245 lines
6.7 KiB
C
245 lines
6.7 KiB
C
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/*
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* Project 64 - A Nintendo 64 emulator.
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*
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* (c) Copyright 2001 zilmar (zilmar@emulation64.com) and
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* Jabo (jabo@emulation64.com).
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*
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* pj64 homepage: www.pj64.net
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*
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* Permission to use, copy, modify and distribute Project64 in both binary and
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* source form, for non-commercial purposes, is hereby granted without fee,
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* providing that this license information and copyright notice appear with
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* all copies and any derived work.
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event shall the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Project64 is freeware for PERSONAL USE only. Commercial users should
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* seek permission of the copyright holders first. Commercial use includes
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* charging money for Project64 or software derived from Project64.
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*
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* The copyright holders request that bug fixes and improvements to the code
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* should be forwarded to them so if they want them.
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*
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*/
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#ifndef _RECOMPILER_CPU__H_
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#define _RECOMPILER_CPU__H_
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#define MaxCodeBlocks 50000
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#define MaxOrigMem 65000
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#ifdef toremove
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#define NotMapped 0
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#define GPR_Mapped 1
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#define Temp_Mapped 2
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#define Stack_Mapped 3
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//Exit Block Methods
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#define Normal 0
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#define Normal_NoSysCheck 1
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#define DoCPU_Action 2
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#define COP1_Unuseable 3
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#define DoSysCall 4
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#define TLBReadMiss 5
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#define ExitResetRecompCode 6
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#define BranchTypeCop1 0
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#define BranchTypeRs 1
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#define BranchTypeRsRt 2
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#define STATE_KNOWN_VALUE 1
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//#define STATE_UNKNOW_VALUE
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#define STATE_X86_MAPPED 2
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//#define STATE_CONST
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#define STATE_SIGN 4
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//#define STATE_ZERO
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#define STATE_32BIT 8
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//#define STATE_64BIT
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#define STATE_UNKNOWN 0
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//STATE_MAPPED_64 = 3;
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//STATE_MAPPED_32_ZERO = 11
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//STATE_MAPPED_32_SIGN = 15
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#define STATE_MAPPED_64 (STATE_KNOWN_VALUE | STATE_X86_MAPPED)
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#define STATE_MAPPED_32_ZERO (STATE_KNOWN_VALUE | STATE_X86_MAPPED | STATE_32BIT)
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#define STATE_MAPPED_32_SIGN (STATE_KNOWN_VALUE | STATE_X86_MAPPED | STATE_32BIT | STATE_SIGN)
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//STATE_CONST_64 = 1
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//STATE_CONST_32 = 13
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#define STATE_CONST_64 (STATE_KNOWN_VALUE)
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#define STATE_CONST_32 (STATE_KNOWN_VALUE | STATE_32BIT | STATE_SIGN)
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#define IsKnown(Reg) ((MipsRegState(Reg) & STATE_KNOWN_VALUE) != 0)
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#define IsUnknown(Reg) (!IsKnown(Reg))
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#define IsMapped(Reg) (IsKnown(Reg) && (MipsRegState(Reg) & STATE_X86_MAPPED) != 0)
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#define IsConst(Reg) (IsKnown(Reg) && !IsMapped(Reg))
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#define IsSigned(Reg) (IsKnown(Reg) && (MipsRegState(Reg) & STATE_SIGN) != 0)
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#define IsUnsigned(Reg) (IsKnown(Reg) && !IsSigned(Reg))
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#define Is32Bit(Reg) (IsKnown(Reg) && (MipsRegState(Reg) & STATE_32BIT) != 0)
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#define Is64Bit(Reg) (IsKnown(Reg) && !Is32Bit(Reg))
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#define Is32BitMapped(Reg) (Is32Bit(Reg) && (MipsRegState(Reg) & STATE_X86_MAPPED) != 0)
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#define Is64BitMapped(Reg) (Is64Bit(Reg) && !Is32BitMapped(Reg))
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/*#define MipsRegState(Reg) Section->RegWorking.MIPS_RegState[Reg]
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#define MipsReg(Reg) Section->RegWorking.MIPS_RegVal[Reg].UDW
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#define MipsReg_S(Reg) Section->RegWorking.MIPS_RegVal[Reg].DW
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#define MipsRegLo(Reg) Section->RegWorking.MIPS_RegVal[Reg].UW[0]
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#define MipsRegLo_S(Reg) Section->RegWorking.MIPS_RegVal[Reg].W[0]
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#define MipsRegHi(Reg) Section->RegWorking.MIPS_RegVal[Reg].UW[1]
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#define MipsRegHi_S(Reg) Section->RegWorking.MIPS_RegVal[Reg].W[1]
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*/
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#define x86MapOrder(Reg) Section->RegWorking.x86reg_MapOrder[Reg]
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#define x86Protected(Reg) Section->RegWorking.x86reg_Protected[Reg]
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#define x86Mapped(Reg) Section->RegWorking.x86reg_MappedTo[Reg]
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#define BlockCycleCount Section->RegWorking.CycleCount
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#define BlockRandomModifier Section->RegWorking.RandomModifier
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#define StackTopPos Section->RegWorking.Stack_TopPos
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#define FpuMappedTo(Reg) Section->RegWorking.x86fpu_MappedTo[Reg]
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#define FpuState(Reg) Section->RegWorking.x86fpu_State[Reg]
