project64/Source/Project64/N64 System/Recompiler/Recompiler Class.h

/****************************************************************************
*                                                                           *
* 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 CRecompiler :
	protected CDebugSettings,
	public CRecompilerSettings,
	public CFunctionMap,
	private CRecompMemory,
	private CSystemRegisters
{
public:

	enum REMOVE_REASON {
		Remove_InitialCode,
		Remove_Cache,
		Remove_ProtectedMem,
		Remove_ValidateFunc,
		Remove_TLB,
		Remove_DMA,
		Remove_StoreInstruc,
	};

	typedef void (*DelayFunc)();

public:
	CRecompiler(CRegisters & Registers, CProfiling & Profile, bool & EndEmulation);
	~CRecompiler();

	void Run();
	void Reset();
	void ResetRecompCode(bool bAllocate);

	bool GenerateX86Code (CCodeBlock & BlockInfo, CCodeSection * Section, DWORD Test );

	//Self modifying code methods
	void ClearRecompCode_Virt ( DWORD VirtualAddress, int length, REMOVE_REASON Reason );
	void ClearRecompCode_Phys ( DWORD PhysicalAddress, int length, REMOVE_REASON Reason );
	
	void ResetMemoryStackPos();

	DWORD& MemoryStackPos() { return m_MemoryStack; }

private:
	CRecompiler();                              // Disable default constructor
	CRecompiler(const CRecompiler&);            // Disable copy constructor
	CRecompiler& operator=(const CRecompiler&); // Disable assignment
	
	CCompiledFunc * CompilerCode();
	bool            Compiler4300iBlock  ( CCompiledFunc * info );

	// Compiling code
	bool CreateSectionLinkage ( CCodeSection * Section );
	bool DisplaySectionInformation (CCodeSection * Section, DWORD ID, DWORD Test);

	// Main loops for the different look up methods
	void RecompilerMain_VirtualTable();
	void RecompilerMain_VirtualTable_validate();
	void RecompilerMain_ChangeMemory();
	void RecompilerMain_Lookup();
	void RecompilerMain_Lookup_TLB();
	void RecompilerMain_Lookup_validate();
	void RecompilerMain_Lookup_validate_TLB();

	void RemoveFunction (CCompiledFunc * FunInfo, bool DelaySlot, REMOVE_REASON Reason );

	CCompiledFuncList  m_Functions;
	CRegisters       & m_Registers;
	CProfiling       & m_Profile; 
	bool             & m_EndEmulation;
	DWORD              m_MemoryStack;

	//Quick access to registers
	DWORD            & PROGRAM_COUNTER;
};