openwrt/target/linux/rb532/image/gen_image.sh
Adrian Schmutzler c5b4fa20fa treewide: replace backticks by $(...) in gen_*_img.sh scripts
This replaces deprecated backticks by more versatile $(...) syntax.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
[decapitalized patch subject at submitter's request]
Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
2019-09-29 00:46:13 +02:00

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#!/usr/bin/env bash
OUTPUT="$1"
KERNELSIZE="$2"
KERNELIMAGE="$3"
ROOTFSSIZE="$4"
ROOTFSIMAGE="$5"
ALIGN="$6"
rm -f "$OUTPUT"
# create partition table
set $(ptgen -o "$OUTPUT" -h 16 -s 32 -l ${ALIGN} -t 0x27 -p ${KERNELSIZE}m -t 0x83 -p ${ROOTFSSIZE}m)
KERNELOFFSET="$(($1 / 512))"
ROOTFSOFFSET="$(($3 / 512))"
dd if="$KERNELIMAGE" of="$OUTPUT" bs=512 conv=notrunc seek="$KERNELOFFSET"
dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 conv=notrunc seek="$ROOTFSOFFSET"