pcsx2/pcsx2/x86/iR5900.h

290 lines
8.2 KiB
C++

/* PCSX2 - PS2 Emulator for PCs
* Copyright (C) 2002-2009 PCSX2 Dev Team
*
* PCSX2 is free software: you can redistribute it and/or modify it under the terms
* of the GNU Lesser General Public License as published by the Free Software Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* PCSX2 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 for more details.
*
* You should have received a copy of the GNU General Public License along with PCSX2.
* If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __IR5900_H__
#define __IR5900_H__
#include "x86emitter/x86emitter.h"
#include "x86emitter/sse_helpers.h"
#include "R5900.h"
#include "VU.h"
#include "iCore.h"
#define PC_GETBLOCK(x) PC_GETBLOCK_(x, recLUT)
extern u32 pc;
extern int branch;
extern uptr recLUT[];
extern u32 maxrecmem;
extern u32 pc; // recompiler pc (also used by the SuperVU! .. why? (air))
extern int branch; // set for branch (also used by the SuperVU! .. why? (air))
extern u32 target; // branch target
extern u32 s_nBlockCycles; // cycles of current block recompiling
//////////////////////////////////////////////////////////////////////////////////////////
//
#define REC_FUNC( f ) \
void rec##f( void ) \
{ \
MOV32ItoM( (uptr)&cpuRegs.code, (u32)cpuRegs.code ); \
MOV32ItoM( (uptr)&cpuRegs.pc, (u32)pc ); \
iFlushCall(FLUSH_EVERYTHING); \
CALLFunc( (uptr)Interp::f ); \
}
#define REC_FUNC_DEL( f, delreg ) \
void rec##f( void ) \
{ \
MOV32ItoM( (uptr)&cpuRegs.code, (u32)cpuRegs.code ); \
MOV32ItoM( (uptr)&cpuRegs.pc, (u32)pc ); \
iFlushCall(FLUSH_EVERYTHING); \
if( (delreg) > 0 ) _deleteEEreg(delreg, 0); \
CALLFunc( (uptr)Interp::f ); \
}
#define REC_SYS( f ) \
void rec##f( void ) \
{ \
MOV32ItoM( (uptr)&cpuRegs.code, (u32)cpuRegs.code ); \
MOV32ItoM( (uptr)&cpuRegs.pc, (u32)pc ); \
iFlushCall(FLUSH_EVERYTHING); \
CALLFunc( (uptr)Interp::f ); \
branch = 2; \
}
#define REC_SYS_DEL( f, delreg ) \
void rec##f( void ) \
{ \
MOV32ItoM( (uptr)&cpuRegs.code, (u32)cpuRegs.code ); \
MOV32ItoM( (uptr)&cpuRegs.pc, (u32)pc ); \
iFlushCall(FLUSH_EVERYTHING); \
if( (delreg) > 0 ) _deleteEEreg(delreg, 0); \
CALLFunc( (uptr)Interp::f ); \
branch = 2; \
}
// Used to clear recompiled code blocks during memory/dma write operations.
u32 recClearMem(u32 pc);
u32 REC_CLEARM( u32 mem );
// used when processing branches
void SaveBranchState();
void LoadBranchState();
void recompileNextInstruction(int delayslot);
void SetBranchReg( u32 reg );
void SetBranchImm( u32 imm );
void iFlushCall(int flushtype);
void recBranchCall( void (*func)() );
void recCall( void (*func)(), int delreg );
namespace R5900{
namespace Dynarec {
extern void recDoBranchImm( u32* jmpSkip, bool isLikely = false );
extern void recDoBranchImm_Likely( u32* jmpSkip );
} }
////////////////////////////////////////////////////////////////////
// Constant Propagation - From here to the end of the header!
#define GPR_IS_CONST1(reg) ((reg)<32 && (g_cpuHasConstReg&(1<<(reg))))
#define GPR_IS_CONST2(reg1, reg2) ((g_cpuHasConstReg&(1<<(reg1)))&&(g_cpuHasConstReg&(1<<(reg2))))
#define GPR_SET_CONST(reg) { \
if( (reg) < 32 ) { \
g_cpuHasConstReg |= (1<<(reg)); \
g_cpuFlushedConstReg &= ~(1<<(reg)); \
} \
}
#define GPR_DEL_CONST(reg) { \
if( (reg) < 32 ) g_cpuHasConstReg &= ~(1<<(reg)); \
}
extern void (*recBSC_co[64])();
PCSX2_ALIGNED16_EXTERN(GPR_reg64 g_cpuConstRegs[32]);
extern u32 g_cpuHasConstReg, g_cpuFlushedConstReg;
// gets a memory pointer to the constant reg
u32* _eeGetConstReg(int reg);
// finds where the GPR is stored and moves lower 32 bits to EAX
void _eeMoveGPRtoR(x86IntRegType to, int fromgpr);
void _eeMoveGPRtoM(u32 to, int fromgpr);
void _eeMoveGPRtoRm(x86IntRegType to, int fromgpr);
void _eeFlushAllUnused();
void _eeOnWriteReg(int reg, int signext);
// totally deletes from const, xmm, and mmx entries
// if flush is 1, also flushes to memory
// if 0, only flushes if not an xmm reg (used when overwriting lower 64bits of reg)
void _deleteEEreg(int reg, int flush);
