108 lines
1.9 KiB
Bash
108 lines
1.9 KiB
Bash
|
#!/bin/bash
|
||
|
|
bootimg=""
|
||
|
|
rootimg=""
|
||
|
|
qemuroot=""
|
||
|
|
while getopts "b:r:q:" opt; do
|
||
|
|
case $opt in
|
||
|
|
b)
|
||
|
|
bootimg=$OPTARG
|
||
|
|
;;
|
||
|
|
r)
|
||
|
|
rootimg=$OPTARG
|
||
|
|
;;
|
||
|
|
q)
|
||
|
|
qemuroot=$OPTARG
|
||
|
|
;;
|
||
|
|
esac
|
||
|
|
done
|
||
|
|
|
||
|
|
|
||
|
|
create_empty_disk()
|
||
|
|
{
|
||
|
|
img_name=$1
|
||
|
|
echo "Creating disk image $img_name"
|
||
|
|
dd if=/dev/zero of=$img_name bs=4M count=300 > /dev/null
|
||
|
|
}
|
||
|
|
|
||
|
|
create_loopback()
|
||
|
|
{
|
||
|
|
img_name=$1
|
||
|
|
device=$(losetup -f)
|
||
|
|
sudo losetup $device $img_name
|
||
|
|
echo $device
|
||
|
|
}
|
||
|
|
|
||
|
|
get_partition_name()
|
||
|
|
{
|
||
|
|
echo "/dev/mapper/${1##*/}p"$2
|
||
|
|
}
|
||
|
|
|
||
|
|
format_sdcard()
|
||
|
|
{
|
||
|
|
device=$1
|
||
|
|
img_name=$2
|
||
|
|
system_size="+1100M"
|
||
|
|
boot_size="+70M"
|
||
|
|
set +e
|
||
|
|
mounts=`cat /proc/mounts | grep "$device" | cut -d' ' -f1`
|
||
|
|
set -e
|
||
|
|
if [ "$mounts" != "" ];then
|
||
|
|
for i in $mounts;
|
||
|
|
do
|
||
|
|
sudo umount $i -l
|
||
|
|
done
|
||
|
|
fi
|
||
|
|
|
||
|
|
echo "making partitions on ${device}..."
|
||
|
|
set +e
|
||
|
|
sleep 1
|
||
|
|
sudo fdisk $device > /tmp/log << EOF
|
||
|
|
n
|
||
|
|
p
|
||
|
|
1
|
||
|
|
|
||
|
|
$boot_size
|
||
|
|
n
|
||
|
|
p
|
||
|
|
2
|
||
|
|
|
||
|
|
$system_size
|
||
|
|
t
|
||
|
|
1
|
||
|
|
c
|
||
|
|
a
|
||
|
|
1
|
||
|
|
w
|
||
|
|
EOF
|
||
|
|
set -e
|
||
|
|
#With loop block devices, new partition are not automatically associated to a new loop partition. kpartx do that for us !
|
||
|
|
if [[ $device == *"loop"* ]]; then
|
||
|
|
sudo losetup -d $device
|
||
|
|
sudo kpartx -a $img_name
|
||
|
|
fi
|
||
|
|
|
||
|
|
echo "$(get_partition_name $device 1) formatting..."
|
||
|
|
part=$(get_partition_name $device 1)
|
||
|
|
sudo dd if=$bootimg of=$part > /dev/null
|
||
|
|
|
||
|
|
echo "$(get_partition_name $device 2) formatting... (takes some minutes)"
|
||
|
|
part=$(get_partition_name $device 2)
|
||
|
|
sudo dd if=$rootimg of=$part > /dev/null
|
||
|
|
tmp_dir=$(mktemp -d)
|
||
|
|
sudo mount $part $tmp_dir
|
||
|
|
|
||
|
|
sudo cp -r $qemuroot/target/lib/modules/4.9.6/ ${tmp_dir}/lib/modules
|
||
|
|
|
||
|
|
sudo umount $tmp_dir
|
||
|
|
rm -r $tmp_dir
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
name=disk.img
|
||
|
|
|
||
|
|
create_empty_disk $name
|
||
|
|
device=$(create_loopback $name)
|
||
|
|
format_sdcard ${device} ${name}
|
||
|
|
sudo kpartx -d ${name}
|
||
|
|
|