<domain type='kvm' xmlns:qemu='http://libvirt.org/schemas/domain/qemu/1.0'>

    <!-- 虚拟机名称 -->

    <name>nvm-ta-1</name>

    <!-- 虚拟机内存 -->

    <memory unit='GiB'>32</memory>

    <!-- 虚拟处理器的个数 -->

    <vcpu>16</vcpu>

    <os>

        <type arch='aarch64' machine='virt'>hvm</type>

        <!-- 这里是arm架构的 -->

        <loader readonly='yes' type='pflash'>/usr/share/edk2/aarch64/QEMU_EFI-pflash.raw</loader>

        <!-- 指定nvram文件路径，用于存储UEFI启动配置 保证文件名不冲突即可 -->

        <nvram>/var/lib/libvirt/qemu/nvram/openEulerVM.fd</nvram>

    </os>

    <features>

        <acpi/>

        <gic version='3'/>

    </features>

    <cpu mode='host-passthrough'>

    </cpu>

    <iothreads>1</iothreads>

    <clock offset='utc'/>

    <on_poweroff>destroy</on_poweroff>

    <on_reboot>restart</on_reboot>

    <on_crash>restart</on_crash>

    <devices>

        <!-- 创建软链接指向编译qemu后build目录下的qemu-system-aarch64 -->

            <emulator>/home/zhangqiang/qemu/build/aarch64-softmmu/qemu-system-aarch64</emulator>

        <disk type='file' device='disk'>

            <driver name='qemu' type='qcow2' iothread="1"/>

            <!-- 镜像路径 -->

            <source file='/home/zhangqiang/xunihua/openEuler-22.03-LTS-SP4-aarch64.qcow2'/>

            <target dev='vda' bus='virtio'/>

            <boot order='1'/>

        </disk>

        <!--

        <disk type='file' device='cdrom'>

            <driver name='qemu' type='raw'/>

            <source file='/home/z50040113/target/openEuler-22.03-LTS-SP1-aarch64-dvd.iso'/>

            <readonly/>

            <target dev='sdb' bus='scsi'/>

            <boot order='2'/>

        </disk>

        -->

        <interface type='network'>

            <!-- 建议配置network NAT网络模式 -->

            <source network='default'/>

            <model type='virtio'/>

        </interface>

        <console type='pty'/>

        <video>

               <model type='virtio'/>

        </video>

        <controller type='scsi' index='0' model='virtio-scsi'/>

        <controller type='usb' model='ehci'/>

        <input type='tablet' bus='usb'/>

        <input type='keyboard' bus='usb'/>

        <vsock model='virtio'>

            <cid auto='yes'/>

        </vsock>

        <!-- port 为vnc连接端口，auth 为连接密码 -->

        <!--

        <graphics type='vnc' port='5901' listen='0.0.0.0' password='on' auth='passwd1234!'/>

        -->

    </devices>

    <seclabel type='dynamic' model='dac' relabel='yes'/>

</domain>