155 lines
5.6 KiB
C++
155 lines
5.6 KiB
C++
/****************************************************************************
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* *
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* Project 64 - A Nintendo 64 emulator. *
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* http://www.pj64-emu.com/ *
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* Copyright (C) 2012 Project64. All rights reserved. *
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* *
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* License: *
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* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
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* *
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****************************************************************************/
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#pragma once
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class CMipsMemoryVM :
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public CMipsMemory,
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public CTransVaddr,
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private CRecompilerOps,
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private R4300iOp,
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private CPifRam,
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private CFlashram,
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private CSram,
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private CDMA
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{
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public:
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CMipsMemoryVM ( CMipsMemory_CallBack * CallBack, bool SavesReadOnly );
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~CMipsMemoryVM ( void );
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static void ReserveMemory ( void );
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static void FreeReservedMemory ( void );
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BOOL Initialize ( void );
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void Reset ( bool EraseMemory );
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BYTE * Rdram ( void );
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DWORD RdramSize ( void );
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BYTE * Dmem ( void );
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BYTE * Imem ( void );
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BYTE * PifRam ( void );
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BOOL LB_VAddr ( DWORD VAddr, BYTE & Value );
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BOOL LH_VAddr ( DWORD VAddr, WORD & Value );
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BOOL LW_VAddr ( DWORD VAddr, DWORD & Value );
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BOOL LD_VAddr ( DWORD VAddr, QWORD & Value );
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BOOL SB_VAddr ( DWORD VAddr, BYTE Value );
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BOOL SH_VAddr ( DWORD VAddr, WORD Value );
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BOOL SW_VAddr ( DWORD VAddr, DWORD Value );
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BOOL SD_VAddr ( DWORD VAddr, QWORD Value );
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int MemoryFilter ( DWORD dwExptCode, void * lpExceptionPointer );
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//Protect the Memory from being written to
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void ProtectMemory ( DWORD StartVaddr, DWORD EndVaddr );
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void UnProtectMemory ( DWORD StartVaddr, DWORD EndVaddr );
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//Compilation Functions
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void ResetMemoryStack ( void );
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void ResetTLB ( void );
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void Compile_LB ( void );
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void Compile_LBU ( void );
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void Compile_LH ( void );
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void Compile_LHU ( void );
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void Compile_LW ( void );
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void Compile_LWC1 ( void );
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void Compile_LWU ( void );
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void Compile_LWL ( void );
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void Compile_LWR ( void );
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void Compile_LD ( void );
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void Compile_LDC1 ( void );
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void Compile_LDL ( void );
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void Compile_LDR ( void );
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void Compile_SB ( void );
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void Compile_SH ( void );
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void Compile_SW ( void );
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void Compile_SWL ( void );
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void Compile_SWR ( void );
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void Compile_SD ( void );
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void Compile_SDL ( void );
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void Compile_SDR ( void );
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void Compile_SWC1 ( void );
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void Compile_SDC1 ( void );
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void ResetMemoryStack ( CRegInfo & RegInfo );
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void Compile_LB ( CX86Ops::x86Reg Reg, DWORD Addr, BOOL SignExtend );
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void Compile_LH ( CX86Ops::x86Reg Reg, DWORD Addr, BOOL SignExtend );
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void Compile_LW ( CX86Ops::x86Reg Reg, DWORD Addr );
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void Compile_SB_Const ( BYTE Value, DWORD Addr );
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void Compile_SB_Register ( CX86Ops::x86Reg Reg, DWORD Addr );
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void Compile_SH_Const ( WORD Value, DWORD Addr );
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void Compile_SH_Register ( CX86Ops::x86Reg Reg, DWORD Addr );
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void Compile_SW_Const ( DWORD Value, DWORD Addr );
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void Compile_SW_Register ( CX86Ops::x86Reg Reg, DWORD Addr );
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//Functions for TLB notification
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void TLB_Mapped ( DWORD VAddr, DWORD Len, DWORD PAddr, bool bReadOnly );
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void TLB_Unmaped ( DWORD Vaddr, DWORD Len );
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// CTransVaddr interface
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bool TranslateVaddr ( DWORD VAddr, DWORD &PAddr) const;
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bool ValidVaddr ( DWORD VAddr ) const;
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bool VAddrToRealAddr ( DWORD VAddr, void * &RealAddress ) const;
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// Labels
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LPCTSTR LabelName ( DWORD Address ) const;
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private:
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CMipsMemoryVM(void); // Disable default constructor
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CMipsMemoryVM(const CMipsMemoryVM&); // Disable copy constructor
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CMipsMemoryVM& operator=(const CMipsMemoryVM&); // Disable assignment
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static void RdramChanged ( CMipsMemoryVM * _this );
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static void ChangeSpStatus ( void );
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static void ChangeMiIntrMask ( void );
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int LB_NonMemory ( DWORD PAddr, DWORD * Value, BOOL SignExtend );
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int LH_NonMemory ( DWORD PAddr, DWORD * Value, int SignExtend );
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int LW_NonMemory ( DWORD PAddr, DWORD * Value );
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int SB_NonMemory ( DWORD PAddr, BYTE Value );
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int SH_NonMemory ( DWORD PAddr, WORD Value );
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int SW_NonMemory ( DWORD PAddr, DWORD Value );
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void Compile_StoreInstructClean (x86Reg AddressReg, int Length );
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CMipsMemory_CallBack * const m_CBClass;
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//Memory Locations
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static BYTE * m_Reserve1, * m_Reserve2;
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BYTE * m_RDRAM, * m_DMEM, * m_IMEM;
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DWORD m_AllocatedRdramSize;
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//Rom Information
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bool m_RomMapped;
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BYTE * m_Rom;
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DWORD m_RomSize;
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bool m_RomWrittenTo;
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DWORD m_RomWroteValue;
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//Current Half line
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void UpdateHalfLine ( void );
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DWORD m_HalfLine;
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DWORD m_HalfLineCheck;
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DWORD m_TempValue;
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//Initilizing and reseting information about the memory system
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void FreeMemory ( void );
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mutable char m_strLabelName[100];
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//BIG look up table to quickly translate the tlb to real mem address
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DWORD * m_TLB_ReadMap;
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DWORD * m_TLB_WriteMap;
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};
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