- 1. 설치, 실행 환경
- 2. Cross Compiler 설치
- 3. Ubuntu Package 설치
- 4. Kernel Config Download
- 5. Host Kernel, Host dtb Build
- 6. Guest Kernel, Guest dtb Build
- 7. u-boot Build
- 8. 기본 Root Filesystem Image 생성
- 9. Host Root Filesystem 설정
- 10. Guest_01 Root Filesystem 설정
- 11. Guest_02 Root Filesystem 설정
- 12. QEMU Build
- 13. uSD Card Partiton 구성
- 14. uSD Card에 u-boot Fusing
- 15. Host Root Filesystem 복사
- 16. binary, image, dtb 복사
- 17. u-boot 설정
- 18. Host Package 설정
- 19. Host에 Bridge 설정
- 20. Host에 VNC를 통해 접속
- 21. Guest 실행
- 22. 참조
1. 설치, 실행 환경
설치, 실행 환경은 다음과 같다.
- Arndale Board, 8GB uSD
- PC : Ubuntu 14.04LTS 32bit, root User
- VM on KVM : Ubuntu 14.04LTS 32bit, root User
- Cross compiler : arm-linux-gnueabihf-4.9.3
- Network 192.168.0.xxx (NAT)
- HostOS : 192.168.0.150
- br0 : 192.168.0.200
- GeustOS_01 : 192.168.0.160, GeustOS_02 : 192.168.0.161
- tap0 : 192.168.0.201, tap1 : 192.168.0.202
2. Cross Compiler 설치
Kernel Build를 위한 Cross Compiler를 설치한다.
- Download : https://releases.linaro.org/15.02/components/toolchain/binaries/arm-linux-gnueabihf/gcc-linaro-4.9-2015.02-3-x86_64_arm-linux-gnueabihf.tar.xz
...
PATH=$PATH:/usr/local/gcc-linaro-arm-linux-gnueabihf-4.8/bin/usr/local Directory에 압축을 풀고 ~/.bashrc 파일에 [파일 1]의 내용을 추가하여, 어느 Directory에서나 Cross Compiler를 설치 할 수 있도록 한다.
3. Ubuntu Package 설치
# apt-get install gcc-arm-linux-gnueabi
# apt-get install build-essential git u-boot-tools qemu-user-static libncurses5-dev
Kernel Build에 필요한 Ubuntu Package를 설치한다.
4. Kernel Config Download
Kernel Config를 Download 한다.
- Login in : http://www.virtualopensystems.com/
- Guest Kernel Config : http://www.virtualopensystems.com/downloads/guides/kvm_virtualization_on_arndale/guest-config
5. Host Kernel, Host dtb Build
# wget https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.18.3.tar.xz
# tar xvf linux-3.18.3.tar.xz
# mv Kernel_Host
Host Kernel을 Download 한다.
# cd Kernel_Host
# make ARCH=arm exynos_defconfig
# make ARCH=arm menuconfig
-> Kernel hacking -> [*] Kernel low-level debugging functions (read help!) -> Use Samsung S3C UART 2 for low-level debug
-> [*] Early printk
-> Device Driver -> Generic Driver Options
-> [*] Maintain a devtmpfs filesystem to mount at /dev
-> [*] Automount devtmpfs at /dev, after the kernel mounted to the rootfs
-> System Type -> [*] Support for the Large Physical Address Extension [*]
-> [*] Virtualization -> [*] Kernel-based Virtual Machine (KVM) support
-> Device Drivers -> Virtio Drivers -> <*> Platform bus driver for memory mapped virtio devices
-> <*> Virtio ballon driver
-> [*] Memory mapped virtio devices parameter parsing
-> Block Drivers -> <*> Virtio block driver
-> Network device support -> <*> Universal TUN/TAP device driver support
-> <*> Virtio network driver
-> Networking support -> Networking options-> [M] 802.1d Ethernet Bridging
# make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- LOADADDR=0x40008000 uImage
# make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- dtbs
# make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- modules
# make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- INSTALL_MOD_PATH=. modules_install
Host Kernel을 Build 한다.
6. Guest Kernel, Guest dtb Build
# wget https://www.kernel.org/pub/linux/kernel/v3.x/linux-3.18.3.tar.xz
# tar xvf linux-3.18.3.tar.xz
# mv Kernel_Guest
Guest Kernel을 Download 한다.
