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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();
 
	// VCD dump controling vars
	int dump_start_delay, dump_stop_set;
	int dumping_now;
	sc_time dump_start, dump_stop;
 
	/* 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