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Diffstat (limited to 'src/mem/ruby/network/garnet/flexible-pipeline/Router.hh')
-rw-r--r-- | src/mem/ruby/network/garnet/flexible-pipeline/Router.hh | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/src/mem/ruby/network/garnet/flexible-pipeline/Router.hh b/src/mem/ruby/network/garnet/flexible-pipeline/Router.hh deleted file mode 100644 index c225e8b71..000000000 --- a/src/mem/ruby/network/garnet/flexible-pipeline/Router.hh +++ /dev/null @@ -1,110 +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 - */ - -#ifndef __MEM_RUBY_NETWORK_GARNET_FLEXIBLE_PIPELINE_ROUTER_HH__ -#define __MEM_RUBY_NETWORK_GARNET_FLEXIBLE_PIPELINE_ROUTER_HH__ - -#include <iostream> -#include <vector> - -#include "mem/ruby/common/NetDest.hh" -#include "mem/ruby/network/BasicRouter.hh" -#include "mem/ruby/network/garnet/flexible-pipeline/FlexibleConsumer.hh" -#include "mem/ruby/network/garnet/flexible-pipeline/GarnetNetwork.hh" -#include "mem/ruby/network/garnet/flexible-pipeline/InVcState.hh" -#include "mem/ruby/network/garnet/flexible-pipeline/NetworkLink.hh" -#include "mem/ruby/network/garnet/flexible-pipeline/OutVcState.hh" -#include "mem/ruby/network/garnet/flexible-pipeline/flitBuffer.hh" -#include "mem/ruby/network/garnet/NetworkHeader.hh" -#include "params/GarnetRouter.hh" - -class VCarbiter; - -class Router : public BasicRouter, public FlexibleConsumer -{ - public: - typedef GarnetRouterParams Params; - Router(const Params *p); - - ~Router(); - - void addInPort(NetworkLink *in_link); - void addOutPort(NetworkLink *out_link, const NetDest& routing_table_entry, - int link_weight); - void wakeup(); - void request_vc(int in_vc, int in_port, NetDest destination, - Cycles request_time); - bool isBufferNotFull(int vc, int inport); - void grant_vc(int out_port, int vc, Cycles grant_time); - void release_vc(int out_port, int vc, Cycles release_time); - void vc_arbitrate(); - - void print(std::ostream& out) const; - - void init_net_ptr(GarnetNetwork* net_ptr) - { - m_net_ptr = net_ptr; - } - - bool functionalRead(Packet *); - uint32_t functionalWrite(Packet *); - - private: - int m_virtual_networks, m_num_vcs, m_vc_per_vnet; - GarnetNetwork *m_net_ptr; - std::vector<int> m_vc_round_robin; // For scheduling of out source queues - int m_round_robin_inport, m_round_robin_start; // for vc arbitration - std::vector<int> m_round_robin_invc; // For vc arbitration of each outport - - // These are essentially output buffers - std::vector<std::vector<flitBuffer *> > m_router_buffers; - - // These are source queues for the output link - std::vector<flitBuffer *> m_out_src_queue; - - std::vector<NetworkLink *> m_in_link; - std::vector<NetworkLink *> m_out_link; - std::vector<std::vector<InVcState *> > m_in_vc_state; - std::vector<std::vector<OutVcState *> > m_out_vc_state; - std::vector<NetDest> m_routing_table; - std::vector<int> m_link_weights; - VCarbiter *m_vc_arbiter; - - int getRoute(NetDest destination); - std::vector<int> get_valid_vcs(int invc); - void routeCompute(flit *m_flit, int inport); - void checkReschedule(); - void check_arbiter_reschedule(); - void scheduleOutputLinks(); - int get_vnet(int vc) const; - int get_next_round_robin_vc(int vc) const; -}; - -#endif // __MEM_RUBY_NETWORK_GARNET_FLEXIBLE_PIPELINE_ROUTER_HH__ |