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// ----------------------------------------------------------------------------

// SystemC trace header

// Copyright (C) 2008  Embecosm Limited <info@embecosm.com>

// Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>

// This file is part of the cycle accurate model of the OpenRISC 1000 based

// system-on-chip, ORPSoC, built using Verilator.

// This program is free software: you can redistribute it and/or modify it

// under the terms of the GNU Lesser General Public License as published by

// the Free Software Foundation, either version 3 of the License, or (at your

// option) any later version.

// This program is distributed in the hope that it will be useful, but WITHOUT

// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public

// License for more details.

// You should have received a copy of the GNU Lesser General Public License

// along with this program.  If not, see <http://www.gnu.org/licenses/>.

// ----------------------------------------------------------------------------

// $Id: TraceSC.h 302 2009-02-13 17:22:07Z jeremy $

// Drives the Verilator VCD trace interface

#ifndef TRACE_SC__H

#define TRACE_SC__H

#include "Vorpsoc_top.h"

#if VM_TRACE

#include <SpTraceVcdC.h>

#endif

//! Class to drive the Verilator VCD trace interface.

//! Substantive code is only implemented if trace is enabled.

class TraceSC

  : public sc_core::sc_module

{

public:

  // Constructor and destructor

  TraceSC (sc_core::sc_module_name  name,

           Vorpsoc_top        *_traceTarget,

           int argc,

           char * argv[]);

  ~TraceSC ();

    // Method to drive the trace

  void  driveTrace();

  /* The port */

  sc_in<bool>   clk;

private:

  //! The ORPSoC module we are tracing

  Vorpsoc_top *traceTarget;

#if VM_TRACE

  //! The System Perl Trace file

  SpTraceVcdCFile *spTraceFile;

#endif

  // Set the time resolution

  void setSpTimeResolution (sc_time  t);

};      // TraceSC ()

#endif  // TRACE_SC__H