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基于qemu+kvm技术的Android双系统
This project forked from sheng9527/qemu-of-android
基于qemu+kvm技术的Android双系统
基于android模拟器方案的android双系统之opengl接口透穿方案 1、host_qemu --- 从qemu原生版本拉取的,拥有对接虚拟机系统内核的能力,收取虚拟机系统下发的opengl接口指令序列化数据,转发给OpenglRender;运行于原生系统。 2、OpenglRender --- 移植android 模拟器源码,执行opengl指令、显示绘制数据;运行于原生系统。 3、vm_kernel_qemupipe --- 移植android goldfish源码,虚拟机系统内核管道设备,透穿虚拟机系统内核,将数据下发给运行于原生系统的qemu(host_qemu)。 性能: 1、操作桌面、一般的app都是比较流畅的 2、操作复杂的游戏APP比较卡,会出现丢帧现象 3、使用gfxinfo工具检测性能,会看见15~20MS的延迟每一帧 完整过程: 1、需要实体机的代码,调通kvm特性 2、下载google android源码,最好是android 5.0 ,这份代码是vm android,内核使用goldfish版本 3、将qemu交叉编译到实体机上,尝试跑通android 虚拟机,这个过程有很多BUG要解,最好使用我提供的qemu版本,我在那上面解过BUG,且我的qemu是从标准qemu分支拉出来的,最重要的我这个qemu能穿透opengl接口,有GPU虚拟化方案和input虚拟化办法,并没有使用android模拟器的qemu,你们可以试一试android的qemu 4、将OpenglRender编出来,运行在实体机中,它通过socket与qemu通信,执行一系列的opengl操作,并将虚拟机显示在一张surface中,最终虚拟机界面会出现在实体机中 5、对android比较熟悉的人,会很快实现的,当时我实现这个的时候对android一窍不通,一步一步的摸索 6、android虚拟机双系统论文地址http://systems.cs.columbia.edu/projects/kvm-arm/ 各种设备虚拟化理论http://www.virtualopensystems.com/
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