manual/generic/linux/kvm-arm32-guest-on-arm64-host

Description

Test kvm running on arm32 bit guest on arm64 bit host

Boot arm64 bit board
After boot success check for "ls /dev/kvm" kvm device entry
If /dev/kvm not found, mark test case as not applicable and exit
Else continue below steps for installation of required packages
Run "sudo apt-get update"
Run "sudo apt-get install qemu-system wget xz-utils"
Execute the following command to download armv7 kernel Image
wget http://testdata.validation.linaro.org/kvm/zImage-armv7
Execute the following command to download arm minimal rootfs
wget http://testdata.validation.linaro.org/kvm/kvm-armhf.qcow2.xz
xz -d kvm-armhf.qcow2.xz
Test arm32 guest Image on arm64 host
Run "qemu-system-aarch64 -smp 2 -m 512 -cpu host,aarch64=off -M virt -kernel ./zImage-armv7 -append 'root=/dev/vda2 rw rootwait mem=512M console=ttyAMA0,38400n8' -device virtio-blk-device,drive=image -drive if=none,id=image,file=kvm-armhf.qcow2 -nographic -enable-kvm 2>&1 | tee kvm-arm32.log"
Wait for couple of minutes let the qemu start booting guest kernel