gem5/src/mem/ruby/network/garnet/fixed-pipeline/RoutingUnit_d.hh
2011-04-15 10:44:06 -07:00

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2.4 KiB
C++

/*
* 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
*/
#ifndef __MEM_RUBY_NETWORK_GARNET_FIXED_PIPELINE_ROUTING_UNIT_D_HH__
#define __MEM_RUBY_NETWORK_GARNET_FIXED_PIPELINE_ROUTING_UNIT_D_HH__
#include "mem/ruby/common/Consumer.hh"
#include "mem/ruby/common/NetDest.hh"
#include "mem/ruby/network/garnet/fixed-pipeline/flit_d.hh"
#include "mem/ruby/network/garnet/NetworkHeader.hh"
class InputUnit_d;
class Router_d;
class RoutingUnit_d
{
public:
RoutingUnit_d(Router_d *router);
void addRoute(const NetDest& routing_table_entry);
int routeCompute(flit_d *t_flit);
void addWeight(int link_weight);
void RC_stage(flit_d *t_flit, InputUnit_d *in_unit, int invc);
private:
Router_d *m_router;
std::vector<NetDest> m_routing_table;
std::vector<int> m_weight_table;
};
#endif // __MEM_RUBY_NETWORK_GARNET_FIXED_PIPELINE_ROUTING_UNIT_D_HH__