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Diffstat (limited to 'src/intersim2/.svn/pristine/97')
| -rw-r--r-- | src/intersim2/.svn/pristine/97/9709aa53e9b91e3103a5c627cfd4c83d5857c451.svn-base | 187 |
1 files changed, 0 insertions, 187 deletions
diff --git a/src/intersim2/.svn/pristine/97/9709aa53e9b91e3103a5c627cfd4c83d5857c451.svn-base b/src/intersim2/.svn/pristine/97/9709aa53e9b91e3103a5c627cfd4c83d5857c451.svn-base deleted file mode 100644 index e262f47..0000000 --- a/src/intersim2/.svn/pristine/97/9709aa53e9b91e3103a5c627cfd4c83d5857c451.svn-base +++ /dev/null @@ -1,187 +0,0 @@ -// $Id$ - -/* - Copyright (c) 2007-2012, Trustees of The Leland Stanford Junior 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. - - 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. -*/ - -#ifndef _EVENT_ROUTER_HPP_ -#define _EVENT_ROUTER_HPP_ - -#include <string> -#include <queue> -#include <vector> - -#include "module.hpp" -#include "router.hpp" -#include "buffer.hpp" -#include "vc.hpp" -#include "prio_arb.hpp" -#include "routefunc.hpp" -#include "outputset.hpp" -#include "pipefifo.hpp" - -class EventNextVCState : public Module { -public: - enum eNextVCState { idle, busy, tail_pending }; - - struct tWaiting { - int input; - int vc; - int id; - int pres; - bool watch; - }; - -private: - int _buf_size; - int _vcs; - - vector<int> _credits; - vector<int> _presence; - vector<int> _input; - vector<int> _inputVC; - - vector<list<tWaiting *> > _waiting; - - vector<eNextVCState> _state; - -public: - - EventNextVCState( const Configuration& config, - Module *parent, const string& name ); - - eNextVCState GetState( int vc ) const; - int GetPresence( int vc ) const; - int GetCredits( int vc ) const; - int GetInput( int vc ) const; - int GetInputVC( int vc ) const; - - bool IsWaiting( int vc ) const; - bool IsInputWaiting( int vc, int w_input, int w_vc ) const; - - void PushWaiting( int vc, tWaiting *w ); - void IncrWaiting( int vc, int w_input, int w_vc ); - tWaiting *PopWaiting( int vc ); - - void SetState( int vc, eNextVCState state ); - void SetCredits( int vc, int value ); - void SetPresence( int vc, int value ); - void SetInput( int vc, int input ); - void SetInputVC( int vc, int in_vc ); -}; - -class EventRouter : public Router { - int _vcs; - - int _vct; - - vector<Buffer *> _buf; - vector<vector<bool> > _active; - - tRoutingFunction _rf; - - vector<EventNextVCState *> _output_state; - - PipelineFIFO<Flit> *_crossbar_pipe; - PipelineFIFO<Credit> *_credit_pipe; - - vector<queue<Flit *> > _input_buffer; - vector<queue<Flit *> > _output_buffer; - - vector<queue<Credit *> > _in_cred_buffer; - vector<queue<Credit *> > _out_cred_buffer; - - struct tArrivalEvent { - int input; - int output; - int src_vc; - int dst_vc; - bool head; - bool tail; - - int id; // debug - bool watch; // debug - }; - - PipelineFIFO<tArrivalEvent> *_arrival_pipe; - vector<queue<tArrivalEvent *> > _arrival_queue; - vector<PriorityArbiter*> _arrival_arbiter; - - struct tTransportEvent { - int input; - int src_vc; - int dst_vc; - - int id; // debug - bool watch; // debug - }; - - vector<queue<tTransportEvent *> > _transport_queue; - vector<PriorityArbiter*> _transport_arbiter; - - vector<bool> _transport_free; - vector<int> _transport_match; - - void _ReceiveFlits( ); - void _ReceiveCredits( ); - - void _IncomingFlits( ); - void _ArrivalRequests( int input ); - void _ArrivalArb( int output ); - void _SendTransport( int input, int output, tArrivalEvent *aevt ); - void _ProcessWaiting( int output, int out_vc ); - void _TransportRequests( int output ); - void _TransportArb( int input ); - void _OutputQueuing( ); - - void _SendFlits( ); - void _SendCredits( ); - - virtual void _InternalStep( ); - -public: - EventRouter( const Configuration& config, - Module *parent, const string & name, int id, - int inputs, int outputs ); - virtual ~EventRouter( ); - - virtual void ReadInputs( ); - virtual void WriteOutputs( ); - - virtual int GetUsedCredit(int o) const {return 0;} - virtual int GetBufferOccupancy(int i) const {return 0;} - -#ifdef TRACK_BUFFERS - virtual int GetUsedCreditForClass(int output, int cl) const {return 0;} - virtual int GetBufferOccupancyForClass(int input, int cl) const {return 0;} -#endif - - virtual vector<int> UsedCredits() const { return vector<int>(); } - virtual vector<int> FreeCredits() const { return vector<int>(); } - virtual vector<int> MaxCredits() const { return vector<int>(); } - - void Display( ostream & os = cout ) const; -}; - -#endif |