109 lines
2.6 KiB
C++
109 lines
2.6 KiB
C++
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// Copyright 2018 Robert Balas <balasr@student.ethz.ch>
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Top level wrapper for a verilator RI5CY testbench
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// Contributor: Robert Balas <balasr@student.ethz.ch>
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#include "svdpi.h"
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#include "Vtb_top_verilator__Dpi.h"
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#include "Vtb_top_verilator.h"
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#include "verilated_vcd_c.h"
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#include "verilated.h"
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#include <iostream>
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#include <iomanip>
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#include <fstream>
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#include <exception>
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#include <cstdio>
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#include <cstdint>
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#include <cerrno>
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//void dump_memory();
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double sc_time_stamp();
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static vluint64_t t = 0;
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Vtb_top_verilator *top;
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int main(int argc, char **argv, char **env)
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{
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Verilated::commandArgs(argc, argv);
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Verilated::traceEverOn(true);
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top = new Vtb_top_verilator();
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//svSetScope(svGetScopeFromName(
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// "TOP.tb_top_verilator.u_ram.ram"));
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//Verilated::scopesDump();
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#ifdef VCD_TRACE
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VerilatedVcdC *tfp = new VerilatedVcdC;
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top->trace(tfp, 99);
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tfp->open("verilator_tb.vcd");
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#endif
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top->fetch_enable_i = 1;
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top->clk_i = 0;
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top->rst_ni = 0;
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top->eval();
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//dump_memory();
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while (!Verilated::gotFinish()) {
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if (t > 40)
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top->rst_ni = 1;
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top->clk_i = !top->clk_i;
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top->eval();
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#ifdef VCD_TRACE
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tfp->dump(t);
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#endif
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t += 5;
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if (t > 1000)
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break;
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}
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#ifdef VCD_TRACE
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tfp->close();
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#endif
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delete top;
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exit(0);
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}
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double sc_time_stamp()
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{
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return t;
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}
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/*
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void dump_memory()
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{
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errno = 0;
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std::ofstream mem_file;
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svLogicVecVal addr = {0};
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mem_file.exceptions(std::ofstream::failbit | std::ofstream::badbit);
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try {
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mem_file.open("memory_dump.bin");
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for (size_t i = 0; i < 1048576; i++) {
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addr.aval = i;
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uint32_t val = read_byte(&addr);
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mem_file << std::setfill('0') << std::setw(2) << std::hex << val
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<< std::endl;
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}
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mem_file.close();
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std::cout << "finished dumping memory" << std::endl;
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} catch (std::ofstream::failure e) {
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std::cerr << "exception opening/reading/closing file memory_dump.bin\n";
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}
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}
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*/
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