src/Sim/Pipeline/Scheduler/FinishEvent.cpp

説明を見る。
00001 // 
00002 // Copyright (c) 2005-2008 Kenichi Watanabe.
00003 // Copyright (c) 2005-2008 Yasuhiro Watari.
00004 // Copyright (c) 2005-2008 Hironori Ichibayashi.
00005 // Copyright (c) 2008-2009 Kazuo Horio.
00006 // Copyright (c) 2009-2013 Naruki Kurata.
00007 // Copyright (c) 2005-2013 Ryota Shioya.
00008 // Copyright (c) 2005-2013 Masahiro Goshima.
00009 // 
00010 // This software is provided 'as-is', without any express or implied
00011 // warranty. In no event will the authors be held liable for any damages
00012 // arising from the use of this software.
00013 // 
00014 // Permission is granted to anyone to use this software for any purpose,
00015 // including commercial applications, and to alter it and redistribute it
00016 // freely, subject to the following restrictions:
00017 // 
00018 // 1. The origin of this software must not be misrepresented; you must not
00019 // claim that you wrote the original software. If you use this software
00020 // in a product, an acknowledgment in the product documentation would be
00021 // appreciated but is not required.
00022 // 
00023 // 2. Altered source versions must be plainly marked as such, and must not be
00024 // misrepresented as being the original software.
00025 // 
00026 // 3. This notice may not be removed or altered from any source
00027 // distribution.
00028 // 
00029 // 
00030 
00031 
00032 #include <pch.h>
00033 
00034 #include "Sim/Pipeline/Scheduler/FinishEvent.h"
00035 
00036 #include "Utility/RuntimeError.h"
00037 #include "Sim/Dumper/Dumper.h"
00038 #include "Interface/Addr.h"
00039 
00040 #include "Sim/Op/Op.h"
00041 #include "Sim/Thread/Thread.h"
00042 #include "Sim/Core/Core.h"
00043 #include "Sim/InorderList/InorderList.h"
00044 #include "Sim/Memory/MemOrderManager/MemOrderManager.h"
00045 #include "Sim/Predictor/LatPred/LatPred.h"
00046 #include "Sim/Pipeline/Scheduler/Scheduler.h"
00047 #include "Sim/Pipeline/Fetcher/Fetcher.h"
00048 
00049 #include "Sim/Foundation/Hook/Hook.h"
00050 #include "Sim/Foundation/Hook/HookUtil.h"
00051 
00052 
00053 
00054 using namespace Onikiri;
00055 
00056 namespace Onikiri 
00057 {
00058     HookPoint<OpFinishEvent,OpFinishEvent::FinishHookParam> OpFinishEvent::s_finishHook;
00059 };
00060 
00061 
00062 OpFinishEvent::OpFinishEvent( OpIterator op ) :
00063     m_op( op )
00064 {
00065     SetPriority( RP_EXECUTION_FINISH );
00066 }
00067 
00068 void OpFinishEvent::Update()
00069 {
00070     OpIterator op = m_op;
00071     ASSERT( 
00072         op->GetStatus() == OpStatus::OS_EXECUTING,
00073         "Op:%s",
00074         op->ToString().c_str()
00075     );
00076 
00077     FinishHookParam param;
00078     param.flushed = false;
00079 
00080     HOOK_SECTION_OP_PARAM( s_finishHook, op, param )
00081     {
00082         Core* core = op->GetCore();
00083         Thread* thread = op->GetThread();
00084         Scheduler* scheduler = m_op->GetScheduler();
00085 
00086         //
00087         // Notify the finish of execution to each module.
00088         //
00089 
00090         // Write back results to physical registers and update status.
00091         op->ExecutionEnd(); 
00092 
00093         // Each 'Finished' method may flush an op itself, 
00094         // so need to check whether an op is alive or not.
00095 
00096         // Update a latency predictor.
00097         if( op.IsAlive() ){
00098             core->GetLatPred()->Finished( op );
00099         }
00100 
00101         // To a fetcher.
00102         // In Fetcher::Finished(), Check branch miss prediction and
00103         // recover if it is necessary.
00104         if( op.IsAlive() ){
00105             core->GetFetcher()->Finished( op );
00106         }
00107 
00108         // To a memory order manager.
00109         // In MemOrderManager::Finished(), check access order violation  
00110         // and recover if violation occurs. 
00111         if( op.IsAlive() ){
00112             thread->GetMemOrderManager()->Finished( op );
00113         }
00114 
00115         // To a scheduler.
00116         if( op.IsAlive() ){
00117             scheduler->Finished( op );
00118         }
00119 
00120         if( !op.IsAlive() ){
00121             param.flushed = true;
00122         }
00123 
00124         // Value prediction is not implemented yet.
00125         //if( ValuePredictionMiss(m_op) ) {
00126         //  return m_op->GetThread()->RecoverValPredMiss(m_op, DataPredType::VALUE);
00127         //}
00128     }
00129 
00130 }
00131 

Onikiri2に対してTue Jun 18 14:34:25 2013に生成されました。  doxygen 1.4.7