在aarch64主机中使用qemu启动虚机

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1. host

CentOS Linux release 7.2.1603 (AltArch) aarch64
kernel: 3.19.0-0.79.aa7a.aarch64

检查内核是否支持kvm

$dmesg | grep -i kvm
[ 0.364920] kvm [1]: GICH base=0x780c0000, GICV base=0x780e0000, IRQ=122
[ 0.365026] kvm [1]: timer IRQ3
[ 0.365039] kvm [1]: Hyp mode initialized successfully

2. 安装必须的包

sudo yum install -y qemu-system-aarch64

3. 下载uefi.img和QEMU_EFI.fd

wget https://releases.linaro.org/components/kernel/uefi-linaro/15.12/release/qemu64/QEMU_EFI.fdwget https://mirrors.tuna.tsinghua.edu.cn/ubuntu-cloud-images/xenial/20161124/xenial-server-cloudimg-arm64-uefi1.img

4. 制作cloud.img

创建cloud.txt文件，内容如下，其中ssh-rsa换做你本地的id_rsa.pub

#cloud-configusers:  - name: <your_username>    ssh-authorized-keys:      - ssh-rsa AAAAB3NzaC1y....    sudo: ['ALL=(ALL) NOPASSWD:ALL']    groups: sudo    shell: /bin/bash

创建cloud.img

# 根据cloud.txt内容创建镜像cloud.img$cloud-localds cloud.img cloud.txt

5. 启动镜像

qemu-system-aarch64 -smp 4 -m 8092 -M virt -bios QEMU_EFI.fd -nographic \       -device virtio-blk-device,drive=image \       -drive if=none,id=image,file=xenial-server-cloudimg-arm64-uefi1.img \       -device virtio-blk-device,drive=cloud \       -drive if=none,id=cloud,file=cloud.img \       -netdev user,id=user0,hostfwd=tcp::2222-:22 -device virtio-net-device,netdev=user0 \       -enable-kvm -cpu host

6. 登录

ssh -p 2222 <your_username>@localhost

成功后如下所示：

[root@APM html]# ssh -p 2222 root@localhostWelcome to Ubuntu 16.04.1 LTS (GNU/Linux 4.4.0-47-generic aarch64) * Documentation:  https://help.ubuntu.com * Management:     https://landscape.canonical.com * Support:        https://ubuntu.com/advantage  Get cloud support with Ubuntu Advantage Cloud Guest:    http://www.ubuntu.com/business/services/cloud0 packages can be updated.0 updates are security updates.Last login: Fri Nov 25 12:22:42 2016 from 10.0.2.2root@ubuntu:~# cat /etc/os-releaseNAME="Ubuntu"VERSION="16.04.1 LTS (Xenial Xerus)"ID=ubuntuID_LIKE=debianPRETTY_NAME="Ubuntu 16.04.1 LTS"VERSION_ID="16.04"HOME_URL="http://www.ubuntu.com/"SUPPORT_URL="http://help.ubuntu.com/"BUG_REPORT_URL="http://bugs.launchpad.net/ubuntu/"VERSION_CODENAME=xenialUBUNTU_CODENAME=xenial

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