#!/bin/bash
if [[ $# -ne 1 ]]; then
	echo "Usage: $0 <image>" >&2
	exit 1
fi
DIR=`dirname $0`
IMGNAME=$1
# Create and format floppy image
dd if=/dev/zero of="$IMGNAME" bs=512 count=2880
mformat -i "$IMGNAME" ::/ -f 1440 -v Acess
# Copy grub's stage1 (ignoring the FAT area)
dd if=$DIR/stage1 bs=1 seek=0 count=3 "of=$IMGNAME" conv=notrunc
dd if=$DIR/stage1 bs=1 skip=$((0x3E)) seek=$((0x3E)) "of=$IMGNAME" conv=notrunc
# Copy grub images to ::/boot
mmd -i "$IMGNAME" ::/boot
mcopy $DIR/stage1 $DIR/stage2 -i "$IMGNAME" ::/boot/
# Patch stage2 location
/bin/echo -ne '\x23' | dd seek=$((0x44)) bs=1 count=1 "of=$IMGNAME" conv=notrunc
# Copy grub config file
mcopy $DIR/menu.lst -i "$IMGNAME" ::/boot/