mirror of https://github.com/PCSX2/pcsx2.git
332 lines
10 KiB
C++
332 lines
10 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
|
|
* Copyright (C) 2002-2010 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/>.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "VU.h"
|
|
#include "VUops.h"
|
|
#include "R5900.h"
|
|
|
|
static const uint VU0_MEMSIZE = 0x1000; // 4kb
|
|
static const uint VU0_PROGSIZE = 0x1000; // 4kb
|
|
static const uint VU1_MEMSIZE = 0x4000; // 16kb
|
|
static const uint VU1_PROGSIZE = 0x4000; // 16kb
|
|
|
|
static const uint VU0_MEMMASK = VU0_MEMSIZE-1;
|
|
static const uint VU0_PROGMASK = VU0_PROGSIZE-1;
|
|
static const uint VU1_MEMMASK = VU1_MEMSIZE-1;
|
|
static const uint VU1_PROGMASK = VU1_PROGSIZE-1;
|
|
|
|
#define vuRunCycles (512*12) // Cycles to run ExecuteBlockJIT() for (called from within recs)
|
|
#define vu0RunCycles (512*12) // Cycles to run vu0 for whenever ExecuteBlock() is called
|
|
#define vu1RunCycles (3000000) // mVU1 uses this for inf loop detection on dev builds
|
|
|
|
// --------------------------------------------------------------------------------------
|
|
// BaseCpuProvider
|
|
// --------------------------------------------------------------------------------------
|
|
//
|
|
// Design Note: This class is only partial C++ style. It still relies on Alloc and Shutdown
|
|
// calls for memory and resource management. This is because the underlying implementations
|
|
// of our CPU emulators don't have properly encapsulated objects yet -- if we allocate ram
|
|
// in a constructor, it won't get free'd if an exception occurs during object construction.
|
|
// Once we've resolved all the 'dangling pointers' and stuff in the recompilers, Alloc
|
|
// and Shutdown can be removed in favor of constructor/destructor syntax.
|
|
//
|
|
class BaseCpuProvider
|
|
{
|
|
protected:
|
|
// allocation counter for multiple calls to Reserve. Most implementations should utilize
|
|
// this variable for sake of robustness.
|
|
u32 m_Reserved;
|
|
|
|
public:
|
|
// this boolean indicates to some generic logging facilities if the VU's registers
|
|
// are valid for logging or not. (see DisVU1Micro.cpp, etc) [kinda hacky, might
|
|
// be removed in the future]
|
|
bool IsInterpreter;
|
|
|
|
public:
|
|
BaseCpuProvider()
|
|
{
|
|
m_Reserved = 0;
|
|
IsInterpreter = false;
|
|
}
|
|
|
|
virtual ~BaseCpuProvider() throw()
|
|
{
|
|
try {
|
|
if( m_Reserved != 0 )
|
|
Console.Warning( "Cleanup miscount detected on CPU provider. Count=%d", m_Reserved );
|
|
}
|
|
DESTRUCTOR_CATCHALL
|
|
}
|
|
|
|
virtual const char* GetShortName() const=0;
|
|
virtual wxString GetLongName() const=0;
|
|
|
|
// returns the number of bytes committed to the working caches for this CPU
|
|
// provider (typically this refers to recompiled code caches, but could also refer
|
|
// to other optional growable allocations).
|
|
virtual size_t GetCommittedCache() const
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
virtual void Reserve()=0;
|
|
virtual void Shutdown()=0;
|
|
virtual void Reset()=0;
|
|
virtual void Execute(u32 cycles)=0;
|
|
virtual void ExecuteBlock(bool startUp)=0;
|
|
|
|
virtual void Step()=0;
|
|
virtual void Clear(u32 Addr, u32 Size)=0;
|
|
|
|
// C++ Calling Conventions are unstable, and some compilers don't even allow us to take the
|
|
// address of C++ methods. We need to use a wrapper function to invoke the ExecuteBlock from
|
|
// recompiled code.
|
|
static void __fastcall ExecuteBlockJIT( BaseCpuProvider* cpu )
|
|
{
|
|
cpu->Execute(1024);
|
|
}
|
|
|
|
// Gets the current cache reserve allocated to this CPU (value returned in megabytes)
|
|
virtual uint GetCacheReserve() const=0;
|
|
|
|
// Specifies the maximum cache reserve amount for this CPU (value in megabytes).
|
|
// CPU providers are allowed to reset their reserves (recompiler resets, etc) if such is
|
|
// needed to conform to the new amount requested.
