#!/bin/sh

# check root
username=`whoami`
if [ $username != root ]
then
   echo "must be root"
   exit
fi

# check arguments
if [ $# -lt 2 ]
then
    echo "usage: $0 [u-boot] [output_image]"
    exit
fi
current_directory=$PWD
uboot_file=$1
image_file=$2

# create empty disk image
dd if=/dev/zero of=$image_file bs=1M count=48

# attach disk image
vnconfig vnd0 $image_file

# setup u-boot
dd if=$uboot_file of=/dev/vnd0c bs=1024 seek=8

# create partitions, disklabel
echo "edit 0\n e\n n\n 2048\n 32768\n edit 3\n a6\n n\n 34816\n 63488\n p\n w\n q\n" | fdisk -e vnd0
echo "a a\n\n\n\n p\n w\n q\n" | disklabel -E vnd0
newfs_msdos /dev/rvnd0i
newfs /dev/rvnd0a

# setup EFI loader
mount_msdos -l /dev/vnd0i /mnt
mkdir -p /mnt/efi/boot
cd /mnt/efi/boot
ftp http://ftp.jaist.ac.jp/pub/OpenBSD/snapshots/armv7/BOOTARM.EFI
cd $current_directory
umount /mnt

# setup BSD kernel
mount /dev/vnd0a /mnt
cd /mnt
#ftp http://ftp.jaist.ac.jp/pub/OpenBSD/snapshots/armv7/bsd
ftp http://ftp.jaist.ac.jp/pub/OpenBSD/snapshots/armv7/bsd.rd
cd $current_directory
umount /mnt

# detach disk image
vnconfig -u vnd0