// allocates memory on the instruction size and returns the pointer
u32* recGetImm64(u32 hi, u32 lo);
void _vuRegsCOP22(VURegs * VU, _VURegsNum *VUregsn);
//////////////////////////////////////
// Templates for code recompilation //
//////////////////////////////////////
typedef void (*R5900FNPTR)();
typedef void (*R5900FNPTR_INFO)(int info);
#define EERECOMPILE_CODE0(fn, xmminfo) \
void rec##fn(void) \
{ \
eeRecompileCode0(rec##fn##_const, rec##fn##_consts, rec##fn##_constt, rec##fn##_, xmminfo); \
}
#define EERECOMPILE_CODEX(codename, fn) \
void rec##fn(void) \
{ \
codename(rec##fn##_const, rec##fn##_); \
}
//
// MMX/XMM caching helpers
//
// rd = rs op rt
void eeRecompileCode0(R5900FNPTR constcode, R5900FNPTR_INFO constscode, R5900FNPTR_INFO consttcode, R5900FNPTR_INFO noconstcode, int xmminfo);
// rt = rs op imm16
void eeRecompileCode1(R5900FNPTR constcode, R5900FNPTR_INFO noconstcode);
// rd = rt op sa
void eeRecompileCode2(R5900FNPTR constcode, R5900FNPTR_INFO noconstcode);
// rt op rs (SPECIAL)
void eeRecompileCode3(R5900FNPTR constcode, R5900FNPTR_INFO multicode);
//
// non mmx/xmm version, slower
//
// rd = rs op rt
#define EERECOMPILE_CONSTCODE0(fn) \
void rec##fn(void) \
{ \
eeRecompileCodeConst0(rec##fn##_const, rec##fn##_consts, rec##fn##_constt, rec##fn##_); \
} \
// rt = rs op imm16
#define EERECOMPILE_CONSTCODE1(fn) \
void rec##fn(void) \
{ \
eeRecompileCodeConst1(rec##fn##_const, rec##fn##_); \
} \
// rd = rt op sa
#define EERECOMPILE_CONSTCODE2(fn) \
void rec##fn(void) \
{ \
eeRecompileCodeConst2(rec##fn##_const, rec##fn##_); \
} \
// rd = rt op rs
#define EERECOMPILE_CONSTCODESPECIAL(fn, mult) \
void rec##fn(void) \
{ \
eeRecompileCodeConstSPECIAL(rec##fn##_const, rec##fn##_, mult); \
} \
// rd = rs op rt
void eeRecompileCodeConst0(R5900FNPTR constcode, R5900FNPTR_INFO constscode, R5900FNPTR_INFO consttcode, R5900FNPTR_INFO noconstcode);
// rt = rs op imm16
void eeRecompileCodeConst1(R5900FNPTR constcode, R5900FNPTR_INFO noconstcode);
// rd = rt op sa
void eeRecompileCodeConst2(R5900FNPTR constcode, R5900FNPTR_INFO noconstcode);
// rd = rt MULT rs (SPECIAL)
void eeRecompileCodeConstSPECIAL(R5900FNPTR constcode, R5900FNPTR_INFO multicode, int MULT);
// XMM caching helpers
#define XMMINFO_READLO 0x01
#define XMMINFO_READHI 0x02
#define XMMINFO_WRITELO 0x04
#define XMMINFO_WRITEHI 0x08
#define XMMINFO_WRITED 0x10
#define XMMINFO_READD 0x20
#define XMMINFO_READS 0x40
#define XMMINFO_READT 0x80
#define XMMINFO_READD_LO 0x100 // if set and XMMINFO_READD is set, reads only low 64 bits of D
#define XMMINFO_READACC 0x200
#define XMMINFO_WRITEACC 0x400
#define FPURECOMPILE_CONSTCODE(fn, xmminfo) \
void rec##fn(void) \
{ \
if (CHECK_FPU_FULL) \
eeFPURecompileCode(DOUBLE::rec##fn##_xmm, R5900::Interpreter::OpcodeImpl::COP1::fn, xmminfo); \
else \
eeFPURecompileCode(rec##fn##_xmm, R5900::Interpreter::OpcodeImpl::COP1::fn, xmminfo); \
}
// rd = rs op rt (all regs need to be in xmm)
int eeRecompileCodeXMM(int xmminfo);
void eeFPURecompileCode(R5900FNPTR_INFO xmmcode, R5900FNPTR fpucode, int xmminfo);
// For propagation of BSC stuff.
// Code implementations in ir5900tables.c
class BSCPropagate
{
protected:
EEINST& prev;
EEINST& pinst;
public:
BSCPropagate( EEINST& previous, EEINST& pinstance );
void rprop();
protected:
void rpropSPECIAL();
void rpropREGIMM();
void rpropCP0();
void rpropCP1();
void rpropCP2();
void rpropMMI();
void rpropMMI0();
void rpropMMI1();
void rpropMMI2();
void rpropMMI3();
void rpropSetRead( int reg, int mask );
void rpropSetFPURead( int reg, int mask );
void rpropSetWrite( int reg, int mask );
void rpropSetFPUWrite( int reg, int mask );
template< int mask >
void rpropSetRead( int reg );
template< int live >
void rpropSetWrite0( int reg, int mask );
void rpropSetFast( int write1, int read1, int read2, int mask );
template< int low, int hi >
void rpropSetLOHI( int write1, int read1, int read2, int mask );
template< int live >
void rpropSetFPUWrite0( int reg, int mask );
};
#endif // __IR5900_H__