82 lines
1.3 KiB
Bash
Executable File
82 lines
1.3 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (c) 2020 Fuzhou Rockchip Electronics Co., Ltd
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#
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# SPDX-License-Identifier: GPL-2.0
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#
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set -e
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function usage()
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{
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echo
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echo "usage:"
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echo " $0 -f [fit/itb] -o [output]"
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echo
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}
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function args_process()
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{
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if [ $# -ne 4 -a $# -ne 2 ]; then
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usage
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exit 1
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fi
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while [ $# -gt 0 ]; do
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case $1 in
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-f)
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file=$2
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shift 2
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;;
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-o)
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output=$2
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shift 2
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;;
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*)
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usage
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exit 1
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;;
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esac
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done
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if [ ! -f $file ]; then
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echo "ERROR: No $file"
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exit 1
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fi
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if [ -z $output ]; then
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output="out"
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fi
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mkdir -p $output
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}
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function gen_images()
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{
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printf "\n## Unpack $file to directory $output/\n"
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fdtget -l $file /images > $output/unpack.txt
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cat $output/unpack.txt | while read line
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do
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node="/images/${line}"
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name=`fdtget -ts $file $node image`
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offs=`fdtget -ti $file $node data-position`
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size=`fdtget -ti $file $node data-size`
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if [ -z $offs ]; then
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continue;
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fi
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printf " %-15s: %d bytes\n" ${name} $size
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if [ $size -ne 0 ]; then
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dd if=$file of=$output/dd.tmp bs=$offs skip=1 >/dev/null 2>&1
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dd if=$output/dd.tmp of=$output/$name bs=$size count=1 >/dev/null 2>&1
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rm $output/dd.tmp
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else
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touch $output/$name
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fi
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done
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rm $output/unpack.txt
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echo
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}
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args_process $*
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gen_images |