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#!/bin/bash
# Author: Linaro Android Team <linaro-dev@lists.linaro.org>
#
# These files are Copyright (C) 2012 Linaro Limited and they
# are licensed under the Apache License, Version 2.0.
# You may obtain a copy of this license at
# http://www.apache.org/licenses/LICENSE-2.0
function show_usage() {
echo "Usage:"
echo -e "\t`basename $0` [--serial|-s <serial>] [--partition|-p <boot-partition>] [--target|-t <target-file>] <source-file>"
echo -e "\t\tUpdate the target file in uInitrd of the specified device"
echo -e "\t\twith the specified source file"
echo -e "\t\tWhen the target file is not specified, will update the file in"
echo -e "\t\tthe root directory that has the same file name of the source file"
echo ""
echo -e "\t`basename $0` --help|-h"
echo -e "\t\tPrint out this help information"
}
function parse_argv() {
while test -n "$1"; do
case "$1" in
--help|-h)
show_usage
exit 0
;;
--serial|-s)
serial=$2;
shift 2
;;
--partition|-p)
boot_partition=$2;
shift 2
;;
--target|-t)
tgt_file=$2;
shift 2
;;
*)
if [ -n "${src_file}" ]; then
show_usage
echo "Too many arguments, see --help for details"
exit 1
else
src_file="$1"
shift
fi
;;
esac
done
}
function export_serial(){
if [ -n "${serial}" ]; then
export ANDROID_SERIAL=${serial}
else
serial=`adb get-serialno|sed 's/\r//g'`
if [ "X${serial}" == "Xunknown" ]; then
echo "Can not get the serial number autotically,"
echo "Please specify the serial number with the -s option"
exit 1
else
export ANDROID_SERIAL=${serial}
fi
fi
}
function check_parameters(){
if [ -z "${src_file}" ]; then
echo "Please specify the path of the source file want to use"
exit 1
fi
if [ ! -f "${src_file}" ]; then
echo "The specified path(${src_file}) is not a file"
exit 1
fi
# will use the basename of the src_file
# if [ -z "${tgt_file}" ]; then
# echo "Please specify the path of the target file want to be updated"
# exit 1
# fi
}
function check_device_status(){
status=`adb get-state|sed 's/\r//g'`
if [ "X${status}" != "Xdevice" ]; then
echo "The device is not on line,"
echo "Please check the device status"
exit 1
fi
}
function get_boot_partition(){
product_device=`adb shell getprop ro.product.device|sed 's/\r//g'`
case "X${product_device}" in
"X" )
echo "Failed to get the value of ro.build.product property"
exit 1
;;
"Xpandaboard" )
boot_partition="mmcblk0p1"
;;
"Xorigen" )
boot_partition="mmcblk0p2"
;;
"Xvexpress_a9" )
boot_partition="mmcblk0p1"
;;
"Xvexpress" )
boot_partition="mmcblk0p1"
;;
* )
echo "The product device(${product_device}) is not supported!"
exit 1
;;
esac
adb shell ls "/dev/block/${boot_partition}"|grep "/dev/block/${boot_partition}" >&/dev/null
if [ $? -ne 0 ]; then
echo "Failed to get the boot partition of your device."
echo "Please specify the boot partition with the -p option."
exit 1
fi
}
function recreate_uinitrd(){
uinitrd_f="$1"
src_f="$2"
tgt_f="$3"
old_pwd=`pwd`
src_dir=`dirname $src_f`
src_name=`basename $src_f`
cd $src_dir
src_dir_abs_path=`pwd`
src_file_abs="${src_dir_abs_path}/${src_name}"
cd ${old_pwd}
uinitrd_dir=`dirname $uinitrd_f`
uinitrd_name=`basename $uinitrd_f`
cd ${uinitrd_dir}
dd if=${uinitrd_name} of=uInitrd.data ibs=64 skip=1
mv uInitrd.data ramdisk.cpio.gz
gzip -d -f ramdisk.cpio.gz
cpio -i -F ramdisk.cpio
cp -vf ${src_file_abs} ./${tgt_f}
cpio -i -t -F ramdisk.cpio | cpio -o -H newc | gzip > ramdisk_new.cpio.gz
mkimage -A arm -O linux -T ramdisk -n "Android Ramdisk Image" -d ramdisk_new.cpio.gz uInitrd
cd ${old_pwd}
}
function update_uinitrd(){
if [ -z "${boot_partition}" ]; then
get_boot_partition
fi
adb shell mount -t vfat /dev/block/${boot_partition} ${mountpoint}
adb shell mount|grep "/dev/block/${boot_partition}" >&/dev/null
if [ $? -ne 0 ]; then
echo "Failed to mount the boot partion /dev/block/${boot_partition}"
exit 1
fi
org_uinitrd=`mktemp -d /tmp/uinitrd.XXX`
echo "Pull the original uInitrd file for backup in ${org_uinitrd}"
adb pull ${mountpoint}/uInitrd ${org_uinitrd} &>/dev/null
cp -uvf $org_uinitrd/uInitrd{,.org}
recreate_uinitrd "${org_uinitrd}/uInitrd" "${src_file}" "${tgt_file}"
adb push ${org_uinitrd}/uInitrd ${mountpoint}/uInitrd
adb push ${org_uinitrd}/uInitrd.org ${mountpoint}/uInitrd.org
adb shell sync
adb shell umount ${mountpoint}
rm -fr ${org_uinitrd}
echo "uInitrd updated successfully"
}
function main(){
src_file=""
tgt_file=""
partition=""
serial=""
mountpoint="/data/local/tmp"
parse_argv "$@"
check_parameters
if [ -z "$tgt_file" ]; then
tgt_file=`basename ${src_file}`
fi
export_serial
check_device_status
update_uinitrd
}
main "$@"
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