hw/top_englishbreakfast/chip_englishbreakfast_verilator.cc

// Copyright lowRISC contributors.
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0

#include <iostream>

#include "verilated_toplevel.h"
#include "verilator_memutil.h"
#include "verilator_sim_ctrl.h"

int main(int argc, char **argv) {
  chip_englishbreakfast_verilator top;
  VerilatorMemUtil memutil;
  VerilatorSimCtrl &simctrl = VerilatorSimCtrl::GetInstance();
  simctrl.SetTop(&top, &top.clk_i, &top.rst_ni,
                 VerilatorSimCtrlFlags::ResetPolarityNegative);

  std::string top_scope(
      "TOP.chip_englishbreakfast_verilator."
      "top_englishbreakfast");
  std::string ram1p_adv_scope(
      "u_prim_ram_1p_adv.u_mem."
      "gen_generic.u_impl_generic");

  MemArea rom(top_scope +
                  ".u_rom_ctrl.gen_rom_scramble_disabled.u_rom."
                  "u_prim_rom.gen_generic.u_impl_generic",
              0x4000 / 4, 4);
  MemArea ram(top_scope + ".u_ram1p_ram_main." + ram1p_adv_scope, 0x20000 / 4,
              4);
  MemArea flash(top_scope +
                    ".u_flash_ctrl.u_eflash.u_flash.gen_generic.u_impl_generic."
                    "gen_prim_flash_banks[0].u_prim_flash_bank.u_mem."
                    "gen_generic.u_impl_generic",
                0x100000 / 8, 8);

  memutil.RegisterMemoryArea("rom", 0x8000, &rom);
  memutil.RegisterMemoryArea("ram", 0x10000000u, &ram);
  memutil.RegisterMemoryArea("flash", 0x20000000u, &flash);
  simctrl.RegisterExtension(&memutil);

  // see chip_earlgrey_verilator.cc for justification and explanation
  simctrl.SetInitialResetDelay(1000);
  simctrl.SetResetDuration(10);

  std::cout << "Simulation of OpenTitan English Breakfast" << std::endl
            << "=================================" << std::endl
            << std::endl;

  return simctrl.Exec(argc, argv).first;
}