# cd Kernel_Guest
# cp ../guest-config .config
# make ARCH=arm menuconfig
-> Device Driver -> Generic Driver Options -> [*] Maintain a devtmpfs filesystem to mount at /dev
-> [*] Automount devtmpfs at /dev, after the kernel mounted to the rootfs
# make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf-
# cp arch/arm/boot/dts/armvexpress-v2p-ca15-tc1.dtb arch/arm/boot/dts/guest-vexpress.dtb
Guest Kernel을 Build 한다.
7. u-boot Build
# git clone git://github.com/virtualopensystems/u-boot-arndale.git Arndale_u-boot
# cd Arndale_u-boot
# make ARCH=arm CROSS_COMPILE=arm-linux-gnueabihf- arndale5250
u-boot를 Build 한다.
8. 기본 Root Filesystem Image 생성
# mkdir rootfs
# cd rootfs
# dd if=/dev/zero bs=1M count=700 of=rootfs.img
# /sbin/mkfs.ext3 rootfs.img (Proceed anyway? (y,n) y)
# mount -o loop rootfs.img /mnt
Rootfs Img 파일을 생성한다.
# cd /mnt
# qemu-debootstrap --arch=armhf trusty .
debootstrap을 이용하여 기본 Rootfs을 구성한다.
# vim etc/apt/sources.list
-> deb http://ports.ubuntu.com/ trusty main restricted universe
-> deb-src http://ports.ubuntu.com/ trusty main restricted universe
# cp etc/init/tty1.conf etc/init/ttySAC2.conf
# vim etc/init/ttySAC2.conf
-> change all 'tty1' to 'ttySAC2'
-> change '38400' to '115200'
# cp etc/init/tty1.conf etc/init/ttyAMA0.conf
# vim etc/init/ttyAMA0.conf
-> change all 'tty1' to 'ttyAMA0'
# vim etc/securetty
-> add 'ttySAC2'
# vim etc/network/interfaces
-> 'auto eth0
iface eth0 inet dhcp'
Rootfs Configuration을 진행한다.
# chroot .
(chroot) # passwd
(chroot) # exit
# umount /mnt
root의 password를 설정한다.
9. Host Root Filesystem 설정
# cp rootfs.img rootfs_host.img
# mount -o loop rootfs_host.img /mnt
# vi /mnt/etc/hostname
-> host
# cp -R ../Kernel_Host/lib/modules /mnt/lib
# umount /mnt
생성한 기본 Rootfs을 이용하여 Host의 Root Filesystem을 생성한다.
10. Guest_01 Root Filesystem 설정
# cp rootfs.img rootfs_guest_01.img
# mount -o loop rootfs_guest_01.img /mnt
# echo guest01 > /mnt/etc/hostname
# cat << EOF > /mnt/etc/network/interfaces
auto eth0
iface eth0 inet static
address 192.168.0.160
netmask 255.255.255.0
gateway 192.168.0.1
dns-nameservers 8.8.8.8
# umount /mnt
생성한 기본 Rootfs을 이용하여 Guest 01의 Root Filesystem을 생성한다.
11. Guest_02 Root Filesystem 설정
# cp rootfs.img rootfs_guest_02.img
# mount -o loop rootfs_guest_02.img /mnt
# echo guest02 > /mnt/etc/hostname
# cat << EOF > /mnt/etc/network/interfaces
auto eth0
iface eth0 inet static
address 192.168.0.161
netmask 255.255.255.0
gateway 192.168.0.1
dns-nameservers 8.8.8.8'
EOF
# umount /mnt
생성한 기본 Rootfs을 이용하여 Guest 02의 Root Filesystem을 생성한다.
12. QEMU Build
# apt-get install xapt
# cat << EOF >> /etc/apt/sources.list.d/armel-precise.list
deb [arch=armel] http://ports.ubuntu.com/ubuntu-ports precise main restricted universe multiverse
deb-src [arch=armel] http://ports.ubuntu.com/ubuntu-ports precise main restricted universe multiverse
EOF
# xapt -a armel -m -b zlib1g-dev libglib2.0-dev libfdt-dev libpixman-1-dev
# dpkg -i /var/lib/xapt/output/*.deb
# apt-get install pkg-config-arm-linux-gnueabi
# git clone git://github.com/virtualopensystems/qemu.git
# cd qemu
# git checkout origin/kvm-arm-virtio-fb-hack -b virtio
# ./configure --cross-prefix=arm-linux-gnueabi- --target-list=arm-softmmu --audio-drv-list="" --enable-fdt --enable-kvm --static
# make
QEMU를 Build 한다.
13. uSD Card Partiton 구성
uSD Card의 Partiton을 아래와 같이 구성한다.
