/sh
# this is the real upgrade shell script for the firmware

if [ -z "$OUR_LOG" ]
then
    OUR_LOG=/tmp/fwupg.log
fi

echo "$0 Starting..." >> $OUR_LOG

# import some functions
. /sbin/sys_utils

WORKINGDIR=`pwd`
IMAGEDIR=/flash/firmware/image

if [ ! -f "firmware.tar.gz" ]
then
    echo "Firmware file doesn't exist!" >> $OUR_LOG
    exit 1
fi

# now verify the checksum of the firmware file

md5sum -c firmware.md5

if [ $? -ne 0 ]
then
    echo "Firmware MD5 did not match!" >> $OUR_LOG
    exit 1
fi

# stop some processes
echo "Stopping some processes" >> $OUR_LOG
killproc jtagd
killproc enb_listener

# link an image directory to /tmp to reduce space

ln -s /tmp $IMAGEDIR

# unpack the firmware tarfile

echo "Unpacking firmware tarfile" >> $OUR_LOG
sh -c "(cd /flash ; gunzip -c $WORKINGDIR/firmware.tar.gz | tar xpf -)"

if [ $? -ne 0 ]
then
    echo "Firmware didn't unpack correctly" >> $OUR_LOG
    exit 1
fi

if [ -f $IMAGEDIR/ramdisk.gz ]
then
    flashtool -w -f $IMAGEDIR/ramdisk.gz -n ramdisk
    rm -f $IMAGEDIR/ramdisk.gz
fi

if [ -f $IMAGEDIR/zImage ]
then
    flashtool -w -f $IMAGEDIR/zImage -n zImage
    rm -f $IMAGEDIR/zImage
fi

# the firmware unpacked correctly. The upgrade script will make us the primary
# firmware file now, and reboot us

sleep 1

exit 0