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

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// 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 u32 (*CompiledCode)();
class DSPEmitter : public Gen::XCodeBlock
{
public:
DSPEmitter();
~DSPEmitter();
const u8 *m_compiledCode;
void EmitInstruction(UDSPInstruction inst);
void unknown_instruction(UDSPInstruction inst);
void Default(UDSPInstruction _inst);
void ClearIRAM();
void CompileDispatcher();
const u8 *Compile(int start_addr);
int STACKALIGN RunForCycles(int cycles);
// Register helpers
void setCompileSR(u16 bit);
void clrCompileSR(u16 bit);
void checkExceptions(u32 retval);
// 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);
void ext_dmem_read(u16 addr);
// Ext command helpers
void pushExtValueFromReg(u16 dreg, u16 sreg);
void popExtValueToReg();
void pushExtValueFromMem(u16 dreg, u16 sreg);
void zeroWriteBackLog(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) {}
// Commands
void dar(const UDSPInstruction opc);
void iar(const UDSPInstruction opc);
void subarn(const UDSPInstruction opc);
void addarn(const UDSPInstruction opc);
void sbclr(const UDSPInstruction opc);
void sbset(const UDSPInstruction opc);
void srbith(const UDSPInstruction opc);
private:
CompiledCode *blocks;
u16 *blockSize;
u16 compileSR;
// CALL this to start the dispatcher
u8 *enterDispatcher;
// JMP here when a block should be dispatches. make sure you're in a block
// or at the same stack level already.
u8 *dispatcher;
// The index of the last stored ext value (compile time).
int storeIndex;
// Counts down.
// int cycles;
DISALLOW_COPY_AND_ASSIGN(DSPEmitter);
void ToMask(Gen::X64Reg value_reg = Gen::EDI, Gen::X64Reg temp_reg = Gen::ESI);
void dsp_increment_one(Gen::X64Reg ar = Gen::EAX, Gen::X64Reg wr = Gen::EDX, Gen::X64Reg wr_pow = Gen::EDI, Gen::X64Reg temp_reg = Gen::ESI);
void dsp_decrement_one(Gen::X64Reg ar = Gen::EAX, Gen::X64Reg wr = Gen::EDX, Gen::X64Reg wr_pow = Gen::EDI, Gen::X64Reg temp_reg = Gen::ESI);
};
#endif // _DSPEMITTER_H