addrmap top {
    //---------------------------------
    reg {
        field ctrl_t {
            sw=rw; hw=na;
        };
        ctrl_t irq0[8] = 0;
        ctrl_t irq1[1] = 0;
    }
    ctrl_enable     @ 0x100,
    ctrl_mask       @ 0x104,
    ctrl_haltenable @ 0x108,
    ctrl_haltmask   @ 0x10c;
    reg {
        field ctrl_t {
            sw=rw; hw=na;
        };
        ctrl_t irq0[1] = 0;
        ctrl_t irq1[1] = 0;
    }
    ctrl_we         @ 0x110,
    ctrl_wel        @ 0x114;
    //---------------------------------

    reg {
        field intr_t {
            sw=rw; hw=w;
            level intr;
            woclr;
        };

        intr_t irq0[8] = 0;
        intr_t irq1[1] = 0;
    }
    level_irqs_1 @ 0x0,
    level_irqs_2 @ 0x4,
    level_irqs_3 @ 0x8;

    level_irqs_2.irq0->enable = ctrl_enable.irq0;
    level_irqs_2.irq1->enable = ctrl_enable.irq1;
    level_irqs_2.irq0->haltenable = ctrl_haltenable.irq0;
    level_irqs_2.irq1->haltenable = ctrl_haltenable.irq1;
    level_irqs_3.irq0->mask = ctrl_mask.irq0;
    level_irqs_3.irq1->mask = ctrl_mask.irq1;
    level_irqs_3.irq0->haltmask = ctrl_haltmask.irq0;
    level_irqs_3.irq1->haltmask = ctrl_haltmask.irq1;

    reg {
        field intr_t {
            sw=rw; hw=w;
            level intr;
            woclr;
            we;
        };

        intr_t irq0[8] = 0;
        intr_t irq1[1] = 0;
    } level_irqs_we @ 0x10;

    reg {
        field intr_t {
            sw=rw; hw=w;
            level intr;
            woclr;
            wel;
        };

        intr_t irq0[8] = 0;
        intr_t irq1[1] = 0;
    } level_irqs_wel @ 0x14;

    level_irqs_we.irq0->we = ctrl_we.irq0;
    level_irqs_we.irq1->we = ctrl_we.irq1;
    level_irqs_wel.irq0->wel = ctrl_wel.irq0;
    level_irqs_wel.irq1->wel = ctrl_wel.irq1;

    //---------------------------------

    reg {
        field intr_t {
            sw=rw; hw=w;
            posedge intr;
            woclr;
        };

        intr_t irq0[8] = 0;
        intr_t irq1[1] = 0;
    } posedge_irqs @ 0x20;

    reg {
        field intr_t {
            sw=rw; hw=w;
            posedge intr;
            woclr;
        };

        intr_t irq0[8] = 0;
        intr_t irq1[1] = 0;
    } posedge_we_irqs @ 0x24;

    posedge_we_irqs.irq0->we = ctrl_we.irq0;
    posedge_we_irqs.irq1->we = ctrl_we.irq1;

    reg {
        field intr_t {
            sw=rw; hw=w;
            posedge intr;
            woclr;
        };

        intr_t irq0[8] = 0;
        intr_t irq1[1] = 0;
    } posedge_wel_irqs @ 0x28;

    posedge_wel_irqs.irq0->wel = ctrl_wel.irq0;
    posedge_wel_irqs.irq1->wel = ctrl_wel.irq1;

    //---------------------------------

    reg {
        field intr_t {
            sw=rw; hw=w;
            negedge intr;
            woclr;
        };

        intr_t irq0[8] = 0;
        intr_t irq1[1] = 0;
    } negedge_irqs @ 0x30;

    reg {
        field intr_t {
            sw=rw; hw=w;
            negedge intr;
            woclr;
        };

        intr_t irq0[8] = 0;
        intr_t irq1[1] = 0;
    } negedge_we_irqs @ 0x34;

    negedge_we_irqs.irq0->we = ctrl_we.irq0;
    negedge_we_irqs.irq1->we = ctrl_we.irq1;

    reg {
        field intr_t {
            sw=rw; hw=w;
            negedge intr;
            woclr;
        };

        intr_t irq0[8] = 0;
        intr_t irq1[1] = 0;
    } negedge_wel_irqs @ 0x38;

    negedge_wel_irqs.irq0->wel = ctrl_wel.irq0;
    negedge_wel_irqs.irq1->wel = ctrl_wel.irq1;

    //---------------------------------

    reg {
        field intr_t {
            sw=rw; hw=w;
            bothedge intr;
            woclr;
        };

        intr_t irq0[8] = 0;
        intr_t irq1[1] = 0;
    } bothedge_irqs @ 0x40;

    reg {
        field intr_t {
            sw=rw; hw=w;
            bothedge intr;
            woclr;
        };

        intr_t irq0[8] = 0;
        intr_t irq1[1] = 0;
    } bothedge_we_irqs @ 0x44;

    bothedge_we_irqs.irq0->we = ctrl_we.irq0;
    bothedge_we_irqs.irq1->we = ctrl_we.irq1;

    reg {
        field intr_t {
            sw=rw; hw=w;
            bothedge intr;
            woclr;
        };

        intr_t irq0[8] = 0;
        intr_t irq1[1] = 0;
    } bothedge_wel_irqs @ 0x48;

    bothedge_wel_irqs.irq0->wel = ctrl_wel.irq0;
    bothedge_wel_irqs.irq1->wel = ctrl_wel.irq1;

    //---------------------------------

    reg {
        field intr_t {
            sw=r; hw=w;
            nonsticky intr;
        };

        intr_t level_active[1];
        intr_t posedge_active[1];
        intr_t negedge_active[1];
        intr_t bothedge_active[1];
        intr_t level_halt_active[1];
    } top_irq @ 0x50;

    top_irq.level_active->next = level_irqs_1->intr;
    top_irq.posedge_active->next = posedge_irqs->intr;
    top_irq.negedge_active->next = negedge_irqs->intr;
    top_irq.bothedge_active->next = bothedge_irqs->intr;
    top_irq.level_halt_active->next = level_irqs_2->halt;

    //---------------------------------
    reg {
        field {
            sw=rw; hw=w;
            sticky;
        } stickyfield[8] = 0;
    } stickyreg @ 0x60;

};