#!/bin/sh

[ "x$1" == "x"] && {
    echo "Usage: $0 hard-disk-device"
    exit 1
}

# uncomment line below and set to the correct disk
disk=$1

workarea="."

stage1File=$workarea/stage1.wrapped
ubootFile=$workarea/u-boot.wrapped
ubootenvFile=$workarea/u-boot.env

perl <<EOF | dd of="$disk" bs=512
    print "\x00" x 0x1a4;
    print "\x00\x5f\x01\x00";
    print "\x00\xdf\x00\x00";
    print "\x00\x80\x00\x00";
    print "\x00" x (0x1b0 -0x1a4 -12 );
    print "\x22\x80\x00\x00";
    print "\x22\x00\x00\x00";
    print "\x00\x80\x00\x00";
EOF

if [ -f $stage1File ];then
	echo "Writing stage 1"
	dd if=$stage1File    of="$disk" bs=512 seek=34
fi

if [ -f $ubootFile ];then
	echo "Writing uboot"
	dd if=$ubootFile     of="$disk" bs=512 seek=154
fi

	echo "Generating uboot env"
pushd $workarea/u-boot-env
./creatext2loadenv.sh
popd

if [ -f $ubootenvFile ];then
	echo "Writing uboot env"
	dd if=$ubootenvFile     of="$disk" bs=512 seek=558
fi