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#!/usr/bin/env bash
#
# Copyright (C) 2015 OpenWrt.org
#
# This is free software, licensed under the GNU General Public License v2.
# See /LICENSE for more information.
#
set -x
[ $# -eq 5 ] || {
echo "SYNTAX: $0 <file> <rootfs image> <rootfs size> <u-boot image> <cfg image>"
exit 1
}
OUTPUT="$1"
ROOTFS="$2"
ROOTFSSIZE="$3"
UBOOT="$4"
CFGFS="$5"
head=4
sect=63
set `ptgen -o $OUTPUT -h $head -s $sect -l 1024 \
-t a2 -p 1M \
-t 83 -p ${ROOTFSSIZE}M \
-t 83 -p 1M`
UBOOTOFFSET="$(($1 / 512))"
UBOOTSIZE="$(($2 / 512))"
ROOTFSOFFSET="$(($3 / 512))"
ROOTFSSIZE="$(($4 / 512))"
CFGFSOFFSET="$(($5 / 512))"
CFGFSSIZE="$(($6 / 512))"
dd bs=512 if="$UBOOT" of="$OUTPUT" seek="$UBOOTOFFSET" conv=notrunc
dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc
mkdosfs "$CFGFS" -C 1024
dd bs=512 if="$CFGFS" of="$OUTPUT" seek="$CFGFSOFFSET" conv=notrunc
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