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Diffstat (limited to 'src/mem/ruby/network/garnet2.0/flit.cc')
-rw-r--r-- | src/mem/ruby/network/garnet2.0/flit.cc | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/src/mem/ruby/network/garnet2.0/flit.cc b/src/mem/ruby/network/garnet2.0/flit.cc new file mode 100644 index 000000000..e507ea442 --- /dev/null +++ b/src/mem/ruby/network/garnet2.0/flit.cc @@ -0,0 +1,85 @@ +/* + * 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); +} |