|
|
virtual void SetCacheReserve( uint reserveInMegs ) const=0;
|
|
|
|
};
|
|
|
|
// --------------------------------------------------------------------------------------
|
|
// BaseVUmicroCPU
|
|
// --------------------------------------------------------------------------------------
|
|
// Layer class for possible future implementation (currently is nothing more than a type-safe
|
|
// type define).
|
|
//
|
|
class BaseVUmicroCPU : public BaseCpuProvider {
|
|
public:
|
|
int m_Idx;
|
|
u32 m_lastEEcycles;
|
|
|
|
BaseVUmicroCPU() {
|
|
m_Idx = 0;
|
|
m_lastEEcycles = 0;
|
|
}
|
|
virtual ~BaseVUmicroCPU() throw() {}
|
|
|
|
// Called by the PS2 VM's event manager for every internal vertical sync (occurs at either
|
|
// 50hz (pal) or 59.94hz (NTSC).
|
|
//
|
|
// Exceptions:
|
|
// This method is not allowed to throw exceptions, since exceptions may not propagate
|
|
// safely from the context of recompiled code stackframes.
|
|
//
|
|
// Thread Affinity:
|
|
// Called from the EEcore thread. No locking is performed, so any necessary locks must
|
|
// be implemented by the CPU provider manually.
|
|
//
|
|
virtual void Vsync() throw() { }
|
|
|
|
virtual void Step() {
|
|
// Ideally this would fall back on interpretation for executing single instructions
|
|
// for all CPU types, but due to VU complexities and large discrepancies between
|
|
// clamping in recs and ints, it's not really worth bothering with yet.
|
|
}
|
|
|
|
// Execute VU for the number of VU cycles (recs might go over 0~30 cycles)
|
|
// virtual void Execute(u32 cycles)=0;
|
|
|
|
// Executes a Block based on static preset cycles OR
|
|
// Executes a Block based on EE delta time (see VUmicro.cpp)
|
|
virtual void ExecuteBlock(bool startUp=0);
|
|
|
|
static void __fastcall ExecuteBlockJIT(BaseVUmicroCPU* cpu);
|
|
|
|
// VU1 sometimes needs to break execution on XGkick Path1 transfers if
|
|
// there is another gif path 2/3 transfer already taking place.
|
|
// Use this method to resume execution of VU1.
|
|
virtual void ResumeXGkick() {}
|
|
};
|
|
|
|
|
|
// --------------------------------------------------------------------------------------
|
|
// InterpVU0 / InterpVU1
|
|
// --------------------------------------------------------------------------------------
|
|
class InterpVU0 : public BaseVUmicroCPU
|
|
{
|
|
public:
|
|
InterpVU0();
|
|
virtual ~InterpVU0() throw() { Shutdown(); }
|
|
|
|
const char* GetShortName() const { return "intVU0"; }
|
|
wxString GetLongName() const { return L"VU0 Interpreter"; }
|
|
|
|
void Reserve() { }
|
|
void Shutdown() throw() { }
|
|
void Reset() { }
|
|
|
|
void Step();
|
|
void Execute(u32 cycles);
|
|
void Clear(u32 addr, u32 size) {}
|
|
|
|
uint GetCacheReserve() const { return 0; }
|
|
void SetCacheReserve( uint reserveInMegs ) const {}
|
|
};
|
|
|
|
class InterpVU1 : public BaseVUmicroCPU
|
|
{
|
|
public:
|
|
InterpVU1();
|
|
virtual ~InterpVU1() throw() { Shutdown(); }
|
|
|
|
const char* GetShortName() const { return "intVU1"; }
|
|
wxString GetLongName() const { return L"VU1 Interpreter"; }
|
|
|
|
void Reserve() { }
|
|
void Shutdown() throw();
|
|
void Reset();
|
|
|
|
void Step();
|
|
void Execute(u32 cycles);
|
|
void Clear(u32 addr, u32 size) {}
|
|
void ResumeXGkick() {}
|
|
|
|
uint GetCacheReserve() const { return 0; }
|
|
void SetCacheReserve( uint reserveInMegs ) const {}
|
|
};
|
|
|
|
