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_EXEC_UNIT_EXEC_UNIT_IF_H 00033 #define SIM_EXEC_UNIT_EXEC_UNIT_IF_H 00034 00035 #include "Sim/Op/OpArray/OpArray.h" 00036 00037 namespace Onikiri 00038 { 00039 class Scheduler; 00040 class ExecLatencyInfo; 00041 class ExecUnitReserver; 00042 class OpClass; 00043 00044 // Z(ALU)C^[tF[X 00045 class ExecUnitIF 00046 { 00047 public: 00048 ExecUnitIF() {} 00049 virtual ~ExecUnitIF() {} 00050 00051 00052 // タsCeV FinishEvent o^ 00053 virtual void Execute( OpIterator op ) = 0; 00054 00055 // TCN 00056 virtual void Begin() = 0; 00057 00058 // Called in Evaluate phase. 00059 virtual bool CanReserve( OpIterator op, int time ) = 0; 00060 00061 // Called in Evaluate phase. 00062 virtual void Reserve( OpIterator op, int time ) = 0; 00063 00064 // Called in Update phase. 00065 virtual void Update() = 0; 00066 00067 // Get a reserver when you need to manually reserve execution units 00068 // without CanReserve()/Reserve(). 00069 virtual ExecUnitReserver* GetReserver() = 0; 00070 00071 // ExecLatencyInfo 00072 virtual ExecLatencyInfo* GetExecLatencyInfo() = 0; 00073 00074 // OpClass CeV 00075 virtual int GetLatencyCount( const OpClass& opClass ) = 0; 00076 00077 // OpClass CfNXCeV 00078 virtual int GetLatency( const OpClass& opClass, int index ) = 0; 00079 00080 // Return a code of OpClass mapped to this unit. 00081 virtual int GetMappedCode( int index ) = 0; 00082 virtual int GetMappedCodeCount() = 0; 00083 }; 00084 00085 }; // namespace Onikiri 00086 00087 #endif // SIM_EXEC_UNIT_EXEC_UNIT_IF_H 00088