参考
https://blog.csdn.net/qq_36035382/article/details/125308044
https://blog.csdn.net/u010834463/article/details/132756450
https://blog.csdn.net/weixin_44255842/article/details/120652227
shell
$ qemu-img.exe create -f qcow2 oe2203sp4.qcow2 40G
$ qemu-system-aarch64.exe -m 8192 -cpu cortex-a72 -smp 4,sockets=2,cores=2 -M virt -bios "QEMU_EFI.fd" -device VGA -device nec-usb-xhci -device usb-mouse -device usb-kbd -drive if=none,file="oe2203sp4.qcow2",id=hd0 -device virtio-blk-device,drive=hd0 -drive if=none,file="openEuler-22.03-LTS-SP4-aarch64-dvd.iso",id=cdrom,media=cdrom -device virtio-scsi-device -device scsi-cd,drive=cdrom -net nic -net user,hostfwd=tcp::2222-:22
要等非常久
