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 __CONSERVATIVEMEMDEPPRED_H__ 00033 #define __CONSERVATIVEMEMDEPPRED_H__ 00034 00035 #include "Sim/Predictor/DepPred/MemDepPred/MemDepPredIF.h" 00036 #include "Sim/Dependency/MemDependency/MemDependency.h" 00037 #include "Sim/Foundation/Checkpoint/CheckpointedData.h" 00038 00039 namespace Onikiri 00040 { 00041 class CheckpointMaster; 00042 00043 // W\ 00044 // fetchsstore\ 00045 class ConservativeMemDepPred : 00046 public MemDepPredIF, 00047 public PhysicalResourceNode 00048 { 00049 private: 00050 Core* m_core; 00051 CheckpointMaster* m_checkpointMaster; 00052 CheckpointedData< MemDependencyPtr > m_latestStoreDst; 00053 CheckpointedData< MemDependencyPtr > m_latestMemDst; 00054 00055 SharedPtrObjectPool<MemDependency> m_memDepPool; 00056 00057 virtual void Deallocate(OpIterator op); 00058 00059 public: 00060 BEGIN_RESOURCE_MAP() 00061 RESOURCE_ENTRY( CheckpointMaster, "checkpointMaster", m_checkpointMaster ) 00062 RESOURCE_ENTRY( Core, "core", m_core ) 00063 END_RESOURCE_MAP() 00064 00065 ConservativeMemDepPred(); 00066 virtual ~ConservativeMemDepPred(); 00067 00068 virtual void Initialize(InitPhase phase); 00069 00070 virtual void Resolve(OpIterator op); 00071 virtual void Allocate(OpIterator op); 00072 virtual void Commit(OpIterator op); 00073 virtual void Flush(OpIterator op); 00074 00075 virtual void OrderConflicted(OpIterator producer, OpIterator consumer); 00076 00077 virtual bool CanAllocate(OpIterator* infoArray, int numOp); 00078 }; 00079 00080 }; // namespace Onikiri 00081 00082 #endif // __CONSERVATIVEMEMDEPPRED_H__