60 lines
1.6 KiB
C++
60 lines
1.6 KiB
C++
#include <iostream>
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#include "Vpicorv32_wrapper.h"
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#include "verilated_vcd_c.h"
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int main(int argc, char** argv, char** env) {
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printf("Built with %s %s.\n", Verilated::productName(),
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Verilated::productVersion());
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printf("Recommended: Verilator 4.0 or later.\n");
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Verilated::commandArgs(argc, argv);
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Vpicorv32_wrapper* top = new Vpicorv32_wrapper;
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std::string hexfile;
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if (argc > 1) {
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hexfile = std::string(argv[1]);
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} else {
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hexfile = std::string("firmware/firmware.hex");
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}
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auto hex = (uint8_t*)(top->hex_file.data());
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auto csr = hexfile.c_str();
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for (int i = 0; i < hexfile.size(); i += 1) {
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*(hex + (128 - i)) = *(uint8_t*)(csr + i);
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}
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// Tracing (vcd)
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VerilatedVcdC* tfp = NULL;
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const char* flag_vcd = Verilated::commandArgsPlusMatch("vcd");
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if (flag_vcd && 0 == strcmp(flag_vcd, "+vcd")) {
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Verilated::traceEverOn(true);
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tfp = new VerilatedVcdC;
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top->trace(tfp, 99);
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tfp->open("testbench.vcd");
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}
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// Tracing (data bus, see showtrace.py)
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FILE* trace_fd = NULL;
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const char* flag_trace = Verilated::commandArgsPlusMatch("trace");
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if (flag_trace && 0 == strcmp(flag_trace, "+trace")) {
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trace_fd = fopen("testbench.trace", "w");
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}
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top->wb_clk = 0;
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top->wb_rst = 1;
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int t = 0;
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while (!Verilated::gotFinish()) {
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if (t > 200) top->wb_rst = 0;
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top->wb_clk = !top->wb_clk;
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top->eval();
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if (tfp) tfp->dump(t);
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if (trace_fd && top->wb_clk && top->trace_valid)
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fprintf(trace_fd, "%9.9lx\n", top->trace_data);
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t += 5;
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}
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if (tfp) tfp->close();
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delete top;
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exit(0);
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}
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