57 lines
1.1 KiB
C++
57 lines
1.1 KiB
C++
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#include "Vtop.h"
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#include "verilated.h"
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#include <stdint.h>
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#include <iostream>
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#include <random>
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#include "verilated_vcd_c.h"
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struct state {
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VerilatedContext *ctx;
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Vtop *vtop;
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VerilatedVcdC *trace;
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};
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void posedge(state &state) {
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state.ctx->timeInc(1);
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state.vtop->clk_12m = 1;
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state.vtop->eval();
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state.trace->dump(state.ctx->time());
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state.ctx->timeInc(1);
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state.vtop->clk_12m = 0;
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state.vtop->eval();
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state.trace->dump(state.ctx->time());
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}
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int main(int argc, char **argv) {
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VerilatedContext *vctx = new VerilatedContext;
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Verilated::traceEverOn(true);
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Vtop *vtop = new Vtop(vctx);
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if (argc != 2) {
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std::cout << "Run with argument for destination!" << std::endl;
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return 1;
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}
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VerilatedVcdC *trace = new VerilatedVcdC;
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vtop->trace(trace, 99);
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trace->open(argv[1]);
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std::cout << "(writing trace to " << argv[1] << ")" << std::endl;
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state state = {
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.ctx = vctx,
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.vtop = vtop,
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.trace = trace,
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};
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for (int i = 0; i < 2<<24; i++) {
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posedge(state);
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}
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state.trace->close();
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}
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