Run the emulation with: qemu-system-sh4eb -M r2d -kernel output/images/zImage -drive file=output/images/rootfs.ext2,if=ide,format=raw -append "rootwait root=/dev/sda console=ttySC1,115200 noiotrap" -serial null -serial stdio -net nic,model=rtl8139 -net user The login prompt will appear in the terminal that started Qemu. The graphical window is the framebuffer. Tested with QEMU 2.12.0