diff options
Diffstat (limited to 'src/mem/ruby/network/garnet/fixed-pipeline/RoutingUnit_d.cc')
-rw-r--r-- | src/mem/ruby/network/garnet/fixed-pipeline/RoutingUnit_d.cc | 90 |
1 files changed, 0 insertions, 90 deletions
diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/RoutingUnit_d.cc b/src/mem/ruby/network/garnet/fixed-pipeline/RoutingUnit_d.cc deleted file mode 100644 index cd8f974f6..000000000 --- a/src/mem/ruby/network/garnet/fixed-pipeline/RoutingUnit_d.cc +++ /dev/null @@ -1,90 +0,0 @@ -/* - * Copyright (c) 2008 Princeton University - * 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 - */ - -#include "base/cast.hh" -#include "mem/ruby/network/garnet/fixed-pipeline/InputUnit_d.hh" -#include "mem/ruby/network/garnet/fixed-pipeline/Router_d.hh" -#include "mem/ruby/network/garnet/fixed-pipeline/RoutingUnit_d.hh" -#include "mem/ruby/slicc_interface/Message.hh" - -RoutingUnit_d::RoutingUnit_d(Router_d *router) -{ - m_router = router; - m_routing_table.clear(); - m_weight_table.clear(); -} - -void -RoutingUnit_d::addRoute(const NetDest& routing_table_entry) -{ - m_routing_table.push_back(routing_table_entry); -} - -void -RoutingUnit_d::addWeight(int link_weight) -{ - m_weight_table.push_back(link_weight); -} - -void -RoutingUnit_d::RC_stage(flit_d *t_flit, InputUnit_d *in_unit, int invc) -{ - int outport = routeCompute(t_flit); - in_unit->updateRoute(invc, outport, m_router->curCycle()); - t_flit->advance_stage(VA_, m_router->curCycle() + Cycles(1)); - m_router->vcarb_req(); -} - -int -RoutingUnit_d::routeCompute(flit_d *t_flit) -{ - MsgPtr msg_ptr = t_flit->get_msg_ptr(); - Message *net_msg_ptr = msg_ptr.get(); - NetDest msg_destination = net_msg_ptr->getDestination(); - - int output_link = -1; - int min_weight = INFINITE_; - - for (int link = 0; link < m_routing_table.size(); link++) { - if (msg_destination.intersectionIsNotEmpty(m_routing_table[link])) { - if (m_weight_table[link] >= min_weight) - continue; - output_link = link; - min_weight = m_weight_table[link]; - } - } - - if (output_link == -1) { - fatal("Fatal Error:: No Route exists from this Router."); - exit(0); - } - - return output_link; -} |