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set -e
cd ${0%/*} # go to project root
KERNEL="bin/kernel-$(uname -r)"
INITRAMFS="bin/initramfs"
mkdir -p bin
# get the kernel
sudo cp /boot/vmlinuz-linux-lts "$KERNEL"
# initramfs directory
rm -rf $INITRAMFS
mkdir -p $INITRAMFS
# copy the init file
cp src/init $INITRAMFS
chmod +x $INITRAMFS/init
# get the busybox things
install -D $(which busybox) $INITRAMFS/bin/busybox
ln -sf busybox $INITRAMFS/bin/sh
# make the image
(cd $INITRAMFS; find . | cpio -H newc -o | gzip > ../initramfs.img )
qemu-system-x86_64 \
-kernel "$KERNEL" \
-initrd "$INITRAMFS.img" \
-append "console=ttyS0" -nographic
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