- 0 ~ 2M, 2M, No Filesystem: Bootloader (bl1, spl, U-boot)
- 2M ~ 18M, 16M, ext2, boot : uImage, exynos5250-arndale.dtb
- 18M ~ rest, ext3, root : Root-Filesystem
14. uSD Card에 u-boot Fusing
# cd Arndale-u-boot
# wget http://www.virtualopensystems.com/downloads/guides/kvm_virtualization_on_arndale/arndale-bl1.bin
# dd if=arndale-bl1.bin of=/dev/sdb bs=512 seek=1
# dd if=spl/smdk5250-spl.bin of=/dev/sdb bs=512 seek=17
# dd if=u-boot.bin of=/dev/sdb bs=512 seek=49
uSD Card에 u-boot를 Fusing 한다.
15. Host Root Filesystem 복사
# mount -o loop rootfs_host.img /mnt
# cd /mnt
# cp -a * (MicroSD root Partition)
# sync
uSD Card에 Host Root Filesystem을 복사한다.
16. binary, image, dtb 복사
Host Kernel uImage, exynos5250-arndale.dtb 파일을 uSD Card boot Partition에 복사한다. Host Guest zImage, qemu-system-arm, rootfs_host.img, rootfs_guest_01.img, rootfs_guest_02.img, guest-vexpress.dtb 파일을 root Partition에 복사한다.
17. u-boot 설정
(u-boot) # setenv kernel_addr_r 0x40007000
(u-boot) # setenv dtb_addr_r 0x42000000
(u-boot) # setenv bootcmd 'ext2load mmc 0:1 $kernel_addr_r /uImage; ext2load mmc 0:1 $dtb_addr_r /exynos5250-arndale.dtb; bootm $kernel_addr_r - $dtb_addr_r'
(u-boot) # setenv bootargs 'root=/dev/mmcblk1p2 rw rootwait earlyprintk console=ttySAC2,115200n8 --no-log'
(u-boot) # save
u-boot를 설정한다.
18. Host Package 설정
(Host) # apt-get update (Host) # apt-get install gcc make ssh xorg fluxbox tightvncserver (Host) # apt-get install libsdl-dev libfdt-dev bridge-utils uml-utilities
Arndale Board에서 uSD Card를 넣고 Host Booting 후, Host에서 Guest 구동을 위한 Package를 설치한다.
19. Host에 Bridge 설정
(Host) # brctl addbr br0
(Host) # brctl addif br0 eth0
(Host) # ifconfig br0 192.168.0.150 up
(Host) # ifconfig eth0 0.0.0.0 up
(Host) # route add default gw 192.168.0.1
Host에 Guest를 위한 Bridge를 설정한다.
20. Host에 VNC를 통해 접속
(Host) # tightvncserver -nolisten tcp :1
Host에서 VNC Server를 실행한다. VNC Client를 통해서 192.168.0.150:1에 접속한다.
21. Guest 실행
(Host) # tunctl -u root
(Host) # ifconfig tap0 192.168.0.200 up
(Host) # brctl addif br0 tap0
(Host) # ./qemu-system-arm \
-enable-kvm -kernel guest_zImage \
-nographic -dtb ./guest-vexpress.dtb \
-m 512 -M vexpress-a15 -cpu cortex-a15 \
-netdev type=tap,id=net0,script=no,downscript=no,ifname="tap0" \
-device virtio-net,transport=virtio-mmio.1,netdev=net0 \
-device virtio-blk,drive=virtio-blk,transport=virtio-mmio.0 \
-drive file=./rootfs_guest_01.img,id=virtio-blk,if=none \
-append "earlyprintk console=ttyAMA0 mem=512M root=/dev/vda rw --no-log virtio_mmio.device=1M@0x4e000000:74:0 virtio_mmio.device=1M@0x4e100000:75:1"
(Host) # tunctl -u root
(Host) # ifconfig tap1 192.168.0.201 up
(Host) # brctl addif br0 tap1
(Host) # ./qemu-system-arm \
-enable-kvm -kernel guest_zImage \
-nographic -dtb ./guest-vexpress.dtb \
-m 512 -M vexpress-a15 -cpu cortex-a15 \
-netdev type=tap,id=net0,script=no,downscript=no,ifname="tap1" \
-device virtio-net,transport=virtio-mmio.1,netdev=net0 \
-device virtio-blk,drive=virtio-blk,transport=virtio-mmio.0 \
-drive file=./rootfs_guest_02.img,id=virtio-blk,if=none \
-append "earlyprintk console=ttyAMA0 mem=512M root=/dev/vda rw --no-log virtio_mmio.device=1M@0x4e000000:74:0 virtio_mmio.device=1M@0x4e100000:75:1"
VNC Shell에서 각 Guest를 실행한다.