moduletop(input a,input b,output f
);assign f = a ^ b;
endmodule
编写main.c文件
#include#include#include#include"Vtop.h"// create `top.v`,so use `Vtop.h`#include"verilated.h"#include"verilated_vcd_c.h"//可选,如果要导出vcd则需要加上intmain(int argc,char** argv,char** env){VerilatedContext* contextp = new VerilatedContext;contextp->commandArgs(argc, argv);Vtop* top = new Vtop{contextp};VerilatedVcdC* tfp = new VerilatedVcdC;//初始化VCD对象指针contextp->traceEverOn(true);//打开追踪功能top->trace(tfp,0);//tfp->open("wave.vcd");//设置输出的文件wave.vcdwhile(!contextp->gotFinish()){int a =rand()&1;int b =rand()&1;top->a = a;top->b = b;top->eval();printf("a = %d, b = %d, f = %d\n", a, b, top->f);tfp->dump(contextp->time());//dump wavecontextp->timeInc(1);//推动仿真时间assert(top->f == a ^ b);}delete top;tfp->close();delete contextp;return0;}