1 #include "verilated_vcd_c.h"
 2 #include "Vtop.h"
 3 
 4 vluint64_t main_time = 0;
 5 
 6 double sc_time_stamp()
 7 {
 8     return main_time;
 9 }
10 
11 int main(int argc, char **argv)
12 {
13     Verilated::commandArgs(argc, argv);
14     Verilated::traceEverOn(true);
15     VerilatedVcdC* tfp = new VerilatedVcdC;
16 
17     Vtop *top = new Vtop("top");
18 
19     top->clk    = 0;
20     top->rst_n  = 0;
21 
22     top->trace(tfp, 0);
23     tfp->open("wave.vcd");
24 
25     while (sc_time_stamp() < 1000 && !Verilated::gotFinish()) {
26         if (main_time > 14) {
27             top->rst_n = 1;
28         }
29         if ((main_time % 10) == 5) {
30             top->clk = 1;
31         }
32         if ((main_time % 10) == 0) {
33             top->clk = 0;
34         }
35 
36         top->eval();
37         tfp->dump(main_time);
38         main_time++;
39     }
40 
41     top->final();
42     tfp->close();
43     delete top;
44 
45     return 0;
46 }

 1 # Makefile for Verilator
 2 
 3 export PRJ_PATH=$(shell pwd)/..
 4 export DESIGN=top
 5 
 6 all:
 7     @echo "Verification based on Verilator"
 8 
 9 cmp:
10     verilator -Wno-fatal top.v main.cpp --top-module $(DESIGN) --cc --trace --exe
11     make -C obj_dir -f V$(DESIGN).mk V$(DESIGN)
12 
13 run:
14     ./obj_dir/V$(DESIGN)
15 
16 wave:
17     gtkwave wave.vcd &
18 
19 clean:
20     @rm -rf obj_dir wave.vcd