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#!/usr/bin/env bash
#
# Licensed under the terms of the GNU GPL License version 2 or later.
# Author: Piotr Dymacz <pepe2k@gmail.com>, based on mkits.sh.
#
# Qualcomm SDK (QSDK) sysupgrade compatible images for IPQ40xx, IPQ806x
# and IPQ807x use FIT format together with 'dumpimage' tool from U-Boot
# for verifying and extracting them. Based on 'images' sections names,
# corresponding mtd partitions are flashed.
# This is a simple script for generating FIT images tree source files,
# compatible with the QSDK sysupgrade format. Resulting images can be
# used for initial (factory -> OpenWrt) installation and would work
# both in CLI and GUI. The script is also universal in a way it allows
# to include as many sections as needed.
#
usage() {
echo "Usage: `basename $0` output [[device].bootscript] img0_name img0_file [[img1_name img1_file] ...]"
exit 1
}
# We need at least 3 arguments
[ "$#" -lt 3 ] && usage || node_type="firmware"
# Target output file
OUTPUT="$1"; shift
# check for bootscript
[ "${1##*.}" = "bootscript" ] && has_script=true && node_type="script"
# Create a default, fully populated DTS file
echo "\
/dts-v1/;
/ {
description = \"OpenWrt factory image\";
#address-cells = <1>;
images {" > ${OUTPUT}
while [ -n "$1" -a -n "$2" ] || [ $has_script ]; do
[ -f "$2" ] || [ $has_script ] && has_script= || usage
case "$node_type" in
script)
name="$node_type"
file="$1"; shift
desc="${file%.*} uboot ${file##*.}"
type="$node_type"
node_type="firmware"
;;
firmware)
name="$1"; shift
file="$1"; shift
desc="$name"
type="$node_type"
;;
esac
echo \
" ${name} {
description = \"${desc}\";
data = /incbin/(\"${file}\");
type = \"${type}\";
arch = \"ARM\";
compression = \"none\";
hash@1 {
algo = \"crc32\";
};
};" >> ${OUTPUT}
done
echo \
" };
};" >> ${OUTPUT}
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