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// ----------------------------------------------------------------------------
 
// RSP packet: definition
 
// 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: RspPacket.h 326 2009-03-07 16:47:31Z jeremy $
 
#ifndef RSP_PACKET__H
#define RSP_PACKET__H
 
#include <iostream>
 
//-----------------------------------------------------------------------------
//! Class for RSP packets
 
//! Can't be null terminated, since it may include zero bytes
//-----------------------------------------------------------------------------
class RspPacket {
public:
 
	//! The data buffer. Allow direct access to avoid unnecessary copying.
	char *data;
 
	// Constructor and destructor
	 RspPacket(int _bufSize);
	~RspPacket();
 
	// Pack a constant string into a packet
	void packStr(const char *str);	// For fixed packets
 
	// Accessors
	int getBufSize();
	int getLen();
	void setLen(int _len);
 
private:
 
	//! The data buffer size
	int bufSize;
 
	//! Number of chars in the data buffer (<= bufSize)
	int len;
 
};
 
//! Stream output
std::ostream & operator<<(std::ostream & s, RspPacket & p);
 
#endif // RSP_PACKET_SC__H