{ pkgs, ... }: { environment.systemPackages = with pkgs; [ qemu quickemu quickgui nemu ]; systemd.tmpfiles.rules = [ "L+ /var/lib/qemu/firmware - - - - ${pkgs.qemu}/share/qemu/firmware" ]; boot.binfmt.emulatedSystems = [ "aarch64-linux" "riscv64-linux" ]; virtualisation.libvirtd.enable = true; environment.etc."qemu/bridge.conf".text = '' allow br0 ''; }