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|
: ${VM_CACHE:?} ${VM_DATA:?} ${VM_TMP:?}
arch_url=http://os.archlinuxarm.org/os/ArchLinuxARM-armv7-latest.tar.gz
arch_path=$VM_CACHE/$(basename -- "$arch_url")
kernel_path=$VM_CACHE/zImage
initrd_path=$VM_CACHE/initramfs-linux.img
image_path=$VM_DATA/image
if [ ! -f $arch_path ]; then
curl -L -o $arch_path $arch_url
fi
if [ ! -f $kernel_path ]; then
bsdtar -x -f $arch_path -C $(dirname $kernel_path) \
--strip-components=2 ./boot/$(basename $kernel_path)
fi
if [ ! -f $initrd_path ]; then
bsdtar -x -f $arch_path -C $(dirname $initrd_path) \
--strip-components=2 ./boot/$(basename $initrd_path)
fi
if [ ! -f $image_path ]; then
truncate -s 2G $image_path
mkfs.ext4 -q $image_path
mkdir -p $VM_TMP/mnt
doas mount -o loop $image_path $VM_TMP/mnt
doas bsdtar -xpf $arch_path -C $VM_TMP/mnt
doas umount $VM_TMP/mnt
rmdir $VM_TMP/mnt
fi
exec qemu-system-arm \
-machine virt \
-cpu cortex-a15 \
-m 2G \
-kernel $kernel_path \
-initrd $initrd_path \
-append "root=/dev/sda rw" \
-drive if=none,file=$image_path,format=raw,id=drive0 \
-netdev user,id=netdev0 \
-device virtio-scsi-pci,id=scsi \
-device virtio-blk-pci,drive=drive0 \
-device virtio-net-pci,netdev=netdev0 \
-nographic \
"$@"
|
