verilator/examples/make_protect_lib/sim_main.cpp

73 lines
1.6 KiB
C++

// DESCRIPTION: Verilator: --protect-lib example module
//
// This file ONLY is placed into the Public Domain, for any use,
// without warranty, 2019 by Todd Strader.
//======================================================================
// See examples/tracing_c for notes on tracing
// Include common routines
#include <verilated.h>
#include "Vtop.h"
#if VM_TRACE
# include <verilated_vcd_c.h>
#endif
vluint64_t main_time = 0;
double sc_time_stamp() {
return main_time;
}
int main(int argc, char** argv, char** env) {
if (0 && argc && argv && env) {}
Verilated::debug(0);
Verilated::randReset(2);
Verilated::commandArgs(argc, argv);
// Construct the Verilated model, including the secret module
Vtop* top = new Vtop;
#if VM_TRACE
// When tracing, the contents of the secret module will not be seen
VerilatedVcdC* tfp = NULL;
const char* flag = Verilated::commandArgsPlusMatch("trace");
if (flag && 0==strcmp(flag, "+trace")) {
Verilated::traceEverOn(true);
VL_PRINTF("Enabling waves into logs/vlt_dump.vcd...\n");
tfp = new VerilatedVcdC;
top->trace(tfp, 99);
Verilated::mkdir("logs");
tfp->open("logs/vlt_dump.vcd");
}
#endif
top->clk = 0;
// Simulate until $finish
while (!Verilated::gotFinish()) {
main_time++;
top->clk = ~top->clk & 0x1;
top->eval();
#if VM_TRACE
if (tfp) tfp->dump(main_time);
#endif
}
// Final model cleanup
top->final();
// Close trace if opened
#if VM_TRACE
if (tfp) { tfp->close(); tfp = NULL; }
#endif
// Destroy model
delete top; top = NULL;
// Fin
exit(0);
}