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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