flit.cc revision 11666
111666Stushar@ece.gatech.edu/* 211666Stushar@ece.gatech.edu * Copyright (c) 2008 Princeton University 311666Stushar@ece.gatech.edu * Copyright (c) 2016 Georgia Institute of Technology 411666Stushar@ece.gatech.edu * All rights reserved. 511666Stushar@ece.gatech.edu * 611666Stushar@ece.gatech.edu * Redistribution and use in source and binary forms, with or without 711666Stushar@ece.gatech.edu * modification, are permitted provided that the following conditions are 811666Stushar@ece.gatech.edu * met: redistributions of source code must retain the above copyright 911666Stushar@ece.gatech.edu * notice, this list of conditions and the following disclaimer; 1011666Stushar@ece.gatech.edu * redistributions in binary form must reproduce the above copyright 1111666Stushar@ece.gatech.edu * notice, this list of conditions and the following disclaimer in the 1211666Stushar@ece.gatech.edu * documentation and/or other materials provided with the distribution; 1311666Stushar@ece.gatech.edu * neither the name of the copyright holders nor the names of its 1411666Stushar@ece.gatech.edu * contributors may be used to endorse or promote products derived from 1511666Stushar@ece.gatech.edu * this software without specific prior written permission. 1611666Stushar@ece.gatech.edu * 1711666Stushar@ece.gatech.edu * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 1811666Stushar@ece.gatech.edu * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 1911666Stushar@ece.gatech.edu * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 2011666Stushar@ece.gatech.edu * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 2111666Stushar@ece.gatech.edu * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 2211666Stushar@ece.gatech.edu * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 2311666Stushar@ece.gatech.edu * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 2411666Stushar@ece.gatech.edu * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 2511666Stushar@ece.gatech.edu * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 2611666Stushar@ece.gatech.edu * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 2711666Stushar@ece.gatech.edu * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 2811666Stushar@ece.gatech.edu * 2911666Stushar@ece.gatech.edu * Authors: Niket Agarwal 3011666Stushar@ece.gatech.edu * Tushar Krishna 3111666Stushar@ece.gatech.edu */ 3211666Stushar@ece.gatech.edu 3311666Stushar@ece.gatech.edu 3411666Stushar@ece.gatech.edu#include "mem/ruby/network/garnet2.0/flit.hh" 3511666Stushar@ece.gatech.edu 3611666Stushar@ece.gatech.edu// Constructor for the flit 3711666Stushar@ece.gatech.eduflit::flit(int id, int vc, int vnet, RouteInfo route, int size, 3811666Stushar@ece.gatech.edu MsgPtr msg_ptr, Cycles curTime) 3911666Stushar@ece.gatech.edu{ 4011666Stushar@ece.gatech.edu m_size = size; 4111666Stushar@ece.gatech.edu m_msg_ptr = msg_ptr; 4211666Stushar@ece.gatech.edu m_enqueue_time = curTime; 4311666Stushar@ece.gatech.edu m_time = curTime; 4411666Stushar@ece.gatech.edu m_id = id; 4511666Stushar@ece.gatech.edu m_vnet = vnet; 4611666Stushar@ece.gatech.edu m_vc = vc; 4711666Stushar@ece.gatech.edu m_route = route; 4811666Stushar@ece.gatech.edu m_stage.first = I_; 4911666Stushar@ece.gatech.edu m_stage.second = m_time; 5011666Stushar@ece.gatech.edu 5111666Stushar@ece.gatech.edu if (size == 1) { 5211666Stushar@ece.gatech.edu m_type = HEAD_TAIL_; 5311666Stushar@ece.gatech.edu return; 5411666Stushar@ece.gatech.edu } 5511666Stushar@ece.gatech.edu if (id == 0) 5611666Stushar@ece.gatech.edu m_type = HEAD_; 5711666Stushar@ece.gatech.edu else if (id == (size - 1)) 5811666Stushar@ece.gatech.edu m_type = TAIL_; 5911666Stushar@ece.gatech.edu else 6011666Stushar@ece.gatech.edu m_type = BODY_; 6111666Stushar@ece.gatech.edu} 6211666Stushar@ece.gatech.edu 6311666Stushar@ece.gatech.edu// Flit can be printed out for debugging purposes 6411666Stushar@ece.gatech.eduvoid 6511666Stushar@ece.gatech.eduflit::print(std::ostream& out) const 6611666Stushar@ece.gatech.edu{ 6711666Stushar@ece.gatech.edu out << "[flit:: "; 6811666Stushar@ece.gatech.edu out << "Id=" << m_id << " "; 6911666Stushar@ece.gatech.edu out << "Type=" << m_type << " "; 7011666Stushar@ece.gatech.edu out << "Vnet=" << m_vnet << " "; 7111666Stushar@ece.gatech.edu out << "VC=" << m_vc << " "; 7211666Stushar@ece.gatech.edu out << "Src NI=" << m_route.src_ni << " "; 7311666Stushar@ece.gatech.edu out << "Src Router=" << m_route.src_router << " "; 7411666Stushar@ece.gatech.edu out << "Dest NI=" << m_route.dest_ni << " "; 7511666Stushar@ece.gatech.edu out << "Dest Router=" << m_route.dest_router << " "; 7611666Stushar@ece.gatech.edu out << "Enqueue Time=" << m_enqueue_time << " "; 7711666Stushar@ece.gatech.edu out << "]"; 7811666Stushar@ece.gatech.edu} 7911666Stushar@ece.gatech.edu 8011666Stushar@ece.gatech.edubool 8111666Stushar@ece.gatech.eduflit::functionalWrite(Packet *pkt) 8211666Stushar@ece.gatech.edu{ 8311666Stushar@ece.gatech.edu Message *msg = m_msg_ptr.get(); 8411666Stushar@ece.gatech.edu return msg->functionalWrite(pkt); 8511666Stushar@ece.gatech.edu} 86