// ----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// RSP packet: implementation
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// RSP packet: implementation
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// Copyright (C) 2008 Embecosm Limited <info@embecosm.com>
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// Copyright (C) 2008 Embecosm Limited <info@embecosm.com>
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// Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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// Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
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// This file is part of the cycle accurate model of the OpenRISC 1000 based
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// This file is part of the cycle accurate model of the OpenRISC 1000 based
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// system-on-chip, ORPSoC, built using Verilator.
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// system-on-chip, ORPSoC, built using Verilator.
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// This program is free software: you can redistribute it and/or modify it
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// This program is free software: you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License as published by
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// under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or (at your
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// the Free Software Foundation, either version 3 of the License, or (at your
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// option) any later version.
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// option) any later version.
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// This program is distributed in the hope that it will be useful, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
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// License for more details.
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// License for more details.
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// You should have received a copy of the GNU Lesser General Public License
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// You should have received a copy of the GNU Lesser General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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// ----------------------------------------------------------------------------
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// ----------------------------------------------------------------------------
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// $Id: RspPacket.cpp 327 2009-03-07 19:10:56Z jeremy $
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// $Id: RspPacket.cpp 327 2009-03-07 19:10:56Z jeremy $
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#include <iomanip>
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#include <iomanip>
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#include <iostream>
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#include <iostream>
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#include <cstring>
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#include <cstring>
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#include <cerrno>
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#include <cerrno>
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#include <cstdio>
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#include <cstdio>
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#include "RspPacket.h"
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#include "RspPacket.h"
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#include "Utils.h"
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#include "Utils.h"
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using std::ostream;
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using std::ostream;
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using std::cerr;
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using std::cerr;
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using std::dec;
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using std::dec;
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using std::endl;
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using std::endl;
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using std::hex;
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using std::hex;
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using std::setfill;
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using std::setfill;
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using std::setw;
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using std::setw;
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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//! Constructor
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//! Constructor
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//! Allocate the new data buffer
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//! Allocate the new data buffer
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//! @param[in] _rspConnection The RSP connection we will use
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//! @param[in] _rspConnection The RSP connection we will use
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//! @param[in] _bufSize Size of data buffer to allocate
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//! @param[in] _bufSize Size of data buffer to allocate
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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RspPacket::RspPacket (int _bufSize) :
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RspPacket::RspPacket(int _bufSize):
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bufSize (_bufSize)
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bufSize(_bufSize)
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{
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{
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data = new char [_bufSize];
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data = new char[_bufSize];
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} // RspPacket ();
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} // RspPacket ();
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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//! Destructor
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//! Destructor
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//! Give back the data buffer
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//! Give back the data buffer
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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RspPacket::~RspPacket ()
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RspPacket::~RspPacket()
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{
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{
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delete [] data;
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delete[]data;
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} // ~RspPacket ()
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} // ~RspPacket ()
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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//! Pack a string into a packet.
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//! Pack a string into a packet.
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//! A convenience version of this method.
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//! A convenience version of this method.
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//! @param str The string to copy into the data packet before sending
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//! @param str The string to copy into the data packet before sending
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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void
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void
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RspPacket::packStr (const char *str)
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RspPacket::packStr(const char *str)
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{
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{
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int slen = strlen (str);
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int slen = strlen(str);
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// Construct the packet to send, so long as string is not too big, otherwise
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// Construct the packet to send, so long as string is not too big, otherwise
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// truncate. Add EOS at the end for convenient debug printout
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// truncate. Add EOS at the end for convenient debug printout
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if (slen >= bufSize)
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if (slen >= bufSize) {
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{
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cerr << "Warning: String \"" << str
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cerr << "Warning: String \"" << str
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<< "\" too large for RSP packet: truncated\n" << endl;
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<< "\" too large for RSP packet: truncated\n" << endl;
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slen = bufSize - 1;
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slen = bufSize - 1;
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}
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}
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strncpy (data, str, slen);
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strncpy(data, str, slen);
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data[slen] = 0;
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data[slen] = 0;
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len = slen;
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len = slen;
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} // packStr ()
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} // packStr ()
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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//! Get the data buffer size
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//! Get the data buffer size
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//! @return The data buffer size
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//! @return The data buffer size
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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int
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int RspPacket::getBufSize()
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RspPacket::getBufSize ()
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{
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{
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return bufSize;
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return bufSize;
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} // getBufSize ()
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} // getBufSize ()
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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//! Get the current number of chars in the data buffer
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//! Get the current number of chars in the data buffer
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//! @return The number of chars in the data buffer
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//! @return The number of chars in the data buffer
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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int
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int RspPacket::getLen()
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RspPacket::getLen ()
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{
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{
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return len;
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return len;
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} // getLen ()
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} // getLen ()
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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//! Set the number of chars in the data buffer
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//! Set the number of chars in the data buffer
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//! @param[in] _len The number of chars to be set
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//! @param[in] _len The number of chars to be set
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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void
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void RspPacket::setLen(int _len)
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RspPacket::setLen (int _len)
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{
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{
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len = _len;
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len = _len;
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} // setLen ()
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} // setLen ()
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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//! Output stream operator
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//! Output stream operator
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//! @param[out] s Stream to output to
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//! @param[out] s Stream to output to
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//! @param[in] p Packet to output
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//! @param[in] p Packet to output
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//-----------------------------------------------------------------------------
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//-----------------------------------------------------------------------------
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ostream &
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ostream & operator<<(ostream & s, RspPacket & p)
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operator<< (ostream &s,
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RspPacket &p)
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{
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{
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return s << "RSP packet: " << std::dec << std::setw (3) << p.getLen()
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return s << "RSP packet: " << std::dec << std::setw(3) << p.getLen()
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<< std::setw (0) << " chars, \"" << p.data << "\"";
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<< std::setw(0) << " chars, \"" << p.data << "\"";
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} // operator<< ()
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} // operator<< ()
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