pcsx2/pcsx2/System.h

221 lines
8.0 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 "SysForwardDefs.h"
#include "common/SafeArray.h"
#include "common/Threading.h" // to use threading stuff, include the Threading namespace in your file.
#include "vtlb.h"
#include "Config.h"
typedef SafeArray<u8> VmStateBuffer;
class BaseVUmicroCPU;
class RecompiledCodeReserve;
// This is a table of default virtual map addresses for ps2vm components. These locations
// are provided and used to assist in debugging and possibly hacking; as it makes it possible
// for a programmer to know exactly where to look (consistently!) for the base address of
// the various virtual machine components. These addresses can be keyed directly into the
// debugger's disasm window to get disassembly of recompiled code, and they can be used to help
// identify recompiled code addresses in the callstack.
// All of these areas should be reserved as soon as possible during program startup, and its
// important that none of the areas overlap. In all but superVU's case, failure due to overlap
// or other conflict will result in the operating system picking a preferred address for the mapping.
namespace HostMemoryMap
{
static const u32 Size = 0x28000000;
// The actual addresses may not be equivalent to Base + Offset in the event that allocation at Base failed
// Each of these offsets has a debugger-accessible equivalent variable without the Offset suffix that will hold the actual address (not here because we don't want code using it)
// PS2 main memory, SPR, and ROMs
static const u32 EEmemOffset = 0x00000000;
// IOP main memory and ROMs
static const u32 IOPmemOffset = 0x04000000;
// VU0 and VU1 memory.
static const u32 VUmemOffset = 0x08000000;
// EE recompiler code cache area (64mb)
static const u32 EErecOffset = 0x10000000;
// IOP recompiler code cache area (16 or 32mb)
static const u32 IOPrecOffset = 0x14000000;
// newVif0 recompiler code cache area (16mb)
static const u32 VIF0recOffset = 0x16000000;
// newVif1 recompiler code cache area (32mb)
static const u32 VIF1recOffset = 0x18000000;
// microVU1 recompiler code cache area (32 or 64mb)
static const u32 mVU0recOffset = 0x1C000000;
// microVU0 recompiler code cache area (64mb)
static const u32 mVU1recOffset = 0x20000000;
// Bump allocator for any other small allocations
// size: Difference between it and HostMemoryMap::Size, so nothing should allocate higher than it!
static const u32 bumpAllocatorOffset = 0x24000000;
}
// --------------------------------------------------------------------------------------
// SysMainMemory
// --------------------------------------------------------------------------------------
// This class provides the main memory for the virtual machines.
class SysMainMemory
{
protected:
const VirtualMemoryManagerPtr m_mainMemory;
VirtualMemoryBumpAllocator m_bumpAllocator;
eeMemoryReserve m_ee;
iopMemoryReserve m_iop;
vuMemoryReserve m_vu;
public:
SysMainMemory();
virtual ~SysMainMemory();
const VirtualMemoryManagerPtr& MainMemory() { return m_mainMemory; }
VirtualMemoryBumpAllocator& BumpAllocator() { return m_bumpAllocator; }
virtual void ReserveAll();
virtual void CommitAll();
virtual void ResetAll();
virtual void DecommitAll();
virtual void ReleaseAll();
};
// --------------------------------------------------------------------------------------
// SysAllocVM
// --------------------------------------------------------------------------------------
class SysAllocVM
{
public:
SysAllocVM();
virtual ~SysAllocVM();
protected:
void CleanupMess() noexcept;
};
// --------------------------------------------------------------------------------------
// SysCpuProviderPack
// --------------------------------------------------------------------------------------
class SysCpuProviderPack
{
protected:
ScopedExcept m_RecExceptionEE;
ScopedExcept m_RecExceptionIOP;
public:
std::unique_ptr<CpuInitializerSet> CpuProviders;
SysCpuProviderPack();
virtual ~SysCpuProviderPack();
void ApplyConfig() const;
bool HadSomeFailures( const Pcsx2Config::RecompilerOptions& recOpts ) const;
bool IsRecAvailable_EE() const { return !m_RecExceptionEE; }
bool IsRecAvailable_IOP() const { return !m_RecExceptionIOP; }
BaseException* GetException_EE() const { return m_RecExceptionEE.get(); }
BaseException* GetException_IOP() const { return m_RecExceptionIOP.get(); }
bool IsRecAvailable_MicroVU0() const;
bool IsRecAvailable_MicroVU1() const;
BaseException* GetException_MicroVU0() const;
BaseException* GetException_MicroVU1() const;
protected:
void CleanupMess() noexcept;
};
// GetCpuProviders - this function is not implemented by PCSX2 core -- it must be
// implemented by the provisioning interface.
extern SysCpuProviderPack& GetCpuProviders();
extern void SysLogMachineCaps(); // Detects cpu type and fills cpuInfo structs.
extern void SysClearExecutionCache(); // clears recompiled execution caches!
extern void SysOutOfMemory_EmergencyResponse(uptr blocksize);
extern u8 *SysMmapEx(uptr base, u32 size, uptr bounds, const char *caller="Unnamed");
extern void vSyncDebugStuff( uint frame );
extern void NTFS_CompressFile( const wxString& file, bool compressStatus=true );
extern wxString SysGetBiosDiscID();
extern wxString SysGetDiscID();
extern SysMainMemory& GetVmMemory();
// --------------------------------------------------------------------------------------
// PCSX2_SEH - Defines existence of "built in" Structured Exception Handling support.
// --------------------------------------------------------------------------------------
// This should be available on Windows, via Microsoft or Intel compilers (I'm pretty sure Intel
// supports native SEH model). GNUC in Windows, or any compiler in a non-windows platform, will
// need to use setjmp/longjmp instead to exit recompiled code.
// In addition, we don't currently set up SEH properly on Windows x64 so disable it there too
//
//#define PCSX2_SEH 0 // use this to force disable SEH on win32, to test setjmp functionality.
#ifndef PCSX2_SEH
# if defined(_WIN32) && !defined(__GNUC__) && !defined(_WIN64)
# define PCSX2_SEH 1
# else
# define PCSX2_SEH 0
# endif
#endif
// special macro which disables inlining on functions that require their own function stackframe.
// This is due to how Win32 handles structured exception handling. Linux uses signals instead
// of SEH, and so these functions can be inlined.
#ifdef _WIN32
# define __unique_stackframe __noinline
#else
# define __unique_stackframe
#endif
//////////////////////////////////////////////////////////////////////////////////////////
// Different types of message boxes that the emulator can employ from the friendly confines
// of it's blissful unawareness of whatever GUI it runs under. :) All message boxes exhibit
// blocking behavior -- they prompt the user for action and only return after the user has
// responded to the prompt.
//
namespace Msgbox
{
extern bool Alert( const wxString& text, const wxString& caption=_("PCSX2 Message"), int icon=wxICON_EXCLAMATION );
extern bool OkCancel( const wxString& text, const wxString& caption=_("PCSX2 Message"), int icon=0 );
extern bool YesNo( const wxString& text, const wxString& caption=_("PCSX2 Message"), int icon=wxICON_QUESTION );
extern int Assertion( const wxString& text, const wxString& stacktrace );
}
#ifdef _WIN32
extern void CheckIsUserOnHighPerfPowerPlan();
#endif