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#define FpuRoundingModel(Reg) Section->RegWorking.x86fpu_RoundingModel[Reg]
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#define FpuBeenUsed Section->RegWorking.Fpu_Used
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#define CurrentRoundingModel Section->RegWorking.RoundingModel
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typedef struct {
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//r4k
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int MIPS_RegState[32];
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MIPS_DWORD MIPS_RegVal[32];
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DWORD x86reg_MappedTo[10];
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DWORD x86reg_MapOrder[10];
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BOOL x86reg_Protected[10];
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DWORD CycleCount;
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DWORD RandomModifier;
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//FPU
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DWORD Stack_TopPos;
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DWORD x86fpu_MappedTo[8];
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DWORD x86fpu_State[8];
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DWORD x86fpu_RoundingModel[8];
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BOOL Fpu_Used;
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DWORD RoundingModel;
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} REG_INFO;
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typedef struct {
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DWORD TargetPC;
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char * BranchLabel;
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BYTE * LinkLocation;
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BYTE * LinkLocation2;
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BOOL FallThrough;
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BOOL PermLoop;
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BOOL DoneDelaySlot;
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REG_INFO RegSet;
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} JUMP_INFO;
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typedef struct {
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/* Block Connection info */
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void ** ParentSection;
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void * ContinueSection;
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void * JumpSection;
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BYTE * CompiledLocation;
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DWORD SectionID;
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DWORD Test;
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DWORD Test2;
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BOOL InLoop;
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DWORD StartPC;
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DWORD CompilePC;
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/* Register Info */
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REG_INFO RegStart;
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REG_INFO RegWorking;
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/* Jump Info */
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JUMP_INFO Jump;
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JUMP_INFO Cont;
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} BLOCK_SECTION;
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typedef struct {
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BLOCK_SECTION * Parent;
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JUMP_INFO * JumpInfo;
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} BLOCK_PARENT;
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typedef struct {
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DWORD TargetPC;
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REG_INFO ExitRegSet;
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int reason;
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int NextInstruction;
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BYTE * JumpLoc; //32bit jump
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} EXIT_INFO;
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typedef struct {
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DWORD StartVAddr;
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BYTE * CompiledLocation;
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int NoOfSections;
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BLOCK_SECTION BlockInfo;
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EXIT_INFO ** ExitInfo;
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int ExitCount;
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} BLOCK_INFO;
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#endif
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typedef struct {
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void * CodeBlock;
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QWORD OriginalMemory;
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} TARGET_INFO;
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typedef struct {
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DWORD PAddr;
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DWORD VAddr;
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DWORD OriginalValue;
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void * CompiledLocation;
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} ORIGINAL_MEMMARKER;
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typedef struct {
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DWORD NoOfRDRamBlocks[2048];
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DWORD NoOfDMEMBlocks;
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DWORD NoOfIMEMBlocks;
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DWORD NoOfPifRomBlocks;
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} N64_BLOCKS;
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#ifdef __cplusplus
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//void CompileSystemCheck ( DWORD TargetPC, CRegInfo RegSet );
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//void FreeSection ( CBlockSection * Section, CBlockSection * Parent);
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void GenerateSectionLinkage ( CBlockSection * Section );
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extern "C" {
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#endif
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BYTE *CompileDelaySlot ( void );
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void FixRandomReg ( void );
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void StartRecompilerCPU ( void );
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void InitilizeInitialCompilerVariable ( void);
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extern DWORD TLBLoadAddress, TLBStoreAddress, TargetIndex;
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extern ORIGINAL_MEMMARKER * OrigMem;
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extern TARGET_INFO * TargetInfo;
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extern WORD FPU_RoundingMode;
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extern N64_BLOCKS N64_Blocks;
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#ifdef __cplusplus
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}
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#endif
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#define SetJump32(Loc,JumpLoc) *(DWORD *)(Loc)= (DWORD)(((DWORD)(JumpLoc)) - (((DWORD)(Loc)) + 4));
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#define SetJump8(Loc,JumpLoc) *(BYTE *)(Loc)= (BYTE )(((BYTE )(JumpLoc)) - (((BYTE )(Loc)) + 1));
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#endif
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