addrmap top {
    reg {
        field {
            sw=rw;
            hw=w; we;
            precedence=sw;
        } f_sw = 0;
        field {
            sw=rw;
            hw=w; we;
            precedence=hw;
        } f_hw = 0;
    } r1 @ 0x0;

    reg {
        default counter;
        default sw=r;
        default hw=na;

        field {} f_sw_count[3:0] = 0;
        field {} f_hw_count[7:4] = 0;
    } r1_events @ 0x4;

    r1_events.f_sw_count->incr = r1.f_sw;
    r1_events.f_hw_count->incr = r1.f_hw;
};