dolphin/Source/Core/DSPCore/Src/DSPEmitter.h

// Copyright (C) 2003 Dolphin Project.

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License 2.0 for more details.

// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/

// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/

#ifndef _DSPEMITTER_H
#define _DSPEMITTER_H

#include "DSPCommon.h"
#include "x64Emitter.h"

#define COMPILED_CODE_SIZE sizeof(void *) * 0x200000

#define MAX_BLOCKS 0x10000

typedef void (*CompiledCode)();

class DSPEmitter : public Gen::XCodeBlock
{
	CompiledCode *blocks;
	u16 blockSize[0x10000];
	bool *endBlock;
	DISALLOW_COPY_AND_ASSIGN(DSPEmitter);

public:
	DSPEmitter();
	~DSPEmitter();

	const u8 *m_compiledCode;

	void WriteCallInterpreter(UDSPInstruction inst);
	void unknown_instruction(UDSPInstruction inst);
	void Default(UDSPInstruction _inst);
	void ClearIRAM();
	const u8 *Compile(int start_addr);

	void STACKALIGN RunBlock(int cycles);

	// Memory helper functions
	void increment_addr_reg(int reg);
	void decrement_addr_reg(int reg);
	void increase_addr_reg(int reg);
	void decrease_addr_reg(int reg);
	void ext_dmem_write(u32 src, u32 dest);
	u16 ext_dmem_read(u16 addr);
	void writeAxAcc(const UDSPInstruction opc);

	// Ext commands
	void l(const UDSPInstruction opc);
	void ln(const UDSPInstruction opc);
	void ls(const UDSPInstruction opc);
	void lsn(const UDSPInstruction opc);
	void lsm(const UDSPInstruction opc);
	void lsnm(const UDSPInstruction opc);
	void sl(const UDSPInstruction opc);
	void sln(const UDSPInstruction opc);
	void slm(const UDSPInstruction opc);
	void slnm(const UDSPInstruction opc);
	void s(const UDSPInstruction opc);
	void sn(const UDSPInstruction opc);
	void ld(const UDSPInstruction opc);
	void ldn(const UDSPInstruction opc);
	void ldm(const UDSPInstruction opc);
	void ldnm(const UDSPInstruction opc);
	void mv(const UDSPInstruction opc);
	void dr(const UDSPInstruction opc);
	void ir(const UDSPInstruction opc);
	void nr(const UDSPInstruction opc);
	void nop(const UDSPInstruction opc) {}
};									  


#endif // _DSPEMITTER_H