1#!/usr/bin/env bash 2 3set -x 4[ $# == 5 ] || { 5 echo "SYNTAX: $0 <file> <bootfs image> <rootfs image> <bootfs size> <rootfs size>" 6 exit 1 7} 8 9OUTPUT="$1" 10BOOTFS="$2" 11ROOTFS="$3" 12BOOTFSSIZE="$4" 13ROOTFSSIZE="$5" 14 15head=4 16sect=63 17 18set `ptgen -o $OUTPUT -h $head -s $sect -l 4096 -t c -p ${BOOTFSSIZE}M -t 83 -p ${ROOTFSSIZE}M` 19 20BOOTOFFSET="$(($1 / 512))" 21BOOTSIZE="$(($2 / 512))" 22ROOTFSOFFSET="$(($3 / 512))" 23ROOTFSSIZE="$(($4 / 512))" 24 25dd bs=512 if="$BOOTFS" of="$OUTPUT" seek="$BOOTOFFSET" conv=notrunc 26dd bs=512 if="$ROOTFS" of="$OUTPUT" seek="$ROOTFSOFFSET" conv=notrunc 27 28 29 30