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|
#!/usr/bin/env bash
grubinstall=1
while getopts ":tin" option
do
case $option in
t)
emul=$OPTARG
;;
i)
initramfs=1
;;
n)
grubinstall=0
;;
*)
printf "Option not recognized\n"
exit 1
;;
esac
done
shift $(($OPTIND - 1))
if [ $(id -u) -ne 0 ];then
printf "Installation is only possible as root\n"
exit 1
fi
printf "Checking if grub is installed"
grub=$(which grub)
if [ ! -z $grub -a -x $grub ];then
printf "...okay\n"
else
printf "...failed\n"
exit 1
fi
printf "Checking if parted is installed"
parted=$(which parted)
if [ ! -z $parted -a -x $parted ];then
printf "...okay\n"
else
printf "...failed\n"
exit 1
fi
printf "Checking if qemu-img is installed"
qimg=$(which qemu-img)
if [ ! -z $qimg -a -x $qimg ];then
printf "...okay\n"
else
printf "...failed\n"
exit 1
fi
if [ -z $1 ];then
printf "Please give the name of the image file\n"
exit 1
fi
if [ -z $initramfs ];then
if [ -z $2 ];then
printf "Please give the name of the openadk archive file\n"
exit 1
fi
else
if [ -z $2 ];then
printf "Please give the full path prefix to kernel/initramfs\n"
exit 1
fi
fi
printf "Generate qemu image\n"
$qimg create -f raw $1 300M
printf "Create partition and filesystem\n"
$parted -s $1 mklabel msdos
$parted -s $1 mkpart primary ext2 0 300
$parted -s $1 set 1 boot on
$parted -s $1 mkfs 1 ext2
if [ $? -eq 0 ];then
printf "Successfully created partition\n"
$parted $1 print
else
printf "Partition creation failed, Exiting.\n"
exit 1
fi
tmp=$(mktemp -d)
mount -o loop,offset=16384 -t ext2 $1 $tmp
if [ -z $initramfs ];then
printf "Extracting install archive\n"
tar -C $tmp -xzpf $2
printf "Fixing permissions\n"
chmod 1777 $tmp/tmp
chmod 4755 $tmp/bin/busybox
else
printf "Copying kernel/initramfs\n"
mkdir $tmp/boot $tmp/dev
cp $2-kernel $tmp/boot/kernel
cp $2-initramfs $tmp/boot/initramfs
fi
if [ $grubinstall -eq 1 ];then
printf "Copying grub files\n"
mkdir $tmp/boot/grub
cp /boot/grub/stage1 $tmp/boot/grub
cp /boot/grub/stage2 $tmp/boot/grub
cp /boot/grub/e2fs_stage1_5 $tmp/boot/grub
if [ -z $initramfs ];then
cat << EOF > $tmp/boot/grub/menu.lst
serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1
terminal --timeout=2 serial console
timeout 2
default 0
hiddenmenu
title linux
root (hd0,0)
kernel /boot/kernel root=/dev/sda1 init=/init console=ttyS0,115200 console=tty0 panic=10 rw
EOF
else
cat << EOF > $tmp/boot/grub/menu.lst
serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1
terminal --timeout=2 serial console
timeout 4
default 0
hiddenmenu
title linux
root (hd0,0)
kernel /boot/kernel root=/dev/sda1 console=ttyS0,115200 console=tty0 rw
initrd /boot/initramfs
EOF
fi
printf "Installing Grub bootloader\n"
$grub --batch --no-curses --no-floppy --device-map=/dev/null >/dev/null << EOF
device (hd0) $1
root (hd0,0)
setup (hd0)
quit
EOF
fi
printf "Creating device nodes\n"
mknod -m 666 $tmp/dev/zero c 1 5
mknod -m 666 $tmp/dev/null c 1 3
mknod -m 622 $tmp/dev/console c 5 1
mknod -m 666 $tmp/dev/tty c 5 0
mknod -m 666 $tmp/dev/tty0 c 4 0
mknod -m 660 $tmp/dev/hda b 3 0
mknod -m 660 $tmp/dev/hda1 b 3 1
mknod -m 666 $tmp/dev/ttyS0 c 4 64
umount $tmp
printf "Successfully installed.\n"
exit 0
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