Virt machine

qemu-system-xtensa -cpu dc233c -M virt -m 2G -nographic -semihosting \
-monitor null -serial mon:stdio \
-device virtio-blk-pci,drive=vd0 \
-drive file=~/ws/tensilica/buildroot/build-xtensa-testing/images/rootfs.ext2.orig,format=raw,id=vd0 \
-device virtio-rng-pci -s \
-kernel builds/default-virt-dc233c/arch/xtensa/boot/Image.elf \
-append 'console=ttyS0,115200n8 debug root=/dev/vda'