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Diffstat (limited to 'src/intersim2/.svn/pristine/0b')
| -rw-r--r-- | src/intersim2/.svn/pristine/0b/0b0c41499a28f0b7c2fccd583db339989d665677.svn-base | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/src/intersim2/.svn/pristine/0b/0b0c41499a28f0b7c2fccd583db339989d665677.svn-base b/src/intersim2/.svn/pristine/0b/0b0c41499a28f0b7c2fccd583db339989d665677.svn-base deleted file mode 100644 index 1f15857..0000000 --- a/src/intersim2/.svn/pristine/0b/0b0c41499a28f0b7c2fccd583db339989d665677.svn-base +++ /dev/null @@ -1,155 +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. -*/ - -/*router.cpp - * - *The base class of either iq router or event router - *contains a list of channels and other router configuration variables - * - *The older version of the simulator uses an array of flits and credit to - *simulate the channels. Newer version ueses flitchannel and credit channel - *which can better model channel delay - * - *The older version of the simulator also uses vc_router and chaos router - *which are replaced by iq rotuer and event router in the present form - */ - -#include "booksim.hpp" -#include <iostream> -#include <cassert> -#include "router.hpp" - -//////////////////Sub router types////////////////////// -#include "iq_router.hpp" -#include "event_router.hpp" -#include "chaos_router.hpp" -/////////////////////////////////////////////////////// - -int const Router::STALL_BUFFER_BUSY = -2; -int const Router::STALL_BUFFER_CONFLICT = -3; -int const Router::STALL_BUFFER_FULL = -4; -int const Router::STALL_BUFFER_RESERVED = -5; -int const Router::STALL_CROSSBAR_CONFLICT = -6; - -Router::Router( const Configuration& config, - Module *parent, const string & name, int id, - int inputs, int outputs ) : -TimedModule( parent, name ), _id( id ), _inputs( inputs ), _outputs( outputs ), - _partial_internal_cycles(0.0) -{ - _crossbar_delay = ( config.GetInt( "st_prepare_delay" ) + - config.GetInt( "st_final_delay" ) ); - _credit_delay = config.GetInt( "credit_delay" ); - _input_speedup = config.GetInt( "input_speedup" ); - _output_speedup = config.GetInt( "output_speedup" ); - _internal_speedup = config.GetFloat( "internal_speedup" ); - _classes = config.GetInt( "classes" ); - -#ifdef TRACK_FLOWS - _received_flits.resize(_classes, vector<int>(_inputs, 0)); - _stored_flits.resize(_classes); - _sent_flits.resize(_classes, vector<int>(_outputs, 0)); - _active_packets.resize(_classes); - _outstanding_credits.resize(_classes, vector<int>(_outputs, 0)); -#endif - -#ifdef TRACK_STALLS - _buffer_busy_stalls.resize(_classes, 0); - _buffer_conflict_stalls.resize(_classes, 0); - _buffer_full_stalls.resize(_classes, 0); - _buffer_reserved_stalls.resize(_classes, 0); - _crossbar_conflict_stalls.resize(_classes, 0); -#endif - -} - -void Router::AddInputChannel( FlitChannel *channel, CreditChannel *backchannel ) -{ - _input_channels.push_back( channel ); - _input_credits.push_back( backchannel ); - channel->SetSink( this, _input_channels.size() - 1 ) ; -} - -void Router::AddOutputChannel( FlitChannel *channel, CreditChannel *backchannel ) -{ - _output_channels.push_back( channel ); - _output_credits.push_back( backchannel ); - _channel_faults.push_back( false ); - channel->SetSource( this, _output_channels.size() - 1 ) ; -} - -void Router::Evaluate( ) -{ - _partial_internal_cycles += _internal_speedup; - while( _partial_internal_cycles >= 1.0 ) { - _InternalStep( ); - _partial_internal_cycles -= 1.0; - } -} - -void Router::OutChannelFault( int c, bool fault ) -{ - assert( ( c >= 0 ) && ( (size_t)c < _channel_faults.size( ) ) ); - - _channel_faults[c] = fault; -} - -bool Router::IsFaultyOutput( int c ) const -{ - assert( ( c >= 0 ) && ( (size_t)c < _channel_faults.size( ) ) ); - - return _channel_faults[c]; -} - -/*Router constructor*/ -Router *Router::NewRouter( const Configuration& config, - Module *parent, const string & name, int id, - int inputs, int outputs ) -{ - const string type = config.GetStr( "router" ); - Router *r = NULL; - if ( type == "iq" ) { - r = new IQRouter( config, parent, name, id, inputs, outputs ); - } else if ( type == "event" ) { - r = new EventRouter( config, parent, name, id, inputs, outputs ); - } else if ( type == "chaos" ) { - r = new ChaosRouter( config, parent, name, id, inputs, outputs ); - } else { - cerr << "Unknown router type: " << type << endl; - } - /*For additional router, add another else if statement*/ - /*Original booksim specifies the router using "flow_control" - *we now simply call these types. - */ - - return r; -} - - - - - |