安装qemu

 

在“System Settings”下的“Software & Updates”选择下载自，选国内，阿里云或者网易等。

sudo apt-get install qemu libncurses5-dev gcc-arm-linux-gnueabi build-essential gdb-arm-none-eabi gcc-aarch64-linux-gnu eclipse-cdt git

 

  165  cd code
  166  ls
  167  mkdir runninglinuxkernel
  168  cd runninglinuxkernel/

从github拉取内核代码
  169  git clone https://e.coding.net/benshushu/runninglinuxkernel_4.0.git -b rlk_basic
  170  ls
  171  cd runninglinuxkernel_4.0/
  172  ls
  173  $PATH

编译环境配置
  174  arm-linux-gnueabi-gcc
  175  arm-linux-gnueabi-gcc -info
  176  export ARCH=arm
  177  ls
  178  export CROSS_COMPILE=arm-none-eabi-

编译内核
  179  make vexpress_deconfig
  180  ls
  181  make vexpress_defconfig
  182  ls -al
  183  cd dev

文件系统
  184  cd _install_arm32/
  185  ls
  186  cd dev
  187  mkdir dev
  188  cd dev
  189  ls

创建文件系统节点
  190  sudo mknod console c 5 1
  191  ls
  192  cd ./../
  193  make menuconfig
  194  cd ../
  195  make menuconfig

编译内核
  197  make bzImage -j4

编译设备树
  198  make dtbs

运行qemu的vexpress
  199  qemu-system-arm -nographic -M vexpress-a9 -m 1024M -kernel arch/arm/boot/zImage -append "rdinit=/linuxrc console=ttyAMA0 loglevel=8" -dtb arch/arm/boot/dts/vexpress-v2p-ca9.dtb