src/Sim/Pipeline/Scheduler/WakeUpEvent.h

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 #ifndef SIM_PIPELINE_SCHEDULER_WAKE_UP_EVENT_H
00033 #define SIM_PIPELINE_SCHEDULER_WAKE_UP_EVENT_H
00034 
00035 #include "Sim/Foundation/Event/EventBase.h"
00036 #include "Sim/Pipeline/Scheduler/Scheduler.h"
00037 #include "Sim/Dependency/Dependency.h"
00038 #include "Sim/Dependency/PhyReg/PhyReg.h"
00039 #include "Sim/Dependency/MemDependency/MemDependency.h"
00040 #include "Sim/Op/Op.h"
00041 #include "Sim/Dumper/Dumper.h"
00042 
00043 
00044 namespace Onikiri 
00045 {
00046 
00047     class OpWakeUpEvent : public EventBase< OpWakeUpEvent >
00048     {
00049     public:
00050         using EventBase< OpWakeUpEvent >::SetPriority;
00051     
00052         OpWakeUpEvent( Scheduler* scheduler, OpIterator producer ) :
00053             m_scheduler ( scheduler ),
00054             m_producer  ( producer )
00055         {
00056             // A 'Wakeup' priority must be higher than that of 'Select'. 
00057             SetPriority( RP_WAKEUP_EVENT );
00058             m_evaluated = false;
00059         }
00060 
00061         virtual void Evaluate()
00062         {
00063             m_evaluated = true;
00064 
00065             int index = m_scheduler->GetIndex();
00066             for( int i = 0; i < m_producer->GetDstRegNum(); ++i ){
00067                 if( m_producer->GetDstPhyReg(i)->GetReadiness( index ) ){
00068                     return; // This dependency is already set to true and consumers are woke up.
00069                 }
00070             }
00071 
00072             m_scheduler->EvaluateDependency( m_producer );
00073         }
00074 
00075         virtual void Update()
00076         {
00077             ASSERT( m_evaluated );
00078         };
00079 
00080     protected:
00081 
00082         Scheduler*  m_scheduler;
00083         OpIterator  m_producer;
00084         bool        m_evaluated;
00085     };
00086 
00087 }; // namespace Onikiri
00088 
00089 #endif // SIM_PIPELINE_SCHEDULER_WAKE_UP_EVENT_H
00090 

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