/**************************************************************************** * * * Project 64 - A Nintendo 64 emulator. * * http://www.pj64-emu.com/ * * Copyright (C) 2012 Project64. All rights reserved. * * * * License: * * GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html * * * ****************************************************************************/ #pragma once class CRegInfo : private CX86Ops, private CSystemRegisters { public: //enums enum REG_STATE { STATE_UNKNOWN = 0x00, STATE_KNOWN_VALUE = 0x01, STATE_X86_MAPPED = 0x02, STATE_SIGN = 0x04, STATE_32BIT = 0x08, STATE_MODIFIED = 0x10, STATE_MAPPED_64 = (STATE_KNOWN_VALUE | STATE_X86_MAPPED), // = 3 STATE_MAPPED_32_ZERO = (STATE_KNOWN_VALUE | STATE_X86_MAPPED | STATE_32BIT), // = 11 STATE_MAPPED_32_SIGN = (STATE_KNOWN_VALUE | STATE_X86_MAPPED | STATE_32BIT | STATE_SIGN), // = 15 STATE_CONST_32 = (STATE_KNOWN_VALUE | STATE_32BIT | STATE_SIGN), // = 13 STATE_CONST_64 = (STATE_KNOWN_VALUE), // = 1 }; enum REG_MAPPED { NotMapped = 0, GPR_Mapped = 1, Temp_Mapped = 2, Stack_Mapped = 3, }; enum FPU_STATE { FPU_Any = -1, FPU_Unknown = 0, FPU_Dword = 1, FPU_Qword = 2, FPU_Float = 3, FPU_Double = 4, }; enum FPU_ROUND { RoundUnknown = -1, RoundDefault = 0, RoundTruncate = 1, RoundNearest = 2, RoundDown = 3, RoundUp = 4, }; public: CRegInfo(); CRegInfo(const CRegInfo&); ~CRegInfo(); CRegInfo& operator=(const CRegInfo&); bool operator==(const CRegInfo& right) const; bool operator!=(const CRegInfo& right) const; static REG_STATE ConstantsType ( __int64 Value ); void FixRoundModel ( FPU_ROUND RoundMethod ); void ChangeFPURegFormat ( int Reg, FPU_STATE OldFormat, FPU_STATE NewFormat, FPU_ROUND RoundingModel ); void Load_FPR_ToTop ( int Reg, int RegToLoad, FPU_STATE Format); BOOL RegInStack ( int Reg, FPU_STATE Format ); void UnMap_AllFPRs ( void ); void UnMap_FPR ( int Reg, int WriteBackValue ); x86FpuValues StackPosition ( int Reg ); x86Reg FreeX86Reg ( void ); x86Reg Free8BitX86Reg ( void ); void Map_GPR_32bit ( int MipsReg, bool SignValue, int MipsRegToLoad ); void Map_GPR_64bit ( int MipsReg, int MipsRegToLoad ); x86Reg Get_MemoryStack ( void ) const; x86Reg Map_MemoryStack ( x86Reg Reg, bool bMapRegister, bool LoadValue = true ); x86Reg Map_TempReg ( x86Reg Reg, int MipsReg, BOOL LoadHiWord ); void ProtectGPR ( DWORD Reg ); void UnProtectGPR ( DWORD Reg ); void ResetX86Protection ( void ); x86Reg UnMap_TempReg ( void ); void UnMap_GPR ( DWORD Reg, bool WriteBackValue ); bool UnMap_X86reg ( x86Reg Reg ); void WriteBackRegisters ( void ); inline bool IsKnown(int Reg) const { return ((GetMipsRegState(Reg) & STATE_KNOWN_VALUE) != 0); } inline bool IsUnknown(int Reg) const { return ((GetMipsRegState(Reg) & STATE_KNOWN_VALUE) == 0); } inline bool IsModified(int Reg) const { return ((GetMipsRegState(Reg) & STATE_MODIFIED) != 0); } inline bool IsMapped(int Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_X86_MAPPED)) == (STATE_KNOWN_VALUE | STATE_X86_MAPPED)); } inline bool IsConst(int Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_X86_MAPPED)) == STATE_KNOWN_VALUE); } inline bool IsSigned(int Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_SIGN)) == (STATE_KNOWN_VALUE | STATE_SIGN)); } inline bool IsUnsigned(int Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_SIGN)) == STATE_KNOWN_VALUE); } inline bool Is32Bit(int Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_32BIT)) == (STATE_KNOWN_VALUE | STATE_32BIT)); } inline bool Is64Bit(int Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_32BIT)) == STATE_KNOWN_VALUE); } inline