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