module tb_top ();

    logic clk;
    logic nreset;

    clkgen clkgen_inst (
        .clk_o   (clk),
        .nreset_o(nreset)
    );

    gb gb_inst (
        .clk_i   (clk),
        .nreset_i(nreset)
    );


endmodule : tb_top