openwrt/target/linux/rb532/image/gen_image.sh
Rosen Penev 4fb4cc537a rb532: gen_image.sh: use /bin/sh
Nothing here needs bash.

Signed-off-by: Rosen Penev <rosenp@gmail.com>
[slightly adjust commit title]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2019-12-31 01:16:17 +01:00

19 lines
454 B
Bash
Executable File

#!/bin/sh
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"