// --------------------------------------------------------------------------------------
|
|
// recMicroVU0 / recMicroVU1
|
|
// --------------------------------------------------------------------------------------
|
|
class recMicroVU0 : public BaseVUmicroCPU
|
|
{
|
|
public:
|
|
recMicroVU0();
|
|
virtual ~recMicroVU0() throw() { Shutdown(); }
|
|
|
|
const char* GetShortName() const { return "mVU0"; }
|
|
wxString GetLongName() const { return L"microVU0 Recompiler"; }
|
|
|
|
void Reserve();
|
|
void Shutdown() throw();
|
|
|
|
void Reset();
|
|
void Execute(u32 cycles);
|
|
void Clear(u32 addr, u32 size);
|
|
void Vsync() throw();
|
|
|
|
uint GetCacheReserve() const;
|
|
void SetCacheReserve( uint reserveInMegs ) const;
|
|
};
|
|
|
|
class recMicroVU1 : public BaseVUmicroCPU
|
|
{
|
|
public:
|
|
recMicroVU1();
|
|
virtual ~recMicroVU1() throw() { Shutdown(); }
|
|
|
|
const char* GetShortName() const { return "mVU1"; }
|
|
wxString GetLongName() const { return L"microVU1 Recompiler"; }
|
|
|
|
void Reserve();
|
|
void Shutdown() throw();
|
|
void Reset();
|
|
void Execute(u32 cycles);
|
|
void Clear(u32 addr, u32 size);
|
|
void Vsync() throw();
|
|
void ResumeXGkick();
|
|
|
|
uint GetCacheReserve() const;
|
|
void SetCacheReserve( uint reserveInMegs ) const;
|
|
};
|
|
|
|
// --------------------------------------------------------------------------------------
|
|
// recSuperVU0 / recSuperVU1
|
|
// --------------------------------------------------------------------------------------
|
|
|
|
class recSuperVU0 : public BaseVUmicroCPU
|
|
{
|
|
public:
|
|
recSuperVU0();
|
|
|
|
const char* GetShortName() const { return "sVU0"; }
|
|
wxString GetLongName() const { return L"SuperVU0 Recompiler"; }
|
|
|
|
void Reserve();
|
|
void Shutdown() throw();
|
|
void Reset();
|
|
void Execute(u32 cycles);
|
|
void Clear(u32 Addr, u32 Size);
|
|
|
|
uint GetCacheReserve() const;
|
|
void SetCacheReserve( uint reserveInMegs ) const;
|
|
};
|
|
|
|
class recSuperVU1 : public BaseVUmicroCPU
|
|
{
|
|
public:
|
|
recSuperVU1();
|
|
|
|
const char* GetShortName() const { return "sVU1"; }
|
|
wxString GetLongName() const { return L"SuperVU1 Recompiler"; }
|
|
|
|
void Reserve();
|
|
void Shutdown() throw();
|
|
void Reset();
|
|
void Execute(u32 cycles);
|
|
void Clear(u32 Addr, u32 Size);
|
|
void ResumeXGkick() { Console.Warning("ResumeXGkick() Not implemented!"); }
|
|
|
|
uint GetCacheReserve() const;
|
|
void SetCacheReserve( uint reserveInMegs ) const;
|
|
};
|
|
|
|
extern BaseVUmicroCPU* CpuVU0;
|
|
extern BaseVUmicroCPU* CpuVU1;
|
|
|
|
|
|
// VU0
|
|
extern void vu0ResetRegs();
|
|
extern void __fastcall vu0ExecMicro(u32 addr);
|
|
extern void vu0Exec(VURegs* VU);
|
|
extern void vu0Finish();
|
|
extern void iDumpVU0Registers();
|
|
|
|
// VU1
|
|
extern void vu1Finish();
|
|
extern void vu1ResetRegs();
|
|
extern void __fastcall vu1ExecMicro(u32 addr);
|
|
extern void vu1Exec(VURegs* VU);
|
|
extern void iDumpVU1Registers();
|
|
|
|
#ifdef VUM_LOG
|
|
|
|
#define IdebugUPPER(VU) \
|
|
VUM_LOG("%s", dis##VU##MicroUF(VU.code, VU.VI[REG_TPC].UL));
|
|
#define IdebugLOWER(VU) \
|
|
VUM_LOG("%s", dis##VU##MicroLF(VU.code, VU.VI[REG_TPC].UL));
|
|
#define _vuExecMicroDebug(VU) \
|
|
VUM_LOG("_vuExecMicro: %8.8x", VU.VI[REG_TPC].UL);
|
|
|
|
#else
|
|
|
|
#define IdebugUPPER(VU)
|
|
#define IdebugLOWER(VU)
|
|
#define _vuExecMicroDebug(VU)
|
|
|
|
#endif
|