102 lines
5.2 KiB
C++
102 lines
5.2 KiB
C++
/****************************************************************************
|
|
* *
|
|
* Project64 - 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
|
|
#include <Project64-core/N64System/N64Types.h>
|
|
|
|
class CRegBase
|
|
{
|
|
public:
|
|
CRegBase();
|
|
|
|
//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_ZERO = (STATE_KNOWN_VALUE | STATE_32BIT), // = 9
|
|
STATE_CONST_32_SIGN = (STATE_KNOWN_VALUE | STATE_32BIT | STATE_SIGN), // = 13
|
|
STATE_CONST_64 = (STATE_KNOWN_VALUE), // = 1
|
|
};
|
|
|
|
enum FPU_ROUND
|
|
{
|
|
RoundUnknown = -1,
|
|
RoundDefault = 0,
|
|
RoundTruncate = 1,
|
|
RoundNearest = 2,
|
|
RoundDown = 3,
|
|
RoundUp = 4,
|
|
};
|
|
|
|
inline void SetMipsRegState(int32_t GetMipsReg, REG_STATE State) { m_MIPS_RegState[GetMipsReg] = State; }
|
|
inline REG_STATE GetMipsRegState(int32_t Reg) const { return m_MIPS_RegState[Reg]; }
|
|
|
|
inline bool IsKnown(int32_t Reg) const { return ((GetMipsRegState(Reg) & STATE_KNOWN_VALUE) != 0); }
|
|
inline bool IsUnknown(int32_t Reg) const { return ((GetMipsRegState(Reg) & STATE_KNOWN_VALUE) == 0); }
|
|
inline bool IsModified(int32_t Reg) const { return ((GetMipsRegState(Reg) & STATE_MODIFIED) != 0); }
|
|
|
|
inline bool IsMapped(int32_t Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_X86_MAPPED)) == (STATE_KNOWN_VALUE | STATE_X86_MAPPED)); }
|
|
inline bool IsConst(int32_t Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_X86_MAPPED)) == STATE_KNOWN_VALUE); }
|
|
|
|
inline bool IsSigned(int32_t Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_SIGN)) == (STATE_KNOWN_VALUE | STATE_SIGN)); }
|
|
inline bool IsUnsigned(int32_t Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_SIGN)) == STATE_KNOWN_VALUE); }
|
|
|
|
inline bool Is32Bit(int32_t Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_32BIT)) == (STATE_KNOWN_VALUE | STATE_32BIT)); }
|
|
inline bool Is64Bit(int32_t Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_32BIT)) == STATE_KNOWN_VALUE); }
|
|
|
|
inline bool Is32BitMapped(int32_t Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_32BIT | STATE_X86_MAPPED)) == (STATE_KNOWN_VALUE | STATE_32BIT | STATE_X86_MAPPED)); }
|
|
inline bool Is64BitMapped(int32_t Reg) const { return ((GetMipsRegState(Reg) & (STATE_KNOWN_VALUE | STATE_32BIT | STATE_X86_MAPPED)) == (STATE_KNOWN_VALUE | STATE_X86_MAPPED)); }
|
|
|
|
inline uint64_t GetMipsReg(int32_t Reg) const { return m_MIPS_RegVal[Reg].UDW; }
|
|
inline int64_t GetMipsReg_S(int32_t Reg) const { return m_MIPS_RegVal[Reg].DW; }
|
|
inline uint32_t GetMipsRegLo(int32_t Reg) const { return m_MIPS_RegVal[Reg].UW[0]; }
|
|
inline int32_t GetMipsRegLo_S(int32_t Reg) const { return m_MIPS_RegVal[Reg].W[0]; }
|
|
inline uint32_t GetMipsRegHi(int32_t Reg) const { return m_MIPS_RegVal[Reg].UW[1]; }
|
|
inline int32_t GetMipsRegHi_S(int32_t Reg) const { return m_MIPS_RegVal[Reg].W[1]; }
|
|
|
|
inline void SetMipsRegLo(int32_t Reg, uint32_t Value) { m_MIPS_RegVal[Reg].UW[0] = Value; }
|
|
inline void SetMipsRegHi(int32_t Reg, uint32_t Value) { m_MIPS_RegVal[Reg].UW[1] = Value; }
|
|
inline void SetMipsReg(int32_t Reg, uint64_t Value) { m_MIPS_RegVal[Reg].UDW = Value; }
|
|
inline void SetMipsReg_S(int32_t Reg, int64_t Value) { m_MIPS_RegVal[Reg].DW = Value; }
|
|
|
|
inline void SetBlockCycleCount(uint32_t CyleCount) { m_CycleCount = CyleCount; }
|
|
inline uint32_t GetBlockCycleCount() const { return m_CycleCount; }
|
|
|
|
inline void SetFpuBeenUsed(bool FpuUsed) { m_Fpu_Used = FpuUsed; }
|
|
inline bool GetFpuBeenUsed() const { return m_Fpu_Used; }
|
|
|
|
inline FPU_ROUND GetRoundingModel() const { return m_RoundingModel; }
|
|
inline void SetRoundingModel(FPU_ROUND RoundingModel) { m_RoundingModel = RoundingModel; }
|
|
|
|
CRegBase& operator=(const CRegBase&);
|
|
|
|
bool operator==(const CRegBase& right) const;
|
|
bool operator!=(const CRegBase& right) const;
|
|
|
|
protected:
|
|
const char * RoundingModelName(FPU_ROUND RoundType);
|
|
|
|
REG_STATE m_MIPS_RegState[32];
|
|
MIPS_DWORD m_MIPS_RegVal[32];
|
|
uint32_t m_CycleCount;
|
|
bool m_Fpu_Used;
|
|
FPU_ROUND m_RoundingModel;
|
|
};
|