bool Is32BitMapped(int Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_32BIT | STATE_X86_MAPPED)) == (STATE_KNOWN_VALUE | STATE_32BIT | STATE_X86_MAPPED)); } inline bool Is64BitMapped(int Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_32BIT | STATE_X86_MAPPED)) == (STATE_KNOWN_VALUE | STATE_X86_MAPPED)); } inline REG_STATE GetMipsRegState ( int Reg ) const { return m_MIPS_RegState[Reg]; } inline unsigned __int64 GetMipsReg ( int Reg ) const { return m_MIPS_RegVal[Reg].UDW; } inline __int64 GetMipsReg_S ( int Reg ) const { return m_MIPS_RegVal[Reg].DW; } inline DWORD GetMipsRegLo ( int Reg ) const { return m_MIPS_RegVal[Reg].UW[0]; } inline long GetMipsRegLo_S ( int Reg ) const { return m_MIPS_RegVal[Reg].W[0]; } inline DWORD GetMipsRegHi ( int Reg ) const { return m_MIPS_RegVal[Reg].UW[1]; } inline long GetMipsRegHi_S ( int Reg ) const { return m_MIPS_RegVal[Reg].W[1]; } inline CX86Ops::x86Reg GetMipsRegMapLo ( int Reg ) const { return m_RegMapLo[Reg]; } inline CX86Ops::x86Reg GetMipsRegMapHi ( int Reg ) const { return m_RegMapHi[Reg]; } inline DWORD GetX86MapOrder ( x86Reg Reg ) const { return m_x86reg_MapOrder[Reg]; } inline bool GetX86Protected ( x86Reg Reg ) const { return m_x86reg_Protected[Reg]; } inline REG_MAPPED GetX86Mapped ( x86Reg Reg ) const { return m_x86reg_MappedTo[Reg]; } inline DWORD GetBlockCycleCount ( void ) const { return m_CycleCount; } inline void SetMipsReg ( int Reg, unsigned __int64 Value ) { m_MIPS_RegVal[Reg].UDW = Value; } inline void SetMipsReg_S ( int Reg, __int64 Value) { m_MIPS_RegVal[Reg].DW = Value; } inline void SetMipsRegLo ( int Reg, DWORD Value ) { m_MIPS_RegVal[Reg].UW[0] = Value; } inline void SetMipsRegHi ( int Reg, DWORD Value ) { m_MIPS_RegVal[Reg].UW[1] = Value; } inline void SetMipsRegMapLo ( int GetMipsReg, x86Reg Reg ) { m_RegMapLo[GetMipsReg] = Reg; } inline void SetMipsRegMapHi ( int GetMipsReg, x86Reg Reg ) { m_RegMapHi[GetMipsReg] = Reg; } inline void SetMipsRegState ( int GetMipsReg, REG_STATE State ) { m_MIPS_RegState[GetMipsReg] = State; } inline void SetX86MapOrder ( x86Reg Reg, DWORD Order ) { m_x86reg_MapOrder[Reg] = Order; } inline void SetX86Protected ( x86Reg Reg, bool Protected ) { m_x86reg_Protected[Reg] = Protected; } inline void SetX86Mapped ( x86Reg Reg, REG_MAPPED Mapping ) { m_x86reg_MappedTo[Reg] = Mapping; } inline void SetBlockCycleCount ( DWORD CyleCount ) { m_CycleCount = CyleCount; } inline int & StackTopPos ( void ) { return m_Stack_TopPos; } inline int & FpuMappedTo( int Reg) { return x86fpu_MappedTo[Reg]; } inline FPU_STATE & FpuState(int Reg) { return x86fpu_State[Reg]; } inline FPU_ROUND & FpuRoundingModel(int Reg) { return x86fpu_RoundingModel[Reg]; } inline bool & FpuBeenUsed (void ) { return m_Fpu_Used; } inline FPU_ROUND GetRoundingModel ( void ) const { return m_RoundingModel; } inline void SetRoundingModel ( FPU_ROUND RoundingModel ) { m_RoundingModel = RoundingModel; } private: const char * RoundingModelName ( FPU_ROUND RoundType ); x86Reg UnMap_8BitTempReg ( void ); //r4k REG_STATE m_MIPS_RegState[32]; MIPS_DWORD m_MIPS_RegVal[32]; x86Reg m_RegMapHi[32]; x86Reg m_RegMapLo[32]; REG_MAPPED m_x86reg_MappedTo[10]; DWORD m_x86reg_MapOrder[10]; bool m_x86reg_Protected[10]; DWORD m_CycleCount; //FPU int m_Stack_TopPos; int x86fpu_MappedTo[8]; FPU_STATE x86fpu_State[8]; BOOL x86fpu_StateChanged[8]; FPU_ROUND x86fpu_RoundingModel[8]; bool m_Fpu_Used; FPU_ROUND m_RoundingModel; static unsigned int m_fpuControl; };