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/*
* Copyright (c) 2008 Princeton University
* Copyright (c) 2016 Georgia Institute of Technology
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Niket Agarwal
* Tushar Krishna
*/
#include "mem/ruby/network/garnet2.0/flit.hh"
// Constructor for the flit
flit::flit(int id, int vc, int vnet, RouteInfo route, int size,
MsgPtr msg_ptr, Cycles curTime)
{
m_size = size;
m_msg_ptr = msg_ptr;
m_enqueue_time = curTime;
m_time = curTime;
m_id = id;
m_vnet = vnet;
m_vc = vc;
m_route = route;
m_stage.first = I_;
m_stage.second = m_time;
if (size == 1) {
m_type = HEAD_TAIL_;
return;
}
if (id == 0)
m_type = HEAD_;
else if (id == (size - 1))
m_type = TAIL_;
else
m_type = BODY_;
}
// Flit can be printed out for debugging purposes
void
flit::print(std::ostream& out) const
{
out << "[flit:: ";
out << "Id=" << m_id << " ";
out << "Type=" << m_type << " ";
out << "Vnet=" << m_vnet << " ";
out << "VC=" << m_vc << " ";
out << "Src NI=" << m_route.src_ni << " ";
out << "Src Router=" << m_route.src_router << " ";
out << "Dest NI=" << m_route.dest_ni << " ";
out << "Dest Router=" << m_route.dest_router << " ";
out << "Enqueue Time=" << m_enqueue_time << " ";
out << "]";
}
bool
flit::functionalWrite(Packet *pkt)
{
Message *msg = m_msg_ptr.get();
return msg->functionalWrite(pkt);
}
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