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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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