/**************************************************************************** * * * 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 /* * 64-bit Windows exception recovery facilities will expect to interact with * the 64-bit registers of the Intel architecture (e.g., rax instead of eax). * * Attempting to read the 32-bit subsets seems to be erroneous and forbidden. * Refer to "MemoryFilter" in `Memory Virtual Mem.cpp`. */ #ifdef _WIN64 #define Eax Rax #define Ebx Rbx #define Ecx Rcx #define Edx Rdx #define Esp Rsp #define Ebp Rbp #define Esi Rsi #define Edi Rdi #define Eip Rip #endif /* * To do: Have address translation functions here? * `return` either the translated address or the mask to XOR by? * * This will help us gradually be able to port Project64 for big-endian CPUs. * Currently it is written to assume 32-bit little-endian, like so: * * 0xAABBCCDD EEFFGGHH --> 0xDDCCBBAA HHGGFFEE * GPR bits[63..0] b1b2b3b4 b5b6b7b8 */ class CMipsMemoryVM : public CMipsMemory, public CTransVaddr, private CRecompilerOps, private R4300iOp, private CPifRam, private CFlashram, private CSram, private CDMA { public: CMipsMemoryVM(CMipsMemory_CallBack * CallBack, bool SavesReadOnly); ~CMipsMemoryVM(); static void ReserveMemory(); static void FreeReservedMemory(); bool Initialize (); void Reset ( bool EraseMemory ); uint8_t * Rdram (); uint32_t RdramSize (); uint8_t * Dmem (); uint8_t * Imem (); uint8_t * PifRam (); bool LB_VAddr ( uint32_t VAddr, uint8_t & Value ); bool LH_VAddr ( uint32_t VAddr, uint16_t & Value ); bool LW_VAddr ( uint32_t VAddr, uint32_t & Value ); bool LD_VAddr ( uint32_t VAddr, uint64_t & Value ); bool LB_PAddr ( uint32_t PAddr, uint8_t & Value ); bool LH_PAddr ( uint32_t PAddr, uint16_t & Value ); bool LW_PAddr ( uint32_t PAddr, uint32_t & Value ); bool LD_PAddr ( uint32_t PAddr, uint64_t & Value ); bool SB_VAddr ( uint32_t VAddr, uint8_t Value ); bool SH_VAddr ( uint32_t VAddr, uint16_t Value ); bool SW_VAddr ( uint32_t VAddr, uint32_t Value ); bool SD_VAddr ( uint32_t VAddr, uint64_t Value ); bool SB_PAddr ( uint32_t PAddr, uint8_t Value ); bool SH_PAddr ( uint32_t PAddr, uint16_t Value ); bool SW_PAddr ( uint32_t PAddr, uint32_t Value ); bool SD_PAddr ( uint32_t PAddr, uint64_t Value ); int32_t MemoryFilter(uint32_t dwExptCode, void * lpExceptionPointer); void UpdateFieldSerration(uint32_t interlaced); //Protect the Memory from being written to void ProtectMemory(uint32_t StartVaddr, uint32_t EndVaddr); void UnProtectMemory(uint32_t StartVaddr, uint32_t EndVaddr); //Compilation Functions void ResetMemoryStack(); void Compile_LB(); void Compile_LBU(); void Compile_LH(); void Compile_LHU(); void Compile_LW(); void Compile_LL(); void Compile_LWC1(); void Compile_LWU(); void Compile_LWL(); void Compile_LWR(); void Compile_LD(); void Compile_LDC1(); void Compile_LDL(); void Compile_LDR(); void Compile_SB(); void Compile_SH(); void Compile_SW(); void Compile_SWL(); void Compile_SWR(); void Compile_SD(); void Compile_SDL(); void Compile_SDR(); void Compile_SC(); void Compile_SWC1(); void Compile_SDC1(); void ResetMemoryStack ( CRegInfo& RegInfo ); void Compile_LB ( CX86Ops::x86Reg Reg, uint32_t Addr, bool SignExtend ); void Compile_LH ( CX86Ops::x86Reg Reg, uint32_t Addr, bool SignExtend ); void Compile_LW ( CX86Ops::x86Reg Reg, uint32_t Addr ); void Compile_SB_Const ( uint8_t Value, uint32_t Addr ); void Compile_SB_Register ( CX86Ops::x86Reg Reg, uint32_t Addr ); void Compile_SH_Const ( uint16_t Value, uint32_t Addr ); void Compile_SH_Register ( CX86Ops::x86Reg Reg, uint32_t Addr ); void Compile_SW_Const ( uint32_t Value, uint32_t Addr ); void Compile_SW_Register ( CX86Ops::x86Reg Reg, uint32_t Addr ); //Functions for TLB notification void TLB_Mapped(uint32_t VAddr, uint32_t Len, uint32_t PAddr, bool bReadOnly); void TLB_Unmaped(uint32_t Vaddr, uint32_t Len); // CTransVaddr interface bool TranslateVaddr(uint32_t VAddr, uint32_t &PAddr) const; bool ValidVaddr(uint32_t VAddr) const; bool VAddrToRealAddr(uint32_t VAddr, void * &RealAddress) const; // Labels const char * LabelName(uint32_t Address) const; private: CMipsMemoryVM(); // Disable default constructor CMipsMemoryVM(const CMipsMemoryVM&); // Disable copy constructor CMipsMemoryVM& operator=(const CMipsMemoryVM&); // Disable assignment void Compile_LW ( bool ResultSigned, bool bRecordLLbit ); void Compile_SW ( bool bCheckLLbit ); static void RdramChanged ( CMipsMemoryVM * _this ); static void ChangeSpStatus (); static void ChangeMiIntrMask(); bool LB_NonMemory ( uint32_t PAddr, uint32_t * Value, bool SignExtend ); bool LH_NonMemory ( uint32_t PAddr, uint32_t * Value, bool SignExtend ); bool LW_NonMemory ( uint32_t PAddr, uint32_t * Value ); bool SB_NonMemory ( uint32_t PAddr, uint8_t Value ); bool SH_NonMemory ( uint32_t PAddr, uint16_t Value ); bool SW_NonMemory ( uint32_t PAddr, uint32_t Value ); void Compile_StoreInstructClean (x86Reg AddressReg, int32_t Length ); CMipsMemory_CallBack * const m_CBClass; //Memory Locations static uint8_t * m_Reserve1, * m_Reserve2; uint8_t * m_RDRAM, * m_DMEM, * m_IMEM; uint32_t m_AllocatedRdramSize; //Rom Information bool m_RomMapped; uint8_t * m_Rom; uint32_t m_RomSize; bool m_RomWrittenTo; uint32_t m_RomWroteValue; //Current Half line void UpdateHalfLine(); uint32_t m_HalfLine; uint32_t m_HalfLineCheck; uint32_t m_FieldSerration; uint32_t m_TempValue; //Initializing and resetting information about the memory system void FreeMemory(); mutable char m_strLabelName[100]; //BIG look up table to quickly translate the tlb to real mem address size_t * m_TLB_ReadMap; size_t * m_TLB_WriteMap; };