1#!/usr/bin/env bash
2OUTPUT="$1"
3KERNELSIZE="$2"
4KERNELIMAGE="$3"
5ROOTFSSIZE="$4"
6ROOTFSIMAGE="$5"
7
8rm -f "$OUTPUT"
9
10# create partition table
11set `ptgen -o "$OUTPUT" -h 16 -s 32 -t 0x27 -p ${KERNELSIZE}m -t 0x83 -p ${ROOTFSSIZE}m`
12
13KERNELOFFSET="$(($1 / 512))"
14ROOTFSOFFSET="$(($3 / 512))"
15
16dd if="$KERNELIMAGE" of="$OUTPUT" bs=512 conv=notrunc seek="$KERNELOFFSET"
17dd if="$ROOTFSIMAGE" of="$OUTPUT" bs=512 conv=notrunc seek="$ROOTFSOFFSET"
18